Study of TGFBI gene mutations in the patients with corneal dystrophy in northeast of China

AIM: To explore the mutation type of TGFBI gene in a lattice-like corneal dystrophy(LCD)family in northeast China. <p>METHODS: A basic ophthalmologic examination was performed on the patients and two normal persons in the family. Genomic DNA of three affected, two unaffected family members and...

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Main Authors: Ying Hu, Chi Liu
Format: Article
Language:English
Published: Press of International Journal of Ophthalmology (IJO PRESS) 2019-01-01
Series:Guoji Yanke Zazhi
Subjects:
Online Access:http://ies.ijo.cn/cn_publish/2019/1/201901029.pdf
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author Ying Hu
Chi Liu
author_facet Ying Hu
Chi Liu
author_sort Ying Hu
collection DOAJ
description AIM: To explore the mutation type of TGFBI gene in a lattice-like corneal dystrophy(LCD)family in northeast China. <p>METHODS: A basic ophthalmologic examination was performed on the patients and two normal persons in the family. Genomic DNA of three affected, two unaffected family members and 50 normal individuals was extracted from peripheral leukocytes. All exons of TGFBI were amplified by polymerase chain reaction(PCR)methods and direct sequencing was carried out for mutation analysis. <p>RESULTS: A missense mutation(c.370C>T)in exon 4 of TGFBI led to an amino acid substitution R124C in the TGFBI protein in all affected family members, but the mutation was not detected in normal subjects of the family and control individuals. <p>CONCLUSION: We conclude that the novel mutation R124C causes lattice corneal dystrophy type I in the studied family. It was verified that R124C is a hot spot mutation in LCD I.
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spelling doaj.art-fae1330e278b488fb58ac5607605e0922022-12-22T03:17:14ZengPress of International Journal of Ophthalmology (IJO PRESS)Guoji Yanke Zazhi1672-51231672-51232019-01-0119112813110.3980/j.issn.1672-5123.2019.1.29Study of TGFBI gene mutations in the patients with corneal dystrophy in northeast of ChinaYing Hu0Chi Liu1<sup>1</sup>Department of Ophthalmology, The Fourth People's Hospital of Shenyang, Shenyang 110031, Liaoning Province, China<sup>1</sup>Department of Ophthalmology, The Fourth People's Hospital of Shenyang, Shenyang 110031, Liaoning Province, ChinaAIM: To explore the mutation type of TGFBI gene in a lattice-like corneal dystrophy(LCD)family in northeast China. <p>METHODS: A basic ophthalmologic examination was performed on the patients and two normal persons in the family. Genomic DNA of three affected, two unaffected family members and 50 normal individuals was extracted from peripheral leukocytes. All exons of TGFBI were amplified by polymerase chain reaction(PCR)methods and direct sequencing was carried out for mutation analysis. <p>RESULTS: A missense mutation(c.370C>T)in exon 4 of TGFBI led to an amino acid substitution R124C in the TGFBI protein in all affected family members, but the mutation was not detected in normal subjects of the family and control individuals. <p>CONCLUSION: We conclude that the novel mutation R124C causes lattice corneal dystrophy type I in the studied family. It was verified that R124C is a hot spot mutation in LCD I.http://ies.ijo.cn/cn_publish/2019/1/201901029.pdflattice-like corneal dystrophyhereditarygene mutation
spellingShingle Ying Hu
Chi Liu
Study of TGFBI gene mutations in the patients with corneal dystrophy in northeast of China
Guoji Yanke Zazhi
lattice-like corneal dystrophy
hereditary
gene mutation
title Study of TGFBI gene mutations in the patients with corneal dystrophy in northeast of China
title_full Study of TGFBI gene mutations in the patients with corneal dystrophy in northeast of China
title_fullStr Study of TGFBI gene mutations in the patients with corneal dystrophy in northeast of China
title_full_unstemmed Study of TGFBI gene mutations in the patients with corneal dystrophy in northeast of China
title_short Study of TGFBI gene mutations in the patients with corneal dystrophy in northeast of China
title_sort study of tgfbi gene mutations in the patients with corneal dystrophy in northeast of china
topic lattice-like corneal dystrophy
hereditary
gene mutation
url http://ies.ijo.cn/cn_publish/2019/1/201901029.pdf
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AT chiliu studyoftgfbigenemutationsinthepatientswithcornealdystrophyinnortheastofchina