シグナル伝達兼転写活性化因子5A(英:signal transducer and activator of transcription 5A、STAT5A)は、ヒトではSTAT5A遺伝子によってコードされているタンパク質である。STAT5Aのオルソログは全ゲノムデータが利用可能な有胎盤類のいくつかの種で同定されている。
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↑Tang,Jian-Zhong;Zuo,Ze-Hua;Kong,Xiang-Jun;Steiner,Michael;Yin,Zhinan;Perry,Jo K.;Zhu,Tao;Liu,Dong-Xuet al.(January 1, 2010).“Signal Transducer and Activator of Transcription (STAT)-5A and STAT5B Differentially Regulate Human Mammary Carcinoma Cell Behavior”.Endocrinology151(1): 43–55.doi:10.1210/en.2009-0651.ISSN0013-7227.PMID19966185.
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