Growth Hormone Receptor Antagonism Extends Lifespan
Scientists have long been interested in how our bodies age and what might help us live longer, healthier lives. One key area of focus is the role of growth hormone, a powerful chemical messenger that influences many bodily functions, including growth and metabolism. While growth hormone is essential, too much of its action has been linked to accelerated aging in some cases.
Recent research explored a strategy called “growth hormone receptor antagonism.” This involves using a substance that blocks the receptors where growth hormone normally binds, essentially reducing its effects. In a study using specially engineered mice, researchers found that by reducing the action of growth hormone, both the average and maximum lifespans of these animals were significantly increased. For instance, some mice lived up to 265 days longer.
Beyond just living longer, these mice also showed improved “healthspan,” meaning they experienced better health during their extended lives. They were less frail and had stronger grip strength, even though they carried more body fat. This suggests that reducing growth hormone signaling could not only add years to life but also improve the quality of those years. These findings open new avenues for understanding the aging process and potentially developing treatments to promote healthier aging in humans.
Source: link to paper