Do sharks really not get cancer, and if not why?
abcd at 1.net
Sat Mar 1 22:34:41 EST 1997
Jim Barron wrote:
> I have read that there is an oil in shark liver that acts to chelate
> mercury. Would this be Squalamine? Since sharks are so high on the
> marine food chain and mercury is known to be a problem in things like
> tuna, etc. presumeably they must have SOME method for dealing with it.
> jdbarron at cphl.mindspring.com
Humans and mammals use a chelating protien called metallothionen, which
regularly transports metals in the blood but will also chelate heavy
metals. Sharks might use something similar.
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