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Xu J, Fei P, Simon DW, Morowitz MJ, Mehta PA, Du W. Crosstalk between DNA Damage Repair and Metabolic Regulation in Hematopoietic Stem Cells. Cells 2024; 13:733. [PMID: 38727270 PMCID: PMC11083014 DOI: 10.3390/cells13090733] [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: 03/23/2024] [Revised: 04/18/2024] [Accepted: 04/22/2024] [Indexed: 05/12/2024] Open
Abstract
Self-renewal and differentiation are two characteristics of hematopoietic stem cells (HSCs). Under steady physiological conditions, most primitive HSCs remain quiescent in the bone marrow (BM). They respond to different stimuli to refresh the blood system. The transition from quiescence to activation is accompanied by major changes in metabolism, a fundamental cellular process in living organisms that produces or consumes energy. Cellular metabolism is now considered to be a key regulator of HSC maintenance. Interestingly, HSCs possess a distinct metabolic profile with a preference for glycolysis rather than oxidative phosphorylation (OXPHOS) for energy production. Byproducts from the cellular metabolism can also damage DNA. To counteract such insults, mammalian cells have evolved a complex and efficient DNA damage repair (DDR) system to eliminate various DNA lesions and guard genomic stability. Given the enormous regenerative potential coupled with the lifetime persistence of HSCs, tight control of HSC genome stability is essential. The intersection of DDR and the HSC metabolism has recently emerged as an area of intense research interest, unraveling the profound connections between genomic stability and cellular energetics. In this brief review, we delve into the interplay between DDR deficiency and the metabolic reprogramming of HSCs, shedding light on the dynamic relationship that governs the fate and functionality of these remarkable stem cells. Understanding the crosstalk between DDR and the cellular metabolism will open a new avenue of research designed to target these interacting pathways for improving HSC function and treating hematologic disorders.
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Affiliation(s)
- Jian Xu
- Division of Hematology and Oncology, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15232, USA
- UPMC Hillman Cancer Center, Pittsburgh, PA 15213, USA
| | - Peiwen Fei
- Cancer Biology, University of Hawaii Cancer Center, University of Hawaii, Honolulu, HI 96812, USA
| | - Dennis W. Simon
- Department of Critical Care Medicine, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15213, USA
| | - Michael J. Morowitz
- Department of Surgery, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15213, USA
| | - Parinda A. Mehta
- Division of Blood and Marrow Transplantation and Immune Deficiency, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Wei Du
- Division of Hematology and Oncology, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15232, USA
- UPMC Hillman Cancer Center, Pittsburgh, PA 15213, USA
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2
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Xiao R, Zhang L, Xin Z, Zhu J, Zhang Q, Zheng G, Chu S, Wu J, Zhang L, Wan Y, Chen X, Yuan W, Zhang Z, Zhu X, Fang X. Disruption of mitochondrial energy metabolism is a putative pathogenesis of Diamond-Blackfan anemia. iScience 2024; 27:109172. [PMID: 38414864 PMCID: PMC10897903 DOI: 10.1016/j.isci.2024.109172] [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: 08/07/2023] [Revised: 12/23/2023] [Accepted: 02/06/2024] [Indexed: 02/29/2024] Open
Abstract
Energy metabolism in the context of erythropoiesis and related diseases remains largely unexplored. Here, we developed a primary cell model by differentiating hematopoietic stem progenitor cells toward the erythroid lineage and suppressing the mitochondrial oxidative phosphorylation (OXPHOS) pathway. OXPHOS suppression led to differentiation failure of erythroid progenitors and defects in ribosome biogenesis. Ran GTPase-activating protein 1 (RanGAP1) was identified as a target of mitochondrial OXPHOS for ribosomal defects during erythropoiesis. Overexpression of RanGAP1 largely alleviated erythroid defects resulting from OXPHOS suppression. Coenzyme Q10, an activator of OXPHOS, largely rescued erythroid defects and increased RanGAP1 expression. Patients with Diamond-Blackfan anemia (DBA) exhibited OXPHOS suppression and a concomitant suppression of ribosome biogenesis. RNA-seq analysis implied that the substantial mutation (approximately 10%) in OXPHOS genes accounts for OXPHOS suppression in these patients. Conclusively, OXPHOS disruption and the associated disruptive mitochondrial energy metabolism are linked to the pathogenesis of DBA.
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Affiliation(s)
- Rudan Xiao
- Beijing Institute of Genomics, Chinese Academy of Sciences & China National Center for Bioinformation, Beijing 100101, P.R. China
- University of Chinese Academy of Sciences, Beijing 100049, P.R. China
| | - Lijuan Zhang
- Beijing Institute of Genomics, Chinese Academy of Sciences & China National Center for Bioinformation, Beijing 100101, P.R. China
- University of Chinese Academy of Sciences, Beijing 100049, P.R. China
| | - Zijuan Xin
- Beijing Institute of Genomics, Chinese Academy of Sciences & China National Center for Bioinformation, Beijing 100101, P.R. China
- University of Chinese Academy of Sciences, Beijing 100049, P.R. China
| | - Junwei Zhu
- Beijing Institute of Genomics, Chinese Academy of Sciences & China National Center for Bioinformation, Beijing 100101, P.R. China
| | - Qian Zhang
- Beijing Institute of Genomics, Chinese Academy of Sciences & China National Center for Bioinformation, Beijing 100101, P.R. China
| | - Guangmin Zheng
- Beijing Institute of Genomics, Chinese Academy of Sciences & China National Center for Bioinformation, Beijing 100101, P.R. China
- University of Chinese Academy of Sciences, Beijing 100049, P.R. China
| | - Siyun Chu
- Beijing Institute of Genomics, Chinese Academy of Sciences & China National Center for Bioinformation, Beijing 100101, P.R. China
| | - Jing Wu
- Beijing Institute of Genomics, Chinese Academy of Sciences & China National Center for Bioinformation, Beijing 100101, P.R. China
- Sino-Danish College, University of Chinese Academy of Sciences, Beijing 101408, P.R. China
| | - Lu Zhang
- Beijing Institute of Genomics, Chinese Academy of Sciences & China National Center for Bioinformation, Beijing 100101, P.R. China
- University of Chinese Academy of Sciences, Beijing 100049, P.R. China
| | - Yang Wan
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Xiaojuan Chen
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Weiping Yuan
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Zhaojun Zhang
- Beijing Institute of Genomics, Chinese Academy of Sciences & China National Center for Bioinformation, Beijing 100101, P.R. China
- University of Chinese Academy of Sciences, Beijing 100049, P.R. China
- Sino-Danish College, University of Chinese Academy of Sciences, Beijing 101408, P.R. China
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing 100101, P.R. China
- Beijing Key Laboratory of Genome and Precision Medicine Technologies, Beijing 100101, P.R. China
| | - Xiaofan Zhu
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Xiangdong Fang
- Beijing Institute of Genomics, Chinese Academy of Sciences & China National Center for Bioinformation, Beijing 100101, P.R. China
- University of Chinese Academy of Sciences, Beijing 100049, P.R. China
- Sino-Danish College, University of Chinese Academy of Sciences, Beijing 101408, P.R. China
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing 100101, P.R. China
- Beijing Key Laboratory of Genome and Precision Medicine Technologies, Beijing 100101, P.R. China
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3
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Wang R, Hussain A, Guo QQ, Jin XW, Wang MM. Oxygen and Iron Availability Shapes Metabolic Adaptations of Cancer Cells. World J Oncol 2024; 15:28-37. [PMID: 38274726 PMCID: PMC10807922 DOI: 10.14740/wjon1739] [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: 10/01/2023] [Accepted: 11/23/2023] [Indexed: 01/27/2024] Open
Abstract
The dynamic changes between glycolysis and oxidative phosphorylation (OXPHOS) for adenosine triphosphate (ATP) output, along with glucose, glutamine, and fatty acid utilization, etc., lead to the maintenance and selection of growth advantageous to tumor cell subgroups in an environment of iron starvation and hypoxia. Iron plays an important role in the three major biochemical reactions in nature: photosynthesis, nitrogen fixation, and oxidative respiration, which all require the participation of iron-sulfur proteins, such as ferredoxin, cytochrome b, and the complex I, II, III in the electron transport chain, respectively. Abnormal iron-sulfur cluster synthesis process or hypoxia will directly affect the function of mitochondrial electron transfer and mitochondrial OXPHOS. More research results have indicated that iron metabolism, oxygen availability and hypoxia-inducible factor mutually regulate the shift between glycolysis and OXPHOS. In this article, we make a perspective review to provide novel opinions of the regulation of glycolysis and OXPHOS in tumor cells.
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Affiliation(s)
- Rui Wang
- Department of Oncology, Suqian Affiliated Hospital of Xuzhou Medical University, Suqian City, China
- Department of Hematology, the Second Affiliated Hospital of Soochow University, Su Zhou City, China
| | - Aashiq Hussain
- Cancer Science Institute of Singapore, National University of Singapore, 119077 Singapore
| | - Quan Quan Guo
- Department of Oncology, Suqian Affiliated Hospital of Xuzhou Medical University, Suqian City, China
- Department of Radiology, the Second Affiliated Hospital of Soochow University, Su Zhou City, China
| | - Xiao Wei Jin
- Department of Oncology, Suqian Affiliated Hospital of Xuzhou Medical University, Suqian City, China
| | - Miao Miao Wang
- Department of General Surgery, Suqian Affiliated Hospital of Xuzhou Medical University, Suqian City, China
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4
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Zhao Q, Qi T. The implications and prospect of cuproptosis-related genes and copper transporters in cancer progression. Front Oncol 2023; 13:1117164. [PMID: 36925927 PMCID: PMC10011146 DOI: 10.3389/fonc.2023.1117164] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 02/17/2023] [Indexed: 03/08/2023] Open
Abstract
Currently, cancer has become one of the major public health problems worldwide. Apoptosis is an important anti-cancer defense mechanism, which is used in the development of targeted drugs. Because cancer cells have endogenous resistance to apoptosis,the clinical efficacy of related drugs is not ideal. Therefore, non-apoptotic regulatory cell death may bring new therapeutic strategies for cancer treatment. Cuproptosis is a novel form of regulatory cell death which is copper-dependent, regulated and distinct from other known cell death regulatory mechanisms. FDX1,LIAS,and DLAT named cuproptosis-related genes play an essential role in regulating cuproptosis. Meanwhile, abnormal accumulation of copper can be observed in various malignant tumors. The correlation has been established between elevated copper levels in serum and tissues and the progression of several cancers. Copper transporters, CTR1 and Copper-transporting ATPases(ATP7A and ATP7B), are mainly involved in regulating the dynamic balance of copper concentration to maintain copper homeostasis. Thus,cuproptosis-related genes and copper transporters will be the focus of cancer research in future. This review elaborated the basic functions of cuproptosis-related genes and copper transporters by retrievalling PubMed. And then we analyzed their potential relationship with cancer aiming to provide theoretical support and reference in cancer progression, diagnosis and treatment for future study.
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Affiliation(s)
- Qianwen Zhao
- Institute of Medical Sciences, The Second Hospital of Shandong University, Jinan, China
| | - Tonggang Qi
- Institute of Medical Sciences, The Second Hospital of Shandong University, Jinan, China
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5
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Single-Cell RNA Transcriptomics Reveals the State of Hepatic Lymphatic Endothelial Cells in Hepatitis B Virus-Related Acute-on-Chronic Liver Failure. J Clin Med 2022; 11:jcm11102910. [PMID: 35629036 PMCID: PMC9143330 DOI: 10.3390/jcm11102910] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 05/18/2022] [Accepted: 05/19/2022] [Indexed: 12/02/2022] Open
Abstract
Acute-on-chronic liver failure (ACLF) is an acutely decompensated cirrhosis syndrome with high short-term mortality. Very little is known about the relationship between the lymphatic system and ACLF. We explored the role of hepatic lymphatic vessels (LVs) and lymphatic endothelial cells (LyECs) in ACLF using human liver samples with the help of single-cell RNA-sequencing (scRNA-seq) technology. Here, ACLF exhibited more severe liver injury and inflammation than cirrhosis, as indicated by significant increases in plasma levels of alanine/aspartate aminotransferases and total bilirubin. Compared with cirrhosis cases, the number of intrahepatic LVs was decreased significantly in ACLF patients. ScRNA-seq revealed that many monocyte/macrophages infiltrated into the liver of ACLF cases. Meanwhile, scRNA-seq revealed a group of apoptotic and dysfunctional LyECs, which were the result of secreted phosphoprotein 1 (SPP1) released from infiltrating monocyte/macrophages. In vitro, SPP1 increased the proportion of dead LyECs significantly and impaired the ability of tube formation of LyECs in a dose- and time-dependent manner. In conclusion, ACLF is associated with less LV and LyEC dysfunction, at least in part mediated by SPP1 released from infiltrating monocyte/macrophages. Hepatic LVs and LyECs can be a novel therapeutic strategy for ACLF.
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6
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Mesbahi Y, Trahair TN, Lock RB, Connerty P. Exploring the Metabolic Landscape of AML: From Haematopoietic Stem Cells to Myeloblasts and Leukaemic Stem Cells. Front Oncol 2022; 12:807266. [PMID: 35223487 PMCID: PMC8867093 DOI: 10.3389/fonc.2022.807266] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Accepted: 01/18/2022] [Indexed: 12/13/2022] Open
Abstract
Despite intensive chemotherapy regimens, up to 60% of adults with acute myeloid leukaemia (AML) will relapse and eventually succumb to their disease. Recent studies suggest that leukaemic stem cells (LSCs) drive AML relapse by residing in the bone marrow niche and adapting their metabolic profile. Metabolic adaptation and LSC plasticity are novel hallmarks of leukemogenesis that provide important biological processes required for tumour initiation, progression and therapeutic responses. These findings highlight the importance of targeting metabolic pathways in leukaemia biology which might serve as the Achilles' heel for the treatment of AML relapse. In this review, we highlight the metabolic differences between normal haematopoietic cells, bulk AML cells and LSCs. Specifically, we focus on four major metabolic pathways dysregulated in AML; (i) glycolysis; (ii) mitochondrial metabolism; (iii) amino acid metabolism; and (iv) lipid metabolism. We then outline established and emerging drug interventions that exploit metabolic dependencies of leukaemic cells in the treatment of AML. The metabolic signature of AML cells alters during different biological conditions such as chemotherapy and quiescence. Therefore, targeting the metabolic vulnerabilities of these cells might selectively eradicate them and improve the overall survival of patients with AML.
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Affiliation(s)
- Yashar Mesbahi
- Children's Cancer Institute, Lowy Cancer Centre, University of New South Wales (UNSW) Sydney, Kensington, NSW, Australia.,School of Women's and Children's Health, University of New South Wales (UNSW) Sydney, Kensington, NSW, Australia.,University of New South Wales Centre for Childhood Cancer Research, University of New South Wales (UNSW) Sydney, Kensington, NSW, Australia
| | - Toby N Trahair
- Children's Cancer Institute, Lowy Cancer Centre, University of New South Wales (UNSW) Sydney, Kensington, NSW, Australia.,School of Women's and Children's Health, University of New South Wales (UNSW) Sydney, Kensington, NSW, Australia.,Kids Cancer Centre, Sydney Children's Hospital, Randwick, NSW, Australia
| | - Richard B Lock
- Children's Cancer Institute, Lowy Cancer Centre, University of New South Wales (UNSW) Sydney, Kensington, NSW, Australia.,School of Women's and Children's Health, University of New South Wales (UNSW) Sydney, Kensington, NSW, Australia.,University of New South Wales Centre for Childhood Cancer Research, University of New South Wales (UNSW) Sydney, Kensington, NSW, Australia
| | - Patrick Connerty
- Children's Cancer Institute, Lowy Cancer Centre, University of New South Wales (UNSW) Sydney, Kensington, NSW, Australia.,School of Women's and Children's Health, University of New South Wales (UNSW) Sydney, Kensington, NSW, Australia.,University of New South Wales Centre for Childhood Cancer Research, University of New South Wales (UNSW) Sydney, Kensington, NSW, Australia
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7
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Genome-wide whole-blood transcriptome profiling across inherited bone marrow failure subtypes. Blood Adv 2021; 5:5360-5371. [PMID: 34625797 PMCID: PMC9153011 DOI: 10.1182/bloodadvances.2021005360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Accepted: 08/26/2021] [Indexed: 11/20/2022] Open
Abstract
Gene expression profiling has long been used in understanding the contribution of genes and related pathways in disease pathogenesis and susceptibility. We have performed whole-blood transcriptomic profiling in a subset of patients with inherited bone marrow failure (IBMF) whose diseases are clinically and genetically characterized as Fanconi anemia (FA), Shwachman-Diamond syndrome (SDS), and dyskeratosis congenita (DC). We hypothesized that annotating whole-blood transcripts genome wide will aid in understanding the complexity of gene regulation across these IBMF subtypes. Initial analysis of these blood-derived transcriptomes revealed significant skewing toward upregulated genes in patients with FA when compared with controls. Patients with SDS or DC also showed similar skewing profiles in their transcriptional status revealing a common pattern across these different IBMF subtypes. Gene set enrichment analysis revealed shared pathways involved in protein translation and elongation (ribosome constituents), RNA metabolism (nonsense-mediated decay), and mitochondrial function (electron transport chain). We further identified a discovery set of 26 upregulated genes at stringent cutoff (false discovery rate < 0.05) that appeared as a unified signature across the IBMF subtypes. Subsequent transcriptomic analysis on genetically uncharacterized patients with BMF revealed a striking overlap of genes, including 22 from the discovery set, which indicates a unified transcriptional drive across the classic (FA, SDS, and DC) and uncharacterized BMF subtypes. This study has relevance in disease pathogenesis, for example, in explaining the features (including the BMF) common to all patients with IBMF and suggests harnessing this transcriptional signature for patient benefit.
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8
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Kusena JWT, Shariatzadeh M, Thomas RJ, Wilson SL. Understanding cell culture dynamics: a tool for defining protocol parameters for improved processes and efficient manufacturing using human embryonic stem cells. Bioengineered 2021; 12:979-996. [PMID: 33757391 PMCID: PMC8806349 DOI: 10.1080/21655979.2021.1902696] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 03/09/2021] [Accepted: 03/09/2021] [Indexed: 12/16/2022] Open
Abstract
Standardization is crucial when culturing cells including human embryonic stem cells (hESCs) which are valuable for therapy development and disease modeling. Inherent issues regarding reproducibility of protocols are problematic as they hinder translation to good manufacturing practice (GMP), thus reducing clinical efficacy and uptake. Pluripotent cultures require standardization to ensure that input material is consistent prior to differentiation, as inconsistency of input cells creates end-product variation. To improve protocols, developers first must understand the cells they are working with and their related culture dynamics. This innovative work highlights key conditions required for optimized and cost-effective bioprocesses compared to generic protocols typically implemented. This entailed investigating conditions affecting growth, metabolism, and phenotype dynamics to ensure cell quality is appropriate for use. Results revealed critical process parameters (CPPs) including feeding regime and seeding density impact critical quality attributes (CQAs) including specific metabolic rate (SMR) and specific growth rate (SGR). This implied that process understanding, and control is essential to maintain key cell characteristics, reduce process variation and retain CQAs. Examination of cell dynamics and CPPs permitted the formation of a defined protocol for culturing H9 hESCs. The authors recommend that H9 seeding densities of 20,000 cells/cm2, four-day cultures or three-day cultures following a recovery passage from cryopreservation and 100% medium exchange after 48 hours are optimal. These parameters gave ~SGR of 0.018 hour-1 ± 1.5x10-3 over three days and cell viabilities ≥95%±0.4, while producing cells which highly expressed pluripotent and proliferation markers, Oct3/4 (>99% positive) and Ki-67 (>99% positive).
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Affiliation(s)
- J W T Kusena
- Centre for Biological Engineering, Wolfson School of Mechanical, Electrical and Manufacturing Engineering, Loughborough University, Epinal Way, Loughborough University, Loughborough, Leicestershire, UK
| | - M Shariatzadeh
- Centre for Biological Engineering, Wolfson School of Mechanical, Electrical and Manufacturing Engineering, Loughborough University, Epinal Way, Loughborough University, Loughborough, Leicestershire, UK
| | - R J Thomas
- Centre for Biological Engineering, Wolfson School of Mechanical, Electrical and Manufacturing Engineering, Loughborough University, Epinal Way, Loughborough University, Loughborough, Leicestershire, UK
| | - S L Wilson
- Centre for Biological Engineering, Wolfson School of Mechanical, Electrical and Manufacturing Engineering, Loughborough University, Epinal Way, Loughborough University, Loughborough, Leicestershire, UK
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9
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Yu PF, Li YW, Zou LJ, Liu BL, Xiang L, Zhao HM, Li H, Cai QY, Hou XW, Mo CH, Wong MH, Li QX. Variety-Selective Rhizospheric Activation, Uptake, and Subcellular Distribution of Perfluorooctanesulfonate (PFOS) in Lettuce ( Lactuca sativa L.). ENVIRONMENTAL SCIENCE & TECHNOLOGY 2021; 55:8730-8741. [PMID: 34169723 DOI: 10.1021/acs.est.1c01175] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Perfluorooctanesulfonate (PFOS) as an accumulative emerging persistent organic pollutant in crops poses severe threats to human health. Lettuce varieties that accumulate a lower amount of PFOS (low-accumulating crop variety, LACV) have been identified, but the regarding mechanisms remain unsolved. Here, rhizospheric activation, uptake, translocation, and compartmentalization of PFOS in LACV were investigated in comparison with those of high-accumulating crop variety (HACV) in terms of rhizospheric forms, transporters, and subcellular distributions of PFOS. The enhanced PFOS desorption from the rhizosphere soils by dissolved organic matter from root exudates was observed with weaker effect in LACV than in HACV. PFOS root uptake was controlled by a transporter-mediated passive process in which low activities of aquaporins and rapid-type anion channels were corrected with low expression levels of PIPs (PIP1-1 and PIP2-2) and ALMTs (ALMT10 and ALMT13) genes in LACV roots. Higher PFOS proportions in root cell walls and trophoplasts caused lower root-to-shoot transport in LACV. The ability to cope with PFOS toxicity to shoot cells was poorer in LACV relative to HACV since PFOS proportions were higher in chloroplasts but lower in vacuoles. Our findings provide novel insights into PFOS accumulation in lettuce and further understanding of multiprocess mechanisms of LACV.
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Affiliation(s)
- Peng-Fei Yu
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, P. R. China
| | - Yan-Wen Li
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, P. R. China
| | - Long-Jun Zou
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, P. R. China
| | - Bai-Lin Liu
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, P. R. China
| | - Lei Xiang
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, P. R. China
| | - Hai-Ming Zhao
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, P. R. China
| | - Hui Li
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, P. R. China
| | - Quan-Ying Cai
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, P. R. China
| | - Xue-Wen Hou
- State Key Laboratory for Conservation and Utilization of Subtropical Agricultural Bioresources, South China Agricultural University, Guangzhou 510642, P. R. China
| | - Ce-Hui Mo
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, P. R. China
| | - Ming Hung Wong
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, P. R. China
- Consortium on Environment, Health, Education and Research (CHEER), The Education University of Hong Kong, Hong Kong, P. R. China
| | - Qing X Li
- Department of Molecular Biosciences and Bioengineering, University of Hawaii at Manoa, Honolulu, Hawaii 96822, United States
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10
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Liu R, Wang X, Shen Y, He A. Long non-coding RNA-based glycolysis-targeted cancer therapy: feasibility, progression and limitations. Mol Biol Rep 2021; 48:2713-2727. [PMID: 33704659 DOI: 10.1007/s11033-021-06247-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 02/20/2021] [Indexed: 12/18/2022]
Abstract
Metabolism reprogramming is one of the hallmarks of cancer cells, especially glucose metabolism, to promote their proliferation, metastasis and drug resistance. Cancer cells tend to depend on glycolysis for glucose utilization rather than oxidative phosphorylation, which is called the Warburg effect. Genome instability of oncogenes and tumor-inhibiting factors is the culprits for this anomalous glycolytic fueling, which results in dysregulating metabolism-related enzymes and metabolic signaling pathways. It has been extensively demonstrated that protein-coding genes are involved in this process; therefore, glycolysis-targeted therapy has been widely used in anti-tumor combined therapy via small molecular inhibitors of key enzymes and regulatory molecular. The long non-coding RNA, which is a large class of regulatory RNA with longer than 200 nucleotides, is the novel and significant regulator of various biological processes, including metabolic reprogramming. RNA interference and synthetic antisense oligonucleotide for RNA reduction have developed rapidly these years, which presents potent anti-tumor effects both in vitro and in vivo. However, lncRNA-based glycolysis-targeted cancer therapy, as the highly specific and less toxic approach, is still under the preclinical phase. In this review, we highlight the role of lncRNA in glucose metabolism and dissect the feasibility and limitations of this clinical development, which may provide potential targets for cancer therapy.
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Affiliation(s)
- Rui Liu
- Department of Hematology, The Second Affiliated Hospital of Xi'an Jiaotong University, 157, 5th West Road, Xi'an, 710004, Shaanxi, China
| | - Xiaman Wang
- Department of Hematology, The Second Affiliated Hospital of Xi'an Jiaotong University, 157, 5th West Road, Xi'an, 710004, Shaanxi, China
| | - Ying Shen
- Department of Hematology, The Second Affiliated Hospital of Xi'an Jiaotong University, 157, 5th West Road, Xi'an, 710004, Shaanxi, China
| | - Aili He
- Department of Hematology, The Second Affiliated Hospital of Xi'an Jiaotong University, 157, 5th West Road, Xi'an, 710004, Shaanxi, China. .,National-Local Joint Engineering Research Center of Biodiagnostics & Biotherapy, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710004, Shaanxi, China.
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11
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Wu L, Li X, Lin Q, Chowdhury F, Mazumder MH, Du W. FANCD2 and HES1 suppress inflammation-induced PPARɣ to prevent haematopoietic stem cell exhaustion. Br J Haematol 2021; 192:652-663. [PMID: 33222180 PMCID: PMC7856217 DOI: 10.1111/bjh.17230] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 10/12/2020] [Accepted: 10/16/2020] [Indexed: 12/18/2022]
Abstract
The Fanconi anaemia protein FANCD2 suppresses PPARƔ to maintain haematopoietic stem cell's (HSC) function; however, the underlying mechanism is not known. Here we show that FANCD2 acts in concert with the Notch target HES1 to suppress inflammation-induced PPARƔ in HSC maintenance. Loss of HES1 exacerbates FANCD2-KO HSC defects. However, deletion of HES1 does not cause more severe inflammation-mediated HSC defects in FANCD2-KO mice, indicating that both FANCD2 and HES1 are required for limiting detrimental effects of inflammation on HSCs. Further analysis shows that both FANCD2 and HES1 are required for transcriptional repression of inflammation-activated PPARg promoter. Inflammation orchestrates an overlapping transcriptional programme in HSPCs deficient for FANCD2 and HES1, featuring upregulation of genes in fatty acid oxidation (FAO) and oxidative phosphorylation. Loss of FANCD2 or HES1 augments both basal and inflammation-primed FAO. Targeted inhibition of PPARƔ or the mitochondrial carnitine palmitoyltransferase-1 (CPT1) reduces FAO and ameliorates HSC defects in inflammation-primed HSPCs deleted for FANCD2 or HES1 or both. Finally, depletion of PPARg or CPT1 restores quiescence in these mutant HSCs under inflammatory stress. Our results suggest that this novel FANCD2/HES1/PPARƔ axis may constitute a key component of immunometabolic regulation, connecting inflammation, cellular metabolism and HSC function.
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Affiliation(s)
- Limei Wu
- Department of Pharmaceutical Sciences, School of Pharmacy, West Virginia University
| | - Xue Li
- Department of Pharmaceutical Sciences, School of Pharmacy, West Virginia University
| | - Qiqi Lin
- Department of Pharmaceutical Sciences, School of Pharmacy, West Virginia University
| | - Fabliha Chowdhury
- Department of Pharmaceutical Sciences, School of Pharmacy, West Virginia University
| | - Md H. Mazumder
- Department of Pharmaceutical Sciences, School of Pharmacy, West Virginia University
| | - Wei Du
- Department of Pharmaceutical Sciences, School of Pharmacy, West Virginia University
- Alexander B. Osborn Hematopoietic Malignancy and Transplantation Program, West Virginia University Cancer Institute, Morgantown, WV
- Division of Hematology and Oncology, University of Pittsburgh School of Medicine
- Genome Stability Program, UPMC Hillman Cancer Center, Pittsburgh, PA, USA
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12
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Abad E, Samino S, Grodzicki RL, Pagano G, Trifuoggi M, Graifer D, Potesil D, Zdrahal Z, Yanes O, Lyakhovich A. Identification of metabolic changes leading to cancer susceptibility in Fanconi anemia cells. Cancer Lett 2020; 503:185-196. [PMID: 33316348 DOI: 10.1016/j.canlet.2020.12.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 11/19/2020] [Accepted: 12/05/2020] [Indexed: 10/22/2022]
Abstract
Fanconi anemia (FA) is a chromosomal instability disorder of bone marrow associated with aplastic anemia, congenital abnormalities and a high risk of malignancies. The identification of more than two dozen FA genes has revealed a plethora of interacting proteins that are mainly involved in repair of DNA interstrand crosslinks (ICLs). Other important findings associated with FA are inflammation, oxidative stress response, mitochondrial dysfunction and mitophagy. In this work, we performed quantitative proteomic and metabolomic analyses on defective FA cells and identified a number of metabolic abnormalities associated with cancer. In particular, an increased de novo purine biosynthesis, a high concentration of fumarate, and an accumulation of purinosomal clusters were found. This was in parallel with decreased OXPHOS and altered glycolysis. On the whole, our results indicate an association between the need for nitrogenous bases upon impaired DDR in FA cells with a subsequent increase in purine metabolism and a potential role in oncogenesis.
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Affiliation(s)
- Etna Abad
- Department of Experimental and Health Sciences, Universitat Pompeu Fabra, Barcelona, Spain
| | | | | | - Giovanni Pagano
- Department of Chemical Sciences, Federico II Naples University, I-80126 Naples, Italy
| | - Marco Trifuoggi
- Department of Chemical Sciences, Federico II Naples University, I-80126 Naples, Italy
| | | | - David Potesil
- CEITEC - Central European Institute of Technology, Masaryk University, Brno, Czech Republic
| | - Zbynek Zdrahal
- CEITEC - Central European Institute of Technology, Masaryk University, Brno, Czech Republic; National Centre for Biomolecular Research, Faculty of Science, Masaryk University, Kamenice 5, 62500 Brno, Czech Republic
| | - Oscar Yanes
- Universitat Rovira i Virgili, Department of Electronic Engineering, IISPV, Tarragona 43007, Spain; CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Instituto de Salud Carlos III, Madrid 28029, Spain
| | - Alex Lyakhovich
- Institute of Molecular Biology and Biophysics, Federal Research Center of Fundamental and Translational Medicine, Novosibirsk, 630117, Russia; Vall D'Hebron Institut de Recerca, 08035, Barcelona, Spain.
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13
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Abstract
The rediscovery and reinterpretation of the Warburg effect in the year 2000 occulted for almost a decade the key functions exerted by mitochondria in cancer cells. Until recent times, the scientific community indeed focused on constitutive glycolysis as a hallmark of cancer cells, which it is not, largely ignoring the contribution of mitochondria to the malignancy of oxidative and glycolytic cancer cells, being Warburgian or merely adapted to hypoxia. In this review, we highlight that mitochondria are not only powerhouses in some cancer cells, but also dynamic regulators of life, death, proliferation, motion and stemness in other types of cancer cells. Similar to the cells that host them, mitochondria are capable to adapt to tumoral conditions, and probably to evolve to ‘oncogenic mitochondria' capable of transferring malignant capacities to recipient cells. In the wider quest of metabolic modulators of cancer, treatments have already been identified targeting mitochondria in cancer cells, but the field is still in infancy.
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Affiliation(s)
- Debora Grasso
- Pole of Pharmacology & Therapeutics, Institut de Recherche Expérimentale et Clinique (IREC), Université catholique de Louvain (UCLouvain), Brussels, Belgium
| | - Luca X Zampieri
- Pole of Pharmacology & Therapeutics, Institut de Recherche Expérimentale et Clinique (IREC), Université catholique de Louvain (UCLouvain), Brussels, Belgium
| | - Tânia Capelôa
- Pole of Pharmacology & Therapeutics, Institut de Recherche Expérimentale et Clinique (IREC), Université catholique de Louvain (UCLouvain), Brussels, Belgium
| | - Justine A Van de Velde
- Pole of Pharmacology & Therapeutics, Institut de Recherche Expérimentale et Clinique (IREC), Université catholique de Louvain (UCLouvain), Brussels, Belgium
| | - Pierre Sonveaux
- Pole of Pharmacology & Therapeutics, Institut de Recherche Expérimentale et Clinique (IREC), Université catholique de Louvain (UCLouvain), Brussels, Belgium
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14
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Mansilla N, Welchen E, Gonzalez DH. Arabidopsis SCO Proteins Oppositely Influence Cytochrome c Oxidase Levels and Gene Expression during Salinity Stress. PLANT & CELL PHYSIOLOGY 2019; 60:2769-2784. [PMID: 31418792 DOI: 10.1093/pcp/pcz166] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Accepted: 08/12/2019] [Indexed: 06/10/2023]
Abstract
SCO (synthesis of cytochrome c oxidase) proteins are involved in the insertion of copper during the assembly of cytochrome c oxidase (COX), the final enzyme of the mitochondrial respiratory chain. Two SCO proteins, namely, homolog of copper chaperone 1 and 2 (HCC1 and HCC2) are present in seed plants, but HCC2 lacks the residues involved in copper binding, leading to uncertainties about its function. In this study, we performed a transcriptomic and phenotypic analysis of Arabidopsis thaliana plants with reduced expression of HCC1 or HCC2. We observed that a deficiency in HCC1 causes a decrease in the expression of several stress-responsive genes, both under basal growth conditions and after applying a short-term high salinity treatment. In addition, HCC1 deficient plants show a faster decrease in chlorophyll content, photosystem II quantum efficiency and COX levels after salinity stress, as well as a faster increase in alternative oxidase capacity. Notably, HCC2 deficiency causes opposite changes in most of these parameters. Bimolecular fluorescence complementation analysis indicated that both proteins are able to interact. We postulate that HCC1 is a limiting factor for COX assembly during high salinity conditions and that HCC2 probably acts as a negative modulator of HCC1 activity through protein-protein interactions. In addition, a direct or indirect role of HCC1 and HCC2 in the gene expression response to stress is proposed.
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Affiliation(s)
- Natanael Mansilla
- Instituto de Agrobiotecnolog�a del Litoral (CONICET-UNL), C�tedra de Biolog�a Celular y Molecular, Facultad de Bioqu�mica y Ciencias Biol�gicas, Universidad Nacional del Litoral, Santa Fe 3000, Argentina
| | - Elina Welchen
- Instituto de Agrobiotecnolog�a del Litoral (CONICET-UNL), C�tedra de Biolog�a Celular y Molecular, Facultad de Bioqu�mica y Ciencias Biol�gicas, Universidad Nacional del Litoral, Santa Fe 3000, Argentina
| | - Daniel H Gonzalez
- Instituto de Agrobiotecnolog�a del Litoral (CONICET-UNL), C�tedra de Biolog�a Celular y Molecular, Facultad de Bioqu�mica y Ciencias Biol�gicas, Universidad Nacional del Litoral, Santa Fe 3000, Argentina
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15
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Jiang W, Zhao H, Zhang L, Wu B, Zha Z. Maintenance of mitochondrial function by astaxanthin protects against bisphenol A-induced kidney toxicity in rats. Biomed Pharmacother 2019; 121:109629. [PMID: 31733573 DOI: 10.1016/j.biopha.2019.109629] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Revised: 10/10/2019] [Accepted: 10/31/2019] [Indexed: 12/16/2022] Open
Abstract
Bisphenol A (BPA), a global environmental pollutant, has been reported to have the potential to induced organs toxicity. This study explored the potential benefits of astaxanthin (ATX), a natural antioxidant, against BPA toxicity in the kidney, and explored whether mitochondria are involved in this condition. Male Wistar rats were fed with a vehicle, BPA, BPA plus ATX, ATX and were evaluated after five weeks. ATX treatment significantly reversed BPA-induced changes in body weight, kidney/body weight, and renal function related markers. When treated simultaneously with ATX, the imbalance of the oxidative-antioxidant status caused by BPA was also alleviated. The high expression of BPA-induced pro-inflammatory cytokines were inhibited by ATX treatment. ATX treatment also lessened the effects of BPA-induced caspase-3, -8, -9 and -10 gene expression and enzyme activity. The benefits of ATX were associated with enhanced mitochondrial function, which led to increased mitochondrial-encoded gene expression, mitochondrial copy number, and increased mitochondrial respiratory chain complex enzyme activity. Our results demonstrate the efficacy of ATX in protecting BPA-induced kidney damage, in part by regulating oxidative imbalance and improving mitochondrial function. Collectively, these findings provide a new perspective for the rational use of ATX in the treatment of BPA-induced kidney disease.
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Affiliation(s)
- Wei Jiang
- Department of Urology, Taizhou People's Hospital, Taizhou 225300, Jiangsu Province, China.
| | - Hu Zhao
- Department of Urology, Affiliated Jiang-yin Hospital of the Southeast University Medical College, Jiang-yin 214400, Jiangsu Province, China.
| | - Lijin Zhang
- Department of Urology, Affiliated Jiang-yin Hospital of the Southeast University Medical College, Jiang-yin 214400, Jiangsu Province, China.
| | - Bin Wu
- Department of Urology, Affiliated Jiang-yin Hospital of the Southeast University Medical College, Jiang-yin 214400, Jiangsu Province, China.
| | - Zhenlei Zha
- Department of Urology, Affiliated Jiang-yin Hospital of the Southeast University Medical College, Jiang-yin 214400, Jiangsu Province, China.
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16
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Chatla S, Du W, Wilson AF, Meetei AR, Pang Q. Fancd2-deficient hematopoietic stem and progenitor cells depend on augmented mitochondrial translation for survival and proliferation. Stem Cell Res 2019; 40:101550. [PMID: 31472450 PMCID: PMC6907690 DOI: 10.1016/j.scr.2019.101550] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Revised: 08/15/2019] [Accepted: 08/22/2019] [Indexed: 01/08/2023] Open
Abstract
Members of the Fanconi anemia (FA) protein family are involved in multiple cellular processes including response to DNA damage and oxidative stress. Here we show that a major FA protein, Fancd2, plays a role in mitochondrial biosynthesis through regulation of mitochondrial translation. Fancd2 interacts with Atad3 and Tufm, which are among the most frequently identified components of the mitochondrial nucleoid complex essential for mitochondrion biosynthesis. Deletion of Fancd2 in mouse hematopoietic stem and progenitor cells (HSPCs) leads to increase in mitochondrial number, and enzyme activity of mitochondrion-encoded respiratory complexes. Fancd2 deficiency increases mitochondrial protein synthesis and induces mitonuclear protein imbalance. Furthermore, Fancd2-deficient HSPCs show increased mitochondrial respiration and mitochondrial reactive oxygen species. By using a cell-free assay with mitochondria isolated from WT and Fancd2-KO HSPCs, we demonstrate that the increased mitochondrial protein synthesis observed in Fancd2-KO HSPCs was directly linked to augmented mitochondrial translation. Finally, Fancd2-deficient HSPCs are selectively sensitive to mitochondrial translation inhibition and depend on augmented mitochondrial translation for survival and proliferation. Collectively, these results suggest that Fancd2 restricts mitochondrial activity through regulation of mitochondrial translation, and that augmented mitochondrial translation and mitochondrial respiration may contribute to HSC defect and bone marrow failure in FA.
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Affiliation(s)
- Srinivas Chatla
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, United States of America.
| | - Wei Du
- Department of Pharmaceutical Sciences, School of Pharmacy, West Virginia University, Morgantown, WV 26506, United States of America.
| | - Andrew F Wilson
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, United States of America.
| | - Amom Ruhikanta Meetei
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, United States of America; Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH 45229, United States of America.
| | - Qishen Pang
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, United States of America; Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH 45229, United States of America.
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17
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Bisphenol A induces apoptosis, oxidative stress and inflammatory response in colon and liver of mice in a mitochondria-dependent manner. Biomed Pharmacother 2019; 117:109182. [DOI: 10.1016/j.biopha.2019.109182] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Revised: 06/21/2019] [Accepted: 06/26/2019] [Indexed: 02/06/2023] Open
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18
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Wang A, Luan HH, Medzhitov R. An evolutionary perspective on immunometabolism. Science 2019; 363:363/6423/eaar3932. [PMID: 30630899 DOI: 10.1126/science.aar3932] [Citation(s) in RCA: 225] [Impact Index Per Article: 45.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Metabolism is at the core of all biological functions. Anabolic metabolism uses building blocks that are either derived from nutrients or synthesized de novo to produce the biological infrastructure, whereas catabolic metabolism generates energy to fuel all biological processes. Distinct metabolic programs are required to support different biological functions. Thus, recent studies have revealed how signals regulating cell quiescence, proliferation, and differentiation also induce the appropriate metabolic programs. In particular, a wealth of new studies in the field of immunometabolism has unveiled many examples of the connection among metabolism, cell fate decisions, and organismal physiology. We discuss these findings under a unifying framework derived from the evolutionary and ecological principles of life history theory.
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Affiliation(s)
- Andrew Wang
- Department of Medicine (Rheumatology), Yale University School of Medicine, New Haven, CT 06520, USA
| | - Harding H Luan
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06520, USA
| | - Ruslan Medzhitov
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06520, USA. .,Howard Hughes Medical Institute, Yale University School of Medicine, New Haven, CT 06520, USA
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19
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Li X, Wu L, Zopp M, Kopelov S, Du W. p53-TP53-Induced Glycolysis Regulator Mediated Glycolytic Suppression Attenuates DNA Damage and Genomic Instability in Fanconi Anemia Hematopoietic Stem Cells. Stem Cells 2019; 37:937-947. [PMID: 30977208 PMCID: PMC6599562 DOI: 10.1002/stem.3015] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Revised: 03/24/2019] [Accepted: 03/31/2019] [Indexed: 01/31/2023]
Abstract
Emerging evidence has shown that resting quiescent hematopoietic stem cells (HSCs) prefer to utilize anaerobic glycolysis rather than mitochondrial respiration for energy production. Compelling evidence has also revealed that altered metabolic energetics in HSCs underlies the onset of certain blood diseases; however, the mechanisms responsible for energetic reprogramming remain elusive. We recently found that Fanconi anemia (FA) HSCs in their resting state are more dependent on mitochondrial respiration for energy metabolism than on glycolysis. In the present study, we investigated the role of deficient glycolysis in FA HSC maintenance. We observed significantly reduced glucose consumption, lactate production, and ATP production in HSCs but not in the less primitive multipotent progenitors or restricted hematopoietic progenitors of Fanca−/− and Fancc−/− mice compared with that of wild‐type mice, which was associated with an overactivated p53 and TP53‐induced glycolysis regulator, the TIGAR‐mediated metabolic axis. We utilized Fanca−/− HSCs deficient for p53 to show that the p53‐TIGAR axis suppressed glycolysis in FA HSCs, leading to enhanced pentose phosphate pathway and cellular antioxidant function and, consequently, reduced DNA damage and attenuated HSC exhaustion. Furthermore, by using Fanca−/− HSCs carrying the separation‐of‐function mutant p53R172P transgene that selectively impairs the p53 function in apoptosis but not cell‐cycle control, we demonstrated that the cell‐cycle function of p53 was not required for glycolytic suppression in FA HSCs. Finally, ectopic expression of the glycolytic rate‐limiting enzyme PFKFB3 specifically antagonized p53‐TIGAR‐mediated metabolic reprogramming in FA HSCs. Together, our results suggest that p53‐TIGAR metabolic axis‐mediated glycolytic suppression may play a compensatory role in attenuating DNA damage and proliferative exhaustion in FA HSCs. stem cells2019;37:937–947
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Affiliation(s)
- Xue Li
- Department of Pharmaceutical Sciences, School of Pharmacy, West Virginia University, Morgantown, West Virginia, USA.,Institute for Brain Research and Rehabilitation, South China Normal University, Guangzhou, People's Republic of China
| | - Limei Wu
- Department of Pharmaceutical Sciences, School of Pharmacy, West Virginia University, Morgantown, West Virginia, USA
| | - Morgan Zopp
- Department of Pharmaceutical Sciences, School of Pharmacy, West Virginia University, Morgantown, West Virginia, USA
| | - Shaina Kopelov
- Department of Pharmaceutical Sciences, School of Pharmacy, West Virginia University, Morgantown, West Virginia, USA
| | - Wei Du
- Department of Pharmaceutical Sciences, School of Pharmacy, West Virginia University, Morgantown, West Virginia, USA.,Alexander B. Osborn Hematopoietic Malignancy and Transplantation Program, West Virginia University Cancer Institute, Morgantown, West Virginia, USA
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20
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High expression of synthesis of cytochrome c oxidase 2 and TP53-induced glycolysis and apoptosis regulator can predict poor prognosis in human lung adenocarcinoma. Hum Pathol 2018; 77:54-62. [PMID: 29634976 DOI: 10.1016/j.humpath.2017.12.029] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/03/2017] [Revised: 12/10/2017] [Accepted: 12/15/2017] [Indexed: 01/08/2023]
Abstract
Synthesis of cytochrome c oxidase 2 (SCO2) and TP53-induced glycolysis and apoptosis regulator (TIGAR) are 2 p53-mediated proteins that can play a regulatory role in cancer energy metabolism. However, no study has examined the association of SCO2 and TIGAR with the prognosis of patients with lung adenocarcinoma (AC). In our study, the expression of SCO2 and TIGAR proteins in lung AC was detected, and the potential relation to prognosis was evaluated, aiming to take a further view of lung AC progression. Quantum dots-based immunofluorescence histochemistry staining was performed to observe the expression of p53, SCO2, and TIGAR in 75 specimens of lung AC. Of these, 51 (68.0%) showed high expression of SCO2, and 59 (78.7%) showed high expression of TIGAR. High TIGAR expression was significantly associated with a history of smoking (P = .017) and being male (P = .006). The correlation between high SCO2 expression and age also was significant (P = .042). Moreover, high TIGAR expression was positively correlated with high SCO2 expression (P = .019; rs = 0.271). High expression of the SCO2 and TIGAR proteins predicted poorer survival and a higher mortality rate (P = .024 and .030, respectively). High expression of SCO2 and TIGAR proteins is significantly associated with lung AC progression, suggesting their potential use as prognostic markers and therapeutic targets.
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21
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Li X, Wilson AF, Du W, Pang Q. Cell-Cycle-Specific Function of p53 in Fanconi Anemia Hematopoietic Stem and Progenitor Cell Proliferation. Stem Cell Reports 2018; 10:339-346. [PMID: 29307578 PMCID: PMC5830889 DOI: 10.1016/j.stemcr.2017.12.006] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2017] [Revised: 12/04/2017] [Accepted: 12/05/2017] [Indexed: 12/18/2022] Open
Abstract
Overactive p53 has been proposed as an important pathophysiological factor for bone marrow failure syndromes, including Fanconi anemia (FA). Here, we report a p53-dependent effect on hematopoietic stem and progenitor cell (HSPC) proliferation in mice deficient for the FA gene Fanca. Deletion of p53 in Fanca-/- mice leads to replicative exhaustion of the hematopoietic stem cell (HSC) in transplant recipients. Using Fanca-/- HSCs expressing the separation-of-function mutant p53515C transgene, which selectively impairs the p53 function in apoptosis but keeps its cell-cycle checkpoint activities intact, we show that the p53 cell-cycle function is specifically required for the regulation of Fanca-/- HSC proliferation. Our results demonstrate that p53 plays a compensatory role in preventing FA HSCs from replicative exhaustion and suggest a cautious approach to manipulating p53 signaling as a therapeutic utility in FA.
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Affiliation(s)
- Xiaoli Li
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Hospital Medical Center, 3333 Burnet Avenue, Cincinnati, OH 45229, USA
| | - Andrew F Wilson
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Hospital Medical Center, 3333 Burnet Avenue, Cincinnati, OH 45229, USA
| | - Wei Du
- Department of Pharmaceutical Sciences, West Virginia University School of Pharmacy, Morgantown, WV 26506, USA.
| | - Qishen Pang
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Hospital Medical Center, 3333 Burnet Avenue, Cincinnati, OH 45229, USA; Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH 45229, USA.
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22
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Non-coding RNAs in the reprogramming of glucose metabolism in cancer. Cancer Lett 2018; 419:167-174. [PMID: 29366802 DOI: 10.1016/j.canlet.2018.01.048] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2017] [Revised: 01/05/2018] [Accepted: 01/12/2018] [Indexed: 12/21/2022]
Abstract
Proliferating cancer cells reprogram their metabolic circuitry to thrive in an environment deficient in nutrients and oxygen. Cancer cells exhibit a higher rate of glucose metabolism than normal somatic cells, which is achieved by switching from oxidative phosphorylation to aerobic glycolysis to meet the energy and metabolites demands of tumour progression. This phenomenon, which is known as the Warburg effect, has generated renewed interest in the process of glucose metabolism reprogramming in cancer cells. Several regulatory pathways along with glycolytic enzymes are responsible for the emergence of glycolytic dependence. Non-coding (nc)RNAs are a class of functional RNA molecules that are not translated into proteins but regulate target gene expression. NcRNAs have been shown to be involved in various biological processes, including glucose metabolism. In this review, we describe the regulatory role of ncRNAs-specifically, microRNAs and long ncRNAs-in the glycolytic switch and propose that ncRNA-based therapeutics can be used to inhibit the process of glucose metabolism reprogramming in cancer cells.
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23
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Yu L, Chen X, Wang L, Chen S. The sweet trap in tumors: aerobic glycolysis and potential targets for therapy. Oncotarget 2018; 7:38908-38926. [PMID: 26918353 PMCID: PMC5122440 DOI: 10.18632/oncotarget.7676] [Citation(s) in RCA: 82] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2015] [Accepted: 02/16/2016] [Indexed: 12/11/2022] Open
Abstract
Metabolic change is one of the hallmarks of tumor, which has recently attracted a great of attention. One of main metabolic characteristics of tumor cells is the high level of glycolysis even in the presence of oxygen, known as aerobic glycolysis or the Warburg effect. The energy production is much less in glycolysis pathway than that in tricarboxylic acid cycle. The molecular mechanism of a high glycolytic flux in tumor cells remains unclear. A large amount of intermediates derived from glycolytic pathway could meet the biosynthetic requirements of the proliferating cells. Hypoxia-induced HIF-1α, PI3K-Akt-mTOR signaling pathway, and many other factors, such as oncogene activation and tumor suppressor inactivation, drive cancer cells to favor glycolysis over mitochondrial oxidation. Several small molecules targeting glycolytic pathway exhibit promising anticancer activity both in vitro and in vivo. In this review, we will focus on the latest progress in the regulation of aerobic glycolysis and discuss the potential targets for the tumor therapy.
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Affiliation(s)
- Li Yu
- Department of Pathology, The First Affiliated Hospital, Sun Yat-sen (Zhongshan) University, Guangzhou, P.R. China
| | - Xun Chen
- Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University, Guangzhou, P.R. China
| | - Liantang Wang
- Department of Pathology, The First Affiliated Hospital, Sun Yat-sen (Zhongshan) University, Guangzhou, P.R. China
| | - Shangwu Chen
- State Key Laboratory for Biocontrol, Guangdong Key Laboratory of Pharmaceutical Functional Genes, Department of Biochemistry, School of Life Sciences, Sun Yat-sen (Zhongshan) University, Guangzhou, P.R. China
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24
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Metabolic regulation of hematopoietic and leukemic stem/progenitor cells under homeostatic and stress conditions. Int J Hematol 2017; 106:18-26. [PMID: 28540498 DOI: 10.1007/s12185-017-2261-x] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2017] [Accepted: 05/17/2017] [Indexed: 12/19/2022]
Abstract
Hematopoietic stem cells (HSCs) exhibit multilineage differentiation and self-renewal activities that maintain the entire hematopoietic system during an organism's lifetime. These abilities are sustained by intrinsic transcriptional programs and extrinsic cues from the microenvironment or niche. Recent studies using metabolomics technologies reveal that metabolic regulation plays an essential role in HSC maintenance. Metabolic pathways provide energy and building blocks for other factors functioning at steady state and in stress. Here we review recent advances in our understanding of metabolic regulation in HSCs relevant to cell cycle quiescence, symmetric/asymmetric division, and proliferation following stress and lineage commitment, and discuss the therapeutic potential of targeting metabolic factors or pathways to treat hematological malignancies.
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