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Resistance in cancer: a target for drug discovery

Mark Searcey1, Laurence H Patterson

  • 1Department of Pharmaceutical and Biological Chemistry, School of Pharmacy, University of London, 29-39 Brunswick Square, London WC1N 1AX, UK mark.searcey@ulsop.ac.uk

Current Medicinal Chemistry. Anti-Cancer Agents
|September 24, 2004
PubMed

Insights

Cancer chemotherapy resistance is a major clinical problem. New strategies targeting resistant tumor cells, focusing on intratumoral P450 expression, drug efflux, and DNA repair, offer promising therapeutic avenues.

Area of Science:

  • Oncology
  • Cancer Biology
  • Pharmacology

Background:

  • Chemotherapy resistance significantly limits the effectiveness of cancer treatments.
  • Resistant cancer cells exhibit distinct phenotypes compared to normal cells, presenting therapeutic targets.

Purpose of the Study:

  • To explore novel strategies for targeting drug-resistant cancer cells.
  • To investigate the potential of intratumoral P450 expression and DNA repair mechanisms in overcoming resistance.

Main Methods:

  • Description of two distinct approaches for targeting resistant cells.
  • Focus on mechanisms including intratumoral P450 expression, drug-efflux pumps, and DNA repair deficiencies.

Main Results:

  • Identification of specific cellular mechanisms contributing to chemotherapy resistance.
  • Demonstration of potential strategies to exploit these differences for therapeutic benefit.

Conclusions:

  • Viewing solid tumors as complex organs, rather than simple cell collections, is crucial for future drug development.
  • Targeting multiple resistance mechanisms simultaneously holds promise for improved cancer therapy outcomes.

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