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超氧化物通过调节Oat1的表达和功能来改善西斯普拉丁诱导的急性损伤
Wenjing Yuan1, Shanshan Kou1, Ying Ma2
1Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, China Pharmaceutical University, Nanjing, PR China.
Xenobiotica; the fate of foreign compounds in biological systems
|October 27, 2023
概括
超氧化物是一种天然化合物,在预防西斯普拉丁诱导的急性损伤 (AKI) 中表现有前途. 它通过通过有机离子载体1 (Oat1) 促进毒素的排泄来增强功能.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學.
- 药理学 药理学是指药理学的学科.
- 生物化学 生物化学
背景情况:
- 西斯是一种重要的化疗药物,但其使用受到严重急性损伤 (AKI) 的限制.
- 开发有效的策略来缓解西斯胺诱导的AKI对于改善患者的治疗结果至关重要.
研究的目的:
- 调查超酸对西斯普拉丁诱导的AKI的保护作用.
- 阐明高氧化物保护作用的基本机制,重点关注硫酸的排泄和有机离子载体1 (Oat1) 调节.
主要方法:
- 在大鼠中建立了西斯普拉丁诱导的AKI模型,并给出了hyperoside.
- 评估病理损伤,血清肌素 (SCr),血液尿素 (BUN),Kim-1和氧化硫酸水平.
- 在脏组织和HEK-293T细胞中评估了氧硫酸盐的分泌,p-aminohippurate (PAH) 的吸收和Oat1的表达.
- 分析了Oat1上游调节器,HNF-1α和PXR的表达.
主要成果:
- 超氧化物显著改善了西斯普拉丁诱导的病理损伤.
- 过氧化物减少了SCr,BUN,Kim-1和氧硫酸盐的积累,同时增加了尿道氧硫酸盐的分泌.
- 过氧化物上调了Oat1表达和促进了PAH吸收,表明Oat1功能得到了增强.
- 过氧化物增加了Oat1调节器HNF-1α和PXR的mRNA表达.
结论:
- 超氧化物通过调节Oat1表达和功能来增强氧化硫酸盐的分泌,从而保护免受西斯普拉丁诱导的AKI.
- 超氧化物调节Oat1活性的能力表明它作为预防西斯胺诱导的AKI的治疗剂的潜力.
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