Lipidure-based micropattern fabrication for stereotyping cell geometry.

Lipidure-based micropattern fabrication for stereotyping cell geometry.
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DOI:
10.1038/s41598-023-47516-8
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发表时间:
2023-11-22
期刊:
影响因子:
4.6
通讯作者:
--
中科院分区:
综合性期刊3区
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--
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细胞的自主行为,如细胞极性程序的迁移和编排,是生理组织形成所必需的。微图案是将细胞(S)限制在用户定义的几何形状内的细胞粘附性形状。这种生物物理限制使研究人员能够标准化细胞形状,并在这样做的过程中,刻板印象细胞器和细胞骨架系统,可以具有任意的组织。因此,通过实施均匀的细胞形状和细胞骨架组织,微图案化可以成为询问极性程序的强大工具。这种方法的一个主要缺点是与制造相关的设备和试剂成本。在这里,我们提供了一种名为Lipidure(2-甲基丙烯酰氧乙基磷酰胆碱)的化合物的特征,该化合物的价格比其他细胞排斥包衣剂低40倍。我们发现,在基于光刻的微图形制造中,Lipidure是一种有效的细胞排斥剂。我们的结果表明,Lipidure对用于光刻掩蔽的深紫外光敏感,在台式和水环境中都稳定,在长期培养中无毒,并有效地限制细胞几何形状以定量细胞骨架系统。
Cell autonomous behaviors such as migration and orchestration of cell polarity programs are required for physiological tissue formation. Micropatterns are cell-adhesive shapes that confine cell(s) to a user defined geometry. This biophysical confinement allows researchers to standardize the cell shape, and in doing so, stereotype organelle and cytoskeletal systems that can have an arbitrary organization. Thus, micropatterning can be a powerful tool in interrogation of polarity programs by enforcing a homogenous cell shape and cytoskeletal organization. A major drawback of this approach is the equipment and reagent costs associated with fabrication. Here, we provide a characterization of a compound called Lipidure (2-Methacryloyloxy ethyl phosphorylcholine) that is up to 40X less expensive than other cell repulsive coating agents. We found that Lipidure is an effective cell-repulsive agent for photolithography-based micropattern fabrication. Our results demonstrate that Lipidure is sensitive to deep UV irradiation for photolithography masking, stable in both benchtop and aqueous environments, non-toxic in prolonged culture, and effective at constraining cell geometry for quantification of cytoskeletal systems.
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