Target enzymes in serine-glycine-one-carbon metabolic pathway for cancer therapy

Wei Sun1, Erhu Zhao1,2, Hongjuan Cui1,2

  • 1State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, China.

Insights

Cancer cells utilize serine and glycine metabolism for nucleotide synthesis, a process vital for tumor growth. Targeting this serine-glycine-one-carbon (SGOC) pathway offers a promising strategy for cancer treatment.

Area of Science:

  • Metabolic pathways in oncology
  • Cancer cell metabolism
  • Biochemical pathways in tumorigenesis

Background:

  • Cancer cells exhibit altered metabolism, relying on specific pathways for growth and survival.
  • Serine-glycine-one-carbon (SGOC) metabolism is crucial for nucleotide biosynthesis in tumors.
  • Enzymes within the SGOC pathway are implicated in cancer progression, metastasis, and therapeutic resistance.

Purpose of the Study:

  • To review the role of serine and glycine in the folate-mediated one-carbon pathway during cancer progression.
  • To highlight mechanisms of one-carbon unit acquisition and utilization by cancer cells.
  • To discuss the impact of SGOC metabolic enzymes on tumor development and drug resistance.

Main Methods:

  • Literature review focusing on serine-glycine-one-carbon metabolism in cancer.
  • Analysis of the folate cycle and its role in nucleotide biosynthesis.
  • Examination of evidence linking SGOC enzymes to tumorigenesis and therapy resistance.

Main Results:

  • Cancer cells depend on exogenous serine or de novo serine synthesis for nucleotide production.
  • The SGOC pathway provides essential one-carbon units for cancer cell proliferation.
  • Metabolic enzymes in the SGOC pathway are critical regulators of tumor growth and metastasis.
  • Dysregulation of SGOC metabolism contributes to resistance against cancer therapies.

Conclusions:

  • The serine-glycine-one-carbon metabolic network is a key driver of tumorigenesis.
  • Targeting enzymes within the SGOC pathway presents a viable therapeutic strategy for cancer.
  • Inhibitors of SGOC pathway enzymes show potential as novel anti-cancer drug candidates.

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