The morphological development of immunocytochemically identified neurophysin neurons and the evolution of neuropeptide content (neurophysins, vasopressin, and oxytocin) were studied in primary cultures of hypothalami obtained from 15-to 19-day-old embryos. According to their perikaryal surface, two
The release of oxytocin, vasopressin and associated neurophysins after electroconvulsive therapy
β Scribed by Allan I. F. Scott; P. Anne Shering; Stafford L. Lightman; Jean-Jacques Legros; Lawrence J. Whalley
- Publisher
- John Wiley and Sons
- Year
- 1991
- Tongue
- English
- Weight
- 244 KB
- Volume
- 6
- Category
- Article
- ISSN
- 0885-6222
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β¦ Synopsis
Abstract
Blood concentrations of oxytocin (OT), vasopressin (VP) and their associated neurophysins were measured before and after the first electroconvulsive therapy (ECT) given to 12 depressed patients. The maximum concentrations of all four peptides coincided at +2 min, but the increases in OT and VP were about fourβfold greater than their associated neurophysins. None of the peptide increases correlated with spikeβwave or total cerebral seizure activity as measured by electroencephalogram.
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We investigated the effects of dopamine, met-enkephalin and leu-enkephalin on basal and ouabain-stimulated release of oxytocin and vasopressin from isolated neurointermediate lobes. The present study revealed that neurohypophyseal hormone release was not affected by dopamine, neither from lobes of u
The release of arginine-vasopressin (AVP) and oxytocin (OT) from the rat neurointermediate lobe (NIL) of the pituitary was studied in vitro in the male spontaneously hypertensive rat (SHR) and the Wistar-Kyoto rat 0. The basal and stimulated (50 mM KCl; a submaximal dose) release of AVP were signifi
Thirty eight (76 per cent) of a series of 50 depressed patients routinely referred for bilateral electroconvulsive therapy (ECT) improved markedly by two weeks after the last ECT. Patients remained under the care of their responsible clinicians after ECT. Only one-third of the patients who improved