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Khorashad JS, Rizzo S, Tonks A. Reactive oxygen species and its role in pathogenesis and resistance to therapy in acute myeloid leukemia. CANCER DRUG RESISTANCE (ALHAMBRA, CALIF.) 2024; 7:5. [PMID: 38434766 PMCID: PMC10905166 DOI: 10.20517/cdr.2023.125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 01/24/2024] [Accepted: 02/19/2024] [Indexed: 03/05/2024]
Abstract
Relapse following a short clinical response to therapy is the major challenge for the management of acute myeloid leukemia (AML) patients. Leukemic stem cells (LSC), as the source of relapse, have been investigated for their metabolic preferences and their alterations at the time of relapse. As LSC rely on oxidative phosphorylation (OXPHOS) for energy requirement, reactive oxygen species (ROS), as by-products of OXPHOS, have been investigated for their role in the effectiveness of the standard AML therapy. Increased levels of non-mitochondrial ROS, generated by nicotinamide adenine dinucleotide phosphate oxidase, in a subgroup of AML patients add to the complexity of studying ROS. Although there are various studies presenting the contribution of ROS to AML pathogenesis, resistance, and its inhibition or activation as a target, a model that can clearly explain its role in AML has not been conceptualized. This is due to the heterogeneity of AML, the dynamics of ROS production, which is influenced by factors such as the type of treatment, cell differentiation state, mitochondrial activity, and also the heterogeneous generation of non-mitochondrial ROS and limited available data on their interaction with the microenvironment. This review summarizes these challenges and the recent progress in this field.
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Affiliation(s)
- Jamshid Sorouri Khorashad
- Department of Immunology and inflammation, Imperial College London, London, W12 0NN, UK
- Department of Molecular Pathology, Institute of Cancer Research, Sutton, SM2 5PT, UK
- Department of Haematology, Division of Cancer & Genetics, School of Medicine, Cardiff University, Cardiff, CF14 4XN, UK
| | - Sian Rizzo
- Department of Haematology, Division of Cancer & Genetics, School of Medicine, Cardiff University, Cardiff, CF14 4XN, UK
| | - Alex Tonks
- Department of Haematology, Division of Cancer & Genetics, School of Medicine, Cardiff University, Cardiff, CF14 4XN, UK
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2
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Sun T, Ren K, Xu G, Ma R, Wang X, Min T, Xie X, Sun A, Ma Y, Wang H, Zhang Y, Zhu K, Dang C, Zhang G, Zhang H. Plasma-Activated Solutions Mitigates DSS-Induced Colitis via Restoring Redox Homeostasis and Reversing Microbiota Dysbiosis. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2304044. [PMID: 37870220 PMCID: PMC10700679 DOI: 10.1002/advs.202304044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 10/10/2023] [Indexed: 10/24/2023]
Abstract
Ulcerative colitis is a chronic disease that increases the risk of developing colorectal cancer. Conventional medications are limited by drug delivery and a weak capacity to modulate the inflammatory microenvironment. Further, gut microbiota dysbiosis caused by mucosal damage and dysregulated redox homeostasis leads to frequent recurrence. Therefore, promoting mucosal healing and restoring redox homeostasis is considered the initial step in treating ulcerative colitis. Plasma-activated solutions (PAS) are liquids rich in various reactive nitrogen species (RNS) and reactive oxygen species (ROS) and are used to treat multiple diseases. However, its effect on ulcerative colitis remains to be examined. Therefore, using a DSS-induced mice colitis model, it is found that PAS has the potential to treat colitis and prevent its recurrence by promoting intestinal mucosal repair, reducing inflammation, improving redox homeostasis, and reversing gut microbiota dysbiosis. Further, an equipment is designed for preparing PAS without using nitrogen; however, after treatment with the Nitro-free PAS, the therapeutic effect of PAS is significantly weakened or even lost, indicating that RNS may be the main mediator by which PAS exerts its therapeutic effects. Overall, this study demonstrates the treatment of ulcerative colitis as a novel application of PAS.
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Affiliation(s)
- Tuanhe Sun
- Department of Surgical OncologyThe First Affiliated Hospital of Xi'an Jiaotong UniversityXi'anShaanxi710061China
| | - Kaijie Ren
- Department of Surgical OncologyThe First Affiliated Hospital of Xi'an Jiaotong UniversityXi'anShaanxi710061China
| | - Guimin Xu
- State Key Laboratory of Electrical Insulation and Power EquipmentSchool of Electrical EngineeringXi'an Jiaotong UniversityXi'anShaanxi710061China
| | - Rulan Ma
- Department of Surgical OncologyThe First Affiliated Hospital of Xi'an Jiaotong UniversityXi'anShaanxi710061China
| | - Xueni Wang
- Department of Hepatobiliary SurgeryThe First Affiliated Hospital of Xi'an Jiaotong UniversityXi'anShaanxi710061China
| | - Tianhao Min
- Department of Surgical OncologyThe First Affiliated Hospital of Xi'an Jiaotong UniversityXi'anShaanxi710061China
| | - Xin Xie
- Department of Nuclear MedicineThe First Affiliated Hospital of Xi'an Jiaotong UniversityXi'anShaanxi710061China
| | - Anbang Sun
- State Key Laboratory of Electrical Insulation and Power EquipmentSchool of Electrical EngineeringXi'an Jiaotong UniversityXi'anShaanxi710061China
| | - Yuyi Ma
- Department of Surgical OncologyThe First Affiliated Hospital of Xi'an Jiaotong UniversityXi'anShaanxi710061China
| | - Haonan Wang
- Department of Surgical OncologyThe First Affiliated Hospital of Xi'an Jiaotong UniversityXi'anShaanxi710061China
| | - Yong Zhang
- Department of Surgical OncologyThe First Affiliated Hospital of Xi'an Jiaotong UniversityXi'anShaanxi710061China
| | - Kun Zhu
- Department of Surgical OncologyThe First Affiliated Hospital of Xi'an Jiaotong UniversityXi'anShaanxi710061China
| | - Chengxue Dang
- Department of Surgical OncologyThe First Affiliated Hospital of Xi'an Jiaotong UniversityXi'anShaanxi710061China
| | - Guanjun Zhang
- State Key Laboratory of Electrical Insulation and Power EquipmentSchool of Electrical EngineeringXi'an Jiaotong UniversityXi'anShaanxi710061China
| | - Hao Zhang
- Department of Surgical OncologyThe First Affiliated Hospital of Xi'an Jiaotong UniversityXi'anShaanxi710061China
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3
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Bisaso KR, Mukonzo JK, Ette EI. A mechanistic assessment of the nature of pharmacodynamic drug-drug interaction in vivo and in vitro. In Silico Pharmacol 2023; 11:31. [PMID: 37899968 PMCID: PMC10611690 DOI: 10.1007/s40203-023-00168-y] [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: 05/29/2023] [Accepted: 10/04/2023] [Indexed: 10/31/2023] Open
Abstract
Combination pharmacotherapy is becoming increasingly necessary because most diseases are pathophysiologically controlled at the subcellular level by target proteins in a combinatorial manner. We demonstrate the application of the stimulus-response mechanistic model in characterising the drug and physiological properties of pharmacodynamic drug-drug interactions (PDDI) using previously published in vitro and in vivo drug combination experiments. The in vitro experiment tested the effect of a combination of SCH66336 and 4-HPR on the survival of in squamous cell carcinoma cell lines, while the in vivo experiment tested the effect of a combination of cetuximab and cisplatin on tumour growth inhibition in female xenograft mice. The model adequately described both experiments, quantified both system and drug properties and predicted the nature of the PDDI mechanism. Strong baseline signals of 7.35 and 610 units existed in the in vitro and in vivo experiments respectively. An overall synergistic relationship (interaction index = 1.03E-8) was detected in the in vitro experiment. In the in vivo model, the overall interaction index was 70,139.45 implying an antagonistic interaction between the cisplatin and the cetuximab signals.
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Affiliation(s)
| | - Jackson K. Mukonzo
- Deparment of Pharmacology, Makerere University College of Health Sciences, Kampala, Uganda
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Tang X, Wang Z, Wang J, Cui S, Xu R, Wang Y. Functions and regulatory mechanisms of resting hematopoietic stem cells: a promising targeted therapeutic strategy. Stem Cell Res Ther 2023; 14:73. [PMID: 37038215 PMCID: PMC10088186 DOI: 10.1186/s13287-023-03316-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 03/29/2023] [Indexed: 04/12/2023] Open
Abstract
Hematopoietic stem cells (HSCs) are the common and essential precursors of all blood cells, including immune cells, and they are responsible for the lifelong maintenance and damage repair of blood tissue homeostasis. The vast majority (> 95%) of HSCs are in a resting state under physiological conditions and are only activated to play a functional role under stress conditions. This resting state affects their long-term survival and is also closely related to the lifelong maintenance of hematopoietic function; however, abnormal changes may also be an important factor leading to the decline of immune function in the body and the occurrence of diseases in various systems. While the importance of resting HSCs has attracted increasing research attention, our current understanding of this topic remains insufficient, and the direction of clinical targeted treatments is unclear. Here, we describe the functions of HSCs, analyze the regulatory mechanisms that affect their resting state, and discuss the relationship between resting HSCs and different diseases, with a view to providing guidance for the future clinical implementation of related targeted treatments.
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Affiliation(s)
- Xinyu Tang
- Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Zhenzhen Wang
- Department of Hematology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, No. 16369 Jingshi Road, Lixia District, Jinan, 250014, China
- Institute of Hematology, Shandong University of Traditional Chinese Medicine, Jinan, China
- Shandong Provincial Health Commission Key Laboratory of Hematology of Integrated Traditional Chinese and Western Medicine, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Jingyi Wang
- Department of Hematology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, No. 16369 Jingshi Road, Lixia District, Jinan, 250014, China
- Institute of Hematology, Shandong University of Traditional Chinese Medicine, Jinan, China
- Shandong Provincial Health Commission Key Laboratory of Hematology of Integrated Traditional Chinese and Western Medicine, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Siyuan Cui
- Department of Hematology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, No. 16369 Jingshi Road, Lixia District, Jinan, 250014, China
- Institute of Hematology, Shandong University of Traditional Chinese Medicine, Jinan, China
- Shandong Provincial Health Commission Key Laboratory of Hematology of Integrated Traditional Chinese and Western Medicine, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Ruirong Xu
- Department of Hematology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, No. 16369 Jingshi Road, Lixia District, Jinan, 250014, China.
- Institute of Hematology, Shandong University of Traditional Chinese Medicine, Jinan, China.
- Shandong Provincial Health Commission Key Laboratory of Hematology of Integrated Traditional Chinese and Western Medicine, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China.
| | - Yan Wang
- Department of Hematology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, No. 16369 Jingshi Road, Lixia District, Jinan, 250014, China.
- Institute of Hematology, Shandong University of Traditional Chinese Medicine, Jinan, China.
- Shandong Provincial Health Commission Key Laboratory of Hematology of Integrated Traditional Chinese and Western Medicine, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China.
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5
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Talwar D, Miller CG, Grossmann J, Szyrwiel L, Schwecke T, Demichev V, Mikecin Drazic AM, Mayakonda A, Lutsik P, Veith C, Milsom MD, Müller-Decker K, Mülleder M, Ralser M, Dick TP. The GAPDH redox switch safeguards reductive capacity and enables survival of stressed tumour cells. Nat Metab 2023; 5:660-676. [PMID: 37024754 PMCID: PMC10132988 DOI: 10.1038/s42255-023-00781-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Accepted: 03/09/2023] [Indexed: 04/08/2023]
Abstract
Glyceraldehyde 3-phosphate dehydrogenase (GAPDH) is known to contain an active-site cysteine residue undergoing oxidation in response to hydrogen peroxide, leading to rapid inactivation of the enzyme. Here we show that human and mouse cells expressing a GAPDH mutant lacking this redox switch retain catalytic activity but are unable to stimulate the oxidative pentose phosphate pathway and enhance their reductive capacity. Specifically, we find that anchorage-independent growth of cells and spheroids is limited by an elevation of endogenous peroxide levels and is largely dependent on a functional GAPDH redox switch. Likewise, tumour growth in vivo is limited by peroxide stress and suppressed when the GAPDH redox switch is disabled in tumour cells. The induction of additional intratumoural oxidative stress by chemo- or radiotherapy synergized with the deactivation of the GAPDH redox switch. Mice lacking the GAPDH redox switch exhibit altered fatty acid metabolism in kidney and heart, apparently in compensation for the lack of the redox switch. Together, our findings demonstrate the physiological and pathophysiological relevance of oxidative GAPDH inactivation in mammals.
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Affiliation(s)
- Deepti Talwar
- Division of Redox Regulation, DKFZ-ZMBH Alliance, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Colin G Miller
- Division of Redox Regulation, DKFZ-ZMBH Alliance, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Justus Grossmann
- Department of Biochemistry, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
| | - Lukasz Szyrwiel
- Department of Biochemistry, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
| | - Torsten Schwecke
- Department of Biochemistry, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
| | - Vadim Demichev
- Department of Biochemistry, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
| | - Ana-Matea Mikecin Drazic
- Division of Experimental Hematology, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM), Heidelberg, Germany
| | - Anand Mayakonda
- Division of Cancer Epigenomics, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Pavlo Lutsik
- Division of Cancer Epigenomics, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Laboratory of Computational Cancer Biology and Epigenomics, Department of Oncology, Catholic University (KU) Leuven, Leuven, Belgium
| | - Carmen Veith
- Division of Redox Regulation, DKFZ-ZMBH Alliance, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Michael D Milsom
- Division of Experimental Hematology, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM), Heidelberg, Germany
| | - Karin Müller-Decker
- Core Facility Tumor Models, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Michael Mülleder
- Core Facility High Throughput Mass Spectrometry, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany.
| | - Markus Ralser
- Department of Biochemistry, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany.
- The Wellcome Centre for Human Genetics, Nuffield Department of Medicine, University of Oxford, Oxford, UK.
| | - Tobias P Dick
- Division of Redox Regulation, DKFZ-ZMBH Alliance, German Cancer Research Center (DKFZ), Heidelberg, Germany.
- Faculty of Biosciences, Heidelberg University, Heidelberg, Germany.
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6
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Germon ZP, Sillar JR, Mannan A, Duchatel RJ, Staudt D, Murray HC, Findlay IJ, Jackson ER, McEwen HP, Douglas AM, McLachlan T, Schjenken JE, Skerrett-Byrne DA, Huang H, Melo-Braga MN, Plank MW, Alvaro F, Chamberlain J, De Iuliis G, Aitken RJ, Nixon B, Wei AH, Enjeti AK, Huang Y, Lock RB, Larsen MR, Lee H, Vaghjiani V, Cain JE, de Bock CE, Verrills NM, Dun MD. Blockade of ROS production inhibits oncogenic signaling in acute myeloid leukemia and amplifies response to precision therapies. Sci Signal 2023; 16:eabp9586. [PMID: 36976863 DOI: 10.1126/scisignal.abp9586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
Abstract
Mutations in the type III receptor tyrosine kinase FLT3 are frequent in patients with acute myeloid leukemia (AML) and are associated with a poor prognosis. AML is characterized by the overproduction of reactive oxygen species (ROS), which can induce cysteine oxidation in redox-sensitive signaling proteins. Here, we sought to characterize the specific pathways affected by ROS in AML by assessing oncogenic signaling in primary AML samples. The oxidation or phosphorylation of signaling proteins that mediate growth and proliferation was increased in samples from patient subtypes with FLT3 mutations. These samples also showed increases in the oxidation of proteins in the ROS-producing Rac/NADPH oxidase-2 (NOX2) complex. Inhibition of NOX2 increased the apoptosis of FLT3-mutant AML cells in response to FLT3 inhibitors. NOX2 inhibition also reduced the phosphorylation and cysteine oxidation of FLT3 in patient-derived xenograft mouse models, suggesting that decreased oxidative stress reduces the oncogenic signaling of FLT3. In mice grafted with FLT3 mutant AML cells, treatment with a NOX2 inhibitor reduced the number of circulating cancer cells, and combining FLT3 and NOX2 inhibitors increased survival to a greater extent than either treatment alone. Together, these data raise the possibility that combining NOX2 and FLT3 inhibitors could improve the treatment of FLT3 mutant AML.
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Affiliation(s)
- Zacary P Germon
- Cancer Signalling Research Group, School of Biomedical Sciences and Pharmacy, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW, Australia
- Precision Medicine Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
| | - Jonathan R Sillar
- Cancer Signalling Research Group, School of Biomedical Sciences and Pharmacy, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW, Australia
- Precision Medicine Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
- Department of Haematology, Calvary Mater Hospital, Waratah, NSW, Australia
| | - Abdul Mannan
- Cancer Signalling Research Group, School of Biomedical Sciences and Pharmacy, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW, Australia
- Precision Medicine Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
| | - Ryan J Duchatel
- Cancer Signalling Research Group, School of Biomedical Sciences and Pharmacy, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW, Australia
- Precision Medicine Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
| | - Dilana Staudt
- Cancer Signalling Research Group, School of Biomedical Sciences and Pharmacy, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW, Australia
- Precision Medicine Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
| | - Heather C Murray
- Cancer Signalling Research Group, School of Biomedical Sciences and Pharmacy, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW, Australia
- Precision Medicine Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
| | - Izac J Findlay
- Cancer Signalling Research Group, School of Biomedical Sciences and Pharmacy, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW, Australia
- Precision Medicine Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
| | - Evangeline R Jackson
- Cancer Signalling Research Group, School of Biomedical Sciences and Pharmacy, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW, Australia
- Precision Medicine Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
| | - Holly P McEwen
- Cancer Signalling Research Group, School of Biomedical Sciences and Pharmacy, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW, Australia
- Precision Medicine Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
| | - Alicia M Douglas
- Cancer Signalling Research Group, School of Biomedical Sciences and Pharmacy, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW, Australia
- Precision Medicine Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
| | - Tabitha McLachlan
- Cancer Signalling Research Group, School of Biomedical Sciences and Pharmacy, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW, Australia
- Precision Medicine Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
| | - John E Schjenken
- Priority Research Centre for Reproductive Science, School of Environmental and Life Sciences, College of Engineering, Science and Environment, University of Newcastle, Callaghan, NSW, Australia
| | - David A Skerrett-Byrne
- Priority Research Centre for Reproductive Science, School of Environmental and Life Sciences, College of Engineering, Science and Environment, University of Newcastle, Callaghan, NSW, Australia
| | - Honggang Huang
- Department of Molecular Biology and Biochemistry, Protein Research Group, University of Southern Denmark, Odense, Denmark
| | - Marcella N Melo-Braga
- Department of Molecular Biology and Biochemistry, Protein Research Group, University of Southern Denmark, Odense, Denmark
- Departamento de Bioquímica e Imunologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Maximilian W Plank
- Cancer Signalling Research Group, School of Biomedical Sciences and Pharmacy, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW, Australia
- GlaxoSmithKline, Abbotsford, Victoria, Australia
| | - Frank Alvaro
- Precision Medicine Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
- John Hunter Children's Hospital, New Lambton Heights, NSW, Australia
| | - Janis Chamberlain
- Precision Medicine Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
- John Hunter Children's Hospital, New Lambton Heights, NSW, Australia
| | - Geoff De Iuliis
- Priority Research Centre for Reproductive Science, School of Environmental and Life Sciences, College of Engineering, Science and Environment, University of Newcastle, Callaghan, NSW, Australia
| | - R John Aitken
- Priority Research Centre for Reproductive Science, School of Environmental and Life Sciences, College of Engineering, Science and Environment, University of Newcastle, Callaghan, NSW, Australia
| | - Brett Nixon
- Priority Research Centre for Reproductive Science, School of Environmental and Life Sciences, College of Engineering, Science and Environment, University of Newcastle, Callaghan, NSW, Australia
| | - Andrew H Wei
- Australian Centre for Blood Diseases, Monash University, Melbourne, VIC, Australia
| | - Anoop K Enjeti
- Cancer Signalling Research Group, School of Biomedical Sciences and Pharmacy, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW, Australia
- Precision Medicine Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
- Department of Haematology, Calvary Mater Hospital, Waratah, NSW, Australia
- NSW Health Pathology, John Hunter Hospital, New Lambton Heights, NSW, Australia
| | - Yizhou Huang
- Children's Cancer Institute, Lowy Cancer Centre, School of Women's and Children's Health, University of New South Wales Centre for Childhood Cancer Research, UNSW Sydney, Kensington, NSW, Australia
| | - Richard B Lock
- Children's Cancer Institute, Lowy Cancer Centre, School of Women's and Children's Health, University of New South Wales Centre for Childhood Cancer Research, UNSW Sydney, Kensington, NSW, Australia
| | - Martin R Larsen
- Department of Molecular Biology and Biochemistry, Protein Research Group, University of Southern Denmark, Odense, Denmark
| | - Heather Lee
- Cancer Signalling Research Group, School of Biomedical Sciences and Pharmacy, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW, Australia
- Precision Medicine Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
| | - Vijesh Vaghjiani
- Centre for Cancer Research, Hudson Institute of Medical Research, Clayton, VIC, Australia
- Department of Molecular and Translational Science, Monash University, Clayton, VIC, Australia
| | - Jason E Cain
- Centre for Cancer Research, Hudson Institute of Medical Research, Clayton, VIC, Australia
- Department of Molecular and Translational Science, Monash University, Clayton, VIC, Australia
| | - Charles E de Bock
- Children's Cancer Institute, Lowy Cancer Centre, School of Women's and Children's Health, University of New South Wales Centre for Childhood Cancer Research, UNSW Sydney, Kensington, NSW, Australia
| | - Nicole M Verrills
- Cancer Signalling Research Group, School of Biomedical Sciences and Pharmacy, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW, Australia
- Precision Medicine Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
| | - Matthew D Dun
- Cancer Signalling Research Group, School of Biomedical Sciences and Pharmacy, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW, Australia
- Precision Medicine Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
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7
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Combined scRNAseq and Bulk RNAseq Analysis to Reveal the Dual Roles of Oxidative Stress-Related Genes in Acute Myeloid Leukemia. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2023; 2023:5343746. [PMID: 36811020 PMCID: PMC9938912 DOI: 10.1155/2023/5343746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 10/14/2022] [Accepted: 10/17/2022] [Indexed: 02/11/2023]
Abstract
Background Oxidative stress (OS) can either lead to leukemogenesis or induce tumor cell death by inflammation and immune response accompanying the process of OS through chemotherapy. However, previous studies mainly focus on the level of OS state and the salient factors leading to tumorigenesis and progression of acute myeloid leukemia (AML), and nothing has been done to distinguish the OS-related genes with different functions. Method First, we downloaded single-cell RNA sequencing (scRNAseq) and bulk RNA sequencing (RNAseq) data from public databases and evaluated the oxidative stress functions between leukemia cells and normal cells by the ssGSEA algorithm. Then, we used machine learning methods to screen out OS gene set A related to the occurrence and prognosis of AML and OS gene set B related to treatment in leukemia stem cells (LSCs) like population (HSC-like). Furthermore, we screened out the hub genes in the above two gene sets and used them to identify molecular subclasses and construct a model for predicting therapy response. Results Leukemia cells have different OS functions compared to normal cells and significant OS functional changes before and after chemotherapy. Two different clusters in gene set A were identified, which showed different biological properties and clinical relevance. The sensitive model for predicting therapy response based on gene set B demonstrated predictive accuracy by ROC and internal validation. Conclusion We combined scRNAseq and bulk RNAseq data to construct two different transcriptomic profiles to reveal the different roles of OS-related genes involved in AML oncogenesis and chemotherapy resistance, which might provide important insights into the mechanism of OS-related genes in the pathogenesis and drug resistance of AML.
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8
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Al Khamici H, Sanchez VC, Yan H, Cataisson C, Michalowski AM, Yang HH, Li L, Lee MP, Huang J, Yuspa SH. The oxidoreductase CLIC4 is required to maintain mitochondrial function and resistance to exogenous oxidants in breast cancer cells. J Biol Chem 2022; 298:102275. [PMID: 35863434 PMCID: PMC9418444 DOI: 10.1016/j.jbc.2022.102275] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 06/01/2022] [Accepted: 06/02/2022] [Indexed: 02/07/2023] Open
Abstract
The chloride intracellular channel-4 (CLIC4) is one of the six highly conserved proteins in the CLIC family that share high structural homology with GST-omega in the GST superfamily. While CLIC4 is a multifunctional protein that resides in multiple cellular compartments, the discovery of its enzymatic glutaredoxin-like activity in vitro suggested that it could function as an antioxidant. Here, we found that deleting CLIC4 from murine 6DT1 breast tumor cells using CRISPR enhanced the accumulation of reactive oxygen species (ROS) and sensitized cells to apoptosis in response to H2O2 as a ROS-inducing agent. In intact cells, H2O2 increased the expression of both CLIC4 mRNA and protein. In addition, increased superoxide production in 6DT1 cells lacking CLIC4 was associated with mitochondrial hyperactivity including increased mitochondrial membrane potential and mitochondrial organelle enlargement. In the absence of CLIC4, however, H2O2-induced apoptosis was associated with low expression and degradation of the antiapoptotic mitochondrial protein Bcl2 and the negative regulator of mitochondrial ROS, UCP2. Furthermore, transcriptomic profiling of H2O2-treated control and CLIC4-null cells revealed upregulation of genes associated with ROS-induced apoptosis and downregulation of genes that sustain mitochondrial functions. Accordingly, tumors that formed from transplantation of CLIC4-deficient 6DT1 cells were highly necrotic. These results highlight a critical role for CLIC4 in maintaining redox-homeostasis and mitochondrial functions in 6DT1 cells. Our findings also raise the possibility of targeting CLIC4 to increase cancer cell sensitivity to chemotherapeutic drugs that are based on elevating ROS in cancer cells.
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Affiliation(s)
- Heba Al Khamici
- Laboratory of Cancer Biology and Genetics, Center for Cancer Research, National Cancer Center, National Institutes of Health. Bethesda, Maryland, USA
| | - Vanesa C Sanchez
- Office of Science, Division of Nonclinical Science, Center for Tobacco Products, U.S. Food and Drug Administration, Silver Spring, Maryland, USA
| | - Hualong Yan
- Laboratory of Cancer Biology and Genetics, Center for Cancer Research, National Cancer Center, National Institutes of Health. Bethesda, Maryland, USA
| | - Christophe Cataisson
- Laboratory of Cancer Biology and Genetics, Center for Cancer Research, National Cancer Center, National Institutes of Health. Bethesda, Maryland, USA
| | - Aleksandra M Michalowski
- Laboratory of Cancer Biology and Genetics, Center for Cancer Research, National Cancer Center, National Institutes of Health. Bethesda, Maryland, USA
| | - Howard H Yang
- Laboratory of Cancer Biology and Genetics, Center for Cancer Research, National Cancer Center, National Institutes of Health. Bethesda, Maryland, USA
| | - Luowei Li
- Laboratory of Cancer Biology and Genetics, Center for Cancer Research, National Cancer Center, National Institutes of Health. Bethesda, Maryland, USA
| | - Maxwell P Lee
- Laboratory of Cancer Biology and Genetics, Center for Cancer Research, National Cancer Center, National Institutes of Health. Bethesda, Maryland, USA
| | - Jing Huang
- Laboratory of Cancer Biology and Genetics, Center for Cancer Research, National Cancer Center, National Institutes of Health. Bethesda, Maryland, USA
| | - Stuart H Yuspa
- Laboratory of Cancer Biology and Genetics, Center for Cancer Research, National Cancer Center, National Institutes of Health. Bethesda, Maryland, USA.
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9
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Targeting Redox Regulation as a Therapeutic Opportunity against Acute Leukemia: Pro-Oxidant Strategy or Antioxidant Approach? Antioxidants (Basel) 2022; 11:antiox11091696. [PMID: 36139768 PMCID: PMC9495346 DOI: 10.3390/antiox11091696] [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: 05/26/2022] [Revised: 08/07/2022] [Accepted: 08/26/2022] [Indexed: 11/17/2022] Open
Abstract
Redox adaptation is essential for human health, as the physiological quantities of non-radical reactive oxygen species operate as the main second messengers to regulate normal redox reactions by controlling several sensors. An abnormal increase reactive oxygen species, called oxidative stress, induces biological injury. For this reason, variations in oxidative stress continue to receive consideration as a possible approach to treat leukemic diseases. However, the intricacy of redox reactions and their effects might be a relevant obstacle; consequently, and alongside approaches aimed at increasing oxidative stress in neoplastic cells, antioxidant strategies have also been suggested for the same purpose. The present review focuses on the molecular processes of anomalous oxidative stress in acute myeloid and acute lymphoblastic leukemias as well as on the oxidative stress-determined pathways implicated in leukemogenic development. Furthermore, we review the effect of chemotherapies on oxidative stress and the possibility that their pharmacological effects might be increased by modifying the intracellular redox equilibrium through a pro-oxidant approach or an antioxidant strategy. Finally, we evaluated the prospect of varying oxidative stress as an efficacious modality to destroy chemoresistant cells using new methodologies. Altering redox conditions may be advantageous for inhibiting genomic variability and the eradication of leukemic clones will promote the treatment of leukemic disease.
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10
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Menezes AC, Jones R, Shrestha A, Nicholson R, Leckenby A, Azevedo A, Davies S, Baker S, Gilkes AF, Darley RL, Tonks A. Increased expression of RUNX3 inhibits normal human myeloid development. Leukemia 2022; 36:1769-1780. [PMID: 35490198 PMCID: PMC9252899 DOI: 10.1038/s41375-022-01577-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 04/09/2022] [Accepted: 04/12/2022] [Indexed: 12/28/2022]
Abstract
RUNX3 is a transcription factor dysregulated in acute myeloid leukemia (AML). However, its role in normal myeloid development and leukemia is poorly understood. Here we investigate RUNX3 expression in both settings and the impact of its dysregulation on myelopoiesis. We found that RUNX3 mRNA expression was stable during hematopoiesis but decreased with granulocytic differentiation. In AML, RUNX3 mRNA was overexpressed in many disease subtypes, but downregulated in AML with core binding factor abnormalities, such as RUNX1::ETO. Overexpression of RUNX3 in human hematopoietic stem and progenitor cells (HSPC) inhibited myeloid differentiation, particularly of the granulocytic lineage. Proliferation and myeloid colony formation were also inhibited. Conversely, RUNX3 knockdown did not impact the myeloid growth and development of human HSPC. Overexpression of RUNX3 in the context of RUNX1::ETO did not rescue the RUNX1::ETO-mediated block in differentiation. RNA-sequencing showed that RUNX3 overexpression downregulates key developmental genes, such as KIT and RUNX1, while upregulating lymphoid genes, such as KLRB1 and TBX21. Overall, these data show that increased RUNX3 expression observed in AML could contribute to the developmental arrest characteristic of this disease, possibly by driving a competing transcriptional program favoring a lymphoid fate.
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Affiliation(s)
- Ana Catarina Menezes
- Department of Haematology, Division of Cancer & Genetics, School of Medicine, Cardiff University, Cardiff, CF14 4XN, UK
| | - Rachel Jones
- Department of Haematology, Division of Cancer & Genetics, School of Medicine, Cardiff University, Cardiff, CF14 4XN, UK
| | - Alina Shrestha
- Department of Haematology, Division of Cancer & Genetics, School of Medicine, Cardiff University, Cardiff, CF14 4XN, UK
| | - Rachael Nicholson
- Department of Haematology, Division of Cancer & Genetics, School of Medicine, Cardiff University, Cardiff, CF14 4XN, UK
| | - Adam Leckenby
- Department of Haematology, Division of Cancer & Genetics, School of Medicine, Cardiff University, Cardiff, CF14 4XN, UK
| | - Aleksandra Azevedo
- Department of Haematology, Division of Cancer & Genetics, School of Medicine, Cardiff University, Cardiff, CF14 4XN, UK
| | - Sara Davies
- Department of Haematology, Division of Cancer & Genetics, School of Medicine, Cardiff University, Cardiff, CF14 4XN, UK
| | - Sarah Baker
- Department of Haematology, Division of Cancer & Genetics, School of Medicine, Cardiff University, Cardiff, CF14 4XN, UK
- Cardiff Experimental Cancer Medicine Centre (ECMC), School of Medicine, Cardiff University, Cardiff, CF14 4XN, UK
| | - Amanda F Gilkes
- Department of Haematology, Division of Cancer & Genetics, School of Medicine, Cardiff University, Cardiff, CF14 4XN, UK
- Cardiff Experimental Cancer Medicine Centre (ECMC), School of Medicine, Cardiff University, Cardiff, CF14 4XN, UK
| | - Richard L Darley
- Department of Haematology, Division of Cancer & Genetics, School of Medicine, Cardiff University, Cardiff, CF14 4XN, UK
| | - Alex Tonks
- Department of Haematology, Division of Cancer & Genetics, School of Medicine, Cardiff University, Cardiff, CF14 4XN, UK.
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11
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The BCAT1 CXXC Motif Provides Protection against ROS in Acute Myeloid Leukaemia Cells. Antioxidants (Basel) 2022; 11:antiox11040683. [PMID: 35453368 PMCID: PMC9030579 DOI: 10.3390/antiox11040683] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 03/23/2022] [Accepted: 03/28/2022] [Indexed: 01/15/2023] Open
Abstract
The cytosolic branched-chain aminotransferase (BCAT1) has received attention for its role in myeloid leukaemia development, where studies indicate metabolic adaptations due to BCAT1 up-regulation. BCAT1, like the mitochondria isoform (BCAT2), shares a conserved CXXC motif ~10 Å from the active site. This CXXC motif has been shown to act as a ‘redox-switch’ in the enzymatic regulation of the BCAT proteins, however the response to reactive oxygen species (ROS) differs between BCAT isoforms. Studies indicate that the BCAT1 CXXC motif is several orders of magnitude less sensitive to the effects of ROS compared with BCAT2. Moreover, estimation of the reduction mid-point potential of BCAT1, indicates that BCAT1 is more reductive in nature and may possess antioxidant properties. Therefore, the aim of this study was to further characterise the BCAT1 CXXC motif and evaluate its role in acute myeloid leukaemia. Our biochemical analyses show that purified wild-type (WT) BCAT1 protein could metabolise H2O2 in vitro, whereas CXXC motif mutant or WT BCAT2 could not, demonstrating for the first time a novel antioxidant role for the BCAT1 CXXC motif. Transformed U937 AML cells over-expressing WT BCAT1, showed lower levels of intracellular ROS compared with cells over-expressing the CXXC motif mutant (CXXS) or Vector Controls, indicating that the BCAT1 CXXC motif may buffer intracellular ROS, impacting on cell proliferation. U937 AML cells over-expressing WT BCAT1 displayed less cellular differentiation, as observed by a reduction of the myeloid markers; CD11b, CD14, CD68, and CD36. This finding suggests a role for the BCAT1 CXXC motif in cell development, which is an important pathological feature of myeloid leukaemia, a disease characterised by a block in myeloid differentiation. Furthermore, WT BCAT1 cells were more resistant to apoptosis compared with CXXS BCAT1 cells, an important observation given the role of ROS in apoptotic signalling and myeloid leukaemia development. Since CD36 has been shown to be Nrf2 regulated, we investigated the expression of the Nrf2 regulated gene, TrxRD1. Our data show that the expression of TrxRD1 was downregulated in transformed U937 AML cells overexpressing WT BCAT1, which taken with the reduction in CD36 implicates less Nrf2 activation. Therefore, this finding may implicate the BCAT1 CXXC motif in wider cellular redox-mediated processes. Altogether, this study provides the first evidence to suggest that the BCAT1 CXXC motif may contribute to the buffering of ROS levels inside AML cells, which may impact ROS-mediated processes in the development of myeloid leukaemia.
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12
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Menezes AC, Dixon C, Scholz A, Nicholson R, Leckenby A, Azevedo A, Baker S, Gilkes AF, Davies S, Darley RL, Tonks A. RUNX3 overexpression inhibits normal human erythroid development. Sci Rep 2022; 12:1243. [PMID: 35075235 PMCID: PMC8786893 DOI: 10.1038/s41598-022-05371-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 01/11/2022] [Indexed: 12/13/2022] Open
Abstract
RUNX proteins belong to a family of transcription factors essential for cellular proliferation, differentiation, and apoptosis with emerging data implicating RUNX3 in haematopoiesis and haematological malignancies. Here we show that RUNX3 plays an important regulatory role in normal human erythropoiesis. The impact of altering RUNX3 expression on erythropoiesis was determined by transducing human CD34+ cells with RUNX3 overexpression or shRNA knockdown vectors. Analysis of RUNX3 mRNA expression showed that RUNX3 levels decreased during erythropoiesis. Functionally, RUNX3 overexpression had a modest impact on early erythroid growth and development. However, in late-stage erythroid development, RUNX3 promoted growth and inhibited terminal differentiation with RUNX3 overexpressing cells exhibiting lower expression of glycophorin A, greater cell size and less differentiated morphology. These results suggest that suppression of RUNX3 is required for normal erythropoiesis. Overexpression of RUNX3 increased colony formation in liquid culture whilst, corresponding RUNX3 knockdown suppressed colony formation but otherwise had little impact. This study demonstrates that the downregulation of RUNX3 observed in normal human erythropoiesis is important in promoting the terminal stages of erythroid development and may further our understanding of the role of this transcription factor in haematological malignancies.
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Affiliation(s)
- Ana Catarina Menezes
- Division of Cancer & Genetics, Department of Haematology, School of Medicine, Cardiff University, Cardiff, Wales, CF14 4XN, UK
| | - Christabel Dixon
- Division of Cancer & Genetics, Department of Haematology, School of Medicine, Cardiff University, Cardiff, Wales, CF14 4XN, UK
| | - Anna Scholz
- Division of Cancer & Genetics, Department of Haematology, School of Medicine, Cardiff University, Cardiff, Wales, CF14 4XN, UK
| | - Rachael Nicholson
- Division of Cancer & Genetics, Department of Haematology, School of Medicine, Cardiff University, Cardiff, Wales, CF14 4XN, UK
| | - Adam Leckenby
- Division of Cancer & Genetics, Department of Haematology, School of Medicine, Cardiff University, Cardiff, Wales, CF14 4XN, UK
| | - Aleksandra Azevedo
- Division of Cancer & Genetics, Department of Haematology, School of Medicine, Cardiff University, Cardiff, Wales, CF14 4XN, UK
| | - Sarah Baker
- Division of Cancer & Genetics, Department of Haematology, School of Medicine, Cardiff University, Cardiff, Wales, CF14 4XN, UK.,Cardiff Experimental Cancer Medicine Centre (ECMC), School of Medicine, Cardiff University, Cardiff, CF14 4XN, UK
| | - Amanda F Gilkes
- Division of Cancer & Genetics, Department of Haematology, School of Medicine, Cardiff University, Cardiff, Wales, CF14 4XN, UK.,Cardiff Experimental Cancer Medicine Centre (ECMC), School of Medicine, Cardiff University, Cardiff, CF14 4XN, UK
| | - Sara Davies
- Division of Cancer & Genetics, Department of Haematology, School of Medicine, Cardiff University, Cardiff, Wales, CF14 4XN, UK
| | - Richard L Darley
- Division of Cancer & Genetics, Department of Haematology, School of Medicine, Cardiff University, Cardiff, Wales, CF14 4XN, UK
| | - Alex Tonks
- Division of Cancer & Genetics, Department of Haematology, School of Medicine, Cardiff University, Cardiff, Wales, CF14 4XN, UK.
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13
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Sun Y, Liu X, Wang L, Xu L, Liu K, Xu L, Shi F, Zhang Y, Gu N, Xiong F. High-performance SOD mimetic enzyme Au@Ce for arresting cell cycle and proliferation of acute myeloid leukemia. Bioact Mater 2021; 10:117-130. [PMID: 34901534 PMCID: PMC8637344 DOI: 10.1016/j.bioactmat.2021.08.012] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 08/10/2021] [Accepted: 08/10/2021] [Indexed: 12/26/2022] Open
Abstract
SOD-like activity of CeO2 nanoparticles (Ce NPs) is driven by Ce3+/Ce4+, high oxidative stress can oxidize Ce3+ to reduce the ratio of Ce3+/Ce4+, inactivating the SOD activity of Ce NPs. Herein, we found Au@Ce NPs, assembled by Au NPs and Ce NPs, exhibited high-performance of SOD mimetic enzyme activity even upon the oxidation of H2O2. Ce NPs supported by nano-Au can acquire the electrons from Au NPs through the enhanced localized surface plasmon resonance (LSPR), maintaining the stability of Ce3+/Ce4+ and SOD-like activity. Meanwhile, Au@Ce NPs retained the peroxidase function and catalase function. As a result, Au@Ce NPs effectively scavenged O2•- and the derived ROS in AML cells, which are the important signaling source that drives AML cell proliferation and accelerates cell cycle progression. When HL-60 cells were treated by Au@Ce NPs, the removal of endogenous ROS signal significantly arrested cell cycle at G1 phase and suppressed the cell proliferation by blocking the mitogen-activated protein kinases (MAPKs) signaling and the Akt/Cyclin D1 cell cycle signaling. Importantly, this treatment strategy showed therapeutic effect for subcutaneous transplantation of AML model as well as a satisfactory result in diminishing the leukocyte infiltration of liver and spleen particularly. Thus, assembled Au@Ce NPs show the high-performance SOD-like activity, promising the potential in treating AML and regulating abnormal ROS in other diseases safely and efficiently. Assembled Au@Ce NPs exhibited multi-enzyme activity and the high-performance SOD-like activity even upon the oxidation of H2O2. In the assembled Au@Ce NPs, Ce NPs can acquire the electrons from Au NPs to maintain the stability of Ce3+/Ce4+ and SOD activity. Au@Ce can scavenge O2•- and the derived ROS in AML cells to arrest cell cycle signal and proliferation signal. Au@Ce treatment suppressed the growth of HL-60 bearing tumors and prolonged the survival time in systemic AML mice.
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Affiliation(s)
- Yuxiang Sun
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering & Collaborative Innovation Center of Suzhou Nano-Science and Technology, Southeast University, Nanjing, 210096, PR China
| | - Xin Liu
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering & Collaborative Innovation Center of Suzhou Nano-Science and Technology, Southeast University, Nanjing, 210096, PR China
| | - Lei Wang
- Department of Gastroenterology, Nanjing Drum Tower Hospital, Affiliated Hospital of Nanjing University Medical School, Nanjing University, Nanjing, PR China
| | - Li Xu
- Jiangsu Key Laboratory of Molecular Medicine, Medical School of Nanjing University, Nanjing, 210093, PR China
| | - Kunliang Liu
- Department of Research and Development, Jinan Guoke Medical Technology Development Co., Ltd., Address: No. 1, Gangxing 3rd Road, High-tech Industrial Development Zone, Jinan City, Shandong Province, 250013, PR China
| | - Lei Xu
- Department of Gastroenterology, Nanjing Drum Tower Hospital, Affiliated Hospital of Nanjing University Medical School, Nanjing University, Nanjing, PR China
| | - Fangfang Shi
- Department of Oncology, Zhongda Hospital, Southeast University, Nanjing 210009, China
| | - Yu Zhang
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering & Collaborative Innovation Center of Suzhou Nano-Science and Technology, Southeast University, Nanjing, 210096, PR China
| | - Ning Gu
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering & Collaborative Innovation Center of Suzhou Nano-Science and Technology, Southeast University, Nanjing, 210096, PR China
| | - Fei Xiong
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering & Collaborative Innovation Center of Suzhou Nano-Science and Technology, Southeast University, Nanjing, 210096, PR China
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14
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Reactive Oxygen Species in Acute Lymphoblastic Leukaemia: Reducing Radicals to Refine Responses. Antioxidants (Basel) 2021; 10:antiox10101616. [PMID: 34679751 PMCID: PMC8533157 DOI: 10.3390/antiox10101616] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 10/07/2021] [Accepted: 10/09/2021] [Indexed: 12/27/2022] Open
Abstract
Acute lymphoblastic leukaemia (ALL) is the most common cancer diagnosed in children and adolescents. Approximately 70% of patients survive >5-years following diagnosis, however, for those that fail upfront therapies, survival is poor. Reactive oxygen species (ROS) are elevated in a range of cancers and are emerging as significant contributors to the leukaemogenesis of ALL. ROS modulate the function of signalling proteins through oxidation of cysteine residues, as well as promote genomic instability by damaging DNA, to promote chemotherapy resistance. Current therapeutic approaches exploit the pro-oxidant intracellular environment of malignant B and T lymphoblasts to cause irreversible DNA damage and cell death, however these strategies impact normal haematopoiesis and lead to long lasting side-effects. Therapies suppressing ROS production, especially those targeting ROS producing enzymes such as the NADPH oxidases (NOXs), are emerging alternatives to treat cancers and may be exploited to improve the ALL treatment. Here, we discuss the roles that ROS play in normal haematopoiesis and in ALL. We explore the molecular mechanisms underpinning overproduction of ROS in ALL, and their roles in disease progression and drug resistance. Finally, we examine strategies to target ROS production, with a specific focus on the NOX enzymes, to improve the treatment of ALL.
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15
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Mushtaq U, Bashir M, Nabi S, Khanday FA. Epidermal growth factor receptor and integrins meet redox signaling through P66shc and Rac1. Cytokine 2021; 146:155625. [PMID: 34157521 DOI: 10.1016/j.cyto.2021.155625] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Revised: 05/23/2021] [Accepted: 06/08/2021] [Indexed: 12/24/2022]
Abstract
This review examines the concerted role of Epidermal Growth Factor Receptor (EGFR) and integrins in regulating Reactive oxygen species (ROS) production through different signaling pathways. ROS as such are not always deleterious to the cells but they also act as signaling molecules, that regulates numerous indespensible physiological fuctions of life. Many adaptor proteins, particularly Shc and Grb2, are involved in mediating the downstream signaling pathways stimulated by EGFR and integrins. Integrin-induced activation of EGFR and subsequent tyrosine phosphorylation of a class of acceptor sites on EGFR leads to alignment and tyrosine phosphorylation of Shc, PLCγ, the p85 subunit of PI-3 K, and Cbl, followed by activation of the downstream targets Erk and Akt/PKB. Functional interactions between these receptors result in the activation of Rac1 via these adaptor proteins, thereby leading to Reactive Oxygen Species. Both GF and integrin activation can produce oxidants independently, however synergistically there is increased ROS generation, suggesting a mutual cooperation between integrins and GFRs for redox signalling. The ROS produced further promotes feed-forward stimulation of redox signaling events such as MAPK activation and gene expression. This relationship has not been reviewed previously. The literature presented here can have multiple implications, ranging from looking at synergistic effects of integrin and EGFR mediated signaling mechanisms of different proteins to possible therapeutic interventions operated by these two receptors. Furthermore, such mutual redox regulation of crosstalk between EGFR and integrins not only add to the established models of pathological oxidative stress, but also can impart new avenues and opportunities for targeted antioxidant based therapeutics.
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Affiliation(s)
- Umar Mushtaq
- Department of Biotechnology, University of Kashmir, Srinagar, JK 190006, India; Department of Biotechnology, Central University of Kashmir, Ganderbal, JK 191201, India
| | - Muneesa Bashir
- Department of Biotechnology, University of Kashmir, Srinagar, JK 190006, India; Department of Higher Education, Government of Jammu & Kashmir, 190001, India
| | - Sumaiya Nabi
- Department of Biochemistry, University of Kashmir, Srinagar, JK 190006, India
| | - Firdous A Khanday
- Department of Biotechnology, University of Kashmir, Srinagar, JK 190006, India.
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16
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Redox Control in Acute Lymphoblastic Leukemia: From Physiology to Pathology and Therapeutic Opportunities. Cells 2021; 10:cells10051218. [PMID: 34067520 PMCID: PMC8155968 DOI: 10.3390/cells10051218] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 05/04/2021] [Accepted: 05/13/2021] [Indexed: 02/07/2023] Open
Abstract
Acute lymphoblastic leukemia (ALL) is a hematological malignancy originating from B- or T-lymphoid progenitor cells. Recent studies have shown that redox dysregulation caused by overproduction of reactive oxygen species (ROS) has an important role in the development and progression of leukemia. The application of pro-oxidant therapy, which targets redox dysregulation, has achieved satisfactory results in alleviating the conditions of and improving the survival rate for patients with ALL. However, drug resistance and side effects are two major challenges that must be addressed in pro-oxidant therapy. Oxidative stress can activate a variety of antioxidant mechanisms to help leukemia cells escape the damage caused by pro-oxidant drugs and develop drug resistance. Hematopoietic stem cells (HSCs) are extremely sensitive to oxidative stress due to their low levels of differentiation, and the use of pro-oxidant drugs inevitably causes damage to HSCs and may even cause severe bone marrow suppression. In this article, we reviewed research progress regarding the generation and regulation of ROS in normal HSCs and ALL cells as well as the impact of ROS on the biological behavior and fate of cells. An in-depth understanding of the regulatory mechanisms of redox homeostasis in normal and malignant HSCs is conducive to the formulation of rational targeted treatment plans to effectively reduce oxidative damage to normal HSCs while eradicating ALL cells.
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17
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Robinson AJ, Darley RL, Tonks A. Reactive oxygen species in leukemias: maintaining cancer cell proliferation via redox signaling and changing metabolic homeostasis. Oncotarget 2021; 12:952-954. [PMID: 34012508 PMCID: PMC8121615 DOI: 10.18632/oncotarget.27913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Indexed: 11/30/2022] Open
Affiliation(s)
| | | | - Alex Tonks
- Correspondence to:Alex Tonks, Department of Haematology, Division of Cancer & Genetics, School of Medicine, Cardiff University, Wales, UK emailemail
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18
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Vostrikova SM, Grinev AB, Gogvadze VG. Reactive Oxygen Species and Antioxidants in Carcinogenesis and Tumor Therapy. BIOCHEMISTRY (MOSCOW) 2021; 85:1254-1266. [PMID: 33202210 DOI: 10.1134/s0006297920100132] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Strictly regulated balance between the formation and utilization of reactive oxygen species (ROS) is the basis of normal functioning of organisms. ROS play an important role in the regulation of many metabolic processes; however, excessive content of ROS leads to the development of various disorders, including oncological diseases, as a result of ROS-induced mutations in DNA. In tumors, high levels of oxygen radicals promote cell proliferation and metastasis. On the other hand, high content of ROS can trigger cell death, a phenomenon used in the antitumor therapy. Water- and lipid-soluble antioxidants, as well as antioxidant enzyme systems, can inhibit ROS generation; however, they should be used with caution. Antioxidants can suppress ROS-dependent cell proliferation and metastasis, but at the same time, they may inhibit the death of tumor cells if the antitumor therapeutic agents stimulate oxidative stress. The data on the role of antioxidants in the death of tumor cells and on the effects of antioxidants taken as dietary supplements during antitumor therapy, are contradictory. This review focuses on the mechanisms by which antioxidants can affect tumor and healthy cells.
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Affiliation(s)
- S M Vostrikova
- Faculty of Medicine, Lomonosov Moscow State University, Moscow, 119192, Russia.,I. M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University), Moscow, 119991, Russia
| | - A B Grinev
- I. M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University), Moscow, 119991, Russia
| | - V G Gogvadze
- Faculty of Medicine, Lomonosov Moscow State University, Moscow, 119192, Russia. .,Division of Toxicology, Institute of Environmental Medicine, Karolinska Institute, Stockholm, 171 77, Sweden
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19
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Robinson AJ, Davies S, Darley RL, Tonks A. Reactive Oxygen Species Rewires Metabolic Activity in Acute Myeloid Leukemia. Front Oncol 2021; 11:632623. [PMID: 33777786 PMCID: PMC7993200 DOI: 10.3389/fonc.2021.632623] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 02/02/2021] [Indexed: 12/19/2022] Open
Abstract
Acute myeloid leukemia (AML) is a heterogeneous disease with poor clinical outcomes. We have previously shown that constitutive activation of NADPH oxidase 2 (NOX2), resulting in over-production of reactive oxygen species (ROS), occurs in over 60% of AML patients. We have also shown that increased ROS production promotes increased glucose uptake and proliferation in AML cells, mediated by changes in carbohydrate metabolism. Given that carbohydrate, lipid, and protein metabolisms are all intricately interconnected, we aimed to examine the effect of cellular ROS levels on these pathways and establish further evidence that ROS rewires metabolism in AML. We carried out metabolomic profiling of AML cell lines in which NOX2-derived ROS production was inhibited and conversely in cells treated with exogenous H2O2. We report significant ROS-specific metabolic alterations in sphingolipid metabolism, fatty acid oxidation, purine metabolism, amino acid homeostasis and glycolysis. These data provide further evidence of ROS directed metabolic changes in AML and the potential for metabolic targeting as novel therapeutic arm to combat this disease.
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Affiliation(s)
| | | | | | - Alex Tonks
- Department of Haematology, Division of Cancer & Genetics, School of Medicine, Cardiff University, Cardiff, United Kingdom
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20
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Purohit V, Wang L, Yang H, Li J, Ney GM, Gumkowski ER, Vaidya AJ, Wang A, Bhardwaj A, Zhao E, Dolgalev I, Zamperone A, Abel EV, Magliano MPD, Crawford HC, Diolaiti D, Papagiannakopoulos TY, Lyssiotis CA, Simeone DM. ATDC binds to KEAP1 to drive NRF2-mediated tumorigenesis and chemoresistance in pancreatic cancer. Genes Dev 2021; 35:218-233. [PMID: 33446568 PMCID: PMC7849366 DOI: 10.1101/gad.344184.120] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Accepted: 11/25/2020] [Indexed: 01/04/2023]
Abstract
Pancreatic ductal adenocarcinoma is a lethal disease characterized by late diagnosis, propensity for early metastasis and resistance to chemotherapy. Little is known about the mechanisms that drive innate therapeutic resistance in pancreatic cancer. The ataxia-telangiectasia group D-associated gene (ATDC) is overexpressed in pancreatic cancer and promotes tumor growth and metastasis. Our study reveals that increased ATDC levels protect cancer cells from reactive oxygen species (ROS) via stabilization of nuclear factor erythroid 2-related factor 2 (NRF2). Mechanistically, ATDC binds to Kelch-like ECH-associated protein 1 (KEAP1), the principal regulator of NRF2 degradation, and thereby prevents degradation of NRF2 resulting in activation of a NRF2-dependent transcriptional program, reduced intracellular ROS and enhanced chemoresistance. Our findings define a novel role of ATDC in regulating redox balance and chemotherapeutic resistance by modulating NRF2 activity.
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Affiliation(s)
- Vinee Purohit
- Perlmutter Cancer Center, New York University, New York, New York 10016, USA
| | - Lidong Wang
- Perlmutter Cancer Center, New York University, New York, New York 10016, USA
| | - Huibin Yang
- Department of Radiation Oncology, University of Michigan Health System, Ann Arbor, Michigan 48109, USA
| | - Jiufeng Li
- Perlmutter Cancer Center, New York University, New York, New York 10016, USA
| | - Gina M Ney
- Department of Pediatric Oncology, University of Michigan Health System, Ann Arbor, Michigan 48109, USA
| | - Erica R Gumkowski
- Department of Molecular and Integrative Physiology, University of Michigan Health System, Ann Arbor, Michigan 48109, USA
| | - Akash J Vaidya
- Department of Molecular and Integrative Physiology, University of Michigan Health System, Ann Arbor, Michigan 48109, USA
| | - Annie Wang
- Perlmutter Cancer Center, New York University, New York, New York 10016, USA
- Department of Surgery, New York University, New York, New York 10016, USA
| | - Amit Bhardwaj
- Perlmutter Cancer Center, New York University, New York, New York 10016, USA
| | - Ende Zhao
- Perlmutter Cancer Center, New York University, New York, New York 10016, USA
| | - Igor Dolgalev
- Perlmutter Cancer Center, New York University, New York, New York 10016, USA
| | - Andrea Zamperone
- Perlmutter Cancer Center, New York University, New York, New York 10016, USA
| | - Ethan V Abel
- Department of Molecular and Integrative Physiology, University of Michigan Health System, Ann Arbor, Michigan 48109, USA
| | - Marina Pasca Di Magliano
- Department of Surgery, University of Michigan Health System, Ann Arbor, Michigan 48109, USA
- Department of Cell and Developmental Biology, University of Michigan Health System, Ann Arbor, Michigan 48109, USA
| | - Howard C Crawford
- Department of Molecular and Integrative Physiology, University of Michigan Health System, Ann Arbor, Michigan 48109, USA
- Department of Internal Medicine, University of Michigan Health System, Ann Arbor, Michigan 48109, USA
| | - Daniel Diolaiti
- Perlmutter Cancer Center, New York University, New York, New York 10016, USA
| | - Thales Y Papagiannakopoulos
- Perlmutter Cancer Center, New York University, New York, New York 10016, USA
- Department of Pathology, New York University, New York, New York 10016, USA
| | - Costas A Lyssiotis
- Department of Molecular and Integrative Physiology, University of Michigan Health System, Ann Arbor, Michigan 48109, USA
- Department of Internal Medicine, University of Michigan Health System, Ann Arbor, Michigan 48109, USA
| | - Diane M Simeone
- Perlmutter Cancer Center, New York University, New York, New York 10016, USA
- Department of Surgery, New York University, New York, New York 10016, USA
- Department of Pathology, New York University, New York, New York 10016, USA
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21
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Azelaic Acid Exerts Antileukemia Effects against Acute Myeloid Leukemia by Regulating the Prdxs/ROS Signaling Pathway. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:1295984. [PMID: 33425206 PMCID: PMC7775164 DOI: 10.1155/2020/1295984] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 11/26/2020] [Accepted: 12/10/2020] [Indexed: 12/15/2022]
Abstract
Acute myeloid leukemia (AML) is a hematological malignancy with a poor prognosis attributed to elevated reactive oxygen species (ROS) levels. Thus, agents that inhibit ROS generation in AML should be exploited. Azelaic acid (AZA), a small molecular compound, can scavenge ROS and other free radicals, exerting antitumor effects on various tumor cells. Herein, this study evaluated the antileukemic activity of AZA against AML via regulation of the ROS signaling pathway. We found that AZA reduced intracellular ROS levels and increased total antioxidant capacity in AML cell lines and AML patient cells. AZA suppressed the proliferation of AML cell lines and AML patient cells, expending minimal cytotoxicity on healthy cells. Laser confocal microscopy showed that AZA-treated AML cells surged and ruptured gradually on microfluidic chips. Additionally, AZA promoted AML cell apoptosis and arrested the cell cycle at the G1 phase. Further analysis demonstrated that peroxiredoxin (Prdx) 2 and Prdx3 were upregulated in AZA-treated AML cells. In vivo, AZA prolonged survival and attenuated AML by decreasing CD33+ immunophenotyping in the bone marrow of a patient-derived xenograft AML model. Furthermore, mice in the AZA-treated group had an increased antioxidant capacity and Prdx2/Prdx3 upregulation. The findings indicate that AZA may be a potential agent against AML by regulating the Prdxs/ROS signaling pathway.
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22
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Kaweme NM, Zhou S, Changwe GJ, Zhou F. The significant role of redox system in myeloid leukemia: from pathogenesis to therapeutic applications. Biomark Res 2020; 8:63. [PMID: 33292641 PMCID: PMC7661181 DOI: 10.1186/s40364-020-00242-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Accepted: 10/29/2020] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Excessive generation of reactive oxygen species (ROS) in the presence of a defective antioxidant system can induce cellular damage and disrupt normal physiological functions. Several studies have revealed the unfavorable role of ROS in promoting the growth, proliferation, migration, and survival of leukemia cells. In this review study, we summarize the mechanisms of ROS production and its role in leukemogenesis, counteractive effects of antioxidants, and implicate the current ROS-dependent anticancer therapies in acute myeloid leukemia. BODY: The dysregulation of the redox system is known to play a significant role in the pathogenesis of leukemia. Leukemia cells generate high levels of ROS, which further increases the levels through extra pathways, including mitochondrial deoxyribonucleic mutation, leukemic oncogene activation, increased nicotinamide adenine phosphate hydrogen (NADPH), and cytochrome P450 activities. Aforementioned pathways once activated have shown to promote genomic instability, induce drug resistance to leukemia medical therapy, disease relapse and reduce survival period. The current standard of treatment with chemotherapy employs the pro-oxidant approach to induce apoptosis and promote tumor regression. However, this approach retains several deleterious effects on the subject resulting in degradation of the quality of life. Nevertheless, the addition of an antioxidant as an adjuvant drug to chemotherapy alleviates treatment-related toxicity, increases chemotherapeutic efficacy, and improves survival rates of a patient. CONCLUSION Acute myeloid leukemia remains a daunting challenge to clinicians. The desire to achieve the maximum benefit of chemotherapy but also improve patient outcomes is investigated. ROS generated through several pathways promotes leukemogenesis, drug resistance, and disease relapse. Chemotherapy, the mainstay of treatment, further upregulates ROS levels. Therefore, the addition of an antioxidant to leukemia medical therapy alleviates toxicity and improves patient outcomes.
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Affiliation(s)
- Natasha Mupeta Kaweme
- Department of Hematology, Zhongnan Hospital affiliated to Wuhan University, No. 169 Donghu road, 430071, Wuhan, P.R. China
| | - Shu Zhou
- Department of Hematology, Zhongnan Hospital affiliated to Wuhan University, No. 169 Donghu road, 430071, Wuhan, P.R. China
| | - Geoffrey Joseph Changwe
- School of Medicine, Shandong University, No. 44, Wenhua West Road, Jinan, 250012, P.R. China
| | - Fuling Zhou
- Department of Hematology, Zhongnan Hospital affiliated to Wuhan University, No. 169 Donghu road, 430071, Wuhan, P.R. China.
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23
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Nair R, Salinas-Illarena A, Baldauf HM. New strategies to treat AML: novel insights into AML survival pathways and combination therapies. Leukemia 2020; 35:299-311. [PMID: 33122849 DOI: 10.1038/s41375-020-01069-1] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Accepted: 10/13/2020] [Indexed: 12/14/2022]
Abstract
The effective treatment of acute myeloid leukemia (AML) is very challenging. Due to the immense heterogeneity of this disease, treating it using a "one size fits all" approach is ineffective and only benefits a subset of patients. Instead, there is a shift towards more personalized treatment based on the patients' genomic signature. This shift has facilitated the increased revelation of novel insights into pathways that lead to the survival and propagation of AML cells. These AML survival pathways are involved in drug resistance, evasion of the immune system, reprogramming metabolism, and impairing differentiation. In addition, based on the reports of enhanced clinical efficiencies when combining drugs or treatments, deeper investigation into possible pathways, which can be targeted together to increase treatment response in a wider group of patients, is warranted. In this review, not only is a comprehensive summary of targets involved in these pathways provided, but also insights into the potential of targeting these molecules in combination therapy will be discussed.
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Affiliation(s)
- Ramya Nair
- Max von Pettenkofer Institute & Gene Center, Virology, National Reference Center for Retroviruses, Faculty of Medicine, LMU München, Munich, Germany
| | - Alejandro Salinas-Illarena
- Max von Pettenkofer Institute & Gene Center, Virology, National Reference Center for Retroviruses, Faculty of Medicine, LMU München, Munich, Germany
| | - Hanna-Mari Baldauf
- Max von Pettenkofer Institute & Gene Center, Virology, National Reference Center for Retroviruses, Faculty of Medicine, LMU München, Munich, Germany.
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24
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DNA damage response and preleukemic fusion genes induced by ionizing radiation in umbilical cord blood hematopoietic stem cells. Sci Rep 2020; 10:13722. [PMID: 32839487 PMCID: PMC7445283 DOI: 10.1038/s41598-020-70657-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Accepted: 07/27/2020] [Indexed: 12/25/2022] Open
Abstract
There is clear evidence that ionizing radiation (IR) causes leukemia. For many types of leukemia, the preleukemic fusion genes (PFG), as consequences of DNA damage and chromosomal translocations, occur in hematopoietic stem and progenitor cells (HSPC) in utero and could be detected in umbilical cord blood (UCB) of newborns. However, relatively limited information is available about radiation-induced apoptosis, DNA damage and PFG formation in human HSPC. In this study we revealed that CD34+ HSPC compared to lymphocytes: (i) are extremely radio-resistant showing delayed time kinetics of apoptosis, (ii) accumulate lower level of endogenous DNA damage/early apoptotic γH2AX pan-stained cells, (iii) have higher level of radiation-induced 53BP1 and γH2AX/53BP1 co-localized DNA double stranded breaks, and (iv) after low dose of IR may form very low level of BCR-ABL PFG. Within CD34+ HSPC we identified CD34+CD38+ progenitor cells as a highly apoptosis-resistant population, while CD34+CD38- hematopoietic stem/multipotent progenitor cells (HSC/MPP) as a population very sensitive to radiation-induced apoptosis. Our study provides critical insights into how human HSPC respond to IR in the context of DNA damage, apoptosis and PFG.
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25
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Wilde L, Ramanathan S, Kasner M. B-cell lymphoma-2 inhibition and resistance in acute myeloid leukemia. World J Clin Oncol 2020; 11:528-540. [PMID: 32879842 PMCID: PMC7443828 DOI: 10.5306/wjco.v11.i8.528] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Revised: 07/01/2020] [Accepted: 07/19/2020] [Indexed: 02/06/2023] Open
Abstract
Spurred by better understanding of disease biology, improvements in molecular diagnostics, and the development of targeted therapies, the treatment of acute myeloid leukemia (AML) has undergone significant evolution in recent years. Arguably, the most exciting shift has come from the success of treatment with the B-cell lymphoma-2 inhibitor venetoclax. When given in combination with a hypomethylating agent or low dose cytarabine, venetoclax demonstrates high response rates, some of which are durable. In spite of this, relapses after venetoclax treatment are common, and much interest exists in elucidating the mechanisms of resistance to the drug. Alterations in leukemic stem cell metabolism have been identified as a possible escape route, and clinical trials focusing on targeting metabolism in AML are ongoing. This review article highlights current research regarding venetoclax treatment and resistance in AML with a focus on cellular metabolism.
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Affiliation(s)
- Lindsay Wilde
- Department of Hematology and Medical Oncology, Sidney Kimmel Cancer Center at Thomas Jefferson University Hospital, Philadelphia, PA 19107, United States
| | - Sabarina Ramanathan
- Department of Hematology and Medical Oncology, Sidney Kimmel Cancer Center at Thomas Jefferson University Hospital, Philadelphia, PA 19107, United States
| | - Margaret Kasner
- Department of Hematology and Medical Oncology, Sidney Kimmel Cancer Center at Thomas Jefferson University Hospital, Philadelphia, PA 19107, United States
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26
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Sestrin2 inhibits YAP activation and negatively regulates corneal epithelial cell proliferation. Exp Mol Med 2020; 52:951-962. [PMID: 32528056 PMCID: PMC7338388 DOI: 10.1038/s12276-020-0446-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Accepted: 04/08/2020] [Indexed: 01/14/2023] Open
Abstract
Corneal wound healing is essential for the maintenance of corneal integrity and transparency and involves a series of physiological processes that depend on the proliferation of epithelial cells. However, the molecular mechanisms that control corneal epithelial cell proliferation are poorly understood. Here, we show that Sestrin2, a stress-inducible protein, is downregulated in the corneal epithelium during wound healing and that the proliferation of epithelial basal cells is enhanced in Sestrin2-deficient mice. We also show that YAP, a major downstream effector of the Hippo signaling pathway, regulates cell proliferation during corneal epithelial wound repair and that Sestrin2 suppresses its activity. Moreover, increased levels of reactive oxygen species in the Sestrin2-deficient corneal epithelium promote the nuclear localization and dephosphorylation of YAP, activating it to enhance the proliferation of corneal epithelial cells. These results reveal that Sestrin2 is a negative regulator of YAP, which regulates the proliferative capacity of basal epithelial cells, and may serve as a potential therapeutic target for corneal epithelial damage.
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27
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Robinson AJ, Hopkins GL, Rastogi N, Hodges M, Doyle M, Davies S, Hole PS, Omidvar N, Darley RL, Tonks A. Reactive Oxygen Species Drive Proliferation in Acute Myeloid Leukemia via the Glycolytic Regulator PFKFB3. Cancer Res 2020; 80:937-949. [PMID: 31862780 PMCID: PMC7611211 DOI: 10.1158/0008-5472.can-19-1920] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Revised: 11/15/2019] [Accepted: 12/17/2019] [Indexed: 02/07/2023]
Abstract
Acute myeloid leukemia (AML) is a heterogeneous clonal disorder with a poor clinical outcome. Previously, we showed that overproduction of reactive oxygen species (ROS), arising from constitutive activation of NOX2 oxidase, occurs in >60% of patients with AML and that ROS production promotes proliferation of AML cells. We show here that the process most significantly affected by ROS overproduction is glycolysis. Whole metabolome analysis of 20 human primary AML showed that blasts generating high levels of ROS have increased glucose uptake and correspondingly increased glucose metabolism. In support of this, exogenous ROS increased glucose consumption while inhibition of NOX2 oxidase decreased glucose consumption. Mechanistically, ROS promoted uncoupling protein 2 (UCP2) protein expression and phosphorylation of AMPK, upregulating the expression of a key regulatory glycolytic enzyme, 6-phosphofructo-2-kinase/fructose-2,6-bisphosphatase (PFKFB3). Overexpression of PFKFB3 promoted glucose uptake and cell proliferation, whereas downregulation of PFKFB3 strongly suppressed leukemia growth both in vitro and in vivo in the NSG model. These experiments provide direct evidence that oxidase-derived ROS promotes the growth of leukemia cells via the glycolytic regulator PFKFB3. Targeting PFKFB3 may therefore present a new mode of therapy for this disease with a poor outcome. SIGNIFICANCE: These findings show that ROS generated by NOX2 in AML cells promotes glycolysis by activating PFKFB3 and suggest PFKFB3 as a novel therapeutic target in AML.
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Affiliation(s)
- Andrew J Robinson
- Department of Haematology, Division of Cancer & Genetics, School of Medicine, Cardiff University, Wales, United Kingdom
| | - Goitseone L Hopkins
- Department of Haematology, Division of Cancer & Genetics, School of Medicine, Cardiff University, Wales, United Kingdom
| | - Namrata Rastogi
- Department of Haematology, Division of Cancer & Genetics, School of Medicine, Cardiff University, Wales, United Kingdom
| | - Marie Hodges
- Department of Haematology, Division of Cancer & Genetics, School of Medicine, Cardiff University, Wales, United Kingdom
- Cardiff Experimental and Cancer Medicine Centre (ECMC), School of Medicine, Cardiff University, Wales, United Kingdom
| | - Michelle Doyle
- Department of Haematology, Division of Cancer & Genetics, School of Medicine, Cardiff University, Wales, United Kingdom
- Cardiff Experimental and Cancer Medicine Centre (ECMC), School of Medicine, Cardiff University, Wales, United Kingdom
| | - Sara Davies
- Department of Haematology, Division of Cancer & Genetics, School of Medicine, Cardiff University, Wales, United Kingdom
| | - Paul S Hole
- Department of Haematology, Division of Cancer & Genetics, School of Medicine, Cardiff University, Wales, United Kingdom
| | - Nader Omidvar
- Department of Haematology, Division of Cancer & Genetics, School of Medicine, Cardiff University, Wales, United Kingdom
| | - Richard L Darley
- Department of Haematology, Division of Cancer & Genetics, School of Medicine, Cardiff University, Wales, United Kingdom
| | - Alex Tonks
- Department of Haematology, Division of Cancer & Genetics, School of Medicine, Cardiff University, Wales, United Kingdom.
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28
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Bebber CM, Müller F, Prieto Clemente L, Weber J, von Karstedt S. Ferroptosis in Cancer Cell Biology. Cancers (Basel) 2020; 12:E164. [PMID: 31936571 PMCID: PMC7016816 DOI: 10.3390/cancers12010164] [Citation(s) in RCA: 206] [Impact Index Per Article: 51.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 01/07/2020] [Accepted: 01/07/2020] [Indexed: 12/12/2022] Open
Abstract
A major hallmark of cancer is successful evasion of regulated forms of cell death. Ferroptosis is a recently discovered type of regulated necrosis which, unlike apoptosis or necroptosis, is independent of caspase activity and receptor-interacting protein 1 (RIPK1) kinase activity. Instead, ferroptotic cells die following iron-dependent lipid peroxidation, a process which is antagonised by glutathione peroxidase 4 (GPX4) and ferroptosis suppressor protein 1 (FSP1). Importantly, tumour cells escaping other forms of cell death have been suggested to maintain or acquire sensitivity to ferroptosis. Therefore, therapeutic exploitation of ferroptosis in cancer has received increasing attention. Here, we systematically review current literature on ferroptosis signalling, cross-signalling to cellular metabolism in cancer and a potential role for ferroptosis in tumour suppression and tumour immunology. By summarising current findings on cell biology relevant to ferroptosis in cancer, we aim to point out new conceptual avenues for utilising ferroptosis in systemic treatment approaches for cancer.
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Affiliation(s)
- Christina M. Bebber
- Department of Translational Genomics, Medical Faculty, University of Cologne, Weyertal 155b, 50931 Cologne, Germany; (C.M.B.); (F.M.); (L.P.C.); (J.W.)
- Cologne Excellence Cluster on Cellular Stress Response in Aging-Associated Diseases (CECAD), Medical Faculty, University of Cologne, Joseph-Stelzmann-Straße 26, 50931 Cologne, Germany
- Department I of Internal Medicine, University Hospital of Cologne, Kerpener Straße 62, 50937 Cologne, Germany
| | - Fabienne Müller
- Department of Translational Genomics, Medical Faculty, University of Cologne, Weyertal 155b, 50931 Cologne, Germany; (C.M.B.); (F.M.); (L.P.C.); (J.W.)
- Cologne Excellence Cluster on Cellular Stress Response in Aging-Associated Diseases (CECAD), Medical Faculty, University of Cologne, Joseph-Stelzmann-Straße 26, 50931 Cologne, Germany
| | - Laura Prieto Clemente
- Department of Translational Genomics, Medical Faculty, University of Cologne, Weyertal 155b, 50931 Cologne, Germany; (C.M.B.); (F.M.); (L.P.C.); (J.W.)
- Cologne Excellence Cluster on Cellular Stress Response in Aging-Associated Diseases (CECAD), Medical Faculty, University of Cologne, Joseph-Stelzmann-Straße 26, 50931 Cologne, Germany
| | - Josephine Weber
- Department of Translational Genomics, Medical Faculty, University of Cologne, Weyertal 155b, 50931 Cologne, Germany; (C.M.B.); (F.M.); (L.P.C.); (J.W.)
- Cologne Excellence Cluster on Cellular Stress Response in Aging-Associated Diseases (CECAD), Medical Faculty, University of Cologne, Joseph-Stelzmann-Straße 26, 50931 Cologne, Germany
| | - Silvia von Karstedt
- Department of Translational Genomics, Medical Faculty, University of Cologne, Weyertal 155b, 50931 Cologne, Germany; (C.M.B.); (F.M.); (L.P.C.); (J.W.)
- Cologne Excellence Cluster on Cellular Stress Response in Aging-Associated Diseases (CECAD), Medical Faculty, University of Cologne, Joseph-Stelzmann-Straße 26, 50931 Cologne, Germany
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29
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Brault J, Vigne B, Meunier M, Beaumel S, Mollin M, Park S, Stasia MJ. NOX4 is the main NADPH oxidase involved in the early stages of hematopoietic differentiation from human induced pluripotent stem cells. Free Radic Biol Med 2020; 146:107-118. [PMID: 31626946 DOI: 10.1016/j.freeradbiomed.2019.10.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 10/08/2019] [Accepted: 10/08/2019] [Indexed: 02/07/2023]
Abstract
Reactive oxygen species (ROS) produced in hematopoietic stem cells (HSCs) are involved in the balance between quiescence, self-renewal, proliferation and differentiation processes. However the role of NOX enzymes on the early stages of hematopoietic differentiation is poorly investigated. For that, we used induced pluripotent stem cells (iPSCs) derived from X-linked Chronic Granulomatous Disease (X0CGD) patients with deficiency in NOX2, and AR220CGD patients with deficiency in p22phox subunit which decreases NOX1, NOX2, NOX3 and NOX4 activities. CD34+ hematopoietic progenitors were obtained after 7, 10 and 13 days of iPS/OP9 co-culture differentiation system. Neither NOX expression nor activity was found in Wild-type (WT), X0CGD and AR220CGD iPSCs. Although NOX2 and NOX4 mRNA were found in WT, X0CGD and AR220CGD iPSC-derived CD34+ cells at day 10 and 13 of differentiation, NOX4 protein was the only NOX enzyme expressed in these cells. A NADPH oxidase activity was measured in WT and X0CGD iPSC-derived CD34+ cells but not in AR220CGD iPSC-derived CD34+ cells because of the absence of p22phox, which is essential for the NOX4 activity. The absence of NOX4 activity and the poor NOX-independent ROS production in AR220CGD iPSC-derived CD34+ cells favored the CD34+ cells production but lowered their hematopoietic potential compared to WT and X0CGD iPSC-derived CD34+ cells. In addition we found a large production of primitive AR220CGD iPSC-derived progenitors at day 7 compared to the WT and X0CGD cell types. In conclusion NOX4 is the major NOX enzyme involved in the early stages of hematopoietic differentiation from iPSCs and its activity can modulate the production, the hematopoietic potential and the phenotype of iPSC-derived CD34+.
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Affiliation(s)
- Julie Brault
- Centre Hospitalier Universitaire Grenoble Alpes, CGD Diagnosis and Research Centre (CDiReC), Grenoble, France.
| | - Bénédicte Vigne
- Centre Hospitalier Universitaire Grenoble Alpes, CGD Diagnosis and Research Centre (CDiReC), Grenoble, France.
| | - Mathieu Meunier
- Centre Hospitalier Universitaire Grenoble Alpes, University Clinic of Hematology, Grenoble, France; CNRS UMR 5309, INSERM, U1209, Université Grenoble Alpes, Institute for Advanced Bioscience, 38700, Grenoble, France.
| | - Sylvain Beaumel
- Centre Hospitalier Universitaire Grenoble Alpes, CGD Diagnosis and Research Centre (CDiReC), Grenoble, France.
| | - Michelle Mollin
- Centre Hospitalier Universitaire Grenoble Alpes, CGD Diagnosis and Research Centre (CDiReC), Grenoble, France.
| | - Sophie Park
- Centre Hospitalier Universitaire Grenoble Alpes, University Clinic of Hematology, Grenoble, France; CNRS UMR 5309, INSERM, U1209, Université Grenoble Alpes, Institute for Advanced Bioscience, 38700, Grenoble, France.
| | - Marie José Stasia
- Centre Hospitalier Universitaire Grenoble Alpes, CGD Diagnosis and Research Centre (CDiReC), Grenoble, France; Univ. Grenoble Alpes, CEA, CNRS, IBS, F-38044, Grenoble, France, Grenoble, France.
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30
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Sillar JR, Germon ZP, De Iuliis GN, Dun MD. The Role of Reactive Oxygen Species in Acute Myeloid Leukaemia. Int J Mol Sci 2019; 20:ijms20236003. [PMID: 31795243 PMCID: PMC6929020 DOI: 10.3390/ijms20236003] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 11/27/2019] [Accepted: 11/27/2019] [Indexed: 12/26/2022] Open
Abstract
Acute myeloid leukaemia (AML) is an aggressive haematological malignancy with a poor overall survival. Reactive oxygen species (ROS) have been shown to be elevated in a wide range of cancers including AML. Whilst previously thought to be mere by-products of cellular metabolism, it is now clear that ROS modulate the function of signalling proteins through oxidation of critical cysteine residues. In this way, ROS have been shown to regulate normal haematopoiesis as well as promote leukaemogenesis in AML. In addition, ROS promote genomic instability by damaging DNA, which promotes chemotherapy resistance. The source of ROS in AML appears to be derived from members of the “NOX family” of NADPH oxidases. Most studies link NOX-derived ROS to activating mutations in the Fms-like tyrosine kinase 3 (FLT3) and Ras-related C3 botulinum toxin substrate (Ras). Targeting ROS through either ROS induction or ROS inhibition provides a novel therapeutic target in AML. In this review, we summarise the role of ROS in normal haematopoiesis and in AML. We also explore the current treatments that modulate ROS levels in AML and discuss emerging drug targets based on pre-clinical work.
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Affiliation(s)
- Jonathan R. Sillar
- Haematology Department, Calvary Mater Hospital, Newcastle, NSW 2298, Australia
- Cancer Signalling Research Group, School of Biomedical Sciences & Pharmacy, Faculty of Health & Medicine, University of Newcastle, Callaghan, NSW 2308, Australia;
- Priority Research Centre for Cancer Research, Innovation & Translation, Faculty of Health & Medicine, Hunter Medical Research Institute, New Lambton Heights, NSW 2305, Australia
- Correspondence: (J.R.S.); (M.D.D.); Tel.: +612-4921-5693 (M.D.D.)
| | - Zacary P. Germon
- Cancer Signalling Research Group, School of Biomedical Sciences & Pharmacy, Faculty of Health & Medicine, University of Newcastle, Callaghan, NSW 2308, Australia;
- Priority Research Centre for Cancer Research, Innovation & Translation, Faculty of Health & Medicine, Hunter Medical Research Institute, New Lambton Heights, NSW 2305, Australia
| | - Geoffry N. De Iuliis
- Priority Research Centre for Reproductive Sciences, Faculty of Science, University of Newcastle, Callaghan, NSW 2308, Australia;
| | - Matthew D. Dun
- Cancer Signalling Research Group, School of Biomedical Sciences & Pharmacy, Faculty of Health & Medicine, University of Newcastle, Callaghan, NSW 2308, Australia;
- Priority Research Centre for Cancer Research, Innovation & Translation, Faculty of Health & Medicine, Hunter Medical Research Institute, New Lambton Heights, NSW 2305, Australia
- Correspondence: (J.R.S.); (M.D.D.); Tel.: +612-4921-5693 (M.D.D.)
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Durdik M, Kosik P, Markova E, Somsedikova A, Gajdosechova B, Nikitina E, Horvathova E, Kozics K, Davis D, Belyaev I. Microwaves from mobile phone induce reactive oxygen species but not DNA damage, preleukemic fusion genes and apoptosis in hematopoietic stem/progenitor cells. Sci Rep 2019; 9:16182. [PMID: 31700008 PMCID: PMC6838175 DOI: 10.1038/s41598-019-52389-x] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Accepted: 10/15/2019] [Indexed: 12/13/2022] Open
Abstract
Exposure to electromagnetic fields (EMF) has been associated with the increased risk of childhood leukemia, which arises from mutations induced within hematopoietic stem cells often through preleukemic fusion genes (PFG). In this study we investigated whether exposure to microwaves (MW) emitted by mobile phones could induce various biochemical markers of cellular damage including reactive oxygen species (ROS), DNA single and double strand breaks, PFG, and apoptosis in umbilical cord blood (UCB) cells including CD34+ hematopoietic stem/progenitor cells. UCB cells were exposed to MW pulsed signals from GSM900/UMTS test-mobile phone and ROS, apoptosis, DNA damage, and PFG were analyzed using flow cytometry, automated fluorescent microscopy, imaging flow cytometry, comet assay, and RT-qPCR. In general, no persisting difference in DNA damage, PFG and apoptosis between exposed and sham-exposed samples was detected. However, we found increased ROS level after 1 h of UMTS exposure that was not evident 3 h post-exposure. We also found that the level of ROS rise with the higher degree of cellular differentiation. Our data show that UCB cells exposed to pulsed MW developed transient increase in ROS that did not result in sustained DNA damage and apoptosis.
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Affiliation(s)
- Matus Durdik
- Deparment of Radiobiology, Cancer Research Institute, Biomedical Research Center, University Science Park for Biomedicine, Slovak Academy of Sciences, Bratislava, Slovak Republic.
| | - Pavol Kosik
- Deparment of Radiobiology, Cancer Research Institute, Biomedical Research Center, University Science Park for Biomedicine, Slovak Academy of Sciences, Bratislava, Slovak Republic
| | - Eva Markova
- Deparment of Radiobiology, Cancer Research Institute, Biomedical Research Center, University Science Park for Biomedicine, Slovak Academy of Sciences, Bratislava, Slovak Republic
| | - Alexandra Somsedikova
- Deparment of Radiobiology, Cancer Research Institute, Biomedical Research Center, University Science Park for Biomedicine, Slovak Academy of Sciences, Bratislava, Slovak Republic
| | - Beata Gajdosechova
- Deparment of Radiobiology, Cancer Research Institute, Biomedical Research Center, University Science Park for Biomedicine, Slovak Academy of Sciences, Bratislava, Slovak Republic
| | - Ekaterina Nikitina
- Department of Oncovirology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
| | - Eva Horvathova
- Deparment of Genetics, Cancer Research Institute, Biomedical Research Center, University Science Park for Biomedicine, Slovak Academy of Sciences, Bratislava, Slovak Republic
| | - Katarina Kozics
- Deparment of Genetics, Cancer Research Institute, Biomedical Research Center, University Science Park for Biomedicine, Slovak Academy of Sciences, Bratislava, Slovak Republic
| | - Devra Davis
- The Hebrew University Hadassah School of Medicine, and Environmental Health Trust, Washington, USA
| | - Igor Belyaev
- Deparment of Radiobiology, Cancer Research Institute, Biomedical Research Center, University Science Park for Biomedicine, Slovak Academy of Sciences, Bratislava, Slovak Republic
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32
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Böhmer A, Barz S, Schwab K, Kolbe U, Gabel A, Kirkpatrick J, Ohlenschläger O, Görlach M, Böhmer FD. Modulation of FLT3 signal transduction through cytoplasmic cysteine residues indicates the potential for redox regulation. Redox Biol 2019; 28:101325. [PMID: 31606550 PMCID: PMC6812047 DOI: 10.1016/j.redox.2019.101325] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Revised: 08/31/2019] [Accepted: 09/07/2019] [Indexed: 12/21/2022] Open
Abstract
Oxidative modification of cysteine residues has been shown to regulate the activity of several protein-tyrosine kinases. We explored the possibility that Fms-like tyrosine kinase 3 (FLT3), a hematopoietic receptor-tyrosine kinase, is subject to this type of regulation. An underlying rationale was that the FLT3 gene is frequently mutated in Acute Myeloid Leukemia patients, and resulting oncogenic variants of FLT3 with 'internal tandem duplications (FLT3ITD)' drive production of reactive oxygen in leukemic cells. FLT3 was moderately activated by treatment of intact cells with hydrogen peroxide. Conversely, FLT3ITD signaling was attenuated by cell treatments with agents inhibiting formation of reactive oxygen species. FLT3 and FLT3ITD incorporated DCP-Bio1, a reagent specifically reacting with sulfenic acid residues. Mutation of FLT3ITD cysteines 695 and 790 reduced DCP-Bio1 incorporation, suggesting that these sites are subject to oxidative modification. Functional characterization of individual FLT3ITD cysteine-to-serine mutants of all 8 cytoplasmic cysteines revealed phenotypes in kinase activity, signal transduction and cell transformation. Replacement of cysteines 681, 694, 695, 807, 925, and 945 attenuated signaling and blocked FLT3ITD-mediated cell transformation, whereas mutation of cysteine 790 enhanced activity of both FLT3ITD and wild-type FLT3. These effects were not related to altered FLT3ITD dimerization, but likely caused by changed intramolecular interactions. The findings identify the functional relevance of all cytoplasmic FLT3ITD cysteines, and indicate the potential for redox regulation of this clinically important oncoprotein.
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Affiliation(s)
- Annette Böhmer
- Institute of Molecular Cell Biology, CMB, Jena University Hospital, Jena, Germany
| | - Saskia Barz
- Institute of Molecular Cell Biology, CMB, Jena University Hospital, Jena, Germany
| | - Katjana Schwab
- Institute of Molecular Cell Biology, CMB, Jena University Hospital, Jena, Germany
| | - Ulrike Kolbe
- Institute of Molecular Cell Biology, CMB, Jena University Hospital, Jena, Germany
| | - Anke Gabel
- Institute of Molecular Cell Biology, CMB, Jena University Hospital, Jena, Germany
| | | | | | - Matthias Görlach
- Leibniz Institute on Aging, Fritz Lipmann Institute, Jena, Germany
| | - Frank-D Böhmer
- Institute of Molecular Cell Biology, CMB, Jena University Hospital, Jena, Germany.
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33
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Shi M, Xu F, Yang X, Bai Y, Niu J, Drokow EK, Chen M, Chen Y, Sun K. The synergistic antileukemic effects of eltrombopag and decitabine in myeloid leukemia cells. Cancer Manag Res 2019; 11:8229-8238. [PMID: 31564981 PMCID: PMC6735651 DOI: 10.2147/cmar.s213931] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Accepted: 08/05/2019] [Indexed: 12/18/2022] Open
Abstract
Background Hypomethylating agents (HMAs), such as decitabine (DAC), are currently used as first-line therapy for patients with high-risk myelodysplastic syndromes (MDS) and acute myelogenous leukemia (AML) not eligible for standard chemotherapies. Exacerbation of thrombocytopenia is one of the prevalent complications after HMA treatment. Eltrombopag (EP), an oral thrombopoietin receptor agonist, can efficiently stimulate megakaryopoiesis and elevate platelet counts in MDS/AML patients. However, the significance of combining EP with HMAs in patients with high-risk MDS/AML has not been determined. Purpose To explore the impacts and mechanisms of EP and/or DAC on leukemia cell growth and to explore whether EP exhibits antileukemic effects in the context of DAC treatment in human myeloid leukemia cell lines. Methods In our study, we assessed the anti-leukemic effect of EP in the context of DAC treatment by measuring cell proliferation, apoptosis, cell-cycle distribution, and intracellular reactive oxygen species (ROS) levels. Results Our results showed that the combination of EP and DAC had a more obvious antiproliferative effect than that of DAC as a single agent. EP mainly induced S or G0/G1 phase cell cycle arrest, and DAC arrested the cell cycle in the S or G2/M phase. The combination of EP and DAC had a synergistic effect on cell cycle arrest. Furthermore, single-agent treatment with EP or DAC induced a change in intracellular ROS levels, and the combination of EP and DAC had a synergistic effect on ROS levels, exacerbating leukemia cell death. Conclusion Our study provides in vitro evidence of the synergistic antileukemic effect and potential mechanisms of the combination of DAC and EP on myeloid leukemia cells.
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Affiliation(s)
- Mingyue Shi
- Division of Graduate, Department of Hematology, The Second Clinical Medical School and the Second Affiliated Hospital of Zhengzhou University, Zhengzhou, People's Republic of China.,Department of Hematology, Zhengzhou University People's Hospital and Henan Provincial People's Hospital, Zhengzhou, People's Republic of China.,Department of Pathology and Laboratory Medicine, UT Southwestern Medical Center, Dallas, TX 75390, USA
| | - Fangfang Xu
- Department of Research and Discipline Development, Zhengzhou University People's Hospital and Henan Provincial People's Hospital, Zhengzhou, People's Republic of China
| | - Xiawan Yang
- Department of Hematology, Zhengzhou University People's Hospital and Henan Provincial People's Hospital, Zhengzhou, People's Republic of China
| | - Yanliang Bai
- Department of Hematology, Zhengzhou University People's Hospital and Henan Provincial People's Hospital, Zhengzhou, People's Republic of China
| | - Junwei Niu
- Department of Hematology, Zhengzhou University People's Hospital and Henan Provincial People's Hospital, Zhengzhou, People's Republic of China
| | - Emmanuel Kwateng Drokow
- Department of Hematology, Zhengzhou University People's Hospital and Henan Provincial People's Hospital, Zhengzhou, People's Republic of China
| | - Mingyi Chen
- Department of Pathology and Laboratory Medicine, UT Southwestern Medical Center, Dallas, TX 75390, USA
| | - Yuqing Chen
- Department of Hematology, Zhengzhou University People's Hospital and Henan Provincial People's Hospital, Zhengzhou, People's Republic of China
| | - Kai Sun
- Department of Hematology, Zhengzhou University People's Hospital and Henan Provincial People's Hospital, Zhengzhou, People's Republic of China
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34
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Bottoni P, Scatena R. The Tangled Mitochondrial Metabolism in Cancer: An Innovative Pharmacological Approach. Curr Med Chem 2019; 27:2106-2117. [PMID: 31441723 DOI: 10.2174/0929867326666190823163009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Revised: 01/10/2019] [Accepted: 02/22/2019] [Indexed: 11/22/2022]
Abstract
BACKGROUND Mitochondria are remarkably gaining significant and different pathogenic roles in cancer (i.e., to sustain specific metabolism, to activate signaling pathways, to promote apoptosis resistance, to favor cancer cell dissemination, and finally to facilitate genome instability). Interestingly, all these roles seem to be linked to the fundamental activity of mitochondria, i.e. oxidative metabolism. Intriguingly, a typical modification of mitochondrial oxidative metabolism and reactive oxygen species production/ neutralization seems to have a central role in all these tangled pathogenic roles in cancer. On these bases, a careful understanding of the molecular relationships between cancer and mitochondria may represent a fundamental step to realize therapeutic approaches blocking the typical cancer progression. The main aim of this review is to stress some neglected aspects of oxidative mitochondrial metabolism of cancer cells to promote more translational research with diagnostic and therapeutic potential. METHODS We reviewed the available literature regarding clinical and experimental studies on various roles of mitochondria in cancer, with attention to the cancer cell mitochondrial metabolism. RESULTS Mitochondria are an important source of reactive oxygen species. Their toxic effects seem to increase in cancer cells. However, it is not clear if damage depends on ROS overproduction and/or defect in detoxification. Failure of both these processes is likely a critical component of the cancer process and is strictly related to the actual microenvironment of cancer cells. CONCLUSIONS Mitochondria, also by ROS production, have a fundamental pathogenetic role in promoting and maintaining cancer and its spreading. To carefully understand the tangled redox state of cancer cells mitochondria represents a fundamental step to realize therapeutic approaches blocking the typical cancer progression.
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Affiliation(s)
- Patrizia Bottoni
- Institute of Biochemistry and Clinical Biochemistry, School of Medicine, Catholic University, Rome, Italy
| | - Roberto Scatena
- Department of Laboratory Medicine, Madre Giuseppina Vannini Hospital, Rome, Italy
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35
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Messina S, De Simone G, Ascenzi P. Cysteine-based regulation of redox-sensitive Ras small GTPases. Redox Biol 2019; 26:101282. [PMID: 31386964 PMCID: PMC6695279 DOI: 10.1016/j.redox.2019.101282] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 07/21/2019] [Accepted: 07/24/2019] [Indexed: 12/22/2022] Open
Abstract
Reactive oxygen and nitrogen species (ROS and RNS, respectively) activate the redox-sensitive Ras small GTPases. The three canonical genes (HRAS, NRAS, and KRAS) are archetypes of the superfamily of small GTPases and are the most common oncogenes in human cancer. Oncogenic Ras is intimately linked to redox biology, mainly in the context of tumorigenesis. The Ras protein structure is highly conserved, especially in effector-binding regions. Ras small GTPases are redox-sensitive proteins thanks to the presence of the NKCD motif (Asn116-Lys 117-Cys118-Asp119). Notably, the ROS- and RNS-based oxidation of Cys118 affects protein stability, activity, and localization, and protein-protein interactions. Cys residues at positions 80, 181, 184, and 186 may also help modulate these actions. Moreover, oncogenic mutations of Gly12Cys and Gly13Cys may introduce additional oxidative centres and represent actionable drug targets. Here, the pathophysiological involvement of Cys-redox regulation of Ras proteins is reviewed in the context of cancer and heart and brain diseases.
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Affiliation(s)
- Samantha Messina
- Department of Science, Roma Tre University, Viale Guglielmo Marconi 446, I-00146, Roma, Italy.
| | - Giovanna De Simone
- Department of Science, Roma Tre University, Viale Guglielmo Marconi 446, I-00146, Roma, Italy
| | - Paolo Ascenzi
- Department of Science, Roma Tre University, Viale Guglielmo Marconi 446, I-00146, Roma, Italy
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36
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Rossi C, Zini R, Rontauroli S, Ruberti S, Prudente Z, Barbieri G, Bianchi E, Salati S, Genovese E, Bartalucci N, Guglielmelli P, Tagliafico E, Rosti V, Barosi G, Vannucchi AM, Manfredini R. Role of TGF-β1/miR-382-5p/SOD2 axis in the induction of oxidative stress in CD34+ cells from primary myelofibrosis. Mol Oncol 2018; 12:2102-2123. [PMID: 30259659 PMCID: PMC6275274 DOI: 10.1002/1878-0261.12387] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Revised: 09/10/2018] [Accepted: 09/14/2018] [Indexed: 02/06/2023] Open
Abstract
Primary myelofibrosis (PMF) is a myeloproliferative neoplasm characterized by an excessive production of pro-inflammatory cytokines resulting in chronic inflammation and genomic instability. Besides the driver mutations in JAK2, MPL, and CALR genes, the deregulation of miRNA expression may also contribute to the pathogenesis of PMF. To this end, we recently reported the upregulation of miR-382-5p in PMF CD34+ cells. In order to unveil the mechanistic details of the role of miR-382-5p in pathogenesis of PMF, we performed gene expression profiling of CD34+ cells overexpressing miR-382-5p. Among the downregulated genes, we identified superoxide dismutase 2 (SOD2), which is a predicted target of miR-382-5p. Subsequently, we confirmed miR-382-5p/SOD2 interaction by luciferase assay and we showed that miR-382-5p overexpression in CD34+ cells causes the decrease in SOD2 activity leading to reactive oxygen species (ROS) accumulation and oxidative DNA damage. In addition, our data indicate that inhibition of miR-382-5p in PMF CD34+ cells restores SOD2 function, induces ROS disposal, and reduces DNA oxidation. Since the pro-inflammatory cytokine transforming growth factor-β1 (TGF-β1) is a key player in PMF pathogenesis, we further investigated the effect of TGF-β1 on ROS and miR-382-5p levels. Our data showed that TGF-β1 treatment enhances miR-382-5p expression and reduces SOD2 activity leading to ROS accumulation. Finally, inhibition of TGF-β1 signaling in PMF CD34+ cells by galunisertib significantly reduced miR-382-5p expression and ROS accumulation and restored SOD2 activity. As a whole, this study reports that TGF-β1/miR-382-5p/SOD2 axis deregulation in PMF cells is linked to ROS overproduction that may contribute to enhanced oxidative stress and inflammation. Our results suggest that galunisertib may represent an effective drug reducing abnormal oxidative stress induced by TGF-β1 in PMF patients. DATABASE LINKING: GEO: https://www.ncbi.nlm.nih.gov/geo/query/acc.cgi?acc=GSE103464.
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Affiliation(s)
- Chiara Rossi
- Department of Life Sciences, Centre for Regenerative Medicine, University of Modena and Reggio Emilia, Italy
| | - Roberta Zini
- Department of Life Sciences, Centre for Regenerative Medicine, University of Modena and Reggio Emilia, Italy
| | - Sebastiano Rontauroli
- Department of Life Sciences, Centre for Regenerative Medicine, University of Modena and Reggio Emilia, Italy
| | - Samantha Ruberti
- Department of Life Sciences, Centre for Regenerative Medicine, University of Modena and Reggio Emilia, Italy
| | - Zelia Prudente
- Department of Life Sciences, Centre for Regenerative Medicine, University of Modena and Reggio Emilia, Italy
| | - Greta Barbieri
- Department of Life Sciences, Centre for Regenerative Medicine, University of Modena and Reggio Emilia, Italy
| | - Elisa Bianchi
- Department of Life Sciences, Centre for Regenerative Medicine, University of Modena and Reggio Emilia, Italy
| | - Simona Salati
- Department of Life Sciences, Centre for Regenerative Medicine, University of Modena and Reggio Emilia, Italy
| | - Elena Genovese
- Department of Life Sciences, Centre for Regenerative Medicine, University of Modena and Reggio Emilia, Italy
| | - Niccolò Bartalucci
- Department of Experimental and Clinical Medicine, CRIMM, Center for Research and Innovation for Myeloproliferative Neoplasms, AOU Careggi, University of Florence, Italy
| | - Paola Guglielmelli
- Department of Experimental and Clinical Medicine, CRIMM, Center for Research and Innovation for Myeloproliferative Neoplasms, AOU Careggi, University of Florence, Italy
| | - Enrico Tagliafico
- Center for Genome Research, University of Modena and Reggio Emilia, Italy
| | - Vittorio Rosti
- Center for the Study of Myelofibrosis, Laboratory of Biochemistry, Biotechnology and Advanced Diagnostics, IRCCS Policlinico San Matteo Foundation, Pavia, Italy
| | - Giovanni Barosi
- Center for the Study of Myelofibrosis, Laboratory of Biochemistry, Biotechnology and Advanced Diagnostics, IRCCS Policlinico San Matteo Foundation, Pavia, Italy
| | - Alessandro M Vannucchi
- Department of Experimental and Clinical Medicine, CRIMM, Center for Research and Innovation for Myeloproliferative Neoplasms, AOU Careggi, University of Florence, Italy
| | - Rossella Manfredini
- Department of Life Sciences, Centre for Regenerative Medicine, University of Modena and Reggio Emilia, Italy
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37
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Prieto-Bermejo R, Romo-González M, Pérez-Fernández A, Ijurko C, Hernández-Hernández Á. Reactive oxygen species in haematopoiesis: leukaemic cells take a walk on the wild side. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2018; 37:125. [PMID: 29940987 PMCID: PMC6019308 DOI: 10.1186/s13046-018-0797-0] [Citation(s) in RCA: 76] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Accepted: 06/15/2018] [Indexed: 02/08/2023]
Abstract
Oxidative stress is related to ageing and degenerative diseases, including cancer. However, a moderate amount of reactive oxygen species (ROS) is required for the regulation of cellular signalling and gene expression. A low level of ROS is important for maintaining quiescence and the differentiation potential of haematopoietic stem cells (HSCs), whereas the level of ROS increases during haematopoietic differentiation; thus, suggesting the importance of redox signalling in haematopoiesis. Here, we will analyse the importance of ROS for haematopoiesis and include evidence showing that cells from leukaemia patients live under oxidative stress. The potential sources of ROS will be described. Finally, the level of oxidative stress in leukaemic cells can also be harnessed for therapeutic purposes. In this regard, the reliance of front-line anti-leukaemia chemotherapeutics on increased levels of ROS for their mechanism of action, as well as the active search for novel compounds that modulate the redox state of leukaemic cells, will be analysed.
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Affiliation(s)
- Rodrigo Prieto-Bermejo
- Department of Biochemistry and Molecular Biology, University of Salamanca, Lab. 122, Edificio Departamental, Plaza Doctores de la Reina s/n, 37007, Salamanca, Spain.,IBSAL (Instituto de investigación Biomédica de Salamanca), Salamanca, Spain
| | - Marta Romo-González
- Department of Biochemistry and Molecular Biology, University of Salamanca, Lab. 122, Edificio Departamental, Plaza Doctores de la Reina s/n, 37007, Salamanca, Spain.,IBSAL (Instituto de investigación Biomédica de Salamanca), Salamanca, Spain
| | - Alejandro Pérez-Fernández
- Department of Biochemistry and Molecular Biology, University of Salamanca, Lab. 122, Edificio Departamental, Plaza Doctores de la Reina s/n, 37007, Salamanca, Spain.,IBSAL (Instituto de investigación Biomédica de Salamanca), Salamanca, Spain
| | - Carla Ijurko
- Department of Biochemistry and Molecular Biology, University of Salamanca, Lab. 122, Edificio Departamental, Plaza Doctores de la Reina s/n, 37007, Salamanca, Spain.,IBSAL (Instituto de investigación Biomédica de Salamanca), Salamanca, Spain
| | - Ángel Hernández-Hernández
- Department of Biochemistry and Molecular Biology, University of Salamanca, Lab. 122, Edificio Departamental, Plaza Doctores de la Reina s/n, 37007, Salamanca, Spain. .,IBSAL (Instituto de investigación Biomédica de Salamanca), Salamanca, Spain.
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38
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Giorgi C, Marchi S, Simoes IC, Ren Z, Morciano G, Perrone M, Patalas-Krawczyk P, Borchard S, Jȩdrak P, Pierzynowska K, Szymański J, Wang DQ, Portincasa P, Wȩgrzyn G, Zischka H, Dobrzyn P, Bonora M, Duszynski J, Rimessi A, Karkucinska-Wieckowska A, Dobrzyn A, Szabadkai G, Zavan B, Oliveira PJ, Sardao VA, Pinton P, Wieckowski MR. Mitochondria and Reactive Oxygen Species in Aging and Age-Related Diseases. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2018; 340:209-344. [PMID: 30072092 PMCID: PMC8127332 DOI: 10.1016/bs.ircmb.2018.05.006] [Citation(s) in RCA: 195] [Impact Index Per Article: 32.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Aging has been linked to several degenerative processes that, through the accumulation of molecular and cellular damage, can progressively lead to cell dysfunction and organ failure. Human aging is linked with a higher risk for individuals to develop cancer, neurodegenerative, cardiovascular, and metabolic disorders. The understanding of the molecular basis of aging and associated diseases has been one major challenge of scientific research over the last decades. Mitochondria, the center of oxidative metabolism and principal site of reactive oxygen species (ROS) production, are crucial both in health and in pathogenesis of many diseases. Redox signaling is important for the modulation of cell functions and several studies indicate a dual role for ROS in cell physiology. In fact, high concentrations of ROS are pathogenic and can cause severe damage to cell and organelle membranes, DNA, and proteins. On the other hand, moderate amounts of ROS are essential for the maintenance of several biological processes, including gene expression. In this review, we provide an update regarding the key roles of ROS-mitochondria cross talk in different fundamental physiological or pathological situations accompanying aging and highlighting that mitochondrial ROS may be a decisive target in clinical practice.
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Affiliation(s)
- Carlotta Giorgi
- Department of Morphology Surgery and Experimental Medicine, Section of Pathology Oncology and Experimental Biology, Interdisciplinary Center for the Study of Inflammation (ICSI), Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, Ferrara, Italy
| | - Saverio Marchi
- Department of Morphology Surgery and Experimental Medicine, Section of Pathology Oncology and Experimental Biology, Interdisciplinary Center for the Study of Inflammation (ICSI), Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, Ferrara, Italy
| | - Ines C.M. Simoes
- Department of Biochemistry, Nencki Institute of Experimental Biology, Polish Academy of Sciences, Warsaw, Poland
| | - Ziyu Ren
- Department of Cell and Developmental Biology, Consortium for Mitochondrial Research, University College London, London, United Kingdom
| | - Giampaolo Morciano
- Department of Morphology Surgery and Experimental Medicine, Section of Pathology Oncology and Experimental Biology, Interdisciplinary Center for the Study of Inflammation (ICSI), Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, Ferrara, Italy
- Cecilia Hospital, GVM Care & Research, 48033 Cotignola, Ravenna, Italy
- Maria Pia Hospital, GVM Care & Research, Torino, Italy
| | - Mariasole Perrone
- Department of Morphology Surgery and Experimental Medicine, Section of Pathology Oncology and Experimental Biology, Interdisciplinary Center for the Study of Inflammation (ICSI), Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, Ferrara, Italy
| | - Paulina Patalas-Krawczyk
- Department of Biochemistry, Nencki Institute of Experimental Biology, Polish Academy of Sciences, Warsaw, Poland
| | - Sabine Borchard
- Institute of Molecular Toxicology and Pharmacology, Helmholtz Center Munich, German Research Center for Environmental Health, Neuherberg, Germany
| | - Paulina Jȩdrak
- Department of Molecular Biology, University of Gdańsk, Gdańsk, Poland
| | | | - Jȩdrzej Szymański
- Department of Biochemistry, Nencki Institute of Experimental Biology, Polish Academy of Sciences, Warsaw, Poland
| | - David Q. Wang
- Department of Medicine, Division of Gastroenterology and Liver Diseases, Marion Bessin Liver Research Center, Albert Einstein College of Medicine, Bronx, NY, United States
| | - Piero Portincasa
- Clinica Medica “A. Murri”, Dept. of Biomedical Sciences & Human Oncology, University of Bari "Aldo Moro" Medical School, Bari, Italy
| | - Grzegorz Wȩgrzyn
- Department of Molecular Biology, University of Gdańsk, Gdańsk, Poland
| | - Hans Zischka
- Institute of Molecular Toxicology and Pharmacology, Helmholtz Center Munich, German Research Center for Environmental Health, Neuherberg, Germany
- Institute of Toxicology and Environmental Hygiene, Technical University Munich, Munich, Germany
| | - Pawel Dobrzyn
- Department of Biochemistry, Nencki Institute of Experimental Biology, Polish Academy of Sciences, Warsaw, Poland
| | - Massimo Bonora
- Departments of Cell Biology and Gottesman Institute for Stem Cell & Regenerative Medicine Research, Albert Einstein College of Medicine, Bronx, NY, United States
| | - Jerzy Duszynski
- Department of Biochemistry, Nencki Institute of Experimental Biology, Polish Academy of Sciences, Warsaw, Poland
| | - Alessandro Rimessi
- Department of Morphology Surgery and Experimental Medicine, Section of Pathology Oncology and Experimental Biology, Interdisciplinary Center for the Study of Inflammation (ICSI), Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, Ferrara, Italy
| | | | | | - Gyorgy Szabadkai
- Department of Cell and Developmental Biology, Consortium for Mitochondrial Research, University College London, London, United Kingdom
- The Francis Crick Institute, London, United Kingdom
- Department of Biomedical Sciences, University of Padua, Padua, Italy
| | - Barbara Zavan
- Cecilia Hospital, GVM Care & Research, 48033 Cotignola, Ravenna, Italy
- Department of Biomedical Sciences, University of Padua, Padua, Italy
| | - Paulo J. Oliveira
- CNC - Center for Neuroscience and Cell Biology, UC-Biotech, Biocant Park, University of Coimbra, Cantanhede, Portugal
| | - Vilma A. Sardao
- CNC - Center for Neuroscience and Cell Biology, UC-Biotech, Biocant Park, University of Coimbra, Cantanhede, Portugal
| | - Paolo Pinton
- Department of Morphology Surgery and Experimental Medicine, Section of Pathology Oncology and Experimental Biology, Interdisciplinary Center for the Study of Inflammation (ICSI), Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, Ferrara, Italy
- Cecilia Hospital, GVM Care & Research, 48033 Cotignola, Ravenna, Italy
| | - Mariusz R. Wieckowski
- Department of Biochemistry, Nencki Institute of Experimental Biology, Polish Academy of Sciences, Warsaw, Poland
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39
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Dutta D, Chong NS, Lim SH. Endogenous volatile organic compounds in acute myeloid leukemia: origins and potential clinical applications. J Breath Res 2018; 12:034002. [PMID: 29463782 DOI: 10.1088/1752-7163/aab108] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Not unlike many cancer types, acute myeloid leukemia (AML) exhibits many metabolic changes and reprogramming, causing changes in lipid metabolism. Some of the distinct molecular abnormalities associated with AML also modify the metabolic changes. Both processes result in changes in the production of endogenous volatile organic compounds (VOCs). The increasing availability of highly sensitive methods for detecting trace chemicals provides the opportunity to investigate the role of patient-specific VOC finger-prints as biomarkers for detecting early relapse or minimal residual disease in AML. Since VOC production is reliant on metabolic activities, when combined with currently available methods, VOC analysis may identify within a group of patients with flow cytometric or molecular evidence of residual disease those most at risk for disease relapse.
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Affiliation(s)
- Dibyendu Dutta
- Department of Professional Sciences, Middle Tennessee State University, Murfreesboro, Tennessee, United States of America
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40
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Leukemia-propagating cells demonstrate distinctive gene expression profiles compared with other cell fractions from patients with de novo Philadelphia chromosome-positive ALL. Ann Hematol 2018; 97:799-811. [PMID: 29429020 DOI: 10.1007/s00277-018-3253-5] [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: 07/25/2017] [Accepted: 01/22/2018] [Indexed: 10/18/2022]
Abstract
Relapse remains one of the major obstacles in Philadelphia chromosome-positive acute lymphoblastic leukemia (Ph+ALL) even after allogeneic hematopoietic stem cell transplantation. The persistence of leukemia-propagating cells (LPCs) may lead to the recurrence of Ph+ALL. Using a xenograft assay, LPCs enrichment in the CD34+CD38-CD58- fraction in Ph+ALL was recently identified. A further cohort study indicated that the LPCs phenotype at diagnosis was an independent risk factor for relapse of Ph+ALL. However, little is known about the potential molecular mechanism of LPCs-mediated relapse. Therefore, the gene expression profiles of the sorted LPCs and other cell fractions from patients with de novo Ph+ALL were investigated using RNA sequencing (RNA-Seq). Most of the differentially expressed genes between the LPCs and other cell fractions were related to the regulation of the cell cycle and metabolism, as identified by the gene ontology (GO) enrichment and Kyoto Encyclopedia of Genes and Genomes (KEGG) analyses. Consistent with the RNA-Seq results, the mRNA levels of cell cycle-related genes, such as cyclin-dependent kinase 4, were significantly lower in the LPCs fraction than in other cell fractions. Moreover, the proportion of quiescent cells in LPCs was significantly higher than in other cell fractions. In summary, distinctive gene expression profiles and clusters, which were mostly related to the regulation of the cell cycle and metabolism, were demonstrated between LPCs and other cell fractions from patients with de novo Ph+ALL. Therefore, it would be beneficial to develop novel LPCs-based therapeutic strategies for Ph+ALL patients.
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41
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Zhang J, Lei W, Chen X, Wang S, Qian W. Oxidative stress response induced by chemotherapy in leukemia treatment. Mol Clin Oncol 2018; 8:391-399. [PMID: 29599981 PMCID: PMC5867396 DOI: 10.3892/mco.2018.1549] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Accepted: 12/06/2017] [Indexed: 12/14/2022] Open
Abstract
Oxidative stress (OS) has been linked to the etiology and development of leukemia as reactive oxygen species (ROS) and free radicals have been implicated in leukemogenesis. OS has beneficial and deleterious effects in the pathogenesis and progression of leukemia. High-dose chemotherapy, which is frequently used in leukemia treatment, is often accompanied by ROS-induced cytotoxicity. Thus, the utilization of chemotherapy in combination with antioxidants may attenuate leukemia progression, particularly for cases of refractory or relapsed neoplasms. The present review focuses on exploring the roles of OS in leukemogenesis and characterizing the associations between ROS and chemotherapy. Certain examples of treatment regimens wherein antioxidants are combined with chemotherapy are presented, in order to highlight the importance of antioxidant application in leukemia treatment, as well as the conflicting opinions regarding this method of therapy. Understanding the underlying mechanisms of OS generation will facilitate the elucidation of novel approaches to leukemia treatment.
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Affiliation(s)
- Jin Zhang
- Department of Hematology, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, P.R. China
| | - Wen Lei
- Department of Hematology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, P.R. China
| | - Xiaohui Chen
- Department of Hematology, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, Zhejiang 310015, P.R. China
| | - Shibing Wang
- Clinical Research Institute, Zhejiang Provincial People's Hospital, Hangzhou, Zhejiang 310014, P.R. China
| | - Wenbin Qian
- Department of Hematology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, P.R. China
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42
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Anderson G, Mackay N, Gilroy K, Hay J, Borland G, McDonald A, Bell M, Hassanudin SA, Cameron E, Neil JC, Kilbey A. RUNX-mediated growth arrest and senescence are attenuated by diverse mechanisms in cells expressing RUNX1 fusion oncoproteins. J Cell Biochem 2017; 119:2750-2762. [PMID: 29052866 PMCID: PMC5813226 DOI: 10.1002/jcb.26443] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Accepted: 10/04/2017] [Indexed: 01/27/2023]
Abstract
RUNX gene over‐expression inhibits growth of primary cells but transforms cells with tumor suppressor defects, consistent with reported associations with tumor progression. In contrast, chromosomal translocations involving RUNX1 are detectable in utero, suggesting an initiating role in leukemias. How do cells expressing RUNX1 fusion oncoproteins evade RUNX‐mediated growth suppression? Previous studies showed that the TEL‐RUNX1 fusion from t(12;21) B‐ALLs is unable to induce senescence‐like growth arrest (SLGA) in primary fibroblasts while potent activity is displayed by the RUNX1‐ETO fusion found in t(8;21) AMLs. We now show that SLGA potential is suppressed in TEL‐RUNX1 but reactivated by deletion of the TEL HLH domain or mutation of a key residue (K99R). Attenuation of SLGA activity is also a feature of RUNX1‐ETO9a, a minor product of t(8;21) translocations with increased leukemogenicity. Finally, while RUNX1‐ETO induces SLGA it also drives a potent senescence‐associated secretory phenotype (SASP), and promotes the immortalization of rare cells that escape SLGA. Moreover, the RUNX1‐ETO SASP is not strictly linked to growth arrest as it is largely suppressed by RUNX1 and partially activated by RUNX1‐ETO9a. These findings underline the heterogeneous nature of premature senescence and the multiple mechanisms by which this failsafe process is subverted in cells expressing RUNX1 oncoproteins.
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Affiliation(s)
- Gail Anderson
- Molecular Oncology Laboratory, Centre for Virus Research, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, UK
| | - Nancy Mackay
- Molecular Oncology Laboratory, Centre for Virus Research, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, UK
| | - Kathryn Gilroy
- Molecular Oncology Laboratory, Centre for Virus Research, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, UK
| | - Jodie Hay
- Molecular Oncology Laboratory, Centre for Virus Research, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, UK
| | - Gillian Borland
- Molecular Oncology Laboratory, Centre for Virus Research, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, UK
| | - Alma McDonald
- Molecular Oncology Laboratory, Centre for Virus Research, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, UK
| | - Margaret Bell
- School of Veterinary Medicine, University of Glasgow, Glasgow, UK
| | - Siti Ayuni Hassanudin
- Molecular Oncology Laboratory, Centre for Virus Research, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, UK
| | - Ewan Cameron
- School of Veterinary Medicine, University of Glasgow, Glasgow, UK
| | - James C Neil
- Molecular Oncology Laboratory, Centre for Virus Research, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, UK
| | - Anna Kilbey
- Molecular Oncology Laboratory, Centre for Virus Research, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, UK
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43
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Di Marcantonio D, Martinez E, Sidoli S, Vadaketh J, Nieborowska-Skorska M, Gupta A, Meadows JM, Ferraro F, Masselli E, Challen GA, Milsom MD, Scholl C, Fröhling S, Balachandran S, Skorski T, Garcia BA, Mirandola P, Gobbi G, Garzon R, Vitale M, Sykes SM. Protein Kinase C Epsilon Is a Key Regulator of Mitochondrial Redox Homeostasis in Acute Myeloid Leukemia. Clin Cancer Res 2017; 24:608-618. [PMID: 29127121 DOI: 10.1158/1078-0432.ccr-17-2684] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2017] [Revised: 10/15/2017] [Accepted: 11/06/2017] [Indexed: 12/11/2022]
Abstract
Purpose: The intracellular redox environment of acute myeloid leukemia (AML) cells is often highly oxidized compared to healthy hematopoietic progenitors and this is purported to contribute to disease pathogenesis. However, the redox regulators that allow AML cell survival in this oxidized environment remain largely unknown.Experimental Design: Utilizing several chemical and genetically-encoded redox sensing probes across multiple human and mouse models of AML, we evaluated the role of the serine/threonine kinase PKC-epsilon (PKCε) in intracellular redox biology, cell survival and disease progression.Results: We show that RNA interference-mediated inhibition of PKCε significantly reduces patient-derived AML cell survival as well as disease onset in a genetically engineered mouse model (GEMM) of AML driven by MLL-AF9. We also show that PKCε inhibition induces multiple reactive oxygen species (ROS) and that neutralization of mitochondrial ROS with chemical antioxidants or co-expression of the mitochondrial ROS-buffering enzymes SOD2 and CAT, mitigates the anti-leukemia effects of PKCε inhibition. Moreover, direct inhibition of SOD2 increases mitochondrial ROS and significantly impedes AML progression in vivo Furthermore, we report that PKCε over-expression protects AML cells from otherwise-lethal doses of mitochondrial ROS-inducing agents. Proteomic analysis reveals that PKCε may control mitochondrial ROS by controlling the expression of regulatory proteins of redox homeostasis, electron transport chain flux, as well as outer mitochondrial membrane potential and transport.Conclusions: This study uncovers a previously unrecognized role for PKCε in supporting AML cell survival and disease progression by regulating mitochondrial ROS biology and positions mitochondrial redox regulators as potential therapeutic targets in AML. Clin Cancer Res; 24(3); 608-18. ©2017 AACR.
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Affiliation(s)
| | | | - Simone Sidoli
- Penn Epigenetics Institute, Department of Biochemistry and Biophysics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Jessica Vadaketh
- Fox Chase Cancer Center, Philadelphia, Pennsylvania.,Immersion Science Program, Fox Chase Cancer Center, Philadelphia, Pennsylvania
| | - Margaret Nieborowska-Skorska
- Department of Microbiology and Immunology, Fels Institute for Cancer Research and Molecular Biology, Temple University School of Medicine, Philadelphia, Pennsylvania
| | - Anushk Gupta
- Fox Chase Cancer Center, Philadelphia, Pennsylvania.,Immersion Science Program, Fox Chase Cancer Center, Philadelphia, Pennsylvania
| | | | | | - Elena Masselli
- Department of Medicine and Surgery (DiMeC), University of Parma, Parma, Italy
| | - Grant A Challen
- Division of Oncology, Department of Internal Medicine, Washington University School of Medicine, Saint Louis, Missouri
| | - Michael D Milsom
- Division of Experimental Hematology, German Cancer Research Center (DKFZ) Heidelberg, Germany.,Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM), Heidelberg, Germany
| | - Claudia Scholl
- Department of Translational Oncology, NCT Heidelberg, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Stefan Fröhling
- Department of Translational Oncology, NCT Heidelberg, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | | | - Tomasz Skorski
- Department of Microbiology and Immunology, Fels Institute for Cancer Research and Molecular Biology, Temple University School of Medicine, Philadelphia, Pennsylvania
| | - Benjamin A Garcia
- Penn Epigenetics Institute, Department of Biochemistry and Biophysics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Prisco Mirandola
- Department of Medicine and Surgery (DiMeC), University of Parma, Parma, Italy
| | - Giuliana Gobbi
- Department of Medicine and Surgery (DiMeC), University of Parma, Parma, Italy
| | - Ramiro Garzon
- Division of Hematology, The Ohio State University, Columbus, Ohio
| | - Marco Vitale
- Department of Medicine and Surgery (DiMeC), University of Parma, Parma, Italy.,CoreLab, Parma University Hospital, Parma, Italy
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44
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Rodic S, Vincent MD. Reactive oxygen species (ROS) are a key determinant of cancer's metabolic phenotype. Int J Cancer 2017; 142:440-448. [PMID: 28940517 DOI: 10.1002/ijc.31069] [Citation(s) in RCA: 113] [Impact Index Per Article: 16.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2017] [Revised: 08/28/2017] [Accepted: 09/11/2017] [Indexed: 12/21/2022]
Abstract
Cancer cells exhibit a wide range of metabolic phenotypes, ranging from strict aerobic glycolysis to increased mitochondrial respiration. The cause and utility of this metabolic variation is poorly understood. Given that cancer cells experience heavy selection within their microenvironment, survival requires metabolic adaptation to both extracellular and intracellular conditions. Herein, we suggest that reactive oxygen species (ROS) are a key determinant of cancer's metabolic phenotype. Intracellular ROS levels can be modified by an assortment of critical parameters including oxygenation, glucose availability and growth factors. ROS act as integrators of environmental information as well as downstream effectors of signaling pathways. Maintaining ROS within a narrow range allows malignant cells to enhance growth and invasion while limiting their apoptotic susceptibility. Cancer cells actively modify their metabolism to optimize intracellular ROS levels and thereby improve survival. Furthermore, we highlight distinct metabolic phenotypes in response to oxidative stress and their tumorigenic drivers.
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Affiliation(s)
- Stefan Rodic
- Schulich School of Medicine and Dentistry, 1151 Richmond St, Western University, London, ON, Canada
| | - Mark David Vincent
- Schulich School of Medicine and Dentistry, 1151 Richmond St, Western University, London, ON, Canada.,Department of Medical Oncology, London Regional Cancer Program, 800 Commissioners Road East, London, ON, Canada
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45
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Ji F, Shen T, Zou W, Jiao J. UCP2 Regulates Embryonic Neurogenesis via ROS-Mediated Yap Alternation in the Developing Neocortex. Stem Cells 2017; 35:1479-1492. [DOI: 10.1002/stem.2605] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2016] [Revised: 01/18/2017] [Accepted: 02/18/2017] [Indexed: 01/06/2023]
Affiliation(s)
- Fen Ji
- State Key Laboratory of Stem Cell and Reproductive Biology; Institute of Zoology, Chinese Academy of Sciences; Beijing People's Republic of China
| | - Tianjin Shen
- State Key Laboratory of Stem Cell and Reproductive Biology; Institute of Zoology, Chinese Academy of Sciences; Beijing People's Republic of China
- University of Chinese Academy of Sciences; Beijing People's Republic of China
| | - Wenzheng Zou
- State Key Laboratory of Stem Cell and Reproductive Biology; Institute of Zoology, Chinese Academy of Sciences; Beijing People's Republic of China
- College of Life Sciences; Qufu Normal University; Qufu Shandong People's Republic of China
| | - Jianwei Jiao
- State Key Laboratory of Stem Cell and Reproductive Biology; Institute of Zoology, Chinese Academy of Sciences; Beijing People's Republic of China
- University of Chinese Academy of Sciences; Beijing People's Republic of China
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46
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Zhu H, Kwak HJ, Liu P, Bajrami B, Xu Y, Park SY, Nombela-Arrieta C, Mondal S, Kambara H, Yu H, Chai L, Silberstein LE, Cheng T, Luo HR. Reactive Oxygen Species-Producing Myeloid Cells Act as a Bone Marrow Niche for Sterile Inflammation-Induced Reactive Granulopoiesis. THE JOURNAL OF IMMUNOLOGY 2017; 198:2854-2864. [PMID: 28235862 DOI: 10.4049/jimmunol.1602006] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2016] [Accepted: 01/24/2017] [Indexed: 12/30/2022]
Abstract
Both microbial infection and sterile inflammation augment bone marrow (BM) neutrophil production, but whether the induced accelerated granulopoiesis is mediated by a common pathway and the nature of such a pathway are poorly defined. We recently established that BM myeloid cell-derived reactive oxygen species (ROS) externally regulate myeloid progenitor proliferation and differentiation in bacteria-elicited emergency granulopoiesis. In this article, we show that BM ROS levels are also elevated during sterile inflammation. Similar to in microbial infection, ROS were mainly generated by the phagocytic NADPH oxidase in Gr1+ myeloid cells. The myeloid cells and their ROS were uniformly distributed in the BM when visualized by multiphoton intravital microscopy, and ROS production was both required and sufficient for sterile inflammation-elicited reactive granulopoiesis. Elevated granulopoiesis was mediated by ROS-induced phosphatase and tensin homolog oxidation and deactivation, leading to upregulated PtdIns(3,4,5)P3 signaling and increased progenitor cell proliferation. Collectively, these results demonstrate that, although infection-induced emergency granulopoiesis and sterile inflammation-elicited reactive granulopoiesis are triggered by different stimuli and are mediated by distinct upstream signals, the pathways converge to NADPH oxidase-dependent ROS production by BM myeloid cells. Thus, BM Gr1+ myeloid cells represent a key hematopoietic niche that supports accelerated granulopoiesis in infective and sterile inflammation. This niche may be an excellent target in various immune-mediated pathologies or immune reconstitution after BM transplantation.
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Affiliation(s)
- Haiyan Zhu
- The State Key Laboratory of Experimental Hematology, Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300020, China
| | - Hyun-Jeong Kwak
- Department of Pathology, Harvard Medical School, Boston, MA 02115
| | - Peng Liu
- The State Key Laboratory of Experimental Hematology, Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300020, China
| | - Besnik Bajrami
- Department of Pathology, Harvard Medical School, Boston, MA 02115
| | - Yuanfu Xu
- The State Key Laboratory of Experimental Hematology, Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300020, China
| | - Shin-Young Park
- Department of Pathology, Harvard Medical School, Boston, MA 02115
| | | | - Subhanjan Mondal
- Department of Pathology, Harvard Medical School, Boston, MA 02115
| | - Hiroto Kambara
- Department of Pathology, Harvard Medical School, Boston, MA 02115
| | - Hongbo Yu
- Department of Hematopathology, VA Boston Healthcare System, West Roxbury, MA 02132
| | - Li Chai
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115 and.,Joint Program in Transfusion Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115
| | | | - Tao Cheng
- The State Key Laboratory of Experimental Hematology, Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300020, China
| | - Hongbo R Luo
- Department of Pathology, Harvard Medical School, Boston, MA 02115;
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47
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Chifman J, Arat S, Deng Z, Lemler E, Pino JC, Harris LA, Kochen MA, Lopez CF, Akman SA, Torti FM, Torti SV, Laubenbacher R. Activated Oncogenic Pathway Modifies Iron Network in Breast Epithelial Cells: A Dynamic Modeling Perspective. PLoS Comput Biol 2017; 13:e1005352. [PMID: 28166223 PMCID: PMC5293201 DOI: 10.1371/journal.pcbi.1005352] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2016] [Accepted: 01/08/2017] [Indexed: 12/21/2022] Open
Abstract
Dysregulation of iron metabolism in cancer is well documented and it has been suggested that there is interdependence between excess iron and increased cancer incidence and progression. In an effort to better understand the linkages between iron metabolism and breast cancer, a predictive mathematical model of an expanded iron homeostasis pathway was constructed that includes species involved in iron utilization, oxidative stress response and oncogenic pathways. The model leads to three predictions. The first is that overexpression of iron regulatory protein 2 (IRP2) recapitulates many aspects of the alterations in free iron and iron-related proteins in cancer cells without affecting the oxidative stress response or the oncogenic pathways included in the model. This prediction was validated by experimentation. The second prediction is that iron-related proteins are dramatically affected by mitochondrial ferritin overexpression. This prediction was validated by results in the pertinent literature not used for model construction. The third prediction is that oncogenic Ras pathways contribute to altered iron homeostasis in cancer cells. This prediction was validated by a combination of simulation experiments of Ras overexpression and catalase knockout in conjunction with the literature. The model successfully captures key aspects of iron metabolism in breast cancer cells and provides a framework upon which more detailed models can be built. Iron is required for cellular metabolism and growth, but can be toxic due to its ability to cause high oxidative stress and consequently DNA damage. To prevent damage, all organisms that require iron have developed mechanisms to tightly control iron levels. Dysregulation of iron metabolism is detrimental and can contribute to a wide range of diseases, including cancer. This paper presents a predictive mathematical model of iron regulation linked to iron utilization, oxidative stress, and the oncogenic response specific to normal breast epithelial cells. The model uses a discrete modeling framework to generate novel biological hypotheses for an investigation of how normal breast cells become malignant cells, capturing a breast cancer phenotype of iron homeostasis through overexpression and knockout simulations. The new biology discovered is (1) IRP2 overexpression alters the iron homeostasis pathway in breast cells, without affecting the oxidative stress response or oncogenic pathways, (2) an activated oncogenic pathway disrupts iron regulation in breast cancer cells.
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Affiliation(s)
- Julia Chifman
- Department of Mathematics and Statistics, American University, Washington, DC, USA
| | - Seda Arat
- The Jackson Laboratory, Bar Harbor, ME, USA
| | - Zhiyong Deng
- Department of Molecular Biology and Biophysics, University of Connecticut Health Center, Farmington, CT, USA
| | - Erica Lemler
- Department of Molecular Biology and Biophysics, University of Connecticut Health Center, Farmington, CT, USA
| | - James C. Pino
- Chemical and Physical Biology Graduate Program, Vanderbilt University, Nashville, TN, USA
| | - Leonard A. Harris
- Department of Cancer Biology, Vanderbilt University, Nashville, TN, USA
| | - Michael A. Kochen
- Department of Biomedical Informatics, Vanderbilt University, Nashville, TN, USA
| | - Carlos F. Lopez
- Department of Cancer Biology, Vanderbilt University, Nashville, TN, USA
- Department of Biomedical Informatics, Vanderbilt University, Nashville, TN, USA
- Center for Quantitative Science, Vanderbilt University, Nashville, TN, USA
| | - Steven A. Akman
- Cancer Program, Roper St Francis HealthCare, Charleston, SC, USA
| | - Frank M. Torti
- Department of Medicine, University of Connecticut Health Center, Farmington, CT, USA
| | - Suzy V. Torti
- Department of Molecular Biology and Biophysics, University of Connecticut Health Center, Farmington, CT, USA
| | - Reinhard Laubenbacher
- Center for Quantitative Medicine, University of Connecticut Health Center, Farmington, CT, USA
- The Jackson Laboratory for Genomic Medicine, Farmington, CT, USA
- * E-mail:
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48
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NOX-driven ROS formation in cell transformation of FLT3-ITD-positive AML. Exp Hematol 2016; 44:1113-1122. [DOI: 10.1016/j.exphem.2016.08.008] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2016] [Accepted: 08/28/2016] [Indexed: 12/22/2022]
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49
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Khan N, Hills RK, Knapper S, Steadman L, Qureshi U, Rector JL, Bradbury C, Russell NH, Vyas P, Burnett AK, Grimwade D, Hole PS, Freeman SD. Normal Hematopoietic Progenitor Subsets Have Distinct Reactive Oxygen Species, BCL2 and Cell-Cycle Profiles That Are Decoupled from Maturation in Acute Myeloid Leukemia. PLoS One 2016; 11:e0163291. [PMID: 27669008 PMCID: PMC5036879 DOI: 10.1371/journal.pone.0163291] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2016] [Accepted: 09/05/2016] [Indexed: 02/07/2023] Open
Abstract
In acute myeloid leukemia (AML) quiescence and low oxidative state, linked to BCL2 mitochondrial regulation, endow leukemic stem cells (LSC) with treatment-resistance. LSC in CD34+ and more mature CD34- AML have heterogeneous immunophenotypes overlapping with normal stem/progenitor cells (SPC) but may be differentiated by functional markers. We therefore investigated the oxidative/reactive oxygen species (ROS) profile, its relationship with cell-cycle/BCL2 for normal SPC, and whether altered in AML and myelodysplasia (MDS). In control BM (n = 24), ROS levels were highest in granulocyte-macrophage progenitors (GMP) and CD34- myeloid precursors but megakaryocyte-erythroid progenitors had equivalent levels to CD34+CD38low immature-SPC although they were ki67high. BCL2 upregulation was specific to GMPs. This profile was also observed for CD34+SPC in MDS-without-excess-blasts (MDS-noEB, n = 12). Erythroid CD34- precursors were, however, abnormally ROS-high in MDS-noEB, potentially linking oxidative stress to cell loss. In pre-treatment AML (n = 93) and MDS-with-excess-blasts (MDS-RAEB) (n = 14), immunophenotypic mature-SPC had similar ROS levels to co-existing immature-SPC. However ROS levels varied between AMLs; Flt3ITD+/NPM1wild-type CD34+SPC had higher ROS than NPM1mutated CD34+ or CD34- SPC. An aberrant ki67lowBCL2high immunophenotype was observed in CD34+AML (most prominent in Flt3ITD AMLs) but also in CD34- AMLs and MDS-RAEB, suggesting a shared redox/pro-survival adaptation. Some patients had BCL2 overexpression in CD34+ ROS-high as well as ROS-low fractions which may be indicative of poor early response to standard chemotherapy. Thus normal SPC subsets have distinct ROS, cell-cycle, BCL2 profiles that in AML /MDS-RAEB are decoupled from maturation. The combined profile of these functional properties in AML subpopulations may be relevant to differential treatment resistance.
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Affiliation(s)
- Naeem Khan
- Department of Clinical Immunology, Institute of Immunology and Immunotherapy, University of Birmingham, Edgbaston, Birmingham, United Kingdom
| | - Robert K. Hills
- Department of Haematology, Cardiff University School of Medicine, University Hospital Wales, Cardiff, United Kingdom
| | - Steve Knapper
- Department of Haematology, Cardiff University School of Medicine, University Hospital Wales, Cardiff, United Kingdom
| | - Lora Steadman
- Department of Clinical Immunology, Institute of Immunology and Immunotherapy, University of Birmingham, Edgbaston, Birmingham, United Kingdom
| | - Ushna Qureshi
- Department of Clinical Immunology, Institute of Immunology and Immunotherapy, University of Birmingham, Edgbaston, Birmingham, United Kingdom
| | - Jerrald L. Rector
- Department of Clinical Immunology, Institute of Immunology and Immunotherapy, University of Birmingham, Edgbaston, Birmingham, United Kingdom
| | - Charlotte Bradbury
- School of Cellular and Molecular Medicine, University of Bristol, Bristol, United Kingdom
| | - Nigel H. Russell
- Centre for Clinical Haematology, Nottingham University Hospital NHS Trust, Nottingham, United Kingdom
| | - Paresh Vyas
- Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, United Kingdom
| | - Alan K. Burnett
- Department of Haematology, Cardiff University School of Medicine, University Hospital Wales, Cardiff, United Kingdom
| | - David Grimwade
- Department of Medical and Molecular Genetics, King’s College London School of Medicine, Guy’s & St. Thomas’ NHS Foundation Trust, London, United Kingdom
| | - Paul S. Hole
- Department of Haematology, Cardiff University School of Medicine, University Hospital Wales, Cardiff, United Kingdom
| | - Sylvie D. Freeman
- Department of Clinical Immunology, Institute of Immunology and Immunotherapy, University of Birmingham, Edgbaston, Birmingham, United Kingdom
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Bessler WK, Hudson FZ, Zhang H, Harris V, Wang Y, Mund JA, Downing B, Ingram DA, Case J, Fulton DJ, Stansfield BK. Neurofibromin is a novel regulator of Ras-induced reactive oxygen species production in mice and humans. Free Radic Biol Med 2016; 97:212-222. [PMID: 27266634 PMCID: PMC5765860 DOI: 10.1016/j.freeradbiomed.2016.06.002] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Revised: 05/25/2016] [Accepted: 06/02/2016] [Indexed: 12/22/2022]
Abstract
Neurofibromatosis type 1 (NF1) predisposes individuals to early and debilitating cardiovascular disease. Loss of function mutations in the NF1 tumor suppressor gene, which encodes the protein neurofibromin, leads to accelerated p21(Ras) activity and phosphorylation of multiple downstream kinases, including Erk and Akt. Nf1 heterozygous (Nf1(+/-)) mice develop a robust neointima that mimics human disease. Monocytes/macrophages play a central role in NF1 arterial stenosis as Nf1 mutations in myeloid cells alone are sufficient to reproduce the enhanced neointima observed in Nf1(+/-) mice. Though the molecular mechanisms underlying NF1 arterial stenosis remain elusive, macrophages are important producers of reactive oxygen species (ROS) and Ras activity directly regulates ROS production. Here, we use compound mutant and lineage-restricted mice to demonstrate that Nf1(+/-) macrophages produce excessive ROS, which enhance Nf1(+/-) smooth muscle cell proliferation in vitro and in vivo. Further, use of a specific NADPH oxidase-2 inhibitor to limit ROS production prevents neointima formation in Nf1(+/-) mice. Finally, mononuclear cells from asymptomatic NF1 patients have increased oxidative DNA damage, an indicator of chronic exposure to oxidative stress. These data provide genetic and pharmacologic evidence that excessive exposure to oxidant species underlie NF1 arterial stenosis and provide a platform for designing novels therapies and interventions.
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Affiliation(s)
- Waylan K Bessler
- Herman B. Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis 46202, United States; Department of Pediatrics and Neonatal-Perinatal Medicine, Indiana University School of Medicine, Indianapolis 46202, United States; Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis 46202, United States
| | - Farlyn Z Hudson
- Department of Pediatrics and Neonatal-Perinatal Medicine, Augusta University, Augusta, GA 30912, United States; Vascular Biology Center, Augusta University, Augusta, GA 30912, United States
| | - Hanfang Zhang
- Department of Pediatrics and Neonatal-Perinatal Medicine, Augusta University, Augusta, GA 30912, United States; Vascular Biology Center, Augusta University, Augusta, GA 30912, United States
| | - Valerie Harris
- Department of Pediatrics and Neonatal-Perinatal Medicine, Augusta University, Augusta, GA 30912, United States; Vascular Biology Center, Augusta University, Augusta, GA 30912, United States
| | - Yusi Wang
- Vascular Biology Center, Augusta University, Augusta, GA 30912, United States; Department of Pharmacology and Toxicology, Augusta University, Augusta, GA 30912, United States
| | - Julie A Mund
- Herman B. Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis 46202, United States; Department of Pediatrics and Neonatal-Perinatal Medicine, Indiana University School of Medicine, Indianapolis 46202, United States; Melvin and Bren Simon Cancer Center, Indiana University School of Medicine, Indianapolis 46202, United States
| | - Brandon Downing
- Herman B. Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis 46202, United States; Department of Pediatrics and Neonatal-Perinatal Medicine, Indiana University School of Medicine, Indianapolis 46202, United States
| | - David A Ingram
- Herman B. Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis 46202, United States; Department of Pediatrics and Neonatal-Perinatal Medicine, Indiana University School of Medicine, Indianapolis 46202, United States; Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis 46202, United States
| | - Jamie Case
- Herman B. Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis 46202, United States; Melvin and Bren Simon Cancer Center, Indiana University School of Medicine, Indianapolis 46202, United States; Scripps Clinic Medical Group, Center for Organ and Cell Transplantation, La Jolla, CA 92037, United States
| | - David J Fulton
- Vascular Biology Center, Augusta University, Augusta, GA 30912, United States; Department of Pharmacology and Toxicology, Augusta University, Augusta, GA 30912, United States
| | - Brian K Stansfield
- Department of Pediatrics and Neonatal-Perinatal Medicine, Augusta University, Augusta, GA 30912, United States; Vascular Biology Center, Augusta University, Augusta, GA 30912, United States.
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