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Topic Review
MYC Deregulation in Burkitt Lymphoma
MYC deregulation, a cardinal event in Burkitt lymphoma (BL) pathogenesis, necessitates the elucidation of the molecular mechanisms governing MYC activation to devise innovative and effective therapeutic strategies.
  • 191
  • 20 Jul 2023
Topic Review
Porphyromonas gingivalis during Periodontitis Pathogenesis
Periodontitis is a non-communicable chronic inflammatory disease characterized by the progressive and irreversible breakdown of the soft periodontal tissues and resorption of teeth-supporting alveolar bone. The etiology of periodontitis involves dysbiotic shifts in the diversity of microbial communities inhabiting the subgingival crevice, which is dominated by anaerobic Gram-negative bacteria, including Porphyromonas gingivalis. Indeed, P. gingivalis is a keystone pathogen with a repertoire of attributes that allow it to colonize periodontal tissues and influence the metabolism, growth rate, and virulence of other periodontal bacteria. The pathogenic potential of P. gingivalis has been traditionally analyzed using classical biochemical and molecular approaches.
  • 391
  • 31 Jan 2023
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. 
  • 39
  • 22 Mar 2024
Topic Review
Teleostei Innate Immune System
The innate immune system is the first line of defense in multicellular organisms. Danio rerio is widely considered a promising model for IIS-related research, with the most amount of scRNAseq data available among Teleostei.
  • 95
  • 29 Dec 2023
Topic Review
Trypanosoma cruzi Congenital Transmission
Chagas disease, initiated by the etiological agent Trypanosoma cruzi, is an endemic infection in the American continent. Although vectorial transmission of T. cruzi is recognized as the main mode of infection, other routes such as congenital and blood transfusion are also documented as important methods of transmission. T. cruzi maternal–fetal transmission has been recorded in humans and examined by some investigators in naturally and experimentally infected mammals. 
  • 402
  • 08 Nov 2022
Topic Review
A Mycobacteriophage-Based Vaccine Platform for SARS-CoV-2
Bacteriophage-based vaccines can generate a protective immune response by safely introducing foreign antigens displayed on, encapsidated within, or genetically encoded by phage. Here authors describe recombinants of mycobacteriophage Bxb1 (a phage infecting Mycobacterium smegmatis) that covalently display and express antigenic peptides of the SARS-CoV-2 Spike protein. Several of these vaccine candidates produced Spike-specific antibodies in immunized mice, but the responses were not neutralizing. This mycobacteriophage-based vaccine platform can likely be improved if delivery of larger antigens is achieved. 
  • 445
  • 06 Dec 2021
Topic Review
A Novel Innate Immune Regulatory Player: LncRNAs
Long non-coding RNAs (lncRNAs) represent crucial transcriptional and post-transcriptional gene regulators during antimicrobial responses in the host innate immune system. Studies have shown that lncRNAs are expressed in a highly tissue- and cell-specific- manner and are involved in the differentiation and function of innate immune cells, as well as inflammatory and antiviral processes, through versatile molecular mechanisms. These lncRNAs function via the interactions with DNA, RNA, or protein in either cis or trans pattern, relying on their specific sequences or their transcriptions and processing. The dysregulation of lncRNA function is associated with various human non-infectious diseases, such as inflammatory bowel disease, cardiovascular diseases, and diabetes mellitus. Here, we provide an overview of the regulation and mechanisms of lncRNA function in the development and differentiation of innate immune cells, and during the activation or repression of innate immune responses. These elucidations might be beneficial for the development of therapeutic strategies targeting inflammatory and innate immune-mediated diseases.
  • 731
  • 09 Oct 2021
Topic Review
A Telemedicine Approach to Covid-19
        COVID-19 is an RNA virus that has caused a pandemic leading to death and disability on a global scale. The virus gains entry into the cell using host protein angiotensin-converting enzyme-2 (ACE-2) receptor. The viral envelope fuses with the cell membrane through the endosomal pathway, allowing the viral particle to enter the host cell, where it can release its RNA and replicate. After an initial asymptomatic period, common presenting signs and symptoms of COVID-19 infection are non-specific and may include those of a common cold or influenza such as fever, dry cough, myalgia, headache and fatigue. Sore throat and nasal congestion may also be noted. Gastrointestinal and other symptoms may occur and loss of sense of taste and smell is a frequent early symptom that may distinguish COVID-19 from other respiratory infections. The virus is highly contagious and there is no cure. In order to avoid transmission, social distancing, mask wearing and reduced person-to-person interaction are key.  Definitive diagnosis is based on reverse-transcription PCR of nasopharyngeal and oropharyngeal swab samples. The clinical spectrum of the disease ranges from mild to moderate or severe. In order to minimize spread of COVID-19 to both patients and healthcare workers, virtual evaluation of suspected cases is being widely implemented and has necessitated an adjustment to the new medium by all participants. The use of virtual technology for real-time telemedicine assessment for COVID-19 provisional diagnosis and categorization of severity allows patients to receive an appropriate level of care without endangering others. We created a protocol for implementing a remote visit using a computer or mobile device. This enables patient assessement without direct contact to determine the need to visit a healthcare facility or alternatively, to be managed at home. If stable, the patient can isolate and be monitored so that should their condition worsen, they can be directed to in-person care at a hospital. Vigilance in checking on the patient's condition is crucial because those who develop severe COVID-19 may not experience dyspnea and other signs of rapid deterioration until about 5-8 days after symptom onset.  
  • 784
  • 04 Feb 2021
Topic Review
Acquired Cytomegalovirus Infection Hearing Loss
Congenital cytomegalovirus (CMV) infection induces a clinical syndrome usually associated with hearing loss. However, the effect of acquired CVM infection in adults and children has not been clearly defined.
  • 2.0K
  • 28 Dec 2020
Topic Review
Acute-on-Chronic Liver Failure
Acute-on-chronic liver failure (ACLF) is a complex syndrome that develops in patients with cirrhosis and is characterized by acute decompensation, organ failure(s) and high short-term mortality. ACLF frequently occurs in close temporal relationship to a precipitating event, such as acute alcoholic, drug-induced or viral hepatitis or bacterial infection and, in cases without precipitating events, probably related to intestinal translocation of bacterial products. Dysbalanced immune function is central to its pathogenesis and outcome with an initial excessive systemic inflammatory response that drives organ failure and mortality. This hyperinflammatory state ultimately impairs the host defensive mechanisms of immune cells, rendering ACLF patients immunocompromised and more vulnerable to secondary infections, and therefore to higher organ dysfunction and mortality. (Draft for you)
  • 432
  • 24 Dec 2020
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