Immunocytochemical localization of somatostatin in cell bodies of the rat hypothalamus

The American Journal of Anatomy
R Elde, J A Parsons

Abstract

Cell bodies of small to moderate-sized neurons in the female rat hypothalamus were stained specifically for somatostatin (SRIF) by means of the unlabeled antibody-peroxidase-antiperoxidase immunocytochemical method. SRIF-positive perikarya were scattered throughout the periventricular nucleus in a limited region extending from the middle of the optic chiasm to the rostral margin of the median eminence. The same neurons were revealed with either rabbit (R) or guinea pig (GP) anti-SRIF antisera. Positive cell bodies were more readily assessed with GP antibodies because nonspecific background staining was much less with these than with R anti-SRIF. Positive perikarya were not observed in other hypothalamic nuclei and ependymal elements were also immunocytochemically negative.

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Jan 14, 1978·Diabetologia·R LuftT Hökfelt
May 25, 1981·Brain Research·K TakatsukiM Tohyama
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Nov 1, 1983·Clinics in Endocrinology and Metabolism·A Gómez-Pan, M D Rodriguez-Arnao

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