Mutations in the MeCP2 gene are known to cause Rett Syndrome, which causes impairments in language and cognitive and fine motor skills; according to the International Rett’s Syndrome Foundation, Rett Syndrome is often misdiagnosed as autism. Scientists have previously thought that the MeCP2 gene repressed other genes—switching them “off”; a study published in the June 1st Science shows that it also activates—-turns “on”—-a number of other genes. While Rett Syndrome occurs almost exclusively in girls, duplications of the MeCP2 gene cause Rett-like symptoms in boys along with (in some cases) severe mental retardation.
The lead author of the study is Huda …read more