نتایج جستجو برای: مولکول های گیرنده شبه زنگوله ای tlr2
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The Toll-like receptor (TLR) family acts as pattern recognition receptors for pathogen-specific molecular patterns (PAMPs). TLR2 is essential for the signaling of a variety of PAMPs, including bacterial lipoprotein/lipopeptides, peptidoglycan, and GPI anchors. TLR6 associates with TLR2 and recognizes diacylated mycoplasmal lipopeptide along with TLR2. We report here that TLR1 associates with TL...
در این مقاله نانوذرات مغناطیسی اکسید آهن باروش همرسوبی سنتز شده و سطح آن به وسیله مولکول 2- آمینو 5- مرکاپتو1، 3، 4- تیا دیازول اصلاح شد و برای حذف رنگ آلی آبی نیل از آب های آلوده مورد بررسی قرارگرفت. نانوذرات به کمک روشهای دستگاهی XRD، FT-IR، TEM و آنالیز عنصری شناسایی شدند. مکانیسم و فاکتورهای موثر بر فرایند جذب مانند اثر زمان، pH و غلظت جاذب مؤثر بر جذب به روش دستهای مورد بررسی قرا...
Toll‑like receptor 2 (TLR2) has been identified as a sensor for bacterial lipoprotein. To determine the role of TLR2 in host defense against Acinetobacter baumannii infection, wild‑type (WT) and TLR2‑deficient mice were infected intranasally with A. baumannii. Body weight, cytokine and chemokine levels in bronchoalveolar (BAL) fluid and lung histopathology were examined. Body weight changes in ...
به دست آوردن پاسخ های تحلیلی معادلات موج در مکانیک کوانتومی به دلیل اهمیت این پاسخ ها در افزایش درک مفهومی ما از پدیده های فیزیکی حائز اهمیت بسیار می باشند. از سوی دیگر به دست آوردن پاسخ های معادله ی شرودینگر برای پتانسیل های با تقارن کروی در ابعاد دلخواه فضایی از همان روزهای آغازین پیدایش مکانیک کوانتومی غیر نسبیتی در کانون توجه بوده است. با وجود این که مدل نوسانگر هماهنگ ساده به صورت گسترده ا...
BACKGROUND An important role of TLR2 has been shown in various experimental models of renal ischaemia/reperfusion injury. To study the expression of TLR2 in renal allograft rejection systematically, we established an experimental rat transplantation model. METHODS TLR2 expression was analysed in 99 human renal allograft biopsies, and in rat allografts at Day 6 and 28 after experimental renal ...
Hog confinement workers are at high risk to develop chronic bronchitis as a result of their exposure to organic dust. Chronic bronchitis is characterized by inflammatory changes of the airway epithelium. A key mediator in inflammation is Toll-like receptor 2 (TLR2). We investigated the role of TLR2 in pulmonary inflammation induced by hog confinement dust. Normal human bronchial epithelial cell...
Idiopathic pulmonary fibrosis is a fatal disease characterized by progressive destruction of the lung. Although TLR2 bridges innate and adaptive immunity by sensing tissue damage, its role in pulmonary fibrosis remains unclear. To address this issue, TLR2(-/-) and WT mice were examined for bleomycin-induced pulmonary fibrosis (BIPF). Flow cytometric and immunohistochemical analysis revealed tha...
Recent studies have implicated Toll-like receptors (TLR), especially TLR2 and TLR4, as sentinel receptors that signal the interaction of macrophages with bacterial pathogens via a NF-kappaB-mediated pathway. The regulation of TLR gene expression, however, has not been intensively studied. Here, we report that TLR2 mRNA was induced following infection of murine macrophages with Mycobacterium avi...
To clarify the crucial role of Toll-like receptor (TLR) 2 and TLR9 in immature gut-associated lymphoid tissues (GALT), we focused on the expression of TLR2 and TLR9 and the immune responses induced by their ligands in the GALT of presuckling newborn swine. Quantitative real-time PCR revealed that TLR2 and TLR9 mRNA were expressed at detectable levels in all tested tissues (heart, thymus, lung, ...
Infection may exacerbate organ-specific autoimmune disease such as glomerulonephritis. This may occur in the absence of a measurable effect on the adaptive immune response, and the mechanisms responsible are not fully understood. To investigate this, we have studied the effect of TLR2 ligation by the synthetic ligand Pam(3)CysSK(4) on the development of glomerulonephritis in mice. We demonstrat...
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