CN111166796B - 一种治疗皮肤炎症的复方制剂及其制备方法 - Google Patents
一种治疗皮肤炎症的复方制剂及其制备方法 Download PDFInfo
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Abstract
本发明涉及提供一种治疗皮肤炎症的复方制剂及其制备方法,该制剂原料药为黄连、土大黄、玫瑰花、没食子,采用溶剂提取、除杂、浓缩或干燥,与医学上可接受的辅料制成软膏剂、凝胶剂、酊剂、涂膜剂或搽剂。该复方制剂具有抗菌、抗炎、收敛作用,用于治疗皮肤炎症包括急慢性湿疹、特异性皮炎、接触性皮炎、过敏性皮炎。药效学研究表明,本发明所述的复方制剂有效的抑制NO活性,能够抑制NO的释放,可明显的减轻皮损的炎症程度,通过升高皮炎湿疹引起的IL‑2、IL‑4、IL‑18水平降低,降低皮炎湿疹引起的TNF‑α、IL‑12水平升高,达到Th1细胞和Th2细胞平衡,起到治疗作用。
Description
技术领域
本发明涉及一种治疗皮肤炎症的复方制剂及其制备方法,尤其在制备治疗湿疹的复方药物中的用途,属于维吾尔医药及民族医药技术领域。
背景技术
湿疹是由多种内外因素引起的瘙痒剧烈的一种皮肤炎症反应。分急性、亚急性、慢性三期。急性期具渗出倾向,慢性期则浸润、肥厚。有些病人直接表现为慢性湿疹。皮损具有多形性、对称性、瘙痒和易反复发作等特点。现代研究发现,湿疹的病因与遗传因素、血液循环障碍、精神因素、代谢因素、环境因素(空气,花粉等)、饮食及细菌感染相关,其发病机制复杂,主要与免疫系统中各种细胞因子水平密切相关。
由于湿疹会在任何季节,任何部位和任何人群发病,其发病的机制很复杂,西方医学在治疗湿疹上,多在远离过敏源,避免进一步刺激的基础上,采用药物治疗,临床治疗上常用的药物有内用的抗组胺药物、镇静剂、外用的皮质激素、止痒药、润肤剂等。但以上方法往往治标不治本,只相对缓解症状,极易反复发作并且容易产生耐药性,而导致在临床上湿疹的治疗效果较差。所以,临床治疗慢性湿疹,不能仅仅局限于西医常规治疗,还应重视中医药在治疗上发挥的作用。现阶段,针对湿疹皮炎患者通常采用糖皮质激素类药物外用治疗,但长时间应用容易导致皮肤萎缩,促进毛细血管扩张,反而会使症状加重,还可能会诱发感染,因此从临床效果及不良反应等方面考虑,针对湿疹皮炎患者采用中医药治疗优势明显。针对湿疹的高发病率,寻找治疗湿疹的天然药物及提取其有效成分也已成为现代医学探索及开发新药的一种有效途径。因此,从我国的中草药中开发治疗湿疹的药物具有重要的社会意义和经济价值。
中医治疗湿疹发展迅速,积累了丰富的经验,通过辨证论治,结合个体差异,可制定个体化治疗方案,起到整体调节、改善症状及减少复发的目的。在治疗方面,治疗方法丰富多样,不再局限于单纯的口服或者外用药物,而是将一些中医特色疗法与传统治疗方法相结合,从而加速疾病的痊愈,取得更好的临床疗效。中医治疗皮肤科疾病,只是内服治疗,往往是不够的,外用药物治疗对于缓解疾病的症状,促进皮损的愈合,是十分重要的。内外配合,才能够使病人获得更迅速及更优质的治疗。中医药在治疗急慢性湿疹,特应性皮炎,过敏性皮炎,接触性皮炎方面积累了丰富的经验,在内治和外治法方面都有许多独到之处,对部分患者中药可以取代激素的治疗,改善患者免疫力,较好地缓解患者的临床症状,减少激素药物的用量和维持量。目前,回归自然的天然疗法与绿色疗法已得到人们的广泛认可,世界多国人士对我国天然药物与民族药物及其传统疗法的接受度也越来越高。
维吾尔医学是中华医药学宝库的璀璨明珠。维吾尔医学作为祖国传统医学的一部分,具有独特的医学理论体系和很多经典方剂,尤其在治疗皮肤病方面的经典方剂与治疗效果得到医学界的关注和认可。千百年来发展过程中,维医临床对湿疹的诊断模式不断成熟,并发展了独特的特色方药治疗手段。
维吾尔药具备多种成分配伍、不易耐药、毒副作用小的特点,且可根据不同患者的具体病情施以不同的治疗,治疗特色突出、疗效确切、不易复发。因而更有利于治疗患者的病情,维护健康的有效利器,为该病的治疗开辟了新的道路。
发明内容
本发明的目的在于,提供一种治疗皮肤炎症的复方制剂及其制备方法,该制剂原料药为黄连、土大黄、玫瑰花、没食子,采用溶剂提取、除杂、浓缩或干燥,与医学上可接受的辅料制成软膏剂、凝胶剂、酊剂、涂膜剂或搽剂。该复方制剂具有抗菌、抗炎、收敛作用,用于治疗皮肤炎症包括急慢性湿疹、特异性皮炎、接触性皮炎、过敏性皮炎。药效学研究表明,本发明所述的复方制剂有效的抑制NO活性,能够抑制NO的释放,可明显的减轻皮损的炎症程度,通过升高皮炎湿疹引起的IL-2、IL-4、IL-18水平降低,降低皮炎湿疹引起的TNF-α、IL-12水平升高,达到Th1细胞和Th2细胞平衡,起到治疗作用。
本发明所述的一种治疗皮肤炎症的复方制剂,是由原料药为黄连5-200份、土大黄5-100份、没食子5-100份、玫瑰花5-100份和医学上可接受的辅料为硬脂酸10-200份、单硬脂酸甘油脂10-100份、液体石蜡10-200份、白凡士林10-100份、丙二醇10-200份、三乙醇胺1-50份、十二烷基硫酸钠1-50份、羟本乙酯钠1-50份、抗坏血酸钠1-50份、卡波姆10-200份、聚乙烯醇-124 10-200份、二甲基亚砜1-50份、甘油10-100份、亚硫酸氢钠1-50份、氮酮1-50份,制成软膏剂、凝胶剂、酊剂、涂膜剂或搽剂。
所述治疗皮肤炎症的复方制剂的制备方法,按下列步骤进行:
a、将药材黄连5-200份、土大黄5-100份,分别粉碎至10-100目,充分混合,用5-25倍10%-95%乙醇进行提取,温度为10-100℃,提取1-4次,每次提取时间为1-6小时,合并提取液,滤过,得到醇提液;
b、没食子5-100份、玫瑰花5-100份,分别粉碎至10-100目,充分混合,用5-25倍量水进行提取,温度为10-100℃,提取1-4次,每次提取时间为1-6小时,合并提取液,滤过,得到水提液;
c、将步骤a中的醇提液和步骤b中的水提液,分别在温度40-80℃下减压浓缩至相对密度1.05-1.10的浸膏,得到醇提浸膏和水提浸膏,或将醇提浸膏和水提浸膏分别真空干燥,温度为10-80℃,粉碎得醇提浸膏粉和水提浸膏粉;
d、将步骤c中的醇提浸膏或醇提浸膏粉加丙二醇10-200份,混合,制成溶液A,备用;
e、取纯化水加热至30-100℃,加入三乙醇胺1-50份、十二烷基硫酸钠1-50份、羟本乙酯钠1-50份、抗坏血酸钠1-50份,溶解,然后加入步骤d中得到的溶液A,作为水相;取单硬脂酸甘油脂10-100份、硬脂酸10-200份、液体石蜡10-200份、白凡士林10-100份,混合,加热至30-100℃,作为油相;将油相加入水相中,或水相加入油相中,边加边搅,待温度降至30-70℃,加入步骤c中的水提浸膏或水提浸膏粉,搅拌均匀,即得软膏剂;
或取卡波姆10-200份均匀分散于水中,浸泡使其充分溶胀,加入步骤d得到的溶液A,混合均匀,再加入步骤c中的水提浸膏或水提浸膏粉,混匀,加三乙醇胺1-10份,即得凝胶剂;
或将步骤c中的醇提浸膏和水提浸膏混合,加乙醇,搅拌均匀,静置,滤过,即得酊剂;
或将聚乙烯醇-124 10-200份用蒸馏水和甘油10-100份充分膨胀后,在水浴上加热使完全溶解,得聚乙烯醇-124溶液;将步骤c中的醇提浸膏或醇提浸膏粉溶于浓度为95%的乙醇中,加入亚硫酸氢钠1-50份、氮酮1-50份,搅匀后加至聚乙烯醇-124溶液中,搅匀,再加入步骤c中的水提浸膏或水提浸膏粉,搅匀,即得涂膜剂;
或将步骤c中的水提浸膏或水提浸膏粉溶于温水中,制成溶液A,备用;取步骤c中醇提浸膏或醇提浸膏粉加入二甲基亚砜1-50份、甘油10-100份,搅匀,制成溶液B,将溶液A和溶液B混合,加水,搅匀,制成搽剂。
本发明所述的治疗皮肤炎症的复方制剂,是以维吾尔医理论为指导,继承维吾尔医的用药特点,依据维吾尔族在长期的民间临床实践,采用现代提取方法得到该复方药物中有效成分,保证有效成分含量,提高了生物利用度;其药理特性为:消炎、收敛、干燥、散气,用于治疗急慢性湿疹,特异性皮炎,过敏性皮炎,接触性皮炎。
本发明所述的一种治疗皮肤炎症的复方制剂及其制备方法,其中各维药功能主治为:
黄连:本品为毛茛科植物黄连Coptis.chinensis Franch.三角叶黄连Coptisdeltoidea C.Y.Cheng et Hsiao或云连Coptisteeta Wall.的干燥根茎。秋季采挖,除去须根和泥沙,干燥,撞去残留须根。清热燥湿,泻火解毒。用于湿热痞满,呕吐吞酸,泻痢,黄疸,高热神昏,心火亢盛,心烦不寐,心悸不宁,目赤,牙痛,消渴,痈肿疔疮;外治湿疹,湿疮,耳道流脓。
土大黄:本品为蓼科酸模属植物钝叶酸模Rumex obtusifolius L.的根。夏秋季采挖,除去杂质,取出晒干。具有清热解毒,凉血止血,祛瘀消肿,通便,杀虫。主治肺痨咳血,肺痈,吐血,瘀滞腹痛,跌打损伤,大便秘结,痈疮肿毒,烫伤,疥癣,湿疹。
没食子:本品为壳斗科植物没食子树(Quercus infectoria Oliv.)幼枝上的干燥虫瘿。夏、秋二季采集尚未穿孔的虫瘿,取出晒干。具有涩肠,固精,敛肺,止血等,主治久泻久痢,遗精,盗汗,咳嗽,咯血,便血,创伤出血。
玫瑰花:本品为蔷薇科植物玫瑰Rosa rugosa thunb的干燥花蕾。夏秋季采挖、晒干、除去杂质。具有较强的自由基清除和抗氧化活性能力,抗病毒感染,调节自身免疫紊乱等作用。
本发明所述的一种治疗皮肤炎症的复方制剂及其制备方法,与现在医药市场上治疗湿疹药物比较,有以下特点:
(1)处方中的每味药材,结合本地著名中医药和维医药专家的临床论证精选,有机地组合了两种传统医学中用于治疗各种皮肤病的天然药物,发挥中维医药组合效应,疗效确切,见效快,安全,可靠。
(2)本发明与治疗湿疹的西药比较,无副作用,无耐药性,不易复发及身体依赖性。
(3)制备工艺简单,成本低,具有一定的市场竞争力。
(4)药材来源丰富,可保证质量,适合工业化大生产。
具体实施方式
为了便于本领域技术人员的理解,下面结合实施例对本发明作进一步进行描述。
实施例1
(以制备1000g为基数,制备软膏剂)
表1
a、按表1中的比例将黄连和土大黄,分别粉碎至40目混合,用20倍浓度70%乙醇进行提取,温度为50℃,提取2次,每次提取时间为2个小时,合并提取液,滤过,得到醇提取液;
b、将没食子和玫瑰花,分别粉碎至100目混合,用15倍水进行提取,温度为50℃,提取2次,每次提取时间为2个小时,合并提取液,滤过,得到水提取液;
c、将步骤a中醇提液和步骤b中的水提取液,分别在温度40℃减压浓缩至相对密度1.05的浸膏,真空干燥,粉碎,得到醇提浸膏粉和水提浸膏粉;
d、将步骤c中的醇提浸膏粉加丙二醇混合,制成溶液A,备用;
e、取纯化水加热至75℃,加入三乙醇胺、十二烷基硫酸钠、羟本乙酯钠、抗坏血酸钠溶解,然后加入步骤d得到的溶液A,作为水相;取单硬脂酸甘油脂、硬脂酸、液体石蜡、白凡士林加热至75℃,作为油相;将水相逐渐加入油相中,边加边搅,待温度至50℃,加入步骤c中的水提浸膏粉,搅拌均匀,即得软膏剂。
实施例2
(以制备1000g为基数,制备软膏剂)
a、按表1中的比例将黄连和土大黄,分别粉碎至100目混合,用8倍浓度为70%乙醇进行提取,温度为100℃,提取3次,提取时间为1.5小时,合并提取液,滤过,得到醇提取液;
b、将没食子和玫瑰花,分别粉碎至10目混合,用8倍量水进行提取,温度为100℃,提取3次,每次提取时间为1.5小时,合并提取液,滤过,得到水提取液;
c、将步骤a醇提液和步骤b中的水提取液,分别在温度60℃减压浓缩至相对密度1.10的浸膏,得到醇提浸膏和水提浸膏;
d、将步骤c中的醇提浸膏加丙二醇混合,制成溶液A,备用;
e、取纯化水加热至75℃,再加入三乙醇胺、十二烷基硫酸钠、羟本乙酯钠、抗坏血酸钠溶解,然后加入步骤d中得到的溶液A,作为水相;取单硬脂酸甘油脂、硬脂酸、液体石蜡、白凡士林加热至75℃,作为油相;将油相逐渐加入水相中,边加边搅,待温度降至55℃,加入步骤c中的水提浸膏,搅拌均匀,即得软膏剂。
实施例3
(以制备1000g为基数,制备凝胶剂)
表2
a、按表2中的比例将黄连和土大黄,分别粉碎至100目,充分混合,用5倍浓度为50%乙醇进行提取,温度为30℃,提取2次,每次提取时间为2小时,合并提取液,滤过,得到醇提取液;
b、没食子和玫瑰花,分别粉碎至100目,充分混合,用5倍量的水进行提取,温度为30℃,提取2次,每次提取时间为2小时,合并提取液,滤过,得到水取提液;
c、将步骤a醇提液和步骤b水提取液,分别在温度60℃减压浓缩至相对密度1.10的浸膏,得到醇提浸膏和水提浸膏;
d、将步骤c中的醇提浸膏与丙二醇混合,制成溶液A,备用;
e、取卡波姆均匀分散于水中,浸泡使其充分溶胀,加入步骤d得到的溶液A和,混合均匀,再加入步骤c中的水提浸膏,搅拌混匀,加入三乙醇胺,即得凝胶剂。
实施例4
(以制备1000g为基数,制备凝胶剂)
a、按表2中黄连和土大黄,分别粉碎至80目混合,用12倍50%乙醇提取,温度为40℃,提取2次,每次提取时间为1.5小时,合并提取液,滤过,得到醇提取液;
b、将没食子和玫瑰花,分别粉碎至100目,用20倍水提取,温度为40℃,提取2次,每次提取时间为1.5小时,合并提取液,滤过,得到水提取液;
c、将步骤a醇提液和步骤b水提取液,分别在温度80℃减压浓缩至相对密度1.10的浸膏,我嫩度60℃真空干燥,粉碎,得到醇提浸膏粉和水提浸膏粉;
d、将步骤c中的醇提稠膏粉与丙二醇混合,制成溶液A,备用;
e、取卡波姆均匀分散于水中,浸泡使其充分溶胀,加入步骤d得到的溶液A混合均匀,再加入水提稠膏,搅拌混匀,加入三乙醇胺,即得凝胶剂。
实施例5
(以制备1000g为基数,制备酊剂)
表3
按表3中的比例将黄连和土大黄,分别粉碎至20目,用10倍量浓度为80%乙醇进行提取,温度为60℃,提取3次,每次提取1小时,合并提取液,滤过,得到醇提液;
将玫瑰花和没食子用10倍量水进行提取,温度为60℃,提取3次,每次提取时间为2小时,合并提取液,滤过,得到水提液;
将得到的醇提液和水提取液,分别在温度80℃减压浓缩至相对密度1.10的浸膏,温度60℃真空干燥,粉碎,得到醇提浸膏粉和水提浸膏粉;
将得到的的醇提浸膏粉和水提浸膏粉混合均匀,加浓度95%乙醇溶解,滤过,即得酊剂。
实施例6
(以制备1000g为基数,制备酊剂)
按表3中的比例将土大黄和黄连,分别粉碎至100目,用20倍量浓度为90%乙醇进行提取,温度为70℃,提取2次,每次提取1小时,合并提取液,滤过,得到醇提液;
将玫瑰花和没食子分别粉碎至100目混合,用20倍量水进行提取,温度为70℃,提取2次,每次提取1.5小时,合并提取液,滤过,得到水提取液;
将得到的醇提液和水提取液,分别在温度60℃减压浓缩至相对密度1.10的浸膏,温度80℃真空干燥,粉碎,得到醇提浸膏粉和水提浸膏粉;
将得到的醇提浸膏粉和水提浸膏粉混合均匀,加浓度75%乙醇溶解,滤过,即得酊剂。
实施例7
(以制备1000g为基数,制备搽剂)
表4
按表4中的比例将土大黄和黄连,分别粉碎至100目,充分混合,用20倍量浓度为95%乙醇进行提取,温度为100℃,提取1次,提取4小时,滤过,得到醇提液;
将玫瑰花和没食子,分别粉碎至100目,充分混合,用20倍量水进行提取,温度为100℃,提取1次,提取4小时,滤过,得水提液;
将得到的醇提液和水提取液,分别在温度60℃减压浓缩至相对密度1.15的浸膏,温度60℃真空干燥,粉碎,得到醇提浸膏粉和水提浸膏粉;
将得到的水提浸膏粉溶于温水中,制成溶液A,备用;取得到的醇提浸膏粉加入二甲基亚砜、甘油,搅匀,制成溶液B,将溶液A和溶液B混合,加水,搅匀,即得搽剂。
实施例8
(以制备1000g为基数,制备搽剂)
按表4中的比例将土大黄和黄连,分别粉碎至100目,充分混合,用10倍量浓度为60%乙醇进行提取,温度为100℃,提取2次,每次提取2小时,合并提取液,滤过,得到醇提液;
玫瑰花和没食子分别粉碎至20目,充分混合,用10倍量水进行提取,温度为100℃,提取2次,每次提取2小时,得到水提取液;
将得到的醇提液和水提取液,分别在温度60℃减压浓缩至相对密度1.15的浸膏,温度60℃真空干燥,粉碎,得到醇提浸膏粉和水提浸膏粉;
将得到的水提浸膏粉溶于温水中,制成溶液A,备用;取得到的醇提浸膏粉加入二甲基亚砜、甘油,搅匀,制成溶液B,将溶液A和溶液B混合,加水,搅匀,即得搽剂。
实施例9
(以制备1000g为基数,制备涂膜剂)
表5
按表5中的比例将黄连和土大黄,分别粉碎至100目,充分混合,用12倍量50%乙醇提取,温度为100℃,提取3次,每次提取1小时,合并提取液,滤过,得到醇提取液;
将玫瑰花和没食子分别粉碎至40目,充分混合,用12倍量水进行提取,温度为50℃,提取3次,每次提取1小时,合并提取液,滤过,得到水提取液;
将得到的醇提液或水提液,分别在温度50℃下减压浓缩至相对密度1.05的浸膏,得到醇提浸膏和水提浸膏;
将聚乙烯醇-124用蒸馏水和甘油充分膨胀后,在水浴上加热使完全溶解,得聚乙烯醇-124溶液;将得到的醇提浸膏溶于浓度为95%的乙醇中,加入亚硫酸氢钠、氮酮,搅匀后缓缓加至聚乙烯醇-124溶液中,搅匀,再加入得到的水提浸膏,搅匀,即得涂膜剂。
实施例10
(以制备1000g为基数,制备涂膜剂)
按表5中的比例将黄连、土大黄,分别粉碎至80目,充分混合,用20倍量80%乙醇进行提取,温度为75℃,提取2次,每次提取1小时,合并提取液,滤过,得醇提液;
将玫瑰花和没食子分别粉碎至60目,充分混合,用20倍量水进行提取,温度为75℃,提取2次,每次1小时,合并提取液,滤过,得水提液;
将得到的醇提液和水提取液,分别在温度60℃压浓缩至相对密度1.15的浸膏,60℃真空干燥,粉碎,得到醇提浸膏粉和水提浸膏粉;
将聚乙烯醇-124用蒸馏水和甘油充分膨胀后,在水浴上加热使完全溶解,得聚乙烯醇-124溶液;将得到的醇提浸膏溶于浓度为95%的乙醇中,加入亚硫酸氢钠、氮酮,搅匀后缓缓加至聚乙烯醇-124溶液中,搅匀,再加入得到的水提浸膏,搅匀,即得涂膜剂。
实施例11
本发明所述的复方提取物在制疗皮肤炎症的体外药效评价:
1.实验目的:本研究利用现代医学研究理论,通过对复方提取物进行NO抑制活性筛选实验,评价复方提取物的抗炎症作用;
2.实验材料:
2.1药品,试剂:巨噬细胞RAW263.7细胞,脂多糖(LPS,DMSO),MTT,DMEM不完全高糖培养基,胎牛血清蛋白FBS,NO试剂盒,ELISA试剂盒,PBS缓冲溶液,胰蛋白酶,复方提取物,棕黄色粉末(自制);
2.2仪器:试管,微量移液器,旋涡混匀器,离心机,37℃恒温水浴锅,岛津UV-210A分光光度计,Bio Rad 3550型自动酶标仪及奥林巴斯BH-2显微镜;
3.实验方法:
Raw264.7细胞接种于96孔培养板中(4×106),空白对照组加入DMEM不完全高糖培养基,诱导组加入1g/ml脂多糖(LPS)的DMEM不完全高糖培养基,给药组分别加复方提取物(25,12.5,6.25,3.125,1.1.5625g/ml)和含1g/ml的LPS的DMEM不完全高糖培养基,培于24h,吸取上清液,进行NO含有量测定;
3.1复方提取物制备:
将实施例1中制备的醇提浸膏粉和水提浸膏粉,混合,过100目筛,备用;
3.2样品溶液配制:
将复方提取物用二甲基亚砜(DMSO)配制10-1mg/L浓度储备液,然后用纯水稀释成10mg/L或10mM浓度的溶液待测;空白对照用DMEM不完全高糖培养基;
3.3测试步骤NO测定法,见表6。
表6测定一氧化氮(NO)抑制活性方法
4.实验结果
4.1复方提取物抑制NO活性:见表7;
表7复方提取物对NO的抑制作用
结论:实验结果显示,复方提取物在五种不同浓度下均具有较好的NO抑制活性,抑制活性具有剂量依赖性,在25ug/ml浓度下抑制率达到60%以上,通过本次实验得知,该复方提取物具有良好的抗炎作用。
实施例12
本发明所述的复方制剂在制疗皮肤炎症中的体内药效评价:
实验目的:本研究利用DNCB诱导的小鼠湿疹模型,评价该复方制剂对皮肤炎症相关炎症因子的影响,评价其疗效,推测其作用机理。
1.实验材料:
1.1仪器、设备:Sartorius CPA124s电子天平(德国赛多利斯,0.1mg);YP5102电子天平(上海光正医疗仪器有限公司,0.01g);SK7210LH超声波清洗器(上海科导超声仪器有限公司);旋转蒸发仪(Büchi R-210型);恒温水浴锅(Büchi B-491型);TGL-20B离心机(BUChi瑞士步琦);DHG-9070A鼓风干燥箱(上海齐欣科学仪器有限公司);自动酶标仪;离心机;
1.2试剂与材料:复方制剂,氢化可的松乳膏(广东省皮肤病医院制剂室,批号151130),2、4-二硝基氯苯(DNCB,北京化学试剂厂,批号21000517),TNF-α、IL-2、IL-4、IL-12、IL-18)试剂盒(北京四正柏生物科技有限公司,批号20160331);
1.3实验动物:清洁级BALB/c小鼠60雌雄各半,8周龄,体质量18-23g,购于广东省医学实验动物中心,合格证号NO.44007200027365,许可证号SCXK(粤)2013-0002实验室温度20-25℃,相对湿度40%-60%;
2.实验方法:
皮炎湿疹模型的建立:BALB/c小鼠60只,雌雄各半,每只小鼠于实验前1d腹部剃毛3cm×3cm范围,实验第1天于腹部脱毛部位涂以7%的2、4-二硝基氯苯(DNCB)丙酮溶液100L致敏,5d后每只小鼠右耳内外侧均匀涂以0.5%的2、4-二硝基氯苯(DNCB)溶液20L进行激发,每隔3d激发1次,共激发4次;
分组与给药:用数字表法将60只BALB/c小鼠随机分为正常对照组,模型对照组,给药组(每组10只),第1次激发后2h,将受试物分别均匀涂于各组小鼠右耳正反面,给药频率为1d 2次,每次间隔4h;给药组给予复方制剂,正常对照组和模型对照组给予空白基质,阳性药对照组给予1%的氢化可的松乳膏,连用至末次激发;末次激发后24h摘眼球取血,检测各项指标,药物的治疗作用见实验结果;
2.1观察指标:
血清中肿瘤坏死因-α(TNF-α),IL-2,IL-4,IL-12,IL-18值检测,小鼠眼球取血,血液静置凝固后,取其上清液100ul,按试剂盒的操作说明操作,ELISA法测定血清中肿瘤坏死因-α(TNF-α),白细胞介素-2(IL-2),白细胞介素-4(IL-4),白细胞介素-12(IL-12),白细胞介素-18(IL-18)的值;
2.2复方制剂的制备:按实施例2制备所的样品;
3.实验结果:
表8复方制剂对血清中TNF-α、IL-2、IL-4、IL-12、IL-18的影响的影响(x±s,n=10,pg/ml)
注:与空白软膏组比较,aP<0.01;与模型组比较,bP<0.05;cP<0.01;
结果与讨论:模型对照组小鼠血清白细胞介素-2(IL-2)、白细胞介素-4(IL-4)、白细胞介素-18(IL-18)水平明显降低,肿瘤坏死因-α(TNF-α)、白细胞介素-12(IL-12)水平明显升高,与正常对照组比较,差异有极显著性统计学意义P<0.01;复方制剂组和阳性对照组能升高模型小鼠白细胞介素-2(IL-2)、白细胞介素-4(IL-4)、白细胞介素-18(IL-18)水平,降低肿瘤坏死因-α(TNF-α)、白细胞介素-12(IL-12)水平,与模型对照组比较,差异有显著性统计学意义bP<0.05;cP<0.01。
皮炎湿疹的病因及发病机制相当复杂,目前认为主要是由T细胞介导的细胞免疫紊乱所致。在正常情况下,Th1细胞与Th2细胞通过分泌不同的细胞因子相互调节和抑制,机体的Th1细胞与Th2细胞功能处于动态平衡;实验中皮炎湿疹模型表现为白细胞介素-2(IL-2)、白细胞介素-4(IL-4)、白细胞介素-18(IL-18)水平显著降低,白细胞介素-12(IL-12),肿瘤坏死因-α(TNF-α)水平显著升高,提示Th1细胞与Th2细胞功能失衡。通过复方制剂治疗后,湿疹模型组小鼠血清中白细胞介素-2(IL-2)、白细胞介素-4(IL-4)、白细胞介素-18(IL-18)、白细胞介素-12(IL-12),肿瘤坏死因-α(TNF-α)得到调节。复方制剂通过调节Th1和Th2平衡,达到治疗皮炎湿疹的作用。
Claims (2)
1.一种治疗皮肤炎症的复方制剂,其特征在于是由原料药为黄连50份、土大黄30份、没食子30份、玫瑰花20份和医学上可接受的软膏剂辅料为硬脂酸5份、单硬脂酸甘油脂100份、液体石蜡20份、白凡士林10份、丙二醇30份、三乙醇胺2份、十二烷基硫酸钠50份、羟本乙酯钠5份、抗坏血酸钠20份,具体操作按下列步骤进行:
a、将黄连50份和土大黄30份,分别粉碎至40目混合,用20倍浓度70%乙醇进行提取,温度为50℃,提取2次,每次提取时间为2个小时,合并提取液,滤过,得到醇提取液;
b、将没食子30份和玫瑰花20份,分别粉碎至100目混合,用15倍水进行提取,温度为50℃,提取2次,每次提取时间为2个小时,合并提取液,滤过,得到水提取液;
c、将步骤a中醇提液和步骤b中的水提取液,分别在温度40℃减压浓缩至相对密度1.05的浸膏,真空干燥,粉碎,得到醇提浸膏粉和水提浸膏粉;
d、将步骤c中的醇提浸膏粉加丙二醇30份混合,制成溶液A,备用;
e、取纯化水加热至75℃,加入三乙醇胺2份、十二烷基硫酸钠50份、羟本乙酯钠5份、抗坏血酸钠20份溶解,然后加入步骤d得到的溶液A,作为水相;取单硬脂酸甘油脂100份、硬脂酸5份、液体石蜡20份、白凡士林10份加热至75℃,作为油相;将水相逐渐加入油相中,边加边搅,待温度至50℃,加入步骤c中的水提浸膏粉,搅拌均匀,即得软膏剂。
2.一种治疗皮肤炎症的复方制剂的制备方法,其特征在于按下列步骤进行:
a、将黄连50份和土大黄30份,分别粉碎至40目混合,用20倍浓度70%乙醇进行提取,温度为50℃,提取2次,每次提取时间为2个小时,合并提取液,滤过,得到醇提取液;
b、将没食子30份和玫瑰花20份,分别粉碎至100目混合,用15倍水进行提取,温度为50℃,提取2次,每次提取时间为2个小时,合并提取液,滤过,得到水提取液;
c、将步骤a中醇提液和步骤b中的水提取液,分别在温度40℃减压浓缩至相对密度1.05的浸膏,真空干燥,粉碎,得到醇提浸膏粉和水提浸膏粉;
d、将步骤c中的醇提浸膏粉加丙二醇30份混合,制成溶液A,备用;
e、取纯化水加热至75℃,加入三乙醇胺2份、十二烷基硫酸钠50份、羟本乙酯钠5份、抗坏血酸钠20份溶解,然后加入步骤d得到的溶液A,作为水相;取单硬脂酸甘油脂100份、硬脂酸5份、液体石蜡20份、白凡士林10份加热至75℃,作为油相;将水相逐渐加入油相中,边加边搅,待温度至50℃,加入步骤c中的水提浸膏粉,搅拌均匀,即得软膏剂。
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