CN115300490B - 包含角鲨烯和甘露醇的药物组合物及其用途 - Google Patents
包含角鲨烯和甘露醇的药物组合物及其用途 Download PDFInfo
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- CN115300490B CN115300490B CN202110494452.XA CN202110494452A CN115300490B CN 115300490 B CN115300490 B CN 115300490B CN 202110494452 A CN202110494452 A CN 202110494452A CN 115300490 B CN115300490 B CN 115300490B
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- Medicinal Preparation (AREA)
Abstract
一种包含角鲨烯和甘露醇的药物组合物及其在制备预防或治疗肠炎的药物中的用途。所述组合物可以显著改善肠炎的症状,主要可以控制炎症因子IL6、TNFα、IL17A等的水平。
Description
技术领域
本发明属于医药领域,具体涉及包含角鲨烯和甘露醇的药物组合物及其在制备预防或治疗肠炎的药物中的用途。
背景技术
结肠炎、直肠炎是一种结、直肠黏膜的弥漫性炎症。结肠炎又称非特异性溃疡性结肠炎。肠道慢性炎症与大约五分之一的人类癌症密切相关。其主要由环境暴露、饮食、遗传基因多态性和免疫反应功能障碍等因素联合引起的。在研究这些疾病的过程中小鼠模型起到了非常关键的作用,肠道炎症的小鼠模型可分为化学诱导模型、遗传模型、过渡转移模型和自发模型。这些模型的研究已经证明了肠腔内的持续性抗原暴露、肠上皮屏障功能丧失、先天性和适应性免疫应答的功能障碍和失调等导致慢性肠道炎症的机制。
葡聚糖硫酸钠(DSS)诱导小鼠的结肠炎模型。这种结肠炎的实验模型是通过葡聚糖硫酸钠(DSS)的饮用水进行循环使用来建立的。可以通过控制剂量和持续时间来诱发急性和慢性结直肠炎。在健康野生型小鼠中,DSS给药后的主要持征是小鼠出现粪便大量出血、腹泻和体重减轻等现象,特别是在循环给药后,一个周期通常给小鼠畏饮5-7天3%左右的DSS,随后给予7-14天的正常饮水。这个模型的结肠病理学类似于溃疡性结肠炎,其组织切片会出现炎症细胞对肠上皮屏障的侵蚀以及广泛的淋巴细胞和中性粒细胞浸润性的溃疡性结肠炎。给小鼠喂饮四个周期的DSS,随后给予4个月的正常饮水,导致结肠慢性炎症发生,随后发展为结直肠癌。DSS被认为是在基底隐窝中直接诱导上皮细胞的代谢毒性,这损害了肠道的粘膜屏障,并促进肠道微生物及其产物入侵粘膜。尽管DSS本身不具有遗传毒性,但它可以直接和间接地激活巨噬细胞和其它炎性细胞,产生与遗传模型中观察到的免疫特征相似的免疫介导性结肠炎。
研究显示,结直肠炎发病机制的关键是免疫系统针对肠道菌群及食物抗原的异常免疫反应,导致大量的炎性因子在肠道局部聚集引起的炎症损伤。结直肠炎尚缺乏特异性治疗手段,现有水杨酸制剂、糖皮质激素及免疫抑制剂类药物治疗的主要目的是达到临床缓解和避免并发症的发生,长期使用会给患者带来严重不良反应且疗效有限,因此寻找结直肠炎新的治疗手段已经成为了国内外研究的热点和难点。
角鲨烯(squalene,简称SQ)(C30H50,2,6,10,15,19,23-6甲基-2,6,10,14,18,22-廿四碳六烯)是一种全反式三萜烯化合物,在氯仿溶液中呈动态折叠结构。角鲨烯自从1906年被日本化学家本满丸博士发现后,由于其良好的生物活性及在食品、医药、化妆品等领域的广泛应用引起了国内外研究人员的兴趣。角鲨烯含有6个非共轭双键,具有较强的抗氧化活性。角鲨烯在化妆品标准配方(如乳油、软膏、防晒霜)中很容易乳化,因此,可用于膏霜(冷霜、洁肤霜、润肤霜)、乳液、发油、发乳、唇膏、芳香油和香粉等化妆品中做保湿剂,同时还具有抗氧化剂和自由基清除剂的作用。此外,角鲨烯也可用作高级香皂的高脂剂。
涉及角鲨烯的现有技术如下:
CN202010649412涉及一种妇科凝胶及其制备方法。一种妇科凝胶,按重量份计,至少包括以下组分:植物活性物质20-50份、角鲨烯10-30份等。
CN202010229789提供了一种角鲨烯注氧组合物,按重量份计,原料至少包含:2-8份植物提取物,1-3份皮肤调理剂,0.3-1.5份复方精油,0.5-2.5份乳酸菌发酵产物;所述皮肤调理剂至少包括角鲨烯。
CN202010198469公开一种阳离子角鲨烯脂质体及其制备方法,为角鲨烯用于免疫增强剂、疫苗佐剂及其他药物传输体系提供了基础。
CN201810448569公开了一种大豆角鲨烯微胶囊的制备方法,将预得到的角鲨烯用复凝聚法,以明胶和阿拉伯胶(1:1)为壁材,制得微胶囊分散均匀、包埋效果好的大豆角鲨烯微胶囊。
CN201710103776涉及一种含角鲨烯植物油的维生素D类制剂。
CN201510065477提供了一种纳米乳疫苗辅剂的制备方法,以角鲨烯为油相。
CN201410210662公开了一种角鲨烯微胶囊的制备方法,以角鲨烯为芯材,山梨醇脂肪酸酯或聚山梨酯为油相乳化剂,采用明胶-阿拉伯胶-麦芽糊精-蔗糖酯为复合壁材。
甘露醇(Mannitol),又称木蜜醇,是山梨糖醇的同分异构体,分子式是C6H14O6,分子量为182.17g/mol。其易溶于水,为白色透明的固体,有类似蔗糖的甜味,也可作为甜味剂。甘露醇在医药上是良好的利尿剂,降低颅内压、眼内压及治疗肾药、脱水药、食糖代用品、也用作药片的赋形剂及固体、液体的稀释剂。
发明内容
本发明的目的旨在研究包含角鲨烯和甘露醇的组合物与肠炎症之间的作用关系。发明人研究发现,包含角鲨烯、甘露醇的制剂能够作为免疫调节剂,激活机体固有免疫反应,增强结直肠的免疫耐受功能,从而调控肠道失常的炎症反应。
鉴于此,本发明通过以下技术方案来实现:
本发明一方面,提供一种用于预防或治疗肠炎的组合物,其特征在于:所述组合物包含角鲨烯和甘露醇。
所述组合物的剂型可以为乳剂、或本领域其他有助于角鲨烯和甘露醇为人体吸收的制剂形式。
优选地,所述组合物还包含乳化剂。优选地,所述组合物还包含水。
优选地,所述乳化剂选自:阳离子表面活性剂、阴离子表面活性剂、两性离子表面活性剂和非离子表面活性剂中的一种或几种。所述非离子表面活性剂选自脂肪酸山梨坦类(即司盘类)、聚山梨酯类(即吐温类)、聚氧乙烯脂肪酸酯类、聚氧乙烯脂肪醇醚类、聚氧乙烯-聚氧丙烯共聚物类、聚氧乙烯-聚氧丙烯嵌段共聚物类、单甘油脂肪酸酯类、三甘油脂肪酸酯类、聚氧乙烯蓖麻油类、聚甘油脂肪酸酯类、蔗糖脂肪酸酯类和单硬脂酸甘油酯类的一种或几种;
所述阴离子表面活性剂为选自硬脂酸钠、硬脂酸钾、油酸钠、油酸钾、硬脂酸钙、十二烷基硫酸钠和十六烷基硫酸化蓖麻油中的一种、或两种以上混合物;
优选地,所述乳剂选自:吐温80、司盘80、十二烷基硫酸钠、聚甘油脂肪酸酯或聚氧乙烯蓖麻油;
优选地,所述乳化剂为吐温80。
优选地,按照重量百分比,以所述组合物的总重量为100%计,所述角鲨烯占0.001-30%,优选0.2-15%,再优选0.2-5%,再进一步优选0.2%、0.5%、1%、3%、10%、15%、20%、或25%,更进一步优选0.2%;
优选地,所述甘露醇占0.001-30%,优选0.5-15%,再优选1-10%,再进一步优选0.2%、0.5%、1%、3%、10%、15%、20%、或25%,更进一步优选5%;
优选地,所述乳化剂占0.001-30%,优选0.05-15%,再优选0.1-5%,再进一步优选0.2%、0.5%、1%、3%、10%、15%、20%、或25%,更进一步优选0.5%。
优选地,所述组合物还含有其他药学上可接受的载体或辅料。
优选地,所述药学上可接受的载体或辅料包含防腐剂、助乳化剂、抗氧化剂和矫味剂中的一种或几种。
优选地,所述助乳化剂选自:甲基纤维素、羧甲基纤维素钠、羧丙基纤维素、海藻酸钠、琼脂、西黄蓍胶、阿拉伯胶、黄原胶、瓜尔胶、果胶、皂土、鲸蜡醇、蜂蜡、单硬脂酸甘油酯、硬脂酸、硬脂醇、甘油、聚乙二醇、聚甘油酯和聚维酮中的一种或几种。
优选地,所述抗氧剂选自亚硫酸钠、亚硫酸氢钠、硫代硫酸钠、焦亚硫酸钠、抗坏血酸、没食子酸丙酯、抗坏血酸棕榈酸酯、叔丁基对羟基茴香醚、二叔丁基对甲酚和维生素E中的一种或几种。
优选地,所述矫味剂为药学上可接受的甜味剂、胶浆剂、芳香剂。
优选地,所述甜味剂包括菊粉、蔗糖、甜菊糖苷、糖精钠、阿斯巴甜和三氯蔗糖中的一种或几种。
本发明另一方面,提供一种上述组合物在制备预防或治疗肠炎的药物中的用途;
优选地,所述肠炎为结肠炎或直肠炎。
优选地,所述结肠炎为溃疡性结肠炎。
优选地,所述组合物为角鲨烯、甘露醇和吐温的组合。
进一步优选地,所述组合物的组分为:0.2%角鲨烯,5%的甘露醇,0.5%的吐温80,余量为水。
本发明的乳剂可采用以下乳化方法制备:转相乳化法、PIT乳化法、交替加液乳化法、超声波乳化法、低能乳化法、微流化法、高压均质法等。
本发明的乳化设备可选用恒温磁力搅拌器、胶体磨、高速分散机、超声波乳化器、高速搅拌器、高压均质机等。
优选地,所述乳剂可以采用以下方法制备:按处方将各组分混合,配制成药液,将药液加入高压匀质机(例如,JN-10HC高压均质机,广州聚能公司)的进样杯中进行均质,设定压力为100-5000bar,使上述组分形成乳剂。上述压力也可以为200,400,500,900,1500,2000,或5000bar等。
本发明的有益效果:
CKJ-A灌胃给药可以显著改善DSS诱导的小鼠肠炎表型,其主要作用靶点是通过抑制巨噬细胞、髓系抑制性细胞和树突状细胞的数量,从而显著性的改变肠道炎症因子的表达水平,最终保护到上皮细胞的存活以及维持肠道上皮组织的完整性。CKJ-A具有改善肠炎的症状,主要可以控制炎症因子IL6、TNFα、IL17A等水平。从小鼠动物模型的结果显示,CKJ-A的治疗效果可媲美于临床用药美沙拉嗪(又叫5-氨基水杨酸,5-aminosalicylic acid,5-ASA)的效果。同时,本发明的组合物降低了生产成本,仅用0.2%的活性成分角鲨烯和甘露醇即可获得显著的治疗效果。
附图说明
图1为干预组小鼠的处理过程图;
图2对照组和干预组小鼠的体重变化图;
图3对照组和干预组小鼠疾病活动指数变化图;
图4对照组和干预组小鼠的肠道长度图;
图5对照组和干预组小鼠的HE染色结果图和统计图(20×);
图6对照组和干预组小鼠的肠道通透性结果图和统计图(40×);
图7对照组和干预组小鼠的肠道免疫细胞变化;
图8对照组和干预组小鼠的肠道免疫因子变化。
具体实施方式
以下将结合实施例和附图对本发明的构思及产生的技术效果进行清楚、完整地描述,以充分地理解本发明的目的、特征和效果。以下实施例旨在示例性地对本发明进行说明,不用于限制本发明的保护范围。
本发明以诱发急性溃疡性结肠炎的小鼠为实验对象,研究包含角鲨烯、甘露醇的组合物与溃疡性结肠炎之间的相互关系。优选所述组合物还包含乳化剂(吐温80)。
诱发急性溃疡性结肠炎的小鼠结肠黏膜损伤较重,可见明显充血水肿、广泛大面积的糜烂、深层溃疡形成,腺体被破坏排列紊乱,黏膜及黏膜下层可见大量淋巴细胞、嗜中性粒细胞浸润,经灌胃给予包含甘露醇、角鲨烯和乳化剂(吐温80)的组合物乳剂(CKJ-A)后的小鼠黏膜损伤程度明显减轻,结肠黏膜完整,部分可见轻度充血水肿和少量炎性细胞浸润,肠炎疾病活动指数评分低于对照生理盐水组,实验表明包含甘露醇和角鲨烯的组合物乳剂对诱导的结肠炎有预防和治疗作用。对照生理盐水组肠道通透性高于组合物乳剂干预组,表明包含甘露醇和角鲨烯的组合物乳剂干预可降低结肠炎肠道通透性,从而改善小鼠的结肠炎症状。对照组肠道免疫细胞(巨噬细胞、抑制性髓系细胞和树突状细胞)的浸润显著高于组合物乳剂干预组,免疫因子(TNFα、IL6和IL17A)的表达水平也显著高于组合物乳剂干预组,表明包含甘露醇和角鲨烯的组合物乳剂干预具有抑制炎症的效应。然而,单独甘露醇乳剂(CKJ-T)和角鲨烯乳剂(CKJ-Z)效果不明显,对肠炎无显著改善作用。
实施例
1、制备例:所述组分均需采用JN-10HC高压均质机(广州聚能公司),进行均质乳化,设定压力为500~2000bar,使各制备例形成乳剂,所有组分基于重量百分比计,余量为水。
制备例1:角鲨烯乳剂(角鲨烯0.2%+吐温80 0.1%)
制备例2:甘露醇乳剂(甘露醇3%+吐温80 0.1%)
制备例3:组合物乳剂(角鲨烯0.2%+甘露醇3%+吐温80 0.1%)
制备例4:组合物乳剂(角鲨烯0.2%+甘露醇3%+聚甘油脂肪酸酯0.1%)
制备例5:组合物乳剂(角鲨烯0.2%+甘露醇5%+司盘80 0.1%)
制备例6:组合物乳剂(角鲨烯0.2%+甘露醇3%+十二烷基硫酸钠0.1%)
制备例7:组合物乳剂(角鲨烯0.2%+甘露醇3%+聚氧乙烯蓖麻油0.1%)
制备例8:组合物乳剂(角鲨烯0.01%+甘露醇0.1%+吐温80 0.1%)
制备例9:组合物乳剂(角鲨烯30%+甘露醇3%+吐温80 0.1%)
制备例10:组合物乳剂(角鲨烯10%+甘露醇30%+吐温80 15%)
制备例11:组合物乳剂(角鲨烯5%+甘露醇8%+吐温80 5%)
制备例12:组合物乳剂(角鲨烯0.5%+甘露醇2%+吐温80 0.5%)
制备例13:组合物乳剂(角鲨烯0.5%+甘露醇2%+吐温80 10%)
制备例14:组合物乳剂(角鲨烯0.2%+甘露醇5%+吐温80 0.5%+甲基纤维素适量+亚硫酸钠适量+菊粉适量)
制备例15:组合物乳剂(角鲨烯0.2%+甘露醇5%+吐温80 0.5%+瓜尔胶适量+亚硫酸钠适量+菊粉适量)
制备例16:组合物乳剂(角鲨烯0.2%+甘露醇5%+吐温80 0.5%+菊粉适量)
2、效果实验
试验动物及分组
选用雄性,6-8周龄,C57BL/6J健康小鼠35只,购于上海斯莱克实验动物有限公司。随机分成五组,每组7只,分为对照生理盐水组、CKJ-T(甘露醇乳剂,制备例2)、CKJ-Z(角鲨烯乳剂,制备例1)、CKJ-A(组合物乳剂,制备例3)、阳性对照组(美沙拉嗪)。本实验采用葡聚糖硫酸钠(Dextran sulfate sodiumsalt,DSS)对小鼠进行造模。
IBD模型的制备
试验小鼠饮用浓度2.5%DSS溶液诱发急性溃疡性结肠炎。于DSS处理开始后第1、3、5、7天,灌胃给药,给药量为200微升/只,处理过程如图1所示。实验过程中每天记录小鼠体重变化、粪便形状和便血情况,最后统计分析;第9天牺牲小鼠,留取两段肠组织(靠近肛门的0.5cm肠段用于切片,向上1cm用于提取RNA)用于后续组织病理、免疫病理组成分析。
3、实验结果
小鼠体重变化:
分别对五组小鼠的体重测量,其体重变化如表1和图2所示,试验组小鼠在造模开始3天左右出现粘液稀便,且症状逐渐加重,5天左右症状更为严重,可见脓血便、消瘦、体重减轻、毛发无光泽、饮食明显减少、畏寒、懒动等症状,在5天左右会出现粘液稀便,消瘦、体重减轻、毛发无光泽、饮食明显减少、畏寒、懒动等症状;脓血便、体重减轻、饮食明显减少、畏寒、懒动等结果表明试验组出现明显的结肠炎,表明IBD模型成功建立。
表1.小鼠体重变化
结果表明:从表1结果可见,CKJ-T和CKJ-Z,相对于生理盐水组来说,体重的变化差异并不显著,而CKJ-A对于减少小鼠的体重下降有明显作用,基本达到美沙拉嗪的水平。
对于制备例4-16的组合物,发明人进行了同样的实验,实验结果表明,在第9天小鼠体重在87-90之间,同样显著高于CKJ-T和CKJ-Z。
小鼠疾病活动指数:
结肠炎损伤严重程度的评分标准:结合本实验,结肠炎疾病活动指数(DAI)评分参考Suthceland LR的标准进行,具体评分标准为:成形颗粒状类便,隐血实验阴性评分0;松散不粘附于肛门的半颗粒状类便,如隐血阴性评分1,隐血实验阳性评分2;粘附于肛门的液态类便,隐血实验阳性评分3,肉眼可见血便评分4。
对试验组结肠炎损伤严重程度进行评估,每天计算5组小鼠的DAI,结果如表2及图3所示。
表2.小鼠疾病活动指数
结果表明:CKJ-A给药组的DAI显著高于对照生理盐水组和CKJ-T和CKJ-Z,结果表明CKJ-A能明显改善小鼠的结肠炎损伤。
小鼠肠道长度变化:
于第9天牺牲五组小鼠,取整段结肠,对五组小鼠的结肠大体进行形态学观察,结果如图4所示。参见表格3及图4,实验结果显示试验组结肠变短,可见明显充血水肿、有大面积糜烂;但是CKJ-A处理后比对照生理盐水组和单独给药组的结肠水肿较轻,且糜烂面积小,表明CKJ-A具有明显的治疗疗效。
表3.小鼠肠道长度变化
对于制备例4-16,发明人进行了同样的实验,实验结果表明,小鼠肠道变化显著好于CKJ-T和CKJ-Z。
苏木精﹣伊红(HE)染色结果:
取五组小鼠结肠部分结肠组织,PBS冲洗干净,用甲酸溶液固定24小时。脱水过程从低浓度乙醇逐步向高浓度乙醇进行。将标本先置于70%乙醇短暂保存,既可脱水,同时对标本也有继续固定的作用。开始制片时,标本在80%乙醇中过夜后,依次浸入体积分数为95%乙醇两次,各2h/次,100%乙醇两次,各1.5h/次,二甲苯透明两次,各40min/次。透明过程中用肉眼观察透明程度,避免透明不足或过度。石蜡3次,分别为30min、1h和1.5h,常规浸蜡包埋(包埋蜡熔点58℃~60℃),切取5um厚度蜡片,42℃水浴锅内展片,常规烤片。将烤好的蜡片经二甲苯脱蜡2次,各10min/次,无水乙醇,95%乙醇逐步复水至70%乙醇,每级2min,进蒸馏水3min后,苏木精染色15min,1%盐酸酒精分化30s,流水冲洗20min,伊红染色2min,过水,95%乙醇2min,100%乙醇2min,二甲苯2次,各5min/次,中性树胶封片。
组织学评分标准:①炎症:无:0分,轻度:1分,中度:2度,重度:3分;②杯状细胞:未见消失:0分,消失:1分;③病变深度:无:0分,粘膜下层:1分,肌层:2分,浆膜层:3分;④溃疡:无:0分,糜烂:1分,溃疡:2分;⑤隐窝脓肿:无:0分,有:1分。
结果见表格4及图5,对照生理盐水组小鼠结肠黏膜损伤较重,可见明显充血水肿、广泛大面积的糜烂、深层溃疡形成,腺体被破坏排列紊乱,黏膜及黏膜下层可见大量淋巴细胞、嗜中性粒细胞浸润。CKJ-A给药组的小鼠镜下黏膜损伤程度明显减轻,结肠黏膜完整,部分可见轻度充血水肿和少量炎性细胞浸润,表明CKJ-A具有明显的治疗疗效。
表4.苏木精﹣伊红(HE)染色结果
肠道通透性变化:
小鼠结直肠组织石蜡切片置于72℃温箱过夜,二甲苯脱蜡,梯度酒精水化,柠檬酸钠抗原修复,滴加封闭液,加入1∶100抗occludin一抗,4℃过夜,第2天取出切片,滴加适当二抗工作液室温孵育30分钟,二氨基联苯胺(DAB)显色,镜下控制显色时间,苏木素复燃,常规脱水透明,树胶分片。在低倍镜下观察occludin在肠上皮细胞的分布特征,每张切片选取5处occludin染色集中区域,在高倍镜下(×200)计数,求得平均值。对五组小鼠进行肠道通透性实验,结果如表5及图6所示,结果显示,CKJ-A给药组的肠道通透性明显低于对照生理盐水组,表明使用CKJ-A可明显降低DSS诱导的结肠炎肠道通透性。
表5.occludin阳性细胞变化
肠道免疫细胞浸润分析:
将部分大肠置于37℃预热的HBSS缓冲液中,去除脂肪、结缔组织、淋巴结,并清洗内容物至干净;肠尽可能剪碎,转移至50毫升离心管中加入30毫升37℃预热的HBSS缓冲液,37℃水浴15分钟,每5分钟剧烈混摇一次;200目细胞筛过滤,弃上清,组织块转移至50毫升离心管中加入25毫升37℃预热的HBSS缓冲液,37℃水浴15分钟,每5分钟剧烈混摇一次;200目细胞筛过滤,弃上清,组织块转移至50毫升离心管中加入25毫升37℃预热的RPMI清洗缓冲液,37℃水浴15分钟,每5分钟剧烈混摇一次;200目细胞筛过滤,弃上清,组织块转移至50毫升离心管中加入15毫升37℃预热的胶原酶/DNA酶混合液,37℃水浴60分钟,每5分钟剧烈混摇一次;200目细胞筛过滤,用RPMI清洗缓冲液清洗筛网,再用400目细胞筛过滤,滤液转移至50毫升离心管中,1200转/分钟离心5分钟。然后,通过用抗体标记不同的表面分子,利用流式细胞仪分析肠道免疫细胞浸润情况。结果如表6-8和图7所示,CKJ-A可抑制肠道中巨噬细胞、髓系抑制性细胞(主要是指未成熟的粒细胞、巨噬细胞和树突状细胞)和树突状细胞浸润;但是CKJ-T和CKJ-Z对相关免疫细胞的影响不显著。
肠道免疫因子变化:
采用TRIzol试剂并按试剂盒说明提取组织细胞总RNA,用逆转录试剂盒将RNA逆转录为cDNA。以合成的cDNA第1链为模板进行扩增(按SYBR Green试剂盒说明进行)。△Ct=Ct目的基因-Ctβ-actin,△△Ct=△Ct处理组-△Ct对照组。不同样本的目的基因表达的相对差异量=2-△△Ct,引物序列见表12,实验重复3次以上。如表9-11和图8显示,CKJ-A可以显著抑制促炎因子(TNFα、IL6和IL17A)的表达水平。
表6.巨噬细胞浸润百分比
表7.髓系抑制性细胞浸润百分比
表8.树突状细胞浸润百分比
表9.TNFα表达水平
表10.IL6表达水平
表11.IL17A表达水平
表12炎性因子引物序列信息
基因名称 | 正向引物(5’to 3’) | 反向引物(5’to 3’) |
β-Actin | GAGCGCAAGTACTCTGTGTG | CGGACTCATCGTACTCCTG |
TNF-α | TCAGCCGATTTGCTATCTCA | CGGACTCCGCAAAGTCTAAG |
IL-6 | CACGGCCTTCCCTACTTCAC | TGCAAGTGCATCATCGTTGT |
IL-17A | GCTCCAGAAGGCCCTCAG | CTTTCCCTCCGCATTGACA |
。
序列表
<110> 安徽远望乐桓药业有限公司
<120> 包含角鲨烯和甘露醇的药物组合物及其用途
<130> 137-2104035IP
<141> 2021
<160> 8
<170> SIPOSequenceListing 1.0
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<211> 26
<212> DNA
<213> 正向引物
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5'-GAGCGCAAGTACTCTGTGTG-3'
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<212> DNA
<213> 正向引物
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5'-TCAGCCGATTTGCTATCTCA-3'
<210> 3
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<212> DNA
<213> 正向引物
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5'-CACGGCCTTCCCTACTTCAC-3'
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<212> DNA
<213> 正向引物
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5'-GCTCCAGAAGGCCCTCAG-3'
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<213> 反向引物
<400> 5
5'-CGGACTCATCGTACTCCTG-3'
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<213> 反向引物
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5'-CGGACTCCGCAAAGTCTAAG-3'
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5'-TGCAAGTGCATCATCGTTGT-3'
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5'-CTTTCCCTCCGCATTGACA-3'
Claims (10)
1.一种用于预防或治疗肠炎的组合物,其特征在于:基于重量百分比,所述组合物包含0.2%的角鲨烯、3%的甘露醇和0.1%的吐温80,所述组合物的剂型为乳剂。
2.根据权利要求1所述的组合物,其特征在于,所述组合物还含有其他药学上可接受的载体或辅料。
3.根据权利要求2所述的组合物,其特征在于,所述药学上可接受的载体或辅料包含助乳化剂、抗氧化剂、矫味剂和防腐剂中的一种或几种。
4.根据权利要求3所述的组合物,其特征在于,所述助乳化剂选自:甲基纤维素、羧甲基纤维素钠、羧丙基纤维素、海藻酸钠、琼脂、西黄蓍胶、阿拉伯胶、黄原胶、瓜尔胶、果胶、皂土、鲸蜡醇、蜂蜡、单硬脂酸甘油酯、硬脂酸、硬脂醇、甘油、聚乙二醇、聚甘油酯和聚维酮中的一种或几种。
5.根据权利要求3所述的组合物,其特征在于,所述抗氧化剂选自:亚硫酸钠、亚硫酸氢钠、硫代硫酸钠、焦亚硫酸钠、抗坏血酸、没食子酸丙酯、抗坏血酸棕榈酸酯、叔丁基对羟基茴香醚、二叔丁基对甲酚和维生素E中的一种或几种。
6.根据权利要求3所述的组合物,其特征在于,所述矫味剂为药学上可接受的甜味剂、胶浆剂或芳香剂。
7.根据权利要求6所述的组合物,其特征在于,所述甜味剂选自:菊粉、蔗糖、甜菊糖苷、糖精钠、阿斯巴甜和三氯蔗糖中的一种或几种。
8.权利要求1-7任一项所述的组合物在制备预防或治疗肠炎的药物中的用途。
9.权利要求8所述的用途,所述肠炎为结肠炎或直肠炎。
10.权利要求9所述的用途,所述结肠炎为溃疡性结肠炎。
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