tokens: Stable transfection of the truncated reduced folate carrier cDNA into mouse L1210 leukemia cells : increased folate accumulation , decreased their leucovorin and folic acid growth requirements , and increased their sensitivity to methotrexate .
folded_tokens: stable transfection of the truncate reduce folate carrier cdna into mouse l1210 leukemia cell : increase folate accumulation , decrease they leucovorin and folic acid growth requirement , and increase they sensitivity to methotrexate .