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FSU engineering professor growing bone in a lab

TALLAHASSEE, Fla.-- As the nation ages, an estimated 44 million Americans, including at least half of those ages 50 and older, are at risk for osteoporosis, making their bones fragile and vulnerable to serious fractures.

Now, a Florida State University engineering professor is looking to develop new technologies that could replace bone mass lost to the disease, as well as treat traumatic bone injuries such as those suffered in automobile accidents or combat. Teng Ma, an associate professor of chemical and biomedical engineering at the Florida A&M University-FSU College of Engineering, and two colleagues have received an $824,000, four-year grant from the U.S. Department of Defense to research ways of generating bone cells in a laboratory that then could be transplanted into human patients.

"The Department of Defense's main interest in this research is its potential for developing new treatments and therapies for military personnel who have suffered bone loss due to diseases or traumatic injuries," Ma said. "However, many other types of patients who suffer from bone diseases could benefit from this research as well."

Ma pointed to recent students showing that tissue-engineered bone grafts are effective for correcting bone defects resulting from osteoporosis and other bone-related diseases. One out of every two women and one in four men over the age of 50 eventually will suffer an osteoporosis-related fracture, and many more are at risk. Such fractures typically occur in the hip, spine and wrist.

"Currently, there are two sources of bone that can be used for performing corrective grafts -- the patient's own body and human cadavers," Ma said. "Both of these have severe limitations. There is a limited supply, obviously, of bone tissue that can be taken from one part of the patient's body to be grafted onto another. And with cadaveric bone" -- bone taken from human cadavers -- "immune response and the possibility of viral infect
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Contact: Teng Ma
teng@eng.fsu.edu
850-410-6558
Florida State University
21-May-2007


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