Gonadotropin-releasing hormone in elasmobranch (electric ray, Torpedo marmorata) brain and plasma: Chromatographic and immunological evidence for chicken GnRH II and novel molecular forms
Gonadotropin-releasing hormone (GnRH) peptides in the brain, testis and plasma of an electric ray ( Torpedo marmorata) were investigated by gel filtration chromatography, reverse phase high performance liquid chromatography and radioimmunoassay with region-specific antisera. In the brain, two major...
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description | Gonadotropin-releasing hormone (GnRH) peptides in the brain, testis and plasma of an electric ray (
Torpedo marmorata) were investigated by gel filtration chromatography, reverse phase high performance liquid chromatography and radioimmunoassay with region-specific antisera. In the brain, two major forms of GnRH were demonstrated. One form had identical chromatographic and immunological properties to chicken GnRH II, and the second, novel, molecular form had structural features in common with mammalian, chicken II and salmon GnRHs. A minor, early-eluting immunoreactive peak, possibly also a novel GnRH, was also evident. Immunoreactive GnRH was not detected in the testis. In the plasma, a single major early-eluting immunoreactive peak was demonstrated. This peak, identical to the minor peak observed in the brain, is likely to represent a novel form of GnRH which has immunological properties in common with mammalian, chicken II and salmon GnRHs. Immunoreactive GnRH was not detected in the plasma of species from other vertebrate classes, including rabbit, chicken, monitor lizard, clawed toad, frog, cichlid fish and lamprey. The finding of chicken GnRH II in a species of Chondrichthyes adds further support to our hypothesis that this widespread structural variant may represent an early-evolved and conserved form of GnRH. The presence of a GnRH molecular form in the plasma of the electric ray suggests that GnRH may reach target organs (pituitary and gonads) via the general circulation in some species of Chondrichthyes. |
doi_str_mv | 10.1016/0196-9781(92)90136-Q |
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Torpedo marmorata) were investigated by gel filtration chromatography, reverse phase high performance liquid chromatography and radioimmunoassay with region-specific antisera. In the brain, two major forms of GnRH were demonstrated. One form had identical chromatographic and immunological properties to chicken GnRH II, and the second, novel, molecular form had structural features in common with mammalian, chicken II and salmon GnRHs. A minor, early-eluting immunoreactive peak, possibly also a novel GnRH, was also evident. Immunoreactive GnRH was not detected in the testis. In the plasma, a single major early-eluting immunoreactive peak was demonstrated. This peak, identical to the minor peak observed in the brain, is likely to represent a novel form of GnRH which has immunological properties in common with mammalian, chicken II and salmon GnRHs. Immunoreactive GnRH was not detected in the plasma of species from other vertebrate classes, including rabbit, chicken, monitor lizard, clawed toad, frog, cichlid fish and lamprey. The finding of chicken GnRH II in a species of Chondrichthyes adds further support to our hypothesis that this widespread structural variant may represent an early-evolved and conserved form of GnRH. The presence of a GnRH molecular form in the plasma of the electric ray suggests that GnRH may reach target organs (pituitary and gonads) via the general circulation in some species of Chondrichthyes.</description><identifier>ISSN: 0196-9781</identifier><identifier>EISSN: 1873-5169</identifier><identifier>DOI: 10.1016/0196-9781(92)90136-Q</identifier><identifier>PMID: 1620655</identifier><identifier>CODEN: PPTDD5</identifier><language>eng</language><publisher>OXFORD: Elsevier Inc</publisher><subject><![CDATA[Animals ; Biochemistry & Molecular Biology ; Biological and medical sciences ; brain ; Brain Chemistry ; Cell Extracts - chemistry ; chickens ; chromatographic techniques ; Chromatography, Gel ; Cross Reactions ; Electric ray ; Endocrinology & Metabolism ; forms ; Fundamental and applied biological sciences. Psychology ; Genetic Variation ; Gonadotropin-releasing hormone ; Gonadotropin-Releasing Hormone - analysis ; Gonadotropin-Releasing Hormone - blood ; Gonadotropin-Releasing Hormone - immunology ; Gonadotropin-Releasing Hormone - isolation & purification ; homology ; HPLC ; Hypothalamus. Hypophysis. Epiphysis. Urophysis ; identification ; Life Sciences & Biomedicine ; Male ; Marine ; molecular structure ; Morphology. Functional localizations ; Pharmacology & Pharmacy ; plasma ; Radioimmunoassay ; Science & Technology ; sex hormones ; Species Specificity ; target cells ; Testis - chemistry ; Tissue Distribution ; Torpedo - physiology ; Torpedo marmorata ; Vertebrates: endocrinology]]></subject><ispartof>Peptides (New York, N.Y. : 1980), 1992, Vol.13 (1), p.27-35</ispartof><rights>1992</rights><rights>1992 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>true</woscitedreferencessubscribed><woscitedreferencescount>24</woscitedreferencescount><woscitedreferencesoriginalsourcerecordid>wosA1992HL03800005</woscitedreferencesoriginalsourcerecordid><citedby>FETCH-LOGICAL-c417t-d6cd601d7639469d2ef59ff1921186571ea80b35b0c535d9fec5ea563e4039913</citedby><cites>FETCH-LOGICAL-c417t-d6cd601d7639469d2ef59ff1921186571ea80b35b0c535d9fec5ea563e4039913</cites><orcidid>0000-0001-8246-2177 ; 0000-0002-4716-6142</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/0196-9781(92)90136-Q$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>315,781,785,3551,4025,27197,27928,27929,27930,46000</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=5264245$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/1620655$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>King, Judy A.</creatorcontrib><creatorcontrib>Steneveld, Althea A.</creatorcontrib><creatorcontrib>Millar, Robert P.</creatorcontrib><creatorcontrib>Fasano, Silvia</creatorcontrib><creatorcontrib>Romano, Giovanna</creatorcontrib><creatorcontrib>Spagnuolo, Antonietta</creatorcontrib><creatorcontrib>Zanetti, Laura</creatorcontrib><creatorcontrib>Pierantoni, Riccardo</creatorcontrib><title>Gonadotropin-releasing hormone in elasmobranch (electric ray, Torpedo marmorata) brain and plasma: Chromatographic and immunological evidence for chicken GnRH II and novel molecular forms</title><title>Peptides (New York, N.Y. : 1980)</title><addtitle>PEPTIDES</addtitle><addtitle>Peptides</addtitle><description>Gonadotropin-releasing hormone (GnRH) peptides in the brain, testis and plasma of an electric ray (
Torpedo marmorata) were investigated by gel filtration chromatography, reverse phase high performance liquid chromatography and radioimmunoassay with region-specific antisera. In the brain, two major forms of GnRH were demonstrated. One form had identical chromatographic and immunological properties to chicken GnRH II, and the second, novel, molecular form had structural features in common with mammalian, chicken II and salmon GnRHs. A minor, early-eluting immunoreactive peak, possibly also a novel GnRH, was also evident. Immunoreactive GnRH was not detected in the testis. In the plasma, a single major early-eluting immunoreactive peak was demonstrated. This peak, identical to the minor peak observed in the brain, is likely to represent a novel form of GnRH which has immunological properties in common with mammalian, chicken II and salmon GnRHs. Immunoreactive GnRH was not detected in the plasma of species from other vertebrate classes, including rabbit, chicken, monitor lizard, clawed toad, frog, cichlid fish and lamprey. The finding of chicken GnRH II in a species of Chondrichthyes adds further support to our hypothesis that this widespread structural variant may represent an early-evolved and conserved form of GnRH. The presence of a GnRH molecular form in the plasma of the electric ray suggests that GnRH may reach target organs (pituitary and gonads) via the general circulation in some species of Chondrichthyes.</description><subject>Animals</subject><subject>Biochemistry & Molecular Biology</subject><subject>Biological and medical sciences</subject><subject>brain</subject><subject>Brain Chemistry</subject><subject>Cell Extracts - chemistry</subject><subject>chickens</subject><subject>chromatographic techniques</subject><subject>Chromatography, Gel</subject><subject>Cross Reactions</subject><subject>Electric ray</subject><subject>Endocrinology & Metabolism</subject><subject>forms</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Genetic Variation</subject><subject>Gonadotropin-releasing hormone</subject><subject>Gonadotropin-Releasing Hormone - analysis</subject><subject>Gonadotropin-Releasing Hormone - blood</subject><subject>Gonadotropin-Releasing Hormone - immunology</subject><subject>Gonadotropin-Releasing Hormone - isolation & purification</subject><subject>homology</subject><subject>HPLC</subject><subject>Hypothalamus. Hypophysis. Epiphysis. Urophysis</subject><subject>identification</subject><subject>Life Sciences & Biomedicine</subject><subject>Male</subject><subject>Marine</subject><subject>molecular structure</subject><subject>Morphology. Functional localizations</subject><subject>Pharmacology & Pharmacy</subject><subject>plasma</subject><subject>Radioimmunoassay</subject><subject>Science & Technology</subject><subject>sex hormones</subject><subject>Species Specificity</subject><subject>target cells</subject><subject>Testis - chemistry</subject><subject>Tissue Distribution</subject><subject>Torpedo - physiology</subject><subject>Torpedo marmorata</subject><subject>Vertebrates: endocrinology</subject><issn>0196-9781</issn><issn>1873-5169</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1992</creationdate><recordtype>article</recordtype><sourceid>EZCTM</sourceid><sourceid>EIF</sourceid><recordid>eNqNktFu0zAUhiMEGt3gDUDyBUKbIGDHsRNzgTRV0FaqhIbGteXaJ60hsYOddNqz8XI4a1XugCtfnO87lv_fWfaC4HcEE_4eE8FzUdXkUhRXAhPK85tH2YzUFc0Z4eJxNjshT7PzGL9jjMtS1GfZGeEF5ozNsl8L75TxQ_C9dXmAFlS0bot2PnTeAbIOQati5zdBOb1Dl4nQQ7AaBXX_Ft360IPxqFMJD2pQVyiBSVLOoH4S1Qc03wXfqcFvg-p3yZxmtutG51u_tVq1CPbWgNOAGh-QTswPcGjhvi7RavWAO7-HFnU-XT62KkxcF59lTxrVRnh-PC-yb58_3c6X-frLYjW_Xue6JNWQG64Nx8RUnIqSC1NAw0TTEFEQUnNWEVA13lC2wZpRZkQDmoFinEKJqRCEXmSvD3v74H-OEAfZ2aihbZUDP0ZZUVwWtaj_CabURUXJtLE8gDr4GAM0sg82ZXgvCZZTuXJqTk7NSVHIh3LlTdJeHvePmw7MH-nQZpq_Os5VTLE2U2U2njBW8LIoJ6w-YHew8U3Udor-RF0TIYrlGtM6fRfM5nZQg_Vu7kc3JPXN_6uJ_nigIbWztxDk0TA2pF8kjbd_f_BvzJfkxQ</recordid><startdate>1992</startdate><enddate>1992</enddate><creator>King, Judy A.</creator><creator>Steneveld, Althea A.</creator><creator>Millar, Robert P.</creator><creator>Fasano, Silvia</creator><creator>Romano, Giovanna</creator><creator>Spagnuolo, Antonietta</creator><creator>Zanetti, Laura</creator><creator>Pierantoni, Riccardo</creator><general>Elsevier Inc</general><general>Elsevier</general><general>Elsevier Science</general><scope>BLEPL</scope><scope>DTL</scope><scope>EZCTM</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QL</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H95</scope><scope>L.G</scope><scope>M81</scope><scope>P64</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0001-8246-2177</orcidid><orcidid>https://orcid.org/0000-0002-4716-6142</orcidid></search><sort><creationdate>1992</creationdate><title>Gonadotropin-releasing hormone in elasmobranch (electric ray, Torpedo marmorata) brain and plasma: Chromatographic and immunological evidence for chicken GnRH II and novel molecular forms</title><author>King, Judy A. ; Steneveld, Althea A. ; Millar, Robert P. ; Fasano, Silvia ; Romano, Giovanna ; Spagnuolo, Antonietta ; Zanetti, Laura ; Pierantoni, Riccardo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c417t-d6cd601d7639469d2ef59ff1921186571ea80b35b0c535d9fec5ea563e4039913</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1992</creationdate><topic>Animals</topic><topic>Biochemistry & Molecular Biology</topic><topic>Biological and medical sciences</topic><topic>brain</topic><topic>Brain Chemistry</topic><topic>Cell Extracts - chemistry</topic><topic>chickens</topic><topic>chromatographic techniques</topic><topic>Chromatography, Gel</topic><topic>Cross Reactions</topic><topic>Electric ray</topic><topic>Endocrinology & Metabolism</topic><topic>forms</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Genetic Variation</topic><topic>Gonadotropin-releasing hormone</topic><topic>Gonadotropin-Releasing Hormone - analysis</topic><topic>Gonadotropin-Releasing Hormone - blood</topic><topic>Gonadotropin-Releasing Hormone - immunology</topic><topic>Gonadotropin-Releasing Hormone - isolation & purification</topic><topic>homology</topic><topic>HPLC</topic><topic>Hypothalamus. Hypophysis. Epiphysis. Urophysis</topic><topic>identification</topic><topic>Life Sciences & Biomedicine</topic><topic>Male</topic><topic>Marine</topic><topic>molecular structure</topic><topic>Morphology. Functional localizations</topic><topic>Pharmacology & Pharmacy</topic><topic>plasma</topic><topic>Radioimmunoassay</topic><topic>Science & Technology</topic><topic>sex hormones</topic><topic>Species Specificity</topic><topic>target cells</topic><topic>Testis - chemistry</topic><topic>Tissue Distribution</topic><topic>Torpedo - physiology</topic><topic>Torpedo marmorata</topic><topic>Vertebrates: endocrinology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>King, Judy A.</creatorcontrib><creatorcontrib>Steneveld, Althea A.</creatorcontrib><creatorcontrib>Millar, Robert P.</creatorcontrib><creatorcontrib>Fasano, Silvia</creatorcontrib><creatorcontrib>Romano, Giovanna</creatorcontrib><creatorcontrib>Spagnuolo, Antonietta</creatorcontrib><creatorcontrib>Zanetti, Laura</creatorcontrib><creatorcontrib>Pierantoni, Riccardo</creatorcontrib><collection>Web of Science Core Collection</collection><collection>Science Citation Index Expanded</collection><collection>Web of Science - Science Citation Index Expanded - 1992</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Biochemistry Abstracts 3</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Peptides (New York, N.Y. : 1980)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>King, Judy A.</au><au>Steneveld, Althea A.</au><au>Millar, Robert P.</au><au>Fasano, Silvia</au><au>Romano, Giovanna</au><au>Spagnuolo, Antonietta</au><au>Zanetti, Laura</au><au>Pierantoni, Riccardo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Gonadotropin-releasing hormone in elasmobranch (electric ray, Torpedo marmorata) brain and plasma: Chromatographic and immunological evidence for chicken GnRH II and novel molecular forms</atitle><jtitle>Peptides (New York, N.Y. : 1980)</jtitle><stitle>PEPTIDES</stitle><addtitle>Peptides</addtitle><date>1992</date><risdate>1992</risdate><volume>13</volume><issue>1</issue><spage>27</spage><epage>35</epage><pages>27-35</pages><issn>0196-9781</issn><eissn>1873-5169</eissn><coden>PPTDD5</coden><abstract>Gonadotropin-releasing hormone (GnRH) peptides in the brain, testis and plasma of an electric ray (
Torpedo marmorata) were investigated by gel filtration chromatography, reverse phase high performance liquid chromatography and radioimmunoassay with region-specific antisera. In the brain, two major forms of GnRH were demonstrated. One form had identical chromatographic and immunological properties to chicken GnRH II, and the second, novel, molecular form had structural features in common with mammalian, chicken II and salmon GnRHs. A minor, early-eluting immunoreactive peak, possibly also a novel GnRH, was also evident. Immunoreactive GnRH was not detected in the testis. In the plasma, a single major early-eluting immunoreactive peak was demonstrated. This peak, identical to the minor peak observed in the brain, is likely to represent a novel form of GnRH which has immunological properties in common with mammalian, chicken II and salmon GnRHs. Immunoreactive GnRH was not detected in the plasma of species from other vertebrate classes, including rabbit, chicken, monitor lizard, clawed toad, frog, cichlid fish and lamprey. The finding of chicken GnRH II in a species of Chondrichthyes adds further support to our hypothesis that this widespread structural variant may represent an early-evolved and conserved form of GnRH. The presence of a GnRH molecular form in the plasma of the electric ray suggests that GnRH may reach target organs (pituitary and gonads) via the general circulation in some species of Chondrichthyes.</abstract><cop>OXFORD</cop><pub>Elsevier Inc</pub><pmid>1620655</pmid><doi>10.1016/0196-9781(92)90136-Q</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0001-8246-2177</orcidid><orcidid>https://orcid.org/0000-0002-4716-6142</orcidid></addata></record> |
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subjects | Animals Biochemistry & Molecular Biology Biological and medical sciences brain Brain Chemistry Cell Extracts - chemistry chickens chromatographic techniques Chromatography, Gel Cross Reactions Electric ray Endocrinology & Metabolism forms Fundamental and applied biological sciences. Psychology Genetic Variation Gonadotropin-releasing hormone Gonadotropin-Releasing Hormone - analysis Gonadotropin-Releasing Hormone - blood Gonadotropin-Releasing Hormone - immunology Gonadotropin-Releasing Hormone - isolation & purification homology HPLC Hypothalamus. Hypophysis. Epiphysis. Urophysis identification Life Sciences & Biomedicine Male Marine molecular structure Morphology. Functional localizations Pharmacology & Pharmacy plasma Radioimmunoassay Science & Technology sex hormones Species Specificity target cells Testis - chemistry Tissue Distribution Torpedo - physiology Torpedo marmorata Vertebrates: endocrinology |
title | Gonadotropin-releasing hormone in elasmobranch (electric ray, Torpedo marmorata) brain and plasma: Chromatographic and immunological evidence for chicken GnRH II and novel molecular forms |
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