Hedgehog-targeted therapeutics uncouple the vicious cycle of bone metastasis

Michelle A Hurchla1, Katherine N Weilbaecher

  • 1Department of Medicine; Division of Oncology; Washington University School of Medicine; St. Louis, MO USA.

Oncoimmunology
|December 18, 2012
PubMed

Insights

Paracrine Hedgehog (Hh) signaling drives cancer progression by activating stromal cells. Hh-targeted therapies may disrupt bone metastasis by affecting host cells like osteoblasts and osteoclasts.

Area of Science:

  • Oncology
  • Cell Biology
  • Cancer Metastasis

Background:

  • Paracrine Hedgehog (Hh) signaling, where tumor-derived Hh ligands activate stromal cells, is crucial in cancer development and progression.
  • This signaling pathway plays a role in the complex interactions driving bone metastasis.

Purpose of the Study:

  • To investigate the role of paracrine Hedgehog signaling in cancer.
  • To explore the potential of Hh-targeted therapeutics in disrupting cancer progression, particularly bone metastasis.

Main Methods:

  • Analysis of Hh signaling pathways in cancer models.
  • Evaluation of Hh-targeted therapeutics' effects on tumor cells and host cells involved in bone metastasis.

Main Results:

  • Tumor-derived Hh ligands activate stromal cells, promoting cancer progression.
  • Hh-targeted therapeutics demonstrate direct effects on host cells, including osteoblasts and osteoclasts.

Conclusions:

  • Paracrine Hh signaling is a key driver in multiple cancers.
  • Hh-targeted therapies offer a potential strategy to interrupt the cycle of bone metastasis by targeting both tumor and host cells.

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