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Neha, Chaudhary S, Tiwari P, Parvez S. Amelioration of Phytanic Acid-Induced Neurotoxicity by Nutraceuticals: Mechanistic Insights. Mol Neurobiol 2024:10.1007/s12035-024-03985-0. [PMID: 38374317 DOI: 10.1007/s12035-024-03985-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Accepted: 01/22/2024] [Indexed: 02/21/2024]
Abstract
Phytanic acid (PA) (3,7,11,15-tetramethylhexadecanoic acid) is a methyl-branched fatty acid that enters the body through food consumption, primarily through red meat, dairy products, and fatty marine foods. The metabolic byproduct of phytol is PA, which is then oxidized by the ruminal microbiota and some marine species. The first methyl group at the 3-position prevents the β-oxidation of branched-chain fatty acid (BCFA). Instead, α-oxidation of PA results in the production of pristanic acid (2,10,14-tetramethylpentadecanoic acid) with CO2. This fatty acid (FA) builds up in individuals with certain peroxisomal disorders and is historically linked to neurological impairment. It also causes oxidative stress in synaptosomes, as demonstrated by an increase in the production of reactive oxygen species (ROS), which is a sign of oxidative stress. This review concludes that the nutraceuticals (melatonin, piperine, quercetin, curcumin, resveratrol, epigallocatechin-3-gallate (EGCG), coenzyme Q10, ω-3 FA) can reduce oxidative stress and enhanced the activity of mitochondria. Furthermore, the use of nutraceuticals completely reversed the neurotoxic effects of PA on NO level and membrane potential. Additionally, the review further emphasizes the urgent need for more research into dairy-derived BCFAs and their impact on human health.
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Affiliation(s)
- Neha
- Department of Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi, 110 062, India
| | - Shaista Chaudhary
- Department of Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi, 110 062, India
| | - Prachi Tiwari
- Department of Physiotherapy, School of Nursing Sciences and Allied Health, Jamia Hamdard, New Delhi, 110 062, India
| | - Suhel Parvez
- Department of Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi, 110 062, India.
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Onur M, Yalçın E, Çavuşoğlu K, Acar A. Elucidating the toxicity mechanism of AFM 2 and the protective role of quercetin in albino mice. Sci Rep 2023; 13:1237. [PMID: 36690753 PMCID: PMC9870885 DOI: 10.1038/s41598-023-28546-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 01/19/2023] [Indexed: 01/24/2023] Open
Abstract
Aflatoxin M2 (AFM2) is a type of mycotoxin detected in milk or dairy products from animals consuming contaminated feed. In this study, the toxicity mechanism of AFM2 and the protective effects of quercetin were investigated in albino mice. For this purpose, the mice were divided into 6 groups and the groups were fed with quercetin and AFM2. The toxic effects of AFM2 and the protective properties of quercetin were investigated using physiological, biochemical and cytogenetic parameters. The genotoxic mechanism of AFM2 and the protective role of quercetin were investigated by molecular docking, which is an in silico model. As a result, 16 mg/kg b.w AFM2 administration caused serious changes in body weight, organ index, kidney and liver weight, and deterioration of antioxidant/oxidant balance in liver and kidney organs. The decrease in glutathione levels along with an increase in malondialdehyde (MDA) levels in the liver and kidney after AFM2 administration indicates that oxidative stress is induced. The increases in alanine transaminase (ALT) and aspartat transaminase (AST) levels, which are indicators of liver damage, and the increases in serum levels of blood urea nitrogen (BUN) and creatinine, which are indicators of kidney damage, confirm the damage in both organs. AFM2 also caused genotoxicity by inducing micronucleus (MN) and chromosomal abnormalities (CAs) in bone marrow tissue. It has been determined that AFM2, which exhibits genotoxicity as a result of its clastogenic and aneugenic effects, causes CAs by interacting with DNA. Quercetin provided significant protection by improving liver and kidney tissues, partial normalization in serum parameter levels, and severe reductions in MN and CAs. The highest protection was determined as 74.1% against dicentric chromosome formations in 50 mg/kg b.w quercetin application. The interaction of quercetin with xanthine oxidase and nitric oxide synthase enzymes was determined in silico with an inhibition constant in the range of 283.71-476.17 nM. These interactions cause changes in the activity of enzymes, reducing the oxidative load in the cell, and in this way, quercetin provides protection. All toxic effects induced by AFM2 were decreased with quercetin administration dose-dependently, and this protective effect was associated with quercetin's reduction of oxidative load by inhibiting the free radical-producing enzyme. All toxic effects caused by AFM2 were decreased with quercetin administration in a dose-dependent manner, and this protective effect was associated with quercetin's reduction of oxidative load by inhibiting the enzyme that produces free radicals.
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Affiliation(s)
- Muhammed Onur
- Department of Biology, Institute of Science, Giresun University, Giresun, Turkey
| | - Emine Yalçın
- Department of Biology, Faculty of Science and Art, Giresun University, Giresun, Turkey
| | - Kültiğin Çavuşoğlu
- Department of Biology, Faculty of Science and Art, Giresun University, Giresun, Turkey.
| | - Ali Acar
- Department of Medical Services and Techniques, Vocational School of Health Services, Giresun University, Giresun, Turkey
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Panchal H, Sachdeva SN, Bhardwaj JK. Ultrastructural analysis of cadmium-induced toxicity and its alleviation by antioxidant quercetin in caprine testicular germ cells in vitro. Ultrastruct Pathol 2022; 46:259-267. [PMID: 35377831 DOI: 10.1080/01913123.2022.2060396] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Increasing evidence has demonstrated that cadmium (Cd), a common environmental toxicant, has been associated with testicular toxicity. Quercetin, an efficient flavonoid, has been shown to exert cytoprotective effect in numerous pathological processes. The current study has employed ultrastructural analysis to examine the Cd-induced toxicity in goat testicular tissue along with the ameliorative action of quercetin in a dose- and time-dependent manner in-vitro. Results of transmission electron microscopy (TEM) revealed that at lower selected concentrations (10 and 50 µM), Cd induced apoptosis-mediated cytotoxicity in testicular tissue as supported by presence of various morphological attributes of apoptosis in testicular germ cells such as condensed and marginated chromatin followed by breakdown of chromatin material, swollen mitochondria, and vacuolization. At 100 µM concentration, along with apoptosis, Cd-induced cytotoxicity in testicular tissue was associated with induction of necrosis also. However, the simultaneous supplementation of antioxidant quercetin has markedly abrogated the testicular cytotoxicity as shown by restoration of Cd-evoked aberrant ultrastructure of testicular germ cells in a dose- and time-dependent manner, providing a basis for future studies to involve quercetin in management of Cd-induced reproductive toxicity in males.
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Affiliation(s)
- Harish Panchal
- Reproductive Physiology Laboratory, Department of Zoology, Kurukshetra University, Kurukshetra, India
| | - Som Nath Sachdeva
- Department of Civil Engineering, National Institute of Technology, Kurukshetra and Kurukshetra University, Kurukshetra, India
| | - Jitender Kumar Bhardwaj
- Reproductive Physiology Laboratory, Department of Zoology, Kurukshetra University, Kurukshetra, India
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Bona S, Fernandes SA, Moreira ACJ, Rodrigues G, Schemitt EG, Di Naso FC, Marroni CA, Marroni NP. Melatonin restores zinc levels, activates the Keap1/Nrf2 pathway, and modulates endoplasmic reticular stress and HSP in rats with chronic hepatotoxicity. World J Gastrointest Pharmacol Ther 2022; 13:11-22. [PMID: 35433098 PMCID: PMC8968507 DOI: 10.4292/wjgpt.v13.i2.11] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 10/18/2021] [Accepted: 01/20/2022] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Melatonin (MLT) is a potent antioxidant molecule that is shown to have a beneficial effect in various pathological situations, due to its action against free radicals.
AIM To evaluate the effect of MLT on carbon tetrachloride (CCl4) induced liver injury in rats in terms of oxidative stress, reticular stress, and cell damage.
METHODS Twenty male Wistar rats (230-250 g) were divided into four groups: Control rats, rats treated with MLT alone, rats treated with CCl4 alone, and rats treated with CCl4 plus MLT. CCl4 was administered as follows: Ten doses every 5 d, ten every 4 d, and seven every 3 d. MLT was administered intraperitoneally at a dose of 20 mg/kg from the 10th wk to the end of the experiment (16th wk).
RESULTS MLT was able to reduce the release of liver enzymes in the bloodstream and to decrease oxidative stress in CCl4 treated rats by decreasing the level of thiobarbituric acid reactive substances and increasing superoxide dismutase activity, with a lower reduction in serum zinc levels, guaranteeing a reduction in liver damage; additionally, it increased the expression of nuclear factor (erythroid-derived 2)-like 2 and decreased the expression of Kelch-like ECH-associated protein 1. MLT also decreased the expression of the proteins associated with endoplasmic reticulum stress, i.e., glucose-regulated protein 78 and activating transcription factor 6, as well as of heat shock factor 1 and heat shock protein 70.
CONCLUSION MLT has a hepatoprotective effect in an experimental model of CCl4-induced liver injury, since it reduces oxidative stress, restores zinc levels, and modulates endoplasmic reticulum stress.
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Affiliation(s)
- Silvia Bona
- Medical Sciences Program, Universidade Federal do Rio Grande do Sul, Porto Alegre 90035-903, Rio Grande do Sul, Brazil
| | - Sabrina Alves Fernandes
- Posgraduate Program in Hepatology, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre 90040-001, Rio Grande do Sul, Brazil
| | - Andrea C Janz Moreira
- Biological Sciences Program, Universidade Federal do Rio Grande do Sul, Porto Alegre 90050-170, Rio Grande do Sul, Brazil
| | - Graziella Rodrigues
- Medical Sciences Program, Universidade Federal do Rio Grande do Sul, Porto Alegre 90035-903, Rio Grande do Sul, Brazil
| | - Elizângela G Schemitt
- Medical Sciences Program, Universidade Federal do Rio Grande do Sul, Porto Alegre 90035-903, Rio Grande do Sul, Brazil
| | - Fabio Cangeri Di Naso
- Postgraduate Program in Pneumological Sciences, Universidade Federal do Rio Grande do Sul, Porto Alegre 90000-000, Rio Grande do Sul, Brazil
| | - Cláudio A Marroni
- Posgraduate Program in Hepatology, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre 90040-001, Rio Grande do Sul, Brazil
| | - Norma P Marroni
- Medical Sciences Program, Universidade Federal do Rio Grande do Sul, Porto Alegre 90035-903, Rio Grande do Sul, Brazil
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Shakerian E, Afarin R, Akbari R, Mohammadtaghvaei N. Effect of Quercetin on the fructose-activated human hepatic stellate cells, LX-2, an in-vitro study. Mol Biol Rep 2022; 49:2839-2845. [PMID: 35067813 DOI: 10.1007/s11033-021-07097-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Accepted: 12/16/2021] [Indexed: 11/28/2022]
Abstract
BACKGROUND Hepatic fibrosis is one of the main reasons for mortality in the world. Hepatic stellate cells (HSCs) activate during chronic liver injury, express more Transforming growth factor beta (TGF-β), Collagen1α (COLA1) and actin-alpha smooth muscle (αSMA) that lead to hepatic fibrosis. Quercetin is a flavonoid in vegetables and fruits that has shown hepatoprotective potential, but little is known about its effects on HSCs activation. In this study, we investigated the antifibrotic activity of Quercetin on fructose-activated human HSCs and its underlying mechanism in vitro. METHODS First, the human HSCs were treated with fructose (25 mM) for 48 h and then with Quercetin for 24 h. Total RNAs were extracted, reversely transcribed into cDNA, Quantitative Real-time PCR and western blot were performed. RESULTS The results showed that the levels of mRNA expression of TGF-β, αSMA, Collagen1 genes, and phosphorylated smad3 protein were significantly reduced in fructose-activated HSCs after treatment with Quercetin compared to fructose-activated HSCs. CONCLUSION Quercetin is effective in reducing the expression of fibrogenic genes in fructose-activated human HSCs through downregulation of the TGF-β/smad3 signaling pathway. Therefore, Quercetin possesses significant antifibrotic properties in hepatic fibrosis.
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Affiliation(s)
- Elham Shakerian
- Hyperlipidemia Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.,Department of Clinical Biochemistry, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Reza Afarin
- Hyperlipidemia Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.,Department of Clinical Biochemistry, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Rasoul Akbari
- Hyperlipidemia Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.,Department of Clinical Biochemistry, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Narges Mohammadtaghvaei
- Hyperlipidemia Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran. .,Department of Laboratory Sciences, Faculty of Paramedicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
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El-Haskoury R, Al-Waili N, Kamoun Z, Makni M, Al-Waili A, Lyoussi B. Antioxidant activity and protective effect of propolis against carbon tetrachloride-induced liver and kidney injury by modulation of oxidative parameters. Vet World 2021; 14:3076-3083. [PMID: 35153395 PMCID: PMC8829412 DOI: 10.14202/vetworld.2021.3076-3083] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Accepted: 10/25/2021] [Indexed: 12/13/2022] Open
Abstract
Background and Aim: Propolis has a protective effect against cellular damage caused by toxic agents such as drugs, metals, xenobiotics, and chemicals. The aim of this study was to investigate the antioxidant activity and the effect of ethanolic extract of propolis on carbon tetrachloride (CCl4)-induced oxidative stress on kidney and liver injury in rat. Materials and Methods: The study quantified phenol, flavone, and flavonol in propolis and assessed antioxidant activity using 2, 2-diphenyl-1-picrylhydrazyl, ferric reducing antioxidant power, and molybdate. The investigators used four groups of rats to study the effect of propolis on CCl4-induced toxicity. Propolis extract was given orally (500 mg/kg) for 12 days, and CCl4 (1 mL/kg) was administered intraperitoneally on day 5 of the experiment. Blood and tissue samples of the liver and kidney were collected on day 13 to measure biochemical and oxidative parameters. The parameters included malondialdehyde (MDA), protein carbonyl formation (PCO), advanced oxidation protein products (AOPP), catalase (CAT), glutathione peroxidase (GPx), reduced glutathione (GSH), and ascorbic acid (AA). Biochemical parameters included liver enzymes, blood urea (BU), creatinine, and uric acid (UA). Results: CCl4 decreased antioxidant agents, including CAT, GPx, GSH, and AA in the liver and kidney tissues. The oxidative agents’ levels, including MDA, PCO, and AOPP, increased by CCl4 compared to the control group. CCl4 increased liver enzymes, UA, BU, and creatinine in the blood samples. Propolis significantly alleviated liver and kidney function, improved antioxidant parameters, and decreased levels of oxidative agents. Conclusion: The data showed for the 1st time that Moroccan propolis has a protective effect against CCl4-induced kidney and liver toxicity by maintaining the activity of the antioxidant defense system, which was most likely due to its antioxidant activity.
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Affiliation(s)
- Redouan El-Haskoury
- Laboratory of Natural Substances, Pharmacology, Environment, Modeling, Health, and Quality of Life (SNAMOPEQ), Department of Biology, Faculty of Sciences Dhar Mehraz, Sidi Mohamed Ben Abdellah University, Fez 30000, Morocco
| | - Noori Al-Waili
- New York Medical Care for Nephrology, Richmond Hill, New York, United States
| | - Zeineb Kamoun
- Laboratory of Toxicology-Microbiology, and Environmental Health (UR11ES70), Faculty of Sciences of Sfax, Higher Institute of Biotechnology of Sfax, University of Sfax, Tunisia
| | - Mohamed Makni
- Laboratory of Toxicology-Microbiology, and Environmental Health (UR11ES70), Faculty of Sciences of Sfax, Higher Institute of Biotechnology of Sfax, University of Sfax, Tunisia
| | - Ahmed Al-Waili
- New York Medical Care for Nephrology, Richmond Hill, New York, United States
| | - Badiaa Lyoussi
- Laboratory of Natural Substances, Pharmacology, Environment, Modeling, Health, and Quality of Life (SNAMOPEQ), Department of Biology, Faculty of Sciences Dhar Mehraz, Sidi Mohamed Ben Abdellah University, Fez 30000, Morocco
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Refat MS, Hamza RZ, Adam AMA, Saad HA, Gobouri AA, Al-salmi FA, Altalhi TA, El-megharbel SM. Potential Therapeutic Effects of New Ruthenium (III) Complex with Quercetin: Characterization, Structure, Gene Regulation, and Antitumor and Anti-Inflammatory Studies (RuIII/Q Novel Complex Is a Potent Immunoprotective Agent). Crystals 2021; 11:367. [DOI: 10.3390/cryst11040367] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The aim of this study was to evaluate the antioxidant and anti-inflammatory effects of the new [Ru(Q)(Cl)2(H2O)2] complex (RuIII/Q). A new vital complex containing quercetin flavonoid compound (Q) with ruthenium (III) ions was synthesized. The molar conductivity of the RuIII/Q complex was measured in dimethylsulfoxide (DMSO) with value 12 (Ω−1 mol−1 cm−1, indicating their non-electrolytic nature. Infrared (FTIR) spectroscopic investigation of the RuIII/Q complex indicated that Q is coordinated as a bidentate with Ru metal ions through the oxygen of carbonyl C(4)=O group and oxygen of phenolic C(3)−O group based on the wavenumber shifts at 1654 and 1335 cm−1 respectively. The electronic (UV−Vis) spectra and the magnetic susceptibility value (1.85 B.M.) revealed that the Ru(III) complex has an octahedral geometry. The average diameter of the RuIII/Q nanoparticles was approximately 7–15 nm according to the transmission electron microscopy. The thermogravimetric study (TG/DTG) indicates that the RuIII/Q compound is quite stable until 300 °C. To assess biological activity, 60 male rats were allocated to six groups, namely control, DG (D-galactose), Q, RuIII/Q, DG plus Q, and DG plus RuIII/Q. Antioxidant enzymes (SOD, CAT, GPx, and GRx), markers of lipid peroxidation (such as MDA), expression of genes (namely Nrf2, Cu-ZnSOD, CAT, GPx, cyto c, P53, Bax, BCl2, caspase-3, and caspase-9 in testicular tissue), glutamate, 4-hydroxynonenal (HNE), GSH, HCY, amyloid beta, and GABA levels were evaluated in brain tissues. Cytokines, such as IL-6 and TNF-α, histological and ultrastructural studies were estimated in both the brain and testicular tissues, while the comet assay was performed in the brain tissue. RuIII/Q administration either alone or combined with DG reduced oxidative injury to normal levels and decreased apoptotic activities. Thus, RuIII/Q inhibited injury in both the testis and brain and reduced oxidative stress in male rats. The (RuIII/Q) complex has a potent ameliorative effect against aging neurotoxicity, reproductive toxicity, and antihepatic cancer activity induced by D-galactose (DG).
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Machado-Junior PA, Araújo NPS, Souza ABF, Castro TF, Oliveira M, Costa GP, Matos NA, Vieira PMA, Talvani A, Bezerra FS, Cangussú SD. Protective Effects of Quercetin on Livers from Mice Exposed to Long-Term Cigarette Smoke. Biomed Res Int 2020; 2020:2196207. [PMID: 33282940 DOI: 10.1155/2020/2196207] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 10/15/2020] [Accepted: 10/19/2020] [Indexed: 01/24/2023]
Abstract
Cigarette smoke is highly toxic, and it can promote increased production of reactive species and inflammatory response and leads to liver diseases. Quercetin is a flavonoid that displays antioxidant and anti-inflammatory activities in liver diseases. This study aimed at evaluating the protective effects of quercetin on livers from mice exposed to long-term cigarette smoke exposure. Male C57BL/6 mice were divided into five groups: control (CG), vehicle (VG), quercetin (QG), cigarette smoke (CSG), quercetin, and cigarette smoke (QCSG). CSG and QCSG were exposed to cigarette smoke for sixty consecutive days; at the end of the exposures, all animals were euthanized. Mice that received quercetin daily and were exposed to cigarette smoke showed a reduced influx of inflammatory cells, oxidative stress, inflammatory reaction, and histopathological changes in the liver, compared to CSG. These results suggest that quercetin may be an effective adjuvant for treating damage to the liver due to cigarette smoke exposure.
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Abdelazeim SA, Shehata NI, Aly HF, Shams SGE. Amelioration of oxidative stress-mediated apoptosis in copper oxide nanoparticles-induced liver injury in rats by potent antioxidants. Sci Rep 2020; 10:10812. [PMID: 32616881 DOI: 10.1038/s41598-020-67784-y] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Accepted: 06/10/2020] [Indexed: 12/21/2022] Open
Abstract
The purpose of this study is to investigate the therapeutic efficacy of individual or combined doses of dehydro-epiandrosterone (DHEA) and quercetin in ameliorating some biochemical indices in liver of CuO-NPs intoxicated-rats. CuO-NPs (50 nm) was administered as a daily oral dose 100 mg/kg for 2 weeks to rats followed by the fore-mentioned antioxidants for 1 month. We highlighted the therapeutic effect of DHEA and quercetin against CuO-NPs toxicity through monitoring the alteration of liver enzyme activity, antioxidant defense mechanism, necrosis, apoptosis, histopathological alterations, and DNA damage. The rats given CuO-NPs only showed marked significant elevation in liver enzymes, alteration in oxidant-antioxidant balance and an elevation in the hepatic inflammatory marker; tumor necrosis factor-α. Additionally, over expression of both caspase-3 and Bax proteins were detected. Whereas, Bcl2 was down regulated and DNA fragmentation was elevated. Moreover, Histopathological examination of hepatic tissue reinforced the previous biochemical results. Co-treatment with either DHEA, quercetin alone or in combination ameliorated the deviated parameters with variable degrees against CuO-NPs toxicity in rat. In conclusion, our findings suggested that the aforementioned treatments exert therapeutic effect in CuO-NPs toxicity by diminishing oxidative stress, mRNA gene expression and hepatic tissues DNA damage.
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Ceccherini E, Cecchettini A, Morales MA, Rocchiccioli S. The Potentiality of Herbal Remedies in Primary Sclerosing Cholangitis: From In Vitro to Clinical Studies. Front Pharmacol 2020; 11:813. [PMID: 32587513 PMCID: PMC7298067 DOI: 10.3389/fphar.2020.00813] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Accepted: 05/19/2020] [Indexed: 12/12/2022] Open
Abstract
Primary sclerosing cholangitis is a complex pathological condition, characterized by chronic inflammation and fibrosis of the biliary epithelium. Without proper clinical management, progressive bile ducts and liver damage lead to cirrhosis and, ultimately, to liver failure. The known limited role of current drugs for treating this cholangiopathy has driven researchers to assess alternative therapeutic options. Some herbal remedies and their phytochemicals have shown anti-fibrotic properties in different experimental models of hepatic diseases and, occasionally, in clinical trials in primary sclerosing cholangitis patients; however their mechanism of action is not completely understood. This review briefly examines relevant studies focusing on the potential anti-fibrotic properties of Silybum marianum, Curcuma longa, Salvia miltiorrhiza, and quercetin. Each natural product is individually reviewed and the possible mechanisms of action discussed.
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Affiliation(s)
- Elisa Ceccherini
- Institute of Clinical Physiology, National Research Council (CNR), Pisa, Italy
| | - Antonella Cecchettini
- Institute of Clinical Physiology, National Research Council (CNR), Pisa, Italy.,Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | | | - Silvia Rocchiccioli
- Institute of Clinical Physiology, National Research Council (CNR), Pisa, Italy
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Amen Y, Sherif AE, Shawky NM, Abdelrahman RS, Wink M, Sobeh M. Grape-Leaf Extract Attenuates Alcohol-Induced Liver Injury via Interference with NF-κB Signaling Pathway. Biomolecules 2020; 10:E558. [PMID: 32268521 DOI: 10.3390/biom10040558] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 03/27/2020] [Accepted: 04/01/2020] [Indexed: 01/01/2023] Open
Abstract
Grape (Vitis vinifera) leaf extracts (GLEs) are known to be rich in phenolic compounds that exert potent antioxidant effects. Given the vulnerability of the liver to oxidative damage, antioxidants have been proposed as therapeutic agents and coadjuvant drugs to ameliorate liver pathologies. The current study was designed to characterize secondary metabolites and investigate the hepatoprotective effects of GLE and its underlying mechanisms. The secondary metabolites were profiled using HPLC–PDA–ESI-MS, and forty-five compounds were tentatively identified. In experimental in vivo design, liver injury was induced by oral administration of high doses of ethanol (EtOH) for 12 days to male Sprague Dawley rats that were split into five different groups. Blood samples and livers were then collected, and used for various biochemical, immunohistochemical, and histopathological analyses. Results showed that GLE-attenuated liver injury and promoted marked hepatic antioxidant effects, in addition to suppressing the increased heat-shock protein-70 expression. Moreover, GLE suppressed EtOH-induced expression of nuclear factor-κB (NF-κB) p65 subunit and proinflammatory cytokine tumor necrosis factor-α. Caspase-3 and survivin were enhanced by EtOH intake and suppressed by GLE intake. Finally, EtOH-induced histopathological changes in liver sections were markedly normalized by GLE. In conclusion, our results suggested that GLE interferes with NF-κB signaling and induces antioxidant effects, which both play a role in attenuating apoptosis and associated liver injury in a model of EtOH-induced liver damage in rats.
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Abstract
The liver is one of the most complex organs of the human body and is involved in various metabolic processes. Due to its anatomical proximity to the digestive tract, its blood flow, and its contribution to the detoxification process, the liver is susceptible to a wide variety of disorders. Hepatic diseases can be caused by alcoholism, viral infections, malnutrition and xenobiotics, which result in a high frequency of patients with liver disease and subsequent increase in the number of deaths from these diseases, for which adequate treatments are not yet available. Therefore, the search for new alternatives to treat these liver conditions is mandatory. In recent decades, there has been an increase in interest in medicinal herbs due to their safety and hepatoprotective properties that arise from their anti-inflammatory, antioxidant, antifibrotic, antiviral, immunomodulatory and anticancer properties. Epidemiological and clinical studies have shown that the consumption of these compounds is associated with a decrease in the risk of developing liver diseases; thus, medicinal herbs have emerged as a viable option for the treatment of these hepatic pathologies. However, more basic and clinical studies are needed before reaching a final recommendation to treat human liver diseases. This review provides molecular and clinical information on some natural compounds and medicinal herbs that have hepatoprotective effects and could be useful for the treatment of hepatic disorders.
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Teixeira J, Chavarria D, Borges F, Wojtczak L, Wieckowski MR, Karkucinska-Wieckowska A, Oliveira PJ. Dietary Polyphenols and Mitochondrial Function: Role in Health and Disease. Curr Med Chem 2019; 26:3376-3406. [PMID: 28554320 DOI: 10.2174/0929867324666170529101810] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2017] [Revised: 04/23/2017] [Accepted: 04/23/2017] [Indexed: 12/12/2022]
Abstract
Mitochondria are cytoplasmic double-membraned organelles that are involved in a myriad of key cellular regulatory processes. The loss of mitochondrial function is related to the pathogenesis of several human diseases. Over the last decades, an increasing number of studies have shown that dietary polyphenols can regulate mitochondrial redox status, and in some cases, prevent or delay disease progression. This paper aims to review the role of four dietary polyphenols - resveratrol, curcumin, epigallocatechin-3-gallate nd quercetin - in molecular pathways regulated by mitochondria and their potential impact on human health. Cumulative evidence showed that the aforementioned polyphenols improve mitochondrial functions in different in vitro and in vivo experiments. The mechanisms underlying the polyphenols' beneficial effects include, among others, the attenuation of oxidative stress, the regulation of mitochondrial metabolism and biogenesis and the modulation of cell-death signaling cascades, among other mitochondrial-independent effects. The understanding of the chemicalbiological interactions of dietary polyphenols, namely with mitochondria, may have a huge impact on the treatment of mitochondrial dysfunction-related disorders.
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Affiliation(s)
- José Teixeira
- CIQUP/Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, Porto 4169- 007, Portugal.,CNC - Center for Neuroscience and Cell Biology, UC-Biotech, Biocant Park - Cantanhede, University of Coimbra, Portugal
| | - Daniel Chavarria
- CIQUP/Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, Porto 4169- 007, Portugal
| | - Fernanda Borges
- CIQUP/Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, Porto 4169- 007, Portugal
| | - Lech Wojtczak
- Nencki Institute of Experimental Biology, Warsaw, Poland
| | | | | | - Paulo J Oliveira
- CNC - Center for Neuroscience and Cell Biology, UC-Biotech, Biocant Park - Cantanhede, University of Coimbra, Portugal
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Zakaria ZA, Mahmood ND, Omar MH, Taher M, Basir R. Methanol extract of Muntingia calabura leaves attenuates CCl 4-induced liver injury: possible synergistic action of flavonoids and volatile bioactive compounds on endogenous defence system. Pharm Biol 2019; 57:335-344. [PMID: 31068038 PMCID: PMC6508049 DOI: 10.1080/13880209.2019.1606836] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Revised: 03/09/2019] [Accepted: 04/08/2019] [Indexed: 06/09/2023]
Abstract
CONTEXT Muntingia calabura L. (Muntingiaceae) exerts antioxidant and anti-inflammatory activities, thus, it might be a good hepatoprotective agent. OBJECTIVE This study investigates the effect of methanol extract of M. calabura leaves (MMCL) on hepatic antioxidant and anti-inflammatory activities in CCl4-induced hepatotoxic rat. MATERIALS AND METHODS Sprague Dawley rats (n = 6) were treated (p.o.) with 10% DMSO (Groups 1 and 2), 50 mg/kg N-acetylcysteine (Group 3) or, 50, 250, or 500 mg/kg MMCL (Groups 4-6) for 7 consecutive days followed by pretreatment (i.p.) with vehicle (Group 1) or 50% CCl4 in olive oil (v/v) (Groups 2-6) on day 7th. Plasma liver enzymes and hepatic antioxidant enzymes and pro-inflammatory cytokines concentrations were measured while liver histopathology was examined. RESULTS MMCL, at 500 mg/kg, significantly (p < 0.05) ameliorated CCl4-induced hepatotoxicity by decreasing the plasma level of alanine transaminase (429.1 versus 168.7 U/L) and aspartate transaminase (513.8 versus 438.1 U/L) as well as the tissue level of nitric oxide (62.7 versus 24.1 nmol/g tissue). At 50, 250, or 500 mg/kg, MMCL significantly (p < 0.05) reduced the tumour necrosis factor α (87.8 versus 32.7 pg/mg tissue), interleukin-1β (1474.4 versus 618.3 pg/mg tissue), and interleukin-6 (136.7 versus 30.8 pg/mg tissue) while increased the liver catalase (92.1 versus 114.4 U/g tissue) and superoxide dismutase (3.4 versus 5.5 U/g tissue). Additionally, qualitative phytochemicals analysis showed that MMCL contained gallic acid, ferulic acid, quercetin, and genistein. DISCUSSION AND CONCLUSIONS MMCL ability to attenuate CCl4-induced hepatotoxicity could be helpful in the development of hepatoprotective agents with fewer side effects.
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Affiliation(s)
- Zainul Amiruddin Zakaria
- Laboratory of Halal Science Research, Halal Products Research Institute, Universiti Putra Malaysia, Serdang, Malaysia
- Integrative Pharmacogenomics Institute (iPROMISE), Universiti Teknologi MARA, Puncak Alam, Malaysia
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Malaysia
| | - Nur Diyana Mahmood
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Malaysia
| | - Maizatul Hasyima Omar
- Phytochemistry Unit Herbal Medicine Research Centre, Institute for Medical Research, Kuala Lumpur, Malaysia
| | - Muhammad Taher
- Department of Pharmaceutical Technology, Kulliyah of Pharmacy International Islamic University Malaysia, Kuantan, Malaysia
| | - Rusliza Basir
- Department of Human Anatomy, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Malaysia
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Pingili RB, Challa SR, Pawar AK, Toleti V, Kodali T, Koppula S. A systematic review on hepatoprotective activity of quercetin against various drugs and toxic agents: Evidence from preclinical studies. Phytother Res 2019; 34:5-32. [PMID: 31617262 DOI: 10.1002/ptr.6503] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2019] [Revised: 07/20/2019] [Accepted: 08/18/2019] [Indexed: 01/19/2023]
Abstract
Quercetin is one of the most abundant flavonoids in human diet that has been reported to exhibit a wide range of pharmacological properties. The biochemical and molecular mechanisms involved in the hepatoprotective activity of quercetin were discussed in this review. Quercetin exhibited hepatoprotective activity against 2-butoxyethanol, acrylamide, acrylonitrile, aflatoxin B1, aroclor-1254, arsenic, sodium arsenite, azathioprine, cadmium chloride, carbon tetrachloride, chlorpyrifos, cyclosporine A, diazinon, dimethylnitrosamine, doxorubicin, epirubicin, ethanol, fenvalerate, isoniazide, rifampicin, lead acetate, lindane, D-galactosamine, methotrexate, methylmercury, nickel sulfate, paracetamol, perfluorooctanoic acid, polychlorinated biphenyls, pyrrolizidine alkaloid clivorine, rotenone, sodium fluoride, streptazotocin, tert-butyl hydroperoxide, thioacetamide, titanium dioxide, tumor necrosis factor-α, tripterygium glycoside, triptolide, ultraviolet A light, concavalin A, bisphenol, and ischemia-induced hepatotoxicity in various animal models due to its antioxidant, free radical-scavenging,anti-inflammatory, antiapoptotic, and cytochrome P450 2E1 (CYP2E1) inhibitory activities. In this review, we provide an overview of the possible mechanisms by which quercetin reduced the hepatotoxicity of different hepatotoxicants. This will help the toxicologists, pharmacologists, and chemists to develop new safer pharmaceutical products with quercetin and other hepatotoxicants.
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Affiliation(s)
- Ravindra Babu Pingili
- Research and Development, Department of Pharmacy, Jawaharlal Nehru Technological University, Kakinada, India.,Department of Pharmacology, KVSR Siddhartha College of Pharmaceutical Sciences, Vijayawada, India
| | - Siva Reddy Challa
- Department of Pharmacology, KVSR Siddhartha College of Pharmaceutical Sciences, Vijayawada, India
| | - A Krishnamanjari Pawar
- Department of Pharmaceutical Analysis, University College of Pharmaceutical Sciences, Andhra University, Visakhapatnam, India
| | - Vyshnavi Toleti
- Department of Pharmacy Practice, KVSR Siddhartha College of Pharmaceutical Sciences, Vijayawada, India
| | - Tanvija Kodali
- Department of Pharmacy Practice, KVSR Siddhartha College of Pharmaceutical Sciences, Vijayawada, India
| | - Sirisha Koppula
- Department of Pharmacy Practice, KVSR Siddhartha College of Pharmaceutical Sciences, Vijayawada, India
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16
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Zhao J, Yang J, Xie Y. Improvement strategies for the oral bioavailability of poorly water-soluble flavonoids: An overview. Int J Pharm 2019; 570:118642. [DOI: 10.1016/j.ijpharm.2019.118642] [Citation(s) in RCA: 135] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2019] [Revised: 08/20/2019] [Accepted: 08/21/2019] [Indexed: 01/29/2023]
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18
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Affiliation(s)
- Heba Karam
- National Center for Radiation Research and Technology- Egyptian Atomic Energy Authority, Cairo, Egypt
| | - Marwa Mohamed
- National Center for Radiation Research and Technology- Egyptian Atomic Energy Authority, Cairo, Egypt
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Zaplatic E, Bule M, Shah SZA, Uddin MS, Niaz K. Molecular mechanisms underlying protective role of quercetin in attenuating Alzheimer's disease. Life Sci 2019; 224:109-19. [PMID: 30914316 DOI: 10.1016/j.lfs.2019.03.055] [Citation(s) in RCA: 159] [Impact Index Per Article: 31.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Revised: 03/22/2019] [Accepted: 03/22/2019] [Indexed: 12/17/2022]
Abstract
Quercetin belongs to the flavonoids family, which is present in most of the plants including fruits, vegetables, green tea and even in red wine having antioxidant activities. It is available as a food supplement in the market and has physiological health effects. Quercetin has anti-inflammatory, anticancer and anti-prostate activities along with its beneficial effects on high cholesterol, kidney transplantation, asthma, diabetes, viral infections, pulmonary, schizophrenia and cardiovascular diseases. Quercetin possesses scavenging potential of hydroxyl radical (OH-), hydrogen peroxide (H2O2), and superoxide anion (O2-). These reactive oxygen species (ROS) hampers lipid, protein, amino acids and deoxyribonucleic acid (DNA) processing leading to epigenetic alterations. Quercetin has the ability to combat these harmful effects. ROS plays a vital role in the progression of Alzheimer's disease (AD), and we propose that quercetin would be the best choice to overcome cellular and molecular signals in regulating normal physiological functions. However, data are not well documented regarding exact cellular mechanisms of quercetin. The neuroprotective effects of quercetin are mainly due to potential up- and/or down-regulation of cytokines via nuclear factor (erythroid-derived 2)-like 2 (Nrf2), Paraoxonase-2, c-Jun N-terminal kinase (JNK), Protein kinase C, Mitogen-activated protein kinase (MAPK) signalling cascades, and PI3K/Akt pathways. Therefore, the aim of the present review was to elaborate on the cellular and molecular mechanisms of the quercetin involved in the protection against AD.
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20
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Bona S, Rodrigues G, Moreira AJ, Di Naso FC, Dias AS, Da Silveira TR, Marroni CA, Marroni NP. Antifibrogenic effect of melatonin in rats with experimental liver cirrhosis induced by carbon tetrachloride. JGH Open 2018; 2:117-123. [PMID: 30483575 PMCID: PMC6206983 DOI: 10.1002/jgh3.12055] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Revised: 02/26/2018] [Accepted: 04/02/2018] [Indexed: 12/18/2022]
Abstract
Background and Aim Liver diseases are a major public health problem, accounting for a significant number of hospital visits and admissions and an increasing mortality rate. Melatonin (MLT) is a powerful antioxidant molecule that has been shown to be beneficial under various conditions. The objective was to evaluate the effect of MLT on experimental liver cirrhosis induced by carbon tetrachloride (CCl4) in rats. Methods Twenty male Wistar rats (230–250 g) were divided into four groups. I: control group (CO); II: CO + MLT; III: CCl4; and IV: CCl4 + MLT. CCl4 was administered intraperitoneally (i.p.) as follows: 10 doses every 5 days, 10 doses every 4 days, and 7 doses every 3 days. MLT was administered i.p. at a dose of 20 mg/kg from the 10th week to the end of the experiment (16th week). Results In the CCl4 + MLT group, we found that MLT caused a decrease in the level of F2‐isoprostanes and NQO1 expression. We also found that MLT reduced the inflammatory process as shown by decreased expressions of NF‐KB/p65 and inducible nitric oxide synthase (iNOS) and a smaller amount of inflammatory infiltrate. MLT reduced the expression of transforming growth factor beta1 (TGF‐β1), alpha‐smooth muscle actin (α‐SMA), and vascular endothelial growth factor (VEGF). Picrosirius staining showed that MLT decreases fibrosis. Conclusion MLT has a potent antifibrogenic effect, modulating the parameters of oxidative stress, angiogenesis, and inflammation.
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Affiliation(s)
- Silvia Bona
- Center of Experimental Research Hospital de Clínicas de Porto Alegre Porto Alegre RS Brazil.,Postgraduate Program in Medical Sciences: Medicine Universidade Federal do Rio Grande do Sul Porto Alegre RS Brazil
| | - Graziella Rodrigues
- Center of Experimental Research Hospital de Clínicas de Porto Alegre Porto Alegre RS Brazil.,Postgraduate Program in Medical Sciences: Medicine Universidade Federal do Rio Grande do Sul Porto Alegre RS Brazil
| | - Andrea J Moreira
- Center of Experimental Research Hospital de Clínicas de Porto Alegre Porto Alegre RS Brazil.,Postgraduate Program in Biological Sciences: Physiology Universidade Federal do Rio Grande do Sul Porto Alegre RS Brazil
| | - Fábio C Di Naso
- Center of Experimental Research Hospital de Clínicas de Porto Alegre Porto Alegre RS Brazil.,Postgraduate Program in Pneumological Sciences Universidade Federal do Rio Grande do Sul Porto Alegre RS Brazil
| | - Alexandre S Dias
- Postgraduate Program in Pneumological Sciences Universidade Federal do Rio Grande do Sul Porto Alegre RS Brazil
| | - Thêmis R Da Silveira
- Center of Experimental Research Hospital de Clínicas de Porto Alegre Porto Alegre RS Brazil
| | - Claudio A Marroni
- Center of Experimental Research Hospital de Clínicas de Porto Alegre Porto Alegre RS Brazil.,Postgraduate Program in Liver Diseases Universidade Federal de Ciências da Saúde de Porto Alegre Porto Alegre RS Brazil
| | - Norma P Marroni
- Center of Experimental Research Hospital de Clínicas de Porto Alegre Porto Alegre RS Brazil.,Postgraduate Program in Medical Sciences: Medicine Universidade Federal do Rio Grande do Sul Porto Alegre RS Brazil.,Postgraduate Program in Biological Sciences: Physiology Universidade Federal do Rio Grande do Sul Porto Alegre RS Brazil.,Postgraduate Program in Cell and Molecular Biology Applied to Health Universidade Luterana do Brasil Canoas RS Brazil
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Selvi EK, Turumtay H, Demir A, Turumtay EA. Phytochemical Profiling and Evaluation of the Hepatoprotective Effect of Cuscuta Campestris by High-Performance Liquid Chromatography with Diode Array Detection. ANAL LETT 2018. [DOI: 10.1080/00032719.2017.1382502] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
| | - Halbay Turumtay
- Department of Energy System Engineering, Karadeniz Technical University, Trabzon, Turkey
| | - Adem Demir
- Department of Chemistry, R.T.E. University, Rize, Turkey
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22
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Yang J, Tian H, Huang X. Tephrosin attenuates sepsis induced acute lung injury in rats by impeding expression of ICAM-1 and MIP-2. Microb Pathog 2018; 117:93-99. [PMID: 29432911 DOI: 10.1016/j.micpath.2018.02.017] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 02/08/2018] [Accepted: 02/08/2018] [Indexed: 01/01/2023]
Abstract
Acute lung injury (ALI), a devastating form of respiratory infections, is characterized by increased edema, release of cytokines, weakened arterial oxygenation and infiltration of neutrophils and lymphocytes. The objective of the research envisaged was to reveal protective effects of tephrosin (TP) in ALI. In the present investigation, sepsis was triggered in rats by cecal ligation and puncture (CLP) method, and TP was administered intraperitonially. Five groups - Group A (control), Group B (Sham group) Group C (infected and untreated), and Group D and E (infected and treated with 25 and 50 mg/kg TP respectively) - of ten rats each, were used for the investigation. Evaluation parameters included measurement of arterial oxygenation, lung water content, protein determination, cytokine determination, neutrophil and lymphocyte count in the bronchoalveolar lavage fluid (BALF). As indicated by histopathological examination, the lung injury score was maximum in group C, but indicated reduction in group D and E. Intracellular adhesion molecule (ICAM)-1 and macrophage inflammatory protein-2 (MIP-2) are known to be important mediators responsible for ALI. Reduction in the ICAM-1 and MIP-2 expression was found to reduce after treatment with TP. In comparison to group D, group E reflected higher magnitude of ICAM-1 and MIP-2 suppression due to administration of higher TP dose. Compared to Group A and B, Group E indicated slightly higher expression of ICAM-1 and MIP-2. The research envisaged thus supports that TP attenuates ICAM-1 and MIP-2 expression in sepsis induced ALI rat model.
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Affiliation(s)
- Jiaorong Yang
- Emergency Department, Guizhou Provincial People's Hospital, Guiyang, Guizhou, 550002, China
| | - Helan Tian
- Emergency Department, Guizhou Provincial People's Hospital, Guiyang, Guizhou, 550002, China
| | - Xiaomo Huang
- Emergency Department, Guizhou Provincial People's Hospital, Guiyang, Guizhou, 550002, China.
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23
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Fadda LM, Attia HA, Al-Rasheed NM, Ali HM, Al-Rasheed NM. Roles of some antioxidants in modulation of cardiac myopathy induced by sodium nitrite via down-regulation of mRNA expression of NF-κB, Bax, and flt-1 and suppressing DNA damage. Saudi Pharm J 2017; 26:217-223. [PMID: 30166919 PMCID: PMC6111199 DOI: 10.1016/j.jsps.2017.12.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2017] [Accepted: 12/10/2017] [Indexed: 12/30/2022] Open
Abstract
The underlying pathology of cardiac damage involves various molecular and signaling pathways. Therefore, this study aimed to explore the role of Quercetin (Querc), alone or in combination with Melatonin (Melat) against cardiac damage induced by sodium nitrite (Sod nit), as well as to elucidate different signaling pathways. Querc and Melat were injected intraperitoneally (i.p.), followed by induction of hypoxia in rats by using a single dose of Sod nit (60 mg/kg, s.c.). Treatment with Sod nit significantly decreased hemoglobin (Hb) levels in blood. Pretreatment of hypoxic rats with Querc and/or Melat elevated the declined Hb concentration. The forementioned antioxidants also successfully ameliorated the alteration of heat shock protein 70 (HSP-70) and markers of cardiac injury, including troponin T (Trop. T), creatine kinase-MB (CK-MB), tumor necrosis factor-α (TNF α), and C-reactive protein (CRP) in the rats serum. Furthermore, RT-PCR revealed that these antioxidants successfully modulated mRNA expression of NF-κB, Bax, Bcl-2, and flt-1. They also regulated vascular endothelial growth factor (VEGF), the apoptosis marker caspase 3, and oxidative DNA damage in cardiac tissue, compared to Sod nit-intoxicated rats. The present biochemical results are reinforced by histopathological examination. IN CONCLUSION The results reflected that treatment with Querc in combination with Melat was most effective in improving Sod nit-toxicity induced cardiac damage, thus confirming the promising role of this combination as an effective treatment for cardiac damage induced by other cardio-toxic agents.
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Affiliation(s)
- Laila Mohamed Fadda
- Pharmacology Department, Faculty of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Hala A Attia
- Pharmacology Department, Faculty of Pharmacy, King Saud University, Riyadh, Saudi Arabia.,Department of Biochemistry, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
| | | | - Hanaa Mahmoud Ali
- Department of Genetics and Cytology, National Research Center, Dokki, Egypt.,Common First Year Deanship, King Saud University, Riyadh, Saudi Arabia
| | - Nawal Mohamed Al-Rasheed
- Pharmacology Department, Faculty of Pharmacy, King Saud University, Riyadh, Saudi Arabia.,Department of Pharmaceutical Sciences, College of Pharmacy, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
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Wu L, Zhang Q, Mo W, Feng J, Li S, Li J, Liu T, Xu S, Wang W, Lu X, Yu Q, Chen K, Xia Y, Lu J, Xu L, Zhou Y, Fan X, Guo C. Quercetin prevents hepatic fibrosis by inhibiting hepatic stellate cell activation and reducing autophagy via the TGF-β1/Smads and PI3K/Akt pathways. Sci Rep 2017; 7:9289. [PMID: 28839277 PMCID: PMC5571156 DOI: 10.1038/s41598-017-09673-5] [Citation(s) in RCA: 147] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2017] [Accepted: 07/25/2017] [Indexed: 01/18/2023] Open
Abstract
The aim of this study was to investigate the effect of quercetin on hepatic fibrosis, a characteristic response to acute or chronic liver injury. Mice were randomized to bile duct ligation (BDL) or carbon tetrachloride (CCl4) cirrhosis models. Quercetin (100 mg/kg or 200 mg/kg daily) was administered by gavage for 2 or 4 weeks. Liver tissue and blood samples were collected for histological and molecular analysis. The results of our experiments showed that quercetin reduced BDL or CCl4 liver fibrosis, inhibited extracellular matrix formation, and regulated matrix metallopeptidase (MMP)-9 and tissue inhibitor of metalloproteinase (TIMP)-1. Quercetin attenuated liver damage by suppressing the TGF-β1/Smads signaling pathway and activating the PI3K/Akt signaling pathway to inhibit autophagy in BDL- or CCl4- induced liver fibrosis. Quercetin prevented hepatic fibrosis by attenuating hepatic stellate cell activation and reducing autophagy through regulating crosstalk between the TGF-β1/Smads and PI3K/Akt pathways.
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Affiliation(s)
- Liwei Wu
- Department of Gastroenterology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
| | - Qinghui Zhang
- Department of Clinical Laboratory, Kunshan First People's Hospital Affiliated to Jiangsu University, 215300, Kunshan, JiangSu, China
| | - Wenhui Mo
- Department of Gastroenterology, Minhang Hospital, Fudan University, Shanghai, 201100, China
| | - Jiao Feng
- Department of Gastroenterology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
| | - Sainan Li
- Department of Gastroenterology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
| | - Jingjing Li
- Department of Gastroenterology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
| | - Tong Liu
- Department of Gastroenterology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
| | - Shizan Xu
- Department of Gastroenterology, Shanghai Tenth Hospital, School of Clinical Medicine of Nanjing Medical University, Shanghai, 200072, China
| | - Wenwen Wang
- Department of Gastroenterology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
| | - Xiya Lu
- Department of Gastroenterology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
| | - Qiang Yu
- Department of Gastroenterology, Shanghai Tenth Hospital, School of Clinical Medicine of Nanjing Medical University, Shanghai, 200072, China
| | - Kan Chen
- Department of Gastroenterology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
| | - Yujing Xia
- Department of Gastroenterology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
| | - Jie Lu
- Department of Gastroenterology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
| | - Ling Xu
- Department of Gastroenterology, Shanghai Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200336, China
| | - Yingqun Zhou
- Department of Gastroenterology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
| | - Xiaoming Fan
- Department of Gastroenterology, Jinshan Hospital of Fudan University, Jinshan, Shanghai, 201508, China.
| | - Chuanyong Guo
- Department of Gastroenterology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China.
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Tzankova V, Aluani D, Kondeva-Burdina M, Yordanov Y, Odzhakov F, Apostolov A, Yoncheva K. Hepatoprotective and antioxidant activity of quercetin loaded chitosan/alginate particles in vitro and in vivo in a model of paracetamol-induced toxicity. Biomed Pharmacother 2017; 92:569-579. [DOI: 10.1016/j.biopha.2017.05.008] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2017] [Revised: 04/25/2017] [Accepted: 05/02/2017] [Indexed: 01/01/2023] Open
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Ashkani-Esfahani S, Bagheri F, Azarpira N, Esmaeilzadeh E, Emami Y, Hassanabadi N, Keshtkar M. Protective effects of quercetin on thioacetamide-induced acute liver damage and its related biochemical and pathological alterations. Egypt J Intern Med 2017. [DOI: 10.4103/1110-7782.200965] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
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He L, Hou X, Fan F, Wu H. Quercetin stimulates mitochondrial apoptosis dependent on activation of endoplasmic reticulum stress in hepatic stellate cells. Pharm Biol 2016; 54:3237-3243. [PMID: 27572285 DOI: 10.1080/13880209.2016.1223143] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2015] [Revised: 06/06/2016] [Accepted: 08/08/2016] [Indexed: 06/06/2023]
Abstract
CONTEXT Activation of hepatic stellate cells (HSCs) is a hallmark of liver fibrosis. Quercetin has benefits for liver fibrosis, but the mechanisms are unknown. OBJECTIVE We investigated the quercetin effect on HSC survival and the role of endoplasmic reticulum stress (ERS). MATERIALS AND METHODS Rat HSCs and LO2 hepatocytes were treated with quercetin (0.5-120 μM) for 24 h. Quercetin (10-40 μM) effects on apoptosis for 24 h were analyzed by flow cytometry and TUNEL staining. Quercetin (10-40 μM) effects on the expression of Bcl-2, caspase-9, caspase-3, PARP-1, PERK, IRE1, ATF6, calnexin and CHOP for 24 h were analyzed by Western blot. Quercetin (10-40 μM) effects on mRNA expression of calnexin and CHOP for 24 h were analyzed by Real-time PCR. RESULTS Quercetin at concentrations greater than 20 μM significantly inhibited HSC proliferation (IC50 27.2 μM), but did not affect hepatocyte growth until 80 μM (IC50 68.5 μM). Quercetin stimulated HSC apoptosis and the apoptotic rate reached 40% at a concentration of 40 μM (EC50 51.6 μM). Quercetin induced downregulation of Bcl-2 and upregulation of Bax, and increased cytochrome C in the cytoplasm in HSCs. The cleaved forms of caspase-9, caspase-3 and PARP-1 were also increased by quercetin. Furthermore, quercetin elevated mRNA and protein expression of calnexin and CHOP in HSCs but not in hepatocytes. Quercetin also increased phosphorylation of PERK and IRE1 and ATF6 cleavage. However, ERS inhibitor salubrinal significantly abrogated quercetin induction of HSC apoptosis. CONCLUSION Quercetin activated ERS pathway in HSCs leading to apoptosis. We characterized an ERS-mediated mechanism for quercetin as a promising antifibrotic agent.
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Affiliation(s)
- Liwei He
- a Department of Pharmacy , Nanjing University of Chinese Medicine Hanlin College , Taizhou , China
| | - Xianbang Hou
- b Department of Pharmacology, School of Pharmacy , Nanjing University of Chinese Medicine , Nanjing , China
| | - Fangtian Fan
- a Department of Pharmacy , Nanjing University of Chinese Medicine Hanlin College , Taizhou , China
| | - Hongyan Wu
- c Department of Pharmacy , Yancheng Health Vocational and Technical College , Yancheng , China
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Ulla A, Rahman MT, Habib ZF, Rahman MM, Subhan N, Sikder B, Reza HM, Hossain MH, Alam MA. Mango
peel powder supplementation prevents oxidative stress, inflammation, and fibrosis in carbon tetrachloride induced hepatic dysfunction in rats. J Food Biochem 2016. [DOI: 10.1111/jfbc.12344] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Anayt Ulla
- Department of Pharmaceutical Sciences; North South University; Dhaka Bangladesh
| | - Md Tariqur Rahman
- Department of Pharmaceutical Sciences; North South University; Dhaka Bangladesh
| | - Zaki Farhad Habib
- Department of Pharmaceutical Sciences; North South University; Dhaka Bangladesh
| | - Md Moshfequr Rahman
- Department of Pharmaceutical Sciences; North South University; Dhaka Bangladesh
| | - Nusrat Subhan
- Department of Pharmaceutical Sciences; North South University; Dhaka Bangladesh
| | - Biswajit Sikder
- Department of Pharmaceutical Sciences; North South University; Dhaka Bangladesh
| | - Hasan Mahmud Reza
- Department of Pharmaceutical Sciences; North South University; Dhaka Bangladesh
| | - Md Hemayet Hossain
- BCSIR Laboratories Bangladesh Council of Scientific and Industrial Research (BCSIR); Dhaka Bangladesh
| | - Md Ashraful Alam
- Department of Pharmaceutical Sciences; North South University; Dhaka Bangladesh
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Hu L, Montzka SA, Miller BR, Andrews AE, Miller JB, Lehman SJ, Sweeney C, Miller SM, Thoning K, Siso C, Atlas EL, Blake DR, de Gouw J, Gilman JB, Dutton G, Elkins JW, Hall B, Chen H, Fischer ML, Mountain ME, Nehrkorn T, Biraud SC, Moore FL, Tans P. Continued emissions of carbon tetrachloride from the United States nearly two decades after its phaseout for dispersive uses. Proc Natl Acad Sci U S A 2016; 113:2880-5. [PMID: 26929368 DOI: 10.1073/pnas.1522284113] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
National-scale emissions of carbon tetrachloride (CCl4) are derived based on inverse modeling of atmospheric observations at multiple sites across the United States from the National Oceanic and Atmospheric Administration's flask air sampling network. We estimate an annual average US emission of 4.0 (2.0-6.5) Gg CCl4 y(-1) during 2008-2012, which is almost two orders of magnitude larger than reported to the US Environmental Protection Agency (EPA) Toxics Release Inventory (TRI) (mean of 0.06 Gg y(-1)) but only 8% (3-22%) of global CCl4 emissions during these years. Emissive regions identified by the observations and consistently shown in all inversion results include the Gulf Coast states, the San Francisco Bay Area in California, and the Denver area in Colorado. Both the observation-derived emissions and the US EPA TRI identified Texas and Louisiana as the largest contributors, accounting for one- to two-thirds of the US national total CCl4 emission during 2008-2012. These results are qualitatively consistent with multiple aircraft and ship surveys conducted in earlier years, which suggested significant enhancements in atmospheric mole fractions measured near Houston and surrounding areas. Furthermore, the emission distribution derived for CCl4 throughout the United States is more consistent with the distribution of industrial activities included in the TRI than with the distribution of other potential CCl4 sources such as uncapped landfills or activities related to population density (e.g., use of chlorine-containing bleach).
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Affiliation(s)
- Hossam S. El-Beltagi
- Biochemistry Department; Faculty of Agriculture, Cairo University; PO Box 12613 Giza Cairo Egypt
| | - Mahgoub M. Ahmed
- Molecular Drug Evaluation Department; National Organization for Drug Control and Research (NODCAR), PO Box 12553; Giza Egypt
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Abstract
Tartary buckwheat (Fagopyrum tataricum) contains a range of nutrients including bioactive carbohydrates and proteins, polyphenols, phytosterols, vitamins, carotenoids, and minerals. The unique composition of Tartary buckwheat contributes to their various health benefits such as anti-oxidative, anti-cancer, anti-hypertension, anti-diabetic, cholesterol-lowering, and cognition-improving. Compared with the more widely cultivated and utilised common buckwheat (F. esculentum), Tartary buckwheat tends to contain higher amounts of certain bioactive components such as rutin, therefore, showing higher efficiency in preventing/treating various disorders. This review summarises the current knowledge of the chemical composition of Tartary buckwheat, and their bio-functions as studied by both in vitro and in vivo models. Tartary buckwheat can be further developed as a sustainable crop for functional food production to improve human health.
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Ma JQ, Li Z, Xie WR, Liu CM, Liu SS. Quercetin protects mouse liver against CCl4-induced inflammation by the TLR2/4 and MAPK/NF-κB pathway. Int Immunopharmacol 2015. [DOI: 10.1016/j.intimp.2015.06.036] [Citation(s) in RCA: 114] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Abstract
Liver diseases are a worldwide medical problem because the liver is the principal detoxifying organ and maintains metabolic homeostasis. The liver metabolizes various compounds that produce free radicals (FR). However, antioxidants scavenge FR and maintain the oxidative/antioxidative balance in the liver. When the liver oxidative/antioxidative balance is disrupted, the state is termed oxidative stress. Oxidative stress leads to deleterious processes in the liver and produces liver diseases. Therefore, restoring antioxidants is essential to maintain homeostasis. One method of restoring antioxidants is to consume natural compounds with antioxidant capacity. The objective of this review is to provide information pertaining to various antioxidants found in food that have demonstrated utility in improving liver diseases.
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Yang H, Sung SH, Kim YC. The ethanolic extract of Juglans sinensis leaves and twigs attenuates CCl4-induced hepatic oxidative stress in rats. Pharmacogn Mag 2015; 11:533-9. [PMID: 26246728 PMCID: PMC4522839 DOI: 10.4103/0973-1296.160463] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2014] [Revised: 10/29/2014] [Accepted: 07/10/2015] [Indexed: 11/30/2022] Open
Abstract
Background: The nuts of Juglans sinensis Dode, walnut tree, are rich in unsaturated fatty acids and bioactive compounds with antioxidant activity on liver damages. However, hepatoprotective activity of the leaves and twigs of J. sinensis have not intensively studied yet. Objective: Hepatoprotective activity of the refined ethanolic extract of J. sinensis (JSE3) was evaluated using carbon tetrachloride (CCl4)-intoxicated rats. Materials and Methods: Hepatotoxicity was induced in Sprague Dawley rats by intraperitoneal injection of CCl4 for 6 weeks in the presence or absence of JSE3 (100 and 200 mg/kg body weight). The hepatoprotective activity of JSE3 was assessed by biochemical parameters including plasma aspartate aminotransferase (AST), alanine aminotransferase (ALT), and antioxidant enzymes, such as superoxide dismutase (SOD), glutathione reductase, glutathione peroxide, reduced glutathione and oxidized glutathione, along with histopathological studies on hepatic tissue. Results: JSE3 significantly decreased the elevated levels of AST and ALT and restored the reduced levels of antioxidant enzymes. JSE3 also decreased the amounts of collagen content accumulated by CCl4 intoxication. Conclusion: These results suggested that the refined extract of J. sinensis may have a potential to be developed as a therapeutic agent to treat hepatic diseases, such as fatty liver and hepatic fibrosis.
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Affiliation(s)
- Heejung Yang
- Laboratory of Natural Products Chemistry, College of Pharmacy, Kangwon National University, Chuncheon 200-701, South Korea
| | - Sang Hyun Sung
- Laboratory of Pharmacognosy, College of Pharmacy and Research Institute of Pharmaceutical Science, Seoul National University, Seoul 151-742, South Korea
| | - Young Choong Kim
- Laboratory of Pharmacognosy, College of Pharmacy and Research Institute of Pharmaceutical Science, Seoul National University, Seoul 151-742, South Korea
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Parikh H, Pandita N, Khanna A. Phytoextract of Indian mustard seeds acts by suppressing the generation of ROS against acetaminophen-induced hepatotoxicity in HepG2 cells. Pharm Biol 2015; 53:975-984. [PMID: 25489640 DOI: 10.3109/13880209.2014.950675] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
CONTEXT Indian mustard [Brassica juncea (L.) Czern. & Coss. (Brassicaceae)] is reported to possess diverse pharmacological properties. However, limited information is available concerning its hepatoprotective activity and mechanism of action. OBJECTIVE To study the protective mechanism of mustard seed extract against acetaminophen (APAP) toxicity in a hepatocellular carcinoma (HepG2) cell line. MATERIALS AND METHODS Hepatotoxicity models were established using APAP (2.5-22.5 mM) based on the cytotoxicity profile. An antioxidant-rich fraction from mustard seeds was extracted and evaluated for its hepatoprotective potential. The mechanism of action was elucidated using various in vitro antioxidant assays, the detection of intracellular generation of reactive oxygen species (ROS), and cell cycle analysis. The phytoconstituents isolated via HPLC-DAD were also evaluated for hepatoprotective activity. RESULTS Hydromethanolic seed extract exhibited hepatoprotective activity in post- and pre-treatment models of 20 mM APAP toxicity and restored the elevated levels of liver indices to normal values (p < 0.05). Post-treatment suppressed the generation of ROS by 58.37% and pre-treatment effectively prevented the generation of ROS by 90.5%. The mechanism of ROS suppression was further supported by antioxidant activity (IC50) data from DPPH (103.37 ± 4.2 µg AAE/mg), FRAP (83.26 ± 1.1 µg AAE/mg), ORAC (1115 µM GAE/ml), ABTS (83.05 µg GAE/ml), and superoxide (345.22 ± 5.15 µg AAE/mg) scavenging assays and by the restoration of cell cycle alterations. HPLC-DAD analysis revealed the presence quercetin, vitamin E, and catechin, which exhibited hepatoprotective activity. DISCUSSION AND CONCLUSIONS A phytoextract of mustard seeds acts by suppressing the generation of ROS in response to APAP toxicity.
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Affiliation(s)
- Harita Parikh
- School of Science, NMIMS University , Vile Parle (West), Mumbai, Maharashtra , India
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Wan Y, Tang MH, Chen XC, Chen LJ, Wei YQ, Wang YS. Inhibitory effect of liposomal quercetin on acute hepatitis and hepatic fibrosis induced by concanavalin A. ACTA ACUST UNITED AC 2015; 47:655-61. [PMID: 25098714 PMCID: PMC4165292 DOI: 10.1590/1414-431x20143704] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2013] [Accepted: 03/17/2014] [Indexed: 02/06/2023]
Abstract
Immune response plays an important role in the development of hepatic fibrosis. In
the present study, we investigated the effects of quercetin on hepatitis and hepatic
fibrosis induced by immunological mechanism. In the acute hepatitis model, quercetin
(2.5 mg/kg) was injected iv into mice 30 min after concanavalin A
(Con A) challenge. Mice were sacrificed 4 or 24 h after Con A injection, and
aminotransferase tests and histopathological sections were performed. Treatment with
quercetin significantly decreased the levels of alanine aminotransferase (ALT) and
aspartate aminotransferase (AST). Consistent with this observation, treatment with
quercetin markedly attenuated the pathologic changes in the liver. A hepatic fibrosis
model was also generated in mice by Con A challenge once a week for 6 consecutive
weeks. Mice in the experimental group were treated with daily iv
injections of quercetin (0.5 mg/kg). Histopathological analyses revealed that
treatment with quercetin markedly decreased collagen deposition, pseudolobuli
development, and hepatic stellate cells activation. We also examined the effects of
quercetin on the nuclear factor kappa-light-chain-enhancer of activated B cells
(NF-κB) and transforming growth factor beta (TGF-β) pathways by immunohistochemistry
and real-time reverse transcriptase-polymerase chain reaction (RT-PCR). NF-κB and
TGF-β production was decreased after treatment with quercetin, indicating that the
antifibrotic effect of quercetin is associated with its ability to modulate NF-κB and
TGF-β production. These results suggest that quercetin may be an effective
therapeutic strategy in the treatment of patients with liver damage and fibrosis.
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Affiliation(s)
- Y Wan
- State Key Laboratory of Biotherapy, West China Hospital, West China Medical School, Sichuan University, Chengdu, China
| | - M H Tang
- State Key Laboratory of Biotherapy, West China Hospital, West China Medical School, Sichuan University, Chengdu, China
| | - X C Chen
- State Key Laboratory of Biotherapy, West China Hospital, West China Medical School, Sichuan University, Chengdu, China
| | - L J Chen
- State Key Laboratory of Biotherapy, West China Hospital, West China Medical School, Sichuan University, Chengdu, China
| | - Y Q Wei
- State Key Laboratory of Biotherapy, West China Hospital, West China Medical School, Sichuan University, Chengdu, China
| | - Y S Wang
- State Key Laboratory of Biotherapy, West China Hospital, West China Medical School, Sichuan University, Chengdu, China
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Abdel-Wahhab MA, Aljawish A, El-Nekeety AA, Abdel-Aiezm SH, Abdel-Kader HAM, Rihn BH, Joubert O. Chitosan nanoparticles and quercetin modulate gene expression and prevent the genotoxicity of aflatoxin B 1 in rat liver. Toxicol Rep 2015; 2:737-747. [PMID: 28962409 PMCID: PMC5598511 DOI: 10.1016/j.toxrep.2015.05.007] [Citation(s) in RCA: 67] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2015] [Revised: 05/01/2015] [Accepted: 05/04/2015] [Indexed: 11/30/2022] Open
Abstract
The aims of the current study were to prepare chitosan nanoparticles (CNPs) and to evaluate its protective role alone or in combination with quercetin (Q) against AFB1-induce cytotoxicity in rats. Male Sprague-Dawley rats were divided into 12 groups and treated orally for 4 weeks as follow: the control group, the group treated with AFB1 (80 μg/kg b.w.) in corn oil, the groups treated with low (140 mg/kg b.w.) or high (280 mg/kg b.w.) dose of CNPs, the group treated with Q (50 mg/kg b.w.), the groups treated with Q plus the low or the high dose of CNPs and the groups treated with AFB1 plus Q and/or CNPs at the two tested doses. The results also revealed that administration of AFB1 resulted in a significant increase in serum cytokines, Procollagen III, Nitric Oxide, lipid peroxidation and DNA fragmentation accompanied with a significant decrease in GPx I and Cu–Zn SOD-mRNA gene expression. Q and/or CNPs at the two tested doses overcome these effects especially in the group treated with the high dose of CNPs plus Q. It could be concluded that CNPs is a promise candidate as drug delivery enhances the protective effect of Q against the cytogenetic effects of AFB1 in high endemic areas.
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Affiliation(s)
- Mosaad A Abdel-Wahhab
- Food Toxicology & Contaminants Department, National Research Center, Dokki, Cairo, Egypt
| | - Abdulhadi Aljawish
- Université de Lorraine, Laboratoire d'Ingénierie des Biomolécules (LIBio), 2 avenue de la Forêt de Haye, TSA40602-F-54518 Vandœuvre-lès-Nancy, France
| | - Aziza A El-Nekeety
- Food Toxicology & Contaminants Department, National Research Center, Dokki, Cairo, Egypt
| | | | | | - Bertrand H Rihn
- Faculty of Pharmacy, EA 3452 CITHEFOR, Lorraine University, 54001 Nancy Cedex, France
| | - Olivier Joubert
- Faculty of Pharmacy, EA 3452 CITHEFOR, Lorraine University, 54001 Nancy Cedex, France
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Yang Y, Zhao Z, Liu Y, Kang X, Zhang H, Meng M. Suppression of oxidative stress and improvement of liver functions in mice by ursolic acid via LKB1-AMP-activated protein kinase signaling. J Gastroenterol Hepatol 2015; 30:609-18. [PMID: 25168399 DOI: 10.1111/jgh.12723] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/06/2014] [Indexed: 12/13/2022]
Abstract
BACKGROUND AND AIM Hepatic cirrhosis is the final stage of liver dysfunction, characterized by diffuse fibrosis, which is the main response to the liver injury. This study is to investigate the effects of ursolic acid (UA) on liver functions and fibrosis in bile duct ligation (BDL) mice and to determine the underlying mechanisms. METHODS Cultured hepatocytes were treated with lipopolysaccharide (LPS) in the presence or absence of UA. The reactive oxygen species (ROS) level, protein levels of IκBα, iNOS and Cox-2, and NF-κB activation were detected, respectively. C57/BL6 and AMP-activated protein kinase (AMPK)α2(-/-) mice were subjected to BDL for 14 days. UA was administered by gavage. The markers of liver function and oxidative stress, and liver histopathology were analyzed after treatment. RESULTS Treatment of hepatocytes with UA dose-dependently activates AMPK, which is abolished by silence of liver kinase B1 (LKB1). LPS significantly increased ROS productions, apoptosis, NF-κB activation, and expressions of iNOS and Cox-2 in cultured hepatocytes. All these effects were blocked by co-incubation with UA. Importantly, silence of LKB1, AMPK, or iNOS/Cox-2 by small interference RNA transfection reversed UA-induced effects in cultured cells. In an animal study, 14-day BDL induced liver fibrosis and liver injury, accompanied with increased oxidative stress and protein expressions of iNOS and Cox-2 in liver. Treatment of UA significantly attenuated the BDL-induced detrimental effects in wild-type mice but not in AMPKα2(-/-) mice. CONCLUSION UA via LKB1-AMPK signaling offers protective effects on BDL-induced liver injury in mice, which may be related to inhibition of oxidative stress.
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Affiliation(s)
- Yongbin Yang
- College of Life Sciences, Hebei University, Baoding, China; Health Science Center, Hebei University, Baoding, China
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El-Denshary ES, Aljawish A, El-Nekeety AA, Hassan NS, Saleh RH, Rihn BH, Abdel-Wahhab MA. Possible Synergistic Effect and Antioxidant Properties of Chitosan Nanoparticles and Quercetin against Carbon Tetrachloride-Induce Hepatotoxicity in Rats. ACTA ACUST UNITED AC 2015. [DOI: 10.4236/snl.2015.52005] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Gunay Y, Altaner S, Ekmen N. The Role of e-NOS in Chronic Cholestasis-Induced Liver and Renal Injury in Rats: The Effect of N-Acetyl Cysteine. Gastroenterol Res Pract 2014; 2014:564949. [PMID: 25431587 DOI: 10.1155/2014/564949] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2014] [Revised: 10/20/2014] [Accepted: 10/21/2014] [Indexed: 01/20/2023] Open
Abstract
Introduction. The role of chronic cholestasis (CC) in liver injury and fibrosis remains unclear. The aims of this study were to define the role of endothelial nitric oxide synthase (e-NOS) in CC and the protective effect of N-acetyl-L-cysteine (NAC) in liver and kidney injury. Materials and Methods. Group A (sham group); Group B (CBDL); and Group C (CBDL + NAC). Group C received daily dosage of NAC (100 mg/kg) intraperitoneally for up to 4 weeks. Results. The rate of bridging fibrosis was higher (100% versus 20%, P = .025), but the intensity of e-NOS in liver was lower in rats that received NAC (1.3 versus 2.7, P = .046). The necrotic area in the kidneys among rats that received NAC was lower at week 4 (48% versus 57%; P < .001). The numbers of e-NOS stained cells in kidney were similar in sham group and the two groups with CBDL. Discussion. NAC reduced the stimulus for liver fibrosis in this rat model of CC and attenuated liver and kidney injury. Our study showed that e-NOS expression increased in liver tissue of rats with CC and that this was reversed by NAC. Treatment with NAC might restore e-NOS protein expression and prevent liver injury in CC.
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Colina-coca C, Rodríguez-alcalá LM, Fontecha J, González-peña D, de Ancos B, Sánchez-moreno C. Effects of hypercholesterolemic diet enriched with onion as functional ingredient on fatty acid metabolism in Wistar rats. Food Res Int 2014; 64:546-52. [DOI: 10.1016/j.foodres.2014.07.047] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2014] [Revised: 07/21/2014] [Accepted: 07/24/2014] [Indexed: 11/18/2022]
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Moreira PR, Maioli MA, Medeiros HCD, Guelfi M, Pereira FTV, Mingatto FE. Protective effect of bixin on carbon tetrachloride-induced hepatotoxicity in rats. Biol Res 2014; 47:49. [PMID: 25299839 PMCID: PMC4192761 DOI: 10.1186/0717-6287-47-49] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2014] [Accepted: 08/08/2014] [Indexed: 11/10/2022] Open
Abstract
Background The liver is an important organ for its ability to transform xenobiotics, making the liver tissue a prime target for toxic substances. The carotenoid bixin present in annatto is an antioxidant that can protect cells and tissues against the deleterious effects of free radicals. In this study, we evaluated the protective effect of bixin on liver damage induced by carbon tetrachloride (CCl4) in rats. Results The animals were divided into four groups with six rats in each group. CCl4 (0.125 mL kg-1 body wt.) was injected intraperitoneally, and bixin (5.0 mg kg-1 body wt.) was given by gavage 7 days before the CCl4 injection. Bixin prevented the liver damage caused by CCl4, as noted by the significant decrease in serum aminotransferases release. Bixin protected the liver against the oxidizing effects of CCl4 by preventing a decrease in glutathione reductase activity and the levels of reduced glutathione and NADPH. The peroxidation of membrane lipids and histopathological damage of the liver was significantly prevented by bixin treatment. Conclusion Therefore, we can conclude that the protective effect of bixin against hepatotoxicity induced by CCl4 is related to the antioxidant activity of the compound.
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Affiliation(s)
- Priscila R Moreira
- Laboratório de Bioquímica Metabólica e Toxicológica (LaBMeT), UNESP - Univ Estadual Paulista, Campus de Dracena, Dracena, SP, 17900-000, Brazil.
| | - Marcos A Maioli
- Laboratório de Bioquímica Metabólica e Toxicológica (LaBMeT), UNESP - Univ Estadual Paulista, Campus de Dracena, Dracena, SP, 17900-000, Brazil.
| | - Hyllana C D Medeiros
- Laboratório de Bioquímica Metabólica e Toxicológica (LaBMeT), UNESP - Univ Estadual Paulista, Campus de Dracena, Dracena, SP, 17900-000, Brazil.
| | - Marieli Guelfi
- Laboratório de Bioquímica Metabólica e Toxicológica (LaBMeT), UNESP - Univ Estadual Paulista, Campus de Dracena, Dracena, SP, 17900-000, Brazil.
| | - Flávia T V Pereira
- Laboratório de Morfologia da Placenta e Embrião (L@MPE), UNESP - Univ Estadual Paulista, Campus de Dracena, Dracena, SP, 17900-000, Brazil.
| | - Fábio E Mingatto
- Laboratório de Bioquímica Metabólica e Toxicológica (LaBMeT), UNESP - Univ Estadual Paulista, Campus de Dracena, Dracena, SP, 17900-000, Brazil.
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Islam MS, Akhtar MM, Ciavattini A, Giannubilo SR, Protic O, Janjusevic M, Procopio AD, Segars JH, Castellucci M, Ciarmela P. Use of dietary phytochemicals to target inflammation, fibrosis, proliferation, and angiogenesis in uterine tissues: promising options for prevention and treatment of uterine fibroids? Mol Nutr Food Res 2014; 58:1667-84. [PMID: 24976593 DOI: 10.1002/mnfr.201400134] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2014] [Revised: 04/18/2014] [Accepted: 04/22/2014] [Indexed: 12/31/2022]
Abstract
Uterine leiomyomas (fibroids, myomas) are the most common benign tumors of female reproductive tract. They are highly prevalent, with 70-80% of women burdened by the end of their reproductive years. Fibroids are a leading cause of pelvic pain, abnormal vaginal bleeding, pressure on the bladder, miscarriage, and infertility. They are the leading indication for hysterectomy, and costs exceed 6 billion dollars annually in the United States. Unfortunately, no long-term medical treatments are available. Dysregulation of inflammatory processes are thought to be involved in the initiation of leiomyoma and extracellular matrix deposition, cell proliferation, and angiogenesis are the key cellular events implicated in leiomyoma growth. In modern pharmaceutical industries, dietary phytochemicals are used as source of new potential drugs for many kinds of tumors. Dietary phytochemicals may exert therapeutic effects by interfering with key cellular events of the tumorigenesis process. At present, a negligible number of phytochemicals have been tested as therapeutic agents against fibroids. In this context, our aim was to introduce some of the potential dietary phytochemicals that have shown anti-inflammatory, antiproliferative, antifibrotic, and antiangiogenic activities in different biological systems. This review could be useful to stimulate the evaluation of these phytochemicals as possible therapies for uterine fibroids.
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Affiliation(s)
- Md Soriful Islam
- Department of Experimental and Clinical Medicine, Faculty of Medicine, Polytechnic University of Marche, Ancona, Italy; Biotechnology and Microbiology Laboratory, Department of Botany, University of Rajshahi, Rajshahi, Bangladesh
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Abstract
BACKGROUND The conflicting roles of quercetin against tissue pathologies associated with oxidative stress are known. OBJECTIVE To evaluate the effect of quercetin at doses of 5 mg/kg (Q5) or 10 mg/kg (Q10) against atrazine (120 mg/kg, ATZ)-induced oxidative stress in various tissues of rats. MATERIALS AND METHODS Adult male albino Wistar rats were administered ATZ, Q5, and Q10 alone or in combination for 16 days. At the end of the 16th day, the animals were sacrificed by cervical dislocation; and the blood, heart, brain, kidney and liver were collected and used for biochemical determinations and histopathological examination. RESULTS Q10 but not Q5 attenuated ATZ-induced increase in the levels of serum enzyme markers sorbitol dehydrogenase (SDH), acid phosphatase (ACP), alkaline phosphatase (ALP), and aspartate aminotransferase (AST). The heart was less susceptible to ATZ-induced oxidative stress than the liver, kidney, and brain of treated animals, and there were tendencies for synergistic effects in the heart and liver of Q5 + ATZ-treated rats. Oxidative stress-induced by ATZ in terms of increased lipid peroxidation level and superoxide dismutase (SOD) activity was decreased in the brain of the Q5 + ATZ-treated rats but not that of the Q10 + ATZ-treated rats. Conversely, histopathological changes and oxidative stress-induced by ATZ in terms of elevated lipid peroxidation level, decreased SOD, and catalase (CAT) activities were prevented in the kidney and liver of the Q10 + ATZ-treated rats but not that of the Q5 + ATZ-treated rats. CONCLUSION Quercetin at the investigated doses and especially the low dose may not protect against ATZ-induced oxidative stress in rat tissues in an overall sense.
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Affiliation(s)
- Sunny O. Abarikwu
- Department of Chemical Sciences, College of Natural Sciences, Redeemer's University, Redemption City, Ogun, Nigeria
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Ferrari RS, Tieppo M, Rosa DPD, Forgiarini LA, Dias AS, Marroni NP. Lung and liver changes due to the induction of cirrhosis in two experimental models. Arq Gastroenterol 2014; 50:208-13. [PMID: 24322193 DOI: 10.1590/s0004-28032013000200037] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2012] [Accepted: 05/07/2013] [Indexed: 12/11/2022]
Abstract
CONTEXT To evaluate lung and liver changes in two experimental models using intraperitoneal carbon tetrachloride (CCl4) and bile duct ligation (BDL). methods: Twenty-four male Wistar rats were divided into a control group (CO) and an experimental group (EX). We evaluated the liver transaminases (AST, ALT, AP), arterial blood gases (PaO2, PCO2 and SpO2) and lipid peroxidation by TBARS (substances that react to thiobarbituric acid) and chemiluminescence. We also evaluated the antioxidant enzyme superoxide dismutase (SOD) and histology of lung tissue and liver. RESULTS There were significant differences in AST, ALT, ALP and PaO2 between CO group and EX group (P<0.05). The levels of TBARS, chemiluminescence and activity of enzyme superoxide dismutase were increased to different degrees in the CCl4 groups: CO and in the BDL -EX (P<0.05, respectively). In the lung histology, an increase in the wall thickness of the pulmonary artery and a diameter reduction in the CCl4 animal model were observed: comparing CO group with EX group, we observed a reduction in thickness and an increase in the diameter of the artery wall lung. CONCLUSION Both experimental models have caused liver damage and alterations in the artery wall that are associated with major changes in pulmonary gas exchange.
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Rahal A, Kumar A, Singh V, Yadav B, Tiwari R, Chakraborty S, Dhama K. Oxidative stress, prooxidants, and antioxidants: the interplay. Biomed Res Int. 2014;2014:761264. [PMID: 24587990 PMCID: PMC3920909 DOI: 10.1155/2014/761264] [Citation(s) in RCA: 877] [Impact Index Per Article: 87.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/19/2013] [Revised: 11/03/2013] [Accepted: 11/06/2013] [Indexed: 12/16/2022]
Abstract
Oxidative stress is a normal phenomenon in the body. Under normal conditions, the physiologically important intracellular levels of reactive oxygen species (ROS) are maintained at low levels by various enzyme systems participating in the in vivo redox homeostasis. Therefore, oxidative stress can also be viewed as an imbalance between the prooxidants and antioxidants in the body. For the last two decades, oxidative stress has been one of the most burning topics among the biological researchers all over the world. Several reasons can be assigned to justify its importance: knowledge about reactive oxygen and nitrogen species production and metabolism; identification of biomarkers for oxidative damage; evidence relating manifestation of chronic and some acute health problems to oxidative stress; identification of various dietary antioxidants present in plant foods as bioactive molecules; and so on. This review discusses the importance of oxidative stress in the body growth and development as well as proteomic and genomic evidences of its relationship with disease development, incidence of malignancies and autoimmune disorders, increased susceptibility to bacterial, viral, and parasitic diseases, and an interplay with prooxidants and antioxidants for maintaining a sound health, which would be helpful in enhancing the knowledge of any biochemist, pathophysiologist, or medical personnel regarding this important issue.
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Dong YS, Wang JL, Feng DY, Qin HZ, Wen H, Yin ZM, Gao GD, Li C. Protective effect of quercetin against oxidative stress and brain edema in an experimental rat model of subarachnoid hemorrhage. Int J Med Sci 2014; 11:282-90. [PMID: 24516353 PMCID: PMC3917118 DOI: 10.7150/ijms.7634] [Citation(s) in RCA: 74] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2013] [Accepted: 01/06/2014] [Indexed: 12/22/2022] Open
Abstract
Quercetin has been demonstrated to play an important role in altering the progression of ischemic brain injuries and neurodegenerative diseases by protecting against oxidative stress. The effects of quercetin on brain damage after subarachnoid hemorrhage (SAH), however, have not been investigated. This study was designed to explore the effects of quercetin on oxidative stress and brain edema after experimental SAH using four equal groups (n = 16) of adult male Sprague-Dawley (SD) rats, including a sham group, an SAH + vehicle group, an SAH + quercetin10 group, and an SAH + quercetin50 group. The rat SAH model was induced by injection of 0.3 ml of non-heparinised arterial blood into the prechiasmatic cistern. In the SAH + quercetin10 and SAH + quercetin50 groups, doses of 10 mg/kg and 50 mg/kg quercetin, respectively, were directly administered by intraperitoneal injection at 30 min, 12 h, and 24 h after SAH induction. Cerebral tissue samples were extracted for enzymatic antioxidant determination, lipid peroxidation assay, caspase-3 activity and water content testing 48 h after SAH. Treatment with a high dose (50 mg/kg) of quercetin markedly enhanced the activities of copper/zinc superoxide dismutase (CuZn-SOD) and glutathione peroxidase (GSH-Px), and treatment with this dose significantly reduced the level of malondialdehyde (MDA). Caspase-3 and brain edema was ameliorated and neurobehavioral deficits improved in rats that received the high dose of quercetin. The findings suggest that the early administration of optimal dose of quercetin may ameliorate brain damage and provide neuroprotection in the SAH model, potentially by enhancing the activity of endogenous antioxidant enzymes and inhibiting free radical generation.
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Affiliation(s)
- Yu-shu Dong
- 1. Department of Neurosurgery, Tangdu Hospital, Fourth Military Medical University, Xi'an 710032, PR China. ; 2. Department of Neurosurgery, 463rd Hospital of PLA, Shenyang 110042, PR China
| | - Ju-lei Wang
- 1. Department of Neurosurgery, Tangdu Hospital, Fourth Military Medical University, Xi'an 710032, PR China. ; 3. Department of Neurosurgery, Wuhan General Hospital of Guangzhou Military Command, Wuhan 430070, PR China
| | - Da-yun Feng
- 1. Department of Neurosurgery, Tangdu Hospital, Fourth Military Medical University, Xi'an 710032, PR China
| | - Huai-zhou Qin
- 1. Department of Neurosurgery, Tangdu Hospital, Fourth Military Medical University, Xi'an 710032, PR China
| | - Hua Wen
- 2. Department of Neurosurgery, 463rd Hospital of PLA, Shenyang 110042, PR China
| | - Zhong-min Yin
- 2. Department of Neurosurgery, 463rd Hospital of PLA, Shenyang 110042, PR China
| | - Guo-dong Gao
- 1. Department of Neurosurgery, Tangdu Hospital, Fourth Military Medical University, Xi'an 710032, PR China
| | - Chuan Li
- 4. Department of Medical Administration, General Hospital of Shenyang Military Command, Shenyang 110016, PR China
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Sönmez M, Türk G, Çeribaşı S, Çiftçi M, Yüce A, Güvenç M, Özer Kaya Ş, Çay M, Aksakal M. Quercetin attenuates carbon tetrachloride-induced testicular damage in rats. Andrologia 2013; 46:848-58. [DOI: 10.1111/and.12159] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/19/2013] [Indexed: 01/02/2023] Open
Affiliation(s)
- M. Sönmez
- Department of Reproduction and Artificial Insemination; Faculty of Veterinary Medicine; Firat University; Elazığ Turkey
| | - G. Türk
- Department of Reproduction and Artificial Insemination; Faculty of Veterinary Medicine; Firat University; Elazığ Turkey
| | - S. Çeribaşı
- Department of Pathology; Faculty of Veterinary Medicine; Firat University; Elazığ Turkey
| | - M. Çiftçi
- Department of Animal Nutrition and Nutritional Diseases; Faculty of Veterinary Medicine; Firat University; Elazığ Turkey
| | - A. Yüce
- Department of Physiology; Faculty of Veterinary Medicine; Firat University; Elazığ Turkey
| | - M. Güvenç
- Department of Physiology; Faculty of Veterinary Medicine; Firat University; Elazığ Turkey
| | - Ş. Özer Kaya
- Department of Reproduction and Artificial Insemination; Faculty of Veterinary Medicine; Firat University; Elazığ Turkey
| | - M. Çay
- Department of Physiology; Faculty of Veterinary Medicine; Firat University; Elazığ Turkey
| | - M. Aksakal
- Department of Physiology; Faculty of Veterinary Medicine; Firat University; Elazığ Turkey
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Liu H, Xue JX, Li X, Ao R, Lu Y. Quercetin liposomes protect against radiation-induced pulmonary injury in a murine model. Oncol Lett 2013; 6:453-459. [PMID: 24137346 PMCID: PMC3789113 DOI: 10.3892/ol.2013.1365] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2013] [Accepted: 05/17/2013] [Indexed: 02/05/2023] Open
Abstract
In the present study, the hypothesis that quercetin liposomes are able to effectively protect against radiation-induced pulmonary injury in a murine model was tested. C57BL/6J mice receiving whole-thorax radiotherapy (16 Gy) were randomly divided into three groups: control, radiation therapy plus saline (RT+NS) and RT plus quercetin (RT+QU). At 1, 4, 8 and 24 weeks post-irradiation, lung injury was assessed by measuring oxidative damage and the extent of acute pneumonitis and late fibrosis. In the lung tissues from the RT+NS group, the malondialdehyde (MDA) levels were significantly elevated and superoxide dismutase (SOD) and glutathione peroxidase (GSH-PX) activities were significantly reduced; the total cell counts and inflammatory cell proportions in the bronchoalveolar lavage fluid (BALF), plasma tumor necrosis factor (TNF)-α and transforming growth factor (TGF)-β1 concentrations and the hydroxyproline (HP) content were significantly increased. Quercetin liposome administration significantly reduced the MDA content and increased SOD and GSH-PX activities in the lung tissues, and reduced the total cell counts and inflammatory cell proportions in the BALF, plasma TNF-α and TGF-β1 concentrations and the HP content in the lung tissues. A histological examination revealed suppression of the inflammatory response and reduced TGF-β1 expression and fibrosis scores. Radiation-induced oxidative damage ranged from pneumonitis to lung fibrosis. Quercetin liposomes were shown to protect against radiation-induced acute pneumonitis and late fibrosis, potentially by reducing oxidative damage.
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Affiliation(s)
- Hao Liu
- Department of Thoracic Oncology, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, West China Medical School, Sichuan University, Chengdu 610041, P.R. China ; ; Department of Oncology, Sichuan Academy of Medical Sciences, Sichuan Provincial People's Hospital, Chengdu, Sichuan 610041, P.R. China
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Abd El-haleem MR, Soliman HM, Abd El Motteleb DM. Effect of experimentally induced portal hypertension on the fundic mucosa of adult male albino rats and the possible protective role of quercetin supplementation: histological, immunohistochemical, and biochemical study. ACTA ACUST UNITED AC 2013; 36:60-77. [DOI: 10.1097/01.ehx.0000425561.09044.f9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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