Evidence map›Paper›PMID 32332778›Full record

ArticleScientific reports2020

Simultaneous Inhibition of Glycolysis and Oxidative Phosphorylation Triggers a Multi-Fold Increase in Secretion of Exosomes: Possible Role of 2'3'-cAMP.

Nils Ludwig, Saigopalakrishna S Yerneni, Elizabeth V Menshikova, Delbert G Gillespie, Edwin K Jackson, Theresa L Whiteside

Erratum issuedOpen access · goldAbstract read
In one paragraph

Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 40 papers.

0numbers the graph read from it
0cells of the map it votes in
40citing papers in PubMed
2.8field-weighted citation impact, top 8% 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

40 citing papers in PubMed, 55 citations in OpenAlex.

  1. A Nanoparticle-Integrated Complete Manufacturing Pipeline of Chemically Engineered Exosomes.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026
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  20. Boosting extracellular vesicle secretion.Biotechnology advances · 2022
    Review
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

6 authors at 3 institutions in 1 country.

Nils LudwigDepartment of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15213, USA.
Saigopalakrishna S YerneniDepartment of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, PA, USA.
Elizabeth V MenshikovaDepartment of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
Delbert G GillespieDepartment of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
Edwin K JacksonDepartment of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
Theresa L WhitesideDepartment of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15213, USA. whitesidetl@upmc.edu.
University of Pittsburgh · USCarnegie Mellon University · USUPMC Hillman Cancer Center · US

Funding

Single Nephron and MetabolomicsP30DK079307 · NIDDK · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI KLEYMAN, THOMAS R · 2008 to 2022
$13.4M
Role of Renal Dipeptidyl Peptidase IVR01HL069846 · NHLBI · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI JACKSON, EDWIN KERRY · 2003 to 2020
$6.6M
The Guanosine-Adenosine MechanismR01HL109002 · NHLBI · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI JACKSON, EDWIN KERRY · 2012 to 2023
$5.1M
The Renal 2',3'-cAMP-Adenosine PathwayR01DK068575 · NIDDK · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI JACKSON, EDWIN KERRY · 2005 to 2016
$4.0M
Adenosine in Renal Sympathetic NeurotransmissionR01DK091190 · NIDDK · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI JACKSON, EDWIN KERRY · 2011 to 2020
$3.4M
NHLBI NIH HHS R01 HL069846NHLBI NIH HHS R01 HL109002NIDDK NIH HHS P30 DK079307NIDDK NIH HHS R01 DK068575NIDDK NIH HHS R01 DK091190
6 · The paper itself

Abstract

Exosome secretion by cells is a complex, poorly understood process. Studies of exosomes would be facilitated by a method for increasing their production and release. Here, we present a method for stimulating the secretion of exosomes. Cultured cells were treated or not with sodium iodoacetate (IAA; glycolysis inhibitor) plus 2,4-dinitrophenol (DNP; oxidative phosphorylation inhibitor). Exosomes were isolated by size-exclusion chromatography and their morphology, size, concentration, cargo components and functional activity were compared. IAA/DNP treatment (up to 10 µM each) was non-toxic and resulted in a 3 to 16-fold increase in exosome secretion. Exosomes from IAA/DNP-treated or untreated cells had similar biological properties and functional effects on endothelial cells (SVEC4-10). IAA/DNP increased exosome secretion from mouse organ cultures, and in vivo injections enhanced the levels of circulating exosomes. IAA/DNP decreased ATP levels (p < 0.05) in cells. A cell membrane-permeable form of 2',3'-cAMP and 3'-AMP mimicked the potentiating effects of IAA/DNP on exosome secretion. In cells lacking 2',3'-cyclic nucleotide 3'-phosphodiesterase (CNPase; an enzyme that metabolizes 2',3'-cAMP into 2'- and 3'-AMP), effects of IAA/DNP on exosome secretion were enhanced. The IAA/DNP combination is a powerful stimulator of exosome secretion, and these stimulatory effects are, in part, mediated by intracellular 2',3'-cAMP.

Indexed as

2',3'-Cyclic-Nucleotide Phosphodiesterases2,4-DinitrophenolAnimalsAnimals, Genetically ModifiedBiomarkers, TumorBlotting, WesternCell Line, TumorCyclic AMPExosomesFemaleGlycolysisHumansIodoacetic AcidMiceMice, Inbred C57BLMicroscopy, Electron, Transmission2',3'-Cyclic-Nucleotide Phosphodiesterases2,4-DinitrophenolBiomarkers, TumorCyclic AMPIodoacetic Acid

Identifiers

PMID32332778
PMCPMC7181876
OpenAlexW3018695350

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.