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Matchmaking site for genes leads scientists to autism candidate

Researchers have identified a potential candidate gene, BRSK2, linked to autism, intellectual disability, and developmental delay through the use of the gene matchmaking site, GeneMatcher. The site helps scientists connect and collaborate on studies involving specific genes. In this case, the mutation in the BRSK2 gene was found in nine children, seven of whom had been diagnosed with autism. This is the first study linking the BRSK2 gene to neurodevelopmental conditions.

The BRSK2 gene encodes an enzyme that aids in the growth of axons in neurons. By analyzing the DNA of 371 children with unexplained delay or disability, the researchers were able to identify genetic causes through sequencing. The addition of five more individuals with BRSK2 mutations brought the total to nine. Whole-genome sequencing, which was previously not feasible, was used in this study, which may explain why the BRSK2 gene had not been linked to neurodevelopmental conditions before.

While researchers are uncertain if BRSK2 is exclusively an autism gene, the discovery offers families affected by BRSK2 mutations a more precise diagnosis. The identification of a BRSK2 mutation provides tangible benefits for affected families, such as connecting with others facing similar experiences through personal and social media interactions. Additionally, pinpointing mutations related to brain conditions may have future therapeutic implications.

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  4. Crump J.G. et al. Neuron 29, 115-129 (2001) PubMed

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Dr. Kenneth Roberson

Dr. Kenneth Roberson is an Adult Autism Psychologist in San Francisco with over 30 years of experience. Click below to ask a question or schedule an appointment.

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