Think Gene - Latest Comments in Prevailing theory of aging challenged in Stanford worm study

Re: Prevailing theory of aging challenged in Stanford worm study

Privatlaan — Thu, 04 Feb 2010 15:16:49 -0000

Thus, the cells can only divide a fixed number of times before the telomeres disappear and DNA damage occurs. In almost all cancer cells, telomerase has been re-activated, allowing the cells to divide indefinitely.

Re: Prevailing theory of aging challenged in Stanford worm study

Botox — Wed, 27 Jan 2010 13:08:15 -0000

Kim’s lab examined the regulation of aging in C. elegans, a millimeter-long nematode worm whose simple body and small number of genes make it a useful tool for biologists. The worms age rapidly: their maximum life span is about two weeks.

Re: Prevailing theory of aging challenged in Stanford worm study

WonderKing Hacks — Sun, 24 Jan 2010 07:57:42 -0000

These shifts trigger genetic pathways that transform young worms into geezers. The findings will appear in the July 24 issue of the journal Cell.

Re: Prevailing theory of aging challenged in Stanford worm study

Free Online Games — Fri, 22 Jan 2010 10:52:26 -0000

However, natural selection works by favoring genes that help organisms produce lots of offspring. After reproduction ends, genes are beyond natural selection’s reach, so scientists argued that aging couldn’t be genetically programmed.

Re: Prevailing theory of aging challenged in Stanford worm study

Finpecia — Wed, 13 Jan 2010 10:44:56 -0000

Comparing young worms to old worms, Kim’s team discovered age-related shifts in levels of three transcription factors, the molecular switches that turn genes on and off. These shifts trigger genetic pathways that transform young worms into geezers. The findings will appear in the July 24 issue of the journal Cell.

Re: Prevailing theory of aging challenged in Stanford worm study

Chrome Hearts — Wed, 13 Jan 2010 03:18:34 -0000

As there are 4 bases. The base id could be represented in a 2-bit field for each base in a sequence. So, for storing, A G C T could be stored as 00 01 10 11 respectively and then retrieved and converted to human readable A G C T.

Re: Prevailing theory of aging challenged in Stanford worm study

smith — Sun, 13 Sep 2009 18:21:21 -0000

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Re: Prevailing theory of aging challenged in Stanford worm study

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Re: Prevailing theory of aging challenged in Stanford worm study

Vedetta — Fri, 25 Jul 2008 22:30:24 -0000

Live fast, die young.

Re: Prevailing theory of aging challenged in Stanford worm study

Jaesrynn — Fri, 25 Jul 2008 09:40:12 -0000

I learned the gist of this article 15 years ago and have been beating the "free radical" people over the head with the idea for years. This isn't new information.