1
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De Coninck S, Roels J, Lintermans B, T’Sas S, Taghon T, Curtis DJ, Pieters T, Goossens S, Van Vlierberghe P. Tet2 is a tumor suppressor in the preleukemic phase of T-cell acute lymphoblastic leukemia. Blood Adv 2024; 8:2646-2649. [PMID: 38536906 PMCID: PMC11157202 DOI: 10.1182/bloodadvances.2023011970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Accepted: 02/28/2024] [Indexed: 05/30/2024] Open
Affiliation(s)
- Stien De Coninck
- Department of Biomolecular Medicine, Laboratory of Normal and Malignant Hematopoiesis, Ghent University, Ghent, Belgium
- Cancer Research Institute Ghent, Ghent, Belgium
- Department of Diagnostic Sciences, Unit for Translational Research in Oncology, Ghent University, Ghent, Belgium
| | - Juliette Roels
- Department of Biomolecular Medicine, Laboratory of Normal and Malignant Hematopoiesis, Ghent University, Ghent, Belgium
- Cancer Research Institute Ghent, Ghent, Belgium
- Department of Diagnostic Sciences, Taghon Laboratory, Ghent University, Ghent, Belgium
| | - Béatrice Lintermans
- Department of Biomolecular Medicine, Laboratory of Normal and Malignant Hematopoiesis, Ghent University, Ghent, Belgium
- Cancer Research Institute Ghent, Ghent, Belgium
| | - Sara T’Sas
- Department of Biomolecular Medicine, Laboratory of Normal and Malignant Hematopoiesis, Ghent University, Ghent, Belgium
- Cancer Research Institute Ghent, Ghent, Belgium
- Department of Diagnostic Sciences, Unit for Translational Research in Oncology, Ghent University, Ghent, Belgium
| | - Tom Taghon
- Department of Diagnostic Sciences, Taghon Laboratory, Ghent University, Ghent, Belgium
| | - David J. Curtis
- Australian Centre for Blood Diseases, Central Clinical School, Monash University, Melbourne, VIC, Australia
- Department of Clinical Haematology, Alfred Hospital, Prahran, VIC, Australia
| | - Tim Pieters
- Department of Biomolecular Medicine, Laboratory of Normal and Malignant Hematopoiesis, Ghent University, Ghent, Belgium
- Cancer Research Institute Ghent, Ghent, Belgium
- Department of Diagnostic Sciences, Unit for Translational Research in Oncology, Ghent University, Ghent, Belgium
- Department of Biomolecular Medicine, Laboratory for research in oncogenesis and resistance to therapy, Ghent University, Ghent, Belgium
| | - Steven Goossens
- Cancer Research Institute Ghent, Ghent, Belgium
- Department of Diagnostic Sciences, Unit for Translational Research in Oncology, Ghent University, Ghent, Belgium
| | - Pieter Van Vlierberghe
- Department of Biomolecular Medicine, Laboratory of Normal and Malignant Hematopoiesis, Ghent University, Ghent, Belgium
- Cancer Research Institute Ghent, Ghent, Belgium
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2
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Sadiq FA, De Reu K, Yang N, Burmølle M, Heyndrickx M. Interspecies interactions in dairy biofilms drive community structure and response against cleaning and disinfection. Biofilm 2024; 7:100195. [PMID: 38639000 PMCID: PMC11024912 DOI: 10.1016/j.bioflm.2024.100195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Revised: 03/13/2024] [Accepted: 03/28/2024] [Indexed: 04/20/2024] Open
Abstract
Interspecies interactions within a biofilm community influence population dynamics and community structure, which in turn may affect the bacterial stress response to antimicrobials. This study was conducted to assess the impact of interactions between Kocuria salsicia and a three-species biofilm community (comprising Stenotrophomonas rhizophila, Bacillus licheniformis, and Microbacterium lacticum) on biofilm mass, the abundance of individual species, and their survival under a laboratory-scale cleaning and disinfection (C&D) regime. The presence of K. salsicia enhanced the cell numbers of all three species in pairwise interactions. The outcomes derived from summing up pairwise interactions did not accurately predict the bacterial population dynamics within communities of more than two species. In four-species biofilms, we observed the dominance of S. rhizophila and B. licheniformis, alongside a concurrent reduction in the cell counts of K. salsicia and M. lacticum. This pattern suggests that the underlying interactions are not purely non-transitive; instead, a more complex interplay results in the dominance of specific species. We observed that bacterial spatial organization and matrix production in different mixed-species combinations affected survival in response to C&D. Confocal microscopy analysis of spatial organization showed that S. rhizophila localized on the biofilm formed by B. licheniformis and M. lacticum, and S. rhizophila was more susceptible to C&D. Matrix production in B. licheniformis, evidenced by alterations in biofilm mass and by scanning electron microscopy, demonstrated its protective role against C&D, not only for this species itself, but also for neighbouring species. Our findings emphasise that various social interactions within a biofilm community not only affect bacterial population dynamics but also influence the biofilm community's response to C&D stress.
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Affiliation(s)
- Faizan Ahmed Sadiq
- Flanders Research Institute for Agriculture, Fisheries and Food (ILVO), Technology and Food Science Unit, Brusselsesteenweg 370, 9090, Melle, Belgium
- Advanced Therapies Group, School of Dentistry, Cardiff University, Cardiff, UK
| | - Koen De Reu
- Flanders Research Institute for Agriculture, Fisheries and Food (ILVO), Technology and Food Science Unit, Brusselsesteenweg 370, 9090, Melle, Belgium
| | - Nan Yang
- Section of Microbiology, Department of Biology, University of Copenhagen, Universitetsparken 15, 2100, Copenhagen, Denmark
| | - Mette Burmølle
- Section of Microbiology, Department of Biology, University of Copenhagen, Universitetsparken 15, 2100, Copenhagen, Denmark
| | - Marc Heyndrickx
- Flanders Research Institute for Agriculture, Fisheries and Food (ILVO), Technology and Food Science Unit, Brusselsesteenweg 370, 9090, Melle, Belgium
- Ghent University, Department of Pathobiology, Pharmacology and Zoological Medicine, Salisburylaan 133, B-9820, Merelbeke, Belgium
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3
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O'Connor KW, Kishimoto K, Kuzma IO, Wagner KP, Selway JS, Roderick JE, Karna KK, Gallagher KM, Hu K, Liu H, Li R, Brehm MA, Zhu LJ, Curtis DJ, Tremblay CS, Kelliher MA. The role of quiescent thymic progenitors in TAL/LMO2-induced T-ALL chemotolerance. Leukemia 2024; 38:951-962. [PMID: 38553571 PMCID: PMC11073972 DOI: 10.1038/s41375-024-02232-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 03/08/2024] [Accepted: 03/14/2024] [Indexed: 05/08/2024]
Abstract
Relapse in T-cell acute lymphoblastic leukemia (T-ALL) may signify the persistence of leukemia-initiating cells (L-ICs). Ectopic TAL1/LMO expression defines the largest subset of T-ALL, but its role in leukemic transformation and its impact on relapse-driving L-ICs remain poorly understood. In TAL1/LMO mouse models, double negative-3 (DN3; CD4-CD8-CD25+CD44-) thymic progenitors harbored L-ICs. However, only a subset of DN3 leukemic cells exhibited L-IC activity, and studies linking L-ICs and chemotolerance are needed. To investigate L-IC heterogeneity, we used mouse models and applied single-cell RNA-sequencing and nucleosome labeling techniques in vivo. We identified a DN3 subpopulation with a cell cycle-restricted profile and heightened TAL1/LMO2 activity, that expressed genes associated with stemness and quiescence. This dormant DN3 subset progressively expanded throughout leukemogenesis, displaying intrinsic chemotolerance and enrichment in genes linked to minimal residual disease. Examination of TAL/LMO patient samples revealed a similar pattern in CD7+CD1a- thymic progenitors, previously recognized for their L-IC activity, demonstrating cell cycle restriction and chemotolerance. Our findings substantiate the emergence of dormant, chemotolerant L-ICs during leukemogenesis, and demonstrate that Tal1 and Lmo2 cooperate to promote DN3 quiescence during the transformation process. This study provides a deeper understanding of TAL1/LMO-induced T-ALL and its clinical implications in therapy failure.
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Affiliation(s)
- Kevin W O'Connor
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
- Medical Scientist Training Program, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
| | - Kensei Kishimoto
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
- Medical Scientist Training Program, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
| | - Irena O Kuzma
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
| | - Kelsey P Wagner
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
| | - Jonathan S Selway
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
| | - Justine E Roderick
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
| | - Keshab K Karna
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
| | - Kayleigh M Gallagher
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
| | - Kai Hu
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
| | - Haibo Liu
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
| | - Rui Li
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
| | - Michael A Brehm
- Program in Molecular Medicine, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
| | - Lihua Julie Zhu
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
| | - David J Curtis
- Australian Centre for Blood Diseases (ACBD), Central Clinical School, Monash University, Melbourne, VIC, 3004, Australia
| | - Cedric S Tremblay
- Department of Immunology, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB, R3E 0T5, Canada
- Paul Albrechtsen Research Institute CCMB, CancerCare Manitoba (CCMB), Winnipeg, MB, R3E 0V9, Canada
| | - Michelle A Kelliher
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA.
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4
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Fregona V, Bayet M, Bouttier M, Largeaud L, Hamelle C, Jamrog LA, Prade N, Lagarde S, Hebrard S, Luquet I, Mansat-De Mas V, Nolla M, Pasquet M, Didier C, Khamlichi AA, Broccardo C, Delabesse É, Mancini SJ, Gerby B. Stem cell-like reprogramming is required for leukemia-initiating activity in B-ALL. J Exp Med 2024; 221:e20230279. [PMID: 37930337 PMCID: PMC10626194 DOI: 10.1084/jem.20230279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 08/31/2023] [Accepted: 10/03/2023] [Indexed: 11/07/2023] Open
Abstract
B cell acute lymphoblastic leukemia (B-ALL) is a multistep disease characterized by the hierarchical acquisition of genetic alterations. However, the question of how a primary oncogene reprograms stem cell-like properties in committed B cells and leads to a preneoplastic population remains unclear. Here, we used the PAX5::ELN oncogenic model to demonstrate a causal link between the differentiation blockade, the self-renewal, and the emergence of preleukemic stem cells (pre-LSCs). We show that PAX5::ELN disrupts the differentiation of preleukemic cells by enforcing the IL7r/JAK-STAT pathway. This disruption is associated with the induction of rare and quiescent pre-LSCs that sustain the leukemia-initiating activity, as assessed using the H2B-GFP model. Integration of transcriptomic and chromatin accessibility data reveals that those quiescent pre-LSCs lose B cell identity and reactivate an immature molecular program, reminiscent of human B-ALL chemo-resistant cells. Finally, our transcriptional regulatory network reveals the transcription factor EGR1 as a strong candidate to control quiescence/resistance of PAX5::ELN pre-LSCs as well as of blasts from human B-ALL.
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Affiliation(s)
- Vincent Fregona
- Université de Toulouse, Inserm, Centre Nationale de la Recherche Scientifique, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Equipe Labellisée Ligue Contre le Cancer 2023, Toulouse, France
- Équipe Labellisée Institut Carnot Opale, Toulouse, France
| | - Manon Bayet
- Université de Toulouse, Inserm, Centre Nationale de la Recherche Scientifique, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Equipe Labellisée Ligue Contre le Cancer 2023, Toulouse, France
- Équipe Labellisée Institut Carnot Opale, Toulouse, France
| | - Mathieu Bouttier
- Université de Toulouse, Inserm, Centre Nationale de la Recherche Scientifique, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Equipe Labellisée Ligue Contre le Cancer 2023, Toulouse, France
- Équipe Labellisée Institut Carnot Opale, Toulouse, France
| | - Laetitia Largeaud
- Université de Toulouse, Inserm, Centre Nationale de la Recherche Scientifique, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Equipe Labellisée Ligue Contre le Cancer 2023, Toulouse, France
- Équipe Labellisée Institut Carnot Opale, Toulouse, France
- Institut Universitaire du Cancer de Toulouse-Oncopole, Toulouse, France
- Centre Hospitalier Universitaire de Toulouse, Toulouse, France
| | - Camille Hamelle
- Université de Toulouse, Inserm, Centre Nationale de la Recherche Scientifique, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Equipe Labellisée Ligue Contre le Cancer 2023, Toulouse, France
- Équipe Labellisée Institut Carnot Opale, Toulouse, France
| | - Laura A. Jamrog
- Université de Toulouse, Inserm, Centre Nationale de la Recherche Scientifique, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Equipe Labellisée Ligue Contre le Cancer 2023, Toulouse, France
- Équipe Labellisée Institut Carnot Opale, Toulouse, France
| | - Naïs Prade
- Université de Toulouse, Inserm, Centre Nationale de la Recherche Scientifique, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Equipe Labellisée Ligue Contre le Cancer 2023, Toulouse, France
- Équipe Labellisée Institut Carnot Opale, Toulouse, France
- Institut Universitaire du Cancer de Toulouse-Oncopole, Toulouse, France
- Centre Hospitalier Universitaire de Toulouse, Toulouse, France
| | - Stéphanie Lagarde
- Université de Toulouse, Inserm, Centre Nationale de la Recherche Scientifique, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Equipe Labellisée Ligue Contre le Cancer 2023, Toulouse, France
- Équipe Labellisée Institut Carnot Opale, Toulouse, France
- Institut Universitaire du Cancer de Toulouse-Oncopole, Toulouse, France
- Centre Hospitalier Universitaire de Toulouse, Toulouse, France
| | - Sylvie Hebrard
- Université de Toulouse, Inserm, Centre Nationale de la Recherche Scientifique, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Equipe Labellisée Ligue Contre le Cancer 2023, Toulouse, France
- Équipe Labellisée Institut Carnot Opale, Toulouse, France
| | - Isabelle Luquet
- Université de Toulouse, Inserm, Centre Nationale de la Recherche Scientifique, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Equipe Labellisée Ligue Contre le Cancer 2023, Toulouse, France
- Équipe Labellisée Institut Carnot Opale, Toulouse, France
- Institut Universitaire du Cancer de Toulouse-Oncopole, Toulouse, France
- Centre Hospitalier Universitaire de Toulouse, Toulouse, France
| | - Véronique Mansat-De Mas
- Université de Toulouse, Inserm, Centre Nationale de la Recherche Scientifique, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Institut Universitaire du Cancer de Toulouse-Oncopole, Toulouse, France
- Centre Hospitalier Universitaire de Toulouse, Toulouse, France
| | - Marie Nolla
- Université de Toulouse, Inserm, Centre Nationale de la Recherche Scientifique, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Equipe Labellisée Ligue Contre le Cancer 2023, Toulouse, France
- Équipe Labellisée Institut Carnot Opale, Toulouse, France
- Centre Hospitalier Universitaire de Toulouse, Toulouse, France
| | - Marlène Pasquet
- Université de Toulouse, Inserm, Centre Nationale de la Recherche Scientifique, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Equipe Labellisée Ligue Contre le Cancer 2023, Toulouse, France
- Équipe Labellisée Institut Carnot Opale, Toulouse, France
- Centre Hospitalier Universitaire de Toulouse, Toulouse, France
| | - Christine Didier
- Université de Toulouse, Inserm, Centre Nationale de la Recherche Scientifique, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Equipe Labellisée Ligue Contre le Cancer 2023, Toulouse, France
- Équipe Labellisée Institut Carnot Opale, Toulouse, France
| | - Ahmed Amine Khamlichi
- Institut de Pharmacologie et de Biologie Structurale, Université de Toulouse, Centre Nationale de la Recherche Scientifique, Université Toulouse III—Paul Sabatier (UT3), Toulouse, France
| | - Cyril Broccardo
- Université de Toulouse, Inserm, Centre Nationale de la Recherche Scientifique, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Equipe Labellisée Ligue Contre le Cancer 2023, Toulouse, France
- Équipe Labellisée Institut Carnot Opale, Toulouse, France
| | - Éric Delabesse
- Université de Toulouse, Inserm, Centre Nationale de la Recherche Scientifique, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Equipe Labellisée Ligue Contre le Cancer 2023, Toulouse, France
- Équipe Labellisée Institut Carnot Opale, Toulouse, France
- Institut Universitaire du Cancer de Toulouse-Oncopole, Toulouse, France
- Centre Hospitalier Universitaire de Toulouse, Toulouse, France
| | - Stéphane J.C. Mancini
- Université de Rennes, Etablissement Français du Sang, Inserm, MOBIDIC—UMR_S 1236, Rennes, France
| | - Bastien Gerby
- Université de Toulouse, Inserm, Centre Nationale de la Recherche Scientifique, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Equipe Labellisée Ligue Contre le Cancer 2023, Toulouse, France
- Équipe Labellisée Institut Carnot Opale, Toulouse, France
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5
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Salavaty A, Azadian E, Naik SH, Currie PD. Clonal selection parallels between normal and cancer tissues. Trends Genet 2023; 39:358-380. [PMID: 36842901 DOI: 10.1016/j.tig.2023.01.007] [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: 07/27/2022] [Revised: 01/12/2023] [Accepted: 01/26/2023] [Indexed: 02/28/2023]
Abstract
Clonal selection and drift drive both normal tissue and cancer development. However, the biological mechanisms and environmental conditions underpinning these processes remain to be elucidated. Clonal selection models are centered in Darwinian evolutionary theory, where some clones with the fittest features are selected and populate the tissue or tumor. We suggest that different subclasses of stem cells, each of which is responsible for a distinct feature of the selection process, share common features between normal and cancer conditions. While active stem cells populate the tissue, dormant cells account for tissue replenishment/regeneration in both normal and cancerous tissues. We also discuss potential mechanisms that drive clonal drift, their interactions with clonal selection, and their similarities during normal and cancer tissue development.
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Affiliation(s)
- Adrian Salavaty
- Australian Regenerative Medicine Institute, Monash University, Clayton, VIC 3800, Australia; Systems Biology Institute Australia, Monash University, Clayton, VIC 3800, Australia.
| | - Esmaeel Azadian
- Immunology Division, Walter and Eliza Hall Institute, Parkville, VIC, Australia; Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia; Faculty of Medicine, Dentistry and Health Sciences, University of Melbourne, Parkville, VIC, Australia
| | - Shalin H Naik
- Immunology Division, Walter and Eliza Hall Institute, Parkville, VIC, Australia; Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia; Faculty of Medicine, Dentistry and Health Sciences, University of Melbourne, Parkville, VIC, Australia
| | - Peter D Currie
- Australian Regenerative Medicine Institute, Monash University, Clayton, VIC 3800, Australia; EMBL Australia, Monash University, Clayton, VIC 3800, Australia.
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6
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Schirripa A, Sexl V, Kollmann K. Cyclin-dependent kinase inhibitors in malignant hematopoiesis. Front Oncol 2022; 12:916682. [PMID: 36033505 PMCID: PMC9403899 DOI: 10.3389/fonc.2022.916682] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Accepted: 07/18/2022] [Indexed: 11/13/2022] Open
Abstract
The cell-cycle is a tightly orchestrated process where sequential steps guarantee cellular growth linked to a correct DNA replication. The entire cell division is controlled by cyclin-dependent kinases (CDKs). CDK activation is balanced by the activating cyclins and CDK inhibitors whose correct expression, accumulation and degradation schedule the time-flow through the cell cycle phases. Dysregulation of the cell cycle regulatory proteins causes the loss of a controlled cell division and is inevitably linked to neoplastic transformation. Due to their function as cell-cycle brakes, CDK inhibitors are considered as tumor suppressors. The CDK inhibitors p16INK4a and p15INK4b are among the most frequently altered genes in cancer, including hematopoietic malignancies. Aberrant cell cycle regulation in hematopoietic stem cells (HSCs) bears severe consequences on hematopoiesis and provokes hematological disorders with a broad array of symptoms. In this review, we focus on the importance and prevalence of deregulated CDK inhibitors in hematological malignancies.
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7
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Wu L, Chatla S, Lin Q, Chowdhury FA, Geldenhuys W, Du W. Quinacrine-CASIN combination overcomes chemoresistance in human acute lymphoid leukemia. Nat Commun 2021; 12:6936. [PMID: 34836965 PMCID: PMC8626516 DOI: 10.1038/s41467-021-27300-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Accepted: 11/11/2021] [Indexed: 01/30/2023] Open
Abstract
Chemoresistance posts a major hurdle for treatment of acute leukemia. There is increasing evidence that prolonged and intensive chemotherapy often fails to eradicate leukemic stem cells, which are protected by the bone marrow niche and can induce relapse. Thus, new therapeutic approaches to overcome chemoresistance are urgently needed. By conducting an ex vivo small molecule screen, here we have identified Quinacrine (QC) as a sensitizer for Cytarabine (AraC) in treating acute lymphoblastic leukemia (ALL). We show that QC enhances AraC-mediated killing of ALL cells, and subsequently abrogates AraC resistance both in vitro and in an ALL-xenograft model. However, while combo AraC+QC treatment prolongs the survival of primary transplanted recipients, the combination exhibits limited efficacy in secondary transplanted recipients, consistent with the survival of niche-protected leukemia stem cells. Introduction of Cdc42 Activity Specific Inhibitor, CASIN, enhances the eradication of ALL leukemia stem cells by AraC+QC and prolongs the survival of both primary and secondary transplanted recipients without affecting normal long-term human hematopoiesis. Together, our findings identify a small-molecule regimen that sensitizes AraC-mediated leukemia eradication and provide a potential therapeutic approach for better ALL treatment.
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Affiliation(s)
- Limei Wu
- Division of Hematology and Oncology, University of Pittsburgh School of Medicine, Pittsburgh, USA
- Department of Pharmaceutical Sciences, School of Pharmacy, West Virginia University, Morgantown, WV, 26506, USA
| | - Srinivas Chatla
- Fels Cancer Institute for Personalized Medicine, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, 19140, USA
| | - Qiqi Lin
- Department of Pharmaceutical Sciences, School of Pharmacy, West Virginia University, Morgantown, WV, 26506, USA
| | - Fabliha Ahmed Chowdhury
- Department of Pharmaceutical Sciences, School of Pharmacy, West Virginia University, Morgantown, WV, 26506, USA
- Molecular Pharmacology Graduate Program, University of Pittsburgh School of Medicine, Pittsburgh, USA
| | - Werner Geldenhuys
- Department of Pharmaceutical Sciences, School of Pharmacy, West Virginia University, Morgantown, WV, 26506, USA
| | - Wei Du
- Division of Hematology and Oncology, University of Pittsburgh School of Medicine, Pittsburgh, USA.
- Department of Pharmaceutical Sciences, School of Pharmacy, West Virginia University, Morgantown, WV, 26506, USA.
- Molecular Pharmacology Graduate Program, University of Pittsburgh School of Medicine, Pittsburgh, USA.
- UPMC Hillman Cancer Center, Pittsburgh, PA, 15213, USA.
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8
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Fregona V, Bayet M, Gerby B. Oncogene-Induced Reprogramming in Acute Lymphoblastic Leukemia: Towards Targeted Therapy of Leukemia-Initiating Cells. Cancers (Basel) 2021; 13:cancers13215511. [PMID: 34771671 PMCID: PMC8582707 DOI: 10.3390/cancers13215511] [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: 10/07/2021] [Accepted: 10/28/2021] [Indexed: 12/16/2022] Open
Abstract
Simple Summary Acute lymphoblastic leukemia is a heterogeneous disease characterized by a diversity of genetic alterations, following a sophisticated and controversial organization. In this review, we present and discuss the concepts exploring the cellular, molecular and functional heterogeneity of leukemic cells. We also review the emerging evidence indicating that cell plasticity and oncogene-induced reprogramming should be considered at the biological and clinical levels as critical mechanisms for identifying and targeting leukemia-initiating cells. Abstract Our understanding of the hierarchical structure of acute leukemia has yet to be fully translated into therapeutic approaches. Indeed, chemotherapy still has to take into account the possibility that leukemia-initiating cells may have a distinct chemosensitivity profile compared to the bulk of the tumor, and therefore are spared by the current treatment, causing the relapse of the disease. Therefore, the identification of the cell-of-origin of leukemia remains a longstanding question and an exciting challenge in cancer research of the last few decades. With a particular focus on acute lymphoblastic leukemia, we present in this review the previous and current concepts exploring the phenotypic, genetic and functional heterogeneity in patients. We also discuss the benefits of using engineered mouse models to explore the early steps of leukemia development and to identify the biological mechanisms driving the emergence of leukemia-initiating cells. Finally, we describe the major prospects for the discovery of new therapeutic strategies that specifically target their aberrant stem cell-like functions.
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Tremblay CS, Ting SB, McCluskey A, Robinson PJ, Curtis DJ. Shutting the gate: targeting endocytosis in acute leukemia. Exp Hematol 2021; 104:17-31. [PMID: 34563604 DOI: 10.1016/j.exphem.2021.09.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 09/02/2021] [Accepted: 09/15/2021] [Indexed: 10/20/2022]
Abstract
Endocytosis entails selective packaging of cell surface cargos in cytoplasmic vesicles, thereby controlling key intrinsic cellular processes as well as the response of normal and malignant cells to their microenvironment. The purpose of this review is to outline the latest advances in the development of endocytosis-targeting therapeutic strategies in hematological malignancies.
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Affiliation(s)
- Cedric S Tremblay
- Australian Centre for Blood Diseases, Central Clinical School, Monash University, Melbourne, Victoria, Australia.
| | - Stephen B Ting
- Australian Centre for Blood Diseases, Central Clinical School, Monash University, Melbourne, Victoria, Australia; Department of Clinical Haematology, Eastern Health, Box Hill, Victoria, Australia; Department of Clinical Haematology, Alfred Hospital, Melbourne, Victoria, Australia
| | - Adam McCluskey
- Chemistry, Centre for Chemical Biology, School of Environmental and Life Sciences, University of Newcastle, Callaghan, New South Wales, Australia
| | - Phillip J Robinson
- Children's Cancer Institute, Lowy Cancer Research Centre, University of New South Wales, Sydney, New South Wales, Australia; Cell Signalling Unit, Children's Medical Research Institute, Sydney, New South Wales, Australia
| | - David J Curtis
- Australian Centre for Blood Diseases, Central Clinical School, Monash University, Melbourne, Victoria, Australia; Department of Clinical Haematology, Alfred Hospital, Melbourne, Victoria, Australia
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10
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New insights into TCR β-selection. Trends Immunol 2021; 42:735-750. [PMID: 34261578 DOI: 10.1016/j.it.2021.06.005] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 06/14/2021] [Accepted: 06/14/2021] [Indexed: 12/12/2022]
Abstract
T cell receptor (TCR) β-selection (herein referred to as β-selection) is a pivotal checkpoint in mammalian T cell development when immature CD4-CD8- T-cells (thymocytes) express pre-TCR following successful Tcrb gene rearrangement. At this stage, αβ T cell lineage commitment and allelic exclusion to restrict one β-chain per cell take place and thymocytes undergo a proliferative burst. β-selection is known to be crucially dependent upon synchronized Notch and pre-TCR signaling; however, other necessary inputs have been identified over the past decade, expanding our knowledge and understanding of the β-selection process. In this review, we discuss recent mechanistic findings that have enabled a more detailed decoding of the molecular dynamics of the β-selection checkpoint and have helped to elucidate its role in early T cell development.
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11
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Tremblay CS, Chiu SK, Saw J, McCalmont H, Litalien V, Boyle J, Sonderegger SE, Chau N, Evans K, Cerruti L, Salmon JM, McCluskey A, Lock RB, Robinson PJ, Jane SM, Curtis DJ. Small molecule inhibition of Dynamin-dependent endocytosis targets multiple niche signals and impairs leukemia stem cells. Nat Commun 2020; 11:6211. [PMID: 33277497 PMCID: PMC7719179 DOI: 10.1038/s41467-020-20091-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Accepted: 11/09/2020] [Indexed: 02/07/2023] Open
Abstract
Intensive chemotherapy for acute leukemia can usually induce complete remission, but fails in many patients to eradicate the leukemia stem cells responsible for relapse. There is accumulating evidence that these relapse-inducing cells are maintained and protected by signals provided by the microenvironment. Thus, inhibition of niche signals is a proposed strategy to target leukemia stem cells but this requires knowledge of the critical signals and may be subject to compensatory mechanisms. Signals from the niche require receptor-mediated endocytosis, a generic process dependent on the Dynamin family of large GTPases. Here, we show that Dynole 34-2, a potent inhibitor of Dynamin GTPase activity, can block transduction of key signalling pathways and overcome chemoresistance of leukemia stem cells. Our results provide a significant conceptual advance in therapeutic strategies for acute leukemia that may be applicable to other malignancies in which signals from the niche are involved in disease progression and chemoresistance. The tumour microenvironment provides signals to support leukaemic stem cells (LSC) maintenance and chemoresistance. Here, the authors show that disrupting niche-associated signalling by inhibiting receptor-mediated endocytosis with a dynamin GTPase inhibitor overcomes chemoresistance of LSC.
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Affiliation(s)
- Cedric S Tremblay
- Australian Centre for Blood Diseases, Central Clinical School, Monash University, Melbourne, VIC, Australia.
| | - Sung Kai Chiu
- Australian Centre for Blood Diseases, Central Clinical School, Monash University, Melbourne, VIC, Australia.,Department of Clinical Haematology, Alfred Health, Melbourne, VIC, Australia
| | - Jesslyn Saw
- Australian Centre for Blood Diseases, Central Clinical School, Monash University, Melbourne, VIC, Australia
| | - Hannah McCalmont
- Lowy Cancer Research Centre, Children's Cancer Institute, University of New South Wales, Sydney, NSW, Australia
| | - Veronique Litalien
- Australian Centre for Blood Diseases, Central Clinical School, Monash University, Melbourne, VIC, Australia
| | - Jacqueline Boyle
- Australian Centre for Blood Diseases, Central Clinical School, Monash University, Melbourne, VIC, Australia
| | - Stefan E Sonderegger
- Australian Centre for Blood Diseases, Central Clinical School, Monash University, Melbourne, VIC, Australia
| | - Ngoc Chau
- Cell Signalling Unit, Children's Medical Research Institute, Sydney, NSW, Australia
| | - Kathryn Evans
- Lowy Cancer Research Centre, Children's Cancer Institute, University of New South Wales, Sydney, NSW, Australia
| | - Loretta Cerruti
- Australian Centre for Blood Diseases, Central Clinical School, Monash University, Melbourne, VIC, Australia
| | - Jessica M Salmon
- Australian Centre for Blood Diseases, Central Clinical School, Monash University, Melbourne, VIC, Australia
| | - Adam McCluskey
- Chemistry, Centre for Chemical Biology, School of Environmental and Life Sciences, University of Newcastle, Callaghan, NSW, Australia
| | - Richard B Lock
- Lowy Cancer Research Centre, Children's Cancer Institute, University of New South Wales, Sydney, NSW, Australia
| | - Phillip J Robinson
- Cell Signalling Unit, Children's Medical Research Institute, Sydney, NSW, Australia
| | - Stephen M Jane
- Australian Centre for Blood Diseases, Central Clinical School, Monash University, Melbourne, VIC, Australia.,Department of Clinical Haematology, Alfred Health, Melbourne, VIC, Australia
| | - David J Curtis
- Australian Centre for Blood Diseases, Central Clinical School, Monash University, Melbourne, VIC, Australia.,Department of Clinical Haematology, Alfred Health, Melbourne, VIC, Australia
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12
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Chen Y, Zheng J, Gan D, Chen Y, Zhang N, Chen Y, Lin Z, Wang W, Chen H, Lin D, Hu J. E35 ablates acute leukemia stem and progenitor cells in vitro and in vivo. J Cell Physiol 2020; 235:8023-8034. [PMID: 31960417 PMCID: PMC7540425 DOI: 10.1002/jcp.29457] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Accepted: 01/03/2020] [Indexed: 12/11/2022]
Abstract
Leukemia stem cells (LSCs) have critical functions in acute leukemia (AL) pathogenesis, participating in its initiation and relapse. Thus, identifying new molecules to eradicate LSCs represents a high priority for AL management. This work identified E35, a novel Emodin derivative, which strongly inhibited growth and enhanced apoptosis of AL stem cell lines, and primary stem and progenitor cells from AL cases, while sparing normal hematopoietic cells. Furthermore, functional assays in cultured cells and animals suggested that E35 preferentially ablated primitive leukemia cell populations without impairing their normal counterparts. Moreover, molecular studies showed that E35 remarkably downregulated drug-resistant gene and dramatically inhibited the Akt/mammalian target of rapamycin signaling pathway. Notably, the in vivo anti-LSC activity of E35 was further confirmed in murine xenotransplantation models. Collectively, these findings indicate E35 constitutes a novel therapeutic candidate for AL, potentially targeting leukemia stem and progenitor cells.
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Affiliation(s)
- Yingyu Chen
- Department of HematologyFujian Institute of HematologyFujian Medical University Union HospitalFuzhouFujianChina
| | - Jing Zheng
- Department of HematologyFujian Institute of HematologyFujian Medical University Union HospitalFuzhouFujianChina
| | - Donghui Gan
- Department of HematologyFujian Institute of HematologyFujian Medical University Union HospitalFuzhouFujianChina
- Department of HematologyThe Affiliated Hospital of Putian UniversityPutianFujianChina
| | - Yanxin Chen
- Department of HematologyFujian Institute of HematologyFujian Medical University Union HospitalFuzhouFujianChina
| | - Na Zhang
- Department of HematologyFujian Institute of HematologyFujian Medical University Union HospitalFuzhouFujianChina
| | - Yuwen Chen
- Department of HematologyFujian Institute of HematologyFujian Medical University Union HospitalFuzhouFujianChina
| | - Zhenxing Lin
- Department of HematologyFujian Institute of HematologyFujian Medical University Union HospitalFuzhouFujianChina
| | - Wenfeng Wang
- Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), College of ChemistryFuzhou UniversityFuzhouFujianChina
| | - Haijun Chen
- Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), College of ChemistryFuzhou UniversityFuzhouFujianChina
| | - Donghong Lin
- Department of Clinical LaboratorySchool of Medical Technology and EngineeringFujian Medical UniversityFujianChina
| | - Jianda Hu
- Department of HematologyFujian Institute of HematologyFujian Medical University Union HospitalFuzhouFujianChina
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13
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Ma Y, Wang R, Lu H, Li X, Zhang G, Fu F, Cao L, Zhan S, Wang Z, Deng Z, Shi T, Zhang X, Chen W. B7-H3 promotes the cell cycle-mediated chemoresistance of colorectal cancer cells by regulating CDC25A. J Cancer 2020; 11:2158-2170. [PMID: 32127943 PMCID: PMC7052923 DOI: 10.7150/jca.37255] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Accepted: 01/10/2020] [Indexed: 12/17/2022] Open
Abstract
Colorectal cancer (CRC) is one of the most common malignancies, and chemoresistance is one of the key obstacles in the clinical outcome. Here, we studied the function of B7-H3 in regulating cell cycle-mediated chemoresistance in CRC. The ability of B7-H3 in regulating chemoresistance was investigated via cell viability, clonogenicity, apoptosis and cycle analysis in vitro. Moreover, the role of B7-H3/CDC25A axis in regulating chemoresistance in vivo in the xenograft tumor models by intraperitoneal injection of oxaliplatin (L-OHP) and CDC25A inhibitors. The correlation between B7-H3 and CDC25A was examined in the CRC patients by immunohistochemistry (IHC) and pathological analyses. We found that B7-H3 could effectively enhance the resistance to a chemotherapeutic drug (oxaliplatin or 5-fluorouracil) via CDC25A. B7-H3 regulated the expression of CDC25A by the STAT3 signaling pathway in CRC cells. Furthermore, overexpression of B7-H3 enhanced chemoresistance by reducing the G2/M phase arrest in a CDC25A-dependent manner. Silencing CDC25A or treatment with CDC25A inhibitor could reverse the B7-H3-induced chemoresistance of cancer cells. Moreover, both B7-H3 and CDC25A were significantly upregulated in CRC samples compared with normal adjacent tissues and that the levels correlated with tumor stage. CDC25A was positively correlated with B7-H3 expression in this cohort. Taken together, our findings provide an alternative mechanism by which CRC cells can acquire chemoresistance via the B7-H3/CDC25A axis.
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Affiliation(s)
- Yanchao Ma
- Department of Gastroenterology & Jiangsu Institute of Clinical Immunology, The First Affiliated Hospital of Soochow University, 188 Shizi Road, Suzhou, China
| | - Ruoqin Wang
- Department of Gastroenterology & Jiangsu Institute of Clinical Immunology, The First Affiliated Hospital of Soochow University, 188 Shizi Road, Suzhou, China
| | - Huimin Lu
- Department of Gastroenterology & Jiangsu Institute of Clinical Immunology, The First Affiliated Hospital of Soochow University, 188 Shizi Road, Suzhou, China
| | - Xiaomi Li
- Department of Gastroenterology & Jiangsu Institute of Clinical Immunology, The First Affiliated Hospital of Soochow University, 188 Shizi Road, Suzhou, China
| | - Guangbo Zhang
- Department of Gastroenterology & Jiangsu Institute of Clinical Immunology, The First Affiliated Hospital of Soochow University, 188 Shizi Road, Suzhou, China.,Jiangsu Key Laboratory of Clinical Immunology, Soochow University, 708 Renmin Road, Suzhou, China.,Jiangsu Key Laboratory of Gastrointestinal tumor Immunology, The First Affiliated Hospital of Soochow University, 708 Renmin Road, Suzhou, China
| | - Fengqing Fu
- Department of Gastroenterology & Jiangsu Institute of Clinical Immunology, The First Affiliated Hospital of Soochow University, 188 Shizi Road, Suzhou, China.,Jiangsu Key Laboratory of Clinical Immunology, Soochow University, 708 Renmin Road, Suzhou, China.,Jiangsu Key Laboratory of Gastrointestinal tumor Immunology, The First Affiliated Hospital of Soochow University, 708 Renmin Road, Suzhou, China
| | - Lei Cao
- Department of Gastroenterology & Jiangsu Institute of Clinical Immunology, The First Affiliated Hospital of Soochow University, 188 Shizi Road, Suzhou, China.,Jiangsu Key Laboratory of Clinical Immunology, Soochow University, 708 Renmin Road, Suzhou, China.,Jiangsu Key Laboratory of Gastrointestinal tumor Immunology, The First Affiliated Hospital of Soochow University, 708 Renmin Road, Suzhou, China
| | - Shenghua Zhan
- Department of Gastroenterology & Jiangsu Institute of Clinical Immunology, The First Affiliated Hospital of Soochow University, 188 Shizi Road, Suzhou, China.,Jiangsu Key Laboratory of Clinical Immunology, Soochow University, 708 Renmin Road, Suzhou, China
| | - Zhenxin Wang
- Department of Gastroenterology & Jiangsu Institute of Clinical Immunology, The First Affiliated Hospital of Soochow University, 188 Shizi Road, Suzhou, China.,Jiangsu Key Laboratory of Clinical Immunology, Soochow University, 708 Renmin Road, Suzhou, China.,Jiangsu Key Laboratory of Gastrointestinal tumor Immunology, The First Affiliated Hospital of Soochow University, 708 Renmin Road, Suzhou, China
| | - Zhongbin Deng
- James Graham Brown Cancer Center, Department of Microbiology &Immunology, University of Louisville, Kentucky 40202, USA
| | - Tongguo Shi
- Department of Gastroenterology & Jiangsu Institute of Clinical Immunology, The First Affiliated Hospital of Soochow University, 188 Shizi Road, Suzhou, China.,Jiangsu Key Laboratory of Clinical Immunology, Soochow University, 708 Renmin Road, Suzhou, China.,Jiangsu Key Laboratory of Gastrointestinal tumor Immunology, The First Affiliated Hospital of Soochow University, 708 Renmin Road, Suzhou, China
| | - Xueguang Zhang
- Department of Gastroenterology & Jiangsu Institute of Clinical Immunology, The First Affiliated Hospital of Soochow University, 188 Shizi Road, Suzhou, China.,Jiangsu Key Laboratory of Clinical Immunology, Soochow University, 708 Renmin Road, Suzhou, China.,Jiangsu Key Laboratory of Gastrointestinal tumor Immunology, The First Affiliated Hospital of Soochow University, 708 Renmin Road, Suzhou, China
| | - Weichang Chen
- Department of Gastroenterology & Jiangsu Institute of Clinical Immunology, The First Affiliated Hospital of Soochow University, 188 Shizi Road, Suzhou, China.,Jiangsu Key Laboratory of Clinical Immunology, Soochow University, 708 Renmin Road, Suzhou, China.,Jiangsu Key Laboratory of Gastrointestinal tumor Immunology, The First Affiliated Hospital of Soochow University, 708 Renmin Road, Suzhou, China
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14
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An integrated transcriptional switch at the β-selection checkpoint determines T cell survival, development and leukaemogenesis. Biochem Soc Trans 2019; 47:1077-1089. [DOI: 10.1042/bst20180414] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Revised: 06/05/2019] [Accepted: 06/06/2019] [Indexed: 02/06/2023]
Abstract
Abstract
In T cell development, a pivotal decision-making stage, termed β-selection, integrates a TCRβ checkpoint to coordinate survival, proliferation and differentiation to an αβ T cell. Here, we review how transcriptional regulation coordinates fate determination in early T cell development to enable β-selection. Errors in this transcription control can trigger T cell acute lymphoblastic leukaemia. We describe how the β-selection checkpoint goes awry in leukaemic transformation.
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15
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Leukemia Stem Cells in the Pathogenesis, Progression, and Treatment of Acute Myeloid Leukemia. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1143:95-128. [DOI: 10.1007/978-981-13-7342-8_5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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