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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 Podocalyxin ： ウィキペディア英語版 Podocalyxin Podocalyxin, a sialoglycoprotein, is thought to be the major constituent of the glycocalyx of podocytes in the glomerulus (Bowman's capsule).〔(Omim - Podocalyxin-Like; Podxl )〕 It is a member of the CD34 family of transmembrane sialomucins. It coats the secondary foot processes of the podocytes. It is negatively charged and thus functions to keep adjacent foot processes separated, thereby keeping the urinary filtration barrier open. This function is further supported by knockout studies in mice which reveal an essential role in podocyte morphogenesis and a role in the opening of vascular lumens and regulation of vascular permeability. Of note, this is the only cell surface sialomucin knockout known to display a lethal phenotype.〔 Podocalyxin is also upregulated in a number of cancers and is frequently associated with poor prognosis.〔〔Snyder K, Hughes MR, Hedberg B, Brandon J, Hernaez D, Bergqvist P, et al. (Podocalyxin enhances breast tumor growth and metastasis and is a target for monoclonal antibody therapy. ) Breast Cancer Research. 2015;17(1):46. doi:10.1186/s13058-015-0562-7〕〔Kelly M. McNagny, Michael R. Hughes, Marcia L. Graves, Erin J. DeBruin, Kimberly Snyder, Jane Cipollone, Michelle Turvey, Poh C. Tan, Shaun McColl and Calvin D. Roskelley (2012). Podocalyxin in the Diagnosis and Treatment of Cancer, Advances in Cancer Management, Prof. Ravinder Mohan (Ed.), ISBN 978-953-307-870-0, InTech, DOI: 10.5772/24274. Available from: http://www.intechopen.com/books/advances-in-cancer-management/podocalyxin-in-the-diagnosis-and-treatment-of-cancer〕 Sialylated, O-glycosylated glycoforms of podocalyxin expressed by colon carcinoma cells possess L-selectin and E-selectin binding activity, and may be pivotal to the metastatic spread of colon carcinoma cells. At the cellular level podocalyxin has also been shown to regulate the size and topology of apical cell domains and act as a potent inducer of microvillus formation. ==References== 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「Podocalyxin」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.