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    • 2. 发明公开
    • Novel serpentine transmembrane antigens expressed in human cancers and uses thereof
    • 新蛇纹石跨膜抗原由人类癌症中表达,及其用途
    • EP2080802A3
    • 2009-08-05
    • EP09002996.8
    • 1999-06-01
    • Agensys, Inc.
    • Afar, Daniel E.Hubert, Rene S.Leong, KahanRaitano, Arthur B.Saffran, Douglas C.Mitchell, Stephen Chappell
    • C12N15/12C07K14/47C12N15/63C12N5/10C12P21/00C07K16/18G01N33/574C12Q1/68A61K39/395
    • C07K14/4748C07K14/705C07K14/723C07K16/28C07K16/3069C07K2317/34C07K2319/00Y10T436/143333
    • Described is a novel family of cell surface serpentine transmembrane antigens. Two of the proteins in this family are exclusively or predominantly expressed in the prostate, as well as in prostate cancer, and thus members of this family have been termed "STRAP" (Serpentine TRansmembrane Antigens of the Prostate). Four particular human STRAPs are described and characterized herein. The human STRAPs exhibit a high degree of structural conservation among them but show no significant structural homology to any known human proteins. The prototype member of the STRAP family, STRAP-1, appears to be a type IIIa membrane protein expressed predominantly in prostate cells in normal human tissues.; Structurally, STRAP-1 is a 339 amino acid protein characterized by a molecular topology of six transmembrane domains and intracellular N- and C-termini, suggesting that it folds in a "serpentine" manner into three extracellular and two intracellular loops. STRAP-1 protein expression is maintained at high levels across various stages of prostate cancer. Moreover, STRAP-1 is highly over-expressed in certain other human cancers.
    • 描述了一种新的细胞表面跨膜蛇形抗原的家族。 在该家族中的蛋白质中的两个被完全或主要过度表达在前列腺,以及在前列腺癌,和该家族的因此,成员已被称为“绳”(前列腺的蛇形跨膜抗原)。 四条特别是人类带的描述和刻画。 人类带表现出高度其中结构保守的,但没有显示出显著结构同源性的任何已知的人类蛋白质。 家庭STRAP的原型成员,STRAP-1,看来是在正常人组织中的前列腺细胞主要过表达的类型IIIa的膜蛋白。 在结构上,STRAP-1是由六个跨膜结构域的分子拓扑结构和细胞内N-和C-末端为特征的一个339个氨基酸的蛋白质,这表明确实它折叠在一个“蛇形”方式为三个胞外和两个胞内环。 STRAP-1蛋白的表达被保持在横跨前列腺癌的不同阶段的高水平。 更过,背带-1是高度在某些其他人类癌症过度表达。