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Qu F, Zheng W. Cadmium Exposure: Mechanisms and Pathways of Toxicity and Implications for Human Health. TOXICS 2024; 12:388. [PMID: 38922068 PMCID: PMC11209188 DOI: 10.3390/toxics12060388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2024] [Revised: 05/23/2024] [Accepted: 05/24/2024] [Indexed: 06/27/2024]
Abstract
Cadmium (Cd), a prevalent environmental contaminant, exerts widespread toxic effects on human health through various biochemical and molecular mechanisms. This review encapsulates the primary pathways through which Cd inflicts damage, including oxidative stress induction, disruption of Ca2+ signaling, interference with cellular signaling pathways, and epigenetic modifications. By detailing the absorption, distribution, metabolism, and excretion (ADME) of Cd, alongside its interactions with cellular components such as mitochondria and DNA, this paper highlights the extensive damage caused by Cd2+ at the cellular and tissue levels. The role of Cd in inducing oxidative stress-a pivotal mechanism behind its toxicity-is discussed with emphasis on how it disrupts the balance between oxidants and antioxidants, leading to cellular damage and apoptosis. Additionally, the review covers Cd's impact on signaling pathways like Mitogen-Activated Protein Kinase (MAPK), Nuclear Factor kappa-light-chain-enhancer of activated B cells (NF-κB), and Tumor Protein 53 (p53) pathways, illustrating how its interference with these pathways contributes to pathological conditions and carcinogenesis. The epigenetic effects of Cd, including DNA methylation and histone modifications, are also explored to explain its long-term impact on gene expression and disease manifestation. This comprehensive analysis not only elucidates the mechanisms of Cd toxicity but also underscores the critical need for enhanced strategies to mitigate its public health implications.
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Affiliation(s)
- Fei Qu
- Key Laboratory of the Public Health Safety, Ministry of Education, Department of Environmental Health, School of Public Health, Fudan University, Shanghai 200032, China;
| | - Weiwei Zheng
- Key Laboratory of the Public Health Safety, Ministry of Education, Department of Environmental Health, School of Public Health, Fudan University, Shanghai 200032, China;
- Center for Water and Health, School of Public Health, Fudan University, Shanghai 200032, China
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2
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Xing H, Liu Q, Hou Y, Tian Z, Liu J. Cadmium mediates pyroptosis of human dermal lymphatic endothelial cells in a NLRP3 inflammasome-dependent manner. J Toxicol Sci 2022; 47:237-247. [PMID: 35650140 DOI: 10.2131/jts.47.237] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Pyroptosis is a form of inflammasome-trigged programmed cell death in response to a variety of stimulators, including environmental cytotoxic pollutant Cadmium (Cd). Vascular endothelial cell is one of the first-line cell types of Cd cell toxicity. Studies report that Cd exposure causes pyroptosis in vascular endothelial cells. Vascular and lymphatic endothelial cells have many common properties, but these two cell types are distinguished in gene expression profile and the responsive behaviors to chemokine or physical stimulations. Whether Cd exposure also causes pyroptosis in lymphatic endothelial cells has not been investigated. Here, we found that Cd treatment significantly decreased the viability of human dermal lymphatic endothelial cells (HDLECs). Cd treatment induced inflammasome activation indicated by elevated cleavage of pro-caspase-1 into active form Casp1p20, elevated secretion of pro-inflammatory cytokines and production of reactive oxygen species (ROS). Flow cytometry showed that caspase-1 activity was significantly increased in Cd-treated cells. Moreover, knockdown of NLRP3 effectively rescued Cd-induced inflammasome activation and pyroptosis in HDLECs. Collectively, our results indicated that Cd induced pyroptosis in a NLRP3 inflammasome-dependent manner in lymphatic endothelial cells.
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Affiliation(s)
- Haiyan Xing
- Department of Cardiology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong First Medical University, Shandong Medicine and Health Key Laboratory of Cardiac Electrophysiology and Arrhythmia, China
| | - Qiang Liu
- Department of Cardiology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong First Medical University, Shandong Medicine and Health Key Laboratory of Cardiac Electrophysiology and Arrhythmia, China.,Institute of Microvascular Medicine, Medical Research Center, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong Medicine and Health Key Laboratory of Microvascular Medicine, China
| | - Yinglong Hou
- Department of Cardiology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong First Medical University, Shandong Medicine and Health Key Laboratory of Cardiac Electrophysiology and Arrhythmia, China
| | - Zhaoju Tian
- School of Public Health, Shandong First Medical University & Shandong Academy of Medical Sciences, China
| | - Ju Liu
- Department of Cardiology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong First Medical University, Shandong Medicine and Health Key Laboratory of Cardiac Electrophysiology and Arrhythmia, China.,Institute of Microvascular Medicine, Medical Research Center, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong Medicine and Health Key Laboratory of Microvascular Medicine, China
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Li X, Li X, Sun R, Gao M, Wang H. Cadmium exposure enhances VE‑cadherin expression in endothelial cells via suppression of ROCK signaling. Exp Ther Med 2022; 23:355. [DOI: 10.3892/etm.2022.11282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2019] [Accepted: 02/22/2022] [Indexed: 11/06/2022] Open
Affiliation(s)
- Xiaorui Li
- Public Health Clinical Center Affiliated to Shandong University, Jinan, Shandong 250100, P.R. China
| | - Xiao Li
- Department of Pathophysiology, School of Traditional Chinese Medicine, Shandong University of Traditional Medicine, Jinan, Shandong 250014, P.R. China
| | - Rong Sun
- Advanced Medical Research Institute, Shandong University, Jinan, Shandong 250014, P.R. China
| | - Mei Gao
- Shandong Medicine and Health Key Laboratory of Cardiac Electrophysiology and Arrhythmia, Department of Cardiology, The First Affiliated Hospital of Shandong First Medical University and Shandong Provincial Qianfoshan Hospital, Jinan, Shandong 250014, P.R. China
| | - Hui Wang
- Key Laboratory of Molecular and Nano Probes, Institute of Biomedical Sciences, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Ministry of Education, Jinan, Shandong 250014, P.R. China
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Abstract
Current research suggests that cadmium (Cd) exposure may be associated with the progression of diabetic nephropathy; however, the details of this relationship are insufficiently understood. The present study investigated the effects of elevated glucose on Cd-induced toxicity to glomerular cells using in vitro and in vivo models, and it demonstrated that Cd exposure and the hyperglycemia of diabetes acting together increased the risk of developing glomerular nephrosis. In vitro, human podocytes were exposed to a DMEM low-glucose media without (control), or with Cd (as CdCl2), or a high-glucose media plus Cd. The CCK-8, ROS, apoptosis, and mitochondrial transmembrane potential (ΔΨm) assays showed that human podocytes exposed to Cd in a high-glucose media had greater degrees of injury compared with cells treated with Cd at low (euglycemic)-glucose levels. In vivo, diabetic hyperglycemia was induced by streptozotocin in 8-week-old male C57BL/6 mice to which either CdCl2 or saline (control) was intraperitoneally injected twice weekly for 24 weeks. Compared with euglycemic saline-treated controls, the diabetic mice exposed to Cd demonstrated decreased body weight and increased blood urea nitrogen levels along with histopathological renal architecture changes including collagen fiber accumulation. The results of this study supported the hypothesis that hyperglycemia plus Cd exposure increases the risk of damage to glomerular podocytes compared with Cd exposure in euglycemia.
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Affiliation(s)
- Mengyang Li
- School of Public Health, 74565Soochow University, Suzhou, China
| | - Xiuxiu Liu
- School of Public Health, 74565Soochow University, Suzhou, China
| | - Zengli Zhang
- School of Public Health, 74565Soochow University, Suzhou, China
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Alshammari GM, Al-Qahtani WH, AlFaris NA, Albekairi NA, Alqahtani S, Eid R, Yagoub AEA, Al-Harbi LN, Yahya MA. Quercetin alleviates cadmium chloride-induced renal damage in rats by suppressing endoplasmic reticulum stress through SIRT1-dependent deacetylation of Xbp-1s and eIF2α. Biomed Pharmacother 2021; 141:111862. [PMID: 34246189 DOI: 10.1016/j.biopha.2021.111862] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Revised: 06/20/2021] [Accepted: 06/28/2021] [Indexed: 02/06/2023] Open
Abstract
Endoplasmic reticulum (ER) stress plays a key role in cadmium chloride (CdCl2)-induced nephrotoxicity. Sirtuin-1 (SIRT1) is a potent inhibitor of ER stress. In this study, we examined whether the protective effect of quercetin (QUR) against CdCl2-induced nephrotoxicity in rats involved modulation of SIRT1 and/or ER stress. Adult male rats were divided into five groups (n = 8, each) and treated for eight weeks as follows: control, control + QUR, CdCl2, CdCl2 + QUR, and CdCl2 + QUR + EX-527 (a SIRT1 inhibitor). Treatment of rats with QUR preserved the glomerulus and tubule structure, attenuated interstitial fibrosis, increased creatinine excretion, and reduced urinary levels of albumin, N-acetyl-β-D-glucosaminidase, and β2-microglobulin in CdCl2-treated rats. Concomitantly, QUR increased renal levels of Bcl-2, reduced mRNA levels of CHOP, and protein levels of Bax, caspase-3, and cleaved caspase-3, but failed to reduce the mRNA levels of GRP78, PERK, eIf2α, ATF-6, and xbp-1. QUR also reduced the renal levels of reactive oxygen species, tumour necrosis factor, and interleukin-6 and the nuclear activity of NF-κB in the control and CdCl2-treated rats but increased the nuclear activity of Nrf2 and levels of glutathione and manganese superoxide dismutase. Additionally, QUR increased the total levels and nuclear activity of SIRT1 and reduced the acetylation of eIf2α and xbp-1. The nephroprotective effects of QUR were abrogated by treatment with EX-527. Thus, QUR ameliorated CdCl2-induced nephrotoxicity through antioxidant and anti-inflammatory effects and suppressed ER stress mediated by the upregulation or activation of SIRT1-induced deacetylation of Nrf2, NF-κB p65, eIF2α, and xbp-1.
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Affiliation(s)
- Ghedeir M Alshammari
- Department of Food Science and Nutrition, College of Food and Agricultural Sciences, King Saud University, Riyadh, Saudi Arabia.
| | - Wahidah H Al-Qahtani
- Department of Food Science and Nutrition, College of Food and Agricultural Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Nora A AlFaris
- Nutrition and Food Science, Department of Physical Sport Science, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Norah A Albekairi
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Sultan Alqahtani
- Department of Basic Medical Sciences, College of Medicine, King Saud bin Abdulaziz University for Health Sciences (KSAU-HS), Riyadh, Saudi Arabia; King Abdullah International Medical Research Center (KAIMRC), Riyadh, Saudi Arabia
| | - Refaat Eid
- Department of Pathology, College of Medicine, King Khalid University, Abha, Saudi Arabia
| | - Abu ElGasim A Yagoub
- Department of Food Science and Nutrition, College of Food and Agricultural Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Laila Naif Al-Harbi
- Department of Food Science and Nutrition, College of Food and Agricultural Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Mohammed Abdo Yahya
- Department of Food Science and Nutrition, College of Food and Agricultural Sciences, King Saud University, Riyadh, Saudi Arabia
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Gao P, Tian Y, Xie Q, Zhang L, Yan Y, Xu D. Manganese exposure induces permeability in renal glomerular endothelial cells via the Smad2/3-Snail-VE-cadherin axis. Toxicol Res (Camb) 2020; 9:683-692. [PMID: 33178429 DOI: 10.1093/toxres/tfaa067] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 07/19/2020] [Accepted: 08/03/2020] [Indexed: 12/22/2022] Open
Abstract
Manganese (Mn) is an essential micronutrient. However, it is well established that Mn overexposure causes nervous system diseases. In contrast, there are few reports on the effects of Mn exposure on glomerular endothelium. In the present study, the potential effects of Mn exposure on glomerular endothelium were evaluated. Sprague Dawley rats were used as a model of Mn overexposure by intraperitoneal injection of MnCl2·H2O at 25 mg/kg body weight. Mn exposure decreased expression of vascular endothelial-cadherin, a key component of adherens junctions, and increased exudate from glomeruli in Sprague Dawley rats. Human renal glomerular endothelial cells were cultured with different concentration of Mn. Exposure to 0.2 mM Mn increased permeability of human renal glomerular endothelial cell monolayers and decreased vascular endothelial-cadherin expression without inducing cytotoxicity. In addition, Mn exposure increased phosphorylation of mothers against decapentaplegic homolog 2/3 and upregulated expression of zinc finger protein SNAI1, a negative transcriptional regulator of vascular endothelial-cadherin. Our data suggest Mn exposure may contribute to development of glomerular diseases by inducing permeability of glomerular endothelium.
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Affiliation(s)
- Peng Gao
- Laboratory of Microvascular Medicine, Medical Research Center, Shandong Provincial Qianfoshan Hospital, The First Affiliated Hospital of Shandong First Medical University, 16766 Jingshi Road, Jinan 250014, Shandong, China
| | - Yutian Tian
- Shandong Academy of Occupational Health and Occupational Medicine, Shandong First Medical University & Shandong Academy of Medical Sciences, 18877 Jingshi Road, Jinan 250062, Shandong, China
| | - Qi Xie
- Laboratory of Microvascular Medicine, Medical Research Center, Shandong Provincial Qianfoshan Hospital, The First Affiliated Hospital of Shandong First Medical University, 16766 Jingshi Road, Jinan 250014, Shandong, China
| | - Liang Zhang
- College of Life Sciences, Shandong Provincial Key Laboratory of Animal Resistance Biology, Institute of Biomedical Sciences, Shandong Normal University, 88 East Wenhua Road, Jinan 250014, Shandong, China
| | - Yongjian Yan
- Shandong Academy of Occupational Health and Occupational Medicine, Shandong First Medical University & Shandong Academy of Medical Sciences, 18877 Jingshi Road, Jinan 250062, Shandong, China
| | - Dongmei Xu
- Department of Nephrology, Shandong Provincial Qianfoshan Hospital, The First Affiliated Hospital of Shandong First Medical University, 16766 Jingshi Road, Jinan 250014, Shandong, China
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Lv B, Wang J, Zhuo J, Yang H, Yang S, Wang Z, Song Q. Transcriptome sequencing reveals the effects of cadmium toxicity on the cold tolerance of the wolf spider Pirata subpiraticus. CHEMOSPHERE 2020; 254:126802. [PMID: 32660694 DOI: 10.1016/j.chemosphere.2020.126802] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 04/12/2020] [Accepted: 04/12/2020] [Indexed: 06/11/2023]
Abstract
As the predominant predator of pests in rice fields, spiders have been exposed to cadmium (Cd) pollution for a long time. The livability of spiders during the overwintering period is closely related to population growth in spring, but the effects of Cd on spider's survival of cold hardness and the underlining mechanism remain unclear. In the present study, we found that some growth parameters (body length, width, mass and livability) in the wolf spider Pirata subpiraticus were altered distinctively under Cd stress. To investigate the effects of Cd toxicity on the spider at molecular levels, RNA-sequencing was performed on the spiderlings undergoing ambient temperature alterations. Transcriptome data showed that a total of 807 differentially expressed genes (DEGs) were yielded in the comparison. The obtained DEGs were mainly linked with metabolism-related process, including oxidoreductase activity and lipid transport, and 25 DEGs were associated with the reported cryoprotectants, including glycerol, arginine, cysteine, heat shock protein, glucose and mannose. Growth factors (insulin growth factor, platelet-derived growth factor and transforming growth factor) and cytochrome P450 encoding genes were dramatically expressed in the spider. Furthermore, transcriptional factors (TFs) family were characterized according to the transcriptomic profile, and ZBTB TFs were represented the most distinctive alterations in the characterized genes. Collectively, our study illustrated that Cd poses disadvantageous effects on the growth of P. subpiraticus at cold ambient temperature, and the spiders are capable of responding to the adverse Cd stress by expressing the genes involved in the metabolism of energy substances, cryoprotectants and immune-related components.
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Affiliation(s)
- Bo Lv
- College of Life Science, Hunan Normal University, Changsha, 410006, Hunan, China
| | - Juan Wang
- College of Life Science, Hunan Normal University, Changsha, 410006, Hunan, China
| | - Junzhe Zhuo
- College of Bioscience and Biotechnology, Hunan Agriculture University, Changsha, Hunan, 410128, China
| | - Huilin Yang
- College of Bioscience and Biotechnology, Hunan Agriculture University, Changsha, Hunan, 410128, China
| | - Sufang Yang
- College of Life Science, Hunan Normal University, Changsha, 410006, Hunan, China
| | - Zhi Wang
- College of Life Science, Hunan Normal University, Changsha, 410006, Hunan, China.
| | - Qisheng Song
- Division of Plant Sciences, University of Missouri, Columbia, MO, 65211, USA
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Sun Z, Xie Q, Pan J, Niu N. Cadmium regulates von Willebrand factor and occludin expression in glomerular endothelial cells of mice in a TNF-α-dependent manner. Ren Fail 2019; 41:354-362. [PMID: 31057027 PMCID: PMC6507816 DOI: 10.1080/0886022x.2019.1604383] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Background: Cadmium (Cd) is an environmental pollutant that leads to nephrotoxicity. However, the mechanisms of Cd-induced glomerular injury have not been fully clarified. Von Willebrand factor (vWF) and occludin are important endothelial cell markers in renal vasculature. In this study, the effects of Cd on the vWF and occludin expression in mouse glomeruli was investigated. Objectives: The goal of this study was to analyze the expression of von Willebrand factor and occludin in glomerular endothelial cells of tumor necrosis factor-α−/− (TNF-α−/−) mice after treatment with Cd. Material and methods: C57BL6/J wild-type (WT) mice and TNF-α−/− mice (n = 6) were treated with Cd, and the kidney tissues were collected. The expression of von Willebrand factor and occludin was detected by using quantitative real-time PCR, immunofluorescence, and immunohistochemistry. In vitro, Human umbilical vascular endothelial cells (HUVECs) were used to examine the regulatory role of TNF-α on expression of von Willebrand factor and occludin. Results: We found that Cd significantly increases mRNA and protein expressions of von Willebrand factor and occludin in TNF-α−/− mice, but not in WT mice. In vitro, Cd significantly increased mRNA and protein expression of von Willebrand factor and occludin in HUVECs with TNF-α small interfering RNA (siRNA) transfection. Conclusions: These results suggest that TNF-α acts to balance homeostasis of glomerular endothelium after Cd treatments.
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Affiliation(s)
- Zongguo Sun
- a College of Life Sciences , Shandong Normal University , Jinan , China.,b Medical Research Center, Shandong Provincial Qianfoshan Hospital , Shandong University , Jinan , China
| | - Qi Xie
- b Medical Research Center, Shandong Provincial Qianfoshan Hospital , Shandong University , Jinan , China
| | - Jie Pan
- a College of Life Sciences , Shandong Normal University , Jinan , China
| | - Na Niu
- c Department of Pediatrics , Shandong Provincial Hospital Affiliated to Shandong University , Jinan , China
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Ren L, Qi K, Zhang L, Bai Z, Ren C, Xu X, Zhang Z, Li X. Glutathione Might Attenuate Cadmium-Induced Liver Oxidative Stress and Hepatic Stellate Cell Activation. Biol Trace Elem Res 2019; 191:443-452. [PMID: 30715683 DOI: 10.1007/s12011-019-1641-x] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Accepted: 01/14/2019] [Indexed: 02/06/2023]
Abstract
The liver is a major organ involved in cadmium (Cd)-induced oxidative damage. Following liver injury, hepatic stellate cells (HSCs) are activated to participate in the wound healing process, but also facilitate liver fibrosis. Previous studies have observed fibrogenic effects of Cd on liver. However, the oxidative stress mechanisms of Cd-induced HSC activation as well as whether administration of glutathione (GSH) alleviates this activation, remain unclear. In this study, 24 rats were divided randomly into four experimental groups: control, GSH-treated, Cd-treated, and Cd + GSH-treated. After 4 weeks, the liver injury index, HSC-specific activation markers, oxidative stress-related antioxidants, and enzyme activities and signals were measured. Cd uptake and the generation of reactive oxygen species (ROS) in hepatocytes were detected by mass cytometry and fluorescence microscopy, respectively. Levels of aspartate aminotransferase, xanthine oxidase, γ-glutamyl transpeptidase, and α-smooth muscle actin (αSMA) were significantly increased in Cd-treated rats. Activated HSCs positive for αSMA expression and excess collagen deposition were detected in the Cd-treated group. In contrast, activities of the antioxidant enzymes superoxide dismutase, glutathione peroxidase, and catalase were reduced. Supplementation with GSH reversed some of the Cd-induced effects and increased the protein level of phosphorylated (p)-P65 while decreasing p-JNK. Pretreatment with GSH lowered Cd uptake and ROS generation in hepatocytes in vitro. These results indicate that administration of GSH was effective in attenuating Cd-induced oxidative stress via decreasing Cd uptake, restoring the activities of oxidative enzymes, activating NF-κB, inhibiting the JNK signaling pathway, and preventing excessive ROS generation and HSC activation.
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Affiliation(s)
- Longfei Ren
- The First Clinical Medical College, Lanzhou University; The Fifth Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, 730000, Gansu, People's Republic of China
| | - Kuo Qi
- Key Laboratory of Biotherapy and Regenerative Medicine of Gansu Province, Lanzhou, 730000, Gansu, People's Republic of China
| | - Lei Zhang
- The First Clinical Medical College, Lanzhou University; The Fifth Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, 730000, Gansu, People's Republic of China
- Hepatopancreatobiliary Surgery Institute of Gansu Province, Medical College Cancer Center of Lanzhou University, Lanzhou, 730000, Gansu, People's Republic of China
| | - Zhongtian Bai
- The First Clinical Medical College, Lanzhou University; The Fifth Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, 730000, Gansu, People's Republic of China
- Key Laboratory of Biotherapy and Regenerative Medicine of Gansu Province, Lanzhou, 730000, Gansu, People's Republic of China
| | - Chenghui Ren
- The First Clinical Medical College, Lanzhou University; The Fifth Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, 730000, Gansu, People's Republic of China
| | - Xianyun Xu
- The First Clinical Medical College, Lanzhou University; The Fifth Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, 730000, Gansu, People's Republic of China
| | - Zeliang Zhang
- The First Clinical Medical College, Lanzhou University; The Fifth Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, 730000, Gansu, People's Republic of China
| | - Xun Li
- The First Clinical Medical College, Lanzhou University; The Fifth Department of General Surgery, The First Hospital of Lanzhou University, Lanzhou, 730000, Gansu, People's Republic of China.
- Key Laboratory of Biotherapy and Regenerative Medicine of Gansu Province, Lanzhou, 730000, Gansu, People's Republic of China.
- Hepatopancreatobiliary Surgery Institute of Gansu Province, Medical College Cancer Center of Lanzhou University, Lanzhou, 730000, Gansu, People's Republic of China.
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Ranieri M, Di Mise A, Difonzo G, Centrone M, Venneri M, Pellegrino T, Russo A, Mastrodonato M, Caponio F, Valenti G, Tamma G. Green olive leaf extract (OLE) provides cytoprotection in renal cells exposed to low doses of cadmium. PLoS One 2019; 14:e0214159. [PMID: 30897184 PMCID: PMC6428325 DOI: 10.1371/journal.pone.0214159] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Accepted: 03/07/2019] [Indexed: 02/07/2023] Open
Abstract
Cadmium (Cd) is a heavy and highly toxic metal that contaminates air, food and water. Cadmium accumulates in several organs altering normal functions. The kidney is the major organ at risk of damage from chronic exposure to cadmium as a contaminant in food and water. This study aims to investigate the beneficial effects of OLE in renal collecting duct MCD4 cells exposed to a low dose cadmium (1 μM). In MCD4 cells cadmium caused an increase in ROS production, as well as generation of lipid droplets and reduced cell viability. Moreover, cadmium exposure led to a remarkable increase in the frequency of micronuclei and DNA double-strand breaks, assessed using the alkaline comet assay. In addition, cadmium dramatically altered cell cytoskeleton architecture and caused S-glutathionylation of actin. Notably, all cadmium-induced cellular deregulations were prevented by co-treatment with OLE, possibly due to its antioxidant action and to the presence of bioactive phytocompounds. Indeed, OLE treatment attenuated Cd-induced actin S-glutathionylation, thereby stabilizing actin filaments. Taken together, these observations provide a novel insight into the biological action of OLE in renal cells and support the notion that OLE may serve as a potential adjuvant against cadmium-induced nephrotoxicity.
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Affiliation(s)
- Marianna Ranieri
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari Aldo Moro, Bari, Italy
| | - Annarita Di Mise
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari Aldo Moro, Bari, Italy
| | - Graziana Difonzo
- Department of Soil, Plant and Food Sciences, University of Bari Aldo Moro, Bari, Italy
| | - Mariangela Centrone
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari Aldo Moro, Bari, Italy
| | - Maria Venneri
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari Aldo Moro, Bari, Italy
| | - Tommaso Pellegrino
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari Aldo Moro, Bari, Italy
| | - Annamaria Russo
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari Aldo Moro, Bari, Italy
| | | | - Francesco Caponio
- Department of Soil, Plant and Food Sciences, University of Bari Aldo Moro, Bari, Italy
| | - Giovanna Valenti
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari Aldo Moro, Bari, Italy
- Istituto Nazionale di Biostrutture e Biosistemi (I.N.B.B.), Bari, Italy
- Center of Excellence in Comparative Genomics (CEGBA), University of Bari, Bari, Italy
| | - Grazia Tamma
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari Aldo Moro, Bari, Italy
- Istituto Nazionale di Biostrutture e Biosistemi (I.N.B.B.), Bari, Italy
- * E-mail:
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Chen X, Li L, Liu F, Hoh J, Kapron CM, Liu J. Cadmium Induces Glomerular Endothelial Cell–Specific Expression of Complement Factor H via the −1635 AP-1 Binding Site. THE JOURNAL OF IMMUNOLOGY 2019; 202:1210-1218. [DOI: 10.4049/jimmunol.1800081] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Accepted: 12/13/2018] [Indexed: 02/06/2023]
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12
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Famurewa AC, Ejezie AJ, Ugwu-Ejezie CS, Ikekpeazu EJ, Ejezie FE. Antioxidant and anti-inflammatory mechanisms of polyphenols isolated from virgin coconut oil attenuate cadmium-induced oxidative stress-mediated nephrotoxicity and inflammation in rats. J Appl Biomed 2018. [DOI: 10.1016/j.jab.2018.02.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
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Chen X, Xu Y, Cheng Z, Su H, Liu X, Xu D, Kapron C, Liu J. Low-dose cadmium activates the JNK signaling pathway in human renal podocytes. Int J Mol Med 2018; 41:2359-2365. [PMID: 29393374 DOI: 10.3892/ijmm.2018.3445] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2017] [Accepted: 01/24/2018] [Indexed: 11/05/2022] Open
Abstract
Cadmium (Cd) is an environmental toxin. Our previous study demonstrated that low‑dose Cd damages the integrity of the glomerular filtration barrier (GFB); however, the underlying mechanisms are poorly understood. Podocytes are a major component of the GFB, which regulate the passage of proteins. The present study aimed to investigate the effects of low‑dose Cd on human renal podocytes (HRPs). HRPs were treated with Cd and activation of the c-Jun N-terminal kinase (JNK) pathway was examined by western blot analysis. Proliferation, viability and apoptosis of HRPs were evaluated by MTT assay, trypan blue exclusion assay and flow cytometry, respectively. The properties of HRPs were validated by immunofluorescence staining and Phalloidin‑labeling. The results indicated that 4 µM Cd may activate the JNK pathway, and increase the protein expression levels of c‑Jun and c‑Fos. However, proliferation, viability, apoptosis and alignment of the F‑actin cytoskeleton in HRPs were not significantly affected by Cd treatment, with or without SP600125 pretreatment. In addition, the expression levels of CD2‑associated protein and synaptopodin, which are differentiation markers of HRPs, remained unchanged following Cd treatment. These results indicated that low‑dose Cd activates the JNK pathway but does not significantly affect HRP function.
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Affiliation(s)
- Xiaocui Chen
- Medical Research Center, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, Shandong 250014, P.R. China
| | - Yinghua Xu
- School of Graduate Studies, Taishan Medical College, Tai'an, Shandong 271000, P.R. China
| | - Zuowang Cheng
- School of Graduate Studies, Taishan Medical College, Tai'an, Shandong 271000, P.R. China
| | - Hong Su
- Department of Nephrology, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, Shandong 250014, P.R. China
| | - Xiu Liu
- Department of Cardiography, Binzhou Medical University Affiliated Hospital, Binzhou, Shandong 256600, P.R. China
| | - Dongmei Xu
- Department of Nephrology, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, Shandong 250014, P.R. China
| | - Carolyn Kapron
- Department of Biology, Trent University, Peterborough, ON K9J 7B8, Canada
| | - Ju Liu
- Medical Research Center, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, Shandong 250014, P.R. China
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