Collagen Cell Model
Collagen Cell Model - Related Videos
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...
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.
07:48
Three-Dimensional In Vitro Biomimetic Model of Neuroblastoma Using Collagen-Based Scaffolds
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Cited by 9 •
2021
This paper lists the steps required to seed neuroblastoma cell lines on previously described three-dimensional collagen-based scaffolds, maintain cell growth for a predetermined timeframe, and retrieve scaffolds for several cell growth and cell behavior analyses and downstream applications, adaptable to satisfy a range of experimental aims.
06:17
Engineered 3D Silk-collagen-based Model of Polarized Neural Tissue
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Cited by 30 •
2015
Insight into the complex actions of the brain requires advanced research tools. Here we demonstrate a novel silk-collagen-based 3D engineered model of neural tissue resembling brain-like architecture. The model can be used to study neuronal network assembly, axonal guidance, cell-cell interactions and electrical activity.
04:30
A Photopolymerizable Hyaluronic Acid-Collagen Model of the Invasive Glioma Microenvironment with Interstitial Flow
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Cited by 2 •
2024
We present a method for replicating the glioma tumor microenvironment at the invasive front that incorporates interstitial fluid flow. This model is a hyaluronan-collagen I hydrogel in a tissue culture insert where a fluid pressure head can be applied. Invasion can be quantified, and cells can be isolated or lysed.
FAQs
Collagen concentration changes the density of the fibrillar network and can therefore alter the gel’s architecture and mechanical stiffness. Those matrix properties affect how cells grow, migrate, organize, and remodel their surroundings. Comparing defined concentrations helps bioengineers distinguish cell responses caused by matrix structure from responses caused by other experimental variables.
Integrin receptors connect cells to the collagen matrix and help cells respond to its physical and structural environment. At the same time, embedded cells can secrete and degrade extracellular-matrix components, changing the matrix around them. This reciprocal interaction makes the model useful for studying tissue remodeling rather than observing cells as passive occupants.
Three-dimensional organization places cells within a hydrated fibrillar environment rather than on a flat culture surface. This added spatial context allows investigators to examine growth, migration, organization, and matrix remodeling in relation to gel architecture and stiffness. Consequently, the model can reveal behaviors that are less accessible in conventional two-dimensional culture.
A useful experimental design defines collagen concentration, gel architecture, and mechanical stiffness before evaluating cell behavior. Holding these variables constant across conditions makes differences in growth, migration, organization, or remodeling easier to attribute to the intended matrix change. This controlled approach is especially valuable when testing biomaterial designs or comparing tissue-like environments.
Collagen cell models can support wound-repair studies by allowing investigators to examine cell growth, migration, organization, and matrix remodeling within a defined three-dimensional setting. They are also relevant to regenerative medicine, where matrix structure and stiffness can be varied to study tissue-like responses. The resulting comparisons help connect material design with cellular behavior.
In bioengineering, these models provide a controllable bridge between simplified two-dimensional culture and native tissue features. Researchers can adjust collagen concentration, gel architecture, and stiffness while observing how cells respond. That combination supports biomaterial design and disease-mechanism studies because it links engineered matrix conditions to changes in cell organization and tissue remodeling.