Fragile X Syndrome Research Articles. Fragile X syndrome FXS is the most common single gene cause of autism and intellectual disabilities. Humans with FXS exhibit increased anxiety sensory hypersensitivity seizures repetitive behaviors cognitive inflexibility and social behavioral impairments. Fragile X Syndrome FXS is the most common inherited cause of intellectual disability and autism. In the normal population the CGG repeat varies from six to 54 units.
Fragile X syndrome FXS is the most common single gene cause of autism and intellectual disabilities. Articles from Journal of Medical Genetics are provided here courtesy of BMJ Group. Infant development in fragile X syndrome. Affected subjects have expanded CGG repeats 200 in. Fragile-X syndrome-a 20-year follow-up study of male patients. Results of phase 3 trials.
In 2018 the term Fragile X-associated Neuropsychiatric Disorders FXAND has been suggested to cover a range of neuropsychiatric and physical conditions associated with the Fragile X premutation.
Humans with FXS exhibit increased anxiety sensory hypersensitivity seizures repetitive behaviors cognitive inflexibility and social behavioral impairments. The results can be used to help inform future public health research and provide pediatricians with up-to-date information about the implications of the condition for individuals and their families. The fragile X syndrome was one of the first examples of a novel class of disorders caused by a trinucleotide repeat expansion. FXS is the most prevalent form of heritable mental retardation in the world. Neuropsychiatric conditions are said to affect approximately half of premutation carriers. Fragile X syndrome FXS an X-linked condition first described by Martin and Bell is the leading cause of inherited intellectual disability IDEstimates report that FXS affects approximately 1 in 2500 to 5000 men and 1 in 4000 to 6000 women 2 3FXS is caused by mutations in the FMR1 gene which is located on the X chromosome and whose locus at Xq273 coincides with the folate.