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The National Institute of General Medical Sciences (NIGMS), one of the National Institutes of Health, supports all research featured in this digest. Although only the lead scientists are named, coworkers and other collaborators also contributed to the findings. To read additional news items, visit NIGMS News.

Biomedical Beat is produced by the Office of Communications and Public Liaison of the National Institute of General Medical Sciences. Some of the research briefs in this digest were generated from university or national laboratory news releases. For more information about Biomedical Beat, please contact the editor, Emily Carlson, at or 301-594-1515. To talk to someone at NIGMS about this research, call 301-496-7301. The material in this newsletter is not copyrighted and we encourage its use or reprinting.

This page last reviewed on April 22, 2011