Journal
AMERICAN JOURNAL OF MEDICAL GENETICS
Volume 105, Issue 5, Pages 404-405Publisher
WILEY-LISS
DOI: 10.1002/ajmg.1432
Keywords
autistic disorder; association studies; neurofibromatosis 1 gene
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A novel allele of the GXAlu tetranucleotide repeat in intron 27b of the neurofibromatosis 1 (NF1) gene has recently been reported to be present in 4.7% of autistic patients but not in controls. We have found the novel GXAlu allele absent in 204 patients from the South Carolina Autism Project and 200 controls. The autism population studied includes a significant number of patients with hypotonia, stereotyped behaviors, or postural, gait, and motor abnormalities similar to those seen in the patients previously reported to possess the novel GXAlu allele, This suggests that the novel (AAAT)(6) GXAlu allele is not associated with autism. (C) 2001 Wiley-Liss. Inc.
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