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Membrane-mediated inhibition of corticosterone on the release of arginine vasopressin from rat hypothalamic slices
Liu, X; Chen, YZ
Corresponding AuthorLiu, X()
1995-12-15
Source PublicationBRAIN RESEARCH
ISSN0006-8993
Volume704Issue:1Pages:19-22
AbstractThe arginine vasopressin (AW) released from the hypothalamic slices containing paraventricular and supraoptic nuclei of Sprague-Dawley rats sectioned with vibratome and incubated in static microchambers was measured by radioimmunoassay. The effect of bovine serum albumin-conjugated corticosterone (B-BSA) on the AVP release was investigated. The results were as follows: (1) B-BSA, within 20 min, significantly inhibited AVP release in a dose-dependent manner from 10(-7) to 10(-4) mol/l. (2) RU38486 (10(-4)-10(-3) mol/l) could partially block the inhibitory effect of B-BSA although it by itself did not change the AVP release. (3) With the elevation of Ca2+ concentration in the incubation medium, the AVP release was increased and the inhibitory effect of B-BSA enhanced; while in the absence of Ca2+, the AVP release decreased and the effect of B-BSA attenuated. (4) The inhibitory effect of B-BSA was enhanced in the presence of neomycin which itself had no influence on AVP release. These results indicated that the inhibitory effect of corticosterone is rapid and membrane-mediated which is non-genomic rather than classical genomic, and that the extracellular Ca2+ play a role in this rapid inhibitory effect.
Keywordhypothalamic slice arginine vasopressin corticosterone calcium
Indexed BySCI
Language英语
WOS Research AreaNeurosciences & Neurology
WOS SubjectNeurosciences
WOS IDWOS:A1995TM24200003
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:23[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80717
Collection中国科学院金属研究所
Corresponding AuthorLiu, X
AffiliationSECOND MIL MED UNIV, DEPT PHYSIOL, INST NEUROSCI, SHANGHAI 200433, PEOPLES R CHINA
Recommended Citation
GB/T 7714
Liu, X,Chen, YZ. Membrane-mediated inhibition of corticosterone on the release of arginine vasopressin from rat hypothalamic slices[J]. BRAIN RESEARCH,1995,704(1):19-22.
APA Liu, X,&Chen, YZ.(1995).Membrane-mediated inhibition of corticosterone on the release of arginine vasopressin from rat hypothalamic slices.BRAIN RESEARCH,704(1),19-22.
MLA Liu, X,et al."Membrane-mediated inhibition of corticosterone on the release of arginine vasopressin from rat hypothalamic slices".BRAIN RESEARCH 704.1(1995):19-22.
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