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Alshehri AS, El-Kott AF, El-Gerbed MSA, El-Kenawy AE, Albadrani GM, Khalifa HS. Kaempferol prevents cadmium chloride-induced liver damage by upregulating Nrf2 and suppressing NF-κB and keap1. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:13917-13929. [PMID: 34599712 DOI: 10.1007/s11356-021-16711-3] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Accepted: 09/21/2021] [Indexed: 06/13/2023]
Abstract
This study evaluated the protective effect of kaempferol, a natural flavonoid, against cadmium chloride (CdCl2)-induced liver damage and examined the possible anti-inflammatory and antioxidant mechanisms of protection. Adult male rats were divided into 4 groups (each of 8 rats) as control, kaempferol (50 mg/kg/day orally), CdCl2 (15 ppm/day), and CdCl2 (15 ppm/day) + kaempferol (50 mg/kg/day). All treatments were given for 30 days. With no effect on attenuating the reduced food intake, kaempferol significantly increased body weight and lowered serum levels of liver injury markers including bilirubin, alanine aminotransferase (ALT), aspartate aminotransferase (AST), and gamma-glutamyltransferase 1 (γ-GTT1) in the CdCl2-treated rats. It also restored normal liver architectures, prevented hepatocyte, loss, and swelling and reduced inflammatory cell infiltration. These effects were associated with a reduction in mitochondrial permeability transition pore, as well as in the expression of cytochrome-c and cleaved caspase-3, markers of mitochondrial damage, and intrinsic cell death. In both the control positive and CdCl2-treated rats, kaempferol significantly lowered the hepatic levels of reactive oxygen species, malondialdehyde (MDA), tumor necrosis factor-α (TNF-α), Interleukine-6 (IL-6), and the nuclear activity and localization of NF-κB p65. Besides, kaempferol significantly increased the hepatic total and nuclear levels of the nuclear factor erythroid 2-related factor 2 (Nrf2) and heme oxygenase-1, as well as levels of superoxide dismutase (SOD) and reduced glutathione (GSH) but reduced the cytoplasmic protein levels of keap1. In conclusion, the protective effect of kaempferol against CdCl2-induced hepatic damage is mediated by antioxidant and anti-inflammatory effects driven by upregulating Nrf2/HO-1 axis and suppressing the NF-κB p65 and keap1.
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Affiliation(s)
- Ali S Alshehri
- Biology Department, College of Science, King Khalid University, Abha, 61421, Saudi Arabia
| | - Attalla F El-Kott
- Biology Department, College of Science, King Khalid University, Abha, 61421, Saudi Arabia.
- Zoology Department, College of Science, Damanhour University, Damanhour, 22511, Egypt.
| | - Mohamed S A El-Gerbed
- Zoology Department, College of Science, Damanhour University, Damanhour, 22511, Egypt
| | - Ayman E El-Kenawy
- Pathology Department, College of Medicine, Taif University, Taif, 21944, Saudi Arabia
| | - Ghadeer M Albadrani
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, Riyadh, 11474, Saudi Arabia
| | - Heba S Khalifa
- Zoology Department, College of Science, Damanhour University, Damanhour, 22511, Egypt
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Qiu H, Liu W, Yan Y, Long J, Xie X. Effects of waterborne cadmium exposure on Spinibarbus sinensis hepatopancreas and kidney: Mitochondrial cadmium accumulation and respiratory metabolism. Comp Biochem Physiol C Toxicol Pharmacol 2021; 248:109115. [PMID: 34153506 DOI: 10.1016/j.cbpc.2021.109115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 06/02/2021] [Accepted: 06/13/2021] [Indexed: 11/21/2022]
Abstract
To examine the relationship between heavy metal accumulation in mitochondria and their respiration function in fish during in vivo exposure, juvenile Spinibarbus sinensis were exposed to different waterborne cadmium (Cd) concentrations for up to 28 days. We measured the state III respiration rate and cytochrome c oxidase (CCO) activity of mitochondria in hepatopancreas and kidney and the accumulated Cd concentrations in mitochondria and heat-stable protein (HSP) fractions. Dose- and time-dependent Cd accumulation occurred at different levels in both organs, but was lower in hepatopancreas. When hepatopancreas mitochondrial Cd concentrations in Cd-exposed groups were > 5.5 μg/g dwt, their state III respiration rates were significantly lower than the control. CCO activity of hepatopancreas mitochondria exhibited decreasing dose- and time-dependent trends. However, kidney mitochondria respiratory activities were not affected significantly by Cd exposure. Cd concentrations in kidney HSP fraction were 2-5 times higher than in hepatopancreas under all exposure conditions, and were mainly present as non-deleterious metallothionein (MT)-Cd complexes. These results suggest that Cd accumulation occurred in hepatopancreas and kidney mitochondria of S. sinensis following waterborne Cd exposure, which significantly inhibited the respiration function of hepatopancreas mitochondria but did not have a deleterious effect on kidney mitochondria. The inhibitory pattern of hepatopancreas mitochondrial Cd concentrations related to function exhibited threshold and saturation effects, suggesting the capacity of S. sinensis to manage Cd toxicity. The difference in the relative proportion of Cd occurring as MT-Cd complexes in organs likely causes the organ-specific effects of Cd on hepatopancreas and kidney mitochondrial function.
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Affiliation(s)
- Hanxun Qiu
- Key Laboratory of Freshwater Fish Reproduction and Development, Ministry of Education, School of Life Science, Southwest University, Chongqing 400715, China
| | - Wenming Liu
- Key Laboratory of Freshwater Fish Reproduction and Development, Ministry of Education, School of Life Science, Southwest University, Chongqing 400715, China
| | - Yulian Yan
- Key Laboratory of Freshwater Fish Reproduction and Development, Ministry of Education, School of Life Science, Southwest University, Chongqing 400715, China
| | - Jing Long
- Key Laboratory of Freshwater Fish Reproduction and Development, Ministry of Education, School of Life Science, Southwest University, Chongqing 400715, China
| | - Xiaojun Xie
- Key Laboratory of Freshwater Fish Reproduction and Development, Ministry of Education, School of Life Science, Southwest University, Chongqing 400715, China.
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Długaszek M. Studies on relationships between essential and toxic elements in selected body fluids, cells and tissues. Chem Biol Interact 2019; 297:57-66. [DOI: 10.1016/j.cbi.2018.10.011] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Revised: 08/28/2018] [Accepted: 10/17/2018] [Indexed: 10/28/2022]
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Cui ZG, Jin YJ, Sun L, Zakki SA, Li ML, Feng QW, Kondo T, Ogawa R, Inadera H. Potential hazards of fenvalerate in massive pollution influence the apoptosis sensitivity. J Appl Toxicol 2017; 38:240-247. [DOI: 10.1002/jat.3517] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Revised: 07/23/2017] [Accepted: 08/06/2017] [Indexed: 12/16/2022]
Affiliation(s)
- Zheng-Guo Cui
- Graduate School of Medicine; Henan Polytechnic University; Jiaozuo 454000 China
- Department of Public Health, Graduate School of Medicine and Pharmaceutical Sciences; University of Toyama; 2630 Sugitani Toyama 930-0194 Japan
| | - Yu-Jie Jin
- Department of Public Health, Graduate School of Medicine and Pharmaceutical Sciences; University of Toyama; 2630 Sugitani Toyama 930-0194 Japan
| | - Lu Sun
- Department of Public Health, Graduate School of Medicine and Pharmaceutical Sciences; University of Toyama; 2630 Sugitani Toyama 930-0194 Japan
| | - Shahbaz Ahmad Zakki
- Department of Public Health, Graduate School of Medicine and Pharmaceutical Sciences; University of Toyama; 2630 Sugitani Toyama 930-0194 Japan
| | - Meng-Ling Li
- Department of Public Health, Graduate School of Medicine and Pharmaceutical Sciences; University of Toyama; 2630 Sugitani Toyama 930-0194 Japan
| | - Qian-Wen Feng
- Department of Public Health, Graduate School of Medicine and Pharmaceutical Sciences; University of Toyama; 2630 Sugitani Toyama 930-0194 Japan
| | - Takashi Kondo
- Department of Radiological Sciences, Graduate School of Medicine and Pharmaceutical Sciences; University of Toyama; 2630 Sugitani Toyama 930-0194 Japan
| | - Ryohei Ogawa
- Department of Radiological Sciences, Graduate School of Medicine and Pharmaceutical Sciences; University of Toyama; 2630 Sugitani Toyama 930-0194 Japan
| | - Hidekuni Inadera
- Department of Public Health, Graduate School of Medicine and Pharmaceutical Sciences; University of Toyama; 2630 Sugitani Toyama 930-0194 Japan
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Escobar MDC, Souza V, Bucio L, Hernández E, Gómez-Quiroz LE, Gutiérrez Ruiz MC. MAPK activation is involved in cadmium-induced Hsp70 expression in HepG2 cells. Toxicol Mech Methods 2010; 19:503-9. [PMID: 19817660 DOI: 10.3109/15376510903325670] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Cadmium is one of the most toxic elements to which man can be exposed at work or in the environment. By far, the most salient toxicological property of Cd is its exceptionally long half-life in the human body. Once absorbed, Cd accumulates in the human body, particularly in the liver and other vital organs. The cellular actions of Cd are extensively documented, but the molecular mechanisms underlying these actions are still not resolved. It is known that Cd activates the activator protein-1 (AP-1), but no data about the pathway involved are reported for liver. The objective was to provide a greater insight into the effect of cadmium on mitogen-activated protein kinases (MAPK's) involved in signal transduction, its relationship with AP-1 activation, and heat shock protein (Hsp) 70 expression, in HepG2 cells. AP-1 activation as a result of 5 microM CdCl(2) exposure was increased 24.5-fold over control cells after 4 h treatment. To investigate the role of the extracellular signal-regulated protein kinases (ERK's), c-Jun N-terminal kinases (JNK's) and p38 kinases in cadmium-induced AP-1 activation, specific MAPKs inhibitors were used. AP-1 activation decreased by 74% with ERK inhibition, by 83% with p38 inhibition, while inhibition of JNK decreased by 70%. Only ERK and JNK participated in Hsp70 production, conferring cell protection against cadmium damage.
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Affiliation(s)
- Ma del Carmen Escobar
- Doctorado en Biología Experimental, División de Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana-Iztapalapa, Avenida San Rafael Atlixco 186, México D.F., México
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Cadmium and mitochondria. Mitochondrion 2009; 9:377-84. [PMID: 19706341 DOI: 10.1016/j.mito.2009.08.009] [Citation(s) in RCA: 140] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2009] [Revised: 08/18/2009] [Accepted: 08/19/2009] [Indexed: 11/20/2022]
Abstract
The heavy metal cadmium (Cd) a pollutant associated with several modern industrial processes, is absorbed in significant quantities from cigarette smoke, water, food and air contaminations. It is known to have numerous undesirable effects on health in both experimental animals and humans, targeting kidney, liver and vascular system. The molecular mechanism accounting for most of the biological effects of Cd are not well-understood and the toxicity targets are largely unidentified. The present review focuses on important recent advances about the effects of cadmium on mitochondria of mammalian cells. Mitochondria are the proverbial powerhouses of the cell, running the fundamental biochemical processes that produce energy from nutrients using oxygen. They are among the key intracellular targets for different stressors including Cd. This review provides new additional informations on the cellular and molecular aspects of the interaction between Cd and cells, emphasizing alterations of mitochondria as important events in Cd cytotoxicity, thus representing an important basis for understanding the mechanisms of cadmium effect on the cells.
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Kamunde C. Early subcellular partitioning of cadmium in gill and liver of rainbow trout (Oncorhynchus mykiss) following low-to-near-lethal waterborne cadmium exposure. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2009; 91:291-301. [PMID: 19041144 DOI: 10.1016/j.aquatox.2008.10.013] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2008] [Revised: 10/16/2008] [Accepted: 10/21/2008] [Indexed: 05/27/2023]
Abstract
Non-essential metals such as cadmium (Cd) accumulated in animal cells are envisaged to partition into potentially metal-sensitive compartments when detoxification capacity is exceeded. An understanding of intracellular metal partitioning is therefore important in delineation of the toxicologically relevant metal fraction for accurate tissue residue-based assessment of toxicity. In the present study, the early intracellular Cd accumulation was studied to test the prediction that it conforms to the spillover model of metal toxicity. Juvenile rainbow trout (10-15g) were exposed for 96h to three doses of cadmium (5, 25 and 50microg/l) and a control (nominal 0microg/l Cd) in hard water followed by measurement of the changes in intracellular Cd concentrations in the gill and liver, and carcass calcium (Ca) levels. There were dose-dependent increases in Cd concentration in both organs but the accumulation pattern over time was linear in the liver and biphasic in the gill. The Cd accumulation was associated with carcass Ca loss after 48h. Comparatively, the gill accumulated 2-4x more Cd than the liver and generally the subcellular compartments reflected the organ-level patterns of accumulation. For the gill the rank of Cd accumulation in subcellular fractions was: heat-stable proteins (HSP)>heat-labile proteins (HLP)>nuclei>microsomes-lysosomes (ML)>/=mitochondria>resistant fraction while for the liver it was HSP>HLP>ML>mitochondria>nuclei>resistant fraction. Contrary to the spillover hypothesis there was no exposure concentration or internal accumulation at which Cd was not found in potentially metal-sensitive compartments. The proportion of Cd bound to the metabolically active pool (MAP) increased while that bound to the metabolically detoxified pool (MDP) decreased in gills of Cd-exposed fish but remained unchanged in the liver. Because the Cd concentration increased in all subcellular compartments while their contribution to the total increased, decreased or remained unchanged following Cd exposure, use of percentage data to infer spillover requires caution.
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Affiliation(s)
- Collins Kamunde
- Department of Biomedical Sciences, Atlantic Veterinary College, University of Prince Edward Island, Charlottetown, PE, Canada.
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Frazzoli C, Dragone R, Mantovani A, Massimi C, Campanella L. Functional toxicity and tolerance patterns of bioavailable Pd(II), Pt(II), and Rh(III) on suspended Saccharomyces cerevisiae cells assayed in tandem by a respirometric biosensor. Anal Bioanal Chem 2007; 389:2185-94. [DOI: 10.1007/s00216-007-1623-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2007] [Revised: 08/29/2007] [Accepted: 09/11/2007] [Indexed: 10/22/2022]
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Lasfer M, Vadrot N, Aoudjehane L, Conti F, Bringuier AF, Feldmann G, Reyl-Desmars F. Cadmium induces mitochondria-dependent apoptosis of normal human hepatocytes. Cell Biol Toxicol 2007; 24:55-62. [PMID: 17610031 DOI: 10.1007/s10565-007-9015-0] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2007] [Accepted: 03/27/2007] [Indexed: 10/23/2022]
Abstract
The heavy metal cadmium, an environmental pollutant, has been widely demonstrated to be toxic, in particular for liver. In murines, cadmium induces apoptosis of hepatocytes and hepatomas. In human cells, apoptosis induced by cadmium has been exclusively demonstrated in tumoral cell lines. Nothing was known in normal liver, in vitro or in vivo. In the present study, we examined the effects of cadmium in nonmalignant human hepatocytes. For that purpose, we investigated whether cadmium was able to induce apoptosis of normal human hepatocytes (NHH) in primary culture and of a SV40-immortalized human hepatocyte (IHH) cell line. Treatment of IHH and NHH with cadmium induced the presence of a sub-G(1) population at 10 and 100 micromol/L, respectively. DAPI staining of both cell types treated with cadmium 100 micromol/L revealed the induction of nuclear apoptotic bodies, supporting the hypothesis of apoptosis. In IHH and NHH, cadmium 100 micromol/L induced PARP cleavage into a 85 kDa fragment. In order to investigate the involvement of mitochondria in cadmium-induced apoptosis, we measured the mitochondrial membrane potential (Delta(Psim)). We observed that in IHH and NHH, cadmium 100 micromol/L induced a decrease of Delta(Psim). As expected, cadmium under the same conditions enhanced caspase-9 and caspase-3 activities. In addition, cadmium from 1 to 100 micromol/L induced the expression of p53 and phosphorylation of its Ser15 in IHH and NHH. In conclusion, we showed in this study that human hepatocytes were sensitive to cadmium and apoptosis induced at concentrations suggested in the literature to inhibit p53 DNA-binding and DNA repair.
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Affiliation(s)
- M Lasfer
- INSERM, U773, Université Paris 7 Denis Diderot, Faculté de Médecine X Bichat, Paris, France
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