WO2015088286A1 - 줄기세포 유래 엑소좀을 유효성분으로 포함하는 뇌혈관 질환 치료용 약학적 조성물 - Google Patents
줄기세포 유래 엑소좀을 유효성분으로 포함하는 뇌혈관 질환 치료용 약학적 조성물 Download PDFInfo
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Definitions
- the present invention relates to a pharmaceutical composition for treating cerebrovascular disease comprising stem cell-derived exosomes as an active ingredient.
- Stem cells are undifferentiated cells and have the ability to differentiate into two or more different types of cells with self-replicating ability. Stem cells can be classified into totipotent stem cells, pluripotent stem cells, and multipotent stem cells according to their differentiation capacity. It can be classified into stem cells and adult stem cells. Embryonic stem cells are derived from preimplantation fertilized eggs or developing fetal genital tissues, while adult stem cells are derived from organs present in the adult, such as bone marrow, brain, liver, and pancreas.
- stem cells have been attempted to apply stem cells to various diseases such as cerebral infarction, traumatic nerve injury, and musculoskeletal disorders.
- the current technical level is only to study the extraction and culture / proliferation of stem cells and the degree of injecting them, and until recently, clinical research shows that these stem cell treatments have not shown a clear effect.
- various genetically engineered stem cells have been researched, but gene therapy using cells has limitations that cannot be applied to the human body due to ethical issues.
- cerebrovascular disease refers to a neurologic deficit caused by a disorder of normal blood supply to the brain, and includes stroke, cerebral infarction, cerebral hemorrhage, cerebral arteriosclerosis, subarachnoid hemorrhage, cerebrothrombosis, or embolism.
- cerebrovascular disease especially intraventricular hemorrhage and stem cell-derived exosomes.
- the present inventors continued to develop new therapeutic agents for cerebrovascular disease, and as a result, stem cell-derived exosomes suppress the ventricle expansion in the ventricular hemorrhagic animal model, inhibit neuronal cell death and inflammatory cells.
- the present invention was completed by confirming that it has a therapeutic effect on cerebrovascular disease.
- an object of the present invention is to provide a pharmaceutical composition for treating cerebrovascular disease comprising stem cell-derived exosomes as an active ingredient.
- the present invention provides a pharmaceutical composition for treating cerebrovascular disease comprising a stem cell-derived exosomes as an active ingredient.
- Stem cell-derived exosomes according to the present invention has excellent neuronal cell protective effects such as inhibiting the expansion of the ventricles, reducing brain hydrocephalus, inhibiting neuronal cell death and inflammatory cells in the intraventricular hemorrhage (IVH) animal model Therefore, it can be usefully used for the treatment of cerebrovascular diseases including intraventricular hemorrhage.
- IVH intraventricular hemorrhage
- FIG. 1 is a diagram confirming the form of the stem cell-derived exosomes isolated in the present invention through SEM image analysis.
- FIG. 2 is a diagram confirming whether the exosome markers CD63 and CD9 are normally expressed in the stem cell-derived exosomes isolated in the present invention.
- FIG. 3 is a diagram confirming whether the growth factors VEGF and HGF are normally expressed in the stem cell-derived exosomes isolated in the present invention.
- FIG. 4 is a diagram showing the concentration of thrombin and the viability of the neuron according to time when the neuron is treated with thrombin.
- FIG. 5 is a diagram showing the viability of neurons when treated with thrombin to the neurons, when treated with the stem cell-derived exosome of the present invention.
- FIG. 6 is a diagram observing the morphology of neurons when treated with thrombin in the nerve cells, when treated with the stem cell-derived exosome of the present invention.
- FIG. 7 is a diagram illustrating an animal experiment design for confirming the effect of intraventricular hemorrhage treatment.
- FIG. 8 is a view of the degree of ventricular dilatation through brain MRI image analysis 1, 6 and 28 days after IVH induction.
- FIG. 9 is a view showing the results obtained by calculating the volume of the entire ventricle / the total brain by brain MRI image analysis 1, 6 and 28 days after IVH induction.
- FIG. 10 is a diagram showing the results of evaluation of negative voice in the ventricular bleeding animal model.
- FIG. 11 is a diagram showing the results of the rotarod evaluation in the intraventricular bleeding animal model.
- FIG. 12 is a diagram showing the results of TUNEL assay in brain tissue of intraventricular hemorrhage animal model.
- Figure 13 is a diagram showing the results of immunohistochemical staining using GFAP antibody in the brain tissue of intraventricular hemorrhage animal model.
- Figure 14 is a diagram showing the immunohistochemical staining results using the ED-1 antibody in the brain tissue of intraventricular bleeding animal model.
- 15 is a diagram showing the results of immunohistochemical staining using MBP antibody in the brain tissue of intraventricular hemorrhage animal model.
- Figure 16 is a diagram showing the results of measuring the concentration of inflammatory cytokines (IL-1 ⁇ , IL-1 ⁇ , IL-6 and TNF- ⁇ ) using ELISA in brain tissue of intraventricular bleeding animal model.
- IL-1 ⁇ , IL-1 ⁇ , IL-6 and TNF- ⁇ inflammatory cytokines
- the present invention provides a pharmaceutical composition for the treatment of cerebrovascular disease comprising a stem cell-derived exosomes as an active ingredient.
- stem cells refers to cells that have the ability to differentiate into two or more different types of cells while having self-replicating ability as undifferentiated cells.
- Stem cells of the present invention may be autologous or allogeneic stem cells, may be from any type of animal, including humans and non-human mammals, and is not limited to whether the stem cells are derived from adults or embryos Do not.
- Stem cells of the present invention include embryonic stem cells or adult stem cells, preferably adult stem cells.
- the adult stem cells may be mesenchymal stem cells, human tissue-derived mesenchymal stromal cells, human tissue-derived mesenchymal stem cells, multipotent stem cells or amniotic epithelial cells, preferably mesenchymal stem cells
- the mesenchymal stem cells may be mesenchymal stem cells derived from umbilical cord, umbilical cord blood, bone marrow, fat, muscle, nerve, skin, amnion, and placenta, but is not limited thereto.
- exosome refers to a small vesicle of membrane structure secreted from various cells.
- the diameter of the exosome is approximately 30-100 nm, which means that the vesicle is released into the extracellular environment due to the fusion of the polycystic body and the plasma membrane.
- Cerebrovascular disease includes stroke, cerebral infarction, cerebral hemorrhage, cerebral arteriosclerosis, subarachnoid hemorrhage, cerebrothrombosis or cerebral embolism, which is preferably intraventricular hemorrhage (IVH), but is not limited thereto. .
- IVH intraventricular hemorrhage
- Stem cell-derived exosomes according to the present invention has excellent neuronal cell protective effects such as inhibiting the expansion of the ventricles, reducing brain hydrocephalus, inhibiting neuronal cell death and inflammatory cells in the intraventricular hemorrhage (IVH) animal model have.
- IVH intraventricular hemorrhage
- stem cell-derived exosomes according to the present invention can be usefully used for the treatment of cerebrovascular diseases including intraventricular hemorrhage.
- composition of the present invention may further contain at least one known active ingredient having a therapeutic effect of cerebrovascular disease with stem cell-derived exosomes.
- compositions of the present invention can be administered in a dosage form, formulated in a unit dosage form suitable for administration in the body of a subject according to conventional methods in the pharmaceutical art.
- Formulations suitable for this purpose include parenteral injectables such as injectable ampoules, injectables such as infusion bags, sprays such as aerosol preparations and the like.
- the injection ampoule may be mixed with the injection solution immediately before use, and physiological saline, glucose, Ringer's solution, etc. may be used as the injection solution.
- the infusion bag may be made of polyvinyl chloride or polyethylene.
- composition of the present invention may further comprise a suitable carrier commonly used in the manufacture of pharmaceutical compositions.
- a suitable carrier commonly used in the manufacture of pharmaceutical compositions.
- a preservative, a painless agent, a solubilizer, or a stabilizer may be further included, and in the case of a topical administration, a base, an excipient, a lubricant, or a preservative may be further included.
- compositions of the present invention can be administered to a subject by various routes. All modes of administration can be envisaged, for example by oral, rectal or intravenous, intramuscular, subcutaneous, intrauterine dural or cerebrovascular injections, preferably directly in the ventricles of the subject in need of treatment. It is possible to engraft or transplant, but is not limited thereto.
- composition of the present invention may be used alone or in combination with methods using surgery, radiation therapy, hormone therapy, chemotherapy and biological response modifiers for the treatment of cerebrovascular diseases.
- the present invention also provides a method for treating cerebrovascular disease by administering a pharmaceutically effective amount of stem cell-derived exosomes to a subject.
- the pharmaceutically effective amount can be determined by the practitioner within the correct medical judgment.
- the specific pharmaceutically effective amount for a particular subject may be determined by the specific composition, including the type and severity of the reaction to be achieved, whether or not other agents are used in some cases, the age, weight, general health, sex and diet, time of administration, Different applications are desired depending on the route of administration and the rate of release of the composition, the duration of treatment, the drug used in conjunction with or concurrently with the specific composition and similar factors well known in the medical arts.
- the mesenchymal stem cells were diluted to a concentration of 1 ⁇ 10 5 cells / ml, and then cultured for 1 week by dispensing 3 ml in a 60 mm culture dish. After confirming that the cells were fully proliferated in the culture dish, the culture medium in which thrombin was diluted at a concentration of 50 U / ml was replaced, and cultured again for 24 hours. Thereafter, the culture solution was divided into 2 ml centrifuge tubes, centrifuged at 4 ° C. and 10000 g for 30 minutes, and the supernatant was transferred to a new tube to remove cell debris. The supernatant was ultracentrifuged again at 4 ° C., 100,000 g for 2 hours, the supernatant was removed and exosomes were separated.
- Exosomes isolated through the above procedure were observed through SEM images, and Western blots were used to confirm the expression of known exosome markers CD63 and CD9 (System Bioscience, Mountain View, CA, USA).
- the proteins in the exosomes were separated, and the growth factors in the exosomes HGF and VEGF using the Procarta immunoassay kit (affymatrix, Santa Clara, CA, USA) The amount of was measured. The results are shown in FIGS. 1 to 3, respectively.
- the exosomes obtained through the above method normally expresses the exosome markers CD63 and CD9, confirming the presence of growth factors VEGF and HGF in the exosomes It was.
- Example 1 In order to verify the neuronal protective effect of the stem cell-derived exosomes obtained in Example 1 in vitro , the following experiment was performed.
- the fetus was removed from the white paper at 18.5 days of gestational age, the cerebral cortex was isolated, and the neurons were cultured for 7 days. Cultured neurons induced cell death by varying the thrombin treatment concentration (10-80 U / ml) and time (8 or 16 hours). Cell viability was measured using a cell count kit (Dojindo, Kumamoto, Japan). The results are shown in FIG.
- Example 2-1 After treatment with thrombin in the same manner as in Example 2-1 treated with 1 ml of the stem cell-derived exosomes obtained in Example 1 at a concentration of 15 ⁇ g / ml to the neuron induced cell death, cell Cell viability was measured using a count kit. The results are shown in FIGS. 5 and 6.
- Example 1 In order to verify the cerebrovascular disease therapeutic effect of the stem cell-derived exosomes obtained in Example 1 in vivo , the following experiment was performed.
- Brain MRI images of white papers obtained 1, 7 and 28 days after IVH induction were analyzed.
- the extent of expansion of the ventricles was analyzed using the Image J program, and the volume of the whole ventricles / volume of the whole brain was obtained. The results are shown in FIGS. 8 and 9.
- the ventricles of the white paper were enlarged and hydrocephalus was induced by IVH induction, whereas the group receiving mesenchymal stem cell-derived exosomes had a significant effect of reducing brain hydrocephalus. It appeared to appear.
- the fibroblast-derived exosomes were not significantly different from the IVH induction group (IC).
- Negative geotaxis evaluation was analyzed by placing the head of the white paper down on the inclined plate according to a conventionally known method and recording the time it takes for the head to face upwards of the inclined plane. P25, and P32 respectively.
- rotatod evaluation to analyze the effect on long-term motor function was performed continuously from P30 to P32 according to a conventionally known method. The results are shown in FIGS. 10 and 11, respectively.
- the IVH induction group showed significantly impaired sensory motor function compared to the normal group, and the group administered with mesenchymal stem cell-derived exosomes improved both negative appetite and rotarod evaluation It confirmed the effect.
- TUNEL terminal deoxynycleotidyltransferase-mediated deoxyuridine triphosphate nick-end labeling
- the number of TUNEL-positive cells in the IVH-induced group was significantly increased compared to the normal group, and the group to which the mesenchymal stem cell-derived exosomes were administered was the IVH-induced group and the fibroblast-derived exosomes.
- the number of TUNEL positive cells was statistically significant. Through this, it was confirmed that mesenchymal stem cell-derived exosomes had an effect of inhibiting the increased brain cell death by intraventricular hemorrhage.
- the IVH induction group was increased in the degree of GFAP staining compared to the normal group, the group administered with mesenchymal stem cell-derived exosomes statistically compared to the group administered with IVH-induced group and fibroblast-derived exosomes It was confirmed that the degree of GFAP staining was significantly lower. Through this, it was confirmed that the mesenchymal stem cell-derived exosomes had an effect of reducing the reactive glialization increased by intraventricular hemorrhage.
- ED-1 antibodies mouse monoclonal, Millipore, Immunohistochemical analysis was performed using Concord Road, MA, USA; 1: 100 dilution. The results are shown in FIG.
- the number of ED-1 positive cells in the IVH induction group was significantly increased compared to the normal group, and the group in which the mesenchymal stem cell-derived exosomes were administered was treated with the IVH induction group and fibroblast-derived exosomes. Compared with the group, the number of ED-1 positive cells was statistically significant. Through this, it was confirmed that mesenchymal stem cell-derived exosomes have an effect of reducing inflammatory cells increased by intraventricular hemorrhage.
- myelin basic protein (MBP) antibody (rabbit polyclonal, Abcam, Cambridge, MA, USA; 1: 1000 dilution) in brain tissue sections obtained in the same manner as in Example 3-4 Immunohistochemical analysis was performed using The results are shown in FIG.
- the degree of MBP staining was decreased in the IVH induction group compared with the normal group, and the group administered with the mesenchymal stem cell-derived exosomes was statistically compared with the group administered with the IVH induction group and fibroblast-derived exosomes. MBP staining was shown to be significantly higher. Through this, it was confirmed that mesenchymal stem cell-derived exosomes have an effect of improving myelination, which is reduced by intraventricular hemorrhage.
- the IVH induction group was increased in the concentration of inflammatory cytokines compared to the normal group, the mesenchymal stem cell-derived exosomes group was administered to the IVH-induced group and fibroblast-derived exosomes group In comparison, the concentration of inflammatory cytokines was significantly reduced. Through this, it was confirmed that mesenchymal stem cell-derived exosomes have an effect of reducing the inflammatory response increased by intraventricular hemorrhage.
- the stem cell-derived exosomes according to the present invention is excellent in inhibiting the expansion of the ventricles, reducing brain hydrocephalus, neuronal cell death and inflammatory cells in the intraventricular hemorrhage (IVH) animal model It has a neuronal protective effect, it was confirmed that it can be useful for the treatment of cerebrovascular diseases including intraventricular hemorrhage.
- Stem cell-derived exosomes according to the present invention has excellent neuronal cell protective effects such as inhibiting the expansion of the ventricles, reducing brain hydrocephalus, inhibiting neuronal cell death and inflammatory cells in the intraventricular hemorrhage (IVH) animal model Therefore, it can be usefully used for the treatment of cerebrovascular diseases including intraventricular hemorrhage.
- IVH intraventricular hemorrhage
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Claims (6)
- 줄기세포 유래 엑소좀(exosome)을 유효성분으로 포함하는 뇌혈관 질환 치료용 약학적 조성물.
- 제1항에 있어서, 상기 줄기세포는 배아 줄기세포 또는 성체 줄기세포인 것을 특징으로 하는, 뇌혈관 질환 치료용 약학적 조성물.
- 제2항에 있어서, 상기 성체 줄기세포는 중간엽 줄기세포, 인간 조직 유래 중간엽 기질세포, 인간 조직 유래 중간엽 줄기세포, 다분화능 줄기세포 및 양막 상피세포로 구성된 군에서 선택되는 1종 이상의 성체 줄기세포인 것을 특징으로 하는, 뇌혈관 질환 치료용 약학적 조성물.
- 제3항에 있어서, 상기 중간엽 줄기세포는 제대, 제대혈, 골수, 지방, 근육, 신경, 피부, 양막 및 태반으로 구성된 군에서 선택되는 1종 이상의 조직으로부터 유래된 중간엽 줄기세포인 것을 특징으로 하는, 뇌혈관 질환 치료용 약학적 조성물.
- 제1항에 있어서, 상기 뇌혈관 질환은 뇌졸중, 뇌경색, 뇌출혈, 뇌동맥경화증, 지주막하출혈, 뇌혈전증 및 뇌색전증으로 이루어진 군으로부터 선택되는 1종 이상인 것을 특징으로 하는, 뇌혈관 질환 치료용 약학적 조성물.
- 제5항에 있어서, 상기 뇌혈관 질환은 뇌실 내 출혈(IVH, intraventricular hemorrhage)인 것을 특징으로 하는, 뇌혈관 질환 치료용 약학적 조성물.
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JP2016539062A JP6190536B2 (ja) | 2013-12-12 | 2014-12-12 | 幹細胞由来のエキソソームを有効成分に含む脳室内出血治療用薬学的組成物 |
EP14868825.2A EP3081222B1 (en) | 2013-12-12 | 2014-12-12 | Pharmaceutical composition for treating cerebrovascular diseases, containing stem cell-derived exosome as active ingredient |
US15/103,663 US10167448B2 (en) | 2013-12-12 | 2014-12-12 | Pharmaceutical composition for treating cerebrovascular diseases, containing stem cell-derived exosome as active ingredient |
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WO2017188614A1 (ko) * | 2016-04-27 | 2017-11-02 | 사회복지법인 삼성생명공익재단 | 미숙아 뇌실내 출혈 치료를 위한 고효능 줄기세포 선별법 |
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EP3081222A4 (en) | 2017-08-09 |
EP3081222A1 (en) | 2016-10-19 |
KR101662405B1 (ko) | 2016-10-05 |
WO2015088288A1 (ko) | 2015-06-18 |
EP3081222B1 (en) | 2020-04-15 |
JP6343671B2 (ja) | 2018-06-13 |
KR20150069554A (ko) | 2015-06-23 |
US9982233B2 (en) | 2018-05-29 |
KR20150069555A (ko) | 2015-06-23 |
EP3081223A1 (en) | 2016-10-19 |
KR101643825B1 (ko) | 2016-07-29 |
US10167448B2 (en) | 2019-01-01 |
KR20160078946A (ko) | 2016-07-05 |
EP3081223A4 (en) | 2017-05-17 |
KR101661448B1 (ko) | 2016-09-30 |
JP6190536B2 (ja) | 2017-08-30 |
US20160333317A1 (en) | 2016-11-17 |
JP2016540014A (ja) | 2016-12-22 |
EP3081223B1 (en) | 2020-02-19 |
JP2017500033A (ja) | 2017-01-05 |
US20160310534A1 (en) | 2016-10-27 |
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