WO2010012127A1 - 一种中药组合物在制备促进骨髓间质干细胞在体存活和成心肌分化的药物中的应用 - Google Patents

一种中药组合物在制备促进骨髓间质干细胞在体存活和成心肌分化的药物中的应用 Download PDF

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WO2010012127A1
WO2010012127A1 PCT/CN2008/001401 CN2008001401W WO2010012127A1 WO 2010012127 A1 WO2010012127 A1 WO 2010012127A1 CN 2008001401 W CN2008001401 W CN 2008001401W WO 2010012127 A1 WO2010012127 A1 WO 2010012127A1
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mesenchymal stem
traditional chinese
bone marrow
chinese medicine
medicine composition
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PCT/CN2008/001401
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English (en)
French (fr)
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杨跃进
钱海燕
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河北以岭医药研究院有限公司
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Priority to US13/056,088 priority Critical patent/US20110135748A1/en
Priority to PCT/CN2008/001401 priority patent/WO2010012127A1/zh
Priority to HUE08783591A priority patent/HUE038785T2/hu
Priority to KR1020117003515A priority patent/KR20110042314A/ko
Priority to EP08783591.4A priority patent/EP2324841B1/en
Priority to RU2011107255/15A priority patent/RU2475261C2/ru
Publication of WO2010012127A1 publication Critical patent/WO2010012127A1/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)
    • A61K36/25Araliaceae (Ginseng family), e.g. ivy, aralia, schefflera or tetrapanax
    • 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
    • A61K35/00Medicinal preparations containing materials or reaction products thereof with undetermined constitution
    • A61K35/56Materials from animals other than mammals
    • A61K35/62Leeches; Worms, e.g. cestodes, tapeworms, nematodes, roundworms, earth worms, ascarids, filarias, hookworms, trichinella or taenia
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K35/00Medicinal preparations containing materials or reaction products thereof with undetermined constitution
    • A61K35/56Materials from animals other than mammals
    • A61K35/63Arthropods
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K35/00Medicinal preparations containing materials or reaction products thereof with undetermined constitution
    • A61K35/56Materials from animals other than mammals
    • A61K35/63Arthropods
    • A61K35/646Arachnids, e.g. spiders, scorpions, ticks or mites
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K35/00Medicinal preparations containing materials or reaction products thereof with undetermined constitution
    • A61K35/56Materials from animals other than mammals
    • A61K35/63Arthropods
    • A61K35/648Myriapods, e.g. centipedes or millipedes
    • 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)
    • 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)
    • A61K36/32Burseraceae (Frankincense family)
    • A61K36/324Boswellia, e.g. frankincense
    • 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)
    • A61K36/54Lauraceae (Laurel family), e.g. cinnamon or sassafras
    • 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)
    • A61K36/65Paeoniaceae (Peony family), e.g. Chinese peony
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/46Ingredients of undetermined constitution or reaction products thereof, e.g. skin, bone, milk, cotton fibre, eggshell, oxgall or plant extracts
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00Drugs for disorders of the cardiovascular system
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00Drugs for disorders of the cardiovascular system
    • A61P9/10Drugs for disorders of the cardiovascular system for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis

Definitions

  • the present invention relates to a novel use of a traditional Chinese medicine composition, and in particular to the use of a traditional Chinese medicine composition for the preparation of a medicament for promoting bone marrow mesenchymal stem cells to survive in vivo and differentiate into cardiac muscle.
  • the present invention also relates to a traditional Chinese medicine composition having an effect of promoting mesenchymal survival and cardiomyogenic differentiation of bone marrow mesenchymal stem cells, and a method for treating or preventing cardiovascular diseases using the same. Background technique
  • Cardiovascular disease kills 12 million people every year, close to a quarter of the world's total deaths, becoming the number one enemy of human health.
  • traditional treatments including drugs, interventions, and surgery, do not allow for the regeneration of missing cardiomyocytes, an irreversible myocardial remodeling process due to myocardial loss, and ultimately to heart failure and death.
  • stem cell regenerative medicine has made a breakthrough in the treatment of cardiovascular diseases, also known as cellular cardiomyoplasty, by transplanting stem cells or cardiomyocytes, or mobilizing peripheral circulating blood stem cells or bone marrow stem cells to migrate. Repair the damaged myocardium to the damaged part of the myocardium.
  • Transplantation of stem cells for cell myoplasty is a viable method to improve hemodynamics and neurohumoral disorders caused by myocardial infarction.
  • Various pre-animal experiments have shown that stem cells have the ability to repair cardiomyocytes and improve perfusion and cardiac function in infarcted areas [Schuster MD, Kocher AA, Seki T, Martens TP, Xiang G, Homma S, et al. Myocardial neovascularization by bone marrow]
  • Amgioblasts results in cardiomyocyte regeneration. Am J Physiol Heart Circ Physiol 2004; 287: H525 532.
  • Acute myocardial infarction can cause severe local myocardial ischemia, inflammatory response, oxidative stress and apoptosis, which will significantly reduce the survival rate of transplanted cells. Therefore, protecting local transplanted stem cells and reducing or avoiding their death are important for clinical applications.
  • Heat shock therapy can improve the tolerance of transplanted cells to ischemia/re-infusion injury in vivo, and improve the survival rate after implantation into the heart [Suzuki K , Smolenski RT, Jayakumar J, Murtuza B, Brand NJ, Yacoub MH. Heat shock treatment enhances graft cell survival in skeletal myoblast transplantation to the heart.
  • the present invention is an improved invention based on the patent application No. 01131203.3 and the patent application No. 200410048292.2, the entire contents of which are hereby incorporated by reference.
  • the invention provides a new application of a traditional Chinese medicine composition in preparing a medicine for promoting the survival of the bone marrow mesenchymal stem cells and forming a myocardial differentiation, and improving the quality of the local micro-environment through intervention treatment, thereby effectively promoting the survival of the implanted cells and Biological effects. Summary of the invention
  • the object of the present invention is to provide a use of a traditional Chinese medicine composition for the preparation of a medicament for promoting the survival and differentiation of myeloid mesenchymal stem cells in vivo, which is prepared from the following bulk substances:
  • Ginseng 3-10 leeches 3-11 soil mites 5-10 frankincense (made) 1-5 red peony 3-9 scented 1-5 sandalwood 1-5 full ⁇ 3-9 ⁇ 3-12 ⁇ 1-3 water Tablets 1-7 Suanzaoren (fried) 3-10;
  • the traditional Chinese medicine composition is prepared from the following bulk parts of the drug substance: Ginseng 6 leeches 10 soil mites 7 frankincense (made) 2 red peony 5 scented 2 sandalwood 2 full ⁇ 7 7 ⁇ 1 water tablets 5 sour jujube kernels (fried) 5;
  • Ginseng 10 leeches 8 frankincense (system) 2 ⁇ 5 ⁇ 2 sandalwood 2 full ⁇ 9 ⁇ 1 water tablets 5 sour jujube kernels (fried) 5;
  • the active ingredient of the above traditional Chinese medicine composition consists of the following ingredients:
  • the ginseng is extracted with ethanol and the alcohol extract is immersed in the concentrated alcohol;
  • the water extract of the scent and sandalwood dregs, the water extract of the red peony and the fried jujube kernels, and the aqueous extract of the ginseng dregs after extracting the component d are filtered and mixed.
  • the concentrated water is used to extract the bone.
  • the pharmaceutical preparation containing the above traditional Chinese medicine composition as an active ingredient is a capsule, a tablet, a pill, an oral liquid, a soft capsule or a pill.
  • Another object of the present invention is to provide the use of the above-mentioned traditional Chinese medicine composition for the preparation of a medicament for treating cardiovascular diseases using autologous bone marrow mesenchymal stem cells.
  • the cardiovascular disease is myocardial infarction, and particularly preferably acute myocardial infarction.
  • Another object of the present invention is to provide the above-mentioned traditional Chinese medicine composition for promoting bone marrow mesenchymal stem cells in vivo and cardiac differentiation, and the above-mentioned traditional Chinese medicine composition for treating cardiovascular diseases by using autologous bone marrow mesenchymal stem cells, and the cardiovascular disease is preferably Myocardial infarction is more preferably an acute myocardial infarction.
  • the traditional Chinese medicine composition of the present invention can also be prepared into any conventional dosage form acceptable for pharmacy according to a conventional preparation process, for example, the preparation process described by Fan Biting, "Chinese Medicine Pharmacy” (Shanghai Science Press, December 1997, 1st edition).
  • a conventional preparation process for example, the preparation process described by Fan Biting, "Chinese Medicine Pharmacy” (Shanghai Science Press, December 1997, 1st edition).
  • plasticizers for example, plasticizers, tablets, pills, oral liquids, soft gelatinous drops, dropping pills, and the like.
  • the preparation of the present invention may further contain an optional excipient which is conventional in the field of preparation, such as a filler, a disintegrant, a binder, a glidant, an antioxidant, a flavoring agent, a sweetener, a suspending agent and the like.
  • excipients include, for example, starch, sucrose, lactose, dextrin, pregelatinized starch, cross-linked polyvinylpyrrolidone, etc. or other excipients acceptable for traditional Chinese medicine (Fan Biting, "Chinese Pharmacy", Shanghai Science Press, December 1997 Excipients described in each dosage form in the first edition).
  • the preparation of the invention is preferably prepared by the following preparation method: washing the above-mentioned five-flavored medicines such as leeches, cockroaches, cockroaches, earthworms, cockroaches, etc., and supplying them at a low temperature for use; sandalwood, fragrant extracting volatile oil, dregs and The aqueous solution is reserved; the ginseng is heated and refluxed with 70% ethanol for the second time, the first 3 hours, the second 2 hours, the combined extracts are recovered, and the ethanol is recovered to an alcohol-free taste; the ginseng slag and the sandalwood, the fragrant dregs are The aqueous solution is added, and the relative density is 1.20- 1.
  • the aqueous solution is added to the relative density of the sorghum, the jujube kernels (fried), and the water is decocted twice, the first 3 hours, the second 2 hours, the combined decoction, filtered, and the filtrate is concentrated to a relative density of 1. 20- 1. 25 ( 60 ) of clear bone, add the above ginseng alcohol extract, mix, dry at low temperature, pulverize into fine powder; frankincense (made) and leeches, etc. Powder; water sheet finely ground, separately mixed with the above fine powder, mixed hook, sprayed with volatile oil, mixed hook, loaded with rubber, made 1000 capsules, that is.
  • formulations of the invention are preferably made by the following preparation methods:
  • the weight ratio of the drug substance is: 3-1 0 parts of ginseng, 3-1 1 part of leech, 5-1 0 parts of soil aphid, 1-5 parts of frankincense, 3-9 parts of red peony, 1-5 Parts, 1-5 parts of sandalwood, 3-9 parts of whole glutinous rice, 3-12 parts of medlar, 1-3 parts of medlar, 1-7 parts of water tablets, 3-1 0 parts of fried jujube seed;
  • the five kinds of insecticides of cockroaches, leeches, cockroaches, earthworms and cockroaches are net-selected, washed, and net-prepared.
  • the whey is smashed by a pulverizer, and the fineness of the powder reaches 80 mesh or more;
  • the powder after powder is ultra-finely pulverized by various ultrafine pulverization techniques to make the average particle size of the powder less than 100; the medicinal materials to be pulverized are cleaned and sterilized, and then mixed; c) extraction and concentration and drying process:
  • the scent and sandalwood are first added with water to extract the volatile oil, and then extracted with water.
  • the radix and the jujube kernel are boiled with water, and the aqueous extract is filtered, and then concentrated to form the bone-impregnated;
  • the ginseng is extracted with ethanol, and then extracted with water, and the alcohol extract is recovered after the ethanol is recovered.
  • Concentrated into alcohol to extract bone the aqueous extract is filtered and mixed with all the water extracts, and then concentrated to form water to soak the bone;
  • formulations of the invention are preferably made by the following preparation methods:
  • the weight ratio of the drug substance is: ginseng 3-100 parts, leech 3-11 parts, soil aphid 5-10 parts, frankincense (made) 1-5 parts, red peony 3-9 parts, scented 1-5 Parts, 1-5 parts of sandalwood, 3-9 parts of whole glutinous rice, ⁇ 3- 12 parts, 1-3 parts of glutinous rice, 1-7 parts of water tablets, 3-100 parts of fried jujube kernels;
  • the five kinds of insecticides of the whole cockroach, leeches, cockroaches, earthworms and cockroaches are cleaned, washed, and cleaned.
  • the frankincense is prepared according to the prescription, and is crushed by a pulverizer. Up to 80 mesh or more; the powder after coarse powder is ultra-finely pulverized by various ultrafine pulverization techniques, so that the average particle diameter of the powder is less than 100 Wn; the medicinal material to be pulverized is cleaned and sterilized, and then mixed; c) extracted and concentrated And drying process:
  • the scent and sandalwood are first added with water to extract the volatile oil, and then extracted with water.
  • the radix and the jujube kernel are boiled with water, and the aqueous extract is filtered, and then concentrated to form the bone-impregnated;
  • the ginseng is extracted with ethanol, and then extracted with water, and the alcohol extract is recovered after the ethanol is recovered.
  • Concentrated into alcohol to extract bone the aqueous extract is filtered and mixed with all the water extracts, concentrated into water to extract the bone, and the impregnated bone is directly spray-dried into a spray powder;
  • the ultrafine pulverized powder is added to the boiling granulating dryer together with the spray-dried powder obtained in the step c), and the solvent is sprayed to form granules; the granules are granulated, the fine powder of the water is added, and the scent is sprayed.
  • the volatile oil extracted from sandalwood is filled with a capsule filling machine to form a capsule.
  • the amount of the composition of the present invention is 0. 8- 3 grams per day, preferably 2 to 4 times a day, preferably 1. 11-2. 22 grams per day. Take it three times.
  • the present invention provides a large number of experimental studies showing that the use of the drug group intervention of the present invention promotes cell myoplasty with autologous bone marrow mesenchymal stem cells.
  • Microarray detection of the gene expression profile of the heart after infarction found that the single use of low doses of the drug group of the present invention can produce positive changes in gene expression, including the regulation of anti-inflammatory, anti-apoptotic, anti-fibrotic genes, and therefore,
  • the intervention of the drug group of the present invention can improve the local microenvironment after acute myocardial infarction, thereby significantly improving the survival and differentiation ability of the implanted mesenchymal stem cells.
  • the experimental data provided by the present invention also prove that the intervention of the drug group of the present invention can effectively improve the local internal environment after acute myocardial infarction, and promote the use of autologous bone marrow mesenchymal stem cells for cell myocardial angioplasty, thereby The clinical application of transplantation of stromal stem cells is of great significance.
  • Another object of the invention is a method of treating or preventing a cardiovascular condition using the above-described traditional Chinese medicine composition comprising administering an effective amount of said Chinese medicine composition to a patient in need thereof.
  • the cardiovascular disease is preferably a myocardial infarction, more preferably an acute myocardial infarction.
  • Administration can be carried out by conventional methods in the art.
  • FIG. 1 Hematoxylin-eosin (HE) staining and Masson (s) trichrome staining in the infarcted area of four experimental animals under the microscope.
  • the picture shows that the first group (control group), the second group (single use of low-dose drug intervention in the present invention), and the third group (single bone marrow mesenchymal stem cell transplantation intervention) have severe fibrosis and inflammatory cell infiltration.
  • Image A has a magnification of 400 X and picture B has a magnification of 40 ⁇ .
  • Figure 2 Survival capacity of bone marrow mesenchymal stem cells implanted in an infarcted heart.
  • Figure (A) shows that the third group (single bone marrow mesenchymal stem cell transplantation intervention treatment) almost no 4',6-dimercapto-2-phenylhydrazine hydrochloride (DAPI)-labeled transplanted cells; the fourth group ( At the same time, the use of bone marrow mesenchymal stem cell transplantation and the drug intervention of the present invention can observe more DAPI-labeled transplanted cells;
  • Figure (B) shows that the third group (single bone marrow mesenchymal stem cell transplantation intervention treatment) and the fourth group ( There was a statistically significant difference in cell viability between the simultaneous use of bone marrow mesenchymal stem cell transplantation and the drug intervention of the present invention. ⁇ 0.0001, the magnification of Figure (A) is 400 X.
  • Figure 3 Bone marrow mesenchymal stem cells implanted into the body differentiate into cardiomyocytes and vascular structures.
  • Figure (A) and (B) show that some DAPI-labeled cells express ot-striated muscle actin and cardiac troponin T;
  • Figure (C) shows that some DAPI-labeled cells are involved in angiogenesis and express vascular smooth muscle function Protein and vascular endothelial cell-specific factoring.
  • Figure (D) shows the third group (single bone marrow mesenchymal stem cell transplantation intervention) and the fourth group (using both bone marrow mesenchymal stem cell transplantation and drug intervention of the invention) DAPI-labeled cells in the heart into myocardial differentiation ratio Statistically, there was a significant difference in the ability of the two groups to differentiate into cardiomyocytes. ' ⁇ 0.0001, graph ( ⁇ ), graph (B) and graph (C) have a magnification of 400 ⁇ .
  • MSCs are osteophyte mesenchymal stem cells
  • VWF is von Willebrand factor
  • SM-actin is vascular smooth muscle actin
  • Overlay is the first three. The color rendering result of the superimposed field of view.
  • FIG. 4 Expression of intercellular connexin in cells implanted in vivo.
  • Panel (A) shows that DAPI-tagged cells express connexin 43 (Cx43).
  • Panel (B) shows that there is a significant difference in the expression of connexin 43 between the third group (single bone marrow mesenchymal stem cell transplantation intervention) and the fourth group (both bone marrow mesenchymal stem cell transplantation and drug intervention of the present invention).
  • ' 0. 0001
  • the figure ( ⁇ ) has a magnification of 400 ⁇ .
  • Over lay shows the color rendering results of the first three fields of view superimposed.
  • Figure 5 Capillary density in the infarcted area and infarcted area after 6 weeks of transplantation. After 6 weeks of transplantation, there was no significant difference in capillary density between the second group (single use of low-dose drug intervention) and the third group (single bone marrow mesenchymal stem cell transplantation) versus infarcted and infarcted areas of the control group. (' ⁇ >0. 05, ⁇ ⁇ >0. 05), but both were lower than the fourth group (both using bone marrow mesenchymal stem cell transplantation and the drug intervention of the present invention) ( # ⁇ 0. 0001, respectively) ⁇ 0. 0001) 0
  • Figure 6 Single-photon emission computed tomography (SPECT) was used to detect myocardial perfusion defect area after one week of transplantation and six weeks after transplantation.
  • SPECT single-photon emission computed tomography
  • Figure 7 shows the anti-apoptotic effect of the medicament of the present invention.
  • Peripheral myocardial anti-binding protein antibody and deoxynucleotidyl transferase-mediated deoxynucleotide uridine (dUTP) nick end labeling (TUNEL) in pig heart infarction to detect apoptotic cells with DNA breaks in the nucleus.
  • dUTP deoxynucleotidyl transferase-mediated deoxynucleotide uridine
  • TUNEL nick end labeling
  • Example 1 Preparation of the medicament of the present invention
  • the API is:
  • the five kinds of insecticides of cockroaches, leeches, cockroaches, earthworms and cockroaches are net-selected, washed, and net-prepared.
  • the whey is smashed by a pulverizer, and the fineness of the powder reaches 80 mesh or more;
  • the powder after powder is superfinely pulverized by various ultrafine pulverization techniques, so that The average particle size of the powder is less than 30-40 Mm; the medicinal material to be pulverized is cleaned and sterilized, and the ingredients are prepared; c) the extraction and concentration process:
  • the scent and sandalwood are first added with water to extract the volatile oil, and then extracted with water.
  • the radix is added to the radix and jujube kernels twice with water, and each time for 3 hours, the water decoction is combined, and the aqueous extract is filtered, and then concentrated into an extract; ginseng is used in an appropriate amount.
  • the ethanol extract is concentrated to a relative density of 0. 9 ⁇ 1. 1 (60 °C) alcohol extract.
  • the ethanol extract is extracted twice with each time for 3 hours. Immersed bone, filtered with water extract and concentrated with all the above aqueous extracts, and concentrated to a relative density of 0.9 to 1. 1 (60) of clear bone, spare;
  • the amount of the medicament of the present invention is 2-4 capsules per time based on the total weight of the active ingredient drug substance, and is preferably used three times a day.
  • Experimental Example The promotion of the drug of the present invention using bone marrow mesenchymal stem cells
  • the pigs were anesthetized by intramuscular injection of ketamine and diazepam.
  • the doses of the two drugs were 25 mg/kg and 1 mg/kg, respectively.
  • the pig's left ankle was skinned and laid, and about 50 ml of bone marrow was with a syringe containing 12,500 units of heparin.
  • All of the experimental animals were given intramuscular injection of buprenorphine 0.3 mg analgesic before being returned to the rearing room. Isolation and culture of bone marrow mesenchymal stem cells were slightly modified as previously reported.
  • the extracted bone marrow was diluted 1 times with phosphate buffered saline (PBS), and a silica colloidal suspension (Percol l separation solution, 1. 077 g/ml, Sigma) was added, and centrifuged at 800 g under 4 conditions. Mononuclear cells were isolated for 30 minutes. The cell pellet was washed twice with PBS and then plated at a density of 5 ⁇ 10 5 /cm 2 in normal medium [containing low glucose DMEM (G ibco), 10% fetal bovine serum (Gibco), 100 U/ml qing Zun And streptomycin], placed in a 37, 5% carbon dioxide humidified incubator.
  • PBS phosphate buffered saline
  • silica colloidal suspension 1. 077 g/ml, Sigma
  • hematopoietic cells, fibroblasts, and other non-adherent cells were removed by changing the medium.
  • the adherent purified bone marrow mesenchymal stem cells retained are further cultured for proliferation.
  • the medium was changed every three days during the experiment. After 10 days of culture, the adherent cells formed a uniform cell clone. After the adherent cells reached 80% confluence, 0.25% trypsin-0. 02% EDTA solution (Sigma) was resuspended and further cultured by passage at a ratio of 1:3.
  • DMEM fetal bovine serum
  • DAPI Hydrochloric acid
  • Pigs were anesthetized by intramuscular injection of ketamine and diazepam.
  • the doses of the two drugs were 25 mg/kg and 1 mg/kg, respectively.
  • Intubation was performed, mechanical ventilation was performed by mechanical ventilator, and anesthesia was maintained by intravascular injection of ketamine and diazepam.
  • Open the chest along the midline of the sternum separate the left anterior descending coronary artery (LAD) to the first diagonal branch, and ligation with a plastic cannula to ensure partial deficiency The formation of blood parts. 5mg/ ⁇
  • the coronary artery was given intravenous lidocaine 2mg / kg, and continued intravenous administration until the end of surgery, a sustained dose of 0. 5mg / min.
  • the left anterior descending coronary artery (LAD) was blocked for 90 minutes to form a myocardial infarction/reperfusion model.
  • autologous bone marrow mesenchymal stem cells (3 X 10 7 cells) suspension 500 ⁇ 1 was injected into the infarct zone and its surrounding area of each experimental animal.
  • the control animals were injected with an equal volume of DMEM.
  • the chest is closed and an 18F mediastinal catheter is placed to rebuild the intrathoracic negative pressure and drain residual blood and lavage fluid. Thereafter, the anesthetic is stopped and the tracheal intubation is removed at the appropriate time to heal the wound. Remove the chest tube without gas leakage or residual blood. All experimental animals received antibacterial therapy after surgery, intramuscular injection of cephalosporin V 1. 0, twice daily for three consecutive days; simultaneous intramuscular injection of buprenorphine analgesic, twice daily, each time 0. 3mg, for three days .
  • the drug of the present invention was administered from the three days before the transplantation of the bone marrow mesenchymal stem cells to the four days after the transplantation, and the dose was 0.05 g ⁇ kg ⁇ d.
  • Magnetic resonance imaging (MRI) Magnetic resonance imaging
  • the cardiac function parameters of the animals were collected by film MRI and enhanced MRI one week after the cell transplantation and six weeks later.
  • MRI was performed using a 1.5T magnetic resonance imaging scanner (Siemens, Germany (Siemens, Germany)) equipped with a radio frequency receiving coil for clinical use.
  • the animals were anesthetized by intramuscular injection of ketamine and diazepam at doses of 25 mg/kg and 1 mg/kg, respectively.
  • MRI uses wireless ECG gated spin echo.
  • the film MRI and the corresponding enhanced MRI scan one layer every 4mm, starting from the level of the mitral valve, a total of 6-8 layers.
  • the lateral and sagittal views are determined to determine the correct plane of the short axis, and an image of the long axis is determined every 60°.
  • a film MRI image was acquired using a combination of a full focus steady-state fast gradient echo (TrueFi sp ) pulse sequence and a sensitivity coding (TSENSE ) parallel imaging technique.
  • the first round of scanning acquired an image of approximately 60 cardiac cycles. O. l mmol Gd-DTPA (Schering) was rinsed with 20 mL of 0.9% NaCl (flow rate 4 mL/s).
  • the projection range is 45° from the right front and 45° from the left to the back.
  • the SPECT reconstruction uses Butterworth low-filtering, cutoff frequency 0.45, type 5, and reconstructs the image data of the three axes of the short axis, the vertical long axis, and the horizontal long axis by adjusting the heart axis.
  • the area of the perfusion defect was calculated using the bovine eye technique of the scintillation method.
  • the survival and differentiation ability of the transplanted bone marrow mesenchymal stem cells were measured.
  • the left ventricle was transected into 8 slices from the apex to the bottom of the heart. Five 5- ⁇ thick frozen sections were randomly selected from each slice. Under fluorescence microscopy, 5 fields were randomly selected from each frozen section to observe and count cells positive for DAP I and cTn-T. Cells positive for cTn-T are considered to be differentiated cardiac muscle-like cells. Five sections were randomly selected from the infarct site to determine the intercellular staining density of connexin 43 and analyzed by an image analysis system.
  • the capillary density of the infarct area and the infarct area was measured, and the tissue preparation method was
  • dUTP deoxynucleotidyl transferase-mediated deoxynucleotide uridine
  • TUNEL nick end labeling
  • TUNEL analysis (Roche, Germany) to detect apoptosis in myocardial tissue.
  • Transferase (TdT) and fluorescein The labeled dUTP was incubated in a 37 wet box for 60 minutes.
  • the apoptotic index is the percentage of cardiomyocytes that are apoptotic in the total number of cardiomyocytes in the field of view.
  • DAPI-labeled positive cells expressed myocardial and microvascular-specific proteins, including ⁇ -striated muscle actin, cardiac troponin 1 and von Willebrand factor. And vascular smooth muscle actin, indicating that partially implanted mesenchymal stem cells have differentiated into myocardium and microvessels (Fig. 3 A-C).
  • the efficiency of differentiation of the implanted mesenchymal stem cells into cardiomyocytes was significantly higher than that of the third group (45.8 ⁇ 5.1% vs. 8.7 ⁇ 2.4%, ⁇ ⁇ 0.0001) (Fig. 3D).
  • the capillary density of the infarct area and the infarct area was determined by immunohistochemical staining of VWF antibody. There was no significant difference in capillary density between the control group and the second group and the third group (1.8 ⁇ 0.5/HPF vs. 2.0 ⁇ 0.6). For 1 ⁇ 8 ⁇ 0.8, P > .05), however, the capillary density of the fourth infarct increased by 105% compared with the third group (3.7 soil 1.0/HPF, ⁇ 0.0001).
  • the capillary density in the fourth group of infarcts was 8.9 ⁇ 1.9/HPF, which was significantly higher than the other three groups (4.9 ⁇ 1.3/HPF, 5.1 ⁇ 0.9, 5.2 ⁇ 1.4, ⁇ ⁇ ⁇ , 0001) (Fig. 5).
  • the dyskinesia segments in the control, second, third, and fourth segments were 8.2 ⁇ 3.0, 8.3 ⁇ 3.1, 8.7 ⁇ 3.9, and 8.9 ⁇ 3.6, respectively.
  • the SPECT results after one week of initial transplantation showed no significant difference between the four groups (50.7 ⁇ 14.5, respectively) % vs. 52.7 ⁇ 15.5% vs. 51.8 ⁇ 16.5% vs. 49.4 ⁇ 16.0% ⁇ 0.984.
  • the experimental end point SPECT showed that the average perfusion defect area of the control group, the second group, and the third group became 47.8 ⁇ 11.1, respectively.
  • the drug group of the present invention By staining for myocyte specific marker binding protein and DNA end labeling, compared with the control group, the drug group of the present invention, including the second group and the fourth group, significantly decreased the apoptotic cells of the infarcted left ventricle, (apoptosis index 6.1 ⁇ 1.4) , 2.4 ⁇ 0.9 vs 10.1 ⁇ 1.8, P ⁇ 0.0001), and the apoptotic index of Group 4 was also significantly less than that of Group 2 (house ⁇ 0.0001). However, there was no significant difference in the apoptotic index between the third group and the control group. 00.289) (Fig. 7) Evaluation of oxidative stress levels
  • the results of this experiment indicate that the short-term use of the low-dose drug group of the present invention can promote the use of autologous bone marrow mesenchymal stem cells for cell myocardial angioplasty.
  • Microarray gene chip technology detects gene expression profiles of infarcted hearts and found that single use of low doses of the drug group of the invention can produce positive changes in gene expression, including up-regulation of anti-inflammatory, anti-apoptotic and anti-fibrotic genes (data not shown). .
  • the use of low doses of the drug of the present invention in a short period of time can improve the situation after acute myocardial infarction.
  • the microenvironment so that the implanted mesenchymal stem cells stably survive and differentiate.

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Description

一种中药组合物在制备促进骨髄间质干细胞 在体存活和成心肌分化的药物中的应用 技术领域
本发明涉及一种中药组合物的新用途, 具体地, 涉及一种中药组 合物在制备促进骨髓间质干细胞在体存活和成心肌分化的药物中的 应用。 本发明还涉及具有促进骨髓间质干细胞在体存活和成心肌分化 作用的中药组合物以及用所述中药组合物治疗或预防心血管疾病的 方法。 背景技术
心血管疾病每年夺走 1200万人的生命, 接近世界人口总死亡的 1/4, 成为人类健康的头号大敌。 对于心肌梗死或心力衰竭, 传统的 治疗方法, 包括药物、介入和外科手术均不能使缺失的心肌细胞再生, 由于心肌缺失造成不可逆转的心肌重塑过程, 终至心力衰竭和死亡。 近年来, 干细胞再生医学在心血管疾病治疗中取得了突破性进展, 该 技术又被称为细胞心肌成形术(cellular cardiomyoplasty) , 即通过 移植干细胞或心肌细胞, 或者动员外周循环血干细胞或骨髓干细胞迁 移到心肌受损部位来实现损伤心肌的修复。 移植干细胞实施细胞心肌 成形术是改善心肌梗死造成的血液动力学和神经体液紊乱的一种可 行的方法。 各种前期动物实验表明干细胞具有修复心肌细胞的能力, 能改善梗死区的灌注和心功能 [Schuster MD, Kocher AA, Seki T, Martens TP, Xiang G, Homma S , et al. Myocardial neovascularization by bone marrow angioblasts results in cardiomyocyte regeneration. Am J Physiol Heart Circ Physiol 2004; 287: H525 532. ( Schuster MD, Kocher AA, Seki T, Martens TP, Xiang G, Homma S等, 骨髄成血管细胞引起的血管新生导致心肌 细胞再生.美国生理杂志心脏和循环分册 2004; 287: H525 532. ) ]。 尽管干细胞被用于心肌修复的临床研究, 但由于缺血 /再灌注及 炎性因子等的影响导致在局部缺血心脏的供体细胞死亡, 因此细胞心 肌成形术的发展因植入细胞存活率低而受到阻碍。 研究表明大量细胞 在移植入受损的心脏后死亡, 其中绝大部分细胞在移植后 24小时内流 失, 12周后仅剩下 15%存活 [Muller- Ehmsen J, Whittaker P, Kloner RA, Dow JS, Sakoda T, Long TI, et al. Survival and development of neonatal rat cardiomyocytes transplanted into adult myocardium. J Mol Cell Cardiol 2002; 34: 107 116. [PMID: 11851351] ( Muller- Ehmsen J, Whittaker P, Kloner RA, Dow JS, Sakoda T, Long TI,等.新生大鼠的心肌细胞移植入成年大鼠心肌后 的生存和发育. 分子细胞心脏病学杂志, 2002; 34: 107 116. ) ]。
急性心肌梗死会导致严重的局部心肌缺血、 炎症反应、 氧化应激 和凋亡, 这将明显降低移植细胞的存活率。 因此, 保护局部移植的干 细胞, 减少或避免其死亡对临床应用具有重要意义。 目前已有几种可 以改善植入细胞存活率的方法: (1) 热休克疗法能改善移植细胞对 体内缺血 /再濯注损伤的耐受性,提高植入心脏后的存活率 [Suzuki K, Smolenski RT, Jayakumar J, Murtuza B, Brand NJ, Yacoub MH. Heat shock treatment enhances graft cell survival in skeletal myoblast transplantation to the heart. - Circulat ion 2000; 102: III216 221. [PMID: 11082390]) ( Suzuki K, Smolenski RT, Jayakumar J, Murtuza B, Brand NJ, Yacoub MH.热休克疗法增强骨 髓成肌细胞移植到心脏后的存活.循环. 2000; 102: III216 221. )]; (2) Akt修饰的骨髓间质干细胞可以进一步改善梗死心脏功能 [Mangi AA, Noiseux N, Kong D, He H, Rezvani M, Ingwal 1 JS, et al. Mesenchymal stem eel Is modified with Akt prevent remodeling and restore performance of inf arcted hearts. Nat Med 2003; 9: 1195 1201. [PMID: 12910262] (Mangi AA, Noiseux N, Kong D, He H, Rezvani M, Ingwall JS等, Akt修饰的间充质干细胞阻止梗死心脏重 构和恢复心脏功能. 自然医学, 2003; 9: 1195 1201. ) ]; ( 3) 在局部缺血心肌注射质粒载体使亚铁血红素加氧酶 -1过度表达, 减少 单核细胞浸润的数量, 下调炎症因子的表达 [Tang YL, Tang Y, Zhang C, Qian KP, Shen LP, Phillips I. Improved graft mesenchymal stem cell survival in ischemic heart with a hypoxia— regulated Heme Oxygenase-1 vector. J Am Coll Cardiol 2005; 46: 1339-1350. [PMID: 1619885]) ( Tang Y, Zhang C, Qian KP, Shen LP, Phillips I. 亚 铁血红素加氧酶 -1过度表达的间充质干细胞移植到缺血心脏后生存 改善. 美国心脏病学院杂志 2005; 46: 1339-1350. ) ]。 但是, 以上 方法均建立在供体细胞水平的基础上, 而决定移植细胞在心脏中的命 运之关键是梗死局部心肌的微环境, 因此针对梗死心肌微环境进行的 干预可能更加有效的促进移植细胞的存活和发挥生物学效应。
本发明是在第 01131203.3号中国专利和第 200410048292.2号专 利申请的基础上进行的改进发明, 在此全文引用该两专利文件记载的 内容。 本发明提供了一种中药组合物在制备促进骨髓间质干细胞在体 存活和成心肌分化的药物中的新应用, 通过干预性治疗改善局部微环 境的质量, 进而有效促进植入细胞的存活和生物效应。 发明内容
本发明目的是提供一种中药组合物在制备促进骨髓间质干细胞在 体存活和成心肌分化的药物中的应用, 所述中药组合物由如下重量份 的原料药制成:
人参 3-10 水蛭 3-11 土鳖虫 5-10 乳香(制) 1-5 赤芍 3-9 降香 1-5 檀香 1-5 全蝎 3-9 蝉蜕 3-12 蜈蛤 1-3 水片 1-7 酸枣仁(炒) 3-10; 优选地, 该中药组合物由如下重量份的原料药制成: 人参 6 水蛭 10 土鳖虫 7 乳香(制) 2 赤芍 5 降香 2 檀香 2 全蝎 7 7 蜈蚣 1 水片 5 酸枣仁 (炒) 5;
或:
人参 10 水蛭 8 乳香(制) 2 赤芍 5 降香 2 檀香 2 全蝎 9 蜈蚣 1 水片 5 酸枣仁 (炒) 5;
或:
人参 6 水蛭 11 土鳖虫 7 乳香 (制) 2 赤芍 5 降香 2 檀香 2 全蝎 3 % 7 蜈蚣 1 冰片 5 酸枣仁 (炒) 5;
或:
人参 5. 5 水蛭 10. 375 土鳖虫 6. 875 乳香(制) 2. 25 赤芍 4. 75 降香 2. 375 檀香 2. 25 全蝎 6. 875
蝉蜕 6. 875 蜈蚣 1. 375 冰片 1, 375 酸枣仁 (炒)
4. 625;
更优选地, 上述中药组合物的活性成分由下列成分组成:
a 平均粒径小于 100 Wn的全蝎、 水蛭、 蜈蚣、 土竖虫、 蝉蜕及制 乳香药粉;
b 水片药粉;
c 由降香和檀香提取的挥发油;
d 人参用乙醇提取后的醇提液经浓缩后的醇提浸骨;
e 提取成分 c后的降香和檀香药渣的水提液、 赤芍和炒酸枣仁加 水煎煮后的水提液以及提取成分 d后的人参药渣的水提液过滤、 混匀 后浓缩成的水提浸骨。
本发明还公开了含有上述中药组合物作为活性组分的药物制剂 为胶嚢剂、 片剂、 丸剂、 口服液、 软胶囊或滴丸剂。 本发明的另一目的是提供上述中药组合物在制备用自体骨髓间 质干细胞治疗心血管疾病的药物中的应用, 优选地, 该心血管疾病为 心肌梗塞, 特别优选为急性心肌梗塞。
本发明的另一目的是提供促进骨髓间质干细胞在体存活和成心 肌分化的上述中药组合物以及联用自体骨髓间质干细胞治疗心血管 疾病的上述中药组合物, 所述心血药疾病优选为心肌梗塞, 更优选为 急性心肌梗塞。
本发明中药组合物中, 作为活性组分的原料药的拉丁名及其加工 方法来自 《中药大辞典》 ( 1977年 7月, 第一版, 上海科学技术出版 社)和 《中国药典》 (2005年版, 化学工业出版社) 。
本发明中药组合物还可以按常规的制剂工艺, 例如, 范碧亭 《中 药药剂学》 (上海科学出版社 1997年 12月第 1版)记载的制备工艺, 制成药剂学可接受的任意常规剂型, 例如胶農剂、 片剂、 丸剂、 口服 液、 软胶袭、 滴丸等。
本发明制剂中, 还可以含有任选的制剂领域常规的辅料, 例如填 充剂、 崩解剂、 粘合剂、 助流剂、 抗氧化剂、 矫味剂、 甜味剂、 助悬 剂等。 所述辅料包括例如淀粉、 蔗糖、 乳糖、 糊精、 预胶化淀粉, 交 联聚乙烯吡咯烷酮等或中药药剂学可接受的其它辅料(范碧亭 《中药 药剂学》 , 上海科学出版社 1997年 12月第 1版中各剂型记载的辅料) 。
本发明制剂优选通过以下制备方法制成: 将上述配比的水蛭、 全 蝎、 蝉蜕、 土鳖虫、 蜈蚣等五味药洗净, 低温供干, 备用; 檀香、 降 香提取挥发油, 药渣及水溶液备用; 人参用 70%乙醇加热回流提取二 次, 第一次 3小时, 第二次 2小时, 合并提取液, 回收乙醇至无醇味; 人参药渣与檀香、降香的药渣以水溶液合并,加入赤芍、酸枣仁(炒), 加水煎煮二次, 第一次 3小时, 第二次 2小时, 合并煎液, 滤过, 滤液 浓缩至相对密度为 1. 20- 1. 25 ( 60 ) 的清骨, 加入上述人参醇提液, 混匀, 低温干燥, 粉碎成细粉; 乳香(制) 与水蛭等五味共粉碎成细 粉; 水片研细, 分别与上述细粉配研, 混勾, 喷入挥发油, 混勾, 装 入胶袭, 制成 1000粒, 即得。
或者, 本发明制剂优选通过以下制备方法制成:
a) 原料药的重量比为: 人参 3-1 0份、 水蛭 3-1 1份、 土鳖虫 5-1 0 份、 制乳香 1-5份、 赤芍 3-9份、 降香 1-5份、 檀香 1-5份、 全蝎 3- 9份、 蝉蜕 3-12份、 蜈蚣 1-3份、 水片 1-7份、 炒酸枣仁 3-1 0份;
b) 药材粉碎工艺:
将全蝎、 水蛭、 蜈蚣、 土鳖虫和蝉蜕五种虫药经净选、 水洗处理 后和净选炮制后的制乳香按处方配料, 由粉碎机进行粉碎, 药粉细度 达到 80目以上;粗粉后的药粉经各种超微粉碎技术进行超微粉碎, 使 药粉平均粒径小于 1 00 ; 待粉碎的药材经清洗烘干灭菌后, 配料; c) 提取浓缩和干燥工艺:
降香和檀香先加水提取挥发油后再用水提取, 赤芍和酸枣仁加水 煎煮, 水提液过滤后, 待浓缩成浸骨; 人参用乙醇提取后, 再用水提 取, 醇提液回收乙醇后, 浓缩成醇提浸骨, 水提液过滤与所有的水提 液混勾后浓缩成水提浸骨;
d) 制剂工艺:
在沸腾制粒干燥机中加入超微粉碎粉, 再将步骤 c ) 所得提取浸 膏喷入制粒; 将制成的颗粒经整粒, 加入冰片细粉, 喷入由降香和檀 香提取的挥发油, 混勾后由胶囊充填机充填, 制成胶嚢。
或者, 本发明制剂优选通过以下制备方法制成:
a) 原料药的重量比为: 人参 3- 1 0份、 水蛭 3- 11份、 土鳖虫 5-10 份、 乳香(制) 1-5份、 赤芍 3-9份、 降香 1-5份、 檀香 1-5份、 全蝎 3-9 份、 蝉蜕 3- 12份、 蜈蚣 1-3份、 水片 1-7份、 炒酸枣仁 3- 1 0份;
b) 药材粉碎工艺:
将全蝎、 水蛭、 蜈蚣、 土鳖虫和蝉蜕五种虫药经净选、 水洗处理 后和净选炮制后的制乳香按处方配料, 由粉碎机进行粉碎, 药粉细度 达到 80目以上;粗粉后的药粉经各种超微粉碎技术进行超微粉碎, 使 药粉平均粒径小于 1 00 Wn; 待粉碎的药材经清洗烘干灭菌后, 配料; c) 提取浓缩和干燥工艺:
降香和檀香先加水提取挥发油后再用水提取, 赤芍和酸枣仁加水 煎煮, 水提液过滤后, 待浓缩成浸骨; 人参用乙醇提取后, 再用水提 取, 醇提液回收乙醇后, 浓缩成醇提浸骨, 水提液过滤与所有的水提 液混勾后浓缩成水提浸骨, 将浸骨直接喷雾干燥成喷雾粉;
d) 制剂工艺:
将超微粉碎粉与步骤 c)所得喷雾干燥粉一起加到沸腾制粒干燥 机中, 再喷溶媒制成颗粒; 将制成的颗粒经整粒, 加入水片细粉, 喷 入由降香和檀香提取的挥发油,混勾后由胶囊充填机充填,制成胶囊。
本发明组合物的用量,按活性组分原料药总重量计,为每次 0. 8- 3 克, 每日服用 2- 4次, 优选为每次 1. 11-2. 22克, 每日服用三次。
本发明提供大量试验研究数据表明, 使用本发明药物组干预对运 用自体骨髓间质干细胞进行细胞心肌成形术起到促进作用。 微点阵探 测梗塞后心脏的基因表达剖面发现单一使用低剂量本发明药物组可 以使基因表达产生积极变化, 包括对抗炎、 抗凋亡、 抗纤维化基因的 增量调节, 因此, 认为使用本发明药物组干预能改善急性心肌梗塞后 的局部微环境, 从而显著提高植入的骨髓间质干细胞的存活和分化能 力。 进而, 本发明提供的实验数据还证明, 使用本发明药物组干预可 以有效改善急性心肌梗塞后的局部内环境, 对运用自体骨髓间质干细 胞进行细胞心肌成形术起到促进作用, 从而对骨髓间质干细胞的移植 的临床应用具有重要意义。
本发明另一目的是用上述中药组合物治疗或预防心血管病症的 方法, 包括对需要的患者施用有效量的所述中药组合物。 心血管疾病 优选为心肌梗塞, 更优选为急性心肌梗塞。 可以采用本领域常规方法 给药。 附图说明
图 1 显微镜下四组实验动物梗死区的苏木素 -伊红 (HE) 染色和 马松(Masson, s ) 三色染色。 图片显示, 第一组 (对照组) 、 第二 组 (单一使用低剂量本发明药物干预治疗) 、 第三组 (单一进行骨髓 间质干细胞移植干预治疗) 均存在严重纤维化和炎性细胞浸润, 梗死 区基本没有心肌细胞存活; 然而, 第四组 (同时使用骨髓间质干细胞 移植和本发明药物干预治疗)梗死区纤维化和炎性细胞浸润较轻。 图 片 A放大倍数为 400 X , 图片 B放大倍数为 40 χ。
图 2 植入梗死心脏的骨髓间质干细胞的存活能力。 图 (A)显示, 第三组(单一进行骨髓间质干细胞移植干预治疗) 几乎观察不到 4',6 二脒基 -2-苯吲哚盐酸(DAPI ) 标记的移植细胞; 第四组 (同时使用 骨髓间质干细胞移植和本发明药物干预治疗)可以观察到较多 DAPI标 记的移植细胞; 图 (B)显示, 第三组 (单一进行骨髓间质干细胞移 植干预治疗) 与第四组(同时使用骨髓间质干细胞移植和本发明药物 干预治疗)的细胞存活能力存在显著统计学差异。 ·Ρ<0.0001, 图 (A) 的放大倍数为 400 X。
图 3 植入体内的骨髓间质干细胞分化为心肌细胞和血管结构。 图 (A) 和图 (B)显示, 部分 DAPI标记的细胞表达 ot-横纹肌肌动蛋白、 心脏肌钙蛋白 T; 图 (C)显示, 部分 DAPI标记的细胞参与血管生成, 表达血管平滑肌肌动蛋白和血管内皮细胞特异性的因子覆。 图 (D) 显示, 第三组(单一进行骨髓间质干细胞移植干预治疗)与第四组(同 时使用骨髓间质干细胞移植和本发明药物干预治疗) DAPI标记的细胞 在心脏中成心肌分化比率的统计学比较, 两组植入细胞分化成心肌细 胞的能力有显著差异。 'Ρ<0.0001, 图 (Α) 、 图 (B)和图 (C) 的放 大倍数为 400 χ。 注: 图中 MSCs为骨髄间充质干细胞, VWF为血管性假 血友病因子, SM-actin为血管平滑肌肌动蛋白, Overlay表示前三张 视野迭加的显色结果。
图 4 活体内植入细胞的细胞间连接蛋白的表达。图(A )显示, DAPI 标记的细胞表达缝隙连接蛋白 43 (Cx43)。 图 (B ) 显示, 第三组 (单 一进行骨髓间质干细胞移植干预治疗)和第四组 (同时使用骨髓间质 干细胞移植和本发明药物干预治疗) 的缝隙连接蛋白 43表达存在显著 差异。 ' Ρ<0. 0001, 图 ( Α ) 的放大倍数为 400 χ。 注: 图中 Over lay表 示前三张视野迭加的显色结果。
图 5 移植 6周后梗死区及梗死周边区的毛细血管密度。 移植 6周后, 第二组 (单一使用低剂量本发明药物干预治疗) 、 第三组 (单一进行 骨髓间质干细胞移植干预治疗) 与对照组梗死区及梗死周边区的毛细 血管密度无显著差异(' Ρ>0. 05, ·· Ρ>0. 05) , 但均低于第四组 (同时 使用骨髓间质干细胞移植和本发明药物干预治疗)(分别为 # Ρ<0. 0001, " Ρ<0. 0001) 0
图 6 用单光子发射计算机断层摄影(SPECT )检测移植一周后和移 植六周后的心肌灌注缺损面积。 图 (Α )显示每组的 SPECT代表图形。 图 (Β )移植一周后初始的 SPECT结果显示四组间灌注缺损面积无显著 差异('Ρ=0. 984)。 移植六周后, 第四组 (同时使用骨髓间质干细胞移 植和本发明药物干预治疗) 灌注缺损面积显著减少至 22. 1 ± 9. 3%, 与 对照组、 第二组(单一使用低剂量本发明药物干预治疗)、 第三组(单 一进行骨髓间质干细胞移植干预治疗 ) 相比有显著差异(η=7, #Ρ<0. 0001) .
图 7 本发明药物的抗凋亡作用。 (Α) 猪心脏梗死周边心肌抗结合 蛋白抗体和脱氧核苷酸转移酶介导的脱氧三磷酸尿苷(dUTP)缺口末 端标记法(TUNEL )检测胞核内 DNA断裂的凋亡细胞。 在考察终点, 第 2组 (单一使用低剂量本发明药物干预治疗)和第 4组(同时使用骨髓 间质干细胞移植和本发明药物干预治疗)梗死周边有较少的凋亡胞核 (红箭头) 。 放大倍数: x 20. (B) 4组间凋亡指数统计。 与对照组 比较, 第 2组 (单一使用低剂量本发明药物干预治疗) 凋亡心肌明显 减少 ('Ρ < 0. 0001)。 而且第 4组 (同时使用骨髓间质干细胞移植和本 发明药物干预治疗) 凋亡指数明显少于第 2组 (单一使用低剂量本发 明药物干预治疗) (#Ρ < 0. 0001)。 但是与对照组比较, 第 3组 (单一 进行骨髓间质干细胞移植干预治疗 ) 凋亡指数没有显著性差异 (·'Ρ=0. 289)。
图 8 实验终点梗死周边心肌氧化应激水平检测。 (Α) 第 2组(单一 使用低剂量本发明药物干预治疗) 和第 4组 (同时使用骨髓间质干细 胞移植和本发明药物干预治疗)超氧化物歧化酶(SOD ) 活力较对照 组显著升高 ΓΡ < 0, 05, #P < 0. 05)。 但是第 3组 (单一进行骨髓间质 干细胞移植干预治疗) 与对照组比较没有显著性差异("P = 0. 449)。
(B)第 2组 (单一使用低剂量本发明药物干预治疗) 和第 4组 (同时使 用骨髓间质干细胞移植和本发明药物干预治疗) 丙二醛( MDA )含量 较对照组显著减少('Ρ < 0. 05, #Ρ < 0. 05)。 第 3组 (单一进行骨髓间 质干细胞移植干预治疗)和对照组之间没有显著性差异 (Ρ = 0. 195)。 具体实施方式
实施例 1 : 本发明药物的制备
原料药配方为:
人参 55克 水蛭 103. 75克 土鳖虫 68. 75克 乳香 (制) 22. 5克 赤芍 47. 5克 降香 23. 75克 檀香 22. 5克 全蝎 68. 75克 蝉蜕 68. 75克 蜈蚣 13. 75克 冰片 13. 75克 酸枣仁 (炒) 46. 25克;
b) 药材粉碎工艺:
将全蝎、 水蛭、 蜈蚣、 土鳖虫和蝉蜕五种虫药经净选、 水洗处理 后和净选炮制后的制乳香按处方配料, 由粉碎机进行粉碎, 药粉细度 达到 80目以上;粗粉后的药粉经各种超微粉碎技术进行超微粉碎, 使 药粉平均粒径小于 30-40 Mm;待粉碎的药材经清洗烘干灭菌后, 配料; c) 提取浓缩和干燥工艺:
降香和檀香先加水提取挥发油后再用水提取, 赤芍和酸枣仁加适 量水煎煮二次, 每次 3小时, 合并水煎液, 水提液过滤后, 待浓缩成 浸膏; 人参用适量 70%的乙醇提取二次, 每次 3小时, 合并提取液, 回 收乙醇至无醇味,再用水提取,醇提液浓缩成相对密度为 0. 9 ~ 1. 1 (60 °C )醇提浸骨, 水提液过滤与上述所有水提液混勾后浓缩至相对密度 为 0. 9 ~ 1. 1 (60 )的清骨, 备用;
d) 制剂工艺:
在沸腾制粒干燥机中加入超微粉碎粉, 再将步骤 c ) 所得提取浸 膏喷入制粒; 将制成的颗粒经整粒, 加入冰片细粉, 喷入由降香和檀 香提取的挥发油, 混匀后由胶 t充填机充填, 制成 1 000粒胶袁。
本发明药物的用量, 按活性组分原料药总重量计, 为每次 2-4 粒, 每日 良用三次。 实验例 本发明药物在运用骨髓间质干细胞的促进作用
材料与方法
实验动物 1 0月龄的中华小型猪, 体重(30 kg ± 5kg), 由中国农业大 学实验动物中心提供。 所有实验动物均受到人道对待, 符合美国国立 卫生研究院颁布的 《实验动物管理和使用指南》 。 并且, 所有实验方 案均得到了中国医学科学院实验动物管理委员会和中国协和医科大 学阜外心血管病医院实验动物伦理委员会的认可。
猪骨髓间质干细胞的分离和培养
肌肉注射氯胺酮和地西泮对猪进行麻醉, 两种药物剂量分别为 25mg/kg和 lmg/kg。 在无菌操作下对猪的左髂嵴处备皮、 铺单, 用含 12 , 500单位肝素的注射器抽取约 50ml骨髓。 所有实验动物在送回饲养 间之前均肌肉注射丁丙诺啡 0. 3mg止痛。 骨髓间质干细胞的分离和培养按照以前报道的方法略作修改。 简 要的说, 抽取的骨髓用磷酸盐緩沖液(PBS)稀释 1倍, 加入硅石胶态悬 浮液(Percol l分离液, 1. 077g/ml , S i gma公司), 在 4 条件下, 800g 离心 30分钟分离出单个核细胞。 细胞沉淀物用 PBS沖洗 2次, 后以 5 χ 105/cm2的密度铺于正常培养基 [含低葡萄糖 DMEM (G ibco公司), 10%胎 牛血清(Gibco) , 100U/ml青尊素和链霉素]上, 置于 37 、 含 5%二氧 化碳的潮湿培养箱中培养。 三天后, 通过更换培养基去除造血细胞、 成纤维细胞和其它非贴壁细胞。 保留下的贴壁的纯化骨髓间质干细胞 进一步培养增殖。 实验过程中每三天更换一次培养基。经过 10天培养, 贴壁细胞形成均一的细胞克隆。 当贴壁细胞达到 80%融合后, 加入 0. 25%胰酶 -0. 02% EDTA液(S igma)使其重新悬浮, 以 1 : 3的比率传代 进行进一步培养。
心肌梗塞模型, 移植细胞的制备及本发明药物组的促进作用
28头中华小型猪平均分为 4组: 第一组为对照组, n=7、 第二组(单 一使用低剂量本发明药物组干预治疗, n=7 ) 、 第三组 (单一进行骨 髓间质干细胞移植干预治疗, n=7 )和第四组 (同时使用骨髓间质干 细胞移植和本发明药物组干预治疗, n=7 ) 。
在细胞达到 80%融合后, 将其从培养瓶中分离, 在含 10%胎牛血清 的 DMEM ( GIBC0 ) 培养基中使其重新悬浮, 用 4', 6二脒基 -2-苯吲哚 盐酸(DAPI) ( 50 M g/ml , S i gma)在 条件下标记 30分钟。 将细胞在 PBS液中洗涤 6次去除未结合的 DAPI , 然后每个实验动物选取 3 10? 个细胞置于温暖的 DMEM中保存数分钟后进行移植。 标记过程非常重 要, 需确保所有的移植细胞核着色。
肌肉注射氯胺酮和地西泮对猪进行麻醉, 两种药物剂量分别是 25mg/kg和 lmg/kg, 气管插管, 连接机械呼吸机进行人工通气, 通过 血管内注射氯胺酮和地西泮维持麻醉。 沿胸骨正中线开胸, 分离冠状 动脉左前降支(LAD)至第一对角支, 并用塑胶套管结扎, 确保局部缺 血部位的形成。 冠脉结扎前静脉注射利多卡因 2mg/kg , 后持续静脉内 给药直至手术结束, 持续剂量为 0. 5mg/min。 阻塞冠状动脉左前降支 (LAD) 90分钟形成心肌梗死 /再灌注模型。
再灌注后 30分钟, 在每个实验动物的梗死区及其周边区注入自体 骨髓间质干细胞( 3 X 107个细胞) 悬浮液 500 μ 1。 对照组动物注入等 体积的 DMEM液。
移植结束后, 关闭胸腔, 同时放置一个 18F纵隔导管以重建胸腔内 负压并引流残留血液和灌洗液。 此后, 停止使用麻醉剂, 在适当时候 拔除气管插管使伤口愈合。 在没有气体渗漏或残余血液的时候拔除胸 部导管。 所有实验动物术后均接受抗菌治疗, 肌肉注射先锋霉素 V 1. 0, 每天两次, 连续三天; 同时肌肉注射丁丙诺啡止痛, 每天两次, 每次 0. 3mg , 连用三天。
根据既往实验研究确定的剂量, 从实施骨髓间质干细胞移植前三 天至移植后四天喂养本发明药物进行干预治疗, 使用剂量为 0. 05 g · kg · d。
核磁共振影像(MRI )
在细胞移植一周后和六周后分别采用电影 MRI和增强 MRI釆集实猃 动物心功能参数。 釆用临床使用的配有射频接收线圏的 1. 5T磁共振成 像扫描机(西门子, 德国 (S iemens , Germany ) )进行核磁共振成像。 肌肉注射氯胺酮和地西泮对实猃动物进行麻醉, 剂量分别是 25mg/kg 和 lmg/kg。 MRI采用无线心电门控自旋回波。 电影 MRI和相应的增强 MRI 每 4mm扫描一层, 自二尖瓣水平开始, 一共 6- 8层。 测定横向和矢向视 图以确定短轴的正确位面, 每 60° 确定一个长轴的影像。 联合使用全 聚焦稳态快速梯度回波( TrueFi sp )脉冲序列与敏感度编码( TSENSE ) 平行成像技术获取电影 MRI影像。 典型成像参数如下: 循环时间 (TR ) =41. 7 ms, 回波时间 (TE) = 1. 39 ms, 带宽 (BW) = 965 Hz/PX, 翻转角 度(FA) = 48° , 影像矩阵 =109 X 192, 空间分辨率 = 3. 2mm χ 2. 0 mm, 层厚(SL) = 6.0 mm, 平行因素 -3。 采用 TSENSE成像技术的回波成像元 件来获取 3-4短轴位的第一次流程灌注图像和一张四室图像(TR=6.0 ms, TE= 1.22 ms,FA= 30° ,空间分辨率 = 2.8mm 2.8mm, SL= 10. Omm, 平行因素 =2,每次心搏 4-5张图像,所有的层面均为一次饱和前脉冲)。 第一轮扫描获取约 60个心动周期的图像。 将 O. l mmol Gd- DTPA (先灵 公司 (Schering) )用20 mL 0.9% NaCl沖洗(流速 4mL/s)。 灌注后静 脉注射 0. lmmol/kg马根维显溶液, 5分钟后静脉注射 0.2mmol/kg 二亚 乙基三胺五乙酸钆(Gd-DTPA) , 而后直接进行增强 MRI摄影。 使用反 转恢复(PSIR) 闪光序列完成 T1加权, 运用 PSIR技术对 T1进行调整。 典型图像参数如下: TR= 700ms, TE = 4.8ms, BW=130kHz, 平面分辨 率 = 1.8 x 1.3mm, 图像矩阵 =156 χ 256, SL=8mm。 移植干细胞后 6周再 次拍摄所有电影 MRI和增强 MRI图像。 根据解剖学定位使此次拍摄的短 轴切片与第一次基线拍摄的相对应。 另外, 为提供健康对照, 5只假 手术组动物采用相同的 MRI实猃设计进行研究。
单光子发射计算机断层摄影(SPECT)
为测定心肌灌注缺损面积 , 在细胞移植一周后与六周后对心肌进 行单光子发射计算机断层摄影。 静注 9 锝 -曱氧基异丁基异腈 296MBq(8mCi) , 45-60分钟后用 γ照相机进行心肌断层显像。 采用低 能耗双探头 γ照相机(法瑞克姆, 通用公司 (Varicum, GE ) ) , 配有 20%能量窗口的高分辨率准直器, 置位于到 140KeVY峰值。 每桢采集 40s、 32个影像, 采集矩阵 64 x 64, 投照范围从右前斜 45° —左后斜 45 ° , 共 180。 。 SPECT重建釆用巴特渥斯 (Butterworth) 低滤波, 截 止频率 0.45, 类型为 5, 通过对心脏轴进行调整, 重建心脏短轴、 垂 直长轴、 水平长轴三个轴面的图像数据。 采用闪烁法的牛眼技术计算 灌注缺损面积。
组织学分析
为检测移植的骨髓间质干细胞成心肌和血管分化潜力, 对心肌冰 冻组织切片进行荧光免疫分析, 以 5μπι厚度连续切片。 检测的抗体包 括: 血管内皮细胞特异性的因子 Vffl ( VWF 1: 50, DAK0) 、 c -血管平 滑肌肌动蛋白(SM-actin, 1: 50, DA 0) o -横紋肌肌动蛋白(1: 50, DAK0)、心脏肌钙蛋白 T(cTn-T, 1: 50, Sigma)、缝隙连接蛋白 43 (1: 50, Sigma)。 切片经 PBS漂洗后, 用罗丹明或异硫氰酸荧光素标记的羊抗 鼠或兔 IgG孵育。 最后, 在激光扫描共聚焦显微镜下观察拍照。
测定体内移植的骨髓间质干细胞的存活和分化能力, 自心尖至心 底将左心室横断切成 8片, 每片随机选取 5张 5- μπι厚的冰冻切片。 在 荧光显微镜下, 每张冰冻切片随机选取 5个视野进行观察并计数对 DAP I和 cTn- T呈阳性的细胞。 对 cTn-T呈阳性的细胞被认为是分化的心 肌样细胞。 在梗死部位随机选取 5张切片测定缝隙连接蛋白 43的细胞 间染色密度, 并运用图像分析系统进行分析。
测定梗死区及梗死周边区的毛细血管密度, 组织制备方法为
Weidner N, Semple JP, Welch WR, Folkman J. Tumor angiogenesis and metastasis -correlation in invasive breast carcinoma. N Engl J Med 1991; 324: 1 8. [PMID: 1701519] (Weidner N, Semple JP, Welch WR, Folkman : Γ.侵入性乳腺癌中肿瘤血管发生和转移相关 性.新格兰医学杂志, 1991; 324: 1 8. )所记载。用 VWF抗体(1: 200, DAK0)对切片进行染色。 从每个试检动物的梗死区和梗塞周边区域分 别选取 5张和 8张切片, 由一名未参与细胞处理的研究人员进行分析, 计数阳性染色的血管。 从每张选取的切片中随机选取 5个高倍视野进 行计数, 结果用每个高倍视野下的毛细血管数目来表达。
脱氧核苷酸转移酶介导的脱氧三磷酸尿苷(dUTP)缺口末端标记法 ( TUNEL )检测细胞凋亡
我们用 TUNEL分析法 (罗氏, 德国)检测心肌组织中细胞凋亡情 况, 在实验终点时, 获取所有动物梗死周边区域的心肌组织切片, 石 蜡切片用胰酶消化脱蜡, 与末端脱氧核苷酸转移酶(TdT) 和荧光素 标记的 dUTP 在 37 湿箱中孵育 60分钟。 然后与氢化荧光素共轭的 碱性磷酸酶特异性抗体孵育 30分钟, TUNEL染色用 3, 3 -二氨基联 苯胺(DAB )显色, 含有 DNA 断裂片断的胞核被染成蓝色。 为了检测 切片中凋亡胞核的比例, 组织用心肌特异性的结蛋白 (Desmin )单克 隆抗体复染(1: 100, DAK0) , 组织切片在 400 倍显微镜下观察, 最少 在 8个高倍视野下计数 100个以上的心肌细胞, 凋亡指数(apoptot i c index)为凋亡的心肌细胞占视野中心肌细胞总数的百分比。
抗氧化酶活性和脂质过氧化物
为了检测梗死心肌的氧化应激水平, 我们在实验终点时获取梗死 周边心肌组织, 超氧化物歧化酶用黄嘌呤氧化法检测 (南京建成公 司),脂质过氧化物用硫代巴比妥酸法检测的心肌丙二醛水平表示(南 京建成公司) 。
统计分析
连续变量用均数士标准差表示, 用卡方检验( X 2 ) 对第三组和第 四组分化率的组间差异进行分析。 对数据进行方差齐性检验和正态分 布评估, 而后进行方差分析, 确定各组在各个分析阶段(移植后一周 为基线检测, 移植后六周为终点检测)存在的差异, 以移植一周后数 据为参照对移植六周后数据进行分析。 用最小显著差异法 (LSD )检 验对两组间的多个参数进行对比。 用巴夫罗尼( Bonf e r ron i )法校正, 当尸Ό. 05时, 差异有显著意义。 所有数据均使用 SPSS13. 0.进行统计 分析。
结果
在所有参数成功收集以前, 对照组、 第二组、 第三组中各有一只 动物死亡, 死亡动物数据未纳入统计分析。
组织学分析
细胞移植 6周后, HE染色显示, 对照组梗死部位严重纤维化并出现 慢性炎细胞浸润, 心肌细胞存活艮少, 第二组和第三组情况也同样如 此。 相比较而言, 第四组纤维化和慢性炎细胞浸润现象较轻, 同时梗 死区有心肌细胞存活(图 1)。
观察发现, 第四组 DAPI标记的阳性细胞明显多于第三组(308.9士 88.2对 73.2士 21.3, AO.0001) (图 2A-B)。
移植六周后, 第三组和第四组的免疫荧光分析显示 DAPI标记的阳 性细胞表达心肌和微血管特有蛋白, 包括 α -横纹肌肌动蛋白、 心脏 肌钙蛋白1\ 血管性假血友病因子和血管平滑肌肌动蛋白, 表明部分 植入的骨髓间质干细胞已经分化成心肌和微血管 (图 3 A- C)。 特别是 第四组, 其植入的骨髓间质干细胞分化为心肌细胞的效率显著高于第 三组(45.8 ± 5.1% 对 8.7 ±2.4%, Ρ<0.0001) (图 3 D) 。
此外, 通过检测缝隙连接蛋白 43的表达研究梗死区 DAPI标记的阳 性细胞间的胞间连接。 结果表明, 第四组缝隙连接蛋白 43的表达显著 多于第三组(16.1 ± 1.4 对 4.7 ± 1.8, P<0.0001) (图 4 A B)。
毛细血管密度
根据 VWF抗体的免疫组化染色测定梗死区及梗死周边区的毛细血 管密度, 对照组与第二组、 第三组比较, 梗死区毛细血管密度无显著 差异(1.8 ± 0.5/HPF 对 2.0± 0.6 对 1· 8士 0.8, P> .05) , 然而, 与 第三组相比, 第四组梗死区的毛细血管密度增加了 105% (3.7 土 1.0/HPF, ^0.0001)。 第四组梗死周边区的毛细血管密度为 8.9士 1.9/HPF, 显著高于其它三组(4.9 ± 1.3/HPF, 5.1士 0.9, 5.2 ± 1.4, Ρ<ΰ, 0001) (图 5)。
核磁共振影像与单光子发射计算机断层摄影
每组共取 36个节段进行分析, 计数运动障碍节段以分析室壁增厚 率。 移植一周后, 对照组、 第二组、 第三组、 第四组的 36个节段中运 动障碍节段分别为 8.2士 3.0、 8.3士 3.1、 8.7士 3.9、 8.9 ± 3.6, 分别 占各组总数的 22.8%、 23.1%、 24.2%与 24.7%, 各组间无显著差异 00.983)。 所有的运动障碍节段被用来计量局部的室壁增厚率。 移 植一周后, 其它参数, 包括局部室壁增厚率( *=(). 91 5)、 左心室射血 分数(LVEF, O. 996)、梗死面积( =0. 991)、 左室舒张末期容积(EDV, «=0. 852)、 左室收缩末期容积(ESV, ^0. 990) , 左室质量指数(LVma s s i ndex, P=0. 791) , 在 4组间比较无显著差异。 移植 6周后, 与对照组 相比, 第四组的心功能各项参数除 EDV和 ESV外均有显著改善 (尸 < 0. 0001)。 各组左室功能及心室几何结构的改变见表 1。 表 1 移植一周后与六周后左室功能和结构的 MRI结果
1 2 3 4
分组 基线 4*.占、、 基线 -'ί <占·、、 基线 占 基线 占 左室射血 42. 6 43. 9 ± 43. 3 44. 8 43. 5 45. 7 土 42. 7 ± 50. 0 士 分数 (%) 土 7. 6 土 土 土 9. 6# 7. 6* 10. 1##
7. 9 7. 9 8. 5 10. 0
EDV 57. 8 66. 2 土 58. 2 65. 8 56. 8 63. 5 ± 55. 1 士 64. 6 士
(ml) ± 5. 8 6. 8 土 士 土 6. 9 6. 3 # 8. 2 * 7. 5 * *
5. 8 5. 6
ESV 33. 5 37. 3 士 33. 3 36. 7 32. 7 35. 0 士 32. 1 士 32. 8 士
(ml) 土 7. 5 土 土 ± 9. 6 9. 5 # 9. 2 * 10. 1 **
7. 6 7. 7 8. 3
运动障 8. 2 土 7. 7 士 8. 3 土 7. 5 士 8. 7 土 7. 8 士 8. 9 ± 4. 9 土 碍节段 3. 0 2. 4 3. 0 2. 3 3. 9 3. 4 # 3. 6 * 1. 8 Μ 室壁 -25. 5 -27. 5 -27. 2 -25. 7 -23. 0 -20. 2 -25. 9 35. 9 土 厚度 (%) 土 士 15. 7 士 士 士 土 士 10. 8
17. 2 15. 6 14. 0 14. 5 12. 8 # 14. 1 * 梗塞面 6. 6 土 6. 7 土 7. 0 土 7. 1 士 6. 8 士 7. 0 ± 6. 5 土 3. 3 士 积 (cm ) 2. 0 2. 1 2. 2 2. 3 2. 1 2. 1 # 2. 3 * 1. 8 左心室 64. 7 77. 8 ± 63. 2 76. 2 60. 2 76. 0 土 60. 8 ± 66. 4 ± 质量指数 土 8. 1 土 土 ± 7. 9 5. 4 # 8. 4 * 8. 1 ##
(g/ 6. 3 8. 1 8. 1 基线表示移植一周后; 终点表示移植六周后; LVEF表示左室射血分数; EDV 表示左室舒张末期容积; ESV表示左室收缩末期容积; 运动障碍节段 ( Dysk ine t i c segment s ) ; 室壁增厚率 (Wa l l thi ckening); 梗死面 积 (Infarct size) ) ; 左心室质量指数 ( LV mass indes ) ; ·Ρ>0.05 (移植一周后 四组间比较); *Ρ>0.05(移植六周后对照组与第二组间比较); '·Ρ>0· 05(移植六周 后第二组、 第三組的舒张末期容积和收缩末期容积与对照组比较); " Ρ<0.0001 (移植六周后第二组、 第三组与对照组间比较) 图 6包含了移植一周后和移植六周后用来检测港注缺损面积的典 型的 SPECT图像。 最初的移植一周后的 SPECT结果显示四组间无显著差 异(分别为 50.7 ± 14.5%对 52.7 ± 15.5%对 51.8 ± 16.5%对 49.4士 16.0% ^0.984)。 移植 6周后, 实验终点 SPECT显示对照组、 第二组、 第三组 的平均灌注缺损面积分别变为 47.8 ± 11.1%、 50.7土 12.5%、 47.3土 13.2%(n=6, ^=0.899) , 而第四组的平均灌注缺损面积为 22.1 ± 9.3%, 较前三组显著减少(n=7, AO.0001) 。
梗死心肌周围细胞凋亡
通过对肌细胞特异标记物结合蛋白和 DNA末端标记相伴染色, 与 对照组比较本发明药物组, 包括第 2组和第 4组, 梗死左心室凋亡细 胞显著减少, (凋亡指数 6.1 士 1.4, 2.4 士 0.9 对 10.1 士 1.8, P< 0.0001) , 而且第 4组的凋亡指数也显著少于第 2组(户< 0.0001) 。 然而第 3组的凋亡指数与对照组比较无显著性差异 00.289) (图 7) 氧化应激水平的评估
在实验终点, 第 2组和第 4组梗死周边心肌 SOD活性显著高于对照 组, (98.7 ± 9.8, 105.1 士 7.0 对 83.4 士 8.8 U/mg 蛋白, P 0.05) , 表明本发明药物组用药能增强自由基清除能力, 然而第 3组和 对照组之间无显著性差异(87.4 ± 10.2 U/mg 蛋白, = 0.449) . 与 之对应的是, 第 2组和第 4组梗死心肌 MDA含量较对照组明显减少(6.1 士 0.7, 6.0 ± 0.6对 9.0 士 0.8 nmol/mg蛋白, P 0.05), 提示 本发明药物组能显著减轻脂质过氧化及其引起的细胞损害, 对照组 与第 3组之间没有显著性差异(8.5 士 0.8 nmol/mg 蛋白, 户 = 0.195) (图 8) .
讨论
本试验研究表明: (1 ) 急性心肌梗死 /再灌注后立即心肌内注射 自体骨髓间质干细胞, 移植细胞在活体内存活、 分化能力有限, 未对 梗死后心脏产生显著的功能学获益; (2 )短期内单一使用低剂量本 发明药物也不会对梗死后心脏产生显著的功能学获益, 然而, 在使用 本发明药物组的基础上, 急性心肌梗死 /再漼注后立即心肌内注射骨 髓间质干细胞, 移植细胞在活体内的生存和分化能力较单纯移植组显 著增强, 同时本发明药物和干细胞移植联合还能减少梗死面积、 促进 血管生成、 改善心肌功能、 逆转心室重构。
本实验最重要的发现是: 在短期内使用低剂量本发明药物组干预 的基础上, 急性心肌梗死及再濯注后立即心肌内注射骨髓间质干细 胞, 植入细胞在活体内的生存和分化能力较单一植入的骨髓间质干细 胞显著增强, 同时对改善心功能具有显著作用。 这表明, 干细胞的移 植、 存活和分化对急性心肌梗死后的心肌微环境有很强的依赖性。
本实验表明, 与单纯移植骨髄间质干细胞组相比, 联合使用本发 明药物和骨髓间质干细胞移植组植入细胞的存活和分化显著提高, 此 外, 单纯使用低剂量本发明药物组未显著改善心功能。 基于上述实验 结果, 我们可以推断, 本发明药物组对急性心肌梗死后局部微环境的 改善提高了植入细胞的存活率和生物活性。 尽管单纯使用低剂量本发 明药物本身不会产生明显的疗效, 但它能显著提高植入的骨髓间质干 细胞的存活和分化能力。 本实验结果表明, 短期内使用低剂量本发明 药物组干预对运用自体骨髓间质干细胞进行细胞心肌成形术起到促 进作用。 微阵列基因芯片技术探测梗死后心脏的基因表达谱发现单一 使用低剂量本发明药物组可以使基因表达产生积极变化, 包括对抗 炎、 抗凋亡、 抗纤维化基因的上调 (数据未显示) 。 基于以上研究, 我们认为短期内使用低剂量本发明药物能改善急性心肌梗死后的局 部微环境, 从而使植入的骨髓间质干细胞稳定存活和分化。
综上所述, 我们首次发现短期内使用低剂量本发明药物可以有效 改善急性心肌梗死后的局部微环境, 对运用自体骨髓间质干细胞进行 细胞心肌成形术起到促进作用, 对骨髓间质干细胞的移植的临床应用 具有重要意义。

Claims

权利要求
1. 一种中药组合物在制备促进骨髓间质干细胞在体存活和成心 肌分化的药物中的应用, 其特征在于所述中药组合物由如下重量份的 原料药制成:
人参 3-10 水蛭 3-11 土鳖虫 5-10 乳香(制) 1-5 赤芍 3-9 降 香 1-5 檀香 1-5 全蝎 3-9 蝉蜕 3-12 蜈蚣 1-3 水片 1-7 酸枣仁 (炒) 3-10。
2. 如权利要求 1所述的应用,其特征在于所述中药组合物由如下重 量份的原料药制成:
人参 6 水蛭 10 土鳖虫 7 乳香(制) 2 赤芍 5 降香 2 檀香 2 全蝎 7 蝉蜕 7 蜈蚣 1 冰片 5 酸枣仁 (炒) 5。
3. 如权利要求 1所述的应用,其特征在于所述中药组合物由如下重 量份的原料药制成:
人参 10 水蛭 8 土鳖虫 7 乳香(制) 2 赤芍 5 降香 2 檀香 2 全蝎 9 蝉蜕 7 蜈蚣 1 水片 5 酸枣仁 (炒) 5。
4. 如权利要求 1所述的应用,其特征在于所述中药组合物由如下重 量份的原料药制成:
人参 6 水蛭 11 土鳖虫 7 乳香(制) 2 赤芍 5 降香 2 檀香 2 全蝎 3 蝉蜕 7 蜈蚣 1 水片 5 酸枣仁 (炒) 5。
5. 如权利要求 1所述的应用,其特征在于所述中药组合物由如下重 量份的原料药制成:
人参 5. 5 水蛭 10. 375 土鳖虫 6. 875 乳香(制) 2. 25 赤芍 4. 75 降香 2. 375 檀香 2. 25 全蝎 6. 875 蝉蜕 6. 875 蜈蚣 1. 375 水片 1. 375 酸枣仁 (炒) 4. 625。
6. 如权利要求 1-5中任一项所述的应用,其特征在于所述中药组合 物的活性成分由下列成分组成:
a 平均粒径小于 100 μπι的全蝎、 水蛭、 蜈蚣、 土鳖虫、 蝉蜕及制 乳香药粉;
b 冰片药粉;
c 由降香和檀香提取的挥发油;
d 人参用乙醇提取后的醇提液经浓缩后的醇提浸骨;
e 提取成分 c后的降香和檀香药渣的水提液、 赤芍和炒酸枣仁加 水煎煮后的水提液以及提取成分 d后的人参药渣的水提液过滤、 混匀 后浓缩成的水提浸骨。
7. 一种中药组合物在制备促进骨髓间质干细胞在体存活和成心肌 分化的药物中的应用, 其特征在于含有权利要求 1 - 6中任一项中药组 合物作为活性组分的药物制剂为胶嚢剂、 片剂、 丸剂、 口服液、 软胶 嚢剂或滴丸剂。
8. 如权利要求 1-7中任一项所述的应用,其特征在于所述中药组合 物在制备用自体骨髓间质干细胞治疗心血管疾病的药物中的应用。
9. 如权利要求 8所述的应用, 其特征在于, 所述心血管疾病为心肌 梗塞。
1 0. 如权利要求 8所述的应用, 其特征在于, 所述心血管疾病为急 性心肌梗塞。
1 1. 具有促进骨髓间质干细胞在体存活和成心肌分化作用的权利 要求 1-7任一项中所述的中药组合物。
12. 用于同自体骨髓间质干细胞联合治疗心血管疾病的权利要求 1-7任一项中所述的中药组合物。
1 3. 权利要求 12所述的中药组合物, 其中所述心血管疾病为心肌 梗塞, 优选急性心肌梗塞。
14. 一种治疗或预防心血管疾病的方法, 包括对需要的患者施用 权利要求 1-7任一项中所述的中药组合物和骨髄间质干细胞。
1 5. 权利要求 1 3的方法, 其中所述心血管疾病为心肌梗塞, 优选 急性心肌梗塞。
16. 权利要求 14的方法, 其中所述骨髓间质干细胞为自体骨髓间 质干细胞。
PCT/CN2008/001401 2008-07-29 2008-07-29 一种中药组合物在制备促进骨髓间质干细胞在体存活和成心肌分化的药物中的应用 WO2010012127A1 (zh)

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