Epigenome wide association study of response to methotrexate in early rheumatoid arthritis patients

To identify differentially methylated positions (DMPs) and regions (DMRs) that predict response to Methotrexate (MTX) in early rheumatoid arthritis (RA) patients. DNA from baseline peripheral blood mononuclear cells was extracted from 72 RA patients. DNA methylation, quantified using the Infinium Me...

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Veröffentlicht in:PloS one 2021-03, Vol.16 (3), p.e0247709-e0247709
Hauptverfasser: Gosselt, Helen R, Vallerga, Costanza L, Mandaviya, Pooja R, Lubberts, Erik, Hazes, Johanna M W, de Jonge, Robert, Heil, Sandra G
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container_title PloS one
container_volume 16
creator Gosselt, Helen R
Vallerga, Costanza L
Mandaviya, Pooja R
Lubberts, Erik
Hazes, Johanna M W
de Jonge, Robert
Heil, Sandra G
description To identify differentially methylated positions (DMPs) and regions (DMRs) that predict response to Methotrexate (MTX) in early rheumatoid arthritis (RA) patients. DNA from baseline peripheral blood mononuclear cells was extracted from 72 RA patients. DNA methylation, quantified using the Infinium MethylationEPIC, was assessed in relation to response to MTX (combination) therapy over the first 3 months. Baseline DMPs associated with response were identified; including hits previously described in RA. Additionally, 1309 DMR regions were observed. However, none of these findings were genome-wide significant. Likewise, no specific pathways were related to response, nor could we replicate associations with previously identified DMPs. No baseline genome-wide significant differences were identified as biomarker for MTX (combination) therapy response; hence meta-analyses are required.
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DNA from baseline peripheral blood mononuclear cells was extracted from 72 RA patients. DNA methylation, quantified using the Infinium MethylationEPIC, was assessed in relation to response to MTX (combination) therapy over the first 3 months. Baseline DMPs associated with response were identified; including hits previously described in RA. Additionally, 1309 DMR regions were observed. However, none of these findings were genome-wide significant. Likewise, no specific pathways were related to response, nor could we replicate associations with previously identified DMPs. No baseline genome-wide significant differences were identified as biomarker for MTX (combination) therapy response; hence meta-analyses are required.</description><identifier>ISSN: 1932-6203</identifier><identifier>EISSN: 1932-6203</identifier><identifier>DOI: 10.1371/journal.pone.0247709</identifier><identifier>PMID: 33690661</identifier><language>eng</language><publisher>United States: Public Library of Science</publisher><subject>Arthritis ; Biology and life sciences ; Care and treatment ; Chemistry ; Cost analysis ; Deoxyribonucleic acid ; DNA ; DNA methylation ; DNA probes ; Editing ; Funding ; Gastroenterology ; Genetic aspects ; Health care facilities ; Internal medicine ; Joints (anatomy) ; Lymphocytes ; Medical ethics ; Medicine ; Medicine and Health Sciences ; Metabolism ; Methodology ; Methotrexate ; Physical Sciences ; Physiological aspects ; Probes ; Quality control ; Research and Analysis Methods ; Response rates ; Rheumatoid arthritis ; Rheumatology ; Supervision ; Testing</subject><ispartof>PloS one, 2021-03, Vol.16 (3), p.e0247709-e0247709</ispartof><rights>COPYRIGHT 2021 Public Library of Science</rights><rights>2021 Gosselt et al. 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DNA from baseline peripheral blood mononuclear cells was extracted from 72 RA patients. DNA methylation, quantified using the Infinium MethylationEPIC, was assessed in relation to response to MTX (combination) therapy over the first 3 months. Baseline DMPs associated with response were identified; including hits previously described in RA. Additionally, 1309 DMR regions were observed. However, none of these findings were genome-wide significant. Likewise, no specific pathways were related to response, nor could we replicate associations with previously identified DMPs. No baseline genome-wide significant differences were identified as biomarker for MTX (combination) therapy response; hence meta-analyses are required.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>33690661</pmid><doi>10.1371/journal.pone.0247709</doi><tpages>e0247709</tpages><orcidid>https://orcid.org/0000-0002-9262-7411</orcidid><oa>free_for_read</oa></addata></record>
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subjects Arthritis
Biology and life sciences
Care and treatment
Chemistry
Cost analysis
Deoxyribonucleic acid
DNA
DNA methylation
DNA probes
Editing
Funding
Gastroenterology
Genetic aspects
Health care facilities
Internal medicine
Joints (anatomy)
Lymphocytes
Medical ethics
Medicine
Medicine and Health Sciences
Metabolism
Methodology
Methotrexate
Physical Sciences
Physiological aspects
Probes
Quality control
Research and Analysis Methods
Response rates
Rheumatoid arthritis
Rheumatology
Supervision
Testing
title Epigenome wide association study of response to methotrexate in early rheumatoid arthritis patients
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