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Brain Res. 1995 Jun 19;683(2):270-4.

Castration increases [125I]MK801 binding in the hippocampus of male rats.

Author information

1
Department of Veterinary PathoBiology, University of Minnesota, St. Paul 55108, USA.

Abstract

This study examines the effect of castration and androgen replacement on [125I]MK801 binding in the hippocampus. In castrated male rats, [125I]MK801 binding was significantly increased in both the stratum oriens and radiatum and the pyramidal cell layer of CA1. In contrast, no increase in [125I]MK801 binding was observed in the stratum oriens and radiatum of CA1 of castrated rats that were treated with dihydrotestosterone. No change in [125I]MK801 binding was observed in the CA3 region or dentate gyrus after castration. The observed increase in [125I]MK801 binding in pyramidal cell neurons within CA1 suggests that androgens may potentially affect hippocampal function by modulating pyramidal cell NMDA receptors.

PMID:
7552365
DOI:
10.1016/0006-8993(95)00384-3
[Indexed for MEDLINE]

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