Association of copy number variations in complement factor H-Related genes among age-related macular degenerative subjects

Age-related macular degeneration (AMD) is the most widely recognised cause of irreversible vision loss and previous studies have suggested that the advancement of wet AMD is influenced by both modifiable and non-modifiable elements. Single nucleotide polymorphism (SNPs) and copy number of variations...

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Main Authors: Bakri, N.M., Ramachandran, V., Kee, H.F., Subrayan, V., Isa, H., Ngah, N.F., Mohamad, N.A., Mooi, C.S., Mun, C.Y., Ismail, P., Ismail, F., Sukiman, E.S., Wan Sulaiman, W.A.
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Published: Elsevier 2017
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author Bakri, N.M.
Ramachandran, V.
Kee, H.F.
Subrayan, V.
Isa, H.
Ngah, N.F.
Mohamad, N.A.
Mooi, C.S.
Mun, C.Y.
Ismail, P.
Ismail, F.
Sukiman, E.S.
Wan Sulaiman, W.A.
author_facet Bakri, N.M.
Ramachandran, V.
Kee, H.F.
Subrayan, V.
Isa, H.
Ngah, N.F.
Mohamad, N.A.
Mooi, C.S.
Mun, C.Y.
Ismail, P.
Ismail, F.
Sukiman, E.S.
Wan Sulaiman, W.A.
author_sort Bakri, N.M.
collection UM
description Age-related macular degeneration (AMD) is the most widely recognised cause of irreversible vision loss and previous studies have suggested that the advancement of wet AMD is influenced by both modifiable and non-modifiable elements. Single nucleotide polymorphism (SNPs) and copy number of variations (CNVs) have been associated with AMD in various populations, however the results are conflicting. Our aim is to determine the CNVs of Complement Factor H-Related genes among Malaysian subjects with wet AMD. 130 patients with wet AMD and 120 healthy controls were included in this research. DNA was extracted from all subjects and CNVs of CFH, CFHR1 and CFHR3 genes; determined using quantitative real-time PCR and were compared between the two groups. A consistent association was observed between CFH gene and wet AMD susceptibility (P < 0.05). The age-adjusted data suggests a possible increased risk of AMD disease (P < 0.05). No correlation was detected between CNVs and wet AMD for the remaining genes after we compared the frequencies of mean for that gene. An association was observed between CFH CNVs and wet AMD in the Malaysian population, however, strong evidence of a link with wet AMD was not found. Further investigative studies are needed using larger sample sizes to elucidate the role of CNVs in AMD pathogenesis.
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spelling um.eprints-192312018-09-18T01:16:36Z http://eprints.um.edu.my/19231/ Association of copy number variations in complement factor H-Related genes among age-related macular degenerative subjects Bakri, N.M. Ramachandran, V. Kee, H.F. Subrayan, V. Isa, H. Ngah, N.F. Mohamad, N.A. Mooi, C.S. Mun, C.Y. Ismail, P. Ismail, F. Sukiman, E.S. Wan Sulaiman, W.A. R Medicine RE Ophthalmology Age-related macular degeneration (AMD) is the most widely recognised cause of irreversible vision loss and previous studies have suggested that the advancement of wet AMD is influenced by both modifiable and non-modifiable elements. Single nucleotide polymorphism (SNPs) and copy number of variations (CNVs) have been associated with AMD in various populations, however the results are conflicting. Our aim is to determine the CNVs of Complement Factor H-Related genes among Malaysian subjects with wet AMD. 130 patients with wet AMD and 120 healthy controls were included in this research. DNA was extracted from all subjects and CNVs of CFH, CFHR1 and CFHR3 genes; determined using quantitative real-time PCR and were compared between the two groups. A consistent association was observed between CFH gene and wet AMD susceptibility (P < 0.05). The age-adjusted data suggests a possible increased risk of AMD disease (P < 0.05). No correlation was detected between CNVs and wet AMD for the remaining genes after we compared the frequencies of mean for that gene. An association was observed between CFH CNVs and wet AMD in the Malaysian population, however, strong evidence of a link with wet AMD was not found. Further investigative studies are needed using larger sample sizes to elucidate the role of CNVs in AMD pathogenesis. Elsevier 2017 Article PeerReviewed Bakri, N.M. and Ramachandran, V. and Kee, H.F. and Subrayan, V. and Isa, H. and Ngah, N.F. and Mohamad, N.A. and Mooi, C.S. and Mun, C.Y. and Ismail, P. and Ismail, F. and Sukiman, E.S. and Wan Sulaiman, W.A. (2017) Association of copy number variations in complement factor H-Related genes among age-related macular degenerative subjects. Kaohsiung Journal of Medical Sciences, 33 (12). pp. 602-608. ISSN 1607-551X, DOI https://doi.org/10.1016/j.kjms.2017.08.003 <https://doi.org/10.1016/j.kjms.2017.08.003>. http://dx.doi.org/10.1016/j.kjms.2017.08.003 doi:10.1016/j.kjms.2017.08.003
spellingShingle R Medicine
RE Ophthalmology
Bakri, N.M.
Ramachandran, V.
Kee, H.F.
Subrayan, V.
Isa, H.
Ngah, N.F.
Mohamad, N.A.
Mooi, C.S.
Mun, C.Y.
Ismail, P.
Ismail, F.
Sukiman, E.S.
Wan Sulaiman, W.A.
Association of copy number variations in complement factor H-Related genes among age-related macular degenerative subjects
title Association of copy number variations in complement factor H-Related genes among age-related macular degenerative subjects
title_full Association of copy number variations in complement factor H-Related genes among age-related macular degenerative subjects
title_fullStr Association of copy number variations in complement factor H-Related genes among age-related macular degenerative subjects
title_full_unstemmed Association of copy number variations in complement factor H-Related genes among age-related macular degenerative subjects
title_short Association of copy number variations in complement factor H-Related genes among age-related macular degenerative subjects
title_sort association of copy number variations in complement factor h related genes among age related macular degenerative subjects
topic R Medicine
RE Ophthalmology
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