; Bunce, C.
; Khan, J. C. ; Shahid, H. ; Swaroop, A.
; Abecasis, G.
; Branham, K. E. ; Zareparsi, S. ; Bergen, A. A. ; Klaver, C. C.
; Baas, D. C. ; Zhang, K. ; Chen, Y. ; Gibbs, D. ; Weber, Bernhard H. F.
; et, al. ;
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; ; ; ; | Dokumentenart: | Artikel | ||||||
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| Titel eines Journals oder einer Zeitschrift: | International Journal of Epidemiology | ||||||
| Verlag: | OXFORD UNIV PRESS | ||||||
| Ort der Veröffentlichung: | OXFORD | ||||||
| Band: | 41 | ||||||
| Nummer des Zeitschriftenheftes oder des Kapitels: | 1 | ||||||
| Seitenbereich: | S. 250-262 | ||||||
| Datum: | 2012 | ||||||
| Institutionen: | Medizin > Lehrstuhl für Humangenetik | ||||||
| Identifikationsnummer: |
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| Stichwörter / Keywords: | FACTOR HY402H POLYMORPHISM; C-REACTIVE PROTEIN; JAPANESE POPULATION; Y402H VARIANT; HEMICENTIN-1 GENES; CIGARETTE-SMOKING; CHROMOSOME 10Q26; NO ASSOCIATION; RISK-FACTORS; CFH GENE; Age-related macular degeneration (AMD); Complement factor H gene; meta-ananlysis | ||||||
| Dewey-Dezimal-Klassifikation: | 600 Technik, Medizin, angewandte Wissenschaften > 610 Medizin | ||||||
| Status: | Veröffentlicht | ||||||
| Begutachtet: | Ja, diese Version wurde begutachtet | ||||||
| An der Universität Regensburg entstanden: | Zum Teil | ||||||
| Dokumenten-ID: | 36029 |
Zusammenfassung
Background Variation in the complement factor H gene (CFH) is associated with risk of late age-related macular degeneration (AMD). Previous studies have been case-control studies in populations of European ancestry with little differentiation in AMD subtype, and insufficient power to confirm or refute effect modification by smoking. Methods To precisely quantify the association of the single ...

Zusammenfassung
Background Variation in the complement factor H gene (CFH) is associated with risk of late age-related macular degeneration (AMD). Previous studies have been case-control studies in populations of European ancestry with little differentiation in AMD subtype, and insufficient power to confirm or refute effect modification by smoking. Methods To precisely quantify the association of the single nucleotide polymorphism (SNP rs1061170, 'Y402H') with risk of AMD among studies with differing study designs, participant ancestry and AMD grade and to investigate effect modification by smoking, we report two unpublished genetic association studies (n = 2759) combined with data from 24 published studies (26 studies, 26 494 individuals, including 14 174 cases of AMD) of European ancestry, 10 of which provided individual-level data used to test gene-smoking interaction; and 16 published studies from non-European ancestry. Results In individuals of European ancestry, there was a significant association between Y402H and late-AMD with a per-allele odds ratio (OR) of 2.27 [95% confidence interval (CI) 2.10-2.45; P = 1.1 x 10(-161)]. There was no evidence of effect modification by smoking (P = 0.75). The frequency of Y402H varied by ancestral origin and the association with AMD in non-Europeans was less clear, limited by paucity of studies. Conclusion The Y402H variant confers a 2-fold higher risk of late-AMD per copy in individuals of European descent. This was stable to stratification by study design and AMD classification and not modified by smoking. The lack of association in non-Europeans requires further verification. These findings are of direct relevance for disease prediction. New research is needed to ascertain if differences in circulating levels, expression or activity of factor H protein explain the genetic association.
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