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Experts Tipsheet

Stem cells

Following is a list of UC Irvine experts who can comment on issues relating to stem cell research.

June 2006

Susan V. Bryant is an internationally acclaimed developmental biologist and a leading expert on limb regeneration, and she frequently speaks on the scientific and ethical issues surrounding stem cells. She also serves as a member of the California Independent Citizen’s Oversight Committee, the governing board of the California Institute for Regenerative Medicine. Bryant is the dean of UCI’s School of Biological Sciences. She and her colleagues have made a number of groundbreaking findings on the sequence of molecular events that lead to regeneration. Her discoveries will inform new approaches and therapies for replacing and repairing lost, damaged or diseased parts of the human body. Contact Susan V. Bryant at 949-824-5316 or

Hans Keirstead is one of the nation’s pioneers in the use of human embryonic stem cells in the study of spinal cord injuries. A neurobiologist at the Reeve-Irvine Research Center and co-director of UCI’s Stem Cell Research Center, Keirstead studies whether stem cells can restore some movement in paralyzed rodents, shedding light on possible treatments for the 500,000 Americans with spinal cord-related disabilities. In his innovative research, Keirstead is developing technology to promote regeneration in the spinal cords of experimental animals. A former postdoctoral research fellow at Cambridge University, Keirstead holds a faculty position in the Department of Anatomy and Neurobiology in the UCI School of Medicine. Contact Hans Keirstead at 949-824-5352 or

Peter Donovan pioneered the development of pluripotent stem cells from primordial germ cells in mice and was part of the team that developed the same cell type from human germ cells. A professor of developmental and cell biology and biological chemistry, Donovan serves as co-director of the Stem Cell Research Center. His research focuses on the mechanisms regulating developmental potency in germ and stem cells. Donovan is a member of the steering committee of “The Hinxton Group,” an international group of scientists, lawyers and ethicists who consider the implications of international collaboration on stem cell research. Contact Peter Donovan at 949-824-3691 or

Oswald Steward is the director of UCI’s Reeve-Irvine Research Center, where world-renowned scientists are focusing their efforts on the use of stem cells for the treatment of spinal cord injury. Steward is well known for his work in nerve regeneration in the injured spinal cord. His research focuses on how nerve cells create and maintain their connections with each other, how these “synapses” are modified by experience after injury, and what genes play a role in nerve cell regeneration, growth and function. He is the author of two textbooks and more than 250 research articles. Contact Oswald Steward at 949-824-0210 or

Francisco Ayala is a leading expert on the subjects of biological evolution and the philosophical and ethical questions related to science. The Donald Bren Professor of Evolutionary Genetics, Ayala also holds a faculty appointment in the Department of Philosophy, and he teaches the popular Philosophy of Science course, which explores ethical issues such as human cloning. One of the world’s leading researchers in evolutionary biology and genetics, Ayala is a member of the National Academy of Sciences and received the 2002 National Medal of Science. Contact Francisco Ayala at 949-824-8293 or

Sidney Golub combines his experience as a biomedical research scientist and a leading specialist in cancer immunology with his significant expertise in policy matters. A professor emeritus at UCI, he has published more than 100 peer-reviewed scientific journals and holds several patents. He has served in Washington, D.C., as the executive director of the Federation of American Societies for Experimental Biology. Golub has focused on understanding the variations of science policy among the states, between the states and the federal government, and between the U.S. and other technologically advanced countries. He chairs UCI’s Embryonic Stem Cell Research Oversight Committee. Contact Sidney Golub at 949-824-9319 or

Related Links

School of Biological Sciences

Reeve-Irvine Research Center

Stem Cell Research Center

Anatomy & Neurobiology

School of Medicine

Developmental & Cell Biology

Institute for Genomics & Bioinformatics



Jennifer Fitzenberger


NEWS RADIO: UCI maintains on campus an ISDN line for conducting interviews with its faculty and experts. The use of this line is available for a fee to radio news programs/stations who wish to interview UCI faculty and experts. Use of the ISDN line is limited by availability and approval by the university.

EXPERTS: UCI maintains an online directory of faculty available as experts to the media. To access, visit Experts.
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