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The effects of vincristine on the activity of p38 MAPK in gastric cancer cell SGC7901 and multidrug resistant cell SGC7901/VCR.

Libo Yao

Abstract

Objective To study the relation between p38 MAPK pathway and multidrug resistance of stomach cancer. Methods The activity of p38 MAPK in gastric cancer cell SGC7901 and multidrug resistant cell SGC7901/VCR was examined by immunoprecipitation after treating with vincristine for 0,2,15,30,60 minutes. Results Vincristine could activate the activity of p38 MAPK in gastric cancer cell SGC7901 and multidrug resistant cell SGC7901/VCR. The difference between them was that in cell SGC7901 vincristine activate the p38 MAPK rapidly whereas in cell SGC7901/VCR slowly. Conclusion Vincristine could affect the activity of p38 MAPK in gastric cancer cell SGC7901 and multidrug resistant cell SGC7901/VCR.

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Key concepts: Vincristine, Multiple drug resistance, MAPK/ERK pathway, Cancer, Cell, Cancer research, Cancer cell, Biology