JP2014513737A - 架橋ポリ−ε−リシン粒子 - Google Patents
架橋ポリ−ε−リシン粒子 Download PDFInfo
- Publication number
- JP2014513737A JP2014513737A JP2014505646A JP2014505646A JP2014513737A JP 2014513737 A JP2014513737 A JP 2014513737A JP 2014505646 A JP2014505646 A JP 2014505646A JP 2014505646 A JP2014505646 A JP 2014505646A JP 2014513737 A JP2014513737 A JP 2014513737A
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- Prior art keywords
- polymer
- lysine
- poly
- particles
- support
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- 239000002245 particle Substances 0.000 title claims abstract description 79
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- 108090000765 processed proteins & peptides Proteins 0.000 claims abstract description 24
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- 239000002904 solvent Substances 0.000 claims abstract description 13
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- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 66
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 51
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 description 40
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- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 15
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- FPQQSJJWHUJYPU-UHFFFAOYSA-N 3-(dimethylamino)propyliminomethylidene-ethylazanium;chloride Chemical compound Cl.CCN=C=NCCCN(C)C FPQQSJJWHUJYPU-UHFFFAOYSA-N 0.000 description 12
- 125000003277 amino group Chemical group 0.000 description 12
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- 238000006116 polymerization reaction Methods 0.000 description 12
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- CLZISMQKJZCZDN-UHFFFAOYSA-N [benzotriazol-1-yloxy(dimethylamino)methylidene]-dimethylazanium Chemical compound C1=CC=C2N(OC(N(C)C)=[N+](C)C)N=NC2=C1 CLZISMQKJZCZDN-UHFFFAOYSA-N 0.000 description 9
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Abstract
Description
1. 粒子表面の加水分解(−COOHを生成する)
中空のポリマー粒子(500cm3、Akzo Nobel−Expancel、等級920 DEX80)を1dm3のポリプロピレンのビンに入れ、水酸化ナトリウム溶液(4:1v/v水/メタノール、500cm3中100g)で覆った。混合物をローラー上に室温で一晩放置した。
上で調製したDEX80粒子(50cm3、−COOH官能性)を丸底フラスコに入れ、ポリ−ε−リシン(10g、−NH251.5mmol)、ニトリロ三酢酸(2.64g、COOH41.5mmol)およびN−メチルモルホリン(4.2g、41.5mmol)の溶液(100cm3)中に懸濁させた。このスラリーを、SPAN80(2%w/v)を含有するジクロロメタン(DCM)(250cm3)中に急速撹拌しながら分散させた。DCM(250cm3)中の1−(3−ジメチルアミノプロピル)−3−エチルカルボジイミド塩酸塩(EDCI)(23.9g、125mmol)の溶液を添加し、重合を2時間進行させた。
上で調製したDEX80粒子(50cm3、−COOH官能性)を丸底フラスコに入れ、ポリ−ε−リシン(10g、−NH251.5mmol)、HOOCCH2CH2CONHCH2CH2OCH2CH2OCH2CH2OCH2CH2NHCO CH2CH2COOH(4.99g、COOH26.7mmol)、およびN−メチルモルホリン(2.7g、26.7mmol)の溶液(100cm3)中に懸濁させた。このスラリーを、SPAN80(5%w/v)を含有するトルエン(250cm3)中に急速撹拌しながら分散させた。EDCI(10g、52mmol)のDCM(250cm3)溶液を添加し、重合を1.5時間進行させた。
1. カップリング剤のカップリング
4−ヒドロキシメチルフェノキシ酢酸(HMPA)(0.5g、3mmol)を、N,N−ジメチルホルムアミド(DMF)(10cm3)中のDIC(0.5g、4mmol)およびHOBt(0.81g、6mmol)を使用して、上の実施例1.2で調製した架橋ポリ−ε−リシン(1.1g、0.9mmol)にカップリングした。
Fmoc−Gly−OH(0.89g、3mmol)を、N,N−ジメチルホルムアミド(DMF)(10cm3)中のDIC(0.5g、4mmol)およびDMAP(12mg、0.1mmol)を使用して、上で調製したHMPA−ポリマーに60分間カップリングした。
Fmoc−Asn(Trt)−OH(1.492g、2.5mmol)および2−(1H−ベンゾトリアゾール−1−イル)−N,N,N’,N’−テトラメチルウロニウムテトラフルオロボラート(TBTU)(0.763g、2.38mmol)をDMF(5cm3)に溶解した。4−メチルモルホリン(NMM)(0.412cm3、3.7mmol)を添加し、混合物を2〜3分間予備活性化させた後に、上のH−Gly−HMPA−ポリマーに添加した。
Fmoc−Ile−OH(0.884g、2.5mmol)およびTBTU(0.763g、2.38mmol)をDMF(5cm3)に溶解した。NMM(0.412cm3、3.7mmol)を添加し、混合物を2〜3分間予備活性化させた後に、上のペプチド−HMPA−ポリマーに添加した。
Fmoc−Tyr(tBu)−OH(1.149g、2.5mmol)およびTBTU(0.763g、2.38mmol)を、DMF(5cm3)に溶解した。NMM(0.412cm3、3.7mmol)を添加し、混合物を2〜3分間予備活性化させた後に、上のペプチド−HMPA−ポリマーに添加した。
Fmoc−Asp(OtBu)−OH(1.029g、2.5mmol)およびTBTU(0.763g、2.38mmol)を、DMF(5cm3)に溶解した。NMM(0.412cm3、3.7mmol)を添加し、混合物を2〜3分間予備活性化させた後に、上のペプチド−HMPA−ポリマーに添加した。
Fmoc−Ile−OH(0.884g、2.5mmol)およびTBTU(0.763g、2.38mmol)をDMF(5cm3)に溶解した。NMM(0.412cm3、3.7mmol)を添加し、混合物を2〜3分間予備活性化させた後に、上のペプチド−HMPA−ポリマーに添加した。
Fmoc−Ala−OH(0.823g、2.5mmol)およびTBTU(0.763g、2.38mmol)をDMF(5cm3)に溶解した。NMM(0.412cm3、3.7mmol)を添加し、混合物を2〜3分間予備活性化させた後に、上のペプチド−HMPA−ポリマーに添加した。
Fmoc−Ala−OH(0.823g、2.5mmol)およびTBTU(0.763g、2.38mmol)を、DMF(5cm3)に溶解した。NMM(0.412cm3、3.7mmol)を添加し、混合物を2〜3分間予備活性化させた後に、上のペプチド−HMPA−ポリマーに添加した。
Fmoc−Gln(Trt)−OH(1.607g、2.5mmol)およびTBTU(0.763g、2.38mmol)を、DMF(5cm3)に溶解した。4−メチルモルホリン(NMM)(0.412cm3、3.7mmol)を添加し、混合物を2〜3分間予備活性化させた後に、上のペプチド−HMPA−ポリマーに添加した。
Fmoc−Val−OH(0.848g、2.5mmol)およびTBTU(0.763g、2.38mmol)を、DMF(5cm3)に溶解した。NMM(0.412cm3、3.7mmol)を添加し、混合物を2〜3分間予備活性化させた後に、上のペプチド−HMPA−ポリマーに添加した。
水(2.5%v/v)を含有するトリフルオロ酢酸(TFA)(20cm3)およびトリイソプロピルシラン(TIPS)(2.5%v/v)を、上で調製したペプチド−HMPA−ポリマー(0.93g)に添加した。混合物を2時間放置して切断した。
実施例2の操作を、架橋ポリマーを使用して繰り返した。実施例2で上述した通りのACP(64〜75)を、実施例1.3で調製した架橋ポリ−ε−リシン上で調製すると、すべてのカップリングを1時間に制限したときであっても、同様の質のペプチドを生成した。
rプロテインAの架橋ポリ−ε−リシンへのカップリング
ポリマー支持体上のアミンをカルボン酸基に変換するために、0.1mmol/gのアミン配合量(0.2g)を有する架橋ポリ−ε−リシンを、水(5cm3)中のグルタル酸無水物(2g)で一晩処理した(得られたポリマーはニンヒドリンに陰性であった)。ポリマー支持体を、焼結ガラス上で水(5×10cm3)で洗浄した。モルホリノエタンスルホン酸(MES)緩衝液(25mmol/dm3、pH5.0、3×20cm3)を使用してポリマー支持体を洗浄した後に、タンパク質カップリングを行った。
ポリ−ε−リシン(42.88g、アミン含有量250mmol)、セバシン酸(12.64g、カルボキシル含有量125mmol)およびNaOH(5.5g、137.5mmol)を水(208cm3)に溶解し、次いで1.5%m/vSPAN80を含有するジクロロメタン(DCM)(1.25dm3)中に急速撹拌しながら分散させた。
実施例5で調製したポリマー微小球(2g)の試料を計量してポリプロピレンのビンに入れた。グルタル酸無水物(6g)をメタノール(20cm3)およびN−メチルモルホリン(6cm3)の溶液に溶解し、ポリマーに添加し、ロール機上に24時間置いた。
ポリ−ε−リシン(40g、アミン含有量206mmol)、NTA(10.96g、カルボキシル含有量172mmol)およびN−メチルモルホリン(17.37g、172mmol)を水(140cm3)に溶解し、次いで2%m/vSPAN80を含有するジクロロメタン(DCM)(750cm3)中に急速撹拌しながら分散させた。
上の実施例7で調製したポリマー微小球(10g、10mmol)の一部を、ポリプロピレンのビン内で、水で膨潤させた。EDCI(19.17g、100mmol)およびNTA(19.1g、100mmol)の水(約100cm3)溶液を調製し、膨潤した微小球に添加した。混合物を、ロールミル上に一晩放置し、NTAでのキャッピングを完了させた。
ポリ−ε−リシン(42.88g、アミン含有量250mmol)、EDTA(9.13g、カルボキシル含有量125mmol)を水(200cm3)に溶解し、次いで2%m/vSPAN80を含有するジクロロメタン(DCM)(750cm3)中に急速撹拌しながら分散させた。
上の実施例9で調製したポリマー微小球(10g、10mmol)の一部を、ポリプロピレンのビン内で、水で膨潤させた。EDCI(19.17g、100mmol)およびEDTA(29.2g、100mmol)の水(約100cm3)溶液を調製し、膨潤した微小球に添加した。混合物を、ロールミル上に一晩放置し、EDTAでのキャッピングを完了させた。
DEX80中空粒子(50cm3)を丸底フラスコに入れ、ポリ−ε−リシン(10g、−NH251.5mmol)、セバシン酸(2.6g、COOH25.75mmol)およびN−メチルモルホリン(2.6g、25.75mmol)の溶液(100cm3)中に懸濁させた。超常磁性酸化鉄ナノ粒子(1g、粒径50nm)を添加し、このスラリーを、SPAN80(2%w/v)を含有するジクロロメタン(DCM)(250cm3)中に急速撹拌しながら分散させた。EDCI(23.9g、125mmol)のDCM(250cm3)溶液を添加し、重合を2時間進行させた。
超常磁性酸化鉄ナノ粒子(3g、粒径50nm)を、厚肉ガラス管に移した。クエン酸の飽和水溶液を添加し、混合物を30分間40℃で超音波処理した。デカンテーションの間に粒子を保持するのに磁気特性を使用して、ナノ粒子を水(10×30cm3)で洗浄した。
シリカ粒子(10g、Kromasil、10μm、孔径1000Å)をアミノプロピルトリメトキシシランのMeOH/水(50cm3、1%w/v、10%水)溶液に懸濁させ、5〜10分混合し、次いでMeOHおよびDMFで洗浄し、その後ポリプロピレンのビンに移した。DMF(50cm3)を添加し、その後グルタル酸無水物(5g)およびN−メチルモルホリン(10cm3)を添加した。混合物をローラーミキサー上に一晩放置した。
Claims (17)
- 架橋ポリ−ε−リシンポリマー。
- アミド結合によって連結された、ポリ−ε−リシンと架橋剤とを含む、請求項1に記載のポリマー。
- ポリ−ε−リシンのアルファ炭素アミンと反応することができる少なくとも2つの官能基を含む架橋剤で架橋される、請求項1または2に記載のポリマー。
- 架橋剤が、2つ以上のカルボン酸基と、該2つ以上の基を連結する脂肪族鎖とを含む、請求項1〜3のいずれか一項に記載のポリマー。
- 水および他の溶媒に不溶性である、請求項1〜4のいずれか一項に記載のポリマー。
- 粒状の形状である、請求項1〜5のいずれか一項に記載のポリマー。
- 請求項1〜6のいずれか一項に記載の架橋ポリ−ε−リシンポリマーを含む、粒状支持体。
- 架橋ポリ−ε−リシン支持体が、球状、楕円状または不規則形状の粒子である、請求項7に記載の粒状支持体。
- 架橋ポリ−ε−リシン支持体が粒子を直接的にまたは間接的にコーティングするために使用される、請求項7または8に記載の粒状支持体。
- 架橋ポリ−ε−リシン支持体が、粒子をコーティングするために使用され、粒子に共有結合される、請求項7〜9のいずれか一項に記載の粒状支持体。
- 架橋ポリ−ε−リシンが、有機ポリマー粒子をコーティングするために使用される、請求項7〜10のいずれか一項に記載の粒状支持体。
- 架橋ポリ−ε−リシンが、無機ポリマー粒子をコーティングするために使用される、請求項7〜10のいずれか一項に記載の粒状支持体。
- 架橋ポリ−ε−リシンが官能化されて、触媒、ペプチド合成の開始剤種、オリゴヌクレオチド合成の開始剤種、固相有機合成の開始剤種、薬学的活性物質、農薬的活性物質、クロマトグラフ分離用の表面、細胞培養または分化を促進するための種、タンパク質または他の生体巨大分子を含む材料をもたらす、請求項7〜12のいずれかに記載の架橋ポリ−ε−リシンベースの粒状支持体。
- 請求項1〜6のいずれか一項に記載のポリマーもしくは請求項7〜13のいずれか一項に記載の粒状支持体、および創傷を治療するための成分もしくは組成物、ならびに/または治療剤を含む、創傷治療製品。
- 請求項7〜13のいずれか一項に記載の粒状支持体を含み、かつ該支持体に結合したまたは保持される機能材料を含む、医学的診断薬。
- 機能材料が、ポリマーによって担持される酵素を含む、請求項14に記載の医学的診断薬。
- ペプチド、オリゴヌクレオチド、オリゴ糖の固相合成;固相抽出;固相有機化学;固相試薬、金属触媒および他の触媒、生体触媒、酵素、タンパク質、ポリクローナル抗体およびモノクローナル抗体を含めた抗体、細胞全体ならびにポリマーから選択される種の固定化;細胞培養;クロマトグラフ分離用固定相の調製から選択されるプロセスにおける、あるいは吸収剤としてまたは徐放製品用の生分解性担体として使用するための、請求項7〜13のいずれか一項に記載の粒状支持体の使用。
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JP2018510856A (ja) * | 2015-03-03 | 2018-04-19 | スフィリテック・リミテッド | 微粒子 |
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JP2018510856A (ja) * | 2015-03-03 | 2018-04-19 | スフィリテック・リミテッド | 微粒子 |
JP2021059559A (ja) * | 2015-03-03 | 2021-04-15 | スフィリテック・リミテッド | 微粒子 |
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