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Insights into the complexation and oxidation of quercetin and luteolin in aqueous solutions in presence of selected metal cations. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Mishra DK, Awasthi H, Srivastava D, Fatima Z. Phytochemical: a treatment option for heavy metal induced neurotoxicity. JOURNAL OF COMPLEMENTARY & INTEGRATIVE MEDICINE 2022; 19:513-530. [PMID: 35749142 DOI: 10.1515/jcim-2020-0325] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Accepted: 05/23/2022] [Indexed: 06/15/2023]
Abstract
Heavy metals are known to be carcinogenic, mutagenic, and teratogenic. Some heavy metals are necessary while present in the growing medium in moderate concentrations known to be essential heavy metals as they required for the body functioning as a nutrient. But there are some unwanted metals and are also toxic to the environment and create a harmful impact on the body, which termed to be non-essential heavy metals. Upon exposure, the heavy metals decrease the major antioxidants of cells and enzymes with the thiol group and affect cell division, proliferation, and apoptosis. It interacts with the DNA repair mechanism and initiates the production of reactive oxygen species (ROS). It subsequently binds to the mitochondria and may inhibit respiratory and oxidative phosphorylation in even low concentrations. This mechanism leads to damage antioxidant repair mechanism of neuronal cells and turns into neurotoxicity. Now, phytochemicals have led to good practices in the health system. Phytochemicals that are present in the fruits and herbs can preserve upon free radical damage. Thus, this review paper summarized various phytochemicals which can be utilized as a treatment option to reverse the effect of the toxicity caused by the ingestion of heavy metals in our body through various environmental or lifestyles ways.
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Affiliation(s)
| | - Himani Awasthi
- Amity Institute of Pharmacy, Amity University, Lucknow, India
| | | | - Zeeshan Fatima
- Amity Institute of Pharmacy, Amity University, Lucknow, India
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3
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Iram F, Batool S, Shameem S, Aslam I, Batool S, Shaheen M, Aziz R. Effect of aqueous garlic (Allium sativum) extract against di-(2-ethylhexyl) phthalate induced reproductive toxicity in male mice. Andrologia 2022; 54:e14480. [PMID: 35670728 DOI: 10.1111/and.14480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 04/15/2022] [Accepted: 04/22/2022] [Indexed: 11/30/2022] Open
Abstract
This study was designed to investigate testicular and male reproductive tract histopathologies and lipid profile against di-ethylhexyl phthalate (DEHP) exposure in mice and curative potentials of aqueous garlic (Allium sativum) extract. Four groups (n = 10) were named and treated as follow (a) control (C): (normal feed and drinking water + 0.2 ml corn oil); (b) aqueous garlic extract group (AGE): (500 mg/kg body weight of aqueous garlic extract); (c) DEHP group: (500 mg/kg body weight of DEHP, dissolved in corn oil; (d) AGE + DEHP group (500 mg/kg body weight garlic aqueous extract, and DEHP 500 mg/kg body weight dissolved in corn oil). The doses were given once daily through gavages for 28 days and on the 29th day, all the animals were euthanized through cervical dislocation and reproductive organs and blood samples were collected. The results showed that exposure to DEHP caused a significant effect on body weight, testicular weight, serum cholesterol, triglycerides, lipid profile, average cross-sectional area (ACSA) of the seminiferous tubule, ACSA of the lumen of seminiferous tubule, spermatogenic cells, Leydig's cells number, vas deferens diameter, lumen, muscular thickness, and epithelial cell height of vas deferens. This study revealed that exposure to DEHP can be injurious to male reproductive health and aqueous garlic extract can decrease the toxic effects of DEHP in male mice.
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Affiliation(s)
- Fatima Iram
- Department of Zoology, University of Sargodha, Sargodha, Pakistan
| | - Sajida Batool
- Department of Zoology, University of Sargodha, Sargodha, Pakistan
| | - Sitara Shameem
- Department of Zoology, University of Sargodha, Sargodha, Pakistan
| | - Iqra Aslam
- Department of Zoology, University of Sargodha, Sargodha, Pakistan
| | - Saira Batool
- Department of Zoology, University of Sargodha, Sargodha, Pakistan
| | - Marrium Shaheen
- Department of Zoology, University of Sargodha, Sargodha, Pakistan
| | - Riqza Aziz
- Department of Zoology, University of Sargodha, Sargodha, Pakistan
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Abstract
Arsenic toxicity is a major concern due to its deleterious consequences for human health. Rapid industrialization also has weakened the quality of the environment by introducing pollutants that may disrupt balanced ecosystems, adversely and irreversibly impacting humans, plants, and animals. Arsenic, an important toxicant among all environmental hazards, can lead to several detrimental effects on cells and organs, impacting the overall quality of life. Nevertheless, arsenic also has a rich history as a chemotherapeutic agent used in ancient days for the treatment of diseases such as malaria, cancer, plague, and syphilis when other chemotherapeutic agents were yet to be discovered. Arsenicosis-mediated disorders remain a serious problem due to the lack of effective therapeutic options. Initially, chelation therapy was used to metabolically eliminate arsenic by forming a complex, but adverse effects limited their pharmacological use. More recently, plant-based products have been found to provide significant relief from the toxic effects of arsenic poisoning. They act by different mechanisms affecting various cellular processes. Phytoconstituents such as curcumin, quercetin, diallyl trisulfide, thymoquinone, and others act via various molecular pathways, primarily by attenuating oxidative damage, membrane damage, DNA damage, and proteinopathies. Nonetheless, most of the phytochemicals reviewed here protect against the adverse effects of metal or metalloid exposure, supporting their consideration as alternatives to chelation therapy. These agents, if used prophylactically and in conjunction with other chemotherapeutic agents, may provide an effective approach for management of arsenic toxicity. In a few instances, such strategies like coadministration of phytochemicals with a known chelating agent have led to more pronounced elimination of arsenic from the body with lesser off-site adverse effects. This is possible because combination treatment ensures the use of a reduced dose of chelating agent with a phytochemical without compromising treatment. Thus, these therapies are more practical than conventional therapeutic agents in ameliorating arsenic-mediated toxicity. This review summarizes the potential of phytochemicals in alleviating arsenic toxicity on the basis of available experimental and clinical evidence.
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Affiliation(s)
- Sabiya Samim Khan
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research, Hyderabad 500037, India
| | - Ankita Sharma
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research-Raebareli, Lucknow 226020, India
| | - Swaran J S Flora
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research-Raebareli, Lucknow 226020, India
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Okeke ES, Okagu IU, Okoye CO, Ezeorba TPC. The use of calcium carbide in food and fruit ripening: potential mechanisms of toxicity to humans and future prospects. Toxicology 2022; 468:153112. [DOI: 10.1016/j.tox.2022.153112] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 01/10/2022] [Accepted: 01/27/2022] [Indexed: 01/30/2023]
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Yang Y, Chi L, Lai Y, Hsiao YC, Ru H, Lu K. The gut microbiome and arsenic-induced disease-iAs metabolism in mice. Curr Environ Health Rep 2021; 8:89-97. [PMID: 33852125 PMCID: PMC8728881 DOI: 10.1007/s40572-021-00305-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/29/2021] [Indexed: 12/26/2022]
Abstract
PURPOSE OF REVIEW This review summarizes inorganic arsenic (iAs) metabolism and toxicity in mice and the gut microbiome and how iAs and the gut microbiome interact to induce diseases. RECENT FINDINGS Recently, a variety of studies have started to reveal the interactions between iAs and the gut microbiome. Evidence shows that gut bacteria can influence iAs biotransformation and disease risks. The gut microbiome can directly metabolize iAs, and it can also indirectly be involved in iAs metabolism through the host, such as altering iAs absorption, cofactors, and genes related to iAs metabolism. Many factors, such as iAs metabolism influenced by the gut microbiome, and microbiome metabolites perturbed by iAs can lead to different disease risks. iAs is a widespread toxic metalloid in environment, and iAs toxicity has become a global health issue. iAs is subject to metabolic reactions after entering the host body, including methylation, demethylation, oxidation, reduction, and thiolation. Different arsenic species, including trivalent and pentavalent forms and inorganic and organic forms, determine their toxicity. iAs poisoning is predominately caused by contaminated drinking water and food, and chronic arsenic toxicity can cause various diseases. Therefore, studies of iAs metabolism are important for understanding iAs associated disease risks.
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Affiliation(s)
- Yifei Yang
- Department of Environmental Sciences and Engineering, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Liang Chi
- Department of Environmental Sciences and Engineering, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Yunjia Lai
- Department of Environmental Sciences and Engineering, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Yun-Chung Hsiao
- Department of Environmental Sciences and Engineering, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Hongyu Ru
- Department of Environmental Sciences and Engineering, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Kun Lu
- Department of Environmental Sciences and Engineering, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA.
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Al-Megrin WA, Metwally DM, Habotta OA, Amin HK, Abdel Moneim AE, El-Khadragy M. Nephroprotective effects of chlorogenic acid against sodium arsenite-induced oxidative stress, inflammation, and apoptosis. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2020; 100:5162-5170. [PMID: 32519758 DOI: 10.1002/jsfa.10565] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 05/05/2020] [Accepted: 06/10/2020] [Indexed: 05/25/2023]
Abstract
BACKGROUND Chronic exposure to arsenic (As) leads to serious renal disorders. Chlorogenic acid (CGA), a phenolic compound, has several well known physiological benefits, including antioxidant and anti-inflammatory activities. The present study investigated the potential renoprotective effects of CGA on sodium arsenite (NaAsO2 )-induced kidney damage in mice. The mice were randomly allocated into five groups to receive daily treatment with CGA (200 mg kg-1 ), NaAsO2 (5 mg kg-1 ), NaAsO2 + CGA (100 mg kg-1 ), NaAsO2 + CGA (200 mg kg-1 ), or a control for 28 days. RESULTS In the NaAsO2 -treated group, NaAsO2 induced significant renal dysfunction, oxidative damage, inflammation, and apoptosis, as demonstrated by marked increases in urea and creatinine levels accompanied by a decrease in the kidney index. Considerable increases in malondialdehyde and nitric oxide levels and parallel decreases in various antioxidant markers (superoxide dismutase, catalase, glutathione peroxidase, glutathione reductase, and glutathione) levels were also detected in the renal tissues of NaAsO2 -treated mice. NaAsO2 exposure was associated with marked increases in renal inflammatory markers (interleukin-1β and tumor necrosis factor-α) and apoptosis indicators including Bax and caspase-3 levels contaminant, with a marked decrease in Bcl-2, an anti-apoptotic protein, in the NaAsO2 -treated group compared with the control group. However, pretreatment with CGA substantially mitigated the renal injury and dysfunction associated with NaAsO2 exposure by reducing tissue inflammation and apoptosis and improving the antioxidant status. The CGA pretreatment also alleviated the NaAsO2 -induced histological alterations in renal tissues. CONCLUSION Taken together, our results suggest the efficacy of CGA in alleviating As-mediated renal tissue damage. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Wafa A Al-Megrin
- Biology Department, Faculty of Science, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Dina M Metwally
- Zoology Department, Faculty of Science, King Saud University, Riyadh, Saudi Arabia
- Parasitology Department, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
| | - Ola A Habotta
- Forensic Medicine and Toxicology Department, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - Hatem K Amin
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy, Helwan University, Cairo, Egypt
| | - Ahmed E Abdel Moneim
- Zoology and Entomology Department, Faculty of Science, Helwan University, Cairo, Egypt
| | - Manal El-Khadragy
- Biology Department, Faculty of Science, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
- Zoology and Entomology Department, Faculty of Science, Helwan University, Cairo, Egypt
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Kumar V, Akhouri V, Singh SK, Kumar A. Phytoremedial effect of Tinospora cordifolia against arsenic induced toxicity in Charles Foster rats. Biometals 2020; 33:379-396. [PMID: 33026605 DOI: 10.1007/s10534-020-00256-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Accepted: 09/30/2020] [Indexed: 10/23/2022]
Abstract
Arsenic poisoning is one of the most serious health hazards of recent times. It has been estimated that more than 200 million people of about 105 countries in the world are affected due to arsenic poisoning. Except mitigation, there is no such mode by which the population can be prevented from being exposed to arsenic. Tinospora cordifolia (T. cordifolia) is widely used in the folk medicine system for the treatment of various diseases. Hence, the aim of the present study was to investigate the antidote effects of ethanolic extract of T. cordifolia stem against arsenic induced hepato-renal toxicity in rat model. Twenty-four male Charles Foster rats (weighing 160-180 g) were randomly divided into two groups, where six rats were used as control group. Eighteen rats were orally treated with arsenic at the dose of 8 mg/kg body weight for 90 days daily and then further divided into three sub groups (n = 6 each). Sub group I-arsenic treated rats, were sacrificed after treatment; sub group II rats were used as arsenic control and the sub group III rats were administrated with T. cordifolia at the dose of 400 mg/kg body weight/day for 90 days. After the completion of dose duration, all the control and treatment group rats were sacrificed to evaluate the various parameters. Arsenic induced rats had significantly (p < 0.0001) altered biochemical serum levels of SGPT, SGOT, ALP, total bilirubin, urea, uric acid, creatinine and albumin; But, after the administration of T. cordifolia there was significant (p < 0.0001) restoration observed in these liver and kidney function parameters. The T. cordifolia administration also significantly (p < 0.0001) restored the serum MDA levels and arsenic concentration in blood, liver and kidney tissues, as well as significant (p < 0.0001) improvement in haematological variables. In histopathological study, the arsenic treated rats showed degenerative changes in the liver and kidney tissues such as lesions and vacuolizations in hepatocytes and nephrocytes respectively. However, after the administration with T. cordifolia rats, there was considerably significant restoration in liver and kidney tissues. The entire study suggests that arsenic caused severe damage to the liver and kidney at haematological, biochemical and histopathological levels in rats. However, T. cordifolia played the vital role to combat the arsenic induced toxicity in rats. Hence, T. cordifolia might be used as a nutritional supplement to combat the arsenic led toxicity among the exposed population.
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Affiliation(s)
- Vikas Kumar
- Anugrah Narayan College, Patna, Bihar, India
| | | | | | - Arun Kumar
- Mahavir Cancer Sansthan and Research Centre, Patna, Bihar, 801505, India.
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Renu K, Saravanan A, Elangovan A, Ramesh S, Annamalai S, Namachivayam A, Abel P, Madhyastha H, Madhyastha R, Maruyama M, Balachandar V, Valsala Gopalakrishnan A. An appraisal on molecular and biochemical signalling cascades during arsenic-induced hepatotoxicity. Life Sci 2020; 260:118438. [PMID: 32949585 DOI: 10.1016/j.lfs.2020.118438] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Revised: 08/22/2020] [Accepted: 09/09/2020] [Indexed: 12/11/2022]
Abstract
Arsenic is a ubiquitous metalloid compound commonly found in the environment, and it is usually found in combination with sulphur and metals. Arsenic is considered as a therapeutic as well as poisoning agent since ancient times. It causes toxic effects on different organs, mainly the liver. In this review, we focused on the molecular mechanism of arsenic-induced hepatotoxicity. Here we envisaged the bridge between arsenic and hepatotoxicity with particular focus on the level of hepatic enzymes such as ALT, AST, and ALP. Here, we attempted to elucidate the role of arsenic in redox imbalance on increased oxidative stress (elevated level of ROS, MDA and NO) and decreased antioxidant levels such as reduced GSH, catalase, and SOD. Oxidative stress induces mitochondrial dysfunction via apoptosis (AKT-PKB, MAPK, PI3/AKT, PKCδ-JNK, AKT/ERK, p53 pathways), fibrosis (TGF-β/Smad pathway), and necrosis and inflammation (TNF-α, NF-ĸB, IL-1, and IL-6). Along with that, arsenic activates caspases and Bax, decreases Bcl2 through mitochondrial dysfunction, and induces apoptosis regulatory mechanism. We believe the alteration of all these pathways leads to arsenic-induced hepatotoxicity.
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Affiliation(s)
- Kaviyarasi Renu
- Department of Biomedical Sciences, School of Biosciences and Technology, VIT, Vellore, Tamil Nadu 632014, India
| | - Anusha Saravanan
- Department of Biomedical Sciences, School of Biosciences and Technology, VIT, Vellore, Tamil Nadu 632014, India
| | - Anushree Elangovan
- Department of Biomedical Sciences, School of Biosciences and Technology, VIT, Vellore, Tamil Nadu 632014, India
| | - Sineka Ramesh
- Department of Biomedical Sciences, School of Biosciences and Technology, VIT, Vellore, Tamil Nadu 632014, India
| | - Sivakumar Annamalai
- Department of Biomedical Sciences, School of Biosciences and Technology, VIT, Vellore, Tamil Nadu 632014, India
| | - Arunraj Namachivayam
- Department of Biomedical Sciences, School of Biosciences and Technology, VIT, Vellore, Tamil Nadu 632014, India
| | - Praveena Abel
- Department of Biomedical Sciences, School of Biosciences and Technology, VIT, Vellore, Tamil Nadu 632014, India
| | - Harishkumar Madhyastha
- Department of Applied Physiology, Faculty of Medicine, University of Miyazaki, Miyazaki 889 1692, Japan
| | - Radha Madhyastha
- Department of Applied Physiology, Faculty of Medicine, University of Miyazaki, Miyazaki 889 1692, Japan
| | - Masugi Maruyama
- Department of Applied Physiology, Faculty of Medicine, University of Miyazaki, Miyazaki 889 1692, Japan
| | - Vellingiri Balachandar
- Human Molecular Cytogenetics and Stem Cell Laboratory, Department of Human Genetics and Molecular Biology, Bharathiar University, Coimbatore 641 046, Tamil Nadu, India
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Mirkov I, Stojković D, Aleksandrov AP, Ivanov M, Kostić M, Glamočlija J, Soković M. Plant Extracts and Isolated Compounds Reduce Parameters of Oxidative Stress Induced by Heavy Metals: An up-to-Date Review on Animal Studies. Curr Pharm Des 2020; 26:1799-1815. [PMID: 32264808 DOI: 10.2174/1381612826666200407163408] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Accepted: 03/19/2020] [Indexed: 12/15/2022]
Abstract
BACKGROUND Heavy metals are elements that are naturally found in the earth. They are used in many modern-day applications in agriculture, medicine, and industry. Heavy metal poisoning occurs when the body's soft tissues absorb too much of a particular metal. The heavy metals of interest for this review paper were cadmium, arsenic, mercury, and lead since these are the most common metals that the human body can absorb in toxic amounts. Different plant species were investigated in recent years for their effect on oxidative stress parameters after intoxication with heavy metals. OBJECTIVES This review paper is focused on the current update to research on heavy metals induced oxidative stress in animal models and improvement of the oxidative stress parameters upon/co-/after treatment with different plant extracts and isolated compounds. METHODS The available literature was screened for the novel data regarding the influence of plant extracts and compounds on heavy metals induced oxidative stress. For that purposes Scopus database was used, looking for the publications in the last 5-10 years with the key terms: plant extracts, oxidative stress, in vivo, cadmium, lead, mercury and arcenic. RESULTS Various parameters of oxidative stress were investigated, and their improvement with plant extracts/ compounds was observed in the brain, lungs, kidneys, liver, uterus, testis, thymus, spleen, heart, skin and blood of experimental animals. Common parameters used to determine oxidative stress in animals were: superoxide dismutase; catalase; reduced glutathione; glutathione reductase; glutathione-S-transferase; glutathione peroxidase; lipid peroxidation; oxidized glutathione; malondialdehyde; xanthine oxidase; nonprotein-soluble thiol; thioredoxin reductase; total sulphydryl group; nitric oxide; γ-glutamyl cysteine synthetase. CONCLUSION The most investigated species for antioxidant effects upon intoxication with heavy metals seem to be Allium sp., Bacopa monniera, Camellia sinensis, Moringa oleifera, Vitis vinifera and Zingiber officinale. According to literature data, the most promising effect to alleviate symptoms of intoxication was achieved with proanthocyanidins obtained from Vitis vinifera.
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Affiliation(s)
- Ivana Mirkov
- The University of Belgrade, Institute for Biological Research "Sinisa Stankovic" - National Institute of the Republic of Serbia, Bulevar Despota Stefana 142, 11000 Belgrade, Serbia
| | - Dejan Stojković
- The University of Belgrade, Institute for Biological Research "Sinisa Stankovic" - National Institute of the Republic of Serbia, Bulevar Despota Stefana 142, 11000 Belgrade, Serbia
| | - Aleksandra P Aleksandrov
- The University of Belgrade, Institute for Biological Research "Sinisa Stankovic" - National Institute of the Republic of Serbia, Bulevar Despota Stefana 142, 11000 Belgrade, Serbia
| | - Marija Ivanov
- The University of Belgrade, Institute for Biological Research "Sinisa Stankovic" - National Institute of the Republic of Serbia, Bulevar Despota Stefana 142, 11000 Belgrade, Serbia
| | - Marina Kostić
- The University of Belgrade, Institute for Biological Research "Sinisa Stankovic" - National Institute of the Republic of Serbia, Bulevar Despota Stefana 142, 11000 Belgrade, Serbia
| | - Jasmina Glamočlija
- The University of Belgrade, Institute for Biological Research "Sinisa Stankovic" - National Institute of the Republic of Serbia, Bulevar Despota Stefana 142, 11000 Belgrade, Serbia
| | - Marina Soković
- The University of Belgrade, Institute for Biological Research "Sinisa Stankovic" - National Institute of the Republic of Serbia, Bulevar Despota Stefana 142, 11000 Belgrade, Serbia
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Dkhil MA, Abdel Moneim AE, Bauomy AA, Khalil M, Al-Shaebi EM, Al-Quraishy S. Chlorogenic acid prevents hepatotoxicity in arsenic-treated mice: role of oxidative stress and apoptosis. Mol Biol Rep 2019; 47:1161-1171. [DOI: 10.1007/s11033-019-05217-4] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Accepted: 11/29/2019] [Indexed: 10/25/2022]
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Kalantari H, Khodayar MJ, Saki N, Khorsandi L, Teymoori A, Alidadi H, Samimi A. Microarray analysis of apoptosis gene expression in liver injury induced by chronic exposure to arsenic and high-fat diet in male mice. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:26351-26366. [PMID: 31290047 DOI: 10.1007/s11356-019-05907-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2019] [Accepted: 07/03/2019] [Indexed: 06/09/2023]
Abstract
Rapid growth in the incidence of liver disease is largely attributable to lifestyle and environmental contaminants, which are often overlooked as the leading causes of this problem. Thus, the possible contribution of arsenic (As) to high-fat diet (HFD)-induced liver damage was examined via microarray analysis. To perform this experiment, a total number of 40 healthy adult male NMRI mice (22-30 g) were used. To this end, these animals were randomly assigned to four groups of 10. Oxidative stress and histopathological parameters were also evaluated in the liver of the mice exposed to a minimally cytotoxic concentration of As (50 ppm) in drinking water while being fed with a HFD for 20 weeks. Subsequently, apoptosis gene expression profiling was utilized via real-time (RT) PCR array analysis. The results showed that As had increased the amount of HFD-induced liver damage and consequently amplified changes in oxidative stress factors, histopathological parameters, as well as apoptosis pathway genes. Investigating the expression profile of apoptosis pathway genes similarly revealed that caspase-8, as a main upstream contributor to the apoptosis pathway, might play an important role in the induction of apoptosis generated by As and HFD. Ultimately, this study highlighted that As in drinking water could increase sensitivity in mice to HFD-induced liver disease through strengthening apoptosis pathway.
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Affiliation(s)
- Heibatullah Kalantari
- Department of Pharmacology and Toxicology, School of Pharmacy, Ahvaz Jundishpur University of Medical Sciences, Ahvaz, Iran
| | - Mohammad Javad Khodayar
- Department of Pharmacology and Toxicology, School of Pharmacy, Ahvaz Jundishpur University of Medical Sciences, Ahvaz, Iran
| | - Najmaldin Saki
- Research Center of Thalassemia & Hemoglobinopathy, Health Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Layasadat Khorsandi
- Cellular and Molecular Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Ali Teymoori
- Department of Virology, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Hadis Alidadi
- Department of Pharmacology and Toxicology, School of Pharmacy, Ahvaz Jundishpur University of Medical Sciences, Ahvaz, Iran
| | - Azin Samimi
- Department of Pharmacology and Toxicology, School of Pharmacy, Ahvaz Jundishpur University of Medical Sciences, Ahvaz, Iran.
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Amadi CN, Offor SJ, Frazzoli C, Orisakwe OE. Natural antidotes and management of metal toxicity. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:18032-18052. [PMID: 31079302 DOI: 10.1007/s11356-019-05104-2] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Accepted: 04/04/2019] [Indexed: 06/09/2023]
Abstract
The global burden of heavy metal especially mercury, arsenic, lead, and cadmium toxicities remains a significant public health challenge. Developing nations are particularly at high risk and carry the highest burden of this hazard. Chelation therapy has been the mainstay for treatment of heavy metal poisoning where the chelating agent binds metal ions to form complex ring-like structures called "chelates" to enhance their elimination from the body. Metal chelators have some drawbacks such as redistribution of some heavy metals from other tissues to the brain thereby increasing its neurotoxicity, causing loss of essential metals such as copper and zinc as well as some serious adverse effects, e.g., hepatotoxicity. The use of natural antidotes, which are easily available, affordable, and with little or no side effects compared to the classic metal chelators, is the focus of this review and suggested as cheaper options for developing nations in the treatment of heavy metal poisoning.
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Affiliation(s)
- Cecilia Nwadiuto Amadi
- Department of Experimental Pharmacology & Toxicology, Faculty of Pharmacy, University of Port-Harcourt, Port-Harcourt, Rivers State, Nigeria
| | - Samuel James Offor
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, University of Uyo, Uyo, Akwa Ibom State, Nigeria
| | - Chiara Frazzoli
- Department of Cardiovascular and Endocrine-Metabolic Diseases, and Ageing, Istituto Superiore di Sanità (Italian National Institute of Health), Rome, Italy
| | - Orish Ebere Orisakwe
- Department of Experimental Pharmacology & Toxicology, Faculty of Pharmacy, University of Port-Harcourt, Port-Harcourt, Rivers State, Nigeria.
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The Evaluation of the Ameliorative Effect of Montelukast Against Arsenic Trioxide-Induced Cardiotoxicity in Rats. Jundishapur J Nat Pharm Prod 2017. [DOI: 10.5812/jjnpp.65046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Akanda MR, Tae HJ, Kim IS, Ahn D, Tian W, Islam A, Nam HH, Choo BK, Park BY. Hepatoprotective Role of Hydrangea macrophylla against Sodium Arsenite-Induced Mitochondrial-Dependent Oxidative Stress via the Inhibition of MAPK/Caspase-3 Pathways. Int J Mol Sci 2017; 18:ijms18071482. [PMID: 28698525 PMCID: PMC5535972 DOI: 10.3390/ijms18071482] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Revised: 06/30/2017] [Accepted: 07/05/2017] [Indexed: 12/18/2022] Open
Abstract
Sodium arsenite (NaAsO2) has been recognized as a worldwide health concern. Hydrangea macrophylla (HM) is used as traditional Chinese medicine possessing antioxidant activities. The study was performed to investigate the therapeutic role and underlying molecular mechanism of HM on NaAsO2-induced toxicity in human liver cancer (HepG2) cells and liver in mice. The hepatoprotective role of HM in HepG2 cells was assessed by using 3-(4,5-dimethylthiazol-2-Yl)-2,5-diphenyltetrazolium bromide (MTT), reactive oxygen species (ROS), and lactate dehydrogenase (LDH) assays. Histopathology, lipid peroxidation, serum biochemistry, quantitative real-time polymerase chain reaction (qPCR) and Western blot analyses were performed to determine the protective role of HM against NaAsO2 intoxication in liver tissue. In this study, we found that co-treatment with HM significantly attenuated the NaAsO2-induced cell viability loss, intracellular ROS, and LDH release in HepG2 cells in a dose-dependent manner. Hepatic histopathology, lipid peroxidation, and the serum biochemical parameters alanine aminotransferase (ALT) and aspartate aminotransferase (AST) were notably improved by HM. HM effectively downregulated the both gene and protein expression level of the mitogen-activated protein kinase (MAPK) cascade. Moreover, HM well-regulated the Bcl-2-associated X protein (Bax)/B-cell lymphoma-2 (Bcl-2) ratio, remarkably suppressed the release of cytochrome c, and blocked the expression of the post-apoptotic transcription factor caspase-3. Therefore, our study provides new insights into the hepatoprotective role of HM through its reduction in apoptosis, which likely involves in the modulation of MAPK/caspase-3 signaling pathways.
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Affiliation(s)
- Md Rashedunnabi Akanda
- College of Veterinary Medicine and Biosafety Research Institute, Chonbuk National University, Iksan 54596, Korea.
- Department of Pharmacology and Toxicology, Sylhet Agricultural University, Sylhet 3100, Bangladesh.
| | - Hyun-Jin Tae
- College of Veterinary Medicine and Biosafety Research Institute, Chonbuk National University, Iksan 54596, Korea.
| | - In-Shik Kim
- College of Veterinary Medicine and Biosafety Research Institute, Chonbuk National University, Iksan 54596, Korea.
| | - Dongchoon Ahn
- College of Veterinary Medicine and Biosafety Research Institute, Chonbuk National University, Iksan 54596, Korea.
| | - Weishun Tian
- College of Veterinary Medicine and Biosafety Research Institute, Chonbuk National University, Iksan 54596, Korea.
| | - Anowarul Islam
- College of Veterinary Medicine and Biosafety Research Institute, Chonbuk National University, Iksan 54596, Korea.
| | - Hyeon-Hwa Nam
- Department of Crop Science and Biotechnology, Chonbuk National University, Jeonju 54896, Korea.
| | - Byung-Kil Choo
- Department of Crop Science and Biotechnology, Chonbuk National University, Jeonju 54896, Korea.
| | - Byung-Yong Park
- College of Veterinary Medicine and Biosafety Research Institute, Chonbuk National University, Iksan 54596, Korea.
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Akanda MR, Kim IS, Ahn D, Tae HJ, Tian W, Nam HH, Choo BK, Park BY. In Vivo and In Vitro Hepatoprotective Effects of Geranium koreanum Methanolic Extract via Downregulation of MAPK/Caspase-3 Pathway. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2017; 2017:8137627. [PMID: 28757890 PMCID: PMC5516716 DOI: 10.1155/2017/8137627] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/02/2017] [Accepted: 06/05/2017] [Indexed: 12/13/2022]
Abstract
Geranium koreanum (GK) is an indigenous Chinese herbal medicine widely used for the treatment of various inflammation and liver disorders. However, the exact mechanism of action of GK remains unknown. This study aimed to investigate the protective effect and related molecular mechanism of GK on NaAsO2-induced cytotoxicity in HepG2 cells and liver damage in mice. The cytoprotective role of GK was assessed on HepG2 cells using MTT assay. Oxidative stress and lactate dehydrogenase levels were measured with ROS and LDH assay. Histopathology and serum enzymes levels were estimated. The molecular mechanism was evaluated by qPCR and immunoblotting to ensure the hepatoprotective role of GK against NaAsO2 intoxication in mice. We found cotreatment with GK significantly attenuated NaAsO2-induced cell viability loss, intracellular ROS, and LDH release. Hepatic histopathology and serum biochemical parameters, ALT, and AST were notably improved by cotreatment with GK. Beside, GK markedly altered both mRNA and protein expression level of MAPK. The proapoptotic and antiapoptotic protein Bax/Bcl-2 ratio was significantly regulated by GK. Moreover, GK remarkably suppressed the postapoptotic transcription protein cleaved caspase-3 expression. The present study reveals that GK possesses hepatoprotective activity which is probably involved in the modulation of the MAPK/caspase-3 pathway.
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Affiliation(s)
- Md Rashedunnabi Akanda
- College of Veterinary Medicine and Biosafety Research Institute, Chonbuk National University, Iksan 54596, Republic of Korea
- Department of Pharmacology and Toxicology, Sylhet Agricultural University, Sylhet 3100, Bangladesh
| | - In-Shik Kim
- College of Veterinary Medicine and Biosafety Research Institute, Chonbuk National University, Iksan 54596, Republic of Korea
| | - Dongchoon Ahn
- College of Veterinary Medicine and Biosafety Research Institute, Chonbuk National University, Iksan 54596, Republic of Korea
| | - Hyun-Jin Tae
- College of Veterinary Medicine and Biosafety Research Institute, Chonbuk National University, Iksan 54596, Republic of Korea
| | - Weishun Tian
- College of Veterinary Medicine and Biosafety Research Institute, Chonbuk National University, Iksan 54596, Republic of Korea
| | - Hyeon-Hwa Nam
- Department of Crop Science & Biotechnology, Chonbuk National University, Jeonju 54896, Republic of Korea
| | - Byung-Kil Choo
- Department of Crop Science & Biotechnology, Chonbuk National University, Jeonju 54896, Republic of Korea
| | - Byung-Yong Park
- College of Veterinary Medicine and Biosafety Research Institute, Chonbuk National University, Iksan 54596, Republic of Korea
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Xu M, Rui D, Yan Y, Xu S, Niu Q, Feng G, Wang Y, Li S, Jing M. Oxidative Damage Induced by Arsenic in Mice or Rats: A Systematic Review and Meta-Analysis. Biol Trace Elem Res 2017; 176:154-175. [PMID: 27498811 DOI: 10.1007/s12011-016-0810-4] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2016] [Accepted: 07/11/2016] [Indexed: 01/25/2023]
Abstract
In this meta-analysis, studies reporting arsenic-induced oxidative damage in mouse models were systematically evaluated to provide a scientific understanding of oxidative stress mechanisms associated with arsenic poisoning. Fifty-eight relevant peer-reviewed publications were identified through exhaustive database searching. Oxidative stress indexes assessed included superoxide dismutase (SOD), catalase (CAT), glutathione (GSH), glutathione peroxidase (GPx), glutathione-s-transferase (GST), glutathione reductase (GR), oxidized glutathione (GSSG), malondialdehyde (MDA), and reactive oxygen species (ROS). Our meta-analysis showed that arsenic exposure generally suppressed measured levels of the antioxidants, SOD, CAT, GSH, GPx, GST, and GR, but increased levels of the oxidants, GSSG, MDA, and ROS. Arsenic valence was important and GR and MDA levels increased to a significantly (P < 0.05) greater extent upon exposure to As3+ than to As5+. Other factors that contributed to a greater overall oxidative effect from arsenic exposure included intervention time, intervention method, dosage, age of animals, and the sample source from which the indexes were estimated. Our meta-analysis effectively summarized a wide range of studies and detected a positive relationship between arsenic exposure and oxidative damage. These data provide a scientific basis for the prevention and treatment of arsenic poisoning.
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Affiliation(s)
- Mengchuan Xu
- School of Medicine, Shihezi University, Shihezi, Xinjiang, 832000, China
| | - Dongsheng Rui
- School of Medicine, Shihezi University, Shihezi, Xinjiang, 832000, China
| | - Yizhong Yan
- School of Medicine, Shihezi University, Shihezi, Xinjiang, 832000, China
| | - Shangzhi Xu
- School of Medicine, Shihezi University, Shihezi, Xinjiang, 832000, China
| | - Qiang Niu
- School of Medicine, Shihezi University, Shihezi, Xinjiang, 832000, China
| | - Gangling Feng
- School of Medicine, Shihezi University, Shihezi, Xinjiang, 832000, China
| | - Yan Wang
- School of Medicine, Shihezi University, Shihezi, Xinjiang, 832000, China
| | - Shugang Li
- School of Medicine, Shihezi University, Shihezi, Xinjiang, 832000, China.
| | - Mingxia Jing
- School of Medicine, Shihezi University, Shihezi, Xinjiang, 832000, China.
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Li L, Liu Q, Fan L, Xiao W, Zhao L, Wang Y, Ye W, Lan F, Jia B, Feng H, Zhou C, Yue X, Xing G, Wang T. Protective effects of oxymatrine against arsenic trioxide-induced liver injury. Oncotarget 2017; 8:12792-12799. [PMID: 27713174 PMCID: PMC5355055 DOI: 10.18632/oncotarget.12478] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2016] [Accepted: 09/06/2016] [Indexed: 12/01/2022] Open
Abstract
Oxymatrine, a quinolizidine natural drug extracted from Sophora japonica, has been reported to have neuroprotective effect and cardioprotective effect. However, the protective effect of oxymatrine on arsenic trioxide (As2O3)-induced liver injury has not been reported. In the present study, we investigated the protective effects of oxymatrine on As2O3-induced liver injury in rats. Male Wistar rats were administrated 3mg/kg As2O3 intravenous injection on alternate days for 4 days. Oxymatrine was given 1 h before As2O3 treatment. The results showed that oxymatrine inhibited As2O3-induced hepatic pathological damage, liver ROS level and MDA level in a dose-dependent manner. As2O3 decreased the antioxidant enzymes SOD, GPX, and CAT activity and the decrease was inhibited by treatment of oxymatrine. Furthermore, oxymatrine attenuated the retention of arsenic in liver tissues and improved the expression of Nrf2 and HO-1. In conclusion, our results suggested that oxymatrine protected against As2O3-induced oxidative damage by activating Nrf2/HO-1 signaling pathway.
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Affiliation(s)
- Li Li
- Department of Anesthesiology, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Qinghai Liu
- Department of Anesthesiology, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Long Fan
- Department of Anesthesiology, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Wei Xiao
- Department of Anesthesiology, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Lei Zhao
- Department of Anesthesiology, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Yu Wang
- Department of Anesthesiology, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Weiguang Ye
- Department of Anesthesiology, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Fei Lan
- Department of Anesthesiology, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Bin Jia
- Department of Anesthesiology, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Hua Feng
- Department of Anesthesiology, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Changman Zhou
- Department of Anatomy & Histology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, China
| | - Xiuqin Yue
- Department of Anesthesiology, the First Affiliated Hospital of Xinxiang Medical University, Henan, China
| | - Guogang Xing
- Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing, China
| | - Tianlong Wang
- Department of Anesthesiology, Xuanwu Hospital, Capital Medical University, Beijing, China
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Yadav A, Flora SJS. Nano drug delivery systems: a new paradigm for treating metal toxicity. Expert Opin Drug Deliv 2016; 13:831-41. [PMID: 27030893 DOI: 10.1517/17425247.2016.1160890] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
INTRODUCTION The standard medical treatment for metal toxicity is chelation therapy. Chelating agents work by forming less toxic complexes with the toxic metal ions which are readily excreted from the body. These compounds, based on their hydrophilic/lipophilic property, can either remove toxic metal ions from extracellular sites or can penetrate the intracellular compartments to facilitate the removal of toxic metal ions. However, there are various disadvantages associated with this kind of therapy, notably, selectivity. Other problems and challenges are that the therapy regime is expensive, time consuming and has poor patient compliance. Two chelating agents, dimercaptosuccinic acid (DMSA) and dimercaptopropionicsulfonate (DMPS) have gained increased acceptance among clinicians, undoubtedly improving the management of metal intoxications. AREAS COVERED The present review provides an insight into the conventional chelating agents, new chelators under development, and the new opportunities presented by the use of nanotherapy for the treatment of metal poisoning cases. EXPERT OPINION Today's research should not only focus towards development of alternate chelators but also targeted therapy such as the nanotherapy.
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Affiliation(s)
- Abhishek Yadav
- a Directorate of Planning & Coordination , Defence Research and Development Organisation, Ministry of Defence, Govt. of India , Delhi , India
| | - Swaran Jeet Singh Flora
- b Division of Regulatory Toxicology , Defence Research and Development Establishment , Gwalior , Madhya Pradesh , India
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Biochanin A Ameliorates Arsenic-Induced Hepato- and Hematotoxicity in Rats. Molecules 2016; 21:69. [PMID: 26760991 PMCID: PMC6274094 DOI: 10.3390/molecules21010069] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2015] [Revised: 12/28/2015] [Accepted: 01/05/2016] [Indexed: 12/23/2022] Open
Abstract
Biochanin A (BCA) is a natural organic compound of the phytoestrogenic isoflavone class that has antioxidant and metal chelator properties in the presence of transition metal ions, however, its efficacy in animal models is still obscure. Therefore, the objective of this study was to investigate the protective effects of BCA against arsenic-induced hepatic injury and hematotoxicity in rats. The results suggest that arsenic intoxicated rats showed significantly higher levels of plasma hepatic markers than normal control rats. Furthermore, an increase in lipid peroxidation with depletion of reduced glutathione (GSH) and activities of superoxide dismutase (SOD) and catalase (CAT) occurred in the livers of rats exposed to arsenic. Administration of BCA (20 mg/kg·bw/day) and selenium (3 mg/kg·bw/day) resulted in a significant reversal of hepatic and oxidative stress markers in arsenic-intoxicated rats. A low dose of BCA (10 mg/kg·bw/day) did not show any preventive effect, while a high dose of BCA (40 mg/kg·bw/day) partially prevented all hepatotoxicity events. These biochemical perturbations were supported by histopathological observations of the liver. Our results suggest that administration of BCA (20 mg/kg·bw/day) attenuated the arsenic hepatotoxicity, a property that could contribute to the therapeutic approaches for chronic liver diseases.
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Agrawal S, Bhatnagar P, Flora S. Changes in tissue oxidative stress, brain biogenic amines and acetylcholinesterase following co-exposure to lead, arsenic and mercury in rats. Food Chem Toxicol 2015; 86:208-16. [DOI: 10.1016/j.fct.2015.10.013] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2015] [Revised: 10/08/2015] [Accepted: 10/20/2015] [Indexed: 12/25/2022]
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Gupta VK, Singh S, Agrawal A, Siddiqi NJ, Sharma B. Phytochemicals Mediated Remediation of Neurotoxicity Induced by Heavy Metals. Biochem Res Int 2015; 2015:534769. [PMID: 26618004 PMCID: PMC4651672 DOI: 10.1155/2015/534769] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2015] [Accepted: 10/15/2015] [Indexed: 01/16/2023] Open
Abstract
Almost all the environmental components including both the abiotic and biotic factors have been consistently threatened by excessive contamination of heavy metals continuously released from various sources. Different heavy metals have been reported to generate adverse effects in many ways. Heavy metals induced neurotoxicity and impairment in signalling cascade leading to cell death (apoptosis) has been indicated by several workers. On one hand, these metals are required by the cellular systems to regulate various biological functions of normal cells, while on the other their biomagnification in the cellular systems produces adverse effects. The mechanism by which the heavy metals induce neurotoxicity follows free radicals production pathway(s) specially the generation of reactive oxygen species and reactive nitrogen species. These free radicals produced in excess have been shown to create an imbalance between the oxidative and antioxidative systems leading to emergence of oxidative stress, which may cause necrosis, DNA damage, and many neurodegenerative disorders. This mini review summarizes the current knowledge available on the protective role of varied natural products isolated from different herbs/plants in imparting protection against heavy metals (cadmium, lead, arsenic, and mercury) mediated neurotoxicity.
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Affiliation(s)
- Vivek Kumar Gupta
- Department of Biochemistry, University of Allahabad, Allahabad 211002, India
| | - Shweta Singh
- Department of Biochemistry, University of Allahabad, Allahabad 211002, India
| | - Anju Agrawal
- Department of Zoology, SNBVPG College, CSJM University, Kanpur 208001, India
| | - Nikhat Jamal Siddiqi
- Department of Biochemistry, College of Science, P.O. Box 22452, King Saud University, Riyadh 11495, Saudi Arabia
| | - Bechan Sharma
- Department of Biochemistry, University of Allahabad, Allahabad 211002, India
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Ogra Y, Awaya Y, Anan Y. Comparison of accumulation of four metalloids in Allium sativum. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2015; 94:604-608. [PMID: 25733447 DOI: 10.1007/s00128-015-1508-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2014] [Accepted: 02/25/2015] [Indexed: 06/04/2023]
Abstract
In this study, we evaluated the accumulation and metabolism of four metalloids: arsenic (As), selenium (Se), antimony (Sb), and tellurium (Te) in garlic to determine whether garlic can be used for the phytoremediation of those metalloids. Garlic was able to efficiently accumulate As and Se, the two-fourth-period metalloids. However, it was not able to accumulate Sb and Te, the two-fifth-period metalloids, because their bioaccumulation factors were below one. Speciation analyses revealed that four metalloids could be metabolized in garlic, although their metabolites could not be identified yet. Results also suggested that garlic was able to distinguish the metalloids in groups 15 and 16 and the fourth and fifth periods, i.e., As, Se, Sb, and Te. Therefore, garlic is one of the potential plants for the phytoremediation of the fourth-period metalloids.
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Affiliation(s)
- Yasumitsu Ogra
- Laboratory of Chemical Toxicology and Environmental Health, Showa Pharmaceutical University, Machida, Tokyo, 194-8543, Japan,
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Sharma B, Singh S, Siddiqi NJ. Biomedical implications of heavy metals induced imbalances in redox systems. BIOMED RESEARCH INTERNATIONAL 2014; 2014:640754. [PMID: 25184144 PMCID: PMC4145541 DOI: 10.1155/2014/640754] [Citation(s) in RCA: 167] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2014] [Revised: 05/28/2014] [Accepted: 07/10/2014] [Indexed: 02/03/2023]
Abstract
Several workers have extensively worked out the metal induced toxicity and have reported the toxic and carcinogenic effects of metals in human and animals. It is well known that these metals play a crucial role in facilitating normal biological functions of cells as well. One of the major mechanisms associated with heavy metal toxicity has been attributed to generation of reactive oxygen and nitrogen species, which develops imbalance between the prooxidant elements and the antioxidants (reducing elements) in the body. In this process, a shift to the former is termed as oxidative stress. The oxidative stress mediated toxicity of heavy metals involves damage primarily to liver (hepatotoxicity), central nervous system (neurotoxicity), DNA (genotoxicity), and kidney (nephrotoxicity) in animals and humans. Heavy metals are reported to impact signaling cascade and associated factors leading to apoptosis. The present review illustrates an account of the current knowledge about the effects of heavy metals (mainly arsenic, lead, mercury, and cadmium) induced oxidative stress as well as the possible remedies of metal(s) toxicity through natural/synthetic antioxidants, which may render their effects by reducing the concentration of toxic metal(s). This paper primarily concerns the clinicopathological and biomedical implications of heavy metals induced oxidative stress and their toxicity management in mammals.
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Affiliation(s)
- Bechan Sharma
- Department of Biochemistry, University of Allahabad, Allahabad 211002, India
| | - Shweta Singh
- Department of Genetics, SGPGIMS, Lucknow 226014, India
| | - Nikhat J. Siddiqi
- Department of Biochemistry, King Saud University, Riyadh 11451, Saudi Arabia
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Zhu X, Zhang F, Zhou L, Kong D, Chen L, Lu Y, Zheng S. Diallyl trisulfide attenuates carbon tetrachloride-caused liver injury and fibrogenesis and reduces hepatic oxidative stress in rats. Naunyn Schmiedebergs Arch Pharmacol 2014; 387:445-55. [PMID: 24557053 DOI: 10.1007/s00210-014-0959-3] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2013] [Accepted: 01/30/2014] [Indexed: 12/23/2022]
Abstract
Liver fibrosis represents a frequent event following chronic insult to trigger wound healing reactions with accumulation of extracellular matrix (ECM) components in the liver. Activation of hepatic stellate cells (HSCs) is the pivotal event during liver fibrogenesis. The process of HSC activation is accompanied by enhanced expression of a series of marker proteins and pro-fibrogenic signal molecules. Natural products have been an important source of antifibrotic remedies. The present study aims to evaluate the in vivo effects of diallyl trisulfide (DATS), the primary component derived from garlic, on carbon tetrachloride (CCl4)-induced injury and fibrosis in rats. Our results showed that DATS improved liver histological architecture and decreased hepatic enzyme levels, but did not significantly affect cytochrome P450 2E1 activity in vivo. DATS also attenuated collagen deposition and inhibited HSC activation in the rat fibrotic liver demonstrated by reduced expression of α-smooth muscle actin, α1(I) procollagen, and fibronectin-three key markers of HSC activation-and by downregulation of transforming growth factor-β receptor 1, platelet-derived growth factor-β receptor, and epidermal growth factor receptor-three key receptors transmitting pro-fibrogenic pathways. In addition, DATS ameliorated hepatic oxidative stress by diminishing the levels of lipid peroxides and malondialdehyde and enhancing glutathione content. These data collectively revealed that DATS protected the rat liver from CCl4-caused injury and fibrogenesis in vivo, which was associated with inhibition of HSC activation and attenuation of oxidative stress. Our results suggested DATS as a promising antifibrogenic candidate for the prevention and treatment of liver fibrosis.
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Affiliation(s)
- Xiaojing Zhu
- Department of Pharmacology, College of Pharmacy, Nanjing University of Chinese Medicine, 138 Xianlin Avenue, Nanjing, 210023, Jiangsu, China
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Al-Rasheed N, Al-Rasheed N, Bassiouni Y, Faddah L, Mohamad AM. Potential Protective Effects of Nigella Sativa and Allium Sativum Against Fructose-Induced Metabolic Syndrome in Rats. J Oleo Sci 2014; 63:839-48. [DOI: 10.5650/jos.ess14027] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Das B, Mandal S, Chaudhuri K. Role of arginine, a component of aqueous garlic extract, in remediation of sodium arsenite induced toxicity in A375 cells. Toxicol Res (Camb) 2014. [DOI: 10.1039/c3tx50098e] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
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Hemalatha P, Reddy AG, Reddy YR, Shivakumar P. Evaluation of protective effect of N-acetyl cysteine on arsenic-induced hepatotoxicity. J Nat Sci Biol Med 2013; 4:393-5. [PMID: 24082739 PMCID: PMC3783787 DOI: 10.4103/0976-9668.116986] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
OBJECTIVE The present study was aimed to study protective role of N-acetyl cysteine (NAC) was assessed against arsenic (As)-induced hepatotoxicity in rats. METHODS Twenty four male Wistar rats were divided into 4 groups of 6 animals each and treated as follows: Group 1: sham control, 2: arsenic control (sodium arsenite @ 10 mg/kg b. wt orally for 4 wks), 3: Pre-treatment with NAC (@ 300 mg/kg orally for 2 wks) followed by sodium arsenite along with NAC (as per above doses) and 4: Sodium arsenite + NAC (as per above doses for 4 wks). RESULTS The concentration of thiobarbituric acid reacting substances (TBARS) and protein carbonyls was significantly (P<0.05) increased, while the concentration of reduced glutathione (GSH), and the activity of CYP450, Na+ - K+ ATPase and Mg2+ ATPase in liver were significantly (P<0.05) reduced in group 2 as compared to control. Groups 3 and 4 revealed improvement in the parameters in study. CONCLUSION The study revealed that arsenic induces hepatotoxicity by inducing oxidative stress and supplementation of NAC is beneficial in countering the adverse effects.
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Affiliation(s)
- Pudari Hemalatha
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Science, Rajendranagar, Hyderabad, Andhra Pradesh, India
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Winiarska-Mieczan A. Protective effect of tannic acid on the brain of adult rats exposed to cadmium and lead. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2013; 36:9-18. [PMID: 23538323 DOI: 10.1016/j.etap.2013.02.018] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2012] [Revised: 02/24/2013] [Accepted: 02/28/2013] [Indexed: 06/02/2023]
Abstract
Chronic exposure to Cd and Pb causes brain damage. Tannic acid (TA) is a very efficient chelator for metals. The effect of exposure to Cd and/or Pb and TA on the rats' brain were studied. Two experiments were carried. In experiment no. 1 metals were administered with feed (7mg Cd and 50mgPb/kg) and TA with drink (0, 0.5, 1, 1.5, 2 or 2.5% solutions). In experiment no. 2, rats received an aqueous solutions of [Cd (7 or 14mg/L) or Pb (50 or 100mg/L)] or 2% TA, alternatively every 7 days. In both experiments, TA had a positive effect only on reducing the accumulation of Cd. Exposure to metals resulted in an decrease of superoxide dismutase and catalase activity, whereas TA administration increased those. The results suggests that TA are more effective if taken parallel to food contaminated by Cd, and their effectiveness is higher if their intake is long-term.
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Affiliation(s)
- Anna Winiarska-Mieczan
- Department of Bromatology and Food Physiology, University of Life Sciences in Lublin, Akademicka 13, 20-950 Lublin, Poland.
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Ram Kumar M, Flora SJS, Reddy GR. Monoisoamyl 2,3-dimercaptosuccinic acid attenuates arsenic induced toxicity: behavioral and neurochemical approach. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2013; 36:231-242. [PMID: 23644418 DOI: 10.1016/j.etap.2013.03.019] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2012] [Revised: 03/25/2013] [Accepted: 03/27/2013] [Indexed: 06/02/2023]
Abstract
Chronic exposure to arsenic in drinking water is associated with skin lesions, neurological effects, hypertension and high risk of cancer. The treatment in use at present employs administration of thiol chelators, such as meso-2,3-dimercaptosuccinic acid (DMSA) which are compromised with number of limitations due to their lipophobic nature. To address this problem, therapeutic efficacy of monoisoamyl meso-2,3-dimercaptosuccinic acid (MiADMSA), an analog of DMSA having lipophilic character, was examined against chronic arsenic poisoning in rats. Adult male Wistar rats were orally exposed to arsenic (2mg sodium arsenite/kg body weight) for 10 weeks followed by treatment with MiADMSA (50mg/kg, orally, once daily for 5 consecutive days). As-exposed rats showed significant differences in behavioral functions (open field behavior, total locomotor activity, grip strength and exploratory behavior) and water maze learning. Further, the biochemical studies performed on three brain regions (cerebellum, cortex and hippocampus) also showed significant elevation in malondialdehyde (MDA) levels with a concomitant decrease in the oxidative stress marker enzymes Mn-superoxide dismutase (Mn-SOD), Cu/Zn-superoxide dismutase (Cu/Zn-SOD), catalase (CAT), glutathione peroxidase (GPx), glutathione reductase (GR) and glutathione-S-transferase (GST). The alterations were more pronounced in cortex compared to cerebellum and hippocampus. The results showed that MiADMSA significantly reversed the As-induced alterations in behavior and biochemical variables suggestive of oxidative injury.
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Affiliation(s)
- M Ram Kumar
- Department of Biotechnology, Sri Venkateswara University, Tirupati, Andhra Pradesh, India
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Pineda J, Herrera A, Antonio MT. Comparison between hepatic and renal effects in rats treated with arsenic and/or antioxidants during gestation and lactation. J Trace Elem Med Biol 2013; 27:236-41. [PMID: 23339766 DOI: 10.1016/j.jtemb.2012.12.006] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2012] [Revised: 09/27/2012] [Accepted: 12/21/2012] [Indexed: 11/22/2022]
Abstract
The aim of this study was to determine whether biochemical changes occurred in the liver and kidney of arsenic (As) exposed pups during gestation and lactation, and investigate the potential beneficial role of antioxidants against arsenic exposure damage. Pregnant wistar rats received the following treatments as drinking water: (1) distilled water; (2) arsenic (50 mg/L); (3) antioxidants: zinc (20 mg/L)+vitamin C (2 g/L)+vitamin E (500 mg/L); (4) arsenic (50 mg/L)+antioxidants. As- intoxicated pups showed significant decreases in liver cholesterol and triglyceride concentration, whereas Aspartate aminotransferase (AST) and alkaline phosphatase (ALP) activities were increased. Treatment with antioxidants returns these values to control ones. TBARS production in both organs and liver glutathione peroxidase (GPx) activity also increased whereas catalase (CAT) activity in both organs decreased in arsenic-exposed pups; the antioxidant administration only recover TBARS concentration to control values. Our findings suggest that administration of antioxidants during gestation and lactation could prevent some of the negative effects of arsenic.
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Affiliation(s)
- Javier Pineda
- Department of Physiology (Animal Physiology II), Faculty of Biology, Complutense University, Madrid 28040, Spain
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Herrera A, Pineda J, Antonio MT. Toxic effects of perinatal arsenic exposure on the brain of developing rats and the beneficial role of natural antioxidants. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2013; 36:73-79. [PMID: 23619517 DOI: 10.1016/j.etap.2013.03.018] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2012] [Revised: 03/20/2013] [Accepted: 03/22/2013] [Indexed: 06/02/2023]
Abstract
The aim of this study was to determine what changes in biochemical parameters and in the antioxidant capacity occur in the brain of arsenic-exposed rats (50mg As/L in drinking water) and investigate the protective effect of antioxidants as Zn, vitamin C and vitamin E during pregnancy and lactation. After arsenic-exposure, alkaline phosphatase (ALP) activity was enhanced in arsenic group, returning to normal levels in the arsenic+antioxidants one. A significant increase of acetylcholinesterase (AChE) activity was noted in both arsenic groups. Metalloide exposure caused a significant increase in lipid peroxidation (TBARS), whereas antioxidant administration reversed it. Catalase (CAT) activity in arsenic groups was increased, but no changes were found in the other groups. No significant effect of arsenic in superoxide dismutase (SOD) and glutathione peroxidase (GPx) activities and reduced glutathione concentration (GSH) was noted. This study provides evidence of the deleterious effect of arsenic exposure during gestation and lactation and the beneficial role of antioxidants.
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Affiliation(s)
- Amparo Herrera
- Department of Physiology (Animal Physiology II), Faculty of Biology, Complutense University, Madrid 28040, Spain
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Alghasham A, Salem TA, Meki ARM. Effect of cadmium-polluted water on plasma levels of tumor necrosis factor-α, interleukin-6 and oxidative status biomarkers in rats: protective effect of curcumin. Food Chem Toxicol 2013; 59:160-4. [PMID: 23764358 DOI: 10.1016/j.fct.2013.05.059] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2012] [Revised: 05/09/2013] [Accepted: 05/29/2013] [Indexed: 12/21/2022]
Abstract
UNLABELLED The present study was designed to investigate the effect of CdCl₂-polluted drinking water (40 mg CdCl₂/L) on the level of TNF-α and IL-6, as well as oxidative status biomarkers in plasma of rats. The possible protective effect of oral administration of curcumin (50 mg/kg body weight/day) was assessed. Results illustrated that Cd exposure significantly elevated the plasma levels of TNF-α and IL-6 (p<0.001) as compared to normal rats. Also, Cd administration resulted in a significant elevation in the lipid peroxidation and markedly reduction in the activities of SOD and catalase as well as the level of glutathione and total antioxidant capacity in plasma. The co-treatment of Cd with curcumin significantly reduced the levels of TNF-α and IL-6 and ameliorated the alteration in oxidative status biomarkers induced by Cd. Negative correlation between IL-6 or TNF-α was and the plasma activities of catalase, SOD and the level of total antioxidant capacity were found in rats exposed to Cd. CONCLUSION Cadmium toxicity induced the release of TNF-α and IL-6 which is associated with systemic oxidative stress. This may be involved in the mechanism of the Cd toxicity. On the other hand, the findings suggest the curative action of curcumin against Cd toxicity.
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Affiliation(s)
- Abdullah Alghasham
- Department of Pharmacology & Therapeutics, College of Medicine, Qassim University, Saudi Arabia
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Chandrasekaran VRM, Hsu DZ, Liu MY. Beneficial effect of sesame oil on heavy metal toxicity. JPEN J Parenter Enteral Nutr 2013; 38:179-85. [PMID: 23744838 DOI: 10.1177/0148607113490960] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Heavy metals become toxic when they are not metabolized by the body and accumulate in the soft tissue. Chelation therapy is mainly for the management of heavy metal-induced toxicity; however, it usually causes adverse effects or completely blocks the vital function of the particular metal chelated. Much attention has been paid to the development of chelating agents from natural sources to counteract lead- and iron-induced hepatic and renal damage. Sesame oil (a natural edible oil) and sesamol (an active antioxidant) are potently beneficial for treating lead- and iron-induced hepatic and renal toxicity and have no adverse effects. Sesame oil and sesamol significantly inhibit iron-induced lipid peroxidation by inhibiting the xanthine oxidase, nitric oxide, superoxide anion, and hydroxyl radical generation. In addition, sesame oil is a potent inhibitor of proinflammatory mediators, and it attenuates lead-induced hepatic damage by inhibiting nitric oxide, tumor necrosis factor-α, and interleukin-1β levels. Because metal chelating therapy is associated with adverse effects, treating heavy metal toxicity in addition with sesame oil and sesamol may be better alternatives. This review deals with the possible use and beneficial effects of sesame oil and sesamol during heavy metal toxicity treatment.
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Prasanna N, Krishnan DN, Rasool M. Sodium arsenite-induced cardiotoxicity in rats: protective role of p-coumaric acid, a common dietary polyphenol. Toxicol Mech Methods 2013. [PMID: 23194016 DOI: 10.3109/15376516.2012.748116] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
This study was performed to investigate the ameliorative role of p-coumaric acid against sodium arsenite-induced cardiotoxicity in rats. Sodium arsenite (5 mg/kg/b.wt) was orally administered once a day for 30 days to the animals to induce cardiotoxicity. After the experimental period, cardiotoxicity was assessed by estimating the levels of lipid peroxidation, anti-oxidant status (superoxide dismutase, catalase, glutathione peroxidase, glutathione S-transferase, glutathione reductase, total reduced glutathione, protein sulfyhydryl and non-protein sulfhydryl groups) and DNA fragmentation in the cardiac tissue of control and experimental rats. In addition, cardiac tissue specific serum markers (triacylglycerides, total cholesterol, low-density lipoprotein cholesterol and high density lipoprotein cholesterol) in serum and histopathological changes in the cardiac tissue were also evaluated. From the results obtained in our study, sodium arsenite administration to the rats increased lipid peroxidation, DNA fragmentation, triacylglycerides, total cholesterol and low-density lipoprotein cholesterol, whereas antioxidant status and high-density lipoprotein cholesterol were found to be reduced. However, p-coumaric acid (75 and100 mg/kg/b.wt) treatment orally once per day for 30 days, immediately before a daily administration of sodium arsenite protected the abnormal biochemical abnormalities observed in the cardiac tissue of sodium arsenite treated rats as evidenced by the cardiac histopathology. For comparison purpose, a standard antioxidant vitamin C (100 mg/kg/b.wt) was used. In conclusion, this study concluded that p-coumaric acid could be a promising candidate for protecting the sodium arsenite-induced cardiotoxicity in rats through its antioxidant character.
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Affiliation(s)
- Nagalakshmi Prasanna
- Immunopathology Laboratory, School of Bio Sciences and Technology, VIT University, Vellore 632 014, Tamil Nadu, India
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Role of Carum copticum seeds in modulating chromium-induced toxicity on human bronchial epithelial cells and human peripheral blood lymphocytes. ACTA ACUST UNITED AC 2012; 64:889-97. [DOI: 10.1016/j.etp.2011.03.012] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2010] [Revised: 01/21/2011] [Accepted: 03/23/2011] [Indexed: 01/25/2023]
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37
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Kamath SU, Pemiah B, Sekar RK, Krishnaswamy S, Sethuraman S, Krishnan UM. Mercury-based traditional herbo-metallic preparations: a toxicological perspective. Arch Toxicol 2012; 86:831-8. [DOI: 10.1007/s00204-012-0826-2] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2012] [Accepted: 02/27/2012] [Indexed: 10/28/2022]
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Abstract
Arsenic is an environmental pollutant and its contamination in the drinking water is considered as a serious worldwide environmental health threat. The chronic arsenic exposure is a cause of immense health distress as it accounts for the increased risk of various disorders such as cardiovascular abnormalities, diabetes mellitus, neurotoxicity, and nephrotoxicity. In addition, the exposure to arsenic has been suggested to affect the liver function and to induce hepatotoxicity. Moreover, few studies demonstrated the induction of carcinogenicity especially cancer of the skin, bladder, and lungs after the chronic exposure to arsenic. The present review addresses diverse mechanisms involved in the pathogenesis of arsenic-induced toxicity and end-organ damage.
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Affiliation(s)
- Amrit Pal Singh
- Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar - 143 005
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MiADMSA reverses impaired mitochondrial energy metabolism and neuronal apoptotic cell death after arsenic exposure in rats. Toxicol Appl Pharmacol 2011; 256:241-8. [DOI: 10.1016/j.taap.2011.04.004] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2011] [Revised: 04/04/2011] [Accepted: 04/06/2011] [Indexed: 11/22/2022]
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40
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Flora SJS. Arsenic-induced oxidative stress and its reversibility. Free Radic Biol Med 2011; 51:257-81. [PMID: 21554949 DOI: 10.1016/j.freeradbiomed.2011.04.008] [Citation(s) in RCA: 536] [Impact Index Per Article: 41.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2010] [Revised: 03/18/2011] [Accepted: 04/04/2011] [Indexed: 12/12/2022]
Abstract
This review summarizes the literature describing the molecular mechanisms of arsenic-induced oxidative stress, its relevant biomarkers, and its relation to various diseases, including preventive and therapeutic strategies. Arsenic alters multiple cellular pathways including expression of growth factors, suppression of cell cycle checkpoint proteins, promotion of and resistance to apoptosis, inhibition of DNA repair, alterations in DNA methylation, decreased immunosurveillance, and increased oxidative stress, by disturbing the pro/antioxidant balance. These alterations play prominent roles in disease manifestation, such as carcinogenicity, genotoxicity, diabetes, cardiovascular and nervous systems disorders. The exact molecular and cellular mechanisms involved in arsenic toxicity are rather unrevealed. Arsenic alters cellular glutathione levels either by utilizing this electron donor for the conversion of pentavalent to trivalent arsenicals or directly binding with it or by oxidizing glutathione via arsenic-induced free radical generation. Arsenic forms oxygen-based radicals (OH(•), O(2)(•-)) under physiological conditions by directly binding with critical thiols. As a carcinogen, it acts through epigenetic mechanisms rather than as a classical mutagen. The carcinogenic potential of arsenic may be attributed to activation of redox-sensitive transcription factors and other signaling pathways involving nuclear factor κB, activator protein-1, and p53. Modulation of cellular thiols for protection against reactive oxygen species has been used as a therapeutic strategy against arsenic. N-acetylcysteine, α-lipoic acid, vitamin E, quercetin, and a few herbal extracts show prophylactic activity against the majority of arsenic-mediated injuries in both in vitro and in vivo models. This review also updates the reader on recent advances in chelation therapy and newer therapeutic strategies suggested to treat arsenic-induced oxidative damage.
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Affiliation(s)
- Swaran J S Flora
- Division of Pharmacology & Toxicology, Defence Research and Development Establishment, Jhansi Road, Gwalior 474002, India.
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41
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Concomitant exposure to arsenic and organophosphates on tissue oxidative stress in rats. Food Chem Toxicol 2011; 49:1152-9. [DOI: 10.1016/j.fct.2011.02.007] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2010] [Revised: 02/04/2011] [Accepted: 02/14/2011] [Indexed: 11/18/2022]
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42
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Han CY, Ki SH, Kim YW, Noh K, Lee DY, Kang B, Ryu JH, Jeon R, Kim EH, Hwang SJ, Kim SG. Ajoene, a stable garlic by-product, inhibits high fat diet-induced hepatic steatosis and oxidative injury through LKB1-dependent AMPK activation. Antioxid Redox Signal 2011; 14:187-202. [PMID: 20560786 DOI: 10.1089/ars.2010.3190] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Hepatic steatosis, a hepatic component of metabolic syndrome, is common and may progress to steatohepatitis and cirrhosis. The liver X receptor-α (LXRα)-sterol regulatory element binding protein-1c (SREBP-1c) pathway plays a key role in hepatic steatosis. This study investigated the potential of ajoene, a stable garlic by-product, to inhibit high fat diet (HFD)-induced hepatic steatosis and the underlying mechanism. Ajoene treatment attenuated fat accumulation and induction of lipogenic genes in the liver of HFD-fed mice. Blood biochemical analyses and histopathologic examinations showed that ajoene prevented liver injury with the inhibition of oxidative stress, as evidenced by thiobarbituric acid reactive substances formation and nitrotyrosinylation. Moreover, ajoene treatment inhibited LXRα agonist (T0901317)-mediated SREBP-1c activation, and transactivation of the lipogenic target genes in hepatocytes. Ajoene was found to activate AMP-activated protein kinase (AMPK) via LKB1, responsible for the inhibition of p70 ribosomal S6 kinase-1 (S6K1). The ability of ajoene to repress T0901317-induced SREBP-1c expression was antagonized by inhibition of AMPK or activation of S6K1, supporting the role of these kinases in the antisteatotic effect. Our results demonstrate that ajoene has an effect of activating AMPK through LKB1 and inhibit S6K1 activity, contributing to the prevention of SREBP-1c-mediated hepatic lipogenesis via the inhibition of LXRα activity.
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Affiliation(s)
- Chang Yeob Han
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Korea
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Das J, Ghosh J, Manna P, Sil PC. Protective role of taurine against arsenic-induced mitochondria-dependent hepatic apoptosis via the inhibition of PKCdelta-JNK pathway. PLoS One 2010; 5:e12602. [PMID: 20830294 PMCID: PMC2935368 DOI: 10.1371/journal.pone.0012602] [Citation(s) in RCA: 77] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2010] [Accepted: 08/06/2010] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Oxidative stress-mediated hepatotoxic effect of arsenic (As) is mainly due to the depletion of glutathione (GSH) in liver. Taurine, on the other hand, enhances intracellular production of GSH. Little is known about the mechanism of the beneficial role of taurine in As-induced hepatic pathophysiology. Therefore, in the present study we investigated its beneficial role in As-induced hepatic cell death via mitochondria-mediated pathway. METHODOLOGY/PRINCIPAL FINDINGS Rats were exposed to NaAsO(2) (2 mg/kg body weight for 6 months) and the hepatic tissue was used for oxidative stress measurements. In addition, the pathophysiologic effect of NaAsO(2) (10 microM) on hepatocytes was evaluated by determining cell viability, mitochondrial membrane potential and ROS generation. As caused mitochondrial injury by increased oxidative stress and reciprocal regulation of Bcl-2, Bcl-xL/Bad, Bax, Bim in association with increased level of Apaf-1, activation of caspase 9/3, cleavage of PARP protein and ultimately led to apoptotic cell death. In addition, As markedly increased JNK and p38 phosphorylation with minimal disturbance of ERK. Pre-exposure of hepatocytes to a JNK inhibitor SP600125 prevented As-induced caspase-3 activation, ROS production and loss in cell viability. Pre-exposure of hepatocytes to a p38 inhibitor SB2035, on the other hand, had practically no effect on these events. Besides, As activated PKCdelta and pre-treatment of hepatocytes with its inhibitor, rottlerin, suppressed the activation of JNK indicating that PKCdelta is involved in As-induced JNK activation and mitochondrial dependent apoptosis. Oral administration of taurine (50 mg/kg body weight for 2 weeks) both pre and post to NaAsO(2) exposure or incubation of the hepatocytes with taurine (25 mM) were found to be effective in counteracting As-induced oxidative stress and apoptosis. CONCLUSIONS/SIGNIFICANCE Results indicate that taurine treatment improved As-induced hepatic damages by inhibiting PKCdelta-JNK signalling pathways. Therefore taurine supplementation could provide a new approach for the reduction of hepatic complication due to arsenic poisoning.
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Affiliation(s)
- Joydeep Das
- Division of Molecular Medicine, Bose Institute, Kolkata, India
| | - Jyotirmoy Ghosh
- Division of Molecular Medicine, Bose Institute, Kolkata, India
| | - Prasenjit Manna
- Division of Molecular Medicine, Bose Institute, Kolkata, India
| | - Parames C. Sil
- Division of Molecular Medicine, Bose Institute, Kolkata, India
- * E-mail:
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Flora SJ, Pachauri V. Chelation in metal intoxication. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2010; 7:2745-88. [PMID: 20717537 PMCID: PMC2922724 DOI: 10.3390/ijerph7072745] [Citation(s) in RCA: 525] [Impact Index Per Article: 37.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/08/2010] [Revised: 04/22/2010] [Accepted: 05/27/2010] [Indexed: 12/11/2022]
Abstract
Chelation therapy is the preferred medical treatment for reducing the toxic effects of metals. Chelating agents are capable of binding to toxic metal ions to form complex structures which are easily excreted from the body removing them from intracellular or extracellular spaces. 2,3-Dimercaprol has long been the mainstay of chelation therapy for lead or arsenic poisoning, however its serious side effects have led researchers to develop less toxic analogues. Hydrophilic chelators like meso-2,3-dimercaptosuccinic acid effectively promote renal metal excretion, but their ability to access intracellular metals is weak. Newer strategies to address these drawbacks like combination therapy (use of structurally different chelating agents) or co-administration of antioxidants have been reported recently. In this review we provide an update of the existing chelating agents and the various strategies available for the treatment of heavy metals and metalloid intoxications.
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Affiliation(s)
- Swaran J.S. Flora
- Division of Pharmacology and Toxicology, Defence Research and Development Establishment, Jhansi Road, Gwalior474 002, India; E-Mail:
| | - Vidhu Pachauri
- Division of Pharmacology and Toxicology, Defence Research and Development Establishment, Jhansi Road, Gwalior474 002, India; E-Mail:
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Rana T, Asit Kumar Bera, Das S, Bhattacharya D, Pan D, Bandyopadhyay S, De S, Subrata Kumar Das. Mushroom lectin protects arsenic induced apoptosis in hepatocytes of rodents. Hum Exp Toxicol 2010; 30:307-17. [DOI: 10.1177/0960327110372642] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Acute and chronic arsenic exposure result in toxicity both in human and animal beings and cause many hepatic and renal manifestations. The present study stated that mushroom lectin prevents arsenic-induced apoptosis. Apoptosis was measured by morphological alterations, cell proliferation index (CPI), phagocytic activity (nitro blue tetrazolium index; NBT), nitric oxide (NO) production, terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) assay, DNA fragmentation and caspase-3 activity. Arsenic exposure at 5 μM in the form of sodium arsenite resulted in significant elevation of deformed cells, NO production, TUNEL stained nuclei of hepatocytes, DNA fragmentation and caspase-3 activity. But the CPI and NBT index were significantly declined in arsenic-treated hepatocytes. The beneficial effect of mushroom lectin at 10 μg/mL, 20 μg/mL and 50 μg/mL) showed increased CPI and phagocytic activity. Mushroom lectin at those concentrations reduced deformed cells, NO production, DNA fragmentation and caspase-3 activity of hepatocytes. But significant better protection was observed in 50 μg/mL mushroom lectin-treated hepatocytes. This finding may be of therapeutic benefit in people suffering from chronic arsenic exposure.
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Affiliation(s)
- Tanmoy Rana
- Indian Veterinary Research Institute, Eastern Regional Station, 37, Belgachia Road, Kolkata, India
| | - Asit Kumar Bera
- Indian Veterinary Research Institute, Eastern Regional Station, 37, Belgachia Road, Kolkata, India,
| | - Subhashree Das
- Indian Veterinary Research Institute, Eastern Regional Station, 37, Belgachia Road, Kolkata, India
| | - Debasis Bhattacharya
- Indian Veterinary Research Institute, Eastern Regional Station, 37, Belgachia Road, Kolkata, India
| | - Diganta Pan
- Indian Veterinary Research Institute, Eastern Regional Station, 37, Belgachia Road, Kolkata, India
| | - Subhasish Bandyopadhyay
- Indian Veterinary Research Institute, Eastern Regional Station, 37, Belgachia Road, Kolkata, India
| | - Sumanta De
- Indian Veterinary Research Institute, Eastern Regional Station, 37, Belgachia Road, Kolkata, India
| | - Subrata Kumar Das
- Indian Veterinary Research Institute, Eastern Regional Station, 37, Belgachia Road, Kolkata, India
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Effect of ascorbic acid on blood oxidative stress in experimental chronic arsenicosis in rodents. Food Chem Toxicol 2010; 48:1072-7. [DOI: 10.1016/j.fct.2010.01.027] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2009] [Revised: 12/22/2009] [Accepted: 01/27/2010] [Indexed: 11/23/2022]
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47
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Cavar S, Bošnjak Z, Klapec T, Barišić K, Cepelak I, Jurasović J, Milić M. Blood selenium, glutathione peroxidase activity and antioxidant supplementation of subjects exposed to arsenic via drinking water. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2010; 29:138-143. [PMID: 21787595 DOI: 10.1016/j.etap.2009.12.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2009] [Revised: 12/20/2009] [Accepted: 12/22/2009] [Indexed: 05/31/2023]
Abstract
This work investigated serum selenium (Se) and glutathione peroxidase (GPx) levels in 25 Croatian subjects exposed to high levels of As from drinking water (median As level in urine: 620.74μg/g creatinine) and 25 controls (32.98μg/g creatinine). The exposed group had lower (p<0.001) median serum Se and GPx levels (Se: 82.34μg/l vs 59.02μg/l; GPx: 45.99U/g hemoglobin vs 38.38U/g hemoglobin). A subsample of 20 exposed subjects took part in a 2-month antioxidant supplementation trial which increased median GPx activity from 30.71 to 40.98U/g hemoglobin (p=0.041) and reduced total urinary As median from 680.15 to 501.96μg/g creatinine (p=0.051). The effect of selected catalase (-262C>T) and GPx1 (-593C>T) gene polymorphisms was also examined. The low Se status and GPx activity may heighten risk of adverse health effects, especially in genetically predisposed individuals. The outcome of antioxidant treatment indicates modulation of As metabolism and oxidative stress, relevance of which needs further research.
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Affiliation(s)
- Suzana Cavar
- Institute of Public Health for Osijek-Baranya County, Osijek, Croatia
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Flora SJS. Structural, chemical and biological aspects of antioxidants for strategies against metal and metalloid exposure. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2009; 2:191-206. [PMID: 20716905 PMCID: PMC2763257 DOI: 10.4161/oxim.2.4.9112] [Citation(s) in RCA: 300] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/23/2009] [Revised: 05/28/2009] [Accepted: 05/28/2009] [Indexed: 02/08/2023]
Abstract
Oxidative stress contributes to the pathophysiology of exposure to heavy metals/metalloid. Beneficial renal effects of some medications, such as chelation therapy depend at least partially on the ability to alleviate oxidative stress. The administration of various natural or synthetic antioxidants has been shown to be of benefit in the prevention and attenuation of metal induced biochemical alterations. These include vitamins, N-acetylcysteine, alpha-lipoic acid, melatonin, dietary flavonoids and many others. Human studies are limited in this regard. Under certain conditions, surprisingly, the antioxidant supplements may exhibit pro-oxidant properties and even worsen metal induced toxic damage. To date, the evidence is insufficient to recommend antioxidant supplements in subject with exposure to metals. Prospective, controlled clinical trials on safety and effectiveness of different therapeutic antioxidant strategies either individually or in combination with chelating agent are indispensable. The present review focuses on structural, chemical and biological aspects of antioxidants particularly related to their chelating properties.
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Affiliation(s)
- Swaran J S Flora
- Department of Pharmacology and Toxicology, Defence Research and Development Establishment, Gwalior, India.
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Co-administration of α-Lipoic Acid and Vitamin C Protects Liver and Brain Oxidative Stress in Mice Exposed to Arsenic Contaminated Water. ACTA ACUST UNITED AC 2009. [DOI: 10.1007/s12403-009-0013-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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