通过DCE-MRI泌尿学直接绘制功能图,使用四氨有机基对比剂
Nicholas D Calvert1, Alexia Kirby2, Mojmír Suchý1
1Department of Chemistry and Biomolecular Sciences, University of Ottawa, 150 Louis Pasteur Pvt., Ottawa, Ontario, K1N 6N5, Canada.
Nature communications
|July 5, 2023
概括
一种新型的对比剂,glucoverdazyl,可以使用DCE-MRI进行功能性脏评估. 清除率准确地预测了淋巴细胞过率 (GFR),提供了一个全面的评估工具.
科学领域:
- 医疗成像医学成像
- 腎臟病學 (nephrology) 是一種醫學專業.
- 有机化学 有机化学
背景情况:
- 慢性病 (CKD) 和急性损伤 (AKI) 代表着重大的全球健康挑战.
- 目前的膜过率 (GFR) 测量缺乏局部功能障碍的空间分辨率.
- 动态对比增强磁共振成像 (DCE-MRI) 提供了综合性解剖和功能性脏评估的潜力.
研究的目的:
- 为了评估 verdazyls,稳定的有机基的一类,作为对比剂用于DCE-MRI泌尿学.
- 为了评估葡萄糖修饰的 verdazyl (glucoverdazyl) 的功效,用于功能性脏评估.
- 为了确定葡萄甲清除率是否可以作为GFR的替代品.
主要方法:
- 一种以为中心的有机基体 - - 葡萄甲的合成和表征.
- 在单边泌尿管阻塞 (UUO) 和叶酸诱导性脏病 (FAN) 的小鼠模型中服用葡萄糖.
- 获取和分析DCE-MRI数据,与功能组织学和血液学评估相关.
主要成果:
- 格鲁科维达齐尔证明了对比度局部化到脏和膀.
- DCE-MRI成像结果与已建立的功能障碍指标相关性很好.
- 鉴定出glucoverdazyl清除率作为GFR的可靠替代品.
结论:
- 格鲁科瓦达齐尔是一种有前途的DCE-MRI对照剂,用于功能性脏评估.
- 这种方法为评估AKI和CKD脏健康提供了"一站式"服务.
- 葡萄糖甲清除率提供了一种非侵入性,可靠的方法来估计GFR.
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