期刊
PHARMACOGENOMICS
卷 22, 期 15, 页码 973-982出版社
FUTURE MEDICINE LTD
DOI: 10.2217/pgs-2021-0064
关键词
cohort study; genome-wide association studies; hepatotoxicity; methotrexate; rheumatoid arthritis; risk 13 factors
资金
- Agnes and Mac Rudberg's Foundation at Uppsala University
- Brunnberg's Foundation at Uppsala University
- Selander's Foundation at Uppsala University
- Swedish Rheumatism Association
- Swedish Diabetes foundation [DIA2017-269]
- Swedish Research Council [521-20112440, 521-2014-3370, 2018-03307]
- Swedish Heart-Lung Foundation [20120557, 20140291, 20170711]
- Clinical Research Support (Avtal om Lakarutbildning och Forskning, ALF) at Uppsala University
- Knut and Alice Wallenberg Foundation
- Thure us' Foundation at Uppsala University
- Swedish Research Council for Infrastructures
- Science for Life Laboratory, Sweden
- Swedish Research Council [2018-03307] Funding Source: Swedish Research Council
- Vinnova [2018-03307] Funding Source: Vinnova
The study identified novel genetic variants associated with elevation of Alanine aminotransferase (ALT) in rheumatoid arthritis (RA) patients after methotrexate (MTX) treatment, showing a potential link to the expression of JAK1 and RAVER2, genes involved in the pathogenesis of RA.
Aim: To identify novel genetic variants predisposing to elevation of Alanine aminotransferase (ALT) in rheumatoid arthritis (RA) patients after initiation of methotrexate (MTX) treatment. Patients & methods: We performed genome-wide association studies in 198 RA patients starting MTX. Outcomes were maximum level of ALT and ALT >1.5-times the upper level of normal within the first 6 months of treatment. Results: RAVER2 (rs72675408) was significantly associated with maximum level of ALT (p = 4.36 x 10(-8)). This variant is in linkage disequilibrium with rs72675451, which is associated with differential expression of JAK1 and RAVER2. Conclusion: We found an association between ALT elevation and genetic variants that may regulate the expression of JAK1 and RAVER2. JAK1 encodes a janus kinase involved in the pathogenesis of RA.
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