Wednesday, September 24, 2025

Aging Research on Monkeys- THD Orchids and Card

From My Readings on Aging Research This Week

Scientists Just Made Old Monkeys Young Again — And Hardly Anyone Is Talking About It

Every now and then, a piece of science news comes along that sounds like it should be splashed across every front page in the world. Yet somehow, it slips quietly under the radar. That’s what just happened with a groundbreaking study out of the Chinese Academy of Sciences: researchers reversed signs of aging in monkeys. Yes, monkeys — not worms, not lab mice, not cells in a petri dish. Real, living primates, our closest cousins in the animal kingdom.

If this doesn’t make your jaw drop, it should.

What the Scientists Did

The team’s approach wasn’t a sci-fi miracle pill. It was a carefully engineered medical intervention. Researchers created what they call “senescence-resistant progenitor cells.” These are essentially supercharged stem-like cells, designed to resist the biological hallmarks of aging — things like cellular senescence (cells that grow old and stop working properly) and chronic inflammation.

They then infused these cells into aged macaque monkeys. Over the course of nearly a year, the results were astonishing:

  • Improved brain health and memory performance

  • Healthier bones and reproductive systems

  • Reduced inflammation throughout the body

  • Clearer molecular and cellular signatures of youth

In short, the monkeys started looking — and functioning — biologically younger.

The “Mitochondria” Hype

Some headlines have reduced this story to a soundbite about “turbocharging mitochondria.” That makes for a great tweet, but it oversimplifies the science. What really happened was more nuanced: the engineered cells tapped into the body’s natural repair systems, dialing back aging processes at multiple levels. Mitochondria — the energy powerhouses of our cells — certainly play a role, since they’re influenced by genes like FOXO3 that were part of the intervention. But this wasn’t just about flipping a single switch. It was a systemic tune-up.

Why This Matters

This is the first time such sweeping “rejuvenation” effects have been documented in non-human primates. That matters because macaques are far closer to us biologically than the usual lab rats and worms. In other words: what works for them has a much better shot of one day working for us.

But let’s keep our feet on the ground. The study lasted 44 weeks. The sample size was relatively small. Long-term safety, potential side effects, and translation to humans remain huge unknowns. Science has had its share of “fountain of youth” stories that fizzled out once tested in people.

Why Aren’t We Talking About This?

Maybe the world is too distracted by politics, social media noise, and daily crises. Maybe people have become numb to big science headlines. But the fact that scientists may have just nudged open the door to reversing aging in primates deserves a lot more attention than it’s getting.

If replicated, this could be one of the most important biomedical advances of our lifetime. Not a cure for aging, not immortality — but a very real, very serious step toward healthier, longer lives.

And it started with monkeys who got a second shot at youth.

Meanwhile, Did you know that.....
Marine biologists recently discovered a fish larva, no bigger than a matchstick, that could potentially grow into a 4-meter ocean predator. Fragile and almost transparent at birth, the tiny creature exhibits early signs of speed and hunting features. Genetic analysis suggests it may belong to the billfish family, which includes swordfish and marlin. If it survives, it could evolve into a massive predator, weighing hundreds of kilograms and dominating the seas.
Although most larvae never make it to adulthood, this discovery emphasizes the remarkable transformations within the ocean, where creatures as small as this larva can grow into powerful hunters. It highlights the dynamic and unpredictable nature of marine life, showcasing the incredible potential for survival and growth in the underwater world.

Lastly,

A revolutionary scientific achievement is changing our understanding of biology. Scientists have successfully created life using a six letter genetic code, expanding the natural DNA alphabet from four letters to six. Normally, DNA is built from four bases A T C and G that encode all life on Earth. By adding two new synthetic bases, researchers have rewritten the fundamental rules of genetic information.
This synthetic DNA, often called Hachimoji DNA, can store and transmit genetic instructions just like natural DNA but with even greater flexibility. In the lab, these modified organisms were able to replicate and pass on their expanded genetic code, proving that life can exist with a completely new biological blueprint.
The implications are extraordinary. This breakthrough could lead to the creation of novel proteins, revolutionary medicines, and entirely new forms of life with traits never seen before. It also offers valuable insights into how life might exist on other planets with different chemical foundations.
While ethical discussions and safety measures remain crucial, this discovery represents a bold step into the future of synthetic biology. Scientists have not only reimagined what life is but have also opened the door to designing it in ways nature never attempted.

Personal Note: I am back from My 3-Day Stint from John Muir. Lucky for me, no surgery was required. My Thanks to Jenny and the THD Staff for the Beautiful white orchid that Greeted me yesterday.     



 Here are my three Favorite Quotes of the Day

 

“Aging seems to be the only available way to live a long life.”

Kitty O’Neill Collins

 

“Life’s tragedy is that we get old too soon and wise too late.”

Benjamin Franklin

 

“We don’t stop playing because we grow old. We grow old because we stop playing.”

George Bernard Shaw


6 comments:

  1. Welcome back, David. May you continue le bon vivant!

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  2. So glad you are back. Missed you at bridge today.

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  3. Just learned today that you were on the "sick list". Glad you are home and hope you continue to thrive. Love the monkeys. Phyllis

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  4. David !! I missed you. So happy you’re back. See you soon. Mary Ann

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  5. Thank You, Jane, Andi, Mary Ann and Phyllis. It's nice to know I have friends here at THD.

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