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Related Concept Videos

Necrosis01:16

Necrosis

Necrosis is considered as an “accidental” or unexpected form of cell death that ends in cell lysis. The first noticeable mention of “necrosis” was in 1859 when Rudolf Virchow used this term to describe advanced tissue breakdown in his compilation titled “Cell Pathology”.
Morphological Manifestations of Necrosis
Necrotic cells show different types of morphological appearance depending on the type of tissue and infection. In coagulative necrosis, cells become anucleated and die, but their...
Cells Coordinate Growth and Proliferation02:36

Cells Coordinate Growth and Proliferation

Cell size is a significant factor impacting cellular design, function, and fitness. There exists some internal coordination by which cells double their masses before division, thus, achieving homeostasis. Coordination between cell growth and proliferation depends on the checkpoints in between cell cycle phases. Loss of coordination or failure in the checkpoint mechanism can drive the cell to uncontrolled growth and loss of cellular function. Like dividing cells that coordinate cellular growth,...

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Related Experiment Video

Updated: Jun 11, 2026

Revealing the Ferroptotic Phenotype of Medulloblastoma
04:01

Revealing the Ferroptotic Phenotype of Medulloblastoma

Published on: March 15, 2024

Cell size modulates ferroptosis susceptibility.

Evgeny Zatulovskiy1,2, Magdalena B Murray2, Shuyuan Zhang2

  • 1Department of Biochemistry, University of Cambridge, Cambridge, United Kingdom.

Elife
|June 10, 2026
PubMed
Summary
This summary is machine-generated.

Large human cells exhibit increased resistance to ferroptosis, a cell death pathway. This size-dependent survival is linked to higher glutathione levels and lower lipid peroxides, impacting therapeutic strategies.

Keywords:
biochemistrycell biologycell deathcell sizechemical biologyerastin2ferroptosisglutathioneheterogeneous responsehumanscaling

Related Experiment Videos

Last Updated: Jun 11, 2026

Revealing the Ferroptotic Phenotype of Medulloblastoma
04:01

Revealing the Ferroptotic Phenotype of Medulloblastoma

Published on: March 15, 2024

Area of Science:

  • Cell Biology
  • Biochemistry
  • Physiology

Background:

  • Cell size is a fundamental property impacting cellular physiology and proteome composition.
  • Biochemical differences between large and small cells suggest varied responses to signals and decisions.

Purpose of the Study:

  • To investigate the impact of cell size on human cell susceptibility to cell death, specifically ferroptosis.
  • To elucidate the mechanisms underlying cell size-dependent resistance to ferroptosis.

Main Methods:

  • Comparative analysis of large and small human cells.
  • Measurement of glutathione, lipid peroxides, and key enzyme concentrations (ACSL4, glutamate-cysteine ligase, glutathione synthetase, ferritin, cathepsin B).
  • Induction of ferroptosis via system xc- inhibition.

Main Results:

  • Larger cells demonstrated increased resistance to ferroptosis.
  • Large cells showed higher glutathione concentrations and lower membrane lipid peroxides.
  • Mechanisms included lower ACSL4, higher glutathione-synthesizing enzymes, ferritin, and cathepsin B in larger cells.

Conclusions:

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