Matrix Invasion Assay
Matrix Invasion Assay - Related Videos
07:58
Invasion Assay Using 3D Matrices
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2023
The extracellular matrix (ECM) is a network of molecules that provide a structural framework for cells and tissues and helps facilitate intercellular communication. Three-dimensional cell culture techniques have been developed to more accurately model this extracellular environment for in vitro study. While many cell processes during migration through 3D matrices are similar to those required for movement across rigid 2D surfaces, including adherence, migration through ECM also requires cells...
05:05
Tumor Cell Invasion Assay: A 3D In Vitro Native Matrix-based Method to Assess Epithelial-mesenchymal Cell Interactions
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2023
This video describes the technique of utilizing a native matrix to study tumor cell invasion. The technique used in this assay provides the ability to assess epithelial-mesenchymal cell interactions in a 3D setting without the need for a synthetic or foreign matrix.
07:53
An In vitro FluoroBlok Tumor Invasion Assay
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Cited by 23 •
2009
This video demonstrates how to measure cell invasion through cell culture inserts using a fluorescence-based methodology.
12:19
Three-Dimensional (3D) Tumor Spheroid Invasion Assay
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Cited by 222 •
2015
Invasion of surrounding normal tissues is a defining characteristic of malignant tumors. We provide here a simple, semi-automated micro-plate assay of invasion into a natural 3D biomatrix that has been exemplified with a number of models of advanced human cancers.
08:15
Fully Human Tumor-based Matrix in Three-dimensional Spheroid Invasion Assay
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Cited by 19 •
2019
Tumor microenvironment is an essential part of cancer growth and invasion. To mimic carcinoma progression, a biologically relevant human matrix is needed. This protocol introduces an improvement for the in vitro three-dimensional spheroid invasion assay by applying a human leiomyoma-based matrix. The protocol also introduces a computer-based cell invasion analysis.
FAQs
The chemoattractant in the lower chamber establishes a directional cue that encourages cells to move away from the upper chamber and toward the lower compartment. This arrangement helps distinguish directed movement through the matrix-coated barrier from movement without a defined attractant. Measuring cells that reach the opposite side therefore provides information about chemotactic invasive behavior under controlled conditions.
The matrix barrier adds an extracellular structure that cells must traverse, making the assay relevant to tissue invasion rather than simple movement across an unobstructed surface. Cell passage can reflect both motility and the ability to interact with or remodel the matrix. This feature supports studies of invasive behavior, extracellular matrix remodeling, and metastatic potential in cancer biology.
The porous membrane provides a defined interface through which cells can cross after encountering the matrix layer. Cells that pass through the matrix and membrane can be stained and quantified, converting a movement process into a measurable experimental outcome. The resulting cell count or staining readout allows researchers to compare invasive behavior across signaling conditions or candidate compound treatments.
A typical workflow places cells in the upper compartment of a matrix-coated porous membrane system and adds a chemoattractant to the lower chamber. During the assay, cells encounter the matrix barrier and may move toward the lower compartment. Afterward, cells that have crossed the matrix and membrane are stained, enabling their invasive activity to be quantified.
Researchers use the assay when they need a controlled in vitro model for examining cancer-cell motility, extracellular matrix remodeling, or metastatic potential. It can help compare how effectively different cells invade under the same experimental arrangement. Because the outcome is quantifiable, the method also supports investigation of signaling pathways associated with invasive behavior.
The assay provides a way to examine whether candidate compounds alter the number of cells that cross the matrix-coated membrane. A change in the quantified stained-cell outcome indicates an associated change in invasive behavior under the tested conditions. This makes the method useful for connecting compound effects with invasion-related signaling pathways and for studying mechanisms that regulate cell movement through extracellular matrix.