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Wakabayashi T, Takahashi M, Okazaki H, Okazaki S, Yokote K, Tada H, Ogura M, Ishigaki Y, Yamashita S, Harada-Shiba M. Current Diagnosis and Management of Familial Hypobetalipoproteinemia 1. J Atheroscler Thromb 2024:RV22018. [PMID: 38710625 DOI: 10.5551/jat.rv22018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/08/2024] Open
Abstract
Familial hypobetalipoproteinemia (FHBL) 1 is a rare genetic disorder with an autosomal codominant mode of inheritance and is caused by defects in the apolipoprotein (apo) B (APOB) gene that disable lipoprotein formation. ApoB proteins are required for the formation of very low-density lipoproteins (VLDLs), chylomicrons, and their metabolites. VLDLs transport cholesterol and triglycerides from the liver to the peripheral tissues, whereas chylomicrons transport absorbed lipids and fat-soluble vitamins from the intestine. Homozygous or compound heterozygotes of FHBL1 (HoFHBL1) are extremely rare, and defects in APOB impair VLDL and chylomicron secretion, which result in marked hypolipidemia with malabsorption of fat and fat-soluble vitamins, leading to various complications such as growth disorders, acanthocytosis, retinitis pigmentosa, and neuropathy. Heterozygotes of FHBL1 are relatively common and are generally asymptomatic, except for moderate hypolipidemia and possible hepatic steatosis. If left untreated, HoFHBL1 can cause severe complications and disabilities that are pathologically and phenotypically similar to abetalipoproteinemia (ABL) (an autosomal recessive disorder) caused by mutations in the microsomal triglyceride transfer protein (MTTP) gene. Although HoFHBL1 and ABL cannot be distinguished from the clinical manifestations and laboratory findings of the proband, moderate hypolipidemia in first-degree relatives may help diagnose HoFHBL1. There is currently no specific treatment for HoFHBL1. Palliative therapy including high-dose fat-soluble vitamin supplementation may prevent or delay complications. Registry research on HoFHBL1 is currently ongoing to better understand the disease burden and unmet needs of this life-threatening disease with few therapeutic options.
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Affiliation(s)
- Tetsuji Wakabayashi
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Jichi Medical University
| | - Manabu Takahashi
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Jichi Medical University
| | - Hiroaki Okazaki
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Jichi Medical University
| | - Sachiko Okazaki
- Division for Health Service Promotion, The University of Tokyo
| | | | - Hayato Tada
- Department of Cardiovascular Medicine, Kanazawa University Graduate School of Medical Sciences
| | - Masatsune Ogura
- Department of Clinical Laboratory Technology, Faculty of Medical Science, Juntendo University
| | - Yasushi Ishigaki
- Division of Diabetes, Metabolism and Endocrinology, Department of Internal Medicine, Iwate Medical University
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Bremova-Ertl T, Hofmann J, Stucki J, Vossenkaul A, Gautschi M. Inborn Errors of Metabolism with Ataxia: Current and Future Treatment Options. Cells 2023; 12:2314. [PMID: 37759536 PMCID: PMC10527548 DOI: 10.3390/cells12182314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 09/09/2023] [Accepted: 09/15/2023] [Indexed: 09/29/2023] Open
Abstract
A number of hereditary ataxias are caused by inborn errors of metabolism (IEM), most of which are highly heterogeneous in their clinical presentation. Prompt diagnosis is important because disease-specific therapies may be available. In this review, we offer a comprehensive overview of metabolic ataxias summarized by disease, highlighting novel clinical trials and emerging therapies with a particular emphasis on first-in-human gene therapies. We present disease-specific treatments if they exist and review the current evidence for symptomatic treatments of these highly heterogeneous diseases (where cerebellar ataxia is part of their phenotype) that aim to improve the disease burden and enhance quality of life. In general, a multimodal and holistic approach to the treatment of cerebellar ataxia, irrespective of etiology, is necessary to offer the best medical care. Physical therapy and speech and occupational therapy are obligatory. Genetic counseling is essential for making informed decisions about family planning.
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Affiliation(s)
- Tatiana Bremova-Ertl
- Department of Neurology, University Hospital Bern (Inselspital) and University of Bern, 3010 Bern, Switzerland; (J.H.); (J.S.)
- Center for Rare Diseases, University Hospital Bern (Inselspital) and University of Bern, 3010 Bern, Switzerland
| | - Jan Hofmann
- Department of Neurology, University Hospital Bern (Inselspital) and University of Bern, 3010 Bern, Switzerland; (J.H.); (J.S.)
| | - Janine Stucki
- Department of Neurology, University Hospital Bern (Inselspital) and University of Bern, 3010 Bern, Switzerland; (J.H.); (J.S.)
| | - Anja Vossenkaul
- Division of Pediatric Endocrinology, Diabetes and Metabolism, Department of Paediatrics, Inselspital, Bern University Hospital, University of Bern, 3010 Bern, Switzerland; (A.V.); (M.G.)
| | - Matthias Gautschi
- Division of Pediatric Endocrinology, Diabetes and Metabolism, Department of Paediatrics, Inselspital, Bern University Hospital, University of Bern, 3010 Bern, Switzerland; (A.V.); (M.G.)
- Institute of Clinical Chemistry, Inselspital, Bern University Hospital, University of Bern, 3010 Bern, Switzerland
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Gill PK, Hegele RA. Low cholesterol states: clinical implications and management. Expert Rev Endocrinol Metab 2023; 18:241-253. [PMID: 37089071 DOI: 10.1080/17446651.2023.2204932] [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: 02/04/2023] [Accepted: 04/17/2023] [Indexed: 04/25/2023]
Abstract
INTRODUCTION Hypocholesterolemia results from genetic - both monogenic and polygenic - and non-genetic causes and can sometimes be a source of clinical concern. We review etiologies and sequelae of hypocholesterolemia and therapeutics inspired from genetic hypocholesterolemia. AREAS COVERED Monogenic hypocholesterolemia disorders caused by the complete absence of apolipoprotein (apo) B-containing lipoproteins (abetalipoproteinemia and homozygous hypobetalipoproteinemia) or an isolated absence of apo B-48 lipoproteinemia (chylomicron retention disease) lead to clinical sequelae. These include gastrointestinal disturbances and severe vitamin deficiencies that affect multiple body systems, i.e. neurological, musculoskeletal, ophthalmological, and hematological. Monogenic hypocholesterolemia disorders with reduced but not absent levels of apo B lipoproteins have a milder clinical presentation and patients are protected against atherosclerotic cardiovascular disease. Patients with heterozygous hypobetalipoproteinemia have somewhat increased risk of hepatic disease, while patients with PCSK9 deficiency, ANGPTL3 deficiency, and polygenic hypocholesterolemia typically have anunremarkable clinical presentation. EXPERT OPINION In patients with severe monogenic hypocholesterolemia, early initiation of high-dose vitamin therapy and a low-fat diet are essential for optimal prognosis. The molecular basis of monogenic hypocholesterolemia has inspired novel therapeutics to help patients with the opposite phenotype - i.e. elevated apo B-containing lipoproteins. In particular, inhibitors of PCSK9 and ANGPTL3 show important clinical impact.
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Affiliation(s)
- Praneet K Gill
- Department of Medicine, Schulich School of Medicine and Dentistry, Western University, London, Canada
| | - Robert A Hegele
- Department of Medicine, Schulich School of Medicine and Dentistry, Western University, London, Canada
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Rodríguez-Jiménez C, de la Peña G, Sanguino J, Poyatos-Peláez S, Carazo A, Martínez-Hernández PL, Arrieta F, Mostaza JM, Gómez-Coronado D, Rodríguez-Nóvoa S. Identification and Functional Analysis of APOB Variants in a Cohort of Hypercholesterolemic Patients. Int J Mol Sci 2023; 24:ijms24087635. [PMID: 37108800 PMCID: PMC10142790 DOI: 10.3390/ijms24087635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 04/13/2023] [Accepted: 04/17/2023] [Indexed: 04/29/2023] Open
Abstract
Mutations in APOB are the second most frequent cause of familial hypercholesterolemia (FH). APOB is highly polymorphic, and many variants are benign or of uncertain significance, so functional analysis is necessary to ascertain their pathogenicity. Our aim was to identify and characterize APOB variants in patients with hypercholesterolemia. Index patients (n = 825) with clinically suspected FH were analyzed using next-generation sequencing. In total, 40% of the patients presented a variant in LDLR, APOB, PCSK9 or LDLRAP1, with 12% of the variants in APOB. These variants showed frequencies in the general population lower than 0.5% and were classified as damaging and/or probably damaging by 3 or more predictors of pathogenicity. The variants c.10030A>G;p.(Lys3344Glu) and c.11401T>A;p.(Ser3801Thr) were characterized. The p.(Lys3344Glu) variant co-segregated with high low-density lipoprotein (LDL)-cholesterol in 2 families studied. LDL isolated from apoB p.(Lys3344Glu) heterozygous patients showed reduced ability to compete with fluorescently-labelled LDL for cellular binding and uptake compared with control LDL and was markedly deficient in supporting U937 cell proliferation. LDL that was carrying apoB p.(Ser3801Thr) was not defective in competing with control LDL for cellular binding and uptake. We conclude that the apoB p.(Lys3344Glu) variant is defective in the interaction with the LDL receptor and is causative of FH, whereas the apoB p.(Ser3801Thr) variant is benign.
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Affiliation(s)
- Carmen Rodríguez-Jiménez
- Metabolic Diseases Laboratory, Genetics Department, Hospital Universitario La Paz, Paseo de la Castellana, 261, 28046 Madrid, Spain
- Dyslipidemias of Genetic Origin and Metabolic Diseases Group, Instituto de Investigación Hospital Universitario La Paz (IdiPAZ), Hospital Universitario La Paz, Paseo de la Castellana, 261, 28046 Madrid, Spain
| | - Gema de la Peña
- Department of Biochemistry-Research, Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Carretera de Colmenar, km 9, 28034 Madrid, Spain
| | - Javier Sanguino
- Metabolic Diseases Laboratory, Genetics Department, Hospital Universitario La Paz, Paseo de la Castellana, 261, 28046 Madrid, Spain
- Dyslipidemias of Genetic Origin and Metabolic Diseases Group, Instituto de Investigación Hospital Universitario La Paz (IdiPAZ), Hospital Universitario La Paz, Paseo de la Castellana, 261, 28046 Madrid, Spain
| | - Sara Poyatos-Peláez
- Department of Biochemistry-Research, Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Carretera de Colmenar, km 9, 28034 Madrid, Spain
| | - Ana Carazo
- Metabolic Diseases Laboratory, Genetics Department, Hospital Universitario La Paz, Paseo de la Castellana, 261, 28046 Madrid, Spain
- Dyslipidemias of Genetic Origin and Metabolic Diseases Group, Instituto de Investigación Hospital Universitario La Paz (IdiPAZ), Hospital Universitario La Paz, Paseo de la Castellana, 261, 28046 Madrid, Spain
| | - Pedro L Martínez-Hernández
- Department of Internal Medicine, Hospital Universitario La Paz, Paseo de la Castellana, 261, 28046 Madrid, Spain
| | - Francisco Arrieta
- Department of Endocrinology and Nutrition, Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Carretera de Colmenar, km 9, 28034 Madrid, Spain
| | - José M Mostaza
- Lipid and Vascular Unit, Department of Internal Medicine, Hospital Carlos III-La Paz, Sinesio Delgado, 10, 28029 Madrid, Spain
| | - Diego Gómez-Coronado
- Department of Biochemistry-Research, Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Carretera de Colmenar, km 9, 28034 Madrid, Spain
| | - Sonia Rodríguez-Nóvoa
- Metabolic Diseases Laboratory, Genetics Department, Hospital Universitario La Paz, Paseo de la Castellana, 261, 28046 Madrid, Spain
- Dyslipidemias of Genetic Origin and Metabolic Diseases Group, Instituto de Investigación Hospital Universitario La Paz (IdiPAZ), Hospital Universitario La Paz, Paseo de la Castellana, 261, 28046 Madrid, Spain
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Rodríguez de Vera-Gómez P, del Pino-Bellido P, García-González JJ, Sánchez-Jiménez F, Oliva-Rodríguez R, Arrobas-Velilla T, Martínez-Brocca MA. Novel APOB nonsense variant related to familial hypobetalipoproteinemia and hepatic steatosis: A case report and review. J Clin Lipidol 2022; 16:601-607. [DOI: 10.1016/j.jacl.2022.07.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 06/29/2022] [Accepted: 07/11/2022] [Indexed: 11/30/2022]
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Ayoub C, Azar Y, Abou-Khalil Y, Ghaleb Y, Elbitar S, Halaby G, Jambart S, Gannagé-Yared MH, Yaghi C, Saade Riachy C, El Khoury R, Rabès JP, Varret M, Boileau C, El Khoury P, Abifadel M. Identification of a Variant in APOB Gene as a Major Cause of Hypobetalipoproteinemia in Lebanese Families. Metabolites 2021; 11:564. [PMID: 34564380 PMCID: PMC8469161 DOI: 10.3390/metabo11090564] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2021] [Revised: 08/13/2021] [Accepted: 08/14/2021] [Indexed: 12/03/2022] Open
Abstract
Familial hypobetalipoproteinemia (FHBL) is a codominant genetic disorder characterized by reduced plasma levels of low-density lipoprotein cholesterol and apolipoprotein B. To our knowledge, no study on FHBL in Lebanon and the Middle East region has been reported. Therefore, we conducted genetic studies in unrelated families and probands of Lebanese origin presenting with FHBL, in order to identify the causes of this disease. We found that 71% of the recruited probands and their affected relatives were heterozygous for the p.(Arg490Trp) variant in the APOB gene. Haplotype analysis showed that these patients presented the same mutant haplotype. Moreover, there was a decrease in plasma levels of PCSK9 in affected individuals compared to the non-affected and a significant positive correlation between circulating PCSK9 and ApoB levels in all studied probands and their family members. Some of the p.(Arg490Trp) carriers suffered from diabetes, hepatic steatosis or neurological problems. In conclusion, the p.(Arg490Trp) pathogenic variant seems a cause of FHBL in patients from Lebanese origin, accounting for approximately 70% of the probands with FHBL presumably as a result of a founder mutation in Lebanon. This study is crucial to guide the early diagnosis, management and prevention of the associated complications of this disease.
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Affiliation(s)
- Carine Ayoub
- Laboratory of Biochemistry and Molecular Therapeutics (LBTM), Faculty of Pharmacy, Pôle Technologie-Santé, Saint Joseph University of Beirut, Beirut 17-5208, Lebanon
| | - Yara Azar
- Laboratory of Biochemistry and Molecular Therapeutics (LBTM), Faculty of Pharmacy, Pôle Technologie-Santé, Saint Joseph University of Beirut, Beirut 17-5208, Lebanon
- Laboratory for Vascular Translational Science (LVTS), INSERM U1148, Bichat Hospital, F-75018 Paris, France
- Centre Hospitalo-Universitaire Xavier Bichat, Université de Paris, F-75018 Paris, France
| | - Yara Abou-Khalil
- Laboratory of Biochemistry and Molecular Therapeutics (LBTM), Faculty of Pharmacy, Pôle Technologie-Santé, Saint Joseph University of Beirut, Beirut 17-5208, Lebanon
- Laboratory for Vascular Translational Science (LVTS), INSERM U1148, Bichat Hospital, F-75018 Paris, France
- Centre Hospitalo-Universitaire Xavier Bichat, Université de Paris, F-75018 Paris, France
| | - Youmna Ghaleb
- Laboratory of Biochemistry and Molecular Therapeutics (LBTM), Faculty of Pharmacy, Pôle Technologie-Santé, Saint Joseph University of Beirut, Beirut 17-5208, Lebanon
- Laboratory for Vascular Translational Science (LVTS), INSERM U1148, Bichat Hospital, F-75018 Paris, France
| | - Sandy Elbitar
- Laboratory of Biochemistry and Molecular Therapeutics (LBTM), Faculty of Pharmacy, Pôle Technologie-Santé, Saint Joseph University of Beirut, Beirut 17-5208, Lebanon
- Laboratory for Vascular Translational Science (LVTS), INSERM U1148, Bichat Hospital, F-75018 Paris, France
| | - Georges Halaby
- Faculty of Medicine, Saint Joseph University of Beirut, Beirut 17-5208, Lebanon
| | - Selim Jambart
- Faculty of Medicine, Saint Joseph University of Beirut, Beirut 17-5208, Lebanon
| | - Marie-Hélène Gannagé-Yared
- Faculty of Medicine, Saint Joseph University of Beirut, Beirut 17-5208, Lebanon
- Hotel Dieu de France of Beirut University Hospital, Beirut 166830, Lebanon
| | - Cesar Yaghi
- Faculty of Medicine, Saint Joseph University of Beirut, Beirut 17-5208, Lebanon
- Hotel Dieu de France of Beirut University Hospital, Beirut 166830, Lebanon
| | - Carole Saade Riachy
- Faculty of Medicine, Saint Joseph University of Beirut, Beirut 17-5208, Lebanon
| | - Ralph El Khoury
- Faculty of Medicine, Saint Joseph University of Beirut, Beirut 17-5208, Lebanon
| | - Jean-Pierre Rabès
- Laboratory for Vascular Translational Science (LVTS), INSERM U1148, Bichat Hospital, F-75018 Paris, France
- Biochemistry and Molecular Genetics Laboratory, AP-HP, Université Paris-Saclay, Ambroise Paré Hospital, Boulogne Billancourt, UVSQ, UFR Simone Veil-Santé, F-78180 Montigny-Le-Bretonneux, France
| | - Mathilde Varret
- Laboratory for Vascular Translational Science (LVTS), INSERM U1148, Bichat Hospital, F-75018 Paris, France
- Centre Hospitalo-Universitaire Xavier Bichat, Université de Paris, F-75018 Paris, France
| | - Catherine Boileau
- Laboratory for Vascular Translational Science (LVTS), INSERM U1148, Bichat Hospital, F-75018 Paris, France
- Centre Hospitalo-Universitaire Xavier Bichat, Université de Paris, F-75018 Paris, France
- Genetics Department, AP-HP, Bichat Hospital, F-75018 Paris, France
| | - Petra El Khoury
- Laboratory of Biochemistry and Molecular Therapeutics (LBTM), Faculty of Pharmacy, Pôle Technologie-Santé, Saint Joseph University of Beirut, Beirut 17-5208, Lebanon
- Laboratory for Vascular Translational Science (LVTS), INSERM U1148, Bichat Hospital, F-75018 Paris, France
| | - Marianne Abifadel
- Laboratory of Biochemistry and Molecular Therapeutics (LBTM), Faculty of Pharmacy, Pôle Technologie-Santé, Saint Joseph University of Beirut, Beirut 17-5208, Lebanon
- Laboratory for Vascular Translational Science (LVTS), INSERM U1148, Bichat Hospital, F-75018 Paris, France
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Cloos AS, Daenen LGM, Maja M, Stommen A, Vanderroost J, Van Der Smissen P, Rab M, Westerink J, Mignolet E, Larondelle Y, Terrasi R, Muccioli GG, Dumitru AC, Alsteens D, van Wijk R, Tyteca D. Impaired Cytoskeletal and Membrane Biophysical Properties of Acanthocytes in Hypobetalipoproteinemia - A Case Study. Front Physiol 2021; 12:638027. [PMID: 33708142 PMCID: PMC7940373 DOI: 10.3389/fphys.2021.638027] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Accepted: 01/25/2021] [Indexed: 12/03/2022] Open
Abstract
Familial hypobetalipoproteinemia is a metabolic disorder mainly caused by mutations in the apolipoprotein B gene. In its homozygous form it can lead without treatment to severe ophthalmological and neurological manifestations. In contrast, the heterozygous form is generally asymptomatic but associated with a low risk of cardiovascular disease. Acanthocytes or thorny red blood cells (RBCs) are described for both forms of the disease. However, those morphological changes are poorly characterized and their potential consequences for RBC functionality are not understood. Thus, in the present study, we asked whether, to what extent and how acanthocytes from a patient with heterozygous familial hypobetalipoproteinemia could exhibit altered RBC functionality. Acanthocytes represented 50% of the total RBC population and contained mitoTracker-positive surface patches, indicating the presence of mitochondrial fragments. While RBC osmotic fragility, calcium content and ATP homeostasis were preserved, a slight decrease of RBC deformability combined with an increase of intracellular free reactive oxygen species were observed. The spectrin cytoskeleton was altered, showing a lower density and an enrichment in patches. At the membrane level, no obvious modification of the RBC membrane fatty acids nor of the cholesterol content were detected but the ceramide species were all increased. Membrane stiffness and curvature were also increased whereas transversal asymmetry was preserved. In contrast, lateral asymmetry was highly impaired showing: (i) increased abundance and decreased functionality of sphingomyelin-enriched domains; (ii) cholesterol enrichment in spicules; and (iii) ceramide enrichment in patches. We propose that oxidative stress induces cytoskeletal alterations, leading to increased membrane stiffness and curvature and impaired lipid lateral distribution in domains and spicules. In addition, ceramide- and spectrin-enriched patches could result from a RBC maturation defect. Altogether, the data indicate that acanthocytes are associated with cytoskeletal and membrane lipid lateral asymmetry alterations, while deformability is only mildly impaired. In addition, familial hypobetalipoproteinemia might also affect RBC precursors leading to disturbed RBC maturation. This study paves the way for the potential use of membrane biophysics and lipid vital imaging as new methods for diagnosis of RBC disorders.
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Affiliation(s)
- Anne-Sophie Cloos
- CELL Unit & PICT Imaging Platform, de Duve Institute, UCLouvain, Brussels, Belgium
| | - Laura G M Daenen
- Department of Hematology, University Medical Center Utrecht, Utrecht University, Utrecht, Netherlands
| | - Mauriane Maja
- CELL Unit & PICT Imaging Platform, de Duve Institute, UCLouvain, Brussels, Belgium
| | - Amaury Stommen
- CELL Unit & PICT Imaging Platform, de Duve Institute, UCLouvain, Brussels, Belgium
| | - Juliette Vanderroost
- CELL Unit & PICT Imaging Platform, de Duve Institute, UCLouvain, Brussels, Belgium
| | | | - Minke Rab
- Central Diagnostic Laboratory - Research, University Medical Center Utrecht, Utrecht University, Utrecht, Netherlands
| | - Jan Westerink
- Department of Vascular Medicine, University Medical Center Utrecht, Utrecht University, Utrecht, Netherlands
| | - Eric Mignolet
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Ottignies-Louvain-la-Neuve, Belgium
| | - Yvan Larondelle
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Ottignies-Louvain-la-Neuve, Belgium
| | - Romano Terrasi
- Bioanalysis and Pharmacology of Bioactive Lipids Research Group, Louvain Drug Research Institute, UCLouvain, Brussels, Belgium
| | - Giulio G Muccioli
- Bioanalysis and Pharmacology of Bioactive Lipids Research Group, Louvain Drug Research Institute, UCLouvain, Brussels, Belgium
| | - Andra C Dumitru
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Ottignies-Louvain-la-Neuve, Belgium
| | - David Alsteens
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Ottignies-Louvain-la-Neuve, Belgium
| | - Richard van Wijk
- Central Diagnostic Laboratory - Research, University Medical Center Utrecht, Utrecht University, Utrecht, Netherlands
| | - Donatienne Tyteca
- CELL Unit & PICT Imaging Platform, de Duve Institute, UCLouvain, Brussels, Belgium
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