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Science/Tech
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Title: Brain DNA changes through life
Source: [None]
URL Source: http://www.independent.co.uk/news/s ... nges-through-life-2378009.html
Published: Nov 1, 2011
Author: Lyndsey Bews
Post Date: 2011-11-01 03:52:52 by Tatarewicz
Keywords: None
Views: 96
Comments: 2

New research on brain cells could shed more light on neurological diseases, scientists have discovered.

Researchers from The Roslin Institute at the University of Edinburgh have found brain cells alter their genetic make-up during a person's lifetime.

They have identified genes - known as retrotransposons - responsible for thousands of tiny changes in the DNA of brain tissue.

Researchers, whose work is published in the journal Nature, found that the genes were particularly active in areas of the brain linked to cell renewal.

By mapping the locations of these genes in the human genome, scientists could identify mutations that impact on brain function and that may cause diseases to develop.

The study shows for the first time that brain cells are genetically different to other cells in the body and are also genetically distinct from each other.

Scientists are now researching whether brain tumour formation and neurodegenerative diseases such as Alzheimer's are associated with a change in retrotransposon activity.

Dr Geoff Faulkner said: "This research completely overturns the belief that the genetic make-up of brain cells remains static throughout life and provides us with new information about how the brain works.

"If we can understand better how these subtle genetic changes occur we could shed light on how brain cells regenerate, how processes like memory formation may have a genetic basis and possibly link the activity of these genes to brain diseases."

The research was carried out in collaboration with scientists from the Netherlands, Italy, Australia, Japan and the United States, and was funded by the Wellcome Trust, the Biotechnology and Biological Sciences Research Council and the Australian National Health and Medical Research Council.

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#1. To: Tatarewicz (#0)

If this is true it's incredible, and I would think a serious game changer in how we understand the world of biology.

Pinguinite  posted on  2011-11-01   10:00:02 ET  Reply   Untrace   Trace   Private Reply  

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