Clonidine decreases plasma and cerebrospinal fluid arginine vasopressin but not oxytocin in humans

Elaine R. Peskind, Murray A. Raskind, Rosemary D. Leake, M. Gore Ervin, Michael G. Ross, Daniel Dorsa

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

To evaluate the α2:-noradrenergic regulation of arginine vasopressin (AVP) and oxytocin (OT) in normal humans, we measured the effect of the α2-agonist clonidine on concentrations of these neuropeptides in both plasma and cerebrospinal fluid (CSF). Subjects underwent two lumbar puncture studies, one of which was performed 100 min after oral administration of 5 µg/kg clonidine. Plasma AVP and OT were measured at a single time point 10 min before lumbar puncture. Both plasma and CSF AVP were significantly lower in the clonidine condition than in the control (no drug) condition. Neither plasma nor CSF OT differed significantly between conditions. Our data confirm previous reports of α2-noradrenergic inhibition of neurohypophyseal release of AVP into blood, and extend these findings to healthy human subjects. Our data also suggest that AVP appearance in CSF. Presumably from extraneurohypophyseal vasopressinergic neurons, is regulated by an inhibitory α2-noradrenergic mechanism.

Original languageEnglish (US)
Pages (from-to)395-400
Number of pages6
JournalNeuroendocrinology
Volume46
Issue number5
DOIs
StatePublished - 1987
Externally publishedYes

Fingerprint

Arginine Vasopressin
Clonidine
Oxytocin
Cerebrospinal Fluid
Vasotocin
Spinal Puncture
Drug and Narcotic Control
Neuropeptides
Oral Administration
Healthy Volunteers
Neurons

Keywords

  • Arginine vasopressin
  • Cerebrospinal fluid
  • Clonidine
  • Oxytocin

ASJC Scopus subject areas

  • Endocrinology
  • Endocrinology, Diabetes and Metabolism
  • Cellular and Molecular Neuroscience
  • Endocrine and Autonomic Systems
  • Neuroscience(all)

Cite this

Clonidine decreases plasma and cerebrospinal fluid arginine vasopressin but not oxytocin in humans. / Peskind, Elaine R.; Raskind, Murray A.; Leake, Rosemary D.; Ervin, M. Gore; Ross, Michael G.; Dorsa, Daniel.

In: Neuroendocrinology, Vol. 46, No. 5, 1987, p. 395-400.

Research output: Contribution to journalArticle

Peskind, Elaine R. ; Raskind, Murray A. ; Leake, Rosemary D. ; Ervin, M. Gore ; Ross, Michael G. ; Dorsa, Daniel. / Clonidine decreases plasma and cerebrospinal fluid arginine vasopressin but not oxytocin in humans. In: Neuroendocrinology. 1987 ; Vol. 46, No. 5. pp. 395-400.
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