AbstractCoumarins possess a wide array of therapeutic capabilities, but often with unclear mechanism of action. We tested a small library of 18 coumarin derivatives against human invasive breast ductal carcinoma cells with the capacity of each compound to inhibit cell proliferation scored, and the most potent coumarin analogues selected for further studies. Interestingly, the presence of two prenyloxy groups (5,7-diprenyloxy-4-methyl-coumarin,4g) or the presence of octyloxy substituent (coumarin4d) was found to increase the potency of compounds in breast cancer cells, but not against healthy human fibroblasts. The activity of potent compounds on breast cancer cells cultured more similarly to the conditions of the tumour microenvironment was also investigated, and increased toxicity was observed. Results suggest that tested coumarin derivatives could potentially reduce the growth of tumour mass. Moreover, their use as (combination) therapy in cancer treatment might have the potential of causing limited side effects.
Graphic abstract
摘要:香豆素具有广泛的治疗能力,但其作用机制通常不清楚。我们对18种香豆素衍生物进行了测试,针对具有抑制细胞增殖能力的每种化合物进行评分,选择了最有效的香豆素类似物进行进一步研究。有趣的是,在乳腺癌细胞中发现了两个异戊氧基基团(5,7-二异戊氧基-4-甲基香豆素,4g)或辛氧基取代基(香豆素4d)的存在可以增加化合物在乳腺癌细胞中的活性,但对健康的人类成纤维细胞没有影响。还研究了强有效化合物在培养条件更类似于肿瘤微环境的乳腺癌细胞上的活性,并观察到了增加的毒性。结果表明,测试的香豆素衍生物可能有潜力减少肿瘤质量的增长。此外,在癌症治疗中将它们用作(联合)疗法可能会导致有限的副作用。