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- Title
A visualization pipeline for in vivo two-photon volumetric astrocytic calcium imaging.
- Authors
Qian Sun; Yusi Hu; Saiyue Deng; Yanyu Xiong; Zhili Huang
- Abstract
Astrocytes, the multi-functional glial cells with the most abundant population in the brain, integrate information across their territories to regulate neuronal synaptic and cerebrovascular activities. Astrocytic calcium (Ca2+) signaling is the major readout of cellular functional state of astrocytes. The conventional two-photon in vivo imaging usually focuses on a single horizontal focal plane to capture the astrocytic Ca2+ signals, which leaves >80% spatial information undetected. To fully probe the Ca2+ activity across the whole astrocytic territory, we developed a pipeline for imaging and visualizing volumetric astrocytic Ca2+ time-lapse images. With the pipeline, we discovered a new signal distribution pattern from three-dimensional (3D) astrocytic Ca2+ imaging data of mice under isoflurane anesthetic states. The tools developed in this study enable a better understanding of the spatiotemporal patterns of astrocytic activity in 3D space.
- Subjects
CALCIUM; FOCAL planes; NEUROGLIA; VISUALIZATION; THREE-dimensional imaging
- Publication
Journal of Biomedical Research, 2022, Vol 36, Issue 5, p358
- ISSN
1674-8301
- Publication type
Article
- DOI
10.7555/JBR.36.20220099