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International Journal of Clinical and
Experimental Pathology
Int J Clin Exp Pathol 2(1):83-90;2009

Original Article
Correlation of Macrophage Inflammatory Protein-2 Expression and Brain Edema in
Rats after Intracerebral Hemorrhage

He Wu, Yuwei Cong, Dandan Wang, Ruibo Zhao and Jiping Qi

Department of Pathology, First Clinical Hospital, Harbin Medical University, Harbin 150001, PR China; Department of Pathology, the
Second Affiliated Hospital of Tsinghua University, Beijing 100049, PR China and Pathology Centralab, Harbin Medical University, Harbin
150086, PR China

Received 10 March 2008; Accepted in revision 22 May 2008; Available online 2 June 2008

Abstract: Brain edema is one of the most frequent and serious complications of intracerebral hemorrhage (ICH), but its underlying
mechanism remains largely unknown. In order to understand whether inflammatory mediators released from the blood after cerebral
hemorrhage plays a role in brain edema, we investigated the dynamic change of the inflammatory mediator macrophage inflammatory
protein-2 (MIP-2) in rat brain after ICH. Our results indicate that the expression of MIP-2 increases 2 hours and peaks 2 days after ICH.
The expression of MIP-2 correlates with NF-κB activation and brain water content. These results suggest that MIP-2 expression may play
an important role in the development of brain edema after ICH in rats. (IJCEP803001).

Key Words: MIP-2, NF-κB, brain edema, intracerebral hemorrhage

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Address all correspondences to: Jiping Qi, Department of Pathology, First Clinical Hospital, Harbin Medical University, Harbin 150001,
PR China. Email:
qi_jiping@hotmail.com