Evidence map›Paper›PMID 9334339›Full record

ArticleThe Journal of cell biology1997

Phosphatidylinositol 3-kinase is required for the formation of constitutive transport vesicles from the TGN.

S M Jones, K E Howell

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of cell biology, 1997. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed
5.1field-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

16 citing papers in PubMed, 82 citations in OpenAlex.

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  5. Signal transduction therapeutics: relevance for Alzheimer's disease.Journal of molecular neuroscience : MN · 2004
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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

2 authors at 1 institution in 1 country.

S M JonesDepartment of Cellular and Structural Biology, University of Colorado School of Medicine, Denver, Colorado 80262, USA.
K E Howell
University of Colorado Denver · US

Funding

University of Colorado Cancer Center Support Grant - Lung Cancer Patient-Derived Xenografts with Autologous Human Immune SystemsP30CA046934 · NCI · UNIVERSITY OF COLORADO DENVER · PI James V Degregori · 1988 to 2026
$117.0M
TARGETING OF VESICLES FROM THE TRANS GOLGI NETWORKR01GM042629 · NIGMS · UNIVERSITY OF COLORADO DENVER · PI HOWELL, KATHRYN ELIZABETH · 1990 to 2002
$838k
SHORT CHAIN ACYLCARNITINE-ACYL COA INTERACTION IN LIVERP30DK034914 · NIDDK · UNIVERSITY OF COLORADO DENVER · PI EVERSON, GREGORY T · 1986 to 1996
–
NCI NIH HHS P30 CA046934NCI NIH HHS P30 CA-46934NIDDK NIH HHS P30 DK34914NIGMS NIH HHS GM 42629NIGMS NIH HHS R01 GM042629
6 · The paper itself

Abstract

An 85-kD cytosolic complex (p62(cplx)), consisting of a 62-kD phosphoprotein (p62) and a 25-kD GTPase, has been shown to be essential for the cell-free reconstitution of polymeric IgA receptor (pIgA-R)-containing exocytic transport vesicle formation from the TGN (Jones, S.M., J.R. Crosby, J. Salamero, and K.E. Howell. 1993. J. Cell Biol. 122:775-788). Here the p62(cplx) is identified as a regulatory subunit of a novel phosphatidylinositol 3-kinase (PI3-kinase). This p62(cplx)-associated PI3-kinase activity is stimulated by activation of the p62(cplx)-associated GTPase, and is specific for phosphatidylinositol (PI) as substrate, and is sensitive to wortmannin at micromolar concentrations. The direct role of this p62(cplx)-associated PI3-kinase activity in TGN-derived vesicle formation is indicated by the finding that both lipid kinase activity and the formation of pIgA-R-containing exocytic vesicles from the TGN are inhibited by wortmannin with similar dose-response curves and 50% inhibitory concentrations (3.5 microM). These findings indicate that phosphatidylinositol-3-phosphate (PI[3]P) is required for the formation of TGN-derived exocytic transport vesicles, and that the p62(cplx)-associated PI3-kinase and an activated GTPase are the essential molecules that drive production of this PI(3)P.

Indexed as

Amino Acid SequenceAndrostadienesAnimalsCattleCytoplasmic GranulesCytosolEnzyme InhibitorsExocytosisGolgi ApparatusGTP PhosphohydrolasesHumansImmunoglobulin AKineticsLiverMacromolecular SubstancesMiceAndrostadienesEnzyme InhibitorsGTP PhosphohydrolasesIgA receptorImmunoglobulin AMacromolecular SubstancesPhosphatidylinositol 3-KinasesPhosphoproteinsReceptors, FcWortmannin

Identifiers

PMID9334339
PMCPMC2139785
OpenAlexW2021648100

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.