Inflammatory Response and Neuronal Necrosis in Rats with Cerebral Ischemia

Overview

Journal Neural Regen Res

Date 2014 Nov 26

PMID 25422636

Citations 9

Authors

Lingfeng Wu

Kunnan Zhang

Guozhu Hu

Haiyu Yan

Chen Xie

Xiaomu Wu

Affiliations

Soon will be listed here.

Abstract

In the middle cerebral artery occlusion model of ischemic injury, inflammation primarily occurs in the infarct and peripheral zones. In the ischemic zone, neurons undergo necrosis and apoptosis, and a large number of reactive microglia are present. In the present study, we investigated the pathological changes in a rat model of middle cerebral artery occlusion. Neuronal necrosis appeared 12 hours after middle cerebral artery occlusion, and the peak of neuronal apoptosis appeared 4 to 6 days after middle cerebral artery occlusion. Inflammatory cytokines and microglia play a role in damage and repair after middle cerebral artery occlusion. Serum intercellular cell adhesion molecule-1 levels were positively correlated with the permeability of the blood-brain barrier. These findings indicate that intercellular cell adhesion molecule-1 may be involved in blood-brain barrier injury, microglial activation, and neuronal apoptosis. Inhibiting blood-brain barrier leakage may alleviate neuronal injury following ischemia.

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