Arginine Vasotocin Immunoreactivity in Hypothalamic and Extrahypothalamic Areas of an Amphibian Brain
作者:
R. Thomas Zoeller,
Frank L. Moore,
期刊:
Neuroendocrinology
(Karger Available online 1986)
卷期:
Volume 42,
issue 2
页码: 120-123
ISSN:0028-3835
年代: 1986
DOI:10.1159/000124261
出版商: S. Karger AG
关键词: AVT;Neuropeptide;Amphibian;Microdissection
数据来源: Karger
摘要:
The distribution of arginine vasotocin immunoreactivity (irAVT) was investigated in the brain of male rough-skinned newts (Amphibia: Taricha granulosa)using microdissection and radioimmunoassay techniques. The highest levels of irAVT were observed in the neuroendocrine hypothalamo-hypophysial system. However, detectable quantities of irAVT (greater than 0.40 ng/mg protein) also were observed in extrahypothalamic areas such as pallium, amygdala, striatum and thalamic, tectal and brainstem nuclei. No irAVT was detected in the olfactory bulb, rostral telencephalon, or in specific areas of the caudal telencephalon and diencephalon. These results indicate that, in amphibians, AVT is distributed among a wide range of brain areas and that there is regional specificity in irAVT concentrations.
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