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Updated: May 5, 2026

Autologous Blood Injection to Model Spontaneous Intracerebral Hemorrhage in Mice
Published on: August 24, 2011
The role of MMPs in intracerebral hemorrhage
Xiaofei Guan1,2, Meiren Li3, Huimin Li2
1School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, China.
Insights
Matrix metalloproteinases (MMPs) are linked to intracerebral hemorrhage (ICH) progression. Targeting MMPs offers potential therapeutic strategies for improving outcomes after ICH.
Area of Science:
- Neuroscience
- Biochemistry
Background:
- Intracerebral hemorrhage (ICH) causes significant disability and mortality.
- Matrix metalloproteinases (MMPs), especially MMP-9 and MMP-2, are implicated in ICH pathophysiology.
Purpose of the Study:
- To review the role of MMPs in ICH.
- To explore MMPs as potential therapeutic targets for ICH.
Main Methods:
- Literature review of animal and clinical studies on MMPs in ICH.
- Analysis of MMP structure, classification, regulation, and function in ICH.
Main Results:
- MMP expression increases in acute ICH, damaging the blood-brain barrier (BBB) and worsening edema.
- MMPs are crucial for BBB repair, angiogenesis, and neurological recovery in subacute/chronic ICH.
Conclusions:
- MMPs play a dual role in ICH, contributing to damage and repair.
- Targeting MMPs presents a promising therapeutic avenue for managing ICH.
Abstract:
Intracerebral hemorrhage (ICH) is characterized by the disruption of cerebral vascular integrity, leading to hematoma enlargement, edema formation and physical damage to brain tissue. It has an extremely high disability rate and mortality rate, with mortality rates as high as 50%, imposing considerable physical and economic burdens on patients and their families. Therefore, identifying effective therapeutic targets for ICH has become an urgent issue. In recent years, numerous animal and clinical studies have shown that matrix metalloproteinases (MMPs), particularly MMP-9 and MMP-2, are closely associated with the pathophysiological processes of ICH. During the acute phase of ICH, MMP expression increases, leading to the disruption of the blood-brain barrier (BBB), exacerbating neuroinflammation and cerebral edema. However, in the subacute and chronic phases, MMPs play a crucial role in BBB repair, angiogenesis, and neurological recovery. Therefore, MMPs hold promise as effective therapeutic targets for ICH. This article provides an overview of ICH, the primary structure, classification, regulation, and role of MMPs in the destruction of the BBB, angiogenesis, and neural repair in ICH.
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