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Anti-aging molecule successfully restores multiple markers of youth

Date: 5.7.2024 

In pre-clinical trials, a small molecule effectively regrew neurons, reduced inflammation, and improved memory, speed, coordination, grip strength, and more. The finding could have a profound impact on aging and the diseases that accompany it.

Kredit: Azmistowski17, Wikimedia Commons, CC BY-SA 4.0.In conducting the research, scientists at the University of Texas MD Anderson Cancer Center, turned their focus to telomerase reverse transcriptase (TERT), an enzyme that is known to help synthesize and extend telomeres, the protective caps at the ends of chromosomes that help cells divide. TERT levels are reduced as we age.

Without sufficient levels of TERT, when our telomeres shrink or get seriously modified, they can lead to a process that continually damages our DNA, which causes cells to release inflammatory compounds that can in turn lead to aging, tissue damage, and cancer.

So the researchers screened over 650,000 compounds to find a molecule that could reactivate TERT in mice that were the equivalent of 75 years old in human terms. They found one, and after administering this TERT-activating compound (TAC) to the rodents for six months, they witnessed the formation of new neurons in the memory centers of their brains known as the hippocampus, which helped the mice improve their performance on cognitive tests. This corresponded to an increase in genes involved in memory and learning.

Zdroj obrázku: Azmistowski17, Wikimedia CommonsCC BY-SA 4.0.


 

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