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Marx A, Osváth M, Szikora B, Pipek O, Csabai I, Nagy Á, Bödör C, Matula Z, Nagy G, Bors A, Uher F, Mikala G, Vályi-Nagy I, Kacskovics I. Liquid biopsy-based monitoring of residual disease in multiple myeloma by analysis of the rearranged immunoglobulin genes-A feasibility study. PLoS One 2023; 18:e0285696. [PMID: 37235573 DOI: 10.1371/journal.pone.0285696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 04/28/2023] [Indexed: 05/28/2023] Open
Abstract
The need for sensitive monitoring of minimal/measurable residual disease (MRD) in multiple myeloma emerged as novel therapies led to deeper responses. Moreover, the potential benefits of blood-based analyses, the so-called liquid biopsy is prompting more and more studies to assess its feasibility. Considering these recent demands, we aimed to optimize a highly sensitive molecular system based on the rearranged immunoglobulin (Ig) genes to monitor MRD from peripheral blood. We analyzed a small group of myeloma patients with the high-risk t(4;14) translocation, using next-generation sequencing of Ig genes and droplet digital PCR of patient-specific Ig heavy chain (IgH) sequences. Moreover, well established monitoring methods such as multiparametric flow cytometry and RT-qPCR of the fusion transcript IgH::MMSET (IgH and multiple myeloma SET domain-containing protein) were utilized to evaluate the feasibility of these novel molecular tools. Serum measurements of M-protein and free light chains together with the clinical assessment by the treating physician served as routine clinical data. We found significant correlation between our molecular data and clinical parameters, using Spearman correlations. While the comparisons of the Ig-based methods and the other monitoring methods (flow cytometry, qPCR) were not statistically evaluable, we found common trends in their target detection. Regarding longitudinal disease monitoring, the applied methods yielded complementary information thus increasing the reliability of MRD evaluation. We also detected indications of early relapse before clinical signs, although this implication needs further verification in a larger patient cohort.
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Affiliation(s)
- Anita Marx
- Department of Immunology, Institute of Biology, ELTE Eötvös Loránd University, Budapest, Hungary
- Doctoral School of Biology, ELTE Eötvös Loránd University, Budapest, Hungary
| | - Magdolna Osváth
- Department of Immunology, Institute of Biology, ELTE Eötvös Loránd University, Budapest, Hungary
- Doctoral School of Biology, ELTE Eötvös Loránd University, Budapest, Hungary
| | - Bence Szikora
- Department of Immunology, Institute of Biology, ELTE Eötvös Loránd University, Budapest, Hungary
| | - Orsolya Pipek
- Department of Physics of Complex Systems, ELTE Eötvös Loránd University, Budapest, Hungary
| | - István Csabai
- Department of Physics of Complex Systems, ELTE Eötvös Loránd University, Budapest, Hungary
| | - Ákos Nagy
- Department of Pathology and Experimental Cancer Research, HCEMM-SE Molecular Oncohematology Research Group, Semmelweis University, Budapest, Hungary
| | - Csaba Bödör
- Department of Pathology and Experimental Cancer Research, HCEMM-SE Molecular Oncohematology Research Group, Semmelweis University, Budapest, Hungary
| | - Zsolt Matula
- National Institute of Hematology and Infectious Diseases, Central Hospital of Southern Pest, Budapest, Hungary
| | - Ginette Nagy
- National Institute of Hematology and Infectious Diseases, Central Hospital of Southern Pest, Budapest, Hungary
| | - András Bors
- National Institute of Hematology and Infectious Diseases, Central Hospital of Southern Pest, Budapest, Hungary
| | - Ferenc Uher
- National Institute of Hematology and Infectious Diseases, Central Hospital of Southern Pest, Budapest, Hungary
| | - Gábor Mikala
- National Institute of Hematology and Infectious Diseases, Central Hospital of Southern Pest, Budapest, Hungary
| | - István Vályi-Nagy
- National Institute of Hematology and Infectious Diseases, Central Hospital of Southern Pest, Budapest, Hungary
| | - Imre Kacskovics
- Department of Immunology, Institute of Biology, ELTE Eötvös Loránd University, Budapest, Hungary
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Allegra A, Cancemi G, Mirabile G, Tonacci A, Musolino C, Gangemi S. Circulating Tumour Cells, Cell Free DNA and Tumour-Educated Platelets as Reliable Prognostic and Management Biomarkers for the Liquid Biopsy in Multiple Myeloma. Cancers (Basel) 2022; 14:cancers14174136. [PMID: 36077672 PMCID: PMC9454477 DOI: 10.3390/cancers14174136] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 08/24/2022] [Accepted: 08/25/2022] [Indexed: 12/14/2022] Open
Abstract
Simple Summary Even though the presently employed biomarkers in the detection and management of multiple myeloma are demonstrating encouraging results, the mortality percentage of the malignancy is still elevated. Thus, searching for new diagnostic or prognostic markers is pivotal. Liquid biopsy allows the examination of circulating tumour DNA, cell-free DNA, extracellular RNA, and cell free proteins, which are released into the bloodstream due to the breakdown of tumour cells or exosome delivery. Liquid biopsy can now be applied in clinical practice to diagnose, and monitor multiple myeloma, probably allowing a personalized treatment of the disease. Abstract Liquid biopsy is one of the fastest emerging fields in cancer evaluation. Circulating tumour cells and tumour-originated DNA in plasma have become the new targets for their possible employ in tumour diagnosis, and liquid biopsy can define tumour burden without invasive procedures. Multiple Myeloma, one of the most frequent hematologic tumors, has been the target of therapeutic progresses in the last few years. Bone marrow aspirate is the traditional tool for diagnosis, prognosis, and genetic evaluation in multiple myeloma patients. However, this painful procedure presents a relevant drawback for regular disease examination as it requires an invasive practice. Moreover, new data demonstrated that a sole bone marrow aspirate is incapable of expressing the multifaceted multiple myeloma genetic heterogeneity. In this review, we report the emerging usefulness of the assessment of circulating tumour cells, cell-free DNA, extracellular RNA, cell-free proteins, extracellular vesicles, and tumour-educated platelets to evaluate the changing mutational profile of multiple myeloma, as early markers of disease, reliable predictors of prognosis, and as useful tools to perform less invasive monitoring in multiple myeloma.
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Affiliation(s)
- Alessandro Allegra
- Division of Hematology, Department of Human Pathology in Adulthood and Childhood “Gaetano Barresi”, University of Messina, 98125 Messina, Italy
- Correspondence:
| | - Gabriella Cancemi
- Division of Hematology, Department of Human Pathology in Adulthood and Childhood “Gaetano Barresi”, University of Messina, 98125 Messina, Italy
| | - Giuseppe Mirabile
- Division of Hematology, Department of Human Pathology in Adulthood and Childhood “Gaetano Barresi”, University of Messina, 98125 Messina, Italy
| | - Alessandro Tonacci
- Clinical Physiology Institute, National Research Council of Italy (IFC-CNR), 56124 Pisa, Italy
| | - Caterina Musolino
- Division of Hematology, Department of Human Pathology in Adulthood and Childhood “Gaetano Barresi”, University of Messina, 98125 Messina, Italy
| | - Sebastiano Gangemi
- Allergy and Clinical Immunology Unit, Department of Clinical and Experimental Medicine, University of Messina, 98125 Messina, Italy
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3
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Soverini S, De Santis S, Martelli M, Monaldi C, Castagnetti F, Gugliotta G, Papayannidis C, Mancini M, Bruno S, Venturi C, Machova Polakova K, Ernst T, Maar D, Corner A, Cavo M. Droplet digital PCR for the detection of second-generation tyrosine kinase inhibitor-resistant BCR::ABL1 kinase domain mutations in chronic myeloid leukemia. Leukemia 2022; 36:2250-2260. [PMID: 35908105 DOI: 10.1038/s41375-022-01660-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 07/05/2022] [Accepted: 07/19/2022] [Indexed: 11/09/2022]
Abstract
One of the indications for BCR::ABL1 mutation testing in chronic myeloid leukemia (CML) is when tyrosine kinase inhibitor therapy (TKI) needs to be changed for unsatisfactory response. In this study, we evaluated a droplet digital PCR (ddPCR)-based multiplex strategy for the detection and quantitation of transcripts harbouring mutations conferring resistance to second-generation TKIs (2GTKIs). Parallel quantitation of e13a2, e14a2 and e1a2 BCR::ABL1 fusion transcripts enables to express results as percentage of mutation positive- over total BCR::ABL1 transcripts. We determined the limit of blank in 60 mutation-negative samples. Accuracy was demonstrated by further analysis of 48 samples already studied by next generation sequencing (NGS). Mutations could be called down to 0.5% and across 3-logs of BCR::ABL1 levels. Retrospective review of BCR::ABL1 NGS results in 513 consecutive CML patients with non-optimal response to first- or second-line TKI therapy suggested that a ddPCR-based approach targeted against 2GTKI-resistant mutations would score samples as mutation-negative in 22% of patients with warning response to imatinib but only in 6% of patients with warning response to 2GTKIs. We conclude ddPCR represents an attractive method for easy, accurate and rapid screening for 2GTKI-resistant mutations impacting on TKI selection, although ddPCR cannot identify compound mutations.
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Affiliation(s)
- Simona Soverini
- Dipartimento di Medicina Specialistica, Diagnostica e Sperimentale, Istituto di Ematologia "Seràgnoli", Università di Bologna, Bologna, Italy.
| | - Sara De Santis
- Dipartimento di Medicina Specialistica, Diagnostica e Sperimentale, Istituto di Ematologia "Seràgnoli", Università di Bologna, Bologna, Italy
| | - Margherita Martelli
- Dipartimento di Medicina Specialistica, Diagnostica e Sperimentale, Istituto di Ematologia "Seràgnoli", Università di Bologna, Bologna, Italy
| | - Cecilia Monaldi
- Dipartimento di Medicina Specialistica, Diagnostica e Sperimentale, Istituto di Ematologia "Seràgnoli", Università di Bologna, Bologna, Italy
| | - Fausto Castagnetti
- IRCCS Azienda Ospedaliero-Universitaria di Bologna, Istituto di Ematologia "Seràgnoli", Dipartimento di Medicina Specialistica, Diagnostica e Sperimentale, Università di Bologna, Bologna, Italy
| | - Gabriele Gugliotta
- IRCCS Azienda Ospedaliero-Universitaria di Bologna, Istituto di Ematologia "Seràgnoli", Bologna, Italy
| | - Cristina Papayannidis
- IRCCS Azienda Ospedaliero-Universitaria di Bologna, Istituto di Ematologia "Seràgnoli", Bologna, Italy
| | - Manuela Mancini
- IRCCS Azienda Ospedaliero-Universitaria di Bologna, Istituto di Ematologia "Seràgnoli", Bologna, Italy
| | - Samantha Bruno
- Dipartimento di Medicina Specialistica, Diagnostica e Sperimentale, Istituto di Ematologia "Seràgnoli", Università di Bologna, Bologna, Italy
| | - Claudia Venturi
- IRCCS Azienda Ospedaliero-Universitaria di Bologna, Istituto di Ematologia "Seràgnoli", Bologna, Italy
| | | | - Thomas Ernst
- Abteilung Hämatologie/Onkologie, Klinik für Innere Medizin II, Universitätsklinikum Jena, Jena, Germany
| | - Dianna Maar
- Bio-Rad Laboratories, Digital Biology Group, Pleasanton, CA, USA
| | - Adam Corner
- Bio-Rad Laboratories, Digital Biology Group, Peterborough, UK
| | - Michele Cavo
- IRCCS Azienda Ospedaliero-Universitaria di Bologna, Istituto di Ematologia "Seràgnoli", Dipartimento di Medicina Specialistica, Diagnostica e Sperimentale, Università di Bologna, Bologna, Italy
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4
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Lu Y, Li Z, Lim EH, Huan PT, Kham SKY, Yeoh AEJ. Digital PCR for Minimal Residual Disease Quantitation Using Immunoglobulin/T-Cell Receptor Gene Rearrangements in Acute Lymphoblastic Leukemia: A Proposed Analytic Algorithm. J Mol Diagn 2022; 24:655-665. [PMID: 35390515 DOI: 10.1016/j.jmoldx.2022.03.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 02/11/2022] [Accepted: 03/04/2022] [Indexed: 10/18/2022] Open
Abstract
In minimal residual disease (MRD), where there are exceedingly low target copy numbers, digital PCR (dPCR) can improve MRD quantitation. However, standards for dPCR MRD interpretation in acute lymphoblastic leukemia are lacking. Here, for immunoglobulin/T-cell receptor-based MRD, we propose an objective, statistics-based analytic algorithm. In 161 postinduction samples from 79 children with acute lymphoblastic leukemia, MRD was performed by dPCR and real-time quantitative PCR (qPCR) using the same markers and primer-probe sets. The dPCR raw data were analyzed by using an automated algorithm. dPCR and qPCR results were highly concordant (P < 0.0001): 98% (50 of 51) of qPCR positive were positive by dPCR, whereas 95% (61 of 64) of qPCR negative results were also negative by dPCR. For MRD quantitation, both qPCR and dPCR were tightly correlated (R2 = 0.94). Using more DNA (1 μg × 7 versus 630 ng × 3), dPCR improved sensitivity of MRD quantitation by one log10 (median MRD positive cutoff 1.6 × 10-5). With dPCR, 83% (29 of 35) of positive-not-quantifiable results by qPCR could be assigned positive/negative MRD status. Seven replicates of tested samples and negative controls were optimal. Compared with qPCR, dPCR could improve MRD sensitivity by one log10. We proposed an automatable, statistics-based algorithm that minimized interoperator variance for dPCR MRD.
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Affiliation(s)
- Yi Lu
- VIVA-NUS Centre for Translational Research in Acute Leukemia, Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Zhenhua Li
- VIVA-NUS Centre for Translational Research in Acute Leukemia, Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Evelyn Huizi Lim
- VIVA-NUS Centre for Translational Research in Acute Leukemia, Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Pei Tee Huan
- VIVA-NUS Centre for Translational Research in Acute Leukemia, Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Shirley Kow Yin Kham
- VIVA-NUS Centre for Translational Research in Acute Leukemia, Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Allen Eng-Juh Yeoh
- VIVA-NUS Centre for Translational Research in Acute Leukemia, Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore; VIVA-University Children's Cancer Centre, Khoo Teck Puat-National University Children's Medical Institute, National University Hospital, National University Health System, Singapore; Cancer Science Institute of Singapore, National University of Singapore, Singapore.
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5
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Glofitamab Treatment in Relapsed or Refractory DLBCL after CAR T-Cell Therapy. Cancers (Basel) 2022; 14:cancers14102516. [PMID: 35626120 PMCID: PMC9139991 DOI: 10.3390/cancers14102516] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 05/18/2022] [Accepted: 05/18/2022] [Indexed: 02/04/2023] Open
Abstract
Simple Summary CAR T-cell therapies represent a major advance in the treatment of relapsed B-cell non-Hodgkin lymphomas. Nevertheless, a significant proportion of these patients will experience disease progression following CAR T treatment. For these patients, no standard therapeutic procedure is established so far. The novel bispecific antibody glofitamab has shown promising activity in the treatment of refractory or relapsed B-cell non-Hodgkin lymphomas. In this study, we provide evidence for good tolerance and promising efficacy of glofitamab administration in patients relapsing after CAR T-cell therapy. Abstract Chimeric antigen receptor T-cells (CAR T) treatment has become a standard option for patients with diffuse large B-cell lymphomas (DLBCL), which are refractory or relapse after two prior lines of therapy. However, little evidence exists for treatment recommendations in patients who relapse after CAR T-cell treatment and the outcome for such patients is poor. In this study, we evaluated the safety and efficacy of a monotherapy with the bispecific CD20xCD3 antibody glofitamab in patients who progressed after CAR T treatment. We report nine consecutive patients with progressive DLBCL after preceding CAR T-cell therapy. The patients received a maximum of 12 cycles of glofitamab after a single obinutuzumab pre-treatment at an academic institution. CRS was observed in two patients (grade 2 in both patients). We observed an overall response rate of 67%, with four patients achieving a complete response and a partial remission in two patients. Interestingly, we identified increased persistence of circulating CAR T-cells in peripheral blood in three of the five patients with measurable CAR T-cells. Our data suggest that glofitamab treatment is well tolerated and effective in patients with DLBCL relapsing after CAR T-cell therapy and can enhance residual CAR T-cell activity.
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6
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Shumilov E, Hasenkamp J, Maulhardt M, Mazzeo P, Schmidt N, Boyadzhiev H, Jung W, Ganster C, Haase D, Koch R, Wulf G. Outcomes of second allogeneic stem cell transplantation and anti‐relapse strategies in patients with relapsed/refractory AML: a unicentric retrospective analysis. Hematol Oncol 2022; 40:763-776. [DOI: 10.1002/hon.2995] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 02/10/2022] [Accepted: 03/28/2022] [Indexed: 11/09/2022]
Affiliation(s)
- Evgenii Shumilov
- Department of Hematology and Medical Oncology University Medicine Göttingen (UMG) Göttingen Germany
- Department of Medicine A Hematology Oncology and Pneumology University Hospital Muenster Muenster Germany
| | - Justin Hasenkamp
- Department of Hematology and Medical Oncology University Medicine Göttingen (UMG) Göttingen Germany
| | - Markus Maulhardt
- Department of Hematology and Medical Oncology University Medicine Göttingen (UMG) Göttingen Germany
| | - Paolo Mazzeo
- Department of Hematology and Medical Oncology University Medicine Göttingen (UMG) Göttingen Germany
| | - Nicole Schmidt
- Department of Hematology and Medical Oncology University Medicine Göttingen (UMG) Göttingen Germany
| | - Hristo Boyadzhiev
- Department of Hematology and Medical Oncology University Medicine Göttingen (UMG) Göttingen Germany
| | - Wolfram Jung
- Department of Hematology and Medical Oncology University Medicine Göttingen (UMG) Göttingen Germany
| | - Christina Ganster
- Department of Hematology and Medical Oncology University Medicine Göttingen (UMG) Göttingen Germany
| | - Detlef Haase
- Department of Hematology and Medical Oncology University Medicine Göttingen (UMG) Göttingen Germany
| | - Raphael Koch
- Department of Hematology and Medical Oncology University Medicine Göttingen (UMG) Göttingen Germany
| | - Gerald Wulf
- Department of Hematology and Medical Oncology University Medicine Göttingen (UMG) Göttingen Germany
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7
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Colmenares R, Álvarez N, Barrio S, Martínez-López J, Ayala R. The Minimal Residual Disease Using Liquid Biopsies in Hematological Malignancies. Cancers (Basel) 2022; 14:1310. [PMID: 35267616 PMCID: PMC8909350 DOI: 10.3390/cancers14051310] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 02/23/2022] [Accepted: 02/27/2022] [Indexed: 12/02/2022] Open
Abstract
The study of cell-free DNA (cfDNA) and other peripheral blood components (known as "liquid biopsies") is promising, and has been investigated especially in solid tumors. Nevertheless, it is increasingly showing a greater utility in the diagnosis, prognosis, and response to treatment of hematological malignancies; in the future, it could prevent invasive techniques, such as bone marrow (BM) biopsies. Most of the studies about this topic have focused on B-cell lymphoid malignancies; some of them have shown that cfDNA can be used as a novel way for the diagnosis and minimal residual monitoring of B-cell lymphomas, using techniques such as next-generation sequencing (NGS). In myelodysplastic syndromes, multiple myeloma, or chronic lymphocytic leukemia, liquid biopsies may allow for an interesting genomic representation of the tumor clones affecting different lesions (spatial heterogeneity). In acute leukemias, it can be helpful in the monitoring of the early treatment response and the prediction of treatment failure. In chronic lymphocytic leukemia, the evaluation of cfDNA permits the definition of clonal evolution and drug resistance in real time. However, there are limitations, such as the difficulty in obtaining sufficient circulating tumor DNA for achieving a high sensitivity to assess the minimal residual disease, or the lack of standardization of the method, and clinical studies, to confirm its prognostic impact. This review focuses on the clinical applications of cfDNA on the minimal residual disease in hematological malignancies.
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Affiliation(s)
- Rafael Colmenares
- Hematology Department, Hospital Universitario 12 de Octubre, Instituto de Investigación Sanitaria Imas12, 28041 Madrid, Spain; (R.C.); (N.Á.); (S.B.); (J.M.-L.)
| | - Noemí Álvarez
- Hematology Department, Hospital Universitario 12 de Octubre, Instituto de Investigación Sanitaria Imas12, 28041 Madrid, Spain; (R.C.); (N.Á.); (S.B.); (J.M.-L.)
- Hematological Malignancies Clinical Research Unit, CNIO, 28029 Madrid, Spain
| | - Santiago Barrio
- Hematology Department, Hospital Universitario 12 de Octubre, Instituto de Investigación Sanitaria Imas12, 28041 Madrid, Spain; (R.C.); (N.Á.); (S.B.); (J.M.-L.)
- Hematological Malignancies Clinical Research Unit, CNIO, 28029 Madrid, Spain
| | - Joaquín Martínez-López
- Hematology Department, Hospital Universitario 12 de Octubre, Instituto de Investigación Sanitaria Imas12, 28041 Madrid, Spain; (R.C.); (N.Á.); (S.B.); (J.M.-L.)
- Hematological Malignancies Clinical Research Unit, CNIO, 28029 Madrid, Spain
- Department of Medicine, Complutense University of Madrid, 28040 Madrid, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Instituto Carlos III, 28029 Madrid, Spain
| | - Rosa Ayala
- Hematology Department, Hospital Universitario 12 de Octubre, Instituto de Investigación Sanitaria Imas12, 28041 Madrid, Spain; (R.C.); (N.Á.); (S.B.); (J.M.-L.)
- Hematological Malignancies Clinical Research Unit, CNIO, 28029 Madrid, Spain
- Department of Medicine, Complutense University of Madrid, 28040 Madrid, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Instituto Carlos III, 28029 Madrid, Spain
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8
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Long S. Digital PCR: Methods and applications in infectious diseases. Methods 2022; 201:1-4. [DOI: 10.1016/j.ymeth.2022.02.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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9
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Li L, Görgens A, Mussack V, Pepeldjiyska E, Hartz AS, Rank A, Schmohl J, Krämer D, Andaloussi SE, Pfaffl MW, Schmetzer H. Description and optimization of a multiplex bead-based flow cytometry method (MBFCM) to characterize extracellular vesicles in serum samples from patients with hematological malignancies. Cancer Gene Ther 2022; 29:1600-1615. [PMID: 35477770 PMCID: PMC9663305 DOI: 10.1038/s41417-022-00466-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 01/25/2022] [Accepted: 03/18/2022] [Indexed: 02/04/2023]
Abstract
Extracellular Vesicles (EVs) are membranous vesicles produced by all cells under physiological and pathological conditions. In hematological malignancies, tumor-derived EVs might reprogram the bone marrow environment, suppress antileukemic immunity, mediate drug resistance and interfere with immunotherapies. EVs collected from the serum of leukemic samples might correlate with disease stage, drug-/immunological resistance, or might correlate with antileukemic immunity/immune response. Special EV surface protein patterns in serum have the potential as noninvasive biomarker candidates to distinguish several disease-related patterns ex vivo or in vivo. EVs were isolated from the serum of acute myeloid leukemia (AML), acute lymphoid leukemia (ALL), chronic lymphoid leukemia (CLL) patients, and healthy volunteers. EVs were characterized by transmission electron microscopy and fluorescence nanoparticle tracking analysis, and EV surface protein profiles were analyzed by multiplex bead-based flow cytometry to identify tumor- or immune system-related EVs of AML, ALL, CLL, and healthy samples. Aiming to provide proof-of-concept evidence and methodology for the potential role of serum-derived EVs as biomarkers in leukemic versus healthy samples in this study, we hope to pave the way for future detection of promising biomarkers for imminent disease progression and the identification of potential targets to be used in a therapeutic strategy.
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Affiliation(s)
- Lin Li
- grid.411095.80000 0004 0477 2585Working-group: Immune-Modulation, Medical Department III, University Hospital of Munich, Munich, Germany
| | - André Görgens
- grid.4714.60000 0004 1937 0626Department of Laboratory Medicine, Division of Biomolecular and Cellular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Veronika Mussack
- grid.6936.a0000000123222966Department of Animal Physiology and Immunology, TUM School of Life Sciences Weihenstephan, Technical University of Munich, Freising, Germany
| | - Elena Pepeldjiyska
- grid.411095.80000 0004 0477 2585Working-group: Immune-Modulation, Medical Department III, University Hospital of Munich, Munich, Germany
| | - Anne Sophie Hartz
- grid.411095.80000 0004 0477 2585Working-group: Immune-Modulation, Medical Department III, University Hospital of Munich, Munich, Germany
| | - Andreas Rank
- grid.419801.50000 0000 9312 0220Department of Hematology and Oncology, University Hospital of Augsburg, Augsburg, Germany
| | - Jörg Schmohl
- Department of Hematology and Oncology, Hospital of Stuttgart, Stuttgart, Germany
| | - Doris Krämer
- Department of Heamatology, Oncology and Palliative Care, Ameos Klinikum Mitte, Bremerhaven, Germany
| | - Samir El Andaloussi
- grid.4714.60000 0004 1937 0626Department of Laboratory Medicine, Division of Biomolecular and Cellular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Michael W. Pfaffl
- grid.6936.a0000000123222966Department of Animal Physiology and Immunology, TUM School of Life Sciences Weihenstephan, Technical University of Munich, Freising, Germany
| | - Helga Schmetzer
- grid.411095.80000 0004 0477 2585Working-group: Immune-Modulation, Medical Department III, University Hospital of Munich, Munich, Germany
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10
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Hanbazazh M, Harada S, Reddy V, Mackinnon AC, Harbi D, Morlote D. The Interpretation of Sequence Variants in Myeloid Neoplasms. Am J Clin Pathol 2021; 156:728-748. [PMID: 34155503 DOI: 10.1093/ajcp/aqab039] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
OBJECTIVES To provide an overview of the challenges encountered during the interpretation of sequence variants detected by next-generation sequencing (NGS) in myeloid neoplasms, as well as the limitations of the technology with the goal of preventing the over- or undercalling of alterations that may have a significant effect on patient management. METHODS Review of the peer-reviewed literature on the interpretation, reporting, and technical challenges of NGS assays for myeloid neoplasms. RESULTS NGS has been integrated widely and rapidly into the standard evaluating of myeloid neoplasms. Review of the literature reveals that myeloid sequence variants are challenging to detect and interpret. Large insertions and guanine-cytosine-heavy areas prove technically challenging while frameshift and truncating alterations may be classified as variants of uncertain significance by tertiary analysis informatics pipelines due to their absence in the literature and databases. CONCLUSIONS The analysis and interpretation of NGS results in myeloid neoplasia are challenging due to the varied number of detectable gene alterations. Familiarity with the genomic landscape of myeloid malignancies and knowledge of the tools available for the interpretation of sequence variants are essential to facilitate translation into clinical and therapy decisions.
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Affiliation(s)
- Mehenaz Hanbazazh
- Department of Pathology, Division of Genomic Diagnostics and Bioinformatics, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Shuko Harada
- Department of Pathology, Division of Genomic Diagnostics and Bioinformatics, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Vishnu Reddy
- Department of Pathology, Division of Genomic Diagnostics and Bioinformatics, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Alexander Craig Mackinnon
- Department of Pathology, Division of Genomic Diagnostics and Bioinformatics, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Djamel Harbi
- Department of Pathology, Division of Genomic Diagnostics and Bioinformatics, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Diana Morlote
- Department of Pathology, Division of Genomic Diagnostics and Bioinformatics, University of Alabama at Birmingham, Birmingham, AL, USA
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Friend P, Mahon SM. Myeloid Malignancies: Recognizing the Risk of Germline Predisposition and Supporting Patients and Families. Clin J Oncol Nurs 2021; 25:519-522. [PMID: 34533515 DOI: 10.1188/21.cjon.519-522] [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: 11/17/2022]
Abstract
There is increasing recognition of the role of inheritance in myeloid malignancies. Differentiating germline from somatic variants in a hematologic malignancy is challenging but important. Oncology nurses need to be knowledgeable about the germline risk associated with myeloid malignancies; the inherited risk is well established and has implications for affected individuals as well as family members who may be at risk for malignancy themselves or who are being evaluated to serve as a related donor for allogeneic hematopoietic stem cell transplantation.
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12
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Chen X, Zong S, Yi M, Liu C, Wang B, Duan Y, Cheng X, Ruan M, Zhang L, Zou Y, Chen Y, Yang W, Guo Y, Chen X, Hu T, Cheng T, Zhu X, Zhang Y. Minimal residual disease monitoring via AML1-ETO breakpoint tracing in childhood acute myeloid leukemia. Transl Oncol 2021; 14:101119. [PMID: 34000643 PMCID: PMC8138770 DOI: 10.1016/j.tranon.2021.101119] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Accepted: 04/28/2021] [Indexed: 12/25/2022] Open
Abstract
Relapse of childhood AML1-ETO (AE) acute myeloid leukemia is the most common cause of treatment failure. Optimized minimal residual disease monitoring methods is required to prevent relapse. In this study, we used next-generation sequencing to identify the breakpoints in the fusion gene and the DNA-based droplet digital PCR (ddPCR) method was used for dynamic monitoring of AE-DNA. The ddPCR technique provides more sensitive and precise quantitation of the AE gene during disease progression and relapse. Quantification of the AE fusion gene by ddPCR further contributes to improved prognosis. Our study provides valuable methods for dynamic surveillance of AE fusion DNA and assistance in determining the prognosis.
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Affiliation(s)
- Xiaoyan Chen
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Suyu Zong
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Meihui Yi
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Chao Liu
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Bingrui Wang
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Yongjuan Duan
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Xuelian Cheng
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Min Ruan
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Li Zhang
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Yao Zou
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Yumei Chen
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Wenyu Yang
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Ye Guo
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Xiaojuan Chen
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Tianyuan Hu
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Tao Cheng
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Xiaofan Zhu
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China.
| | - Yingchi Zhang
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China.
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Subjakova V, Oravczova V, Hianik T. Polymer Nanoparticles and Nanomotors Modified by DNA/RNA Aptamers and Antibodies in Targeted Therapy of Cancer. Polymers (Basel) 2021; 13:341. [PMID: 33494545 PMCID: PMC7866063 DOI: 10.3390/polym13030341] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 01/14/2021] [Accepted: 01/16/2021] [Indexed: 12/14/2022] Open
Abstract
Polymer nanoparticles and nano/micromotors are novel nanostructures that are of increased interest especially in the diagnosis and therapy of cancer. These structures are modified by antibodies or nucleic acid aptamers and can recognize the cancer markers at the membrane of the cancer cells or in the intracellular side. They can serve as a cargo for targeted transport of drugs or nucleic acids in chemo- immuno- or gene therapy. The various mechanisms, such as enzyme, ultrasound, magnetic, electrical, or light, served as a driving force for nano/micromotors, allowing their transport into the cells. This review is focused on the recent achievements in the development of polymer nanoparticles and nano/micromotors modified by antibodies and nucleic acid aptamers. The methods of preparation of polymer nanoparticles, their structure and properties are provided together with those for synthesis and the application of nano/micromotors. The various mechanisms of the driving of nano/micromotors such as chemical, light, ultrasound, electric and magnetic fields are explained. The targeting drug delivery is based on the modification of nanostructures by receptors such as nucleic acid aptamers and antibodies. Special focus is therefore on the method of selection aptamers for recognition cancer markers as well as on the comparison of the properties of nucleic acid aptamers and antibodies. The methods of immobilization of aptamers at the nanoparticles and nano/micromotors are provided. Examples of applications of polymer nanoparticles and nano/micromotors in targeted delivery and in controlled drug release are presented. The future perspectives of biomimetic nanostructures in personalized nanomedicine are also discussed.
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Affiliation(s)
| | | | - Tibor Hianik
- Department of Nuclear Physics and Biophysics, Faculty of Mathematics, Physics and Informatics, Comenius University, Mlynska dolina F1, 842 48 Bratislava, Slovakia; (V.S.); (V.O.)
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(2 R,3 S)-Dihydroxybutanoic Acid Synthesis as a Novel Metabolic Function of Mutant Isocitrate Dehydrogenase 1 and 2 in Acute Myeloid Leukemia. Cancers (Basel) 2020; 12:cancers12102842. [PMID: 33019704 PMCID: PMC7600928 DOI: 10.3390/cancers12102842] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 09/28/2020] [Accepted: 09/30/2020] [Indexed: 12/11/2022] Open
Abstract
Simple Summary Acute myeloid leukemia (AML) is one of several cancers where cancer proliferation occurs under the influence of an aberrant metabolite known as an oncometabolite produced by a mutated enzyme in the cancer cell. In AML, mutant isocitrate dehydrogenases produce the oncometabolite 2-hydroxyglutarate. We screened AML patients with and without mutant isocitrate dehydrogenases by using a technique known as metabolomics, which measures many different metabolites in patient plasma. It was observed that another metabolite, 2,3-dihydroxybutyrate, was produced in larger amounts in patients with mutated isocitrate dehydrogenase and correlated strongly with 2-hydroxyglutarate levels. Moreover, 2,3-dihydroxybutyrate was a better indicator of the presence of mutated isocitrate dehydrogenase in the cancer than the known oncometabolite 2-hydroxyglutarate. These findings may lead to the characterization of 2,3-dihydroxybutyrate as a novel oncometabolite in AML, which would bring a fuller understanding of the etiology of this disease and offer opportunities for the development of novel therapeutic agents. Abstract Acute myeloid leukemia (AML) frequently harbors mutations in isocitrate 1 (IDH1) and 2 (IDH2) genes, leading to the formation of the oncometabolite (2R)-hydroxyglutaric acid (2R-HG) with epigenetic consequences for AML proliferation and differentiation. To investigate if broad metabolic aberrations may result from IDH1 and IDH2 mutations in AML, plasma metabolomics was conducted by gas chromatography–mass spectrometry (GC–MS) on 51 AML patients, 29 IDH1/2 wild-type (WT), 9 with IDH1R132, 12 with IDH2R140 and one with IDH2R172 mutations. Distinct metabolic differences were observed between IDH1/2 WT, IDH1R132 and IDH2R140 patients that comprised 22 plasma metabolites that were mainly amino acids. Only two plasma metabolites were statistically significantly different (p < 0.0001) between both IDH1R132 and WT IDH1/2 and IDH2R140 and WT IDH1/2, specifically (2R)-hydroxyglutaric acid (2R-HG) and the threonine metabolite (2R,3S)-dihydroxybutanoic acid (2,3-DHBA). Moreover, 2R-HG correlated strongly (p < 0.0001) with 2,3-DHBA in plasma. One WT patient was discovered to have a D-2-hydroxyglutarate dehydrogenase (D2HGDH) A426T inactivating mutation but this had little influence on 2R-HG and 2,3-DHBA plasma concentrations. Expression of transporter genes SLC16A1 and SLC16A3 displayed a weak correlation with 2R-HG but not 2,3-DHBA plasma concentrations. Receiver operating characteristic (ROC) analysis demonstrated that 2,3-DHBA was a better biomarker for IDH mutation than 2R-HG (Area under the curve (AUC) 0.861; p < 0.0001; 80% specificity; 87.3% sensitivity). It was concluded that 2,3-DHBA and 2R-HG are both formed by mutant IDH1R132, IDH2R140 and IDH2R172, suggesting a potential role of 2,3-DHBA in AML pathogenesis.
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