BMC ophthalmology · 2022
Ocular phenotype and genetical analysis in patients with retinopathy of prematurity.
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Tao Tianchang, Meng Xianfen, Xu Ningda, Li Jiarui, Cheng Yong, Chen Yi, Huang Lvzhen
Аннотация
BACKGROUND: Retinopathy of prematurity (ROP) is a multifactorial retinal disease, involving both environmental and genetic factors; The purpose of this study is to evaluate the clinical presentations and genetic variants in Chinese patients with ROP.
METHODS: A total of 36 patients diagnosed with ROP were enrolled in this study, their medical and ophthalmic histories were obtained, and comprehensive clinical examinations were performed. Genomic DNA was isolated from peripheral blood of ROP patients, polymerase chain reaction and direct sequencing of the associated pathogenic genes (FZD4, TSPAN12, and NDP) were performed.
RESULTS: All patients exhibited the clinical manifestations of ROP. No mutations were detected in the TSPAN12 and NDP genes in all patients; Interestingly, three novel missense mutations were identified in the FZD4 gene (p.A2P, p.L79M, and p.Y378C) in four patients, for a detection rate of 11.1% (4/36).
CONCLUSIONS: This study expands the genotypic spectrum of FZD4 gene in ROP patients, and our findings underscore the importance of obtaining molecular analyses and comprehensive health screening for this retinal disease.
METHODS: A total of 36 patients diagnosed with ROP were enrolled in this study, their medical and ophthalmic histories were obtained, and comprehensive clinical examinations were performed. Genomic DNA was isolated from peripheral blood of ROP patients, polymerase chain reaction and direct sequencing of the associated pathogenic genes (FZD4, TSPAN12, and NDP) were performed.
RESULTS: All patients exhibited the clinical manifestations of ROP. No mutations were detected in the TSPAN12 and NDP genes in all patients; Interestingly, three novel missense mutations were identified in the FZD4 gene (p.A2P, p.L79M, and p.Y378C) in four patients, for a detection rate of 11.1% (4/36).
CONCLUSIONS: This study expands the genotypic spectrum of FZD4 gene in ROP patients, and our findings underscore the importance of obtaining molecular analyses and comprehensive health screening for this retinal disease.