JP2018515444A - 水疱性表皮剥離症緩和または改善用間葉系幹細胞−ハイドロゲル−生分解性または間葉系幹細胞−ハイドロゲル−非分解性支持体組成物 - Google Patents
水疱性表皮剥離症緩和または改善用間葉系幹細胞−ハイドロゲル−生分解性または間葉系幹細胞−ハイドロゲル−非分解性支持体組成物 Download PDFInfo
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Abstract
Description
本発明は、(a)間葉系幹細胞を、ハイドロゲルを利用して、(i)生分解性支持体及び非分解性支持体でなされたグループから選択される1種以上の支持体;
(a1)間葉系幹細胞をFBS(Fetal Bovine Serum)、成長因子であるbFGF(Basic Fibroblast Growth Factor)またはEGF(Epidermal Growth Factor)を含む増殖培地で2継代以上培養する段階;
(a2)培養した間葉系幹細胞を、ハイドロゲルを利用して生分解性または非分解性支持体、またはこれらの組合体に付着する段階;
(b)前記段階(a2)の間葉系幹細胞-ハイドロゲル-生分解性または非分解性支持体をFBS、成長因子であるbFGFまたはEGFを含む培地で略5日間培養してシートを製造する段階;
(c)前記段階(b)の培養時物理的刺激、低酸素刺激、マイトジェン刺激、炎症因子刺激を追加的に遂行して細胞を活性化させる段階;
(d)前記段階(b)または段階(c)の間葉系幹細胞-ハイドロゲル-生分解性または非分解性支持体シートにFBSと成長因子であるbFGFまたはEGFが除去された培地で洗滌する段階;
(e)(b)の間葉系幹細胞-ハイドロゲル-生分解性または非分解性支持体シートを10%DMSO及び5%人間血清アルブミンで構成された凍結保管剤に入れて冷凍保管する段階;
(f)凍結保管された間葉系幹細胞-ハイドロゲル-生分解性または非分解性支持体シートを解凍して生理食塩水で洗滌して凍結保管剤をとり除く段階;及び
(g)水疱性表皮剥離症患者の患部でドレッシングが必要な患部の大きさによって切った後適用対象部位に付着する段階を含んで、
(h)前記シートを他のドレッシングで覆ってやる段階を追加で含むことができる。
段階a1)では、人間脂肪組職から分離された間葉系幹細胞を使用することができるし、この時人間脂肪組職から間葉系幹細胞を分離して2継代以上培養する方法は、従来技術(韓国登録特許1,328,604)によるものとして増殖培地を使って細胞を培養することで、多量の間葉系幹細胞を短時間内に効果的に得ることができる。従来技術によって2継代以上培養した人間脂肪由来の間葉系幹細胞はプラスチック培養容器に付着して繊維芽細胞形態を維持し、CD10、CD13、CD29、CD44、CD59、CD71、CD90、CD105及びOct4に対して陽性であり、CD34、CD45、CD104、CD106及びStro-1には陰性を示す。また、幹細胞として体外で脂肪細胞、骨細胞、軟骨細胞、筋肉細胞、神経細胞に分化することができる能力を有する。また、VEGF、HGF、TGF-β1、NGF、IGFのような多様な成長因子を分泌し、免疫調節能力を保有していて多様な疾患治療に適用する技術が開発されている。
脂肪組織は普通脂肪吸入術で得ることができるが、これに限定されない。脂肪吸入によって得られた脂肪組織から次のように脂肪由来の間葉系幹細胞を分離した:血液をとり除くために脂肪組織を洗滌した後脂肪組織と同じ嵩のコラゲナーゼ溶液を入れて37℃水浴で反応させた。
凍結乾燥されたトロンビンは、塩化カルシウム溶液1mLを添加して400〜600I.U.になるようにした。または、凍結されたトロンビンを解凍して同一濃度になるように調節した後使用した。凍結乾燥したフィブリノーゲンにアプロチニン溶液1mLを添加するかまたは凍結されたフィブリノーゲンを解凍して原液で準備した後1:5、1:10、1:20、1:40になるように段階別希釈した。前記実施例1で2継代以上培養した細胞を収集して懸濁した後トロンビンを40〜50:1の割合(v/v)で交ぜた後段階別に希釈したフィブリノーゲンと1:1混合してフィブリンゲルが形成されるようにした。ゲルが完全に固ければ10%FBS、1ng/mL bFGFが含まれた培養培地を添加した後37℃、5%CO2インキュベーターで5日間培養した。培養2日目と5日目細胞-フィブリンゲル混合物を取って薄く切片を作った後10μg/mLアクリジンオレンジ/エチジウムブロマイド(AO/EtBr)で染色して蛍光顕微鏡を利用して細胞形態と生存率を測定した。また、培養5日目WST-1を添加して細胞増殖程度を測定した。
前記実施例1で2継代以上培養した間葉系幹細胞を収集して増殖培地で懸濁した。前記実施例2の結果に基礎してトロンビンを最終8〜15I.U.になるように細胞懸濁液に添加した。
前記実施例3で製造した人間脂肪由来の間葉系幹細胞-ハイドロゲル-生分解性または非分解性支持体シートを洗滌して細胞培養液をとり除いた後凍結保管剤(10%DMSO及び人間血清アルブミン溶液)が入っているクライオバックに入れて-80℃で凍結保管した。略1ヶ月、3ヶ月、6ヶ月、9ヶ月、12ヶ月後各時期別に前記クライオバックを取り出して37℃恒温水槽に浸した後振って凍結保管剤を溶かして注いで捨てた。生理食塩水を添加した後上-下で振ってくれて注いで捨てた。凍結保管剤を完全にとり除いた後AO/EtBrで染色して生存率を測定した。
実施例3の人間脂肪由来の間葉系幹細胞-ハイドロゲル-生分解性または非分解性支持体シートまたは実施例4の凍結保管されたシートを解凍してPBSで洗滌した後0.8x0.8cmで切った後24-wellプレートに2枚ずつ入れてDMEM1mLを添加した。37℃、5%CO2インキュベーターで72時間培養した後上層液を収集した後、間葉系幹細胞で分泌する代表的な成長因子であるVEGF、HGFの量を、ELISA法を利用して測定した。その結果、図4aで見せてくれるように、前記シートはHGF及びVEGFを分泌した。
実施例3の人間脂肪由来の間葉系幹細胞-ハイドロゲル-生分解性または非分解性支持体シートまたは実施例4の凍結保管されたシートを解凍して適当な大きさで切った後24-wellプレートに1枚ずつ入れた。そして、組織適合性抗原(Human Leukocyte Antigen:HLA)が他の供与者から得た末梢血液単核細胞(peripheral Blood Mononuclear Cell:PBMC)5x105個を24-wellプレートに添加した。陽性対照群としては末梢血液単核細胞にマイトジェン(mitogen)であるPHA(phyto-hemagglutinin)を添加して末梢血液単核細胞の免疫反応を誘発した。反応スタート後3日目上等液を収集して分泌されたTNF-αの量を、ELISA方法を利用して測定した。
前記実施例1で修得した細胞からタンパク質を抽出して水疱性表皮剥離症の原因タンパク質であるコラーゲンタイプVIIとラミニン5の発現量をWestern blot技法で測定した後繊維芽細胞での発現量と比べた。また、本発明で製造したシートの原料になる人間脂肪由来の間葉系幹細胞で発現量と分泌量をELISA技法で測定した。
前記実施例3または4で製造した脂肪由来の間葉系幹細胞-ハイドロゲル-生分解性または非分解性支持体をFBSが添加されないDMEMで3日間培養後培養液を収集してELISA技法でECM分泌能及び発現率を測定した。
図8は、既存の培養法によって断層培養した脂肪由来の間葉系幹細胞とシート内脂肪由来の間葉系幹細胞の細胞外基質タンパク質の分泌能を見せてくれる結果であり、本発明によって製造した脂肪由来の間葉系幹細胞-ハイドロゲル-生分解性または非分解性支持体は既存の断層培養した細胞と比べてコラーゲンタイプVIIを6.8倍さらにたくさん分泌した。
前記実施例1で修得した細胞を12-wellプレートに5,500/cm2で添加して24時間後TGF-β2とTNF-αを添加して48時間の間に追加培養した。細胞を収集した後RNAを抽出して水疱性表皮剥離症の原因遺伝子であるコラーゲンタイプVIIの発現量をRT−PCT技法で測定後に発現変化を比べた。
前記実施例4で製造した脂肪由来の間葉系幹細胞-ハイドロゲル-生分解性または非分解性支持体の治療効果を評価するために水疱性表皮剥離症患者を対象で臨床試験を実施した。
Claims (20)
- (a)間葉系幹細胞を、ハイドロゲルを利用して、(i)生分解性支持体及び非分解性支持体でなされたグループから選択される1種以上の支持体;または、(ii)2種以上の非分解性支持体;または、(iii)1種以上の生分解性支持体及び1種以上の非分解性支持体の組合体に付着させ、間葉系幹細胞-ハイドロゲル-支持体を修得する段階;及び(b)段階(a)で修得された間葉系幹細胞-ハイドロゲル-支持体を増殖培地で培養する段階を含んで、ここで増殖培地はFBS(fetal bovine serum)、及びbFGF(basic fibroblast growth factor)、EGF(epidermal growth factor)、TGF-beta1(transforming growth factor beta-1)、PDGF(platelet-derived growth factor)、VEGF(Vascular endothelial growth factor)、HGF(hepatocyte growth factor)及びIFG-1(insulin-like growth factor)でなされたグループから選択される1種以上の因子を含む培地であり、ハイドロゲルはフィブリン糊、ヒアルロン酸、ゼラチン、コラーゲン、アルギン酸、セルロース及びペクチンでなされたグループから選択される何れか一つ以上であり、生分解性支持体はPGA(poly-gamma-glutamic acid)、PLA(poly lactic acid)、バイクリルメッシュ、人の羊膜、牛の羊膜、豚コラーゲン、キチン、キトサン、フィブロネクチン及びデキストランでなされたグループから選択されて、非分解性支持体は滅菌された不織布繊維、PET(polyethylene terephthalate)フィルム、PE(polyethylene)フィルム、PP(polypropylene)フィルム、ポリウレタンフィルム、ネット型ポリウレタンフィルム及び断面にソフトシリコンコーティングされたポリウレタン(Polyurethane)でなされたグループから選択される、水疱性表皮剥離症緩和または改善用シートの製造方法。
- シートはコラーゲンタイプVIIまたはラミニン-5を含むことを特徴とする、請求項1に記載の水疱性表皮剥離症緩和または改善用シートの製造方法。
- フィブリン糊は0.5乃至45mg/mL濃度のフィブリノーゲンを含むことを特徴とする、水疱性表皮剥離症緩和または改善用シートの製造方法。
- フィブリン糊は0.5乃至10mg/mL濃度のフィブリノーゲンを含むことを特徴とする、請求項1に記載の水疱性表皮剥離症緩和または改善用シートの製造方法。
- 前記段階(b)で、物理的刺激、低酸素刺激、マイトジェン刺激及び炎症因子刺激でなされたグループから選択される一つ以上の刺激を追加的に遂行して細胞を活性化させる段階(c)を追加で含むことを特徴とする、請求項1に記載の水疱性表皮剥離症緩和または改善用シートの製造方法。
- 前記段階(b)で、間葉系幹細胞-ハイドロゲル-支持体を1乃至20w/v%DMSO及び1乃至80w/v%人間血清アルブミンを含む凍結保管剤に入れて冷凍保管する段階(d)を追加で含んで、ここで冷凍保管後解凍した時に間葉系幹細胞の生存率が90%以上である、請求項1に記載の水疱性表皮剥離症緩和または改善用シートの製造方法。
- 12ヶ月以上冷凍保管後解凍した時に間葉系幹細胞の生存率が90%以上である、請求項1に記載の水疱性表皮剥離症緩和または改善用シートの製造方法。
- 段階(a)で、ハイドロゲル支持体1cm2当たり1,000乃至10,000個の間葉系幹細胞を塗布する、請求項1に記載の水疱性表皮剥離症緩和または改善用シートの製造方法。
- 段階(b)で、ハイドロゲル支持体1cm2当たり20,000乃至400,000個の間葉系幹細胞になるように増殖させる、請求項1に記載の水疱性表皮剥離症緩和または改善用シートの製造方法。
- 前記水疱性表皮剥離症は、水疱性表皮剥離症、水疱性棘細胞分離、水疱性棘細胞症、後天性水疱性表皮剥離症、遺伝性水疱性表皮剥離症、致死性水疱性表皮剥離症、遅延性遺伝性表皮剥離症、増殖性水疱性表皮剥離症、角質溶解症、局限性水疱性表皮剥離症、非傷跡性水疱性表皮剥離症、多発形成異常性水疱性表皮剥離症、傷跡性表皮剥離症、単純表皮溶解症、ウェーバー・コケイン病、ダウリング・メアラシンドローム(Dowling-Meara Syndrome)、ゴ−ルドスェイド疾患(Goldscheider's disease)、アロポー-ジーメンス疾患(Hallopeau-Siemens disease)、ハインリックスバウアーシンドローム(Heinrichsbauer syndrome)、ヘルリッツシンドローム(Herlitz syndrome)及びケブネル疾患(Kobner's disease)でなされたグループから選択されることを特徴とする、請求項1に記載の水疱性表皮剥離症緩和または改善用シートの製造方法。
- 間葉系幹細胞は脂肪、骨髄、肌、血管、筋肉、脳、血液、胎盤、歯髄及び臍帯血でなされたグループから選択される何れか一つから分離されるものである、請求項1乃至請求項10のうちで何れか一つに記載の水疱性表皮剥離症緩和または改善用シートの製造方法。
- 間葉系幹細胞及びハイドロゲルを含んで;生分解性支持体及び非分解性支持体でなされたグループから選択される1種以上の支持体;
2種以上の非分解性支持体;または1種以上の生分解性支持体及び非分解性支持体の組合体を含むが、ここで、ハイドロゲルはフィブリン糊、ヒアルロン酸、ゼラチン、コラーゲン、アルギン酸、セルロース及びペクチンでなされたグループから選択されて、生分解性支持体はPGA(poly-gamma-glutamic acid)、PLA(poly lactic acid)、バイクリルメッシュ、人の羊膜、牛の羊膜、豚コラーゲン、キチン、キトサン、フィブロネクチン及びデキストランでなされたグループから選択されて、非分解性支持体は滅菌された不織布繊維、PET(polyethylene terephthalate)フィルム、PE(polyethylene)フィルム、PP(polypropylene)フィルム、ポリウレタンフィルム、ネット型ポリウレタンフィルム及び断面にソフトシリコンコーティングされたポリウレタン(Polyurethane)でなされたグループから選択される、水疱性表皮剥離症緩和または改善用組成物。 - 組成物はコラーゲンタイプVIIまたはラミニン-5を含むことを特徴とする、請求項12に記載の水疱性表皮剥離症緩和または改善用組成物。
- フィブリン糊は0.5乃至45mg/mL濃度のフィブリノーゲンを含むことを特徴とする、請求項12に記載の水疱性表皮剥離症緩和または改善用組成物。
- フィブリン糊は0.5乃至10mg/mL濃度のフィブリノーゲンを含むことを特徴とする、請求項12に記載の水疱性表皮剥離症緩和または改善用組成物。
- ハイドロゲル支持体1cm2当たり20,000乃至400,000個の間葉系幹細胞を含む、請求項12に記載の水疱性表皮剥離症緩和または改善用組成物。
- 前記水疱性表皮剥離症は、水疱性表皮剥離症、水疱性棘細胞分離、水疱性棘細胞症、後天性水疱性表皮剥離症、遺伝性水疱性表皮剥離症、致死性水疱性表皮剥離症、遅延性遺伝性表皮剥離症、増殖性水疱性表皮剥離症、角質溶解症、局限性水疱性表皮剥離症、非傷跡性水疱性表皮剥離症、多発形成異常性水疱性表皮剥離症、傷跡性表皮剥離症、単純表皮溶解症、ウェーバー・コケイン病、ダウリング・メアラシンドローム(Dowling-Meara Syndrome)、ゴ−ルドスェイド疾患(Goldscheider's disease)、アロポー-ジーメンス疾患(Hallopeau-Siemens disease)、ハインリックスバウアーシンドローム(Heinrichsbauer syndrome)、ヘルリッツシンドローム(Herlitz syndrome)及びケブネル疾患(Kobner's disease)でなされたグループから選択されることを特徴とする、請求項12に記載の水疱性表皮剥離症緩和または改善用組成物。
- 12ヶ月以上冷凍保管後解凍した時に間葉系幹細胞の生存率が90%以上である、請求項12に記載の水疱性表皮剥離症緩和または改善用組成物。
- 間葉系幹細胞は脂肪、骨髄、肌、血管、筋肉、脳、血液、胎盤、歯髄及び臍帯血でなされたグループから選択される何れか一つから分離されるものである、請求項12乃至請求項18のうちで何れか一つに記載の水疱性表皮剥離症緩和または改善用組成物。
- 請求項12乃至請求項18のうちで何れか一つによる組成物を有効成分で含む、水疱性表皮剥離症緩和または改善用シート。
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PCT/KR2017/003982 WO2017179918A1 (ko) | 2016-04-12 | 2017-04-12 | 수포성 표피박리증 완화 또는 개선용 중간엽줄기세포-하이드로겔-생분해성 또는 중간엽줄기세포-하이드로겔-비분해성 지지체 조성물 |
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JP2022526302A (ja) * | 2019-03-21 | 2022-05-24 | アンテロジェン シーオー.,エルティーディー. | 間葉系幹細胞-ヒドロゲルを含有する注射用組成物、並びにその製造、凍結及び解凍方法 |
WO2024143453A1 (ja) * | 2022-12-28 | 2024-07-04 | インターステム株式会社 | 細胞組成物 |
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CN109234229B (zh) * | 2018-09-27 | 2020-07-31 | 博雅干细胞科技有限公司 | 从胎盘血管分离间充质干细胞的方法和所用消化酶组合物 |
EP3943065A4 (en) * | 2019-03-21 | 2022-12-14 | Anterogen Co., Ltd. | INJECTION FORMULATION COMPOSITION CONTAINING A MESENCHYMATOUS STEM CELL HYDROGEL AND METHOD OF PREPARING, FREEZING AND THAWING THEREOF |
US20220273772A1 (en) * | 2019-07-26 | 2022-09-01 | Pandorum Technologies Private Limited | Bioengineered formulation, process for preparing and implementations thereof |
EP4232565A4 (en) * | 2020-10-26 | 2024-08-14 | Hadasit Medical Res Services&Development Ltd | MESENCHYMAL STEM CELLS AND THEIR CULTURE |
US20230389540A1 (en) * | 2020-10-29 | 2023-12-07 | Osaka University | Method for freezing cell structure |
WO2023055244A1 (en) * | 2021-09-30 | 2023-04-06 | Warszawski Uniwersytet Medyczny | A dressing for treating hard-to-heal wounds and a process for the manufacture thereof |
WO2023055247A1 (en) | 2021-09-30 | 2023-04-06 | Warszawski Uniwersytet Medyczny | A dressing for treating hard-to-heal wounds and a process for the manufacture thereof |
CN114480267A (zh) * | 2022-01-21 | 2022-05-13 | 济南万泉生物技术有限公司 | TGF-β2与Val混合刺激因子促进间充质干细胞表达更多细胞外基质 |
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