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Cancer-linked FAM190A gene found to regulate cell division
Date:7/3/2013

nd p16, Kern says.

"We don't think that a species can exist without FAM190, but we don't think severe defects in FAM190A readily survive among cancers," Kern says. "The mutations seen here are very special they don't take out the whole gene but instead remove an internal portion and leave what we call the reading frame. We think we're finding a more subtle defect in human cancers, in which mitosis defects can occur episodically, and we propose it may happen in about 40 percent of human cancers."

Abnormalities in FAM190A may cause chromosomal imbalances seen so commonly in cancers, Kern says. Multipolar mitosis is one of the most common functional defects reported in human cancers, and more than 90 percent of human cancers have abnormal numbers of chromosomes.

Kern says he plans to study FAM190A further by creating lab models of the subtle defects akin to what actually is tolerated by human cancer cells.


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Contact: Vanessa Wasta
wasta@jhmi.edu
410-614-2914
Johns Hopkins Medicine
Source:Eurekalert

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