JP4913751B2 - 新規cc−ケモカインアンタゴニスト - Google Patents
新規cc−ケモカインアンタゴニスト Download PDFInfo
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- JP4913751B2 JP4913751B2 JP2007547478A JP2007547478A JP4913751B2 JP 4913751 B2 JP4913751 B2 JP 4913751B2 JP 2007547478 A JP2007547478 A JP 2007547478A JP 2007547478 A JP2007547478 A JP 2007547478A JP 4913751 B2 JP4913751 B2 JP 4913751B2
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- C07K14/43504—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from invertebrates
- C07K14/43513—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from invertebrates from arachnidae
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- C07K14/43504—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from invertebrates
- C07K14/43513—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from invertebrates from arachnidae
- C07K14/43527—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from invertebrates from arachnidae from ticks
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- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Peptides Or Proteins (AREA)
Description
a)ChBP−59のアミノ酸配列(配列番号5)を含んでなるタンパク質;
b)成熟ChBP−59のアミノ酸配列(配列番号6)を含んでなるタンパク質;
c)ChBP−59−HISのアミノ酸配列(配列番号17)を含んでなるタンパク質;
d)成熟ChBP−59−HISのアミノ酸配列(配列番号18)を含んでなるタンパク質;
e)a)、b)、c)、又はd)のタンパク質をコード化する核酸配列と、適度にストリンジェントな条件下でハイブリダイゼーション可能な核酸分子であって、CC−ケモカインに結合するタンパク質をコード化する核酸分子により、コード化されるタンパク質;
f)a)、b)、c)、又はd)のタンパク質と少なくとも約70%のアミノ酸配列が同一であり、且つCC−ケモカインに結合するタンパク質;
g)a)、b)、c)、d)、e)、又はf)のタンパク質の断片であって、CC−ケモカインに結合して当該CC−ケモカインの活性を抑制する断片を含んでなるタンパク質;及び
h)a)、b)、c)、d)、e)、又はf)のタンパク質の断片であって、免疫調節活性を有する断片、又は免疫調節活性を有するタンパク質の断片を含んでなるタンパク質。
a)ChBP−59のアミノ酸配列(配列番号5)を有するタンパク質;
b)成熟ChBP−59のアミノ酸配列(配列番号6)を有するタンパク質;
c)ChBP−59−HISのアミノ酸配列(配列番号17)を有するタンパク質;
d)成熟ChBP−59−HISのアミノ酸配列(配列番号18)を有するタンパク質;
e)a)、b)、c)、又はd)のタンパク質の断片であって、CC−ケモカインと結合して当該CC−ケモカインの活性を抑制する断片を含んでなるタンパク質;及び
f)a)、b)、c)、又はd)のタンパク質の断片であって、哺乳類に投与された場合に免疫調節活性を有する断片を含んでなるタンパク質。
a)ChBP−59のアミノ酸配列(配列番号5)を含んでなるタンパク質をコード化する核酸分子;
b)成熟ChBP−59のアミノ酸配列(配列番号6)を含んでなるタンパク質をコード化する核酸分子;
c)ChBP−59−HISのアミノ酸配列(配列番号17)を含んでなるタンパク質をコード化する核酸分子;
d)成熟ChBP−59−HISのアミノ酸配列(配列番号18)を含んでなるタンパク質をコード化する核酸分子;
e)a)、b)、c)、又はd)の核酸分子と、適度にストリンジェントな条件下でハイブリダイゼーション可能な核酸分子であって、CC−ケモカインに結合するタンパク質をコード化する核酸分子;
f)a)、b)、c)、又はd)のタンパク質と少なくとも約70%のアミノ酸配列が同一であり、且つCC−ケモカインに結合するタンパク質をコード化する核酸分子;
g)a)、b)、c)、d)、e)、又はf)の核酸分子によりコード化されるタンパク質の断片であって、CC−ケモカインに結合する断片を含んでなるタンパク質をコード化する核酸分子;及び
h)a)、b)、c)、d)、e)、又はf)の核酸分子の変性変異体。
a)ChBP−59のアミノ酸配列(配列番号5)を有するタンパク質;
b)成熟ChBP−59のアミノ酸配列(配列番号6)を有するタンパク質;
c)ChBP−59−HISのアミノ酸配列(配列番号17)を有するタンパク質;
d)成熟ChBP−59−HISのアミノ酸配列(配列番号18)を有するタンパク質;
e)a)、b)、c)、又はd)のタンパク質の断片であって、CC−ケモカインに結合する断片を含んでなるタンパク質;
f)a)、b)、c)、又はd)のタンパク質の断片であって、免疫調節活性を有する断片を含んでなるタンパク質;
g)a)、b)、c)、又はd)のタンパク質の活性変異体であって、1又は2以上のアミノ酸残基が付加、欠失、又は置換されてなり、且つ、CC−ケモカインに結合する変異体;及び
h)膜結合タンパク質の細胞外ドメイン、免疫グロブリン定常部、多量体化ドメイン、シグナルペプチド、移行シグナル、及びタグ配列から選択される1又は2以上のアミノ酸配列に対して作動式に連結された、a)、b)、c)、d)、e)、f)、又はg)のタンパク質を含んでなる融合タンパク質:
a)本発明のDNA;及び
b)発現カセット
を含んでなるとともに、当該DNA(a)が、配列(b)に含まれる組織特異的、構成的、又は誘導性プロモーターと、作動式に結合されてなるものであってもよい。
a)核酸分子(例えばDNA);
b)オリゴヌクレオチド;
c)タンパク質;及び
d)抗体;
からなる群より選択される化合物とを少なくとも含んでなる。
a.クリイロコイタマダニ(Rhipicephalus sanguineus:common brown dog tick))の唾液におけるケモカイン結合活性のスクリーニング
ヒト胎児由来腎臓細胞293(HEK293細胞;ATCC Cat. No. CRC-1573)を、DMEM/F12培地(DMEM-F12 Nut Mix)、10%熱不活性化ウシ胎児血清、2mMのL−グルタミン、及び100ユニット/mlのペニシリン−ストレプトマイシン溶液中に保持した。
ダニクリイロコイタマダニの唾液について、これまで免疫調節活性、例えばIgG及びサイトカイン産生の抑制(Matsumoto K et al., 2003)や、T細胞増殖の抑制(Ferreira BR and Silva JS, 1998)等の特徴付けはなされているが、CC−ケモカインに特異的な活性は知られていなかった。
a.Gateway(登録商標)クローニングプロセスを用いた、発現ベクターpDEST8及びpEAK12dへのChBP−59cDNAのサブクローニング
pEAK12d-ChBP−59−HISによるトランスフェクションから6日後、HEK293−EBNA細胞からの細胞培養上澄(450ml)を採取し、0.3MNaCl及び10%(vol/vol)グリセロールを含有する2倍体積量の50mMリン酸ナトリウムバッファー(pH7.5)を用いて希釈した。このサンプルを0.22μmのフィルター膜で濾過した後、5mlのNi2+−NTAアガロース(Catalogue No: 30250; Qiagen)を有するSX16/10カラムに対し、Akta purifier system(Amersham Biosciences)を用いて、4℃において、1.7ml/minで供給した。非特異的結合物質を除去するため、カラムを1.5ml/minで洗浄した。洗浄には、0.3MNaCl、10%グリセロール(Catalogue No: 49781;Fluka)を含有する50mMリン酸ナトリウムバッファー(pH7.5)5カラム体積(Column Volume:CV)、次いで1%Tween−20(Catalogue No: 93773;Fluka)を含有する同バッファー50CV、そして最後にTween−20を含有しない同バッファー30CVを用いた。このカラムを2.5ml/minで、各5mlの分画に溶出した。溶出は0.3MNaCl、10%グリセロール、及び12.5mMイミダゾール(Catalogue No: 56749;Fluka)を含有する50mMリン酸ナトリウムバッファー(pH7.5)10CVを用い、その後の10CVで最大濃度250mMまでイミダゾール勾配をかけ、これを更に5CV維持した。
イラクサギンウワバ(Trichoplusa ni)昆虫細胞の市販株HighFive(Catalogue No: 10486;Invitrogen)を、Excell405培地(Catalogue No: 24405;JRH Biosciences)で培養した。この細胞に、発現プラスミドpDEST8-ChBP−59−HISから作成された、組み換えバキュロウイルスを感染させた。この培養上澄を採取し、500gで30分間遠心分離し、清澄化した。これらの細胞から総量で1200mlの上澄を採取し、0.3MNaCl及び10%グリセロールを含有する氷冷50mMNaPO4バッファー(pH7.5)7倍体積量を用いて希釈した後、続いて0.22μmフィルターにより濾過した。濾過及び希釈したサンプルを、15mlのNi2+NTAアガロース樹脂(Catalogue No: 30250;Qiagen)に通過させ、4℃にて、SX 26/10カラムに7ml/minで供給した。このカラムを2.5ml/minで洗浄した。洗浄には、0.3MNaCl及び10%グリセロールを含有する50mMリン酸ナトリウムバッファー(pH7.5)5CV、続いて1%Tween20(Catalogue No: 93772;Fluka)を含有する同バッファー50CV、そして最後にTween20を含有しない同バッファー30CVを用い、洗浄剤の残跡を全て除去した。非特異的結合物質を除去するべく、0.3MNaCl、10%グリセロール、及び12.5mMイミダゾールを含有する50mMリン酸ナトリウムバッファー(pH7.5)10CVを用いて、2.5ml/minでカラムを洗浄した。続いて、このカラムを2.5ml/minで、10CVで12.5mMから250mMまでイミダゾール濃度の線形勾配をかけながら溶出した。このカラムを250mMイミダゾールにより更に5CV溶出した。選択された分画を、SDS−PAGE、及び、抗ヒスチジンタグ抗体を用いたウエスタンブロッティングにより分析した。
カラム溶出液を、100mMDTTを含有する2×サンプルバッファー(Invitrogen)を用いて1:1で希釈し、5分間沸騰させた。このサンプルを、HISタグ化分子量標準(Catalogue No: LC5606;Invitrogen)とともに、10%ビス−トリスゲルを用い、MESバッファー中で、200V、35分間の電気泳動に供した。電気泳動されたタンパク質を、0.45μmニトロセルロース膜(Catalogue No: LC2001;Invitrogen)に対し、トランスファーバッファー(39mMグリシン、48mMトリス塩基、及び20%メタノール、pH8.3)中、室温で50分間かけて、290mAの定電流を用いて電気的に転写した。この膜を、20mlのブロッキング溶液(PBS中に0.1%Tween20、5%粉乳を含有)中で1時間、室温で揺動プラットホームを用いて培養することにより、ブロッキングを行なった。続いてこの膜を、一次抗ヒスチジンタグ抗体を含有する溶液(PBS中に0.1%Tween20、2.5%粉乳を含有する溶液で1:1000に希釈)15ml中で、室温にて振盪下で2時間培養した。ここで使用した一次抗体は、His−プローブH−15(sc-803; Santa Cruz Biotechnology)、又はHis−プローブG−18(sc-804; Santa Cruz Biotechnology)であった。この膜をウォッシュバッファー(PBS中0.1%Tween20)で濯ぎ、ウォッシュバッファーを3回換えて洗浄した(各10分)。続いて、この膜をHRP−結合二次抗体(PBS中に0.1%Tween20、2.5%粉乳を含有する溶液で1:3000に希釈)中、室温で振盪下、2時間培養した。この膜を上述した手順で再度洗浄した。最後に、膜を吸取乾燥し(blotted dry)、抗体染色の可視化を、ECL(登録商標)ウエスタンブロッティング検出試薬キット(Catalogue No: RPN2106;Amersham Pharmacia)を用いて、メーカーの使用説明書に従い行なった。
ChBP−59をコード化するORFをプラスミドに導入することにより、哺乳類又は昆虫細胞において、市販のキット(Gateway(登録商標))を用い、ヒスチジン融合組み換えタンパク質(ChBP−59−HIS;図2)の高レベル産生が可能であった。
a.SPAアッセイ
走化性実験は、ヒトケモカイン受容体5(CCR5)を安定的に発現するL1.2細胞(マウス前B細胞株)を用いて行なった。L1.2/CCR5細胞を、10%FCS(ウシ胎児血清;TerraCell, catalogue no: CS-C08-1000-A)、2mML−グルタミン(Invitrogen catalogue no: 25030-024)、1mMピルビン酸ナトリウム(Sigma, catalogue no: S8636)、及び1%ペニシリン−ストレプトマイシン(Invitrogen catalogue no: 15140-148)を追加したRPMI 1640培地(Invitrogen, catalogue no: 31870-025)中に保持した。
ChBP−59−HISのCC−ケモカイン結合特性を、SPA(Scintillation Proximity Assay)及びCC−ケモカイン誘導細胞遊走アッセイにより調べた。
a)動物
8から12週齢のオスBalb/c又はC57B6マウスに、200μlのリン酸緩衝食塩水(PBS、pH7.4)、又は200μlのPBSで希釈したヒトMIP−1α(0.5mg/Kg)を腹膜腔内注射した。抑制試験のために、0.15から5mg/kgまでの範囲のChBP−59を200μlPBS中に含む投与分を、ヒトMIP−1α投与の45分前に皮下投与した(腹膜腔内0.5mg/kg)。注射後18時間経過時にマウスを屠殺し、腹膜腔を3mLの氷冷PBSで2度洗浄し、全洗浄液を個々のマウス毎にプールした。全細胞計数(total cell counts)は、改良ノイバウエルチャンバー内で、チュルク染色液を用いて行なった。示差細胞計数(differential cell counts)は、サイトスピン調製(Shandon III)により、メイ・グリュンワルド・ギムザ(May Grunwald-Giemsa)で染色し、細胞型の同定には標準的な形態学的基準を用いて行なった。結果は腹膜腔当たりの細胞数で示した(図8及び図9)。
各実験について、臓器露出(exteriorization)の1時間前に、0.15mg/KgのヒトMIP−1αを0.1mLのPBS中に含む液を、30Gの針を用い、皮下注射によって右陰嚢の皮膚下に局所投与した。抑制試験のために、ChBP−59(0.5mg/kg)及びMIP−1α(0.15mg/Kg)を100μlのPBS中に含む溶液を、陰嚢内注射による投与の15分前に調製した。その後、左挙睾筋を生体内顕微鏡観察用に調製した。要約すると、陰嚢の皮膚を切開して左精巣挙筋を露出させ、周囲の筋膜を慎重に取り除いた。焼灼機を用いて、精巣挙筋の腹側表面を長軸方向に切開した。睾丸及び精巣上体を下層筋肉から分離し、腹腔内に移動させた。続いて、筋肉を視野の開けた台座上に拡げ、端に沿って4−0縫合糸で固定した。露出した組織を、保温した重炭酸緩衝食塩水(pH7.4)で表面灌流した。20×対物レンズ及び10×接眼レンズを備えた生体内顕微鏡(Olympus BX50F4;Japan)を用いて挙睾筋の微小循環を観察した。ビデオカメラ(5100 HS;Panasonic, Osaka, Japan)を用いて画像をモニターに映し出し、後に再生して分析するために、従来のビデオカセットレコーダーに記録した。
プロトコルの0日目及び7日目に、単離されたマンソン住血吸虫(S. mansoni)の卵2500個を、マウスの腹膜腔内に投与して免疫化した。14日目に、マウスの鼻腔内に10μgの抗原を10μLのPBS中に含む液を投与して抗原暴露し、反応を気道に局在化させた。続いて6日後に、マウスを再度抗原暴露すべく、10μgの抗原を25μLのPBS中に含む液、又はPBS単独(ビヒクル)を気管内投与した。抑制試験のために、抗原暴露の45分前及び24時間後に、ChBP−59(0.5mg/kg)を皮下投与した。注射から48時間後にマウスを屠殺し、気管カニューレを通じて0.3mLの無菌PBSを肺に原位置で充満させた。穏やかにマッサージして細胞を取り除いた後、肺から液体を抜き出し、氷上のプラスチック製試験管内に採集した。この手順を3度繰り返し、各動物から回収された細胞懸濁液をマウス個体毎にプールした。全細胞計数(total cell counts)は改良ノイバウエルチャンバー内で、チュルク染色液を用いて行なった。示差細胞計数(differential cell counts)はサイトスピン調製(Shandon III)により、メイ・グリュンワルド・ギムザ(May Grunwald-Giemsa)で染色し、細胞型の同定には標準的な形態学的基準を用いて行なった。結果は肺当たりの細胞数で示した(図11参照)。
OVAに対する気道反応を誘発すべく、10μgのOVAを2mgの水酸化アルミニウム(2%)で沈殿させた総量200μlの液を皮下投与することにより、マウスを感作した。感作の14日後、マウスに対してPBS、又はOVA1%のPBS希釈溶液を、20分間噴霧した。抑制試験のために、抗原暴露の45分前及び抗原暴露後12時間おきに、CbBP−59(0.5mg/kg)を皮下投与した。注射から48時間後、マウスを屠殺し、肺に原位置で0.3mLの無菌PBSを気管カニューレを通じて満たした。穏やかにマッサージして細胞を取り除いた後、肺から液体を抜き出し、氷上のプラスチック製試験管内に採集した。この手順を3度繰り返し、各動物から回収された細胞懸濁液をマウス個体毎にプールした。全細胞計数(total cell counts)は改良ノイバウエルチャンバー内で、チュルク染色液を用いて行なった。示差細胞計数(differential cell counts)はサイトスピン調製(Shandon III)により、メイ・グリュンワルド・ギムザ(May Grunwald-Giemsa)で染色し、細胞型の同定には標準的な形態学的基準を用いて行なった。結果は肺当たりの細胞数で示した(図12参照)。
麻酔下(マウス1個体当たりケタミン3.2mg及びキシラジン0.16mg)、0.125Uのブレオマイシン(Bonar, Laboratorio Sintetica, Brasil)を30μlのPBS中に含む液を、マウスの気管軟骨輪間に挿入した25Gの針を通じて、マウスの気管内に導入した。対照動物には食塩水のみを投与した。気管開口部位を縫合し、動物を回復させた。抑制試験のために、ブレオマイシン注入の45分前及び注入後12時間おきに、ChBP−59(0.5mg/kg)を皮下投与した。注入から2日又は8日目にマウスを屠殺し、肺に原位置で0.3mLの無菌PBSを気管カニューレを通じて満たした。穏やかにマッサージして細胞を取り除いた後、肺から液体を抜き出し、氷上のプラスチック製試験管内に採集した。この手順を3度繰り返し、各動物から回収された細胞懸濁液をマウス個体毎にプールした。全細胞計数(total cell counts)は改良ノイバウエルチャンバー内で、チュルク染色液を用いて行なった。示差細胞計数(differential cell counts)はサイトスピン調製(Shandon III)により、メイ・グリュンワルド・ギムザ(May Grunwald-Giemsa)で染色し、細胞型の同定には標準的な形態学的基準を用いて行なった。結果は肺当たりの細胞数で示した(図13参照)。
全ての結果を平均±SEMで表わす。規格化したデータを一元配置(one-way)分散分析で分析し、各群間の差異をステューデント・ニューマン・キュールズ(Student-Newman-Keuls)事後テストにより評価した。p値が<0.05の場合に有意と判断した。
MIP−1αの腹膜腔投与により誘発される細胞動員に対し、ChBP−59の抑制能を調べた。1.5mg/kgの単回投与の場合、最も顕著な抑制が観察されたのは顆粒球についてであったが、これはヒトの系において、MIP−1αが主に単球を動員するのとは異なっている。2番目の実験では、投与量を0.15〜5mg/kgの範囲に広げ、2つのマウス株、Balb/C及びC57B6に対して投与した。Balb/cマウスにおいて動員された好酸球の数は、それらの抑制を定量化するには不十分であったが、何れの細胞株においても、全ての投与量において優れた好中球抑制作用が観察された。続く実験では0.5mg/kgを選択した。生体内顕微鏡観察により、ChBP−59が、動員プロセスに関わる3つの工程である、ローリング、粘着、及び遊走の全てを抑制していることが確認された。
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Claims (40)
- a)ChBP−59のアミノ酸配列(配列番号5)を含んでなるタンパク質;
b)成熟ChBP−59のアミノ酸配列(配列番号6)を含んでなるタンパク質;
c)ChBP−59−HISのアミノ酸配列(配列番号17)を含んでなるタンパク質;
d)成熟ChBP−59−HISのアミノ酸配列(配列番号18)を含んでなるタンパク質;及び
f)a)、b)、c)、又はd)のタンパク質と少なくとも90%のアミノ酸配列が同一であり、且つCCL2/MCP−1、CCL3/MIP−1α又はCCL5/RANTESとその受容体との相互作用を阻害するタンパク質
からなる群より選択されるポリペプチド。 - a)ChBP−59のアミノ酸配列(配列番号5)を有するタンパク質;
b)成熟ChBP−59のアミノ酸配列(配列番号6)を有するタンパク質;
c)ChBP−59−HISのアミノ酸配列(配列番号17)を有するタンパク質;及び
d)成熟ChBP−59−HISのアミノ酸配列(配列番号18)を有するタンパク質
からなる群より選択される、請求項1記載のポリペプチド。 - 請求項1又は2に記載のタンパク質の変異体であって、1又は数個のアミノ酸残基が付加、欠失又は置換されてなり、且つ、CCL2/MCP−1、CCL3/MIP−1α又はCCL5/RANTESとその受容体との相互作用を阻害する変異体。
- a)配列番号5において、ChBP−59の残基32、49、53、66、85、90、95、及び104に相当する位置に、システイン残基を有し;
b)配列番号5において、ChBP−59のアスパラギン39、54、及び62に相当する位置に、グリコシル化部位を有することを特徴とする、請求項3記載のタンパク質の変異体。 - 膜結合タンパク質の細胞外ドメイン、免疫グロブリン定常部、多量体化ドメイン、ヘテロ二量体タンパク質ホルモン、シグナルペプチド、移行シグナル(export signal)、及びタグ配列から選択される1又は2以上のアミノ酸配列に対して作動式に連結された(operably linked)、請求項1から4の何れか一項に記載のタンパク質を含んでなる、融合タンパク質。
- 当該ポリペプチドが翻訳後に修飾されてなることを特徴とする、請求項1から5の何れか一項に記載のタンパク質。
- 当該タンパク質がグリコシル化されてなることを特徴とする、請求項6記載のタンパク質。
- 当該タンパク質が、活性分画、前駆体、塩、誘導体、コンジュゲート(conjugate)、複合体(complex)の形態であり、或いはPEG化されてなることを特徴とする、請求項1から7の何れか一項に記載のタンパク質。
- 請求項1から7の何れか一項に記載のポリペプチドをコード化する核酸分子。
- a)ChBP−59のアミノ酸配列(配列番号5)を含んでなるタンパク質をコード化する核酸分子;
b)成熟ChBP−59のアミノ酸配列(配列番号6)を含んでなるタンパク質をコード化する核酸分子;
c)ChBP−59−HISのアミノ酸配列(配列番号17)を含んでなるタンパク質をコード化する核酸分子;
d)成熟ChBP−59−HISのアミノ酸配列(配列番号18)を含んでなるタンパク質をコード化する核酸分子;
f)a)、b)、c)、又はd)のタンパク質と少なくとも90%のアミノ酸配列が同一であり、且つCCL2/MCP−1、CCL3/MIP−1α又はCCL5/RANTESとその受容体との相互作用を阻害するタンパク質をコード化する核酸分子;及び
h)a)、b)、c)、d)又はf)の核酸分子の縮重変異体(degenerate variant):
からなる群より選択される、請求項9記載の核酸分子。 - a)ChBP−59のアミノ酸配列(配列番号5)を有するタンパク質;
b)成熟ChBP−59のアミノ酸配列(配列番号6)を有するタンパク質;
c)ChBP−59−HISのアミノ酸配列(配列番号17)を有するタンパク質;
d)成熟ChBP−59−HISのアミノ酸配列(配列番号18)を有するタンパク質;
g)a)、b)、c)、又はd)のタンパク質の変異体であって、1又は数個のアミノ酸残基が付加、欠失、又は置換されてなり、且つ、CCL2/MCP−1、CCL3/MIP−1α又はCCL5/RANTESとその受容体との相互作用を阻害する変異体;及び
h)膜結合タンパク質の細胞外ドメイン、免疫グロブリン定常部、多量体化ドメイン、シグナルペプチド、移行シグナル、及びタグ配列から選択される1又は2以上のアミノ酸配列に対して作動式に連結された、a)、b)、c)、d)、又はg)のタンパク質を含んでなる融合タンパク質:
からなる群より選択されるタンパク質をコード化してなる、請求項10記載の核酸分子。 - 当該分子がDNA分子、特にcDNA分子であることを特徴とする、請求項9から11の何れか一項に記載の核酸分子。
- 当該分子が配列番号3又は15のDNA配列を含んでなり、或いは当該DNA配列である、請求項9記載の核酸分子。
- 当該分子が配列番号4又は16のDNA配列を含んでなり、或いは当該DNA配列である、請求項9記載の核酸分子。
- 請求項10又は11に記載の核酸の断片を含んでなるオリゴヌクレオチドであって、少なくとも約20ヌクレオチド長のオリゴヌクレオチド、少なくとも約30ヌクレオチド長のオリゴヌクレオチド、及び少なくとも約50ヌクレオチド長のオリゴヌクレオチドからなる群より選択されるオリゴヌクレオチド。
- 請求項9から14の何れか一項に記載の核酸分子を含んでなるクローニング又は発現ベクター。
- 当該核酸分子に作動式に結合された(operably associated)プロモーター、特に組織特異的、構成的、又は誘導性プロモーターを更に含んでなる、請求項16記載の発現ベクター。
- 請求項16又は17に記載の発現ベクターにより形質転換又はトランスフェクトされてなる宿主細胞。
- 請求項1から7の何れか一項に記載のタンパク質を産生するように遺伝子操作されてなる細胞。
- ポリペプチドを調製する方法であって、発現を許容又は促進する条件下で、請求項18又は19に記載の宿主細胞を培養する工程を含んでなる方法。
- 前記タンパク質を精製する工程を更に含んでなる、請求項20記載の方法。
- 前記タンパク質をヒト投与のために製剤する工程を更に含んでなる、請求項20又は21に記載の方法。
- CC−ケモカイン結合タンパク質を発現する、ヒト以外のトランスジェニック動物であって、当該動物の細胞が、単離又は組み換えされた、請求項9から14の何れか一項に記載の核酸分子、又は、請求項16若しくは17に記載の発現ベクターを含有することを特徴とする動物。
- 請求項1から8の何れか一項に記載のポリペプチドに選択的に結合する抗体。
- モノクローナル抗体である請求項24記載の抗体。
- キメラの、ヒト化の、又はヒトの抗体、又は、Fab、F(ab)2、scFv若しくはドメイン抗体等の抗体断片である、請求項24又は25に記載の抗体。
- 請求項1から8の何れか一項に記載のポリペプチド、又は請求項9から17の何れか一項の核酸、又は請求項18若しくは19に記載の細胞と、医薬的に許容し得る希釈剤又は担体とを含んでなる医薬組成物。
- 薬剤として使用される、請求項1から8の何れか一項に記載のポリペプチド、又は、請求項27記載の組成物。
- 哺乳類における免疫又は炎症反応の調節に使用される、請求項1から8の何れか一項に記載のポリペプチド、又は、請求項27記載の組成物。
- 動物におけるCC−ケモカイン関連障害の治療又は予防に使用される、請求項1から8の何れか一項に記載のポリペプチド、又は、請求項27記載の組成物。
- 哺乳類の免疫又は炎症障害を治療又は予防するための医薬組成物の製造において、活性成分として使用される、請求項1から8の何れか一項に記載のポリペプチドの使用。
- 前記免疫又は炎症障害が、CCL5/RANTES、CCL3/MIP−1α、又はCCL2/MCP−1に起因するものであることを特徴とする、請求項31記載の使用。
- 前記免疫又は炎症障害が、自己免疫疾患、感染、アレルギー性疾患、心血管疾患、代謝疾患、胃腸疾患、神経疾患、敗血症、移植拒絶関連疾患、又は線維疾患である、請求項31又は32に記載の使用。
- 請求項9から14の何れか一項に記載の核酸分子によってコード化されるタンパク質の薬剤としての使用。
- 哺乳類における免疫又は炎症反応の調節のための組成物の調製における、請求項9の核酸分子の使用。
- 動物を吸血性の外部寄生虫に対して免疫化するための医薬組成物であって、請求項1から8の何れか一項に記載のポリペプチドを含んでなる医薬組成物。
- 所要の動物において免疫又は炎症反応を調節するための医薬組成物であって、請求項1から8の何れか一項に記載のポリペプチドの治療上有効な量を含んでなる医薬組成物。
- CC−ケモカイン関連疾患を治療又は予防するための医薬組成物であって、請求項1から8の何れか一項に記載のポリペプチドの有効量を含んでなる医薬組成物。
- CC−ケモカイン、CC−ケモカイン結合タンパク質若しくは受容体、CC−ケモカインとCC−ケモカイン結合タンパク質との相互作用、又はCC−ケモカイン受容体のアンタゴニスト若しくはアゴニストを検出するためのキットであって、検出試薬と、少なくとも
a)請求項9記載の核酸分子;
b)請求項15記載のオリゴヌクレオチド;
c)請求項1から8の何れか一項に記載のポリペプチド;及び
d)請求項24、25、又は26に記載の抗体:
からなる群より選択される化合物とを含んでなるキット。 - CC−ケモカイン、CC−ケモカイン結合タンパク質若しくは受容体、CC−ケモカインとCC−ケモカイン結合タンパク質との相互作用、又はCC−ケモカイン受容体のアンタゴニスト若しくはアゴニストを、生体外で検出する方法であって、
a)請求項9記載の核酸分子;
b)請求項15記載のオリゴヌクレオチド;
c)請求項1から8の何れか一項に記載のポリペプチド;及び
d)請求項24、25、又は26に記載の抗体:
からなる群より選択される化合物にサンプルを接触させる工程を含んでなる方法。
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