KR20170061192A - 항-인플루엔자 활성을 가진 자나미비르 포스포네이트 동족체 및 인플루엔자 바이러스의 오셀타미비르 감수성을 확인하는 방법 - Google Patents
항-인플루엔자 활성을 가진 자나미비르 포스포네이트 동족체 및 인플루엔자 바이러스의 오셀타미비르 감수성을 확인하는 방법 Download PDFInfo
- Publication number
- KR20170061192A KR20170061192A KR1020177014263A KR20177014263A KR20170061192A KR 20170061192 A KR20170061192 A KR 20170061192A KR 1020177014263 A KR1020177014263 A KR 1020177014263A KR 20177014263 A KR20177014263 A KR 20177014263A KR 20170061192 A KR20170061192 A KR 20170061192A
- Authority
- KR
- South Korea
- Prior art keywords
- influenza
- oseltamivir
- virus
- binding
- neuraminidase
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Abstract
Description
생물분석 a | 측정항목 | 1a | 1b | 자나미비르 | 오셀타미비르산 |
WSN (H1N1) | IC50 (nM) b | 0.65 ± 0.05 | 1.2 ± 0.4 | 5.3 ± 2.1 | 2.6 ± 1.1 |
EC50 (nM) c | 1.3 | 2.4 ± 0.8 | 23.5 ± 8.5 | 12.2 ± 2.3 | |
WSN_274Y (H1N1) | IC50 (nM) b | 0.5 | 0.25 ± 0.05 | 1.75 ± 0.75 | 593 ± 68 |
EC50 (nM) c | 27 | 26 ± 8 | 290 ± 15 | 30000 ± 1600 | |
Pandemic (H1N1) | IC50 (nM) b | 0.9 | 0.8 | 4.3 | 1.7 |
EC50 (nM) c | 20.3 | 26.5 | 267 | 76 | |
RG14 (H5N1) | IC50 (nM) b | 1.0 | 0.8 | 4.0 | 0.6 |
EC50 (nM) c | 978 | 1700 ± 500 | 16360 ± 2980 | 1250 ± 440 | |
Udorn (H3N2) | IC50 (nM) b | 6.4 | 5.2 | 37.9 | 3.2 |
EC50 (nM) c | 55 | 32 ± 23 | 41 ± 6 | 3.0 ± 1.8 | |
293T cell | CC50 (nM) d | > 30,000 | > 50,000 | > 100,000 | > 100,000 |
명칭 a | OC b | AA 274 | 신속 검사 | 명칭 a | OC b | AA 274 | 신속 검사 |
2009-03510 | R | Tyr | 2008-09198 | R | |||
2009-02548 | R | Tyr | 2008-90003 | S | S(49) | ||
2009-02020 | R | 2008-09020 | S | His | |||
2009-01051 | R | 2008-11548 | R | ||||
2009-01022 | R | 2008-05866 | R | Tyr | |||
2009-00516 | R | 2008-05860 | R | Tyr | |||
2009-00513 | R | 2008-05859 | R | Tyr | |||
2009-00512 | R | 2008-05858 | R | Tyr | |||
2009-01524 | R | Tyr | 2008-05857 | R | Tyr | ||
2009-00521 | R | 2008-11547 | R | ||||
2009-00519 | R | 2008-00286 | R | Tyr | |||
2009-00518 | R | 2008-05855 | R | Tyr | |||
2009-04512 | R | 2008-02901 | R | ||||
2009-00511 | R | 2008-00279 | R | Tyr | |||
2009-03518 | R | 2008-00839 | R | ||||
2009-03019 | R | Tyr | 2008-00275 | R | |||
2009-03005 | R | Tyr | 2008-08451 | R | Tyr | ||
2009-90010 | R | 2008-00273 | R | ||||
2009-02530 | R | Tyr | 2008-09159 | R | Tyr | ||
2009-02027 | R | Tyr | 2008-09042 | R | Tyr | R(33) | |
2009-02031 | R | 2008-08949 | R | Tyr | |||
2009-01026 | R | Tyr | 2008-08885 | S | His | ||
2009-04511 | R | Tyr | 2008-05853 | R | Tyr | ||
2009-01518 | R | 2008-08416 | S | His | |||
2009-01516 | R | 2008-00258 | S | His | |||
2009-04017 | R | 2008-10103 | R | Tyr | R(26) | ||
2009-03522 | R | Tyr | 2008-06758 | R | Tyr | ||
2009-03507 | R | 2008-02885 | R | Tyr | |||
2009-03003 | R | Tyr | 2008-06723 | S | His | ||
2009-03002 | R | Tyr | 2008-10099 | R | Tyr | ||
2009-02022 | R | 2008-10095 | S | His | |||
2009-01043 | R | 2008-08319 | S | His | |||
2009-03006 | R | 2008-02832 | R | Tyr | R(19) | ||
2009-00024 | R | Tyr | 2008-00233 | S | His | S(18) | |
2009-04010 | R | Tyr | 2008-05506 | S | His | S(17) | |
2009-00515 | R | Tyr | 2008-07903 | S | |||
2009-00514 | R | 2008-07895 | R | R(16) | |||
2009-00510 | R | 2008-07860 | R | Tyr | R(13) | ||
2009-04503 | R | Tyr | 2008-02808 | S | His | ||
2009-01514 | R | 2008-05815 | S | His | |||
2009-01021 | S | His | 2008-03293 | S | |||
2009-02013 | R | 2008-09169 | S | ||||
2009-04007 | R | 2008-04240 | S | ||||
2009-02010 | R | Tyr | 2008-03135 | S | |||
2009-01522 | S | His | 2008-02612 | S | |||
2008-03020 | S | His | S(73) | 2008-04226 | S | ||
2009-00009 | R | 2008-04063 | S | ||||
2009-00008 | R | Tyr | 2008-04169 | S | |||
2008-11526 | R | Tyr | 2007-05601 | S | |||
2008-00846 | R | 2007-02774 | S | ||||
2008-00842 | R | 2007-02578 | S | ||||
2008-09219 | R | 2007-05222 | S | ||||
2008-00843 | R | 2007-04656 | S | ||||
2008-02904 | R | 2007-02820 | S | ||||
2008-09202 | R | 2007-02523 | S | ||||
2008-05878 | R | Tyr | 2007-02864 | S | |||
2008-09201 | R | 2007-03700 | S | ||||
2008-06020 | S | His | S(64) | 2007-02782 | S | ||
2008-05879 | R | Tyr | 2006-05288 | S | |||
2008-02906 | R | 2006-06542 | S | ||||
2008-08884 | S | His | 2006-00061 | S | |||
2008-09200 | R | Tyr | 2006-05751 | S | |||
2008-09199 | R | 2006-00010 | S | ||||
2008-02415 | R | Tyr | 2006-04130 | S | |||
2008-00841 | R | 2005-05524 | S | ||||
2008-10128 | R | Tyr | 2005-10393 | S | |||
2008-02418 | R | 2005-05515 | S | ||||
2008-05877 | R | Tyr | 2005-03468 | S | |||
2008-00302 | R | ||||||
aCDC 바이러스 명 bOC 감수성 |
도 1은 자나미비르 포스포네이트 동족체 및 유도체의 합성 경로를 도시한 것이다.
도 2A-2D는 화합물 1a (2A), 화합물 1b (2B), 자나미비르 (2C) 및 오셀타미비르산 (2D)의 분자 모델을 도시한 것이다.
도 3은 자나미비르-바이오틴 접합체 (ZB, 9)의 합성 경로를 도시한 것이다.
도 4는 자나미비르-형광 접합체 15 및 17의 합성 경로를 도시한 것이다.
도 5는 타미포스포르-바이오틴 접합체 24의 합성 경로를 도시한 것이다.
도 6은 디자나미비르-바이오틴 접합체 26의 합성 경로를 도시한 것이다.
도 7A-7B는 고정된 인플루엔자 샘플을 이용한 오셀타미비르 카르복실레이트 (OC) 감수성 확인을 도시한 것이다. (7A) 본 실험에 사용된 화합물의 구조. (7B) OC 감수성 (S) 또는 OC 내성 (R) WSN 바이러스 샘플들을 항-HA 코팅된 마이크로플레이트 웰에 웰 당 105, 104 또는 103 PFU로 고정하였다. 3개의 동일한 웰에 고정한 바이러스 샘플을 전체 결합의 경우에는 30 nM ZB와 인큐베이션하거나, 또는 OC 내성 ZB와의 결합성을 측정하기 위해 30 nM ZB + 150 nM 경쟁적인 OC와 인큐베이션하였다. 결합된 바이러스를 스트렙타비딘이 접합된 알칼리 포스파타제와 다시 인큐베이션한 다음, 화학발광 기질과 인큐베이션하여, 결합된 알칼리 포스파타제에 의한 촉매 반응으로 인한 상대적인 발광 단위 (RLU) 증가를 측정하였다. OC 내성 ZB 결합성 수치를 OC 경쟁 존재 하에 측정한 RLU : OC 부재시에 측정한 RLU 비로서 계산하였다. 경쟁적인 OC에 의한 유의한 결합 감소를 일으키는 조건을 p < 0.001로 "**"로 표시하였다. 점선은 고역가 (웰 당 105 PFU) 274H 바이러스 샘플을 사용하였을 때 OC로 경쟁적으로 저해할 수 없는 ZB 잔류 결합성 3%를 표시한 것이다.
도 8A-8D는 2005-2009년간 대만에서 수집한 임상 인플루엔자 분리주의 OC 감수성을 측정한 결과를 나타낸 것이다. 2005-2007년 (8A), 2008년 (8B), 및 2009년 (8C) 대만에서 수집한 계절성 H1N1을 OC 감수성 연구에 사용하였다. OC 내성 ZB 결합성을 측정하고, 도 1B에 나타낸 바와 같이 계산하였다. 결합 결과가 1% 미만이면 1%로 나타내었다. 결합성 5%를 표시하는 점선을 사용하여 검사 바이러스들의 감수성 상태를 표시하였다. (8D) 2009년 유해성 H1N1 분리주 7종의 OC 감수성을 전체 결합성 및 OC-내성 결합성에 3세트 측정을 수행하는 것을 제외하고는, 동일한 방식으로 측정하였다. 또한, 전체 결합성과 OC 내성 결합성을 나타낸다.
도 9A-9D는 인플루엔자 바이러스 샘플의 OC 감수성을 측정하기 위한 프로토타입의 "현장용" 분석을 나타낸 것이다. (9A) PVDF 막과 항-HA 항체가 고정된 슬롯을 이용하여, 30 nM ZB 또는 30 nM ZB + 150 nM OC와 예비 인큐베이션한 인플루엔자 샘플을 흡착시켰다. 본 실험에서, 야생형 WSN (274H) 또는 OC 내성 WSN (274Y) 돌연변이 바이러스를 슬롯 당 104, 105, 106 PFU로 사용하였다. 블롯팅과 세척한 후, 막에 알칼리 포스파타제와 스트렙타비딘 접합체를 처리하고, BCIP/NBT로 염색하여, 바이러스 샘플의 OC 감수성을 가시적으로 확인하였다. (9B) 도 8B에 나타낸 2008년 대만 계절성 H1N1 분리주 10종을 멤브레인 분석을 통해 검증하였다. (9C) 마찬가지로, 도 8D에서 테스트한 4종의 유행성 H1N1 바이러스 균주를 프로토타입 분석을 통해 평가하였다. (9D) ZB 결합에 대한 OC의 경쟁은 항체를 사용하지 않고 PVDF 막에 바이러스 샘플을 직접 고정시키는 수정된 방법을 이용하고, 동일한 방식으로 처리하여, 수종의 다른 A 타입 또는 B 타입 인플루엔자 바이러스에서 확인하였다.
도 10은 A/Hanoi/30408/2005 H5N1 뉴라미니다제 cDNA를 발현하는 293T 세포의 표면에서의 ZB (자나미비르 바이오틴) 결합성을 나타낸 것이다. 293T 세포를 NA 발현 벡터인 pCDNA3.1-NA로 리포펙타민™ 2000 (Invitrogen, Carlsbad, USA)을 이용하여 형질감염시켰다. 48시간 후, 형질감염시킨 세포를 100 nM 자나미비르-바이오틴 (ZB)으로 염색한 다음, DyLight 488와 접합된 스트렙타비딘과 추가로 인큐베이션하였다. 면역형광 이미지를 Leica TCS-SP5 레이저 주사 공초점 현미경을 이용하여 포착하였다.
도 11A-11F는 OC 내성 뉴라미니다제를 발현하는 세포를 다양한 함량으로 293 세포와 혼합하였을 때의 ZB 결합성을 도시한 것이다. OC 민감 (274H)을 발현하는 재조합 293T 세포를 OC 내성 (274Y) 세포와 다음과 같은 여러가지 비율로 혼합하였다: (11A) 274H:274Y = 100:0, (11B) 274H:274Y = 999:1, (11C) 274H:274Y = 99:1, (11D) 274H:274Y = 95:5, (11E) 274H:274Y = 90:10, (11F) 274H:274Y = 0:100. 혼합 세포에 10 nM ZB를 실온에서 1시간 처리한 다음, APC-스트렙타비딘 접합체를 부가한 후, FACSCanto (Becton Dickinson)와 FCS Express 3.0 소프트웨어로 분석하였다. ZB 표지된 세포 퍼센트는 11A, 83.95%; 11B, 84.4%; 11C, 84.62%; 11D, 86.07%; 11E, 83.58%; 및 11F, 75.1%이었다.
도 12A-12F는 293T 세포를 OC 내성 뉴라미니다제를 발현하는 다양한 비율의 세포와 혼합한 경우의, 오셀타미비르 카르복실레이트 내성 균주에 대한 ZB 결합성을 도시한 것이다. 도 11에서와 같이, 세포에 10 nM ZB와 과량의 OC 300 nM를 처리하고, 유사하게 가공하였다. ZB 표지된 세포 퍼센트는 12A, 1.00%; 12B, 2.64%; 12C, 2.78%; 12D, 7.10%; 12E, 12.41%; 및 12F, 68.29%이었다.
도 13A-13B는 MDCK 세포로 감염된 인플루엔자 바이러스와 ZB의 결합에 대한 OC의 경쟁성을 도시한 것이다. (13A) MDCK 세포에 OC 감수성 274H 바이러스 또는 OC 내성 274Y 바이러스를 감염시켰다. 감염 후 20시간 후, 274H 바이러스로 감염된 세포를, 경쟁적인 OC가 다양한 농도로 존재하는 조건 하에 ZB 10 nM (△) 또는 50 nM (○)과 인큐베이션하였다. 마찬가지로, 274Y 바이러스로 감염된 세포도 다양한 함량의 OC 존재 하에 10 nM ZB (▲) 또는 50 nM ZB (●)와 인큐베이션하였다. ZB가 결합된 세포를, 스트렙타비딘이 접합된 알칼리 포스파타제와 추가로 인큐베이션하여, 여러가지 농도의 경쟁적인 OC 존재 하에 상대적인 ZB 결합성을 측정하였다. (13B) OC 감수성 (274H) 바이러스 또는 OC 내성 (274Y) WSN 바이러스를 감염시키고, 30 nM ZB 또는 30 nM ZB + 150 nM OC와 인큐베이션한 다음 스트렙타비딘이 접합된 PE와 인큐베이션한, MDCK 세포 사진. 형광 이미지를 488 및 575 nm에서 여기 및 방출시킨 레이저 유도 플레이트 판독기로 포착하였다.
도 14는 경쟁적인 OC와 ZB의 결합에 의해 OC에 내성인 바이러스 함량을 추산하기 위한 고정된 WSN 바이러스에 대한 RABC 분석 결과를 도시한 것이다. 274H 및 274Y 바이러스 함량이 다양한 혼성 WSN 바이러스 샘플들을 항-HA로 코팅된 마이크로웰에 각각 웰 당 105 PFU (▲), 104 PFU (□) 및 103 PFU (●)로 3세트로 고정하였다. 여기에, 30 nM ZB와 150 nM OC를 1시간 동안 첨가한 다음, 스트렙타비딘이 접합된 알칼리 포스파타제와 커플링시켜, 실험에 사용된 274Y의 양에 대해 그래프로 작성된 OC 내성 퍼센트 추정치를 결정하였다.
도 15-63은 본 발명의 화합물들의 NMR 스펙트럼을 도시한 것이다.
Claims (15)
- 오셀타미비르에 대해 내성인 인플루엔자 바이러스의 존재를 확인하는 방법으로서,
상기 방법은,
(a) 오셀타미비르에 대해 내성인 인플루엔자 바이러스 또는 바이러스 입자를 함유하는 것으로 의심되는 샘플을 제공하는 단계;
(b) 상기 샘플에, 오셀타미비르 카르복실레이트 (OC)의 존재 또는 부재하에, 인플루엔자 뉴라미니다제 인지 유닛 (R)을 포함하는 결합 분자와 접촉시키는 단계; 및
(c) 상기 결합 분자와, 상기 인플루엔자 바이러스 또는 바이러스 입자의, 오셀타미비르의 존재시와 부재시의 결합 차이를 확인하는 단계를 포함하며,
오셀타미비르 존재시의 상기 인지 유닛 (R)에 의한 결합 수준의 감소가, 오셀타미비르 민감성 인플루엔자 바이러스 대조군과의 접촉시의 결합 수준 감소에 비해 미비(lack)한 것은, 샘플내 오셀타미비르에 대해 내성인 인플루엔자 바이러스가 존재함을 의미하는 것을 특징으로 하는 방법. - 제1항에 있어서, 상기 오셀타미비르에 대해 내성인 인플루엔자는 인플루엔자의 뉴라미니다제 (NA) 단백질의 274번 아미노산 위치에서의 돌연변이를 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 인플루엔자 돌연변이가 본 발명에 기술된 인지 유닛 (R)에는 여전히 민감하지만 뉴라미니다제 저해제 약물에는 내성인 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 인플루엔자 바이러스를 함유하는 샘플은 점액, 타액, 호흡기 분비물, 인후 세척물, 코 세척물, 척수액, 가래, 뇨, 정자, 땀, 변, 혈장, 혈액, 기관지폐포 체액, 질액, 눈물 및 조직 생검으로 이루어진 군으로부터 선택되는 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 인플루엔자 바이러스에 대한 상기 인지 유닛 (R)의 결합이 오셀타미비르 카르복실레이트에 의한 동시 결합에 의해 경쟁적으로 저해되는 것을 특징으로 하는 방법.
- 제5항에 있어서, 상기 인지 유닛 (R)이 자나미비르, 타미포스포르 구아니딘 모노에스테르 또는 포스파자나미비르 또는 이의 모노에스테르, 및 이들의 염, 에스테르 및 유도체로부터 선택되는 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 인지 유닛 (R)이 검출가능한 감지 유닛 (S)에 커플링되는 것을 특징으로 하는 방법.
- 제7항에 있어서, 상기 인지 유닛 (R)이, 상기 결합 분자가 R-L-S 구조가 되도록, 링커 (L)을 통해 감지 유닛 (S)에 커플링되는 것을 특징으로 하는 방법.
- 제8항에 있어서, 상기 링커 (L)는 지방족 체인, 트리아졸, 수용성 링커 및 에틸렌 글리콜 링커로부터 선택되는 것을 특징으로 하는 방법.
- 제7항에 있어서, 상기 감지 유닛은 형광 표지, 금 표지, 효소 효지, 방사성 표지, 양자점(quantum dot) 표지, 바이오틴-아비딘계 표지 및 단백질 표지로부터 선택되는 검출가능한 모이어티인 것을 특징으로 하는 방법.
- 제10항에 있어서, 상기 형광 표지는 플루오레세인, BODIPY, Alexa Fluor, Cy3, Cy5, 오레곤 그린(Oregon Green), 테트라메틸로다민, 로다민 Red, Texas Red, 피리딜옥사졸, 벤즈옥사디아졸 유도체, NBD 할라이드, 요오도아세트아미드, SBD; 루시퍼 옐로우(Lucifer Yellow), 요오도아세트아미드(iodoacetamide); 스틸벤(stilbene), 쿠마린(coumarin), 나프탈렌, 아지리딘, 다폭실(dapoxyl), 피렌(pyrene), 비만(bimanes), 잔텐(xanthene), 시아닌(cyanine), 프탈로시아닌(phthalocyanine), 피코빌리단백질(phycobiliprotein), 스쿠아렌 염료(squarene dye), 에너지 전달 염료 조합물(energy transfer dye combination) 및 이들의 유도체로부터 선택되는 것을 특징으로 하는 방법.
- 제8항에 있어서, 상기 R-L-S 분자는 하기 화합물로 이루어진 군으로부터 선택되는 것을 특징으로 하는 방법:
BM 1: 자나미비르-(트리아졸 링커)-바이오틴
,
BM 2: 자나미비르-(트리아졸 링커)-플루오레세인
,
BM 3: 자나미비르-(에틸렌 글리콜 링커)-바이오틴
(x = 1 - 4),
BM 4: 자나미비르-(에틸렌 글리콜 링커)-플루오레세인
,
BM 5: (타미포스포르 구아니딘)-(지방족 체인 링커)-바이오틴
(x = 1 - 4),
BM 6: (타미포스포르 구아니딘)-(에틸렌 글리콜 링커)-플루오레세인
,
BM 7: 포스파자나미비르-(트리아졸 링커)-바이오틴
,
BM 8: 포스파자나미비르-(에틸렌 글리콜 링커)-플루오레세인
,
BM 9: (포스파자나미비르 모노에스테르)-(에틸렌 글리콜 링커)-바이오틴
(x = 1 - 4),
BM 10: (포스파자나미비르 모노에스테르)-(에틸렌 글리콜 링커)-플루오레세인
(x = 1 - 4). - 제1항에 있어서, 상기 R이 포스파자나미비르 또는 이의 유도체인 것을 특징으로 하는 방법.
- 제13항에 있어서, 오셀타미비르 카르복실레이트와 경쟁적으로 결합하는 화합물 R이 식 (I)의 화합물인 것을 특징으로 하는 방법:
상기 식 (I)에서,
A는 PO(OR)(OR5)이되, R과 R5는 독립적으로 H, C1-C10 알킬, 아릴, 아랄킬 및 X로 이루어진 군으로부터 선택되고, X는 암모늄, 메틸 암모늄, 디메틸암모늄, 트리메틸암모늄, 테트라메틸암모늄, 에탄올-암모늄, 디사이클로헥실암모늄, 구아니디늄, 에틸렌디암모늄 양이온, 리튬 양이온, 소듐 양이온, 포타슘 양이온, 세슘 양이온, 베릴륨 양이온, 마그네슘 양이온, 칼슘 양이온 및 아연 양이온으로 이루어진 군으로부터 선택되는 양이온성 반대이온이고;
B는 NHR6, NH3 +Y-, R6N(C=NH)NH2 또는 R6N(C=NH2 +)NH2Y-이되, R6는 수소, C1-C10 알킬, 아릴 또는 아랄킬이고, Y-는 클로라이드, 브로마이드, 요오드화물, 아세테이트, 트리플루오로아세테이트, 포스페이트, 디포스페이트, 나이트레이트, 설페이트, 벤젠설포네이트, 벤조에이트, 살리실레이트, 하이드록시나프토에이트, 퓨마레이트, 말리에이트, 락테이트, 말레이트, 숙시네이트, 타르트레이트, 사이트레이트, 글루타메이트, 글루코네이트 및 스테아레이트로 이루어진 군으로부터 선택되는 음이온성 반대 이온이고;
R1은 CH3 또는 CF3이고;
R2는 H, C1-C10 알킬 또는 O=C-NHR7이되, R7은 바이오틴, 형광단 및 항염증제와 같은 기능성 모이어티가 결합된 링커이고; 및
R3 및 R4는 독립적으로 수소, C1-C10 알킬 또는 O=C-R8이되, R8은 C1-C10 알킬, 아릴 또는 아랄킬이다.
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CN104777301B (zh) | 2018-04-20 |
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JP5947289B2 (ja) | 2016-07-06 |
CA2835489C (en) | 2018-03-06 |
EP2975409A1 (en) | 2016-01-20 |
KR101915647B1 (ko) | 2018-11-06 |
JP2013528160A (ja) | 2013-07-08 |
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