Brain, Vol. 107, No. 1, 107-114, 1984
© 1984 Oxford University Press
research-article |
SPECIFIC RECEPTORS FOR CALCITONIN IN THE SUBFORNICAL ORGAN OF THE BRAIN
From the Departments of Anatomy and Medicine, McGill University Montreal, Quebec, Canada H3A 2B2
A radioautographic method was used to locate specific binding sites for biologically active iodinated calcitonin in rats. The results show that the subfornical organ of the brain, a suspected water regulating organ, is a specific target for calcitonin. The hormone predominantly binds to processes of tanycytes, suggesting that these ependymal cells play an intermediate role between the endocrine and nervous systems.
Received February 1, 1983.
Revised April 10, 1983.
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