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Published on: July 3, 2014
Matrix Metalloproteinases in Acute Intracerebral Hemorrhage
Simona Lattanzi1, Mario Di Napoli2, Silvia Ricci2
1Neurological Clinic, Department of Experimental and Clinical Medicine, Marche Polytechnic University, Ancona, Italy.
Insights
Matrix metalloproteinases (MMPs) are key players in brain injury after spontaneous intracerebral hemorrhage (ICH). Understanding their role is crucial for developing new treatments for this severe stroke type.
Area of Science:
- Neurology
- Biochemistry
- Pathophysiology
Background:
- Spontaneous intracerebral hemorrhage (ICH) is a severe stroke subtype with high mortality and disability rates.
- Current treatments primarily address primary brain injury but have shown limited success.
- Understanding the pathophysiology of early and delayed injury is critical for developing effective therapeutic strategies.
Purpose of the Study:
- To review the role of matrix metalloproteinases (MMPs) in brain injury following spontaneous ICH.
- To summarize experimental and clinical evidence on MMPs in ICH.
- To provide insights into the underlying mechanisms of MMPs in ICH pathophysiology.
Main Methods:
- Literature review of experimental and clinical studies.
- Analysis of the role of MMPs in ICH.
- Examination of MMP synthesis and secretion by various brain cells.
Main Results:
- Matrix metalloproteinases (MMPs) are upregulated after ICH.
- MMPs are synthesized and secreted by multiple cell types, including leukocytes, microglia, neurons, and endothelial cells.
- Evidence suggests MMPs play a significant role in brain injury following ICH.
Conclusions:
- Matrix metalloproteinases (MMPs) are implicated in the pathophysiology of spontaneous intracerebral hemorrhage.
- Further research into MMPs may reveal novel therapeutic targets for ICH.
- Targeting MMPs could potentially improve outcomes for patients with ICH.
Abstract:
Spontaneous intracerebral hemorrhage (ICH) accounts for 10-30% of all strokes and affects more than one million people every year worldwide, and it is the stroke subtype associated with the highest rates of mortality and residual disability. So far, clinical trials have mainly targeted primary cerebral injury and have substantially failed to improve clinical outcomes. The understanding of the pathophysiology of early and delayed injury after ICH is, hence, of paramount importance to identify potential targets of intervention and develop effective therapeutic strategies. Matrix metalloproteinases (MMPs) represent a ubiquitous superfamily of structurally related zinc-dependent endopeptidases able to degrade any component of the extracellular matrix. They are upregulated after ICH, in which different cell types, including leukocytes, activated microglia, neurons, and endothelial cells, are involved in their synthesis and secretion. The aim of this review is to summarize the available experimental and clinical evidence about the role of MMPs in brain injury following spontaneous ICH and provide critical insights into the underlying mechanisms.
