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The Extracellular Matrix

The Extracellular Matrix

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 MatrixThe extracellular matrix (ECM) is commonly composed of ground substance, a gel-like fluid, fibrous components, and many structurally and functionally diverse molecules.

The Extracellular Matrix

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...

Role of Matrix Metalloproteases in Degradation of ECM

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...

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Related Experiment Video

Updated: Jun 25, 2026

Detection of Functional Matrix Metalloproteinases by Zymography

Detection of Functional Matrix Metalloproteinases by Zymography

Published on: November 9, 2010

Matrix metalloproteinases. A review.

H Emonard¹, J A Grimaud

¹Laboratoire de Pathologie Cellulaire, CNRS URA 602, Institut Pasteur, Lyon, France.

Cellular and Molecular Biology

|January 1, 1990

Summary

This summary is machine-generated.

Matrix metalloproteinases (MMPs) are key enzymes that break down extracellular matrix. While essential for tissue repair, their abnormal activity contributes to various diseases.

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Area of Science:

Biochemistry
Molecular Biology
Cell Biology

Background:

Matrix metalloproteinases (MMPs) are a group of enzymes crucial for extracellular matrix (ECM) degradation.
MMPs play vital roles in normal physiological processes, including tissue remodeling and repair.
Dysregulation of MMPs is implicated in the pathogenesis of numerous diseases.

Purpose of the Study:

To elucidate the fundamental role of matrix metalloproteinases in ECM remodeling.
To investigate the link between MMPs' abnormal expression and pathological conditions.
To provide a comprehensive overview of MMPs' involvement in both normal and disease states.

Main Methods:

Literature review of studies on matrix metalloproteinases.
Analysis of biochemical pathways involving ECM degradation.
Examination of genetic and expression data related to MMPs in disease models.

Main Results:

Matrix metalloproteinases are the primary enzymes responsible for degrading ECM components.
MMPs are integral to connective tissue remodeling during normal biological functions.
Aberrant MMP expression is a significant factor in the development of pathological conditions.

Conclusions:

Matrix metalloproteinases are critical regulators of tissue homeostasis.
Understanding MMP function is essential for developing therapeutic strategies against diseases associated with ECM degradation.