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Intracellular Sensors——Nod-like Receptors
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NOD-like receptors are functionally diverse intracellular sensors with heterogeneous signaling pathways. With the exception of NLRP10, which lacks an Leucine-rich repeats (LRR) domain, all the containing receptors (NLR) families share a common nucleotide-binding and oligomerization (NACHT) and LRR domain organization.

  • NLRP12
  • cell death
  • inflammasome
  • IFN-I
  • caspase 1
  • NF-κB
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Revisions: 4 times (View History)
Update Time: 03 Nov 2021

1. Introduction

Pathogen recognition, an important initiator of host defense in the early stages of infection and subsequent generation of adaptive immune responses [1][2], is mediated by a vast repertoire of germline-encoded receptors termed pattern recognition receptors (PRR). These receptors distinguish self from non-self-molecules, i.e., pathogen-associated molecular patterns (PAMPs) [3], such as lipopolysaccharides (LPS), peptidoglycan (PGN), Lipoteichoic acid (LTA), flagellin, microbial nucleic acids, Leishmania Lipophosphoglycan and P. falciparum glycosylphosphatidylinositol (GPI) [4]. The danger/damage-associated molecular patterns (DAMPs), such as extracellular ATP, High mobility group box 1 (HMGB1), parasite hemozoin and uric acid, are recognizable by PRRs and are able to induce inflammatory signaling cascades [5]. Since the earliest report of membrane-bound Toll-like receptors (TLRs) by Jules Hoffman et al. [6] and Charles Janeway Jr [7] in Drosophila melanogaster , as well as the demonstration of canonical toll-like receptors in Cnidarians (Hydra) in recent decades [8], understanding of the immune system and its signal transduction have become more comprehensive. Currently, there are four major classes of PRRs: Toll-like receptors (TLRs), the Nucleotide-binding oligomerization domain (NOD)-Leucine-rich repeats (LRR)-containing receptors (NLR), the retinoic acid-inducible gene 1 (RIG-I)-like receptors (RLR; RIG-I-like helicases—RLH) and the C-type lectin receptors (CLRs). TLRs are considered to be critical in host defense, while non-TLRs are also able to recognize pathogens, to cooperate and regulate the TLRs mediated-signaling cascades that orchestrate the host immune response. Among those non-TLRs, we particularly focus on the NLR family, a series of cytoplasmic sensors with the evolutionarily conserved property, whose roles have rapidly emerged as central regulators of inflammation and immunity associated with relevant human diseases ( Table 1 ). Therefore, the regulation of their activities has become therapeutic targets in most non-infectious and pathogenically-induced inflammatory diseases [9].

Table 1. Involvement of the NLRs family in chronic inflammatory diseases.
Inflammatory Diseases Affected Organs Dysregulated NLRs Family References
Thyroiditis Thyroid gland Over-expression and activation of NLRC4, NLRP1, AIM2 and NLRP3 inflammasome [10][11][12]
Type 1 Diabetes Pancreas Over-expression NLRP1, NOD1/2, CIITA and NLRP3 [11][13][14]
Inflammatory bowel diseases (IBD: Ulcerative colitis and Crohn’s disease) Gastrointestinal NOD1, NOD2, NLRP3 and NLRP1 [11][15][16][17][18]
Celiac diseases Small intestine Enhanced expression of NLRP3 and CIITA, NLRP6 [11][14][19]
Autoimmune hepatitis Liver Hyperactivation of NLRP3 and deficiency of NLRX1 [2][11][20][21]
Arthritis Joints Excessive expression of NLRP3, NLRP2, CIITA, NOD2, NLRC5 and NLRP12 (beneficial), and NLRP9 and NLRP11 [10][11][22][23][24][25]
Systemic Lupus Erythematous (SLE) Multiple organs such as Kidney, Lung and CNS Over-expression of NOD2, NLRP3, SNPs in CIITA, NLRP1 and NLRX1 [11][26][27][28][29]
Vitiligo Skin Increased expression/activation of NLRP1 and NLRP3 [11][29][30][31]
Psoriasis Epidermal layer (from the limbs to eyelids) Enhanced expression of NOD2, PYCARD, CARD6, CARD14, NLRP3, NLRP1 and IFI16 [32][33][34][35]
Multiple Sclerosis CNS: brain, spinal cord and optic nerves. Over-activation of NOD1, NOD2 and NLRP1. Mutation in CIITA, NLRP3 and regulatory role of NLRP12, NLRC3 and NLRX1 [36][37][38][39]

Several homologous NLR genes have been discovered in both the animal and plant kingdoms that demonstrated the plant disease-resistant genes (R gene) encoding nucleotide-binding leucine-rich repeat (NB-LRR) proteins confer the dominant resistance against diverse pathogens, thereby suggesting the conserved biological function of NLR proteins in the host defense [9]. There are approximately 22 and 34 NLR family members in humans and mice, respectively [40][41][42], and lack of specific amino acid sequence in their transmembrane domain identified them as exclusive cytosolic sensors [43]. Members of this family share common C-terminal leucine-rich repeat (LRR) domains, a central NOD (nucleotide-binding and oligomerization (NACHT) domain) for ligand recognition and a variable N-terminal effector domain, including caspase recruitment domain (CARD) or pyrin domain (PYD), or the baculoviral inhibitor of apoptosis protein repeat (BIR) domain. These receptors are chiefly expressed by immune cell lineages, such as (macrophages, neutrophils, lymphocytes and dendritic cells), as well as non-hematopoietic cells [44]. A myriad of functions have been associated with them beyond the detection of microbial components; they recognize mitochondrial DNA and ATP [45], and NLRs regulate TLRs and NOD-derived signaling cascades with the characteristic of adjuvanticity in bacteria and parasitic infections [46][47]; they are also involved in tissue homeostasis and embryonic development [48]. Similarly, NLR proteins have gained much attention in various chronic inflammatory illnesses ( Table 1 ), autophagy [49] and carcinogenesis [50].

Recently, studies have underscored the impact of NLRs in microbial and parasitic infections. NOD1 and NOD2 play significant roles in the recognition of the bacterial peptidoglycan and provide necessary host defense against Trypanosoma cruzi [51] and Plasmodium falciparum [52]. Moreover, several species of microbes and parasites have been shown to induce the production of proinflammatory cytokines via NLRP3 and NLRC4 assemblage. The recognition of Listeria monocytogenes by NLRP6 for the recruitment of caspases and GSDMD cleavage has further potentiated NLRs as important molecules in cell death. Similarly, NLRP12 and NLRX1 have been demonstrated to be crucial in the regulation of interferon and cytokine productions, as well as the maintenance of immune homeostasis. The recent discovery of direct activation of noncanonical inflammasome and NLRs by cytosolic lipopolysaccharides (LPS), Lipophosphoglycan (LPG) and Leishmania is critical in programmed cell death (PCD). Moreover, cell death mediated by NLR inflammasome activation is executed to prevent the host cells from pathogen invasion, in which nutrient supply to pathogens is interfered [53], and the activated bystander cells could also provide the antimicrobial factors to restrict pathogen expansion and disease progression [54]. This review focuses on the significance of NLR proteins in the immune regulation after the recognition of pathogens and the programmed cell death during host defense and immune homeostasis. The potential role of type I interferon in coordinating the inflammasome activation, including the pyroptosis and the latest findings on NLRs as critical checkpoints in host innate immunity, cell death and systemic inflammation, are discussed.

2. Structure, Function and Classification of NOD-like Receptors

NOD-like receptors are functionally diverse intracellular sensors with heterogeneous signaling pathways. With the exception of NLRP10, which lacks an LRR domain, all the NLRs families share a common NACHT and LRR domain organization. NACHT domain possesses NTPase activity with a binding preference for GTP or ATP [55]. The structural diversity arises from variable N-terminal, which is critical for downstream signaling functions. Therefore, NLRs are phylogenetically divided into the acidic transactivation domain, pyrin domain, caspase recruitment domain (CARD) and baculoviral inhibitory repeat (BIR)-like domains, and NLRX possesses less characterized N-terminal domains usually denoted as X [56] ( Table 2 ).

Table 2. Structure and classification of NLRs family.
NLRs Family Sub-Family/Domain Architectures Gene
Acidic transcription-carrying domain (NLRA) Ijms 22 11398 i001 CIITA (NLRA)
BIR- carrying domain
Ijms 22 11398 i002 NLRB (NAIP)
CARD—carrying domain
Ijms 22 11398 i003 NOD1, NLRC4
PYD-carrying domain Ijms 22 11398 i004 NLRP2-NLRP9
Additional domain (FIIND)
Ijms 22 11398 i005
Ijms 22 11398 i006
Unidentified domain NLRs without PYD nor CARD
Ijms 22 11398 i007
NLR-related molecules Ijms 22 11398 i008 Apaf-1

Functionally, NOD-like intracellular sensors are classified into four groups;

3. NLRP3 and NLRC4 Inflammasomes

The NLR family pyrin domain-containing protein 3 (NLRP3), a tripartite protein (as described in Table 1 ), and extensively reviewed in the sub-family of inflammasomes [57][58]. Cellular events, such as ionic flux, the release of ROS, mitochondrial dysfunction and lysosomal damage, have been reported to induce NLRP3 inflammasome activation. Its activation mediates caspase 1-dependent IL-1β and/or IL-18 secretion, and GSDMD dependent pyroptosis. NLRP3 inflammasome comprises NLRP3, adaptor molecule apoptosis-associated speck-like protein containing CARD (ASC, also known as PYCARD) and caspase 1. The oligomerization of NLRP3 at NACHT domains occurs upon stimulation, followed by the recruitment of ASC through hemolytic PYD-PYD. Multiple ASCs merge to further recruit caspase 1 via CARD– CARD interactions to enable self-cleavage and the activation of caspase 1 [57]. The activation of NLRP3 can be through canonical and noncanonical pathways [59]. Two steps are required in canonical activation: priming/transcription and activation/assemblage, whereas priming is not necessary for noncanonical activation. Priming in the canonical pathway goes through toll-like receptors (TLRs), tumor necrotic receptors (TNFR) [60], C-lectin receptors (CLRs) [61] and IFN receptors (IFNAR) [62][63] for the activation of the nuclear factor kappa B (NF-κB) pathway; thus, leading to the transcriptional upregulation of NLRP3 (ready for and post-transcriptional modifications (PTMs), such as ubiquitination and phosphorylation) and pro-IL-1β proteins in the cytosol for ASC recruitment [60]. The activation signal for conformation change comes from pathogen and sterile activators (otherwise called PAMPs and DAMPs), examples include: nigericin, extracellular ATP, silica, cholesterol crystals, potassium efflux and reactive oxygen species (ROS). Thereafter, mature caspase 1 will simultaneously induce the cleavage of GSDMD to promote the pyroptotic cell death and the release of mature cytokine proteins IL-1β and IL-18. In contrast, noncanonical activation of NLRP3 bypasses the transcriptional priming and based on direct activation of the noncanonical inflammasome (caspase 4/5/11) in response to the endotoxin LPS from Gram-negative bacteria [64], Leishmania Lipophosphoglycan (LPG) [65] and oxidized phospholipid1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphorylcholine(oxPAPC) [66][67]. Noncanonical inflammasome induces cell death and cleavage of autoinhibited GSDMD into C- and N-terminals; the released N-terminals oligomerize and assemble at the plasma membrane to cause membrane damage and also facilitate potassium efflux and pyroptosis, as well as enhanced NLRP3 inflammasome activation [64][68]. Therefore, the intrinsic execution of pyroptosis by noncanonical inflammasome requires NLRP3, ASC and caspase 1 for the maturation and secretion of cytokines. Caspase 1 and caspase 4/11 can induce pyroptosis mediated-IL-1β secretion, but caspase 4/11 cannot directly cleave pro-IL-1β and pro-IL-18, but enhance caspase 1 activation for this function instead [69]. Recently, there are new reports demonstrating a novel role of caspase 8 and FADD in the regulation of NLRP3 inflammasome activation and maturation of IL-1β [70][71][72]. Kang et al. demonstrate that caspase 8-deficient dendritic cells (DC) exhibit enhanced LPS-induced NLRP3 assembly [73], and also similar finding occurred in macrophage during Candida albicans infection [74]. However, non-apoptotic caspase 8 seems to play an essential role in TLR signaling-mediated Nlrp3 priming [75]. Another study further showed that FADD-caspase 8 is a critical upstream regulator in both canonical and noncanonical NLRP3 inflammasome signaling, as well as in transcriptional priming [76]. In macrophages, the deletion of caspase 8 in the presence or absence of RIPK3 inhibited the caspase 1 and caspase 11 activation by NLRP3 stimuli. FADD is positioned upstream of caspase 8, and whose deletion prevents caspase 8 maturation. Mice deficient in FADD and caspase 8 exhibited impaired IL-1β production during C. rodentium infection or while being challenged by LPS [76].

NLRP3 inflammasome activation has been overwhelmingly reported to mediate innate immune response in many intracellular pathogens. In gram-positive bacterial infections, NLRP3-dependent caspase 1 regulates the acidification of phagosome buffering by NADPH oxidase NOX2 to modulate innate immune response [77]. Hyperactivation of NLRP3 via gain-of-function mutation in the Nlrp3 gene (Nlrp3R258W) promotes the clearance of virus H1N1 IAV infection. This efficacy is ascribed to IL-1β dependent neutrophil recruitment [78], but this response was deleterious in the H7N9 viral challenge [79]. Pyroptosis mediated by NLRP3 inflammasome plays an essential role in HIV-1–infected patients whose CD4+ T cells are lost [80]. This is similar in parasitic infections, such as Trichuriasis [81], Neosporosis [82], Leishmania [83][84] , Chagas disease [85][86], Toxoplasmosis [87], Trichomoniasis [88] and invasive Entamoeba histolytica [89], as well as in fungal infections [90][91][92]. A variety of the corresponding cognate ligands and post-transcriptional modifications exhibited by NLRP3 have been extensively reviewed elsewhere [57][58]. In parasitic infection, the recognition of Trichuris antigen and exosome by NLRP3 conciliates the secretion of IL-18 that promotes parasite persistence. Nlrp3 −/− mice with reduced proinflammatory type 1 cytokine responses and augmented protective type 2 immunity results in worm expulsion [81]. Extracellular Entamoeba histolytica also induces NLRP3-dependent caspase 1 via its contact with α 5β 1 integrin at the Macrophage- Amebae intercellular junction. The α 5β 1 integrin induced ATP release into the extracellular space through the opening of pannexin-1 channels that signaled through P2X 7 receptors to deliver a critical co-stimulatory signal that activates the NLRP3 inflammasome for the induction of IL-1β [89]. Likewise, ROS production was induced after Neospora caninum to mediate NLRP3 activation and the production of proinflammatory cytokine in macrophages [82].

A recent finding on PANoptosis (concomitant activation of three autonomous cell deaths: pyroptosis, apoptosis and necroptosis) also identified NLRP3 as one of the indispensable components of PANoptosome ( Figure 1 ). PANoptosis is a programmed cell death (PCD) common in macrophages infected with intracellular pathogens, such as influenza A virus, vesicular stomatitis virus, Listeria monocytogenes , Salmonella enteric serovar Typhimurium , Candida albicans and Aspergillus fumigatus , to circumvent pathogen-mediated inhibition [93][94]. The recognition of pathogens or their products by ZBP1 mediates the assemblage of a cytoplasmic multimeric protein complex, known as PANoptosome, and induces PCD called PANoptosis. This complex comprises NLRP3, ASC, CASP8, RIPK3, CASP6 and Z-DNA binding protein 1 (ZBP1) [94][95][96]. ZBP1, which is a DNA-dependent activator of IFN-regulatory factors (DAI) [97], interacts with NLRP3 inflammasome, and together with CASP8, to form a PANoptosome [98][99]. Simultaneous deletion of NLRP3 inflammasome components and caspase 8 largely rescued multiple PCDs than an individual deletion, which provided reduced or no redemption of PCD in pathogen-infected macrophages [100]. This is simply because caspase 8 can exhibit non-apoptotic function to directly cleave pro-IL-1β, pro-IL-18 and GSDMD as well as promotes GSDME-mediated pyroptosis via downstream caspase 3 and caspase 7 activations [96]. However, even though caspase 8 is an essential modulator of PANoptosis, its shifting towards necroptosis and pyroptosis is possible alongside RIPK3 and NLRP3 activation, respectively [101][102] ( Figure 1 ).

Figure 1. NLRP3 is an essential component of PANoptosome, and activation of a complex of ZBP1-FADD-RIPK3-caspase 8 drives PANoptosis inflammatory cell death. Activated caspase 8 simultaneously induces apoptosis via downstream activation of caspase 3/7 and directly promotes the assemblage of NLRP3 inflammasome activation complex to initiate pyroptosis via the cleavage of pro-IL1β, pro-IL18 and GSDMD. The reduced activity of the activated caspase 8 drives phosphorylation of MLKL for the induction of necroptosis, while pathogen surface recognition through TLR and TNFR leads to the nuclear binding of NF-κB for inflammation and PANoptosome-independent necroptosis. NLRP3, Nucleotide-binding oligomerization domain; GSDMD, Gasdermin D; GSDME, Gasdermin E; ZBP1, Z-DNA-binding protein 1; RIPK, Receptor-interacting serine/threonine kinase; MLKL, mixed lineage kinase domain-like pseudokinase; FADD, fas-associated death domain; MyD88, myeloid differentiation primary response 88; NF-κB, nuclear factor kappa light chain enhancer of activated B cells; IRAK, interleukin receptor-associated kinase; TAK1, transforming growth factor b-activated kinase 1; TRAF, TNF receptor-associated factor; cFLIP, Cellular caspase-8 (FLICE)-like inhibitory protein.

NLRC4 , NLR family CARD domain containing 4 formerly called IPAF (ICE protease-activating factor) for its ability to activate caspase 1, is another canonical inflammasome that is tightly regulated by transcriptional and posttranscriptional mechanisms. Its expression is upregulated by TNF and the stress-mediated p53 activation [103][104][105]. NLRC4 contains a CARD domain, and therefore, can directly recruit pro-caspase 1 via CARD– CARD interaction to activate caspase 1, associates or co-localizes with ASC [103][106] for proteolytic cleavage of proinflammatory cytokines (pro–IL-1β and pro–IL-18) and GSDMD [107][108]. The pathogen recognition of NLRC4 is usually via a sensor NAIP (NLR family, apoptosis inhibitory proteins) [109]. Mouse NAIP5/NAIP6, NAIP2 and NAIP1 specifically recognize bacterial flagellins, TTSS rod and T3SS needle proteins, respectively, to induce the activation of NLRC4 inflammasome [109][110][111]. Human NAIP merely recognizes T3SS rod protein PrgJ [112], and its splice variant senses flagellin to promote NLRC4 inflammasome activation in humans [113]. The NLRC4-dependent caspase 1 activation and cell death are cell-specific. NLRC4 activation is critical in macrophages infected by intracellular invasive bacteria Salmonella typhimurium and Burkholderia thailandensis , which mediates pyroptotic cell death and the release of proinflammatory cytokines: IL-1β and IL-18 [114][115][116]. However, unlike macrophages, NLRC4 activation in neutrophils was found to be critical for caspase 1-dependent IL-1β production but not pyroptotic cell death [64][114]. Pyroptotic cell death in neutrophils is majorly coordinated by noncanonical inflammasomes (caspase 4/5/11). A study also revealed that NLRC4 mediates IL-18 secretion necessary to drive IFN-γ, which subsequently primes both macrophages and neutrophils for caspase 11 activation during Burkholderia thailandensis infection in mice [115]. In addition, leucine-rich repeat kinase 2 LRRK2 is an intrinsic regulator of NLRC4 and LRRK2 formed a complex with NLRC4 for its optimal phosphorylation at Ser533, which promotes inflammasome activation during S. typhimurium infection in macrophages [117]. Interestingly, just as a report showed, acetylation-induced NLRP3 activation can be reversed by SIRT2 [118]; also SIRT3 was found to promote NLRC4 inflammasome activation by deacetylation [108]. The involvement of NLRC4 in pathogen recognition was largely thought to be restricted to bacterial infections but recent studies revealed that dendritic cell NLRC4 regulates T cell response during influenza A virus infection. Similarly, NLRC4 was demonstrated to promote the susceptibility of Paracoccidioides brasiliensis (pathogenic fungus infection) by regulating NLRP3 activities to dampen the late IL-18 production and CD8+ IFN-γ+ T cell responses [119].

4. NOD-Like Receptors in the Regulation of Pyroptosis Cell Death

Pyroptosis is a lytic programmed cell death (PCD) that involves cell swelling and the rupturing of the plasma membrane, and it remains a major pathway for the release of proinflammatory proteins in macrophages [120], dendritic cells and partially in neutrophils [121][122]. This cell death was first observed by Friedlander et al. in 1986 in primary mouse macrophages with anthrax lethal toxin (LT) treatment leading to the rapid release of cell contents [123] and later established in Shigella flexneri -infected macrophages by Zychlinsky and his co-workers in 1922 [124].

The establishment occurred after the discovery of ICE (interleukin-1β-converting enzyme) otherwise called caspase 1 [125] as a critical weapon for the maturation of IL-1β from the precursor [126][127]. However, the phenomenon was first thought to be apoptosis until 2001 when D’Souza et al. coined the term pyroptosis as proinflammatory programmed cell death to distinguish it from non-inflammatory cell death called apoptosis [128][129].

The discovery of inflammasome in 2002 [130] made it clearer that efficient execution of pyroptosis requires the activations of the intracellular inflammasome signaling complex to activate inflammatory caspase 1 necessary for the process of IL-1β and IL-18 from pro-IL-1β and pro-IL-18, respectively. Until 2015, when gasdermin D was discovered as a substrate target of caspase 1/4/5/11, the pyroptosis effector molecule was unknown [131][132]. The oligomerization of the cleaved active form of gasdermin protein (N-terminal of GSDMD) [130][131] results in the lysis of cells and facilitates the release of proinflammatory cytokines (such as IL-1β, IL-18 and TNF) and alarmins, such as high mobility group box 1 (HMGB1) [120][121]. It is noteworthy to mention that the first report of the gasdermin gene (now GSDMA) in the gastrointestinal tract (tightly restricted to the esophagus and stomach) and skin of a mouse was 2000 [133], and since then, many members of the gasdermin family have been reported; GSDMB, GSDMC, GSDMD, GSDME (also known as DFNA5) and PJVK (also known as DFNB59), with different activating enzymes both in human and mouse [134][135][136]. This expansive advancement in the understanding of the gasdermin family and its activating protease enzymes, such as inflammatory caspase 4/5/11 [72][134], non-inflammatory caspase 3/7/8 [135][136], Cathepsin G [137] and neutrophil elastase [138], as well as inflammasome activation [139][140], has further broadened the concept of cell death as critical therapeutic targets [141][142] in host immunity [143][144], microbial-induced hyperinflammation [100][145], cytokine storm syndrome [141] and autoimmune diseases [122][146], as well as in severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) [141][147]. Today, program cell deaths (PCD), particularly pyroptosis along with others, such as Necroptosis [148], Ferroptosis [149], NETosis [64][150], Parthanatos [151] and PANoptosis [93][95], have received a lot of attention from all facets of research disciplines. Fortunately, in spite of scrupulous attention to unravel the underlying molecular mechanism, the phenomenon of immunological cell death is still progressively complicated [152]. Considering the impact of cell death in microbial (viral, bacterial and fungal) and parasitic infections, PCD appears to be a double-edged sword for host and pathogen survival [153]. Therefore, tight regulation of the phenomenon is crucial for immune homeostasis. In this part of the review, we focus on the interplay of the afore-listed group of NLRs (trans-activator, inflammasome and regulatory NLRs) and other critical molecules, such as type 1 interferon (IFN-I) and inflammatory caspases ( Caspase 1/4/5/11), on the initiation, execution and regulation of pyroptosis ( Figure 2 ).

Figure 2. The interplay between the principal molecules of pyroptosis and NOD-like receptors: Caspase 1, GSDMD, IL-1β, IL-18, caspase 11 and IFN-I are principal mediators of pyroptosis. Caspase 1 and 11 cleave GSDMD and the N-terminal GSDMD loads onto the plasma membrane to form a pore and promotes the release of IL-1β and IL-18. The inflammasome NLRs are the upstream sensors for caspase 1 activation via their complex formation with ASC and transcriptional basal level of ASC, inflammasomes, such as NLRP3, caspase 11 and immature cytokines (pro-IL1β and pro-IL18), are upregulated along with NF-κB induced downstream of TLRs, CLRs, TNFR and NODosome signaling pathways. Cytosolic recognition of pathogens by interferon-related receptors, such as TLR3, TLR7 and RIG-I, also induce IFN-I production, which can prime NLRP6 for caspase 11 activation, and then caspase 11 further enhances the caspase 1-mediated pyroptosis. Members of regulatory NLRs act to suppress the pathway of each critical molecule; for instance, NLRP12 and NLRX1 interfere with RIG-I signaling cascade, canonical and noncanonical NF-κB pathways. TLRs, Toll-like receptors; CLRs, C-type lectin receptors; TNFR, Tumor necrosis factor receptor 1; RIG-I, Retinoic acid-inducible gene I; TLR3/7, Toll-like receptor 3/7; IFNs, Type 1 interferon; NOD1/2, Nucleotide-binding oligomerization domain-containing protein 1/2; NLRP1/3/6/12, NOD-like receptor family pyrin domain-containing 1/3/6/12; NLRX1, Nucleotide-binding oligomerization domain, leucine-rich repeat containing X1; IRF3, Interferon regulatory factor 3; ASC, Adapter apoptosis-associated speck-like; GSDMD, Uncleaved Gasdermin-D; N-GSDMD, Cleaved N-terminal Gasdermin-D.

During microbial and parasitic infections, regulated cell death (RCD) [63] mediated by appropriate secretion of IFN-I [154] and activation of the inflammasome is vital for the host to cope with either foreign pathogens or tissue damage. Uncontrolled activities of these players can cause aberrant tissue damage, autoinflammatory disorders, cardiometabolic diseases, cancer and neurodegenerative diseases. IFN-I was previously recognized as a crucial molecule that is involved in the protection against viral infections [155][156]; the current paradigm shift has shown its impact on a range of microbial infections, such as parasites, fungi and bacteria. Similar to cell death, IFN-I is also a double-edged sword that exhibits context-dependent functions in relation to the intrinsic and extrinsic factors in cells [154][157]. Protective host defense of IFN-I was demonstrated in Acinetobacter baumannii [158], Escherichia coli [159], Helicobacter pylori [160], Legionella pneumophila [161] Mycobacterium abscesssus [162], Plasmodium berghei [163] and Aspergillus species, A. fumigatus , A. nidulans and A. tanneri [164]. Other reports also shown that it promotes detrimental infection outcome in bacteria, such as Chlamydia muridarum [165], Mycobacterium bovis [166], Escherichia coli [167] , Francisella tularensis [168], Haemophilus influenza [169] and Salmonella typhimurium -viral [170], likewise in fungal and parasitic infections, such as Candidiasis [171], as well as in Chagas parasitic infection caused by Trypanosome cruzi [172]. In Listeria monocytogenes [173][174], Pseudomonas aeruginosa [175][176], Salmonella enterica serovar Typhimurium [177][178] and Yersinia pestis [179] , IFN-I confers dual functions depending on the IFN-stimulated genes (ISGs) involved and the route of infection. For instance, contrary to what is obtainable during foodborne transmission of listeriosis, IFN-I promotes bacterial susceptibility during intravenous route infection by creating a growth-tolerable intracellular microenvironment [174]. Mechanistically, Frantz et al. and Pagliuso et al. recently and respectively described secRNome and RNA-binding protein (Zea) secreted by L. monocytogenes were sensed by RIG-I to mediate IFN-I secretion and signaling pathways [173][180], and this is explored by bacteria to its advantage.


  1. Fekete, T.; Bencze, D.; Bíró, E.; Benkő, S.; Pázmándi, K. Focusing on the Cell Type Specific Regulatory Actions of NLRX1. Int. J. Mol. Sci. 2021, 22, 1316.
  2. Nagai-Singer, M.A.; Morrison, H.A.; Allen, I.C. NLRX1 Is a Multifaceted and Enigmatic Regulator of Immune System Function. Front. Immunol. 2019, 10, 2419.
  3. Janeway, C.A.; Medzhitov, R. Innate Immune Recognition. Annu. Rev. Immunol. 2002, 20, 197–216.
  4. Gowda, D.C.; Wu, X. Parasite Recognition and Signaling Mechanisms in Innate Immune Responses to Malaria. Front. Immunol. 2018, 9, 3006.
  5. Matzinger, P. Tolerance, Danger, and the Extended Family. Annu. Rev. Immunol. 1994, 12, 991–1045.
  6. Lemaitre, B.; Nicolas, E.; Michaut, L.; Reichhart, J.-M.; Hoffmann, J.A. The Dorsoventral Regulatory Gene Cassette Spätzle/Toll/Cactus Controls the Potent Antifungal Response in Drosophila Adults. Cell 1996, 86, 973–983.
  7. Janeway, C.A. Pillars Article: Approaching the Asymptote? Evolution and revolution in immunology. Cold spring harb symp quant biol. 1989, 54: 1–13. J. Immunol. 2013, 191, 4475–4487.
  8. Bosch, T.C.G.; Augustin, R.; Anton-Erxleben, F.; Fraune, S.; Hemmrich, G.; Zill, H.; Rosenstiel, P.; Jacobs, G.; Schreiber, S.; Leippe, M.; et al. Uncovering the Evolutionary History of Innate Immunity: The Simple Metazoan Hydra Uses Epithelial Cells for Host Defence. Dev. Comp. Immunol. 2009, 33, 559–569.
  9. Chen, G.; Shaw, M.H.; Kim, Y.-G.; Nuñez, G. NOD-Like Receptors: Role in Innate Immunity and Inflammatory Disease. Annu. Rev. Pathol. Mech. Dis. 2009, 4, 365–398.
  10. Guo, Q.; Wu, Y.; Hou, Y.; Liu, Y.; Liu, T.; Zhang, H.; Fan, C.; Guan, H.; Li, Y.; Shan, Z.; et al. Cytokine Secretion and Pyroptosis of Thyroid Follicular Cells Mediated by Enhanced NLRP3, NLRP1, NLRC4, and AIM2 Inflammasomes Are Associated With Autoimmune Thyroiditis. Front. Immunol. 2018, 9, 1197.
  11. Chen, L.; Cao, S.-Q.; Lin, Z.-M.; He, S.-J.; Zuo, J.-P. NOD-like Receptors in Autoimmune Diseases. Acta Pharmacol. Sin. 2021, 1–15.
  12. Cunha, L.L.; Marcello, M.A.; Ward, L.S. The Role of the Inflammatory Microenvironment in Thyroid Carcinogenesis. Endocr. -Relat. Cancer 2014, 21, R85–R103.
  13. Magitta, N.F.; Bøe Wolff, A.S.; Johansson, S.; Skinningsrud, B.; Lie, B.A.; Myhr, K.-M.; Undlien, D.E.; Joner, G.; Njølstad, P.R.; Kvien, T.K.; et al. A Coding Polymorphism in NALP1 Confers Risk for Autoimmune Addison’s Disease and Type 1 Diabetes. Genes Immun. 2009, 10, 120–124.
  14. Pontillo, A.; Brandao, L.; Guimaraes, R.; Segat, L.; Araujo, J.; Crovella, S. Two SNPs in NLRP3 Gene Are Involved in the Predisposition to Type-1 Diabetes and Celiac Disease in a Pediatric Population from Northeast Brazil. Autoimmunity 2010, 43, 583–589.
  15. Davis, B.K.; Philipson, C.; Hontecillas, R.; Eden, K.; Bassaganya-Riera, J.; Allen, I.C. Emerging Significance of NLRs in Inflammatory Bowel Disease. Inflamm. Bowel. Dis. 2014, 20, 2412–2432.
  16. Liu, L.; Li, X. NLRP3 Inflammasome in Inflammatory Bowel Disease: Friend or Foe? Dig. Dis. Sci. 2017, 62, 2211–2214.
  17. Chen, L.; Wilson, J.E.; Koenigsknecht, M.J.; Chou, W.-C.; Montgomery, S.A.; Truax, A.D.; Brickey, W.J.; Packey, C.D.; Maharshak, N.; Matsushima, G.K.; et al. NLRP12 Attenuates Colon Inflammation by Maintaining Colonic Microbial Diversity and Promoting Protective Commensal Bacterial Growth. Nat. Immunol. 2017, 18, 541–551.
  18. Allen, I.C.; Wilson, J.E.; Schneider, M.; Lich, J.D.; Roberts, R.A.; Arthur, J.C.; Woodford, R.-M.T.; Davis, B.K.; Uronis, J.M.; Herfarth, H.H.; et al. NLRP12 Suppresses Colon Inflammation and Tumorigenesis through the Negative Regulation of Noncanonical NF-ΚB Signaling. Immunity 2012, 36, 742–754.
  19. Elinav, E.; Henao-Mejia, J.; Flavell, R.A. Integrative Inflammasome Activity in the Regulation of Intestinal Mucosal Immune Responses. Mucosal Immunol. 2013, 6, 4–13.
  20. Xu, T.; Du, Y.; Fang, X.-B.; Chen, H.; Zhou, D.-D.; Wang, Y.; Zhang, L. New Insights into Nod-like Receptors (NLRs) in Liver Diseases. Int. J. Physiol. Pathophysiol. Pharmacol. 2018, 10, 1–16.
  21. Luan, J.; Zhang, X.; Wang, S.; Li, Y.; Fan, J.; Chen, W.; Zai, W.; Wang, S.; Wang, Y.; Chen, M.; et al. NOD-Like Receptor Protein 3 Inflammasome-Dependent IL-1β Accelerated ConA-Induced Hepatitis. Front. Immunol. 2018, 9, 758.
  22. Guo, C.; Fu, R.; Wang, S.; Huang, Y.; Li, X.; Zhou, M.; Zhao, J.; Yang, N. NLRP3 Inflammasome Activation Contributes to the Pathogenesis of Rheumatoid Arthritis. Clin. Exp. Immunol. 2018, 194, 231–243.
  23. Tadaki, H.; Saitsu, H.; Nishimura-Tadaki, A.; Imagawa, T.; Kikuchi, M.; Hara, R.; Kaneko, U.; Kishi, T.; Miyamae, T.; Miyake, N.; et al. De Novo 19q13.42 Duplications Involving NLRP Gene Cluster in a Patient with Systemic-Onset Juvenile Idiopathic Arthritis. J. Hum. Genet. 2011, 56, 343–347.
  24. Prado, D.S.; Veras, F.P.; Ferreira, R.G.; Damasceno, L.E.A.; Melo, P.H.; Zamboni, D.S.; Cunha, T.M.; Cunha, F.Q.; Alves-Filho, J.C. NLRP12 Controls Arthritis Severity by Acting as a Checkpoint Inhibitor of Th17 Cell Differentiation. FASEB J. 2020, 34, 10907–10919.
  25. Eike, M.C.; Skinningsrud, B.; Ronninger, M.; Stormyr, A.; Kvien, T.K.; Joner, G.; Njølstad, P.R.; Førre, Ø.; Flatø, B.; Alfredsson, L.; et al. CIITA Gene Variants Are Associated with Rheumatoid Arthritis in Scandinavian Populations. Genes Immun. 2012, 13, 431–436.
  26. Pickering, R.J.; Booty, L.M. NLR in EXile: Emerging Roles of NLRX1 in Immunity and Human Disease. Immunology 2021, 162, 268–280.
  27. Li, J.; Wu, S.; Wang, M.-R.; Wang, T.-T.; Li, B.; Zhu, J.-M. Potential Roles of Nucleotide-Binding Oligomerization Domain 2 in the Pathogenesis of Systemic Lupus Erythematosus. Rheumatol. Int. 2014, 34, 1339–1344.
  28. Chidambaram, A.C.; Ramamoorthy, J.; Krishnamurthy, S.; Manivannan, P.; Karunakar, P. Dysregulated Immune System Secondary to Novel Heterozygous Mutation of CIITA Gene Presenting with Recurrent Infections and Systemic Lupus Erythematosus. Authorea Prepr. 2020. Unpublished work.
  29. Pontillo, A.; Girardelli, M.; Kamada, A.; Pancotto, J.; Donadi, E.; Crovella, S.; Sandrin-Garcia, P. Polimorphisms in Inflammasome Genes Are Involved in the Predisposition to Systemic Lupus Erythematosus. Autoimmunity 2012, 45, 271–278.
  30. Li, S.; Kang, P.; Zhang, W.; Jian, Z.; Zhang, Q.; Yi, X.; Guo, S.; Guo, W.; Shi, Q.; Li, B.; et al. Activated NLR Family Pyrin Domain Containing 3 (NLRP3) Inflammasome in Keratinocytes Promotes Cutaneous T-Cell Response in Patients with Vitiligo. J. Allergy Clin. Immunol. 2020, 145, 632–645.
  31. Tang, L.; Zhou, F. Inflammasomes in Common Immune-Related Skin Diseases. Front. Immunol. 2020, 11, 882.
  32. Ciążyńska, M.; Olejniczak-Staruch, I.; Sobolewska-Sztychny, D.; Narbutt, J.; Skibińska, M.; Lesiak, A. The Role of NLRP1, NLRP3, and AIM2 Inflammasomes in Psoriasis: Review. Int. J. Mol. Sci. 2021, 22, 5898.
  33. Yu, P.; Hao, S.; Zheng, H.; Zhao, X.; Li, Y. Association of NLRP1 and NLRP3 Polymorphisms with Psoriasis Vulgaris Risk in the Chinese Han Population. Biomed. Res. Int. 2018, 2018, 4714836.
  34. Tervaniemi, M.H.; Katayama, S.; Skoog, T.; Siitonen, H.A.; Vuola, J.; Nuutila, K.; Sormunen, R.; Johnsson, A.; Linnarsson, S.; Suomela, S.; et al. NOD-like Receptor Signaling and Inflammasome-Related Pathways Are Highlighted in Psoriatic Epidermis. Sci. Rep. 2016, 6, 22745.
  35. Zhong, F.L.; Mamaï, O.; Sborgi, L.; Boussofara, L.; Hopkins, R.; Robinson, K.; Szeverényi, I.; Takeichi, T.; Balaji, R.; Lau, A.; et al. Germline NLRP1 Mutations Cause Skin Inflammatory and Cancer Susceptibility Syndromes via Inflammasome Activation. Cell 2016, 167, 187–202.e17.
  36. Maver, A.; Lavtar, P.; Ristić, S.; Stopinšek, S.; Simčič, S.; Hočevar, K.; Sepčić, J.; Drulović, J.; Pekmezović, T.; Novaković, I.; et al. Identification of Rare Genetic Variation of NLRP1 Gene in Familial Multiple Sclerosis. Sci. Rep. 2017, 7, 3715.
  37. Malhotra, S.; Río, J.; Urcelay, E.; Nurtdinov, R.; Bustamante, M.F.; Fernández, O.; Oliver, B.; Zettl, U.; Brassat, D.; Killestein, J.; et al. NLRP3 Inflammasome Is Associated with the Response to IFN-β in Patients with Multiple Sclerosis. Brain 2015, 138, 644–652.
  38. Grzywa, R.H. The role of NOD-like receptors (NLRs) in the pathogenesis of metabolic diseases. Postepy Biochem. 2017, 63, 205–209.
  39. Dhaiban, S.; Al-Ani, M.; Elemam, N.M.; Al-Aawad, M.H.; Al-Rawi, Z.; Maghazachi, A.A. Role of Immune Cells in Multiple Sclerosis and Experimental Autoimmune Encephalomyelitis. Science 2020, 3, 12.
  40. Schroder, K.; Tschopp, J. The Inflammasomes. Cell 2010, 140, 821–832.
  41. Ting, J.P.-Y.; Davis, B.K. Caterpiller: A Novel Gene Family Important in Immunity, Cell Death, and Diseases. Annu. Rev. Immunol. 2005, 23, 387–414.
  42. Motta, V.; Soares, F.; Sun, T.; Philpott, D.J. NOD-Like Receptors: Versatile Cytosolic Sentinels. Physiol. Rev. 2015, 95, 149–178.
  43. Fritz, J.H.; Kufer, T.A. Editorial: NLR-Protein Functions in Immunity. Front. Immunol. 2015, 6, 306.
  44. Liwinski, T.; Zheng, D.; Elinav, E. The Microbiome and Cytosolic Innate Immune Receptors. Immunol. Rev. 2020, 297, 207–224.
  45. Fang, C.; Wei, X.; Wei, Y. Mitochondrial DNA in the Regulation of Innate Immune Responses. Protein Cell 2016, 7, 11–16.
  46. Philpott, D.J.; Yamaoka, S.; Israël, A.; Sansonetti, P.J. Invasive Shigella Flexneri Activates NF-Kappa B through a Lipopolysaccharide-Dependent Innate Intracellular Response and Leads to IL-8 Expression in Epithelial Cells. J. Immunol. 2000, 165, 903–914.
  47. Lupfer, C.; Kanneganti, T.-D. Unsolved Mysteries in NLR Biology. Front. Immunol. 2013, 4, 285.
  48. Cai, S.; Paudel, S.; Jin, L.; Ghimire, L.; Taylor, C.M.; Wakamatsu, N.; Bhattarai, D.; Jeyaseelan, S. NLRP6 Modulates Neutrophil Homeostasis in Bacterial Pneumonia-Derived Sepsis. Mucosal Immunol. 2021, 14, 574–584.
  49. Carneiro, L.A.M.; Travassos, L.H. The Interplay between NLRs and Autophagy in Immunity and Inflammation. Front. Immunol. 2013, 4.
  50. Janowski, A.M.; Kolb, R.; Zhang, W.; Sutterwala, F.S. Beneficial and Detrimental Roles of NLRs in Carcinogenesis. Front. Immunol. 2013, 4, 370.
  51. Silva, G.K.; Gutierrez, F.R.S.; Guedes, P.M.M.; Horta, C.V.; Cunha, L.D.; Mineo, T.W.P.; Santiago-Silva, J.; Kobayashi, K.S.; Flavell, R.A.; Silva, J.S.; et al. Cutting Edge: Nucleotide-Binding Oligomerization Domain 1-Dependent Responses Account for Murine Resistance against Trypanosoma Cruzi Infection. J. Immunol. 2010, 184, 1148–1152.
  52. Kuss-Duerkop, S.K.; Keestra-Gounder, A.M. NOD1 and NOD2 Activation by Diverse Stimuli: A Possible Role for Sensing Pathogen-Induced Endoplasmic Reticulum Stress. Infect. Immun. 2020, 88, e00898-19.
  53. Mandal, S.; Rajarammohan, S.; Kaur, J. ROS Accumulation and Associated Cell Death Mediates Susceptibility to Alternaria Brassicae in Arabidopsis Accessions. Physiol. Mol. Plant Pathol. 2019, 107, 51–59.
  54. Saur, I.M.L.; Panstruga, R.; Schulze-Lefert, P. NOD-like Receptor-Mediated Plant Immunity: From Structure to Cell Death. Nat. Rev. Immunol. 2021, 21, 305–318.
  55. Ting, J.P.-Y.; Lovering, R.C.; Alnemri, E.S.; Bertin, J.; Boss, J.M.; Davis, B.; Flavell, R.A.; Girardin, S.E.; Godzik, A.; Harton, J.A.; et al. The NLR Gene Family: An Official Nomenclature. Immunity 2008, 28, 285–287.
  56. Zheng, D.; Liwinski, T.; Elinav, E. Inflammasome Activation and Regulation: Toward a Better Understanding of Complex Mechanisms. Cell Discov. 2020, 6, 1–22.
  57. Swanson, K.V.; Deng, M.; Ting, J.P.-Y. The NLRP3 Inflammasome: Molecular Activation and Regulation to Therapeutics. Nat. Rev. Immunol. 2019, 19, 477–489.
  58. Paik, S.; Kim, J.K.; Silwal, P.; Sasakawa, C.; Jo, E.-K. An Update on the Regulatory Mechanisms of NLRP3 Inflammasome Activation. Cell Mol. Immunol. 2021, 18, 1141–1160.
  59. Vanaja, S.K.; Rathinam, V.A.K.; Fitzgerald, K.A. Mechanisms of Inflammasome Activation: Recent Advances and Novel Insights. Trends Cell Biol. 2015, 25, 308–315.
  60. Gritsenko, A.; Yu, S.; Martin-Sanchez, F.; Diaz-del-Olmo, I.; Nichols, E.-M.; Davis, D.M.; Brough, D.; Lopez-Castejon, G. Priming Is Dispensable for NLRP3 Inflammasome Activation in Human Monocytes In Vitro. Front. Immunol. 2020, 11, 2573.
  61. Chen, S.-T.; Li, F.-J.; Hsu, T.-Y.; Liang, S.-M.; Yeh, Y.-C.; Liao, W.-Y.; Chou, T.-Y.; Chen, N.-J.; Hsiao, M.; Yang, W.-B.; et al. CLEC5A Is a Critical Receptor in Innate Immunity against Listeria Infection. Nat. Commun. 2017, 8, 299.
  62. Swanson, K.V.; Junkins, R.D.; Kurkjian, C.J.; Holley-Guthrie, E.; Pendse, A.A.; El Morabiti, R.; Petrucelli, A.; Barber, G.N.; Benedict, C.A.; Ting, J.P.-Y. A Noncanonical Function of CGAMP in Inflammasome Priming and Activation. J. Exp. Med. 2017, 214, 3611–3626.
  63. Malireddi, R.K.S.; Kanneganti, T.-D. Role of Type I Interferons in Inflammasome Activation, Cell Death, and Disease during Microbial Infection. Front. Cell Infect. Microbiol. 2013, 3, 77.
  64. Chen, K.W.; Monteleone, M.; Boucher, D.; Sollberger, G.; Ramnath, D.; Condon, N.D.; von Pein, J.B.; Broz, P.; Sweet, M.J.; Schroder, K. Noncanonical Inflammasome Signaling Elicits Gasdermin D-Dependent Neutrophil Extracellular Traps. Sci. Immunol. 2018, 3, eaar6676.
  65. de Carvalho, R.V.H.; Andrade, W.A.; Lima-Junior, D.S.; Dilucca, M.; de Oliveira, C.V.; Wang, K.; Nogueira, P.M.; Rugani, J.N.; Soares, R.P.; Beverley, S.M.; et al. Leishmania Lipophosphoglycan Triggers Caspase-11 and the Non-Canonical Activation of the NLRP3 Inflammasome. Cell Rep. 2019, 26, 429–437.e5.
  66. Tsuchiya, K. Inflammasome-associated Cell Death: Pyroptosis, Apoptosis, and Physiological Implications. Microbiol. Immunol. 2020, 64, 252–269.
  67. Chu, L.H.; Indramohan, M.; Ratsimandresy, R.A.; Gangopadhyay, A.; Morris, E.P.; Monack, D.M.; Dorfleutner, A.; Stehlik, C. The Oxidized Phospholipid OxPAPC Protects from Septic Shock by Targeting the Non-Canonical Inflammasome in Macrophages. Nat. Commun. 2018, 9, 996.
  68. Yang, Y.; Wang, H.; Kouadir, M.; Song, H.; Shi, F. Recent Advances in the Mechanisms of NLRP3 Inflammasome Activation and Its Inhibitors. Cell Death Dis. 2019, 10, 128.
  69. Kayagaki, N.; Warming, S.; Lamkanfi, M.; Vande Walle, L.; Louie, S.; Dong, J.; Newton, K.; Qu, Y.; Liu, J.; Heldens, S.; et al. Non-Canonical Inflammasome Activation Targets Caspase-11. Nature 2011, 479, 117–121.
  70. Kang, S.; Fernandes-Alnemri, T.; Rogers, C.; Mayes, L.; Wang, Y.; Dillon, C.; Roback, L.; Kaiser, W.; Oberst, A.; Sagara, J.; et al. Caspase-8 Scaffolding Function and MLKL Regulate NLRP3 Inflammasome Activation Downstream of TLR3. Nat. Commun. 2015, 6, 7515.
  71. Antonopoulos, C.; Russo, H.M.; Sanadi, C.E.; Martin, B.N.; Li, X.; Kaiser, W.J.; Mocarski, E.S.; Dubyak, G.R. Caspase-8 as an Effector and Regulator of NLRP3 Inflammasome Signaling. J. Biol. Chem. 2015, 290, 20167–20184.
  72. Gurung, P.; Kanneganti, T.-D. Novel Roles for Caspase-8 in IL-1β and Inflammasome Regulation. Am. J. Pathol. 2015, 185, 17–25.
  73. Kang, T.-B.; Yang, S.-H.; Toth, B.; Kovalenko, A.; Wallach, D. Caspase-8 Blocks Kinase RIPK3-Mediated Activation of the NLRP3 Inflammasome. Immunity 2013, 38, 27–40.
  74. Ganesan, S.; Rathinam, V.A.K.; Bossaller, L.; Army, K.; Kaiser, W.J.; Mocarski, E.S.; Dillon, C.P.; Green, D.R.; Mayadas, T.N.; Levitz, S.M.; et al. Caspase-8 Modulates Dectin-1 and Complement Receptor 3–Driven IL-1β Production in Response to β-Glucans and the Fungal Pathogen, Candida Albicans. J. Immunol. 2014, 193, 2519–2530.
  75. Allam, R.; Lawlor, K.E.; Yu, E.C.-W.; Mildenhall, A.L.; Moujalled, D.M.; Lewis, R.S.; Ke, F.; Mason, K.D.; White, M.J.; Stacey, K.J.; et al. Mitochondrial Apoptosis Is Dispensable for NLRP3 Inflammasome Activation but Non-Apoptotic Caspase-8 Is Required for Inflammasome Priming. EMBO Rep. 2014, 15, 982–990.
  76. Gurung, P.; Anand, P.K.; Malireddi, R.K.S.; Walle, L.V.; Opdenbosch, N.V.; Dillon, C.P.; Weinlich, R.; Green, D.R.; Lamkanfi, M.; Kanneganti, T.-D. FADD and Caspase-8 Mediate Priming and Activation of the Canonical and Noncanonical Nlrp3 Inflammasomes. J. Immunol. 2014, 192, 1835–1846.
  77. Sokolovska, A.; Becker, C.E.; Ip, W.K.E.; Rathinam, V.A.K.; Brudner, M.; Paquette, N.; Tanne, A.; Vanaja, S.K.; Moore, K.J.; Fitzgerald, K.A.; et al. Activation of Caspase-1 by the NLRP3 Inflammasome Regulates the NADPH Oxidase NOX2 to Control Phagosome Function. Nat. Immunol. 2013, 14, 543–553.
  78. Niu, J.; Wu, S.; Chen, M.; Xu, K.; Guo, Q.; Lu, A.; Zhao, L.; Sun, B.; Meng, G. Hyperactivation of the NLRP3 Inflammasome Protects Mice against Influenza A Virus Infection via IL-1β Mediated Neutrophil Recruitment. Cytokine 2019, 120, 115–124.
  79. Ren, R.; Wu, S.; Cai, J.; Yang, Y.; Ren, X.; Feng, Y.; Chen, L.; Qin, B.; Xu, C.; Yang, H.; et al. The H7N9 Influenza A Virus Infection Results in Lethal Inflammation in the Mammalian Host via the NLRP3-Caspase-1 Inflammasome. Sci. Rep. 2017, 7, 7625.
  80. Zhang, C.; Song, J.-W.; Huang, H.-H.; Fan, X.; Huang, L.; Deng, J.-N.; Tu, B.; Wang, K.; Li, J.; Zhou, M.-J.; et al. NLRP3 Inflammasome Induces CD4+ T Cell Loss in Chronically HIV-1–Infected Patients. Available online: (accessed on 6 August 2021).
  81. Alhallaf, R.; Agha, Z.; Miller, C.M.; Robertson, A.A.B.; Sotillo, J.; Croese, J.; Cooper, M.A.; Masters, S.L.; Kupz, A.; Smith, N.C.; et al. The NLRP3 Inflammasome Suppresses Protective Immunity to Gastrointestinal Helminth Infection. Cell Rep. 2018, 23, 1085–1098.
  82. Li, L.; Wang, X.-C.; Gong, P.-T.; Zhang, N.; Zhang, X.; Li, S.; Li, X.; Liu, S.-X.; Zhang, X.-X.; Li, W.; et al. ROS-Mediated NLRP3 Inflammasome Activation Participates in the Response against Neospora Caninum Infection. Parasites Vectors 2020, 13, 449.
  83. de Carvalho, R.V.H.; Lima-Junior, D.S.; da Silva, M.V.G.; Dilucca, M.; Rodrigues, T.S.; Horta, C.V.; Silva, A.L.N.; da Silva, P.F.; Frantz, F.G.; Lorenzon, L.B.; et al. Leishmania RNA Virus Exacerbates Leishmaniasis by Subverting Innate Immunity via TLR3-Mediated NLRP3 Inflammasome Inhibition. Nat. Commun. 2019, 10, 5273.
  84. Shio, M.T.; Christian, J.G.; Jung, J.Y.; Chang, K.-P.; Olivier, M. PKC/ROS-Mediated NLRP3 Inflammasome Activation Is Attenuated by Leishmania Zinc-Metalloprotease during Infection. PLoS Negl. Trop. Dis. 2015, 9, e0003868.
  85. Gonçalves, V.M.; Matteucci, K.C.; Buzzo, C.L.; Miollo, B.H.; Ferrante, D.; Torrecilhas, A.C.; Rodrigues, M.M.; Alvarez, J.M.; Bortoluci, K.R. NLRP3 Controls Trypanosoma Cruzi Infection through a Caspase-1-Dependent IL-1R-Independent NO Production. PLoS Negl. Trop. Dis. 2013, 7, e2469.
  86. Paroli, A.F.; Gonzalez, P.V.; Díaz Luján, C.M.; Onofrio, L.I.; Arocena, A.R.; Cano, R.C.; Carrera Silva, E.A.; Gea, S. NLRP3 Inflammasome and Caspase-1/11 Pathway Orchestrate Different Outcomes in the Host Protection Against Trypanosoma Cruzi Acute Infection. Front. Immunol. 2018, 9, 913.
  87. Gorfu, G.; Cirelli, K.M.; Melo, M.B.; Mayer-Barber, K.; Crown, D.; Koller, B.H.; Masters, S.; Sher, A.; Leppla, S.H.; Moayeri, M.; et al. Dual Role for Inflammasome Sensors NLRP1 and NLRP3 in Murine Resistance to Toxoplasma Gondii. mBio 2014, 5, e01117-13.
  88. Riestra, A.M.; Valderrama, J.A.; Patras, K.A.; Booth, S.D.; Quek, X.Y.; Tsai, C.-M.; Nizet, V. Trichomonas Vaginalis Induces NLRP3 Inflammasome Activation and Pyroptotic Cell Death in Human Macrophages. J. Innate Immun. 2019, 11, 86–98.
  89. Mortimer, L.; Moreau, F.; Cornick, S.; Chadee, K. The NLRP3 Inflammasome Is a Pathogen Sensor for Invasive Entamoeba Histolytica via Activation of A5β1 Integrin at the Macrophage-Amebae Intercellular Junction. PLoS Pathog. 2015, 11, e1004887.
  90. Kasper, L.; König, A.; Koenig, P.-A.; Gresnigt, M.S.; Westman, J.; Drummond, R.A.; Lionakis, M.S.; Groß, O.; Ruland, J.; Naglik, J.R.; et al. The Fungal Peptide Toxin Candidalysin Activates the NLRP3 Inflammasome and Causes Cytolysis in Mononuclear Phagocytes. Nat. Commun. 2018, 9, 4260.
  91. Roselletti, E.; Perito, S.; Gabrielli, E.; Mencacci, A.; Pericolini, E.; Sabbatini, S.; Cassone, A.; Vecchiarelli, A. NLRP3 Inflammasome Is a Key Player in Human Vulvovaginal Disease Caused by Candida Albicans. Sci. Rep. 2017, 7, 17877.
  92. Ali, M.F.; Dasari, H.; Van Keulen, V.P.; Carmona, E.M. Canonical Stimulation of the NLRP3 Inflammasome by Fungal Antigens Links Innate and Adaptive B-Lymphocyte Responses by Modulating IL-1β and IgM Production. Front. Immunol. 2017, 8, 1504.
  93. Christgen, S.; Zheng, M.; Kesavardhana, S.; Karki, R.; Malireddi, R.K.S.; Banoth, B.; Place, D.E.; Briard, B.; Sharma, B.R.; Tuladhar, S.; et al. Identification of the PANoptosome: A Molecular Platform Triggering Pyroptosis, Apoptosis, and Necroptosis (PANoptosis). Front. Cell. Infect. Microbiol. 2020, 10, 237.
  94. Briard, B.; Malireddi, R.K.S.; Kanneganti, T.-D. Role of Inflammasomes/Pyroptosis and PANoptosis during Fungal Infection. PLoS Pathog. 2021, 17, e1009358.
  95. Malireddi, R.K.S.; Gurung, P.; Kesavardhana, S.; Samir, P.; Burton, A.; Mummareddy, H.; Vogel, P.; Pelletier, S.; Burgula, S.; Kanneganti, T.-D. Innate Immune Priming in the Absence of TAK1 Drives RIPK1 Kinase Activity-Independent Pyroptosis, Apoptosis, Necroptosis, and Inflammatory Disease. J. Exp. Med. 2020, 217, e20191644.
  96. Lee, S.; Channappanavar, R.; Kanneganti, T.-D. Coronaviruses: Innate Immunity, Inflammasome Activation, Inflammatory Cell Death, and Cytokines. Trends Immunol. 2020, 41, 1083–1099.
  97. Takaoka, A.; Wang, Z.; Choi, M.K.; Yanai, H.; Negishi, H.; Ban, T.; Lu, Y.; Miyagishi, M.; Kodama, T.; Honda, K.; et al. DAI (DLM-1/ZBP1) Is a Cytosolic DNA Sensor and an Activator of Innate Immune Response. Nature 2007, 448, 501–505.
  98. Zheng, M.; Kanneganti, T. The Regulation of the ZBP1-NLRP3 Inflammasome and Its Implications in Pyroptosis, Apoptosis, and Necroptosis (PANoptosis). Immunol. Rev. 2020, 297, 26–38.
  99. Zheng, M.; Kanneganti, T.-D. Newly Identified Function of Caspase-6 in ZBP1-Mediated Innate Immune Responses, NLRP3 Inflammasome Activation, PANoptosis, and Host Defense. J. Cell Immunol. 2020, 2, 341–347.
  100. Zheng, M.; Williams, E.P.; Malireddi, R.K.S.; Karki, R.; Banoth, B.; Burton, A.; Webby, R.; Channappanavar, R.; Jonsson, C.B.; Kanneganti, T.-D. Impaired NLRP3 Inflammasome Activation/Pyroptosis Leads to Robust Inflammatory Cell Death via Caspase-8/RIPK3 during Coronavirus Infection. J. Biol. Chem. 2020, 295, 14040–14052.
  101. Wu, C.; Zhou, L.; Yuan, H.; Wu, S. Interconnections among Major Forms of Regulated Cell Death. Apoptosis 2020, 25, 616–624.
  102. Zheng, Z.; Deng, W.; Bai, Y.; Miao, R.; Mei, S.; Zhang, Z.; Pan, Y.; Wang, Y.; Min, R.; Deng, F.; et al. The Lysosomal Rag-Ragulator Complex Licenses RIPK1– and Caspase-8–Mediated Pyroptosis by Yersinia. Science 2021, 372, eabg0269.
  103. Duncan, J.A.; Canna, S.W. The NLRC4 Inflammasome. Immunol. Rev. 2018, 281, 115–123.
  104. Gutierrez, O.; Pipaon, C.; Fernandez-Luna, J.L. Ipaf Is Upregulated by Tumor Necrosis Factor-Alpha in Human Leukemia Cells. FEBS Lett. 2004, 568, 79–82.
  105. Sadasivam, S.; Gupta, S.; Radha, V.; Batta, K.; Kundu, T.K.; Swarup, G. Caspase-1 Activator Ipaf Is a P53-Inducible Gene Involved in Apoptosis. Oncogene 2005, 24, 627–636.
  106. Sundaram, B.; Kanneganti, T.-D. Advances in Understanding Activation and Function of the NLRC4 Inflammasome. Int. J. Mol. Sci. 2021, 22, 1048.
  107. Mascarenhas, D.P.A.; Cerqueira, D.M.; Pereira, M.S.F.; Castanheira, F.V.S.; Fernandes, T.D.; Manin, G.Z.; Cunha, L.D.; Zamboni, D.S. Inhibition of Caspase-1 or Gasdermin-D Enable Caspase-8 Activation in the Naip5/NLRC4/ASC Inflammasome. PLoS Pathog. 2017, 13, e1006502.
  108. Guan, C.; Huang, X.; Yue, J.; Xiang, H.; Shaheen, S.; Jiang, Z.; Tao, Y.; Tu, J.; Liu, Z.; Yao, Y.; et al. SIRT3-Mediated Deacetylation of NLRC4 Promotes Inflammasome Activation. Theranostics 2021, 11, 3981–3995.
  109. Zhao, Y.; Yang, J.; Shi, J.; Gong, Y.-N.; Lu, Q.; Xu, H.; Liu, L.; Shao, F. The NLRC4 Inflammasome Receptors for Bacterial Flagellin and Type III Secretion Apparatus. Nature 2011, 477, 596–600.
  110. Kofoed, E.M.; Vance, R.E. Innate Immune Recognition of Bacterial Ligands by NAIPs Determines Inflammasome Specificity. Nature 2011, 477, 592–595.
  111. Rayamajhi, M.; Zak, D.E.; Chavarria-Smith, J.; Vance, R.E.; Miao, E.A. Cutting Edge: Mouse NAIP1 Detects the Type III Secretion System Needle Protein. J. Immunol. 2013, 191, 3986–3989.
  112. Yang, J.; Zhao, Y.; Shi, J.; Shao, F. Human NAIP and Mouse NAIP1 Recognize Bacterial Type III Secretion Needle Protein for Inflammasome Activation. Proc. Natl. Acad. Sci. USA 2013, 110, 14408–14413.
  113. Kortmann, J.; Brubaker, S.W.; Monack, D.M. Cutting Edge: Inflammasome Activation in Primary Human Macrophages Is Dependent on Flagellin. J. Immunol. 2015, 195, 815–819.
  114. Chen, K.W.; Groß, C.J.; Sotomayor, F.V.; Stacey, K.J.; Tschopp, J.; Sweet, M.J.; Schroder, K. The Neutrophil NLRC4 Inflammasome Selectively Promotes IL-1β Maturation without Pyroptosis during Acute Salmonella Challenge. Cell Rep. 2014, 8, 570–582.
  115. Kovacs, S.B.; Oh, C.; Maltez, V.I.; McGlaughon, B.D.; Verma, A.; Miao, E.A.; Aachoui, Y. Neutrophil Caspase-11 Is Essential to Defend against a Cytosol-Invasive Bacterium. Cell Rep. 2020, 32, 107967.
  116. Hausmann, A.; Böck, D.; Geiser, P.; Berthold, D.L.; Fattinger, S.A.; Furter, M.; Bouman, J.A.; Barthel-Scherrer, M.; Lang, C.M.; Bakkeren, E.; et al. Intestinal Epithelial NAIP/NLRC4 Restricts Systemic Dissemination of the Adapted Pathogen Salmonella Typhimurium Due to Site-Specific Bacterial PAMP Expression. Mucosal Immunol. 2020, 13, 530–544.
  117. Liu, W.; Liu, X.; Li, Y.; Zhao, J.; Liu, Z.; Hu, Z.; Wang, Y.; Yao, Y.; Miller, A.W.; Su, B.; et al. LRRK2 Promotes the Activation of NLRC4 Inflammasome during Salmonella Typhimurium Infection. J. Exp. Med. 2017, 214, 3051–3066.
  118. He, M.; Chiang, H.-H.; Luo, H.; Zheng, Z.; Qiao, Q.; Wang, L.; Tan, M.; Ohkubo, R.; Mu, W.-C.; Zhao, S.; et al. An Acetylation Switch of the NLRP3 Inflammasome Regulates Aging-Associated Chronic Inflammation and Insulin Resistance. Cell Metab. 2020, 31, 580–591.e5.
  119. Souza, C.O.S.; Ketelut-Carneiro, N.; Milanezi, C.M.; Faccioli, L.H.; Gardinassi, L.G.; Silva, J.S. NLRC4 Inhibits NLRP3 Inflammasome and Abrogates Effective Antifungal CD8+ T Cell Responses. iScience 2021, 24, 102548.
  120. Phulphagar, K.; Kühn, L.I.; Ebner, S.; Frauenstein, A.; Swietlik, J.J.; Rieckmann, J.; Meissner, F. Proteomics Reveals Distinct Mechanisms Regulating the Release of Cytokines and Alarmins during Pyroptosis. Cell Rep. 2021, 34, 108826.
  121. Heilig, R.; Dick, M.S.; Sborgi, L.; Meunier, E.; Hiller, S.; Broz, P. The Gasdermin-D Pore Acts as a Conduit for IL-1β Secretion in Mice. Eur. J. Immunol. 2018, 48, 584–592.
  122. Liu, L.; Sun, B. Neutrophil Pyroptosis: New Perspectives on Sepsis. Cell. Mol. Life Sci. 2019, 76, 2031–2042.
  123. Friedlander, A.M. Macrophages Are Sensitive to Anthrax Lethal Toxin through an Acid-Dependent Process. J. Biol. Chem. 1986, 261, 7123–7126.
  124. Zychlinsky, A.; Prevost, M.C.; Sansonetti, P.J. Shigella Flexneri Induces Apoptosis in Infected Macrophages. Nature 1992, 358, 167–169.
  125. Black, R.A.; Kronheim, S.R.; Merriam, J.E.; March, C.J.; Hopp, T.P. A Pre-Aspartate-Specific Protease from Human Leukocytes That Cleaves Pro-Interleukin-1 β. J. Biol. Chem. 1989, 264, 5323–5326.
  126. Thornberry, N.A.; Bull, H.G.; Calaycay, J.R.; Chapman, K.T.; Howard, A.D.; Kostura, M.J.; Miller, D.K.; Molineaux, S.M.; Weidner, J.R.; Aunins, J. A Novel Heterodimeric Cysteine Protease Is Required for Interleukin-1 Beta Processing in Monocytes. Nature 1992, 356, 768–774.
  127. Cerretti, D.P.; Kozlosky, C.J.; Mosley, B.; Nelson, N.; Van Ness, K.; Greenstreet, T.A.; March, C.J.; Kronheim, S.R.; Druck, T.; Cannizzaro, L.A. Molecular Cloning of the Interleukin-1 Beta Converting Enzyme. Science 1992, 256, 97–100.
  128. D’Souza, C.A.; Heitman, J. Dismantling the Cryptococcus Coat. Trends Microbiol. 2001, 9, 112–113.
  129. Yu, P.; Zhang, X.; Liu, N.; Tang, L.; Peng, C.; Chen, X. Pyroptosis: Mechanisms and Diseases. Sig. Transduct. Target Ther. 2021, 6, 1–21.
  130. Martinon, F.; Burns, K.; Tschopp, J. The Inflammasome: A Molecular Platform Triggering Activation of Inflammatory Caspases and Processing of ProIL-Beta. Mol. Cell 2002, 10, 417–426.
  131. Shi, J.; Zhao, Y.; Wang, K.; Shi, X.; Wang, Y.; Huang, H.; Zhuang, Y.; Cai, T.; Wang, F.; Shao, F. Cleavage of GSDMD by Inflammatory Caspases Determines Pyroptotic Cell Death. Nature 2015, 526, 660–665.
  132. Kayagaki, N.; Stowe, I.B.; Lee, B.L.; O’Rourke, K.; Anderson, K.; Warming, S.; Cuellar, T.; Haley, B.; Roose-Girma, M.; Phung, Q.T.; et al. Caspase-11 Cleaves Gasdermin D for Non-Canonical Inflammasome Signalling. Nature 2015, 526, 666–671.
  133. Saeki, N.; Kuwahara, Y.; Sasaki, H.; Satoh, H.; Shiroishi, T. Gasdermin (Gsdm) Localizing to Mouse Chromosome 11 Is Predominantly Expressed in Upper Gastrointestinal Tract but Significantly Suppressed in Human Gastric Cancer Cells. Mamm. Genome 2000, 11, 718–724.
  134. Ruan, J.; Wang, S.; Wang, J. Mechanism and Regulation of Pyroptosis-Mediated in Cancer Cell Death. Chem. -Biol. Interact. 2020, 323, 109052.
  135. Rogers, C.; Erkes, D.A.; Nardone, A.; Aplin, A.E.; Fernandes-Alnemri, T.; Alnemri, E.S. Gasdermin Pores Permeabilize Mitochondria to Augment Caspase-3 Activation during Apoptosis and Inflammasome Activation. Nat. Commun. 2019, 10, 1689.
  136. Sarhan, J.; Liu, B.C.; Muendlein, H.I.; Li, P.; Nilson, R.; Tang, A.Y.; Rongvaux, A.; Bunnell, S.C.; Shao, F.; Green, D.R.; et al. Caspase-8 Induces Cleavage of Gasdermin D to Elicit Pyroptosis during Yersinia Infection. Proc. Natl. Acad. Sci. USA 2018, 115, E10888–E10897.
  137. Burgener, S.S.; Leborgne, N.G.F.; Snipas, S.J.; Salvesen, G.S.; Bird, P.I.; Benarafa, C. Cathepsin G Inhibition by Serpinb1 and Serpinb6 Prevents Programmed Necrosis in Neutrophils and Monocytes and Reduces GSDMD-Driven Inflammation. Cell Rep. 2019, 27, 3646–3656.e5.
  138. Sollberger, G.; Tilley, D.O.; Zychlinsky, A. Neutrophil Extracellular Traps: The Biology of Chromatin Externalization. Dev. Cell 2018, 44, 542–553.
  139. Rathinam, V.A.K.; Vanaja, S.K.; Waggoner, L.; Sokolovska, A.; Becker, C.; Stuart, L.M.; Leong, J.M.; Fitzgerald, K.A. TRIF Licenses Caspase-11-Dependent NLRP3 Inflammasome Activation by Gram-Negative Bacteria. Cell 2012, 150, 606–619.
  140. Rühl, S.; Broz, P. Caspase-11 Activates a Canonical NLRP3 Inflammasome by Promoting K+ Efflux. Eur. J. Immunol. 2015, 45, 2927–2936.
  141. Yap, J.K.Y.; Moriyama, M.; Iwasaki, A. Inflammasomes and Pyroptosis as Therapeutic Targets for COVID-19. J. Immunol. 2020, 205, 307–312.
  142. Tan, Y.; Chen, Q.; Li, X.; Zeng, Z.; Xiong, W.; Li, G.; Li, X.; Yang, J.; Xiang, B.; Yi, M. Pyroptosis: A New Paradigm of Cell Death for Fighting against Cancer. J. Exp. Clin. Cancer Res. 2021, 40, 153.
  143. Hachim, M.Y.; Khalil, B.A.; Elemam, N.M.; Maghazachi, A.A. Pyroptosis: The Missing Puzzle among Innate and Adaptive Immunity Crosstalk. J. Leukoc. Biol. 2020, 108, 323–338.
  144. Guo, Y.; Li, L.; Xu, T.; Guo, X.; Wang, C.; Li, Y.; Yang, Y.; Yang, D.; Sun, B.; Zhao, X.; et al. HUWE1 Mediates Inflammasome Activation and Promotes Host Defense against Bacterial Infection. J. Clin. Investig. 2020, 130, 6301–6316.
  145. Huang, C.; Wang, Y.; Li, X.; Ren, L.; Zhao, J.; Hu, Y.; Zhang, L.; Fan, G.; Xu, J.; Gu, X.; et al. Clinical Features of Patients Infected with 2019 Novel Coronavirus in Wuhan, China. Lancet 2020, 395, 497–506.
  146. Yang, C.-A.; Chiang, B.-L. Inflammasomes and Childhood Autoimmune Diseases: A Review of Current Knowledge. Clin. Rev. Allerg. Immunol. 2020, 61, 1–15.
  147. Zhang, J.; Wu, H.; Yao, X.; Zhang, D.; Zhou, Y.; Fu, B.; Wang, W.; Li, H.; Wang, Z.; Hu, Z.; et al. Pyroptotic Macrophages Stimulate the SARS-CoV-2-Associated Cytokine Storm. Cell Mol. Immunol. 2021, 18, 1305–1307.
  148. Jorgensen, I.; Rayamajhi, M.; Miao, E.A. Programmed Cell Death as a Defence against Infection. Nat. Rev. Immunol. 2017, 17, 151–164.
  149. Dixon, S.J.; Lemberg, K.M.; Lamprecht, M.R.; Skouta, R.; Zaitsev, E.M.; Gleason, C.E.; Patel, D.N.; Bauer, A.J.; Cantley, A.M.; Yang, W.S.; et al. Ferroptosis: An Iron-Dependent Form of Nonapoptotic Cell Death. Cell 2012, 149, 1060–1072.
  150. Brinkmann, V.; Reichard, U.; Goosmann, C.; Fauler, B.; Uhlemann, Y.; Weiss, D.S.; Weinrauch, Y.; Zychlinsky, A. Neutrophil Extracellular Traps Kill Bacteria. Science 2004, 303, 1532–1535.
  151. Tarayrah-Ibraheim, L.; Maurice, E.C.; Hadary, G.; Ben-Hur, S.; Kolpakova, A.; Braun, T.; Peleg, Y.; Yacobi-Sharon, K.; Arama, E. DNase II Mediates a Parthanatos-like Developmental Cell Death Pathway in Drosophila Primordial Germ Cells. Nat. Commun. 2021, 12, 2285.
  152. Green, D.R. The Coming Decade of Cell Death Research: Five Riddles. Cell 2019, 177, 1094–1107.
  153. Ashida, H.; Mimuro, H.; Ogawa, M.; Kobayashi, T.; Sanada, T.; Kim, M.; Sasakawa, C. Cell Death and Infection: A Double-Edged Sword for Host and Pathogen Survival. J. Cell Biol. 2011, 195, 931–942.
  154. Adler, B.; Adler, H. Type I Interferon Signaling and Macrophages: A Double-Edged Sword? Cell. Mol. Immunol. 2021, 1–2.
  155. Hadjadj, J.; Yatim, N.; Barnabei, L.; Corneau, A.; Boussier, J.; Smith, N.; Péré, H.; Charbit, B.; Bondet, V.; Chenevier-Gobeaux, C.; et al. Impaired Type I Interferon Activity and Inflammatory Responses in Severe COVID-19 Patients. Science 2020, 369, 718–724.
  156. Channappanavar, R.; Fehr, A.R.; Zheng, J.; Wohlford-Lenane, C.; Abrahante, J.E.; Mack, M.; Sompallae, R.; McCray, P.B.; Meyerholz, D.K.; Perlman, S. IFN-I Response Timing Relative to Virus Replication Determines MERS Coronavirus Infection Outcomes. J. Clin. Investig. 2019, 129, 3625–3639.
  157. Peignier, A.; Parker, D. Impact of Type I Interferons on Susceptibility to Bacterial Pathogens. Trends Microbiol. 2021, 29, 823–835.
  158. Li, Y.; Guo, X.; Hu, C.; Du, Y.; Guo, C.; Wang, D.; Zhao, W.; Huang, G.; Li, C.; Lu, Q.; et al. Type I IFN Operates Pyroptosis and Necroptosis during Multidrug-Resistant, A. Baumannii Infection. Cell Death Differ. 2018, 25, 1304–1318.
  159. Mancuso, G.; Midiri, A.; Biondo, C.; Beninati, C.; Zummo, S.; Galbo, R.; Tomasello, F.; Gambuzza, M.; Macrì, G.; Ruggeri, A.; et al. Type I IFN Signaling Is Crucial for Host Resistance against Different Species of Pathogenic Bacteria. J. Immunol. 2007, 178, 3126–3133.
  160. Watanabe, T.; Asano, N.; Fichtner-Feigl, S.; Gorelick, P.L.; Tsuji, Y.; Matsumoto, Y.; Chiba, T.; Fuss, I.J.; Kitani, A.; Strober, W. NOD1 Contributes to Mouse Host Defense against Helicobacter Pylori via Induction of Type I IFN and Activation of the ISGF3 Signaling Pathway. J. Clin. Investig. 2010, 120, 1645–1662.
  161. Lippmann, J.; Müller, H.C.; Naujoks, J.; Tabeling, C.; Shin, S.; Witzenrath, M.; Hellwig, K.; Kirschning, C.J.; Taylor, G.A.; Barchet, W.; et al. Dissection of a Type I Interferon Pathway in Controlling Bacterial Intracellular Infection in Mice. Cell. Microbiol. 2011, 13, 1668–1682.
  162. Ruangkiattikul, N.; Rys, D.; Abdissa, K.; Rohde, M.; Semmler, T.; Tegtmeyer, P.-K.; Kalinke, U.; Schwarz, C.; Lewin, A.; Goethe, R. Type I Interferon Induced by TLR2-TLR4-MyD88-TRIF-IRF3 Controls Mycobacterium Abscessus Subsp. Abscessus Persistence in Murine Macrophages via Nitric Oxide. Int. J. Med. Microbiol. 2019, 309, 307–318.
  163. Sebina, I.; Haque, A. Effects of Type I Interferons in Malaria. Immunology 2018, 155, 176–185.
  164. Seyedmousavi, S.; Davis, M.J.; Sugui, J.A.; Pinkhasov, T.; Moyer, S.; Salazar, A.M.; Chang, Y.C.; Kwon-Chung, K.J. Exogenous Stimulation of Type I Interferon Protects Mice with Chronic Granulomatous Disease from Aspergillosis through Early Recruitment of Host-Protective Neutrophils into the Lung. mBio 2018, 9, e00422-18.
  165. Nagarajan, U.M.; Prantner, D.; Sikes, J.D.; Andrews, C.W.; Goodwin, A.M.; Nagarajan, S.; Darville, T. Type I Interferon Signaling Exacerbates Chlamydia Muridarum Genital Infection in a Murine Model. Infect. Immun. 2008, 76, 4642–4648.
  166. Wang, J.; Hussain, T.; Zhang, K.; Liao, Y.; Yao, J.; Song, Y.; Sabir, N.; Cheng, G.; Dong, H.; Li, M.; et al. Inhibition of Type I Interferon Signaling Abrogates Early Mycobacterium Bovis Infection. BMC Infect. Dis. 2019, 19, 1031.
  167. Lee, B.; Robinson, K.M.; McHugh, K.J.; Scheller, E.V.; Mandalapu, S.; Chen, C.; Di, Y.P.; Clay, M.E.; Enelow, R.I.; Dubin, P.J.; et al. Influenza-Induced Type I Interferon Enhances Susceptibility to Gram-Negative and Gram-Positive Bacterial Pneumonia in Mice. Am. J. Physiol. Lung. Cell Mol. Physiol. 2015, 309, L158–L167.
  168. Henry, T.; Kirimanjeswara, G.S.; Ruby, T.; Jones, J.W.; Peng, K.; Perret, M.; Ho, L.; Sauer, J.-D.; Iwakura, Y.; Metzger, D.W.; et al. Type I IFN Signaling Constrains IL-17A/F Secretion by Gammadelta T Cells during Bacterial Infections. J. Immunol. 2010, 184, 3755–3767.
  169. Lu, C.; Zhang, X.; Ma, C.; Xu, W.; Gan, L.; Cui, J.; Yin, Y.; Wang, H. Nontypeable Haemophilus Influenzae DNA Stimulates Type I Interferon Expression via STING Signaling Pathway. Biochim. Biophys. Acta (BBA) -Mol. Cell Res. 2018, 1865, 665–673.
  170. Deriu, E.; Boxx, G.M.; He, X.; Pan, C.; Benavidez, S.D.; Cen, L.; Rozengurt, N.; Shi, W.; Cheng, G. Influenza Virus Affects Intestinal Microbiota and Secondary Salmonella Infection in the Gut through Type I Interferons. PLoS Pathog. 2016, 12, e1005572.
  171. Riedelberger, M.; Penninger, P.; Tscherner, M.; Seifert, M.; Jenull, S.; Brunnhofer, C.; Scheidl, B.; Tsymala, I.; Bourgeois, C.; Petryshyn, A.; et al. Type I Interferon Response Dysregulates Host Iron Homeostasis and Enhances Candida Glabrata Infection. Cell Host Microbe 2020, 27, 454–466.e8.
  172. Chessler, A.-D.C.; Caradonna, K.L.; Da’dara, A.; Burleigh, B.A. Type I Interferons Increase Host Susceptibility to Trypanosoma Cruzi Infection. Infect. Immun. 2011, 79, 2112–2119.
  173. Pagliuso, A.; Tham, T.N.; Allemand, E.; Robertin, S.; Dupuy, B.; Bertrand, Q.; Bécavin, C.; Koutero, M.; Najburg, V.; Nahori, M.-A.; et al. An RNA-Binding Protein Secreted by a Bacterial Pathogen Modulates RIG-I Signaling. Cell Host Microbe 2019, 26, 823–835.e11.
  174. Pitts, M.G.; Myers-Morales, T.; D’Orazio, S.E.F. Type I IFN Does Not Promote Susceptibility to Foodborne Listeria Monocytogenes. J. Immunol. 2016, 196, 3109–3116.
  175. Hiruma, T.; Tsuyuzaki, H.; Uchida, K.; Trapnell, B.C.; Yamamura, Y.; Kusakabe, Y.; Totsu, T.; Suzuki, T.; Morita, S.; Doi, K.; et al. IFN-β Improves Sepsis-Related Alveolar Macrophage Dysfunction and Postseptic Acute Respiratory Distress Syndrome-Related Mortality. Am. J. Respir. Cell Mol. Biol. 2018, 59, 45–55.
  176. Pylaeva, E.; Bordbari, S.; Spyra, I.; Decker, A.S.; Häussler, S.; Vybornov, V.; Lang, S.; Jablonska, J. Detrimental Effect of Type I IFNs during Acute Lung Infection With Pseudomonas Aeruginosa Is Mediated Through the Stimulation of Neutrophil NETosis. Front. Immunol. 2019, 10, 2190.
  177. Robinson, N.; McComb, S.; Mulligan, R.; Dudani, R.; Krishnan, L.; Sad, S. Type I Interferon Induces Necroptosis in Macrophages during Infection with Salmonella Enterica Serovar Typhimurium. Nat. Immunol. 2012, 13, 954–962.
  178. Agbayani, G.; Wachholz, K.; Murphy, S.P.; Sad, S.; Krishnan, L. Type I Interferons Differentially Modulate Maternal Host Immunity to Infection by Listeria Monocytogenes and Salmonella Enterica Serovar Typhimurium during Pregnancy. Am. J. Reprod. Immunol. 2019, 81, e13068.
  179. Patel, A.A.; Lee-Lewis, H.; Hughes-Hanks, J.; Lewis, C.A.; Anderson, D.M. Opposing Roles for Interferon Regulatory Factor-3 (IRF-3) and Type I Interferon Signaling during Plague. PLoS Pathog. 2012, 8, e1002817.
  180. Frantz, R.; Teubner, L.; Schultze, T.; La Pietra, L.; Müller, C.; Gwozdzinski, K.; Pillich, H.; Hain, T.; Weber-Gerlach, M.; Panagiotidis, G.-D.; et al. The SecRNome of Listeria Monocytogenes Harbors Small Noncoding RNAs That Are Potent Inducers of Beta Interferon. mBio 2019, 10, e01223-19.
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    Chen, S. Intracellular Sensors——Nod-like Receptors. Encyclopedia. Available online: (accessed on 04 July 2022).
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