JP6826135B2 - トロンビン処理幹細胞に由来するエクソソームを含む皮膚傷治療用組成物 - Google Patents
トロンビン処理幹細胞に由来するエクソソームを含む皮膚傷治療用組成物 Download PDFInfo
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- JP6826135B2 JP6826135B2 JP2018568285A JP2018568285A JP6826135B2 JP 6826135 B2 JP6826135 B2 JP 6826135B2 JP 2018568285 A JP2018568285 A JP 2018568285A JP 2018568285 A JP2018568285 A JP 2018568285A JP 6826135 B2 JP6826135 B2 JP 6826135B2
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Description
1−1.トロンビンによるエクソソーム分泌誘導
ヒト臍帯血由来の間葉系幹細胞(3×105個)を100mmの培養ディッシュ(orange scientific cat#4450200)に分注した後、1週間培養した。培養ディッシュに細胞が飽和増殖したことを確認した後、50unit/mlのトロンビン(REYON Pharmaceutical.Co.,LTD)が希釈されている血清フリー培養培地(MEM alpha media)に交換し、さらに6時間培養した。
前記実施例1−1で収得したエクソソームが、トロンビン処理により成長因子やIL−6のような抗炎症サイトカイン等の発現が増加したかを確認した。
2−1.エクソソーム濃度による効果
本発明の「トロンビン処理幹細胞由来のエクソソーム」が、血管内皮細胞の分化を誘導して管形成(血管新生)に影響を及ぼすことができるかを確認するために、成長因子減少マトリゲル(Growth factor−reduced Matrigel、10mg/ml)を利用した管形成アッセイを行った。
HUVEC細胞に、トロンビン未処理幹細胞由来のエクソソーム(MSC ECV)、トロンビン処理幹細胞由来のエクソソーム(MSC throm ECV)、トロンビン未処理線維芽細胞由来のエクソソーム(fibroblast ECV)、トロンビン処理線維芽細胞由来のエクソソーム(fibroblast throm ECV)をそれぞれ10ug/mlの濃度で処理したことを除いて、前記実施例2−1と同じ方法で実験を行った。
すべての動物実験は、三星生命科学研究所の実験動物委員会(Research Animal Laboratory Committee of Samsung Biomedical Research Institute、韓国)により承認を受け、機関のガイドラインに従った。
Claims (15)
- 幹細胞に由来するエクソソーム(exosome)を有効成分として含む、皮膚傷の予防または治療用薬学的組成物であって、
前記幹細胞はトロンビン処理された間葉系幹細胞である、
前記薬学的組成物。 - 前記間葉系幹細胞は、臍帯、臍帯血、骨髄、脂肪、筋肉、神経、皮膚、羊膜、または胎盤に由来する、請求項1に記載の薬学的組成物。
- 前記皮膚傷の治療は、血管内皮細胞成長促進による血管新生(angiogenesis)による、請求項1に記載の薬学的組成物。
- 前記薬学的組成物は、培養培地、サイトカイン、成長因子、および遺伝子よりなる群から選択される補助成分をさらに含む、請求項1に記載の薬学的組成物。
- 前記エクソソームは、成長因子、免疫調節因子、抗酸化因子、または血管新生因子の発現が、トロンビン処理されていない幹細胞に由来するエクソソームと比べて増加している、請求項1に記載の薬学的組成物。
- 前記成長因子は、脳由来神経栄養因子(BDNF;brain−derived neurotrophic factor)、線維芽細胞増殖因子(FGF;fibroblast growth factor)、肝細胞増殖因子(HGF;hepatocyte growth factor)、神経成長因子(NGF;nerve growth factor)、または血管内皮細胞増殖因子(VEGF;vascular endothelial growth factor)である、請求項5に記載の薬学的組成物。
- 請求項1に記載の組成物を含有する、皮膚傷の予防または治療用薬学製剤。
- 注射剤形、輸液剤形、噴霧剤形、液状剤形、またはパッチ剤形である、請求項7に記載の薬学製剤。
- 幹細胞に由来するエクソソームを有効成分として含む、皮膚傷改善用医薬部外品製剤であって、
前記幹細胞はトロンビン処理された間葉系幹細胞である、
前記医薬部外品製剤。 - 前記皮膚傷の改善は、血管新生によるものである、請求項9に記載の医薬部外品製剤。
- 前記エクソソームは、成長因子、免疫調節因子、抗酸化因子、または血管新生因子の発現が、トロンビン処理されていない幹細胞に由来するエクソソームと比べて増加している、請求項9に記載の医薬部外品製剤。
- 前記医薬部外品製剤は、液剤、軟こう剤、クリーム剤、スプレー剤、パッチ剤、ゲル剤、およびエアロゾル剤よりなる群から選択される皮膚外用剤形態である、請求項9に記載の医薬部外品製剤。
- (a)幹細胞の培養後に該幹細胞をトロンビン処理する段階;
(b)前記段階(a)の培養液からエクソソームを分離する段階;および
(c)前記段階(b)で分離したエクソソームを有効成分として含有する組成物を製造する段階を含み、
前記幹細胞は間葉系幹細胞である、
請求項1に記載の薬学的組成物の製造方法。 - 前記段階(a)のトロンビンは、培地内に1〜1,000unit/mlの濃度で含まれる、請求項13に記載の製造方法。
- 前記段階(b)のエクソソームは、遠心分離を3,000〜100,000gで10分〜5時間行うことにより分離される、請求項13に記載の製造方法。
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KR1020170080366A KR101860266B1 (ko) | 2016-07-01 | 2017-06-26 | 트롬빈 처리 줄기세포에서 유래된 엑소좀을 포함하는 피부상처 치료용 조성물 |
PCT/KR2017/006776 WO2018004237A1 (ko) | 2016-07-01 | 2017-06-27 | 트롬빈 처리 줄기세포에서 유래된 엑소좀을 포함하는 피부상처 치료용 조성물 |
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