KR20200097134A - 교차반응이 없는 폐렴구균 항혈청 및 이의 제조방법 - Google Patents
교차반응이 없는 폐렴구균 항혈청 및 이의 제조방법 Download PDFInfo
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- KR20200097134A KR20200097134A KR1020190014539A KR20190014539A KR20200097134A KR 20200097134 A KR20200097134 A KR 20200097134A KR 1020190014539 A KR1020190014539 A KR 1020190014539A KR 20190014539 A KR20190014539 A KR 20190014539A KR 20200097134 A KR20200097134 A KR 20200097134A
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- C07K16/12—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from bacteria
- C07K16/1267—Gram-positive bacteria
- C07K16/1275—Streptococcus (G)
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- C07K—PEPTIDES
- C07K16/00—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies
- C07K16/06—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies from serum
- C07K16/065—Purification, fragmentation
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- C12N1/00—Microorganisms; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
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- C12Q1/02—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving viable microorganisms
- C12Q1/04—Determining presence or kind of microorganism; Use of selective media for testing antibiotics or bacteriocides; Compositions containing a chemical indicator therefor
- C12Q1/14—Streptococcus; Staphylococcus
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/569—Immunoassay; Biospecific binding assay; Materials therefor for microorganisms, e.g. protozoa, bacteria, viruses
- G01N33/56911—Bacteria
- G01N33/56944—Streptococcus
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K39/00—Medicinal preparations containing antigens or antibodies
- A61K2039/505—Medicinal preparations containing antigens or antibodies comprising antibodies
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- C—CHEMISTRY; METALLURGY
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- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/10—Immunoglobulins specific features characterized by their source of isolation or production
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/30—Immunoglobulins specific features characterized by aspects of specificity or valency
- C07K2317/33—Crossreactivity, e.g. for species or epitope, or lack of said crossreactivity
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/30—Immunoglobulins specific features characterized by aspects of specificity or valency
- C07K2317/35—Valency
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12R—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES C12C - C12Q, RELATING TO MICROORGANISMS
- C12R2001/00—Microorganisms ; Processes using microorganisms
- C12R2001/01—Bacteria or Actinomycetales ; using bacteria or Actinomycetales
- C12R2001/46—Streptococcus ; Enterococcus; Lactococcus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2333/00—Assays involving biological materials from specific organisms or of a specific nature
- G01N2333/195—Assays involving biological materials from specific organisms or of a specific nature from bacteria
- G01N2333/315—Assays involving biological materials from specific organisms or of a specific nature from bacteria from Streptococcus (G), e.g. Enterococci
- G01N2333/3156—Assays involving biological materials from specific organisms or of a specific nature from bacteria from Streptococcus (G), e.g. Enterococci from Streptococcus pneumoniae [Pneumococcus]
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Abstract
본 발명의 방법에 따라 제조된 폐렴구균 항혈청은 구조가 유사한 협막다당류를 발현하는 혈청형의 폐렴구균과의 교차반응이 제거되어 특정 혈청형에 대한 특이성이 매우 높다. 따라서, 폐렴구균 협막 다당류의 정확한 함량 측정이 요구되는 관련 기술분야에서 매우 유용하게 활용이 될 수 있다.
Description
Claims (20)
- (a) 폐렴구균(Streptococcus pneumoniae)을 개체에 투여하는 단계;
(b) 상기 개체로부터 혈청을 수득하는 단계;
(c) 상기 (a) 단계에서의 폐렴구균과 상이한 혈청형의 폐렴구균을 상기 혈청에 혼합하고 교차반응(cross-reactivity) 유무를 확인하는 단계; 및
(d) 상기 (c) 단계에서 교차반응이 확인된 경우 교차반응에 의한 응집물을 제거하는 단계를 포함하는 폐렴구균 항혈청 제조방법.
- 제1항에 있어서, 상기 (c) 단계는 상기 (a) 단계에서의 폐렴구균과 상이한 혈청형의 폐렴구균을 혈청형별로 순차적으로 상기 혈청에 혼합하여 교차반응 유무를 확인하는 것을 특징으로 하는 항혈청 제조방법.
- 제1항에 있어서, 상기 (c) 단계는 상기 (a) 단계에서의 폐렴구균과 상이한 혈청형의 폐렴구균 2종 이상을 상기 혈청에 혼합하여 교차반응 유무를 확인하는 것을 특징으로 하는 항혈청 제조방법.
- 제1항에 있어서, 상기 폐렴구균은 혈청형 1, 2, 3, 4, 5, 6A, 6B, 7F, 8, 9N, 9V, 10A, 11A, 12F, 13, 14, 15B, 17F, 18C, 19A, 19F, 20, 22F, 23F 및 33F로 이루어진 군에서 선택되는 것을 특징으로 하는 항혈청 제조방법.
- 제1항에 있어서, 상기 폐렴구균은 불활성화(inactivated) 또는 약독화(live attenuated) 폐렴구균인 것을 특징으로 하는 항혈청 제조방법.
- 제1항에 있어서, 상기 (c) 단계에서의 폐렴구균은 2가 이상의 불활성화 또는 약독화 폐렴구균인 것을 특징으로 하는 항혈청 제조방법.
- 제6항에 있어서, 상기 불활성화는 전자기 복사선의 조사, 가열 및 화학적 처리로 이루어진 군에서 선택된 1종 이상의 방법에 의한 것임을 특징으로 하는 항혈청 제조방법.
- 제6항에 있어서, 상기 약독화는 전자기 복사선의 조사, 가열, 화학적 처리 및 유전자 조작으로 이루어진 군에서 선택된 1종 이상의 방법에 의한 것임을 특징으로 하는 항혈청 제조방법.
- 제1항에 있어서, 상기 (d) 단계에서 교차반응을 제거하는 방법은 원심분리 또는 여과에 의한 제거인 것을 특징으로 하는 항혈청 제조방법.
- 제1항에 있어서, 상기 (d) 단계는 상기 (c) 단계에서 교차반응이 확인된 경우 교차반응에 의한 응집물을 제거한 후, 상기 (c) 단계에서 교차반응이 확인된 혈청형의 폐렴구균을 반복적으로 상기 혈청에 혼합하여 응집물을 제거하는 것을 특징으로 하는 항혈청 제조방법.
- 제1항에 있어서, (e) 상기 (d) 단계에서 응집물이 제거된 항혈청을 상기 (c) 단계에서의 폐렴구균과 혼합한 후 비탁분석을 수행하여 교차반응 제거여부를 확인하는 단계를 추가로 포함하는 것을 특징으로 하는 항혈청 제조방법.
- 제11항에 있어서, 상기 비탁분석 결과가 하기 (i) 및 (ii) 중 어느 하나 이상을 만족할 때까지, 상기 (c) 단계에서 교차반응이 확인된 혈청형의 폐렴구균을 반복적으로 상기 혈청에 혼합하여 응집물을 제거하는 것을 특징으로 하는 항혈청 제조방법:
(i) 상기 (c) 단계에서 교차반응이 확인된 혈청형의 폐렴구균 균체 1.0μg/mL의 비탁분석값 미만
(ii) 공시료(blank)의 평균 비탁분석값 + (3 ⅹ 표준편차) 미만
- 제1항 내지 제12항 중 어느 한 항의 방법에 따라 제조된 폐렴구균 항혈청.
- 제13항의 폐렴구균 항혈청을 유효성분으로 포함하는 폐렴구균 감염 질환 예방 또는 치료용 약학적 조성물.
- 제13항의 폐렴구균 항혈청을 포함하는 폐렴구균 감염 질환 진단용 조성물.
- 제13항의 폐렴구균 항혈청을 포함하는 폐렴구균 항원 정량용 조성물.
- (a) 폐렴구균 항원량이 특정된 표준시료와 상기 제13항의 폐렴구균 항혈청을 반응시키는 단계;
(b) 상기 반응에 따른 시료의 탁도를 분석하여 표준곡선을 작성하는 단계;
(c) 검출대상 시료와 상기 제13항의 폐렴구균 항혈청을 반응시키는 단계; 및
(d) 상기 (c) 단계에서의 반응에 따른 탁도를 분석하고 상기 표준곡선에 적용하여 항원량을 산출하는 단계를 포함하는, 폐렴구균 항원 정량방법.
- 제17항에 있어서, 상기 검출대상 시료는 조직, 세포, 전혈, 혈장, 혈청, 혈액, 타액, 활액, 뇨, 객담, 림프액, 세포간액 또는 백신 조성물인 것을 특징으로 하는 정량방법.
- 제17항에 있어서, 상기 (b) 및 (d) 단계에서의 탁도는 흡광도, 투과율 또는 비탁분석에 의한 것임을 특징으로 하는 정량방법.
- 제17항에 있어서, 상기 비탁분석은 네펠로미터에 의하여 측정되는 것을 특징으로 하는 정량방법.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020190014539A KR20200097134A (ko) | 2019-02-07 | 2019-02-07 | 교차반응이 없는 폐렴구균 항혈청 및 이의 제조방법 |
| EP20752212.9A EP3921341A4 (en) | 2019-02-07 | 2020-02-06 | STREPTOCOCCUS PNEUMONIAE ANTISERUM WITHOUT CROSS-REACTIVITY AND METHOD OF PREPARATION THEREOF |
| US17/429,089 US12252529B2 (en) | 2019-02-07 | 2020-02-06 | Streptococcus pneumoniae antiserum without cross-reactivity and method for producing the same |
| PCT/KR2020/001707 WO2020162689A1 (en) | 2019-02-07 | 2020-02-06 | Streptococcus pneumoniae antiserum without cross-reactivity and method for producing the same |
| KR1020250036064A KR20250047940A (ko) | 2019-02-07 | 2025-03-20 | 교차반응이 없는 폐렴구균 항혈청 및 이의 제조방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020190014539A KR20200097134A (ko) | 2019-02-07 | 2019-02-07 | 교차반응이 없는 폐렴구균 항혈청 및 이의 제조방법 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020250036064A Division KR20250047940A (ko) | 2019-02-07 | 2025-03-20 | 교차반응이 없는 폐렴구균 항혈청 및 이의 제조방법 |
Publications (1)
| Publication Number | Publication Date |
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| KR20200097134A true KR20200097134A (ko) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020190014539A Ceased KR20200097134A (ko) | 2019-02-07 | 2019-02-07 | 교차반응이 없는 폐렴구균 항혈청 및 이의 제조방법 |
| KR1020250036064A Pending KR20250047940A (ko) | 2019-02-07 | 2025-03-20 | 교차반응이 없는 폐렴구균 항혈청 및 이의 제조방법 |
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| KR1020250036064A Pending KR20250047940A (ko) | 2019-02-07 | 2025-03-20 | 교차반응이 없는 폐렴구균 항혈청 및 이의 제조방법 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US12252529B2 (ko) |
| EP (1) | EP3921341A4 (ko) |
| KR (2) | KR20200097134A (ko) |
| WO (1) | WO2020162689A1 (ko) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117756959B (zh) * | 2024-02-22 | 2024-05-14 | 北京民海生物科技有限公司 | 一种肺炎链球菌荚膜多糖的制备方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7348015B2 (en) | 1998-01-14 | 2008-03-25 | Morphogenesis, Inc. | Antigen modified cancer cell vaccines for cancer therapy |
| US6887480B1 (en) * | 1999-06-10 | 2005-05-03 | Medimmune, Inc. | Streptococcus pneumoniae proteins and vaccines |
| CN101952728B (zh) * | 2008-02-01 | 2016-05-11 | 圣诺菲·帕斯图尔有限公司 | 用于诊断肺炎链球菌的试验 |
| AU2010290796B2 (en) * | 2009-09-04 | 2015-05-14 | Munisekhar Medasani | Picrorhiza kurroa extract for prevention, elimination and treatment of infection diseases |
| EP2810078A4 (en) * | 2012-02-01 | 2016-02-17 | Oklahoma Med Res Found | HUMAN STREPTOCOCCUS PNEUMONIAE ANTIBODIES AND APPLICATIONS THEREOF |
| CN116603058A (zh) * | 2015-03-26 | 2023-08-18 | Gpn疫苗有限公司 | 链球菌疫苗 |
| US10259865B2 (en) * | 2017-03-15 | 2019-04-16 | Adma Biologics, Inc. | Anti-pneumococcal hyperimmune globulin for the treatment and prevention of pneumococcal infection |
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2019
- 2019-02-07 KR KR1020190014539A patent/KR20200097134A/ko not_active Ceased
-
2020
- 2020-02-06 US US17/429,089 patent/US12252529B2/en active Active
- 2020-02-06 EP EP20752212.9A patent/EP3921341A4/en active Pending
- 2020-02-06 WO PCT/KR2020/001707 patent/WO2020162689A1/en not_active Ceased
-
2025
- 2025-03-20 KR KR1020250036064A patent/KR20250047940A/ko active Pending
Non-Patent Citations (1)
| Title |
|---|
| (Whitney CG et al., N Engl J Med, 348(18):1737-46, 2003). |
Also Published As
| Publication number | Publication date |
|---|---|
| US20220127339A1 (en) | 2022-04-28 |
| WO2020162689A1 (en) | 2020-08-13 |
| KR20250047940A (ko) | 2025-04-07 |
| US12252529B2 (en) | 2025-03-18 |
| EP3921341A4 (en) | 2022-11-02 |
| EP3921341A1 (en) | 2021-12-15 |
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