Complex sentence: This function is novel and not typically associated with the Ras proteins.It has been shown that deficiency of Rheb in the forebrain of mice embryos is associated with decreased myelinization due to decrease of mature oligodendrocytes.
Split into simpler sentences: This function is novel and not typically associated with the Ras proteins. Deficiency of RHEB in the forebrain of mice embryos is associated with decreased myelinization due to a decrease of mature oligodendrocytes.