A unified nomenclature and amino acid numbering for human PTEN.

A unified nomenclature and amino acid numbering for human PTEN.
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DOI:
10.1126/scisignal.2005560
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发表时间:
2014-07-01
期刊:
影响因子:
7.3
通讯作者:
Leslie NR
Leslie NR
中科院分区:
生物学1区
文献类型:
--
作者:
Pulido R;Baker SJ;Barata JT;Carracedo A;Cid VJ;Chin-Sang ID;Davé V;den Hertog J;Devreotes P;Eickholt BJ;Eng C;Furnari FB;Georgescu MM;Gericke A;Hopkins B;Jiang X;Lee SR;Lösche M;Malaney P;Matias-Guiu X;Molina M;Pandolfi PP;Parsons R;Pinton P;Rivas C;Rocha RM;Rodríguez MS;Ross AH;Serrano M;Stambolic V;Stiles B;Suzuki A;Tan SS;Tonks NK;Trotman LC;Wolff N;Woscholski R;Wu H;Leslie NR

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肿瘤抑制因子PTEN是细胞转化的主要制动器,主要是由于其磷脂酰肌醇3,4,5-三磷酸[PI(3,4,5)P3]磷酸酶活性,其直接抵消磷酸肌醇3-激酶(PI 3 K)的致癌性。PTEN突变在肿瘤和具有肿瘤易感性或具有神经或认知障碍的患者的生殖系中是常见的,这使得PTEN基因和蛋白质成为当前生物医学研究的主要关注点。经过近20年对403个残基长的PTEN蛋白质的深入研究,发现了一种以前未表征的形式的PTEN,其含有173个氨基末端额外的氨基酸,这是由于一个替代的翻译起始位点。为了促进该领域的研究,并避免在命名和识别的PTEN氨基酸从出版物和数据库中的歧义,我们在这里提出了一个统一的命名法和氨基酸编号的这种较长的形式的PTEN。
The tumor suppressor PTEN is a major brake for cell transformation, mainly due to its phosphatidylinositol 3,4,5-trisphosphate [PI(3,4,5)P3] phosphatase activity that directly counteracts the oncogenicity of phosphoinositide 3-kinase (PI3K). PTEN mutations are frequent in tumors and in the germ line of patients with tumor predisposition or with neurological or cognitive disorders, which makes the PTEN gene and protein a major focus of interest in current biomedical research. After almost two decades of intense investigation on the 403-residue-long PTEN protein, a previously uncharacterized form of PTEN has been discovered that contains 173 amino-terminal extra amino acids, as a result of an alternate translation initiation site. To facilitate research in the field and to avoid ambiguities in the naming and identification of PTEN amino acids from publications and databases, we propose here a unifying nomenclature and amino acid numbering for this longer form of PTEN.
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