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Researchers Reveal Combinatorial Code For The Developing Brain - Valley News Live - KVLY/KXJB - Fargo/Grand Forks

Researchers Reveal Combinatorial Code For The Developing Brain

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SOURCE Allen Institute for Brain Science

Publication in Neuron highlights the Allen Developing Mouse Brain Atlas and its ability to trace regions of the developing brain to better understand human brain developmental diseases

SEATTLE, June 19, 2014 /PRNewswire/ -- Researchers at the Allen Institute for Brain Science have mapped the development of the mouse brain from the embryo to the adult, creating a preliminary genetic key that allows them to pinpoint the age and location of regions of the developing brain. This work lays the foundation for tracking regions of the mouse brain through development, which could have valuable implications for translational work in human brain developmental disorders. The research, profiling the publicly available Allen Developing Mouse Brain Atlas, is published in the June 19th issue of the journal Neuron.

In order to identify individual brain regions, and their age, researchers frequently turn to using genes that can be found exclusively in that particular region and time point. But truly specific so-called "marker" genes are actually quite rare, explains Michael Hawrylycz, investigator at the Allen Institute for Brain Science. "Rather than relying on single genes, we were able to identify combinations of genes and use those combinations to create a unique code that can be used to place regions of the brain in space-time," says Hawrylycz.

The research team also captured evidence of how the brain develops from its earliest form of stacked primordial plates to its adult form with the more familiar geographic regions that begin to correspond to specialized functional divisions of the brain.

"We can now place this important organizational transition from plates to regions within developmental time," says Carol Thompson, lead author and scientific program manager at the Allen Institute for Brain Science. "We already knew this transition took place, but now we understand the mechanics behind it at a much more detailed, molecular level."

The Allen Developing Mouse Brain Atlas serves as an expansion of the original Allen Mouse Brain Atlas and identifies where genes are active in the brain over seven different ages, ranging from prenatal to adult. Rather than profiling every gene in the mouse genome, the researchers selected approximately 2,100 genes with particular importance in development, and used those to identify individual brain regions at different time points.

"The Allen Developing Mouse Brain Atlas works like a Rosetta stone for the developing brain," says Allan Jones, CEO of the Allen Institute for Brain Science. "We can translate how and when genes are expressed into what is happening in the brain developmentally, making this resource a promising tool for better understanding and eventually treating brain developmental disorders and diseases."

As with all Allen Brain Atlas resources, the data from the Allen Developing Mouse Brain Atlas are publicly available through the Allen Brain Atlas data portal at brain-map.org.

About the Allen Institute for Brain Science
The Allen Institute for Brain Science (www.alleninstitute.org) is an independent, 501(c)(3) nonprofit medical research organization dedicated to accelerating the understanding of how the human brain works in health and disease. Using a big science approach, the Allen Institute generates useful public resources used by researchers and organizations around the globe, drives technological and analytical advances, and discovers fundamental brain properties through integration of experiments, modeling and theory. Launched in 2003 with a seed contribution from founder and philanthropist Paul G. Allen, the Allen Institute is supported by a diversity of government, foundation and private funds to enable its projects. Given the Institute's achievements, Mr. Allen committed an additional $300 million in 2012 for the first four years of a ten-year plan to further propel and expand the Institute's scientific programs, bringing his total commitment to date to $500 million. The Allen Institute's data and tools are publicly available online at www.brain-map.org.

Media Contact:
Steven Cooper, Edelman, for the Allen Institute for Brain Science
646.358.2765; Steven.Cooper@edelman.com

©2012 PR Newswire. All Rights Reserved.

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