Fragile X and Autism Expert Speaks on Autism in Jerusalem

ICare4Autism Founder and President, Joshua Weinstein with Dr. W. Ted Brown

ICare4Autism Founder and President, Joshua Weinstein with Dr. W. Ted Brown

Fragile X and Autism Expert Speaks on Autism in Jerusalem: The Fragile X Syndrome is the most common inherited cause of intellectual disability. Fragile X has a population incidence of approximately 1 in 4,000 affected (full-mutation) males, 1 in 6,000 affected females, 1 in 700 premutation carrier males and 1 in 260 carrier females. This disorder typically causes moderate to severe intellectual deficiency in affected males, and milder deficiency in affected females.  It is associated with autism or PDD-NOS in about 50% of affected males, and most affected individuals evidence some autistic-like behaviors. 

Fragile X syndrome is considered to be the most common known single gene cause of autism. It is estimated that Fragile X accounts for 2-4% of intellectual deficiency overall, and is second to Down syndrome, which is not inherited, as a genetic cause of intellectual deficiency. The fragile X mutation results in the lack of expression of the Fragile X Protein (FMRP), an mRNA finding protein, which results in overexpression of the glutamate (stimulatory) and under-expression of the GABA (inhibitory) pathways in the brain.

Current experimental treatment trails are being carried out in Fragile X and in autism with glutamate receptor blockers and GABA stimulatory drugs.  The underlying defects in neurochemical pathways in both conditions appear to have much in common, involving the ERK, mTOR and PI3K signaling pathways.

Dr. W. Ted Brown will be speaking at the upcoming ICare4Autism International Conference on Autism, in Israel, about the relationship between Fragile X syndrome and autism.

W. Ted Brown, MD, PhD, is the Director of the New York State Institute for Basic Research (IBR) in Developmental Disabilities, Chair of the IBR Department of Human Genetics and Director of the IBR Jervis Clinic.  He is a fellow of the American College of Medical Genetics and Professor at the State University of New York- Downstate Medical Center in Brooklyn.

In 1991, he was appointed the Director of IBR’s Jervis Clinic and in 2005 became IBR’s Director. He is the author of more than 350 publications.  At IBR, he began research focused on the Fragile X syndrome, which was then newly recognized and is now considered to be the most common inherited cause of intellectual deficiency or mental retardation. At IBR, he established a DNA diagnostic and molecular laboratory. He developed a screening and prenatal testing program for Fragile X.

His work on Fragile X has ranged from clinical studies relating to phenotype, to family inheritance studies, to mouse model development, and to basic molecular research. His current research is focused on autism genetics and the Fragile X syndrome.

This entry was posted in Autism Advocacy, Autism Awareness, Autism Causes, Autism Diagnosis, Autism in the Family, Autism International, Autism Media Coverage, Autism News, Autism News, Autism Research, Autism Symptoms, Autism Therapy, Autism Treatment and tagged , , , , , , , , , , , , , , , . Bookmark the permalink. Post a comment or leave a trackback: Trackback URL.

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