NDLI: Gender specific association of a complement component 3 polymorphism with polypoidal choroidal vasculopathy

Content Provider	PubMed Central
Author	Liu, Ke Lai, Timothy Y. Y. Chiang, Sylvia W. Y. Chan, Vesta C. K. Young, Alvin L. Tam, Pancy O. S. Pang, Chi Pui Chen, Li Jia
Copyright Year	2014
Abstract	Neovascular age-related macular degeneration (AMD) and polypoidal choroidal vasculopathy (PCV) are leading causes of irreversible blindness in developed countries. In this study, we investigated the associations of haplotype-tagging single nucleotide polymorphisms (SNPs) in the complement component 3 (C3) gene with both neovascular AMD and PCV, and potential epistatic effects on C3. Eight tagging SNPs in C3 were genotyped in 708 unrelated study subjects: 200 neovascular AMD patients, 233 PCV patients and 275 controls. Among the eight C3 SNPs, rs17030 was associated with PCV after adjusted for gender and SNP-gender interaction (P = 0.008, OR = 2.94; 95% CI: 1.32-6.52). Moreover, an interaction between rs17030 and gender was identified in PCV (P = 0.02). After stratification by gender, the rs17030 G allele was found to confer an increased risk for PCV in male (P = 0.010, OR = 1.56) but not in female. The haplotype AG defined by the major alleles of rs17030 and rs344555 was also associated with PCV in male (P = 0.010, OR = 0.64). In contrast to PCV, none of the eight SNPs was significantly associated with neovascular AMD. This study shows an association of C3 rs17030 with PCV in male, indicating that C3 may have an epistatic effect with gender in the pathogenesis of PCV.
Related Links	http://dx.doi.org/10.1038/srep07018
Starting Page	7018
File Format	PDF
ISSN	20452322
e-ISSN	20452322
Journal	Scientific Reports
Volume Number	4
Language	English
Publisher	Nature Publishing Group
Publisher Date	2014-11-01
Access Restriction	Open
Rights Holder	Nature Publishing Group
Subject Keyword	Science and technology Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Multidisciplinary

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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