A compelling study from the Weizmann Institute of Science has revealed a new anti-aging strategy designed to help the immune system remove old and dysfunctional cells from the body. The initial animal experiments promisingly restored youthful characteristics in old mice, suggesting improving immune system surveillance may be an effective anti-aging therapy.
Weizmann Institute of Science. (2018, December 31). The immune system’s fountain of youth: Helping the immune system clear away old cells in aging mice helped restore youthful characteristics. ScienceDaily. Retrieved January 1, 2019 from www.sciencedaily.com/releases/2018/12/181231103951.htm
Posted in biotech/medical, genetics, life extension | 1 Comment on Rejuvenation: The discovery of animal cloning and subsequent development of cell reprogramming technology were quantum leaps as they led to the achievement of rejuvenation by cell reprogramming and the emerging view that aging is a reversible epigenetic process
Here, we will first summarize the experimental achievements over the last 7 years in cell and animal rejuvenation. Then, a comparison will be made between the principles of the cumulative DNA damage theory of aging and the basic facts underlying the epigenetic model of aging, including Horvath’s epigenetic clock. The third part will apply both models to two natural processes, namely, the setting of the aging clock in the mammalian zygote and the changes in the aging clock along successive generations in mammals. The first study demonstrating that skin fibroblasts from healthy centenarians can be rejuvenated by cell reprogramming was published in 2011 and will be discussed in some detail. Other cell rejuvenation studies in old humans and rodents published afterwards will be very briefly mentioned. The only in vivo study reporting that a number of organs of old progeric mice can be rejuvenated by cyclic partial reprogramming will also be described in some detail. The cumulative DNA damage theory of aging postulates that as an animal ages, toxic reactive oxygen species generated as byproducts of the mitochondria during respiration induce a random and progressive damage in genes thus leading cells to a progressive functional decline. The epigenetic model of aging postulates that there are epigenetic marks of aging that increase with age, leading to a progressive derepression of DNA which in turn causes deregulated expression of genes that disrupt cell function. The cumulative DNA damage model of aging fails to explain the resetting of the aging clock at the time of conception as well as the continued vitality of species as millenia go by. In contrast, the epigenetic model of aging straightforwardly explains both biologic phenomena. A plausible initial application of rejuvenation in vivo would be preventing adult individuals from aging thus eliminating a major risk factor for end of life pathologies. Further, it may allow the gradual achievement of whole body rejuvenation.
Calico will be conducting research until 2022, when it will enter “Phase 2a studies” — or as experts have hinted, human testing — and finally the “late-stage development activities.”
By The Telegraph 3 days…
The next step for our Forever Healthy Berlin meetup…
We are a community collaborating on how to implement our early stage rejuvenation treatments.
The world has started the transition from an era where we were utterly helpless about our aging process to one where aging is under full medical control, and age-related diseases are a thing of the dark past.
We are not there yet, but the theoretical groundwork has been laid out, and scientists have successfully started working on the fundamentals. The first human rejuvenation therapies are under development and with Senolytics, NAD+ Restoration, Lipid Replacement, Decalcification, mTOR Modulation, Geroprotectors, and others some of those therapies are already available to the early adopters today.
Thanks to Authority Magazine and Fotis Georgiadis for the interview — Bioquark inc. (http://www.bioquark.com) — Regeneration, Disease Reversion, Age Rejuvenation — https://medium.com/authority-magazine/the-future-is-now-we-a…cc6dc8ebf1
BEIJING, Dec. 28 (Xinhua) — A Chinese research group has identified a gene variant that plays a key role in the development of Alzheimer’s disease in Han Chinese, the largest ethnic group in China.
The study was recently published by the National Science Review, an English journal affiliated with the Chinese Academy of Sciences (CAS).
Alzheimer’s disease (AD) is an irreversible, progressive brain disorder that slowly destroys memory, thinking skills and the ability to carry out simple tasks. The disease affects about 48 million people worldwide, and the number is expected to increase with the aging population. There is no effective cure.
There has been considerable interest in fisetin recently, especially for its potential as a senolytic, which clears away dysfunctional senescent cells that accumulate with aging. Researchers believe that fisetin may be useful in increasing the healthy period of life known as healthspan.
What is Fisetin?
Fisetin is a naturally occurring flavonol and part of the flavonoid family of polyphenols. Fisetin also acts as a pigment and influences the color of various fruits and vegetables. It can be found in many common fruits and vegetables, although the amounts greatly vary.
Merry Christmas
Is the Fountain of Youth still just a dream, or does hope spring eternal when it comes to beating the curse of aging? Having haunted us for centuries, is a solution finally within our grasp? We spoke to Dr Aubrey de Grey, anti-aging pioneer, chief science officer, and co-founder of SENS Research Foundation.
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Sophie Shevardnadze: Dr. Aubrey de Grey, anti-aging pioneer, chief science officer and co-founder of SENS Research Foundation, welcome to the show, great to have you with us. So what you propose in order to reverse aging is cleaning the organism of all the junk that accumulates there on the cellular level. Tell me the gist of it – why will that stop the wearing of time on my organs?
I was in a really interesting 1-hour debate yesterday with Jean-Francois Gariépy who runs a well-known YouTube channel The Public Space, sometimes associated with the Alt-Right. We discussed #transhumanism. I think the debate caught a lot of people by surprise. While I believe in and embrace total diversity, I despise the oppression of human biology and death, and advocate for any means possible to overcome it—including genetic modification and merging with machines. The debate makes me look like the aggressor. But it only proves what I’ve always said, that issues of race and traditional cultural bigotry are minor compared to the issues of humanity battling aging and death itself. All of us are currently in a war to not die:
An important debate on whether or not humanity should play with their own genes. Guest: Zoltan Istvan, transhumanist.
Zoltan on Twitter: https://twitter.com/zoltan_istvan
