Characterization of ARHGEF6, a guanine nucleotide exchange factor for Rho GTPases and a candidate gene for X-linked mental retardation: mutation screening in Börjeson-Forssman-Lehmann syndrome and MRX27.

Abstract excerpt

Börjeson-Forssman-Lehmann syndrome (BFLS) is a syndromic X-linked mental retardation that has been mapped by linkage to Xq26-q27. A nonsyndromic mental retardation family, MRX27, has also been localized to a region of the X chromosome overlapping Xq26-q27. The gene for ARHGEF6 (also known as alphaPIX or Cool-2), a newly identified guanine nucleotide exchange factor, was identified as a potential candidate XLMR...

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