Chromatographic and immunological identification of GnRH (Gonadotropin-releasing hormone) variants. Occurrence of mammalian and a salmon-like GnRH in the forebrain of an eutherian mammal: Hydrochaeris hydrochaeris (Mammalia, Rodentia)

The molecular variants of Gonadotropin releasing hormone (GnRH) in brain extracts of the eutherian mammal Hydrochaeris hydrochaeris (Mammalia, Rodentia) were characterized. An indirect method combining reverse-phase high-performance liquid chromatography (RP-HPLC) and radioimmunoassay (RIA) with dif...

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Autor principal: Montaner, A.D
Otros Autores: Somoza, G.M, King, J.A, Bianchini, J.J, Bolis, C.G, Affanni, J.M
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: 1998
Acceso en línea:Registro en Scopus
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Registro en la Biblioteca Digital
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024 7 |2 cas  |a Gonadotropin-Releasing Hormone, 33515-09-2 
040 |a Scopus  |b spa  |c AR-BaUEN  |d AR-BaUEN 
030 |a REPPD 
100 1 |a Montaner, A.D. 
245 1 0 |a Chromatographic and immunological identification of GnRH (Gonadotropin-releasing hormone) variants. Occurrence of mammalian and a salmon-like GnRH in the forebrain of an eutherian mammal: Hydrochaeris hydrochaeris (Mammalia, Rodentia) 
260 |c 1998 
270 1 0 |m Somoza, G.M.; Inst. Neuroc. (INEUCI-CONICET), Departamento de Biologia, Facultad Ciencias Exactas Nat., 1428 Buenos Aires, Argentina; email: somoza@biolo.bg.fcen.uba.ar 
506 |2 openaire  |e Política editorial 
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504 |a Sherwood, N., Zoeller, R.T., Moore, F.L., Multiple forms of gonadotropin-releasing hormone in amphibians brain (1986) Gen. Comp. Endocrinol., 61, pp. 313-322 
504 |a Yu, K.L., Sherwood, N.M., Peter, R.E., Differential distribution of two molecular forms of gonadotropin-releasing hormone in discrete brain areas of goldfish (Carassius auratus) (1988) Peptides, 9, pp. 625-630 
504 |a Somoza, G.M., Stefano, A.V., D'Eramo, J.L., Immunoreactive GnRH suggesting a third variant form of GnRH in addition to cIIGnRH and sGnRH in the brain and pituitary gland of Prochilodus lineatus (Characiformes) (1994) Gen. Comp. Endocrinol., 94, pp. 44-52 
504 |a Somoza, G.M., Paz, D.A., Stefano, A.V., Identification of immunoreactive mammalian gonadotropin-releasing hormone in the brain of metamorphic larvae of Bufo arenarum Hensel (Amphibia: Anura) (1996) Int. J. Dev. Neurosci., 14, pp. 663-672 
504 |a Stefano, A.V., Fridman, O., Somoza, G.M., Chromatographic and immunological evidence for a third form of GnRH in addition to cIIGnRH and sGnRH in the brain of Odontesthes bonariensis (1995) Reproductive Physiology of Fish, p. 79. , In: Goetz F, Thomas P, editors. The University of Texas at Austin, Marine Science Institute, TX, USA 
504 |a Yu, K.L., Nahoraniak, C.S., Peter, R.E., Brain distribution of radioimmunoassayable gonadotropin-releasing hormone in female goldfish: Seasonal variation and periovulatory changes (1987) Gen. Comp. Endocrinol., 67, pp. 234-246 
504 |a Okuzawa, K., Amano, M., Kobayashi, M., Differences in sGnRH and cGnRH-II contents in discrete brain areas of male and female rainbow trout according to age and stage of maturity (1990) Gen. Comp. Endocrinol., 80, pp. 116-126 
504 |a Muske, L.E., Evolution of Gonadotropin-releasing hormone (GnRH) neuronal systems (1993) Brain Behav. Evol., 42, pp. 215-243 
504 |a Witkin, J.W., Silverman, A.J., Luteinizing Hormone-Releasing Hormone (LHRH) in rat olfactory system (1983) J. Comp. Neurol., 218, pp. 426-432 
504 |a Schwanzel-Fukuda, M., Abraham, S., Crossin, K.L., Immunocytochemical demonstration of Neural Cell Adhesion Molecule (NCAM) along the migration route of Luteinizing Hormone-Releasing Hormone (LHRH) neurons in mice (1992) J. Comp. Neurol., 321, pp. 1-18 
504 |a Murakami, S., Kikuyama, S., Arai, Y., The origin of Luteinizing Hormone-Releasing Hormone (LHRH) neurons in newts (Cynops pyrrhogaster): The effect of olfactory placode ablation (1992) Cell Tissue Res., 269, pp. 21-27 
504 |a Murakami, S., Seki, T., Wakabayashi, K., The ontogeny of luteinizing hormone releasing hormone (LHRH) producing neurons in the chick embryo: Possible evidence for migrating LHRH neurons from the olfactory epithelium expressing a highly polysialylated neural cell adhesion molecule (1991) Neurosci. Res., 12, pp. 421-431 
504 |a Jennes, L., Conn, M., Gonadotropin-Releasing Hormone and its receptors in rat brain (1994) Front. Neuroendocrinol., 15, pp. 51-77 
504 |a Lovejoy, D.A., King, J.A., Sherwood, N.M., Identification of gonadotropin-releasing hormone and associated binding substances in the blood serum of a holocepalan (Hydrolagus colliei) (1993) Peptides, 14, pp. 1237-1243 
504 |a Yamamoto, N., Oka, Y., Amano, M., Multiple gonadotropin-releasing hormone (GnRH)-Immunoreactive Systems in the brain of the dwarf gourami, Colisa lalia: Immunohistochemistry and radioimmunoassay (1995) J. Comp. Neurol., 355, pp. 354-368 
504 |a King, J.A., Millar, R.P., Vallarino, M., Localization and characterization of gonadotropin-releasing hormones in the brain, gonads, and plasma of a dipnoi (lungfish Protopterus annectens) (1995) Regul. Pept., 57, pp. 163-174 
504 |a King, J.A., Millar, R.P., Identification of His5,Trp7,Tyr8-GnRH (chicken GnRH-II) in amphibian brain (1986) Peptides, 7, pp. 827-834 
504 |a Northcutt, R.G., Muske, L., Multiple embryonic origins of gonadotropin-releasing hormone (GnRH) immunoreactive neurons (1994) Dev. Brain Res., 78, pp. 279-290 
504 |a Licht, P., Tsai, P.S., Sotowska-Brochocka, J., The nature and distribution if gonadotropin-releasing hormones in brains and plasma of ranid frogs (1987) Gen. Comp. Endocrinol., 66, pp. 248-255 
504 |a Powell, R.C., Ciarcia, G., Lance, V., Identification of diverse molecular forms of GnRH in reptile brain (1986) Peptides, 7, pp. 1101-1108 
504 |a Lovejoy, D.A., Fischer, W.H., Parker, D.B., Primary structure of two forms of gonadotropin-releasing hormone (GnRH) from brains of the American alligator (Alligator mississippiensis) (1991) Regul. Pept., 33, pp. 105-116 
504 |a Powell, R.C., Jach, H., Millar, R.P., Identification of Gln8-GnRH and His5,Trp7,Tyr8-GnRH in the hypothalamus and extrahypothalamic brain of the ostrich (Struthio camelus) (1987) Peptides, 8, pp. 185-190 
504 |a Millam, J.R., Faris, P.L., Youngren, O.M., Immunohistochemical localization of chicken gonadotropin-releasing hormones I and II (cGnRH I and II) in turkey hen brain (1993) J. Comp. Neurol, 333, pp. 68-82 
504 |a Van Gils, J., Absil, P., Grauwels, L., Distribution of luteinizing hormone-releasing hormones I and II (LHRH-I and -II) in the quail and chicken brains as demonstrated with antibodies directed against synthetic peptides (1993) J. Comp. Neurol., 334, pp. 304-323 
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504 |a Rastogi, R.K., Dimeglio, M., Iela, L., Immunoreactive luteinizing hormone-releasing hormone in the frog (Rana esculenta) brain: Distribution pattern in the adult, seasonal changes, castration effects, and developmental aspects (1990) Gen. Comp. Endocrinol., 78, pp. 444-458 
504 |a Anthony, E.L., King, J.C., Stopa, E.G., Immunocytochemical localization of LHRH in the median eminence, infundibular stalk, and neurohypophysis. Evidence for multiple sites of releasing hormone secretion in humans and other mammals (1984) Cell Tissue Res., 236, pp. 5-14 
504 |a Anthony, E.L., Bruhn, T.O., Do some traditional hypophysiotropic hormones play nontraditional roles in the neurohypophysis? Implications of immunocytochemcial studies (1993) Ann NY Acad Sci, 689, pp. 469-472. , In: North WG, Moses AM, Share L, editors. The Neurohypophysis: a window on brain function 
520 3 |a The molecular variants of Gonadotropin releasing hormone (GnRH) in brain extracts of the eutherian mammal Hydrochaeris hydrochaeris (Mammalia, Rodentia) were characterized. An indirect method combining reverse-phase high-performance liquid chromatography (RP-HPLC) and radioimmunoassay (RIA) with different antisera was used. Two different forebrain regions (olfactory bulbs and preoptic-hypothalamic region) were analyzed. Characterization of RP-HPLC fractions from preoptic-hypothalamic extracts with three different RIA systems revealed two immunoreactive GnRH (ir-GnRH) peaks coeluting with mammalian GnRH (mGnRH) and salmon GnRH (sGnRH) synthetic standards. These results were additionally supported by serial dilution studies with specific antisera. Similar results were obtained from olfactory bulb extracts with the same methodology. However, a third ir-GnRH peak in a similar position to that of chicken GnRH II (cIIGnRH) synthetic standard was revealed. As far as we know, this is the first report showing chromatographic and immunological evidences for the presence of a second GnRH variant in the forebrain of an eutherian mammal. Copyright (C) 1998 Elsevier Science B.V.  |l eng 
536 |a Detalles de la financiación: University of Cape Town 
536 |a Detalles de la financiación: National Council for Scientific Research 
536 |a Detalles de la financiación: South African Medical Research Council 
536 |a Detalles de la financiación: Consejo Nacional de Investigaciones Científicas y Técnicas 
536 |a Detalles de la financiación: This work was supported by Grants from CONICET (National Research Council of Argentina) for promoting the Centro de Investigaciones Cientı́ficas y Transferencia de Tecnologı́a a la Producción (Diamante, Entre Rı́os) to Dr. J.M.A. and the Medical Research Council of South Africa and the University of Cape Town to Dr. J.A.K. We are indebted to Dr. Hernán Aldana-Marcos and Dr. Omar Iódice for their help in the management of animals. We would also like to thank Prof. José Osinaldi from the Dirección General de Desarrollo Agrı́cola y Recursos Naturales (Gobierno de la Provincia de Entre Rı́os, Secretarı́a de Estado de la Producción) 
593 |a Inst. Neurociencia (INEUCI-CONICET), Depto. Biol., Fac. Cie. Exact. Y N., 1428 Buenos Aires, Argentina 
593 |a Ctro. Invest. Cie. y T., Matteri y España 3105, Diamante, Entre Ríos, Argentina 
593 |a Med. Res. Cncl. Regulatory P., Department of Chemical Pathology, Univ. of Cape Town Medical School, Observatory 7925, Cape Town, South Africa 
593 |a Biología Generale, Istituto di Scienze Farmacologiche, Universitá di Milano, Via Balzarettim, 9-20133 Milan, Italy 
690 1 0 |a CAPYBARA 
690 1 0 |a GNRH 
690 1 0 |a GONADOTROPIN-RELEASING HORMONE 
690 1 0 |a HPLC 
690 1 0 |a MAMMALIAN 
690 1 0 |a RADIOIMMUNOASSAY 
690 1 0 |a BRAIN EXTRACT 
690 1 0 |a GONADORELIN 
690 1 0 |a ANIMAL TISSUE 
690 1 0 |a ARTICLE 
690 1 0 |a FEMALE 
690 1 0 |a FOREBRAIN 
690 1 0 |a HYPOTHALAMUS 
690 1 0 |a MALE 
690 1 0 |a NONHUMAN 
690 1 0 |a OLFACTORY BULB 
690 1 0 |a PREOPTIC AREA 
690 1 0 |a PRIORITY JOURNAL 
690 1 0 |a REVERSED PHASE HIGH PERFORMANCE LIQUID CHROMATOGRAPHY 
690 1 0 |a RODENT 
690 1 0 |a ANIMALS 
690 1 0 |a CHROMATOGRAPHY, HIGH PRESSURE LIQUID 
690 1 0 |a FEMALE 
690 1 0 |a GONADOTROPIN-RELEASING HORMONE 
690 1 0 |a HYPOTHALAMUS 
690 1 0 |a MALE 
690 1 0 |a MAMMALS 
690 1 0 |a OLFACTORY BULB 
690 1 0 |a PREOPTIC AREA 
690 1 0 |a PROSENCEPHALON 
690 1 0 |a RADIOIMMUNOASSAY 
690 1 0 |a RODENTIA 
690 1 0 |a EUTHERIA 
690 1 0 |a GALLUS GALLUS 
690 1 0 |a HYDROCHAERIS HYDROCHAERIS 
690 1 0 |a MAMMALIA 
690 1 0 |a RODENTIA 
700 1 |a Somoza, G.M. 
700 1 |a King, J.A. 
700 1 |a Bianchini, J.J. 
700 1 |a Bolis, C.G. 
700 1 |a Affanni, J.M. 
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856 4 0 |u https://hdl.handle.net/20.500.12110/paper_01670115_v73_n3_p197_Montaner  |y Handle 
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