This work was supported partially by Chinese National Natural Science Foundation Key Project(39830440), Chinese State Key Projects for Basic Research(G1998051122) and Chinese National Natural Science Foundation(30070171).
Using hepatopioetin (HPO) as “bait” in an yeast two-hybrid screen resulted in the identification of JAB1(a protein initially as a co-activator of c-Jun) as a putative HPO binding partner.Then the full length cDNA of JAB1 was obtained from human fetal liver cDNA library by PCR for GST-JAB1 expression.The binding assay showed that JAB1 binded to rHPO and HPO expressed in COS7 cells in vitro.
LU Cheng-Rong, LI Yong, DONG Chun-Na, LI Ming, WANG Qing-Ming, ZHANG Cheng-Gang, WEI Yu-Lin, CHEN Hui-Peng, HE Fu-Chu. Cloning of AP1 Coactivator JAB1 and Its Association with Hepatopoietin[J]. Progress in Biochemistry and Biophysics,2001,28(4):528-531
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