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银屑病皮损中转化生长因子-α、血管内皮生长因子的表达及其与微血管密度的相关性研究

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摘要 目的探讨转化生长因子-α(TGF-α)及血管内皮生长因子(VEGF)在银屑病皮损中表达及其与血管生成的相关性。方法采用sP免疫组化法检测寻常型银屑病患者皮损处TGF—α、VEGF及微血管密度(MVD)的表达情况,并以正常人皮肤作对照。结果银屑病组VEGF在表皮层表达高于对照组。银屑病组皮损组织中TGF-α阳性表达率为86.7%(26/30)与对照组的10.0%(3/30)差异有统计学意义(χ2=16.456,P〈0.01);银屑病组皮损组织中VEGF阳性表达率为83.3%(2/30)与对照组的13.3%(4/30)差异有统计学意义(χ2=29.997,P〈0.01)。银屑病组皮损中MVD计数(23.62±5.73)明显高于对照组的(6.84±2.57)(t=14.63,P〈0.01)。银屑病组皮损中的TGF—α、VEGF表达与MVD呈正相关(r=0.672、0.735,均P〈0.01),TGF-α与VEGF的表达也呈正相关(r=0.821,P〈0.05)。结论银屑病患者皮损中TGF-α、VEGF及MVD的表达水平均增高,三者在银屑病皮损的形成发展过程中可能发挥协同促进调节作用。
作者 滕宁燕
出处 《中国基层医药》 CAS 2012年第11期1699-1700,共2页 Chinese Journal of Primary Medicine and Pharmacy
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