KR102142559B1 - Dpp4 억제제를 유효성분으로 포함하는 심근섬유증의 예방 또는 치료용 조성물 - Google Patents
Dpp4 억제제를 유효성분으로 포함하는 심근섬유증의 예방 또는 치료용 조성물 Download PDFInfo
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Abstract
Description
도 2는 각 그룹에서의 DPP4 활성 수준에 대한 결과로서, (A)는 랫 혈청에서의 DPP4 활성을 측정한 결과이고, (B)는 심장에서의 DPP4 단백질 발현 수준을 웨스턴블럿으로 측정한 결과이며, (C)는 (B)의 웨스턴블럿 결과로부터 GAPDH로 표준화한 결과이고, (D)는 면역조직화학염색법에 의한 심근의 염색 이미지를 나타낸 결과이며 (dark brown color: DPP4 단백질; NC: Non-cardiomyocyte (endothelial cell or fibroblast); 및 CM: cardiomyocyte), (E)는 랫 심장에서 DPP4 발현을 정량화한 결과이다. 데이터는 평균±표준편차(SD)로 나타냄(n=10); *p < 0.05 vs. WKY 그룹; #p < 0.05 vs. SHR-CHO 그룹; 및 †< 0.05 vs. SHR-HFD 그룹.
도 3는 각 그룹에서 혈관주위(pervascular) 및 세포간(interstitial) 부위에서의 섬유증(fibrosis) 정도를 측정한 결과로서, (A) 및 (C)는 각각 혈관주위 섬유증 부위를 염색한 결과 및 콜라겐 부비율을 이용하여 정량화한 결과이고, (B) 및 (D)는 각각 세포간 부위를 염색한 결과 및 콜라겐 부피율을 이용하여 정량화한 결과이다. 데이터는 평균±표준편차(SD)로 나타냄(n=10); *p < 0.05 vs. WKY 그룹; #p < 0.05 vs. SHR-CHO 그룹; 및 †< 0.05 vs. SHR-HFD 그룹.
도 4는 각 그룹에서 콜라겐 타입 I, III 및 TGF-β mRNA의 발현 수준을 qRT-PCR로 측정한 결과와 콜라겐 타입 III 및 TGF-β단백질의 발현수준을 웨스턴블럿으로 측정한 결과를 나타낸 것으로서, (A)는 콜라겐 타입 I mRNA의 발현 수준에 대한 결과이고, (B)는 콜라겐 타입 III mRNA의 발현 수준에 대한 결과이며, (C)는 TGF-β mRNA의 발현 수준에 대한 결과이고, (D)는 콜라겐 타입 III 단백질의 발현 수준에 대한 결과이며, (E)는 콜라겐 타입 III 단백질의 발현 수준을 GAPDH로 표준화한 결과이고, (F)는 TGF-β 단백질의 발현 수준에 대한 결과이며, (G)는 는 TGF-β 단백질의 발현 수준을 GAPDH로 표준화한 결과이다. 데이터는 평균±표준편차(SD)로 나타냄(n=10); *p < 0.05 vs. WKY 그룹; #p < 0.05 vs. SHR-CHO 그룹; 및 †< 0.05 vs. SHR-HFD 그룹.
도 5는 각 그룹에서 Smad2/3 mRNA의 발현 수준을 qRT-PCR로 측정한 결과와 단백질의 발현수준을 웨스턴블럿으로 측정한 결과를 나타낸 것으로서, (A)는 Smad2 mRNA의 발현 수준에 대한 결과이고, (B)는 Smad3 mRNA의 발현 수준에 대한 결과이며, (C)는 total Smad2/3 및 p-Smad2/3 (인산화된 Smad2/3) 단백질의 발현 수준에 대한 결과이고, (D)는 total Smad2/3 단백질의 발현 수준을 GAPDH로 표준화한 결과이며, (E)는 p-Smad2/3 단백질의 발현 수준을 total Smad2/3으로 표준화한 결과이다. 데이터는 평균±표준편차(SD)로 나타냄(n=10); *p < 0.05 vs. WKY 그룹; #p < 0.05 vs. SHR-CHO 그룹; 및 †< 0.05 vs. SHR-HFD 그룹.
도 6은 TGF-β1이 처리된 RCF 세포에서 콜라겐 수준 및 Smad2/3의 인산화 수준을 측정한 결과로서, (A)는 콜라겐 타입 I mRNA의 발현 수준을 qRT-PCR로 측정한 결과이고(데이터는 비히클 그룹을 상대적인 배수로서 표시하였음), (B)는 콜라겐 타입 I 단백질의 발현 수준을 웨스턴블럿으로 측정한 결과이고, (C)는 콜라겐 타입 I 단백질의 발현 수준을 GAPDH로 표준화한 결과이며, (D)는 total Smad2/3 및 p-Smad2/3 단백질의 발현 수준에 대한 결과이고, (E)는 total Smad2/3 단백질의 발현 수준을 GAPDH로 표준화한 결과이며, (F)는 p-Smad2/3 단백질의 발현 수준을 total Smad2/3으로 표준화한 결과이다. 데이터는 평균±표준편차(SD)로 나타냄(n=4); *p < 0.05 vs. TGF-β(-) 및 DPP4i(-); 및 †p < 0.05 vs. TGF-β1(+) 및 DPP4i(0).
도 7은 TGF-β이 처리된 RCF 세포(랫 심장 섬유아세포)서 p-Smad2/3의 핵내 이동 여부를 확인한 결과로서, red fluorescence는 p-Smad2/3 단백질을 나타낸 것이고, blue는 DAPI 로 대비염색된 핵을 나타낸 것이다 (scale bar: 20 μm; 200× magnification).
유전자 | 방향 | 서열 |
collagen type I | forward | 5'-GAGAGGTGAACAAGGTCCCG-3’ |
reverse | 5'-CAAGGTCTCCAGGAACACCC-3’ | |
collagen type III | forward | 5'-AACTGGAGCACGAGGTCTTG-3’ |
reverse | 5'-CGTTCCCCATTATGGCCACT-3’ | |
TGF-β1 | forward | 5'-CGTTACCTTGGTAACCGGCT-3’ |
reverse | 5'-AGCCCTGTATTCCGTCTCCT-3’ | |
Smad2 | forward | 5'-TTCATCTGAATGGCCCCCTG-3’ |
reverse | 5'-CCAATGAGCTCCACTGCTGA-3’ | |
Smad3 | forward | 5'-CCTTCAGCACCCCAGAGAAG-3’ |
reverse | 5'-TAGCCAACTGCCCATGACAG-3’ |
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Non-Patent Citations (3)
Title |
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Cardiovascular Research, 111(4), 338-347, 2016. |
Diabetes, 65(3), 742-754, 2016.* |
Metabolism, 63(8), 1000-1011, 2014.* |
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