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Targeting the Thioredoxin System as a Strategy for Cancer Therapy

Mianli Bian1, Rong Fan1, Sai Zhao1,2

  • 1Institute of Chinese Medicine, School of Pharmacy , Nanjing University of Chinese Medicine , Nanjing 210023 , P. R. China.

Journal of Medicinal Chemistry
|April 10, 2019
PubMed

Insights

Thioredoxin reductase (TrxR) regulates redox balance and cell signaling. Overactivated TrxR is linked to cancer, making TrxR inhibitors promising for new antitumor therapies.

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Oncology

Background:

  • Thioredoxin reductase (TrxR) is crucial for redox homeostasis and cellular signaling.
  • Dysregulation of TrxR is implicated in tumor development and progression.
  • TrxR influences critical physiological processes including cell proliferation and apoptosis.

Purpose of the Study:

  • To explore the relationship between TrxR and apoptotic signaling pathways.
  • To review TrxR inhibitors with demonstrated anticancer activity.
  • To analyze challenges in developing TrxR inhibitors for cancer treatment.

Main Methods:

  • Literature review focusing on TrxR's role in apoptosis and cancer.
  • Analysis of TrxR's involvement in reactive oxygen species (ROS) and inflammatory pathways.
  • Discussion of existing TrxR inhibitors and their therapeutic potential.

Main Results:

  • TrxR in cytoplasm and mitochondria activates apoptosis.
  • TrxR activity modulates ROS levels, impacting inflammatory signaling.
  • Several TrxR inhibitors exhibit anticancer effects in preclinical studies.

Conclusions:

  • TrxR is a key regulator of apoptosis and a potential target for cancer therapy.
  • Targeting TrxR offers a promising avenue for novel antitumor drug development.
  • Overcoming challenges in TrxR inhibitor development is essential for clinical translation.

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