Ecm Degradation
Ecm Degradation - Related Videos
01:23
Role of Matrix Metalloproteases in Degradation of ECM
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2023
Matrix metalloproteases (MMPs) are enzymes involved in the hydrolysis of proteins and glycoproteins of the extracellular matrix. MMPs are essential for the migration and proliferation of cells through the dense matrix network, throughout embryonic development, and throughout morphogenesis. The first MMP activity discovered was a collagenase in a tadpole's tail undergoing metamorphosis. The active collagen deposition and modifications lead to the morphogenesis of tadpoles into the adult body. A...
06:26
PTM Based Tumor Microenvironment Monitoring: A Method for Tracking Changes in ECM Rigidity Using Tumor Spheroids
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2023
This protocol describes a technique for monitoring extracellular matrix rigidity changes by using particle-tracking microrheology (PTM). This is done by culturing 3D pancreatic tumor spheroids into ECM with embedded fluorescent probes for video particle-tracking and analysis.
02:58
Regulated Protein Degradation
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2020
It is vital to regulate the activity of enzymatic as well as non-enzymatic proteins inside the cell. This can be achieved either through creating a balance between their rate of synthesis and degradation or regulating the intrinsic activity of the protein. Both these regulation mechanisms play an essential role in the normal functioning of cells. Protein degradation plays two important roles in the cells. It helps to protect cells from misfolded or damaged proteins before they lead to a...
02:11
Proteins: From Genes to Degradation
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2020
Within a biological system, the DNA encodes the RNA, and the nucleotide sequence in the RNA further defines the amino acid sequence in the protein. This is referred to as “The Central Dogma of Molecular Biology” - a term coined by Francis Crick. Central dogma is a firm principle in biology that defines the flow of genetic information within any life form. The two fundamental steps in central dogma are - transcription and translation. Transcription is the synthesis of RNA molecules by RNA...
16:33
ECM Protein Nanofibers and Nanostructures Engineered Using Surface-initiated Assembly
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Cited by 17 •
2014
A method to obtain nanofibers and complex nanostructures from single or multiple extracellular matrix proteins is described. This method uses protein-surface interactions to create free-standing protein-based materials with tunable composition and architecture for use in a variety of tissue engineering and biotechnology applications.
FAQs
Proteases drive ECM degradation by cleaving matrix molecules at the molecular level. Matrix metalloproteinases are one important protease group identified in this process, and collagen and fibronectin are examples of their substrates. The extent of cleavage depends on enzyme activity and surrounding biochemical conditions, so degradation can vary across tissue environments.
Inhibitors provide a counterbalance to protease activity, while local biochemical conditions influence how effectively those enzymes act on matrix molecules. Together, these controls determine whether degradation remains limited or becomes more extensive. Accounting for both factors helps researchers interpret remodeling behavior and regulate matrix changes in engineered tissue environments.
The degree of ECM degradation can influence whether an engineered scaffold continues to support cell adhesion, permits cell migration, or allows replacement by newly formed native matrix. Excessive or insufficient breakdown may therefore alter scaffold behavior. Regulating degradation helps bioengineers align matrix remodeling with the intended development of engineered tissue.
A useful assessment considers the proteases acting on the matrix, the structural molecules being cleaved, the activity of inhibitors, and the surrounding biochemical conditions. Researchers can then relate these variables to changes in scaffold structure and cell behavior. This framework supports controlled study of matrix remodeling rather than treating degradation as an isolated event.
In tissue engineering, researchers study and regulate ECM degradation to design scaffolds that accommodate changing cellular needs. Controlled matrix breakdown can support cell adhesion and migration while creating conditions for replacement of native matrix. This makes degradation a design variable when developing engineered tissues intended to remodel rather than remain static.
Models of ECM degradation can inform studies of wound healing, development, and disease-associated tissue remodeling. Comparing how protease activity, inhibitors, and biochemical conditions shape matrix changes provides context for these processes. In bioengineering, such models also help connect controlled scaffold remodeling with broader patterns of tissue organization and repair.