Evidence map›Paper›PMID 18598672›Full record

ArticleBiochemical and biophysical research communications2008

p62 serves as a shuttling factor for TrkA interaction with the proteasome.

Thangiah Geetha, M Lamar Seibenhener, Li Chen, Kiran Madura, Marie W Wooten

Open access · greenAbstract read
In one paragraph

Article in Biochemical and biophysical research communications, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.

0numbers the graph read from it
0cells of the map it votes in
29citing papers in PubMed
2.5field-weighted citation impact, top 11% 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

29 citing papers in PubMed, 53 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

5 authors at 2 institutions in 1 country.

Thangiah GeethaDepartment of Biological Sciences, Program in Cellular and Molecular Biosciences, Auburn University, Auburn, AL 36849, USA.
M Lamar Seibenhener
Li Chen
Kiran Madura
Marie W Wooten
Auburn University · USJohnson University · US

Funding

FUNCTIONAL ANALYSIS OF RAD23 PROTEINR01CA083875 · NCI · UNIV OF MED/DENT NJ-R W JOHNSON MED SCH · PI MADURA, KIRAN · 2000 to 2016
$4.4M
NERVE GROWTH FACTOR SIGNALLINGR01NS033661 · NINDS · AUBURN UNIVERSITY AT AUBURN · PI WOOTEN, MICHAEL C · 1995 to 2013
$2.7M
NCI NIH HHS CA83875NCI NIH HHS R01 CA083875NINDS NIH HHS NS33661NINDS NIH HHS R01 NS033661
6 · The paper itself

Abstract

The scaffold protein p62 is involved in internalization and trafficking of TrkA. The receptor is deubiquitinated by the proteasomes prior to degradation by lysosomes. Here we demonstrate that p62 serves as a shuttling protein for interaction of ubiquitinated TrkA with Rpt1, one of the six ATPases of 19S regulatory particle of the 26S proteasome. In p62(-/-) mouse brain TrkA failed to interact with the Rpt1. The interaction of TrkA with Rpt1 was reduced in proteasomes isolated from p62(-/-) brain, but was restored by addition of p62. The UBA domain of p62 interacts with TrkA and its PB1/UbL domain with AAA-ATPase cassette in the C-terminal region of Rpt1. Last, neurotrophin-dependent turnover of TrkA was impaired by reduction in the level of p62. These findings reveal that p62 serves as a shuttling factor for interaction of ubiquitinated substrates with the proteasome and could promote localized protein turnover in neurons.

Indexed as

Adaptor Proteins, Signal TransducingAnimalsBrainHeat-Shock ProteinsHumansIntracellular Signaling Peptides and ProteinsMiceMice, KnockoutNeuronsProteasome Endopeptidase ComplexProtein Structure, TertiaryReceptor, trkASequestosome-1 ProteinUbiquitinationAdaptor Proteins, Signal TransducingHeat-Shock ProteinsIntracellular Signaling Peptides and ProteinsProteasome Endopeptidase ComplexReceptor, trkASequestosome-1 ProteinSqstm1 protein, mouseTRIM30 alpha protein, mouse

Identifiers

PMID18598672
PMCPMC2561188
OpenAlexW2084129838

What OpenQuestion holds

Textmetadata
LicenceTDM
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.