Evidence map›Paper›PMID 28728878›Full record

ArticleJournal of proteomics2017

A mass spectrometry-based proteomic analysis of Homer2-interacting proteins in the mouse brain.

Scott P Goulding, Karen K Szumlinski, Candice Contet, Michael J MacCoss, Christine C Wu

Abstract read
In one paragraph

Article in Journal of proteomics, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
0.6field-weighted citation impact, top 34% 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

10 citing papers in PubMed, 11 citations in OpenAlex.

  1. Article
  2. Connecting the Dots: AMOG/βInternational journal of molecular sciences · 2025
    Review
  3. Article
  4. Article
  5. Article
  6. Article
  7. Review
  8. Article
  9. Article
  10. Homer2 and Alcohol: A Mutual Interaction.Frontiers in psychiatry · 2017
    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 5 institutions in 1 country.

Scott P GouldingDepartment of Neuroscience, The Scripps Research Institute, La Jolla, CA, United States; Neuroscience Program, University of Colorado Anschutz Medical Campus, Aurora, CO, United States; Department of Cell Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States; Department of Genome Sciences, University of Washington School of Medicine, Seattle, WA, United States. Electronic address: goulding@scripps.edu.
Karen K SzumlinskiDepartment of Psychological and Brain Sciences, Molecular, Cellular and Developmental Biology, The Neuroscience Research Institute, University of California, Santa Barbara, Santa Barbara, CA, United States.
Candice ContetDepartment of Neuroscience, The Scripps Research Institute, La Jolla, CA, United States.
Michael J MacCossDepartment of Genome Sciences, University of Washington School of Medicine, Seattle, WA, United States.
Christine C WuDepartment of Cell Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States.
Scripps Research Institute · USUniversity of California, Santa Barbara · USUniversity of Colorado Anschutz Medical Campus · USUniversity of Pittsburgh · USUniversity of Washington · US

Funding

TrainingP41GM103533 · NIGMS · UNIVERSITY OF WASHINGTON · PI YATES III, JOHN R · 2012 to 2021
$20.7M
Neurpsychopharmacology-Multidisciplinary TrainingT32AA007456 · NIAAA · SCRIPPS RESEARCH INSTITUTE, THE · PI MARISA ROBERTO · 1985 to 2026
$13.4M
NEUROSCIENCE TRAINING GRANTT32HD041697 · NICHD · UNIVERSITY OF COLORADO DENVER · PI RESTREPO, DIEGO · 2001 to 2015
$2.4M
Neuroscience Training GrantT32NS099042 · NINDS · UNIVERSITY OF COLORADO DENVER · PI Nidia Calero, GIDON S FELSEN · 2016 to 2026
$2.1M
Molecular regulation of CeA glutamate and binge drinkingR01AA016650 · NIAAA · UNIVERSITY OF CALIFORNIA SANTA BARBARA · PI SZUMLINSKI, KAREN KATHLEEN · 2010 to 2014
$1.7M
Adolescent Alcohol and AnxietyR01AA024044 · NIAAA · UNIVERSITY OF CALIFORNIA SANTA BARBARA · PI SZUMLINSKI, KAREN KATHLEEN · 2016 to 2020
$1.7M
Homer-mediated signaling and cocaine addictionR01DA024038 · NIDA · UNIVERSITY OF CALIFORNIA SANTA BARBARA · PI SZUMLINSKI, KAREN KATHLEEN · 2008 to 2012
$1.5M
Proteomic Dissection of Withdrawal-Induced Excessive DrinkingU01AA016653 · NIAAA · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI WU, CHRISTINE C · 2006 to 2010
$1.5M
Quantitative Proteomic Analysis of Alcoholic Fatty Liver BiogenesisR01AA016171 · NIAAA · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI WU, CHRISTINE C · 2006 to 2010
$1.5M
Role of BK Channel Interactome in Excessive Ethanol DrinkingU01AA020913 · NIAAA · SCRIPPS RESEARCH INSTITUTE, THE · PI CONTET, CANDICE · 2011 to 2015
$1.3M
Role of central amygdala CRF neurons in ethanol withdrawalR21AA024198 · NIAAA · SCRIPPS RESEARCH INSTITUTE, THE · PI CONTET, CANDICE · 2015 to 2016
$501k
mGluR-Homer interactions in excessive drinkingU01AA016650 · NIAAA · UNIVERSITY OF CALIFORNIA SANTA BARBARA · PI SZUMLINSKI, KAREN KATHLEEN · 2006 to 2008
$475k
NCRR NIH HHS S10 RR027928NIAAA NIH HHS R01 AA016171NIAAA NIH HHS R01 AA016650NIAAA NIH HHS R01 AA024044NIAAA NIH HHS R21 AA024198NIAAA NIH HHS T32 AA007456NIAAA NIH HHS U01 AA016650NIAAA NIH HHS U01 AA016653NIAAA NIH HHS U01 AA020913NICHD NIH HHS T32 HD041697NIDA NIH HHS R01 DA024038NIGMS NIH HHS P41 GM103533NINDS NIH HHS T32 NS099042
6 · The paper itself

Abstract

In the brain, the Homer protein family modulates excitatory signal transduction and receptor plasticity through interactions with other proteins in dendritic spines. Homer proteins are implicated in a variety of psychiatric disorders such as schizophrenia and addiction. Since long Homers serve as scaffolding proteins, identifying their interacting partners is an important first step in understanding their biological function and could help to guide the design of new therapeutic strategies. The present study set out to document Homer2-interacting proteins in the mouse brain using a co-immunoprecipitation-based mass spectrometry approach where Homer2 knockout samples were used to filter out non-specific interactors. We found that in the mouse brain, Homer2 interacts with a limited subset of its previously reported interacting partners (3 out of 31). Importantly, we detected an additional 15 novel Homer2-interacting proteins, most of which are part of the N-methyl-D-aspartate receptor signaling pathway. These results corroborate the central role Homer2 plays in glutamatergic transmission and expand the network of proteins potentially contributing to the behavioral abnormalities associated with altered Homer2 expression. SIGNIFICANCE: Long Homer proteins are scaffolding proteins that regulate signal transduction in neurons. Identifying their interacting partners is key to understanding their function. We used co-immunoprecipitation in combination with mass spectrometry to establish the first comprehensive list of Homer2-interacting partners in the mouse brain. The specificity of interactions was evaluated using Homer2 knockout brain tissue as a negative control. The set of proteins that we identified minimally overlaps with previously reported interacting partners of Homer2; however, we identified novel interactors that are part of a signaling cascade activated by glutamatergic transmission, which improves our mechanistic understanding of the role of Homer2 in behavior.

Indexed as

AnimalsBrainHomer Scaffolding ProteinsImmunoprecipitationMass SpectrometryMiceProtein BindingProteomicsReceptors, N-Methyl-D-AspartateHomer Scaffolding ProteinsReceptors, N-Methyl-D-Aspartateco-immunoprecipitationHomer2mass spectrometryMS1 full-scan filteringNMDARSkyline

Identifiers

PMID28728878
PMCPMC5722633
OpenAlexW2734650243

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.