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The Genetics of Speech and Language Impairments
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Massachusetts, USA (New England Journal of Medicine): The FOXP2 protein has many transcription targets in the brain. In this issue of the Journal, Vernes et al.report that FOXP2 down-regulates the expression of CNTNAP2, a gene that encodes a neurexin protein. Using scores on tests of nonsense-word repetition for children with specific language impairment as an endophenotype, they further show that particular CNTNAP2 variants are associated with specific language impairment.
For more information, please visit:
content.nejm.org/cgi/content/full/NEJMe0807813
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