Diesel2p mesoscope with dual independent scan engines for flexible capture of dynamics in distributed neural circuitry.

Diesel2p mesoscope with dual independent scan engines for flexible capture of dynamics in distributed neural circuitry.
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DOI:
10.1038/s41467-021-26736-4
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发表时间:
2021-11-17
影响因子:
16.6
通讯作者:
Smith SL
Smith SL
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Yu CH;Stirman JN;Yu Y;Hira R;Smith SL

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对广泛分布在大脑深处散布在组织深处的神经元的活动进行高速成像仍然具有挑战性。在这里,我们介绍了一个具有双独立增强扫描引擎的开放源代码系统,用于大视场双光子成像(Diesel2p)。该系统结合了光学设计、自适应光学和时间多路复用技术,通过独立的扫描引擎在约25mm2的大视场范围内提供亚细胞分辨率,覆盖距离高达7 mm。我们展示了该系统对活体大脑中的神经元进行钙成像的灵活性和各种使用案例。对远距离大脑区域的神经元活动进行成像是一项具有挑战性的工作。在这里,作者介绍了一种带有两个独立控制的扫描引擎的双光子显微镜,并同时演示了在相隔高达7 mm的脑区进行亚细胞分辨率的钙成像。
Imaging the activity of neurons that are widely distributed across brain regions deep in scattering tissue at high speed remains challenging. Here, we introduce an open-source system with Dual Independent Enhanced Scan Engines for Large field-of-view Two-Photon imaging (Diesel2p). Combining optical design, adaptive optics, and temporal multiplexing, the system offers subcellular resolution over a large field-of-view of ~25 mm2, encompassing distances up to 7 mm, with independent scan engines. We demonstrate the flexibility and various use cases of this system for calcium imaging of neurons in the living brain. Imaging of neuronal activity across distant brain regions is challenging. Here, the authors introduce a two-photon microscope with two independently controlled scan engines, and demonstrate calcium imaging with subcellular resolution in brain regions up to 7 mm apart simultaneously.
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