Evidence map›Paper›PMID 21505792›Full record

ArticleCellular and molecular life sciences : CMLS2011

Clusterin facilitates in vivo clearance of extracellular misfolded proteins.

Amy R Wyatt, Justin J Yerbury, Paula Berghofer, Ivan Greguric, Andrew Katsifis, Christopher M Dobson, Mark R Wilson

Open access · greenAbstract read
In one paragraph

Article in Cellular and molecular life sciences : CMLS, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 84 papers.

0numbers the graph read from it
0cells of the map it votes in
84citing papers in PubMed
4.4field-weighted citation impact, top 4% 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

84 citing papers in PubMed, 139 citations in OpenAlex.

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

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 3 institutions in 2 countries.

Amy R WyattSchool of Biological Sciences, University of Wollongong, Australia.
Justin J Yerbury
Paula Berghofer
Ivan Greguric
Andrew Katsifis
Christopher M Dobson
Mark R Wilson
Australian Nuclear Science and Technology Organisation · AUUniversity of Wollongong · AUUniversity of Cambridge · GB

Funding

Wellcome Trust
6 · The paper itself

Abstract

The extracellular deposition of misfolded proteins is a characteristic of many debilitating age-related disorders. However, little is known about the specific mechanisms that act to suppress this process in vivo. Clusterin (CLU) is an extracellular chaperone that forms stable and soluble complexes with misfolded client proteins. Here we explore the fate of complexes formed between CLU and misfolded proteins both in vitro and in a living organism. We show that proteins injected into rats are cleared more rapidly from circulation when complexed with CLU as a result of their more efficient localization to the liver and that this clearance is delayed by pre-injection with the scavenger receptor inhibitor fucoidan. The CLU-client complexes were found to bind preferentially, in a fucoidan-inhibitable manner, to human peripheral blood monocytes and isolated rat hepatocytes and in the latter cell type were internalized and targeted to lysosomes for degradation. The data suggest, therefore, that CLU plays a key role in an extracellular proteostasis system that recognizes, keeps soluble, and then rapidly mediates the disposal of misfolded proteins.

Indexed as

Protein FoldingAnimalsCitrate (si)-SynthaseClusterinEndocytosisExtracellular SpaceFibrinogenGlutathione TransferaseHepatocytesHumansLeukocytes, MononuclearLysosomesMolecular ChaperonesMolecular WeightPolysaccharidesRatsCitrate (si)-SynthaseClusterinFibrinogenfucoidanGlutathione TransferaseMolecular ChaperonesPolysaccharides

Identifiers

PMID21505792
PMCPMC11115182
OpenAlexW2077960804

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.