Abstract:
:Large prospective epidemiologic studies have linked the consumption of coffee and other caffeinated beverages to a reduced risk of subsequently developing PD. Caffeine as well as more specific antagonists of the adenosine A(2A) receptor have also now been found to attenuate neurotoxicity in a mouse model of PD. The convergence of these epidemiologic and laboratory data supports the possibility that caffeine may reduce the risk of developing PD. However, a neuroprotective effect of caffeine in PD remains unproven; current evidence does not provide a rational basis for recommending caffeine consumption to modify the risk or progression of PD. In addition to possessing neuroprotective potential, caffeine and other A(2A) antagonists have long been known to acutely reverse motor deficits in a variety of PD models. This symptomatic antiparkinsonian benefit of blocking A(2A) receptors, coupled with their remarkably restricted expression in the basal ganglia, have made A(2A) antagonists attractive targets for drug development. Now, with the prospect of a neuroprotective bonus, the novel therapeutic potential of A(2A) antagonists appears all the more promising just as they are entering clinical trials for PD.
journal_name
Neurologyjournal_title
Neurologyauthors
Schwarzschild MA,Chen JF,Ascherio Adoi
10.1212/wnl.58.8.1154subject
Has Abstractpub_date
2002-04-23 00:00:00pages
1154-60issue
8eissn
0028-3878issn
1526-632Xjournal_volume
58pub_type
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