Article
Influence of mutation type and X chromosome inactivation on Rett syndrome phenotypes.
Annals of neurology - 1 May 2000
Amir R E, Van den Veyver I B, Schultz R, Malicki D M, Tran C Q, Dahle E J, Philippi A, Timar L, Percy A K, Motil K J, Lichtarge O, Smith E O, Glaze D G, Zoghbi H Y
Abstract excerpt
We screened 71 sporadic and 7 familial Rett syndrome (RTT) patients for MECP2 mutations by direct sequencing and determined the pattern of X chromosome inactivation (XCI) in 39 RTT patients. We identified 23 different disease-causing MECP2 mutations in 54 of 71 (76%) sporadic patients and in 2 of 7 (29%) familial cases. We compared electrophysiological findings, cerebrospinal fluid neurochemistry, and 13 clinical...
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