Researchers from the University of Edinburgh in the framework of recent studies have established: intellectual impairment may be of a single nature. To such conclusion scientists have come in the experiment with laboratory mice, says Science World Report.
One group of animals had a mutation affecting the formation of a protein SynGAP. This protein needed by the body to memorize new information and the learning process. The second group of mice suffered from the syndrome of Martin-bell. In this disease, develop mental retardation and features of autism.
The introduction of the drug Lovastatin used in cholesterol, resulted in normal formation of a protein SynGAP, which increased cognitive abilities of animals. The medicine was effective and in the second group, indicating the General nature of mental retardation.