Truncating biallelic variant in DNAJA1, encoding the co-chaperone Hsp40, is associated with intellectual disability and seizures

Saud Alsahli, Ahmed Alfares, Francisco J. Guzmán-Vega, Stefan T. Arold, Duaa Ba-Armah, Fuad Al Mutairi

Research output: Contribution to journalArticlepeer-review

Abstract

Intellectual disability poses a huge burden on the health care system, and it is one of the most common referral reasons to the genetic and child neurology clinic. Intellectual disability (ID) is genetically heterogeneous, and it is associated with several other neurological conditions. Exome sequencing is a robust genetic tool and has revolutionized the process of molecular diagnosis and novel gene discovery. Besides its diagnostic clinical value, novel gene discovery is prime in reverse genetics, when human mutations help to understand the function of a gene and may aid in better understanding of the human brain and nervous system. Using WES, we identified a biallelic truncating variant in DNAJA1 gene (c.511C>T p.(Gln171*) in a multiplex Saudi consanguineous family. The main phenotype shared between the siblings was intellectual disability and seizure disorder.
Original languageEnglish (US)
Pages (from-to)109-115
Number of pages7
JournalNeurogenetics
Volume20
Issue number2
DOIs
StatePublished - Apr 10 2019

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