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In this Review, Villeda and colleagues describe blood-to-brain communication from a systems physiology perspective, with an emphasis on blood-derived signals as potent drivers of both age-related brain dysfunction and brain rejuvenation.

Every pet owner knows the heartbreaking reality: Companion animals’ lives are shorter than ours.

Now, a San Francisco biotech startup is working on drugs to help dogs live longer, healthier lives.

Continue reading “A fountain of youth for dogs? This S.F. startup says it’s on the way” »

But doubts remain about whether cell reprogramming technique could one day help humans.

Researchers look at DNA of lab mice and ultimately reverse ageing process Related: Empowered Aging Scientists have made a new discovery about how to reverse the ageing process through looking at the way in which cells in DNA are organised. In a new study published in Cell, David Sinclair, who is a professor of genetics at Harvard Medical School, and his team described how they looked at a genome, which is called epigenome, in mice to study the ageing process.

Summary: Study uncovers new genetic risk factors for age-related macular degeneration, a leading cause of vision loss in adults.

Source: PLOS

Combining a map of gene regulatory sites with disease-associated loci has uncovered a new genetic risk factor of adult-onset macular degeneration (AMD), according to a new study publishing January 17 in the open-access journal PLOS Biology by Ran Elkon and Ruth Ashery-Padan of Tel Aviv University, Israel, and colleagues.

This American cryonics facility has preserved “patients” in liquid nitrogen-filled tanks until a future date when technology allows them to be thawed.

This video was recorded at the Foresight Vision Weekend 2022 at Château du Feÿ in France.

Michael Greve | Longevity Investing.

Continue reading “Michael Greve | Longevity Investing @ Vision Weekend France 2022” »

Scientists at Harvard Medical School have investigated why we age, and identified a possible way to reverse it. In tests in mice, the team showed that epigenetic “software glitches” drive the symptoms of aging – and a system reboot can reverse them, potentially extending lifespan.

Our genome contains our complete DNA blueprint, which is found in every single cell of our bodies. But it’s not the whole picture – an extra layer of information, known as the epigenome, sits above that and controls which genes are switched on and off in different types of cells. It’s as though every cell in our body is working from the same operating manual (the genome), but the epigenome is like a table of contents that directs different cells to different chapters (genes). After all, lung cells need very different instructions to heart cells.

Environmental and lifestyle factors like diet, exercise and even childhood experiences could change epigenetic expression over our lifetimes. Epigenetic changes have been linked to the rate of biological aging, but whether they drove the symptoms of aging or were a symptom themselves remained unclear.