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对乙酰氨基酚所致大鼠肾毒性:甾体糖苷莫拉博甾醇的保护作用

Nephrotoxicity in Rats Exposed to Paracetamol: The Protective Role of Moralbosteroid, a Steroidal Glycoside.

作者信息

Gupta Gaurav, Chellappan Dinesh Kumar, Kikuchi Irene Satiko, Pinto Terezinha de Jesus Andreoli, Pabreja Kavita, Agrawal Mohit, Singh Yogendra, Tiwari Juhi, Dua Kamal

机构信息

Jaipur National University, School of Pharmaceutical Sciences, Jagatpura, 302017, Jaipur, India; University of Newcastle, School of Medicine and Public Health, Newcastle, NSW 2308, Australia.

International Medical University, School of Pharmacy, Kuala Lumpur, 57000, Malaysia.

出版信息

J Environ Pathol Toxicol Oncol. 2017;36(2):113-119. doi: 10.1615/JEnvironPatholToxicolOncol.2017019457.

Abstract

Paracetamol (PCM) has an acceptable safety profile when used at prescribed doses. However, it is now understood that paracetamol can damage the kidneys when administered as an overdose. In addition, oxidative stress can play a major role in causing nephrotoxicity. This investigation studies the efficacy of moralbosteroid isolated from M. alba stem bark. Nephrotoxicity was induced with administration of paracetamol. Nephroprotection was studied using two doses of the extract. The experimental animals were divided into four groups (n = 6). Two groups served as positive and negative controls, respectively, and two received the test substances. All of the contents were orally administered. Significant reductions in nephrotoxicity and oxidative damages were observed in the treatment groups. There was a marked decrease in blood levels of urea, creatinine, and lipid peroxidation. Furthermore, it was found that glutathione levels in the blood increased dramatically after treatment. Histological findings confirmed the potent renoprotective potential of moralbosteroid. This was evidenced by the minimized intensity of nephritic cellular destruction. In animal studies, moralbosteroid exhibited dose-dependent activity, which is thought to be mediated through its antioxidant potential.

摘要

对乙酰氨基酚(PCM)在按规定剂量使用时具有可接受的安全性。然而,现在人们知道,对乙酰氨基酚过量服用时会损害肾脏。此外,氧化应激在导致肾毒性方面可能起主要作用。本研究考察了从白千层茎皮中分离出的莫拉博甾醇的功效。通过给予对乙酰氨基酚诱导肾毒性。使用两种剂量的提取物研究肾保护作用。将实验动物分为四组(n = 6)。两组分别作为阳性和阴性对照,另外两组接受受试物质。所有内容物均通过口服给药。在治疗组中观察到肾毒性和氧化损伤显著降低。血液中尿素、肌酐和脂质过氧化水平明显下降。此外,发现治疗后血液中的谷胱甘肽水平显著升高。组织学结果证实了莫拉博甾醇具有强大的肾脏保护潜力。这通过肾细胞破坏强度的最小化得到证明。在动物研究中,莫拉博甾醇表现出剂量依赖性活性,据认为这是通过其抗氧化潜力介导的。

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