Regrowing telomeres

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Belgarath
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Regrowing telomeres

Postby Belgarath » Wed Aug 16, 2017 5:48 pm

Scientists recently made old cells “young” again using a new technique to make the cells regrow their telomeres.

http://www.medicaldaily.com/old-cells-p ... most_read2


Telomeres are the protective ends of our chromosomes that naturally shorten with age. Although the cells were only grown in a petri dish and not implanted back into a person, the study marks a major step forward in controlling, and even reversing, the cellular aging process.

Researchers from Houston Methodist Research Institute (HMRI) used a new technique to introduce RNA into the DNA of cells taken from patients with progeria, a genetic disease that causes individuals to age at an accelerated rate. As a result, the RNA introduction caused the cells to create more telomerase, a key component in telomeres. In turn, this caused the telomeres to grow longer, Motherboard reported.

The age-reversed cells were not implanted back into people, which means that we aren’t sure if the age-reversal can last or what implications it may have. In addition, while telomeres are associated with aging, the correlation is not exactly perfect, as some older individuals can have longer telomeres than younger people. So, it could be that telomere extension may work in theory, but in reality, has little or no effect on our health. Lengthening telomeres could also have some serious consequences, such as increasing cancer risk, Dr. Peter Lansdorp, a professor of medical genetics at the University of British Columbia and scientist at the BC Cancer Agency, told Motherboard.

Lengthening telomeres may hold the key for finally creating an effective treatment for children with protergia. In addition, telomere lengthening may not only add more time to your cells’ life spans, it could also reverse some of the damage caused by aging.
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What effect on aging do you think this would have if it actually works in living humans? Would undo certain parts of aging, or make it easier to deal with? Would it drastically extend life expectancy or just be a niche treatment for a few specific diseases?
Please don't put your fingers there

Betruger
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Re: Regrowing telomeres

Postby Betruger » Wed Aug 16, 2017 10:12 pm

Or why does the public generally agree with doctors' H.oath and with govt's protection of the pursuit of happiness, but disagree (electorally) with living healthier and longer IOW more of the same thing they already approve of?

Diogenes
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Re: Regrowing telomeres

Postby Diogenes » Thu Aug 17, 2017 10:31 pm

‘What all the wise men promised has not happened, and what all the damned fools said would happen has come to pass.’
— Lord Melbourne —

hanelyp
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Re: Regrowing telomeres

Postby hanelyp » Fri Aug 18, 2017 3:28 am

Indeed, shortening telomeres are but one of several elements of cellular aging. Unless other factors are also accounted for increased cancer seems a risk.
The daylight is uncomfortably bright for eyes so long in the dark.

Betruger
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Re: Regrowing telomeres

Postby Betruger » Fri Aug 18, 2017 8:14 am

Suggest reading more from e.g. fightaging and SENS if this is news.

kurt9
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Re: Regrowing telomeres

Postby kurt9 » Fri Aug 18, 2017 4:44 pm

An RNA vaccine or treatment could be developed to do this. It could even be done in a home lab and be even cheaper to develop than the CRISPR therapy Liz Parrish developed in her home lab to accomplish the same purpose two years ago.

However, I think it unlikely that telomere shortening is a major cause of aging. I think its an effect rather than cause. I still maintain the primary cause of aging is mitochondrial dysfunction (either mDNA damage or damage to the mPTP), a therapy to fix which can also be developed in the near future.

Accumulation of senescent cells appears to also be a major cause of aging. There are already start-up companies (is there ANYTHING that cannot be accomplished through entrepreneurship?) develop treatments for this as well.

Diogenes
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Re: Regrowing telomeres

Postby Diogenes » Mon Aug 21, 2017 6:02 pm

‘What all the wise men promised has not happened, and what all the damned fools said would happen has come to pass.’
— Lord Melbourne —

kurt9
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Re: Regrowing telomeres

Postby kurt9 » Wed Aug 23, 2017 4:18 pm

Then I'll have to give Quercitin a try and find out for myself.

kurt9
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Re: Regrowing telomeres

Postby kurt9 » Wed Aug 23, 2017 4:47 pm


Diogenes
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Re: Regrowing telomeres

Postby Diogenes » Wed Aug 23, 2017 6:47 pm

‘What all the wise men promised has not happened, and what all the damned fools said would happen has come to pass.’
— Lord Melbourne —

Diogenes
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Re: Regrowing telomeres

Postby Diogenes » Wed Aug 23, 2017 6:48 pm

‘What all the wise men promised has not happened, and what all the damned fools said would happen has come to pass.’
— Lord Melbourne —

MSimon
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Re: Regrowing telomeres

Postby MSimon » Mon Aug 28, 2017 12:34 pm


Belgarath
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Re: Regrowing telomeres

Postby Belgarath » Thu Aug 23, 2018 3:23 am

Please don't put your fingers there

Diogenes
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Re: Regrowing telomeres

Postby Diogenes » Thu Aug 23, 2018 10:39 pm

‘What all the wise men promised has not happened, and what all the damned fools said would happen has come to pass.’
— Lord Melbourne —

williatw
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Re: Regrowing telomeres

Postby williatw » Sat Aug 25, 2018 12:34 am



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