The researchers also determined that many of the 18 newly identified
autism genes affect the operation of a small subset of biological pathways in the brain.
Not exact matches
But over the past decade, researchers have identified hundreds of
gene variations that seem to
affect brain development in ways that increase the risk of
autism.
The researchers plan to investigate what percentage of individuals individuals with intellectual disability and
autism may carry CC2D1A mutations and to determine whether other
genes affect neurons in a similar fashion.
The search for
autism - related
genes has led to stunning evidence of the complexity of the disease, which is estimated to
affect one in every 150 children born worldwide.
Still, Dudley feels that evolutionary genetic analysis can help identify the most relevant
genes and pathological mechanisms at play in schizophrenia and possibly other mental illnesses that preferentially
affect humans — that is, neurodevelopmental disorders related to higher cognition and GABA activity, including
autism and attention - deficit / hyperactivity disorder.
«But
genes tied to
autism tend to
affect specific functions, such as the connections between brain regions that are essential to many human - specific behaviors, like speech and language.»
They then used the model to predict how
autism - linked variants in the NHE9
gene would
affect the protein's shape and function.
In the associated paper, Vitkup, Iossifov and others use a novel form of analysis called NETBAG (network - based analysis of genetic associations) to identify «the large biological network of
genes affected by rare de novo CNVs in
autism.»