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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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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.
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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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Extracellular Matrix01:26

Extracellular Matrix

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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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The Extracellular Matrix01:29

The Extracellular Matrix

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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.
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Mitochondrial precursors are translocated to the internal subcompartments via independent mechanisms involving distinct protein machineries called translocases.
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Related Experiment Video

Updated: Aug 14, 2025

Detection of Functional Matrix Metalloproteinases by Zymography
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Labelling Matrix Metalloproteinases.

Run-Fu Zhang1, Bing Zhang2, Wang Chang-Jiang2

  • 1Centre of Chemical Biology, Department of Chemistry, Yanbian University, Yanji, Jilin 133002, China.

Current Medicinal Chemistry
|January 16, 2023
PubMed
Summary
This summary is machine-generated.

Matrix metalloproteinases (MMPs) are crucial in health and disease. Recent advances focus on MMP labelling methods, though selective labelling of specific MMPs remains a challenge.

Keywords:
Matrix metalloproteinasebiological targetingfluorescent probeprotein labellingradioactive labellingzinc-containing proteases

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Area of Science:

  • Biochemistry and Molecular Biology
  • Enzymology
  • Biomedical Research

Background:

  • Matrix metalloproteinases (MMPs) are zinc-dependent proteases involved in numerous physiological and pathological processes.
  • MMPs serve as critical biomarkers for diseases like inflammation, neurological disorders, and various cancers.
  • The growing recognition of MMPs' roles has spurred significant interest in their detection and labelling.

Approach:

  • This review systematically examines recent advancements in matrix metalloproteinase labelling technologies and reagents.
  • A comprehensive literature search was conducted using keywords such as 'MMPs' and 'labelling' across major scientific databases (ScienceDirect, Scifinder, Web of Science, PubMed).
  • Typical cases were analyzed to provide an inductive overview of current MMP labelling methodologies.

Key Points:

  • Significant progress has been made in developing reagents and technologies for MMP labelling.
  • Current MMP labelling methods have enabled a deeper understanding of the MMP network and its functions.
  • Despite advancements, achieving selective labelling of individual MMPs presents an ongoing challenge in the field.

Conclusions:

  • The development of MMP labelling techniques is rapidly advancing, driven by their importance as disease biomarkers.
  • This review highlights key innovations in MMP labelling, offering insights into their application in biomedical research.
  • Future research efforts should focus on overcoming the limitations in selective MMP labelling to enhance diagnostic and therapeutic strategies.