國家衛生研究院 NHRI:Item 3990099045/2797
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    题名: A pathway for tumor necrosis factor-alpha-induced Bcl10 nuclear translocation - Bcl10 is up-regulated by NF-kappaB and phosphorylated by Akt1 and then complexes with Bcl3 to enter the nucleus
    其它题名: A Pathway for Tumor Necrosis Factor-α-induced Bcl10 Nuclear Translocation--Bcl10 is up-regulated by NF-κB and phosphorylated by Akt1 and then complexes with Bcl3 to enter the nucleus
    作者: Yeh, PY;Kuo, SH;Yeh, KH;Chuang, SE;Hsu, CH;Chang, WC;Lin, HI;Gao, M;Cheng, AL
    贡献者: National Institute of Cancer Research
    摘要: Bcl10 overexpression and nuclear translocation were originally identified in mucosa-associated lymphoid tissue lymphoma with t(1;14)(p32;q32) chromosome translocation. DNA amplification of Bcl10 was also found in other solid tumors. We have recently shown that nuclear translocation of Bcl10 is a specific molecular determinant of Helicobacter pylori-independent mucosa-associated lymphoid tissue lymphoma (Kuo, S.-H., Chen, L.T., Yeh, K.-H., Wu, M.S., Hsu, H.C., Yeh, P.Y., Mao, T.L., Chen, C.L., Doong, S.L., Lin, J.T., and Cheng, A.-L. (2004) J. Clin. Oncol. 22, 3491-3497). However, the molecular mechanism of Bcl10 nuclear translocation remains unknown. In this study, we observed that tumor necrosis factor-alpha (TNF alpha) up-regulates the expression of Bcl10 and induces a fraction of Bcl10 nuclear translocation in human breast carcinoma MCF7 cells. Chromatin immunoprecipitation assays and electrophoretic mobility shift assays indicated that an NF-kappa B-binding site resides in the Bcl10 5'-untranslated region. This study also demonstrates that Akt1, activated by TNF alpha, phosphorylates Bcl10 at Ser(218) and Ser(231) and that phosphorylated Bcl10 subsequently complexes with Bcl3 to enter the nucleus. Either inhibition of Akt1 or depletion of Bcl3 blocks Bcl10 nuclear translocation. In summary, these findings characterize a molecular linkage that directs Bcl10 nuclear translocation in response to TNF alpha treatment.
    关键词: Biochemistry & Molecular Biology
    日期: 2006-01-06
    關聯: Journal of Biological Chemistry. 2006 Jan;281(1):167-175.
    Link to: http://dx.doi.org/10.1074/jbc.M511014200
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=1083-351X&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000234307200024
    Cited Times(Scopus): http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=33644852482
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