Activation of the rat melanin-concentrating hormone neurons by ventromedial hypothalamic lesions
The occurrence of a melanin-concentrating hormone-like peptide (MCH) was previously reported in the lateral hypothalamus of the rat. The sequence of this peptide was determined but its role as well as its regulation remain unclear. In the present study, we examined the effects of minor electrolytic...
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| Veröffentlicht in: | Neuropeptides (Edinburgh) 1994-09, Vol.27 (3), p.185-194 |
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| creator | Deray, A. Griffond, B. Colard, C. Jacquemard, C. Bugnon, C. Fellmann, D. |
| description | The occurrence of a melanin-concentrating hormone-like peptide (MCH) was previously reported in the lateral hypothalamus of the rat. The sequence of this peptide was determined but its role as well as its regulation remain unclear. In the present study, we examined the effects of minor electrolytic lesions of the ventromedial nuclei (VMN) on MCH neurons by using immunocytochemical and in situ hybridization procedures. We report that VMN lesions resulted in (1) a clear elevation in the number and staining intensity of MCH immunoreactive perikarya and fibres, (2) a significant increase in the level of hybridocytochemical signal obtained with an oligonucleotide probe complementary to rMCH mRNA. These data provide evidence for a role of VMN in modulating the MCH gene and peptide expression. |
| doi_str_mv | 10.1016/0143-4179(94)90069-8 |
| format | Article |
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The sequence of this peptide was determined but its role as well as its regulation remain unclear. In the present study, we examined the effects of minor electrolytic lesions of the ventromedial nuclei (VMN) on MCH neurons by using immunocytochemical and in situ hybridization procedures. We report that VMN lesions resulted in (1) a clear elevation in the number and staining intensity of MCH immunoreactive perikarya and fibres, (2) a significant increase in the level of hybridocytochemical signal obtained with an oligonucleotide probe complementary to rMCH mRNA. These data provide evidence for a role of VMN in modulating the MCH gene and peptide expression.</description><identifier>ISSN: 0143-4179</identifier><identifier>EISSN: 1532-2785</identifier><identifier>DOI: 10.1016/0143-4179(94)90069-8</identifier><identifier>PMID: 7816189</identifier><language>eng</language><publisher>Netherlands: Elsevier Ltd</publisher><subject>Animals ; Base Sequence ; Hypothalamic Hormones - physiology ; Immunohistochemistry ; In Situ Hybridization ; Male ; Melanins - physiology ; Melanophores - physiology ; Molecular Sequence Data ; Neurons - physiology ; Pituitary Hormones - physiology ; Rats ; Rats, Sprague-Dawley ; RNA, Messenger - biosynthesis ; Ventromedial Hypothalamic Nucleus - cytology ; Ventromedial Hypothalamic Nucleus - physiology</subject><ispartof>Neuropeptides (Edinburgh), 1994-09, Vol.27 (3), p.185-194</ispartof><rights>1994</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c388t-379046cff9b51c92bb1044737e88e465de73bbe4c3353e922d5d738023599fb53</citedby><cites>FETCH-LOGICAL-c388t-379046cff9b51c92bb1044737e88e465de73bbe4c3353e922d5d738023599fb53</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/0143417994900698$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/7816189$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Deray, A.</creatorcontrib><creatorcontrib>Griffond, B.</creatorcontrib><creatorcontrib>Colard, C.</creatorcontrib><creatorcontrib>Jacquemard, C.</creatorcontrib><creatorcontrib>Bugnon, C.</creatorcontrib><creatorcontrib>Fellmann, D.</creatorcontrib><title>Activation of the rat melanin-concentrating hormone neurons by ventromedial hypothalamic lesions</title><title>Neuropeptides (Edinburgh)</title><addtitle>Neuropeptides</addtitle><description>The occurrence of a melanin-concentrating hormone-like peptide (MCH) was previously reported in the lateral hypothalamus of the rat. The sequence of this peptide was determined but its role as well as its regulation remain unclear. In the present study, we examined the effects of minor electrolytic lesions of the ventromedial nuclei (VMN) on MCH neurons by using immunocytochemical and in situ hybridization procedures. We report that VMN lesions resulted in (1) a clear elevation in the number and staining intensity of MCH immunoreactive perikarya and fibres, (2) a significant increase in the level of hybridocytochemical signal obtained with an oligonucleotide probe complementary to rMCH mRNA. These data provide evidence for a role of VMN in modulating the MCH gene and peptide expression.</description><subject>Animals</subject><subject>Base Sequence</subject><subject>Hypothalamic Hormones - physiology</subject><subject>Immunohistochemistry</subject><subject>In Situ Hybridization</subject><subject>Male</subject><subject>Melanins - physiology</subject><subject>Melanophores - physiology</subject><subject>Molecular Sequence Data</subject><subject>Neurons - physiology</subject><subject>Pituitary Hormones - physiology</subject><subject>Rats</subject><subject>Rats, Sprague-Dawley</subject><subject>RNA, Messenger - biosynthesis</subject><subject>Ventromedial Hypothalamic Nucleus - cytology</subject><subject>Ventromedial Hypothalamic Nucleus - physiology</subject><issn>0143-4179</issn><issn>1532-2785</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1994</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkU1r3DAQhkVo2G7S_IMWdCrNwYlkfV8KYWk-IJBLelZsedxVsaWtpF3Yfx87u-TYnAbmfecd5hmEvlJyRQmV14RyVnGqzA_DLw0h0lT6BC2pYHVVKy0-oeW75TM6y_kvIYTXWi_QQmkqqTZL9HLjit81xceAY4_LGnBqCh5haIIPlYvBQShTy4c_eB3TGAPgANsUQ8btHu9mNY7Q-WbA6_0mlnUzNKN3eIA8heYv6LRvhgwXx3qOft_-el7dV49Pdw-rm8fKMa1LxZQhXLq-N62gztRtSwnniinQGrgUHSjWtsAdY4KBqetOdIppUjNhTN8Kdo6-H3I3Kf7bQi529NnBMN0BcZutkoZJLdiHRiol05zrycgPRpdizgl6u0l-bNLeUmLnD9gZr53xWsPt2wfsPPbtmL9tJy7vQ0fkk_7zoMNEY-ch2ew8TJg7n8AV20X__wWv31SWMA</recordid><startdate>19940901</startdate><enddate>19940901</enddate><creator>Deray, A.</creator><creator>Griffond, B.</creator><creator>Colard, C.</creator><creator>Jacquemard, C.</creator><creator>Bugnon, C.</creator><creator>Fellmann, D.</creator><general>Elsevier Ltd</general><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>7TK</scope><scope>7X8</scope></search><sort><creationdate>19940901</creationdate><title>Activation of the rat melanin-concentrating hormone neurons by ventromedial hypothalamic lesions</title><author>Deray, A. ; Griffond, B. ; Colard, C. ; Jacquemard, C. ; Bugnon, C. ; Fellmann, D.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c388t-379046cff9b51c92bb1044737e88e465de73bbe4c3353e922d5d738023599fb53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1994</creationdate><topic>Animals</topic><topic>Base Sequence</topic><topic>Hypothalamic Hormones - physiology</topic><topic>Immunohistochemistry</topic><topic>In Situ Hybridization</topic><topic>Male</topic><topic>Melanins - physiology</topic><topic>Melanophores - physiology</topic><topic>Molecular Sequence Data</topic><topic>Neurons - physiology</topic><topic>Pituitary Hormones - physiology</topic><topic>Rats</topic><topic>Rats, Sprague-Dawley</topic><topic>RNA, Messenger - biosynthesis</topic><topic>Ventromedial Hypothalamic Nucleus - cytology</topic><topic>Ventromedial Hypothalamic Nucleus - physiology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Deray, A.</creatorcontrib><creatorcontrib>Griffond, B.</creatorcontrib><creatorcontrib>Colard, C.</creatorcontrib><creatorcontrib>Jacquemard, C.</creatorcontrib><creatorcontrib>Bugnon, C.</creatorcontrib><creatorcontrib>Fellmann, D.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Neurosciences Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Neuropeptides (Edinburgh)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Deray, A.</au><au>Griffond, B.</au><au>Colard, C.</au><au>Jacquemard, C.</au><au>Bugnon, C.</au><au>Fellmann, D.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Activation of the rat melanin-concentrating hormone neurons by ventromedial hypothalamic lesions</atitle><jtitle>Neuropeptides (Edinburgh)</jtitle><addtitle>Neuropeptides</addtitle><date>1994-09-01</date><risdate>1994</risdate><volume>27</volume><issue>3</issue><spage>185</spage><epage>194</epage><pages>185-194</pages><issn>0143-4179</issn><eissn>1532-2785</eissn><abstract>The occurrence of a melanin-concentrating hormone-like peptide (MCH) was previously reported in the lateral hypothalamus of the rat. The sequence of this peptide was determined but its role as well as its regulation remain unclear. In the present study, we examined the effects of minor electrolytic lesions of the ventromedial nuclei (VMN) on MCH neurons by using immunocytochemical and in situ hybridization procedures. We report that VMN lesions resulted in (1) a clear elevation in the number and staining intensity of MCH immunoreactive perikarya and fibres, (2) a significant increase in the level of hybridocytochemical signal obtained with an oligonucleotide probe complementary to rMCH mRNA. These data provide evidence for a role of VMN in modulating the MCH gene and peptide expression.</abstract><cop>Netherlands</cop><pub>Elsevier Ltd</pub><pmid>7816189</pmid><doi>10.1016/0143-4179(94)90069-8</doi><tpages>10</tpages></addata></record> |
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| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | Animals Base Sequence Hypothalamic Hormones - physiology Immunohistochemistry In Situ Hybridization Male Melanins - physiology Melanophores - physiology Molecular Sequence Data Neurons - physiology Pituitary Hormones - physiology Rats Rats, Sprague-Dawley RNA, Messenger - biosynthesis Ventromedial Hypothalamic Nucleus - cytology Ventromedial Hypothalamic Nucleus - physiology |
| title | Activation of the rat melanin-concentrating hormone neurons by ventromedial hypothalamic lesions |
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