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Abstract #2189

MRI dynamic changes and mechanism of glymphatic system of hypertensive cerebral edema

Yong Xia1, Yuanpeng Jiang2, Chunrong Qu2, Zhen Cheng2, Bo Gao1, and Yongjun Cheng3
1Department of Radiology, The Affiliated Hospital of Guizhou Medical University, Guiyang, China, 2State Key Laboratory of Drug Research, Molecular Imaging Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China, 3Philips Healthcare, Shanghai, China

Synopsis

Keywords: Blood Vessels, Animals, The glymphatic system

Motivation: The pathogenesis of hypertensive cerebral edema remains elusive

Goal(s): To visualize and evaluate the transport function of the glymphatic system in the spontaneously hypertensive rats (SHR).

Approach: We used the dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) and immunofluorescence analysis

Results: And we found that there was a significant change in the transport function of the glymphatic system and a decrease in the expression of aquaporin-4 (AQP4) around blood vessels.

Impact: The combination of DCE-MRI and immunofluorescenc analysis can facilitate further exploration of mechanisms underlying brain edema in the spontaneously hypertensive animal models, thus aiding in the study of the glymphatic system.

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