Loop formation and self-fasciculation of cortical axon using photonic guidance at long working distance.
Loop formation and self-fasciculation of cortical axon using photonic guidance at long working distance.
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DOI：
10.1038/srep06902
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发表时间：
2014-11-07
影响因子：
4.6
通讯作者：
Mohanty S
中科院分区：
文献类型：
--
作者：
Mondal A;Black B;Kim YT;Mohanty S
The accuracy of axonal pathfinding and the formation of functional neural circuitry are crucial for an organism to process, store, and retrieve information from internal networks as well as from the environment. Aberrations in axonal migration is believed to lead to loop formation and self-fasciculation, which can lead to highly dysfunctional neural circuitry and therefore self-avoidance of axons is proposed to be the regulatory mechanism for control of synaptogenesis. Here, we report the application of a newly developed non-contact optical method using a weakly-focused, near infrared laser beam for highly efficient axonal guidance, and demonstrate the formation of axonal loops in cortical neurons, which demonstrate that cortical neurons can self-fasciculate in contrast to self-avoidance. The ability of light for axonal nano-loop formation opens up new avenues for the construction of complex neural circuitry, and non-invasive guidance of neurons at long working distances for restoration of impaired neural connections and functions.
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