ACTH-immunoreactive neurons and their projections in the cat forebrain |
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Authors: | K Kitahama M Sallanon C Buda M Janin M P Dubois M Jouvet |
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Affiliation: | 1. Département de Médecine Expérimentale, INSERM U52 Faculté de Médecine, Université Claude Bernard, Lyon, France;2. CNRS UA1195 Faculté de Médecine, Université Claude Bernard, Lyon, France;3. Laboratoire de Neuroendocrinologie, INRA, Nouzilly, France |
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Abstract: | The organization of adrenocorticotropin (ACTH)-immunoreactive (IR) cell bodies and fibers in the cat forebrain is described. ACTH-IR cell bodies are found only in and around the arcuate nucleus of the hypothalamus (ARH). They are not detected elsewhere even after pretreatment with colchicine. ACTH-IR fibers are present in discrete areas of the hypothalamus, the septo-limbic areas and in the paraventricular thalamic nucleus. Complete electrolytic lesions of the ARH destroy ACTH-IR cell bodies as well as fibers in all parts of the brain. These results suggest that, in the cat forebrain, the ARH is the only source of ACTH-IR fibers. |
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