KR101710674B1 - Epo 수용체 및 pkc 동시 표적물질을 유효성분으로 포함하는 빈혈의 예방 또는 치료용 약학 조성물 및 이의 용도 - Google Patents
Epo 수용체 및 pkc 동시 표적물질을 유효성분으로 포함하는 빈혈의 예방 또는 치료용 약학 조성물 및 이의 용도 Download PDFInfo
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- KR101710674B1 KR101710674B1 KR1020150103658A KR20150103658A KR101710674B1 KR 101710674 B1 KR101710674 B1 KR 101710674B1 KR 1020150103658 A KR1020150103658 A KR 1020150103658A KR 20150103658 A KR20150103658 A KR 20150103658A KR 101710674 B1 KR101710674 B1 KR 101710674B1
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Abstract
Description
도 2는 C57BL/6 마우스에 5-FU를 IP 주사(3 mg/마우스)하여 빈혈을 유도한 후, EPO(100 IU/마우스), IDB(20 μg/마우스), 또는 운반체를 3, 7, 및 11일에 투여하고 정해진 시간(0, 4, 8, 12, 16, 및 20일)에 채취한 혈액 시료의 RBC(적혈구, 106 세포/μl) (A, B), HCT(헤마토크릿, %) (C, D), Hb(헤모글로빈, g/dl) (E, F), RET(망상적혈구, 103 세포/μl) (G, H), 및 PLT(혈소판, 103 세포/μl) (I, J) 등의 혈액학적 파라미터를 나타낸 결과이다. 독립적인 2개 실험을 수행하여, 운반체, EPO, 및 IDB 처리군의 마우스 5개체 데이터의 평균 ± 표준 오차(SEM)를 나타내었다(운반체-처리 마우스와 비교하여 * p < 0.05, ** p < 0.01).
도 3은 IDB의 EPO 상승적 활성이 PKC의 직접적 표적화에 기인함을 나타내는 결과이다. (A) IGN(0.08 μg/ml), IDB(0.08 μg/ml), EPO(0.08 IU/ml), 또는 EPO(0.08 IU/ml) 및 IDB(0.08 μg/ml)의 혼합물을 사용하여 UT-7/EPO 세포 증식에 있어서 IDB에 의한 EPO 활성 촉진을 측정한 결과이다. 시료를 3회 측정하여 평균±표준 편차(SD)로 나타내었다(EPO 단독 군과 비교하여 **p < 0.01, *** < 0.001). (B) 인간 CD34+ 골수 세포의 BFU-E 콜로니로의 분화에 있어서 EPO, 또는 EPO 및 IDB에 의한 BFU-E 콜로니 숫자의 변화(좌) 및 100 × 배율에서 촬영한 사진(우)이다. (C) EPO(3 IU/ml), IDB(3 μM), 또는 IGN(3 μM)을 24시간 동안 처리한 후에 PKC의 세포막으로의 위치 이동을 웨스턴 블럿(WB)으로 분석하고, WB 밴드는 밀도 분석으로 정량화한 결과이다. (D), (E) Go6976 또는 비스인돌릴말레이미드(BIM)를 10 μM로부터 순차적으로 2배 희석하여 세포에 첨가하여, PKC 억제제에 의한 EPO 및 IDB의 세포 증식 활성의 억제를 분석한 결과이다. (F), (G), (H), (I) 표준 아민 커플링 방법으로 CM5 센서 칩 상에 PKC-α 또는 PKC-ε를 고정하고, IDB 또는 IGN를 표시된 농도로 사용하여 표면 플라스몬 공명(SPR) 분석을 수행한 결과 및 측정된 친화도 상수(KD)를 나타내었다.
도 4는 IDB의 EPO 억제 활성이 EPO 수용체(EPOR)에 대한 IDB 및 EPO의 경쟁적 결합에 기인한다는 결과를 나타낸다. (A) IGN(1.25 μg/ml), IDB(1.25 μg/ml), EPO(1.25 IU/ml), 또는 EPO(1.25 IU/ml) 및 IDB(1.25 μg/ml)의 혼합물을 사용하여 UT-7/EPO 세포 증식 분석에 미치는 영향을 측정한 결과이다. 시료의 OD 값을 3회 측정하여 평균±SD로 나타내었다(EPO 단독군과 비교하여 **p < 0.01, *** < 0.001). (B) 1 IU/ml의 일정한 EPO 농도에서 5 μg/ml까지 증가되는 IDB 또는 IGN과 동시-인큐베이션하여 UT-7/EPO 세포 증식을 분석한 결과이며, 비교를 위하여 IDB 또는 IGN을 단계적으로 희석한 액을 EPO 비존재 상태의 세포에 적용하였다. 시료의 OD 값을 3회 측정하여 평균±SD로 나타내었다. (C) CD34+ 세포를 IDB(0.1 μg/ml), EPO(3 IU/ml), 또는 IDB(0.1 μg/ml) 및 EPO(3 U/ml)의 존재 하에서 12~14일 동안 배양하여, 고농도 IDB에 의한 인간 CD34+ 골수 세포에서 BFU-E 콜로니로의 EPO-유도 분화의 억제를 측정한 결과이다. (D) UT-7/EPO 세포를 용해성 EPOR(sEPOR)(2.5 μg/ml로부터 2배 희석) 존재 하에서 IDB(0.8 μg/ml) 또는 EPO(0.25 IU/ml)와 함께 배양하여 세포 증식 활성의 억제 정도를 WST 분석으로 수행한 결과이다. 시료의 OD 값을 3회 측정하여 평균±SD로 나타내었다. (E) IDB(200, 100, 50, 25 μg/ml)의 존재 하에서 sEPOR로 코팅된 ELISA 플레이트에 EPO(5 μg/ml)를 결합시켜 IDB에 의한 sEPOR에 대한 EPO 결합의 억제를 측정한 결과이다. 시료의 OD 값을 3회 측정하여 평균±SD로 나타내었다(EPO 단독 처리된 세포와 비교하여 통계적 유의성 있음을 *p < 0.05, **p < 0.01, 및 *** < 0.001로 나타냄). (F) sEPOR(5 μg/ml)의 존재 하에서 5분 동안 IDB(0.8 μg/ml) 또는 EPO(0.25 IU/ml)에 의해 자극된 UT-7/EPO 세포에서 ERK1/2 시그널링을 웨스턴 블럿(WB)으로 분석하여, sEPOR와의 공동-인큐베이션에 의한 IDB- 또는 EPO-유도 ERK1/2 인산화반응의 억제를 측정한 결과이다. WB 밴드를 밀도 분석으로 정량화하여, 3회 실험의 평균±SD로 나타내었다(Student t-test, *p < 0.05, **p < 0.01, ***p < 0.001). (G) EPOR 및 ERK1/2의 EPO(0.25 IU/ml)-유도 인산화반응에서 IDB(1.6, 0.8, 0.4, 0.2, 또는 0.1 μg/ml) 공동-인큐베이션의 효과를 WB으로 분석하여 IDB에 의한 EPO-유도 EPOR 인산화반응의 용량-의존적 억제를 측정한 결과이다. WB 밴드를 밀도 분석으로 정량화하여, 3회 실험의 평균±SD로 나타내었다(1원 분산분석법(one-way ANOVA) 및 Dunnett 사후 검정법으로 분석함, *p < 0.05, **p < 0.01, ***p < 0.001). (H) EPO(1, 0.25, 또는 0.0625 IU/ml), IDB(1.6, 0.4, 또는 0.1 μg/ml), 또는 IGN(1.6, 0.4, 또는 0.1 μg/ml)에 의한 JAK-2 인산화반응의 WB 분석을 수행하여 IDB에 의한 JAK-2 인산화반응의 무력화를 측정한 결과이다. WB 밴드를 밀도 분석으로 정량화하여, 3회 실험의 평균±SD로 나타내었다(1원 분산분석법(one-way ANOVA) 및 Dunnett 사후 검정법으로 분석함, *p < 0.05, **p < 0.01, ***p < 0.001). (I), (J) 표준 아민 커플링 방법으로 CM5 센서 칩 상에 sEPOR를 고정하고, IDB 또는 IGN를 표시된 농도로 sEPOR-코팅된 플로우 셀에 주입하여 측정기기(BIAcore instrument)를 사용하여 SPR 분석을 수행한 결과이다. 소프트웨어(T-200 BIAevaluation software was)를 사용하여 기준값으로 보정하고 친화도 상수(KD)를 측정하였다.
화합물 | OD1 | OD2 | 평균 |
12-데옥시포볼 13-아세테이트 | 0.912 | 0.836 | 0.874 |
12-데옥시포볼 13-페닐아세테이트 20-아세테이트 | 0.800 | 0.596 | 0.698 |
Claims (9)
- 인제놀 3,20-디벤조에이트; 인제놀 3-안젤레이트; 12-데옥시포볼 13-아세테이트; 및 12-데옥시포볼 13-페닐아세테이트 20-아세테이트로 구성되는 군으로부터 선택되는 어느 하나의 화합물, 또는 이의 약학적으로 허용가능한 염인 EPO 수용체 및 PKC 동시 표적물질을 유효성분으로 포함하는, 급성 또는 만성 빈혈, 신장 질환에 의한 빈혈, 신부전에 의한 빈혈, 혈액 질환에 의한 빈혈, 방사선요법-유발 빈혈, 화학요법-유발 빈혈, 수술 과정에 의한 빈혈, 감염에 의한 빈혈, 영양결핍성 빈혈, 비정상적인 적혈구생성, 조산의 초기 빈혈 및 이들의 혼합 질환으로 이루어진 군으로부터 선택된 어느 하나인 빈혈(단, EPO 수용체 및 PKC 동시 표적물질이 12-데옥시포볼 13-아세테이트; 또는 12-데옥시포볼 13-페닐아세테이트 20-아세테이트, 또는 이의 약학적으로 허용가능한 염일 때, 급성 또는 만성 빈혈, 혈액 질환에 의한 빈혈, 방사선요법-유발 빈혈, 화학요법-유발 빈혈, 감염에 의한 빈혈 및 비정상적인 적혈구생성은 제외한다)의 예방 또는 치료용 약학 조성물.
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 제1항에 있어서, EPO를 추가로 포함하는 약학 조성물.
- 제1항에 있어서, 약학적으로 허용가능한 희석제 또는 담체를 추가로 포함하는 약학 조성물.
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