Adam Reese, a Biology Major could have discovered the key to prevent fat cells from forming.
The University of Delaware junior is confident he has keyed the trigger that converts a stem cell into a fat cell. Located on the surface of cells, the trigger, a protein called endoglin, regulates what type of cell an existing stem cell will become.
AdvertisementWorking in the biological science department's laboratory of cellular signaling and dynamics with Assistant Professor Anja Nohe, Reese investigates ways to combat osteoporosis; his findings may also have implications for obesity.
Reese will present his work at 12:25 p.m. Monday at the American Society for Biochemistry and Molecular Biology's annual meeting, which is being held in San Diego in conjunction with the Experimental Biology 2012 conference.
Patients afflicted with osteoporosis lose bone mass as they age. Bone is a dynamic tissue, constantly renewed by removal or reabsorption of old bone and formation of new bone. Through this cellular remodeling process, roughly one fifth of an adult's skeleton is replaced each year. Of the limited treatments developed to reduce bone loss, most have potentially serious side effects, are cost prohibitive or difficult to use.
Reese, with the help of graduate student Joyita Dutta, found the amount of endoglin on a cell's surface indicates whether the cell will become a fat cell or a bone cell.
"What would happen if you could make the cell stop making the protein?" Reese said. "You could affect whether or not it's even a fat cell."
If the amount of endoglin on the cell surface could be decreased, the amount of cells turning into bone would rise, leading to an increase in bone strength, thus ending osteoporosis.
"I didn't really expect it. I expected the data would be the other way around," said Reese's undergraduate research advisor Nohe. "It's very exciting."
According to Nohe, researchers did not previously know if endoglin was the key controlling the cells' change or if it was just a marker. She believes Reese's data shows endoglin is the driver, and pinpointing that could lead to a cure.
"Now we have a target that we could hit," she said.
The next step is to pinpoint the signaling pathway the cell is using and determine how to block it.
Reese believes the same approach might work with fat cells - decreasing the amount of endoglin on the surface of fat cells could force those cells to transform into other cell types. The resulting treatments could potentially cure obesity.
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