Related Experiment Video

Updated: Feb 16, 2026

Looking for Driver Pathways of Acquired Resistance to Targeted Therapy: Drug Resistant Subclone Generation and Sensitivity Restoring by Gene Knock-down
08:59

Looking for Driver Pathways of Acquired Resistance to Targeted Therapy: Drug Resistant Subclone Generation and Sensitivity Restoring by Gene Knock-down

Published on: December 11, 2017

7.6K

Looking for Driver Pathways of Acquired Resistance to Targeted Therapy: Drug Resistant Subclone Generation and

Chiara Arienti1, Sara Pignatta1, Michele Zanoni1

  • 1Biosciences Laboratory, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS.

Journal of Visualized Experiments : Jove
|December 30, 2017
PubMed

Insights

Researchers developed a cost-effective framework to study drug resistance in targeted cancer therapy. This approach helps understand and potentially overcome acquired resistance, improving treatment efficacy.

Area of Science:

  • Oncology
  • Pharmacology
  • Molecular Biology

Background:

  • The shift from cytotoxic drugs to targeted therapy in oncology has improved efficacy but faces challenges with drug resistance.
  • Acquired resistance to targeted agents is a major limitation in cancer treatment.
  • Current preclinical models for studying resistance involve genetic manipulation or in vitro/in vivo selection.

Purpose of the Study:

  • To propose a unifying framework for investigating the mechanisms of acquired resistance to targeted therapeutic agents.
  • To provide a method for generating drug-resistant cellular subclones and restoring sensitivity to inhibitors.
  • To offer a widely applicable and cost-effective approach for studying resistance mechanisms.

Main Methods:

  • Development of a novel framework for studying acquired resistance to targeted therapy.
  • Generation of drug-resistant cellular subclones.
  • Description of silencing procedures to restore sensitivity to targeted inhibitors.

Main Results:

  • The proposed framework offers a simple, time- and cost-effective method for investigating resistance mechanisms.
  • The approach is widely applicable across different targeted therapeutic drugs and tumor histotypes.
  • This methodology facilitates the study of acquired resistance from initial resistance development to sensitivity restoration.

Conclusions:

  • The developed framework provides a comprehensive and efficient approach to study acquired resistance to targeted cancer therapies.
  • This method can be extended to investigate resistance mechanisms for various targeted drugs and cancer types.
  • Understanding and overcoming drug resistance is crucial for enhancing the long-term benefits of targeted cancer therapy.

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