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Glutathione Synthesis in Cancer Cells

E V Kalinina1, L A Gavriliuk2

  • 1Peoples' Friendship University of Russia (RUDN University), Moscow, 117198, Russia. kalinina-ev@rudn.ru.

Biochemistry. Biokhimiia
|October 13, 2020
PubMed

Insights

Glutathione (GSH) is vital for cell health and cancer progression. This review explores how cancer cells synthesize and regulate GSH, impacting tumor growth and treatment resistance.

Area of Science:

  • Biochemistry
  • Cell Biology
  • Oncology

Background:

  • Glutathione (GSH) is a key tripeptide involved in cellular redox homeostasis, detoxification, and cell death regulation.
  • Altered GSH synthesis and GSH/GSSG ratio are hallmarks of many diseases, particularly malignant neoplasms.
  • GSH plays a critical role in tumor cell viability, initiation, progression, and drug resistance.

Purpose of the Study:

  • To review the specific mechanisms of GSH synthesis and its regulation within tumor cells.
  • To examine the multifaceted role of GSH in various cell death pathways relevant to cancer.

Main Methods:

  • Literature review of existing research on GSH synthesis and function in cancer.
  • Analysis of data linking GSH levels to tumor development and treatment outcomes.
  • Examination of GSH's involvement in apoptosis, necroptosis, ferroptosis, and autophagy.

Main Results:

  • GSH synthesis and regulation in malignant tumors present unique characteristics compared to normal cells.
  • The GSH/GSSG ratio is significantly implicated in controlling tumor cell survival and proliferation.
  • GSH influences multiple cell death pathways, affecting tumor response to therapy.

Conclusions:

  • Understanding GSH synthesis regulation in cancer is crucial for developing targeted therapies.
  • GSH's role in cell death pathways offers potential targets for overcoming drug resistance.
  • Further research into tumor-specific GSH metabolism is warranted for improved cancer treatment strategies.

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