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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Oswald, Michaela Curran, Mark E. Lamberth, Sarah L. Townsend, Robert M. Hamilton, Jennifer D. Chernoff, David N. Carulli, John Townsend, Michael J. Weinblatt, Michael E. Kern, Marlena Pond, Cassandra M. Lee, Annette Gregersen, Peter K. |
| Description | Author Affiliation: Oswald M ( Feinstein Institute for Medical Research, Manhasset, New York.) |
| Abstract | OBJECTIVE: To establish whether the analysis of whole-blood gene expression is useful in predicting or monitoring response to anti-tumor necrosis factor (anti-TNF) therapy in patients with rheumatoid arthritis (RA). METHODS: Whole-blood RNA (using a PAXgene system to stabilize whole-blood RNA in the collection tube) was obtained at baseline and at 14 weeks from 3 independent cohorts, consisting of a combined total of 240 RA patients who were beginning therapy with anti-TNF. We used an approach to gene expression analysis that is based on modular patterns of gene expression, or modules. RESULTS: Good and moderate responders according to the European League Against Rheumatism criteria exhibited highly significant and consistent changes in multiple gene expression modules after 14 weeks of therapy, as demonstrated by hypergeometric analysis. Strikingly, nonresponders exhibited very little change in any modules, despite exposure to TNF blockade. These patterns of change were highly consistent across all 3 cohorts, indicating that immunologic changes after TNF treatment are specific to the combination of both drug exposure and responder status. In contrast, modular patterns of gene expression did not exhibit consistent differences between responders and nonresponders at baseline in the 3 study cohorts. CONCLUSION: These data provide evidence that using gene expression modules related to inflammatory disease may provide a valuable method for objective monitoring of the response of RA patients who are treated with TNF inhibitors. |
| File Format | HTM / HTML |
| ISSN | 23265191 |
| e-ISSN | 23265205 |
| DOI | 10.1002/art.38947 |
| Journal | Arthritis & Rheumatology |
| Issue Number | 2 |
| Volume Number | 67 |
| Language | English |
| Publisher | Wiley |
| Publisher Date | 2015-02-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Discipline Rheumatology Antirheumatic Agents Pharmacology Therapeutic Use Arthritis, Rheumatoid Drug Therapy Genetics Gene Expression Regulation Drug Effects Blood Tumor Necrosis Factor-alpha Antagonists & Inhibitors Adalimumab Antibodies, Monoclonal Antibodies, Monoclonal, Humanized Cohort Studies Dose-response Relationship, Drug Etanercept Immunoglobulin G Infliximab Predictive Value Of Tests Prospective Studies Receptors, Tumor Necrosis Factor Research Support, N.i.h., Extramural |
| Content Type | Text |
| Resource Type | Article |
| Subject | Immunology and Allergy Immunology Rheumatology |
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