Bone-Derived Hormone Reverses Age-Related Memory Loss in Mice
Study also identified possible target for novel therapies
Age-related memory loss may be reversed by boosting blood levels of osteocalcin, a hormone produced by bone cells, according to mouse studies led by Columbia University Medical Center (CUMC) researchers. The research team also identified a receptor for osteocalcin in the brain, paving the way for a novel approach to treating age-related cognitive decline.
“In previous studies, we found that osteocalcin plays multiple roles in the body, including a role in memory,” said study leader Gerard Karsenty, MD, PhD, Paul A. Marks Professor and Chair, Department of Genetics & Development, and Professor of Medicine at CUMC. “We also observed that the hormone declines precipitously in humans during early adulthood. That raised an important question: Could memory loss be reversed by restoring this hormone back to youthful levels? The answer, at least in mice, is yes, suggesting that we’ve opened a new avenue of research into the regulation of behavior by peripheral hormones.”
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