In vivo demonstration of H3‐histaminergic inhibition of cardiac sympathetic stimulation by R‐α‐methyl‐histamine and its prodrug BP 2.94 in the dog

The aim of this study was to investigate whether histamine H3‐receptor agonists could inhibit the effects of cardiac sympathetic nerve stimulation in the dog. Catecholamine release by the heart and the associated variation of haemodynamic parameters were measured after electrical stimulation of the...

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Veröffentlicht in:British journal of pharmacology 1999-01, Vol.126 (1), p.264-268
Hauptverfasser: Mazenot, Catherine, Ribuot, Christophe, Durand, Andrée, Joulin, Yves, Demenge, Pierre, Godin‐Ribuot, Diane
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container_title British journal of pharmacology
container_volume 126
creator Mazenot, Catherine
Ribuot, Christophe
Durand, Andrée
Joulin, Yves
Demenge, Pierre
Godin‐Ribuot, Diane
description The aim of this study was to investigate whether histamine H3‐receptor agonists could inhibit the effects of cardiac sympathetic nerve stimulation in the dog. Catecholamine release by the heart and the associated variation of haemodynamic parameters were measured after electrical stimulation of the right cardiac sympathetic nerves (1–4 Hz, 10 V, 10 ms) in the anaesthetized dog treated with R‐α‐methyl‐histamine (R‐HA) and its prodrug BP 2.94 (BP). Cardiac sympathetic stimulation induced a noradrenaline release into the coronary sinus along with a tachycardia and an increase in left ventricular pressure and contractility without changes in mean arterial pressure. Intravenous administration of H3‐receptor agonists significantly decreased noradrenaline release by the heart (R‐HA at 2 μmol kg−1 h−1: +77±25 vs +405±82; BP 2.94 at 1 mg kg−1: +12±11 vs +330±100 pg ml−1 in control conditions, P0.05), and increases in heart rate (R‐HA at 2 μmol kg−1 h−1: +26±8 vs +65±10 and BP 2.94 at 1 mg kg−1: +30±8 vs 75±6 beats min−1, in control conditions P0.05), left ventricular pressure, and contractility. Treatment with SC 359 (1 mg kg−1) a selective H3‐antagonist, reversed the effects of H3‐receptor agonists. Treatment with R‐HA at 2 μmol kg−1 h−1 and BP 2.94 at 1 mg kg−1 tended to decrease, while that with SC 359 significantly increased basal heart rate (from 111±3 to 130±5 beats min−1, P0.001). Functional H3‐receptors are present on sympathetic nerve endings in the dog heart. Their stimulation by R‐α‐methyl‐histamine or BP 2.94 can inhibit noradrenaline release by the heart and its associated haemodynamic effects. British Journal of Pharmacology (1999) 126, 264–268; doi:10.1038/sj.bjp.0702257
doi_str_mv 10.1038/sj.bjp.0702257
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Catecholamine release by the heart and the associated variation of haemodynamic parameters were measured after electrical stimulation of the right cardiac sympathetic nerves (1–4 Hz, 10 V, 10 ms) in the anaesthetized dog treated with R‐α‐methyl‐histamine (R‐HA) and its prodrug BP 2.94 (BP). Cardiac sympathetic stimulation induced a noradrenaline release into the coronary sinus along with a tachycardia and an increase in left ventricular pressure and contractility without changes in mean arterial pressure. Intravenous administration of H3‐receptor agonists significantly decreased noradrenaline release by the heart (R‐HA at 2 μmol kg−1 h−1: +77±25 vs +405±82; BP 2.94 at 1 mg kg−1: +12±11 vs +330±100 pg ml−1 in control conditions, P0.05), and increases in heart rate (R‐HA at 2 μmol kg−1 h−1: +26±8 vs +65±10 and BP 2.94 at 1 mg kg−1: +30±8 vs 75±6 beats min−1, in control conditions P0.05), left ventricular pressure, and contractility. Treatment with SC 359 (1 mg kg−1) a selective H3‐antagonist, reversed the effects of H3‐receptor agonists. Treatment with R‐HA at 2 μmol kg−1 h−1 and BP 2.94 at 1 mg kg−1 tended to decrease, while that with SC 359 significantly increased basal heart rate (from 111±3 to 130±5 beats min−1, P0.001). Functional H3‐receptors are present on sympathetic nerve endings in the dog heart. Their stimulation by R‐α‐methyl‐histamine or BP 2.94 can inhibit noradrenaline release by the heart and its associated haemodynamic effects. British Journal of Pharmacology (1999) 126, 264–268; doi:10.1038/sj.bjp.0702257</description><identifier>ISSN: 0007-1188</identifier><identifier>EISSN: 1476-5381</identifier><identifier>DOI: 10.1038/sj.bjp.0702257</identifier><identifier>PMID: 10051144</identifier><identifier>CODEN: BJPCBM</identifier><language>eng</language><publisher>Oxford, UK: Blackwell Publishing Ltd</publisher><subject>Animals ; Biological and medical sciences ; Blood Pressure - drug effects ; BP 2.94 ; cardiac sympathetic nerves ; catecholamines ; Catecholamines - metabolism ; dog ; Dogs ; Dose-Response Relationship, Drug ; Electric Stimulation ; H3‐receptors ; Heart - drug effects ; Heart - innervation ; Heart Rate - drug effects ; Hemodynamics - drug effects ; Histamine Agonists - pharmacology ; Histamine Antagonists - pharmacology ; Imidazoles - pharmacology ; Imines - pharmacology ; Medical sciences ; Methylhistamines - pharmacology ; Miscellaneous ; Neuropharmacology ; Neurotransmitters. Neurotransmission. Receptors ; Pharmacology. Drug treatments ; Phenols - pharmacology ; Prodrugs - pharmacology ; Receptors, Histamine H3 - drug effects ; R‐α‐methyl‐histamine ; Sympathetic Nervous System - drug effects ; Sympathetic Nervous System - physiology ; Ventricular Function, Left - drug effects</subject><ispartof>British journal of pharmacology, 1999-01, Vol.126 (1), p.264-268</ispartof><rights>1999 Nature Publishing Group</rights><rights>1999 INIST-CNRS</rights><rights>Copyright 1999, Nature Publishing Group 1999 Nature Publishing Group</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC1565770/pdf/$$EPDF$$P50$$Gpubmedcentral$$H</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC1565770/$$EHTML$$P50$$Gpubmedcentral$$H</linktohtml><link.rule.ids>230,315,728,781,785,886,1418,1434,4025,27927,27928,27929,45578,45579,46413,46837,53795,53797</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&amp;idt=1664314$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/10051144$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Mazenot, Catherine</creatorcontrib><creatorcontrib>Ribuot, Christophe</creatorcontrib><creatorcontrib>Durand, Andrée</creatorcontrib><creatorcontrib>Joulin, Yves</creatorcontrib><creatorcontrib>Demenge, Pierre</creatorcontrib><creatorcontrib>Godin‐Ribuot, Diane</creatorcontrib><title>In vivo demonstration of H3‐histaminergic inhibition of cardiac sympathetic stimulation by R‐α‐methyl‐histamine and its prodrug BP 2.94 in the dog</title><title>British journal of pharmacology</title><addtitle>Br J Pharmacol</addtitle><description>The aim of this study was to investigate whether histamine H3‐receptor agonists could inhibit the effects of cardiac sympathetic nerve stimulation in the dog. Catecholamine release by the heart and the associated variation of haemodynamic parameters were measured after electrical stimulation of the right cardiac sympathetic nerves (1–4 Hz, 10 V, 10 ms) in the anaesthetized dog treated with R‐α‐methyl‐histamine (R‐HA) and its prodrug BP 2.94 (BP). Cardiac sympathetic stimulation induced a noradrenaline release into the coronary sinus along with a tachycardia and an increase in left ventricular pressure and contractility without changes in mean arterial pressure. Intravenous administration of H3‐receptor agonists significantly decreased noradrenaline release by the heart (R‐HA at 2 μmol kg−1 h−1: +77±25 vs +405±82; BP 2.94 at 1 mg kg−1: +12±11 vs +330±100 pg ml−1 in control conditions, P0.05), and increases in heart rate (R‐HA at 2 μmol kg−1 h−1: +26±8 vs +65±10 and BP 2.94 at 1 mg kg−1: +30±8 vs 75±6 beats min−1, in control conditions P0.05), left ventricular pressure, and contractility. Treatment with SC 359 (1 mg kg−1) a selective H3‐antagonist, reversed the effects of H3‐receptor agonists. Treatment with R‐HA at 2 μmol kg−1 h−1 and BP 2.94 at 1 mg kg−1 tended to decrease, while that with SC 359 significantly increased basal heart rate (from 111±3 to 130±5 beats min−1, P0.001). Functional H3‐receptors are present on sympathetic nerve endings in the dog heart. Their stimulation by R‐α‐methyl‐histamine or BP 2.94 can inhibit noradrenaline release by the heart and its associated haemodynamic effects. British Journal of Pharmacology (1999) 126, 264–268; doi:10.1038/sj.bjp.0702257</description><subject>Animals</subject><subject>Biological and medical sciences</subject><subject>Blood Pressure - drug effects</subject><subject>BP 2.94</subject><subject>cardiac sympathetic nerves</subject><subject>catecholamines</subject><subject>Catecholamines - metabolism</subject><subject>dog</subject><subject>Dogs</subject><subject>Dose-Response Relationship, Drug</subject><subject>Electric Stimulation</subject><subject>H3‐receptors</subject><subject>Heart - drug effects</subject><subject>Heart - innervation</subject><subject>Heart Rate - drug effects</subject><subject>Hemodynamics - drug effects</subject><subject>Histamine Agonists - pharmacology</subject><subject>Histamine Antagonists - pharmacology</subject><subject>Imidazoles - pharmacology</subject><subject>Imines - pharmacology</subject><subject>Medical sciences</subject><subject>Methylhistamines - pharmacology</subject><subject>Miscellaneous</subject><subject>Neuropharmacology</subject><subject>Neurotransmitters. Neurotransmission. Receptors</subject><subject>Pharmacology. Drug treatments</subject><subject>Phenols - pharmacology</subject><subject>Prodrugs - pharmacology</subject><subject>Receptors, Histamine H3 - drug effects</subject><subject>R‐α‐methyl‐histamine</subject><subject>Sympathetic Nervous System - drug effects</subject><subject>Sympathetic Nervous System - physiology</subject><subject>Ventricular Function, Left - drug effects</subject><issn>0007-1188</issn><issn>1476-5381</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1999</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpVkc9u1DAQhy0EokvhyhH5wDWL_9u5INGKspUqtargbNmOs_EqcaI4u1VuPAJ3nqIvwkPwJLjabdleZg7zzTfS_AB4j9ESI6o-pc3SboYlkogQLl-ABWZSFJwq_BIsEEKywFipE_AmpQ1CeSj5a3CCEeIYM7YAvy8j3IVdDyvf9TFNo5lCH2FfwxX9-_NXE9JkuhD9uA4OhtgEGx4BZ8YqGAfT3A1mavyUiTSFbtvuHXaGt1nx5z6Xzk_N3B4LoYkVDFOCw9hX43YNz24gWZYsH4FZBqt-_Ra8qk2b_LtDPwU_Lr5-P18VV9ffLs-_XBUDIZgWVlFJS1IrWzLhlPfY19LxuqyUNbWwRFDBBWOEGs4ochwb5wTljCiLuJf0FHzee4et7XzlfMxvaPUwhs6Ms-5N0M8nMTR63e805oJLibLgw7HgafPxzRn4eABMcqatRxNdSP85IRjFDxjZY3eh9fORRj9krdNG56z1IWt9drMqMaX_AOafpCY</recordid><startdate>199901</startdate><enddate>199901</enddate><creator>Mazenot, Catherine</creator><creator>Ribuot, Christophe</creator><creator>Durand, Andrée</creator><creator>Joulin, Yves</creator><creator>Demenge, Pierre</creator><creator>Godin‐Ribuot, Diane</creator><general>Blackwell Publishing Ltd</general><general>Nature Publishing</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>5PM</scope></search><sort><creationdate>199901</creationdate><title>In vivo demonstration of H3‐histaminergic inhibition of cardiac sympathetic stimulation by R‐α‐methyl‐histamine and its prodrug BP 2.94 in the dog</title><author>Mazenot, Catherine ; Ribuot, Christophe ; Durand, Andrée ; Joulin, Yves ; Demenge, Pierre ; Godin‐Ribuot, Diane</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p2213-b837392f8b946c8ee1ef7c5f9d8baf6b2636564423a5430c51acc635428b05e73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1999</creationdate><topic>Animals</topic><topic>Biological and medical sciences</topic><topic>Blood Pressure - drug effects</topic><topic>BP 2.94</topic><topic>cardiac sympathetic nerves</topic><topic>catecholamines</topic><topic>Catecholamines - metabolism</topic><topic>dog</topic><topic>Dogs</topic><topic>Dose-Response Relationship, Drug</topic><topic>Electric Stimulation</topic><topic>H3‐receptors</topic><topic>Heart - drug effects</topic><topic>Heart - innervation</topic><topic>Heart Rate - drug effects</topic><topic>Hemodynamics - drug effects</topic><topic>Histamine Agonists - pharmacology</topic><topic>Histamine Antagonists - pharmacology</topic><topic>Imidazoles - pharmacology</topic><topic>Imines - pharmacology</topic><topic>Medical sciences</topic><topic>Methylhistamines - pharmacology</topic><topic>Miscellaneous</topic><topic>Neuropharmacology</topic><topic>Neurotransmitters. Neurotransmission. Receptors</topic><topic>Pharmacology. Drug treatments</topic><topic>Phenols - pharmacology</topic><topic>Prodrugs - pharmacology</topic><topic>Receptors, Histamine H3 - drug effects</topic><topic>R‐α‐methyl‐histamine</topic><topic>Sympathetic Nervous System - drug effects</topic><topic>Sympathetic Nervous System - physiology</topic><topic>Ventricular Function, Left - drug effects</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Mazenot, Catherine</creatorcontrib><creatorcontrib>Ribuot, Christophe</creatorcontrib><creatorcontrib>Durand, Andrée</creatorcontrib><creatorcontrib>Joulin, Yves</creatorcontrib><creatorcontrib>Demenge, Pierre</creatorcontrib><creatorcontrib>Godin‐Ribuot, Diane</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>British journal of pharmacology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Mazenot, Catherine</au><au>Ribuot, Christophe</au><au>Durand, Andrée</au><au>Joulin, Yves</au><au>Demenge, Pierre</au><au>Godin‐Ribuot, Diane</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>In vivo demonstration of H3‐histaminergic inhibition of cardiac sympathetic stimulation by R‐α‐methyl‐histamine and its prodrug BP 2.94 in the dog</atitle><jtitle>British journal of pharmacology</jtitle><addtitle>Br J Pharmacol</addtitle><date>1999-01</date><risdate>1999</risdate><volume>126</volume><issue>1</issue><spage>264</spage><epage>268</epage><pages>264-268</pages><issn>0007-1188</issn><eissn>1476-5381</eissn><coden>BJPCBM</coden><abstract>The aim of this study was to investigate whether histamine H3‐receptor agonists could inhibit the effects of cardiac sympathetic nerve stimulation in the dog. Catecholamine release by the heart and the associated variation of haemodynamic parameters were measured after electrical stimulation of the right cardiac sympathetic nerves (1–4 Hz, 10 V, 10 ms) in the anaesthetized dog treated with R‐α‐methyl‐histamine (R‐HA) and its prodrug BP 2.94 (BP). Cardiac sympathetic stimulation induced a noradrenaline release into the coronary sinus along with a tachycardia and an increase in left ventricular pressure and contractility without changes in mean arterial pressure. Intravenous administration of H3‐receptor agonists significantly decreased noradrenaline release by the heart (R‐HA at 2 μmol kg−1 h−1: +77±25 vs +405±82; BP 2.94 at 1 mg kg−1: +12±11 vs +330±100 pg ml−1 in control conditions, P0.05), and increases in heart rate (R‐HA at 2 μmol kg−1 h−1: +26±8 vs +65±10 and BP 2.94 at 1 mg kg−1: +30±8 vs 75±6 beats min−1, in control conditions P0.05), left ventricular pressure, and contractility. Treatment with SC 359 (1 mg kg−1) a selective H3‐antagonist, reversed the effects of H3‐receptor agonists. Treatment with R‐HA at 2 μmol kg−1 h−1 and BP 2.94 at 1 mg kg−1 tended to decrease, while that with SC 359 significantly increased basal heart rate (from 111±3 to 130±5 beats min−1, P0.001). Functional H3‐receptors are present on sympathetic nerve endings in the dog heart. Their stimulation by R‐α‐methyl‐histamine or BP 2.94 can inhibit noradrenaline release by the heart and its associated haemodynamic effects. British Journal of Pharmacology (1999) 126, 264–268; doi:10.1038/sj.bjp.0702257</abstract><cop>Oxford, UK</cop><pub>Blackwell Publishing Ltd</pub><pmid>10051144</pmid><doi>10.1038/sj.bjp.0702257</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record>
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source MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Access via Wiley Online Library; Wiley Online Library (Open Access Collection); PubMed Central; Alma/SFX Local Collection
subjects Animals
Biological and medical sciences
Blood Pressure - drug effects
BP 2.94
cardiac sympathetic nerves
catecholamines
Catecholamines - metabolism
dog
Dogs
Dose-Response Relationship, Drug
Electric Stimulation
H3‐receptors
Heart - drug effects
Heart - innervation
Heart Rate - drug effects
Hemodynamics - drug effects
Histamine Agonists - pharmacology
Histamine Antagonists - pharmacology
Imidazoles - pharmacology
Imines - pharmacology
Medical sciences
Methylhistamines - pharmacology
Miscellaneous
Neuropharmacology
Neurotransmitters. Neurotransmission. Receptors
Pharmacology. Drug treatments
Phenols - pharmacology
Prodrugs - pharmacology
Receptors, Histamine H3 - drug effects
R‐α‐methyl‐histamine
Sympathetic Nervous System - drug effects
Sympathetic Nervous System - physiology
Ventricular Function, Left - drug effects
title In vivo demonstration of H3‐histaminergic inhibition of cardiac sympathetic stimulation by R‐α‐methyl‐histamine and its prodrug BP 2.94 in the dog
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