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Gouaref I, Otmane A, Makrelouf M, Abderrhmane SA, Haddam AEM, Koceir EA. Crucial Interactions between Altered Plasma Trace Elements and Fatty Acids Unbalance Ratio to Management of Systemic Arterial Hypertension in Diabetic Patients: Focus on Endothelial Dysfunction. Int J Mol Sci 2024; 25:9288. [PMID: 39273236 PMCID: PMC11395650 DOI: 10.3390/ijms25179288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2024] [Revised: 08/20/2024] [Accepted: 08/22/2024] [Indexed: 09/15/2024] Open
Abstract
The coexistence of SAH with T2DM is a common comorbidity. In this study, we investigated the link between altered plasma antioxidant trace elements (ATE: manganese, selenium, zinc, and copper) and fatty acids ratio (FAR: polyunsaturated/saturated) imbalance as transition biomarkers between vascular pathology (SAH) to metabolic pathology (T2DM). Our data revealed strong correlation between plasma ATE and FAR profile, which is modified during SAH-T2DM association compared to the healthy group. This relationship is mediated by lipotoxicity (simultaneously prominent visceral adipose tissue lipolysis, significant flow of non-esterified free fatty acids release, TG-Chol-dyslipidemia, high association of total SFA, palmitic acid, arachidonic acid, and PUFA ω6/PUFA ω3; drop in tandem of PUFA/SFA and EPA + DHA); oxidative stress (lipid peroxidation confirmed by TAS depletion and MDA rise, concurrent drop of Zn/Cu-SOD, GPx, GSH, Se, Zn, Se/Mn, Zn/Cu; concomitant enhancement of Cu, Mn, and Fe); endothelial dysfunction (endotheline-1 increase); athero-thrombogenesis risk (concomitant rise of ApoB100/ApoA1, Ox-LDL, tHcy, and Lp(a)), and inflammation (higher of Hs-CRP, fibrinogen and ferritin). Our study opens to new therapeutic targets and to better dietary management, such as to establishing dietary ATE and PUFA ω6/PUFA ω3 or PUFA/SFA reference values for atherosclerotic risk prevention in hypertensive/diabetic patients.
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Affiliation(s)
- Ines Gouaref
- Bioenergetics and Intermediary Metabolism Team, Laboratory of Biology and Organism Physiology, Biological Sciences Faculty, Nutrition and Pathologies Post Graduate School, Houari Boumediene University of Sciences and Technology (USTHB), Bab Ezzouar, Algiers 16123, Algeria
- Tamayouz Laboratory, Centre de Recherche en Biotechnologie (CRBT), Ali Mendjli Nouvelle Ville UV 03 BP E73, Constantine 25000, Algeria
| | - Amel Otmane
- Biochemistry and Genetics Laboratory, University Hospital Center, Mohamed Lamine Debaghine, Bab El Oued, Algiers 16000, Algeria
| | - Mohamed Makrelouf
- Biochemistry and Genetics Laboratory, University Hospital Center, Mohamed Lamine Debaghine, Bab El Oued, Algiers 16000, Algeria
| | - Samir Ait Abderrhmane
- Diabetology Unit, University Hospital Center, Mohamed Seghir Nekkache (ex. HCA de Aïn Naâdja), Algiers 16208, Algeria
| | - Ali El Mahdi Haddam
- Diabetology Unit, University Hospital Center, Mohamed Lamine Debaghine, Algiers I-University, Bab El Oued, Algiers 16000, Algeria
| | - Elhadj-Ahmed Koceir
- Bioenergetics and Intermediary Metabolism Team, Laboratory of Biology and Organism Physiology, Biological Sciences Faculty, Nutrition and Pathologies Post Graduate School, Houari Boumediene University of Sciences and Technology (USTHB), Bab Ezzouar, Algiers 16123, Algeria
- Tamayouz Laboratory, Centre de Recherche en Biotechnologie (CRBT), Ali Mendjli Nouvelle Ville UV 03 BP E73, Constantine 25000, Algeria
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Yang Z, Feng R, Zhao H. Cuproptosis and Cu: a new paradigm in cellular death and their role in non-cancerous diseases. Apoptosis 2024:10.1007/s10495-024-01993-y. [PMID: 39014119 DOI: 10.1007/s10495-024-01993-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/24/2024] [Indexed: 07/18/2024]
Abstract
Cuproptosis, a newly characterized form of regulated cell death driven by copper accumulation, has emerged as a significant mechanism underlying various non-cancerous diseases. This review delves into the complex interplay between copper metabolism and the pathogenesis of conditions such as Wilson's disease (WD), neurodegenerative disorders, and cardiovascular pathologies. We examine the molecular mechanisms by which copper dysregulation induces cuproptosis, highlighting the pivotal roles of key copper transporters and enzymes. Additionally, we evaluate the therapeutic potential of copper chelation strategies, which have shown promise in experimental models by mitigating copper-induced cellular damage and restoring physiological homeostasis. Through a comprehensive synthesis of recent advancements and current knowledge, this review underscores the necessity of further research to translate these findings into clinical applications. The ultimate goal is to harness the therapeutic potential of targeting cuproptosis, thereby improving disease management and patient outcomes in non-cancerous conditions associated with copper dysregulation.
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Affiliation(s)
- Zhibo Yang
- Department of Neurosurgery, 3201 Hospital of Xi'an Jiaotong University Health Science Center, Hanzhong, 723000, Shaanxi, China
| | - Ridong Feng
- Department of Neurosurgery, The First Affiliated Hospital, Zhejiang University School of Medicine (FAHZU), 79 Qingchun Rd., Shangcheng District, Hangzhou, 330100, Zhejiang, China
| | - Hai Zhao
- Department of Neurosurgery, The Affiliated Hospital of Qingdao University, No. 16 Jiangsu Road, Qingdao, 266005, Shandong, China.
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Liu YT, Chen L, Li SJ, Wang WY, Wang YY, Yang QC, Song A, Zhang MJ, Mo WT, Li H, Hu CY, Sun ZJ. Dysregulated Wnt/β-catenin signaling confers resistance to cuproptosis in cancer cells. Cell Death Differ 2024:10.1038/s41418-024-01341-2. [PMID: 38987382 DOI: 10.1038/s41418-024-01341-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 07/01/2024] [Accepted: 07/03/2024] [Indexed: 07/12/2024] Open
Abstract
Cuproptosis is characterized by the aggregation of lipoylated enzymes of the tricarboxylic acid cycle and subsequent loss of iron-sulfur cluster proteins as a unique copper-dependent form of regulated cell death. As dysregulation of copper homeostasis can induce cuproptosis, there is emerging interest in exploiting cuproptosis for cancer therapy. However, the molecular drivers of cancer cell evasion of cuproptosis were previously undefined. Here, we found that cuproptosis activates the Wnt/β-catenin pathway. Mechanistically, copper binds PDK1 and promotes its interaction with AKT, resulting in activation of the Wnt/β-catenin pathway and cancer stem cell (CSC) properties. Notably, aberrant activation of Wnt/β-catenin signaling conferred resistance of CSCs to cuproptosis. Further studies showed the β-catenin/TCF4 transcriptional complex directly binds the ATP7B promoter, inducing its expression. ATP7B effluxes copper ions, reducing intracellular copper and inhibiting cuproptosis. Knockdown of TCF4 or pharmacological Wnt/β-catenin blockade increased the sensitivity of CSCs to elesclomol-Cu-induced cuproptosis. These findings reveal a link between copper homeostasis regulated by the Wnt/β-catenin pathway and cuproptosis sensitivity, and suggest a precision medicine strategy for cancer treatment through selective cuproptosis induction.
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Affiliation(s)
- Yuan-Tong Liu
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Frontier Science Center for Immunology and Metabolism, Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, China
| | - Lei Chen
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Frontier Science Center for Immunology and Metabolism, Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, China
| | - Shu-Jin Li
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Frontier Science Center for Immunology and Metabolism, Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, China
| | - Wu-Yin Wang
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Frontier Science Center for Immunology and Metabolism, Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, China
| | - Yuan-Yuan Wang
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Frontier Science Center for Immunology and Metabolism, Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, China
| | - Qi-Chao Yang
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Frontier Science Center for Immunology and Metabolism, Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, China
| | - An Song
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Frontier Science Center for Immunology and Metabolism, Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, China
| | - Meng-Jie Zhang
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Frontier Science Center for Immunology and Metabolism, Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, China
| | - Wen-Tao Mo
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Frontier Science Center for Immunology and Metabolism, Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, China
| | - Hao Li
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Frontier Science Center for Immunology and Metabolism, Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, China
| | - Chuan-Yu Hu
- Department of Stomatology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Zhi-Jun Sun
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Frontier Science Center for Immunology and Metabolism, Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, China.
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Luo M, Guo L, Wu C, Hao M, Gu J, Li X, Wang Q. Effects of dietary copper intake on blood lipids in women of childbearing age and the potential role of gut microbiota. Front Nutr 2024; 11:1368730. [PMID: 38505268 PMCID: PMC10948407 DOI: 10.3389/fnut.2024.1368730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Accepted: 02/16/2024] [Indexed: 03/21/2024] Open
Abstract
Background Copper (Cu) is a vital trace element involved in numerous physiological processes, including glycolysis and lipid metabolism. Imbalances in Cu homeostasis can contribute to various diseases. However, current research on the impact of Cu on lipid metabolism has yielded inconsistent findings. Moreover, studies investigating the effects of dietary Cu intake on blood lipids among women of childbearing age are rare. Understanding of this relationship could enhance lipid management, given that most women obtain Cu through their diet. Additionally, the gut microbiota may play a role in this process. This study aims to investigate the effects of dietary Cu intake on blood lipids in women of childbearing age and to analyze the role of gut microbiota in this process. Methods This study utilized data from the National Health and Nutrition Examination Survey (NHANES) to conduct a preliminary analysis of the correlation between dietary Cu levels and blood lipid indicators in women of childbearing age. Subsequently, an on-site research was conducted to further investigate this relationship, followed by animal experiments to verify the effect of different Cu doses on blood lipid levels. Multiple linear regression models, ANOVA, XGBOOST were employed to analyze the impact of Cu on blood lipids and the role of intestinal microbiota in this process. Results In the population study, the NHANES results were consistent with on-site findings. The TG, and TC levels in women with childbearing were increased with higher dietary Cu intake. Animal experiments have shown that as Cu intake increases, TC levels increase. Furthermore, when the Cu intake reached 8 mg/day (the recommended dietary Cu intake limit of China, RDI), the TG levels in the research animals decrease, alongside a reduction in the abundance of Weissella cibaria (probiotics related to lipid metabolism), and the levels of LPS and IL-6 increase. Conclusion The blood lipid levels of women of childbearing age increase with higher dietary Cu intake. RDI of 8 mg/day for women of childbearing age in China may need to be appropriately reduced. Regulating the gut microbiota, especially by increasing the abundance of Weissella cibaria may be an effective intervention for blood lipids.
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Affiliation(s)
- Mingming Luo
- Jiangxi Cancer Hospital, The Second Affiliated Hospital of Nanchang Medical College, Jiangxi Cancer Institute, Nanchang, China
| | - Linmei Guo
- Department of Health Statistics, School of Public Health and Health Management, Gannan Medical University, Ganzhou, China
| | - Chunmei Wu
- Department of Health Statistics, School of Public Health and Health Management, Gannan Medical University, Ganzhou, China
| | - Ming Hao
- Department of Health Statistics, School of Public Health and Health Management, Gannan Medical University, Ganzhou, China
| | - Junwang Gu
- Department of Health Statistics, School of Public Health and Health Management, Gannan Medical University, Ganzhou, China
| | - Xuhuan Li
- The Fourth Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, China
| | - Qi Wang
- Department of Health Statistics, School of Public Health and Health Management, Gannan Medical University, Ganzhou, China
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Huo Y, Ma F, Li L, Li Y, Zhong G, Liao J, Han Q, Li Y, Pan J, Hu L, Zhang H, Guo J, Tang Z. Effect of Copper Exposure on the Cholesterol Metabolism in Broiler Liver. Biol Trace Elem Res 2023; 201:5747-5755. [PMID: 36929115 DOI: 10.1007/s12011-023-03609-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Accepted: 02/23/2023] [Indexed: 03/18/2023]
Abstract
Copper (Cu) is a kind of widely used dietary supplement in poultry production, and a common environmental pollutant at the same time. Excess Cu exposure has been reported to accumulate in the liver and induce cytotoxicity, but the effect of Cu toxicity on hepatic cholesterol metabolism is still uncertain. Herein, we aimed to reveal the effect of excess Cu on the liver and primary hepatocytes of broilers at various concentrations. We found that 110 mg/kg Cu supplement remarkably increased blood cholesterol levels by detecting serum TC, LDL-C, and HDL-C in the broilers, while there was no significant difference in 220 and 330 mg/kg Cu supplements. In addition, high Cu exposure resulted in severe hepatic steatosis and hepatic cord derangement in the broilers. Oil red O staining of primary hepatocytes showed that Cu treatment caused intracellular neutral lipid accumulation. However, the hepatic TC content indicated a downward trend in both liver tissues and hepatocytes after Cu exposure. Furthermore, the expression of cholesterol metabolism-related indicators (SREBP2, HMGCR, LDLR, and CYP7A1) was notably decreased in the Cu-treated groups. While the expression of the key enzyme of cholesterol esterification (ACAT2) did not change significantly. Taken together, our findings preliminarily revealed excess Cu-induced hepatic cholesterol metabolism dysfunction, providing a deeper understanding of the molecular mechanisms of Cu-induced hepatotoxicity.
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Affiliation(s)
- Yihui Huo
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, Guangdong, People's Republic of China
| | - Feiyang Ma
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, Guangdong, People's Republic of China
| | - Lei Li
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, Guangdong, People's Republic of China
| | - Yuanxu Li
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, Guangdong, People's Republic of China
| | - Gaolong Zhong
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, Guangdong, People's Republic of China
| | - Jianzhao Liao
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, Guangdong, People's Republic of China
| | - Qingyue Han
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, Guangdong, People's Republic of China
| | - Ying Li
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, Guangdong, People's Republic of China
| | - Jiaqiang Pan
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, Guangdong, People's Republic of China
| | - Lianmei Hu
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, Guangdong, People's Republic of China
| | - Hui Zhang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, Guangdong, People's Republic of China
| | - Jianying Guo
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, Guangdong, People's Republic of China
| | - Zhaoxin Tang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, Guangdong, People's Republic of China.
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Lavrut PM, Guillaud O, Dumortier J, Mintz E, Brun V, Heissat S, Couchonnal Bedoya E, Lachaux A, Bost M, Hervieu V. Histological features of liver disease development in the Atp7b -/- mouse: a model of Wilson's disease. J Clin Pathol 2023:jcp-2023-209190. [PMID: 37968102 DOI: 10.1136/jcp-2023-209190] [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: 09/12/2023] [Accepted: 10/25/2023] [Indexed: 11/17/2023]
Abstract
AIMS Wilson's disease (WD) is caused by mutations in the ATP7B gene, resulting in copper accumulation and toxicity in liver and brain tissues. Due to the initial asymptomatic liver involvement, the progression of liver injuries in WD stays primarily unknown. Atp7b-/- knockout mice have been shown to be an appropriate model of WD for liver involvement. METHODS A total of 138 Atp7b-/- mice were included and separated into five groups according to age as follows: 6, 20, 39 and 50 weeks without treatment, and 50 weeks with copper chelator treatment from 39 to 50 weeks of age and compared with 101 wild-type (WT) mice at the same stages. The evolution of histological liver lesions was analysed and compared between groups. RESULTS Significant changes were observed in Atp7b-/- mice compared with WT. Copper deposits in hepatocytes appeared as early as 6 weeks but no significant increase over time was observed. Inflammation appeared as early as 6 weeks and progressed henceforth. Lobular and periportal acidophilic bodies appeared after 20 weeks. Significant atypia was also observed at 20 weeks and increased over time to reach a severe stage at 39 weeks. Fibrosis also became apparent at 20 weeks, progressing subsequently to precirrhotic stages at 50 weeks. Copper content, inflammation and fibrosis scores were significantly reduced in the treated group. No bile duct lesions or dysplastic changes were noted. CONCLUSIONS Copper accumulation leads to progressive changes in Atp7b-/- mice regarding inflammation, fibrosis and atypia. The severity of liver damage is lessened by chelation therapy.
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Affiliation(s)
- Pierre-Marie Lavrut
- Department of Pathology, Hospices Civils de Lyon, Lyon, Auvergne-Rhône-Alpes, France
| | - Olivier Guillaud
- National Reference Center for Wilson's disease, Hospices Civils de Lyon, Lyon, Auvergne-Rhône-Alpes, France
- Ramsay Générale de Santé, Clinique de la Sauvegarde, Lyon, Rhône-Alpes, France
| | - Jérôme Dumortier
- Department of digestive diseases, Hospices Civils de Lyon, Hôpital Edouard Herriot, Hospices Civils de Lyon, Lyon, Auvergne-Rhône-Alpes, France
- Université de Lyon, Lyon, Auvergne-Rhône-Alpes, France
| | - Elisabeth Mintz
- CEA, CNRS, IRIG, LCBM, Universite Grenoble Alpes, Grenoble, Auvergne-Rhône-Alpes, France
| | - Virginie Brun
- CEA, Inserm, IRIG, BioSanté U1292, University Grenoble Alpes, Grenoble, Auvergne-Rhône-Alpes, France
| | - Sophie Heissat
- National Reference Center for Wilson's disease, Hospices Civils de Lyon, Lyon, Auvergne-Rhône-Alpes, France
| | - Eduardo Couchonnal Bedoya
- National Reference Center for Wilson's disease, Hospices Civils de Lyon, Lyon, Auvergne-Rhône-Alpes, France
| | - Alain Lachaux
- National Reference Center for Wilson's disease, Hospices Civils de Lyon, Lyon, Auvergne-Rhône-Alpes, France
- Université de Lyon, Lyon, Auvergne-Rhône-Alpes, France
| | - Muriel Bost
- National Reference Center for Wilson's disease, Hospices Civils de Lyon, Lyon, Auvergne-Rhône-Alpes, France
- Laboratory of Trace Element and Toxic Metal Analysis, Hospices Civils de Lyon, Lyon, Auvergne-Rhône-Alpes, France
| | - Valerie Hervieu
- Department of Pathology, Hospices Civils de Lyon, Lyon, Auvergne-Rhône-Alpes, France
- Université de Lyon, Lyon, Auvergne-Rhône-Alpes, France
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Wooton-Kee CR. Therapeutic implications of impaired nuclear receptor function and dysregulated metabolism in Wilson's disease. Pharmacol Ther 2023; 251:108529. [PMID: 37741465 PMCID: PMC10841433 DOI: 10.1016/j.pharmthera.2023.108529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 07/29/2023] [Accepted: 09/08/2023] [Indexed: 09/25/2023]
Abstract
Copper is an essential trace element that is required for the activity of many enzymes and cellular processes, including energy homeostasis and neurotransmitter biosynthesis; however, excess copper accumulation results in significant cellular toxicity. The liver is the major organ for maintaining copper homeostasis. Inactivating mutations of the copper-transporting P-type ATPase, ATP7B, result in Wilson's disease, an autosomal recessive disorder that requires life-long medicinal therapy or liver transplantation. Current treatment protocols are limited to either sequestration of copper via chelation or reduction of copper absorption in the gut (zinc therapy). The goal of these strategies is to reduce free copper, redox stress, and cellular toxicity. Several lines of evidence in Wilson's disease animal models and patients have revealed altered hepatic metabolism and impaired hepatic nuclear receptor activity. Nuclear receptors are transcription factors that coordinate hepatic metabolism in normal and diseased livers, and several hepatic nuclear receptors have decreased activity in Wilson's disease and Atp7b-/- models. In this review, we summarize the basic physiology that underlies Wilson's disease pathology, Wilson's disease animal models, and the possibility of targeting nuclear receptor activity in Wilson's disease patients.
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Affiliation(s)
- Clavia Ruth Wooton-Kee
- Baylor College of Medicine, Department of Pediatrics-Nutrition, Children's Nutrition Research Center, Houston, TX, United States of America.
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Xu S, Dong K, Gao R, Yang Y, Zhou Y, Luo C, Chen W, Liu SM. Cuproptosis-related signature for clinical prognosis and immunotherapy sensitivity in hepatocellular carcinoma. J Cancer Res Clin Oncol 2023; 149:12249-12263. [PMID: 37434092 DOI: 10.1007/s00432-023-05099-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 06/30/2023] [Indexed: 07/13/2023]
Abstract
BACKGROUND Copper homeostasis imbalance has been implicated in tumor progression, aggressiveness, and treatment response. However, the precise roles of cuproptosis-related genes (CRGs) in hepatocellular carcinoma (HCC) remain poorly understood. METHODS In this study, we employed a consensus clustering algorithm to identify distinct molecular subtypes. We then performed Kaplan-Meier analysis and univariate Cox regression analysis to identify prognostic differentially expressed genes. The expression of these genes was subsequently validated using qPCR on fresh-frozen tissues obtained from HCC patients. Moreover, leveraging the TCGA-HCC cohort, we constructed a CRGs-related risk prediction model using the LASSO and multivariate Cox regression analysis. RESULTS By analyzing the data, we successfully established a CRGs risk prognostic model for HCC patients, comprising five differential genes (CAD, SGCB, TXNRD1, KDR, and MTND4P20). Cox regression analysis revealed that the CRGs risk score could serve as an independent prognostic factor for overall survival (hazard ratio [HR] = 1.308, 95% confidence interval [CI] = 1.200 - 1.426, P < 0.001). The area under the curve (AUC) values of the CRGs-score for predicting 1-year, 3-year, and 5-year survival rates were 0.785, 0.724, and 0.723, respectively. Notably, the expression levels of immune checkpoints (including PD-1, PD-L1, and CTLA4) significantly differed between the low- and high-risk score groups. Furthermore, the low-risk score group displayed increased sensitivity to sorafenib, cisplatin, cyclopamine, nilotinib, salubrinal, and gemcitabine, whereas the high-risk score group exhibited heightened sensitivity to lapatinib, erlotinib, and gefitinib. CONCLUSIONS Our findings highlight the potential of the CRGs risk score as an independent and promising biomarker for clinical prognosis and immunotherapy sensitivity in HCC patients.
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Affiliation(s)
- Shaohua Xu
- Department of Clinical Laboratory, Center for Gene Diagnosis and Program of Clinical Laboratory, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Kexin Dong
- Department of Clinical Laboratory, Center for Gene Diagnosis and Program of Clinical Laboratory, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Ruihuan Gao
- Department of Clinical Laboratory, Center for Gene Diagnosis and Program of Clinical Laboratory, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Ying Yang
- Department of Clinical Laboratory, Center for Gene Diagnosis and Program of Clinical Laboratory, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Yidan Zhou
- Department of Clinical Laboratory, Center for Gene Diagnosis and Program of Clinical Laboratory, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Chunhua Luo
- The First College of Clinical Medical Science, Three Gorges University, Hubei, 443000, China
| | - Wei Chen
- Department of Clinical Laboratory, Center for Gene Diagnosis and Program of Clinical Laboratory, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China.
| | - Song-Mei Liu
- Department of Clinical Laboratory, Center for Gene Diagnosis and Program of Clinical Laboratory, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China.
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9
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Sarode GV, Mazi TA, Neier K, Shibata NM, Jospin G, Harder NH, Caceres A, Heffern MC, Sharma AK, More SK, Dave M, Schroeder SM, Wang L, LaSalle JM, Lutsenko S, Medici V. The role of intestine in metabolic dysregulation in murine Wilson disease. Hepatol Commun 2023; 7:e0247. [PMID: 37695076 PMCID: PMC10497250 DOI: 10.1097/hc9.0000000000000247] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Accepted: 06/24/2023] [Indexed: 09/12/2023] Open
Abstract
BACKGROUND The clinical manifestations of Wilson disease (WD) are related to copper accumulation in the liver and the brain, but little is known about other tissue involvement regarding metabolic changes in WD. In vitro studies suggested that the loss of intestinal ATP7B affects metabolic dysregulation in WD. We tested this hypothesis by evaluating the gut microbiota and lipidome in 2 mouse models of WD and by characterizing a new mouse model with a targeted deletion of Atp7b in the intestine. METHODS Cecal content 16S sequencing and untargeted hepatic and plasma lipidome analyses in the Jackson Laboratory toxic-milk and the Atp7b null global knockout mouse models of WD were profiled and integrated. Intestine-specific Atp7b knockout mice (Atp7bΔIEC) were generated and characterized using targeted lipidome analysis following a high-fat diet challenge. RESULTS Gut microbiota diversity was reduced in animal models of WD. Comparative prediction analysis revealed amino acid, carbohydrate, and lipid metabolism functions to be dysregulated in the WD gut microbial metagenome. Liver and plasma lipidomic profiles showed dysregulated triglyceride and diglyceride, phospholipid, and sphingolipid metabolism in WD models. However, Atp7bΔIEC mice did not show gut microbiome differences compared to wild type. When challenged with a high-fat diet, Atp7bΔIEC mice exhibited profound alterations to fatty acid desaturation and sphingolipid metabolism pathways as well as altered APOB48 distribution in intestinal epithelial cells. CONCLUSIONS Gut microbiome and lipidome underlie systemic metabolic manifestations in murine WD. Intestine-specific ATP7B deficiency affected both intestinal and systemic response to a high-fat challenge but not the microbiome profile, at least at early stages. WD is a systemic disease in which intestinal-specific ATP7B loss and diet influence the phenotype and the lipidome profile.
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Affiliation(s)
- Gaurav V. Sarode
- Department of Internal Medicine, Division of Gastroenterology and Hepatology, UC Davis, Sacramento, California, USA
| | - Tagreed A. Mazi
- Department of Community Health Sciences - Clinical Nutrition, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Kari Neier
- Department of Medical Microbiology and Immunology, UC Davis School of Medicine, Genome Center, MIND Institute, Davis, California, USA
| | - Noreene M. Shibata
- Department of Internal Medicine, Division of Gastroenterology and Hepatology, UC Davis, Sacramento, California, USA
| | | | - Nathaniel H.O. Harder
- Department of Chemistry, University of California Davis Genome Center, Davis, California, USA
| | - Amanda Caceres
- Department of Chemistry, University of California Davis Genome Center, Davis, California, USA
| | - Marie C. Heffern
- Department of Chemistry, University of California Davis Genome Center, Davis, California, USA
| | - Ashok K. Sharma
- Department of Gastroenterology, Inflammatory Bowel & Immunology Research Institute, Cedars Sinai Medical Center, Los Angeles, California, USA
| | - Shyam K. More
- Cedars Sinai Medical Center, F. Widjaja Foundation Inflammatory Bowel Disease Institute, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, California, USA
| | - Maneesh Dave
- Department of Internal Medicine, Division of Gastroenterology and Hepatology, UC Davis, Sacramento, California, USA
| | - Shannon M. Schroeder
- Department of Internal Medicine, Division of Gastroenterology and Hepatology, UC Davis, Sacramento, California, USA
| | - Li Wang
- Department of Physiology, Johns Hopkins University, School of Medicine, Baltimore, Maryland, USA
| | - Janine M. LaSalle
- Department of Medical Microbiology and Immunology, UC Davis School of Medicine, Genome Center, MIND Institute, Davis, California, USA
| | - Svetlana Lutsenko
- Department of Physiology, Johns Hopkins University, School of Medicine, Baltimore, Maryland, USA
| | - Valentina Medici
- Department of Internal Medicine, Division of Gastroenterology and Hepatology, UC Davis, Sacramento, California, USA
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10
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Chen X, Sun Z, Zhou S, Jiang W, Li J, Song G, Zhu X. SH3 domain-binding kinase 1 promotes proliferation and inhibits apoptosis of cervical cancer via activating the Wnt/β-catenin and Raf/ERK1/2 signaling pathways. Mol Carcinog 2023; 62:1147-1162. [PMID: 37132991 DOI: 10.1002/mc.23552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 03/27/2023] [Accepted: 04/20/2023] [Indexed: 05/04/2023]
Abstract
SH3 domain-binding kinase 1 (SBK1), is a member of the serine/threonine protein kinases family, and was confirmed to be upregulated in cervical cancer in our previous study. Nonetheless, the role of SBK1 in regulating cancer occurrence and development is unclear. In this study, the stable SBK1-knockdown and -overexpressed cell models were constructed by plasmid transfection technology. Cell viability and growth were assessed through CCK-8, colony formation, and BrdU methods. Cell cycle and apoptosis were analyzed by flow cytometry. The JC-1 staining assay was used to explore mitochondrial membrane potential. The scratch and Transwell assays were used to evaluate the cell metastatic ability. The nude mice models were utilized to explore the SBK1 expression affecting tumor growth in vivo. Our research indicated a high expression of SBK1 both in tissues and cells of cervical cancer. The proliferative, migratory, as well as invasive capacities of cervical cancer cells, were suppressed, and apoptosis was enhanced after SBK1 silence, whereas SBK1 upregulation led to opposite results. In addition, Wnt/β-catenin and Raf/ERK1/2 pathways were activated by SBK1 upregulation. Furthermore, downregulation of c-Raf or β-catenin, reversed the proliferation promotion and apoptosis inhibition effects in SBK1-overexpressed cells. The same results were observed with the use of the specific Raf inhibitor. SBK1 overexpression also contributed to tumor growth in vivo. Overall, SBK1 played a vital role in cervical tumorigenesis via activating the Wnt/β-catenin and Raf/ERK1/2 pathways.
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Affiliation(s)
- Xin Chen
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Zhengwei Sun
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Shengjie Zhou
- Department of Obstetrics and Gynecology, Taizhou Women and Children's Hospital of Wenzhou Medical University, Taizhou, Zhejiang, China
| | - Wenxiao Jiang
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Jieyi Li
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Gendi Song
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Xueqiong Zhu
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
- Department of Obstetrics and Gynecology, Taizhou Women and Children's Hospital of Wenzhou Medical University, Taizhou, Zhejiang, China
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11
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Wei J, Wang S, Zhu H, Cui W, Gao J, Gao C, Yu B, Liu B, Chen J, Peng J. Hepatic depletion of nucleolar protein mDEF causes excessive mitochondrial copper accumulation associated with p53 and NRF1 activation. iScience 2023; 26:107220. [PMID: 37456842 PMCID: PMC10339200 DOI: 10.1016/j.isci.2023.107220] [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: 03/03/2023] [Revised: 05/15/2023] [Accepted: 06/22/2023] [Indexed: 07/18/2023] Open
Abstract
Copper is an essential component in the mitochondrial respiratory chain complex IV (cytochrome c oxidases). However, whether any nucleolar factor(s) is(are) involved in regulating the mitochondrial copper homeostasis remains unclear. The nucleolar localized Def-Capn3 protein degradation pathway cleaves target proteins, including p53, in both zebrafish and human nucleoli. Here, we report that hepatic depletion of mDEF in mice causes an excessive copper accumulation in the mitochondria. We find that mDEF-depleted hepatocytes show an exclusion of CAPN3 from the nucleoli and accumulate p53 and NRF1 proteins in the nucleoli. Furthermore, we find that NRF1 is a CAPN3 substrate. Elevated p53 and NRF1 enhances the expression of Sco2 and Cox genes, respectively, to allow more copper acquirement in the mDefloxp/loxp, Alb:Cre mitochondria. Our findings reveal that the mDEF-CAPN3 pathway serves as a novel mechanism for regulating the mitochondrial copper homeostasis through targeting its substrates p53 and NRF1.
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Affiliation(s)
- Jinsong Wei
- MOE Key Laboratory for Molecular Animal Nutrition, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Shuai Wang
- MOE Key Laboratory for Molecular Animal Nutrition, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Haozhe Zhu
- MOE Key Laboratory for Molecular Animal Nutrition, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Wei Cui
- MOE Key Laboratory for Molecular Animal Nutrition, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Jianan Gao
- MOE Key Laboratory for Molecular Animal Nutrition, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Ce Gao
- MOE Key Laboratory for Molecular Animal Nutrition, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Bo Yu
- College of Life Sciences, Zhejiang University, Hangzhou 310058, China
| | - Bojing Liu
- MOE Key Laboratory for Molecular Animal Nutrition, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Jun Chen
- College of Life Sciences, Zhejiang University, Hangzhou 310058, China
| | - Jinrong Peng
- MOE Key Laboratory for Molecular Animal Nutrition, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
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12
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Schwarz M, Meyer CE, Löser A, Lossow K, Hackler J, Ott C, Jäger S, Mohr I, Eklund EA, Patel AAH, Gul N, Alvarez S, Altinonder I, Wiel C, Maares M, Haase H, Härtlova A, Grune T, Schulze MB, Schwerdtle T, Merle U, Zischka H, Sayin VI, Schomburg L, Kipp AP. Excessive copper impairs intrahepatocyte trafficking and secretion of selenoprotein P. Nat Commun 2023; 14:3479. [PMID: 37311819 DOI: 10.1038/s41467-023-39245-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Accepted: 06/06/2023] [Indexed: 06/15/2023] Open
Abstract
Selenium homeostasis depends on hepatic biosynthesis of selenoprotein P (SELENOP) and SELENOP-mediated transport from the liver to e.g. the brain. In addition, the liver maintains copper homeostasis. Selenium and copper metabolism are inversely regulated, as increasing copper and decreasing selenium levels are observed in blood during aging and inflammation. Here we show that copper treatment increased intracellular selenium and SELENOP in hepatocytes and decreased extracellular SELENOP levels. Hepatic accumulation of copper is a characteristic of Wilson's disease. Accordingly, SELENOP levels were low in serum of Wilson's disease patients and Wilson's rats. Mechanistically, drugs targeting protein transport in the Golgi complex mimicked some of the effects observed, indicating a disrupting effect of excessive copper on intracellular SELENOP transport resulting in its accumulation in the late Golgi. Our data suggest that hepatic copper levels determine SELENOP release from the liver and may affect selenium transport to peripheral organs such as the brain.
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Affiliation(s)
- Maria Schwarz
- Department of Nutritional Physiology, Institute of Nutritional Sciences, Friedrich Schiller University Jena, Dornburger Str. 24, 07743, Jena, Germany
- TraceAge-DFG Research Unit on Interactions of Essential Trace Elements in Healthy and Diseased Elderly, Potsdam-Berlin-Jena-Wuppertal, Germany
| | - Caroline E Meyer
- Department of Nutritional Physiology, Institute of Nutritional Sciences, Friedrich Schiller University Jena, Dornburger Str. 24, 07743, Jena, Germany
- TraceAge-DFG Research Unit on Interactions of Essential Trace Elements in Healthy and Diseased Elderly, Potsdam-Berlin-Jena-Wuppertal, Germany
| | - Alina Löser
- Department of Nutritional Physiology, Institute of Nutritional Sciences, Friedrich Schiller University Jena, Dornburger Str. 24, 07743, Jena, Germany
- TraceAge-DFG Research Unit on Interactions of Essential Trace Elements in Healthy and Diseased Elderly, Potsdam-Berlin-Jena-Wuppertal, Germany
| | - Kristina Lossow
- Department of Nutritional Physiology, Institute of Nutritional Sciences, Friedrich Schiller University Jena, Dornburger Str. 24, 07743, Jena, Germany
- TraceAge-DFG Research Unit on Interactions of Essential Trace Elements in Healthy and Diseased Elderly, Potsdam-Berlin-Jena-Wuppertal, Germany
| | - Julian Hackler
- TraceAge-DFG Research Unit on Interactions of Essential Trace Elements in Healthy and Diseased Elderly, Potsdam-Berlin-Jena-Wuppertal, Germany
- Institute for Experimental Endocrinology, Charité - University Medical School Berlin, Hessische Straße 3-4, 10115, Berlin, Germany
| | - Christiane Ott
- TraceAge-DFG Research Unit on Interactions of Essential Trace Elements in Healthy and Diseased Elderly, Potsdam-Berlin-Jena-Wuppertal, Germany
- Department of Molecular Toxicology, German Institute of Human Nutrition Potsdam-Rehbrücke, Arthur-Scheunert-Allee 114-116, 14558, Nuthetal, Germany
| | - Susanne Jäger
- TraceAge-DFG Research Unit on Interactions of Essential Trace Elements in Healthy and Diseased Elderly, Potsdam-Berlin-Jena-Wuppertal, Germany
- Department of Molecular Epidemiology, German Institute of Human Nutrition Potsdam-Rehbrücke, Arthur-Scheunert-Allee 114-116, 14558, Nuthetal, Germany
| | - Isabelle Mohr
- Department of Internal Medicine IV, University Hospital Heidelberg, Im Neuenheimer Feld 672, 69120, Heidelberg, Germany
| | - Ella A Eklund
- Institute of Clinical Sciences, Department of Surgery, Sahlgrenska Center for Cancer Research, University of Gothenburg, Blå stråket 5, 41345, Gothenburg, Sweden
- Wallenberg Centre for Molecular and Translational Medicine, University of Gothenburg, 41345, Gothenburg, Sweden
| | - Angana A H Patel
- Institute of Clinical Sciences, Department of Surgery, Sahlgrenska Center for Cancer Research, University of Gothenburg, Blå stråket 5, 41345, Gothenburg, Sweden
- Wallenberg Centre for Molecular and Translational Medicine, University of Gothenburg, 41345, Gothenburg, Sweden
| | - Nadia Gul
- Institute of Clinical Sciences, Department of Surgery, Sahlgrenska Center for Cancer Research, University of Gothenburg, Blå stråket 5, 41345, Gothenburg, Sweden
- Wallenberg Centre for Molecular and Translational Medicine, University of Gothenburg, 41345, Gothenburg, Sweden
| | - Samantha Alvarez
- Institute of Clinical Sciences, Department of Surgery, Sahlgrenska Center for Cancer Research, University of Gothenburg, Blå stråket 5, 41345, Gothenburg, Sweden
- Wallenberg Centre for Molecular and Translational Medicine, University of Gothenburg, 41345, Gothenburg, Sweden
| | - Ilayda Altinonder
- Institute of Clinical Sciences, Department of Surgery, Sahlgrenska Center for Cancer Research, University of Gothenburg, Blå stråket 5, 41345, Gothenburg, Sweden
- Wallenberg Centre for Molecular and Translational Medicine, University of Gothenburg, 41345, Gothenburg, Sweden
| | - Clotilde Wiel
- Institute of Clinical Sciences, Department of Surgery, Sahlgrenska Center for Cancer Research, University of Gothenburg, Blå stråket 5, 41345, Gothenburg, Sweden
- Wallenberg Centre for Molecular and Translational Medicine, University of Gothenburg, 41345, Gothenburg, Sweden
| | - Maria Maares
- TraceAge-DFG Research Unit on Interactions of Essential Trace Elements in Healthy and Diseased Elderly, Potsdam-Berlin-Jena-Wuppertal, Germany
- Department of Food Chemistry and Toxicology, Technical University Berlin, Gustav-Meyer-Allee 25, 13355, Berlin, Germany
| | - Hajo Haase
- TraceAge-DFG Research Unit on Interactions of Essential Trace Elements in Healthy and Diseased Elderly, Potsdam-Berlin-Jena-Wuppertal, Germany
- Department of Food Chemistry and Toxicology, Technical University Berlin, Gustav-Meyer-Allee 25, 13355, Berlin, Germany
| | - Anetta Härtlova
- Wallenberg Centre for Molecular and Translational Medicine, University of Gothenburg, 41345, Gothenburg, Sweden
- Institute of Biomedicine, Department of Microbiology and Immunology, University of Gothenburg, 41345, Gothenburg, Sweden
- The Institute of Medical Microbiology and Hygiene, University Medical Centre Freiburg, Freiburg, Germany
| | - Tilman Grune
- TraceAge-DFG Research Unit on Interactions of Essential Trace Elements in Healthy and Diseased Elderly, Potsdam-Berlin-Jena-Wuppertal, Germany
- Department of Molecular Toxicology, German Institute of Human Nutrition Potsdam-Rehbrücke, Arthur-Scheunert-Allee 114-116, 14558, Nuthetal, Germany
| | - Matthias B Schulze
- TraceAge-DFG Research Unit on Interactions of Essential Trace Elements in Healthy and Diseased Elderly, Potsdam-Berlin-Jena-Wuppertal, Germany
- Department of Molecular Epidemiology, German Institute of Human Nutrition Potsdam-Rehbrücke, Arthur-Scheunert-Allee 114-116, 14558, Nuthetal, Germany
- Institute of Nutritional Science, University of Potsdam, Arthur-Scheunert-Allee 114-116, 14558, Nuthetal, Germany
| | - Tanja Schwerdtle
- TraceAge-DFG Research Unit on Interactions of Essential Trace Elements in Healthy and Diseased Elderly, Potsdam-Berlin-Jena-Wuppertal, Germany
- Institute of Nutritional Science, University of Potsdam, Arthur-Scheunert-Allee 114-116, 14558, Nuthetal, Germany
- German Federal Institute for Risk Assessment (BfR), Max-Dohrn-Str. 8-10, 10589, Berlin, Germany
| | - Uta Merle
- Department of Internal Medicine IV, University Hospital Heidelberg, Im Neuenheimer Feld 672, 69120, Heidelberg, Germany
| | - Hans Zischka
- Institute of Toxicology and Environmental Hygiene, Technical University Munich, School of Medicine, Biedersteinerstraße 29, 80802, Munich, Germany
- Institute of Molecular Toxicology and Pharmacology, Helmholtz Center Munich, German Research Center for Environmental Health, Ingolstädter Landstraße 1, 85764, Neuherberg, Germany
| | - Volkan I Sayin
- Institute of Clinical Sciences, Department of Surgery, Sahlgrenska Center for Cancer Research, University of Gothenburg, Blå stråket 5, 41345, Gothenburg, Sweden
- Wallenberg Centre for Molecular and Translational Medicine, University of Gothenburg, 41345, Gothenburg, Sweden
| | - Lutz Schomburg
- TraceAge-DFG Research Unit on Interactions of Essential Trace Elements in Healthy and Diseased Elderly, Potsdam-Berlin-Jena-Wuppertal, Germany
- Institute for Experimental Endocrinology, Charité - University Medical School Berlin, Hessische Straße 3-4, 10115, Berlin, Germany
| | - Anna P Kipp
- Department of Nutritional Physiology, Institute of Nutritional Sciences, Friedrich Schiller University Jena, Dornburger Str. 24, 07743, Jena, Germany.
- TraceAge-DFG Research Unit on Interactions of Essential Trace Elements in Healthy and Diseased Elderly, Potsdam-Berlin-Jena-Wuppertal, Germany.
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13
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Sarode GV, Mazi TA, Neier K, Shibata NM, Jospin G, Harder NHO, Heffern MC, Sharma AK, More SK, Dave M, Schroeder SM, Wang L, LaSalle JM, Lutsenko S, Medici V. The role of intestine in metabolic dysregulation in murine Wilson disease. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.01.13.524009. [PMID: 36711483 PMCID: PMC9882126 DOI: 10.1101/2023.01.13.524009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Background and aims Major clinical manifestations of Wilson disease (WD) are related to copper accumulation in the liver and the brain, and little is known about other tissues involvement in metabolic changes in WD. In vitro studies suggested that the loss of intestinal ATP7B could contribute to metabolic dysregulation in WD. We tested this hypothesis by evaluating gut microbiota and lipidome in two mouse models of WD and by characterizing a new mouse model with a targeted deletion of Atp7b in intestine. Methods Cecal content 16S sequencing and untargeted hepatic and plasma lipidome analyses in the Jackson Laboratory toxic-milk and the Atp7b null global knockout mouse models of WD were profiled and integrated. Intestine-specific Atp7b knockout mice ( Atp7b ΔIEC ) was generated using B6.Cg-Tg(Vil1-cre)997Gum/J mice and Atp7b Lox/Lox mice, and characterized using targeted lipidome analysis following a high-fat diet challenge. Results Gut microbiota diversity was reduced in animal models of WD. Comparative prediction analysis revealed amino acid, carbohydrate, and lipid metabolism functions to be dysregulated in the WD gut microbial metagenome. Liver and plasma lipidomic profiles showed dysregulated tri- and diglyceride, phospholipid, and sphingolipid metabolism in WD models. When challenged with a high-fat diet, Atp7b ΔIEC mice exhibited profound alterations to fatty acid desaturation and sphingolipid metabolism pathways as well as altered APOB48 distribution in intestinal epithelial cells. Conclusion Coordinated changes of gut microbiome and lipidome analyses underlie systemic metabolic manifestations in murine WD. Intestine-specific ATP7B deficiency affected both intestinal and systemic response to a high-fat challenge. WD is a systemic disease in which intestinal-specific ATP7B loss and diet influence phenotypic presentations.
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14
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More SJ, Bampidis V, Benford D, Bragard C, Halldorsson TI, Hernández‐Jerez AF, Bennekou SH, Koutsoumanis K, Lambré C, Machera K, Mullins E, Nielsen SS, Schlatter JR, Schrenk D, Turck D, Younes M, Boon P, Ferns GAA, Lindtner O, Smolders E, Wilks M, Bastaki M, de Sesmaisons‐Lecarré A, Ferreira L, Greco L, Kass GEN, Riolo F, Leblanc J. Re-evaluation of the existing health-based guidance values for copper and exposure assessment from all sources. EFSA J 2023; 21:e07728. [PMID: 36694841 PMCID: PMC9843535 DOI: 10.2903/j.efsa.2023.7728] [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] [Indexed: 01/18/2023] Open
Abstract
Copper is an essential micronutrient and also a regulated product used in organic and in conventional farming pest management. Both deficiency and excessive exposure to copper can have adverse health effects. In this Scientific Opinion, the EFSA 2021 harmonised approach for establishing health-based guidance values (HBGVs) for substances that are regulated products and also nutrients was used to resolve the divergent existing HBGVs for copper. The tightly regulated homeostasis prevents toxicity manifestation in the short term, but the development of chronic copper toxicity is dependent on copper homeostasis and its tissue retention. Evidence from Wilson disease suggests that hepatic retention is indicative of potential future and possibly sudden onset of copper toxicity under conditions of continuous intake. Hence, emphasis was placed on copper retention as an early marker of potential adverse effects. The relationships between (a) chronic copper exposure and its retention in the body, particularly the liver, and (b) hepatic copper concentrations and evidence of toxicity were examined. The Scientific Committee (SC) concludes that no retention of copper is expected to occur with intake of 5 mg/day and established an Acceptable Daily Intake (ADI) of 0.07 mg/kg bw. A refined dietary exposure assessment was performed, assessing contribution from dietary and non-dietary sources. Background copper levels are a significant source of copper. The contribution of copper from its use as plant protection product (PPP), food and feed additives or fertilisers is negligible. The use of copper in fertilisers or PPPs contributes to copper accumulation in soil. Infant formula and follow-on formula are important contributors to dietary exposure of copper in infants and toddlers. Contribution from non-oral sources is negligible. Dietary exposure to total copper does not exceed the HBGV in adolescents, adults, elderly and the very elderly. Neither hepatic copper retention nor adverse effects are expected to occur from the estimated copper exposure in children due to higher nutrient requirements related to growth.
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15
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Xie H, Hu Q, Qin X, Zhang Y, Li L, Li J. Naked-eye chemosensor with high absolute fluorescence quantum yield for selective detection of Cu(II) and cell imaging. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 283:121740. [PMID: 35964354 DOI: 10.1016/j.saa.2022.121740] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 08/01/2022] [Accepted: 08/07/2022] [Indexed: 06/15/2023]
Abstract
The regulation of copper in the human body is important for the prevention of several diseases. Therefore, a rhodamine B-based chemosensor 1 that demonstrates substantial affinity and selectivity was synthesized for the fluorescence imaging of copper(II). In the presence of Cu2+, the chemosensor underwent a color change from colorless to amaranth that was visible to the naked eye, and the fluorescence intensity did not change when excess EDTA was added to the solution. Furthermore, strong fluorescence was observed at 575 nm. The limit of detection was determined as 12.1 nM. The absolute fluorescence quantum yield was as high as 77 % and the stoichiometry between 1 and Cu2+ was determined to be 1:1 using a job plot. An analytical method was developed and successfully used to evaluate the sensor's ability for the fluorescence imaging of Cu2+ in HeLa tumor cells.
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Affiliation(s)
- Hai Xie
- College of Chemistry and Chemical Engineering, Shanxi Datong University, Datong 037009, People's Republic of China.
| | - Qingqing Hu
- College of Chemistry and Chemical Engineering, Shanxi Datong University, Datong 037009, People's Republic of China
| | - Xiuting Qin
- College of Chemistry and Chemical Engineering, Shanxi Datong University, Datong 037009, People's Republic of China
| | - Yali Zhang
- College of Chemistry and Chemical Engineering, Shanxi Datong University, Datong 037009, People's Republic of China
| | - Lu Li
- College of Chemistry and Chemical Engineering, Shanxi Datong University, Datong 037009, People's Republic of China
| | - Ji Li
- College of Chemistry and Chemical Engineering, Shanxi Datong University, Datong 037009, People's Republic of China
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16
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Chen L, Min J, Wang F. Copper homeostasis and cuproptosis in health and disease. Signal Transduct Target Ther 2022; 7:378. [PMID: 36414625 PMCID: PMC9681860 DOI: 10.1038/s41392-022-01229-y] [Citation(s) in RCA: 365] [Impact Index Per Article: 182.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Revised: 08/19/2022] [Accepted: 10/11/2022] [Indexed: 11/24/2022] Open
Abstract
As an essential micronutrient, copper is required for a wide range of physiological processes in virtually all cell types. Because the accumulation of intracellular copper can induce oxidative stress and perturbing cellular function, copper homeostasis is tightly regulated. Recent studies identified a novel copper-dependent form of cell death called cuproptosis, which is distinct from all other known pathways underlying cell death. Cuproptosis occurs via copper binding to lipoylated enzymes in the tricarboxylic acid (TCA) cycle, which leads to subsequent protein aggregation, proteotoxic stress, and ultimately cell death. Here, we summarize our current knowledge regarding copper metabolism, copper-related disease, the characteristics of cuproptosis, and the mechanisms that regulate cuproptosis. In addition, we discuss the implications of cuproptosis in the pathogenesis of various disease conditions, including Wilson's disease, neurodegenerative diseases, and cancer, and we discuss the therapeutic potential of targeting cuproptosis.
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Affiliation(s)
- Liyun Chen
- grid.13402.340000 0004 1759 700XThe Fourth Affiliated Hospital, The First Affiliated Hospital, Institute of Translational Medicine, School of Public Health, State Key Laboratory of Experimental Hematology, Zhejiang University School of Medicine, Hangzhou, China ,grid.412017.10000 0001 0266 8918The First Affiliated Hospital, Basic Medical Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, China
| | - Junxia Min
- The Fourth Affiliated Hospital, The First Affiliated Hospital, Institute of Translational Medicine, School of Public Health, State Key Laboratory of Experimental Hematology, Zhejiang University School of Medicine, Hangzhou, China.
| | - Fudi Wang
- The Fourth Affiliated Hospital, The First Affiliated Hospital, Institute of Translational Medicine, School of Public Health, State Key Laboratory of Experimental Hematology, Zhejiang University School of Medicine, Hangzhou, China. .,The First Affiliated Hospital, Basic Medical Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, China.
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Bai WD, Liu JY, Li M, Yang X, Wang YL, Wang GJ, Li SC. A Novel Cuproptosis-Related Signature Identified DLAT as a Prognostic Biomarker for Hepatocellular Carcinoma Patients. World J Oncol 2022; 13:299-310. [PMID: 36406193 PMCID: PMC9635792 DOI: 10.14740/wjon1529] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 10/13/2022] [Indexed: 01/20/2023] Open
Abstract
BACKGROUND Hepatocellular carcinoma (HCC) is the most common type of liver cancers, with more than a million cases per year by 2025. Cuproptosis is a novel form of programmed cell death, and is caused by mitochondrial lipoylation and destabilization of iron-sulfur proteins triggered by copper, which was considered as a key player in various biological processes. However, the roles of cuproptosis-related genes (CRGs) in HCC remain largely unknown. METHODS In the present study, we constructed and validated a four CRGs signature for predicting the overall survival (OS) of HCC patients in both The Cancer Genome Atlas (TCGA) and International Cancer Genome Consortium (ICGC) databases. RESULTS Patients with high CRGs risk score showed shorter OS than those with low CRGs risk score. Functional analysis suggested that the CRGs-based prognostic signature was associated with metabolism remodeling which facilitated liver cancer progression. In addition, reduced infiltration of CD8+ T cells and increased macrophages were found in HCCs from patients with high CRGs risk score. As one of the four CRGs, higher expression of dihydrolipoamide S-acetyltransferase (DLAT) was accompanied by higher expression of program death ligand 1 (PD-L1) in HCC. Further, we confirmed that DLAT was up-regulated and correlated with poor prognosis in a clinical HCC cohort. CONCLUSION In conclusion, our study constructed a four CRGs signature prognostic model and identified DLAT as an independent prognostic factor for HCC, thus providing new clues for understanding the association between cuproptosis and HCC.
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Affiliation(s)
- Wen Dong Bai
- Department of Hematology, General Hospital of Xinjiang Military Command, Urumqi, Xinjiang, China,These authors contributed equally to this work
| | - Jun Yu Liu
- Department of Gastroenterology, Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, 510060, China,These authors contributed equally to this work
| | - Miao Li
- School of Rehabilitation Medicine, Xinjiang Medical University, Urumqi, Xinjiang, China,These authors contributed equally to this work
| | - Xi Yang
- Department of Medical Service, General Hospital of Xinjiang Military Command, Urumqi, Xinjiang, China
| | - Yu Lan Wang
- Depatment of Pathology, General Hospital of Xinjiang Military Command, Urumqi, Xinjiang, China
| | - Guang Jun Wang
- Department of Medical Service, General Hospital of Xinjiang Military Command, Urumqi, Xinjiang, China,Corresponding Author: Guang Jun Wang, Department of Medical Service, General Hospital of Xinjiang Military Command, 830000 Urumqi, Xinjiang, China. ; Shi Chao Li, Department of Pathology, General Hospital of Xinjiang Military Command, 830000 Urumqi, Xinjiang, China.
| | - Shi Chao Li
- Depatment of Pathology, General Hospital of Xinjiang Military Command, Urumqi, Xinjiang, China,Corresponding Author: Guang Jun Wang, Department of Medical Service, General Hospital of Xinjiang Military Command, 830000 Urumqi, Xinjiang, China. ; Shi Chao Li, Department of Pathology, General Hospital of Xinjiang Military Command, 830000 Urumqi, Xinjiang, China.
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18
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Prognostic Implication of a Cuproptosis-Related miRNA Signature in Hepatocellular Carcinoma. JOURNAL OF HEALTHCARE ENGINEERING 2022; 2022:4694323. [PMID: 36147869 PMCID: PMC9489400 DOI: 10.1155/2022/4694323] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Revised: 08/22/2022] [Accepted: 08/23/2022] [Indexed: 11/17/2022]
Abstract
Background Hepatocellular carcinoma (HCC) is one of the most frequently diagnosed malignancies globally, accounting for the third cause of cancer mortality. Cuproptosis, a copper-induced cell death, was recently reported in Science. The purpose of this study was to evaluate the prognostic implication of cuproptosis-related miRNAs (CRMs) in HCC. Methods Transcriptomic data and clinicopathological features of patients with HCC were extracted from the Cancer Genome Atlas (TCGA) database. Prognostic CRM signature was established by utilizing univariate Cox regression and LASSO analyses. To validate the accuracy of prediction, the Kaplan-Meier (K-M) and time-dependent receiver operating characteristic (ROC) analyses were adopted. A nomogram comprising clinical characteristics and the miRNA signature was developed to improve the prediction of patient outcomes. Finally, functional enrichment analysis and immune infiltration analysis were carried out. Results Of CRMs, 14 were obtained to construct a prognostic miRNA signature. This CRM signature was an independent factor for predicting overall survival (OS). Kaplan-Meier curves demonstrated a noteworthy difference in survival rates between different risk subgroups (p < 0.001). The robust prognostic capacity of this signature was exhibited by sampling verification and stratified survival analysis. Functional analysis indicated that the high-risk group was mainly enriched in signaling pathways and different levels of immune infiltration were revealed between the two risk groups. The potential interaction of the model with the immune checkpoint activities was also detected. Conclusion The CRM signature could act as an independent predictor to guide individual treatment strategies, which could provide fundamental insights for further studies.
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19
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Janisse SE, Sharma VA, Caceres A, Medici V, Heffern MC. Systematic evaluation of Copper(II)-loaded immobilized metal affinity chromatography for selective enrichment of copper-binding species in human serum and plasma. Metallomics 2022; 14:mfac059. [PMID: 35929804 PMCID: PMC9434637 DOI: 10.1093/mtomcs/mfac059] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Accepted: 07/20/2022] [Indexed: 11/12/2022]
Abstract
Copper is essential in a host of biological processes, and disruption of its homeostasis is associated with diseases including neurodegeneration and metabolic disorders. Extracellular copper shifts in its speciation between healthy and disease states, and identifying molecular components involved in these perturbations could widen the panel of biomarkers for copper status. While there have been exciting advances in approaches for studying the extracellular proteome with mass spectrometry-based methods, the typical workflows disrupt metal-protein interactions due to the lability of these bonds either during sample preparation or in gas-phase environments. We sought to develop and apply a workflow to enrich for and identify protein populations with copper-binding propensities in extracellular fluids using an immobilized metal affinity chromatography (IMAC) resin. The strategy was optimized using human serum to allow for maximum quantity and diversity of protein enrichment. Protein populations could be differentiated based on protein load on the resin, likely on account of differences in abundance and affinity. The enrichment workflow was applied to plasma samples from patients with Wilson's disease and protein IDs and differential abundancies relative to healthy subjects were compared to those yielded from a traditional proteomic workflow. While the IMAC workflow preserved differential abundance and protein ID information from the traditional workflow, it identified several additional proteins being differentially abundant including those involved in lipid metabolism, immune system, and antioxidant pathways. Our results suggest the potential for this IMAC workflow to identify new proteins as potential biomarkers in copper-associated disease states.
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Affiliation(s)
- Samuel E Janisse
- Department of Chemistry, University of California Davis, Davis, CA 95616, USA
| | - Vibha A Sharma
- Department of Chemistry, University of California Davis, Davis, CA 95616, USA
| | - Amanda Caceres
- Department of Chemistry, University of California Davis, Davis, CA 95616, USA
| | - Valentina Medici
- Department of Internal Medicine, Division of Gastroenterology and Hepatology, University of California Davis, Sacramento, CA 95817, USA
| | - Marie C Heffern
- Department of Chemistry, University of California Davis, Davis, CA 95616, USA
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20
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Chen L, Lou Z, Fang Y, Pan L, Zhao J, Zeng Y, Wang Y, Wang N, Ruan B. Use of the bibliometric in rare diseases: taking Wilson disease personally. Orphanet J Rare Dis 2022; 17:297. [PMID: 35906666 PMCID: PMC9335981 DOI: 10.1186/s13023-022-02459-7] [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: 04/15/2022] [Accepted: 07/17/2022] [Indexed: 11/26/2022] Open
Abstract
Background Bibliometric have been widely applied to the evaluation of academic productivity. However, those of individuals or institutions on a specific disease have not been explored. The aim of the present study is to conduct a bibliometric analysis of particular rare disease and investigate whether those doctors and hospitals with higher index screened by this method specialize in this disease. Methods A representative rare disease, Wilson disease (WD), was searched on Clarivate Analytics’ Web of Science and Elsevier’s Scopus, which was published in English between 1 January 2001 and 31 December 2020. Clinical authors and medical institutions with the most papers were screened, and their total number of publications and citations, h-index and g-index were computed and then ranked by h-index. Results A total of 6856 and 6193 papers and 200 and 160 authors were got from WoS and Scopus, respectively. Scopus provided 160 institutions. The above bibliometric indices were calculated in 100 researchers and 80 institutions, and top 30 authors (Top-30a) and top 20 institutions (Top-20i) of them based on the h-index were listed in the tables. Top-30a came from seven specialties and 13 countries whose median (interquartile range) h-index was 14 (12–19.5) (range 10–28) which was located between associate and full professors in some other disciplines. Top-20i was distributed in 13 countries whose mean ± standard deviation of the h-index was 15 ± 4.9 (range 10–27). Conclusions The related specialists and medical institutions of WD screened by specific disease bibliometric analysis are eminent and credible and benefit WD patients to obtain reliable medical treatment. This model may be suitable for other rare diseases. Supplementary Information The online version contains supplementary material available at 10.1186/s13023-022-02459-7.
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Affiliation(s)
- Lin Chen
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, No. 79 Qingchun RoadZhejiang Province, Hangzhou, 310003, China
| | - Zhuoqi Lou
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, No. 79 Qingchun RoadZhejiang Province, Hangzhou, 310003, China
| | - Yangxin Fang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, No. 79 Qingchun RoadZhejiang Province, Hangzhou, 310003, China
| | - Liya Pan
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, No. 79 Qingchun RoadZhejiang Province, Hangzhou, 310003, China
| | - Jianhua Zhao
- College of Polytechnic Institute, Zhejiang University, No. 38 Zheda Road, Hangzhou, 310027, Zhejiang, China
| | - Yifan Zeng
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, No. 79 Qingchun RoadZhejiang Province, Hangzhou, 310003, China
| | - Ying Wang
- The Affiliated Hospital of Stomatology, School of Stomatology, Zhejiang University School of Medicine, and Key Laboratory of Oral Biomedical Research of Zhejiang Province, No. 395, Yan'an Road, Hangzhou, 310006, Zhejiang, China
| | - Nan Wang
- Department of Geriatric Endocrinology, The First Affiliated Hospital, Anhui Medical University, No. 218 Jixi Road, Hefei, 230022, Anhui, China
| | - Bing Ruan
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, No. 79 Qingchun RoadZhejiang Province, Hangzhou, 310003, China.
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21
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Gaspar-Cordeiro A, Amaral C, Pobre V, Antunes W, Petronilho A, Paixão P, Matos AP, Pimentel C. Copper Acts Synergistically With Fluconazole in Candida glabrata by Compromising Drug Efflux, Sterol Metabolism, and Zinc Homeostasis. Front Microbiol 2022; 13:920574. [PMID: 35774458 PMCID: PMC9237516 DOI: 10.3389/fmicb.2022.920574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 05/23/2022] [Indexed: 11/18/2022] Open
Abstract
The synergistic combinations of drugs are promising strategies to boost the effectiveness of current antifungals and thus prevent the emergence of resistance. In this work, we show that copper and the antifungal fluconazole act synergistically against Candida glabrata, an opportunistic pathogenic yeast intrinsically tolerant to fluconazole. Analyses of the transcriptomic profile of C. glabrata after the combination of copper and fluconazole showed that the expression of the multidrug transporter gene CDR1 was decreased, suggesting that fluconazole efflux could be affected. In agreement, we observed that copper inhibits the transactivation of Pdr1, the transcription regulator of multidrug transporters and leads to the intracellular accumulation of fluconazole. Copper also decreases the transcriptional induction of ergosterol biosynthesis (ERG) genes by fluconazole, which culminates in the accumulation of toxic sterols. Co-treatment of cells with copper and fluconazole should affect the function of proteins located in the plasma membrane, as several ultrastructural alterations, including irregular cell wall and plasma membrane and loss of cell wall integrity, were observed. Finally, we show that the combination of copper and fluconazole downregulates the expression of the gene encoding the zinc-responsive transcription regulator Zap1, which possibly, together with the membrane transporters malfunction, generates zinc depletion. Supplementation with zinc reverts the toxic effect of combining copper with fluconazole, underscoring the importance of this metal in the observed synergistic effect. Overall, this work, while unveiling the molecular basis that supports the use of copper to enhance the effectiveness of fluconazole, paves the way for the development of new metal-based antifungal strategies.
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Affiliation(s)
- Ana Gaspar-Cordeiro
- Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Oeiras, Portugal
| | - Catarina Amaral
- Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Oeiras, Portugal
| | - Vânia Pobre
- Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Oeiras, Portugal
| | - Wilson Antunes
- Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Oeiras, Portugal
- Centro de Investigação da Academia Militar (CINAMIL), Unidade Militar Laboratorial de Defesa Biológica e Química (UMLDBQ), Lisbon, Portugal
| | - Ana Petronilho
- Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Oeiras, Portugal
| | - Paulo Paixão
- Unidade de Infeção, Faculdade de Ciências Médicas, Chronic Diseases Research Centre – CEDOC, NOVA Medical School, Universidade NOVA de Lisboa, Lisbon, Portugal
- Laboratório de Patologia Clínica – SYNLAB, Hospital da Luz, Lisbon, Portugal
| | - António P. Matos
- Egas Moniz Interdisciplinary Research Centre, Egas Moniz Higher Education Cooperative, Caparica, Portugal
| | - Catarina Pimentel
- Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Oeiras, Portugal
- *Correspondence: Catarina Pimentel,
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22
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Tang CH, Shi SH, Lin CY, Wang WH. Lipid profiling differentiates the effect of ambient microenriched copper on a coral as an advanced tool for biomonitoring. MARINE POLLUTION BULLETIN 2022; 178:113650. [PMID: 35447438 DOI: 10.1016/j.marpolbul.2022.113650] [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: 12/01/2021] [Revised: 04/01/2022] [Accepted: 04/05/2022] [Indexed: 06/14/2023]
Abstract
Copper can be beneficial or harmful to coral at environmentally relevant levels, making environmental monitoring a challenging. Membrane lipids make the cell a dynamic environment according to the circumstances; thus, the lipid profile should be indicative of an environmental/physiological state. To gain more insight into the copper effect on coral health and be a basis of biomonitoring, glycerophosphocholine profiling of coral exposed to microenriched copper levels was conducted in this study. The copper microenrichments resulted in a diacritical effect of decreasing carbonic anhydrase activity, following a supplementation effect, on coral lipid metabolism. Microdifferences in copper levels are critical to determine the coral metabolic state and were therefore included in this study. In addition, an excellent quantitative model correlating the coral lipid variation with the exposed copper levels or the induced physiological effect was obtained to demonstrate its performance for biomonitoring.
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Affiliation(s)
- Chuan-Ho Tang
- National Museum of Marine Biology and Aquarium, Pingtung, Taiwan; Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung, Taiwan.
| | - Shu-Han Shi
- Institute of Marine Biology, National Dong Hwa University, Pingtung, Taiwan
| | - Ching-Yu Lin
- Institute of Occupational Medicine and Industrial Hygiene, College of Public Health, National Taiwan University, Taiwan
| | - Wei-Hsien Wang
- National Museum of Marine Biology and Aquarium, Pingtung, Taiwan; Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung, Taiwan
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23
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Song D, Takahashi G, Zheng YW, Matsuo-Takasaki M, Li J, Takami M, An Y, Hemmi Y, Miharada N, Fujioka T, Noguchi M, Nakajima T, Saito MK, Nakamura Y, Oda T, Miyaoka Y, Hayashi Y. Retinoids rescue ceruloplasmin secretion and alleviate oxidative stress in Wilson's disease-specific hepatocytes. Hum Mol Genet 2022; 31:3652-3671. [PMID: 35388883 PMCID: PMC9616579 DOI: 10.1093/hmg/ddac080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 02/27/2022] [Accepted: 04/03/2022] [Indexed: 11/24/2022] Open
Abstract
Wilson’s disease (WD) is a copper metabolic disorder caused by a defective ATP7B function. Conventional therapies cause severe side effects and significant variation in efficacy, according to cohort studies. Thus, exploring new therapeutic approaches to prevent progression to liver failure is urgent. To study the physiology and pathology of WD, immortalized cell lines and rodent WD models have been used conventionally; however, a large gap remains among different species as well as in genetic backgrounds among individuals. We generated induced pluripotent stem cells (iPSCs) from four WD patients carrying compound heterozygous mutations in the ATP7B gene. ATP7B loss- and gain-of-functions were further manifested with ATP7B-deficient iPSCs and heterozygously corrected R778L WD patient-derived iPSCs using CRISPR-Cas9-based gene editing. Although the expression of ATP7B protein varied among WD-specific hepatocytes differentiated from these iPSCs, the expression and secretion of ceruloplasmin (Cp), a downstream copper carrier in plasma, were consistently decreased in WD patient-derived and ATP7B-deficient hepatocytes. A transcriptome analysis detected abnormalities in the retinoid signaling pathway and lipid metabolism in WD-specific hepatocytes. Drug screening using WD patient-derived hepatocytes identified retinoids as promising candidates for rescuing Cp secretion. All-trans retinoic acid also alleviates reactive oxygen species production induced by lipid accumulation in WD-specific hepatocytes treated with oleic acid. These patient-derived iPSC-based hepatic models function as effective platforms for the development of potential therapeutics for hepatic steatosis in WD and other fatty liver diseases.
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Affiliation(s)
- Dan Song
- iPS Cell Advanced Characterization and Development Team, RIKEN BioResource Research Center, 3-1-1 Koyadai, Tsukuba, Ibaraki, 305-0074, Japan.,Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Faculty of Medicine, University of Tsukuba, Tennodai 1-1-1, Tsukuba, Ibaraki, 305-8575, Japan
| | - Gou Takahashi
- Regenerative Medicine Project, Tokyo Metropolitan Institute of Medical Science, 2-1-6 Kamikitazawa, Setagaya-ku, Tokyo, 156-8506, Japan
| | - Yun-Wen Zheng
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Faculty of Medicine, University of Tsukuba, Tennodai 1-1-1, Tsukuba, Ibaraki, 305-8575, Japan
| | - Mami Matsuo-Takasaki
- iPS Cell Advanced Characterization and Development Team, RIKEN BioResource Research Center, 3-1-1 Koyadai, Tsukuba, Ibaraki, 305-0074, Japan
| | - Jingyue Li
- iPS Cell Advanced Characterization and Development Team, RIKEN BioResource Research Center, 3-1-1 Koyadai, Tsukuba, Ibaraki, 305-0074, Japan
| | - Miho Takami
- iPS Cell Advanced Characterization and Development Team, RIKEN BioResource Research Center, 3-1-1 Koyadai, Tsukuba, Ibaraki, 305-0074, Japan
| | - Yuri An
- iPS Cell Advanced Characterization and Development Team, RIKEN BioResource Research Center, 3-1-1 Koyadai, Tsukuba, Ibaraki, 305-0074, Japan
| | - Yasuko Hemmi
- iPS Cell Advanced Characterization and Development Team, RIKEN BioResource Research Center, 3-1-1 Koyadai, Tsukuba, Ibaraki, 305-0074, Japan
| | - Natsumi Miharada
- Cell Engineering Division, BioResource Research Center, RIKEN, 3-1-1 Koyadai, Tsukuba, Ibaraki 305-0074, Japan
| | - Tsuyoshi Fujioka
- Cell Engineering Division, BioResource Research Center, RIKEN, 3-1-1 Koyadai, Tsukuba, Ibaraki 305-0074, Japan
| | - Michiya Noguchi
- Cell Engineering Division, BioResource Research Center, RIKEN, 3-1-1 Koyadai, Tsukuba, Ibaraki 305-0074, Japan
| | - Takashi Nakajima
- Niigata National Hospital, National Hospital Organization (NHO), 3-52 Akasaka Kashiwazaki, Niigata 945-8585 Japan
| | - Megumu K Saito
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan
| | - Yukio Nakamura
- Cell Engineering Division, BioResource Research Center, RIKEN, 3-1-1 Koyadai, Tsukuba, Ibaraki 305-0074, Japan
| | - Tatsuya Oda
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Faculty of Medicine, University of Tsukuba, Tennodai 1-1-1, Tsukuba, Ibaraki, 305-8575, Japan
| | - Yuichiro Miyaoka
- Regenerative Medicine Project, Tokyo Metropolitan Institute of Medical Science, 2-1-6 Kamikitazawa, Setagaya-ku, Tokyo, 156-8506, Japan.,Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo 113-8510, Japan.,Graduate School of Humanities and Sciences, Ochanomizu University, 2-1-1 Otsuka, Bunkyo-ku, Tokyo 112-0012, Japan
| | - Yohei Hayashi
- iPS Cell Advanced Characterization and Development Team, RIKEN BioResource Research Center, 3-1-1 Koyadai, Tsukuba, Ibaraki, 305-0074, Japan
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Wahyuni DS, Latif H, Sudarwanto MB, Basri C, Thong D. An investigation of heavy metals in edible bird's nest from Indonesia using inductively coupled plasma mass spectrometry. Vet World 2022; 15:509-516. [PMID: 35400939 PMCID: PMC8980377 DOI: 10.14202/vetworld.2022.509-516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Accepted: 01/20/2022] [Indexed: 11/23/2022] Open
Abstract
Background and Aim: In 2020, Indonesia, which has the highest global production of edible bird’s nest (EBNs), exported up to 1312.5 tons of this product at a value of USD 540.4 million. Recently, food safety aspects related to EBNs, including contamination with heavy metals, have become a serious concern. However, data on the presence and concentration of heavy metals in EBNs in Indonesia are not yet available. This study aimed to determine and compare the presence and concentrations of arsenic (As), mercury (Hg), lead (Pb), cadmium (Cd), and tin (Sn) in EBNs originating from several primary Indonesian islands. The study also analyzed the effect of washing on the heavy metal content in EBNs. Materials and Methods: A study on 44 swiftlet farmhouses (SFHs) was conducted to determine the concentrations of heavy metals in EBNs. The number of samples from the SFHs was allocated proportionally to the main EBN-producing islands in Indonesia, that is, Kalimantan, Sumatera, Sulawesi, and Java (22, 13, 7, and 2, respectively). The concentrations of the above five elements in the samples before washing (raw–unclean EBNs) and after washing (raw–clean EBNs) were determined by inductively coupled plasma mass spectrometry. Washing was conducted according to the general procedures at an EBN processing plant. Results: The raw–unclean EBNs from the four islands contained As, Pb, Cd, and Sn at varying concentrations. However, Hg was not detected in the raw–unclean EBN samples from Sulawesi. The raw–unclean EBNs from Kalimantan had lower concentrations of Pb and Cd compared with the other islands. The concentrations of As, Pb, Cd, and Sn in the EBNs decreased significantly after washing with clean water. Conclusion: Heavy metals (As, Hg, Pb, Cd, and Sn) were detected at a low level in most of the raw–unclean EBNs originating from the main Indonesian island where they were produced. The concentrations of all the heavy metals reviewed in the raw–unclean EBNs samples decreased significantly after washing.
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Affiliation(s)
- Dede Sri Wahyuni
- Veterinary Public Health Study Program, Faculty of Veterinary Medicine, IPB University, Bogor, Indonesia; Soekarno Hatta Agricultural Quarantine Center, Agricultural Quarantine Agency, Agricultural Quarantine Building Soekarno Hatta International Airport, Pajang, Benda, Tangerang City, Banten 15126, Indonesia
| | - Hadri Latif
- Department of Animal Infectious Diseases and Veterinary Public Health, Faculty of Veterinary Medicine, IPB University, Bogor, Indonesia
| | - Mirnawati B. Sudarwanto
- Department of Animal Infectious Diseases and Veterinary Public Health, Faculty of Veterinary Medicine, IPB University, Bogor, Indonesia
| | - Chaerul Basri
- Department of Animal Infectious Diseases and Veterinary Public Health, Faculty of Veterinary Medicine, IPB University, Bogor, Indonesia
| | - Daniel Thong
- Chairperson of the Farmers Association Edible Bird Nest Nusantara, Tangerang, Banten, Indonesia
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25
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Karim S, Dasgupta S, Parveen R, Biswas S, Das D. A mechanistic approach for in‐vitro anticancer activity via nucleic acid fragmentation by copper(II) complex anchored on MCM‐41. Appl Organomet Chem 2022. [DOI: 10.1002/aoc.6571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Suhana Karim
- Department of Chemistry University of Calcutta Kolkata India
| | | | - Rumana Parveen
- Department of Chemistry University of Calcutta Kolkata India
| | - Subhendu Biswas
- Department of Chemistry University of Calcutta Kolkata India
| | - Debasis Das
- Department of Chemistry University of Calcutta Kolkata India
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26
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LAN S, MENG Y, Wang M, YANG J, LI G, MOU R, ZHANG Y, LI X, CHEN F, BI R, ZHAO Y. Purple wheat alleviates dyslipidaemia in rat model. FOOD SCIENCE AND TECHNOLOGY 2022. [DOI: 10.1590/fst.01021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Suque LAN
- Hebei Academy of Agriculture and Forestry Sciences, P. R. China
| | - Yaning MENG
- Hebei Academy of Agriculture and Forestry Sciences, P. R. China
| | - Mian Wang
- The Second Hospital of Hebei Medical University, P. R. China
| | - Jian YANG
- Shijiazhuang Agricultural and Rural Bureau, P. R. China
| | - Guangwei LI
- Hebei Academy of Agriculture and Forestry Sciences, P. R. China
| | - Rongfei MOU
- The Second Hospital of Hebei Medical University, P. R. China
| | - Yelun ZHANG
- Hebei Academy of Agriculture and Forestry Sciences, P. R. China
| | - Xingpu LI
- Hebei Academy of Agriculture and Forestry Sciences, P. R. China
| | - Feng CHEN
- The Second Hospital of Hebei Medical University, P. R. China
| | - Ranran BI
- The Second Hospital of Hebei Medical University, P. R. China
| | - Yanyan ZHAO
- Hebei Academy of Agriculture and Forestry Sciences, P. R. China
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Gottlieb A, Dev S, DeVine L, Gabrielson KL, Cole RN, Hamilton JP, Lutsenko S. Hepatic Steatosis in the Mouse Model of Wilson Disease Coincides with a Muted Inflammatory Response. THE AMERICAN JOURNAL OF PATHOLOGY 2022; 192:146-159. [PMID: 34627751 PMCID: PMC8759043 DOI: 10.1016/j.ajpath.2021.09.010] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 08/25/2021] [Accepted: 09/15/2021] [Indexed: 01/03/2023]
Abstract
Wilson disease (WND) is caused by inactivation of the copper transporter ATP7B and copper accumulation in tissues. WND presentations vary from liver steatosis to inflammation, fibrosis, and liver failure. Diets influence the liver phenotype in WND, but findings are inconsistent. To better understand the impact of excess calories on liver phenotype in WND, the study compared C57BL/6J Atp7b-/- and C57BL/6J mice fed for 12 weeks with Western diet or normal chow. Serum and liver metabolites, body fat content, liver histology, hepatic proteome, and copper content were analyzed. Wild-type and Atp7b-/- livers showed striking similarities in their responses to Western diet, most notably down-regulation of cholesterol biosynthesis, altered nuclear receptor signaling, and changes in cytoskeleton. Western diet increased body fat content and induced liver steatosis in males and females regardless of genotype; however, the effects were less pronounced in Atp7b-/- mice compared with those in the wild type mice. Although hepatic copper remained elevated in Atp7b-/- mice, liver inflammation was reduced. The diet diminished signaling by Rho GTPases, integrin, IL8, and reversed changes in cell cycle machinery and cytoskeleton. Overall, high calories decreased inflammatory response in favor of steatosis without improving markers of cell viability. Similar changes of cellular pathways during steatosis development in wild-type and Atp7b-/- mice explain histologic overlap between WND and non-alcoholic fatty liver disease despite opposite copper changes in these disorders.
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Affiliation(s)
- Aline Gottlieb
- Department of Physiology, Johns Hopkins University School of Medicine, Baltimore, Maryland.
| | - Som Dev
- Department of Physiology, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Lauren DeVine
- Mass Spectrometry and Proteomics Core, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Kathleen L Gabrielson
- Department of Molecular and Comparative Pathobiology, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Robert N Cole
- Mass Spectrometry and Proteomics Core, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - James P Hamilton
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Svetlana Lutsenko
- Department of Physiology, Johns Hopkins University School of Medicine, Baltimore, Maryland.
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Zhi Y, Sun Y, Jiao Y, Pan C, Wu Z, Liu C, Su J, Zhou J, Shang D, Niu J, Hua R, Yin P. HR-MS Based Untargeted Lipidomics Reveals Characteristic Lipid Signatures of Wilson's Disease. Front Pharmacol 2021; 12:754185. [PMID: 34880754 PMCID: PMC8645799 DOI: 10.3389/fphar.2021.754185] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 11/02/2021] [Indexed: 11/13/2022] Open
Abstract
Background and Aims: The diagnosis of Wilson's disease (WD) is challenging by clinical or genetic criteria. A typical early pathological change of WD is the increased liver lipid deposition and lowered serum triglyceride (TG). Therefore, the contents of serum lipids may provide evidence for screening of biomarkers for WD. Methods: 34 WD patients, 31 WD relatives, and 65 normal controls were enrolled in this study. Serum lipidomics data was acquired by an ultra-high-performance liquid chromatography high-resolution mass spectrometry system, and the data were analyzed by multivariate statistical methods. Results: Of all 510 identified lipids, there are 297 differential lipids between the WD and controls, 378 differential lipids between the relatives and controls, and 119 differential lipids between the patients and relatives. In WD, the abundances of most saturated TG were increased, whereas other unsaturated lipids decreased, including phosphatidylcholine (PC), sphingomyelin (SM), lysophosphatidylcholine (LPC), ceramide (Cer), and phosphatidylserine (PS). We also found many serum lipid species may be used as biomarkers for WD. The areas under the receiver operating characteristic curve (AUC) of PS (35:0), PS (38:5), and PS (34:0) were 0.919, 0.843, and 0.907. The AUCs of TG (38:0) and CerG1 (d42:2) were 0.948 and 0.915 and the AUCs of LPC (17:0) and LPC (15:0) were 0.980 and 0.960, respectively. The lipid biomarker panel exhibits good diagnostic performance for WD. The correlation networks were built among the different groups and the potential mechanisms of differential lipids were discussed. Interestingly, similar lipid profile of WD is also found in their relatives, which indicated the changes may also related to the mutation of the ATP7B gene. Conclusions: Lipid deregulation is another important hallmark of WD besides the deposition of copper. Our lipidomic results provide new insights into the diagnostic and therapeutic targets of WD.
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Affiliation(s)
- Yixiao Zhi
- Clinical Laboratory of Integrative Medicine, First Affiliated Hospital of Dalian Medical University, Dalian, China.,Department of Hepatology, The First Hospital of Jilin University, Changchun, China
| | - Yujiao Sun
- Clinical Laboratory of Integrative Medicine, First Affiliated Hospital of Dalian Medical University, Dalian, China.,Institute of Integrative Medicine, Dalian Medical University, Dalian, China
| | - Yonggeng Jiao
- Department of Anesthesiology Jilin Province FAW General Hospital, Changchun, China
| | - Chen Pan
- Clinical Laboratory of Integrative Medicine, First Affiliated Hospital of Dalian Medical University, Dalian, China.,Department of General Surgery, First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Zeming Wu
- iPhenome biotechnology Inc. Dalian (Yun Pu Kang), Dalian, China
| | - Chang Liu
- Clinical Laboratory of Integrative Medicine, First Affiliated Hospital of Dalian Medical University, Dalian, China.,Institute of Integrative Medicine, Dalian Medical University, Dalian, China
| | - Jie Su
- Department of Hepatology, The First Hospital of Jilin University, Changchun, China
| | - Jie Zhou
- Department of Hepatology, The First Hospital of Jilin University, Changchun, China
| | - Dong Shang
- Clinical Laboratory of Integrative Medicine, First Affiliated Hospital of Dalian Medical University, Dalian, China.,Department of Hepatology, The First Hospital of Jilin University, Changchun, China.,Department of General Surgery, First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Junqi Niu
- Department of Hepatology, The First Hospital of Jilin University, Changchun, China
| | - Rui Hua
- Department of Hepatology, The First Hospital of Jilin University, Changchun, China
| | - Peiyuan Yin
- Clinical Laboratory of Integrative Medicine, First Affiliated Hospital of Dalian Medical University, Dalian, China.,Institute of Integrative Medicine, Dalian Medical University, Dalian, China
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Li F, Wu X, Liu H, Zhang B, Liu L, Li F. Dietary copper supplementation enhances lipolysis in Rex rabbits. J Trace Elem Med Biol 2021; 68:126851. [PMID: 34464873 DOI: 10.1016/j.jtemb.2021.126851] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2021] [Revised: 07/30/2021] [Accepted: 08/24/2021] [Indexed: 12/19/2022]
Abstract
BACKGROUND Copper is an important regulator of lipid metabolism in mammals, as a cofactor of many enzymes and is involved in the lipolysis. Copper deficiency has been considered as a significant factor in human diseases related to abnormal lipid metabolism, while adding copper to the diet seems to be the simplest and most effective way to prevent copper deficiency. AIMS The aim of this study was to investigate the effects of dietary copper level on lipid metabolism in Rex Rabbits. METHODS A total of 120 90-d-old Rex Rabbits were randomly allotted into three treatments, with 40 replicates (20 males, 20 females) in each treatment (1 rabbit per replicate). The diets included 1) control (8.4 mg/kg), normal-copper diet (39.1 mg/kg), 3) high-copper diet (67.5 mg/kg). The trial including a one-week adaptation period and a five-week experimental period. RESULT The results showed that copper (39.1 mg/kg) diet increased average daily feed intake (ADFI) (P<0.05, N = 34), and tended to increase the final body weight (FBW) (P = 0.0556, N = 34). Moreover, dietary copper addition (39.1 and 67.5 mg/kg) significantly increased the foreleg and hindleg weight (P<0.05, N = 8), and decreased the weight of Perirenal fat and the concentration of triglycerides (TG) in the liver (P<0.05, N = 8). The concentration of triglycerides (TG), epinephrine (EPI), and glucagon (GC) in serum were obviously higher than that in control group (P<0.05, N = 8), and the concentration of insulin (INS), and very low-density lipoprotein (VLDL) in serum were significantly decreased (P<0.05, N = 8). The copper group (39.1 mg/kg) showed up-regulated gene expression levels of carnitine palmitoyl transferases (CPT-1 and CPT-2) and peroxisome proliferator-activated receptor (PPAR-α) in liver (P < 0.05, N = 8) and down-regulated gene expression levels of fatty acid synthase (FAS) and Acetyl-CoA carboxylase (ACC) (P < 0.05, N = 8). In skeletal muscle, CPT-1, CPT-2, PPAR-α, fatty acid transport protein (FATP), fatty acid-binding protein (FABP) and lipoprotein lipase (LPL) levels were significantly up-regulated by copper treatment (P < 0.05, N = 8). Rex Rabbits receiving copper addition had higher CPT-1, CPT-2, PPAR-a and hormone-sensitive lipase (HSL) mRNA levels in adipose tissue (P < 0.05, N = 8). CONCLUSION Copper diets promoted skeletal muscle growth and reduced fat accumulation by enhancing fatty acid oxidation, at the same time, dietary copper inhibited De novo lipogenesis in the liver. PPAR-α signaling in liver, skeletal muscle and adipose tissues were involved in the regulation of lipid metabolism by copper.
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Affiliation(s)
- Fan Li
- College of Animal Science and Technology, Shandong Agricultural University, Tai'an, 271018, People's Republic of China
| | - Xiaojing Wu
- College of Animal Science and Technology, Shandong Agricultural University, Tai'an, 271018, People's Republic of China
| | - Hongli Liu
- College of Animal Science and Technology, Shandong Agricultural University, Tai'an, 271018, People's Republic of China
| | - Bin Zhang
- College of Animal Science and Technology, Shandong Agricultural University, Tai'an, 271018, People's Republic of China
| | - Lei Liu
- College of Animal Science and Technology, Shandong Agricultural University, Tai'an, 271018, People's Republic of China
| | - Fuchang Li
- College of Animal Science and Technology, Shandong Agricultural University, Tai'an, 271018, People's Republic of China.
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Schroeder SM, Matsukuma KE, Medici V. Wilson disease and the differential diagnosis of its hepatic manifestations: a narrative review of clinical, laboratory, and liver histological features. ANNALS OF TRANSLATIONAL MEDICINE 2021; 9:1394. [PMID: 34733946 PMCID: PMC8506558 DOI: 10.21037/atm-21-2264] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Accepted: 07/25/2021] [Indexed: 01/05/2023]
Abstract
Objective The goal of the present work is to provide an overview of the differential diagnosis of Wilson disease. Background Wilson disease is a rare condition due to copper accumulation primarily in the liver and brain. Although there is no definitive cure, current anti-copper treatments are associated with better outcomes if initiated early and if the diagnosis is made promptly. However, diagnostic delays are frequent and often Wilson disease represents a diagnostic challenge. The diagnosis ultimately relies on a combination of clinical, laboratory and genetic findings, and it is crucial that clinicians list Wilson disease in their differential diagnosis, especially in patients presenting with a hepatocellular pattern of liver injury. Some biochemical and liver histological features of Wilson disease overlap with those of more common conditions including nonalcoholic fatty liver disease, alcohol-associated liver disease, and autoimmune hepatitis. In particular, hepatic steatosis, hepatocyte glycogenated nuclei, ballooning degeneration, and Mallory-Denk bodies are often identified in Wilson disease as well as more common liver diseases. In addition, the natural history of liver damage in Wilson disease and the risk of developing liver cancer are largely understudied. Methods We conducted an enlarged review of published papers on Wilson disease focusing on its diagnosis and distinctive clinical and liver pathology features in relation to common non-cholestatic liver diseases with the final goal in aiding clinicians in the diagnostic process of this rare but treatable condition. Conclusions Aside from markedly altered copper metabolism, Wilson disease has essentially no pathognomonic features that can distinguish it from more common liver diseases. Clinicians should be aware of this challenge and consider Wilson disease in patients presenting with a hepatocellular pattern of liver injury.
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Affiliation(s)
- Shannon M Schroeder
- Department of Internal Medicine, University of California Davis, Sacramento, CA, USA
| | - Karen E Matsukuma
- Department of Pathology and Laboratory Medicine, University of California Davis, Sacramento, CA, USA
| | - Valentina Medici
- Department of Internal Medicine, Division of Gastroenterology and Hepatology, University of California Davis, Sacramento, CA, USA
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31
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Lutsenko S. Dynamic and cell-specific transport networks for intracellular copper ions. J Cell Sci 2021; 134:272704. [PMID: 34734631 DOI: 10.1242/jcs.240523] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Copper (Cu) homeostasis is essential for the development and function of many organisms. In humans, Cu misbalance causes serious pathologies and has been observed in a growing number of diseases. This Review focuses on mammalian Cu(I) transporters and highlights recent studies on regulation of intracellular Cu fluxes. Cu is used by essential metabolic enzymes for their activity. These enzymes are located in various intracellular compartments and outside cells. When cells differentiate, or their metabolic state is otherwise altered, the need for Cu in different cell compartments change, and Cu has to be redistributed to accommodate these changes. The Cu transporters SLC31A1 (CTR1), SLC31A2 (CTR2), ATP7A and ATP7B regulate Cu content in cellular compartments and maintain Cu homeostasis. Increasing numbers of regulatory proteins have been shown to contribute to multifaceted regulation of these Cu transporters. It is becoming abundantly clear that the Cu transport networks are dynamic and cell specific. The comparison of the Cu transport machinery in the liver and intestine illustrates the distinct composition and dissimilar regulatory response of their Cu transporters to changing Cu levels.
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Affiliation(s)
- Svetlana Lutsenko
- Johns Hopkins Medical Institutes, Department of Physiology, Baltimore, MD 21205, USA
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Bayramoglu Akkoyun M, Temel Y, Bengü AŞ, Akkoyun HT. Ameliorative effects of astaxanthin against copper(II) ion-induced alteration of pentose phosphate pathway and antioxidant system enzymes in rats. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:62919-62926. [PMID: 34218382 DOI: 10.1007/s11356-021-15017-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Accepted: 06/16/2021] [Indexed: 06/13/2023]
Abstract
Copper (Cu) is one of the toxic elements that cause environmental pollution. As a result of excessive accumulation of copper in the organism, it causes damage in various organs and tissues and hemolysis in erythrocytes. Astaxanthin (ATX) is a pigment belonging to the xanthophyll family, which is an oxygenated derivative of carotenoids. Thanks to its powerful antioxidant properties, ATX has an extraordinary potential to protect the organism against various diseases, especially cancer. The main objective of this study was to investigate the toxic effect of copper ions on the glucose 6-phosphate dehydrogenase (G6PD), 6-phospho-gluconate dehydrogenase (6PGD), glutathione reductase (GR), glutathione S-transferase (GST), and thioredoxin reductase (TrxR) enzymes and the role of astaxanthin in reducing this effect. In in vivo study, Wistar Albino male rats (n=28) were randomly divided into 4 groups: the control group, copper (Cu2+) group, astaxanthin (ATX) group, and copper + astaxanthin (Cu2++ATX) group. The results show that G6PD enzyme activity in Cu2+ group was strongly inhibited (p ˂ 0.05), while in other groups, there were no significant effects compared to the control group (p ⩾ 0.05). 6PGD enzyme activity was significantly reduced in Cu2+ group compared to that in the control group (p ˂ 0.05), and GR enzyme activity was lower in Cu2+ group compared to that in the control group (p ˂ 0.05). Similarly, when GST enzyme activity was evaluated, a strong decrease was observed in the Cu2+ group compared to that in the control group (p ˂ 0.05), while the enzyme activity in the Cu2++ATX group approached the control group (p ⩾ 0.05). When TrxR enzyme activity level was examined, a statistically significant decrease was observed in the Cu2+ and Cu2++ATX groups (p ˂ 0.05), and the enzyme activity in the ATX group was found to be close to that in the control group. When in vitro results were evaluated, it was observed that copper ions inhibited G6PD enzyme purified from rat erythrocyte tissues with IC50=1.90 μM value and Ki = 0.97 μM ± 0.082 value and the inhibition was non-competitive. From the results, it can be concluded that Cu2+ ions have an inhibitory effect on rat erythrocyte pentose phosphate pathway and antioxidant system enzymes both in vivo and in vitro, and astaxanthin reduces this effect.
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Affiliation(s)
| | - Yusuf Temel
- Solhan Health Services Vocational School, Bingöl University, Bingöl, Turkey.
| | - Aydın Şükrü Bengü
- Bingöl University, Health Services Vocational School, Bingöl, Turkey
| | - Hürrem Turan Akkoyun
- Faculty of Veterinary, Department of Physiology, Siirt University, Siirt, Turkey
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The Impact of Zn, Cu and Fe Chelates on the Fatty-Acid Profile and Dietary Value of Broiler-Chicken Thigh Meat. Animals (Basel) 2021; 11:ani11113115. [PMID: 34827847 PMCID: PMC8614274 DOI: 10.3390/ani11113115] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 10/27/2021] [Accepted: 10/28/2021] [Indexed: 01/05/2023] Open
Abstract
Simple Summary Poultry meat is deemed a product with a dietary value. The chemical composition of meat can be altered by modifying animals’ diets. Our objective was to show the impact of the addition of glycine chelates of minerals (Zn, Cu, Fe) to broiler chickens’ feed on the fatty-acid profile and dietary value of thigh meat. A positive effect was most frequently noted for Zn chelate, especially in a larger dose. The lowest levels of saturated fatty acids and atherogenic and thrombogenic indices but the highest content of polyunsaturated fatty acids n−3 and polyunsaturated fatty acids/saturated fatty acid ratios and hypocholesterolemic/hypercholesterolemic indices were noticed. The use of Cu and Fe glycine chelates was worse than Zn but did not meet the levels from the control group. These types of treatments are important in order to ensure correct functions of the body and can mitigate or even prevent the occurrence of many diseases. Abstract This study aimed to compare the effect of Zn, Cu and Fe glycine chelates on the proximate composition, cholesterol levels, fatty-acid profile and dietary value of the thigh meat of broiler chickens. The experiment involved three hundred and fifty Ross 308 chickens divided into seven groups. The chickens were administered Zn, Cu and Fe glycine chelates in an amount corresponding to 50% of the requirement or 25% of the requirement for 42 days. It was found that the use of Zn, Cu and Fe glycine chelates did affect the fatty acid profile and dietary value of meat. A positive impact was most frequently (p < 0.05) noted in chickens receiving Zn chelate in an amount covering 50% of the requirement: the lowest levels of SFA and atherogenic and thrombogenic indices, the highest content of PUFA n−3 and PUFA/SFA ratios and hypocholesterolemic/hypercholesterolemic indices. Positive effects were more often recorded for chickens receiving Zn in an amount corresponding to 50% of the requirement. The results did not show that the use of Cu and Fe glycine chelates can reduce the dietary value of thigh meat in broiler chickens since, generally, the outcomes were not worse than those in the control group. It should be highlighted that due to ambiguous results, it is impossible to determine a dose of Cu and Fe glycine chelate which would be more efficient for broiler chickens. However, chickens receiving chelates in amounts corresponding to 25% of the requirement showed far better results.
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The Role of Copper in the Regulation of Ferroportin Expression in Macrophages. Cells 2021; 10:cells10092259. [PMID: 34571908 PMCID: PMC8469096 DOI: 10.3390/cells10092259] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 08/22/2021] [Accepted: 08/24/2021] [Indexed: 11/17/2022] Open
Abstract
The critical function of ferroportin (Fpn) in maintaining iron homeostasis requires complex and multilevel control of its expression. Besides iron-dependent cellular and systemic control of Fpn expression, other metals also seem to be involved in regulating the Fpn gene. Here, we found that copper loading significantly enhanced Fpn transcription in an Nrf2-dependent manner in primary bone-marrow-derived macrophages (BMDMs). However, prolonged copper loading resulted in decreased Fpn protein abundance. Moreover, CuCl2 treatment induced Fpn expression in RAW 264.7 macrophages at both the mRNA and protein level. These data suggest that cell-type-specific regulations have an impact on Fpn protein stability after copper loading. Transcriptional suppression of Fpn after lipopolysaccharide (LPS) treatment contributes to increased iron storage inside macrophages and may result in anemia of inflammation. Here, we observed that in both primary BMDMs and RAW 264.7 macrophages, LPS treatment significantly decreased Fpn mRNA levels, but concomitant CuCl2 stimulation counteracted the transcriptional suppression of Fpn and restored its expression to the control level. Overall, we show that copper loading significantly enhances Fpn transcription in macrophages, while Fpn protein abundance in response to CuCl2 treatment, depending on macrophage type and factors specific to the macrophage population, can influence Fpn regulation in response to copper loading.
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Maung MT, Carlson A, Olea-Flores M, Elkhadragy L, Schachtschneider KM, Navarro-Tito N, Padilla-Benavides T. The molecular and cellular basis of copper dysregulation and its relationship with human pathologies. FASEB J 2021; 35:e21810. [PMID: 34390520 DOI: 10.1096/fj.202100273rr] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 06/23/2021] [Accepted: 07/07/2021] [Indexed: 12/16/2022]
Abstract
Copper (Cu) is an essential micronutrient required for the activity of redox-active enzymes involved in critical metabolic reactions, signaling pathways, and biological functions. Transporters and chaperones control Cu ion levels and bioavailability to ensure proper subcellular and systemic Cu distribution. Intensive research has focused on understanding how mammalian cells maintain Cu homeostasis, and how molecular signals coordinate Cu acquisition and storage within organs. In humans, mutations of genes that regulate Cu homeostasis or facilitate interactions with Cu ions lead to numerous pathologic conditions. Malfunctions of the Cu+ -transporting ATPases ATP7A and ATP7B cause Menkes disease and Wilson disease, respectively. Additionally, defects in the mitochondrial and cellular distributions and homeostasis of Cu lead to severe neurodegenerative conditions, mitochondrial myopathies, and metabolic diseases. Cu has a dual nature in carcinogenesis as a promotor of tumor growth and an inducer of redox stress in cancer cells. Cu also plays role in cancer treatment as a component of drugs and a regulator of drug sensitivity and uptake. In this review, we provide an overview of the current knowledge of Cu metabolism and transport and its relation to various human pathologies.
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Affiliation(s)
- May T Maung
- Department of Molecular Biology and Biochemistry, Wesleyan University, Middletown, CT, USA
| | - Alyssa Carlson
- Department of Molecular Biology and Biochemistry, Wesleyan University, Middletown, CT, USA
| | - Monserrat Olea-Flores
- Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero, Guerrero, Mexico
| | - Lobna Elkhadragy
- Department of Radiology, University of Illinois at Chicago, Chicago, IL, USA
| | - Kyle M Schachtschneider
- Department of Radiology, University of Illinois at Chicago, Chicago, IL, USA.,Department of Biochemistry & Molecular Genetics, University of Illinois at Chicago, Chicago, IL, USA.,National Center for Supercomputing Applications, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Napoleon Navarro-Tito
- Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero, Guerrero, Mexico
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Copper and lipid metabolism: A reciprocal relationship. Biochim Biophys Acta Gen Subj 2021; 1865:129979. [PMID: 34364973 DOI: 10.1016/j.bbagen.2021.129979] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 08/02/2021] [Accepted: 08/02/2021] [Indexed: 11/23/2022]
Abstract
BACKGROUND Copper and lipid metabolism are intimately linked, sharing a complex, inverse relationship in the periphery (outside of the central nervous system), which remains to be fully elucidated. SCOPE Copper and lipids have independently been implicated in the pathogenesis of diseases involving dyslipidaemia, including obesity, cardiovascular disease and non-alcoholic fatty liver disease and also in Wilson disease, an inherited disorder of copper overload. Here we review the relationship between copper and lipid regulatory pathways, which are potential druggable targets for therapeutic intervention. MAJOR CONCLUSIONS While the inverse relationship between copper and lipids is apparent, tissue-specific roles for the copper regulatory protein, ATP7B provide further insight into the association between copper and lipid metabolism. GENERAL SIGNIFICANCE Understanding the relationship between copper and lipid metabolism is important for identifying druggable targets for diseases with disrupted copper and/or lipid metabolism; and may reveal similar connections within the brain and in neurological diseases with impaired copper and lipid transport.
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Zahra KF, Lefter R, Ali A, Abdellah EC, Trus C, Ciobica A, Timofte D. The Involvement of the Oxidative Stress Status in Cancer Pathology: A Double View on the Role of the Antioxidants. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:9965916. [PMID: 34394838 PMCID: PMC8360750 DOI: 10.1155/2021/9965916] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Accepted: 07/19/2021] [Indexed: 12/24/2022]
Abstract
Oxygen-free radicals, reactive oxygen species (ROS) or reactive nitrogen species (RNS), are known by their "double-sided" nature in biological systems. The beneficial effects of ROS involve physiological roles as weapons in the arsenal of the immune system (destroying bacteria within phagocytic cells) and role in programmed cell death (apoptosis). On the other hand, the redox imbalance in favor of the prooxidants results in an overproduction of the ROS/RNS leading to oxidative stress. This imbalance can, therefore, be related to oncogenic stimulation. High levels of ROS disrupt cellular processes by nonspecifically attacking proteins, lipids, and DNA. It appears that DNA damage is the key player in cancer initiation and the formation of 8-OH-G, a potential biomarker for carcinogenesis. The harmful effect of ROS is neutralized by an antioxidant protection treatment as they convert ROS into less reactive species. However, contradictory epidemiological results show that supplementation above physiological doses recommended for antioxidants and taken over a long period can lead to harmful effects and even increase the risk of cancer. Thus, we are describing here some of the latest updates on the involvement of oxidative stress in cancer pathology and a double view on the role of the antioxidants in this context and how this could be relevant in the management and pathology of cancer.
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Affiliation(s)
- Kamal Fatima Zahra
- Faculty of Sciences and Techniques, Laboratory of Physical Chemistry of Processes and Materials/Agri-Food and Health, Hassan First University, B.P. 539, 26000 Settat, Morocco
| | - Radu Lefter
- Center of Biomedical Research, Romanian Academy, 8th Carol I Avenue, 700506 Iasi, Romania
| | - Ahmad Ali
- Department of Life Sciences, University of Mumbai, Vidyanagari, Santacruz (East), Mumbai 400098, India
| | - Ech-Chahad Abdellah
- Faculty of Sciences and Techniques, Laboratory of Physical Chemistry of Processes and Materials, Hassan First University, B.P. 539, 26000 Settat, Morocco
| | - Constantin Trus
- Department of Morphological and Functional Sciences, Faculty of Medicine, Dunarea de Jos University, 800008 Galati, Romania
| | - Alin Ciobica
- Department of Biology, Faculty of Biology, Alexandru Ioan Cuza University, 11th Carol I Avenue, 700506 Iasi, Romania
| | - Daniel Timofte
- Faculty of Medicine, “Grigore T. Popa”, University of Medicine and Pharmacy, Strada Universitatii 16, 700115 Iasi, Romania
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Copper Toxicity Is Not Just Oxidative Damage: Zinc Systems and Insight from Wilson Disease. Biomedicines 2021; 9:biomedicines9030316. [PMID: 33804693 PMCID: PMC8003939 DOI: 10.3390/biomedicines9030316] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 03/13/2021] [Accepted: 03/17/2021] [Indexed: 12/13/2022] Open
Abstract
Essential metals such as copper (Cu) and zinc (Zn) are important cofactors in diverse cellular processes, while metal imbalance may impact or be altered by disease state. Cu is essential for aerobic life with significant functions in oxidation-reduction catalysis. This redox reactivity requires precise intracellular handling and molecular-to-organismal levels of homeostatic control. As the central organ of Cu homeostasis in vertebrates, the liver has long been associated with Cu storage disorders including Wilson Disease (WD) (heritable human Cu toxicosis), Idiopathic Copper Toxicosis and Endemic Tyrolean Infantile Cirrhosis. Cu imbalance is also associated with chronic liver diseases that arise from hepatitis viral infection or other liver injury. The labile redox characteristic of Cu is often discussed as a primary mechanism of Cu toxicity. However, work emerging largely from the study of WD models suggests that Cu toxicity may have specific biochemical consequences that are not directly attributable to redox activity. This work reviews Cu toxicity with a focus on the liver and proposes that Cu accumulation specifically impacts Zn-dependent processes. The prospect that Cu toxicity has specific biochemical impacts that are not entirely attributable to redox may promote further inquiry into Cu toxicity in WD and other Cu-associated disorders.
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Deidda I, Russo R, Bonaventura R, Costa C, Zito F, Lampiasi N. Neurotoxicity in Marine Invertebrates: An Update. BIOLOGY 2021; 10:161. [PMID: 33670451 PMCID: PMC7922589 DOI: 10.3390/biology10020161] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Revised: 01/20/2021] [Accepted: 02/11/2021] [Indexed: 12/13/2022]
Abstract
Invertebrates represent about 95% of existing species, and most of them belong to aquatic ecosystems. Marine invertebrates are found at intermediate levels of the food chain and, therefore, they play a central role in the biodiversity of ecosystems. Furthermore, these organisms have a short life cycle, easy laboratory manipulation, and high sensitivity to marine pollution and, therefore, they are considered to be optimal bioindicators for assessing detrimental chemical agents that are related to the marine environment and with potential toxicity to human health, including neurotoxicity. In general, albeit simple, the nervous system of marine invertebrates is composed of neuronal and glial cells, and it exhibits biochemical and functional similarities with the vertebrate nervous system, including humans. In recent decades, new genetic and transcriptomic technologies have made the identification of many neural genes and transcription factors homologous to those in humans possible. Neuroinflammation, oxidative stress, and altered levels of neurotransmitters are some of the aspects of neurotoxic effects that can also occur in marine invertebrate organisms. The purpose of this review is to provide an overview of major marine pollutants, such as heavy metals, pesticides, and micro and nano-plastics, with a focus on their neurotoxic effects in marine invertebrate organisms. This review could be a stimulus to bio-research towards the use of invertebrate model systems other than traditional, ethically questionable, time-consuming, and highly expensive mammalian models.
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Toxic milk mice models of Wilson's disease. Mol Biol Rep 2021; 48:1903-1914. [PMID: 33590415 PMCID: PMC7925478 DOI: 10.1007/s11033-021-06192-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Accepted: 01/28/2021] [Indexed: 10/24/2022]
Abstract
Wilson's disease (WD) is a rare genetic disorder inherited as an autosomal recessive trait. The signs and symptoms of this disease are related to dysfunctional ATP7B protein which leads to copper accumulation and cellular damage. The organs that are most commonly affected by WD are the liver and brain. The dysfunctional ATP7B homolog has previously been identified in many different species, including two naturally occurring murine models called toxic milk mice. The aim of this paper was to compare the toxic milk mouse described by Rauch (tx) to that from Jackson Laboratory (txJ) through a review of studies on these two groups of mice. The two mice strains differ in the type of carried mutation and the phenotype of the disease. The data of the studies showed that the tx mice developed mild chronic hepatitis but suffered severe organ destruction with faster progression to full-liver cirrhosis. No changes were noted in the neurological and behavioral status of this strain despite the described toxic accumulation of copper and neuronal destruction in their brain. On the other hand, though the Jackson toxic milk mice (txJ) also presented chronic hepatitis, the condition was a bit milder with slower progression to end-stage disease. Moreover, hepatocyte suitable to perform neurobehavioral research as their phenotype characterized by tremors and locomotor disabilities better corresponds with the cliniconeurological picture of the humans.
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Davis CI, Gu X, Kiefer RM, Ralle M, Gade TP, Brady DC. Altered copper homeostasis underlies sensitivity of hepatocellular carcinoma to copper chelation. Metallomics 2020; 12:1995-2008. [PMID: 33146201 PMCID: PMC8315290 DOI: 10.1039/d0mt00156b] [Citation(s) in RCA: 77] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Hepatocellular carcinoma (HCC), the most common primary liver cancer, of which ∼800 000 new cases will be diagnosed worldwide this year, portends a five-year survival rate of merely 17% in patients with unresectable disease. This dismal prognosis is due, at least in part, from the late stage of diagnosis and the limited efficacy of systemic therapies. As a result, there is an urgent need to identify risk factors that contribute to HCC initiation and provide targetable vulnerabilities to improve patient survival. While myriad risk factors are known, elevated copper (Cu) levels in HCC patients and the incidence of hepatobiliary malignancies in Wilson disease patients, which exhibit hereditary liver Cu overload, suggests the possibility that metal accumulation promotes malignant transformation. Here we found that expression of the Cu transporter genes ATP7A, ATP7B, SLC31A1, and SLC31A2 was significantly altered in liver cancer samples and were associated with elevated Cu levels in liver cancer tissue and cells. Further analysis of genomic copy number data revealed that alterations in Cu transporter gene loci correlate with poorer survival in HCC patients. Genetic loss of the Cu importer SLC31A1 (CTR1) or pharmacologic suppression of Cu decreased the viability, clonogenic survival, and anchorage-independent growth of human HCC cell lines. Mechanistically, CTR1 knockdown or Cu chelation decreased glycolytic gene expression and downstream metabolite utilization and as a result forestalled tumor cell survival after exposure to hypoxia, which mimics oxygen deprivation elicited by transarterial embolization, a standard-of-care therapy used for patients with unresectable HCC. Taken together, these findings established an association between altered Cu homeostasis and HCC and suggest that limiting Cu bioavailability may provide a new treatment strategy for HCC by restricting the metabolic reprogramming necessary for cancer cell survival.
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Affiliation(s)
- Caroline I. Davis
- Biochemistry and Molecular Biophysics Graduate Group, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Xingxing Gu
- Department of Cancer Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Ryan M. Kiefer
- Medical Degree Program, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
- Penn Image-Guided Interventions Laboratory, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Martina Ralle
- Department of Molecular and Medical Genetics, Oregon Health and Science University, Portland, OR, 97239, USA
| | - Terence P. Gade
- Department of Cancer Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
- Penn Image-Guided Interventions Laboratory, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
- Abramson Family Cancer Research Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
- Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Donita C. Brady
- Department of Cancer Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
- Abramson Family Cancer Research Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
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Yang LL, Tang AL, Wang PY, Yang S. Switching of C-C and C-N Coupling/Cleavage for Hypersensitive Detection of Cu 2+ by a Catalytically Mediated 2-Aminoimidazolyl-Tailored Six-Membered Rhodamine Probe. Org Lett 2020; 22:8234-8239. [PMID: 33064005 DOI: 10.1021/acs.orglett.0c02814] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
A robust six-membered rhodamine spirocyclic probe 1 containing a versatile 2-aminoimidazolyl moiety was elaborately designed and synthesized via an attractive C-C and C-N coupling strategy to improve the performance in the detection of ultralow transition metal ions. Probe 1 allowed the highly hypersensitive detection of Cu2+ with a superior picomolar limit of detection (35 pM) and nanomolar naked-eye performance (80 nM) via the switching of C-C and C-N cleavage by a catalytic hydrolysis mode.
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Affiliation(s)
- Lin-Lin Yang
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - A-Ling Tang
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Pei-Yi Wang
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Song Yang
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
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Meggyesy PM, Masaldan S, Clatworthy SAS, Volitakis I, Eyckens DJ, Aston-Mourney K, Cater MA. Copper Ionophores as Novel Antiobesity Therapeutics. Molecules 2020; 25:E4957. [PMID: 33120881 PMCID: PMC7672559 DOI: 10.3390/molecules25214957] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 10/18/2020] [Accepted: 10/26/2020] [Indexed: 12/30/2022] Open
Abstract
The therapeutic utility of the copper ionophore disulfiram was investigated in a diet-induced obesity mouse model (C57BL/6J background), both through administration in feed (0.05 to 1% (w/w)) and via oral gavage (150 mg/kg) for up to eight weeks. Mice were monitored for body weight, fat deposition (perigonadal fat pads), metabolic changes (e.g., glucose dyshomeostasis) and pathologies (e.g., hepatic steatosis, hyperglycaemia and hypertriglyceridemia) associated with a high-fat diet. Metal-related pharmacological effects across major organs and serums were investigated using inductively coupled plasma mass spectrometry (ICP-MS). Disulfiram treatments (all modes) augmented hepatic copper in mice, markedly moderated body weight and abolished the deleterious systemic changes associated with a high-fat diet. Likewise, another chemically distinct copper ionophore H2(gtsm), administered daily (oral gavage), also augmented hepatic copper and moderated mouse body weight. Postmortem histological examinations of the liver and other major organs, together with serum aminotransferases, supported the reported therapeutic safety of disulfiram. Disulfiram specifically altered systemic copper in mice and altered hepatic copper metabolism, perturbing the incorporation of copper into ceruloplasmin (holo-ceruloplasmin biosynthesis) and subsequently reducing serum copper concentrations. Serum ceruloplasmin represents a biomarker for disulfiram activity. Our results establish copper ionophores as a potential class of antiobesity agents.
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Affiliation(s)
- Peter M. Meggyesy
- Centre for Cellular and Molecular Biology, School of Life and Environmental Sciences, Deakin University, Burwood, Victoria 3125, Australia; (P.M.M.); (S.M.); (S.A.S.C.)
| | - Shashank Masaldan
- Centre for Cellular and Molecular Biology, School of Life and Environmental Sciences, Deakin University, Burwood, Victoria 3125, Australia; (P.M.M.); (S.M.); (S.A.S.C.)
- Melbourne Dementia Research Centre, The Florey Institute of Neuroscience and Mental Health, Parkville, Victoria 3052, Australia;
| | - Sharnel A. S. Clatworthy
- Centre for Cellular and Molecular Biology, School of Life and Environmental Sciences, Deakin University, Burwood, Victoria 3125, Australia; (P.M.M.); (S.M.); (S.A.S.C.)
| | - Irene Volitakis
- Melbourne Dementia Research Centre, The Florey Institute of Neuroscience and Mental Health, Parkville, Victoria 3052, Australia;
| | - Daniel J. Eyckens
- Institute for Frontier Materials, Deakin University, Waurn Ponds, Victoria 3216, Australia;
| | - Kathryn Aston-Mourney
- School of Medicine, IMPACT, Institute for Innovation in Physical and Mental Health and Clinical~Translation, Deakin University, Geelong 3220, Australia;
| | - Michael A. Cater
- Centre for Cellular and Molecular Biology, School of Life and Environmental Sciences, Deakin University, Burwood, Victoria 3125, Australia; (P.M.M.); (S.M.); (S.A.S.C.)
- Department of Clinical Pathology, The University of Melbourne, Parkville, Victoria 3010, Australia
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Jian Z, Guo H, Liu H, Cui H, Fang J, Zuo Z, Deng J, Li Y, Wang X, Zhao L. Oxidative stress, apoptosis and inflammatory responses involved in copper-induced pulmonary toxicity in mice. Aging (Albany NY) 2020; 12:16867-16886. [PMID: 32952128 PMCID: PMC7521514 DOI: 10.18632/aging.103585] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Accepted: 05/27/2020] [Indexed: 01/24/2023]
Abstract
At present, there are few studies focused on the relationship between copper (Cu) and oxidative stress, apoptosis, or inflammatory responses in animal and human lungs. This study was conducted to explore the effects of Cu on pulmonary oxidative stress, apoptosis and inflammatory responses in mice orally administered with 0 mg/kg (control), 10 mg/kg, 20 mg/kg, and 40 mg/kg of CuSO4 for 42 days. The results showed that CuSO4 increased ROS production, and MDA, 8-OHdG and NO contents as well as iNOS activities and mRNA expression levels. Meanwhile, CuSO4 reduced the activities and mRNA expression levels of antioxidant enzymes (GSH-Px, CAT, and SOD) and GSH contents, and ASA and AHR abilities. Also, CuSO4 induced apoptosis, which was accompanied by decreasing Bcl-2, Bcl-xL mRNA expression levels and protein expression levels, and increasing Bax, Bak, cleaved-caspase-3, cleaved-caspase-9 mRNA, and protein expression levels, and Bax/Bcl-2 ratio. Concurrently, CuSO4 caused inflammation by increasing MPO activities and activating the NF-κB signalling pathway, and down-regulating the mRNA and protein expression levels of anti-inflammatory cytokines (IL-2, IL-4, IL-10). In conclusion, the abovementioned findings demonstrated that over 10 mg/kg CuSO4 can cause oxidative stress, apoptosis, and inflammatory responses, which contribute to pulmonary lesions and dysfunction in mice.
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Affiliation(s)
- Zhijie Jian
- College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang 611130, Chengdu, China
| | - Hongrui Guo
- College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang 611130, Chengdu, China,Key Laboratory of Animal Diseases and Environmental Hazards of Sichuan Province, Sichuan Agriculture University, Wenjiang 611130, Chengdu, China
| | - Huan Liu
- College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang 611130, Chengdu, China
| | - Hengmin Cui
- College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang 611130, Chengdu, China,Key Laboratory of Animal Diseases and Environmental Hazards of Sichuan Province, Sichuan Agriculture University, Wenjiang 611130, Chengdu, China,Key Laboratory of Agricultural Information Engineering of Sichuan Province, Sichuan Agriculture University, Yaan 625014, Sichuan, China
| | - Jing Fang
- College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang 611130, Chengdu, China,Key Laboratory of Animal Diseases and Environmental Hazards of Sichuan Province, Sichuan Agriculture University, Wenjiang 611130, Chengdu, China
| | - Zhicai Zuo
- College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang 611130, Chengdu, China,Key Laboratory of Animal Diseases and Environmental Hazards of Sichuan Province, Sichuan Agriculture University, Wenjiang 611130, Chengdu, China
| | - Junliang Deng
- College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang 611130, Chengdu, China,Key Laboratory of Animal Diseases and Environmental Hazards of Sichuan Province, Sichuan Agriculture University, Wenjiang 611130, Chengdu, China
| | - Yinglun Li
- College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang 611130, Chengdu, China,Key Laboratory of Animal Diseases and Environmental Hazards of Sichuan Province, Sichuan Agriculture University, Wenjiang 611130, Chengdu, China
| | - Xun Wang
- College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang 611130, Chengdu, China,Key Laboratory of Animal Diseases and Environmental Hazards of Sichuan Province, Sichuan Agriculture University, Wenjiang 611130, Chengdu, China
| | - Ling Zhao
- College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang 611130, Chengdu, China,Key Laboratory of Animal Diseases and Environmental Hazards of Sichuan Province, Sichuan Agriculture University, Wenjiang 611130, Chengdu, China
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Azbukina NV, Lopachev AV, Chistyakov DV, Goriainov SV, Astakhova AA, Poleshuk VV, Kazanskaya RB, Fedorova TN, Sergeeva MG. Oxylipin Profiles in Plasma of Patients with Wilson's Disease. Metabolites 2020; 10:metabo10060222. [PMID: 32485807 PMCID: PMC7345781 DOI: 10.3390/metabo10060222] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 05/17/2020] [Accepted: 05/25/2020] [Indexed: 12/31/2022] Open
Abstract
Wilson’s disease (WD) is a rare autosomal recessive metabolic disorder resulting from mutations in the copper-transporting, P-type ATPase gene ATP7B gene, but influences of epigenetics, environment, age, and sex-related factors on the WD phenotype complicate diagnosis and clinical manifestations. Oxylipins, derivatives of omega-3, and omega-6 polyunsaturated fatty acids (PUFAs) are signaling mediators that are deeply involved in innate immunity responses; the regulation of inflammatory responses, including acute and chronic inflammation; and other disturbances related to any system diseases. Therefore, oxylipin profile tests are attractive for the diagnosis of WD. With UPLC-MS/MS lipidomics analysis, we detected 43 oxylipins in the plasma profiles of 39 patients with various clinical manifestations of WD compared with 16 healthy controls (HCs). Analyzing the similarity matrix of oxylipin profiles allowed us to cluster patients into three groups. Analysis of the data by VolcanoPlot and partial least square discriminant analysis (PLS-DA) showed that eight oxylipins and lipids stand for the variance between WD and HCs: eicosapentaenoic acid EPA, oleoylethanolamide OEA, octadecadienoic acids 9-HODE, 9-KODE, 12-hydroxyheptadecatrenoic acid 12-HHT, prostaglandins PGD2, PGE2, and 14,15-dihydroxyeicosatrienoic acids 14,15-DHET. The compounds indicate the involvement of oxidative stress damage, inflammatory processes, and peroxisome proliferator-activated receptor (PPAR) signaling pathways in this disease. The data reveal novel possible therapeutic targets and intervention strategies for treating WD.
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Affiliation(s)
- Nadezhda V. Azbukina
- Faculty of Bioengineering and Bioinformatics, Moscow Lomonosov State University, Moscow 119234, Russia;
| | - Alexander V. Lopachev
- Laboratory of Clinical and Experimental neurochemistry, Research Center of Neurology, Moscow 125367, Russia;
| | - Dmitry V. Chistyakov
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow 119992, Russia;
- Correspondence: (D.V.C.); (T.N.F.); (M.G.S.)
| | - Sergei V. Goriainov
- SREC PFUR Peoples’ Friendship University of Russia (RUDN University), Moscow 117198, Russia;
| | - Alina A. Astakhova
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow 119992, Russia;
| | | | - Rogneda B. Kazanskaya
- Biological Department, Saint Petersburg State University, Universitetskaya Emb. 7/9, St Petersburg 199034, Russia;
| | - Tatiana N. Fedorova
- Laboratory of Clinical and Experimental neurochemistry, Research Center of Neurology, Moscow 125367, Russia;
- Correspondence: (D.V.C.); (T.N.F.); (M.G.S.)
| | - Marina G. Sergeeva
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow 119992, Russia;
- Correspondence: (D.V.C.); (T.N.F.); (M.G.S.)
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Guttmann S, Nadzemova O, Grünewald I, Lenders M, Brand E, Zibert A, Schmidt HH. ATP7B knockout disturbs copper and lipid metabolism in Caco-2 cells. PLoS One 2020; 15:e0230025. [PMID: 32155648 PMCID: PMC7064347 DOI: 10.1371/journal.pone.0230025] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Accepted: 02/18/2020] [Indexed: 12/30/2022] Open
Abstract
Intestinal cells control delivery of lipids to the body by adsorption, storage and secretion. Copper (Cu) is an important trace element and has been shown to modulate lipid metabolism. Mutation of the liver Cu exporter ATP7B is the cause of Wilson disease and is associated with Cu accumulation in different tissues. To determine the relationship of Cu and lipid homeostasis in intestinal cells, a CRISPR/Cas9 knockout of ATP7B (KO) was introduced in Caco-2 cells. KO cells showed increased sensitivity to Cu, elevated intracellular Cu storage, and induction of genes regulating oxidative stress. Chylomicron structural protein ApoB48 was significantly downregulated in KO cells by Cu. Apolipoproteins ApoA1, ApoC3 and ApoE were constitutively induced by loss of ATP7B. Formation of small sized lipid droplets (LDs) was enhanced by Cu, whereas large sized LDs were reduced. Cu reduced triglyceride (TG) storage and secretion. Exposure of KO cells to oleic acid (OA) resulted in enhanced TG storage. The findings suggest that Cu represses intestinal TG lipogenesis, while loss of ATP7B results in OA-induced TG storage.
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Affiliation(s)
- Sarah Guttmann
- Medizinische Klinik B für Gastroenterologie und Hepatologie, Universitätsklinikum Münster, Münster, Germany
| | - Oksana Nadzemova
- Medizinische Klinik B für Gastroenterologie und Hepatologie, Universitätsklinikum Münster, Münster, Germany
| | - Inga Grünewald
- Gerhard-Domagk-Institute of Pathology, University Hospital Muenster, Münster, Germany
| | - Malte Lenders
- Department of Nephrology, Hypertension and Rheumatology, Internal Medicine D, University Hospital Muenster, Münster, Germany
| | - Eva Brand
- Department of Nephrology, Hypertension and Rheumatology, Internal Medicine D, University Hospital Muenster, Münster, Germany
| | - Andree Zibert
- Medizinische Klinik B für Gastroenterologie und Hepatologie, Universitätsklinikum Münster, Münster, Germany
| | - Hartmut H. Schmidt
- Medizinische Klinik B für Gastroenterologie und Hepatologie, Universitätsklinikum Münster, Münster, Germany
- * E-mail:
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Abstract
Copper accumulation and deficiency are reciprocally connected to lipid metabolism. In Wilson disease (WD), which is caused by a genetic loss of function of the copper-transporting P-type ATPase beta, copper accumulates mainly in the liver and lipid metabolism is dysregulated. The underlying mechanisms linking copper and lipid metabolism in WD are not clear. Copper may impair metabolic machinery by direct binding to protein and lipid structures or by generating reactive oxygen species with consequent damage to cellular organelles vital to energy metabolism. In the liver, copper overload results in mitochondrial impairment, down-regulation of lipid metabolism, and the development of steatosis with an etiology not fully elucidated. Little is known regarding the effect of copper overload on extrahepatic energy homeostasis. This review aims to discuss alterations in hepatic energy metabolism associated with WD, highlights potential mechanisms involved in the development of hepatic and systemic dysregulation of lipid metabolism, and reviews current knowledge on the effects of copper overload on extrahepatic energy metabolism.
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Affiliation(s)
- Tagreed A. Mazi
- Department of Nutrition, University of California Davis, Davis, CA, USA,Department of Community Health Sciences, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Noreene M. Shibata
- Department of Internal Medicine, Division of Gastroenterology and Hepatology, University of California Davis, Sacramento, CA, USA
| | - Valentina Medici
- Department of Internal Medicine, Division of Gastroenterology and Hepatology, University of California Davis, Sacramento, CA, USA,Corresponding author. (V. Medici)
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Wooton-Kee CR, Robertson M, Zhou Y, Dong B, Sun Z, Kim KH, Liu H, Xu Y, Putluri N, Saha P, Coarfa C, Moore DD, Nuotio-Antar AM. Metabolic dysregulation in the Atp7b-/- Wilson's disease mouse model. Proc Natl Acad Sci U S A 2020; 117:2076-2083. [PMID: 31924743 PMCID: PMC6994990 DOI: 10.1073/pnas.1914267117] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Inactivating mutations in the copper transporter Atp7b result in Wilson's disease. The Atp7b-/- mouse develops hallmarks of Wilson's disease. The activity of several nuclear receptors decreased in Atp7b-/- mice, and nuclear receptors are critical for maintaining metabolic homeostasis. Therefore, we anticipated that Atp7b-/- mice would exhibit altered progression of diet-induced obesity, fatty liver, and insulin resistance. Following 10 wk on a chow or Western-type diet (40% kcal fat), parameters of glucose and lipid homeostasis were measured. Hepatic metabolites were measured by liquid chromatography-mass spectrometry and correlated with transcriptomic data. Atp7b-/- mice fed a chow diet presented with blunted body-weight gain over time, had lower fat mass, and were more glucose tolerant than wild type (WT) littermate controls. On the Western diet, Atp7b-/- mice exhibited reduced body weight, adiposity, and hepatic steatosis compared with WT controls. Atp7b-/- mice fed either diet were more insulin sensitive than WT controls; however, fasted Atp7b-/- mice exhibited hypoglycemia after administration of insulin due to an impaired glucose counterregulatory response, as evidenced by reduced hepatic glucose production. Coupling gene expression with metabolomic analyses, we observed striking changes in hepatic metabolic profiles in Atp7b-/- mice, including increases in glycolytic intermediates and components of the tricarboxylic acid cycle. In addition, the active phosphorylated form of AMP kinase was significantly increased in Atp7b-/- mice relative to WT controls. Alterations in hepatic metabolic profiles and nuclear receptor signaling were associated with improved glucose tolerance and insulin sensitivity as well as with impaired fasting glucose production in Atp7b-/- mice.
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Affiliation(s)
- Clavia Ruth Wooton-Kee
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX 77030;
| | - Matthew Robertson
- Dan L. Duncan Cancer Center, Baylor College of Medicine, Houston, TX 77030
| | - Ying Zhou
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX 77030
- Integrative Molecular and Biomedical Sciences Graduate Program, Baylor College of Medicine, Houston, TX 77030
| | - Bingning Dong
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX 77030
| | - Zhen Sun
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX 77030
| | - Kang Ho Kim
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX 77030
| | - Hailan Liu
- Department of Pediatrics, Baylor College of Medicine, Houston, TX 77030
| | - Yong Xu
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX 77030
- Department of Pediatrics, Baylor College of Medicine, Houston, TX 77030
| | - Nagireddy Putluri
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX 77030
| | - Pradip Saha
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX 77030
| | - Cristian Coarfa
- Dan L. Duncan Cancer Center, Baylor College of Medicine, Houston, TX 77030
| | - David D Moore
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX 77030;
- Integrative Molecular and Biomedical Sciences Graduate Program, Baylor College of Medicine, Houston, TX 77030
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Lacombe M, Jaquinod M, Belmudes L, Couté Y, Ramus C, Combes F, Burger T, Mintz E, Barthelon J, Leroy V, Poujois A, Lachaux A, Woimant F, Brun V. Comprehensive and comparative exploration of the Atp7b−/− mouse plasma proteome. Metallomics 2020; 12:249-258. [DOI: 10.1039/c9mt00225a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Wilson's disease (WD) is a rare genetic disease caused by mutations in the ATP7B gene. In this study, we used MS-based proteomics to explore the plasma proteome of the Atp7b−/− mouse, a genetic and phenotypic model for WD.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Justine Barthelon
- Clinique Universitaire d'Hépato-gastroentérologie
- Centre Hospitalier Universitaire Grenoble
- Grenoble
- France
| | - Vincent Leroy
- Clinique Universitaire d'Hépato-gastroentérologie
- Centre Hospitalier Universitaire Grenoble
- Grenoble
- France
| | - Aurélia Poujois
- National Reference Centre for Wilson's Disease
- AP-HP
- Lariboisière University Hospital
- Paris
- France
| | - Alain Lachaux
- National Reference Centre for Wilson's Disease
- Hôpital Femme Mère Enfant
- Hospices Civils de Lyon
- Lyon
- France
| | - France Woimant
- National Reference Centre for Wilson's Disease
- AP-HP
- Lariboisière University Hospital
- Paris
- France
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50
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Aarjane M, Slassi S, Amine A. Novel highly selective and sensitive fluorescent sensor for copper detection based on N-acylhydrazone acridone derivative. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2019.126990] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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