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Huang Z, Cao L, Yan D. Inflammatory immunity and bacteriological perspectives: A new direction for copper treatment of sepsis. J Trace Elem Med Biol 2024; 84:127456. [PMID: 38692229 DOI: 10.1016/j.jtemb.2024.127456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Revised: 04/11/2024] [Accepted: 04/12/2024] [Indexed: 05/03/2024]
Abstract
Copper is an essential trace element for all aerobic organisms because of its unique biological functions. In recent years, researchers have discovered that copper can induce cell death through various regulatory mechanisms, thereby inducing inflammation. Efforts have also been made to alter the chemical structure of copper to achieve either anticancer or anti-inflammatory effects. The copper ion can exhibit bactericidal effects by interfering with the integrity of the cell membrane and promoting oxidative stress. Sepsis is a systemic inflammatory response caused by infection. Some studies have revealed that copper is involved in the pathophysiological process of sepsis and is closely related to its prognosis. During the infection of sepsis, the body may enhance the antimicrobial effect by increasing the release of copper. However, to avoid copper poisoning, all organisms have evolved copper resistance genes. Therefore, further analysis of the complex relationship between copper and bacteria may provide new ideas and research directions for the treatment of sepsis.
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Affiliation(s)
- Zhenzhen Huang
- Department of Emergency Medicine,Zhoukou Central Hospital, No.26 Renmin Road, Chuanhui District, Zhoukou, Henan Province 466000, China
| | - Lunfei Cao
- Department of Emergency Medicine,Zhoukou Central Hospital, No.26 Renmin Road, Chuanhui District, Zhoukou, Henan Province 466000, China
| | - Dengfeng Yan
- Department of Emergency Medicine,Zhoukou Central Hospital, No.26 Renmin Road, Chuanhui District, Zhoukou, Henan Province 466000, China..
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2
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Zahran E, Ahmed F, Hassan Z, Ibrahim I, Khaled AA, Palić D, El Sebaei MG. Toxicity Evaluation, Oxidative, and Immune Responses of Mercury on Nile Tilapia: Modulatory Role of Dietary Nannochloropsis oculata. Biol Trace Elem Res 2024; 202:1752-1766. [PMID: 37491615 PMCID: PMC10859351 DOI: 10.1007/s12011-023-03771-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Accepted: 07/09/2023] [Indexed: 07/27/2023]
Abstract
The current study evaluated the potential ameliorative effect of a dietary immune modulator, Nannochloropsis oculata microalga, on the mercuric chloride (HgCl2)-induced toxicity of Nile tilapia. Nile tilapia (45-50 g) were fed a control diet or exposed to ¼ LC50 of HgCl2 (0.3 mg/L) and fed on a medicated feed supplemented with N. oculata (5% and 10% (50 or 100 g/kg dry feed)) for 21 days. Growth and somatic indices, Hg2+ bioaccumulation in muscles, and serum acetylcholinesterase (AChE) activity were investigated. Antioxidant and stress-related gene expression analyses were carried out in gills and intestines. Histopathological examinations of gills and intestines were performed to monitor the traits associated with Hg2+ toxicity or refer to detoxification. Hg2+ toxicity led to significant musculature bioaccumulation, inhibited AChE activity, downregulated genes related to antioxidants and stress, and elicited histopathological changes in the gills and intestine. Supplementation with N. oculata at 10% was able to upregulate the anti-oxidative-related genes while downregulated the stress apoptotic genes in gills and intestines compared to the unexposed group. In addition, minor to no histopathological traits were detected in the gills and intestines of the N. oculata-supplemented diets. Our data showed the benefit of dietary N. oculata in suppressing Hg2+ toxicity, which might support its efficacy as therapeutic/preventive agent to overcome environmental heavy metal pollution in aquatic habitats.
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Affiliation(s)
- Eman Zahran
- Department of Aquatic Animal Medicine, Faculty of Veterinary Medicine, Mansoura University, Mansoura, 35516, Egypt.
| | - Fatma Ahmed
- Department of Zoology, Faculty of Science, Sohag University, Sohag, 82524, Egypt
| | - Zeinab Hassan
- Fish Disease Department, Faculty of Veterinary Medicine, Aswan University, Aswan, 81528, Egypt
| | - Iman Ibrahim
- Pathology Department, Faculty of Veterinary Medicine, Mansoura University, Mansoura, 35516, Egypt
| | - Asmaa A Khaled
- Animal and Fish Production Department, Faculty of Agriculture Saba Basha, Alexandria University, Alexandria, Egypt
| | - Dušan Palić
- Chair for Fish Diseases and Fisheries Biology, Ludwig-Maximilians-University Munich, Munich, 80539, Germany
| | - Mahmoud G El Sebaei
- Department of Biomedical Sciences, College of Veterinary Medicine, King Faisal University, Al-Ahsa, 31982, Saudi Arabia
- Department of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, 35516, Egypt
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3
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Motta CM, Rosati L, Cretì P, Montinari MR, Denre P, Simoniello P, Fogliano C, Scudiero R, Avallone B. Histopathological effects of long-term exposure to realistic concentrations of cadmium in the hepatopancreas of Sparus aurata juveniles. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2024; 268:106858. [PMID: 38325058 DOI: 10.1016/j.aquatox.2024.106858] [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: 10/25/2023] [Revised: 01/25/2024] [Accepted: 02/02/2024] [Indexed: 02/09/2024]
Abstract
In recent decades, cadmium has emerged as an environmental stressor in aquatic ecosystems due to its persistence and toxicity. It can enter water bodies from various natural and anthropogenic sources and, once introduced into aquatic systems, can accumulate in sediments and biota, leading to bioaccumulation and biomagnification in the food chain. For this reason, the effects of cadmium on aquatic life remain an area of ongoing research and concern. In this paper, a multidisciplinary approach was used to assess the effects of long-term exposure to an environmental concentration on the hepatopancreas of farmed juveniles of sea bream, Sparus aurata. After determining metal uptake, metallothionein production was assessed to gain insight into the organism's defence response. The effects were also assessed by histological and ultrastructural analyses. The results indicate that cadmium accumulates in the hepatopancreas at significant concentrations, inducing structural and functional damage. Despite the parallel increase in metallothioneins, fibrosis, alterations in carbohydrate distribution and endocrine disruption were also observed. These effects would decrease animal fitness although it did not translate into high mortality or reduced growth. This could depend on the fact that the animals were farmed, protected from the pressure deriving from having to search for food or escape from predators. Not to be underestimated is the return to humans, as this species is edible. Understanding the behaviour of cadmium in aquatic systems, its effects at different trophic levels and the potential risks to human health from the consumption of contaminated seafood would therefore be essential for informed environmental management and policy decisions.
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Affiliation(s)
| | - Luigi Rosati
- Department of Biology, University of Naples Federico II, Naples, Italy
| | - Patrizia Cretì
- Department of Biological and Environmental Sciences and Technologies, University of Salento, Lecce, Italy
| | - Maria Rosa Montinari
- Chair of History of Medicine, Department of Biological and Environmental Sciences and Technologies, University of Salento, Lecce, Italy
| | - Pabitra Denre
- Department of Biology, University of Naples Federico II, Naples, Italy
| | - Palma Simoniello
- Department of Science and Technology, University of Naples Parthenope, Naples, Italy
| | - Chiara Fogliano
- Department of Biology, University of Naples Federico II, Naples, Italy.
| | - Rosaria Scudiero
- Department of Biology, University of Naples Federico II, Naples, Italy
| | - Bice Avallone
- Department of Biology, University of Naples Federico II, Naples, Italy
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Panigrahi AK, Pal PK, Sarkar Paria D. Melatonin as an Ameliorative Agent Against Cadmium- and Lead-Induced Toxicity in Fish: an Overview. Appl Biochem Biotechnol 2024:10.1007/s12010-023-04723-3. [PMID: 38224395 DOI: 10.1007/s12010-023-04723-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/15/2023] [Indexed: 01/16/2024]
Abstract
Diverse anthropogenic activities and lack of knowledge on its consequences have promoted serious heavy metal contaminations in different aquatic systems throughout the globe. The non-biodegradable nature of most of these toxic heavy metals has increased the concern on their possible bioaccumulation in aquatic organisms as well as in other vertebrates. Among these aquatic species, fish are most sensitive to such contaminated water that not only decreases their chance of survivability in the nature but also increases the probability of biomagnifications of these heavy metals in higher order food chain. After entering the fish body, heavy metals induce detrimental changes in different vital organs by impairing multiple physiological and biochemical pathways that are essential for the species. Such alterations may include tissue damage, induction of oxidative stress, immune-suppression, endocrine disorders, uncontrolled cell proliferation, DNA damage, and even apoptosis. Although uncountable reports have explored the toxic effects of different heavy metals in diverse fish species, but surprisingly, only a few attempts have been made to ameliorate such toxic effects. Since, oxidative stress seems to be the underlying common factor in such heavy metal-induced toxicity, therefore, a potent and endogenous antioxidant with no side effect may be an appropriate therapeutic solution. Apart from summarizing the toxic effects of two important toxicants, i.e., cadmium and lead in fish, the novelty of the present treatise lies in its arguments in favor of using melatonin, an endogenous free radical scavenger and indirect antioxidant, in ameliorating the toxic effects of heavy metals in any fish species.
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Affiliation(s)
- Ashis Kumar Panigrahi
- The University of Burdwan, Burdwan, West Bengal, 713104, India
- Eco-toxicology, Fisheries & Aquaculture Extension Laboratory, Department of Zoology, University of Kalyani, Kalyani, West Beng, al-741235, India
| | - Palash Kumar Pal
- Oxidative Stress and Free Radical Biology Laboratory, Department of Physiology, University of Calcutta, 92, A.P.C. Road, Kolkata, 700009, India
| | - Dipanwita Sarkar Paria
- Department of Zoology, Chandernagore College, The University of Burdwan, Chandernagore, West Beng, al-712136, India.
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Calbay O, Padia R, Akter M, Sun L, Li B, Qian N, Guo J, Fu Z, Jin L, Huang S. ASC/inflammasome-independent pyroptosis in ovarian cancer cells through translational augmentation of caspase-1. iScience 2023; 26:108408. [PMID: 38058301 PMCID: PMC10696124 DOI: 10.1016/j.isci.2023.108408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 06/24/2023] [Accepted: 11/03/2023] [Indexed: 12/08/2023] Open
Abstract
Canonical pyroptosis is type of programmed cell death depending on active caspase-1, and the inflammasome carries out caspase-1 activation. Here, we showed that docosahexaenoic acid (DHA) induced ovarian cancer cell deaths in caspase-1-dependent manner. DHA increased caspase-1 activity and led to interleukin-1β secretion and gasdermin D cleavage while disulfiram inhibited DHA-induced cell death, suggesting that DHA triggered pyroptosis. Intriguingly, ASC, the molecule recruiting caspase-1 to inflammasome for activation, was dispensable for DHA-induced pyroptosis. Instead, we observed remarkable elevation in caspase-1 abundance concurrent with the activation of caspase-1 in DHA-treated cells. As ectopically overexpressing caspase-1 resulted in robust amount of active caspase-1, we reason that DHA activates caspase-1 and pyroptosis through the generation of excessive amount of caspase-1 protein. Mechanistically, DHA increased caspase-1 by specifically accelerating caspase-1 protein synthesis via the p38MAPK/Mnk1 signaling pathway. We have uncovered an unknown pyroptosis mechanism in which caspase-1-dependent pyroptosis can occur without the participation of ASC/inflammasome.
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Affiliation(s)
- Ozlem Calbay
- Department of Anatomy and Cell Biology, University of Florida College of Medicine, Gainesville, FL 32610, USA
| | - Ravi Padia
- Department of Anatomy and Cell Biology, University of Florida College of Medicine, Gainesville, FL 32610, USA
| | - Mahmuda Akter
- Department of Anatomy and Cell Biology, University of Florida College of Medicine, Gainesville, FL 32610, USA
| | - Lei Sun
- Department of Anatomy and Cell Biology, University of Florida College of Medicine, Gainesville, FL 32610, USA
| | - Bin Li
- Department of Anatomy and Cell Biology, University of Florida College of Medicine, Gainesville, FL 32610, USA
| | - Nicole Qian
- Department of Anatomy and Cell Biology, University of Florida College of Medicine, Gainesville, FL 32610, USA
| | - Jianhui Guo
- Department of Anatomy and Cell Biology, University of Florida College of Medicine, Gainesville, FL 32610, USA
| | - Zheng Fu
- Department of Human and Molecular Genetics, VCU Institute of Molecular Medicine, VCU Massey Cancer Center, Virginia Commonwealth University, School of Medicine, Richmond, VA 23298, USA
| | - Lingtao Jin
- Department of Molecular Medicine, University of Texas Health San Antonio, San Antonio, TX 78229, USA
| | - Shuang Huang
- Department of Anatomy and Cell Biology, University of Florida College of Medicine, Gainesville, FL 32610, USA
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Luo X, Fu X, Zhang M, Liang H, Niu Y, Lin Q, Ma B, Liu L, Li N. Development of a New Marine Fish Continuous Cell Line Derived from Brain of Red Sea Bream ( Pagrosomus major) and Its Application to Fish Virology and Heavy Metal Toxicology. Animals (Basel) 2023; 13:3524. [PMID: 38003142 PMCID: PMC10668679 DOI: 10.3390/ani13223524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 11/10/2023] [Accepted: 11/12/2023] [Indexed: 11/26/2023] Open
Abstract
Red sea bream (Pagrosomus major) is one of the most popular farmed marine teleost fish species. Fish cell lines are becoming important research tool in the aquaculture field, and they are suitable models to study fish virology, immunology and toxicology. To obtain a Pagrosomus major cell line for biological studies, a continuous cell line from brain of red sea bream (designated as RSBB cell line) was established and has been successfully subcultured over 100 passages. The RSBB cell line predominantly consisted of fibroblast-like cells and multiplied well in M199 medium supplemented with 10% fetal bovine serum at 28 °C. Karyotyping analysis indicated that the modal chromosome numbers of RSBB cells was 48. After transfection with pEGFP-N1, RSBB cells showed bright green fluorescence with a transfection efficiency approaching 8%. For toxicology study, it was demonstrated that metal Cd could induce cytotoxic effects of RSBB cells, accompanied with a dose-dependent MTT conversion capacity. Morphologically, cells treated with metal Cd produced rounding, shrinking and detaching and induced both cell apoptosis and necrosis. For virology study, the RSBB cells were highly susceptible to Nervous necrosis virus (NNV) and Singapore grouper iridovirus (SGIV) with steady titers (i.e., 108.0~8.3 TCID50 mL-1 and 107.0~7.2 TCID50 mL-1 respectively). Furthermore, an obvious cytopathic effect (CPE) could be observed in RSBB cells infected with Infectious spleen and kidney necrosis virus (ISKNV) and Siniperca chuatsi rhabdoviruses (SCRV). Meanwhile, all the infections were confirmed by polymerase chain reaction. The new brain cell line developed and characterized from red sea bream in this study could be used as an in vitro model for fish studies in the fields of toxicology and virology.
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Affiliation(s)
- Xia Luo
- Pearl River Fishery Research Institute, Chinese Academy of Fishery Sciences, Key Laboratory of Fishery Drug Development, Ministry of Agriculture and Rural Affairs, Guangdong Province Key Laboratory of Aquatic Animal Immune Technology, Guangzhou 510380, China
| | - Xiaozhe Fu
- Pearl River Fishery Research Institute, Chinese Academy of Fishery Sciences, Key Laboratory of Fishery Drug Development, Ministry of Agriculture and Rural Affairs, Guangdong Province Key Laboratory of Aquatic Animal Immune Technology, Guangzhou 510380, China
| | - Min Zhang
- School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao 266109, China
| | - Hongru Liang
- Pearl River Fishery Research Institute, Chinese Academy of Fishery Sciences, Key Laboratory of Fishery Drug Development, Ministry of Agriculture and Rural Affairs, Guangdong Province Key Laboratory of Aquatic Animal Immune Technology, Guangzhou 510380, China
| | - Yinjie Niu
- Pearl River Fishery Research Institute, Chinese Academy of Fishery Sciences, Key Laboratory of Fishery Drug Development, Ministry of Agriculture and Rural Affairs, Guangdong Province Key Laboratory of Aquatic Animal Immune Technology, Guangzhou 510380, China
| | - Qiang Lin
- Pearl River Fishery Research Institute, Chinese Academy of Fishery Sciences, Key Laboratory of Fishery Drug Development, Ministry of Agriculture and Rural Affairs, Guangdong Province Key Laboratory of Aquatic Animal Immune Technology, Guangzhou 510380, China
| | - Baofu Ma
- Pearl River Fishery Research Institute, Chinese Academy of Fishery Sciences, Key Laboratory of Fishery Drug Development, Ministry of Agriculture and Rural Affairs, Guangdong Province Key Laboratory of Aquatic Animal Immune Technology, Guangzhou 510380, China
| | - Lihui Liu
- Pearl River Fishery Research Institute, Chinese Academy of Fishery Sciences, Key Laboratory of Fishery Drug Development, Ministry of Agriculture and Rural Affairs, Guangdong Province Key Laboratory of Aquatic Animal Immune Technology, Guangzhou 510380, China
| | - Ningqiu Li
- Pearl River Fishery Research Institute, Chinese Academy of Fishery Sciences, Key Laboratory of Fishery Drug Development, Ministry of Agriculture and Rural Affairs, Guangdong Province Key Laboratory of Aquatic Animal Immune Technology, Guangzhou 510380, China
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7
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Luo D, Lu Y, Liu Q, Yin H, Huang X, Li S. The mechanism of cadmium exposure-induced lymph node necroptosis and inflammation in piglets: Activation of CYP450 through VDR / CREB1 pathway. Res Vet Sci 2023; 164:105044. [PMID: 37806098 DOI: 10.1016/j.rvsc.2023.105044] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 09/25/2023] [Accepted: 10/03/2023] [Indexed: 10/10/2023]
Abstract
Cadmium (Cd) is toxic non-essential heavy metal that precipitates adverse health effects in humans and animals, but the effect of Cd on lymph node toxicity of piglets is still unclear. In order to explore the possible molecular mechanism of Cd toxicity to lymph nodes of piglets, ten 6-week-old male weaned piglets were randomly divided into two groups, C group and Cd group. Group C was fed with basal diet, while group Cd was fed with basal diet supplemented with CdCl2 (20 mg/kg) for 40 days, the pigs were euthanized and the mesenteric, inguinal and submandibular lymph nodes (MLN, ILN, SLN) were collected. The results indicated that Cd could induce the inflammatory cell infiltration, microvascular hemorrhage, microthrombosis and cell necrosis in MLN, ILN and SLN of piglets, induced Cytochrome P450 proteins (CYP1A1、CYP2E1、CYP2A1 and CYP3A2) mRNA levels and the protein levels of Vitamin D receptor (VDR) and cAMP response element binding protein 1 (CREB1). In addition, Cd exposure upregulated the mRNA and protein levels of dynamin-related protein 1 (DRP1), receptor-interacting protein kinase 3 (RIP3), mixed lineage kinase domain-like protein (MLKL), and increased tumor necrosis factor-α (TNFα), interferon-γ (IFNγ), interleukin-2 (IL-2), interleukin-4 (IL-4), cyclooxygenase 2 (COX-2) protein levels, and the damage degree of three kinds of lymph nodes was similar after Cd exposure. In general, these results manifest that Cd exposure regulates VDR/CREB1 pathway, activates CYP450s, induces necroptosis of lymph nodes, and leads to inflammation.
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Affiliation(s)
- Dongliu Luo
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Yiming Lu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Qiaohan Liu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Hang Yin
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Xiaodan Huang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China.
| | - Shu Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China.
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Tang X, Yan Z, Miao Y, Ha W, Li Z, Yang L, Mi D. Copper in cancer: from limiting nutrient to therapeutic target. Front Oncol 2023; 13:1209156. [PMID: 37427098 PMCID: PMC10327296 DOI: 10.3389/fonc.2023.1209156] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 06/13/2023] [Indexed: 07/11/2023] Open
Abstract
As an essential nutrient, copper's redox properties are both beneficial and toxic to cells. Therefore, leveraging the characteristics of copper-dependent diseases or using copper toxicity to treat copper-sensitive diseases may offer new strategies for specific disease treatments. In particular, copper concentration is typically higher in cancer cells, making copper a critical limiting nutrient for cancer cell growth and proliferation. Hence, intervening in copper metabolism specific to cancer cells may become a potential tumor treatment strategy, directly impacting tumor growth and metastasis. In this review, we discuss the metabolism of copper in the body and summarize research progress on the role of copper in promoting tumor cell growth or inducing programmed cell death in tumor cells. Additionally, we elucidate the role of copper-related drugs in cancer treatment, intending to provide new perspectives for cancer treatment.
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Affiliation(s)
- Xiaolong Tang
- The First Clinical Medical College, Lanzhou University, Lanzhou, Gansu, China
- The Second Department of Gastrointestinal Surgery, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan, China
| | - Zaihua Yan
- The First Clinical Medical College, Lanzhou University, Lanzhou, Gansu, China
- The Second Department of Gastrointestinal Surgery, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan, China
| | - Yandong Miao
- Department of Oncology, Yantai Affiliated Hospital of Binzhou Medical University, The Second Clinical Medical College of Binzhou Medical University, Yantai, Shandong, China
| | - Wuhua Ha
- The First Clinical Medical College, Lanzhou University, Lanzhou, Gansu, China
| | - Zheng Li
- Division of Thoracic Tumor Multimodality Treatment and Department of Radiation Oncology, Cancer Center, West China Hospital of Sichuan University, Chengdu, Sichuan, China
| | - Lixia Yang
- Gansu Academy of Traditional Chinese Medicine, Lanzhou, Gansu, China
| | - Denghai Mi
- The First Clinical Medical College, Lanzhou University, Lanzhou, Gansu, China
- Gansu Academy of Traditional Chinese Medicine, Lanzhou, Gansu, China
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da Silva Montes C, Fernandes da Paixão L, Nunes B, Pimentel Nunes ZM, Pantoja Ferreira MA, Martins da Rocha R. Investigating spatial-temporal contamination for two environments of the Amazon estuary: A multivariate approach. MARINE ENVIRONMENTAL RESEARCH 2023; 185:105883. [PMID: 36709654 DOI: 10.1016/j.marenvres.2023.105883] [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: 07/20/2022] [Revised: 01/07/2023] [Accepted: 01/12/2023] [Indexed: 06/18/2023]
Abstract
An assessment of environmental quality in Amazonian estuaries utilizing histological and immunohistochemical biomarkers concomitantly with analyses of trace metals in the tissues of Sciades herzbergii, also considering physical chemical analyzes of the water. 352 animals were captured from two sites and during two periods (dry and rainy). Site 1: São Marcos Bay - heavy anthropic influence and Site 2: Caeté estuary-preserved estuary. In the laboratory, the fish were weighed (g) and measured (cm). Fragments of gills and liver were analyzed using histology and immunohistochemistry (Caspase 3). The specimens from Site 1 presented a low-value condition factor, with the highest concentrations of Al, Cd, and Hg appearing in the muscle, and most severe damages to gills and liver. In contrast, individuals from Site 2 presented a high-value condition factor and showed low metal concentrations in the muscle with only slight tissue lesions. Furthermore, our results demonstrated that seasonal changes affect metal modulation and pathologies in fish at Site 1. The sentinel species chosen in this study is considered a strong bioindicator of pollution and the combination of different biomarkers was efficient in providing a clear view of the signs of exposure to pollutants, and the risks posed to fish health by the presence of metals in the environment, especially in Site 1.
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Affiliation(s)
- Caroline da Silva Montes
- Laboratory of Cellular Ultrastructure and Immunohistochemistry, Institute of Biological Sciences, Federal University of Pará (UFPA), Belém, Pará, 66075-110, Brazil; Department of Zoology, Faculty of Natural Science and Oceanography, University of Concepción, Concepción, Chile.
| | - Leonardo Fernandes da Paixão
- Laboratory of Cellular Ultrastructure and Immunohistochemistry, Institute of Biological Sciences, Federal University of Pará (UFPA), Belém, Pará, 66075-110, Brazil
| | - Bruno Nunes
- Centro de Estudos do Ambiente e do Mar (CESAM), Universidade de Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal; Departamento de Biologia, Universidade de Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal
| | - Zélia Maria Pimentel Nunes
- Instituto de Estudos Costeiros, Universidade Federal do Pará, Alameda Leandro Ribeiro S/n Aldeia, Bragança, PA, 68600-000, Brazil
| | - Maria Auxiliadora Pantoja Ferreira
- Laboratory of Cellular Ultrastructure and Immunohistochemistry, Institute of Biological Sciences, Federal University of Pará (UFPA), Belém, Pará, 66075-110, Brazil
| | - Rossineide Martins da Rocha
- Laboratory of Cellular Ultrastructure and Immunohistochemistry, Institute of Biological Sciences, Federal University of Pará (UFPA), Belém, Pará, 66075-110, Brazil
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Xue Y, Jiang X, Wang J, Zong Y, Yuan Z, Miao S, Mao X. Effect of regulatory cell death on the occurrence and development of head and neck squamous cell carcinoma. Biomark Res 2023; 11:2. [PMID: 36600313 PMCID: PMC9814270 DOI: 10.1186/s40364-022-00433-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Accepted: 11/08/2022] [Indexed: 01/06/2023] Open
Abstract
Head and neck cancer is a malignant tumour with a high mortality rate characterized by late diagnosis, high recurrence and metastasis rates, and poor prognosis. Head and neck squamous cell carcinoma (HNSCC) is the most common type of head and neck cancer. Various factors are involved in the occurrence and development of HNSCC, including external inflammatory stimuli and oncogenic viral infections. In recent years, studies on the regulation of cell death have provided new insights into the biology and therapeutic response of HNSCC, such as apoptosis, necroptosis, pyroptosis, autophagy, ferroptosis, and recently the newly discovered cuproptosis. We explored how various cell deaths act as a unique defence mechanism against cancer emergence and how they can be exploited to inhibit tumorigenesis and progression, thus introducing regulatory cell death (RCD) as a novel strategy for tumour therapy. In contrast to accidental cell death, RCD is controlled by specific signal transduction pathways, including TP53 signalling, KRAS signalling, NOTCH signalling, hypoxia signalling, and metabolic reprogramming. In this review, we describe the molecular mechanisms of nonapoptotic RCD and its relationship to HNSCC and discuss the crosstalk between relevant signalling pathways in HNSCC cells. We also highlight novel approaches to tumour elimination through RCD.
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Affiliation(s)
- Yuting Xue
- grid.412651.50000 0004 1808 3502Department of Head and Neck Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Xuejiao Jiang
- grid.24696.3f0000 0004 0369 153XBeijing Key Lab of TCM Collateral Disease Theory Research, School of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Junrong Wang
- grid.412651.50000 0004 1808 3502Department of Head and Neck Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Yuxuan Zong
- Department of Breast Surgery, The First of hospital of Qiqihar, Qiqihar, China
| | - Zhennan Yuan
- grid.412651.50000 0004 1808 3502Department of Head and Neck Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Susheng Miao
- grid.412651.50000 0004 1808 3502Department of Head and Neck Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Xionghui Mao
- grid.412651.50000 0004 1808 3502Department of Head and Neck Surgery, Harbin Medical University Cancer Hospital, Harbin, China
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Li S, Liu R, Xia S, Wei G, Ishfaq M, Zhang Y, Zhang X. Protective role of curcumin on aflatoxin B1-induced TLR4/RIPK pathway mediated-necroptosis and inflammation in chicken liver. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 233:113319. [PMID: 35189522 DOI: 10.1016/j.ecoenv.2022.113319] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 01/30/2022] [Accepted: 02/14/2022] [Indexed: 06/14/2023]
Abstract
This study set out to assess the mitigative effects of curcumin on AFB1-induced necroptosis and inflammation in chicken liver. Ninety-six one-day-old AA broiler chickens were separated into four groups, including control group, AFB1 (1 mg/kg) group, curcumin (300 mg/kg) + AFB1 (1 mg/kg) group and curcumin (300 mg/kg) group. After 28 days treatment, livers were collected for different experimental analyses. The morphological observation results showed obvious necrotic characteristics, including cell swelling, rupture of cell and mitochondrial membranes and inflammation in chicken livers. AFB1 exposure increased oxidative stress index (ROS and MDA) and decreased the antioxidant activity markers (SOD, CAT and GSH) and ATPase activities in chickens' liver. ELISA results showed that AFB1 exposure significantly induced the cytokines (TNF-α, iNOS, IL-6 and IL-1β) release from the liver tissues. While, western blot and qRT-PCR results showed that the protein and mRNA expressions of inflammatory (TLR4/myd88/NF-κB) and necroptosis (RIPK1/RIPK3/MLKL) genes were up-regulated by AFB1 exposure. We suspect that signal crosstalk between TLR4 and TNF-α triggers inflammation and RIPK1/RIPK3 mediating necroptosis in AFB1-induced chicken liver injury. Curcumin can regulate the TLR4/RIPK signaling pathway, reduced oxidative stress biomarkers and inflammatory cytokines levels and attenuated the expression of necroptosis and inflammation genes altered by AFB1 to reduce necroptosis of chicken liver tissue. In conclusion, curcumin can protect against AFB1-induced necroptosis and inflammation by TLR4/RIPK pathway in chicken liver.
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Affiliation(s)
- Sihong Li
- Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development, Faculty of Basic Veterinary Science, College of Veterinary Medicine, Northeast Agricultural University, 600 Changjiang Road, Xiangfang District, Harbin, China; Animal Genome Engineering Research Team, College of Animal Science and Technology, College of Veterinary Medicine, Zhejiang A&F University, Hangzhou 311300, China
| | - Ruimeng Liu
- Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development, Faculty of Basic Veterinary Science, College of Veterinary Medicine, Northeast Agricultural University, 600 Changjiang Road, Xiangfang District, Harbin, China
| | - Shun Xia
- Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development, Faculty of Basic Veterinary Science, College of Veterinary Medicine, Northeast Agricultural University, 600 Changjiang Road, Xiangfang District, Harbin, China
| | - Gaoqiang Wei
- Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development, Faculty of Basic Veterinary Science, College of Veterinary Medicine, Northeast Agricultural University, 600 Changjiang Road, Xiangfang District, Harbin, China
| | - Muhammad Ishfaq
- Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development, Faculty of Basic Veterinary Science, College of Veterinary Medicine, Northeast Agricultural University, 600 Changjiang Road, Xiangfang District, Harbin, China; Huanggang Normal University, 438000 Huanggang, China
| | - Yixin Zhang
- Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development, Faculty of Basic Veterinary Science, College of Veterinary Medicine, Northeast Agricultural University, 600 Changjiang Road, Xiangfang District, Harbin, China
| | - Xiuying Zhang
- Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development, Faculty of Basic Veterinary Science, College of Veterinary Medicine, Northeast Agricultural University, 600 Changjiang Road, Xiangfang District, Harbin, China.
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Wang T, Wu L, Chen Q, Chen K, Tan F, Liu J, Liu X, Han H. Copper deposition in Wilson's disease causes male fertility decline by impairing reproductive hormone release through inducing apoptosis and inhibiting ERK signal in hypothalamic-pituitary of mice. Front Endocrinol (Lausanne) 2022; 13:961748. [PMID: 35992126 PMCID: PMC9389053 DOI: 10.3389/fendo.2022.961748] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Accepted: 07/11/2022] [Indexed: 11/13/2022] Open
Abstract
Wilson's disease (WD) is an autosomal recessive disorder of copper metabolism characterized by liver and central nervous system dysfunction. Considerable evidence suggests that infertility is also very common in male patients with WD, but the exact molecular mechanisms involved remain unknown. In order to further investigate the pathological changes in the hypothalamic-pituitary-testicular (HPT) axis and its mechanisms, mice were divided into the normal control group (NC), WD model TX mice group (WD), dimercaptosuccinic acid-treated TX mice group (DMSA), and pregnant horse serum gonadotropin-treated TX mice group (PMSG). The copper content and morphology of hypothalamus and pituitary tissues, the ultrastructure and apoptosis of hypothalamus neurons and pituitary gonadotropin cells, the serum levels of reproductive hormones, and the pregnancy rate and litter size of the female mice were studied. The expression of apoptosis-related proteins and the phosphorylation of extracellular regulatory protein kinase (ERK) 1/2 in the hypothalamus and pituitary were detected. The results showed that the copper content was significantly increased in the WD group, and the histopathological morphology and ultrastructure of the hypothalamus and pituitary were damaged. The levels of the gonadotropin-releasing hormone, the follicle-stimulating hormone, the luteinizing hormone, and testosterone were significantly decreased. The apoptosis rate in the hypothalamus and pituitary was significantly increased. The expressions of proapoptotic proteins Bax and Caspase-3 were significantly increased, the expression of the anti-apoptotic protein Bcl-2 was significantly decreased, and the phosphorylation level of ERK1/2 was significantly decreased. Fertility is significantly reduced. After DMSA intervention, the hypothalamus tissue copper content decreased, the hypothalamus and pituitary tissue morphology and ultrastructure were improved, cell apoptosis was alleviated, the expression of Bax and Caspase-3 was significantly decreased, the expression of Bcl-2 was significantly increased, and the reproductive hormone level, phosphorylation level, and fertility were increased. Fertility was preserved after treatment with PMSG in male TX mice. These results suggest that copper deposition in WD causes male fertility decline by impairing reproductive neuroendocrine hormone release through inducing apoptosis and inhibiting the ERK signal in the hypothalamic-pituitary region. This study can also provide reference for the damage of copper pollution to the male reproductive system.
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Affiliation(s)
- Tingting Wang
- Encephalopathy Center, The First Affiliated Hospital, Anhui University of Traditional Chinese Medicine, Hefei, China
| | - Limin Wu
- Reproductive and Genetic Branch, The First Affiliated Hospital of University of Science and Technology of China (USTC), Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
- *Correspondence: Hui Han, ; Limin Wu,
| | - Qiuying Chen
- Encephalopathy Center, The First Affiliated Hospital, Anhui University of Traditional Chinese Medicine, Hefei, China
| | - Kuiyu Chen
- Encephalopathy Center, The First Affiliated Hospital, Anhui University of Traditional Chinese Medicine, Hefei, China
| | - Fang Tan
- Encephalopathy Center, The First Affiliated Hospital, Anhui University of Traditional Chinese Medicine, Hefei, China
| | - Jiabo Liu
- Encephalopathy Center, The First Affiliated Hospital, Anhui University of Traditional Chinese Medicine, Hefei, China
| | - Xiang Liu
- Encephalopathy Center, The First Affiliated Hospital, Anhui University of Traditional Chinese Medicine, Hefei, China
| | - Hui Han
- Encephalopathy Center, The First Affiliated Hospital, Anhui University of Traditional Chinese Medicine, Hefei, China
- *Correspondence: Hui Han, ; Limin Wu,
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Chen J, Shao B, Wang J, Shen Z, Liu H, Li S. Chlorpyrifos caused necroptosis via MAPK/NF-κB/TNF-α pathway in common carp (Cyprinus carpio L.) gills. Comp Biochem Physiol C Toxicol Pharmacol 2021; 249:109126. [PMID: 34217843 DOI: 10.1016/j.cbpc.2021.109126] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2021] [Revised: 06/16/2021] [Accepted: 06/27/2021] [Indexed: 12/18/2022]
Abstract
Chlorpyrifos (CPF) is an organophosphate insecticide and can cause cell death of animals. In the study, the common carp were exposed to CPF at 0 μg/L (the control group), 1.16 μg/L (the low dose group), 11.6 μg/L (the medium dose group), and 116 μg/L (the high dose group), respectively. The carp were euthanized at the 30th day and gills were collected immediately. The ultrastructural and histopathological observations showed obvious necrosis characteristics and inflammatory injury in the CPF-treated groups. CPF exposure activated the MAPK pathway, in which the mRNA and protein expressions of extracellular signal-regulated (ERK), p38 MAP kinase (p38), and c-Jun N-terminal kinase (JNK) were increased; the mRNAs and proteins of NF-κB and TNF-α were activated; and the mRNAs and proteins of necroptosis related genes were changed (the mRNA and protein expression of RIPK1, RIPK3, MLKL, and FADD were increased and caspase-8 was decreased) with concentration dependency. Taken together, we concluded that CPF exposure activated the MAPK/NF-κB/TNF-α pathway, promoted inflammatory injure and evoked necroptosis in common carp gills. In addition, CPF-induced inflammation and necroptosis was concentration dependency. The toxic effects of CPF on gills provided data for both aquaculture and toxicological studies.
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Affiliation(s)
- Jianqing Chen
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; Key Laboratory of the Provincial Education Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Bing Shao
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Jinliang Wang
- Shandong Binzhou Animal Science & Veterinary Medicine Academy, Binzhou 256600, China
| | - Zhiqiang Shen
- Shandong Binzhou Animal Science & Veterinary Medicine Academy, Binzhou 256600, China
| | - Honggui Liu
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China.
| | - Shu Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; Key Laboratory of the Provincial Education Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China.
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Cadmium exposure induces inflammation and necroptosis in porcine adrenal gland via activating NF-κB/MAPK pathway. J Inorg Biochem 2021; 223:111516. [PMID: 34237625 DOI: 10.1016/j.jinorgbio.2021.111516] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 05/31/2021] [Accepted: 06/02/2021] [Indexed: 02/06/2023]
Abstract
Cadmium (Cd) is a heavy metal harmful to animals and humans. Cd exposure causes inflammation or necroptosis in many tissues, including adrenal tissue. However, the current researches on the effects of Cd2+ in adrenal tissues are not enough. Therefore, in our experiment Cd chloride (CdCl2) was added to the piglet's diet at a concentration of 20 mg/kg to study the effects of Cd2+ exposure on the porcine adrenal tissue. Our results showed that Cd2+ exposure could cause inflammation by activating the nuclear factor kappa-B (NF-κB) pathway, which in turn induced necroptosis in adrenal tissue with the activated mitogen-activated protein kinase (MAPK) pathway. The expression increase of inflammatory factors and necroptosis downstream genes, and the downregualtion of cysteinyl aspartate specific proteinase 8 (Caspase 8) proved that Cd2+ exposure caused inflammation and necroptosis in adrenal tissue. We conclude that this report provides more basic theoretical data for exploring the mechanism of adrenal injury.
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Liu L, Liu Y, Cheng X, Qiao X. The Alleviative Effects of Quercetin on Cadmium-Induced Necroptosis via Inhibition ROS/iNOS/NF-κB Pathway in the Chicken Brain. Biol Trace Elem Res 2021; 199:1584-1594. [PMID: 33398654 DOI: 10.1007/s12011-020-02563-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Accepted: 12/25/2020] [Indexed: 02/06/2023]
Abstract
Cadmium (Cd), a ubiquitous environmental pollutant, has neurotoxicity to humans and animals. Quercetin (QE), the main component of flavonoids, has strong antioxidant and anti-inflammatory effects. However, little is reported about the influence of Cd exposure on necroptosis in the chicken brain and the antagonistic impacts of QE against Cd-induced brain necroptosis. The aim of this study was to ascertain the alleviative mechanism of QE on Cd-induced necroptosis in the chicken brain. Two hundred 3.5-month-old Isa hens were randomly divided into four groups, control group, QE group, Cd group, and Cd + QE co-administration group. The histopathological analysis indicated that necrosis features were observed in the Cd-intoxicated chicken brains. Meanwhile, the expression levels of RIPK1, RIPK3, and MLKL were elevated and the level of Caspase 8 was reduced in the Cd group, which further testified Cd triggered the occurrence of necroptosis in the chicken brain. Cd exposure obviously increased Cd accumulation, ROS generation, and MDA level; weakened the activities of antioxidase (SOD, GPx, and CAT); enhanced iNOS activity and NO production; promoted the expression of inflammatory factors (NF-κB, TNFα, COX-2, iNOS, PTGEs, and IL-1β); and activated HSPs (HSP27, HSP40, HSP60, HSP70, and HSP90). But, these Cd-caused variations were obviously attenuated in the Cd + QE group. This study indicated that QE had an alleviative effect on Cd-induced necroptosis in the chicken brain through inhibition ROS/iNOS/NF-κB pathway.
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Affiliation(s)
- Lili Liu
- College of Pharmacy, Heilongjiang University of Chinese Medicine, Harbin, 150040, People's Republic of China
| | - Yuan Liu
- College of Pharmacy, Heilongjiang University of Chinese Medicine, Harbin, 150040, People's Republic of China
| | - Xi Cheng
- Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development, Department of Preventive Veterinary, College of Veterinary, Northeast Agricultural University, 600 Changjiang Street, Harbin, 150030, People's Republic of China
| | - Xinyuan Qiao
- Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development, Department of Preventive Veterinary, College of Veterinary, Northeast Agricultural University, 600 Changjiang Street, Harbin, 150030, People's Republic of China.
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Wang Y, Chen H, Chang W, Chen R, Xu S, Tao D. Protective effects of selenium yeast against cadmium-induced necroptosis via inhibition of oxidative stress and MAPK pathway in chicken liver. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 206:111329. [PMID: 32979722 DOI: 10.1016/j.ecoenv.2020.111329] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 08/26/2020] [Accepted: 09/10/2020] [Indexed: 06/11/2023]
Abstract
The aim of the study was to investigate the protective effects of selenium yeast (SeY) against necroptosis triggered by Cd via inhibition of oxidative stress and MAPK pathway in the liver of chicken. Two hundred 120-day-old layers were randomly divided into four groups and raised for 120 days. The histopathological examination showed that necrosis characteristics were observed in Cd-exposed chicken livers. The exposure of Cd significantly reduced the activities of SOD, GSH-Px and CAT while improving MDA level in both serum and liver of chickens (P < 0.05), and induced oxidative stress. The MLKL, Rip1, RIP3, ERK, JNK and P38 mRNA expression of Cd group were significantly higher than other three groups (P < 0.01), and those in the Se + Cd group were significantly higher than control group and Se group (P < 0.01). However, the mRNA expression level of caspase8 of Cd was significantly lower than other three groups (P < 0.01), and that in the Se + Cd group was significantly higher than control group and Se group (P < 0.01), so the supplement of SeY could improve these situations. Similar results were also detected at the protein level. The results of the present study indicated that Cd could induce oxidative stress, activate MAPK pathway and evoke necroptosis damage in chicken livers, whereas SeY had protective effects in preventing this kind of Cd-induced injury by inhibition of oxidative stress and down-regulation MAPK pathway.
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Affiliation(s)
- Yong Wang
- College of Animal Science, Tarim University, Alar, Xinjiang Uygur Autonomous Region, 843300, China
| | - Hongwei Chen
- College of Animal Science, Tarim University, Alar, Xinjiang Uygur Autonomous Region, 843300, China
| | - Weihua Chang
- College of Animal Science, Tarim University, Alar, Xinjiang Uygur Autonomous Region, 843300, China
| | - Rong Chen
- College of Animal Science, Tarim University, Alar, Xinjiang Uygur Autonomous Region, 843300, China
| | - Shiwen Xu
- College of Animal Science, Tarim University, Alar, Xinjiang Uygur Autonomous Region, 843300, China.
| | - Dayong Tao
- College of Animal Science, Tarim University, Alar, Xinjiang Uygur Autonomous Region, 843300, China.
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Sepand MR, Aliomrani M, Hasani-Nourian Y, Khalhori MR, Farzaei MH, Sanadgol N. Mechanisms and pathogenesis underlying environmental chemical-induced necroptosis. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:37488-37501. [PMID: 32683625 DOI: 10.1007/s11356-020-09360-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Accepted: 05/18/2020] [Indexed: 06/11/2023]
Abstract
Necroptosis is a regulated cell death that is governed by mixed lineage kinase domain-like, receptor-interacting serine-threonine kinase 3 and commonly displays with necrosis morphological characteristics. This study examined the molecular mechanisms involved in the chemical-induced necroptosis where a systematic evaluation of experimental studies addressing this issue is missing. We strictly reviewed all scientific reports related to our search terms including "necroptosis" or "programmed necrosis", "environmental chemicals" or "air pollutants" or "pesticides" or "nanoparticles" and "Medicines" from 2009 to 2019. Manuscripts that met the objective of this study were included for further evaluations. Studies showed that several pathological contexts like cancer, neurodegenerative disorders, and inflammatory diseases were related to necroptosis. Furthermore, multiple chemical-induced cytotoxic effects, such as DNA damage, mitochondrial dysregulation, oxidative damage, lipid peroxidation, endoplasmic reticulum disruption, and inflammation are also associated with necroptosis. The main environmental exposures that are related to necroptosis are air pollutants (airborne particulate matter, cadmium, and hydrogen sulfide), nanoparticles (gold, silver, and silica), pesticides (endosulfan, cypermethrin, chlorpyrifos, and paraquat), and tobacco smoke. To sum up, air pollutants, pesticides, and nanoparticles could potentially affect human health via disruption of cell growth and induction of necroptosis. Understanding the exact molecular pathogenesis of these environmental chemicals needs further comprehensive research to provide innovative concepts for the prevention approaches and introduce novel targets for the amelioration of a range of human health problems.
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Affiliation(s)
- Mohammad-Reza Sepand
- Department of Toxicology and Pharmacology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Mehdi Aliomrani
- Department of Toxicology and Pharmacology and Isfahan Pharmaceutical Sciences Research Center, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences and Health Services, Isfahan, Iran
| | - Yazdan Hasani-Nourian
- Department of Toxicology and Pharmacology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad-Reza Khalhori
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mohammad-Hosein Farzaei
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Nima Sanadgol
- Department of Biology, Faculty of Sciences, University of Zabol, Zabol, Iran.
- Department of Biomolecular Sciences, School of Pharmaceutical Sciences, University of São Paulo, Ribeirão Preto, Brazil.
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Ibrahim M, Oldham D, Minghetti M. Role of metal speciation in the exposure medium on the toxicity, bioavailability and bio-reactivity of copper, silver, cadmium and zinc in the rainbow trout gut cell line (RTgutGC). Comp Biochem Physiol C Toxicol Pharmacol 2020; 236:108816. [PMID: 32502601 DOI: 10.1016/j.cbpc.2020.108816] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 05/24/2020] [Accepted: 05/29/2020] [Indexed: 12/15/2022]
Abstract
The role of metal speciation on metal bioavailability, bio-reactivity and toxicity at the fish intestine is poorly understood. To investigate these processes, we used an in vitro model of the rainbow trout (Oncorhynchus mykiss) intestine, the RTgutGC cell line. Cells were exposed to two essential metals (copper and zinc) and two non-essential metals (cadmium and silver) in a medium of well-defined composition, which allowed the determination of metal speciation in solution. Concentrations resulting in a 50% cell viability reduction (EC50) were measured using a viability assay based on two endpoints: metabolic activity and membrane integrity. Metal bioavailability and bio-reactivity was studied at non-toxic (300 nM all metals) and toxic (EC10; Ag-0.6, Cu-0.9, Cd-3, and Zn-9 μM) concentrations. Bioavailability (i.e. intracellular metal accumulation) was determined by ICP-MS, while bio-reactivity (i.e. induction of a metal specific transcriptional response) was determined by measuring the mRNA levels of a known biomarker of metal exposure (i.e. metallothionein) and of copper and zinc transporters (i.e. ATP7A and ZnT1). Dominant metal species in the exposure medium were Zn2+, CuHPO4, CdCl+, and AgCl2- respectively for Zn, Cu, Cd, and Ag. The EC50s showed the metal toxicity hierarchy: Ag > Cu > Cd > Zn. In RTgutGC cells, essential metal homeostasis was tightly regulated while non-essential metals accumulated more readily. Non-essential metals were also more bio-reactive inducing higher MT and ZnT1 mRNA levels. Taken together these findings indicate that metal toxicity in RTgutGC cannot solely be explained by extracellular metal speciation but requires the evaluation of metal bioavailability and bio-reactivity.
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Affiliation(s)
- Md Ibrahim
- Department of Integrative Biology, Oklahoma State University, Stillwater, OK, USA
| | - Dean Oldham
- Department of Integrative Biology, Oklahoma State University, Stillwater, OK, USA
| | - Matteo Minghetti
- Department of Integrative Biology, Oklahoma State University, Stillwater, OK, USA.
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Qiao XL, Liang QJ, Liu Y, Wang WN. A Novel Kelch-Like-1 Is Involved in Antioxidant Response by Regulating Antioxidant Enzyme System in Penaeus vannamei. Genes (Basel) 2020; 11:genes11091077. [PMID: 32942554 PMCID: PMC7564309 DOI: 10.3390/genes11091077] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 09/03/2020] [Accepted: 09/10/2020] [Indexed: 12/11/2022] Open
Abstract
Heavy metals are typical cumulative pollutants that can enter and poison the human body through the food chain. However, the molecular mechanism of heavy metal-induced oxidative stress is unclear. In this study, we characterize PvKelch-like-1 from P. vannamei and explore its antioxidant roles in immune regulation of crustaceans. PvKelch-like-1 full length contains 2107 nucleotides, consists of a 5′ untranslated region (UTR) of 79 bp, a 3′ UTR of 180 bp, and a ORF of 1848 encoded 615 amino acids, which contain a BTB, BACK and Kelch motif, putative molecular mass and isoelectric point were 69 KDa and 6.54. PvKelch-like-1 mRNA was ubiquitously expressed in all detected tissue of P. vannamei, and mRNA expression levels were significantly up-regulated from 6 to 24 h after cadmium stress and reached the highest level (3.2-fold) at 12 h in the hepatopancreas. Subcellular localization analysis revealed that PvKelch-like-1 was localized in the nucleus. Silencing PvKelch-like-1 significantly increased reactive oxygen species (ROS) (1.61-fold) production and DNA damage (1.32-fold) in the shrimp hemolymph, and significantly decreased total hemocyte counts (THC) (0.64-fold) at 6 h in hemolymph. Additionally, the antioxidant genes PvCAT (0.43-fold), PvMnSOD (0.72-fold), PvGST (0.31-fold) and PvGPx (0.59-fold) at 6 h were decreased significantly in PvKelch-like-1 silenced shrimp after cadmium stress. Overexpression of PvKelch-like-1 has the opposite results in enzyme activity. The SOD (2.44-fold) and CAT (2.19-fold) activities were significantly increased after overexpressing PvKelch-like-1. These results suggest that PvKelch-like-1 plays a vital role in shrimp innate immune defense by positively regulating the expression of antioxidant enzyme genes to respond to cadmium stress.
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Reyes-Becerril M, Angulo C, Sanchez V, Cuesta A, Cruz A. Methylmercury, cadmium and arsenic(III)-induced toxicity, oxidative stress and apoptosis in Pacific red snapper leukocytes. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2019; 213:105223. [PMID: 31207538 DOI: 10.1016/j.aquatox.2019.105223] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Revised: 06/10/2019] [Accepted: 06/11/2019] [Indexed: 06/09/2023]
Abstract
Methylmercury (MeHg), cadmium (Cd) and arsenic (As(III)) are among the most toxic metals in aquatic systems that have been associated with multiple animal and human health problems. This study investigated cytotoxic, oxidative stress, and apoptosis effects on fish leukocytes following their exposure to metals. A preliminary study indicated that leukocytes exposed to MeHg at a concentration of 0.01 mM, Cd at 0.05 mM, and As(III) at 2 mM showed a time-dependent cell viability reduction (around 40%), so they were selected for further experiments. To evaluate the effect of MeHg, Cd and As(III) on Pacific red snapper Lutjanus peru, we measured cytotoxicity, reactive oxygen species, antioxidant enzymes (superoxide dismutase (SOD), catalase (CAT)), nitric oxide production, apoptosis-related and immune-related genes on head-kidney and spleen leukocytes following exposure to MeHg (0.01 mM), Cd (0.05 mM) and As(III) (2 mM) for 30 min and 2 h. Reactive oxygen species (ROS) generation highly increased in time-dependent doses in head-kidney leukocytes compared with the control group. Regarding antioxidant activity, SOD increased significantly in leukocytes exposed to any heavy metals after two h. Expressly, CAT activity decreased in those leukocytes exposed to Cd and As(III). Apoptotic function genes (Casp-2, Casp-3, and Casp-7) strongly up-regulated after heavy metal exposure, but Cd was more toxic. Finally, granzyme A and perforin 1 strongly up-regulated in leukocytes exposed to MeHg and As(III) compared with the control group. Our data showed that MeHg, Cd, and As(III) might have been cytotoxic and induced oxidative stress and apoptosis with possible biological consequences in fish.
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Affiliation(s)
- Martha Reyes-Becerril
- Immunology & Vaccinology Group. Centro de Investigaciones Biológicas del Noroeste (CIBNOR), Av. Instituto Politécnico Nacional 195, Playa Palo de Santa Rita Sur, La Paz, B.C.S., 23096, Mexico.
| | - Carlos Angulo
- Immunology & Vaccinology Group. Centro de Investigaciones Biológicas del Noroeste (CIBNOR), Av. Instituto Politécnico Nacional 195, Playa Palo de Santa Rita Sur, La Paz, B.C.S., 23096, Mexico
| | - Veronica Sanchez
- Immunology & Vaccinology Group. Centro de Investigaciones Biológicas del Noroeste (CIBNOR), Av. Instituto Politécnico Nacional 195, Playa Palo de Santa Rita Sur, La Paz, B.C.S., 23096, Mexico
| | - Alberto Cuesta
- Fish Innate Immune System Group, Department of Cell Biology & Histology, Faculty of Biology, Regional Campus of International Excellence Campus Mare Nostrum, Universidad de Murcia, Spain
| | - Ariel Cruz
- Immunology & Vaccinology Group. Centro de Investigaciones Biológicas del Noroeste (CIBNOR), Av. Instituto Politécnico Nacional 195, Playa Palo de Santa Rita Sur, La Paz, B.C.S., 23096, Mexico
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Chi Q, Wang D, Hu X, Li S, Li S. Hydrogen Sulfide Gas Exposure Induces Necroptosis and Promotes Inflammation through the MAPK/NF- κB Pathway in Broiler Spleen. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:8061823. [PMID: 31467636 PMCID: PMC6701317 DOI: 10.1155/2019/8061823] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Revised: 03/28/2019] [Accepted: 06/03/2019] [Indexed: 12/20/2022]
Abstract
Hydrogen sulfide (H2S) is one of the main pollutants in the atmosphere, which is a serious threat to human health. The decomposition of sulfur-containing organics in chicken houses could produce a large amount of H2S, thereby damaging poultry health. In this study, one-day-old broilers were selected and exposed to 4 or 20 ppm of H2S gas (0-3 weeks: 4 ± 0.5 ppm, 4-6 weeks: 20 ± 0.5 ppm). The spleen samples were collected immediately after the chickens were euthanized at 2, 4, and 6 weeks. The histopathological and ultrastructural observations showed obvious necrosis characteristics of H2S-exposed spleens. H2S exposure suppressed GSH, CAT, T-AOC, and SOD activities; increased NO, H2O2, and MDA content and iNOS activity; and induced oxidative stress. ATPase activities and the expressions of energy metabolism-related genes were significantly decreased. Also, the expressions of related necroptosis (RIPK1, RIPK3, MLKL, TAK1, TAB2, and TAB3) were significantly increased, and the MAPK pathway was activated. Besides, H2S exposure activated the NF-κB classical pathway and induced TNF-α and IL-1β release. Taken together, we conclude that H2S exposure induces oxidative stress and energy metabolism dysfunction; evokes necroptosis; activates the MAPK pathway, eventually triggering the NF-κB pathway; and promotes inflammatory response in chicken spleens.
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Affiliation(s)
- Qianru Chi
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Dongxu Wang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Xueyuan Hu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Shiping Li
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Shu Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
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22
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Drp1 and RB interaction to mediate mitochondria-dependent necroptosis induced by cadmium in hepatocytes. Cell Death Dis 2019; 10:523. [PMID: 31285421 PMCID: PMC6614419 DOI: 10.1038/s41419-019-1730-y] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2018] [Revised: 06/04/2019] [Accepted: 06/07/2019] [Indexed: 12/22/2022]
Abstract
Mitochondrial quality control (MQC) is implicated in cell death induced by heavy metal pollutants. Dynamin-related protein 1 (Drp1) regulates mitochondrial fission, which is an important part of MQC. Retinoblastoma (RB) protein can regulate MQC in a transcription-independent manner. Necroptosis plays a critical role in hepatic pathologies such as inflammatory, infectious, and xenobiotics-induced injury and diseases. We aimed to explore the role and mechanism of Drp1 interaction with RB in hepatocyte's necroptosis caused by cadmium (Cd). CdCl2 was employed to expose to Institute of Cancer Research (ICR) mice and human hepatic L02 cells. CdCl2 exposure induced necroptosis and hepatic injury both in vivo and in vitro. Moreover, Drp1 and RB protein were up-regulated and translocated to mitochondria in CdCl2-exposed hepatocytes. Inhibition of Drp1 with siRNA (siDNM1L) or inhibitors not only suppressed the RB expression and its mitochondrial translocation, but also alleviated MQC disorder, necroptosis, and hepatotoxicity caused by CdCl2. Moreover, blocking Drp1 with metformin rescued necroptosis and hepatic injury triggered by CdCl2. RB was proved to directly interact with Drp1 at mitochondria to form a complex which then bound to receptor interaction protein kinase (RIPK3) and enhanced the formation of necrosome after CdCl2 exposure. In summary, we found a new molecular mechanism of regulated cell death that Drp1 interacted with RB and promoted them mitochondrial translocation to mediate necroptosis and hepatic injury in hepatocytes induced by Cd-exposure. The mitochondrial Drp1-RB axis would be a novel target for the protection cells from xenobiotics triggering hepatic injury and diseases involved in necroptosis.
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23
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Dabour K, Al Naggar Y, Masry S, Naiem E, Giesy JP. Cellular alterations in midgut cells of honey bee workers (Apis millefera L.) exposed to sublethal concentrations of CdO or PbO nanoparticles or their binary mixture. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 651:1356-1367. [PMID: 30360267 DOI: 10.1016/j.scitotenv.2018.09.311] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2018] [Revised: 09/19/2018] [Accepted: 09/24/2018] [Indexed: 06/08/2023]
Abstract
Beside many beneficial applications in industry, agriculture and medicine, nanoparticles (NPs) released into the environment might cause adverse effects. In the present study, effects of exposure to sublethal concentrations of PbO and CdO NPs, either separately or in combination on honey bee (A. mellifera) workers were assessed. Honey bee workers were fed sugar syrup contained (20% of LC50) of CdO (0.01 mg ml-1) and PbO (0.65 mg ml-1) NPs either separately or combined for nine days under laboratory conditions. Control bees were fed 1.5 M sucrose syrup without NPs. Effects on histological and cellular structure of mid gut cells were investigated using light and electron microscope. Percentages of incidence of apoptosis or/and necrosis in mid gut cells were also quantified by use of flow cytometry. Rapture of the peritrophic membrane (PM) was among the most observed histopathological alteration in bees fed sugar syrup contained CdO NPs separately or combined with PbO NPs. Common cytological alterations observed in epithelial cells were irregular distribution or/and condensation of nuclear chromatin, mitochondrial swelling and lysis, and rough endoplasmic reticulum (rER) dilation, fragmentation, and vesiculation and were quite similar in all treated groups compared to control. The greatest incidence (%) of necrosis was observed in bees fed the diet that contained CdO NPs alone. The greatest % of both apoptosis and necrosis was observed in bees fed sugar syrup spiked with sublethal concentrations of both metal oxide NPs. Joint action of the binary mixture of Cd and Pb oxide NPs on honey bees was concluded to be antagonistic. Collectively, exposure of honey bees to these metal oxide NPs even at sublethal concentrations will adversely affect viability of the colony and further studies are still required to determine the effects of these metal oxide NPs on behavior and pollination ecology of honeybees.
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Affiliation(s)
- Khaled Dabour
- Zoology Department, Faculty of Science, Tanta University, 31527 Tanta, Egypt
| | - Yahya Al Naggar
- Zoology Department, Faculty of Science, Tanta University, 31527 Tanta, Egypt; Centre of Integrative Bee Research (CIBER), Entomology Department, University of California at Riverside, Riverside, CA 92507, USA.
| | - Saad Masry
- Department of Plant Protection and Molecular Diagnosis, Arid Lands Cultivation, Research Institute, City of Scientific Research and Technological Applications (SRTA-City), 21934 Alexandria, Egypt
| | - Elsaied Naiem
- Zoology Department, Faculty of Science, Tanta University, 31527 Tanta, Egypt
| | - John P Giesy
- Department of Biomedical Veterinary Sciences and Toxicology Centre, University of Saskatchewan, Saskatoon, SKS7N 5B3, Canada
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24
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Mardones JI, Shabala L, Shabala S, Dorantes-Aranda JJ, Seger A, Hallegraeff GM. Fish gill damage by harmful microalgae newly explored by microelectrode ion flux estimation techniques. HARMFUL ALGAE 2018; 80:55-63. [PMID: 30502812 DOI: 10.1016/j.hal.2018.09.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Revised: 09/18/2018] [Accepted: 09/18/2018] [Indexed: 06/09/2023]
Abstract
Harmful algal blooms (HAB) are responsible for massive mortalities of wild and aquacultured fish due to noticeable gill damage, but the precise fish-killing mechanisms remain poorly understood. A non-invasive microelectrode ion flux estimation (MIFE) technique was successfully applied to assess changes in membrane-transport processes in a model fish gill cell line exposed to harmful microplankton. Net Ca2+, H+, K+ ion fluxes in the rainbow trout cell line RTgill-W1 were monitored before and after addition of lysed cells of this Paralytic Shellfish Toxins (PST) producer along with purified endocellular dinoflagellate PST. It was demonstrated that PST alone do not play a role in fish gill damage during A. catenella outbreaks as previously thought, but that other ichthyotoxic metabolites from lysed algal cells (i.e. lipid peroxidation products or other unknown metabolites) result in net K+ efflux from fish gill cells and thereby gill cell death.
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Affiliation(s)
- Jorge I Mardones
- Institute for Marine and Antarctic Studies (IMAS), University of Tasmania, Private Bag 129, Hobart, Tasmania 7001, Australia; Centro de Estudios de Algas Nocivas (CREAN), Instituto de Fomento Pesquero (IFOP), Puerto Montt, Chile.
| | - Lana Shabala
- School of Land and Food, University of Tasmania, Private Bag 54, Hobart, Tasmania 7001, Australia
| | - Sergey Shabala
- School of Land and Food, University of Tasmania, Private Bag 54, Hobart, Tasmania 7001, Australia
| | - Juan José Dorantes-Aranda
- Institute for Marine and Antarctic Studies (IMAS), University of Tasmania, Private Bag 129, Hobart, Tasmania 7001, Australia
| | - Andreas Seger
- Institute for Marine and Antarctic Studies (IMAS), University of Tasmania, Private Bag 129, Hobart, Tasmania 7001, Australia
| | - Gustaaf M Hallegraeff
- Institute for Marine and Antarctic Studies (IMAS), University of Tasmania, Private Bag 129, Hobart, Tasmania 7001, Australia
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25
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Englinger B, Pirker C, Heffeter P, Terenzi A, Kowol CR, Keppler BK, Berger W. Metal Drugs and the Anticancer Immune Response. Chem Rev 2018; 119:1519-1624. [DOI: 10.1021/acs.chemrev.8b00396] [Citation(s) in RCA: 174] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Bernhard Englinger
- Institute of Cancer Research and Comprehensive Cancer Center, Department of Medicine I, Medical University of Vienna, Borschkegasse 8a, A-1090 Vienna, Austria
| | - Christine Pirker
- Institute of Cancer Research and Comprehensive Cancer Center, Department of Medicine I, Medical University of Vienna, Borschkegasse 8a, A-1090 Vienna, Austria
| | - Petra Heffeter
- Institute of Cancer Research and Comprehensive Cancer Center, Department of Medicine I, Medical University of Vienna, Borschkegasse 8a, A-1090 Vienna, Austria
- Research Cluster “Translational Cancer Therapy Research”, University of Vienna and Medical University of Vienna, Vienna, Austria
| | - Alessio Terenzi
- Research Cluster “Translational Cancer Therapy Research”, University of Vienna and Medical University of Vienna, Vienna, Austria
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Strasse 42, A-1090 Vienna, Austria
| | - Christian R. Kowol
- Research Cluster “Translational Cancer Therapy Research”, University of Vienna and Medical University of Vienna, Vienna, Austria
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Strasse 42, A-1090 Vienna, Austria
| | - Bernhard K. Keppler
- Research Cluster “Translational Cancer Therapy Research”, University of Vienna and Medical University of Vienna, Vienna, Austria
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Strasse 42, A-1090 Vienna, Austria
| | - Walter Berger
- Institute of Cancer Research and Comprehensive Cancer Center, Department of Medicine I, Medical University of Vienna, Borschkegasse 8a, A-1090 Vienna, Austria
- Research Cluster “Translational Cancer Therapy Research”, University of Vienna and Medical University of Vienna, Vienna, Austria
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26
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Hamilton ME, Bols NC, Duncker BP. The characterization of γH2AX and p53 as biomarkers of genotoxic stress in a rainbow trout (Oncorhynchus mykiss) brain cell line. CHEMOSPHERE 2018; 201:850-858. [PMID: 29554631 DOI: 10.1016/j.chemosphere.2018.03.015] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 02/15/2018] [Accepted: 03/03/2018] [Indexed: 06/08/2023]
Abstract
Rainbow trout cell cultures were exposed to three genotoxicants and examined for effects on γH2AX and p53 levels by western blotting and on cell viability using the indicator dyes Alamar Blue (AB) for energy metabolism and 5'-carboxyfluorescein diacetate acetoxymethyl ester (CFDA-AM) for plasma membrane integrity. Bleomycin induced γH2AX and p53 in a dose- and time-dependent manner and had little cytotoxic effect. However, induction was first seen at 0.3 μM for γH2AX but not until 16.5 μM for p53. Methyl methanesulfonate (MMS) increased H2AX phosphorylation but diminished p53 levels as the dose was increased from 908 μM up to 2724 μM. Over this dose range cell viability was progressively lost. 4-nitroquinoline N-oxide (NQO) induced both γH2AX and p53, beginning at 62.5 nM, which was also the concentration at which cell viability began to decline. As the NQO concentration increased further, elevated γH2AX was detected at up to 2.0 μM, while p53 was elevated up to 1.0 μM. Therefore, H2AX phosphorylation was superior to p53 levels as a marker of DNA damage caused by genotoxicants that act by introducing double-stranded DNA breaks (bleomycin), alkyl groups (MMS), and quinoline adducts (NQO).
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Affiliation(s)
- Mark E Hamilton
- Department of Biology, University of Waterloo, Waterloo, ON N2L 3G1, Canada
| | - Niels C Bols
- Department of Biology, University of Waterloo, Waterloo, ON N2L 3G1, Canada
| | - Bernard P Duncker
- Department of Biology, University of Waterloo, Waterloo, ON N2L 3G1, Canada.
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27
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Langan LM, Arossa S, Owen SF, Jha AN. Assessing the impact of benzo[a]pyrene with the in vitro fish gut model: An integrated approach for eco-genotoxicological studies. MUTATION RESEARCH-GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2017; 826:53-64. [PMID: 29412870 DOI: 10.1016/j.mrgentox.2017.12.009] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2017] [Revised: 10/06/2017] [Accepted: 12/18/2017] [Indexed: 12/31/2022]
Abstract
In vitro models are emerging tools for reducing reliance on traditional toxicity tests, especially in areas where information is sparse. For studies of fish, this is especially important for extrahepatic organs, such as the intestine, which, until recently, have been largely overlooked in favour of the liver or gill. Considering the importance of dietary uptake of contaminants, the rainbow trout (Oncorhynchus mykiss) intestine-derived cell line RTgutGC was cultured, to test its suitability as a high-throughput in vitro model. Benzo[a]pyrene (B[a]P) is an important contaminant and a model polycyclic aromatic hydrocarbon (PAH). Over 48 h exposure, a range of endpoints and xenobiotic metabolism rates were examined at three different pH levels indicative of the in vitro (pH 7.5) and in vivo mid-gut (pH 7.7) and hind-gut (pH 7.4) regions as a function of time. These endpoints included (i) cell viability: acid phosphatase (APH) and lactate dehydrogenase (LDH) assays; (ii) glucose uptake; (iii) cytochrome P450 enzyme activity: 7-ethoxyresoorufin-O-deethylase (EROD) assay; (iv) glutathione transferase (GST) activity; (v) genotoxic damage determined using the comet assay. Absence of cell viability loss, in parallel with decrease in the parent compound (B[a]P) in the medium and its subsequent increase in the cells suggested active sequestration, biotransformation, and removal of this representative PAH. With respect to genotoxic response, significant differences were observed at both the sampling times and the two highest concentrations of B[a]P. No significant differences were observed for the different pH conditions. Overall, this in vitro xenobiotic metabolism system appears to be a robust model, providing a basis for further development to evaluate metabolic and toxicological potential of contaminants without use of animals.
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Affiliation(s)
- Laura M Langan
- School of Biological and Marine Sciences, University of Plymouth, Plymouth, PL4 8AA, UK
| | - Silvia Arossa
- School of Biological and Marine Sciences, University of Plymouth, Plymouth, PL4 8AA, UK
| | - Stewart F Owen
- AstraZeneca, Alderley Park, Macclesfield, Cheshire, SK10 4TF, UK
| | - Awadhesh N Jha
- School of Biological and Marine Sciences, University of Plymouth, Plymouth, PL4 8AA, UK.
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28
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Zhang J, Zhou X, Wu W, Wang J, Xie H, Wu Z. Regeneration of glutathione by α-lipoic acid via Nrf2/ARE signaling pathway alleviates cadmium-induced HepG2 cell toxicity. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2017; 51:30-37. [PMID: 28262510 DOI: 10.1016/j.etap.2017.02.022] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2016] [Revised: 02/22/2017] [Accepted: 02/26/2017] [Indexed: 06/06/2023]
Abstract
Alpha-lipoic acid (α-LA) is an important antioxidant that is capable of regenerating other antioxidants, such as glutathione (GSH). However, the underlying molecular mechanism by which α-LA regenerates GSH remains poorly understood. The current study aimed to investigate whether α-LA regenerates GSH by activation of Nrf2 to alleviate cadmium-induced cytotoxicity in HepG2 cells. In the present study, we found that cadmium induced cell death by depletion of GSH through inactivation of Nrf2. Addition of α-LA to cadmium-treated cells reactivated Nrf2 and regenerated GSH through elevating the Nrf2-downstream genes γ-glutamate-cysteine ligase (γ-GCL) and GR, both of which are key enzymes for GSH synthesis. However, blocking Nrf2 with brusatol in the cells co-treated with α-LA and cadmium reduced the mRNA and the protein levels of γ-GCL and GR, thus suppressed GSH regeneration by α-LA. Our results indicated that α-LA activated Nrf2 signaling pathway, which upregulated the transcription of the enzymes for GSH synthesis and therefore GSH contents to alleviate cadmium-induced cytotoxicity in HepG2 cells.
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Affiliation(s)
- Jiayu Zhang
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, PR China; Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, PR China
| | - Xue Zhou
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, PR China; Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, PR China
| | - Wenbo Wu
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, PR China; Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, PR China
| | - Jiachun Wang
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, PR China; Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, PR China
| | - Hong Xie
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, PR China; Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, PR China
| | - Zhigang Wu
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, PR China; Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, PR China.
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29
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Arora D, Sharma PK, Siddiqui MH, Shukla Y. Necroptosis: Modules and molecular switches with therapeutic implications. Biochimie 2017; 137:35-45. [PMID: 28263777 DOI: 10.1016/j.biochi.2017.02.015] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2016] [Revised: 02/07/2017] [Accepted: 02/27/2017] [Indexed: 12/24/2022]
Abstract
Among the various programmed cell death (PCD) pathways, "Necroptosis" has gained much importance as a novel paradigm of cell death. This pathway has emerged as a backup mechanism when physiologically conserved PCD (apoptosis) is non-functional either genetically or pathogenically. The expanding spectrum of necroptosis from physiological development to diverse patho-physiological disorders, including xenobiotics-mediated toxicity has now grabbed the attention worldwide. The efficient role of necroptosis regulators in disease development and management are under constant examination. In fact, few regulators (e.g. MLKL) have already paved their way towards clinical trials and others are in queue. In this review, emphasis has been paid to the various contributing factors and molecular switches that can regulate necroptosis. Here we linked the overview of current knowledge of this enigmatic signaling with magnitude of therapeutics that may underpin the opportunities for novel therapeutic approaches to suppress the pathogenesis of necroptosis-driven disorders.
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Affiliation(s)
- Deepika Arora
- Environmental Carcinogenesis & Proteomics Laboratory, Food, Drug & Chemical Toxicology Group, VishvigyanBhawan 31, Mahatma Gandhi Marg, Lucknow, 226001, Uttar Pradesh, India; Department of Bioengineering, Faculty of Engineering, Integral University, Lucknow, 226026, Uttar Pradesh, India
| | - Pradeep Kumar Sharma
- Environmental Carcinogenesis & Proteomics Laboratory, Food, Drug & Chemical Toxicology Group, VishvigyanBhawan 31, Mahatma Gandhi Marg, Lucknow, 226001, Uttar Pradesh, India
| | - Mohammed Haris Siddiqui
- Department of Bioengineering, Faculty of Engineering, Integral University, Lucknow, 226026, Uttar Pradesh, India
| | - Yogeshwer Shukla
- Environmental Carcinogenesis & Proteomics Laboratory, Food, Drug & Chemical Toxicology Group, VishvigyanBhawan 31, Mahatma Gandhi Marg, Lucknow, 226001, Uttar Pradesh, India.
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30
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Cai J, Zhang Y, Yang J, Liu Q, Zhao R, Hamid S, Wang H, Xu S, Zhang Z. Antagonistic effects of selenium against necroptosis injury via adiponectin-necrotic pathway induced by cadmium in heart of chicken. RSC Adv 2017. [DOI: 10.1039/c7ra07952d] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
Cadmium (Cd) is one of the most toxic heavy metals having a destructive impact on various organ systems.
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Affiliation(s)
- Jingzeng Cai
- College of Veterinary Medicine
- Northeast Agricultural University
- Harbin 150030
- P. R. China
| | - Yuan Zhang
- College of Veterinary Medicine
- Northeast Agricultural University
- Harbin 150030
- P. R. China
| | - Jie Yang
- College of Veterinary Medicine
- Northeast Agricultural University
- Harbin 150030
- P. R. China
| | - Qi Liu
- College of Veterinary Medicine
- Northeast Agricultural University
- Harbin 150030
- P. R. China
| | - Rihong Zhao
- College of Veterinary Medicine
- Northeast Agricultural University
- Harbin 150030
- P. R. China
| | - Sattar Hamid
- College of Veterinary Medicine
- Northeast Agricultural University
- Harbin 150030
- P. R. China
| | - Hong Wang
- College of Veterinary Medicine
- Northeast Agricultural University
- Harbin 150030
- P. R. China
| | - Shiwen Xu
- College of Veterinary Medicine
- Northeast Agricultural University
- Harbin 150030
- P. R. China
| | - Ziwei Zhang
- College of Veterinary Medicine
- Northeast Agricultural University
- Harbin 150030
- P. R. China
- Key Laboratory of the Provincial Education Department of Heilongjiang for Common Animal Disease Prevention and Treatment
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31
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Morcillo P, Esteban MÁ, Cuesta A. Heavy metals produce toxicity, oxidative stress and apoptosis in the marine teleost fish SAF-1 cell line. CHEMOSPHERE 2016; 144:225-33. [PMID: 26363324 DOI: 10.1016/j.chemosphere.2015.08.020] [Citation(s) in RCA: 140] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2015] [Revised: 07/17/2015] [Accepted: 08/02/2015] [Indexed: 05/14/2023]
Abstract
The use of cell lines to test the toxicity of aquatic pollutants is a valuable alternative to fish bioassays. In this study, fibroblast SAF-1 cells from the marine gilthead seabream (Sparus aurata L.) were exposed for 24 h to the heavy metals Cd, Hg, MeHg (Methylmercury), As or Pb and the resulting cytotoxicity was assessed. Neutral red (NR), MTT-tetrazolio (MTT), crystal violet (CV) and lactate dehydrogenase (LDH) viability tests showed that SAF-1 cells exposed to the above heavy metals produced a dose-dependent reduction in the number of viable cells. Methylmercury showed the highest toxicity (EC50 = 0.01 mM) followed by As, Cd, Hg and Pb. NR was the most sensitive method followed by MTT, CV and LDH. SAF-1 cells incubated with each of the heavy metals also exhibited an increase in the production of reactive oxygen species and apoptosis cell death. Moreover, the corresponding gene expression profiles pointed to the induction of the metallothionein protective system, cellular and oxidative stress and apoptosis after heavy metal exposure for 24 h. This report describes and compares tools for evaluating the potential effects of marine contamination using the SAF-1 cell line.
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Affiliation(s)
- Patricia Morcillo
- Fish Innate Immune System Group, Department of Cellular Biology and Histology, Faculty of Biology, Campus Regional de Excelencia Internacional "Campus Mare Nostrum", University of Murcia, 30100 Murcia, Spain
| | - María Á Esteban
- Fish Innate Immune System Group, Department of Cellular Biology and Histology, Faculty of Biology, Campus Regional de Excelencia Internacional "Campus Mare Nostrum", University of Murcia, 30100 Murcia, Spain
| | - Alberto Cuesta
- Fish Innate Immune System Group, Department of Cellular Biology and Histology, Faculty of Biology, Campus Regional de Excelencia Internacional "Campus Mare Nostrum", University of Murcia, 30100 Murcia, Spain.
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32
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Toxicological in vitro effects of heavy metals on gilthead seabream (Sparus aurata L.) head–kidney leucocytes. Toxicol In Vitro 2015; 30:412-20. [DOI: 10.1016/j.tiv.2015.09.021] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2015] [Revised: 09/14/2015] [Accepted: 09/17/2015] [Indexed: 11/17/2022]
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33
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Morcillo P, Cordero H, Meseguer J, Esteban MÁ, Cuesta A. In vitro immunotoxicological effects of heavy metals on European sea bass (Dicentrarchus labrax L.) head-kidney leucocytes. FISH & SHELLFISH IMMUNOLOGY 2015; 47:245-254. [PMID: 26363228 DOI: 10.1016/j.fsi.2015.09.011] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2015] [Revised: 09/03/2015] [Accepted: 09/03/2015] [Indexed: 06/05/2023]
Abstract
The knowledge about the direct effects of heavy metals on fish leucocytes is still limited. We investigate the in vitro effects of heavy metals (Cd, Hg, Pb or As) on oxidative stress, viability and innate immune parameters of head-kidney leucocytes (HKLs) from European sea bass (Dicentrarchus labrax). Production of free oxygen radicals was induced by Cd, Hg and As, mainly after 30 min of exposure. Cd and Hg promoted both apoptosis and necrosis cell death while Pb and As did only apoptosis, in all cases in a concentration-dependent manner. Moreover, expression of genes related to oxidative stress and apoptosis was significantly induced by Hg and Pb but down-regulated by As. In addition, the expression of the metallothionein A gene was up-regulated by Cd and Pb exposure though this transcript, as well as the heat shock protein 70, was down-regulated by Hg. Cd, methylmercury (MeHg) and As reduced the phagocytic ability, whereas Hg and Pb increased it. Interestingly, all the heavy metals decreased the phagocytic capacity (the number of ingested particles per cell). Leucocyte respiratory burst changed depending on the metal exposure, usually in a time- and dose-manner. Interestingly, the expression of immune-related genes was slightly affected by Cd, MeHg, As or Pb being Hg the form producing the greatest alterations, which included down-regulation of immunoglobulin M and hepcidin, as well as the up-regulation of interleukin-1 beta mRNA levels. This study provides an in vitro approach for elucidating the heavy metals toxicity, and particularly the immunotoxicity, in fish leucocytes.
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Affiliation(s)
- Patricia Morcillo
- Fish Innate Immune System Group, Department of Cell Biology and Histology, Faculty of Biology, Campus Regional de Excelencia Internacional "Campus Mare Nostrum", University of Murcia, 30100 Murcia, Spain
| | - Héctor Cordero
- Fish Innate Immune System Group, Department of Cell Biology and Histology, Faculty of Biology, Campus Regional de Excelencia Internacional "Campus Mare Nostrum", University of Murcia, 30100 Murcia, Spain
| | - José Meseguer
- Fish Innate Immune System Group, Department of Cell Biology and Histology, Faculty of Biology, Campus Regional de Excelencia Internacional "Campus Mare Nostrum", University of Murcia, 30100 Murcia, Spain
| | - M Ángeles Esteban
- Fish Innate Immune System Group, Department of Cell Biology and Histology, Faculty of Biology, Campus Regional de Excelencia Internacional "Campus Mare Nostrum", University of Murcia, 30100 Murcia, Spain
| | - Alberto Cuesta
- Fish Innate Immune System Group, Department of Cell Biology and Histology, Faculty of Biology, Campus Regional de Excelencia Internacional "Campus Mare Nostrum", University of Murcia, 30100 Murcia, Spain.
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Aki T, Funakoshi T, Uemura K. Regulated necrosis and its implications in toxicology. Toxicology 2015; 333:118-126. [DOI: 10.1016/j.tox.2015.04.003] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2015] [Revised: 03/30/2015] [Accepted: 04/07/2015] [Indexed: 02/07/2023]
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Peng T, Wang WN, Gu MM, Xie CY, Xiao YC, Liu Y, Wang L. Essential roles of Cdc42 and MAPK in cadmium-induced apoptosis in Litopenaeus vannamei. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2015; 163:89-96. [PMID: 25863597 DOI: 10.1016/j.aquatox.2015.03.023] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2015] [Revised: 03/28/2015] [Accepted: 03/30/2015] [Indexed: 06/04/2023]
Abstract
Cadmium, one of the most toxic heavy metals in aquatic environments, has severe effects on marine invertebrates and fishes. The MAPK signaling pathway plays a vital role in stress responses of animals. The mitogen-activated protein kinase (MAPK) signaling pathway plays a vital role in animals' stress responses, including mediation of apoptosis induced by the Rho GTPase Cdc42. However, there is limited knowledge about its function in shrimps, although disorders exacerbated by environmental stresses (including heavy metal pollution) have caused serious mortality in commercially cultured shrimps. Thus, we probed roles of Cdc42 in Litopenaeus vannamei shrimps (LvCdc42) during cadmium exposure by inhibiting its expression using dsRNA-mediated RNA interference. The treatment successfully reduced expression levels of MAPKs (including p38, JNK, and ERK). Cadmium exposure induced significant increases in expression levels of LvCdc42 and MAPKs, accompanied by reductions in total hemocyte counts (THC) and increases in apoptotic hemocyte ratios and ROS production. However, all of these responses were much weaker in LvCdc42-suppressed shrimps, in which mortality rates were higher than in controls. Our results suggest that the MAPK pathway plays a vital role in shrimps' responses to Cd(2+). They also indicate that LvCdc42 in shrimps participates in its regulation, and thus plays key roles in ROS production, regulation of apoptosis and associated stress responses.
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Affiliation(s)
- Ting Peng
- Key Laboratory of Ecology and Environmental Science in Guangdong Higher Education, Guangdong Provincial Key Laboratory for Healthy and Safe Aquaculture, College of Life Science, South China Normal University, Guangzhou 510631, PR China
| | - Wei-Na Wang
- Key Laboratory of Ecology and Environmental Science in Guangdong Higher Education, Guangdong Provincial Key Laboratory for Healthy and Safe Aquaculture, College of Life Science, South China Normal University, Guangzhou 510631, PR China.
| | - Mei-Mei Gu
- Key Laboratory of Ecology and Environmental Science in Guangdong Higher Education, Guangdong Provincial Key Laboratory for Healthy and Safe Aquaculture, College of Life Science, South China Normal University, Guangzhou 510631, PR China
| | - Chen-Ying Xie
- Key Laboratory of Ecology and Environmental Science in Guangdong Higher Education, Guangdong Provincial Key Laboratory for Healthy and Safe Aquaculture, College of Life Science, South China Normal University, Guangzhou 510631, PR China
| | - Yu-Chao Xiao
- Key Laboratory of Ecology and Environmental Science in Guangdong Higher Education, Guangdong Provincial Key Laboratory for Healthy and Safe Aquaculture, College of Life Science, South China Normal University, Guangzhou 510631, PR China
| | - Yuan Liu
- Key Laboratory of Ecology and Environmental Science in Guangdong Higher Education, Guangdong Provincial Key Laboratory for Healthy and Safe Aquaculture, College of Life Science, South China Normal University, Guangzhou 510631, PR China
| | - Lei Wang
- Key Laboratory of Ecology and Environmental Science in Guangdong Higher Education, Guangdong Provincial Key Laboratory for Healthy and Safe Aquaculture, College of Life Science, South China Normal University, Guangzhou 510631, PR China
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Jiang WD, Liu Y, Jiang J, Wu P, Feng L, Zhou XQ. Copper exposure induces toxicity to the antioxidant system via the destruction of Nrf2/ARE signaling and caspase-3-regulated DNA damage in fish muscle: amelioration by myo-inositol. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2015; 159:245-255. [PMID: 25562835 DOI: 10.1016/j.aquatox.2014.12.020] [Citation(s) in RCA: 104] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2014] [Revised: 12/22/2014] [Accepted: 12/24/2014] [Indexed: 06/04/2023]
Abstract
The muscle is the main portion of fish that is consumed by humans. Copper (Cu) can induce oxidative damage in fish muscle. However, the effects of Cu exposure on the muscle antioxidant system and molecular patterns and preventive measures against these effects remain unclear. In this study, ROS production, enzymatic and mRNA levels of antioxidant enzymes and NF-E2-related factor 2 (Nrf2) signaling-related molecules, antioxidant response element (ARE) binding ability, DNA fragmentation and caspase-3 activities were analyzed in fish muscle following Cu exposure or myo-inositol (MI) pre-administration. The results indicated that contamination due to copper exposure caused an approximately three-fold increase in ROS production, induced lipid peroxidation and protein oxidation, and resulted in depletion of the glutathione (GSH) content of fish muscle. Moreover, Cu exposure caused decreases in the activities of total superoxide dismutase (T-SOD), CuZnSOD, and glutathione peroxidase (GPx) that were accompanied by decreases in CuZnSOD, GPx1a, GPx1b and signaling factor protein kinase C delta mRNA levels. The decreases in the antioxidant enzyme gene mRNA levels were confirmed to be partly due to the reduced nuclear Nrf2 protein levels, poor ARE binding ability and increased caspase-3 signaling-modulated DNA fragmentation in the fish muscle. Interestingly, MI pre-treatment prevented fish muscle from Cu-induced oxidative damages mainly through increasing the GSH content, and increasing the CuZnSOD and GPx activities and corresponding mRNA levels and ARE binding ability. Taken together, our results show for the first time that Cu exposure caused oxidative damage to the muscle by decreasing the antioxidant enzyme activities via the down-regulation of the expression of genes related to the disruption of the Nrf2/ARE signaling, and this down-regulation was partially caused by caspase-3-regulated DNA fragmentation. Finally, MI protects fish against Cu toxicity.
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Affiliation(s)
- Wei-Dan Jiang
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, Sichuan, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, Sichuan, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu 611130, Sichuan, China
| | - Yang Liu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, Sichuan, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, Sichuan, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu 611130, Sichuan, China
| | - Jun Jiang
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, Sichuan, China
| | - Pei Wu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, Sichuan, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, Sichuan, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu 611130, Sichuan, China
| | - Lin Feng
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, Sichuan, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, Sichuan, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu 611130, Sichuan, China.
| | - Xiao-Qiu Zhou
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, Sichuan, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, Sichuan, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu 611130, Sichuan, China.
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Chen YY, Zhu JY, Chan KM. Effects of cadmium on cell proliferation, apoptosis, and proto-oncogene expression in zebrafish liver cells. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2014; 157:196-206. [PMID: 25456234 DOI: 10.1016/j.aquatox.2014.10.018] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2014] [Revised: 10/20/2014] [Accepted: 10/21/2014] [Indexed: 06/04/2023]
Abstract
Cadmium (Cd) is one of the major transitional metal that has toxic effects in aquatic organisms and their associated ecosystem; however, its hepatic toxicity and carcinogenicity are not very well characterized. We used a zebrafish liver (ZFL) cell line as a model to investigate the mechanism of Cd-induced toxicity on hepatocytes. Our results showed that Cd can be effectively accumulated in ZFL cells in our exposure experiments. Cell cytotoxicity assays and flow cytometer measurements revealed that Cd(2+) stimulated ZFL cell proliferation with decreasing apoptotic cell numbers indicating potentially tumorigenic effects of Cd in ZFL cells. Gene expression profiles also indicated that Cd downregulated oncogenes p53 and rad51 and upregulated immediate response oncogenes, growth arrest and DNA damage-inducible (gadd45) genes, and growth factors. We also found dramatic changes in the gene expression of c-jun and igf1rb at different exposure time points, supporting the notion that potentially tumorigenic of Cd-is involved in the activation of immediate early genes or genes related to apoptosis in cancer promotion.
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Affiliation(s)
- Ying Ying Chen
- School of Life Sciences, Chinese University, Sha Tin, N.T., Hong Kong SAR, China
| | - Jin Yong Zhu
- School of Life Sciences, Chinese University, Sha Tin, N.T., Hong Kong SAR, China
| | - King Ming Chan
- School of Life Sciences, Chinese University, Sha Tin, N.T., Hong Kong SAR, China.
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Affiliation(s)
- Sarmishtha Chatterjee
- Environmental Toxicology
Laboratory, Department of Zoology, Centre for Advanced Studies, Visva-Bharati University, Santiniketan 731235, West Bengal, India
| | - Shuvasree Sarkar
- Environmental Toxicology
Laboratory, Department of Zoology, Centre for Advanced Studies, Visva-Bharati University, Santiniketan 731235, West Bengal, India
| | - Shelley Bhattacharya
- Environmental Toxicology
Laboratory, Department of Zoology, Centre for Advanced Studies, Visva-Bharati University, Santiniketan 731235, West Bengal, India
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Wang B, Xiao JL, Ling YH, Meng XJ, Wu B, Yang XY, Zou F. BNIP3 upregulation by ERK and JNK mediates cadmium-induced necrosis in neuronal cells. Toxicol Sci 2014; 140:393-402. [PMID: 24824807 DOI: 10.1093/toxsci/kfu091] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Cadmium (Cd) is a toxic heavy metal that may cause neurological disorders. We studied the mechanism underlying Cd-mediated cell death in neuronal cells. In Cd-induced neurotoxicity, caspase-3 was only modestly activated, and accordingly, zVAD-fmk, a pan-caspase inhibitor, partially attenuated cell death. However, pretreatment with Necrox-2 or Necrox-5, two novel necrosis inhibitors, suppressed cell death more markedly compared with pretreatment with zVAD-fmk. Moreover, the necrosis inhibitors did not prevent cleavage of caspase-3. These results indicate that caspase-independent necrosis is more prevalent in Cd-induced neurotoxicity. Bcl-2 and adenovirus E1B-19 kDa-interacting protein 3 (BNIP3) has been reported to be related to caspase-independent cell death. Cd treatment caused a dramatic upregulation of BNIP3 mRNA and protein levels in vitro and in vivo. Furthermore, knockdown of BNIP3 greatly inhibited Cd-induced cell death. Importantly, BNIP3 RNAi decreased lactate dehydrogenase release and the percentage of propidium iodide-positive cells, two markers of necrotic cell death due to rupture of the cell membrane, whereas it had no effect on activation of caspase-3 in Cd-treated cells. These data suggest that BNIP3 mediates caspase-independent necrosis, but not apoptosis. Moreover, our results indicate that induction of BNIP3 by Cd may not be related to HIF-1 which is generally regarded as a mediator responsible for BNIP3 expression. Finally, we show that mitogen-activated protein kinases (MAPKs) are activated by Cd in vitro and in vivo; ERK and JNK promote BNIP3 upregulation and subsequent necrosis. Taken together, our results suggest BNIP3, upregulated by activation of ERK and JNK, mediates Cd-induced necrosis in neuronal cells.
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Affiliation(s)
- Bin Wang
- Department of Occupational Heath and Occupational Medicine, School of Public Health and Tropical Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Jia-Li Xiao
- Department of Occupational Heath and Occupational Medicine, School of Public Health and Tropical Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Yi-Hui Ling
- Department of Occupational Heath and Occupational Medicine, School of Public Health and Tropical Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Xiao-Jing Meng
- Department of Occupational Heath and Occupational Medicine, School of Public Health and Tropical Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Bing Wu
- Department of Occupational Heath and Occupational Medicine, School of Public Health and Tropical Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Xin-Yi Yang
- Department of Occupational Heath and Occupational Medicine, School of Public Health and Tropical Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Fei Zou
- Department of Occupational Heath and Occupational Medicine, School of Public Health and Tropical Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China
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40
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Chemical regulation of signaling pathways to programmed necrosis. Arch Pharm Res 2014; 37:689-97. [DOI: 10.1007/s12272-014-0385-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2014] [Accepted: 03/31/2014] [Indexed: 11/27/2022]
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CHO YOUNGSIK. Perspectives on the therapeutic modulation of an alternative cell death, programmed necrosis (Review). Int J Mol Med 2014; 33:1401-6. [DOI: 10.3892/ijmm.2014.1716] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2013] [Accepted: 03/21/2014] [Indexed: 11/05/2022] Open
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Abstract
Necroptosis is a physiologically relevant mode of cell death with some well-described initiating events, but largely unknown executioners. Here we investigated necrostatin-1 (Nec-1) sensitive death elicited by different necroptosis stimuli in L929 mouse fibrosarcoma cells, mouse embryonic fibroblasts (MEF) and bone marrow-derived macrophages. We found that TNFα- or zVAD-induced necroptosis occurs independently of the recently implicated executioners Bmf or PARP-2, but can involve the Bcl-2 family proteins Bid and Bak. Furthermore, this type of necroptosis is associated with mitochondrial cytochrome c release and partly sensitive to cyclosporine A inhibition, suggesting a cross talk with the mitochondrial permeability transition pore. Necroptosis triggered by cadmium (Cd) exposure caused fully Nec-1-sensitive and caspase-independent death in L929 cells that was associated with autocrine TNFα-mediated feed-forward signalling. In MEF Cd-exposure elicited a mixed mode of cell death that was to some extent Nec-1-sensitive but also displayed features of apoptosis. It was partly dependent on Bmf and Bax/Bak, proteins typically considered to act pro-apoptotic, but ultimately insensitive to caspase inhibition. Overall, our study indicates that inducers of "extrinsic" and "intrinsic" necroptosis can both trigger TNF-receptor signalling. Further, necroptosis may depend on mitochondrial changes engaging proteins considered critical for MOMP during apoptosis that ultimately contribute to caspase-independent necrotic cell death.
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Gao D, Xu Z, Qiao P, Liu S, Zhang L, He P, Zhang X, Wang Y, Min W. Cadmium induces liver cell apoptosis through caspase-3A activation in purse red common carp (Cyprinus carpio). PLoS One 2013; 8:e83423. [PMID: 24349509 PMCID: PMC3861504 DOI: 10.1371/journal.pone.0083423] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2013] [Accepted: 11/03/2013] [Indexed: 12/16/2022] Open
Abstract
Caspase-3, the essential effector caspase, plays a pivotal role during caspase-dependent apoptosis. In this study, we isolated and characterized caspase-3A gene from common carp. The common carp caspase-3A comprising 273 amino acids showed 71.8% sequence similarity and 59.3% sequence identity to human caspase-3. It exhibited an evolutionarily conserved structure of mammalian caspase-3 genes, including a pro-domain, a large subunit, a small subunit and other motifs such as the pentapeptide active-site motif (QACRG) and the putative cleavage sites at the aspartic acids. Phylogenetic analysis demonstrated that common carp caspase-3A formed a clade with cyprinid fish caspase-3. To assess whether caspase-3A is involved in cadmium (Cd)-induced cell apoptosis in common carp, a Cd exposure experiment was performed. TUNEL analysis showed that Cd triggered liver cell apoptosis; caspase-3A activity was markedly increased; its proenzyme level was significantly decreased, and the levels of its cleaved forms were markedly increased. However, real-time quantitative PCR analysis revealed that the mRNA transcript level of caspase-3A was not significantly elevated. Immunoreactivities were observed in the cytoplasm of hepatocytes by immunohistochemical detection. The findings indicates that Cd can trigger liver cell apoptosis through the activation of caspase-3A. Caspase-3A may play an essential role in Cd-induced apoptosis.
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Affiliation(s)
- Dian Gao
- Medical College of Nanchang University, Nanchang, PR China
- Institute of Immunotherapy, Nanchang University, Nanchang, PR China
| | - Zhen’e Xu
- Medical College of Nanchang University, Nanchang, PR China
- Institute of Immunotherapy, Nanchang University, Nanchang, PR China
| | - Panpan Qiao
- Medical College of Nanchang University, Nanchang, PR China
| | - Shen Liu
- Medical College of Nanchang University, Nanchang, PR China
| | - Li Zhang
- Medical College of Nanchang University, Nanchang, PR China
| | - Penghui He
- Medical College of Nanchang University, Nanchang, PR China
| | - Xiaoyan Zhang
- Medical College of Nanchang University, Nanchang, PR China
| | - Yannan Wang
- Medical College of Nanchang University, Nanchang, PR China
| | - Weiping Min
- Medical College of Nanchang University, Nanchang, PR China
- Institute of Immunotherapy, Nanchang University, Nanchang, PR China
- Jiangxi Academy of Medical Sciences, Nanchang, PR China
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Gao D, Xu Z, Zhang X, Wang H, Wang Y, Min W. Molecular cloning, immunohistochemical localization, characterization and expression analysis of caspase-9 from the purse red common carp (Cyprinus carpio) exposed to cadmium. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2013; 142-143:53-62. [PMID: 23958785 DOI: 10.1016/j.aquatox.2013.07.017] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2013] [Revised: 07/20/2013] [Accepted: 07/24/2013] [Indexed: 06/02/2023]
Abstract
Caspase-9, the essential initiator caspase is believed to play a central role in mitochondria-mediated apoptosis signaling. In this study, we isolated the caspase-9 gene from common carp, one of the most important industrial aquatic animals in China using rapid amplification of cDNA ends (RACE). The deduced amino acid sequence of caspase-9, composed of 436 amino acids, showed approximately 47.6% identity and 64.7% similarity to human caspase-9. It also possessed a conserved caspase-associated recruitment domain (CARD), a large subunit and a small subunit. Phylogenetic analysis clearly demonstrated that caspase-9 formed a clade with cyprinid fish caspase-9. Real-time quantitative PCR analysis revealed that caspase-9 transcripts were not significantly increased in kidney after exposure to cadmium (Cd). Whereas caspase-9 cleaved fragments were detected using Western blot analysis with the same Cd treatment condition. Furthermore, the result of immunohistochemical detection showed immunoreactivities were predominantly limited to the cytoplasm of renal tubular epithelial cells and no remarkable changes of immunopositive staining were observed after Cd treatment. Accordingly, the results signify that caspase-9 may play an essential role in Cd induced apoptosis.
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Affiliation(s)
- Dian Gao
- Medical College of Nanchang University, Nanchang 330006, PR China; Institute of Immunotherapy, Nanchang University, Nanchang 330006, PR China
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Yuan Y, Jiang CY, Xu H, Sun Y, Hu FF, Bian JC, Liu XZ, Gu JH, Liu ZP. Cadmium-induced apoptosis in primary rat cerebral cortical neurons culture is mediated by a calcium signaling pathway. PLoS One 2013; 8:e64330. [PMID: 23741317 PMCID: PMC3669330 DOI: 10.1371/journal.pone.0064330] [Citation(s) in RCA: 118] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2013] [Accepted: 04/11/2013] [Indexed: 11/20/2022] Open
Abstract
Cadmium (Cd) is an extremely toxic metal, capable of severely damaging several organs, including the brain. Studies have shown that Cd disrupts intracellular free calcium ([Ca2+]i) homeostasis, leading to apoptosis in a variety of cells including primary murine neurons. Calcium is a ubiquitous intracellular ion which acts as a signaling mediator in numerous cellular processes including cell proliferation, differentiation, and survival/death. However, little is known about the role of calcium signaling in Cd-induced apoptosis in neuronal cells. Thus we investigated the role of calcium signaling in Cd-induced apoptosis in primary rat cerebral cortical neurons. Consistent with known toxic properties of Cd, exposure of cerebral cortical neurons to Cd caused morphological changes indicative of apoptosis and cell death. It also induced elevation of [Ca2+]i and inhibition of Na+/K+-ATPase and Ca2+/Mg2+-ATPase activities. This Cd-induced elevation of [Ca2+]i was suppressed by an IP3R inhibitor, 2-APB, suggesting that ER-regulated Ca2+ is involved. In addition, we observed elevation of reactive oxygen species (ROS) levels, dysfunction of cytochrome oxidase subunits (COX-I/II/III), depletion of mitochondrial membrane potential (ΔΨm), and cleavage of caspase-9, caspase-3 and poly (ADP-ribose) polymerase (PARP) during Cd exposure. Z-VAD-fmk, a pan caspase inhibitor, partially prevented Cd-induced apoptosis and cell death. Interestingly, apoptosis, cell death and these cellular events induced by Cd were blocked by BAPTA-AM, a specific intracellular Ca2+ chelator. Furthermore, western blot analysis revealed an up-regulated expression of Bcl-2 and down-regulated expression of Bax. However, these were not blocked by BAPTA-AM. Thus Cd toxicity is in part due to its disruption of intracellular Ca2+ homeostasis, by compromising ATPases activities and ER-regulated Ca2+, and this elevation in Ca2+ triggers the activation of the Ca2+-mitochondria apoptotic signaling pathway. This study clarifies the signaling events underlying Cd neurotoxicity, and suggests that regulation of Cd-disrupted [Ca2+]i homeostasis may be a new strategy for prevention of Cd-induced neurodegenerative diseases.
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Affiliation(s)
- Yan Yuan
- College of Veterinary Medicine, Yang Zhou University, Yangzhou, China
| | - Chen-yang Jiang
- College of Veterinary Medicine, Yang Zhou University, Yangzhou, China
| | - Hui Xu
- College of Veterinary Medicine, Yang Zhou University, Yangzhou, China
| | - Ya Sun
- College of Veterinary Medicine, Yang Zhou University, Yangzhou, China
| | - Fei-fei Hu
- College of Veterinary Medicine, Yang Zhou University, Yangzhou, China
| | - Jian-chun Bian
- College of Veterinary Medicine, Yang Zhou University, Yangzhou, China
| | - Xue-zhong Liu
- College of Veterinary Medicine, Yang Zhou University, Yangzhou, China
| | - Jian-hong Gu
- College of Veterinary Medicine, Yang Zhou University, Yangzhou, China
| | - Zong-ping Liu
- College of Veterinary Medicine, Yang Zhou University, Yangzhou, China
- * E-mail:
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Park S, Shin H, Cho Y. Shikonin induces programmed necrosis-like cell death through the formation of receptor interacting protein 1 and 3 complex. Food Chem Toxicol 2013; 55:36-41. [DOI: 10.1016/j.fct.2012.12.017] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2012] [Revised: 12/10/2012] [Accepted: 12/11/2012] [Indexed: 01/16/2023]
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47
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Liu D, Yang J, Wang L. Cadmium induces ultrastructural changes in the hepatopancreas of the freshwater crab Sinopotamon henanense. Micron 2013; 47:24-32. [DOI: 10.1016/j.micron.2013.01.002] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2012] [Revised: 01/04/2013] [Accepted: 01/17/2013] [Indexed: 02/08/2023]
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48
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Luzio A, Monteiro SM, Fontaínhas-Fernandes AA, Pinto-Carnide O, Matos M, Coimbra AM. Copper induced upregulation of apoptosis related genes in zebrafish (Danio rerio) gill. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2013; 128-129:183-189. [PMID: 23314331 DOI: 10.1016/j.aquatox.2012.12.018] [Citation(s) in RCA: 95] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2012] [Revised: 12/11/2012] [Accepted: 12/19/2012] [Indexed: 06/01/2023]
Abstract
Copper (Cu) is an essential micronutrient that, when present in high concentrations, becomes toxic to aquatic organisms. It is known that Cu toxicity may induce apoptotic cell death. However, the precise mechanism and the pathways that are activated, in fish, are still unclear. Thus, this study aimed to assess which apoptotic pathways are triggered by Cu, in zebrafish (Danio rerio) gill, the main target of waterborne pollutants. Fish where exposed to 12.5 and 100 μg/L of Cu during 6, 12, 24 and 48 h. Fish gills were collected to TUNEL assay and mRNA expression analysis of selected genes by real time PCR. An approach to different apoptosis pathways was done selecting p53, caspase-8, caspase-9 and apoptosis inducing factor (AIF) genes. The higher incidence of TUNEL-positive cells, in gill epithelia of the exposed fish, proved that Cu induced apoptosis. The results suggest that different apoptosis pathways are triggered by Cu at different time points of the exposure period, as the increase in transcripts was sequential, instead of simultaneous. Apoptosis seems to be initiated via intrinsic pathway (caspase-9), through p53 activation; then followed by the extrinsic pathway (caspase-8) and finally by the caspase-independent pathway (AIF). A possible model for Cu-induce apoptosis pathways is proposed.
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Affiliation(s)
- Ana Luzio
- Centro de Investigação de Tecnologias Agro-Ambientais e Biológicas (CITAB), Departamento de Biologia e Ambiente (DeBA), Escola de Ciências da Vida e Ambiente (ECVA), Universidade de Trás-os-Montes e Alto Douro (UTAD), Quinta de Prados, Vila Real, Portugal.
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49
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Zhou Z, Wang C, Liu H, Huang Q, Wang M, Lei Y. Cadmium induced cell apoptosis, DNA damage, decreased DNA repair capacity, and genomic instability during malignant transformation of human bronchial epithelial cells. Int J Med Sci 2013; 10:1485-96. [PMID: 24046522 PMCID: PMC3775105 DOI: 10.7150/ijms.6308] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2013] [Accepted: 08/12/2013] [Indexed: 12/31/2022] Open
Abstract
Cadmium and its compounds are well-known human carcinogens, but the mechanisms underlying the carcinogenesis are not entirely understood. Our study was designed to elucidate the mechanisms of DNA damage in cadmium-induced malignant transformation of human bronchial epithelial cells. We analyzed cell cycle, apoptosis, DNA damage, gene expression, genomic instability, and the sequence of exons in DNA repair genes in several kinds of cells. These cells consisted of untreated control cells, cells in the fifth, 15th, and 35th passage of cadmium-treated cells, and tumorigenic cells from nude mice using flow cytometry, Hoechst 33258 staining, comet assay, quantitative real-time polymerase chain reaction (PCR), Western blot analysis, random amplified polymorphic DNA (RAPD)-PCR, and sequence analysis. We observed a progressive increase in cell population of the G0/G1 phase of the cell cycle and the rate of apoptosis, DNA damage, and cadmium-induced apoptotic morphological changes in cerebral cortical neurons during malignant transformation. Gene expression analysis revealed increased expression of cell proliferation (PCNA), cell cycle (CyclinD1), pro-apoptotic activity (Bax), and DNA damage of the checkpoint genes ATM, ATR, Chk1, Chk2, Cdc25A. Decreased expression of the anti-apoptotic gene Bcl-2 and the DNA repair genes hMSH2, hMLH1, ERCC1, ERCC2, and hOGG1 was observed. RAPD-PCR revealed genomic instability in cadmium-exposed cells, and sequence analysis showed mutation of exons in hMSH2, ERCC1, XRCC1, and hOGG1 in tumorigenic cells. This study suggests that Cadmium can increase cell apoptosis and DNA damage, decrease DNA repair capacity, and cause mutations, and genomic instability leading to malignant transformation. This process could be a viable mechanism for cadmium-induced cancers.
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Affiliation(s)
- Zhiheng Zhou
- 1. School of public health, Guangzhou Medical University, Guangzhou 510182, People's Republic of China
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50
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Dutta C, Day T, Kopp N, van Bodegom D, Davids MS, Ryan J, Bird L, Kommajosyula N, Weigert O, Yoda A, Fung H, Brown JR, Shapiro GI, Letai A, Weinstock DM. BCL2 suppresses PARP1 function and nonapoptotic cell death. Cancer Res 2012; 72:4193-203. [PMID: 22689920 PMCID: PMC4075432 DOI: 10.1158/0008-5472.can-11-4204] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BCL2 suppresses apoptosis by binding the BH3 domain of proapoptotic factors and thereby regulating outer mitochondrial membrane permeabilization. Many tumor types, including B-cell lymphomas and chronic lymphocytic leukemia, are dependent on BCL2 for survival but become resistant to apoptosis after treatment. Here, we identified a direct interaction between the antiapoptotic protein BCL2 and the enzyme PARP1, which suppresses PARP1 enzymatic activity and inhibits PARP1-dependent DNA repair in diffuse large B-cell lymphoma cells. The BH3 mimetic ABT-737 displaced PARP1 from BCL2 in a dose-dependent manner, reestablishing PARP1 activity and DNA repair and promoting nonapoptotic cell death. This form of cell death was unaffected by resistance to single-agent ABT-737 that results from upregulation of antiapoptotic BCL2 family members. On the basis of the ability of BCL2 to suppress PARP1 function, we hypothesized that ectopic BCL2 expression would kill PARP inhibitor-sensitive cells. Strikingly, BCL2 expression reduced the survival of PARP inhibitor-sensitive breast cancer and lung cancer cells by 90% to 100%, and these effects were reversed by ABT-737. Taken together, our findings show that a novel interaction between BCL2 and PARP1 blocks PARP1 enzymatic activity and suppresses PARP1-dependent repair. Targeted disruption of the BCL2-PARP1 interaction therefore may represent a potential therapeutic approach for BCL2-expressing tumors resistant to apoptosis.
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MESH Headings
- Animals
- Biphenyl Compounds/pharmacology
- Cell Death/drug effects
- Cell Death/physiology
- Cell Line, Tumor
- Cell Nucleus/metabolism
- Humans
- Leukemia, Lymphocytic, Chronic, B-Cell/metabolism
- Leukemia, Lymphocytic, Chronic, B-Cell/pathology
- Lymphoma, Large B-Cell, Diffuse/metabolism
- Lymphoma, Large B-Cell, Diffuse/pathology
- Methylnitronitrosoguanidine/pharmacology
- Mice
- Nitrophenols/pharmacology
- Piperazines/pharmacology
- Poly (ADP-Ribose) Polymerase-1
- Poly(ADP-ribose) Polymerase Inhibitors
- Poly(ADP-ribose) Polymerases/metabolism
- Proto-Oncogene Proteins c-bcl-2/biosynthesis
- Proto-Oncogene Proteins c-bcl-2/metabolism
- Sulfonamides/pharmacology
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Affiliation(s)
- Chaitali Dutta
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Tovah Day
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Nadja Kopp
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Diederik van Bodegom
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Matthew S. Davids
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Jeremy Ryan
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Liat Bird
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Naveen Kommajosyula
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Oliver Weigert
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Akinori Yoda
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Hua Fung
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Jennifer R. Brown
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Geoffrey I. Shapiro
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Anthony Letai
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - David M. Weinstock
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
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