3 matokeo
Changes in reduced folates upon exposure of Krebs ascites cells and L1210 murine leukemia cells to methotrexate (MTX) have been measured by stoichiometric entrapment of tissue methylenetetrahydrofolate into a stable ternary complex with thymidylate synthase and tritiated
The biochemical basis for the resistance of murine leukemia P388 to 5-fluorouracil (FUra) was systematically investigated by examining the transport and metabolism of FUra, or its anabolites, as well as the inhibition of enzymes and processes known to be affected by the drug. Of these parameters,
Exposure of cultured clone A human colon tumor cells to 25 to 75 microM of NSC 368390 [6-fluoro-2-(2'-fluoro-1,1'-biphenyl-4-yl)-3-methyl-4-quinolinecarbox yli c acid sodium salt, DuP 785] for 48 to 72 h resulted in a 99.9% cell kill as determined by clonogenic assay. Cells exposed to NSC 368390