Evidence map›Paper›PMID 17485668›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2007

Nucleation of protein fibrillation by nanoparticles.

Sara Linse, Celia Cabaleiro-Lago, Wei-Feng Xue, Iseult Lynch, Stina Lindman, Eva Thulin, Sheena E Radford, Kenneth A Dawson

Abstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 221 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
221citing papers in PubMed, 1 pooled it
–field-weighted citation impact
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

221 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
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  18. Nanoparticle-assisted tubulin assembly is environment dependent.Proceedings of the National Academy of Sciences of the United States of America · 2024
    Article
  19. The role of shear forces in primary and secondary nucleation of amyloid fibrils.Proceedings of the National Academy of Sciences of the United States of America · 2024
    Article
  20. Article

161 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

8 authors.

Sara LinseSchool of Chemistry and Chemical Biology, and Conway Institute, University College Dublin, Belfield, Dublin 4, Ireland. sara.linse@bpc.lu.se
Celia Cabaleiro-Lago
Wei-Feng Xue
Iseult Lynch
Stina Lindman
Eva Thulin
Sheena E Radford
Kenneth A Dawson

Funding

Biotechnology and Biological Sciences Research Council SF16972Wellcome Trust
6 · The paper itself

Abstract

Nanoparticles present enormous surface areas and are found to enhance the rate of protein fibrillation by decreasing the lag time for nucleation. Protein fibrillation is involved in many human diseases, including Alzheimer's, Creutzfeld-Jacob disease, and dialysis-related amyloidosis. Fibril formation occurs by nucleation-dependent kinetics, wherein formation of a critical nucleus is the key rate-determining step, after which fibrillation proceeds rapidly. We show that nanoparticles (copolymer particles, cerium oxide particles, quantum dots, and carbon nanotubes) enhance the probability of appearance of a critical nucleus for nucleation of protein fibrils from human beta(2)-microglobulin. The observed shorter lag (nucleation) phase depends on the amount and nature of particle surface. There is an exchange of protein between solution and nanoparticle surface, and beta(2)-microglobulin forms multiple layers on the particle surface, providing a locally increased protein concentration promoting oligomer formation. This and the shortened lag phase suggest a mechanism involving surface-assisted nucleation that may increase the risk for toxic cluster and amyloid formation. It also opens the door to new routes for the controlled self-assembly of proteins and peptides into novel nanomaterials.

Indexed as

beta 2-MicroglobulinCalorimetryHumansKineticsModels, MolecularNanoparticlesProtein Structure, Tertiarybeta 2-Microglobulin

Identifiers

PMID17485668
PMCPMC1866183

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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.