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The association between human endogenous retroviruses and multiple sclerosis: A systematic review and meta-analysis.
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- المؤلفون: Morandi, Elena1; Tanasescu, Radu1,2; Tarlinton, Rachael E.3; Constantinescu, Cris S.1,4; Zhang, Weiya5; Tench, Christopher1; Gran, Bruno1,4
- المصدر:
PLoS ONE. 2/16/2017, Vol. 12 Issue 2, p1-18. 18p.
- الموضوع:
- معلومة اضافية
- نبذة مختصرة :
Background: The interaction between genetic and environmental factors is crucial to multiple sclerosis (MS) pathogenesis. Human Endogenous Retroviruses (HERVs) are endogenous viral elements of the human genome whose expression is associated with MS. Objective: To perform a systematic review and meta-analysis and to assess qualitative and quantitative evidence on the expression of HERV families in MS patients. Methods: Medline, Embase and the Cochrane Library were searched for published studies on the association of HERVs and MS. Meta-analysis was performed on the HERV-W family. Odds Ratio (OR) and 95% confidence interval (CI) were calculated for association. Results: 43 reports were extracted (25 related to HERV-W, 13 to HERV-H, 9 to HERV-K, 5 to HRES-1 and 1 to HER-15 family). The analysis showed an association between expression of all HERV families and MS. For HERV-W, adequate data was available for meta-analysis. Results from meta-analyses of HERV-W were OR = 22.66 (95%CI 6.32 to 81.20) from 4 studies investigating MSRV/HERV-W (MS-associated retrovirus) envelope mRNA in peripheral blood mononuclear cells, OR = 44.11 (95%CI 12.95 to 150.30) from 6 studies of MSRV/HERV-W polymerase mRNA in serum/plasma and OR = 6.00 (95%CI 3.35 to 10.74) from 4 studies of MSRV/HERV-W polymerase mRNA in CSF. Conclusions: This systematic review and meta-analysis shows an association between expression of HERVs, and in particular the HERV-W family, and MS. [ABSTRACT FROM AUTHOR]
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