The molecular basis of bisphosphonate activity: a preclinical perspective

Jonathan Green1, Philippe Clézardin

  • 1Novartis Pharma AG, Basel, Switzerland.

Seminars in Oncology
|August 5, 2010
PubMed

Insights

Bisphosphonates, used for bone health in cancer patients, show emerging anticancer activity. Their molecular mechanisms involve targeting key cellular pathways and enzymes, impacting tumor growth and immune function.

Area of Science:

  • Oncology
  • Pharmacology
  • Molecular Biology

Background:

  • Bisphosphonates are standard treatments for bone health in cancer patients.
  • Emerging research indicates potential anticancer properties beyond bone preservation.
  • Understanding bisphosphonate bioavailability and cellular mechanisms is crucial.

Purpose of the Study:

  • To explore the anticancer activity of bisphosphonates.
  • To examine the molecular and cellular mechanisms underlying bisphosphonate action.
  • To review structure-function correlations and novel molecular targets.

Main Methods:

  • Discussion of bisphosphonate bioavailability.
  • Examination of structure-function relationships.
  • Review of molecular interactions, including nitrogen-containing bisphosphonates with farnesyl pyrophosphate synthase and ApppI formation.
  • Analysis of effects on TGF-beta pathway, RANKL/OPG axis, and other novel targets.

Main Results:

  • Bisphosphonates interact with farnesyl pyrophosphate synthase, forming cytotoxic ApppI.
  • They modulate critical cancer-related pathways like TGF-beta and RANKL/OPG.
  • Observed preclinical and clinical activities include effects on apoptosis, proliferation, invasion, immune function, and angiogenesis suppression.

Conclusions:

  • Bisphosphonates possess significant anticancer potential through diverse molecular mechanisms.
  • Their effects extend to inhibiting tumor growth, metastasis, and angiogenesis.
  • Further research into bisphosphonates as anticancer agents is warranted.

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