VASOPRESSIN AND VASOACTIVE-INTESTINAL-PEPTIDE INFUSED IN THE PARAVENTRICULAR NUCLEUS OF THE HYPOTHALAMUS ELEVATE PLASMA MELATONIN LEVELS

被引：24

作者：

KALSBEEK, A ^{[1
]}

RIKKERS, M ^{[1
]}

VIVIENROELS, B ^{[1
]}

PEVET, P ^{[1
]}

机构：

[1] UNIV STRASBOURG 1,CNRS,URA 1332,F-67070 STRASBOURG,FRANCE

来源：

JOURNAL OF PINEAL RESEARCH | 1993年 / 15卷 / 01期

关键词：

MELATONIN; SUPRACHIASMATIC NUCLEUS; PEPTIDES; RAT; PARAVENTRICULAR NUCLEUS;

D O I：

10.1111/j.1600-079X.1993.tb00509.x

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

The connection between the suprachiasmatic nucleus (SCN) and the paraventricular nucleus of the hypothalamus (PVN) forms an important component of the melatonin rhythm-generating system. However, the chemical identity of this projection is not known. To test the possible implication of the SCN peptides vasopressin (VP) and vasoactive intestinal peptide (VIP) in this projection, we performed microinfusions in the PVN during the first half of the dark period and subsequently monitored resulting plasma melatonin levels. Infusions for 7 hr of either VP or.VIP, but not oxytocin, caused increased plasma melatonin levels in the middle of the dark period. These observations confirm the role of the PVN in the melatonin rhythm-generating pathway and indicate that both VP and VIP released at the level of the PVN, and probably derived from the SCN, are able to influence peripheral plasma melatonin levels.

引用

页码：46 / 52

页数：7

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