نتایج جستجو برای: nod2 protein
تعداد نتایج: 1236028 فیلتر نتایج به سال:
T he immune system acts as a shield against harmful microbes and requires exquisite control of the activation and resolution of multiple signaling pathways. Tight regulation of these processes is required not only to produce an effective response, but also to maintain immune homeostasis and prevent autoinflammatory disease. In the intestine, this process is further complicated by the residence ...
سابقه و هدف: ژن NOD2 به عنوان ژنی که ارتباطی قوی با بیماری کرون دارد، شناخته شده است. ولی جهش‌های این ژن در جمعیتهای مختلف، فراوانی‌های متفاوتی را نشان داده‌اند. هدف از مطالعه حاضر، تعیین توالی تمام اگزون‌های ژن NOD2 در بیماران ایرانی مبتلا به کرون بود تا جهش‌های موجود در این ژن را بیابیم و فراوانی هریک از آنها را در بیماری کرون در مقایسه با افراد شاهد بررسی نماییم. مواد و روش‌ها: در مطالعه تحل...
Host immune responses are crucial for combating enteropathogenic infections including Campylobacter jejuni. Within 1 week following peroral C. jejuni infection, secondary abiotic IL-10-/- mice develop severe immunopathological sequelae affecting the colon (ulcerative enterocolitis). In the present study, we addressed whether pathogen-induced pro-inflammatory immune responses could also be obser...
Crohn's disease (CD) is a genetically complex disease in which both genetic susceptibility and environmental factors play key roles in the development of the disorder. NOD2/CARD15 mutations are associated with CD. NOD2 encodes for a protein that is an intracellular receptor for a bacterial product (muramyl dipeptide), though the exact functional consequences of these mutations remain the subjec...
BACKGROUND Genetic and environmental factors influence susceptibility to Crohn's disease (CD): NOD2 is the strongest individual genetic determinant and smoking the best-characterised environmental factor. Carriage of NOD2 mutations predispose to small-intestinal, stricturing CD, a phenotype also associated with smoking. We hypothesised that cigarette smoke extract (CSE) altered NOD2 expression ...
NOD2 functions as an intracellular sensor for microbial pathogen and plays an important role in epithelial defense. The loss-of-function mutation of NOD2 is strongly associated with human Crohn's disease (CD). However, the mechanisms of how NOD2 maintains the intestinal homeostasis and regulates the susceptibility of CD are still unclear. Here we found that the numbers of intestinal intraepithe...
Cytoplasmic caspase recruiting domain (CARD)-containing molecules often function in the induction of potent antimicrobial responses in order to protect mammalian cells from invading pathogens. Retinoic acid-induced gene-I (RIG-I) and nucleotide binding oligomerization domain 2 (NOD2) serve as key factors in the detection of viral and bacterial pathogens, and in the subsequent initiation of inna...
Nucleotide-binding oligomerization domain 2 (NOD2) polymorphisms are independent risk factors for Crohn's disease and graft-versus-host disease (GVHD). In Crohn's disease, the proinflammatory state resulting from NOD2 mutations have been associated with a loss of antibacterial function of enterocytes such as paneth cells. NOD2 has not been studied in experimental allogeneic bone marrow transpla...
PURPOSE The innate immune receptor NOD2 is a genetic cause of uveitis (Blau syndrome). Intriguingly, in the intestine where polymorphisms of NOD2 predispose to Crohn's disease, NOD2 reportedly suppresses inflammation triggered by the bacterial cell wall component, peptidoglycan (PGN). Whether NOD2 exerts a similar capacity in the regulation of ocular inflammation to PGN has not been explored. ...
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