Three dimensional and four dimensional live imaging to study mechanisms of progressive neurodegeneration

Linsley, Jeremy W.; Reisine, Terry; Finkbeiner, Steven

doi:10.1016/j.jbc.2024.107433

Journal of Biological Chemistry

2024

DOI: 10.1016/j.jbc.2024.107433

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Three dimensional and four dimensional live imaging to study mechanisms of progressive neurodegeneration

Jeremy W. Linsley,

Terry Reisine,

Steven Finkbeiner

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2024

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Cited by 1 publication

References 147 publications

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Application of diceCT to Study the Development of the Zika Virus-Infected Mouse Brain

Green,

Cowell,

Carr

et al. 2024

Viruses

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Zika virus (ZIKV) impacts the developing brain. Here, a technique was applied to define, in 3D, developmental changes in the brains of ZIKV-infected mice. Postnatal day 1 mice were uninfected or ZIKV-infected, then analysed by iodine staining and micro-CT scanning (diffusible iodine contrast-enhanced micro-CT; diceCT) at 3-, 6-, and 10-days post-infection (dpi). Multiple brain regions were visualised using diceCT: the olfactory bulb, cerebrum, hippocampus, midbrain, interbrain, and cerebellum, along with the lens and retina of the eye. Brain regions were computationally segmented and quantitated, with increased brain volumes and developmental time in uninfected mice. Conversely, in ZIKV-infected mice, no quantitative differences were seen at 3 or 6 dpi when there were no clinical signs, but qualitatively, diverse visual defects were identified at 6–10 dpi. By 10 dpi, ZIKV-infected mice had significantly lower body weight and reduced volume of brain regions compared to 10 dpi-uninfected or 6 dpi ZIKV-infected mice. Nissl and immunofluorescent Iba1 staining on post-diceCT tissue were successful, but RNA extraction was not. Thus, diceCT shows utility for detecting both 3D qualitative and quantitative changes in the developing brain of ZIKV-infected mice, with the benefit, post-diceCT, of retaining the ability to apply traditional histology and immunofluorescent analysis to tissue.

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Application of diceCT to Study the Development of the Zika Virus-Infected Mouse Brain

Green,

Cowell,

Carr

et al. 2024

Viruses

View full text Add to dashboard Cite

show abstract

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Three dimensional and four dimensional live imaging to study mechanisms of progressive neurodegeneration

Cited by 1 publication

References 147 publications

Application of diceCT to Study the Development of the Zika Virus-Infected Mouse Brain

Application of diceCT to Study the Development of the Zika Virus-Infected Mouse Brain

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