Aromatic carbohydrate amphiphile disrupts cancer spheroids and prevents relapse.

Aromatic carbohydrate amphiphile disrupts cancer spheroids and prevents relapse.
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DOI:
10.1039/d0nr05008c
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发表时间:
2020-10-01
期刊:
影响因子:
6.7
通讯作者:
Pashkuleva I
Pashkuleva I
中科院分区:
材料科学2区
文献类型:
--
作者:
Brito A;Pereira PMR;Reis RL;Ulijn RV;Lewis JS;Pires RA;Pashkuleva I

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球体概括了实体瘤的组织、异质性和微环境。在此,我们在时空上靶向位于球体表面上的增殖细胞的加速代谢,以确保结构维持和/或生长。我们证明,磷酸化的碳水化合物两亲物作为一种有效的抗代谢物,由于糖酵解抑制和超分子网络周围的球体表面的碱性磷酸酶是过表达的原位形成。与常规2D培养物相比,在球状体中的处理效率更高,因为葡萄糖转运蛋白1(GLUT 1)的表达高2倍。此外,经治疗的球状体不经历随后的复发。
Spheroids recapitulate the organization, heterogeneity and microenvironment of solid tumors. Herein, we targeted spatiotemporally the accelerated metabolism of proliferative cells located on the spheroid surface that ensure structure maintenance and/or growth. We demonstrate that phosphorylated carbohydrate amphiphile acts as a potent antimetabolite due to glycolysis inhibition and to in situ formation of supramolecular net around spheroid surface where alkaline phosphatase is overexpressed. The efficiency of the treatment is higher in spheroids as compared to the conventional 2D cultures because of the 2-fold higher expression of glucose transporter 1 (GLUT1). Moreover, treated spheroids do not undergo following relapse.
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