Brain genes changes are not permanent and may not be forever

In case of normal development, the unnecessary genes are turned off by the cells by getting attached to the DNA though a process known as methylation. It is believed by the scientists that the methyl groups has the chance to get stick to certain DNA series, known as a cytosine chased by CpG. Recently it is found as non -CpG methylation in neurons and in stem cells in the human brain. In fact, at Johns Hopkins, a group of researchers have found that non-CpG methylation tale spalce after and more in number in neurons than the previous one as it acts as a method of geme regualtion. It was found by the team of Hongjun Song, Ph. D., professor of neurology and director of Johns Hopkins Medicine’s institute for Cell Engineering’s Stem Cell progrna that CpG methylation is common in neurons through findings as it was not found in other cells apart from stem cells. Song says that, “That was the first hint that may be it can fucntion independently of CpG methylation.”