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NTIS 바로가기생약학회지, v.45 no.2 = no.177, 2014년, pp.127 - 134
A great interest is emerging about green tea as a tool against human cancer proliferation or inflammation, as pointed out by recent reports describing the inhibitory action of epigallocatechin gallate (EGCG) on angiogenesis, urokinase, metalloproteinases, and induction of inducible nitric oxide synt...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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CSK는 무엇인가? | EGCG와 CSK 결합 능력 − CSK는 Src-family kinase의 활성을 촉진하며 다양한 암세포에서 활성화 되었다.14) Kinase screening 실험을 통하여 EGCG 5 μM에 의해서 CSK가 억제됨을 확인하였다. | |
활성 CSK와 기질인poly(Glu4-Tyr)펩타이드를 이용한 in vitro kinase assay를 통하여 측정한 결과는? | Kinase 활성은 활성 CSK와 기질인poly(Glu4-Tyr)펩타이드를 이용한 in vitro kinase assay를 통하여 측정하였다. 그 결과, EGCG는 농도의존적으로 CSK kinase 활성을 억제하였으며, 4 μM의 농도에서 50% 활성억제(IC50)를 보였다(Fig. 3A). | |
사람 대장암세포에서 EGCG는 어떤 역할을 하는 가? | 사람 대장암세포에서, EGCG는 extracellular-regulated kinase(ERK)-1과 ERK-2의 활성과 vascular endothelial growth factor(VEGF) 발현을 차단함으로써 혈관신생을 억제하였다. EGCG가 ERK-1과 ERK-2의 활성을 억제하는 분자적 기전은 아직 정확하지 않다. |
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