Beijing da xue xue bao. Yi xue ban = Journal of Peking University. Health sciences · 2005
[Characterization of the interaction between low density lipoprotein receptor-related protein-associated protein 1 and the cancer and embryo expression protein 65].
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Jin Geng-lin, Zhang Jian-zhi, Su Rong, Liu Xiao-ying, Wu Jian, Meng Lin, Shou Cheng-chao
Аннотация
OBJECTIVE: To understand the mechanism of cancer and embryo expression protein 65 (CEP65) in cancer development.
METHODS: CEP65 was used as a bait protein to isolate the partners of CEP65 from a human placenta cDNA library with yeast two hybrid system. The DNA fragments from positive clone were expressed prokaryotic and mammalian cells respectively, the GST pull-down experiment was performed to ascertain the binding activity.
RESULTS: After screening a human placenta cDNA library, the low density lipoprotein receptor-related protein-associated protein 1 (RAP) was isolated and shown to interact with CEP65. GST pull-down assay results indicated that His-CEP65 and GST-RAP expressed by prokaryotic system were immunoprecipitated, and so were Myc-RAP and GST-P65 expressed by mammalian cells.
CONCLUSION: RAP can interact with CEP65 and RAP may be a candidate to mediate the function of CEP65.
METHODS: CEP65 was used as a bait protein to isolate the partners of CEP65 from a human placenta cDNA library with yeast two hybrid system. The DNA fragments from positive clone were expressed prokaryotic and mammalian cells respectively, the GST pull-down experiment was performed to ascertain the binding activity.
RESULTS: After screening a human placenta cDNA library, the low density lipoprotein receptor-related protein-associated protein 1 (RAP) was isolated and shown to interact with CEP65. GST pull-down assay results indicated that His-CEP65 and GST-RAP expressed by prokaryotic system were immunoprecipitated, and so were Myc-RAP and GST-P65 expressed by mammalian cells.
CONCLUSION: RAP can interact with CEP65 and RAP may be a candidate to mediate the function of CEP65.