Remote Control of T Cell Activation Using Magnetic Janus Particles.

Remote Control of T Cell Activation Using Magnetic Janus Particles.
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DOI:
10.1002/anie.201601211
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发表时间:
2016-06-20
期刊:
Angewandte Chemie (International ed. in English)
影响因子:
--
通讯作者:
Yu Y
Yu Y
中科院分区:
其他
文献类型:
--
作者:
Lee K;Yi Y;Yu Y

文献摘要

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我们报告了一种使用磁性Janus微粒以单细胞精度控制T细胞信号传导刺激的策略。为了实现这一目标,我们设计了Janus粒子,它在一侧半球上具有磁响应性,而在另一侧对T细胞具有刺激性。通过操纵Janus粒子在外部磁场下的旋转和运动,我们控制粒子-细胞识别的方向,从而启动T细胞活化。这项研究表明,利用Janus粒子的各向异性材料特性来控制单细胞活动,而不需要复杂的磁操纵设备。
We report a strategy for using magnetic Janus microparticles to control the stimulation of T cell signaling with single-cell precision. To achieve this, we design Janus particles that are magnetically responsive on one hemisphere and stimulatory to T cells on the other side. By manipulating the rotation and locomotion of Janus particles under an external magnetic field, w e control the orientation of the particle-cell recognition and thereby initiation of T cell activation. This study demonstrates a step towards employing anisotropic material properties of Janus particles to control single cell activities without the need of complex magnetic manipulation devices.