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Gene discovery could improve treatment for acute myeloid leukemia
Date:8/13/2012

ndividuals. And among patients expressing HLX at high levels in an even larger cohort of 601 patients: the greater their degree of HLX expression, the worse their survival chances.

Importantly, when Dr. Steidl's team used a laboratory technique to "knock down" HLX expression in AML cells taken from a mouse model of AML and from AML patients, proliferation of leukemia cells was greatly suppressed in both cases. And when the researchers knocked down HLX expression in mouse AML cells and human AML cells and then transplanted both types of cancer cells into healthy mice, those mice lived significantly longer compared with mice that received unaltered AML cells.

These findings suggest that targeting elevated HLX expression may be a promising novel strategy for treating AML.

"HLX is clearly a key factor in causing the over-production of white cells that occurs in AML," said Dr. Steidl. "Our research is still in its early stages, but we're looking towards developing drugsso we can improve treatment for AML and possibly other types of cancer." Einstein has filed a patent application related to this research. The HLX technology is available for licensing.


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Contact: Kimberly Newman
sciencenews@einstein.yu.edu
718-430-3101
Albert Einstein College of Medicine
Source:Eurekalert

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