Finding studies
Finding studies
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Lead
Wayne State University
With
Charcot Marie Tooth disease (CMT), or inherited peripheral neuropathies, are among the most frequent heritable disorders, affecting approximately 1 in 2500 people. The most frequent genetic form of CMT is CMT1A. CMT1A is caused by a 1.4 Mb duplication within chromosome 17p11.2 in the region containing the PMP22 gene. Most subjects with CMT1A have a "typical" phenotype characterized by onset in childhood or early adulthood, distal weakness, sensory loss, foot deformities and absent reflexes. How increased expression of PMP22 causes these disabilities is unknown but is currently being investigated in both animal and tissue culture systems. In this study, researchers will evaluate whether ascorbic acid (Vitamin C), administered orally, slows clinical progression of CMT1A and affects the PMP22 mRNA levels of myelinated peripheral nerve fibers obtained from biopsies of glabrous skin.
Age
13–70
Sex
ALL
Healthy volunteers
Not accepted