Collagen Scaffold Degradation
Collagen Scaffold Degradation - Related Videos
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.
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...
05:20
Three-Dimensional Collagen Matrix Scaffold Implantation as a Liver Regeneration Strategy
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Cited by 2 •
2021
Liver diseases are induced by many causes that promote fibrosis or cirrhosis. Transplantation is the only option for recovering health. However, given the scarcity of transplantable organs, alternatives must be explored. Our research proposes the implantation of collagen scaffolds in liver tissue from an animal model.
10:49
Doxycycline Loaded Collagen-Chitosan Composite Scaffold for the Accelerated Healing of Diabetic Wounds
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Cited by 2 •
2021
The prepared DOX-CL scaffold satisfied the prerequisites of an ideal DW dressing in mechanical strength, porosity, water absorption, degradation rate, sustained release, anti-bacterial, biocompatibility, and anti-inflammatory properties, which are considered to be essential for the recovery of damaged tissue in DWs.
06:17
Engineered 3D Silk-collagen-based Model of Polarized Neural Tissue
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Cited by 32 •
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.
FAQs
Tumor cells, cancer-associated fibroblasts, and infiltrating immune cells can all contribute by releasing matrix metalloproteinases and other proteases. These enzymes cleave collagen fibers, linking cellular activity to changes in the surrounding scaffold. Comparing degradation under different cellular compositions can help identify which populations are associated with matrix remodeling in a three-dimensional cancer model.
Changes in porosity and mechanical cues provide two distinct consequences of collagen breakdown. Altered pore structure can change the physical environment through which cells invade, while modified mechanical signals can influence how cells experience surrounding matrix. Measuring both features helps connect enzymatic cleavage with invasion behavior and tissue remodeling.
Protease inhibitors are useful controls because they can test whether observed changes depend on enzymatic collagen cleavage rather than on cellular presence alone. In cancer models, comparing untreated and inhibitor-exposed scaffolds can clarify the contribution of protease activity to matrix remodeling and invasion, while also providing a way to evaluate treatment response.
A basic workflow begins with a three-dimensional collagen model containing the cancer-relevant cell populations under study. Researchers then measure scaffold degradation and relate it to cell invasion and extracellular matrix remodeling. Parallel conditions can include protease inhibitors or anticancer treatments, allowing outcomes to be compared across experimental groups.
Measurements can reveal whether a treatment or protease inhibitor changes collagen remodeling, cell invasion, or both. Because degradation may alter scaffold porosity and mechanical cues, interpreting these outcomes together helps distinguish effects on the matrix from effects on cellular behavior. The results can indicate how experimental conditions affect the tumor microenvironment in the model.
Three-dimensional collagen models are relevant when the goal is to study how tumors breach tissue barriers in a setting that includes matrix structure. They support investigations of metastasis-related invasion, extracellular matrix remodeling, and responses to protease inhibitors or anticancer treatments. This makes scaffold degradation a useful readout for comparing therapeutic strategies and model relevance.