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Kirkham JK, Estepp JH, Weiss MJ, Rashkin SR. Genetic Variation and Sickle Cell Disease Severity: A Systematic Review and Meta-Analysis. JAMA Netw Open 2023; 6:e2337484. [PMID: 37851445 PMCID: PMC10585422 DOI: 10.1001/jamanetworkopen.2023.37484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 08/30/2023] [Indexed: 10/19/2023] Open
Abstract
Importance Sickle cell disease (SCD) is a monogenic disorder, yet clinical outcomes are influenced by additional genetic factors. Despite decades of research, the genetics of SCD remain poorly understood. Objective To assess all reported genetic modifiers of SCD, evaluate the design of associated studies, and provide guidelines for future analyses according to modern genetic study recommendations. Data Sources PubMed, Web of Science, and Scopus were searched through May 16, 2023, identifying 5290 publications. Study Selection At least 2 reviewers identified 571 original, peer-reviewed English-language publications reporting genetic modifiers of human SCD phenotypes, wherein the outcome was not treatment response, and the comparison was not between SCD subtypes or including healthy controls. Data Extraction and Synthesis Data relevant to all genetic modifiers of SCD were extracted, evaluated, and presented following STREGA and PRISMA guidelines. Weighted z score meta-analyses and pathway analyses were conducted. Main Outcomes and Measures Outcomes were aggregated into 25 categories, grouped as acute complications, chronic conditions, hematologic parameters or biomarkers, and general or mixed measures of SCD severity. Results The 571 included studies reported on 29 670 unique individuals (50% ≤ 18 years of age) from 43 countries. Of the 17 757 extracted results (4890 significant) in 1552 genes, 3675 results met the study criteria for meta-analysis: reported phenotype and genotype, association size and direction, variability measure, sample size, and statistical test. Only 173 results for 62 associations could be cross-study combined. The remaining associations could not be aggregated because they were only reported once or methods (eg, study design, reporting practice) and genotype or phenotype definitions were insufficiently harmonized. Gene variants regulating fetal hemoglobin and α-thalassemia (important markers for SCD severity) were frequently identified: 19 single-nucleotide variants in BCL11A, HBS1L-MYB, and HBG2 were significantly associated with fetal hemoglobin (absolute value of Z = 4.00 to 20.66; P = 8.63 × 10-95 to 6.19 × 10-5), and α-thalassemia deletions were significantly associated with increased hemoglobin level and reduced risk of albuminuria, abnormal transcranial Doppler velocity, and stroke (absolute value of Z = 3.43 to 5.16; P = 2.42 × 10-7 to 6.00 × 10-4). However, other associations remain unconfirmed. Pathway analyses of significant genes highlighted the importance of cellular adhesion, inflammation, oxidative and toxic stress, and blood vessel regulation in SCD (23 of the top 25 Gene Ontology pathways involve these processes) and suggested future research areas. Conclusions and Relevance The findings of this comprehensive systematic review and meta-analysis of all published genetic modifiers of SCD indicated that implementation of standardized phenotypes, statistical methods, and reporting practices should accelerate discovery and validation of genetic modifiers and development of clinically actionable genetic profiles.
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Affiliation(s)
- Justin K. Kirkham
- Department of Oncology, St Jude Children’s Research Hospital, Memphis, Tennessee
| | - Jeremie H. Estepp
- Department of Hematology, St Jude Children’s Research Hospital, Memphis, Tennessee
- Department of Global Pediatric Medicine, St Jude Children’s Research Hospital, Memphis, Tennessee
- Now with Agios Pharmaceuticals, Cambridge, Massachusetts
| | - Mitch J. Weiss
- Department of Hematology, St Jude Children’s Research Hospital, Memphis, Tennessee
| | - Sara R. Rashkin
- Department of Hematology, St Jude Children’s Research Hospital, Memphis, Tennessee
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Antonelou MH. Tools and metrics for the assessment of post-storage performance of red blood cells: no one is left over. Transfusion 2023; 63:1-6. [PMID: 36537147 DOI: 10.1111/trf.17228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 12/07/2022] [Indexed: 12/24/2022]
Affiliation(s)
- Marianna H Antonelou
- Department of Biology, School of Science, National and Kapodistrian University of Athens (NKUA), Panepistimiopolis, Athens, Greece
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Nardo‐Marino A, Glenthøj A, Brewin JN, Petersen J, Braunstein TH, Kurtzhals JAL, Williams TN, Rees DC. The significance of spleen size in children with sickle cell anemia. Am J Hematol 2022; 97:1520-1528. [PMID: 36054667 PMCID: PMC9827862 DOI: 10.1002/ajh.26703] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 08/21/2022] [Accepted: 08/23/2022] [Indexed: 01/31/2023]
Abstract
It is well established that splenic dysfunction occurs in early childhood in sickle cell anemia (SCA), although the determinants and consequences of splenic injury are not fully understood. In this study, we examined spleen size and splenic function in 100 children with SCA aged 0-16 years at King's College Hospital in London. Spleen size was assessed by abdominal ultrasound (US) and splenic function by pitted red blood cells (PIT counts). In our cohort, 5.6% of children aged 6-10 years and 19.4% of children aged 11-16 years had no visible spleen on US (autosplenectomy). Splenomegaly was common in all age groups, with 28% of children overall having larger spleens than the average for their age. Only one child had a PIT count suggesting preserved splenic function. We found no correlation between hemoglobin F levels and spleen size, nor was there any difference in spleen size between children treated with or without hydroxyurea. Although there was a trend toward increased spleen length in children with co-inherited α-thalassemia, this did not reach statistical significance. Finally, we found a strong association between erythrocyte deformability measured with oxygen gradient ektacytometry, spleen size, and PIT counts. In conclusion, our results do not agree with the general perception that most children with SCA undergo autosplenectomy within the first decade of life and indicate that loss of erythrocyte deformability contributes to loss of splenic filtration capacity in SCA, as well as phenotypical variations in spleen size.
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Affiliation(s)
- Amina Nardo‐Marino
- Danish Centre for Haemoglobinopathies, Department of HaematologyCopenhagen University Hospital, RigshospitaletCopenhagenDenmark,Department of Immunology and Microbiology, Centre for Medical ParasitologyUniversity of CopenhagenCopenhagenDenmark,Department of Haematological MedicineKing's College HospitalLondonUnited Kingdom,Comprehensive Cancer Centre, School of Cancer and Pharmaceutical SciencesKing's College LondonLondonUnited Kingdom
| | - Andreas Glenthøj
- Danish Centre for Haemoglobinopathies, Department of HaematologyCopenhagen University Hospital, RigshospitaletCopenhagenDenmark
| | - John N. Brewin
- Department of Haematological MedicineKing's College HospitalLondonUnited Kingdom,Comprehensive Cancer Centre, School of Cancer and Pharmaceutical SciencesKing's College LondonLondonUnited Kingdom
| | - Jesper Petersen
- Danish Centre for Haemoglobinopathies, Department of HaematologyCopenhagen University Hospital, RigshospitaletCopenhagenDenmark
| | - Thomas H. Braunstein
- Core Facility for Integrated Microscopy, Faculty of Health and Medical SciencesUniversity of CopenhagenCopenhagenDenmark
| | - Jørgen A. L. Kurtzhals
- Department of Immunology and Microbiology, Centre for Medical ParasitologyUniversity of CopenhagenCopenhagenDenmark,Department of Clinical MicrobiologyCopenhagen University Hospital, RigshospitaletCopenhagenDenmark
| | - Thomas N. Williams
- KEMRI‐Wellcome Trust Research ProgrammeKilifiKenya,Department of Surgery and CancerInstitute of Global Health Innovation, Imperial College LondonLondonUnited Kingdom
| | - David C. Rees
- Department of Haematological MedicineKing's College HospitalLondonUnited Kingdom,Comprehensive Cancer Centre, School of Cancer and Pharmaceutical SciencesKing's College LondonLondonUnited Kingdom
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Brewin JN, Nardo-Marino A, Stuart-Smith S, El Hoss S, Hanneman A, Strouboulis J, Menzel S, Gibson JS, Rees DC. The pleiotropic effects of α-thalassemia on HbSS and HbSC sickle cell disease: Reduced erythrocyte cation co-transport activity, serum erythropoietin, and transfusion burden, do not translate into increased survival. Am J Hematol 2022; 97:1275-1285. [PMID: 35802781 PMCID: PMC9543574 DOI: 10.1002/ajh.26652] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2022] [Revised: 06/30/2022] [Accepted: 07/05/2022] [Indexed: 01/24/2023]
Abstract
α-Thalassemia is one of the most important genetic modulators of sickle cell disease (SCD). Both beneficial and detrimental effects have been described previously. We use a 12-year data set on a large cohort of patients with HbSS (n = 411) and HbSC (n = 146) to examine a wide range of these clinical and laboratory associations. Our novel findings are that α-thalassemia strongly reduces erythrocyte potassium chloride co-transporter (KCC) activity in both HbSS and HbSC (p = .035 and p = .00045 respectively), suggesting a novel mechanism through which α-thalassemia induces a milder phenotype by reducing red cell cation loss. This may be particularly important in HbSC where reduction in mean cell hemoglobin concentration is not seen and where KCC activity has previously been found to correlate with disease severity. Additionally, we show that α-thalassemia not only increases hemoglobin in patients with HbSS (p = .0009) but also reduces erythropoietin values (p = .0005), demonstrating a measurable response to improved tissue oxygenation. We confirm the reno-protective effect of α-thalassemia in patients with HbSS, with reduced proteinuria (p = .003) and demonstrate a novel association with increased serum sodium (p = .0004) and reduced serum potassium values (p = 5.74 × 10-10 ). We found patients with α-thalassemia had a reduced annualized transfusion burden in both HbSS and HbSC, but α-thalassemia had no impact on annualized admission rates in either group. Finally, in a larger cohort, we report a median survival of 62 years in patients with HbSS (n = 899) and 80 years in those with HbSC (n = 240). α-thalassemia did not influence survival in HbSS, but a nonsignificant trend was seen in those with HbSC.
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Affiliation(s)
- John N Brewin
- Department of Haematological Medicine, King's College Hospital, London, UK.,Comprehensive Cancer Centre, School of Cancer and Pharmaceutical Sciences, King's College London, London, UK
| | - Amina Nardo-Marino
- Department of Haematological Medicine, King's College Hospital, London, UK.,Comprehensive Cancer Centre, School of Cancer and Pharmaceutical Sciences, King's College London, London, UK.,Centre for Haemoglobinopathies, Department of Haematology, Copenhagen University Hospital (Rigshospitalet), Copenhagen, Denmark
| | - Sara Stuart-Smith
- Department of Haematological Medicine, King's College Hospital, London, UK
| | - Sara El Hoss
- Comprehensive Cancer Centre, School of Cancer and Pharmaceutical Sciences, King's College London, London, UK
| | - Anke Hanneman
- Department of Veterinary Medicine, University of Cambridge, Cambridge, UK
| | - John Strouboulis
- Comprehensive Cancer Centre, School of Cancer and Pharmaceutical Sciences, King's College London, London, UK
| | - Stephan Menzel
- Comprehensive Cancer Centre, School of Cancer and Pharmaceutical Sciences, King's College London, London, UK
| | - John S Gibson
- Department of Veterinary Medicine, University of Cambridge, Cambridge, UK
| | - David C Rees
- Department of Haematological Medicine, King's College Hospital, London, UK.,Comprehensive Cancer Centre, School of Cancer and Pharmaceutical Sciences, King's College London, London, UK
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Man Y, An R, Monchamp K, Sekyonda Z, Kucukal E, Federici C, Wulftange WJ, Goreke U, Bode A, Sheehan VA, Gurkan UA. OcclusionChip: A functional microcapillary occlusion assay complementary to ektacytometry for detection of small-fraction red blood cells with abnormal deformability. Front Physiol 2022; 13:954106. [PMID: 36091387 PMCID: PMC9452903 DOI: 10.3389/fphys.2022.954106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Accepted: 07/05/2022] [Indexed: 11/22/2022] Open
Abstract
Red blood cell (RBC) deformability is a valuable hemorheological biomarker that can be used to assess the clinical status and response to therapy of individuals with sickle cell disease (SCD). RBC deformability has been measured by ektacytometry for decades, which uses shear or osmolar stress. However, ektacytometry is a population based measurement that does not detect small-fractions of abnormal RBCs. A single cell-based, functional RBC deformability assay would complement ektacytometry and provide additional information. Here, we tested the relative merits of the OcclusionChip, which measures RBC deformability by microcapillary occlusion, and ektacytometry. We tested samples containing glutaraldehyde-stiffened RBCs for up to 1% volume fraction; ektacytometry detected no significant change in Elongation Index (EI), while the OcclusionChip showed significant differences in Occlusion Index (OI). OcclusionChip detected a significant increase in OI in RBCs from an individual with sickle cell trait (SCT) and from a subject with SCD who received allogeneic hematopoietic stem cell transplant (HSCT), as the sample was taken from normoxic (pO2:159 mmHg) to physiologic hypoxic (pO2:45 mmHg) conditions. Oxygen gradient ektacytometry detected no difference in EI for SCT or HSCT. These results suggest that the single cell-based OcclusionChip enables detection of sickle hemoglobin (HbS)-related RBC abnormalities in SCT and SCD, particularly when the HbS level is low. We conclude that the OcclusionChip is complementary to the population based ektacytometry assays, and providing additional sensitivity and capacity to detect modest abnormalities in red cell function or small populations of abnormal red cells.
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Affiliation(s)
- Yuncheng Man
- Department of Mechanical and Aerospace Engineering, Case Western Reserve University, Cleveland, OH, United States
| | - Ran An
- Department of Mechanical and Aerospace Engineering, Case Western Reserve University, Cleveland, OH, United States
| | - Karamoja Monchamp
- Department of Mechanical and Aerospace Engineering, Case Western Reserve University, Cleveland, OH, United States
- Division of Hematology and Oncology, School of Medicine, Case Western Reserve University, Cleveland, OH, United States
| | - Zoe Sekyonda
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, United States
| | - Erdem Kucukal
- Department of Mechanical and Aerospace Engineering, Case Western Reserve University, Cleveland, OH, United States
| | - Chiara Federici
- Department of Mechanical and Aerospace Engineering, Case Western Reserve University, Cleveland, OH, United States
- Division of Hematology and Oncology, School of Medicine, Case Western Reserve University, Cleveland, OH, United States
| | - William J. Wulftange
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, United States
| | - Utku Goreke
- Department of Mechanical and Aerospace Engineering, Case Western Reserve University, Cleveland, OH, United States
| | - Allison Bode
- Department of Mechanical and Aerospace Engineering, Case Western Reserve University, Cleveland, OH, United States
- Division of Hematology and Oncology, School of Medicine, Case Western Reserve University, Cleveland, OH, United States
| | - Vivien A. Sheehan
- Aflac Cancer & Blood Disorders Center Children’s Healthcare of Atlanta, Emory University School of Medicine, Atlanta, GA, United States
| | - Umut A. Gurkan
- Department of Mechanical and Aerospace Engineering, Case Western Reserve University, Cleveland, OH, United States
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, United States
- Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, OH, United States
- *Correspondence: Umut A. Gurkan,
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El Hoss S, El Nemer W, Rees DC. Precision Medicine and Sickle Cell Disease. Hemasphere 2022; 6:e762. [PMID: 35999951 PMCID: PMC9390823 DOI: 10.1097/hs9.0000000000000762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Accepted: 07/06/2022] [Indexed: 11/25/2022] Open
Abstract
Sickle cell disease (SCD) is characterized by variable clinical outcomes, with some patients suffering life-threatening complications during childhood, and others living relatively symptom-free into old age. Because of this variability, there is an important potential role for precision medicine, in which particular different treatments are selected for different groups of patients. However, the application of precision medicine in SCD is limited by difficulties in identifying different prognostic groups and the small number of available treatments. The main genetic determinant of outcomes in SCD is the underlying β-globin genotype, with sickle cell anemia (HbSS) and hemoglobin SC disease (HbSC) forming the 2 major forms of the disease in most populations of African origin. Although there are clear differences in clinical outcomes between these conditions, treatments approaches are very similar, with little evidence on how to treat HbSC in particular. Other genomic information, such as the co-inheritance of α-thalassemia, or high fetal hemoglobin (HbF) levels, is of some prognostic value but insufficient to determine treatments. Precision medicine is further limited by the fact that the 2 main drugs used in SCD, penicillin and hydroxyurea, are currently recommended for all patients. Newer treatments, such as crizanlizumab and voxelotor, raise the possibility that groups will emerge who respond best to particular drugs or combinations. Perhaps the best current example of precision medicine in SCD is the selective use of blood transfusions as primary stroke prevention in children with evidence of cerebral vasculopathy. More precise treatments may emerge as we understand more about the pathology of SCD, including problems with erythropoiesis.
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Sheehan VA, van Beers EJ, Connes P, van Wijk R, Rab MAE. Comment on: Oxygen gradient ektacytometry does not predict pain in children with sickle cell anaemia. Br J Haematol 2022; 197:e61-e62. [PMID: 35141896 PMCID: PMC9304313 DOI: 10.1111/bjh.18069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Accepted: 01/18/2022] [Indexed: 11/30/2022]
Affiliation(s)
- Vivien A Sheehan
- Department of Pediatrics, Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta, Georgia, USA
| | - Eduard J van Beers
- Van Creveldkliniek, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Philippe Connes
- Laboratory LIBM EA7424, "Vascular Biology and Red Blood Cell" Team, University of Lyon 1, Lyon, France.,Laboratory of Excellence GR-Ex, Paris, France
| | - Richard van Wijk
- Central Diagnostic Laboratory-Research, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Minke A E Rab
- Central Diagnostic Laboratory-Research, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands.,Department of Hematology, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
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Joly P, Boisson C, Renoux C, Caillat N, Robert M, Gauthier-Vasserot A, Poutrel S, Cibiel A, Nader E, Connes P. Determinants of the point of sickling measured by oxygen gradient ektacytometry in sickle cell anaemia. Br J Haematol 2022; 197:e56-e58. [PMID: 35106753 DOI: 10.1111/bjh.18043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 12/09/2021] [Accepted: 01/03/2022] [Indexed: 11/29/2022]
Affiliation(s)
- Philippe Joly
- UF « Biochimie des pathologies érythrocytaires », Laboratoire de Biochimie et Biologie moléculaire Grand-Est, Groupement hospitalier Est, Hospices Civils de Lyon, Bron, France.,Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Equipe "Biologie vasculaire et du globule rouge", Université Claude Bernard Lyon 1, COMUE, Lyon, France.,Laboratoire d'Excellence du Globule Rouge (Labex GR-Ex), PRES Sorbonne, Paris, France
| | - Camille Boisson
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Equipe "Biologie vasculaire et du globule rouge", Université Claude Bernard Lyon 1, COMUE, Lyon, France.,Laboratoire d'Excellence du Globule Rouge (Labex GR-Ex), PRES Sorbonne, Paris, France
| | - Céline Renoux
- UF « Biochimie des pathologies érythrocytaires », Laboratoire de Biochimie et Biologie moléculaire Grand-Est, Groupement hospitalier Est, Hospices Civils de Lyon, Bron, France.,Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Equipe "Biologie vasculaire et du globule rouge", Université Claude Bernard Lyon 1, COMUE, Lyon, France.,Laboratoire d'Excellence du Globule Rouge (Labex GR-Ex), PRES Sorbonne, Paris, France
| | - Noémie Caillat
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Equipe "Biologie vasculaire et du globule rouge", Université Claude Bernard Lyon 1, COMUE, Lyon, France
| | - Mélanie Robert
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Equipe "Biologie vasculaire et du globule rouge", Université Claude Bernard Lyon 1, COMUE, Lyon, France.,Laboratoire d'Excellence du Globule Rouge (Labex GR-Ex), PRES Sorbonne, Paris, France.,Erytech Pharma, Lyon, France
| | - Alexandra Gauthier-Vasserot
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Equipe "Biologie vasculaire et du globule rouge", Université Claude Bernard Lyon 1, COMUE, Lyon, France.,Laboratoire d'Excellence du Globule Rouge (Labex GR-Ex), PRES Sorbonne, Paris, France.,Institut d'Hématologie et d'Oncologie Pédiatrique, Hospices Civils de Lyon, Lyon, France
| | - Solène Poutrel
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Equipe "Biologie vasculaire et du globule rouge", Université Claude Bernard Lyon 1, COMUE, Lyon, France.,Laboratoire d'Excellence du Globule Rouge (Labex GR-Ex), PRES Sorbonne, Paris, France.,Département de Médecine Interne, Hôpital Edouard Herriot, Hospices Civils de Lyon, Lyon, France
| | | | - Elie Nader
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Equipe "Biologie vasculaire et du globule rouge", Université Claude Bernard Lyon 1, COMUE, Lyon, France.,Laboratoire d'Excellence du Globule Rouge (Labex GR-Ex), PRES Sorbonne, Paris, France
| | - Philippe Connes
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Equipe "Biologie vasculaire et du globule rouge", Université Claude Bernard Lyon 1, COMUE, Lyon, France.,Laboratoire d'Excellence du Globule Rouge (Labex GR-Ex), PRES Sorbonne, Paris, France
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