Targeting the key cholesterol biosynthesis enzyme squalene monooxygenasefor cancer therapy

Yuheng Zou1, Hongying Zhang2, Feng Bi1

  • 1Department of Medical Oncology, Cancer Center and Laboratory of Molecular Targeted Therapy in Oncology, West China Hospital, Sichuan University, Chengdu, China.

Frontiers in Oncology
|September 12, 2022
PubMed

Insights

Cholesterol metabolism is frequently altered in cancer. Squalene monooxygenase (SQLE), a key enzyme in cholesterol synthesis, is a promising therapeutic target for novel antitumor strategies.

Area of Science:

  • Biochemistry
  • Oncology
  • Molecular Biology

Background:

  • Cholesterol metabolism plays a critical role in cellular processes, and its dysregulation is a hallmark of cancer.
  • Squalene monooxygenase (SQLE) is identified as the second rate-limiting enzyme in the cholesterol biosynthesis pathway.
  • Aberrant SQLE expression and activity are increasingly recognized in various cancer types, influencing tumor development.

Purpose of the Study:

  • To provide a comprehensive overview of the multifaceted role of SQLE in cancer initiation and progression.
  • To elucidate the regulatory mechanisms governing SQLE expression and function within the context of oncogenesis.
  • To summarize recent advancements in the development of SQLE-targeting antitumor therapies.

Main Methods:

  • Literature review of preclinical and clinical studies on SQLE in cancer.
  • Analysis of genetic and molecular data linking SQLE to cancer phenotypes.
  • Synthesis of information on emerging therapeutic strategies targeting SQLE.

Main Results:

  • SQLE dysregulation is a significant driver of cancer initiation and progression across multiple tumor types.
  • Evidence supports SQLE's involvement in key oncogenic pathways, including proliferation and survival.
  • Several therapeutic approaches targeting SQLE are under investigation, showing promising preclinical antitumor activity.

Conclusions:

  • SQLE is a critical regulator of cholesterol metabolism in cancer and represents a viable therapeutic target.
  • Targeting SQLE offers a promising strategy for the development of novel anticancer treatments.
  • Further research into SQLE regulation and targeted therapies is warranted to combat cancer effectively.