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Sweet genes
Date:7/3/2014

at the same time and we saw PDC in the nucleus. So we asked, 'what is PDC doing there?' And that started it all."

"We were surprised that, despite the recognized importance of histone acetylation in cell biology and medicine, and despite the efforts by many to develop drugs that regulate histone acetylation, the source of acetyl-CoA in the nucleus had remained unknown," Michelakis says. "Sometimes the answers to important biological questions are just next to you, waiting to be discovered," he adds.

The team found that the translocation of PDC into the nucleus made cancer cells grow faster, an observation that may lead to additional strategies in the war against cancer. Yet, because the findings relate to how our DNA is regulated in general, this work may have far broader implications for many physiologic or pathologic conditions where epigenetic regulation is critical. "We are very excited about this new pathway linking energy production (the process known as metabolism) with gene regulation," the researchers say.

The work is published in the July 3, 2014, issue of the journal Cell. Michelakis is particularly proud of the fact that this is the product of a team that is entirely based at the University of Alberta. Many young researchers in the Department of Medicine like Adam Kinnaird, Peter Dromparis and Roxane Paulin were critical members of the team that also included technicians (Trevor Stenson, Alois Haromy, Kyoko Hashimoto) and researchers from the NanoFAB facility (Nancy Zhang, Eric Flaim). The work was funded by the Canadian Institutes for Health Research and the Hecht Foundation (Vancouver, Canada).


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Contact: Ross Neitz
rneitz@ualberta.ca
780-492-5986
University of Alberta Faculty of Medicine & Dentistry
Source:Eurekalert

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