
Acidic tumor microenvironment downregulates hMLH1 but does not diminish 5-fluorouracil chemosensitivity
Keywords: 5FU, 5-fluorouracil; pHe, extracellular pH; pHi, intracellular pH; dTTP, 2′-deoxythymidine 5′-triphosphate; dATP, 2′-deoxyadenosine 5′-triphosphate; dGTP, 2′-deoxyguanosine 5′-triphosphate; dCTP, 2′-deoxycytidine 5′-triphosphate; LB, Luria–Bertani; ICLs,