1
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Nakamura A, Masuya M, Shinmei M, Tawara I, Nosaka T, Ono R. Bahcc1 is critical for the aberrant epigenetic program in a mouse model of MLL-ENL-mediated leukemia. Blood Adv 2024; 8:2193-2206. [PMID: 38452334 PMCID: PMC11061229 DOI: 10.1182/bloodadvances.2023011320] [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: 07/27/2023] [Revised: 02/16/2024] [Accepted: 03/06/2024] [Indexed: 03/09/2024] Open
Abstract
ABSTRACT In leukemogenesis, genotoxic stress in hematopoietic stem and progenitor cells (HSPCs) drives individual context-dependent programs of malignant transformation. In light of the various differentiation stages of HSPCs based on a recently revised definition using CD150/CD48, our analyses showed that a subpopulation of long-term repopulating HSCs was most susceptible to MLL-ENL-mediated transformation. An analysis of the molecular mechanism identified Bromo-adjacent homology domain and coiled-coil containing 1 (Bahcc1), which encodes a reader molecule of trimethylated histone H3 lysine 27 (H3K27me3), as a candidate gene involved in distinct susceptibility to leukemic transformation. Interestingly, Bahcc1 was previously reported to be highly expressed in acute myeloid leukemia (AML) with an unfavorable prognosis, including some cases of MLL-rearranged AML. We found that MLL-ENL upregulated Bahcc1 through binding to its promoter, and that Bahcc1 was involved in MLL-ENL-mediated immortalization at least partly through repression of H3K27me3-marked Cdkn1c. Analyses using bone marrow transplantation in mice showed that depletion of Bahcc1 suppressed the leukemogenic activity of MLL-ENL. In a public database, high BAHCC1 expression was found to be associated with a poor prognosis in pediatric AML, in which BAHCC1 expression was significantly lower in MLL-AF9-AML than in other MLL-fusion-AML. These findings shed light on the distinct immortalization potential of HSPCs and suggest a novel MLL-fusion-Bahcc1 axis, which may lead to development of molecular targeted therapy against MLL-fusion-mediated leukemia.
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MESH Headings
- Animals
- Mice
- Epigenesis, Genetic
- Myeloid-Lymphoid Leukemia Protein/genetics
- Myeloid-Lymphoid Leukemia Protein/metabolism
- Humans
- Disease Models, Animal
- Oncogene Proteins, Fusion/genetics
- Oncogene Proteins, Fusion/metabolism
- Hematopoietic Stem Cells/metabolism
- Gene Expression Regulation, Leukemic
- Cell Transformation, Neoplastic/genetics
- Cell Transformation, Neoplastic/metabolism
- Leukemia, Myeloid, Acute/genetics
- Leukemia, Myeloid, Acute/metabolism
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Affiliation(s)
- Akihide Nakamura
- Department of Microbiology and Molecular Genetics, Mie University Graduate School of Medicine, Tsu, Japan
- Department of Hematology and Oncology, Mie University Graduate School of Medicine, Tsu, Japan
| | - Masahiro Masuya
- Department of Hematology and Oncology, Mie University Graduate School of Medicine, Tsu, Japan
| | - Makoto Shinmei
- Department of Microbiology and Molecular Genetics, Mie University Graduate School of Medicine, Tsu, Japan
| | - Isao Tawara
- Department of Hematology and Oncology, Mie University Graduate School of Medicine, Tsu, Japan
| | - Tetsuya Nosaka
- Department of Microbiology and Molecular Genetics, Mie University Graduate School of Medicine, Tsu, Japan
| | - Ryoichi Ono
- Department of Microbiology and Molecular Genetics, Mie University Graduate School of Medicine, Tsu, Japan
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2
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Miller AB, Rodriguez FH, Langenbucher A, Lin L, Bray C, Duquette S, Zhang Y, Goulet D, Lane AA, Weinstock DM, Hemann MT, Manalis SR. Leukemia circulation kinetics revealed through blood exchange method. Commun Biol 2024; 7:483. [PMID: 38643279 PMCID: PMC11032325 DOI: 10.1038/s42003-024-06181-x] [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: 09/13/2023] [Accepted: 04/10/2024] [Indexed: 04/22/2024] Open
Abstract
Leukemias and their bone marrow microenvironments undergo dynamic changes over the course of disease. However, little is known about the circulation kinetics of leukemia cells, nor the impact of specific factors on the clearance of circulating leukemia cells (CLCs) from the blood. To gain a basic understanding of CLC dynamics over the course of disease progression and therapeutic response, we apply a blood exchange method to mouse models of acute leukemia. We find that CLCs circulate in the blood for 1-2 orders of magnitude longer than solid tumor circulating tumor cells. We further observe that: (i) leukemia presence in the marrow can limit the clearance of CLCs in a model of acute lymphocytic leukemia (ALL), and (ii) CLCs in a model of relapsed acute myeloid leukemia (AML) can clear faster than their untreated counterparts. Our approach can also directly quantify the impact of microenvironmental factors on CLC clearance properties. For example, data from two leukemia models suggest that E-selectin, a vascular adhesion molecule, alters CLC clearance. Our research highlights that clearance rates of CLCs can vary in response to tumor and treatment status and provides a strategy for identifying basic processes and factors that govern the kinetics of circulating cells.
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Affiliation(s)
- Alex B Miller
- Harvard-MIT Department of Health Sciences and Technology, Institute for Medical Engineering and Science, Massachusetts Institute of Technology, Boston, MA, USA
- David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Felicia H Rodriguez
- David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Adam Langenbucher
- David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA
- Department of Computation and Systems Biology, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Lin Lin
- David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Christina Bray
- David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Sarah Duquette
- David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Ye Zhang
- David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Dan Goulet
- David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Andrew A Lane
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - David M Weinstock
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
- Merck and Co., Rahway, NJ, USA
| | - Michael T Hemann
- David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA.
- Department of Biology, Massachusetts Institute of Technology, Cambridge, MA, USA.
| | - Scott R Manalis
- David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA.
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA.
- Broad Institute of MIT and Harvard, Cambridge, MA, USA.
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA.
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3
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El-Tanani M, Nsairat H, Matalka II, Lee YF, Rizzo M, Aljabali AA, Mishra V, Mishra Y, Hromić-Jahjefendić A, Tambuwala MM. The impact of the BCR-ABL oncogene in the pathology and treatment of chronic myeloid leukemia. Pathol Res Pract 2024; 254:155161. [PMID: 38280275 DOI: 10.1016/j.prp.2024.155161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 01/16/2024] [Accepted: 01/18/2024] [Indexed: 01/29/2024]
Abstract
Chronic Myeloid Leukemia (CML) is characterized by chromosomal aberrations involving the fusion of the BCR and ABL genes on chromosome 22, resulting from a reciprocal translocation between chromosomes 9 and 22. This fusion gives rise to the oncogenic BCR-ABL, an aberrant tyrosine kinase identified as Abl protein. The Abl protein intricately regulates the cell cycle by phosphorylating protein tyrosine residues through diverse signaling pathways. In CML, the BCR-ABL fusion protein disrupts the first exon of Abl, leading to sustained activation of tyrosine kinase and resistance to deactivation mechanisms. Pharmacological interventions, such as imatinib, effectively target BCR-ABL's tyrosine kinase activity by binding near the active site, disrupting ATP binding, and inhibiting downstream protein phosphorylation. Nevertheless, the emergence of resistance, often attributed to cap structure mutations, poses a challenge to imatinib efficacy. Current research endeavours are directed towards overcoming resistance and investigating innovative therapeutic strategies. This article offers a comprehensive analysis of the structural attributes of BCR-ABL, emphasizing its pivotal role as a biomarker and therapeutic target in CML. It underscores the imperative for ongoing research to refine treatment modalities and enhance overall outcomes in managing CML.
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MESH Headings
- Humans
- Imatinib Mesylate/therapeutic use
- Imatinib Mesylate/pharmacology
- Genes, abl
- Pyrimidines/therapeutic use
- Piperazines/therapeutic use
- Benzamides/pharmacology
- Benzamides/therapeutic use
- Drug Resistance, Neoplasm/genetics
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/drug therapy
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/genetics
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/metabolism
- Fusion Proteins, bcr-abl/genetics
- Fusion Proteins, bcr-abl/metabolism
- Fusion Proteins, bcr-abl/pharmacology
- Protein Kinase Inhibitors/therapeutic use
- Protein Kinase Inhibitors/pharmacology
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Affiliation(s)
- Mohamed El-Tanani
- College of Pharmacy, Ras Al Khaimah Medical and Health Sciences University, Ras Al Khaimah, United Arab Emirates; Pharmacological and Diagnostic Research Center, Faculty of Pharmacy, Al-Ahliyya Amman University, Amman 19328, Jordan.
| | - Hamdi Nsairat
- Pharmacological and Diagnostic Research Center, Faculty of Pharmacy, Al-Ahliyya Amman University, Amman 19328, Jordan
| | - Ismail I Matalka
- Ras Al Khaimah Medical and Health Sciences University, United Arab Emirates; Department of Pathology and Microbiology, Faculty of Medicine, Jordan University of Science and Technology, Irbid 22110, Jordan
| | - Yin Fai Lee
- Neuroscience, Psychology & Behaviour, College of Life Sciences, University of Leicester, Leicester LE1 9HN, UK; School of Life Sciences, Faculty of Science and Engineering, Anglia Ruskin University, Cambridge CB1 1PT, UK
| | - Manfredi Rizzo
- Department of Health Promotion, Mother and Childcare, Internal Medicine and Medical Specialties, School of Medicine, University of Palermo, Palermo, Italy
| | - Alaa A Aljabali
- Department of Pharmaceutics and Pharmaceutical Technology, Yarmouk University, Irbid 21163, Jordan
| | - Vijay Mishra
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara 144411, Punjab, India
| | - Yachana Mishra
- School of Bioengineering and Biosciences, Lovely Professional University, Phagwara 144411, Punjab, India
| | - Altijana Hromić-Jahjefendić
- Department of Genetics and Bioengineering, Faculty of Engineering and Natural Sciences, International University of Sarajevo, Hrasnicka cesta 15, Sarajevo 71000, Bosnia and Herzegovina
| | - Murtaza M Tambuwala
- College of Pharmacy, Ras Al Khaimah Medical and Health Sciences University, Ras Al Khaimah, United Arab Emirates; Lincoln Medical School, University of Lincoln, Brayford Pool Campus, Lincoln LN6 7TS, UK.
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4
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Edlinger L. In Vivo Modeling of Leukemia by Murine Stem Cell Transplantation. Methods Mol Biol 2024; 2773:1-7. [PMID: 38236531 DOI: 10.1007/978-1-0716-3714-2_1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2024]
Abstract
Murine stem cell transplantation is a well-established method for the in vivo study of leukemic pathophysiology. Adoptive transfer of murine leukemic cells into lethally irradiated recipient mice leads to reconstitution of the hematopoietic system with malignant cells and eventually to leukemic progression in the recipient mice. Here, we describe the detailed protocol of the production of retroviral particles carrying the leukemic oncogene of interest as well as the isolation, retroviral transduction, and adoptive transfer of murine bone marrow cells.
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Affiliation(s)
- Leo Edlinger
- Division of Oncology, Department of Internal Medicine, Medical University of Graz, Graz, Austria.
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5
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Shiraishi RN, Bombeiro AL, Castro TCL, Della Via FI, Santos I, Rego EM, Saad STO, Torello CO. PML/RARa leukemia induced murine model for immunotherapy evaluation. Transpl Immunol 2023; 81:101919. [PMID: 37598913 DOI: 10.1016/j.trim.2023.101919] [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: 01/06/2023] [Revised: 07/31/2023] [Accepted: 08/17/2023] [Indexed: 08/22/2023]
Abstract
Even though leukemia murine models are valuable tools for new drug therapy studies, most of these models consist of immunocompromised mice, which do not exhibit immune responses. In order to obtain an adequate leukemia model, we established an acute promyelocytic leukemia transplantation-based model (PML/RARa) in immunocompetent BALB/c mice, thus making it possible to study drug-induced cellular immune responses in leukemia. The development of PML/RARa leukemia was confirmed by leukocytosis (76.27 ± 21.8 vs. 3.40 ± 1.06; P < 0.0001), anemia (7.46 ± 1.86 vs. 15.10 ± 0.96; P < 0.0001), and thrombocytopenia (131.85 ± 39.32 vs. 839.50 ± 171.20; P < 0.0001), and the presence of blasts in the peripheral blood of mice (approximately 50% blasts; P < 0.0001), 15 days after the transplants. These findings were corroborated through differential counts, flow cytometry, and in vivo imaging, which indicated increased number of immature cells in the bone marrow (15.75 ± 3.30 vs 6.69 ± 0.55; P < 0.001), peripheral blood (7.88 ± 2.67 vs 1.22 ± 0.89; P < 0.001), and spleen (35.21 ± 4.12 vs 1.35 ± 0.86; P < 0.0001), as well as promyelocytes in the bone marrow (41.23 ± 4.80 vs 5.73 ± 1.50; P < 0.0001), peripheral blood (46.08 ± 7.52 vs 1.10 ± 0.59; P < 0.0001) and spleen (35.31 ± 8.26 vs 2.49 ± 0.29; P < 0.0001) of PML/RARa mice. Compared to basal conditions of untransplanted mice, the PML/RARa mice exhibited frequencies of T lymphocytes CD4 helper = 14.85 ± 2.91 vs 20.77 ± 2.9 in the peripheral blood (P < 0.05); 12.75 ± 1.33 vs 45.90 ± 2.02 in the spleen (P < 0.0001); CD8 cytotoxic = 11.27 ± 3.44 vs 11.05 ± 1.22 in the peripheral blood (P > 0.05); 10.48 ± 1.16 vs 30.02 ± 1.80 in the spleen (P < 0.0001); natural killer (NK) cells = 3.68 ± 1.35 vs 6.84 ± 0.52 in the peripheral blood (P < 0.001); 4.43 ± 0.57 vs 6.40 ± 1.14 in the spleen (P < 0.05); B cells 2.50 ± 0.60 vs 15.20 ± 5.34 in the peripheral blood (P < 0.001); 17.77 ± 4.39 vs 46.90 ± 5.92 in the spleen (P < 0.0001); neutrophils = 5.97% ± 1.88 vs 31.57 ± 9.14 (P < 0.0001); and monocytes = 6.45 ± 2.97 vs 15.85 ± 2.57 (P < 0.001), selected as classical (3.33 ± 3.40 vs 57.80 ± 16.51, P < 0.0001), intermediate (57.42 ± 10.61 vs 21.75 ± 5.90, P < 0.0001), and non-classical monocytes (37.51 ± 10.85 vs 18.08 ± 7.13, P < 0.05) in the peripheral blood; and as classically activated (M1) within in the bone marrow (3.70 ± 0.94 vs 1.88 ± 0.39, P < 0.05) and spleen 15.19 ± 3.32 vs 9.47 ± 1.61, P < 0.05), in addition to alternatively activated (M2) macrophages within the bone marrow (23.06 ± 5.25 vs 1.76 ± 0.74, P < 0.0001) and spleen (46.51 ± 11.18 vs 30.58 ± 2.64, P < 0.05) compartments. All-trans retinoic acid (ATRA) treatment of PML/RARa mice reduced blast (immature cells) in the bone marrow (8.62 ± 1.81 vs 15.76 ± 1.25; P < 0.05) and spleen (8.75 ± 1.31 vs 35.21 ± 1.55; P < 0.0001) with no changes in the peripheral blood (10.13 ± 3.33 vs 7.88 ± 1.01; P > 0.05), as well as reduced promyelocytes in the bone marrow (19.79 ± 4.84 vs 41.23 ± 1.81; P < 0.05), peripheral blood (31.65 ± 3.92 vs 46.09 ± 2.84; P < 0.05) and spleen (24.84 ± 2.03 vs 41.46 ± 2.39; P < 0.001), and increased neutrophils of the peripheral blood (35.48 ± 7.24 vs 7.83 ± 1.40; P < 0.05) which was corroborated by reducing of immature cells and increase of neutrophil in the stained smears from PML/RARa mice, thus confirming that this model can be used in drug development studies. Our results show the effective induction of PML/RARa leukemia in BALB/c mice, thus producing a low-priced and reliable tool for investigating cellular immune responses in leukemia.
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Affiliation(s)
- Rodrigo N Shiraishi
- Hematology and Transfusion Medicine Center - Hemocentro, University of Campinas, 13083-878 Campinas, São Paulo, Brazil
| | - André L Bombeiro
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas, 13083-862 Campinas, São Paulo, Brazil
| | - Tamara C L Castro
- Department of Pharmacology, School of Medical Sciences, University of Campinas, 13083-887 Campinas, São Paulo, Brazil
| | - Fernanda I Della Via
- Hematology and Transfusion Medicine Center - Hemocentro, University of Campinas, 13083-878 Campinas, São Paulo, Brazil
| | - Irene Santos
- Hematology and Transfusion Medicine Center - Hemocentro, University of Campinas, 13083-878 Campinas, São Paulo, Brazil
| | - Eduardo M Rego
- Hematology and Clinical Oncology Divisions, Department of Internal Medicine, University of São Paulo, 14048-900 Ribeirão Preto, São Paulo, Brazil
| | - Sara T O Saad
- Hematology and Transfusion Medicine Center - Hemocentro, University of Campinas, 13083-878 Campinas, São Paulo, Brazil.
| | - Cristiane O Torello
- Hematology and Transfusion Medicine Center - Hemocentro, University of Campinas, 13083-878 Campinas, São Paulo, Brazil.
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6
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Nazaret A, Fan JL, Lavallée VP, Cornish AE, Kiseliovas V, Masilionis I, Chun J, Bowman RL, Eisman SE, Wang J, Shi L, Levine RL, Mazutis L, Blei D, Pe'er D, Azizi E. Deep generative model deciphers derailed trajectories in acute myeloid leukemia. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.11.11.566719. [PMID: 38014231 PMCID: PMC10680623 DOI: 10.1101/2023.11.11.566719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
Single-cell genomics has the potential to map cell states and their dynamics in an unbiased way in response to perturbations like disease. However, elucidating the cell-state transitions from healthy to disease requires analyzing data from perturbed samples jointly with unperturbed reference samples. Existing methods for integrating and jointly visualizing single-cell datasets from distinct contexts tend to remove key biological differences or do not correctly harmonize shared mechanisms. We present Decipher, a model that combines variational autoencoders with deep exponential families to reconstruct derailed trajectories ( https://github.com/azizilab/decipher ). Decipher jointly represents normal and perturbed single-cell RNA-seq datasets, revealing shared and disrupted dynamics. It further introduces a novel approach to visualize data, without the need for methods such as UMAP or TSNE. We demonstrate Decipher on data from acute myeloid leukemia patient bone marrow specimens, showing that it successfully characterizes the divergence from normal hematopoiesis and identifies transcriptional programs that become disrupted in each patient when they acquire NPM1 driver mutations.
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7
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Carlock C, Bai Y, Paige-Hood A, Li Q, Nguele Meke F, Zhang ZY. PRL2 inhibition elevates PTEN protein and ameliorates progression of acute myeloid leukemia. JCI Insight 2023; 8:e170065. [PMID: 37665633 PMCID: PMC10619439 DOI: 10.1172/jci.insight.170065] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 08/23/2023] [Indexed: 09/06/2023] Open
Abstract
Overexpression of phosphatases of regenerating liver 2 (PRL2), detected in numerous diverse cancers, is often associated with increased severity and poor patient prognosis. PRL2-catalyzed tyrosine dephosphorylation of the tumor suppressor PTEN results in increased PTEN degradation and has been identified as a mechanism underlying PRL2 oncogenic activity. Overexpression of PRL2, coincident with reduced PTEN protein, is frequently observed in patients with acute myeloid leukemia (AML). In the current study, a PTEN-knockdown AML animal model was generated to assess the effect of conditional PRL2 inhibition on the level of PTEN protein and the development and progression of AML. Inhibition of PRL2 resulted in a significant increase in median animal survival, from 40 weeks to greater than 60 weeks. The prolonged survival reflected delayed expansion of aberrantly differentiated hematopoietic stem cells into leukemia blasts, resulting in extended time required for clinically relevant leukemia blast accumulation in the BM niche. Leukemia blast suppression following PRL2 inhibition was correlated with an increase in PTEN and downregulation of AKT/mTOR-regulated pathways. These observations directly established, in a disease model, the viability of PRL2 inhibition as a therapeutic strategy for improving clinical outcomes in AML and potentially other PTEN-deficient cancers by slowing cancer progression.
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Affiliation(s)
| | - Yunpeng Bai
- Department of Medicinal Chemistry and Molecular Pharmacology
| | | | - Qinglin Li
- Department of Medicinal Chemistry and Molecular Pharmacology
| | | | - Zhong-Yin Zhang
- Department of Medicinal Chemistry and Molecular Pharmacology
- Department of Chemistry
- Institute for Cancer Research, and
- Institute for Drug Discovery, Purdue University, West Lafayette, Indiana, USA
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8
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Murillo N, Lasso P, Urueña C, Pardo-Rodriguez D, Ballesteros-Ramírez R, Betancourt G, Rojas L, Cala MP, Fiorentino S. Petiveria alliacea Reduces Tumor Burden and Metastasis and Regulates the Peripheral Immune Response in a Murine Myeloid Leukemia Model. Int J Mol Sci 2023; 24:12972. [PMID: 37629156 PMCID: PMC10454792 DOI: 10.3390/ijms241612972] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 08/10/2023] [Accepted: 08/15/2023] [Indexed: 08/27/2023] Open
Abstract
The poor response, adverse effects and drug resistance to treatment of acute myeloid leukemia (AML) have led to searching for safer and more effective therapeutic alternatives. We previously demonstrated that the alcoholic extract of Petiveria alliacea (Esperanza) has a significant in vitro antitumor effect on other tumor cells and also the ability to regulate energy metabolism. We evaluated the effect of the Esperanza extract in vitro and in vivo in a murine model of AML with DA-3/ER-GM cells. First, a chemical characterization of the extract was conducted through liquid and gas chromatography coupled with mass spectrometry. In vitro findings showed that the extract modulates tumor metabolism by decreasing glucose uptake and increasing reactive oxygen species, which leads to a reduction in cell proliferation. Then, to evaluate the effect of the extract in vivo, we standardized the mouse model by injecting DA-3/ER-GM cells intravenously. The animals treated with the extract showed a lower percentage of circulating blasts, higher values of hemoglobin, hematocrit, and platelets, less infiltration of blasts in the spleen, and greater production of cytokines compared to the control group. These results suggest that the antitumor activity of this extract on DA-3/ER-GM cells can be attributed to the decrease in glycolytic metabolism, its activity as a mitocan, and the possible immunomodulatory effect by reducing tumor proliferation and metastasis.
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Affiliation(s)
- Natalia Murillo
- Grupo de Inmunobiología y Biología Celular, Pontificia Universidad Javeriana, Bogotá 110211, Colombia; (N.M.); (P.L.); (C.U.); (R.B.-R.); (G.B.); (L.R.)
| | - Paola Lasso
- Grupo de Inmunobiología y Biología Celular, Pontificia Universidad Javeriana, Bogotá 110211, Colombia; (N.M.); (P.L.); (C.U.); (R.B.-R.); (G.B.); (L.R.)
| | - Claudia Urueña
- Grupo de Inmunobiología y Biología Celular, Pontificia Universidad Javeriana, Bogotá 110211, Colombia; (N.M.); (P.L.); (C.U.); (R.B.-R.); (G.B.); (L.R.)
| | - Daniel Pardo-Rodriguez
- Metabolomics Core Facility—MetCore, Vicepresidency for Research, Universidad de Los Andes, Bogotá 111711, Colombia; (D.P.-R.); (M.P.C.)
| | - Ricardo Ballesteros-Ramírez
- Grupo de Inmunobiología y Biología Celular, Pontificia Universidad Javeriana, Bogotá 110211, Colombia; (N.M.); (P.L.); (C.U.); (R.B.-R.); (G.B.); (L.R.)
| | - Giselle Betancourt
- Grupo de Inmunobiología y Biología Celular, Pontificia Universidad Javeriana, Bogotá 110211, Colombia; (N.M.); (P.L.); (C.U.); (R.B.-R.); (G.B.); (L.R.)
| | - Laura Rojas
- Grupo de Inmunobiología y Biología Celular, Pontificia Universidad Javeriana, Bogotá 110211, Colombia; (N.M.); (P.L.); (C.U.); (R.B.-R.); (G.B.); (L.R.)
| | - Mónica P. Cala
- Metabolomics Core Facility—MetCore, Vicepresidency for Research, Universidad de Los Andes, Bogotá 111711, Colombia; (D.P.-R.); (M.P.C.)
| | - Susana Fiorentino
- Grupo de Inmunobiología y Biología Celular, Pontificia Universidad Javeriana, Bogotá 110211, Colombia; (N.M.); (P.L.); (C.U.); (R.B.-R.); (G.B.); (L.R.)
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9
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Kim M, Savsani K, Dakshanamurthy S. A Peptide Vaccine Design Targeting KIT Mutations in Acute Myeloid Leukemia. Pharmaceuticals (Basel) 2023; 16:932. [PMID: 37513844 PMCID: PMC10383192 DOI: 10.3390/ph16070932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 06/06/2023] [Accepted: 06/21/2023] [Indexed: 07/30/2023] Open
Abstract
Acute myeloid leukemia (AML) is a leading blood cancer subtype that can be caused by 27 gene mutations. Previous studies have explored potential vaccine and drug treatments against AML, but many were proven immunologically insignificant. Here, we targeted this issue and applied various clinical filters to improve immune response. KIT is an oncogenic gene that can cause AML when mutated and is predicted to be a promising vaccine target because of its immunogenic responses when activated. We designed a multi-epitope vaccine targeting mutations in the KIT oncogene using CD8+ and CD4+ epitopes. We selected the most viable vaccine epitopes based on thresholds for percentile rank, immunogenicity, antigenicity, half-life, toxicity, IFNγ release, allergenicity, and stability. The efficacy of data was observed through world and regional population coverage of our vaccine design. Then, we obtained epitopes for optimized population coverage from PCOptim-CD, a modified version of our original Java-based program code PCOptim. Using 24 mutations on the KIT gene, 12 CD8+ epitopes and 21 CD4+ epitopes were obtained. The CD8+ dataset had a 98.55% world population coverage, while the CD4+ dataset had a 65.14% world population coverage. There were five CD4+ epitopes that overlapped with the top CD8+ epitopes. Strong binding to murine MHC molecules was found in four CD8+ and six CD4+ epitopes, demonstrating the feasibility of our results in preclinical murine vaccine trials. We then created three-dimensional (3D) models to visualize epitope-MHC complexes and TCR interactions. The final candidate is a non-toxic and non-allergenic multi-epitope vaccine against KIT mutations that cause AML. Further research would involve murine trials of the vaccine candidates on tumor cells causing AML.
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Affiliation(s)
- Minji Kim
- College of Human Ecology, Cornell University, Ithaca, NY 14850, USA
| | - Kush Savsani
- College of Humanities and Sciences, Virginia Commonwealth University, Richmond, VA 23284, USA
| | - Sivanesan Dakshanamurthy
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC 20057, USA
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10
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de Janon A, Mantalaris A, Panoskaltsis N. Three-Dimensional Human Bone Marrow Organoids for the Study and Application of Normal and Abnormal Hematoimmunopoiesis. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2023; 210:895-904. [PMID: 36947817 PMCID: PMC7614371 DOI: 10.4049/jimmunol.2200836] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 01/18/2023] [Indexed: 03/24/2023]
Abstract
Hematoimmunopoiesis takes place in the adult human bone marrow (BM), which is composed of heterogeneous niches with complex architecture that enables tight regulation of homeostatic and stress responses. There is a paucity of representative culture systems that recapitulate the heterogeneous three-dimensional (3D) human BM microenvironment and that can endogenously produce soluble factors and extracellular matrix that deliver culture fidelity for the study of both normal and abnormal hematopoiesis. Native BM lymphoid populations are also poorly represented in current in vitro and in vivo models, creating challenges for the study and treatment of BM immunopathology. BM organoid models leverage normal 3D organ structure to recreate functional niche microenvironments. Our focus herein is to review the current state of the art in the use of 3D BM organoids, focusing on their capacities to recreate critical quality attributes of the in vivo BM microenvironment for the study of human normal and abnormal hematopoiesis.
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Affiliation(s)
- Alejandro de Janon
- BioMedical Systems Engineering Laboratory, Wallace H. Coulter Department of Biomedical Engineering, The Georgia Institute of Technology, Atlanta, GA, USA
| | - Athanasios Mantalaris
- BioMedical Systems Engineering Laboratory, Wallace H. Coulter Department of Biomedical Engineering, The Georgia Institute of Technology, Atlanta, GA, USA
- School of Pharmacy & Pharmaceutical Sciences, Trinity College Dublin, Ireland
- National Institute for Bioprocessing Research and Training, Ireland
| | - Nicki Panoskaltsis
- BioMedical Systems Engineering Laboratory, Wallace H. Coulter Department of Biomedical Engineering, The Georgia Institute of Technology, Atlanta, GA, USA
- Department of Hematology and Medical Oncology, Emory University, Atlanta, GA, USA
- School of Pharmacy & Pharmaceutical Sciences, Trinity College Dublin, Ireland
- Department of Haematology, St. James’s Hospital Dublin, Ireland
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11
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Rabaan AA, AlSaihati H, Bukhamsin R, Bakhrebah MA, Nassar MS, Alsaleh AA, Alhashem YN, Bukhamseen AY, Al-Ruhimy K, Alotaibi M, Alsubki RA, Alahmed HE, Al-Abdulhadi S, Alhashem FA, Alqatari AA, Alsayyah A, Farahat RA, Abdulal RH, Al-Ahmed AH, Imran M, Mohapatra RK. Application of CRISPR/Cas9 Technology in Cancer Treatment: A Future Direction. Curr Oncol 2023; 30:1954-1976. [PMID: 36826113 PMCID: PMC9955208 DOI: 10.3390/curroncol30020152] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 01/13/2023] [Accepted: 01/31/2023] [Indexed: 02/08/2023] Open
Abstract
Gene editing, especially with clustered regularly interspaced short palindromic repeats associated protein 9 (CRISPR-Cas9), has advanced gene function science. Gene editing's rapid advancement has increased its medical/clinical value. Due to its great specificity and efficiency, CRISPR/Cas9 can accurately and swiftly screen the whole genome. This simplifies disease-specific gene therapy. To study tumor origins, development, and metastasis, CRISPR/Cas9 can change genomes. In recent years, tumor treatment research has increasingly employed this method. CRISPR/Cas9 can treat cancer by removing genes or correcting mutations. Numerous preliminary tumor treatment studies have been conducted in relevant fields. CRISPR/Cas9 may treat gene-level tumors. CRISPR/Cas9-based personalized and targeted medicines may shape tumor treatment. This review examines CRISPR/Cas9 for tumor therapy research, which will be helpful in providing references for future studies on the pathogenesis of malignancy and its treatment.
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Affiliation(s)
- Ali A. Rabaan
- Molecular Diagnostic Laboratory, Johns Hopkins Aramco Healthcare, Dhahran 31311, Saudi Arabia
- College of Medicine, Alfaisal University, Riyadh 11533, Saudi Arabia
- Department of Public Health and Nutrition, The University of Haripur, Haripur 22610, Pakistan
| | - Hajir AlSaihati
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, University of Hafr Al Batin, Hafr Al Batin 39831, Saudi Arabia
| | - Rehab Bukhamsin
- Dammam Regional Laboratory and Blood Bank, Dammam 31411, Saudi Arabia
| | - Muhammed A. Bakhrebah
- Life Science and Environment Research Institute, King Abdulaziz City for Science and Technology (KACST), Riyadh 11442, Saudi Arabia
| | - Majed S. Nassar
- Life Science and Environment Research Institute, King Abdulaziz City for Science and Technology (KACST), Riyadh 11442, Saudi Arabia
| | - Abdulmonem A. Alsaleh
- Clinical Laboratory Science Department, Mohammed Al-Mana College for Medical Sciences, Dammam 34222, Saudi Arabia
| | - Yousef N. Alhashem
- Clinical Laboratory Science Department, Mohammed Al-Mana College for Medical Sciences, Dammam 34222, Saudi Arabia
| | - Ammar Y. Bukhamseen
- Department of Internal Medicine, College of Medicine, Imam Abdulrahman Bin Faisal University, Dammam 34212, Saudi Arabia
| | - Khalil Al-Ruhimy
- Department of Public Health, Ministry of Health, Riyadh 14235, Saudi Arabia
| | - Mohammed Alotaibi
- Department of Public Health, Ministry of Health, Riyadh 14235, Saudi Arabia
| | - Roua A. Alsubki
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud University, Riyadh 11362, Saudi Arabia
| | - Hejji E. Alahmed
- Department of Laboratory and Blood Bank, King Fahad Hospital, Al Hofuf 36441, Saudi Arabia
| | - Saleh Al-Abdulhadi
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Prince Sattam Bin Abdulaziz University, Riyadh 11942, Saudi Arabia
- Saleh Office for Medical Genetic and Genetic Counseling Services, The House of Expertise, Prince Sattam Bin Abdulaziz University, Dammam 32411, Saudi Arabia
| | - Fatemah A. Alhashem
- Laboratory Medicine Department, Hematopathology Division, King Fahad Hospital of the University, Al-Khobar 31441, Saudi Arabia
| | - Ahlam A. Alqatari
- Hematopathology Department, Clinical Pathology, Al-Dorr Specialist Medical Center, Qatif 31911, Saudi Arabia
| | - Ahmed Alsayyah
- Department of Pathology, College of Medicine, Imam Abdulrahman Bin Faisal University, Dammam 31441, Saudi Arabia
| | | | - Rwaa H. Abdulal
- Department of Biology, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Vaccines and Immunotherapy Unit, King Fahad Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Ali H. Al-Ahmed
- Dammam Health Network, Eastern Health Cluster, Dammam 31444, Saudi Arabia
| | - Mohd. Imran
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Northern Border University, Rafha 91911, Saudi Arabia
| | - Ranjan K. Mohapatra
- Department of Chemistry, Government College of Engineering, Keonjhar 758002, India
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12
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Chamo M, Koren O, Goldstein O, Bujanover N, Keinan N, Scharff Y, Gazit R. Molecular Mechanisms in Murine Syngeneic Leukemia Stem Cells. Cancers (Basel) 2023; 15:cancers15030720. [PMID: 36765677 PMCID: PMC9913241 DOI: 10.3390/cancers15030720] [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: 12/15/2022] [Revised: 01/16/2023] [Accepted: 01/17/2023] [Indexed: 01/26/2023] Open
Abstract
Acute Myeloid Leukemia (AML) is a severe disease with a very high relapse rate. AML relapse may be attributable to leukemic stem cells (LSC). Notably, the "cancer stem cell" theory, which relates to LSCs, is controversial and criticized due to the technical peculiarities of the xenotransplant of human cells into mice. In this study, we searched for possible LSCs in an immunocompetent synergetic mice model. First, we found phenotypic heterogeneity in the ML23 leukemia line. We prospectively isolated a sub-population using the surface markers cKit+CD9-CD48+Mac1-/low, which have the potency to relapse the disease. Importantly, this sub-population can pass in syngeneic hosts and retrieve the heterogeneity of the parental ML23 leukemia line. The LSC sub-population resides in various organs. We present a unique gene expression signature of the LSC in the ML23 model compared to the other sub-populations. Interestingly, the ML23 LSC sub-population expresses therapeutic targeted genes such as CD47 and CD93. Taken together, we present the identification and molecular characterization of LSCs in a syngeneic murine model.
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13
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Wang X, Bajpai AK, Gu Q, Ashbrook DG, Starlard-Davenport A, Lu L. Weighted gene co-expression network analysis identifies key hub genes and pathways in acute myeloid leukemia. Front Genet 2023; 14:1009462. [PMID: 36923792 PMCID: PMC10008864 DOI: 10.3389/fgene.2023.1009462] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Accepted: 02/13/2023] [Indexed: 03/01/2023] Open
Abstract
Introduction: Acute myeloid leukemia (AML) is the most common type of leukemia in adults. However, there is a gap in understanding the molecular basis of the disease, partly because key genes associated with AML have not been extensively explored. In the current study, we aimed to identify genes that have strong association with AML based on a cross-species integrative approach. Methods: We used Weighted Gene Co-Expression Network Analysis (WGCNA) to identify co-expressed gene modules significantly correlated with human AML, and further selected the genes exhibiting a significant difference in expression between AML and healthy mouse. Protein-protein interactions, transcription factors, gene function, genetic regulation, and coding sequence variants were integrated to identify key hub genes in AML. Results: The cross-species approach identified a total of 412 genes associated with both human and mouse AML. Enrichment analysis confirmed an association of these genes with hematopoietic and immune-related functions, phenotypes, processes, and pathways. Further, the integrated analysis approach identified a set of important module genes including Nfe2, Trim27, Mef2c, Ets1, Tal1, Foxo1, and Gata1 in AML. Six of these genes (except ETS1) showed significant differential expression between human AML and healthy samples in an independent microarray dataset. All of these genes are known to be involved in immune/hematopoietic functions, and in transcriptional regulation. In addition, Nfe2, Trim27, Mef2c, and Ets1 harbor coding sequence variants, whereas Nfe2 and Trim27 are cis-regulated, making them attractive candidates for validation. Furthermore, subtype-specific analysis of the hub genes in human AML indicated high expression of NFE2 across all the subtypes (M0 through M7) and enriched expression of ETS1, LEF1, GATA1, and TAL1 in M6 and M7 subtypes. A significant correlation between methylation status and expression level was observed for most of these genes in AML patients. Conclusion: Findings from the current study highlight the importance of our cross-species approach in the identification of multiple key candidate genes in AML, which can be further studied to explore their detailed role in leukemia/AML.
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Affiliation(s)
- Xinfeng Wang
- Department of Hematology, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | - Akhilesh K Bajpai
- Department of Genetics, Genomics, and Informatics, University of Tennessee Health Science Center, Memphis, TN, United States
| | - Qingqing Gu
- Department of Hematology, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China.,Department of Genetics, Genomics, and Informatics, University of Tennessee Health Science Center, Memphis, TN, United States
| | - David G Ashbrook
- Department of Genetics, Genomics, and Informatics, University of Tennessee Health Science Center, Memphis, TN, United States
| | - Athena Starlard-Davenport
- Department of Genetics, Genomics, and Informatics, University of Tennessee Health Science Center, Memphis, TN, United States
| | - Lu Lu
- Department of Genetics, Genomics, and Informatics, University of Tennessee Health Science Center, Memphis, TN, United States
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14
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5-Azacytidine-Mediated Modulation of the Immune Microenvironment in Murine Acute Myeloid Leukemia. Cancers (Basel) 2022; 15:cancers15010118. [PMID: 36612115 PMCID: PMC9817798 DOI: 10.3390/cancers15010118] [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: 11/21/2022] [Revised: 12/20/2022] [Accepted: 12/21/2022] [Indexed: 12/28/2022] Open
Abstract
Cancer cells accumulate epigenetic modifications that allow escape from intrinsic and extrinsic surveillance mechanisms. In the case of acute myeloid leukemias (AML) and myelodysplastic syndromes, agents that disrupt chromatin structure, namely hypomethylating agents (HMAs), have shown tremendous promise as an alternate, milder treatment option for older, clinically non-fit patients. HMAs reprogram the epigenetic landscape in tumor cells through the reversal of DNA hypermethylation. Therapeutic effects resulting from these epigenetic changes are incredibly effective, sometimes resulting in complete remissions, but are frequently lost due to primary or acquired resistance. In this study, we describe syngeneic murine leukemias that are responsive to the HMA 5-azacytidine (5-Aza), as determined by augmented expression of a transduced luciferase reporter. We also found that 5-Aza treatment re-established immune-related transcript expression, suppressed leukemic burden and extended survival in leukemia-challenged mice. The effects of 5-Aza treatment were short-lived, and analysis of the immune microenvironment reveals possible mechanisms of resistance, such as simultaneous increase in immune checkpoint protein expression. This represents a model system that is highly responsive to HMAs and recapitulates major therapeutic outcomes observed in human leukemia (relapse) and may serve as a pre-clinical tool for studying acquired resistance and novel treatment combinations.
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15
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Li J, Chen H, Zhao S, Wen D, Bi L. Patient-derived intrafemoral orthotopic xenografts of peripheral blood or bone marrow from acute myeloid and acute lymphoblastic leukemia patients: clinical characterization, methodology, and validation. Clin Exp Med 2022:10.1007/s10238-022-00884-3. [PMID: 36121505 PMCID: PMC10390355 DOI: 10.1007/s10238-022-00884-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Accepted: 08/27/2022] [Indexed: 11/27/2022]
Abstract
Acute myeloid leukemia (AML) and acute lymphoblastic leukemia (ALL) are malignant clonal diseases of the hematopoietic system with an unsatisfactory overall prognosis. The main obstacle is the increased resistance of AML and ALL cells to chemotherapy. The development and validation of new therapeutic strategies for acute leukemia require preclinical models that accurately recapitulate the genetic, pathological, and clinical features of acute leukemia. A patient-derived orthotopic xenograft (PDOX) model is established using surgical orthotopic implantation. They closely resemble human tumor progression and microenvironment and are more reliable translational research tools than subcutaneous-transplant models. In this study, we established PDOX models by direct intrafemoral injection of bone marrow and peripheral blood cells from AML and ALL patients, characterized their pathology, cytology, and genetics, and compared the model's characteristics and drug responsiveness with those of the corresponding patients.
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Affiliation(s)
- Jun Li
- Department of Hematology and Oncology, China-Japan Union Hospital of Jilin University, No. 126 XianTai Street, Changchun, Jilin, 130033, China
| | - Hongkui Chen
- Shanghai LIDE Biotech, Co. Ltd, No. 77-78, Lane 887, Zuchongzhi Road, Pudong, Shanghai, China
| | - ShiZhu Zhao
- Shanghai LIDE Biotech, Co. Ltd, No. 77-78, Lane 887, Zuchongzhi Road, Pudong, Shanghai, China
| | - Danyi Wen
- Shanghai LIDE Biotech, Co. Ltd, No. 77-78, Lane 887, Zuchongzhi Road, Pudong, Shanghai, China
| | - Lintao Bi
- Department of Hematology and Oncology, China-Japan Union Hospital of Jilin University, No. 126 XianTai Street, Changchun, Jilin, 130033, China.
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16
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Dozzo A, Galvin A, Shin JW, Scalia S, O'Driscoll CM, Ryan KB. Modelling acute myeloid leukemia (AML): What's new? A transition from the classical to the modern. Drug Deliv Transl Res 2022:10.1007/s13346-022-01189-4. [PMID: 35930221 DOI: 10.1007/s13346-022-01189-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/24/2022] [Indexed: 11/24/2022]
Abstract
Acute myeloid leukemia (AML) is a heterogeneous malignancy affecting myeloid cells in the bone marrow (BM) but can spread giving rise to impaired hematopoiesis. AML incidence increases with age and is associated with poor prognostic outcomes. There has been a disconnect between the success of novel drug compounds observed in preclinical studies of hematological malignancy and less than exceptional therapeutic responses in clinical trials. This review aims to provide a state-of-the-art overview on the different preclinical models of AML available to expand insights into disease pathology and as preclinical screening tools. Deciphering the complex physiological and pathological processes and developing predictive preclinical models are key to understanding disease progression and fundamental in the development and testing of new effective drug treatments. Standard scaffold-free suspension models fail to recapitulate the complex environment where AML occurs. To this end, we review advances in scaffold/matrix-based 3D models and outline the most recent advances in on-chip technology. We also provide an overview of clinically relevant animal models and review the expanding use of patient-derived samples, which offer the prospect to create more "patient specific" screening tools either in the guise of 3D matrix models, microphysiological "organ-on-chip" tools or xenograft models and discuss representative examples.
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Affiliation(s)
| | - Aoife Galvin
- School of Pharmacy, University College Cork, Cork, Ireland
| | - Jae-Won Shin
- Department of Pharmacology and Regenerative Medicine, University of Illinois at Chicago College of Medicine, 909 S. Wolcott Ave, Chicago, IL, 5091 COMRB, USA
| | - Santo Scalia
- Università degli Studi di Ferrara, Via Luigi Borsari 46, 44121, Ferrara, Italy
| | - Caitriona M O'Driscoll
- School of Pharmacy, University College Cork, Cork, Ireland.,SSPC Centre for Pharmaceutical Research, School of Pharmacy, University College Cork, Cork, Ireland
| | - Katie B Ryan
- School of Pharmacy, University College Cork, Cork, Ireland. .,SSPC Centre for Pharmaceutical Research, School of Pharmacy, University College Cork, Cork, Ireland.
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17
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Aguiñiga-Sanchez I, Ledesma-Martínez E, Lara-Castañeda JL, Melendez-Ibarra F, Weiss-Steider B, Soto-Cruz I, Fajardo-Orduña G, Santiago-Osorio E. Sodium Caseinate in Combination With Daunorubicin or Cytarabine Improves Survival of Mice With Long-established Leukemia. CANCER DIAGNOSIS & PROGNOSIS 2022; 2:496-502. [PMID: 35813007 PMCID: PMC9254099 DOI: 10.21873/cdp.10133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 06/03/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND/AIM Although acute myeloid leukemia (AML) has traditionally been considered an oncological emergency and initiation of therapy is believed to be crucial to minimizing disease-related morbidity and mortality, it has also been suggested that a certain delay in treatment has no negative consequences in terms of response, early mortality, or survival. We aimed to determine the effect of administration of sodium caseinate (SC), a salt of casein, the main milk protein, with cytarabine or with daunorubicin on survival in mice with well-established leukemia. MATERIALS AND METHODS To assay the time of establishment of leukemia in the bone marrow, Balb/c mice were inoculated with 2.5×10 5 WEHI-3 cells/mouse and after 3, 6 and 9 days were euthanized. Bone marrow mononuclear cells (BM-MNCs) of the femur were obtained and cultured for 120 h with or without rmIL-3 and cell proliferation was evaluated by the crystal violet technique. Then, the effect of administrating SC-cytarabine or SC-daunorubicin on survival rates of mice with well-established leukemia was assayed. Another group of Balb/c mice was inoculated with WEHI-3 cell and after 10 days mice were treated with SC-cytarabine or SC-daunorubicin for 40 days. Survival rates were recorded daily and in surviving mice, the prevalence of bone marrow proliferation after treatment was assayed by the crystal violet technique. RESULTS The assay on the time of establishment of leukemia shows that in 9 days leukemia cells accumulate in the bone marrow in sufficient quantities to sustain an in vitro culture in the absence of growth factors, and we, thus, used this as a criterion of well-established leukemia. When mice with a burden of leukemic cells of more than 9 days were treated with SC-cytarabine or SC-daunorubicin, this resulted in 55% survival for both treatments, and the proliferation assays showed that the bone marrow retained its normal proliferation capacity. CONCLUSION SC-cytarabine or SC-daunorubicin treatment prolonged the survival rate of Balb/c mice with a burden of well-established leukemia, and there was no negative impact on bone marrow functionality; however, SC-cytarabine or SC-daunorubicin combination options need to be sought to increase survival beyond 40 days.
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Affiliation(s)
- Itzen Aguiñiga-Sanchez
- Hematopoiesis and Leukemia Laboratory, Research Unit on Cell Differentiation and Cancer, Faculty of High Studies Zaragoza, National Autonomous University of Mexico, Mexico City, Mexico
- Department of Biomedical Sciences, School of Medicine, Faculty of High Studies Zaragoza, National Autonomous University of Mexico, Mexico City, Mexico
| | - Edgar Ledesma-Martínez
- Hematopoiesis and Leukemia Laboratory, Research Unit on Cell Differentiation and Cancer, Faculty of High Studies Zaragoza, National Autonomous University of Mexico, Mexico City, Mexico
| | - Jose Luis Lara-Castañeda
- Hematopoiesis and Leukemia Laboratory, Research Unit on Cell Differentiation and Cancer, Faculty of High Studies Zaragoza, National Autonomous University of Mexico, Mexico City, Mexico
| | - Frida Melendez-Ibarra
- Hematopoiesis and Leukemia Laboratory, Research Unit on Cell Differentiation and Cancer, Faculty of High Studies Zaragoza, National Autonomous University of Mexico, Mexico City, Mexico
| | - Benny Weiss-Steider
- Hematopoiesis and Leukemia Laboratory, Research Unit on Cell Differentiation and Cancer, Faculty of High Studies Zaragoza, National Autonomous University of Mexico, Mexico City, Mexico
| | - Isabel Soto-Cruz
- Hematopoiesis and Leukemia Laboratory, Research Unit on Cell Differentiation and Cancer, Faculty of High Studies Zaragoza, National Autonomous University of Mexico, Mexico City, Mexico
| | - Guadalupe Fajardo-Orduña
- Hematopoiesis and Leukemia Laboratory, Research Unit on Cell Differentiation and Cancer, Faculty of High Studies Zaragoza, National Autonomous University of Mexico, Mexico City, Mexico
| | - Edelmiro Santiago-Osorio
- Hematopoiesis and Leukemia Laboratory, Research Unit on Cell Differentiation and Cancer, Faculty of High Studies Zaragoza, National Autonomous University of Mexico, Mexico City, Mexico
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18
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Yuan O, Ugale A, de Marchi T, Anthonydhason V, Konturek-Ciesla A, Wan H, Eldeeb M, Drabe C, Jassinskaja M, Hansson J, Hidalgo I, Velasco-Hernandez T, Cammenga J, Magee JA, Niméus E, Bryder D. A somatic mutation in moesin drives progression into acute myeloid leukemia. SCIENCE ADVANCES 2022; 8:eabm9987. [PMID: 35442741 PMCID: PMC9020775 DOI: 10.1126/sciadv.abm9987] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Accepted: 03/01/2022] [Indexed: 06/14/2023]
Abstract
Acute myeloid leukemia (AML) arises when leukemia-initiating cells, defined by a primary genetic lesion, acquire subsequent molecular changes whose cumulative effects bypass tumor suppression. The changes that underlie AML pathogenesis not only provide insights into the biology of transformation but also reveal novel therapeutic opportunities. However, backtracking these events in transformed human AML samples is challenging, if at all possible. Here, we approached this question using a murine in vivo model with an MLL-ENL fusion protein as a primary molecular event. Upon clonal transformation, we identified and extensively verified a recurrent codon-changing mutation (Arg295Cys) in the ERM protein moesin that markedly accelerated leukemogenesis. Human cancer-associated moesin mutations at the conserved arginine-295 residue similarly enhanced MLL-ENL-driven leukemogenesis. Mechanistically, the mutation interrupted the stability of moesin and conferred a neomorphic activity to the protein, which converged on enhanced extracellular signal-regulated kinase activity. Thereby, our studies demonstrate a critical role of ERM proteins in AML, with implications also for human cancer.
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Affiliation(s)
- Ouyang Yuan
- Division of Molecular Hematology, Department of Laboratory Medicine, Lund Stem Cell Center, Faculty of Medical, Lund University, 221 84 Lund, Sweden
| | - Amol Ugale
- Division of Molecular Hematology, Department of Laboratory Medicine, Lund Stem Cell Center, Faculty of Medical, Lund University, 221 84 Lund, Sweden
- Department of Microbiology, Immunobiology and Genetics, Center for Molecular Biology of the University of Vienna, Max F. Perutz Laboratories, Vienna Biocenter (VBC), 1030 Vienna, Austria
| | - Tommaso de Marchi
- Division of Surgery, Oncology, and Pathology, Department of Clinical Sciences, Lund University, Solvegatan 19, 223 62, Lund, Sweden
| | - Vimala Anthonydhason
- Sahlgrenska Center for Cancer Research, University of Gothenburg, Medicinaregatan 1F, 413 90, Gothenburg, Sweden
| | - Anna Konturek-Ciesla
- Division of Molecular Hematology, Department of Laboratory Medicine, Lund Stem Cell Center, Faculty of Medical, Lund University, 221 84 Lund, Sweden
| | - Haixia Wan
- Division of Molecular Hematology, Department of Laboratory Medicine, Lund Stem Cell Center, Faculty of Medical, Lund University, 221 84 Lund, Sweden
| | - Mohamed Eldeeb
- Division of Molecular Hematology, Department of Laboratory Medicine, Lund Stem Cell Center, Faculty of Medical, Lund University, 221 84 Lund, Sweden
| | - Caroline Drabe
- Division of Molecular Hematology, Department of Laboratory Medicine, Lund Stem Cell Center, Faculty of Medical, Lund University, 221 84 Lund, Sweden
| | - Maria Jassinskaja
- Division of Molecular Hematology, Department of Laboratory Medicine, Lund Stem Cell Center, Faculty of Medical, Lund University, 221 84 Lund, Sweden
- York Biomedical Research Institute, Department of Biology, University of York, Wentworth Way, York YO10 5DD, UK
| | - Jenny Hansson
- Division of Molecular Hematology, Department of Laboratory Medicine, Lund Stem Cell Center, Faculty of Medical, Lund University, 221 84 Lund, Sweden
| | - Isabel Hidalgo
- Division of Molecular Hematology, Department of Laboratory Medicine, Lund Stem Cell Center, Faculty of Medical, Lund University, 221 84 Lund, Sweden
| | | | - Jörg Cammenga
- Division of Molecular Hematology, Department of Laboratory Medicine, Lund Stem Cell Center, Faculty of Medical, Lund University, 221 84 Lund, Sweden
| | - Jeffrey A. Magee
- Department of Pediatrics, Division of Hematology and Oncology, Washington University School of Medicine, St. Louis, MO 63110, USA
- Department of Genetics, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Emma Niméus
- Division of Surgery, Oncology, and Pathology, Department of Clinical Sciences, Lund University, Solvegatan 19, 223 62, Lund, Sweden
- Department of Surgery, Skåne University Hospital, Entrégatan 7, 222 42 Lund, Sweden
| | - David Bryder
- Division of Molecular Hematology, Department of Laboratory Medicine, Lund Stem Cell Center, Faculty of Medical, Lund University, 221 84 Lund, Sweden
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19
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Bai H, Zhang Q, Zhang S, Wang J, Luo B, Dong Y, Gao J, Cheng T, Dong F, Ema H. Multiple cells of origin in common with various types of mouse N-Myc acute leukemia. Leuk Res 2022; 117:106843. [DOI: 10.1016/j.leukres.2022.106843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 04/13/2022] [Accepted: 04/20/2022] [Indexed: 10/18/2022]
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20
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Comparison of clonal architecture between primary and immunodeficient mouse-engrafted acute myeloid leukemia cells. Nat Commun 2022; 13:1624. [PMID: 35338146 PMCID: PMC8956585 DOI: 10.1038/s41467-022-29304-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Accepted: 03/02/2022] [Indexed: 01/23/2023] Open
Abstract
Patient-derived xenografts (PDX) are widely used as human cancer models. Previous studies demonstrated clonal discordance between PDX and primary cells. However, in acute myeloid leukemia (AML)-PDX models, the significance of the clonal dynamics occurring in PDX remains unclear. By evaluating changes in the variant allele frequencies (VAF) of somatic mutations in serial samples of paired primary AML and their PDX bone marrow cells, we identify the skewing engraftment of relapsed or refractory (R/R) AML clones in 57% of PDX models generated from multiclonal AML cells at diagnosis, even if R/R clones are minor at <5% of VAF in patients. The event-free survival rate of patients whose AML cells successfully engraft in PDX models is consistently lower than that of patients with engraftment failure. We herein demonstrate that primary AML cells including potentially chemotherapy-resistant clones dominantly engraft in AML-PDX models and they enrich pre-existing treatment-resistant subclones.
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Lin Z, Deng Z, Liu J, Lin Z, Chen S, Deng Z, Li W. Chloride Channel and Inflammation-Mediated Pathogenesis of Osteoarthritis. J Inflamm Res 2022; 15:953-964. [PMID: 35177922 PMCID: PMC8846625 DOI: 10.2147/jir.s350432] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Accepted: 01/28/2022] [Indexed: 12/15/2022] Open
Abstract
Articular cartilage allows the human body to buffer and absorb stress during normal exercise. It is mainly composed of cartilage cells and the extracellular matrix and is surrounded by the extracellular microenvironment formed by synovial fluid and various factors in it. Studies have shown that chondrocytes are the metabolic center of articular cartilage. Under physiological conditions, the extracellular matrix is in a dynamic balance of anabolism and catabolism, and various factors and physical and chemical conditions in the extracellular microenvironment are also in a steady state. This homeostasis depends on the normal function of proteins represented by various ion channels on chondrocytes. In mammalian chondrocyte species, ion channels are mainly divided into two categories: cation channels and anion channels. Anion channels such as chloride channels have become hot research topics in recent years. These channels play an extremely important role in various physiological processes. Recently, a growing body of evidence has shown that many pathological processes, abnormal concentration of mechanical stress and chloride channel dysfunction in articular cartilage lead to microenvironment disorders, matrix and bone metabolism imbalances, which cause partial aseptic inflammation. These pathological processes initiate extracellular matrix degradation, abnormal chondrocyte death, hyperplasia of inflammatory synovium and bony. Osteoarthritis (OA) is a common clinical disease in orthopedics. Its typical manifestations are joint inflammation and pain caused by articular cartilage degeneration, but its pathogenesis has not been fully elucidated. Focusing on the physiological functions and pathological changes of chloride channels and pathophysiology of aseptic inflammation furthers the understanding of OA pathogenesis and provides possible targets for subsequent medication development.
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Affiliation(s)
- Zicong Lin
- Hand and Foot Surgery Department, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People’s Hospital, Shenzhen, Guangdong, 518035, People’s Republic of China
| | - Zhiqin Deng
- Hand and Foot Surgery Department, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People’s Hospital, Shenzhen, Guangdong, 518035, People’s Republic of China
| | - Jianquan Liu
- Hand and Foot Surgery Department, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People’s Hospital, Shenzhen, Guangdong, 518035, People’s Republic of China
| | - Zhongshi Lin
- Shenzhen Institute for Drug Control (Shenzhen Testing Center of Medical Devices), Shenzhen, Guangdong, 518057, People’s Republic of China
| | - Siyu Chen
- Department of Sports Medicine, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People’s Hospital, Shenzhen, Guangdong, 518035, People’s Republic of China
| | - Zhenhan Deng
- Department of Sports Medicine, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People’s Hospital, Shenzhen, Guangdong, 518035, People’s Republic of China
- Correspondence: Zhenhan Deng, Department of Sports Medicine, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People’s Hospital, 3002 Sungang West Road, Shenzhen City, 518025, People’s Republic of China, Tel +86 13928440786, Fax +86 755-83366388, Email
| | - Wencui Li
- Hand and Foot Surgery Department, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People’s Hospital, Shenzhen, Guangdong, 518035, People’s Republic of China
- Wencui Li, Department of Hand and Foot Surgery, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People’s Hospital, 3002 Sungang West Road, Shenzhen City, 518025, People’s Republic of China, Tel +86 13923750767, Email
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El-Masry OS, Alhawaj HA, Fagere MO, Owaidah AY, Alamri A, Alsamman K. Oral Intragastric DMBA Administration Induces Acute Lymphocytic Leukemia and Other Tumors in Male Wistar Rats. J Exp Pharmacol 2022; 14:87-96. [PMID: 35241938 PMCID: PMC8887968 DOI: 10.2147/jep.s349047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Accepted: 02/11/2022] [Indexed: 11/23/2022] Open
Affiliation(s)
- Omar S El-Masry
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Imam Abdulrahman Bin Faisal University, Dammam, 31441, Saudi Arabia
| | - Hussain Abdullah Alhawaj
- Animal House Facility, Institute for Research and Medical Consultations, Imam Abdulrahman Bin Faisal University, Dammam, 31441, Saudi Arabia
| | - Muaz O Fagere
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Imam Abdulrahman Bin Faisal University, Dammam, 31441, Saudi Arabia
| | - Amani Y Owaidah
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Imam Abdulrahman Bin Faisal University, Dammam, 31441, Saudi Arabia
| | - Aisha Alamri
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Imam Abdulrahman Bin Faisal University, Dammam, 31441, Saudi Arabia
| | - Khaldoon Alsamman
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Imam Abdulrahman Bin Faisal University, Dammam, 31441, Saudi Arabia
- Correspondence: Khaldoon Alsamman, Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Imam Abdulrahman Bin Faisal University, Dammam, 31441, Saudi Arabia, Email
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Bertuccio SN, Leardini D, Messelodi D, Anselmi L, Manente F, Ragni F, Serravalle S, Masetti R, Pession A. Are Induced Pluripotent Stem Cells a Step towards Modeling Pediatric Leukemias? Cells 2022; 11:cells11030476. [PMID: 35159287 PMCID: PMC8833985 DOI: 10.3390/cells11030476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 01/26/2022] [Accepted: 01/27/2022] [Indexed: 02/04/2023] Open
Abstract
Despite enormous improvements in pre-clinical and clinical research, acute leukemia still represents an open challenge for pediatric hematologists; both for a significant relapse rate and for long term therapy-related sequelae. In this context, the use of an innovative technology, such as induced pluripotent stem cells (iPSCs), allows to finely reproduce the primary features of the malignancy and can be exploited as a model to study the onset and development of leukemia in vitro. The aim of this review is to explore the recent literature describing iPSCs as a key tool to study different types of hematological malignancies, comprising acute myeloid leukemia, non-down syndrome acute megakaryoblastic leukemia, B cell acute lymphoblastic leukemia, and juvenile myelomonocytic leukemia. This model demonstrates a positive impact on pediatric hematological diseases, especially in those affecting infants whose onsets is found in fetal hematopoiesis. This evidence highlights the importance of achieving an in vitro representation of the human embryonic hematopoietic development and timing-specific modifications, either genetic or epigenetic. Moreover, further insights into clonal evolution studies shed light in the way of a new precision medicine era, where patient-oriented decisions and therapies could further improve the outcome of pediatric cases. Nonetheless, we will also discuss here the difficulties and limitations of this model.
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Affiliation(s)
- Salvatore Nicola Bertuccio
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, 40138 Bologna, Italy; (S.N.B.); (F.M.); (F.R.); (R.M.)
| | - Davide Leardini
- Specialty School of Pediatrics, University of Bologna, 40138 Bologna, Italy;
- Pediatric Oncology and Hematology Unit “Lalla Seràgnoli,” Pediatric Unit, IRCCS, Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy;
| | - Daria Messelodi
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, 40138 Bologna, Italy; (S.N.B.); (F.M.); (F.R.); (R.M.)
- Correspondence: (D.M.); (L.A.)
| | - Laura Anselmi
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, 40138 Bologna, Italy; (S.N.B.); (F.M.); (F.R.); (R.M.)
- Correspondence: (D.M.); (L.A.)
| | - Francesca Manente
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, 40138 Bologna, Italy; (S.N.B.); (F.M.); (F.R.); (R.M.)
| | - Federico Ragni
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, 40138 Bologna, Italy; (S.N.B.); (F.M.); (F.R.); (R.M.)
| | - Salvatore Serravalle
- Pediatric Oncology and Hematology Unit “Lalla Seràgnoli,” Pediatric Unit, IRCCS, Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy;
| | - Riccardo Masetti
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, 40138 Bologna, Italy; (S.N.B.); (F.M.); (F.R.); (R.M.)
- Pediatric Oncology and Hematology Unit “Lalla Seràgnoli,” Pediatric Unit, IRCCS, Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy;
| | - Andrea Pession
- Division of Pediatrics, IRCCS, Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy;
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Zeisig BB, Fung TK, Troadec E, So CWE. Reconstruction of Human AML Using Functionally and Immunophenotypically Defined Human Haematopoietic Stem and Progenitor Cells as Targeted Populations. Bio Protoc 2021; 11:e4262. [PMID: 35087921 PMCID: PMC8720524 DOI: 10.21769/bioprotoc.4262] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 09/17/2021] [Accepted: 10/01/2021] [Indexed: 02/11/2024] Open
Abstract
Acute myeloid leukaemia (AML) is a highly heterogenous blood cancer, in which the expansion of aberrant myeloid blood cells interferes with the generation and function of normal blood cells. Although key driver mutations and their associated inhibitors have been identified in the last decade, they have not been fully translated into better survival rates for AML patients, which remain dismal. In addition to DNA mutation, studies in mouse models strongly suggest that the cell of origin, where the driver mutation (such as MLL fusions) occurs, emerges as an additional factor that determines the treatment outcome in AML. To investigate its functional relevance in human disease, we have recently reported that AML driven by MLL fusions can transform immunophenotypically and functionally distinctive human hematopoietic stem cells (HSCs) or myeloid progenitors resulting in immunophenotypically indistinguishable human AML. Intriguingly, these cells display differential treatment sensitivities to current treatments, attesting the cell of origin as an important determinant governing treatment outcome for AML. To further facilitate this line of investigation, here we describe a comprehensive disease modelling protocol using human primary haematopoietic cells, which covers all the key steps, from the isolation of immunophenotypically defined human primary haematopoietic stem and progenitor populations, to oncogene transfer via viral transduction, the in vitro liquid culture assay, and finally the xenotransplantation into immunocompromised mice.
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Affiliation(s)
- Bernd B. Zeisig
- Leukaemia and Stem Cell Biology Group, School of Cancer and Pharmaceutical Sciences, King’s College London, London SE5 9NU, United Kingdom
- Department of Haematological Medicine, King’s College Hospital, London SE5 9RS, United Kingdom
| | - Tsz Kan Fung
- Leukaemia and Stem Cell Biology Group, School of Cancer and Pharmaceutical Sciences, King’s College London, London SE5 9NU, United Kingdom
- Department of Haematological Medicine, King’s College Hospital, London SE5 9RS, United Kingdom
| | - Estelle Troadec
- Leukaemia and Stem Cell Biology Group, School of Cancer and Pharmaceutical Sciences, King’s College London, London SE5 9NU, United Kingdom
| | - Chi Wai Eric So
- Leukaemia and Stem Cell Biology Group, School of Cancer and Pharmaceutical Sciences, King’s College London, London SE5 9NU, United Kingdom
- Department of Haematological Medicine, King’s College Hospital, London SE5 9RS, United Kingdom
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25
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Pissarra MF, Torello CO, Gomes RGB, Shiraishi RN, Santos I, Vieira Ferro KP, Lopes MR, Bergamo Favaro PM, Olalla Saad ST, Lazarini M. Arhgap21 Deficiency Results in Increase of Osteoblastic Lineage Cells in the Murine Bone Marrow Microenvironment. Front Cell Dev Biol 2021; 9:718560. [PMID: 34917608 PMCID: PMC8670086 DOI: 10.3389/fcell.2021.718560] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Accepted: 11/08/2021] [Indexed: 11/13/2022] Open
Abstract
ARHGAP21 is a member of the RhoGAP family of proteins involved in cell growth, differentiation, and adhesion. We have previously shown that the heterozygous Arhgap21 knockout mouse model (Arhgap21+/-) presents several alterations in the hematopoietic compartment, including increased frequency of hematopoietic stem and progenitor cells (HSPC) with impaired adhesion in vitro, increased mobilization to peripheral blood, and decreased engraftment after bone marrow transplantation. Although these HSPC functions strongly depend on their interactions with the components of the bone marrow (BM) niche, the role of ARHGAP21 in the marrow microenvironment has not yet been explored. In this study, we investigated the composition and function of the BM microenvironment in Arhgap21+/- mice. The BM of Arhgap21+/- mice presented a significant increase in the frequency of phenotypic osteoblastic lineage cells, with no differences in the frequencies of multipotent stromal cells or endothelial cells when compared to the BM of wild type mice. Arhgap21+/- BM cells had increased capacity of generating osteogenic colony-forming units (CFU-OB) in vitro and higher levels of osteocalcin were detected in the Arhgap21+/- BM supernatant. Increased expression of Col1a1, Ocn and decreased expression of Trap1 were observed after osteogenic differentiation of Arhgap21+/- BM cells. In addition, Arhgap21+/- mice recipients of normal BM cells showed decreased leucocyte numbers during transplantation recovery. Our data suggest participation of ARHGAP21 in the balanced composition of the BM microenvironment through the regulation of osteogenic differentiation.
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Affiliation(s)
| | | | | | | | - Irene Santos
- Hematology and Hemotherapy Center, University of Campinas, São Paulo, Brazil
| | | | | | - Patricia Maria Bergamo Favaro
- Hematology and Hemotherapy Center, University of Campinas, São Paulo, Brazil.,Institute of Environmental, Chemical and Pharmaceutical Sciences-Federal University of São Paulo, São Paulo, Brazil
| | | | - Mariana Lazarini
- Hematology and Hemotherapy Center, University of Campinas, São Paulo, Brazil.,Institute of Environmental, Chemical and Pharmaceutical Sciences-Federal University of São Paulo, São Paulo, Brazil
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Mouse Models of Frequently Mutated Genes in Acute Myeloid Leukemia. Cancers (Basel) 2021; 13:cancers13246192. [PMID: 34944812 PMCID: PMC8699817 DOI: 10.3390/cancers13246192] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 11/24/2021] [Accepted: 11/30/2021] [Indexed: 01/19/2023] Open
Abstract
Acute myeloid leukemia is a clinically and biologically heterogeneous blood cancer with variable prognosis and response to conventional therapies. Comprehensive sequencing enabled the discovery of recurrent mutations and chromosomal aberrations in AML. Mouse models are essential to study the biological function of these genes and to identify relevant drug targets. This comprehensive review describes the evidence currently available from mouse models for the leukemogenic function of mutations in seven functional gene groups: cell signaling genes, epigenetic modifier genes, nucleophosmin 1 (NPM1), transcription factors, tumor suppressors, spliceosome genes, and cohesin complex genes. Additionally, we provide a synergy map of frequently cooperating mutations in AML development and correlate prognosis of these mutations with leukemogenicity in mouse models to better understand the co-dependence of mutations in AML.
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Sidhu I, Barwe SP, Pillai RK, Gopalakrishnapillai A. Harnessing the Power of Induced Pluripotent Stem Cells and Gene Editing Technology: Therapeutic Implications in Hematological Malignancies. Cells 2021; 10:2698. [PMID: 34685678 PMCID: PMC8534597 DOI: 10.3390/cells10102698] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 10/06/2021] [Accepted: 10/07/2021] [Indexed: 12/16/2022] Open
Abstract
In vitro modeling of hematological malignancies not only provides insights into the influence of genetic aberrations on cellular and molecular mechanisms involved in disease progression but also aids development and evaluation of therapeutic agents. Owing to their self-renewal and differentiation capacity, induced pluripotent stem cells (iPSCs) have emerged as a potential source of short in supply disease-specific human cells of the hematopoietic lineage. Patient-derived iPSCs can recapitulate the disease severity and spectrum of prognosis dictated by the genetic variation among patients and can be used for drug screening and studying clonal evolution. However, this approach lacks the ability to model the early phases of the disease leading to cancer. The advent of genetic editing technology has promoted the generation of precise isogenic iPSC disease models to address questions regarding the underlying genetic mechanism of disease initiation and progression. In this review, we discuss the use of iPSC disease modeling in hematological diseases, where there is lack of patient sample availability and/or difficulty of engraftment to generate animal models. Furthermore, we describe the power of combining iPSC and precise gene editing to elucidate the underlying mechanism of initiation and progression of various hematological malignancies. Finally, we discuss the power of iPSC disease modeling in developing and testing novel therapies in a high throughput setting.
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Affiliation(s)
- Ishnoor Sidhu
- Nemours Centers for Childhood Cancer Research and Cancer & Blood Disorders, Nemours Children’s Health, Wilmington, DE 19803, USA; (I.S.); (S.P.B.)
- Department of Biological Sciences, University of Delaware, Newark, DE 19711, USA
| | - Sonali P. Barwe
- Nemours Centers for Childhood Cancer Research and Cancer & Blood Disorders, Nemours Children’s Health, Wilmington, DE 19803, USA; (I.S.); (S.P.B.)
- Department of Biological Sciences, University of Delaware, Newark, DE 19711, USA
| | - Raju K. Pillai
- National Medical Center, Department of Pathology, City of Hope, Duarte, CA 91105, USA;
| | - Anilkumar Gopalakrishnapillai
- Nemours Centers for Childhood Cancer Research and Cancer & Blood Disorders, Nemours Children’s Health, Wilmington, DE 19803, USA; (I.S.); (S.P.B.)
- Department of Biological Sciences, University of Delaware, Newark, DE 19711, USA
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High-fat diet intensifies MLL-AF9-induced acute myeloid leukemia through activation of the FLT3 signaling in mouse primitive hematopoietic cells. Sci Rep 2020; 10:16187. [PMID: 32999332 PMCID: PMC7528010 DOI: 10.1038/s41598-020-73020-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 08/20/2020] [Indexed: 01/07/2023] Open
Abstract
Using a MLL-AF9 knock-in mouse model, we discovered that consumption of a high-fat diet (HFD) accelerates the risk of developing acute myeloid leukemia (AML). This regimen increases the clusterization of FLT3 within lipid rafts on the cell surface of primitive hematopoietic cells, which overactivates this receptor as well as the downstream JAK/STAT signaling known to enhance the transformation of MLL-AF9 knock-in cells. Treatment of mice on a HFD with Quizartinib, a potent inhibitor of FLT3 phosphorylation, inhibits the JAK3/STAT3, signaling and finally antagonizes the accelerated development of AML that occurred following the HFD regimen. We can therefore conclude that, on a mouse model of AML, a HFD enforces the FLT3 signaling pathway on primitive hematopoietic cells and, in turn, improves the oncogenic transformation of MLL-AF9 knock-in cells and the leukemia initiation.
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29
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Rapid Generation of Leukemogenic Chromosomal Translocations in Vivo Using CRISPR/Cas9. Hemasphere 2020; 4:e456. [PMID: 33134860 PMCID: PMC7544329 DOI: 10.1097/hs9.0000000000000456] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Accepted: 06/22/2020] [Indexed: 11/25/2022] Open
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Establishment of a High-risk MDS/AML Cell Line YCU-AML1 and its Xenograft Model Harboring t(3;3) and Monosomy 7. Hemasphere 2020; 4:e469. [PMID: 33163905 PMCID: PMC7643909 DOI: 10.1097/hs9.0000000000000469] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Accepted: 07/20/2020] [Indexed: 11/27/2022] Open
Abstract
Acute myeloid leukemia (AML) or myelodysplastic syndromes (MDS) with both inv(3)(q21q26.2)/t(3;3)(q21;q26.2) and monosomy 7 defines an extremely aggressive myeloid cancer whose molecular pathogenesis and optimal therapeutic strategy still remain unclear. We established a new MDS/AML cell line, YCU-AML1, and its patient-derived xenograft (PDX) model from a high-risk MDS patient who later transformed into AML harboring both t(3;3)(q21;q26.2) and monosomy 7. YCU-AML1 cells propagated in co-culture system with stromal cells in granulocyte macrophage colony-stimulating factor (GM-CSF)-dependent manner. CD34+ bone marrow cells derived from our PDX model showed high EVI1 and low GATA2 expression. Moreover, mutational profile of our MDS/AML model was consistent with recently published mutational spectrum of myeloid malignancies with inv(3)/t(3;3). These data suggest that YCU-AML1 cells and its MDS/AML model strongly mimics a high-risk human myeloid cancer with inv(3)(q21q26.2)/t(3;3)(q21;q26.2) and monosomy 7 in terms of both clinical phenotype and molecular basis. We believe our model can be used as a feasible tool to further explore molecular pathogenesis and novel treatment strategy of high-risk MDS/AML with t(3;3)(q21;q26.2) and monosomy 7.
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Li Z, Philip M, Ferrell PB. Alterations of T-cell-mediated immunity in acute myeloid leukemia. Oncogene 2020; 39:3611-3619. [PMID: 32127646 PMCID: PMC7234277 DOI: 10.1038/s41388-020-1239-y] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Revised: 02/14/2020] [Accepted: 02/20/2020] [Indexed: 01/02/2023]
Abstract
Acute myeloid leukemia (AML) is a systemic, heterogeneous hematologic malignancy with poor overall survival. While some malignancies have seen improvements in clinical outcomes with immunotherapy, success of these agents in AML remains elusive. Despite limited progress, stem cell transplantation and donor lymphocyte infusions show that modulation of the immune system can improve overall survival of AML patients. Understanding the causes of immune evasion and disease progression will identify potential immune-mediated targets in AML. This review explores immunosuppressive mechanisms that alter T-cell-mediated immunity in AML.
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Affiliation(s)
- Zhuoyan Li
- Department of Medicine, Division of Hematology and Oncology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Mary Philip
- Department of Medicine, Division of Hematology and Oncology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - P. Brent Ferrell
- Department of Medicine, Division of Hematology and Oncology, Vanderbilt University Medical Center, Nashville, TN, USA
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The Role of MYC and PP2A in the Initiation and Progression of Myeloid Leukemias. Cells 2020; 9:cells9030544. [PMID: 32110991 PMCID: PMC7140463 DOI: 10.3390/cells9030544] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 02/23/2020] [Accepted: 02/24/2020] [Indexed: 12/18/2022] Open
Abstract
The MYC transcription factor is one of the best characterized PP2A substrates. Deregulation of the MYC oncogene, along with inactivation of PP2A, are two frequent events in cancer. Both proteins are essential regulators of cell proliferation, apoptosis, and differentiation, and they, directly and indirectly, regulate each other’s activity. Studies in cancer suggest that targeting the MYC/PP2A network is an achievable strategy for the clinic. Here, we focus on and discuss the role of MYC and PP2A in myeloid leukemias.
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Abstract
PURPOSE OF REVIEW The current review aims to highlight the frequency of RAS mutations in pediatric leukemias and solid tumors and to propose strategies for targeting oncogenic RAS in pediatric cancers. RECENT FINDINGS The three RAS genes (HRAS, NRAS, and KRAS) comprise the most frequently mutated oncogene family in human cancer. RAS mutations are commonly observed in three of the leading causes of cancer death in the United States, namely lung cancer, pancreatic cancer, and colorectal cancer. The association of RAS mutations with these aggressive malignancies inspired the creation of the National Cancer Institute RAS initiative and spurred intense efforts to develop strategies to inhibit oncogenic RAS, with much recent success. RAS mutations are frequently observed in pediatric cancers; however, recent advances in anti-RAS drug development have yet to translate into pediatric clinical trials. SUMMARY We find that RAS is mutated in common and rare pediatric malignancies and that oncogenic RAS confers a functional dependency in these cancers. Many strategies for targeting RAS are being pursued for malignancies that primarily affect adults and there is a clear need for inclusion of pediatric patients in clinical trials of these agents.
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Acute Myeloid Leukemia: Aging and Epigenetics. Cancers (Basel) 2019; 12:cancers12010103. [PMID: 31906064 PMCID: PMC7017261 DOI: 10.3390/cancers12010103] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 12/23/2019] [Accepted: 12/27/2019] [Indexed: 12/15/2022] Open
Abstract
Acute myeloid leukemia (AML) is an aggressive hematological disorder mainly affecting people of older age. AML initiation is primarily attributed to mutations in crucial cellular regulators such as epigenetic factors, transcription factors, and signaling genes. AML’s aggressiveness and responsiveness to treatment depends on the specific cell type where leukemia first arose. Aged hematopoietic cells are often genetically and/or epigenetically altered and, therefore, present with a completely different cellular context for AML development compared to young cells. In this review, we summarize key aspects of AML development, and we focus, in particular, on the contribution of cellular aging to leukemogenesis and on current treatment options for elderly AML patients. Hematological disorders and leukemia grow exponentially with age. So far, with conventional induction therapy, many elderly patients experience a very poor overall survival rate requiring substantial social and medical costs during the relatively few remaining months of life. The global population’s age is increasing rapidly without an acceptable equal growth in therapeutic management of AML in the elderly; this is in sharp contrast to the increase in successful therapies for leukemia in younger patients. Therefore, a focus on the understanding of the biology of aging in the hematopoietic system, the development of appropriate research models, and new therapeutic approaches are urged.
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Mejia-Ramirez E, Florian MC. Understanding intrinsic hematopoietic stem cell aging. Haematologica 2019; 105:22-37. [PMID: 31806687 PMCID: PMC6939535 DOI: 10.3324/haematol.2018.211342] [Citation(s) in RCA: 76] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Accepted: 11/14/2019] [Indexed: 01/03/2023] Open
Abstract
Hematopoietic stem cells (HSC) sustain blood production over the entire life-span of an organism. It is of extreme importance that these cells maintain self-renewal and differentiation potential over time in order to preserve homeostasis of the hematopoietic system. Many of the intrinsic aspects of HSC are affected by the aging process resulting in a deterioration in their potential, independently of their microenvironment. Here we review recent findings characterizing most of the intrinsic aspects of aged HSC, ranging from phenotypic to molecular alterations. Historically, DNA damage was thought to be the main cause of HSC aging. However, over recent years, many new findings have defined an increasing number of biological processes that intrinsically change with age in HSC. Epigenetics and chromatin architecture, together with autophagy, proteostasis and metabolic changes, and how they are interconnected, are acquiring growing importance for understanding the intrinsic aging of stem cells. Given the increase in populations of older subjects worldwide, and considering that aging is the primary risk factor for most diseases, understanding HSC aging becomes particularly relevant also in the context of hematologic disorders, such as myelodysplastic syndromes and acute myeloid leukemia. Research on intrinsic mechanisms responsible for HSC aging is providing, and will continue to provide, new potential molecular targets to possibly ameliorate or delay aging of the hematopoietic system and consequently improve the outcome of hematologic disorders in the elderly. The niche-dependent contributions to hematopoietic aging are discussed in another review in this same issue of the Journal.
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Affiliation(s)
- Eva Mejia-Ramirez
- Center for Regenerative Medicine in Barcelona (CMRB), Bellvitge Institute for Biomedical Research (IDIBELL), Barcelona, Spain.,Center for Networked Biomedical Research on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Madrid, 28029, Spain
| | - Maria Carolina Florian
- Center for Regenerative Medicine in Barcelona (CMRB), Bellvitge Institute for Biomedical Research (IDIBELL), Barcelona, Spain .,Institute of Molecular Medicine and Stem Cell Aging, Ulm University, Ulm, Germany EM-R and MCF contributed equally to this work
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Barcia Durán JG, Lis R, Rafii S. Haematopoietic stem cell reprogramming and the hope for a universal blood product. FEBS Lett 2019; 593:3253-3265. [PMID: 31725897 DOI: 10.1002/1873-3468.13681] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 10/31/2019] [Accepted: 11/12/2019] [Indexed: 12/13/2022]
Abstract
Haematopoietic stem cells (HSCs) are the only adult stem cells with a demonstrated clinical use, even though a tractable method to maintain and expand human HSCs in vitro has not yet been found. Owing to the introduction of transplantation strategies for the treatment of haematological malignancies and, more recently, the promise of gene therapy, the need to improve the generation, manipulation and scalability of autologous or allogeneic HSCs has risen steeply over the past decade. In that context, reprogramming strategies based on the expression of exogenous transcription factors have emerged as a means to produce functional HSCs in vitro. These approaches largely stem from the assumption that key master transcription factors direct the expression of downstream target genes thereby triggering haematopoiesis. Both somatic and pluripotent cells have been used to this end, yielding variable results in terms of haematopoietic phenotype and functionality. Here, we present an overview of the haematopoietic reprogramming methods reported to date, provide the appropriate historical context and offer some critical insight about where the field stands at present.
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Affiliation(s)
- José Gabriel Barcia Durán
- Division of Regenerative Medicine, Department of Medicine, Ansary Stem Cell Institute, Weill Cornell Medicine, New York, NY, USA
| | - Raphaël Lis
- Division of Regenerative Medicine, Department of Medicine, Ansary Stem Cell Institute, Weill Cornell Medicine, New York, NY, USA.,Ronald O. Perelman and Claudia Cohen Center for Reproductive Medicine and Infertility, Weill Cornell Medicine, New York, NY, USA
| | - Shahin Rafii
- Division of Regenerative Medicine, Department of Medicine, Ansary Stem Cell Institute, Weill Cornell Medicine, New York, NY, USA
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Shi Y, Su X, Cui H, Yu L, Du H, Han Y. Combination of quercetin and Adriamycin effectively suppresses the growth of refractory acute leukemia. Oncol Lett 2019; 18:153-160. [PMID: 31289484 DOI: 10.3892/ol.2019.10299] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Accepted: 03/18/2019] [Indexed: 02/07/2023] Open
Abstract
The present study aimed to investigate the effect of combined treatment with quercetin and Adriamycin (doxorubicin) on the development of refractory acute leukemia. Primary leukemic cells were isolated from patients with refractory drug-resistant acute leukemia. The Cell Counting Kit-8 assay was used to detect the proliferation of cells treated with a range of doses of Adriamycin, quercetin and a combination of the two drugs. Non-irradiated mice were used to establish a T cell acute lymphoblastic leukemia (T-ALL) model, which was subsequently treated with Adriamycin, quercetin and a combination of the two drugs. The survival time was recorded, and white and red blood cells and platelets in mouse peripheral blood were counted. Superoxide dismutase (SOD) activity and malondialdehyde (MDA) content of cardiac tissues were measured as indicators of oxidative stress and damage. Proliferation of primary leukemic cells was reduced by Adriamycin depending on the dose (0.06, 0.6 or 6 µg/ml) and treatment duration (24, 48 or 72 h) compared with the vehicle treated group. Co-treatment with quercetin achieved a similar suppression of leukemic cell proliferation when a lower dose of Adriamycin (0.03, 0.3 or 3 µg/ml) was administered for the same duration. The survival of non-irradiated mice with T-ALL was improved by co-treatment with a high dose of Adriamycin and quercetin compared with either treatment alone. Compared with treatment with Adriamycin alone, the combined treatment with Adriamycin and quercetin significantly enhanced the SOD activity and reduced the MDA content in the heart. Therefore, quercetin may enhance the effects of Adriamycin on refractory acute leukemia.
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Affiliation(s)
- Yingxu Shi
- Department of Laboratory Medicine, The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia Autonomous Region 010050, P.R. China
| | - Xiaotian Su
- Department of Hematology, The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia Autonomous Region 010050, P.R. China
| | - Hongwei Cui
- Department of Clinical Medical Research Center, The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia Autonomous Region 010050, P.R. China
| | - Lei Yu
- Department of Pharmacy, The Inner Mongolia Autonomous Region Hospital of Traditional Chinese Medicine, Hohhot, Inner Mongolia Autonomous Region 010020, P.R. China
| | - Hua Du
- Department of Pathology, Inner Mongolia Medical University, Hohhot, Inner Mongolia Autonomous Region 010030, P.R. China.,Department of Pathology, The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia Autonomous Region 010050, P.R. China
| | - Yanqiu Han
- Department of Laboratory Medicine, The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia Autonomous Region 010050, P.R. China
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Mercher T, Schwaller J. Pediatric Acute Myeloid Leukemia (AML): From Genes to Models Toward Targeted Therapeutic Intervention. Front Pediatr 2019; 7:401. [PMID: 31681706 PMCID: PMC6803505 DOI: 10.3389/fped.2019.00401] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2019] [Accepted: 09/17/2019] [Indexed: 12/20/2022] Open
Abstract
This review aims to provide an overview of the current knowledge of the genetic lesions driving pediatric acute myeloid leukemia (AML), emerging biological concepts, and strategies for therapeutic intervention. Hereby, we focus on lesions that preferentially or exclusively occur in pediatric patients and molecular markers of aggressive disease with often poor outcome including fusion oncogenes that involve epigenetic regulators like KMT2A, NUP98, or CBFA2T3, respectively. Functional studies were able to demonstrate cooperation with signaling mutations leading to constitutive activation of FLT3 or the RAS signal transduction pathways. We discuss the issues faced to faithfully model pediatric acute leukemia in mice. Emerging experimental evidence suggests that the disease phenotype is dependent on the appropriate expression and activity of the driver fusion oncogenes during a particular window of opportunity during fetal development. We also highlight biochemical studies that deciphered some molecular mechanisms of malignant transformation by KMT2A, NUP98, and CBFA2T3 fusions, which, in some instances, allowed the development of small molecules with potent anti-leukemic activities in preclinical models (e.g., inhibitors of the KMT2A-MENIN interaction). Finally, we discuss other potential therapeutic strategies that not only target driver fusion-controlled signals but also interfere with the transformed cell state either by exploiting the primed apoptosis or vulnerable metabolic states or by increasing tumor cell recognition and elimination by the immune system.
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Affiliation(s)
- Thomas Mercher
- INSERM U1170, Equipe Labellisée Ligue Contre le Cancer, Gustave Roussy Institute, Université Paris Diderot, Université Paris-Sud, Villejuif, France
| | - Juerg Schwaller
- Department of Biomedicine, University Children's Hospital Beider Basel (UKBB), University of Basel, Basel, Switzerland
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