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Paradoxical autosomal recessive bestrophinopathy-like phenotypes shown in an autosomal dominant pedigree

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机构: [1]Capital Medical University, Beijing Tongren Hospital, Beijing Tongren Eye Center, Beijing, China [2]Beijing Institute of Ophthalmology, Beijing, China [3]Beijing Ophthalmology and Visual Science Key Laboratory, Beijing, China [4]Department of Ophthalmology, Xi’an People’s Hospital, Xi’an, China [5]Department of Ophthalmology, Beijing Puren Hospital, Beijing, China
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关键词: Autosomal recessive bestrophinopathy best vitelliform macular dystrophy BEST1 gene glaucoma ultrasound biomicroscopy

摘要:
Purpose This study aimed to evaluate the clinical and genetic characteristics of eight members from a Chinese Han family who displayed autosomal recessive bestrophinopathy (ARB)-like retinal changes in autosomal dominant (AD) inheritance pattern. Methods Clinical investigations included slit-lamp, tonometry, fundus photography, spectral-domain optical coherence tomography, fundus autofluorescence, electrooculography, and ultrasound biomicroscopy. Ocular axial length measurements were collected retrospectively. The targeted exome sequencing (TES) was applied for the genetic analysis of the proband. PCR-based Sanger sequencing was performed on the family for validation and co-segregation analysis. Results Eight members in the three-generation pedigree complained about vision loss and seven of them had detailed clinical assessments, demonstrating ocular phenotypes including extramacular and vascular arcades subretinal deposits and Arden ratio decline on electrooculography that resembled ARB. Bilateral anterior chamber structure abnormalities were observed in seven cases and three patients were diagnosed with angle-closure glaucoma. Despite clinical phenotypes supporting ARB, there was only a single heterozygous mutation of c.227T > C (p.Ile76Thr) in the BEST1 gene detected in all eight patients, which showcased AD inheritance. Conclusions An ARB-like phenotype could be caused by a heterozygous mutation of the BEST1 gene and inherited in an AD fashion.

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出版当年[2022]版:
大类 | 4 区 医学
小类 | 4 区 眼科学
最新[2023]版:
大类 | 4 区 医学
小类 | 4 区 眼科学
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出版当年[2021]版:
Q4 OPHTHALMOLOGY
最新[2023]版:
Q3 OPHTHALMOLOGY

影响因子: 最新[2023版] 最新五年平均 出版当年[2021版] 出版当年五年平均 出版前一年[2020版] 出版后一年[2022版]

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第一作者机构: [1]Capital Medical University, Beijing Tongren Hospital, Beijing Tongren Eye Center, Beijing, China [2]Beijing Institute of Ophthalmology, Beijing, China [3]Beijing Ophthalmology and Visual Science Key Laboratory, Beijing, China [*1]Beijing Ophthalmology and Visual Science Key Laboratory, Beijing Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, 17 Hougou Lane, Chongnei Street, Beijing, 100005, P.R. China. Capital Medical University, Beijing Tongren Hospital, Beijing Tongren Eye Center, Beijing, China .Beijing Institute of Ophthalmology, Beijing, China .Beijing Ophthalmology and Visual Science Key Laboratory, Beijing, China.
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通讯机构: [1]Capital Medical University, Beijing Tongren Hospital, Beijing Tongren Eye Center, Beijing, China [2]Beijing Institute of Ophthalmology, Beijing, China [3]Beijing Ophthalmology and Visual Science Key Laboratory, Beijing, China [*1]Beijing Ophthalmology and Visual Science Key Laboratory, Beijing Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, 17 Hougou Lane, Chongnei Street, Beijing, 100005, P.R. China. Capital Medical University, Beijing Tongren Hospital, Beijing Tongren Eye Center, Beijing, China .Beijing Institute of Ophthalmology, Beijing, China .Beijing Ophthalmology and Visual Science Key Laboratory, Beijing, China.
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