The Pro-Aging Metabolic Reprogramming (PAMRP) theory offers a new perspective on aging, linking metabolic changes with genetic reprogramming to explain aging as a potentially reversible process.
Aging is a multifaceted process that has intrigued scientists for years. A recent study in Engineering proposes a new theory known as Pro-Aging Metabolic Reprogramming (PAMRP), which could change our understanding of aging.
The traditional debate on aging has centered around whether it is a programmed process or a result of stochastic events. The PAMRP theory combines these two perspectives. It suggests that aging is driven by degenerative metabolic reprogramming over time. This involves both the buildup of pro-aging substrates (PASs) through metabolic changes and the emergence of pro-aging triggers (PATs). The combination of PASs and PATs leads to metabolic reprogramming, which in turn causes cellular and genetic reprogramming, ultimately resulting in the aging process.
The Role of Metabolism in Aging
Metabolism plays a crucial role in the PAMRP theory. As organisms age, there are significant changes in metabolic pathways, such as shifts in energy production and nutrient utilization.
These changes initially serve as an adaptive mechanism but can become maladaptive over time, contributing to aging. The theory also distinguishes between different types of metabolic reprogramming, such as adaptive and adverse, and between regenerative and degenerative processes.
The study provides several lines of evidence to support the PAMRP theory. For example, the conservation of basic metabolic pathways across species and the link between metabolism and aging-related factors like entropy and mitochondrial function. Caloric restriction, which is known to extend lifespan, is also seen as evidence as it regulates key controllers of cellular metabolism.
The PAMRP theory has potential implications for anti-aging interventions. It suggests that aging could be preventable, delayable, and even reversible. Compounds that mimic the effects of caloric restriction, known as calorie restriction mimetics (CRMs), could be used to target the metabolic processes involved in aging. However, more research is needed to fully understand and validate the theory, including large-scale clinical trials to test the efficacy of anti-aging interventions in humans.
The PAMRP theory offers a new way of looking at the aging process and could pave the way for future research and interventions aimed at slowing or reversing aging. While the theory shows promise, further studies are required to confirm its validity and explore its full potential.
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10 Comments
Amazing
My theory of aging: Every moment we get older until we die. I can think of several people whom I’d rather not see live a longer life. Most of their names begin with Senator or Congressperson.
We are fast approaching the singularity anything can be possible when you involve AI and Bio systems you could have humans living indefinitely
The support for your conjecture?
https://scitechdaily.com/new-research-suggests-that-we-are-nearing-the-limit-of-human-life-expectancy/
Olshansky’s been attempting to sell that narrative for 30 years. It’s inaccurate:
https://www.npr.org/2023/11/29/1215931150/u-s-life-expectancy-is-recovering-from-covid-19-but-still-lags
And:
https://www.pewresearch.org/short-reads/2024/01/09/us-centenarian-population-is-projected-to-quadruple-over-the-next-30-years/
AI will accelerate finding the means to slow down and/or reverse the aging process:
https://cointelegraph.com/magazine/longevity-escape-velocity-jose-luis-cordeiro-biological-immortality-2030/
If Americans would just stop eating the Standard American Diet and walk 30 minutes a day, that would increase people’s health and lifespan for free. You don’t need AI for that. Cheers!
Unfortunately, according to Pew Research, only 8% of Americans want to live beyond 100:
https://www.pewresearch.org/religion/2013/08/06/living-to-120-and-beyond-americans-views-on-aging-medical-advances-and-radical-life-extension/
We’re not going to be able to live indefinitely. Asteroid impacts do eventually happen, as do severe space weather and various natural and man-made disasters.
With that said current research such as epigenetic reprogramming will allow those who choose to do so the ability to live a healthy lifespan of at least 150 years, if not more.
https://www.sciencedirect.com/science/article/pii/S1568163724000229
I hope not.
Neither the article nor the paper even mention advanced glycation end products, gunk that gradually gums up tissues with protein/lipid/sugar complexes that are a natural consequence of metabolism (and found in some foods) and are notoriously hard to disperse or dissolve, and which the body seems altogether uninterested in getting rid of. Diet doesn’t get rid of it, dieting doesn’t, and exercise can only make it worse if pushed too far.
There is no ‘turning back’ aging without getting rid of AGEs. I’ll wait til they have a study addressing this.
BOOM:
https://www.lifespan.io/news/reversal-of-two-advanced-glycation-end-products-achieved/