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The exact gene that caused stem cell aging has been identified.

Above – When mesenchymal stem/stromal cells (MSCs) age, the transcription factor GATA6 is increasingly produced in the cell to induce aging response. By transcription factor-based cellular reprogramming, aged MSCs are rejuvenated with a reduction in GATA6 effects on cellular aging. CREDIT AlphaMed Press

Continue reading “Genes for Regulating Stem Cell Aging Identified” »

Part of my series to give a good grounding in the basics surrounding the subject of human health and longevity, for anyone interested, this week it is Sirtuins.

Are they one of the keys to the door towards ending aging?

Continue reading “Sirtuins Activation — What They Can Offer Longevity & How they May Help Extend Life” »

I didn’t realize there were so many 3rd-party genetic analysis services. If you’ve already done something like 23andMe have you tried uploading your raw DNA data to one of these other websites?

Note: This piece on genetic analysis is the third in our series of posts about DNA tests for health and longevity. To better understand the basics of DNA and the different types of DNA tests on the market please go back and read our first piece on The Benefits of Genetic Testing for Longevity, and for an in-depth comparison of DNA testing companies please read the second piece on the Best DNA Tests for Health and Longevity.

Continue reading “7 Best Genetic Analysis Websites in 2021 Compared” »

Harvard Medical School scientists report they have successfully restored vision in mice by turning back the clock on aged eye cells in the retina to recapture youthful gene function.

The team’s work, described Dec. 2 in the publication Nature, represents the first demonstration that it may be possible to safely reprogram complex tissues, such as the nerve cells of the eye, to an earlier age.

In addition to resetting the cells’ aging clock, the researchers successfully reversed vision loss in animals with a condition mimicking human glaucoma, a leading cause of blindness around the world.

This is very helpful in reducing signs in aging.

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Brain Muraresku, author of “The Immortality Key — The Secret History Of The Religion With No Name”, discussing his fascinating journey to discover psychedelic potions from antiquity, reconstruct their history in the development of religion and civilization, and their development into a modern neuro-pharmacopoeia.

On today’s show we are going to be weaving together a really interesting range of themes including psychedelics, pharmacognosy and medicinal botany, history, religion & spirituality, end of life care, dreaming, mental health and a whole lot more.

Continue reading “The Immortality Key — Brain Muraresku — The Secret History Of The Religion With No Name” »

Just a few doses of an experimental drug can reverse age-related declines in memory and mental flexibility in mice, according to a new study by UC San Francisco scientists. The drug, called ISRIB, has already been shown in laboratory studies to restore memory function months after traumatic brain injury (TBI), reverse cognitive impairments in Down Syndrome, prevent noise-related hearing loss, fight certain types of prostate cancer, and even enhance cognition in healthy animals.

In the new study, published Dec. 1, 2020, in the open-access journal eLife, researchers showed rapid restoration of youthful cognitive abilities in aged mice, accompanied by a rejuvenation of brain and immune cells that could help explain improvements in brain function.

“ISRIB’s extremely rapid effects show for the first time that a significant component of age-related cognitive losses may be caused by a kind of reversible physiological “blockage” rather than more permanent degradation,” said Susanna Rosi, PhD, Lewis and Ruth Cozen Chair II and professor in the departments of Neurological Surgery and of Physical Therapy and Rehabilitation Science.

**Peroxisomes are compartments where cells turn fatty molecules into energy and useful materials, like the myelin sheaths that protect nerve cells. In humans, peroxisome dysfunction has been linked to severe metabolic disorders, and peroxisomes may have wider significance for neurodegeneration, obesity, cancer and age-related disorders.**

Peroxisomes are also highly conserved, from plants to yeast to humans, and Bartel said there are hints that these structures may be general features of peroxisomes.

“Peroxisomes are a basic organelle that has been with eukaryotes for a very long time, and there have been observations across eukaryotes, often in particular mutants, where the peroxisomes are either bigger or less packed with proteins, and thus easier to visualize,” she said. But people didn’t necessarily pay attention to those observations because the enlarged peroxisomes resulted from known mutations.

Continue reading “Hidden structure found in essential metabolic machinery” »

Dr leonard hayflick — father of cell senescence!

Dr. Leonard Hayflick, is Professor of Anatomy, University of California, San Francisco School of Medicine, where he has been part of the faculty since 1988.

Continue reading “Dr. Leonard Hayflick — Cellular Senescence, Mycoplasmology, and Viral Vaccine Development” »