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Principles of Resistance to Targeted Cancer Therapy: Lessons from Basic and Translational Cancer Biology
Amit J Sabnis1, Trever G Bivona2
1Department of Pediatrics, University of California, San Francisco, San Francisco, CA, USA; Department of Medicine, University of California, San Francisco, San Francisco, CA, USA; Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA, USA.
Abstract:
Identification of the genomic drivers of cancer has led to the clinical development of targeted therapies that strike at the heart of many malignancies. Nonetheless, many cancers outsmart such precision-medicine efforts, and thus therapeutic resistance contributes significantly to cancer mortality. Attempts to understand the basis for resistance in patient samples and laboratory models has yielded two major benefits: one, more effective chemical inhibitors and rational combination therapies are now employed to prevent or circumvent resistance pathways; and two, our understanding of how oncogenic mutations drive cancer cell survival and oncogene addiction is deeper and broader, highlighting downstream or parallel cellular programs that shape these phenotypes. This review discusses emerging principles of resistance to therapies targeted against key oncogenic drivers.
Insights
Cancer therapies targeting genomic drivers are advancing, but therapeutic resistance remains a major challenge. Understanding resistance mechanisms improves targeted treatments and combination therapies for better cancer patient outcomes.
Area of Science:
- Oncology
- Genomics
- Pharmacology
Background:
- Genomic drivers are key targets for precision cancer medicine.
- Therapeutic resistance significantly contributes to cancer mortality.
- Understanding resistance is crucial for improving cancer treatment efficacy.
Purpose of the Study:
- To review emerging principles of resistance to targeted cancer therapies.
- To discuss how cancers develop resistance to precision medicine.
- To highlight advancements in overcoming therapeutic resistance.
Main Methods:
- Review of current literature on cancer therapeutic resistance.
- Analysis of mechanisms underlying resistance to targeted therapies.
- Synthesis of findings from patient samples and laboratory models.
Main Results:
- Targeted therapies face significant challenges due to cancer's ability to develop resistance.
- Research into resistance mechanisms has led to improved inhibitors and combination therapies.
- Deeper understanding of oncogenic mutations and cell survival pathways has been achieved.
Conclusions:
- Emerging principles of resistance are critical for developing next-generation cancer treatments.
- Overcoming therapeutic resistance is essential for improving patient survival rates.
- Continued research into resistance pathways will refine precision oncology strategies.
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