KR20200095455A - 폴리펩티드 및 폴리펩티드에 결합되는 항체 - Google Patents
폴리펩티드 및 폴리펩티드에 결합되는 항체 Download PDFInfo
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Abstract
Description
도 2는 정제된 재조합 단일 클론 항체1D3과 2H8(인간 IgG1 형태)을 나타낸다.
도 3은 Biacore 친화력 측정 실험에서의 1D3의 동역학 곡선을 나타낸다.
도 4는 Biacore 친화력 측정 실험에서의 2H8의 동역학 곡선을 나타낸다.
도 5a는 실험적 자가 면역성 뇌척수염(EAE)에 대한 2H8 치료 실험을 나타내고, 도 5b는 EAE의 2H8 치료에 대한 누적 치료 점수를 나타낸다.
도 6a는 실험적 자가 면역성 뇌척수염에 대한 1D3 치료 실험을 나타내고, 도 6b는 EAE의 1D3 치료에 대한 누적 치료 점수를 나타낸다.
도 7a는 염증 인자 TNF-α 유전자 발현 정황을 나타내고, 도 7b는 EAE 마우스 비장 인터루킨(IL)-6에 대한 Ab-proB의 작용을 나타내며, 도 7c는 EAE 마우스 비장 IL-2에 대한 Ab-proB의 작용을 나타내고, 도 7d는 EAE 마우스 비장 IL-4에 대한 Ab-proB의 작용을 나타낸다.
도 8은 1D3 및 2H8과 폴리펩티드E2및 폴리펩티드E5의 ELISA 결과를 나타낸다.
도 9는 1D3 및 2H8과 폴리펩티드DH의 ELISA 결과를 나타낸다.
| 항체 샘플 | ka(1/Ms) | kd(1/s) | KD(M) |
| 1D3단일 항체 | 5.256E+06 | 7.994E-04 | 1.521E-10 |
| 2H8단일 항체 | 3.103E+06 | 5.940E-03 | 1.914E-09 |
| 명칭 | 서열 번호 | 서열 |
| 1D3의 HCDR1 | 1 | GYDMH |
| 1D3의 HCDR2 | 2 | GLGMEGDSYYSASVKG |
| 1D3의 HCDR3 | 3 | DVHGFDV |
| 1D3의 LCDR1 | 4 | RSSQSLLYSNGYTYLD |
| 1D3의 LCDR2 | 5 | MGSNRAS |
| 1D3의 LCDR3 | 6 | MQALQTPLT |
| 1D3의 VH | 7 | QVQLVESGGGLIQPGGSMRLSCAASGFSLSGYDMHWVRQIAGKGL EWVAGLGMEGDSYYSASVKGRFTISRQDAKNSLYLEMKDLGGGD TAVYYCLRDVHGFDVWGQGTTVTVSS |
| 1D3의 VL | 8 | DVVMTQSPLSLPVTPGEPASISCRSSQSLLYSNGYTYLDWYLQRPG QSPQLLIYMGSNRASGVPDRFSGSGSGTDFTLKISRVEAEDVGVYY CMQALQTPLTFGGGTKLEIKR |
| 1D3의 중쇄 | 9 | QVQLVESGGGLIQPGGSMRLSCAASGFSLSGYDMHWVRQIAGKG LEWVAGLGMEGDSYYSASVKGRFTISRQDAKNSLYLEMKDLGGG DTAVYYCLRDVHGFDVWGQGTTVTVSSASTKGPSVFPLAPCSRST SESTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLY SLSSVVTVPSSSLGTKTYTCNVDHKPSNTKVDKRVESKYGPPCPSC PAPEFLGGPSVFLFPPKPKDTLMISRTPEVTCVVVDVSQEDPEVQF NWYVDGVEVHNAKTKPREEQFNSTYRVVSVLTVLHQDWLNGKE YKCKVSNKGLPSSIEKTISKAKGQPREPQVYTLPPSQEEMTKNQV SLTCLVKGFYPSDIAVEWESNGQPENNYKTTPPVLDSDGSFFLYS RLTVDKSRWQEGNVFSCSVMHEALHNHYTQKSLSLSPGK |
| 1D3의 경쇄 | 10 | DVVMTQSPLSLPVTPGEPASISCRSSQSLLYSNGYTYLDWYLQR PGQSPQLLIYMGSNRASGVPDRFSGSGSGTDFTLKISRVEAEDV GVYYCMQALQTPLTFGGGTKLEIKRTVAAPSVFIFPPSDEQLKS GTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSK DSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRG EC |
| 2H8의 HCDR1 | 11 | SYGMH |
| 2H8의 HCDR2 | 12 | VISGSGDSTYYAESVKG |
| 2H8의 HCDR3 | 13 | GILTGYVFDY |
| 2H8의 LCDR1 | 14 | RSSQSLVSNDGNTYLN |
| 2H8의 LCDR2 | 15 | MVSKWDS |
| 2H8의 LCDR3 | 16 | MQSTHWPPT |
| 2H8의 VH | 17 | EVQLVETGGGLVQPGGSLRLSCAASGFTFSSYGMHWVRQAPGK GLEWVSVISGSGDSTYYAESVKGRFTISRDNARNTVYLQMNSLR AEDTAVYYCASGILTGYVFDYWGKGTMVTVSS |
| 2H8의 VL | 18 | DVVMTQSPLSLPVTLGQPASISCRSSQSLVSNDGNTYLNWFQQRPGQPPRRLIYMVSKWDSGVPDRFSGSGSGTDFTLRISRVEAEDV GVYYCMQSTHWPPTFGGGTKLEIKR |
| 2H8의 중쇄 | 19 | EVQLVETGGGLVQPGGSLRLSCAASGFTFSSYGMHWVRQAPGKGL EWVSVISGSGDSTYYAESVKGRFTISRDNARNTVYLQMNSLRAEDT AVYYCASGILTGYVFDYWGKGTMVTVSSASTKGPSVFPLAPCSRST SESTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYS LSSVVTVPSSSLGTKTYTCNVDHKPSNTKVDKRVESKYGPPCPSCP APEFLGGPSVFLFPPKPKDTLMISRTPEVTCVVVDVSQEDPEVQFN WYVDGVEVHNAKTKPREEQFNSTYRVVSVLTVLHQDWLNGKEY KCKVSNKGLPSSIEKTISKAKGQPREPQVYTLPPSQEEMTKNQVSL TCLVKGFYPSDIAVEWESNGQPENNYKTTPPVLDSDGSFFLYSRL TVDKSRWQEGNVFSCSVMHEALHNHYTQKSLSLSPGK |
| 2H8의 경쇄 | 20 | DVVMTQSPLSLPVTLGQPASISCRSSQSLVSNDGNTYLNWFQQR PGQPPRRLIYMVSKWDSGVPDRFSGSGSGTDFTLRISRVEAEDV GVYYCMQSTHWPPTFGGGTKLEIKRTVAAPSVFIFPPSDEQLKS GTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSK DSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC |
| 1D3의 scFv | 21 | QVQLVESGGGLIQPGGSMRLSCAASGFSLSGYDMHWVRQIAGK GLEWVAGLGMEGDSYYSASVKGRFTISRQDAKNSLYLEMKDL GGGDTAVYYCLRDVHGFDVWGQGTTVTVSSGGGGSGGGGSG GGGSDVVMTQSPLSLPVTPGEPASISCRSSQSLLYSNGYTYLDW YLQRPGQSPQLLIYMGSNRASGVPDRFSGSGSGTDFTLKISRVE AEDVGVYYCMQALQTPLTFGGGTKLEIKR |
| 1D3의 scFv의 뉴클레오티드 서열 | 22 | CAGGTGCAGCTGGTGGAGTCTGGGGGAGGCCTGATAC AGCCGGGGGGGTCGATGAGACTCTCCTGTGCAGCCTC TGGATTCAGCCTCAGTGGATATGACATGCACTGGGTC CGCCAAATTGCGGGAAAAGGTCTGGAGTGGGTCGCCG GTCTTGGGATGGAAGGTGACTCATATTATTCAGCCTCC GTGAAGGGCCGATTCACCATCTCCAGACAAGATGCCA AGAATTCCCTGTATCTTGAAATGAAGGACCTGGGAGG CGGGGACACGGCTGTCTATTACTGTCTAAGAGATGTC CACGGATTCGACGTCTGGGGCCAAGGGACCACGGTC ACCGTCTCGAGTGGTGGAGGCGGTTCAGGCGGAGGTG GTTCTGGCGGTGGCGGATCGGATGTTGTGATGACTCAG TCTCCACTCTCCCTGCCCGTCACCCCTGGAGAGCCGGC CTCCATCTCCTGCAGGTCTAGTCAGAGCCTCCTGTATA GTAATGGATACACCTATTTGGATTGGTACCTGCAGAG GCCAGGGCAGTCTCCACAGCTCCTGATCTATATGGG TTCTAATCGGGCCTCCGGGGTCCCTGACAGGTTCAGT GGCAGTGGATCAGGCACAGATTTTACACTGAAAATCA GCAGAGTGGAGGCTGAGGATGTTGGGGTTTATTACTG CATGCAAGCTCTACAAACTCCCCTCACTTTCGGCGGA GGGACCAAGCTGGAGATCAAACGT |
| 2H8의 scFv | 23 | EVQLVETGGGLVQPGGSLRLSCAASGFTFSSYGMHWVR QAPGKGLEWVSVISGSGDSTYYAESVKGRFTISRDNARN TVYLQMNSLRAEDTAVYYCASGILTGYVFDYWGKGTM VTVSSGGGGSGGGGSGGGGSDVVMTQSPLSLPVTLGQP ASISCRSSQSLVSNDGNTYLNWFQQRPGQPPRRLIYMVS KWDSGVPDRFSGSGSGTDFTLRISRVEAEDVGVYYCMQ STHWPPTFGGGTKLEIKR |
| 2H8의 scFv의 뉴클레오티드 서열 | 24 | GAGGTGCAGCTGGTGGAGACTGGGGGCGGCTTGGTCC AGCCTGGGGGGTCCCTGAGACTCTCCTGTGCAGCGTCT GGATTCACCTTCAGTAGCTATGGCATGCACTGGGTCCG CCAGGCTCCAGGGAAGGGGCTGGAGTGGGTCTCAGTT ATTAGTGGTAGTGGTGATAGTACATACTACGCAGAGTC CGTGAAGGGCCGCTTCACCATCTCCAGAGACAATGCCA GGAACACGGTGTATCTGCAAATGAACAGTCTGAGAGCC GAGGACACGGCTGTATATTATTGTGCAAGTGGCATTTTG ACTGGTTATGTATTTGACTATTGGGGCAAAGGGACAATG GTCACCGTCTCGAGTGGTGGAGGCGGTTCAGGCGGAGG TGGTTCTGGCGGTGGCGGATCGGATGTTGTGATGACTCAG TCTCCACTCTCCCTGCCCGTCACCCTTGGACAGCCGGCCT CCATCTCCTGCAGGTCTAGTCAAAGCCTCGTATCCAATG ATGGAAACACCTACTTGAATTGGTTTCAGCAGAGGCCAG GCCAACCTCCAAGGCGCCTAATTTATATGGTTTCTAAGT GGGACTCTGGGGTCCCAGACAGATTCAGCGGCAGTGGG TCAGGCACTGATTTCACACTGAGAATCAGCAGGGTGGA GGCTGAGGATGTTGGGGTTTATTACTGCATGCAAAGTAC ACACTGGCCTCCCACTTTCGGCGGAGGGACCAAGCTGG AGATCAAACGT |
| 프라이머 PROBDNF-F | 25 | GCGAATTCCCCATGAAAGAAGCAAACATCC |
| PROBDNF-R | 26 | CCGCTCGAGTTATCTTCCCCTTTTAATGGTCAATG |
| 인간 proBDNF 유전자서열 | 27 | Gcccccatgaaagaagcaaacatccgaggacaaggtggcttggcctacccaggtgtgc ggacccatgggaCtctggagagcgtgaatgggcccaaggcaggttcaagaggcttgac atcattggctgacactttcgaacacatGatagaagagctgttggatgaggaccagaaagtt cggcccaatgaagaaaacaataaggacgcagacttgtaCacgtccagggtgatgctcag tagtcaagtgcctttggagcctcctcttctctttctgctggaggaatacaaaaattacctagat gctgcaaacatgtccatgagggtccggcgc |
| 프라이머 BDNFproVF1 | 28 | GCTGGCTAGCACCCATGAAAGAAGCAAACATCCGAG |
| 프라이머 BDNFproVR1 | 29 | CCGCTCGAGGTGGCGCCGGACCCTCATG |
| 프라이머쌍 1D3-HF | 30 | gcctttcctggtttcctgtctcaggtgcagctggtggag |
| 프라이머쌍 1D3-HR | 31 | ATGGGCCCTTGGTGGAGGCACTCGAGACGGTGACCGTG |
| 프라이머쌍 HF1F | 32 | ggctaactagagaacccactgc |
| 프라이머쌍 HF1R | 33 | AGACAGGAAACCAGGAAAGGC |
| 프라이머쌍 HF3F | 34 | gcctccaccaagggcccatc |
| 프라이머쌍 HF3R | 35 | gacaatcttagcgcagaagtc |
| 프라이머쌍 1D3-LF | 36 | ctttggtttccaggtgcaagatgtgatgttgtgatgactcagtctcc |
| 프라이머쌍 1D3-LR | 37 | CACCGTACGTTTGATCTCCAGCTTGG |
| 프라이머쌍 LF1F | 38 | ggctaactagagaacccactgc |
| LF1R | 39 | ACATCTTGCACCTGGAAACCAAAG |
| E1 | 40 | pmkeanirgqgglaypgvrthgtlesvngpkagsrgltsladtfehmieelldedq |
| E2 | 41 | kvrpneennkdadlytsrvmlssqvpleppllflleeyknyldaa nMsmrvrrh |
| E3 | 42 | pmkeanirgqgglaypgvrthgtlesvngpkagsrgl |
| E4 | 43 | tsladtfehmieelldedqkvrpneennkdadlytsr |
| E5 | 44 | vmlssqvpleppllflleeyknyldaa nMsmrvrrh |
| VP | 45 | VMLSSQVPLEPP |
| LL | 46 | LLFLLEEYKNYL |
| DH | 47 | DAA nMSMRVRRH |
Claims (21)
- SEQ ID NO: 41로 표시되는 아미노산 서열을 포함하는 것을 특징으로 하는 폴리펩티드.
- SEQ ID NO: 44로 표시되는 아미노산 서열을 포함하는 것을 특징으로 하는 폴리펩티드.
- SEQ ID NO: 47로 표시되는 아미노산 서열을 포함하는 것을 특징으로 하는 폴리펩티드.
- 제1항 내지 제3항 중 어느 한 항에 따른 폴리펩티드에 특이적으로 결합되는 단백질.
- 제4항에 있어서,
상기 단백질과 인간 pro-BDNF의 결합 친화력이 < 10 nM인 것을 특징으로 하는 단백질. - 제4항 또는 제5항에 있어서,
상기 단백질은 항체인 것을 특징으로 하는 단백질. - 제6항에 있어서,
상기 항체의 경쇄 가변 영역은,
SEQ ID NO: 4 또는 SEQ ID NO: 14로 표시되는 CDR1;
SEQ ID NO: 5 또는 SEQ ID NO: 15로 표시되는 CDR2; 및
SEQ ID NO: 6 또는 SEQ ID NO: 16으로 표시되는 CDR3을 구비하는 것을 특징으로 하는 단백질. - 제7항에 있어서,
상기 항체의 경쇄 가변 영역은,
SEQ ID NO: 4로 표시되는 CDR1, SEQ ID NO: 5로 표시되는 CDR2 및 SEQ ID NO: 6으로 표시되는 CDR3; 또는
SEQ ID NO: 14로 표시되는 CDR1, SEQ ID NO: 15로 표시되는 CDR2 및 SEQ ID NO: 16으로 표시되는 CDR3을 구비하는 것을 특징으로 하는 단백질. - 제6항에 있어서,
상기 항체의 중쇄 가변 영역은,
SEQ ID NO: 1 또는 SEQ ID NO: 11로 표시되는 CDR1;
SEQ ID NO: 2 또는 SEQ ID NO: 12로 표시되는 CDR2; 및
SEQ ID NO: 3 또는 SEQ ID NO: 13으로 표시되는 CDR3을 구비하는 것을 특징으로 하는 단백질. - 제9항에 있어서,
상기 항체의 중쇄 가변 영역은,
SEQ ID NO: 1로 표시되는 CDR1, SEQ ID NO: 2로 표시되는 CDR2, 및 SEQ ID NO: 3으로 표시되는 CDR3; 또는
SEQ ID NO: 11로 표시되는 CDR1, SEQ ID NO: 12로 표시되는 CDR2 및 SEQ ID NO: 13으로 표시되는 CDR3을 구비하는 것을 특징으로 하는 단백질. - 제6항 내지 제10항 중 어느 한 항에 있어서,
상기 항체는,
중쇄 가변 영역은 SEQ ID NO: 1, SEQ ID NO: 2 및 SEQ ID NO: 3으로 표시되는 서열을 포함하고, 경쇄 가변 영역은 SEQ ID NO: 4, SEQ ID NO: 5 및 SEQ ID NO: 6으로 표시되는 서열을 포함하는 항체(a);
중쇄 가변 영역은 SEQ ID NO: 11, SEQ ID NO: 12 및 SEQ ID NO: 13으로 표시되는 서열을 포함하며, 경쇄 가변 영역은 SEQ ID NO: 14, SEQ ID NO: 15 및 SEQ ID NO: 16으로 표시되는 서열을 포함하는 항체(b); 및
항체(a) 또는 항체(b)의 변이체이고, 항체(a) 또는 항체(b)의 활성을 갖거나 기본적으로 갖는 항체(c)로부터 선택되는 것을 특징으로 하는 단백질. - 제6항에 있어서,
상기 항체는,
SEQ ID NO: 7로 표시되는 중쇄 가변 영역 및 SEQ ID NO: 8로 표시되는 경쇄 가변 영역을 갖는 항체(d);
SEQ ID NO: 17로 표시되는 중쇄 가변 영역 및 SEQ ID NO: 18로 표시되는 경쇄 가변 영역을 갖는 항체(e); 및
항체(d) 또는 항체(e)의 변이체이고, 항체(d) 또는 항체(e)의 활성을 갖거나 기본적으로 갖는 항체(f)로부터 선택되는 것을 특징으로 하는 단백질. - 제4항 또는 제5항에 있어서,
상기 단백질은 제1항 내재 제3항 중 어느 한 항에 따른 폴리펩티드로 동물을 면역시켜 얻거나, 제1항 내재 제3항 중 어느 한 항에 따른 폴리펩티드로 파지 라이브러리를 스크리닝하여 얻는 것을 특징으로 하는 단백질. - 제4항 내지 제13항 중 어느 한 항에 따른 단백질 및 임의의 하나 또는 여러 가지의 약학적으로 허용 가능한 부형제, 희석제 또는 담체를 포함하는 것을 특징으로 하는 약물 조성물.
- 자가 면역 질환의 예방, 치료 또는 진단용 약물을 제조하기 위한 제4항 내지 제13항 중 어느 한 항에 따른 단백질의 용도.
- pro-BDNF 매개 질환의 예방, 치료 또는 진단용 약물을 제조하기 위한 제4항 내지 제13항 중 어느 한 항에 따른 단백질의 용도.
- 제16항에 있어서,
상기 질환은 관절염, 류마티스 관절염, 강직성 척추염, 재생 불량성 빈혈, 건선, 인슐린 의존성 당뇨병, 다발성 경화증, 한랭글로불린혈증, 만성 폐쇄성 폐질환, 전신홍반루푸스(SLE), 홍반성 신장염, 천식, 다발성 경화증 또는 낭포성 섬유증인 것을 특징으로 하는 용도. - TNF-α, IL-2, IL-6 또는 IL-4의 분비를 억제하여 질환의 예방, 치료 또는 진단용 약물을 제조하기 위한 제4항 내지 제13항 중 어느 한 항에 따른 단백질의 용도.
- 통증 완화용 약물을 제조하기 위한 제4항 내지 제13항 중 어느 한 항에 따른 단백질의 용도.
- 제4항 내지 제13항 중 어느 한 항에 따른 단백질을 코딩하는 핵산.
- 제1항 내지 제3항 중 어느 한 항에 따른 폴리펩티드로 동물을 면역시키거나 제1항 내지 제3항 중 어느 한 항에 따른 폴리펩티드로 파지 라이브러리를 스크리닝하는 단계를 포함하는 것을 특징으로 하는 항체의 스크리닝 방법.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710752743.8 | 2017-08-28 | ||
| CN201710752743 | 2017-08-28 | ||
| PCT/CN2018/102745 WO2019042282A1 (zh) | 2017-08-28 | 2018-08-28 | 多肽及结合多肽的抗体 |
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| KR20200095455A true KR20200095455A (ko) | 2020-08-10 |
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| US (1) | US11479603B2 (ko) |
| EP (1) | EP3677280A4 (ko) |
| JP (1) | JP2020531041A (ko) |
| KR (1) | KR20200095455A (ko) |
| CN (1) | CN109422805A (ko) |
| AU (1) | AU2018325842A1 (ko) |
| CA (1) | CA3074128A1 (ko) |
| MX (1) | MX2020002351A (ko) |
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| CN112165957A (zh) * | 2018-03-26 | 2021-01-01 | 上海易乐生物技术有限公司 | proBDNF调节剂在B细胞相关疾病中的用途 |
| CN112574305B (zh) * | 2020-12-30 | 2022-04-22 | 深圳清华大学研究院 | 针对前体脑源性神经营养因子的抗体及其应用 |
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-
2018
- 2018-08-28 KR KR1020207008932A patent/KR20200095455A/ko not_active Withdrawn
- 2018-08-28 AU AU2018325842A patent/AU2018325842A1/en not_active Abandoned
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- 2018-08-28 CA CA3074128A patent/CA3074128A1/en active Pending
- 2018-08-28 WO PCT/CN2018/102745 patent/WO2019042282A1/zh not_active Ceased
- 2018-08-28 CN CN201810989455.9A patent/CN109422805A/zh active Pending
- 2018-08-28 MX MX2020002351A patent/MX2020002351A/es unknown
- 2018-08-28 JP JP2020512810A patent/JP2020531041A/ja active Pending
- 2018-08-28 SG SG11202001813UA patent/SG11202001813UA/en unknown
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| US20210061896A1 (en) | 2021-03-04 |
| JP2020531041A (ja) | 2020-11-05 |
| EP3677280A4 (en) | 2021-05-12 |
| SG11202001813UA (en) | 2020-03-30 |
| WO2019042282A1 (zh) | 2019-03-07 |
| CA3074128A1 (en) | 2019-03-07 |
| EP3677280A1 (en) | 2020-07-08 |
| CN109422805A (zh) | 2019-03-05 |
| MX2020002351A (es) | 2021-02-26 |
| US11479603B2 (en) | 2022-10-25 |
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