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描述 | Deoxyarbutin, a potent inhibitor of tyrosinase, could act as substrate of the enzyme. Oxytyrosinase is able to hydroxylate deoxyarbutin and finishes the catalytic cycle by oxidizing the formed o-diphenol to quinone, while the enzyme becomes deoxytyrosinase, which evolves to oxytyrosinase in the presence of oxygen[3]. dA (Deoxyarbutin) has potential tyrosinase inhibitory activity that can result in skin lightening and may be used to ameliorate hyperpigmentary lesions[4]. The in vivo finding also revealed that administration of dA (Deoxyarbutin) significantly decreased the tumour volume and tumour metastasis in B16F10 xenograft model by inhibiting tumour proliferation and inducing tumour apoptosis. dA was specific against tumour cell lines and had no observed systemic toxicity in vivo. dA could combate tumour in vitro and in vivo by inhibiting the proliferation and metastasis of tumour via a p38-mediated mitochondria associated apoptotic pathway[5]. |
实验方案 | |||
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1mg | 5mg | 10mg | |
1 mM 5 mM 10 mM |
5.15mL 1.03mL 0.51mL |
25.74mL 5.15mL 2.57mL |
51.49mL 10.30mL 5.15mL |
参考文献 |
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