WO2013102437A1 - 丹参或丹参制剂在制备治疗肝纤维化相关疾病的药物中的应用 - Google Patents

丹参或丹参制剂在制备治疗肝纤维化相关疾病的药物中的应用 Download PDF

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WO2013102437A1
WO2013102437A1 PCT/CN2013/070037 CN2013070037W WO2013102437A1 WO 2013102437 A1 WO2013102437 A1 WO 2013102437A1 CN 2013070037 W CN2013070037 W CN 2013070037W WO 2013102437 A1 WO2013102437 A1 WO 2013102437A1
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liver
danshen
use according
preparation
fibrosis
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PCT/CN2013/070037
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English (en)
French (fr)
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朱永宏
胡金芳
马洁
申秀萍
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天士力制药集团股份有限公司
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Priority to EP13733640.0A priority Critical patent/EP2801365A4/en
Priority to JP2014550629A priority patent/JP2015503572A/ja
Priority to US14/370,711 priority patent/US9895405B2/en
Priority to RU2014130412A priority patent/RU2623147C2/ru
Priority to KR1020147020997A priority patent/KR20140114398A/ko
Priority to AU2013207295A priority patent/AU2013207295B2/en
Priority to CA2862442A priority patent/CA2862442A1/en
Publication of WO2013102437A1 publication Critical patent/WO2013102437A1/zh

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K36/00Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
    • A61K36/18Magnoliophyta (angiosperms)
    • A61K36/185Magnoliopsida (dicotyledons)
    • A61K36/53Lamiaceae or Labiatae (Mint family), e.g. thyme, rosemary or lavender
    • A61K36/537Salvia (sage)
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/045Hydroxy compounds, e.g. alcohols; Salts thereof, e.g. alcoholates
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/20Pills, tablets, discs, rods
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/48Preparations in capsules, e.g. of gelatin, of chocolate
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P1/00Drugs for disorders of the alimentary tract or the digestive system
    • A61P1/16Drugs for disorders of the alimentary tract or the digestive system for liver or gallbladder disorders, e.g. hepatoprotective agents, cholagogues, litholytics
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00Antineoplastic agents
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P43/00Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2121/00Preparations for use in therapy

Definitions

  • the invention belongs to the field of medicine, and specifically relates to the application of salvia miltiorrhiza or salvia miltiorrhiza preparations in treating diseases related to liver fibrosis.
  • Liver fibrosis is an inevitable stage of cirrhosis, and anti-fibrosis is essential.
  • anti-fibrosis is essential.
  • drugs such as cytokines and antioxidants have been used for experimental research, but the clinical therapeutic effect is not satisfactory.
  • the anti-fibrosis effect of traditional Chinese medicine has received increasing attention from people and has shown good application prospects.
  • Salvia miltiorrhiza is bitter, slightly cold, and has the effects of promoting blood circulation, nourishing blood and soothing the nerves, cooling blood and removing phlegm and detoxifying the muscles. It is a commonly used medicine for promoting blood circulation and removing blood stasis.
  • Salvia miltiorrhiza contains mainly fat-soluble diterpenoids and water-soluble phenolic acids, and contains other components such as flavonoids, triterpenoids and alcohols.
  • the water-soluble phenolic acid component is a polyphenolic acid such as salvianolic acid, protocatechuic aldehyde, protocatechuic acid, caffeic acid and salviane and a derivative or dimer of caffeic acid (such as salvianolic acid A).
  • Tanshinone is one of the representative components of Salvia miltiorrhiza Bunge. Modern pharmacological studies have demonstrated that Danshen has the effects of dilating coronary artery, anti-myocardial ischemia, anticoagulation, antithrombotic, sedative pain, and lowering blood fat and anti-atherosclerosis.
  • the invention uses the CC compound factor method to induce the liver fibrosis model, and gives the high, medium and low doses of the test drug danshen preparation with the ⁇ ig, and the experiment is carried out for 7 weeks, and the serum alanine aminotransferase (ALT) and the Tianmen are measured.
  • Aspartate aminotransferase (AST), N-acetyl- ⁇ -D-glucosaminidase (NAG) activity and total protein (TP), albumin (ALB), type IV collagen determination of liver tissue super Oxide dismutase (SOD) activity, malonic acid
  • results show that Salvia miltiorrhiza
  • the preparation can significantly inhibit the activity of ALT, AST and NAG in serum, reduce the amount of type IV collagen in serum, increase the amount of TP and ALB in serum, reduce the level of Hyp and MDA in liver tissue, and increase liver tissue.
  • the activity of SOD; inhibiting the increase of collagen fibers in liver tissue can also reduce the expression of ⁇ -SMA in liver tissue.
  • the salvia miltiorrhiza according to the present invention comprises a fresh salvia miltiorrhiza medicinal material or a processed salvia miltiorrhiza medicinal material, and a product prepared by processing the salvia miltiorrhiza medicinal material, for example, a product obtained by pulverizing or extracting the salvia miltiorrhiza medicinal material, and the extraction of the salvia miltiorrhiza medicinal material can be carried out by water extraction.
  • the method of alcohol extraction, water extraction and alcohol precipitation may further include a purification step, such as resin purification.
  • the Danshen preparation of the invention is a medicine prepared by using Danshen as a raw material medicine, and the Danshen preparations which have been marketed at present include Danshen tablets, Danshen capsules, Danshen dropping pills and the like.
  • the salvia miltiorrhiza preparation of the present invention is prepared by the following method: First, the raw material medicine is processed into a pharmaceutical active ingredient, and further prepared into a pharmaceutical preparation.
  • the preparation method of the Danshen preparation of the present invention belongs to the prior art, can be obtained from the existing patent publications, or can be prepared according to the disclosed pharmaceutical standards.
  • the Danshen preparation of the present invention is preferably Danshen dropping pills.
  • the salvia miltiorrhiza preparation according to the present invention is a pharmaceutical composition prepared from salvia miltiorrhiza, and the composition may contain a pharmaceutically acceptable carrier as needed, and the pharmaceutically acceptable carrier may be 0.1-99.9% by weight in the preparation. .
  • the pharmaceutical composition of the present invention is present in unit dosage form, which refers to a unit of the preparation, such as each tablet of the tablet, each capsule of the capsule, each bottle of the oral solution, the granules per bag, and each of the injections. Branch and so on.
  • the Salvia miltiorrhiza preparation of the present invention may be in any pharmaceutically acceptable dosage form, and the dosage forms include: tablets, such as sugar-coated tablets, film-coated tablets, enteric coated tablets; capsules, such as hard capsules, soft capsules; Liquid; granules; granules; granules; granules; powders; ointments; for example, ointments, plasters; medicinal preparations; suspensions; powders; solutions; for example, injections; suppositories; creams; Pills; patch.
  • tablets such as sugar-coated tablets, film-coated tablets, enteric coated tablets
  • capsules such as hard capsules, soft capsules
  • Liquid granules; granules; granules; granules; powders; ointments; for example, ointments, plasters
  • medicinal preparations suspensions; powders; solutions; for example, injections; supposito
  • the orally administered preparation may contain usual excipients such as a binder, a filler, a diluent, a tablet, a lubricant, a disintegrant, a coloring agent, a flavoring agent, and a moisturizing agent.
  • a binder such as a polyethylene glycol dimethacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, polymethyl methacrylate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium sulfate, sodium
  • Suitable fillers include cellulose, mannitol, lactose and other similar fillers.
  • Suitable disintegrants include starch, polyvinylpyrrolidone and starch derivatives (e.g., sodium starch glycolate).
  • Suitable lubricants include magnesium stearate.
  • Suitable pharmaceutically acceptable wetting agents include sodium decyl sulfate.
  • Solid oral compositions can be prepared by conventional methods such as mixing, filling, tableting, and the like.
  • the active substance can be distributed throughout the composition using a large amount of the filler by repeated mixing.
  • the oral liquid preparation may be in the form of, for example, an aqueous or oily suspension, solution, emulsion, syrup or elixir, or may be a dry product which may be formulated with water or other suitable carrier before use.
  • Such liquid preparations may contain conventional additives such as suspending agents such as sorbitol, syrup, methylcellulose, gelatin, hydroxyethylcellulose, carboxymethylcellulose, aluminum stearate or hydrogenated edible fats.
  • Emulsifiers such as egg yolk, sorbitan monooleate or gum arabic; non-aqueous vehicles which may include edible oils, such as almond oil, fractionated coconut oil, oily esters such as glycerides, propylene glycol or ethanol: A preservative such as p-hydroxybenzyl or propylparaben or sorbic acid; if desired, may contain conventional flavoring or coloring agents.
  • edible oils such as almond oil, fractionated coconut oil, oily esters such as glycerides, propylene glycol or ethanol
  • a preservative such as p-hydroxybenzyl or propylparaben or sorbic acid; if desired, may contain conventional flavoring or coloring agents.
  • the liquid unit dosage form prepared contains the active substance of the invention and a sterile vehicle.
  • This compound may be suspended or dissolved depending on the carrier and concentration.
  • the solution is usually prepared by dissolving the active substance in a carrier, sterilizing it by filtration, filling it into a suitable vial or ampoule, and then sealing. Excipients such as local anesthetics, preservatives, and buffers can also be dissolved in such carriers.
  • the composition can be frozen after filling the vial and the water removed under vacuum.
  • the salvia miltiorrhiza preparation of the present invention may optionally be added to a suitable pharmaceutically acceptable carrier when prepared as a medicament
  • the pharmaceutically acceptable carrier includes, but is not limited to, the following: from a sugar alcohol such as mannitol or sorbitol Alcohol, xylitol; amino acids, such as cysteine hydrochloride, methionine, glycine; vitamin C; disodium EDTA, sodium EDTA; inorganic salts, such as monobasic alkali metal carbonates, acetates, phosphates or Aqueous solution; sodium chloride, potassium chloride; sodium metabisulfite, sodium hydrogen sulfite, sodium thiosulfate; calcium carbonate, calcium hydrogencarbonate; stearate, such as calcium stearate, magnesium stearate; For example, hydrochloric acid, sulfuric acid, phosphoric acid; organic or organic acid salts such as acetic acid, thioglycolic acid, sodium lactate;
  • the Danshen preparation of the present invention determines the usage amount according to the condition of the patient at the time of use.
  • a Danshen dropping pill prepared according to the method of Example 1 can be administered 20 times a day, 3 times a day, and a course of 24-32 weeks.
  • Figure 1 Effect of Danshen Dripping Pills on the expression of ⁇ -SMA in liver tissue of rats with liver fibrosis induced by CC1 4 (10 X 20).
  • Figure 2 Effect of Danshen Dripping Pills on the pathological morphology of liver tissue in rats with CC1 4 induced hepatic fibrosis (HE staining, 10 X 10).
  • Figure 3 Effect of Danshen dripping pills on liver histopathology in rats with CC-induced hepatic fibrosis (Masson staining, 10 X 10).
  • Salvia miltiorrhiza is pulverized into medium powder, extracted with 95% ethanol as solvent, extracted 3 times, each time 2 hours, ethanol is recovered and concentrated into thick paste, and the dregs are boiled twice with water for 1 hour each time. After that, the filtrate was concentrated to an appropriate amount, and combined with the above thick paste to obtain a salvia miltiorrhiza extract.
  • the above-mentioned salvia miltiorrhiza extract is pulverized and passed through a 80 mesh sieve; the 10% starch slurry is separately made into a soft material, and then granulated by a 14 mesh nylon sieve, and dried at 70 ° C to a moisture content of 3% or less: after the above particles are uniformly mixed, Fill in the empty capsule No. 1 and you will get it.
  • hepatic fibrosis The key to the occurrence of hepatic fibrosis is the activation of hepatic stellate cells (HSC) and the excessive deposition of extracellular matrix (ECM).
  • HSC hepatic stellate cells
  • ECM extracellular matrix
  • the activated HSC proliferates in a large amount and is transformed into myofibroblasts, which in turn produces a large amount of ECM.
  • the principle of using the CC model to induce liver fibrosis in this experiment is: direct dissolution of the liver cell membrane, resulting in degeneration and necrosis of hepatocytes, but the toxicity of CC is mainly related to its active metabolites, and ec is metabolized by mixed functional oxidase in hepatocytes.
  • ALT and AST activity are sensitive indicators of hepatocyte injury.
  • Serum total protein determination (TP), albumin (ALB) reduction is positively correlated with the degree of liver synthesis.
  • the other groups were injected subcutaneously (sc) with pure CC 5 ml/kg for the first time, and sc 40% CCU-olive oil 3 ml/kg every 3 days for 7 weeks.
  • the corn flour feed of 20% lard plus 0.5% cholesterol was fed for the first 2 weeks, and the corn flour feed was fed for 3-6 weeks.
  • Fuzheng Huayu 1500 mg/kg
  • Each drug-administered group received ig corresponding drugs every day from the day of modeling, and the control group and the model group were given distilled water (10 mL/kg) for 7 weeks.
  • the rats were anesthetized with sodium pentobarbital, blood was taken from the abdominal aorta, and serum was collected by centrifugation.
  • Sections were routinely dewaxed, hydrated, washed with PBS for 15 min, 3% 3 ⁇ 40 2 blocked endogenous peroxidase, incubated at room temperature for 10 min, washed with PBS for 15 min ; placed in a 0.01 mol/L sodium citrate buffer solution After 15 min, rinse with natural PBS for 15 min, remove excess fluid; add a-SMA (1:100) monoclonal antibody, incubate at 37 °C for 1 h, wash with PBS for 15 min; add Polymer Helper, 37 ° (incubation) 20 1 ⁇ 11, wash in PBS for 15 min; add poly-HRP anti-Mouse IgG antibody, incubate at 37 °C for 20 min, wash in PBS for 15 min, DAB color, rinse with tap water for 10 min.
  • a-SMA (1:100) monoclonal antibody incubate at 37 °C for 1 h, wash with PBS for 15 min
  • Polymer Helper 37 ° (incuba
  • Hematoxylin counterstaining, dehydration, transparent, A-SMA staining was brownish yellow.
  • Image analysis was performed using Image-Proplus 6.0 image analysis software. Five fields were randomly taken from each slice, and the integrated optical density (IOD) of each field of view was recorded. The IOD value was more. Large, indicating that the positive expression product is stronger.
  • liver fibrosis was examined microscopically and semi-quantitatively analyzed.
  • the standard of hepatic fibrosis was: "one" normal liver, only a small amount of fibrous connective tissue in the portal area, which is a normal structural component; " Collagen fibrosis around the central canal and lobular central vein, a small number of fiber bundles in the central vein and portal vein are scattered and extended, but no fibrous septa is formed, and the lobular structure is still preserved; " + + "collagen fibrosis, central venous and portal vein fiber bundles Peripheral extension, incompletely spaced, lobular structure mostly retained; "+ + +” collagen fibers proliferate, with a small amount of thin, completely separated, lobular structure disrupted; " + + + + “completely thickened, pseudolobule formation .
  • the results are shown in Table 5, Figure 2, and Figure 3.
  • the liver lobules of the rats were intact in structure and clear in structure.
  • the liver cells were normal in shape and arranged in a cord-like shape centered on the central vein.
  • the hepatic sinus was clear, and a small amount of fibrous tissue in the larger portal area was present as a normal structure.
  • the hepatic lobules of the model group had different degrees of destruction, and the liver cells were disorderly arranged.
  • the portal area, central vein, and portal vein had different degrees of fibrous tissue proliferation, suggesting that the model was successful.
  • the above lesions were also present in each of the drug-administered groups, but the degree of lesion was significantly lighter than that of the model group.
  • liver fibrosis degree of rats was graded, and the results were tested for significance of grade data.
  • the liver fibrosis degree of rats was significantly improved in each dose group of Danshen Dripping Pill (P ⁇ 0.05, P ⁇ 0.01). The results showed that Danshen Dripping Pill had obvious protective effect on liver fibrosis rats.
  • the experiment showed that Danshen Dropping Pill can inhibit the expression of a-SMA, and the effect of medium and low dose is obvious, which indicates that Danshen Dropping Pill can inhibit the proliferation of HSC, and its anti-fibrotic mechanism is closely related to the inhibition of HSC expression of a-SMA.
  • the results of pathological examination showed that the Danshen Dripping Pills group can significantly improve the degree of liver fibrosis damage, and the effect of medium and low dose is obvious, indicating that Danshen Dripping Pill has protective effect on liver fibrosis rats.
  • Prud home GJ Paleobiology of transforming growth factor beta in cancer, fibrosis and immunologic disease, and therapeutic consideration [J]. Lab Invest, 2007, 87(11): 1077- 1091.

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Abstract

丹参或丹参制剂在制备治疗肝纤维化相关疾病的药物方面的应用。

Description

丹参或丹参制剂在制备治疗肝纤维化相关疾病的药物中的应用
技术领域
本发明属于医药领域, 具体涉及丹参或丹参制剂在治疗肝纤维化相关疾病方面的应 用。
背景技术
肝纤维化是肝硬化的必经阶段, 抗肝纤维化至关重要。 目前对于肝纤维化的治疗, 临床上尚缺乏有效的治疗药物, 细胞因子类、 抗氧化剂等几类药物己被用于实验研究, 但在临床上的治疗效果却不理想。 近年来, 中药抗肝纤维化作用日益受到人们的重视, 并己展示良好的应用前景。
丹参味苦, 性微寒, 具有活血化瘀、 养血安神、 凉血排痈和排毒生肌的功效, 是中 药活血化瘀的常用药物。 丹参药材主含脂溶性的二萜类成分和水溶性的酚酸类成分, 尚 含有黄酮类、 三萜类、 醇等其他成分。 二萜类成分中属醌、 酮型结构的有丹参酮 I、 丹参酮 IIA、 丹参酮 IIR、 丹参酮 V、 丹参酮 VI、 隐丹参酮、 异丹参酮 I、 异丹参酮 II、 异丹参酮 ΠΒ, 二氢丹参酮 I等。 水溶性的酚酸类成分有丹参素、 原儿茶醛、 原儿茶 酸、 咖啡酸及丹参素与咖啡酸的衍生物或二聚物酯化而成的缩酚酸 (如丹酚酸 A、 丹酚 酸8、 丹酚酸 C、 丹酚酸 D、 丹酚酸 E、 丹酚酸 G、 紫草酸 B、 迷迭香酸、 迷迭香酸甲 酯等)。 丹参酮 ΠΑ是丹参二萜类活血化瘀的代表成分之一。 现代药理研究证明丹参具 有扩张冠状动脉、 抗心肌缺血、 抗凝、 抗血栓形成、 镇静止痛以及降血脂和抗动脉粥样 硬化等作用。
本发明用 CC 复合因素法诱导肝纤维化模型, 并同吋 ig给予高、 中、 低剂量的受 试药物丹参制剂, 实验进行 7周, 测定血清中丙氨酸氨基转移酶 (ALT)、 天门冬氨酸 氨基转移酶 (AST)、 N-乙酰 -β-D-氨基葡萄糖苷酶 (NAG) 的活性及总蛋白 (TP)、 白 蛋白 (ALB )、 IV型胶原的量; 测定肝组织中超氧化物歧化酶 (SOD ) 活性、 丙二酸
(MDA)、 羟脯氨酸 (Hyp) 的水平; HE和 Masson染色观察肝组织病理形态学改变; 免疫组化学检测 (X-平滑肌肌动蛋白 ((X-SMA) 的表达。 结果显示, 丹参制剂能明显抑 制血清中 ALT、 AST, NAG的活性, 降低血清中 IV型胶原的量, 升高血清中 TP和 ALB的量; 降低肝组织中 Hyp和 MDA的水平, 亦能升高肝组织中 SOD的活性; 抑制 肝组织中胶原纤维的增加, 亦能降低肝组织中 α-SMA的表达。
发明内容
本发明的一个目的是提供丹参或丹参制剂在制备抗肝纤维化的药物中的应用。 本发明的另一个目的是提供丹参或丹参制剂在抗肝纤维化相关疾病 (例如肝硬化、 肝炎、 肝癌等) 方面的应用。
本发明所述的丹参包括新鲜的丹参药材或经炮制的丹参药材, 以及丹参药材经加工 处理后制成的产品, 例如丹参药材经粉碎或提取后得到的产品, 丹参药材的提取可以采 取水提、 醇提、 水提醇沉等方式, 还可以进一步包括精制步骤、 例如树脂纯化等。
本发明所述丹参制剂是由丹参作为原料药制备而成的药物, 目前己经上市的丹参制 剂包括丹参片、 丹参胶囊、 丹参滴丸等。
本发明所述丹参制剂由以下方法制备而成: 先将原料药经过加工制备成药物活性成 分, 再进一步制备成药物制剂。
本发明所述丹参制剂的制备方法属于现有技术, 可以从现有专利公开文件中获得, 或根据公开的药品标准制备。
本发明所述丹参制剂优选丹参滴丸。
本发明所述的丹参制剂是用丹参制备成的药物组合物, 该组合物根据需要可以含有 药学上可接受的载体, 药学上可接受的载体在制剂中所占重量百分比可以是 0.1- 99.9%。 本发明的药物组合物以单位剂量形式存在, 所述单位剂量形式是指制剂的单 位, 如片剂的每片、 胶囊的每粒胶囊、 口服液的每瓶、 颗粒剂每袋、 注射剂的每支等。
本发明的丹参制剂可以是任何可药用的剂型, 这些剂型包括: 片剂, 例如糖衣片 剂、 薄膜衣片剂、 肠溶衣片剂; 胶囊剂, 例如硬胶囊剂、 软胶囊剂; 口服液; 口含剂; 颗粒剂; 冲剂; 丸剂; 散剂; 膏剂, 例如软膏剂、 硬膏剂; 丹剂; 混悬剂: 粉剂; 溶液 剂, 例如注射剂; 栓剂; 霜剂; 喷雾剂; 滴剂; 滴丸剂; 贴剂。 对于本发明的丹参制剂, 其口服给药的制剂可含有常用的赋形剂, 诸如粘合剂、 填 充剂、 稀释剂、 压片剂、 润滑剂、 崩解剂、 着色剂、 调味剂和湿润剂, 必要时可对片剂 进行包衣。
适宜的填充剂包括纤维素、 甘露糖醇、 乳糖和其它类似的填充剂。 适宜的崩解剂包 括淀粉、 聚乙烯吡咯垸酮和淀粉衍生物 (例如羟基乙酸淀粉钠)。 适宜的润滑剂包括硬 脂酸镁。 适宜的药学上可接受的湿润剂包括十二垸基硫酸钠。
可通过混合、 填充、 压片等常用的方法制备固体口服组合物。 通过反复混合可使活 性物质分布在整个使用大量填充剂的组合物中。
口服液体制剂的形式例如可以是水性或油性悬浮液、 溶液、 乳剂、 糖浆剂或酏剂, 或者可以是一种在使用前可用水或其它适宜的载体复配的干燥产品。 这种液体制剂可含 有常规的添加剂, 例如: 悬浮剂, 例如山梨醇、 糖浆、 甲基纤维素、 明胶、 羟乙基纤维 素、 羧甲基纤维素、 硬脂酸铝凝胶或氢化食用脂肪: 乳化剂, 例如卵璘脂、 脱水山梨醇 一油酸酯或阿拉伯胶; 可包括食用油在内的非水性载体, 例如杏仁油、 分馏椰子油、 诸 如甘油酯的油性酯、 丙二醇或乙醇: 防腐剂, 例如对羟基苯甲酯或对羟基苯甲酸丙酯或 山梨酸; 如果需要, 可含有常规的香味剂或着色剂。
对于注射剂, 制备的液体单位剂型含有本发明的活性物质和无菌载体。 根据载体和 浓度, 可以将此化合物悬浮或者溶解。 溶液的制备通常是通过将活性物质溶解在一种载 体中, 过滤消毒, 再将其装入适宜的小瓶或安瓿, 然后密封。 辅料(例如局部麻醉剂、 防腐剂和缓冲剂) 也可以溶解在这种载体中。 为了提高其稳定性, 可在装入小瓶以后将 组合物冰冻, 并在真空下将水除去。
本发明的丹参制剂在制备成药剂时可选择性地加入适合的药学上可接受的载体, 所 述药学上可接受的载体包括但不限于以下物质, 选自: 糖醇, 例如甘露醇、 山梨醇、 木 糖醇; 氨基酸, 例如盐酸半胱氨酸、 蛋氨酸、 甘氨酸; 维生素 C; EDTA二钠、 EDTA 钙钠; 无机盐, 例如一价碱金属的碳酸盐、 醋酸盐、 磷酸盐或其水溶液; 氯化钠、 氯化 钾; 焦亚硫酸钠、 亚硫酸氢钠、 硫代硫酸钠; 碳酸钙、 碳酸氢钙; 硬脂酸盐, 例如硬脂 酸钙、 硬脂酸镁; 无机酸, 例如盐酸、 硫酸、 磷酸; 有机酸或有机酸盐, 例如醋酸、 巯 基乙酸、 乳酸钠; 寡糖、 多糖、 纤维素及其衍生物, 例如麦芽糖、 葡萄糖、 果糖、 右旋 糖苷、 蔗糖、 乳糖、 环糊精 (例如 β-环糊精)、 淀粉; 硅衍生物; 藻酸盐; 明胶; 聚乙 烯吡咯烷酮; 甘油; 吐温 80 ; 琼脂; 表面活性剂; 聚乙二醇; 磷脂类材料; 高岭土; 滑石粉等。
本发明的丹参制剂在使用时根据病人的情况确定用法用量。 例如, 可以给予按照实 施例 1的方法制备的丹参滴丸一次 20粒, 一日 3次, 24-32周为一个疗程。
附图说明
图 1 : 丹参滴丸对 CC14诱导的肝纤维化大鼠肝组织中 α-SMA表达的影响 (10 X 20)。
图 2: 丹参滴丸对 CC14诱导的肝纤维化大鼠的肝组织病理形态的影响 (HE染色, 10 X 10)。
图 3 : 丹参滴丸对 CC 诱导的肝纤维化大鼠的肝组织病理形态的影响 (Masson染 色, 10 X 10)。
具体实施方式
以下通过实施例进一步说明本发明, 但不作为对本发明的限制。
实施例 1: 丹参滴丸的制备
处方: 丹参 100g, 制成滴丸 1000粒。
制法: 丹参加 7倍水煎煮二次, 每次 2小时, 合并煎煮液, 滤过, 滤液经浓缩至生 药体积比为 1 : 1, 离心, 上清液过大孔树脂, 水冲洗, 乙醇洗脱, 洗脱液浓缩出膏, 相对密度 1.31-1.38 ( 50-60 °C ) , 每克含丹参素不小于 10mg。 丹参浸膏加入适量的聚乙 二醇中, 搅匀, 水浴溶化, 移至制备滴丸装置的贮藏器中, 保温 75-85 Ό , 按每克重选 用适宜口径的滴管, 以每分钟 60-80粒的滴速, 滴入用冰浴冷却的液体石蜡中, 成形后 将丸取出, 用吸水纸吸去表面的液体石蜡, 即得。
实施例 2: 丹参片的制备
处方: 丹参浸膏 262g, 淀粉 40g, 轻质氧化镁 60g, 硬脂酸镁 7g, 滑石粉 80g, 制 成 1000片。
制法: 丹参粉碎成中粉, 用 95%乙醇作溶剂进行提取, 提取 3次, 每次 2小吋, 回 收乙醇并浓缩成稠膏, 药渣加水煎煮 2次, 每次 1小时, 滤过, 滤液浓缩至适量, 与上 述稠膏合并得丹参浸膏。
取浸膏加热 (不用直火) 至 60°C〜70 °C, 搅拌使熔化, 将轻质氧化镁、 滑石粉
( 60g) 及淀粉依次加入混匀, 分铺烘盘上, 于 60°C以下干燥至含水量 3%以下。 然后 将烘干的片 (块) 状物粉碎成 14目以下的颗粒, 最后加入硬脂酸镁、 滑石粉 (20g) 混 匀, 过 12目筛整粒, 压片、 质检、 包糖衣。
实施例 3: 丹参胶囊的制备
处方: 丹参浸膏 406g, 10%淀粉浆适量, 共制成硬胶囊剂 1000粒。
制法: 丹参粉碎成中粉, 用 95%乙醇作溶剂进行提取, 提取 3次, 每次 2小吋, 回 收乙醇并浓缩成稠膏, 药渣加水煎煮 2次, 每次 1小时, 滤过, 滤液浓缩至适量, 与上 述稠膏合并得丹参浸膏。
取上述丹参浸膏粉碎, 过 80目筛; 将 10%淀粉浆分别制成软材后, 过 14目尼龙筛 制粒, 于 70°C干燥至水分 3%以下: 将上述颗粒混合均匀后, 填入 1 号空胶囊中, 即 得。
实施例 4: 丹参颗粒的制备
处方: 丹参 100g, 制成滴丸 1000粒。
制法: 丹参加 7倍水煎煮二次, 每次 2小时, 合并煎煮液, 滤过, 滤液经浓缩至生 药体积比为 1 : 1, 离心, 上清液过大孔树脂, 水冲洗, 乙醇洗脱, 洗脱液浓缩出膏, 相对密度 1.31-1.38 ( 50-60°C ) , 每克含丹参素不小于 10mg。 丹参浸膏加入 5倍量的糖 粉, 混合均匀, 加入 70%乙醇少许, 制成软材, 过 14目尼龙筛制粒, 湿颗粒于 60°C干 燥, 干颗粒过 14目筛整粒, 再过 4号筛 (65目) 筛去细粉, 然后分装, 密封, 包装即 得。
药效实施例 5: 丹参制剂的药效研究
肝纤维化发生的关键是肝星状细胞 (hepatic stellate cell, HSC ) 的激活和细胞外基 质 (ECM) 的过度沉积, 活化的 HSC大量增殖, 并转化为肌成纤维细胞, 进而产生大 量的 ECM。 本实验采用 CC 模型诱导肝纤维化的原理是: 对肝细胞膜有直接溶解作 用, 致使肝细胞变性坏死, 但是 CC 的毒性主要与其活性代谢产物有关, ec 在肝细 胞内被混合功能氧化酶代谢, 生成活泼的三氯甲烷自由基和氯自由基, 这些自由基可以 使肝细胞中酶功能丧失、 膜脂质过氧化、 胞浆钙离子浓度升高, 导致肝细胞损伤坏死和 纤维化。 但是, 该模型形成的纤维化自愈倾向明显, 所以采用预防给药。 血清谷丙转氨 酶 (ALT )、 谷草转氨酶 (AST ) 活性是肝细胞损伤的敏感指标, 血清总蛋白测定 (TP), 白蛋白 (ALB ) 的降低程度与肝脏合成功能的损害程度成正相关。
肝纤维化发生的关键因素之一是 ECM的过度沉积, 胶原是细胞外基质 (ECM) 的 主要组成部分, 而羟脯氨酸 (Hyp ) 是胶原蛋白的主要成分, 在纤维化过程中, 肝组织 中 Hyp随着胶原的消长而变化, 是评估胶原蛋白含量和肝纤维化程度的重要指标。 N- 乙酰 - β -D-氨基葡萄糖苷酶 (NAG ) 是溶酶体中的一种蛋白水解酶, 参与结缔组织基质 的水解代谢在血清中的活性被认为与肝纤维化过程有关, 可揭示结缔组织——胶原的分 解程度。 血清中 IV型胶原含量的变化, 也同样被证明是判断肝纤维化程度极具实用价 值的指标。
在正常状态下, HSC处于静止状态; 病理状态下, HSC被激活, 活化的 HSC表达 α-平滑肌肌动蛋白 (α-smooth muscle actin,a-SMA), 而 HSC表达 a-SMA是其活化的显 著特征之一。 应用免疫组化技术和图像分析软件对 a-SMA进行分析, 能够显示药物的 作用。
根据上述的影响因素, 设计了丹参制剂的药效研究实验, 实验方法如下:
1材料
1.1实验动物
雄性 Wisto大鼠, 体重 140-160 g, 由天津市山川红实验动物科技有限公司提供, 许可证号 SCXK (津) 2009-0001。
1.2药品与试剂 丙氨酸氨基转移酶 (ALT)、 天冬氨酸氨基转移酶 (AST)、 总蛋白 (TP) 及白蛋白 ( ALB ) 测定试剂盒均为中生北控生物科技股份有限公司产品; 超氧化物歧化酶 ( SOD ), 丙二醛 (MDA)、 羟脯氨酸 (Hyp)及 N-乙酰 -β-D-氨基葡萄糖苷酶 (NAG) 测定试剂盒均为南京建成生物工程研究所产品; IV 型胶原试剂盒为 Adlhteram diagnostic laboratories产品; α-SMA小鼠单克隆抗体为 abeam公司产品; 超敏二步法检 测测试盒、 DAB显色试剂盒均为北京中杉金桥生物公司产品; CC 为天津天河化学试 剂厂产品; 扶正化瘀胶囊 (批号: 100403 ), 为上海黄海制药有限责任公司产品, 实验 时用蒸馏水配置成混悬液; 丹参滴丸(批号: 100101 ) 为天津天士力制药股份有限公司 产品, 按实施例 1的方法制备。
1.3实验仪器
LXJ-IIB型低速大容量多管离心机, 上海安亭科学仪器有限公司; SUNRISE酶标 仪, 奥地利日升; PL203 电子天平, 梅特勒 -托利多仪器 (上海) 有限公司; 日立 7080 全自动生化仪, 日本日立株式会社: Olympus BH-2普通光学显微镜, 日本 Olympus公 司。
2方法1
2.1模型制备
除对照组外, 其余各组每只首次皮下注射 (sc ) 纯 CC 5ml/kg, 以后每隔 3天 sc 40% CCU-橄榄油 3ml/kg, 共 7周。 前 2周喂饲 20%猪油加 0.5%胆固醇的玉米粉饲料, 在 3-6周喂饲单纯玉米粉饲料。
2.2实验分组和给药
取健康大鼠 90只, 体重 140-160 g, 雄性, 随机分为 6组: 对照组 (n=10), 模型组 (n=16), 扶正化瘀 (1500 mg/kg ) 组 (n=16), 丹参滴丸高、 中、 低剂量 (700、 350、 175 mg/kg) 组 (n=16)。 各给药组均于造模当日起每天 ig相应药物, 对照组和模型组 给予蒸馏水 (10 mL/kg), 共 7周。 末次给药 1 h后, 用戊巴比妥钠麻醉大鼠, 腹主动 脉取血, 离心收集血清备用。 迅速取同一部位肝组织, 固定于 12%福尔马林液中, 用 于 HE染色、 Masson染色; 另取另一部位肝组织固定于 10%福尔马林液中, 用于免疫 组化染色; 剩余肝组织用生理盐水制成 10%肝组织匀浆。
2.3指标检测
检测血清 ALT、 AST活性及 TP、 ALB、 NAG、 IV型胶原含量; 检测肝组织中 SOD活性与 MDA、 Hyp含量; 免疫组化染色观察 α-SMA的表达; 石蜡切片后, 进行 HE和 Masson染色。
2.4免疫组化方法检测肝组织中 a-SMA的表达
切片常规脱蜡、 水化, PBS洗 15 min, 3% ¾02封闭内源性过氧化化酶, 室温孵育 10 min, PBS洗 15 min; 置 0.01 mol/ L枸橼酸钠盐缓冲溶液电磁炉修复 15 min, 自然 冷却后 PBS洗 15 min, 甩去多余液体; 滴加 a-SMA ( 1 : 100 ) 单抗, 37°C孵育 1 h, PBS洗 15 min; 滴加 Polymer Helper, 37°(孵育20 1^11, PBS洗 15 min; 滴加 poly- HRP anti-Mouse IgG抗体, 37°C孵育 20 min, PBS洗 15 min, DAB显色, 自来水冲洗 10 min。 苏木素复染, 脱水, 透明, 封片, 镜检。 a-SMA染色呈棕黄色, 采用 Image- Proplus 6.0图像分析软件进行图像分析, 每张切片随机取 5个视野, 记录每个视野的积 分光密度 (IOD), IOD值越大, 表明阳性表达产物越强。
2.5病理组织学检测
HE和 Masson染色后镜下检査肝脏纤维化程度并做半定量分析, 肝细胞纤维化分 级标准: "一 "正常肝脏, 只见汇管区内极少量纤维结缔组织, 为正常结构成分; " + " 汇管区、 小叶中央静脉周围胶原纤维增生, 中央静脉及门静脉有少量纤维束放散延伸, 但无纤维间隔形成, 小叶结构仍保存; " + + "胶原纤维增生, 中央静脉和门静脉区纤 维束向周围延伸, 形成不完全间隔, 小叶结构大部分保留; " + + + "胶原纤维大量增 生, 有少量菲薄的完全间隔形成, 小叶结构破坏; " + + + + "完全间隔增厚, 假小叶 形成。
2.6统计学处理
所有数据均采用统计软件 SPSS11.5进行统计分析, 以 t检验分析组间差异, 计量 数据以平均数士标准差表示 ( ± s ) ; 病理组织的病变程度采用 SPSS11.5 NPar Tests Mann-Whitney Test, 并采用 Excel作图。
3结果
对扶模胶丹丹丹 3.1对肝纤维化大鼠血清 ALT、 AST、 TP、 ALB的影晌
囊照型参参参正
结滴滴滴组组化果见表 1。 与对照组比较, 模型组大鼠血清 ALT、 AST 活性显著升高 ( P<0.01丸丸丸瘀) , TP、 ALB含量显著下降 (P<0.01 )。 与模型组比较, 丹参滴丸中、 低剂量 组血清中 TP、 ALB含量明显升高 (P<0.05 ); ALT, AST活性明显下降 (P<0.05)。
3.2对肝纤维化大鼠血清中 NAG和 IV型胶原的影响
结果见表 2。 与对照组比较, 模型组大鼠血清中 NAG活性明显升高 (P<0.01 ), IV 型胶原水平升高。 与剂模型组比较, 丹参滴丸各剂量组血清中 NAG 活性显著下降 (P<0.01 ), 且中、 低剂量组 IV型胶原水平明显下降 (P<0.05 )。
3.3对肝纤维化大鼠肝组织中 SOD活性及 MDA、 Hyp水平的影响
结果见表 3。 与对照组比较, 模型组大鼠肝组织中 SOD活性明显降低 (P<0.05 ), MDA、 Hyp水平显著升高 (P<0.01 )。 与模型组比较, 丹参滴丸各剂量组大鼠肝组织中 SOD活性明显升高 (P<0.05 ), 而低剂量组 MDA水平明显下降 (P<0.05 ), 各剂量组 Hyp水平显著降低 (P<0.01 )。
3.4对肝纤维化大鼠肝组织中 a-SMA表达的影响
结果见图 1和表 4。 对照组阳性染色仅见于血管壁。 与对照组比较, 模型组 (X-SMA 阳性表达明显增强, 主阳性染色广泛表达于纤维间隔、 血管壁以及纤维组织增生区, 胆 管细胞无表达。 与模型组比较, 丹参滴丸各剂量组大鼠肝组织中 (χ-SMA阳性染色分布 区与模型组相似, 但黄染区域有所减少。 通过 IOD的测定, 与对照组比较, 模型组 IOD值明显变大 (P<0.05 )。 与模型组比较, 丹参滴丸中、 低剂量组 IOD值明显变小 (P<0.05 结果表明, 丹参滴丸能对抗肝纤维化大鼠肝组织中(χ-SMA表达的增强, 抑 制 HSC的增殖。
3.5对肝纤维化大鼠肝组织中病理形态的影响
结果见表 5、 图 2、 图 3。 对照组大鼠肝脏肝小叶结构完整, 组织结构清晰, 肝细 胞形态正常并以中央静脉为中心成条索状排列, 肝窦清晰, 较大汇管区有极少量纤维组 织存在为正常结构。 与对照组比较, 模型组大鼠肝脏肝小叶均有不同程度的破坏, 肝细 胞排列紊乱, 汇管区、 中央静脉、 门静脉均有不同程度的纤维组织增生, 提示造模成 功。 各给药组亦有上述病变, 但病变程度明显轻于模型组。 依据肝组织病理所见和参照 国内外纤维化分级标准, 将大鼠肝纤维化程度分级划分, 将结果进行等级资料的显著性 检验。 丹参滴丸各剂量组对大鼠的肝纤维化程度有明显改善 (P<0.05, P<0.01 )。 结果 表明, 丹参滴丸对肝纤维化大鼠有明显的保护作用。
表 1丹参滴丸对 CCL (诱导的肝纤维化大鼠血清 ALT、 AST、 TP、 ALB 的影响 ( ± s)
Figure imgf000007_0001
35.49±6.99 160.90±21.85 33.4±1.0 59.06±2.59 98.17±55.38^ 232.99±96.09 27.74±3.76 47.93士 4.75JJ 34.35士 3.51 ** 152.62±12.02* 29.91±1.12 50.66士 2.14
69.06±25.62 179.38±25.06 30.11±2.13 51.86士3.39 40.85±12.49* 154.50±23.21 * 31.33±1.45 * 53.68士 3.37*
75 46.74士 11.75 * 170.19±26.27 31.44±1.14* 52.79士1.72* 与对照组比较, ΔΔΡ <0.01 ; 与模型组比较, *Ρ<0.05, **Ρ<0.01 表 1丹参滴丸对 CC14肝纤维化大鼠血清中 NAG和 IV型胶原的影响 ( ± s) 对扶模胶丹丹丹 i 动物 /只 剂量 (mg-kg—丄) NAG(U'L— ') IV型胶原 (ng'mr1) 囊照型参参参正 24.87±8.20 0.64±0.16
滴滴滴 38.45±7.53^ 1.04±0.70
化 21.27±10.15** 0.55±0.23
28.32±6.56** 0.89±0.47
25.90±8.78** 0.49±0.19*
75 28.23±5.47** 0.46±0.06*
与对照组比较, ^P<0.01 ; 与模型组比较, *P<0.05, **P<0.01
表 3丹参滴丸对 CC14诱导的肝纤维化大鼠肝组织 SOD活性及 MDA、 Hyp的影响 士 S)
组别 动物 剂量 SOD Hyp
/只 (rng kg-1) (U-ml—1) feg肝重- ^ 对照组 10 63.01±14.22 1.21±0.29 127.89±13.68 模型组 9 46.06±13.31'd 5.18±2.70^ 242.11±56.13^ 扶正化瘀 10 1500 54.77±8.28 § 41.12±2.27 165.26±38.81** 丹参滴丸 9 700 58.01±9.34* 3.73±1 S.49 177.58±56.82* 丹参滴丸 10 350 58.41土11.12* 3.87±2.47* 176.49±34.89* 丹参滴丸 9 175 58.46±5.70* 2.22±0.51 157.12±31.11 * 与对照组比较, ^<0.05, ' ωρ<0-01 ; 与模型组比较, *ρ<0.05, **p<0.01 表 4丹参滴丸对 CC14诱导的肝纤维化大鼠肝组织中 α-SMA表达的影响 ( 士 s) m\ 动物 /只 剂量 (mg'kg— IOD(xl02)
对照组 5.08±0.81
模型组 20.54士 6.71'
9.62±3.53 *
丹参滴丸 00 12.12士 2.92
丹参滴丸 50 9.75±1.68 *
丹参滴丸 75 8.39±1.25 *
与对照组比较, p<0.05; 与模型组比较, *P<0.05, **P<0.01
表 5丹参滴丸对 C ¾诱导的肝纤维化大鼠的肝组织病理改变的影响
动物 肝纤维化程度
组别
/只 ― + + + + + + + + + - l· P值 对照组 10 10 0 0 0 0 .0000 模型组 9 0 0 1 7 1 ― 扶正化瘀胶囊 10 0 3 3 3 1 0.056 丹参滴丸高剂 t组 9 0 2 4 2 1 0.045* 丹参滴丸中剂 t组 10 0 2 5 2 1 0.028* 丹参滴丸低剂 J 1组 9 0 4 5 0 0 0.000** 与模型组比较, *P<0.05, **P<0.01
实验结果表明, 丹参滴丸可明显抑制 CC 诱导的肝纤维化大鼠的 ALT、 AST的升 高, 使 TP、 ALB合成增加, 且中、 低剂量效果明显, 说明丹参滴丸具有保护肝细胞、 抑制肝损伤的作用。
实验显示, 丹参滴丸能抑制 Hyp、 IV型胶原水平的升高, 使 NAG活性降低, 且 中、 低剂量效果明显, 说明丹参滴丸抑制胶原蛋白的沉积, 促进胶原降解, 可以明显改 善肝纤维化的程度。 SOD、 MDA的变化直接或间接反映了肝损伤的程度。 本实验显 示, 丹参滴丸能增加 SOD活性, 使 MDA水平下降, 且中、 低剂量效果明显, 说明丹 参滴丸有降低自由基生成和减少脂质过氧化的作用。
实验显示, 丹参滴丸能抑制 a-SMA的表达增强, 且中、 低剂量效果明显, 说明丹 参滴丸能抑制 HSC的增殖, 其抗纤维化机制与抑制 HSC表达 a-SMA有密切关系。 病 理检査结果显示, 丹参滴丸各剂量组能明显改善肝纤维化的损伤程度, 且中、 低剂量效 果明显, 说明丹参滴丸对肝纤维化大鼠有保护作用。
参考文献
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Claims

权利要求书
1、 丹参或丹参制剂在治疗肝纤维化相关疾病方面的应用。
2、 根据权利要求 1 的应用, 其特征在于, 所述丹参制剂包括丹参片、 丹参胶囊、 丹参滴丸。
3、 根据权利要求 2的应用, 其特征在于, 所述丹参制剂是丹参滴丸。
4、 根据权利要求 1-3任一项的应用, 其特征在于, 所述肝纤维化相关疾病包括肝 硬化、 肝炎、 肝癌。
5、 根据权利要求 1-3任一项的应用, 其特征在于, 所述应用包括抑制肝损伤, 降 低肝细胞损伤引起的抑制血清中 ALT、 AST水平的升高。
6、 根据权利要求 1-3任一项的应用, 其特征在于, 所述应用包括保护肝功能, 增 加肝功能损伤时 TP和 ALB的合成。
7、 根据权利要求 1-3任一项的应用, 其特征在于, 所述应用包括抑制肝星状细胞 活化增殖, 降低肝组织中(X-SMA的表达。
8、 根据权利要求 1-3任一项的应用, 其特征在于, 所述应用包括升高肝组织中 SOD的活性, 降低 MDA的表达, 从而抑制肝星状细胞活化。
9、 根据权利要求 1-3任一项的应用, 其特征在于, 所述应用包括抑制肝脏细胞外 基质的沉积和胶原蛋白的增加, 降低血清中 IV型胶原的含量, 降低肝组织中 Hyp的水 平。
10、 根据权利要求 1-3任一项的应用, 其特征在于, 所述应用包括抑制肝功能损伤, 增加血清中 NAG的水平, 促进肝脏细胞外基质中胶原的分解。
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EP2801365A1 (en) 2014-11-12
AU2013207295A1 (en) 2014-07-24
CN103191186A (zh) 2013-07-10

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