Title : Independent pathways of p53 induction by cisplatin and X-rays in a cisplatin-resistant ovarian tumor cell line.

Pub. Date : 1998 Feb 15

PMID : 9485023






7 Functional Relationships(s)
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1 Independent pathways of p53 induction by cisplatin and X-rays in a cisplatin-resistant ovarian tumor cell line. Cisplatin tumor protein p53 Homo sapiens
2 Independent pathways of p53 induction by cisplatin and X-rays in a cisplatin-resistant ovarian tumor cell line. Cisplatin tumor protein p53 Homo sapiens
3 Our studies were initiated by asking whether the translational product of the p53 gene is associated with cisplatin resistance in the 2780CP human ovarian tumor model. Cisplatin tumor protein p53 Homo sapiens
4 We have demonstrated by single-strand conformation polymorphism analysis and sequencing that p53 in parental cisplatin-sensitive A2780 cells was wild type. Cisplatin tumor protein p53 Homo sapiens
5 In parallel investigations using the Western technique, exposure of A2780 cells to clinically relevant concentrations of cisplatin (1-20 microM) resulted in time- and dose-dependent increases in p53, together with coordinate increases in p21Waf1/Cip1. Cisplatin tumor protein p53 Homo sapiens
6 The results indicate that a defect exists in the signal transduction pathway for p53 induction following cisplatin-induced DNA damage in 2780CP cells, and this may represent a significant mechanism of cisplatin resistance. Cisplatin tumor protein p53 Homo sapiens
7 The results indicate that a defect exists in the signal transduction pathway for p53 induction following cisplatin-induced DNA damage in 2780CP cells, and this may represent a significant mechanism of cisplatin resistance. Cisplatin tumor protein p53 Homo sapiens