Skip Navigation
Print Page

Fragile X-Associated Tremor and Ataxia Syndrome (FXTAS): Overview

Skip sharing on social media links
Share this:

Fragile X-associated tremor and ataxia syndrome (FXTAS) is a late-onset condition (occurs in people older than age 50) that develops in some men and women with an altered form of the fragile X gene. Those with FXTAS do not have the intellectual or developmental disabilities common in fragile X syndrome.

NICHD-supported researchers were the first to identify FXTAS and link it to changes in the FMR1 gene, which causes fragile X syndrome. The Institute is one of several federal agencies working to understand FXTAS and other conditions caused by changes in the FMR1 gene. 

arrow pointing left For more information about this topic, select the Condition Information, Research Information, Clinical Trials, or Resources and Publications link in the menu on the left.

Common Name

  • Fragile X-associated tremor and ataxia syndrome (FXTAS)

Medical or Scientific Name

  • FXTAS (pronounced FAX-tass)
Last Reviewed: 10/29/2013
Vision National Institutes of Health Home BOND National Institues of Health Home Home Storz Lab: Section on Environmental Gene Regulation Home Machner Lab: Unit on Microbial Pathogenesis Home Division of Intramural Population Health Research Home Bonifacino Lab: Section on Intracellular Protein Trafficking Home Lilly Lab: Section on Gamete Development Home Lippincott-Schwartz Lab: Section on Organelle Biology