TYMS polymorphisms and responsiveness to or toxicity of methotrexate in rheumatoid arthritis
- Authors
- Bae, Sang-Cheol; Lee, Young Ho
- Issue Date
- Nov-2018
- Publisher
- SPRINGER HEIDELBERG
- Keywords
- Rheumatoid arthritis; Methotrexate; TYMS polymorphism
- Citation
- ZEITSCHRIFT FUR RHEUMATOLOGIE, v.77, no.9, pp.824 - 832
- Indexed
- SCIE
SCOPUS
- Journal Title
- ZEITSCHRIFT FUR RHEUMATOLOGIE
- Volume
- 77
- Number
- 9
- Start Page
- 824
- End Page
- 832
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/2660
- DOI
- 10.1007/s00393-018-0419-4
- ISSN
- 0340-1855
- Abstract
- Objective
The aim of this study was to investigate whether the thymidylate synthase (TYMS) 2R/3R and 6 bp I/D polymorphisms can predict the response to or toxicity of methotrexate (MTX) in patients with rheumatoid arthritis (RA).
Methods
We conducted a meta-analysis of studies on the association between the TYMS 2R/3R and 6 bp I/D polymorphisms and non-responsiveness to or toxicity of MTX in RA patients.
Results
A total of 11 studies involving 1613 patients were considered. Meta-analysis showed no association between the TYMS 2R/3R 3R allele and non-responsiveness to MTX therapy (odds ratio [OR] = 1.087, confidence interval [CI] = 0.682–1.731, p = 0.726). The meta-analysis indicated that there was no association between the TYMS 6 bp I/D D allele and non-responsiveness to MTX therapy (OR = 0.688, 95% CI = 0.281–1.683, p = 0.413). Meta-analysis revealed that the TYMS 2R/3R polymorphism was not associated with MTX toxicity, except for in a co-dominant model, and the TYMS 6 bp I/D polymorphism was not associated with MTX toxicity in all genetic models.
Conclusions
This meta-analysis demonstrates that the TYMS 2R/3R and 6 bp I/D polymorphisms may not be associated with non-responsiveness to or toxicity of MTX therapy in RA patients.
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