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Combined effects of gallic acid and propolis on beryllium-induced hepatorenal toxicity

Integrative Zoology 2008年第3期3卷 194-207页

作者： satendra k.nirala Peiqiang LI Monika BHADAURIA Guangqin GUO Institute of Cell Biology School of Life SciencesLanzhou UniversityLanzhouChina Institute of Genetics School of Basic Medical SciencesLanzhou UniversityLanzhouChina National Laboratory of Applied Organic Chemistry Lanzhou UniversityLanzhouChina

The combined effect of gallic acid (3,4,5-trihydroxy benzoic acid;GA;50 mg kg^(-1) i.p.) and propolis (200 mg kg^(-1)p.o.)was evaluated against beryllium-induced biochemical and morphological alterations in the liver and kidney. Femalealbino rats were exposed to beryllium nitrate (1 mg kg^(-1)i.p.) daily for 28 days followed by treatment with the abovementioned therapeutic agents either individually or in combination for five consecutive days. Exposure to berylliumincreased its concentration in the serum, liver and kidney and caused significant alterations in cytochrome P450enzymes, microsomal lipid peroxidation and protein contents. Beryllium administration significantly altered theaspartate aminotransaminase, alanine aminotransaminase, lactate dehydrogenase, -glutamyl transpeptidase,bilirubin, creatinine and urea in serum, and the activity of acid phosphatase, alkaline phosphatase, adenosinetriphosphatase, glucose-6-phophatase and succinic dehydrogenase, triglycerides, cholesterol, protein contents,glycogen contents, lipid peroxidation and glutathione level in the liver and kidney. Beryllium exposure inducedsevere alterations in hepatorenal morphology, revealing its toxic consequences at a cellular level. Individual administrationof GA and propolis reduced the effects on the studied parameters to a degree. Interestingly, GA in conjunctionwith propolis reversed the alterations in all of the variables examined, highlighting the beneficial effects ofcombined therapy over monotherapy in the alleviation of beryllium-induced systemic toxicity.

关键词： beryllium toxicity gallic acid 3,4,5-trihydroxy benzoic acid hepatorenal dysfunction propolis

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Propolis modulates cellular biochemistry, antioxidants, cytokine profile, histological and ultra-morphological status against antituberculosis drugs induced hepatic injury

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Asian Pacific Journal of Tropical Medicine 2018年第11期11卷 609-620页

作者： Nisha Sahu Gita Mishra Hemeshwer kumar Chandra satendra kumar nirala Monika Bhadauria Toxicology and Pharmacology Laboratory Department of Zoology Guru Ghasidas University Laboratory of Natural Products Department of Rural Technology and Social development Guru Ghasidas University

To evaluate hepatic injury induced by antituberculosis drugs(ATDs) when administered orally for 2, 4, 6 and 8 weeks and the therapeutic potential of propolis(bee hive product) against ATDs induced hepatic injury. Methods: The ATDs were administered for 8 weeks as well as propolis extract at three different doses(100, 200, 400 mg/kg) conjointly for 8 weeks in rats. Silymarin(50 mg/kg) was given as positive control. Animals were euthanized after 8 weeks; blood and liver samples were collected to perform various biochemicals, serological and histopathological and ultramorphological studies. Results: Significant increase(P kaline phosphatase, triglyceride and cholesterol along with reduction in glucose and albumin level were noted after ATDs induced hepatic injury. Significant increase(P < 0.05) in lipid peroxidation, triglyceride, cholesterol and CYP2E1 activity; decline in reduced glutathione, catalase, superoxide dismutase, glutathione reductase, glutathione peroxidase, glucose-6-phosphatase dehydrogenase activity were observed after ATDs intoxication. Due to presence of a wide range of flavonoids and polyphenols in propolis extract, its administration reduced hepatic injury and maintained biochemical indices towards control. Histopathological and electron microscopic observations indicated hepatoprotective potential of propolis at cellular level whereas, TNF-α, IL-6 and IGF-1 confirmed therapeutic potential of propolis at molecular level. Conclusions: It can be concluded that propolis possess hepatoprotective potential against ATDs induced hepatic injury that may prove itself as a clinically useful natural product in management of drug induced liver injury.

关键词： Antituberculosis drugs Propolis Biochemical Hepatic injury

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Ameliorative effect of Pergularia daemia(Forssk.) Chiov. leaves extract against anti-tuberculosis drugs induced liver injury in rats

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Asian Pacific Journal of Tropical Medicine 2018年第9期11卷 518-525页

作者： Gita Mishra Hemeshwer kumar Chandra Nisha Sahu satendra kumar nirala Monika Bhadauria Toxicology and Pharmacology Laboratory Department of ZoologyGuru Ghasidas University Laboratory of Natural Products Department of Rural Technology and Social DevelopmentGuru Ghasidas University

Objective:To evaluate therapeutic potential of hydroethanolic extract of Pergularia daemia(***) against anti-tuberculosis drugs(ATDs) induced liver ***:Wistar albino rats were divided into seven groups of six animal in *** ATDs and *** extract(100,200 and 400 mg/kg,p.o.) were conjointly administered for 8 weeks and various biochemical,histoarchitectural,ultrastructural studies were ***:Administration of ATDs significantly increased aspartate aminotransferase,alanine aminotransferase,alkaline phosphatase,triglycerides,cholesterol,bilirubin and decreased glucose and albumin *** lipid peroxidation and reduction in glutathione,superoxide dismutase,catalase,glutathione peroxidase,glutathione reductase and glucose-6-phosphate dehydrogenase were found after ATDs *** of *** extract maintained serum biochemical indices as well as antioxidant status similar to control and diminished oxidative stress in dose dependent *** and ultra-structural observations substantiated biochemical ***:*** has therapeutic potential against ATDs induced liver injury and may be of clinical significance after extensive studies.

关键词： Antituberculosis drugs Hepatic injury Pergularia daemia Antioxidant activity

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Hepatic endogenous defense potential of propolis after mercury intoxication

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Integrative Zoology 2008年第4期3卷 311-321页

作者： Monika BHADAURIA Sangeeta SHUkLA Ramesh MATHUR Om PAGRAWAL Sadhana SHRIVASTAVA Sonia JOHRI Deepmala JOSHI Varsha SINGH Deepak MITTAL satendra kumar nirala Reproductive Biology and Toxicology Laboratory Insect Physiology and Biochemistry School of Studies in ZoologyJiwaji UniversityGwaliorIndia Boston College for Professional Studies GwaliorIndia

Exposure to mercuric chloride(HgCl2;5 mg kg–1 body weight;i.p.)induced oxidative stress in mice and substantially increased lipid peroxidation(LPO)and oxidized glutathione(GSSG)levels,decreased the level of reduced glu-tathione(GSH)and various antioxidant enzymes in liver and also increased the activities of liver marker enzymes in *** with propolis extract,a resinous wax-like beehive product(200 mg kg–1 orally,after mercury administration),for 3 days inhibited LPO and the formation of GSSG and increased the level of GSH in the *** of serum transaminases,alkaline phosphatase,lactate dehydrogenase and-glutamyl transpeptidase were significantly restored after propolis *** activities of antioxidant enzymes,that is,superoxide dismutase,catalase,glutathione-S-transferase and glucose-6-phosphate dehydrogenase,were also concomitantly restored towards normal levels after propolis *** observations clearly demonstrate that propolis treatment augments antioxidant defense against mercury-induced toxicity and provide evidence that propolis has therapeutic potential as a hepatoprotective agent.

关键词： antioxidant enzymes glutathione hepatoprotection mercuric chloride propolis.

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