JP5937966B2 - 生体活性物質の細胞送達のための粒子状ヒアルロン酸製剤 - Google Patents
生体活性物質の細胞送達のための粒子状ヒアルロン酸製剤 Download PDFInfo
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Description
本出願は、2009年8月11日に提出されたシンガポール特許出願第200905341-4号の恩典、およびそれによる優先権を主張し、その内容は全体が参照により本明細書に組み入れられる。
本発明は一般に、溶液中の不混和性粒子の懸濁液であって、粒子が生体活性物質と、ヒアルロン酸とフラボノイドとの複数の結合体との集塊を含み;粒子が平均で直径約15nm〜約300nmであり、かつ生体活性物質がフラボノイドによって、放出可能なように粒子中に保たれている懸濁液に関する。
癌治療法における主な課題は、腫瘍細胞への細胞傷害性薬剤の選択的送達である。これらの細胞傷害性薬剤は低分子であっても高分子であってもよく(例えば、タンパク質、DNAおよびsiRNA)、細胞外標的または細胞内標的のいずれを有してもよい。癌治療法における多くの研究は、腫瘍細胞に対する選択性が一般に乏しい、ドキソルビシンなどの低分子薬の標的化送達を改善することに重点を置いている。
[本発明1001]
粒子が、
生体活性物質と;
ヒアルロン酸とフラボノイドとの複数の結合体
との集塊を含む、溶液中の不混和性粒子の懸濁液であって、粒子が平均で直径約15nm〜約300nmであり、かつ生体活性物質がフラボノイドによって、放出可能なように粒子中に保たれている、懸濁液。
[本発明1002]
溶液が水溶液である、本発明1001の懸濁液。
[本発明1003]
生体活性物質が、フラボノイドと生体活性物質との間の疎水結合によって、放出可能なように粒子中に保たれている、本発明1001または本発明1002の懸濁液。
[本発明1004]
生体活性物質が、フラボノイドと生体活性物質との間のイオン結合によって、放出可能なように粒子中に保たれている、本発明1001または本発明1002の懸濁液。
[本発明1005]
粒子が平均で直径約50nm〜約100nmである、本発明1001〜1004のいずれかの懸濁液。
[本発明1006]
フラボノイドがカテキンベースのフラボノイドである、本発明1001〜1005のいずれかの懸濁液。
[本発明1007]
フラボノイドが没食子酸エピガロカテキンである、本発明1006の懸濁液。
[本発明1008]
生体活性物質が抗癌薬である、本発明1001〜1007のいずれかの懸濁液。
[本発明1009]
生体活性物質がタンパク質である、本発明1001〜1008のいずれかの懸濁液。
[本発明1010]
生体活性物質がイントラボディである、本発明1001〜1009のいずれかの懸濁液。
[本発明1011]
生体活性物質がグランザイムBである、本発明1001〜1009のいずれかの懸濁液。
[本発明1012]
生体活性物質が、単独で細胞に送達された場合に細胞内に入ることができない生体活性物質である、本発明1001〜1009のいずれかの懸濁液。
[本発明1013]
HAが約5000〜約10000000ダルトンの分子量を有する、本発明1001〜1012のいずれかの懸濁液。
[本発明1014]
粒子が、0.01% w/v〜約1.0% w/vの生体活性物質、ならびに0.05μg/ml〜約5000μg/mlのヒアルロン酸とフラボノイドとの結合体を溶液中で合わせることによって形成される、本発明1001〜1013の懸濁液。
[本発明1015]
粒子がエンドソーム溶解物質をさらに含む、本発明1001〜1014のいずれかの懸濁液。
[本発明1016]
エンドソーム溶解物質がポリエチレンイミンである、本発明1015の懸濁液。
[本発明1017]
本発明1001〜1016のいずれかの懸濁液を含む、治療用製剤。
[本発明1018]
細胞への生体活性物質の送達のための方法であって、該細胞を本発明1001〜1016のいずれかの懸濁液または本発明1017の製剤と接触させる段階を含む、方法。
[本発明1019]
細胞への生体活性物質の細胞内送達のための方法であって、細胞を本発明1001〜1016のいずれかの懸濁液または本発明1017の製剤と接触させる段階を含む、方法。
[本発明1020]
細胞が癌細胞である、本発明1018または本発明1019の方法。
[本発明1021]
細胞がインビトロである、本発明1018〜1020のいずれかの方法。
[本発明1022]
細胞がインビボである、本発明1018〜1020のいずれかの方法。
[本発明1023]
粒子を癌の治療のために有効な量で対象に投与する段階を含む、本発明1022の方法。
[本発明1024]
細胞への生体活性物質の送達のための、本発明1001〜1016のいずれかの懸濁液または本発明1017の製剤の使用。
[本発明1025]
細胞への生体活性物質の送達のための医薬の製造における、本発明1001〜1016のいずれかの懸濁液または本発明1017の製剤の使用。
[本発明1026]
細胞への生体活性物質の送達に用いるための、本発明1001〜1016のいずれかの懸濁液または本発明1017の製剤。
[本発明1027]
細胞への生体活性物質の細胞内送達のための、本発明1001〜1017のいずれかの懸濁液または製剤の使用。
[本発明1028]
細胞への生体活性物質の細胞内送達のための医薬の製造における、本発明1001〜1016のいずれかの懸濁液または本発明1017の製剤の使用。
[本発明1029]
細胞への生体活性物質の細胞内送達に用いるための、本発明1001〜1016のいずれかの懸濁液または本発明1017の製剤。
[本発明1030]
細胞が癌細胞である、本発明1024〜1029のいずれかの使用、懸濁液または製剤。
[本発明1031]
癌の治療のために有効な量での、本発明1024〜1030のいずれかの使用、懸濁液または製剤。
[本発明1032]
不混和性粒子の懸濁液を製剤化する方法であって、
a.0.01% w/v〜約1.0% w/vの生体活性物質;および
b.0.05μg/ml〜約5000μg/mlのヒアルロン酸とフラボノイドとの結合体
を溶液中で合わせて粒子の懸濁液を形成させる段階を含み、
粒子が生体活性物質と、ヒアルロン酸とフラボノイドとの結合体との集塊を含み、粒子が平均で直径約15nm〜約300nmであり、かつ生体活性物質がフラボノイドによって、放出可能なように粒子中に保たれている、方法。
[本発明1033]
溶液が水溶液である、本発明1032の方法。
[本発明1034]
生体活性物質がフラボノイドと生体活性物質との間の疎水結合によって、放出可能なように粒子中に保たれている、本発明1032または本発明1033の方法。
[本発明1035]
生体活性物質がフラボノイドと生体活性物質との間のイオン結合によって、放出可能なように粒子中に保たれている、本発明1032または本発明1033の方法。
[本発明1036]
粒子が平均で直径約50〜約100nmである、本発明1032〜1035のいずれかの方法。
[本発明1037]
フラボノイドがカテキンベースのフラボノイドである、本発明1032〜1036のいずれかの方法。
[本発明1038]
フラボノイドが没食子酸エピガロカテキンである、本発明1037の方法。
[本発明1039]
生体活性物質が抗癌薬である、本発明1032〜1038のいずれかの方法。
[本発明1040]
生体活性物質がタンパク質である、本発明1032〜1039のいずれかの方法。
[本発明1041]
生体活性物質がイントラボディである、本発明1032〜1040のいずれかの方法。
[本発明1042]
生体活性物質がグランザイムBである、本発明1032〜1040のいずれかの方法。
[本発明1043]
生体活性物質が、単独で細胞に送達された場合に細胞内に入ることができない生体活性物質である、本発明1032〜1040のいずれかの方法。
[本発明1044]
HAが約5000〜約10000000ダルトンの分子量を有する、本発明1032〜1043のいずれかの方法。
[本発明1045]
エンドソーム溶解物質を、生体活性物質、およびヒアルロン酸とフラボノイドとの結合体と合わせて懸濁液を形成させる段階を含み、粒子がエンドソーム溶解物質をさらに含む、本発明1032〜1044のいずれかの方法。
[本発明1046]
エンドソーム溶解物質がポリエチレンイミンである、本発明1045の方法。
[本発明1047]
治療用製剤を製剤化するための、本発明1032〜1046のいずれかの方法。
[本発明1048]
疾患を治療する方法であって、それを必要とする対象に対して、本発明1001〜1017のいずれかの懸濁液または製剤の有効量を投与する段階を含む、方法。
[本発明1049]
疾患が癌である、本発明1048の方法。
1つの局面においては、溶液中の不混和性粒子の懸濁液であって、粒子が生体活性物質と;ヒアルロン酸とフラボノイドとの複数の結合体との集塊を含み;粒子が平均で直径約15nm〜約300nmであり、かつ生体活性物質がフラボノイドによって、放出可能なように粒子中に保たれている懸濁液が提供される。
本明細書記載の粒子は、抗癌薬を含む生体活性物質、およびヒアルロン酸(HA)とフラボノイドとの複数の結合体(HA-フラボノイド結合体)で構成される。
1つの局面においては、溶液中の不混和性粒子の懸濁液であって、粒子が生体活性物質と;ヒアルロン酸とフラボノイドとの複数の結合体との集塊を含み;粒子が平均で直径約15nm〜約300nmであり、かつ生体活性物質がフラボノイドによって、放出可能なように粒子中に保たれている懸濁液が本明細書で提供される。
本明細書に記載の懸濁液は、抗癌薬を含む生体活性物質を、癌細胞を含む細胞に送達するために用いることができる。本粒子のHAは、多くの細胞種で過剰発現されるCD44受容体と結合することができ、それ故に本粒子は特異的に、癌細胞を生体活性物質の送達のための標的とすることができる。
ヒアルロン酸ナトリウム(HA)(MW=90KDa、密度=1.05g/cm3)は、チッソ株式会社(Chisso Corporation)(Tokyo, Japan)によって寄贈された。ジエトキシエチルアミン(DA)、N-ヒドロキシスクシンイミド(NHS)、塩酸1-エチル-3-(3-ジメチルアミノプロピル)-カルボジイミド(EDC-HCl)、ニワトリ卵白由来のリゾチーム、およびミクロコッカス・リソディクティカス(Micrococcus lysodeikticus)はすべて、Sigma-Aldrichから購入した。リサミンローダミンBエチルジアミンおよびフルオレセインイソチオシアネート(FITC)は、Invitrogenから購入した。リン酸緩衝食塩水(PBS、150mM、pH 7.3)は、Biopolis、Singaporeの培地調製施設による供給を受けた。
HA-EGCGを、前述したような二段階の反応手順によって合成した。まずHA-ジエトキシエチルアミン(HA-DA)結合体を、標準的なカルボジイミド/活性エステル媒介カップリング反応によって調製した。この後に、EGCGの求核性A環と、HA-DAのジエトキシアセタール基の脱保護によって形成されたアルデヒド基との間の酸性条件下でのバイヤー酸触媒反応を介した、EGCGのHAとのコンジュゲーションを行った(図2)。
Claims (36)
- 粒子が、
タンパク質である生体活性物質と;
ヒアルロン酸と没食子酸エピガロカテキンであるフラボノイドとの複数の結合体
との集塊を含む、水溶液中の不混和性粒子の懸濁液であって、
粒子が、粒子内に水和環境を有し、平均で直径15nm〜300nmであり、かつ生体活性物質がフラボノイドによって、放出可能なように粒子中に保たれている、懸濁液。 - 生体活性物質が、フラボノイドと生体活性物質との間の疎水結合によって、放出可能なように粒子中に保たれている、請求項1記載の懸濁液。
- 生体活性物質が、フラボノイドと生体活性物質との間のイオン結合によって、放出可能なように粒子中に保たれている、請求項1記載の懸濁液。
- 粒子が平均で直径50nm〜100nmである、請求項1〜3のいずれか一項記載の懸濁液。
- 生体活性物質が抗癌薬である、請求項1〜4のいずれか一項記載の懸濁液。
- 生体活性物質がイントラボディである、請求項1〜5のいずれか一項記載の懸濁液。
- 生体活性物質がグランザイムBである、請求項1〜5のいずれか一項記載の懸濁液。
- 生体活性物質が、単独で細胞に送達された場合に細胞内に入ることができない生体活性物質である、請求項1〜5のいずれか一項記載の懸濁液。
- ヒアルロン酸が5000〜10000000ダルトンの分子量を有する、請求項1〜8のいずれか一項記載の懸濁液。
- 粒子が、0.01% w/v〜1.0% w/vの生体活性物質、ならびに0.05μg/ml〜5000μg/mlのヒアルロン酸とフラボノイドとの結合体を水溶液中で合わせることによって形成される、請求項1〜9記載の懸濁液。
- 粒子がエンドソーム溶解物質をさらに含む、請求項1〜10のいずれか一項記載の懸濁液。
- エンドソーム溶解物質がポリエチレンイミンである、請求項11記載の懸濁液。
- 請求項1〜12のいずれか一項記載の懸濁液を含む、治療用製剤。
- 細胞への生体活性物質の送達のためのインビトロ方法であって、該細胞を請求項1〜12のいずれか一項記載の懸濁液または請求項13記載の製剤と接触させる段階を含む、方法。
- 細胞への生体活性物質の細胞内送達のためのインビトロ方法であって、細胞を請求項1〜12のいずれか一項記載の懸濁液または請求項13記載の製剤と接触させる段階を含む、方法。
- 細胞が癌細胞である、請求項14または請求項15記載の方法。
- 細胞への生体活性物質の送達のための医薬の製造における、請求項1〜12のいずれか一項記載の懸濁液または請求項13記載の製剤の使用。
- 細胞への生体活性物質の細胞内送達のための医薬の製造における、請求項1〜12のいずれか一項記載の懸濁液または請求項13記載の製剤の使用。
- 細胞が癌細胞である、請求項17または18記載の使用。
- 癌の治療のために有効な量での、請求項17〜19のいずれか一項記載の使用。
- 細胞への生体活性物質の送達に用いるための、請求項1〜12のいずれか一項記載の懸濁液または請求項13記載の製剤。
- 細胞への生体活性物質の細胞内送達に用いるための、請求項1〜12のいずれか一項記載の懸濁液または請求項13記載の製剤。
- 細胞が癌細胞である、請求項21または22記載の懸濁液または製剤。
- 癌の治療のために有効な量での、請求項21〜23のいずれか一項記載の懸濁液または製剤。
- 不混和性粒子の懸濁液を製剤化する方法であって、
a.0.01% w/v〜1.0% w/vのタンパク質である生体活性物質;および
b.0.05μg/ml〜5000μg/mlのヒアルロン酸と没食子酸エピガロカテキンであるフラボノイドとの結合体
を水溶液中で合わせて粒子の懸濁液を形成させる段階を含み、
粒子が生体活性物質と、ヒアルロン酸とフラボノイドとの結合体との集塊を含み、粒子が、粒子内に水和環境を有し、平均で直径15nm〜300nmであり、かつ生体活性物質がフラボノイドによって、放出可能なように粒子中に保たれている、方法。 - 生体活性物質がフラボノイドと生体活性物質との間の疎水結合によって、放出可能なように粒子中に保たれている、請求項25記載の方法。
- 生体活性物質がフラボノイドと生体活性物質との間のイオン結合によって、放出可能なように粒子中に保たれている、請求項25記載の方法。
- 粒子が平均で直径50〜100nmである、請求項25〜27のいずれか一項記載の方法。
- 生体活性物質が抗癌薬である、請求項25〜28のいずれか一項記載の方法。
- 生体活性物質がイントラボディである、請求項25〜29のいずれか一項記載の方法。
- 生体活性物質がグランザイムBである、請求項25〜29のいずれか一項記載の方法。
- 生体活性物質が、単独で細胞に送達された場合に細胞内に入ることができない生体活性物質である、請求項25〜29のいずれか一項記載の方法。
- ヒアルロン酸が5000〜10000000ダルトンの分子量を有する、請求項25〜32のいずれか一項記載の方法。
- エンドソーム溶解物質を、生体活性物質、およびヒアルロン酸とフラボノイドとの結合体と合わせて懸濁液を形成させる段階を含み、粒子がエンドソーム溶解物質をさらに含む、請求項25〜33のいずれか一項記載の方法。
- エンドソーム溶解物質がポリエチレンイミンである、請求項34記載の方法。
- 治療用製剤を製剤化するための、請求項25〜35のいずれか一項記載の方法。
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