자작나무 추출물에서 보이는 모유두(HDP) 세포 성장 촉진 효과와 작용 메커니즘 연구 Studies on the effect of Betula platyphylla extract on human dermal papilla cell proliferation and its mechanism of action원문보기
자작나무(Betula platyphylla) 수피 추출물에는 생리활성을 보일 수 있는 다수의 terpenoids 물질이 포함되어 있고 염증반응을 완화시키는 치료제로 사용되어 왔다. 본 연구는 탈모예방 효과를 보일 수 있는 천연 물질을 확보하기 위해 자작나무를 여러 용매에서 추출 및 분리 정제하여 몇몇 분획을 획득하였다. 이를 사용하여 사람 모낭 모유두세포(HDP)에 대한 세포 독성 및 성장촉진 효과 그리고 β-catenin, VEGF, IGF1, Cyclin D의 발현변화와 5-α-reductase activity에 미치는 영향을 평가하였다. Ethyl acetate를 이용하여 분리한 4개의 분획 중 H3-2 분획은 알려진 유효물질인 ETB, LPO와 동등수준의 모낭 모유두세포(HDP)에 대한 성장 촉진 효과를 보였고 성장에 관여하는 주요인자들의 발현을 높이는 효과를 보였다. 또한, 5-α-reductase activity에 ETB, LPO가 큰 영향을 보이지 못한 반면 최종분획물인 H3은 5-α-reductase activity 감소활성이 있음을 확인할 수 있었다.
자작나무(Betula platyphylla) 수피 추출물에는 생리활성을 보일 수 있는 다수의 terpenoids 물질이 포함되어 있고 염증반응을 완화시키는 치료제로 사용되어 왔다. 본 연구는 탈모예방 효과를 보일 수 있는 천연 물질을 확보하기 위해 자작나무를 여러 용매에서 추출 및 분리 정제하여 몇몇 분획을 획득하였다. 이를 사용하여 사람 모낭 모유두세포(HDP)에 대한 세포 독성 및 성장촉진 효과 그리고 β-catenin, VEGF, IGF1, Cyclin D의 발현변화와 5-α-reductase activity에 미치는 영향을 평가하였다. Ethyl acetate를 이용하여 분리한 4개의 분획 중 H3-2 분획은 알려진 유효물질인 ETB, LPO와 동등수준의 모낭 모유두세포(HDP)에 대한 성장 촉진 효과를 보였고 성장에 관여하는 주요인자들의 발현을 높이는 효과를 보였다. 또한, 5-α-reductase activity에 ETB, LPO가 큰 영향을 보이지 못한 반면 최종분획물인 H3은 5-α-reductase activity 감소활성이 있음을 확인할 수 있었다.
Betula platyphylla extract includes various materials which showed biological activity such as terpenoids. For this reason, Betula platyphylla extract has been used to alleviate inflammation. In this study, extract of Betula platyphylla was obtained and purified using several solvents and evaluated ...
Betula platyphylla extract includes various materials which showed biological activity such as terpenoids. For this reason, Betula platyphylla extract has been used to alleviate inflammation. In this study, extract of Betula platyphylla was obtained and purified using several solvents and evaluated whether they showed effect on prevention of hair loss. Cell cytotoxicity assay was performed to investigate the effect of extracts on cell proliferation. Western blotting was performed to observe the changes in expression of several related growth factors such as β-catenin, VEGF, IGF1, and cyclin D. Also, 5-α-reductase activity was measured. The ethyl acetate extract was divided into four partial extracts and named as H3-1, H3-2, H3-3, and H3-4. The H3-2 extract showed proliferation activity of human derma papilla cell and increased the protein expression of several related growth factors such as β-catenin, VEGF, IGF1, and cyclin D, comparable to the effect of Ethyl 3,4,5-Trimethoxy Benzoate (ETB)and Lupeol (LPO). Moreover, we found that the fraction H3 was shown to decrease 5-α-reductase activity while ETB and LPO had no significant effect on 5-α-reductase activity.
Betula platyphylla extract includes various materials which showed biological activity such as terpenoids. For this reason, Betula platyphylla extract has been used to alleviate inflammation. In this study, extract of Betula platyphylla was obtained and purified using several solvents and evaluated whether they showed effect on prevention of hair loss. Cell cytotoxicity assay was performed to investigate the effect of extracts on cell proliferation. Western blotting was performed to observe the changes in expression of several related growth factors such as β-catenin, VEGF, IGF1, and cyclin D. Also, 5-α-reductase activity was measured. The ethyl acetate extract was divided into four partial extracts and named as H3-1, H3-2, H3-3, and H3-4. The H3-2 extract showed proliferation activity of human derma papilla cell and increased the protein expression of several related growth factors such as β-catenin, VEGF, IGF1, and cyclin D, comparable to the effect of Ethyl 3,4,5-Trimethoxy Benzoate (ETB)and Lupeol (LPO). Moreover, we found that the fraction H3 was shown to decrease 5-α-reductase activity while ETB and LPO had no significant effect on 5-α-reductase activity.
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