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Updated: Sep 21, 2025

Implementation of In Vitro Drug Resistance Assays: Maximizing the Potential for Uncovering Clinically Relevant Resistance Mechanisms
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Implementation of In Vitro Drug Resistance Assays: Maximizing the Potential for Uncovering Clinically Relevant Resistance Mechanisms

Published on: December 9, 2015

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The multi-molecular mechanisms of tumor-targeted drug resistance in precision medicine

Xinming Li1, Mingdong Li2, Meiying Huang3

  • 1School of Laboratory Medicine and Bioengineering, Hangzhou Medical College, Hangzhou, China; Cancer Research Center, Guangdong Medical University, Zhanjiang, China.

Biomedicine & Pharmacotherapy = Biomedecine & Pharmacotherapie
|June 5, 2022
PubMed

Insights

Cancer drug resistance remains a challenge, but advances in gene detection and sequencing reveal molecular mechanisms. Understanding these mechanisms, including the tumor microenvironment, offers strategies to overcome resistance and improve patient survival.

Area of Science:

  • Oncology
  • Molecular Biology
  • Pharmacology

Background:

  • Chemotherapy dominates cancer treatment, but drug resistance limits efficacy.
  • Targeted therapies improve survival in advanced cancers but also face resistance.
  • Drug resistance is a significant hurdle in effective clinical cancer treatment.

Purpose of the Study:

  • To review the multi-molecular mechanisms of cancer drug resistance.
  • To discuss strategies for overcoming drug resistance, focusing on the tumor microenvironment.
  • To highlight the impact of emerging technologies on understanding drug resistance.

Main Methods:

  • Review of current literature on cancer drug resistance.
  • Analysis of molecular mechanisms identified through gene detection, liquid biopsy (ctDNA), and single-cell sequencing.
  • Exploration of the tumor microenvironment's role in drug resistance.

Main Results:

  • Emerging technologies reveal complex molecular mechanisms underlying tumor drug resistance.
  • New drug development is often met with novel resistance mechanisms.
  • The tumor microenvironment presents a key area for developing strategies to overcome resistance.

Conclusions:

  • Understanding molecular mechanisms of drug resistance is crucial for developing effective therapies.
  • Targeting the tumor microenvironment offers promising avenues to combat cancer drug resistance.
  • Continuous research and adaptation of therapeutic strategies are essential to improve patient outcomes.
Keywords:
Drug resistanceMolecular mechanismsTargeted drugsTumor immune escapeTumor microenvironment

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