1
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Chen B, Liu J. Mechanisms associated with cuproptosis and implications for ovarian cancer. J Inorg Biochem 2024; 257:112578. [PMID: 38797108 DOI: 10.1016/j.jinorgbio.2024.112578] [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: 03/06/2024] [Revised: 04/08/2024] [Accepted: 04/23/2024] [Indexed: 05/29/2024]
Abstract
Ovarian cancer, a profoundly fatal gynecologic neoplasm, exerts a substantial economic strain on nations globally. The formidable challenge of its frequent relapse necessitates the exploration of novel cytotoxic agents, efficacious antineoplastic medications with minimal adverse effects, and strategies to surmount resistance to primary chemotherapeutic agents. These endeavors aim to supplement extant pharmacological interventions and elucidate molecular mechanisms underlying induced cytotoxicity, distinct from conventional therapeutic modalities. Recent scientific research has unveiled a novel form of cellular demise, known as copper-death, which is contingent upon the intracellular concentration of copper. Diverging from conventional mechanisms of cellular demise, copper-death exhibits a pronounced reliance on mitochondrial respiration, particularly the tricarboxylic acid (TCA) cycle. Tumor cells manifest distinctive metabolic profiles and elevated copper levels in comparison to their normal counterparts. The advent of copper-death presents alluring possibilities for targeted therapeutic interventions within the realm of cancer treatment. Hence, the primary objective of this review is to present an overview of the proteins and intricate mechanisms associated with copper-induced cell death, while providing a comprehensive summary of the knowledge acquired regarding potential therapeutic approaches for ovarian cancer. These findings will serve as valuable references to facilitate the advancement of customized therapeutic interventions for ovarian cancer.
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Affiliation(s)
- Biqing Chen
- The Second Hospital of Jilin University, Changchun, China
| | - Jiaqi Liu
- The Second Hospital of Jilin University, Changchun, China.
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2
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Wu Z, Bezwada D, Cai F, Harris RC, Ko B, Sondhi V, Pan C, Vu HS, Nguyen PT, Faubert B, Cai L, Chen H, Martin-Sandoval M, Do D, Gu W, Zhang Y, Zhang Y, Brooks B, Kelekar S, Zacharias LG, Oaxaca KC, Patricio JS, Mathews TP, Garcia-Bermudez J, Ni M, DeBerardinis RJ. Electron transport chain inhibition increases cellular dependence on purine transport and salvage. Cell Metab 2024:S1550-4131(24)00190-6. [PMID: 38876105 DOI: 10.1016/j.cmet.2024.05.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 03/11/2024] [Accepted: 05/22/2024] [Indexed: 06/16/2024]
Abstract
Mitochondria house many metabolic pathways required for homeostasis and growth. To explore how human cells respond to mitochondrial dysfunction, we performed metabolomics in fibroblasts from patients with various mitochondrial disorders and cancer cells with electron transport chain (ETC) blockade. These analyses revealed extensive perturbations in purine metabolism, and stable isotope tracing demonstrated that ETC defects suppress de novo purine synthesis while enhancing purine salvage. In human lung cancer, tumors with markers of low oxidative mitochondrial metabolism exhibit enhanced expression of the salvage enzyme hypoxanthine phosphoribosyl transferase 1 (HPRT1) and high levels of the HPRT1 product inosine monophosphate. Mechanistically, ETC blockade activates the pentose phosphate pathway, providing phosphoribosyl diphosphate to drive purine salvage supplied by uptake of extracellular bases. Blocking HPRT1 sensitizes cancer cells to ETC inhibition. These findings demonstrate how cells remodel purine metabolism upon ETC blockade and uncover a new metabolic vulnerability in tumors with low respiration.
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Affiliation(s)
- Zheng Wu
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Divya Bezwada
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Feng Cai
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Robert C Harris
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Bookyung Ko
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Varun Sondhi
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Chunxiao Pan
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Hieu S Vu
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Phong T Nguyen
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Brandon Faubert
- Department of Medicine, University of Chicago, Chicago, IL 60637, USA
| | - Ling Cai
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; Quantitative Biomedical Research Center, Department of Population and Data Sciences, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Hongli Chen
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Misty Martin-Sandoval
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Duyen Do
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Wen Gu
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Yuanyuan Zhang
- Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Yuannyu Zhang
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Bailey Brooks
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Sherwin Kelekar
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Lauren G Zacharias
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - K Celeste Oaxaca
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Joao S Patricio
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Thomas P Mathews
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Javier Garcia-Bermudez
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Min Ni
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA.
| | - Ralph J DeBerardinis
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA.
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3
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Lin CH, Chin Y, Zhou M, Sobol RW, Hung MC, Tan M. Protein lipoylation: mitochondria, cuproptosis, and beyond. Trends Biochem Sci 2024:S0968-0004(24)00096-3. [PMID: 38714376 DOI: 10.1016/j.tibs.2024.04.002] [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: 11/08/2023] [Revised: 04/09/2024] [Accepted: 04/10/2024] [Indexed: 05/09/2024]
Abstract
Protein lipoylation, a crucial post-translational modification (PTM), plays a pivotal role in mitochondrial function and emerges as a key player in cell death through cuproptosis. This novel copper-driven cell death pathway is activated by excessive copper ions binding to lipoylated mitochondrial proteins, disrupting energy production and causing lethal protein aggregation and cell death. The intricate relationship among protein lipoylation, cellular energy metabolism, and cuproptosis offers a promising avenue for regulating essential cellular functions. This review focuses on the mechanisms of lipoylation and its significant impact on cell metabolism and cuproptosis, emphasizing the key genes involved and their implications for human diseases. It offers valuable insights into targeting dysregulated cellular metabolism for therapeutic purposes.
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Affiliation(s)
- Cheng-Han Lin
- Institute of Biochemistry and Molecular Biology, China Medical University, Taichung, Taiwan; Cancer Biology and Precision Therapeutics Center, China Medical University, Taichung, Taiwan; Graduate Institute of Biomedical Sciences and Research Center for Cancer Biology, China Medical University, Taichung, Taiwan
| | - Yeh Chin
- Institute of Biochemistry and Molecular Biology, China Medical University, Taichung, Taiwan; Cancer Biology and Precision Therapeutics Center, China Medical University, Taichung, Taiwan; Graduate Institute of Biomedical Sciences and Research Center for Cancer Biology, China Medical University, Taichung, Taiwan
| | - Ming Zhou
- Cancer Research Institute and School of Basic Medical Sciences, Central South University, Changsha, China
| | - Robert W Sobol
- Department of Pathology and Laboratory Medicine, Warren Alpert Medical School and Legorreta Cancer Center, Brown University, Providence, RI 02912, USA
| | - Mien-Chie Hung
- Institute of Biochemistry and Molecular Biology, China Medical University, Taichung, Taiwan; Cancer Biology and Precision Therapeutics Center, China Medical University, Taichung, Taiwan; Graduate Institute of Biomedical Sciences and Research Center for Cancer Biology, China Medical University, Taichung, Taiwan.
| | - Ming Tan
- Institute of Biochemistry and Molecular Biology, China Medical University, Taichung, Taiwan; Cancer Biology and Precision Therapeutics Center, China Medical University, Taichung, Taiwan; Graduate Institute of Biomedical Sciences and Research Center for Cancer Biology, China Medical University, Taichung, Taiwan.
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4
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Forma A, Grunwald A, Zembala P, Januszewski J, Brachet A, Zembala R, Świątek K, Baj J. Micronutrient Status and Breast Cancer: A Narrative Review. Int J Mol Sci 2024; 25:4968. [PMID: 38732186 PMCID: PMC11084730 DOI: 10.3390/ijms25094968] [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: 03/14/2024] [Revised: 04/28/2024] [Accepted: 04/30/2024] [Indexed: 05/13/2024] Open
Abstract
Breast cancer is one of the most common cancers worldwide, at the same time being one of the most prevalent causes of women's death. Many factors such as alcohol, weight fluctuations, or hormonal replacement therapy can potentially contribute to breast cancer development and progression. Another important factor in breast cancer onset includes micronutrient status. In this narrative review, we analyzed 23 micronutrients and their possible influence on breast cancer onset and progression. Further, the aim of this study was to investigate the impact of micronutrient status on the prevention of breast cancer and its possible influence on various therapeutic pathways. We researched meta-analyses, systemic and narrative reviews, retrospective studies, as well as original studies on human and animal models. The results of these studies indicate a possible correlation between the different levels of micronutrients and a decreased risk of breast cancer as well as a better survival rate. However, further studies are necessary to establish adequate doses of supplementation of the chosen micronutrients and the exact mechanisms of micronutrient impact on breast cancer therapy.
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Affiliation(s)
- Alicja Forma
- Chair and Department of Forensic Medicine, Medical University of Lublin, Jaczewskiego 8b, 20-090 Lublin, Poland; (A.G.); (A.B.)
| | - Arkadiusz Grunwald
- Chair and Department of Forensic Medicine, Medical University of Lublin, Jaczewskiego 8b, 20-090 Lublin, Poland; (A.G.); (A.B.)
| | - Patryk Zembala
- Faculty of Medicine, Medical University of Warsaw, Banacha 1A, 02-097 Warsaw, Poland;
| | - Jacek Januszewski
- Department of Correct, Clinical and Imaging Anatomy, Chair of Fundamental Sciences, Medical University of Lublin, Jaczewskiego 4, 20-090 Lublin, Poland; (J.J.); (K.Ś.); (J.B.)
| | - Adam Brachet
- Chair and Department of Forensic Medicine, Medical University of Lublin, Jaczewskiego 8b, 20-090 Lublin, Poland; (A.G.); (A.B.)
| | - Roksana Zembala
- Faculty of Medicine, Cardinal Stefan Wyszynski University in Warsaw, Wóycickiego 1/3, 01-938 Warsaw, Poland;
| | - Kamila Świątek
- Department of Correct, Clinical and Imaging Anatomy, Chair of Fundamental Sciences, Medical University of Lublin, Jaczewskiego 4, 20-090 Lublin, Poland; (J.J.); (K.Ś.); (J.B.)
| | - Jacek Baj
- Department of Correct, Clinical and Imaging Anatomy, Chair of Fundamental Sciences, Medical University of Lublin, Jaczewskiego 4, 20-090 Lublin, Poland; (J.J.); (K.Ś.); (J.B.)
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5
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Ozlu C, Messahel S, Minassian B, Kayani S. Mitochondrial encephalopathies and myopathies: Our tertiary center's experience. Eur J Paediatr Neurol 2024; 50:31-40. [PMID: 38583367 DOI: 10.1016/j.ejpn.2024.03.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 03/12/2024] [Accepted: 03/22/2024] [Indexed: 04/09/2024]
Abstract
Mitochondrial diseases have a heterogeneous phenotype and can result from mutations in the mitochondrial or nuclear genomes, constituting a diagnostically and therapeutically challenging group of disorders. We report our center's experience with mitochondrial encephalopathies and myopathies with a cohort of 50 genetically and phenotypically diverse patients followed in the Neurology clinic over the last ten years. Seventeen patients had mitochondrial DNA mutations, presented over a wide range of ages with seizures, feeding difficulties, extraocular movements abnormalities, and had high rates of stroke-like episodes and regression. Twenty-seven patients had nuclear DNA mutations, presented early in life with feeding difficulty, failure-to-thrive, and seizures, and had high proportions of developmental delay, wheelchair dependence, spine abnormalities and dystonia. In six patients, a mutation could not be identified, but they were included for having mitochondrial disease confirmed by histopathology, enzyme analysis and clinical features. These patients had similar characteristics to patients with nuclear DNA mutations, suggesting missed underlying mutations in the nuclear genome. Management was variable among patients, but outcomes were universally poor with severe disability in all cases. Therapeutic entryways through elucidation of disease pathways and remaining unknown genes are acutely needed.
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Affiliation(s)
- Can Ozlu
- University of Texas Southwestern Medical Center ,Dallas, TX, USA; Children's Medical Center, Dallas, TX, USA
| | | | - Berge Minassian
- University of Texas Southwestern Medical Center ,Dallas, TX, USA; Children's Medical Center, Dallas, TX, USA
| | - Saima Kayani
- University of Texas Southwestern Medical Center ,Dallas, TX, USA; Children's Medical Center, Dallas, TX, USA.
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Luan M, Feng Z, Zhu W, Xing Y, Ma X, Zhu J, Wang Y, Jia Y. Mechanism of metal ion-induced cell death in gastrointestinal cancer. Biomed Pharmacother 2024; 174:116574. [PMID: 38593706 DOI: 10.1016/j.biopha.2024.116574] [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: 01/17/2024] [Revised: 03/26/2024] [Accepted: 04/05/2024] [Indexed: 04/11/2024] Open
Abstract
Gastrointestinal (GI) cancer is one of the most severe types of cancer, with a significant impact on human health worldwide. Due to the urgent demand for more effective therapeutic strategies against GI cancers, novel research on metal ions for treating GI cancers has attracted increasing attention. Currently, with accumulating research on the relationship between metal ions and cancer therapy, several metal ions have been discovered to induce cell death. In particular, the three novel modes of cell death, including ferroptosis, cuproptosis, and calcicoptosis, have become focal points of research in the field of cancer. Meanwhile, other metal ions have also been found to trigger cell death through various mechanisms. Accordingly, this review focuses on the mechanisms of metal ion-induced cell death in GI cancers, hoping to provide theoretical support for further GI cancer therapies.
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Affiliation(s)
- Muhua Luan
- Research Center of Basic Medicine, Jinan Central Hospital, Shandong University, Jinan 250013, People's Republic of China; Research Center of Basic Medicine, Central Hospital Affiliated to Shandong First Medical University, Jinan 250013, People's Republic of China
| | - Zhaotian Feng
- Research Center of Basic Medicine, Central Hospital Affiliated to Shandong First Medical University, Jinan 250013, People's Republic of China; Department of Medical Laboratory, Weifang Medical University, Weifang 261053, People's Republic of China
| | - Wenshuai Zhu
- Research Center of Basic Medicine, Central Hospital Affiliated to Shandong First Medical University, Jinan 250013, People's Republic of China
| | - Yuanxin Xing
- Research Center of Basic Medicine, Central Hospital Affiliated to Shandong First Medical University, Jinan 250013, People's Republic of China
| | - Xiaoli Ma
- Research Center of Basic Medicine, Central Hospital Affiliated to Shandong First Medical University, Jinan 250013, People's Republic of China
| | - Jingyu Zhu
- Department of Gastroenterology, Central Hospital Affiliated to Shandong First Medical University, Jinan 250013, People's Republic of China
| | - Yunshan Wang
- Research Center of Basic Medicine, Jinan Central Hospital, Shandong University, Jinan 250013, People's Republic of China; Research Center of Basic Medicine, Central Hospital Affiliated to Shandong First Medical University, Jinan 250013, People's Republic of China
| | - Yanfei Jia
- Research Center of Basic Medicine, Jinan Central Hospital, Shandong University, Jinan 250013, People's Republic of China; Research Center of Basic Medicine, Central Hospital Affiliated to Shandong First Medical University, Jinan 250013, People's Republic of China; Department of Medical Laboratory, Weifang Medical University, Weifang 261053, People's Republic of China.
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7
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Tang D, Kroemer G, Kang R. Targeting cuproplasia and cuproptosis in cancer. Nat Rev Clin Oncol 2024; 21:370-388. [PMID: 38486054 DOI: 10.1038/s41571-024-00876-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/22/2024] [Indexed: 04/26/2024]
Abstract
Copper, an essential trace element that exists in oxidized and reduced forms, has pivotal roles in a variety of biological processes, including redox chemistry, enzymatic reactions, mitochondrial respiration, iron metabolism, autophagy and immune modulation; maintaining copper homeostasis is crucial as both its deficiency and its excess are deleterious. Dysregulated copper metabolism has a dual role in tumorigenesis and cancer therapy. Specifically, cuproplasia describes copper-dependent cell growth and proliferation, including hyperplasia, metaplasia and neoplasia, whereas cuproptosis refers to a mitochondrial pathway of cell death triggered by excessive copper exposure and subsequent proteotoxic stress (although complex interactions between cuproptosis and other cell death mechanisms, such as ferroptosis, are likely and remain enigmatic). In this Review, we summarize advances in our understanding of copper metabolism, the molecular machineries underlying cuproplasia and cuproptosis, and their potential targeting for cancer therapy. These new findings advance the rapidly expanding field of translational cancer research focused on metal compounds.
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Affiliation(s)
- Daolin Tang
- Department of Surgery, UT Southwestern Medical Center, Dallas, TX, USA.
| | - Guido Kroemer
- Centre de Recherche des Cordeliers, INSERM U1138, Equipe labellisée-Ligue contre le cancer, Université Paris Cité, Sorbonne Université, Institut Universitaire de France, Paris, France.
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Campus, Villejuif, France.
- Institut du Cancer Paris CARPEM, Department of Biology, Hôpital Européen Georges Pompidou, Assistance Publique-Hôpitaux de Paris, Paris, France.
| | - Rui Kang
- Department of Surgery, UT Southwestern Medical Center, Dallas, TX, USA.
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Wu H, Xie J, Peng W, Ji F, Qian J, Shen Q, Hou G. Effects of guanidinoacetic acid supplementation on liver and breast muscle fat deposition, lipid levels, and lipid metabolism-related gene expression in ducks. Front Vet Sci 2024; 11:1364815. [PMID: 38435369 PMCID: PMC10904544 DOI: 10.3389/fvets.2024.1364815] [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: 01/03/2024] [Accepted: 02/02/2024] [Indexed: 03/05/2024] Open
Abstract
Exogenous supplementation of guanidinoacetic acid can mechanistically regulate the energy distribution in muscle cells. This study aimed to investigate the effects of guanidinoacetic acid supplementation on liver and breast muscle fat deposition, lipid levels, and lipid metabolism-related gene expression in ducks. We randomly divided 480 42 days-old female Jiaji ducks into four groups with six replicates and 20 ducks for each replicate. The control group was fed the basal diet, and the experimental groups were fed the basal diet with 400, 600, and 800 mg/kg (GA400, GA600, and GA800) guanidinoacetic acid, respectively. Compared with the control group, (1) the total cholesterol (p = 0.0262), triglycerides (p = 0.0357), malondialdehyde (p = 0.0452) contents were lower in GA400, GA600 and GA800 in the liver; (2) the total cholesterol (p = 0.0365), triglycerides (p = 0.0459), and malondialdehyde (p = 0.0326) contents in breast muscle were decreased in GA400, GA600 and GA800; (3) the high density lipoprotein (p = 0.0356) and apolipoprotein-A1 (p = 0.0125) contents were increased in GA600 in the liver; (4) the apolipoprotein-A1 contents (p = 0.0489) in breast muscle were higher in GA600 and GA800; (5) the lipoprotein lipase contents (p = 0.0325) in the liver were higher in GA600 and GA800; (6) the malate dehydrogenase contents (p = 0.0269) in breast muscle were lower in GA400, GA600, and GA800; (7) the insulin induced gene 1 (p = 0.0326), fatty acid transport protein 1 (p = 0.0412), and lipoprotein lipase (p = 0.0235) relative expression were higher in GA400, GA600, and GA800 in the liver; (8) the insulin induced gene 1 (p = 0.0269), fatty acid transport protein 1 (p = 0.0234), and lipoprotein lipase (p = 0.0425) relative expression were increased in GA400, GA600, and GA800 in breast muscle. In this study, the optimum dosage of 600 mg/kg guanidinoacetic acid improved the liver and breast muscle fat deposition, lipid levels, and lipid metabolism-related gene expression in ducks.
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Affiliation(s)
- Hongzhi Wu
- Tropical Crop Genetic Resource Research Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, China
| | - Jiajun Xie
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, China
| | - Weiqi Peng
- Tropical Crop Genetic Resource Research Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, China
| | - Fengjie Ji
- Tropical Crop Genetic Resource Research Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, China
| | - Jinyu Qian
- Tropical Crop Genetic Resource Research Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, China
| | - Qian Shen
- Hainan Xuhuai Technology Co., Ltd., Haikou, China
| | - Guanyu Hou
- Tropical Crop Genetic Resource Research Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, China
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Wei B, Wang A, Liu W, Yue Q, Fan Y, Xue B, Wang S. Identification of immunological characteristics and cuproptosis-related molecular clusters in primary Sjögren's syndrome. Int Immunopharmacol 2024; 126:111251. [PMID: 37984252 DOI: 10.1016/j.intimp.2023.111251] [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: 08/30/2023] [Revised: 10/26/2023] [Accepted: 11/15/2023] [Indexed: 11/22/2023]
Abstract
BACKGROUND Primary Sjögren's syndrome (pSS) is a chronic systemic autoimmune disease characterized by lymphocyte infiltration of the exocrine glands. The typical clinical symptoms of pSS include dryness of the mouth (xerostomia) and eyes (xerophthalmia), fatigue, and joint pain. Cuproptosis is a recently identified mode of programmed cell death that leads to the progression of multiple diseases, and the precise etiology and pathophysiology of pSS remain unknown. Consequently, the aim of our study was to explore cuproptosis-related molecular clusters and identify key genes in pSS. METHOD Gene expression profiles of the peripheral blood in the GSE84844 dataset were downloaded to identify the expression characteristics of cuproptosis regulators and immune cell infiltration. Subsequently, further exploration was conducted on the clusters involving cuproptosis-related genes (CRGs) and the corresponding immune cell infiltration, and the WGCNA algorithm was applied to explore the cluster-specific differentially expressed genes. Finally, the best machine prediction model was selected for candidate hub cuproptosis-associated genes and the accuracy of predictive efficiency was verified by the salivary gland in an external dataset (GSE143153) and enzyme-linked immunosorbent assay. RESULT Through a comparison of patients with pSS and controls, 7 CRGs and 4 types of immune cells were identified. Immune cell infiltration revealed significant immune heterogeneity in three cuproptosis-related molecular clusters in pSS. The random forest machine model showed the best discriminatory performance (area under the receiver operating characteristic curve (AUC) = 1.000) and built a predictive model based on 5 genes, which demonstrated satisfactory performance (AUC = 0.70) in the GSE143153 dataset. Based on serum samples, EED (AUC = 0.557), CBL (AUC = 0.635), and NFU1 (AUC = 0.655) showed lower expression levels in patients with pSS (p = 0.037, p = 0.000, p = 0.000, respectively). CONCLUSION In this study, we systematically analyzed the association between pSS and cuproptosis, established a predictive model that screened for high-risk genes linked to the advancement of pSS, and explored the pathogenic mechanisms and novel therapeutic strategies for pSS, targeting EED, CBL and NFU1.
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Affiliation(s)
- Bowen Wei
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin 300193, China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin 300381, China
| | - Aihua Wang
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin 300193, China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin 300381, China
| | - Wei Liu
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin 300193, China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin 300381, China.
| | - Qingyun Yue
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin 300193, China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin 300381, China
| | - Yihua Fan
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610075, Sichuan Province, China
| | - Bin Xue
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin 300193, China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin 300381, China
| | - Siwei Wang
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin 300193, China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin 300381, China
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10
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Wedan RJ, Longenecker JZ, Nowinski SM. Mitochondrial fatty acid synthesis is an emergent central regulator of mammalian oxidative metabolism. Cell Metab 2024; 36:36-47. [PMID: 38128528 PMCID: PMC10843818 DOI: 10.1016/j.cmet.2023.11.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 11/27/2023] [Accepted: 11/30/2023] [Indexed: 12/23/2023]
Abstract
Contrary to their well-known functions in nutrient breakdown, mitochondria are also important biosynthetic hubs and express an evolutionarily conserved mitochondrial fatty acid synthesis (mtFAS) pathway. mtFAS builds lipoic acid and longer saturated fatty acids, but its exact products, their ultimate destination in cells, and the cellular significance of the pathway are all active research questions. Moreover, why mitochondria need mtFAS despite their well-defined ability to import fatty acids is still unclear. The identification of patients with inborn errors of metabolism in mtFAS genes has sparked fresh research interest in the pathway. New mammalian models have provided insights into how mtFAS coordinates many aspects of oxidative mitochondrial metabolism and raise questions about its role in diseases such as obesity, diabetes, and heart failure. In this review, we discuss the products of mtFAS, their function, and the consequences of mtFAS impairment across models and in metabolic disease.
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Affiliation(s)
- Riley J Wedan
- Department of Metabolism and Nutritional Programming, The Van Andel Institute, Grand Rapids, MI 49503, USA; College of Human Medicine, Michigan State University, Grand Rapids, MI 49503, USA
| | - Jacob Z Longenecker
- Department of Metabolism and Nutritional Programming, The Van Andel Institute, Grand Rapids, MI 49503, USA
| | - Sara M Nowinski
- Department of Metabolism and Nutritional Programming, The Van Andel Institute, Grand Rapids, MI 49503, USA.
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Chen Z, Li YY, Liu X. Copper homeostasis and copper-induced cell death: Novel targeting for intervention in the pathogenesis of vascular aging. Biomed Pharmacother 2023; 169:115839. [PMID: 37976889 DOI: 10.1016/j.biopha.2023.115839] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2023] [Revised: 10/25/2023] [Accepted: 11/01/2023] [Indexed: 11/19/2023] Open
Abstract
Copper-induced cell death, also known as cuproptosis, is distinct from other types of cell death such as apoptosis, necrosis, and ferroptosis. It can trigger the accumulation of lethal reactive oxygen species, leading to the onset and progression of aging. The significant increases in copper ion levels in the aging populations confirm a close relationship between copper homeostasis and vascular aging. On the other hand, vascular aging is also closely related to the occurrence of various cardiovascular diseases throughout the aging process. However, the specific causes of vascular aging are not clear, and different living environments and stress patterns can lead to individualized vascular aging. By exploring the correlations between copper-induced cell death and vascular aging, we can gain a novel perspective on the pathogenesis of vascular aging and enhance the prognosis of atherosclerosis. This article aims to provide a comprehensive review of the impacts of copper homeostasis on vascular aging, including their effects on endothelial cells, smooth muscle cells, oxidative stress, ferroptosis, intestinal flora, and other related factors. Furthermore, we intend to discuss potential strategies involving cuproptosis and provide new insights for copper-related vascular aging.
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Affiliation(s)
- Zhuoying Chen
- Department of Geriatrics, Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430077, China
| | - Yuan-Yuan Li
- Department of Nursing, Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430077, China.
| | - Xiangjie Liu
- Department of Geriatrics, Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430077, China.
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12
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Li J, Tuo D, Guo G, Gan J. Aberrant expression of cuproptosis‑related gene LIPT1 is associated with metabolic dysregulation of fatty acid and prognosis in hepatocellular carcinoma. J Cancer Res Clin Oncol 2023; 149:15763-15779. [PMID: 37668796 DOI: 10.1007/s00432-023-05325-6] [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: 07/29/2023] [Accepted: 08/19/2023] [Indexed: 09/06/2023]
Abstract
PURPOSE Lipoyltransferase 1 (LIPT1) has been recently identified as a cuproptosis‑related gene. As a key enzyme of lipoic acid metabolism, LIPT1 has been revealed to play important roles in hereditary diseases involved with lipoic acid biosynthesis defects, while its roles in hepatocellular carcinoma (HCC) remain to be elucidated. Hence, we aimed to explore the roles and mechanisms of LIPT1 in HCC progression. METHODS The expression of LIPT1 in HCC tissues and its clinical significance for HCC were evaluated by bioinformatic analysis and in our patient cohort. The influences of LIPT1 on the growth, migration, and lipid metabolism of HCC cells were assessed in vitro. The underlying mechanisms were explored using gene set enrichment analysis (GSEA) and molecular experiments. RESULTS LIPT1 expression was significantly elevated in HCC tissues compared to the normal tissues, and such upregulation was associated with more malignant pathological features and poor prognosis of patients with HCC. LIPT1 silencing significantly inhibited cell proliferation, migration, and lipid content. GSEA revealed that LIPT1 upregulation was significantly associated with various cancer-associated signaling pathways, including the PI3K-AKT signaling pathway and the Wnt/β-catenin pathway. Further molecular experiments indicated that LIPT1 silencing repressed the expression of peroxisome proliferator-activated receptor gamma (PPARγ) and inactivated the AKT/GSK-3β/β-catenin signaling axis. CONCLUSIONS Upregulation of LIPT1 is involved in metabolic dysregulation of fatty acid and poor prognosis of HCC patients, which suggests that LIPT1 plays an important role in reprogramming lipid metabolism and could act as a potential prognostic marker and therapeutic target for HCC.
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Affiliation(s)
- Jinping Li
- Department of Histology and Embryology of School of Preclinical Medicine, Guilin Medical University, Guilin, Guangxi, People's Republic of China.
| | - Dayun Tuo
- Department of Histology and Embryology of School of Preclinical Medicine, Guilin Medical University, Guilin, Guangxi, People's Republic of China
| | - Gunan Guo
- Department of Histology and Embryology of School of Preclinical Medicine, Guilin Medical University, Guilin, Guangxi, People's Republic of China
- School of Stomatology, Zhaoqing Medical College, Zhaoqing, Guangdong, People's Republic of China
| | - Jinfeng Gan
- Guangxi Key Laboratory of Tumor Immunology and Microenvironmental Regulation, Guilin Medical University, Guilin, Guangxi, People's Republic of China.
- Guangxi Health Commission Key Laboratory of Tumor Immunology and Receptor-Targeted Drug Basic Research, Guilin Medical University, Guilin, Guangxi, People's Republic of China.
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13
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Liu X, Luo B, Wu X, Tang Z. Cuproptosis and cuproptosis-related genes: Emerging potential therapeutic targets in breast cancer. Biochim Biophys Acta Rev Cancer 2023; 1878:189013. [PMID: 37918452 DOI: 10.1016/j.bbcan.2023.189013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 09/12/2023] [Accepted: 10/20/2023] [Indexed: 11/04/2023]
Abstract
Breast cancer is one of the most common malignant tumors in women worldwide, and thus, it is important to enhance its treatment efficacy [1]. Copper has emerged as a critical trace element that affects various intracellular signaling pathways, gene expression, and biological metabolic processes [2], thereby playing a crucial role in the pathogenesis of breast cancer. Recent studies have identified cuproptosis, a newly discovered type of cell death, as an emerging therapeutic target for breast cancer treatment, thereby offering new hope for breast cancer patients. Tsvetkov's research has elucidated the mechanism of cuproptosis and uncovered the critical genes involved in its regulation [3]. Manipulating the expression of these genes could potentially serve as a promising therapeutic strategy for breast cancer treatment. Additionally, using copper ionophores and copper complexes combined with nanomaterials to induce cuproptosis may provide a potential approach to eliminating drug-resistant breast cancer cells, thus improving the therapeutic efficacy of chemotherapy, radiotherapy, and immunotherapy and eventually eradicating breast tumors. This review aims to highlight the practical significance of cuproptosis-related genes and the induction of cuproptosis in the clinical diagnosis and treatment of breast cancer. We examine the potential of cuproptosis as a novel therapeutic target for breast cancer, and we explore the present challenges and limitations of this approach. Our objective is to provide innovative ideas and references for the development of breast cancer treatment strategies based on cuproptosis.
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Affiliation(s)
- Xiangdong Liu
- Department of Radiotherapy Center, Hubei Cancer Hospital, The Seventh Clinical School Affiliated of Tongji Medical College, Huazhong University of Science and Technology, Hubei Provincial Clinical Research Center for Breast Cancer, Wuhan Clinical Research Center for Breast Cancer, Wuhan 430079, China
| | - Bo Luo
- Department of Radiotherapy Center, Hubei Cancer Hospital, The Seventh Clinical School Affiliated of Tongji Medical College, Huazhong University of Science and Technology, Hubei Provincial Clinical Research Center for Breast Cancer, Wuhan Clinical Research Center for Breast Cancer, Wuhan 430079, China.
| | - Xinhong Wu
- Department of Breast Surgery, Hubei Cancer Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei Provincial Clinical Research Center for Breast Cancer, Wuhan Clinical Research Center for Breast Cancer, Wuhan 430079, China
| | - Zijian Tang
- College of Biomedicine and Health, Huazhong Agricultural University, Wuhan, Hubei 430070, China
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14
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Wang C, Cui C, Xu P, Zhu L, Xue H, Chen B, Jiang P. Targeting PDK2 rescues stress-induced impaired brain energy metabolism. Mol Psychiatry 2023; 28:4138-4150. [PMID: 37188779 DOI: 10.1038/s41380-023-02098-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Revised: 04/27/2023] [Accepted: 04/28/2023] [Indexed: 05/17/2023]
Abstract
Depression is a mental illness frequently accompanied by disordered energy metabolism. A dysregulated hypothalamus pituitary adrenal axis response with aberrant glucocorticoids (GCs) release is often observed in patients with depression. However, the associated etiology between GCs and brain energy metabolism remains poorly understood. Here, using metabolomic analysis, we showed that the tricarboxylic acid (TCA) cycle was inhibited in chronic social defeat stress (CSDS)-exposed mice and patients with first-episode depression. Decreased mitochondrial oxidative phosphorylation was concomitant with the impairment of the TCA cycle. In parallel, the activity of pyruvate dehydrogenase (PDH), the gatekeeper of mitochondrial TCA flux, was suppressed, which is associated with the CSDS-induced neuronal pyruvate dehydrogenase kinase 2 (PDK2) expression and consequently enhanced PDH phosphorylation. Considering the well-acknowledged role of GCs in energy metabolism, we further demonstrated that glucocorticoid receptors (GR) stimulated PDK2 expression by directly binding to its promoter region. Meanwhile, silencing PDK2 abrogated glucocorticoid-induced PDH inhibition, restored the neuronal oxidative phosphorylation, and improved the flux of isotope-labeled carbon (U-13C] glucose) into the TCA cycle. Additionally, in vivo, pharmacological inhibition and neuron-specific silencing of GR or PDK2 restored CSDS-induced PDH phosphorylation and exerted antidepressant activities against chronic stress exposure. Taken together, our findings reveal a novel mechanism of depression manifestation, whereby elevated GCs levels regulate PDK2 transcription via GR, thereby impairing brain energy metabolism and contributing to the onset of this condition.
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Affiliation(s)
- Changshui Wang
- Department of Neurosurgery, Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, 272000, China
| | - Changmeng Cui
- Department of Neurosurgery, Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, 272000, China
| | - Pengfei Xu
- Translational Pharmaceutical Laboratory, Jining First People's Hospital, Shandong First Medical University, Jining, 272000, China
| | - Li Zhu
- Translational Pharmaceutical Laboratory, Jining First People's Hospital, Shandong First Medical University, Jining, 272000, China
| | - Hongjia Xue
- Faculty of Science and Engineering, University of Nottingham Ningbo China, Ningbo, 315100, China
| | - Beibei Chen
- ADFA School of Science, University of New South Wales, Canberra, ACT, Australia
| | - Pei Jiang
- Translational Pharmaceutical Laboratory, Jining First People's Hospital, Shandong First Medical University, Jining, 272000, China.
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15
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Wang A, Liu W, Jin Y, Wei B, Fan Y, Guo X, Gou X. Identification of immunological characteristics and cuproptosis-related molecular clusters in Rheumatoid arthritis. Int Immunopharmacol 2023; 123:110804. [PMID: 37595490 DOI: 10.1016/j.intimp.2023.110804] [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: 03/31/2023] [Revised: 08/09/2023] [Accepted: 08/11/2023] [Indexed: 08/20/2023]
Abstract
BACKGROUND Rheumatoid arthritis (RA) is a chronic autoimmune disease characterised by progressive articular damage, functional loss, and comorbidities. The relationship between cuproptosis, a form of programmed cell death, and RA remains unknown. Therefore, this study aimed to explore cuproptosis-related molecular clusters in RA. METHODS Gene expression profiles of GSE93272 were downloaded from the Gene Expression Omnibus to identify the expression profiles of cuproptosis regulators and the immune infiltration characteristics of RA. The molecular clusters of cuproptosis-related genes and the related immune cell infiltration were explored. Cluster-specific differentially expressed genes were identified using the weighted gene co-expression network analysis. Further, an external dataset (GSE15573) was used, and an enzyme-linked immunosorbent assay was performed to validate the predictive efficiency. RESULTS Thirteen cuproptosis-related genes and activated immune responses were identified between patients with RA and controls. Immune infiltration revealed significant immunological heterogeneity in the two cuproptosis-related molecular clusters in RA. Functional enrichment indicated that Cluster1 and Cluster2 were predominantly enriched in the toll-like receptor signalling pathway and regulation of autophagy, respectively. Further, the performance of FAM96A and CGRRF1 genes in the external validation dataset was observed to be relatively satisfactory (area under the receiver operating characteristic curve = 0.687 and 0.674, respectively). Based on our serum samples, FAM96A and CGRRF1 both exhibited higher expression levels in patients with RA (p = 0.001; p = 0.000). CONCLUSIONS Our study systematically illustrated the involvement of cuproptosis in the progression of RA, and explored the pathogenic mechanisms and novel therapeutic strategies for RA, targeting FAM96A and CGRRF1.
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Affiliation(s)
- Aihua Wang
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin 300193, China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin 300381, China
| | - Wei Liu
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin 300193, China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin 300381, China.
| | - Yue Jin
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin 300193, China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin 300381, China
| | - Bowen Wei
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin 300193, China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin 300381, China
| | - Yihua Fan
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin 300193, China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin 300381, China
| | - Xiaojing Guo
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin 300193, China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin 300381, China
| | - Xiaoping Gou
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin 300193, China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin 300381, China
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Chen G, Zhang J, Teng W, Luo Y, Ji X. FDX1 inhibits thyroid cancer malignant progression by inducing cuprotosis. Heliyon 2023; 9:e18655. [PMID: 37554785 PMCID: PMC10404994 DOI: 10.1016/j.heliyon.2023.e18655] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 07/19/2023] [Accepted: 07/24/2023] [Indexed: 08/10/2023] Open
Abstract
Cuprotosis is a recently identified cell death form that caused by intracellular copper accumulation and regulated by FDX1. This work aimed to explore the role of cuprotosis and the pivotal regulatory gene FDX1 in thyroid cancer development. We observed that expression of FDX1 in tumor section was notably lower than that in non-tumor sections in clinical samples. Induction of cuprotosis by elesclomol (ES) significantly repressed the in vitro and in vivo growth of thyroid cancer cells, simultaneously elevated Cu level and expression of FDX1, whereas depletion of FDX1 abolished these effects. Knockdown of FDX1 decreased the lipoylation level of DLAT and DLST in thyroid cancer cells, alleviated cuprotosis-induced cell death, simultaneously upregulated the levels of PA and α-KG. These findings demonstrated that FDX1 promotes the cuprotosis of thyroid cancer cells via regulating the lipoylation of DLAT.
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Affiliation(s)
- Gaoxiang Chen
- Department of Thyroid and Breast Surgery, Ningbo Medical Center Lihuili Hospital, No.57 XingNing Road, Ningbo, Zhejiang Province, China
| | - Jianan Zhang
- Department of Thyroid and Breast Surgery, Ningbo Medical Center Lihuili Hospital, No.57 XingNing Road, Ningbo, Zhejiang Province, China
| | - Weifeng Teng
- Department of Thyroid and Breast Surgery, Ningbo Medical Center Lihuili Hospital, No.57 XingNing Road, Ningbo, Zhejiang Province, China
| | - Yong Luo
- Department of Thyroid and Breast Surgery, Ningbo Medical Center Lihuili Hospital, No.57 XingNing Road, Ningbo, Zhejiang Province, China
| | - Xiaochun Ji
- Department of Thyroid and Breast Surgery, Ningbo Medical Center Lihuili Hospital, No.57 XingNing Road, Ningbo, Zhejiang Province, China
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17
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Yang X, Zhang X, Shen K, Wang Z, Liu G, Huang K, He Z, Li Y, Hou Z, Lv S, Zhang C, Yang H, Liu S, Ke Y. Cuproptosis-related genes signature and validation of differential expression and the potential targeting drugs in temporal lobe epilepsy. Front Pharmacol 2023; 14:1033859. [PMID: 37435496 PMCID: PMC10330702 DOI: 10.3389/fphar.2023.1033859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Accepted: 06/13/2023] [Indexed: 07/13/2023] Open
Abstract
Introduction: Temporal lobe epilepsy (TLE) is the most common subtype of epilepsy in adults and is characterized by neuronal loss, gliosis, and sprouting mossy fibers in the hippocampus. But the mechanism underlying neuronal loss has not been fully elucidated. A new programmed cell death, cuproptosis, has recently been discovered; however, its role in TLE is not clear. Methods: We first investigated the copper ion concentration in the hippocampus tissue. Then, using the Sample dataset and E-MTAB-3123 dataset, we analyzed the features of 12 cuproptosis-related genes in TLEs and controls using the bioinformatics tools. Then, the expression of the key cuproptosis genes were confirmed using real-time PCR and immunohistochemical staining (IHC). Finally, the Enrichr database was used to screen the small molecules and drugs targeting key cuproptosis genes in TLE. Results: The Sample dataset displayed four differentially expressed cuproptosis-related genes (DECRGs; LIPT1, GLS, PDHA1, and CDKN2A) while the E-MTAB-3123 dataset revealed seven DECRGs (LIPT1, DLD, FDX1, GLS, PDHB, PDHA1, and DLAT). Remarkably, only LIPT1 was uniformly upregulated in both datasets. Additionally, these DECRGs are implicated in the TCA cycle and pyruvate metabolism-both crucial for cell cuproptosis-as well as various immune cell infiltrations, especially macrophages and T cells, in the TLE hippocampus. Interestingly, DECRGs were linked to most infiltrating immune cells during TLE's acute phase, but this association considerably weakened in the latent phase. In the chronic phase, DECRGs were connected with several T-cell subclasses. Moreover, LIPT1, FDX1, DLD, and PDHB were related to TLE identification. PCR and IHC further confirmed LIPT1 and FDX1's upregulation in TLE compared to controls. Finally, using the Enrichr database, we found that chlorzoxazone and piperlongumine inhibited cell cuproptosis by targeting LIPT1, FDX1, DLD, and PDHB. Conclusion: Our findings suggest that cuproptosis is directly related to TLE. The signature of cuproptosis-related genes presents new clues for exploring the roles of neuronal death in TLE. Furthermore, LIPT1 and FDX1 appear as potential targets of neuronal cuproptosis for controlling TLE's seizures and progression.
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Affiliation(s)
- Xiaolin Yang
- Department of Neurosurgery, Second Affiliated Hospital, Army Medical University, Chongqing, China
| | - Xiaoqing Zhang
- Department of Neurosurgery, Second Affiliated Hospital, Army Medical University, Chongqing, China
| | - Kaifeng Shen
- Department of Neurosurgery, Second Affiliated Hospital, Army Medical University, Chongqing, China
| | - Zhongke Wang
- Department of Neurosurgery, Armed Police Hospital, Chongqing, China
| | - Guolong Liu
- Department of Neurosurgery, Second Affiliated Hospital, Army Medical University, Chongqing, China
| | - Kaixuan Huang
- Department of Neurosurgery, Second Affiliated Hospital, Army Medical University, Chongqing, China
| | - Zeng He
- Department of Neurosurgery, Second Affiliated Hospital, Army Medical University, Chongqing, China
| | - Yang Li
- Department of Neurosurgery, Second Affiliated Hospital, Army Medical University, Chongqing, China
| | - Zhi Hou
- Department of Neurosurgery, Second Affiliated Hospital, Army Medical University, Chongqing, China
| | - Shengqing Lv
- Department of Neurosurgery, Second Affiliated Hospital, Army Medical University, Chongqing, China
| | - Chunqing Zhang
- Department of Neurosurgery, Second Affiliated Hospital, Army Medical University, Chongqing, China
- Guangyang Bay Laboratory, Chongqing Institute for Brain and Intelligence, Chongqing, China
| | - Hui Yang
- Department of Neurosurgery, Second Affiliated Hospital, Army Medical University, Chongqing, China
- Guangyang Bay Laboratory, Chongqing Institute for Brain and Intelligence, Chongqing, China
| | - Shiyong Liu
- Department of Neurosurgery, Second Affiliated Hospital, Army Medical University, Chongqing, China
- Guangyang Bay Laboratory, Chongqing Institute for Brain and Intelligence, Chongqing, China
| | - Yanyan Ke
- Department of Neurosurgery, Second Affiliated Hospital, Army Medical University, Chongqing, China
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Wu Z, Bezwada D, Harris RC, Pan C, Nguyen PT, Faubert B, Cai L, Cai F, Vu HS, Chen H, Sandoval MM, Do D, Gu W, Zhang Y, Ko B, Brooks B, Kelekar S, Zhang Y, Zacharias LG, Oaxaca KC, Mathews TP, Garcia-Bermudez J, Ni M, DeBerardinis RJ. Electron transport chain inhibition increases cellular dependence on purine transport and salvage. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.05.11.540429. [PMID: 37214913 PMCID: PMC10197673 DOI: 10.1101/2023.05.11.540429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Cancer cells reprogram their metabolism to support cell growth and proliferation in harsh environments. While many studies have documented the importance of mitochondrial oxidative phosphorylation (OXPHOS) in tumor growth, some cancer cells experience conditions of reduced OXPHOS in vivo and induce alternative metabolic pathways to compensate. To assess how human cells respond to mitochondrial dysfunction, we performed metabolomics in fibroblasts and plasma from patients with inborn errors of mitochondrial metabolism, and in cancer cells subjected to inhibition of the electron transport chain (ETC). All these analyses revealed extensive perturbations in purine-related metabolites; in non-small cell lung cancer (NSCLC) cells, ETC blockade led to purine metabolite accumulation arising from a reduced cytosolic NAD + /NADH ratio (NADH reductive stress). Stable isotope tracing demonstrated that ETC deficiency suppressed de novo purine nucleotide synthesis while enhancing purine salvage. Analysis of NSCLC patients infused with [U- 13 C]glucose revealed that tumors with markers of low oxidative mitochondrial metabolism exhibited high expression of the purine salvage enzyme HPRT1 and abundant levels of the HPRT1 product inosine monophosphate (IMP). ETC blockade also induced production of ribose-5' phosphate (R5P) by the pentose phosphate pathway (PPP) and import of purine nucleobases. Blocking either HPRT1 or nucleoside transporters sensitized cancer cells to ETC inhibition, and overexpressing nucleoside transporters was sufficient to drive growth of NSCLC xenografts. Collectively, this study mechanistically delineates how cells compensate for suppressed purine metabolism in response to ETC blockade, and uncovers a new metabolic vulnerability in tumors experiencing NADH excess.
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Cao S, Wang Q, Sun Z, Zhang Y, Liu Q, Huang Q, Ding G, Jia Z. Role of cuproptosis in understanding diseases. Hum Cell 2023:10.1007/s13577-023-00914-6. [PMID: 37154876 PMCID: PMC10165592 DOI: 10.1007/s13577-023-00914-6] [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] [Received: 03/09/2023] [Accepted: 04/28/2023] [Indexed: 05/10/2023]
Abstract
Cell death is involved in a wide range of physiological and pathological processes. Recently, the term "cuproptosis" was coined to describe a novel type of cell death. This type of cell death, characterized by copper accumulation and proteotoxic stress, is a copper-dependent manner of death. Despite the progress achieved toward a better understanding of cuproptosis, mechanisms and related signaling pathways in physiology and pathology across various diseases remain to be proved. This mini review summarizes current research on cuproptosis and diseases, providing insights into prospective clinical therapies via targeting cuproptosis.
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Affiliation(s)
- Shihan Cao
- Department of Nephrology, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, China
- Nanjing Key Laboratory of Pediatrics, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, China
- Jiangsu Key Laboratory of Pediatrics, Nanjing Medical University, Nanjing, 210029, China
| | - Qian Wang
- Department of Nephrology, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, China
- Nanjing Key Laboratory of Pediatrics, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, China
- Jiangsu Key Laboratory of Pediatrics, Nanjing Medical University, Nanjing, 210029, China
| | - Zhenzhen Sun
- Department of Nephrology, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, China
- Nanjing Key Laboratory of Pediatrics, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, China
- Jiangsu Key Laboratory of Pediatrics, Nanjing Medical University, Nanjing, 210029, China
| | - Yue Zhang
- Department of Nephrology, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, China
- Nanjing Key Laboratory of Pediatrics, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, China
- Jiangsu Key Laboratory of Pediatrics, Nanjing Medical University, Nanjing, 210029, China
| | - Qianqi Liu
- Department of Child Health Care, Children's Hospital of Nanjing Medical University, Nanjing, China
- Department of Endocrinology, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Qun Huang
- Department of Otorhinolaryngology, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, China.
| | - Guixia Ding
- Department of Nephrology, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, China.
- Nanjing Key Laboratory of Pediatrics, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, China.
- Jiangsu Key Laboratory of Pediatrics, Nanjing Medical University, Nanjing, 210029, China.
| | - Zhanjun Jia
- Department of Nephrology, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, China.
- Nanjing Key Laboratory of Pediatrics, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, China.
- Jiangsu Key Laboratory of Pediatrics, Nanjing Medical University, Nanjing, 210029, China.
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20
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Li D, Gao Z, Li Q, Liu X, Liu H. Cuproptosis-a potential target for the treatment of osteoporosis. Front Endocrinol (Lausanne) 2023; 14:1135181. [PMID: 37214253 PMCID: PMC10196240 DOI: 10.3389/fendo.2023.1135181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 04/10/2023] [Indexed: 05/24/2023] Open
Abstract
Osteoporosis is an age-related disease of bone metabolism marked by reduced bone mineral density and impaired bone strength. The disease causes the bones to weaken and break more easily. Osteoclasts participate in bone resorption more than osteoblasts participate in bone formation, disrupting bone homeostasis and leading to osteoporosis. Currently, drug therapy for osteoporosis includes calcium supplements, vitamin D, parathyroid hormone, estrogen, calcitonin, bisphosphates, and other medications. These medications are effective in treating osteoporosis but have side effects. Copper is a necessary trace element in the human body, and studies have shown that it links to the development of osteoporosis. Cuproptosis is a recently proposed new type of cell death. Copper-induced cell death regulates by lipoylated components mediated via mitochondrial ferredoxin 1; that is, copper binds directly to the lipoylated components of the tricarboxylic acid cycle, resulting in lipoylated protein accumulation and subsequent loss of iron-sulfur cluster proteins, leading to proteotoxic stress and eventually cell death. Therapeutic options for tumor disorders include targeting the intracellular toxicity of copper and cuproptosis. The hypoxic environment in bone and the metabolic pathway of glycolysis to provide energy in cells can inhibit cuproptosis, which may promote the survival and proliferation of various cells, including osteoblasts, osteoclasts, effector T cells, and macrophages, thereby mediating the osteoporosis process. As a result, our group tried to explain the relationship between the role of cuproptosis and its essential regulatory genes, as well as the pathological mechanism of osteoporosis and its effects on various cells. This study intends to investigate a new treatment approach for the clinical treatment of osteoporosis that is beneficial to the treatment of osteoporosis.
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Affiliation(s)
- Dinglin Li
- Department of Integrated Traditional Chinese and Western Medicine, Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhonghua Gao
- Department of Geriatrics, Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qian Li
- Department of Integrated Traditional Chinese and Western Medicine, Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiangjie Liu
- Department of Geriatrics, Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hao Liu
- Department of Integrated Traditional Chinese and Western Medicine, Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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21
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Xie J, Yang Y, Gao Y, He J. Cuproptosis: mechanisms and links with cancers. Mol Cancer 2023; 22:46. [PMID: 36882769 PMCID: PMC9990368 DOI: 10.1186/s12943-023-01732-y] [Citation(s) in RCA: 117] [Impact Index Per Article: 117.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Accepted: 01/25/2023] [Indexed: 03/09/2023] Open
Abstract
Cuproptosis was a copper-dependent and unique kind of cell death that was separate from existing other forms of cell death. The last decade has witnessed a considerable increase in investigations of programmed cell death, and whether copper induced cell death was an independent form of cell death has long been argued until mechanism of cuproptosis has been revealed. After that, increasing number of researchers attempted to identify the relationship between cuproptosis and the process of cancer. Thus, in this review, we systematically detailed the systemic and cellular metabolic processes of copper and the copper-related tumor signaling pathways. Moreover, we not only focus on the discovery process of cuproptosis and its mechanism, but also outline the association between cuproptosis and cancers. Finally, we further highlight the possible therapeutic direction of employing copper ion ionophores with cuproptosis-inducing functions in combination with small molecule drugs for targeted therapy to treat specific cancers.
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Affiliation(s)
- Jiaming Xie
- Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China.,State Key Laboratory of Molecular Oncology, National Cancer Center, National Clinical Research Center for Cancer, Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Yannan Yang
- Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China.,State Key Laboratory of Molecular Oncology, National Cancer Center, National Clinical Research Center for Cancer, Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Yibo Gao
- Central Laboratory & Shenzhen Key Laboratory of Epigenetics and Precision Medicine for Cancers, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital & Shenzhen Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shenzhen, 518116, China. .,Laboratory of Translational Medicine, National Cancer Center/National, Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 101399, China.
| | - Jie He
- Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China. .,State Key Laboratory of Molecular Oncology, National Cancer Center, National Clinical Research Center for Cancer, Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China. .,Laboratory of Translational Medicine, National Cancer Center/National, Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 101399, China.
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22
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Seim GL, John SV, Arp NL, Fang Z, Pagliarini DJ, Fan J. Nitric oxide-driven modifications of lipoic arm inhibit α-ketoacid dehydrogenases. Nat Chem Biol 2023; 19:265-274. [PMID: 36266351 PMCID: PMC9974485 DOI: 10.1038/s41589-022-01153-w] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Accepted: 08/31/2022] [Indexed: 12/30/2022]
Abstract
Pyruvate dehydrogenase complex (PDHC) and oxoglutarate dehydrogenase complex (OGDC), which belong to the mitochondrial α-ketoacid dehydrogenase family, play crucial roles in cellular metabolism. These multi-subunit enzyme complexes use lipoic arms covalently attached to their E2 subunits to transfer an acyl group to coenzyme A (CoA). Here, we report a novel mechanism capable of substantially inhibiting PDHC and OGDC: reactive nitrogen species (RNS) can covalently modify the thiols on their lipoic arms, generating a series of adducts that block catalytic activity. S-Nitroso-CoA, a product between RNS and the E2 subunit's natural substrate, CoA, can efficiently deliver these modifications onto the lipoic arm. We found RNS-mediated inhibition of PDHC and OGDC occurs during classical macrophage activation, driving significant rewiring of cellular metabolism over time. This work provides a new mechanistic link between RNS and mitochondrial metabolism with potential relevance for numerous physiological and pathological conditions in which RNS accumulate.
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Affiliation(s)
- Gretchen L Seim
- Morgridge Institute for Research, Madison, WI, USA
- Department of Nutritional Sciences, University of Wisconsin-Madison, Madison, WI, USA
| | - Steven V John
- Morgridge Institute for Research, Madison, WI, USA
- Cellular and Molecular Biology Graduate Program, University of Wisconsin-Madison, Madison, WI, USA
| | - Nicholas L Arp
- Morgridge Institute for Research, Madison, WI, USA
- Cellular and Molecular Biology Graduate Program, University of Wisconsin-Madison, Madison, WI, USA
| | - Zixiang Fang
- Department of Cell Biology and Physiology, Washington University School of Medicine, St. Louis, MO, USA
| | - David J Pagliarini
- Department of Cell Biology and Physiology, Washington University School of Medicine, St. Louis, MO, USA
- Department of Biochemistry and Molecular Biophysics, Washington University School of Medicine, St. Louis, MO, USA
- Department of Genetics, Washington University School of Medicine, St. Louis, MO, USA
| | - Jing Fan
- Morgridge Institute for Research, Madison, WI, USA.
- Department of Nutritional Sciences, University of Wisconsin-Madison, Madison, WI, USA.
- Cellular and Molecular Biology Graduate Program, University of Wisconsin-Madison, Madison, WI, USA.
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23
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Stacpoole PW, McCall CE. The pyruvate dehydrogenase complex: Life's essential, vulnerable and druggable energy homeostat. Mitochondrion 2023; 70:59-102. [PMID: 36863425 DOI: 10.1016/j.mito.2023.02.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 01/30/2023] [Accepted: 02/13/2023] [Indexed: 03/04/2023]
Abstract
Found in all organisms, pyruvate dehydrogenase complexes (PDC) are the keystones of prokaryotic and eukaryotic energy metabolism. In eukaryotic organisms these multi-component megacomplexes provide a crucial mechanistic link between cytoplasmic glycolysis and the mitochondrial tricarboxylic acid (TCA) cycle. As a consequence, PDCs also influence the metabolism of branched chain amino acids, lipids and, ultimately, oxidative phosphorylation (OXPHOS). PDC activity is an essential determinant of the metabolic and bioenergetic flexibility of metazoan organisms in adapting to changes in development, nutrient availability and various stresses that challenge maintenance of homeostasis. This canonical role of the PDC has been extensively probed over the past decades by multidisciplinary investigations into its causal association with diverse physiological and pathological conditions, the latter making the PDC an increasingly viable therapeutic target. Here we review the biology of the remarkable PDC and its emerging importance in the pathobiology and treatment of diverse congenital and acquired disorders of metabolic integration.
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Affiliation(s)
- Peter W Stacpoole
- Department of Medicine (Division of Endocrinology, Metabolism and Diabetes), and Department of Biochemistry and Molecular Biology, University of Florida, College of Medicine, Gainesville, FL, United States.
| | - Charles E McCall
- Department of Internal Medicine and Translational Sciences, and Department of Microbiology and Immunology, Wake Forest University School of Medicine, Winston-Salem, NC, United States
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24
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Luo D, Liu S, Luo J, Chen H, He Z, Gao Z, Wen Z, Liu X, Xu N. Characterization of cuproptosis identified immune microenvironment and prognosis in acute myeloid leukemia. Clin Transl Oncol 2023:10.1007/s12094-023-03118-4. [PMID: 36826709 DOI: 10.1007/s12094-023-03118-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Accepted: 02/09/2023] [Indexed: 02/25/2023]
Abstract
BACKGROUND Recent studies have reported that cuproptosis, a novel cell death pathway, strongly correlates with mitochondrial metabolism. In addition, the studies reported that cuproptosis plays a role in the development of several cancers and is regulated by protein lipoylation. During cuproptosis, copper binds to the lipoylated proteins and mediates cancer progression. However, the role of cuproptosis in acute myeloid leukemia (AML) patients is yet to be explored. METHODS This study curated seven cuproptosis-related-genes (CRGs): FDX1, DLAT, PDHB, PDHA1, DLD, LIAS, and LIPT1 to determine cuproptosis modification patterns and the CRGs signature in AML. The CIBERSORT and ssGSEA algorithms were utilized to evaluate the infiltration levels of different immune cell subtypes. A cuproptosis score system based on differentially expressed genes (DEGs) was constructed using the least absolute shrinkage and selection operator (LASSO) regression analysis. The developed cuproptosis score system was validated using two immunotherapy datasets, IMvigor210 and GSE78220. RESULTS Three distinct cuproptosis regulation patterns were identified using the Beat AML cohort. The results demonstrated that the three cuproptosis regulation patterns were correlated with various biological pathways and clinical outcomes. Tumor microenvironment (TME) characterization revealed that the identified cuproptosis regulation patterns were consistent with three immune profiles: immune-desert, immune-inflamed, and immune-excluded. The AML patients were grouped into low- and high-score groups based on the cuproptosis score system abstracted from 486 cuproptosis-related DEGs. Patients with lower cuproptosis scores were characterized by longer survival time and attenuated immune infiltration. It was found that lower cuproptosis scores were strongly correlated with lower somatic mutation frequency. Moreover, patients with lower cuproptosis scores presented more favorable immune responses and dual clinical benefits among external validation cohorts. CONCLUSIONS Cuproptosis phenotypes are significantly correlated with immune microenvironment complexity and variety. Cuprotopsis regulates the response of cancer cells to the immune system. Quantitatively assessing cuproptosis phenotypes in AML improves the understanding and knowledge regarding immune microenvironment characteristics and promotes the development of therapeutic interventions.
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Affiliation(s)
- Dongmei Luo
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, Guangdong, China
| | - Songyang Liu
- The First School of Clinical Medicine, Southern Medical University, Guangzhou, 510515, Guangdong, China
| | - Jie Luo
- Department of Hematology, First Affiliated Hospital of Hainan Medical College, Haikou, 570100, Hainan, China
| | - Hong Chen
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, Guangdong, China
| | - Zherou He
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, Guangdong, China
| | - Zicheng Gao
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, Guangdong, China
| | - Ziyu Wen
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, Guangdong, China
| | - Xiaoli Liu
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, Guangdong, China
| | - Na Xu
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, Guangdong, China.
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25
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Dreishpoon MB, Bick NR, Petrova B, Warui DM, Cameron A, Booker SJ, Kanarek N, Golub TR, Tsvetkov P. FDX1 regulates cellular protein lipoylation through direct binding to LIAS. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.02.03.526472. [PMID: 36778498 PMCID: PMC9915701 DOI: 10.1101/2023.02.03.526472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
Ferredoxins are a family of iron-sulfur (Fe-S) cluster proteins that serve as essential electron donors in numerous cellular processes that are conserved through evolution. The promiscuous nature of ferredoxins as electron donors enables them to participate in many metabolic processes including steroid, heme, vitamin D and Fe-S cluster biosynthesis in different organisms. However, the unique natural function(s) of each of the two human ferredoxins (FDX1 and FDX2) are still poorly characterized. We recently reported that FDX1 is both a crucial regulator of copper ionophore induced cell death and serves as an upstream regulator of cellular protein lipoylation, a mitochondrial lipid-based post translational modification naturally occurring on four mitochondrial enzymes that are crucial for TCA cycle function. Here we show that FDX1 regulates protein lipoylation by directly binding to the lipoyl synthase (LIAS) enzyme and not through indirect regulation of cellular Fe-S cluster biosynthesis. Metabolite profiling revealed that the predominant cellular metabolic outcome of FDX1 loss-of-function is manifested through the regulation of the four lipoylation-dependent enzymes ultimately resulting in loss of cellular respiration and sensitivity to mild glucose starvation. Transcriptional profiling of cells growing in either normal or low glucose conditions established that FDX1 loss-of-function results in the induction of both compensatory metabolism related genes and the integrated stress response, consistent with our findings that FDX1 loss-of-functions is conditionally lethal. Together, our findings establish that FDX1 directly engages with LIAS, promoting cellular protein lipoylation, a process essential in maintaining cell viability under low glucose conditions.
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Affiliation(s)
| | | | - Boryana Petrova
- Harvard Medical School, Boston, MA, USA
- Department of Pathology, Boston Children’s Hospital, Boston, MA USA
| | - Douglas M. Warui
- Department of Chemistry and Biochemistry and Molecular Biology and the Howard Hughes Medical Institute, The Pennsylvania State University, PA, United States
| | | | - Squire J. Booker
- Department of Chemistry and Biochemistry and Molecular Biology and the Howard Hughes Medical Institute, The Pennsylvania State University, PA, United States
| | - Naama Kanarek
- Broad Institute of Harvard and MIT, Cambridge, USA
- Harvard Medical School, Boston, MA, USA
- Department of Pathology, Boston Children’s Hospital, Boston, MA USA
| | - Todd R. Golub
- Broad Institute of Harvard and MIT, Cambridge, USA
- Harvard Medical School, Boston, MA, USA
- Department of Pediatric Oncology, Dana Farber Cancer Institute, Boston, MA, USA
- Division of Pediatric Hematology/Oncology, Boston Children’s Hospital, Boston, MA, USA
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26
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Chang B, Hu Z, Chen L, Jin Z, Yang Y. Development and validation of cuproptosis-related genes in synovitis during osteoarthritis progress. Front Immunol 2023; 14:1090596. [PMID: 36817415 PMCID: PMC9932029 DOI: 10.3389/fimmu.2023.1090596] [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: 11/09/2022] [Accepted: 01/24/2023] [Indexed: 02/05/2023] Open
Abstract
Osteoarthritis (OA) is one of the most common refractory degenerative joint diseases worldwide. Synovitis is believed to drive joint cartilage destruction during OA pathogenesis. Cuproptosis is a novel form of copper-induced cell death. However, few studies have examined the correlations between cuproptosis-related genes (CRGs), immune infiltration, and synovitis. Therefore, we analyzed CRGs in synovitis during OA. Microarray datasets (GSE55235, GSE55457, GSE12021, GSE82107 and GSE176308) were downloaded from the Gene Expression Omnibus database. Next, we conducted differential and subtype analyses of CRGs across synovitis. Immune infiltration and correlation analyses were performed to explore the association between CRGs and immune cell abundance in synovitis. Finally, single-cell RNA-seq profiling was performed using the GSE176308 dataset to investigate the expression of CRGs in the various cell clusters. We found that the expression of five CRGs (FDX1, LIPT1, PDHA1, PDHB, and CDKN2A) was significantly increased in the OA synovium. Moreover, abundant and various types of immune cells infiltrated the synovium during OA, which was correlated with the expression of CRGs. Additionally, single-cell RNA-seq profiling revealed that the cellular composition of the synovium was complex and that their proportions varied greatly as OA progressed. The expression of CRGs differed across various cell types in the OA synovium. The current study predicted that cuproptosis may be involved in the pathogenesis of synovitis. The five screened CRGs (FDX1, LIPT1, PDHA1, PDHB, and CDKN2A) could be explored as candidate biomarkers or therapeutic targets for OA synovitis.
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Affiliation(s)
- Bohan Chang
- Department of Rheumatology, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
| | - Zhehan Hu
- Department of Orthopedic Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Liang Chen
- Department of Orthopedic Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Zhuangzhuang Jin
- Department of Emergence Medicine, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Yue Yang
- Department of Orthopedic Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
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27
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Lin H, Wu D, Xiao J. Identification of key cuproptosis-related genes and their targets in patients with IgAN. BMC Nephrol 2022; 23:354. [PMID: 36329405 PMCID: PMC9635123 DOI: 10.1186/s12882-022-02991-5] [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: 06/09/2022] [Accepted: 10/25/2022] [Indexed: 11/05/2022] Open
Abstract
BACKGROUND IgA nephropathy (IgAN) is one of the most common forms of chronic glomerulonephritis, but the aetiology and pathogenesis remain unclear. Cuproptosis is a newly identified form of cell death that plays an important role in many diseases. Researchers have not clearly determined whether the expression of cuproptosis-related genes (CRGs) is involved in the pathogenesis of IgAN. METHODS The GSE93798, GSE50469 and GSE37460 datasets containing microarray data from patients with IgAN (63) and healthy controls (31) were downloaded from the GEO database. Immune cells and immune-related functions were analysed in patients with IgAN and controls, and genes were identified that may be related to cuproptosis. A logistic regression model was established according to the results, and then GO and KEGG enrichment analyses were performed. Finally, possible drugs were selected using the DSigDB database. RESULTS The subjects in the different groups showed significantly different fractions of immune cells and immune-related functions, and 11 genes related to cuproptosis may be involved in these processes. Based on these 11 genes, the ROC curve was plotted, and the AUC value was calculated (0.898, 95% CI: 0.839-0.958). The result revealed good predictability. Then, genes with P < 0.05 (lipoyltransferase 1, LIPT1) were selected to plot an ROC curve, and the AUC value was calculated (0.729, 95% CI: 0.636-0.821). Enrichment analyses showed that the TCA cycle and multiple metabolic pathways may also be involved in the occurrence of IgAN. Finally, 293 potential drugs that may be used to treat IgAN were identified based on these genes. CONCLUSION In this study, we identified some novel CRGs that may be involved in IgAN, among which LIPT1 was significantly differentially expressed. It may predict the risk of IgAN and provides a possible target for the treatment of IgAN. Further experimental studies are needed to explore how these CRGs mediate the occurrence and development of IgAN.
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Affiliation(s)
- Huagang Lin
- grid.413597.d0000 0004 1757 8802Department of Nephrology, Huadong Hospital Affiliated to Fudan University, 200040 Shanghai, P.R. China ,grid.8547.e0000 0001 0125 2443Shanghai Key Laboratory of Clinical Geriatric Medicine, Huadong Hospital, Fudan University, Shanghai, P.R. China
| | - Deping Wu
- grid.413597.d0000 0004 1757 8802Department of Nephrology, Huadong Hospital Affiliated to Fudan University, 200040 Shanghai, P.R. China ,grid.8547.e0000 0001 0125 2443Shanghai Key Laboratory of Clinical Geriatric Medicine, Huadong Hospital, Fudan University, Shanghai, P.R. China
| | - Jing Xiao
- Department of Nephrology, Huadong Hospital Affiliated to Fudan University, 200040, Shanghai, P.R. China. .,Shanghai Key Laboratory of Clinical Geriatric Medicine, Huadong Hospital, Fudan University, Shanghai, P.R. China.
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28
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Liu Y, Luo G, Yan Y, Peng J. A pan-cancer analysis of copper homeostasis-related gene lipoyltransferase 1: Its potential biological functions and prognosis values. Front Genet 2022; 13:1038174. [PMID: 36330439 PMCID: PMC9623413 DOI: 10.3389/fgene.2022.1038174] [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: 09/06/2022] [Accepted: 10/05/2022] [Indexed: 11/23/2022] Open
Abstract
As a key copper homeostasis-related molecule, lipoyltransferase 1 (LIPT1) is an essential enzyme for the activation of mitochondrial 2-ketoacid dehydrogenase, participating in fatty acylation. However, the biological significances of LIPT1 in the pan-cancer are unclear. Here, we comprehensively analyzed the functional characteristics of LIPT1 in human cancers and its roles in immune response. We found that LIPT1 was down-regulated in some cancers. And LIPT1 overexpression is associated with favorable prognosis in these patients, such as breast cancer, clear cell renal cell carcinoma, ovarian cancer and gastric cancer. We also explored the mutational status and methylation levels of LIPT1 in human cancers. Gene enrichment analysis indicated that abnormally expressed LIPT1 was significantly associated with immune cells infiltration, such as B cells, CD8+ T cells and cancer-associated fibroblast cells. The result from single cell sequencing reflected the important roles of LIPT1 in the regulation of several biological behaviors of cancer cells, such as DNA damage response and cell apoptosis. Taken together, our research could provide a comprehensive overview about the significances of LIPT1 in human pan-cancer progression, prognosis and immune.
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Affiliation(s)
- Ying Liu
- Department of Pathology, Xiangya Changde Hospital, Changde, China
| | - Gengqiu Luo
- Department of Pathology, Xiangya Hospital, Basic School of Medicine, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Yuanliang Yan
- Department of Pharmacy, Xiangya Hospital, Central South University, Changsha, China
- *Correspondence: Yuanliang Yan,
| | - Jinwu Peng
- Department of Pathology, Xiangya Hospital, Basic School of Medicine, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
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29
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Cong T, Luo Y, Liu Y, Yang C, Yang H, Li Y, Li J, Li X. Cuproptosis-related immune checkpoint gene signature: Prediction of prognosis and immune response for hepatocellular carcinoma. Front Genet 2022; 13:1000997. [PMID: 36276933 PMCID: PMC9579294 DOI: 10.3389/fgene.2022.1000997] [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: 07/22/2022] [Accepted: 09/20/2022] [Indexed: 11/13/2022] Open
Abstract
Immune checkpoint genes (ICGs), the foundation of immunotherapy, are involved in the incidence and progression of hepatocellular carcinoma (HCC). Cuproptosis is characterized by copper-induced cell death, and this novel cell death pathway has piqued the interest of researchers in recent years. It is worth noting that there is little information available in the literature to determine the relationship between cuproptosis and anti-tumor immunity. We identified 39 cuproptosis-related ICGs using ICGs co-expressed with cuproptosis-related genes. A prognostic risk signature was constructed using the Cox regression and the least absolute shrinkage and selection operator analysis methods. The signature was built using the Cancer Genome Atlas (TCGA)-Liver Hepatocellular Carcinoma database. The TCGA and International Cancer Genome Consortium cohorts were classified into two groups; the low- and high-risk groups were determined using a prognostic signature comprised of five genes. The multivariate Cox regression analysis revealed that the signature could independently predict overall survival. Furthermore, the level of immune infiltration analysis revealed the robustness of the prognostic signature-immune cell infiltration relationship observed for Tregs, macrophages, helper T cells, and naive B cells. Both groups showed significant differences in immune checkpoint expression levels. The gene enrichment analysis was used for characterization, and the results revealed that enriching various pathways such as PI3K-AKT-mTOR signaling, glycolysis, Wnt/beta-catenin signaling, and unfolded protein response could potentially influence the prognosis of patients with HCC and the level of immune infiltration. The sensitivity of the two groups of patients to various drug-targeted therapy methods and immunotherapy was analyzed. In conclusion, the findings presented here lay the foundation for developing individualized treatment methods for HCC patients. The findings also revealed that studying the cuproptosis-based pathway can aid in the prognosis of HCC patients. It is also possible that cuproptosis contributes to developing anti-tumor immunity in patients.
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30
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Zhang H, Shi Y, Yi Q, Wang C, Xia Q, Zhang Y, Jiang W, Qi J. A novel defined cuproptosis-related gene signature for predicting the prognosis of lung adenocarcinoma. Front Genet 2022; 13:975185. [PMID: 36046242 PMCID: PMC9421257 DOI: 10.3389/fgene.2022.975185] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 07/05/2022] [Indexed: 01/01/2023] Open
Abstract
Lung adenocarcinoma (LUAD) has become the most prevalent histologic subset of primary lung cancer, and effective innovative prognostic models are needed to enhance the feasibility of targeted therapies for the disease. Programmed cell death (PCD) performs an integral function in the origin and treatment of cancer. Some PCD-related effective signatures for predicting prognosis in LUAD patients could provide potential therapeutic options in LUAD. A copper-dependent cell death referred to as cuproptosis is distinct from known PCD. However, whether cuproptosis is associated with LUAD patients' prognoses and the potential roles of cuproptosis-related genes involved is still unknown. For the prediction of LUAD prognosis, we developed a unique cuproptosis-associated gene signature. In The Cancer Genome Atlas (TCGA) cohort, the score derived from the risk signature on the basis of six cuproptosis-related genes was found to independently serve as a risk factor for anticipating lung cancer-related death. The differentially expressed genes between the high- and low-risk groups were linked to the cilium-related function. LUAD patients’ prognoses may now be predicted by a unique gene signature identified in this work. This discovery also provides a substantial foundation for future research into the links between cuproptosis-associated genes and cilium-related function in LUAD patients.
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Affiliation(s)
- Huizhe Zhang
- Department of Respiratory Medicine, Yancheng Hospital of Traditional Chinese Medicine, Yancheng Hospital Affiliated to Nanjing University of Chinese Medicine, Yancheng, China
| | - Yanchen Shi
- Department of Pulmonary and Critical Care Medicine, Traditional Chinese and Western Medicine Clinical College of Nanjing University of Chinese Medicine, Nanjing, China
| | - Qing Yi
- Department of Pulmonary and Critical Care Medicine, Traditional Chinese and Western Medicine Clinical College of Nanjing University of Chinese Medicine, Nanjing, China
| | - Cong Wang
- Department of Pulmonary and Critical Care Medicine, Jiangyin Hospital of Traditional Chinese Medicine, Jiangyin Hospital Affiliated to Nanjing University of Chinese Medicine, Jiangyin, China
| | - Qingqing Xia
- Department of Pulmonary and Critical Care Medicine, Jiangyin Hospital of Traditional Chinese Medicine, Jiangyin Hospital Affiliated to Nanjing University of Chinese Medicine, Jiangyin, China
| | - Yufeng Zhang
- Department of Pulmonary and Critical Care Medicine, Jiangyin Hospital of Traditional Chinese Medicine, Jiangyin Hospital Affiliated to Nanjing University of Chinese Medicine, Jiangyin, China
- *Correspondence: Yufeng Zhang, ; Weilong Jiang, ; Jia Qi,
| | - Weilong Jiang
- Department of Pulmonary and Critical Care Medicine, Jiangyin Hospital of Traditional Chinese Medicine, Jiangyin Hospital Affiliated to Nanjing University of Chinese Medicine, Jiangyin, China
- *Correspondence: Yufeng Zhang, ; Weilong Jiang, ; Jia Qi,
| | - Jia Qi
- Department of Pharmacy, Xin Hua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- *Correspondence: Yufeng Zhang, ; Weilong Jiang, ; Jia Qi,
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31
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Zhao J, Guo S, Schrodi SJ, He D. Cuproptosis and cuproptosis-related genes in rheumatoid arthritis: Implication, prospects, and perspectives. Front Immunol 2022; 13:930278. [PMID: 35990673 PMCID: PMC9386151 DOI: 10.3389/fimmu.2022.930278] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 07/18/2022] [Indexed: 11/14/2022] Open
Abstract
Rheumatoid arthritis (RA) is an autoimmune disease that severely affects patients' physical and mental health, leading to chronic synovitis and destruction of bone joints. Although various available clinical treatment options exist, patients respond with varying efficacies due to multiple factors, and there is an urgent need to discover new treatment options to improve clinical outcomes. Cuproptosis is a newly characterized form of cell death. Copper causes cuproptosis by binding to lipid-acylated components of the tricarboxylic acid cycle, leading to protein aggregation, loss of iron-sulfur cluster proteins, and eventually proteotoxic stress. Targeting copper cytotoxicity and cuproptosis are considered potential options for treating oncological diseases. The synovial hypoxic environment and the presence of excessive glycolysis in multiple cells appear to act as inhibitors of cuproptosis, which can lead to excessive survival and proliferation of multiple immune cells, such as fibroblast-like synoviocytes, effector T cells, and macrophages, further mediating inflammation and bone destruction in RA. Therefore, in this study, we attempted to elaborate and summarize the linkage of cuproptosis and key genes regulating cuproptosis to the pathological mechanisms of RA and their effects on a variety of immune cells. This study aimed to provide a theoretical basis and support for translating preclinical and experimental results of RA to clinical protocols.
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Affiliation(s)
- Jianan Zhao
- Department of Rheumatology, Shanghai Guanghua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China,Guanghua Clinical Medical College, Shanghai University of Traditional Chinese Medicine, Shanghai, China,Institute of Arthritis Research in Integrative Medicine, Shanghai Academy of Traditional Chinese Medicine, Shanghai, China
| | - Shicheng Guo
- Computation and Informatics in Biology and Medicine, University of Wisconsin-Madison, Madison, WI, United States,Department of Medical Genetics, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, United States,*Correspondence: Shicheng Guo, ; Steven J. Schrodi, ; Dongyi He,
| | - Steven J. Schrodi
- Computation and Informatics in Biology and Medicine, University of Wisconsin-Madison, Madison, WI, United States,Department of Medical Genetics, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, United States,*Correspondence: Shicheng Guo, ; Steven J. Schrodi, ; Dongyi He,
| | - Dongyi He
- Department of Rheumatology, Shanghai Guanghua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China,Guanghua Clinical Medical College, Shanghai University of Traditional Chinese Medicine, Shanghai, China,Institute of Arthritis Research in Integrative Medicine, Shanghai Academy of Traditional Chinese Medicine, Shanghai, China,Arthritis Institute of Integrated Traditional and Western Medicine, Shanghai Chinese Medicine Research Institute, Shanghai, China,*Correspondence: Shicheng Guo, ; Steven J. Schrodi, ; Dongyi He,
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32
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DeBerardinis RJ, Keshari KR. Metabolic analysis as a driver for discovery, diagnosis, and therapy. Cell 2022; 185:2678-2689. [PMID: 35839759 PMCID: PMC9469798 DOI: 10.1016/j.cell.2022.06.029] [Citation(s) in RCA: 48] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 06/13/2022] [Accepted: 06/14/2022] [Indexed: 12/14/2022]
Abstract
Metabolic anomalies contribute to tissue dysfunction. Current metabolism research spans from organelles to populations, and new technologies can accommodate investigation across these scales. Here, we review recent advancements in metabolic analysis, including small-scale metabolomics techniques amenable to organelles and rare cell types, functional screening to explore how cells respond to metabolic stress, and imaging approaches to non-invasively assess metabolic perturbations in diseases. We discuss how metabolomics provides an informative phenotypic dimension that complements genomic analysis in Mendelian and non-Mendelian disorders. We also outline pressing challenges and how addressing them may further clarify the biochemical basis of human disease.
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Affiliation(s)
- Ralph J DeBerardinis
- Howard Hughes Medical Institute and Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA.
| | - Kayvan R Keshari
- Department of Radiology and Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA.
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Lv H, Liu X, Zeng X, Liu Y, Zhang C, Zhang Q, Xu J. Comprehensive Analysis of Cuproptosis-Related Genes in Immune Infiltration and Prognosis in Melanoma. Front Pharmacol 2022; 13:930041. [PMID: 35837286 PMCID: PMC9273972 DOI: 10.3389/fphar.2022.930041] [Citation(s) in RCA: 110] [Impact Index Per Article: 55.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 05/19/2022] [Indexed: 12/16/2022] Open
Abstract
Skin cutaneous melanoma (SKCM, hereafter referred to as melanoma) is the most lethal skin cancer with increasing incidence. Regulated cell death plays an important role in tumorigenesis and serves as an important target for almost all treatment strategies. Cuproptosis is the most recently identified copper-dependent regulated cell death form that relies on mitochondria respiration. However, its role in tumorigenesis remains unknown. The correlation of cuproptosis-related genes with tumor prognosis is far to be understood, either. In the present study, we explored the correlation between cuproptosis-related genes with the prognosis of melanoma by accessing and analyzing a public database and found 11 out 12 genes were upregulated in melanoma tissues and three genes (LIPT1, PDHA1, and SLC31A1) have predictive value for the prognosis. The subgroup of melanoma patients with higher cuproptosis-related gene expression showed longer overall survival than those with lower gene expression. We chose LIPT1 for further exploration. LIPT1 expression was increased in melanoma biopsies and was an independent favorable prognostic indicator for melanoma patients. Moreover, LIPT1 expression was positively correlated with PD-L1 expression and negatively associated with Treg cell infiltration. The melanoma patients with higher LIPT1 expression showed longer overall survival than those with lower LIPT1 expression after receiving immunotherapy, indicating the prognostic predictive value of LIPT1. Finally, a pan-cancer analysis indicated that LIPT1 was differentially expressed in diverse cancers as compared to normal tissues and correlated with the expression of multiple immune checkpoints, especially PD-L1. It could serve as a favorable prognosis indicator in some cancer types. In conclusion, our study demonstrated the prognostic value of cuproptosis-related genes, especially LIPT1, in melanoma, and revealed the correlation between LIPT1 expression and immune infiltration in melanoma, thus providing new clues on the prognostic assessment of melanoma patients and providing a new target for the immunotherapy of melanoma.
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Affiliation(s)
- Haozhen Lv
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, China
| | - Xiao Liu
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, China
| | - Xuanhao Zeng
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, China
| | - Yating Liu
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, China
| | - Canjing Zhang
- Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Qi Zhang
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, China
- *Correspondence: Qi Zhang, ; Jinhua Xu,
| | - Jinhua Xu
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, China
- Shanghai Institute of Dermatology, Shanghai, China
- *Correspondence: Qi Zhang, ; Jinhua Xu,
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Xie Y, Du S, Liu Z, Liu M, Xu Z, Wang X, Kee JX, Yi F, Sun H, Yao SQ. Chemical Biology Tools for Protein Lysine Acylation. Angew Chem Int Ed Engl 2022; 61:e202200303. [PMID: 35302274 DOI: 10.1002/anie.202200303] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Indexed: 01/10/2023]
Abstract
Lysine acylation plays pivotal roles in cell physiology, including DNA transcription and repair, signal transduction, immune defense, metabolism, and many other key cellular processes. Molecular mechanisms of dysregulated lysine acylation are closely involved in the pathophysiological progress of many human diseases, most notably cancers. In recent years, chemical biology tools have become instrumental in studying the function of post-translational modifications (PTMs), identifying new "writers", "erasers" and "readers", and in targeted therapies. Here, we describe key developments in chemical biology approaches that have advanced the study of lysine acylation and its regulatory proteins (2016-2021). We further discuss the discovery of ligands (inhibitors and PROTACs) that are capable of targeting regulators of lysine acylation. Next, we discuss some current challenges of these chemical biology probes and suggest how chemists and biologists can utilize chemical probes with more discriminating capacity. Finally, we suggest some critical considerations in future studies of PTMs from our perspective.
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Affiliation(s)
- Yusheng Xie
- Department of Pharmacology, School of Basic Medical Sciences, Shandong University, Jinan, 250012, China
| | - Shubo Du
- Department of Chemistry, National University of Singapore, 4 Science Drive 2, Singapore, 117544, Singapore
| | - Zhiyang Liu
- Department of Chemistry, COSDAF (Centre of Super-Diamond and Advanced Films), City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Min Liu
- Department of Pharmacology, School of Basic Medical Sciences, Shandong University, Jinan, 250012, China
| | - Zhiqiang Xu
- Department of Chemistry, COSDAF (Centre of Super-Diamond and Advanced Films), City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Xiaojie Wang
- Department of Pharmacology, School of Basic Medical Sciences, Shandong University, Jinan, 250012, China
| | - Jia Xuan Kee
- Department of Chemistry, National University of Singapore, 4 Science Drive 2, Singapore, 117544, Singapore
| | - Fan Yi
- Department of Pharmacology, School of Basic Medical Sciences, Shandong University, Jinan, 250012, China
| | - Hongyan Sun
- Department of Chemistry, COSDAF (Centre of Super-Diamond and Advanced Films), City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Shao Q Yao
- Department of Chemistry, National University of Singapore, 4 Science Drive 2, Singapore, 117544, Singapore
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35
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Understanding Inborn Errors of Metabolism through Metabolomics. Metabolites 2022; 12:metabo12050398. [PMID: 35629902 PMCID: PMC9143820 DOI: 10.3390/metabo12050398] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 04/14/2022] [Accepted: 04/25/2022] [Indexed: 12/10/2022] Open
Abstract
Inborn errors of metabolism (IEMs) are rare diseases caused by a defect in a single enzyme, co-factor, or transport protein. For most IEMs, no effective treatment is available and the exact disease mechanism is unknown. The application of metabolomics and, more specifically, tracer metabolomics in IEM research can help to elucidate these disease mechanisms and hence direct novel therapeutic interventions. In this review, we will describe the different approaches to metabolomics in IEM research. We will discuss the strengths and weaknesses of the different sample types that can be used (biofluids, tissues or cells from model organisms; modified cell lines; and patient fibroblasts) and when each of them is appropriate to use.
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Solmonson A, Faubert B, Gu W, Rao A, Cowdin MA, Menendez-Montes I, Kelekar S, Rogers TJ, Pan C, Guevara G, Tarangelo A, Zacharias LG, Martin-Sandoval MS, Do D, Pachnis P, Dumesnil D, Mathews TP, Tasdogan A, Pham A, Cai L, Zhao Z, Ni M, Cleaver O, Sadek HA, Morrison SJ, DeBerardinis RJ. Compartmentalized metabolism supports midgestation mammalian development. Nature 2022; 604:349-353. [PMID: 35388219 PMCID: PMC9007737 DOI: 10.1038/s41586-022-04557-9] [Citation(s) in RCA: 46] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Accepted: 02/08/2022] [Indexed: 12/21/2022]
Abstract
Mammalian embryogenesis requires rapid growth and proper metabolic regulation1. Midgestation features increasing oxygen and nutrient availability concomitant with fetal organ development2,3. Understanding how metabolism supports development requires approaches to observe metabolism directly in model organisms in utero. Here we used isotope tracing and metabolomics to identify evolving metabolic programmes in the placenta and embryo during midgestation in mice. These tissues differ metabolically throughout midgestation, but we pinpointed gestational days (GD) 10.5-11.5 as a transition period for both placenta and embryo. Isotope tracing revealed differences in carbohydrate metabolism between the tissues and rapid glucose-dependent purine synthesis, especially in the embryo. Glucose's contribution to the tricarboxylic acid (TCA) cycle rises throughout midgestation in the embryo but not in the placenta. By GD12.5, compartmentalized metabolic programmes are apparent within the embryo, including different nutrient contributions to the TCA cycle in different organs. To contextualize developmental anomalies associated with Mendelian metabolic defects, we analysed mice deficient in LIPT1, the enzyme that activates 2-ketoacid dehydrogenases related to the TCA cycle4,5. LIPT1 deficiency suppresses TCA cycle metabolism during the GD10.5-GD11.5 transition, perturbs brain, heart and erythrocyte development and leads to embryonic demise by GD11.5. These data document individualized metabolic programmes in developing organs in utero.
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Affiliation(s)
- Ashley Solmonson
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Brandon Faubert
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA.,Section of Hematology and Oncology, Department of Medicine, The University of Chicago, Chicago, IL, USA
| | - Wen Gu
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Aparna Rao
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Mitzy A Cowdin
- Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Ivan Menendez-Montes
- Division of Cardiology, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Sherwin Kelekar
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Thomas J Rogers
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Chunxiao Pan
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Gerardo Guevara
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Amy Tarangelo
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Lauren G Zacharias
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Misty S Martin-Sandoval
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Duyen Do
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Panayotis Pachnis
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Dennis Dumesnil
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Thomas P Mathews
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Alpaslan Tasdogan
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA.,Department of Dermatology, University Hospital Essen and German Cancer Consortium, Partner Site Essen, Essen, Germany
| | - An Pham
- Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Ling Cai
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA.,Quantitative Biomedical Research Center, Department of Population and Data Sciences, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Zhiyu Zhao
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Min Ni
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Ondine Cleaver
- Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Hesham A Sadek
- Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX, USA.,Division of Cardiology, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Sean J Morrison
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA.,Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Ralph J DeBerardinis
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA. .,Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, TX, USA. .,Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA.
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37
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Xie Y, Du S, Liu Z, Liu M, Xu Z, Wang X, Kee JX, Yi F, Sun H, Yao SQ. Chemical Biology Tools for Protein Lysine Acylation. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202200303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Yusheng Xie
- Shandong University School of Basic Medical Science 250012 Jinan CHINA
| | - Shubo Du
- National University of Singapore Department of Chemistry SINGAPORE
| | - Zhiyang Liu
- City University of Hong Kong chemistry HONG KONG
| | - Min Liu
- Shandong University School of Basic Medical Sciences CHINA
| | - Zhiqiang Xu
- City University of Hong Kong Department of Chemistry HONG KONG
| | - Xiaojie Wang
- Shandong University School of Basic Medical Sciences CHINA
| | - Jia Xuan Kee
- National University of Singapore Chemistry SINGAPORE
| | - Fan Yi
- Shandong University School of basic medical sciences CHINA
| | - Hongyan Sun
- City University of Hong Kong department of chemistry HONG KONG
| | - Shao Q. Yao
- National University of Singapore Department of Chemistry 3 Science Dr. 117543 Singapore SINGAPORE
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38
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Tsvetkov P, Coy S, Petrova B, Dreishpoon M, Verma A, Abdusamad M, Rossen J, Joesch-Cohen L, Humeidi R, Spangler RD, Eaton JK, Frenkel E, Kocak M, Corsello SM, Lutsenko S, Kanarek N, Santagata S, Golub TR. Copper induces cell death by targeting lipoylated TCA cycle proteins. Science 2022; 375:1254-1261. [PMID: 35298263 DOI: 10.1126/science.abf0529] [Citation(s) in RCA: 1454] [Impact Index Per Article: 727.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Copper is an essential cofactor for all organisms, and yet it becomes toxic if concentrations exceed a threshold maintained by evolutionarily conserved homeostatic mechanisms. How excess copper induces cell death, however, is unknown. Here, we show in human cells that copper-dependent, regulated cell death is distinct from known death mechanisms and is dependent on mitochondrial respiration. We show that copper-dependent death occurs by means of direct binding of copper to lipoylated components of the tricarboxylic acid (TCA) cycle. This results in lipoylated protein aggregation and subsequent iron-sulfur cluster protein loss, which leads to proteotoxic stress and ultimately cell death. These findings may explain the need for ancient copper homeostatic mechanisms.
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Affiliation(s)
| | - Shannon Coy
- Laboratory of Systems Pharmacology, Department of Systems Biology, Boston, MA, USA.,Ludwig Center at Harvard, Harvard Medical School, Boston, MA, USA.,Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA.,Harvard Medical School, Boston, MA, USA
| | - Boryana Petrova
- Harvard Medical School, Boston, MA, USA.,Department of Pathology, Boston Children's Hospital, Boston, MA USA
| | | | - Ana Verma
- Laboratory of Systems Pharmacology, Department of Systems Biology, Boston, MA, USA.,Ludwig Center at Harvard, Harvard Medical School, Boston, MA, USA.,Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA.,Harvard Medical School, Boston, MA, USA
| | - Mai Abdusamad
- Broad Institute of Harvard and MIT, Cambridge, MA, USA
| | - Jordan Rossen
- Broad Institute of Harvard and MIT, Cambridge, MA, USA
| | | | - Ranad Humeidi
- Broad Institute of Harvard and MIT, Cambridge, MA, USA
| | | | - John K Eaton
- Broad Institute of Harvard and MIT, Cambridge, MA, USA
| | - Evgeni Frenkel
- Whitehead Institute and Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Mustafa Kocak
- Broad Institute of Harvard and MIT, Cambridge, MA, USA
| | - Steven M Corsello
- Broad Institute of Harvard and MIT, Cambridge, MA, USA.,Harvard Medical School, Boston, MA, USA.,Department of Medical Oncology, Dana Farber Cancer Institute, Boston, MA, USA
| | - Svetlana Lutsenko
- Department of Physiology, Johns Hopkins Medical Institutes, Baltimore, MD, USA
| | - Naama Kanarek
- Broad Institute of Harvard and MIT, Cambridge, MA, USA.,Harvard Medical School, Boston, MA, USA.,Department of Pathology, Boston Children's Hospital, Boston, MA USA
| | - Sandro Santagata
- Laboratory of Systems Pharmacology, Department of Systems Biology, Boston, MA, USA.,Ludwig Center at Harvard, Harvard Medical School, Boston, MA, USA.,Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA.,Harvard Medical School, Boston, MA, USA.,Department of Pathology, Dana Farber Cancer Institute, Boston, MA, USA
| | - Todd R Golub
- Broad Institute of Harvard and MIT, Cambridge, MA, USA.,Harvard Medical School, Boston, MA, USA.,Department of Pediatric Oncology, Dana Farber Cancer Institute, Boston, MA, USA.,Division of Pediatric Hematology/Oncology, Boston Children's Hospital, Boston, MA, USA
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40
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A “Weird” Mitochondrial Fatty Acid Oxidation as a Metabolic “Secret” of Cancer. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:2339584. [PMID: 35178152 PMCID: PMC8847026 DOI: 10.1155/2022/2339584] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 12/29/2021] [Indexed: 12/15/2022]
Abstract
Cancer metabolism is an extensively studied field since the discovery of the Warburg effect about 100 years ago and continues to be increasingly intriguing and enigmatic so far. It has become clear that glycolysis is not the only abnormally activated metabolic pathway in the cancer cells, but the same is true for the fatty acid synthesis (FAS) and mevalonate pathway. In the last decade, a lot of data have been accumulated on the pronounced mitochondrial fatty acid oxidation (mFAO) in many types of cancer cells. In this article, we discuss how mFAO can escape normal regulation under certain conditions and be overactivated. Such abnormal activation of mitochondrial β-oxidation can also be combined with mutations in certain enzymes of the Krebs cycle that are common in cancer. If overactivated β-oxidation is combined with other common cancer conditions, such as dysfunctions in the electron transport complexes, and/or hypoxia, this may alter the redox state of the mitochondrial matrix. We propose the idea that the altered mitochondrial redox state and/or inhibited Krebs cycle at certain segments may link mitochondrial β-oxidation to the citrate-malate shuttle instead to the Krebs cycle. We call this abnormal metabolic condition “β-oxidation shuttle”. It is unconventional mFAO, a separate metabolic pathway, unexplored so far as a source of energy, as well as a source of cataplerosis, leading to biomass accumulation, accelerated oxygen consumption, and ultimately a source of proliferation. It is inefficient as an energy source and must consume significantly more oxygen per mole of ATP produced when combined with acetyl-CoA consuming pathways, such as the FAS and mevalonate pathway.
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Cable J, Pourquié O, Wellen KE, Finley LWS, Aulehla A, Gould AP, Teleman A, Tu WB, Garrett WS, Miguel-Aliaga I, Perrimon N, Hooper LV, Walhout AJM, Wei W, Alexandrov T, Erez A, Ralser M, Rabinowitz JD, Hemalatha A, Gutiérrez-Pérez P, Chandel NS, Rutter J, Locasale JW, Landoni JC, Christofk H. Metabolic decisions in development and disease-a Keystone Symposia report. Ann N Y Acad Sci 2021; 1506:55-73. [PMID: 34414571 DOI: 10.1111/nyas.14678] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Accepted: 07/31/2021] [Indexed: 12/11/2022]
Abstract
There is an increasing appreciation for the role of metabolism in cell signaling and cell decision making. Precise metabolic control is essential in development, as evident by the disorders caused by mutations in metabolic enzymes. The metabolic profile of cells is often cell-type specific, changing as cells differentiate or during tumorigenesis. Recent evidence has shown that changes in metabolism are not merely a consequence of changes in cell state but that metabolites can serve to promote and/or inhibit these changes. Metabolites can link metabolic pathways with cell signaling pathways via several mechanisms, for example, by serving as substrates for protein post-translational modifications, by affecting enzyme activity via allosteric mechanisms, or by altering epigenetic markers. Unraveling the complex interactions governing metabolism, gene expression, and protein activity that ultimately govern a cell's fate will require new tools and interactions across disciplines. On March 24 and 25, 2021, experts in cell metabolism, developmental biology, and human disease met virtually for the Keystone eSymposium, "Metabolic Decisions in Development and Disease." The discussions explored how metabolites impact cellular and developmental decisions in a diverse range of model systems used to investigate normal development, developmental disorders, dietary effects, and cancer-mediated changes in metabolism.
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Affiliation(s)
| | - Olivier Pourquié
- Department of Genetics, Harvard Medical School, Boston, Massachusetts.,Department of Pathology, Brigham and Women's Hospital, Boston, Massachusetts.,Harvard Stem Cell Institute, Boston, Massachusetts
| | - Kathryn E Wellen
- Department of Cancer Biology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania
| | - Lydia W S Finley
- Cell Biology Program and Center for Epigenetics Research, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Alexander Aulehla
- Developmental Biology Unit, European Molecular Biology Laboratory, Heidelberg, Germany
| | | | - Aurelio Teleman
- German Cancer Research Center (DKFZ) and Heidelberg University, Heidelberg, Germany
| | - William B Tu
- Department of Biological Chemistry, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California
| | - Wendy Sarah Garrett
- Harvard T. H. Chan School of Public Health and Dana-Farber Cancer, Boston, Massachusetts
| | - Irene Miguel-Aliaga
- MRC London Institute of Medical Sciences and Institute of Clinical Sciences, Faculty of Medicine, Imperial College London, London, UK
| | - Norbert Perrimon
- Department of Genetics, Blavatnik Institute, Harvard Medical School and Howard Hughes Institute, Boston, Massachusetts
| | - Lora V Hooper
- Department of Immunology and Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, Texas
| | - A J Marian Walhout
- Program in Systems Biology and Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, Massachusetts
| | - Wei Wei
- Department of Pathology, Stanford University School of Medicine, Stanford, California.,Department of Biology and Stanford ChEM-H, Stanford University, Stanford, California
| | - Theodore Alexandrov
- Structural and Computational Biology Unit and Molecular Medicine Partnership Unit, European Molecular Biology Laboratory, Heidelberg, Germany.,Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, California
| | - Ayelet Erez
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot, Israel
| | - Markus Ralser
- Molecular Biology of Metabolism Laboratory, The Francis Crick Institute, London, UK.,Department of Biochemistry, Charité - Universitätsmedizin Berlin, Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
| | - Joshua D Rabinowitz
- Department of Chemistry and Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, New Jersey
| | - Anupama Hemalatha
- Department of Genetics, Yale School of Medicine, New Haven, Connecticut
| | - Paula Gutiérrez-Pérez
- Research Institute of Molecular Pathology (IMP), Vienna BioCenter (VBC), Vienna, Austria
| | - Navdeep S Chandel
- Department of Medicine, Robert H. Lurie Cancer Center, Chicago, Illinois.,Department of Biochemistry and Molecular Genetics, Robert H. Lurie Cancer Center Metabolomics Core, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Jared Rutter
- Department of Biochemistry and Howard Hughes Medical Institute, University of Utah, Salt Lake City, Utah
| | - Jason W Locasale
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, North Carolina
| | - Juan C Landoni
- Research Program in Stem Cells and Metabolism, University of Helsinki, Helsinki, Finland
| | - Heather Christofk
- Departments of Biological Chemistry and Molecular & Medical Pharmacology, David Geffen School of Medicine at UCLA, Los Angeles, California
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42
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Ni M, Black LF, Pan C, Vu H, Pei J, Ko B, Cai L, Solmonson A, Yang C, Nugent KM, Grishin NV, Xing C, Roeder E, DeBerardinis RJ. Metabolic impact of pathogenic variants in the mitochondrial glutamyl-tRNA synthetase EARS2. J Inherit Metab Dis 2021; 44:949-960. [PMID: 33855712 PMCID: PMC9219168 DOI: 10.1002/jimd.12387] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 04/06/2021] [Accepted: 04/12/2021] [Indexed: 12/15/2022]
Abstract
Glutamyl-tRNA synthetase 2 (encoded by EARS2) is a mitochondrial aminoacyl-tRNA synthetase required to translate the 13 subunits of the electron transport chain encoded by the mitochondrial DNA. Pathogenic EARS2 variants cause combined oxidative phosphorylation deficiency, subtype 12 (COXPD12), an autosomal recessive disorder involving lactic acidosis, intellectual disability, and other features of mitochondrial compromise. Patients with EARS2 deficiency present with variable phenotypes ranging from neonatal lethality to a mitigated disease with clinical improvement in early childhood. Here, we report a neonate homozygous for a rare pathogenic variant in EARS2 (c.949G>T; p.G317C). Metabolomics in primary fibroblasts from this patient revealed expected abnormalities in TCA cycle metabolites, as well as numerous changes in purine, pyrimidine, and fatty acid metabolism. To examine genotype-phenotype correlations in COXPD12, we compared the metabolic impact of reconstituting these fibroblasts with wild-type EARS2 versus four additional EARS2 variants from COXPD12 patients with varying clinical severity. Metabolomics identified a group of signature metabolites, mostly from the TCA cycle and amino acid metabolism, that discriminate between EARS2 variants causing relatively mild and severe COXPD12. Taken together, these findings indicate that metabolomics in patient-derived fibroblasts may help establish genotype-phenotype correlations in EARS2 deficiency and likely other mitochondrial disorders.
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Affiliation(s)
- Min Ni
- Children’s Medical Center Research Institute, The University of Texas Southwestern Medical Center, Dallas, Texas
- Department of Pediatrics, The University of Texas Southwestern Medical Center, Dallas, Texas
| | - Lauren F. Black
- Children’s Medical Center Research Institute, The University of Texas Southwestern Medical Center, Dallas, Texas
| | - Chunxiao Pan
- Children’s Medical Center Research Institute, The University of Texas Southwestern Medical Center, Dallas, Texas
| | - Hieu Vu
- Children’s Medical Center Research Institute, The University of Texas Southwestern Medical Center, Dallas, Texas
| | - Jimin Pei
- Department of Biophysics, The University of Texas Southwestern Medical Center, Dallas, Texas
- Department of Biochemistry, The University of Texas Southwestern Medical Center, Dallas, Texas
| | - Bookyung Ko
- Children’s Medical Center Research Institute, The University of Texas Southwestern Medical Center, Dallas, Texas
| | - Ling Cai
- Children’s Medical Center Research Institute, The University of Texas Southwestern Medical Center, Dallas, Texas
- Quantitative Biomedical Research Center, The University of Texas Southwestern Medical Center, Dallas, Texas
| | - Ashley Solmonson
- Children’s Medical Center Research Institute, The University of Texas Southwestern Medical Center, Dallas, Texas
| | - Chendong Yang
- Children’s Medical Center Research Institute, The University of Texas Southwestern Medical Center, Dallas, Texas
| | | | - Nick V. Grishin
- Department of Biophysics, The University of Texas Southwestern Medical Center, Dallas, Texas
- Department of Biochemistry, The University of Texas Southwestern Medical Center, Dallas, Texas
- Howard Hughes Medical Institute, The University of Texas Southwestern Medical Center, Dallas, Texas
| | - Chao Xing
- Eugene McDermott Center for Human Growth and Development, The University of Texas Southwestern Medical Center, Dallas, Texas
- Department of Bioinformatics, The University of Texas Southwestern Medical Center, Dallas, Texas
| | | | - Ralph J. DeBerardinis
- Children’s Medical Center Research Institute, The University of Texas Southwestern Medical Center, Dallas, Texas
- Department of Pediatrics, The University of Texas Southwestern Medical Center, Dallas, Texas
- Howard Hughes Medical Institute, The University of Texas Southwestern Medical Center, Dallas, Texas
- Eugene McDermott Center for Human Growth and Development, The University of Texas Southwestern Medical Center, Dallas, Texas
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43
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Guo S, Yang P, Liang B, Zhou F, Hou L, Kang L, Wang X. Aging features of the migratory locust at physiological and transcriptional levels. BMC Genomics 2021; 22:257. [PMID: 33838645 PMCID: PMC8037904 DOI: 10.1186/s12864-021-07585-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Accepted: 04/05/2021] [Indexed: 12/13/2022] Open
Abstract
Background Non-Drosophila insects provide diverse aging types and important complementary systems for studies of aging biology. However, little attention has been paid to the special roles of non-Drosophila insects in aging research. Here, the aging-related features of the migratory locust, Locusta migratoria, were determined at the physiological, cellular, and transcriptional levels. Results In physiological assessments, the flight performance and sperm state of locusts displayed clear aging-related decline in male adults. Transcriptional analyses demonstrated locusts have similar aging-related genes with model species. However, different from those of Drosophila and mammals, the organ-specific aging transcriptional features of locusts were characterized by intensive expression changes in flight muscle and fat body and little transcriptional changes in brain. The predominant transcriptional characteristics of flight muscle and fat body aging were changes in expression of mitochondrion-related genes and detoxification and phagocytosis genes, respectively. Cellular assessments revealed the incidence of mitochondrial abnormalities significantly increased in aged flight muscle, and apoptotic signals and nuclear abnormalities were enhanced in aged fat body but not in brain. In addition, some well-known aging genes and locust aging-related genes (i.e., IAP1, PGRP-SA, and LIPT1), whose roles in aging regulation were rarely reported, were demonstrated to affect lifespan, metabolism, and flight ability of locusts after RNAi. Conclusion This study revealed multi-level aging signatures of locust, thus laying a foundation for further investigation of aging mechanisms in this famous insect in the future. Supplementary Information The online version contains supplementary material available at 10.1186/s12864-021-07585-3.
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Affiliation(s)
- Siyuan Guo
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China.,CAS Center for Excellence in Biotic Interactions, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Pengcheng Yang
- Beijing Institutes of Life Science, Chinese Academy of Sciences, Beijing, 100101, China
| | - Bo Liang
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China.,CAS Center for Excellence in Biotic Interactions, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Feng Zhou
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Li Hou
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China.,CAS Center for Excellence in Biotic Interactions, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Le Kang
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China. .,CAS Center for Excellence in Biotic Interactions, University of Chinese Academy of Sciences, Beijing, 100049, China. .,Beijing Institutes of Life Science, Chinese Academy of Sciences, Beijing, 100101, China.
| | - Xianhui Wang
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China. .,CAS Center for Excellence in Biotic Interactions, University of Chinese Academy of Sciences, Beijing, 100049, China.
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44
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Andrade J, Shi C, Costa ASH, Choi J, Kim J, Doddaballapur A, Sugino T, Ong YT, Castro M, Zimmermann B, Kaulich M, Guenther S, Wilhelm K, Kubota Y, Braun T, Koh GY, Grosso AR, Frezza C, Potente M. Control of endothelial quiescence by FOXO-regulated metabolites. Nat Cell Biol 2021; 23:413-423. [PMID: 33795871 PMCID: PMC8032556 DOI: 10.1038/s41556-021-00637-6] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Accepted: 01/21/2021] [Indexed: 02/08/2023]
Abstract
Endothelial cells (ECs) adapt their metabolism to enable the growth of new blood vessels, but little is known how ECs regulate metabolism to adopt a quiescent state. Here, we show that the metabolite S-2-hydroxyglutarate (S-2HG) plays a crucial role in the regulation of endothelial quiescence. We find that S-2HG is produced in ECs after activation of the transcription factor forkhead box O1 (FOXO1), where it limits cell cycle progression, metabolic activity and vascular expansion. FOXO1 stimulates S-2HG production by inhibiting the mitochondrial enzyme 2-oxoglutarate dehydrogenase. This inhibition relies on branched-chain amino acid catabolites such as 3-methyl-2-oxovalerate, which increase in ECs with activated FOXO1. Treatment of ECs with 3-methyl-2-oxovalerate elicits S-2HG production and suppresses proliferation, causing vascular rarefaction in mice. Our findings identify a metabolic programme that promotes the acquisition of a quiescent endothelial state and highlight the role of metabolites as signalling molecules in the endothelium.
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Affiliation(s)
- Jorge Andrade
- Angiogenesis and Metabolism Laboratory, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
| | - Chenyue Shi
- Angiogenesis and Metabolism Laboratory, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
| | - Ana S H Costa
- Medical Research Council Cancer Unit, University of Cambridge, Cambridge, UK.,Cold Spring Harbor Laboratory, Cold Spring Harbor, NY, USA
| | - Jeongwoon Choi
- Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Korea.,Center for Vascular Research, Institute for Basic Science (IBS), Daejeon, Korea
| | - Jaeryung Kim
- Center for Vascular Research, Institute for Basic Science (IBS), Daejeon, Korea.,Department of Oncology and Ludwig Institute for Cancer Research, University of Lausanne and Centre Hospitalier Universitaire Vaudois, Epalinges, Switzerland
| | - Anuradha Doddaballapur
- Angiogenesis and Metabolism Laboratory, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
| | - Toshiya Sugino
- Angiogenesis and Metabolism Laboratory, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
| | - Yu Ting Ong
- Angiogenesis and Metabolism Laboratory, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
| | - Marco Castro
- Angiogenesis and Metabolism Laboratory, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
| | - Barbara Zimmermann
- Angiogenesis and Metabolism Laboratory, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
| | - Manuel Kaulich
- Gene Editing Group, Institute of Biochemistry II, Goethe University, Frankfurt (Main), Germany
| | - Stefan Guenther
- Department of Cardiac Development and Remodeling, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
| | - Kerstin Wilhelm
- Angiogenesis and Metabolism Laboratory, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
| | - Yoshiaki Kubota
- Department of Anatomy, Keio University School of Medicine, Tokyo, Japan
| | - Thomas Braun
- Department of Cardiac Development and Remodeling, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
| | - Gou Young Koh
- Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Korea.,Center for Vascular Research, Institute for Basic Science (IBS), Daejeon, Korea
| | - Ana Rita Grosso
- UCIBIO-Unidade de Ciências Biomoleculares Aplicadas, Departamento Ciências da Vida, Faculdade de Ciências e Tecnologia-Universidade Nova de Lisboa Campus de Caparica, Caparica, Portugal.,Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
| | - Christian Frezza
- Medical Research Council Cancer Unit, University of Cambridge, Cambridge, UK
| | - Michael Potente
- Angiogenesis and Metabolism Laboratory, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany. .,Berlin Institute of Health (BIH) at Charité-Universitätsmedizin Berlin, Berlin, Germany. .,Max Delbrück Center for Molecular Medicine (MDC), Berlin, Germany.
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45
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Tang Q, Guo Y, Meng L, Chen X. Chemical Tagging of Protein Lipoylation. Angew Chem Int Ed Engl 2021; 60:4028-4033. [PMID: 33174356 DOI: 10.1002/anie.202010981] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 10/26/2020] [Indexed: 12/20/2022]
Abstract
Protein lipoylation is a post-translational modification of emerging importance in both prokaryotes and eukaryotes. However, labeling and large-scale profiling of protein lipoylation remain challenging. Here, we report the development of iLCL (iodoacetamide-assisted lipoate-cyclooctyne ligation), a chemoselective reaction that enables chemical tagging of protein lipoylation. We demonstrate that the cyclic disulfide of lipoamide but not linear disulfides can selectively react with iodoacetamide to produce sulfenic acid, which can be conjugated with cyclooctyne probes. iLCL enables tagging of lipoylated proteins for gel-based detection and cellular imaging. Furthermore, we apply iLCL for proteomic profiling of lipoylated proteins in both bacteria and mammalian cells. In addition to all of the eight known lipoylated proteins, we identified seven candidates for novel lipoylated proteins. The iLCL strategy should facilitate uncovering the biological function of protein lipoylation.
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Affiliation(s)
- Qi Tang
- College of Chemistry and Molecular Engineering, Peking-Tsinghua Center for Life Science, Beijing National Laboratory for Molecular Sciences, Synthetic and Functional Biomolecules Center, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Peking University, Beijing, 100871, China
| | - Yilan Guo
- College of Chemistry and Molecular Engineering, Peking-Tsinghua Center for Life Science, Beijing National Laboratory for Molecular Sciences, Synthetic and Functional Biomolecules Center, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Peking University, Beijing, 100871, China
| | - Liying Meng
- College of Chemistry and Molecular Engineering, Peking-Tsinghua Center for Life Science, Beijing National Laboratory for Molecular Sciences, Synthetic and Functional Biomolecules Center, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Peking University, Beijing, 100871, China
| | - Xing Chen
- College of Chemistry and Molecular Engineering, Peking-Tsinghua Center for Life Science, Beijing National Laboratory for Molecular Sciences, Synthetic and Functional Biomolecules Center, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Peking University, Beijing, 100871, China
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46
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47
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Abstract
Significance: Cancer cells are stabilized in an undifferentiated state similar to stem cells. This leads to profound modifications of their metabolism, which further modifies their genetics and epigenetics as malignancy progresses. Specific metabolites and enzymes may serve as clinical markers of cancer progression. Recent Advances: Both 2-hydroxyglutarate (2HG) enantiomers are associated with reprogrammed metabolism, in grade III/IV glioma, glioblastoma, and acute myeloid leukemia cells, and numerous other cancer types, while acting also in the cross talk of tumors with immune cells. 2HG contributes to specific alternations in cancer metabolism and developed oxidative stress, while also inducing decisions on the differentiation of naive T lymphocytes, and serves as a signal messenger in immune cells. Moreover, 2HG inhibits chromatin-modifying enzymes, namely 2-oxoglutarate-dependent dioxygenases, and interferes with hypoxia-inducible factor (HIF) transcriptome reprogramming and mammalian target of rapamycin (mTOR) pathway, thus dysregulating gene expression and further promoting cancerogenesis. Critical Issues: Typically, heterozygous mutations within the active sites of isocitrate dehydrogenase isoform 1 (IDH1)R132H and mitochondrial isocitrate dehydrogenase isoform 2 (IDH2)R140Q provide cells with millimolar r-2-hydroxyglutarate (r-2HG) concentrations, whereas side activities of lactate and malate dehydrogenase form submillimolar s-2-hydroxyglutarate (s-2HG). However, even wild-type IDH1 and IDH2, notably under shifts toward reductive carboxylation glutaminolysis or changes in other enzymes, lead to "intermediate" 0.01-0.1 mM 2HG levels, for example, in breast carcinoma compared with 10-8M in noncancer cells. Future Directions: Uncovering further molecular metabolism details specific for given cancer cell types and sequence-specific epigenetic alternations will lead to the design of diagnostic approaches, not only for predicting patients' prognosis or uncovering metastases and tumor remissions but also for early diagnostics.
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Affiliation(s)
- Petr Ježek
- Department of Mitochondrial Physiology, Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
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48
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Bowman CE, Arany Z, Wolfgang MJ. Regulation of maternal-fetal metabolic communication. Cell Mol Life Sci 2020; 78:1455-1486. [PMID: 33084944 DOI: 10.1007/s00018-020-03674-w] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 09/23/2020] [Accepted: 10/05/2020] [Indexed: 02/08/2023]
Abstract
Pregnancy may be the most nutritionally sensitive stage in the life cycle, and improved metabolic health during gestation and early postnatal life can reduce the risk of chronic disease in adulthood. Successful pregnancy requires coordinated metabolic, hormonal, and immunological communication. In this review, maternal-fetal metabolic communication is defined as the bidirectional communication of nutritional status and metabolic demand by various modes including circulating metabolites, endocrine molecules, and other secreted factors. Emphasis is placed on metabolites as a means of maternal-fetal communication by synthesizing findings from studies in humans, non-human primates, domestic animals, rabbits, and rodents. In this review, fetal, placental, and maternal metabolic adaptations are discussed in turn. (1) Fetal macronutrient needs are summarized in terms of the physiological adaptations in place to ensure their proper allocation. (2) Placental metabolite transport and maternal physiological adaptations during gestation, including changes in energy budget, are also discussed. (3) Maternal nutrient limitation and metabolic disorders of pregnancy serve as case studies of the dynamic nature of maternal-fetal metabolic communication. The review concludes with a summary of recent research efforts to identify metabolites, endocrine molecules, and other secreted factors that mediate this communication, with particular emphasis on serum/plasma metabolomics in humans, non-human primates, and rodents. A better understanding of maternal-fetal metabolic communication in health and disease may reveal novel biomarkers and therapeutic targets for metabolic disorders of pregnancy.
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Affiliation(s)
- Caitlyn E Bowman
- Department of Medicine, Cardiovascular Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Zoltan Arany
- Department of Medicine, Cardiovascular Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Michael J Wolfgang
- Department of Biological Chemistry, Department of Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
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49
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Nowinski SM, Solmonson A, Rusin SF, Maschek JA, Bensard CL, Fogarty S, Jeong MY, Lettlova S, Berg JA, Morgan JT, Ouyang Y, Naylor BC, Paulo JA, Funai K, Cox JE, Gygi SP, Winge DR, DeBerardinis RJ, Rutter J. Mitochondrial fatty acid synthesis coordinates oxidative metabolism in mammalian mitochondria. eLife 2020; 9:58041. [PMID: 32804083 PMCID: PMC7470841 DOI: 10.7554/elife.58041] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Accepted: 08/15/2020] [Indexed: 12/13/2022] Open
Abstract
Cells harbor two systems for fatty acid synthesis, one in the cytoplasm (catalyzed by fatty acid synthase, FASN) and one in the mitochondria (mtFAS). In contrast to FASN, mtFAS is poorly characterized, especially in higher eukaryotes, with the major product(s), metabolic roles, and cellular function(s) being essentially unknown. Here we show that hypomorphic mtFAS mutant mouse skeletal myoblast cell lines display a severe loss of electron transport chain (ETC) complexes and exhibit compensatory metabolic activities including reductive carboxylation. This effect on ETC complexes appears to be independent of protein lipoylation, the best characterized function of mtFAS, as mutants lacking lipoylation have an intact ETC. Finally, mtFAS impairment blocks the differentiation of skeletal myoblasts in vitro. Together, these data suggest that ETC activity in mammals is profoundly controlled by mtFAS function, thereby connecting anabolic fatty acid synthesis with the oxidation of carbon fuels.
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Affiliation(s)
| | - Ashley Solmonson
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, United States
| | - Scott F Rusin
- Department of Cell Biology, Harvard University School of Medicine, Boston, United States
| | - J Alan Maschek
- Diabetes & Metabolism Research Center, Salt Lake City, United States.,Department of Nutrition and Integrative Physiology, Salt Lake City, United States.,Metabolomics, Proteomics and Mass Spectrometry Core Research Facilities University of Utah, Salt Lake City, United States
| | | | - Sarah Fogarty
- Department of Biochemistry, Salt Lake City, United States.,Howard Hughes Medical Institute, Salt Lake City, United States
| | - Mi-Young Jeong
- Department of Biochemistry, Salt Lake City, United States
| | | | - Jordan A Berg
- Department of Biochemistry, Salt Lake City, United States
| | - Jeffrey T Morgan
- Department of Biochemistry, Salt Lake City, United States.,Howard Hughes Medical Institute, Salt Lake City, United States
| | - Yeyun Ouyang
- Department of Biochemistry, Salt Lake City, United States
| | - Bradley C Naylor
- Metabolomics, Proteomics and Mass Spectrometry Core Research Facilities University of Utah, Salt Lake City, United States
| | - Joao A Paulo
- Department of Cell Biology, Harvard University School of Medicine, Boston, United States
| | - Katsuhiko Funai
- Diabetes & Metabolism Research Center, Salt Lake City, United States
| | - James E Cox
- Department of Biochemistry, Salt Lake City, United States.,Diabetes & Metabolism Research Center, Salt Lake City, United States.,Metabolomics, Proteomics and Mass Spectrometry Core Research Facilities University of Utah, Salt Lake City, United States
| | - Steven P Gygi
- Department of Cell Biology, Harvard University School of Medicine, Boston, United States
| | - Dennis R Winge
- Department of Biochemistry, Salt Lake City, United States.,Diabetes & Metabolism Research Center, Salt Lake City, United States.,Department of Internal Medicine, Salt Lake City, United States
| | - Ralph J DeBerardinis
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, United States.,Howard Hughes Medical Institute, Salt Lake City, United States
| | - Jared Rutter
- Department of Biochemistry, Salt Lake City, United States.,Diabetes & Metabolism Research Center, Salt Lake City, United States.,Howard Hughes Medical Institute, Salt Lake City, United States
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50
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Bailey PSJ, Ortmann BM, Martinelli AW, Houghton JW, Costa ASH, Burr SP, Antrobus R, Frezza C, Nathan JA. ABHD11 maintains 2-oxoglutarate metabolism by preserving functional lipoylation of the 2-oxoglutarate dehydrogenase complex. Nat Commun 2020; 11:4046. [PMID: 32792488 PMCID: PMC7426941 DOI: 10.1038/s41467-020-17862-6] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Accepted: 07/21/2020] [Indexed: 12/17/2022] Open
Abstract
2-oxoglutarate (2-OG or α-ketoglutarate) relates mitochondrial metabolism to cell function by modulating the activity of 2-OG dependent dioxygenases involved in the hypoxia response and DNA/histone modifications. However, metabolic pathways that regulate these oxygen and 2-OG sensitive enzymes remain poorly understood. Here, using CRISPR Cas9 genome-wide mutagenesis to screen for genetic determinants of 2-OG levels, we uncover a redox sensitive mitochondrial lipoylation pathway, dependent on the mitochondrial hydrolase ABHD11, that signals changes in mitochondrial 2-OG metabolism to 2-OG dependent dioxygenase function. ABHD11 loss or inhibition drives a rapid increase in 2-OG levels by impairing lipoylation of the 2-OG dehydrogenase complex (OGDHc)-the rate limiting step for mitochondrial 2-OG metabolism. Rather than facilitating lipoate conjugation, ABHD11 associates with the OGDHc and maintains catalytic activity of lipoyl domain by preventing the formation of lipoyl adducts, highlighting ABHD11 as a regulator of functional lipoylation and 2-OG metabolism.
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Affiliation(s)
- Peter S J Bailey
- Cambridge Institute for Medical Research, Department of Medicine, University of Cambridge, Cambridge, CB2 0XY, UK
- Cambridge Institute of Therapeutic Immunology & Infectious Disease (CITIID), Jeffrey Cheah Biomedical Centre, Cambridge Biomedical Campus, University of Cambridge, Cambridge, CB2 0AW, UK
| | - Brian M Ortmann
- Cambridge Institute for Medical Research, Department of Medicine, University of Cambridge, Cambridge, CB2 0XY, UK
- Cambridge Institute of Therapeutic Immunology & Infectious Disease (CITIID), Jeffrey Cheah Biomedical Centre, Cambridge Biomedical Campus, University of Cambridge, Cambridge, CB2 0AW, UK
| | - Anthony W Martinelli
- Cambridge Institute of Therapeutic Immunology & Infectious Disease (CITIID), Jeffrey Cheah Biomedical Centre, Cambridge Biomedical Campus, University of Cambridge, Cambridge, CB2 0AW, UK
| | - Jack W Houghton
- Cambridge Institute for Medical Research, Department of Medicine, University of Cambridge, Cambridge, CB2 0XY, UK
| | - Ana S H Costa
- MRC Cancer Unit, University of Cambridge, Cambridge, CB2 0XZ, UK
- Cold Spring Harbor Laboratory, Cold Spring Harbor, NY, 11724, USA
| | - Stephen P Burr
- Cambridge Institute for Medical Research, Department of Medicine, University of Cambridge, Cambridge, CB2 0XY, UK
- MRC Mitochondrial Biology Unit, University of Cambridge, Cambridge, CB2 0XY, UK
| | - Robin Antrobus
- Cambridge Institute for Medical Research, Department of Medicine, University of Cambridge, Cambridge, CB2 0XY, UK
| | - Christian Frezza
- MRC Cancer Unit, University of Cambridge, Cambridge, CB2 0XZ, UK
| | - James A Nathan
- Cambridge Institute for Medical Research, Department of Medicine, University of Cambridge, Cambridge, CB2 0XY, UK.
- Cambridge Institute of Therapeutic Immunology & Infectious Disease (CITIID), Jeffrey Cheah Biomedical Centre, Cambridge Biomedical Campus, University of Cambridge, Cambridge, CB2 0AW, UK.
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