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Topic Review
Emerging Therapies and Therapeutics for Atopic Dermatitis
Atopic dermatitis (AD) is an inflammatory skin condition that frequently develops before the onset of allergic rhinitis or asthma. More than 10% of children are affected by this serious skin condition, which is painful for the sufferers. Recent research has connected the environment, genetics, the skin barrier, drugs, psychological factors, and the immune system to the onset and severity of AD. The causes and consequences of AD and its cellular and molecular origins are reviewed in this paper. The exploration of interleukins and their influence on the immunological pathway in AD has been facilitated by using relevant biomarkers in clinical trials.
  • 39
  • 02 Apr 2024
Topic Review
Staphylococcus aureus-Derived Extracellular Vesicles and Atopic Dermatitis Pathophysiology
Atopic dermatitis (AD) is a chronic and relapsing inflammatory cutaneous disease. The role of host defense and microbial virulence factors in Staphylococcus aureus skin colonization, infection, and inflammation perpetuation in AD remains an area of current research focus. Extracellular vesicles (EV) mediate cell-to-cell communication by transporting and delivering bioactive molecules, such as nucleic acids, proteins, and enzymes, to recipient cells. Staphylococcus aureus spontaneously secretes extracellular vesicles (SA-derived EVs), which spread throughout the skin layers. Research has shown that SA-derived EVs from AD patients can trigger cytokine secretion in keratinocytes, shape the recruitment of neutrophils and monocytes, and induce inflammatory AD-type lesions in mouse models, in addition to their role as exogenous worsening factors for the disease. 
  • 40
  • 22 Mar 2024
Topic Review
Microbiota–Immunity–Hormone Interactions on Autoimmune Diseases and Infection
The immune system has to develop to defend against pathogens while simultaneously tolerating the beneficial microorganisms that coexist symbiotically with the host. Moreover, the microbiota in the large intestine plays a significant role in preserving mucosal and systemic homeostasis. The interaction between the large intestine microbiota and local immune cells is crucial for directing specific immune responses and, consequently, for performing immunomodulatory functions.
  • 47
  • 21 Mar 2024
Topic Review
ATF4 Role during HIV-1 Replication
Activating transcription factor 4 (ATF4) is a transcription factor known to regulate genes associated with the sensing of cellular stress such as amino acid deprival, protein misfolding, growth arrest, and cell death. Despite its key role at the crossroads of immune and stress responses, the precise impact of ATF4 during viral infections remains unclear. Thus, ATF4 has a dual role in promoting cell survival or cell death, but also in limiting infection or participating in viral replication.
  • 53
  • 18 Mar 2024
Topic Review
lncRNAs in NF-κB-Mediated Macrophage Inflammation
Molecular biology’s focus has transitioned from proteins to DNA, and now to RNA. Once considered merely a genetic information carrier, RNA is now recognized as both a vital element in early cellular life and a regulator in complex organisms. Long noncoding RNAs (lncRNAs), which are over 200 bases long but do not code for proteins, play roles in gene expression regulation and signal transduction by inducing epigenetic changes or interacting with various proteins and RNAs. These interactions exhibit a range of functions in various cell types, including macrophages. Notably, some macrophage lncRNAs influence the activation of NF-κB, a crucial transcription factor governing immune and inflammatory responses. Macrophage NF-κB is instrumental in the progression of various pathological conditions including sepsis, atherosclerosis, cancer, autoimmune disorders, and hypersensitivity.
  • 51
  • 12 Mar 2024
Topic Review
Mesenchymal Stromal Cells from Dental and Periodontal Tissues
Mesenchymal stem/stromal cells (MSCs) are multipotent cells located in different areas of the human body. The oral cavity is considered a potential source of MSCs because they have been identified in several dental tissues (D-MSCs). Clinical trials in which cells from these sources were used have shown that they are effective and safe as treatments for tissue regeneration. Importantly, immunoregulatory capacity has been observed in all of these populations. Since this property is of clinical interest for cell therapy protocols, it is relevant to analyze the differences in immunoregulatory capacity, as well as the mechanisms used by each type of MSC. Interestingly, D-MSCs are the most suitable source for regenerating mineralized tissues in the oral region. Furthermore, the clinical potential of D-MSCs is supported due to their adequate capacity for proliferation, migration, and differentiation. There is also evidence for their potential application in protocols against autoimmune diseases and other inflammatory conditions due to their immunosuppressive capacity.
  • 64
  • 11 Mar 2024
Topic Review
The Host Response to Coccidioidomycosis
Coccidioidomycosis is an important fungal disease that is found in many desert regions of the western hemisphere.
  • 60
  • 07 Mar 2024
Topic Review
Host Immune Responses to Trypanosomes
The mammalian host’s innate and adaptive immune systems are both key to successfully resisting or controlling trypanosomosis. When trypanosomes are inoculated into the mammalian hosts by a blood-feeding insect such as a tsetse fly, the first contact between the trypanosome and host occurs in the skin. Here, a chancre often develops at the dermal inoculation site. Intense innate immune reactions, cellular reactions, and edema formation accompany these chancres. Thereafter, parasites start to circulate through the blood or lymph, invading lymphatic tissues and various organs. There, the trypanosomes again encounter various innate immune components before being confronted with the adaptive immune system. Once entered into the circulation stage of infection, trypanosomes are going to encounter responses from macrophages and B cells, as well as the T helper compartment that links these two.
  • 60
  • 07 Mar 2024
Topic Review
Interconnection between Inflammation, Epigenetics and Nutrition in Cancer
Inflammation is a key contributor to both the initiation and progression of tumors, and it can be triggered by genetic instability within tumors, as well as by lifestyle and dietary factors. The inflammatory response plays a critical role in the genetic and epigenetic reprogramming of tumor cells, as well as in the cells that comprise the tumor microenvironment. Cells in the microenvironment acquire a phenotype that promotes immune evasion, progression, and metastasis.
  • 69
  • 07 Mar 2024
Topic Review
Complement Dysregulation in Glaucoma Patients
Glaucoma is a progressive neurodegenerative disease characterized by damage to the optic nerve that results in irreversible vision loss. While the exact pathology of glaucoma is not well understood, emerging evidence suggests that dysregulation of the complement system, a key component of innate immunity, plays a crucial role. In glaucoma, dysregulation of the complement cascade and impaired regulation of complement factors contribute to chronic inflammation and neurodegeneration.
  • 71
  • 04 Mar 2024
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