WO2014178552A1 - 심장내막 유래의 성체줄기세포 및 이의 제조방법 - Google Patents
심장내막 유래의 성체줄기세포 및 이의 제조방법 Download PDFInfo
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- WO2014178552A1 WO2014178552A1 PCT/KR2014/003313 KR2014003313W WO2014178552A1 WO 2014178552 A1 WO2014178552 A1 WO 2014178552A1 KR 2014003313 W KR2014003313 W KR 2014003313W WO 2014178552 A1 WO2014178552 A1 WO 2014178552A1
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- C12N5/00—Undifferentiated human, animal or plant cells, e.g. cell lines; Tissues; Cultivation or maintenance thereof; Culture media therefor
- C12N5/06—Animal cells or tissues; Human cells or tissues
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- C12N5/00—Undifferentiated human, animal or plant cells, e.g. cell lines; Tissues; Cultivation or maintenance thereof; Culture media therefor
- C12N5/06—Animal cells or tissues; Human cells or tissues
- C12N5/0602—Vertebrate cells
- C12N5/069—Vascular Endothelial cells
- C12N5/0692—Stem cells; Progenitor cells; Precursor cells
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- A61K35/00—Medicinal preparations containing materials or reaction products thereof with undetermined constitution
- A61K35/12—Materials from mammals; Compositions comprising non-specified tissues or cells; Compositions comprising non-embryonic stem cells; Genetically modified cells
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- A61K35/00—Medicinal preparations containing materials or reaction products thereof with undetermined constitution
- A61K35/12—Materials from mammals; Compositions comprising non-specified tissues or cells; Compositions comprising non-embryonic stem cells; Genetically modified cells
- A61K35/34—Muscles; Smooth muscle cells; Heart; Cardiac stem cells; Myoblasts; Myocytes; Cardiomyocytes
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/10—Drugs 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
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- C12N5/00—Undifferentiated human, animal or plant cells, e.g. cell lines; Tissues; Cultivation or maintenance thereof; Culture media therefor
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- C12N5/00—Undifferentiated human, animal or plant cells, e.g. cell lines; Tissues; Cultivation or maintenance thereof; Culture media therefor
- C12N5/06—Animal cells or tissues; Human cells or tissues
- C12N5/0602—Vertebrate cells
- C12N5/0652—Cells of skeletal and connective tissues; Mesenchyme
- C12N5/0662—Stem cells
- C12N5/0668—Mesenchymal stem cells from other natural sources
Definitions
- the present invention relates to adult stem cells derived from endocardium obtained by culturing peripheral blood mononuclear cells (PBMC) isolated from peripheral blood, and cell therapy for the treatment of vascular diseases containing the same as an active ingredient. .
- PBMC peripheral blood mononuclear cells
- stem cell therapy will replace adult stem cell therapy, embryonic stem cell therapy, and embryonic stem cell. There is a treatment for de-differentiated stem cells in the spotlight.
- Adult stem cells are cells found in the developed organs and organs of newborns or adults and are defined as cells that have the ability of self-renewal and can be differentiated into various cells that make up biological tissues. When a tissue or cell is damaged due to a wound or accident, it is differentiated into cells such as muscles, bones, fats, and nerves, and is a cell capable of repairing the damaged area.
- Adult stem cells include hematopoietic stem cells, mesenchymal stem cells, and tissue-specific progenitor cells with limited differentiation potential involved in other tissue regeneration.
- the most non-invasive method of obtaining cells is hematopoietic stem cells or mesenchymal stem cells through bone marrow extraction, and other cells have been separated and used through the process of obtaining invasive tissue through biopsy.
- Bone marrow extraction even the most noninvasive method, requires anesthesia and is a more noninvasive method for isolating patient-specific stem cells because it causes pain and requires cell acquisition using peripheral blood. Peripheral blood alone, however, is too small to separate from adult hematopoietic stem cells or mesenchymal stem cells, and the separation method is not economical. There is a need for alternative adult stem cells or cell acquisition methods that can be more practical.
- adult stem cells related to regeneration of the heart among tissue-specific progenitor cells that can be obtained through biopsy have been identified in the epicardium and myocardium.
- Stem cells obtained from the myocardium have the ability to produce myocardium and coronary vessels and have markers such as c-kit, Sca-1, side population, and Islet-1.
- Stem cells obtained from the epicardium have similar characteristics to mesenchymal stem cells and have the ability to differentiate into myocardium and smooth muscle cells.
- no adult stem cells have been identified so far, but are thought to be composed of the same cells as vascular endothelial cells.
- These endocardial cells play a role in heart valves and intracardiac angiogenesis in the developmental phase of the heart and have markers of NFATc1, but have been known to gradually decrease the expression of NFATc1 markers as adults.
- the present inventors have separated the endothelium-derived multipotent adult stem cells from human peripheral blood, and have made diligent efforts to satisfy two requirements of providing alternative adult stem cells and noninvasive cell acquisition methods. It was completed.
- the peripheral blood mononuclear cells (PBMCs) isolated from peripheral blood are suspended and seeded in EGM-2MV (Microvascular Endothelial Cell Growth Media-2) medium, and then T-cells are exchanged daily for 5 to 8 days. It provides adult stem cells derived from the endocardium obtained by culturing to remove the.
- EGM-2MV Microvascular Endothelial Cell Growth Media-2
- the present invention comprises the steps of isolating peripheral blood mononuclear cells (PBMC) from peripheral blood and suspending in EGM-2MV medium; And it provides a method for producing endocardial-derived adult stem cells comprising the step of culturing by removing the T cells daily medium exchange for 5 to 8 days after the seeding.
- PBMC peripheral blood mononuclear cells
- the adult stem cells (a) shows positive immunological properties for NFATc1, MixL1 and CD31, negative immunological properties for WNT5A and CD3, (b) attached and grown It is characterized by showing the morphological characteristics of the spindle (spindle-shape).
- the present invention provides the cell therapy agent for treating vascular diseases, containing the adult stem cells as an active ingredient.
- the present invention provides a method for preventing or treating vascular disease, comprising administering a pharmaceutically effective amount of the adult stem cells to a subject.
- the present invention provides a method for using the adult stem cells in the prevention or treatment of vascular diseases.
- the vascular disease is characterized in that myocardial infarction or lower limb ischemia.
- Stem cells of the present invention are not conventional epicardial and myocardial origin, but have been endometrial origin, have multipotent and can be isolated and cultured with only a small amount of peripheral blood, and inhibit adult stem cells simply by frequent medium exchange at the culture stage. It can be easily manufactured by removing the cells and environment.
- the stem cells of the present invention has a high proliferative capacity and can secure enough cell numbers (1 X 10 7 cells) to be used for storage and cell therapy without genetic variation within a month after culture.
- the stem cells of the present invention can induce angiogenesis when injected into tissues with the proliferative and differentiating powers of the cells themselves, and thus can be used for the treatment of a condition in which ischemia is induced. Since the gene is introduced, it can be differentiated into other types of cells or used for treatment.
- the stem cells of the present invention can contribute greatly to the study and treatment of the mechanism of cardiovascular diseases such as myocardial infarction because its origin is the inner lining of the heart and has a strong angiogenic ability.
- FIG. 1 shows the cultivation method of CiMS stem cells (Fig. 1a), the cell type according to the appearance of CiMS stem cells (Fig. 1b), and the surface markers of CiMS stem cells (Fig. 1c).
- Figure 2a shows the effect of colony staining on CiMS stem cell culture inhibition by T lymphocytes
- Figure 2b shows the ratio of CD3 + cells in suspended cells in the initial CiMS culture.
- FIG. 3A shows the results of CiMS genotyping in patients undergoing bone marrow transplantation, liver transplantation and kidney transplantation.
- FIG. 3B shows results of CiMS genotyping obtained from blood of heart donors and recipients.
- Figure 4a shows the position of NFATc1 in CiMS using immunostaining
- Figure 4b is the RT-PCR results confirming the CiMS specific marker.
- FIG. 5 shows staining results of NFATc1 and CD31 markers in heart tissue.
- FIG. 6 shows the results of culturing CiMS using NFATc1 / CD31 staining, a CiMS specific marker in peripheral blood mononuclear cells.
- Figure 7a shows the comparison of the appearance of CiMS in healthy volunteers and heart transplant patients
- Figure 7b shows the number of (NFATc1 + / CD31 + / CD3-) expressing cells that are CiMS markers in healthy volunteers and heart transplant patients to be.
- FIG. 8A shows the effect of CiMS injection in a mouse myocardial infarction model
- FIG. 8B shows the distribution of GFP-CiMS in myocardial infarction heart tissue
- FIG. 8C shows the effect of CiMS injection in a mouse lower limb ischemia model.
- the present invention relates to pluripotent stem cells derived from endocardium isolated from peripheral blood mononuclear cells (PBMC) in peripheral blood.
- PBMC peripheral blood mononuclear cells
- the 'stem cell' is a cell that is the basis of a cell or tissue constituting an individual, and its characteristics can be repeatedly divided and self-renewal, and differentiated into cells having a specific function according to the environment. It means a cell having a multipotent ability. It occurs in all tissues during the development of the fetus, and is found in some tissues, such as bone marrow and epithelial tissue, which are actively replaced even in adulthood. Stem cells are totipotent stem cells that form when the fertilized egg begins its first division, depending on the type of differentiateable cells, and pluripotent stem cells on the endoplasmic linings from which these cells continue to divide. And multipotent stem cells in mature tissues and organs.
- pluripotent stem cells are cells that can only differentiate into cells specific to the tissues and organs in which they are contained, and the growth and development of each tissue and organ of the prenatal, neonatal and adult stages as well as the adult tissues. It is involved in maintaining homeostasis and inducing regeneration in tissue damage. These tissue specific pluripotent cells are collectively referred to as adult stem cells.
- peripheral blood refers to blood drifting through the body in mammals including humans, and can be variously extracted using arteries, veins, and peripheral blood vessels.
- PBMC peripheral blood mononuclear cells
- B cells B cells
- T cells Macrophage
- Dendritic cells NK cells (natural killer cells).
- Immune cells basophil, eosinophil, granulocytes such as neutrophil, and the like.
- the PBMC can be separated by a conventional manufacturing method, for example, specific gravity centrifugal method using Ficoll-Paque (Blood, 1998, 92: 2989-93, etc.).
- a method for producing endocardial stem cells is obtained by separating peripheral blood mononuclear cells (PBMC) from peripheral blood and then EGM-2MV (Microvascular Endothelial Cell Growth Media-2) (Lonza; Basel, Switzerland). After suspending and seeding (), it is preferable to change the medium every day for the first 5 days so that colonies composed of T cells are not formed. As such, when the medium is changed daily, several cells are observed between about 5 and 8 days, and the cells proliferate to the amount of cells that can be passaged and stored within two weeks, which are called "Circulating Multipotent Stem Cells". Named it.
- CiMS expressed markers of mesenchymal stem cells such as SH2, SH3, CD13, CD29, CD44, HLA-ABC and endothelial surface markers of CD31, and expressed markers such as CD14, CD34, CD45, HLA-DR. They did not have bone marrow-derived blood cells.
- CiMS exhibits morphological characteristics of adhesion growth and spindle-shape, where 'attachment' means growth by attaching to a culture flask, plastic, or the like, and is not limited thereto.
- the present invention can produce stem cells derived from endocardium by a simple culture method of removing T cells (lymphocytes) that inhibit the appearance of specific adult stem cells in peripheral blood mononuclear cells (PBMC).
- T cells lymphocytes
- PBMC peripheral blood mononuclear cells
- CiMS In order to identify the origin of CiMS in the present invention, blood cultures of bone marrow transplant patients, liver transplant patients, kidney transplant patients and heart transplant patients were confirmed by STR tests. As a result, all of the acquired CiMS had genotypes consistent with the recipients except for those with cardiac transplantation, and only CiMS cultured in the patients with cardiac transplantation had genes matching the donor.
- CiMS expresses NFATc1, a cardiomyocardial cell marker, stronger than other endothelial cells, mesenchymal stem cells, skin fibroblasts, and blood cells, and expresses MixL1, a marker of primitive streak and mesoderm.
- Wnt5a which is a marker related to the proliferation and migration of endothelial cells, was not expressed.
- NFATc1 was stained in the cytoplasm. Therefore, the present inventors isolated the peripheral blood mononuclear cells from the blood, and made a condition that the anti-NFATc1 antibody can penetrate into the cell membrane by using the SLO, and directly selected CiMS by culturing the NFATc1 / CD31 double positive group in the CD3 negative group The method of culturing was established. As a result of this method, ciMS isolated from blood was more present in cardiac transplant patients whose CD3 cell function was significantly lowered due to immunosuppressant administration than normal people, and its appearance time was shortened in culture.
- CiMS of the present invention was injected with CiMS, which had a multipotency but was injected with GFP into the heart of the myocardial infarction-induced heart and the lower limb muscle of the ischemic-induced mouse, after 14 days compared to the control group.
- the left ventricular contraction capacity and blood circulation were improved, and green fluorescent cells differentiated into endothelial cells and vascular smooth muscle cells to form blood vessels in the mouse heart.
- the main function of CiMS was to repair damaged blood vessels.
- PBMCs Peripheral blood mononuclear cells
- CiMS cells were confirmed between 5 and 8 days, and proliferated while forming colonies within 2 weeks after the appearance of CiMS cells.
- the colonies were sub-cultured with 0.05% trypsin / EDTA, suspended in FBS stock medium containing 10% DMSO and placed in an isopropanol freezing container for 24 hours at -70 ° C and then -190 ° C. Stored at.
- CiMS expressed markers of mesenchymal stem cells of SH2, SH3, CD13, CD29, CD44, HLA-ABC and endothelial cell surface markers of CD31, and expressed bone marrow-derived blood cells.
- the markers CD14, CD34, CD45, HLA-DR were not expressed.
- the pan T MACS Magnetic-activated cell sorting
- T lymphocytes were stained with CD3 antibody and flow cytometry was performed. Through this, the percentage of T lymphocytes was confirmed in the floating cells initially removed in CiMS culture, and the results are shown in FIG. 2B.
- CiMS did not originate in bone marrow, liver, or kidney.
- CiMS derived neurotrophic factor
- CiMS In order to determine the geographic location of CiMS within the heart, it is necessary to identify CiMS specific markers. As a result of immunostaining with CiMS, it was confirmed that NFATc1 exists in the cytoplasm of CiMS, as shown in FIG. 4A. In other words, through screening of several genes, CiMS expresses NFATc1, a cardiomyocardial cell marker that specifically expresses myocardial endothelial cells in comparison with other endothelial cells, mesenchymal stem cells, dermal fibroblasts, blood cells, and embryonic stem cells. Strong expression was observed. Therefore, NFATc1 was designated as a cell specific marker of CiMS.
- CiMS expresses MixL1, a marker of primitive streak and mesoderm, and has properties of progenitor cells, and WNT5A, a marker related to proliferation and migration of endothelial cells, Since it is not expressed, it can be used as a negative marker.
- Cardiac tissue was obtained from patients undergoing cardiac transplantation and immunohistostaining was performed using the CiMS-specific markers as follows. Cardiac tissue was fixed with paraformaldehyde (PFA, Paraformaldehyde) to make a paraffin block, deparaffinization process, and then immersed in DAKO retrieval solution was used for dyeing after retrieval in the microwave.
- PFA paraformaldehyde
- Antibodies against NFATc1 were conjugated with digoxigenin at 1: 100 using Solulink Chromalink digoxigenin one-shot antibody labeling kit for amplification and specificity of the signal. Antibodies against CD31 were also conjugated with biotin. Was used as 1: 100. As a result of immunostaining, as shown in FIG.
- CiMS colonies were found only in the NFATc1 + / CD31 + / CD3- group.
- CiMS was cultured from healthy volunteers and HTPL patients as a control group. As a result, as shown in FIG. 7A, CiMS appeared on average 2 days earlier in cardiac transplant patients (42 patients) whose T lymphocyte function was significantly lowered due to immunosuppressive administration than healthy volunteers (58 patients). Can know.
- CiMS was cultured from healthy volunteers and cardiac transplant patients, and flow cytometric analysis was performed using a CiMS-specific marker (NFATc1 + / CD31 + / CD3-). As shown in FIG. 7B, the number of CiMS in heart transplant patients was healthy. It can be seen that the increase is about 4 times compared to.
- CiMS labeled with green fluorescent protein (GFP) was injected into the heart of mice induced myocardial infaction (3 ⁇ 10 6 cells).
- GFP green fluorescent protein
- CiMS left ventricular systolic capacity through measurement of fractional shortening, LVESD of left ventricle, and LVEDD at the end of diastolic period was also observed to be increased in the group injected with CiMS compared to the control group.
- CiMS is mainly differentiated into endothelial cells (EC) and smooth muscle cells (VSMC) to form a blood vessel.
- Stem cells of the present invention are not conventional epicardial and myocardial origin, but have been endometrial origin, have multipotent and can be isolated and cultured with only a small amount of peripheral blood, and inhibit adult stem cells simply by frequent medium exchange at the culture stage. It can be easily manufactured by removing the cells and environment.
- the stem cells of the present invention can greatly contribute to the mechanism research and treatment of cardiovascular diseases such as myocardial infarction.
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Abstract
Description
Claims (8)
- 말초혈액에서 분리된 말초혈액단핵세포(peripheral blood mononuclear cell;PBMC)를 EGM-2MV(Microvascular Endothelial Cell Growth Media-2) 배지에 현탁하여 씨딩(seeding)한 후, 5일 내지 8일동안 매일 배지를 교환하면서 T세포를 제거하여 배양함으로써 수득되는, 심장내막 유래의 성체줄기세포.
- 제 1 항에 있어서, 상기 성체줄기세포는 다음과 같은 특성을 나타내는 것을 특징으로 하는, 심장내막 유래의 성체줄기세포:(a) NFATc1, MixL1 및 CD31에 대하여 양성의 면역학적 특성을 나타내고, WNT5A 및 CD3에 대하여 음성의 면역학적 특성을 나타냄; 및(b) 부착되어 성장하며, 선형태(spindle-shape)의 형태학적 특성을 나타냄.
- 말초혈액에서 말초혈액단핵세포(peripheral blood mononuclear cell;PBMC)를 분리한 후 EGM-2MV(Microvascular Endothelial Cell Growth Media-2) 배지에 현탁하여 씨딩(seeding)하는 단계; 및상기 씨딩 후 5일 내지 8일동안 매일 배지를 교환하면서 T세포를 제거하여 배양하는 단계를 포함하는, 심장내막 유래의 성체줄기세포의 제조방법.
- 제 3 항에 있어서, 상기 성체줄기세포는 다음과 같은 특성을 나타내는 것을 특징으로 하는, 심장내막 유래의 성체줄기세포의 제조방법:(a) NFATc1, MixL1 및 CD31에 대하여 양성의 면역학적 특성을 나타내고, WNT5A 및 CD3에 대하여 음성의 면역학적 특성을 나타냄; 및(b) 부착되어 성장하며, 선형태(spindle-shape)의 형태학적 특성을 나타냄.
- 제1항 또는 제2항의 성체줄기세포를 유효성분으로 함유하는, 혈관질환 치료용 세포치료제.
- 제5항에 있어서, 상기 혈관질환은 심근경색 또는 하지허혈인 것을 특징으로 하는 세포치료제.
- 제1항 또는 제2항의 성체줄기세포를 개체에 투여하는 단계를 포함하는, 혈관질환의 예방 또는 치료방법.
- 제1항 또는 제2항의 성체줄기세포의 혈관질환 예방 또는 치료 용도.
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US14/888,415 US20160102294A1 (en) | 2013-04-30 | 2014-04-16 | Endocardium-derived adult stem cells and method for producing same |
JP2016511669A JP6147419B2 (ja) | 2013-04-30 | 2014-04-16 | 心臓内膜由来の成体幹細胞及びこれの製造方法 |
US17/078,939 US20210054343A1 (en) | 2013-04-30 | 2020-10-23 | Endocardium-derived adult stem cells and method for producing same |
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US17/078,939 Division US20210054343A1 (en) | 2013-04-30 | 2020-10-23 | Endocardium-derived adult stem cells and method for producing same |
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JP2018531597A (ja) * | 2015-09-24 | 2018-11-01 | ソウル ナショナル ユニバーシティ ホスピタル | 心臓内膜由来成体幹細胞から製造された誘導多能性幹細胞の心血管系細胞への分化方法およびその用途 |
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KR101781173B1 (ko) | 2014-10-17 | 2017-09-22 | 경희대학교 산학협력단 | 면역 억제능이 증진된 중간엽 줄기 세포 및 이의 제조방법 |
KR102056421B1 (ko) * | 2018-04-13 | 2019-12-16 | 서울대학교병원 | 세포막 투과성 방법을 이용한 살아있는 세포의 분리 및 배양 방법 |
KR102367101B1 (ko) | 2020-03-09 | 2022-02-23 | 부산대학교 산학협력단 | 심장 보호 효과를 갖는 신규 화합물 및 이를 이용한 줄기세포 배양용 배지조성물 |
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US20100129440A1 (en) * | 2006-10-18 | 2010-05-27 | Yong Zhao | Embryonic-like stem cells derived from adult human peripheral blood and methods of use |
KR20070054140A (ko) * | 2006-10-19 | 2007-05-28 | 재단법인서울대학교산학협력재단 | 제대혈 유래 다분화능 줄기세포 및 이를 함유하는 허혈성괴사질환 치료용 세포치료제 |
KR20110045760A (ko) * | 2009-10-27 | 2011-05-04 | 서울대학교산학협력단 | 인간 만능줄기세포로부터 중배엽 줄기세포를 생산하는 방법 및 이에 의해 생성된 중배엽 줄기세포 |
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JP2018531597A (ja) * | 2015-09-24 | 2018-11-01 | ソウル ナショナル ユニバーシティ ホスピタル | 心臓内膜由来成体幹細胞から製造された誘導多能性幹細胞の心血管系細胞への分化方法およびその用途 |
US11236304B2 (en) | 2015-09-24 | 2022-02-01 | Seoul National University Hospital | Method for differentiating induced pluripotent stem cells, which are prepared from endocardium-derived adult stem cells, into cardiovascular cells, and use thereof |
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US20160102294A1 (en) | 2016-04-14 |
KR101358777B1 (ko) | 2014-02-10 |
US20210054343A1 (en) | 2021-02-25 |
JP2016523514A (ja) | 2016-08-12 |
JP6147419B2 (ja) | 2017-06-14 |
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