Limbic system associated membrane protein as a potential target for neuropsychiatric disorders

The studies performed in laboratory animals and psychiatric patients suggest a possible role of limbic system associated membrane protein (LAMP) in the mechanisms of psychiatric disorders. Stressful manipulations and genetic invalidation have revealed a role of the Lsamp gene in the regulation of an...

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Main Authors: Eero eVasar, Jürgen eInnos, Mari-Anne ePhilips, Kati eKoido
Format: Article
Language:English
Published: Frontiers Media S.A. 2013-03-01
Series:Frontiers in Pharmacology
Subjects:
Online Access:http://journal.frontiersin.org/Journal/10.3389/fphar.2013.00032/full
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author Eero eVasar
Jürgen eInnos
Mari-Anne ePhilips
Kati eKoido
author_facet Eero eVasar
Jürgen eInnos
Mari-Anne ePhilips
Kati eKoido
author_sort Eero eVasar
collection DOAJ
description The studies performed in laboratory animals and psychiatric patients suggest a possible role of limbic system associated membrane protein (LAMP) in the mechanisms of psychiatric disorders. Stressful manipulations and genetic invalidation have revealed a role of the Lsamp gene in the regulation of anxiety in rodents. Besides that, Lsamp deficient mice display reduced aggressiveness and impaired adaptation in novel and stressful environments. The behavioural effects of amphetamine were blunted in genetically modified mice. Recent pharmacological and biochemical studies point towards altered function of GABA-, 5-hydroxytryptamine- and dopaminergic systems in Lsamp deficient mice. Moreover, we found an association between the gene polymorphisms of LSAMP and major depressive disorder. Patients suffering from major depressive disorder had significantly increased ratio between risk and protective haplotypes of the LSAMP gene compared to healthy volunteers. However, the impact of these haplotypes for the function of LAMP is not clear and remains to be elucidated in future studies.
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spelling doaj.art-77c892c7618144a79dab18229d40150f2022-12-21T18:45:18ZengFrontiers Media S.A.Frontiers in Pharmacology1663-98122013-03-01410.3389/fphar.2013.0003242968Limbic system associated membrane protein as a potential target for neuropsychiatric disordersEero eVasar0Jürgen eInnos1Mari-Anne ePhilips2Kati eKoido3University of TartuUniversity of TartuUniversity of TartuUniversity of TartuThe studies performed in laboratory animals and psychiatric patients suggest a possible role of limbic system associated membrane protein (LAMP) in the mechanisms of psychiatric disorders. Stressful manipulations and genetic invalidation have revealed a role of the Lsamp gene in the regulation of anxiety in rodents. Besides that, Lsamp deficient mice display reduced aggressiveness and impaired adaptation in novel and stressful environments. The behavioural effects of amphetamine were blunted in genetically modified mice. Recent pharmacological and biochemical studies point towards altered function of GABA-, 5-hydroxytryptamine- and dopaminergic systems in Lsamp deficient mice. Moreover, we found an association between the gene polymorphisms of LSAMP and major depressive disorder. Patients suffering from major depressive disorder had significantly increased ratio between risk and protective haplotypes of the LSAMP gene compared to healthy volunteers. However, the impact of these haplotypes for the function of LAMP is not clear and remains to be elucidated in future studies.http://journal.frontiersin.org/Journal/10.3389/fphar.2013.00032/fullAnxietyDopaminePanic DisorderSchizophreniaGABAMajor Depressive Disorder
spellingShingle Eero eVasar
Jürgen eInnos
Mari-Anne ePhilips
Kati eKoido
Limbic system associated membrane protein as a potential target for neuropsychiatric disorders
Frontiers in Pharmacology
Anxiety
Dopamine
Panic Disorder
Schizophrenia
GABA
Major Depressive Disorder
title Limbic system associated membrane protein as a potential target for neuropsychiatric disorders
title_full Limbic system associated membrane protein as a potential target for neuropsychiatric disorders
title_fullStr Limbic system associated membrane protein as a potential target for neuropsychiatric disorders
title_full_unstemmed Limbic system associated membrane protein as a potential target for neuropsychiatric disorders
title_short Limbic system associated membrane protein as a potential target for neuropsychiatric disorders
title_sort limbic system associated membrane protein as a potential target for neuropsychiatric disorders
topic Anxiety
Dopamine
Panic Disorder
Schizophrenia
GABA
Major Depressive Disorder
url http://journal.frontiersin.org/Journal/10.3389/fphar.2013.00032/full
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