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Intracerebroventricular infusion of glycine stimulates vasopressin release in conscious sheep.

Rundgren, M (author)
Department of Physiology, Karolinska Institute, S-104 01 Stockholm
Hjelmqvist, H (author)
Department of Physiology, Karolinska Institute, S-104 01 Stockholm
Gunnarsson, Ulf, 1967- (author)
Department of Physiology, Karolinska Institute, S-104 01 Stockholm
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Hahn, R G (author)
Department of Anaesthesiology, Huddinge Universtiy Hospital, Huddinge, Sweden
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 (creator_code:org_t)
1993
1993
English.
In: NeuroReport. - 0959-4965 .- 1473-558X. ; 4:8, s. 1052-4
  • Journal article (peer-reviewed)
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  • We have previously observed that elevation of the plasma glycine concentration stimulates vasopressin (AVP) release in man and sheep. In the present study we show that this effect of glycine can be elicited directly via a cerebral site of action in conscious sheep. Intracerebroventricular infusions of 0.05 and 0.15 M glycine solutions increased the plasma AVP concentration by 6 and 50 times, respectively, while no effect on water intake was observed. Hyperhydration did not block the stimulation of AVP release. No behavioural side effects, or changes in blood pressure, were observed in response to the infusions.

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Rundgren, M
Hjelmqvist, H
Gunnarsson, Ulf, ...
Hahn, R G
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NeuroReport
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Umeå University

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