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Lohrasbi F, Naghdi Babaei F, Ghasemi-Kasman M, Sadeghi-Chahnasir F, Shirzad M, Zabihi E. Effect of sub-acute exposure of metal-organic framework-199 on cognitive function and oxidative stress level of brain tissue in rat. Food Chem Toxicol 2024; 191:114866. [PMID: 39002791 DOI: 10.1016/j.fct.2024.114866] [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: 05/08/2024] [Revised: 06/26/2024] [Accepted: 07/09/2024] [Indexed: 07/15/2024]
Abstract
Metal-Organic Framework-199 (MOF-199) is a subgroup of MOFs that is utilized in different medical fields such as drug delivery. In the current study, the effect of sub-acute exposure to MOF-199 on spatial memory, working memory, inflammatory mediators' expression, and oxidative stress level of brain tissue has been investigated. Thirty-two male Wistar rats were randomly divided into four groups as vehicle, MOF-199 at doses 0.3, 3, or 6 mg/kg. After four injections of relevant interventions via tail vein during 14 days, behavioral parameters were investigated using Y-maze and Morris Water Maze (MWM) tests. Oxidative stress was measured by ferric reducing antioxidant power (FRAP) and thiobarbituric acid-reacting substance (TBARS) tests. The expression levels of TNF-α and IL-1β were assessed by quantitative real-time reverse-transcription PCR (qRT-PCR). No significant differences were observed in working memory, spatial learning and memory of MOF-199 receiving rats. Additionally, the level of oxidative stress and inflammatory genes expression were not remarkably changed in the brain tissues of MOF-199 treated rats. Despite the lack of remarkable toxic effects of sub-acute exposure to MOF-199, more studies with a longer duration of administration are necessary to use this substance for drug delivery systems in diseases related to the nervous system.
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Affiliation(s)
- Fatemeh Lohrasbi
- Student Research Committee, Babol University of Medical Sciences, Babol, Iran
| | | | - Maryam Ghasemi-Kasman
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran; Department of Physiology, School of Medicine, Babol University of Medical Sciences, Babol, Iran.
| | | | - Moein Shirzad
- Student Research Committee, Babol University of Medical Sciences, Babol, Iran
| | - Ebrahim Zabihi
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran; Department of Pharmacology and Toxicology, School of Medicine, Babol University of Medical Sciences, Babol, Iran
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Wang X, Jin L, Zhang X, Li M, Zhu A, Zhang M, Fan H. Transcriptomic profiling and risk assessment in bladder cancer: Insights from copper death-related genes. Cell Signal 2024; 121:111237. [PMID: 38810861 DOI: 10.1016/j.cellsig.2024.111237] [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: 03/23/2024] [Revised: 05/23/2024] [Accepted: 05/26/2024] [Indexed: 05/31/2024]
Abstract
BACKGROUND The study aimed to investigate the role of copper death-related genes (CRGs) in bladder cancer (BC) for improved prognosis assessment. METHODS Multi-omics techniques were utilized to analyze CRG expression in BC tissues from TCGA and GEO databases. Consensus clustering categorized patients into molecular subtypes based on clinical characteristics and immune cell infiltration. RESULTS An innovative risk assessment model identified eight critical genes associated with BC risk. In vitro and in vivo experiments validated LIPT1's significant impact on copper-induced cell death, proliferation, migration, and invasion in BC. CONCLUSION This multi-omics analysis elucidates the pivotal role of CRGs in BC progression, suggesting enhanced risk assessment through molecular subtype categorization and identification of key genes like LIPT1. Insights into these mechanisms offer the potential for improved diagnosis and treatment strategies for BC patients.
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Affiliation(s)
- Xu Wang
- Department of Urology, The Second Hospital of Jilin University, Changchun 130022, PR China
| | - Long Jin
- Department of Urology, The Second Hospital of Jilin University, Changchun 130022, PR China
| | - Xiaoyu Zhang
- Department of Urology, The Second Hospital of Jilin University, Changchun 130022, PR China
| | - Mingyu Li
- Department of Urology, The Second Hospital of Jilin University, Changchun 130022, PR China
| | - Ankang Zhu
- Department of Urology, The Second Hospital of Jilin University, Changchun 130022, PR China
| | - Ming Zhang
- Department of Urology, The Second Hospital of Jilin University, Changchun 130022, PR China
| | - Haitao Fan
- Department of Urology, The Second Hospital of Jilin University, Changchun 130022, PR China.
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Vo TTT, Peng TY, Nguyen TH, Bui TNH, Wang CS, Lee WJ, Chen YL, Wu YC, Lee IT. The crosstalk between copper-induced oxidative stress and cuproptosis: a novel potential anticancer paradigm. Cell Commun Signal 2024; 22:353. [PMID: 38970072 PMCID: PMC11225285 DOI: 10.1186/s12964-024-01726-3] [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: 04/11/2024] [Accepted: 06/25/2024] [Indexed: 07/07/2024] Open
Abstract
Copper is a crucial trace element that plays a role in various pathophysiological processes in the human body. Copper also acts as a transition metal involved in redox reactions, contributing to the generation of reactive oxygen species (ROS). Under prolonged and increased ROS levels, oxidative stress occurs, which has been implicated in different types of regulated cell death. The recent discovery of cuproptosis, a copper-dependent regulated cell death pathway that is distinct from other known regulated cell death forms, has raised interest to researchers in the field of cancer therapy. Herein, the present work aims to outline the current understanding of cuproptosis, with an emphasis on its anticancer activities through the interplay with copper-induced oxidative stress, thereby providing new ideas for therapeutic approaches targeting modes of cell death in the future.
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Affiliation(s)
- Thi Thuy Tien Vo
- Faculty of Dentistry, Nguyen Tat Thanh University, Ho Chi Minh City, 700000, Vietnam
| | - Tzu-Yu Peng
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei, 110301, Taiwan
| | - Thi Hong Nguyen
- Faculty of Dentistry, Nguyen Tat Thanh University, Ho Chi Minh City, 700000, Vietnam
| | - Trang Ngoc Huyen Bui
- Faculty of Dentistry, Nguyen Tat Thanh University, Ho Chi Minh City, 700000, Vietnam
| | - Ching-Shuen Wang
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei, 110301, Taiwan
| | - Wei-Ju Lee
- School of Food Safety, College of Nutrition, Taipei Medical University, Taipei, 110301, Taiwan
| | - Yuh-Lien Chen
- Department of Anatomy and Cell Biology, College of Medicine, National Taiwan University, Taipei, 100233, Taiwan
| | - Yang-Che Wu
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei, 110301, Taiwan
| | - I-Ta Lee
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei, 110301, Taiwan.
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Zhang Y, Wang M, Tang L, Yang W, Zhang J. FoxO1 silencing in Atp7b -/- neural stem cells attenuates high copper-induced apoptosis via regulation of autophagy. J Neurochem 2024. [PMID: 38837406 DOI: 10.1111/jnc.16136] [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: 04/01/2023] [Revised: 04/17/2024] [Accepted: 05/07/2024] [Indexed: 06/07/2024]
Abstract
Wilson disease (WD) is a severely autosomal genetic disorder triggered by dysregulated copper metabolism. Autophagy and apoptosis share common modulators that process cellular death. Emerging evidences suggest that Forkhead Box O1 over-expression (FoxO1-OE) aggravates abnormal autophagy and apoptosis to induce neuronal injury. However, the underlying mechanisms remain undetermined. Herein, the aim of this study was to investigate how regulating FoxO1 affects cellular autophagy and apoptosis to attenuate neuronal injury in a well-established WD cell model, the high concentration copper sulfate (CuSO4, HC)-triggered Atp7b-/- (Knockout, KO) neural stem cell (NSC) lines. The FoxO1-OE plasmid, or siRNA-FoxO1 (siFoxO1) plasmid, or empty vector plasmid was stably transfected with recombinant lentiviral vectors into HC-induced Atp7b-/- NSCs. Toxic effects of excess deposited copper on wild-type (WT), Atp7b-/- WD mouse hippocampal NSCs were tested by Cell Counting Kit-8 (CCK-8). Subsequently, the FoxO1 expression was evaluated by immunofluorescence (IF) assay, western blot (WB) and quantitative real-time polymerase chain reaction (qRT-PCR) analysis. Meanwhile, the cell autophagy and apoptosis were evaluated by flow cytometry (FC), TUNEL staining, 2,7-dichlorofluorescein diacetate (DCFH-DA), JC-1, WB, and qRT-PCR. The current study demonstrated a strong rise in FoxO1 levels in HC-treated Atp7b-/- NSCs, accompanied with dysregulated autophagy and hyperactive apoptosis. Also, it was observed that cell viability was significantly decreased with the over-expressed FoxO1 in HC-treated Atp7b-/- WD model. As intended, silencing FoxO1 effectively inhibited abnormal autophagy in HC-treated Atp7b-/- NSCs, as depicted by a decline in LC3II/I, Beclin-1, ATG3, ATG7, ATG13, and ATG16, whereas simultaneously increasing P62. In addition, silencing FoxO1 suppressed apoptosis via diminishing oxidative stress (OS), and mitochondrial dysfunction in HC-induced Atp7b-/- NSCs. Collectively, these results clearly demonstrate the silencing FoxO1 has the neuroprotective role of suppressing aberrant cellular autophagy and apoptosis, which efficiently attenuates neuronal injury in WD.
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Affiliation(s)
- Yu Zhang
- Department of Neurology, First Affiliated Hospital of Anhui University of Traditional Chinese Medicine, Hefei, China
- Department of Graduate School, Anhui University of Chinese Medicine, Hefei, China
| | - Meixia Wang
- Department of Neurology, First Affiliated Hospital of Anhui University of Traditional Chinese Medicine, Hefei, China
- Center for Xin'an Medicine and Modernization of Traditional Chinese Medicine of IHM, Anhui University of Chinese Medicine, Hefei, China
| | - Lulu Tang
- Department of Neurology, First Affiliated Hospital of Anhui University of Traditional Chinese Medicine, Hefei, China
| | - Wenming Yang
- Department of Neurology, First Affiliated Hospital of Anhui University of Traditional Chinese Medicine, Hefei, China
- Center for Xin'an Medicine and Modernization of Traditional Chinese Medicine of IHM, Anhui University of Chinese Medicine, Hefei, China
| | - Jing Zhang
- Department of Neurology, First Affiliated Hospital of Anhui University of Traditional Chinese Medicine, Hefei, China
- Center for Xin'an Medicine and Modernization of Traditional Chinese Medicine of IHM, Anhui University of Chinese Medicine, Hefei, China
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Wang B, Liu Y, Xiong F, Wang C. Improved Immunotherapy Outcomes via Cuproptosis Upregulation of HLA-DRA Expression: Promoting the Aggregation of CD4 + and CD8 +T Lymphocytes in Clear Cell Renal Cell Carcinoma. Pharmaceuticals (Basel) 2024; 17:678. [PMID: 38931345 PMCID: PMC11206763 DOI: 10.3390/ph17060678] [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: 04/14/2024] [Revised: 05/16/2024] [Accepted: 05/18/2024] [Indexed: 06/28/2024] Open
Abstract
Immunotherapy has shown promising clinical results in clear cell renal cell carcinoma (ccRCC), but low clinical target response rates due to dysfunction of the major histocompatibility complex (MHC) and an inhibitory tumor immune microenvironment (TIME) have largely limited the associated clinical benefits. In the present study, we explored the feasibility of enhancing tumor-specific-MHC-II-HLA-DRA expression, counteracting the TIME's suppressive effects, thereby improving the sensitivity of immune checkpoint inhibitor (ICI) therapy from the standpoint of cuproptosis. Immunohistochemical staining and in vitro experiments validated the expression of HLA-DRA in ccRCC and its positive impact on ICI therapy. Subsequently, we observed that cuproptosis upregulated HLA-DRA expression in a dose-dependent manner, further confirming the link between cuproptosis and HLA-DRA. In vivo experiments showed that cuproptosis increased the sensitivity to ICI treatment, and implementing cuproptosis alongside anti-PD-1 treatment curtailed tumor growth. Mechanistically, cuproptosis upregulates HLA-DRA expression at the transcriptional level in a dose-dependent manner by inducing the production of reactive oxygen species; high levels of HLA-DRA promote the expression of chemokines CCL5, CXCL9, and CXCL10 in the TIME, inhibiting the development of a pro-tumor microenvironment by promoting the infiltration of CD4+T and CD8+T cells, thereby synergizing ICI therapy and exerting anti-tumor effects. Taken together, this work highlights the role of cuproptosis in mediating TIME remodeling and synergistic immunotherapy, providing new evidence that cuproptosis can evoke effective anti-tumor immune responses.
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Affiliation(s)
| | | | | | - Chunyang Wang
- Urology Surgery Department, The First Affiliated Hospital of Harbin Medical University, Youzheng Street #37, Nangang District, Harbin 150001, China
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Lu C, Huang C, Qu S, Lin H, Zhong HJ, Chong CM. Oxyimperatorin attenuates LPS-induced microglial activation in vitro and in vivo via suppressing NF-κB p65 signaling. Biomed Pharmacother 2024; 173:116379. [PMID: 38452656 DOI: 10.1016/j.biopha.2024.116379] [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: 12/15/2023] [Revised: 02/21/2024] [Accepted: 02/29/2024] [Indexed: 03/09/2024] Open
Abstract
BACKGROUND Microglia-mediated neuroinflammation is an important pathological feature in many neurological diseases; thus, suppressing microglial activation is considered a possible therapeutic strategy for reducing neuronal damage. Oxyimperatorin (OIMP) is a member of furanocoumarin, isolated from the medicinal herb Glehnia littoralis. However, it is unknown whether OIMP can suppress the neuroinflammation. PURPOSE To investigate the neuroprotective activity of oxyimperatorin (OIMP) in LPS-induced neuroinflammation in vitro and in vivo models. METHODS In vitro inflammation-related assays were performed with OIMP in LPS-induced BV-2 microglia. In addition, intraperitoneal injection of LPS-induced microglial activation in the mouse brain was used to validate the anti-neuroinflammatory activity of OIMP. RESULTS OIMP was found to suppress LPS-induced neuroinflammation in vitro and in vivo. OIMP significantly attenuated LPS-induced the production of free radicals, inducible nitric oxide synthase, cyclooxygenase-2, and pro-inflammatory cytokines in BV-2 microglia without causing cytotoxicity. In addition, OIMP could reduce the M1 pro-inflammatory transition in LPS-stimulated BV-2 microglia. The mechanistic study revealed that OIMP inhibited LPS-induced NF-κB p65 phosphorylation and nuclear translocation. However, OIMP did not affect LPS-induced IκB phosphorylation and degradation. In addition, OIMP also was able to reduce LPS-induced microglial activation in mice brain. CONCLUSION Our findings suggest that OIMP suppresses microglia activation and attenuates the production of pro-inflammatory mediators and cytokines via inhibition of NF-κB p65 signaling.
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Affiliation(s)
- Changcheng Lu
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, 999078, Macao Special Administrative Region of China, China
| | - Chen Huang
- Dr. Neher's Biophysics Laboratory for Innovative Drug Discovery, State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Taipa 999078, Macao Special Administrative Region of China, China
| | - Shuhui Qu
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, 999078, Macao Special Administrative Region of China, China
| | - Huiyuan Lin
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, 999078, Macao Special Administrative Region of China, China
| | - Hai-Jing Zhong
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou 510632, China.
| | - Cheong-Meng Chong
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, 999078, Macao Special Administrative Region of China, China.
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7
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Lan Z, Qu L, Liang Y, Chen L, Xu S, Ge J, Xue Z, Bao X, Xia S, Yang H, Huang J, Xu Y, Zhu X. AZD1390, an ataxia telangiectasia mutated inhibitor, attenuates microglia-mediated neuroinflammation and ischemic brain injury. CNS Neurosci Ther 2024; 30:e14696. [PMID: 38668740 PMCID: PMC11048048 DOI: 10.1111/cns.14696] [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: 09/04/2023] [Revised: 02/09/2024] [Accepted: 03/06/2024] [Indexed: 04/28/2024] Open
Abstract
AIMS Excessive neuroinflammation mediated mainly by microglia plays a crucial role in ischemic stroke. AZD1390, an ataxia telangiectasia mutated (ATM) specific inhibitor, has been shown to promote radio-sensitization and survival in central nervous system malignancies, while the role of AZD1390 in ischemic stroke remains unknown. METHODS Real-time PCR, western blot, immunofluorescence staining, flow cytometry and enzyme-linked immunosorbent assays were used to assess the activation of microglia and the release of inflammatory cytokines. Behavioral tests were performed to measure neurological deficits. 2,3,5-Triphenyltetrazolium chloride staining was conducted to assess the infarct volume. The activation of NF-κB signaling pathway was explored through immunofluorescence staining, western blot, co-immunoprecipitation and proximity ligation assay. RESULTS The level of pro-inflammation cytokines and activation of NF-κB signaling pathway was suppressed by AZD1390 in vitro and in vivo. The behavior deficits and infarct size were partially restored with AZD1390 treatment in experimental stroke. AZD1390 restrict ubiquitylation and sumoylation of the essential regulatory subunit of NF-κB (NEMO) in an ATM-dependent and ATM-independent way respectively, which reduced the activation of the NF-κB pathway. CONCLUSION AZD1390 suppressed NF-κB signaling pathway to alleviate ischemic brain injury in experimental stroke, and attenuated microglia activation and neuroinflammation, which indicated that AZD1390 might be an attractive agent for the treatment of ischemic stroke.
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Affiliation(s)
- Zhen Lan
- Department of NeurologyNanjing Drum Tower Hospital, Clinical College of Nanjing Medical UniversityNanjingJiangsuChina
| | - Long‐jie Qu
- Department of NeurologyNanjing Drum Tower Hospital, Clinical College of Nanjing Medical UniversityNanjingJiangsuChina
| | - Ying Liang
- Department of NeurologyNanjing Drum Tower Hospital Clinical College of Nanjing University of Chinese MedicineNanjingJiangsuChina
| | - Li‐qiu Chen
- Department of NeurologyNanjing Drum Tower Hospital Clinical College of Nanjing University of Chinese MedicineNanjingJiangsuChina
| | - Shuai Xu
- Department of NeurologyNanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical SchoolNanjingJiangsuChina
| | - Jian‐wei Ge
- Department of NeurologyNanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical SchoolNanjingJiangsuChina
| | - Zhi‐wei Xue
- Department of NeurologyNanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical SchoolNanjingJiangsuChina
| | - Xin‐yu Bao
- Department of NeurologyNanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical SchoolNanjingJiangsuChina
- State Key Laboratory of Pharmaceutical Biotechnology and Institute of Translational Medicine for Brain Critical DiseasesNanjing UniversityNanjingJiangsuChina
- Jiangsu Key Laboratory for Molecular MedicineMedical School of Nanjing UniversityNanjingJiangsuChina
- Nanjing Neuropsychiatry Clinic Medical CenterNanjingJiangsuChina
| | - Sheng‐nan Xia
- Department of NeurologyNanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical SchoolNanjingJiangsuChina
- State Key Laboratory of Pharmaceutical Biotechnology and Institute of Translational Medicine for Brain Critical DiseasesNanjing UniversityNanjingJiangsuChina
- Jiangsu Key Laboratory for Molecular MedicineMedical School of Nanjing UniversityNanjingJiangsuChina
- Nanjing Neuropsychiatry Clinic Medical CenterNanjingJiangsuChina
| | - Hai‐yan Yang
- Department of NeurologyNanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical SchoolNanjingJiangsuChina
- State Key Laboratory of Pharmaceutical Biotechnology and Institute of Translational Medicine for Brain Critical DiseasesNanjing UniversityNanjingJiangsuChina
- Jiangsu Key Laboratory for Molecular MedicineMedical School of Nanjing UniversityNanjingJiangsuChina
- Nanjing Neuropsychiatry Clinic Medical CenterNanjingJiangsuChina
| | - Jing Huang
- Department of NeurologyNanjing Drum Tower Hospital Clinical College of Nanjing University of Chinese MedicineNanjingJiangsuChina
| | - Yun Xu
- Department of NeurologyNanjing Drum Tower Hospital, Clinical College of Nanjing Medical UniversityNanjingJiangsuChina
- Department of NeurologyNanjing Drum Tower Hospital Clinical College of Nanjing University of Chinese MedicineNanjingJiangsuChina
- Department of NeurologyNanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical SchoolNanjingJiangsuChina
- State Key Laboratory of Pharmaceutical Biotechnology and Institute of Translational Medicine for Brain Critical DiseasesNanjing UniversityNanjingJiangsuChina
- Jiangsu Key Laboratory for Molecular MedicineMedical School of Nanjing UniversityNanjingJiangsuChina
- Nanjing Neuropsychiatry Clinic Medical CenterNanjingJiangsuChina
| | - Xiao‐lei Zhu
- Department of NeurologyNanjing Drum Tower Hospital, Clinical College of Nanjing Medical UniversityNanjingJiangsuChina
- Department of NeurologyNanjing Drum Tower Hospital Clinical College of Nanjing University of Chinese MedicineNanjingJiangsuChina
- Department of NeurologyNanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical SchoolNanjingJiangsuChina
- State Key Laboratory of Pharmaceutical Biotechnology and Institute of Translational Medicine for Brain Critical DiseasesNanjing UniversityNanjingJiangsuChina
- Jiangsu Key Laboratory for Molecular MedicineMedical School of Nanjing UniversityNanjingJiangsuChina
- Nanjing Neuropsychiatry Clinic Medical CenterNanjingJiangsuChina
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Gao Y, Huang X, Zheng X, Yan F. FoxO signaling pathway stimulation by Bacillus smithii XY1 contributes to alleviating copper-induced neurotoxicity. JOURNAL OF HAZARDOUS MATERIALS 2024; 465:133345. [PMID: 38147755 DOI: 10.1016/j.jhazmat.2023.133345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 12/09/2023] [Accepted: 12/20/2023] [Indexed: 12/28/2023]
Abstract
Increasingly copper pollution in the environment exacerbates the risk of neurodegenerative diseases. It is necessary to look for effective targets and safe methods for protecting from copper-induced neurotoxicity. Here we firstly explored the impact of copper-exposure on expression profiles in zebrafish. Copper reduced embryo hatching, increased mortality and caused embryonic developmental abnormalities and behavioral dysfunction in juveniles. Transcriptomic analysis revealed that differential genes related to neuron were highly associated with oxidative stress especially enriched to FoxO pathway. Through further validation in Caenorhabditis elegans, copper resulted in nematode neurodegenerative movement disorders and neuronal damage, along with increased levels of reactive oxygen species (ROS) as well as decreased expressions of antioxidant-related enzymes and downstream genes which was also involved in FoxO signaling pathway. Bacillus smithii XY1, a novel strain with an excellent antioxidative activity, showed a great alleviative effect on copper-induced neurotoxicity that was related to FoxO stimulation, being a potential candidate for copper pollution management. Overall, these results suggested that FoxO pathway activation can regard as a strategy for mitigating neurotoxicity caused by copper and B. smithii XY1 with excellent tolerance and outstanding antioxidation specially targeted for FoxO has a promising application in controlling copper contamination.
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Affiliation(s)
- Yufang Gao
- Department of Food Science and Nutrition, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China
| | - Xuedi Huang
- Department of Food Science and Nutrition, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China
| | - Xiaodong Zheng
- Department of Food Science and Nutrition, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China
| | - Fujie Yan
- Department of Food Science and Nutrition, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China.
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Tsui KH, Hsiao JH, Lin LT, Tsang YL, Shao AN, Kuo CH, Chang R, Wen ZH, Li CJ. The Cross-Communication of Cuproptosis and Regulated Cell Death in Human Pathophysiology. Int J Biol Sci 2024; 20:218-230. [PMID: 38164173 PMCID: PMC10750287 DOI: 10.7150/ijbs.84733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Accepted: 10/25/2023] [Indexed: 01/03/2024] Open
Abstract
Copper (Cu) plays a crucial and diverse function in biological systems, acting as a cofactor at numerous sites of enzymatic activity and participating in various physiological processes, including oxidative stress regulation, lipid metabolism, and energy metabolism. Similar to other micronutrients, the body regulates Cu levels to ensure homeostasis; any disruption in Cu homeostasis may result in various illnesses. Cuproptosis causes proteotoxic stress and ultimately results in cell death by the binding of Cu ions to lipid-acylated proteins during the tricarboxylic acid cycle of mitochondrial respiration. Cu is not only involved in regulatory cell death (RCD), but also in exogenous factors that induce cellular responses and toxic outcomes. Cu imbalances also affect the transmission of several RCD messages. Therefore, this article presents a thorough examination of the mechanisms involved in Cu-induced RCD as well as the role of Cu complexes in its pathophysiology.
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Affiliation(s)
- Kuan-Hao Tsui
- Department of Obstetrics and Gynaecology, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
- Institute of BioPharmaceutical sciences, National Sun Yat-sen University, Kaohsiung, Taiwan
- Department of Obstetrics and Gynaecology, National Yang-Ming University School of Medicine, Taipei, Taiwan
- Department of Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan
| | - Jui-Hu Hsiao
- Department of Surgery, Kaohsiung Municipal Minsheng Hospital, Kaohsiung, Taiwan
| | - Li-Te Lin
- Department of Obstetrics and Gynaecology, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
- Institute of BioPharmaceutical sciences, National Sun Yat-sen University, Kaohsiung, Taiwan
- Department of Obstetrics and Gynaecology, National Yang-Ming University School of Medicine, Taipei, Taiwan
| | - Yi-Ling Tsang
- Institute of Physiological Chemistry and Pathobiochemistry and Cells in Motion Interfaculty Centre (CiMIC), University of Münster, 48149 Münster, Germany
| | - Ai-Ning Shao
- Institute of Clinical Medicine, National Cheng Kung University, Tainan 704, Taiwan
| | - Chen-Hsin Kuo
- Genomics Research Center, Academia Sinica, Taipei 115, Taiwan
| | - Renin Chang
- Department of Emergency Medicine, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Zhi-Hong Wen
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung, Taiwan
| | - Chia-Jung Li
- Department of Obstetrics and Gynaecology, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
- Institute of BioPharmaceutical sciences, National Sun Yat-sen University, Kaohsiung, Taiwan
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10
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Wang F, Su Q, Li C. Identification of cuproptosis-related asthma diagnostic genes by WGCNA analysis and machine learning. J Asthma 2023; 60:2052-2063. [PMID: 37289763 DOI: 10.1080/02770903.2023.2213334] [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: 03/26/2023] [Accepted: 05/08/2023] [Indexed: 06/10/2023]
Abstract
OBJECTIVE Cuproptosis is the latest novel form of cell death. However, the relationship between asthma and cuproptosis is not fully understood. METHODS In this study, we screened differentially expressed cuproptosis-related genes from the Gene Expression Omnibus (GEO) database and performed immune infiltration analysis. Subsequently, patients with asthma were typed and analyzed by Kyoto Encyclopedia of Genes and Genomes (KEGG). Weighted gene co-expression network analysis (WGCNA) was performed to calculate the module-trait correlations, and the hub genes of the intersection were taken to construct machine learning (XGB, SVM, RF, GLM). Finally, we used TGF-β to establish a BEAS-2B asthma model to observe the expression levels of hub genes. RESULTS Six cuproptosis-related genes were obtained. Immune-infiltration analysis shows that cuproptosis-related genes are associated with a variety of biological functions. We classified asthma patients into two subtypes based on the expression of cuproptosis-related genes and found significant Gene Ontology (GO) and immune function differences between the different subtypes. WGCNA selected 2 significant modules associated with disease features and typing. Finally, we identified TRIM25, DYSF, NCF4, ABTB1, CXCR1 as asthma biomarkers by taking the intersection of the hub genes of the 2 modules and constructing a 5-genes signature, which nomograph, decision curve analysis (DCA) and calibration curves, receiver operating characteristic curve (ROC) showed high efficiency in diagnosing the probability of survival of asthma patients. Finally, in vitro experiments have shown that DYSF and CXCR1 expression is up expressed in asthma. CONCLUSIONS Our study provides further directions for studying the molecular mechanism of asthma.
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Affiliation(s)
- Fangwei Wang
- Department of Respiratory Medicine, the First Affiliated Hospital of Guangxi Medical University, Nan'ning, China
| | - Qisheng Su
- Department of Clinical Laboratory, the First Affiliated Hospital of Guangxi Medical University, Nan'ning, China
| | - Chaoqian Li
- Department of Respiratory Medicine, the First Affiliated Hospital of Guangxi Medical University, Nan'ning, China
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Zhu Y, Chang S, Liu J, Wang B. Identification of a novel cuproptosis-related gene signature for multiple myeloma diagnosis. Immun Inflamm Dis 2023; 11:e1058. [PMID: 38018590 PMCID: PMC10629272 DOI: 10.1002/iid3.1058] [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: 04/07/2023] [Revised: 08/19/2023] [Accepted: 10/11/2023] [Indexed: 11/30/2023] Open
Abstract
BACKGROUND Multiple myeloma (MM) ranks second among the most prevalent hematological malignancies. Recent studies have unearthed the promise of cuproptosis as a novel therapeutic intervention for cancer. However, no research has unveiled the particular roles of cuproptosis-related genes (CRGs) in the prediction of MM diagnosis. METHODS Microarray data and clinical characteristics of MM patients were obtained from the Gene Expression Omnibus (GEO) database. Differentially expressed gene analysis, least absolute shrinkage and selection operator (LASSO) and support vector machine-recursive feature elimination (SVM-RFE) algorithms were applied to identify potential signature genes for MM diagnosis. Predictive performance was further assessed by receiver operating characteristic (ROC) curves, nomogram analysis, and external data sets. Functional enrichment analysis was performed to elucidate the involved mechanisms. Finally, the expression of the identified genes was validated by quantitative real-time polymerase chain reaction (qRT-PCR) in MM cell samples. RESULTS The optimal gene signature was identified using LASSO and SVM-RFE algorithms based on the differentially expressed CRGs: ATP7A, FDX1, PDHA1, PDHB, MTF1, CDKN2A, and DLST. Our gene signature-based nomogram revealed a high degree of accuracy in predicting MM diagnosis. ROC curves showed the signature had dependable predictive ability across all data sets, with area under the curve values exceeding 0.80. Additionally, functional enrichment analysis suggested significant associations between the signature genes and immune-related pathways. The expression of the genes was validated in MM cells, indicating the robustness of these findings. CONCLUSION We discovered and validated a novel CRG signature with strong predictive capability for diagnosing MM, potentially implicated in MM pathogenesis and progression through immune-related pathways.
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Affiliation(s)
- Yidong Zhu
- Department of Traditional Chinese Medicine, Shanghai Tenth People's HospitalTongji University School of MedicineShanghaiChina
| | - Shuaikang Chang
- Department of Hematology, Shanghai East HospitalTongji University School of MedicineShanghaiChina
| | - Jun Liu
- Department of Traditional Chinese Medicine, Shanghai Tenth People's HospitalTongji University School of MedicineShanghaiChina
| | - Bo Wang
- Department of Endocrinology, Yangpu HospitalTongji University School of MedicineShanghaiChina
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12
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Zou M, Zhang W, Zhu Y, Xu Y. Identification of 6 cuproptosis-related genes for active ulcerative colitis with both diagnostic and therapeutic values. Medicine (Baltimore) 2023; 102:e35503. [PMID: 37904461 PMCID: PMC10615546 DOI: 10.1097/md.0000000000035503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 09/14/2023] [Indexed: 11/01/2023] Open
Abstract
Cuproptosis has been reported to affect a variety of diseases. Therefore, we aimed to examine the role of cuproptosis-related genes in active ulcerative colitis (UC). We acquired 2 datasets of active UC from the Gene Expression Omnibus database and created immune cell infiltrations to research immune cell dysregulation. Based on the cuproptosis gene set and differentially expressed genes (DEGs), we identified the differentially expressed genes of cuproptosis (CuDEGs). We then used 2 machine learning methods to screen hub CuDEGs. Subsequently, we performed validation on additional datasets and investigated the relationship between hub CuDEGs and drug treatments. Thirty-five controls with inactive UC and 90 patients with active UC were obtained from the training sets. A total of 9157 DEGs and 27 CuDEGs were identified, respectively. Immune cell infiltration analysis revealed that patients with active UC exhibited higher levels of activated dendritic cells and neutrophils as well as lower levels of CD8+ T cells, regulatory T cells (Tregs), and macrophage M2. A six-gene cuproptosis signature was identified using machine learning algorithms. We further validated that the 6 hub CuDEGs showed a strong correlation with active UC and acted as cuproptosis-related biomarkers of active UC. Moreover, the expression of ATOX1 was downregulated, and SUMF1, MT1G, ATP7B, FDX1, and LIAS expression was upregulated in the colonic mucosa of active UC patients who responded to golimumab or vedolizumab therapy. With the exception of ATP7B, the expression patterns of hub CuDEGs before and after infliximab treatment of patients with active UC were similar to those of golimumab and vedolizumab. Cuproptosis and active UC have a complex relationship, as illustrated in our study. ATOX1, SUMF1, MT1G, ATP7B, FDX1, and LIAS are cuproptosis-related hub genes of active UC. Our study opens new avenues for investigating UC progression and developing novel therapeutic potential targets for the disease.
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Affiliation(s)
- Menglong Zou
- The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China
- College of Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Wei Zhang
- The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China
- College of Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Ying Zhu
- The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Yin Xu
- The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China
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陈 丽, 黄 定, 郑 刚, 孟 晓. [Lead exposure aggravates Aβ 1-42-induced microglial activation and copper ion accumulation in microglial cells]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2023; 43:1752-1760. [PMID: 37933651 PMCID: PMC10630214 DOI: 10.12122/j.issn.1673-4254.2023.10.13] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Indexed: 11/08/2023]
Abstract
OBJECTIVE To investigate the effect of lead (Pb) exposure on Aβ1-42-induced microglial activation and copper ion accumulation in microglial cells and explore the regulatory mechanism of Pb-induced aggravation of Alzheimer's disease (AD)-like pathology. METHODS Cultured microglial BV2 cells were treated with different concentrations of Aβ1-42, lead acetate or their combination for 12 h, and the changes in cell viability and morphology were evaluated. Immunofluorescence assay was performed to detect iNOS and oxidative stress level in the treated cells, and the release of inflammatory factors was detected using ELISA. Western blotting and inductively coupled plasma-mass spectrometry (ICP-MS) were used to detect the expressions of CTR1 and ATP7A proteins and copper content in the cells. RESULTS Treatment with 15 and 20 μmol/L Aβ1-42 for 12 h significantly lowered the viability of BV2 cells. Treatment with Aβ1-42 at 10 μmol/L for 12 h obviously increased the release of iNOS, TNF-α and IL-6 in the cells (P<0.05), and its combination with 15 or 20 μmol/L lead acetate more strongly lowered BV2 cell viability (P<0.05). Compared with 10 μmol/L Aβ1-42 treatment alone, 10 μmol/L Aβ1-42 combined with 10 μmol/L lead acetate for 12 h caused more obvious microglial activation, as manifested by enlarged cell bodies, increased cell protrusions and elongation, enhanced release of iNOS, TNF-α, IL-6, IL-1β and ROS, and increased intracellular copper ion accumulation and expression of copper transporter CTR1 (P<0.05). Compared with the conditioned medium from activated BV2 cells, which caused obvious injuries in hippocampal neuron HT22 cells (P<0.001), the medium from BV2 cells treated with NAC and the copper ion chelating agent TM caused milder injuries in HT22 cells (P<0.05). CONCLUSION Lead exposure aggravates neuronal damage caused by Aβ1-42-treated microglial cells by increasing copper ion accumulation, oxidative stress, and inflammatory factor release to trigger microglial activation.
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Affiliation(s)
- 丽旋 陈
- 南方医科大学公共卫生学院职业卫生与职业医学系,广东 广州 510515Department of Occupational Health and Occupational Medicine, School of Public Health, Southern Medical University, Guangzhou 510515, China
| | - 定帮 黄
- 南方医科大学公共卫生学院职业卫生与职业医学系,广东 广州 510515Department of Occupational Health and Occupational Medicine, School of Public Health, Southern Medical University, Guangzhou 510515, China
| | - 刚 郑
- 空军军医大学军事预防医学系,特殊作业环境危害评估与防治教育部重点实验室,陕西 西安 710032Department of Military Preventive Medicine, Air Force Military Medical University, Ministry of Education Key Laboratory of Hazard Assessment and Control in Special Operational Environment, Xi'an 710032, China
| | - 晓静 孟
- 南方医科大学公共卫生学院职业卫生与职业医学系,广东 广州 510515Department of Occupational Health and Occupational Medicine, School of Public Health, Southern Medical University, Guangzhou 510515, China
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Xu S, Dong K, Gao R, Yang Y, Zhou Y, Luo C, Chen W, Liu SM. Cuproptosis-related signature for clinical prognosis and immunotherapy sensitivity in hepatocellular carcinoma. J Cancer Res Clin Oncol 2023; 149:12249-12263. [PMID: 37434092 DOI: 10.1007/s00432-023-05099-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 06/30/2023] [Indexed: 07/13/2023]
Abstract
BACKGROUND Copper homeostasis imbalance has been implicated in tumor progression, aggressiveness, and treatment response. However, the precise roles of cuproptosis-related genes (CRGs) in hepatocellular carcinoma (HCC) remain poorly understood. METHODS In this study, we employed a consensus clustering algorithm to identify distinct molecular subtypes. We then performed Kaplan-Meier analysis and univariate Cox regression analysis to identify prognostic differentially expressed genes. The expression of these genes was subsequently validated using qPCR on fresh-frozen tissues obtained from HCC patients. Moreover, leveraging the TCGA-HCC cohort, we constructed a CRGs-related risk prediction model using the LASSO and multivariate Cox regression analysis. RESULTS By analyzing the data, we successfully established a CRGs risk prognostic model for HCC patients, comprising five differential genes (CAD, SGCB, TXNRD1, KDR, and MTND4P20). Cox regression analysis revealed that the CRGs risk score could serve as an independent prognostic factor for overall survival (hazard ratio [HR] = 1.308, 95% confidence interval [CI] = 1.200 - 1.426, P < 0.001). The area under the curve (AUC) values of the CRGs-score for predicting 1-year, 3-year, and 5-year survival rates were 0.785, 0.724, and 0.723, respectively. Notably, the expression levels of immune checkpoints (including PD-1, PD-L1, and CTLA4) significantly differed between the low- and high-risk score groups. Furthermore, the low-risk score group displayed increased sensitivity to sorafenib, cisplatin, cyclopamine, nilotinib, salubrinal, and gemcitabine, whereas the high-risk score group exhibited heightened sensitivity to lapatinib, erlotinib, and gefitinib. CONCLUSIONS Our findings highlight the potential of the CRGs risk score as an independent and promising biomarker for clinical prognosis and immunotherapy sensitivity in HCC patients.
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Affiliation(s)
- Shaohua Xu
- Department of Clinical Laboratory, Center for Gene Diagnosis and Program of Clinical Laboratory, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Kexin Dong
- Department of Clinical Laboratory, Center for Gene Diagnosis and Program of Clinical Laboratory, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Ruihuan Gao
- Department of Clinical Laboratory, Center for Gene Diagnosis and Program of Clinical Laboratory, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Ying Yang
- Department of Clinical Laboratory, Center for Gene Diagnosis and Program of Clinical Laboratory, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Yidan Zhou
- Department of Clinical Laboratory, Center for Gene Diagnosis and Program of Clinical Laboratory, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Chunhua Luo
- The First College of Clinical Medical Science, Three Gorges University, Hubei, 443000, China
| | - Wei Chen
- Department of Clinical Laboratory, Center for Gene Diagnosis and Program of Clinical Laboratory, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China.
| | - Song-Mei Liu
- Department of Clinical Laboratory, Center for Gene Diagnosis and Program of Clinical Laboratory, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China.
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Song J, Sun X, Wang T, Yan L, Su P, Yuan L. Construction and validation of a cuproptosis-related lncRNA prognosis signature in bladder carcinoma. J Cancer Res Clin Oncol 2023; 149:11207-11221. [PMID: 37354222 DOI: 10.1007/s00432-023-05013-5] [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: 05/09/2023] [Accepted: 06/19/2023] [Indexed: 06/26/2023]
Abstract
BACKGROUND Bladder cancer (BLCA) is a prevalent urological tumor with high morbidity and mortality. However, BLCA treatment remains challenging due to a lack of effective biomarkers. Long non-coding RNAs (lncRNAs), as active participants in tumor progression are involved in multiple biological regulatory mechanisms, and cuproptosis-related genes participate in the development of cancer. It is important to discover cuproptosis- related lncRNAs for BLCA diagnosis and treatment. METHODS A predictive signature was constructed based on least absolute shrinkage and selection operator regression (LASSO) and Cox regression analyses of the 9 cuproptosis-related lncRNAs. Samples were divided into high-risk group and low-risk group based on their median risk scores to explore their prognosis. RESULTS This signature is well predictive, as evidenced by the receiver operating characteristic curves (ROC curves) and K-M curves. Based on the nomogram, we were able to visually forecast the survival rates of patients with BLCA at 1-, 3-, and 5-year, and the calibration plots displayed that the actual results were well matched with the predicted 1-, 3-, and 5-year survival rates. Furthermore, BLCA patients in the high-risk group had a higher Tumor Immune Dysfunction and Exclusion (TIDE) score and lower TMB. Finally, we investigated the response of antitumor drugs for BLCA patients in different risk groups, and a statistically significant difference was observed in the sensitivity of those drugs between low- and the high-risk groups. CONCLUSION According to the 9 cuproptosis-related lncRNAs, we constructed a signature which can be served as a promising prognostic biomarker for BLCA patients.
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Affiliation(s)
- Jinbo Song
- Department of Urology Surgery, Honghui Hospital, Xi'an Jiaotong University, Beilin District, Xi'an, 710054, Shaanxi, China.
| | - Xiaoke Sun
- Department of Urology Surgery, Honghui Hospital, Xi'an Jiaotong University, Beilin District, Xi'an, 710054, Shaanxi, China
| | - Ting Wang
- Department of Urology Surgery, Honghui Hospital, Xi'an Jiaotong University, Beilin District, Xi'an, 710054, Shaanxi, China
| | - Li Yan
- Department of Urology Surgery, Honghui Hospital, Xi'an Jiaotong University, Beilin District, Xi'an, 710054, Shaanxi, China
| | - Pengxiao Su
- Department of Urology Surgery, Honghui Hospital, Xi'an Jiaotong University, Beilin District, Xi'an, 710054, Shaanxi, China
| | - Leihong Yuan
- Department of Urology Surgery, Honghui Hospital, Xi'an Jiaotong University, Beilin District, Xi'an, 710054, Shaanxi, China
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Gao L, Zhang A. Copper-instigated modulatory cell mortality mechanisms and progress in oncological treatment investigations. Front Immunol 2023; 14:1236063. [PMID: 37600774 PMCID: PMC10433393 DOI: 10.3389/fimmu.2023.1236063] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Accepted: 07/17/2023] [Indexed: 08/22/2023] Open
Abstract
Copper, a transition metal, serves as an essential co-factor in numerous enzymatic active sites and constitutes a vital trace element in the human body, participating in crucial life-sustaining activities such as energy metabolism, antioxidation, coagulation, neurotransmitter synthesis, iron metabolism, and tetramer deposition. Maintaining the equilibrium of copper ions within biological systems is of paramount importance in the prevention of atherosclerosis and associated cardiovascular diseases. Copper induces cellular demise through diverse mechanisms, encompassing reactive oxygen species responses, apoptosis, necrosis, pyroptosis, and mitochondrial dysfunction. Recent research has identified and dubbed a novel regulatory cell death modality-"cuprotosis"-wherein copper ions bind to acylated proteins in the tricarboxylic acid cycle of mitochondrial respiration, resulting in protein aggregation, subsequent downregulation of iron-sulfur cluster protein expression, induction of proteotoxic stress, and eventual cell death. Scholars have synthesized copper complexes by combining copper ions with various ligands, exploring their significance and applications in cancer therapy. This review comprehensively examines the multiple pathways of copper metabolism, copper-induced regulatory cell death, and the current status of copper complexes in cancer treatment.
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Affiliation(s)
- Lei Gao
- Medical Imaging Department, Huabei Petroleum Administration Bureau General Hospital, Renqiu, China
| | - Anqi Zhang
- Oncology Department, Huabei Petroleum Administration Bureau General Hospital, Renqiu, China
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17
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Tang X, Yan Z, Miao Y, Ha W, Li Z, Yang L, Mi D. Copper in cancer: from limiting nutrient to therapeutic target. Front Oncol 2023; 13:1209156. [PMID: 37427098 PMCID: PMC10327296 DOI: 10.3389/fonc.2023.1209156] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 06/13/2023] [Indexed: 07/11/2023] Open
Abstract
As an essential nutrient, copper's redox properties are both beneficial and toxic to cells. Therefore, leveraging the characteristics of copper-dependent diseases or using copper toxicity to treat copper-sensitive diseases may offer new strategies for specific disease treatments. In particular, copper concentration is typically higher in cancer cells, making copper a critical limiting nutrient for cancer cell growth and proliferation. Hence, intervening in copper metabolism specific to cancer cells may become a potential tumor treatment strategy, directly impacting tumor growth and metastasis. In this review, we discuss the metabolism of copper in the body and summarize research progress on the role of copper in promoting tumor cell growth or inducing programmed cell death in tumor cells. Additionally, we elucidate the role of copper-related drugs in cancer treatment, intending to provide new perspectives for cancer treatment.
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Affiliation(s)
- Xiaolong Tang
- The First Clinical Medical College, Lanzhou University, Lanzhou, Gansu, China
- The Second Department of Gastrointestinal Surgery, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan, China
| | - Zaihua Yan
- The First Clinical Medical College, Lanzhou University, Lanzhou, Gansu, China
- The Second Department of Gastrointestinal Surgery, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan, China
| | - Yandong Miao
- Department of Oncology, Yantai Affiliated Hospital of Binzhou Medical University, The Second Clinical Medical College of Binzhou Medical University, Yantai, Shandong, China
| | - Wuhua Ha
- The First Clinical Medical College, Lanzhou University, Lanzhou, Gansu, China
| | - Zheng Li
- Division of Thoracic Tumor Multimodality Treatment and Department of Radiation Oncology, Cancer Center, West China Hospital of Sichuan University, Chengdu, Sichuan, China
| | - Lixia Yang
- Gansu Academy of Traditional Chinese Medicine, Lanzhou, Gansu, China
| | - Denghai Mi
- The First Clinical Medical College, Lanzhou University, Lanzhou, Gansu, China
- Gansu Academy of Traditional Chinese Medicine, Lanzhou, Gansu, China
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18
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Zhang Y, Zhou J, Li H, Liu Y, Li J. Prediction of risk and clinical outcome of cuproptosis in lung squamous carcinoma. BMC Pulm Med 2023; 23:205. [PMID: 37308925 PMCID: PMC10258956 DOI: 10.1186/s12890-023-02490-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 05/23/2023] [Indexed: 06/14/2023] Open
Abstract
BACKGROUND Lung squamous cell carcinoma (LUSC) is an important subtype of non-small cell lung cancer. Its special clinicopathological features and molecular background determine the limitations of its treatment. A recent study published on Science defined a newly regulatory cell death (RCD) form - cuproptosis. Which manifested as an excessive intracellular copper accumulation, mitochondrial respiration-dependent, protein acylation-mediated cell death. Different from apoptosis, pyroptosis, necroptosis, ferroptosis and other forms of regulatory cell death (RCD). The imbalance of copper homeostasis in vivo will trigger cytotoxicity and further affect the occurrence and progression of tumors. Our study is the first to predict the prognosis and immune landscape of cuproptosis-related genes (CRGs) in LUSC. METHODS The RNA-seq profiles and clinical data of LUSC patients were downloaded from TCGA and GEO databases and then combined into a novel cohort. R language packages are used to analyze and process the data, and CRGs related to the prognosis of LUSC were screened according to the differentially expressed genes (DEGs). After analyzed the tumor mutation burden (TMB), copy number variation (CNV) and CRGs interaction network. Based on CRGs and DEGs, cluster analysis was used to classify LUSC patients twice. The selected key genes were used to construct a CRGs prognostic model to further analyze the correlation between LUSC immune cell infiltration and immunity. Through the risk score and clinical factors, a more accurate nomogram was further constructed. Finally, the drug sensitivity of CRGs in LUSC was analyzed. RESULTS Patients with LUSC were divided into different cuproptosis subtypes and gene clusters, showing different levels of immune infiltration. The risk score showed that the high-risk group had higher tumor microenvironment score, lower tumor mutation load frequency and worse prognosis than the low-risk group. In addition, the high-risk group was more sensitive to vinorelbine, cisplatin, paclitaxel, doxorubicin, etoposide and other drugs. CONCLUSIONS Through bioinformatics analysis, we successfully constructed a prognostic risk assessment model based on CRGs, which can not only accurately predict the prognosis of LUSC patients, but also evaluate the patient 's immune infiltration status and sensitivity to chemotherapy drugs. This model shows satisfactory predictive results and provides a reference for subsequent tumor immunotherapy.
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Affiliation(s)
| | - Jia Zhou
- Ningxia Hui Autonomous Region People's Hospital, Yinchuan, Ningxi, China
| | - Hong Li
- Department of Surgical Oncology, General Hospital of Ningxia Medical University, Yinchuan, Ningxia, China
| | - Yaobang Liu
- Department of Surgical Oncology, General Hospital of Ningxia Medical University, Yinchuan, Ningxia, China
| | - Jinping Li
- Department of Surgical Oncology, General Hospital of Ningxia Medical University, Yinchuan, Ningxia, China.
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Yang L, Jia X, Fu Y, Tian J, Liu Y, Lin J. Creation of a Prognostic Model Using Cuproptosis-Associated Long Noncoding RNAs in Hepatocellular Carcinoma. Int J Mol Sci 2023; 24:9987. [PMID: 37373132 DOI: 10.3390/ijms24129987] [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: 03/29/2023] [Revised: 06/03/2023] [Accepted: 06/06/2023] [Indexed: 06/29/2023] Open
Abstract
Cuproptosis is an unusual form of cell death caused by copper accumulation in mitochondria. Cuproptosis is associated with hepatocellular carcinoma (HCC). Long noncoding RNAs (LncRNAs) have been shown to be effective prognostic biomarkers, yet the link between lncRNAs and cuproptosis remains unclear. We aimed to build a prognostic model of lncRNA risk and explore potential biomarkers of cuproptosis in HCC. Pearson correlations were used to derive lncRNAs co-expressed in cuproptosis. The model was constructed using Cox, Lasso, and multivariate Cox regressions. Kaplan-Meier survival analysis, principal components analysis, receiver operating characteristic curve, and nomogram analyses were carried out for validation. Seven lncRNAs were identified as prognostic factors. A risk model was an independent prognostic predictor. Among these seven lncRNAs, prostate cancer associated transcript 6 (PCAT6) is highly expressed in different types of cancer, activating Wnt, PI3K/Akt/mTOR, and other pathways; therefore, we performed further functional validation of PCAT6 in HCC. Reverse transcription-polymerase chain reaction results showed that PCAT6 was aberrantly highly expressed in HCC cell lines (HepG2 and Hep3B) compared to LO2 (normal hepatocytes). When its expression was knocked down, cells proliferated and migrated less. PCAT6 might be a potential biomarker for predicting prognosis in HCC.
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Affiliation(s)
- Lihong Yang
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300000, China
| | - Xiao Jia
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300000, China
| | - Yueyue Fu
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300000, China
| | - Jiao Tian
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300000, China
| | - Yijin Liu
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300000, China
| | - Jianping Lin
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300000, China
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20
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Zhou Z, Zhou Y, Liu W, Dai J. A novel cuproptosis-related lncRNAs signature predicts prognostic and immune of bladder urothelial carcinoma. Front Genet 2023; 14:1148430. [PMID: 37065485 PMCID: PMC10102384 DOI: 10.3389/fgene.2023.1148430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 03/23/2023] [Indexed: 04/03/2023] Open
Abstract
Bladder Urothelial Carcinoma (BLCA) remains the most common urinary system tumor, and its prognosis is poor. Cuproptosis is a recently discovered novel cell death involved in the development of tumor cells. However, the use of cuproptosis to predict the prognosis and immunity of Bladder Urothelial Carcinoma remains largely unclear, and this study was designed to verify cuproptosis-related long non-coding RNAs (lncRNAs) to estimate the prognosis and immunity of Bladder Urothelial Carcinoma. In our study, we first defined the expression of cuproptosis-related genes (CRGs) in BLCA, and 10 CRGs were up- or downregulated. We then constructed a co-expression network of cuproptosis-related mRNA and long non-coding RNAs using RNA sequence data from The Cancer Genome Atlas Bladder Urothelial Carcinoma (TCGA-BLCA), clinical features and mutation data from BLCA patients to obtain long non-coding RNAs by Pearson analysis. Afterward, univariate and multivariate COX analysis identified 21 long non-coding RNAs as independent prognostic factors and used these long non-coding RNAs to construct a prognostic model. Then, survival analysis, principal component analysis (PCA), immunoassay, and comparison of tumor mutation frequencies were performed to verify the accuracy of the constructed model, and GO and KEGG functional enrichment analysis was used to verify further whether cuproptosis-related long non-coding RNAs were associated with biological pathways. The results showed that the model constructed with cuproptosis-related long non-coding RNAs could effectively evaluate the prognosis of BLCA, and these long non-coding RNAs were involved in numerous biological pathways. Finally, we performed immune infiltration, immune checkpoint and drug sensitivity analyses on four genes (TTN, ARID1A, KDM6A, RB1) that were highly mutated in the high-risk group to evaluate the immune association of risk genes with BLCA. In conclusion, the cuproptosis-related lncRNA markers constructed in this study have evaluation value for prognosis and immunity in BLCA, which can provide a certain reference for the treatment and immunity of BLCA.
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Affiliation(s)
- Zheng Zhou
- Department of Otolaryngology Head and Neck, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Yusong Zhou
- Department of Pharmacy, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Wei Liu
- Department of Pharmacy, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Jing Dai
- Department of Gastrointestinal Surgery, The Third Xiangya Hospital, Central South University, Changsha, China
- *Correspondence: Jing Dai,
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Chiarini A, Gui L, Viviani C, Armato U, Dal Prà I. NLRP3 Inflammasome’s Activation in Acute and Chronic Brain Diseases—An Update on Pathogenetic Mechanisms and Therapeutic Perspectives with Respect to Other Inflammasomes. Biomedicines 2023; 11:biomedicines11040999. [PMID: 37189617 DOI: 10.3390/biomedicines11040999] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 03/16/2023] [Accepted: 03/17/2023] [Indexed: 03/29/2023] Open
Abstract
Increasingly prevalent acute and chronic human brain diseases are scourges for the elderly. Besides the lack of therapies, these ailments share a neuroinflammation that is triggered/sustained by different innate immunity-related protein oligomers called inflammasomes. Relevant neuroinflammation players such as microglia/monocytes typically exhibit a strong NLRP3 inflammasome activation. Hence the idea that NLRP3 suppression might solve neurodegenerative ailments. Here we review the recent Literature about this topic. First, we update conditions and mechanisms, including RNAs, extracellular vesicles/exosomes, endogenous compounds, and ethnic/pharmacological agents/extracts regulating NLRP3 function. Second, we pinpoint NLRP3-activating mechanisms and known NLRP3 inhibition effects in acute (ischemia, stroke, hemorrhage), chronic (Alzheimer’s disease, Parkinson’s disease, Huntington’s disease, MS, ALS), and virus-induced (Zika, SARS-CoV-2, and others) human brain diseases. The available data show that (i) disease-specific divergent mechanisms activate the (mainly animal) brains NLRP3; (ii) no evidence proves that NLRP3 inhibition modifies human brain diseases (yet ad hoc trials are ongoing); and (iii) no findings exclude that concurrently activated other-than-NLRP3 inflammasomes might functionally replace the inhibited NLRP3. Finally, we highlight that among the causes of the persistent lack of therapies are the species difference problem in disease models and a preference for symptomatic over etiologic therapeutic approaches. Therefore, we posit that human neural cell-based disease models could drive etiological, pathogenetic, and therapeutic advances, including NLRP3’s and other inflammasomes’ regulation, while minimizing failure risks in candidate drug trials.
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Aishajiang R, Liu Z, Wang T, Zhou L, Yu D. Recent Advances in Cancer Therapeutic Copper-Based Nanomaterials for Antitumor Therapy. Molecules 2023; 28:molecules28052303. [PMID: 36903549 PMCID: PMC10005215 DOI: 10.3390/molecules28052303] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 01/09/2023] [Accepted: 02/22/2023] [Indexed: 03/06/2023] Open
Abstract
Copper serves as a vital microelement which is widely present in the biosystem, functioning as multi-enzyme active site, including oxidative stress, lipid oxidation and energy metabolism, where oxidation and reduction characteristics are both beneficial and lethal to cells. Since tumor tissue has a higher demand for copper and is more susceptible to copper homeostasis, copper may modulate cancer cell survival through reactive oxygen species (ROS) excessive accumulation, proteasome inhibition and anti-angiogenesis. Therefore, intracellular copper has attracted great interest that multifunctional copper-based nanomaterials can be exploited in cancer diagnostics and antitumor therapy. Therefore, this review explains the potential mechanisms of copper-associated cell death and investigates the effectiveness of multifunctional copper-based biomaterials in the field of antitumor therapy.
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Affiliation(s)
- Reyida Aishajiang
- Department of Radiotherapy, The Second Affiliated Hospital of Jilin University, Changchun 130062, China
| | - Zhongshan Liu
- Department of Radiotherapy, The Second Affiliated Hospital of Jilin University, Changchun 130062, China
| | - Tiejun Wang
- Department of Radiotherapy, The Second Affiliated Hospital of Jilin University, Changchun 130062, China
- Correspondence: (T.W.); (L.Z.); (D.Y.)
| | - Liang Zhou
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- Correspondence: (T.W.); (L.Z.); (D.Y.)
| | - Duo Yu
- Department of Radiotherapy, The Second Affiliated Hospital of Jilin University, Changchun 130062, China
- Correspondence: (T.W.); (L.Z.); (D.Y.)
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Zhu Y, He J, Li Z, Yang W. Cuproptosis-related lncRNA signature for prognostic prediction in patients with acute myeloid leukemia. BMC Bioinformatics 2023; 24:37. [PMID: 36737692 PMCID: PMC9896718 DOI: 10.1186/s12859-023-05148-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Accepted: 01/13/2023] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Long non-coding RNAs (lncRNAs) have been reported to have a crucial impact on the pathogenesis of acute myeloid leukemia (AML). Cuproptosis, a copper-triggered modality of mitochondrial cell death, might serve as a promising therapeutic target for cancer treatment and clinical outcome prediction. Nevertheless, the role of cuproptosis-related lncRNAs in AML is not fully understood. METHODS The RNA sequencing data and demographic characteristics of AML patients were downloaded from The Cancer Genome Atlas database. Pearson correlation analysis, the least absolute shrinkage and selection operator algorithm, and univariable and multivariable Cox regression analyses were applied to identify the cuproptosis-related lncRNA signature and determine its feasibility for AML prognosis prediction. The performance of the proposed signature was evaluated via Kaplan-Meier survival analysis, receiver operating characteristic curves, and principal component analysis. Functional analysis was implemented to uncover the potential prognostic mechanisms. Additionally, quantitative real-time PCR (qRT-PCR) was employed to validate the expression of the prognostic lncRNAs in AML samples. RESULTS A signature consisting of seven cuproptosis-related lncRNAs (namely NFE4, LINC00989, LINC02062, AC006460.2, AL353796.1, PSMB8-AS1, and AC000120.1) was proposed. Multivariable cox regression analysis revealed that the proposed signature was an independent prognostic factor for AML. Notably, the nomogram based on this signature showed excellent accuracy in predicting the 1-, 3-, and 5-year survival (area under curve = 0.846, 0.801, and 0.895, respectively). Functional analysis results suggested the existence of a significant association between the prognostic signature and immune-related pathways. The expression pattern of the lncRNAs was validated in AML samples. CONCLUSION Collectively, we constructed a prediction model based on seven cuproptosis-related lncRNAs for AML prognosis. The obtained risk score may reveal the immunotherapy response in patients with this disease.
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Affiliation(s)
- Yidong Zhu
- grid.412538.90000 0004 0527 0050Department of Traditional Chinese Medicine, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai, 200072 China
| | - Jun He
- grid.412538.90000 0004 0527 0050Department of Traditional Chinese Medicine, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai, 200072 China ,grid.412538.90000 0004 0527 0050Department of Hematology, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai, 200072 China
| | - Zihua Li
- grid.412538.90000 0004 0527 0050Department of Traditional Chinese Medicine, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai, 200072 China ,grid.412538.90000 0004 0527 0050Department of Orthopedics, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai, 200072 China
| | - Wenzhong Yang
- Department of Hematology, Shanghai Punan Hosptial of Pudong New District, Shanghai, 200125, China.
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Jiang Z, Dong T, Wang Y, Tang L, Zhao C, Wen Y, Chen J. Gandouling alleviates cognitive dysfunction by regulates the p62/Nrf2 signaling pathway to reduce oxidative stress and autophagy in mice models of Wilson’s disease. ARAB J CHEM 2023. [DOI: 10.1016/j.arabjc.2022.104477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
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Identification and immune features of cuproptosis-related molecular clusters in polycystic ovary syndrome. Sci Rep 2023; 13:980. [PMID: 36653385 PMCID: PMC9849323 DOI: 10.1038/s41598-022-27326-0] [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: 11/18/2022] [Accepted: 12/30/2022] [Indexed: 01/19/2023] Open
Abstract
Polycystic ovary syndrome (PCOS), a common reproductive endocrine disease, has clinically heterogeneous characteristics. Recently, cuproptosis causes several diseases by killing cells. Hence, we aimed to explore cuproptosis-related molecular clusters in PCOS and construct a prediction model. Based on the GSE5090, GSE43264, GSE98421, and GSE124226 datasets, an analysis of cuproptosis regulators and immune features in PCOS was conducted. In 25 cases of PCOS, the molecular clusters of cuproptosis-related genes and the immune cell infiltration associated with PCOS were investigated. Weighted gene co-expression network analysis was used to identify differentially expressed genes within clusters. Next, we compared the performance of the random forest model, support vector machine model, generalized linear model, and eXtreme Gradient Boosting for deciding the optimum machine model. Validation of the predictive effectiveness was accomplished through nomogram, calibration curve, decision curve analysis, and using other two datasets. PCOS and non-PCOS controls differed in the dysregulation of cuproptosis-related genes and the activation of immunoreaction. Two cuproptosis-related molecular clusters associated with PCOS were identified. Significant heterogeneity was noted in immunity between the two clusters based on the analysis of immune infiltration. The immune-related pathways related to cluster-specific differentially expressed genes in Cluster1 were revealed by functional analysis. With a relatively low residual error and root mean square error and a higher area under the curve (1.000), the support vector machine model demonstrated optimal discriminative performance. An ultimate 5-gene-based support vector machine model was noted to perform satisfactorily in the other two validation datasets (area under the curve = 1.000 for both). Moreover, the nomogram, calibration curve, and decision curve analysis showed that PCOS subtypes can be accurately predicted. Our study results helped demonstrate a comprehensive understanding of the complex relationship between cuproptosis and PCOS and establish a promising prediction model for assessing the risk of cuproptosis in patients with PCOS.
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Cai J, Xie H, Yan Y, Huang Z, Tang P, Cao X, Wang Z, Yang C, Wen J, Tan M, Zhang F, Shen B. A novel cuproptosis-related lncRNA signature predicts prognosis and therapeutic response in bladder cancer. Front Genet 2023; 13:1082691. [PMID: 36685947 PMCID: PMC9845412 DOI: 10.3389/fgene.2022.1082691] [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: 10/28/2022] [Accepted: 12/12/2022] [Indexed: 01/05/2023] Open
Abstract
Bladder cancer (BC) ranks the tenth in the incidence of global tumor epidemiology. LncRNAs and cuproptosis were discovered to regulate the cell death. Herein, we downloaded transcriptome profiling, mutational data, and clinical data on patients from The Cancer Genome Atlas (TCGA). High- and low-risk BC patients were categorized. Three CRLs (AL590428.1, AL138756.1 and GUSBP11) were taken into prognostic signature through least absolute shrinkage and selection operator (LASSO) Cox regression. Worse OS and PFS were shown in high-risk group (p < 0.05). ROC, independent prognostic analyses, nomogram and C-index were predicted via CRLs. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis indicated IncRNAs play a biological role in BC progression. Immune-related functions showed the high-risk group received more benefit from immunotherapy and had stronger immune responses, and the overall survival was better (p < 0.05). Finally, a more effective outcome (p < 0.05) was found from clinical immunotherapy via the TIDE algorithm and many potential anti-tumor drugs were identified. In our study, the cuproptosis-related signature provided a novel tool to predict the prognosis in BC patients accurately and provided a novel strategy for clinical immunotherapy and clinical applications.
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Affiliation(s)
- Jinming Cai
- Department of Urology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China,Department of Urology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Haoran Xie
- Department of Gastroenterology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yilin Yan
- Department of Urology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhengnan Huang
- Department of Urology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Pengfei Tang
- Department of Urology, Shanghai General Hospital Affiliated to Nanjing Medical University, Shanghai, China
| | - Xiangqian Cao
- Department of Urology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zeyi Wang
- Department of Urology, Shanghai General Hospital Affiliated to Nanjing Medical University, Shanghai, China
| | - Chenkai Yang
- Department of Urology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jiling Wen
- Department of Urology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China,*Correspondence: Jiling Wen, ; Mingyue Tan, ; Fang Zhang, ; Bing Shen,
| | - Mingyue Tan
- Department of Urology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China,*Correspondence: Jiling Wen, ; Mingyue Tan, ; Fang Zhang, ; Bing Shen,
| | - Fang Zhang
- Department of Urology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China,*Correspondence: Jiling Wen, ; Mingyue Tan, ; Fang Zhang, ; Bing Shen,
| | - Bing Shen
- Department of Urology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China,*Correspondence: Jiling Wen, ; Mingyue Tan, ; Fang Zhang, ; Bing Shen,
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Zhang L, Zong L, Li W, Ning L, Zhao Y, Wang S, Wang L. Construction of lncRNA prognostic model related to cuproptosis in esophageal carcinoma. Front Genet 2023; 14:1120827. [PMID: 37124619 PMCID: PMC10133708 DOI: 10.3389/fgene.2023.1120827] [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: 12/10/2022] [Accepted: 03/30/2023] [Indexed: 05/02/2023] Open
Abstract
Background: Esophageal carcinoma (ESCA) is one of the most prevalent malignant tumors in the world. The prognosis of patients has significantly improved with the development of surgery, targeted therapy and immunotherapy. But the 5-year survival rate of ESCA patients is still incredibly low. Cuproptosis is a type of mitochondrial cell death induced by copper. It is unclear how cuproptosis-related lncRNAs (CRLs) affect ESCA prognosis. Methods: In this study, we obtained the clinical data of ESCA patients, the transcriptome data from TCGA and identified CRLs by co-expression analysis, lasso regression, and cox regression analysis, to build a prognostic model. Then we validated the prognostic model using the Kaplan-Meier curve, cox regression analysis, and ROC, to create a nomogram based on risk score to forecast the prognosis of ESCA. Next, the immune escape of the CRLs was examined using the TIDE algorithm to assess its sensitivity to possible ESCA medications. Results: To predict the prognosis of ESCA patients, we created a predictive model using 6 CRLs (AC034199.1, AC125437.1, AC107032.2, CTBP1-DT, AL024508.1, and AC008610.1), validated by the Kaplan-Meier and ROC curves. The model has a higher diagnostic value compared to other clinical features. The 6 CRLs expressed high in TCGA and ESCA specimens. Enrichment analysis revealed CRLs largely contributed to the interaction between cytokines and their receptors as well as complement coagulation cascades. The immunity escape analysis demonstrated that immunotherapy had a worse effect in the low-risk group than in the high-risk group. Additionally, we screened out potential antineoplastic drugs according to the results of the immunoassay and obtained 5 drugs, including CP-466722, crizotinib, MS-275, KIN001-135, and CP-466722. Conclusion: The prognosis of patients with ESCA can be correctly predicted by the 6 CRLs chosen from this investigation. It lays the groundwork for more investigation into the ESCA mechanism and the identification of novel therapeutic targets.
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Affiliation(s)
- Liming Zhang
- Department of Clinical Medicine, Jining Medical University, Jining, China
| | - Ling Zong
- Department of Thoracic Surgery, Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, China
| | - Wenhui Li
- Medical Research Center, Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, China
| | - Lu Ning
- Department of Thoracic Surgery, Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, China
| | - Yajun Zhao
- Department of Clinical Medicine, Jining Medical University, Jining, China
| | - Shaoqiang Wang
- Department of Thoracic Surgery, Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, China
- *Correspondence: Shaoqiang Wang, ; Lina Wang,
| | - Lina Wang
- Medical Research Center, Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, China
- *Correspondence: Shaoqiang Wang, ; Lina Wang,
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Wu Z, Li W, Zhu H, Li X, Zhou Y, Chen Q, Huang H, Zhang W, Jiang X, Ren C. Identification of cuproptosis-related subtypes and the development of a prognostic model in glioma. Front Genet 2023; 14:1124439. [PMID: 36936439 PMCID: PMC10014798 DOI: 10.3389/fgene.2023.1124439] [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: 12/15/2022] [Accepted: 02/20/2023] [Indexed: 03/05/2023] Open
Abstract
Introduction: A copper-dependent cell death, cuproptosis, involves copper binding with lipoylated tricarboxylic acid (TCA) cycle components. In cuproptosis, ferredoxin 1 (FDX1) and lipoylation act as key regulators. The mechanism of cuproptosis differs from the current knowledge of cell death, which may invigorate investigations into copper's potential as a cancer treatment. An extremely dismal prognosis is associated with gliomas, the most prevalent primary intracranial tumor. In patients with glioma, conventional therapies, such as surgery and chemotherapy, have shown limited improvement. A variety of cell death modes have been confirmed to be operative in glioma oncogenesis and participate in the tumor microenvironment (TME), implicated in glioma development and progression. In this study, we aimed to explore whether cuproptosis influences glioma oncogenesis. Methods: Gene expression profiles related to cuproptosis were comprehensively evaluated by comparing adjacent tissues from glioma tissues in The Cancer Genome Atlas (TCGA) (https://portal.gdc.cancer.gov/) database. Gene expression, prognostic, clinical, and pathological data of lower-grade gliomas (LGG) and glioblastoma were retrieved from TCGA and Gene Expression Omnibus (GEO) (https://www.ncbi.nlm.nih.gov/geo/) databases. The datasets were managed by "Combat" algorithm to eliminate batch effects and then combined. A consensus clustering algorithm based on the Partitioning Around Medoid (PAM) algorithm was used to classified 725 patients with LGG and glioblastoma multiforme (GBM) into two cuproptosis subtypes. According to the differentially expressed genes in the two cuproptosis subtypes, 725 patients were divided into 2 gene subtypes. Additionally, a scoring system that associated with TME was constructed to predict patient survival and patient immunotherapy outcomes. Furthermore, we constructed a prognostic CRG-score and nomogram system to predict the prognosis of glioma patients. 95 tissue specimens from 83 glioma patients undergoing surgical treatment were collected, including adjacent tissues. Using immunohistochemistry and RT-qPCR, we verified cuproptosis-related genes expression and CRG-score predictive ability in these clinical samples. Results: Our results revealed extensive regulatory mechanisms of cuproptosis-related genes in the cell cycle, TME, clinicopathological characteristics, and prognosis of glioma. We also developed a prognostic model based on cuproptosis. Through the verifications of database and clinical samples, we believe that cuproptosis affects the prognosis of glioma and potentially provides novel glioma research approaches. Conclusion: We suggest that cuproptosis has potential importance in treating gliomas and could be utilized in new glioma research efforts.
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Affiliation(s)
- Zhaoping Wu
- Department of Neurosurgery, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Wei Li
- Department of Clinical Pharmacology, Hunan Key Laboratory of Pharmacogenetics and National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
- Institute of Clinical Pharmacology, Central South University, Changsha, China
| | - Hecheng Zhu
- Changsha Kexin Cancer Hospital, Changsha, Hunan, China
| | - Xuewen Li
- Changsha Kexin Cancer Hospital, Changsha, Hunan, China
| | - Yi Zhou
- Department of Neurosurgery, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Quan Chen
- Department of Neurosurgery, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Haoxuan Huang
- Department of Neurosurgery, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Wenlong Zhang
- Department of Neurosurgery, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Xingjun Jiang
- Department of Neurosurgery, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
- *Correspondence: Xingjun Jiang, ; Caiping Ren,
| | - Caiping Ren
- Department of Neurosurgery, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Cancer Research Institute, School of Basic Medical Science, Central South University, Changsha, China
- The NHC Key Laboratory of Carcinogenesis and The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Central South University, Changsha, China
- *Correspondence: Xingjun Jiang, ; Caiping Ren,
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Washington-Hughes CL, Roy S, Seneviratne HK, Karuppagounder SS, Morel Y, Jones JW, Zak A, Xiao T, Boronina TN, Cole RN, Bumpus NN, Chang CJ, Dawson TM, Lutsenko S. Atp7b-dependent choroid plexus dysfunction causes transient copper deficit and metabolic changes in the developing mouse brain. PLoS Genet 2023; 19:e1010558. [PMID: 36626371 PMCID: PMC9870141 DOI: 10.1371/journal.pgen.1010558] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 01/23/2023] [Accepted: 12/07/2022] [Indexed: 01/11/2023] Open
Abstract
Copper (Cu) has a multifaceted role in brain development, function, and metabolism. Two homologous Cu transporters, Atp7a (Menkes disease protein) and Atp7b (Wilson disease protein), maintain Cu homeostasis in the tissue. Atp7a mediates Cu entry into the brain and activates Cu-dependent enzymes, whereas the role of Atp7b is less clear. We show that during postnatal development Atp7b is necessary for normal morphology and function of choroid plexus (ChPl). Inactivation of Atp7b causes reorganization of ChPl' cytoskeleton and cell-cell contacts, loss of Slc31a1 from the apical membrane, and a decrease in the length and number of microvilli and cilia. In ChPl lacking Atp7b, Atp7a is upregulated but remains intracellular, which limits Cu transport into the brain and results in significant Cu deficit, which is reversed only in older animals. Cu deficiency is associated with down-regulation of Atp7a in locus coeruleus and catecholamine imbalance, despite normal expression of dopamine-β-hydroxylase. In addition, there are notable changes in the brain lipidome, which can be attributed to inhibition of diacylglyceride-to-phosphatidylethanolamine conversion. These results identify the new role for Atp7b in developing brain and identify metabolic changes that could be exacerbated by Cu chelation therapy.
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Affiliation(s)
| | - Shubhrajit Roy
- Department of Physiology, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Herana Kamal Seneviratne
- Department of Medicine, Division of Clinical Pharmacology, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Senthilkumar S. Karuppagounder
- Neurodegeneration and Stem Cell Program, Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, Maryland
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Yulemni Morel
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, Maryland
| | - Jace W. Jones
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, Maryland
| | - Alex Zak
- Department of Physiology, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Tong Xiao
- Department of Chemistry, University of California Berkeley, California, United States of America
| | - Tatiana N. Boronina
- Department of Biological Chemistry Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Robert N. Cole
- Department of Biological Chemistry Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Namandjé N. Bumpus
- Department of Medicine, Division of Clinical Pharmacology, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Christopher J. Chang
- Department of Chemistry, University of California Berkeley, California, United States of America
- Department of Molecular and Cell Biology, University of California Berkeley, California
- Helen Wills Neuroscience Institute, University of California Berkeley, California
| | - Ted M. Dawson
- Neurodegeneration and Stem Cell Program, Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, Maryland
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, Maryland
- Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, Maryland; United States of America
| | - Svetlana Lutsenko
- Department of Physiology, Johns Hopkins University School of Medicine, Baltimore, Maryland
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Involvement of Galectin-3 in neurocognitive impairment in obstructive sleep apnea via regulating inflammation and oxidative stress through NLRP3. Sleep Med 2023; 101:1-10. [PMID: 36332381 DOI: 10.1016/j.sleep.2022.09.018] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 09/08/2022] [Accepted: 09/19/2022] [Indexed: 01/11/2023]
Abstract
OBJECTIVE Accumulated studies have revealed that oxidative stress and inflammation play important roles in the development of OSA related cognitive dysfunction. Galectin-3, a member of the galectin family, has been reported to be involved in the neuroinflammatory diseases. However, the relationship between Galectin-3 and cognitive impairment in OSA remains ambiguous. MATERIALS AND METHODS 47 new diagnosed OSA patients and 18 age-, gender-, education- and body mass index-matched healthy control subjects were enrolled in the present study. All subjects underwent whole-night in-laboratory polysomnography (PSG). Montreal Cognitive Assessment (MoCA) was used to evaluated the cognitive function of OSA patients. Serum Galectin-3, interleukin (IL)-1β and IL-8 were examined by enzyme-linked immunosorbent assay (ELISA). The levels of malonaldehyde (MDA), superoxide dismutase (SOD) and catalase (CAT) were measured to evaluate oxidative stress. Protein level of Galectin-3 and NLRP3 in peripheral blood mononuclear cells (PBMCs) and human microglial clone 3 (HMC3) cells were measured by Western Blot. RESULTS Serum Galectin-3 level in severe OSA patients (2.31 ± 0.43 ng/m) was higher than those in mild-moderate OSA patients (1.87 ± 0.32 ng/m, p < 0.001) and those in the healthy controls (1.56 ± 0.22 ng/ml, p < 0.001). Similarly, Galectin-3 level in PBMCs was increased with disease severity (p < 0.01). In addition, OSA patients also showed higher levels of inflammation and oxidative stress (p < 0.01). Patients with OSA scored significantly lower than healthy controls on the MoCA test after controlling for age, gender, education, and BMI. CPAP treatment for 12 weeks effectively reduced the levels of Galectin-3, inflammation and oxidative stress, as well as improved cognitive function of severe OSA patients. Closed correlations were observed between Galectin-3 with sleep respiratory parameters and cognitive dysfunction. In addition, we explored the underlying mechanism of Galectin-3 in neuroinflammation and oxidative stress. We treated HMC3 cells with LPS to mimic neuroinflammatory response in vitro. The results showed that LPS treatment led to a dose-dependent increase in Galectin-3 expression, meanwhile induced inflammation and oxidative stress. Inhibiting Galectin-3 with a specific Galectin-3 inhibitor, TD139, significantly ameliorated LPS-induced neuroinflammation and oxidative stress via suppressing NLRP3. CONCLUSION Current findings suggest that increased Galectin-3 might be involved in the cognitive impairment of OSA patients by promoting neuroinflammation and oxidative stress via regulating NLRP3. These results suggested that Galectin-3 inhibition may exert a protective role against the neurocognitive dysfunction associated with OSA.
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Identification of Cuproptosis-Related Subtypes in Lung Cancer, Characterization of Tumor Microenvironment Infiltration, and Establishment of a Prognostic Model. BIOMED RESEARCH INTERNATIONAL 2022; 2022:7406636. [PMID: 36588537 PMCID: PMC9797313 DOI: 10.1155/2022/7406636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/21/2022] [Revised: 10/21/2022] [Accepted: 11/07/2022] [Indexed: 12/24/2022]
Abstract
Cuproptosis, a recently found kind of programmed cell death, has been linked to tumor development, prognosis, and therapeutic response. The roles of cuproptosis-related genes (CRG) in the tumor microenvironment (TME) are, nevertheless, unknown. We evaluated alterations in CRG and assessed the related expression patterns in 1445 lung cancer (LC) samples from three separate datasets, analyzing genetic, and transcriptional domains. We discovered two separate molecular subtypes of CRG and discovered that various subtypes of CRG were connected with patient clinical features and prognosis. Furthermore, we discovered connections between distinct CRG subtypes and TME cell infiltration features. The CRG_score was then developed and validated for predicting overall survival (OS). Following that, we investigated the relationship between CRG_score and the cancer stem cell (CSC) index and chemotherapeutic treatment sensitivity. In addition, we created a very accurate nomogram to increase the clinical usefulness of CRG_score. The potential roles of CRG in the tumor-immune-microenvironment, clinical characteristics, and prognosis in LC are demonstrated by our multiplex study. These findings expand our understanding of CRG in LC and may open up new options for assessing LC patients' prognosis and generating more effective immunotherapeutic treatments.
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Zhou Z, Zhou Y, Liu D, Yang Q, Tang M, Liu W. Prognostic and immune correlation evaluation of a novel cuproptosis-related genes signature in hepatocellular carcinoma. Front Pharmacol 2022; 13:1074123. [PMID: 36588699 PMCID: PMC9795230 DOI: 10.3389/fphar.2022.1074123] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Accepted: 12/05/2022] [Indexed: 12/23/2022] Open
Abstract
Hepatocellular carcinoma (HCC) is one of the world's malignant tumors with high morbidity and mortality. Cuproptosis is a novel form of cell death. However, the prognostic evaluation and immune relevance of cuproptosis-related genes (CRGs) in HCC are largely unknown. In our study, we constructed a prognostic model of CRGs in HCC and performed immune infiltration, functional analysis, immune checkpoint and drug sensitivity analysis. Systematically elaborated the prognostic and immune correlation of CRGs in HCC. The results showed that 15 CRGs were up-regulated or down-regulated in HCC, and the mutation frequency of CRGs reached 10.33% in HCC, with CDKN2A having the highest mutation frequency. These 19 CRGs were mainly involved in the mitochondrion, immune response and metabolic pathways. Five selected genes (CDKN2A, DLAT, DLST, GLS, PDHA1) were involved in constructing a prognostic CRGs model that enables the overall survival in HCC patients to be predicted with moderate to high accuracy. Prognostic CRGs, especially CDKN2A, the independent factor of HCC prognosis, may be closely associated with immune-cell infiltration, tumor mutation burden (TMB), microsatellite instability(MSI), and immune checkpoints. CD274, CTLA4, LAG3, PDCD1, PDCD1LG2 and SIGLEC15 may be identified as potential therapeutic targets and CD274 correlated highly with prognostic genes. Quantitative Real-Time PCR (qRT-PCR) and immunohistochemical were performed to validate the mRNA and protein expression levels of CDKN2A in adjacent normal tissues and HCC tissues, and the results were consistent with gene difference analysis. In conclusion, CRGs, especially CDKN2A, may serve as potential prognostic predictors in HCC patients and provide novel insights into cancer therapy.
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Affiliation(s)
- Zheng Zhou
- Department of Otolaryngology Head and Neck, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Yusong Zhou
- Department of Pharmacy, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Dongbo Liu
- Department of Pharmacy, Zunyi Medical University, Zunyi, China
| | - Qingping Yang
- Department of Pharmacy, Zunyi Medical University, Zunyi, China
| | - Mengjie Tang
- Department of Pathology, Hunan Cancer Hospital, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, China
| | - Wei Liu
- Department of Pharmacy, The Third Xiangya Hospital, Central South University, Changsha, China,*Correspondence: Wei Liu,
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Zheng M, Zhou H, Xie J, Zhang H, Shen X, Zhu D. Molecular typing and prognostic model of lung adenocarcinoma based on cuprotosis-related lncRNAs. J Thorac Dis 2022; 14:4828-4845. [PMID: 36647499 PMCID: PMC9840007 DOI: 10.21037/jtd-22-1534] [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: 10/08/2022] [Accepted: 12/01/2022] [Indexed: 12/24/2022]
Abstract
Background Previous research has shown the heterogeneity of lung adenocarcinoma (LUAD) accounts for the different effects and prognoses of the same treatment. Cuprotosis is a newly discovered form of programmed cell death involved in the development of tumors. Therefore, it is important to study the long non-coding RNAs (lncRNAs) that regulate cuprotosis to identify molecular subtypes and predict survival of LUAD. Methods The expression profile, clinical, and mutation data of LUAD were downloaded from The Cancer Genome Atlas (TCGA), and the "ConsensusClusterPlus" package was used to cluster LUADs based on cuprotosis-related lncRNAs (CR-lncRNAs). The least absolute shrinkage and selection operator (LASSO) and multivariate Cox regression were used to construct a prognostic model. CIBERSORT and single-sample gene set enrichment analysis (ssGSEA) were used for assessing immune cells infiltration and immune function. The tumor microenvironment (TME) score was calculated by ESTIMATE, and the tumor mutational burden (TMB) and Tumor Immune Dysfunction and Exclusion (TIDE) were used to evaluate the efficacy of immunotherapy. Results Firstly, 501 CR-lncRNAs were identified based on the co-expression relationship of 19 cuprotosis genes. And univariate Cox further obtained 34 prognosis-related CR-lncRNAs. The unsupervised consensus clustering divided LUAD samples into cluster A and cluster B, and showed cluster A had better prognosis, more immune cells infiltration, stronger immune function, and a higher TME score. Subsequently, we used Lasso Cox regression to construct a prognostic model, and univariate and multivariate Cox analyses showed the risk score could be an independent prognostic indicator. Immune cells infiltration, immune function, and TME score were increased markedly in the low-risk group, while TMB and TIDE suggested the efficacy of immunotherapy might be increased in high-risk group. Conclusions Our research identified two new molecular subtypes and constructed a novel prognostic model of LUAD which could provide new direction for its diagnosis, treatment, and prognosis.
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Affiliation(s)
- Miaosen Zheng
- Department of Pathology, The People’s Hospital of Rugao, Rugao Hospital Affiliated to Nantong University, Rugao, China
| | - Hao Zhou
- Department of Thoracic Surgery, Affiliated Hospital of Nantong University, Nantong, China
| | - Jing Xie
- Department of Pathology, The People’s Hospital of Rugao, Rugao Hospital Affiliated to Nantong University, Rugao, China
| | - Haifeng Zhang
- Department of Thoracic Surgery, The People’s Hospital of Rugao, Rugao Hospital Affiliated to Nantong University, Rugao, China
| | - Xiaojian Shen
- Department of Pathology, The People’s Hospital of Rugao, Rugao Hospital Affiliated to Nantong University, Rugao, China
| | - Dongbing Zhu
- Department of Pathology, The People’s Hospital of Rugao, Rugao Hospital Affiliated to Nantong University, Rugao, China
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Xu R, Wu X, Du A, Zhao Q, Huang H. Identification of cuproptosis-related long non-coding ribonucleic acid signature as a novel prognosis model for colon cancer. Am J Cancer Res 2022; 12:5241-5254. [PMID: 36504883 PMCID: PMC9729908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 11/12/2022] [Indexed: 12/15/2022] Open
Abstract
Cuproptosis is a novel type of cell death that may play a vital role in preventing various types of cancer. Studies examining cuproptosis are limited, and the cuproptosis-related lncRNAs (long non-Coding ribonucleic acids) involved in the regulation of colon cancer remain unclear. This study aimed to identify the prognostic signature of cupronosis-related lncRNAs and explore their potential molecular functions in colon cancer. Data on the clinical correlation were obtained from The Cancer Genome Atlas (TCGA) database. The differentially expressed cuproptosis-related long non-coding ribonucleic acids (lncRNAs) were analyzed using the "limma" package. Then, the prognostic cuproptosis-related lncRNA signature (CupRLSig) was identified through univariate Cox and co-expression analyses, and a prognostic model was constructed based on CupRLSig using the least absolute shrinkage selection operator (LASSO) algorithm and Cox regression analysis. The Kaplan-Meier survival curve and receiver operating characteristic (ROC) curve were used for evaluating the model's capacity for prognosis prediction. In addition, the immune landscape, and drug sensitivity of CupRLSig were analyzed. Finally, the functions of AL512306.3 and ZEB1-AS1 were verified through in vitro experiments. The high- or low-risk groups were classified according to the risk score. The signature-based risk score showed a stronger ability to predict patient's survival compared with the traditional clinicopathological features. In addition, immune responses, such as inflammation-promoting response and T-cell co-inhibition, were significantly different between the two groups. Moreover, chemotherapy drugs or inhibitors, such as axitinib, cisplatin, doxorubicin, and elesclomol, may be considered as potential therapeutic drugs for patients in high-risk groups. Finally, inhibition of AL512306.3 and ZEB1-AS1 significantly suppressed the cell proliferation in colon cancer cells. These results provide novel insights into the pathogenesis of colon cancer and offer promising biomarkers with the potential to guide research on carcinogenesis and cancer treatment.
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Affiliation(s)
- Rong Xu
- NHC Key Laboratory of Carcinogenesis, Cancer Research Institute and School of Basic Medicine, Central South UniversityChangsha 410078, Hunan, China,Department of Histology and Embryology, Xiangya School of Medicine, Central South UniversityChangsha 410013, Hunan, China
| | - Xin Wu
- Department of Orthopedics, The Third Xiangya Hospital, Central South UniversityChangsha 410013, Hunan, China
| | - Ashuai Du
- Department of Cell Biology, School of Life Sciences, Central South UniversityChangsha 410013, Hunan, China
| | - Qiangqiang Zhao
- Department of Hematology, The Qinghai Provincial People’s HospitalXining 810007, Qinghai, China
| | - He Huang
- NHC Key Laboratory of Carcinogenesis, Cancer Research Institute and School of Basic Medicine, Central South UniversityChangsha 410078, Hunan, China,Department of Histology and Embryology, Xiangya School of Medicine, Central South UniversityChangsha 410013, Hunan, China
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Hong P, Huang W, Du H, Hu D, Cao Q, Wang Y, Zhang H, Tong S, Li Z, Tong M. Prognostic value and immunological characteristics of a novel cuproptosis-related long noncoding RNAs risk signature in kidney renal clear cell carcinoma. Front Genet 2022; 13:1009555. [PMID: 36406128 PMCID: PMC9669974 DOI: 10.3389/fgene.2022.1009555] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 10/21/2022] [Indexed: 09/29/2023] Open
Abstract
Background: Cuproptosis has been found as a novel cell death mode significantly associated with mitochondrial metabolism, which may be significantly associated with the occurrence and growth of tumors. LncRNAs take on critical significance in regulating the development of kidney renal clear cell carcinoma (KIRC), whereas the correlation between cuproptosis-related LncRNAs (CRLs) and KIRC is not clear at present. Therefore, this study built a prognosis signature based on CRLs, which can achieve accurate prediction of the outcome of KIRC patients. Methods: The TCGA database provided the expression profile information and relevant clinical information of KIRC patients. Univariate Cox, Lasso, and multivariate Cox were employed for building a risk signature based on CRLs. Kaplan-Meier (K-M) survival analysis and time-dependent receiver operating characteristic (ROC) curve were employed for the verification and evaluation of the reliability and accuracy of risk signature. Then, qRT-PCR analysis of risk LncRNAs was conducted. Finally, the possible effect of the developed risk signature on the microenvironment for tumor immunization was speculated in accordance with ssGSEA and ESTIMATE algorithms. Results: A prognosis signature composed of APCDD1L-DT, MINCR, AL161782.1, and AC026401.3 was built based on CRLs. As revealed by the results of the K-M survival study, the OS rate and progression-free survival rate of highrisk KIRC patients were lower than those of lowrisk KIRC patients, and the areas under ROC curves of 1, 3, and 5 years were 0.828, 0.780, and 0.794, separately. The results of the immune analysis showed that there were significant differences in the status of immunization and the microenvironment of tumor between groups at low-risk and at high-risk. The qRT-PCR results showed that the relative expression level of MINCR and APCDD1L-DT were higher in 786-O and 769-P tumor cells than in HK-2 cells, which were normal renal tubular epithelial cells. Conclusion: The developed risk signature takes on critical significance in the prediction of the prognosis of patients with KIRC, and it can bring a novel direction for immunotherapy and clinical drug treatment of KIRC. In addition, 4 identified risk LncRNAs (especially APCDD1L-DT and MINCR) can be novel targets for immunotherapy of KIRC patients.
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Affiliation(s)
- Peng Hong
- Department of Urology, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou Medical University, Jinzhou, China
| | - Weichao Huang
- Department of Urology, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou Medical University, Jinzhou, China
| | - Huifang Du
- Department of Radiology, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Ding Hu
- Department of Urology, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou Medical University, Jinzhou, China
| | - Qingfei Cao
- Department of Urology, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou Medical University, Jinzhou, China
| | - Yinjie Wang
- Department of Urology, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou Medical University, Jinzhou, China
| | - Huashan Zhang
- Department of Urology, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou Medical University, Jinzhou, China
| | - Siqiao Tong
- The First Clinical College of Jinzhou Medical University, Jinzhou Medical University, Jinzhou, China
| | - Zizhi Li
- Department of Urology, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou Medical University, Jinzhou, China
| | - Ming Tong
- Department of Urology, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou Medical University, Jinzhou, China
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Huang EM, Ma N, Ma T, Zhou JY, Yang WS, Liu CX, Hou ZH, Chen S, Zong Z, Zeng B, Li YR, Zhou TC. Cuproptosis-related long non-coding RNAs model that effectively predicts prognosis in hepatocellular carcinoma. World J Gastrointest Oncol 2022; 14:1981-2003. [PMID: 36310708 PMCID: PMC9611437 DOI: 10.4251/wjgo.v14.i10.1981] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 07/29/2022] [Accepted: 08/17/2022] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Cuproptosis has recently been considered a novel form of programmed cell death. To date, long-chain non-coding RNAs (lncRNAs) crucial to the regulation of this process remain unelucidated.
AIM To identify lncRNAs linked to cuproptosis in order to estimate patients' prognoses for hepatocellular carcinoma (HCC).
METHODS Using RNA sequence data from The Cancer Genome Atlas Live Hepatocellular Carcinoma (TCGA-LIHC), a co-expression network of cuproptosis-related genes and lncRNAs was constructed. For HCC prognosis, we developed a cuproptosis-related lncRNA signature (CupRLSig) using univariate Cox, lasso, and multivariate Cox regression analyses. Kaplan-Meier analysis was used to compare overall survival among high- and low-risk groups stratified by median CupRLSig risk score. Furthermore, comparisons of functional annotation, immune infiltration, somatic mutation, tumor mutation burden (TMB), and pharmacologic options were made between high- and low-risk groups.
RESULTS Three hundred and forty-three patients with complete follow-up data were recruited in the analysis. Pearson correlation analysis identified 157 cuproptosis-related lncRNAs related to 14 cuproptosis genes. Next, we divided the TCGA-LIHC sample into a training set and a validation set. In univariate Cox regression analysis, 27 LncRNAs with prognostic value were identified in the training set. After lasso regression, the multivariate Cox regression model determined the identified risk equation as follows: Risk score = (0.2659 × PICSAR expression) + (0.4374 × FOXD2-AS1 expression) + (-0.3467 × AP001065.1 expression). The CupRLSig high-risk group was associated with poor overall survival (hazard ratio = 1.162, 95%CI = 1.063-1.270; P < 0.001) after the patients were divided into two groups depending upon their median risk score. Model accuracy was further supported by receiver operating characteristic and principal component analysis as well as the validation set. The area under the curve of 0.741 was found to be a better predictor of HCC prognosis as compared to other clinicopathological variables. Mutation analysis revealed that high-risk combinations with high TMB carried worse prognoses (median survival of 30 mo vs 102 mo of low-risk combinations with low TMB group). The low-risk group had more activated natural killer cells (NK cells, P = 0.032 by Wilcoxon rank sum test) and fewer regulatory T cells (Tregs, P = 0.021) infiltration than the high-risk group. This finding could explain why the low-risk group has a better prognosis. Interestingly, when checkpoint gene expression (CD276, CTLA-4, and PDCD-1) and tumor immune dysfunction and rejection (TIDE) scores are considered, high-risk patients may respond better to immunotherapy. Finally, most drugs commonly used in preclinical and clinical systemic therapy for HCC, such as 5-fluorouracil, gemcitabine, paclitaxel, imatinib, sunitinib, rapamycin, and XL-184 (cabozantinib), were found to be more efficacious in the low-risk group; erlotinib, an exception, was more efficacious in the high-risk group.
CONCLUSION The lncRNA signature, CupRLSig, constructed in this study is valuable in prognostic estimation of HCC. Importantly, CupRLSig also predicts the level of immune infiltration and potential efficacy of tumor immunotherapy.
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Affiliation(s)
- En-Min Huang
- Department of Gastroenterological Surgery and Hernia Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, Guangdong Province, China
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, Guangdong Province, China
| | - Ning Ma
- Department of Gastroenterological Surgery and Hernia Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, Guangdong Province, China
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, Guangdong Province, China
| | - Tao Ma
- Department of Gastroenterological Surgery and Hernia Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, Guangdong Province, China
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, Guangdong Province, China
| | - Jun-Yi Zhou
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, Guangdong Province, China
- Department of Gastrointestinal Surgery, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, Guangdong Province, China
| | - Wei-Sheng Yang
- Department of Gastroenterological Surgery and Hernia Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, Guangdong Province, China
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, Guangdong Province, China
| | - Chuang-Xiong Liu
- Department of Gastroenterological Surgery and Hernia Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, Guangdong Province, China
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, Guangdong Province, China
| | - Ze-Hui Hou
- Department of Gastroenterological Surgery and Hernia Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, Guangdong Province, China
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, Guangdong Province, China
| | - Shuang Chen
- Department of Gastroenterological Surgery and Hernia Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, Guangdong Province, China
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, Guangdong Province, China
| | - Zhen Zong
- Department of Gastroenterological Surgery, The Second Affiliated Hospital, Nanchang University, Nanchang 330006, Jiangxi Province, China
| | - Bing Zeng
- Department of Gastroenterological Surgery and Hernia Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, Guangdong Province, China
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, Guangdong Province, China
| | - Ying-Ru Li
- Department of Gastroenterological Surgery and Hernia Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, Guangdong Province, China
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, Guangdong Province, China
| | - Tai-Cheng Zhou
- Department of Gastroenterological Surgery and Hernia Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, Guangdong Province, China
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, Guangdong Province, China
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Wang Y, Zhang C, Ji C, Jin W, He X, Yu S, Guo R. Molecular subtypes based on cuproptosis-related genes and immune profiles in lung adenocarcinoma. Front Genet 2022; 13:1006938. [PMID: 36313439 PMCID: PMC9597639 DOI: 10.3389/fgene.2022.1006938] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 09/29/2022] [Indexed: 07/21/2024] Open
Abstract
Background: Recent studies have identified several molecular subtypes of lung adenocarcinoma (LUAD) that have different prognoses to help predict the efficacy of immunotherapy. However, the prognostic prediction is less than satisfactory. Alterations in intracellular copper levels may affect the tumor immune microenvironment and are linked to cancer progression. Previous studies have identified some genes related to cuproptosis. The characteristics of the cuproptosis molecular subtypes have not been thoroughly studied in LUAD. Methods: The transcriptomic data and clinical information of 632 LUAD patients were used to investigate the LUAD molecular subtypes that are associated with the cuproptosis-related genes (CRGs), the tumor immune microenvironment, and stemness. The cuproptosis score was constructed using univariate Cox regression and the minor absolute shrinkage and selection operator (LASSO) to quantify the prognostic characteristics. Results: Three different molecular subtypes related to cuproptosis, with different prognoses, were identified in LUAD. Cluster A had the highest cuproptosis score and the worst prognosis. Patients in the high cuproptosis score group had a higher somatic mutation frequency and stemness scores. Patients in the low cuproptosis score group had more immune infiltration and better prognosis. Conclusion: Molecular subtypes of LUAD based on CRGs reflect the differences in LUAD patients. The cuproptosis score can be used as a promising biomarker, which is of great significance to distinguish the relationship between cuproptosis and the immune microenvironment. The cuproptosis signature based on the cuproptosis score and clinical characteristics of individual patients will be useful for guiding immunotherapy in LUAD.
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Affiliation(s)
- Yufei Wang
- Zhejiang University-University of Edinburgh Institute, Zhejiang University, Haining, Zhejiang, China
| | - Chen Zhang
- Jiangsu Province Hospital and Nanjing Medical University First Affiliated Hospital, Nanjing, Jiangsu, China
| | - Chengyue Ji
- Jiangsu Province Hospital and Nanjing Medical University First Affiliated Hospital, Nanjing, Jiangsu, China
| | - Wenli Jin
- Zhejiang University-University of Edinburgh Institute, Zhejiang University, Haining, Zhejiang, China
| | - Xin He
- Zhejiang University-University of Edinburgh Institute, Zhejiang University, Haining, Zhejiang, China
| | - Shunzhi Yu
- Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai, China
| | - Renhua Guo
- Jiangsu Province Hospital and Nanjing Medical University First Affiliated Hospital, Nanjing, Jiangsu, China
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Li P, Li J, Wen F, Cao Y, Luo Z, Zuo J, Wu F, Li Z, Li W, Wang F. A novel cuproptosis-related LncRNA signature: Prognostic and therapeutic value for acute myeloid leukemia. Front Oncol 2022; 12:966920. [PMID: 36276132 PMCID: PMC9585311 DOI: 10.3389/fonc.2022.966920] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Accepted: 09/23/2022] [Indexed: 11/24/2022] Open
Abstract
Background Cuproptosis is a type of programmed cell death that is involved in multiple physiological and pathological processes, including cancer. We constructed a prognostic cuproptosis-related long non-coding RNA (lncRNA) signature for acute myeloid leukemia (AML). Methods RNA-seq and clinical data for AML patients were acquired from The Cancer Genome Atlas (TCGA) database. The cuproptosis-related prognostic lncRNAs were identified by co-expression and univariate Cox regression analysis. The least absolute shrinkage and selection operator (LASSO) was performed to construct a cuproptosis-related lncRNA signature, after which the AML patients were classified into two risk groups based on the risk model. Kaplan-Meier, ROC, univariate and multivariate Cox regression, nomogram, and calibration curves analyses were used to evaluate the prognostic value of the model. Then, expression levels of the lncRNAs in the signature were investigated in AML samples by quantitative polymerase chain reaction (qPCR). KEGG functional analysis, single-sample GSEA (ssGSEA), and the ESTIMATE algorithm were used to analyze the mechanisms and immune status between the different risk groups. The sensitivities for potential therapeutic drugs for AML were also investigated. Results Five hundred and three lncRNAs related to 19 CRGs in AML samples from the TCGA database were obtained, and 21 differentially expressed lncRNAs were identified based on the 2-year overall survival (OS) outcomes of AML patients. A 4-cuproptosis-related lncRNA signature for survival was constructed by LASSO Cox regression. High-risk AML patients exhibited worse outcomes. Univariate and multivariate Cox regression analyses demonstrated the independent prognostic value of the model. ROC, nomogram, and calibration curves analyses revealed the predictive power of the signature. KEGG pathway and ssGSEA analyses showed that the high-risk group had higher immune activities. Lastly, AML patients from different risk groups showed differential responses to various agents. Conclusion A cuproptosis-related lncRNA signature was established to predict the prognosis and inform on potential therapeutic strategies for AML patients.
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Affiliation(s)
- Pian Li
- The First Affiliated Hospital, Department of Oncology Radiotherapy, Hengyang Medical School, University of South China, Hengyang, China
| | - Junjun Li
- The First Affiliated Hospital, Department of Hematology, Hengyang Medical School, University of South China, Hengyang, China
| | - Feng Wen
- The First Affiliated Hospital, Department of Hematology, Hengyang Medical School, University of South China, Hengyang, China
| | - Yixiong Cao
- The First Affiliated Hospital, Department of Hematology, Hengyang Medical School, University of South China, Hengyang, China
| | - Zeyu Luo
- The First Affiliated Hospital, Department of Hematology, Hengyang Medical School, University of South China, Hengyang, China
| | - Juan Zuo
- The First Affiliated Hospital, Department of Hematology, Hengyang Medical School, University of South China, Hengyang, China
| | - Fei Wu
- The First Affiliated Hospital, Department of Hematology, Hengyang Medical School, University of South China, Hengyang, China
| | - Zhiqin Li
- The First Affiliated Hospital, Department of Hematology, Hengyang Medical School, University of South China, Hengyang, China
| | - Wenlu Li
- The First Affiliated Hospital, Department of Hematology, Hengyang Medical School, University of South China, Hengyang, China
| | - Fujue Wang
- The First Affiliated Hospital, Department of Hematology, Hengyang Medical School, University of South China, Hengyang, China
- Department of Hematology, West China Hospital of Sichuan University, Chengdu, China
- *Correspondence: Fujue Wang,
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Wang F, Lin H, Su Q, Li C. Cuproptosis-related lncRNA predict prognosis and immune response of lung adenocarcinoma. World J Surg Oncol 2022; 20:275. [PMID: 36050740 PMCID: PMC9434888 DOI: 10.1186/s12957-022-02727-7] [Citation(s) in RCA: 46] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Accepted: 08/09/2022] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Lung adenocarcinoma (LUAD) accounts for 50% of lung cancers, with high mortality and poor prognosis. Long non-coding RNA (lncRNA) plays a vital role in the progression of tumors. Cuproptosis is a newly discovered form of cell death that is highly investigated. Therefore, in the present study, we aimed to investigate the role of cuproptosis-related lncRNA signature in clinical prognosis prediction and immunotherapy and the relationship with drug sensitivity. MATERIAL AND METHODS Genomic and clinical data were obtained from The Cancer Genome Atlas (TCGA) and Gene Expression Omnibus (GEO) databases, and cuproptosis-related genes were obtained from cuproptosis-related studies. The prognostic signature was constructed by co-expression analysis and Cox regression analysis. Patients were divided into high and low risk groups, and then, a further series of model validations were carried out to assess the prognostic value of the signature. Subsequently, lncRNAs were analyzed for gene ontology (GO), Kyoto Encyclopedia of Genes and Genomes Enrichment (KEGG), immune-related functions, and tumor mutation burden (TMB). Finally, we used tumor immune dysfunction and exclusion (TIDE) algorithms on immune escape and immunotherapy of cuproptosis-related lncRNAs, thereby identifying its sensitivity toward potential drugs for LUAD. RESULTS A total of 16 cuproptosis-related lncRNAs were obtained, and a prognostic signature was developed. We found that high-risk patients had worse overall survival (OS) and progression-free survival (PFS) and higher mortality. Independent prognostic analyses, ROC, C-index, and nomogram showed that the cuproptosis-related lncRNAs can accurately predict the prognosis of patients. The nomogram and heatmap showed a distinct distribution of the high- and low-risk cuproptosis-related lncRNAs. Enrichment analysis showed that the biological functions of lncRNAs are associated with tumor development. We also found that immune-related functions, such as antiviral activity, were suppressed in high-risk patients who had mutations in oncogenes. OS was poorer in patients with high TMB. TIDE algorithms showed that high-risk patients have a greater potential for immune escape and less effective immunotherapy. CONCLUSION To conclude, the 16 cuproptosis-related lncRNAs can accurately predict the prognosis of patients with LUAD and may provide new insights into clinical applications and immunotherapy.
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Affiliation(s)
- Fangwei Wang
- grid.412594.f0000 0004 1757 2961Department of Respiratory Medicine, The First Affiliated Hospital of Guangxi Medical University, Nan’ning, China
| | - Hongsheng Lin
- grid.256607.00000 0004 1798 2653Department of Microbiology, School of Basic Medical Sciences, Guangxi Medical University, Nan’ning, China
| | - Qisheng Su
- grid.412594.f0000 0004 1757 2961Department of Clinical Laboratory, The First Affiliated Hospital of Guangxi Medical University, Nan’ning, China
| | - Chaoqian Li
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangxi Medical University, Nan'ning, China.
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Huan C, Gao J. A novel cuproptosis-related lncRNA prognostic signature for predicting treatment and immune environment of head and neck squamous cell carcinoma. MATHEMATICAL BIOSCIENCES AND ENGINEERING : MBE 2022; 19:12127-12145. [PMID: 36653989 DOI: 10.3934/mbe.2022564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Head and neck squamous cell carcinoma (HNSCC) is an urgent public health issue due to its poor prognosis and resistance to anti-cancer agents. However, the role of cuproptosis, a newly identified form cell death, in applications of HNSCC is still not a known. In this study, single-cell RNA sequencing data was used to explore cuproptosis-related gene expression in the tumour microenvironment. A prognostic model was constructed based on the cuproptosis-related lncRNA. Various methods were performed to predict the overall survival (OS) of different risk score patients and explore difference in enrichment function and pathways between the risk score patients. Finally, a series of immunogenomic landscape analyses were performed and evaluated the immune function, immune infiltration and sensitivity to chemotherapeutic agents. Cancer cell cluster expressed the essential cuproptosis-related gene. As the risk score increased of HNSCC patients, a significant decrease in survival status and time occurred for patients in the high-risk score patient. The AUC for predicting 1-, 3-, and 5-years OS were 0.679, 0.713 and 0.656, indicating that the model regarded as an independent prognostic signature in comparison with the clinical-pathological characteristics. As a results of GO, the immune function and immune infiltration of different risk score patients were assessed, revealing significant differences in T cell function and abundance of different types of T cells. Low-risk score patients are relatively insensitive to chemotherapy agents such as docetaxel and cisplatin, and easily resistant to immunotherapy. A cuproptosis-related lncRNA prognostic model was constructed to predict OS of HNSCC patients and provided the newly therapeutic strategies.
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Affiliation(s)
- Changxiang Huan
- Zhongshan Clinical College, Dalian University, Dalian 116000, China
| | - Jiaxin Gao
- Medical College, Guangxi University, Nanning 530000, China
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41
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Li Z, Zhang H, Wang X, Wang Q, Xue J, Shi Y, Wang M, Wang G, Zhang J. Identification of cuproptosis-related subtypes, characterization of tumor microenvironment infiltration, and development of a prognosis model in breast cancer. Front Immunol 2022; 13:996836. [PMID: 36059516 PMCID: PMC9437337 DOI: 10.3389/fimmu.2022.996836] [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: 07/18/2022] [Accepted: 08/02/2022] [Indexed: 01/10/2023] Open
Abstract
Breast cancer (BC) is now the most frequent and lethal cancer among women. Cuproptosis is a newly identified programmed cell death process that has been connected to tumor therapeutic sensitivity, patient outcomes, and the genesis of cancer. Cuproptosis-related genes (CRGs) are involved in breast cancer, although their roles and potential mechanisms are still unclear. First, we examined the effect of gene mutations and copy number changes on overall survival in 1168 breast cancer samples. Breast cancer patients were split into two molecular categories as determined by the variation in CRG based on clinicopathological traits, overall survival, and cell-infiltrating traits in tumor microenvironments. In addition, we created and validated a CRG score to calculate breast cancer patients' OS. Finally, we created a comprehensive nomogram for the clinical use of the CRG score. Patients whose CRG scores were low showed increased odds of developing OS, a larger mutation load, and immunological activation than those with high CRG scores. The CRG score, the cancer stem cell index, and the responsiveness to chemotherapy or targeted therapies were also shown to be statistically significantly correlated. Our thorough examination of CRGs in breast cancer patients demonstrated that they may be useful predictors of prognosis, clinical characteristics, and tumor microenvironment. These findings provide fresh insight into CRGs in breast cancer and might inspire brand-new approaches to both diagnosing and treating patients there.
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Affiliation(s)
- Zhi Li
- Department of General Surgery, Taihe Hospital, Hubei University of Medicine, Shiyan, China,Hubei Key Laboratory of Embryonic Stem Cell Research, Taihe Hospital, Hubei University of Medicine, Shiyan, China,*Correspondence: Jianquan Zhang, ; Zhi Li,
| | - Hua Zhang
- Department of General Surgery, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Xixi Wang
- Department of General Surgery, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Qun Wang
- Department of General Surgery, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Jiapeng Xue
- Department of General Surgery, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Yun Shi
- Department of General Surgery, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Minghua Wang
- Department of General Surgery, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Geng Wang
- Department of General Surgery, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Jianquan Zhang
- Department of General Surgery, Affiliated Haikou Hospital of Xiangya Medical College, Central South Univesity, Haikou, China,*Correspondence: Jianquan Zhang, ; Zhi Li,
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42
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Li X, Ma Z, Mei L. Cuproptosis-related gene SLC31A1 is a potential predictor for diagnosis, prognosis and therapeutic response of breast cancer. Am J Cancer Res 2022; 12:3561-3580. [PMID: 36119835 PMCID: PMC9442001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Accepted: 07/16/2022] [Indexed: 06/15/2023] Open
Abstract
Cuproptosis is a recently reported novel way of cell death. A comprehensive study regarding expression, function and mechanism of cuproptosis-related genes in breast cancer is still absent. In this work, a series of in silico analyses were employed and SLC31A1 was selected as the most potential cuproptosis-related gene in breast cancer, which was statistically upregulated and possessed significant abilities to predict diagnosis, prognosis and drug response. Moreover, SLC31A1 was significantly positively correlated with different immune cell infiltration levels, immune cell biomarkers or immune checkpoints in breast cancer. Upstream G2E3-AS1/let-7a-5p and CDKN2B-AS1/let-7b-5p pathways were found to be responsible for SLC31A1 upregulation in breast cancer based on competing endogenous RNA mechanism. Furthermore, we found that SLC31A1 overexpression might be also induced by its high copy number level in breast cancer. Collectively, our current data elucidated that cuproptosis-related SLC31A1 might be a promising diagnostic/prognostic biomarker and drug responsive predictor in breast cancer.
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Affiliation(s)
- Xiao Li
- Emergency Department, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical UniversityTaizhou 317000, Zhejiang, China
| | - Zhaosheng Ma
- Department of Oncological Surgery, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical UniversityTaizhou 317000, Zhejiang, China
| | - Linhang Mei
- Department of Oncological Surgery, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical UniversityTaizhou 317000, Zhejiang, China
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43
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Liu Y, Liu Y, Ye S, Feng H, Ma L. Development and validation of cuproptosis-related gene signature in the prognostic prediction of liver cancer. Front Oncol 2022; 12:985484. [PMID: 36033443 PMCID: PMC9413147 DOI: 10.3389/fonc.2022.985484] [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: 07/04/2022] [Accepted: 07/18/2022] [Indexed: 01/03/2023] Open
Abstract
Liver cancer is a generic term referring to several cancer types arising from the liver. Every year, liver cancer causes lots of deaths and other burdens to the people all over the world. Though the techniques in the diagnosis and therapy of liver cancer have undergone significant advances, the current status of treating liver cancer is not satisfactory enough. The improvement of techniques for the prognosis of liver cancer patients will be a great supplement for the treatment of liver cancer. Cuproptosis is a newly identified regulatory cell death type, which may have a close connection to liver cancer pathology. Here, we developed a prognostic model for liver cancer based on the cuproptosis-related mRNAs and lncRNAs. This model can not only effectively predict the potential survival of liver cancer patients, but also be applied to evaluate the infiltration of immune cell, tumor mutation burden, and sensitivity to anti-tumor drugs in liver cancer. In addition, this model has been successfully validated in lots of liver cancer patients’ data. In summary, we wish this model can become a helpful tool for clinical use in the therapy of liver cancer.
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Affiliation(s)
- Yanqing Liu
- Endoscopy Center, China-Japan Union Hospital of Jilin University, Changchun, China
- Herbert Irving Comprehensive Cancer Center, Columbia University, New York, NY, United States
| | - Yang Liu
- Endoscopy Center, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Shujun Ye
- Endoscopy Center, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Huijin Feng
- Herbert Irving Comprehensive Cancer Center, Columbia University, New York, NY, United States
| | - Lianjun Ma
- Endoscopy Center, China-Japan Union Hospital of Jilin University, Changchun, China
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44
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Hu Q, Wang R, Ma H, Zhang Z, Xue Q. Cuproptosis predicts the risk and clinical outcomes of lung adenocarcinoma. Front Oncol 2022; 12:922332. [PMID: 36003780 PMCID: PMC9393616 DOI: 10.3389/fonc.2022.922332] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Accepted: 07/12/2022] [Indexed: 12/12/2022] Open
Abstract
Copper is an essential microelement for the body and a necessary coregulator for enzymatic reactions, yet an unbalanced copper level promotes reactive oxidation and cytotoxicity, which ultimately induces cell death. Several small molecules targeting copper-induced cell death have been investigated, yet few showed promising therapeutic effects in clinical trials. In March 2022, Science first introduced the concept and mechanisms of cuproptosis, suggesting that copper-induced cell death targets the tricarboxylic acid (TCA) cycle via protein lipoylation. Does this novel form of cell death take part in tumorigenesis or tumor progression? Is cuproptosis related to clinical outcomes of diseases? Is there a cuproptosis-related panel for clinical practice in cancer treatment? Herein, based on 942 samples of lung adenocarcinoma (LUAD), we analyzed on gene set level the existence and predictive value of cuproptosis in disease diagnosis and treatment. We screened out and identified the “cupLA” panel which indicates the risk of LUAD occurrence, clinicopathological features of LUAD patients, and could guide clinicians to refine LUAD subtypes and make treatment choices.
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Affiliation(s)
- Qin Hu
- Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong, China
- Medical School of Nantong University, Nantong University, Nantong, China
| | - Runtian Wang
- Department of Oncology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Huiyun Ma
- Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong, China
- Medical School of Nantong University, Nantong University, Nantong, China
| | - Zhouwei Zhang
- Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong, China
- Medical School of Nantong University, Nantong University, Nantong, China
| | - Qun Xue
- Department of Cardiothoracic Surgery, Affiliated Hospital of Nantong University, Nantong, China
- *Correspondence: Qun Xue,
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45
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Probable Reasons for Neuron Copper Deficiency in the Brain of Patients with Alzheimer’s Disease: The Complex Role of Amyloid. INORGANICS 2022. [DOI: 10.3390/inorganics10010006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Alzheimer’s disease is a progressive neurodegenerative disorder that eventually leads the affected patients to die. The appearance of senile plaques in the brains of Alzheimer’s patients is known as a main symptom of this disease. The plaques consist of different components, and according to numerous reports, their main components include beta-amyloid peptide and transition metals such as copper. In this disease, metal dyshomeostasis leads the number of copper ions to simultaneously increase in the plaques and decrease in neurons. Copper ions are essential for proper brain functioning, and one of the possible mechanisms of neuronal death in Alzheimer’s disease is the copper depletion of neurons. However, the reason for the copper depletion is as yet unknown. Based on the available evidence, we suggest two possible reasons: the first is copper released from neurons (along with beta-amyloid peptides), which is deposited outside the neurons, and the second is the uptake of copper ions by activated microglia.
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46
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Wang T, Wu L, Chen Q, Chen K, Tan F, Liu J, Liu X, Han H. Copper deposition in Wilson's disease causes male fertility decline by impairing reproductive hormone release through inducing apoptosis and inhibiting ERK signal in hypothalamic-pituitary of mice. Front Endocrinol (Lausanne) 2022; 13:961748. [PMID: 35992126 PMCID: PMC9389053 DOI: 10.3389/fendo.2022.961748] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Accepted: 07/11/2022] [Indexed: 11/13/2022] Open
Abstract
Wilson's disease (WD) is an autosomal recessive disorder of copper metabolism characterized by liver and central nervous system dysfunction. Considerable evidence suggests that infertility is also very common in male patients with WD, but the exact molecular mechanisms involved remain unknown. In order to further investigate the pathological changes in the hypothalamic-pituitary-testicular (HPT) axis and its mechanisms, mice were divided into the normal control group (NC), WD model TX mice group (WD), dimercaptosuccinic acid-treated TX mice group (DMSA), and pregnant horse serum gonadotropin-treated TX mice group (PMSG). The copper content and morphology of hypothalamus and pituitary tissues, the ultrastructure and apoptosis of hypothalamus neurons and pituitary gonadotropin cells, the serum levels of reproductive hormones, and the pregnancy rate and litter size of the female mice were studied. The expression of apoptosis-related proteins and the phosphorylation of extracellular regulatory protein kinase (ERK) 1/2 in the hypothalamus and pituitary were detected. The results showed that the copper content was significantly increased in the WD group, and the histopathological morphology and ultrastructure of the hypothalamus and pituitary were damaged. The levels of the gonadotropin-releasing hormone, the follicle-stimulating hormone, the luteinizing hormone, and testosterone were significantly decreased. The apoptosis rate in the hypothalamus and pituitary was significantly increased. The expressions of proapoptotic proteins Bax and Caspase-3 were significantly increased, the expression of the anti-apoptotic protein Bcl-2 was significantly decreased, and the phosphorylation level of ERK1/2 was significantly decreased. Fertility is significantly reduced. After DMSA intervention, the hypothalamus tissue copper content decreased, the hypothalamus and pituitary tissue morphology and ultrastructure were improved, cell apoptosis was alleviated, the expression of Bax and Caspase-3 was significantly decreased, the expression of Bcl-2 was significantly increased, and the reproductive hormone level, phosphorylation level, and fertility were increased. Fertility was preserved after treatment with PMSG in male TX mice. These results suggest that copper deposition in WD causes male fertility decline by impairing reproductive neuroendocrine hormone release through inducing apoptosis and inhibiting the ERK signal in the hypothalamic-pituitary region. This study can also provide reference for the damage of copper pollution to the male reproductive system.
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Affiliation(s)
- Tingting Wang
- Encephalopathy Center, The First Affiliated Hospital, Anhui University of Traditional Chinese Medicine, Hefei, China
| | - Limin Wu
- Reproductive and Genetic Branch, The First Affiliated Hospital of University of Science and Technology of China (USTC), Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
- *Correspondence: Hui Han, ; Limin Wu,
| | - Qiuying Chen
- Encephalopathy Center, The First Affiliated Hospital, Anhui University of Traditional Chinese Medicine, Hefei, China
| | - Kuiyu Chen
- Encephalopathy Center, The First Affiliated Hospital, Anhui University of Traditional Chinese Medicine, Hefei, China
| | - Fang Tan
- Encephalopathy Center, The First Affiliated Hospital, Anhui University of Traditional Chinese Medicine, Hefei, China
| | - Jiabo Liu
- Encephalopathy Center, The First Affiliated Hospital, Anhui University of Traditional Chinese Medicine, Hefei, China
| | - Xiang Liu
- Encephalopathy Center, The First Affiliated Hospital, Anhui University of Traditional Chinese Medicine, Hefei, China
| | - Hui Han
- Encephalopathy Center, The First Affiliated Hospital, Anhui University of Traditional Chinese Medicine, Hefei, China
- *Correspondence: Hui Han, ; Limin Wu,
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Ge JW, Deng SJ, Xue ZW, Liu PY, Yu LJ, Li JN, Xia SN, Gu Y, Bao XY, Lan Z, Xu Y, Zhu XL. Imperatorin inhibits mitogen-activated protein kinase and nuclear factor kappa-B signaling pathways and alleviates neuroinflammation in ischemic stroke. CNS Neurosci Ther 2021; 28:116-125. [PMID: 34674376 PMCID: PMC8673701 DOI: 10.1111/cns.13748] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 09/29/2021] [Accepted: 10/12/2021] [Indexed: 01/02/2023] Open
Abstract
AIMS Microglia-mediated neuroinflammation plays an important role in the pathological process of ischemic stroke, and the effect of imperatorin on post-stroke neuroinflammation is not fully understood. METHODS Primary microglia were treated with imperatorin for 2 h followed by LPS (100 ng/ml) for 24 h. The expression of inflammatory cytokines was detected by RT-PCR, ELISA, and Western blot. The activation of MAPK and NF-κB signaling pathways were analyzed by Western blot. The ischemic insult was determined using a transient middle cerebral artery occlusion (tMCAO) model in C57BL/6J mice. Behavior tests were used to assess the neurological deficits of MCAO mice. TTC staining was applied to measure infract volume. RESULTS Imperatorin suppressed LPS-induced activation of microglia and pro-inflammatory cytokines release and attenuated ischemic injury in MCAO mice. The results of transcriptome sequencing and Western blot revealed that downregulation of MAPK and NF-κB pathways might contribute to the protective effects of imperatorin. CONCLUSIONS Imperatorin downregulated MAPK and NF-κB signaling pathways and exerted anti-inflammatory effects in ischemic stroke, which indicated that imperatorin might be a potential compound for the treatment of stroke.
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Affiliation(s)
- Jian-Wei Ge
- Department of Neurology, Drum Tower Hospital, Medical School and The State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University, Nanjing, Jiangsu, PR China.,Institute of Brain Sciences, Nanjing University, Nanjing, Jiangsu, PR China.,Jiangsu Key Laboratory for Molecular Medicine, Medical School of Nanjing University, Nanjing, Jiangsu, PR China.,Jiangsu Province Stroke Center for Diagnosis and Therapy, Nanjing, Jiangsu, PR China.,Nanjing Neuropsychiatry Clinic Medical Center, Nanjing, Jiangsu, PR China
| | - Shi-Ji Deng
- Department of Neurology, Drum Tower Hospital, Medical School and The State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University, Nanjing, Jiangsu, PR China.,Institute of Brain Sciences, Nanjing University, Nanjing, Jiangsu, PR China.,Jiangsu Key Laboratory for Molecular Medicine, Medical School of Nanjing University, Nanjing, Jiangsu, PR China.,Jiangsu Province Stroke Center for Diagnosis and Therapy, Nanjing, Jiangsu, PR China.,Nanjing Neuropsychiatry Clinic Medical Center, Nanjing, Jiangsu, PR China
| | - Zhi-Wei Xue
- Department of Neurology, Drum Tower Hospital, Medical School and The State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University, Nanjing, Jiangsu, PR China.,Institute of Brain Sciences, Nanjing University, Nanjing, Jiangsu, PR China.,Jiangsu Key Laboratory for Molecular Medicine, Medical School of Nanjing University, Nanjing, Jiangsu, PR China.,Jiangsu Province Stroke Center for Diagnosis and Therapy, Nanjing, Jiangsu, PR China.,Nanjing Neuropsychiatry Clinic Medical Center, Nanjing, Jiangsu, PR China
| | - Pin-Yi Liu
- Department of Neurology, Drum Tower Hospital of Nanjing Medical University, Nanjing, Jiangsu, PR China
| | - Lin-Jie Yu
- Department of Neurology, Drum Tower Hospital, Medical School and The State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University, Nanjing, Jiangsu, PR China.,Institute of Brain Sciences, Nanjing University, Nanjing, Jiangsu, PR China.,Jiangsu Key Laboratory for Molecular Medicine, Medical School of Nanjing University, Nanjing, Jiangsu, PR China.,Jiangsu Province Stroke Center for Diagnosis and Therapy, Nanjing, Jiangsu, PR China.,Nanjing Neuropsychiatry Clinic Medical Center, Nanjing, Jiangsu, PR China
| | - Jiang-Nan Li
- Department of Neurology, Drum Tower Hospital of Nanjing Medical University, Nanjing, Jiangsu, PR China
| | - Sheng-Nan Xia
- Department of Neurology, Drum Tower Hospital, Medical School and The State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University, Nanjing, Jiangsu, PR China.,Institute of Brain Sciences, Nanjing University, Nanjing, Jiangsu, PR China.,Jiangsu Key Laboratory for Molecular Medicine, Medical School of Nanjing University, Nanjing, Jiangsu, PR China.,Jiangsu Province Stroke Center for Diagnosis and Therapy, Nanjing, Jiangsu, PR China.,Nanjing Neuropsychiatry Clinic Medical Center, Nanjing, Jiangsu, PR China
| | - Yue Gu
- Department of Neurology, Drum Tower Hospital, Medical School and The State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University, Nanjing, Jiangsu, PR China.,Institute of Brain Sciences, Nanjing University, Nanjing, Jiangsu, PR China.,Jiangsu Key Laboratory for Molecular Medicine, Medical School of Nanjing University, Nanjing, Jiangsu, PR China.,Jiangsu Province Stroke Center for Diagnosis and Therapy, Nanjing, Jiangsu, PR China.,Nanjing Neuropsychiatry Clinic Medical Center, Nanjing, Jiangsu, PR China
| | - Xin-Yu Bao
- Department of Neurology, Drum Tower Hospital, Medical School and The State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University, Nanjing, Jiangsu, PR China.,Institute of Brain Sciences, Nanjing University, Nanjing, Jiangsu, PR China.,Jiangsu Key Laboratory for Molecular Medicine, Medical School of Nanjing University, Nanjing, Jiangsu, PR China.,Jiangsu Province Stroke Center for Diagnosis and Therapy, Nanjing, Jiangsu, PR China.,Nanjing Neuropsychiatry Clinic Medical Center, Nanjing, Jiangsu, PR China
| | - Zhen Lan
- Department of Neurology, Drum Tower Hospital of Nanjing Medical University, Nanjing, Jiangsu, PR China
| | - Yun Xu
- Department of Neurology, Drum Tower Hospital, Medical School and The State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University, Nanjing, Jiangsu, PR China.,Institute of Brain Sciences, Nanjing University, Nanjing, Jiangsu, PR China.,Jiangsu Key Laboratory for Molecular Medicine, Medical School of Nanjing University, Nanjing, Jiangsu, PR China.,Jiangsu Province Stroke Center for Diagnosis and Therapy, Nanjing, Jiangsu, PR China.,Nanjing Neuropsychiatry Clinic Medical Center, Nanjing, Jiangsu, PR China.,Department of Neurology, Drum Tower Hospital of Nanjing Medical University, Nanjing, Jiangsu, PR China
| | - Xiao-Lei Zhu
- Department of Neurology, Drum Tower Hospital, Medical School and The State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University, Nanjing, Jiangsu, PR China.,Institute of Brain Sciences, Nanjing University, Nanjing, Jiangsu, PR China.,Jiangsu Key Laboratory for Molecular Medicine, Medical School of Nanjing University, Nanjing, Jiangsu, PR China.,Jiangsu Province Stroke Center for Diagnosis and Therapy, Nanjing, Jiangsu, PR China.,Nanjing Neuropsychiatry Clinic Medical Center, Nanjing, Jiangsu, PR China.,Department of Neurology, Drum Tower Hospital of Nanjing Medical University, Nanjing, Jiangsu, PR China
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