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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Toll-like receptor 11 ： ウィキペディア英語版 Toll-like receptor 11 Toll-like receptor 11 (TLR11) is a protein that in humans is encoded by the gene ''TLR11''. TLR11 belongs to the toll-like receptor (TLR) family and the interleukin-1 receptor/toll-like receptor superfamily. By recognizing flagellin and/or profilin present on certain microbes, it helps propagate a host immune response. TLR11 plays a fundamental role in both the innate and adaptive immune responses, through the activation of Tumor necrosis factor-alpha, the Interleukin 12 (IL-12) response, and Interferon-gamma (IFN-gamma) secretion. TLR11 mounts an immune response to multiple microbes, including Toxoplasma gondii (''T. gondii''), Salmonella species, and uropathogenic ''Escherichia coli'' (''E. coli''), and likely many other species due to the highly conserved nature of flagellin and profilin. ==Structure and Localization== Proteins in the TLR family are pattern recognition receptors whose task is to alert the immune system of foreign invaders. These foreign invaders may be bacteria, viruses, fungi, or parasites. Every TLR has three domains that compose its overall structure: a leucine-rich repeat (LRR) region, a transmembrane domain, and a Toll/Interleukin-1 receptor (TIR) domain. The LRR region of TLR 11 interacts with the T. gondii profilin and uropathogenic E. coli. It is localized to the endosomal compartment of the cell with the LRR region facing into the endosome. The transmembrane domain mounts TLR 11 to the endosomal membrane and connects the LRR region to the TIR domain. Lastly, the TIR domain resides on the cytosolic side of the cell. Its job is to initiate a signal that will activate the Toll pathway in the cell. The ultimate end of the Toll pathway is the expression of genes by the transcription factors NF-κB and AP-1 that initiate an immune response to the pathogen. TLR 11 is expressed in macrophages, dendritic cells, and liver, kidney, and bladder epithelial cells. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Toll-like receptor 11」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.