Cancer Cell Assay
Cancer Cell Assay - Related Videos
05:34
A Cancer Cell Spheroid Assay to Assess Invasion in a 3D Setting
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Cited by 112 •
2015
This method evaluates cancer cell invasion from spheroids into a surrounding 3D matrix. Spheroids are generated via the hanging drop culture method and then embedded in a matrix comprised of basement membrane materials and type I collagen. Invasion out of the spheroids is subsequently monitored.
02:55
An In Vitro Assay for Evaluating Natural Killer Cell Cytotoxicity against Cancer Cells
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2025
This video demonstrates performing a lactate dehydrogenase release assay to determine the cytotoxicity of natural killer (NK) cells against the target cancer cells. The assay quantifies the release of the cytoplasmic lactate dehydrogenase enzyme from cancer cells by measuring the absorbance of the red-colored product formed.
05:22
Cancer Side Population Discrimination Assay: A Method to Isolate Cancer Stem-like Cells Using Hoechst Dye Efflux Assay
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2023
In this video, we describe the isolation of a subpopulation of cancer stem-like cells from head and neck squamous carcinoma cell lines using fluorescence-activated cell sorter or FACS. The isolated side population of cells can be used for further downstream analysis.
10:51
Mammosphere Formation Assay from Human Breast Cancer Tissues and Cell Lines
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Cited by 116 •
2015
Floating mammosphere assays can investigate the subset of stem-like breast cancer cells that survive in suspension conditions and show enhanced tumorigenesis when implanted into mice. This protocol provides a convenient in vitro measure of sphere-forming ability, a proxy for in vivo tumorigenesis, while facilitating analysis of the stem-associated transcriptional landscape.
08:48
Polyacrylamide Gels for Invadopodia and Traction Force Assays on Cancer Cells
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Cited by 9 •
2015
Mechanical rigidity in the tumor microenvironment plays a crucial role in driving malignant behavior by increasing invadopodia activity and actomyosin contractility. Using polyacrylamide gels (PAAs), invadopodia and traction force assays can be utilized to study the invasive and contractile properties of cancer cells in response to matrix rigidity.
FAQs
Interpretation depends on the experimental factor applied to cultured tumor cells. Immune cells can be examined for cytotoxic effects, whereas cytokines, infectious agents, or candidate compounds can reveal changes associated with inflammation, infection, or treatment exposure. Comparing the measured response with the relevant experimental condition helps connect altered survival, growth, or cell state to a specific research question.
Different readouts capture different aspects of tumor-cell behavior. Metabolic activity can provide a quantitative response measure, while cell number, microscopy, staining, and markers of cell death offer complementary information about abundance, appearance, or death-associated changes. Using more than one readout can help investigators assess whether an observed treatment effect reflects altered growth, reduced survival, or detectable cell death.
The key distinction is the experimental exposure used with the cultured-cell system. Adding immune cells focuses interpretation on immune-mediated cytotoxicity; adding an infectious agent examines pathogen-induced changes; and adding a candidate compound tests treatment-related responses. Measuring comparable outcomes across these conditions can reveal whether tumor-cell behavior changes in response to immunity, infection, or an intervention.
Cytokine exposure allows investigators to examine inflammatory signaling without making immune-cell cytotoxicity the only focus. By measuring changes in survival, growth, cell state, or cell-death markers after exposure, researchers can evaluate how inflammatory signals affect tumor cells. This is particularly relevant when studying connections between immune responses and cancer-cell behavior in immunology and infection research.
A basic workflow begins with cultured tumor cells, followed by exposure to the selected experimental factor, such as immune cells, cytokines, infectious agents, or a candidate compound. Investigators then quantify the resulting response using metabolic activity, cell number, microscopy, staining, or cell-death markers. The selected readout should match whether the study examines growth, survival, cellular change, or treatment response.
These assays are useful when researchers need to connect a controlled exposure with a measurable tumor-cell outcome. In immunology and infection studies, they support analysis of immune-mediated cytotoxicity, pathogen-induced changes, and tumor-cell responses to inflammatory signals. In therapeutic research, the same approach can support candidate-compound screening and evaluation of treatment resistance.
Introducing an infectious agent into the cultured tumor-cell system enables researchers to measure pathogen-induced changes in tumor-cell behavior. Depending on the assay readout, those changes may be assessed through metabolic activity, cell number, microscopy, staining, or markers of cell death. This approach places infection-related effects within a cancer-cell context and complements studies centered on immune cells or candidate treatments.