PMID: 8588833Oct 1, 1995Paper

Immunocytochemical localization of the catecholamine-synthesizing enzymes, tyrosine hydroxylase and dopamine-beta-hydroxylase, in the hypothalamus of cattle

Journal of Chemical Neuroanatomy
L S LeshinT E Kiser

Abstract

Immunocytochemical staining for the presence of catecholamine synthesizing enzymes, tyrosine hydroxylase and dopamine beta-hydroxylase, was used to characterize the regional distribution of catecholaminergic neurons in the hypothalamus and adjacent areas of domestic cattle, Bos taurus. In steers, heifers and cows, tyrosine hydroxylase-immunoreactive perikarya was located throughout periventricular regions of the third cerebral ventricle, in both anterior and retrochiasmatic divisions of the supraoptic nucleus, suprachiasmatic nucleus, and ventral and dorsolateral regions of the paraventricular nucleus, dorsal hypothalamus, ventrolateral aspects of the arcuate nucleus, along the ventral hypothalamic surface between the median eminence and optic tract, and in the posterior hypothalamus. Immunostained perikarya ranged from small (10-20 microns, parvicellular) to large (30-50 microns, magnocellular) and were of multiple shapes: round, triangular, fusiform or multipolar, often with 2-5 processes of branched arborization. There were no dopamine-beta-hydroxylase immunoreactive perikarya observed within the hypothalamus and adjacent structures. However, both tyrosine hydroxylase and dopamine-beta-hydroxylase immunoreactive fibers and p...Continue Reading

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Citations

Sep 30, 2000·Brain Research. Brain Research Reviews·W J Smeets, A González
Apr 12, 2002·Progress in Neurobiology·A Merighi
Apr 20, 2001·Domestic Animal Endocrinology·C D McMahonH A Tucker
Feb 21, 2009·American Journal of Hypertension·Francesca SaladiniUNKNOWN HARVEST Study Group
Sep 13, 2019·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Illke B MalungoPaul R Manger
Jun 9, 2014·Physiological Research·M HerridJ R McFarlane

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