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Qaed E, Almaamari A, Almoiliqy M, Alyafeai E, Sultan M, Aldahmash W, Mahyoub MA, Tang Z. Phosphocreatine attenuates doxorubicin-induced nephrotoxicity through inhibition of apoptosis, and restore mitochondrial function via activation of Nrf2 and PGC-1α pathways. Chem Biol Interact 2024; 400:111147. [PMID: 39043266 DOI: 10.1016/j.cbi.2024.111147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2024] [Revised: 07/10/2024] [Accepted: 07/12/2024] [Indexed: 07/25/2024]
Abstract
Doxorubicin (DOX), a chemotherapy drug widely recognized for its efficacy in cancer treatment, unfortunately, has significant nephrotoxic effects leading to kidney damage. This study explores the nephroprotective potential of Phosphocreatine (PCr) in rats, specifically examining its influence on Nrf2 (Nuclear factor erythroid 2-related factor 2) and PGC-1α (Peroxisome proliferator-activated receptor gamma coactivator 1-alpha) pathways, its role in apoptosis inhibition, and effectiveness in preserving mitochondrial function. The research employed in vivo experiments in rats, focusing on PCr's capacity to protect renal function against doxorubicin-induced damage. The study entailed evaluating Nrf2 and PGC-1α pathway activation, apoptosis rates, and mitochondrial health in renal tissues. A significant aspect of this research was the use of high-resolution respirometry (HRR) to assess the function of isolated kidney mitochondria, providing in-depth insights into mitochondrial bioenergetics and respiratory efficiency under the influence of PCr and doxorubicin. Results demonstrated that PCr treatment significantly enhanced the activation of Nrf2 and PGC-1α pathways, reduced apoptosis, and preserved mitochondrial structure in doxorubicin-affected kidneys. Observations included upregulated expression of Nrf2 and PGC-1α target genes, stabilization of mitochondrial membranes, and a notable improvement in cellular antioxidant defense, evidenced by the activities of enzymes like superoxide dismutase (SOD), glutathione (GSH), malondialdehyde (MDA) This study positions phosphocreatine as a promising agent in mitigating doxorubicin-induced kidney damage in rats. The findings, particularly the insights from HRR on isolated kidney mitochondria, highlight PCr's potential in enhancing mitochondrial function and reducing nephrotoxic side effects of chemotherapy. These encouraging results pave the way for further research into PCr's applications in cancer treatment, aiming to improve patient outcomes by managing chemotherapy-related renal injuries.
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Affiliation(s)
- Eskandar Qaed
- Collage of Pharmacology, Dalian Medical University, 9 West Section, South Road of Lushun, 116044, Dalian, China; State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, China
| | - Ahmed Almaamari
- The Key Laboratory of Neural and Vascular Biology, The Key Laboratory of New Drug Pharmacology and Toxicology, Department of Pharmacology, Ministry of Education, Hebei Medical University, Shijiazhuang, China
| | - Marwan Almoiliqy
- Collage of Pharmacology, Dalian Medical University, 9 West Section, South Road of Lushun, 116044, Dalian, China
| | - Eman Alyafeai
- School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou, China
| | - Marwa Sultan
- The Key Laboratory of Neural and Vascular Biology, The Key Laboratory of New Drug Pharmacology and Toxicology, Department of Pharmacology, Ministry of Education, Hebei Medical University, Shijiazhuang, China
| | - Waleed Aldahmash
- Zoology Department, College of Science, King Saud University, P. O. Box 2455, 11451, Riyadh, Saudi Arabia
| | - Mueataz A Mahyoub
- Department of Gastroenterology, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Zeyao Tang
- Collage of Pharmacology, Dalian Medical University, 9 West Section, South Road of Lushun, 116044, Dalian, China.
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Tripathi S, Parmar D, Raval S, Mishra R, Singh G. Attenuation of chromium (VI) and arsenic (III)-induced oxidative stress and hepatic apoptosis by phloretin, biochanin-A, and coenzyme Q10 via activation of SIRT1/Nrf2/HO-1/NQO1 signaling. J Biochem Mol Toxicol 2024; 38:e23817. [PMID: 39177155 DOI: 10.1002/jbt.23817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Revised: 06/21/2024] [Accepted: 08/13/2024] [Indexed: 08/24/2024]
Abstract
Heavy metal contamination is an alarming concern on a global scale, as drinking tainted water significantly increases human susceptibility to heavy metals. In a realistic scenario, humans are often exposed to a combination of harmful chemicals rather than a single toxicant. Phloretin (PHL), biochanin-A (BCA), and coenzyme Q10 (CoQ10) are bioactive compounds owning plentiful pharmacological properties. Henceforth, the current research explored the putative energizing effects of selected nutraceuticals in combined chromium (Cr) and arsenic (As) intoxicated Swiss albino mice. Potassium dichromate (75 ppm) and sodium meta-arsenite (100 ppm) were given in the drinking water to induce hepatotoxicity, conjugated with PHL and BCA (50 mg/kg each), and CoQ10 (10 mg/kg) intraperitoneally for 2 weeks. After the statistical evaluation, it was observed that the hepato-somatic index, metal load, and antioxidant activity (lipid peroxidation and protein carbonyl content) increased along with the concomitant decrease in the antioxidants (catalase, glutathione-S-transferase, superoxide dismutase, reduced glutathione, and total thiol) in the Cr and As intoxicated mice. Additionally, light microscopy observations, DNA breakages, decreased silent information regulator 1 (SIRT1), nuclear factor (erythroid-derived 2)-like 2 (Nrf2), heme oxygenase (HO-1), and NAD(P)H quinone dehydrogenase 1 (NQO1) gene expressions, together with stimulated apoptotic cell death manifested by the increased expressions of caspase 8 and caspase 3, thus, proved consistency with the aforementioned outcomes. Importantly, the treatment with nutraceuticals not only restored the antioxidant activity but also favorably altered the expressions of SIRT1, Nrf2, HO-1, and NQO1 signaling and apoptosis markers. These findings highlight the crucial role of the PHL, BCA, and CoQ10 combination in reducing Cr and As-induced hepatotoxicity in mice. By averting the triggered apoptosis in conjunction with oxidative stress, this combination increases the SIRT1, Nrf2, HO-1, and NQO1 signaling, thereby reassuringly maintaining the cellular equilibrium.
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Affiliation(s)
- Swapnil Tripathi
- Toxicology Department, ICMR-National Institute of Occupational Health, Ahmedabad, Gujarat, India
- Department of Biochemistry & Forensic Science, Gujarat University, Ahmedabad, Gujarat, India
| | - Dharati Parmar
- Toxicology Department, ICMR-National Institute of Occupational Health, Ahmedabad, Gujarat, India
| | - Samir Raval
- College of Veterinary Science and Animal Husbandry, Kamdhenu University, Sardarkrushinagar, Gujarat, India
| | - Rajeev Mishra
- Department of Life Sciences & Biotechnology, Chhatrapati Shahu Ji Maharaj University, Kanpur, Uttar Pradesh, India
| | - Gyanendra Singh
- Toxicology Department, ICMR-National Institute of Occupational Health, Ahmedabad, Gujarat, India
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Huang M, Zhang H, Wang H, Niu J, Luo B, Wu G, Li X, Yan J. Effects of Cadmium and Lead Co-exposure on Sleep Status in Rural Areas Northwestern China. Biol Trace Elem Res 2024:10.1007/s12011-024-04243-z. [PMID: 38801624 DOI: 10.1007/s12011-024-04243-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Accepted: 05/16/2024] [Indexed: 05/29/2024]
Abstract
In this study, we explored how cadmium and lead co-exposure affects sleep status among residents of a polluted area and nature reserve in rural northwestern China. Cadmium and lead levels were measured using blood samples, and sleep status was evaluated using sleep questionnaires, with the main sleep indicators including sleep duration, sleep quality, bedtime, and staying up. Furthermore, cadmium-lead co-exposure levels were divided into three groups: high exposure, medium exposure, and low exposure. Subjects in the contaminated area had significantly higher exposure levels (p < 0.001) and more negative sleep indicators (p < 0.01). Significant differences were found for all four sleep indicators in the high exposure group compared to the low exposure group (p < 0.01). Moreover, the overall evaluation of sleep status with high cadmium-lead co-exposure had a negative impact. Our data suggest that cadmium-lead co-exposure has a negative effect on sleep status and may have a synergistic effect on sleep.
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Affiliation(s)
- Min Huang
- The First School of Clinical Medical, Lanzhou University, Lanzhou, 730000, Gansu, People's Republic of China
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, 430061, People's Republic of China
| | - Honglong Zhang
- The First School of Clinical Medical, Lanzhou University, Lanzhou, 730000, Gansu, People's Republic of China
| | - Haiping Wang
- The First School of Clinical Medical, Lanzhou University, Lanzhou, 730000, Gansu, People's Republic of China
- Key Laboratory of Biotherapy and Regenerative Medicine of Gansu Province, Lanzhou, 730000, Gansu, People's Republic of China
| | - Jingping Niu
- Institute of Occupational and Environmental Health, School of Public Health, Lanzhou University, Lanzhou, 730000, Gansu, People's Republic of China
| | - Bin Luo
- Institute of Occupational and Environmental Health, School of Public Health, Lanzhou University, Lanzhou, 730000, Gansu, People's Republic of China
| | - Gang Wu
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, 430061, People's Republic of China
| | - Xun Li
- The First School of Clinical Medical, Lanzhou University, Lanzhou, 730000, Gansu, People's Republic of China
- Key Laboratory of Biotherapy and Regenerative Medicine of Gansu Province, Lanzhou, 730000, Gansu, People's Republic of China
- Department of General Surgery, The First Hospital of Lanzhou University, No.1 Donggang West Road, Chengguan District, Lanzhou, 730000, Gansu, People's Republic of China
| | - Jun Yan
- The First School of Clinical Medical, Lanzhou University, Lanzhou, 730000, Gansu, People's Republic of China.
- Key Laboratory of Biotherapy and Regenerative Medicine of Gansu Province, Lanzhou, 730000, Gansu, People's Republic of China.
- Department of General Surgery, The First Hospital of Lanzhou University, No.1 Donggang West Road, Chengguan District, Lanzhou, 730000, Gansu, People's Republic of China.
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Köroğlu Z, Kizir D, Karaman M, Demir Y, Türkeş C, Beydemir Ş. Protective effects of esculetin against doxorubicin-induced toxicity correlated with oxidative stress in rat liver: In vivo and in silico studies. J Biochem Mol Toxicol 2024; 38:e23702. [PMID: 38567888 DOI: 10.1002/jbt.23702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2024] [Revised: 03/14/2024] [Accepted: 03/22/2024] [Indexed: 04/05/2024]
Abstract
Doxorubicin (DOX) is widely used in cancer treatment but the dose-related toxicity of DOX on organs including the liver limit its use. Therefore, there is great interest in combining DOX with natural compounds with antioxidant properties to reduce toxicity and increase drug efficacy. Esculetin is a natural coumarin derivative with biological properties encompassing anti-inflammatory and antioxidant activities. In light of these properties, this study was meticulously crafted to investigate the potential of esculetin in preventing doxorubicin (DOX)-induced hepatotoxicity in Sprague-Dawley rats. The rats were divided into a total of six groups: control group, DOX group (administered DOX at a cumulative dose of 5 mg/kg intraperitoneally every other day for 2 weeks), E50 group (administered 50 mg/kg of esculetin intraperitoneally every day), E100 group (administered 100 mg/kg of esculetin intraperitoneally every day) and combined groups (DOX + E50 and DOX + E100) in which esculetin was administered together with DOX. The treatments, both with DOX alone and in combination with E50, manifested a reduction in catalase (CAT mRNA) levels in comparison to the control group. Notably, the enzymatic activities of superoxide dismutase (SOD), CAT, and glutathione peroxidase (GPx) witnessed significant decreases in the liver of rats treated with DOX. Moreover, DOX treatment induced a statistically significant elevation in malondialdehyde (MDA) levels, coupled with a concurrent decrease in glutathione (GSH) levels. Additionally, molecular docking studies were conducted. However, further studies are needed to confirm the hepatoprotective properties of esculetin and to precisely elucidate its mechanisms of action.
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Affiliation(s)
- Zeynep Köroğlu
- Department of Molecular Biology and Genetics, Faculty of Science, Atatürk University, Erzurum, Türkiye
| | - Duygu Kizir
- Department of Molecular Biology and Genetics, Faculty of Science, Atatürk University, Erzurum, Türkiye
| | - Melike Karaman
- Department of Molecular Biology and Genetics, Faculty of Science, Atatürk University, Erzurum, Türkiye
| | - Yeliz Demir
- Department of Pharmacy Services, Nihat Delibalta Göle Vocational High School, Ardahan University, Ardahan, Türkiye
| | - Cüneyt Türkeş
- Department of Biochemistry, Faculty of Pharmacy, Erzincan Binali Yıldırım University, Erzincan, Türkiye
| | - Şükrü Beydemir
- Department of Biochemistry, Faculty of Pharmacy, Anadolu University, Eskişehir, Turkey
- Rectorate, Bilecik Şeyh Edebali University, Bilecik, Türkiye
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Aquilina-Beck A, Reed LA, Rider M, Burdine W, Daugomah J, Apeti D, Key P, DeLorenzo M. Employing molecular, chemical and physiological techniques using Crassostrea virginica to assess ecosystem health along coastal South Carolina and North Carolina, United States. ENVIRONMENTAL RESEARCH 2023; 236:116817. [PMID: 37541416 DOI: 10.1016/j.envres.2023.116817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 07/10/2023] [Accepted: 08/01/2023] [Indexed: 08/06/2023]
Abstract
Natural and anthropogenic environmental impacts can introduce contaminants into sensitive habitats, threatening ecosystems and human health. Consistent monitoring of coastal areas provides critical environmental assessment data. Sediments and Eastern Oyster (Crassostrea virginica) tissues were collected at fourteen South Carolina (SC) and four North Carolina (NC) sites as part of the National Oceanic and Atmospheric Administration's Mussel Watch environmental monitoring program. Cellular and molecular techniques were employed to measure C. virginica stress response, specifically, Lipid Peroxidation (LPx), Glutathione (GSH), and qPCR techniques. Gene specific primers targeted for detecting oxidative stress and cellular death were developed in C. virginica to gauge response to current environmental conditions using gill and hepatopancreas (HP) tissue. In order to validate gene specific markers as additional assessment tools, a 96 h zinc (Zn) laboratory exposure was performed. Cellular biomarker data revealed tissue specific responses. Hepatopancreas data showed C. virginica exhibited stress through the lipid peroxidation assay amongst sampling sites, however, response was managed through glutathione detoxification. Gill tissue data had significantly lower levels of cellular biomarker response compared to hepatopancreas. Molecular biomarkers targeting these cellular stress pathways through qPCR analysis show upregulation of Metallothionein in hepatopancreas and gill tissue with a concurrent > 2-fold upregulation in the detoxification marker Superoxide Dismutase (SOD) at three NC sites. SC sites displayed higher stress levels through LPx assays and down-regulation in GPx gene activity. Laboratory zinc exposure revealed no significance in cellular biomarker results, however, molecular data showed gills responding to zinc treatment through upregulation of Metallothionein, SOD and Cathepsin L, indicating an acute response in gills. Collectively, chemical, cellular and molecular methods clarify sentinel stress response of biological impacts and aid in evaluating environmental health in coastal ecosystems. This combined methodological approach provides a detailed analysis of environmental conditions and improves land-use management decisions.
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Affiliation(s)
- Allisan Aquilina-Beck
- CSS, Inc, Under Contract to National Centers for Coastal Ocean Science, National Ocean Service, National Oceanic and Atmospheric Administration, Charleston, SC, USA.
| | - Lou Ann Reed
- National Centers for Coastal Ocean Science, National Ocean Service, National Oceanic and Atmospheric Administration, Charleston, SC, USA
| | - Mary Rider
- CSS, Inc, Under Contract to National Centers for Coastal Ocean Science, National Ocean Service, National Oceanic and Atmospheric Administration, Charleston, SC, USA
| | - William Burdine
- CSS, Inc, Under Contract to National Centers for Coastal Ocean Science, National Ocean Service, National Oceanic and Atmospheric Administration, Charleston, SC, USA
| | - James Daugomah
- National Centers for Coastal Ocean Science, National Ocean Service, National Oceanic and Atmospheric Administration, Charleston, SC, USA
| | - Dennis Apeti
- National Centers for Coastal Ocean Science, National Ocean Service, National Oceanic and Atmospheric Administration, Charleston, SC, USA
| | - Pete Key
- National Centers for Coastal Ocean Science, National Ocean Service, National Oceanic and Atmospheric Administration, Charleston, SC, USA
| | - Marie DeLorenzo
- National Centers for Coastal Ocean Science, National Ocean Service, National Oceanic and Atmospheric Administration, Charleston, SC, USA
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Debata NR, Sethy K, Swain RK, Mishra SK, Panda N, Maity S. Supplementation of nano-selenium (SeNPs) improved growth, immunity, antioxidant enzyme activity, and selenium retention in broiler chicken during summer season. Trop Anim Health Prod 2023; 55:260. [PMID: 37402941 DOI: 10.1007/s11250-023-03678-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 06/27/2023] [Indexed: 07/06/2023]
Abstract
The present experiment was aimed at finding the optimal supplemental dose of nano-selenium in broiler chicken during the summer season for better performance in terms of growth, blood metabolites, immune response, antioxidant status, and selenium concentration in vital organs. Three-hundred-day-old Vencobb broiler chicks were randomly distributed into five dietary treatment groups with six replicates of 10 chicks each. The dietary treatments were as follows: T1 (control group), basal diet; T2, basal diet with 0.0375 ppm of nano-Se; T3, basal diet with 0.075 ppm of nano-Se; T4, basal diet with 0.15 ppm of nano-Se; T5, basal diet with 0.3 ppm of nano-Se. The experiment was carried out for 35 days. The average gain and feed conversion ratio were best observed in T4 and T5. The antibody titres were significantly higher (P < 0.05) in the treated birds. At the 5th week, erythrocytic glutathione peroxidase, catalase, and superoxide dismutase activities were significantly (P < 0.05) higher and lipid peroxidation values were significantly (P < 0.05) lower in all the nano-Se-treated groups. The Se levels in the liver, breast muscle, kidney, brain, and gizzard were significantly (P < 0.05) increased with increased dietary nano-Se. Histological studies of the liver and kidney in the highest nano-Se-treated groups (T4 and T5) did not show any abnormal changes. It is concluded that supplementation of nano-selenium at 0.15 ppm over and above the basal level improved the performance and protect the birds from summer stress without any adverse effect on the vital organs of chicken.
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Affiliation(s)
- N R Debata
- Department of Animal Nutrition, C.V.Sc. &A.H., OUAT, Bhubaneswar, India
| | - K Sethy
- Department of Animal Nutrition, C.V.Sc. &A.H., OUAT, Bhubaneswar, India.
| | - R K Swain
- Department of Animal Nutrition, C.V.Sc. &A.H., OUAT, Bhubaneswar, India
| | - S K Mishra
- Department of Animal Nutrition, C.V.Sc. &A.H., OUAT, Bhubaneswar, India
| | - N Panda
- Department of Animal Nutrition, C.V.Sc. &A.H., OUAT, Bhubaneswar, India
| | - S Maity
- Centre Coordinator, GIET University, Raygada, Gunupur, Odisha, India
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Geng Y, Wang Z, Zhou J, Zhu M, Liu J, James TD. Recent progress in the development of fluorescent probes for imaging pathological oxidative stress. Chem Soc Rev 2023. [PMID: 37190785 DOI: 10.1039/d2cs00172a] [Citation(s) in RCA: 50] [Impact Index Per Article: 50.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
Oxidative stress is closely related to the physiopathology of numerous diseases. Reactive oxygen species (ROS), reactive nitrogen species (RNS), and reactive sulfur species (RSS) are direct participants and important biomarkers of oxidative stress. A comprehensive understanding of their changes can help us evaluate disease pathogenesis and progression and facilitate early diagnosis and drug development. In recent years, fluorescent probes have been developed for real-time monitoring of ROS, RNS and RSS levels in vitro and in vivo. In this review, conventional design strategies of fluorescent probes for ROS, RNS, and RSS detection are discussed from three aspects: fluorophores, linkers, and recognition groups. We introduce representative fluorescent probes for ROS, RNS, and RSS detection in cells, physiological/pathological processes (e.g., Inflammation, Drug Induced Organ Injury and Ischemia/Reperfusion Injury etc.), and specific diseases (e.g., neurodegenerative diseases, epilepsy, depression, diabetes and cancer, etc.). We then highlight the achievements, current challenges, and prospects for fluorescent probes in the pathophysiology of oxidative stress-related diseases.
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Affiliation(s)
- Yujie Geng
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China.
| | - Zhuo Wang
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China.
| | - Jiaying Zhou
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China.
| | - Mingguang Zhu
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China.
| | - Jiang Liu
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China.
| | - Tony D James
- Department of Chemistry, University of Bath, Bath BA2 7AY, UK.
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China
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Khanna K, Kohli SK, Ohri P, Bhardwaj R, Ahmad P. Agroecotoxicological Aspect of Cd in Soil–Plant System: Uptake, Translocation and Amelioration Strategies. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:30908-30934. [PMID: 0 DOI: 10.1007/s11356-021-18232-5] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 12/16/2021] [Indexed: 05/27/2023]
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Acibucu F, Öztürk DD, Kizildag C, Aslan MZ, Gulumsek E, Sumbul MS, Neselioglu S, Erel O, Sen S, Bankir M, Sumbul HE. Proptosis is associated with thiol-disulfide in patients with Graves' ophthalmopathy. ARCHIVES OF ENDOCRINOLOGY AND METABOLISM 2022; 66:191-197. [PMID: 35315985 PMCID: PMC9832892 DOI: 10.20945/2359-3997000000448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Objective Graves' ophthalmopathy (GO) is a vision-threatening finding observed in approximately half of Graves' disease patients. The pathophysiology of GO is unclear, and one of the suspected factors is oxidative stress. In our study, we compared the relationship between proptosis and SH-SS in patients diagnosed with GO. Methods In this prospective study, 40 recently diagnosed Graves' disease patients with proptosis, 40 recently diagnosed Graves' disease patients without GO and 30 healthy individuals with similar demographic characteristics were included. Serum thiol-disulfide (SH-SS) measurements were performed. Eye examinations were performed by a single ophthalmologist to check for the presence of GO, and proptosis values were recorded with a Hertel exophthalmometer. Results Total SH values were lower in the group with proptosis than in the other groups (p < 0.05). Total and native SH values were lower in patients without proptosis than in the control group (p < 0.05). Total SH, native SH and SS levels were independently associated with proptosis (p < 0.05). According to this analysis, it was found that increasing SS and decreasing total and native SH levels increased the probability of proptosis by 24.4%, 32.7% and 32.4%, respectively. Conclusion A decrease in SH, which is a natural antioxidant that protects the body against oxidative stress, and an increase in SS are important signs of oxidative damage. Proptosis and SH-SS are closely related in GO. This may help us detect GO and proptosis in Graves' patients. It can also assist in developing new options for preventing and treating GO.
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Affiliation(s)
- Fettah Acibucu
- Department of Internal Medicine, Endocrinology Division, University of Health Sciences - Adana Health Practice and Research Center, Adana, Turkey,
| | - Dilan Damla Öztürk
- Department of Internal Medicine, University of Health Sciences - Adana Health Practice and Research Center, Adana, Turkey
| | - Cisem Kizildag
- Department of Internal Medicine, University of Health Sciences - Adana Health Practice and Research Center, Adana, Turkey
| | - Muhammed Zubeyir Aslan
- Department of Internal Medicine, University of Health Sciences - Adana Health Practice and Research Center, Adana, Turkey
| | - Erdinc Gulumsek
- Department of Gastroenterology, University of Health Sciences - Adana Health Practice and Research Center, Adana, Turkey
| | | | - Salim Neselioglu
- Ankara Yildirim Beyazit University Faculty of Medicine, Department of Medical Biochemistry, Ankara, Turkey
| | - Ozcan Erel
- Ankara Yildirim Beyazit University Faculty of Medicine, Department of Medical Biochemistry, Ankara, Turkey
| | - Suat Sen
- Department of Internal Medicine, University of Health Sciences - Adana Health Practice and Research Center, Adana, Turkey
| | - Mehmet Bankir
- Department of Internal Medicine, University of Health Sciences - Adana Health Practice and Research Center, Adana, Turkey
| | - Hilmi Erdem Sumbul
- Department of Internal Medicine, University of Health Sciences - Adana Health Practice and Research Center, Adana, Turkey
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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: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [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: 01/19/2022] [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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Alburaidi BS, Alsenaidy AM, Al Hasan M, Siddiqi NJ, Alrokayan SH, Odeibat HA, Abdulnasir AJ, Khan HA. Comparative evaluation of cadmium-induced oxidative stress in camel and bovine erythrocytes. JOURNAL OF KING SAUD UNIVERSITY - SCIENCE 2022. [DOI: 10.1016/j.jksus.2021.101772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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12
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Rathinam A, Pari L, Venkatesan M, Munusamy S. Myrtenal attenuates oxidative stress and inflammation in a rat model of streptozotocin-induced diabetes. Arch Physiol Biochem 2022; 128:175-183. [PMID: 31564173 DOI: 10.1080/13813455.2019.1670212] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
The present study was aimed to investigate the effect of myrtenal on diabetes-associated oxidative stress, lipid peroxidation (LPO), and inflammation using a rat model of streptozotocin (STZ)-induced diabetes. Following the induction of diabetes in male Wistar rats using STZ (40 mg/kg body weight), myrtenal (80 mg/kg body weight) was administered orally to diabetic rats for four weeks and then sacrificed to harvest tissues. We measured the levels of antioxidants, LPO, and proinflammatory cytokines such as tumor necrosis factor-α (TNF-α) and interleukin 6 (IL-6), and the p65 subunit of nuclear factor-kappa B (NF-kB p65). Diabetic rats revealed increased levels of LPO, proinflammatory cytokines, and NF-kB p65, and decreased levels of antioxidants in the liver and pancreas. Supplementation with myrtenal significantly attenuated the diabetes-induced changes in the liver and pancreas of diabetic rats. Our findings suggest that myrtenal may serve as an antioxidant and anti-inflammatory agent against diabetes-associated oxidative stress and inflammation.HighlightsOral administration of myrtenal improved the antioxidant status in the liver and pancreas of diabetic rats.Myrtenal treatment diminished inflammation in the liver and pancreas of diabetic rats.Myrtenal supplementation averts oxidative stress and inflammation in diabetic rats.Myrtenal could serve as a potent antioxidant and anti-inflammatory agent in the management of diabetes.
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Affiliation(s)
- Ayyasamy Rathinam
- Department of Biochemistry and Biotechnology, Phytopharmacology and Molecular Biology Research Laboratory, Annamalai University, Annamalainagar, India
- Department of Animal Science, Bharathidasan University, Tiruchirappalli, India
| | - Leelavinothan Pari
- Department of Biochemistry and Biotechnology, Phytopharmacology and Molecular Biology Research Laboratory, Annamalai University, Annamalainagar, India
| | - Manigandan Venkatesan
- Department of Medical Biotechnology, Faculty of Allied Health Sciences, Chettinad Academy of Research and Education (CARE), Chennai, India
| | - Shankar Munusamy
- Department of Pharmaceutical and Administrative Sciences, College of Pharmacy and Health Sciences, Drake University, Des Moines, IA, USA
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Ajirioghene AE, Ghasi SI, Ewhre LO, Adebayo OG, Asiwe JN. Anti-diabetogenic and in vivo antioxidant activity of ethanol extract of Dryopteris dilatata in alloxan-induced male Wistar rats. Biomarkers 2021; 26:718-725. [PMID: 34612093 DOI: 10.1080/1354750x.2021.1990408] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Accepted: 10/02/2021] [Indexed: 12/12/2022]
Abstract
AIMS Oxido-inflammatory stress has been implicated as the main targets in alleviating diabetic complications induced by hyperglycaemia. Dryopteris dilatata: a bioactive plant serves great medicinal benefits in ethnopharmacology to ameliorate pathological conditions. This study investigated the protective effects of ethanol extract of Dryopteris dilatata (EEDD) in alloxan-induced diabetic rats through mechanism involving inhibition of oxidative stress and liver and kidney inflammatory markers. METHODOLOGY Male Wistar rats were made diabetic via alloxan monohydrate (100 mg/kg) administration intraperitoneally. Diabetic rats were post-treated with EEDD (800 mg/kg) and Metformin (50 mg/kg) orally for two weeks. Fasting blood sugar (FBS), body and organ weight change, markers of oxidative stress, liver and kidney inflammation were evaluated. RESULTS Our results revealed that EEDD significantly reduced alloxan-induced hyperglycaemia in the diabetic rats after 5, 10 and 15 days of treatment. Markers of oxidative injury were also significantly ameliorated in the pancreas, liver and kidney of the diabetic rats following treatment with EEDD. However, liver and kidney injury markers were significantly attenuated with marked decreased organ weight in the diabetic rats after treatment with EEDD. CONCLUSION Here in, we found that Dryopteris dilatata could be used as nutraceuticals in the prevention and treatment of diabetes and its related complications through positively modulating oxidative stress and liver and kidney inflammatory markers.
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Affiliation(s)
- Akpotu E Ajirioghene
- Department of Pharmacology, Faculty of Basic Medical Sciences, PAMO University of Medical Sciences, Port-Harcourt, Nigeria
| | - Samuel I Ghasi
- Department of Pharmacology and Therapeutics, College of Medicine, University of Nigeria, Nsuka, Nigeria
| | - Lawrence O Ewhre
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Delta State University, Abraka, Nigeria
| | - Olusegun G Adebayo
- Neurophysiology Unit, Department of Physiology, Faculty of Basic Medical Sciences, PAMO University of Medical Sciences, Port-Harcourt, Nigeria
| | - Jerome N Asiwe
- Neurophysiology Unit, Department of Physiology, Faculty of Basic Medical Sciences, PAMO University of Medical Sciences, Port-Harcourt, Nigeria
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14
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Surai PF, Earle-Payne K, Kidd MT. Taurine as a Natural Antioxidant: From Direct Antioxidant Effects to Protective Action in Various Toxicological Models. Antioxidants (Basel) 2021; 10:1876. [PMID: 34942978 PMCID: PMC8698923 DOI: 10.3390/antiox10121876] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 11/21/2021] [Accepted: 11/23/2021] [Indexed: 12/18/2022] Open
Abstract
Natural antioxidants have received tremendous attention over the last 3 decades. At the same time, the attitude to free radicals is slowly changing, and their signalling role in adaptation to stress has recently received a lot of attention. Among many different antioxidants in the body, taurine (Tau), a sulphur-containing non-proteinogenic β-amino acid, is shown to have a special place as an important natural modulator of the antioxidant defence networks. Indeed, Tau is synthesised in most mammals and birds, and the Tau requirement is met by both synthesis and food/feed supply. From the analysis of recent data, it could be concluded that the direct antioxidant effect of Tau due to scavenging free radicals is limited and could be expected only in a few mammalian/avian tissues (e.g., heart and eye) with comparatively high (>15-20 mM) Tau concentrations. The stabilising effects of Tau on mitochondria, a prime site of free radical formation, are characterised and deserve more attention. Tau deficiency has been shown to compromise the electron transport chain in mitochondria and significantly increase free radical production. It seems likely that by maintaining the optimal Tau status of mitochondria, it is possible to control free radical production. Tau's antioxidant protective action is of great importance in various stress conditions in human life, and is related to commercial animal and poultry production. In various in vitro and in vivo toxicological models, Tau showed AO protective effects. The membrane-stabilizing effects, inhibiting effects on ROS-producing enzymes, as well as the indirect AO effects of Tau via redox balance maintenance associated with the modulation of various transcription factors (e.g., Nrf2 and NF-κB) and vitagenes could also contribute to its protective action in stress conditions, and thus deserve more attention.
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Affiliation(s)
- Peter F. Surai
- Vitagene and Health Research Centre, Bristol BS4 2RS, UK
- Department of Microbiology and Biochemistry, Faculty of Veterinary Medicine, Trakia University, 6000 Stara Zagora, Bulgaria
- Biochemistry and Physiology Department, Saint-Petersburg State University of Veterinary Medicine, 196084 St. Petersburg, Russia
- Department of Animal Nutrition, Faculty of Agricultural and Environmental Sciences, Szent Istvan University, H-2103 Gödöllo, Hungary
| | - Katie Earle-Payne
- NHS Greater Glasgow and Clyde, Renfrewshire Health and Social Care Centre, 10 Ferry Road, Renfrew PA4 8RU, UK;
| | - Michael T. Kidd
- Center of Excellence for Poultry Science, University of Arkansas, Fayetteville, AR 72701, USA;
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Chen P, Chen B, He M, Hu B. Combined effects of different sizes of ZnO and ZIF-8 nanoparticles co-exposure with Cd 2+ on HepG2 cells. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 786:147402. [PMID: 33975099 DOI: 10.1016/j.scitotenv.2021.147402] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 04/21/2021] [Accepted: 04/23/2021] [Indexed: 06/12/2023]
Abstract
Heavy metal and nanoparticles (NPs) emitted in the environment have attracted worldwide attention. But the combined effect of NPs and heavy metals is still unclear. In this study, the combined effect of zinc-based NPs and Cd2+ on HepG2 cells was investigated by combining biological indicator detection methods with time-resolved inductively coupled plasma mass spectrometry (TRA-ICP-MS) single cell analysis, and the combined effect of Zn2+ and Cd2+ was also investigated for a comparison. High-dose of ZnO or ZIF-8 NPs co-exposure with Cd2+ would reduce the cell viability while low-dose of ZnO or ZIF-8 NPs co-exposure with Cd2+showed antagonism and the particle size has no remarkable effect on the combined toxicity. In the antagonism, Zn2+ would increase cellular Zn amount through increasing the expression of ZIP8 and ZIP14 transporters to manage the ROS generation, but the zinc-based NPs would decrease expression of these transporters to decrease cellular Cd amount to help maintain the cell viability. Thus, we should hold a dialectical thinking about the pollution of NPs emissions in the environment.
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Affiliation(s)
- Pengyu Chen
- Department of Chemistry, Wuhan University, Wuhan 430072, China
| | - Beibei Chen
- Department of Chemistry, Wuhan University, Wuhan 430072, China
| | - Man He
- Department of Chemistry, Wuhan University, Wuhan 430072, China
| | - Bin Hu
- Department of Chemistry, Wuhan University, Wuhan 430072, China.
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Ouyang Z, Yang B, Yi J, Zhu S, Lu S, Liu Y, Li Y, Li Y, Mehmood K, Hussain R, Ijaz M, Guo J, Tang Z, Li Y, Zhang H. Exposure to Fluoride induces apoptosis in liver of ducks by regulating Cyt-C/Caspase 3/9 signaling pathway. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 224:112662. [PMID: 34411823 DOI: 10.1016/j.ecoenv.2021.112662] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 08/10/2021] [Accepted: 08/14/2021] [Indexed: 06/13/2023]
Abstract
Fluorine being a well-known and essential element for normal physiological functions of tissues of different organisms is frequently used for growth and development of body. The mechanisms of adverse and injurious impacts of fluoride are not clear and still are under debate. Therefore, this study was executed to ascertain the potential mechanisms of sodium fluoride in liver tissues of ducks. For this purpose, a total of 14 ducks were randomly divided and kept in two groups including control group and sodium fluoride treated group. The ducks in control group were fed with normal diet while the ducks in other group were exposed to sodium fluoride (750 mg/kg) for 28 days. The results showed that exposure to sodium fluoride induced deleterious effects in different liver tissues of ducks. The results indicated that mRNA levels of Cas-3, Cas-9, p53, Apaf-1, Bax and Cyt-c were increased in treated ducks with significantly higher mRNA level of Cas-9 and lower levels of the mRNA level of Bcl-2 as compared to untreated control group (P < 0.01). The results showed that protein expression levels of Bax and p53 were increased while protein expression level of Bcl-2 was reduced in treated ducks. No difference was observed in protein expression level of Cas-3 between treated and untreated ducks. The results of this study suggest that sodium fluoride damages the normal structure of liver and induces abnormal process of apoptosis in hepatocyte, which provide a new idea for elucidating the mechanisms of sodium fluoride induced hepatotoxicity in ducks.
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Affiliation(s)
- Zhuanxu Ouyang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
| | - Bijing Yang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
| | - Jiangnan Yi
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
| | - Shanshan Zhu
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
| | - Suge Lu
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
| | - Yingwei Liu
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
| | - Yangwei Li
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
| | - Yuanliang Li
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
| | - Khalid Mehmood
- Department of Clinical Medicine and Surgery, Faculty of Veterinary and Animal Sciences, The Islamia University of Bahawalpur, 63100, Pakistan
| | - Riaz Hussain
- Department of Pathology, Faculty of Veterinary and Animal Sciences, The Islamia University of Bahawalpur, 63100, Pakistan
| | - Muhammad Ijaz
- Department of Veterinary Medicine, University of Veterinary and Animal Sciences Lahore, 54000, Pakistan
| | - Jianying Guo
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
| | - Zhaoxin Tang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China
| | - Ying Li
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China.
| | - Hui Zhang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China.
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Hepatoprotective Effect of Apigenin Against Liver Injury via the Non-canonical NF-κB Pathway In Vivo and In Vitro. Inflammation 2021; 43:1634-1648. [PMID: 32458347 DOI: 10.1007/s10753-020-01238-5] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Apigenin, a flavonoid found in many plants, has various biological properties. We aimed to investigate the anti-inflammatory and anti-oxidative activity of apigenin against carbon tetrachloride (CCl4)-induced acute liver injury in mice and hydrogen peroxide (H2O2)-induced oxidative stress in HepG2 cells and possible mechanism. In vivo, apigenin significantly reduced alanine aminotransferase (ALT) and aspartate aminotransferase (AST) activity in serum of mice challenged by CCl4 and markedly alleviated the lipid peroxidation as indicated by the increased level of superoxide dismutase (SOD), reduced glutathione (GSH), glutathione peroxidases (GSH-Px) and catalase (CAT), and the decreased malondialdehyde (MDA) in liver tissue. Apigenin also ameliorated inflammation by downregulating tumor necrosis factor-alpha (TNF-α), interleukin-6 (IL-6), and upregulating IL-10. Consistently, the elevated ALT and AST level; the impaired balance between SOD, GSH activity, and excessive ROS; and the increased gene expression of TNF-α and IL-6 resulting from H2O2-induced oxidative stress were restored by apigenin. Moreover, the results from Western blot, real-time qPCR, and immunofluorescence assay indicated that apigenin enhanced the activity of TNF receptor-associated factor (TRAF) 2/3 and cellular inhibitor of apoptosis protein (c-IAP) 1, ameliorated NF-κB-inducing kinase (NIK), and mediated the nuclear translocation of NF-κB2, therefore had an inhibitory effect on the non-canonical NF-κB pathway which was activated in both models. siNIK canceled the protective effect of apigenin on H2O2-induced HepG2 cells. Altogether, our results demonstrated that apigenin mitigated liver injury by ameliorating inflammation and oxidative stress through suppression of the non-canonical NF-κB pathway, indicating the potential of apigenin for treatment of the liver injury.
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Ajayi AM, Adedapo ADA, Badaki VB, Oyagbemi AA, Adedapo AA. Chrysophyllum albidum fruit ethanol extract ameliorates hyperglycaemia and elevated blood pressure in streptozotocin-induced diabetic rats through modulation of oxidative stress, NF-κB and PPAR-γ. Biomed Pharmacother 2021; 141:111879. [PMID: 34225016 DOI: 10.1016/j.biopha.2021.111879] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 06/23/2021] [Accepted: 06/28/2021] [Indexed: 01/05/2023] Open
Abstract
Oxidative stress and inflammation arising from hyperglycaemia have been identified as important targets in mitigating hyperglycaemia-induced organ dysfunction in diabetics. Chrysophyllum albidum fruit is commonly consumed as fruit snacks because of its beneficial effects in diabetes management. This study aim to evaluate the protective mechanisms of Chrysophyllum albidum fruit extract (CAFE) in streptozotocin-induced rats involving attenuation of oxidative stress, nuclear factor-kappa B (NF-κB) and peroxisome proliferator-activated receptor-gamma (PPAR-γ). CAFE was investigated for in vitro antioxidant and alpha amylase inhibitory activity. Male Wistar rats were made diabetic by single intraperitoneal injection of streptozotocin (60 mg/kg). The rats were then treated with CAFE (100 and 200 mg/kg) and pioglitazone (10 mg/kg) for two weeks. Fasting blood sugar (FBS), blood pressure parameters, lipid profile, oxidative stress parameters, NF-κB and PPAR-γ were determined. The extract showed antioxidant and alpha amylase inhibitory activities. CAFE significantly reduced STZ-induced hyperglycaemia after 7 and 14 days of treatment. CAFE also reduced STZ-induced elevation of diastolic blood pressure and mean arterial pressure and as well reduced atherogenic index in diabetic rats. It significantly decreased lipid peroxidation but increased the enzymatic and non-enzymatic antioxidant markers in the plasma, liver, kidney and pancreas. The immunohistochemical analysis revealed that CAFE significantly decreased hepatic and renal tissues NF-κB while increasing PPAR-γ gene expressions. The results of this study collectively showed the protective effect of Chrysophyllum albidum fruit extract in streptozotocin-induced diabetic rats via modulation of oxidative stress and NF-κB/ PPAR-γ expressions.
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Affiliation(s)
- Abayomi M Ajayi
- Department of Pharmacology & Therapeutics, Faculty of Basic Medical Sciences, College of Medicine, University of Ibadan, Ibadan, Oyo State, Nigeria.
| | - Aduragbenro D A Adedapo
- Department of Pharmacology & Therapeutics, Faculty of Basic Medical Sciences, College of Medicine, University of Ibadan, Ibadan, Oyo State, Nigeria.
| | - Victoria B Badaki
- Department of Pharmacology & Therapeutics, Faculty of Basic Medical Sciences, College of Medicine, University of Ibadan, Ibadan, Oyo State, Nigeria.
| | | | - Adeolu A Adedapo
- Department of Veterinary Pharmacology and Toxicology, University of Ibadan, Ibadan, Oyo State, Nigeria.
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Molaei E, Molaei A, Abedi F, Hayes AW, Karimi G. Nephroprotective activity of natural products against chemical toxicants: The role of Nrf2/ARE signaling pathway. Food Sci Nutr 2021; 9:3362-3384. [PMID: 34136201 PMCID: PMC8194945 DOI: 10.1002/fsn3.2320] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 04/15/2021] [Accepted: 04/19/2021] [Indexed: 12/18/2022] Open
Abstract
Nephropathy can occur following exposure of the kidneys to oxidative stress. Oxidative stress is the result of reactive oxygen species (ROS) formation due to intracellular catabolism or exogenous toxicant exposure. Many natural products (NPs) with antioxidant properties have been used to demonstrate that oxidative damage-induced nephrotoxicity can be ameliorated or at least reduced through stimulation of the nuclear factor erythroid 2-related factor 2 (Nrf2) signaling pathway. Nrf2 is a basic leucine zipper (bZip) transcription factor that regulates gene expression of the antioxidant response elements (ARE). Nrf2 is involved in the cellular antioxidant-detoxification machinery. Nrf2 activation is a major mechanism of nephroprotective activity for these NPs, which facilitates its entry into the nucleus, primarily by inhibiting Kelch like-ECH-associated protein 1 (Keap1). The purpose of this article was to review the peer-reviewed literature of NPs that have shown mitigating effects on renal disorder by stimulating Nrf2 and thereby suggesting potential new therapeutic or prophylactic strategies against kidney-damaging xenobiotics.
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Affiliation(s)
- Emad Molaei
- Faculty of PharmacyMashhad University of Medical SciencesMashhadIran
| | - Ali Molaei
- Faculty of MedicineMashhad University of Medical SciencesMashhadIran
| | - Farshad Abedi
- Faculty of PharmacyMashhad University of Medical SciencesMashhadIran
| | | | - Gholamreza Karimi
- Pharmaceutical Research CenterInstitute of Pharmaceutical TechnologyMashhad University of Medical SciencesMashhadIran
- Department of Pharmacodynamics and ToxicologyFaculty of PharmacyMashhad University of Medical SciencesMashhadIran
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20
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Rajak C, Singh N, Parashar P. Metal toxicity and natural antidotes: prevention is better than cure. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:43582-43598. [PMID: 32951168 DOI: 10.1007/s11356-020-10783-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Accepted: 09/09/2020] [Indexed: 06/11/2023]
Abstract
Toxicity due to heavy metals (HM), specifically mercury (Hg), arsenic (As), lead (Pb), and cadmium (Cd) remains a challenge to scientists till date. This review gives insights into natural antidotes for the management and prevention of HM toxicity. Various databases such as PubMed, Embase, and Science Direct were searched for available facts on natural antidotes and their commercial products against HM toxicity till date. Toxicity owing to such metals needs prevention rather than therapy. Natural antidotes, fruits and vegetables, rich in antioxidant are the answers to such toxicities. Synthetic chelators impart a major drawback of removing essential metals required for normal body function, along with the toxic one. Natural antioxidants are bestowed with scavenging and chelation properties and can be alternative for synthetic chelating agents. Natural compounds are abundantly available, economic, and have minimal side effects when compared with classical chelators. Prevention is better than cure and thus adding plentiful vegetables and fruits to our diet can combat HM toxicity-related illness. Graphical abstract.
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Affiliation(s)
- Chetan Rajak
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Near CRPF Base Camp, Ahmadpur urf Kamlapur, Bijnor-Sisendi Road, Sarojini Nagar, Lucknow, Uttar Pradesh, 226002, India
| | - Neelu Singh
- Department of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University (A Central University), Vidya Vihar, Raebareli Road, Lucknow, UP, 226025, India
| | - Poonam Parashar
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Near CRPF Base Camp, Ahmadpur urf Kamlapur, Bijnor-Sisendi Road, Sarojini Nagar, Lucknow, Uttar Pradesh, 226002, India.
- Department of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University (A Central University), Vidya Vihar, Raebareli Road, Lucknow, UP, 226025, India.
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21
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Ali HS, Almashhadany DA, Khalid HS. Determination of heavy metals and selenium content in chicken liver at Erbil city, Iraq. Ital J Food Saf 2020; 9:8659. [PMID: 33282755 PMCID: PMC7706357 DOI: 10.4081/ijfs.2020.8659] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Accepted: 09/28/2020] [Indexed: 11/23/2022] Open
Abstract
Heavy metal contamination of poultry meat is a critical issue for human health due to associated risks of cytotoxicity and systemic pathologies after ingestion of such metals. A total of twenty chicken liver samples were collected from markets of Erbil city and analyzed for ten heavy metals contents by Inductively Coupled Plasma Optical Emission Spectrometry. The targeted metals were cadmium (Cd), cobalt (Co), chromium (Cr), copper (Cu), manganese (Mn), nickel (Ni), lead (Pb), mercury (Hg), zinc (Zn) and selenium (Se). The average concentrations (mg/kg) of targeted trace elements were 0.06±0.027, 0.06±0.05, 2.05±0.34, 1.85±0.47, 0.15±0.17, and 33.53±5.24 for Co, Cr, Cu, Mn, Ni, and Zn respectively. Copper (Cu) levels significantly exceeded the maximum permissible limit of WHO. Moreover, the average concentrations of toxic heavy metals and selenium were 0.07±0.037, 0.278±0.10, 0.11±0.083, and 2.01±0.454 mg/kg for Cd, Pb, Hg, and Se respectively. Hg and Pb levels exceeded the permissible limits of WHO. Higher levels of Cu and Hg in poultry may pose a serious threat to consumers which demand countermeasures and precautions to be taken. Iraqi Standards Authority and relevant official institutions are strongly recommended to regulate safe disposal of heavy metal waste in the environment to reduce animal exposure to such metals.
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Affiliation(s)
- Hoshyar Saadi Ali
- Department of Medical Lab Science, College of Science, Knowledge University, Kurdistan Region
| | | | - Hawraz Sami Khalid
- Department of Chemistry, College of Education, Salahaddin University-Erbil, Erbil, Kurdistan Region, Iraq
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Human Umbilical Cord Blood Mesenchymal Stem Cell Conditioned Medium (hMSC-CM) Improves Antioxidant Status in Carbon Tetrachloride-Induced Oxidative Damage in Rat. IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY, TRANSACTIONS A: SCIENCE 2020. [DOI: 10.1007/s40995-020-00944-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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Nanayakkara S, Senevirathna STMLD, Harada KH, Chandrajith R, Nanayakkara N, Koizumi A. The Influence of fluoride on chronic kidney disease of uncertain aetiology (CKDu) in Sri Lanka. CHEMOSPHERE 2020; 257:127186. [PMID: 32516669 DOI: 10.1016/j.chemosphere.2020.127186] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 05/18/2020] [Accepted: 05/21/2020] [Indexed: 06/11/2023]
Abstract
Fluoride is an element that is widely distributed in the environment. The involvement of fluoride in pathogenesis of Chronic Kidney Disease of uncertain aetiology (CKDu) in Sri Lanka is a much-debated topic. This study aimed to investigate the fluoride concentration in drinking water in CKDu affected areas in Sri Lanka and to evaluate the possible effect of renal impairment on serum fluoride levels in CKDu patients. Drinking water (n = 60) from the common water sources from two CKDu prevalent areas and serum samples of CKDu patients (n = 311) and healthy controls (n = 276) were collected. Both environmental and biological samples were analysed for the concentration of fluoride. The fluoride concentration in over 95% of drinking water samples was below the WHO guideline of 1.5 mg/L. Serum fluoride concentrations in majority of the unaffected and early-stage CKDu patients (stages 1 and 2, eGFR >60 ml/min/1.73m2) were below the normal upper concentration of 50 μg/l and significantly higher levels were observed in patients in late stages of CKDu compared to the healthy controls. The available guidelines for drinking water are solely based on healthy populations with normal renal function. But, it is evident that once the kidney function is impaired, patients enter a vicious cycle as fluoride gradually accumulates in the body, further damaging the kidney tissue. Thus, close monitoring of serum fluoride levels in CKDu patients and establishing health-based target guidelines for fluoride in drinking water for the CKDu patients are recommended to impede the progression to end stage renal disease.
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Affiliation(s)
- Shanika Nanayakkara
- School of Dentistry, Faculty of Medicine and Health, The University of Sydney, Sydney, Australia; Institute of Dental Research, Westmead Centre for Oral Health, Westmead Hospital, Westmead, Australia.
| | - S T M L D Senevirathna
- Faculty of Business, Justice and Behavioural Sciences, School of Engineering, Charles Sturt University, Bathurst, Australia
| | - Kouji H Harada
- Department of Health and Environmental Science, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Rohana Chandrajith
- Department of Geology, Faculty of Science, University of Peradeniya, Sri Lanka
| | - Nishantha Nanayakkara
- Kandy Teaching Hospital and Center for Research and Training on Kidney Diseases, University of Peradeniya, Kandy, Sri Lanka
| | - Akio Koizumi
- Institute of Public Health and Welfare Research, Nakagyoku, Kyoto, Japan
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A prospective cohort study of in utero and early childhood arsenic exposure and infectious disease in 4- to 5-year-old Bangladeshi children. Environ Epidemiol 2020; 4:e086. [PMID: 32656486 PMCID: PMC7319226 DOI: 10.1097/ee9.0000000000000086] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Accepted: 01/19/2020] [Indexed: 12/16/2022] Open
Abstract
Previous research found that infants who were exposed to high levels of arsenic in utero had an increased risk of infectious disease in the first year of life. This prospective study examined the association between arsenic exposures during gestation, and respiratory, diarrheal, and febrile morbidity in children 4–5 years of age.
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Recinella L, Chiavaroli A, Ronci M, Menghini L, Brunetti L, Leone S, Tirillini B, Angelini P, Covino S, Venanzoni R, Zengin G, Simone SD, Ciferri MC, Giacomo VD, Cataldi A, Rapino M, Valerio VD, Orlando G, Ferrante C. Multidirectional Pharma-Toxicological Study on Harpagophytum procumbens DC. ex Meisn.: An IBD-Focused Investigation. Antioxidants (Basel) 2020; 9:E168. [PMID: 32085616 PMCID: PMC7070412 DOI: 10.3390/antiox9020168] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 02/14/2020] [Accepted: 02/17/2020] [Indexed: 02/07/2023] Open
Abstract
In the present study, we investigated the water extract of Harpagophytum procumbens DC. ex Meisn. in an experimental model of inflammatory bowel diseases (IBDs). Additionally, a microbiological investigation was carried out to discriminate the efficacy against bacterial and fungal strains involved in IBDs. Finally, an untargeted proteomic analysis was conducted on more than one hundred colon proteins involved in tissue morphology and metabolism. The extract was effective in blunting the production of oxidative stress and inflammation, including serotonin, prostaglandins, cytokines, and transcription factors. Additionally, the extract inhibited the growth of Candida albicans and C. tropicalis. The extract was also able to exert a pro-homeostatic effect on the levels of a wide plethora of colon proteins, thus corroborating a protective effect. Conversely, the supraphysiological downregulation of cytoskeletal-related proteins involved in tissue morphology and antimicrobial barrier function suggests a warning in the use of food supplements containing H. procumbens extracts.
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Affiliation(s)
- Lucia Recinella
- Department of Pharmacy, University “G. d’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy; (L.R.); (A.C.); (L.M.); (L.B.); (S.L.); (S.D.S.); (M.C.C.); (V.d.G.); (A.C.); (C.F.)
| | - Annalisa Chiavaroli
- Department of Pharmacy, University “G. d’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy; (L.R.); (A.C.); (L.M.); (L.B.); (S.L.); (S.D.S.); (M.C.C.); (V.d.G.); (A.C.); (C.F.)
| | - Maurizio Ronci
- Department of Medical, Oral and Biotechnological Sciences, University “G. d’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy;
| | - Luigi Menghini
- Department of Pharmacy, University “G. d’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy; (L.R.); (A.C.); (L.M.); (L.B.); (S.L.); (S.D.S.); (M.C.C.); (V.d.G.); (A.C.); (C.F.)
| | - Luigi Brunetti
- Department of Pharmacy, University “G. d’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy; (L.R.); (A.C.); (L.M.); (L.B.); (S.L.); (S.D.S.); (M.C.C.); (V.d.G.); (A.C.); (C.F.)
| | - Sheila Leone
- Department of Pharmacy, University “G. d’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy; (L.R.); (A.C.); (L.M.); (L.B.); (S.L.); (S.D.S.); (M.C.C.); (V.d.G.); (A.C.); (C.F.)
| | - Bruno Tirillini
- Department of Biomolecular Sciences, University of Urbino, 61029 Urbino, Italy;
| | - Paola Angelini
- Department of Chemistry, Biology and Biotechnology, University of Perugia, 06100 Perugia, Italy; (P.A.); (S.C.); (R.V.)
| | - Stefano Covino
- Department of Chemistry, Biology and Biotechnology, University of Perugia, 06100 Perugia, Italy; (P.A.); (S.C.); (R.V.)
| | - Roberto Venanzoni
- Department of Chemistry, Biology and Biotechnology, University of Perugia, 06100 Perugia, Italy; (P.A.); (S.C.); (R.V.)
| | - Gokhan Zengin
- Physiology and Biochemistry Laboratory, Department of Biology, Science Faculty, Selcuk University, Campus, 42103 Konya, Turkey
| | - Simonetta Di Simone
- Department of Pharmacy, University “G. d’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy; (L.R.); (A.C.); (L.M.); (L.B.); (S.L.); (S.D.S.); (M.C.C.); (V.d.G.); (A.C.); (C.F.)
| | - Maria Chiara Ciferri
- Department of Pharmacy, University “G. d’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy; (L.R.); (A.C.); (L.M.); (L.B.); (S.L.); (S.D.S.); (M.C.C.); (V.d.G.); (A.C.); (C.F.)
| | - Viviana di Giacomo
- Department of Pharmacy, University “G. d’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy; (L.R.); (A.C.); (L.M.); (L.B.); (S.L.); (S.D.S.); (M.C.C.); (V.d.G.); (A.C.); (C.F.)
| | - Amelia Cataldi
- Department of Pharmacy, University “G. d’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy; (L.R.); (A.C.); (L.M.); (L.B.); (S.L.); (S.D.S.); (M.C.C.); (V.d.G.); (A.C.); (C.F.)
| | - Monica Rapino
- Genetic Molecular Institute of CNR, Unit of Chieti, “G. d’ Annunzio” University, Via dei Vestini 31, 66100 Chieti-Pescara, Italy;
| | - Valentina Di Valerio
- Department of Medicine and Ageing Sciences, “G. d’ Annunzio” University, Via dei Vestini 31, 66100 Chieti-Pescara, Italy;
| | - Giustino Orlando
- Department of Pharmacy, University “G. d’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy; (L.R.); (A.C.); (L.M.); (L.B.); (S.L.); (S.D.S.); (M.C.C.); (V.d.G.); (A.C.); (C.F.)
| | - Claudio Ferrante
- Department of Pharmacy, University “G. d’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy; (L.R.); (A.C.); (L.M.); (L.B.); (S.L.); (S.D.S.); (M.C.C.); (V.d.G.); (A.C.); (C.F.)
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He S, Zhang Z, Sun H, Zhu Y, Cao X, Ye Y, Wang J, Cao Y. Potential effects of rapeseed peptide Maillard reaction products on aging-related disorder attenuation and gut microbiota modulation in d-galactose induced aging mice. Food Funct 2020; 10:4291-4303. [PMID: 31265043 DOI: 10.1039/c9fo00791a] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
As a good flavor enhancer, rapeseed peptide Maillard reaction products (MRPs) were developed, and the effects of MRPs on d-galactose induced aging Kunming mice were investigated for 6 weeks with low (200 mg kg-1 day-1), medium (400 mg kg-1 day-1) and high (800 mg kg-1 day-1) doses. Compared with the natural aging group and d-galactose induced aging mice, the mice with MRP administration showed increases in body weight gain, food intake, organ indexes, feces color and urine fluorescence intensity. MRP intake significantly decreased the MDA content and elevated the activities of CAT, SOD and GSH-Px, and T-AOC in the serum and tissues of the liver, kidney and brain. Additionally, AChE activity was decreased in the brain, while Na+-K+ ATPase and Ca2+-Mg2+ ATPase activity increased in a dose-dependent manner, and decreasing levels of IL-1β, IL-6 and TNF-α were observed in the liver and kidney. Histopathological analysis suggested an attenuation of inflammatory cell infiltration in the liver and kidney without cell necrosis. High-throughput sequencing results revealed that the ratio of Firmicutes to Bacteroidetes increased in MRP groups, and the pathogenic bacteria were significantly inhibited, while some beneficial bacteria were significantly increased in the intestine. Overall, our results indicated that MRP consumption might have potential beneficial effects on postponing the aging process via reducing the oxidative stress and gut microflora modulation.
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Affiliation(s)
- Shudong He
- School of Food and Biological Engineering, Engineering Research Center of Bio-process of Ministry of Education, Hefei University of Technology, Hefei 230009, Anhui, China.
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Bozdağ M, Eraslan G. The effect of diosmin against lead exposure in rats ‡. Naunyn Schmiedebergs Arch Pharmacol 2019; 393:639-649. [PMID: 31792554 DOI: 10.1007/s00210-019-01758-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Accepted: 10/30/2019] [Indexed: 12/18/2022]
Abstract
In this study, the effect of diosmin against the adverse effects of lead exposure in rats was investigated. Wistar Albino race 40 male rats weighing 150-200 g 2-3 months were used. A total of 4 groups were assigned, one of which was control and the other 3 were trial groups. The rats in the control group were treated with dimethyl sulfoxide, which was used only as a vehicle in diosmin administration. Groups 2, 3, and 4 from the experimental group were given diosmin at a dose of 50 mg/kg.bw, lead acetate at the dose of 1000 ppm, lead acetate at the dose of 1000 ppm, and diosmin at a dose of 50 mg/kg.bw for 6 weeks, respectively. Application of lead acetate with drinking water and also diosmin was performed by oral catheter. At the end of the experimental period, blood was taken to dry and with heparin by puncture to the heart under light ether anesthesia. Following the blood samples, some organs of the rats (the liver, kidney, brain, heart, and testis) were removed. Some biochemical parameters (glucose, triglyceride, cholesterol, BUN, creatinine, uric acid, LDH, AST, ALT, ALP, total protein, albumin) were measured in serum. Some oxidative stress parameters in tissue samples and blood (MDA, NO, SOD, CAT, GSH-Px, GSH) were evaluated. Body and organ (the liver, kidney, brain, heart, and testis) weights were also evaluated at the end of the study. No significant change was observed in the parameters examined in the diosmin alone-treated group by comparison to control group. On the other hand, significant changes were found in the values of lead acetate-treated group comparing control group. It was observed that the values approached the values of the control group in the combination of lead and diosmin. Exposure to lead acetate at a dose of 1000 ppm for 6 weeks causes organ damage; however the diosmin application at a dose of 50 mg/kg.bw had a positive effect on the regression of tissue damage.
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Affiliation(s)
- Mehmet Bozdağ
- Department of Veterinary Pharmacology and Toxicology, Institute of Health Sciences, Erciyes University, Kayseri, Turkey
| | - Gökhan Eraslan
- Faculty of Veterinary Medicine, Department of Pharmacology and Toxicology, Erciyes University, Kayseri, Turkey.
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Sousa LE, Favero IFD, Bezerra FS, de Souza ABF, Alzamora AC. Environmental Enrichment Promotes Antioxidant Effect in the Ventrolateral Medulla and Kidney of Renovascular Hypertensive Rats. Arq Bras Cardiol 2019; 113:905-912. [PMID: 31482985 PMCID: PMC7020968 DOI: 10.5935/abc.20190166] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 12/14/2018] [Accepted: 02/13/2019] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Arterial hypertension is a precursor to the development of heart and renal failure, furthermore is associated with elevated oxidative markers. Environmental enrichment of rodents increases performance in memory tasks, also appears to exert an antioxidant effect in the hippocampus of normotensive rats. OBJECTIVES Evaluate the effect of environmental enrichment on oxidative stress in the ventrolateral medulla, heart, and kidneys of renovascular hypertensive rats. METHODS Forty male Fischer rats (6 weeks old) were divided into four groups: normotensive standard condition (Sham-St), normotensive enriched environment (Sham-EE), hypertensive standard condition (2K1C-St), and hypertensive enriched environment (2K1C-EE). Animals were kept in enriched or standard cages for four weeks after all animals were euthanized. The level of significance was at p < 0.05. RESULTS 2K1C-St group presented higher mean arterial pressure (mmHg) 147.0 (122.0; 187.0) compared to Sham-St 101.0 (94.0; 109.0) and Sham-EE 106.0 (90.8; 117.8). Ventrolateral medulla from 2K1C-EE had higher superoxide dismutase (SOD) (49.1 ± 7.9 U/mg ptn) and catalase activity (0.8 ± 0.4 U/mg ptn) compared to SOD (24.1 ± 9.8 U/mg ptn) and catalase activity (0.3 ± 0.1 U/mg ptn) in 2K1C-St. 2K1C-EE presented lower lipid oxidation (0.39 ± 0.06 nmol/mg ptn) than 2K1C-St (0.53 ± 0.22 nmol/mg ptn) in ventrolateral medulla. Furthermore, the kidneys of 2K1C-EE (11.9 ± 2.3 U/mg ptn) animals presented higher superoxide-dismutase activity than those of 2K1C-St animals (9.1 ± 2.3 U/mg ptn). CONCLUSION Environmental enrichment induced an antioxidant effect in the ventrolateral medulla and kidneys that contributes to reducing oxidative damage among hypertensive rats.
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Liu H, Liu Z, Lu T, Zhang L, Cheng J, Fu X, Hou Y. Toxic effects of 1-(N-methyl-N-nitrosamino)-1-(3-pyridinyl)-4-butanal on the maturation and subsequent development of murine oocyte. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 181:370-380. [PMID: 31212185 DOI: 10.1016/j.ecoenv.2019.06.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Revised: 05/31/2019] [Accepted: 06/02/2019] [Indexed: 06/09/2023]
Abstract
Cigarette smoke can cause follicle destruction and oocyte dysfunction and increase the risks of spontaneous abortion, stillbirth, and tubal ectopic pregnancy, affecting female reproductive health. Third-hand smoke (THS) is residual tobacco smoke existing in the environment long after cigarettes are extinguished, which can react with other compounds in the environment to produce secondary pollutants. However, the effects of THS on the female reproductive system, particularly the maturation of the oocyte, remain unclear. 1-(N-methyl-N-nitrosamino)-1-(3-pyridinyl)-4-butanal (NNA), a component of THS, is a logical biomarker of THS exposure. Thus, this study aims to investigate the toxic effects of NNA on the maturation of murine oocytes and subsequent developmental competence. Herein, murine oocytes were exposed to 0 (control group), 0.1, 1.0, 10, and 50 μM NNA for 24 h. Our results showed that NNA exposure reduced the polar body extrusion rate by causing 8-oxo-deoxyguanosine (8-OHdG) to increase and disrupting the meiotic spindle morphology by inhibiting ERK1/2 activation during in vitro maturation. Additionally, NNA exposure resulted in cleavage and blastocyst rate reduction by altering DNA and histone methylations by reducing 5 mC and H3K4me2 levels and by inducing apoptosis caused by mitochondrial dysfunction and reactive oxygen species accumulation, as shown by the increased superoxide dismutase mRNA level and by the decreased Bcl-x mRNA level. Collectively, our results demonstrate that NNA exposure reduces the maturation and developmental capability of murine oocytes by increasing the risk of DNA damage and abnormal spindle morphology, altering epigenetic modifications, and inducing apoptosis, suggesting the toxic effect of NNA on mammalian productive health.
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Affiliation(s)
- Huage Liu
- State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Yuanmingyuan West Rd 2, Haidian District, 100193 Beijing, China
| | - Zhiqiang Liu
- State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Yuanmingyuan West Rd 2, Haidian District, 100193 Beijing, China
| | - Tengfei Lu
- State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Yuanmingyuan West Rd 2, Haidian District, 100193 Beijing, China
| | - Luyao Zhang
- State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Yuanmingyuan West Rd 2, Haidian District, 100193 Beijing, China
| | - Jinmei Cheng
- (b)Nantong University Medical School, Qixiu Rd 19, Chongchuan District, 226001 Nantong, China
| | - Xiangwei Fu
- Key Laboratory of Animal Genetics, Breeding and Reproduction, Ministry of Agriculture and National Engineering Laboratory for Animal Breeding, College of Animal Science and Technology, China Agricultural University, Yuanmingyuan West Rd 2, Haidian District, 100193 Beijing, China
| | - Yunpeng Hou
- State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Yuanmingyuan West Rd 2, Haidian District, 100193 Beijing, China.
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Obesity associated with coal ash inhalation triggers systemic inflammation and oxidative damage in the hippocampus of rats. Food Chem Toxicol 2019; 133:110766. [PMID: 31430511 DOI: 10.1016/j.fct.2019.110766] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Revised: 08/12/2019] [Accepted: 08/16/2019] [Indexed: 02/06/2023]
Abstract
People with large amounts of adipose tissue are more vulnerable and more likely to develop diseases where oxidative stress and inflammation play a pivotal role, than persons with a healthy weight. Atmospheric contamination is a reality to which a large part of the worldwide population is exposed. Half of today's global electrical energy is derived from coal. Each organism, in its complexity, responds in different ways to dietary compounds and air pollution. The objective of this study was to investigate the effects of obesity and coal ash inhalation within the parameters of oxidative damage and inflammation in different regions of the brain of rats. A diet containing high-fat concentration was administered chronically to rats, along with exposure to coal ash, simulating the contamination that occurs daily throughout human life. High-resolution transmission electron microscopy was performed to identify the particles present in coal ash samples. Our results demonstrated that obese rats exposed to coal ash inhalation were more affected by oxidative damage with subsequent systemic inflammation in the hippocampus. Since there is an inflammatory predisposition caused by obesity, the inhalation of nanoparticles increases the levels of free radicals, resulting in systemic inflammation and oxidative damage, which can lead to chronic neurodegeneration.
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Suppression of Mouse AApoAII Amyloidosis Progression by Daily Supplementation with Oxidative Stress Inhibitors. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:1263274. [PMID: 31281565 PMCID: PMC6589291 DOI: 10.1155/2019/1263274] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Accepted: 04/22/2019] [Indexed: 12/20/2022]
Abstract
Amyloidosis is a group of diseases characterized by protein misfolding and aggregation to form amyloid fibrils and subsequent deposition within various tissues. Previous studies have indicated that amyloidosis is often associated with oxidative stress. However, it is not clear whether oxidative stress is involved in the progression of amyloidosis. We administered the oxidative stress inhibitors tempol and apocynin via drinking water to the R1.P1-Apoa2c mouse strain induced to develop mouse apolipoprotein A-II (AApoAII) amyloidosis and found that treatment with oxidative stress inhibitors led to reduction in AApoAII amyloidosis progression compared to an untreated group after 12 weeks, especially in the skin, stomach, and liver. There was no effect on ApoA-II plasma levels or expression of Apoa2 mRNA. Detection of the lipid peroxidation markers 4-hydroxynonenal (4-HNE) and malondialdehyde (MDA) revealed that the antioxidative effects of the treatments were most obvious in the skin, stomach, and liver, which contained higher levels of basal oxidative stress. Moreover, the unfolded protein response was reduced in the liver and was associated with a decrease in oxidative stress and amyloid deposition. These results suggest that antioxidants can suppress the progression of AApoAII amyloid deposition in the improved microenvironment of tissues and that the effect may be related to the levels of oxidative stress in local tissues. This finding provides insights for antioxidative stress treatment strategies for amyloidosis.
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Mahalanobish S, Saha S, Dutta S, Sil PC. Mangiferin alleviates arsenic induced oxidative lung injury via upregulation of the Nrf2-HO1 axis. Food Chem Toxicol 2019; 126:41-55. [PMID: 30769048 DOI: 10.1016/j.fct.2019.02.022] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Revised: 01/15/2019] [Accepted: 02/08/2019] [Indexed: 01/12/2023]
Abstract
Arsenic contaminated drinking water consumption is a serious health issue around the world. Chronic inorganic arsenic exposure has been associated with respiratory dysfunctions. It exerts various detrimental effects, disrupting normal cellular homeostasis and turning on severe pulmonary complications. This study elucidated the role of mangiferin, a natural xanthone, against arsenic induced lung toxicity. Chronic exposure of sodium arsenite (NaAsO2) at 10 mg/kg bw for 3 months abruptly increased the LDH release in broncho-alveolar lavage fluid, generated reactive oxygen species (ROS), impaired the antioxidant defense and distorted the alveoli architecture. It caused significant inflammatory outburst and promoted the apoptotic mode of cell death via upregulating the expressions of various proapoptotic molecules related to mitochondrial, extra-mitochondrial and ER stress mediated apoptotic pathway. Activation of inflammatory cascade led to disruption of alveolar capillary barrier and impaired Na+/K+-ATPase function that led to detaining of alveolar fluid clearance activity. Mangiferin due to its anti-inflammatory activity suppressed this inflammation and reduced inflammatory cell infiltration in lung tissue. It significantly restored the antioxidant balance and inhibited apoptosis in lung via upregulating Nrf2-HO1 axis.
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Affiliation(s)
- Sushweta Mahalanobish
- Division of Molecular Medicine, Bose Institute, P-1/12, CIT Scheme VII M, Kolkata, 700054, India
| | - Sukanya Saha
- Division of Molecular Medicine, Bose Institute, P-1/12, CIT Scheme VII M, Kolkata, 700054, India
| | - Sayanta Dutta
- Division of Molecular Medicine, Bose Institute, P-1/12, CIT Scheme VII M, Kolkata, 700054, India
| | - Parames C Sil
- Division of Molecular Medicine, Bose Institute, P-1/12, CIT Scheme VII M, Kolkata, 700054, India.
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Kaboudanian Ardestani S, Taravati A, Kianmehr Z, Hajizadeh Dastjerdi A, Pourfarzam S, Soroush MR, Naghizadeh MM, Ghazanfari T. Altered levels of GST activity, Vit C, TPX and Cu in individuals with long-term sulfur mustard-induced lung complications. Inhal Toxicol 2019; 30:483-491. [DOI: 10.1080/08958378.2018.1545809] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
| | - Ali Taravati
- Department of Molecular and Cell Biology, Faculty of Basic Sciences, University of Mazandaran, Babolsar, Iran
| | - Zahra Kianmehr
- Department of Cellular and Molecular Biology (Biochemistry), Faculty of Biological Science, North Tehran Branch, Islamic Azad University, Tehran, Iran Azad University, Tehran, Iran
| | | | | | | | | | - Tooba Ghazanfari
- Immunoregulation Research Center, Shahed University, Tehran, Iran
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Singh S, Singh DK, Meena A, Dubey V, Masood N, Luqman S. Rutin protects t‑butyl hydroperoxide-induced oxidative impairment via modulating the Nrf2 and iNOS activity. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2019; 55:92-104. [PMID: 30668448 DOI: 10.1016/j.phymed.2018.07.009] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Revised: 05/21/2018] [Accepted: 07/16/2018] [Indexed: 06/09/2023]
Abstract
BACKGROUND Rutin (quercetin-3-O-rutinoside), a flavonoid, is predominantly found in the buckwheat, cranberries, mulberry and citrus fruits. It is used as a restorative in the preparation of herbal medicine, multivitamin and known to reduce the fate of heart attack. HYPOTHESIS We aimed to elucidate whether rutin attenuates oxidative stress and its possible mechanism of action in ameliorating the deleterious effect of t-BHP. We also provide evidence that rutin protects the antioxidant status of erythrocytes and liver via Nrf2 and iNOS pathway from oxidative stress. STUDY DESIGN/METHOD Human erythrocytes and mice liver were used for the evaluation of rutin's effect against t-BHP induced oxidative stress. The non-enzymatic (GSH, MDA, -CO, -SH) and enzymatic stress markers (SOD, CAT, GPx, GR and GST) were estimated by the colorimetric method. The level of Nrf2, iNOS, liver marker enzymes, triglycerides, cholesterol, HDL-cholesterol, albumin, BUN was measured using ELISA kits. Reactive oxygen species (ROS) was quantified using flow cytometry and fluorometry. RT-PCR was used for the quantification of Nrf2 and iNOS expression levels in the liver tissue of mice. In silico studies were done through receptor-ligand binding interaction. RESULTS Pre-treatment with the rutin ameliorated the toxic effect of t-BHP by modulating the basal level of GSH, -SH, MDA and -CO significantly (p < 0.01) with respect to untreated control. Rutin also protected the erythrocytes against the t-BHP-induced oxidative stress as evidenced by augmented activity of antioxidant enzymes (CAT, SOD, GPX, GR and GST). Furthermore, at the highest tested concentration (16.3 µM), it protected the morphology of the erythrocytes by decreasing the ROS level (p < 0.01). In addition, the lower MEF values of rutin (0.520 ± 0.005) alone or along with t-BHP (0.630 ± 0.021) indicated its non-toxic and protective behavior. The qPCR analyses revealed that t-BHP potently up-regulates the iNOS and down regulate the Nrf2 expression which was ameliorated with rutin treatment in a dose-dependent manner like silymarin. CONCLUSION Our findings demonstrate that rutin potentiates its beneficial aspect by displaying a profound role in iNOS-Nrf2 signaling pathway. Accordingly, it may be concluded that the dietary factors wherein rutin is an ingredient could be helpful in the maintenance of the intracellular redox-homeostasis and thus may be effective against oxidative stress related secondary complications.
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Affiliation(s)
- Shilpi Singh
- Molecular Bioprospection Department of Biotechnology Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow 226015, Uttar Pradesh, India
| | - Dhananjay Kumar Singh
- Molecular Bioprospection Department of Biotechnology Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow 226015, Uttar Pradesh, India
| | - Abha Meena
- Molecular Bioprospection Department of Biotechnology Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow 226015, Uttar Pradesh, India
| | - Vijaya Dubey
- Molecular Bioprospection Department of Biotechnology Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow 226015, Uttar Pradesh, India
| | - Nusrat Masood
- Molecular Bioprospection Department of Biotechnology Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow 226015, Uttar Pradesh, India
| | - Suaib Luqman
- Molecular Bioprospection Department of Biotechnology Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow 226015, Uttar Pradesh, India.
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ATAŞ H, GÖNÜL M, ÖZTÜRK Y, KAVUTÇU M. Ischemic modified albumin as a new biomarker in predicting oxidative stress in alopecia areata. Turk J Med Sci 2019; 49:129-138. [PMID: 30762322 PMCID: PMC7350867 DOI: 10.3906/sag-1708-35] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Background/aim Results show that oxidative stress is a pathophysiologic factor for alopecia areata (AA); however, the markers used can be confounding. Thus, we aimed to investigate the role of oxidative stress in the pathogenesis of AA through an evaluation of ischemia-modified albumin (IMA); other markers of the oxidant/antioxidant system, such as SOD, CAT, GSH-ST, and MDA; and contributing clinical risk factors. Materials and methods The usefulness of IMA as a new marker for oxidative stress was compared with that of other markers and evaluated in patients with AA. Results The mean serum level of IMA was of higher statistical significance in AA patients than in the control group (IMA: 0.57 ± 0.01 vs. 0.52 ± 0.02 ΔABSU, P < 0.0001). IMA (P = 0.03, OR = 25.8, 95% CI = 1.4–482.7) was found to be an independent predictor of oxidative stress in patients with AA. Increased severity of AA was found as an independent risk factor for IMA. Conclusion Long-lasting disease, male sex, >1 site of involvement of disease, and increased severity of disease were correlated with increased oxidation. Presence of AA, male sex, and severe disease were determined to be independent risk factors for antioxidant and oxidant systems. IMA has great potential as a biomarker of oxidative stress in AA when compared to other studied biomarkers.
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Affiliation(s)
- Hatice ATAŞ
- Department of Dermatology, Dışkapı Yıldırım Beyazıt Training and Research Hospital, University of Health Sciences, AnkaraTurkey
- * To whom correspondence should be addressed. E-mail:
| | - Müzeyyen GÖNÜL
- Department of Dermatology, Dışkapı Yıldırım Beyazıt Training and Research Hospital, University of Health Sciences, AnkaraTurkey
| | - Yasin ÖZTÜRK
- Department of Biochemistry, Faculty of Science, Gazi University, AnkaraTurkey
| | - Mustafa KAVUTÇU
- Department of Biochemistry, Faculty of Science, Gazi University, AnkaraTurkey
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Kapp JM, Sumner W. Kombucha: a systematic review of the empirical evidence of human health benefit. Ann Epidemiol 2019; 30:66-70. [DOI: 10.1016/j.annepidem.2018.11.001] [Citation(s) in RCA: 86] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Revised: 10/29/2018] [Accepted: 11/02/2018] [Indexed: 01/30/2023]
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Das SC, Al-Naemi HA. Cadmium Toxicity: Oxidative Stress, Inflammation and Tissue Injury. ACTA ACUST UNITED AC 2019. [DOI: 10.4236/odem.2019.74012] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Amino acid modified [70] fullerene derivatives with high radical scavenging activity as promising bodyguards for chemotherapy protection. Sci Rep 2018; 8:16573. [PMID: 30410075 PMCID: PMC6224443 DOI: 10.1038/s41598-018-34967-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2017] [Accepted: 03/22/2018] [Indexed: 12/21/2022] Open
Abstract
Despite the great efforts for tumor therapy in the last decades, currently chemotherapy induced toxicity remains a formidable problem for cancer patients, and it usually prohibits the cancer therapy from successful completion due to severe side effects. In general, the main side effects of chemotherapeutic agents are from the as-produced reactive oxygen species (ROS) that not only harm the tumor cells but also damage the patients’ organs. Here we report the application of amino acid derivatives of fullerene (AADF) in the chemotherapy which strongly scavenge the excess ROS to protect the tested mice against the chemotherapy-induced hepatotoxicity and cardiotoxicity. Two amino acids, i.e., L-lysine and β-alanine were separately employed to chemically modify C70 fullerene, and L-lysine derivative of fullerene (C70-Lys) exhibits superior radical scavenging activity to β-alanine derivative of C70 (C70-Ala). As expected, C70-Lys show much better protective effect than C70-Ala against the chemotherapy injuries in vivo, which is verified by various histopathological, haematological examinations and antioxidative enzyme studies. Moreover, the L-glutathione level is increased and the cytochrome P-450 2E1 expression is inhibited. They are potentially developed as promising bodyguards for chemotherapy protection.
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Pinto C, Rodriguez-Galdon B, Cestero JJ, Macias P. Processed tomatoes improves the antioxidant status of carbon tetrachloride-intoxicated rat tissues. Eur Food Res Technol 2018. [DOI: 10.1007/s00217-018-3097-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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40
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Zhang Z, Li M, Ma X, Zhou SL, Ren ZW, Qiu YS. GADD45β-I attenuates oxidative stress and apoptosis via Sirt3-mediated inhibition of ER stress in osteoarthritis chondrocytes. Chem Biol Interact 2018; 296:76-82. [PMID: 30237062 DOI: 10.1016/j.cbi.2018.09.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Revised: 08/23/2018] [Accepted: 09/16/2018] [Indexed: 01/01/2023]
Abstract
Osteoarthritis (OA) is one of the most characterized joint diseases associated with chondrocyte apoptosis. JNK plays an important role in apoptosis in many pathological conditions, but systemic inhibition of JNK was shown to result in detrimental side effects. MAPK kinase 7 (MKK7) is a direct upstream kinase that regulates JNK and has been shown to activate JNK specifically under toxic conditions. In this study, we investigated the effect of GADD45β-I, a cell-permeable inhibitor targeted for MKK7, on IL-1β-induced cytotoxicity in rat chondrocytes. The results showed that IL-1β exposure resulted in toxicity in a dose-dependent manner, which was nullified by endoplasmic reticulum (ER) stress inhibitors. GADD45β-I significantly preserved cell survival, inhibited oxidative injury and reduced apoptosis after IL-1β treatment. ER stress in chondrocytes was attenuated by GADD45β-I, as evidenced by reduced levels of GRP78 and CHOP, as well as decreased caspase-12 cleavage. In addition, GADD45β-I increased the enzymatic activities of mitochondrial antioxidant enzymes, including IDH2, GSH-Px and SOD2. GADD45β-I significantly upregulated the expression of Sirt3 and attenuated IL-1β-induced acetylation of SOD2. Furthermore, GADD45β-I-induced inhibition of ER stress and protection in chondrocytes were partially reversed by knockdown of Sirt3. In conclusion, our data indicated that GADD45β-I protected chondrocytes against IL-1β through Sirt3-mediated inhibition of ER stress. Targeting MKK7 might be an ideal therapeutic strategy for reducing chondrocyte apoptosis in OA.
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Affiliation(s)
- Zhi Zhang
- Department of Orthopaedics, The First Affiliated Hospital, College of Medicine, Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China
| | - Meng Li
- Department of Orthopaedics, The First Affiliated Hospital, College of Medicine, Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China
| | - Xing Ma
- Department of Orthopaedics, The First Affiliated Hospital, College of Medicine, Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China
| | - Shuang-Li Zhou
- Department of Orthopaedics, The First Affiliated Hospital, College of Medicine, Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China
| | - Zhi-Wei Ren
- Department of Orthopaedics, The First Affiliated Hospital, College of Medicine, Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China
| | - Yu-Sheng Qiu
- Department of Orthopaedics, The First Affiliated Hospital, College of Medicine, Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China.
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Ameliorative role of ferulic acid against diabetes associated oxidative stress induced spleen damage. Food Chem Toxicol 2018; 118:272-286. [PMID: 29758315 DOI: 10.1016/j.fct.2018.05.029] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Revised: 04/03/2018] [Accepted: 05/10/2018] [Indexed: 01/19/2023]
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Qin SG, Tian HY, Wei J, Han ZH, Zhang MJ, Hao GH, Liu X, Pan LF. 3-Bromo-4,5-Dihydroxybenzaldehyde Protects Against Myocardial Ischemia and Reperfusion Injury Through the Akt-PGC1α-Sirt3 Pathway. Front Pharmacol 2018; 9:722. [PMID: 30042676 PMCID: PMC6048356 DOI: 10.3389/fphar.2018.00722] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Accepted: 06/13/2018] [Indexed: 02/05/2023] Open
Abstract
Natural marine products are useful candidates for the treatment of oxidative and inflammatory diseases, including myocardial ischemia. 3-bromo-4,5 - dihydroxybenzaldehyde (BDB), a natural bromophenol isolated from marine red algae, has been shown to display anti-microbial, anti-oxidative, anti-cancer, anti-inflammatory, and free radical scavenging activities. In this study, the potential protective effects of BDB against myocardial ischemia and reperfusion (IR) injury was investigated in an in vitro model mimicked by oxygen and glucose deprivation (OGD) in cardiomyocytes and in an in vivo model induced by coronary artery ligation in rats. The results showed that BDB attenuated the OGD-induced cytotoxicity in a dose-dependent manner, with no toxic effect when treated alone. BDB significantly decreased apoptosis and the cleavage of caspase-3 after OGD. We found that OGD-induced oxidative stress, as evidenced by increases of reactive oxygen species (ROS) and lipid peroxidation, as well as mitochondrial dysfunction, as measured by mitochondrial reporter gene, cytochrome c release and ATP synthesis, were markedly attenuated by BDB treatment. In addition, BDB increased the enzymatic activities of mitochondrial antioxidant enzymes, including IDH2, GSH-Px and SOD2. Western blot analysis showed that BDB increased Akt phosphorylation and upregulated the expression of Sirt3 and PGC1α after OGD. Furthermore, BDB-induced protection in cardiomyocytes was partially reversed by the Akt inhibitor and downregulation of PGC1α. BDB also attenuated myocardial contractile dysfunction and activated the Akt-PGC1α-Sirt3 pathway in vivo. All these data suggest that BDB protects against myocardial IR injury through activating the Akt-PGC1α-Sirt3 pathway.
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Affiliation(s)
- Shu-Guang Qin
- Department of Cardiology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an Jiaotong University, Xi'an, China
| | - Hong-Yan Tian
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an Jiaotong University, Xi'an, China
| | - Jin Wei
- Department of Cardiology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an Jiaotong University, Xi'an, China
| | - Zhen-Hua Han
- Department of Cardiology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an Jiaotong University, Xi'an, China
| | - Ming-Juan Zhang
- Department of Cardiology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an Jiaotong University, Xi'an, China
| | - Guang-Hua Hao
- Department of Cardiology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an Jiaotong University, Xi'an, China
| | - Xin Liu
- Department of Cardiology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an Jiaotong University, Xi'an, China
| | - Long-Fei Pan
- Department of Emergency Medicine, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an Jiaotong University, Xi'an, China
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Gao Z, Wang H, Zhang B, Wu X, Zhang Y, Ge P, Chi G, Liang J. Trehalose inhibits H 2O 2-induced autophagic death in dopaminergic SH-SY5Y cells via mitigation of ROS-dependent endoplasmic reticulum stress and AMPK activation. Int J Med Sci 2018; 15:1014-1024. [PMID: 30013443 PMCID: PMC6036158 DOI: 10.7150/ijms.25656] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Accepted: 05/21/2018] [Indexed: 01/30/2023] Open
Abstract
Autophagy is a catabolic process to maintain intracellular homeostasis via removal of cytoplasmic macromolecules and damaged cellular organelles through lysosome-mediated degradation. Trehalose is often regarded as an autophagy inducer, but we reported previously that it could prevent ischemic insults-induced autophagic death in neurons. Thus, we further investigated in this study whether trehalose could protect human dopaminergic SH-SY5Y cells against H2O2-induced lethal autophagy. We found pretreatment with trehalose not only prevented H2O2-induced death in SH-SY5Y cells, but also reversed H2O2-induced upregulation of LC3II, Beclin1 and ATG5 and downregulation of p62. Then, we proved that either autophagy inhibitor 3MA or genetic knockdown of ATG5 prevented H2O2-triggered death in SH-SY5Y cells. These indicated that trehalose could inhibit H2O2-induced autophagic death in SH-SY5Y cells. Further, we found that trehalose inhibited H2O2-induced AMPK activation and endoplasmic reticulum (ER) stress. Moreover, inhibition of AMPK activation with compound C or alleviation of ER stress with chemical chaperone 4-PBA obviously attenuated H2O2-induced changes in autophagy-related proteins. Notably, we found that trehalose inhibited H2O2-induced increase of intracellular ROS and reduction in the activities of CAT and SOD. Consistently, our data revealed as well that mitigation of intracellular ROS levels with antioxidant NAC markedly attenuated H2O2-induced AMPK activation and ER stress. Therefore, we demonstrated in this study that trehalose prevented H2O2-induced autophagic death in SH-SY5Y cells via mitigation of ROS-dependent endoplasmic reticulum stress and AMPK activation.
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Affiliation(s)
- Zhijie Gao
- Department of Neurosurgery, First hospital of Jilin University, Changchun 130021, China
| | - Helei Wang
- Department of Gastrointestinal Surgery, First hospital of Jilin University, Changchun 130021, China
| | - Bo Zhang
- Department of Pediatric Neurology, First hospital of Jilin University, Changchun 130021, China
| | - Xuemei Wu
- Department of Pediatric Neurology, First hospital of Jilin University, Changchun 130021, China
| | - Yanfeng Zhang
- Department of Pediatric Neurology, First hospital of Jilin University, Changchun 130021, China
| | - Pengfei Ge
- Department of Neurosurgery, First hospital of Jilin University, Changchun 130021, China
- Research center of neuroscience, First hospital of Jilin University, Changchun 130021, China
| | - Guangfan Chi
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun 130021, China
| | - Jianmin Liang
- Department of Pediatric Neurology, First hospital of Jilin University, Changchun 130021, China
- Research center of neuroscience, First hospital of Jilin University, Changchun 130021, China
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Chung APYS, Gurtu S, Chakravarthi S, Moorthy M, Palanisamy UD. Geraniin Protects High-Fat Diet-Induced Oxidative Stress in Sprague Dawley Rats. Front Nutr 2018; 5:17. [PMID: 29616223 PMCID: PMC5864930 DOI: 10.3389/fnut.2018.00017] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Accepted: 02/27/2018] [Indexed: 12/02/2022] Open
Abstract
Geraniin, a hydrolysable polyphenol derived from Nephelium lappaceum L. fruit rind, has been shown to possess significant antioxidant activity in vitro and recently been recognized for its therapeutic potential in metabolic syndrome. This study investigated its antioxidative strength and protective effects on organs in high-fat diet (HFD)-induced rodents. Rats were fed HFD for 6 weeks to induce obesity, followed by 10 and 50 mg/kg of geraniin supplementation for 4 weeks to assess its protective potential. The control groups were maintained on standard rat chows and HFD for the same period. At the 10th week, oxidative status was assessed and the pancreas, liver, heart and aorta, kidney, and brain of the Sprague Dawley rats were harvested and subjected to pathological studies. HFD rats demonstrated changes in redox balance; increased protein carbonyl content, decreased levels of superoxide dismutase, glutathione peroxidase, and glutathione reductase with a reduction in the non-enzymatic antioxidant mechanisms and total antioxidant capacity, indicating a higher oxidative stress (OS) index. In addition, HFD rats demonstrated significant diet-induced changes particularly in the pancreas. Four-week oral geraniin supplementation, restored the OS observed in the HFD rats. It was able to restore OS biomarkers, serum antioxidants, and the glutathione redox balance (reduced glutathione/oxidized glutathione ratio) to levels comparable with that of the control group, particularly at dosage of 50 mg geraniin. Geraniin was not toxic to the HFD rats but exhibited protection against glucotoxicity and lipotoxicity particularly in the pancreas of the obese rodents. It is suggested that geraniin has the pharmaceutical potential to be developed as a supplement to primary drugs in the treatment of obesity and its pathophysiological sequels.
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Affiliation(s)
- Alexis Panny Y S Chung
- School of Medicine and Health Sciences, Monash University Malaysia, Sunway City, Malaysia
| | - Sunil Gurtu
- School of Medicine and Health Sciences, Monash University Malaysia, Sunway City, Malaysia
| | | | - Mohanambal Moorthy
- School of Medicine and Health Sciences, Monash University Malaysia, Sunway City, Malaysia
| | - Uma D Palanisamy
- School of Medicine and Health Sciences, Monash University Malaysia, Sunway City, Malaysia
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Büyükşekerci M, Bal C, Serkant U, Gündüzöz M, Alışık M, Tutkun E, Yılmaz ÖH. Alteration of thiol-disulfide homeostasis in workers occupationally exposed to arsenic. ARCHIVES OF ENVIRONMENTAL & OCCUPATIONAL HEALTH 2018; 73:90-95. [PMID: 28136082 DOI: 10.1080/19338244.2017.1287047] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Accepted: 01/23/2017] [Indexed: 06/06/2023]
Abstract
This study evaluates the redox state in occupationally arsenic-exposed workers (n = 71) by assessing the dynamic serum thiol-disulfide homeostasis. We determined the serum thiol-disulfide homeostasis parameters of exposed workers and controls (n = 43) using a novel automated colorimetric assay. Median urinary As and 8-isoprostane levels of exposed group were significantly higher than control group (16.40 μg/L vs 2μg/L, p < .001 and 2.28 ng/ml vs 0.54 ng/ml, p < .001, respectively). Disulfide level, disulfide/native thiol ratio, and disulfide/total thiol ratio were significantly higher in exposed group. The mean ceruloplasmine and myeloperoxidase activities of As-exposed group were significantly higher than control group (117.15 U/L vs 87.02 U/L, p = .035 and 148.53 U/L vs 97.75 U/L, p = .000, respectively). The median catalase activity did not differ in the two groups. Our findings revealed that As disrupts the thiol-disulfide homeostasis in favor of disulfide.
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Affiliation(s)
- Murat Büyükşekerci
- a Department of Pharmacology , Occupational Diseases Hospital , Ankara , Turkey
| | - Ceylan Bal
- b Department of Biochemistry , Yıldırım Beyazıt University , Ankara , Turkey
| | - Utku Serkant
- c Department of Biochemistry , Gölbaşı Hasvak State Hospital , Ankara , Turkey
| | - Meşide Gündüzöz
- d Department of Family Medicine , Occupational Diseases Hospital , Ankara , Turkey
| | - Murat Alışık
- b Department of Biochemistry , Yıldırım Beyazıt University , Ankara , Turkey
| | - Engin Tutkun
- e Department of Public Health , Bozok University , Yozgat , Turkey
| | - Ömer Hınç Yılmaz
- f Department of Public Health , Yıldırım Beyazıt University , Ankara , Turkey
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Sadhukhan P, Saha S, Dutta S, Mahalanobish S, Sil PC. Nutraceuticals: An emerging therapeutic approach against the pathogenesis of Alzheimer’s disease. Pharmacol Res 2018; 129:100-114. [PMID: 29183770 DOI: 10.1016/j.phrs.2017.11.028] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Revised: 11/22/2017] [Accepted: 11/22/2017] [Indexed: 01/01/2023]
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47
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Huo J, Dong A, Niu X, Dong A, Lee S, Ma C, Wang L. Effects of cadmium on oxidative stress activities in plasma of freshwater turtle Chinemys reevesii. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:8027-8034. [PMID: 29305804 DOI: 10.1007/s11356-017-1139-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2017] [Accepted: 12/26/2017] [Indexed: 05/24/2023]
Abstract
Cadmium (Cd) has been recently found in high concentrations in the aquatic environment. This study was designed to examine the effects of Cd on the oxidative stress activities in plasma of freshwater turtle Chinemys reevesii. Experimental turtles were exposed to Cd at the concentration of 15 mg/kg by intraperitoneal injection, and redox status was investigated. Compared to the controls, superoxide dismutase (SOD) and catalase activities in plasma of the treated animals significantly decreased in week 1, week 2, and week 4. However, SOD activities gradually increased from week 4 to week 8. The treated animals had higher content of MDA and lower content of GSH in plasma over the observation period. In conclusion, our results showed that Cd decreased the antioxidant capacity and increased the level of oxidative damage product in plasma, which suggest that Cd causes oxidative stress and damage in the animal under the experimental conditions.
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Affiliation(s)
- Junfeng Huo
- School of Life Science, Shanxi University, Taiyuan, Shanxi Province, China
- The Key Research Laboratory of Benefiting Qi for Acting Blood Circulation Method to Treat Multiple Sclerosis of State Administration of Traditional Chinese Medicine, Shanxi University of Traditional Chinese Medicine, Taiyuan, Shanxi Province, China
| | - Aiguo Dong
- The Key Research Laboratory of Benefiting Qi for Acting Blood Circulation Method to Treat Multiple Sclerosis of State Administration of Traditional Chinese Medicine, Shanxi University of Traditional Chinese Medicine, Taiyuan, Shanxi Province, China.
| | - Xiaojun Niu
- The Key Research Laboratory of Benefiting Qi for Acting Blood Circulation Method to Treat Multiple Sclerosis of State Administration of Traditional Chinese Medicine, Shanxi University of Traditional Chinese Medicine, Taiyuan, Shanxi Province, China
| | - Ailing Dong
- QianAn agriculture Animal Husbandry and Fishery Bureau, Tangshan, Hebei Province, China
| | - Shaochin Lee
- School of Life Science, Shanxi University, Taiyuan, Shanxi Province, China.
| | - Cungen Ma
- Institute of Brain Science, Shanxi Datong University, Datong, Shanxi Province, China.
| | - Lan Wang
- School of Life Science, Shanxi University, Taiyuan, Shanxi Province, China.
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Liu WY, Liou SS, Hong TY, Liu IM. The Benefits of the Citrus Flavonoid Diosmin on Human Retinal Pigment Epithelial Cells under High-Glucose Conditions. Molecules 2017; 22:molecules22122251. [PMID: 29258224 PMCID: PMC6149669 DOI: 10.3390/molecules22122251] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2017] [Revised: 12/02/2017] [Accepted: 12/08/2017] [Indexed: 12/22/2022] Open
Abstract
We investigate diosmin for its effect on the ARPE-19 human retinal pigment epithelial cells exposed to high glucose, a model of diabetic retinopathy (DR). After incubation for 4 days with a normal (5 mmol/L) concentration of D-glucose, ARPE-19 cells were exposed separately to normal or high concentrations of D-glucose (30 mmol/L) with or without diosmin at different concentrations (0.1, 1, 10 μg/mL) for another 48 h. Next, we assessed cell viability, reactive oxygen species (ROS) generation and antioxidant enzyme activities. In order to examine the underlying molecular mechanisms, we meanwhile analyzed the expressions of Bax, Bcl-2, total and phosphorylated JNK and p38 mitogen-activated protein kinase (MAPK). Diosmin dose dependently enhanced cell viability following high glucose treatment in ARPE-19 cells. The activities of superoxide dismutase and glutathione peroxidase, as well as the levels of reduced glutathione were decreased, while it was observed that levels of ROS in high glucose cultured ARPE-19 cells increased. High glucose also disturbed Bax and Bcl-2 expression, interrupted Bcl-2/Bax balance, and triggered subsequent cytochrome c release into the cytosol and activation of caspase-3. These detrimental effects were ameliorated dose dependently by diosmin. Furthermore, diosmin could abrogate high glucose-induced apoptosis as well as JNK and P38 MAPK phosphorylation in ARPE-19 cells. Our results suggest that treatment ARPE-19 cells with diosmin halts hyperglycemia-mediated oxidative damage and thus this compound may be a candidate for preventing the visual impairment caused by DR.
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Affiliation(s)
- Wayne Young Liu
- Department of Urology, Jen-Ai Hospital, Taichung City 41625, Taiwan.
- Center for Basic Medical Science, College of Health Science, Central Taiwan University of Science and Technology, Taichung City 40601, Taiwan.
| | - Shorong-Shii Liou
- Department of Pharmacy and Master Program, College of Pharmacy and Health Care, Tajen University, Pingtung County 90741, Taiwan.
| | - Tang-Yao Hong
- Department of Biotechnology, College of Pharmacy and Health Care, Tajen University, Pingtung County 90741, Taiwan.
| | - I-Min Liu
- Department of Pharmacy and Master Program, College of Pharmacy and Health Care, Tajen University, Pingtung County 90741, Taiwan.
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Rashid K, Chowdhury S, Ghosh S, Sil PC. Curcumin attenuates oxidative stress induced NFκB mediated inflammation and endoplasmic reticulum dependent apoptosis of splenocytes in diabetes. Biochem Pharmacol 2017; 143:140-155. [PMID: 28711624 DOI: 10.1016/j.bcp.2017.07.009] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2017] [Accepted: 07/10/2017] [Indexed: 12/31/2022]
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50
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Ravan AP, Bahmani M, Ghasemi Basir HR, Salehi I, Oshaghi EA. Hepatoprotective effects of Vaccinium arctostaphylos against CCl4-induced acute liver injury in rats. J Basic Clin Physiol Pharmacol 2017; 28:463-471. [PMID: 28467312 DOI: 10.1515/jbcpp-2016-0181] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2016] [Accepted: 03/03/2017] [Indexed: 06/07/2023]
Abstract
BACKGROUND This study was carried out to evaluate the antioxidant and hepatoprotective effects of Vaccinium arctostaphylos (V.a) methanolic extract on carbon tetrachloride (CCl4)-induced acute liver injury in Wistar rats. METHODS Total phenolic and total flavonoid contents as well as antioxidant activity of V.a were determined. Extracts of V.a at doses of 200 and 400 mg/kg were administered by oral gavage to rats once per day for 7 days and then were given an intraperitoneal injection of 1 mL/kg CCl4 (1:1 in olive oil) for 3 consecutive days. Serum biochemical markers of liver injury, oxidative markers, as well as hydroxyproline (HP) content and histopathology of liver were evaluated. RESULTS The obtained results showed that V.a had strong antioxidant activity. Treatment of rats with V.a blocked the CCl4-induced elevation of serum markers of liver function and enhanced albumin and total protein levels. The level of hepatic HP content was also reduced by the administration of V.a treatment. Histological examination of the liver section revealed that V.a prevented the occurrence of pathological changes in CCl4-treated rats. CONCLUSIONS These findings suggested that V.a may be useful in the treatment and prevention of hepatic injury induced by CCl4.
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