An Overview of the Recent Development of Anticancer Agents Targeting the HIF-1 Transcription Factor

Yukari Shirai1,2, Christalle C T Chow1,2, Gouki Kambe1,2

  • 1Laboratory of Cancer Cell Biology, Graduate School of Biostudies, Kyoto University, Yoshida-Konoe-Cho, Sakyo-Ku, Kyoto 606-8501, Japan.

Cancers
|July 2, 2021
PubMed

Insights

Hypoxia-inducible factor 1 (HIF-1) drives cancer malignancy and resistance. This review covers HIF-1 activators and the development of novel anticancer drugs targeting this key cancer pathway.

Area of Science:

  • Oncology
  • Molecular Biology
  • Biochemistry

Background:

  • Solid tumors frequently exhibit hypoxia, a condition linked to increased cancer malignancy and resistance to therapies.
  • Hypoxia-inducible factor 1 (HIF-1) is a crucial transcription factor mediating cellular adaptation to low-oxygen environments.
  • HIF-1 plays a significant role in the progression and survival of cancer cells within hypoxic tumor regions, making it a promising therapeutic target.

Purpose of the Study:

  • To provide a comprehensive overview of the molecular mechanisms governing HIF-1 activation.
  • To summarize identified HIF-1 activators and their significance in cancer biology.
  • To discuss the development of anticancer drugs designed to inhibit HIF-1 activity.

Main Methods:

  • Literature review of research on HIF-1.
  • Analysis of studies identifying HIF-1 activators.
  • Examination of preclinical and clinical developments in HIF-1 targeted cancer therapies.

Main Results:

  • Detailed elucidation of the molecular pathways regulating HIF-1 activation under hypoxic conditions.
  • Identification and characterization of various small molecules and biological agents that activate HIF-1.
  • Overview of drug development strategies aimed at inhibiting HIF-1 function for cancer treatment.

Conclusions:

  • HIF-1 is a critical mediator of the tumor microenvironment and a validated target for anticancer drug development.
  • Understanding HIF-1 activation mechanisms is essential for designing effective therapies.
  • Targeting HIF-1 presents a promising strategy to overcome cancer therapy resistance and improve patient outcomes.

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