Expression of VEGF and bFGF in rat model of pressure ulcer |
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Authors: | HUANG Fang YANG Jing-jin WANG Xue-ling HOU Yong ZHANG Yan-ping JIN Xi-qiang LIANG Yong |
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Institution: | Medical School, Taizhou University, Taizhou 318000, China |
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Abstract: | AIM:To study the effects of vascular endothelial growth factor(VEGF) and basic fibroblast growth factor(bFGF) on the molecular pathogenesis of pressure ulcer.METHODS:SD rats were randomly divided into control group and experiment group. The pressure ulcer model was established by magnetic disk circulating compression method. HE staining was used to observe the pathological changes of the skin in the rats. The expression of VEGF and bFGF in the tissues was detected by immunohistochemical method. RESULTS:The expression of VEGF and bFGF in the tissues of rat Ⅲ-degree pressure ulcer was lower than that in the surrounding tissues and normal skin(P<0.01). The changes of VEGF and bFGF were consistent(κ=0.58). CONCLUSION:The expression levels of VEGF and bFGF are decreased in the tissues of rat pressure ulcer, suggesting that they may be the potential key factors in the difficult healing of pressure ulcer. |
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Keywords: | Pressure ulcer Magnetic disk circulating compression Vascular endothelial growth factor Basic fibroblast growth factor |
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