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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. Sci Adv 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] [What about the content of this article? (0)] [Affiliation(s)] [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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Frost JN, Wideman SK, Preston AE, Teh MR, Ai Z, Wang L, Cross A, White N, Yazicioglu Y, Bonadonna M, Clarke AJ, Armitage AE, Galy B, Udalova IA, Drakesmith H. Plasma iron controls neutrophil production and function. Sci Adv 2022; 8:eabq5384. [PMID: 36197985 PMCID: PMC9534512 DOI: 10.1126/sciadv.abq5384] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 08/18/2022] [Indexed: 05/31/2023]
Abstract
Low plasma iron (hypoferremia) induced by hepcidin is a conserved inflammatory response that protects against infections but inhibits erythropoiesis. How hypoferremia influences leukocytogenesis is unclear. Using proteomic data, we predicted that neutrophil production would be profoundly more iron-demanding than generation of other white blood cell types. Accordingly in mice, hepcidin-mediated hypoferremia substantially reduced numbers of granulocytes but not monocytes, lymphocytes, or dendritic cells. Neutrophil rebound after anti-Gr-1-induced neutropenia was blunted during hypoferremia but was rescued by supplemental iron. Similarly, hypoferremia markedly inhibited pharmacologically stimulated granulopoiesis mediated by granulocyte colony-stimulating factor and inflammation-induced accumulation of neutrophils in the spleen and peritoneal cavity. Furthermore, hypoferremia specifically altered neutrophil effector functions, suppressing antibacterial mechanisms but enhancing mitochondrial reactive oxygen species-dependent NETosis associated with chronic inflammation. Notably, antagonizing endogenous hepcidin during acute inflammation enhanced production of neutrophils. We propose plasma iron modulates the profile of innate immunity by controlling monocyte-to-neutrophil ratio and neutrophil activity in a therapeutically targetable system.
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Affiliation(s)
- Joe N. Frost
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford OX3 9DS, UK
| | - Sarah K. Wideman
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford OX3 9DS, UK
| | - Alexandra E. Preston
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford OX3 9DS, UK
| | - Megan R. Teh
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford OX3 9DS, UK
| | - Zhichao Ai
- Kennedy Institute of Rheumatology, University of Oxford, Roosevelt Drive, Oxford OX3 7FY, UK
| | - Lihui Wang
- Kennedy Institute of Rheumatology, University of Oxford, Roosevelt Drive, Oxford OX3 7FY, UK
| | - Amy Cross
- Translational Research Immunology Group, Nuffield Department of Surgical Sciences, University of Oxford, Oxford OX3 9DS, UK
| | - Natasha White
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford OX3 9DS, UK
| | - Yavuz Yazicioglu
- Kennedy Institute of Rheumatology, University of Oxford, Roosevelt Drive, Oxford OX3 7FY, UK
| | - Michael Bonadonna
- German Cancer Research Center, “Division of Virus-Associated Carcinogenesis”, Im Neuenheimer Feld 280, 69120, 69120 Heidelberg, Germany
- Biosciences Faculty, University of Heidelberg, 69120 Heidelberg, Germany
| | - Alexander J. Clarke
- Kennedy Institute of Rheumatology, University of Oxford, Roosevelt Drive, Oxford OX3 7FY, UK
| | - Andrew E. Armitage
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford OX3 9DS, UK
| | - Bruno Galy
- German Cancer Research Center, “Division of Virus-Associated Carcinogenesis”, Im Neuenheimer Feld 280, 69120, 69120 Heidelberg, Germany
| | - Irina A. Udalova
- Kennedy Institute of Rheumatology, University of Oxford, Roosevelt Drive, Oxford OX3 7FY, UK
| | - Hal Drakesmith
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford OX3 9DS, UK
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Frost JN, Tan TK, Abbas M, Wideman SK, Bonadonna M, Stoffel NU, Wray K, Kronsteiner B, Smits G, Campagna DR, Duarte TL, Lopes JM, Shah A, Armitage AE, Arezes J, Lim PJ, Preston AE, Ahern D, Teh M, Naylor C, Salio M, Gileadi U, Andrews SC, Dunachie SJ, Zimmermann MB, van der Klis FR, Cerundolo V, Bannard O, Draper SJ, Townsend AR, Galy B, Fleming MD, Lewis MC, Drakesmith H. Hepcidin-Mediated Hypoferremia Disrupts Immune Responses to Vaccination and Infection. Med 2021; 2:164-179.e12. [PMID: 33665641 PMCID: PMC7895906 DOI: 10.1016/j.medj.2020.10.004] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 09/26/2020] [Accepted: 10/16/2020] [Indexed: 01/09/2023]
Abstract
BACKGROUND How specific nutrients influence adaptive immunity is of broad interest. Iron deficiency is the most common micronutrient deficiency worldwide and imparts a significant burden of global disease; however, its effects on immunity remain unclear. METHODS We used a hepcidin mimetic and several genetic models to examine the effect of low iron availability on T cells in vitro and on immune responses to vaccines and viral infection in mice. We examined humoral immunity in human patients with raised hepcidin and low serum iron caused by mutant TMPRSS6. We tested the effect of iron supplementation on vaccination-induced humoral immunity in piglets, a natural model of iron deficiency. FINDINGS We show that low serum iron (hypoferremia), caused by increased hepcidin, severely impairs effector and memory responses to immunizations. The intensified metabolism of activated lymphocytes requires the support of enhanced iron acquisition, which is facilitated by IRP1/2 and TFRC. Accordingly, providing extra iron improved the response to vaccination in hypoferremic mice and piglets, while conversely, hypoferremic humans with chronically increased hepcidin have reduced concentrations of antibodies specific for certain pathogens. Imposing hypoferremia blunted the T cell, B cell, and neutralizing antibody responses to influenza virus infection in mice, allowing the virus to persist and exacerbating lung inflammation and morbidity. CONCLUSIONS Hypoferremia, a well-conserved physiological innate response to infection, can counteract the development of adaptive immunity. This nutrient trade-off is relevant for understanding and improving immune responses to infections and vaccines in the globally common contexts of iron deficiency and inflammatory disorders. FUNDING Medical Research Council, UK.
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Affiliation(s)
- Joe N. Frost
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, UK
| | - Tiong Kit Tan
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, UK
| | - Munawar Abbas
- Food and Nutritional Sciences, School of Chemistry, Food, and Pharmacy, University of Reading, Reading, UK
| | - Sarah K. Wideman
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, UK
| | - Michael Bonadonna
- Division of Virus-Associated Carcinogenesis (F170), German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, 69120 Heidelberg, Germany
| | - Nicole U. Stoffel
- ETH Zurich, Human Nutrition Laboratory, Institute of Food, Nutrition, and Health, Zurich, Switzerland
| | - Katherine Wray
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, UK
| | - Barbara Kronsteiner
- Centre for Tropical Medicine and Global Health, and Peter Medawar Building for Pathogen Research, University of Oxford, Oxford, UK
| | - Gaby Smits
- Centre for Infectious Disease Control, National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands
| | - Dean R. Campagna
- Department of Pathology, Boston Children’s Hospital and Harvard Medical School, Boston, MA, USA
| | - Tiago L. Duarte
- Instituto de Biologia Molecular e Celular & Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, Porto, Portugal
| | - José M. Lopes
- Faculty of Medicine (FMUP) and Institute of Molecular Pathology and Immunology (IPATIMUP), University of Porto, Porto, Portugal
| | - Akshay Shah
- Radcliffe Department of Medicine, University of Oxford and John Radcliffe Hospital, Oxford, UK
| | - Andrew E. Armitage
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, UK
| | - João Arezes
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, UK
| | - Pei Jin Lim
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, UK
| | - Alexandra E. Preston
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, UK
| | - David Ahern
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, UK
| | - Megan Teh
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, UK
| | - Caitlin Naylor
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, UK
| | - Mariolina Salio
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, UK
| | - Uzi Gileadi
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, UK
| | - Simon C. Andrews
- School of Biological Sciences, University of Reading, Reading, UK
| | - Susanna J. Dunachie
- Centre for Tropical Medicine and Global Health, and Peter Medawar Building for Pathogen Research, University of Oxford, Oxford, UK
| | - Michael B. Zimmermann
- ETH Zurich, Human Nutrition Laboratory, Institute of Food, Nutrition, and Health, Zurich, Switzerland
| | - Fiona R.M. van der Klis
- Centre for Infectious Disease Control, National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands
| | - Vincenzo Cerundolo
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, UK
| | - Oliver Bannard
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, UK
| | | | - Alain R.M. Townsend
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, UK
| | - Bruno Galy
- Division of Virus-Associated Carcinogenesis (F170), German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, 69120 Heidelberg, Germany
| | - Mark D. Fleming
- Department of Pathology, Boston Children’s Hospital and Harvard Medical School, Boston, MA, USA
| | - Marie C. Lewis
- Food and Nutritional Sciences, School of Chemistry, Food, and Pharmacy, University of Reading, Reading, UK
| | - Hal Drakesmith
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, UK
- Haematology Theme, Oxford Biomedical Research Centre, Oxford, UK
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