The Journal of Toxicological Sciences
Online ISSN : 1880-3989
Print ISSN : 0388-1350
ISSN-L : 0388-1350
Toxicogenomics/proteomics Report
METHYLENETETRAHYDROFOLATE REDUCTASE AND REDUCED FOLATE CARRIER-1 GENOTYPES AND METHOTREXATE SERUM CONCENTRATIONS IN PATIENTS WITH RHEUMATOID ARTHRITIS
Katsumi FUKINOTomoe KAWASHIMAMasahiko SUZUKIKoichi UENO
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2007 Volume 32 Issue 4 Pages 449-452

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Abstract

We investigated the genotypes of methylenetetrahydrofolate reductase (MTHFR) and reduced folate carrier-1 (RFC-1), and the serum concentrations of methotrexate (MTX) in 100 outpatients with rheumatoid arthritis (RA). Frequencies of MTHFR C677T and A1298C were similar to those reported in Japanese RA patients, while frequencies of RFC-1 G80A genotypes differed from those reported in RA patients in the United States. No correlations were found between these genotypes and serum MTX levels.

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© 2007 The Japanese Society of Toxicology
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