JP2010505941A - 上皮細胞成長因子の活性を有するペプチド及びその用途 - Google Patents
上皮細胞成長因子の活性を有するペプチド及びその用途 Download PDFInfo
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Abstract
[一般式1]
Cys−Met−Tyr−Ile−Glu−リンカー−Arg−Gly−Asp
本発明のEGFミミックペプチドは、天然のヒトEGFと同一な機能または作用をすることができ、細胞内で天然の自己分泌(autocrine)EGFの生成を促進することができる。また、本発明のペプチドは、安定性が天然EGFと比較して非常に高く、皮膚透過度に非常に優れている。したがって、本発明のペプチドを含む組成物は、EGF活性が要求される疾患または状態を治療、予防または改善するにおいて、非常に優れた効能を発揮して、医薬、医薬外品及び化粧品に非常に有利に適用できる。
【選択図】図7
Description
[一般式1]
Cys−Met−Tyr−Ile−Glu−リンカー−Arg−Gly−Asp
[一般式2]
Cys−Met−Tyr−Ile−Glu−Gly(n)−Arg−Gly−Asp−Gly
(式中、nは、2〜8の整数を示す。)
(i)本発明のEGF−ミミックペプチドは、天然のヒトEGFと同一な機能または作用をすることができる。
(ii)本発明のペプチドは、細胞内で天然の自己分泌(autocrine)EGFの生成を促進することができる。
(iii)本発明のペプチドは、安定性が天然EGFと比較して非常に優れており、皮膚透過度に非常に優れている。
(iv)したがって、本発明のペプチドを含む組成物は、EGF活性が要求される疾患または状態を治療、予防または改善するに非常に優れた効能を発揮する。
(v)上述の本発明のペプチドの優れた活性及び安定性は、医薬、医薬外品及び化粧品に非常に有利に適用できるようにする。
クロロトリチルクロライドレジン(chloro trityl chloride resin;CTL resin, Nova Biochem Cat No. 01-64-0021)700mgを反応容器に入れて、メチレンクロライド(MC)10mlを加えて3分間攪拌した。溶液を除去し、ジメチルホルムアミド(DMF)を10ml入れて3分間攪拌した後、再び溶媒を除去した。反応器に10mlのメチレンクロライド溶液を入れて、Fmoc-Gly-OH(Nava Biochem, USA)200mmole及びDIEA(N,N’-Diisopropyl ethylamine)400mmoleを入れた後、攪拌してよく溶かして、1時間攪拌しながら反応させた。反応後、洗浄して、メタノールとDIEA(2:1)をMCに溶解してレジンと10分間反応した後、過量のMC/DMF(1:1)で洗浄した。溶液を除去し、ジメチルホルムアミド(DMF)を10ml入れて3分間攪拌した後、再び溶媒を除去した。脱保護溶液(20%のピペリジン/DMF)10mlを反応容器に入れて、10分間常温で攪拌した後、溶液を除去した。同量の脱保護溶液を入れて、再び10分間反応を維持した後、溶液を除去し、DMFで2回、MCで1回、再びDMFで3分間1回洗浄して、Gly-CTLレジンを製造した。新しい反応器に10mlのDMF溶液を入れて、Fmoc-Asp(tBu)-OH(Nova Biochem、米国)200mmole、HoBt 200mmole及びBop 200mmoleを入れた後、攪拌してよく溶解させた。反応器に400mmoleのDIEAを分画で2回にかけて入れて、全ての固体が溶解されるまで少なくとも5分間攪拌した。溶解されたアミノ酸混合溶液を、脱保護されたレジンが入っている反応容器に入れて、1時間常温で攪拌しながら反応させた。反応液を除去し、DMF溶液で5分間ずつ3回攪拌した後、未反応溶媒を除去した。反応レジンを少量取って、カイザーテスト(Ninhydrine test)を利用して反応程度を点検した。脱保護溶液で上記と同様に2回脱保護反応し、Asp(tBu)-Gly-CTL resinを製造した。DMFとMCで十分洗浄し、再びカイザーテストを行った後、上記と同様に下記のアミノ酸付着実験を行った。即ち、上記一般式1に記載のアミノ酸配列に基づき、Fmoc-Gly, Fmoc-Arg(pbf), Fmoc-Gly(n回), Fmoc-Glu(tBu), Fmoc-Ile, Fmoc-Tyr(tBu), Fmoc-Met及びFmoc-Cys(trt)の順に連鎖反応を行った。但し、中間のGlyは、ペプチド別にそれぞれ2回反復から8回反復まで多様な残基数で合成を行い、合計7種のペプチジルレジンを製造した。
実施例1で製造及び精製されたトリデカペプチドの安定性を確認するために、10μg/mlとなるように、トリデカペプチドを50 mM Tris-HCl (pH 8.0)緩衝溶液に溶解した。対照群として、1μg/mlの濃度で大腸菌から生産された組換えEGF(Sigma)を同一緩衝溶液に用意した。用意した溶液をガラスバイアルに入れて、37℃で静置した。37℃で静置された溶液を、0、1、10、25、50、75、そして100日目にサンプリングして、NIH-3T3 cell (Korean Cell Line Bank)に対するMTT分析(Scudiero, D. A., et al. Cancer Res. 48:4827-4833(1988))を行って、残っているペプチドとEGFの活性を測定した(図2)。この時、0日のサンプル活性を100%と基準した。
前記実施例1から得られたトリデカペプチド50mgを正確に秤量した後、蒸留水500mlで十分に攪拌して溶解した。ペプチド溶液を、レシチン5g、オレイン酸ナトリウム(sodium oleate)0.3ml、エタノール50ml及び少量のオイルと共に混合した後、総量が1Lとなるように蒸留水で調節した後、マイクロ流動化装置(microfluidizer)を利用して高圧で乳化し、大きさ100nm程度のナノソームを製造した。製造されたナノソームは、最終濃度が約50ppmであって、化粧品製造用に使用した。
前記実施例3で製造されたトリデカペプチドナノソームを含み、下記組成からなる柔軟化粧水を、一般的な化粧水製造方法により製造した。
前記実施例3で製造されたトリデカペプチドナノソームを含み、下記組成からなる栄養クリームを、一般的な栄養クリームの製造方法により製造した。
前記実施例3で製造されたトリデカペプチドナノソームを含み、下記組成からなる栄養化粧水を、一般的な化粧水製造方法により製造した。
前記実施例3で製造されたトリデカペプチドナノソームを含み、下記組成からなるエッセンスを、一般的なエッセンス製造方法により製造した。
本発明のペプチドに対する角質細胞の成長効果を分析するために、Rizzinoらの方法(Rizzino, et al. Cancer Res., 48:4266(1988))などを参照し、HaCaT角質細胞株を利用したSRB(Sulforhodamine B)の比色法を利用して測定した。HaCaT角質細胞株(The Korean Cell Line Bank)を、100%FBS(fetal bovine serum)の含有されたEMEM(Eagle's minimal essential media, Gibco, U.S.A.)が入っている250ml容量の組織培養用フラスコを利用して培養した。培養されたHaCaT角質細胞株を、0.25%トリプシン溶液で培養容器の底から取り外した後、遠心分離して細胞沈殿物のみを集めた。これを、FBSが含有されていないEMEM培養液に再び懸濁した後、96ウェル組織培養用平板に、各ウェル当たり4×103細胞となるように入れて、24時間37℃、7%CO2条件下で培養した。24時間後、血清を完全に排除した同一な培養液で培地を入れ替えた後、標準を取るための空試料、ヒトのEGF、トリ−デカペプチドを、水と10%DMSOに滅菌状態で溶解した後、10ngと1,000ngの濃度で72時間、上記の同一条件で培養した。培養が完了した後、培養上澄み液を除去して、PBSで1回洗浄した。洗浄溶液を除去した後、比色SRB溶液(Sigma)で処理し、PBSで十分洗浄した後、顕微鏡で細胞を観察して、生存細胞の状態を観察し(図3)、紫外線590nmで吸光度を測定して、細胞の生存状態を測定した(図4)。また、細胞の培養皿への付着能力を確認するために、何も処理しなかった60mm培養皿と予めペプチドを処理して準備した培養皿にヒトの角質細胞を24時間培養した後、付着される細胞を顕微鏡で検鏡した。ペプチドを処理した培養皿に約3倍近い細胞が付着されることが分かった(図5)。
本発明のペプチドの化粧品としての有用性と生体内効能を調べるために、上記の剤形例2で製造した栄養クリームをマウス皮膚に適用させた。
Claims (22)
- 下記の一般式1で表されるアミノ酸配列を含み、上皮細胞成長因子(EGF)活性を示すペプチド。
[一般式1]
Cys−Met−Tyr−Ile−Glu−リンカー−Arg−Gly−Asp - 前記リンカーは、複数のアミノ酸残基からなるリンカーであることを特徴とする、請求項1に記載のペプチド。
- 前記リンカーは、2〜10個のGly残基からなっていることを特徴とする、請求項2に記載のペプチド。
- 前記ペプチドのN−末端及びC−末端にあるアミノ酸残基の少なくとも一つは、アセチル基、フルオレニルメトキシカルボニル基、ホルミル基、パルミトイル基、ミリスチル基、ステアリル基及びポリエチレングリコール(PEG)からなる群から選択される保護基が結合されていることを特徴とする、請求項1に記載のペプチド。
- 前記ペプチドのC−末端に位置したAsp残基には、保護基としてAlaまたはGlyアミノ酸が追加的に結合されたことを特徴とする、請求項1に記載のペプチド。
- 前記ペプチドは、下記の一般式2のアミノ酸配列を含むことを特徴とする、請求項5に記載のペプチド。
[一般式2]
Cys−Met−Tyr−Ile−Glu−Gly(n)−Arg−Gly−Asp−Gly
(式中、nは、2〜8の整数を示す。) - 上皮細胞成長因子(EGF)活性を示す請求項1乃至6のいずれかに記載のペプチドを有効成分として含む上皮細胞成長因子−有効性(epidermal growth factor-effective)の疾患または状態(conditions)の予防または治療用組成物。
- 前記組成物は、(a)請求項1乃至6のいずれかに記載のペプチドの薬剤学的有効量、及び(b)薬剤学的に許容される担体を含む薬剤学的組成物であることを特徴とする、請求項7に記載の組成物。
- 前記組成物は、(a)請求項1乃至6のいずれかに記載のペプチドの化粧品学的有効量(cosmetically effective amount)、及び(b)化粧品学的に許容される担体を含む化粧品組成物であることを特徴とする、請求項7に記載の組成物。
- 前記組成物は、天然のEGFの生産を促進することにより、細胞増殖の促進、分裂促進、上皮細胞の生理活性促進、血管形成の促進、神経再生の促進、傷の治癒、血栓症の治療、動脈硬化症の治療、コラーゲン、エラスチン、ラミニン合成促進、歯周疾患の治療、または皮膚状態の改善の効能または活性を有することを特徴とする、請求項7に記載の組成物。
- 前記組成物は、皮膚状態の改善の効能または活性を有することを特徴とする、請求項10に記載の組成物。
- 前記皮膚状態の改善は、シワの改善、皮膚弾力の改善、皮膚老化の防止、脱毛の防止または発毛促進、アトピー疾患の治療、皮膚保湿の改善、シミの除去またはニキビの治療であることを特徴とする、請求項11に記載の組成物。
- 上皮細胞成長因子(EGF)活性を示す請求項1乃至6のいずれかに記載のペプチドを有効成分として含む組成物を哺乳動物に投与する段階を含む上皮細胞成長因子−有効性(epidermal growth factor-effective)の疾患または状態(conditions)の予防または治療方法。
- 前記組成物は、(a)請求項1乃至6のいずれかに記載のペプチドの薬剤学的有効量、及び(b)薬剤学的に許容される担体を含む薬剤学的組成物であることを特徴とする、請求項13に記載の方法。
- 前記組成物は、(a)請求項1乃至6のいずれかに記載のペプチドの化粧品学的有効量(cosmetically effective amount)、及び(b)化粧品学的に許容される担体を含む化粧品組成物であることを特徴とする、請求項13に記載の方法。
- 前記組成物は、天然のEGFの生産を促進することにより、細胞増殖の促進、分裂促進、上皮細胞の生理活性促進、血管形成の促進、神経再生の促進、傷の治癒、血栓症の治療、動脈硬化症の治療、コラーゲン、エラスチン、ラミニン合成促進、歯周疾患の治療、または皮膚状態の改善の効能または活性を有することを特徴とする、請求項13に記載の方法。
- 前記組成物は、皮膚状態の改善の効能または活性を有することを特徴とする、請求項16に記載の方法。
- 前記皮膚状態の改善は、シワの改善、皮膚弾力の改善、皮膚老化の防止、脱毛の防止または発毛促進、アトピー疾患の治療、皮膚保湿の改善、シミの除去またはニキビの治療であることを特徴とする、請求項17に記載の方法。
- 上皮細胞成長因子−有効性(epidermal growth factor-effective)の疾患または状態(conditions)の予防または治療用薬物(medicament)を製造するための請求項1乃至6のいずれかに記載のペプチドの用途(use)。
- 前記組成物は、天然のEGFの生産を促進することにより、細胞増殖の促進、分裂促進、上皮細胞の生理活性促進、血管形成の促進、神経再生の促進、傷の治癒、血栓症の治療、動脈硬化症の治療、コラーゲン、エラスチン、ラミニン合成促進、歯周疾患の治療、または皮膚状態の改善の効能または活性を有することを特徴とする、請求項19に記載の用途。
- 前記組成物は、皮膚状態の改善の効能または活性を有することを特徴とする、請求項20に記載の用途。
- 前記皮膚状態の改善は、シワの改善、皮膚弾力の改善、皮膚老化の防止、脱毛の防止または発毛促進、アトピー疾患の治療、皮膚保湿の改善、シミの除去またはニキビの治療であることを特徴とする、請求項21に記載の用途。
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KR100824396B1 (ko) | 2008-04-22 |
JP4942818B2 (ja) | 2012-05-30 |
WO2008044846A1 (en) | 2008-04-17 |
EP2078035A4 (en) | 2010-09-08 |
CN101522708A (zh) | 2009-09-02 |
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