國家衛生研究院 NHRI:Item 3990099045/2797
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    Please use this identifier to cite or link to this item: http://ir.nhri.org.tw/handle/3990099045/2797


    Title: 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
    Other Titles: 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
    Authors: Yeh, PY;Kuo, SH;Yeh, KH;Chuang, SE;Hsu, CH;Chang, WC;Lin, HI;Gao, M;Cheng, AL
    Contributors: National Institute of Cancer Research
    Abstract: 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.
    Keywords: Biochemistry & Molecular Biology
    Date: 2006-01-06
    Relation: 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
    Appears in Collections:[Shuang-En Chuang] Periodical Articles

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