Evidence map›Paper›PMID 26162823›Full record

ArticleBMC neuroscience2015

Differential effects of antidepressants escitalopram versus lithium on Gs alpha membrane relocalization.

Robert J Donati, Jeffrey Schappi, Andrew H Czysz, Alexander Jackson, Mark M Rasenick

Open access · goldAbstract readComparative Study
In one paragraph

Article in BMC neuroscience, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
1.1field-weighted citation impact, top 24% 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

11 citing papers in PubMed, 17 citations in OpenAlex.

  1. Rafting toward a depression biomarker.European archives of psychiatry and clinical neuroscience · 2025
    Article
  2. Article
  3. Article
  4. Article
  5. Antidepressants Produce Persistent GMolecular pharmacology · 2021
    Article
  6. The Astrocytic cAMP Pathway in Health and Disease.International journal of molecular sciences · 2019
    Review
  7. Regulation of monoamine transporters and receptors by lipid microdomains: implications for depression.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2018
    Review
  8. Review
  9. Article
  10. Review
  11. Review
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

5 authors at 1 institution in 1 country.

Robert J DonatiDepartments of Physiology and Biophysics, College of Medicine, University of Illinois at Chicago, Chicago, IL, 60612-7342, USA. rdonati@ico.edu.
Jeffrey SchappiDepartments of Physiology and Biophysics, College of Medicine, University of Illinois at Chicago, Chicago, IL, 60612-7342, USA. jschap3@uic.edu.
Andrew H CzyszDepartments of Physiology and Biophysics, College of Medicine, University of Illinois at Chicago, Chicago, IL, 60612-7342, USA. aczysz2@uic.edu.
Alexander JacksonDepartments of Physiology and Biophysics, College of Medicine, University of Illinois at Chicago, Chicago, IL, 60612-7342, USA.
Mark M RasenickDepartments of Physiology and Biophysics, College of Medicine, University of Illinois at Chicago, Chicago, IL, 60612-7342, USA. RAZ@uic.edu.
University of Illinois Chicago · US

Funding

Training in the Neuroscience of Mental HealthT32MH067631 · NIMH · UNIVERSITY OF ILLINOIS AT CHICAGO · PI RASENICK, MARK M. · 2004 to 2024
$4.8M
Mechanism of Action for n-3 PUFA antidepressant propertiesR01AT009169 · NCCIH · UNIVERSITY OF ILLINOIS AT CHICAGO · PI RASENICK, MARK M. · 2015 to 2018
$1.5M
Lipid raft localization of Gs: a biomarker for depression and therapeutic responseI01BX001149 · VA · JESSE BROWN VA MEDICAL CENTER · PI RASENICK, MARK M. · 2012 to 2024
–
BLRD VA I01 BX001149NCCIH NIH HHS R01 AT009169NIMH NIH HHS T32 MH067631
6 · The paper itself

Abstract

backgroundPlasma membrane localization can play a significant role in the ultimate function of certain proteins. Specific membrane domains like lipid rafts have been shown to be inhibitory domains to a number of signaling proteins, including Gsα, and chronic antidepressant treatment facilitates Gs signaling by removing Gsα form lipid rafts. The intent of this study is to compare the effects of the selective serotnin reuptake inhibitor, escitalopram, with that of the mood stabilizing drug, lithium.

resultsThere are a number of mechanisms of action proposed for lithium as a mood stabilizing agent, but the interactions between G proteins (particularly Gs) and mood stabilizing drugs are not well explored. Of particular interest was the possibility that there was some effect of mood stabilizers on the association between Gsα and cholesterol-rich membrane microdomains (lipid rafts), similar to that seen with long-term antidepressant treatment. This was examined by biochemical and imaging (fluorescence recovery after photobleaching: FRAP) approaches. Results indicate that escitalopram was effective at liberating Gsα from lipid rafts while lithium was not.

conclusionsThere are a number of drug treatments for mood disorders and yet there is no unifying hypothesis for a cellular or molecular basis of action. It is evident that there may in fact not be a single mechanism, but rather a number of different mechanisms that converge at a common point. The results of this study indicate that the mood stabilizing agent, lithium, and the selective serotonin reuptake inhibitor, escitalopram, act on their cellular targets through mutually exclusive pathways. These results also validate the hypothesis that translocation of Gsα from lipid rafts could serve as a biosignature for antidepressant action.

Indexed as

AnimalsAntidepressive AgentsAntimanic AgentsBlotting, WesternCell Line, TumorCitalopramElectrophoresis, Polyacrylamide GelFluorescence Recovery After PhotobleachingGTP-Binding Protein alpha Subunits, Gi-GoGTP-Binding Protein alpha Subunits, GsLithium CompoundsMembrane MicrodomainsRatsSelective Serotonin Reuptake InhibitorsValproic AcidAntidepressive AgentsAntimanic AgentsCitalopramGTP-Binding Protein alpha Subunits, Gi-GoGTP-Binding Protein alpha Subunits, GsLithium CompoundsSelective Serotonin Reuptake InhibitorsValproic Acid

Identifiers

PMID26162823
PMCPMC4499192
OpenAlexW1596729265

What OpenQuestion holds

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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.