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Long term effects of pergolide and (-)-deprenyl on 3H-mazindol and 3H-spiperone binding in rat brain

Gallagher, Imelda and Clow, Angela and Jenner, Peter and Glover, Vivette (1999) Long term effects of pergolide and (-)-deprenyl on 3H-mazindol and 3H-spiperone binding in rat brain. Neurobiology of Aging, 20 (6). pp. 709-713. ISSN 0197-4580

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Official URL: http://dx.doi.org/10.1016/S0197-4580(99)00026-3

Abstract

The effects of long-term administration of the putative neuroprotective agents pergolide and (−)-deprenyl was assessed by studying 3H-mazindol and 3H-spiperone binding at 12 and 20 months in the major dopamine brain regions. Male Wistar rats were treated from 3 to 20 months, together with their respective untreated and saline injected control groups. The main findings were: 1) there was a decrease in both 3H-mazindol and 3H-spiperone binding with age between 12 and 20 months; 2) there were no differences at 20 months between the pergolide or the (−)-deprenyl treated groups and their controls, thus providing no evidence for long-term neuroprotection; and 3) there was a marked decrease in 3H-mazindol binding in the injected controls compared with the untreated controls at both 12 and 20 months. This raises the possibility that mild chronic stress may accelerate the aging of the dopamine system.

Item Type:Article
Research Community:University of Westminster > Social Sciences, Humanities and Languages, School of
ID Code:9869
Deposited On:07 Dec 2011 12:09
Last Modified:07 Dec 2011 12:09

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