JP6918005B2 - 細胞内抗原に対して向けられた単一ドメイン抗体 - Google Patents
細胞内抗原に対して向けられた単一ドメイン抗体 Download PDFInfo
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Description
このPCT国際特許出願は、その内容全体が参照により本明細書に組み込まれる2015年11月2日に提出された米国仮特許出願第62/249898号の利益を主張する。
本出願は、ハードコピーの代わりにテキストフォーマットで配列リストと一緒に提出している。配列表は、2016年10月27日に作成された「sequence listing.txt」という表題のファイルとして提供され、サイズが58キロバイトである。配列表の電子フォーマットの情報は、全体が参照により本明細書に組み込まれる。
他の記載との重複もあるが、本発明を以下に示す。
[発明1]
抗ヒト免疫不全ウイルス1型(HIV−1)逆転写酵素単一ドメイン抗体(sdAb)。
[発明2]
配列番号27に示されるアミノ酸配列を含む抗HIV−1逆転写酵素sdAb。
[発明3]
発明1または2に記載の抗HIV−1逆転写酵素sdAbを用いて、対象の疾患を治療、疾患の発症を予防、または疾患の再発を予防する方法であって、有効量の前記抗HIV−1逆転写酵素sdAbを、それを必要とする対象に投与するステップを含む方法。
[発明4]
前記対象が哺乳動物である、発明3に記載の方法。
[発明5]
前記哺乳動物がヒトである、発明4に記載の方法。
[発明6]
前記抗HIV−1逆転写酵素sdAbが1種または複数の化合物と組み合わせて投与される、発明3に記載の方法。
[発明7]
前記1種または複数の化合物がプロテアーゼ阻害剤である、発明6に記載の方法。
[発明8]
有効量の前記抗HIV−1逆転写酵素sdAbを、それを必要とする対象に投与することが、静脈内投与、筋肉内投与、経口投与、直腸投与、経腸投与、非経口投与、眼内投与、皮下投与、経皮投与、点眼剤として投与、鼻スプレーとして投与、吸入または噴霧によって投与、局所投与および埋め込み可能な薬物として投与を含む、発明3に記載の方法。
[発明9]
配列番号27に示されるアミノ酸配列を含む単離されたポリペプチド。
[発明10]
発明9に記載のポリペプチドに対して向けられた抗体。
[発明11]
対象由来の試料中の抗HIV−1逆転写酵素sdAbのレベルを測定する方法であって、
a)配列番号27に示されるアミノ酸配列を含むポリペプチドの1つまたは複数のドメインに対して向けられたマウスモノクローナル抗体を作製するステップと;
b)前記対象から試料を得るステップと;
c)前記マウスモノクローナル抗体および前記試料を用いて定量的イムノアッセイを行って、対象のsdAbの量を決定するステップと;
d)前記対象のsdAbの量を定量化するステップと
を含む方法。
[発明12]
前記定量的イムノアッセイが、酵素結合免疫吸着測定(ELISA)、特異的分析物標識および再捕捉アッセイ(SALRA)、液体クロマトグラフィー、質量分析、蛍光活性化セルソーティングまたはこれらの組み合わせを含む、発明11に記載の方法。
[発明13]
抗エボラVP24単一ドメイン抗体(sdAb)。
[発明14]
配列番号55に示されるアミノ酸配列を含む抗エボラVP24 sdAb。
[発明15]
発明13または14に記載の抗エボラVP24 sdAbを用いて、対象の疾患を治療、疾患の発症を予防、または疾患の再発を予防する方法であって、有効量の前記抗エボラVP24 sdAbを、それを必要とする対象に投与するステップを含む方法。
[発明16]
前記対象が哺乳動物である、発明15に記載の方法。
[発明17]
前記哺乳動物がヒトである、発明16に記載の方法。
[発明18]
前記抗エボラVP24 sdAbが1種または複数の化合物と組み合わせて投与される、発明15に記載の方法。
[発明19]
前記1種または複数の化合物が抗ウイルス化合物である、発明18に記載の方法。
[発明20]
有効量の前記抗エボラVP24 sdAbを、それを必要とする対象に投与することが、静脈内投与、筋肉内投与、経口投与、直腸投与、経腸投与、非経口投与、眼内投与、皮下投与、経皮投与、点眼剤として投与、鼻スプレーとして投与、吸入または噴霧によって投与、局所投与および埋め込み可能な薬物として投与を含む、発明14に記載の方法。
[発明21]
配列番号55に示されるアミノ酸配列を含む単離されたポリペプチド。
[発明22]
発明21に記載のポリペプチドに対して向けられた抗体。
[発明23]
対象由来の試料中の抗エボラVP24 sdAbのレベルを測定する方法であって、
a)配列番号55に示されるアミノ酸配列を含むポリペプチドの1つまたは複数のドメインに対して向けられたマウスモノクローナル抗体を作製するステップと;
b)前記対象から試料を得るステップと;
c)前記マウスモノクローナル抗体および前記試料を用いて定量的イムノアッセイを行って、対象のsdAbの量を決定するステップと;
d)前記対象のsdAbの量を定量化するステップと
を含む方法。
[発明24]
前記定量的イムノアッセイが、酵素結合免疫吸着測定(ELISA)、特異的分析物標識および再捕捉アッセイ(SALRA)、液体クロマトグラフィー、質量分析、蛍光活性化セルソーティングまたはこれらの組み合わせを含む、発明23に記載の方法。
[発明25]
抗アラキドン酸12−リポキシゲナーゼ(ALOX12)単一ドメイン抗体(sdAb)。
[発明26]
配列番号49、配列番号50、配列番号51または配列番号52に示されるアミノ酸配列を含む抗ALOX12 sdAb。
[発明27]
発明25または26に記載の抗ALOX12 sdAbを用いて、対象の疾患を治療、疾患の発症を予防、または疾患の再発を予防する方法であって、有効量の前記抗ALOX12 sdAbを、それを必要とする対象に投与するステップを含む方法。
[発明28]
前記対象が哺乳動物である、発明27に記載の方法。
[発明29]
前記哺乳動物がヒトである、発明28に記載の方法。
[発明30]
前記抗ALOX12 sdAbが1種または複数の化合物と組み合わせて投与される、発明27に記載の方法。
[発明31]
有効量の前記抗ALOX12 sdAbを、それを必要とする対象に投与することが、静脈内投与、筋肉内投与、経口投与、直腸投与、経腸投与、非経口投与、眼内投与、皮下投与、経皮投与、点眼剤として投与、鼻スプレーとして投与、吸入または噴霧によって投与、局所投与および埋め込み可能な薬物として投与を含む、発明27に記載の方法。
[発明32]
配列番号49、配列番号50、配列番号51または配列番号52に示されるアミノ酸配列を含む単離されたポリペプチド。
[発明33]
発明32に記載のポリペプチドに対して向けられた抗体。
[発明34]
対象由来の試料中の抗ALOX12 sdAbのレベルを測定する方法であって、
a)配列番号49、配列番号50、配列番号51または配列番号52に示されるアミノ酸配列を含むポリペプチドの1つまたは複数のドメインに対して向けられたマウスモノクローナル抗体を作製するステップと;
b)前記対象から試料を得るステップと;
c)前記マウスモノクローナル抗体および前記試料を用いて定量的イムノアッセイを行って、対象のsdAbの量を決定するステップと;
d)前記対象のsdAbの量を定量化するステップと
を含む方法。
[発明35]
前記定量的イムノアッセイが、酵素結合免疫吸着測定(ELISA)、特異的分析物標識および再捕捉アッセイ(SALRA)、液体クロマトグラフィー、質量分析、蛍光活性化セルソーティングまたはこれらの組み合わせを含む、発明34に記載の方法。
MGRYRIRVATGAWLFSGSYNRVQLWLVGTRGEAELELQLRPARGEEEEFDHDVAEDLGLLQFVRLRKHHWLVDDAWFCDRITVQGPGACAEVAFPCYRWVQGEDILSLPEGTARLPGDNALDMFQKHREKELKDRQQIYCWATWKEGLPLTIAADRKDDLPPNMRFHEEKRLDFEWTLKAGALEMALKRVYTLLSSWNCLEDFDQIFWGQKSALAEKVRQCWQDDELFSYQFLNGANPMLLRRSTSLPSRLVLPSGMEELQAQLEKELQNGSLFEADFILLDGIPANVIRGEKQYLAAPLVMLKMEPNGKLQPMVIQIQPPNPSSPTPTLFLPSDPPLAWLLAKSWVRNSDFQLHEIQYHLLNTHLVAEVIAVATMRCLPGLHPIFKFLIPHIRYTMEINTRARTQLISDGGIFDKAVSTGGGGHVQLLRRAAAQLTYCSLCPPDDLADRGLLGLPGALYAHDALRLWEIIARYVEGIVHLFYQRDDIVKGDPELQAWCREITEVGLCQAQDRGFPVSFQSQSQLCHFLTMCVFTCTAQHAAINQGQLDWYAWVPNAPCTMRMPPPTTKEDVTMATVMGSLPDVRQACLQMAISWHLSRRQPDMVPLGHHKEKYFSGPKPKAVLNQFRTDLEKLEKEITARNEQLDWPYEYLKPSCIENSVTI
であった。
AKATGRYNLISPKKDLEKGVVLSDLCNFLVSQTIQGWKVYWAGIEFDVTHKGMALLHRLKTNDFAPAWSMTRNLFPHLFQNPNSTIESPLWALRVILAAGIQDQLIDQSLIEPLAGALGLISDWLLTTNTNHFNMRTQRVKEQLSLKMLSLIRSNILKFINKLDALHVVNYNGLLSSIEI ILEFNSSLAI
であった。
5’−ATGGGTGAT GTGCAGCTGGTGGAGTCT GGGGGAGAC TCGGTGCGG GCTGGAGGG TCTCTTCAAATGGGTGAT GTGCAGCTG GTGGAGTCT GGGGGAGAC TCGGTGCGGGCTGGAGGGTCTCTTCAA CTCTCCTGT AAAGCCTCT GGATACACC TACAATAGTAGAGTCGATATCAGATCT ATGGGCTGG TTCCGCCAG TATCCAGGA AAGGAGCGCGAGGGGGTCGCTACTATT AATATTCGT AATAGTGTC ACATACTAT GCCGACTCCGTGAAGGGCCGATTCACC ATCTCCCAA GACAACGCC AAGAACACG GTGTATCTGCAAATGAACGCCCTGAAA CCTGAGGAC ACTGCCATG TACTACTGT GCGTTGTCAGACAGATTCGCGGCGCAG GTACCTGCC AGGTACGGA ATACGGCCC TCTGACTAT AACTACTGG GGTGAGGGG ACCCTGGTC ACCGTCTCC TCAAGCTCT GGTCTCGAG−3’
である。
MGDVQLVESGGDSVRAGGSLQLSCKASGYTYNSRVDIRSMGWFRQYPGKEREGVATINIRNSVTYYADSVKGRFTISQDNAKNTVYLQMNALKPEDTAMYYCALSDRFAAQVPARYGIRPSDYNYWGEGTLVTVSSSSGLE
ALOX12(配列番号44)、VP24(配列番号53)およびHIV−1逆転写酵素(配列番号1)を含むいくつかのタンパク質で免疫したラクダからSdAbを作製した。
Biacore 3000(General Electric Company、Fairfield、CT)上25℃でタンパク質結合実験を行った。アッセイ緩衝液は、10mM HEPES緩衝液(pH7.4)、150mM NaCl、3mM EDTA、0.05%P20を含んでいた。再生緩衝液は10mMグリシンHCl pH1.75を含んでおり、固定化緩衝液は10mM酢酸ナトリウム、pH5.0を含んでいた。リガンドを捕捉するために使用した流量は5ul/分であった。動態解析に使用した流量は30ul/分であった。
HIV1−9抗HIV−1 RT sdAb(配列番号27)の2つの異なる試料を、ELISAにおいて、コーティング抗原、二次抗体およびHRP濃度のチェッカーボードに対して1μg/mLで評価した。コーティング抗原は、1ウェル当たり0.5、0.025および0.125μg/mLの組換えHIV−1 RT(Creative BioMart)(配列番号1)であった。二次抗体は1:5000および1:10000で希釈したビオチン化ウサギ抗ラマで、HRPは1:25000および1:50000で希釈した。シグナル対ノイズ比>20が濃度のいくつかで見られた。ELISAの結果を図1および図2に示す。
タンパク質結合実験を実施例2に記載されるように行った。タンパク質結合に使用したリガンドはVP24−5(配列番号55)およびSTAT3−VHH14(配列番号56)であった。CM5センサーチップのそれぞれフローセル2および4に427および550の応答単位(RU)でアミンカップリング(EDC/NHS)によってリガンドを直接固定化した。フローセル1をブランクで保ち、バックグラウンド除去に使用した。CM5チップ上の占有されていない部位を1Mエタノールアミンでブロックした。結合分析のために、分析物VP24(配列番号53)をセンサーチップ上に流し、リアルタイムで監視した。表3に示されるように、観察された解離速度(kd)の結合速度(ka)から親和定数(KD=kd/ka)を計算した。
VP24−5抗エボラVP24 sdAb(配列番号55)の2つの異なる試料を、ELISAにおいて、コーティング抗原、二次抗体およびHRP濃度のチェッカーボードに対して1μg/mLで評価した。コーティング抗原は、1ウェル当たり0.5、0.025および0.125μg/mLの組換えエボラVP24(Creative BioMart)(配列番号53)であった。二次抗体は1:5000および1:10000で希釈したビオチン化ウサギ抗ラマであった。HRPを1:10000および1:25000の希釈で使用した。ELISAの結果を図5および図6に示す。シグナル対ノイズ比は低く、分析を高濃度で繰り返した。
配列表45〜52 <223>ラクダ科動物
配列表54〜56 <223>ラクダ科動物
Claims (8)
- 配列番号27に示されるアミノ酸配列を含むポリペプチド。
- 請求項1のポリペプチドを含む抗HIV−1逆転写酵素sdAb。
- 請求項2に記載の抗HIV−1逆転写酵素sdAbを含む医薬組成物。
- 哺乳動物に投与される、請求項3に記載の医薬組成物。
- 前記哺乳動物がヒトである、請求項4に記載の医薬組成物。
- 1種または複数の化合物と組み合わせて投与される、請求項3に記載の医薬組成物。
- 前記1種または複数の化合物がプロテアーゼ阻害剤である、請求項6に記載の医薬組成物。
- 有効量の前記抗HIV−1逆転写酵素sdAbを、それを必要とする対象に投与することが、静脈内投与、筋肉内投与、経口投与、直腸投与、経腸投与、非経口投与、眼内投与、皮下投与、経皮投与、点眼剤として投与、鼻スプレーとして投与、吸入または噴霧によって投与、局所投与および埋め込み可能な薬物として投与を含む、請求項3に記載の医薬組成物。
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CN111184864B (zh) * | 2020-01-20 | 2022-01-14 | 武汉大学 | Alox12特异性抑制剂在制备治疗非酒精性脂肪肝病和/或ⅱ型糖尿病的药物中的应用 |
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