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Wu S, Luo P, Rouzi T, Yu Y, Xiong B, Wang Y, Zuo X. The Combination of JAK2V617F Allele Burden and WT1 Expression can Be Helpful in Distinguishing the Subtype of MPN Patients. Cancer Control 2023; 30:10732748231163648. [PMID: 36895113 PMCID: PMC10009047 DOI: 10.1177/10732748231163648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/11/2023] Open
Abstract
INTRODUCTION Classical Philadelphia-negative myeloproliferative neoplasm (MPN) includes Essential Thrombocythemia (ET), Polycythemia Vera (PV) and Primary Myelofibrosis (PMF). The JAK2V617F mutation is part of the major criteria for diagnosis of MPN. WT1 is reported to be highly overexpressed in most hematological malignancy. Our aim was to explore the combination value of JAK2V617F allele burden and WT1 expression in distinguishing the subtype of MPN patients. METHODS Allele specific real-time quantitative fluorescence PCR (AS-qPCR) was conducted to detect JAK2V617F allele burden. WT1 expression was assessed by RQ-PCR. Our study is a retrospective study. RESULTS JAK2V617F allele burden and WT1 expression were different in MPN subgroups. The expression of WT1 in PMF and PV is higher than in ET. JAK2V617F allele burden in PMF and PV is also higher than in ET. ROC analysis indicated that combination of JAK2V617F allele burden and WT1 expression to discriminate ET and PV, ET and PMF, PV and PMF is 0.956, 0.871, 0.737 respectively. Furthermore, their ability to distinguish ET patients with high Hb levels from PV patients with high platelet counts is 0.891. CONCLUSIONS Our data revealed that combination of JAK2V617F allele burden and WT1 expression is useful in distinguishing the subtype of MPN patients.
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Affiliation(s)
- Sanyun Wu
- Department of Hematology, 89674Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Ping Luo
- Department of Hematology, 89674Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Tuerxunayi Rouzi
- Department of Hematology, 89674Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Yalan Yu
- Department of Hematology, 89674Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Bei Xiong
- Department of Hematology, 89674Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Yingying Wang
- Department of Immunology, College of Basic Medicine, 12550Chongqing Medical University, Chongqing, China
| | - Xuelan Zuo
- Department of Hematology, 89674Zhongnan Hospital of Wuhan University, Wuhan, China
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Zulkeflee RH, Zulkafli Z, Johan MF, Husin A, Islam MA, Hassan R. Clinical and Laboratory Features of JAK2 V617F, CALR, and MPL Mutations in Malaysian Patients with Classical Myeloproliferative Neoplasm (MPN). INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:7582. [PMID: 34300032 PMCID: PMC8307561 DOI: 10.3390/ijerph18147582] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 07/11/2021] [Accepted: 07/14/2021] [Indexed: 11/16/2022]
Abstract
Mutations of JAK2V617F, CALR, and MPL genes confirm the diagnosis of myeloproliferative neoplasm (MPN). This study aims to determine the genetic profile of JAK2V617F, CALR exon 9 Type 1 (52 bp deletion) and Type 2 (5 bp insertion), and MPL W515 L/K genes among Malaysian patients and correlate these mutations with clinical and hematologic parameters in MPN. Mutations of JAK2V617F, CALR, and MPL were analyzed in 159 Malaysian patients using allele-specific polymerase chain reaction, including 76 polycythemia vera (PV), 41 essential thrombocythemia (ET), and 42 primary myelofibrosis (PMF) mutations, and the demographics of the patients were retrieved. The result showed that 73.6% JAK2V617F, 5.66% CALR, and 27.7% were triple-negative mutations. No MPL W515L/K mutation was detected. In ET and PMF, the predominance type was the CALR Type 1 mutation. In JAK2V617F mutant patients, serum LDH was significantly higher in PMF compared to PV and ET. PV has a higher risk of evolving to post PV myelofibrosis compared to ET. A thrombotic event at initial diagnosis of 40.9% was high compared to global incidence. Only one PMF patient had a CALR mutation that transformed to acute myeloid leukemia. JAK2V617F and CALR mutations play an important role in diagnostics. Hence, every patient suspected of having a myeloproliferative neoplasm should be screened for these mutations.
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Affiliation(s)
- Razan Hayati Zulkeflee
- Department of Haematology, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian 16150, Malaysia; (R.H.Z.); (M.F.J.); (M.A.I.)
- Hospital Universiti Sains Malaysia, Kubang Kerian 16150, Malaysia;
| | - Zefarina Zulkafli
- Department of Haematology, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian 16150, Malaysia; (R.H.Z.); (M.F.J.); (M.A.I.)
- Hospital Universiti Sains Malaysia, Kubang Kerian 16150, Malaysia;
| | - Muhammad Farid Johan
- Department of Haematology, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian 16150, Malaysia; (R.H.Z.); (M.F.J.); (M.A.I.)
| | - Azlan Husin
- Hospital Universiti Sains Malaysia, Kubang Kerian 16150, Malaysia;
- Department of Internal Medicine, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian 16150, Malaysia
| | - Md Asiful Islam
- Department of Haematology, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian 16150, Malaysia; (R.H.Z.); (M.F.J.); (M.A.I.)
| | - Rosline Hassan
- Department of Haematology, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian 16150, Malaysia; (R.H.Z.); (M.F.J.); (M.A.I.)
- Hospital Universiti Sains Malaysia, Kubang Kerian 16150, Malaysia;
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Chadi S, Dhaouadi T, Sfar I, Baccouche H, Nabli R, Ben Romdhane N, Ben Abdallah T, Gorgi Y. Analysis of JAK2 V617F mutation in Tunisian patients with myeloproliferative neoplasms. EUR J INFLAMM 2021. [DOI: 10.1177/20587392211006538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
We aimed to investigate the prevalence of the JAK2 V617F mutation in Tunisian patients with myeloproliferative neoplasms (MPN) and to look for possible associations with diseases’ presentation. In this context, JAK2 V617F polymorphism was detected by PCR-RFLP and direct sequencing in 213 MPN patients (109 with polycythemia vera (PV), 93 with essential thrombocythemia (ET) and 11 with primary myelofibrosis (PMF)), 77 unclassified patients with thrombosis (UPT) and 95 healthy control subjects. The JAK2 V617F mutant allele was present by either PCR-RFLP or direct sequencing in 158 (74.17%) MPN patients while all UPT and controls were negative. Besides, the JAK2 V617F mutation was significantly more frequent in patients with PV 98 (89.9%) than in ET 54 (58.1%) and PMF 6 (54.5%) groups, p < 0.001. Analytic results in MPN patients showed significant associations between the JAK2 SNP and both hemoglobin levels (16.29 ± 3 vs 13.01 ± 3.65) and hematocrit (52.99 ± 8.34 vs 45.37 ± 10.94), p < 0.001 and p < 0.001, respectively. In addition, in the ET subgroup thrombosis was significantly more frequent in patients carrying the V617F mutation (16, (29.6%) vs 3, (7.7%)), p = 0.01. In ET patients, the V617F mutation seems to be predictive of thrombosis occurrence.
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Affiliation(s)
- Soumaya Chadi
- Research Laboratory in Immunology of Renal Transplantation and Immunopathology (LR03SP01), Charles Nicolle Hospital, Tunis El Manar University, Tunis, Tunisia
| | - Tarak Dhaouadi
- Research Laboratory in Immunology of Renal Transplantation and Immunopathology (LR03SP01), Charles Nicolle Hospital, Tunis El Manar University, Tunis, Tunisia
| | - Imen Sfar
- Research Laboratory in Immunology of Renal Transplantation and Immunopathology (LR03SP01), Charles Nicolle Hospital, Tunis El Manar University, Tunis, Tunisia
| | - Hela Baccouche
- Hematology Department, La Rabta Hospital, Tunis, Tunisia
| | - Rym Nabli
- Research Laboratory in Immunology of Renal Transplantation and Immunopathology (LR03SP01), Charles Nicolle Hospital, Tunis El Manar University, Tunis, Tunisia
| | | | - Taïeb Ben Abdallah
- Research Laboratory in Immunology of Renal Transplantation and Immunopathology (LR03SP01), Charles Nicolle Hospital, Tunis El Manar University, Tunis, Tunisia
| | - Yousr Gorgi
- Research Laboratory in Immunology of Renal Transplantation and Immunopathology (LR03SP01), Charles Nicolle Hospital, Tunis El Manar University, Tunis, Tunisia
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Eldeweny S, Ibrahim H, Elsayed G, Samra M. MPL W515 L/K mutations in myeloproliferative neoplasms. EGYPTIAN JOURNAL OF MEDICAL HUMAN GENETICS 2019. [DOI: 10.1186/s43042-019-0039-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Myeloproliferative neoplasms (MPNs) describe a group of diseases involving the bone marrow (BM). Classical MPNs are classified into chronic myelogenous leukemia (CML), polycythemia vera (PV), essential thrombocythemia (ET), and primary myelofibrosis (PMF). This classification is based on the presence of Philadelphia (Ph) chromosome (BCR/ABL1). CML is BCR/ABL1-positive while PV, ET, and PMF are negative. JAK2 p. Val617Phe pathological variant is the most associated mutation in BCR/ABL1-negative MPNs. The frequency of JAK2 p. Val617Phe is 90–95% in PV patients, 50–60% in ET, and 40–50% in patients with PMF. Studies on MPL gene led to the revelation of a gain of function pathological variants in JAK2 p. Val617Phe-negative myeloproliferative neoplasms (MPNs). MPL p. W515 L/K pathological variants are the most common across all mutations in MPL gene. The prevalence of these pathological variants over the Egyptian population is not clear enough. In the present study, we aimed to investigate the prevalence of MPL p. W515 L/K pathological variants in the Philadelphia (Ph)-negative MPNs over the Egyptian population.
Results
We have tested 60 patients with Ph-negative MPNs for MPL p. W515 L/K pathological variants. Median age was 51 (22–73) years. No MPL p. W515 L/K pathological variants were detected among our patients. JAK2 p. Val617Phe in PV and PMF patients showed significantly lower frequency than other studies. Splenomegaly was significantly higher in ET patients compared to other studies.
Conclusion
MPL p. W515 L/K pathological variants are rare across the Egyptian Ph-negative MPNs, and further studies on a large number are recommended. MPN patients in Egypt are younger compared to different ethnic groups.
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Poluben L, Puligandla M, Neuberg D, Bryke CR, Hsu Y, Shumeiko O, Yuan X, Voznesensky O, Pihan G, Adam M, Fraenkel E, Rasnic R, Linial M, Klymenko S, Balk SP, Fraenkel PG. Characteristics of myeloproliferative neoplasms in patients exposed to ionizing radiation following the Chernobyl nuclear accident. Am J Hematol 2019; 94:62-73. [PMID: 30295334 DOI: 10.1002/ajh.25307] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Revised: 09/28/2018] [Accepted: 10/02/2018] [Indexed: 12/20/2022]
Abstract
Myeloproliferative neoplasms (MPNs) driver mutations are usually found in JAK2, MPL, and CALR genes; however, 10%-15% of cases are triple negative (TN). A previous study showed lower rate of JAK2 V617F in primary myelofibrosis patients exposed to low doses of ionizing radiation (IR) from Chernobyl accident. To examine distinct driver mutations, we enrolled 281 Ukrainian IR-exposed and unexposed MPN patients. Genomic DNA was obtained from peripheral blood leukocytes. JAK2 V617F, MPL W515, types 1- and 2-like CALR mutations were identified by Sanger Sequencing and real time polymerase chain reaction. Chromosomal alterations were assessed by oligo-SNP microarray platform. Additional genetic variants were identified by whole exome and targeted sequencing. Statistical significance was evaluated by Fisher's exact test and Wilcoxon's rank sum test (R, version 3.4.2). IR-exposed MPN patients exhibited a different genetic profile vs unexposed: lower rate of JAK2 V617F (58.4% vs 75.4%, P = .0077), higher rate of type 1-like CALR mutation (12.2% vs 3.1%, P = .0056), higher rate of TN cases (27.8% vs 16.2%, P = .0366), higher rate of potentially pathogenic sequence variants (mean numbers: 4.8 vs 3.1, P = .0242). Furthermore, we identified several potential drivers specific to IR-exposed TN MPN patients: ATM p.S1691R with copy-neutral loss of heterozygosity at 11q; EZH2 p.D659G at 7q and SUZ12 p.V71 M at 17q with copy number loss. Thus, IR-exposed MPN patients represent a group with distinct genomic characteristics worthy of further study.
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Affiliation(s)
- Larysa Poluben
- Division of Hematology/Oncology Cancer Research Institute, Beth Israel Deaconess Medical Center Boston Massachusetts
- National Research Center for Radiation Medicine Kyiv Ukraine
| | | | - Donna Neuberg
- Dana‐Farber/Harvard Cancer Center Boston Massachusetts
| | - Christine R. Bryke
- Division of Clinical Pathology Beth Israel Deaconess Medical Center Boston Massachusetts
| | - Yahsuan Hsu
- Division of Clinical Pathology Beth Israel Deaconess Medical Center Boston Massachusetts
| | | | - Xin Yuan
- Division of Hematology/Oncology Cancer Research Institute, Beth Israel Deaconess Medical Center Boston Massachusetts
| | - Olga Voznesensky
- Division of Hematology/Oncology Cancer Research Institute, Beth Israel Deaconess Medical Center Boston Massachusetts
| | - German Pihan
- Division of Clinical Pathology Beth Israel Deaconess Medical Center Boston Massachusetts
| | - Miriam Adam
- Department of Biological Engineering Massachusetts Institute of Technology Cambridge Massachusetts
| | - Ernest Fraenkel
- Department of Biological Engineering Massachusetts Institute of Technology Cambridge Massachusetts
| | - Roni Rasnic
- School of Computer Science and Engineering & Department of Biological Chemistry Hebrew University Jerusalem Israel
| | - Michal Linial
- School of Computer Science and Engineering & Department of Biological Chemistry Hebrew University Jerusalem Israel
| | - Sergiy Klymenko
- National Research Center for Radiation Medicine Kyiv Ukraine
| | - Steven P. Balk
- Division of Hematology/Oncology Cancer Research Institute, Beth Israel Deaconess Medical Center Boston Massachusetts
| | - Paula G. Fraenkel
- Division of Hematology/Oncology Cancer Research Institute, Beth Israel Deaconess Medical Center Boston Massachusetts
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Shumeiko OO, Poluben LO, Klimuk BT, Rybchenko LA, Neumerzhitskaya LV, Verbilenko RM, Frolov SV, Klymenko SV. EVALUATION OF BURDENSOME SYMPTOMS IN PATIENTS WITH RADIATION6ASSOCIATED AND SPONTANEOUS MYELOPROILIFERATIVE NEOPLASMS WITH THE USE OF OPTIMIZED SELF-ASSESSMENT MPN-SAF TSS. PROBLEMY RADIAT︠S︡IĬNOÏ MEDYT︠S︡YNY TA RADIOBIOLOHIÏ 2018; 23:510-516. [PMID: 30582868 DOI: 10.33145/2304-8336-2018-23-510-516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Indexed: 11/10/2022]
Abstract
OBJECTIVE To investigate the intensity of burdensome symptoms using self-assessment MPN-SAF TSS in patientswith radiation-associated and spontaneous myeloproiliferative neoplasms (MPNs). MATERIALS AND METHODS The study included 89 patients with radiation-associated and spontaneous MPNs, the bur-densome symptoms of MPN were determined using MPN-SAF TSS. RESULTS The average score for complaints in patients with radiation-associated MPNs was significantly higher thanin patients with spontaneous MPNs - 43.46 and 25.04 points, respectively (p = 0.003). MPN patients classified bysubtypes also showed differences regarding intensity of burdensome MPN symptoms, demonstrating significantlyhigher average score of complaints among primary myelofibrosis patients (35.60), compared to polycythemia vera(29.60) and essential thrombocythemia (18.05) patients, (p = 0.005). Our study did not reveal any influence of theJAK2 V617F mutation on MPN burdensome symptoms intensity in MPN patients. CONCLUSIONS We demonstrated a higher intensity of the MPN burdensome symptoms determined by the optimizedself-assessment MPN-SAF TSS in patients with radiation-associated, and in primary myelofibrosis patients, indicat-ing increased severity of patient's general conditions at the stage of diagnosis verification. It is advisable to usethe optimized MPN-SAF TSS at the moment of molecular genetic testing during the diagnosis of MPN for selectionor modifying treatment strategies in order to achieve better quality of life for patients.
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Affiliation(s)
- O O Shumeiko
- State Institution «National Research Center for Radiation Medicine of the National Academy of Medical Sciences of Ukraine», 53 Melnykova str., Kyiv, 04050, UkraineBogomolets National Medical University, 13, Tarasa Shevchenko Blvd, Kyiv, 01601, Ukraine
| | - L O Poluben
- State Institution «National Research Center for Radiation Medicine of the National Academy of Medical Sciences of Ukraine», 53 Melnykova str., Kyiv, 04050, Ukraine
| | - B T Klimuk
- State Institution «National Research Center for Radiation Medicine of the National Academy of Medical Sciences of Ukraine», 53 Melnykova str., Kyiv, 04050, Ukraine
| | - L A Rybchenko
- State Institution «National Research Center for Radiation Medicine of the National Academy of Medical Sciences of Ukraine», 53 Melnykova str., Kyiv, 04050, Ukraine
| | - L V Neumerzhitskaya
- State Institution «National Research Center for Radiation Medicine of the National Academy of Medical Sciences of Ukraine», 53 Melnykova str., Kyiv, 04050, Ukraine
| | - R M Verbilenko
- State Institution «National Research Center for Radiation Medicine of the National Academy of Medical Sciences of Ukraine», 53 Melnykova str., Kyiv, 04050, Ukraine
| | - S V Frolov
- Bogomolets National Medical University, 13, Tarasa Shevchenko Blvd, Kyiv, 01601, Ukraine
| | - S V Klymenko
- State Institution «National Research Center for Radiation Medicine of the National Academy of Medical Sciences of Ukraine», 53 Melnykova str., Kyiv, 04050, UkraineBogomolets National Medical University, 13, Tarasa Shevchenko Blvd, Kyiv, 01601, Ukraine
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Azevedo AP, Silva SN, Reichert A, Lima F, Júnior E, Rueff J. Effects of polymorphic DNA genes involved in BER and caspase pathways on the clinical outcome of myeloproliferative neoplasms under treatment with hydroxyurea. Mol Med Rep 2018; 18:5243-5255. [PMID: 30320340 DOI: 10.3892/mmr.2018.9535] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2017] [Accepted: 06/01/2018] [Indexed: 11/06/2022] Open
Abstract
Several single nucleotide polymorphisms (SNPs) influencing DNA repair capacity and apoptotic status may confer genetic predisposition to Philadelphia‑chromosome negative myeloproliferative neoplasms (PN‑MPNs), and influence therapeutic response and the clinical course. In the present study, whether SNPs in genes involved in apoptosis and the base excision repair (BER) pathway was evaluated. In addition, some known risk factors in PN‑MPNs that may influence survival and therapeutic response to hydroxyurea (HU) were analyzed, taking into account three items: Disease progression, predisposition to new non‑myeloid neoplasms and thrombotic events. The present study involved a total of 133 Caucasian Portuguese PN‑MPNs patients treated with HU, whereby 17 cases showed progression to myelofibrosis/leukemia, 11 developed new non‑myeloid neoplasms and 22 presented with thrombotic events. Progression to secondary myelofibrosis/leukemia is influenced by exposure to cytoreductive agents, and caspase and BER polymorphisms {globally, CASP8 3'untranslated region [odds ratio (OR)=0.24; 95% confidence interval (CI), 0.08‑0.69], XRCC1 Arg194Trp [OR=3.58; 95% CI, 0.98‑13.01]; for essential thrombocythemia patients CASP9 Arg173His [OR=11.27; 95% CI, 1.13‑112.28], APEX1 Asp148Glu [OR=0.28; 95% CI, 0.74‑1.03], and XRCC1 Arg194Trp [OR=6.60; 95% CI, 1.60‑27.06]}. Moreover, globally caspase and BER polymorphisms influenced the development of new nonmyeloid malignancies [CASP8 Asp270His (OR=5.90; 95% CI, 1.42‑24.62) and XRCC1 Arg399Gln (OR=0.27; 95% CI, 0.07‑1.03)]. On the other hand, only the BER pathway had a role in the presence of thrombotic events [XRCC1 Gln399Arg (OR=0.35; 95% CI, 0.14‑0.88)]. JAK2 mutation had no influence on these complications. Larger studies are required to confirm these results, and to provide conclusive evidence of association between these and other variants with PN‑MPNs therapeutic response and clinical evolution. However, this study may allow the development of drugs more directly targeted to the pathophysiology of the disease, with high efficacy, fewer adverse effects, contributing to compliance of patients with treatments. The clinical indication for classical drugs, including HU, may be guided by variant genes, which may provide additional beneficial effects.
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Affiliation(s)
- Ana P Azevedo
- Centre for Toxicogenomics and Human Health (Toxomics), Genetics, Oncology and Human Toxicology, NOVA Medical School/Faculty of Medical Sciences, Universidade Nova de Lisboa, 1150‑082 Lisbon, Portugal
| | - Susana N Silva
- Centre for Toxicogenomics and Human Health (Toxomics), Genetics, Oncology and Human Toxicology, NOVA Medical School/Faculty of Medical Sciences, Universidade Nova de Lisboa, 1150‑082 Lisbon, Portugal
| | - Alice Reichert
- Department of Clinical Haematology, Hospital of São Francisco Xavier, West Lisbon Hospital Centre, 1449‑005 Lisbon, Portugal
| | - Fernando Lima
- Department of Clinical Haematology, Hospital of São Francisco Xavier, West Lisbon Hospital Centre, 1449‑005 Lisbon, Portugal
| | - Esmeraldina Júnior
- Department of Clinical Pathology, Hospital of São Francisco Xavier, West Lisbon Hospital Centre, 1449‑005 Lisbon, Portugal
| | - José Rueff
- Centre for Toxicogenomics and Human Health (Toxomics), Genetics, Oncology and Human Toxicology, NOVA Medical School/Faculty of Medical Sciences, Universidade Nova de Lisboa, 1150‑082 Lisbon, Portugal
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