In this study we attempted to determine behavioural, including cognitive, consequences of the brain AT(1) (losartan, 2 nmol), AT(2) (PD 123319, 1.5 nmol), and joint AT(1)/AT(2) angiotensin receptors… (More)
This study tests the hypothesis that the facilitation of learning and improvement of memory observed after an intracerebroventricular (i.c.v.) injection of angiotensin II (Ang II) is, in fact, caused… (More)
It has been recognized that the stress-related peptides are involved in anxiety states. Angiotensin II receptor blockade by systemic administration of the AT(1) receptor antagonists has been proposed… (More)
Angiotensin IV (Ang IV) and des-Phe(6)Ang IV are naturally occurring neuroactive peptides of the renin-angiotensin system (RAS) involved in memory processing. However, the relevant mechanisms are… (More)
In this study we tested the hypothesis that St John's wort (Hypericum perforatum) may counteract stress-induced memory impairment. Object recognition test and Morris water maze were used to determine… (More)
An important role for angiotensin IV (Ang IV) in the processes of learning and memory has now been well established. We have previously found that intracerebroventricular (ICV) administration of Ang… (More)
Tamoxifen can exert its effects through the competitive inhibition of estrogen receptors or other mechanisms. HepG2 cells lacking estrogen receptors and engineered to overexpress CYP3A4, the most… (More)
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This study explores behavioral effects of angiotensin II (Ang II) and a potent AT(1) receptor inhibitor valsartan ((S)-N-valeryl-N-{[2'-(1H-tetrazol-5-yl)biphenyl-4-yl]-methyl}-valine).… (More)
In this study effect of L745,870, a selective D(4) dopamine (DA) receptor blocker, on the pro-cognitive action of intracerebroventricularly (icv) injected angiotensin IV (Ang IV) and des-Phe(6)-Ang… (More)
Acetaminophen hepatotoxicity is mediated by an initial metabolic activation and covalent binding of drug metabolites to liver proteins. Acetaminophen metabolites have been shown to affect rat liver… (More)