Friday, May 22, 2009

New Gene Linked To Autism Risk, Especially In Boys

genes clip artScienceDaily (May 20, 2009) — UCLA scientists have discovered a variant of a gene called CACNA1G that may increase a child's risk of developing autism, particularly in boys.

Classic autism strikes boys four times more often than girls. When including the entire spectrum of autism disorders, such as the milder Asperger syndrome, boys are diagnosed 10 times more often than girls.

The journal Molecular Psychiatry publishes the findings in its May 19 advance online edition. "This is a strong finding," said Dr. Stanley Nelson, professor of human genetics at the David Geffen School of Medicine at UCLA. "No one has scrutinized the role that CACNA1G plays in autism.

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