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New Discovery Revealed An Unknown Appetite Suppression

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New Discovery Revealed An Unknown Appetite Suppression

There has been plenty of recent research focusing on how your gut bacteria can send messages to your brain controlling appetite and feelings of satiation, but a recent discovery by researchers from the Columbia University Medical Centre has revealed a previously unknown appetite-regulating mechanism that is secreted by bone cells.

The CUMC team has been researching the function of bones for many years and back in 2007 made a major discovery. They revealed that our skeletons function as an endocrine organ with bone cells releasing hormones that are known to be crucial in regulating energy metabolism.

The team’s initial studies discovered that bone cells release a hormone called osteocalcin, which controls the regulation of blood sugar. After disabling a certain gene in the bone-forming cells (osteoblasts) of mice, it was noted that the animal’s appetite significantly dropped.

“Since osteocalcin does not regulate appetite, we knew that a second bone hormone had to be involved in this process,” explains associate professor Stavroula Kousteni, who led the study.

This mysterious second hormone was recently revealed as being lipocalin 2, a protein known to contribute to obesity and previously linked to activating neurons in the brain related to appetite suppression. Until now it was thought that lipocalin 2 was mainly secreted by fat cells (adipocytes) but the CUMC research found levels of the hormone to be ten times higher in osteoblasts than previously found in adipocytes.

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2017-10-25T04:19:27+00:00 0 Comments

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