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The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
There are several types of targeted therapies against...
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Mn-based cGAS-STING activation for tumor therapy.

Aiping Huang1, Wenhu Zhou1,2

  • 1Xiangya School of Pharmaceutical Sciences, Central South University, Changsha 410013, China.

Chinese Journal of Cancer Research = Chung-Kuo Yen Cheng Yen Chiu
|March 13, 2023
PubMed
Summary
This summary is machine-generated.

Manganese ions (Mn2+) can enhance cancer immunotherapy by activating the cyclic GMP-AMP synthase-stimulator of interferon gene (cGAS-STING) pathway. This review explores Mn2+-based strategies to improve immunotherapy response rates.

Keywords:
Tumor immunitycombinatorial therapymetal ionsnanoparticlestargeting

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Area of Science:

  • Oncology
  • Immunology
  • Biochemistry

Background:

  • Current immunotherapies show limited efficacy in many cancer patients.
  • Modulating the tumor microenvironment (TME) is crucial for enhancing immunotherapy.
  • The cyclic GMP-AMP synthase-stimulator of interferon gene (cGAS-STING) pathway is a key innate immune sensor for activating anti-tumor immunity.

Purpose of the Study:

  • To review recent advancements in activating the cGAS-STING pathway for improved cancer immunotherapy.
  • To highlight the role of Manganese ions (Mn2+) in sensitizing cGAS-STING pathway activation.
  • To summarize Mn2+-based therapeutic strategies for enhancing tumor immunotherapy.

Main Methods:

  • Review of signaling pathways involved in cGAS-STING activation and its regulation of anti-tumor immunity.
  • Discussion of cGAS-STING pathway agonists as potential immunotherapeutic agents.
  • Analysis of Mn2+ biological functions and its critical role in cGAS-STING activation.
  • Systematic review of Mn2+-based strategies, including those combined with other therapies.

Main Results:

  • The cGAS-STING pathway effectively activates anti-tumor immune responses through type I interferon production.
  • Mn2+ acts as a critical sensitizer for cGAS-STING pathway activation.
  • Various Mn2+-based strategies, alone or in combination, show promise for tumor immunotherapy.

Conclusions:

  • Mn2+-based strategies represent a promising approach to enhance cancer immunotherapy by leveraging the cGAS-STING pathway.
  • Further research and development of Mn2+-based therapeutics are warranted to improve patient outcomes.