Hybrid multiphoton volumetric functional imaging of large-scale bioengineered neuronal networks.
Hybrid multiphoton volumetric functional imaging of large-scale bioengineered neuronal networks.
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DOI:
10.1038/ncomms4997
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发表时间:
2014-06-05
影响因子:
16.6
通讯作者:
Shoham, Shy
中科院分区:
文献类型:
--
作者:
Dana, Hod;Marom, Anat;Paluch, Shir;Dvorkin, Roman;Brosh, Inbar;Shoham, Shy
Planar neural networks and interfaces serve as versatile in vitro models of central nervous system physiology, but adaptations of related methods to three dimensions (3D) have met with limited success. Here, we demonstrate for the first time volumetric functional imaging in a bio-engineered neural tissue growing in a transparent hydrogel with cortical cellular and synaptic densities, by introducing complementary new developments in nonlinear microscopy and neural tissue engineering. Our system uses a novel hybrid multiphoton microscope design combining a 3D scanning-line temporal-focusing subsystem and a conventional laser-scanning multiphoton microscope to provide functional and structural volumetric imaging capabilities: dense microscopic 3D sampling at tens of volumes/sec of structures with mm-scale dimensions containing a network of over 1000 developing cells with complex spontaneous activity patterns. These developments open new opportunities for large-scale neuronal interfacing and for applications of 3D engineered networks ranging from basic neuroscience to the screening of neuroactive substances.
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