Pathological variants in genes associated with disorders of sex development and central causes of hypogonadism in a whole-genome reference panel of 8380 Japanese individuals
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Published:2022-09-28
Issue:1
Volume:9
Page:
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ISSN:2054-345X
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Container-title:Human Genome Variation
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language:en
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Short-container-title:Hum Genome Var
Author:
Shiga Naomi, Yamaguchi-Kabata Yumi, Igeta Saori, Yasuda Jun, Tadaka ShuORCID, Minato Takamichi, Watanabe Zen, Kanno Junko, Tamiya Gen, Fuse NobuoORCID, Kinoshita KengoORCID, Kure Shigeo, Kondo Akiko, Tachibana Masahito, Yamamoto MasayukiORCID, Yaegashi Nobuo, Sugawara JunichiORCID
Abstract
AbstractDisorders of sex development (DSD) comprises a congenital condition in which chromosomal, gonadal, or anatomical sex development is atypical. In this study, we screened for pathogenic variants in 32 genes associated with DSDs and central causes of hypogonadism (CHG) in a whole-genome reference panel including 8380 Japanese individuals constructed by Tohoku Medical Megabank Organization. Candidate pathogenic (P) or likely pathogenic (LP) variants were extracted from the ClinVar, InterVar, and Human Gene Mutation databases. Ninety-one candidate pathological variants were found in 25 genes; 28 novel candidate variants were identified. Nearly 1 in 40 (either ClinVar or InterVar P or LP) to 157 (both ClinVar and InterVar P or LP) individuals were found to be carriers of recessive DSD and CHG alleles. In these data, genes implicated in gonadal dysfunction did not show loss-of-function variants, with a relatively high tendency of intolerance for haploinsufficiency based on pLI and Episcore, both of which can be used for estimating haploinsufficiency. We report the types and frequencies of causative variants for DSD and CHG in the general Japanese population. This study furthers our understanding of the genetic causes and helps to refine genetic counseling of DSD and CHG.
Publisher
Springer Science and Business Media LLC
Subject
Genetics,Molecular Biology,Biochemistry
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