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Related Concept Videos

Role of Matrix Metalloproteases in Degradation of ECM01:23

Role of Matrix Metalloproteases in Degradation of ECM

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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...
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Overview of Cell-Matrix Interactions01:24

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The extracellular matrix or ECM holds cells together to form a tissue and allows the cells within the tissue to communicate. ECM comprises proteins such as fibronectin, collagen, laminin, etc. The most abundant protein in this space is collagen. Collagen fibers are interwoven with carbohydrate-containing protein molecules called proteoglycans. ECM allows cell migration and provides a structural scaffold at cell adhesion that anchors the cell when the extracellular matrix proteins interact with...
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The Extracellular Matrix01:29

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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
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Extracellular Matrix01:26

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Unlike epithelial tissue, which is composed of cells closely packed with little or no extracellular space in between, connective tissue cells are dispersed in a matrix. This extracellular matrix (ECM) is composed of fibrous proteins like collagen, elastin, and fibronectin in a ground substance consisting of interstitial fluid, cell adhesion proteins, and proteoglycans. The proteoglycans form a gel-like material in the spaces between cells and provide hydration, buffering, binding, and force...
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Matrix-Assisted Laser Desorption Ionization (MALDI)01:08

Matrix-Assisted Laser Desorption Ionization (MALDI)

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Matrix-assisted laser desorption ionization (MALDI) is a powerful analytical technique used in mass spectrometry. It enables the identification and characterization of various biomolecules, including proteins, peptides, nucleic acids, and carbohydrates. MALDI spectrometry is widely employed in biological and medical research, as well as in fields like pharmacology and biochemistry.
The analyte of interest, a biomolecule or a mixture of biomolecules, is mixed with a suitable matrix material. The...
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Matrix Proteoglycans and Glycoproteins01:21

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Proteoglycans are extensively glycosylated proteins, commonly found in the extracellular matrix, interwoven with collagen fibers. Hyaline cartilage, the most common type of cartilage in the body, consists of short and dispersed collagen fibers associated with large amounts of proteoglycans. These proteoglycans have long negative charges that attract cations, which in turn attract water molecules. This influx of ions and water molecules swells up the proteoglycan like a water-soaked gel that can...
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Related Experiment Video

Updated: Jul 5, 2025

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

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Matrix metalloproteinases at a glance.

Sven Hey1, Stefan Linder1

  • 1Institut für medizinische Mikrobiologie, Virologie und Hygiene, Universitätsklinikum Eppendorf, Martinistr. 52, 20246 Hamburg, Germany.

Journal of Cell Science
|January 18, 2024
PubMed
Summary
This summary is machine-generated.

Matrix metalloproteinases (MMPs) are crucial enzymes involved in tissue remodeling and disease. Understanding their regulation and trafficking is key to developing new therapies for cancer and other conditions.

Keywords:
Cell invasionIntracellular traffickingInvadosomesMatrix metalloproteinasesMotor proteinsProteolysisRab GTPases

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Area of Science:

  • Biochemistry and Molecular Biology
  • Cell Biology
  • Pathology

Background:

  • Matrix metalloproteinases (MMPs) are zinc-dependent endopeptidases.
  • MMPs degrade extracellular matrix and cell-surface proteins, impacting physiological and pathological processes.
  • MMPs are implicated in tissue homeostasis and cancer cell invasion.

Conclusions:

  • MMP regulation and trafficking are critical for their diverse roles in health and disease.
  • Targeting MMPs offers therapeutic potential for cancer, infectious, inflammatory, and neurological diseases.
  • Further research into MMPs' complex functions is essential for therapeutic development.