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  • The memory-facilitating effects of the competitive NMDA-receptor antagonist CGP 37849 are steroid-sensitive, whereas its memory-impairing effects are not.

The memory-facilitating effects of the competitive NMDA-receptor antagonist CGP 37849 are steroid-sensitive, whereas its memory-impairing effects are not.

Psychopharmacology (1996-04-01)
C Mondadori, J Borkowski, C Gentsch
ABSTRACT

The retention performance of mice in a passive-avoidance task was facilitated by low doses (0.3 mg/kg) of the competitive NMDA-receptor blocker CGP 37849, but impaired by high doses (30 mg/kg). The facilitatory effect was selectively suppressed by elevation of the plasma levels of aldosterone or corticosterone, or by blockade of steroid biosynthesis or the mineralocorticoid receptors. The impairment of memory, on the other hand, was not steroid sensitive. Accordingly, the data are in line with the hypothesis that drug induced memory facilitation is dependent on steroid sensitive processes.

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Sigma-Aldrich
Eplerenone, ≥98% (HPLC)