Evidence map›Paper›PMID 20719960›Full record

ArticleMolecular biology of the cell2010

Integrin-mediated cell attachment induces a PAK4-dependent feedback loop regulating cell adhesion through modified integrin alpha v beta 5 clustering and turnover.

Zhilun Li, John G Lock, Helene Olofsson, Jacob M Kowalewski, Steffen Teller, Yajuan Liu, Hongquan Zhang, Staffan Strömblad

Open access · greenAbstract read
In one paragraph

Article in Molecular biology of the cell, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed
2.1field-weighted citation impact, top 13% 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

28 citing papers in PubMed, 43 citations in OpenAlex.

  1. Article
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  8. Article
  9. Clathrin-containing adhesion complexes.The Journal of cell biology · 2019
    Review
  10. Article
  11. Article
  12. Article
  13. Article
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  18. Phosphorylation of tyrosine 285 of PAK1 facilitates βPIX/GIT1 binding and adhesion turnover.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2015
    Article
  19. Article
  20. Review
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

8 authors at 4 institutions in 3 countries.

Zhilun LiCenter for Biosciences, Department of Biosciences and Nutrition, Karolinska Institutet, 141 83 Huddinge, Sweden.
John G Lock
Helene Olofsson
Jacob M Kowalewski
Steffen Teller
Yajuan Liu
Hongquan Zhang
Staffan Strömblad
Research Institute for Bioscience and Biotechnology · NPBreast Center · CHKarolinska Institutet · SESwedish Institute · SE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Cell-to-extracellular matrix adhesion is regulated by a multitude of pathways initiated distally to the core cell-matrix adhesion machinery, such as via growth factor signaling. In contrast to these extrinsically sourced pathways, we now identify a regulatory pathway that is intrinsic to the core adhesion machinery, providing an internal regulatory feedback loop to fine tune adhesion levels. This autoinhibitory negative feedback loop is initiated by cell adhesion to vitronectin, leading to PAK4 activation, which in turn limits total cell-vitronectin adhesion strength. Specifically, we show that PAK4 is activated by cell attachment to vitronectin as mediated by PAK4 binding partner integrin αvβ5, and that active PAK4 induces accelerated integrin αvβ5 turnover within adhesion complexes. Accelerated integrin turnover is associated with additional PAK4-mediated effects, including inhibited integrin αvβ5 clustering, reduced integrin to F-actin connectivity and perturbed adhesion complex maturation. These specific outcomes are ultimately associated with reduced cell adhesion strength and increased cell motility. We thus demonstrate a novel mechanism deployed by cells to tune cell adhesion levels through the autoinhibitory regulation of integrin adhesion.

Indexed as

Feedback, PhysiologicalActinsAnimalsCell AdhesionCell Line, TumorCell MovementChlorocebus aethiopsCOS CellsEnzyme ActivationExtracellular MatrixGene Knockdown TechniquesHumansp21-Activated KinasesReceptors, VitronectinVitronectinActinsintegrin alphaVbeta5p21-Activated KinasesPAK4 protein, humanReceptors, VitronectinVitronectin

Identifiers

PMID20719960
PMCPMC2947468
OpenAlexW2151703807

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-SA
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.