中国组织工程研究 ›› 2014, Vol. 18 ›› Issue (36): 5764-5769.doi: 10.3969/j.issn.2095-4344.2014.36.005

• 器官移植动物模型 organ transplantation and animal model • 上一篇    下一篇

三氟拉嗪干预兔耳增生性瘢痕模型:降低瘢痕厚度的作用

关  键,王  冶   

  1. 佳木斯大学附属口腔医学院,黑龙江省佳木斯市  154002
  • 修回日期:2014-06-03 出版日期:2014-08-30 发布日期:2014-08-30
  • 通讯作者: 王冶,佳木斯大学附属口腔医学院,黑龙江省佳木斯市 154002
  • 作者简介:关键,男,黑龙江省佳木斯市人,汉族,佳木斯大学毕业,硕士,主任医师,教授,主要从事颌面外科研究。

Trifluoperazine decreases scar thickness in a rabbit model of hypertrophic scar ear

Guan Jian, Wang Ye   

  1. Medical College of Stomatology Affiliated to Jiamusi University, Jiamusi 154002, Heilongjiang Province, China
  • Revised:2014-06-03 Online:2014-08-30 Published:2014-08-30
  • Contact: Wang Ye, Medical College of Stomatology Affiliated to Jiamusi University, Jiamusi 154002, Heilongjiang Province, China
  • About author:Guan Jian, Master, Chief physician, Professor, Medical College of Stomatology Affiliated to Jiamusi University, Jiamusi 154002, Heilongjiang Province, China

摘要:

背景:增生性瘢痕常规的治疗手段包括手术切除、类固醇激素、抗代谢药、免疫抑制剂和放射疗法等,大多容易重复发作或有较严重的反应而限制了其在临床方面的使用。近年来应用钙离子阻断剂治疗增生性瘢痕取得了较为理想的进展,且不良反应小。
目的:观察钙通道阻滞剂三氟拉嗪对兔耳增生性瘢痕产生的影响。
方法:选取大耳白兔24只为实验对象,适应性饲养1周后,参照Morris和李荟元等方法建立兔耳瘢痕模型,按照随机数字表法分为3组,每组8只。造模后30 d瘢痕形成后,三氟拉嗪组、曲安奈德组分别给予三氟拉嗪、曲安奈德注射液,空白对照组不做处理。对比观察各组瘢痕增生变化情况,瘢痕增生指数,瘢痕基质金属蛋白酶2、金属蛋白酶抑制因子2、转化生长因子β1、α-平滑肌肌动蛋白及增殖细胞核抗原水平。
结果与结论:分别用药10,20 d后,3组兔耳都有肉眼可见的皮肤隆起,且无兔毛生长。三氟拉嗪组兔耳较曲安奈德组发生明显软化,颜色偏暗红;空白对照组兔耳瘢痕明显,颜色偏红。三氟拉嗪组与曲安奈德组在用药20 d后,瘢痕厚度、瘢痕指数均低于空白对照组;与空白对照组比较,三氟拉嗪组、曲安奈德组基质金属蛋白酶2的表达明显升高;金属蛋白酶抑制因子2、增殖细胞核抗原以及转化生长因子β1的表达明显降低。提示三氟拉嗪治疗兔耳瘢痕增生效果良好,有降低瘢痕厚度的作用。



中国组织工程研究
杂志出版内容重点:肾移植肝移植移植;心脏移植;组织移植;皮肤移植;皮瓣移植;血管移植;器官移植组织工程


全文链接:

关键词: 实验动物, 组织构建, 三氟拉嗪, 兔耳增生性瘢痕, 基质金属蛋白酶2, 金属蛋白酶抑制因子2, 增殖细胞核抗原

Abstract:

BACKGROUND: Conventional treatments for hypertrophic scars include excision, steroid hormones, anti-metabolite drugs, immunosuppressive agents and radiation therapy. Easy to relapse or serious reaction limits their clinical use. In recent years, application of calcium channel blockers in treatment of hypertrophic scars has made more good progresses, but little adverse reactions are obtained.
OBJECTIVE: To explore the effects of calcium channel blocker trifluoperazine on hypertrophic scar of rabbit ears.
METHODS: A total of 24 rabbits were enrolled in this study. After 1 week of accommodation, models of rabbit ear scar were established in accordance with the method of Morris and Li et al. Rabbit models were randomly assigned to three group (n=8). At 30 days after model induction, when scar formed, trifluoperazine and triamcinolone acetonide groups received trifluoperazine and triamcinolone acetonide injection. Blank control group was left intact. Changes in hyperplastic scar, hypertrophic index, levels of matrix metalloproteinase-2, tissue inhibitor of metalloproteinase-2, transforming growth factor β1, α-smooth muscle actin and proliferating cell nuclear antigen were compared and observed in each group.
RESULTS AND CONCLUSION: At 10 and 20 days after treatment, in the three groups, skin bulge was visible in rabbit ears and no rabbit hair grew. Rabbit ears had obvious softening in the trifluoperazine group compared with the triamcinolone acetonide group, showing dark red. In the blank control group, rabbit ear scar was evident and showed red color. At 20 days after treatment, scar thickness and scar index were lower in the trifluoperazine and triamcinolone acetonide groups than in the blank control group. Matrix metalloproteinase 2 expression was significantly higher, but tissue inhibitor of metalloproteinase-2 and transforming growth factor β1 levels were lower in the trifluoperazine and triamcinolone acetonide groups than in the blank control group. Results indicated that trifluoperazine obtained good proliferative effects on rabbit ear scar, and could decrease scar thickness.



中国组织工程研究
杂志出版内容重点:肾移植肝移植移植;心脏移植;组织移植;皮肤移植;皮瓣移植;血管移植;器官移植组织工程


全文链接:

Key words: trifluoperazine, cicatrix, matrix metalloproteinase-2, transforming growth factor beta 1, proliferating cell nuclear antigen

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