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Toll-like receptors Universiteit Antwerpen Vrije Universiteit Brussel KU Leuven Universiteit Gent
Myocarditis is an inflammatory disease of the heart with viral infections being the most common aetiology. Its complex biology remains poorly understood and its clinical management is one of the most challenging in the field of cardiology. Toll-like receptors (TLRs), a family of evolutionarily conserved pattern recognition receptors, are increasingly known to be implicated in the pathophysiology of viral myocarditis. Their central role in innate ...
Increased Inflammatory Gene Expression in ABC Transporter-Deficient Macrophages Free Cholesterol Accumulation, Increased Signaling via Toll-Like Receptors, and Neutrophil Infiltration of Atherosclerotic Lesions Universiteit Gent
Background-Two macrophage ABC transporters, ABCA1 and ABCG1, have a major role in promoting cholesterol efflux from macrophages. Peritoneal macrophages deficient in ABCA1, ABCG1, or both show enhanced expression of inflammatory and chemokine genes. This study was undertaken to elucidate the mechanisms and consequences of enhanced inflammatory gene expression in ABC transporter-deficient macrophages. Methods and Results-Basal and ...
Toll-like receptors 2 and 4 modulate autonomic control of heart rate and energy metabolism Universiteit Antwerpen
Toll-like receptors (TLR) are innate immune receptors typically activated by microbial-associated molecular patterns (MAMPs) during infection or damage-associated molecular patterns (DAMPs) as a result of tissue injury. Recent findings suggest that TLR2 and TLR4 signaling play important roles in developmental and adult neuroplasticity, and in learning and memory. In addition, activation of TLR2 and TLR4 worsens ischemic injury to the heart and ...
Gene polymorphisms of Toll-like and related recognition receptors relation to the vaginal carriage of Gardnerella vaginalis and Atopobium vaginae Universiteit Gent
Host genetic factors have previously been found to act as determinants of differential susceptibility to major infectious diseases. It is less clear whether such polymorphisms may also impose on pathogen recognition in mucosal overgrowth conditions such as bacterial vaginosis, an anaerobic overgrowth condition characterised by the presence of a vaginal biofilm consisting of the Gram-positive anaerobes Gardnerella vaginalis and Atopobium vaginae. ...
Genetic Variation in TLR10, an Inhibitory Toll-Like Receptor, Influences Susceptibility to Complicated Skin and Skin Structure Infections Universiteit Hasselt
Background. Toll-like receptors (TLRs) play a central role in the innate immune response to complicated skin and skin structure infections (cSSSIs), with TLR10 being the first family member known to have an inhibitory function. This study assessed the role of TLR10 in recognition of cSSSI-related pathogens and whether genetic variation in TLR10 influences susceptibility to cSSSIs. Methods. Human peripheral blood mononuclear cells (PBMCs) ...
A systematic literature review on the effects of exercise on human Toll-like receptor expression Vrije Universiteit Brussel
BACKGROUND: Toll-like receptors (TLRs) are a family of transmembrane pattern recognition receptors that are mainly expressed on immune cells. Recognition of various exogenous and endogenous molecular patterns activates the TLR signalling cascade, which orchestrates an inflammatory immune response. Dysfunctional immune responses, including aberrant TLR signalling, are increasingly implicated in the associations between sedentarism, chronic ...
Dependence of pathogen molecule-induced Toll-like receptor activation and cell function on Neu1 sialidase Universiteit Gent
The signaling pathways of mammalian Toll-like receptors (TLR) are well characterized, but the initial molecular mechanisms activated following ligand interactions with the receptors remain poorly defined. Here, we show a membrane controlling mechanism that is initiated by ligand binding to TLR-2, -3 and-4 to induce Neu1 sialidase activity within minutes in live primary bone marrow (BM) macrophage cells and macrophage and dendritic cell lines. ...
Retroviral Vectors Induce Epigenetic Chromatin Modifications and IL-10 Production in Transduced B Cells via Activation of Toll-like Receptor 2. Vrije Universiteit Brussel
The immune response toward viral vectors used for gene therapy and genetic vaccination appears to be critically important in determining the therapeutic outcome. However, the mechanisms that control the immune response following gene transfer are poorly understood. Unexpectedly, we found that integrating retroviral vector particles induce stable interleukin-10 (IL-10) production in murine (BALB/c H-2(d)) transduced B cells. This requires a novel ...