MgSO As a Novel Hypothermia Infusion Solution Promotes Ischemic Stroke Recovery Through Ca Regulation of Neurovascular Units

Overview

Journal Theranostics

Date 2025 Feb 3

PMID 39897562

Authors

Yang Zhang

Miaowen Jiang

Ming Wei

Chuanjie Wu

Yiming Huang

Baoying Song

Yi Xu

Hongkang Zhang

Yunong Shen

Di Wu

Yufeng Zheng

Ming Li

Xunming Ji

Affiliations

Soon will be listed here.

Abstract

The neuroprotection of acute ischemic stroke (AIS) patients to alleviate the reperfusion injury is a long-standing problem. Although the intra-arterial selective cooling saline infusion (IA-SCSI) is a promising technique to improve the outcome of AIS, the clinical results are not sufficiently satisfactory. Magnesium-containing solutions such as magnesium sulfate (MgSO) can protect cells by modulating the intracellular Ca content in damaged cells, suggesting that they could be hypothermia infusion solution. In this study, we hypothesized that MgSO, as a novel hypothermia infusion solution (IA-SCMI), can promote AIS recovery. First, IA-SCMI was performed in rats subjected to the middle cerebral artery occlusion. The effect of combined hypothermia and MgSO treatment on different neurovascular (NVU) cells after oxygen-glucose deprivation/reoxygenation (OGD/R) injury was examined. Compared with the IA-SCSI or IA-MgSO infusion alone, IA-SCMI offered the best protective effect by improving neurological defects, and alleviating brain integrity damage and CBF reduction. Meanwhile, results revealed that the combination of hypothermia and MgSO provided maximum protection to the NVU cells, and this protective effect was mainly achieved through the regulation of Ca homeostasis in different cells. MgSO may be a promising hypothermia infusion solution to facilitate the recovery of neurological function in AIS patients.

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