In article <6upjsi$vbt$1 at nnrp1.dejanews.com>, andrewmason at my-dejanews.com
>Just some wild speculation here -
>>An opinion I have read is that increased lifespan under CR may be a way of
>organism making the "best of a bad lot" when conditions are so bad that it
>would be unlikely that offspring would survive. Extending life until
>conditions improved may be a strategy that has evolved that optimises
>reproductive fitness under difficult conditions.
>>Is it possible that the mechanism for this is lengthening of telomeres under
>CR, either via telomerase expression or the ALT pathway for lengthening
>telomeres seen in mice. Has anyone ever tested for telomere length extension
>in CR mice?
>>Given the heated discussions between proponents of CR and those supporting
>telomere theory of aging in this newsgroup, it would be ironic if such a
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Unfortunately some of the argument appears to be about this possible
interaction. When I merely mentioned that delaying mitotic activity through
CR may be beneficial I was attacked for mis-leading the group.
Even though this delayed mitotic activity delays the shortening of
the telomeres it is, apparently, not considered a "beneficial" effect.
Thomas Mahoney, Pres.
Lifeline Laboratories, Inc.