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Role of Matrix Metalloproteases in Degradation of ECM01:23

Role of Matrix Metalloproteases in Degradation of ECM

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...
The Extracellular Matrix01:42

The Extracellular Matrix

Overview
The Extracellular Matrix01:29

The Extracellular Matrix

Overview
In order to maintain tissue organization, many animal cells are surrounded by structural molecules that make up the extracellular matrix (ECM). Together, the molecules in the ECM maintain the structural integrity of tissue as well as the remarkable specific properties of certain tissues.
Composition of the Extracellular Matrix
The extracellular matrix (ECM) is commonly composed of ground substance, a gel-like fluid, fibrous components, and many structurally and functionally diverse...
Translocation of Proteins into the Mitochondria01:19

Translocation of Proteins into the Mitochondria

Mitochondrial precursors are translocated to the internal subcompartments via independent mechanisms involving distinct protein machineries called translocases.
Sorting of outer membrane proteins:
Mitochondrial outer membrane proteins are of two types: the transmembrane, beta-barrel porins, and the membrane-anchored, alpha-helical proteins. Beta-barrel porin precursors are translocated by the TOM complex and inserted into the outer mitochondrial membrane by the SAM complex. In contrast,...
Metastasis02:30

Metastasis

Metastasis is the spread of cancer cells from the original site to distant locations in the body. Cancer cells can spread via blood vessels (hematogenous) as well as lymph vessels in the body.
Epithelial-to-Mesenchymal Transition
The epithelial-to-mesenchymal transition or EMT is a developmental process commonly observed in wound healing, embryogenesis, and cancer metastasis. EMT is induced by transforming growth factor-beta (TGF-β) or receptor tyrosine kinase (RTK) ligands, which further...
Cell-matrix's Response to Mechanical Forces01:13

Cell-matrix's Response to Mechanical Forces

In animal cells, the extracellular matrix allows cells within tissues to withstand external stresses and transmits signals from the outside of the cell to the inside. The extracellular matrix is extensive, and its composition varies between different types of tissues. For example, the reticular fibers and ground substance make up the ECM in loose connective tissue, while collagen and bone minerals make up the ECM of bone tissue. 
Anchoring junctions mechanically attach a cell to the...

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Related Experiment Video

Updated: May 21, 2026

Bacterial Expression and Purification of Human Matrix Metalloproteinase-3 using Affinity Chromatography
07:32

Bacterial Expression and Purification of Human Matrix Metalloproteinase-3 using Affinity Chromatography

Published on: March 30, 2022

Matrix metalloproteinases.

Viola Vargová1, Marek Pytliak, Viola Mechírová

  • 13rd Internal Clinic, Faculty of Medicine, UPJS, Kosice, Slovakia. viola.vargova@upjs.sk

Experientia Supplementum (2012)
|May 31, 2012
PubMed
Summary
This summary is machine-generated.

Extracellular matrix remodeling, regulated by matrix metalloproteinases (MMPs), is vital for cell functions and tissue integrity. Dysregulation of MMPs contributes to various diseases, highlighting their critical role in health and pathology.

More Related Videos

Detection of Functional Matrix Metalloproteinases by Zymography
09:30

Detection of Functional Matrix Metalloproteinases by Zymography

Published on: November 8, 2010

Related Experiment Videos

Last Updated: May 21, 2026

Bacterial Expression and Purification of Human Matrix Metalloproteinase-3 using Affinity Chromatography
07:32

Bacterial Expression and Purification of Human Matrix Metalloproteinase-3 using Affinity Chromatography

Published on: March 30, 2022

Detection of Functional Matrix Metalloproteinases by Zymography
09:30

Detection of Functional Matrix Metalloproteinases by Zymography

Published on: November 8, 2010

Area of Science:

  • Biochemistry
  • Cell Biology
  • Molecular Biology

Background:

  • Extracellular matrix (ECM) remodeling is essential for physiological processes like cell migration and development.
  • ECM changes are critical in pathological conditions including cancer metastasis and heart disease.
  • Proteolytic enzymes, particularly matrix metalloproteinases (MMPs), regulate ECM component degradation.

Purpose of the Study:

  • To elucidate the role of matrix metalloproteinases (MMPs) in regulating extracellular matrix (ECM) remodeling.
  • To understand the involvement of MMPs in both physiological and pathological cellular events.
  • To highlight the significance of MMPs as controllers of the cell microenvironment.

Main Methods:

  • Review of existing literature on ECM remodeling and MMP function.
  • Analysis of the proteolytic activities of MMPs on ECM components.
  • Examination of MMPs' interactions with growth factors, receptors, and other signaling molecules.

Main Results:

  • MMPs are key regulators of ECM structure and function.
  • MMPs process various molecules, influencing cell behavior and tissue integrity.
  • Overactivation of MMPs is linked to numerous disease states, including cancer and cardiovascular diseases.

Conclusions:

  • Matrix metalloproteinases (MMPs) play a pivotal role in regulating extracellular matrix (ECM) remodeling.
  • MMPs are crucial mediators of cellular events in both normal physiology and disease pathogenesis.
  • Understanding MMP activity is essential for developing therapeutic strategies for diseases associated with ECM dysregulation.