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Mutation analysis of the SLC4A11 gene in Indian families with congenital hereditary endothelial dystrophy 2 and a review of the literature

Kodaganur, Srinivas Gopinath and Kapoor, Saketh and Veerappa, Avinash M and Tontanahal, Sagar Jagannath and Sarda, Astha and Yathish, S and Prakash, Ravi D and Kumar, Arun (2013) Mutation analysis of the SLC4A11 gene in Indian families with congenital hereditary endothelial dystrophy 2 and a review of the literature. In: Molecular Vision, 19 . pp. 1694-1706.

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Abstract

Purpose: Congenital hereditary endothelial dystrophy 2 (CHED2) is an autosomal recessive disorder caused by mutations in the solute carrier family 4, sodium borate transporter, member 11 (SLC4A11) gene. The purpose of this study was to identify the genetic cause of CHED2 in six Indian families and catalog all known mutations in the SLC4A11 gene. Methods: Peripheral blood samples were collected from individuals of the families with CHED2 and used in genomic DNA isolation. PCR primers were used to amplify the entire coding region including intron-exon junctions of SLC4A11. Amplicons were subsequently sequenced to identify the mutations. Results: DNA sequence analysis of the six families identified four novel (viz., p.Thr262Ile, p.Gly417Arg, p.Cys611Arg, and p.His724Asp) mutations and one known p.Arg869His homozygous mutation in the SLC4A11 gene. The mutation p.Gly417Arg was identified in two families. Conclusions: This study increases the mutation spectrum of the SLC4A11 gene. A review of the literature showed that the total number of mutations in the SLC4A11 gene described to date is 78. Most of the mutations are missense, followed by insertions-deletions. The present study will be helpful in genetic diagnosis of the families reported here.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Molecular Vision.
Department/Centre: Division of Biological Sciences > Molecular Reproduction, Development & Genetics
Depositing User: Francis Jayakanth
Date Deposited: 21 Sep 2013 12:57
Last Modified: 21 Sep 2013 12:57
URI: http://eprints.iisc.ac.in/id/eprint/47247

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