Researchers have found a way to take stem cells from fat pulled from liposuction patients -- and to use them to grow everything from human muscle to bone. This method of harvesting stem cells avoids the ethical issues associated with embryonic stem cell research. Linda Wertheimer talks with Dr. Patricia A. Zuk, a researcher at the University of California, Los Angeles, School of Medicine, who is the primary author of the study published today in the journal, Tissue Engineering.
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