Friedreich's ataxia causes

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] ; Associate Editor(s)-in-Chief: Syed Musadiq Ali M.B.B.S.[2], Mohamadmostafa Jahansouz M.D

Overview

It is understood that Friedreich’s ataxia is the result of a homozygous guanine-adenine-adenine (GAA) trinucleotide repeat expansion on chromosome 9q13 that causes a transcriptional defect of the frataxin gene. Frataxin is a small mitochondrial protein and deficiency of frataxin is responsible for all clinical and morphological manifestations of Friedreich’s ataxia.

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References

  1. Koeppen AH (April 2011). "Friedreich's ataxia: pathology, pathogenesis, and molecular genetics". J. Neurol. Sci. 303 (1–2): 1–12. doi:10.1016/j.jns.2011.01.010. PMC 3062632. PMID 21315377.
  2. Frankel VH (September 1973). "Biomechanics of the musculoskeletal system. Introduction". Arch Surg. 107 (3): 405. PMID 4783034.