JP6996774B2 - 癌細胞の選択的蛍光標識のためのナノ伝達体及びその製造方法 - Google Patents
癌細胞の選択的蛍光標識のためのナノ伝達体及びその製造方法 Download PDFInfo
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Description
油相成分を準備する段階と、
界面活性剤を準備する段階と、
水相成分を準備する段階と、
前記油相成分、界面活性剤及び水相成分を撹拌混合し、油中水ナノエマルジョンを製造する段階と、
前記油中水ナノエマルジョンを水中で再分散させた後、油相部分を除去することにより、ナノ粒子を分離する段階と、を含む、前記本発明の一様相によるミセル構造のナノ伝達体の製造方法を提供する。
(付記1)
油相成分、界面活性剤及び水相成分を含み、前記水相成分は、癌細胞蛍光誘導物質及び癌細胞ターゲティング多糖体を含む油中水ナノエマルジョンを水中で分散させ、油相成分を除去して獲得される前記水相成分を含むミセル構造のナノ伝達体。
前記ミセル構造のナノ伝達体は、相互浸透高分子網状構造を有することを特徴とする付記1に記載のナノ伝達体。
前記ミセル構造のナノ伝達体は、平均粒子サイズが200nm以下であることを特徴とする付記1に記載のナノ伝達体。
前記ナノ伝達体の平均粒子サイズは、200nm以下であり、ゼータ電位の値は、-10mVないし~30mV、または10~30mVであることを特徴とする付記1に記載のナノ伝達体。
前記ナノエマルジョンは、前記ナノエマルジョン全体重量を基準に、前記油相成分を70~80重量%、前記水相成分を10~20重量%、前記界面活性剤を5~15重量%含むことを特徴とする付記1に記載のナノ伝達体。
前記界面活性剤は、単一界面活性剤または共界面活性剤であることを特徴とする付記1に記載のナノ伝達体。
前記界面活性剤は、HLB値が6~9である共界面活性剤であることを特徴とする付記1に記載のナノ伝達体。
前記界面活性剤は、ソルビタン脂肪酸エステル(Span)及びポリオキシエチレンソルビタンの脂肪酸エステル(Tween)の混合物であり、HLB値が6~9であることを特徴とする付記1に記載のナノ伝達体。
前記癌細胞蛍光誘導物質は、ヘム、ヘミン、亜鉛プロトポルフィリン、マグネシウムプロトポルフィリン、ヘマトポルフィリン、ベンゾポルフィリン、メタロポルフィリン、5-アミノレブリン酸、テキサフィリン、クロリン、プルプリン、バクテリオクロリン、フタロシアニン、ナフタロシアニン、及びそれらの任意の組み合わせによって構成された群のうちから選択されることを特徴とする付記1に記載のナノ伝達体。
前記癌細胞ターゲティング多糖体は、ヒアルロン酸または癌細胞標的指向性リガンド結合多糖体であることを特徴とする付記1に記載のナノ伝達体。
前記癌細胞標的指向性リガンド結合多糖体のリガンドは、アプタマー、抗体、ペプチド、及び葉酸によって構成された群のうちから選択され、前記多糖体は、アルギン酸、キトサン、ペクチン、ベータ-グルカン、セルロース、ゼラチン、ヘミセルロース、ガラクトマンナン、イヌリン、ガム、キチン、及びそれらの任意の組み合わせによって構成された群のうちから選択されることを特徴とする付記10に記載のナノ伝達体。
前記リガンド結合多糖体は、葉酸結合アルギン酸であることを特徴とする付記11に記載のナノ伝達体。
前記癌細胞蛍光誘導物質は、5-アミノレブリン酸であり、前記癌細胞ターゲティング多糖体は、ヒアルロン酸であることを特徴とする付記1に記載のナノ伝達体。
前記油相成分は、大豆油、オリーブ油、ブドウ種子油、キャノーラ油、コーンオイル、ミネラルオイル、シリコンオイル、キャスターオイル、パラフィンオイル、及びそれらの任意の組み合わせによって構成された群のうちから選択されることを特徴とする付記1に記載のナノ伝達体。
付記1ないし14のうちいずれか1つに記載のナノ伝達体を含む癌診断用薬学組成物。
前記癌は、脳腫瘍、肺癌、胃癌及び卵巣癌によって構成された群のうちから選択されることを特徴とする付記14に記載の癌診断用薬学組成物。
油相成分を準備する段階と、
界面活性剤を準備する段階と、
水相成分を準備する段階と、
前述の油相成分、界面活性剤及び水相成分を撹拌混合し、油中水ナノエマルジョンを製造する段階と、
前記油中水ナノエマルジョンを水中で再分散させた後、油相部分を除去することにより、ナノ粒子を分離する段階と、
を含む、付記1ないし14のうちいずれか1つに記載のナノ伝達体の製造方法。
前記水相成分を準備する段階は、癌細胞ターゲティング多糖体を含む第1水性成分を準備する段階と、
癌細胞蛍光誘導物質を含む第2水性成分を準備する段階と、
を含むことを特徴とする付記17に記載の製造方法。
Claims (15)
- 内相として水相成分を含み、かつ、前記水相成分の表面上に界面活性剤を含む、ミセル構造のナノ伝達体であって、
前記水相成分は、癌細胞蛍光誘導物質及び癌細胞ターゲティング多糖体を含み、
前記ナノ伝達体は、前記癌細胞ターゲティング多糖体が前記ナノ伝達体の表面から突出する相互浸透高分子網状構造を有し、
前記癌細胞ターゲティング多糖体は、葉酸結合アルギン酸であることを特徴とするミセル構造のナノ伝達体。 - 内相として水相成分を含み、かつ、前記水相成分の表面上に界面活性剤を含む、ミセル構造のナノ伝達体であって、
前記水相成分は、癌細胞蛍光誘導物質及び癌細胞ターゲティング多糖体を含み、
前記ナノ伝達体は、前記癌細胞ターゲティング多糖体がもつれ合って前記癌細胞蛍光誘導物質をカプセル化しかつ前記癌細胞ターゲティング多糖体が前記ナノ伝達体の表面から突出する相互浸透高分子網状構造を有し、
前記癌細胞ターゲティング多糖体は、ヒアルロン酸であり、
前記ナノ伝達体は、平均粒子サイズが200nm以下であることを特徴とするミセル構造のナノ伝達体。 - 前記水相成分は、癌細胞蛍光誘導物質及び癌細胞ターゲティング多糖体を1:1の重量比で含む、請求項1または2に記載のナノ伝達体。
- 前記ナノ伝達体は、平均粒子サイズが200nm以下であることを特徴とする請求項1に記載のナノ伝達体。
- ゼータ電位の値は、-10mV~-30mV、または10~30mVであることを特徴とする請求項2または4に記載のナノ伝達体。
- 前記界面活性剤は、単一界面活性剤または共界面活性剤であることを特徴とする請求項1または2に記載のナノ伝達体。
- 前記界面活性剤は、HLB値が6~9である共界面活性剤であることを特徴とする請求項1または2に記載のナノ伝達体。
- 前記界面活性剤は、ソルビタン脂肪酸エステル(Span)及びポリオキシエチレンソルビタンの脂肪酸エステル(Tween)の混合物であり、HLB値が6~9であることを特徴とする請求項1または2に記載のナノ伝達体。
- 前記癌細胞蛍光誘導物質は、ヘム、ヘミン、亜鉛プロトポルフィリン、マグネシウムプロトポルフィリン、ヘマトポルフィリン、ベンゾポルフィリン、メタロポルフィリン、5-アミノレブリン酸、テキサフィリン、クロリン、プルプリン、バクテリオクロリン、フタロシアニン、ナフタロシアニン、及びそれらの任意の組み合わせによって構成された群のうちから選択されることを特徴とする請求項1または2に記載のナノ伝達体。
- 前記癌細胞蛍光誘導物質は、5-アミノレブリン酸であることを特徴とする請求項1または2に記載のナノ伝達体。
- 請求項1~10のうちいずれか1項に記載のナノ伝達体を含む癌診断用薬学組成物。
- 前記癌は、脳腫瘍、肺癌、胃癌及び卵巣癌によって構成された群のうちから選択されることを特徴とする請求項11に記載の癌診断用薬学組成物。
- 油相成分を準備する段階と、
界面活性剤を準備する段階と、
水相成分を準備する段階と、
前述の油相成分、界面活性剤及び水相成分を撹拌混合し、油中水ナノエマルジョンを製造する段階と、
前記油中水ナノエマルジョンを水中で再分散させた後、油相部分を除去することにより、ナノ粒子を分離する段階と、
を含み、
前記水相成分を準備する段階は、
癌細胞ターゲティング多糖体を含む第1水性成分を準備する段階と、
癌細胞蛍光誘導物質を含む第2水性成分を準備する段階と、
を含み、
前記癌細胞ターゲティング多糖体は、ヒアルロン酸または葉酸結合アルギン酸である、
請求項1~10のうちいずれか1項に記載のナノ伝達体の製造方法。 - 前記ナノエマルジョンは、前記ナノエマルジョン全体重量を基準に、前記油相成分を70~80重量%、前記水相成分を10~20重量%、前記界面活性剤を5~15重量%含むことを特徴とする請求項13に記載の製造方法。
- 前記油相成分は、大豆油、オリーブ油、ブドウ種子油、キャノーラ油、コーンオイル、ミネラルオイル、シリコンオイル、キャスターオイル、パラフィンオイル、及びそれらの任意の組み合わせによって構成された群のうちから選択されることを特徴とする請求項13に記載の製造方法。
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