Protective Effects of Inosine on Memory Consolidation in a Rat Model of Scopolamine-Induced Cognitive Impairment: Involvement of Cholinergic Signaling, Redox Status, and Ion Pump Activities

This study investigated the effects of inosine on memory acquisition and consolidation, cholinesterases activities, redox status and Na + , K + -ATPase activity in a rat model of scopolamine-induced cognitive impairment. Adult male rats were divided into four groups: control (saline), scopolamine (1...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Veröffentlicht in:Neurochemical research 2022-02, Vol.47 (2), p.446-460
Hauptverfasser: Teixeira, Fernanda Cardoso, de Mattos, Bruna da Silveira, Mello, Julia Eisenhardt de, Cardoso, Juliane, Spohr, Luiza, Luduvico, Karina Pereira, Soares, Mayara Sandrielly Pereira, Carvalho, Fabiano Barbosa, Gutierres, Jessie Martins, Oliveira Campello Felix, Anelize de, Stefanello, Francieli Moro, Spanevello, Roselia Maria
Format: Artikel
Sprache:eng
Schlagworte:
Online-Zugang:Volltext
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
container_end_page 460
container_issue 2
container_start_page 446
container_title Neurochemical research
container_volume 47
creator Teixeira, Fernanda Cardoso
de Mattos, Bruna da Silveira
Mello, Julia Eisenhardt de
Cardoso, Juliane
Spohr, Luiza
Luduvico, Karina Pereira
Soares, Mayara Sandrielly Pereira
Carvalho, Fabiano Barbosa
Gutierres, Jessie Martins
Oliveira Campello Felix, Anelize de
Stefanello, Francieli Moro
Spanevello, Roselia Maria
description This study investigated the effects of inosine on memory acquisition and consolidation, cholinesterases activities, redox status and Na + , K + -ATPase activity in a rat model of scopolamine-induced cognitive impairment. Adult male rats were divided into four groups: control (saline), scopolamine (1 mg/kg), scopolamine plus inosine (50 mg/kg), and scopolamine plus inosine (100 mg/kg). Inosine was pre-administered for 7 days, intraperitoneally. On day 8, scopolamine was administered pre (memory acquisition protocol) or post training (memory consolidation protocol) on inhibitory avoidance tasks. The animals were subjected to the step-down inhibitory avoidance task 24 hours after the training. Scopolamine induced impairment in the acquisition and consolidation phases; however, inosine was able to prevent only the impairment in memory consolidation. Also, scopolamine increased the activity of acetylcholinesterase and reduced the activity of Na + , K + -ATPase and the treatment with inosine protected against these alterations in consolidation protocol. In the animals treated with scopolamine, inosine improved the redox status by reducing the levels of reactive oxygen species and thiobarbituric acid reactive substances and restoring the activity of the antioxidant enzymes, superoxide dismutase and catalase. Our findings suggest that inosine may offer protection against scopolamine-induced memory consolidation impairment by modulating brain redox status, cholinergic signaling and ion pump activity. This compound may provide an interesting approach in pharmacotherapy and as a prophylactic against neurodegenerative mechanisms involved in Alzheimer’s disease. Graphic Abstract
doi_str_mv 10.1007/s11064-021-03460-5
format Article
fullrecord <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_miscellaneous_2580693054</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>2580693054</sourcerecordid><originalsourceid>FETCH-LOGICAL-c375t-14ed3840b3992155608210813371e5eb6e4bb70f185b3415c7460f7f409e771b3</originalsourceid><addsrcrecordid>eNp9kcFu1DAQhi0EokvhBTggS1w4NDCO4zjhVq0KRGpF1YVz5CST4CqxFztZ0Yfj3Zh0C0gcONnj-f5_bP-MvRTwVgDod1EIyLMEUpGAzHJI1CO2EUrLJC9BPmYbkNSWooQT9izGWwCSpeIpOyE6lSpPN-zndfAztrM9IL_oe9pF7nteOR-tQ-4dv8LJhzu-9S760XZmtnRoHTf8xsz8ync4ropd6_d-NBOpksp1S4sdaQZn762raW9smNDN78n74McDrsUq3H4jW4dhsC3f2cEZqoYzfoOd_8F3s5mXeMaN63hFc6-Xac_P1-uSL8bn7ElvxogvHtZT9vXDxZftp-Ty88dqe36ZtFKrOREZdrLIoJFlmQqlcihSAYWQUgtU2OSYNY2GXhSqkZlQrabf7HWfQYlai0aesjdH333w3xeMcz3Z2OI4God-iXWqCshLCSoj9PU_6K1fAr2KqDzVAKUWmqj0SLXBxxiwr_fBTibc1QLqNdz6GG5NedX34daKRK8erJdmwu6P5HeaBMgjEKnlBgx_Z__H9heRa6_2</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2627009717</pqid></control><display><type>article</type><title>Protective Effects of Inosine on Memory Consolidation in a Rat Model of Scopolamine-Induced Cognitive Impairment: Involvement of Cholinergic Signaling, Redox Status, and Ion Pump Activities</title><source>MEDLINE</source><source>SpringerNature Journals</source><creator>Teixeira, Fernanda Cardoso ; de Mattos, Bruna da Silveira ; Mello, Julia Eisenhardt de ; Cardoso, Juliane ; Spohr, Luiza ; Luduvico, Karina Pereira ; Soares, Mayara Sandrielly Pereira ; Carvalho, Fabiano Barbosa ; Gutierres, Jessie Martins ; Oliveira Campello Felix, Anelize de ; Stefanello, Francieli Moro ; Spanevello, Roselia Maria</creator><creatorcontrib>Teixeira, Fernanda Cardoso ; de Mattos, Bruna da Silveira ; Mello, Julia Eisenhardt de ; Cardoso, Juliane ; Spohr, Luiza ; Luduvico, Karina Pereira ; Soares, Mayara Sandrielly Pereira ; Carvalho, Fabiano Barbosa ; Gutierres, Jessie Martins ; Oliveira Campello Felix, Anelize de ; Stefanello, Francieli Moro ; Spanevello, Roselia Maria</creatorcontrib><description>This study investigated the effects of inosine on memory acquisition and consolidation, cholinesterases activities, redox status and Na + , K + -ATPase activity in a rat model of scopolamine-induced cognitive impairment. Adult male rats were divided into four groups: control (saline), scopolamine (1 mg/kg), scopolamine plus inosine (50 mg/kg), and scopolamine plus inosine (100 mg/kg). Inosine was pre-administered for 7 days, intraperitoneally. On day 8, scopolamine was administered pre (memory acquisition protocol) or post training (memory consolidation protocol) on inhibitory avoidance tasks. The animals were subjected to the step-down inhibitory avoidance task 24 hours after the training. Scopolamine induced impairment in the acquisition and consolidation phases; however, inosine was able to prevent only the impairment in memory consolidation. Also, scopolamine increased the activity of acetylcholinesterase and reduced the activity of Na + , K + -ATPase and the treatment with inosine protected against these alterations in consolidation protocol. In the animals treated with scopolamine, inosine improved the redox status by reducing the levels of reactive oxygen species and thiobarbituric acid reactive substances and restoring the activity of the antioxidant enzymes, superoxide dismutase and catalase. Our findings suggest that inosine may offer protection against scopolamine-induced memory consolidation impairment by modulating brain redox status, cholinergic signaling and ion pump activity. This compound may provide an interesting approach in pharmacotherapy and as a prophylactic against neurodegenerative mechanisms involved in Alzheimer’s disease. Graphic Abstract</description><identifier>ISSN: 0364-3190</identifier><identifier>EISSN: 1573-6903</identifier><identifier>DOI: 10.1007/s11064-021-03460-5</identifier><identifier>PMID: 34623562</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Acetylcholinesterase ; Acetylcholinesterase - metabolism ; Alzheimer's disease ; Animal cognition ; Animals ; Antioxidants ; Avoidance ; Biochemistry ; Biomedical and Life Sciences ; Biomedicine ; Catalase ; Cell Biology ; Cholinergic Agents - adverse effects ; Cholinergics ; Cognitive ability ; Cognitive Dysfunction ; Consolidation ; Drug therapy ; Impairment ; Inosine - adverse effects ; Ion Pumps - pharmacology ; Ion Pumps - therapeutic use ; Male ; Maze Learning ; Memory ; Memory Consolidation ; Memory Disorders - chemically induced ; Memory Disorders - drug therapy ; Memory Disorders - prevention &amp; control ; Na+/K+-exchanging ATPase ; Neurochemistry ; Neurodegenerative diseases ; Neurology ; Neurosciences ; Original Paper ; Oxidation-Reduction ; Oxidative Stress ; Rats ; Rats, Wistar ; Reactive oxygen species ; Rodents ; Scopolamine ; Scopolamine - pharmacology ; Signaling ; Superoxide dismutase ; Thiobarbituric acid ; Training</subject><ispartof>Neurochemical research, 2022-02, Vol.47 (2), p.446-460</ispartof><rights>The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2021</rights><rights>2021. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.</rights><rights>The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2021.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c375t-14ed3840b3992155608210813371e5eb6e4bb70f185b3415c7460f7f409e771b3</citedby><cites>FETCH-LOGICAL-c375t-14ed3840b3992155608210813371e5eb6e4bb70f185b3415c7460f7f409e771b3</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/s11064-021-03460-5$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11064-021-03460-5$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>315,782,786,27931,27932,41495,42564,51326</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/34623562$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Teixeira, Fernanda Cardoso</creatorcontrib><creatorcontrib>de Mattos, Bruna da Silveira</creatorcontrib><creatorcontrib>Mello, Julia Eisenhardt de</creatorcontrib><creatorcontrib>Cardoso, Juliane</creatorcontrib><creatorcontrib>Spohr, Luiza</creatorcontrib><creatorcontrib>Luduvico, Karina Pereira</creatorcontrib><creatorcontrib>Soares, Mayara Sandrielly Pereira</creatorcontrib><creatorcontrib>Carvalho, Fabiano Barbosa</creatorcontrib><creatorcontrib>Gutierres, Jessie Martins</creatorcontrib><creatorcontrib>Oliveira Campello Felix, Anelize de</creatorcontrib><creatorcontrib>Stefanello, Francieli Moro</creatorcontrib><creatorcontrib>Spanevello, Roselia Maria</creatorcontrib><title>Protective Effects of Inosine on Memory Consolidation in a Rat Model of Scopolamine-Induced Cognitive Impairment: Involvement of Cholinergic Signaling, Redox Status, and Ion Pump Activities</title><title>Neurochemical research</title><addtitle>Neurochem Res</addtitle><addtitle>Neurochem Res</addtitle><description>This study investigated the effects of inosine on memory acquisition and consolidation, cholinesterases activities, redox status and Na + , K + -ATPase activity in a rat model of scopolamine-induced cognitive impairment. Adult male rats were divided into four groups: control (saline), scopolamine (1 mg/kg), scopolamine plus inosine (50 mg/kg), and scopolamine plus inosine (100 mg/kg). Inosine was pre-administered for 7 days, intraperitoneally. On day 8, scopolamine was administered pre (memory acquisition protocol) or post training (memory consolidation protocol) on inhibitory avoidance tasks. The animals were subjected to the step-down inhibitory avoidance task 24 hours after the training. Scopolamine induced impairment in the acquisition and consolidation phases; however, inosine was able to prevent only the impairment in memory consolidation. Also, scopolamine increased the activity of acetylcholinesterase and reduced the activity of Na + , K + -ATPase and the treatment with inosine protected against these alterations in consolidation protocol. In the animals treated with scopolamine, inosine improved the redox status by reducing the levels of reactive oxygen species and thiobarbituric acid reactive substances and restoring the activity of the antioxidant enzymes, superoxide dismutase and catalase. Our findings suggest that inosine may offer protection against scopolamine-induced memory consolidation impairment by modulating brain redox status, cholinergic signaling and ion pump activity. This compound may provide an interesting approach in pharmacotherapy and as a prophylactic against neurodegenerative mechanisms involved in Alzheimer’s disease. Graphic Abstract</description><subject>Acetylcholinesterase</subject><subject>Acetylcholinesterase - metabolism</subject><subject>Alzheimer's disease</subject><subject>Animal cognition</subject><subject>Animals</subject><subject>Antioxidants</subject><subject>Avoidance</subject><subject>Biochemistry</subject><subject>Biomedical and Life Sciences</subject><subject>Biomedicine</subject><subject>Catalase</subject><subject>Cell Biology</subject><subject>Cholinergic Agents - adverse effects</subject><subject>Cholinergics</subject><subject>Cognitive ability</subject><subject>Cognitive Dysfunction</subject><subject>Consolidation</subject><subject>Drug therapy</subject><subject>Impairment</subject><subject>Inosine - adverse effects</subject><subject>Ion Pumps - pharmacology</subject><subject>Ion Pumps - therapeutic use</subject><subject>Male</subject><subject>Maze Learning</subject><subject>Memory</subject><subject>Memory Consolidation</subject><subject>Memory Disorders - chemically induced</subject><subject>Memory Disorders - drug therapy</subject><subject>Memory Disorders - prevention &amp; control</subject><subject>Na+/K+-exchanging ATPase</subject><subject>Neurochemistry</subject><subject>Neurodegenerative diseases</subject><subject>Neurology</subject><subject>Neurosciences</subject><subject>Original Paper</subject><subject>Oxidation-Reduction</subject><subject>Oxidative Stress</subject><subject>Rats</subject><subject>Rats, Wistar</subject><subject>Reactive oxygen species</subject><subject>Rodents</subject><subject>Scopolamine</subject><subject>Scopolamine - pharmacology</subject><subject>Signaling</subject><subject>Superoxide dismutase</subject><subject>Thiobarbituric acid</subject><subject>Training</subject><issn>0364-3190</issn><issn>1573-6903</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp9kcFu1DAQhi0EokvhBTggS1w4NDCO4zjhVq0KRGpF1YVz5CST4CqxFztZ0Yfj3Zh0C0gcONnj-f5_bP-MvRTwVgDod1EIyLMEUpGAzHJI1CO2EUrLJC9BPmYbkNSWooQT9izGWwCSpeIpOyE6lSpPN-zndfAztrM9IL_oe9pF7nteOR-tQ-4dv8LJhzu-9S760XZmtnRoHTf8xsz8ync4ropd6_d-NBOpksp1S4sdaQZn762raW9smNDN78n74McDrsUq3H4jW4dhsC3f2cEZqoYzfoOd_8F3s5mXeMaN63hFc6-Xac_P1-uSL8bn7ElvxogvHtZT9vXDxZftp-Ty88dqe36ZtFKrOREZdrLIoJFlmQqlcihSAYWQUgtU2OSYNY2GXhSqkZlQrabf7HWfQYlai0aesjdH333w3xeMcz3Z2OI4God-iXWqCshLCSoj9PU_6K1fAr2KqDzVAKUWmqj0SLXBxxiwr_fBTibc1QLqNdz6GG5NedX34daKRK8erJdmwu6P5HeaBMgjEKnlBgx_Z__H9heRa6_2</recordid><startdate>20220201</startdate><enddate>20220201</enddate><creator>Teixeira, Fernanda Cardoso</creator><creator>de Mattos, Bruna da Silveira</creator><creator>Mello, Julia Eisenhardt de</creator><creator>Cardoso, Juliane</creator><creator>Spohr, Luiza</creator><creator>Luduvico, Karina Pereira</creator><creator>Soares, Mayara Sandrielly Pereira</creator><creator>Carvalho, Fabiano Barbosa</creator><creator>Gutierres, Jessie Martins</creator><creator>Oliveira Campello Felix, Anelize de</creator><creator>Stefanello, Francieli Moro</creator><creator>Spanevello, Roselia Maria</creator><general>Springer US</general><general>Springer Nature B.V</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>3V.</scope><scope>7QR</scope><scope>7TK</scope><scope>7U7</scope><scope>7X7</scope><scope>7XB</scope><scope>88A</scope><scope>88E</scope><scope>8AO</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>LK8</scope><scope>M0S</scope><scope>M1P</scope><scope>M7P</scope><scope>P64</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope></search><sort><creationdate>20220201</creationdate><title>Protective Effects of Inosine on Memory Consolidation in a Rat Model of Scopolamine-Induced Cognitive Impairment: Involvement of Cholinergic Signaling, Redox Status, and Ion Pump Activities</title><author>Teixeira, Fernanda Cardoso ; de Mattos, Bruna da Silveira ; Mello, Julia Eisenhardt de ; Cardoso, Juliane ; Spohr, Luiza ; Luduvico, Karina Pereira ; Soares, Mayara Sandrielly Pereira ; Carvalho, Fabiano Barbosa ; Gutierres, Jessie Martins ; Oliveira Campello Felix, Anelize de ; Stefanello, Francieli Moro ; Spanevello, Roselia Maria</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c375t-14ed3840b3992155608210813371e5eb6e4bb70f185b3415c7460f7f409e771b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Acetylcholinesterase</topic><topic>Acetylcholinesterase - metabolism</topic><topic>Alzheimer's disease</topic><topic>Animal cognition</topic><topic>Animals</topic><topic>Antioxidants</topic><topic>Avoidance</topic><topic>Biochemistry</topic><topic>Biomedical and Life Sciences</topic><topic>Biomedicine</topic><topic>Catalase</topic><topic>Cell Biology</topic><topic>Cholinergic Agents - adverse effects</topic><topic>Cholinergics</topic><topic>Cognitive ability</topic><topic>Cognitive Dysfunction</topic><topic>Consolidation</topic><topic>Drug therapy</topic><topic>Impairment</topic><topic>Inosine - adverse effects</topic><topic>Ion Pumps - pharmacology</topic><topic>Ion Pumps - therapeutic use</topic><topic>Male</topic><topic>Maze Learning</topic><topic>Memory</topic><topic>Memory Consolidation</topic><topic>Memory Disorders - chemically induced</topic><topic>Memory Disorders - drug therapy</topic><topic>Memory Disorders - prevention &amp; control</topic><topic>Na+/K+-exchanging ATPase</topic><topic>Neurochemistry</topic><topic>Neurodegenerative diseases</topic><topic>Neurology</topic><topic>Neurosciences</topic><topic>Original Paper</topic><topic>Oxidation-Reduction</topic><topic>Oxidative Stress</topic><topic>Rats</topic><topic>Rats, Wistar</topic><topic>Reactive oxygen species</topic><topic>Rodents</topic><topic>Scopolamine</topic><topic>Scopolamine - pharmacology</topic><topic>Signaling</topic><topic>Superoxide dismutase</topic><topic>Thiobarbituric acid</topic><topic>Training</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Teixeira, Fernanda Cardoso</creatorcontrib><creatorcontrib>de Mattos, Bruna da Silveira</creatorcontrib><creatorcontrib>Mello, Julia Eisenhardt de</creatorcontrib><creatorcontrib>Cardoso, Juliane</creatorcontrib><creatorcontrib>Spohr, Luiza</creatorcontrib><creatorcontrib>Luduvico, Karina Pereira</creatorcontrib><creatorcontrib>Soares, Mayara Sandrielly Pereira</creatorcontrib><creatorcontrib>Carvalho, Fabiano Barbosa</creatorcontrib><creatorcontrib>Gutierres, Jessie Martins</creatorcontrib><creatorcontrib>Oliveira Campello Felix, Anelize de</creatorcontrib><creatorcontrib>Stefanello, Francieli Moro</creatorcontrib><creatorcontrib>Spanevello, Roselia Maria</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Chemoreception Abstracts</collection><collection>Neurosciences Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Health &amp; Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Biology Database (Alumni Edition)</collection><collection>Medical Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health &amp; Medical Complete (Alumni)</collection><collection>ProQuest Biological Science Collection</collection><collection>Health &amp; Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Biological Science Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>MEDLINE - Academic</collection><jtitle>Neurochemical research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Teixeira, Fernanda Cardoso</au><au>de Mattos, Bruna da Silveira</au><au>Mello, Julia Eisenhardt de</au><au>Cardoso, Juliane</au><au>Spohr, Luiza</au><au>Luduvico, Karina Pereira</au><au>Soares, Mayara Sandrielly Pereira</au><au>Carvalho, Fabiano Barbosa</au><au>Gutierres, Jessie Martins</au><au>Oliveira Campello Felix, Anelize de</au><au>Stefanello, Francieli Moro</au><au>Spanevello, Roselia Maria</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Protective Effects of Inosine on Memory Consolidation in a Rat Model of Scopolamine-Induced Cognitive Impairment: Involvement of Cholinergic Signaling, Redox Status, and Ion Pump Activities</atitle><jtitle>Neurochemical research</jtitle><stitle>Neurochem Res</stitle><addtitle>Neurochem Res</addtitle><date>2022-02-01</date><risdate>2022</risdate><volume>47</volume><issue>2</issue><spage>446</spage><epage>460</epage><pages>446-460</pages><issn>0364-3190</issn><eissn>1573-6903</eissn><abstract>This study investigated the effects of inosine on memory acquisition and consolidation, cholinesterases activities, redox status and Na + , K + -ATPase activity in a rat model of scopolamine-induced cognitive impairment. Adult male rats were divided into four groups: control (saline), scopolamine (1 mg/kg), scopolamine plus inosine (50 mg/kg), and scopolamine plus inosine (100 mg/kg). Inosine was pre-administered for 7 days, intraperitoneally. On day 8, scopolamine was administered pre (memory acquisition protocol) or post training (memory consolidation protocol) on inhibitory avoidance tasks. The animals were subjected to the step-down inhibitory avoidance task 24 hours after the training. Scopolamine induced impairment in the acquisition and consolidation phases; however, inosine was able to prevent only the impairment in memory consolidation. Also, scopolamine increased the activity of acetylcholinesterase and reduced the activity of Na + , K + -ATPase and the treatment with inosine protected against these alterations in consolidation protocol. In the animals treated with scopolamine, inosine improved the redox status by reducing the levels of reactive oxygen species and thiobarbituric acid reactive substances and restoring the activity of the antioxidant enzymes, superoxide dismutase and catalase. Our findings suggest that inosine may offer protection against scopolamine-induced memory consolidation impairment by modulating brain redox status, cholinergic signaling and ion pump activity. This compound may provide an interesting approach in pharmacotherapy and as a prophylactic against neurodegenerative mechanisms involved in Alzheimer’s disease. Graphic Abstract</abstract><cop>New York</cop><pub>Springer US</pub><pmid>34623562</pmid><doi>10.1007/s11064-021-03460-5</doi><tpages>15</tpages></addata></record>
fulltext fulltext
identifier ISSN: 0364-3190
ispartof Neurochemical research, 2022-02, Vol.47 (2), p.446-460
issn 0364-3190
1573-6903
language eng
recordid cdi_proquest_miscellaneous_2580693054
source MEDLINE; SpringerNature Journals
subjects Acetylcholinesterase
Acetylcholinesterase - metabolism
Alzheimer's disease
Animal cognition
Animals
Antioxidants
Avoidance
Biochemistry
Biomedical and Life Sciences
Biomedicine
Catalase
Cell Biology
Cholinergic Agents - adverse effects
Cholinergics
Cognitive ability
Cognitive Dysfunction
Consolidation
Drug therapy
Impairment
Inosine - adverse effects
Ion Pumps - pharmacology
Ion Pumps - therapeutic use
Male
Maze Learning
Memory
Memory Consolidation
Memory Disorders - chemically induced
Memory Disorders - drug therapy
Memory Disorders - prevention & control
Na+/K+-exchanging ATPase
Neurochemistry
Neurodegenerative diseases
Neurology
Neurosciences
Original Paper
Oxidation-Reduction
Oxidative Stress
Rats
Rats, Wistar
Reactive oxygen species
Rodents
Scopolamine
Scopolamine - pharmacology
Signaling
Superoxide dismutase
Thiobarbituric acid
Training
title Protective Effects of Inosine on Memory Consolidation in a Rat Model of Scopolamine-Induced Cognitive Impairment: Involvement of Cholinergic Signaling, Redox Status, and Ion Pump Activities
url https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2024-12-05T11%3A40%3A14IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-proquest_cross&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Protective%20Effects%20of%20Inosine%20on%20Memory%20Consolidation%20in%20a%20Rat%20Model%20of%20Scopolamine-Induced%20Cognitive%20Impairment:%20Involvement%20of%20Cholinergic%20Signaling,%20Redox%20Status,%20and%20Ion%20Pump%20Activities&rft.jtitle=Neurochemical%20research&rft.au=Teixeira,%20Fernanda%20Cardoso&rft.date=2022-02-01&rft.volume=47&rft.issue=2&rft.spage=446&rft.epage=460&rft.pages=446-460&rft.issn=0364-3190&rft.eissn=1573-6903&rft_id=info:doi/10.1007/s11064-021-03460-5&rft_dat=%3Cproquest_cross%3E2580693054%3C/proquest_cross%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=2627009717&rft_id=info:pmid/34623562&rfr_iscdi=true