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Related Experiment Video

Updated: Jan 10, 2026

Author Spotlight: Tracing the Ferroptotic Signatures and Cell Death Dynamics in Medulloblastoma for Advanced Therapeutics

Author Spotlight: Tracing the Ferroptotic Signatures and Cell Death Dynamics in Medulloblastoma for Advanced Therapeutics

Published on: March 15, 2024

Cell size modulates ferroptosis susceptibility.

Evgeny Zatulovskiy^1,2, Magdalena B Murray², Shuyuan Zhang²

¹Department of Biochemistry, University of Cambridge, Cambridge, CB2 1GA, UK.

Biorxiv : the Preprint Server for Biology

|November 24, 2025

Summary

This summary is machine-generated.

Cell size significantly impacts cell death resistance. Larger cells are more resistant to ferroptosis, a cell death pathway, due to higher glutathione levels and lower lipid peroxidation.

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Ferritinophagy: Assessing the Selective Degradation of Iron by Autophagy in Human Fibroblasts

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Area of Science:

Cell Biology
Biochemistry
Physiology

Background:

Cell size is a fundamental property influencing cellular physiology and proteome composition.
Differences in biochemical composition between large and small cells suggest varying responses to signals.

Purpose of the Study:

To investigate the impact of cell size on susceptibility to cell death.
To determine if cell size affects ferroptosis, an iron-dependent cell death pathway.

Main Methods:

Comparison of large and small cells regarding ferroptosis induction.
Quantification of glutathione, lipid peroxides, ACSL4, ferritin, glutamate-cysteine ligase, and glutathione synthetase concentrations.

Main Results:

Larger cells demonstrated increased resistance to ferroptosis induced by system x_c^- inhibition.
Larger cells exhibited higher glutathione concentrations and lower membrane lipid peroxides.
Mechanisms included lower ACSL4, higher ferritin, and increased glutathione-synthesizing enzymes in larger cells.

Conclusions:

Cell size significantly influences cellular function and survival.
A size-dependent vulnerability to ferroptosis was identified.
Findings may impact therapeutic strategies targeting ferroptosis.