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Kouokam JC, Speer RM, Meaza I, Toyoda JH, Lu H, Wise JP. Transcriptomic analysis reveals particulate hexavalent chromium regulates key inflammatory pathways in human lung fibroblasts as a possible mechanism of carcinogenesis. Toxicol Appl Pharmacol 2024; 485:116889. [PMID: 38479592 PMCID: PMC11069317 DOI: 10.1016/j.taap.2024.116889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Revised: 03/04/2024] [Accepted: 03/07/2024] [Indexed: 03/22/2024]
Abstract
Hexavalent chromium [Cr(VI)] is considered a major environmental health concern and lung carcinogen. However, the exact mechanism by which Cr(VI) causes lung cancer in humans remains unclear. Since several reports have demonstrated a role for inflammation in Cr(VI) toxicity, the present study aimed to apply transcriptomics to examine the global mRNA expression in human lung fibroblasts after acute (24 h) or prolonged (72 and 120 h) exposure to 0.1, 0.2 and 0.3 μg/cm2 zinc chromate, with a particular emphasis on inflammatory pathways. The results showed Cr(VI) affected the expression of multiple genes and these effects varied according to Cr(VI) concentration and exposure time. Bioinformatic analysis of RNA-Seq data based on the Gene ontology (GO), Kyoto Encyclopedia of Genes and Genomes (KEGG) and MetaCore databases revealed multiple inflammatory pathways were affected by Cr(VI) treatment. qRT-PCR data corroborated RNA-Seq findings. This study showed for the first time that Cr(VI) regulates key inflammatory pathways in human lung fibroblasts, providing novel insights into the mechanisms by which Cr(VI) causes lung cancer.
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Affiliation(s)
- J Calvin Kouokam
- Wise Laboratory of Environmental and Genetic Toxicology, Department of Pharmacology and Toxicology, University of Louisville, 500 S Preston St, Rm, 1422 Louisville, KY, USA.
| | - Rachel M Speer
- Wise Laboratory of Environmental and Genetic Toxicology, Department of Pharmacology and Toxicology, University of Louisville, 500 S Preston St, Rm, 1422 Louisville, KY, USA; Current address: Department of Pharmaceutical Sciences, University of New Mexico, Albuquerque, NM 87131, USA
| | - Idoia Meaza
- Wise Laboratory of Environmental and Genetic Toxicology, Department of Pharmacology and Toxicology, University of Louisville, 500 S Preston St, Rm, 1422 Louisville, KY, USA
| | - Jennifer H Toyoda
- Wise Laboratory of Environmental and Genetic Toxicology, Department of Pharmacology and Toxicology, University of Louisville, 500 S Preston St, Rm, 1422 Louisville, KY, USA
| | - Haiyan Lu
- Wise Laboratory of Environmental and Genetic Toxicology, Department of Pharmacology and Toxicology, University of Louisville, 500 S Preston St, Rm, 1422 Louisville, KY, USA
| | - John Pierce Wise
- Wise Laboratory of Environmental and Genetic Toxicology, Department of Pharmacology and Toxicology, University of Louisville, 500 S Preston St, Rm, 1422 Louisville, KY, USA
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Zhang T, Feng L, Cui J, Tong W, Zhao H, Wu T, Zhang P, Wang X, Gao Y, Su J, Fu X. Hexavalent Chromium Induces Neurotoxicity by Triggering Mitochondrial Dysfunction and ROS-Mediated Signals. Neurochem Res 2024; 49:660-669. [PMID: 38010603 DOI: 10.1007/s11064-023-04063-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 10/08/2023] [Accepted: 11/10/2023] [Indexed: 11/29/2023]
Abstract
Hexavalent chromium (Cr (VI)), one of the most detrimental pollutants, has been ubiquitously present in the environment and causes serious toxicity to humans, such as hepatotoxicity, nephrotoxicity, pulmonary toxicity, and cardiotoxicity. However, Cr (VI)-induced neurotoxicity in primary neuron level has not been well explored yet. Herein, potassium dichromate (K2Cr2O7) was employed to examine the neurotoxicity of Cr (VI) in rat primary hippocampal neurons. MTT test was used to examine the neural viability. Mitochondrial dysfunction was assessed by the JC-1 probe and Mito-Tracker probe. DCFH-DA and Mito-SOX Red were utilized to evaluate the oxidative status. Bcl-2 family and MAPKs expression were investigated using Western blotting. The results demonstrated that Cr (VI) treatment dose- and time-dependently inhibited neural viability. Mechanism investigation found that Cr (VI) treatment causes mitochondrial dysfunction by affecting Bcl-2 family expression. Moreover, Cr (VI) treatment also induces intracellular reactive oxygen species (ROS) generation, DNA damage, and MAPKs activation in neurons. However, inhibition of ROS by glutathione (GSH) effectually balanced Bcl-2 family expression, attenuated DNA damage and the MAPKs activation, and eventually improved neural viability neurons. Collectively, these above results above suggest that Cr (VI) causes significant neurotoxicity by triggering mitochondrial dysfunction, ROS-mediated oxidative damage and MAKPs activation.
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Affiliation(s)
- Tongtong Zhang
- Department of Neurology, People's Hospital of Linyi, Linyi, 276000, Shandong, China
| | - Lina Feng
- Shandong Key Laboratory of TCM Multi-Target Intervention and Disease Control, The Second Affiliated Hospital of Shandong First Medical University, Taian, 271000, Shandong, China
| | - Jie Cui
- Shandong Key Laboratory of TCM Multi-Target Intervention and Disease Control, The Second Affiliated Hospital of Shandong First Medical University, Taian, 271000, Shandong, China
| | - Weiwei Tong
- Department of Cardiovascular Medicine, Affiliated Taian City Central Hospital of Qingdao University, Taian, 271000, Shandong, China
| | - Han Zhao
- Department of Cardiovascular Medicine, Affiliated Taian City Central Hospital of Qingdao University, Taian, 271000, Shandong, China
| | - Tingchao Wu
- Department of Cardiovascular Medicine, Affiliated Taian City Central Hospital of Qingdao University, Taian, 271000, Shandong, China
| | - Pu Zhang
- Department of Cardiovascular Medicine, Affiliated Taian City Central Hospital of Qingdao University, Taian, 271000, Shandong, China
| | - Xianjun Wang
- Department of Neurology, People's Hospital of Linyi, Linyi, 276000, Shandong, China
| | - Yingjun Gao
- Department of Cardiovascular Medicine, Affiliated Taian City Central Hospital of Qingdao University, Taian, 271000, Shandong, China.
| | - Jing Su
- Department of Cardiovascular Medicine, Affiliated Taian City Central Hospital of Qingdao University, Taian, 271000, Shandong, China.
| | - Xiaoyan Fu
- Shandong Key Laboratory of TCM Multi-Target Intervention and Disease Control, The Second Affiliated Hospital of Shandong First Medical University, Taian, 271000, Shandong, China.
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3
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Yin CM, Niu RG, Wang H, Li XY, Zeng QF, Lan JF. Symbiotic hemolymph bacteria reduce hexavalent chromium to protect the host from chromium toxicity in Procambarus clarkii. JOURNAL OF HAZARDOUS MATERIALS 2023; 459:132257. [PMID: 37572611 DOI: 10.1016/j.jhazmat.2023.132257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Revised: 08/02/2023] [Accepted: 08/07/2023] [Indexed: 08/14/2023]
Abstract
Hexavalent chromium (Cr(VI)) is a cytotoxic heavy metal pollutant that adversely affects all life forms. Interestingly, the crustacean Procambarus clarkii exhibits a relatively high tolerance to heavy metals. The underlying mechanisms remain unclear. In this study, we investigated the role of symbiotic bacteria in P. clarkii in alleviating Cr(VI)-induced damage and explored their potential mechanisms of action. Through transcriptomic analysis, we observed that Cr(VI) activated P. clarkii's antimicrobial immune responses and altered the bacterial composition in the hemolymph. After antibiotic treatment to reduce bacterial populations, Cr(VI)-induced intestinal and liver damage worsened, and crayfish exhibited lower levels of GSH/CAT/SOD activity. The Exiguobacterium, the symbiotic bacteria in the hemolymph of P. clarkii, were proved to be primary contributor to Cr(VI) tolerance. Further investigation suggested that it resists Cr(VI) through the activation of the ABC transporter system and the reduction of Cr(VI) via the reductase gene nfsA. To validate the role of Exiguobacterium in Cr(VI) tolerance, crayfish treated with antibiotics then supplemented with Exiguobacterium H6 and recombinant E. coli (with the nfsA gene), reduced Cr(VI)-induced ovarian damage. Overall, this study revealed that the symbiotic bacteria Exiguobacterium can absorb and reduce hexavalent chromium, mitigating Cr(VI)-induced damage in P. clarkii. These findings provide new insights into hexavalent chromium tolerance mechanisms in crustaceans.
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Affiliation(s)
- Cheng-Ming Yin
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Taian 271018, China
| | - Rui-Geng Niu
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Taian 271018, China
| | - Hui Wang
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Taian 271018, China
| | - Xian-Yao Li
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Taian 271018, China
| | - Qi-Fan Zeng
- MOE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences/Key Laboratory of Tropical Aquatic Germplasm of Hainan Province, Sanya Oceanographic Institution, Ocean University of China, Qingdao, Sanya, China.
| | - Jiang-Feng Lan
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Taian 271018, China.
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El-Fadaly AA, Younis IY, Abdelhameed MF, Ahmed YH, Ragab TIM, El Gendy AENG, Farag MA, Elshamy AI, Elgamal AM. Protective Action Mechanisms of Launaea mucronata Extract and Its Nano-Formulation against Nephrotoxicity in Rats as Revealed via Biochemical, Histopathological, and UPLC-QTOF-MS/MS Analyses. Metabolites 2023; 13:786. [PMID: 37512493 PMCID: PMC10384424 DOI: 10.3390/metabo13070786] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 06/16/2023] [Accepted: 06/20/2023] [Indexed: 07/30/2023] Open
Abstract
Plants belonging to the Launaea genus have been extensively utilized ethnopharmacologically to treat a variety of diseases, including kidney disorders. Chromium is a common industrial pollutant that has been linked to kidney disease. The present work was designed for the investigation of the UPLC-QTOF-MS/MS metabolite profile of the L. mucronate ethanolic extract (LME), along with assessing the mechanistic protective actions of LME and its nano-silver formulation (LMNS) against K2Cr2O7-induced nephrotoxicity in rats. LMNE was successfully biosynthesized and confirmed using UV-Visible (UV-Vis) spectroscopy and transmission electron microscopy (TEM). The nephroprotective effects of LME and LMNE was assessed in rats exposed to potassium dichromate (K2Cr2O7, 15 mg/kg BW) to cause nephrotoxicity. LME and LMNS, separately, were administered twice daily for 14 days at doses of 200 and 400 mg/kg BW, respectively. The kidney function, catalase, UGT, Nrf2, PGE2, Cox-2, ERK, and MAPK levels in renal tissue were all assessed, along with histopathological examinations for exploring their ameliorative effects. Forty-five bioactive metabolites were annotated belonging to flavonoids, phenolic and organic acids, coumarins, and fatty acids. Metabolite profiling revealed that chlorogenic acid, apigenin, and luteolin glycosides were the main phenolics, with chlorogenic acid-O-hexoside reported for the first time in LME. The findings revealed that the serum kidney function indicators (urea and creatinine) were markedly elevated in K2Cr2O7-intoxicated rats. Furthermore, inflammatory indicators (COX-2 and PGE2), MAPK, and ERK were all markedly elevated in kidney tissue, whereas catalase, UGT, and Nrf2 levels were downregulated. Histological and immunohistochemical assays confirmed the toxic effects of K2Cr2O7 in the kidneys. In contrast, the administration of LME and LMNS prior to K2Cr2O7 considerably improved the architecture of the renal tissue, while also restoring levels of most biochemical markers. Functioning via the inhibition of the MAPK/ERK pathway, activating Nrf2, and modifying the antioxidant and metabolic enzymes, LME and LMNS exerted their nephroprotective effects against K2Cr2O7-induced toxicity.
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Affiliation(s)
- Amany A El-Fadaly
- Pharmacology Department, National Research Centre, 33 El Bohouth St., Dokki, Giza 12622, Egypt
| | - Inas Y Younis
- Pharmacognosy Department, Faculty of Pharmacy, Cairo University, Kasr el Aini St., Cairo 11562, Egypt
| | - Mohamed F Abdelhameed
- Pharmacology Department, National Research Centre, 33 El Bohouth St., Dokki, Giza 12622, Egypt
| | - Yasmine H Ahmed
- Department of Cytology and Histology, Faculty of Veterinary Medicine, Cairo University, Giza 12211, Egypt
| | - Tamer I M Ragab
- Chemistry of Natural and Microbial Products Department, National Research Centre, 33 El-Bohouth St., Dokki, Giza 12622, Egypt
| | - Abd El-Nasser G El Gendy
- Medicinal and Aromatic Plants Research Department, National Research Centre, Dokki, Giza 12622, Egypt
| | - Mohamed A Farag
- Pharmacognosy Department, Faculty of Pharmacy, Cairo University, Kasr el Aini St., Cairo 11562, Egypt
| | - Abdelsamed I Elshamy
- Chemistry of Natural Compounds Department, National Research Centre, 33 El Bohouth St., Dokki, Giza 12622, Egypt
| | - Abdelbaset M Elgamal
- Chemistry of Natural and Microbial Products Department, National Research Centre, 33 El-Bohouth St., Dokki, Giza 12622, Egypt
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Abdallah EAA, Almilaibary A, El-Refaei MF. Fagonia indica ameliorates chromium-induced nephrotoxicity: Role of antioxidant activity and pro-inflammatory cytokines in in-vivo renoprotection. ARCHIVES OF ENVIRONMENTAL & OCCUPATIONAL HEALTH 2023:1-15. [PMID: 36876577 DOI: 10.1080/19338244.2023.2185189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Chromium (Cr) is an environmental pollutant, has high redox potential, and can exist in various oxidation states, possibly leading to nephrotoxicity. As a potential treatment option, Fagonia indica (F. indica) is an herb remedy traditionally used as a phytomedicine to cure ailments. However, efficient validation of its protective effect and molecular mechanisms has not yet been established. As such, this study aims to investigate the protective effect of F. indica against Cr-induced nephrotoxicity in Swiss mice. Mice were divided into five groups: group I (negative control), group II (F. indica), group III (potassium dichromate [PDC]-treated), group IV (PDC + saline), and group V (PDC + F. indica). Our results demonstrate that group III exhibited decreases in superoxide dismutase (SOD), glutathione s-transferases (GST), glutathione peroxidase (GSH-Px), catalase (CAT), and thioredoxin peroxidase (TPX) levels. Meanwhile, protein carbonyl (PCO) and malondialdehyde (MDA) levels increased in kidney homogenates, increasing the expression of the pro-inflammatory cytokine interleukin-6 (IL-6). This was followed by elevated NF-κB, blood urea nitrogen (BUN), and creatinine serum levels in group III compared with group I. Moreover, histopathological and immunohistochemical examinations demonstrated severe damage to the renal tubular epithelial cells, as well as marked congestion and expressions of caspase-3 and NF-κB. Further, group V showed an improvement in antioxidant activity parameters and reductions in the IL-6, caspase-3, and NF-κB expressions, followed by significant decreases in NF-κB, BUN, and creatinine serum levels. Furthermore, fewer histopathological disturbances were observed compared with untreated group III. Such alterations may be attributed to the antioxidant and anti-inflammatory effects of F. indica. Therefore, our exploration reveals that F. indica is effective in protecting against Cr-induced nephrotoxicity, and it could be applied in the future to human kidney diseases caused by environmental pollutants.
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Affiliation(s)
- Eman A A Abdallah
- Faculty of Medicine, Albaha University, Albaha, Kingdom of Saudi Arabia
- Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | | | - Mohamed F El-Refaei
- Faculty of Medicine, Albaha University, Albaha, Kingdom of Saudi Arabia
- Genetic Institute, Sadat City University, Sadat City, Egypt
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6
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Inflammatory effects of hexavalent chromium in the lung: A comprehensive review. Toxicol Appl Pharmacol 2022; 455:116265. [PMID: 36208701 PMCID: PMC10024459 DOI: 10.1016/j.taap.2022.116265] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Revised: 09/23/2022] [Accepted: 09/30/2022] [Indexed: 11/23/2022]
Abstract
Besides smoking, lung cancer can be caused by other factors, including heavy metals such as cadmium, nickel, arsenic, beryllium and hexavalent chromium [Cr(VI)], which is used in multiple settings, resulting in widespread environmental and occupational exposures as well as heavy use. The mechanism by which Cr(VI) causes lung cancer is not completely understood. Currently, it is admitted chromosome instability is a key process in the mechanism of Cr(VI)-induced cancer, and previous studies have suggested Cr(VI) impacts the lung tissue in mice by triggering tissue damage and inflammation. However, the mechanism underlying Cr(VI)-induced inflammation and its exact role in lung cancer are unclear. Therefore, this review aimed to systematically examine previous studies assessing Cr(VI)-induced inflammation and to summarize the major inflammatory pathways involved in Cr(VI)-induced inflammation. In cell culture studies, COX2, VEGF, JAK-STAT, leukotriene B4 (LTB4), MAPK, NF-ҡB and Nrf2 signaling pathways were consistently upregulated by Cr(VI), clearly demonstrating that these pathways are involved in Cr(VI)-induced inflammation. In addition, Akt signaling was also shown to contribute to Cr(VI)-induced inflammation, although discrepant findings were reported. Few mechanistic studies were performed in animal models, in which Cr(VI) upregulated oxidative pathways, NF-kB signaling and the MAPK pathway in the lung tissue. Similar to cell culture studies, opposite effects of Cr(VI) on Akt signaling were reported. This work provides insights into the mechanisms by which Cr(VI) induces lung inflammation. However, discrepant findings and other major issues in study design, both in cell and animal models, suggest that further studies are required to unveil the mechanism of Cr(VI)-induced inflammation and its role in lung cancer.
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Hossini H, Shafie B, Niri AD, Nazari M, Esfahlan AJ, Ahmadpour M, Nazmara Z, Ahmadimanesh M, Makhdoumi P, Mirzaei N, Hoseinzadeh E. A comprehensive review on human health effects of chromium: insights on induced toxicity. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:70686-70705. [PMID: 36042133 DOI: 10.1007/s11356-022-22705-6] [Citation(s) in RCA: 44] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 08/20/2022] [Indexed: 05/13/2023]
Abstract
The growing use of heavy metals in most industrial activities has led to it being considered as the most important environmental pollutant that may cause harm and toxicity to animals and humans. Chromium has been found in the environment in different oxidation states such as Cr0, Cr(III), and Cr(VI) and is released from a variety of anthropogenic and natural activities. At among, trivalent and hexavalent chromium are the most stable forms. Considerably, Cr(VI) is frequently more toxic than Cr(III) because of its particular solubility and high mobility. Chronic exposure and bioaccumulation of chromium, as a heavy metal, can cause toxicity and numerous pathophysiological defects, including allergic reactions, anemia, burns, and sores especially in the stomach and small intestine, damage to sperm along with the male reproductive system, and affect various biological systems. Chromium pollution can have severe consequences for water and the soil environment. This article reviews the toxicological effects of Cr(VI) and Cr(III) and their mechanisms of toxicity and carcinogenicity.
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Affiliation(s)
- Hooshyar Hossini
- Department of Environmental Health Engineering, Faculty of Health, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Behnaz Shafie
- Food and Drug Administration, Iran University of Medical Sciences, Tehran, Iran
| | - Amir Dehghan Niri
- Department of Occupational Health Engineering, Shahid Sadoughi University of Medical Science, Yazd, Iran
| | - Mahboubeh Nazari
- Department of Medical and Surgical Nursing, School of Nursing and Midwifery, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Aylin Jahanban Esfahlan
- Department of Nursing, School of Nursing and Midwifery, Maragheh University of Medical Sciences, Maragheh, Iran
| | - Mohammad Ahmadpour
- Department of Public Health, Maragheh University of Medical Sciences, Maragheh, Iran
| | - Zohreh Nazmara
- Department of Neuroscience and Addiction Studies, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Mahnaz Ahmadimanesh
- Food and Drug Vice Presidency, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Pouran Makhdoumi
- Student research committee, Kermanshah University of Medical Science, Kermanshah, Iran
| | - Nezam Mirzaei
- Department of Environmental Health Engineering, Social Determinants of Health (SDH) Research Center, Kashan University of Medical Sciences, Kashan, Iran.
| | - Edris Hoseinzadeh
- Incubation and Innovation center, Saveh University of Medical Sciences, Saveh, Iran
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Cuevas-Magaña MY, Vega-García CC, León-Contreras JC, Hernández-Pando R, Zazueta C, García-Niño WR. Ellagic acid ameliorates hexavalent chromium-induced renal toxicity by attenuating oxidative stress, suppressing TNF-α and protecting mitochondria. Toxicol Appl Pharmacol 2022; 454:116242. [PMID: 36108929 DOI: 10.1016/j.taap.2022.116242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 08/29/2022] [Accepted: 09/08/2022] [Indexed: 11/18/2022]
Abstract
Nephrotoxicity is an important adverse effect of oxidative stress induced by hexavalent chromium [Cr(VI)]. The effect of ellagic acid, a dietary polyphenolic compound with potent antioxidant activity, was investigated in Cr(VI)-induced kidney injury. Six groups of male Wistar rats were treated intragastrically with vehicle or ellagic acid (15 and 30 mg/kg) for 10 days. On day 10, rats received saline or Cr(VI) (K2Cr2O7 15 mg/kg) subcutaneously. Cr(VI) significantly increased kidney weight, affected kidney function assessed by biomarkers in blood and urine (protein, creatinine and urea nitrogen), caused histological changes (tubular injury and glomerular capillary tuft damage), increased markers of oxidative stress and reduced the activity of antioxidant enzymes. In addition, Cr(VI) altered mitochondrial ultrastructure, impaired mitochondrial respiration, increased lipid peroxidation, and inhibited the function of mitochondrial enzymes. Pretreatment with ellagic acid (30 mg/kg) attenuated all the aforementioned alterations. Furthermore, we explored whether ellagic acid might regulate the tumor necrosis factor-alpha (TNF-α)/receptor-interacting protein kinase 3 (RIPK3) pathway, reducing Cr(VI)-induced tubular necrosis. Cr(VI) upregulated both TNF-α and RIPK3, but ellagic acid only decreased TNF-α levels, having no effect on RIPK3 content. Therefore, understanding the mechanisms through which Cr(VI) promotes necroptosis is crucial for future studies, in order to design strategies to mitigate kidney damage. In conclusion, ellagic acid attenuated Cr(VI)-induced renal alterations by preventing oxidative stress, supporting enzymatic activities, suppressing TNF-α, and preserving mitochondrial ultrastructure and function, most likely due to its antioxidant properties.
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Affiliation(s)
- Mayra Yael Cuevas-Magaña
- Department of Cardiovascular Biomedicine, National Institute of Cardiology "Ignacio Chávez", Mexico City 14080, Mexico
| | - Claudia Cecilia Vega-García
- Department of Biology of Reproduction, National Institute of Medical Sciences and Nutrition "Salvador Zubirán", Mexico City 14000, Mexico
| | - Juan Carlos León-Contreras
- Experimental Pathology Section. National Institute of Medical Sciences and Nutrition "Salvador Zubirán", Mexico City 14000, Mexico
| | - Rogelio Hernández-Pando
- Experimental Pathology Section. National Institute of Medical Sciences and Nutrition "Salvador Zubirán", Mexico City 14000, Mexico
| | - Cecilia Zazueta
- Department of Cardiovascular Biomedicine, National Institute of Cardiology "Ignacio Chávez", Mexico City 14080, Mexico
| | - Wylly Ramsés García-Niño
- Department of Cardiovascular Biomedicine, National Institute of Cardiology "Ignacio Chávez", Mexico City 14080, Mexico.
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Goyal K, Goel H, Baranwal P, Dixit A, Khan F, Jha NK, Kesari KK, Pandey P, Pandey A, Benjamin M, Maurya A, Yadav V, Sinh RS, Tanwar P, Upadhyay TK, Mittan S. Unravelling the molecular mechanism of mutagenic factors impacting human health. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:61993-62013. [PMID: 34410595 DOI: 10.1007/s11356-021-15442-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Accepted: 07/09/2021] [Indexed: 06/13/2023]
Abstract
Environmental mutagens are chemical and physical substances in the environment that has a potential to induce a wide range of mutations and generate multiple physiological, biochemical, and genetic modifications in humans. Most mutagens are having genotoxic effects on the following generation through germ cells. The influence of germinal mutations on health will be determined by their frequency, nature, and the mechanisms that keep a specific mutation in the population. Early prenatal lethal mutations have less public health consequences than genetic illnesses linked with long-term medical and social difficulties. Physical and chemical mutagens are common mutagens found in the environment. These two environmental mutagens have been associated with multiple neurological disorders and carcinogenesis in humans. Thus in this study, we aim to unravel the molecular mechanism of physical mutagens (UV rays, X-rays, gamma rays), chemical mutagens (dimethyl sulfate (DMS), bisphenol A (BPA), polycyclic aromatic hydrocarbons (PAHs), 5-chlorocytosine (5ClC)), and several heavy metals (Ar, Pb, Al, Hg, Cd, Cr) implicated in DNA damage, carcinogenesis, chromosomal abnormalities, and oxidative stress which leads to multiple disorders and impacting human health. Biological tests for mutagen detection are crucial; therefore, we also discuss several approaches (Ames test and Mutatox test) to estimate mutagenic factors in the environment. The potential risks of environmental mutagens impacting humans require a deeper basic knowledge of human genetics as well as ongoing research on humans, animals, and their tissues and fluids.
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Affiliation(s)
- Keshav Goyal
- Department of Microbiology, Ram Lal Anand College, University of Delhi, New Delhi, India
| | - Harsh Goel
- Department of Laboratory Oncology, All India Institute of Medical Sciences, New Delhi, India
| | - Pritika Baranwal
- Department of Microbiology, Ram Lal Anand College, University of Delhi, New Delhi, India
| | - Aman Dixit
- Department of Microbiology, Ram Lal Anand College, University of Delhi, New Delhi, India
| | - Fahad Khan
- Department of Biotechnology, Noida Institute of Engineering & Technology, 19, Knowledge Park-II, Institutional Area, Greater Noida, 201306, India
| | - Niraj Kumar Jha
- Department of Biotechnology, School of Engineering and Technology (SET), Sharda University, Greater Noida, India
| | | | - Pratibha Pandey
- Department of Biotechnology, Noida Institute of Engineering & Technology, 19, Knowledge Park-II, Institutional Area, Greater Noida, 201306, India
| | - Avanish Pandey
- Department of Laboratory Oncology, All India Institute of Medical Sciences, New Delhi, India
| | - Mercilena Benjamin
- Department of Laboratory Oncology, All India Institute of Medical Sciences, New Delhi, India
| | - Ankit Maurya
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi, India
| | - Vandana Yadav
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
| | - Rana Suryauday Sinh
- Department of Microbiology and Biotechnology Centre, Maharaja Sayajirao University, Baroda, India
| | - Pranay Tanwar
- Department of Laboratory Oncology, All India Institute of Medical Sciences, New Delhi, India
| | - Tarun Kumar Upadhyay
- Department of Biotechnology, Parul Institute of Applied Sciences & Centre of Research for Development, Parul University, Vadodara, Gujarat, India.
| | - Sandeep Mittan
- Department of Cardiology, Ichan School of Medicine, Mount Sinai Hospital, 1 Gustave L. Levy Place, New York, NY, USA
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10
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Li T, Zheng Y, Li T, Guo M, Wu X, Liu R, Liu Q, You X, Zeng W, Lv Y. Potential dual protective effects of melatonin on spermatogonia against hexavalent chromium. Reprod Toxicol 2022; 111:92-105. [DOI: 10.1016/j.reprotox.2022.05.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 05/06/2022] [Accepted: 05/16/2022] [Indexed: 01/18/2023]
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Jin L, Kom MC, Fu G, Xie Y, Gao Y, Shen J, Huang H, Hu B, Yan J. Hexavalent chromium induces hepatocyte apoptosis via regulation of apoptosis signal-regulating kinase 1/c-Jun amino-terminal kinase signaling. ENVIRONMENTAL TOXICOLOGY 2022; 37:1288-1296. [PMID: 35166444 DOI: 10.1002/tox.23483] [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: 04/10/2021] [Revised: 09/24/2021] [Accepted: 01/22/2022] [Indexed: 06/14/2023]
Abstract
With the spread of hexavalent chromium (Cr(VI)) contamination, Cr(VI)-induced hepatotoxicity has attracted increasing attention in recent years. To date, however, the exact mechanism of Cr(VI) toxicity remains unclear. In this study, we investigated the role of apoptosis signal-regulating kinase 1 (ASK1)/c-Jun amino-terminal kinase (JNK) in Cr(VI)-induced hepatic toxicity and the possible related mechanisms. AML-12 hepatocyte cell-lines were treated with 0, 1, 4, and 16 μmol/Lof Cr(VI) with or without GS-444271 (an ASK1 inhibitor). Adult male mice were administered with 0, 2, 8, and 32 mg/kg body mass (BM)/day of Cr(VI) for 5 days. The level of hepatocyte apoptosis/proliferation, generation of reactive oxygen species (ROS), and expression levels of mRNAs and proteins related to ASK1/JNK and nuclear factor-E2-related factor 2 (Nrf2) signaling were assessed. Results showed that high Cr(VI) exposure induced hepatocyte apoptosis and liver injury by generation of ROS and down-regulation of Nrf2 signaling. In addition, ASK1/JNK signaling activity was upregulated in the Cr(VI)-treated group. Furthermore, GS-444217 treatment significantly rescued Cr(VI)-induced hepatocyte apoptosis and liver dysfunction in vitro and in vivo by down-regulation of ASK1/JNK signaling. Thus, ASK1/JNK signaling appears to play an important role in Cr(VI)-induced hepatocyte apoptosis and liver injury. This study should help improve our understanding of the mechanism of Cr(VI)-induced liver injury and provide support for future investigations on liver disease therapy.
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Affiliation(s)
- Lifang Jin
- School of Life Science, Shaoxing University, Zhejiang, China
| | | | - Guoquan Fu
- School of Life Science, Shaoxing University, Zhejiang, China
| | - Yixia Xie
- School of Life Science, Shaoxing University, Zhejiang, China
| | - Yue Gao
- School of Life Science, Shaoxing University, Zhejiang, China
| | - Jiayuan Shen
- School of Life Science, Shaoxing University, Zhejiang, China
- Department of Pathology, Affiliated Hospital of Shaoxing University, Zhejiang, China
| | - Huarong Huang
- College of Life and Environmental Science, Hangzhou Normal University, Hangzhou, China
| | - Baowei Hu
- School of Life Science, Shaoxing University, Zhejiang, China
| | - Junyan Yan
- School of Life Science, Shaoxing University, Zhejiang, China
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12
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Abstract
Chromium (Cr) is a common element in the Earth’s crust. It may exist in different oxidation states, Cr(0), Cr(III) and Cr(VI), with Cr(III) and Cr(VI) being relatively stable and largely predominant. Chromium’s peculiarity is that its behavior relies on its valence state. Cr(III) is a trace element in humans and plays a major role in glucose and fat metabolism. The beneficial effects of Cr(III) in obesity and types 2 diabetes are known. It has been long considered an essential element, but now it has been reclassified as a nutritional supplement. On the other hand, Cr(VI) is a human carcinogen and exposure to it occurs both in occupational and environmental contexts. It induces also epigenetic effects on DNA, histone tails and microRNA; its toxicity seems to be related to its higher mobility in soil and swifter penetration through cell membranes than Cr(III). The microorganisms Acinetobacter sp. Cr1 and Pseudomonas sp. Cr13 have been suggested as a promising agent for bioremediation of Cr(VI). This review intends to underline the important role of Cr(III) for human health and the dangerousness of Cr(VI) as a toxic element. The dual and opposing roles of this metal make it particularly interesting. An overview of the recent literature is reported in support.
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13
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Lin CY, Hsieh YT, Chan LY, Yang TY, Maeda T, Chang TM, Huang HC. Dictamnine delivered by PLGA nanocarriers ameliorated inflammation in an oxazolone-induced dermatitis mouse model. J Control Release 2021; 329:731-742. [DOI: 10.1016/j.jconrel.2020.10.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 09/10/2020] [Accepted: 10/03/2020] [Indexed: 01/13/2023]
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14
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Jia J, Li T, Yao C, Chen J, Feng L, Jiang Z, Shi L, Liu J, Chen J, Lou J. Circulating differential miRNAs profiling and expression in hexavalent chromium exposed electroplating workers. CHEMOSPHERE 2020; 260:127546. [PMID: 32758765 DOI: 10.1016/j.chemosphere.2020.127546] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 06/25/2020] [Accepted: 06/26/2020] [Indexed: 06/11/2023]
Abstract
Hexavalent chromium [Cr (Ⅵ)] has extensive applications in industries, and long-term occupational exposure to Cr (Ⅵ) may lead to lung carcinoma and other cancers. While microRNA (miRNA) can take part in carcinogenesis, little is known about its expression profile in the population with Cr (Ⅵ) exposure. Thus, this study aimed to explore miRNA expression profiles in Cr (Ⅵ) exposed workers and to identify the potential biological function of differentially expressed miRNAs. A total of 45 significant differentially expressed miRNAs were identified by the miRNA array. The results of validation showed that miR-19a-3p, miR-19b-3p, and miR-142-3p were downregulated and miR-590-3p and miR-941 were upregulated in the exposure group. Multivariate analysis demonstrated that age, exposure duration and urinary chromium level were associated with one or more miRNAs expression. Target gene analysis indicated that these miRNAs might participate in the regulation of DNA damage-related signaling pathways. Taken together, Cr (Ⅵ) exposure can result in differential expression of miRNAs in occupational workers, and the expression of these miRNAs is correlated with the level and duration of Cr (Ⅵ) exposure, and the differentially expressed miRNAs may participate in DNA damage response.
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Affiliation(s)
- Junlin Jia
- Hangzhou Medical College, Hangzhou, 310053, China
| | - Tao Li
- Hangzhou Medical College, Hangzhou, 310053, China; Institute of Occupational Diseases, Zhejiang Academy of Medical Sciences, Hangzhou, Zhejiang, 310013, China
| | - Chunji Yao
- Hangzhou Medical College, Hangzhou, 310053, China; Institute of Occupational Diseases, Zhejiang Academy of Medical Sciences, Hangzhou, Zhejiang, 310013, China
| | - Junfei Chen
- Hangzhou Medical College, Hangzhou, 310053, China; Institute of Occupational Diseases, Zhejiang Academy of Medical Sciences, Hangzhou, Zhejiang, 310013, China
| | - Lingfang Feng
- Hangzhou Medical College, Hangzhou, 310053, China; Institute of Occupational Diseases, Zhejiang Academy of Medical Sciences, Hangzhou, Zhejiang, 310013, China
| | - Zhaoqiang Jiang
- Hangzhou Medical College, Hangzhou, 310053, China; Institute of Occupational Diseases, Zhejiang Academy of Medical Sciences, Hangzhou, Zhejiang, 310013, China
| | - Li Shi
- Hangzhou Medical College, Hangzhou, 310053, China; Institute of Occupational Diseases, Zhejiang Academy of Medical Sciences, Hangzhou, Zhejiang, 310013, China
| | - Jiaqi Liu
- Hangzhou Medical College, Hangzhou, 310053, China; Institute of Occupational Diseases, Zhejiang Academy of Medical Sciences, Hangzhou, Zhejiang, 310013, China
| | - Junqiang Chen
- Hangzhou Medical College, Hangzhou, 310053, China; Institute of Occupational Diseases, Zhejiang Academy of Medical Sciences, Hangzhou, Zhejiang, 310013, China
| | - Jianlin Lou
- Hangzhou Medical College, Hangzhou, 310053, China; Institute of Occupational Diseases, Zhejiang Academy of Medical Sciences, Hangzhou, Zhejiang, 310013, China.
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15
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Ferreira LMR, Cunha-Oliveira T, Sobral MC, Abreu PL, Alpoim MC, Urbano AM. Impact of Carcinogenic Chromium on the Cellular Response to Proteotoxic Stress. Int J Mol Sci 2019; 20:ijms20194901. [PMID: 31623305 PMCID: PMC6801751 DOI: 10.3390/ijms20194901] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 09/22/2019] [Accepted: 09/30/2019] [Indexed: 12/22/2022] Open
Abstract
Worldwide, several million workers are employed in the various chromium (Cr) industries. These workers may suffer from a variety of adverse health effects produced by dusts, mists and fumes containing Cr in the hexavalent oxidation state, Cr(VI). Of major importance, occupational exposure to Cr(VI) compounds has been firmly associated with the development of lung cancer. Counterintuitively, Cr(VI) is mostly unreactive towards most biomolecules, including nucleic acids. However, its intracellular reduction produces several species that react extensively with biomolecules. The diversity and chemical versatility of these species add great complexity to the study of the molecular mechanisms underlying Cr(VI) toxicity and carcinogenicity. As a consequence, these mechanisms are still poorly understood, in spite of intensive research efforts. Here, we discuss the impact of Cr(VI) on the stress response—an intricate cellular system against proteotoxic stress which is increasingly viewed as playing a critical role in carcinogenesis. This discussion is preceded by information regarding applications, chemical properties and adverse health effects of Cr(VI). A summary of our current understanding of cancer initiation, promotion and progression is also provided, followed by a brief description of the stress response and its links to cancer and by an overview of potential molecular mechanisms of Cr(VI) carcinogenicity.
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Affiliation(s)
- Leonardo M R Ferreira
- Department of Surgery and Diabetes Center and Sean N. Parker Autoimmune Research Laboratory, University of California, San Francisco, San Francisco, CA 94143, USA.
| | - Teresa Cunha-Oliveira
- CNC-Center for Neuroscience and Cell Biology, University of Coimbra, UC-Biotech, Biocant Park, 3060-197 Cantanhede, Portugal.
| | - Margarida C Sobral
- Department of Life Sciences, University of Coimbra, 3000-456 Coimbra, Portugal.
| | - Patrícia L Abreu
- Instituto de Medicina Molecular João Lobo Antunes, Faculty of Medicine, University of Lisbon, 1649-028 Lisbon, Portugal.
| | - Maria Carmen Alpoim
- Department of Life Sciences, Center of Investigation in Environment, Genetics and Oncobiology (CIMAGO) and CNC-Center for Neuroscience and Cell Biology, University of Coimbra, 3000-456 Coimbra, Portugal.
| | - Ana M Urbano
- Department of Life Sciences, Molecular Physical Chemistry Research Unit and Center of Investigation in Environment, Genetics and Oncobiology (CIMAGO), University of Coimbra, 3000-456 Coimbra, Portugal.
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16
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Hu G, Feng H, Long C, Zhou D, Li P, Gao X, Chen Z, Wang T, Jia G. LncRNA expression profiling and its relationship with DNA damage in Cr(VI)-treated 16HBE cells. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 655:622-632. [PMID: 30476843 DOI: 10.1016/j.scitotenv.2018.11.074] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2018] [Revised: 11/05/2018] [Accepted: 11/06/2018] [Indexed: 06/09/2023]
Abstract
Compounds containing hexavalent chromium [Cr(VI)] were Group I human carcinogens which were mutagenic and can induce DNA damage. Cr(VI) exposure could cause a lot of changes in mRNA, protein and microRNA expression as well as DNA methylation. There were still few studies on the role of long non-coding RNA (lncRNA) in the carcinogenic process of Cr(VI). In current study, lncRNA expression profiling and bioinformatics analysis in 16HBE cells treated by Cr(VI) were performed. The cell counting kit-8 (CCK-8) assay and the comet assay were done to assess the cell viability and DNA damage in Cr(VI)-treated 16HBE cells respectively. The lncRNA expression profile was performed by Arraystar Microarray V3.0 in 16HBE cells treated with 0.00 and 10.00 μmol/L Cr(VI). Real-time quantitative polymerase chain reaction (RT-qPCR) was applied to verify some significantly altered lncRNAs. Gene ontology (GO), kyoto encyclopedia of genes and genomes (KEGG) analysis and mRNA-lncRNA network analysis were conducted to identify related biological processes, signal pathway and critical lncRNAs. It was found that Cr(VI) could induce cells viability decline and alter lncRNA expression profile of 16HBE cells. 1868 lncRNAs were significantly up-regulated and 2203 lncRNAs were significantly down-regulated which formed a complex regulation network. With the increase of Cr(VI) concentration, some lncRNAs increased or decreased gradually. The differentially expressed LncRNA profiling induced by Cr(VI) were associated with immune response, cell cycle, DNA damage and repair and so on. RP11-388M20.9 and AC092620.3 were nonlinearly decreasing with the change of the DNA content of comet tails (Tail DNA), tail length (TLL), tail moment (TM) and Olive Tail Moment (OTM), and the fitting results of Tail DNA and TM were statistically significant (P < 0.05). It was possible for RP11-388M20.9 to regulate DNA damage by interacting with the target gene after Cr(VI) exposure, and was likely to be a potential biomarker of DNA damage in Cr(VI)-treated 16HBE cells.
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Affiliation(s)
- Guiping Hu
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing, China
| | - Huimin Feng
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing, China
| | - Changmao Long
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing, China
| | - Di Zhou
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing, China
| | - Ping Li
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing, China
| | - Xin Gao
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing, China
| | - Zhangjian Chen
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing, China
| | - Tiancheng Wang
- Department of Clinical Laboratory, Third Hospital of Peking University, Beijing, China
| | - Guang Jia
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing, China.
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17
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Camponogara C, Casoti R, Brusco I, Piana M, Boligon AA, Cabrini DA, Trevisan G, Ferreira J, Silva CR, Oliveira SM. Tabernaemontana catharinensis leaves exhibit topical anti-inflammatory activity without causing toxicity. JOURNAL OF ETHNOPHARMACOLOGY 2019; 231:205-216. [PMID: 30445106 DOI: 10.1016/j.jep.2018.11.021] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Revised: 11/10/2018] [Accepted: 11/12/2018] [Indexed: 06/09/2023]
Abstract
BACKGROUND Tabernaemontana catharinensis, popularly known as snake skin, has been empirically used as an anti-inflammatory to treat cutaneous skin disorders. However, no study proves its effectiveness as a topical anti-inflammatory. STUDY DESIGN We investigated the topical anti-inflammatory effect of T.catharinensis leaves crude extract (TcE) in irritant contact dermatitis models in mice and its preliminary toxicity profile. METHODS The topical anti-inflammatory effect was evaluated by ear thickness measurement, inflammatory cell infiltration (MPO activity measurement and histological procedure) and cytokines levels. TcE qualitative phytochemical analysis was performed by UHPLC-ESI-HRMS and the TcE effect (therapeutic dose; 10 µg/ear) on preliminary toxicological parameters was also evaluated (on the 14° day of experiment). RESULTS TcE (10 μg/ear) prevented the development of ear edema induced by cinnamaldehyde, capsaicin, arachidonic acid, phenol, and croton oil with maximum inhibition of 100% to cinnamaldehyde, arachidonic acid, phenol, and croton oil and 75 ± 6% to capsaicin. Besides, the TcE (10 μg/ear) also prevented the increase of MPO activity by 96 ± 2%, 48 ± 7%, 100%, 87 ± 8%, and 93 ± 4%, respectively, to the same irritant agents. The positive controls also prevented both ear edema and the increased of MPO activity by 100% and 42 ± 8% (HC-030031), 54 ± 6% and 80 ± 4% (SB-366791), 100% and 54 ± 5% (indomethacin), 100% and 80 ± 4% (dexamethasone in skin inflammation model induced by phenol) and 100% and 97 ± 3% (dexamethasone in inflammation model induced by croton oil), respectively. TcE also prevented the inflammatory cells infiltration and the increase of MIP-2, IL-1β and TNF-α levels irritant agents-induced. TcE topical anti-inflammatory effect may be attributed to the combined effect of indole alkaloids, terpenes, and phenolic compounds found in the extract and identified by dereplication method. The TcE' therapeutic dose proved to be safe in preliminary toxicological tests. CONCLUSION Our results suggest that TcE could be an interesting strategy for the treatment of inflammatory diseases.
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Affiliation(s)
- Camila Camponogara
- Laboratory Neurotoxicity and Psychopharmacology, Graduate Program in Biological Sciences: Toxicological Biochemistry, Center of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Rosana Casoti
- School of Pharmaceutical Sciencies of Ribeirão Preto- University of São Paulo (FCFRP-USP), Ribeirão Preto (SP), Brazil
| | - Indiara Brusco
- Laboratory Neurotoxicity and Psychopharmacology, Graduate Program in Biological Sciences: Toxicological Biochemistry, Center of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Mariana Piana
- Phytochemical Research Laboratory, Graduate Program in Pharmaceutical Sciences, Health Sciences Center, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Aline A Boligon
- Phytochemical Research Laboratory, Graduate Program in Pharmaceutical Sciences, Health Sciences Center, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Daniela Almeida Cabrini
- Graduate Program in Pharmacology, Department of Pharmacology, Federal University of Paraná, Curitiba, PR, Brazil
| | - Gabriela Trevisan
- Graduate Program in Physiology and Pharmacology, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Juliano Ferreira
- Graduate Program in Pharmacology, Department of Pharmacology, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Cássia Regina Silva
- Graduate Program in Genetics and Biochemistry, Institute of Genetics and Biochemistry, Federal University of Uberlandia, Uberlandia, MG
| | - Sara Marchesan Oliveira
- Laboratory Neurotoxicity and Psychopharmacology, Graduate Program in Biological Sciences: Toxicological Biochemistry, Center of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS, Brazil.
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18
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Camponogara C, Silva CR, Brusco I, Piana M, Faccin H, de Carvalho LM, Schuch A, Trevisan G, Oliveira SM. Nasturtium officinale R. Br. effectively reduces the skin inflammation induced by croton oil via glucocorticoid receptor-dependent and NF-κB pathways without causing toxicological effects in mice. JOURNAL OF ETHNOPHARMACOLOGY 2019; 229:190-204. [PMID: 30339978 DOI: 10.1016/j.jep.2018.10.011] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2018] [Revised: 09/25/2018] [Accepted: 10/09/2018] [Indexed: 06/08/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Inflammatory skin diseases treatments currently used cause adverse effects. Nasturtium officinale (watercress) is used popularly as an anti-inflammatory. However, until now, no study proved its effectiveness as a topical treatment to inflammatory skin diseases. The topical anti-inflammatory activity of N. officinale crude extract leaves (NoE) on an irritant contact dermatitis (ICD) model croton oil-induced in mice was investigated. MATERIALS AND METHODS ICD models were induced by a single (1 mg/ear; acute) or repeated (0.4 mg/ear; chronic; 9 days total) croton oil application. NoE and dexamethasone solutions' (diluted in acetone; 20 μL/ear) or NoE gel, dexamethasone gel and base gel (15 mg/ear) were topically applied immediately after croton oil application. The NoE topical anti-inflammatory effect was evaluated for inflammatory parameters (ear edema, inflammatory cells infiltration, and inflammatory cytokines levels). NoE topical anti-inflammatory mechanism (NF-κB pathway and effect glucocorticoid-like) were assessed by western blot and ear edema analyses, respectively. UHPLC-MS/MS chromatography, gels accelerated stability and preliminary study of adverse effects was also performed. RESULTS UHPLC-MS/MS of the NoE revealed the presence of coumaric acid, rutin, and ferulic acid. NoE gels stability study showed no relevant changes at low temperature. NoE, dexamethasone, NoE gel and dexamethasone gel inhibited the ear edema croton oil-induced by 82 ± 6% (1 mg/ear), 99 ± 1% (0.1 mg/ear), 81 ± 8% (3%) and 70 ± 6% (0.5%) for the acute model, and 49 ± 7% (1 mg/ear), 80 ± 4% (0.1 mg/ear), 41 ± 8% (3%) and 46 ± 14% (0.5%) for the chronic model, respectively. The same treatments also reduced the inflammatory cells infiltration by 62 ± 3% (1 mg/ear), 97 ± 2% (0.1 mg/ear), 60 ± 3% (3%) and 66 ± 6% (0.5%) for the acute model, respectively, and 25 ± 8% (1 mg/ear) to NoE and 83 ± 13% to dexamethasone to the chronic model. NoE and NoE gel reduced the pro-inflammatory cytokines levels (acute ICD model) by 62 ± 5% and 71 ± 3% (MIP-2) and 32 ± 3% and 44 ± 4% (IL-1β), while dexamethasone solution's and gel reduced by 79 ± 7% and 44 ± 4% to MIP-2 and 98 ± 2% and 83 ± 9% to IL-1β, respectively. NoE' and dexamethasone' solutions inhibited the reduction of IkB-α protein expression induced by croton oil by 100% and 80 ± 14%, respectively. Besides, the mifepristone (glucocorticoid receptor antagonist) pre-treatment prevented the topical anti-edematogenic effect of NoE' and dexamethasone' solutions by 61 ± 5% to NoE and 78 ± 16% to dexamethasone. The repeated topical application of NoE did not cause adverse effects. CONCLUSION Our results suggest the N. officinale use in the cutaneous inflammatory process treatment and demonstrate the NoE potential to develop a promising topical anti-inflammatory agent to treat inflammatory disorders.
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Affiliation(s)
- Camila Camponogara
- Laboratory Neurotoxicity and Psychopharmacology, Graduate Program in Biological Sciences: Toxicological Biochemistry, Center of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Cássia R Silva
- Graduate Program in Genetics and Biochemistry, Institute of Genetics and Biochemistry, Federal University of Uberlandia, Uberlandia, MG, Brazil
| | - Indiara Brusco
- Laboratory Neurotoxicity and Psychopharmacology, Graduate Program in Biological Sciences: Toxicological Biochemistry, Center of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Mariana Piana
- Phytochemical Research Laboratory, Graduate Program in Pharmaceutical Sciences, Health Sciences Center, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Henrique Faccin
- Graduate Program in Chemistry, Center of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Leandro Machado de Carvalho
- Graduate Program in Chemistry, Center of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - André Schuch
- Graduate Program in Biological Sciences: Toxicological Biochemistry, Center of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Gabriela Trevisan
- Graduate Program in Physiology and Pharmacology, Federal University of Santa Maria, Santa Maria, Camobi, Santa Maria, RS, Brazil
| | - Sara Marchesan Oliveira
- Laboratory Neurotoxicity and Psychopharmacology, Graduate Program in Biological Sciences: Toxicological Biochemistry, Center of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS, Brazil; Graduate Program in Biological Sciences: Toxicological Biochemistry, Center of Natural and Exact Sciences, Federal University of Santa Maria, Santa Maria, RS, Brazil.
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19
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Grosicka-Maciąg E, Kurpios-Piec D, Woźniak K, Kowalewski C, Szumiło M, Drela N, Kiernozek E, Suchocki P, Rahden-Staroń I. Selol (Se IV) modulates adhesive molecules in control and TNF-α-stimulated HMEC-1 cells. J Trace Elem Med Biol 2019; 51:106-114. [PMID: 30466918 DOI: 10.1016/j.jtemb.2018.10.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Revised: 09/13/2018] [Accepted: 10/04/2018] [Indexed: 12/13/2022]
Abstract
Selol, an organic selenitetrigliceride formulation containing selenium at +4 oxidation level, has been suggested as anticancer drug. One of the causes of several diseases including cancer may be inflammation. This study aimed at determining the activity of Selol via measuring its effect on reactive oxygen species (ROS) generation, nuclear factor kappa B (NF-κB) activation, intercellular cell adhesion molecules-1 (ICAM-1), vascular cell adhesive molecule-1 (VCAM-1), and plateled-endothelial cell adhesive molecule-1 (PECAM-1) levels on control and on tumor necrosis factor-α (TNF-α)-stimulated human microvascular endothelial cells (HMEC-1). Cells were treated either with Selol 5% (4 or 8 μgSe/mL) or TNF-α (10 ng/mL) alone or with Selol concomitant with TNF-α. Selol treatment resulted in ROS generation, activation of NF-κB, downregulation of PECAM-1, VCAM-1 and slight upregulation ICAM-1 expression on the cell surface. TNF-α treatment reflected in sharp NF-κB activation, upregulation of both ICAM-1 and VCAM-1 in parallel with the downregulation of PECAM-1 expression on cell surface. Exposure to both compounds upregulated ICAM-1 and VCAM-1, downregulated PECAM-1 level on cell surface in parallel with no changes in level of NF-κB activation as compared with effects mediated by TNF-α alone. These results points to new look at Selol action since it shows a pro-inflammatory activity in parallel with effects on CAMs expression on the cell surface of human microvascular endothelial cells. However, since Selol enhances CAMs expression level when is present concomitantly with TNF-α this fact might suggest that selenium present in the condition of inflammation will make it worse.
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Affiliation(s)
- Emilia Grosicka-Maciąg
- Department of Biochemistry, Medical University of Warsaw, 02-097 Warszawa, Banacha 1, Poland.
| | - Dagmara Kurpios-Piec
- Department of Biochemistry, Medical University of Warsaw, 02-097 Warszawa, Banacha 1, Poland.
| | - Katarzyna Woźniak
- Department of Dermatology and Immunodermatology, Medical University of Warsaw, 02-008 Warszawa, Koszykowa 82a, Poland.
| | - Cezary Kowalewski
- Department of Dermatology and Immunodermatology, Medical University of Warsaw, 02-008 Warszawa, Koszykowa 82a, Poland.
| | - Maria Szumiło
- Department of Biochemistry, Medical University of Warsaw, 02-097 Warszawa, Banacha 1, Poland.
| | - Nadzieja Drela
- Immunology Department, Faculty of Biology, University of Warsaw, 02-096 Warszawa, Miecznikowa 1, Poland.
| | - Ewelina Kiernozek
- Immunology Department, Faculty of Biology, University of Warsaw, 02-096 Warszawa, Miecznikowa 1, Poland.
| | - Piotr Suchocki
- Department of Bioanalysis and Drug Analysis, Medical University of Warsaw, 02-097 Warszawa, Banacha 1, Poland.
| | - Iwonna Rahden-Staroń
- Department of Biochemistry, Medical University of Warsaw, 02-097 Warszawa, Banacha 1, Poland.
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20
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Wang BJ, Chiu HW, Lee YL, Li CY, Wang YJ, Lee YH. Pterostilbene Attenuates Hexavalent Chromium-Induced Allergic Contact Dermatitis by Preventing Cell Apoptosis and Inhibiting IL-1β-Related NLRP3 Inflammasome Activation. J Clin Med 2018; 7:jcm7120489. [PMID: 30486377 PMCID: PMC6306791 DOI: 10.3390/jcm7120489] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2018] [Revised: 11/22/2018] [Accepted: 11/23/2018] [Indexed: 12/19/2022] Open
Abstract
Hexavalent chromium (Cr(VI)) is widely used in many industries but can induce contact dermatitis especially in cement industries. Many cement workers suffer from Cr(VI)-induced allergic contact dermatitis (ACD), and prevention and therapeutic strategies are still lacking. Pterostilbene (PT) is a natural compound predominantly found in blueberries. Studies indicate the potential use of PT as an effective anti-oxidative and anti-inflammatory agent. Herein, we investigated the possible mechanisms involved and whether chromium-induced ACD could be effectively inhibited by treating PT. In our in vivo study, epidermal Cr(VI) administration causes cutaneous inflammation in mice ear skin, and the pro-inflammatory cytokines, TNF-α and IL-1β, were found in the epidermis, presenting the level of increase after Cr(VI) treatment. Meanwhile, the results of our in vitro experiment showed that apoptosis and endoplasmic reticulum (ER) stress were induced after treatment with different concentrations of Cr(VI) in HaCaT cells (human keratinocyte). Cr(VI) also induced TNF-α and IL-1β mRNA expressions, through the activation of the p38 mitogen-activated protein kinase (MAPK)/MAPK-activated protein kinase 2 (MK2) pathway. Notably, the severity of the skin reactions in the epicutaneous elicitation test significantly diminished when the mouse was treated with PT. Likewise, PT intervention also ameliorated the inflammation and apoptosis of HaCaT cells in vitro. Furthermore, our current findings demonstrated that the NLRP3 inflammasome could be involved in the Cr(VI)-mediated inflammation and apoptosis of ACD. Thus, interrupting this mechanism with proper nontoxic agents, such as PT, could be a new option to improve occupational chromium toxicity and hypersensitivity.
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Affiliation(s)
- Bour-Jr Wang
- Department of Cosmetic Science and Institute of Cosmetic Science, Chia Nan University of Pharmacy and Science, Tainan 71710, Taiwan.
- Department of Occupational and Environmental Medicine, National Cheng Kung University Hospital, Tainan 70403, Taiwan.
| | - Hui-Wen Chiu
- Division of Nephrology, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City 23561, Taiwan.
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan.
| | - Yong-Lin Lee
- Department of Environmental and Occupational Health, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan.
| | - Chia-Yi Li
- Honors in Neuroscience, Neuroscience and Mental Health Institute, Faculty of Science, University of Alberta, Edmonton, AB TG62R3, Canada.
| | - Ying-Jan Wang
- Department of Environmental and Occupational Health, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan.
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 40402, Taiwan.
| | - Yu-Hsuan Lee
- Department of Food Safety/Hygiene and Risk Management, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan.
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Ke S, Liu Q, Deng M, Zhang X, Yao Y, Shan M, Yang X, Sui G. Cytotoxicity analysis of indoor air pollution from biomass combustion in human keratinocytes on a multilayered dynamic cell culture platform. CHEMOSPHERE 2018; 208:1008-1017. [PMID: 30068025 DOI: 10.1016/j.chemosphere.2018.06.058] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Accepted: 06/07/2018] [Indexed: 06/08/2023]
Abstract
Skin tissue is the first barrier against ambient harmful matter and has direct contact with indoor air pollutants. Nevertheless, a comprehensive understanding of cytotoxicity of indoor air pollution on skin cells is insufficiently clear. Herein, for the first time a multilayered dynamic cell culture platform was established to study the cytotoxicity of indoor air pollutant from biomass combustion in human skin keratinocytes. The platform consisted of seven repetitive polydimethylsiloxane modules carrying six pieces of polycarbonate membrane between them as substrate for cell growth to realize the simultaneous dynamic culture of 12 layers of keratinocytes. After exposure to biomass combustion soluble constituents (BCSCs), cell viability under microfluidic platform conditions declined more significantly, and apoptosis rates increased more obviously compared with well plate conditions. Transmission electron microscope showed that keratinocyte microstructures displayed obvious signs of cellular damage. Our study confirmed that the nuclear factor of kappa B (NF-κB) signaling pathway was activated, which significantly increased the Bax/Bcl-2 ratio and tumor necrosis factor-alpha and interleukin 6 expression, indicating that NF-κB signaling pathway was the major factor in BCSCs-induced cytotoxicity. These findings offer an insight into the mechanism of BCSCs-induced cytotoxicity in keratinocytes and provide a theoretical basis for future studies on skin cells.
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Affiliation(s)
- Shaorui Ke
- Shanghai Key Laboratory of Atmospheric Particle Pollution Prevention (LAP3), Department of Environmental Science & Engineering, Fudan University, Shanghai 200433, PR China
| | - Qi Liu
- Shanghai Key Laboratory of Atmospheric Particle Pollution Prevention (LAP3), Department of Environmental Science & Engineering, Fudan University, Shanghai 200433, PR China
| | - Mengsi Deng
- Department of Building Science, Tsinghua University, Beijing 100084, PR China
| | - Xinlian Zhang
- Shanghai Key Laboratory of Atmospheric Particle Pollution Prevention (LAP3), Department of Environmental Science & Engineering, Fudan University, Shanghai 200433, PR China
| | - Yuhan Yao
- Shanghai Key Laboratory of Atmospheric Particle Pollution Prevention (LAP3), Department of Environmental Science & Engineering, Fudan University, Shanghai 200433, PR China
| | - Ming Shan
- Department of Building Science, Tsinghua University, Beijing 100084, PR China
| | - Xudong Yang
- Department of Building Science, Tsinghua University, Beijing 100084, PR China.
| | - Guodong Sui
- Shanghai Key Laboratory of Atmospheric Particle Pollution Prevention (LAP3), Department of Environmental Science & Engineering, Fudan University, Shanghai 200433, PR China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, PR China.
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22
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Hsu PY, Yen HH, Yang TH, Su CC. Tetrathiomolybdate, a copper chelator inhibited imiquimod-induced skin inflammation in mice. J Dermatol Sci 2018; 92:30-37. [PMID: 30126748 DOI: 10.1016/j.jdermsci.2018.08.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Revised: 07/21/2018] [Accepted: 08/07/2018] [Indexed: 12/14/2022]
Abstract
BACKGROUND Copper is an essential metal for maintenance of many biological functions; however, excessive amount can induce inflammation and oxidative stress. Tetrathiomolybdate (TM) is a copper chelator for treatment of Wilson's disease, and decreased the severity of autoimmune arthritis in mice. OBJECTIVE In this report, we evaluated the effects of TM in a mouse model for psoriasis. METHODS Imiquimod-induced psoriasis murine model was used. We applied immunohistochemistry staining and ELISA to determine levels of cytokines in the inflamed skin, splenocytes, and draining lymph nodes. In addition, we used keratinocytes and splenocytes to test the inhibitory effects of TM on cytokine production and activation of transcription factors. RESULTS Our results showed that TM significantly reduced cumulative scores, epidermis thickness, and ki-67 expression in the inflamed skin. In addition, TM decreased skin cytokine levels and systemic inflammation. Moreover, TM suppressed activation in keratinocytes and splenocytes with reduction in phosphorylation of Erk1/2 and STAT3. CONCLUSION These findings are strong evidence that TM can inhibit psoriasis in the model.
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Affiliation(s)
- Peng-Yang Hsu
- Department of Internal Medicine, Changhua Christian Hospital, Changhua, Taiwan.
| | - Hsu-Heng Yen
- Gastroenterology Division, Department of Internal Medicine, Changhua Christian Hospital, Changhua, Taiwan.
| | - Tao-Hsiang Yang
- Environmental and Precision Medicine Laboratory, Changhua Christian Hospital, Changhua, Taiwan.
| | - Che-Chun Su
- Department of Internal Medicine, Changhua Christian Hospital, Changhua, Taiwan.
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23
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Lee S, She J, Deng B, Kim J, de Andrade M, Na J, Sun Z, Wampfler JA, Cunningham JM, Wu Y, Limper AH, Aubry MC, Wendt C, Biterman P, Yang P, Lou Z. Multiple-level validation identifies PARK2 in the development of lung cancer and chronic obstructive pulmonary disease. Oncotarget 2018; 7:44211-44223. [PMID: 27329585 PMCID: PMC5190090 DOI: 10.18632/oncotarget.9954] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2016] [Accepted: 05/09/2016] [Indexed: 12/31/2022] Open
Abstract
An important precursor to lung cancer development is chronic obstructive pulmonary disease (COPD), independent of exposure to tobacco smoke. Both diseases are associated with increased host susceptibility, inflammation, and genomic instability. However, validation of the candidate genes and functional confirmation to test shared genetic contribution and cellular mechanisms to the development of lung cancer in patients with COPD remains underexplored. Here, we show that loss of PARK2 (encoding Parkin) increases the expression of proinflammation factors as well as nuclear NF-κB localization, suggesting a role of PARK2 loss in inflammation. Additional exploration showed that PARK2 deficiency promotes genomic instability and cell transformation. This role of PARK2 in inflammation and chromosome instability provides a potential link among Parkin, COPD and lung cancer. A further comprehensive validation of 114 informative single nucleotide polymorphism (SNP) variants of PARK2, in 2,484 cases and controls with well-defined lung cancer and COPD phenotypes, found rs577876, rs6455728 and rs9346917 (p<0.01) to be significantly associated with lung cancer development in people with COPD. Our findings support the evidence that PARK2 might have a tumor suppressor role in the development of COPD and lung cancer.
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Affiliation(s)
- SeungBaek Lee
- Division of Oncology Research, Mayo Clinic, Rochester, MN, USA
| | - Jun She
- Department of Pulmonary Medicine, Zhongshan Hospital, Fudan University, Shanghai, China.,Department of Health Sciences Research, Mayo Clinic, Rochester, MN, USA
| | - Bo Deng
- Department of Health Sciences Research, Mayo Clinic, Rochester, MN, USA.,Department of Thoracic Surgery, Institute of Surgery Research, Daping Hospital, Third Military Medical University, Chongqing, China
| | - JungJin Kim
- Division of Oncology Research, Mayo Clinic, Rochester, MN, USA
| | - Mariza de Andrade
- Department of Health Sciences Research, Mayo Clinic, Rochester, MN, USA
| | - Jie Na
- Department of Health Sciences Research, Mayo Clinic, Rochester, MN, USA
| | - Zhifu Sun
- Department of Health Sciences Research, Mayo Clinic, Rochester, MN, USA
| | - Jason A Wampfler
- Department of Health Sciences Research, Mayo Clinic, Rochester, MN, USA
| | | | - Yanhong Wu
- Genomics Shared Resource, Mayo Clinic, Rochester, MN, USA
| | - Andrew H Limper
- Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, MN, USA
| | | | - Chris Wendt
- Department of Medicine, Pulmonary Division, University of Minnesota, Minneapolis, MN, USA.,Department of Medicine, Pulmonary Section, Minneapolis VA Medical Center, Minneapolis, MN, USA
| | - Peter Biterman
- Department of Medicine, Pulmonary Division, University of Minnesota, Minneapolis, MN, USA
| | - Ping Yang
- Department of Health Sciences Research, Mayo Clinic, Rochester, MN, USA
| | - Zhenkun Lou
- Division of Oncology Research, Mayo Clinic, Rochester, MN, USA
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24
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Assessment of metal sensitizer potency with the reconstructed human epidermis IL-18 assay. Toxicology 2018; 393:62-72. [DOI: 10.1016/j.tox.2017.10.014] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2017] [Revised: 10/20/2017] [Accepted: 10/23/2017] [Indexed: 11/20/2022]
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25
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Yu Z, Cowan JA. Catalytic Metallodrugs: Substrate-Selective Metal Catalysts as Therapeutics. Chemistry 2017; 23:14113-14127. [PMID: 28688119 DOI: 10.1002/chem.201701714] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2017] [Indexed: 12/13/2022]
Affiliation(s)
- Zhen Yu
- Department of Chemistry and Biochemistry; The Ohio State University; 100 West 18th Avenue Columbus OH 43210 USA
| | - James A. Cowan
- Department of Chemistry and Biochemistry; The Ohio State University; 100 West 18th Avenue Columbus OH 43210 USA
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26
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DNA mismatch repair protein Mlh1 is required for tetravalent chromium intermediate-induced DNA damage. Oncotarget 2017; 8:83975-83985. [PMID: 29137397 PMCID: PMC5663569 DOI: 10.18632/oncotarget.20150] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2015] [Accepted: 05/22/2017] [Indexed: 12/02/2022] Open
Abstract
Hexavalent chromium (Cr[VI]) is associated with occupational lung cancer and poses a significant public health concern. When exposed to Cr[VI], cells rapidly internalize this compound and metabolize it to Cr[III]. Byproducts of Cr[VI] metabolism include unstable Cr[V] and Cr[IV] intermediates that are believed to be directly responsible for the genotoxicity and carcinogenicity caused by Cr[VI] exposure; however, the carcinogenic potential of the Cr intermediates and the mechanisms of Cr-induced carcinogenesis remain to be further defined. Utilizing synthetic Cr[IV] and Cr[V] compounds, we demonstrate here that Cr[IV] or Cr[V] exposure induces DNA double-strand breaks; however, of the two compounds, mammalian cells only respond to Cr[V]-induced DNA damage. Exposure to Cr[V], but not Cr[IV], results in initiation of cell cycle checkpoints and activates the ATM kinase, a critical regulator of the DNA damage response. Furthermore, cells exposed to Cr[IV] have significantly increased mutation frequencies in the HPRT gene compared to cells exposed to Cr[V], indicating that Cr[IV] possesses a higher mutagenic potential than Cr[V]. We also find that MLH1, a critical mismatch repair (MMR) protein, is required for activation of the G2/M cell cycle checkpoint in response to Cr[VI] exposure and to limit Cr-induced mutagenesis. Our results provide evidence for Cr[IV] as the ultimate mutagenic intermediate produced during Cr[VI] metabolism and indicate that functional MMR is crucial in the cellular response to chromium exposure.
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27
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Campos V, Lessa SS, Ramos RL, Shinzato MC, Medeiros TAM. Disturbance response indicators of Impatiens walleriana exposed to benzene and chromium. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2017; 19:709-717. [PMID: 28398075 DOI: 10.1080/15226514.2017.1284745] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The purpose of this study was to evaluate the remediation potential and disturbance response indicators of Impatiens walleriana exposed to benzene and chromium. Numerous studies over the years have found abundant evidence of the carcinogenicity of benzene and chromium (VI) in humans. Benzene and chromium are two toxic industrial chemicals commonly found together at contaminated sites, and one of the most common management strategies employed in the recovery of sites contaminated by petroleum products and trace metals is in situ remediation. Given that increasing interest has focused on the use of plants as depollution agents, direct injection tests and benzene misting were performed on I. walleriana to evaluate the remediation potential of this species. I. walleriana accumulated hexavalent chromium, mainly in the root system (164.23 mg kg-1), to the detriment of the aerial part (39.72 mg kg-1), and presented visible damage only at the highest concentration (30 mg L-1). Unlike chromium (VI), chromium (III) was retained almost entirely by the soil, leaving it available for removal by phytotechnology. However, after the contamination stopped, I. walleriana responded positively to the detoxification process, recovering its stem stiffness and leaf color. I. walleriana showed visible changes such as leaf chlorosis during the ten days of benzene contamination. When benzene is absorbed by the roots, it is translocated to and accumulated in the plant's aerial part. This mechanism the plant uses ensures its tolerance to the organic compound, enabling the species to survive and reproduce after treatment with benzene. Although I. walleriana accumulates minor amounts of hexavalent chromium in the aerial part, this amount suffices to induce greater oxidative stress and to increase the amount of hydrogen peroxide when compared to that of benzene. It was therefore concluded that I. walleriana is a species that possesses desirable characteristics for phytotechnology.
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Affiliation(s)
- V Campos
- a Sorocaba Institute of Science and Technology, São Paulo State University - UNESP , Morumbi , Brazil
| | - S S Lessa
- a Sorocaba Institute of Science and Technology, São Paulo State University - UNESP , Morumbi , Brazil
| | - R L Ramos
- b Institute of Environmental, Chemical and Pharmaceutical Sciences, Federal University of São Paulo - UNIFESP , Diadema , Brazil
| | - M C Shinzato
- b Institute of Environmental, Chemical and Pharmaceutical Sciences, Federal University of São Paulo - UNIFESP , Diadema , Brazil
| | - T A M Medeiros
- a Sorocaba Institute of Science and Technology, São Paulo State University - UNESP , Morumbi , Brazil
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28
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Bonefeld CM, Geisler C, Gimenéz-Arnau E, Lepoittevin JP, Uter W, Johansen JD. Immunological, chemical and clinical aspects of exposure to mixtures of contact allergens. Contact Dermatitis 2017; 77:133-142. [DOI: 10.1111/cod.12847] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2017] [Revised: 05/18/2017] [Accepted: 05/20/2017] [Indexed: 01/06/2023]
Affiliation(s)
- Charlotte M. Bonefeld
- Faculty of Health and Medical Sciences, Department of Immunology and Microbiology; University of Copenhagen; 2200 Copenhagen Denmark
| | - Carsten Geisler
- Faculty of Health and Medical Sciences, Department of Immunology and Microbiology; University of Copenhagen; 2200 Copenhagen Denmark
| | - Elena Gimenéz-Arnau
- Laboratory of Dermatochemistry, Institute of Chemistry-CNRS UMR 7177; University of Strasbourg; 67081 Strasbourg France
| | - Jean-Pierre Lepoittevin
- Laboratory of Dermatochemistry, Institute of Chemistry-CNRS UMR 7177; University of Strasbourg; 67081 Strasbourg France
| | - Wolfgang Uter
- Department of Medical Informatics, Biometry and Epidemiology; University of Erlangen/Nürnberg; 91054 Erlangen Germany
| | - Jeanne D. Johansen
- Department of Dermatology-Allergy, National Allergy Research Centre; Copenhagen University Hospital Gentofte; 2900 Hellerup Denmark
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29
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Pallardy M, Bechara R. Chemical or Drug Hypersensitivity: Is the Immune System Clearing the Danger? Toxicol Sci 2017; 158:14-22. [DOI: 10.1093/toxsci/kfx084] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
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30
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Krishnaraj J, Kowshik J, Sebastian R, Raghavan SC, Nagini S. Exposure to welding fumes activates DNA damage response and redox-sensitive transcription factor signalling in Sprague-Dawley rats. Toxicol Lett 2017; 274:8-19. [DOI: 10.1016/j.toxlet.2017.04.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Revised: 03/30/2017] [Accepted: 04/03/2017] [Indexed: 10/19/2022]
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31
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Nascimento SN, Göethel G, Baierle M, Barth A, Brucker N, Charão MF, Moro AM, Gauer B, Sauer E, Durgante J, Arbo MD, Thiesen FV, Pierre TDS, Gioda A, Moresco R, Garcia SC. Environmental exposure and effects on health of children from a tobacco-producing region. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:2851-2865. [PMID: 27838906 DOI: 10.1007/s11356-016-8071-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Accepted: 11/07/2016] [Indexed: 06/06/2023]
Abstract
Children may be environmentally exposed to several hazards. In order to evaluate the health of children living in a tobacco-producing region, different biomarkers of exposure and effect, as well as hematological parameters, were evaluated. Biomarkers of exposure to the following xenobiotics were assessed: pesticides, nicotine, toxic elements, and organic solvents. Oxidative damage markers malondialdehyde (MDA) and protein carbonyls (PCO), vitamin C, microalbuminuria (mALB) levels, and N-acetyl-β-D-glucosaminidase (NAG) activity were also evaluated. Peripheral blood samples and urine were collected from 40 children (6-12 years), at two different crop periods: in the beginning of pesticide applications (period 1) and in the leaf harvest (period 2). The Wilcoxon signed-rank test for paired data was used to evaluate the differences between both periods. Biomarkers of exposure cotinine in urine and blood chromium (Cr) levels were increased in period 1 when compared to period 2. Moreover, a significant reduced plasmatic activity of butyrylcholinesterase (BuChE) was observed in period 2 in relation to period 1. Blood Cr levels were above the recommended by WHO in both evaluations. The biomarkers MDA and PCO as well as the kidney dysfunction biomarker, mALB, presented levels significantly increased in period 1. Additionally, decreased lymphocytes and increased basophils were also observed. Cotinine was positively associated with PCO, and Cr was positively associated with PCO and MDA. The increased Cr levels were associated with decreased lymphocytes and increased basophils. Our findings demonstrate that children environmentally exposed to xenobiotics in rural area may present early kidney dysfunction, hematological alterations, as well as lipid and protein damages, associated with co-exposure to different xenobiotics involved in tobacco cultivation.
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Affiliation(s)
- Sabrina N Nascimento
- Laboratory of Toxicology (LATOX), Department of Analyses, Faculty of Pharmacy, Federal University of Rio Grande do Sul (UFRGS), Avenida Ipiranga 2752, Santa Cecília, Porto Alegre, RS, CEP: 90610-000, Brazil
- Post-Graduate Program in Pharmaceutical Sciences, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Gabriela Göethel
- Laboratory of Toxicology (LATOX), Department of Analyses, Faculty of Pharmacy, Federal University of Rio Grande do Sul (UFRGS), Avenida Ipiranga 2752, Santa Cecília, Porto Alegre, RS, CEP: 90610-000, Brazil
- Post-Graduate Program in Pharmaceutical Sciences, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Marília Baierle
- Laboratory of Toxicology (LATOX), Department of Analyses, Faculty of Pharmacy, Federal University of Rio Grande do Sul (UFRGS), Avenida Ipiranga 2752, Santa Cecília, Porto Alegre, RS, CEP: 90610-000, Brazil
| | - Anelise Barth
- Laboratory of Toxicology (LATOX), Department of Analyses, Faculty of Pharmacy, Federal University of Rio Grande do Sul (UFRGS), Avenida Ipiranga 2752, Santa Cecília, Porto Alegre, RS, CEP: 90610-000, Brazil
| | - Natália Brucker
- Laboratory of Toxicology (LATOX), Department of Analyses, Faculty of Pharmacy, Federal University of Rio Grande do Sul (UFRGS), Avenida Ipiranga 2752, Santa Cecília, Porto Alegre, RS, CEP: 90610-000, Brazil
| | - Mariele F Charão
- Laboratory of Toxicology (LATOX), Department of Analyses, Faculty of Pharmacy, Federal University of Rio Grande do Sul (UFRGS), Avenida Ipiranga 2752, Santa Cecília, Porto Alegre, RS, CEP: 90610-000, Brazil
- Institute of Health Sciences, Feevale University, Novo Hamburgo, RS, Brazil
| | - Angela M Moro
- Laboratory of Toxicology (LATOX), Department of Analyses, Faculty of Pharmacy, Federal University of Rio Grande do Sul (UFRGS), Avenida Ipiranga 2752, Santa Cecília, Porto Alegre, RS, CEP: 90610-000, Brazil
| | - Bruna Gauer
- Laboratory of Toxicology (LATOX), Department of Analyses, Faculty of Pharmacy, Federal University of Rio Grande do Sul (UFRGS), Avenida Ipiranga 2752, Santa Cecília, Porto Alegre, RS, CEP: 90610-000, Brazil
- Post-Graduate Program in Pharmaceutical Sciences, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Elisa Sauer
- Laboratory of Toxicology (LATOX), Department of Analyses, Faculty of Pharmacy, Federal University of Rio Grande do Sul (UFRGS), Avenida Ipiranga 2752, Santa Cecília, Porto Alegre, RS, CEP: 90610-000, Brazil
- Post-Graduate Program in Pharmaceutical Sciences, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Juliano Durgante
- Laboratory of Toxicology (LATOX), Department of Analyses, Faculty of Pharmacy, Federal University of Rio Grande do Sul (UFRGS), Avenida Ipiranga 2752, Santa Cecília, Porto Alegre, RS, CEP: 90610-000, Brazil
| | - Marcelo D Arbo
- Laboratory of Toxicology (LATOX), Department of Analyses, Faculty of Pharmacy, Federal University of Rio Grande do Sul (UFRGS), Avenida Ipiranga 2752, Santa Cecília, Porto Alegre, RS, CEP: 90610-000, Brazil
- Post-Graduate Program in Pharmaceutical Sciences, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Flavia V Thiesen
- Faculty of Pharmacy, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, RS, Brazil
| | - Tatiana D Saint' Pierre
- Department of Chemistry, Pontifical Catholic University of Rio de Janeiro (PUC-Rio), Rio de Janeiro, RJ, Brazil
| | - Adriana Gioda
- Department of Chemistry, Pontifical Catholic University of Rio de Janeiro (PUC-Rio), Rio de Janeiro, RJ, Brazil
| | - Rafael Moresco
- Laboratory of Clinical Biochemistry, Department of Clinical and Toxicological Analyses, Federal University of Santa Maria (UFSM), Santa Maria, RS, Brazil
| | - Solange Cristina Garcia
- Laboratory of Toxicology (LATOX), Department of Analyses, Faculty of Pharmacy, Federal University of Rio Grande do Sul (UFRGS), Avenida Ipiranga 2752, Santa Cecília, Porto Alegre, RS, CEP: 90610-000, Brazil.
- Post-Graduate Program in Pharmaceutical Sciences, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil.
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32
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Bruno M, Ross J, Ge Y. Proteomic responses of BEAS-2B cells to nontoxic and toxic chromium: Protein indicators of cytotoxicity conversion. Toxicol Lett 2016; 264:59-70. [PMID: 27592090 DOI: 10.1016/j.toxlet.2016.08.025] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2016] [Revised: 08/25/2016] [Accepted: 08/30/2016] [Indexed: 12/25/2022]
Abstract
Hexavalent chromium (Cr (VI)) is an environmental human carcinogen which primarily targets lungs. Among a variety of toxic mechanisms, disruption of biological pathways via translational and post-translational modifications represents a key mechanism through which Cr (VI) induces cytotoxicity and carcinogenesis. To identify those disruptions which are altered in response to cytotoxic Cr (VI) exposures, we measured and compared cytotoxicity and changes in expression and phosphorylation status of 15 critical biochemical pathway regulators in human BEAS-2B cells exposed for 48h to a non-toxic concentration (0.3μM) and a toxic concentration (1.8μM) of Cr (VI) by ELISA techniques. In addition, 43 functional proteins which may be altered in response to pathway signaling changes were identified using two dimensional electrophoresis (2-DE) and mass spectrometry. The proteins and fold changes observed in cells exposed to the non-toxic dose of Cr (VI) (0.3μM) were not necessarily the same as those found in the toxic one (1.8μM). A subset of signaling proteins that were correlated with the cytotoxic responses of human BEAS-2B cells to Cr (VI) treatments were identified. These proteins include regulators of glycolysis, glycogen synthase kinase 3 beta (GSK3β) and phosphoprotein 70 ribosomal protein s6 kinase (p70S6K), a signaling protein associated with oxidative stress and inflammation responses, JNK and metal regulatory transcription factor 1 (MTF-1), and a source of ubiquitin for signaling targeted protein degradation, polyubiquitin C (UBC). In addition, two dimensional gel electrophoresis (2-DE) was applied to identify key alterations in biochemical pathways differentiating between cytotoxic and non-cytotoxic exposures to Cr (VI), including glycolysis and gluconeogenesis, protein degradation, inflammation, and oxidative stress.
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Affiliation(s)
- Maribel Bruno
- Integrated Systems Toxicology Division, National Health and Environmental Effects Research Laboratory, U.S. Environmental Protection Agency, Research Triangle Park, NC 27711, USA
| | - Jeffrey Ross
- Integrated Systems Toxicology Division, National Health and Environmental Effects Research Laboratory, U.S. Environmental Protection Agency, Research Triangle Park, NC 27711, USA
| | - Yue Ge
- Integrated Systems Toxicology Division, National Health and Environmental Effects Research Laboratory, U.S. Environmental Protection Agency, Research Triangle Park, NC 27711, USA.
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Chen RJ, Lee YH, Yeh YL, Wang YJ, Wang BJ. The Roles of Autophagy and the Inflammasome during Environmental Stress-Triggered Skin Inflammation. Int J Mol Sci 2016; 17:E2063. [PMID: 27941683 PMCID: PMC5187863 DOI: 10.3390/ijms17122063] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Revised: 11/29/2016] [Accepted: 12/05/2016] [Indexed: 02/07/2023] Open
Abstract
Inflammatory skin diseases are the most common problem in dermatology. The induction of skin inflammation by environmental stressors such as ultraviolet radiation (UVR), hexavalent chromium (Cr(VI)) and TiO₂/ZnO/Ag nanoparticles (NPs) has been demonstrated previously. Recent studies have indicated that the inflammasome is often wrongly activated by these environmental irritants, thus inducing massive inflammation and resulting in the development of inflammatory diseases. The regulation of the inflammasome with respect to skin inflammation is complex and is still not completely understood. Autophagy, an intracellular degradation system that is associated with the maintenance of cellular homeostasis, plays a key role in inflammasome inactivation. As a housekeeping pathway, cells utilize autophagy to maintain the homeostasis of the organ structure and function when exposed to environmental stressors. However, only a few studies have examined the effect of autophagy and/or the inflammasome on skin pathogenesis. Here we review recent findings regarding the involvement of autophagy and inflammasome activation during skin inflammation. We posit that autophagy induction is a novel mechanism inter-modulating environmental stressor-induced skin inflammation. We also attempt to highlight the role of the inflammasome and the possible underlying mechanisms and pathways reflecting the pathogenesis of skin inflammation induced by UVR, Cr(VI) and TiO₂/ZnO/Ag NPs. A more profound understanding about the crosstalk between autophagy and the inflammasome will contribute to the development of prevention and intervention strategies against human skin disease.
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Affiliation(s)
- Rong-Jane Chen
- Department of Environmental and Occupational Health, College of Medicine, National Cheng Kung University, Tainan 70428, Taiwan.
| | - Yu-Hsuan Lee
- Department of Environmental and Occupational Health, College of Medicine, National Cheng Kung University, Tainan 70428, Taiwan.
| | - Ya-Ling Yeh
- Department of Environmental and Occupational Health, College of Medicine, National Cheng Kung University, Tainan 70428, Taiwan.
| | - Ying-Jan Wang
- Department of Environmental and Occupational Health, College of Medicine, National Cheng Kung University, Tainan 70428, Taiwan.
- Department of Biomedical Informatics, Asia University, Taichung 41354, Taiwan.
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 40402, Taiwan.
- Graduate Institute of Clinical Medicine, Taipei Medical University, Taipei 110, Taiwan.
| | - Bour-Jr Wang
- Department of Environmental and Occupational Health, College of Medicine, National Cheng Kung University, Tainan 70428, Taiwan.
- Department of Occupational and Environmental Medicine, National Cheng Kung University Hospital, Tainan 70428, Taiwan.
- Department of Cosmetic Science and Institute of Cosmetic Science, Chia Nan University of Pharmacy and Science, Tainan 71710, Taiwan.
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Mohamed HM, Abd El-Twab SM. Gallic acid attenuates chromium-induced thyroid dysfunction by modulating antioxidant status and inflammatory cytokines. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2016; 48:225-236. [PMID: 27835810 DOI: 10.1016/j.etap.2016.08.019] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2016] [Revised: 08/19/2016] [Accepted: 08/30/2016] [Indexed: 06/06/2023]
Abstract
Hexavalent chromium-mediated oxidative stress causes severe organ damage. The present study was designed to investigate the possible thyroprotective effect and underlying mechanisms of gallic acid using rat model of potassium dichromate-induced thyroid dysfunction. Forty adult male albino rats were divided into 4 groups: control, gallic acid (20mg GA/kg b. wt), potassium dichromate (2mg PD/kg b. wt) and the fourth group was co-treated with PD and GA. PD-injection resulted in decreased serum free triiodothyonine (FT3), free thyroxine (FT4) with concomitant significant increase in thyroid stimulating hormone (TSH) levels. Superoxide dismutase (SOD), glutathione-S-transferase (GST) activities and their respective mRNA expression and reduced glutathione (GSH) content were significantly decreased. Thyroid nitrosative stress marker (NO level and iNOS mRNA and protein expression) and pro-inflammatory cytokines (serum TNF-α, IL-6 and thyroid TNF-α, IL-6 and COX-2 gene and protein expression levels) were disturbed. Histopathological changes revealed distended, collapsed and degenerated follicles with vacuolated cytoplasm. GA co-treatment attenuated pro-inflammatory cytokines, the thyroid expression of iNOS, TNF-α, IL-6 and COX-2, decreased the elevated lipid peroxidation biomarkers and NO level and up- regulated SOD and GST mRNA expression levels. In conclusion, GA has shown strong modulatory potential against PD-induced inflammation and oxidative stress in albino rats.
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Affiliation(s)
- Hanaa M Mohamed
- Genetic & Cell Biology, Zoology Department, Faculty of Science, Beni-Suef University, Egypt.
| | - Sanaa M Abd El-Twab
- Physiology Division, Zoology Department, Faculty of Science, Beni-Suef University, Egypt
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Wang H, Zhang JX, Li SL, Wang F, Zha WS, Shen T, Wu C, Zhu QX. An Animal Model of Trichloroethylene-Induced Skin Sensitization in BALB/c Mice. Int J Toxicol 2015; 34:442-53. [DOI: 10.1177/1091581815591222] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Trichloroethylene (TCE) is a major occupational hazard and environmental contaminant that can cause multisystem disorders in the form of occupational medicamentosa-like dermatitis. Development of dermatitis involves several proinflammatory cytokines, but their role in TCE-mediated dermatitis has not been examined in a well-defined experimental model. In addition, few animal models of TCE sensitization are available, and the current guinea pig model has apparent limitations. This study aimed to establish a model of TCE-induced skin sensitization in BALB/c mice and to examine the role of several key inflammatory cytokines on TCE sensitization. The sensitization rate of dorsal painted group was 38.3%. Skin edema and erythema occurred in TCE-sensitized groups, as seen in 2,4-dinitrochlorobenzene (DNCB) positive control. Trichloroethylene sensitization-positive (dermatitis [+]) group exhibited increased thickness of epidermis, inflammatory cell infiltration, swelling, and necrosis in dermis and around hair follicle, but ear painted group did not show these histological changes. The concentrations of serum proinflammatory cytokines including tumor necrosis factor (TNF)-α, interferon (IFN)-γ, and interleukin (IL)-2 were significantly increased in 24, 48, and 72 hours dermatitis [+] groups treated with TCE and peaked at 72 hours. Deposition of TNF-α, IFN-γ, and IL-2 into the skin tissue was also revealed by immunohistochemistry. We have established a new animal model of skin sensitization induced by repeated TCE stimulations, and we provide the first evidence that key proinflammatory cytokines including TNF-α, IFN-γ, and IL-2 play an important role in the process of TCE sensitization.
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Affiliation(s)
- Hui Wang
- Department of Occupational Health and Environment Health, School of Public Health, Anhui Medical University, Hefei, Anhui, China
| | - Jia-xiang Zhang
- Department of Occupational Health and Environment Health, School of Public Health, Anhui Medical University, Hefei, Anhui, China
| | - Shu-long Li
- Department of Occupational Health and Environment Health, School of Public Health, Anhui Medical University, Hefei, Anhui, China
| | - Feng Wang
- Department of Occupational Health and Environment Health, School of Public Health, Anhui Medical University, Hefei, Anhui, China
| | - Wan-sheng Zha
- Department of Occupational Health and Environment Health, School of Public Health, Anhui Medical University, Hefei, Anhui, China
| | - Tong Shen
- Department of Occupational Health and Environment Health, School of Public Health, Anhui Medical University, Hefei, Anhui, China
- Institute of Dermatology, Anhui Medical University, Hefei, Anhui, P. R. China
| | - Changhao Wu
- Faculty of Health and Medical Sciences, University of Surrey, Guildford, United Kingdom
| | - Qi-xing Zhu
- Institute of Dermatology, Anhui Medical University, Hefei, Anhui, P. R. China
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Manna K, Das U, Das D, Kesh SB, Khan A, Chakraborty A, Dey S. Naringin inhibits gamma radiation-induced oxidative DNA damage and inflammation, by modulating p53 and NF-κB signaling pathways in murine splenocytes. Free Radic Res 2015; 49:422-39. [DOI: 10.3109/10715762.2015.1016018] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Zeliger HI, Lipinski B. Physiochemical basis of human degenerative disease. Interdiscip Toxicol 2015; 8:15-21. [PMID: 27486355 PMCID: PMC4961921 DOI: 10.1515/intox-2015-0003] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2015] [Revised: 03/10/2015] [Accepted: 03/17/2015] [Indexed: 11/16/2022] Open
Abstract
The onset of human degenerative diseases in humans, including type 2 diabetes, cardiovascular disease, neurological disorders, neurodevelopmental disease and neurodegenerative disease has been shown to be related to exposures to persistent organic pollutants, including polychlorinated biphenyls, chlorinated pesticides, polybrominated diphenyl ethers and others, as well as to polynuclear aromatic hydrocarbons, phthalates, bisphenol-A and other aromatic lipophilic species. The onset of these diseases has also been related to exposures to transition metal ions. A physiochemical mechanism for the onset of degenerative environmental disease dependent upon exposure to a combination of lipophilic aromatic hydrocarbons and transition metal ions is proposed here. The findings reported here also, for the first time, explain why aromatic hydrocarbons exhibit greater toxicity than aliphatic hydrocarbons of equal carbon numbers.
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Affiliation(s)
| | - Boguslaw Lipinski
- Harvard Medical School, Joslin Diabetes Center, Boston, Massachusetts, USA
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Hielscher A, Gerecht S. Hypoxia and free radicals: role in tumor progression and the use of engineering-based platforms to address these relationships. Free Radic Biol Med 2015; 79:281-91. [PMID: 25257256 PMCID: PMC4339408 DOI: 10.1016/j.freeradbiomed.2014.09.015] [Citation(s) in RCA: 65] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2014] [Revised: 08/11/2014] [Accepted: 09/15/2014] [Indexed: 12/23/2022]
Abstract
Hypoxia is a feature of all solid tumors, contributing to tumor progression and therapy resistance. Through stabilization of the hypoxia-inducible factor 1 alpha (HIF-1α), hypoxia activates the transcription of a number of genes that sustain tumor progression. Since the seminal discovery of HIF-1α as a hypoxia-responsive master regulator of numerous genes and transcription factors, several groups have reported a novel mechanism whereby hypoxia mediates stabilization of HIF-1α. This process occurs as a result of hypoxia-generated reactive oxygen species (ROS), which, in turn, stabilize the expression of HIF-1α. As a result, a number of genes regulating tumor growth are expressed, fueling ongoing tumor progression. In this review, we outline a role for hypoxia in generating ROS and additionally define the mechanisms contributing to ROS-induced stabilization of HIF-1α.We further explore how ROS-induced HIF-1α stabilization contributes to tumor growth, angiogenesis, metastasis, and therapy response. We discuss a future outlook, describing novel therapeutic approaches for attenuating ROS production while considering how these strategies should be carefully selected when combining with chemotherapeutic agents. As engineering-based approaches have been more frequently utilized to address biological questions, we discuss opportunities whereby engineering techniques may be employed to better understand the physical and biochemical factors controlling ROS expression. It is anticipated that an improved understanding of the mechanisms responsible for the hypoxia/ROS/HIF-1α axis in tumor progression will yield the development of better targeted therapies.
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Affiliation(s)
- Abigail Hielscher
- Department of Biomedical Sciences, Georgia Philadelphia College of Osteopathic Medicine, Suwanee, GA 30024, USA; Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD 21218, USA; Johns Hopkins Physical Sciences-Oncology Center, Johns Hopkins University, Baltimore, MD 21218, USA; Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, MD 21218, USA.
| | - Sharon Gerecht
- Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD 21218, USA; Johns Hopkins Physical Sciences-Oncology Center, Johns Hopkins University, Baltimore, MD 21218, USA; Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, MD 21218, USA.
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Kurpios-Piec D, Grosicka-Maciąg E, Woźniak K, Kowalewski C, Kiernozek E, Szumiło M, Rahden-Staroń I. Thiram activates NF-kappaB and enhances ICAM-1 expression in human microvascular endothelial HMEC-1 cells. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2015; 118:82-89. [PMID: 25752435 DOI: 10.1016/j.pestbp.2014.12.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2014] [Revised: 12/02/2014] [Accepted: 12/03/2014] [Indexed: 06/04/2023]
Abstract
Thiram (TMTD) is a fungicidal and bactericidal agent used as antiseptic, seed disinfectant and animal repellent. In the light of known properties, thiram is considered to be used as an inhibitor of angiogenesis and/or inflammation. Since angiogenesis requires the growth of vascular endothelial cells we have used microvascular endothelial cell line HMEC-1 to elucidate the effect of thiram on normal and stimulated cells. We cultured HMEC-1 cells in the presence of thiram at low concentration (0.5 µg/mL or 2 µg/mL) (0.2 µM or 0.8 µM) or TNF-α (10 ng/mL) alone, and thiram together with TNF-α. TNF-α was used as a cytokine that triggers changes characteristic for inflammatory state of the cell. We carried out an in vitro study aimed at assessing generation of reactive oxygen species (ROS), activation of NF-κB, and expression of cell adhesion molecules ICAM-1, VCAM-1, PECAM-1. It was found that TMTD produced ROS and activated NF-κB. Activation of NF-κB was concurrent with an increase in ICAM-1 expression on the surface of HMEC-1 cells. ICAM-1 reflects intensity of inflammation in endothelial cell milieu. The expression of VCAM-1 and PECAM-1 on these cells was not changed by thiram. It was also found that stimulation of the HMEC-1 cells with the pro-inflammatory cytokine TNF-α caused activation of ICAM-1 and VCAM-1 expression with concomitant decrease of PECAM-1 cell surface expression above the control levels. Treatment with thiram and TNF-α changed cellular response compared with effects observed after treatment with TNF-α alone, i.e. further increase of ICAM-1 expression and impairment of the TNF-α effect on PECAM-1 and VCAM-1 expression. This study demonstrated that thiram acts as a pro-oxidant, and elicits in endothelial cell environment effects characteristic for inflammation. However, when it is present concurrently with pro-inflammatory cytokine TNF-α interferes with its action.
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Affiliation(s)
- Dagmara Kurpios-Piec
- Department of Biochemistry, Medical University of Warsaw, Banacha 1, 02-097 Warsaw, Poland
| | - Emilia Grosicka-Maciąg
- Department of Biochemistry, Medical University of Warsaw, Banacha 1, 02-097 Warsaw, Poland
| | - Katarzyna Woźniak
- Department of Dermatology and Immunodermatology, Medical University of Warsaw, Koszykowa 82a, 02-008 Warsaw, Poland
| | - Cezary Kowalewski
- Department of Dermatology and Immunodermatology, Medical University of Warsaw, Koszykowa 82a, 02-008 Warsaw, Poland
| | - Ewelina Kiernozek
- Immunology Department, Faculty of Biology, University of Warsaw, Miecznikowa 1, 02-096 Warsaw, Poland
| | - Maria Szumiło
- Department of Biochemistry, Medical University of Warsaw, Banacha 1, 02-097 Warsaw, Poland
| | - Iwonna Rahden-Staroń
- Department of Biochemistry, Medical University of Warsaw, Banacha 1, 02-097 Warsaw, Poland.
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Kurpios-Piec D, Woźniak K, Kowalewski C, Gajewska B, Rahden-Staroń I. Thiram modulates pro-inflammatory mediators in RAW 264.7 murine macrophage cells. Immunopharmacol Immunotoxicol 2014; 37:90-102. [DOI: 10.3109/08923973.2014.987924] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Kim D, Dai J, Fai LY, Yao H, Son YO, Wang L, Pratheeshkumar P, Kondo K, Shi X, Zhang Z. Constitutive activation of epidermal growth factor receptor promotes tumorigenesis of Cr(VI)-transformed cells through decreased reactive oxygen species and apoptosis resistance development. J Biol Chem 2014; 290:2213-24. [PMID: 25477514 DOI: 10.1074/jbc.m114.619783] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Hexavalent chromium (Cr(VI)) compounds are well-established lung carcinogens. Epidermal growth factor receptor (EGFR) is a tyrosine kinase transmembrane receptor that regulates cell survival, tumor invasion, and angiogenesis. Our results show that chronic exposure of human bronchial epithelial (BEAS-2B) cells to Cr(VI) is able to cause malignant cell transformation. These transformed cells exhibit apoptosis resistance with reduced poly ADP-ribose polymerase cleavage (C-PARP) and Bax expression and enhanced expressions of Bcl-2 and Bcl-xL. These transformed cells also exhibit reduced capacity of reactive oxygen species (ROS) generation along with elevated expression of antioxidant manganese superoxide dismutase 2 (SOD2). The expression of this antioxidant was also elevated in lung tumor tissue from a worker exposed to Cr(VI) for 19 years. EGFR was activated in Cr(VI)-transformed BEAS-2B cells, lung tissue from animals exposed to Cr(VI) particles, and human lung tumor tissue. Further study indicates that constitutive activation of EGFR in Cr(VI)-transformed cells was due to increased binding to its ligand amphiregulin (AREG). Inhibition of EGFR or AREG increased Bax expression and reduced Bcl-2 expression, resulting in reduced apoptosis resistance. Furthermore, inhibition of AREG or EGFR restored capacity of ROS generation and decreased SOD2 expression. PI3K/AKT was activated, which depended on EGFR in Cr(VI)-transformed BEAS-2B cells. Inhibition of PI3K/AKT increased ROS generation and reduced SOD2 expression, resulting in reduced apoptosis resistance with commitment increase in Bax expression and reduction of Bcl-2 expression. Xenograft mouse tumor study further demonstrates the essential role of EGFR in tumorigenesis of Cr(VI)-transformed cells. In summary, the present study suggests that ligand-dependent constitutive activation of EGFR causes reduced ROS generation and increased antioxidant expression, leading to development of apoptosis resistance, contributing to Cr(VI)-induced tumorigenesis.
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Affiliation(s)
| | - Jin Dai
- From the Graduate Center for Toxicology and
| | | | - Hua Yao
- Department of Stomatology, First Affiliated Hospital, Zhejiang University, Hangzhou, Zhejiang 310003, China, and
| | - Young-Ok Son
- Center for Research on Environmental Disease, University of Kentucky, Lexington, Kentucky 40536
| | - Lei Wang
- Center for Research on Environmental Disease, University of Kentucky, Lexington, Kentucky 40536
| | - Poyil Pratheeshkumar
- Center for Research on Environmental Disease, University of Kentucky, Lexington, Kentucky 40536
| | - Kazuya Kondo
- Department of Oncological Medical Services, Institute of Health Biosciences, The University of Tokushima Graduate School, Tokushima 770-8509, Japan
| | - Xianglin Shi
- Center for Research on Environmental Disease, University of Kentucky, Lexington, Kentucky 40536
| | - Zhuo Zhang
- From the Graduate Center for Toxicology and
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Sahu BD, Koneru M, Bijargi SR, Kota A, Sistla R. Chromium-induced nephrotoxicity and ameliorative effect of carvedilol in rats: Involvement of oxidative stress, apoptosis and inflammation. Chem Biol Interact 2014; 223:69-79. [DOI: 10.1016/j.cbi.2014.09.009] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2014] [Revised: 08/05/2014] [Accepted: 09/12/2014] [Indexed: 10/24/2022]
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Pratheeshkumar P, Son YO, Divya SP, Roy RV, Hitron JA, Wang L, Kim D, Dai J, Asha P, Zhang Z, Wang Y, Shi X. Luteolin inhibits Cr(VI)-induced malignant cell transformation of human lung epithelial cells by targeting ROS mediated multiple cell signaling pathways. Toxicol Appl Pharmacol 2014; 281:230-41. [PMID: 25448439 DOI: 10.1016/j.taap.2014.10.008] [Citation(s) in RCA: 74] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2014] [Revised: 09/22/2014] [Accepted: 10/14/2014] [Indexed: 12/27/2022]
Abstract
Hexavalent chromium [Cr(VI)] is a well-known human carcinogen associated with the incidence of lung cancer. Inhibition of metal induced carcinogenesis by a dietary antioxidant is a novel approach. Luteolin, a natural dietary flavonoid found in fruits and vegetables, possesses potent antioxidant and anti-inflammatory activity. We found that short term exposure of human bronchial epithelial cells (BEAS-2B) to Cr(VI) (5μM) showed a drastic increase in ROS generation, NADPH oxidase (NOX) activation, lipid peroxidation, and glutathione depletion, which were significantly inhibited by the treatment with luteolin in a dose dependent manner. Treatment with luteolin decreased AP-1, HIF-1α, COX-2, and iNOS promoter activity induced by Cr(VI) in BEAS-2B cells. In addition, luteolin protected BEAS-2B cells from malignant transformation induced by chronic Cr(VI) exposure. Moreover, luteolin also inhibited the production of pro-inflammatory cytokines (IL-1β, IL-6, IL-8, TNF-α) and VEGF in chronic Cr(VI) exposed BEAS-2B cells. Western blot analysis showed that luteolin inhibited multiple gene products linked to survival (Akt, Fak, Bcl-2, Bcl-xL), inflammation (MAPK, NF-κB, COX-2, STAT-3, iNOS, TNF-α) and angiogenesis (HIF-1α, VEGF, MMP-9) in chronic Cr(VI) exposed BEAS-2B cells. Nude mice injected with BEAS-2B cells chronically exposed to Cr(VI) in the presence of luteolin showed reduced tumor incidence compared to Cr(VI) alone treated group. Overexpression of catalase (CAT) or SOD2, eliminated Cr(VI)-induced malignant transformation. Overall, our results indicate that luteolin protects BEAS-2B cells from Cr(VI)-induced carcinogenesis by scavenging ROS and modulating multiple cell signaling mechanisms that are linked to ROS. Luteolin, therefore, serves as a potential chemopreventive agent against Cr(VI)-induced carcinogenesis.
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Affiliation(s)
- Poyil Pratheeshkumar
- Center for Research on Environmental Disease, University of Kentucky, 1095 VA Drive, Lexington, KY 40536, USA; Graduate Center for Toxicology, University of Kentucky, 1095 VA Drive, Lexington, KY 40536, USA
| | - Young-Ok Son
- Center for Research on Environmental Disease, University of Kentucky, 1095 VA Drive, Lexington, KY 40536, USA; Graduate Center for Toxicology, University of Kentucky, 1095 VA Drive, Lexington, KY 40536, USA
| | - Sasidharan Padmaja Divya
- Center for Research on Environmental Disease, University of Kentucky, 1095 VA Drive, Lexington, KY 40536, USA; Graduate Center for Toxicology, University of Kentucky, 1095 VA Drive, Lexington, KY 40536, USA
| | - Ram Vinod Roy
- Center for Research on Environmental Disease, University of Kentucky, 1095 VA Drive, Lexington, KY 40536, USA; Graduate Center for Toxicology, University of Kentucky, 1095 VA Drive, Lexington, KY 40536, USA
| | - John Andrew Hitron
- Center for Research on Environmental Disease, University of Kentucky, 1095 VA Drive, Lexington, KY 40536, USA; Graduate Center for Toxicology, University of Kentucky, 1095 VA Drive, Lexington, KY 40536, USA
| | - Lei Wang
- Center for Research on Environmental Disease, University of Kentucky, 1095 VA Drive, Lexington, KY 40536, USA; Graduate Center for Toxicology, University of Kentucky, 1095 VA Drive, Lexington, KY 40536, USA
| | - Donghern Kim
- Graduate Center for Toxicology, University of Kentucky, 1095 VA Drive, Lexington, KY 40536, USA
| | - Jin Dai
- Graduate Center for Toxicology, University of Kentucky, 1095 VA Drive, Lexington, KY 40536, USA
| | - Padmaja Asha
- National Centre for Aquatic Animal Health, Cochin University of Science and Technology, Cochin, India
| | - Zhuo Zhang
- Graduate Center for Toxicology, University of Kentucky, 1095 VA Drive, Lexington, KY 40536, USA
| | - Yitao Wang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China
| | - Xianglin Shi
- Center for Research on Environmental Disease, University of Kentucky, 1095 VA Drive, Lexington, KY 40536, USA; Graduate Center for Toxicology, University of Kentucky, 1095 VA Drive, Lexington, KY 40536, USA.
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Lee YH, Su SB, Huang CC, Sheu HM, Tsai JC, Lin CH, Wang YJ, Wang BJ. N-acetylcysteine attenuates hexavalent chromium-induced hypersensitivity through inhibition of cell death, ROS-related signaling and cytokine expression. PLoS One 2014; 9:e108317. [PMID: 25248126 PMCID: PMC4172727 DOI: 10.1371/journal.pone.0108317] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2014] [Accepted: 08/26/2014] [Indexed: 12/11/2022] Open
Abstract
Chromium hypersensitivity (chromium-induced allergic contact dermatitis) is an important issue in occupational skin disease. Hexavalent chromium (Cr (VI)) can activate the Akt, Nuclear factor κB (NF-κB), and Mitogen-activated protein kinase (MAPK) pathways and induce cell death, via the effects of reactive oxygen species (ROS). Recently, cell death stimuli have been proposed to regulate the release of inflammatory cytokines, such as tumor necrosis factor-α (TNF-α) and interleukin-1 (IL-1). However, the exact effects of ROS on the signaling molecules and cytotoxicity involved in Cr(VI)-induced hypersensitivity have not yet been fully demonstrated. N-acetylcysteine (NAC) could increase glutathione levels in the skin and act as an antioxidant. In this study, we investigated the effects of NAC on attenuating the Cr(VI)-triggered ROS signaling in both normal keratinocyte cells (HaCaT cells) and a guinea pig (GP) model. The results showed the induction of apoptosis, autophagy and ROS were observed after different concentrations of Cr(VI) treatment. HaCaT cells pretreated with NAC exhibited a decrease in apoptosis and autophagy, which could affect cell viability. In addition, Cr (VI) activated the Akt, NF-κB and MAPK pathways thereby increasing IL-1α and TNF-α production. However, all of these stimulation phenomena could be inhibited by NAC in both of invitro and invivo studies. These novel findings indicate that NAC may prevent the development of chromium hypersensitivity by inhibiting of ROS-induced cell death and cytokine expression.
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Affiliation(s)
- Yu-Hsuan Lee
- Department of Environmental and Occupational Health, National Cheng Kung University Medical College, Tainan, Taiwan
| | - Shih-Bin Su
- Department of Occupational Medicine, Chi-Mei Medical Center, Tainan, Taiwan
- Department of Leisure, Recreation and Tourism Management, Southern Taiwan University of Science and Technology, Tainan, Taiwan
- Department of Medical Research, Chi Mei Medical Center, Liouying, Tainan, Taiwan
| | - Chien-Cheng Huang
- Department of Emergency Medicine, Chi-Mei Medical Center, Tainan, Taiwan
- Department of Child Care and Education, Southern Taiwan University of Science and Technology, Tainan, Taiwan
| | - Hamm-Ming Sheu
- Department of Dermatology, National Cheng Kung University Medical College, Tainan, Taiwan
| | - Jui-Chen Tsai
- Institute of Clinical Pharmacy, National Cheng Kung University, Tainan, Taiwan
| | - Chia-Ho Lin
- Division of Urology, Department of Surgery, Chi Mei Medical Center, Liouying, Taiwan
- Department of Biotechnology, Southern Taiwan University of Science and Technology, Tainan, Taiwan
| | - Ying-Jan Wang
- Department of Environmental and Occupational Health, National Cheng Kung University Medical College, Tainan, Taiwan
- Department of Biomedical Informatics, Asia University, Taichung, Taiwan
- * E-mail: (BJW); (YJW)
| | - Bour-Jr Wang
- Department of Environmental and Occupational Health, National Cheng Kung University Medical College, Tainan, Taiwan
- Department of Cosmetic Science and Institute of Cosmetic Science, Chia Nan University of Pharmacy and Science, Tainan, Taiwan
- * E-mail: (BJW); (YJW)
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Qian Q, Li P, Wang T, Zhang J, Yu S, Chen T, Yan L, Song Y, Liu X, Gu Y, Wang Y, Jia G. Alteration of Th1/Th2/Th17 cytokine profile and humoral immune responses associated with chromate exposure. Occup Environ Med 2013; 70:697-702. [PMID: 23811143 DOI: 10.1136/oemed-2013-101421] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
BACKGROUND The role of chromate exposure in the deregulation of total lymphocyte and other immune factors is largely unclear. OBJECTIVES We aimed to examine alteration of the Th1/Th2/Th17 cytokine profile and humoral indicators caused by occupational chromate exposure. METHODS A cross-sectional study was conducted in two similar workshops (groups 1 and 2) with 106 male occupational workers and 50 matched local controls. Environmental and biological exposures were assessed by measuring chromium concentrations in workplace air, and in whole blood and urine samples of the workers. Cytokines in serum (IL-2, IL-4, IL-6, IL-10, TNF-α, IFN-γ, IL-17A) were determined by CBA assay, while immunoglobin (IgA, IgM, IgG, IgE) and complement (C3, C4) were evaluated by immunonephelometric and ELISA methods. Micronucleus analysis was also used to explore the relationship between genotoxicity and immunotoxicity. RESULTS Compared with the control group, environmental chromate exposure in groups 1 and 2 was much higher, and the mean values of IL-6, IL-10, IFN-γ, IL-17A and IFN-γ/IL-4 were significantly decreased in group 1. In group 2, IgA and IgG levels were reduced, while C3 and C4 were increased. Levels of IFN-γ, IgG and IgA were all inversely associated with whole blood chromium, while C3 and C4 were positively associated with whole blood chromium (p<0.05). Both IL-10 and IL-17A were inversely associated with urine chromium. Correlations were also found between IL-10, IL-17A and micronucleus (r=-0.329, r=-0.312, respectively). CONCLUSIONS Occupational exposure to chromate could downregulate the cellular and humoral factors of the immune system.
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Affiliation(s)
- Qin Qian
- Department of Occupational and Environmental Health Science, School of Public Health, Peking University, Beijing, P. R. China
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Guo L, Xiao Y, Wang Y. Hexavalent chromium-induced alteration of proteomic landscape in human skin fibroblast cells. J Proteome Res 2013; 12:3511-8. [PMID: 23718831 DOI: 10.1021/pr400375p] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Hexavalent chromium [Cr(VI)] generated during industrial processes is carcinogenic. Although much is known about the deleterious effects caused by reactive oxygen species generated during the reduction of Cr(VI) after its absorption by biological systems, the precise mechanisms underlying Cr(VI) cytotoxicity remain poorly defined. Here, we analyzed, at the global proteome scale, the perturbation of protein expression in GM00637 human skin fibroblast cells upon exposure to potassium dichromate (K₂Cr₂O₇). We were able to quantify ∼4600 unique proteins, among which ∼400 exhibited significant alterations in expression levels upon a 24-h treatment with 0.5 μM K₂Cr₂O₇. Pathway analysis revealed the Cr(VI)-induced perturbation of cholesterol biosynthesis, G-protein signaling, inflammatory response, and selenoprotein pathways. In particular, we discovered that the K₂Cr₂O₇ treatment led to pronouncedly elevated expression of a large number of enzymes involved in de novo cholesterol biosynthesis. Real-time PCR analysis revealed the increased mRNA expression of selected genes involved in cholesterol biosynthesis. Consistently, K₂Cr₂O₇ treatment resulted in marked increases in cellular cholesterol level in multiple cell lines. Moreover, the Cr(VI)-induced growth inhibition of cultured human cells could be rescued by a cholesterol-lowering drug, lovastatin. Together, we demonstrated, for the first time, that Cr(VI) may exert its cytotoxic effect, at least partly, through the up-regulation of enzymes involved in de novo cholesterol biosynthesis and the resultant increase of cholesterol level in cells.
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Affiliation(s)
- Lei Guo
- Environmental Toxicology Graduate Program, University of California, Riverside, California 92521-0403, USA
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Mehany HA, Abo-youssef AM, Ahmed LA, Arafa ESA, Abd El-Latif HA. Protective effect of vitamin E and atorvastatin against potassium dichromate-induced nephrotoxicity in rats. BENI-SUEF UNIVERSITY JOURNAL OF BASIC AND APPLIED SCIENCES 2013. [DOI: 10.1016/j.bjbas.2013.02.002] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
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Jia Q, Zang D, Yi J, Dong H, Niu Y, Zhai Q, Teng Y, Bin P, Zhou W, Huang X, Li H, Zheng Y, Dai Y. Cytokine expression in trichloroethylene-induced hypersensitivity dermatitis: An in vivo and in vitro study. Toxicol Lett 2012; 215:31-9. [DOI: 10.1016/j.toxlet.2012.09.018] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2012] [Revised: 09/08/2012] [Accepted: 09/10/2012] [Indexed: 10/27/2022]
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Maiti S, Ghosh N, Mandal C, Das K, Dey N, Adak MK. Responses of the maize plant to chromium stress with reference to antioxidation activity. ACTA ACUST UNITED AC 2012. [DOI: 10.1590/s1677-04202012000300007] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Myers CR. The effects of chromium(VI) on the thioredoxin system: implications for redox regulation. Free Radic Biol Med 2012; 52:2091-107. [PMID: 22542445 PMCID: PMC3955998 DOI: 10.1016/j.freeradbiomed.2012.03.013] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2011] [Revised: 03/09/2012] [Accepted: 03/09/2012] [Indexed: 01/01/2023]
Abstract
Hexavalent chromium [Cr(VI)] compounds are highly redox active and have long been recognized as potent cytotoxins and carcinogens. The intracellular reduction of Cr(VI) generates reactive Cr intermediates, which are themselves strong oxidants, as well as superoxide, hydrogen peroxide, and hydroxyl radical. These probably contribute to the oxidative damage and effects on redox-sensitive transcription factors that have been reported. However, the identification of events that initiate these signaling changes has been elusive. More recent studies show that Cr(VI) causes irreversible inhibition of thioredoxin reductase (TrxR) and oxidation of thioredoxin (Trx) and peroxiredoxin (Prx). Mitochondrial Trx2/Prx3 are more sensitive to Cr(VI) treatment than cytosolic Trx1/Prx1, although both compartments show thiol oxidation with higher doses or longer treatments. Thiol redox proteomics demonstrate that Trx2, Prx3, and Trx1 are among the most sensitive proteins in cells to Cr(VI) treatment. Their oxidation could therefore represent initiating events that have widespread implications for protein thiol redox control and for multiple aspects of redox signaling. This review summarizes the effects of Cr(VI) on the TrxR/Trx system and how these events could influence a number of downstream redox signaling systems that are influenced by Cr(VI) exposure. Some of the signaling events discussed include the activation of apoptosis signal regulating kinase and MAP kinases (p38 and JNK) and the modulation of a number of redox-sensitive transcription factors including AP-1, NF-κB, p53, and Nrf2.
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Affiliation(s)
- Charles R Myers
- Department of Pharmacology and Toxicology, Medical College of Wisconsin, Milwaukee, WI 53226, USA.
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