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·药学研究·


          栀续烫伤膏对深Ⅱ度烧伤模型大鼠皮肤的修复作用及机制
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          刘 娇 ,梁 潇 ,胡 涛 ,邓万娟 ,阮婧华 ,钱海兵 (1.贵州中医药大学药学院,贵阳 550025;2.贵州中
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          医药大学基础医学院,贵阳 550025;3.贵州中医药大学第一附属医院药剂科,贵阳 550001)
          中图分类号  R965;R285.5      文献标志码  A      文章编号  1001-0408(2023)11-1320-06
          DOI  10.6039/j.issn.1001-0408.2023.11.07
          摘   要  目的  研究栀续烫伤膏对深Ⅱ度烧伤模型大鼠皮肤的修复作用及机制。方法  采用控温烫伤仪构建深Ⅱ度烧伤模型大
          鼠,将造模成功的大鼠随机分为模型组、京万红软膏组和栀续烫伤膏高、中、低剂量组(规格分别为20 g药芯+20 mL润湿剂、10 g
          药芯+20 mL润湿剂、5 g药芯+20 mL润湿剂),另设空白对照组(只进行脱毛处理,不造模),每组10只。各给药组大鼠分别给予相
          应药物,空白对照组大鼠不作任何处理,模型组大鼠给予生理盐水,每天1次,连续21 d。观察各组大鼠烧伤创面愈合情况和烧伤
          皮肤组织病理形态学变化,并计算创面愈合率;采用酶联免疫吸附测定法检测大鼠烧伤皮肤组织中血管内皮生长因子(VEGF)、白
          细胞介素1β(IL-1β)、IL-6、肿瘤坏死因子α(TNF-α)的水平;采用免疫组化法检测大鼠烧伤皮肤组织中VEGF和血小板内皮细胞
          黏附分子1(CD31)蛋白的表达水平。结果  与模型组比较,京万红软膏组和栀续烫伤膏各剂量组大鼠创面面积逐渐缩小,且在第
          21天时已极大幅度愈合,创面愈合率均显著升高(P<0.05或P<0.01);皮肤组织可见较厚的新生表皮层,真皮层中结缔组织和新生血管
          均明显增多;烧伤皮肤组织中IL-1β、IL-6、TNF-α水平均显著降低(P<0.05或P<0.01),VEGF、CD31蛋白表达水平均显著升高(P<
          0.05或P<0.01)。结论  栀续烫伤膏可修复深Ⅱ度烧伤模型大鼠皮肤,其机制可能与减轻烧伤创面炎症反应,促进血管新生有关。
          关键词  栀续烫伤膏;深Ⅱ度烧伤;愈合;血管新生;炎症因子

          Repair effects and mechanism of Zhixu burn ointment on deep second-degree burned model rats
          LIU Jiao ,LIANG Xiao ,HU Tao ,DENG Wanjuan ,RUAN Jinghua ,QIAN Haibing (1.  School  of  Pharmacy,
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          Guizhou  University  of  Traditional  Chinese  Medicine,  Guiyang  550025,  China;2.  School  of  Basic  Medicine,
          Guizhou  University  of  Traditional  Chinese  Medicine,  Guiyang  550025,  China;3.  Dept.  of  Pharmacy,  the  First
          Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang 550001, China)
          ABSTRACT    OBJECTIVE  To  study  the  repair  effect  and  mechanism  of  Zhixu  burn  ointment  on  deep  second-degree  burned
          model rats. METHODS The deep second-degree burned model was established with a temperature-controlled apparatus. The model
          rats were randomly divided into model group, Jingwanhong ointment group and Zhixu burn ointment high-dose, medium-dose and
          low-dose  groups (specifications  were  20  g  core+20  mL  wetting  agent,  10  g  core+20  mL  wetting  agent,  5  g  core+20  mL  wetting
          agent, respectively). Another blank control group (only dehairing treatment, no modeling) was set up, with 10 rats in each group.
          The rats in each administration group were given corresponding drugs, the rats in the blank control group were not treated, and the
          rats in the model group were given normal saline once a day for 21 d. The healing of burn wounds and histomorphological changes
          of  burned  skin  in  each  group  of  rats  were  observed,  and  the  healing  rate  of  wounds  was  calculated;  the  levels  of  vascular
          endothelial growth factor (VEGF), interleukin-1β (IL-1β), IL-6 and tumor necrosis factor-α(TNF-α) in the wound skin tissue of
          rats  were  detected  by  enzyme-linked  immunosorbent  assay;  immunohistochemical  method  was  used  to  detect  the  expression  levels
          of VEGF and platelet endothelial cell adhesion molecule-1 (CD31) protein in burned skin tissue. RESULTS Compared with model
          group,  the  wound  area  of  the  rats  in  the  Jingwanhong  ointment  and  Zhixu  burn  ointment  groups  gradually  decreased  and  healed
          significantly  by  day  21,  and  the  wound  healing  rate  was  significantly  higher (P<0.05  or  P<0.01);  thicker  new  epidermal  layer
          was seen in the skin tissue, and connective tissue and new blood vessels were significantly increased in the dermis; the expression
          levels  of  IL-1β,  IL-6  and  TNF-α  were  significantly  decreased (P<0.05  or  P<0.01),  and  the  expression  levels  of  VEGF  and
          CD31  protein  were  significantly  increased (P<0.05  or  P<0.01)  in  the  burned  skin  tissue.  CONCLUSIONS  Zhixu  burn  ointment
          can  repair  the  skin  of  deep  second-degree  burned  model  rats,  and  the  mechanism  may  be  related  to  reducing  the  inflammatory
          response of burn wound and promoting the angiogenesis.
                                                              KEYWORDS    Zhixu burn ointment; deep second-degree burn;
              Δ 基金项目 国家重点研发计划课题(No.2019YFC1712503)            wound healing; angiogenesis; inflammatory factors
             *第一作者 硕士研究生。研究方向:中药及民族药的基础研究与
          开发。E-mail:1659594160@qq.com
              # 通信作者 教授,博士生导师。研究方向:中药及民族药药效物                      皮肤烧伤是指由火烧伤、电烧伤、高温水烫伤等造
                                                                                [1]
          质基础及作用研究。E-mail:279753407@qq.com                    成的一类软组织受损 ,其可根据损伤程度分为Ⅰ度、Ⅱ

          · 1320 ·    China Pharmacy  2023 Vol. 34  No. 11                            中国药房  2023年第34卷第11期
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