在异花麻醉下,脑部摄取更高的珍塔素和塞法胺,与胺/西拉相比
Yeseul Ahn1,2, Chanakya D Patil1,2, Ehsan Nozohouri1,2
1Department of Pharmaceutical Sciences, Jerry H. Hodge School of Pharmacy, Texas Tech University Health Sciences Center, Amarillo, TX 79106, USA.
Pharmaceutics
|January 26, 2024
概括
吸入麻醉剂异氨酸增强了大脑对水友性药物的吸收,如塞夫塔齐迪姆和 جنت米辛,与胺/克西拉不同. 这一发现对于了解穿越血脑屏障 (BBB) 的潜在神经毒性物质的临床相关性至关重要.
科学领域:
- 神经科学是一个神经科学.
- 药理学 药理学是指药理学的学科.
- 麻醉学 麻醉学
背景情况:
- 之前已经证明挥发性麻醉剂 (异花,花) 可以增强血脑屏障 (BBB) 吸收水友性标记物.
- 胺/西拉麻醉并没有影响这些标记物的吸收.
- 水友药物的神经毒性潜力需要了解它们的BBB透.
研究的目的:
- 为了研究异黄素对胺/西拉麻醉对脑部吸收水性神经毒性抗生素的影响:ceftazidime和 gentamicin.
- 在不同的麻醉条件下比较这些抗生素的BBB透性.
主要方法:
- 在体外BBB模型使用人类大脑的微血管内皮细胞来评估药物透性.
- 在体内对小鼠进行的研究测量了Ceftazidime和Gentamicin的大脑吸收清除率 (K).
- 在药物管理和通过LC-MS/MS通过大脑吸收评估之前,小鼠被用异黄素或胺/西拉麻醉.
主要成果:
- 实验室研究证实,塞夫塔齐迪姆和热胺的透性很低,与糖相比.
- 在体内,异氨酸显著增加了脑吸收清除,对于Ceftazidime和Gentamicin相比,胺/Xylazine麻醉 (p <0.001两者).
- 观察到的大脑吸收量的增加表明,在异氨酸下,BBB的透性得到了增强.
结论:
- 吸入麻醉剂异氨酸增加了水友性小分子的血脑屏障透性,包括诸如塞夫塔齐迪姆 (ceftazidime) 和珍塔米辛 (gentamicin) 等抗生素.
- 这种效果与 ketamine / xylazine 麻醉缺乏 BBB 透性增强相反.
- 这些发现突出了不同麻醉方案下神经毒性物质对大脑透的潜在临床影响.
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