Albumin inhibits effects of Cu2+ on autonomic postganglionic transmission of guinea-pig ileum and vas deferens
The influence of albumin, 4.5 and 45g/l, on the effects of Cu2+, 10−9-10−3M, on the neuromuscular transmission of the isolated guinea-pig ileum and vas deferens was investigated. Low concentrations of Cu2+, 10−9-10−6M, caused a slight and transient increase of the contractile response to direct musc...
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Veröffentlicht in: | Acta odontologica Scandinavica 1991-12, Vol.49 (6), p.361-366 |
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description | The influence of albumin, 4.5 and 45g/l, on the effects of Cu2+, 10−9-10−3M, on the neuromuscular transmission of the isolated guinea-pig ileum and vas deferens was investigated. Low concentrations of Cu2+, 10−9-10−6M, caused a slight and transient increase of the contractile response to direct muscle stimulation of the vas deferens. Albumin at 4.5 g/l inhibited this effect. The basal tone of the ileum increased transiently when Cu2+ was added in the presence of albumin, 4.5 g/l. A stimulant action of Cu2+, 10−9-10−6M, was seen on both organs, when contractions were induced by nerve stimulation. All these effects were inhibited by albumin, 45 g/l. Higher concentrations of Cu2+, 10−5-10−4 M, increased the basal tone of the ileum and the vas deferens. In the presence of albumin, 45 g/l, this stimulating effect of Cu2+ appeared in higher concentrations. The results suggest that Cu2+ is more likely to influence the function of neuronal tissues when the concentration of protein is low. |
doi_str_mv | 10.3109/00016359109005932 |
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Low concentrations of Cu2+, 10−9-10−6M, caused a slight and transient increase of the contractile response to direct muscle stimulation of the vas deferens. Albumin at 4.5 g/l inhibited this effect. The basal tone of the ileum increased transiently when Cu2+ was added in the presence of albumin, 4.5 g/l. A stimulant action of Cu2+, 10−9-10−6M, was seen on both organs, when contractions were induced by nerve stimulation. All these effects were inhibited by albumin, 45 g/l. Higher concentrations of Cu2+, 10−5-10−4 M, increased the basal tone of the ileum and the vas deferens. In the presence of albumin, 45 g/l, this stimulating effect of Cu2+ appeared in higher concentrations. The results suggest that Cu2+ is more likely to influence the function of neuronal tissues when the concentration of protein is low.</description><identifier>ISSN: 0001-6357</identifier><identifier>EISSN: 1502-3850</identifier><identifier>DOI: 10.3109/00016359109005932</identifier><identifier>PMID: 1776403</identifier><language>eng</language><publisher>England: Informa UK Ltd</publisher><subject>Adrenergic Antagonists ; Albumins - pharmacology ; Amalgam ; Animals ; Autonomic Fibers, Postganglionic - drug effects ; Cholinergic Antagonists ; copper ; Copper - antagonists & inhibitors ; Copper - pharmacology ; Dentistry ; Guinea Pigs ; Ileum - drug effects ; Male ; Muscle, Smooth - drug effects ; neuro-muscular transmission ; Neuromuscular Blocking Agents ; smooth muscle ; Vas Deferens - drug effects</subject><ispartof>Acta odontologica Scandinavica, 1991-12, Vol.49 (6), p.361-366</ispartof><rights>1991 Informa UK Ltd All rights reserved: reproduction in whole or part not permitted 1991</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.tandfonline.com/doi/pdf/10.3109/00016359109005932$$EPDF$$P50$$Ginformaworld$$H</linktopdf><linktohtml>$$Uhttps://www.tandfonline.com/doi/full/10.3109/00016359109005932$$EHTML$$P50$$Ginformaworld$$H</linktohtml><link.rule.ids>314,780,784,27922,27923,59645,59751,60434,60540,61219,61254,61400,61435</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/1776403$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Moberg, Lars-Erik</creatorcontrib><creatorcontrib>Appelgren, Björn</creatorcontrib><creatorcontrib>Sjöstrand, Nils O.</creatorcontrib><title>Albumin inhibits effects of Cu2+ on autonomic postganglionic transmission of guinea-pig ileum and vas deferens</title><title>Acta odontologica Scandinavica</title><addtitle>Acta Odontol Scand</addtitle><description>The influence of albumin, 4.5 and 45g/l, on the effects of Cu2+, 10−9-10−3M, on the neuromuscular transmission of the isolated guinea-pig ileum and vas deferens was investigated. Low concentrations of Cu2+, 10−9-10−6M, caused a slight and transient increase of the contractile response to direct muscle stimulation of the vas deferens. Albumin at 4.5 g/l inhibited this effect. The basal tone of the ileum increased transiently when Cu2+ was added in the presence of albumin, 4.5 g/l. A stimulant action of Cu2+, 10−9-10−6M, was seen on both organs, when contractions were induced by nerve stimulation. All these effects were inhibited by albumin, 45 g/l. Higher concentrations of Cu2+, 10−5-10−4 M, increased the basal tone of the ileum and the vas deferens. In the presence of albumin, 45 g/l, this stimulating effect of Cu2+ appeared in higher concentrations. The results suggest that Cu2+ is more likely to influence the function of neuronal tissues when the concentration of protein is low.</description><subject>Adrenergic Antagonists</subject><subject>Albumins - pharmacology</subject><subject>Amalgam</subject><subject>Animals</subject><subject>Autonomic Fibers, Postganglionic - drug effects</subject><subject>Cholinergic Antagonists</subject><subject>copper</subject><subject>Copper - antagonists & inhibitors</subject><subject>Copper - pharmacology</subject><subject>Dentistry</subject><subject>Guinea Pigs</subject><subject>Ileum - drug effects</subject><subject>Male</subject><subject>Muscle, Smooth - drug effects</subject><subject>neuro-muscular transmission</subject><subject>Neuromuscular Blocking Agents</subject><subject>smooth muscle</subject><subject>Vas Deferens - drug effects</subject><issn>0001-6357</issn><issn>1502-3850</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1991</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1UcFq3DAQFSUl3Wz7AT0UdMqluJUtybJpLmFp0sJCL7mLsT3aVZClrWQl5O-jJXsJIQcxerz3hnkzhHyt2Q9es_4nY6xuuezLnzHZ8-YDWdWSNRXvJDsjqyNfFYH6RC5Sui9Q9F1_Ts5rpVrB-Ir4azfk2Xpq_d4OdkkUjcGx1GDoJjffafAU8hJ8mO1IDyEtO_A7Z4MvcIng02xTKvBo2GXrEaqD3VHrMM8U_EQfINEJDUb06TP5aMAl_HKqa3J38_tu86fa_rv9u7neVrYRfKlQ4GS4MKpDGLoSlYuWCSWgBVaDnIBNbFB9Z6YSXqlx5I1qpex6DrKRDV-Ty5e2hxj-Z0yLLkOO6Bx4DDlp1bS1UFIV4beTMA8zTvoQ7QzxSZ_2U_irF956E-IMjyG6SS_w5EI0Jfxoky7jHV-v31yj2H-9su8R3LIfIaK-Dzn6sgL9vvsZ_q-NlQ</recordid><startdate>19911201</startdate><enddate>19911201</enddate><creator>Moberg, Lars-Erik</creator><creator>Appelgren, Björn</creator><creator>Sjöstrand, Nils O.</creator><general>Informa UK Ltd</general><general>Taylor & Francis</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>7X8</scope></search><sort><creationdate>19911201</creationdate><title>Albumin inhibits effects of Cu2+ on autonomic postganglionic transmission of guinea-pig ileum and vas deferens</title><author>Moberg, Lars-Erik ; Appelgren, Björn ; Sjöstrand, Nils O.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i243t-e4edf34f78eab83103460474a6a01a5da0d0b798fd35977cc327655893a52523</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1991</creationdate><topic>Adrenergic Antagonists</topic><topic>Albumins - pharmacology</topic><topic>Amalgam</topic><topic>Animals</topic><topic>Autonomic Fibers, Postganglionic - drug effects</topic><topic>Cholinergic Antagonists</topic><topic>copper</topic><topic>Copper - antagonists & inhibitors</topic><topic>Copper - pharmacology</topic><topic>Dentistry</topic><topic>Guinea Pigs</topic><topic>Ileum - drug effects</topic><topic>Male</topic><topic>Muscle, Smooth - drug effects</topic><topic>neuro-muscular transmission</topic><topic>Neuromuscular Blocking Agents</topic><topic>smooth muscle</topic><topic>Vas Deferens - drug effects</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Moberg, Lars-Erik</creatorcontrib><creatorcontrib>Appelgren, Björn</creatorcontrib><creatorcontrib>Sjöstrand, Nils O.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>MEDLINE - Academic</collection><jtitle>Acta odontologica Scandinavica</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Moberg, Lars-Erik</au><au>Appelgren, Björn</au><au>Sjöstrand, Nils O.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Albumin inhibits effects of Cu2+ on autonomic postganglionic transmission of guinea-pig ileum and vas deferens</atitle><jtitle>Acta odontologica Scandinavica</jtitle><addtitle>Acta Odontol Scand</addtitle><date>1991-12-01</date><risdate>1991</risdate><volume>49</volume><issue>6</issue><spage>361</spage><epage>366</epage><pages>361-366</pages><issn>0001-6357</issn><eissn>1502-3850</eissn><abstract>The influence of albumin, 4.5 and 45g/l, on the effects of Cu2+, 10−9-10−3M, on the neuromuscular transmission of the isolated guinea-pig ileum and vas deferens was investigated. Low concentrations of Cu2+, 10−9-10−6M, caused a slight and transient increase of the contractile response to direct muscle stimulation of the vas deferens. Albumin at 4.5 g/l inhibited this effect. The basal tone of the ileum increased transiently when Cu2+ was added in the presence of albumin, 4.5 g/l. A stimulant action of Cu2+, 10−9-10−6M, was seen on both organs, when contractions were induced by nerve stimulation. All these effects were inhibited by albumin, 45 g/l. Higher concentrations of Cu2+, 10−5-10−4 M, increased the basal tone of the ileum and the vas deferens. In the presence of albumin, 45 g/l, this stimulating effect of Cu2+ appeared in higher concentrations. The results suggest that Cu2+ is more likely to influence the function of neuronal tissues when the concentration of protein is low.</abstract><cop>England</cop><pub>Informa UK Ltd</pub><pmid>1776403</pmid><doi>10.3109/00016359109005932</doi><tpages>6</tpages></addata></record> |
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source | MEDLINE; Taylor & Francis:Master (3349 titles); Taylor & Francis Medical Library - CRKN; Alma/SFX Local Collection |
subjects | Adrenergic Antagonists Albumins - pharmacology Amalgam Animals Autonomic Fibers, Postganglionic - drug effects Cholinergic Antagonists copper Copper - antagonists & inhibitors Copper - pharmacology Dentistry Guinea Pigs Ileum - drug effects Male Muscle, Smooth - drug effects neuro-muscular transmission Neuromuscular Blocking Agents smooth muscle Vas Deferens - drug effects |
title | Albumin inhibits effects of Cu2+ on autonomic postganglionic transmission of guinea-pig ileum and vas deferens |
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