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Camilla, You're most welcome! By the way, Camilla, there is one slight correction to note: at one point, referring to the proposed "HDV virus", or Human Dopamine-Neutralizing Virus, I typed tyrosine DEhydroxylase instead of what I meant to type, tyrosine hydroxylase. I had another thought about the proposed "HDV virus"'s action today--what if the virus covers over the dopamine receptor sites on cell membranes--the same receptor sites that agonists like Permax and Mirapex are thought to stimulate? IF a PD-causing virus blocked dopamine receptor sites, then even if dopamine is present, it would not be transportable from one cell to another in the brain, because it would never be recognized by its intended receptors. Viruses are well-known to attach themselves to cell surfaces of the host, which they then attack. This HDV-virus model involves interception of dopamine TRANSPORT, rather than interruption of dopamine PRODUCTION. Looks like there are fascinating answers awaiting an enterprising research team ! Yours sincerely, Ivan Suzman On Tue, 16 Feb 1999 17:28:28 -0500 Camilla Flintermann <[log in to unmask]> writes: >I am no scientist, and so am unable to evaluate the scenario Ivan >presented >about the viral origin of PD. I think it is certainly worth >considering, >along with other approaches, as he makes what seems a very convincing >case. >Thanks, Ivan. for this thoughtful and thought-provoking contribution >to the >list. > >Camilla Flintermann, CG for Peter 80/70/55 >Oxford, Ohio >http://www.newcountry.nu/pd/members/camilla/one.htm ><[log in to unmask]> > > "Ask me about the CARE list for > Caregivers of Parkinsonians ! " > ^^^^^^ WARM GREETINGS FROM ^^^^^^^^^^^^ :-) Ivan Suzman 49/39/36 [log in to unmask] :-) Portland, Maine land of lighthouses 24 deg. F :-) ********************************************************************