Evidence map›Paper›PMID 19684015›Full record

ArticleThe Journal of biological chemistry2009

Endosomal deubiquitinating enzymes control ubiquitination and down-regulation of protease-activated receptor 2.

Burcu Hasdemir, Jane E Murphy, Graeme S Cottrell, Nigel W Bunnett

Open access · hybridAbstract read
In one paragraph

Article in The Journal of biological chemistry, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 54 papers.

0numbers the graph read from it
0cells of the map it votes in
54citing papers in PubMed
4.4field-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

54 citing papers in PubMed, 79 citations in OpenAlex.

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  15. Article
  16. Regulation of G Protein-Coupled Receptors by Ubiquitination.International journal of molecular sciences · 2017
    Review
  17. Article
  18. PAR2-dependent activation of GSK3β regulates the survival of colon stem/progenitor cells.American journal of physiology. Gastrointestinal and liver physiology · 2016
    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

4 authors at 1 institution in 1 country.

Burcu HasdemirDepartment of Surgery and Physiology, University of California, San Francisco, California 94143-0660.
Jane E MurphyDepartment of Surgery and Physiology, University of California, San Francisco, California 94143-0660.
Graeme S CottrellDepartment of Surgery and Physiology, University of California, San Francisco, California 94143-0660.
Nigel W BunnettDepartment of Surgery and Physiology, University of California, San Francisco, California 94143-0660. Electronic address: nigel.bunnett@ucsf.edu.
University of California, San Francisco · US

Funding

REGULATION OF CELLULAR RESPONSES TO NEUROPEPTIDESR37DK039957 · NIDDK · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI BUNNETT, NIGEL W · 2000 to 2010
$3.2M
REGULATION OF SIGNALING BY CELL SURFACE PROTEOLYSISR01DK043207 · NIDDK · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI BUNNETT, NIGEL W · 1993 to 2011
$1.7M
REGULATION OF SIGNALING BY CELL-SURFACE PROTEOLYSISR56DK043207 · NIDDK · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI BUNNETT, NIGEL W · 2010 to 2010
$348k
REGULATION OF CELLULAR RESPONSES TO NEUROPEPTIDESR01DK039957 · NIDDK · UNIVERSITY OF CALIFORNIA SAN FRANCISCO · PI BUNNETT, NIGEL W · 1987 to 1998
–
NIDDK NIH HHS DK39957NIDDK NIH HHS DK43207NIDDK NIH HHS DK57480NIDDK NIH HHS R01 DK039957NIDDK NIH HHS R01 DK043207NIDDK NIH HHS R37 DK039957NIDDK NIH HHS R56 DK043207
6 · The paper itself

Abstract

The E3 ubiquitin ligase c-Cbl ubiquitinates the G protein-coupled receptor protease-activated receptor 2 (PAR(2)), which is required for postendocytic sorting of activated receptors to lysosomes, where degradation terminates signaling. The mechanisms of PAR(2) deubiquitination and its importance in trafficking and signaling of endocytosed PAR(2) are unknown. We report that receptor deubiquitination occurs between early endosomes and lysosomes and involves the endosomal deubiquitinating proteases AMSH and UBPY. Expression of the catalytically inactive mutants, AMSH(D348A) and UBPY(C786S), caused an increase in PAR(2) ubiquitination and trapped the receptor in early endosomes, thereby preventing lysosomal trafficking and degradation. Small interfering RNA knockdown of AMSH or UBPY also impaired deubiquitination, lysosomal trafficking, and degradation of PAR(2). Trapping PAR(2) in endosomes through expression of AMSH(D348A) or UBPY(C786S) did not prolong the association of PAR(2) with beta-arrestin2 or the duration of PAR(2)-induced ERK2 activation. Thus, AMSH and UBPY are essential for trafficking and down-regulation of PAR(2) but not for regulating PAR(2) dissociation from beta-arrestin2 or PAR(2)-mediated ERK2 activation.

Indexed as

Down-RegulationUbiquitinationAnimalsArrestinsbeta-ArrestinsCell LineEndocytosisEndopeptidasesEndosomal Sorting Complexes Required for TransportEndosomesEnzyme ActivationHumansLysosomesMitogen-Activated Protein Kinase 1Pancreatic ElastaseProtein TransportArrestinsbeta-ArrestinsEndopeptidasesEndosomal Sorting Complexes Required for TransportMitogen-Activated Protein Kinase 1Pancreatic ElastaseReceptor, PAR-2Recombinant Fusion ProteinsRNA, Small InterferingSTAMBP protein, humanTrypsinUbiquitin ThiolesteraseUSP8 protein, human

Identifiers

PMID19684015
PMCPMC2788894
OpenAlexW1994606172

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.