David S. Mallory

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The objective of this study was to examine whether specific activation of mu-opioid receptors at the level of the medial preoptic-anterior hypothalamic area (MPOA-AHA) could suppress pulsatile LH release. The experiments were done using rats that had been ovariectomized (OVX) 24 hr before on diestrus 2, animals in which we have previously demonstrated an(More)
The Effect of Substance P on Ovariectomy-induced Memory Deficits in Rats Jamie L. Haga The present experiment was designed to test whether pretreatment with substance P would affect ovariectomy-induced memory deficits in rats for retention in the Morris water maze. Adult female Sprague-Dawley rats were divided to two groups: (1) control (received saline)(More)
Naloxone, an endogenous opioid peptide (EOP) receptor antagonist, increases LH pulse frequency and amplitude in early gestation in the rat (7). The object of this study was to further explore the suppression of pulsatile LH release by EOPs on day 8 of pregnancy by examining whether inhibition of norepinephrine (NE) or epinephrine (EPIN) synthesis, or(More)
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