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Lill CB, Fitter S, Zannettino ACW, Vandyke K, Noll JE. Molecular and cellular mechanisms of chemoresistance in paediatric pre-B cell acute lymphoblastic leukaemia. Cancer Metastasis Rev 2024:10.1007/s10555-024-10203-9. [PMID: 39102101 DOI: 10.1007/s10555-024-10203-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2024] [Accepted: 07/24/2024] [Indexed: 08/06/2024]
Abstract
Paediatric patients with relapsed B cell acute lymphoblastic leukaemia (B-ALL) have poor prognosis, as relapse-causing clones are often refractory to common chemotherapeutics. While the molecular mechanisms leading to chemoresistance are varied, significant evidence suggests interactions between B-ALL blasts and cells within the bone marrow microenvironment modulate chemotherapy sensitivity. Importantly, bone marrow mesenchymal stem cells (BM-MSCs) and BM adipocytes are known to support B-ALL cells through multiple distinct molecular mechanisms. This review discusses the contribution of integrin-mediated B-ALL/BM-MSC signalling and asparagine supplementation in B-ALL chemoresistance. In addition, the role of adipocytes in sequestering anthracyclines and generating a BM niche favourable for B-ALL survival is explored. Furthermore, this review discusses the role of BM-MSCs and adipocytes in promoting a quiescent and chemoresistant B-ALL phenotype. Novel treatments which target these mechanisms are discussed herein, and are needed to improve dismal outcomes in patients with relapsed/refractory disease.
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Affiliation(s)
- Caleb B Lill
- Myeloma Research Laboratory, School of Biomedicine, Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, Australia
- Precision Cancer Medicine Theme, Solid Tumour Program, South Australian Health and Medical Research Institute, Adelaide, Australia
| | - Stephen Fitter
- Myeloma Research Laboratory, School of Biomedicine, Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, Australia
- Precision Cancer Medicine Theme, Solid Tumour Program, South Australian Health and Medical Research Institute, Adelaide, Australia
| | - Andrew C W Zannettino
- Myeloma Research Laboratory, School of Biomedicine, Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, Australia
- Precision Cancer Medicine Theme, Solid Tumour Program, South Australian Health and Medical Research Institute, Adelaide, Australia
| | - Kate Vandyke
- Myeloma Research Laboratory, School of Biomedicine, Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, Australia
- Precision Cancer Medicine Theme, Solid Tumour Program, South Australian Health and Medical Research Institute, Adelaide, Australia
| | - Jacqueline E Noll
- Myeloma Research Laboratory, School of Biomedicine, Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, Australia.
- Precision Cancer Medicine Theme, Solid Tumour Program, South Australian Health and Medical Research Institute, Adelaide, Australia.
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2
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Larrue C, Mouche S, Angelino P, Sajot M, Birsen R, Kosmider O, Mckee T, Vergez F, Recher C, Mas VMD, Gu Q, Xu J, Tsantoulis P, Sarry JE, Tamburini J. Targeting ferritinophagy impairs quiescent cancer stem cells in acute myeloid leukemia in vitro and in vivo models. Sci Transl Med 2024; 16:eadk1731. [PMID: 39047119 DOI: 10.1126/scitranslmed.adk1731] [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: 08/07/2023] [Revised: 03/18/2024] [Accepted: 07/02/2024] [Indexed: 07/27/2024]
Abstract
Acute myeloid leukemia (AML) remains a challenging hematological malignancy with poor prognosis and limited treatment options. Leukemic stem cells (LSCs) contribute to therapeutic failure, relapse, and adverse outcome. This study investigates the role of quiescence and related molecular mechanisms in AML pathogenesis and LSC functions to identify potential therapeutic targets. Transcriptomic analysis revealed that the LSC-enriched quiescent cell population has a distinct gene signature with prognostic relevance in patients with AML. Mechanistically, quiescent blasts exhibit increased autophagic activity, which contributes to their sustained viability. Proteomic profiling uncovered differential requirements for iron metabolism between quiescent and cycling cells, revealing a unique dependence of quiescent cells on ferritinophagy, a selective form of autophagy mediated by nuclear receptor coactivator 4 (NCOA4), which regulates iron bioavailability. We evaluated the therapeutic potential of inhibiting NCOA4-mediated ferritinophagy using genetic knockdown and chemical inhibition approaches. In vitro assays showed that suppression of NCOA4 was toxic to leukemic blasts, particularly the CD34+CD38- LSC-enriched population, without affecting normal CD34+ hematopoietic progenitors. In vivo studies using murine patient-derived xenograft (PDX) models of AML confirmed that NCOA4 inhibition reduced tumor burden and impaired LSC viability and self-renewal, indicating a specific vulnerability of these cells to ferritinophagy disruption. Our findings underscore the role of NCOA4-mediated ferritinophagy in maintaining LSC quiescence and function and suggest that targeting this pathway may be an effective therapeutic strategy for AML. This study highlights the potential of NCOA4 inhibition to improve AML outcomes and paves the way for future research and clinical development.
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Affiliation(s)
- Clement Larrue
- Centre for Translational Research in Onco-Hematology, Faculty of Medicine, University of Geneva, and Swiss Cancer Centre Leman, 1206 Geneva, Switzerland
- Centre de Recherches en Cancérologie de Toulouse, Université de Toulouse, Inserm U1037, CNRS U5077, 31100 Toulouse, France
- LabEx Toucan, 31100 Toulouse, France
- Équipe labellisée Ligue Nationale Contre le Cancer 2023, 31100 Toulouse, France
| | - Sarah Mouche
- Centre for Translational Research in Onco-Hematology, Faculty of Medicine, University of Geneva, and Swiss Cancer Centre Leman, 1206 Geneva, Switzerland
| | - Paolo Angelino
- Centre for Translational Research in Onco-Hematology, Faculty of Medicine, University of Geneva, and Swiss Cancer Centre Leman, 1206 Geneva, Switzerland
- Translational Data Science, SIB Swiss Institute of Bioinformatics, 1015 Lausanne, Switzerland
| | - Maxime Sajot
- Centre de Recherches en Cancérologie de Toulouse, Université de Toulouse, Inserm U1037, CNRS U5077, 31100 Toulouse, France
- LabEx Toucan, 31100 Toulouse, France
- Équipe labellisée Ligue Nationale Contre le Cancer 2023, 31100 Toulouse, France
| | - Rudy Birsen
- Centre for Translational Research in Onco-Hematology, Faculty of Medicine, University of Geneva, and Swiss Cancer Centre Leman, 1206 Geneva, Switzerland
- Université de Paris, Institut Cochin, CNRS U8104, Inserm U1016, 75014 Paris, France
- Assistance Publique-Hôpitaux de Paris, Hôpitaux Universitaires Paris Centre, 75014 Paris, France
| | - Olivier Kosmider
- Université de Paris, Institut Cochin, CNRS U8104, Inserm U1016, 75014 Paris, France
- Assistance Publique-Hôpitaux de Paris, Hôpitaux Universitaires Paris Centre, 75014 Paris, France
| | - Thomas Mckee
- Division of Clinical Pathology, Diagnostic Department, Geneva University Hospitals, 1205 Geneva, Switzerland
| | - François Vergez
- Centre Hospitalier Universitaire de Toulouse, Institut Universitaire du Cancer de Toulouse Oncopole, Service d'Hématologie, 31100 Toulouse, France
| | - Christian Recher
- Centre Hospitalier Universitaire de Toulouse, Institut Universitaire du Cancer de Toulouse Oncopole, Service d'Hématologie, 31100 Toulouse, France
| | - Véronique Mansat-De Mas
- Centre Hospitalier Universitaire de Toulouse, Institut Universitaire du Cancer de Toulouse Oncopole, Service d'Hématologie, 31100 Toulouse, France
| | - Qiong Gu
- Research Center for Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Jun Xu
- Research Center for Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Petros Tsantoulis
- Centre for Translational Research in Onco-Hematology, Faculty of Medicine, University of Geneva, and Swiss Cancer Centre Leman, 1206 Geneva, Switzerland
| | - Jean-Emmanuel Sarry
- Centre de Recherches en Cancérologie de Toulouse, Université de Toulouse, Inserm U1037, CNRS U5077, 31100 Toulouse, France
- LabEx Toucan, 31100 Toulouse, France
- Équipe labellisée Ligue Nationale Contre le Cancer 2023, 31100 Toulouse, France
| | - Jerome Tamburini
- Centre for Translational Research in Onco-Hematology, Faculty of Medicine, University of Geneva, and Swiss Cancer Centre Leman, 1206 Geneva, Switzerland
- Université de Paris, Institut Cochin, CNRS U8104, Inserm U1016, 75014 Paris, France
- Oncology Department, Geneva University Hospitals, 1205 Geneva, Switzerland
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3
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Masic D, Bell H, Van Delft FW, Irving JAE. Selection of dormant cells during treatment of T-lineage lymphoblastic leukemia and CREB as a therapeutic target. Haematologica 2024; 109:2316-2320. [PMID: 38385269 PMCID: PMC11215388 DOI: 10.3324/haematol.2023.284335] [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: 09/26/2023] [Accepted: 02/14/2024] [Indexed: 02/23/2024] Open
Abstract
Not available.
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Affiliation(s)
- Dino Masic
- Wolfson Childhood Cancer Research Centre, Newcastle University Centre for Cancer, Newcastle upon Tyne
| | - Hayden Bell
- Wolfson Childhood Cancer Research Centre, Newcastle University Centre for Cancer, Newcastle upon Tyne
| | - Frederik W Van Delft
- Wolfson Childhood Cancer Research Centre, Newcastle University Centre for Cancer, Newcastle upon Tyne, UK; Department of Paediatric Haematology and Oncology, Great North Children's Hospital, Newcastle upon Tyne
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4
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Li H, Cao Z, Liu Y, Xue Z, Li Y, Xing H, Xu Y, Gu R, Qiu S, Wei H, Wang M, Rao Q, Wang J. Slow-replicating leukemia cells represent a leukemia stem cell population with high cell-surface CD74 expression. Mol Oncol 2024. [PMID: 38922758 DOI: 10.1002/1878-0261.13690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 04/25/2024] [Accepted: 06/11/2024] [Indexed: 06/28/2024] Open
Abstract
Persistence of quiescent leukemia stem cells (LSCs) after treatment most likely contributes to chemotherapy resistance and poor prognosis of leukemia patients. Identification of this quiescent cell population would facilitate eradicating LSCs. Here, using a cell-tracing PKH26 (PKH) dye that can be equally distributed to daughter cells following cell division in vivo, we identify a label-retaining slow-cycling leukemia cell population from AML1-ETO9a (AE9a) leukemic mice. We find that, compared with cells not maintaining PKH-staining, a higher proportion of PKH-retaining cells are in G0 phase, and PKH-retaining cells exhibit increased colony formation ability and leukemia initiation potential. In addition, PKH-retaining cells possess high chemo-resistance and are more likely to be localized to the endosteal bone marrow region. Based on the transcriptional signature, HLA class II histocompatibility antigen gamma chain (Cd74) is highly expressed in PKH-retaining leukemia cells. Furthermore, cell surface CD74 was identified to be highly expressed in LSCs of AE9a mice and CD34+ human leukemia cells. Compared to Lin-CD74- leukemia cells, Lin-CD74+ leukemia cells of AE9a mice exhibit higher stemness properties. Collectively, our findings reveal that the identified slow-cycling leukemia cell population represents an LSC population, and CD74+ leukemia cells possess stemness properties, suggesting that CD74 is a candidate LSC surface marker.
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Affiliation(s)
- Huan Li
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Tianjin Key Laboratory of Cell Therapy for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Zhijie Cao
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Tianjin Key Laboratory of Cell Therapy for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Yiming Liu
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Tianjin Key Laboratory of Cell Therapy for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Zhenya Xue
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Tianjin Key Laboratory of Cell Therapy for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Yishuang Li
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Tianjin Key Laboratory of Cell Therapy for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Haiyan Xing
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Tianjin Key Laboratory of Cell Therapy for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Yingxi Xu
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Tianjin Key Laboratory of Cell Therapy for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Runxia Gu
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Tianjin Key Laboratory of Cell Therapy for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Shaowei Qiu
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Tianjin Key Laboratory of Cell Therapy for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Hui Wei
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Tianjin Key Laboratory of Cell Therapy for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Min Wang
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Tianjin Key Laboratory of Cell Therapy for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Qing Rao
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Tianjin Key Laboratory of Cell Therapy for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Jianxiang Wang
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Tianjin Key Laboratory of Cell Therapy for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
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5
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Winter PS, Ramseier ML, Navia AW, Saksena S, Strouf H, Senhaji N, DenAdel A, Mirza M, An HH, Bilal L, Dennis P, Leahy CS, Shigemori K, Galves-Reyes J, Zhang Y, Powers F, Mulugeta N, Gupta AJ, Calistri N, Van Scoyk A, Jones K, Liu H, Stevenson KE, Ren S, Luskin MR, Couturier CP, Amini AP, Raghavan S, Kimmerling RJ, Stevens MM, Crawford L, Weinstock DM, Manalis SR, Shalek AK, Murakami MA. Mutation and cell state compatibility is required and targetable in Ph+ acute lymphoblastic leukemia minimal residual disease. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.06.06.597767. [PMID: 38915726 PMCID: PMC11195125 DOI: 10.1101/2024.06.06.597767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/26/2024]
Abstract
Efforts to cure BCR::ABL1 B cell acute lymphoblastic leukemia (Ph+ ALL) solely through inhibition of ABL1 kinase activity have thus far been insufficient despite the availability of tyrosine kinase inhibitors (TKIs) with broad activity against resistance mutants. The mechanisms that drive persistence within minimal residual disease (MRD) remain poorly understood and therefore untargeted. Utilizing 13 patient-derived xenograft (PDX) models and clinical trial specimens of Ph+ ALL, we examined how genetic and transcriptional features co-evolve to drive progression during prolonged TKI response. Our work reveals a landscape of cooperative mutational and transcriptional escape mechanisms that differ from those causing resistance to first generation TKIs. By analyzing MRD during remission, we show that the same resistance mutation can either increase or decrease cellular fitness depending on transcriptional state. We further demonstrate that directly targeting transcriptional state-associated vulnerabilities at MRD can overcome BCR::ABL1 independence, suggesting a new paradigm for rationally eradicating MRD prior to relapse. Finally, we illustrate how cell mass measurements of leukemia cells can be used to rapidly monitor dominant transcriptional features of Ph+ ALL to help rationally guide therapeutic selection from low-input samples.
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Affiliation(s)
- Peter S. Winter
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
- Institute for Medical Engineering & Science, MIT, Cambridge, MA, USA
- Department of Chemistry, MIT, Cambridge, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Michelle L. Ramseier
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
- Institute for Medical Engineering & Science, MIT, Cambridge, MA, USA
- Department of Chemistry, MIT, Cambridge, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, USA
| | - Andrew W. Navia
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
- Institute for Medical Engineering & Science, MIT, Cambridge, MA, USA
- Department of Chemistry, MIT, Cambridge, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, USA
| | - Sachit Saksena
- Computer Science and Artificial Intelligence Laboratory, MIT, Cambridge, MA, USA
- Computational and Systems Biology Program, MIT, Cambridge, MA, USA
| | - Haley Strouf
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
| | - Nezha Senhaji
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Alan DenAdel
- Center for Computational Molecular Biology, Brown University, Providence, RI, USA
- Department of Biostatistics, Brown University, Providence, RI, USA
| | - Mahnoor Mirza
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
| | - Hyun Hwan An
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Laura Bilal
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
| | - Peter Dennis
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Catharine S. Leahy
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Kay Shigemori
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Jennyfer Galves-Reyes
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
- Institute for Medical Engineering & Science, MIT, Cambridge, MA, USA
- Department of Chemistry, MIT, Cambridge, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, USA
| | - Ye Zhang
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
- Department of Biological Engineering, MIT, Cambridge, MA, USA
| | - Foster Powers
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Nolawit Mulugeta
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
- Institute for Medical Engineering & Science, MIT, Cambridge, MA, USA
- Department of Chemistry, MIT, Cambridge, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, USA
| | | | - Nicholas Calistri
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
| | - Alex Van Scoyk
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Kristen Jones
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Huiyun Liu
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | | | - Siyang Ren
- Department of Data Sciences, Dana-Farber Cancer Institute, Boston, MA USA
| | - Marlise R. Luskin
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
| | - Charles P. Couturier
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
- Institute for Medical Engineering & Science, MIT, Cambridge, MA, USA
- Department of Chemistry, MIT, Cambridge, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, USA
| | | | - Srivatsan Raghavan
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
| | | | - Mark M. Stevens
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
| | - Lorin Crawford
- Center for Computational Molecular Biology, Brown University, Providence, RI, USA
- Department of Biostatistics, Brown University, Providence, RI, USA
- Microsoft Research, Cambridge, MA, USA
| | - David M. Weinstock
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
- Current Address: Merck and Co., Rahway, NJ, USA
| | - Scott R. Manalis
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Department of Biological Engineering, MIT, Cambridge, MA, USA
| | - Alex K. Shalek
- Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA, USA
- Institute for Medical Engineering & Science, MIT, Cambridge, MA, USA
- Department of Chemistry, MIT, Cambridge, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, USA
| | - Mark A. Murakami
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
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6
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Malyukova A, Lahnalampi M, Falqués-Costa T, Pölönen P, Sipola M, Mehtonen J, Teppo S, Akopyan K, Viiliainen J, Lohi O, Hagström-Andersson AK, Heinäniemi M, Sangfelt O. Sequential drug treatment targeting cell cycle and cell fate regulatory programs blocks non-genetic cancer evolution in acute lymphoblastic leukemia. Genome Biol 2024; 25:143. [PMID: 38822412 PMCID: PMC11143599 DOI: 10.1186/s13059-024-03260-4] [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: 05/15/2023] [Accepted: 04/26/2024] [Indexed: 06/03/2024] Open
Abstract
BACKGROUND Targeted therapies exploiting vulnerabilities of cancer cells hold promise for improving patient outcome and reducing side-effects of chemotherapy. However, efficacy of precision therapies is limited in part because of tumor cell heterogeneity. A better mechanistic understanding of how drug effect is linked to cancer cell state diversity is crucial for identifying effective combination therapies that can prevent disease recurrence. RESULTS Here, we characterize the effect of G2/M checkpoint inhibition in acute lymphoblastic leukemia (ALL) and demonstrate that WEE1 targeted therapy impinges on cell fate decision regulatory circuits. We find the highest inhibition of recovery of proliferation in ALL cells with KMT2A-rearrangements. Single-cell RNA-seq and ATAC-seq of RS4;11 cells harboring KMT2A::AFF1, treated with the WEE1 inhibitor AZD1775, reveal diversification of cell states, with a fraction of cells exhibiting strong activation of p53-driven processes linked to apoptosis and senescence, and disruption of a core KMT2A-RUNX1-MYC regulatory network. In this cell state diversification induced by WEE1 inhibition, a subpopulation transitions to a drug tolerant cell state characterized by activation of transcription factors regulating pre-B cell fate, lipid metabolism, and pre-BCR signaling in a reversible manner. Sequential treatment with BCR-signaling inhibitors dasatinib, ibrutinib, or perturbing metabolism by fatostatin or AZD2014 effectively counteracts drug tolerance by inducing cell death and repressing stemness markers. CONCLUSIONS Collectively, our findings provide new insights into the tight connectivity of gene regulatory programs associated with cell cycle and cell fate regulation, and a rationale for sequential administration of WEE1 inhibitors with low toxicity inhibitors of pre-BCR signaling or metabolism.
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Affiliation(s)
- Alena Malyukova
- Department of Cell and Molecular Biology, Karolinska Institutet, Biomedicum, Solnavägen 9, 171 77, Stockholm, Sweden.
| | - Mari Lahnalampi
- The Institute of Biomedicine, School of Medicine, University of Eastern Finland, Kuopio, Finland
| | - Ton Falqués-Costa
- Division of Clinical Genetics, Department of Laboratory Medicine, Lund University, Lund, Sweden
| | - Petri Pölönen
- The Institute of Biomedicine, School of Medicine, University of Eastern Finland, Kuopio, Finland
| | - Mikko Sipola
- The Institute of Biomedicine, School of Medicine, University of Eastern Finland, Kuopio, Finland
| | - Juha Mehtonen
- The Institute of Biomedicine, School of Medicine, University of Eastern Finland, Kuopio, Finland
| | - Susanna Teppo
- Tampere Center for Child, Adolescent and Maternal Health Research, Faculty of Medicine and Health Technology, Tampere University and Tays Cancer Center, Tampere University Hospital, Tampere, Finland
| | - Karen Akopyan
- Department of Cell and Molecular Biology, Karolinska Institutet, Biomedicum, Solnavägen 9, 171 77, Stockholm, Sweden
| | - Johanna Viiliainen
- Department of Cell and Molecular Biology, Karolinska Institutet, Biomedicum, Solnavägen 9, 171 77, Stockholm, Sweden
| | - Olli Lohi
- Tampere Center for Child, Adolescent and Maternal Health Research, Faculty of Medicine and Health Technology, Tampere University and Tays Cancer Center, Tampere University Hospital, Tampere, Finland
| | | | - Merja Heinäniemi
- The Institute of Biomedicine, School of Medicine, University of Eastern Finland, Kuopio, Finland.
| | - Olle Sangfelt
- Department of Cell and Molecular Biology, Karolinska Institutet, Biomedicum, Solnavägen 9, 171 77, Stockholm, Sweden.
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7
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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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8
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Ruszkowska-Ciastek B, Kwiatkowska K, Marques-da-Silva D, Lagoa R. Cancer Stem Cells from Definition to Detection and Targeted Drugs. Int J Mol Sci 2024; 25:3903. [PMID: 38612718 PMCID: PMC11011379 DOI: 10.3390/ijms25073903] [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: 02/26/2024] [Revised: 03/28/2024] [Accepted: 03/29/2024] [Indexed: 04/14/2024] Open
Abstract
Cancers remain the second leading cause of mortality in the world. Preclinical and clinical studies point an important role of cancer/leukaemia stem cells (CSCs/LSCs) in the colonisation at secondary organ sites upon metastatic spreading, although the precise mechanisms for specific actions are still not fully understood. Reviewing the present knowledge on the crucial role of CSCs/LSCs, their plasticity, and population heterogeneity in treatment failures in cancer patients is timely. Standard chemotherapy, which acts mainly on rapidly dividing cells, is unable to adequately affect CSCs with a low proliferation rate. One of the proposed mechanisms of CSC resistance to anticancer agents is the fact that these cells can easily shift between different phases of the cell cycle in response to typical cell stimuli induced by anticancer drugs. In this work, we reviewed the recent studies on CSC/LSC alterations associated with disease recurrence, and we systematised the functional assays, markers, and novel methods for CSCs screening. This review emphasises CSCs' involvement in cancer progression and metastasis, as well as CSC/LSC targeting by synthetic and natural compounds aiming at their elimination or modulation of stemness properties.
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Affiliation(s)
- Barbara Ruszkowska-Ciastek
- Department of Pathophysiology, Faculty of Pharmacy, Nicolaus Copernicus University, Collegium Medicum, 85-094 Bydgoszcz, Poland
| | - Katarzyna Kwiatkowska
- Department of Laboratory Diagnostics, Jan Biziel University Hospital No. 2, 85-168 Bydgoszcz, Poland;
| | - Dorinda Marques-da-Silva
- Laboratory of Separation and Reaction Engineering-Laboratory of Catalysis and Materials (LSRE-LCM), Polytechnic Institute of Leiria, 2411-901 Leiria, Portugal; (D.M.-d.-S.); (R.L.)
- Associate Laboratory in Chemical Engineering (ALiCE), Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
- School of Technology and Management, Polytechnic Institute of Leiria, Morro do Lena-Alto do Vieiro, 2411-901 Leiria, Portugal
| | - Ricardo Lagoa
- Laboratory of Separation and Reaction Engineering-Laboratory of Catalysis and Materials (LSRE-LCM), Polytechnic Institute of Leiria, 2411-901 Leiria, Portugal; (D.M.-d.-S.); (R.L.)
- Associate Laboratory in Chemical Engineering (ALiCE), Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
- School of Technology and Management, Polytechnic Institute of Leiria, Morro do Lena-Alto do Vieiro, 2411-901 Leiria, Portugal
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9
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Varisli L, Vlahopoulos S. Epithelial-Mesenchymal Transition in Acute Leukemias. Int J Mol Sci 2024; 25:2173. [PMID: 38396852 PMCID: PMC10889420 DOI: 10.3390/ijms25042173] [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: 12/18/2023] [Revised: 01/27/2024] [Accepted: 01/30/2024] [Indexed: 02/25/2024] Open
Abstract
Epithelial-mesenchymal transition (EMT) is a metabolic process that confers phenotypic flexibility to cells and the ability to adapt to new functions. This transition is critical during embryogenesis and is required for the differentiation of many tissues and organs. EMT can also be induced in advanced-stage cancers, leading to further malignant behavior and chemotherapy resistance, resulting in an unfavorable prognosis for patients. Although EMT was long considered and studied only in solid tumors, it has been shown to be involved in the pathogenesis of hematological malignancies, including acute leukemias. Indeed, there is increasing evidence that EMT promotes the progression of acute leukemias, leading to the emergence of a more aggressive phenotype of the disease, and also causes chemotherapy resistance. The current literature suggests that the levels and activities of EMT inducers and markers can be used to predict prognosis, and that targeting EMT in addition to conventional therapies may increase treatment success in acute leukemias.
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Affiliation(s)
- Lokman Varisli
- Department of Molecular Biology and Genetics, Science Faculty, Dicle University, Diyarbakir 21280, Turkey
| | - Spiros Vlahopoulos
- First Department of Pediatrics, National and Kapodistrian University of Athens, Thivon & Levadeias 8, Goudi, 11527 Athens, Greece
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10
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Aouad P, Quinn HM, Berger A, Brisken C. Tumor dormancy: EMT beyond invasion and metastasis. Genesis 2024; 62:e23552. [PMID: 37776086 DOI: 10.1002/dvg.23552] [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: 06/09/2023] [Revised: 08/31/2023] [Accepted: 09/12/2023] [Indexed: 10/01/2023]
Abstract
More than two-thirds of cancer-related deaths are attributable to metastases. In some tumor types metastasis can occur up to 20 years after diagnosis and successful treatment of the primary tumor, a phenomenon termed late recurrence. Metastases arise from disseminated tumor cells (DTCs) that leave the primary tumor early on in tumor development, either as single cells or clusters, adapt to new environments, and reduce or shut down their proliferation entering a state of dormancy for prolonged periods of time. Dormancy has been difficult to track clinically and study experimentally. Recent advances in technology and disease modeling have provided new insights into the molecular mechanisms orchestrating dormancy and the switch to a proliferative state. A new role for epithelial-mesenchymal transition (EMT) in inducing plasticity and maintaining a dormant state in several cancer models has been revealed. In this review, we summarize the major findings linking EMT to dormancy control and highlight the importance of pre-clinical models and tumor/tissue context when designing studies. Understanding of the cellular and molecular mechanisms controlling dormant DTCs is pivotal in developing new therapeutic agents that prevent distant recurrence by maintaining a dormant state.
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Affiliation(s)
- Patrick Aouad
- Department of Ophthalmology, University of Lausanne, Jules-Gonin Eye Hospital, Fondation Asile des Aveugles, Lausanne, Switzerland
| | - Hazel M Quinn
- ISREC-Swiss Institute for Experimental Cancer Research, School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
| | - Adeline Berger
- Department of Ophthalmology, University of Lausanne, Jules-Gonin Eye Hospital, Fondation Asile des Aveugles, Lausanne, Switzerland
| | - Cathrin Brisken
- ISREC-Swiss Institute for Experimental Cancer Research, School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
- The Breast Cancer Now Toby Robins Breast Cancer Research Centre, The Institute of Cancer Research, London, UK
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11
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Martinez LM, Guzman ML. Understanding the interaction between leukaemia stem cells and their microenvironment to improve therapeutic approaches. Br J Pharmacol 2024; 181:273-282. [PMID: 37309573 DOI: 10.1111/bph.16162] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 03/21/2023] [Accepted: 06/02/2023] [Indexed: 06/14/2023] Open
Abstract
Although chemotherapeutic regimens can eliminate blasts in leukaemia patients, such therapies are associated with toxicity and often fail to eliminate all malignant cells resulting in disease relapse. Disease relapse has been attributed to the persistence of leukaemia cells in the bone marrow (BM) with the capacity to recapitulate disease; these cells are often referred to as leukaemia stem cells (LSCs). Although LSCs have distinct characteristics in terms of pathobiology and immunophenotype, they are still regulated by their interactions with the surrounding microenvironment. Thus, understanding the interaction between LSCs and their microenvironment is critical to identify effective therapies. To this end, there are numerous efforts to develop models to study such interactions. In this review, we will focus on the reciprocal interactions between LSCs and their milieu in the BM. Furthermore, we will highlight relevant therapies targeting these interactions and discuss some of the promising in vitro models designed to mimic such relationship. LINKED ARTICLES: This article is part of a themed issue on Cancer Microenvironment and Pharmacological Interventions. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v181.2/issuetoc.
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Affiliation(s)
- Leandro M Martinez
- Division of Hematology and Medical Oncology, Weill Cornell Medical College, New York, New York, USA
| | - Monica L Guzman
- Division of Hematology and Medical Oncology, Weill Cornell Medical College, New York, New York, USA
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12
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Maleki EH, Bahrami AR, Matin MM. Cancer cell cycle heterogeneity as a critical determinant of therapeutic resistance. Genes Dis 2024; 11:189-204. [PMID: 37588236 PMCID: PMC10425754 DOI: 10.1016/j.gendis.2022.11.025] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 10/20/2022] [Accepted: 11/16/2022] [Indexed: 01/15/2023] Open
Abstract
Intra-tumor heterogeneity is now arguably one of the most-studied topics in tumor biology, as it represents a major obstacle to effective cancer treatment. Since tumor cells are highly diverse at genetic, epigenetic, and phenotypic levels, intra-tumor heterogeneity can be assumed as an important contributing factor to the nullification of chemotherapeutic effects, and recurrence of the tumor. Based on the role of heterogeneous subpopulations of cancer cells with varying cell-cycle dynamics and behavior during cancer progression and treatment; herein, we aim to establish a comprehensive definition for adaptation of neoplastic cells against therapy. We discuss two parallel and yet distinct subpopulations of tumor cells that play pivotal roles in reducing the effects of chemotherapy: "resistant" and "tolerant" populations. Furthermore, this review also highlights the impact of the quiescent phase of the cell cycle as a survival mechanism for cancer cells. Beyond understanding the mechanisms underlying the quiescence, it provides an insightful perspective on cancer stem cells (CSCs) and their dual and intertwined functions based on their cell cycle state in response to treatment. Moreover, CSCs, epithelial-mesenchymal transformed cells, circulating tumor cells (CTCs), and disseminated tumor cells (DTCs), which are mostly in a quiescent state of the cell cycle are proved to have multiple biological links and can be implicated in our viewpoint of cell cycle heterogeneity in tumors. Overall, increasing our knowledge of cell cycle heterogeneity is a key to identifying new therapeutic solutions, and this emerging concept may provide us with new opportunities to prevent the dreadful cancer recurrence.
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Affiliation(s)
- Ebrahim H. Maleki
- Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, 9177948974 Mashhad, Iran
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, 31-007 Krakow, Poland
- Doctoral School of Exact and Natural Sciences, Jagiellonian University, 30-348 Krakow, Poland
| | - Ahmad Reza Bahrami
- Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, 9177948974 Mashhad, Iran
- Industrial Biotechnology Research Group, Institute of Biotechnology, Ferdowsi University of Mashhad, 9177948974 Mashhad, Iran
| | - Maryam M. Matin
- Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, 9177948974 Mashhad, Iran
- Novel Diagnostics and Therapeutics Research Group, Institute of Biotechnology, Ferdowsi University of Mashhad, 9177948974 Mashhad, Iran
- Stem Cell and Regenerative Medicine Research Group, Iranian Academic Center for Education, Culture and Research (ACECR), Khorasan Razavi Branch, 917751376 Mashhad, Iran
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13
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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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14
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Aslani S, Saad MI. Patient-Derived Xenograft Models in Cancer Research: Methodology, Applications, and Future Prospects. Methods Mol Biol 2024; 2806:9-18. [PMID: 38676792 DOI: 10.1007/978-1-0716-3858-3_2] [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] [Indexed: 04/29/2024]
Abstract
Patient-derived xenografts (PDXs) have emerged as a pivotal tool in translational cancer research, addressing limitations of traditional methods and facilitating improved therapeutic interventions. These models involve engrafting human primary malignant cells or tissues into immunodeficient mice, allowing for the investigation of cancer mechanobiology, validation of therapeutic targets, and preclinical assessment of treatment strategies. This chapter provides an overview of PDXs methodology and their applications in both basic cancer research and preclinical studies. Despite current limitations, ongoing advancements in humanized xenochimeric models and autologous immune cell engraftment hold promise for enhancing PDX model accuracy and relevance. As PDX models continue to refine and extend their applications, they are poised to play a pivotal role in shaping the future of translational cancer research.
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Affiliation(s)
- Saeed Aslani
- Centre for Innate Immunity and Infectious Diseases, Hudson Institute of Medical Research, Clayton, VIC, Australia
- Department of Molecular and Translational Sciences, Faculty of Medicine, Nursing and Health Sciences, Monash University, Clayton, VIC, Australia
| | - Mohamed I Saad
- Centre for Innate Immunity and Infectious Diseases, Hudson Institute of Medical Research, Clayton, VIC, Australia.
- Department of Molecular and Translational Sciences, Faculty of Medicine, Nursing and Health Sciences, Monash University, Clayton, VIC, Australia.
- South Australian immunoGENomics Cancer Institute (SAiGENCI), University of Adelaide, Adelaide, SA, Australia.
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15
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Cao J, Zhang Z, Zhou L, Luo M, Li L, Li B, Nice EC, He W, Zheng S, Huang C. Oncofetal reprogramming in tumor development and progression: novel insights into cancer therapy. MedComm (Beijing) 2023; 4:e427. [PMID: 38045829 PMCID: PMC10693315 DOI: 10.1002/mco2.427] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 10/20/2023] [Accepted: 10/23/2023] [Indexed: 12/05/2023] Open
Abstract
Emerging evidence indicates that cancer cells can mimic characteristics of embryonic development, promoting their development and progression. Cancer cells share features with embryonic development, characterized by robust proliferation and differentiation regulated by signaling pathways such as Wnt, Notch, hedgehog, and Hippo signaling. In certain phase, these cells also mimic embryonic diapause and fertilized egg implantation to evade treatments or immune elimination and promote metastasis. Additionally, the upregulation of ATP-binding cassette (ABC) transporters, including multidrug resistance protein 1 (MDR1), multidrug resistance-associated protein 1 (MRP1), and breast cancer-resistant protein (BCRP), in drug-resistant cancer cells, analogous to their role in placental development, may facilitate chemotherapy efflux, further resulting in treatment resistance. In this review, we concentrate on the underlying mechanisms that contribute to tumor development and progression from the perspective of embryonic development, encompassing the dysregulation of developmental signaling pathways, the emergence of dormant cancer cells, immune microenvironment remodeling, and the hyperactivation of ABC transporters. Furthermore, we synthesize and emphasize the connections between cancer hallmarks and embryonic development, offering novel insights for the development of innovative cancer treatment strategies.
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Affiliation(s)
- Jiangjun Cao
- West China School of Basic Medical Sciences and Forensic Medicine, and Department of Biotherapy Cancer Center and State Key Laboratory of Biotherapy, West China HospitalSichuan UniversityChengduChina
| | - Zhe Zhang
- Zhejiang Provincial Key Laboratory of Pancreatic Diseasethe First Affiliated HospitalSchool of MedicineZhejiang UniversityZhejiangChina
| | - Li Zhou
- Key Laboratory of Molecular Biology for Infectious Diseases (Ministry of Education)Department of Infectious Diseasesthe Second Affiliated HospitalInstitute for Viral Hepatitis, Chongqing Medical UniversityChongqingChina
| | - Maochao Luo
- West China School of Basic Medical Sciences and Forensic Medicine, and Department of Biotherapy Cancer Center and State Key Laboratory of Biotherapy, West China HospitalSichuan UniversityChengduChina
| | - Lei Li
- Department of anorectal surgeryHospital of Chengdu University of Traditional Chinese Medicine and Chengdu University of Traditional Chinese MedicineChengduChina
| | - Bowen Li
- West China School of Basic Medical Sciences and Forensic Medicine, and Department of Biotherapy Cancer Center and State Key Laboratory of Biotherapy, West China HospitalSichuan UniversityChengduChina
| | - Edouard C. Nice
- Department of Biochemistry and Molecular BiologyMonash UniversityClaytonVICAustralia
| | - Weifeng He
- State Key Laboratory of TraumaBurn and Combined InjuryInstitute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University)ChongqingChina
| | - Shaojiang Zheng
- Hainan Cancer Medical Center of The First Affiliated Hospital, the Hainan Branch of National Clinical Research Center for Cancer, Hainan Engineering Research Center for Biological Sample Resources of Major DiseasesHainan Medical UniversityHaikouChina
- Key Laboratory of Tropical Cardiovascular Diseases Research of Hainan Province, Hainan Women and Children's Medical Center, Key Laboratory of Emergency and Trauma of Ministry of EducationHainan Medical UniversityHaikouChina
| | - Canhua Huang
- West China School of Basic Medical Sciences and Forensic Medicine, and Department of Biotherapy Cancer Center and State Key Laboratory of Biotherapy, West China HospitalSichuan UniversityChengduChina
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16
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Wilson A, Hockney S, Parker J, Angel S, Blair H, Pal D. A human mesenchymal spheroid prototype to replace moderate severity animal procedures in leukaemia drug testing. F1000Res 2023; 11:1280. [PMID: 38046539 PMCID: PMC10691310 DOI: 10.12688/f1000research.123084.2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/24/2023] [Indexed: 12/05/2023] Open
Abstract
Patient derived xenograft (PDX) models are regarded as gold standard preclinical models in leukaemia research, especially in testing new drug combinations where typically 45-50 mice are used per assay. 9000 animal experiments are performed annually in the UK in leukaemia research with these expensive procedures being classed as moderate severity, meaning they cause significant pain, suffering and visible distress to animal's state. Furthermore, not all clinical leukaemia samples engraft and when they do data turnaround time can be between 6-12 months. Heavy dependence on animal models is because clinical leukaemia samples do not proliferate in vitro. Alternative cell line models though popular for drug testing are not biomimetic - they are not dependent on the microenvironment for survival, growth and treatment response and being derived from relapse samples they do not capture the molecular complexity observed at disease presentation. Here we have developed an in vitro platform to rapidly establish co-cultures of patient-derived leukaemia cells with 3D bone marrow mesenchyme spheroids, BM-MSC-spheroids. We optimise protocols for developing MSC-spheroid leukaemia co-culture using clinical samples and deliver drug response data within a week. Using three patient samples representing distinct cytogenetics we show that patient-derived-leukaemia cells show enhanced proliferation when co-cultured with MSC-spheroids. In addition, MSC-spheroids provided improved protection against treatment. This makes our spheroids suitable to model treatment resistance - a major hurdle in current day cancer management Given this 3Rs approach is 12 months faster (in delivering clinical data), is a human cell-based biomimetic model and uses 45-50 fewer animals/drug-response assay the anticipated target end-users would include academia and pharmaceutical industry. This animal replacement prototype would facilitate clinically translatable research to be performed with greater ethical, social and financial sustainability.
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Affiliation(s)
- Aaron Wilson
- Wolfson Childhood Cancer Research Centre, Translational and Clinical Research Institute, Newcastle University, UK, Newcastle upon Tyne, NE1 7RU, UK
| | - Sean Hockney
- Applied Sciences, Northumbria University, Newcastle upon Tyne, NE1 8ST, UK
| | - Jessica Parker
- Applied Sciences, Northumbria University, Newcastle upon Tyne, NE1 8ST, UK
| | - Sharon Angel
- Wolfson Childhood Cancer Research Centre, Translational and Clinical Research Institute, Newcastle University, UK, Newcastle upon Tyne, NE1 7RU, UK
| | - Helen Blair
- Wolfson Childhood Cancer Research Centre, Translational and Clinical Research Institute, Newcastle University, UK, Newcastle upon Tyne, NE1 7RU, UK
| | - Deepali Pal
- Wolfson Childhood Cancer Research Centre, Translational and Clinical Research Institute, Newcastle University, UK, Newcastle upon Tyne, NE1 7RU, UK
- Applied Sciences, Northumbria University, Newcastle upon Tyne, NE1 8ST, UK
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17
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Rosenquist R, Bernard E, Erkers T, Scott DW, Itzykson R, Rousselot P, Soulier J, Hutchings M, Östling P, Cavelier L, Fioretos T, Smedby KE. Novel precision medicine approaches and treatment strategies in hematological malignancies. J Intern Med 2023; 294:413-436. [PMID: 37424223 DOI: 10.1111/joim.13697] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/11/2023]
Abstract
Genetic testing has been applied for decades in clinical routine diagnostics of hematological malignancies to improve disease (sub)classification, prognostication, patient management, and survival. In recent classifications of hematological malignancies, disease subtypes are defined by key recurrent genetic alterations detected by conventional methods (i.e., cytogenetics, fluorescence in situ hybridization, and targeted sequencing). Hematological malignancies were also one of the first disease areas in which targeted therapies were introduced, the prime example being BCR::ABL1 inhibitors, followed by an increasing number of targeted inhibitors hitting the Achilles' heel of each disease, resulting in a clear patient benefit. Owing to the technical advances in high-throughput sequencing, we can now apply broad genomic tests, including comprehensive gene panels or whole-genome and whole-transcriptome sequencing, to identify clinically important diagnostic, prognostic, and predictive markers. In this review, we give examples of how precision diagnostics has been implemented to guide treatment selection and improve survival in myeloid (myelodysplastic syndromes and acute myeloid leukemia) and lymphoid malignancies (acute lymphoblastic leukemia, diffuse large B-cell lymphoma, and chronic lymphocytic leukemia). We discuss the relevance and potential of monitoring measurable residual disease using ultra-sensitive techniques to assess therapy response and detect early relapses. Finally, we bring up the promising avenue of functional precision medicine, combining ex vivo drug screening with various omics technologies, to provide novel treatment options for patients with advanced disease. Although we are only in the beginning of the field of precision hematology, we foresee rapid development with new types of diagnostics and treatment strategies becoming available to the benefit of our patients.
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Affiliation(s)
- Richard Rosenquist
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
- Clinical Genetics, Karolinska University Hospital, Solna, Stockholm, Sweden
| | - Elsa Bernard
- Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, USA
- PRISM Center for Personalized Medicine, Gustave Roussy, Villejuif, France
| | - Tom Erkers
- Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden
- SciLifeLab, Stockholm, Sweden
| | - David W Scott
- BC Cancer's Centre for Lymphoid Cancer, Vancouver, Canada
- Department of Medicine, University of British Columbia, Vancouver, Canada
| | - Raphael Itzykson
- Université Paris Cité, Génomes, biologie cellulaire et thérapeutique U944, INSERM, CNRS, Paris, France
- Département Hématologie et Immunologie, Hôpital Saint-Louis, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Philippe Rousselot
- Department of Hematology, Centre Hospitalier de Versailles, Le Chesnay, France
| | - Jean Soulier
- Université Paris Cité, Génomes, biologie cellulaire et thérapeutique U944, INSERM, CNRS, Paris, France
- Hématologie Biologique, APHP, Hôpital Saint-Louis, Paris, France
| | - Martin Hutchings
- Department of Haematology and Phase 1 Unit, Rigshospitalet, Copenhagen, Denmark
| | - Päivi Östling
- Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden
- SciLifeLab, Stockholm, Sweden
| | - Lucia Cavelier
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
- Clinical Genetics, Karolinska University Hospital, Solna, Stockholm, Sweden
| | - Thoas Fioretos
- Department of Clinical Genetics, Pathology and Molecular Diagnostics, Office for Medical Services, Region Skåne, Lund, Sweden
- Division of Clinical Genetics, Department of Laboratory Medicine, Lund University, Lund, Sweden
- Clinical Genomics Lund, Science for Life Laboratory, Lund University, Lund, Sweden
| | - Karin E Smedby
- Department of Hematology, Karolinska University Hospital, Solna, Stockholm, Sweden
- Division of Clinical Epidemiology, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
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18
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Caserta C, Nucera S, Barcella M, Fazio G, Naldini MM, Pagani R, Pavesi F, Desantis G, Zonari E, D'Angiò M, Capasso P, Lombardo A, Merelli I, Spinelli O, Rambaldi A, Ciceri F, Silvestri D, Valsecchi MG, Biondi A, Cazzaniga G, Gentner B. miR-126 identifies a quiescent and chemo-resistant human B-ALL cell subset that correlates with minimal residual disease. Leukemia 2023; 37:1994-2005. [PMID: 37640845 DOI: 10.1038/s41375-023-02009-5] [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: 03/14/2023] [Revised: 08/03/2023] [Accepted: 08/17/2023] [Indexed: 08/31/2023]
Abstract
Complete elimination of B-cell acute lymphoblastic leukemia (B-ALL) by a risk-adapted primary treatment approach remains a clinical key objective, which fails in up to a third of patients. Recent evidence has implicated subpopulations of B-ALL cells with stem-like features in disease persistence. We hypothesized that microRNA-126, a core regulator of hematopoietic and leukemic stem cells, may resolve intratumor heterogeneity in B-ALL and uncover therapy-resistant subpopulations. We exploited patient-derived xenograft (PDX) models with B-ALL cells transduced with a miR-126 reporter allowing the prospective isolation of miR-126(high) cells for their functional and transcriptional characterization. Discrete miR-126(high) populations, often characterized by MIR126 locus demethylation, were identified in 8/9 PDX models and showed increased repopulation potential, in vivo chemotherapy resistance and hallmarks of quiescence, inflammation and stress-response pathway activation. Cells with a miR-126(high) transcriptional profile were identified as distinct disease subpopulations by single-cell RNA sequencing in diagnosis samples from adult and pediatric B-ALL. Expression of miR-126 and locus methylation were tested in several pediatric and adult B-ALL cohorts, which received standardized treatment. High microRNA-126 levels and locus demethylation at diagnosis associate with suboptimal response to induction chemotherapy (MRD > 0.05% at day +33 or MRD+ at day +78).
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Affiliation(s)
- Carolina Caserta
- San Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS San Raffaele Scientific Institute, Milan, Italy
- Vita-Salute San Raffaele University, Milan, Italy
| | - Silvia Nucera
- Tettamanti Center, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy
- School of Medicine and Surgery, University of Milano Bicocca, Monza, Italy
| | - Matteo Barcella
- San Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS San Raffaele Scientific Institute, Milan, Italy
- National Research Council, Institute for Biomedical Technologies, Segrate, Italy
| | - Grazia Fazio
- Tettamanti Center, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy
| | - Matteo Maria Naldini
- San Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS San Raffaele Scientific Institute, Milan, Italy
- Vita-Salute San Raffaele University, Milan, Italy
| | - Riccardo Pagani
- San Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS San Raffaele Scientific Institute, Milan, Italy
- Vita-Salute San Raffaele University, Milan, Italy
| | - Francesca Pavesi
- Hematology and Bone Marrow Transplantation Unit, IRCCS San Raffaele Hospital, Milan, Italy
| | - Giacomo Desantis
- San Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Erika Zonari
- San Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Mariella D'Angiò
- Tettamanti Center, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy
| | - Paola Capasso
- San Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Angelo Lombardo
- San Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS San Raffaele Scientific Institute, Milan, Italy
- Vita-Salute San Raffaele University, Milan, Italy
| | - Ivan Merelli
- National Research Council, Institute for Biomedical Technologies, Segrate, Italy
| | - Orietta Spinelli
- Hematology and Bone Marrow Transplant Unit, Ospedale Papa Giovanni XXIII, Bergamo, Italy
| | - Alessandro Rambaldi
- Hematology and Bone Marrow Transplant Unit, Ospedale Papa Giovanni XXIII, Bergamo, Italy
| | - Fabio Ciceri
- Vita-Salute San Raffaele University, Milan, Italy
- Hematology and Bone Marrow Transplantation Unit, IRCCS San Raffaele Hospital, Milan, Italy
| | - Daniela Silvestri
- Tettamanti Center, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy
| | - Maria Grazia Valsecchi
- Bicocca Bioinformatics, Biostatistics and Bioimaging Centre, Department of Medicine and Surgery, University of Milano-Bicocca, Milan, Italy
| | - Andrea Biondi
- Tettamanti Center, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy
- School of Medicine and Surgery, University of Milano Bicocca, Monza, Italy
- Pediatrics, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italia
| | - Giovanni Cazzaniga
- Tettamanti Center, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy
- Genetics, School of Medicine and Surgery, University of Milano Bicocca, Monza, Italy
| | - Bernhard Gentner
- San Raffaele Telethon Institute for Gene Therapy (SR-TIGET), IRCCS San Raffaele Scientific Institute, Milan, Italy.
- Hematology and Bone Marrow Transplantation Unit, IRCCS San Raffaele Hospital, Milan, Italy.
- Ludwig Institute for Cancer Research and Department of Oncology, University of Lausanne (UNIL) and Lausanne University Hospital (CHUV), Lausanne, Switzerland.
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19
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Lang Y, Lyu Y, Tan Y, Hu Z. Progress in construction of mouse models to investigate the pathogenesis and immune therapy of human hematological malignancy. Front Immunol 2023; 14:1195194. [PMID: 37646021 PMCID: PMC10461088 DOI: 10.3389/fimmu.2023.1195194] [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: 03/28/2023] [Accepted: 07/27/2023] [Indexed: 09/01/2023] Open
Abstract
Hematological malignancy is a disease arisen by complicate reasons that seriously endangers human health. The research on its pathogenesis and therapies depends on the usage of animal models. Conventional animal model cannot faithfully mirror some characteristics of human features due to the evolutionary divergence, whereas the mouse models hosting human hematological malignancy are more and more applied in basic as well as translational investigations in recent years. According to the construction methods, they can be divided into different types (e.g. cell-derived xenograft (CDX) and patient-derived xenograft model (PDX) model) that have diverse characteristics and application values. In addition, a variety of strategies have been developed to improve human hematological malignant cell engraftment and differentiation in vivo. Moreover, the humanized mouse model with both functional human immune system and autologous human hematological malignancy provides a unique tool for the evaluation of the efficacy of novel immunotherapeutic drugs/approaches. Herein, we first review the evolution of the mouse model of human hematological malignancy; Then, we analyze the characteristics of different types of models and summarize the ways to improve the models; Finally, the way and value of humanized mouse model of human immune system in the immunotherapy of human hematological malignancy are discussed.
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Affiliation(s)
- Yue Lang
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, The First Hospital, Jilin University, Changchun, China
- Department of Dermatology, The First Hospital, Jilin University, Changchun, China
| | - Yanan Lyu
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, The First Hospital, Jilin University, Changchun, China
| | - Yehui Tan
- Department of Hematology, The First Hospital, Jilin University, Changchun, China
| | - Zheng Hu
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, The First Hospital, Jilin University, Changchun, China
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20
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Chakraborty S, Bhat AM, Mushtaq I, Luan H, Kalluchi A, Mirza S, Storck MD, Chaturvedi N, Lopez-Guerrero JA, Llombart-Bosch A, Machado I, Scotlandi K, Meza JL, Ghosal G, Coulter DW, Jordan Rowley M, Band V, Mohapatra BC, Band H. EHD1-dependent traffic of IGF-1 receptor to the cell surface is essential for Ewing sarcoma tumorigenesis and metastasis. Commun Biol 2023; 6:758. [PMID: 37474760 PMCID: PMC10359273 DOI: 10.1038/s42003-023-05125-1] [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: 02/27/2023] [Accepted: 07/10/2023] [Indexed: 07/22/2023] Open
Abstract
Overexpression of the EPS15 Homology Domain containing 1 (EHD1) protein has been linked to tumorigenesis but whether its core function as a regulator of intracellular traffic of cell surface receptors plays a role in oncogenesis remains unknown. We establish that EHD1 is overexpressed in Ewing sarcoma (EWS), with high EHD1 mRNA expression specifying shorter patient survival. ShRNA-knockdown and CRISPR-knockout with mouse Ehd1 rescue established a requirement of EHD1 for tumorigenesis and metastasis. RTK antibody arrays identified IGF-1R as a target of EHD1 regulation in EWS. Mechanistically, we demonstrate a requirement of EHD1 for endocytic recycling and Golgi to plasma membrane traffic of IGF-1R to maintain its surface expression and downstream signaling. Conversely, EHD1 overexpression-dependent exaggerated oncogenic traits require IGF-1R expression and kinase activity. Our findings define the RTK traffic regulation as a proximal mechanism of EHD1 overexpression-dependent oncogenesis that impinges on IGF-1R in EWS, supporting the potential of IGF-1R and EHD1 co-targeting.
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Affiliation(s)
- Sukanya Chakraborty
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE, 68198, USA
- Department of Genetics, Cell Biology & Anatomy, College of Medicine, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Aaqib M Bhat
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE, 68198, USA
- Department of Genetics, Cell Biology & Anatomy, College of Medicine, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Insha Mushtaq
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE, 68198, USA
- Incyte Corporation, Wilmington, DE, USA
| | - Haitao Luan
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Achyuth Kalluchi
- Department of Genetics, Cell Biology & Anatomy, College of Medicine, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Sameer Mirza
- Department of Genetics, Cell Biology & Anatomy, College of Medicine, University of Nebraska Medical Center, Omaha, NE, 68198, USA
- Department of Chemistry, College of Science, United Arab Emirates University, Al Ain, UAE
| | - Matthew D Storck
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Nagendra Chaturvedi
- Department of Pediatrics, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | | | - Antonio Llombart-Bosch
- Department of Pathology, University of Valencia, Avd. Blasco Ibáñez 15, 46010, Valencia, Spain
| | - Isidro Machado
- Department of Pathology, University of Valencia, Avd. Blasco Ibáñez 15, 46010, Valencia, Spain
| | - Katia Scotlandi
- Laboratory of Experimental Oncology, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Jane L Meza
- Department of Biostatistics, College of Public Health, University of Nebraska Medical Center, Omaha, NE, 68198, USA
- Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Gargi Ghosal
- Department of Genetics, Cell Biology & Anatomy, College of Medicine, University of Nebraska Medical Center, Omaha, NE, 68198, USA
- Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Donald W Coulter
- Department of Pediatrics, University of Nebraska Medical Center, Omaha, NE, 68198, USA
- Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - M Jordan Rowley
- Department of Genetics, Cell Biology & Anatomy, College of Medicine, University of Nebraska Medical Center, Omaha, NE, 68198, USA
- Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Vimla Band
- Department of Genetics, Cell Biology & Anatomy, College of Medicine, University of Nebraska Medical Center, Omaha, NE, 68198, USA
- Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Bhopal C Mohapatra
- Department of Genetics, Cell Biology & Anatomy, College of Medicine, University of Nebraska Medical Center, Omaha, NE, 68198, USA.
- Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, 68198, USA.
| | - Hamid Band
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE, 68198, USA.
- Department of Genetics, Cell Biology & Anatomy, College of Medicine, University of Nebraska Medical Center, Omaha, NE, 68198, USA.
- Department of Biostatistics, College of Public Health, University of Nebraska Medical Center, Omaha, NE, 68198, USA.
- Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, 68198, USA.
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21
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Bahrami E, Schmid JP, Jurinovic V, Becker M, Wirth AK, Ludwig R, Kreissig S, Duque Angel TV, Amend D, Hunt K, Öllinger R, Rad R, Frenz JM, Solovey M, Ziemann F, Mann M, Vick B, Wichmann C, Herold T, Jayavelu AK, Jeremias I. Combined proteomics and CRISPR‒Cas9 screens in PDX identify ADAM10 as essential for leukemia in vivo. Mol Cancer 2023; 22:107. [PMID: 37422628 PMCID: PMC10329331 DOI: 10.1186/s12943-023-01803-0] [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: 10/01/2022] [Accepted: 06/08/2023] [Indexed: 07/10/2023] Open
Abstract
BACKGROUND Acute leukemias represent deadly malignancies that require better treatment. As a challenge, treatment is counteracted by a microenvironment protecting dormant leukemia stem cells. METHODS To identify responsible surface proteins, we performed deep proteome profiling on minute numbers of dormant patient-derived xenograft (PDX) leukemia stem cells isolated from mice. Candidates were functionally screened by establishing a comprehensive CRISPR‒Cas9 pipeline in PDX models in vivo. RESULTS A disintegrin and metalloproteinase domain-containing protein 10 (ADAM10) was identified as an essential vulnerability required for the survival and growth of different types of acute leukemias in vivo, and reconstitution assays in PDX models confirmed the relevance of its sheddase activity. Of translational importance, molecular or pharmacological targeting of ADAM10 reduced PDX leukemia burden, cell homing to the murine bone marrow and stem cell frequency, and increased leukemia response to conventional chemotherapy in vivo. CONCLUSIONS These findings identify ADAM10 as an attractive therapeutic target for the future treatment of acute leukemias.
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Affiliation(s)
- Ehsan Bahrami
- Research Unit Apoptosis in Hematopoietic Stem Cells, Helmholtz Center Munich, Feodor-Lynen-Str. 21, Munich, 81377 Germany
| | - Jan Philipp Schmid
- Research Unit Apoptosis in Hematopoietic Stem Cells, Helmholtz Center Munich, Feodor-Lynen-Str. 21, Munich, 81377 Germany
- German Cancer Consortium (DKTK), partner site Munich, Munich, Germany
| | - Vindi Jurinovic
- Research Unit Apoptosis in Hematopoietic Stem Cells, Helmholtz Center Munich, Feodor-Lynen-Str. 21, Munich, 81377 Germany
- Laboratory for Experimental Leukemia and Lymphoma Research (ELLF), Department of Medicine III, LMU University Hospital, LMU Munich, Munich, Germany
| | - Martin Becker
- Research Unit Apoptosis in Hematopoietic Stem Cells, Helmholtz Center Munich, Feodor-Lynen-Str. 21, Munich, 81377 Germany
| | - Anna-Katharina Wirth
- Research Unit Apoptosis in Hematopoietic Stem Cells, Helmholtz Center Munich, Feodor-Lynen-Str. 21, Munich, 81377 Germany
| | - Romina Ludwig
- Research Unit Apoptosis in Hematopoietic Stem Cells, Helmholtz Center Munich, Feodor-Lynen-Str. 21, Munich, 81377 Germany
- German Cancer Consortium (DKTK), partner site Munich, Munich, Germany
| | - Sophie Kreissig
- Division of Transfusion Medicine, Cell Therapeutics and Haemostaseology, LMU University Hospital, LMU Munich, Munich, Germany
| | - Tania Vanessa Duque Angel
- Research Unit Apoptosis in Hematopoietic Stem Cells, Helmholtz Center Munich, Feodor-Lynen-Str. 21, Munich, 81377 Germany
| | - Diana Amend
- Research Unit Apoptosis in Hematopoietic Stem Cells, Helmholtz Center Munich, Feodor-Lynen-Str. 21, Munich, 81377 Germany
| | - Katharina Hunt
- Research Unit Apoptosis in Hematopoietic Stem Cells, Helmholtz Center Munich, Feodor-Lynen-Str. 21, Munich, 81377 Germany
| | - Rupert Öllinger
- Center for Translational Cancer Research (TranslaTUM), TUM School of Medicine, and Department of Medicine II, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
- Institute of Molecular Oncology and Functional Genomics, Technische Universität München, Munich, Germany
| | - Roland Rad
- German Cancer Consortium (DKTK), partner site Munich, Munich, Germany
- Center for Translational Cancer Research (TranslaTUM), TUM School of Medicine, and Department of Medicine II, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
- Institute of Molecular Oncology and Functional Genomics, Technische Universität München, Munich, Germany
| | - Joris Maximilian Frenz
- Proteomics and Cancer Cell Signaling Group, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Department of Pediatric Oncology, Hematology, and Immunology, University of Heidelberg and Hopp Children’s Cancer Center (KiTZ), Heidelberg, Germany
| | - Maria Solovey
- Institute of Computational Biology, Helmholtz Center Munich, Munich, Germany
- Chair of Physiological Chemistry, Biomedical Center (BMC), Faculty of Medicine, LMU Munich, Munich, Germany
| | - Frank Ziemann
- Laboratory for Experimental Leukemia and Lymphoma Research (ELLF), Department of Medicine III, LMU University Hospital, LMU Munich, Munich, Germany
| | - Matthias Mann
- Department of Proteomics and Signal Transduction, Max-Planck-Institute of Biochemistry, Munich, Germany
| | - Binje Vick
- Research Unit Apoptosis in Hematopoietic Stem Cells, Helmholtz Center Munich, Feodor-Lynen-Str. 21, Munich, 81377 Germany
- German Cancer Consortium (DKTK), partner site Munich, Munich, Germany
| | - Christian Wichmann
- Division of Transfusion Medicine, Cell Therapeutics and Haemostaseology, LMU University Hospital, LMU Munich, Munich, Germany
| | - Tobias Herold
- Research Unit Apoptosis in Hematopoietic Stem Cells, Helmholtz Center Munich, Feodor-Lynen-Str. 21, Munich, 81377 Germany
- German Cancer Consortium (DKTK), partner site Munich, Munich, Germany
- Laboratory for Experimental Leukemia and Lymphoma Research (ELLF), Department of Medicine III, LMU University Hospital, LMU Munich, Munich, Germany
| | - Ashok Kumar Jayavelu
- Proteomics and Cancer Cell Signaling Group, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Department of Pediatric Oncology, Hematology, and Immunology, University of Heidelberg and Hopp Children’s Cancer Center (KiTZ), Heidelberg, Germany
- Department of Proteomics and Signal Transduction, Max-Planck-Institute of Biochemistry, Munich, Germany
| | - Irmela Jeremias
- Research Unit Apoptosis in Hematopoietic Stem Cells, Helmholtz Center Munich, Feodor-Lynen-Str. 21, Munich, 81377 Germany
- German Cancer Consortium (DKTK), partner site Munich, Munich, Germany
- Department of Pediatrics, Dr. Von Hauner Children’s Hospital, LMU University Hospital, LMU Munich, Munich, Germany
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22
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Pottosin I, Olivas-Aguirre M, Dobrovinskaya O. In vitro simulation of the acute lymphoblastic leukemia niche: a critical view on the optimal approximation for drug testing. J Leukoc Biol 2023; 114:21-41. [PMID: 37039524 DOI: 10.1093/jleuko/qiad039] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 03/29/2023] [Accepted: 03/31/2023] [Indexed: 04/12/2023] Open
Abstract
Acute lymphoblastic leukemia with the worst prognosis is related to minimal residual disease. Minimal residual disease not only depends on the individual peculiarities of leukemic clones but also reflects the protective role of the acute lymphoblastic leukemia microenvironment. In this review, we discuss in detail cell-to-cell interactions in the 2 leukemic niches, more explored bone marrow and less studied extramedullary adipose tissue. A special emphasis is given to multiple ways of interactions of acute lymphoblastic leukemia cells with the bone marrow or extramedullary adipose tissue microenvironment, indicating observed differences in B- and T-cell-derived acute lymphoblastic leukemia behavior. This analysis argued for the usage of coculture systems for drug testing. Starting with a review of available sources and characteristics of acute lymphoblastic leukemia cells, mesenchymal stromal cells, endothelial cells, and adipocytes, we have then made an update of the available 2-dimensional and 3-dimensional systems, which bring together cellular elements, components of the extracellular matrix, or its imitation. We discussed the most complex available 3-dimensional systems like "leukemia-on-a-chip," which include either a prefabricated microfluidics platform or, alternatively, the microarchitecture, designed by using the 3-dimensional bioprinting technologies. From our analysis, it follows that for preclinical antileukemic drug testing, in most cases, intermediately complex in vitro cell systems are optimal, such as a "2.5-dimensional" coculture of acute lymphoblastic leukemia cells with niche cells (mesenchymal stromal cells, endothelial cells) plus matrix components or scaffold-free mesenchymal stromal cell organoids, populated by acute lymphoblastic leukemia cells. Due to emerging evidence for the correlation of obesity and poor prognosis, a coculture of adipocytes with acute lymphoblastic leukemia cells as a drug testing system is gaining shape.
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Affiliation(s)
- Igor Pottosin
- Laboratory of Immunobiology and Ionic Transport Regulation, University Center for Biomedical Research, University of Colima, Av. Enrique Arreola Silva 883, Guzmán City, Jalisco, 49000, Mexico
| | - Miguel Olivas-Aguirre
- Laboratory of Immunobiology and Ionic Transport Regulation, University Center for Biomedical Research, University of Colima, Av. Enrique Arreola Silva 883, Guzmán City, Jalisco, 49000, Mexico
- Division of Exact, Natural and Technological Sciences, South University Center (CUSUR), University of Guadalajara, Jalisco, Mexico
| | - Oxana Dobrovinskaya
- Laboratory of Immunobiology and Ionic Transport Regulation, University Center for Biomedical Research, University of Colima, Av. Enrique Arreola Silva 883, Guzmán City, Jalisco, 49000, Mexico
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23
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Li C, Qiu S, Liu X, Guo F, Zhai J, Li Z, Deng L, Ge L, Qian H, Yang L, Xu B. Extracellular matrix-derived mechanical force governs breast cancer cell stemness and quiescence transition through integrin-DDR signaling. Signal Transduct Target Ther 2023; 8:247. [PMID: 37369642 DOI: 10.1038/s41392-023-01453-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 04/13/2023] [Accepted: 04/23/2023] [Indexed: 06/29/2023] Open
Abstract
The extracellular matrix (ECM) serves as signals that regulate specific cell states in tumor tissues. Increasing evidence suggests that extracellular biomechanical force signals are critical in tumor progression. In this study, we aimed to explore the influence of ECM-derived biomechanical force on breast cancer cell status. Experiments were conducted using 3D collagen, fibrinogen, and Matrigel matrices to investigate the role of mechanical force in tumor development. Integrin-cytoskeleton-AIRE and DDR-STAT signals were examined using RNA sequencing and western blotting. Data from 1358 patients and 86 clinical specimens were used for ECM signature-prognosis analysis. Our findings revealed that ECM-derived mechanical force regulated tumor stemness and cell quiescence in breast cancer cells. A mechanical force of ~45 Pa derived from the extracellular substrate activated integrin β1/3 receptors, stimulating stem cell signaling pathways through the cytoskeleton/AIRE axis and promoting tumorigenic potential and stem-like phenotypes. However, excessive mechanical force (450 Pa) could drive stem-like cancer cells into a quiescent state, with the removal of mechanical forces leading to vigorous proliferation in quiescent cancer stem cells. Mechanical force facilitated cell cycle arrest to induce quiescence, dependent on DDR2/STAT1/P27 signaling. Therefore, ECM-derived mechanical force governs breast cancer cell status and proliferative characteristics through stiffness alterations. We further established an ECM signature based on the fibrinogen/fibronectin/vitronectin/elastin axis, which efficiently predicts patient prognosis in breast cancer. Our findings highlight the vital role of ECM-derived mechanical force in governing breast cancer cell stemness/quiescence transition and suggest the novel use of ECM signature in predicting the clinical prognosis of breast cancer.
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Affiliation(s)
- Cong Li
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
- State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Shi Qiu
- Department of Urology, Institute of Urology and National Clinical Research Center for Geriatrics, West China Hospital of Sichuan University, Chengdu, 610041, China
- National Clinical Research Center of Geriatrics, The Center of Gerontology and Geriatrics, West China Hospital, Sichuan University, Chengdu, 610065, China
- Institute of Oncology Research (IOR), Oncology Institute of Southern Switzerland (IOSI), Bellinzona, 6500, Switzerland
| | - Xiaohan Liu
- Department of Histology and Embryology, Basic Medical College, China Medical University, Shenyang, Liaoning, 110122, China
| | - Fengzhu Guo
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
- State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Jingtong Zhai
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Zhijun Li
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Linghui Deng
- Institute of Oncology Research (IOR), Oncology Institute of Southern Switzerland (IOSI), Bellinzona, 6500, Switzerland
| | - Liming Ge
- Department of Pharmaceutical and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu, 610065, China
| | - Haili Qian
- State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China.
| | - Lu Yang
- Department of Urology, Institute of Urology and National Clinical Research Center for Geriatrics, West China Hospital of Sichuan University, Chengdu, 610041, China.
| | - Binghe Xu
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China.
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24
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Ohata H, Shiokawa D, Sakai H, Kanda Y, Okimoto Y, Kaneko S, Hamamoto R, Nakagama H, Okamoto K. PROX1 induction by autolysosomal activity stabilizes persister-like state of colon cancer via feedback repression of the NOX1-mTORC1 pathway. Cell Rep 2023; 42:112519. [PMID: 37224811 DOI: 10.1016/j.celrep.2023.112519] [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: 03/08/2022] [Revised: 02/06/2023] [Accepted: 05/01/2023] [Indexed: 05/26/2023] Open
Abstract
Cancer chemoresistance is often attributed to slow-cycling persister populations with cancer stem cell (CSC)-like features. However, how persister populations emerge and prevail in cancer remains obscure. We previously demonstrated that while the NOX1-mTORC1 pathway is responsible for proliferation of a fast-cycling CSC population, PROX1 expression is required for chemoresistant persisters in colon cancer. Here, we show that enhanced autolysosomal activity mediated by mTORC1 inhibition induces PROX1 expression and that PROX1 induction in turn inhibits NOX1-mTORC1 activation. CDX2, identified as a transcriptional activator of NOX1, mediates PROX1-dependent NOX1 inhibition. PROX1-positive and CDX2-positive cells are present in distinct populations, and mTOR inhibition triggers conversion of the CDX2-positive population to the PROX1-positive population. Inhibition of autophagy synergizes with mTOR inhibition to block cancer proliferation. Thus, mTORC1 inhibition-mediated induction of PROX1 stabilizes a persister-like state with high autolysosomal activity via a feedback regulation that involves a key cascade of proliferating CSCs.
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Affiliation(s)
- Hirokazu Ohata
- Teikyo University, Advanced Comprehensive Research Organization, Tokyo 173-0003, Japan
| | | | - Hiroaki Sakai
- Teikyo University, Advanced Comprehensive Research Organization, Tokyo 173-0003, Japan
| | - Yusuke Kanda
- Teikyo University, Advanced Comprehensive Research Organization, Tokyo 173-0003, Japan
| | - Yoshie Okimoto
- Teikyo University, Advanced Comprehensive Research Organization, Tokyo 173-0003, Japan
| | - Syuzo Kaneko
- Division of Medical AI Research and Development, National Cancer Center Research Institute, Tokyo 104-0045, Japan
| | - Ryuji Hamamoto
- Division of Medical AI Research and Development, National Cancer Center Research Institute, Tokyo 104-0045, Japan
| | | | - Koji Okamoto
- Teikyo University, Advanced Comprehensive Research Organization, Tokyo 173-0003, Japan.
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25
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Wiecek AJ, Cutty SJ, Kornai D, Parreno-Centeno M, Gourmet LE, Tagliazucchi GM, Jacobson DH, Zhang P, Xiong L, Bond GL, Barr AR, Secrier M. Genomic hallmarks and therapeutic implications of G0 cell cycle arrest in cancer. Genome Biol 2023; 24:128. [PMID: 37221612 PMCID: PMC10204193 DOI: 10.1186/s13059-023-02963-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 05/07/2023] [Indexed: 05/25/2023] Open
Abstract
BACKGROUND Therapy resistance in cancer is often driven by a subpopulation of cells that are temporarily arrested in a non-proliferative G0 state, which is difficult to capture and whose mutational drivers remain largely unknown. RESULTS We develop methodology to robustly identify this state from transcriptomic signals and characterise its prevalence and genomic constraints in solid primary tumours. We show that G0 arrest preferentially emerges in the context of more stable, less mutated genomes which maintain TP53 integrity and lack the hallmarks of DNA damage repair deficiency, while presenting increased APOBEC mutagenesis. We employ machine learning to uncover novel genomic dependencies of this process and validate the role of the centrosomal gene CEP89 as a modulator of proliferation and G0 arrest capacity. Lastly, we demonstrate that G0 arrest underlies unfavourable responses to various therapies exploiting cell cycle, kinase signalling and epigenetic mechanisms in single-cell data. CONCLUSIONS We propose a G0 arrest transcriptional signature that is linked with therapeutic resistance and can be used to further study and clinically track this state.
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Affiliation(s)
- Anna J. Wiecek
- UCL Genetics Institute, Department of Genetics, Evolution and Environment, University College London, London, UK
| | - Stephen J. Cutty
- Institute of Clinical Sciences, Faculty of Medicine, Imperial College London, London, UK
| | - Daniel Kornai
- UCL Genetics Institute, Department of Genetics, Evolution and Environment, University College London, London, UK
| | - Mario Parreno-Centeno
- UCL Genetics Institute, Department of Genetics, Evolution and Environment, University College London, London, UK
| | - Lucie E. Gourmet
- UCL Genetics Institute, Department of Genetics, Evolution and Environment, University College London, London, UK
| | | | - Daniel H. Jacobson
- UCL Genetics Institute, Department of Genetics, Evolution and Environment, University College London, London, UK
- UCL Cancer Institute, Paul O’Gorman Building, University College London, London, UK
| | - Ping Zhang
- Wellcome Centre for Human Genetics, University of Oxford, Oxford, UK
| | - Lingyun Xiong
- Wellcome Centre for Human Genetics, University of Oxford, Oxford, UK
| | - Gareth L. Bond
- Institute of Cancer and Genomic Sciences, University of Birmingham, Edgbaston, Birmingham, UK
| | - Alexis R. Barr
- Institute of Clinical Sciences, Faculty of Medicine, Imperial College London, London, UK
- Cell Cycle Control Team, MRC London Institute of Medical Sciences (LMS), London, UK
| | - Maria Secrier
- UCL Genetics Institute, Department of Genetics, Evolution and Environment, University College London, London, UK
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26
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Salemme V, Centonze G, Avalle L, Natalini D, Piccolantonio A, Arina P, Morellato A, Ala U, Taverna D, Turco E, Defilippi P. The role of tumor microenvironment in drug resistance: emerging technologies to unravel breast cancer heterogeneity. Front Oncol 2023; 13:1170264. [PMID: 37265795 PMCID: PMC10229846 DOI: 10.3389/fonc.2023.1170264] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Accepted: 04/28/2023] [Indexed: 06/03/2023] Open
Abstract
Breast cancer is a highly heterogeneous disease, at both inter- and intra-tumor levels, and this heterogeneity is a crucial determinant of malignant progression and response to treatments. In addition to genetic diversity and plasticity of cancer cells, the tumor microenvironment contributes to tumor heterogeneity shaping the physical and biological surroundings of the tumor. The activity of certain types of immune, endothelial or mesenchymal cells in the microenvironment can change the effectiveness of cancer therapies via a plethora of different mechanisms. Therefore, deciphering the interactions between the distinct cell types, their spatial organization and their specific contribution to tumor growth and drug sensitivity is still a major challenge. Dissecting intra-tumor heterogeneity is currently an urgent need to better define breast cancer biology and to develop therapeutic strategies targeting the microenvironment as helpful tools for combined and personalized treatment. In this review, we analyze the mechanisms by which the tumor microenvironment affects the characteristics of tumor heterogeneity that ultimately result in drug resistance, and we outline state of the art preclinical models and emerging technologies that will be instrumental in unraveling the impact of the tumor microenvironment on resistance to therapies.
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Affiliation(s)
- Vincenzo Salemme
- Department of Molecular Biotechnology and Health Sciences, University of Turin, Turin, Italy
- Molecular Biotechnology Center (MBC) “Guido Tarone”, Turin, Italy
| | - Giorgia Centonze
- Department of Molecular Biotechnology and Health Sciences, University of Turin, Turin, Italy
- Molecular Biotechnology Center (MBC) “Guido Tarone”, Turin, Italy
| | - Lidia Avalle
- Department of Molecular Biotechnology and Health Sciences, University of Turin, Turin, Italy
- Molecular Biotechnology Center (MBC) “Guido Tarone”, Turin, Italy
| | - Dora Natalini
- Department of Molecular Biotechnology and Health Sciences, University of Turin, Turin, Italy
- Molecular Biotechnology Center (MBC) “Guido Tarone”, Turin, Italy
| | - Alessio Piccolantonio
- Department of Molecular Biotechnology and Health Sciences, University of Turin, Turin, Italy
- Molecular Biotechnology Center (MBC) “Guido Tarone”, Turin, Italy
| | - Pietro Arina
- UCL, Bloomsbury Institute of Intensive Care Medicine, Division of Medicine, University College London, London, United Kingdom
| | - Alessandro Morellato
- Department of Molecular Biotechnology and Health Sciences, University of Turin, Turin, Italy
- Molecular Biotechnology Center (MBC) “Guido Tarone”, Turin, Italy
| | - Ugo Ala
- Department of Veterinary Sciences, University of Turin, Grugliasco, TO, Italy
| | - Daniela Taverna
- Department of Molecular Biotechnology and Health Sciences, University of Turin, Turin, Italy
- Molecular Biotechnology Center (MBC) “Guido Tarone”, Turin, Italy
| | - Emilia Turco
- Department of Molecular Biotechnology and Health Sciences, University of Turin, Turin, Italy
| | - Paola Defilippi
- Department of Molecular Biotechnology and Health Sciences, University of Turin, Turin, Italy
- Molecular Biotechnology Center (MBC) “Guido Tarone”, Turin, Italy
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27
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Parker J, Hockney S, Blaschuk OW, Pal D. Targeting N-cadherin (CDH2) and the malignant bone marrow microenvironment in acute leukaemia. Expert Rev Mol Med 2023; 25:e16. [PMID: 37132370 PMCID: PMC10407222 DOI: 10.1017/erm.2023.13] [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: 09/12/2022] [Revised: 03/13/2023] [Accepted: 05/01/2023] [Indexed: 05/04/2023]
Abstract
This review discusses current research on acute paediatric leukaemia, the leukaemic bone marrow (BM) microenvironment and recently discovered therapeutic opportunities to target leukaemia-niche interactions. The tumour microenvironment plays an integral role in conferring treatment resistance to leukaemia cells, this poses as a key clinical challenge that hinders management of this disease. Here we focus on the role of the cell adhesion molecule N-cadherin (CDH2) within the malignant BM microenvironment and associated signalling pathways that may bear promise as therapeutic targets. Additionally, we discuss microenvironment-driven treatment resistance and relapse, and elaborate the role of CDH2-mediated cancer cell protection from chemotherapy. Finally, we review emerging therapeutic approaches that directly target CDH2-mediated adhesive interactions between the BM cells and leukaemia cells.
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Affiliation(s)
- Jessica Parker
- Department of Applied Sciences, Northumbria University, Newcastle upon Tyne NE1 8ST, UK
| | - Sean Hockney
- Department of Applied Sciences, Northumbria University, Newcastle upon Tyne NE1 8ST, UK
| | | | - Deepali Pal
- Department of Applied Sciences, Northumbria University, Newcastle upon Tyne NE1 8ST, UK
- Wolfson Childhood Cancer Research Centre, Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Herschel Building Level 6, Brewery Lane, Newcastle upon Tyne NE1 7RU, UK
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28
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Nevárez-Ramírez AJ, Guzmán-Ortiz AL, Cortes-Reynosa P, Perez-Salazar E, Jaimes-Ortega GA, Valle-Rios R, Marín-Hernández Á, Rodríguez-Zavala JS, Ruiz-May E, Castrejón-Flores JL, Quezada H. Shotgun Proteomics of Co-Cultured Leukemic and Bone Marrow Stromal Cells from Different Species as a Preliminary Approach to Detect Intercellular Protein Transfer. Proteomes 2023; 11:proteomes11020015. [PMID: 37092456 PMCID: PMC10123657 DOI: 10.3390/proteomes11020015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 03/25/2023] [Accepted: 04/03/2023] [Indexed: 04/08/2023] Open
Abstract
Cellular interactions within the bone marrow microenvironment modulate the properties of subsets of leukemic cells leading to the development of drug-resistant phenotypes. The intercellular transfer of proteins and organelles contributes to this process but the set of transferred proteins and their effects in the receiving cells remain unclear. This study aimed to detect the intercellular protein transfer from mouse bone marrow stromal cells (OP9 cell line) to human T-lymphoblasts (CCRF-CEM cell line) using nanoLC-MS/MS-based shotgun proteomics in a 3D co-culture system. After 24 h of co-culture, 1513 and 67 proteins from human and mouse origin, respectively, were identified in CCRF-CEM cells. The presence of mouse proteins in the human cell line, detected by analyzing the differences in amino acid sequences of orthologous peptides, was interpreted as the result of intercellular transfer. The transferred proteins might have contributed to the observed resistance to vincristine, methotrexate, and hydrogen peroxide in the co-cultured leukemic cells. Our results suggest that shotgun proteomic analyses of co-cultured cells from different species could be a simple option to get a preliminary survey of the proteins exchanged among interacting cells.
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Affiliation(s)
- Abraham Josué Nevárez-Ramírez
- Laboratorio de Investigación en Inmunología y Proteómica, Hospital Infantil de México Federico Gómez, Dr. Márquez 162, Doctores, Mexico City 06720, Mexico
- Unidad Profesional Interdisciplinaria de Biotecnología, Instituto Politécnico Nacional, Av. Acueducto s/n, Barrio La Laguna, Mexico City 07340, Mexico
| | - Ana Laura Guzmán-Ortiz
- Laboratorio de Investigación en Inmunología y Proteómica, Hospital Infantil de México Federico Gómez, Dr. Márquez 162, Doctores, Mexico City 06720, Mexico
| | - Pedro Cortes-Reynosa
- Departamento de Biología Celular, CINVESTAV-IPN, Av Instituto Politécnico Nacional 2508, San Pedro Zacatenco, Mexico City 07360, Mexico
| | - Eduardo Perez-Salazar
- Departamento de Biología Celular, CINVESTAV-IPN, Av Instituto Politécnico Nacional 2508, San Pedro Zacatenco, Mexico City 07360, Mexico
| | - Gustavo Alberto Jaimes-Ortega
- Laboratorio de Investigación en Inmunología y Proteómica, Hospital Infantil de México Federico Gómez, Dr. Márquez 162, Doctores, Mexico City 06720, Mexico
- División de Investigación, Facultad de Medicina, Universidad Nacional Autónoma de México (UNAM), Circuito interior, Av. Universidad 3000, Ciudad Universitaria, Coyoacán, Mexico City 04510, Mexico
| | - Ricardo Valle-Rios
- Laboratorio de Investigación en Inmunología y Proteómica, Hospital Infantil de México Federico Gómez, Dr. Márquez 162, Doctores, Mexico City 06720, Mexico
- División de Investigación, Facultad de Medicina, Universidad Nacional Autónoma de México (UNAM), Circuito interior, Av. Universidad 3000, Ciudad Universitaria, Coyoacán, Mexico City 04510, Mexico
| | - Álvaro Marín-Hernández
- Departamento de Bioquímica, Instituto Nacional de Cardiología Ignacio Chávez, Juan Badiano 1, Belisario Domínguez—Sección XVI, Mexico City 14080, Mexico
| | - José S. Rodríguez-Zavala
- Departamento de Bioquímica, Instituto Nacional de Cardiología Ignacio Chávez, Juan Badiano 1, Belisario Domínguez—Sección XVI, Mexico City 14080, Mexico
| | - Eliel Ruiz-May
- Red de Estudios Moleculares Avanzados, Clúster Científico y Tecnológico BioMimic®, Instituto de Ecología A.C. (INECOL), Carretera Antigua a Coatepec 351, El Haya, Xalapa 91073, Mexico
| | - José Luis Castrejón-Flores
- Unidad Profesional Interdisciplinaria de Biotecnología, Instituto Politécnico Nacional, Av. Acueducto s/n, Barrio La Laguna, Mexico City 07340, Mexico
| | - Héctor Quezada
- Laboratorio de Investigación en Inmunología y Proteómica, Hospital Infantil de México Federico Gómez, Dr. Márquez 162, Doctores, Mexico City 06720, Mexico
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29
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Chakraborty S, Bhat AM, Mushtaq I, Luan H, Kalluchi A, Mirza S, Storck MD, Chaturvedi N, Lopez-Guerrero JA, Llombart-Bosch A, Machado I, Scotlandi K, Meza JL, Ghosal G, Coulter DW, Rowley JM, Band V, Mohapatra BC, Band H. EHD1-dependent traffic of IGF-1 receptor to the cell surface is essential for Ewing sarcoma tumorigenesis and metastasis. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.01.15.524130. [PMID: 36711452 PMCID: PMC9882098 DOI: 10.1101/2023.01.15.524130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Overexpression of EPS15 Homology Domain containing 1 (EHD1) has been linked to tumorigenesis but whether its core function as a regulator of intracellular traffic of cell surface receptors plays a role in oncogenesis remains unknown. We establish that EHD1 is overexpressed in Ewing sarcoma (EWS), with high EHD mRNA expression specifying shorter patient survival. ShRNA and CRISPR-knockout with mouse Ehd1 rescue established a requirement of EHD1 for tumorigenesis and metastasis. RTK antibody arrays identified the IGF-1R as a target of EHD1 regulation in EWS. Mechanistically, we demonstrate a requirement of EHD1 for endocytic recycling and Golgi to plasma membrane traffic of IGF-1R to maintain its surface expression and downstream signaling. Conversely, EHD1 overexpression-dependent exaggerated oncogenic traits require IGF-1R expression and kinase activity. Our findings define the RTK traffic regulation as a proximal mechanism of EHD1 overexpression-dependent oncogenesis that impinges on IGF-1R in EWS, supporting the potential of IGF-1R and EHD1 co-targeting.
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30
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Lim MS, Foley M, Mussolin L, Siebert R, Turner S. Biopathology of childhood, adolescent and young adult non-Hodgkin lymphoma. Best Pract Res Clin Haematol 2023; 36:101447. [PMID: 36907637 DOI: 10.1016/j.beha.2023.101447] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 02/01/2023] [Indexed: 02/05/2023]
Abstract
Mature non-Hodgkin lymphomas (NHL) in the childhood, adolescent and young adult (CAYA) population are rare and exhibit unique clinical, immunophenotypic and genetic characteristics. Application of large-scale unbiased genomic and proteomic technologies such as gene expression profiling and next generation sequencing (NGS) have led to enhanced understanding of the genetic basis for many lymphomas in adults. However, studies to investigate the pathogenetic events in CAYA population are relatively sparse. Enhanced understanding of the pathobiologic mechanisms involved in non-Hodgkin lymphomas in this unique population will allow for improved recognition of these rare lymphomas. Elucidation of the pathobiologic differences between CAYA and adult lymphomas will also lead to the design of more rational and much needed, less toxic therapies for this population. In this review, we summarize recent insights gained from the proceedings of the recent 7th International CAYA NHL Symposium held in New York City, New York October 20-23, 2022.
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Affiliation(s)
- Megan S Lim
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center,417 East 68th New York City, NY, USA.
| | - Michelle Foley
- Department of Pediatrics, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, Howard 14, New York City, NY, USA New York City, NY, USA.
| | - Lara Mussolin
- Pediatric Hematology, Oncology and Stem Cell Transplant Division, University Hospital of Padova, via Giustiniani 3, 35128 Padova, Italy.
| | - Reiner Siebert
- Institute of Human Genetics, Ulm University & Ulm University Medical Center, Albert-Einstein-Allee 11, D-89081 Ulm, Germany.
| | - Suzanne Turner
- Department of Pathology, University of Cambridge, Lab Block Level 3, Box 231, Addenbrookes Hospital, Hills Road, Cambridge CB20QQ, UK; CEITEC, Masaryk University, Brno, Czech Republic.
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31
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Drug-tolerant persister B-cell precursor acute lymphoblastic leukemia cells. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.02.28.530540. [PMID: 36909619 PMCID: PMC10002708 DOI: 10.1101/2023.02.28.530540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
Abstract
Reduced responsiveness of precursor B-acute lymphoblastic leukemia (BCP-ALL) to chemotherapy can be inferred when leukemia cells persist after 28 days of initial treatment. Survival of these long-term persister (LTP) / minimal residual disease (MRD) cells is partly due to bone marrow stromal cells that protect them under conditions of chemotherapy stress. We used RNA-seq to analyse BCP-ALL cells that survived a long-term, 30-day vincristine chemotherapy treatment while in co-culture with bone marrow stromal cells. RNAs of as many as 10% of the protein-encoding genes were differentially expressed. There was substantial overlap with genes associated with MRD cell persistence reported in other studies. The top pathway regulated in the LTP cells was that involving p53, a master regulator of a spectrum of responses relevant to drug resistance and cytotoxic drug exposure including control of autophagy. We tested a select number of genes for contribution to BCP-ALL cell survival using Cas9/CRISPR in a 2-step selection, initially for overall effect on cell fitness, followed by 21 days of exposure to vincristine. Many genes involved in autophagy and lysosomal function were found to contribute to survival both at steady-state and during drug treatment. We also identified MYH9, NCSTN and KIAA2013 as specific genes contributing to fitness of BCP-ALL cells. CD44 was not essential for growth under steady state conditions but was needed for survival of vincristine treatment. Finally, although the drug transporter ABCC1/MRP1 is not overexpressed in BCP-ALL, a functional gene was needed for DTP cells to survive treatment with vincristine. This suggests that addition of possible ABCC1 inhibitors during induction therapy could provide benefit in eradication of minimal residual disease in patients treated with a chemotherapy regimen that includes vincristine.
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Dormancy, stemness, and therapy resistance: interconnected players in cancer evolution. Cancer Metastasis Rev 2023; 42:197-215. [PMID: 36757577 PMCID: PMC10014678 DOI: 10.1007/s10555-023-10092-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Accepted: 01/26/2023] [Indexed: 02/10/2023]
Abstract
The biological complexity of cancer represents a tremendous clinical challenge, resulting in the frequent failure of current treatment protocols. In the rapidly evolving scenario of a growing tumor, anticancer treatments impose a drastic perturbation not only to cancer cells but also to the tumor microenvironment, killing a portion of the cells and inducing a massive stress response in the survivors. Consequently, treatments can act as a double-edged sword by inducing a temporary response while laying the ground for therapy resistance and subsequent disease progression. Cancer cell dormancy (or quiescence) is a central theme in tumor evolution, being tightly linked to the tumor's ability to survive cytotoxic challenges, metastasize, and resist immune-mediated attack. Accordingly, quiescent cancer cells (QCCs) have been detected in virtually all the stages of tumor development. In recent years, an increasing number of studies have focused on the characterization of quiescent/therapy resistant cancer cells, unveiling QCCs core transcriptional programs, metabolic plasticity, and mechanisms of immune escape. At the same time, our partial understanding of tumor quiescence reflects the difficulty to identify stable QCCs biomarkers/therapeutic targets and to control cancer dormancy in clinical settings. This review focuses on recent discoveries in the interrelated fields of dormancy, stemness, and therapy resistance, discussing experimental evidences in the frame of a nonlinear dynamics approach, and exploring the possibility that tumor quiescence may represent not only a peril but also a potential therapeutic resource.
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Liu X, Peng S, Tang G, Xu G, Xie Y, Shen D, Zhu M, Huang Y, Wang X, Yu H, Huang M, Luo Y. Fasting-mimicking diet synergizes with ferroptosis against quiescent, chemotherapy-resistant cells. EBioMedicine 2023; 90:104496. [PMID: 36863257 PMCID: PMC9996234 DOI: 10.1016/j.ebiom.2023.104496] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 02/09/2023] [Accepted: 02/10/2023] [Indexed: 03/04/2023] Open
Abstract
BACKGROUND More than ten randomized clinical trials are being tested to evaluate the efficacy, effectiveness and safety of a fasting-mimicking diet (FMD) combined with different antitumor agents. METHODS UMI-mRNA sequencing, Cell-cycle analysis, Label retention, metabolomics, Multilabeling et al. were used to explore mechanisms. A tandem mRFP-GFP-tagged LC3B, Annexin-V-FITC Apoptosis, TUNEL, H&E, Ki-67 and animal model was used to search for synergistic drugs. FINDINGS Here we showed that fasting or FMD retards tumor growth more effectively but does not increase 5-fluorouracil/oxaliplatin (5-FU/OXA) sensitivity to apoptosis in vitro and in vivo. Mechanistically, we demonstrated that CRC cells would switch from an active proliferative to a slow-cycling state during fasting. Furthermore, metabolomics shows cell proliferation was decreased to survive nutrient stress in vivo, as evidenced by a low level of adenosine and deoxyadenosine monophosphate. CRC cells would decrease proliferation to achieve increased survival and relapse after chemotherapy. In addition, these fasting-induced quiescent cells were more prone to develop drug-tolerant persister (DTP) tumor cells postulated to be responsible for cancer relapse and metastasis. Then, UMI-mRNA sequencing uncovered the ferroptosis pathway as the pathway most influenced by fasting. Combining fasting with ferroptosis inducer treatment leads to tumor inhibition and eradication of quiescent cells by boosting autophagy. INTERPRETATION Our results suggest that ferroptosis could improve the antitumor activity of FMD + chemotherapy and highlight a potential therapeutic opportunity to avoid DTP cells-driven tumor relapse and therapy failure. FUNDING A full list of funding bodies can be found in the Acknowledgements section.
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Affiliation(s)
- Xiaoxia Liu
- Department of Colorectal Surgery, Department of General Surgery, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China; Guangdong Institute of Gastroenterology, Guangzhou, Guangdong, 510655, China.
| | - Shaoyong Peng
- Department of Colorectal Surgery, Department of General Surgery, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Guannan Tang
- Department of Colorectal Surgery, Department of General Surgery, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China; Guangdong Institute of Gastroenterology, Guangzhou, Guangdong, 510655, China
| | - Gaopo Xu
- Department of Colorectal Surgery, Department of General Surgery, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China; Guangdong Institute of Gastroenterology, Guangzhou, Guangdong, 510655, China
| | - Yumo Xie
- Department of Colorectal Surgery, Department of General Surgery, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China; Guangdong Institute of Gastroenterology, Guangzhou, Guangdong, 510655, China
| | - Dingcheng Shen
- Department of Colorectal Surgery, Department of General Surgery, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China; Guangdong Institute of Gastroenterology, Guangzhou, Guangdong, 510655, China
| | - Mingxuan Zhu
- Department of Colorectal Surgery, Department of General Surgery, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China; Guangdong Institute of Gastroenterology, Guangzhou, Guangdong, 510655, China
| | - Yaoyi Huang
- Department of Colorectal Surgery, Department of General Surgery, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Xiaolin Wang
- Department of Colorectal Surgery, Department of General Surgery, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China; Guangdong Institute of Gastroenterology, Guangzhou, Guangdong, 510655, China
| | - Huichuan Yu
- Department of Colorectal Surgery, Department of General Surgery, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China; Guangdong Institute of Gastroenterology, Guangzhou, Guangdong, 510655, China
| | - Meijin Huang
- Department of Colorectal Surgery, Department of General Surgery, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Yanxin Luo
- Department of Colorectal Surgery, Department of General Surgery, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China; Guangdong Institute of Gastroenterology, Guangzhou, Guangdong, 510655, China.
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Yang M, Zhan Y, Hou Z, Wang C, Fan W, Guo T, Li Z, Fang L, Lv S, Li S, Gu C, Ye M, Qin H, Liu Q, Cui X. VLDLR disturbs quiescence of breast cancer stem cells in a ligand-independent function. Front Oncol 2022; 12:887035. [PMID: 36568166 PMCID: PMC9767959 DOI: 10.3389/fonc.2022.887035] [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: 03/01/2022] [Accepted: 11/11/2022] [Indexed: 12/12/2022] Open
Abstract
Breast cancer stem cells are responsible for cancer initiation, progression, and drug resistance. However, effective targeting strategies against the cell subpopulation are still limited. Here, we unveil two splice variants of very-low-density lipoprotein receptor, VLDLR-I and -II, which are highly expressed in breast cancer stem cells. In breast cancer cells, VLDLR silencing suppresses sphere formation abilities in vitro and tumor growth in vivo. We find that VLDLR knockdown induces transition from self-renewal to quiescence. Surprisingly, ligand-binding activity is not involved in the cancer-promoting functions of VLDLR-I and -II. Proteomic analysis reveals that citrate cycle and ribosome biogenesis-related proteins are upregulated in VLDLR-I and -II overexpressed cells, suggesting that VLDLR dysregulation is associated with metabolic and anabolic regulation. Moreover, high expression of VLDLR in breast cancer tissues correlates with poor prognosis of patients. Collectively, these findings indicate that VLDLR may be an important therapeutic target for breast cancer treatment.
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Affiliation(s)
- Mengying Yang
- The First Affiliated Hospital, Dalian Medical University, Dalian, China,Institute of Cancer Stem Cell, Cancer Center, Dalian Medical University, Dalian, China,State Key Laboratory of Oncology in South China, Cancer Center, Sun Yat-sen University, Guangzhou, China
| | - Yajing Zhan
- Institute of Cancer Stem Cell, Cancer Center, Dalian Medical University, Dalian, China
| | - Zhijie Hou
- Institute of Cancer Stem Cell, Cancer Center, Dalian Medical University, Dalian, China
| | - Chunli Wang
- Institute of Cancer Stem Cell, Cancer Center, Dalian Medical University, Dalian, China
| | - Wenjun Fan
- Institute of Cancer Stem Cell, Cancer Center, Dalian Medical University, Dalian, China
| | - Tao Guo
- The First Affiliated Hospital, Dalian Medical University, Dalian, China
| | - Zhuoshi Li
- The First Affiliated Hospital, Dalian Medical University, Dalian, China
| | - Lei Fang
- The First Affiliated Hospital, Dalian Medical University, Dalian, China
| | - Shasha Lv
- Institute of Cancer Stem Cell, Cancer Center, Dalian Medical University, Dalian, China
| | - Sisi Li
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Chundong Gu
- The First Affiliated Hospital, Dalian Medical University, Dalian, China
| | - Mingliang Ye
- Chinese Academy of Sciences (CAS) Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Science, Dalian, China
| | - Hongqiang Qin
- Chinese Academy of Sciences (CAS) Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Science, Dalian, China,*Correspondence: Xiaonan Cui, ; Quentin Liu, ; Hongqiang Qin,
| | - Quentin Liu
- Institute of Cancer Stem Cell, Cancer Center, Dalian Medical University, Dalian, China,State Key Laboratory of Oncology in South China, Cancer Center, Sun Yat-sen University, Guangzhou, China,*Correspondence: Xiaonan Cui, ; Quentin Liu, ; Hongqiang Qin,
| | - Xiaonan Cui
- The First Affiliated Hospital, Dalian Medical University, Dalian, China,*Correspondence: Xiaonan Cui, ; Quentin Liu, ; Hongqiang Qin,
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35
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Wirth AK, Wange L, Vosberg S, Henrich KO, Rausch C, Özdemir E, Zeller CM, Richter D, Feuchtinger T, Kaller M, Hermeking H, Greif PA, Senft D, Jurinovic V, Bahrami E, Jayavelu AK, Westermann F, Mann M, Enard W, Herold T, Jeremias I. In vivo PDX CRISPR/Cas9 screens reveal mutual therapeutic targets to overcome heterogeneous acquired chemo-resistance. Leukemia 2022; 36:2863-2874. [PMID: 36333584 PMCID: PMC9712105 DOI: 10.1038/s41375-022-01726-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 08/30/2022] [Accepted: 10/10/2022] [Indexed: 11/06/2022]
Abstract
Resistance towards cancer treatment represents a major clinical obstacle, preventing cure of cancer patients. To gain mechanistic insights, we developed a model for acquired resistance to chemotherapy by treating mice carrying patient derived xenografts (PDX) of acute lymphoblastic leukemia with widely-used cytotoxic drugs for 18 consecutive weeks. In two distinct PDX samples, tumors initially responded to treatment, until stable disease and eventually tumor re-growth evolved under therapy, at highly similar kinetics between replicate mice. Notably, replicate tumors developed different mutations in TP53 and individual sets of chromosomal alterations, suggesting independent parallel clonal evolution rather than selection, driven by a combination of stochastic and deterministic processes. Transcriptome and proteome showed shared dysregulations between replicate tumors providing putative targets to overcome resistance. In vivo CRISPR/Cas9 dropout screens in PDX revealed broad dependency on BCL2, BRIP1 and COPS2. Accordingly, venetoclax re-sensitized derivative tumors towards chemotherapy, despite genomic heterogeneity, demonstrating direct translatability of the approach. Hence, despite the presence of multiple resistance-associated genomic alterations, effective rescue treatment for polychemotherapy-resistant tumors can be identified using functional testing in preclinical models.
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Affiliation(s)
- Anna-Katharina Wirth
- Research Unit Apoptosis in Hematopoietic Stem Cells, Helmholtz Zentrum München, German Research Center for Environmental Health (HMGU), Munich, Germany
| | - Lucas Wange
- Anthropology and Human Genomics, Faculty of Biology, Ludwig Maximilian University (LMU), Martinsried, Germany
| | - Sebastian Vosberg
- Clinical Division of Oncology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | - Kai-Oliver Henrich
- Division of Neuroblastoma Genomics, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Hopp Children's Cancer Center (KiTZ), Heidelberg, Germany
| | - Christian Rausch
- Department of Medicine III, and Laboratory for Leukemia Diagnostics, Department of Medicine III, University Hospital, LMU Munich, Munich, Germany
| | - Erbey Özdemir
- Research Unit Apoptosis in Hematopoietic Stem Cells, Helmholtz Zentrum München, German Research Center for Environmental Health (HMGU), Munich, Germany
| | - Christina M Zeller
- Research Unit Apoptosis in Hematopoietic Stem Cells, Helmholtz Zentrum München, German Research Center for Environmental Health (HMGU), Munich, Germany
| | - Daniel Richter
- Anthropology and Human Genomics, Faculty of Biology, Ludwig Maximilian University (LMU), Martinsried, Germany
| | - Tobias Feuchtinger
- Department of Pediatrics, Dr. von Hauner Children´s Hospital, University Hospital, LMU Munich, Munich, Germany
| | - Markus Kaller
- Experimental and Molecular Pathology, Institute of Pathology, Ludwig Maximilian University (LMU), Munich, Germany
| | - Heiko Hermeking
- Experimental and Molecular Pathology, Institute of Pathology, Ludwig Maximilian University (LMU), Munich, Germany
| | - Philipp A Greif
- Department of Medicine III, and Laboratory for Leukemia Diagnostics, Department of Medicine III, University Hospital, LMU Munich, Munich, Germany
- German Cancer Consortium (DKTK), Partnering Site Munich, Munich, Germany
| | - Daniela Senft
- Research Unit Apoptosis in Hematopoietic Stem Cells, Helmholtz Zentrum München, German Research Center for Environmental Health (HMGU), Munich, Germany
| | - Vindi Jurinovic
- Research Unit Apoptosis in Hematopoietic Stem Cells, Helmholtz Zentrum München, German Research Center for Environmental Health (HMGU), Munich, Germany
- Department of Medicine III, and Laboratory for Leukemia Diagnostics, Department of Medicine III, University Hospital, LMU Munich, Munich, Germany
| | - Ehsan Bahrami
- Research Unit Apoptosis in Hematopoietic Stem Cells, Helmholtz Zentrum München, German Research Center for Environmental Health (HMGU), Munich, Germany
| | - Ashok Kumar Jayavelu
- Department of Proteomics and Signal Transduction, Max Planck Institute of Biochemistry, Martinsried, Germany
- Clinical Cooperation Unit Pediatric Leukemia, German Cancer Research Center, Heidelberg, Germany
| | - Frank Westermann
- Division of Neuroblastoma Genomics, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Hopp Children's Cancer Center (KiTZ), Heidelberg, Germany
| | - Matthias Mann
- Department of Proteomics and Signal Transduction, Max Planck Institute of Biochemistry, Martinsried, Germany
| | - Wolfgang Enard
- Anthropology and Human Genomics, Faculty of Biology, Ludwig Maximilian University (LMU), Martinsried, Germany
| | - Tobias Herold
- Research Unit Apoptosis in Hematopoietic Stem Cells, Helmholtz Zentrum München, German Research Center for Environmental Health (HMGU), Munich, Germany
- Department of Medicine III, and Laboratory for Leukemia Diagnostics, Department of Medicine III, University Hospital, LMU Munich, Munich, Germany
| | - Irmela Jeremias
- Research Unit Apoptosis in Hematopoietic Stem Cells, Helmholtz Zentrum München, German Research Center for Environmental Health (HMGU), Munich, Germany.
- Department of Pediatrics, Dr. von Hauner Children´s Hospital, University Hospital, LMU Munich, Munich, Germany.
- German Cancer Consortium (DKTK), Partnering Site Munich, Munich, Germany.
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Bacci L, Indio V, Rambaldelli G, Bugarin C, Magliocchetti F, Del Rio A, Pollutri D, Melchionda F, Pession A, Lanciotti M, Dufour C, Gaipa G, Montanaro L, Penzo M. Mutational analysis of ribosomal proteins in a cohort of pediatric patients with T-cell acute lymphoblastic leukemia reveals Q123R, a novel mutation in RPL10. Front Genet 2022; 13:1058468. [PMID: 36482893 PMCID: PMC9723238 DOI: 10.3389/fgene.2022.1058468] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Accepted: 11/07/2022] [Indexed: 07/18/2024] Open
Abstract
T-cell acute lymphoblastic leukemia (T-ALL) is a subtype of ALL involving the malignant expansion of T-cell progenitors. It is driven by a number of different possible genetic lesions, including mutations in genes encoding for ribosomal proteins (RPs). These are structural constituents of ribosomes, ubiquitous effectors of protein synthesis. Albeit the R98S mutation in RPL10, recurring with a higher frequency among RP mutations, has been extensively studied, less is known about the contribution of mutations occurring in other RPs. Alterations affecting translational machinery may not be well tolerated by cells, and there may be a selective pressure that determines the emergence of mutations with a compensatory effect. To explore this hypothesis, we sequenced the exomes of a cohort of 37 pediatric patients affected by T-ALL, and analyzed them to explore the co-occurrence of mutations in genes involved in ribosome biogenesis (including RPs) and translational control, and in known T-ALL driver genes. We found that some of the mutations in these sub-classes of genes tend to cluster together in different patients, indicating that their co-occurrence may confer some kind of advantage to leukemia cells. In addition, our sequencing highlighted the presence of a novel mutation in RPL10, namely the Q123R, which we found associated with a defect in protein synthesis. Our findings indicate that genetic alterations involving ribosome biogenesis and translational control should be carefully considered in the context of precision medicine in T-ALL.
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Affiliation(s)
- Lorenza Bacci
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Bologna, Italy
- Center for Applied Biomedical Research (CRBA), University of Bologna, Bologna, Italy
| | - Valentina Indio
- Department of Veterinary Medical Sciences, University of Bologna, Bologna, Italy
| | - Guglielmo Rambaldelli
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Bologna, Italy
| | - Cristina Bugarin
- Tettamanti Research Center, M. Tettamanti Foundation, Pediatric Clinic, University of Milano Bicocca, Monza, Italy
| | - Franco Magliocchetti
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Bologna, Italy
- Center for Applied Biomedical Research (CRBA), University of Bologna, Bologna, Italy
| | - Alberto Del Rio
- Institute of Organic Synthesis and Photoreactivity (ISOF), National Research Council (CNR), Bologna, Italy
- Innovamol Consulting Srl, Modena, Italy
| | - Daniela Pollutri
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Bologna, Italy
- Center for Applied Biomedical Research (CRBA), University of Bologna, Bologna, Italy
| | - Fraia Melchionda
- Pediatric Oncology and Hematology Unit “Lalla Seràgnoli”, IRCCS AOU S.Orsola di Bologna, Bologna, Italy
| | - Andrea Pession
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, Bologna, Italy
| | | | - Carlo Dufour
- Hematology Unit—IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Giuseppe Gaipa
- Tettamanti Research Center, M. Tettamanti Foundation, Pediatric Clinic, University of Milano Bicocca, Monza, Italy
| | - Lorenzo Montanaro
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Bologna, Italy
- Departmental Program of Laboratory Medicine, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Marianna Penzo
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Bologna, Italy
- Center for Applied Biomedical Research (CRBA), University of Bologna, Bologna, Italy
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37
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Wray JP, Deltcheva EM, Boiers C, Richardson SЕ, Chhetri JB, Brown J, Gagrica S, Guo Y, Illendula A, Martens JHA, Stunnenberg HG, Bushweller JH, Nimmo R, Enver T. Regulome analysis in B-acute lymphoblastic leukemia exposes Core Binding Factor addiction as a therapeutic vulnerability. Nat Commun 2022; 13:7124. [PMID: 36411286 PMCID: PMC9678885 DOI: 10.1038/s41467-022-34653-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Accepted: 11/01/2022] [Indexed: 11/22/2022] Open
Abstract
The ETV6-RUNX1 onco-fusion arises in utero, initiating a clinically silent pre-leukemic state associated with the development of pediatric B-acute lymphoblastic leukemia (B-ALL). We characterize the ETV6-RUNX1 regulome by integrating chromatin immunoprecipitation- and RNA-sequencing and show that ETV6-RUNX1 functions primarily through competition for RUNX1 binding sites and transcriptional repression. In pre-leukemia, this results in ETV6-RUNX1 antagonization of cell cycle regulation by RUNX1 as evidenced by mass cytometry analysis of B-lineage cells derived from ETV6-RUNX1 knock-in human pluripotent stem cells. In frank leukemia, knockdown of RUNX1 or its co-factor CBFβ results in cell death suggesting sustained requirement for RUNX1 activity which is recapitulated by chemical perturbation using an allosteric CBFβ-inhibitor. Strikingly, we show that RUNX1 addiction extends to other genetic subtypes of pediatric B-ALL and also adult disease. Importantly, inhibition of RUNX1 activity spares normal hematopoiesis. Our results suggest that chemical intervention in the RUNX1 program may provide a therapeutic opportunity in ALL.
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Affiliation(s)
- Jason P Wray
- Department of Cancer Biology UCL Cancer Institute, UCL, London, WC1E 6DD, UK
| | - Elitza M Deltcheva
- Department of Cancer Biology UCL Cancer Institute, UCL, London, WC1E 6DD, UK
| | - Charlotta Boiers
- Department of Cancer Biology UCL Cancer Institute, UCL, London, WC1E 6DD, UK
- Division of Molecular Hematology, Lund Stem Cell Center, Lund University, 221 84, Lund, Sweden
| | - Simon Е Richardson
- Department of Cancer Biology UCL Cancer Institute, UCL, London, WC1E 6DD, UK
- Wellcome-MRC Cambridge Stem Cell Institute, University of Cambridge, Cambridge, CB2 0AW, UK
- Department of Haematology, University of Cambridge, Jeffrey Cheah Biomedical Centre, Cambridge, CB2 0AW, UK
| | | | - John Brown
- Department of Cancer Biology UCL Cancer Institute, UCL, London, WC1E 6DD, UK
| | - Sladjana Gagrica
- IMED Oncology, AstraZeneca, Cancer Research UK Cambridge Institute, Cambridge, UK
| | - Yanping Guo
- Department of Cancer Biology UCL Cancer Institute, UCL, London, WC1E 6DD, UK
| | - Anuradha Illendula
- Department of Pharmacology, University of Virginia, Charlottesville, VA, 22908, USA
| | - Joost H A Martens
- Department of Molecular Biology, Faculty of Science, Radboud Institute for Molecular Life Sciences, Radboud University, 6525, GA, Nijmegen, The Netherlands
| | - Hendrik G Stunnenberg
- Department of Molecular Biology, Faculty of Science, Radboud Institute for Molecular Life Sciences, Radboud University, 6525, GA, Nijmegen, The Netherlands
| | - John H Bushweller
- Department of Molecular Physiology and Biological Physics, University of Virginia, Charlottesville, VA, 22908, USA
| | - Rachael Nimmo
- Department of Cancer Biology UCL Cancer Institute, UCL, London, WC1E 6DD, UK
- Oxford Biomedica (UK) Ltd, Windrush Court, Transport Way, Oxford, OX4 6LT, UK
| | - Tariq Enver
- Department of Cancer Biology UCL Cancer Institute, UCL, London, WC1E 6DD, UK.
- Division of Molecular Hematology, Lund Stem Cell Center, Lund University, 221 84, Lund, Sweden.
- Molecular Medicine and Gene Therapy, Lund Stem Cell Center, Lund University, Lund, Sweden.
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Fei F, Zhang M, Tarighat SS, Joo EJ, Yang L, Heisterkamp N. Galectin-1 and Galectin-3 in B-Cell Precursor Acute Lymphoblastic Leukemia. Int J Mol Sci 2022; 23:ijms232214359. [PMID: 36430839 PMCID: PMC9694201 DOI: 10.3390/ijms232214359] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 11/09/2022] [Accepted: 11/16/2022] [Indexed: 11/22/2022] Open
Abstract
Acute lymphoblastic leukemias arising from the malignant transformation of B-cell precursors (BCP-ALLs) are protected against chemotherapy by both intrinsic factors as well as by interactions with bone marrow stromal cells. Galectin-1 and Galectin-3 are lectins with overlapping specificity for binding polyLacNAc glycans. Both are expressed by bone marrow stromal cells and by hematopoietic cells but show different patterns of expression, with Galectin-3 dynamically regulated by extrinsic factors such as chemotherapy. In a comparison of Galectin-1 x Galectin-3 double null mutant to wild-type murine BCP-ALL cells, we found reduced migration, inhibition of proliferation, and increased sensitivity to drug treatment in the double knockout cells. Plant-derived carbohydrates GM-CT-01 and GR-MD-02 were used to inhibit extracellular Galectin-1/-3 binding to BCP-ALL cells in co-culture with stromal cells. Treatment with these compounds attenuated migration of the BCP-ALL cells to stromal cells and sensitized human BCP-ALL cells to vincristine and the targeted tyrosine kinase inhibitor nilotinib. Because N-glycan sialylation catalyzed by the enzyme ST6Gal1 can regulate Galectin cell-surface binding, we also compared the ability of BCP-ALL wild-type and ST6Gal1 knockdown cells to resist vincristine treatment when they were co-cultured with Galectin-1 or Galectin-3 knockout stromal cells. Consistent with previous results, stromal Galectin-3 was important for maintaining BCP-ALL fitness during chemotherapy exposure. In contrast, stromal Galectin-1 did not significantly contribute to drug resistance, and there was no clear effect of ST6Gal1-catalysed N-glycan sialylation. Taken together, our results indicate a complicated joint contribution of Galectin-1 and Galectin-3 to BCP-ALL survival, with different roles for endogenous and stromal produced Galectins. These data indicate it will be important to efficiently block both extracellular and intracellular Galectin-1 and Galectin-3 with the goal of reducing BCP-ALL persistence in the protective bone marrow niche during chemotherapy.
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Affiliation(s)
- Fei Fei
- Section of Molecular Carcinogenesis, Department of Pediatrics, Division of Hematology/Oncology and Bone Marrow Transplantation, The Saban Research Institute of Children’s Hospital, Los Angeles, CA 90027, USA
| | - Mingfeng Zhang
- Department of Systems Biology, Beckman Research Institute City of Hope, Monrovia, CA 91016, USA
| | - Somayeh S. Tarighat
- Section of Molecular Carcinogenesis, Department of Pediatrics, Division of Hematology/Oncology and Bone Marrow Transplantation, The Saban Research Institute of Children’s Hospital, Los Angeles, CA 90027, USA
| | - Eun Ji Joo
- Department of Systems Biology, Beckman Research Institute City of Hope, Monrovia, CA 91016, USA
| | - Lu Yang
- Department of Systems Biology, Beckman Research Institute City of Hope, Monrovia, CA 91016, USA
| | - Nora Heisterkamp
- Department of Systems Biology, Beckman Research Institute City of Hope, Monrovia, CA 91016, USA
- Correspondence: ; Tel.: +1-626-218-7503
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Philipp N, Kazerani M, Nicholls A, Vick B, Wulf J, Straub T, Scheurer M, Muth A, Hänel G, Nixdorf D, Sponheimer M, Ohlmeyer M, Lacher SM, Brauchle B, Marcinek A, Rohrbacher L, Leutbecher A, Rejeski K, Weigert O, von Bergwelt-Baildon M, Theurich S, Kischel R, Jeremias I, Bücklein V, Subklewe M. T-cell exhaustion induced by continuous bispecific molecule exposure is ameliorated by treatment-free intervals. Blood 2022; 140:1104-1118. [PMID: 35878001 PMCID: PMC10652962 DOI: 10.1182/blood.2022015956] [Citation(s) in RCA: 68] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 07/07/2022] [Indexed: 11/20/2022] Open
Abstract
T-cell-recruiting bispecific molecule therapy has yielded promising results in patients with hematologic malignancies; however, resistance and subsequent relapse remains a major challenge. T-cell exhaustion induced by persistent antigen stimulation or tonic receptor signaling has been reported to compromise outcomes of T-cell-based immunotherapies. The impact of continuous exposure to bispecifics on T-cell function, however, remains poorly understood. In relapsed/refractory B-cell precursor acute lymphoblastic leukemia patients, 28-day continuous infusion with the CD19xCD3 bispecific molecule blinatumomab led to declining T-cell function. In an in vitro model system, mimicking 28-day continuous infusion with the half-life-extended CD19xCD3 bispecific AMG 562, we identified hallmark features of exhaustion arising over time. Continuous AMG 562 exposure induced progressive loss of T-cell function (day 7 vs day 28 mean specific lysis: 88.4% vs 8.6%; n = 6; P = .0003). Treatment-free intervals (TFIs), achieved by AMG 562 withdrawal, were identified as a powerful strategy for counteracting exhaustion. TFIs induced strong functional reinvigoration of T cells (continuous vs TFI-specific lysis on day 14: 34.9% vs 93.4%; n = 6; P < .0001) and transcriptional reprogramming. Furthermore, use of a TFI led to improved T-cell expansion and tumor control in vivo. Our data demonstrate the relevance of T-cell exhaustion in bispecific antibody therapy and highlight that T cells can be functionally and transcriptionally rejuvenated with TFIs. In view of the growing number of bispecific molecules being evaluated in clinical trials, our findings emphasize the need to consider and evaluate TFIs in application schedules to improve clinical outcomes.
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Affiliation(s)
- Nora Philipp
- Department of Medicine III, University Hospital, Ludwig Maximilian University (LMU) Munich, Munich, Germany
- Laboratory for Translational Cancer Immunology, LMU Gene Center, Munich, Germany
| | - Maryam Kazerani
- Department of Medicine III, University Hospital, Ludwig Maximilian University (LMU) Munich, Munich, Germany
- Laboratory for Translational Cancer Immunology, LMU Gene Center, Munich, Germany
| | - Alyssa Nicholls
- Department of Medicine III, University Hospital, Ludwig Maximilian University (LMU) Munich, Munich, Germany
- Laboratory for Translational Cancer Immunology, LMU Gene Center, Munich, Germany
| | - Binje Vick
- German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Heidelberg, Germany
- Helmholtz Zentrum München, German Research Center for Environmental Health (HMGU), Munich, Germany
| | - Jan Wulf
- Department of Medicine III, University Hospital, Ludwig Maximilian University (LMU) Munich, Munich, Germany
- Laboratory for Translational Cancer Immunology, LMU Gene Center, Munich, Germany
| | - Tobias Straub
- Bioinformatics Unit, Biomedical Center, LMU Munich, Martinsried, Germany
| | - Michaela Scheurer
- Department of Medicine III, University Hospital, Ludwig Maximilian University (LMU) Munich, Munich, Germany
- Laboratory for Translational Cancer Immunology, LMU Gene Center, Munich, Germany
| | - Amelie Muth
- Laboratory for Translational Cancer Immunology, LMU Gene Center, Munich, Germany
| | - Gerulf Hänel
- Department of Medicine III, University Hospital, Ludwig Maximilian University (LMU) Munich, Munich, Germany
- Laboratory for Translational Cancer Immunology, LMU Gene Center, Munich, Germany
| | - Daniel Nixdorf
- Department of Medicine III, University Hospital, Ludwig Maximilian University (LMU) Munich, Munich, Germany
- Laboratory for Translational Cancer Immunology, LMU Gene Center, Munich, Germany
| | - Monika Sponheimer
- Department of Medicine III, University Hospital, Ludwig Maximilian University (LMU) Munich, Munich, Germany
- Laboratory for Translational Cancer Immunology, LMU Gene Center, Munich, Germany
| | - Malte Ohlmeyer
- Department of Medicine III, University Hospital, Ludwig Maximilian University (LMU) Munich, Munich, Germany
- Laboratory for Translational Cancer Immunology, LMU Gene Center, Munich, Germany
| | - Sonja M. Lacher
- Department of Medicine III, University Hospital, Ludwig Maximilian University (LMU) Munich, Munich, Germany
- Laboratory for Translational Cancer Immunology, LMU Gene Center, Munich, Germany
| | - Bettina Brauchle
- Department of Medicine III, University Hospital, Ludwig Maximilian University (LMU) Munich, Munich, Germany
- Laboratory for Translational Cancer Immunology, LMU Gene Center, Munich, Germany
| | - Anetta Marcinek
- Department of Medicine III, University Hospital, Ludwig Maximilian University (LMU) Munich, Munich, Germany
- Laboratory for Translational Cancer Immunology, LMU Gene Center, Munich, Germany
| | - Lisa Rohrbacher
- Department of Medicine III, University Hospital, Ludwig Maximilian University (LMU) Munich, Munich, Germany
- Laboratory for Translational Cancer Immunology, LMU Gene Center, Munich, Germany
| | - Alexandra Leutbecher
- Department of Medicine III, University Hospital, Ludwig Maximilian University (LMU) Munich, Munich, Germany
- Laboratory for Translational Cancer Immunology, LMU Gene Center, Munich, Germany
| | - Kai Rejeski
- Department of Medicine III, University Hospital, Ludwig Maximilian University (LMU) Munich, Munich, Germany
- Laboratory for Translational Cancer Immunology, LMU Gene Center, Munich, Germany
| | - Oliver Weigert
- Department of Medicine III, University Hospital, Ludwig Maximilian University (LMU) Munich, Munich, Germany
- German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Heidelberg, Germany
- Experimental Leukemia and Lymphoma Research, Department of Medicine III, University Hospital, LMU Munich, Munich, Germany
| | | | - Sebastian Theurich
- Department of Medicine III, University Hospital, Ludwig Maximilian University (LMU) Munich, Munich, Germany
| | - Roman Kischel
- AMGEN Research Munich GmbH, Munich, Germany
- AMGEN Inc., Thousand Oaks, CA
| | - Irmela Jeremias
- German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Heidelberg, Germany
- Helmholtz Zentrum München, German Research Center for Environmental Health (HMGU), Munich, Germany
- Department of Pediatrics, Dr. von Hauner Children's Hospital, University Hospital, LMU, Munich, Germany
| | - Veit Bücklein
- Department of Medicine III, University Hospital, Ludwig Maximilian University (LMU) Munich, Munich, Germany
- Laboratory for Translational Cancer Immunology, LMU Gene Center, Munich, Germany
| | - Marion Subklewe
- Department of Medicine III, University Hospital, Ludwig Maximilian University (LMU) Munich, Munich, Germany
- German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Heidelberg, Germany
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Regulates CD9 Expression and Dissemination of B Lymphoblasts. Leuk Res 2022; 123:106964. [DOI: 10.1016/j.leukres.2022.106964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 09/21/2022] [Accepted: 09/26/2022] [Indexed: 11/21/2022]
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Pal D, Blair H, Parker J, Hockney S, Beckett M, Singh M, Tirtakusuma R, Nelson R, McNeill H, Angel SH, Wilson A, Nizami S, Nakjang S, Zhou P, Schwab C, Sinclair P, Russell LJ, Coxhead J, Halsey C, Allan JM, Harrison CJ, Moorman AV, Heidenreich O, Vormoor J. hiPSC-derived bone marrow milieu identifies a clinically actionable driver of niche-mediated treatment resistance in leukemia. Cell Rep Med 2022; 3:100717. [PMID: 35977468 PMCID: PMC9418860 DOI: 10.1016/j.xcrm.2022.100717] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 05/18/2022] [Accepted: 07/19/2022] [Indexed: 11/23/2022]
Abstract
Leukemia cells re-program their microenvironment to augment blast proliferation and enhance treatment resistance. Means of clinically targeting such niche-driven treatment resistance remain ambiguous. We develop human induced pluripotent stem cell (hiPSC)-engineered niches to reveal druggable cancer-niche dependencies. We reveal that mesenchymal (iMSC) and vascular niche-like (iANG) hiPSC-derived cells support ex vivo proliferation of patient-derived leukemia cells, affect dormancy, and mediate treatment resistance. iMSCs protect dormant and cycling blasts against dexamethasone, while iANGs protect only dormant blasts. Leukemia proliferation and protection from dexamethasone-induced apoptosis is dependent on cancer-niche interactions mediated by CDH2. Consequently, we test CDH2 antagonist ADH-1 (previously in Phase I/II trials for solid tumors) in a very aggressive patient-derived xenograft leukemia mouse model. ADH-1 shows high in vivo efficacy; ADH-1/dexamethasone combination is superior to dexamethasone alone, with no ADH-1-conferred additional toxicity. These findings provide a proof-of-concept starting point to develop improved, potentially safer therapeutics targeting niche-mediated cancer dependencies in blood cancers.
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Affiliation(s)
- Deepali Pal
- Wolfson Childhood Cancer Research Centre, Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Herschel Building Level 6, Brewery Lane, Newcastle upon Tyne, NE1 7RU UK; Department of Applied Sciences, Northumbria University, Newcastle upon Tyne, NE1 8ST UK.
| | - Helen Blair
- Wolfson Childhood Cancer Research Centre, Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Herschel Building Level 6, Brewery Lane, Newcastle upon Tyne, NE1 7RU UK
| | - Jessica Parker
- Department of Applied Sciences, Northumbria University, Newcastle upon Tyne, NE1 8ST UK
| | - Sean Hockney
- Department of Applied Sciences, Northumbria University, Newcastle upon Tyne, NE1 8ST UK
| | - Melanie Beckett
- Wolfson Childhood Cancer Research Centre, Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Herschel Building Level 6, Brewery Lane, Newcastle upon Tyne, NE1 7RU UK
| | - Mankaran Singh
- Wolfson Childhood Cancer Research Centre, Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Herschel Building Level 6, Brewery Lane, Newcastle upon Tyne, NE1 7RU UK
| | - Ricky Tirtakusuma
- Princess Maxima Centrum for Pediatric Oncology, Heidelberglaan 25, 3584 CS Utrecht, The Netherlands
| | - Ryan Nelson
- Wolfson Childhood Cancer Research Centre, Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Herschel Building Level 6, Brewery Lane, Newcastle upon Tyne, NE1 7RU UK
| | - Hesta McNeill
- Wolfson Childhood Cancer Research Centre, Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Herschel Building Level 6, Brewery Lane, Newcastle upon Tyne, NE1 7RU UK
| | - Sharon H Angel
- Wolfson Childhood Cancer Research Centre, Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Herschel Building Level 6, Brewery Lane, Newcastle upon Tyne, NE1 7RU UK
| | - Aaron Wilson
- Wolfson Childhood Cancer Research Centre, Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Herschel Building Level 6, Brewery Lane, Newcastle upon Tyne, NE1 7RU UK
| | - Salem Nizami
- Wolfson Childhood Cancer Research Centre, Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Herschel Building Level 6, Brewery Lane, Newcastle upon Tyne, NE1 7RU UK
| | - Sirintra Nakjang
- Bioinformatics Support Unit, William Leech Building, The Medical School, Framlington Place, Newcastle upon Tyne NE2 4HH, UK
| | - Peixun Zhou
- Wolfson Childhood Cancer Research Centre, Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Herschel Building Level 6, Brewery Lane, Newcastle upon Tyne, NE1 7RU UK
| | - Claire Schwab
- Wolfson Childhood Cancer Research Centre, Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Herschel Building Level 6, Brewery Lane, Newcastle upon Tyne, NE1 7RU UK
| | - Paul Sinclair
- Wolfson Childhood Cancer Research Centre, Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Herschel Building Level 6, Brewery Lane, Newcastle upon Tyne, NE1 7RU UK
| | - Lisa J Russell
- Wolfson Childhood Cancer Research Centre, Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Herschel Building Level 6, Brewery Lane, Newcastle upon Tyne, NE1 7RU UK
| | - Jonathan Coxhead
- Genomics Core Facility, Newcastle University, International Centre for Life, Central Parkway, Newcastle upon Tyne NE1 3BZ, UK
| | - Christina Halsey
- Wolfson Wohl Cancer Research Centre, Institute of Cancer Sciences, College of Medical, Veterinary, and Life Sciences, University of Glasgow, Garscube Estate, Switchback Road, Bearsden, Glasgow, G61 1QH UK
| | - James M Allan
- Wolfson Childhood Cancer Research Centre, Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Herschel Building Level 6, Brewery Lane, Newcastle upon Tyne, NE1 7RU UK
| | - Christine J Harrison
- Wolfson Childhood Cancer Research Centre, Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Herschel Building Level 6, Brewery Lane, Newcastle upon Tyne, NE1 7RU UK
| | - Anthony V Moorman
- Wolfson Childhood Cancer Research Centre, Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Herschel Building Level 6, Brewery Lane, Newcastle upon Tyne, NE1 7RU UK
| | - Olaf Heidenreich
- Wolfson Childhood Cancer Research Centre, Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Herschel Building Level 6, Brewery Lane, Newcastle upon Tyne, NE1 7RU UK; Princess Maxima Centrum for Pediatric Oncology, Heidelberglaan 25, 3584 CS Utrecht, The Netherlands
| | - Josef Vormoor
- Wolfson Childhood Cancer Research Centre, Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Herschel Building Level 6, Brewery Lane, Newcastle upon Tyne, NE1 7RU UK; Princess Maxima Centrum for Pediatric Oncology, Heidelberglaan 25, 3584 CS Utrecht, The Netherlands; University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands
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Geisslinger F, Müller M, Chao YK, Grimm C, Vollmar AM, Bartel K. Targeting TPC2 sensitizes acute lymphoblastic leukemia cells to chemotherapeutics by impairing lysosomal function. Cell Death Dis 2022; 13:668. [PMID: 35915060 PMCID: PMC9343397 DOI: 10.1038/s41419-022-05105-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 07/12/2022] [Accepted: 07/14/2022] [Indexed: 02/08/2023]
Abstract
Despite novel therapy regimens and extensive research, chemoresistance remains a challenge in leukemia treatment. Of note, recent studies revealed lysosomes as regulators of cell death and chemotherapy response, suggesting this organelle is a novel target for chemosensitization. Interestingly, drug-resistant VCR-R CEM acute lymphoblastic leukemia (ALL) cells have an increased expression of the lysosomal cation channel Two-Pore-Channel 2 (TPC2) compared to drug-naïve CCRF-CEM ALL cells. Concurrently, knockout (KO) of TPC2 sensitized drug-resistant VCR-R CEM cells to treatment with cytostatics. The chemosensitizing effect could be confirmed in several cell lines as well as in heterogeneous, patient-derived xenograft ALL cells, using the pharmacological TPC2 inhibitors naringenin and tetrandrine. We reveal that a dual mechanism of action mediates chemo sensitization by loss of lysosomal TPC2 function. First, because of increased lysosomal pH, lysosomal drug sequestration is impaired, leading to an increased nuclear accumulation of doxorubicin and hence increased DNA damage. Second, lysosomes of TPC2 KO cells are more prone to lysosomal damage as a result of morphological changes and dysregulation of proteins influencing lysosomal stability. This leads to induction of lysosomal cell death (LCD), evident by increased cathepsin B levels in the cytosol, truncation of pro-apoptotic Bid, as well as the reversibility of cell death by co-treatment with the cathepsin B inhibitor CA-074Me in TPC2 KO cells. In summary, this study establishes TPC2 as a novel, promising, druggable target for combination therapy approaches in ALL to overcome chemoresistance, which could be exploited in the clinic in the future. Additionally, it unravels LCD signaling as an important death-inducing component upon loss of TPC2 function.
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Affiliation(s)
- Franz Geisslinger
- grid.5252.00000 0004 1936 973XLudwig-Maximilians University, Departement of Pharmacy, Pharmaceutical Biology, Munich, Germany
| | - Martin Müller
- grid.5252.00000 0004 1936 973XLudwig-Maximilians University, Departement of Pharmacy, Pharmaceutical Biology, Munich, Germany
| | - Yu-Kai Chao
- grid.5252.00000 0004 1936 973XLudwig-Maximilians University, Walther-Straub-Institute of Pharmacology and Toxicology, Munich, Germany
| | - Christian Grimm
- grid.5252.00000 0004 1936 973XLudwig-Maximilians University, Walther-Straub-Institute of Pharmacology and Toxicology, Munich, Germany
| | - Angelika M. Vollmar
- grid.5252.00000 0004 1936 973XLudwig-Maximilians University, Departement of Pharmacy, Pharmaceutical Biology, Munich, Germany
| | - Karin Bartel
- grid.5252.00000 0004 1936 973XLudwig-Maximilians University, Departement of Pharmacy, Pharmaceutical Biology, Munich, Germany
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Bašová P, Paszeková H, Minařík L, Dluhošová M, Burda P, Stopka T. Combined Approach to Leukemic Differentiation Using Transcription Factor PU.1-Enhancing Agents. Int J Mol Sci 2022; 23:ijms23126729. [PMID: 35743167 PMCID: PMC9224232 DOI: 10.3390/ijms23126729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 06/13/2022] [Accepted: 06/14/2022] [Indexed: 02/04/2023] Open
Abstract
The transcription factor PU.1 (Purine-rich DNA binding, SPI1) is a key regulator of hematopoiesis, whose level is influenced by transcription through its enhancers and its post-transcriptional degradation via microRNA-155 (miR-155). The degree of transcriptional regulation of the PU.1 gene is influenced by repression via DNA methylation, as well as other epigenetic factors, such as those related to progenitor maturation status, which is modulated by the transcription factor Myeloblastosis oncogene (MYB). In this work, we show that combinatorial treatment of acute myeloid leukemia (AML) cells with DNA methylation inhibitors (5-Azacytidine), MYB inhibitors (Celastrol), and anti-miR-155 (AM155) ideally leads to overproduction of PU.1. We also show that PU.1 reactivation can be compensated by miR-155 and that only a combined approach leads to sustained PU.1 derepression, even at the protein level. The triple effect on increasing PU.1 levels in myeloblasts stimulates the myeloid transcriptional program while inhibiting cell survival and proliferation, leading to partial leukemic differentiation.
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Piktel D, Nair RR, Rellick SL, Geldenhuys WJ, Martin KH, Craig MD, Gibson LF. Pitavastatin Is Anti-Leukemic in a Bone Marrow Microenvironment Model of B-Lineage Acute Lymphoblastic Leukemia. Cancers (Basel) 2022; 14:cancers14112681. [PMID: 35681662 PMCID: PMC9179467 DOI: 10.3390/cancers14112681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 05/26/2022] [Indexed: 11/16/2022] Open
Abstract
Simple Summary Chemoresistance after chemotherapy is a negative prognostic indicator for B-cell acute lymphoblastic leukemia (ALL), necessitating the search for novel therapies. By growing ALL cells together with bone marrow stromal cells, we developed a chemoresistant ALL model. Using this model, we found that the lipid lowering drug pitavastatin had antileukemic activity in this chemoresistant co-culture model. Our data suggests that pitavastatin may be a novel treatment option for repurposing in chemoresistant, relapse ALL. Abstract The lack of complete therapeutic success in the treatment of B-cell acute lymphoblastic leukemia (ALL) has been attributed, in part, to a subset of cells within the bone marrow microenvironment that are drug resistant. Recently, the cholesterol synthesis inhibitor, pitavastatin (PIT), was shown to be active in acute myeloid leukemia, prompting us to evaluate it in our in vitro co-culture model, which supports a chemo-resistant ALL population. We used phospho-protein profiling to evaluate the use of lipid metabolic active compounds in these chemo-resistant cells, due to the up-regulation of multiple active survival signals. In a co-culture with stromal cells, a shift towards anabolic processes occurred, which was further confirmed by assays showing increased lipid content. The treatment of REH leukemia cells with pitavastatin in the co-culture model resulted in significantly higher leukemic cell death than exposure to the standard-of-care chemotherapeutic agent, cytarabine (Ara-C). Our data demonstrates the use of pitavastatin as a possible alternative treatment strategy to improve patient outcomes in chemo-resistant, relapsed ALL.
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Affiliation(s)
- Debbie Piktel
- Robert C. Byrd Health Sciences Center, West Virginia University Cancer Institute, West Virginia University, Morgantown, WV 26506, USA; (D.P.); (R.R.N.); (S.L.R.); (K.H.M.)
| | - Rajesh R. Nair
- Robert C. Byrd Health Sciences Center, West Virginia University Cancer Institute, West Virginia University, Morgantown, WV 26506, USA; (D.P.); (R.R.N.); (S.L.R.); (K.H.M.)
| | - Stephanie L. Rellick
- Robert C. Byrd Health Sciences Center, West Virginia University Cancer Institute, West Virginia University, Morgantown, WV 26506, USA; (D.P.); (R.R.N.); (S.L.R.); (K.H.M.)
| | - Werner J. Geldenhuys
- Department of Pharmaceutical Sciences, West Virginia University School of Pharmacy, Morgantown, WV 26506, USA;
| | - Karen H. Martin
- Robert C. Byrd Health Sciences Center, West Virginia University Cancer Institute, West Virginia University, Morgantown, WV 26506, USA; (D.P.); (R.R.N.); (S.L.R.); (K.H.M.)
- Department of Microbiology, Immunology and Cell Biology, West Virginia University School of Medicine, Morgantown, WV 26506, USA
| | | | - Laura F. Gibson
- Robert C. Byrd Health Sciences Center, West Virginia University Cancer Institute, West Virginia University, Morgantown, WV 26506, USA; (D.P.); (R.R.N.); (S.L.R.); (K.H.M.)
- Department of Microbiology, Immunology and Cell Biology, West Virginia University School of Medicine, Morgantown, WV 26506, USA
- Correspondence: ; Tel.: +1-304-293-7206
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Machine learning phenomics (MLP) combining deep learning with time-lapse-microscopy for monitoring colorectal adenocarcinoma cells gene expression and drug-response. Sci Rep 2022; 12:8545. [PMID: 35595808 PMCID: PMC9123013 DOI: 10.1038/s41598-022-12364-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 01/31/2022] [Indexed: 11/25/2022] Open
Abstract
High-throughput phenotyping is becoming increasingly available thanks to analytical and bioinformatics approaches that enable the use of very high-dimensional data and to the availability of dynamic models that link phenomena across levels: from genes to cells, from cells to organs, and through the whole organism. The combination of phenomics, deep learning, and machine learning represents a strong potential for the phenotypical investigation, leading the way to a more embracing approach, called machine learning phenomics (MLP). In particular, in this work we present a novel MLP platform for phenomics investigation of cancer-cells response to therapy, exploiting and combining the potential of time-lapse microscopy for cell behavior data acquisition and robust deep learning software architectures for the latent phenotypes extraction. A two-step proof of concepts is designed. First, we demonstrate a strict correlation among gene expression and cell phenotype with the aim to identify new biomarkers and targets for tailored therapy in human colorectal cancer onset and progression. Experiments were conducted on human colorectal adenocarcinoma cells (DLD-1) and their profile was compared with an isogenic line in which the expression of LOX-1 transcript was knocked down. In addition, we also evaluate the phenotypic impact of the administration of different doses of an antineoplastic drug over DLD-1 cells. Under the omics paradigm, proteomics results are used to confirm the findings of the experiments.
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Kutay M, Gozuacik D, Çakır T. Cancer Recurrence and Omics: Metabolic Signatures of Cancer Dormancy Revealed by Transcriptome Mapping of Genome-Scale Networks. OMICS : A JOURNAL OF INTEGRATIVE BIOLOGY 2022; 26:270-279. [PMID: 35394340 DOI: 10.1089/omi.2022.0008] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
A major problem in medicine and oncology is cancer recurrence through the activation of dormant cancer cells. A system scale examination of metabolic dysregulations associated with the cancer dormancy offers promise for the discovery of novel molecular targets for cancer precision medicine, and importantly, for the prevention of cancer recurrence. In this study, we mapped the total mRNA sequencing-based transcriptomic data from dormant cancer cell lines and nondormant cancer controls onto a human genome-scale metabolic network by using a graph-based approach, and two mass balance-based approaches with one based on reaction activity/inactivity and the other one on flux changes. The gene expression datasets were accessed from Gene Expression Omnibus (GSE83142 and GSE114012). This analysis included two diverse cancer types, a liquid and a solid cancer, namely, acute lymphoblastic leukemia and colorectal cancer. For the dormant cancer state, we observed changes in major adenosine triphosphate-producing pathways, including the citric acid cycle, oxidative phosphorylation, and glycolysis/gluconeogenesis, indicating a reprogramming in the metabolism of dormant cells away from Warburg-based energy metabolism. All three computational approaches unanimously predicted that folate metabolism, pyruvate metabolism, and glutamate metabolism, as well as valine/leucine/isoleucine metabolism are likely dysregulated in cancer dormancy. These findings provide new insights and molecular pathway targets on cancer dormancy, comprehensively catalog dormancy-associated metabolic pathways, and inform future research aimed at prevention of cancer recurrence in particular.
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Affiliation(s)
- Merve Kutay
- Department of Bioengineering, Gebze Technical University, Kocaeli, Turkey
| | - Devrim Gozuacik
- Koç University Research Center for Translational Medicine (KUTTAM) and Koc, University School of Medicine, Istanbul, Turkey
- Sabancı University Nanotechnology Research and Application Center (SUNUM), Istanbul, Turkey
| | - Tunahan Çakır
- Department of Bioengineering, Gebze Technical University, Kocaeli, Turkey
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Liao S, Wang K, Zhang L, Shi G, Wang Z, Chen Z, Zhu P, He Q. PRC1 and RACGAP1 are Diagnostic Biomarkers of Early HCC and PRC1 Drives Self-Renewal of Liver Cancer Stem Cells. Front Cell Dev Biol 2022; 10:864051. [PMID: 35445033 PMCID: PMC9014962 DOI: 10.3389/fcell.2022.864051] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 03/03/2022] [Indexed: 11/24/2022] Open
Abstract
Hepatocellular carcinoma (HCC) is the fourth leading cause of cancer-related deaths across the world. Due to the lack of reliable markers for early HCC detection, most HCC patients are diagnosed in middle/late stages. Liver cancer stem cells (CSCs), which are drivers of liver tumorigenesis, usually emerge in the early HCC stage and are also termed as liver tumor initiation cells (TIC). Liver CSCs contribute to initiation, propagation, and metastasis of HCC and also play a key role in tumor therapy. Taking advantage of online-available data sets, bioinformatic analyses, and experimental confirmation, here we have screened out PRC1 and RACGAP1 as reliable markers for early HCC detection. PRC1 or RACGAP1 knockdown dramatically inhibited the proliferation, migration, and invasion capacities of HCC cells, conferring PRC1 and RACGAP1 as predominant modulators for HCC propagation and metastasis. Moreover, the sphere formation capacity of HCC cells was impaired after PRC1 knockdown, revealing the function of PRC1 as a modulator for liver CSC self-renewal. Furthermore, the inhibitor of PRC1 had same phenotypes as PRC1 knockdown in HCC cells. Altogether, PRC1 and RACGAP1 are identified both as prognosis markers for early HCC detection and therapeutic targets for liver cancer and liver CSCs, adding additional layers for the early prognosis and therapy of HCC.
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Affiliation(s)
- Shixin Liao
- School of Life Sciences, Zhengzhou University, Zhengzhou, China
| | - Kaili Wang
- School of Life Sciences, Zhengzhou University, Zhengzhou, China
| | - Lulu Zhang
- School of Life Sciences, Zhengzhou University, Zhengzhou, China
| | - Gaoli Shi
- School of Life Sciences, Zhengzhou University, Zhengzhou, China
| | - Zhiwei Wang
- School of Life Sciences, Zhengzhou University, Zhengzhou, China
| | - Zhenzhen Chen
- School of Life Sciences, Zhengzhou University, Zhengzhou, China
| | - Pingping Zhu
- School of Life Sciences, Zhengzhou University, Zhengzhou, China
| | - Qiankun He
- School of Life Sciences, Zhengzhou University, Zhengzhou, China
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Tan Z, Kan C, Sun M, Yang F, Wong M, Wang S, Zheng H. Mapping Breast Cancer Microenvironment Through Single-Cell Omics. Front Immunol 2022; 13:868813. [PMID: 35514975 PMCID: PMC9065352 DOI: 10.3389/fimmu.2022.868813] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 03/11/2022] [Indexed: 12/15/2022] Open
Abstract
Breast cancer development and progression rely not only on the proliferation of neoplastic cells but also on the significant heterogeneity in the surrounding tumor microenvironment. Its unique microenvironment, including tumor-infiltrating lymphocytes, complex myeloid cells, lipid-associated macrophages, cancer-associated fibroblasts (CAFs), and other molecules that promote the growth and migration of tumor cells, has been shown to play a crucial role in the occurrence, growth, and metastasis of breast cancer. However, a detailed understanding of the complex microenvironment in breast cancer remains largely unknown. The unique pattern of breast cancer microenvironment cells has been poorly studied, and neither has the supportive role of these cells in pathogenesis been assessed. Single-cell multiomics biotechnology, especially single-cell RNA sequencing (scRNA-seq) reveals single-cell expression levels at much higher resolution, finely dissecting the molecular characteristics of tumor microenvironment. Here, we review the recent literature on breast cancer microenvironment, focusing on scRNA-seq studies and analyzing heterogeneity and spatial location of different cells, including T and B cells, macrophages/monocytes, neutrophils, and stromal cells. This review aims to provide a more comprehensive perception of breast cancer microenvironment and annotation for their clinical classification, diagnosis, and treatment. Furthermore, we discuss the impact of novel single-cell omics technologies, such as abundant omics exploration strategies, multiomics conjoint analysis mode, and deep learning network architecture, on the future research of breast cancer immune microenvironment.
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Affiliation(s)
- Zhenya Tan
- Department of Pathophysiology, Anhui Medical University, Hefei, China
| | - Chen Kan
- Department of Pathophysiology, Anhui Medical University, Hefei, China
| | - Minqiong Sun
- Department of Pathophysiology, Anhui Medical University, Hefei, China
| | - Fan Yang
- Department of Pathophysiology, Anhui Medical University, Hefei, China
| | - Mandy Wong
- Department of Biological Sciences, Georgia Institute of Technology, Atlanta, GA, United States
| | - Siying Wang
- Department of Pathophysiology, Anhui Medical University, Hefei, China
- *Correspondence: Hong Zheng, ; Siying Wang,
| | - Hong Zheng
- Department of Pathophysiology, Anhui Medical University, Hefei, China
- *Correspondence: Hong Zheng, ; Siying Wang,
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Sellin M, Mack R, Rhodes MC, Zhang L, Berg S, Joshi K, Liu S, Wei W, S. J. PB, Larsen P, Taylor RE, Zhang J. Molecular mechanisms by which splice modulator GEX1A inhibits leukaemia development and progression. Br J Cancer 2022; 127:223-236. [PMID: 35422078 PMCID: PMC9296642 DOI: 10.1038/s41416-022-01796-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 02/18/2022] [Accepted: 03/17/2022] [Indexed: 11/09/2022] Open
Abstract
INTRODUCTION Splice modulators have been assessed clinically in treating haematologic malignancies exhibiting splice factor mutations and acute myeloid leukaemia. However, the mechanisms by which such modulators repress leukaemia remain to be elucidated. OBJECTIVES The primary goal of this assessment was to assess the molecular mechanism by which the natural splice modulator GEX1A kills leukaemic cells in vitro and within in vivo mouse models. METHODS Using human leukaemic cell lines, we assessed the overall sensitivity these cells have to GEX1A via EC50 analysis. We subsequently analysed its effects using in vivo xenograft mouse models and examined whether cell sensitivities were correlated to genetic characteristics or protein expression levels. We also utilised RT-PCR and RNAseq analyses to determine splice change and RNA expression level differences between sensitive and resistant leukaemic cell lines. RESULTS We found that, in vitro, GEX1A induced an MCL-1 isoform shift to pro-apoptotic MCL-1S in all leukaemic cell types, though sensitivity to GEX1A-induced apoptosis was negatively associated with BCL-xL expression. In BCL-2-expressing leukaemic cells, GEX1A induced BCL-2-dependent apoptosis by converting pro-survival BCL-2 into a cell killer. Thus, GEX1A + selective BCL-xL inhibition induced synergism in killing leukaemic cells, while GEX1A + BCL-2 inhibition showed antagonism in BCL-2-expressing leukaemic cells. In addition, GEX1A sensitised FLT3-ITD+ leukaemic cells to apoptosis by inducing aberrant splicing and repressing the expression of FLT3-ITD. Consistently, in in vivo xenografts, GEX1A killed the bulk of leukaemic cells via apoptosis when combined with BCL-xL inhibition. Furthermore, GEX1A repressed leukaemia development by targeting leukaemia stem cells through inhibiting FASTK mitochondrial isoform expression across sensitive and non-sensitive leukaemia types. CONCLUSION Our study suggests that GEX1A is a potent anti-leukaemic agent in combination with BCL-xL inhibitors, which targets leukaemic blasts and leukaemia stem cells through distinct mechanisms.
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A Novel Anti-CD73 Antibody That Selectively Inhibits Membrane CD73 Shows Antitumor Activity and Induces Tumor Immune Escape. Biomedicines 2022; 10:biomedicines10040825. [PMID: 35453575 PMCID: PMC9031174 DOI: 10.3390/biomedicines10040825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/23/2022] [Accepted: 03/30/2022] [Indexed: 02/04/2023] Open
Abstract
CD73 catalyzes the conversion of ATP to adenosine, which is involved in various physiological and pathological processes, including tumor immune escape. Because CD73 expression and activity are particularly high on cancer cells and contribute to the immunosuppressive properties of the tumor environment, it is considered an attractive target molecule for specific cancer therapies. In line, several studies demonstrated that CD73 inhibition has a significant antitumor effect. However, complete blocking of CD73 activity can evoke autoimmune phenomena and adverse side effects. We developed a CD73-specific antibody, 22E6, that specifically inhibits the enzymatic activity of membrane-tethered CD73 present in high concentrations on cancer cells and cancer cell-derived extracellular vesicles but has no inhibitory effect on soluble CD73. Inhibition of CD73 on tumor cells with 22E6 resulted in multiple effects on tumor cells in vitro, including increased apoptosis and interference with chemoresistance. Intriguingly, in a xenograft mouse model of acute lymphocytic leukemia (ALL), 22E6 treatment resulted in an initial tumor growth delay in some animals, followed by a complete loss of CD73 expression on ALL cells in all 22E6 treated animals, indicating tumor immune escape. Taken together, 22E6 shows great potential for cancer therapy, favorably in combination with other drugs.
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