Evidence map›Paper›PMID 25767879›Full record

ArticlePloS one2015

Hyperphosphorylation of intrinsically disordered tau protein induces an amyloidogenic shift in its conformational ensemble.

Shaolong Zhu, Agnesa Shala, Alexandr Bezginov, Adnan Sljoka, Gerald Audette, Derek J Wilson

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 46 papers.

0numbers the graph read from it
0cells of the map it votes in
46citing papers in PubMed
4.3field-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

46 citing papers in PubMed, 87 citations in OpenAlex.

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  14. Probing Conformational Dynamics of Antibodies with Geometric Simulations.Methods in molecular biology (Clifton, N.J.) · 2023
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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

6 authors at 3 institutions in 1 country.

Shaolong ZhuChemistry Department, York University, Toronto, ON, Canada.
Agnesa ShalaChemistry Department, York University, Toronto, ON, Canada.
Alexandr BezginovDepartment of Medical Biophysics, University of Toronto, Toronto, Canada.
Adnan SljokaDepartment of Physics, Ryerson University, Toronto, ON, Canada.
Gerald AudetteChemistry Department, York University, Toronto, ON, Canada.
Derek J WilsonChemistry Department, York University, Toronto, ON, Canada; Center for Research in Mass Spectrometry, Faculty of Science, York University, Toronto, ON, Canada.
York University · CAToronto Metropolitan University · CAUniversity of Toronto · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Tau is an intrinsically disordered protein (IDP) whose primary physiological role is to stabilize microtubules in neuronal axons at all stages of development. In Alzheimer's and other tauopathies, tau forms intracellular insoluble amyloid aggregates known as neurofibrillary tangles, a process that appears in many cases to be preceded by hyperphosphorylation of tau monomers. Understanding the shift in conformational bias induced by hyperphosphorylation is key to elucidating the structural factors that drive tau pathology, however, as an IDP, tau is not amenable to conventional structural characterization. In this work, we employ a straightforward technique based on Time-Resolved ElectroSpray Ionization Mass Spectrometry (TRESI-MS) and Hydrogen/Deuterium Exchange (HDX) to provide a detailed picture of residual structure in tau, and the shifts in conformational bias induced by hyperphosphorylation. By comparing the native and hyperphosphorylated ensembles, we are able to define specific conformational biases that can easily be rationalized as enhancing amyloidogenic propensity. Representative structures for the native and hyperphosphorylated tau ensembles were generated by refinement of a broad sample of conformations generated by low-computational complexity modeling, based on agreement with the TRESI-HDX profiles.

Indexed as

Models, MolecularProtein ConformationDeuterium Exchange MeasurementGlycogen Synthase Kinase 3Glycogen Synthase Kinase 3 betaIntrinsically Disordered ProteinsKineticsMass SpectrometryMicroscopy, Electron, TransmissionPhosphorylationTauopathiestau ProteinsGlycogen Synthase Kinase 3Glycogen Synthase Kinase 3 betaIntrinsically Disordered Proteinstau Proteins

Identifiers

PMID25767879
PMCPMC4359001
OpenAlexW2062438273

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.