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ALDH Activity Assay: A Method for Cancer Stem Cell (CSC) Identification and Isolation
Vitale Del Vecchio1, Marcella La Noce1, Virginia Tirino2
1Department of Experimental Medicine, Histology and Embryology Section, University of Campania "L. Vanvitelli", Naples, Italy.
Methods in Molecular Biology (Clifton, N.J.)
|March 13, 2024
Summary
Cancer stem cells (CSCs) are identified and isolated using aldehyde dehydrogenase (ALDH) activity assays. This method detects ALDH enzyme activity, crucial for identifying CSCs in various solid tumors.
Area of Science:
- Oncology
- Cell Biology
- Biochemistry
Background:
- Cancer stem cells (CSCs) are a critical subpopulation driving tumor initiation, progression, and therapeutic resistance.
- Identifying and isolating CSCs is essential for understanding cancer biology and developing effective treatments.
Purpose of the Study:
- To describe the methodology for detecting and isolating cancer stem cells (CSCs) using aldehyde dehydrogenase (ALDH) activity.
- To highlight the role of ALDH activity as a biomarker for CSCs.
Main Methods:
- Utilizing flow cytometry for the detection and isolation of CSCs.
- Measuring intracellular aldehyde dehydrogenase (ALDH) activity as a key assay.
Main Results:
- Aldehyde dehydrogenase (ALDH) activity is overexpressed in both normal and cancer stem cells.
- ALDH activity serves as a reliable marker for identifying and isolating CSCs from diverse solid tumors.
Conclusions:
- The ALDH activity assay is a widely adopted and effective method for CSC detection and isolation.
- This assay facilitates research into CSC biology and therapeutic strategies targeting CSCs.
