期刊
CANCER LETTERS
卷 172, 期 1, 页码 7-15出版社
ELSEVIER SCI IRELAND LTD
DOI: 10.1016/S0304-3835(01)00701-7
关键词
p21(WAF1/CIP1); transfection; hepatoma cells; Hep3B; cisplatin
类别
The effects of exogenous expression of p21(WAFI/CIPI) in hepatoma cells were examined. Two stably p21(WAFI/CIPI)-transfected clones and one clone transfected with expression vector only were used for study. Introduction of p21(WAFI/CIPI) resulted in significant cell growth inhibition, and the magnitude of the cell growth inhibition in these transfected cells was proportional to the level of p21(WAFI/CIPI) protein expressed. Exogenous p21(WAFI/CIPI) expression also significantly enhanced chemosensitivity to cisplatin. In addition, apoptosis occurred earlier in cells transfected with p21(WAFI/CIPI) after cisplatin treatment. These findings raise the potential that forced upregulation of p21(WAFI/CIPI) in hepatocellular carcinoma (HCC) may reduce the doses of cisplatin to achieve similar responses and suggest the possible use of p21(WAFI/CIPI) in HCC treatment. (C) 2001 Elsevier Science Ireland Ltd. All rights reserved.
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