Evidence map›Paper›PMID 22564541›Full record

ArticleThe international journal of neuropsychopharmacology2013

Neuroprotective effects of the mood stabilizer lamotrigine against glutamate excitotoxicity: roles of chromatin remodelling and Bcl-2 induction.

Yan Leng, Emily Bame Fessler, De-Maw Chuang

Open access · bronzeAbstract read
In one paragraph

Article in The international journal of neuropsychopharmacology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed, 2 pooled it
1.7field-weighted citation impact, top 17% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

22 citing papers in PubMed, 2 syntheses or guidelines pooled it, 51 citations in OpenAlex.

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  9. Understanding Lamotrigine's Role in the CNS and Possible Future Evolution.International journal of molecular sciences · 2023
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  15. Brain targeting stealth lipomers of combined antiepileptic-anti-inflammatory drugs as alternative therapy for conventional anti-Parkinson's.Saudi pharmaceutical journal : SPJ : the official publication of the Saudi Pharmaceutical Society · 2020
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors at 2 institutions in 1 country.

Yan LengMolecular Neurobiology Section, National Institute of Mental Health, National Institutes of Health, Bethesda, MD 20892-1363, USA.
Emily Bame Fessler
De-Maw Chuang
National Institutes of Health · USNational Institute of Mental Health · US

Funding

Mechanisms Of Action Of Psychoactive DrugsZIAMH002468 · NIMH · NATIONAL INSTITUTE OF MENTAL HEALTH · PI AMARA, SUSAN · 2009 to 2015
$10.1M
MECHANISMS OF ACTION OF PSYCHOACTIVE DRUGSZ01MH002468 · NIMH · NATIONAL INSTITUTE OF MENTAL HEALTH · PI CHUANG, DE-MAW · 1990 to 2008
$3.9M
Intramural NIH HHS Z01 MH002468
6 · The paper itself

Abstract

Lamotrigine (LTG), a phenyltriazine derivative and anti-epileptic drug, has emerged as an effective first-line treatment for bipolar mood disorder. Like the other mood stabilizers lithium and valproate, LTG also has neuroprotective properties but its exact mechanisms remain poorly defined. The present study utilized rat cerebellar granule cells (CGCs) to examine the neuroprotective effects of LTG against glutamate-induced excitotoxicity and to investigate potential underlying mechanisms. CGCs pretreated with LTG were challenged with an excitotoxic dose of glutamate. Pretreatment caused a time- and concentration-dependent inhibition of glutamate excitotoxicity with nearly full protection at higher doses (≥ 100 μm), as revealed by cell viability assays and morphology. LTG treatment increased levels of acetylated histone H3 and H4 as well as dose- and time-dependently enhanced B-cell lymphoma-2 (Bcl-2) mRNA and protein levels; these changes were associated with up-regulation of the histone acetylation and activity of the Bcl-2 promoter. Importantly, lentiviral-mediated Bcl-2 silencing by shRNA reduced both LTG-induced Bcl-2 mRNA up-regulation and neuroprotection against glutamate excitotoxicity. Finally, the co-presence of a sub-effective concentration of LTG (10 μm) with lithium or valproate produced synergistic neuroprotection. Together, our results demonstrate that the neuroprotective effects of LTG against glutamate excitotoxicity likely involve histone deacetylase inhibition and downstream up-regulation of anti-apoptotic protein Bcl-2. These underlying mechanisms may contribute to the clinical efficacy of LTG in treating bipolar disorder and warrant further investigation.

Indexed as

AffectAnimalsAntimanic AgentsCells, CulturedCell SurvivalCerebellumChromatin Assembly and DisassemblyGlutamic AcidLamotrigineNeuroprotective AgentsProto-Oncogene Proteins c-bcl-2RatsRats, Sprague-DawleyTriazinesAntimanic AgentsGlutamic AcidLamotrigineNeuroprotective AgentsProto-Oncogene Proteins c-bcl-2Triazines

Identifiers

PMID22564541
PMCPMC6324934
OpenAlexW2161297645

What OpenQuestion holds

Textmetadata
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Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.