Identification of inducible damage-recognition proteins that are overexpressed in HeLa cells resistant to cis-diamminedichloroplatinum (II)

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Abstract
Two cis-diamminedichloroplatinum (II) (cisplatin)-inducible proteins [b 130 (approximately 130 kDa) and b95 (approximately 95 kDa]) in HeLa cells that recognize both the cisplatin-modified and u.v.-modified DNA were identified in this study. These damage-recognition proteins were overexpressed in cisplatin-resistant HeLa cells. The results suggest that the damage-recognition proteins are regulated in the cells in response to DNA damage, and they may be important for DNA repair and probably the emergence of cisplatin resistance.