Evidence map›Paper›PMID 26446845›Full record

ArticleMolecular biology of the cell2015

GGA3 mediates TrkA endocytic recycling to promote sustained Akt phosphorylation and cell survival.

Xuezhi Li, Pierre Lavigne, Christine Lavoie

Abstract read
In one paragraph

Article in Molecular biology of the cell, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed
1.1field-weighted citation impact, top 24% 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

13 citing papers in PubMed, 23 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

3 authors at 1 institution in 1 country.

Xuezhi LiDepartment of Pharmacology and Physiology, Institut de Pharmacologie de Sherbrooke, Université de Sherbrooke, Sherbrooke, QC J1H 5N4, Canada.
Pierre LavigneDepartment of Biochemistry, Faculty of Medicine and Health Sciences, Université de Sherbrooke, Sherbrooke, QC J1H 5N4, Canada.
Christine LavoieDepartment of Pharmacology and Physiology, Institut de Pharmacologie de Sherbrooke, Université de Sherbrooke, Sherbrooke, QC J1H 5N4, Canada Christine.L.Lavoie@USherbrooke.ca.
Université de Sherbrooke · CA

Funding

Canadian Institutes of Health Research
6 · The paper itself

Abstract

Although TrkA postendocytic sorting significantly influences neuronal cell survival and differentiation, the molecular mechanism underlying TrkA receptor sorting in the recycling or degradation pathways remains poorly understood. Here we demonstrate that Golgi-localized, γ adaptin-ear-containing ADP ribosylation factor-binding protein 3 (GGA3) interacts directly with the TrkA cytoplasmic tail through an internal DXXLL motif and mediates the functional recycling of TrkA to the plasma membrane. We find that GGA3 depletion by siRNA delays TrkA recycling, accelerates TrkA degradation, attenuates sustained NGF-induced Akt activation, and reduces cell survival. We also show that GGA3's effect on TrkA recycling is dependent on the activation of Arf6. This work identifies GGA3 as a key player in a novel DXXLL-mediated endosomal sorting machinery that targets TrkA to the plasma membrane, where it prolongs the activation of Akt signaling and survival responses.

Indexed as

Adaptor Proteins, Vesicular TransportADP-Ribosylation Factor 6ADP-Ribosylation FactorsAmino Acid SequenceAnimalsBiological TransportCell MembraneCell MovementCell SurvivalEndosomesGolgi ApparatusHEK293 CellsHumansOncogene Protein v-aktPC12 CellsPhosphorylationAdaptor Proteins, Vesicular TransportADP-Ribosylation Factor 6ADP-Ribosylation FactorsARF6 protein, humanArf6 protein, ratGGA adaptor proteinsOncogene Protein v-aktReceptor, trkA

Identifiers

PMID26446845
PMCPMC4666136
OpenAlexW2270893378

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.