Basement Membrane Degradation
Basement Membrane Degradation - Related Videos
04:34
3D Culture Basement Membrane Assay: Culturing Cancer Cells on 3D Basement Membrane Protein Matrix to Study Cell Invasion
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2023
This video provides a detailed methodology to grow breast cancer cells in a 3D basement membrane protein matrix, exemplifying the potential of 3D culture in the assessment of cell invasion into the surrounding environment.
13:18
How to Study Basement Membrane Stiffness as a Biophysical Trigger in Prostate Cancer and Other Age-related Pathologies or Metabolic Diseases
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Cited by 4 •
2016
Here we explain a protocol for modelling the biophysical microenvironment where crosslinking and increased stiffness of the basement membrane (BM) induced by advanced glycation endproducts (AGEs) has pathological relevance.
12:48
Purification of the Membrane Compartment for Endoplasmic Reticulum-associated Degradation of Exogenous Antigens in Cross-presentation
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Cited by 2 •
2017
The method described here is a new vesicle isolation protocol, which allows for the purification of the cellular compartments where exogenous antigens are processed by endoplasmic reticulum-associated degradation in cross-presentation.
07:43
Assaying Proteasomal Degradation in a Cell-free System in Plants
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Cited by 26 •
2014
Targeted protein degradation represents a major regulatory mechanism for cell function. It occurs via a conserved ubiquitin-proteasome pathway, which attaches polyubiquitin chains to the target protein that then serve as molecular “tags” for the 26S proteasome. Here, we describe a simple and reliable cell-free assay for proteasomal degradation of proteins.
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...
FAQs
Basement membrane degradation depends on proteolytic cleavage rather than on a single enzyme. Cells and infiltrating immune populations can release matrix metalloproteinases and serine proteases, which target structural components including collagen and laminin. The resulting enzymatic activity changes the extracellular matrix locally, while endogenous inhibitors and nearby signaling conditions determine whether remodeling remains controlled or becomes excessive.
Endogenous inhibitors restrain the proteases responsible for matrix breakdown, creating a biochemical balance between tissue remodeling and structural preservation. Local signaling conditions further influence how strongly these enzymes act and where degradation occurs. This regulation matters because the same proteolytic machinery can support useful remodeling during development or healing, yet produce harmful tissue disruption when control is lost.
The biological effect depends on whether degradation is controlled and appropriately positioned within tissue. Limited activity can permit remodeling needed for normal development, wound repair, or new vessel formation. Excessive or misdirected activity can instead remove structural barriers in inappropriate settings, creating conditions associated with tumor invasion, metastasis, inflammation, or vascular dysfunction.
Controlled basement membrane breakdown contributes to wound healing, angiogenesis, and normal tissue development. In these settings, proteolytic activity helps remodel the extracellular environment while regulatory mechanisms limit the extent of structural loss. Studying this balance in biology clarifies how tissues change during repair and growth without assuming that degradation is inherently pathological.
When protease activity becomes excessive or misdirected, degradation can weaken the extracellular barrier between cell layers and underlying tissue. This condition is linked in the source material to tumor cell invasion and metastasis, as well as inflammation and vascular dysfunction. The disease relevance therefore lies not only in enzyme presence, but also in inappropriate intensity or location of activity.
The process connects normal tissue remodeling with several disease-associated outcomes, making its regulation a potential research target. Investigators can examine the roles of matrix metalloproteinases, serine proteases, endogenous inhibitors, and local signaling conditions to understand when remodeling remains beneficial. This context supports therapeutic research aimed at addressing harmful invasion, inflammation, metastasis, or vascular dysfunction without disrupting normal repair and development.