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Cinnamon bark extract suppresses metastatic dissemination of cancer cells through inhibition of glycolytic metabolism
Journal of Natural Medicines ( IF 3.3 ) Pub Date : 2022-04-21 , DOI: 10.1007/s11418-022-01624-3
Joji Nakayama 1, 2 , Yuki Konno 3, 4 , Ami Maruyama 1, 2 , Masaru Tomita 4 , Hideki Makinoshima 1, 2, 5
Affiliation  

Metastasis is responsible for approximately 90% of cancer-associated mortality and proceeds through multiple steps. Several herbal medicines are reported to inhibit primary tumor growth, but the suppressor effects of the medicines on metastasis progression are still not fully elucidated. Here we report that cinnamon bark extract (CBE) has a suppressor effect on metastatic dissemination of cancer cells. Through a phenotypic screening using zebrafish embryos, CBE was identified to interfere with the gastrulation progression of zebrafish embryos, of which the molecular mechanisms are conserved in metastasis progression. A Boyden chamber assay showed that CBE decreased cell motility and invasion of MDA-MB-231 human breast cancer cells without affecting their cell viability. Furthermore, CBE suppressed metastatic dissemination of the cells in a zebrafish xenotransplantation model. Quantitative metabolome analyses revealed that the productions of glucose-6-phosphate (G6P) and fructose 6-phosphate which are intermediate metabolites of glycolytic metabolism were interrupted in CBE-treated cells. qPCR and western-blotting analyses revealed that CBE-treated cells showed decreased expression of hexokinase 2 (HK2) which yields G6P. Pharmacological inhibition of HK2 with 2-deoxy-D-glucose suppressed cell invasion and migration of the cells without affecting their cell viability. Taken together, CBE suppresses metastatic dissemination of cancer cells through inhibition of glycolysis metabolism.



中文翻译:

肉桂皮提取物通过抑制糖酵解代谢来抑制癌细胞的转移扩散

转移是造成大约 90% 的癌症相关死亡率的原因,并通过多个步骤进行。据报道,几种草药可抑制原发性肿瘤的生长,但这些药物对转移进展的抑制作用仍未完全阐明。在这里,我们报告肉桂皮提取物 (CBE) 对癌细胞的转移性传播具有抑制作用。通过使用斑马鱼胚胎的表型筛选,确定 CBE 干扰斑马鱼胚胎的原肠胚形成过程,其中分子机制在转移过程中是保守的。Boyden 室试验表明,CBE 降低了 MDA-MB-231 人乳腺癌细胞的细胞运动和侵袭,但不影响其细胞活力。此外,CBE 抑制斑马鱼异种移植模型中细胞的转移性传播。定量代谢组分析显示,在 CBE 处理的细胞中,作为糖酵解代谢中间代谢物的 6-磷酸葡萄糖 (G6P) 和 6-磷酸果糖的产生被中断。qPCR 和蛋白质印迹分析显示,CBE 处理的细胞显示产生 G6P 的己糖激酶 2 (HK2) 的表达降低。用 2-脱氧-D-葡萄糖对 HK2 进行药理抑制可抑制细胞的侵袭和迁移,而不会影响其细胞活力。总之,CBE 通过抑制糖酵解代谢来抑制癌细胞的转移性传播。定量代谢组分析显示,在 CBE 处理的细胞中,作为糖酵解代谢中间代谢物的 6-磷酸葡萄糖 (G6P) 和 6-磷酸果糖的产生被中断。qPCR 和蛋白质印迹分析显示,CBE 处理的细胞显示产生 G6P 的己糖激酶 2 (HK2) 的表达降低。用 2-脱氧-D-葡萄糖对 HK2 进行药理抑制可抑制细胞的侵袭和迁移,而不会影响其细胞活力。总之,CBE 通过抑制糖酵解代谢来抑制癌细胞的转移性传播。定量代谢组分析显示,在 CBE 处理的细胞中,作为糖酵解代谢中间代谢物的 6-磷酸葡萄糖 (G6P) 和 6-磷酸果糖的产生被中断。qPCR 和蛋白质印迹分析显示,CBE 处理的细胞显示产生 G6P 的己糖激酶 2 (HK2) 的表达降低。用 2-脱氧-D-葡萄糖对 HK2 进行药理抑制可抑制细胞的侵袭和迁移,而不会影响其细胞活力。总之,CBE 通过抑制糖酵解代谢来抑制癌细胞的转移性传播。用 2-脱氧-D-葡萄糖对 HK2 进行药理抑制可抑制细胞的侵袭和迁移,而不会影响其细胞活力。总之,CBE 通过抑制糖酵解代谢来抑制癌细胞的转移性传播。用 2-脱氧-D-葡萄糖对 HK2 进行药理抑制可抑制细胞的侵袭和迁移,而不会影响其细胞活力。总之,CBE 通过抑制糖酵解代谢来抑制癌细胞的转移性传播。

更新日期:2022-04-21
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