{"title":"Improving personalised genetic counselling for <b><i>ABCA4</i></b> -associated retinopathy: Updated recurrence risk estimates.","authors":"Stéphanie S Cornelis, Frans P M Cremers","doi":"10.1515/medgen-2024-2065","DOIUrl":null,"url":null,"abstract":"<p><p>Stargardt disease type 1 (STGD1) is caused by biallelic pathogenic variants in <i>ABCA4</i>. These variants vary in their effect on the resulting protein and the disease phenotype. Not all variant combinations cause disease, which complicates the determination of the recurrence risk of STGD1. Previously, the recurrence risk of STGD1 was estimated by analyzing variants in patient data and using their population variant frequencies in which white patients are overrepresented. Furthermore, assuming that variant effects are independent of genetic ancestry, estimates were made for each gnomAD population. In this article, the effects of missing heritability, <i>de novo</i> variants, reduced penetrance of variants and sex/gender are incorporated and discussed.</p>","PeriodicalId":51130,"journal":{"name":"Medizinische Genetik","volume":"37 1","pages":"19-25"},"PeriodicalIF":1.1000,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11812469/pdf/","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Medizinische Genetik","FirstCategoryId":"99","ListUrlMain":"https://doi.org/10.1515/medgen-2024-2065","RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2025/4/1 0:00:00","PubModel":"eCollection","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Stargardt disease type 1 (STGD1) is caused by biallelic pathogenic variants in ABCA4. These variants vary in their effect on the resulting protein and the disease phenotype. Not all variant combinations cause disease, which complicates the determination of the recurrence risk of STGD1. Previously, the recurrence risk of STGD1 was estimated by analyzing variants in patient data and using their population variant frequencies in which white patients are overrepresented. Furthermore, assuming that variant effects are independent of genetic ancestry, estimates were made for each gnomAD population. In this article, the effects of missing heritability, de novo variants, reduced penetrance of variants and sex/gender are incorporated and discussed.
期刊介绍：
medizinischegenetik is a scientific journal that is owned and published by the German Society of Human Genetics e.V. since 1989. The journal was founded by Prof. Jan Murken, München. Self-published until 2006, from 2007-2019 published at Springer Verlag and since 2020 at De Gruyter.
medizinischegenetik serves education and training among colleagues, the interdisciplinary exchange of knowledge in all areas of human genetics in clinics, practice, research and teaching. Each issue of the quarterly journal deals with a focus that provides a comprehensive overview of current developments in specific clinical pictures, technical developments and therapeutic approaches. All reviews are written in English language. The journal thus creates a platform for the international exchange of knowledge and increased awareness of German research activities in the scientific community.
In addition, medizinischegenetik contains information on activities in its own subject in the German-language section. This includes conference reports, association announcements, personnel matters, statements and guidelines. With health policy questions, historical retrospectives and comments on current developments, the profession takes a stand on human genetic issues in Germany, Austria and Switzerland.
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