PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21380490-2 2011 Given that LV effects are attributable to increased levels of reduced folate in cancer cells, we attempted here to show the in vivo role of folylpolyglutamate synthetase (FPGS), which stabilizes intracellular reduced folate, in the anticancer activities of oral fluoropyrimidines, UFT or S-1, combined with LV. Leucovorin 11-13 folylpolyglutamate synthase Homo sapiens 140-169 3756000-7 1986 5-Formyltetrahydrofolate, which is used as a rescue agent in high-dose methotrexate-rescue chemotherapy, is a better alternate substrate of FPGS than is methotrexate and therefore is a potent competitive inhibitor of the glutamylation of methotrexate. Leucovorin 0-24 folylpolyglutamate synthase Homo sapiens 140-144 3873989-8 1985 Folinic acid, often used as the rescue agent in high-dose MTX therapy, has a low Km with mammalian FPGS (7 microM). Leucovorin 0-12 folylpolyglutamate synthase Homo sapiens 99-103 3873989-11 1985 This inhibition is competitive, presumably because folinic acid and MTX are competing substrates for FPGS. Leucovorin 51-63 folylpolyglutamate synthase Homo sapiens 101-105 21380490-5 2011 FPGS shRNA HCT-15 tumors expressed a significantly lower level of FPGS at protein and mRNA levels than parental HCT-15 cells, and the levels of reduced folate in FPGS shRNA HCT-15 tumors became 57% of those in parent after a single administration of 10 mg/kg of LV. Leucovorin 262-264 folylpolyglutamate synthase Homo sapiens 0-4 21380490-9 2011 In conclusion, the present results provide in vivo evidence that intratumor FPGS plays an important role in the efficacy of oral fluoropyrimidine plus LV therapy for colorectal cancer. Leucovorin 151-153 folylpolyglutamate synthase Homo sapiens 76-80 21380490-2 2011 Given that LV effects are attributable to increased levels of reduced folate in cancer cells, we attempted here to show the in vivo role of folylpolyglutamate synthetase (FPGS), which stabilizes intracellular reduced folate, in the anticancer activities of oral fluoropyrimidines, UFT or S-1, combined with LV. Leucovorin 11-13 folylpolyglutamate synthase Homo sapiens 171-175 18035049-0 2008 Folylpolyglutamate synthase and gamma-glutamyl hydrolase regulate leucovorin-enhanced 5-fluorouracil anticancer activity. Leucovorin 66-76 folylpolyglutamate synthase Homo sapiens 0-27 18035049-2 2008 We investigated the roles of folylpolyglutamate synthase (FPGS) and gamma-glutamyl hydrolase (GGH), which are the main enzymes involved in folate metabolism, in the effect of LV. Leucovorin 175-177 folylpolyglutamate synthase Homo sapiens 29-56 18035049-2 2008 We investigated the roles of folylpolyglutamate synthase (FPGS) and gamma-glutamyl hydrolase (GGH), which are the main enzymes involved in folate metabolism, in the effect of LV. Leucovorin 175-177 folylpolyglutamate synthase Homo sapiens 58-62 18035049-4 2008 Small-interfering RNA (siRNA) transfected into DLD-1 cells to downregulate FPGS reduced the basal level of reduced folate, the folate level after LV treatment, and the enhancement of 5-fluoro-2"-deoxyuridine (FdUrd)-induced cytotoxicity elicited by LV. Leucovorin 146-148 folylpolyglutamate synthase Homo sapiens 75-79 18035049-4 2008 Small-interfering RNA (siRNA) transfected into DLD-1 cells to downregulate FPGS reduced the basal level of reduced folate, the folate level after LV treatment, and the enhancement of 5-fluoro-2"-deoxyuridine (FdUrd)-induced cytotoxicity elicited by LV. Leucovorin 249-251 folylpolyglutamate synthase Homo sapiens 75-79 18035049-6 2008 These results suggest that FPGS and GGH expression levels in tumors are determinants of the efficacy of LV in enhancing the antitumor activity of 5-FU. Leucovorin 104-106 folylpolyglutamate synthase Homo sapiens 27-31 19636555-10 2010 CONCLUSIONS: The expression level of FPGS, GGH and ABCC1 in CRC tissues could predict the reduced folate level after LV administration, and these factors may determine the efficacy of LV treatment. Leucovorin 117-119 folylpolyglutamate synthase Homo sapiens 37-41 19636555-10 2010 CONCLUSIONS: The expression level of FPGS, GGH and ABCC1 in CRC tissues could predict the reduced folate level after LV administration, and these factors may determine the efficacy of LV treatment. Leucovorin 184-186 folylpolyglutamate synthase Homo sapiens 37-41