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Huang Y, Li L, Li Y, Lu N, Qin H, Wang R, Li W, Cheng Z, Li Z, Kang P, Ye H, Gao Q. Knockdown of LncRNA Lcn2-204 alleviates sepsis-induced myocardial injury by regulation of iron overload and ferroptosis. J Mol Cell Cardiol 2024; 192:79-93. [PMID: 38761990 DOI: 10.1016/j.yjmcc.2024.05.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 05/09/2024] [Accepted: 05/15/2024] [Indexed: 05/20/2024]
Abstract
Ferroptosis is an iron-dependent programmed cell death form resulting from lipid peroxidation damage, it plays a key role in organ damage and tumor development from various causes. Sepsis leads to severe host response after infection with high mortality. The long non-coding RNAs (LncRNAs) are involved in different pathophysiological mechanisms of multiple diseases. Here, we used cecal ligation and puncture (CLP) operation to mimic sepsis induced myocardial injury (SIMI) in mouse model, and LncRNAs and mRNAs were profiled by Arraystar mouse LncRNA Array V3.0. Based on the microarray results, 552 LncRNAs and 520 mRNAs were differentially expressed in the sham and CLP groups, among them, LncRNA Lcn2-204 was the highest differentially expressed up-regulated LncRNA. Iron metabolism disorder was involved in SIMI by bioinformatics analysis, meanwhile, myocardial iron content and lipocalin-2 (Lcn2) protein expressions were increased. The CNC network comprised 137 positive interactions and 138 negative interactions. Bioinformatics analysis showed several iron-related terms were enriched and six genes (Scara5, Tfrc, Lcn2, Cp, Clic5, Ank1) were closely associated with iron metabolism. Then, we constructed knockdown LncRNA Lcn2-204 targeting myocardium and found that it ameliorated cardiac injury in mouse sepsis model through modulating iron overload and ferroptosis. In addition, we found that LncRNA Lcn2-204 was involved in the regulation of Lcn2 expression in septic myocardial injury. Based on these findings, we conclude that iron overload and ferroptosis are the key mechanisms leading to myocardial injury in sepsis, knockdown of LncRNA Lcn2-204 plays the cardioprotective effect through inhibition of iron overload, ferroptosis and Lcn2 expression. It may provide a novel therapeutic approach to ameliorate sepsis-induced myocardial injury.
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Affiliation(s)
- Yuhui Huang
- Department of Physiology, Bengbu Medical University, Bengbu 233030, China; Key Laboratory of Basic and Clinical Cardiovascular Diseases, Bengbu Medical University, Bengbu 233030, China
| | - Lu Li
- Department of Physiology, Bengbu Medical University, Bengbu 233030, China; Key Laboratory of Basic and Clinical Cardiovascular Diseases, Bengbu Medical University, Bengbu 233030, China
| | - Yuping Li
- Department of Life Sciences, Bengbu Medical University, Bengbu 233030, China; Key Laboratory of Basic and Clinical Cardiovascular Diseases, Bengbu Medical University, Bengbu 233030, China
| | - Na Lu
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Bengbu Medical University, Bengbu 233000, China
| | - Hongqian Qin
- Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Bengbu Medical University, Bengbu 233000, China
| | - Rui Wang
- Key Laboratory of Basic and Clinical Cardiovascular Diseases, Bengbu Medical University, Bengbu 233030, China
| | - Wentao Li
- Department of Clinical Medicine, Bengbu Medical University, Bengbu 233000, China
| | - Zhipeng Cheng
- Department of Clinical Medicine, Bengbu Medical University, Bengbu 233000, China
| | - Zhenghong Li
- Department of Physiology, Bengbu Medical University, Bengbu 233030, China; Key Laboratory of Basic and Clinical Cardiovascular Diseases, Bengbu Medical University, Bengbu 233030, China
| | - Pinfang Kang
- Key Laboratory of Basic and Clinical Cardiovascular Diseases, Bengbu Medical University, Bengbu 233030, China; Department of Cardiovascular Medicine, the First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui 233000, China
| | - Hongwei Ye
- Department of Physiology, Bengbu Medical University, Bengbu 233030, China; Key Laboratory of Basic and Clinical Cardiovascular Diseases, Bengbu Medical University, Bengbu 233030, China.
| | - Qin Gao
- Department of Physiology, Bengbu Medical University, Bengbu 233030, China; Key Laboratory of Basic and Clinical Cardiovascular Diseases, Bengbu Medical University, Bengbu 233030, China.
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2
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Frydrych A, Frankowski M, Jurowski K. The toxicological analysis and assessment of essential elements (Cu, Fe, Mn, Zn) in Food for Special Medical Purposes (FSMP) dedicated to oncological patients available in Polish pharmacies. Food Chem Toxicol 2024; 189:114768. [PMID: 38810942 DOI: 10.1016/j.fct.2024.114768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2024] [Revised: 05/23/2024] [Accepted: 05/25/2024] [Indexed: 05/31/2024]
Abstract
Foods for Special Medical Purposes (FSMP) for oncology patients, available in pharmacies, play a crucial role in providing nutrition and supplementation. However, the scientific literature lacks comprehensive research on the safety of essential trace elements in these products. This study aimed to assess Cu, Fe, Mn and Zn levels in commonly prescribed FSMPs (n = 23) from Polish pharmacies. Using ICP-MS after microwave-induced digestion (using concentrated nitric acid and hydrogen peroxide), we evaluated element levels. Our research used three approaches: the raw score for Cu, Fe, Mn, and Zn; single intake per serving; and the daily ration, compared with the reference values of the European Food Safety Authority. Discrepancies were found between the actual and declared product compositions, influenced by the route of administration and the recommended intake. Despite variations, all products were considered safe for oncological patients based on current evidence. However, it is recommended to have clear guidelines for FSMPs in cancer care. This pioneering study evaluates the safety and quality of prescription FSMPs for cancer patients from toxicological and nutritional perspectives, highlighting the need for standardised protocols in pharmacy-dispensed FSMPs.
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Affiliation(s)
- Adrian Frydrych
- Laboratory of Innovative Toxicological Research and Analyzes, Institute of Medical Sciences, Medical College, Rzeszów University, Al. mjr. W. Kopisto 2a, 35-959, Rzeszów, Poland
| | - Marcin Frankowski
- Department of Analytical and Environmental Chemistry, Faculty of Chemistry, Adam Mickiewicz University in Poznań, Uniwersytetu Poznańskiego 8, 61-614, Poznań, Poland
| | - Kamil Jurowski
- Laboratory of Innovative Toxicological Research and Analyzes, Institute of Medical Sciences, Medical College, Rzeszów University, Al. mjr. W. Kopisto 2a, 35-959, Rzeszów, Poland; Department of Regulatory and Forensic Toxicology, Institute of Medical Expertises in Łódź, ul. Aleksandrowska 67/93, 91-205, Łódź, Poland.
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Jing Q, Zhou C, Zhang J, Zhang P, Wu Y, Zhou J, Tong X, Li Y, Du J, Wang Y. Role of reactive oxygen species in myelodysplastic syndromes. Cell Mol Biol Lett 2024; 29:53. [PMID: 38616283 PMCID: PMC11017617 DOI: 10.1186/s11658-024-00570-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 03/27/2024] [Indexed: 04/16/2024] Open
Abstract
Reactive oxygen species (ROS) serve as typical metabolic byproducts of aerobic life and play a pivotal role in redox reactions and signal transduction pathways. Contingent upon their concentration, ROS production not only initiates or stimulates tumorigenesis but also causes oxidative stress (OS) and triggers cellular apoptosis. Mounting literature supports the view that ROS are closely interwoven with the pathogenesis of a cluster of diseases, particularly those involving cell proliferation and differentiation, such as myelodysplastic syndromes (MDS) and chronic/acute myeloid leukemia (CML/AML). OS caused by excessive ROS at physiological levels is likely to affect the functions of hematopoietic stem cells, such as cell growth and self-renewal, which may contribute to defective hematopoiesis. We review herein the eminent role of ROS in the hematological niche and their profound influence on the progress of MDS. We also highlight that targeting ROS is a practical and reliable tactic for MDS therapy.
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Affiliation(s)
- Qiangan Jing
- Laboratory Medicine Center, Department of Clinical Laboratory, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, 310014, Zhejiang, China
- HEALTH BioMed Research & Development Center, Health BioMed Co., Ltd, Ningbo, 315803, Zhejiang, China
| | - Chaoting Zhou
- Laboratory Medicine Center, Department of Clinical Laboratory, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, 310014, Zhejiang, China
| | - Junyu Zhang
- Department of Hematology, Lishui Central Hospital, Lishui, 323000, Zhejiang, China
| | - Ping Zhang
- Laboratory Medicine Center, Department of Clinical Laboratory, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, 310014, Zhejiang, China
| | - Yunyi Wu
- Laboratory Medicine Center, Department of Clinical Laboratory, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, 310014, Zhejiang, China
| | - Junyu Zhou
- Laboratory Medicine Center, Department of Clinical Laboratory, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, 310014, Zhejiang, China
| | - Xiangmin Tong
- Department of Central Laboratory, Affiliated Hangzhou First People's Hospital, School of Medicine, Westlake University, Hangzhou, 310006, Zhejiang, China
| | - Yanchun Li
- Department of Central Laboratory, Affiliated Hangzhou First People's Hospital, School of Medicine, Westlake University, Hangzhou, 310006, Zhejiang, China.
| | - Jing Du
- Laboratory Medicine Center, Department of Clinical Laboratory, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, 310014, Zhejiang, China.
| | - Ying Wang
- Department of Central Laboratory, Affiliated Hangzhou First People's Hospital, School of Medicine, Westlake University, Hangzhou, 310006, Zhejiang, China.
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Wudhikulprapan W, Chattipakorn SC, Chattipakorn N, Kumfu S. Iron overload and programmed bone marrow cell death: Potential mechanistic insights. Arch Biochem Biophys 2024; 754:109954. [PMID: 38432564 DOI: 10.1016/j.abb.2024.109954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 02/29/2024] [Accepted: 02/29/2024] [Indexed: 03/05/2024]
Abstract
Iron overload has detrimental effects on bone marrow mesenchymal stem cells (BMMSCs), cells crucial for bone marrow homeostasis and hematopoiesis support. Excessive iron accumulation leads to the production of reactive oxygen species (ROS), resulting in cell death, cell cycle arrest, and disruption of vital cellular pathways. Although apoptosis has been extensively studied, other programmed cell death mechanisms including autophagy, necroptosis, and ferroptosis also play significant roles in iron overload-induced bone marrow cell death. Studies have highlighted the involvement of ROS production, DNA damage, MAPK pathways, and mitochondrial dysfunction in apoptosis. In addition, autophagy and ferroptosis are activated, as shown by the degradation of cellular components and lipid peroxidation, respectively. However, several compounds and antioxidants show promise in mitigating iron overload-induced cell death by modulating ROS levels, MAPK pathways, and mitochondrial integrity. Despite early indications, more comprehensive research and clinical studies are needed to better understand the interplay between these programmed cell death mechanisms and enable development of effective therapeutic strategies. This review article emphasizes the importance of studying multiple cell death pathways simultaneously and investigating potential rescuers to combat iron overload-induced bone marrow cell death.
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Affiliation(s)
- Wanat Wudhikulprapan
- Department of Radiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Siriporn C Chattipakorn
- Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand; Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, Thailand; Cardiac Electrophysiology Unit, Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Nipon Chattipakorn
- Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand; Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, Thailand; Cardiac Electrophysiology Unit, Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Sirinart Kumfu
- Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand; Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, Thailand; Cardiac Electrophysiology Unit, Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand.
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Yu S, Li Q, Xiang K, Hua Y, Zhao X. Prevalence and severity of thrombocytopenia in patients with hyperferritinemia. Hematology 2023; 28:2186047. [PMID: 36971518 DOI: 10.1080/16078454.2023.2186047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023] Open
Abstract
BACKGROUND In patients with tumors, inflammation, and blood disorders, hyperferritinemia has been associated with the severity of the underlying disease and is frequently accompanied by a co-occurring low platelet count or thrombocytopenia. Despite this, no established correlation has been identified between hyperferritinemia and platelet count. In this retrospective, double-center study, we sought to describe the prevalence and severity of thrombocytopenia in patients with hyperferritinemia. STUDY AND DESIGN A total of 901 samples were enrolled in this study, all of which had significantly high ferritin levels (>2000 μg/L) between January 2019 and June 2021. We analyzed the general distribution, incidence of thrombocytopenia in patients with hyperferritinemia, and the relationship between ferritin level and platelet count. p-values < 0.05 were considered statistically significant. RESULTS The total incidence of thrombocytopenia in patients with hyperferritinemia was 64.7%. Hematological diseases were the most frequent cause of hyperferritinemia (43.1%), followed by solid tumors (29.5%) and infectious diseases (11.7%). Patients with thrombocytopenia (<150 × 109/L) had significantly higher ferritin levels than those with platelet counts exceeding 150 × 109/L, with median ferritin levels of 4011 and 3221 μg/L, respectively (P < 0.001). Additionally, the results showed that the incidence of thrombocytopenia was higher in hematological patients with chronic transfusion than in those without chronic blood transfusions (93% vs 69%). CONCLUSIONS In conclusion, our results suggest that hematological diseases are the most common cause of hyperferritinemia and that patients with chronic blood transfusions are more susceptible to thrombocytopenia. Elevated ferritin levels may act as a trigger for thrombocytopenia.
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Affiliation(s)
- Shifang Yu
- Department of Transfusion Medicine, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, People's Republic of China
| | - Qiang Li
- Department of Laboratory Medicine, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, People's Republic of China
| | - Kaihua Xiang
- Department of Transfusion Medicine, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, People's Republic of China
| | - Yanjie Hua
- Department of Laboratory Medicine, Zhejiang Chinese Medical University, Hangzhou, People's Republic of China
| | - Xiaoying Zhao
- Department of Hematology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, People's Republic of China
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Zhang Q, Ding H, Yu X, Wang Q, Li X, Zhang R, Feng J. Plasma non-transferrin-bound iron uptake by the small intestine leads to intestinal injury and intestinal flora dysbiosis in an iron overload mouse model and Caco-2 cells. SCIENCE CHINA. LIFE SCIENCES 2023; 66:2041-2055. [PMID: 37452897 DOI: 10.1007/s11427-022-2347-0] [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: 03/06/2023] [Accepted: 03/27/2023] [Indexed: 07/18/2023]
Abstract
Iron overload often occurs during blood transfusion and iron supplementation, resulting in the presence of non-transferrin-bound iron (NTBI) in host plasma and damage to multiple organs, but effects on the intestine have rarely been reported. In this study, an iron overload mouse model with plasma NTBI was established by intraperitoneal injection of iron dextran. We found that plasma NTBI damaged intestinal morphology, caused intestinal oxidative stress injury and reactive oxygen species (ROS) accumulation, and induced intestinal epithelial cell apoptosis. In addition, plasma NTBI increased the relative abundance of Ileibacterium and Desulfovibrio in the cecum, while the relative abundance of Faecalibaculum and Romboutsia was reduced. Ileibacterium may be a potential microbial biomarker of plasma NTBI. Based on the function prediction analysis, plasma NTBI led to the weakening of intestinal microbiota function, significantly reducing the function of the extracellular structure. Further investigation into the mechanism of injury showed that iron absorption in the small intestine significantly increased in the iron group. Caco-2 cell monolayers were used as a model of the intestinal epithelium to study the mechanism of iron transport. By adding ferric ammonium citrate (FAC, plasma NTBI in physiological form) to the basolateral side, the apparent permeability coefficient (Papp) values from the basolateral to the apical side were greater than 3×10-6 cm s-1. Intracellular ferritin level and apical iron concentration significantly increased, and SLC39A8 (ZIP8) and SLC39A14 (ZIP14) were highly expressed in the FAC group. Short hairpin RNA (shRNA) was used to knock down ZIP8 and ZIP14 in Caco-2 cells. Transfection with ZIP14-specific shRNA decreased intracellular ferritin level and inhibited iron uptake. These results revealed that plasma NTBI may cause intestinal injury and intestinal flora dysbiosis due to the uptake of plasma NTBI from the basolateral side into the small intestine, which is probably mediated by ZIP14.
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Affiliation(s)
- Qian Zhang
- Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, College of Animal Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Haoxuan Ding
- Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, College of Animal Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Xiaonan Yu
- Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, College of Animal Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Qiwen Wang
- Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, College of Animal Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Xuejiao Li
- Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, College of Animal Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Ruiqiang Zhang
- Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, College of Animal Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Jie Feng
- Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, College of Animal Sciences, Zhejiang University, Hangzhou, 310058, China.
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Bai Y, Tian D, Ren Z, Yue D, Ren Q, Pei L, Pan J. The dependences of mesenchymal stem cells commitments on the size, concentration, internalization and exposure time of Iron Oxide Nanoparticles through F-actin, Lamin A and ROS. J Biomed Mater Res A 2023. [PMID: 36939155 DOI: 10.1002/jbm.a.37534] [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: 07/16/2022] [Revised: 02/21/2023] [Accepted: 03/07/2023] [Indexed: 03/21/2023]
Abstract
Though magnetic iron oxide nanoparticles (IONPs) are approved for clinical use as contrast agents for MR imaging in United States and Europe, and are widely used to label cells in research, the relationship between IONPs and mesenchymal stem cells (MSCs) is not fully addressed. Here the effects of consistently appeared γ-Fe2 O3 on the lineage commitment of MSCs were studied to optimize applications of IONPs in MSCs upon verification of viability. 30 nm 10 μg/mL induced highest promotions on osteogenesis, while 30 and 50 nm of 100 μg/mL elicited most chondrogensis in 14 days, where the effects on ALP, GAG and SOX9 appeared after 7 days, while on RUNX2 came out after 10 days. γ-Fe2 O3 enhanced intracellular and extracellular Fe3+ and ROS, modulated F-actin and decreased Lamin A of MSCs at different time scale. The disturbances of F-actin, Lamin A or ROS altered the effects of γ-Fe2 O3 on MSC differentiation. Our results demonstrate that different size, concentration and modulation of γ-Fe2 O3 are needed in its MSC applications for bone and cartilage tissues. Furthermore, an undocumented phenomenon that the modulation of F-actin affected the Lamin A expression in MSCs was observed.
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Affiliation(s)
- Yuying Bai
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, College of Bioengineering, Chongqing University, Chongqing, China
| | - Dawei Tian
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, College of Bioengineering, Chongqing University, Chongqing, China
| | - Zhengxin Ren
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, College of Bioengineering, Chongqing University, Chongqing, China
| | - Dangyang Yue
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, College of Bioengineering, Chongqing University, Chongqing, China
| | - Qian Ren
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, College of Bioengineering, Chongqing University, Chongqing, China
| | - Li Pei
- Department of Hematology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Jun Pan
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, College of Bioengineering, Chongqing University, Chongqing, China
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8
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Wang C, Zhao M, Liu Q, Yang Y, Li Y, Nie Y, Gao S, Li W. Impact of iron overload in hematopoietic stem cell transplantation. Transpl Immunol 2023; 78:101820. [PMID: 36921731 DOI: 10.1016/j.trim.2023.101820] [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: 09/23/2022] [Revised: 03/09/2023] [Accepted: 03/11/2023] [Indexed: 03/16/2023]
Abstract
Iron overload (IOL) is a common condition in patients with hematological malignancies(HMs) undergoing hematopoietic stem cell transplantation (HSCT). Pathophysiologically, IOL results in iron-induced toxicity in HSCT by producing reactive oxygen species (ROS), which leads to detrimental effects on hematopoiesis, clonal evolution, and immunosuppression. IOL, therefore, may have a negative impact on the clinical outcomes of HSCT. For patients at a higher risk of developing IOL before HSCT, it is necessary to monitor red blood cell transfusion units, serum ferritin (SF) levels and MRI image of organs, and initiate iron removal therapy as soon as possible. Iron chelating therapy (ICT) might be safe and efficient in the post-HSCT period. We provide an overview of results from experimental and clinical evidence on the current understanding of IOL in patients with HMs undergoing HSCT, involving the underlying pathophysiological and clinical impact of IOL, as well as the significance of iron reduction therapy.
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Affiliation(s)
- Cong Wang
- Department of Hematology, The First Hospital of Jilin University, Changchun, Jilin 130021, China
| | - Munan Zhao
- Stem Cell and Cancer Center, The First Hospital of Jilin University, Changchun, Jilin 130021, China
| | - Qiuju Liu
- Department of Hematology, The First Hospital of Jilin University, Changchun, Jilin 130021, China
| | - Yan Yang
- Department of Hematology, The First Hospital of Jilin University, Changchun, Jilin 130021, China
| | - Yuying Li
- Department of Hematology, The First Hospital of Jilin University, Changchun, Jilin 130021, China
| | - Yuanyuan Nie
- Department of Hematology, The First Hospital of Jilin University, Changchun, Jilin 130021, China
| | - Sujun Gao
- Department of Hematology, The First Hospital of Jilin University, Changchun, Jilin 130021, China.
| | - Wei Li
- Department of Hematology, The First Hospital of Jilin University, Changchun, Jilin 130021, China; Stem Cell and Cancer Center, The First Hospital of Jilin University, Changchun, Jilin 130021, China.
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9
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Wang C, Zhao M, Nie Y, Yang Y, Tan Y, Du Z, Gao S, Li W. Impact of iron overload on poor graft function after allo-HSCT in a patient with transfusion-dependent low-risk MDS: A case report and literature review. Medicine (Baltimore) 2022; 101:e32012. [PMID: 36595778 PMCID: PMC9794277 DOI: 10.1097/md.0000000000032012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
RATIONALE Poor graft function (PGF) occurs in 5% to 27% of allogeneic hematopoietic stem cell transplantation (allo-HSCT) and is associated with high life-threatening complications. The etiology of PGF is complex and multifactorial, and iron overload (IOL) is considered as a predictive factor. PATIENT CONCERN A 45-years-old woman who was diagnosed as low-risk myelodysplastic syndrome in 2012 has been transfusion dependent and developed severe IOL. DIAGNOSES Due to transfusion dependency and also ineffective erythropoiesis, this patient was diagnosed as IOL and developed PGF after allo-HSCT. INTERVENTIONS Deferasirox (20mg/kg/d) was administered regularly after allo-HSCT for 2 years. OUTCOMES Hematopoiesis was gradually recovered during iron chelation therapy treatment after allo-HSCT and PGF was reverted. LESSONS IOL, as a prognostic factor for PGF, is a common problem in Transfusion dependent myelodysplastic syndrome patients undergoing HSCT. IOL issues should be considered at the time of diagnosis and throughout the treatment course for patients who are potential candidates for HSCT.
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Affiliation(s)
- Cong Wang
- Department of Hematology in Caner Center, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Munan Zhao
- Stem Cell and Cancer Center, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Yuanyuan Nie
- Department of Hematology in Caner Center, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Yan Yang
- Department of Hematology in Caner Center, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Yehui Tan
- Department of Hematology in Caner Center, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Zhonghua Du
- Department of Hematology in Caner Center, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Sujun Gao
- Department of Hematology in Caner Center, The First Hospital of Jilin University, Changchun, Jilin, China
- * Correspondence: Sujun Gao, Wei Li, Department of Hematology in Caner Center, The First Hospital of Jilin University, 71 Xinmin street, Changchun, Jilin 130061, P.R. China (e-mails: ; )
| | - Wei Li
- Department of Hematology in Caner Center, The First Hospital of Jilin University, Changchun, Jilin, China
- * Correspondence: Sujun Gao, Wei Li, Department of Hematology in Caner Center, The First Hospital of Jilin University, 71 Xinmin street, Changchun, Jilin 130061, P.R. China (e-mails: ; )
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10
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Bonadonna M, Altamura S, Tybl E, Palais G, Qatato M, Polycarpou-Schwarz M, Schneider M, Kalk C, Rüdiger W, Ertl A, Anstee N, Bogeska R, Helm D, Milsom MD, Galy B. Iron regulatory protein (IRP)-mediated iron homeostasis is critical for neutrophil development and differentiation in the bone marrow. SCIENCE ADVANCES 2022; 8:eabq4469. [PMID: 36197975 PMCID: PMC9534496 DOI: 10.1126/sciadv.abq4469] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 08/18/2022] [Indexed: 06/01/2023]
Abstract
Iron is mostly devoted to the hemoglobinization of erythrocytes for oxygen transport. However, emerging evidence points to a broader role for the metal in hematopoiesis, including the formation of the immune system. Iron availability in mammalian cells is controlled by iron-regulatory protein 1 (IRP1) and IRP2. We report that global disruption of both IRP1 and IRP2 in adult mice impairs neutrophil development and differentiation in the bone marrow, yielding immature neutrophils with abnormally high glycolytic and autophagic activity, resulting in neutropenia. IRPs promote neutrophil differentiation in a cell intrinsic manner by securing cellular iron supply together with transcriptional control of neutropoiesis to facilitate differentiation to fully mature neutrophils. Unlike neutrophils, monocyte count was not affected by IRP and iron deficiency, suggesting a lineage-specific effect of iron on myeloid output. This study unveils the previously unrecognized importance of IRPs and iron metabolism in the formation of a major branch of the innate immune system.
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Affiliation(s)
- Michael Bonadonna
- German Cancer Research Center, “Division of Virus-Associated Carcinogenesis”, Im Neuenheimer Feld 280, 69120 Heidelberg, Germany
- Biosciences Faculty, University of Heidelberg, 69120 Heidelberg, Germany
| | - Sandro Altamura
- University of Heidelberg, Department of Pediatric Hematology, Oncology and Immunology, Im Neuenheimer Feld 350, 69120 Heidelberg, Germany
| | - Elisabeth Tybl
- German Cancer Research Center, “Division of Virus-Associated Carcinogenesis”, Im Neuenheimer Feld 280, 69120 Heidelberg, Germany
- IB-Cancer Research Foundation, Science Park 2, 66123 Saarbrücken, Germany
| | - Gael Palais
- German Cancer Research Center, “Division of Virus-Associated Carcinogenesis”, Im Neuenheimer Feld 280, 69120 Heidelberg, Germany
| | - Maria Qatato
- German Cancer Research Center, “Division of Virus-Associated Carcinogenesis”, Im Neuenheimer Feld 280, 69120 Heidelberg, Germany
| | - Maria Polycarpou-Schwarz
- German Cancer Research Center, “Division of Virus-Associated Carcinogenesis”, Im Neuenheimer Feld 280, 69120 Heidelberg, Germany
| | - Martin Schneider
- German Cancer Research Center, Mass Spectrometry based Protein Analysis Unit, Im Neuenheimer Feld 280, 69120 Heidelberg, Germany
| | - Christina Kalk
- German Cancer Research Center, “Division of Virus-Associated Carcinogenesis”, Im Neuenheimer Feld 280, 69120 Heidelberg, Germany
| | - Wibke Rüdiger
- German Cancer Research Center, “Division of Virus-Associated Carcinogenesis”, Im Neuenheimer Feld 280, 69120 Heidelberg, Germany
| | - Alina Ertl
- German Cancer Research Center, “Division of Virus-Associated Carcinogenesis”, Im Neuenheimer Feld 280, 69120 Heidelberg, Germany
| | - Natasha Anstee
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine, Im Neuenheimer Feld 280, 69120 Heidelberg, Germany
- German Cancer Research Center, “Division of Experimental Hematology”, Im Neuenheimer Feld 280, 69120 Heidelberg, Germany
| | - Ruzhica Bogeska
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine, Im Neuenheimer Feld 280, 69120 Heidelberg, Germany
- German Cancer Research Center, “Division of Experimental Hematology”, Im Neuenheimer Feld 280, 69120 Heidelberg, Germany
| | - Dominic Helm
- German Cancer Research Center, Mass Spectrometry based Protein Analysis Unit, Im Neuenheimer Feld 280, 69120 Heidelberg, Germany
| | - Michael D. Milsom
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine, Im Neuenheimer Feld 280, 69120 Heidelberg, Germany
- German Cancer Research Center, “Division of Experimental Hematology”, Im Neuenheimer Feld 280, 69120 Heidelberg, Germany
| | - Bruno Galy
- German Cancer Research Center, “Division of Virus-Associated Carcinogenesis”, Im Neuenheimer Feld 280, 69120 Heidelberg, Germany
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11
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Guo X, Zhou X. Risk stratification of acute myeloid leukemia: Assessment using a novel prediction model based on ferroptosis-immune related genes. MATHEMATICAL BIOSCIENCES AND ENGINEERING : MBE 2022; 19:11821-11839. [PMID: 36653976 DOI: 10.3934/mbe.2022551] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
In acute myeloid leukemia (AML), the link between ferroptosis and the immune microenvironment has profound clinical significance. The objective of this study was to investigate the role of ferroptosis-immune related genes (FIRGs) in predicting the prognosis and therapeutic sensitivity in patients with AML. Using The Cancer Genome Atlas dataset, single sample gene set enrichment analysis was performed to calculate the ferroptosis score of AML samples. To search for FIRGs, differentially expressed genes between the high- and low-ferroptosis score groups were identified and then cross-screened with immune related genes. Univariate Cox and LASSO regression analyses were performed on the FIRGs to establish a prognostic risk score model with five signature FIRGs (BMP2, CCL3, EBI3, ELANE, and S100A6). The prognostic risk score model was then used to divide the patients into high- and low-risk groups. For external validation, two Gene Expression Omnibus cohorts were employed. Overall survival was poorer in the high-risk group than in the low-risk group. The novel risk score model was an independent prognostic factor for overall survival in patients with AML. Infiltrating immune cells were also linked to high-risk scores. Treatment targeting programmed cell death protein 1 may be more effective in high-risk patients. This FIRG-based prognostic risk model may aid in optimizing prognostic risk stratification and treatment of AML.
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Affiliation(s)
- Xing Guo
- Department of Hematology, The Fourth Affiliated Hospital of Nanjing Medical University, Nanjing 210000, China
| | - Xiaogang Zhou
- Department of Hematology, The Fourth Affiliated Hospital of Nanjing Medical University, Nanjing 210000, China
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12
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How We Manage Myelofibrosis Candidates for Allogeneic Stem Cell Transplantation. Cells 2022; 11:cells11030553. [PMID: 35159362 PMCID: PMC8834299 DOI: 10.3390/cells11030553] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2021] [Revised: 01/31/2022] [Accepted: 02/03/2022] [Indexed: 02/01/2023] Open
Abstract
Moving from indication to transplantation is a critical process in myelofibrosis. Most of guidelines specifically focus on either myelofibrosis disease or transplant procedure, and, currently, no distinct indication for the management of MF candidates to transplant is available. Nevertheless, this period of time is crucial for the transplant outcome because engraftment, non-relapse mortality, and relapse incidence are greatly dependent upon the pre-transplant management. Based on these premises, in this review, we will go through the path of identification of the MF patients suitable for a transplant, by using disease-specific prognostic scores, and the evaluation of eligibility for a transplant, based on performance, comorbidity, and other combined tools. Then, we will focus on the process of donor and conditioning regimens’ choice. The pre-transplant management of splenomegaly and constitutional symptoms, cytopenias, iron overload and transplant timing will be comprehensively discussed. The principal aim of this review is, therefore, to give a practical guidance for managing MF patients who are potential candidates for allo-HCT.
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13
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Almasri HA, Soliman AT, De Sanctis V, Alsaud AE, Alhashimy R, Babikir MM, Ahmad RT, Aldwairi MM, Kloub MN, Ahmed S, Al-Tikrity MA, Eisa MS, Yassin MA. The Prevalence and Significance of Leukopenia Induced by Intravenous Iron Therapy in a Large Cohort of Females with Iron Deficiency Anemia (IDA). ACTA BIO-MEDICA : ATENEI PARMENSIS 2022; 93:e2022183. [PMID: 35546017 PMCID: PMC9171860 DOI: 10.23750/abm.v93i2.11978] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Received: 07/03/2021] [Accepted: 07/07/2021] [Indexed: 11/23/2022]
Abstract
INTRODUCTION Iron deficiency anemia (IDA) is the most common cause of anemia in both developed and developing countries. Leukopenia is an infrequent side effect of iron therapy reported in the literature as sporadic cases. OBJECTIVE To assess the prevalence of leukopenia, neutropenia and/or lymphocytopenia and its possible clinical impact if any, after intravenous iron therapy in adult patients with IDA. PATIENTS AND METHODS This is a retrospective study conducted in Hamad Medical Corporation, Doha (Qatar). The clinical and biochemical data of 1.567 females (mean age: 29.5 years) with IDA who attended the Hematology Clinic and were treated with intravenous (i.v.) iron therapy were collected and analysed. Complete and differential blood counts and iron profile were studied before and after i.v. iron therapy. In addition, cases who developed infections during the time of leukopenia were noted and checked for possible complications. RESULTS 30 cases (1.91%) developed leukopenia,15 cases (0.95%) developed neutropenia and 12 cases (0.76%) developed lymphocytopenia. All had normal white blood cell counts before treatment. Two patients (6.66%) had infection. One had upper respiratory tract infection and the other had urinary tract infection, the latter was treated with antibiotics. There was no reported other infection during or after i.v. iron therapy. CONCLUSIONS Leukopenia in form of neutropenia or lymphocytopenia may occur as a side effect of i.v. iron therapy, however, its clinical significance appears to be limited.
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Affiliation(s)
| | - Ashraf T Soliman
- Department of Pediatrics, Division of Pediatric Endocrinology, Hamad General Hospital, Doha, (Qatar)
| | - Vincenzo De Sanctis
- Coordinator of the International Network of Clinicians for Endocrinopathies in Thalassemia and Adolescence Medicine (ICET-A), Ferrara (Italy)
| | - Arwa E Alsaud
- Department of Medicine, Hamad Medical Corporation, Doha (Qatar)
| | - Ruoa Alhashimy
- Primary Healthcare Care Corporation, Department of Family Medicine, Doha, (Qatar)
| | - Mona M Babikir
- Department of Medicine, Hamad Medical Corporation, Doha (Qatar)
| | - Rita T Ahmad
- Primary Healthcare Care Corporation, Department of Family Medicine, Doha, (Qatar)
| | - Majd M Aldwairi
- Department of Medicine, Hamad Medical Corporation, Doha (Qatar)
| | | | - Shaima Ahmed
- Department of Medicine, Hamad Medical Corporation, Doha (Qatar)
| | | | - Mahmoud S Eisa
- Department of Medicine, Hamad Medical Corporation, Doha (Qatar)
| | - Mohamed A Yassin
- Hematology Oncology Department, National Centre for Cancer Care and Research, Doha (Qatar)
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14
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Impaired bone marrow microenvironment and stem cells in transfusion-dependent beta-thalassemia. Biomed Pharmacother 2021; 146:112548. [PMID: 34923340 DOI: 10.1016/j.biopha.2021.112548] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 12/10/2021] [Accepted: 12/13/2021] [Indexed: 12/13/2022] Open
Abstract
Beta-thalassemia (BT) is a hereditary disease caused by abnormal hemoglobin synthesis with consequent ineffective erythropoiesis. Patients with thalassemia major are dependent on long-term blood transfusions with associated long-term complications such as iron overload (IO). This excess iron can result in tissue damage, impaired organ function, and increased morbidity. Growing evidence has demonstrated that IO contributes to impairment of the bone marrow (BM) microenvironment that largely impacts the function of BM mesenchymal stem cells, hematopoietic stem cells, and endothelial cells. In this article, we review recent progress in the understanding of iron metabolism and the perniciousness induced by IO. We highlight the importance of understanding the cross-talk between BM stem cells and the BM microenvironment, particularly the pathological effect of IO on BM stem cells and BT-associated complications. We also provide an update on recent novel therapies to cure transfusion-dependent beta-thalassemia and iron overload-induced complications for their future clinical application.
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15
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De R, Prakash KU, Edison ES. Complex Interactions in Regulation of Haematopoiesis-An Unexplored Iron Mine. Genes (Basel) 2021; 12:genes12081270. [PMID: 34440444 PMCID: PMC8391430 DOI: 10.3390/genes12081270] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 07/10/2021] [Accepted: 07/13/2021] [Indexed: 12/14/2022] Open
Abstract
Iron is one of the most abundant metals on earth and is vital for the growth and survival of life forms. It is crucial for the functioning of plants and animals as it is an integral component of the photosynthetic apparatus and innumerable proteins and enzymes. It plays a pivotal role in haematopoiesis and affects the development and differentiation of different haematopoietic lineages, apart from its obvious necessity in erythropoiesis. A large amount of iron stores in humans is diverted towards the latter process, as iron is an indispensable component of haemoglobin. This review summarises the important players of iron metabolism and homeostasis that have been discovered in recent years and highlights the overall significance of iron in haematopoiesis. Its role in maintenance of haematopoietic stem cells, influence on differentiation of varied haematopoietic lineages and consequences of iron deficiency/overloading on development and maturation of different groups of haematopoietic cells have been discussed.
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16
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Sinha S, Pereira-Reis J, Guerra A, Rivella S, Duarte D. The Role of Iron in Benign and Malignant Hematopoiesis. Antioxid Redox Signal 2021; 35:415-432. [PMID: 33231101 PMCID: PMC8328043 DOI: 10.1089/ars.2020.8155] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 10/26/2020] [Accepted: 11/20/2020] [Indexed: 12/21/2022]
Abstract
Significance: Iron is an essential element required for sustaining a normal healthy life. However, an excess amount of iron in the bloodstream and tissue generates toxic hydroxyl radicals through Fenton reactions. Henceforth, a balance in iron concentration is extremely important to maintain cellular homeostasis in both normal hematopoiesis and erythropoiesis. Iron deficiency or iron overload can impact hematopoiesis and is associated with many hematological diseases. Recent Advances: The mechanisms of action of key iron regulators such as erythroferrone and the discovery of new drugs, such as ACE-536/luspatercept, are of potential interest to treat hematological disorders, such as β-thalassemia. New therapies targeting inflammation-induced ineffective erythropoiesis are also in progress. Furthermore, emerging evidences support differential interactions between iron and its cellular antioxidant responses of hematopoietic and neighboring stromal cells. Both iron and its systemic regulator, such as hepcidin, play a significant role in regulating erythropoiesis. Critical Issues: Significant pre-clinical studies are on the way and new drugs targeting iron metabolism have been recently approved or are undergoing clinical trials to treat pathological conditions with impaired erythropoiesis such as myelodysplastic syndromes or β-thalassemia. Future Directions: Future studies should explore how iron regulates hematopoiesis in both benign and malignant conditions. Antioxid. Redox Signal. 35, 415-432.
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Affiliation(s)
- Sayantani Sinha
- Division of Hematology, Department of Pediatrics, The Children's Hospital of Philadelphia (CHOP), Philadelphia, Pennsylvania, USA
| | - Joana Pereira-Reis
- Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Porto, Portugal
| | - Amaliris Guerra
- Division of Hematology, Department of Pediatrics, The Children's Hospital of Philadelphia (CHOP), Philadelphia, Pennsylvania, USA
| | - Stefano Rivella
- Division of Hematology, Department of Pediatrics, The Children's Hospital of Philadelphia (CHOP), Philadelphia, Pennsylvania, USA
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
- Cell and Molecular Biology Affinity Group (CAMB), University of Pennsylvania, Philadelphia, Pennsylvania, USA
- Raymond G. Perelman Center for Cellular and Molecular Therapeutics, The Children's Hospital of Philadelphia (CHOP), Philadelphia, Pennsylvania, USA
- Penn Center for Musculoskeletal Disorders, The Children's Hospital of Philadelphia (CHOP), Philadelphia, Pennsylvania, USA
| | - Delfim Duarte
- Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Porto, Portugal
- Department of Onco-Hematology, Instituto Português de Oncologia (IPO), Porto, Portugal
- Unit of Biochemistry, Department of Biomedicine, Faculdade de Medicina da Universidade do Porto (FMUP), Porto, Portugal
- Porto Comprehensive Cancer Center (P.CCC), Porto, Portugal
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17
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Isidori A, Loscocco F, Visani G, Chiarucci M, Musto P, Kubasch AS, Platzbecker U, Vinchi F. Iron Toxicity and Chelation Therapy in Hematopoietic Stem Cell Transplant. Transplant Cell Ther 2021; 27:371-379. [PMID: 33969823 DOI: 10.1016/j.jtct.2020.11.007] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 11/25/2020] [Accepted: 11/25/2020] [Indexed: 01/19/2023]
Abstract
Many patients with hematologic malignancies receive RBC transfusion support, which often causes systemic and tissue iron toxicity. Because of their compromised bone marrow function, hematopoietic stem cell transplant (HSCT) recipients are especially vulnerable to excess iron levels. Iron toxicity may compromise transplant engraftment and eventually promote relapse by mediating oxidative and genotoxic stress in hematopoietic stem cells (HSCs) and further impairing the already dysfunctional bone marrow microenvironment in HSCT recipients. Iron toxicity is thought to be primarily mediated by its ability to induce reactive oxygen species and trigger inflammation. Elevated iron levels in the bone marrow can decrease the number of HSCs and progenitor cells, as well as their clonogenic potential, alter mesenchymal stem cell differentiation, and inhibit the expression of chemokines and adhesion molecules involved in hematopoiesis. In vivo, in vitro, and clinical studies support the concept that iron chelation therapy may limit iron toxicity in the bone marrow and promote hematologic improvement and engraftment in HSCT recipients. This review will provide an overview of the current knowledge of the detrimental impact of iron toxicity in the setting of HSCT in patients with hematologic malignancies and the use of iron restriction approaches to improve transplant outcome.
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Affiliation(s)
- Alessandro Isidori
- Hematology and Stem Cell Transplant Center, AORMN Hospital, Pesaro, Italy.
| | - Federica Loscocco
- Hematology and Stem Cell Transplant Center, AORMN Hospital, Pesaro, Italy
| | - Giuseppe Visani
- Hematology and Stem Cell Transplant Center, AORMN Hospital, Pesaro, Italy
| | - Martina Chiarucci
- Hematology and Stem Cell Transplant Center, AORMN Hospital, Pesaro, Italy
| | - Pellegrino Musto
- Unit of Hematology and Stem Cell Transplantation, Department of Emergency and Organ Transplantation, "Aldo Moro" University School of Medicine, AOU Consorziale Policlinico, Bari, Italy
| | - Anne-Sophie Kubasch
- Department of Hematology, Cellular Therapy and Hemostaseology, Leipzig University Hospital, Leipzig, Germany
| | - Uwe Platzbecker
- Department of Hematology, Cellular Therapy and Hemostaseology, Leipzig University Hospital, Leipzig, Germany
| | - Francesca Vinchi
- Iron Research Program, Lindsley Kimball Research Institute, New York Blood Center, New York, New York; Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, New York.
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18
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Mehta KJ. Role of iron and iron-related proteins in mesenchymal stem cells: Cellular and clinical aspects. J Cell Physiol 2021; 236:7266-7289. [PMID: 33821487 DOI: 10.1002/jcp.30383] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 03/17/2021] [Accepted: 03/19/2021] [Indexed: 12/14/2022]
Abstract
Mesenchymal stem cells (MSCs) are located in various tissues where these cells show niche-dependent multilineage differentiation and secrete immunomodulatory molecules to support numerous physiological processes. Due to their regenerative and reparative properties, MSCs are extremely valuable for cell-based therapy in tackling several pathological conditions including COVID-19. Iron is essential for MSC processes but iron-loading, which is common in several chronic conditions, hinders normal MSC functionality. This not only aggravates disease pathology but can also affect allogeneic and autologous MSC therapy. Thus, understanding MSCs from an iron perspective is of clinical significance. Accordingly, this review highlights the roles of iron and iron-related proteins in MSC physiology. It describes the contribution of iron and endogenous iron-related effectors like hepcidin, ferroportin, transferrin receptor, lactoferrin, lipocalin-2, bone morphogenetic proteins and hypoxia inducible factors in MSC biology. It summarises the excess-iron-induced alterations in MSC components, processes and discusses signalling pathways involving ROS, PI3K/AKT, MAPK, p53, AMPK/MFF/DRP1 and Wnt. Additionally, it evaluates the endogenous and exogenous saviours of MSCs against iron-toxicity. Lastly, it elaborates on the involvement of MSCs in the pathology of clinical conditions of iron-excess, namely, hereditary hemochromatosis, diabetes, β-thalassaemia and myelodysplastic syndromes. This unique review integrates the distinct fields of iron regulation and MSC physiology. Through an iron-perspective, it describes both mechanistic and clinical aspects of MSCs and proposes an iron-linked MSC-contribution to physiology, pathology and therapeutics. It advances the understanding of MSC biology and may aid in identifying signalling pathways, molecular targets and compounds for formulating adjunctive iron-based therapies for excess-iron conditions, and thereby inform regenerative medicine.
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Affiliation(s)
- Kosha J Mehta
- Faculty of Life Sciences and Medicine, Centre for Education, King's College London, London, UK
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19
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Li L, Han YF, Zheng ZB, Wang CA, Nie K, Li JK, Zhang RF, Ru J, Ma CL. A luminescent Zn-MOF constructed from l-aspartic acid and 4,4-bipyridine: Selectively and sensitively detect Fe3+ and 2,4,6-trinitrophenol (TNP) in aqueous solution. J SOLID STATE CHEM 2021. [DOI: 10.1016/j.jssc.2020.121887] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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20
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Weber S, Parmon A, Kurrle N, Schnütgen F, Serve H. The Clinical Significance of Iron Overload and Iron Metabolism in Myelodysplastic Syndrome and Acute Myeloid Leukemia. Front Immunol 2021; 11:627662. [PMID: 33679722 PMCID: PMC7933218 DOI: 10.3389/fimmu.2020.627662] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Accepted: 12/31/2020] [Indexed: 12/11/2022] Open
Abstract
Myelodysplasticsyndrome (MDS) and acute myeloid leukemia (AML) are clonal hematopoietic stem cell diseases leading to an insufficient formation of functional blood cells. Disease-immanent factors as insufficient erythropoiesis and treatment-related factors as recurrent treatment with red blood cell transfusions frequently lead to systemic iron overload in MDS and AML patients. In addition, alterations of function and expression of proteins associated with iron metabolism are increasingly recognized to be pathogenetic factors and potential vulnerabilities of these diseases. Iron is known to be involved in multiple intracellular and extracellular processes. It is essential for cell metabolism as well as for cell proliferation and closely linked to the formation of reactive oxygen species. Therefore, iron can influence the course of clonal myeloid disorders, the leukemic environment and the occurrence as well as the defense of infections. Imbalances of iron homeostasis may induce cell death of normal but also of malignant cells. New potential treatment strategies utilizing the importance of the iron homeostasis include iron chelation, modulation of proteins involved in iron metabolism, induction of leukemic cell death via ferroptosis and exploitation of iron proteins for the delivery of antileukemic drugs. Here, we provide an overview of some of the latest findings about the function, the prognostic impact and potential treatment strategies of iron in patients with MDS and AML.
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Affiliation(s)
- Sarah Weber
- Department of Medicine, Hematology/Oncology, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany.,German Cancer Consortium (DKTK), Partner Site Frankfurt/Mainz and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Anastasia Parmon
- Department of Medicine, Hematology/Oncology, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
| | - Nina Kurrle
- Department of Medicine, Hematology/Oncology, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany.,German Cancer Consortium (DKTK), Partner Site Frankfurt/Mainz and German Cancer Research Center (DKFZ), Heidelberg, Germany.,Frankfurt Cancer Institute, Goethe University, Frankfurt am Main, Germany
| | - Frank Schnütgen
- Department of Medicine, Hematology/Oncology, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany.,German Cancer Consortium (DKTK), Partner Site Frankfurt/Mainz and German Cancer Research Center (DKFZ), Heidelberg, Germany.,Frankfurt Cancer Institute, Goethe University, Frankfurt am Main, Germany
| | - Hubert Serve
- Department of Medicine, Hematology/Oncology, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany.,German Cancer Consortium (DKTK), Partner Site Frankfurt/Mainz and German Cancer Research Center (DKFZ), Heidelberg, Germany.,Frankfurt Cancer Institute, Goethe University, Frankfurt am Main, Germany
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21
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Kuhn J, Sultan DL, Waqas B, Ellison T, Kwong J, Kim C, Hassan A, Rabbani PS, Ceradini DJ. Nrf2-activating Therapy Accelerates Wound Healing in a Model of Cutaneous Chronic Venous Insufficiency. PLASTIC AND RECONSTRUCTIVE SURGERY-GLOBAL OPEN 2020; 8:e3006. [PMID: 33299679 PMCID: PMC7722614 DOI: 10.1097/gox.0000000000003006] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Accepted: 06/03/2020] [Indexed: 12/18/2022]
Abstract
Supplemental Digital Content is available in the text. Background Chronic venous insufficiency (CVI) stems from venous hypertension, extravasation of blood, and iron-rich skin deposits. The latter is central to ulcer development through generating reactive oxygen species (ROS) that drive persistent local inflammation and the development of lipodermatosclerosis. The ability to study CVI cutaneous inflammation is fundamental to advancing therapies. To address this end, a novel protocol was adapted to investigate cutaneous wound healing in iron-induced inflammation. Methods: Mice were injected subcutaneously or intraperitoneally with iron-dextran, and excisional wounding was performed. Histologic and biomolecular analysis was performed. Results: Iron loading was associated with dense iron deposits similar to those in chronic venous stasis. Subcutaneous but not intraperitoneal loading resulted in dermal collagen expansion. Iron overload was associated with atypical antioxidant expression as compared to vehicle controls (p < 0.0001) as well as delayed wound healing by 3-4 days. A potent activator of Nuclear factor erythroid 2-related factor 2 (Nrf2), a major transcriptional regulator of redox status, was applied to establish therapeutic efficacy. Nrf2 activation in the wound resulted in significant reduction of closure times across all experimental arms. Antioxidant expression following topical treatment was significantly increased for intraperitoneally iron-loaded mice (p < 0.0001) but did not achieve significance for the subcutaneously-loaded animals. Conclusions: We have characterized a novel model of cutaneous iron-overload designed to advance our understanding of dysfunctional wound healing in CVI. Cutaneous changes of iron overload coincide with redox imbalance and delayed wound healing. By activating Nrf2, we demonstrate the regenerative potential of pro-antioxidant mediators in treating CVI related wound complications.
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Affiliation(s)
- Joseph Kuhn
- Hansjörg Wyss Department of Plastic Surgery, NYU Langone Health, New York, N.Y
| | - Darren L Sultan
- Hansjörg Wyss Department of Plastic Surgery, NYU Langone Health, New York, N.Y
| | - Bukhtawar Waqas
- Hansjörg Wyss Department of Plastic Surgery, NYU Langone Health, New York, N.Y
| | - Trevor Ellison
- Hansjörg Wyss Department of Plastic Surgery, NYU Langone Health, New York, N.Y
| | - Jennifer Kwong
- Hansjörg Wyss Department of Plastic Surgery, NYU Langone Health, New York, N.Y
| | - Camille Kim
- Hansjörg Wyss Department of Plastic Surgery, NYU Langone Health, New York, N.Y
| | - Absara Hassan
- Hansjörg Wyss Department of Plastic Surgery, NYU Langone Health, New York, N.Y
| | - Piul S Rabbani
- Hansjörg Wyss Department of Plastic Surgery, NYU Langone Health, New York, N.Y
| | - Daniel J Ceradini
- Hansjörg Wyss Department of Plastic Surgery, NYU Langone Health, New York, N.Y
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22
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Oxymatrine Ameliorates Memory Impairment in Diabetic Rats by Regulating Oxidative Stress and Apoptosis: Involvement of NOX2/NOX4. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:3912173. [PMID: 33273999 PMCID: PMC7683156 DOI: 10.1155/2020/3912173] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/22/2020] [Revised: 08/11/2020] [Accepted: 10/28/2020] [Indexed: 01/09/2023]
Abstract
Oxymatrine (OMT) is the major quinolizidine alkaloid extracted from the root of Sophora flavescens Ait and has been shown to exhibit a diverse range of pharmacological properties. The aim of the present study was to investigate the role of OMT in diabetic brain injury in vivo and in vitro. Diabetic rats were induced by intraperitoneal injection of a single dose of 65 mg/kg streptozotocin (STZ) and fed a high-fat and high-cholesterol diet. Memory function was assessed using a Morris water maze test. A SH-SY5Y cell injury model was induced by incubation with glucose (30 mM/l) to simulate damage in vitro. The serum fasting blood glucose, insulin, serum S100B, malondialdehyde (MDA), and superoxide dismutase (SOD) levels were analyzed using commercial kits. Morphological changes were observed using Nissl staining and electron microscopy. Cell apoptosis was assessed using Hoechst staining and TUNEL staining. NADPH oxidase (NOX) and caspase-3 activities were determined. The effects of NOX2 and NOX4 knockdown were assessed using small interfering RNA. The expression levels of NOX1, NOX2, and NOX4 were detected using reverse transcription-quantitative PCR and western blotting, and the levels of caspase-3 were detected using western blotting. The diabetic rats exhibited significantly increased plasma glucose, insulin, reactive oxygen species (ROS), S-100B, and MDA levels and decreased SOD levels. Memory function was determined by assessing the percentage of time spent in the target quadrant, the number of times the platform was crossed, escape latency, and mean path length and was found to be significantly reduced in the diabetic rats. Hyperglycemia resulted in notable brain injury, including histological changes and apoptosis in the cortex and hippocampus. The expression levels of NOX2 and NOX4 were significantly upregulated at the protein and mRNA levels, and NOX1 expression was not altered in the diabetic rats. NOX and caspase-3 activities were increased, and caspase-3 expression was upregulated in the brain tissue of diabetic rats. OMT treatment dose-dependently reversed behavioral, biochemical, and molecular changes in the diabetic rats. In vitro, high glucose resulted in increases in reactive oxygen species (ROS), MDA levels, apoptosis, and the expressions of NOX2, NOX4, and caspase-3. siRNA-mediated knockdown of NOX2 and NOX4 decreased NOX2 and NOX4 expression levels, respectively, and reduced ROS levels and apoptosis. The results of the present study suggest that OMT alleviates diabetes-associated cognitive decline, oxidative stress, and apoptosis via NOX2 and NOX4 inhibition.
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Babikir M, Ahmad R, Soliman A, Al-Tikrity M, Yassin MA. Iron-Induced Thrombocytopenia: A Mini-Review of the Literature and Suggested Mechanisms. Cureus 2020; 12:e10201. [PMID: 33042656 PMCID: PMC7534506 DOI: 10.7759/cureus.10201] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Anemia constitutes a major global health burden, and iron deficiency is the most common cause of it. Iron deficiency and replacement affect not only hemoglobin (Hb) levels but also other hematological parameters such as platelet count. In this mini-review, we explore thrombocytopenia as a side effect of iron replacement therapy. We searched for relevant articles published in English, and all case reports/series of iron-induced thrombocytopenia were collected and analyzed. A total of 11 case reports and one case series were found relating to very low Hb at a baseline level of 5.25 +/- 2.2 g/dl and variable platelet count at baseline that dropped in 9 +/-3 days to an average of 121 +/- 112 x 109/L, which in most of the cases was self-corrected. The parenteral route was more commonly reported to be associated with thrombocytopenia, and discontinuation of therapy was needed in two patients. The mechanisms, prevalence, and clinical significance of thrombocytopenia associated with iron replacement are unknown; several effects of iron on the primary hematopoietic cells and stromal cell lines have been proposed, such as influence on common progenitors, effects on cytokines, and thrombopoietic effect of erythropoietin, which is directly affected by iron levels. Iron replacement can lead to significant thrombocytopenia. Further research is needed to describe the exact incidence, mechanism, and clinical significance of thrombocytopenia associated with iron supplementation.
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Affiliation(s)
- Mona Babikir
- Internal Medicine, Hamad Medical Corporation, Doha, QAT
| | - Rita Ahmad
- Family Medicine, Hamad Medical Corporation, Doha, QAT
| | - Ashraf Soliman
- Pediatric Endocrinology, Hamad Medical Corporation, Doha, QAT
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24
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Han Z, Xu Z, Chen L, Ye D, Yu Y, Zhang Y, Cao Y, Djibril B, Guo X, Gao X, Zhang W, Yu M, Liu S, Yan G, Jin M, Huang Q, Wang X, Hua B, Feng C, Yang F, Ma W, Liu Y. Iron overload inhibits self-renewal of human pluripotent stem cells via DNA damage and generation of reactive oxygen species. FEBS Open Bio 2020; 10:726-733. [PMID: 32053740 PMCID: PMC7193162 DOI: 10.1002/2211-5463.12811] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 01/19/2020] [Accepted: 02/12/2020] [Indexed: 12/17/2022] Open
Abstract
Iron overload affects the cell cycle of various cell types, but the effect of iron overload on human pluripotent stem cells has not yet been reported. Here, we show that the proliferation capacities of human embryonic stem cells (hESCs) and human induced pluripotent stem cells (hiPSCs) were significantly inhibited by ferric ammonium citrate (FAC) in a concentration‐dependent manner. In addition, deferoxamine protected hESCs/hiPSCs against FAC‐induced cell‐cycle arrest. However, iron overload did not affect pluripotency in hESCs/hiPSCs. Further, treatment of hiPSCs with FAC resulted in excess reactive oxygen species production and DNA damage. Collectively, our findings provide new insights into the role of iron homeostasis in the maintenance of self‐renewal in human pluripotent stem cells.
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Affiliation(s)
- Zhenbo Han
- Department of Pharmacy, The Affiliated Second Hospital, Harbin Medical University, Harbin, China.,Department of Pharmacology (The Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China
| | - Zihang Xu
- Department of Pharmacy, The Affiliated Second Hospital, Harbin Medical University, Harbin, China.,Department of Pharmacology (The Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China
| | - Lei Chen
- Beijing Ruihua Heart Rehabilitation Research Center, China
| | - Danyu Ye
- Department of Pharmacy, The Affiliated Second Hospital, Harbin Medical University, Harbin, China.,Department of Pharmacology (The Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China
| | - Yang Yu
- Department of Pharmacy, The Affiliated Second Hospital, Harbin Medical University, Harbin, China.,Department of Pharmacology (The Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China
| | - Ying Zhang
- Department of Pharmacy, The Affiliated Second Hospital, Harbin Medical University, Harbin, China.,Department of Pharmacology (The Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China
| | - Yang Cao
- Department of Pharmacy, The Affiliated Second Hospital, Harbin Medical University, Harbin, China.,Department of Pharmacology (The Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China
| | - Bamba Djibril
- Department of Pharmacy, The Affiliated Second Hospital, Harbin Medical University, Harbin, China.,Department of Pharmacology (The Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China
| | - Xiaofei Guo
- Department of Pharmacy, The Affiliated Second Hospital, Harbin Medical University, Harbin, China.,Department of Pharmacology (The Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China
| | - Xinlu Gao
- Department of Pharmacy, The Affiliated Second Hospital, Harbin Medical University, Harbin, China.,Department of Pharmacology (The Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China
| | - Wenwen Zhang
- Department of Pharmacy, The Affiliated Second Hospital, Harbin Medical University, Harbin, China.,Department of Pharmacology (The Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China
| | - Meixi Yu
- Department of Pharmacy, The Affiliated Second Hospital, Harbin Medical University, Harbin, China.,Department of Pharmacology (The Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China
| | - Shenzhen Liu
- Department of Pharmacy, The Affiliated Second Hospital, Harbin Medical University, Harbin, China.,Department of Pharmacology (The Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China
| | - Gege Yan
- Department of Pharmacy, The Affiliated Second Hospital, Harbin Medical University, Harbin, China.,Department of Pharmacology (The Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China
| | - Mengyu Jin
- Department of Pharmacy, The Affiliated Second Hospital, Harbin Medical University, Harbin, China.,Department of Pharmacology (The Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China
| | - Qi Huang
- Department of Pharmacy, The Affiliated Second Hospital, Harbin Medical University, Harbin, China.,Department of Pharmacology (The Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China
| | - Xiuxiu Wang
- Department of Pharmacy, The Affiliated Second Hospital, Harbin Medical University, Harbin, China.,Department of Pharmacology (The Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China
| | - Bingjie Hua
- Department of Pharmacy, The Affiliated Second Hospital, Harbin Medical University, Harbin, China.,Department of Pharmacology (The Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China
| | - Chao Feng
- Department of Pharmacy, The Affiliated Second Hospital, Harbin Medical University, Harbin, China.,Department of Pharmacology (The Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China
| | - Fan Yang
- Department of Pharmacy, The Affiliated Second Hospital, Harbin Medical University, Harbin, China.,Department of Pharmacology (The Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China
| | - Wenya Ma
- Department of Pharmacy, The Affiliated Second Hospital, Harbin Medical University, Harbin, China.,Department of Pharmacology (The Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, China
| | - Yu Liu
- Department of Clinical Laboratory, Fourth Affiliated Hospital of Harbin Medical University, China
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25
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Shvartsman M, Bilican S, Lancrin C. Iron deficiency disrupts embryonic haematopoiesis but not the endothelial to haematopoietic transition. Sci Rep 2019; 9:6414. [PMID: 31015568 PMCID: PMC6478831 DOI: 10.1038/s41598-019-42765-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Accepted: 04/05/2019] [Indexed: 02/06/2023] Open
Abstract
In this study, we aimed to explore how cellular iron status affects embryonic haematopoiesis. For this purpose, we used a model of mouse embryonic stem cell differentiation into embryonic haematopoietic progenitors. We modulated the iron status by adding either the iron chelator Deferoxamine (DFO) for iron deficiency, or ferric ammonium citrate for iron excess, and followed the emergence of developing haematopoietic progenitors. Interestingly, we found that iron deficiency did not block the endothelial to haematopoietic transition, the first step of haematopoiesis. However, it did reduce the proliferation, survival and clonogenic capacity of haematopoietic progenitors. Surprisingly, iron deficiency affected erythro-myeloid progenitors significantly more than the primitive erythroid ones. Erythro-myeloid progenitors expressed less transferrin-receptor on the cell surface and had less labile iron compared to primitive erythroid progenitors, which could reduce their capacity to compete for scarce iron and survive iron deficiency. In conclusion, we show that iron deficiency could disturb haematopoiesis at an early embryonic stage by compromising more severely the survival, proliferation and differentiation of definitive haematopoietic progenitors compared to restricted erythroid progenitors.
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Affiliation(s)
- Maya Shvartsman
- European Molecular Biology Laboratory, EMBL Rome, Epigenetics and Neurobiology Unit, Via Ramarini 32, 00015, Monterotondo, Italy.
| | - Saygın Bilican
- European Molecular Biology Laboratory, EMBL Rome, Epigenetics and Neurobiology Unit, Via Ramarini 32, 00015, Monterotondo, Italy
| | - Christophe Lancrin
- European Molecular Biology Laboratory, EMBL Rome, Epigenetics and Neurobiology Unit, Via Ramarini 32, 00015, Monterotondo, Italy.
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