文章摘要
杜蕊,段佛龙,李金璐,徐小丹,蒋大兵,秦燕.纳米银凝胶对小鼠直肠溃疡模型的影响[J].,2017,(05):55-57
纳米银凝胶对小鼠直肠溃疡模型的影响
Effect of Nano Silver gel on rectal ulcer in mice
  
DOI:
中文关键词: 【关键词】纳米银  直肠溃疡  治疗效果
英文关键词: Keywords:NanoSilver  RectalUlcer  TherapeuticEffect
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作者单位E-mail
杜蕊,段佛龙,李金璐,徐小丹,蒋大兵,秦燕 大理大学基础医学院 2816979867@qq.com 
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中文摘要:
      【摘 要】目的:观察纳米银凝胶治疗右旋葡聚糖硫酸钠(DSS) 诱导的小鼠直肠溃疡的有效性。方法:30只昆明小鼠随机分为3组,每组10只。模型组、治疗组小鼠自由饮用4% DSS溶液,连续7d,同时给予对照组饮用冷却白开水。第8天,治疗组小鼠行纳米银凝胶灌肠治疗(0.1mL/只·d),其余小鼠给予等量单纯凝胶灌肠,共7d。每天监测小鼠体重,大便性状和隐血情况。后处死小鼠,HE染色观察直肠组织的病理学改变。结果:纳米银凝胶治疗7d后,治疗组小鼠体重增加,与模型组比较差异有统计学意义(P<0.05);直肠炎疾病活动指数评分模型组小鼠在治疗前后无统计学差异(P>0.05),而治疗组小鼠的评分值在治疗前后有统计学差异(P<0.05)。病理形态学显示:模型组小鼠直肠黏膜上皮坏死脱落,可见明显溃疡灶,而治疗组小鼠直肠形态明显改善。结论:纳米银凝胶对小鼠直肠溃疡具有一定的治疗作用,为纳米银凝胶拓展新用途提供了理论依据。
英文摘要:
      Abstract:ObjectiveToobservetheeffectofNanoSilvergelontherectalulcermodelinducedbydextransulfatesodium(DSS)inmice,andtoextenditsapplicationinclinic.Methods30miceweredividedinto3groupsrandomly,10ineachgroupThemodelgroupandtheNanoSilvergeltreatmentgroupweregivenfreedrinking4% DSSsolutionfor7days.7dayslater,themiceintreatmentgroupwerereceiveddailyclysistherapyofNanoSilvergel(01ml),othersmicewerereceiveddailyequalamountpuregelfor7daysTheweightofmice,fecescharacterandoccultbloodwerecheckedeveryday.Themicewerekilledatthe8thday,ThehistologicalchangesoftherectaltissueweredeterminedbyHEstaining.ResultsAfter7daystreatmentofNanoSilvergel,andcomparedwiththemodelgroup,theweightofmiceinthetreatmentgroupincreasedmarkedly(P<0.05)Themodelgroupproctitisdiseaseactivityindexvaluehadnostatisticalsignificancebeforeandafterthetreatment(P>0.05);Butproctitisdiseaseactivityindexvalueofthetreatmentgrouphadstatisticalsignificance(P<0.05)Themodelgroupmicerectummucosalepitheliumnecrosisfallsoff,clearlyvisibleulcersButthehistologicalchangesofrectumwasbetterinthetreatmentgroupmice.ConclusiontheNanoSilvergelhasacertaintherapeuticeffectontherectalulcerinmice,whichprovidesatheoreticalbasisforthenewapplicationofNanosilvergel.
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