Intraventricular Infusions of Anti‐Neural Cell Adhesion Molecules in a Discrete Posttraining Period Impair Consolidation of a Passive Avoidance Response in the Rat

: Intraventricular infusions of anti‐neural cell adhesion molecule (anti‐NCAM) are demonstrated to inhibit consolidation of a passive avoidance response when administered in the 6‐8‐h posttraining period. Anti‐NCAM was ineffective when administered during training or at any other time up to 10 h the...

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Veröffentlicht in:Journal of neurochemistry 1992-10, Vol.59 (4), p.1570-1573
Hauptverfasser: Doyle, E., Nolan, P. M., Bell, R., Regan, C. M.
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container_end_page 1573
container_issue 4
container_start_page 1570
container_title Journal of neurochemistry
container_volume 59
creator Doyle, E.
Nolan, P. M.
Bell, R.
Regan, C. M.
description : Intraventricular infusions of anti‐neural cell adhesion molecule (anti‐NCAM) are demonstrated to inhibit consolidation of a passive avoidance response when administered in the 6‐8‐h posttraining period. Anti‐NCAM was ineffective when administered during training or at any other time up to 10 h thereafter, and no amnesic effects were observed with absorbed anti‐NCAM or anti‐neurofilament protein. Amnesia was observed only at the 48‐h recall time, and this could not be attributed to poor antibody penetration or a prolonged residence time, as studies with 125I‐labelled anti‐NCAM in trained animals demonstrated a rapid accumulation into all brain regions, and this was marked in the olfactory bulb and hippocampus, areas showing an inherent and paradigm‐specific increase in NCAM sialylation state, respectively. The lack of an amnesic action at the 24‐h recall time is attributed to anti‐NCAM‐impaired synapse structuring becoming apparent following the paradigm‐specific increases in NCAM sialylation state.
doi_str_mv 10.1111/j.1471-4159.1992.tb08477.x
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M.</creatorcontrib><creatorcontrib>Bell, R.</creatorcontrib><creatorcontrib>Regan, C. M.</creatorcontrib><title>Intraventricular Infusions of Anti‐Neural Cell Adhesion Molecules in a Discrete Posttraining Period Impair Consolidation of a Passive Avoidance Response in the Rat</title><title>Journal of neurochemistry</title><addtitle>J Neurochem</addtitle><description>: Intraventricular infusions of anti‐neural cell adhesion molecule (anti‐NCAM) are demonstrated to inhibit consolidation of a passive avoidance response when administered in the 6‐8‐h posttraining period. Anti‐NCAM was ineffective when administered during training or at any other time up to 10 h thereafter, and no amnesic effects were observed with absorbed anti‐NCAM or anti‐neurofilament protein. Amnesia was observed only at the 48‐h recall time, and this could not be attributed to poor antibody penetration or a prolonged residence time, as studies with 125I‐labelled anti‐NCAM in trained animals demonstrated a rapid accumulation into all brain regions, and this was marked in the olfactory bulb and hippocampus, areas showing an inherent and paradigm‐specific increase in NCAM sialylation state, respectively. The lack of an amnesic action at the 24‐h recall time is attributed to anti‐NCAM‐impaired synapse structuring becoming apparent following the paradigm‐specific increases in NCAM sialylation state.</description><subject>Amnesia - etiology</subject><subject>Animals</subject><subject>Antibodies - immunology</subject><subject>Antibodies - physiology</subject><subject>Anti‐neural cell adhesion molecules</subject><subject>Avoidance Learning - physiology</subject><subject>Biological and medical sciences</subject><subject>Brain - metabolism</subject><subject>Cell Adhesion Molecules, Neuronal - immunology</subject><subject>Cell Adhesion Molecules, Neuronal - physiology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Immunoglobulin G - immunology</subject><subject>Immunoglobulin G - metabolism</subject><subject>Immunologic Techniques</subject><subject>Injections, Intraventricular</subject><subject>Learning. Memory</subject><subject>Memory consolidation</subject><subject>Passive avoidance</subject><subject>Psychology. Psychoanalysis. Psychiatry</subject><subject>Psychology. 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M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3450-4a4d2da0c97db8c3a9373aa13e3a5d95d24d1525a96f0ed56be3ec884fbae4933</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1992</creationdate><topic>Amnesia - etiology</topic><topic>Animals</topic><topic>Antibodies - immunology</topic><topic>Antibodies - physiology</topic><topic>Anti‐neural cell adhesion molecules</topic><topic>Avoidance Learning - physiology</topic><topic>Biological and medical sciences</topic><topic>Brain - metabolism</topic><topic>Cell Adhesion Molecules, Neuronal - immunology</topic><topic>Cell Adhesion Molecules, Neuronal - physiology</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Immunoglobulin G - immunology</topic><topic>Immunoglobulin G - metabolism</topic><topic>Immunologic Techniques</topic><topic>Injections, Intraventricular</topic><topic>Learning. Memory</topic><topic>Memory consolidation</topic><topic>Passive avoidance</topic><topic>Psychology. Psychoanalysis. Psychiatry</topic><topic>Psychology. Psychophysiology</topic><topic>Rats</topic><topic>Rats, Wistar</topic><topic>Time Factors</topic><topic>Tissue Distribution</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Doyle, E.</creatorcontrib><creatorcontrib>Nolan, P. M.</creatorcontrib><creatorcontrib>Bell, R.</creatorcontrib><creatorcontrib>Regan, C. 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M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Intraventricular Infusions of Anti‐Neural Cell Adhesion Molecules in a Discrete Posttraining Period Impair Consolidation of a Passive Avoidance Response in the Rat</atitle><jtitle>Journal of neurochemistry</jtitle><addtitle>J Neurochem</addtitle><date>1992-10</date><risdate>1992</risdate><volume>59</volume><issue>4</issue><spage>1570</spage><epage>1573</epage><pages>1570-1573</pages><issn>0022-3042</issn><eissn>1471-4159</eissn><coden>JONRA9</coden><abstract>: Intraventricular infusions of anti‐neural cell adhesion molecule (anti‐NCAM) are demonstrated to inhibit consolidation of a passive avoidance response when administered in the 6‐8‐h posttraining period. Anti‐NCAM was ineffective when administered during training or at any other time up to 10 h thereafter, and no amnesic effects were observed with absorbed anti‐NCAM or anti‐neurofilament protein. Amnesia was observed only at the 48‐h recall time, and this could not be attributed to poor antibody penetration or a prolonged residence time, as studies with 125I‐labelled anti‐NCAM in trained animals demonstrated a rapid accumulation into all brain regions, and this was marked in the olfactory bulb and hippocampus, areas showing an inherent and paradigm‐specific increase in NCAM sialylation state, respectively. The lack of an amnesic action at the 24‐h recall time is attributed to anti‐NCAM‐impaired synapse structuring becoming apparent following the paradigm‐specific increases in NCAM sialylation state.</abstract><cop>Oxford, UK</cop><pub>Blackwell Publishing Ltd</pub><pmid>1402906</pmid><doi>10.1111/j.1471-4159.1992.tb08477.x</doi><tpages>4</tpages></addata></record>
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subjects Amnesia - etiology
Animals
Antibodies - immunology
Antibodies - physiology
Anti‐neural cell adhesion molecules
Avoidance Learning - physiology
Biological and medical sciences
Brain - metabolism
Cell Adhesion Molecules, Neuronal - immunology
Cell Adhesion Molecules, Neuronal - physiology
Fundamental and applied biological sciences. Psychology
Immunoglobulin G - immunology
Immunoglobulin G - metabolism
Immunologic Techniques
Injections, Intraventricular
Learning. Memory
Memory consolidation
Passive avoidance
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Rats
Rats, Wistar
Time Factors
Tissue Distribution
title Intraventricular Infusions of Anti‐Neural Cell Adhesion Molecules in a Discrete Posttraining Period Impair Consolidation of a Passive Avoidance Response in the Rat
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