JP2021509406A - 分子の膜貫通送達のための化合物および方法 - Google Patents
分子の膜貫通送達のための化合物および方法 Download PDFInfo
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Abstract
Description
Dは、生体膜を横切って送達される薬物(すなわち、カーゴ薬物)であり、小分子薬物、ペプチド、タンパク質、およびOD(すなわち、天然もしくは修飾、一本鎖もしくは二本鎖、DNAもしくはRNA、siRNA、dsiRNA、またはASO)からなる群から選択され、
y、z、およびwは、各々、0、1、2、3、または4からなる群から独立して選択される、整数であり、y、z、またはwのいずれかが0である場合、それは、それぞれのE部分(複数可)がヌルであることを意味し、y、z、またはwのうちの少なくとも1つは、0とは異なり、
E、E´、またはE´´は、同じまたは異なるものであり得、各々が独立して、一般式(II)に示される構造を有するか、または、式(II)に示される構造によって表される化合物の薬学的に許容される塩、水和物、溶媒和物、および金属キレート、ならびに塩の溶媒和物および水和物を含む。
M1、M2、M3、M4は、互いに独立して、N´、N´´、ヌル、エーテル、アミド、エステル、チオエーテル、およびチオエステルからなる群から選択され、N´およびN´´は、各々−N(CH3)−、−NH−、および−N(X)−からなる群から独立して選択され、式中、Xは、アミンの保護基であり、M1、M2、M3、M4は、同じまたは異なるものであり得、N´、N´´は、同じまたは異なるものであり得る。
Lは、リンカーであり、ヌル、C1、C2、C3、C4、C5、C6アルキレンまたはヘテロアルキレン;フッ素原子(複数可)によって任意に置換された、C5もしくはC6アリールもしくはヘテロアリール、またはヒドロキシル基(複数可);およびそれらの組み合わせからなる群から選択され、
G1、G2、G3、G4は、互いに独立して、水素原子またはメチル基を表し、G基は、同じまたは異なるものであり得、G1、G2、G3、またはG4基のうちの少なくとも2つは、水素原子であり、
a、b、c、d、eは、整数である、各々が独立して、0、1、2、3、4、5、または6からなる群から選択され、0=ヌルであり、a、b、c、d、eは、同じまたは異なるものであり得、
gは、整数を表し、0、1、2、3、4、または5から選択され、
Wは、ヌル、ヒドロキシル、ジヒドロキシル、アミド、天然または修飾ヌクレオシド、式(II1)、(II2)、および(II3)に示される構造のいずれかの残基、ならびにそれらの組み合わせからなる群から選択される。
Jは、ヌル、−CH2−、第二級または第三級アミン、および酸素からなる群から選択され、
E、E´、またはE´´は、D;本明細書で定義される、保護基(例えば、アルコールの保護基);水素、リン酸、硫酸、およびカルボキシル基からなる群から選択される、RまたはR´基;ならびに固体支持体からなる群の任意の部分に結合することができる。本発明の文脈において、E、E´、またはE´´部分は、1つ以上の点を介して1つのD部分に結合され得、Wは、DおよびRまたはR´の両方に同時に結合することができる。
Dは、生体膜にわたって送達される薬物(すなわち、カーゴ薬物)であり、小分子薬物、ペプチド、タンパク質、およびOD(すなわち、天然もしくは修飾、一本鎖もしくは二本鎖、DNAもしくはRNA、siRNA、dsiRNA、またはASO)からなる群から選択され、
y、z、wは、各々、0、1、2、3、または4から独立して選択される整数であり、y、z、またはwのいずれかが0である場合、それはそれぞれのE部分(複数可)がヌルであることを意味し、y、z、またはwのうちの少なくとも1つは、0とは異なり、
E、E´、またはE´´は、同じまたは異なるものであり得、各々が独立して、一般式(II)に示される構造を有するか、または、式(II)に示される構造によって表される化合物の薬学的に許容される塩、水和物、溶媒和物、および金属キレート、ならびに塩の溶媒和物および水和物を含む。
M1、M2、M3、M4は、互いに独立して、N´、N´´、ヌル、エーテル、アミド、エステル、チオエーテル、およびチオエステルからなる群から選択され、N´およびN´´は、各々−N(CH3)−、−NH−、および−N(X)−からなる群から独立して選択され、式中、Xは、アミンの保護基であり、M1、M2、M3、M4は、同じまたは異なるものであり得、N´、N´´は、同じまたは異なるものであり得る。
Lは、リンカーであり、ヌル、C1、C2、C3、C4、C5、C6アルキレンまたはヘテロアルキレン;フッ素原子(複数可)によって任意に置換された、C5もしくはC6アリールもしくはヘテロアリール、またはヒドロキシル基(複数可);およびそれらの組み合わせからなる群から選択され、
G1、G2、G3、G4は、互いに独立して、水素原子またはメチル基を表し、G基は、同じまたは異なるものであり得、G1、G2、G3、またはG4基のうちの少なくとも2つは、水素原子であり、
a、b、c、d、eは、整数である、各々が独立して、0、1、2、3、4、5、または6からなる群から選択され、0=ヌルであり、a、b、c、d、eは、同じまたは異なるものであり得、
gは、整数を表し、0、1、2、3、4、または5から選択され、
Wは、ヌル、ヒドロキシル、ジヒドロキシル、アミド、天然または修飾ヌクレオシド、ならびに式(II1)、(II2)、および(II3)に示される構造のいずれかの残基、ならびにそれらの組み合わせからなる群から選択される。
Jは、ヌル、−CH2−、第二級または第三級アミン、および酸素からなる群から選択され、
E、E´、またはE´´は、D;本明細書で定義される、保護基(例えば、アルコールの保護基);水素、リン酸、硫酸、およびカルボキシル基からなる群から選択される、RまたはR´基;ならびに固体支持体からなる群の任意の部分に結合することができる。本発明の文脈において、E、E´、またはE´´部分は、1つ以上の点を介して1つのD部分に結合され得、Wは、DおよびRまたはR´の両方に同時に結合することができる。
(i).ODは、単一のE、E´、またはE´´部分に結合している。
(ii).ODは、同じまたは異なる、2つのE部分に結合し、各々は、任意に各オリゴヌクレオチド鎖の1つの末端(例えば、5´末端)で結合している。
(iii).ODは、同じまたは異なる、3つのE部分に結合し、EおよびE´部分は、各オリゴヌクレオチド鎖の末端(例えば、5´末端)で結合しているが、E´´は、オリゴヌクレオチド鎖内の内部位置で結合している。
(iv).ODは、同じまたは異なる、いくつかの(n>3)E部分に結合し、E部分は、各オリゴヌクレオチド鎖の末端(例えば、5´末端)で結合しているが、いくつかの他のE部分は、オリゴヌクレオチド鎖に沿ったいくつかの内部位置で結合している。
4−(2,2−ジメチル−1,3−ジオキサン−5−イル)−N−メチルブタン−1−アミン(14)
粗製材料(12.8グラム、34.5mmol)をそのまま追跡化学で使用した。
DCM(50mL)中の4−アミノブタン−1−オール(25g、0.28mol)の溶液に、DCM(150mL)中の二炭酸ジ−tert−ブチル(61g、0.28mol)の溶液をゆっくりと加えた。得られた混合物を90分間撹拌し、その後ガス発生はもはや観察されなかった。混合物をDCM(200mL)で希釈し、1M HCl(400mL)で洗浄し、Na2SO4で乾燥させ、濃縮して、(4−ヒドロキシブチル)カルバミン酸tert−ブチル(11、43g、82%)を透明な油として提供した。
標的ApoC3−dsiRNA−コンジュゲート:
センス鎖の配列:
/5´−(IX)/mGmGrAmUrGmGrArCrArArUmCrAmCrUmUrCmArGrArUrCr CCT
アンチセンス鎖の配列:
/5´(IX)/rArGmGrGrArUrCrUmGrAmArGmUrGrArUrUrGrUrCrCrAmUrCmCmAmG
mは、メチル化を意味し、rは、リボヌクレオチドを意味する。
センス鎖の配列:
mGmGrAmUrGmGrArCrA rArUmCrAmCrUmUrCmA rGrArU rCrCCT
アンチセンス鎖の配列:
rArGmG rGrArU rCrUmG rAmArG mUrGrA rUrUrG rUrCrCrAmUrCmCmAmG
センス鎖の配列:
/5´−(IX)/mAmArGmGrUmGrUrArCrArGmUrUmArU mGrUmGrArArUrArCTT
アンチセンス鎖の配列:
/5´−(IX)/rArAmGrUrArUrUrCmArCmArUmArArCrUrGrUrArCrArCmCrUmU mGmU
10〜100mgの肝臓試料を抽出し、TRIzol試薬に浸漬した。次いで、ステンレス鋼ビーズ(0.9〜2.0mm)の存在下で、ブレットブレンダーホモジナイザー(Next Advance)によって組織を均質化した。混合物を短時間遠心分離して、デブリおよびブレットを除去した。製造元の指示に従って、PureLink RNAミニキット(Invitrogen)を使用してトータルRNAを抽出した。RNAを無限M200−Pro Multimode Reader(Tecan)で定量化した。RNAをHigh−Capacity cDNA Reverse Transcription Kit(ABI)で逆転写し、ApoC3 mRNA発現をベータ−アクチン(Step−one−Plus、ABI)に正規化された、Taqman qRT−PCR手順で測定した。
インビトロでのEGFP遺伝子の発現のサイレンシングにおける、本発明のコンジュゲート、各々が式(IV)に示される構造を有し、EGFP特異的dsiRNAに結合した、EおよびE´部分を含む、[Cn−1−(IV)]−EGFP−dsiRNAの性能の評価。
センス:5´−phos/iApo−Si−K103A/mAmCrCmCrUmGrArArGrUrUmCrAmUrCmUrGmCrArCrCrArCmCGrUrCrA
アンチセンス:5´−phos/iApo−Si−K103A/rCrGmGrUrGrGrUrGmCrAmGrAmUrGrArArCrUrGmGrGmUmCmA
Claims (68)
- 下記の式(I)に示す構造を有するコンジュゲート、またはその薬学的に許容される塩、水和物、溶媒和物、若しくは金属キレート、あるいは前記塩の溶媒和物若しくは水和物。
Dは、生体膜を横切って送達される薬物(すなわち、カーゴ薬物)であり、小分子薬物、ペプチド、タンパク質、およびOD(すなわち、天然の若しくは修飾された、一本鎖若しくは二本鎖のDNA若しくはRNA、siRNA、dsiRNA、またはASO)からなる群から選択され;
y、z、およびwは、互いに独立して、0、1、2、3、および4からなる群から選択される整数であり、y、z、またはwのいずれかが0である場合は、そのE部分がヌルであることを意味し;y、z、およびwの少なくとも1つは0ではなく;
E、E´、またはE´´は、互いに同一であっても異なっていてもよく、互いに独立して、下記の式(II)に示す構造を有する化合物であるか、またはその薬学的に許容される塩、水和物、溶媒和物、若しくは金属キレート、あるいは前記塩の溶媒和物若しくは水和物である。
M1、M2、M3、M4は、互いに独立して、N´、N´´、ヌル、エーテル、アミド、エステル、チオエーテル、およびチオエステルからなる群から選択され;N´およびN´´は、互いに独立して、−N(CH3)−、−NH−、および−N(X)−からなる群から選択され;Xは、アミンの保護基であり;M1、M2、M3、M4は、互いに同一であっても異なっていてもよく;N´、N´´は、互いに同一であっても異なっていてもよく;
L部分は、リンカーであり、ヌル、C1、C2、C3、C4、C5、C6アルキレンもしくはヘテロアルキレン、任意選択でフッ素原子で置換されたC5もしくはC6アリールもしくはヘテロアリール、ヒドロキシル基、およびそれらの任意の組み合わせからなる群から選択され;
G1、G2、G3、G4は、互いに独立して、水素原子またはメチル基を表し;G基は、互いに同一であっても異なっていてもよく;G1、G2、G3、またはG4基のうちの少なくとも2つは水素原子であり;
a、b、c、d、eは、互いに独立して、0、1、2、3、4、5、および6からなる群から選択される整数であり、0=ヌルであり;a、b、c、d、eは、互いに同一であっても異なっていてもよく;gは、0、1、2、3、4、または5から選択される整数を表し;
Wは、ヌル、ヒドロキシル、ジヒドロキシル、アミド、天然ヌクレオシド、または修飾ヌクレオシドのいずれかの残基、下記の式(II1)、(II2)、または(II3)に示す構造体、および、それらの任意の組み合わせからなる群から選択される。
Jは、ヌル、−CH2−、第二級または第三級アミン、および酸素からなる群から選択され、
E、E´、またはE´´部分は、D;本明細書で定義される保護基(例えば、アルコールの保護基);水素、リン酸、硫酸、およびカルボキシル基からなる群から選択されるRまたはR´基;および固体支持体からなる群から選択されるいずれかの部分と結合することができる。本発明の文脈において、E、E´、またはE´´部分は、1以上の結合点を介して1つのD部分に結合され、Wは、DおよびRまたはR´の両方に同時に結合することができる。 - gが、0、1、または2の整数である、請求項1に記載のコンジュゲート。
- cおよびdが、互いに独立して、1、2、または3の整数を表し、
cおよびdが、互いに同一であっても異なっていてもよい、請求項1に記載のコンジュゲート。 - Lが、ジフルオロベンジルアミンである、請求項1に記載のコンジュゲート。
- G1、G2、G3、G4が全て水素原子である、請求項1に記載のコンジュゲート。
- Xが、TEOC[カルバミン酸2−(トリメチルシリル)エチル]、またはFmocである、請求項1に記載のコンジュゲート。
- アルコールおよび/またはアミンの保護基に結合した、請求項1に記載の前記E、E´、またはE´´、またはその薬学的に許容される塩、水和物、溶媒和物、若しくは金属キレート、あるいは前記塩の溶媒和物若しくは水和物を含む前駆体分子。
- ジメトキシトリチル[ビス−(4−メトキシフェニル)フェニルメチル](DMT)およびホスホルアミダイトに結合した、請求項1〜34のいずれかに記載の前記E、E´、またはE´´部分を含む、請求項35に記載の前駆体分子。
- 前記E、E´、またはE´´部分が、式(II)、(III)、(IV)、(V)、(VI)、(VII)、(VIII)、(VIII−H)、(VIII−M)、(IX)、(X)、(XI)、(XII)、(XIIa)、(XIII)、(XIIIa)、(XIV)、(XIV−H)、(XIV−M)、(XV)、(XV−H)、(XV−M)、(XVI)、(XVI−H)、または(XVI−M)に示す構造を有し、かつ、薬物に結合されている、請求項1に記載のコンジュゲート。
- 薬学的組成物であって、
請求項45に記載のコンジュゲートと、
薬学的に許容される塩または担体とを含む、薬学的組成物。 - Dが、オリゴヌクレオチド薬物(OD)であり、
各コンジュゲートの薬学的に許容される塩、水和物、溶媒和物、および金属キレートを含む、請求項45に記載のコンジュゲート。 - 前記ODが、24および27ヌクレオチドのRNA二本鎖、25および27ヌクレオチドのRNA二本鎖、または27および27ヌクレオチドのRNA二本鎖である、Dicer基質である、請求項47に記載のコンジュゲート。
- 組成が、
(i).前記ODが、前記E、E´、またはE´´部分のうちの1つのE部分に結合している、
(ii).前記ODが、互いに同一であっても異なっていてもよい、前記E、E´、またはE´´部分のうちの2つのE部分に結合している、
(iii).前記ODは、互いに同一であっても異なっていてもよい、前記E、E´、またはE´´部分のうちの3つのE部分に結合している、および、
(iv).前記ODは、互いに同一であっても異なっていてもよい、前記E、E´、またはE´´部分のうちのいくつかの(n>3)E部分に結合している、からなる群から選択され、
各コンジュゲートについて、
前記E、E´、またはE´´部分は、RまたはR´部分にも結合してもよく、
前記RまたはR´部分は、請求項1において定義したとおりである、請求項47に記載のコンジュゲート。 - 前記ODが、そのオリゴヌクレオチド鎖に沿った内部位置に少なくとも1つのE部分を含む、siRNAまたはdsiRNAであり、
前記内部位置が、前記オリゴヌクレオチド鎖の12位または14位であり、それぞれのヌクレオチドを置換するか、またはヌクレオチド配列に付加される、請求項47に記載のコンジュゲート。 - 下記の式(Cn−1)または(Cn−2)に示す構造を有し、
前記E、E´、またはE´´部分が、各々、式(II)、(III)、(IV)、(V)、(VI)、(VII)、(VIII)、(VIII−H)、(VIII−M)、(IX)、(X)、(XI)、(XII)、(XIIa)、(XIII)、(XIIIa)、(XIV)、(XIV−H)、(XIV−M)、(XV)、(XV−H)、(XV−M)、(XVI)、または(XVI−H)、(XVI−M)に示す構造を有し、
各コンジュゲートの薬学的に許容される塩、水和物、溶媒和物、および金属キレートを含む、請求項47に記載のコンジュゲート。
- 薬物を、培養物中の生体細胞、または生きている動物若しくはヒト対象中の生体細胞に送達するための方法であって、
前記生体細胞を、請求項45に記載のコンジュゲート、または請求項46に記載の薬学的組成物と接触させるステップを含む、方法。 - 薬物を、リン脂質膜を横切って送達する方法であって、
前記薬物を、式(II)、(III)、(IV)、(V)、(VI)、(VII)、(VIII)、(VIII−H)、(VIII−M)、(IX)、(X)、(XI)、(XII)、(XIIa)、(XIII)、(XIIIa)、(XIV)、(XIV−H)、(XIV−M)、(XV)、(XV−H)、(XV−M)、(XVI)、(XVI−H)、または(XVI−M)のいずれかに示す構造を有するE、E´、またはE´´部分に結合させてコンジュゲートを作成するステップと、
前記コンジュゲートを、前記リン脂質膜に接触させるステップと、を含む、方法。 - 医学的障害を治療する方法であって、
治療有効量の請求項46に記載の薬学的組成物を、治療を必要とする患者に投与するステップを含む、方法。 - リン脂質膜におけるエンドサイトーシスおよび/またはフリップフロップを誘導する方法であって、
前記リン脂質膜を、本発明のコンジュゲートのいずれかと接触させるステップを含む、方法。
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