A one-pot laccase-catalysed synthesis of coumestan derivatives and their anticancer activity
作者:Tozama Qwebani-Ogunleye、Natasha I. Kolesnikova、Paul Steenkamp、Charles B. de Koning、Dean Brady、Kevin W. Wellington
DOI:10.1016/j.bmc.2016.12.025
日期:2017.2
TK10 cancer cell-line. The total growth inhibition, based on the TGI values, of several of the compounds was better than that of etoposide against the melanoma UACC62 and the breast MCF7 cancer cell lines. Several compounds, based on the LC50 values, were also more lethal than etoposide against the same cancer cell lines. The SAR for the coumestans is similar against the melanoma UACC62 and breast
购自Novozymes的商业漆酶Suberase®用于催化香豆素的合成。在某些情况下,产率类似于或优于通过其他酶,化学或电化学合成获得的产率。针对肾TK10,黑素瘤UACC62和乳腺癌MCF7癌细胞系筛选化合物,并确定GI 50,TGI和LC 50值。抗癌筛选显示,coumestans的细胞抑制作用对表现出有效活性(GI 50)的黑色素瘤UACC62和乳腺癌MCF7癌细胞系最有效 分别为5.35和7.96μM。获得了针对肾TK10癌细胞系的中等活性。基于TGI值,几种化合物对黑素瘤UACC62和乳腺癌MCF7癌细胞的总生长抑制作用优于依托泊苷。基于LC 50值,几种化合物对相同癌细胞系的杀伤力也比依托泊苷高。头皮动物的SAR与黑色素瘤UACC62和乳腺MCF7细胞系相似。对乳腺MCF7和黑色素瘤UACC62细胞系均具有有效活性的化合物在苯环(环A)和邻苯二酚环(环B)上均具有甲基。当甲氧基