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UCLA stem cell researchers create heart and blood cells from reprogrammed skin cells
Date:4/30/2008

Stem cell researchers at UCLA were able to grow functioning cardiac cells using mouse skin cells that had been reprogrammed into cells with the same unlimited properties as embryonic stem cells.

The finding is the first to show that induced pluripotent stem cells or iPS cells, which dont involve the use of embryos or eggs, can be differentiated into the three types of cardiovascular cells needed to repair the heart and blood vessels.

The discovery could one day lead to clinical trials of new treatments for people who suffer heart attacks, have atherosclerosis or are in heart failure, said Dr. Robb MacLellan, a researcher at the Eli and Edythe Broad Center of Regenerative Medicine and Stem Cell Research and senior author of the study. Researchers also were able to differentiate the iPS cells into several types of blood cells, which may one day aid in treating blood diseases and in bone marrow transplantation.

I believe iPS cells address many of the shortcomings of human embryonic stem cells and are the future of regenerative medicine, said MacLellan, an associate professor of cardiology and physiology. Im hoping that these scientific findings are the first step towards one day developing new therapies that I can offer my patients. There are still many limitations with using iPS cells in clinical studies that we must overcome, but there are scientists in labs across the country working to address these issues right now.

The study, which brought together stem cell and cardiology researchers at UCLA, appears online May 1, 2008 in the journal Stem Cells. The article can be accessed at www.stemcells.com/papbyrecent.dtl.

Last June, UCLA stem cell researchers were among several scientific teams that were the first to reprogram mouse skin cells into cells resembling embryonic stem cells, which have the ability to become every cell type found in the body. MacLellan and his team used UCLAs iPS cells in their study.


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Contact: Kim Irwin
kirwin@mednet.ucla.edu
310-206-2805
University of California - Los Angeles
Source:Eurekalert

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