Mr. Davide Boido Profile

Davide Boido

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SPIE Journal Paper | 23 September 2022 Open Access

Cranial window for longitudinal and multimodal imaging of the whole mouse cortex

Marine Tournissac, Davide Boido, Manon Omnès, Yannick Goulam-Houssen, Luisa Ciobanu, Serge Charpak

NPh, Vol. 9, Issue 03, 031921, (September 2022) https://doi.org/10.1117/12.10.1117/1.NPh.9.3.031921

KEYWORDS: Bone, Cranial windows, Skull, Head, Brain, Surgery, Functional magnetic resonance imaging, Multimodal imaging, Neuroimaging, Cements

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SignificanceAll functional brain imaging methods have technical drawbacks and specific spatial and temporal resolution limitations. Unraveling brain function requires bridging the data acquired with cellular and mesoscopic functional imaging. This imposes the access to animal preparations, allowing longitudinal and multiscale investigations of brain function in anesthetized and awake animals. Such preparations are optimal to study normal and pathological brain functions while reducing the number of animals used.AimTo fulfill these needs, we developed a chronic and stable preparation for a broad set of imaging modalities and experimental design.ApproachWe describe the detailed protocol for a chronic cranial window, transparent to light and ultrasound, devoid of BOLD functional magnetic resonance imaging (fMRI) artifact and allowing stable and longitudinal multimodal imaging of the entire mouse cortex.ResultsThe inexpensive, transparent, and curved polymethylpentene cranial window preparation gives access to the entire mouse cortex. It is compatible with standard microscopic and mesoscopic neuroimaging methods. We present examples of data on the neurovascular unit and its activation using two-photon, functional ultrasound imaging, and BOLD fMRI.ConclusionThis preparation is ideal for multimodal imaging in the same animal.

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