In vivo secretion of LHRH in ovariectomized rats is regulated by a possible autofeedback mechanism

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Abstract

An episodic secretion of LHRH in pituitary portal blood was observed in ovariectomized and hypophysectomized rats under Saffan anesthesia. This anesthetic did not effect the pulsatile release of LH in ovariectomized rats. Third-ventricular administration of an LHRH agonist, at a concentration which did not cross-react in the LHRH RIA, suppressed both the pulse amplitude and frequency of LHRH release. This inhibitory action of the LHRH agonist on LHRH release was blocked by an LHRH antagonist.

Original languageEnglish (US)
Pages (from-to)510-513
Number of pages4
JournalNeuroendocrinology
Volume45
Issue number6
DOIs
StatePublished - Jan 1 1987
Externally publishedYes

All Science Journal Classification (ASJC) codes

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

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