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Exome Sequencing Identifies ZNF644 Mutations in High Myopia

Open access
Shi, Yi, Li, Yingrui, Zhang, Dingding, Zhang, Hao, Li, Yuanfeng, Lu, Fang, Liu, Xiaoqi, He, Fei, Gong, Bo, Cai, Li, Li, Ruiqiang, Liao, Shihuang, Ma, Shi, Lin, He, Cheng, Jing, Zheng, Hancheng, Shan, Ying, Chen, Bin, Hu, Jianbin, Jin, Xin, Zhao, Peiquan, Chen, Yiye, Zhang, Yong, Lin, Ying, Li, Xi, Fan, Yingchuan, Yang, Huanming, Wang, Jun, Yang, Zhenglin·2011·PLoS Genetics

Abstract

Myopia is the most common ocular disorder worldwide, and high myopia in particular is one of the leading causes of blindness. Genetic factors play a critical role in the development of myopia, especially high myopia. Recently, the exome sequencing approach has been successfully used for the disease gene identification of Mendelian disorders. Here we show a successful application of exome sequencing to identify a gene for an autosomal dominant disorder, and we have identified a gene potentially responsible for high myopia in a monogenic form. We captured exomes of two affected individuals from a Han Chinese family with high myopia and performed sequencing analysis by a second-generation sequencer with a mean coverage of 30× and sufficient depth to call variants at ∼97% of each targeted exome. The shared genetic variants of these two affected individuals in the family being studied were filtered against the 1000 Genomes Project and the dbSNP131 database. A mutation A672G in zinc finger protein 644 isoform 1 (ZNF644) was identified as being related to the phenotype of this family. After we performed sequencing analysis of the exons in the ZNF644 gene in 300 sporadic cases of high myopia, we identified an additional five mutations (I587V, R680G, C699Y, 3'UTR+12 C>G, and 3'UTR+592 G>A) in 11 different patients. All these mutations were absent in 600 normal controls. The ZNF644 gene was expressed in human retinal and retinal pigment epithelium (RPE). Given that ZNF644 is predicted to be a transcription factor that may regulate genes involved in eye development, mutation may cause the axial elongation of eyeball found in high myopia patients. Our results suggest that ZNF644 might be a causal gene for high myopia in a monogenic form.

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Metadata

Authors
Shi, Y., Li, Y., Zhang, D., Zhang, H., Li, Y., Lu, F., Liu, X., He, F., Gong, B., Cai, L., Li, R., Liao, S., Ma, S., Lin, H., Cheng, J., Zheng, H., Shan, Y., Chen, B., Hu, J., Jin, X., Zhao, P., Chen, Y., Zhang, Y., Lin, Y., Li, X., Fan, Y., Yang, H., Wang, J., & Yang, Z.
Venue
PLoS Genetics
Published
2011-06-09
Volume
7
Issue
6
Pages
e1002084
ISSN
  • 1553-7390 (ISSN-L)
  • 1553-7404
OpenAlex
W2067773036
Cited by
195
References
7
FWCI
13.83
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: Exome Sequencing Identifies ZNF644 Mutations in High Myopia. https://app.cochat.ai/papers/10.1371/journal.pgen.1002084
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Shi, Y., Li, Y., Zhang, D., Zhang, H., Li, Y., Lu, F., Liu, X., He, F., Gong, B., Cai, L., Li, R., Liao, S., Ma, S., Lin, H., Cheng, J., Zheng, H., Shan, Y., Chen, B., Hu, J., . . . Yang, Z. (2011). Exome Sequencing Identifies ZNF644 Mutations in High Myopia. PLoS Genetics. https://doi.org/10.1371/journal.pgen.1002084

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