Autophagy, Inflammation, and Immunity: A Troika Governing Cancer and Its Treatment

Zhenyu Zhong1, Elsa Sanchez-Lopez1, Michael Karin1

  • 1Laboratory of Gene Regulation and Signal Transduction, Department of Pharmacology, School of Medicine, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA; Department of Pathology, School of Medicine, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA.

Cell
|July 16, 2016
PubMed

Insights

Autophagy, a cellular process, suppresses tumors by managing inflammation and immunity. Enhancing autophagy may boost anti-tumor immunity and improve cancer immunotherapy effectiveness.

Area of Science:

  • Cellular Biology
  • Immunology
  • Oncology

Background:

  • Autophagy is a cellular degradation process with known tumor-suppressive roles.
  • Emerging evidence highlights autophagy's function in modulating inflammation and immunity against cancer.
  • Cancer cells can evade immune surveillance by downregulating autophagy.

Purpose of the Study:

  • To explore the role of autophagy in cancer development beyond its cell-autonomous functions.
  • To investigate how autophagy influences inflammation and anti-tumor immunity.
  • To assess the potential of autophagy-inducing chemotherapeutics in cancer immunotherapy.

Main Methods:

  • Literature review and synthesis of recent studies on autophagy, inflammation, immunity, and cancer.
  • Analysis of mechanisms by which autophagy affects tumor antigen presentation and immune cell activity.
  • Examination of the impact of chemotherapeutic agents that induce autophagic cell death.

Main Results:

  • Autophagy suppresses tumor-promoting inflammation while enhancing tumor antigen presentation.
  • Autophagy stimulation leads to increased anti-tumor immune responses.
  • Certain chemotherapies can enhance anti-tumor immunity by inducing autophagic cell death.

Conclusions:

  • Autophagy plays a critical role in orchestrating anti-tumor immunity by modulating inflammation and antigen presentation.
  • Targeting autophagy presents a promising strategy for enhancing cancer immunotherapy.
  • Further research into the interplay between autophagy, immunity, and chemotherapy is crucial for improving cancer treatment outcomes.

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