Evidence map›Paper›PMID 33952699›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2021

Tau forms oligomeric complexes on microtubules that are distinct from tau aggregates.

Melina Theoni Gyparaki, Arian Arab, Elena M Sorokina, Adriana N Santiago-Ruiz, Christopher H Bohrer, Jie Xiao, Melike Lakadamyali

Open access · bronzeAbstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 58 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
58citing papers in PubMed, 1 pooled it
10.9field-weighted citation impact, top 1% 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

58 citing papers in PubMed, 1 synthesis or guideline pooled it, 89 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

7 authors at 2 institutions in 1 country.

Melina Theoni GyparakiDepartment of Biology, School of Arts and Sciences, University of Pennsylvania, Philadelphia, PA 19104.ORCID 0000-0002-9424-4908
Arian ArabDepartment of Physiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104.
Elena M SorokinaDepartment of Physiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104.ORCID 0000-0003-2079-869X
Adriana N Santiago-RuizDepartment of Biochemistry and Molecular Biophysics, University of Pennsylvania, Philadelphia, PA 19104.
Christopher H BohrerDepartment of Biophysics and Biophysical Chemistry, Johns Hopkins School of Medicine, Baltimore, MD 21205.
Jie XiaoDepartment of Biophysics and Biophysical Chemistry, Johns Hopkins School of Medicine, Baltimore, MD 21205.
Melike LakadamyaliDepartment of Physiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104; melikel@pennmedicine.upenn.edu.
University of Pennsylvania · USJohns Hopkins University · US

Funding

UPenn ADCC Biomarker CoreP30AG010124 · NIA · UNIVERSITY OF PENNSYLVANIA · PI DETRE, JOHN A · 1991 to 2020
$35.1M
CELLULAR AND MOLECULAR BIOLOGYT32GM007231 · NIGMS · JOHNS HOPKINS UNIVERSITY · PI VAN DOREN, MARK B · 1985 to 2020
$18.4M
Probing the structure, dynamics and function of the E. coli divisomeR01GM086447 · NIGMS · JOHNS HOPKINS UNIVERSITY · PI XIAO, JIE · 2011 to 2019
$3.8M
Calibration nanotemplates as universal standards for determining protein copy number in super-resolution microscopyR01GM133842 · NIGMS · UNIVERSITY OF PENNSYLVANIA · PI LAKADAMYALI, MELIKE · 2019 to 2022
$1.7M
NIA NIH HHS P30 AG010124NIGMS NIH HHS R01 GM086447NIGMS NIH HHS R01 GM133842NIGMS NIH HHS T32 GM007231
6 · The paper itself

Abstract

Tau is a microtubule-associated protein, which promotes neuronal microtubule assembly and stability. Accumulation of tau into insoluble aggregates known as neurofibrillary tangles (NFTs) is a pathological hallmark of several neurodegenerative diseases. The current hypothesis is that small, soluble oligomeric tau species preceding NFT formation cause toxicity. However, thus far, visualizing the spatial distribution of tau monomers and oligomers inside cells under physiological or pathological conditions has not been possible. Here, using single-molecule localization microscopy, we show that tau forms small oligomers on microtubules ex vivo. These oligomers are distinct from those found in cells exhibiting tau aggregation and could be precursors of aggregated tau in pathology. Furthermore, using an unsupervised shape classification algorithm that we developed, we show that different tau phosphorylation states are associated with distinct tau aggregate species. Our work elucidates tau's nanoscale composition under nonaggregated and aggregated conditions ex vivo.

Indexed as

HumansMicrotubulesNeurofibrillary TanglesNeuronsPhosphorylationSingle Molecule Imagingtau Proteinstau Proteinsprotein aggregationsuper-resolution microscopytau

Identifiers

PMID33952699
PMCPMC8126857
OpenAlexW3158788256

What OpenQuestion holds

Textmetadata
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.