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How to Assess Drug Resistance in Cancer Stem Cells

Maria Laura De Angelis1, Ruggero De Maria2, Marta Baiocchi3

  • 1Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161, Rome, Italy.

Methods in Molecular Biology (Clifton, N.J.)
|October 8, 2017
PubMed

Insights

This study details a method for drug screening using colorectal cancer stem cells (CSCs). The approach helps identify genetic factors influencing treatment response and guides new therapies.

Area of Science:

  • Oncology
  • Stem Cell Biology
  • Pharmacology

Background:

  • Cancer stem cells (CSCs) are crucial for tumor growth and drug resistance.
  • Patient-derived CSCs grown as spheroids provide a model for personalized medicine.

Purpose of the Study:

  • To establish a standardized in vitro drug screening procedure for colorectal CSCs.
  • To investigate genetic determinants of drug sensitivity and resistance.

Main Methods:

  • Isolation and genetic characterization of colorectal CSCs from patients.
  • Culturing CSCs as multicellular spheroids.
  • Performing in vitro drug screening using irinotecan as a model compound.

Main Results:

  • The described procedure enables reliable drug screening on colorectal CSCs.
  • This method can identify genetic factors influencing response to chemotherapy.

Conclusions:

  • Standardized in vitro drug screening on patient-derived CSC spheroids is a valuable tool.
  • This approach facilitates the study of stem cell-directed therapies and personalized cancer treatment.
Keywords:
CSCCancer stem cell cultureColorectal cancerDrug resistanceDrug screeningIn vitro assays

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