Application of Organosilane Monolayer Template to Quantitative Evaluation of Cancer Cell Adhesive Ability

Application of Organosilane Monolayer Template to Quantitative Evaluation of Cancer Cell Adhesive Ability
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有机硅烷单层模板在癌细胞粘附能力定量评价中的应用

DOI:
10.1143/jjap.50.06gl01
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发表时间:
2011
影响因子:
1.5
通讯作者:
Y.Sato
Y.Sato
中科院分区:
物理与天体物理4区
文献类型:
--
作者:
T.Tanii;K.Sasaki;K.Ichisawa;T.Demura;Y.Beppu;H.A.Vu;H.T.Chi;H.Yamamoto;Y.Sato

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利用有机硅烷单层模板(OMT)评价了两种人胰腺癌细胞系的粘附能力。使用OMT,可以限制粘附细胞的扩散区域,这使我们能够专注于粘附的初始附着过程。此外,可以将细胞排列成阵列并定量评估附着细胞的数量。通过添加(-)-表没食子儿茶素-3-没食子酸酯(EGCG)来控制在OMT上培养的癌细胞的粘附能力,所述表没食子儿茶素-3-没食子酸酯阻断介导细胞粘附并且在癌细胞中过表达的受体。测量癌细胞附着于OMT的相对能力显示,附着能力随着EGCG浓度的增加而降低。结果表明,OMT可用于评价各种癌细胞的粘附能力。
The adhesive ability of two human pancreatic cancer cell lines was evaluated using organosilane monolayer templates (OMTs). Using the OMT, the spreading area of adhered cells can be limited, and this enables us to focus on the initial attachment process of adhesion. Moreover, it becomes possible to arrange the cells in an array and to quantitatively evaluate the number of attached cells. The adhesive ability of the cancer cells cultured on the OMT was controlled by adding (-)-epigallocatechin-3-gallate (EGCG), which blocks a receptor that mediates cell adhesion and is overexpressed in cancer cells. Measurement of the relative ability of the cancer cells to attach to the OMT revealed that the ability for attachment decreased with increasing EGCG concentration. The results agreed well with the western blot analysis, indicating that the OMT can potentially be employed to evaluate the adhesive ability of various cancer cells.
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