1
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Balducci E, Simonin M, Duployez N, Steimlé T, Dourthe ME, Villarese P, Ducassou S, Arnoux I, Cayuela JM, Balsat M, Courtois L, Andrieu G, Touzart A, Huguet F, Petit A, Ifrah N, Dombret H, Baruchel A, Macintyre E, Preudhomme C, Boissel N, Asnafi V. Genomic imbalance analysis provides new insight into prognostic factors in adult and pediatric T-ALL. Blood 2024; 144:988-1000. [PMID: 38518104 DOI: 10.1182/blood.2023022154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 03/06/2024] [Accepted: 03/06/2024] [Indexed: 03/24/2024] Open
Abstract
ABSTRACT Given the poor outcome of refractory and relapsing T-cell acute lymphoblastic leukemia (T-ALL), identifying prognostic markers is still challenging. Using single nucleotide polymorphism (SNP) array analysis, we provide a comprehensive analysis of genomic imbalances in a cohort of 317 newly diagnosed patients with T-ALL including 135 children and 182 adults with respect to clinical and biological features and outcomes. SNP array results identified at least 1 somatic genomic imbalance in virtually all patients with T-ALL (∼96%). Del(9)(p21) (∼70%) and UPD(9)p21)/CDKN2A/B (∼28%) were the most frequent genomic imbalances. Unexpectedly del(13)(q14)/RB1/DLEU1 (∼14%) was the second most frequent copy number variant followed by del(6)(q15)/CASP8AP2 (∼11%), del(1)(p33)/SIL-TAL1 (∼11%), del(12)(p13)ETV6/CDKN1B (∼9%), del(18)(p11)/PTPN2 (∼9%), del(1)(p36)/RPL22 (∼9%), and del(17)(q11)/NF1/SUZ12 (∼8%). SNP array also revealed distinct profiles of genomic imbalances according to age, immunophenotype, and oncogenetic subgroups. In particular, adult patients with T-ALL demonstrated a significantly higher incidence of del(1)(p36)/RPL22, and del(13)(q14)/RB1/DLEU1, and lower incidence of del(9)(p21) and UPD(9p21)/CDKN2A/B. We determined a threshold of 15 genomic imbalances to stratify patients into high- and low-risk groups of relapse. Survival analysis also revealed the poor outcome, despite the low number of affected cases, conferred by the presence of chromothripsis (n = 6, ∼2%), del(16)(p13)/CREBBP (n = 15, ∼5%) as well as the newly-identified recurrent gain at 6q27 involving MLLT4 (n = 10, ∼3%). Genomic complexity, del(16)(p13)/CREBBP and gain at 6q27 involving MLLT4, maintained their significance in multivariate analysis for survival outcome. Our study thus demonstrated that whole genome analysis of imbalances provides new insights to refine risk stratification in T-ALL. This trial was registered at www.ClinicalTrials.gov as #NCT00222027 and #NCT00327678, and as #FRALLE 2000T trial.
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Affiliation(s)
- Estelle Balducci
- Laboratory of Onco-Hematology, Necker Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
- INSERM U1151, Institut Necker Enfants Malades, Paris, France
| | - Mathieu Simonin
- Laboratory of Onco-Hematology, Necker Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
- INSERM U1151, Institut Necker Enfants Malades, Paris, France
| | - Nicolas Duployez
- Laboratory of hematology, Biology and Pathology Center, CHU Lille, Lille, France
- INSERM U1277 CANTHER, University Lille, Lille, France
| | - Thomas Steimlé
- Laboratory of Onco-Hematology, Necker Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
- INSERM U1151, Institut Necker Enfants Malades, Paris, France
| | - Marie-Emilie Dourthe
- Laboratory of Onco-Hematology, Necker Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
- INSERM U1151, Institut Necker Enfants Malades, Paris, France
| | - Patrick Villarese
- Laboratory of Onco-Hematology, Necker Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
- INSERM U1151, Institut Necker Enfants Malades, Paris, France
| | - Stéphane Ducassou
- Department of Pediatric Hematology-Oncology, Bordeaux University Hospital, Bordeaux, France
| | - Isabelle Arnoux
- Hematology Laboratory, Marseille University Hospital Timone, Marseille, France
| | - Jean-Michel Cayuela
- Laboratory of Hematology and EA 3518 University Hospital Saint-Louis, Assistance Publique-Hôpitaux de Paris, Université de Paris, Paris, France
| | - Marie Balsat
- Department of Hematology, Lyon-Sud Hospital, Hospices Civils de Lyon, Lyon, France
| | - Lucien Courtois
- Laboratory of Onco-Hematology, Necker Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
- INSERM U1151, Institut Necker Enfants Malades, Paris, France
| | - Guillaume Andrieu
- Laboratory of Onco-Hematology, Necker Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
- INSERM U1151, Institut Necker Enfants Malades, Paris, France
| | - Aurore Touzart
- Laboratory of Onco-Hematology, Necker Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
- INSERM U1151, Institut Necker Enfants Malades, Paris, France
| | - Françoise Huguet
- Hematology Department, Institut Universitaire du Cancer-Oncopole, CHU de Toulouse, Toulouse, France
| | - Arnaud Petit
- Department of Pediatric Hematology and Oncology, Assistance Publique-Hôpitaux de Paris (AP-HP), GH HUEP, Armand Trousseau Hospital, Paris, France
| | - Norbert Ifrah
- PRES LUNAM, CHU Angers Service des Maladies du Sang et INSERM U 892, Angers, France
| | - Hervé Dombret
- Université Paris Diderot, Institut Universitaire d'Hématologie, EA-3518, Assistance Publique-Hôpitaux de Paris, University Hospital Saint-Louis, Paris, France
| | - André Baruchel
- Université Paris Diderot, Institut Universitaire d'Hématologie, EA-3518, Assistance Publique-Hôpitaux de Paris, University Hospital Saint-Louis, Paris, France
- Department of Pediatric Hematology and Immunology, University Hospital Robert Debré, Assistance Publique des Hôpitaux de Paris, Paris, France
| | - Elizabeth Macintyre
- Laboratory of Onco-Hematology, Necker Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
- INSERM U1151, Institut Necker Enfants Malades, Paris, France
| | - Claude Preudhomme
- Laboratory of hematology, Biology and Pathology Center, CHU Lille, Lille, France
- INSERM U1277 CANTHER, University Lille, Lille, France
| | - Nicolas Boissel
- Université Paris Diderot, Institut Universitaire d'Hématologie, EA-3518, Assistance Publique-Hôpitaux de Paris, University Hospital Saint-Louis, Paris, France
| | - Vahid Asnafi
- Laboratory of Onco-Hematology, Necker Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
- INSERM U1151, Institut Necker Enfants Malades, Paris, France
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2
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Summers RJ, Teachey DT. SNPing away poor outcomes in T-ALL. Blood 2024; 144:924-925. [PMID: 39207812 DOI: 10.1182/blood.2024024594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/04/2024] Open
Affiliation(s)
- Ryan J Summers
- Emory University
- Aflac Cancer and Blood Disorders Center
- Children's Healthcare of Atlanta
| | - David T Teachey
- Children's Hospital of Philadelphia
- The Perelman School of Medicine at the University of Pennsylvania
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3
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Shen Q, Gong X, Feng Y, Hu Y, Wang T, Yan W, Zhang W, Qi S, Gale RP, Chen J. Measurable residual disease (MRD)-testing in haematological cancers: A giant leap forward or sideways? Blood Rev 2024:101226. [PMID: 39164126 DOI: 10.1016/j.blre.2024.101226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2024] [Revised: 08/07/2024] [Accepted: 08/07/2024] [Indexed: 08/22/2024]
Abstract
Measurable residual disease (MRD)-testing is used in many haematological cancers to estimate relapse risk and to direct therapy. Sometimes MRD-test results are used for regulatory approval. However, some people including regulators wrongfully believe results of MRD-testing are highly accurate and of proven efficacy in directing therapy. We review MRD-testing technologies and evaluate the accuracy of MRD-testing for predicting relapse and the strength of evidence supporting efficacy of MRD-guided therapy. We show that at the individual level MRD-test results are often an inaccurate relapse predictor. Also, no convincing data indicate that increasing therapy-intensity based on a positive MRD-test reduces relapse risk or improves survival. We caution against adjusting therapy-intensity based solely on results of MRD-testing.
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Affiliation(s)
- Qiujin Shen
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China; Tianjin Institutes of Health Science, Tianjin, China.
| | - Xiaowen Gong
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China; Tianjin Institutes of Health Science, Tianjin, China.
| | - Yahui Feng
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China; Tianjin Institutes of Health Science, Tianjin, China.
| | - Yu Hu
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China; Tianjin Institutes of Health Science, Tianjin, China.
| | - Tiantian Wang
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China; Tianjin Institutes of Health Science, Tianjin, China.
| | - Wen Yan
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China; Tianjin Institutes of Health Science, Tianjin, China.
| | - Wei Zhang
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China; Tianjin Institutes of Health Science, Tianjin, China.
| | - Saibing Qi
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China; Tianjin Institutes of Health Science, Tianjin, China.
| | - Robert Peter Gale
- Centre for Haematology, Department of Immunology and Inflammation, Imperial College of Science, Technology and Medicine, London, UK.
| | - Junren Chen
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China; Tianjin Institutes of Health Science, Tianjin, China.
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4
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Chen J, Gale RP, Hu Y, Yan W, Wang T, Zhang W. Measurable residual disease (MRD)-testing in haematological and solid cancers. Leukemia 2024; 38:1202-1212. [PMID: 38637690 PMCID: PMC11147778 DOI: 10.1038/s41375-024-02252-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 04/06/2024] [Accepted: 04/09/2024] [Indexed: 04/20/2024]
Affiliation(s)
- Junren Chen
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China.
- Tianjin Institutes of Health Science, Tianjin, China.
| | - Robert Peter Gale
- Centre for Haematology, Department of Immunology and Inflammation, Imperial College of Science, Technology and Medicine, London, UK
| | - Yu Hu
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
- Tianjin Institutes of Health Science, Tianjin, China
| | - Wen Yan
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
- Tianjin Institutes of Health Science, Tianjin, China
| | - Tiantian Wang
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
- Tianjin Institutes of Health Science, Tianjin, China
| | - Wei Zhang
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
- Tianjin Institutes of Health Science, Tianjin, China
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5
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De Bie J, Quessada J, Tueur G, Lefebvre C, Luquet I, Toujani S, Cuccuini W, Lafage-Pochitaloff M, Michaux L. Cytogenetics in the management of T-cell acute lymphoblastic leukemia (T-ALL): Guidelines from the Groupe Francophone de Cytogénétique Hématologique (GFCH). Curr Res Transl Med 2023; 71:103431. [PMID: 38016418 DOI: 10.1016/j.retram.2023.103431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 11/13/2023] [Accepted: 11/17/2023] [Indexed: 11/30/2023]
Abstract
Molecular analysis is the hallmark of T-cell acute lymphoblastic leukemia (T-ALL) categorization. Several T-ALL sub-groups are well recognized based on the aberrant expression of specific transcription factors. This recently resulted in the implementation of eight provisional T-ALL entities into the novel 2022 International Consensus Classification, albeit not into the updated World Health Organization classification system. Despite this extensive molecular characterization, cytogenetic analysis remains the backbone of T-ALL diagnosis in many countries as chromosome banding analysis and fluorescence in situ hybridization are relatively inexpensive techniques to obtain results of diagnostic, prognostic and therapeutic interest. Here, we provide an overview of recurrent chromosomal abnormalities detectable in T-ALL patients and propose guidelines regarding their detection. By referring in parallel to the more general molecular classification approach, we hope to offer a diagnostic framework useful in a broad clinical genetic setting.
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Affiliation(s)
- Jolien De Bie
- Center for Human Genetics, University Hospitals Leuven, Herestraat 49, Leuven 3000, Belgium
| | - Julie Quessada
- Laboratoire de Cytogénétique Hématologique, Département d'Hématologie, CHU Timone, APHM, Aix Marseille Université, Marseille 13005, France; CRCM, Inserm UMR1068, CNRS UMR7258, Aix Marseille Université U105, Institut Paoli Calmettes, Marseille 13009, France
| | - Giulia Tueur
- Laboratoire d'hématologie, Hôpital Avicenne, AP-HP, Bobigny 93000, France
| | - Christine Lefebvre
- Unité de Génétique des Hémopathies, Service d'Hématologie Biologique, CHU Grenoble Alpes, Grenoble 38000, France
| | - Isabelle Luquet
- Laboratoire d'Hématologie, CHU Toulouse (IUCT-O), Toulouse 31000, France
| | - Saloua Toujani
- Service de Cytogénétique et Biologie Cellulaire, CHU de Rennes, Rennes 35033, France
| | - Wendy Cuccuini
- Laboratoire d'Hématologie, Unité de Cytogénétique, Hôpital Saint-Louis, AP-HP, Paris 75010, France
| | - Marina Lafage-Pochitaloff
- Laboratoire de Cytogénétique Hématologique, Département d'Hématologie, CHU Timone, APHM, Aix Marseille Université, Marseille 13005, France
| | - Lucienne Michaux
- Center for Human Genetics, University Hospitals Leuven, Herestraat 49, Leuven 3000, Belgium; Katholieke Universiteit Leuven, Leuven 3000, Belgium.
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6
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Bhasin SS, Thomas BE, Summers RJ, Sarkar D, Mumme H, Pilcher W, Emam M, Raikar SS, Park SI, Castellino SM, Graham DK, Bhasin MK, DeRyckere D. Pediatric T-cell acute lymphoblastic leukemia blast signature and MRD associated immune environment changes defined by single cell transcriptomics analysis. Sci Rep 2023; 13:12556. [PMID: 37532715 PMCID: PMC10397284 DOI: 10.1038/s41598-023-39152-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 07/20/2023] [Indexed: 08/04/2023] Open
Abstract
Different driver mutations and/or chromosomal aberrations and dysregulated signaling interactions between leukemia cells and the immune microenvironment have been implicated in the development of T-cell acute lymphoblastic leukemia (T-ALL). To better understand changes in the bone marrow microenvironment and signaling pathways in pediatric T-ALL, bone marrows collected at diagnosis (Dx) and end of induction therapy (EOI) from 11 patients at a single center were profiled by single cell transcriptomics (10 Dx, 5 paired EOI, 1 relapse). T-ALL blasts were identified by comparison with healthy bone marrow cells. T-ALL blast-associated gene signature included SOX4, STMN1, JUN, HES4, CDK6, ARMH1 among the most significantly overexpressed genes, some of which are associated with poor prognosis in children with T-ALL. Transcriptome profiles of the blast cells exhibited significant inter-patient heterogeneity. Post induction therapy expression profiles of the immune cells revealed significant changes. Residual blast cells in MRD+ EOI samples exhibited significant upregulation (P < 0.01) of PD-1 and RhoGDI signaling pathways. Differences in cellular communication were noted in the presence of residual disease in T cell and hematopoietic stem cell compartments in the bone marrow. Together, these studies generate new insights and expand our understanding of the bone marrow landscape in pediatric T-ALL.
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Affiliation(s)
- Swati S Bhasin
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Atlanta, GA, USA.
- Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA.
| | - Beena E Thomas
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Atlanta, GA, USA
- Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA
| | - Ryan J Summers
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Atlanta, GA, USA
- Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA
| | - Debasree Sarkar
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Atlanta, GA, USA
- Department of Biomedical Informatics, Emory University School of Medicine, Atlanta, GA, USA
| | - Hope Mumme
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Atlanta, GA, USA
- Department of Biomedical Informatics, Emory University School of Medicine, Atlanta, GA, USA
| | - William Pilcher
- Wallace H Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | - Mohamed Emam
- Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA
| | - Sunil S Raikar
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Atlanta, GA, USA
- Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA
| | - Sunita I Park
- Department of Pathology, Children's Healthcare of Atlanta, Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, GA, USA
| | - Sharon M Castellino
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Atlanta, GA, USA
- Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA
| | - Douglas K Graham
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Atlanta, GA, USA
- Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA
| | - Manoj K Bhasin
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Atlanta, GA, USA
- Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA
- Department of Biomedical Informatics, Emory University School of Medicine, Atlanta, GA, USA
- Wallace H Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | - Deborah DeRyckere
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Atlanta, GA, USA
- Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA
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7
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Simonin M, Andrieu GP, Birsen R, Balsat M, Hypolite G, Courtois L, Graux C, Grardel N, Cayuela JM, Huguet F, Chalandon Y, Le Bris Y, Macintyre E, Gandemer V, Petit A, Rousselot P, Baruchel A, Bouscary D, Hermine O, Boissel N, Asnafi V. Prognostic value and oncogenic landscape of TP53 alterations in adult and pediatric T-ALL. Blood 2023; 141:1353-1358. [PMID: 36599110 DOI: 10.1182/blood.2022017755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 12/21/2022] [Accepted: 12/21/2022] [Indexed: 01/06/2023] Open
Affiliation(s)
- Mathieu Simonin
- Laboratory of Onco-Hematology, Assistance Publique-Hôpitaux de Paris, Hôpital Necker Enfants-Malades, Université de Paris Cité, Paris, France
- Institut Necker-Enfants Malades, INSERM U1151, Paris, France
- Department of Pediatric Hematology and Oncology, Assistance Publique-Hôpitaux de Paris, Armand Trousseau Hospital, Sorbonne Université, Paris, France
| | - Guillaume P Andrieu
- Laboratory of Onco-Hematology, Assistance Publique-Hôpitaux de Paris, Hôpital Necker Enfants-Malades, Université de Paris Cité, Paris, France
- Institut Necker-Enfants Malades, INSERM U1151, Paris, France
| | - Rudy Birsen
- Department of Hematology, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris, Université de Paris Cité, Paris, France
- Institut Cochin, INSERM U1016, Paris, France
| | - Marie Balsat
- Hospices Civils de Lyon, Service d'Hématologie Clinique, Centre Hospitalier Lyon-Sud, Pierre-Bénite, France
| | - Guillaume Hypolite
- Laboratory of Onco-Hematology, Assistance Publique-Hôpitaux de Paris, Hôpital Necker Enfants-Malades, Université de Paris Cité, Paris, France
- Institut Necker-Enfants Malades, INSERM U1151, Paris, France
| | - Lucien Courtois
- Laboratory of Onco-Hematology, Assistance Publique-Hôpitaux de Paris, Hôpital Necker Enfants-Malades, Université de Paris Cité, Paris, France
- Institut Necker-Enfants Malades, INSERM U1151, Paris, France
| | - Carlos Graux
- CHU UCLouvain Namur-Godinne, service d'Hématologie, Yvoir, Belgium
| | - Nathalie Grardel
- Laboratory of Hematology, CHRU Lille, Lille, France
- INSERM U1172, Lille, France
| | - Jean-Michel Cayuela
- Laboratory of Hematology and EA3518, Saint-Louis University Hospital, Université de Paris Cité, Paris, France
| | - Françoise Huguet
- Department of Hematology, CHRU-Institut Universitaire de Cancer Toulouse-Oncopole, Toulouse, France
| | - Yves Chalandon
- Division of Hematology, Department of Oncology, University Hospital of Geneva and Faculty of Medicine, University of Geneva, Geneva, Switzerland
- Swiss Group for Clinical Cancer Research, Bern, Switzerland
| | - Yannick Le Bris
- Hematology Biology, Nantes University Hospital and Nantes-Angers Cancer and Immunology Research Center, Nantes, France
| | - Elizabeth Macintyre
- Laboratory of Onco-Hematology, Assistance Publique-Hôpitaux de Paris, Hôpital Necker Enfants-Malades, Université de Paris Cité, Paris, France
- Department of Pediatric Hematology and Oncology, Assistance Publique-Hôpitaux de Paris, Armand Trousseau Hospital, Sorbonne Université, Paris, France
| | - Virginie Gandemer
- Department of Pediatric Hematology and Oncology, University Hospital of Rennes, Rennes, France
| | - Arnaud Petit
- Department of Pediatric Hematology and Oncology, Assistance Publique-Hôpitaux de Paris, Armand Trousseau Hospital, Sorbonne Université, Paris, France
| | - Philippe Rousselot
- Department of Hematology, Centre Hospitalier de Versailles, Le Chesnay, France
- Université Paris-Saclay, Communauté Paris-Saclay, France
| | - André Baruchel
- Department of Pediatric Hematology and Immunology, Assistance Publique-Hôpitaux de Paris, Robert Debré Hospital, Université de Paris Cité, Paris, France
| | - Didier Bouscary
- Department of Hematology, Hôpital Cochin, Assistance Publique-Hôpitaux de Paris, Université de Paris Cité, Paris, France
- Institut Cochin, INSERM U1016, Paris, France
| | - Olivier Hermine
- Department of Hematology, INSERM U1163, IMAGINE Institute, Paris University, Necker Hospital, Paris, France
| | - Nicolas Boissel
- Université Paris Cité, Institut de Recherche Saint-Louis, URP-3518, Publique-Hôpitaux de Paris, Saint-Louis University Hospital, Paris, France
| | - Vahid Asnafi
- Laboratory of Onco-Hematology, Assistance Publique-Hôpitaux de Paris, Hôpital Necker Enfants-Malades, Université de Paris Cité, Paris, France
- Institut Necker-Enfants Malades, INSERM U1151, Paris, France
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8
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Xue YJ, Wang Y, Lu AD, Jia YP, Zuo YX, Ding MM, Zeng HM, Zhang LP. Clinical analysis of pediatric T-cell acute lymphoblastic leukemia using the MRD-oriented strategy system. CLINICAL LYMPHOMA MYELOMA AND LEUKEMIA 2023:S2152-2650(23)00110-6. [PMID: 37080879 DOI: 10.1016/j.clml.2023.03.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Revised: 03/24/2023] [Accepted: 03/24/2023] [Indexed: 03/31/2023]
Abstract
Pediatric T-cell acute lymphoblastic leukemia (T-ALL) has historically been associated with a poor prognosis. However, prognostic indicators and methods of treatment used for T-ALL remain controversial. A total of 136 children newly diagnosed with T-ALL between 2005 and 2018 were consecutively enrolled in this study. We assessed the effect of different prognostic factors, such as clinical characteristics, minimal residual disease (MRD), and the role of transplantation in postremission treatment, as the outcomes. Compared with B-ALL patients, patients with T-ALL are generally older, more likely to be male and have a higher white blood cell count. The complete remission (CR) rate was 95.6%, while the 5-year overall survival (OS), event-free survival (EFS), and cumulative incidence of relapse (CIR) were 74.3 ± 3.7%, 71.3 ± 3.9%, and 24.4 ± 3.8%, respectively. In the multivariate analysis, day 33 MRD ≥0.1% and hyperleukocytosis were associated with a significantly worse prognosis in the whole group. Transplantation resulted in a significant survival advantage, compared with chemotherapy, for high-risk (HR) patients (5-year CIR: 15.6 ± 10.2% vs. 55.6 ± 11.7%, P = .029). The prognosis of children with T-ALL was poor, and the MRD on day 33 was found to be an important predictive factor of clinical outcome at our center.
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Affiliation(s)
- Yu-Juan Xue
- Department of Pediatrics, Peking University People's Hospital, Peking University, Beijing, China
| | - Yu Wang
- Department of Pediatrics, Peking University People's Hospital, Peking University, Beijing, China
| | - Ai-Dong Lu
- Department of Pediatrics, Peking University People's Hospital, Peking University, Beijing, China
| | - Yue-Ping Jia
- Department of Pediatrics, Peking University People's Hospital, Peking University, Beijing, China
| | - Ying-Xi Zuo
- Department of Pediatrics, Peking University People's Hospital, Peking University, Beijing, China
| | - Ming-Ming Ding
- Department of Pediatrics, Peking University People's Hospital, Peking University, Beijing, China
| | - Hui-Min Zeng
- Department of Pediatrics, Peking University People's Hospital, Peking University, Beijing, China.
| | - Le-Ping Zhang
- Department of Pediatrics, Peking University People's Hospital, Peking University, Beijing, China.
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9
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Leoncin M, La Starza R, Roti G, Pagliaro L, Bassan R, Mecucci C. Modern treatment approaches to adult acute T-lymphoblastic and myeloid/T-lymphoblastic leukemia: from current standards to precision medicine. Curr Opin Oncol 2022; 34:738-747. [PMID: 36017547 DOI: 10.1097/cco.0000000000000900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE OF REVIEW To review the most recent advancements in the management of adult T-cell acute lymphoblastic leukemia (T-ALL), we summarize insights into molecular diagnostics, immunotherapy, targeted therapy and new techniques of drug sensitivity profiling that may support further therapeutic progress in T-ALL subsets. RECENT FINDINGS With current induction/consolidation chemotherapy and/or risk-oriented allogeneic stem cell transplantation programs up to 95% adult T-ALL patients achieve a remission and >50% (up to 80% in adolescents and young adults) are cured. The group of patients who fail upfront therapy, between 25% and 40%, is enriched in high-risk characteristics (unfavorable genetics, persistent minimal residual disease) and represents the ideal setting for the study of molecular mechanisms of disease resistance, and consequently explore novel ways of restoration of drug sensitivity and assess patient/subset-specific patterns of drug vulnerability to targeting agents, immunotherapy and cell therapy. SUMMARY The emerging evidence supports the contention that precision medicine may soon allow valuable therapeutic chances to adult patients with high-risk T-ALL. The ongoing challenge is to identify the best way to integrate all these new data into the therapeutic path of newly diagnosed patients, with a view to optimize the individual treatment plan and increase the cure rate.
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Affiliation(s)
- Matteo Leoncin
- Hematology Unit, Azienda Ulss3 Serenissima, Ospedale dell'Angelo, Venezia-Mestre
| | | | - Giovanni Roti
- Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Luca Pagliaro
- Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Renato Bassan
- Hematology Unit, Azienda Ulss3 Serenissima, Ospedale dell'Angelo, Venezia-Mestre
| | - Cristina Mecucci
- Department of Medicine and Surgery, University of Perugia, Perugia
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10
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Summers RJ, Teachey DT. SOHO State of the Art Updates and Next Questions | Novel Approaches to Pediatric T-cell ALL and T-Lymphoblastic Lymphoma. CLINICAL LYMPHOMA, MYELOMA & LEUKEMIA 2022; 22:718-725. [PMID: 35941070 PMCID: PMC9644234 DOI: 10.1016/j.clml.2022.07.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Accepted: 07/15/2022] [Indexed: 06/15/2023]
Abstract
While outcomes for children with T-cell acute lymphoblastic leukemia (T-ALL) and T-lymphoblastic lymphoma (T-LL) have improved significantly with contemporary therapy, outcomes for patients with relapsed or refractory (r/r) disease remain dismal. Improved risk stratification and the incorporation of novel therapeutics have the potential to improve outcomes further in T-ALL/T-LL by limiting relapse risk and improving salvage rates for those with r/r disease. In this review we will discuss the challenges and new opportunities for improved risk stratification in T-ALL and T-LL. We will further discuss the recent incorporation of the novel therapeutics nelarabine and bortezomib into front-line therapy for children with T-ALL and T-LL. Finally, we will address new classes of targeted small molecule inhibitors, immunotherapeutics, and chimeric antigen receptor T-cell therapies under investigation in r/r T-ALL and T-LL.
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Affiliation(s)
- Ryan J Summers
- Aflac Cancer and Blood Disorders Center, Children’s Healthcare of Atlanta, Atlanta, GA 30322 USA
- Department of Pediatrics, Emory University School of Medicine, Atlanta, GA 30322 USA
| | - David T Teachey
- The Children’s Hospital of Philadelphia, Philadelphia, PA 19104 USA
- University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104 USA
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11
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Brady SW, Roberts KG, Gu Z, Shi L, Pounds S, Pei D, Cheng C, Dai Y, Devidas M, Qu C, Hill AN, Payne-Turner D, Ma X, Iacobucci I, Baviskar P, Wei L, Arunachalam S, Hagiwara K, Liu Y, Flasch DA, Liu Y, Parker M, Chen X, Elsayed AH, Pathak O, Li Y, Fan Y, Michael JR, Rusch M, Wilkinson MR, Foy S, Hedges DJ, Newman S, Zhou X, Wang J, Reilly C, Sioson E, Rice SV, Pastor Loyola V, Wu G, Rampersaud E, Reshmi SC, Gastier-Foster J, Guidry Auvil JM, Gesuwan P, Smith MA, Winick N, Carroll AJ, Heerema NA, Harvey RC, Willman CL, Larsen E, Raetz EA, Borowitz MJ, Wood BL, Carroll WL, Zweidler-McKay PA, Rabin KR, Mattano LA, Maloney KW, Winter SS, Burke MJ, Salzer W, Dunsmore KP, Angiolillo AL, Crews KR, Downing JR, Jeha S, Pui CH, Evans WE, Yang JJ, Relling MV, Gerhard DS, Loh ML, Hunger SP, Zhang J, Mullighan CG. The genomic landscape of pediatric acute lymphoblastic leukemia. Nat Genet 2022; 54:1376-1389. [PMID: 36050548 PMCID: PMC9700506 DOI: 10.1038/s41588-022-01159-z] [Citation(s) in RCA: 110] [Impact Index Per Article: 55.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Accepted: 07/13/2022] [Indexed: 12/13/2022]
Abstract
Acute lymphoblastic leukemia (ALL) is the most common childhood cancer. Here, using whole-genome, exome and transcriptome sequencing of 2,754 childhood patients with ALL, we find that, despite a generally low mutation burden, ALL cases harbor a median of four putative somatic driver alterations per sample, with 376 putative driver genes identified varying in prevalence across ALL subtypes. Most samples harbor at least one rare gene alteration, including 70 putative cancer driver genes associated with ubiquitination, SUMOylation, noncoding transcripts and other functions. In hyperdiploid B-ALL, chromosomal gains are acquired early and synchronously before ultraviolet-induced mutation. By contrast, ultraviolet-induced mutations precede chromosomal gains in B-ALL cases with intrachromosomal amplification of chromosome 21. We also demonstrate the prognostic significance of genetic alterations within subtypes. Intriguingly, DUX4- and KMT2A-rearranged subtypes separate into CEBPA/FLT3- or NFATC4-expressing subgroups with potential clinical implications. Together, these results deepen understanding of the ALL genomic landscape and associated outcomes.
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Affiliation(s)
- Samuel W Brady
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Kathryn G Roberts
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Zhaohui Gu
- Department of Computational and Quantitative Medicine & Systems Biology, Beckman Research Institute of City of Hope, Duarte, CA, USA
| | - Lei Shi
- Department of Biostatistics, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Stanley Pounds
- Department of Biostatistics, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Deqing Pei
- Department of Biostatistics, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Cheng Cheng
- Department of Biostatistics, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Yunfeng Dai
- Department of Biostatistics, University of Florida, Gainesville, FL, USA
| | - Meenakshi Devidas
- Department of Global Pediatric Medicine, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Chunxu Qu
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Ashley N Hill
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Debbie Payne-Turner
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Xiaotu Ma
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Ilaria Iacobucci
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Pradyuamna Baviskar
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Lei Wei
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Sasi Arunachalam
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Kohei Hagiwara
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Yanling Liu
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Diane A Flasch
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Yu Liu
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Matthew Parker
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Xiaolong Chen
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Abdelrahman H Elsayed
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN, USA
- Department of Biostatistics, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Omkar Pathak
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Yongjin Li
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Yiping Fan
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - J Robert Michael
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Michael Rusch
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Mark R Wilkinson
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Scott Foy
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Dale J Hedges
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Scott Newman
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Xin Zhou
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Jian Wang
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Colleen Reilly
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Edgar Sioson
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Stephen V Rice
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Victor Pastor Loyola
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Gang Wu
- Center for Applied Bioinformatics, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Evadnie Rampersaud
- Center for Applied Bioinformatics, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Shalini C Reshmi
- Institute for Genomic Medicine, Nationwide Children's Hospital, Columbus, OH, USA
| | | | - Jaime M Guidry Auvil
- Office of Cancer Genomics, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
- Office of Data Sharing, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Patee Gesuwan
- Office of Cancer Genomics, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Malcolm A Smith
- Cancer Therapeutics Evaluation Program, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Naomi Winick
- Department of Pediatric Hematology Oncology and Simmons Cancer Center, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Andrew J Carroll
- Department of Genetics, University of Alabama at Birmingham, Birmingham, AL, USA
| | | | - Richard C Harvey
- Department of Pathology, University of New Mexico Cancer Center, Albuquerque, NM, USA
| | | | - Eric Larsen
- Department of Pediatrics, Maine Children's Cancer Program, Scarborough, ME, USA
| | - Elizabeth A Raetz
- Department of Pediatrics and Perlmutter Cancer Center, New York University Langone Medical Center, New York, NY, USA
| | - Michael J Borowitz
- Department of Pathology, Johns Hopkins Medical Institutions, Baltimore, MD, USA
| | - Brent L Wood
- Department of Pathology and Laboratory Medicine, Children's Hospital Los Angeles, University of Southern California, Los Angeles, CA, USA
| | - William L Carroll
- Department of Pediatrics and Perlmutter Cancer Center, New York University Langone Medical Center, New York, NY, USA
| | | | - Karen R Rabin
- Department of Pediatrics, Baylor College of Medicine, Houston, TX, USA
| | | | - Kelly W Maloney
- Department of Pediatrics and Children's Hospital Colorado, University of Colorado, Aurora, CO, USA
| | - Stuart S Winter
- Children's Minnesota Research Institute and Cancer and Blood Disorders Program, Minneapolis, MN, USA
| | - Michael J Burke
- Division of Pediatric Hematology-Oncology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Wanda Salzer
- Uniformed Services University, School of Medicine, Bethesda, MD, USA
| | | | | | - Kristine R Crews
- Department of Pharmacy and Pharmaceutical Sciences, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - James R Downing
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Sima Jeha
- Department of Oncology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Ching-Hon Pui
- Department of Oncology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - William E Evans
- Department of Pharmacy and Pharmaceutical Sciences, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Jun J Yang
- Department of Pharmacy and Pharmaceutical Sciences, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Mary V Relling
- Department of Pharmacy and Pharmaceutical Sciences, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Daniela S Gerhard
- Office of Cancer Genomics, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Mignon L Loh
- Department of Pediatrics, Benioff Children's Hospital and Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA, USA
| | - Stephen P Hunger
- Department of Pediatrics and the Center for Childhood Cancer Research, Children's Hospital of Philadelphia and the Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA.
| | - Jinghui Zhang
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA.
| | - Charles G Mullighan
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN, USA.
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12
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Indications for haematopoietic cell transplantation for haematological diseases, solid tumours and immune disorders: current practice in Europe, 2022. Bone Marrow Transplant 2022; 57:1217-1239. [PMID: 35589997 PMCID: PMC9119216 DOI: 10.1038/s41409-022-01691-w] [Citation(s) in RCA: 128] [Impact Index Per Article: 64.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 04/15/2022] [Accepted: 04/20/2022] [Indexed: 12/17/2022]
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13
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Kośmider K, Karska K, Kozakiewicz A, Lejman M, Zawitkowska J. Overcoming Steroid Resistance in Pediatric Acute Lymphoblastic Leukemia-The State-of-the-Art Knowledge and Future Prospects. Int J Mol Sci 2022; 23:ijms23073795. [PMID: 35409154 PMCID: PMC8999045 DOI: 10.3390/ijms23073795] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Revised: 03/20/2022] [Accepted: 03/28/2022] [Indexed: 12/13/2022] Open
Abstract
Acute lymphoblastic leukemia (ALL) is the most common malignancy among children. Despite the enormous progress in ALL therapy, resulting in achieving a 5-year survival rate of up to 90%, the ambitious goal of reaching a 100% survival rate is still being pursued. A typical ALL treatment includes three phases: remission induction and consolidation and maintenance, preceded by a prednisone prephase. Poor prednisone response (PPR) is defined as the presence of ≥1.0 × 109 blasts/L in the peripheral blood on day eight of therapy and results in significantly frequent relapses and worse outcomes. Hence, identifying risk factors of steroid resistance and finding methods of overcoming that resistance may significantly improve patients' outcomes. A mitogen-activated protein kinase/extracellular signal-regulated kinase (MAPK-ERK) pathway seems to be a particularly attractive target, as its activation leads to steroid resistance via a phosphorylating Bcl-2-interacting mediator of cell death (BIM), which is crucial in the steroid-induced cell death. Several mutations causing activation of MAPK-ERK were discovered, notably the interleukin-7 receptor (IL-7R) pathway mutations in T-cell ALL and rat sarcoma virus (Ras) pathway mutations in precursor B-cell ALL. MAPK-ERK pathway inhibitors were demonstrated to enhance the results of dexamethasone therapy in preclinical ALL studies. This report summarizes steroids' mechanism of action, resistance to treatment, and prospects of steroids therapy in pediatric ALL.
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Affiliation(s)
- Kamil Kośmider
- Student Scientific Society, Laboratory of Genetic Diagnostics, Medical University of Lublin, Gębali 6, 20-093 Lublin, Poland; (K.K.); (A.K.)
| | - Katarzyna Karska
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, Gębali 6, 20-093 Lublin, Poland;
| | - Agata Kozakiewicz
- Student Scientific Society, Laboratory of Genetic Diagnostics, Medical University of Lublin, Gębali 6, 20-093 Lublin, Poland; (K.K.); (A.K.)
| | - Monika Lejman
- Laboratory of Genetic Diagnostics, Medical University of Lublin, Gębali 6, 20-093 Lublin, Poland;
| | - Joanna Zawitkowska
- Department of Pediatric Hematology, Oncology and Transplantology, Medical University of Lublin, Gębali 6, 20-093 Lublin, Poland;
- Correspondence:
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14
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Moorman AV, Barretta E, Butler ER, Ward EJ, Twentyman K, Kirkwood AA, Enshaei A, Schwab C, Creasey T, Leongamornlert D, Papaemmanuil E, Patrick P, Clifton-Hadley L, Patel B, Menne T, McMillan AK, Harrison CJ, Rowntree CJ, Marks DI, Fielding AK. Prognostic impact of chromosomal abnormalities and copy number alterations in adult B-cell precursor acute lymphoblastic leukaemia: a UKALL14 study. Leukemia 2022; 36:625-636. [PMID: 34657128 PMCID: PMC8885405 DOI: 10.1038/s41375-021-01448-2] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 09/29/2021] [Accepted: 09/30/2021] [Indexed: 12/22/2022]
Abstract
Chromosomal abnormalities are established prognostic markers in adult ALL. We assessed the prognostic impact of established chromosomal abnormalities and key copy number alterations (CNA) among 652 patients with B-cell precursor ALL treated on a modern MRD driven protocol. Patients with KMT2A-AFF1, complex karyotype (CK) and low hypodiploidy/near-triploidy (HoTr) had high relapse rates 50%, 60% & 53% and correspondingly poor survival. Patients with BCR-ABL1 had an outcome similar to other patients. JAK-STAT abnormalities (CRLF2, JAK2) occurred in 6% patients and were associated with a high relapse rate (56%). Patients with ABL-class fusions were rare (1%). A small group of patients with ZNF384 fusions (n = 12) had very good survival. CNA affecting IKZF1, CDKN2A/B, PAX5, BTG1, ETV6, EBF1, RB1 and PAR1 were assessed in 436 patients. None of the individual deletions or profiles were associated with survival, either in the cohort overall or within key subgroups. Collectively these data indicate that primary genetic abnormalities are stronger prognostic markers than secondary deletions. We propose a revised UKALL genetic risk classification based on key established chromosomal abnormalities: (1) very high risk: CK, HoTr or JAK-STAT abnormalities; (2) high risk: KMT2A fusions; (3) Tyrosine kinase activating: BCR-ABL1 and ABL-class fusions; (4) standard risk: all other patients.
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Affiliation(s)
- Anthony V Moorman
- Leukaemia Research Cytogenetics Group, Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK.
| | - Emilio Barretta
- Leukaemia Research Cytogenetics Group, Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Ellie R Butler
- Leukaemia Research Cytogenetics Group, Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Eleanor J Ward
- Leukaemia Research Cytogenetics Group, Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Katie Twentyman
- Leukaemia Research Cytogenetics Group, Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Amy A Kirkwood
- Cancer Research UK & UCL Cancer Trials Centre, UCL Cancer Institute, University College London, London, UK
| | - Amir Enshaei
- Leukaemia Research Cytogenetics Group, Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Claire Schwab
- Leukaemia Research Cytogenetics Group, Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Tom Creasey
- Leukaemia Research Cytogenetics Group, Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
| | | | | | - Pip Patrick
- Cancer Research UK & UCL Cancer Trials Centre, UCL Cancer Institute, University College London, London, UK
| | - Laura Clifton-Hadley
- Cancer Research UK & UCL Cancer Trials Centre, UCL Cancer Institute, University College London, London, UK
| | - Bela Patel
- Department of Haematology, Queen Mary University of London, London, UK
| | - Tobias Menne
- Department of Haematology, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
| | - Andrew K McMillan
- Department of Haematology, Nottingham University Hospital NHS Trust, Nottingham, UK
| | - Christine J Harrison
- Leukaemia Research Cytogenetics Group, Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Clare J Rowntree
- Department of Haematology, Cardiff And Vale University Health Board, Cardiff, UK
| | - David I Marks
- Department of Haematology, University Hospitals Bristol NHS Foundation Trust, Bristol, UK
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15
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Yuan Y, Li J, Xue TL, Hu HR, Lin W, Liu SG, Zhang RD, Zheng HY, Gao C. Prognostic significance of NOTCH1/FBXW7 mutations in pediatric T cell acute lymphoblastic leukemia: a study of minimal residual disease risk-directed CCLG-ALL 2008 treatment protocol. Leuk Lymphoma 2022; 63:1624-1633. [DOI: 10.1080/10428194.2022.2032033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Yuan Yuan
- Hematology Center, Beijing Key Laboratory of Pediatric Hematology Oncology, National Key Discipline of Pediatrics (Capital Medical University), Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing Children’s Hospital, National Center for Children’s Health, Beijing, PR China
| | - Jun Li
- Hematologic Disease Laboratory, Hematology Center, Beijing Key Laboratory of Pediatric Hematology Oncology, National Key Discipline of Pediatrics (Capital Medical University), Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing Pediatric Research Institute, Beijing Children’s Hospital, National Center for Children’s Health, Beijing, PR China
| | - Tian-Lin Xue
- Hematologic Disease Laboratory, Hematology Center, Beijing Key Laboratory of Pediatric Hematology Oncology, National Key Discipline of Pediatrics (Capital Medical University), Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing Pediatric Research Institute, Beijing Children’s Hospital, National Center for Children’s Health, Beijing, PR China
| | - Hai-Rui Hu
- Hematology Center, Beijing Key Laboratory of Pediatric Hematology Oncology, National Key Discipline of Pediatrics (Capital Medical University), Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing Children’s Hospital, National Center for Children’s Health, Beijing, PR China
| | - Wei Lin
- Hematology Center, Beijing Key Laboratory of Pediatric Hematology Oncology, National Key Discipline of Pediatrics (Capital Medical University), Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing Children’s Hospital, National Center for Children’s Health, Beijing, PR China
| | - Shu-Guang Liu
- Hematologic Disease Laboratory, Hematology Center, Beijing Key Laboratory of Pediatric Hematology Oncology, National Key Discipline of Pediatrics (Capital Medical University), Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing Pediatric Research Institute, Beijing Children’s Hospital, National Center for Children’s Health, Beijing, PR China
| | - Rui-Dong Zhang
- Hematology Center, Beijing Key Laboratory of Pediatric Hematology Oncology, National Key Discipline of Pediatrics (Capital Medical University), Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing Children’s Hospital, National Center for Children’s Health, Beijing, PR China
| | - Hu-Yong Zheng
- Hematology Center, Beijing Key Laboratory of Pediatric Hematology Oncology, National Key Discipline of Pediatrics (Capital Medical University), Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing Children’s Hospital, National Center for Children’s Health, Beijing, PR China
| | - Chao Gao
- Hematologic Disease Laboratory, Hematology Center, Beijing Key Laboratory of Pediatric Hematology Oncology, National Key Discipline of Pediatrics (Capital Medical University), Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing Pediatric Research Institute, Beijing Children’s Hospital, National Center for Children’s Health, Beijing, PR China
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16
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Taj MM, Moorman AV, Hamadeh L, Petit A, Asnafi V, Alby-Laurent F, Vora A, Mansour MR, Gale R, Chevret S, Moppett J, Baruchel A, Macintyre E. Prognostic value of Oncogenetic mutations in pediatric T Acute Lymphoblastic Leukemia: a comparison of UKALL2003 and FRALLE2000T protocols. Leukemia 2022; 36:263-266. [PMID: 34183766 DOI: 10.1038/s41375-021-01334-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 02/10/2021] [Accepted: 06/16/2021] [Indexed: 11/09/2022]
Affiliation(s)
- Mary M Taj
- Royal Marsden Hospital, NHS Foundation Trust, London, UK
| | - Anthony V Moorman
- Leukaemia Research Cytogenetics Group, Clinical and Translational Research Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Lina Hamadeh
- Leukaemia Research Cytogenetics Group, Clinical and Translational Research Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Arnaud Petit
- Department of Pediatric Hematology and Oncology, AP-HP Hôpital Armand Trousseau, Sorbonne Université, UMRS_938, CDR Saint-Antoine, Paris, France
| | - Vahid Asnafi
- Laboratory of Onco-Hematology, AP-HP Hôpital Necker-Enfants Malades, Université de Paris and Institut Necker-Enfants Malades, Paris, France
| | - Fanny Alby-Laurent
- Department of Pediatric Hematology and Oncology, AP-HP Hôpital Armand Trousseau, Sorbonne Université, UMRS_938, CDR Saint-Antoine, Paris, France
| | - Ajay Vora
- Great Ormond Street Hospital, London, UK
| | | | - Rosemary Gale
- University College London Cancer Institute, London, UK
| | | | - John Moppett
- University Hospitals Bristol and Weston, Bristol, UK
| | - André Baruchel
- Department of Pediatric Hematology, AP-HP, Hôpital Universitaire Robert Debré, EA 3518, Université de Paris, Paris, France
| | - Elizabeth Macintyre
- Laboratory of Onco-Hematology, AP-HP Hôpital Necker-Enfants Malades, Université de Paris and Institut Necker-Enfants Malades, Paris, France.
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17
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Whole-transcriptome analysis in acute lymphoblastic leukemia: a report from the DFCI ALL Consortium Protocol 16-001. Blood Adv 2021; 6:1329-1341. [PMID: 34933343 PMCID: PMC8864659 DOI: 10.1182/bloodadvances.2021005634] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Accepted: 11/27/2021] [Indexed: 11/25/2022] Open
Abstract
RNA-seq is feasible in the context of a prospective clinical trial for de novo ALL within a clinically sensitive turnaround time. RNA-seq identified several genetic alterations not detected by conventional methods that confer potential prognostic and therapeutic impact.
The molecular hallmark of childhood acute lymphoblastic leukemia (ALL) is characterized by recurrent, prognostic genetic alterations, many of which are cryptic by conventional cytogenetics. RNA sequencing (RNA-seq) is a powerful next-generation sequencing technology that can simultaneously identify cryptic gene rearrangements, sequence mutations and gene expression profiles in a single assay. We examined the feasibility and utility of incorporating RNA-seq into a prospective multicenter phase 3 clinical trial for children with newly diagnosed ALL. The Dana-Farber Cancer Institute ALL Consortium Protocol 16-001 enrolled 173 patients with ALL who consented to optional studies and had samples available for RNA-seq. RNA-seq identified at least 1 alteration in 157 patients (91%). Fusion detection was 100% concordant with results obtained from conventional cytogenetic analyses. An additional 56 gene fusions were identified by RNA-seq, many of which confer prognostic or therapeutic significance. Gene expression profiling enabled further molecular classification into the following B-cell ALL (B-ALL) subgroups: high hyperdiploid (n = 36), ETV6-RUNX1/-like (n = 31), TCF3-PBX1 (n = 7), KMT2A-rearranged (KMT2A-R; n = 5), intrachromosomal amplification of chromosome 21 (iAMP21) (n = 1), hypodiploid (n = 1), Philadelphia chromosome (Ph)-positive/Ph-like (n = 16), DUX4-R (n = 11), PAX5 alterations (PAX5 alt; n = 11), PAX5 P80R (n = 1), ZNF384-R (n = 4), NUTM1-R (n = 1), MEF2D-R (n = 1), and others (n = 10). RNA-seq identified 141 nonsynonymous mutations in 93 patients (54%); the most frequent were RAS-MAPK pathway mutations. Among 79 patients with both low-density array and RNA-seq data for the Philadelphia chromosome-like gene signature prediction, results were concordant in 74 patients (94%). In conclusion, RNA-seq identified several clinically relevant genetic alterations not detected by conventional methods, which supports the integration of this technology into front-line pediatric ALL trials. This trial was registered at www.clinicaltrials.gov as #NCT03020030.
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18
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Shiraz P, Jehangir W, Agrawal V. T-Cell Acute Lymphoblastic Leukemia-Current Concepts in Molecular Biology and Management. Biomedicines 2021; 9:1621. [PMID: 34829849 PMCID: PMC8615775 DOI: 10.3390/biomedicines9111621] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Revised: 10/31/2021] [Accepted: 11/02/2021] [Indexed: 01/13/2023] Open
Abstract
T-cell acute lymphoblastic leukemia (T-ALL) is an uncommon, yet aggressive leukemia that accounts for approximately one-fourth of acute lymphoblastic leukemia (ALL) cases. CDKN2A/CDKN2B and NOTCH1 are the most common mutated genes in T-ALL. Children and young adults are treated with pediatric intensive regimens and have superior outcomes compared to older adults. In children and young adults, Nelarabine added to frontline chemotherapy improves outcomes and end of consolidation measurable residual disease has emerged as the most valuable prognostic marker. While outcomes for de-novo disease are steadily improving, patients with relapsed and refractory T-ALL fare poorly. Newer targeted therapies are being studied in large clinical trials and have the potential to further improve outcomes. The role of allogeneic stem cell transplant (HSCT) is evolving due to the increased use of pediatric-inspired regimens and MRD monitoring. In this review we will discuss the biology, treatment, and outcomes in pediatric and adult T-ALL.
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Affiliation(s)
- Parveen Shiraz
- Blood and Marrow Transplantation/Cell Therapy, Stanford University, Stanford, CA 94305, USA
| | - Waqas Jehangir
- Avera Medical Group Hematology, Transplant & Cellular Therapy, Sioux Falls, SD 57105, USA;
| | - Vaibhav Agrawal
- Department of Hematology & Hematopoietic Cell Transplantation, City of Hope National Medical Center, Duarte, CA 91010, USA;
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19
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Aleem A, Haque AR, Roloff GW, Griffiths EA. Application of Next-Generation Sequencing-Based Mutational Profiling in Acute Lymphoblastic Leukemia. Curr Hematol Malig Rep 2021; 16:394-404. [PMID: 34613552 DOI: 10.1007/s11899-021-00641-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/03/2021] [Indexed: 10/20/2022]
Abstract
PURPOSE OF REVIEW Recent efforts to characterize hematologic cancers with genetic and molecular detail have largely relied on mutational profiling via next-generation sequencing (NGS). The application of NGS-guided disease prognostication and clinical decision making requires a basic understanding of sequencing advantages, pitfalls, and areas where clinical care might be enhanced by the knowledge generated. This article identifies avenues within the landscape of adult acute lymphoblastic leukemia (ALL) where mutational data hold the opportunity to enhance understanding of disease biology and patient care. RECENT FINDINGS NGS-based assessment of measurable residual disease (MRD) after ALL treatment allows for a sensitive and specific molecular survey that is at least comparable, if not superior, to existing techniques. Mutational assessment by NGS has unraveled complex signaling networks that drive pathogenesis of T-cell ALL. Sequencing of patients with familial clustering of ALL has also identified novel germline mutations whose inheritance predisposes to disease development in successive generations. While NGS-based assessment of hematopoietic malignancies often provides actionable information to clinicians, patients with acute lymphoblastic leukemia are left underserved due to a lack of disease classification and prognostication schema that integrate molecular data. Ongoing research is positioned to enrich the molecular toolbox available to clinicians caring for adult ALL patients and deliver new insights to guide therapeutic selection, monitor clinical response, and detect relapse.
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Affiliation(s)
- Ahmed Aleem
- Department of Medicine, Loyola University Medical Center, 2160 S. 1st Ave, Maywood, IL, 60153, USA
| | - Ali R Haque
- Department of Medicine, Loyola University Medical Center, 2160 S. 1st Ave, Maywood, IL, 60153, USA
| | - Gregory W Roloff
- Department of Medicine, Loyola University Medical Center, 2160 S. 1st Ave, Maywood, IL, 60153, USA.
| | - Elizabeth A Griffiths
- Leukemia Service, Department of Medicine, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
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20
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Toward Pediatric T Lymphoblastic Lymphoma Stratification Based on Minimal Disseminated Disease and NOTCH1/FBXW7 Status. Hemasphere 2021; 5:e641. [PMID: 34514345 PMCID: PMC8423389 DOI: 10.1097/hs9.0000000000000641] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Accepted: 08/12/2021] [Indexed: 12/05/2022] Open
Abstract
While outcome for pediatric T lymphoblastic lymphoma (T-LL) has improved with acute leukemia-type therapy, survival after relapse remains rare. Few prognostic markers have been identified: NOTCH1 and/or FBXW7 (N/F) mutations identify good prognosis T-LL and high-level minimal disseminated disease (MDD) is reported to be of poor prognosis. We evaluated MDD and/or MRD status by 8-color flow cytometry and/or digital droplet PCR in 82 pediatric T-LL treated according to the EURO-LB02 prednisone reference arm. Both techniques gave identical results for values ≥0.1%, allowing compilation. Unlike historical studies, an MDD threshold of 1% had no prognostic significance. The 54% (42/78) of patients with MDD ≥0.1% had a relatively favorable outcome (5-y overall survival [OS] 97.6% versus 80.6%, P = 0.015, 5-y event-free-survival [EFS] 95.2% versus 80.6%, P = 0.049). MDD lower than 0.1% had no impact in N/F mutated T-LL, but identified the N/F germline patient with a high risk of relapse. Combining oncogenetic and MDD status identified 86% of patients (n = 49) with an excellent outcome and 14% of N/F germline/MDD <0.1% patients (n = 8) with poor prognosis (5y-OS 95.9% versus 37.5%, P < 0.001; 5y-EFS 93.9% versus 37.5%, P < 0.001). If confirmed by prospective studies, MDD and N/F mutational status would allow identification of a subset of patients who merit consideration for alternative front-line treatment.
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21
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IKZF1 alterations predict poor prognosis in adult and pediatric T-ALL. Blood 2021; 137:1690-1694. [PMID: 33150353 DOI: 10.1182/blood.2020007959] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Accepted: 10/17/2020] [Indexed: 02/07/2023] Open
Abstract
Patient outcomes in T-cell acute lymphoblastic leukemia and lymphoblastic lymphoma (T-ALL/LBL) can be difficult to predict. Simonin et al report deletions and mutations in the gene encoding the transcription factor IKAROS among 1260 children and adults with immature T-ALL/LBL, defining its frequency and, importantly, its association with poor outcome in multivariate models. Pathogenic alterations in IKZF1 now can be added to minimal residual disease detection and the established 4-gene oncogenetic classifier to better predict poor outcomes of T-ALL/LBL.
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22
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T-Cell Acute Lymphoblastic Leukemia in a Young Adult With Thrombocytopenia-absent Radius Syndrome: A Case Report and Review of the Literature. J Pediatr Hematol Oncol 2021; 43:232-235. [PMID: 32815886 DOI: 10.1097/mph.0000000000001919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Accepted: 06/08/2020] [Indexed: 11/26/2022]
Abstract
Thrombocytopenia-absent radius (TAR) syndrome is a rare inherited bone marrow failure syndrome not generally associated with acute leukemia. The authors report a case of T-cell acute lymphoblastic leukemia in an adult female individual newly diagnosed with TAR syndrome. A 347-kb microdeletion of chromosome 1q21.1 involving the RBM8A gene was detected within a gain of whole chromosome 1. Next-generation sequencing on fibroblasts confirmed germline heterozygous deletion of RBM8A but on the other allele, noncoding low-frequency regulatory single-nucleotide polymorphism of RBM8A (rs139428292; rs201779890) were not found. The tolerance of the treatment was unusual and mostly marked by a slow hematopoietic recovery leading to a 6-month delay at the beginning of the maintenance phase. Only 5 cases of acute leukemia were reported in patients with TAR syndrome in the literature: 4 acute myeloid leukemia and one B-cell acute lymphoblastic leukemia. This is the first report of T-cell acute lymphoid leukemia occurring in the context of TAR syndrome.
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23
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T-Cell Acute Lymphoblastic Leukemia: Biomarkers and Their Clinical Usefulness. Genes (Basel) 2021; 12:genes12081118. [PMID: 34440292 PMCID: PMC8394887 DOI: 10.3390/genes12081118] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2021] [Revised: 07/17/2021] [Accepted: 07/20/2021] [Indexed: 12/11/2022] Open
Abstract
T-cell acute lymphoblastic leukemias (T-ALL) are immature lymphoid tumors localizing in the bone marrow, mediastinum, central nervous system, and lymphoid organs. They account for 10-15% of pediatric and about 25% of adult acute lymphoblastic leukemia (ALL) cases. It is a widely heterogeneous disease that is caused by the co-occurrence of multiple genetic abnormalities, which are acquired over time, and once accumulated, lead to full-blown leukemia. Recurrently affected genes deregulate pivotal cell processes, such as cycling (CDKN1B, RB1, TP53), signaling transduction (RAS pathway, IL7R/JAK/STAT, PI3K/AKT), epigenetics (PRC2 members, PHF6), and protein translation (RPL10, CNOT3). A remarkable role is played by NOTCH1 and CDKN2A, as they are altered in more than half of the cases. The activation of the NOTCH1 signaling affects thymocyte specification and development, while CDKN2A haploinsufficiency/inactivation, promotes cell cycle progression. Among recurrently involved oncogenes, a major role is exerted by T-cell-specific transcription factors, whose deregulated expression interferes with normal thymocyte development and causes a stage-specific differentiation arrest. Hence, TAL and/or LMO deregulation is typical of T-ALL with a mature phenotype (sCD3 positive) that of TLX1, NKX2-1, or TLX3, of cortical T-ALL (CD1a positive); HOXA and MEF2C are instead over-expressed in subsets of Early T-cell Precursor (ETP; immature phenotype) and early T-ALL. Among immature T-ALL, genomic alterations, that cause BCL11B transcriptional deregulation, identify a specific genetic subgroup. Although comprehensive cytogenetic and molecular studies have shed light on the genetic background of T-ALL, biomarkers are not currently adopted in the diagnostic workup of T-ALL, and only a limited number of studies have assessed their clinical implications. In this review, we will focus on recurrent T-ALL abnormalities that define specific leukemogenic pathways and on oncogenes/oncosuppressors that can serve as diagnostic biomarkers. Moreover, we will discuss how the complex genomic profile of T-ALL can be used to address and test innovative/targeted therapeutic options.
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24
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Chen Z, Yang F, Liu H, Fan F, Lin Y, Zhou J, Cai Y, Zhang X, Wu Y, Mao R, Zhang T. Identification of a nomogram based on an 8-lncRNA signature as a novel diagnostic biomarker for childhood acute lymphoblastic leukemia. Aging (Albany NY) 2021; 13:15548-15568. [PMID: 34106877 PMCID: PMC8221355 DOI: 10.18632/aging.203116] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Accepted: 05/21/2021] [Indexed: 12/27/2022]
Abstract
Childhood acute lymphoblastic leukemia (cALL) still represents a major cause of disease-related death in children. This study aimed to explore the prognostic value of long non-coding RNAs (lncRNAs) in cALL. We downloaded lncRNA expression profiles from the TARGET and GEO databases. Univariate, least absolute shrinkage and selection operator (LASSO) and multivariate Cox regression analyses were applied to identify lncRNA-based signatures. We identified an eight-lncRNA signature (LINC00630, HDAC2-AS2, LINC01278, AL356599.1, AC114490.1, AL132639.3, FUT8.AS1, and TTC28.AS1), which separated the patients into two groups with significantly different overall survival rates. A nomogram based on the signature, BCR ABL1 status and white blood cell count at diagnosis was developed and showed good accuracy for predicting the 3-, 5- and 7-year survival probability of cALL patients. The C-index values of the nomogram in the training and internal validation set reached 0.8 (95% CI, 0.757 to 0.843) and 0.806 (95% CI, 0.728 to 0.884), respectively. The nomogram proposed in this study objectively and accurately predicted the prognosis of cALL. In vitro experiments suggested that LINC01278 promoted the proliferation of leukemic cells and inhibited leukemic cell apoptosis by targeting the inhibition of miR-500b-3p in cALL, and LINC01278 may be a biological target for the treatment of cALL in the future.
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Affiliation(s)
- Zhang Chen
- Affiliated Hospital of Southwest Jiaotong University, Chengdu 610036, China
| | - Fan Yang
- Emergency Department, Peking University Third Hospital, Peking University School of Medicine, Beijing 100083, China
| | - Hui Liu
- Department of Neurology, General Hospital of Western Theater Command, Chengdu 610500, China
| | - Fan Fan
- Department of Neurology, General Hospital of Western Theater Command, Chengdu 610500, China
| | - Yanggang Lin
- Affiliated Hospital of Southwest Jiaotong University, Chengdu 610036, China
| | - Jinhua Zhou
- Affiliated Hospital of Southwest Jiaotong University, Chengdu 610036, China
| | - Yun Cai
- Department of Orthopedics, General Hospital of Western Theater Command, Chengdu 610083, China
| | - Xiaoxiao Zhang
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu 610041, China
| | - Yingxin Wu
- Center of Gastrointestinal and Minimally Invasive Surgery, Department of General Surgery, The Third People's Hospital of Chengdu, Affiliated Hospital of Southwest Jiaotong University and The Second Affiliated Hospital of Chengdu, Chongqing Medical University, Chengdu 610031, China
| | - Rui Mao
- Affiliated Hospital of Southwest Jiaotong University, Chengdu 610036, China.,Center of Gastrointestinal and Minimally Invasive Surgery, Department of General Surgery, The Third People's Hospital of Chengdu, Affiliated Hospital of Southwest Jiaotong University and The Second Affiliated Hospital of Chengdu, Chongqing Medical University, Chengdu 610031, China
| | - Tongtong Zhang
- Medical Research Center, The Third People's Hospital of Chengdu, The Second Chengdu Hospital Affiliated to Chongqing Medical University, Chengdu 610031, China
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25
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Arslan S, Pullarkat V, Aldoss I. Indications for Allogeneic HCT in Adults with Acute Lymphoblastic Leukemia in First Complete Remission. Curr Treat Options Oncol 2021; 22:63. [PMID: 34097131 DOI: 10.1007/s11864-021-00860-1] [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] [Accepted: 03/31/2021] [Indexed: 01/12/2023]
Abstract
OPINION STATEMENT Acute lymphoblastic leukemia (ALL) in adults is associated with poor outcomes as compared to children when treated with chemotherapy, leading to a considerably inferior cure rate. Historically, consolidation with allogeneic hematopoietic cell transplant (alloHCT) was routinely recommended for eligible adults with ALL in first complete remission (CR1) if a donor was available, since randomized studies showed superiority over continuing chemotherapy. With the increasing use of pediatric-inspired frontline regimens in young adults with ALL and the availability of novel salvage agents for relapsed/refractory B-cell ALL that have high potential in inducing a second CR, the role of early alloHCT in the treatment paradigm for ALL needs to be reevaluated, and the decision should be individualized for each patient. Simultaneously, alloHCT has evolved considerably lately, and historical randomized studies that have proven the benefit of alloHCT in adults with ALL in CR1 did not included the increasing use of reduced intensity conditioning and haploidentical transplants, and therefore, data may not entirely apply. Nowadays, detectable minimal residual disease (MRD) is the most prognostic determinant of ALL outcome and should be a major consideration in the decision to perform alloHcT in CR1. Nonetheless, other biological and clinical factors remain relevant and can support the complex decision-making. Such factors include high-risk leukemia genetics, the type of administered chemotherapy regimen and the ability of the patient to tolerate all key components of the regimen, and the availability of effective salvage therapies that allow alloHCT to be performed in CR2 in case of relapse after chemotherapy.
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Affiliation(s)
- Shukaib Arslan
- Gehr Family Center for Leukemia Research, Department of Hematology and Hematopoietic Cell Transplantation, City of Hope National Medical Center, Duarte, CA, USA
| | - Vinod Pullarkat
- Gehr Family Center for Leukemia Research, Department of Hematology and Hematopoietic Cell Transplantation, City of Hope National Medical Center, Duarte, CA, USA
| | - Ibrahim Aldoss
- Gehr Family Center for Leukemia Research, Department of Hematology and Hematopoietic Cell Transplantation, City of Hope National Medical Center, Duarte, CA, USA.
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26
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Simonin M, Schmidt A, Bontoux C, Dourthe MÉ, Lengliné E, Andrieu GP, Lhermitte L, Graux C, Grardel N, Cayuela JM, Huguet F, Arnoux I, Ducassou S, Macintyre E, Gandemer V, Dombret H, Petit A, Ifrah N, Baruchel A, Boissel N, Asnafi V. Oncogenetic landscape and clinical impact of IDH1 and IDH2 mutations in T-ALL. J Hematol Oncol 2021; 14:74. [PMID: 33941203 PMCID: PMC8091755 DOI: 10.1186/s13045-021-01068-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Accepted: 03/25/2021] [Indexed: 11/10/2022] Open
Abstract
IDH1 and IDH2 mutations (IDH1/2Mut) are recognized as recurrent genetic alterations in acute myeloid leukemia (AML) and associated with both clinical impact and therapeutic opportunity due to the recent development of specific IDH1/2Mut inhibitors. In T-cell acute lymphoblastic leukemia (T-ALL), their incidence and prognostic implications remain poorly reported. Our targeted next-generation sequencing approach allowed comprehensive assessment of genotype across the entire IDH1 and IDH2 locus in 1085 consecutive unselected and newly diagnosed patients with T-ALL and identified 4% of, virtually exclusive (47 of 49 patients), IDH1/2Mut. Mutational patterns of IDH1/2Mut in T-ALL present some specific features compared to AML. Whereas IDH2R140Q mutation was frequent in T-ALL (25 of 51 mutations), the IDH2R172 AML hotspot was absent. IDH2 mutations were associated with older age, an immature phenotype, more frequent RAS gain-of-function mutations and epigenetic regulator loss-of-function alterations (DNMT3A and TET2). IDH2 mutations, contrary to IDH1 mutations, appeared to be an independent prognostic factor in multivariate analysis with the NOTCH1/FBXW7/RAS/PTEN classifier. IDH2Mut were significantly associated with a high cumulative incidence of relapse and very dismal outcome, suggesting that IDH2-mutated T-ALL cases should be identified at diagnosis in order to benefit from therapeutic intensification and/or specific IDH2 inhibitors.
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Affiliation(s)
- Mathieu Simonin
- Laboratory of Onco-Hematology, Assistance Publique-Hôpitaux de Paris (AP-HP), Hôpital Necker Enfants-Malades, Université de Paris, 149 rue de Sèvres, 75015, Paris, France.,Department of Pediatric Hematology and Oncology, Assistance Publique-Hôpitaux de Paris (AP-HP), Armand Trousseau Hospital, Sorbonne Université, Paris, France.,Institut Necker-Enfants Malades (INEM), Institut National de la Santé et de la Recherche Médicale (Inserm) U1151, Paris, France
| | - Aline Schmidt
- PRES LUNAM, CHU Angers service des Maladies du Sang, INSERM U 892, Angers, France
| | - Christophe Bontoux
- Laboratory of Onco-Hematology, Assistance Publique-Hôpitaux de Paris (AP-HP), Hôpital Necker Enfants-Malades, Université de Paris, 149 rue de Sèvres, 75015, Paris, France.,Institut Necker-Enfants Malades (INEM), Institut National de la Santé et de la Recherche Médicale (Inserm) U1151, Paris, France
| | - Marie-Émilie Dourthe
- Laboratory of Onco-Hematology, Assistance Publique-Hôpitaux de Paris (AP-HP), Hôpital Necker Enfants-Malades, Université de Paris, 149 rue de Sèvres, 75015, Paris, France.,Institut Necker-Enfants Malades (INEM), Institut National de la Santé et de la Recherche Médicale (Inserm) U1151, Paris, France.,Department of Pediatric Hematology and Immunology, Assistance Publique-Hôpitaux de Paris (AP-HP), Robert Debré Hospital, University Paris Diderot, Paris, France
| | - Etienne Lengliné
- Université Paris Diderot, Institut Universitaire d'Hématologie, EA-3518, Assistance Publique-Hôpitaux de Paris, University Hospital Saint-Louis, Paris, France
| | - Guillaume P Andrieu
- Laboratory of Onco-Hematology, Assistance Publique-Hôpitaux de Paris (AP-HP), Hôpital Necker Enfants-Malades, Université de Paris, 149 rue de Sèvres, 75015, Paris, France.,Institut Necker-Enfants Malades (INEM), Institut National de la Santé et de la Recherche Médicale (Inserm) U1151, Paris, France
| | - Ludovic Lhermitte
- Laboratory of Onco-Hematology, Assistance Publique-Hôpitaux de Paris (AP-HP), Hôpital Necker Enfants-Malades, Université de Paris, 149 rue de Sèvres, 75015, Paris, France.,Institut Necker-Enfants Malades (INEM), Institut National de la Santé et de la Recherche Médicale (Inserm) U1151, Paris, France
| | - Carlos Graux
- Department of Hematology, Université Catholique de Louvain, CHU UCL Namur - site Godinne, Yvoir, Belgium
| | - Nathalie Grardel
- Laboratory of Hematology, CHRU - Inserm U1172, Lille, France.,Inserm U1172, Lille Cedex, France
| | | | - Françoise Huguet
- Department of Hematology, CHRU - Institut Universitaire de Cancer Toulouse - Oncopole, Toulouse, France
| | - Isabelle Arnoux
- Laboratory of Hematology, Marseille University Hospital Timone, Marseille, France
| | - Stéphane Ducassou
- Pediatric Hematology-Oncology Department, Centre Hospitalier Universitaire (CHU), Bordeaux, France
| | - Elizabeth Macintyre
- Laboratory of Onco-Hematology, Assistance Publique-Hôpitaux de Paris (AP-HP), Hôpital Necker Enfants-Malades, Université de Paris, 149 rue de Sèvres, 75015, Paris, France.,Institut Necker-Enfants Malades (INEM), Institut National de la Santé et de la Recherche Médicale (Inserm) U1151, Paris, France
| | - Virginie Gandemer
- Department of Pediatric Hematology and Oncology, University Hospital of Rennes, Rennes, France
| | - Hervé Dombret
- Université Paris Diderot, Institut Universitaire d'Hématologie, EA-3518, Assistance Publique-Hôpitaux de Paris, University Hospital Saint-Louis, Paris, France
| | - Arnaud Petit
- Department of Pediatric Hematology and Oncology, Assistance Publique-Hôpitaux de Paris (AP-HP), Armand Trousseau Hospital, Sorbonne Université, Paris, France
| | - Norbert Ifrah
- PRES LUNAM, CHU Angers service des Maladies du Sang, INSERM U 892, Angers, France
| | - André Baruchel
- Department of Pediatric Hematology and Immunology, Assistance Publique-Hôpitaux de Paris (AP-HP), Robert Debré Hospital, University Paris Diderot, Paris, France
| | - Nicolas Boissel
- Université Paris Diderot, Institut Universitaire d'Hématologie, EA-3518, Assistance Publique-Hôpitaux de Paris, University Hospital Saint-Louis, Paris, France
| | - Vahid Asnafi
- Laboratory of Onco-Hematology, Assistance Publique-Hôpitaux de Paris (AP-HP), Hôpital Necker Enfants-Malades, Université de Paris, 149 rue de Sèvres, 75015, Paris, France. .,Institut Necker-Enfants Malades (INEM), Institut National de la Santé et de la Recherche Médicale (Inserm) U1151, Paris, France.
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27
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Integrated omics approaches to predict T-LBL relapse risk. Blood 2021; 137:2280-2282. [PMID: 33914078 DOI: 10.1182/blood.2020009599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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28
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Tosi M, Spinelli O, Leoncin M, Cavagna R, Pavoni C, Lussana F, Intermesoli T, Frison L, Perali G, Carobolante F, Viero P, Skert C, Rambaldi A, Bassan R. MRD-Based Therapeutic Decisions in Genetically Defined Subsets of Adolescents and Young Adult Philadelphia-Negative ALL. Cancers (Basel) 2021; 13:cancers13092108. [PMID: 33925541 PMCID: PMC8123823 DOI: 10.3390/cancers13092108] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 04/21/2021] [Accepted: 04/22/2021] [Indexed: 12/05/2022] Open
Abstract
Simple Summary In acute lymphoblastic leukemia (ALL), once a complete remission is achieved following induction chemotherapy, the study of submicroscopic minimal residual disease (MRD) represents a highly sensitive tool to assess the efficacy of early chemotherapy courses and predict outcome. Because of the significant therapeutic progress occurred in adolescent and young adult (AYA) ALL, the importance of MRD in this peculiar age setting has grown considerably, to refine individual prognostic scores within different genetic subsets and support specific risk and MRD-oriented programs. The evidence coming from the most recent MRD-based studies and the new therapeutic directions for AYA ALL are critically reviewed according to ALL subset and risk category. Abstract In many clinical studies published over the past 20 years, adolescents and young adults (AYA) with Philadelphia chromosome negative acute lymphoblastic leukemia (Ph− ALL) were considered as a rather homogeneous clinico-prognostic group of patients suitable to receive intensive pediatric-like regimens with an improved outcome compared with the use of traditional adult ALL protocols. The AYA group was defined in most studies by an age range of 18–40 years, with some exceptions (up to 45 years). The experience collected in pediatric ALL with the study of post-induction minimal residual disease (MRD) was rapidly duplicated in AYA ALL, making MRD a widely accepted key factor for risk stratification and risk-oriented therapy with or without allogeneic stem cell transplantation and experimental new drugs for patients with MRD detectable after highly intensive chemotherapy. This combined strategy has resulted in long-term survival rates of AYA patients of 60–80%. The present review examines the evidence for MRD-guided therapies in AYA’s Ph− ALL, provides a critical appraisal of current treatment pitfalls and illustrates the ways of achieving further therapeutic improvement according to the massive knowledge recently generated in the field of ALL biology and MRD/risk/subset-specific therapy
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Affiliation(s)
- Manuela Tosi
- Hematology Unit, Azienda Socio Sanitaria Territoriale (ASST), Ospedale Papa Giovanni XXIII, 24127 Bergamo, Italy; (M.T.); (O.S.); (R.C.); (C.P.); (F.L.); (T.I.); (A.R.)
| | - Orietta Spinelli
- Hematology Unit, Azienda Socio Sanitaria Territoriale (ASST), Ospedale Papa Giovanni XXIII, 24127 Bergamo, Italy; (M.T.); (O.S.); (R.C.); (C.P.); (F.L.); (T.I.); (A.R.)
| | - Matteo Leoncin
- Hematology Unit, Azienda Ulss3 Serenissima, Ospedale dell’Angelo, 30174 Venezia-Mestre, Italy; (M.L.); (L.F.); (G.P.); (F.C.); (P.V.); (C.S.)
| | - Roberta Cavagna
- Hematology Unit, Azienda Socio Sanitaria Territoriale (ASST), Ospedale Papa Giovanni XXIII, 24127 Bergamo, Italy; (M.T.); (O.S.); (R.C.); (C.P.); (F.L.); (T.I.); (A.R.)
| | - Chiara Pavoni
- Hematology Unit, Azienda Socio Sanitaria Territoriale (ASST), Ospedale Papa Giovanni XXIII, 24127 Bergamo, Italy; (M.T.); (O.S.); (R.C.); (C.P.); (F.L.); (T.I.); (A.R.)
| | - Federico Lussana
- Hematology Unit, Azienda Socio Sanitaria Territoriale (ASST), Ospedale Papa Giovanni XXIII, 24127 Bergamo, Italy; (M.T.); (O.S.); (R.C.); (C.P.); (F.L.); (T.I.); (A.R.)
| | - Tamara Intermesoli
- Hematology Unit, Azienda Socio Sanitaria Territoriale (ASST), Ospedale Papa Giovanni XXIII, 24127 Bergamo, Italy; (M.T.); (O.S.); (R.C.); (C.P.); (F.L.); (T.I.); (A.R.)
| | - Luca Frison
- Hematology Unit, Azienda Ulss3 Serenissima, Ospedale dell’Angelo, 30174 Venezia-Mestre, Italy; (M.L.); (L.F.); (G.P.); (F.C.); (P.V.); (C.S.)
| | - Giulia Perali
- Hematology Unit, Azienda Ulss3 Serenissima, Ospedale dell’Angelo, 30174 Venezia-Mestre, Italy; (M.L.); (L.F.); (G.P.); (F.C.); (P.V.); (C.S.)
| | - Francesca Carobolante
- Hematology Unit, Azienda Ulss3 Serenissima, Ospedale dell’Angelo, 30174 Venezia-Mestre, Italy; (M.L.); (L.F.); (G.P.); (F.C.); (P.V.); (C.S.)
| | - Piera Viero
- Hematology Unit, Azienda Ulss3 Serenissima, Ospedale dell’Angelo, 30174 Venezia-Mestre, Italy; (M.L.); (L.F.); (G.P.); (F.C.); (P.V.); (C.S.)
| | - Cristina Skert
- Hematology Unit, Azienda Ulss3 Serenissima, Ospedale dell’Angelo, 30174 Venezia-Mestre, Italy; (M.L.); (L.F.); (G.P.); (F.C.); (P.V.); (C.S.)
| | - Alessandro Rambaldi
- Hematology Unit, Azienda Socio Sanitaria Territoriale (ASST), Ospedale Papa Giovanni XXIII, 24127 Bergamo, Italy; (M.T.); (O.S.); (R.C.); (C.P.); (F.L.); (T.I.); (A.R.)
- Department of Oncology-Hematology, University of Milan, 20122 Milan, Italy
| | - Renato Bassan
- Hematology Unit, Azienda Ulss3 Serenissima, Ospedale dell’Angelo, 30174 Venezia-Mestre, Italy; (M.L.); (L.F.); (G.P.); (F.C.); (P.V.); (C.S.)
- Correspondence: ; Tel.: +39-041-965-7362
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Wang H, Zhou Y, Huang X, Zhang Y, Qian J, Li J, Li C, Li X, Lou Y, Zhu Q, Huang Y, Meng H, Yu W, Tong H, Jin J, Zhu HH. Minimal residual disease level determined by flow cytometry provides reliable risk stratification in adults with T-cell acute lymphoblastic leukaemia. Br J Haematol 2021; 193:1096-1104. [PMID: 33764511 DOI: 10.1111/bjh.17424] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Accepted: 02/28/2021] [Indexed: 01/21/2023]
Abstract
Minimal residual disease (MRD) is an important independent prognostic factor for relapse and survival in acute lymphoblastic leukaemia (ALL). Compared with adult B-cell ALL, reports of adult T-cell ALL (T-ALL) MRD have been scarce and mostly based on molecular methods. We evaluated the prognostic value of multiparameter flow cytometry (FCM)-based MRD at the end of induction (EOI-MRD). The present retrospective study included 94 adult patients with T-ALL. MRD was detected by six- to eight-colour FCM. Patients who were EOI-MRD positive had a higher cumulative incidence of relapse (CIR) (87·6% vs. 38·8%, P = 0·0020), and a lower relapse-free survival (RFS) (5·4% vs. 61·0%, P = 0·0005) and overall survival (OS) (32·7% vs. 69·7%, P < 0·0001) than those who were EOI-MRD negative. Moreover, for patients who received allogeneic haematopoietic stem cell transplantation (allo-HSCT) at their first remission, EOI-MRD positivity was predictive of post-transplant relapse (2-year CIR: 68·2% vs. 4·0%, P = 0·0003). Multivariate analysis showed that EOI-MRD was an independent prognostic factor for CIR [hazard ratio (HR) 2·139, P = 0·046], RFS (HR 2·125, P = 0·048) and OS (HR 2·987, P = 0·017). In conclusion, EOI-MRD based on FCM was an independent prognostic factor for relapse and survival in adult T-ALL. For patients who underwent HSCT, EOI-MRD could be used to identify patients with a high risk of relapse after allo-HSCT.
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Affiliation(s)
- Huanping Wang
- Department of Hematology, School of Medicine, the First Affiliated Hospital, Zhejiang University, Hangzhou, China.,Zhejiang Province Key Laboratory of Hematology Oncology Diagnosis and Treatment, Hangzhou, China
| | - Yile Zhou
- Department of Hematology, School of Medicine, the First Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Xin Huang
- Department of Hematology, School of Medicine, the First Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Yi Zhang
- Department of Hematology, School of Medicine, the First Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Jiejing Qian
- Department of Hematology, School of Medicine, the First Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Jianhu Li
- Department of Hematology, School of Medicine, the First Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Chenying Li
- Department of Hematology, School of Medicine, the First Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Xueying Li
- Department of Hematology, School of Medicine, the First Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Yinjun Lou
- Department of Hematology, School of Medicine, the First Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Qiaoyun Zhu
- Central Laboratory, School of Medicine, the First Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Yujie Huang
- Key Laboratory of Drug Clinical Research and Evaluation Technology of Zhejiang Province, School of Medicine, the First Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Haitao Meng
- Department of Hematology, School of Medicine, the First Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Wenjuan Yu
- Department of Hematology, School of Medicine, the First Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Hongyan Tong
- Department of Hematology, School of Medicine, the First Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Jie Jin
- Department of Hematology, School of Medicine, the First Affiliated Hospital, Zhejiang University, Hangzhou, China.,Zhejiang Province Key Laboratory of Hematology Oncology Diagnosis and Treatment, Hangzhou, China
| | - Hong-Hu Zhu
- Department of Hematology, School of Medicine, the First Affiliated Hospital, Zhejiang University, Hangzhou, China.,Zhejiang Province Key Laboratory of Hematology Oncology Diagnosis and Treatment, Hangzhou, China.,Zhejiang University Cancer Center, Hangzhou, China.,Zhejiang Laboratory for Systems and Precision Medicine, Zhejiang University Medical Center, Hangzhou, China
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Targeted sequencing to identify genetic alterations and prognostic markers in pediatric T-cell acute lymphoblastic leukemia. Sci Rep 2021; 11:769. [PMID: 33436855 PMCID: PMC7804301 DOI: 10.1038/s41598-020-80613-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Accepted: 12/22/2020] [Indexed: 01/06/2023] Open
Abstract
T-cell acute lymphoblastic leukemia (T-ALL) is caused by the accumulation of multiple genetic alterations. To determine the frequency of common genetic mutations and possible prognostic markers in childhood T-ALL, we performed targeted sequencing of 67 genes across 64 cases treated according to Taiwan Pediatric Oncology Group protocols between January 2002 and December 2015. Together, 302 variants were identified in 60 genes including 233 single nucleotide variants and 69 indels. Sixty-four samples had a median number of six genetic lesions each (range 1–17). Thirteen genes had mutation frequencies > 10%, and 5 were > 20%, with the highest being NOTCH1 (70.31%). Protocadherins FAT1 (32.81%) and FAT3 (17.19%), and the ubiquitin ligase component FBXW7 (28.13%) had higher mutation frequencies than previously reported. Other mutation frequencies (PHF6, DNM2, DNMT3A, CNOT3, and WT1) were within previously reported ranges. Three epigenetic-related genes (KMT2D, DNMT3A, and EZH2) were mutated in our cohort. JAK-STAT signaling pathway genes had mutation frequencies of 3–13% and were observed in 23 cases (35.94%). Changes to genes in the ErbB signaling pathway were detected in 20 cases (31.25%). Patients with NOTCH1/FBXW7 mutations and RAS/PTEN germline exhibited better 5-year overall survival rates.
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31
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Abstract
Intense chemotherapy regimens of patients diagnosed with T cell acute lymphoblastic leukemia (T-ALL) have proved successful for improving patient's overall survival, especially in children. But still T-ALL treatment remains challenging, since side effects of chemotherapeutic drugs often worsen patient's quality of life, and relapse rates remain significant. Hence, the availability of experimental animal models capable of recapitulating the biology of human T-ALL is obligatory as a critical tool to explore novel promising therapies directed against specific targets that have been previously validated in in vitro assays. For this purpose, patient-derived xenografts (PDX) of primary human T-ALL are currently of great interest as preclinical models for novel therapeutic strategies toward transition into clinical trials. In this chapter, we describe the lab workflow to perform PDX assays, from the initial processing of patient T-ALL samples, genetic in vitro modifications of leukemic cells by lentiviral transduction, inoculation routes, monitoring for disease development, and mouse organ examination, to administration of several treatments.
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Affiliation(s)
- Patricia Fuentes
- Interactions with the Environment Program, Immune System Development and Function Unit, Centro de Biología Molecular Severo Ochoa, CSIC-UAM, Madrid, Spain
| | - María L Toribio
- Interactions with the Environment Program, Immune System Development and Function Unit, Centro de Biología Molecular Severo Ochoa, CSIC-UAM, Madrid, Spain.
| | - Sara González-García
- Interactions with the Environment Program, Immune System Development and Function Unit, Centro de Biología Molecular Severo Ochoa, CSIC-UAM, Madrid, Spain.
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32
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Burns MA, Place AE, Stevenson KE, Gutiérrez A, Forrest S, Pikman Y, Vrooman LM, Harris MH, Weinberg OK, Hunt SK, O’Brien JE, Asselin BL, Athale UH, Clavell LA, Cole PD, Gennarini LM, Kahn JM, Kelly KM, Laverdiere C, Leclerc JM, Michon B, Schorin MA, Sulis ML, Welch JJ, Neuberg DS, Sallan SE, Silverman LB. Identification of prognostic factors in childhood T-cell acute lymphoblastic leukemia: Results from DFCI ALL Consortium Protocols 05-001 and 11-001. Pediatr Blood Cancer 2021; 68:e28719. [PMID: 33026184 PMCID: PMC8369809 DOI: 10.1002/pbc.28719] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 08/11/2020] [Accepted: 08/31/2020] [Indexed: 12/12/2022]
Abstract
BACKGROUND/OBJECTIVES While outcomes for pediatric T-cell acute lymphoblastic leukemia (T-ALL) are favorable, there are few widely accepted prognostic factors, limiting the ability to risk stratify therapy. DESIGN/METHODS Dana-Farber Cancer Institute (DFCI) Protocols 05-001 and 11-001 enrolled pediatric patients with newly diagnosed B- or T-ALL from 2005 to 2011 and from 2012 to 2015, respectively. Protocol therapy was nearly identical for patients with T-ALL (N = 123), who were all initially assigned to the high-risk arm. End-induction minimal residual disease (MRD) was assessed by reverse transcription polymerase chain reaction (RT-PCR) or next-generation sequencing (NGS), but was not used to modify postinduction therapy. Early T-cell precursor (ETP) status was determined by flow cytometry. Cases with sufficient diagnostic DNA were retrospectively evaluated by targeted NGS of known genetic drivers of T-ALL, including Notch, PI3K, and Ras pathway genes. RESULTS The 5-year event-free survival (EFS) and overall survival (OS) for patients with T-ALL was 81% (95% CI, 73-87%) and 90% (95% CI, 83-94%), respectively. ETP phenotype was associated with failure to achieve complete remission, but not with inferior OS. Low end-induction MRD (<10-4 ) was associated with superior disease-free survival (DFS). Pathogenic mutations of the PI3K pathway were mutually exclusive of ETP phenotype and were associated with inferior 5-year DFS and OS. CONCLUSIONS Together, our findings demonstrate that ETP phenotype, end-induction MRD, and PI3K pathway mutation status are prognostically relevant in pediatric T-ALL and should be considered for risk classification in future trials. DFCI Protocols 05-001 and 11-001 are registered at www.clinicaltrials.gov as NCT00165087 and NCT01574274, respectively.
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Affiliation(s)
- Melissa A. Burns
- Department of Pediatric Oncology, Dana-Farber Cancer
Institute, Harvard Medical School, Boston, MA
- Division of Hematology/Oncology, Boston Children’s
Hospital, Harvard Medical School, Boston, MA
| | - Andrew E. Place
- Department of Pediatric Oncology, Dana-Farber Cancer
Institute, Harvard Medical School, Boston, MA
- Division of Hematology/Oncology, Boston Children’s
Hospital, Harvard Medical School, Boston, MA
| | - Kristen E. Stevenson
- Department of Biostatistics and Computational Biology,
Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
| | - Alejandro Gutiérrez
- Department of Pediatric Oncology, Dana-Farber Cancer
Institute, Harvard Medical School, Boston, MA
- Division of Hematology/Oncology, Boston Children’s
Hospital, Harvard Medical School, Boston, MA
| | - Suzanne Forrest
- Department of Pediatric Oncology, Dana-Farber Cancer
Institute, Harvard Medical School, Boston, MA
- Division of Hematology/Oncology, Boston Children’s
Hospital, Harvard Medical School, Boston, MA
| | - Yana Pikman
- Department of Pediatric Oncology, Dana-Farber Cancer
Institute, Harvard Medical School, Boston, MA
- Division of Hematology/Oncology, Boston Children’s
Hospital, Harvard Medical School, Boston, MA
| | - Lynda M. Vrooman
- Department of Pediatric Oncology, Dana-Farber Cancer
Institute, Harvard Medical School, Boston, MA
- Division of Hematology/Oncology, Boston Children’s
Hospital, Harvard Medical School, Boston, MA
| | - Marian H. Harris
- Department of Pathology, Boston Children’s Hospital,
Harvard Medical School, Boston, MA
| | | | - Sarah K. Hunt
- Department of Pediatric Oncology, Dana-Farber Cancer
Institute, Harvard Medical School, Boston, MA
| | - Jane E. O’Brien
- Department of Pediatric Oncology, Dana-Farber Cancer
Institute, Harvard Medical School, Boston, MA
| | - Barbara L. Asselin
- Department of Pediatrics, Golisano Children’s
Hospital, University of Rochester Medical Center, Rochester, NY
| | - Uma H. Athale
- Division of Pediatric Hematology/Oncology, McMaster
University, Hamilton, ON, Canada
| | - Luis A. Clavell
- Division of Pediatric Oncology, San Jorge Children’s
Hospital, San Juan, Puerto Rico
| | - Peter D. Cole
- Division of Pediatric Hematology/Oncology, Rutgers Cancer
Institute of New Jersey, Rutgers ;Robert Wood Johnson School of Medicine, New
Brunswick, NJ
| | - Lisa M. Gennarini
- Division of Pediatric Hematology/Oncology,
Children’s Hospital at Montefiore, Bronx, NY
| | - Justine M. Kahn
- Division of Pediatric Hematology, Oncology, and Stem Cell
Transplantation, Columbia University, New York, NY
| | - Kara M. Kelly
- Department of Pediatric Oncology, Roswell Park
Comprehensive Cancer Center, University at Buffalo, Buffalo, NY
| | - Caroline Laverdiere
- Division of Hematology and Oncology, Hospital
Sainte-Justine, University of Montreal, Montreal, Canada
| | - Jean-Marie Leclerc
- Division of Hematology and Oncology, Hospital
Sainte-Justine, University of Montreal, Montreal, Canada
| | - Bruno Michon
- Division of Hematology-Oncology, Centre Hospitalier
Universite de Quebec, Quebec City, Canada
| | | | - Maria Luisa Sulis
- Pediatric Hematologic Malignancies Service, Department of
Pediatric Oncology, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Jennifer J.G. Welch
- Division of Pediatric Hematology-Oncology, Hasbro
Children’s Hospital, Warren Alpert Medical School of Brown University,
Providence, RI
| | - Donna S. Neuberg
- Department of Biostatistics and Computational Biology,
Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
| | - Stephen E. Sallan
- Department of Pediatric Oncology, Dana-Farber Cancer
Institute, Harvard Medical School, Boston, MA
- Division of Hematology/Oncology, Boston Children’s
Hospital, Harvard Medical School, Boston, MA
| | - Lewis B. Silverman
- Department of Pediatric Oncology, Dana-Farber Cancer
Institute, Harvard Medical School, Boston, MA
- Division of Hematology/Oncology, Boston Children’s
Hospital, Harvard Medical School, Boston, MA
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Bonnet R, Nebout M, Brousse C, Reinier F, Imbert V, Rohrlich PS, Peyron JF. New Drug Repositioning Candidates for T-ALL Identified Via Human/Murine Gene Signature Comparison. Front Oncol 2020; 10:557643. [PMID: 33240808 PMCID: PMC7680901 DOI: 10.3389/fonc.2020.557643] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Accepted: 10/07/2020] [Indexed: 12/30/2022] Open
Abstract
T-cell Acute Lymphoblastic Leukemia (T-ALL) is an aggressive subtype of leukemia for which important progress in treatment efficiency have been made in the past decades to reach a cure rate of 75%-80% nowadays. It is nevertheless mandatory to find new targets and active molecules for innovative therapeutic strategies as relapse is associated with a very dismal outcome. We designed an experimental workflow to highlight the conserved core pathways associated with leukemogenesis by confronting the gene expression profiles (GEPs) of human T-ALL cases to the GEP of a murine T-ALL representative model, generated by the conditional deletion of the PTEN tumor suppressor gene in T cell precursors (tPTEN-/-). We identified 844 differentially expressed genes, common GEPs (cGEP) that were conserved between human T-ALL and murine signatures, and also similarly differentially expressed, compared to normal T cells. Using bioinformatic tools we highlighted in cGEPan upregulation of E2F, MYC and mTORC1. Next, using Connectivity Map (CMAP) and CMAPViz a visualization procedure for CMAP data that we developed, we selected in silico three FDA-approved, bioactive molecule candidates: α-estradiol (α-E), nordihydroguaiaretic acid (NDGA) and prochlorperazine dimaleate (PCZ). At a biological level, we showed that the three drugs triggered an apoptotic cell death in a panel of T-ALL cell lines, activated a DNA damage response and interfered with constitutive mTORC1 activation and c-MYC expression. This analysis shows that the investigation of conserved leukemogenesis pathways could be a strategy to reveal new avenues for pharmacological intervention.
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Affiliation(s)
| | | | | | | | | | - Pierre Simon Rohrlich
- Université Côte d’Azur, INSERM, C3M, Nice, France
- Pediatric Hematology-Oncology, CHU de Nice, Nice, France
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Facts and Challenges in Immunotherapy for T-Cell Acute Lymphoblastic Leukemia. Int J Mol Sci 2020; 21:ijms21207685. [PMID: 33081391 PMCID: PMC7589289 DOI: 10.3390/ijms21207685] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 10/13/2020] [Accepted: 10/14/2020] [Indexed: 12/12/2022] Open
Abstract
T-cell acute lymphoblastic leukemia (T-ALL), a T-cell malignant disease that mainly affects children, is still a medical challenge, especially for refractory patients for whom therapeutic options are scarce. Recent advances in immunotherapy for B-cell malignancies based on increasingly efficacious monoclonal antibodies (mAbs) and chimeric antigen receptors (CARs) have been encouraging for non-responding or relapsing patients suffering from other aggressive cancers like T-ALL. However, secondary life-threatening T-cell immunodeficiency due to shared expression of targeted antigens by healthy and malignant T cells is a main drawback of mAb—or CAR-based immunotherapies for T-ALL and other T-cell malignancies. This review provides a comprehensive update on the different immunotherapeutic strategies that are being currently applied to T-ALL. We highlight recent progress on the identification of new potential targets showing promising preclinical results and discuss current challenges and opportunities for developing novel safe and efficacious immunotherapies for T-ALL.
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35
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Mao R, Hu S, Zhang Y, Du F, Zhang Y, Liu Y, Zhang T. Prognostic Nomogram for Childhood Acute Lymphoblastic Leukemia: A Comprehensive Analysis of 673 Patients. Front Oncol 2020; 10:1673. [PMID: 33014835 PMCID: PMC7511595 DOI: 10.3389/fonc.2020.01673] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 07/29/2020] [Indexed: 12/26/2022] Open
Abstract
OBJECTIVE Despite that the survival rate in childhood acute lymphoblastic leukemia (cALL) is excellent, subsets of high-risk patients with cALL still have high relapse rates, and the cure rate is well below that for which we should aim. The present study aims to construct a prognostic nomogram to better inform clinical practitioners and improve risk stratification for clinical trials. METHODS The developed nomogram was based on the therapeutically applicable research to generate effective treatment (TARGET) database. With this database, we obtained 673 cALL patients with complete clinical information. We identified and integrated significant prognostic factors to build the nomogram model by univariate and multivariate Cox analysis. The predictive accuracy and discriminative ability of the nomogram were determined by the concordance index (C-index), calibration curve, and area under the receiver operating characteristic (ROC) curve (AUC) of ROC analysis. Internal validations were assessed by the bootstrapping validation. RESULTS In the multivariate analysis of the primary cohort, the independent factors for survival were ETV6 RUNX1 fusion status, karyotype, minimal residual disease (MRD) at day 29, and DNA index, which were all integrated into the nomogram. The calibration curve for the probability of survival showed good agreement between the prediction by the nomogram and the actual observation. The C-index of the nomogram for predicting survival was 0.754 (95% CI, 0.715-0.793), and the AUCs for 3-, 5-, and 7-year survival were 0.775, 0.776, and 0.772, respectively. CONCLUSION We comprehensively evaluated the risk of clinical factors associated with prognosis and carried out risk stratification. The nomogram proposed in this study objectively and accurately predicted the prognosis of children with ALL.
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Affiliation(s)
- Rui Mao
- The Affiliated Hospital of Southwest Jiaotong University, Chengdu, China
| | - Shaoxuan Hu
- Department of Hematology, Peking University Cancer Hospital and Institute, Beijing, China
| | - Yuanchuan Zhang
- The Center of Gastrointestinal and Minimally Invasive Surgery, The Third People’s Hospital of Chengdu, Chengdu, China
| | - Feng Du
- Key Laboratory of Carcinogenesis and Translational Research, Ministry of Education, Peking University Cancer Hospital and Institute, Beijing, China
| | - Yu Zhang
- State Key Laboratory of Molecular Oncology, National Cancer Center, National Clinical Research Center for Cancer, Cancer Hospital, Beijing, China
| | - Yanjun Liu
- The Center of Gastrointestinal and Minimally Invasive Surgery, The Third People’s Hospital of Chengdu, Chengdu, China
| | - Tongtong Zhang
- Medical Research Center, The Third People’s Hospital of Chengdu, The Affiliated Hospital of Southwest Jiaotong University, The Second Chengdu Hospital Affiliated to Chongqing Medical University, Chengdu, China
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Tembhare PR, Chatterjee G, Khanka T, Ghogale S, Badrinath Y, Deshpande N, Panda D, Patkar NV, Narula G, Girase K, Verma S, Sanyal M, Sriram HN, Banavali S, Gujral S, Subramanian PG. Eleven‐marker 10‐color flow cytometric assessment of measurable residual disease for T‐cell acute lymphoblastic leukemia using an approach of exclusion. CYTOMETRY PART B-CLINICAL CYTOMETRY 2020; 100:421-433. [DOI: 10.1002/cyto.b.21939] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Revised: 06/16/2020] [Accepted: 07/15/2020] [Indexed: 12/15/2022]
Affiliation(s)
- Prashant R. Tembhare
- Hematopathology Laboratory, ACTREC, Tata Memorial CenterHBNI University Navi Mumbai India
| | - Gaurav Chatterjee
- Hematopathology Laboratory, ACTREC, Tata Memorial CenterHBNI University Navi Mumbai India
| | - Twinkle Khanka
- Hematopathology Laboratory, ACTREC, Tata Memorial CenterHBNI University Navi Mumbai India
| | - Sitaram Ghogale
- Hematopathology Laboratory, ACTREC, Tata Memorial CenterHBNI University Navi Mumbai India
| | - Yajamanam Badrinath
- Hematopathology Laboratory, ACTREC, Tata Memorial CenterHBNI University Navi Mumbai India
| | - Nilesh Deshpande
- Hematopathology Laboratory, ACTREC, Tata Memorial CenterHBNI University Navi Mumbai India
| | - Devasis Panda
- Hematopathology Laboratory, ACTREC, Tata Memorial CenterHBNI University Navi Mumbai India
| | - Nikhil V. Patkar
- Hematopathology Laboratory, ACTREC, Tata Memorial CenterHBNI University Navi Mumbai India
| | - Gaurav Narula
- Department of Pediatric Oncology, Tata Memorial CenterTata Memorial Hospital, Parel Mumbai India
| | - Karishma Girase
- Hematopathology Laboratory, ACTREC, Tata Memorial CenterHBNI University Navi Mumbai India
| | - Shefali Verma
- Hematopathology Laboratory, ACTREC, Tata Memorial CenterHBNI University Navi Mumbai India
| | - Mahima Sanyal
- Hematopathology Laboratory, ACTREC, Tata Memorial CenterHBNI University Navi Mumbai India
| | - Harshini N. Sriram
- Hematopathology Laboratory, ACTREC, Tata Memorial CenterHBNI University Navi Mumbai India
| | - Shripad Banavali
- Department of Pediatric Oncology, Tata Memorial CenterTata Memorial Hospital, Parel Mumbai India
| | - Sumeet Gujral
- Hematopathology Laboratory, ACTREC, Tata Memorial CenterHBNI University Navi Mumbai India
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Liao C, Shen DY, Xu XJ, Song H, Xu WQ, Zhao FY, Yang SL, Tang YM. High CD38 expression in childhood T-cell acute lymphoblastic leukemia is not associated with prognosis. Cancer Biomark 2020; 27:277-284. [PMID: 31903984 DOI: 10.3233/cbm-190946] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
BACKGROUND Prognostic factors are not well exploited in childhood T-cell acute lymphoblastic leukemia (T-ALL). OBJECTIVE The aim of this study was to analyze the prognostic role of CD38 as well as minimal residual disease (MRD) and other biological factors in T-ALL. METHODS Immunophenotyping of bone marrow (BM) at diagnosis and MRD levels were determined using a standard panel of antibodies by 4-colour flow cytometry. A total of 96 children with T-ALL were enrolled. RESULTS The results showed that 97.9% of T-ALL patients were positive for CD38 with a median level of 85.3%. CD38-high group had a worse early treatment response than the CD38-low group. However, CD38 levels were not associated with prognosis, albeit CD38-high group had a worse 5-year event free survival rate (55.1% vs. 66.6%, P> 0.05) and a higher 5-year cumulative incidence of relapse (35.6% vs. 19.8%, P> 0.05). Very high MRD levels (> 10%) were related to the worse survival. Neither flow cytometry based minimal residual disease (MRD) levels nor CD38 expression levels showed significant relation to the hazard of relapse (P> 0.05). CONCLUSIONS We conclude that T-ALL has a high level of CD38 expression which is not associated with prognosis. Very high MRD level (> 10%) is related to the worse survival, however, FCM based MRD detection does not convey a significant prognostic value.
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38
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Clinical and biological features of PTPN2-deleted adult and pediatric T-cell acute lymphoblastic leukemia. Blood Adv 2020; 3:1981-1988. [PMID: 31270080 DOI: 10.1182/bloodadvances.2018028993] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Accepted: 05/06/2019] [Indexed: 11/20/2022] Open
Abstract
Protein tyrosine phosphatase nonreceptor type 2 (PTPN2) is a phosphatase known to be a tumor suppressor gene in T-cell acute lymphoblastic leukemia (T-ALL). Because the full clinicobiologic characteristics of PTPN2 loss remain poorly reported, we aimed to provide a comprehensive analysis of PTPN2 deletions within a cohort of 430 patients, including 216 adults and 214 children treated according to the GRAALL03/05 (#NCT00222027 and #NCT00327678) and the FRALLE2000 protocols, respectively. We used multiplex ligation-dependent probe amplification to identify an 8% incidence of PTPN2 deletion, which was comparable in adult (9%) and pediatric (6%) populations. PTPN2 deletions were significantly associated with an αβ lineage and TLX1 deregulation. Analysis of the mutational genotype of adult T-ALL revealed a positive correlation between PTPN2 deletions and gain-of-function alterations in the IL7R/JAK-STAT signaling pathway as well as PHF6 and WT1 mutations. Of note, PTPN2 and PTEN (phosphatase and tensin homolog) deletions were mutually exclusive. Regarding treatment response, PTPN2-deleted T-ALLs were associated with a higher glucocorticoid response and a trend for improved survival in children, but not in adults, with a 5-year cumulative incidence of relapse of 8% for PTPN2-deleted pediatric cases vs 26% (P = .177).
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39
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Garcia EG, Veloso A, Oliveira ML, Allen JR, Loontiens S, Brunson D, Do D, Yan C, Morris R, Iyer S, Garcia SP, Iftimia N, Van Loocke W, Matthijssens F, McCarthy K, Barata JT, Speleman F, Taghon T, Gutierrez A, Van Vlierberghe P, Haas W, Blackburn JS, Langenau DM. PRL3 enhances T-cell acute lymphoblastic leukemia growth through suppressing T-cell signaling pathways and apoptosis. Leukemia 2020; 35:679-690. [PMID: 32606318 PMCID: PMC8009053 DOI: 10.1038/s41375-020-0937-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Revised: 06/10/2020] [Accepted: 06/16/2020] [Indexed: 01/06/2023]
Abstract
T cell acute lymphoblastic leukemia (T-ALL) is an aggressive malignancy of thymocytes and is largely driven by the NOTCH/MYC pathway. Yet, additional oncogenic drivers are required for transformation. Here, we identify protein tyrosine phosphatase type 4 A3 (PRL3) as a collaborating oncogenic driver in T-ALL. PRL3 is expressed in a large fraction of primary human T-ALLs and is commonly co-amplified with MYC. PRL3 also synergized with MYC to initiate early-onset ALL in transgenic zebrafish and was required for human T-ALL growth and maintenance. Mass spectrometry phosphoproteomic analysis and mechanistic studies uncovered that PRL3 suppresses downstream T cell phosphorylation signaling pathways, including those modulated by VAV1, and subsequently suppresses apoptosis in leukemia cells. Taken together, our studies have identified new roles for PRL3 as a collaborating oncogenic driver in human T-ALL and suggest that therapeutic targeting of the PRL3 phosphatase will likely be a useful treatment strategy for T-ALL.
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Affiliation(s)
- E G Garcia
- Department of Pathology, Massachusetts General Research Institute, Boston, MA, 02114, USA.,Center of Cancer Research, Massachusetts General Hospital, Charlestown, MA, 02129, USA.,Harvard Stem Cell Institute, Boston, MA, 02114, USA.,Center of Regenerative Medicine, Massachusetts General Hospital, Boston, MA, 02114, USA
| | - A Veloso
- Department of Pathology, Massachusetts General Research Institute, Boston, MA, 02114, USA.,Center of Cancer Research, Massachusetts General Hospital, Charlestown, MA, 02129, USA.,Harvard Stem Cell Institute, Boston, MA, 02114, USA.,Center of Regenerative Medicine, Massachusetts General Hospital, Boston, MA, 02114, USA
| | - M L Oliveira
- Instituto de Medicina Molecular João Lobo Antunes Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
| | - J R Allen
- Department of Pathology, Massachusetts General Research Institute, Boston, MA, 02114, USA.,Center of Cancer Research, Massachusetts General Hospital, Charlestown, MA, 02129, USA.,Harvard Stem Cell Institute, Boston, MA, 02114, USA.,Center of Regenerative Medicine, Massachusetts General Hospital, Boston, MA, 02114, USA
| | - S Loontiens
- Cancer Research Institute Ghent, Ghent, Belgium
| | - D Brunson
- Department of Pathology, Massachusetts General Research Institute, Boston, MA, 02114, USA.,Center of Cancer Research, Massachusetts General Hospital, Charlestown, MA, 02129, USA.,Harvard Stem Cell Institute, Boston, MA, 02114, USA.,Center of Regenerative Medicine, Massachusetts General Hospital, Boston, MA, 02114, USA
| | - D Do
- Department of Pathology, Massachusetts General Research Institute, Boston, MA, 02114, USA.,Center of Cancer Research, Massachusetts General Hospital, Charlestown, MA, 02129, USA.,Harvard Stem Cell Institute, Boston, MA, 02114, USA.,Center of Regenerative Medicine, Massachusetts General Hospital, Boston, MA, 02114, USA
| | - C Yan
- Department of Pathology, Massachusetts General Research Institute, Boston, MA, 02114, USA.,Center of Cancer Research, Massachusetts General Hospital, Charlestown, MA, 02129, USA.,Harvard Stem Cell Institute, Boston, MA, 02114, USA.,Center of Regenerative Medicine, Massachusetts General Hospital, Boston, MA, 02114, USA
| | - R Morris
- Center of Cancer Research, Massachusetts General Hospital, Charlestown, MA, 02129, USA
| | - S Iyer
- Department of Pathology, Massachusetts General Research Institute, Boston, MA, 02114, USA.,Center of Cancer Research, Massachusetts General Hospital, Charlestown, MA, 02129, USA.,Harvard Stem Cell Institute, Boston, MA, 02114, USA.,Center of Regenerative Medicine, Massachusetts General Hospital, Boston, MA, 02114, USA
| | - S P Garcia
- Department of Pathology, Massachusetts General Research Institute, Boston, MA, 02114, USA.,Center of Cancer Research, Massachusetts General Hospital, Charlestown, MA, 02129, USA.,Harvard Stem Cell Institute, Boston, MA, 02114, USA.,Center of Regenerative Medicine, Massachusetts General Hospital, Boston, MA, 02114, USA
| | - N Iftimia
- Department of Pathology, Massachusetts General Research Institute, Boston, MA, 02114, USA.,Center of Cancer Research, Massachusetts General Hospital, Charlestown, MA, 02129, USA.,Harvard Stem Cell Institute, Boston, MA, 02114, USA.,Center of Regenerative Medicine, Massachusetts General Hospital, Boston, MA, 02114, USA
| | - W Van Loocke
- Cancer Research Institute Ghent, Ghent, Belgium.,Department of Biomolecular Medicine and Center for Medical Genetics, Ghent University, Ghent, Belgium
| | - F Matthijssens
- Cancer Research Institute Ghent, Ghent, Belgium.,Department of Biomolecular Medicine and Center for Medical Genetics, Ghent University, Ghent, Belgium
| | - K McCarthy
- Department of Pathology, Massachusetts General Research Institute, Boston, MA, 02114, USA.,Center of Cancer Research, Massachusetts General Hospital, Charlestown, MA, 02129, USA.,Harvard Stem Cell Institute, Boston, MA, 02114, USA.,Center of Regenerative Medicine, Massachusetts General Hospital, Boston, MA, 02114, USA
| | - J T Barata
- Instituto de Medicina Molecular João Lobo Antunes Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
| | - F Speleman
- Cancer Research Institute Ghent, Ghent, Belgium.,Department of Biomolecular Medicine and Center for Medical Genetics, Ghent University, Ghent, Belgium
| | - T Taghon
- Department of Diagnostic Sciences, Ghent University, Ghent, Belgium
| | - A Gutierrez
- Division of Hematology/Oncology, Boston Children's Hospital and Dana-Farber Cancer Institute, Boston, USA
| | - P Van Vlierberghe
- Cancer Research Institute Ghent, Ghent, Belgium.,Department of Biomolecular Medicine and Center for Medical Genetics, Ghent University, Ghent, Belgium
| | - W Haas
- Department of Pathology, Massachusetts General Research Institute, Boston, MA, 02114, USA.,Center of Cancer Research, Massachusetts General Hospital, Charlestown, MA, 02129, USA.,Harvard Stem Cell Institute, Boston, MA, 02114, USA.,Center of Regenerative Medicine, Massachusetts General Hospital, Boston, MA, 02114, USA
| | - J S Blackburn
- Department of Molecular and Cellular Biochemistry, University of Kentucky College of Medicine, Lexington, KY, 40536, USA
| | - D M Langenau
- Department of Pathology, Massachusetts General Research Institute, Boston, MA, 02114, USA. .,Center of Cancer Research, Massachusetts General Hospital, Charlestown, MA, 02129, USA. .,Harvard Stem Cell Institute, Boston, MA, 02114, USA. .,Center of Regenerative Medicine, Massachusetts General Hospital, Boston, MA, 02114, USA.
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40
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Seitz V, Kleo K, Dröge A, Schaper S, Elezkurtaj S, Bedjaoui N, Dimitrova L, Sommerfeld A, Berg E, von der Wall E, Müller U, Joosten M, Lenze D, Heimesaat MM, Baldus C, Zinser C, Cieslak A, Macintyre E, Stocking C, Hennig S, Hummel M. Evidence for a role of RUNX1 as recombinase cofactor for TCRβ rearrangements and pathological deletions in ETV6-RUNX1 ALL. Sci Rep 2020; 10:10024. [PMID: 32572036 PMCID: PMC7308335 DOI: 10.1038/s41598-020-65744-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Accepted: 05/06/2020] [Indexed: 11/08/2022] Open
Abstract
T-cell receptor gene beta (TCRβ) gene rearrangement represents a complex, tightly regulated molecular mechanism involving excision, deletion and recombination of DNA during T-cell development. RUNX1, a well-known transcription factor for T-cell differentiation, has recently been described to act in addition as a recombinase cofactor for TCRδ gene rearrangements. In this work we employed a RUNX1 knock-out mouse model and demonstrate by deep TCRβ sequencing, immunostaining and chromatin immunoprecipitation that RUNX1 binds to the initiation site of TCRβ rearrangement and its homozygous inactivation induces severe structural changes of the rearranged TCRβ gene, whereas heterozygous inactivation has almost no impact. To compare the mouse model results to the situation in Acute Lymphoblastic Leukemia (ALL) we analyzed TCRβ gene rearrangements in T-ALL samples harboring heterozygous Runx1 mutations. Comparable to the Runx1+/- mouse model, heterozygous Runx1 mutations in T-ALL patients displayed no detectable impact on TCRβ rearrangements. Furthermore, we reanalyzed published sequence data from recurrent deletion borders of ALL patients carrying an ETV6-RUNX1 translocation. RUNX1 motifs were significantly overrepresented at the deletion ends arguing for a role of RUNX1 in the deletion mechanism. Collectively, our data imply a role of RUNX1 as recombinase cofactor for both physiological and aberrant deletions.
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Affiliation(s)
- V Seitz
- Charité University Medicine Berlin, Institute of Pathology, Berlin, Germany
- HS Diagnomics GmbH, Berlin, Germany
| | - K Kleo
- Charité University Medicine Berlin, Institute of Pathology, Berlin, Germany
| | - A Dröge
- HS Diagnomics GmbH, Berlin, Germany
| | | | - S Elezkurtaj
- Charité University Medicine Berlin, Institute of Pathology, Berlin, Germany
| | - N Bedjaoui
- University of Paris, Institute Necker-Enfants Malades (INEM), INSERM U1151, Laboratoire d'Onco-Hematology, Assistance Publique-Hôpitaux de Paris (AP-HP), Hôpital Necker Enfants-Malades, Paris, France
| | - L Dimitrova
- Charité University Medicine Berlin, Institute of Pathology, Berlin, Germany
| | - A Sommerfeld
- Charité University Medicine Berlin, Institute of Pathology, Berlin, Germany
| | - E Berg
- Charité University Medicine Berlin, Institute of Pathology, Berlin, Germany
| | - E von der Wall
- Charité University Medicine Berlin, Institute of Pathology, Berlin, Germany
| | - U Müller
- Heinrich-Pette-Institute, Leibniz-Institute for Experimental Virology, Hamburg, Germany
| | - M Joosten
- Charité University Medicine Berlin, Institute of Pathology, Berlin, Germany
| | - D Lenze
- Charité University Medicine Berlin, Institute of Pathology, Berlin, Germany
| | - M M Heimesaat
- Charité University Medicine Berlin, Institute of Microbiology, Infectious Diseases and Immunology, Berlin, Germany
| | - C Baldus
- University Medical Center Schleswig-Holstein, Department of Internal Medicine II, Kiel, Germany
| | - C Zinser
- Precigen Bioinformatics Germany GmbH, Munich, Germany
| | - A Cieslak
- University of Paris, Institute Necker-Enfants Malades (INEM), INSERM U1151, Laboratoire d'Onco-Hematology, Assistance Publique-Hôpitaux de Paris (AP-HP), Hôpital Necker Enfants-Malades, Paris, France
| | - E Macintyre
- University of Paris, Institute Necker-Enfants Malades (INEM), INSERM U1151, Laboratoire d'Onco-Hematology, Assistance Publique-Hôpitaux de Paris (AP-HP), Hôpital Necker Enfants-Malades, Paris, France
| | - C Stocking
- University Medical Center Eppendorf, Department of Stem Cell Transplantation, Hamburg, Germany
| | - S Hennig
- HS Diagnomics GmbH, Berlin, Germany
| | - M Hummel
- Charité University Medicine Berlin, Institute of Pathology, Berlin, Germany.
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41
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La Starza R, Pierini V, Pierini T, Nofrini V, Matteucci C, Arniani S, Moretti M, Lema Fernandez AG, Pellanera F, Di Giacomo D, Storlazzi TC, Vitale A, Gorello P, Sammarelli G, Roti G, Basso G, Chiaretti S, Foà R, Schwab C, Harrison CJ, Van Vlierberghe P, Mecucci C. Design of a Comprehensive Fluorescence in Situ Hybridization Assay for Genetic Classification of T-Cell Acute Lymphoblastic Leukemia. J Mol Diagn 2020; 22:629-639. [DOI: 10.1016/j.jmoldx.2020.02.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Revised: 01/29/2020] [Accepted: 02/03/2020] [Indexed: 02/07/2023] Open
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42
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Tembhare PR, Narula G, Khanka T, Ghogale S, Chatterjee G, Patkar NV, Prasad M, Badrinath Y, Deshpande N, Gudapati P, Verma S, Sanyal M, Kunjachan F, Mangang G, Gujral S, Banavali S, Subramanian PG. Post-induction Measurable Residual Disease Using Multicolor Flow Cytometry Is Strongly Predictive of Inferior Clinical Outcome in the Real-Life Management of Childhood T-Cell Acute Lymphoblastic Leukemia: A Study of 256 Patients. Front Oncol 2020; 10:577. [PMID: 32391267 PMCID: PMC7193086 DOI: 10.3389/fonc.2020.00577] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Accepted: 03/30/2020] [Indexed: 01/21/2023] Open
Abstract
Background: Measurable/minimal residual disease (MRD) status is suggested as a powerful indicator of clinical-outcome in T-cell lymphoblastic leukemia/lymphoma (T-ALL). Contrary to B-cell ALL, reports on T-ALL MRD are limited and mostly based on molecular methods, mainly from developed countries. Multicolor flow cytometry (MFC)-based T-ALL studies are very few. Clinically relevant cut-off levels and ideal time-point for MRD assessment are still inconclusive. In view of lack of T-ALL MRD data from the developing world, we evaluated the prognostic value of MFC-based post-induction (PI)-MRD assessment in T-ALL in the context of standard practice. Methods: We included 256 childhood-T-ALL patients (age < 15 years) treated with a modified-MCP841 protocol, which uses high-dose cytarabine during consolidation, as a part of standard hospital practice. MRD was studied using 10-color 11-antibody MFC with any level of detectable disease being considered positive. Post-induction (PI)-MRD was available in all patients, and post-consolidation (PC) MRD was available mostly in PI-MRD-positive patients (n = 88). Results: Three years cumulative-incidence-of-relapse (3years-CIR) in PI-MRD-positive patients was inferior to negative patients (46.3% vs. 18.4%). The median relapse-free-survival (RFS), event-free-survival (EFS) and overall-survival (OS) with hazard ratio (HR) of PI-MRD-positive patients were 21.4 months vs not reached (p < 0.0001, HR-4.7), 21.6 months vs. not-reached (p = 0.0003, HR-2.01) and 37.3 months vs. not reached (p = 0.026, HR-1.64) respectively. RFS, EFS and OS of patients with PI-MRD<0.01% (n = 17) were as inferior as PI-MRD ≥ 0.01% in comparison with MRD-negative patients with HR of 4.7 (p < 0.0001), 2.45 (p = 0.0003), and 2.5 (p = 0.029), respectively. Three-years-CIR of patients with hyperleukocytosis (≥100 × 109/L) was also higher (50.5 vs. 27.6%) with inferior RFS, EFS, and OS. Among PI-MRD-positive patients, 3years-CIR, RFS, EFS, and OS of PC-MRD-positive were also inferior to that of negative patients. On multivariate analysis any-level detectable PI-MRD and hyperleukocytosis remained independently associated with inferior RFS, EFS, and OS. A combination of PI-MRD-positive status and hyperleukocytosis identified the patients with the worst clinical outcomes. Conclusion: Detectable PI-MRD using MFC was found to be the strong predictive factor of inferior clinical outcome in T-ALL patients. The combination of PI-MRD status and hyperleukocytosis provides the most influential tool for the management of T-ALL in resource constrained settings from developing world.
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Affiliation(s)
- Prashant R. Tembhare
- Hematopathology Laboratory, ACTREC, Tata Memorial Center, Homi Bhabha National Institute, Mumbai, India
| | - Gaurav Narula
- Department of Pediatric Oncology, Tata Memorial Center, Homi Bhabha National Institute, Mumbai, India
| | - Twinkle Khanka
- Hematopathology Laboratory, ACTREC, Tata Memorial Center, Homi Bhabha National Institute, Mumbai, India
| | - Sitaram Ghogale
- Hematopathology Laboratory, ACTREC, Tata Memorial Center, Homi Bhabha National Institute, Mumbai, India
| | - Gaurav Chatterjee
- Hematopathology Laboratory, ACTREC, Tata Memorial Center, Homi Bhabha National Institute, Mumbai, India
| | - Nikhil V. Patkar
- Hematopathology Laboratory, ACTREC, Tata Memorial Center, Homi Bhabha National Institute, Mumbai, India
| | - Maya Prasad
- Department of Pediatric Oncology, Tata Memorial Center, Homi Bhabha National Institute, Mumbai, India
| | - Yajamanam Badrinath
- Hematopathology Laboratory, ACTREC, Tata Memorial Center, Homi Bhabha National Institute, Mumbai, India
| | - Nilesh Deshpande
- Hematopathology Laboratory, ACTREC, Tata Memorial Center, Homi Bhabha National Institute, Mumbai, India
| | - Pratyusha Gudapati
- Hematopathology Laboratory, ACTREC, Tata Memorial Center, Homi Bhabha National Institute, Mumbai, India
| | - Shefali Verma
- Hematopathology Laboratory, ACTREC, Tata Memorial Center, Homi Bhabha National Institute, Mumbai, India
| | - Mahima Sanyal
- Hematopathology Laboratory, ACTREC, Tata Memorial Center, Homi Bhabha National Institute, Mumbai, India
| | - Florence Kunjachan
- Hematopathology Laboratory, ACTREC, Tata Memorial Center, Homi Bhabha National Institute, Mumbai, India
| | - Gunit Mangang
- Hematopathology Laboratory, ACTREC, Tata Memorial Center, Homi Bhabha National Institute, Mumbai, India
| | - Sumeet Gujral
- Hematopathology Laboratory, ACTREC, Tata Memorial Center, Homi Bhabha National Institute, Mumbai, India
| | - Shripad Banavali
- Department of Pediatric Oncology, Tata Memorial Center, Homi Bhabha National Institute, Mumbai, India
| | - Papagudi G. Subramanian
- Hematopathology Laboratory, ACTREC, Tata Memorial Center, Homi Bhabha National Institute, Mumbai, India
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43
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Carobolante F, Chiaretti S, Skert C, Bassan R. Practical guidance for the management of acute lymphoblastic leukemia in the adolescent and young adult population. Ther Adv Hematol 2020; 11:2040620720903531. [PMID: 32071710 PMCID: PMC6997963 DOI: 10.1177/2040620720903531] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Accepted: 12/18/2019] [Indexed: 01/22/2023] Open
Abstract
The outstanding therapeutic progress achieved with modern pediatric regimens in
childhood acute lymphoblastic leukemia (ALL) led efforts to explore whether a
similar treatment approach could be equally effective and safe in older
patients, starting initially with older adolescents and young adults (AYA),
variably defined in different studies by an age between 15–18 and 25–39 years.
Several comparative and noncomparative trials of this type have been carried out
during the last two decades, enrolling thousands of patients. Almost without
exception, the new strategy improved patients’ outcomes compared with
traditional adult treatments in B-lineage and T-lineage Philadelphia (Ph)
chromosome-negative B-ALL, while the use of tyrosine kinase inhibitors (TKI) led
to comparative progress in Ph+ ALL, a former high-risk subset more typically
observed in older age groups. At present, highly effective pediatric-based
regimens warrant 5-year survival rates of 60–70% in AYA patients. In view of
these data, the same approach was progressively extended to older patients,
improving the results up to 55 years of age. Issues of treatment compliance and
drug-related toxicity have thus far prevented a comparable therapeutic
advancement in patients aged >55 years. This critical review updates and
summarizes with pertinent examples this global, positive therapeutic change, and
examines how to promote further progress with new targeted therapies that
include novel immuno-therapeutics and other agents developed against the many
molecular dysfunctions detectable in various ALL subsets. Substantial progress
is expected to occur soon, bringing AYA survival figures very close to that of
children, and also to improve the outcome of ALL at all ages.
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Affiliation(s)
| | | | - Cristina Skert
- UOC Ematologia, Ospedale dell'Angelo, Venezia, Mestre, Italy
| | - Renato Bassan
- UOC Ematologia, Ospedale dell'Angelo, Via Paccagnella 11, Venezia, Mestre, 30174, Italy
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44
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Teachey DT, O'Connor D. How I treat newly diagnosed T-cell acute lymphoblastic leukemia and T-cell lymphoblastic lymphoma in children. Blood 2020; 135:159-166. [PMID: 31738819 PMCID: PMC6966932 DOI: 10.1182/blood.2019001557] [Citation(s) in RCA: 81] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Accepted: 11/14/2019] [Indexed: 12/11/2022] Open
Abstract
T-cell acute lymphoblastic leukemia (T-ALL) is an aggressive malignancy that has historically been associated with a very poor prognosis. Nevertheless, despite a lack of incorporation of novel agents, the development of intensified T-ALL-focused protocols has resulted in significant improvements in outcome in children. Through the use of several representative cases, we highlight the key changes that have driven these advances including asparaginase intensification, the use of induction dexamethasone, and the safe omission of cranial radiotherapy. We discuss the results of recent trials to explore key topics including the implementation of risk stratification with minimal residual disease measurement and how to treat high-risk subtypes such as early T-cell precursor ALL. In particular, we address current discrepancies in treatment between different cooperative groups, including the use of nelarabine, and provide rationales for current treatment protocols for both T-ALL and T-lymphoblastic lymphoma.
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Affiliation(s)
- David T Teachey
- Division of Oncology, Department of Pediatrics, Children's Hospital of Philadelphia, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - David O'Connor
- Department of Haematology, University College London (UCL) Cancer Institute, London, United Kingdom; and
- Department of Haematology, Great Ormond Street Hospital for Children, London, United Kingdom
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45
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Germano G, Valsecchi MG, Buldini B, Cazzaniga G, Zanon C, Silvestri D, Te Kronnie G, Basso G, Paganin M. Next-generation sequencing of PTEN mutations for monitoring minimal residual disease in T-cell acute lymphoblastic leukemia. Pediatr Blood Cancer 2020; 67:e28025. [PMID: 31571345 DOI: 10.1002/pbc.28025] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Revised: 08/30/2019] [Accepted: 09/12/2019] [Indexed: 12/13/2022]
Abstract
Minimal residual disease (MRD) analysis has become a powerful indicator to refine therapy in acute lymphoblastic leukemia (ALL). Here, we present an MRD detection based on the next-generation sequencing of PTEN exon 7 mutations (NGS-PTEN) in 30 pediatric T-cell ALL patients. By comparing the NGS-PTEN results with current quantitative PCR of antigen receptor gene rearrangements (qPCR-Ig/TR), an overall concordance of 80% was found between the two methods. However, the NGS-PTEN qualified a lower number of high-risk patients than qPCR-Ig/TR. These findings suggest that NGS-PTEN is a promising tool that could potentially be used to support current MRD methodologies for T-ALL patients.
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Affiliation(s)
- Giuseppe Germano
- Foundation Institute of Pediatric Research Città della Speranza, Padua, Italy
| | - Maria Grazia Valsecchi
- Center of Biostatistics for Clinical Epidemiology, Department of Health Sciences, University of Milano-Bicocca, Milan, Italy
| | - Barbara Buldini
- Department of Woman's and Child's Health, University-Hospital of Padua, Padua, Italy
| | - Giovanni Cazzaniga
- Department of Pediatrics, Ospedale S. Gerardo, University of Milano-Bicocca, Fondazione MBBM, Monza, Italy
| | - Carlo Zanon
- Foundation Institute of Pediatric Research Città della Speranza, Padua, Italy
| | - Daniela Silvestri
- Center of Biostatistics for Clinical Epidemiology, Department of Health Sciences, University of Milano-Bicocca, Milan, Italy
| | - Geertruij Te Kronnie
- Department of Woman's and Child's Health, University-Hospital of Padua, Padua, Italy
| | - Giuseppe Basso
- Department of Woman's and Child's Health, University-Hospital of Padua, Padua, Italy
| | - Maddalena Paganin
- Department of Woman's and Child's Health, University-Hospital of Padua, Padua, Italy
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Vega-García N, Perez-Jaume S, Esperanza-Cebollada E, Vicente-Garcés C, Torrebadell M, Jiménez-Velasco A, Ortega M, Llop M, Abad L, Vagace JM, Minguela A, Pratcorona M, Sánchez-Garcia J, García-Calderón CB, Gómez-Casares MT, Martín-Clavero E, Escudero A, Riñón Martinez-Gallo M, Muñoz L, Velasco MR, García-Morin M, Català A, Pascual A, Velasco P, Fernández JM, Lassaletta A, Fuster JL, Badell I, Molinos-Quintana Á, Molinés A, Guerra-García P, Pérez-Martínez A, García-Abós M, Robles Ortiz R, Pisa S, Adán R, Díaz de Heredia C, Dapena JL, Rives S, Ramírez-Orellana M, Camós M. Measurable Residual Disease Assessed by Flow-Cytometry Is a Stable Prognostic Factor for Pediatric T-Cell Acute Lymphoblastic Leukemia in Consecutive SEHOP Protocols Whereas the Impact of Oncogenetics Depends on Treatment. Front Pediatr 2020; 8:614521. [PMID: 33614543 PMCID: PMC7892614 DOI: 10.3389/fped.2020.614521] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Accepted: 12/31/2020] [Indexed: 12/14/2022] Open
Abstract
Robust and applicable risk-stratifying genetic factors at diagnosis in pediatric T-cell acute lymphoblastic leukemia (T-ALL) are still lacking, and most protocols rely on measurable residual disease (MRD) assessment. In our study, we aimed to analyze the impact of NOTCH1, FBXW7, PTEN, and RAS mutations, the measurable residual disease (MRD) levels assessed by flow cytometry (FCM-MRD) and other reported risk factors in a Spanish cohort of pediatric T-ALL patients. We included 199 patients treated with SEHOP and PETHEMA consecutive protocols from 1998 to 2019. We observed a better outcome of patients included in the newest SEHOP-PETHEMA-2013 protocol compared to the previous SHOP-2005 cohort. FCM-MRD significantly predicted outcome in both protocols, but the impact at early and late time points differed between protocols. The impact of FCM-MRD at late time points was more evident in SEHOP-PETHEMA 2013, whereas in SHOP-2005 FCM-MRD was predictive of outcome at early time points. Genetics impact was different in SHOP-2005 and SEHOP-PETHEMA-2013 cohorts: NOTCH1 mutations impacted on overall survival only in the SEHOP-PETHEMA-2013 cohort, whereas homozygous deletions of CDKN2A/B had a significantly higher CIR in SHOP-2005 patients. We applied the clinical classification combining oncogenetics, WBC count and MRD levels at the end of induction as previously reported by the FRALLE group. Using this score, we identified different subgroups of patients with statistically different outcome in both Spanish cohorts. In SHOP-2005, the FRALLE classifier identified a subgroup of high-risk patients with poorer survival. In the newest protocol SEHOP-PETHEMA-2013, a very low-risk group of patients with excellent outcome and no relapses was detected, with borderline significance. Overall, FCM-MRD, WBC count and oncogenetics may refine the risk-stratification, helping to design tailored approaches for pediatric T-ALL patients.
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Affiliation(s)
- Nerea Vega-García
- Haematology Laboratory, Hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain.,Developmental Tumor Biology Group, Leukemia and Other Pediatric Hemopathies, Institut de Recerca Sant Joan de Déu, Barcelona, Spain
| | - Sara Perez-Jaume
- Developmental Tumour Biology Laboratory, Institut de Recerca Hospital Sant Joan de Déu Barcelona, Barcelona, Spain
| | - Elena Esperanza-Cebollada
- Haematology Laboratory, Hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain.,Developmental Tumor Biology Group, Leukemia and Other Pediatric Hemopathies, Institut de Recerca Sant Joan de Déu, Barcelona, Spain
| | - Clara Vicente-Garcés
- Haematology Laboratory, Hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain.,Developmental Tumor Biology Group, Leukemia and Other Pediatric Hemopathies, Institut de Recerca Sant Joan de Déu, Barcelona, Spain
| | - Montserrat Torrebadell
- Haematology Laboratory, Hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain.,Developmental Tumor Biology Group, Leukemia and Other Pediatric Hemopathies, Institut de Recerca Sant Joan de Déu, Barcelona, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Instituto de Salud Carlos III, Madrid, Spain
| | | | - Margarita Ortega
- Cytogenetics Unit, Hematology Department, Hospital Vall d'Hebron, Barcelona, Spain
| | - Marta Llop
- Molecular Biology Unit, Clinical Analysis Service, La Fe University and Polytechnic Hospital, Valencia, Spain.,Centro de Investigación Biomédica en Red - Cáncer (CIBERONC CB16/12/00284), Madrid, Spain
| | - Lorea Abad
- Paediatric Hemato-Oncology Laboratory, Hospital Niño Jesús, Madrid, Spain
| | | | - Alfredo Minguela
- Immunology Service, Clinic University Hospital Virgen de la Arrixaca (HCUVA) and Instituto Murciano de Investigación Biosanitaria (IMIB), Murcia, Spain
| | - Marta Pratcorona
- Haematology Laboratory, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
| | | | - Clara B García-Calderón
- Instituto de Biomedicina de Sevilla (IBIS/Consejo Superior de Investigaciones Científicas (CSIC)/Centro de Investigación Biomédica en Red - Cáncer (CIBERONC)), Hospital Universitario Virgen del Rocío, Universidad de Sevilla, Seville, Spain
| | - María Teresa Gómez-Casares
- Biology and Molecular Haematology and Hemotherapy Service, Hospital Universitario de Gran Canaria Doctor Negrín, Las Palmas de Gran Canarias, Spain
| | - Estela Martín-Clavero
- Haematology-Cytology Department, Hospital Universitario 12 de Octubre, Madrid, Spain
| | - Adela Escudero
- Translational Research in Pediatric Oncology Hematopoietic Transplantation and Cell Therapy, Institute of Medical and Molecular Genetics (INGEMM), Hospital La Paz Institute for Health Research (IdiPAZ), Madrid, Spain
| | | | - Luz Muñoz
- Haematology Laboratory, Hospital Parc Taulí, Sabadell, Spain
| | | | - Marina García-Morin
- Paediatric Hematology Unit, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - Albert Català
- Developmental Tumor Biology Group, Leukemia and Other Pediatric Hemopathies, Institut de Recerca Sant Joan de Déu, Barcelona, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Instituto de Salud Carlos III, Madrid, Spain.,Paediatric Hematology and Oncology Departments, Hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain
| | | | - Pablo Velasco
- Pediatric Hematology and Oncology Department, Hospital Universitari Vall d'Hebron, Barcelona, Spain
| | - José Mª Fernández
- Haematology and Oncology Department, Hospital de La Fe, Valencia, Spain
| | - Alvaro Lassaletta
- Haematology and Oncology Department, Hospital Niño Jesús, Madrid, Spain
| | - José Luis Fuster
- Paediatric Oncohematology Department, Clinic University Hospital Virgen de la Arrixaca (HCUVA) and Instituto Murciano de Investigación Biosanitaria (IMIB), Murcia, Spain
| | - Isabel Badell
- Paediatric Hematology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
| | - Águeda Molinos-Quintana
- Instituto de Biomedicina de Sevilla (IBIS/Consejo Superior de Investigaciones Científicas (CSIC)/Centro de Investigación Biomédica en Red - Cáncer (CIBERONC)), Hospital Universitario Virgen del Rocío, Universidad de Sevilla, Seville, Spain
| | - Antonio Molinés
- Unit of Hematology and Hemotherapy, H.U. Materno Infantil de Canarias, Canarias, Spain
| | - Pilar Guerra-García
- Paediatric Hemato-Oncology Department, Hospital Universitario 12 de Octubre, Madrid, Spain.,Department of Pediatric Hemato-Oncology and Stem Cell Transplantation, La Paz University Hospital, Madrid, Spain
| | - Antonio Pérez-Martínez
- Translational Research in Pediatric Oncology Hematopoietic Transplantation and Cell Therapy, Institute of Medical and Molecular Genetics (INGEMM), Hospital La Paz Institute for Health Research (IdiPAZ), Madrid, Spain.,Department of Pediatric Hemato-Oncology and Stem Cell Transplantation, La Paz University Hospital, Madrid, Spain
| | - Miriam García-Abós
- Pediatric Onco-Hematology Department, Hospital Universitario Donostia, Donostia, Spain
| | - Reyes Robles Ortiz
- Pediatric Onco-Hematology Department, Complejo Hospitalario de Navarra, Navarra, Spain
| | - Sandra Pisa
- Paediatric Hematology Department, Hospital Parc Taulí, Sabadell, Spain
| | - Rosa Adán
- Haematology and Oncology Department, Hospital de Cruces, Bilbao, Spain
| | - Cristina Díaz de Heredia
- Pediatric Hematology and Oncology Department, Hospital Universitari Vall d'Hebron, Barcelona, Spain
| | - José Luis Dapena
- Developmental Tumor Biology Group, Leukemia and Other Pediatric Hemopathies, Institut de Recerca Sant Joan de Déu, Barcelona, Spain.,Paediatric Hematology and Oncology Departments, Hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain
| | - Susana Rives
- Developmental Tumor Biology Group, Leukemia and Other Pediatric Hemopathies, Institut de Recerca Sant Joan de Déu, Barcelona, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Instituto de Salud Carlos III, Madrid, Spain.,Paediatric Hematology and Oncology Departments, Hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain
| | | | - Mireia Camós
- Haematology Laboratory, Hospital Sant Joan de Déu, University of Barcelona, Barcelona, Spain.,Developmental Tumor Biology Group, Leukemia and Other Pediatric Hemopathies, Institut de Recerca Sant Joan de Déu, Barcelona, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Instituto de Salud Carlos III, Madrid, Spain
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Sakhdari A, Thakral B, Loghavi S, Kanagal-Shamanna R, Yin CC, Zuo Z, Routbort MJ, Luthra R, Medeiros LJ, Wang SA, Patel KP, Ok CY. RAS and TP53 can predict survival in adults with T-cell lymphoblastic leukemia treated with hyper-CVAD. Cancer Med 2019; 9:849-858. [PMID: 31804006 PMCID: PMC6997098 DOI: 10.1002/cam4.2757] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Revised: 11/15/2019] [Accepted: 11/19/2019] [Indexed: 11/05/2022] Open
Abstract
Adult T-cell acute lymphoblastic leukemia (T-ALL) is a heterogeneous group of acute leukemias that account for about one third of all cases of Philadelphia chromosome (Ph)-negative ALL. Recently, a molecular classifier using the mutational status of NOTCH1, FBXW7, RAS, and PTEN (NFRP) has been shown to distinguish low- vs high-risk groups in adult T-ALL patients treated using the Berlin-Frankfurt-Münster ALL protocol. However, it is unknown if this molecular classifier can stratify adult T-ALL patients treated with hyper-CVAD ± nelarabine. We identified a relatively small cohort of 27 adults with T-ALL who were uniformly treated with hyper-CVAD ± nelarabine with available mutational analysis at time of diagnosis. The most commonly mutated genes in this group were NOTCH1 (52%), NRAS (22%), DNMT3A (19%), KRAS (15%), and TP53 (7%). The NFRP molecular classifier failed to stratify overall survival (OS; P = .84) and relapse-free survival (RFS; P = .18) in this cohort. We developed a new stratification model combining K/NRAS and TP53 mutations as high-risk factors and showed that mutations in these genes predicted poorer OS (P = .03) and RFS (P = .04). While the current study is limited by cohort size, these data suggest that the NFRP molecular classifier might not be applicable to adult T-ALL patients treated with hyper-CVAD ± nelarabine. RAS/TP53 mutation status, however, was useful in risk stratification in adults with T-ALL.
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Affiliation(s)
- Ali Sakhdari
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Beenu Thakral
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Sanam Loghavi
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Rashmi Kanagal-Shamanna
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - C Cameron Yin
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Zhuang Zuo
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Mark J Routbort
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Rajyalakshmi Luthra
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - L Jeffrey Medeiros
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Sa A Wang
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Keyur P Patel
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Chi Young Ok
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
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Flavone inhibited proliferation of T-ALL by promoting c-Cbl-induced ubiquitinylation and degradation of Notch1. Biochem Biophys Res Commun 2019; 522:684-689. [PMID: 31785807 DOI: 10.1016/j.bbrc.2019.11.148] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Accepted: 11/22/2019] [Indexed: 01/05/2023]
Abstract
Aberrant activation of Notch1 signaling frequently occurs in T-cell acute lymphoblastic leukemia (T-ALL). Notch1 activation causes release of intracellular Notch1 (ICN1, the activated form of Notch1) from cell membrane to cytoplasm. As a transcription factor, ICN1 must be transferred into nucleus and bind to the promoters of its downstream target genes. E3 ubiquitin ligase induces ICN1 degradation in cytoplasm, which blocks ICN1 transfer into the nucleus. Flavone is a natural plant polyphenol, demonstrated to have anti-cancer effects in vitro and in vivo in breast and colon cancers. However, the effects of flavone on leukemia have not been reported. In this study, we demonstrated that flavone inhibited cell proliferation by down-regulating Notch1 signal pathway in CCRF-CEM and Molt-4 T-ALL cells. Flavone-mediated upregulation of c-Cbl level results in the increase in its interaction with ICN1, further caused ICN1 ubiquitinylation and degradation. Knockdown of c-Cbl reversed flavone-induced down-regulation of ICN1 and inhibition of cell proliferation in T-ALL cells. In short, this study indicated that flavone exerted resistance to T-ALL by promoting c-Cbl-induced ubiquitinylation and degradation of ICN1.
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49
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De Smedt R, Morscio J, Goossens S, Van Vlierberghe P. Targeting steroid resistance in T-cell acute lymphoblastic leukemia. Blood Rev 2019; 38:100591. [PMID: 31353059 DOI: 10.1016/j.blre.2019.100591] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Revised: 07/15/2019] [Accepted: 07/18/2019] [Indexed: 12/16/2022]
Abstract
T-cell acute lymphoblastic leukemia (T-ALL) is characterized by a variable response to steroids during induction and/or consolidation therapy. Notably, recent work suggested that these differences in glucocorticoid sensitivity might, at least in part, be mediated by hyperactivation of specific oncogenic pathways such as RAS/MEK/ERK, PI3K/AKT and IL7R/JAK/STAT. In this review, we elaborate on putative associations between aberrant signaling, therapy resistance, incidence of relapse and clinical outcome in human T-ALL. Furthermore, we emphasize that this potential association with clinical parameters might also be mediated by the tumor microenvironment as a result of increased sensitivity of leukemic T-cells towards cytokine induced signaling pathway activation. With this in mind, we provide an overview of small molecule inhibitors that might have clinical potential for the treatment of human T-ALL in the near future as a result of their ability to overcome steroid resistance thereby potentially increasing survival rates in this aggressive hematological neoplasm.
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Affiliation(s)
- Renate De Smedt
- Department of Biomolecular Medicine, Ghent University, Ghent, Belgium; Cancer Research Institute Ghent (CRIG), Ghent, Belgium
| | - Julie Morscio
- Department of Biomolecular Medicine, Ghent University, Ghent, Belgium; Cancer Research Institute Ghent (CRIG), Ghent, Belgium
| | - Steven Goossens
- Department of Biomolecular Medicine, Ghent University, Ghent, Belgium; Cancer Research Institute Ghent (CRIG), Ghent, Belgium; Department of Biomedical Molecular Biology, Ghent University, Ghent, Belgium
| | - Pieter Van Vlierberghe
- Department of Biomolecular Medicine, Ghent University, Ghent, Belgium; Cancer Research Institute Ghent (CRIG), Ghent, Belgium.
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50
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Abstract
Advances in genomic research and risk-directed therapy have led to improvements in the long-term survival and quality of life outcomes of patients with childhood acute lymphoblastic leukaemia (ALL). The application of next-generation sequencing technologies, especially transcriptome sequencing, has resulted in the identification of novel molecular subtypes of ALL with prognostic and therapeutic implications, as well as cooperative mutations that account for much of the heterogeneity in clinical responses observed among patients with specific ALL subtypes. In addition, germline genetic variants have been shown to influence the risk of developing ALL and/or the responses of non-malignant and leukaemia cells to therapy; shared pathways for drug activation and metabolism are implicated in treatment-related toxicity and drug sensitivity or resistance, depending on whether the genetic changes are germline, somatic or both. Indeed, although once considered a non-hereditary disease, genomic investigations of familial and sporadic ALL have revealed a growing number of genetic alterations or conditions that predispose individuals to the development of ALL and treatment-related second cancers. The identification of these genetic alterations holds the potential to direct genetic counselling, testing and possibly monitoring for the early detection of ALL and other cancers. Herein, we review these advances in our understanding of the genomic landscape of childhood ALL and their clinical implications.
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