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Zhou Q, Li X, Zhou H, Zhao J, Zhao H, Li L, Zhou Y. Mitochondrial respiratory chain component NDUFA4: a promising therapeutic target for gastrointestinal cancer. Cancer Cell Int 2024; 24:97. [PMID: 38443961 PMCID: PMC10916090 DOI: 10.1186/s12935-024-03283-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 02/24/2024] [Indexed: 03/07/2024] Open
Abstract
Gastrointestinal cancer, one of the most common cancers, continues to be a major cause of mortality and morbidity globally. Accumulating evidence has shown that alterations in mitochondrial energy metabolism are involved in developing various clinical diseases. NADH dehydrogenase 1 alpha subcomplex 4 (NDUFA4), encoded by the NDUFA4 gene located on human chromosome 7p21.3, is a component of mitochondrial respiratory chain complex IV and integral to mitochondrial energy metabolism. Recent researchers have disclosed that NDUFA4 is implicated in the pathogenesis of various diseases, including gastrointestinal cancer. Aberrant expression of NDUFA4 leads to the alteration in mitochondrial energy metabolism, thereby regulating the growth and metastasis of cancer cells, indicating that it might be a new promising target for cancer intervention. This article comprehensively reviews the structure, regulatory mechanism, and biological function of NDUFA4. Of note, the expression and roles of NDUFA4 in gastrointestinal cancer including colorectal cancer, liver cancer, gastric cancer, and so on were discussed. Finally, the existing problems of NDUFA4-based intervention on gastrointestinal cancer are discussed to provide help to strengthen the understanding of the carcinogenesis of gastrointestinal cancer, as well as the development of new strategies for clinical intervention.
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Affiliation(s)
- Quanling Zhou
- Department of Pathophysiology, Zunyi Medical University, Zunyi, 563000, Guizhou, China
- Department of Physics, Zunyi Medical University, Zunyi, 563000, Guizhou, China
| | - Xiaohui Li
- Department of Physics, Zunyi Medical University, Zunyi, 563000, Guizhou, China
| | - Honglian Zhou
- Department of Physics, Zunyi Medical University, Zunyi, 563000, Guizhou, China
| | - Juanjuan Zhao
- Key Laboratory of Gene Detection and Therapy of Guizhou Province, Zunyi, 563000, Guizhou, China
| | - Hailong Zhao
- Department of Pathophysiology, Zunyi Medical University, Zunyi, 563000, Guizhou, China
| | - Lijuan Li
- Department of Pathophysiology, Zunyi Medical University, Zunyi, 563000, Guizhou, China
| | - Ya Zhou
- Department of Pathophysiology, Zunyi Medical University, Zunyi, 563000, Guizhou, China.
- Department of Physics, Zunyi Medical University, Zunyi, 563000, Guizhou, China.
- Key Laboratory of Gene Detection and Therapy of Guizhou Province, Zunyi, 563000, Guizhou, China.
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2
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Wang H, Cheng W, Hu P, Ling T, Hu C, Chen Y, Zheng Y, Wang J, Zhao T, You Q. Integrative analysis identifies oxidative stress biomarkers in non-alcoholic fatty liver disease via machine learning and weighted gene co-expression network analysis. Front Immunol 2024; 15:1335112. [PMID: 38476236 PMCID: PMC10927810 DOI: 10.3389/fimmu.2024.1335112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Accepted: 02/08/2024] [Indexed: 03/14/2024] Open
Abstract
Background Non-alcoholic fatty liver disease (NAFLD) is the most common chronic liver disease globally, with the potential to progress to non-alcoholic steatohepatitis (NASH), cirrhosis, and even hepatocellular carcinoma. Given the absence of effective treatments to halt its progression, novel molecular approaches to the NAFLD diagnosis and treatment are of paramount importance. Methods Firstly, we downloaded oxidative stress-related genes from the GeneCards database and retrieved NAFLD-related datasets from the GEO database. Using the Limma R package and WGCNA, we identified differentially expressed genes closely associated with NAFLD. In our study, we identified 31 intersection genes by analyzing the intersection among oxidative stress-related genes, NAFLD-related genes, and genes closely associated with NAFLD as identified through Weighted Gene Co-expression Network Analysis (WGCNA). In a study of 31 intersection genes between NAFLD and Oxidative Stress (OS), we identified three hub genes using three machine learning algorithms: Least Absolute Shrinkage and Selection Operator (LASSO) regression, Support Vector Machine - Recursive Feature Elimination (SVM-RFE), and RandomForest. Subsequently, a nomogram was utilized to predict the incidence of NAFLD. The CIBERSORT algorithm was employed for immune infiltration analysis, single sample Gene Set Enrichment Analysis (ssGSEA) for functional enrichment analysis, and Protein-Protein Interaction (PPI) networks to explore the relationships between the three hub genes and other intersecting genes of NAFLD and OS. The distribution of these three hub genes across six cell clusters was determined using single-cell RNA sequencing. Finally, utilizing relevant data from the Attie Lab Diabetes Database, and liver tissues from NASH mouse model, Western Blot (WB) and Reverse Transcription Quantitative Polymerase Chain Reaction (RT-qPCR) assays were conducted, this further validated the significant roles of CDKN1B and TFAM in NAFLD. Results In the course of this research, we identified 31 genes with a strong association with oxidative stress in NAFLD. Subsequent machine learning analysis and external validation pinpointed two genes: CDKN1B and TFAM, as demonstrating the closest correlation to oxidative stress in NAFLD. Conclusion This investigation found two hub genes that hold potential as novel targets for the diagnosis and treatment of NAFLD, thereby offering innovative perspectives for its clinical management.
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Affiliation(s)
- Haining Wang
- Medical Center for Digestive Diseases, Department of Geriatrics, the Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Wei Cheng
- Medical Center for Digestive Diseases, Department of Geriatrics, the Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Ping Hu
- Department of Orthopedics, Tianjin Medical University General Hospital, Tianjin, China
| | - Tao Ling
- Medical Center for Digestive Diseases, Department of Geriatrics, the Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Chao Hu
- Medical Center for Digestive Diseases, Department of Geriatrics, the Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Yongzhen Chen
- Medical Center for Digestive Diseases, Department of Geriatrics, the Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Yanan Zheng
- Medical Center for Digestive Diseases, Department of Geriatrics, the Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Junqi Wang
- Department of Medical Oncology, Shenzhen Traditional Chinese Medicine Hospital, Shenzhen, China
| | - Ting Zhao
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Qiang You
- Medical Center for Digestive Diseases, Department of Geriatrics, the Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
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3
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Kubala JM, Laursen KB, Schreiner R, Williams RM, van der Mijn JC, Crowley MJ, Mongan NP, Nanus DM, Heller DA, Gudas LJ. NDUFA4L2 reduces mitochondrial respiration resulting in defective lysosomal trafficking in clear cell renal cell carcinoma. Cancer Biol Ther 2023; 24:2170669. [PMID: 36722045 PMCID: PMC9897797 DOI: 10.1080/15384047.2023.2170669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
In clear cell renal cell carcinoma (ccRCC), activation of hypoxic signaling induces NADH dehydrogenase (ubiquinone) 1 alpha subcomplex, 4-like 2 (NDUFA4L2) expression. Over 90% of ccRCCs exhibit overexpression of NDUFA4L2, which we previously showed contributes to ccRCC proliferation and survival. The function of NDUFA4L2 in ccRCC has not been fully elucidated. NDUFA4L2 was reported to reduce mitochondrial respiration via mitochondrial complex I inhibition. We found that NDUFA4L2 expression in human ccRCC cells increases the extracellular acidification rate, indicative of elevated glycolysis. Conversely, NDUFA4L2 expression in non-cancerous kidney epithelial cells decreases oxygen consumption rate while increasing extracellular acidification rate, suggesting that a Warburg-like effect is induced by NDUFA4L2 alone. We performed mass-spectrometry (MS)-based proteomics of NDUFA4L2 associated complexes. Comparing RCC4-P (parental) ccRCC cells with RCC4 in which NDUFA4L2 is knocked out by CRISPR-Cas9 (RCC4-KO-643), we identified 3,215 proteins enriched in the NDUFA4L2 immunoprecipitates. Among the top-ranking pathways were "Metabolic Reprogramming in Cancer" and "Glycolysis Activation in Cancer (Warburg Effect)." We also show that NDUFA4L2 enhances mitochondrial fragmentation, interacts with lysosomes, and increases mitochondrial-lysosomal associations, as assessed by high-resolution fluorescence microscopy and live cell imaging. We identified 161 lysosomal proteins, including Niemann-Pick Disease Type C Intracellular Cholesterol Transporters 1 and 2 (NPC1, NPC2), that are associated with NDUFA4L2 in RCC4-P cells. RCC4-P cells have larger and decreased numbers of lysosomes relative to RCC4 NDUFA4L2 knockout cells. These findings suggest that NDUFA4L2 regulates mitochondrial-lysosomal associations and potentially lysosomal size and abundance. Consequently, NDUFA4L2 may regulate not only mitochondrial, but also lysosomal functions in ccRCC.
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Affiliation(s)
- Jaclyn M. Kubala
- Department of Pharmacology, Weill Cornell Medicine, New York, NY, USA,Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA,Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA,CONTACT Lorraine J. Gudas Department of Pharmacology, Weill Cornell Medicine, New York, NY10065
| | | | - Ryan Schreiner
- Division of Regenerative Medicine Research, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Ryan M. Williams
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA,Department of Biomedical Engineering, the City College of New York, New York, NY, USA
| | | | - Michael J. Crowley
- Department of Physiology, Biophysics, and Systems Biology, Weill Cornell Medicine, New York, NY, USA
| | - Nigel P. Mongan
- Department of Pharmacology, Weill Cornell Medicine, New York, NY, USA,Faculty of Medicine and Health Sciences, Center for Cancer Sciences, University of Nottingham, Sutton Bonington Campus, Loughborough, UK
| | - David M. Nanus
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA,Division of Hematology and Medical Oncology, Department of Medicine, Weill Cornell Medicine, New York, NY, USA,Department of Urology; New York Presbyterian Hospital, Weill Cornell Medicine, New York, NY, USA
| | - Daniel A. Heller
- Department of Pharmacology, Weill Cornell Medicine, New York, NY, USA,Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA,Department of Physiology, Biophysics, and Systems Biology, Weill Cornell Medicine, New York, NY, USA
| | - Lorraine J. Gudas
- Department of Pharmacology, Weill Cornell Medicine, New York, NY, USA,Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA,Department of Urology; New York Presbyterian Hospital, Weill Cornell Medicine, New York, NY, USA
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4
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Wang Z, Tao E, Chen Y, Wang Q, Liu M, Wei L, Xu S, Chen W, Zhong C. NDUFA4 promotes the progression of head and neck paraganglioma by inhibiting ferroptosis. Biochem Cell Biol 2023; 101:523-530. [PMID: 37602474 DOI: 10.1139/bcb-2023-0018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/22/2023] Open
Abstract
NDUFA4 is a component of respiratory chain-oxidative phosphorylation pathway. NDUFA4 is highly expressed in tumor tissues, but little is known about the function of NDUFA4 in head and neck paraganglioma (HNPGL). We examined NDUFA4 expression in tissues from 10 HNPGL patients and 6 controls using qRT-PCR and Western blotting. NDUFA4 knockdown PGL-626 cells were established by using lentivirus infection and puromycin screening. Cell viability, ATP production, lipid reactive oxygen species, and mitochondrial membrane potential assays were performed to investigate the ferroptotic effects in NDUFA4 deficiency HNPGL cancer cells. Xenograft mouse model was created to detect the synergetic antitumor action between NDUFA4 deficiency and Metformin. NDUFA4 was upregulated in tumor tissues of HNPGL patients. NDUFA4 knockdown impaired the assembly of mitochondrial respiratory chain complexes and decreased the production of ATP and reduced cancer cell viability. Mechanistically, NDUFA4 knockdown increased cell ferroptosis, which further promoted Metformin-induced ferroptosis in PGL-626 cells. Therefore, NDUFA4 deficiency enhanced Metformin-mediated inhibition of the HNPGL progression in mice. In conclusion, NDUFA4 promotes the progression of HNPGL, and NDUFA4 knockdown enhances Metformin-mediated inhibition of the HNPGL progression in a mouse model.
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Affiliation(s)
- Zhigang Wang
- Department of Neurosurgery, Shanghai East Hospital, Medical School, Tongji University, Shanghai 200120, China
| | - Erxing Tao
- Department of Neurosurgery, The First Affiliated Hospital of Nanchang University, Nanchang 330008, Jiangxi, China
| | - Yiming Chen
- Department of Neurosurgery, Shanghai East Hospital, Medical School, Tongji University, Shanghai 200120, China
| | - Qi Wang
- Department of Neurosurgery, Shanghai East Hospital, Medical School, Tongji University, Shanghai 200120, China
| | - Min Liu
- Department of Neurosurgery, Shanghai East Hospital, Medical School, Tongji University, Shanghai 200120, China
| | - Liang Wei
- Department of Neurosurgery, Shanghai East Hospital, Medical School, Tongji University, Shanghai 200120, China
| | - Siyi Xu
- Department of Neurosurgery, Shanghai East Hospital, Medical School, Tongji University, Shanghai 200120, China
| | - Wei Chen
- Department of Neurosurgery, Shanghai East Hospital, Medical School, Tongji University, Shanghai 200120, China
- Department of Neurosurgery, The First Affiliated Hospital of Nanchang University, Nanchang 330008, Jiangxi, China
| | - Chunlong Zhong
- Department of Neurosurgery, Shanghai East Hospital, Medical School, Tongji University, Shanghai 200120, China
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Han Y, Tan L, Zhou T, Yang L, Carrau L, Lacko LA, Saeed M, Zhu J, Zhao Z, Nilsson-Payant BE, Lira Neto FT, Cahir C, Giani AM, Chai JC, Li Y, Dong X, Moroziewicz D, Paull D, Zhang T, Koo S, Tan C, Danziger R, Ba Q, Feng L, Chen Z, Zhong A, Wise GJ, Xiang JZ, Wang H, Schwartz RE, tenOever BR, Noggle SA, Rice CM, Qi Q, Evans T, Chen S. A human iPSC-array-based GWAS identifies a virus susceptibility locus in the NDUFA4 gene and functional variants. Cell Stem Cell 2022; 29:1475-1490.e6. [PMID: 36206731 PMCID: PMC9550219 DOI: 10.1016/j.stem.2022.09.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Revised: 06/09/2022] [Accepted: 09/16/2022] [Indexed: 11/16/2022]
Abstract
Population-based studies to identify disease-associated risk alleles typically require samples from a large number of individuals. Here, we report a human-induced pluripotent stem cell (hiPSC)-based screening strategy to link human genetics with viral infectivity. A genome-wide association study (GWAS) identified a cluster of single-nucleotide polymorphisms (SNPs) in a cis-regulatory region of the NDUFA4 gene, which was associated with susceptibility to Zika virus (ZIKV) infection. Loss of NDUFA4 led to decreased sensitivity to ZIKV, dengue virus, and SARS-CoV-2 infection. Isogenic hiPSC lines carrying non-risk alleles of SNPs or deletion of the cis-regulatory region lower sensitivity to viral infection. Mechanistic studies indicated that loss/reduction of NDUFA4 causes mitochondrial stress, which leads to the leakage of mtDNA and thereby upregulation of type I interferon signaling. This study provides proof-of-principle for the application of iPSC arrays in GWAS and identifies NDUFA4 as a previously unknown susceptibility locus for viral infection.
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Affiliation(s)
- Yuling Han
- Department of Surgery, Weill Cornell Medical College, 1300 York Avenue, New York, NY 10065, USA
| | - Lei Tan
- Department of Surgery, Weill Cornell Medical College, 1300 York Avenue, New York, NY 10065, USA,Center for Energy Metabolism and Reproduction, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Ting Zhou
- Department of Surgery, Weill Cornell Medical College, 1300 York Avenue, New York, NY 10065, USA,Stem Cell Research Facility, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065, USA
| | - Liuliu Yang
- Department of Surgery, Weill Cornell Medical College, 1300 York Avenue, New York, NY 10065, USA
| | - Lucia Carrau
- Department of Microbiology, New York University, 430 E 29th Street, New York, NY 10016, USA
| | - Lauretta A. Lacko
- Department of Surgery, Weill Cornell Medical College, 1300 York Avenue, New York, NY 10065, USA
| | - Mohsan Saeed
- Laboratory of Virology and Infectious Disease, The Rockefeller University, New York, NY 10065, USA,Department of Biochemistry, Boston University School of Medicine, Boston, MA 02118, USA,National Emerging Infectious Diseases Laboratories (NEIDL), Boston University, Boston, MA 02118, USA
| | - Jiajun Zhu
- Department of Surgery, Weill Cornell Medical College, 1300 York Avenue, New York, NY 10065, USA
| | - Zeping Zhao
- Department of Surgery, Weill Cornell Medical College, 1300 York Avenue, New York, NY 10065, USA
| | | | | | - Clare Cahir
- Department of Surgery, Weill Cornell Medical College, 1300 York Avenue, New York, NY 10065, USA,The Tri-Institutional PhD Program in Chemical Biology, New York, NY, USA
| | - Alice Maria Giani
- Department of Surgery, Weill Cornell Medical College, 1300 York Avenue, New York, NY 10065, USA
| | - Jin Chou Chai
- Department of Epidemiology & Population Health, Albert Einstein College of Medicine, 1300 Morris Park Avenue, Bronx, NY 10461, USA
| | - Yang Li
- Department of Epidemiology & Population Health, Albert Einstein College of Medicine, 1300 Morris Park Avenue, Bronx, NY 10461, USA
| | - Xue Dong
- Department of Surgery, Weill Cornell Medical College, 1300 York Avenue, New York, NY 10065, USA
| | - Dorota Moroziewicz
- The New York Stem Cell Foundation Research Institute, 619 West 54th Street, 3rd Floor, New York, NY 10019, USA
| | | | - Daniel Paull
- The New York Stem Cell Foundation Research Institute, 619 West 54th Street, 3rd Floor, New York, NY 10019, USA
| | - Tuo Zhang
- Genomic Resource Core Facility, Weill Cornell Medical College, New York, NY 10065, USA
| | - Soyeon Koo
- Department of Surgery, Weill Cornell Medical College, 1300 York Avenue, New York, NY 10065, USA,Weill Cornell Neuroscience PhD Program, New York, NY, USA
| | - Christina Tan
- Department of Surgery, Weill Cornell Medical College, 1300 York Avenue, New York, NY 10065, USA
| | - Ron Danziger
- Department of Surgery, Weill Cornell Medical College, 1300 York Avenue, New York, NY 10065, USA
| | - Qian Ba
- Department of Surgery, Weill Cornell Medical College, 1300 York Avenue, New York, NY 10065, USA,School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lingling Feng
- Department of Surgery, Weill Cornell Medical College, 1300 York Avenue, New York, NY 10065, USA,Key Laboratory of Pesticide and Chemical Biology (CCNU), Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, Hubei 430079, China
| | - Zhengming Chen
- Department of Population Health Sciences, Weill Cornell Medicine, 1300 York Avenue, New York, NY 10065, USA
| | - Aaron Zhong
- Stem Cell Research Facility, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065, USA
| | - Gilbert J. Wise
- Department of Urology, Weill Cornell Medicine, 1300 York Avenue, New York, NY 10065, USA
| | - Jenny Z. Xiang
- Genomic Resource Core Facility, Weill Cornell Medical College, New York, NY 10065, USA
| | - Hui Wang
- School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Robert E. Schwartz
- Division of Gastroenterology and Hepatology, Department of Medicine, Weill Cornell Medicine, 1300 York Avenue, New York, NY 10065, USA,Department of Physiology, Biophysics, and Systems Biology, Weill Cornell Medicine, 1300 York Avenue, New York, NY 10065, USA
| | - Benjamin R. tenOever
- Department of Microbiology, New York University, 430 E 29th Street, New York, NY 10016, USA
| | - Scott A. Noggle
- The New York Stem Cell Foundation Research Institute, 619 West 54th Street, 3rd Floor, New York, NY 10019, USA
| | - Charles M. Rice
- Laboratory of Virology and Infectious Disease, The Rockefeller University, New York, NY 10065, USA
| | - Qibin Qi
- Department of Epidemiology & Population Health, Albert Einstein College of Medicine, 1300 Morris Park Avenue, Bronx, NY 10461, USA
| | - Todd Evans
- Department of Surgery, Weill Cornell Medical College, 1300 York Avenue, New York, NY 10065, USA
| | - Shuibing Chen
- Department of Surgery, Weill Cornell Medical College, 1300 York Avenue, New York, NY 10065, USA,Corresponding author
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6
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Abstract
Mitochondria are dynamic organelles vital for energy production with now appreciated roles in immune defense. During microbial infection, mitochondria serve as signaling hubs to induce immune responses to counteract invading pathogens like viruses. Mitochondrial functions are central to a variety of antiviral responses including apoptosis and type I interferon signaling (IFN-I). While apoptosis and IFN-I mediated by mitochondrial antiviral signaling (MAVS) are well-established defenses, new dimensions of mitochondrial biology are emerging as battlefronts during viral infection. Increasingly, it has become apparent that mitochondria serve as reservoirs for distinct cues that trigger immune responses and that alterations in mitochondrial morphology may also tip infection outcomes. Furthermore, new data are foreshadowing pivotal roles for classic, homeostatic facets of this organelle as host-virus interfaces, namely, the tricarboxylic acid (TCA) cycle and electron transport chain (ETC) complexes like respiratory supercomplexes. Underscoring the importance of "housekeeping" mitochondrial activities in viral infection is the growing list of viral-encoded inhibitors including mimics derived from cellular genes that antagonize these functions. For example, virologs for ETC factors and several enzymes from the TCA cycle have been recently identified in DNA virus genomes and serve to pinpoint new vulnerabilities during infection. Here, we highlight recent advances for known antiviral functions associated with mitochondria as well as where the next battlegrounds may be based on viral effectors. Collectively, new methodology and mechanistic insights over the coming years will strengthen our understanding of how an ancient molecular truce continues to defend cells against viruses.
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Affiliation(s)
- Mahsa Sorouri
- Department of Immunology, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Tyron Chang
- Department of Immunology, University of Texas Southwestern Medical Center, Dallas, Texas, USA
- Genetics, Disease, and Development Graduate Program, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Dustin C Hancks
- Department of Immunology, University of Texas Southwestern Medical Center, Dallas, Texas, USA
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7
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Schober FA, Atanassov I, Moore D, Calvo-Garrido J, Moedas MF, Wedell A, Freyer C, Wredenberg A. Stable Isotope Labeling of Amino Acids in Flies (SILAF) Reveals Differential Phosphorylation of Mitochondrial Proteins Upon Loss of OXPHOS Subunits. Mol Cell Proteomics 2021; 20:100065. [PMID: 33640490 PMCID: PMC8050774 DOI: 10.1016/j.mcpro.2021.100065] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 02/01/2021] [Accepted: 02/08/2021] [Indexed: 02/01/2023] Open
Abstract
Drosophila melanogaster has been a workhorse of genetics and cell biology for more than a century. However, proteomic-based methods have been limited due to the complexity and dynamic range of the fly proteome and the lack of efficient labeling methods. Here, we advanced a chemically defined food source into direct stable-isotope labeling of amino acids in flies (SILAF). It allows for the rapid and cost-efficient generation of a large number of larvae or flies, with full incorporation of lysine-[13C6] after six labeling days. SILAF followed by fractionation and enrichment gave proteomic insights at a depth of 7196 proteins and 8451 phosphorylation sites, which substantiated metabolic regulation on enzymatic level. We applied SILAF to quantify the mitochondrial phosphoproteome of an early-stage leucine-rich PPR motif-containing protein (LRPPRC)-knockdown fly model of mitochondrial disease that almost exclusively affects protein levels of the oxidative phosphorylation (OXPHOS) system. While the mitochondrial compartment was hypo-phosphorylated, two conserved phosphosites on OXPHOS subunits NDUFB10 and NDUFA4 were significantly upregulated upon impaired OXPHOS function. The ease and versatility of the method actuate the fruit fly as an appealing model in proteomic and posttranslational modification studies, and it enlarges potential metabolic applications based on heavy amino acid diets.
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Affiliation(s)
- Florian A. Schober
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden,Max Planck Institute Biology of Ageing - Karolinska Institutet Laboratory, Division of Metabolic Diseases, Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Ilian Atanassov
- Proteomics Core Facility, Max Planck Institute for Biology of Ageing, Cologne, Germany,For correspondence: Ilian Atanassov; Christoph Freyer; Anna Wredenberg
| | - David Moore
- Max Planck Institute Biology of Ageing - Karolinska Institutet Laboratory, Division of Metabolic Diseases, Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden,Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden
| | - Javier Calvo-Garrido
- Max Planck Institute Biology of Ageing - Karolinska Institutet Laboratory, Division of Metabolic Diseases, Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden,Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden
| | - Marco F. Moedas
- Max Planck Institute Biology of Ageing - Karolinska Institutet Laboratory, Division of Metabolic Diseases, Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden,Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden
| | - Anna Wedell
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden,Max Planck Institute Biology of Ageing - Karolinska Institutet Laboratory, Division of Metabolic Diseases, Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden,Centre for Inherited Metabolic Diseases, Karolinska University Hospital, Stockholm, Sweden
| | - Christoph Freyer
- Max Planck Institute Biology of Ageing - Karolinska Institutet Laboratory, Division of Metabolic Diseases, Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden,Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden,Centre for Inherited Metabolic Diseases, Karolinska University Hospital, Stockholm, Sweden,For correspondence: Ilian Atanassov; Christoph Freyer; Anna Wredenberg
| | - Anna Wredenberg
- Max Planck Institute Biology of Ageing - Karolinska Institutet Laboratory, Division of Metabolic Diseases, Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden,Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden,Centre for Inherited Metabolic Diseases, Karolinska University Hospital, Stockholm, Sweden,For correspondence: Ilian Atanassov; Christoph Freyer; Anna Wredenberg
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8
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Abstract
The generation of cellular energy in the form of ATP occurs mainly in mitochondria by oxidative phosphorylation. Cytochrome c oxidase (CytOx), the oxygen accepting and rate-limiting step of the respiratory chain, regulates the supply of variable ATP demands in cells by “allosteric ATP-inhibition of CytOx.” This mechanism is based on inhibition of oxygen uptake of CytOx at high ATP/ADP ratios and low ferrocytochrome c concentrations in the mitochondrial matrix via cooperative interaction of the two substrate binding sites in dimeric CytOx. The mechanism keeps mitochondrial membrane potential ΔΨm and reactive oxygen species (ROS) formation at low healthy values. Stress signals increase cytosolic calcium leading to Ca2+-dependent dephosphorylation of CytOx subunit I at the cytosolic side accompanied by switching off the allosteric ATP-inhibition and monomerization of CytOx. This is followed by increase of ΔΨm and formation of ROS. A hypothesis is presented suggesting a dynamic change of binding of NDUFA4, originally identified as a subunit of complex I, between monomeric CytOx (active state with high ΔΨm, high ROS and low efficiency) and complex I (resting state with low ΔΨm, low ROS and high efficiency).
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Affiliation(s)
- Bernhard Kadenbach
- Department of Chemistry/Biochemistry, Fachbereich Chemie, Philipps-Universität Marburg, Marburg D-35043, Hessen, Germany
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Nakada C, Hijiya N, Tsukamoto Y, Yano S, Kai T, Uchida T, Kimoto M, Takahashi M, Daa T, Matsuura K, Shin T, Mimata H, Moriyama M. A transgenic mouse expressing miR-210 in proximal tubule cells shows mitochondrial alteration: possible association of miR-210 with a shift in energy metabolism. J Pathol 2020; 251:12-25. [PMID: 32073141 DOI: 10.1002/path.5394] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Revised: 12/21/2019] [Accepted: 02/10/2020] [Indexed: 12/12/2022]
Abstract
Previously we reported that the microRNA miR-210 is aberrantly upregulated in clear cell renal cell carcinoma (ccRCC) via deregulation of the VHL-HIF pathway. In the present study, to investigate the biological impact of miR-210 in ccRCC tumorigenesis, we developed a transgenic mouse line expressing miR-210 in proximal tubule cells under control of the mouse SGLT2/Slc5a2 promoter. Light microscopy revealed desquamation of the tubule cells and regeneration of the proximal tubule, suggesting that miR-210 expression led to damage of the proximal tubule cells. Electron microscopy revealed alterations to the mitochondria in proximal tubule cells, with marked reduction of the mitochondrial inner membrane, which is the main site of ATP production via oxidative phosphorylation (OxPhos). An additional in vitro study revealed that this loss of the inner membrane was associated with downregulation of Iscu and Ndufa4, the target genes of miR-210, suggesting that the miR-210-ISCU/NDUFA4 axis may affect mitochondrial energy metabolism. Furthermore, metabolome analysis revealed activation of anaerobic glycolysis in miR-210-transfected cells, and consistent with this the secretion of lactate, the final metabolite of anaerobic glycolysis, was significantly increased. Lactate concentration was higher in the kidney cortex of transgenic mice relative to wild-type mice, although the difference was not significant (p = 0.070). On the basis of these findings, we propose that miR-210 may induce a shift of energy metabolism from OxPhos to glycolysis by acting on the mitochondrial inner membrane. In addition to activation of glycolysis, we observed activation of the pentose phosphate pathway (PPP) and an increase in the total amount of amino acids in miR-210-transfected cells. This may help cells synthesize nucleotides and proteins for building new cells. These results suggest that miR-210 may be involved in the metabolic changes in the early stage of ccRCC development, helping the cancer cells to acquire growth and survival advantages. © 2020 Pathological Society of Great Britain and Ireland. Published by John Wiley & Sons, Ltd.
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Affiliation(s)
- Chisato Nakada
- Department of Molecular Pathology, Faculty of Medicine, Oita University, Yufu City, Japan.,Department of Urology, Faculty of Medicine, Oita University, Yufu City, Japan
| | - Naoki Hijiya
- Department of Molecular Pathology, Faculty of Medicine, Oita University, Yufu City, Japan
| | - Yoshiyuki Tsukamoto
- Department of Molecular Pathology, Faculty of Medicine, Oita University, Yufu City, Japan
| | - Shinji Yano
- Department of Diagnostic Pathology, Faculty of Medicine, Oita University, Yufu City, Japan
| | - Tomoki Kai
- Department of Urology, Faculty of Medicine, Oita University, Yufu City, Japan
| | - Tomohisa Uchida
- Department of Molecular Pathology, Faculty of Medicine, Oita University, Yufu City, Japan
| | - Mami Kimoto
- Department of Molecular Pathology, Faculty of Medicine, Oita University, Yufu City, Japan
| | - Mika Takahashi
- Department of Urology, Faculty of Medicine, Oita University, Yufu City, Japan
| | - Tsutomu Daa
- Department of Diagnostic Pathology, Faculty of Medicine, Oita University, Yufu City, Japan
| | - Keiko Matsuura
- Department of Biomedicine, Faculty of Medicine, Oita University, Yufu City, Japan
| | - Toshitaka Shin
- Department of Urology, Faculty of Medicine, Oita University, Yufu City, Japan
| | - Hiromitsu Mimata
- Department of Urology, Faculty of Medicine, Oita University, Yufu City, Japan
| | - Masatsugu Moriyama
- Department of Molecular Pathology, Faculty of Medicine, Oita University, Yufu City, Japan
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10
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Anton L, DeVine A, Polyak E, Olarerin-George A, Brown AG, Falk MJ, Elovitz MA. HIF-1α Stabilization Increases miR-210 Eliciting First Trimester Extravillous Trophoblast Mitochondrial Dysfunction. Front Physiol 2019; 10:699. [PMID: 31263422 PMCID: PMC6590495 DOI: 10.3389/fphys.2019.00699] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Accepted: 05/20/2019] [Indexed: 11/27/2022] Open
Abstract
Preeclampsia is associated with first trimester placental dysfunction. miR-210, a small non-coding RNA, is increased in the preeclamptic placenta. The effects of elevated miR-210 on placental function remain unclear. The objectives of this study were to identify targets of miR-210 in first trimester primary extravillous trophoblasts (EVTs) and to investigate functional pathways altered by elevated placental miR-210 during early pregnancy. EVTs isolated from first trimester placentas were exposed to cobalt chloride (CoCl2), a HIF-1α stabilizer and hypoxia mimetic, and miR-210 expression by qPCR, HIF1α protein levels by western blot and cell invasion were assessed. A custom TruSeq RNA array, including all known/predicted miR-210 targets, was run using miR-210 and miR-negative control transfected EVTs. Mitochondrial function was assessed by high resolution respirometry in transfected EVTs. EVTs exposed to CoCl2 showed a dose and time-dependent increase in miR-210 and HIF1α and reductions in cell invasion. The TruSeq array identified 49 altered genes in miR-210 transfected EVTs with 27 genes repressed and 22 enhanced. Three of the top six significantly repressed genes, NDUFA4, SDHD, and ISCU, are associated with mitochondrial function. miR-210 transfected EVTs had decreased maximal, complex II and complex I+II mitochondrial respiration. This study suggests that miR-210 alters first trimester trophoblast function. miR-210 overexpression alters EVT mitochondrial function in early pregnancy. Mitochondrial dysfunction may lead to increased reactive oxygen species, trophoblast cell damage and likely contributes to the pathogenesis of preeclampsia.
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Affiliation(s)
- Lauren Anton
- Maternal and Child Health Research Center, Department of Obstetrics and Gynecology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States
| | - Ann DeVine
- Maternal and Child Health Research Center, Department of Obstetrics and Gynecology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States
| | - Erzsebet Polyak
- Division of Human Genetics, Department of Pediatrics, The Children's Hospital of Philadelphia, Philadelphia, PA, United States
| | - Anthony Olarerin-George
- Department of Pharmacology, Institute for Translational Medicine and Therapeutics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States
| | - Amy G Brown
- Maternal and Child Health Research Center, Department of Obstetrics and Gynecology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States
| | - Marni J Falk
- Division of Human Genetics, Department of Pediatrics, The Children's Hospital of Philadelphia, Philadelphia, PA, United States
| | - Michal A Elovitz
- Maternal and Child Health Research Center, Department of Obstetrics and Gynecology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States
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Li L, Li Y, Huang Y, Ouyang Y, Zhu Y, Wang Y, Guo X, Yuan Y, Gong K. Long non-coding RNA MIF-AS1 promotes gastric cancer cell proliferation and reduces apoptosis to upregulate NDUFA4. Cancer Sci 2018; 109:3714-3725. [PMID: 30238562 PMCID: PMC6272088 DOI: 10.1111/cas.13801] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2018] [Revised: 09/02/2018] [Accepted: 09/16/2018] [Indexed: 12/11/2022] Open
Abstract
Long non‐coding RNA MIF‐AS1 (lncMIF‐AS1) has been found to be upregulated in the tumor tissues of gastric cancer; however, its importance for the progression of gastric cancer remains unknown. Thus, the present study was designed to determine the role of the lncMIF‐AS1‐based signal transduction pathway in mediating the proliferation and apoptosis of gastric cancer cells. Differentially expressed lncRNAs and mRNAs were screened out using microarray analysis, based on the published data (GSE63288), and validated using quantitative RT‐PCR. Target relationships between lncRNA‐micro RNA (miRNA) and miRNA‐mRNA were predicted by bioinformatics analysis and verified by dual‐luciferase reporter assay. Protein expression of NDUFA4, COX6C and COX5B was detected by western blot. Cell proliferation, cell cycle and apoptosis were determined using colony formation assay and flow cytometry analysis. Oxidative phosphorylation in gastric cancer cells was assessed by levels of oxygen consumption and ATP synthase activity. Expression of lncMIF‐AS1 and NDUFA4 were upregulated in gastric cancer tissues and cells as compared with non‐cancerous gastric tissues and cells (P < .05). MiR‐212‐5p was identified as the most important miRNA linker between lncMIF‐AS1 and NDUFA4, which was negatively regulated by lncMIF‐AS1 and its depletion is the main cause of NDUFA4 overexpression (P < .01). The upregulated expression of NDUFA4 then greatly promoted the proliferation and decreased the apoptosis of gastric cancer cells through activation of the oxidative phosphorylation pathway. Taken together, the present study implies that inhibition of lncMIF‐AS1/miR‐212‐5p/NDUFA4 signal transduction may provide a promising therapeutic target for the treatment of gastric cancer.
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Affiliation(s)
- Linhai Li
- Department of General Surgery, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Yuejin Li
- Department of General Surgery, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Yingguang Huang
- Department of General Surgery, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Yiming Ouyang
- Department of General Surgery, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Yu Zhu
- Department of General Surgery, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Yongzhi Wang
- Department of General Surgery, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Xiaodong Guo
- Department of General Surgery, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Ying Yuan
- Department of Emergency Internal Medicine, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Kunmei Gong
- Department of General Surgery, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
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Cui S, Yang X, Zhang L, Zhao Y, Yan W. LncRNA MAFG-AS1 promotes the progression of colorectal cancer by sponging miR-147b and activation of NDUFA4. Biochem Biophys Res Commun 2018; 506:251-8. [PMID: 30348529 DOI: 10.1016/j.bbrc.2018.10.112] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Accepted: 10/17/2018] [Indexed: 02/08/2023]
Abstract
Researchers have shown that long noncoding RNAs (lncRNAs) are closely associated with the pathogenesis of colorectal cancer (CRC). In here, we aimed to explore the function of lncRNA MAFG-AS1 in tumorigenesis of CRC. Firstly, we found that the expression of MAFG-AS1 was upregulated in CRC tissues and positively correlated with the advanced tumor stage. A reciprocal repression was found between MAFG-AS1 and miR-147b. The expression of miR-147b was downregulated in CRC tissues and inversely correlated with MAFG-AS1. Both the low-expression of miR-147b expression and the advanced tumor stage were independent factor for poor survival probability. Furthermore, overexpression of MAFG-AS1 promoted cell proliferation, cell cycle progression, and invasion, and inhibited apoptosis, while transduction of miR-147b partially reversed the effect of MAFG-AS1 on cellular processes. Consistently, stable over-expression of MAFG-AS1 contributed to the growth of colon cancer cell xenografts in vivo. NDUFA4 was identified as a direct target of miR-147b and knockdown of NDUFA4 abolished the oncogenic role of miR-147b inhibitor. Besides, MAFG-AS1 contributed to cell glycolysis by sponging miR-147b and activation of NDUFA4, causing an upregulation of PDK1, PFK1 and PKM2. Taken together, our study suggested that MAFG-AS1 functions as a novel oncogenic lncRNA in the development of CRC by regulating miR-147b/NDUFA4.
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Abstract
Groundbreaking work by Kadenbach and colleagues in the 1980s revealed the presence of 13 subunits in the mammalian mitochondrial cytochrome-c oxidase (COX; Complex IV). This observation stood the test of time until 2012 when it was demonstrated that NDUFA4, a polypeptide previously attributed to mitochondrial Complex I, was a 14th subunit of COX. In his recent opinion article, Kadenbach argued that NDUFA4 is not a subunit of COX. However, based on the findings that NDUFA4 deficiency results in a severe loss of COX activity and that NDUFA4 represents a stoichiometric component of the individual COX complex, we reason that NDUFA4 is a bona fide COX subunit and propose renaming it as COX subunit FA4 (COXFA4).
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Affiliation(s)
- Robert D S Pitceathly
- MRC Centre for Neuromuscular Diseases, UCL Institute of Neurology and National Hospital for Neurology and Neurosurgery, London, UK
| | - Jan-Willem Taanman
- Department of Clinical Neurosciences, UCL Institute of Neurology, London, UK.
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14
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Lei L, Chen C, Zhao J, Wang H, Guo M, Zhou Y, Luo J, Zhang J, Xu L. Targeted Expression of miR-7 Operated by TTF-1 Promoter Inhibited the Growth of Human Lung Cancer through the NDUFA4 Pathway. Mol Ther Nucleic Acids 2016; 6:183-197. [PMID: 28325285 PMCID: PMC5363496 DOI: 10.1016/j.omtn.2016.12.005] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/14/2016] [Revised: 12/04/2016] [Accepted: 12/05/2016] [Indexed: 01/05/2023]
Abstract
Targeted expression of gene technique is an important therapeutic strategy for lung cancer. MicroRNA-7 has been well documented as a promising tumor suppressor but never been test in specific gene-promoter-targeted expression in cancer gene therapy. Here, we first evaluated the efficacy of miR-7 expression operated by the promoter of TTF-1, a lineage-specific oncogene in lung cancer, in vitro using an eukaryotic vector of TTF-1-promoter-operated expression of miR-7 (termed as p-T-miR-7). Interestingly, using a nude mice model, the growth and metastasis of human lung cancer cells in vivo were significantly reduced in remote hypodermic injection of the p-T-miR-7 group, accompanied by increased expression of miR-7 and reduced transduction of the Akt and Erk pathway in situ. Mechanism aspect, global gene expression analysis showed that downregulation of NDUFA4, a novel target of miR-7, contributed to the effects of miR-7 expression operated by TTF-1 promoter on the growth and metastasis of human lung cancer cells, as well as altered transduction of the Akt and Erk pathway. Finally, there was no significant difference in weight or histopathology of other organs. These data provided a basis for development of novel modality of miRNA-based targeted expression therapy against clinical lung cancer.
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Affiliation(s)
- Liangyu Lei
- Department of Immunology, Zunyi Medical College, Guizhou 563000, China
| | - Chao Chen
- Department of Immunology, Zunyi Medical College, Guizhou 563000, China
| | - Juanjuan Zhao
- Department of Immunology, Zunyi Medical College, Guizhou 563000, China
| | - HaiRong Wang
- Department of Immunology, Zunyi Medical College, Guizhou 563000, China
| | - Mengmeng Guo
- Department of Immunology, Zunyi Medical College, Guizhou 563000, China
| | - Ya Zhou
- Department of Medical Physics, Zunyi Medical College, Guizhou 563000, China
| | - Junming Luo
- Department of Immunology, Zunyi Medical College, Guizhou 563000, China
| | - Jidong Zhang
- Department of Immunology, Zunyi Medical College, Guizhou 563000, China
| | - Lin Xu
- Department of Immunology, Zunyi Medical College, Guizhou 563000, China.
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