Coexistence of melanin-concentrating hormone and alpha-melanocyte-stimulating hormone immunoreactivities in the central nervous system of the locust, Locusta migratoria. 1988

L Schoofs, and S Jegou, and A C Andersen, and M C Tonon, and A N Eberle, and R Huybrechts, and A De Loof, and H Vaudry
Zoological Institute of the University, Leuven, Belgium.

The distribution of melanin concentrating hormone (MCH) in the central nervous system of the locust Locusta migratoria was studied by the indirect immunofluorescence technique, using antibodies against salmon MCH. Most MCH-immunoreactive perikarya were found in the optic lobes at both sides of the brain, dorsally with respect to the lamina ganglionaris. The same neurons also contain alpha-melanocyte-stimulating hormone (alpha-MSH)-like material. In addition, a moderate number of MCH-like neurons, which were devoid of alpha-MSH-immunoreactive substances, was observed in the pars intercerebralis. Bright immunofluorescent fibers were visualized in various regions of the central nervous system of the locust: the optic lobes, the ocelli, the proto-and deuterocerebrum, the subesophageal connectives and the corpora cardiaca. In the ventral nerve cord and the subesophageal ganglion, where alpha-MSH-like cell bodies were encountered, MCH immunoreactive perikarya were absent and immunoreactive fibers were scarce. The coexistence of MCH and alpha-MSH-immunoreactive material within the same specific neurons might indicate an evolutionary relationship of both peptides.

UI MeSH Term Description Entries
D007028 Hypothalamic Hormones Peptide hormones produced by NEURONS of various regions in the HYPOTHALAMUS. They are released into the pituitary portal circulation to stimulate or inhibit PITUITARY GLAND functions. VASOPRESSIN and OXYTOCIN, though produced in the hypothalamus, are not included here for they are transported down the AXONS to the POSTERIOR LOBE OF PITUITARY before being released into the portal circulation. Hypothalamic Pituitary-Regulating Hormones,Hypothalamic Pituitary-Regulating Peptides,Hormones, Hypothalamic,Hormones, Hypothalamic Pituitary-Regulating,Hypothalamic Pituitary Regulating Hormones,Hypothalamic Pituitary Regulating Peptides,Peptides, Hypothalamic Pituitary-Regulating,Pituitary-Regulating Hormones, Hypothalamic,Pituitary-Regulating Peptides, Hypothalamic
D007150 Immunohistochemistry Histochemical localization of immunoreactive substances using labeled antibodies as reagents. Immunocytochemistry,Immunogold Techniques,Immunogold-Silver Techniques,Immunohistocytochemistry,Immunolabeling Techniques,Immunogold Technics,Immunogold-Silver Technics,Immunolabeling Technics,Immunogold Silver Technics,Immunogold Silver Techniques,Immunogold Technic,Immunogold Technique,Immunogold-Silver Technic,Immunogold-Silver Technique,Immunolabeling Technic,Immunolabeling Technique,Technic, Immunogold,Technic, Immunogold-Silver,Technic, Immunolabeling,Technics, Immunogold,Technics, Immunogold-Silver,Technics, Immunolabeling,Technique, Immunogold,Technique, Immunogold-Silver,Technique, Immunolabeling,Techniques, Immunogold,Techniques, Immunogold-Silver,Techniques, Immunolabeling
D008543 Melanins Insoluble polymers of TYROSINE derivatives found in and causing darkness in skin (SKIN PIGMENTATION), hair, and feathers providing protection against SUNBURN induced by SUNLIGHT. CAROTENES contribute yellow and red coloration. Allomelanins,Melanin,Phaeomelanins
D010907 Pituitary Hormones Hormones secreted by the PITUITARY GLAND including those from the anterior lobe (adenohypophysis), the posterior lobe (neurohypophysis), and the ill-defined intermediate lobe. Structurally, they include small peptides, proteins, and glycoproteins. They are under the regulation of neural signals (NEUROTRANSMITTERS) or neuroendocrine signals (HYPOTHALAMIC HORMONES) from the hypothalamus as well as feedback from their targets such as ADRENAL CORTEX HORMONES; ANDROGENS; ESTROGENS. Hormones, Pituitary
D002490 Central Nervous System The main information-processing organs of the nervous system, consisting of the brain, spinal cord, and meninges. Cerebrospinal Axis,Axi, Cerebrospinal,Axis, Cerebrospinal,Central Nervous Systems,Cerebrospinal Axi,Nervous System, Central,Nervous Systems, Central,Systems, Central Nervous
D006110 Grasshoppers Plant-eating orthopterans having hindlegs adapted for jumping. There are two main families: Acrididae and Romaleidae. Some of the more common genera are: Melanoplus, the most common grasshopper; Conocephalus, the eastern meadow grasshopper; and Pterophylla, the true katydid. Acrididae,Locusts,Romaleidae,Grasshopper,Locust
D000521 alpha-MSH A 13-amino acid peptide derived from proteolytic cleavage of ADRENOCORTICOTROPIC HORMONE, the N-terminal segment of ACTH. ACTH (1-13) is amidated at the C-terminal to form ACTH (1-13)NH2 which in turn is acetylated to form alpha-MSH in the secretory granules. Alpha-MSH stimulates the synthesis and distribution of MELANIN in MELANOCYTES in mammals and MELANOPHORES in lower vertebrates. MSH, alpha,alpha Intermedin,alpha-Melanocyte-Stimulating Hormone,(Des-Acetyl)-alpha-MSH,(Desacetyl)alpha-MSH,ACTH (1-13),ACTH (1-13)NH2,ACTH(1-13),Acetylated ACTH (1-13)NH2,Adrenocorticotropin (1-13)NH2,DE-alpha-MSH,Des-Acetyl MSH,Desacetyl alpha-MSH,Desacetyl alpha-Melanocyte-Stimulating Hormone,MSH, (Desacetyl)alpha-,alpha-Melanotropin,Desacetyl alpha MSH,Desacetyl alpha Melanocyte Stimulating Hormone,Hormone, Desacetyl alpha-Melanocyte-Stimulating,Hormone, alpha-Melanocyte-Stimulating,Intermedin, alpha,MSH, Des-Acetyl,alpha MSH,alpha Melanocyte Stimulating Hormone,alpha Melanotropin,alpha-MSH, Desacetyl,alpha-Melanocyte-Stimulating Hormone, Desacetyl
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia

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