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NTIS 바로가기한국식품영양과학회지 = Journal of the Korean Society of Food Science and Nutrition, v.44 no.3, 2015년, pp.338 - 346
조영 (한국방송통신대학교 가정학과) , 최미용 (한국방송통신대학교 가정학과)
This study was performed to elucidate the anti-proliferative and apoptotic mechanism of flavonoids in HT-29 human colon cancer cells. We investigated the anti-proliferative activity of flavonoids in HT-29 human colon cancer cells via cell viability assay (MTT assay), caspase-3 activity, RT-PCR, and ...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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Flavonoid는 인체에 어떤 효능이 있는가? | Flavonoid는 식물에 광범위하게 분포되어 있어 대부분의 모든 녹색 식물에서 발견되는 물질로, 식물에 의해서 광합성 되는 탄소의 약 2%가 flavonoid와 관련된 화합물로 변환되며 그 구조적 특이성 때문에 생체 내에서 다양한 약리작용이 있음이 보고되었다(12,13). 특히 항산화, 항균, 항혈전, 항염증, 심혈관계, 순환기계 질환 예방 및 항암 등에 효과가 있는 것으로 밝혀져 있다(14,15). | |
flavonoid는 어떻게 대장암세포의 세포자연사를 유도하였는가? | 또한 western blotting을 통해 flavonoid인 apigenin, rutin, naringenin, myricetin에 100 μΜ 농도로 처리한 결과, Bcl-2 family 단백질과 더불어 세포사멸 조절에 중요한 역할을 하는 활성형인 cleaved caspase-3은 모두 증가하였고, 그중 myricetin이, PARP은 naringenin, E-cadherin은 rutin이 각각 높은 발현 양상을 나타내었다. 이번 실험 결과를 통해 flavonoid가 세포사멸의 주요한 조절 인자인 Bcl-2 family 단백질의 발현이나 caspase의 활성 등을 조절하여 암세포 사멸인자인 Bcl-2의 발현은 감소시키고 Bax, p53, PARP의 발현을 증가시키는 것을 통해 대장암 세포의 apoptosis를 유도하였다. 또한 암세포의 전이와 관련된 E-cadherin의 발현도 조절하는 것을 관찰하였다. | |
실험한 플라보노이드 중 대장암 세포 성장 억제 효과가 가장 좋았던 것은? | 24, 77.61%로 이 중 naringenin이 대장암 세포 성장에 억제 효과가 가장 높은 실험 결과를 나타내었다. Caspase-3 activity에서는 naringenin이 241. |
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