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Wnt signaling: a double-edged sword in protecting bone from cancer

Xun Sun1,2, Kexin Li1,2, Bai-Yan Li1

  • 1Department of Pharmacology, School of Pharmacy, Harbin Medical University, Harbin, 150081, China.

Journal of Bone and Mineral Metabolism
|August 30, 2022
PubMed

Insights

Wnt signaling has dual roles in bone health and cancer. While typically promoting cancer, specific components like Lrp5 and β-catenin may suppress tumors, offering new bone protection strategies.

Area of Science:

  • Bone biology
  • Oncology
  • Molecular signaling pathways

Background:

  • Wnt signaling is crucial for bone formation and homeostasis.
  • Aberrant Wnt signaling activation in cancer cells drives tumor progression.
  • Existing cancer therapies focus on Wnt pathway inhibition.

Purpose of the Study:

  • To review the dual role of Wnt signaling in the bone microenvironment.
  • To explore the tumor-suppressive functions of Lrp5 and β-catenin.
  • To propose novel therapeutic strategies for bone protection against cancer.

Main Methods:

  • Literature review of tumor-bone interactions.
  • Analysis of Wnt signaling pathways in cancer and bone.
  • Synthesis of evidence on Lrp5 and β-catenin roles.

Main Results:

  • Wnt signaling acts as a double-edged sword in bone.
  • Lrp5 and β-catenin exhibit tumor-suppressive properties in certain contexts.
  • Evidence suggests a complex interplay between Wnt signaling, bone, and cancer.

Conclusions:

  • Targeting Wnt signaling requires a nuanced approach considering its context-dependent roles.
  • Lrp5 and β-catenin represent potential targets for bone-protective cancer therapies.
  • Further research into tumor-bone interactions could yield novel cancer treatment strategies.
Keywords:
BoneCancerWnt signaling

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