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作 者:赵李平[1] 袁芳[2] 贺斌[1] 王明刚[1] 钟晓红[1]
机构地区:[1]安徽医科大学附属省立医院整形外科,合肥230001 [2]安徽医科大学公共卫生学院
出 处:《中华实验外科杂志》2012年第6期1083-1084,共2页Chinese Journal of Experimental Surgery
基 金:基金项目:安徽省自然科学基金资助项目(11040606M161);安徽高校省级科研基金资助项目(KJ20112205、KJ20088297);安徽省卫生厅课题资助项目(09A028)
摘 要:目的观察改性聚乳酸-I型胶原荷载骨髓间充质干细胞(BMSCs)对糖尿病大鼠创面愈合的影响。方法36只糖尿病大鼠,随机分为3组:A组:改性聚乳酸-I型胶原+BMSCs实验组;B组:改性聚乳酸-I型胶原支架对照组;C组:空白对照组,观察创面愈合及5-溴脱氧尿嘧啶核苷(5-BrdU)阳性细胞角蛋白的表达。结果A组第3、5、7、14天的创面愈合率分别为(18.20±2.68)%、(30.60±5.50)%、(57.63±9.13)%、(87.35±5.83)%,明显快于B、C组(P〈0.05),A组新生表皮较厚,新生血管及皮肤附属器多于B、C组,免疫组织化学法检测5-BrdU阳性细胞角蛋白的表达。结论改性聚乳酸-I型胶原荷载BMSCs能促进糖尿病创面的愈合。Objective To investigate the effect of modified poly L acid-type collagen I loaded with bone marrow mesenchymal stem cell (BMSCs) for diabetic wound of rat. Methods 36 diabetic rats were randomly divided into 3 groups: A (poly L acid-type collagen I + BMSCs), B (poly L acid-type collagen I) and C ( control), the wound healing was observed and the cytokeratin in 5-BrdU BMSCs was detected. Re- suits The wound healing rate in 3, 5, 7, 14 d of group A were (18. 20 ± 2. 68 ) % , (30.60±5.50)%, (57. 63 ±9. 13)%, (87. 35 ±5. 83 )% respectively and faster than group B (P 〈 0. 05) and group C ( P 〈 0. 05 ) , the newly-grown skin in group A had more blood vessel, cutaneous appendages and thicker than group B and group C, the cytokeratin were detected in the 5-BrdU BMSCs. Conclusion Modified poly L acid-type collagen I loaded with BMSCs can promote the rat diabetic wound healing.
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