PMID: 22340790Feb 22, 2012Paper

Correlation analysis between the expression of aquaporin 4 and magnetic resonance imaging of brain tissue in severely scalded rabbit with brain edema during early stage

Zhonghua shao shang za zhi = Zhonghua shaoshang zazhi = Chinese journal of burns
Yan-wei ZhangWen-jing Wu

Abstract

To observe expression pattern of aquaporin 4 (AQP4) in brain tissue of severely scalded rabbit during early stage of brain edema and its relationship with signal changes in magnetic resonance imaging (MRI), and to explore the feature of water transmembrane transportation in brain edema at early stage after severe scald. Thirty-five healthy New Zealand white rabbits were divided into control group (C, n = 5) and scald group (S, n = 30) according to the random number table. Rabbits in S group were inflicted with 50% TBSA full-thickness scald with brain edema (confirmed by histopathologic examination). At post scald hour (PSH) 1, 2, 3, 4, 5, and 6, signal change in cerebral MRI, as well as dynamic change in apparent diffusion coefficient (ADC) were examined in rabbits of S group. Specimens were harvested from frontal cortex, parietal cortex, temporal lobe cortex, basal ganglia, and cerebellum in rabbits of S group for determination of protein and gene expressions of AQP4 with immunohistochemical method and RT-PCR. Above-mentioned indexes were also determined in C group. Data were processed with one-way analysis of variance and linear correlation analysis (between protein expression of AQP4 and ADC value). There was no significant ...Continue Reading

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