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Genome-wide atlas of gene enhancers in the brain online
Date:1/31/2013

Future research into the underlying causes of neurological disorders such as autism, epilepsy and schizophrenia, should greatly benefit from a first-of-its-kind atlas of gene-enhancers in the cerebrum (telencephalon). This new atlas, developed by a team led by researchers with the U.S. Department of Energy (DOE)'s Lawrence Berkeley National Laboratory (Berkeley Lab) is a publicly accessible Web-based collection of data that identifies and locates thousands of gene-regulating elements in a region of the brain that is of critical importance for cognition, motor functions and emotion.

"Understanding how the brain develops and functions, and how it malfunctions in neurological disorders, remains one of the most daunting challenges in contemporary science," says Axel Visel, a geneticist with Berkeley Lab's Genomics Division. "We've created a genome-wide digital atlas of gene enhancers in the human brain - the switches that tell genes when and where they need to be switched on or off. This enhancer atlas will enable other scientists to study in more detail how individual genes are regulated during development of the brain, and how genetic mutations may impact human neurological disorders."

Visel is the corresponding author of a paper in the journal Cell that describes this work. The paper is titled "A High-Resolution Enhancer Atlas of the Developing Telencephalon." (See below for a list of co-authors.)

The cerebrum is the most highly developed region of the human brain. It houses the cerebral cortex, the so-called "gray matter" where complex information processing events take place, and the basal ganglia, a brain region that helps control movement throughout the body and is involved in certain types of learning. Many of the genes responsible for development of the cerebrum have been identified but most of the DNA elements responsible for expressing these genes - turning them on/off - have not. This is especially true for gene enha
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Contact: Lynn Yarris
lcyarris@lbl.gov
510-486-5375
DOE/Lawrence Berkeley National Laboratory
Source:Eurekalert  

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