中等到高静态磁场对胰腺损伤的影响
Ying Wang1,2, Weili Chen1,3, Junjun Wang1
1High Magnetic Field Laboratory, CAS Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, China.
静态磁场 (SMF) 在治疗胰腺损伤方面表现有前途. 适度的SMF (1.5-7T) 减少了酒精诱导的损伤,而较低的SMF (0.1T) 在急性胰腺炎模型中改善了生存率和减少了炎症.
科学领域:
- 研究静电磁场 (SMF) 在胰腺疾病中的治疗潜力.
- 探索MRI相关技术在治疗消化系统疾病中的应用.
背景情况:
- 胰腺损伤是一种普遍的消化系统疾病,缺乏特定的药物治疗方法.
- 静态磁场 (SMFs) 是MRI不可或缺的一部分,在各种疾病模型中已经显示出有效性.
研究的目的:
- 评估不同静态磁场 (SMF) 强度 (0.1-9.4特斯拉) 对小鼠酒精诱导的胰腺损伤和L-氨酸诱导的急性胰腺炎 (AP) 的治疗效果.
- 在动物水平上评估SMF对胰腺疾病的安全性.
主要方法:
- 使用了未来的动物模型,包括患有酒精相关肝病 (AALD) 和L-氨酸诱导的急性胰腺炎 (AP) 的小鼠.
- 在没有使用成像序列的情况下,对从0.1 T (72小时) 到1.5-9.4 T (12小时) 的静态磁场 (SMF) 暴露的小鼠.
- 进行了组织学分析,测量了生理参数 (体重,消耗),行为评估,血液分析,并评估了胰腺组织中的炎症标志物,氧化应激和亡.
主要成果:
- 1.5-7 T之间的静电磁场 (SMF) 显著减轻了酒精诱导的胰腺损伤,使完整的膜区域从51.5%增加到78.3%.
- 一个0.1T的SMF降低了急性胰腺炎 (AP) 老鼠的死亡率,使完整的膜面积从31.0%增加到59.7%.
- 0.1 T SMF治疗与胰腺炎症 (F4/80,MPO) 的降低,氧化应激的降低和亡率的降低有关.
结论:
- 静态磁场 (SMF) 在临床前阶段证明了胰腺损伤,包括急性胰腺炎 (AP) 的安全性和治疗潜力.
- 在未来的胰腺疾病治疗中,SMF代表了一种有前途的非侵入性和透性物理模式.
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