IUBio

Effect of coffein

dag.stenberg at helsinki.nospam.fi dag.stenberg at helsinki.nospam.fi
Thu May 18 04:58:33 EST 2000


Etaoin Shrdlu <cooper17.spamless at xs4all.nl> wrote:
>> Jure Sah <jure.sah at guest.arnes.si> wrote:
>> > What is the effect of cofein on neuro systems?

>> In reasonable doses it blocks adenosine receptors, and adenosine is
>> a substance that is endogenous (the brain produces it) and will
>> inhibt neuronal activity. Caffeine will thus allow adenosine to
>> inhibit neuronal function.
>> Dag Stenberg

> Must admit I'm confused. If adenosine inhibits neuronal function, then
> surely blocking its receptors would inhibit its ability to inhibit
> neuronal function, not "allow" it.

Yes, I wrote what I did not mean, and did not see it until you pointed
it out. It should have read "Caffeine will PREVENT adenosine from
inhibiting neuronal function". Please do not be confused any more.

Dag Stenberg




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