Brown, Philip M Mechanism of action of methotrexate in rheumatoid arthritis, and the search for biomarkers. [electronic resource] - Nature reviews. Rheumatology 12 2016 - 731-742 p. digital Publication Type: Journal Article; Review; Research Support, Non-U.S. Gov't ISSN: 1759-4804 Standard No.: 10.1038/nrrheum.2016.175 doi Subjects--Topical Terms: Adenosine--metabolismAntirheumatic Agents--pharmacologyArthritis, Rheumatoid--drug therapyBiomarkersCell Adhesion Molecules--drug effectsCytokines--drug effectsEicosanoids--metabolismFolic Acid Antagonists--pharmacologyHumansMetalloproteases--drug effectsMethotrexate--pharmacologyMethylation--drug effectsPharmacogenomic Variants--geneticsPolymorphism, Single NucleotideReactive Oxygen Species--metabolismSignal Transduction--drug effectsTreatment Outcome