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Markers of apoptosis.
1Department of Pathology, Karmanos Cancer Institute, Wayne State University School of Medicine, Detroit, MI, USA.
Methods in Molecular Medicine
|February 24, 2006
Summary
Apoptosis, the programmed cell death, is crucial for preventing diseases like breast cancer. Measuring apoptosis helps determine cancer malignancy and treatment effectiveness.
Area of Science:
- Cell Biology
- Oncology
- Biochemistry
Background:
- Apoptosis is a vital physiological process for eliminating unnecessary or damaged cells.
- Disruptions in apoptotic signaling can lead to malignant disorders, including breast cancer.
- A balance between cell proliferation and apoptosis is essential for normal mammary gland development and differentiation.
Purpose of the Study:
- To highlight the significance of apoptosis detection in breast cancer diagnosis and prognosis.
- To emphasize the importance of measuring the apoptosis index for evaluating anticancer agent efficacy.
- To provide detailed protocols for commonly used apoptosis assays.
Main Methods:
- DNA ladder formation assay
- Enzyme-linked immunosorbent assay (ELISA) for histone/DNA fragments
- Poly-ADP-ribose-polymerase (PARP) cleavage assay
- Terminal deoxynucleotidyl transferase-mediated dUTP nick-end-labeling (TUNEL) assay
Main Results:
- The provided chapter details established methodologies for quantifying apoptosis.
- These assays are critical for assessing cancer malignancy and response to therapy.
Conclusions:
- Accurate measurement of apoptosis is indispensable for understanding breast cancer development and progression.
- The described apoptosis assays are valuable tools for both clinical diagnostics and therapeutic monitoring in oncology.