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Dec 16, 2016

Scientists discover new bone-forming growth factor that reverses osteoporosis in mice

Posted by in categories: biotech/medical, genetics, life extension

Progress with treating osteoporosis.


A team of scientists at the Children’s Medical Center Research Institute at UT Southwestern (CRI) discovered a new bone-forming growth factor, Osteolectin (Clec11a), which reverses osteoporosis in mice and has implications for regenerative medicine.

Although Osteolectin is known to be made by certain marrow and , CRI researchers are the first to show Osteolectin promotes the formation of new bone from skeletal stem cells in the bone marrow. The study, published in eLife, also found that deletion of Osteolectin in mice causes accelerated bone loss during adulthood and symptoms of , such as reduced bone strength and delayed fracture healing.

“These results demonstrate the important role Osteolectin plays in new bone formation and maintaining adult bone mass. This study opens up the possibility of using this growth factor to treat diseases like osteoporosis,” said Dr. Sean Morrison, who led the team that made the discovery. Dr. Morrison, CRI Director, holds the Mary McDermott Cook Chair in Pediatric Genetics at UT Southwestern Medical Center, and the Kathryne and Gene Bishop Distinguished Chair in Pediatric Research at Children’s Research Institute at UT Southwestern.

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