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Behavioral functions of Wistar and Long-Evans Cinnamon (LEC) rats, Wilson's disease animal model, were compared by measuring the open-field, acoustic startle reflex and prepulse inhibition (PPI), and shuttle-box avoidance learning tests with or without oral supplementation with copper or D-penicillamine, copper chelator. All of the LEC rats, irrespective of(More)
Epidemiological data suggest a relationship between maternal infection and a high incidence of schizophrenia in offspring. An animal model based on this hypothesis was made by injecting double-stranded RNA, polyinosinic-polycytidylic acid (poly-I:C), into early pregnant mice, and their offspring were examined for biochemical and histological abnormalities.(More)
A considerable quantity of endothelin-like immunoreactivity was demonstrated as present in the CSF of patients with subarachnoid hemorrhage. The endothelin levels in the CSF raised from 0.4 +/- 0.2 (Mean +/- SD) pmol/L at Day 0-1 to 2.2 +/- 0.6 pmol/L at Day 6 and the levels decreased gradually. The result suggest that endothelin may contribute the(More)
The effects of pituitary adenylate cyclase activating polypeptide (PACAP) on the cardiovascular system were examined. When PACAP-38 (270 or 420 pmol/kg body weight) was administered intravenously to the anesthetized dogs, both mean arterial pressure and left ventricular systolic pressure increased within 2 min after a temporal depression. Pulmonary arterial(More)
We investigated the possible relation between neuropeptides and cerebral vasoconstriction in samples of ventricular or cisternal cerebrospinal fluid from 14 patients with subarachnoid hemorrhage. Neuropeptide Y, calcitonin gene-related peptide, atrial natriuretic peptide, and pituitary polypeptide 7B2 were present in the cerebrospinal fluid of these(More)
To study the role of the hypothalamus in the regulation of growth hormone (GH) synthesis, the rate of amino acid incorporation into GH in vitro was examined in rats with anterolateral deafferentation of the medial basal hypothalamus. Amino acid incorporation into GH (GH synthesis) decreased significantly 7 days after the deafferentation, although prolactin(More)
Visit-to-visit blood pressure (BP) variability is an important predictor of stroke. However, which antihypertensive drug combination is better at reducing visit-to-visit BP variability and therefore at reducing stroke incidence remains uncertain. We have previously reported that the dihydropyridine calcium channel blocker benidipine combined with a(More)
Changes in 7B2 immunoreactivity in the pituitary as well as in the other brain regions and gut after various endocrine situations were investigated. Gonadectomy and neonatal monosodium glutamate (MSG) treatment resulted in an appreciable increase in the pituitary 7B2 concentration, though 7B2 content in the MSG treated pituitary was not significantly(More)
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