Collagen Matrix Invasion
Collagen Matrix Invasion - Related Videos
09:26
Planar Gradient Diffusion System to Investigate Chemotaxis in a 3D Collagen Matrix
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Cited by 3 •
2015
Cell migration is an important part of human development and life. In order to understand the mechanisms that can alter cell migration, we present a planar gradient diffusion system to investigate chemotaxis in a 3D collagen matrix, which allows one to overcome modern diffusion chamber limitations of existing assays.
08:24
Dissection and Culture of Mouse Dopaminergic and Striatal Explants in Three-Dimensional Collagen Matrix Assays
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Cited by 13 •
2012
Explants from the midbrain dopamine system and striatum are used in a collagen matrix assay for the in vitro analysis of mesostriatal and striatonigral pathway development. In this assay axonal outgrowth and guidance can be manipulated and quantified. It can also be modified for assessing other regions or molecular cues.
07:25
Collagen Hydrogels
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2023
Collagen is another widely used biomaterial that has found popularity in commercial applications, such as photography. Collagen has more recently been used in tissue engineering applications, by creating hydrogels that provide structure to engineered tissue. This video introduces collagen as a biomaterial, demonstrates how it is harvested from porcine skin, and shows how the material is used to create a hydrogel for tissue engineering applications. Finally, several applications of the material...
08:02
Analysis of Cell Migration within a Three-dimensional Collagen Matrix
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Cited by 27 •
2014
Cell migration is a biological phenomenon that is involved in a plethora of physiological, such as wound healing and immune responses, and pathophysiological processes, like cancer. The 3D-collagen matrix migration assay is a versatile tool to analyze the migratory properties of different cell types within in a 3D physiological-like environment.
03:23
Matrix-Based Tumor Invasion Model Using Microglia Glioblastoma Co-Culture
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2025
In this video, glioblastoma and microglia cells are mixed with a polymer matrix solution and transferred to a porous chamber insert where a gel forms, embedding the cells. Microglia stimulate the migration of glioblastoma cells through the porous insert, mimicking tumor cell invasion into surrounding tissue, Cells are then fixed and prepared for further analysis.
FAQs
Cells first engage collagen through adhesion receptors, which provide attachment and physical coupling to the surrounding network. Contractile forces then alter cell shape and help propel movement, while secreted matrix-degrading enzymes can open or widen routes. Together, these activities determine how efficiently a cell negotiates a three-dimensional collagen environment.
Cell shape affects how readily a cell can move through available spaces, whereas matrix density changes the amount of collagen that must be negotiated. Stiffness adds another physical constraint that can alter migration behavior. Comparing these variables helps distinguish changes caused by the cells from changes produced by the surrounding matrix.
Matrix degradation is one route to easier passage, but cells may also move by attaching to collagen and generating contractile forces. This distinction matters experimentally because an altered invasion result may reflect changes in adhesion, force production, enzyme-mediated remodeling, or a combination rather than a single motility mechanism.
A basic evaluation places cells in a three-dimensional collagen network, allows the interaction to proceed under controlled conditions, and examines how far or effectively cells move through that environment. Researchers can then compare behavior among cell populations or conditions. The assay design centers on preserving the matrix context while observing cell-matrix interactions.
These assays can reveal invasive behavior and differences in metastatic potential by providing a common collagen environment for comparison. They also show how cells respond to physical properties of their surroundings, including matrix density and stiffness. Such outcomes connect observable movement with underlying cell-matrix interactions in a cancer model.
Investigators use these models to study local tumor invasion, compare cancer cell populations, and test compounds that may alter motility or extracellular-matrix remodeling. Because the matrix is controlled, the method supports focused comparisons of treatment- or cell-dependent effects without treating invasion as an isolated property of the cell alone.