Reconstructive surgeon aims for rejection-free limb transplantation

Image courtesy of Jewish Hospital; Kleinert, Kutz and Associates Hand Care Center; and University of LouisvilleLimb transplantation involves several kinds of tissue.Years ago, the idea of attaching a donor limb onto a patient’s body would have been the stuff of science fiction. But to date about two-dozen people around the world have received hand transplants. Thomas Tung, M.D., conducts research within this relatively unorthodox realm of surgery, investigating the use of therapy that could potentially allow the body to accept donor tissue without the use of immunosuppressive medication.

Drug can quickly mobilize an army of cells to repair injury

Red areas of the circled leg in the right image show increased blood flow due to angiogenic cells.To speed healing at sites of injury – such as heart muscle after a heart attack or brain tissue after a stroke – doctors would like to be able to hasten the formation of new blood vessels. One promising approach is to “mobilize” patients’ blood vessel-forming cells, called angiogenic cells, so these cells can reach the injured area. Recently, researchers at Washington University School of Medicine in St. Louis demonstrated that a drug called AMD3100 can mobilize angiogenic cells from bone marrow of human patients in a matter of hours.

Reversing malnutrition a spoonful at a time

Courtesy PhotoPatricia Wolff, M.D., gives a checkup to a girl in Meds & Food for Kids’ clinic in Haiti.Patricia B. Wolff, M.D., founded Meds & Food for Kids, which works to combat childhood malnutrition in Haiti with a nutrient-rich peanut-butter mixture.
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