Growth hormone-releasing hormone immunoreactivity in the brain, pituitary, and pineal of the goldfish, Carassius auratus

General and Comparative Endocrinology
S D RaoR E Peter

Abstract

Using antisera directed against carp growth hormone-releasing hormone (cGHRH), the distribution of immunoreactive (ir) structures in the brain, pituitary, and pineal of the goldfish, Carassius auratus, was investigated. The antisera were produced in rabbits by administration of cGHRH(1-44)-NH(2) followed by cGHRH(1-45)-OH for different periods of time, both coupled to human alpha-globulins via bisdiazotized benzidine as immunogen. Immunoreactive perikarya were visualized in the nucleus preopticus periventricularis (NPP), nucleus lateralis tuberis (NLT), nucleus of the lateral lemniscus (NLL), and the pineal. The preoptic area and area ventralis telencephali seemed to receive innervation from the NPP cells. The fibers of the NLT cell bodies extended caudally along the infundibular floor and innervated the hypophysis. The processes of the NLL perikarya extended rostrally along the lateral lemniscus, curved ventrally along the outer margin of the glomerular nuclear complex, and extended to the dorsal area of the lateral recess, while issuing fascicles that branched off and fanned out to innervate extensively the nucleus diffusus of the hypothalamic inferior lobes and the nucleus lateralis tori; several fiber bundles branched off a...Continue Reading

Citations

Dec 11, 2008·Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology·Daisuke Ojima, Munehico Iwata
Feb 9, 2007·General and Comparative Endocrinology·Luis Fabián CanosaRichard E Peter
Aug 19, 2000·Biochemistry and Cell Biology = Biochimie Et Biologie Cellulaire·A O WongJ P Chang
Oct 24, 2002·International Journal of Developmental Neuroscience : the Official Journal of the International Society for Developmental Neuroscience·Leandro Andrés MirandaGustavo Manuel Somoza

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