Evidence map›Paper›PMID 33326751›Full record

ArticleCell systems2021

Pulse-Chase Proteomics of the App Knockin Mouse Models of Alzheimer's Disease Reveals that Synaptic Dysfunction Originates in Presynaptic Terminals.

Timothy J Hark, Nalini R Rao, Charlotte Castillon, Tamara Basta, Samuel Smukowski, Huan Bao, Arun Upadhyay, Ewa Bomba-Warczak, Toshihiro Nomura, Eileen T O'Toole and 10 more

Open access · bronzeAbstract read
In one paragraph

Article in Cell systems, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 43 papers.

0numbers the graph read from it
0cells of the map it votes in
43citing papers in PubMed
4.1field-weighted citation impact, top 5% 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

43 citing papers in PubMed, 63 citations in OpenAlex.

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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

20 authors at 8 institutions in 2 countries.

Timothy J HarkDepartment of Neurology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA.
Nalini R RaoDepartment of Neurology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA.
Charlotte CastillonDepartment of Physiology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA.
Tamara BastaDepartment of Molecular, Cellular and Developmental Biology, University of Colorado at Boulder, Boulder, CO 80309, USA.
Samuel SmukowskiDepartment of Neurology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA.
Huan BaoDepartment of Neuroscience and Howard Hughes Medical Institute, University of Wisconsin, Madison, WI 53706, USA; Department of Molecular Medicine, The Scripps Research Institute, Jupiter, FL 33458, USA.
Arun UpadhyayDepartment of Neurology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA.
Ewa Bomba-WarczakDepartment of Neurology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA.
Toshihiro NomuraDepartment of Physiology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA.
Eileen T O'TooleDepartment of Molecular, Cellular and Developmental Biology, University of Colorado at Boulder, Boulder, CO 80309, USA.
Garry P MorganDepartment of Molecular, Cellular and Developmental Biology, University of Colorado at Boulder, Boulder, CO 80309, USA.
Laith AliDepartment of Neurology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA.
Takashi SaitoLaboratory of Proteolytic Neuroscience, RIKEN Center for Brain Science, Wako, Saitama 351-0198, Japan; Department of Neurocognitive Science, Institute of Brain Science, Nagoya City University Graduate School of Medical Science, Nagoya, Aichi 467-8601, Japan.
Christelle GuillermierCenter for NanoImaging, Brigham and Women's Hospital and Harvard Medical School, Cambridge, MA 02138, USA.
Takaomi C SaidoLaboratory of Proteolytic Neuroscience, RIKEN Center for Brain Science, Wako, Saitama 351-0198, Japan.
Matthew L SteinhauserCenter for NanoImaging, Brigham and Women's Hospital and Harvard Medical School, Cambridge, MA 02138, USA; Department of Medicine, Divisions of Genetics and Cardiovascular Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA.
Michael H B StowellDepartment of Molecular, Cellular and Developmental Biology, University of Colorado at Boulder, Boulder, CO 80309, USA; Department of Mechanical Engineering, University of Colorado at Boulder, Boulder, CO 80309, USA.
Edwin R ChapmanDepartment of Neuroscience and Howard Hughes Medical Institute, University of Wisconsin, Madison, WI 53706, USA.
Anis ContractorDepartment of Physiology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA; Department of Neurobiology, Weinberg College of Arts and Sciences, Northwestern University, Chicago, IL 60611, USA.
Jeffrey N SavasDepartment of Neurology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA. Electronic address: jeffrey.savas@northwestern.edu.
Northwestern University · USUniversity of Colorado Boulder · USBrigham and Women's Hospital · USHarvard University · USNagoya City University · JPRIKEN Center for Brain Science · JPScripps Research Institute · USUniversity of Wisconsin–Madison · US

Funding

Tumor Environment and Metastasis (TEAM) Research ProgramP30CA060553 · NCI · NORTHWESTERN UNIVERSITY AT CHICAGO · PI Daniela E Matei · 1993 to 2026
$153.9M
PREDOCTORAL AND POSTDOCTORAL TRAINING PROGRAM IN AGING AND DEMENTIAT32AG020506 · NIA · NORTHWESTERN UNIVERSITY AT CHICAGO · PI ROBERT J VASSAR, SANDRA WEINTRAUB · 2002 to 2026
$9.9M
Synaptotagmin C2B Domain as a Ca2+ Sensing ModuleR01MH061876 · NIMH · UNIVERSITY OF WISCONSIN-MADISON · PI Edwin R Chapman · 2002 to 2026
$7.7M
The role of glutamate receptors in compulsive and perseverative behaviorR01MH099114 · NIMH · NORTHWESTERN UNIVERSITY AT CHICAGO · PI CONTRACTOR, ANIS · 2012 to 2022
$4.5M
Structural characterization of A-beta strain variation in AD mouse modelsR01AG061865 · NIA · UNIVERSITY OF SOUTHERN CALIFORNIA · PI LANGEN, RALF, SIEMER, ANSGAR B · 2018 to 2022
$4.2M
Identifying exosome-mediated cargo transport machinery in Alzheimer's diseaseRF1AG061829 · NIA · UNIVERSITY OF COLORADO · PI SHEN, JINGSHI, STOWELL, MICHAEL H. B. · 2018 to 2018
$2.7M
The role of activity induced exosome signaling in synaptic pathology of Alzheimer's DiseaseR01AG061787 · NIA · NORTHWESTERN UNIVERSITY AT CHICAGO · PI SAVAS, JEFFREY NICHOLAS · 2018 to 2022
$2.3M
Defining The Impaired Proteostasis Network in ALS Patient Motor NeuronsR21NS107761 · NINDS · NORTHWESTERN UNIVERSITY AT CHICAGO · PI KISKINIS, EVANGELOS, SAVAS, JEFFREY NICHOLAS · 2018 to 2019
$435k
Determining and Characterizing Substrates of Protein Degradation Impairments in Models of Alzheimer's DiseaseF31AG059364 · NIA · NORTHWESTERN UNIVERSITY AT CHICAGO · PI HARK, TIMOTHY JOHN · 2018 to 2020
$90k
Howard Hughes Medical InstituteNCI NIH HHS P30 CA060553NIA NIH HHS F31 AG059364NIA NIH HHS R01 AG061787NIA NIH HHS R01 AG061865NIA NIH HHS RF1 AG061829NIA NIH HHS T32 AG020506NIMH NIH HHS R01 MH061876NIMH NIH HHS R01 MH099114NINDS NIH HHS R21 NS107761
6 · The paper itself

Abstract

Compromised protein homeostasis underlies accumulation of plaques and tangles in Alzheimer's disease (AD). To observe protein turnover at early stages of amyloid beta (Aβ) proteotoxicity, we performed pulse-chase proteomics on mouse brains in three genetic models of AD that knock in alleles of amyloid precursor protein (APP) prior to the accumulation of plaques and during disease progression. At initial stages of Aβ accumulation, the turnover of proteins associated with presynaptic terminals is selectively impaired. Presynaptic proteins with impaired turnover, particularly synaptic vesicle (SV)-associated proteins, have elevated levels, misfold in both a plaque-dependent and -independent manner, and interact with APP and Aβ. Concurrent with elevated levels of SV-associated proteins, we found an enlargement of the SV pool as well as enhancement of presynaptic potentiation. Together, our findings reveal that the presynaptic terminal is particularly vulnerable and represents a critical site for manifestation of initial AD etiology. A record of this paper's transparent peer review process is included in the Supplemental Information.

Indexed as

Alzheimer DiseaseAnimalsDisease Models, AnimalMiceMice, TransgenicPresynaptic TerminalsProteomicsAlzheimer's diseaseamyloid betaAPP knockin micemass spectrometrypresynapseproteomicsproteostasissynaptic dysfunctionsynaptic vesicles

Identifiers

PMID33326751
PMCPMC7897324
OpenAlexW3111250940

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Registered trials

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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.