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外用重组人粒细胞巨噬细胞集落刺激因子提高微粒皮移植成活率的实验研究 被引量:9

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摘要 目的:观察外用重组人粒细胞巨噬细胞集落刺激因子(rh GM-CSF)凝胶是否能提高脱细胞猪皮覆盖微粒皮移植成活率。方法:将18只实验兔随机分成3组,在每只兔背部两侧各切掉约5 cm×5 cm大小的全层皮肤,左右部位随机分为实验组与对照组。将取下皮肤的1/10制成微粒皮回植于创面,实验组覆盖涂有rh GM-CSF凝胶的脱细胞猪皮;对照组部位单纯覆盖脱细胞猪皮。打包固定。3组分别于术后第1、2、3周3个时间点拆包观察猪皮外观及创面愈合情况,并在对称部位取组织行HE染色、免疫组化染色检测增殖细胞核抗原(PCNA)及CD31,以评估创面修复情况。结果:术后第1周实验组创面上皮化明显多于对照组,第2周实验组创面愈合率高于对照组(P<0.01),第3周实验组创面基本愈合,对照组仍有残余创面,两组比较差异有显著性(P<0.01);行免疫组化染色检测CD31及PCNA,3组CD31显示微血管密度(MVD)结果实验组均多于对照组(P<0.01);PCNA表达的阳性率第1周实验组明显高于对照组(P<0.01),两组在第2、3周已愈合的组织比较差异无统计学意义(P>0.05),未愈合的组织中实验组高于对照组(P<0.01)。结论:外用rh GM-CSF凝胶可加速创面的新生血管化及再上皮化进程,从而提高微粒皮移植的成活率,提高创面的愈合率。
出处 《实用医学杂志》 CAS 北大核心 2015年第9期1407-1410,共4页 The Journal of Practical Medicine
基金 云南省卫生科技内设研究机构项目(编号:2011ws0089) 首批金塞烧伤外科医师科研基金项目
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参考文献11

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二级参考文献27

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