CN105193833A - 赶黄草单体在制备肝保护药物中的用途 - Google Patents
赶黄草单体在制备肝保护药物中的用途 Download PDFInfo
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Abstract
本发明提供了乔松素二氢查耳酮-7-O-[3"-O-没食子酰基-4",6"-六羟基联苯二甲酰基]-β-D-葡萄糖苷在制备肝保护药物中的用途。本发明赶黄草大环多酚单体乔松素二氢查耳酮-7-O-[3"-O-没食子酰基-4",6"-六羟基联苯二甲酰基]-β-D-葡萄糖苷具有保肝作用,能够预防和治疗肝损伤,对肝缺血再灌注损伤和慢性肝损伤有确切疗效,而且效果优于阳性药物肝苏颗粒,可以替代肝苏颗粒使用,具有良好的临床应用前景。
Description
技术领域
本发明涉及赶黄草单体在制备肝保护药物中的用途,具体是乔松素二氢查耳酮-7-O-[3"-O-没食子酰基-4",6"-六羟基联苯二甲酰基]-β-D-葡萄糖苷在制备肝保护药物中的用途。
背景技术
常见的肝损伤包括缺血再灌注肝损伤和化学性肝损伤。其中缺血再灌注损伤(ischemiareperfusioninjury,IRI)是外科临床最常见的问题之一。各种原因造成组织器官血液灌流量减少时发生缺血性损伤,而恢复血液灌流后,细胞功能代谢及结构破坏反而加重,出现缺血再灌注损伤。在肝移植技术日趋成熟的今天,移植肝经受缺血损伤后,随着血液的开放,又会经历再灌注损伤二次打击,这一过程在临床上因损伤程度不同可有多种表现(从无症状、轻度肝功能异常到肝功能衰竭等),但愈来愈多的研究显示,缺血再灌注损伤是导致肝切除后肝功能衰竭和肝移植后移植物早期非免疫性失活的重要原因,同时还可以增加移植器官随后发生急性和慢性排斥反应的机会,引起晚期的免疫性失活(灯盏花素预适应对大鼠肢体缺血再灌注肝损伤的保护作用,实用医学杂志,2013,9(4),543-545)。
化学性肝损伤是指由化学性肝毒物质所诱导的肝损伤,包括酒精、环境中的化学毒物及某些药物等。肝脏作为人体的重要解毒器官,具有肝动脉和肝静脉双重血液供应。化学性肝毒物质可通过胃肠道门静脉或体循环进入肝脏进行转化,因此肝脏容易受到化学性肝毒物质的损害,进一步可引起肝脏不同程度的肝细胞坏死、脂肪变形、肝硬化和肝癌(葡萄籽原花青素减轻小鼠急性化学性肝损伤,基础医学与临床,2012,32(10),1198-1201)。CCl4诱导的化学性肝损伤动物模型被广泛用于化学性肝损伤保护药物和保健食品的研发(沙棘籽油对四氯化碳肝损伤的保护作用研究,中国预防医学杂志,2010,11(5),513-516)。CCl4进入机体后,能被肝脏内的肝微粒体色素P450激活,产生三氯甲基自由基(·CC1,)和氯自由基(·C1),这些自由基攻击肝细胞膜的多不饱和脂肪酸(polyunsaturatedfattyacid,PUFA)引发脂质过氧化,导致细胞膜通透性强,严重的则使肝细胞变性坏死,胞浆内转氨酶渗出(Mechanismofcarbontetrachlorideinducedhepatotoxicity,ZNaturforschC,2011,56(728):649-659;Biochemicalandcellularmechanismsoftoxicliverinjury,SeminLiverDis,2002;22(2):137-13)。
随着肝缺血再灌注损伤机制的逐步明确,各种预防及治疗措施日益增多,但大部分都在实验阶段。1、缺血预处理(ischemicpreconditioning,IPC):Murry等发现缺血预处理能够增加够心脏对缺血的耐受性以来,IPC的保护作用在很多器官中都得到了证实。2、减轻肝脏缺血再损伤的药物:如抗氧化剂、黏附分子拮抗剂、PAF拮抗剂、细胞因子活性抑制剂、蛋白酶抑制剂以及FK506、Cyclosporine等等(肝缺血再灌注损伤,医学临床研究,2005,22(3),397-400)。而对于化学性肝损伤治疗主要包括:联苯双酯、辅酶A,肌酐等西药(糖肝康对CC1d肝损伤模型肝功能影响机制研究,中华全科医学,2012,10(12),1829-1830;D-阿洛糖对急性化学性肝损伤小鼠的保护作用研究,中国医疗前沿,2013,8(24),7-8)。
赶黄草(PenthorumchinensePursh)又名扯根菜、水泽兰、山珍珠等,据《天宝本草》、《救荒本草》等记载,赶黄草具有通络活血、祛瘀除湿、活血散瘀等作用。文献报道赶黄草具有防治肝炎、肝保护的药理活性,但至今尚未见赶黄草关于防治缺血再灌注肝损伤及化学性肝损伤活性成分的报道。另外,目前临床使用的赶黄草成方制剂“肝苏颗粒”系列产品,由于生产工艺仍为传统的水提醇沉,活性成分未能充分的富集,临床多用于肝病的辅助治疗,因此需要进一步的提高。
发明内容
为了解决上述问题,本发明提供了赶黄草单体在制备肝保护药物中的用途。
本发明提供了乔松素二氢查耳酮-7-O-[3"-O-没食子酰基-4",6"-六羟基联苯二甲酰基]-β-D-葡萄糖苷在制备肝保护药物中的用途,其结构式如下式I:
优选地,所述药物是保护肝细胞的药物。
优选地,所述药物是预防和/或治疗肝损伤的药物。进一步优选地,所述药物是预防和/或治疗肝缺血再灌注肝损伤及化学性肝损伤的药物。再进一步优选地,所述化学性肝损伤是慢性肝损伤。
本发明还提供了一种肝保护药物,它是以乔松素二氢查耳酮-7-O-[3"-O-没食子酰基-4",6"-六羟基联苯二甲酰基]-β-D-葡萄糖苷为活性成分,加上药学上可接受的辅料或者辅助性载体制备而成的制剂,乔松素二氢查耳酮-7-O-[3"-O-没食子酰基-4",6"-六羟基联苯二甲酰基]-β-D-葡萄糖苷的结构式如下:
优选地,所述剂型为经胃肠道给药剂型。
进一步优选地,所述经胃肠道给药剂型为颗粒剂、散剂、片剂、丸剂、胶囊剂、茶剂、酒剂或口服液。
本发明赶黄草大环多酚单体乔松素二氢查耳酮-7-O-[3"-O-没食子酰基-4",6"-六羟基联苯二甲酰基]-β-D-葡萄糖苷具有保肝作用,能够预防和治疗肝损伤,对肝缺血再灌注损伤和慢性肝损伤有确切疗效,而且效果优于阳性药物肝苏颗粒,可以替代肝苏颗粒使用,具有良好的临床应用前景。
显然,根据本发明的上述内容,按照本领域的普通技术知识和惯用手段,在不脱离本发明上述基本技术思想前提下,还可以做出其它多种形式的修改、替换或变更。
以下通过实施例形式的具体实施方式,对本发明的上述内容再作进一步的详细说明。但不应将此理解为本发明上述主题的范围仅限于以下的实例。凡基于本发明上述内容所实现的技术均属于本发明的范围。
附图说明
图1赶黄草多酚单体在大鼠缺血再灌注肝损伤保护中对ALB的升高作用纵坐标ALB表达量,单位(g/l),*P<0.05与模型组相比。A:正常对照组;B:模型组;C:预处理给药组;D:术后给药组;E:预处理肝苏颗粒组;F:术后给药肝苏颗粒组。
图2赶黄草多酚单体在大鼠缺血再灌注肝损伤保护中对ALT的降低作用。纵坐标ALT表达量,单位(u/l),*P<0.05与模型组相比。A:正常对照组;B:模型组;C:预处理给药组;D:术后给药组;E:预处理肝苏颗粒组;F:术后给药肝苏颗粒组。
图3赶黄草多酚单体在大鼠缺血缺血再灌注肝损伤保护中对AST的降低作用纵坐标AST表达量,单位(u/l),*P<0.05与模型组相比。
A:正常对照组;B:模型组;C:预处理给药组;D:术后给药组;E:预处理肝苏颗粒组;F:术后给药肝苏颗粒组。
图4赶黄草多酚单体在大鼠缺血再灌注肝损伤保护中对MDA的降低作用。纵坐标MDA含量,单位(nmol/mg·prot),*P<0.05与模型组相比。A:正常对照组;B:模型组;C:术后给药组;D:预处理给药组;E:预处理肝苏颗粒组;F:术后给药肝苏颗粒组。
图5赶黄草多酚单体在缺血再灌注肝损伤保护中HE染色结果。A:正常对照组;B:模型组;C:术后给药组;D:预处理给药组;E:预处理肝苏颗粒组;F:术后给药肝苏颗粒组。
图6赶黄草大环多酚单体在CCl4诱导的大鼠慢性肝损伤保护中对ALT的降低作用。纵坐标ALT表达量,单位(IU/l),△△P<0.01与正常组相比,*P<0.05与模型组相比。A:正常对照组;B:模型组;C:秋水仙碱组;D:肝苏颗粒组;E:单体高剂量组;F:单体中剂量组;G:单体低剂量组。
图7赶黄草大环多酚单体在CCl4诱导的大鼠慢性肝损伤保护中对SOD的升高作用。纵坐标SOD含量,单位(U/mg·prot),△△P<0.01与正常组相比,*P<0.05与模型组相比。A:正常对照组;B:模型组;C:秋水仙碱组;D:肝苏颗粒组E:单体高剂量组;F:单体中剂量组;G:单体低剂量组。
图8赶黄草大环多酚单体在CCl4诱导的大鼠慢性肝损伤保护中HE染色结果。A:正常对照组;B:模型组;C:秋水仙碱组;D:肝苏颗粒组E:单体高剂量组;F:单体中剂量组;G:单体低剂量组。
图9赶黄草大环多酚单体在CCl4诱导的大鼠慢性肝损伤保护中Masson染色结果。A:正常对照组;B:模型组;C:秋水仙碱组;D:肝苏颗粒组E:单体高剂量组;F:单体中剂量组;G:单体低剂量组。
图10赶黄草大环多酚单体在CCl4诱导的大鼠慢性肝损伤保护中超微结构电镜观察结果。A:正常对照组;B:模型组;C:秋水仙碱组;D:肝苏颗粒组E:单体高剂量组;F:单体中剂量组;G:单体低剂量组。
具体实施方式
实施例所用原料市售得到。
实施例1大环多酚化合物的制备
取扯根菜30kg,粉碎,加10-15倍水煎煮2次,每次2h,合并提取液,减压浓缩(60℃)得粗提物浸膏(相对密度为1.12~1.18),离心(5000rpm/min),得到沉淀部位3.5kg。取沉淀部位3.0kg,加入3.0kg100-200目硅胶,进行硅胶柱层析,以二氯甲烷:甲醇(50:1-0:1)梯度洗脱,经TLC(硅胶薄层板)检测,得到13个流份(Fr1-Fr13)。合并Fr10和Fr11两部位,浓缩,加水混悬后离心(5000rpm/min),经MCI-CHP20P凝胶柱色谱,以甲醇:水(1:9~1:0)梯度洗脱,经TLC(硅胶薄层板)检测,得到10个流份(Fr1-Fr10)。流份Fr8经反相硅胶柱(ODS-C18)分段,经TLC(硅胶薄层板)检测,得Ⅰ-Ⅵ6个流份,其中流份Ⅳ经凝胶柱(LH-20)2次纯化后得目标化合物乔松素二氢查耳酮-7-O-[3"-O-没食子酰基-4",6"-六羟基联苯二甲酰基]-β-D-葡萄糖苷(5734.6mg),其结构式如下I:
以下通过实验例说明本发明的有益效果:
实验例1体外肝细胞保护实验
1材料与方法
1.1试验药物
实施例1制备所得单体化合物乔松素二氢查耳酮-7-O-[3"-O-没食子酰基-4",6"-六羟基联苯二甲酰基]-β-D-葡萄糖苷,结构式如下I:
实验材料
过氧化氢(H2O2),分析纯,购自上海国药集团化学试剂有限公司;细胞培养:DMEM培养基(Dulbecco’sModifiedEagle’sMedium)干粉,PRMIMedium1640培养基干粉,胎牛血清(fetalbovineserum,FBS)均为美国Gibco公司产品;胰酶(Trypsin),Amresco公司产品;细胞毒性、增殖试验:CellCountingKit-8(CCK-8试剂盒),购自碧云天生物技术研究所;细胞系:人正常肝细胞系(HL-7702),购自中国科学院上海细胞库;主要仪器设备:PowerWaveXS微孔板分光光度计,购自美国伯腾仪器有限公司(BioTek);
1.2实验方法
细胞培养:HL-7702细胞,以含10%FBS的RPMI-1640培养液培养,每3-4天传代1次;样品配制:样品溶于DMSO,贮存浓度为20mg/ml。
1.2.1样品对HL-7702细胞的毒性范围
HL-7702细胞以5000个/孔接种于96孔板,长至亚单层,弃原培养液,换为不同浓度梯度的药物培养液,100μl/孔,5个复孔,孵育24h。CCK-8法检测药物对细胞计数的影响。
1.2.2样品对H2O2诱导的HL-7702损伤的影响
HL-7702细胞以5000个/孔接种于96孔板,长至亚单层,分为Control组、H2O2组、各药物组,各药物与细胞孵育24h后,再以3.2mMH2O2作用2h。弃培养液,每孔加入100μlCCK-8溶液,孵育2h,在微孔板扫描分光光度计上测定吸光度OD450值。
1.3统计分析
计量资料用表示。P<0.05表示差异具有统计学意义。
2实验结果
单体化合物毒性及肝细胞保护活性的结果,见表1和2
表1单体化合物的对正常培养的HL-7702细胞的毒性
浓度(μM) | 吸光度(OD450) |
正常组 | 1.166±0.053 |
2.5 | 1.2252±0.044 |
5 | 1.212±0.015 |
10 | 1.0984±0.025 |
20 | 1.0856±0.076 |
40 | 1.081±0.064 |
80 | 0.8842±0.033** |
表2单体化合物对H2O2诱导HL-7702细胞损伤的作用
浓度(μM) | 吸光度(OD450) |
1.25 | 0.269±0.009** |
5 | 0.284±0.009** |
20 | 0.288±0.009** |
模型组 | 0.247±0.008## |
正常组 | 0.886±0.021 |
3结论
由赶黄草中分离得到的单体多酚化合物,当加入浓度为80μM时,正常肝细胞HL-7702细胞的吸光度明显降低,提示该单体化合物的安全剂量小于80μM,在有H2O2诱导HL-7702细胞实验中,不同浓度的单体多酚化合物能搞显著提高HL-7702细胞的吸光度,说明该化合物乔松素二氢查耳酮-7-O-[3"-O-没食子酰基-4",6"-六羟基联苯二甲酰基]-β-D-葡萄糖苷(具有肝细胞保护作用。
实验例2大环多酚单体化合物体内防治缺血再灌注肝损伤实验
1材料与方法
1.1试验药物
实施例1制备所得单体化合物乔松素二氢查耳酮-7-O-[3"-O-没食子酰基-4",6"-六羟基联苯二甲酰基]-β-D-葡萄糖苷,结构式如下I:
1.2实验材料
SD大鼠(上海斯莱克实验动物有限公司,动物合格证号:SYXK(沪)2013-0005;体重:250g左右;性别:雄性;每组6只);MDA、T-SOD试剂盒
1.3大鼠肝脏缺血再灌注损伤模型的建立:
将大鼠用10%的水合氯醛进行麻醉,约一分钟后大鼠昏迷,将大鼠固定于操作台上,腹部喷洒75%酒精进行消毒,用剪刀小心剪开大鼠腹部表皮,再沿腹中线剪开内皮至胸腔,使肝脏完全暴露,创口约4cm,用两个用生理盐水浸润过的棉签小心翻开大鼠肝脏右叶,找到右叶下肝动脉,并用动脉夹夹住肝动脉至右叶分叉上方,使除去右叶之外的75%肝脏处于缺血状态,发现右叶依然呈鲜红色,其他缺血部分肝脏呈暗红色。用湿润的棉球覆盖于大鼠腹部,打开计时器,调整至45min。
45min后取出动脉夹,缝合大鼠并保持大鼠体温,记录时间,三小时后将大鼠再次麻醉,打开大鼠腹部,找到下腔静脉,用纱布擦干净周围组织,用剪刀剪断下腔静脉取血(取血前向离心管内加入约2ml肝素并摇晃瓶身,防止凝血),取血完毕后用剪刀小心剪下大鼠肝脏,生理盐水冲洗后分成四部分,缺血与不缺血部分各剪成两块,一块放入-80℃冰箱用于各项指标的检测,另一块浸泡于4%多聚甲醛,用于蜡块包埋,以便于之后的免疫组化等试验。
1.4实验分组及给药剂量
将大鼠分为四组,每组6只,分别为:正常对照组、假手术组、预处理给药组,术后给药组,预处理肝苏颗粒给药组,术后肝苏颗粒给药组。
预处理及术后给药组给药浓度均为10mg/kg;给药方式为灌胃,每天灌胃一次。
1.5缺血再灌注各项指标的检测:
1.5.1肝功能检测
将取出的大鼠血液离心,取上层血清,进行肝功能的检测。
1.5.2HE染色
将多聚甲醛固定的大鼠肝脏组织进行蜡块包埋,制成组织切片进行HE染色。
1.5.3缺血再灌注各项指标(MDA)试剂盒检测。
2实验结果
2.1肝功能检测结果
随着肝损伤加重,ALB值应降低,AST和ALT值应升高,所以模型组与正常组相比,ALB值下降,AST与ALT值上升。预处理给药组和术后给药组能够使ALB值升高,AST和ALT值降低(*p<0.05)。各项检测指标的变化见表3、图1-3。
表3.大环多酚单体化合物对大鼠缺血再灌注肝损伤模型肝功能的影响
注:*p<0.05,**p<0.01vs模型组.
2.2HE染色结果
从HE染色结果来看,模型组织形态最不规则,组织损伤最严重,而预处理组与正常组组织形态最接近,说明其损伤程度较小。组织形态变化见图5。
2.3MDA检测结果
随着肝损伤加重,MDA表达量上升,所以模型组与正常组相比MDA表达量上升。预处理给药组和术后给药组能够使SOD与MDA表达量降低,且预处理组比术后给药组效果更好(*p<0.05)。各项检测指标的变化见表4,图4.
表4.大环多酚单体化合物大鼠缺血再灌注肝损伤MDA的影响
注:*p<0.05vs模型组.
3实验结论
从实验结果可以看出,与模型组相比,本发明当体化合物的预处理和术后给药物组的ALB值升高,AST和ALT值降低,肝损伤程度小,降低MDA表达量,说明本发明赶黄草大环多酚单体乔松素二氢查耳酮-7-O-[3"-O-没食子酰基-4",6"-六羟基联苯二甲酰基]-β-D-葡萄糖苷能够预防和治疗肝缺血再灌注损伤。
同时,与阳性药物肝苏颗粒相比,采用本发明单体化合物,在给药量大幅度降低的情况下,治疗效果反而更优,可以替代肝苏颗粒使用,具有良好的临床应用前景。
实验结果说明,本发明赶黄草大环多酚单体乔松素二氢查耳酮-7-O-[3"-O-没食子酰基-4",6"-六羟基联苯二甲酰基]-β-D-葡萄糖苷可以治疗和预防肝缺血再灌注损伤,疗效优良。
实验例3赶黄草大环多酚单体体内防治CCl4诱导慢性肝损伤实验
1材料与方法
1.1试验药物
实施例1制备所得单体化合物乔松素二氢查耳酮-7-O-[3"-O-没食子酰基-4",6"-六羟基联苯二甲酰基]-β-D-葡萄糖苷,结构式如下I:
1.2实验材料
健康成年SD大鼠,雄性,SPF级,体重180~200g,购于上海市西普尔-必凯实验动物有限公司,实验动物质量合格证号:SCXK(沪)2008-0016.MDA、T-SOD试剂盒
1.3CCl4诱导慢性肝损伤模型的建立:
除正常对照组大鼠外,其余大鼠腹腔注射40%CCl43ml/kg(用橄榄油配置成混悬液),连续注射4周,每隔3天注射1次。药物干预组大鼠自造模开始灌胃给药,连续4周。于实验结束末,动物禁食24h,10%水合氯醛麻醉、腹主动脉采血,制备血清。
1.4实验分组及给药剂量
动物分组:大鼠于动物房适应性常规饲养l周后,开始进行实验。实验大鼠分为10组,随机分为正常对照组、模型组、秋水仙碱组、单体低、中、高剂量组。
给药剂量:秋水仙碱0.5mg;赶黄草大环多酚单体低剂量3mg/kg、赶黄草大环多酚单体中剂量9mg/kg、赶黄草大环多酚单体高剂量27mg/kg。正常对照组和模型组给予等体积的0.5%CMC-Na溶液;所有药物均采用灌胃方式给药,给药体积为10ml/kg。
1.5各项指标的检测:
1、ALT、SOD的检测
取大鼠血清,离心后用自动生化仪检测血清丙氨酸氨基转移酶(ALT)、超氧化物歧化酶(SOD)。
2、病理学观察
取肝脏相同部位肝左叶组织,一部分切成2cm×2cm大小组织块,经10%中性甲醛溶液固定、石蜡包埋、切片,进行HE染色和masson染色。
3、超微结构电镜观察
取肝脏组织,切成1.5mm3大小组织,经4%戊二醛,1%饿酸固定,梯度丙酮脱水,618环氧树脂包埋,LKB超薄切片机切片,日立H-600透射电镜观察。
2实验结果
2.1ALT、SOD的检测
随着肝损伤加重,ALT值应升高,SOD值应降低,所以模型组与正常对照组相比,SOD值下降,ALT值上升。单体中高剂量组能够使SOD升高,ALT值降低(**p<0.01,*p<0.05vs模型组;ΔΔp<0.01vs正常对照组)。各项检测指标的变化见表5、图6-7。
表5.大环多酚单体对大鼠四氯化碳慢性肝损伤模型肝功能的影响
注:ΔΔp<0.01vs正常组,*p<0.05,**p<0.01vs模型组.
2.2病理学观察结果
HE染色结果显示,正常对照组肝细胞未见变性和坏死,肝内未见纤维组织增生,小叶结构清晰,肝组织正常。模型组大鼠肝脏组织可见肝组织损伤严重,肝小叶结构破坏,肝细胞空泡化、脂肪样变,伴有炎细胞浸润等病理性改变。阳性药物秋水仙碱及部位中高剂量组。结果见图8.
Masson染色,肝组织胶原蛋白经Masson染色、光镜下呈蓝色。Masson染色结果显示,正常对照组大鼠肝组织胶原较少,仅见中央静脉周围;模型组大鼠肝组织可见大量相互交联的胶原纤维;阳性药物秋水仙碱及赶黄草大环多酚单体中高剂量组大鼠肝组织内胶原含量明显减少,仅在门管区、中央静脉及小叶间有分布胶原蛋白。结果见图9.
2.3超微结构电镜观察结果
正常对照组肝细胞结构正常,部分有脂滴,细胞之间有极少量的胶原。模型组正常肝细胞结构消失,肝细胞核变形,内质网扩张,有的肝细胞内大量空泡,细胞凋亡,肝细胞间成束的胶原,成纤维细胞增多。阳性药物秋水仙碱及赶黄草大环多酚单体部位中高剂量组明显改善肝纤维化超微结构变化程度,肝组织超微结构介于模型与正常对照之间。结果详见图10.
3.实验结论
赶黄草大环多酚单体能够防治CCl4诱导的肝损伤,从各项指标来看对肝脏的保护,赶黄草大环多酚单体中高剂量组大鼠的治疗效果很显著,大大降低了肝损伤大鼠血清中ALT的含量以及升高SOD的含量;HE染色和Masson染色结果提示赶黄草大环多酚单体能够明显保护肝损伤;从超微结构电镜观察结果可以看出,赶黄草大环多酚单体部位中高剂量组明显改善肝纤维化超微结构变化程度。因此赶黄草大环多酚单体对肝损伤具有防治作用。
从实验结果可以看出,与模型组相比,本发明赶黄草大环多酚单体乔松素二氢查耳酮-7-O-[3"-O-没食子酰基-4",6"-六羟基联苯二甲酰基]-β-D-葡萄糖苷的高剂量组的SOD值升高,ALT值降低,肝损伤程度小,说明本发明赶黄草大环多酚提取物能够治疗CCl4诱导的慢性肝损伤。
同时,与阳性药物肝苏颗粒相比,采用本发明赶黄草大环多酚单体乔松素二氢查耳酮-7-O-[3"-O-没食子酰基-4",6"-六羟基联苯二甲酰基]-β-D-葡萄糖苷,在给药量大幅度降低的情况下,治疗效果反而更优,可以替代肝苏颗粒使用,具有良好的临床应用前景。
综上,本发明赶黄草大环多酚单体乔松素二氢查耳酮-7-O-[3"-O-没食子酰基-4",6"-六羟基联苯二甲酰基]-β-D-葡萄糖苷具有保肝作用,能够预防和治疗肝损伤,对肝缺血再灌注损伤和慢性肝损伤有确切疗效,而且在用量减小的情况下效果反而优于阳性药物肝苏颗粒,可以替代肝苏颗粒使用,服用量少,服用更方便,临床应用前景良好。
Claims (8)
1.如下式I所示的化合物在制备肝保护药物中的用途:
2.根据权利要求1所述的用途,其特征在于:所述药物是保护肝细胞的药物。
3.根据权利要求1所述的用途,其特征在于:所述药物是预防和/或治疗肝损伤的药物。
4.根据权利要求2所述的用途,其特征在于:所述药物是预防和/或治疗肝缺血再灌注肝损伤及化学性肝损伤的药物。
5.根据权利要求3所述的用途,其特征在于:所述化学性肝损伤是慢性肝损伤。
6.一种肝保护药物,其特征在于:它是以如下式I所示的化合物为活性成分,加上药学上可接受的辅料或者辅助性载体制备而成的制剂:
7.根据权利要求6所述的药物组合物,其特征在于:所述剂型为经胃肠道给药剂型。
8.根据权利要求7所述的药物组合物,其特征在于:所述经胃肠道给药剂型为颗粒剂、散剂、片剂、丸剂、胶囊剂、茶剂、酒剂或口服液。
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CN110229204A (zh) * | 2019-05-29 | 2019-09-13 | 四川大学 | 一种治疗帕金森疾病药物中的化合物pghg制备方法 |
CN110229204B (zh) * | 2019-05-29 | 2020-04-17 | 四川大学 | 一种帕金森疾病保护药物中的化合物pghg制备方法 |
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