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Scientists slow brain tumor growth in mice
Date:5/13/2014

Much like using dimmer switches to brighten or darken rooms, biochemists have identified a protein that can be used to slow down or speed up the growth of brain tumors in mice.

Brain and other nervous system cancers are expected to claim 14,320 lives in the United States this year.

The results of the preclinical study led by Eric J. Wagner, Ph.D., and Ann-Bin Shyu, Ph.D., of The University of Texas Health Science Center at Houston (UTHealth) and Wei Li, Ph.D., of Baylor College of Medicine appear in the Advance Online Publication of the journal Nature.

"Our work could lead to the development of a novel therapeutic target that might slow down tumor progression," said Wagner, assistant professor in the Department of Biochemistry and Molecular Biology at the UTHealth Medical School.

Shyu, professor and holder of the Jesse H. Jones Chair in Molecular Biology at the UTHealth Medical School, added, "This link to brain tumors wasn't previously known."

"Its role in brain tumor progression was first found through big data computational analysis, then followed by animal-based testing. This is an unusual model for biomedical research, but is certainly more powerful, and may lead to the discovery of more drug targets," said Li, an associate professor in the Dan L. Duncan Cancer Center and Department of Molecular and Cellular Biology at Baylor.

Wagner, Shyu, Li and their colleagues discovered a way to slow tumor growth in a mouse model of brain cancer by altering the process by which genes are converted into proteins.

Appropriately called messenger RNA for short, these molecules take the information inside genes and use it to make body tissues. While it was known that the messenger RNA molecules associated with the cancerous cells were shorter than those with healthy cells, the mechanism by which this occurred was not understood.

The research team discovered that a protein called CFIm25 is cr
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Contact: Robert Cahill
Robert.Cahill@uth.tmc.edu
713-500-3030
University of Texas Health Science Center at Houston
Source:Eurekalert  

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