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Abstract #1611

High-Resolution Diffusion-MRI Detects Accelerated White Matter Degeneration in Alzheimer's Mice after Neurotrauma

Ning Hua1, Olga Minaeva1, Douglas Parsons1, Juliet Moncaster1, Hernan Jara1, and Lee Goldstein 1
1Boston University, Boston, MA, United States

Synopsis

Keywords: Traumatic Brain Injury, Traumatic brain injury

Motivation: It is important to understand how neurotrauma accelerates the progression of Alzheimer's disease.

Goal(s): The project's goal is to use ultra-high isotropic resolution (60μm) diffusion-MRI for exploring changes in white matter integrity after neurotrauma.

Approach: Ex vivo diffusion-MRI was acquired using a 9.4T Bruker scanner in a transgenic mouse model of Alzheimer's disease with and without neurotrauma.

Results: We observed decreased quantitative anisotropy in mice 8 months post the brain injury.

Impact: Our preliminary finding demonstrated that neurotrauma can induce accelerated white matter degeneration in Alzheimer's disease.

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Keywords