Collagen Gel Invasion
Collagen Gel Invasion - Related Videos
10:24
Preparation of 3D Collagen Gels and Microchannels for the Study of 3D Interactions In Vivo
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Cited by 16 •
2016
Collagen is a core component of the ECM, and provides essential cues for several cellular processes ranging from migration to differentiation and proliferation. Provided here is a protocol for embedding cells within 3D collagen hydrogels, and a more advanced technique for generating randomized or aligned collagen matrices using PDMS microchannels.
09:28
Fabrication of Micro-tissues using Modules of Collagen Gel Containing Cells
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Cited by 9 •
2010
Creation of micro-tissues using cylindrical collagen gels, called modules, that contain embedded cells and which surface is coated with endothelial cells.
09:23
Engineering 3D Cellularized Collagen Gels for Vascular Tissue Regeneration
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Cited by 40 •
2015
In this work, we present a technique for the rapid fabrication of living vascular tissues by direct culturing of collagen, smooth muscle cells and endothelial cells. In addition, a new protocol for the mechanical characterization of engineered vascular tissues is described.
11:08
Dissection and Culture of Chick Statoacoustic Ganglion and Spinal Cord Explants in Collagen Gels for Neurite Outgrowth Assays
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Cited by 9 •
2011
We demonstrate how to dissect and culture chick E4 statoacoustic ganglion and E6 spinal cord explants. Explants are cultured under serum-free conditions in 3D collagen gels for 24 hours. Neurite responsiveness is tested with growth factor-supplemented medium and with protein-coated beads.
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...
FAQs
Cell movement reflects several coordinated processes rather than a single mechanism. Cells adhere to collagen fibers, remodel their cytoskeleton to change shape and generate movement, and apply traction forces to the matrix. Proteolytic degradation can further alter the surrounding collagen structure, allowing cells to move through regions that otherwise restrict migration. Together, these activities determine invasive behavior.
Collagen provides both a physical framework and a set of adhesive interactions that regulate cell movement. Changes in defined matrix conditions can therefore alter how strongly cells attach, how much force they transmit, and how readily they remodel or degrade the surrounding gel. Controlling these conditions helps distinguish cell-intrinsic behavior from responses caused by the extracellular matrix environment.
Cells may be embedded within a polymerized collagen gel or placed adjacent to it, and these arrangements present different starting relationships between cells and matrix. An embedded configuration examines movement through the collagen surroundings, whereas an adjacent configuration emphasizes entry into the gel. Comparing invasion distance, cell number, or morphology requires keeping the starting geometry clearly defined.
These measurements describe complementary aspects of the response. Invasion distance indicates how far cells move into or through the matrix, while cell number reflects the extent of cellular entry or distribution. Morphology provides visual information about how cells adapt their shape during movement. Used together, the measures help characterize tissue remodeling and invasive behavior more fully.
A basic workflow places cells either within or beside a collagen solution, allows the collagen to polymerize into a gel, and maintains the defined cell-matrix arrangement for observation. The resulting assay is then evaluated by measuring invasion distance, cell number, or morphology. Consistent gel formation and starting cell placement are essential for meaningful comparisons.
Bioengineers can use the assay when they need a controlled model of cell movement through an extracellular matrix. It supports studies of cancer cell invasiveness, immune-cell migration, cell-matrix interactions, and the behavior of engineered tissues. Because matrix conditions can be defined, the system also helps evaluate how biomaterial environments regulate cellular movement.
The assay links measurable cell behavior with the surrounding collagen environment. By examining invasion distance, cell number, and morphology under defined matrix conditions, researchers can assess how a material context influences adhesion, force generation, remodeling, and matrix degradation. These observations provide bioengineering evidence for designing biomaterials that encourage, restrict, or otherwise regulate cell movement.