Evidence map›Paper›PMID 32015327›Full record

ArticleCell death & disease2020

α-Linolenic acid but not linolenic acid protects against hypertension: critical role of SIRT3 and autophagic flux.

Guohua Li, Xinpei Wang, Hongyan Yang, Pengfei Zhang, Fangqin Wu, Yunchu Li, Yingjie Zhou, Xing Zhang, Heng Ma, Wei Zhang and 1 more

Open access · goldAbstract read
In one paragraph

Article in Cell death & disease, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed
4.1field-weighted citation impact, top 5% 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

24 citing papers in PubMed, 47 citations in OpenAlex.

  1. Review
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  5. The Impact of Flaxseed (Nutrients · 2025
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  8. Physicochemical properties of edible cricket oils: Implications for use in pharmaceutical and food industries.Future foods : a dedicated journal for sustainability in food science · 2024
    Article
  9. Article
  10. Improving linolenic acid content in rapeseed oil by overexpression ofMolecular breeding : new strategies in plant improvement · 2024
    Article
  11. Alpha-Linolenic Acid and Cardiovascular Events: A Narrative Review.International journal of molecular sciences · 2023
    Review
  12. Review
  13. Article
  14. Review
  15. Review
  16. Article
  17. Article
  18. Review
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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

11 authors at 2 institutions in 1 country.

Guohua Li *School of Aerospace Medicine, Fourth Military Medical University, Xi'an, 710032, China.
Xinpei Wang *School of Aerospace Medicine, Fourth Military Medical University, Xi'an, 710032, China.
Hongyan YangSchool of Aerospace Medicine, Fourth Military Medical University, Xi'an, 710032, China.
Pengfei ZhangSchool of Aerospace Medicine, Fourth Military Medical University, Xi'an, 710032, China.
Fangqin WuSchool of Aerospace Medicine, Fourth Military Medical University, Xi'an, 710032, China.
Yunchu LiSchool of Aerospace Medicine, Fourth Military Medical University, Xi'an, 710032, China.
Yingjie ZhouSchool of Aerospace Medicine, Fourth Military Medical University, Xi'an, 710032, China.
Xing ZhangSchool of Aerospace Medicine, Fourth Military Medical University, Xi'an, 710032, China.
Heng MaDepartment of Physiology and Pathophysiology, School of Basic Science, Fourth Military Medical University, Xi'an, 710032, China.
Wei ZhangDepartment of Cardiology, Tangdu Hospital, Fourth Military Medical University, Xi'an, 710032, China. yayazw1007@163.com.
Jia LiSchool of Aerospace Medicine, Fourth Military Medical University, Xi'an, 710032, China. jiali816@fmmu.edu.cn.ORCID http://orcid.org/0000-0001-9492-6346
Air Force Medical University · CNTang Du Hospital · CN

Funding

Social, Familial, Neighborhood Factors and Drinking in Puerto RicoR01AA020542 · NIAAA · UNIVERSITY OF TEXAS HLTH SCI CTR HOUSTON · PI CAETANO, RAUL, CANINO, GLORISA J · 2012 to 2015
$1.9M
NIAAA NIH HHS R01 AA020542
6 · The paper itself

Abstract

Although dietary α-linolenic acid (ALA) or linolenic acid (LA) intake was reported to be epidemiologically associated with a lower prevalence of hypertension, recent clinical trials have yielded conflicting results. Comparable experimental evidence for the roles of these two different fatty acids is still lacking and the underlying mechanisms need to be further elucidated. Our data showed that ALA but not LA supplementation alleviated systolic blood pressure elevation and improved ACh-induced, endothelium-dependent vasodilation in both spontaneously hypertensive rats (SHRs) and AngII-induced hypertensive mice. In addition, SHRs displayed reduced vascular Sirtuin 3 (SIRT3) expression, subsequent superoxide dismutase 2 (SOD2) hyperacetylation and mitochondrial ROS overproduction, all of which were ameliorated by ALA but not LA supplementation. In primary cultured endothelial cells, ALA treatment directly inhibited SIRT3 reduction, SOD2 hyperacetylation, mitochondrial ROS overproduction and alleviated autophagic flux impairment induced by AngII plus TNFα treatment. However, these beneficial effects of ALA were completely blocked by silencing SIRT3. Restoration of autophagic flux by rapamycin also inhibited mitochondrial ROS overproduction in endothelial cells exposed to AngII plus TNFα. More interestingly, SIRT3 KO mice developed severe hypertension in response to a low dose of AngII infusion, while ALA supplementation lost its anti-hypertensive and endothelium-protective effects on these mice. Our findings suggest that ALA but not LA supplementation improves endothelial dysfunction and diminishes experimental hypertension by rescuing SIRT3 impairment to restore autophagic flux and mitochondrial redox balance in endothelial cells.

Indexed as

Acetylationalpha-Linolenic AcidAngiotensin IIAnimalsAntihypertensive AgentsAutophagyCells, CulturedDietary SupplementsEndothelial CellsHypertensionMiceMitochondriaOxidation-ReductionRatsReactive Oxygen SpeciesSirtuin 3alpha-Linolenic AcidAngiotensin IIAntihypertensive AgentsReactive Oxygen SpeciesSirtuin 3Superoxide DismutaseSuperoxide Dismutase 2Tumor Necrosis Factor-alpha

Identifiers

PMID32015327
PMCPMC6997421
OpenAlexW3003997420

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.