Related Experiment Video

Updated: Aug 19, 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

[Role of matrix metalloproteinases in the pathogenesis of multiple sclerosis]

Jacek Kurzepa1, Halina Bartosik-Psujek, Danuta Suchozebrska-Jesionek

  • 1Katedra i Zakład Biochemii, Katedra i Klinika Neurologii, Akademia Medyczna im. prof. Feliksa Skubiszewskiego w Lublinie, ul. Jaczewskiego 8, 20-954 Lublin, Poland.

Neurologia I Neurochirurgia Polska
|March 1, 2005
PubMed

Insights

Matrix metalloproteinases (MMPs) are implicated in multiple sclerosis (MS) pathogenesis by disrupting the blood-brain barrier and myelin. Treatments for MS aim to reduce MMPs expression, highlighting their role in disease progression and management.

Area of Science:

  • Neuroimmunology
  • Biochemistry

Context:

  • Multiple sclerosis (MS) is an autoimmune disorder characterized by central nervous system inflammation and demyelination.
  • Key pathological features include lymphocyte infiltration and myelin sheath degradation.
  • Altered activity of matrix metalloproteinases (MMPs) and tissue inhibitors of MMPs (TIMPs) is observed in MS patients.

Purpose:

  • To investigate the role of matrix metalloproteinases (MMPs) in the pathogenesis of multiple sclerosis (MS).
  • To explore the correlation between MMPs activity and disease progression in MS.
  • To understand the impact of MMPs on the blood-brain barrier and myelin integrity.

Summary:

  • Elevated activity of MMP-1, -2, -3, -7, -9, and -12 was detected in serum, cerebrospinal fluid, and brain tissue of MS patients.
  • MMPs contribute to MS by breaching the blood-brain barrier, facilitating lymphocyte entry into the CNS, and degrading myelin proteins.
  • MMPs also promote the pro-inflammatory cytokine tumor necrosis factor alpha, exacerbating neuroinflammation.

Impact:

  • MMPs are critical players in MS pathogenesis, influencing neuroinflammation and tissue damage.
  • Current MS therapeutic strategies focus on downregulating MMPs expression.
  • Understanding MMPs' multifaceted roles offers potential targets for novel MS treatments.

More Related Videos

Detection of Functional Matrix Metalloproteinases by Zymography09:30

Detection of Functional Matrix Metalloproteinases by Zymography

Published on: November 8, 2010

Related Concept Videos

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...
Multiple Sclerosis l: Introduction01:19

Multiple Sclerosis l: Introduction

Multiple sclerosis is a chronic autoimmune disease of the central nervous system (CNS) that affects the brain, spinal cord, and optic nerves. It is an inflammatory demyelinating disorder and a leading cause of neurological disability in young adults.EpidemiologyMS commonly begins between 20 and 40 years of age and is twice as common in women. Its exact cause remains unclear, but genetic susceptibility contributes, with higher risk in first-degree relatives and identical twins. A greater...
The Extracellular Matrix01:42

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 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...
Mesenchymal Stem Cells01:19

Mesenchymal Stem Cells

Mesenchymal stem cells (MSCs) are adult stem cells that can differentiate into most connective tissue cell types, except for hematopoietic cells, depending upon the source of MSCs. For example, bone-marrow-derived MSCs (BM-MSCs) can differentiate into osteocytes, hepatocytes, and pancreatic and neuronal cells. MSCs can be isolated from various sources such as bone marrow, placenta, adipose tissue, teeth, and Wharton’s jelly, a gelatinous substance in the umbilical cord. The ease of their access...
T Cell Types and Functions01:24

T Cell Types and Functions

When T cells with CD4 markers are activated, they give rise to two types of effector cells: helper T cells and regulatory T cells. Meanwhile, T cells with CD8 markers differentiate into effector cytotoxic T cells. The differentiation of CD4 T cells into helper T cell subsets, such as Th1, Th2, and Th17 cells, is dependent on the antigen type, antigen-presenting cell, and regulatory cytokines.
Th1 cells stimulate dendritic cells to express necessary co-stimulatory molecules on their surfaces for...