نتایج جستجو برای: tlr2
تعداد نتایج: 4590 فیلتر نتایج به سال:
PURPOSE Toll-like receptor 2 (TLR2) is a transmembrane receptor that mediates immune responses to exogenous and endogenous ligands, and interacts with heat-shock proteins, which are reportedly involved in normal tension glaucoma (NTG). We investigated whether TLR2 polymorphisms are associated with NTG. METHODS 200 Japanese patients with NTG and 128 healthy Japanese controls were recruited. We...
مقدمه تشخیص به هنگام سپسیس باکتریال از اهمیت بسزائی برخوردار است، که نظر به موارد نتایج منفی کشت، هدفی دشوار به نظر می رسد. اما بررسی عواملی از جمله مولکولهای بیان کننده TLR ممکن است تا حدی کمک کننده باشد. هدف از مطالعه حاضر بررسی بیان ژنهای TLR2وTLR4 در سلولهای تک هسته ای خون بیماران سپسیس باکتریال با کشت خون منفی در مقایسه با جمعیت سالم جهت افتراق سپسیس باکتریال کشت منفی گرم مثبت از گرم منفی...
Paratuberculosis is a chronic intestinal infection in ruminants, caused by Mycobacterium avium subspecies paratuberculosis (Map). To study the role of host genetics in disease susceptibility, the Toll-like receptor 2 (TLR2) gene, selected based on its potential role in immunity to mycobacterial infections, was analyzed for single nucleotide polymorphisms (SNP) and their potential association wi...
Activation of microglial cells in response to brain injury and/or immune stimuli is associated with a marked induction of Toll-like receptors (TLRs). While in adult brain, the contribution of individual TLRs, including TLR2, in pathophysiological cascades has been well established, their role and spatial and temporal induction patterns in immature brain are far less understood. To examine wheth...
AIMS To investigate the role of Toll-like receptor 2 (TLR2) in uncomplicated acute myocardial infarction (AMI) and in cardiogenic shock (CS). METHODS AND RESULTS In patients with uncomplicated AMI (n = 20), CS (n = 30) and in age-matched healthy controls (HC; n = 20), TLR2 expression on monocytes was assessed by flow cytometry. Tumour necrosis factor alpha (TNFα) and interleukin-6 (IL6) expre...
In order to explore the role of innate immunity in the remodeling of CRS (chronic rhinosinusitis), we investigated the correlation between TLR2, TLR4 and remodeling involved cytokines and histopathological features. Immunohistochemical staining was applied to detect the expression of TLR2, TLR4 and TGF-β1. Masson staining was used for observing the collagen deposition. The other histopathologic...
our previous study reported that lactobacillus acidophilus ( l.acidophilus ) key laboratory of dairy science (klds) 1.0738 had an effective impact on inhibiting β-lactoglobulin (β-lg) allergy. this study further investigated the anti-allergic activity of peptidoglycan (pgn) isolated from klds 1.0738. this study aimed to assess whether toll-like receptor 2 (tlr2)/nf-kappab (nf-κb) signaling ac...
Cell-surface Toll-like receptors (TLRs) initiate innate immune responses, such as inducible nitric oxide synthase (iNOS) induction, to microorganisms' surface pathogens. TLR2 and TLR4 play important roles in gastric mucosa infected with Helicobacter pylori (H. pylori), which contains lipopolysaccharide (LPS) as a pathogen. The present study investigates their physiological roles in the innate i...
BACKGROUND The recognition of microbial molecular patterns via toll-like receptors (TLRs) is critical for mucosal defenses. METHODS Using well-differentiated primary cultures of human airway epithelia, we investigated the effects of exposure of the cells to cytokines (TNF-alpha and IFN-gamma) and dexamethasone (dex) on responsiveness to the TLR2/TLR1 ligand Pam3CSK4. Production of IL-8, CCL20...
Detection of microbes by TLRs on the plasma membrane leads to the induction of proinflammatory cytokines such as TNF-α, via activation of NF-κB. Alternatively, activation of endosomal TLRs leads to the induction of type I IFNs via IFN regulatory factors (IRFs). TLR4 signaling from the plasma membrane to NF-κB via the Toll/IL-1R (TIR) adaptor protein MyD88 requires the TIR sorting adaptor Mal, w...
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