JP6452807B2 - 間葉系幹細胞−ヒドロゲルを含有する組成物及びこれの製造方法 - Google Patents
間葉系幹細胞−ヒドロゲルを含有する組成物及びこれの製造方法 Download PDFInfo
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- JP6452807B2 JP6452807B2 JP2017515684A JP2017515684A JP6452807B2 JP 6452807 B2 JP6452807 B2 JP 6452807B2 JP 2017515684 A JP2017515684 A JP 2017515684A JP 2017515684 A JP2017515684 A JP 2017515684A JP 6452807 B2 JP6452807 B2 JP 6452807B2
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Description
脂肪組織は、通常、脂肪吸引法で得られるが、これに限定されない。
前記実施例1から得た脂肪由来の間葉系幹細胞5x105個/mLにトロンビン溶液(400〜600I.U.)を1:10、1:20、1:40の比率で添加した。フィブリノーゲン(71.5〜126.5mg/mL)は、それぞれ1:20、1:40、1:80に希釈して準備した。デュープロジェクト(Duploject)シリンジシステムを用いて12well plateの各wellにフィブリノーゲンとトロンビンが含まれた細胞懸濁液をそれぞれ500〜700uLずつ添加した。ゲルが完全に固まると、10%FBS、1ng/mL bFGFが含まれた培養培地を添加した後、37℃、5%CO2インキュベータで5日間培養した。DMEMで3回洗浄した後、1ng/mL bFGFが含まれたDMEMを添加し、37℃、5%CO2インキュベータで約12時間培養した。上澄み液を除去し、1mL注射器を利用して細胞−ヒドロゲルを収集した。注射器に23ゲージのニードルを連結して細胞−ヒドロゲルをディッシュに押し出した後、光学顕微鏡で観察した。
前記実施例1で得た脂肪由来の間葉系幹細胞5x105個/mLにトロンビン溶液を1:20の比率で添加し、フィブリノーゲンは1:40に希釈して準備した後、実施例2に従って培養し、洗浄した後、注射器に充填した。
従来の細胞治療剤の培養法では、次のような方法を用いた:
前記実施例3の各段階で細胞−ヒドロゲルにトリプルエクスプレス酵素を添加してフィブリン糊を溶かした後、細胞数を測定した。同様に、比較例1の各段階において細胞数を測定した。
前記実施例3に従ってヒドロゲルで培養して1mLの注射器に充填した後、常温で保管し、0、24、48時間及び7日後に細胞の生存率をアクリジンオレンジ−エチジウムブロマイド(Acridin Orange/Etidium Bromide)で染色して測定した。対照群としては、前記実施例3において既存の方法に従って製造してバイアルに充填した細胞を利用した。
前記実施例3に従ってヒドロゲルで培養して1mLの注射器に充填された細胞−ヒドロゲルを酵素処理して溶かした後、コラーゲンタイプIの量を酵素結合免疫吸収分析法(ELISA)を用いて分析した。対照群としては、前記実施例3の既存の方法に従って培養した後、1mLの注射器に充填された細胞懸濁液を利用した。
Claims (7)
- (a)脂肪由来の間葉系幹細胞を培養する段階;
(b)前記培養された脂肪由来の間葉系幹細胞とヒドロゲル溶液を混合してゲルを形成する段階;及び
(c)前記ゲルを培養する段階を備え、
前記ヒドロゲルは、フィブリン糊であり、前記フィブリン糊は、0.9乃至1.6mg/mLの濃度のフィブリノーゲンを含むことを特徴とする
間葉系幹細胞−ヒドロゲル組成物の製造方法。 - フィブリン糊は、1乃至300I.U./mL濃度のトロンビンを含むことを特徴とする、請求項1に記載の間葉系幹細胞−ヒドロゲル組成物の製造方法。
- フィブリン糊は、10乃至15I.U./mL濃度のトロンビンを含むことを特徴とする、請求項1に記載の間葉系幹細胞−ヒドロゲル組成物の製造方法。
- 段階(c)以後、間葉系幹細胞−ヒドロゲル組成物をアンプル、バイアルまたは注射器に充填する段階(d)をさらに備えることを特徴とする、請求項1に記載の間葉系幹細胞−ヒドロゲル組成物の製造方法。
- 段階(d)で製造されたアンプル、バイアルまたは注射器に充填された間葉系幹細胞−ヒドロゲルでカウントした細胞数が、段階(c)で収得された間葉系幹細胞をカウントした細胞数の70%以上であることを特徴とする、請求項4に記載の間葉系幹細胞−ヒドロゲル組成物の製造方法。
- 段階(d)で製造されたアンプル、バイアルまたは注射器に充填された間葉系幹細胞−ヒドロゲルでカウントした細胞数が、段階(c)で収得された間葉系幹細胞をカウントした細胞数の80%以上であることを特徴とする、請求項4に記載の間葉系幹細胞−ヒドロゲル組成物の製造方法。
- 請求項1に記載の方法で製造された間葉系幹細胞−ヒドロゲル組成物を有効成分として含有する、細胞治療剤。
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PCT/KR2014/010457 WO2016047849A1 (ko) | 2014-09-22 | 2014-11-03 | 중간엽줄기세포-하이드로겔을 함유하는 조성물 및 이의 제조방법 |
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CN110709504A (zh) * | 2017-06-05 | 2020-01-17 | 梅约医学教育与研究基金会 | 培养、增殖和分化干细胞的方法和材料 |
CN111527198A (zh) | 2017-12-28 | 2020-08-11 | 株式会社钟化 | 包含贴壁性干细胞的细胞群、其制造方法、以及医药组合物 |
WO2019132025A1 (ja) | 2017-12-28 | 2019-07-04 | 株式会社カネカ | 接着性幹細胞を含む細胞集団とその製造方法、及び医薬組成物 |
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CN109182249B (zh) * | 2018-09-17 | 2022-04-19 | 宇润全成生物科技(北京)有限公司 | 一种在体修复用细胞移植的支架材料的制备方法 |
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KR102473820B1 (ko) * | 2019-03-21 | 2022-12-05 | (주)안트로젠 | 중간엽줄기세포-하이드로겔을 함유하는 주사형 조성물 및 이의 제조, 동결 및 해동방법 |
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 |
CN113663132B (zh) * | 2021-07-20 | 2022-10-18 | 湖南美柏生物医药有限公司 | 脂肪组织再生水凝胶及其制备方法和应用 |
WO2023072161A1 (zh) * | 2021-10-26 | 2023-05-04 | 江阴司特易生物技术有限公司 | 包含间充质干细胞和水凝胶的组合物及其应用 |
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