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Identification of novel pathogenic variants of TRIOBP gene in a pedigree affected with non-syndromic deafness / 中华医学遗传学杂志
Chinese Journal of Medical Genetics ; (6): 454-457, 2021.
Article in Chinese | WPRIM | ID: wpr-879601
ABSTRACT
OBJECTIVE@#To explore the genetic basis for a Chinese pedigree affected with non-syndromic hearing loss (NSHL).@*METHODS@#Commercialized gene chip was applied to detect common mutations associated with congenital deafness. Whole exome sequencing was carried out for patients for whom gene chip yielded a negative result. Candidate variants were verified by Sanger sequencing.@*RESULTS@#Two patients from the pedigree were discovered to carry compound heterozygous variants of the TRIOBP gene, namely c.3299C>A and c.5185-2A>G. Their parents had normal hearing and were both heterozygous carriers of the above variants. Both variants had co-segregated with the disease phenotype in the pedigree and were unreported previously.@*CONCLUSION@#Pathogenic variants of the TRIOBP gene comprise an important factor for NSHL. The novel c.5185-2A>G and c.3299C>A variants discovered in this study have enriched the mutational spectrum of the TRIOBP gene and enabled molecular diagnosis and genetic counseling for the family.
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Pedigree / Deafness / Exome Sequencing / Hearing Loss, Sensorineural / Heterozygote / Microfilament Proteins / Mutation Type of study: Diagnostic study / Prognostic study Limits: Humans Language: Chinese Journal: Chinese Journal of Medical Genetics Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Pedigree / Deafness / Exome Sequencing / Hearing Loss, Sensorineural / Heterozygote / Microfilament Proteins / Mutation Type of study: Diagnostic study / Prognostic study Limits: Humans Language: Chinese Journal: Chinese Journal of Medical Genetics Year: 2021 Type: Article