CN116650480A - 苦参碱在制备治疗子宫内膜异位症药物中的应用及药物组合物 - Google Patents
苦参碱在制备治疗子宫内膜异位症药物中的应用及药物组合物 Download PDFInfo
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Abstract
本发明属于中医药学技术领域,公开了苦参碱在制备治疗子宫内膜异位症药物中的应用及药物组合物。本发明所用中药单体苦参碱对子宫内膜异位症异位间质细胞起到抑制增殖、促进凋亡作用的同时,对于异位间质细胞的转移和复发也有显著的抑制作用,可以广泛应用于制备子宫内膜异位症药物中,具有重要的临床价值。
Description
技术领域
本发明属于中医药学技术领域,具体涉及苦参碱在制备治疗子宫内膜异位症药物中的应用及药物组合物。
背景技术
子宫内膜异位症是指子宫在位内膜的异位生长、浸润、周期性出血所致的多种临床病理表现,临床上常出现进行性加重的痛经、不孕、月经量增多、经前期阴道点滴出血等。子宫内膜异位症通常影响骨盆器官,如卵巢、输卵管和子宫韧带等,最常见于卵巢。子宫内膜异位症是一种多因素的长期疼痛性疾病,在女性群体中的发病率为6%-10%,严重影响患者的身体健康和生活质量。
目前临床上子宫内膜异位症的治疗目的在于缩减病灶、控制疼痛、促进生育、减少复发。治疗方法中以激素为主的药物治疗占据重要地位,如对于米非司酮治疗子宫内膜异位症疗效较肯定,但存在副作用较多、复发率高、价格昂贵、引起内分泌失调等问题,且要求生育妇女在服药期间避孕,疗效难以稳固;传统手术切除难以治愈,极易复发;随着腹腔镜手术的广泛使用与普及,作为切除病灶的首选方法,然而其复发率却很高,三年复发率为7%-30%,仍然需要激素类药物合并治疗,给患者的生理、心理以及经济上都带来了巨大压力与负担。
中医学根据其症状将其归属于“痛经”“癥瘕”“月经病”“不孕”等范畴,中医学认为胞宫受寒,痰湿内蕴,气机受阻,气滞血瘀,血流不畅,离经之血不能消散,瘀血蕴积,冲任失调,日久形成癥瘕。治法当活血化瘀,散结止痛;且化瘀不伤正,扶正不恋邪。现代药理研究表明,活血化瘀药能促进瘀血的分解和吸收,软化粘连,缩小包快,并具有扩张周围血管,改善微循环,溶解纤维蛋白,改善盆腔环境,调理脏腑气血功能,抑制异位内膜组织生长,调节内分泌及免疫等功能,从而达到消除病灶,减少盆腔粘连的目的。活血化瘀药在治疗子宫内膜异位症同时,还对肌体内分泌和免疫等多方面有良好调节作用。因此,在手术和激素类药物治疗均不理想的情况下,中医中药为治疗子宫内膜异位症提供了一个很好的选择。因此,从我国丰富的中草药资源宝库中挖掘出有效中药单体并明确其在治疗子宫内膜异位症中的作用及机制具有重大的意义。
苦参碱(matrine,C15H24N2O)是一种从豆科植物苦参的干燥根、植株、果实等提取的主要成分之一,是一种喹啉类生物碱化合物。研究表明苦参碱可抑制肺癌、胃癌等肿瘤细胞的增殖和转移,在诱导肿瘤细胞分化、促进肿瘤细胞凋亡亦表现出一定的作用;可抑制Hela细胞增殖和缩短细胞存活周期从而减少扩散;还可通过抑制AKT/mTOR通路提供保护性自噬发挥抗乳腺癌作用。
子宫内膜异位症虽是一种良性疾病,但其具有类肿瘤的浸润、远处迁移及异位种植的恶性行为。子宫内膜组织主要由腺上皮细胞和间质细胞组成,目前研究表明其中间质细胞的异常增殖,迁移及侵袭能力增强是子宫内膜异位症的发病的主要原因之一,因此,如何通过靶向抑制间质细胞增殖、迁移及侵袭,促进间质细胞凋亡成为了治疗子宫内膜异位症的关键问题。
发明内容
本发明的目的是解决现有技术的不足,提供苦参碱在制备治疗子宫内膜异位症药物中的应用及药物组合物,具体采用以下的技术方案:
根据本发明的第一方面,提供了苦参碱在制备治疗子宫内膜异位症药物中的应用,抑制异位间质细胞增殖率达到30%-90%,促进异位间质细胞凋亡率达到51%-90%。
本发明通过体外分离培养子宫内膜异位症异位内膜间质细胞,将上述中药单体苦参碱通过CCK8、划痕及流式细胞术实验方法测定该中药单体对间质细胞增殖、迁移及凋亡的影响,该中药单体对子宫内膜异位症异位间质细胞增殖具有抑制作用且呈浓度及时间依赖性增长;对迁移能力抑制作用呈浓度依赖性增长;对凋亡诱导作用呈浓度依赖性增长。本发明所用中药单体苦参碱对子宫内膜异位症异位间质细胞起到抑制增殖、促进凋亡作用的同时,对于异位间质细胞的转移和复发也有显著的抑制作用。
根据本发明的第二方面,还提供了一种用于治疗子宫内膜异位症的药物组合物,该药物组合物包括苦参碱。该药物组合物的剂型为注射剂、乳膏、凝胶剂、丸剂或胶囊剂。
优选地,苦参碱的浓度为1.0 mg/mL-1.4 mg/mL。当浓度为1.0 mg/mL-1.4 mg/mL时,间质细胞活力是减弱的,说明中高浓度是抑制细胞增殖的,且抑制作用呈浓度和时间依赖性;而当浓度低于1.0 mg/mL时,在24小时后间质细胞活力增强,从而促进了细胞的增殖。当浓度为1.0 mg/mL-1.4 mg/mL时,异位内膜间质细胞凋亡率显著升高,划痕愈合率显著降低,说明促进细胞凋亡和抑制间质细胞迁移能力增强。
优选地,该药物组合物还包括药学上可接受的载体,包括溶剂、分散介质、等渗调节剂和助剂中的至少一种。其中,溶剂为水、甘油或乙醇;分散介质为水、乙醇或糖;等渗调节剂为蒸馏水、葡萄糖、多元醇或氯化钠;助剂为乳化剂、防腐剂、助溶剂或稳定剂。等渗调节剂可以在用药后维持血浆的正常渗透压,使人体血管内外及细胞内外的水保持平衡,维持人体正常的生命活动,使用高于血浆渗透量的高渗液,会使细胞脱水、皱缩,影响细胞的正常功能。
本发明的有益效果为:本发明提供苦参碱在制备治疗子宫内膜异位症药物的新用途,所用苦参碱对子宫内膜异位症异位间质细胞起到抑制增殖、促进凋亡作用的同时,对于细胞的转移和复发也有显著的抑制作用,可以广泛应用于制备子宫内膜异位症药物中,具有重要的临床价值。
附图说明
图1所示为子宫内膜异位症异位间质细胞鉴定图(100×);其中,(a)空白;(b)波形蛋白;(c)角蛋白;
图2所示为不同浓度苦参碱抑制子宫内膜异位症异位间质细胞增殖图;
图3所示为不同浓度苦参碱抑制子宫内膜异位症异位间质细胞迁移图;
图4所示为不同浓度苦参碱促进子宫内膜异位症异位间质细胞凋亡图。
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、完整的描述,以充分地理解本发明的目的、方案和效果。需要说明的是,在不冲突的情况下,本申请中的实施例及实施例中的特征可以相互组合。
实施例1
本实施例对子宫内膜异位症异位间质细胞进行分离培养和鉴定,包括以下步骤:
细胞分离培养:收集临床子宫内膜异位症患者手术后的的异位内膜组织,置于预冷的无菌PBS中,30分钟内进入超净台处理。PBS洗涤后将组织剪碎呈约1 mm3小块,置于终浓度为1 mg/mL的胶原蛋白酶IV溶液中,在37摄氏度的水浴中消化2小时,消化液依次经80目、300目无菌筛网过滤,将滤液移入离心管内,在3000 rpm/min条件下,离心5 min,弃上清液,用含10%胎牛血清、1%双抗的DMEM/F12细胞培养基重悬,置培养皿中,于CO2恒温培养箱培养2小时,换液,继续培养,并传代。
细胞鉴定:将胰酶消化细胞(异位间质细胞)制成细胞悬液,种于6孔板中,培养过夜。次日弃上清液,用PBS洗涤3次,4%多聚甲醛固定30分钟;吸弃残留液体,每孔滴一滴3%H2O2封闭内源性过氧化物酶,室温静置10分钟;再用PBS洗涤3次,滴加一抗(波形蛋白稀释度为1:70,角蛋白稀释度为1:100),以覆盖细胞为宜,置于孵箱孵育1 h;PBS洗涤3次,滴加二抗,置于孵箱孵育30分钟;PBS洗涤3次,DAB显色,镜下观察充分显色后自来水终止染色。结果如图1所示,分离培养的细胞经波形蛋白(vimentin)孵育染色呈棕黄色,角蛋白(cytokeratin)孵育不染色,说明成功分离培养原代子宫内膜间质细胞,且纯度高达90%以上。
实施例2
本实施例为子宫内膜异位症异位间质细胞增殖实验,包括以下步骤:
将胰酶消化细胞(异位间质细胞)制成细胞悬液,并将3×104CFU的细胞种于96孔板,放于CO2恒温培养箱培养24小时;24小时后根据实验分组加入不同浓度药物,正常培养液为含10%胎牛血清、1%双抗的DMEM/F12细胞培养基,每组设5个复孔,分组如下:
①空白组(正常培养液,无细胞);
②实验对照组(正常培养液+细胞,0组);
③溶剂组(正常培养液+细胞+2% PBS,PBS组);
④0.8 mg/mL实验组(正常培养液+细胞+0.8 mg/mL苦参碱(购自Sigma-Aldrich公司,CAS号:519-02-8),0.8mg/mL组);
⑤1.0 mg/mL实验组(正常培养液+细胞+1.0 mg/mL苦参碱,1.0mg/mL组);
⑥1.2 mg/mL实验组(正常培养液+细胞+1.2 mg/mL苦参碱,1.2mg/mL组);
⑦1.4 mg/mL实验组(正常培养液+细胞+1.4 mg/mL苦参碱,1.4mg/mL组)。
分别在0小时、24小时、48小时、72小时、96小时进行加药处理,滤去培养基,加入CCK8溶液,置于CO2恒温培养箱内孵育2小时,再使用酶标仪在450 nm波长下测定吸光度(OD);计算细胞存活率,细胞存活率=(实验组OD-空白组OD)/(对照组OD-空白组OD)×100%。如图2所示(从上至下依次为0.8mg/mL组、PBS组、1.0mg/mL组、1.2mg/mL组、1.4mg/mL组),与PBS组相比,低药物浓度组(0.8 mg/mL)在24小时后间质细胞活力是增强的,说明低浓度促进细胞增殖;而中高药物浓度组(1.0 mg/mL,1.2 mg/mL,1.4 mg/mL)间质细胞活力是减弱的,说明中高浓度是抑制细胞增殖的,且抑制作用呈浓度和时间依赖性。在96 h时,1.0 mg/mL组抑制间质细胞增殖率可达30%;1.2 mg/mL组抑制间质细胞增殖率可达61%;1.4 mg/mL组抑制间质细胞增殖率可达90%。
实施例3
本实施例为子宫内膜异位症异位间质细胞划痕实验,包括如下步骤:
将无菌得划痕小室贴于24孔板中,再将胰酶消化细胞(异位间质细胞)制成细胞悬液后,以3×105CFU的细胞密度种于小室内,24孔板放于CO2恒温培养箱内培养24小时,根据实验分组加入含不同浓度药物的培养基,移去划痕小室,分别于0小时和24小时拍照记录细胞愈合情况,image J软件分析计算划痕愈合率。正常培养液为含10%胎牛血清、1%双抗的DMEM/F12细胞培养基。分组如下:
①实验对照组(正常培养液+细胞,0组);
②溶剂组(正常培养液+细胞+2% PBS,PBS组);
③0.8 mg/mL实验组(正常培养液+细胞+0.8 mg/mL苦参碱,0.8 mg/mL组);
④1.0 mg/mL实验组(正常培养液+细胞+1.0 mg/mL苦参碱,1.0 mg/mL组);
⑤1.2 mg/mL实验组(正常培养液+细胞+1.2 mg/mL苦参碱,1.2 mg/mL组);
⑥1.4 mg/mL实验组(正常培养液+细胞+1.4 mg/mL苦参碱,1.4 mg/mL组)。
如图3所示,与PBS组相比,药物浓度组(0.8 mg/mL组、1.0 mg/mL组、1.2 mg/mL组、1.4 mg/mL组)的划痕愈合率显著降低,其中1.2 mg/mL组抑制间质细胞迁移能力最显著(P<0.01)。
实施例4
本实施例为子宫内膜异位症异位间质细胞凋亡实验,包括如下步骤:
将胰酶消化细胞(异位间质细胞)制成细胞悬液,以3×104CFU的细胞密度种于6孔板,放于CO2恒温培养箱内培养24小时,去除培养基,根据实验分组加入含不同浓度药物的培养基,作用48小时后,用不含EDTA的胰酶消化,离心收集细胞,加入标记了异硫氰酸荧光素(fluorescein isothiocyanate, FITC)的膜联蛋白V(Annexin V)和碘化丙啶(propidine iodide, PI)染色,避光孵育15分钟,离心,PBS洗涤后,加结合液重悬,上机检测。正常培养液为含10%胎牛血清、1%双抗的DMEM/F12细胞培养基。分组如下:
①实验对照组(正常培养液+细胞,0组);
②溶剂组(正常培养液+细胞+2% PBS,PBS组);
③0.8 mg/mL实验组(正常培养液+细胞+0.8 mg/mL苦参碱,0.8 mg/mL组);
④1.0 mg/mL实验组(正常培养液+细胞+1.0 mg/mL苦参碱,1.0 mg/mL组);
⑤1.2 mg/mL实验组(正常培养液+细胞+1.2 mg/mL苦参碱,1.2 mg/mL组);
⑥1.4 mg/mL实验组(正常培养液+细胞+1.4 mg/mL苦参碱,1.4 mg/mL组)。
如图4所示(以膜联蛋白V-异硫氰酸荧光素为横坐标,碘化丙啶为纵坐标;第一行从左至右依次为0组、PBS组、0.8 mg/mL组;第二行从左至右依次为1.0 mg/mL组、1.2 mg/mL组、1.4 mg/mL组),与PBS组相比,药物浓度组(1.0 mg/mL组、1.2 mg/mL组、1.4 mg/mL组)的细胞凋亡率显著升高,且促进凋亡的作用呈浓度依赖性。1.0 mg/mL组促进间质细胞凋亡率可达51%;1.2 mg/mL组促进间质细胞凋亡率可达81.8%;1.4 mg/mL组促进间质细胞凋亡率可达91.4%。
尽管本发明的描述已经相当详尽且特别对几个所述实施例进行了描述,但其并非旨在局限于任何这些细节或实施例或任何特殊实施例,而是应当将其视作是通过参考所附权利要求考虑到现有技术为这些权利要求提供广义的可能性解释,从而有效地涵盖本发明的预定范围。此外,上文以发明人可预见的实施例对本发明进行描述,其目的是为了提供有用的描述,而那些目前尚未预见的对本发明的非实质性改动仍可代表本发明的等效改动。
Claims (10)
1.苦参碱在制备治疗子宫内膜异位症药物中的应用,抑制异位间质细胞增殖率达到30%-90%,促进异位间质细胞凋亡率达到51%-90%。
2.一种用于治疗子宫内膜异位症的药物组合物,其特征在于,所述药物组合物包括权利要求1所述的苦参碱。
3.根据权利要求2所述的药物组合物,其特征在于,所述苦参碱的浓度为1.0 mg/mL-1.4 mg/mL。
4.根据权利要求2所述的药物组合物,其特征在于,还包括药学上可接受的载体。
5.根据权利要求4所述的药物组合物,其特征在于,所述药学上可接受的载体包括溶剂、分散介质、等渗调节剂和助剂中的至少一种。
6.根据权利要求5所述的药物组合物,其特征在于,所述溶剂为水、甘油或乙醇。
7.根据权利要求5所述的药物组合物,其特征在于,所述分散介质为水、乙醇或糖。
8.根据权利要求5所述的药物组合物,其特征在于,所述等渗调节剂为蒸馏水、葡萄糖、多元醇或氯化钠。
9.根据权利要求5所述的药物组合物,其特征在于,所述助剂为乳化剂、防腐剂、助溶剂或稳定剂。
10.根据权利要求2-9任一项所述的药物组合物,其特征在于,所述药物组合物的剂型为注射剂、乳膏、凝胶剂、丸剂或胶囊剂。
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