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Viability Assays for Cells in Culture
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Hormesis and cancer therapy.

Glaucia Maria Machado-Santelli1, Julyane Batista Chaves1

  • 1Departamento De Biologia Celular e do Desenvolvimento, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, SP, Brazil.

Progress in Brain Research
|August 6, 2025
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Summary
This summary is machine-generated.

Hormesis, a phenomenon where low stressor doses stimulate cells and high doses inhibit them, shows potential in cancer therapy. Understanding its complex biological variability is key for optimizing treatments like chemotherapy and radiotherapy.

Keywords:
Cancer therapyChemotherapyHormesisIonizing radiationRadiotherapy

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Area of Science:

  • Oncology
  • Cell Biology
  • Pharmacology

Background:

  • Hormesis describes biphasic dose-response relationships where low stressor doses stimulate and high doses inhibit biological systems.
  • This phenomenon has been explored for its potential applications in various therapeutic contexts, including cancer treatment.
  • Conventional cancer therapies like chemotherapy and radiotherapy remain central despite advancements.

Purpose of the Study:

  • To explore the association between hormesis and cancer therapy.
  • To describe examples illustrating hormetic relationships in the context of oncological treatments.
  • To highlight the complexities and potential of hormesis in optimizing cancer care.

Main Methods:

  • Literature review and synthesis of existing research on hormesis in cancer therapy.
  • Analysis of documented examples of hormetic responses in oncological settings.
  • Discussion of the biological variability and challenges in implementing hormesis.

Main Results:

  • Examples illustrating hormetic relationships in cancer therapy were identified and described.
  • The complexity of hormetic responses due to biological variability was highlighted.
  • The potential of hormesis to enhance existing cancer therapies was discussed.

Conclusions:

  • Hormesis presents a complex but promising area for cancer therapy optimization.
  • Variability in biological responses poses challenges for clinical application.
  • Further scientific investigation is warranted to harness the potential of hormesis in oncology.