JP5654730B2 - 高活性の増殖因子変異体 - Google Patents
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Description
本明細書で用いる「シスチンノットドメイン」とは、ヒトGDF−5などのTGF−βスーパーファミリータンパク質の成熟部分に存在し、シスチンノットとして知られる三次元タンパク質構造を形成する、公知の保存されたシステインリッチのアミノ酸領域を意味する。このドメインにおいては、システイン残基同士のそれぞれの位置が重要であり、生物学的活性を失わないためにはわずかな変化しか許されない。シスチンノットドメインのコンセンサス配列は当技術分野において公知である。本明細書の定義によれば、タンパク質のシスチンノットドメインは、それぞれのタンパク質のシスチンノットに関与する最初のシステイン残基から始まり、それぞれのタンパク質のシスチンノットに関与する最後のシステイン残基に続く該残基で終わる。例えば、ヒトGDF−5前駆体タンパク質(配列番号1)のシスチンノットドメインはアミノ酸400−501を含む(図1も参照されたい)。
(a)in vitroでのアルカリホスファターゼアッセイ(ALP)、例えば、Takuwaら (1989), Am. J. Physiol. 257, E797-E803に記載される;
(b)ドーパミン作動性ニューロンの生存率の上昇の測定、例えば、Krieglsteinら 1995 (J. Neuroscience Res. 42, 724-732) またはSullivanら 1997 (Neuroscience Letters 233, 73-76)に記載される;
(c)胎生期網膜からの神経線維の成長、例えば、WO97/03188に記載される;
(d)これらのタンパク質の血管新生能、in vivo角膜マイクロポケットモデルで確認され、例えば、Yamashitaら 1997 (Exp. Cell Research 235, 218-226)に記載される;
(e)GDF−5関連タンパク質が及ぼす筋芽細胞の最終分化への効果、例えばInadaら 1996 (Biochem Biophys Res Commun. 222, 317-322)に記載のように測定される;
(f)腱および靭帯に関するタンパク質の誘導能を測定するin vivo試験、例えば、Wolfmanら 1997, J. Clin. Invest. 100, 321-330に開示される;
(g)ホタルルシフェラーゼ遺伝子の上流に配置したSmad結合エレメントに基づくレポーター遺伝子アッセイを用いた、Smadの活性化によるシグナル伝達カスケードの測定、例えば、Noheら,2002. J Biol Chem. 277, 5330-5338に既に記載される。
(a)タンパク質の生物学的に活性な断片、
(b)タンパク質の元の配列に加えて付加的な配列を有するタンパク質構築物、
(c)上記(a)および(b)の任意の組合せ。
Thompson, J.D., Gibson, T.J., Plewniak, F., Jeanmougin, F.およびHiggins, D.G. (1997) The ClustalX windows interface: flexible strategies for multiple sequence alignment aided by quality analysis tools. Nucleic Acids Research 24:4876-4882
に詳細に記載されている。
Thompson, J.D., Higgins, D.G.およびGibson, T.J. (1994) CLUSTALW: improving the sensitivity of progressive multiple sequence alignment through sequence weighting, positions-specific gap penalties and weight matrix choice. Nucleic Acids Research 22:4673-4680
に詳細に記載されている。
(a)
または
(b)
または
(c)
[式中、
すべてのXは、任意のアミノ酸を表し、
Z1は、アラニン(A)、イソロイシン(I)、またはバリン(V)を表し、
Z2は、アラニン(A)、イソロイシン(I)、またはバリン(V)を表す]
のうちの1つに一致する配列を含む。
[式中、
X1は、アスパラギン(N)またはセリン(S)を表し、
X2は、アルギニン(R)またはリシン(K)を表し、
X3は、アラニン(A)、グルタミン(Q)、プロリン(P)またはセリン(S)を表し、
X4は、アスパラギン(N)またはアスパラギン酸(D)を表し、
X5は、アルギニン(R)またはリシン(K)を表し、
X6は、アスパラギン酸(D)またはグルタミン酸(E)を表し、
X7は、ロイシン(L)またはメチオニン(M)を表し、
X8は、イソロイシン(I)またはバリン(V)を表し、
X9は、アスパラギン酸(D)またはグルタミン酸(E)を表し、
X10は、ヒスチジン(H)、フェニルアラニン(F)またはチロシン(Y)を表し、
X11は、アスパラギン酸(D)またはグルタミン酸(E)を表し、
X12は、ロイシン(L)、メチオニン(M)またはバリン(V)を表し、
X13は、アスパラギン酸(D)またはグルタミン酸(E)を表し、
X14は、イソロイシン(I)またはロイシン(L)を表し、
X15は、イソロイシン(I)またはバリン(V)を表し、
X16は、アラニン(A)、アスパラギン(N)またはアスパラギン酸(D)を表し、
X17は、アルギニン(R)、アスパラギン(N)、アスパラギン酸(D)、グルタミン酸(E)、グリシン(G)またはセリン(S)を表し、
X18は、アラニン(A)、アスパラギン(N)、セリン(S)またはトレオニン(T)を表し、
X19は、アラニン(A)、メチオニン(M)またはトレオニン(T)を表し、
X20は、アラニン(A)またはプロリン(P)を表し、
X21は、セリン(S)またはトレオニン(T)を表し、
X22は、アラニン(A)、セリン(S)またはトレオニン(T)を表し、
X23は、アルギニン(R)またはリシン(K)を表し、
X24は、セリン(S)またはトレオニン(T)を表し、
X25は、フェニルアラニン(F)またはチロシン(Y)を表し、
X26は、イソロイシン(I)またはトレオニン(T)を表し、
X27は、アラニン(A)またはセリン(S)を表し、
X28は、アラニン(A)またはグリシン(G)を表し、
X29は、アスパラギン(N)またはリシン(K)を表し、
X30は、グルタミン酸(E)またはグルタミン(Q)を表し、
X31は、アスパラギン酸(D)またはグルタミン酸(E)を表し、
X32は、アラニン(A)、グルタミン(Q)、セリン(S)またはトレオニン(T)を表し、
Z1は、アラニン(A)、イソロイシン(I)またはバリン(V)を表し、
Z2は、アラニン(A)、イソロイシン(I)またはバリン(V)を表す]
のうちの1つに一致する配列を含む。
ML変異体の作製、発現および精製
ヒトGDF−5、ヒトGDF−6およびヒトGDF−7タンパク質の成熟部分をコードするDNAを、ヒトROB−C26骨原性細胞(Yamaguchiら 1991, Calcif. Tissue Int. 49, 221-225)からRT−PCR法によって単離し、その後原核生物のプラスミドベクターにライゲーションした。GDF−5、−6および−7の成熟部分において機能的に重要なアミノ酸残基を特定するために、部位特異的変異誘発によってこれらの配列に様々な単一変異を導入した。個々の変異体はすべて、Stratageneから入手したPfuTurbo(商標)DNAポリメラーゼおよびDPN Iエンドヌクレアーゼを含むQuickChange(商標)部位特異的変異誘発キットを用いて、製造業者の取扱説明書に従って作製した。
ALPアッセイによるin vitroでのML変異体の生物学的活性の測定
1×104個の骨原性/軟骨原性細胞株ATDC−5細胞を、96ウェルプレートに加えた細胞培養液(α−MEM、ペニシリン/ストレプトマイシン、2mM L−グルタミン、10%FCS)中で37℃、5%CO2、H2O飽和で一晩インキュベートした。翌日、指定されたリガンド濃度を用いて、細胞をGDF−5関連タンパク質およびその変異体で72時間刺激した。その後、細胞をPBS(リン酸緩衝生理食塩水)で洗浄した。100μLのアルカリ溶解バッファー1(0.1M グリシン、pH9.6、1%NP−40、1mM MgCl2、1mM ZnCl2)中で、室温にて1時間、細胞溶解を行った。その後、100μLのアルカリ溶解バッファー2を添加した(0.1M グリシン、pH9.6、1mM MgCl2、1mM ZnCl2+2mg/mL PNPP)。そのプレートを37℃、5%CO2、H2O飽和でインキュベートした。その後、100μLの30g/L NaOHによってALP反応を停止させ、最後に、自動マイクロプレートリーダーを用いて405nmでの光学密度を測定したが、その際ブランク値の引き算を考慮した。
in vivoでの異所性骨形成:rhGDF−5、rhGDF−5 M453V/M456VおよびBMP−2についてのSCIDマウスモデル
GDF−5関連タンパク質のML変異体の改善された骨誘導能についてもin vivoで検証した。βリン酸三カルシウムセラミックス(chronOS(登録商標)、Synthes/ RMS Foundation)を3×3×3.5mmの大きさの生体分解性の生体材料として用いた。増殖因子を次のように酢酸ナトリウムpH4に溶解した:rhGDF−5は7μl中10μgの濃度;rhGDF−5 M453V/M456Vは9μl中10μgの濃度。BMP−2(induct OS Wyeth(登録商標)、ロット番号20603)は最初に滅菌水中に3mg/mlの濃度で溶解し、次いで酢酸ナトリウムに7μl中10μgの濃度で溶解した。対照は7μlの酢酸ナトリウムで飽和させた。コーティングした後、足場を10分間乾燥させ、−20℃で保存した。移植に先立って、足場に10μlのフィブロネクチンを付着させた。本研究では、重症複合免疫不全マウス(SCID)(30+/−2g)を使用した。腹腔内全身麻酔のもとで、背中の1cmの切開を介して皮下ポケットを手短に作製した。付着させた足場をポケットに挿入した。単一の結節縫合で傷口を閉じた。4週間後、動物を犠牲にして足場を回収した。組織検査とμCTスキャン(μCT 80 SCANCO MEDICAL)を行った。組織検査の場合は、足場をパラフィンワックスに埋め込み、厚さ5μmの切片をアリザリンレッドS(0.5%)とファーストグリーン(0.04%)で染色して、足場内部の新しい構築カルシウムを検証した。
Claims (11)
- ヒト野生型GDF−5(配列番号1)の102アミノ酸からなるシスチンノットドメインに対して少なくとも75%同一であるアミノ酸配列を含む組換えタンパク質であって、
(a)ヒト野生型GDF−5(配列番号1)のメチオニン453(M453)に対応する位置にあるアミノ酸が、アラニン、バリン、もしくはイソロイシンであり、かつ
(b)ヒト野生型GDF−5(配列番号1)のメチオニン456(M456)に対応する位置にあるアミノ酸が、アラニン、バリン、もしくはイソロイシンであり、
該組換えタンパク質が、成熟GDF−5タンパク質と比較した際にインビトロでのアルカリホスファターゼアッセイにおいて少なくとも120%向上した生物学的活性を有することを特徴とする、
上記組換えタンパク質。 - 請求項1に記載のタンパク質をコードする核酸。
- 請求項2に記載の核酸を含んでなる発現ベクター。
- 請求項2記載の核酸または請求項3に記載の発現ベクターを含む宿主細胞。
- 請求項1に記載のタンパク質、および/または請求項2に記載の核酸、および/または請求項3に記載の発現ベクター、および/または請求項4に記載の宿主細胞を含んでなり、製薬上許容される補助剤および/または担体物質をさらに含んでいてもよく、また前記タンパク質および/または核酸および/またはベクターおよび/または宿主細胞が、生体適合性マトリックス材料の中に、またはその上に存在していてもよい、医薬組成物。
- 組織変性および/または組織破壊に関連した疾患を予防または治療するための、ならびに/あるいは骨、軟骨、結合組織、結合組織付着、腱、靭帯、脊椎/椎間板、半月板、歯組織、象牙質、歯周靭帯、血管、皮膚、毛髪もしくは神経組織の損傷に関連した障害または疾患を予防および/または治療するための、請求項5に記載の医薬組成物。
- 軟骨および/または骨の成長および/または脊椎固定を促進するための;感覚器官の組織、肝臓、膵臓、心臓、血管、腎臓、子宮および甲状腺の組織、皮膚、粘膜、内皮、上皮からなる群より選択される損傷したまたは罹患した組織を予防および/または治療するための;神経成長、組織再生、血管新生、潰瘍、熱傷、外傷および/または皮膚移植を含む創傷の治癒を引き出すための;前駆細胞および/または骨髄細胞の増殖を引き出すための;臓器もしくは組織移植用の組織または細胞を処理もしくは保存する目的で増殖状態または分化状態を維持するための;骨格要素への連結部に関する変性疾患を治療するための、かつ/または半月板および/または脊椎/椎間板を修復するための;神経変性疾患の予防および/または治療のための、請求項5または6に記載の医薬組成物。
- 神経変性疾患がパーキンソン病、アルツハイマー病、筋萎縮性側索硬化症(ALS)、多発性硬化症およびハンチントン病からなる群より選択され、ならびに/あるいは骨および軟骨の損傷に関連した疾患が骨粗鬆症である、請求項7に記載の医薬組成物。
- 請求項1に記載の組換えタンパク質の生成方法であって、請求項4に記載の宿主細胞を培養し、該核酸から発現される該タンパク質を単離することを含む、上記方法。
- 骨および/または軟骨の損傷に関連した疾患を予防および/または治療するための、あるいは骨および/または軟骨の疾患に作用するための、ならびに/あるいは腱および/または靭帯を含む結合組織、歯科インプラントを含む歯周組織または歯組織、CNS組織および神経病理学的状態を含む神経組織、感覚器官の組織、肝臓、膵臓、心臓、血管、腎臓、子宮および甲状腺の組織、皮膚、粘膜、内皮、上皮からなる群より選択される損傷したまたは罹患した組織を予防および/または治療するための治療用および/または予防用組成物の製造における、請求項1に記載のタンパク質、請求項2に記載の核酸、請求項3に記載の発現ベクターおよび/または請求項4に記載の宿主細胞の使用。
- 軟骨および/または骨の形成および/または脊椎固定の促進のための、ならびに/あるいは神経成長、組織再生、血管新生、潰瘍、熱傷、外傷および/または皮膚移植を含む創傷の治癒を引き出すための、ならびに/あるいは前駆細胞および/または骨髄細胞の増殖を引き出すための、ならびに/あるいは臓器もしくは組織移植用の組織または細胞を処理もしくは保存する目的で増殖状態または分化状態を維持するための、ならびに/あるいは胃腸管内壁の完全な状態のための、ならびに/あるいは受胎能力、避妊および/または妊娠の障害を治療するための、ならびに/あるいは骨格要素への連結部に関する適応症のための、かつ/または半月板および/または脊椎/椎間板を修復するための、ならびに/あるいはパーキンソン病、アルツハイマー病、およびハンチントン病からなる群より選ばれる神経変性疾患を予防および/または治療するための、ならびに/あるいは毛髪の成長を促進するための治療用および/または予防用組成物の製造における、請求項1に記載のタンパク質、請求項2に記載の核酸、請求項3に記載の発現ベクターおよび/または請求項4に記載の宿主細胞の使用。
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PCT/EP2006/011074 WO2007057212A1 (en) | 2005-11-18 | 2006-11-17 | High activity growth factor mutants |
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JP4938628B2 (ja) * | 2007-10-29 | 2012-05-23 | Hoya株式会社 | リン酸カルシウム系化合物、リン酸カルシウム系化合物/コラーゲン複合体及びリン酸カルシウム系細胞培養担体に付着又は吸着したエンドトキシンの抽出方法及び定量方法 |
EP2300610A1 (en) * | 2008-06-09 | 2011-03-30 | Wyeth LLC | Novel bmp-12-related proteins and methods of their manufacture |
EP2602264A1 (en) * | 2011-12-05 | 2013-06-12 | Biopharm Gesellschaft Zur Biotechnologischen Entwicklung Von Pharmaka mbH | GDF-5 mutant for inducing cartilage formation |
US8945872B2 (en) | 2013-01-25 | 2015-02-03 | Warsaw Orthopedic, Inc. | Methods of purifying human recombinant growth and differentiation factor-5 (rhGDF-5) protein |
US9051389B2 (en) | 2013-01-25 | 2015-06-09 | Warsaw Orthopedic, Inc. | Expression conditions and methods of human recombinant growth and differentiation factor-5 (rhGDF-5) |
US9359417B2 (en) | 2013-01-25 | 2016-06-07 | Warsaw Orthopedic, Inc. | Cell cultures and methods of human recombinant growth and differentiaton factor-5 (rhGDF-5) |
US8956829B2 (en) | 2013-01-25 | 2015-02-17 | Warsaw Orthopedic, Inc. | Human recombinant growth and differentiaton factor-5 (rhGDF-5) |
US9169308B2 (en) | 2013-01-25 | 2015-10-27 | Warsaw Orthopedic, Inc. | Methods and compositions of human recombinant growth and differentiation factor-5 (rhGDF-5) isolated from inclusion bodies |
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US6150328A (en) * | 1986-07-01 | 2000-11-21 | Genetics Institute, Inc. | BMP products |
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DE19525416A1 (de) | 1995-07-12 | 1997-01-16 | Bioph Biotech Entw Pharm Gmbh | Verwendung von MP52 zur Behandlung und Prävention von Erkrankungen des Nervensystems |
EP1439190A1 (en) | 1993-01-12 | 2004-07-21 | The Johns Hopkins University School Of Medicine | Growth differentiation factor-5 |
IL110589A0 (en) | 1993-08-10 | 1994-11-11 | Bioph Biotech Entw Pharm Gmbh | Growth/differentiation factor of the TGF- beta family |
EP0733109B9 (en) * | 1993-12-07 | 2006-07-05 | Genetics Institute, LLC | Bmp-12, bmp-13 and tendon-inducing compositions thereof |
WO1996014335A1 (en) | 1994-11-07 | 1996-05-17 | The Government Of The United States Of America, Asrepresented By The Secretary, Department Of Health And Human Services | Cartilage-derived morphogenetic proteins |
BR9608019A (pt) | 1995-04-19 | 1999-11-30 | Hoechst Japan | Uma nova proteína e um processo para a preparação da mesma' |
JPH0931098A (ja) | 1995-07-24 | 1997-02-04 | Hoechst Japan Ltd | 新規なタンパク質hmwヒトmp52 |
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JP2000119192A (ja) * | 1998-10-09 | 2000-04-25 | Aventis Pharma Ltd | 骨誘導因子アンタゴニスト活性を有する成熟型蛋白質 |
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US7148051B2 (en) | 2004-08-16 | 2006-12-12 | E. I. Du Pont De Nemours And Company | Production of 3-hydroxycarboxylic acid using nitrilase |
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DK1948689T3 (da) | 2012-07-23 |
AU2006314713B2 (en) | 2011-10-06 |
CY1112877T1 (el) | 2016-04-13 |
EP1948689B1 (en) | 2012-04-11 |
WO2007057212A1 (en) | 2007-05-24 |
CA2627370A1 (en) | 2007-05-24 |
US20080318860A1 (en) | 2008-12-25 |
US20150057223A1 (en) | 2015-02-26 |
US20120322729A1 (en) | 2012-12-20 |
ATE553123T1 (de) | 2012-04-15 |
SI1948689T1 (sl) | 2012-09-28 |
CA2627370C (en) | 2016-02-23 |
PT1948689E (pt) | 2012-05-09 |
PL1948689T3 (pl) | 2012-09-28 |
AU2006314713A1 (en) | 2007-05-24 |
EP1948689A1 (en) | 2008-07-30 |
US9200048B2 (en) | 2015-12-01 |
US8188226B2 (en) | 2012-05-29 |
JP2009519008A (ja) | 2009-05-14 |
ES2382464T3 (es) | 2012-06-08 |
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