نتایج جستجو برای: cell surface tlrs
تعداد نتایج: 2204698 فیلتر نتایج به سال:
Infection of macrophages by bacterial pathogens can trigger Toll-like receptor (TLR) activation as well as Nod-like receptors (NLRs) leading to inflammasome formation and cell death dependent on caspase-1 (pyroptosis). Complicating the study of inflammasome activation is priming. Here, we develop a priming-free NLRC4 inflammasome activation system to address the necessity and role of priming in...
Integrins contribute to lymphopoiesis, whereas Toll-like receptors (TLRs) facilitate the myeloid replenishment during inflammation. The combined role of TLRs and integrin on hematopoiesis remains unclear. gp96 (grp94, HSP90b1) is an endoplasmic reticulum master chaperone for multiple TLRs. We report herein that gp96 is also essential for expression of 14 hematopoietic system-specific integrins....
Mammalian TLRs are central mediators of the innate immune system that instruct cells of the innate and adaptive response to clear microbial infections. Here, we demonstrate that human epithelial TLR4 directly protected the oral mucosa from fungal infection via a process mediated by polymorphonuclear leukocytes (PMNs). In an in vitro epithelial model of oral candidiasis, the fungal pathogen Cand...
Condyloma acuminatum (CA) is a common sexually transmitted disease caused by human papillomavirus (HPV) infection. Previous studies have identified that the occurrence, relapse and cancerization of CA is relevant to immune imbalance caused by immune hypofunction or immunoregulatory dysfunction. However, to date, the specific mechanisms accounting for immune imbalance in CA patients have remaine...
BACKGROUND Early detection of microorganisms by the innate immune system is provided by surface-expressed and endosomal pattern recognition receptors (PRRs) such as Toll-like receptors (TLRs). Detection of microbial components by TLRs initiates a signaling cascade leading to the expression of proinflammatory cytokines including IL-6 and IL-1β. Some intracellular bacteria subvert the TLR respons...
Toll-like receptors (TLRs) represent the first line of host defense against microbial infection and play a pivotal role in both innate and adaptive immunity. TLRs recognize invading pathogens through molecular pattern recognition, transduce signals via distinct intracellular pathways involving a unique set of adaptor proteins and kinases, and ultimately lead to the activation of transcription f...
بیماری دیابت نوع 1، یک بیماری خودایمنی مختص اندام است که ناشی از تخریب سلول های بتای ترشح کننده انسولین پانکراسی به واسطه فعالیت لنفوسیتهای t پاتوژنیک می باشد؛ که در افرادی که از نظر ژنتیکی مستعد هستند، بروز می کند. مطالعات اخیر نشان داده اند که پاسخ های ایمنی ذاتی توسط گیرنده های شناسایی الگو(prrs) که مهمترین آنها گیرنده های شبه تول (tlrs) می باشند، القاء شده و می توانند در ایجاد دیابت نوع 1 م...
The outcome of sepsis and septic shock has not significantly improved in recent decades despite the development of numerous drugs and supportive care therapies. To reduce sepsis-related mortality, a better understanding of molecular mechanism(s) associated with the development of sepsis and sepsis-related organ injury is essential. There is increasing evidence that Toll-like receptors (TLRs) pl...
In July 2022, a new virus called Langya (LayV) was discovered in China patients who had fever. This is type of Henipavirus (HNV) and considered potential threat as it could spread from animals to humans. It causes respiratory disease with symptoms including fever, coughing, fatigue closely linked two other henipaviruses that are known infect humans, namely Hendra Nipah viruses. These viruses ma...
Toll-like receptors (TLRs) have generated an extraordinary amount of interest in cancer research since the last decade. TLRs are a family of pattern recognition receptors that is involved in the host defense against microbial infections. It is well known that the activation of TLRs leads to the production of biological factors that drive inflammatory responses and activate the adaptive immune s...
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