Reduction in the anxiolytic effects of ethanol by centrally formed acetaldehyde: the role of catalase inhibitors and acetaldehyde-sequestering agents

Rationale Considerable evidence indicates that brain ethanol metabolism mediated by catalase is involved in modulating some of the behavioral and physiological effects of this drug, which suggests that the first metabolite of ethanol, acetaldehyde, may have central actions. Previous results have sho...

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Veröffentlicht in:Psychopharmacologia 2008-11, Vol.200 (4), p.455-464
Hauptverfasser: Correa, M., Manrique, H. M., Font, L., Escrig, M. A., Aragon, C. M. G.
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container_issue 4
container_start_page 455
container_title Psychopharmacologia
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creator Correa, M.
Manrique, H. M.
Font, L.
Escrig, M. A.
Aragon, C. M. G.
description Rationale Considerable evidence indicates that brain ethanol metabolism mediated by catalase is involved in modulating some of the behavioral and physiological effects of this drug, which suggests that the first metabolite of ethanol, acetaldehyde, may have central actions. Previous results have shown that acetaldehyde administered into the lateral ventricles produced anxiolysis in a novel open arena in rats. Objectives The present studies investigate the effects of centrally formed acetaldehyde on ethanol-induced anxiolysis. Materials and methods The effects of the catalase inhibitor sodium azide (SA; 0 or 10 mg/kg, IP) on ethanol-induced anxiolysis (0.0, 0.5, or 1.0 g/kg, IP) were evaluated in CD1 mice in two anxiety paradigms, the elevated plus maze and the dark/light box. Additional studies assessed the effect of the noncompetitive catalase inhibitor 3-amino-1,2,4-triazole (AT; 0.5 g/kg, IP) and the acetaldehyde inactivation agent d -penicillamine (50 mg/kg, IP) on the plus maze. Results SA reduced the anxiolytic effects of ethanol on several parameters evaluated in the elevated plus maze and in the dark/light box. In the plus maze, AT completely blocked and d -penicillamine significantly reduced the anxiolytic properties of ethanol. Conclusions Thus, when cerebral metabolism of ethanol into acetaldehyde is blocked by catalase inhibitors, or acetaldehyde is inactivated, there is a suppressive effect on the anxiolytic actions of ethanol. These data provide further support for the idea that centrally formed or administered acetaldehyde can contribute to some of the psychopharmacological actions of ethanol, including its anxiolytic properties.
doi_str_mv 10.1007/s00213-008-1219-3
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M. ; Font, L. ; Escrig, M. A. ; Aragon, C. M. G.</creator><creatorcontrib>Correa, M. ; Manrique, H. M. ; Font, L. ; Escrig, M. A. ; Aragon, C. M. G.</creatorcontrib><description>Rationale Considerable evidence indicates that brain ethanol metabolism mediated by catalase is involved in modulating some of the behavioral and physiological effects of this drug, which suggests that the first metabolite of ethanol, acetaldehyde, may have central actions. Previous results have shown that acetaldehyde administered into the lateral ventricles produced anxiolysis in a novel open arena in rats. Objectives The present studies investigate the effects of centrally formed acetaldehyde on ethanol-induced anxiolysis. Materials and methods The effects of the catalase inhibitor sodium azide (SA; 0 or 10 mg/kg, IP) on ethanol-induced anxiolysis (0.0, 0.5, or 1.0 g/kg, IP) were evaluated in CD1 mice in two anxiety paradigms, the elevated plus maze and the dark/light box. Additional studies assessed the effect of the noncompetitive catalase inhibitor 3-amino-1,2,4-triazole (AT; 0.5 g/kg, IP) and the acetaldehyde inactivation agent d -penicillamine (50 mg/kg, IP) on the plus maze. Results SA reduced the anxiolytic effects of ethanol on several parameters evaluated in the elevated plus maze and in the dark/light box. In the plus maze, AT completely blocked and d -penicillamine significantly reduced the anxiolytic properties of ethanol. Conclusions Thus, when cerebral metabolism of ethanol into acetaldehyde is blocked by catalase inhibitors, or acetaldehyde is inactivated, there is a suppressive effect on the anxiolytic actions of ethanol. These data provide further support for the idea that centrally formed or administered acetaldehyde can contribute to some of the psychopharmacological actions of ethanol, including its anxiolytic properties.</description><identifier>ISSN: 0033-3158</identifier><identifier>EISSN: 1432-2072</identifier><identifier>DOI: 10.1007/s00213-008-1219-3</identifier><identifier>PMID: 18587667</identifier><identifier>CODEN: PSYPAG</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer-Verlag</publisher><subject>Acetaldehyde - metabolism ; Alcoholism and acute alcohol poisoning ; Amitrole - pharmacology ; Animal behavior ; Animals ; Anti-Anxiety Agents - administration &amp; dosage ; Anti-Anxiety Agents - pharmacology ; Anxiety ; Anxiety - drug therapy ; Biological and medical sciences ; Biomedical and Life Sciences ; Biomedicine ; Catalase - antagonists &amp; inhibitors ; Central Nervous System Depressants - administration &amp; dosage ; Central Nervous System Depressants - pharmacology ; Darkness ; Disease Models, Animal ; Dose-Response Relationship, Drug ; Enzymes ; Ethanol ; Ethanol - administration &amp; dosage ; Ethanol - pharmacology ; Inhibitor drugs ; Light ; Male ; Maze Learning - drug effects ; Medical sciences ; Mice ; Neurosciences ; Original Investigation ; Pharmacology/Toxicology ; Psychiatry ; Psychopharmacology ; Rodents ; Sodium Azide - administration &amp; dosage ; Sodium Azide - pharmacology ; Toxicology</subject><ispartof>Psychopharmacologia, 2008-11, Vol.200 (4), p.455-464</ispartof><rights>Springer-Verlag 2008</rights><rights>2008 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c430t-6ee074fd32bb5c85a60694b4ceb14512c9ed8ec1cefb8ac27dbd17ed75d007d3</citedby><cites>FETCH-LOGICAL-c430t-6ee074fd32bb5c85a60694b4ceb14512c9ed8ec1cefb8ac27dbd17ed75d007d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00213-008-1219-3$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00213-008-1219-3$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&amp;idt=20697738$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/18587667$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Correa, M.</creatorcontrib><creatorcontrib>Manrique, H. M.</creatorcontrib><creatorcontrib>Font, L.</creatorcontrib><creatorcontrib>Escrig, M. A.</creatorcontrib><creatorcontrib>Aragon, C. M. G.</creatorcontrib><title>Reduction in the anxiolytic effects of ethanol by centrally formed acetaldehyde: the role of catalase inhibitors and acetaldehyde-sequestering agents</title><title>Psychopharmacologia</title><addtitle>Psychopharmacology</addtitle><addtitle>Psychopharmacology (Berl)</addtitle><description>Rationale Considerable evidence indicates that brain ethanol metabolism mediated by catalase is involved in modulating some of the behavioral and physiological effects of this drug, which suggests that the first metabolite of ethanol, acetaldehyde, may have central actions. Previous results have shown that acetaldehyde administered into the lateral ventricles produced anxiolysis in a novel open arena in rats. Objectives The present studies investigate the effects of centrally formed acetaldehyde on ethanol-induced anxiolysis. Materials and methods The effects of the catalase inhibitor sodium azide (SA; 0 or 10 mg/kg, IP) on ethanol-induced anxiolysis (0.0, 0.5, or 1.0 g/kg, IP) were evaluated in CD1 mice in two anxiety paradigms, the elevated plus maze and the dark/light box. Additional studies assessed the effect of the noncompetitive catalase inhibitor 3-amino-1,2,4-triazole (AT; 0.5 g/kg, IP) and the acetaldehyde inactivation agent d -penicillamine (50 mg/kg, IP) on the plus maze. Results SA reduced the anxiolytic effects of ethanol on several parameters evaluated in the elevated plus maze and in the dark/light box. In the plus maze, AT completely blocked and d -penicillamine significantly reduced the anxiolytic properties of ethanol. Conclusions Thus, when cerebral metabolism of ethanol into acetaldehyde is blocked by catalase inhibitors, or acetaldehyde is inactivated, there is a suppressive effect on the anxiolytic actions of ethanol. 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M.</au><au>Font, L.</au><au>Escrig, M. A.</au><au>Aragon, C. M. G.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Reduction in the anxiolytic effects of ethanol by centrally formed acetaldehyde: the role of catalase inhibitors and acetaldehyde-sequestering agents</atitle><jtitle>Psychopharmacologia</jtitle><stitle>Psychopharmacology</stitle><addtitle>Psychopharmacology (Berl)</addtitle><date>2008-11-01</date><risdate>2008</risdate><volume>200</volume><issue>4</issue><spage>455</spage><epage>464</epage><pages>455-464</pages><issn>0033-3158</issn><eissn>1432-2072</eissn><coden>PSYPAG</coden><abstract>Rationale Considerable evidence indicates that brain ethanol metabolism mediated by catalase is involved in modulating some of the behavioral and physiological effects of this drug, which suggests that the first metabolite of ethanol, acetaldehyde, may have central actions. Previous results have shown that acetaldehyde administered into the lateral ventricles produced anxiolysis in a novel open arena in rats. Objectives The present studies investigate the effects of centrally formed acetaldehyde on ethanol-induced anxiolysis. Materials and methods The effects of the catalase inhibitor sodium azide (SA; 0 or 10 mg/kg, IP) on ethanol-induced anxiolysis (0.0, 0.5, or 1.0 g/kg, IP) were evaluated in CD1 mice in two anxiety paradigms, the elevated plus maze and the dark/light box. Additional studies assessed the effect of the noncompetitive catalase inhibitor 3-amino-1,2,4-triazole (AT; 0.5 g/kg, IP) and the acetaldehyde inactivation agent d -penicillamine (50 mg/kg, IP) on the plus maze. Results SA reduced the anxiolytic effects of ethanol on several parameters evaluated in the elevated plus maze and in the dark/light box. In the plus maze, AT completely blocked and d -penicillamine significantly reduced the anxiolytic properties of ethanol. Conclusions Thus, when cerebral metabolism of ethanol into acetaldehyde is blocked by catalase inhibitors, or acetaldehyde is inactivated, there is a suppressive effect on the anxiolytic actions of ethanol. These data provide further support for the idea that centrally formed or administered acetaldehyde can contribute to some of the psychopharmacological actions of ethanol, including its anxiolytic properties.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer-Verlag</pub><pmid>18587667</pmid><doi>10.1007/s00213-008-1219-3</doi><tpages>10</tpages></addata></record>
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subjects Acetaldehyde - metabolism
Alcoholism and acute alcohol poisoning
Amitrole - pharmacology
Animal behavior
Animals
Anti-Anxiety Agents - administration & dosage
Anti-Anxiety Agents - pharmacology
Anxiety
Anxiety - drug therapy
Biological and medical sciences
Biomedical and Life Sciences
Biomedicine
Catalase - antagonists & inhibitors
Central Nervous System Depressants - administration & dosage
Central Nervous System Depressants - pharmacology
Darkness
Disease Models, Animal
Dose-Response Relationship, Drug
Enzymes
Ethanol
Ethanol - administration & dosage
Ethanol - pharmacology
Inhibitor drugs
Light
Male
Maze Learning - drug effects
Medical sciences
Mice
Neurosciences
Original Investigation
Pharmacology/Toxicology
Psychiatry
Psychopharmacology
Rodents
Sodium Azide - administration & dosage
Sodium Azide - pharmacology
Toxicology
title Reduction in the anxiolytic effects of ethanol by centrally formed acetaldehyde: the role of catalase inhibitors and acetaldehyde-sequestering agents
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