Evidence map›Paper›PMID 28893626›Full record

ArticleFree radical biology & medicine2017

Low-density lipoprotein docosahexaenoic acid nanoparticles induce ferroptotic cell death in hepatocellular carcinoma.

Weijun Ou, Rohit S Mulik, Arnida Anwar, Jeffrey G McDonald, Xiaoshun He, Ian R Corbin

Open access · greenAbstract read
In one paragraph

Article in Free radical biology & medicine, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 102 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
102citing papers in PubMed, 3 pooled it
3.7field-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

102 citing papers in PubMed, 3 syntheses or guidelines pooled it, 172 citations in OpenAlex.

  1. Pooled it
  2. Metabolic cell death in cancer: mechanisms and therapeutic potential.Apoptosis : an international journal on programmed cell death · 2025
    Pooled it
  3. Pooled it
  4. Review
  5. Ferroptosis-induced immune modulation: a new frontier in glioblastoma therapy.Naunyn-Schmiedeberg's archives of pharmacology · 2026
    Review
  6. Review
  7. Review
  8. Article
  9. Review
  10. Review
  11. Review
  12. DHA and Cancer: The Uncharted Territory of Nutritional Oncology.Current pharmaceutical biotechnology · 2025
    Article
  13. Article
  14. Article
  15. Article
  16. Review
  17. Review
  18. Review
  19. Recent progress of ferroptosis in cancers and drug discovery.Asian journal of pharmaceutical sciences · 2024
    Review
  20. Review

42 more citing papers are in PubMed but not listed here.

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

6 authors at 4 institutions in 2 countries.

Weijun OuAdvanced Imaging Research Center, University of Texas Southwestern Medical Center at Dallas, Dallas, TX 75390, USA; Organ Transplantation Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, PR China.
Rohit S MulikAdvanced Imaging Research Center, University of Texas Southwestern Medical Center at Dallas, Dallas, TX 75390, USA.
Arnida AnwarAdvanced Imaging Research Center, University of Texas Southwestern Medical Center at Dallas, Dallas, TX 75390, USA.
Jeffrey G McDonaldDepartment of Molecular Genetics, University of Texas Southwestern Medical Center at Dallas, Dallas, TX 75390, USA.
Xiaoshun HeOrgan Transplantation Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, PR China. Electronic address: gdtrc@163.com.
Ian R CorbinAdvanced Imaging Research Center, University of Texas Southwestern Medical Center at Dallas, Dallas, TX 75390, USA; Internal Medicine Division of Liver and Digestive Diseases, University of Texas Southwestern Medical Center at Dallas, Dallas, TX 75390, USA. Electronic address: ian.corbin@utsouthwestern.edu.
Southwestern Medical Center · USThe University of Texas Southwestern Medical Center · USAdvanced Imaging Research (United States) · USSun Yat-sen University · CN

Funding

UT Southwestern Medical Center Simmons Comprehensive Cancer CenterP30CA142543 · NCI · UT SOUTHWESTERN MEDICAL CENTER · PI Sandi Leigh Pruitt · 2010 to 2026
$53.7M
UT Southwestern Center for Translational Medicine (UL1/KL2/TL1)UL1TR001105 · NCATS · UT SOUTHWESTERN MEDICAL CENTER · PI TOTO, ROBERT DANIEL · 2013 to 2017
$24.5M
NCATS NIH HHS UL1 TR001105NCI NIH HHS P30 CA142543
6 · The paper itself

Abstract

Low-density lipoprotein nanoparticles reconstituted with the natural omega-3 fatty acid, docosahexaenoic acid (LDL-DHA), have been reported to selectively kill hepatoma cells and reduce the growth of orthotopic liver tumors in the rat. To date, little is known about the cell death pathways by which LDL-DHA nanoparticles kill tumor cells. Here we show that the LDL-DHA nanoparticles are cytotoxic to both rat hepatoma and human hepatocellular carcinoma (HCC) cell lines. Following LDL-DHA treatment both rat and human HCC cells experience pronounced lipid peroxidation, depletion of glutathione and inactivation of the lipid antioxidant glutathione peroxidase-4 (GPX4) prior to cell death. Inhibitor studies revealed that the treated HCC cells die independent of apoptotic, necroptotic or autophagic pathways, but require the presence of cellular iron. These hallmark features are consistent and were later confirmed to reflect ferroptosis, a novel form of nonapoptotic iron-dependent cell death. In keeping with the mechanisms of ferroptosis cell death, GPX4 was also found to be a central regulator of LDL-DHA induced tumor cell killing. We also investigated the effects of LDL-DHA treatments in mice bearing human HCC tumor xenografts. Intratumoral injections of LDL-DHA severely inhibited the growth of HCC xenografts long term. Consistent with our in vitro findings, the LDL-DHA treated HCC tumors experienced ferroptotic cell death characterized by increased levels of tissue lipid hydroperoxides and suppression of GPX4 expression.

conclusionLDL-DHA induces cell death in HCC cells through the ferroptosis pathway, this represents a novel molecular mechanism of anticancer activity for LDL-DHA nanoparticles.

Indexed as

AnimalsAntineoplastic AgentsCarcinoma, HepatocellularCell DeathCell Line, TumorDocosahexaenoic AcidsGene ExpressionGlutathioneGlutathione PeroxidaseHep G2 CellsHumansInjections, IntralesionalIronLipid PeroxidationLipid PeroxidesLipoproteins, LDLAntineoplastic AgentsDocosahexaenoic AcidsGlutathioneGlutathione Peroxidaseglutathione peroxidase 4, mouseIronLipid PeroxidesLipoproteins, LDLPhospholipid Hydroperoxide Glutathione PeroxidaseDocosahexaenoic acidFerroptosisGlutathione peroxidaseHepatocellular carcinomaLow-density lipoproteinNanoparticle

Identifiers

PMID28893626
PMCPMC5848495
OpenAlexW2751075893

What OpenQuestion holds

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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.