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O'Sullivan JM, Mead AJ, Psaila B. Single-cell methods in myeloproliferative neoplasms: old questions, new technologies. Blood 2023; 141:380-390. [PMID: 36322938 DOI: 10.1182/blood.2021014668] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 10/14/2022] [Accepted: 10/14/2022] [Indexed: 11/05/2022] Open
Abstract
Myeloproliferative neoplasms (MPN) are a group of clonal stem cell-derived hematopoietic malignancies driven by aberrant Janus kinase-signal transducer and activator of transcription proteins (JAK/STAT) signaling. Although these are genetically simple diseases, MPNs are phenotypically heterogeneous, reflecting underlying intratumoral heterogeneity driven by the interplay of genetic and nongenetic factors. Their evolution is determined by factors that enable certain cellular subsets to outcompete others. Therefore, techniques that resolve cellular heterogeneity at the single-cell level are ideally placed to provide new insights into MPN biology. With these insights comes the potential to uncover new approaches to predict the clinical course and treat these cancers, ultimately improving outcomes for patients. MPNs present a particularly tractable model of cancer evolution, because most patients present in an early disease phase and only a small proportion progress to aggressive disease. Therefore, it is not surprising that many groundbreaking technological advances in single-cell omics have been pioneered by their application in MPNs. In this review article, we explore how single-cell approaches have provided transformative insights into MPN disease biology, which are broadly applicable across human cancers, and discuss how these studies might be swiftly translated into clinical pathways and may eventually underpin precision medicine.
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Affiliation(s)
- Jennifer Mary O'Sullivan
- Medical Research Council Molecular Haematology Unit, Medical Research Council Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, United Kingdom
- NIHR Biomedical Research Centre, University of Oxford, Oxford, United Kingdom
| | - Adam J Mead
- Medical Research Council Molecular Haematology Unit, Medical Research Council Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, United Kingdom
- NIHR Biomedical Research Centre, University of Oxford, Oxford, United Kingdom
| | - Bethan Psaila
- Medical Research Council Molecular Haematology Unit, Medical Research Council Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, United Kingdom
- NIHR Biomedical Research Centre, University of Oxford, Oxford, United Kingdom
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Olkhovskiy IА, Stolyar MA, Komarovskiy YY, Gorbenko AS, Korchagin VI, Dunaeva EA, Mironov KO, Bakhtina VI, Olkhovik TI, Vasiliev EV, Mikhalev MA. Study of the Janus kinase 2 (JAK2) gene haplotype 46/1 association with driver mutations of chronic Ph-negative myeloproliferative neoplasms. RUSSIAN JOURNAL OF HEMATOLOGY AND TRANSFUSIOLOGY 2022. [DOI: 10.35754/0234-5730-2022-67-3-377-387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Introduction. Haplotype JAK2 46/1 is associated with more frequent development of Ph-negative myeloproliferative neoplasms (MPN) and with an increased detection rate of the JAK2 V617F mutation. At the same time, the molecular mechanisms of such associations remain unclear. Previously, there were no studies of regional, age and gender aspects of the predictive value of carriage of the 46/1 JAK2 haplotype, which could assess this relationship in some observations.Aim — to analyze the degree of association between 46/1 haplotype and the V617F mutation of the JAK2 gene depending on the sex, age, and place of residence of patients examined for suspected MPN.Methods. The study included 949 DNA samples from patients with suspected MPN. Samples of 150 volunteers and blood donors were included in the control group. Haplotype 46/1 (rs10974944), V617F mutation in the JAK2 gene, mutations in the CALR gene (type 1: c.1092_1143del; L367fs*46, COSV57116546; type 2: c.1154_1155insTTGTC; K385fs*47, COSV57116551) and in the MPL gene (W515K, W515L) were determined for all samples using real-time polymerase chain reaction (PCR-RT).Results. The 46/1 JAK2 haplotype were shown to be associated with a clinically significant level (> 2 %) of the allelic burden of the JAK2 V617F mutation. The odds ratio of the risk of developing a V617F positive MPN when carrying this haplotype variant did not depend on the main place of residence of the patients and was found to be most pronounced in men under 50 years of age. The odds ratio of the risk did not depend on the age of the examined women.Conclusion. The association of 46/1 haplotype with the presence of other drivers of MPN mutations in the CALR or MPL genes was also statistically significant, which confirms the hypothesis of “favorable soil” rather than “hypermutability” of the JAK2 gene.
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Affiliation(s)
- I. А. Olkhovskiy
- Krasnoyarsk Branch of the National Medical Research Center for Hematology; Federal Research Center “Krasnoyarsk Science Center” of the Siberian Branch of the Russian Academy of Sciences
| | - M. A. Stolyar
- Krasnoyarsk Branch of the National Medical Research Center for Hematology; Federal Research Center “Krasnoyarsk Science Center” of the Siberian Branch of the Russian Academy of Sciences
| | | | - A. S. Gorbenko
- Krasnoyarsk Branch of the National Medical Research Center for Hematology
| | - V. I. Korchagin
- Central Research Institute for Epidemiology of the Federal Service for Surveillance on Consumer Rights Protection and Human Wellbeing
| | - E. A. Dunaeva
- Central Research Institute for Epidemiology of the Federal Service for Surveillance on Consumer Rights Protection and Human Wellbeing
| | - K. O. Mironov
- Central Research Institute for Epidemiology of the Federal Service for Surveillance on Consumer Rights Protection and Human Wellbeing
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The Contribution of JAK2 46/1 Haplotype in the Predisposition to Myeloproliferative Neoplasms. Int J Mol Sci 2022; 23:ijms232012582. [PMID: 36293440 PMCID: PMC9604447 DOI: 10.3390/ijms232012582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 10/13/2022] [Accepted: 10/15/2022] [Indexed: 11/17/2022] Open
Abstract
Haplotype 46/1 (GGCC) consists of a set of genetic variations distributed along chromosome 9p.24.1, which extend from the Janus Kinase 2 gene to Insulin like 4. Marked by four jointly inherited variants (rs3780367, rs10974944, rs12343867, and rs1159782), this haplotype has a strong association with the development of BCR-ABL1-negative myeloproliferative neoplasms (MPNs) because it precedes the acquisition of the JAK2V617F variant, a common genetic alteration in individuals with these hematological malignancies. It is also described as one of the factors that increases the risk of familial MPNs by more than five times, 46/1 is associated with events related to inflammatory dysregulation, splenomegaly, splanchnic vein thrombosis, Budd–Chiari syndrome, increases in RBC count, platelets, leukocytes, hematocrit, and hemoglobin, which are characteristic of MPNs, as well as other findings that are still being elucidated and which are of great interest for the etiopathological understanding of these hematological neoplasms. Considering these factors, the present review aims to describe the main findings and discussions involving the 46/1 haplotype, and highlights the molecular and immunological aspects and their relevance as a tool for clinical practice and investigation of familial cases.
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Ngoc NT, Hau BB, Vuong NB, Xuan NT. JAK2 rs10974944 is associated with both V617F-positive and negative myeloproliferative neoplasms in a Vietnamese population: A potential genetic marker. Mol Genet Genomic Med 2022; 10:e2044. [PMID: 35996819 PMCID: PMC9544219 DOI: 10.1002/mgg3.2044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Accepted: 08/15/2022] [Indexed: 11/19/2022] Open
Abstract
The JAK2 gene encodes for a non‐receptor tyrosine kinase that plays a key role in the JAK/STAT signaling transfer pathway. Genetic polymorphisms of this gene have been indicated to be associated with myeloproliferative neoplasm‐associated thrombosis in recent studies. This research aimed to evaluate the association between the variant rs10974944 and different types of Myeloproliferative neoplasms disorders in the Vietnamese population. DNA samples were obtained from 172 essential thrombocythemia patients, 14 primary myelofibrosis patients, 76 polycythemia vera patients, and 192 healthy controls. The JAK2 rs10974944 and V617F genotypes were identified by the polymerase chain reaction‐restriction fragment length polymorphism genotyping and Sanger sequencing methods. Results showed that there was a strong association between rs10974944 and Myeloproliferative neoplasms phenotype (p < .0001) and the most significant association was observed in the recessive model of the mutant allele (G). The G allele carriers had a 1.74, 2.86, and 3.03 higher risk of getting essential thrombocythemia, primary myelofibrosis, and polycythemia vera, respectively. Interestingly, this effect of rs10974944 seemed to be independent of the JAK2 V617F genotype. The distribution of rs10974944 genotypes were significantly different between V617F‐positive and negative groups (p = .008). Moreover, the GG genotype of rs10974944 was observed to be associated with the risk of getting Myeloproliferative neoplasms both in JAK2 V617F‐positive group, and for the first time in JAK2 V617F‐negative patients. A systematic meta‐analysis in different populations strengthened the evidence regarding the correlation between rs10974944 and myeloproliferative neoplasm disorders. To sum up, our results suggested that rs10974944 can be used as a predisposition screening marker for predicting Myeloproliferative neoplasms susceptibility.
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Affiliation(s)
- Nguyen Thy Ngoc
- Department of Life Sciences, University of Science and Technology of Hanoi, Vietnam Academy of Science and Technology, Hanoi, Vietnam
| | - Bui Bich Hau
- Department of Life Sciences, University of Science and Technology of Hanoi, Vietnam Academy of Science and Technology, Hanoi, Vietnam
| | - Nguyen Ba Vuong
- 103 Hospital, Vietnam Military Medical University, Hanoi, Vietnam
| | - Nguyen Thi Xuan
- Vietnam Academy of Science and Technology, Institute of Genome Research, Hanoi, Vietnam
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Bellanné-Chantelot C, Rabadan Moraes G, Schmaltz-Panneau B, Marty C, Vainchenker W, Plo I. Germline genetic factors in the pathogenesis of myeloproliferative neoplasms. Blood Rev 2020; 42:100710. [PMID: 32532454 DOI: 10.1016/j.blre.2020.100710] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Revised: 04/08/2020] [Accepted: 05/05/2020] [Indexed: 02/06/2023]
Abstract
Myeloproliferative neoplasms (MPN) are clonal hematological malignancies that lead to overproduction of mature myeloid cells. They are due to acquired mutations in genes encoding for AK2, MPL and CALR that result in the activation of the cytokine receptor/JAK2 signaling pathway. In addition, it exists germline variants that can favor the initiation of the disease or may affect its phenotype. First, they can be common risk alleles, which correspond to frequent single nucleotide variants present in control population and that contribute to the development of either sporadic or familial MPN. Second, some variants predispose to the onset of MPN with a higher penetrance and lead to familial clustering of MPN. Finally, some extremely rare genetic variants can induce MPN-like hereditary disease. We will review these different subtypes of germline genetic variants and discuss how they impact the initiation and/or development of the MPN disease.
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Affiliation(s)
- Christine Bellanné-Chantelot
- Department of Genetics, Assistance Publique-Hôpitaux de Paris (APHP), Hôpitaux Universitaires Pitié Salpêtrière-Charles Foix, Sorbonne Université, Paris, France; INSERM, UMR1287, Laboratory of Excellence GR-Ex, Villejuif, France
| | - Graciela Rabadan Moraes
- INSERM, UMR1287, Laboratory of Excellence GR-Ex, Villejuif, France; Université Paris Diderot (Paris 7), UMR1287, Gustave Roussy, Villejuif, France; Gustave Roussy, Villejuif, France
| | - Barbara Schmaltz-Panneau
- INSERM, UMR1287, Laboratory of Excellence GR-Ex, Villejuif, France; Gustave Roussy, Villejuif, France; Université Paris XI, UMR1287, Gustave Roussy, Villejuif, France
| | - Caroline Marty
- INSERM, UMR1287, Laboratory of Excellence GR-Ex, Villejuif, France; Gustave Roussy, Villejuif, France; Université Paris XI, UMR1287, Gustave Roussy, Villejuif, France
| | - William Vainchenker
- INSERM, UMR1287, Laboratory of Excellence GR-Ex, Villejuif, France; Gustave Roussy, Villejuif, France; Université Paris XI, UMR1287, Gustave Roussy, Villejuif, France
| | - Isabelle Plo
- INSERM, UMR1287, Laboratory of Excellence GR-Ex, Villejuif, France; Gustave Roussy, Villejuif, France; Université Paris XI, UMR1287, Gustave Roussy, Villejuif, France.
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Anelli L, Zagaria A, Specchia G, Albano F. The JAK2 GGCC (46/1) Haplotype in Myeloproliferative Neoplasms: Causal or Random? Int J Mol Sci 2018; 19:ijms19041152. [PMID: 29641446 PMCID: PMC5979434 DOI: 10.3390/ijms19041152] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Revised: 04/05/2018] [Accepted: 04/09/2018] [Indexed: 12/11/2022] Open
Abstract
The germline JAK2 haplotype known as “GGCC or 46/1 haplotype” (haplotypeGGCC_46/1) consists of a combination of single nucleotide polymorphisms (SNPs) mapping in a region of about 250 kb, extending from the JAK2 intron 10 to the Insulin-like 4 (INLS4) gene. Four main SNPs (rs3780367, rs10974944, rs12343867, and rs1159782) generating a “GGCC” combination are more frequently indicated to represent the JAK2 haplotype. These SNPs are inherited together and are frequently associated with the onset of myeloproliferative neoplasms (MPN) positive for both JAK2 V617 and exon 12 mutations. The association between the JAK2 haplotypeGGCC_46/1 and mutations in other genes, such as thrombopoietin receptor (MPL) and calreticulin (CALR), or the association with triple negative MPN, is still controversial. This review provides an overview of the frequency and the role of the JAK2 haplotypeGGCC_46/1 in the pathogenesis of different myeloid neoplasms and describes the hypothetical mechanisms at the basis of the association with JAK2 gene mutations. Moreover, possible clinical implications are discussed, as different papers reported contrasting data about the correlation between the JAK2 haplotypeGGCC_46/1 and blood cell count, survival, or disease progression.
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Affiliation(s)
- Luisa Anelli
- Department of Emergency and Organ Transplantation (D.E.T.O.), Hematology Section, University of Bari, 70124 Bari, Italy.
| | - Antonella Zagaria
- Department of Emergency and Organ Transplantation (D.E.T.O.), Hematology Section, University of Bari, 70124 Bari, Italy.
| | - Giorgina Specchia
- Department of Emergency and Organ Transplantation (D.E.T.O.), Hematology Section, University of Bari, 70124 Bari, Italy.
| | - Francesco Albano
- Department of Emergency and Organ Transplantation (D.E.T.O.), Hematology Section, University of Bari, 70124 Bari, Italy.
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Mosca M, Vertenoeil G, Toppaldoddi KR, Plo I, Vainchenker W. [Not Available]. Bull Cancer 2016; 103:S16-28. [PMID: 27494969 DOI: 10.1016/s0007-4551(16)30142-4] [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: 10/21/2022]
Abstract
BIOLOGICAL ASPECTS OF JAK/STAT SIGNALING IN BCR-ABL-NEGATIVE MYELOPROLIFERATIVE NEOPLASMS: Myeloproliferative disorders more recently named Myeloproliferative neoplasms (MPN) display several clinical entities: chronic myeloid leukemia (CML), the classical MPN including polycythemia vera (PV), essential thrombocythemia (ET), primary myelofibrosis (PMF) and atypical and unclassifiable NMP. The term MPN is mostly used for classical BCR-ABL-negative (myeloproliferative disorder) (ET, PV, PMF). These are clonal diseases resulting from the transformation of an hematopoietic stem cell and leading to an abnormal production of myeloid cells. The genetic defects responsible for the myeloproliferative abnormalities are called « driver » mutations and all result in deregulation of the cytokine receptor / JAK2 / STAT axis. Among them, JAK2, the thrombopoietin receptor (MPL) and calreticulin (CALR) mutations are found in around 90% of the cases. These driver MPN mutations can be associated with other driver mutations also found in other hematological malignancies, especially in PMFs. These are chronic diseases with major risks being thrombosis, hemorrhage and cytopenias for PMF and the long-term progression to myelofibrosis and the transformation to leukemia. Most recent therapeutic have focused on targeting the JAK2 signaling pathway directly by inhibitors of JAK2 or indirectly. Interferon a allows in some cases hematologic and molecular remission patients.
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Affiliation(s)
- Matthieu Mosca
- Inserm UMR 1170, Gustave Roussy, Villejuif, 94805, France; Université Paris-Saclay, UMR 1170, Gustave Roussy, Villejuif, 94805, France; Gustave Roussy, UMR 1170, Villejuif, 94805, France
| | - Gaëlle Vertenoeil
- Signal Transduction & Molecular Hematology Unit, Ludwig Institute for Cancer Research, Brussels B-1200, Belgium; De Duve Institute, Université catholique de Louvain, Brussels B-1200, Belgium
| | - Katte Rao Toppaldoddi
- Inserm UMR 1170, Gustave Roussy, Villejuif, 94805, France; Université Paris-Saclay, UMR 1170, Gustave Roussy, Villejuif, 94805, France; Gustave Roussy, UMR 1170, Villejuif, 94805, France
| | - Isabelle Plo
- Inserm UMR 1170, Gustave Roussy, Villejuif, 94805, France; Université Paris-Saclay, UMR 1170, Gustave Roussy, Villejuif, 94805, France; Gustave Roussy, UMR 1170, Villejuif, 94805, France
| | - William Vainchenker
- Inserm UMR 1170, Gustave Roussy, Villejuif, 94805, France; Université Paris-Saclay, UMR 1170, Gustave Roussy, Villejuif, 94805, France; Gustave Roussy, UMR 1170, Villejuif, 94805, France.
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Vainchenker W, Constantinescu SN, Plo I. Recent advances in understanding myelofibrosis and essential thrombocythemia. F1000Res 2016; 5. [PMID: 27134742 PMCID: PMC4841197 DOI: 10.12688/f1000research.8081.1] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/13/2016] [Indexed: 01/01/2023] Open
Abstract
The classic
BCR-ABL-negative myeloproliferative neoplasms (MPNs), a form of chronic malignant hemopathies, have been classified into polycythemia vera (PV), essential thrombocythemia (ET), and primary myelofibrosis (PMF). ET and PMF are two similar disorders in their pathogenesis, which is marked by a key role of the megakaryocyte (MK) lineage. Whereas ET is characterized by MK proliferation, PMF is also associated with aberrant MK differentiation (myelodysplasia), leading to the release of cytokines in the marrow environment, which causes the development of myelofibrosis. Thus, PMF is associated with both myeloproliferation and different levels of myelodysplastic features. MPNs are mostly driven by mutated genes called MPN drivers, which abnormally activate the cytokine receptor/JAK2 pathway and their downstream effectors. The recent discovery of
CALR mutations has closed a gap in our knowledge and has shown that this mutated endoplasmic reticulum chaperone activates the thrombopoietin receptor MPL and JAK2. These genetic studies have shown that there are two main types of MPNs: JAK2V617F-MPNs, including ET, PV, and PMF, and the MPL-/CALR-MPNs, which include only ET and PMF. These MPN driver mutations are associated with additional mutations in genes involved in epigenetics, splicing, and signaling, which can precede or follow the acquisition of MPN driver mutations. They are involved in clonal expansion or phenotypic changes or both, leading to myelofibrosis or leukemic transformation or both. Only a few patients with ET exhibit mutations in non-MPN drivers, whereas the great majority of patients with PMF harbor one or several mutations in these genes. However, the entire pathogenesis of ET and PMF may also depend on other factors, such as the patient’s constitutional genetics, the bone marrow microenvironment, the inflammatory response, and age. Recent advances allowed a better stratification of these diseases and new therapeutic approaches with the development of JAK2 inhibitors.
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Affiliation(s)
- William Vainchenker
- Gustave Roussy, Paris, France; Universite Paris-Saclay, Gustave Roussy, Paris, France
| | - Stefan N Constantinescu
- Signal Transduction & Molecular Hematology Unit, Ludwig Institute for Cancer Research, Brussels, Belgium; de Duve Institute, Université catholique de Louvain, Brussels, Belgium
| | - Isabelle Plo
- Gustave Roussy, Paris, France; Universite Paris-Saclay, Gustave Roussy, Paris, France
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Torregrosa JM, Ferrer-Marín F, Lozano ML, Moreno MJ, Martinez C, Anton AI, Rivera J, Vicente V. Impaired leucocyte activation is underlining the lower thrombotic risk of essential thrombocythaemia patients with CALR mutations as compared with those with the JAK2 mutation. Br J Haematol 2015; 172:813-5. [PMID: 26132594 DOI: 10.1111/bjh.13539] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jose M Torregrosa
- Servicio de Hematología y Oncología Médica, Hospital Universitario Morales Meseguer, Centro Regional de Hemodonación, Universidad de Murcia, IMIB-Arrixaca, Murcia, Spain
| | - Francisca Ferrer-Marín
- Servicio de Hematología y Oncología Médica, Hospital Universitario Morales Meseguer, Centro Regional de Hemodonación, Universidad de Murcia, IMIB-Arrixaca, Murcia, Spain.
| | - María L Lozano
- Servicio de Hematología y Oncología Médica, Hospital Universitario Morales Meseguer, Centro Regional de Hemodonación, Universidad de Murcia, IMIB-Arrixaca, Murcia, Spain
| | - Maria J Moreno
- Servicio de Hematología y Oncología Médica, Hospital Universitario Morales Meseguer, Centro Regional de Hemodonación, Universidad de Murcia, IMIB-Arrixaca, Murcia, Spain
| | - Constantino Martinez
- Servicio de Hematología y Oncología Médica, Hospital Universitario Morales Meseguer, Centro Regional de Hemodonación, Universidad de Murcia, IMIB-Arrixaca, Murcia, Spain
| | - Ana I Anton
- Servicio de Hematología y Oncología Médica, Hospital Universitario Morales Meseguer, Centro Regional de Hemodonación, Universidad de Murcia, IMIB-Arrixaca, Murcia, Spain
| | - José Rivera
- Servicio de Hematología y Oncología Médica, Hospital Universitario Morales Meseguer, Centro Regional de Hemodonación, Universidad de Murcia, IMIB-Arrixaca, Murcia, Spain
| | - Vicente Vicente
- Servicio de Hematología y Oncología Médica, Hospital Universitario Morales Meseguer, Centro Regional de Hemodonación, Universidad de Murcia, IMIB-Arrixaca, Murcia, Spain
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