Insulin-induced Enhancement of Chemotherapeutic Response of 5-Fluorouracil and Its Mechanism
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Graphical Abstract
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Abstract
Objective To observe whether insulin can induce an enhancement of chemotherapeutic response of 5-fluorouracil (5-Fu) on human transplantable esophageal cancer nude model and study the mechanism of action. Methods The expression of cyclin D_1 in tumor tissue was tested by immunohistochemistry. Murine serum insulin-like growth factor1(IGF-1) and insulin-like growth factor binding protein3(IGFBP-3) were determined by ELISA. Results High, medium and low dose insulin ( 0.09, 0.06, 0.03 u/20g) combined with 5-F...
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