Evidence map›Paper›PMID 26120766›Full record

ArticleAntioxidants & redox signaling2015

Disturbed Flow Induces Autophagy, but Impairs Autophagic Flux to Perturb Mitochondrial Homeostasis.

Rongsong Li, Nelson Jen, Lan Wu, Juhyun Lee, Karen Fang, Katherine Quigley, Katherine Lee, Sky Wang, Bill Zhou, Laurent Vergnes and 5 more

Abstract read
In one paragraph

Article in Antioxidants & redox signaling, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed, 1 pooled it
3.5field-weighted citation impact, top 7% 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

22 citing papers in PubMed, 1 synthesis or guideline pooled it, 43 citations in OpenAlex.

  1. Pooled it
  2. Review
  3. Article
  4. Article
  5. Review
  6. Modulation of the mitochondrial CaPhysiological reports · 2023
    Article
  7. Review
  8. Article
  9. Vascular autophagy in health and disease.Basic research in cardiology · 2020
    Review
  10. Article
  11. Article
  12. Review
  13. Article
  14. Article
  15. Article
  16. Review
  17. Mitochondrial CaJournal of the Royal Society, Interface · 2017
    Review
  18. Autophagy is required for endothelial cell alignment and atheroprotection under physiological blood flow.Proceedings of the National Academy of Sciences of the United States of America · 2017
    Article
  19. Review
  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

15 authors at 3 institutions in 1 country.

Rongsong Li1 Division of Cardiology, Department of Medicine, UCLA David Geffen School of Medicine , Los Angeles, California.
Nelson Jen2 Department of Bioengineering, UCLA Henry Samueli School of Engineering and Applied Science , Los Angeles, California.
Lan Wu1 Division of Cardiology, Department of Medicine, UCLA David Geffen School of Medicine , Los Angeles, California.
Juhyun Lee2 Department of Bioengineering, UCLA Henry Samueli School of Engineering and Applied Science , Los Angeles, California.
Karen Fang1 Division of Cardiology, Department of Medicine, UCLA David Geffen School of Medicine , Los Angeles, California.
Katherine Quigley1 Division of Cardiology, Department of Medicine, UCLA David Geffen School of Medicine , Los Angeles, California.
Katherine Lee1 Division of Cardiology, Department of Medicine, UCLA David Geffen School of Medicine , Los Angeles, California.
Sky Wang1 Division of Cardiology, Department of Medicine, UCLA David Geffen School of Medicine , Los Angeles, California.
Bill Zhou1 Division of Cardiology, Department of Medicine, UCLA David Geffen School of Medicine , Los Angeles, California.
Laurent Vergnes3 Department of Human Genetics, UCLA David Geffen School of Medicine , Los Angeles, California.
Yun-Ru Chen4 Department of Molecular Pharmacology, Beckman Research Institute, City of Hope National Medical Center , Duarte, California.
Zhaoping Li5 Department of Medicine, VA Greater Los Angeles Healthcare System, UCLA David Geffen School of Medicine , Los Angeles, California.
Karen Reue3 Department of Human Genetics, UCLA David Geffen School of Medicine , Los Angeles, California.
David K Ann4 Department of Molecular Pharmacology, Beckman Research Institute, City of Hope National Medical Center , Duarte, California.
Tzung K Hsiai1 Division of Cardiology, Department of Medicine, UCLA David Geffen School of Medicine , Los Angeles, California.
University of California, Los Angeles · USCity Of Hope National Medical Center · USOlive View-UCLA Medical Center · US

Funding

The Lipin Protein Family and Triglyceride Metabolism P01HL090553 · NHLBI · UNIVERSITY OF CALIFORNIA LOS ANGELES · PI YOUNG, STEPHEN G. · 2008 to 2018
$23.3M
NHLBI NIH HHS HL083015NHLBI NIH HHS HL111437NHLBI NIH HHS HL118650NHLBI NIH HHS P01 HL090553NIDCR NIH HHS DE010742NIDCR NIH HHS DE014183
6 · The paper itself

Abstract

aimTemporal and spatial variations in shear stress are intimately linked with vascular metabolic effects. Autophagy is tightly regulated in intracellular bulk degradation/recycling system for maintaining cellular homeostasis. We postulated that disturbed flow modulates autophagy with an implication in mitochondrial superoxide (mtO2(•-)) production.

resultsIn the disturbed flow or oscillatory shear stress (OSS)-exposed aortic arch, we observed prominent staining of p62, a reverse marker of autophagic flux, whereas in the pulsatile shear stress (PSS)-exposed descending aorta, p62 was attenuated. OSS significantly increased (i) microtubule-associated protein light chain 3 (LC3) II to I ratios in human aortic endothelial cells, (ii) autophagosome formation as quantified by green fluorescent protein (GFP)-LC3 dots per cell, and (iii) p62 protein levels, whereas manganese superoxide dismutase (MnSOD) overexpression by recombinant adenovirus, N-acetyl cysteine treatment, or c-Jun N-terminal kinase (JNK) inhibition reduced OSS-mediated LC3-II/LC3-I ratios and mitochondrial DNA damage. Introducing bafilomycin to Earle's balanced salt solution or to OSS condition incrementally increased both LC3-II/LC3-I ratios and p62 levels, implicating impaired autophagic flux. In the OSS-exposed aortic arch, both anti-phospho-JNK and anti-8-hydroxy-2'-deoxyguanosine (8-OHdG) staining for DNA damage were prominent, whereas in the PSS-exposed descending aorta, the staining was nearly absent. Knockdown of ATG5 with siRNA increased OSS-mediated mtO2(•-), whereas starvation or rapamycin-induced autophagy reduced OSS-mediated mtO2(•-), mitochondrial respiration, and complex II activity. INNOVATION: Disturbed flow-mediated oxidative stress and JNK activation induce autophagy.

conclusionOSS impairs autophagic flux to interfere with mitochondrial homeostasis. Antioxid. Redox Signal. 23, 1207-1219.

Indexed as

AutophagyAdaptor Proteins, Signal TransducingAnimalsAorta, ThoracicBiomechanical PhenomenaDNA DamageDNA, MitochondrialHomeostasisMAP Kinase Signaling SystemMitochondriaOxidative StressOxygen ConsumptionPhagosomesRabbitsRegional Blood FlowAdaptor Proteins, Signal TransducingDNA, Mitochondrial

Identifiers

PMID26120766
PMCPMC4657520
OpenAlexW1572032866

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.