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Related Experiment Video

Updated: Jun 27, 2026

Revealing the Ferroptotic Phenotype of Medulloblastoma
04:01

Revealing the Ferroptotic Phenotype of Medulloblastoma

Published on: March 15, 2024

HDL resuscitates cells from ferroptosis.

Bo Yan1, Xun Huang2, Youwei Ai3

  • 1Tianjin Neurological Institute, Laboratory of Post-Neuroinjury Neurorepair and Regeneration in Central Nervous System Tianjin and Ministry of Education, Tianjin Medical University General Hospital, Tianjin 300052, China; Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China.

Trends in Endocrinology and Metabolism: TEM
|June 25, 2026
PubMed
Summary

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Cells can die from ferroptosis, a process linked to antioxidant defenses. Researchers found that high-density lipoprotein (HDL) uptake, regulated by mTORC1, protects cells against ferroptosis.

Area of Science:

  • Cell biology
  • Biochemistry
  • Metabolism

Background:

  • Ferroptosis is a regulated cell death pathway.
  • Inhibition of membrane antioxidant defenses triggers ferroptosis.
  • Lipophilic antioxidants can prevent ferroptosis.

Purpose of the Study:

  • To investigate the role of high-density lipoprotein (HDL) uptake in ferroptosis.
  • To explore the regulatory mechanisms of HDL uptake in cellular protection.

Main Methods:

  • Cell culture experiments.
  • Assessment of ferroptosis induction and inhibition.
  • Analysis of mTORC1 signaling and HDL uptake.

Main Results:

  • mTORC1 regulates the uptake of HDL from the cell culture medium.
Keywords:
HDLSCARB1ferroptosismTORC1α-tocopherol

Related Experiment Videos

Last Updated: Jun 27, 2026

Revealing the Ferroptotic Phenotype of Medulloblastoma
04:01

Revealing the Ferroptotic Phenotype of Medulloblastoma

Published on: March 15, 2024

  • HDL uptake was found to protect cells from ferroptosis.
  • Inhibition of antioxidant defenses leads to ferroptosis, which can be rescued by HDL.

    • Conclusions:

    • mTORC1-mediated HDL uptake is a key protective mechanism against ferroptosis.
    • Targeting HDL uptake could be a therapeutic strategy for conditions involving ferroptosis.