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Liu E, Chen Y, Qin M, Yue K, Sun S, Jiang Y, Li X. Design, synthesis, and biological activity evaluation of novel HDAC3 selective inhibitors for combination with Venetoclax against acute myeloid leukemia. Eur J Med Chem 2024; 276:116663. [PMID: 39047608 DOI: 10.1016/j.ejmech.2024.116663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2024] [Revised: 06/26/2024] [Accepted: 07/05/2024] [Indexed: 07/27/2024]
Abstract
Histone deacetylases (HDACs) are highly attractive targets in the drug development process, and the development of subtype-selective HDAC inhibitors is the research direction for HDAC inhibitors. As an important member of the HDAC family, HDAC3 has been found to be closely related to the pathological progression of many diseases due to its abnormal expression. In previous studies, we discovered compound 13a, which has potent inhibitory activity against HDAC1, 2, and 3. In this work, we improved the HDAC3 isotype selectivity of 13a, and obtained compound 9c through rational drug design. 9c shows a selectivity of 71 fold for HDAC3 over HDAC1 and can significantly inhibit the proliferation activity of MV4-11 cells in vitro. Furthermore, when combined with Venetoclax, 9c can effectively induce apoptosis in MV4-11 cells in vitro and reduce the expression of anti-apoptotic proteins, the development of HDAC3 selective inhibitors may serve as a potential lead compound to reverse Venetoclax resistance.
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MESH Headings
- Humans
- Histone Deacetylase Inhibitors/pharmacology
- Histone Deacetylase Inhibitors/chemical synthesis
- Histone Deacetylase Inhibitors/chemistry
- Histone Deacetylases/metabolism
- Sulfonamides/pharmacology
- Sulfonamides/chemistry
- Sulfonamides/chemical synthesis
- Drug Design
- Bridged Bicyclo Compounds, Heterocyclic/pharmacology
- Bridged Bicyclo Compounds, Heterocyclic/chemistry
- Bridged Bicyclo Compounds, Heterocyclic/chemical synthesis
- Antineoplastic Agents/pharmacology
- Antineoplastic Agents/chemical synthesis
- Antineoplastic Agents/chemistry
- Cell Proliferation/drug effects
- Structure-Activity Relationship
- Leukemia, Myeloid, Acute/drug therapy
- Leukemia, Myeloid, Acute/pathology
- Apoptosis/drug effects
- Drug Screening Assays, Antitumor
- Molecular Structure
- Cell Line, Tumor
- Dose-Response Relationship, Drug
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Affiliation(s)
- Enqiang Liu
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao, 266003, China
| | - Yuxin Chen
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao, 266003, China
| | - Mengting Qin
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao, 266003, China
| | - Kairui Yue
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao, 266003, China
| | - Simin Sun
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao, 266003, China
| | - Yuqi Jiang
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao, 266003, China
| | - Xiaoyang Li
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao, 266003, China.
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2
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Aumer T, Däther M, Bergmayr L, Kartika S, Zeng T, Ge Q, Giorgio G, Hess AJ, Michalakis S, Traube FR. The type of DNA damage response after decitabine treatment depends on the level of DNMT activity. Life Sci Alliance 2024; 7:e202302437. [PMID: 38906675 PMCID: PMC11192838 DOI: 10.26508/lsa.202302437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 06/08/2024] [Accepted: 06/11/2024] [Indexed: 06/23/2024] Open
Abstract
Decitabine and azacytidine are considered as epigenetic drugs that induce DNA methyltransferase (DNMT)-DNA crosslinks, resulting in DNA hypomethylation and damage. Although they are already applied against myeloid cancers, important aspects of their mode of action remain unknown, highly limiting their clinical potential. Using a combinatorial approach, we reveal that the efficacy profile of both compounds primarily depends on the level of induced DNA damage. Under low DNMT activity, only decitabine has a substantial impact. Conversely, when DNMT activity is high, toxicity and cellular response to both compounds are dramatically increased, but do not primarily depend on DNA hypomethylation or RNA-associated processes. By investigating proteome dynamics on chromatin, we show that decitabine induces a strictly DNMT-dependent multifaceted DNA damage response based on chromatin recruitment, but not expression-level changes of repair-associated proteins. The choice of DNA repair pathway hereby depends on the severity of decitabine-induced DNA lesions. Although under moderate DNMT activity, mismatch (MMR), base excision (BER), and Fanconi anaemia-dependent DNA repair combined with homologous recombination are activated in response to decitabine, high DNMT activity and therefore immense replication stress induce activation of MMR and BER followed by non-homologous end joining.
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Affiliation(s)
- Tina Aumer
- Institute of Chemical Epigenetics Munich, Department of Chemistry, University of Munich (LMU), München, Germany
- https://ror.org/02kkvpp62 TUM School of Natural Sciences, Technical University of Munich (TUM), München, Germany
| | - Maike Däther
- Institute of Chemical Epigenetics Munich, Department of Chemistry, University of Munich (LMU), München, Germany
- https://ror.org/02kkvpp62 TUM School of Natural Sciences, Technical University of Munich (TUM), München, Germany
| | - Linda Bergmayr
- https://ror.org/02kkvpp62 TUM School of Natural Sciences, Technical University of Munich (TUM), München, Germany
| | - Stephanie Kartika
- Department of Biochemistry, University of Munich (LMU), München, Germany
| | - Theodor Zeng
- https://ror.org/02kkvpp62 TUM School of Natural Sciences, Technical University of Munich (TUM), München, Germany
| | - Qingyi Ge
- https://ror.org/02kkvpp62 TUM School of Natural Sciences, Technical University of Munich (TUM), München, Germany
| | - Grazia Giorgio
- Department of Ophthalmology, University Hospital LMU Munich, München, Germany
| | - Alexander J Hess
- https://ror.org/02kkvpp62 TUM School of Natural Sciences, Technical University of Munich (TUM), München, Germany
| | | | - Franziska R Traube
- Institute of Chemical Epigenetics Munich, Department of Chemistry, University of Munich (LMU), München, Germany
- https://ror.org/02kkvpp62 TUM School of Natural Sciences, Technical University of Munich (TUM), München, Germany
- Institute of Biochemistry and Technical Biochemistry, University of Stuttgart, Stuttgart, Germany
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3
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Chai Y, Sun X, Zhou Q, Li H, Xi Y. Exploration of the mechanism of fraxetin in treating acute myeloid leukemia based on network pharmacology and experimental verification. Heliyon 2024; 10:e34717. [PMID: 39166080 PMCID: PMC11334658 DOI: 10.1016/j.heliyon.2024.e34717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2024] [Revised: 07/14/2024] [Accepted: 07/15/2024] [Indexed: 08/22/2024] Open
Abstract
Objective To explore the pharmacological mechanism of the effect of fraxetin in treating acute myeloid leukemia (AML) by the network pharmacology method combined with experimental validation. Methods The targets of fraxetin were identified through Swisstarget prediction, PhammerMap, and CTDBASE. Disease-related targets of AML were explored using GeneCards and DisGenet databases, and the intersected targets were analyzed in the String website to construct a protein-protein interaction (PPI) network. Subsequently, gene ontology (GO) functional enrichment and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment were conducted using the DAVID database. Molecular docking of core proteins with drugs was performed using Auto Dock Vina software. Finally, the effect of fraxetin on AML was evaluated by in vitro experiments. The effect of fraxetin on AML cell proliferation was assessed by CCK8, the effect of fraxetin on AML cell apoptosis was assessed by flow cytometry, and the expression of relevant protein targets was detected by Western blotting to evaluate the anti-AML effect of fraxetin. Results In this study, fraxetin exerts its effect against AML through 101 intersecting genes. The pathway enrichment analysis revealed that the pharmacological effects of fraxetin on AML were related to the Adenosine 5'-monophosphate (AMP)-activated protein kinase (AMPK) signaling pathway, and the molecular docking results indicated that fraxetin had an excellent binding affinity to both the core target and AMPK. In vitro experiments have demonstrated that fraxetin inhibited the proliferation and induced apoptosis of THP1 and HL60 cells, and the western blotting results indicated that the p-AMPK of the fraxetin intervention group was significantly changed in a dose-dependent manner. Conclusion Fraxetin may modulate the AMPK signal pathway by interactine with the core target, thereby potentially therapeutic effect on AML.
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Affiliation(s)
- Yihong Chai
- The First Clinical Medical College of Lanzhou University, Lanzhou 730000, Gansu, People's Republic of China
| | - Xiaohong Sun
- The First Clinical Medical College of Lanzhou University, Lanzhou 730000, Gansu, People's Republic of China
| | - Qi Zhou
- The First Clinical Medical College of Lanzhou University, Lanzhou 730000, Gansu, People's Republic of China
| | - Hongxing Li
- The First Clinical Medical College of Lanzhou University, Lanzhou 730000, Gansu, People's Republic of China
| | - Yaming Xi
- The First Clinical Medical College of Lanzhou University, Lanzhou 730000, Gansu, People's Republic of China
- Department of Hematology, First Hospital of Lanzhou University, Lanzhou 730000, Gansu, People's Republic of China
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4
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DeRatt LG, Zhang Z, Pietsch C, Cisar JS, Zhang X, Wang W, Tanner A, Matico R, Shaffer P, Jacoby E, Kazmi F, Shukla N, Bush TL, Patrick A, Philippar U, Attar R, Edwards JP, Kuduk SD. Discovery of JNJ-74856665: A Novel Isoquinolinone DHODH Inhibitor for the Treatment of AML. J Med Chem 2024; 67:11254-11272. [PMID: 38889244 DOI: 10.1021/acs.jmedchem.4c00809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/20/2024]
Abstract
Acute myelogenous leukemia (AML), a heterogeneous disease of the blood and bone marrow, is characterized by the inability of myeloblasts to differentiate into mature cell types. Dihydroorotate dehydrogenase (DHODH) is an enzyme well-known in the pyrimidine biosynthesis pathway and preclinical findings demonstrated that DHODH is a metabolic vulnerability in AML as inhibitors can induce differentiation across multiple AML subtypes. As a result of virtual screening and structure-based drug design approaches, a novel series of isoquinolinone DHODH inhibitors was identified. Further lead optimization afforded JNJ-74856665 as an orally bioavailable, potent, and selective DHODH inhibitor with favorable physicochemical properties selected for clinical development in patients with AML and myelodysplastic syndromes (MDS).
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Affiliation(s)
- Lindsey G DeRatt
- Janssen Research and Development, Spring House, Pennsylvania 19477, United States
| | - Zhuming Zhang
- Janssen Research and Development, Spring House, Pennsylvania 19477, United States
| | - Christine Pietsch
- Janssen Research and Development, Spring House, Pennsylvania 19477, United States
| | - Justin S Cisar
- Janssen Research and Development, Spring House, Pennsylvania 19477, United States
| | - Xiaochun Zhang
- Janssen Research and Development, Spring House, Pennsylvania 19477, United States
| | - Weixue Wang
- Janssen Research and Development, Spring House, Pennsylvania 19477, United States
| | - Alexandra Tanner
- Janssen Research and Development, Spring House, Pennsylvania 19477, United States
| | - Rosalie Matico
- Janssen Research and Development, Spring House, Pennsylvania 19477, United States
| | - Paul Shaffer
- Janssen Research and Development, Spring House, Pennsylvania 19477, United States
| | - Edgar Jacoby
- Janssen Research and Development, Turnhoutseweg 30, B-2340 Beerse, Belgium
| | - Faraz Kazmi
- Janssen Research and Development, Spring House, Pennsylvania 19477, United States
| | - Neetu Shukla
- Janssen Research and Development, Spring House, Pennsylvania 19477, United States
| | - Tammy L Bush
- Janssen Research and Development, Spring House, Pennsylvania 19477, United States
| | - Aaron Patrick
- Janssen Research and Development, Spring House, Pennsylvania 19477, United States
| | - Ulrike Philippar
- Janssen Research and Development, Turnhoutseweg 30, B-2340 Beerse, Belgium
| | - Ricardo Attar
- Janssen Research and Development, Spring House, Pennsylvania 19477, United States
| | - James P Edwards
- Janssen Research and Development, Spring House, Pennsylvania 19477, United States
| | - Scott D Kuduk
- Janssen Research and Development, Spring House, Pennsylvania 19477, United States
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5
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Saeed RH, Abdulrahman ZFA, Mohammad DK. The impact of COVID-19 on microRNA and CD marker expression in AML patients. Sci Rep 2024; 14:14251. [PMID: 38902412 PMCID: PMC11190249 DOI: 10.1038/s41598-024-64775-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Accepted: 06/12/2024] [Indexed: 06/22/2024] Open
Abstract
Acute myeloid leukaemia (AML) is an aggressive leukaemia characterised by uncontrolled blast cell proliferation. miRNAs and Clusters of Differentiation (CD) molecules play essential roles in AML progression. This study aims to investigate the effect of COVID-19 on the expression of circulating miRNA and CD molecules in AML. This cross-sectional study recruited 32 AML patients and 20 controls. Blood samples were collected and analysed using molecular cytogenetic, miRNA/mRNA expression, and flow cytometry techniques. The expression of miRNAs varied significantly between patients with AML and control individuals. The co-expression of these miRNAs was higher (P < 0.05), indicating that the presence of one miRNA led to increased expression of other miRNAs. A differential correlation was observed between miRNAs and CD markers. Additionally, miRNA 16, miRNA 21, and miRNA 221 showed significant downregulation (P < 0.05 and P < 0.01, respectively) in AML patients with COVID-19 infection compared to those without a disease. Interestingly, this study identified a higher expression level (P < 0.01) of miRNA 137 as a novel biomarker for AML patients. Moreover, the expression of miRNA 137 showed a high correlation (P < 0.05) with most of the CD markers examined in this study and FISH features data. Furthermore, a strong correlation (P < 0.01) was observed between CD markers and miRNA among AML patients with positive and negative COVID-19 infection. These data demonstrated that COVID-19 contributed to increased expression of microRNAs in AML patients. MicroRNA 137 was identified as a novel microRNA that exhibited significant differences between patients and healthy individuals, highlighting its role in AML pathogenesis.
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Affiliation(s)
- Rastee H Saeed
- Department of Biology, College of Education, Salahaddin University-Erbil, Erbil, Kurdistan Region, Iraq
| | | | - Dara K Mohammad
- College of Agricultural Engineering Sciences, Salahaddin University-Erbil, Erbil, Kurdistan Region, Iraq.
- Center for Hematology and Regenerative Medicine (HERM), Department of Medicine Huddinge, Karolinska Institutet, 141 83, Stockholm, Sweden.
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6
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Rathgeber AC, Ludwig LS, Penter L. Single-cell genomics-based immune and disease monitoring in blood malignancies. Clin Hematol Int 2024; 6:62-84. [PMID: 38884110 PMCID: PMC11180218 DOI: 10.46989/001c.117961] [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: 11/23/2023] [Accepted: 12/25/2023] [Indexed: 06/18/2024] Open
Abstract
Achieving long-term disease control using therapeutic immunomodulation is a long-standing concept with a strong tradition in blood malignancies. Besides allogeneic hematopoietic stem cell transplantation that continues to provide potentially curative treatment for otherwise challenging diagnoses, recent years have seen impressive progress in immunotherapies for leukemias and lymphomas with immune checkpoint blockade, bispecific monoclonal antibodies, and CAR T cell therapies. Despite their success, non-response, relapse, and immune toxicities remain frequent, thus prioritizing the elucidation of the underlying mechanisms and identifying predictive biomarkers. The increasing availability of single-cell genomic tools now provides a system's immunology view to resolve the molecular and cellular mechanisms of immunotherapies at unprecedented resolution. Here, we review recent studies that leverage these technological advancements for tracking immune responses, the emergence of immune resistance, and toxicities. As single-cell immune monitoring tools evolve and become more accessible, we expect their wide adoption for routine clinical applications to catalyze more precise therapeutic steering of personal immune responses.
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Affiliation(s)
- Anja C Rathgeber
- Berlin Institute for Medical Systems Biology Max Delbrück Center for Molecular Medicine
- Department of Hematology, Oncology, and Tumorimmunology Charité - Universitätsmedizin Berlin
- Berlin Institute of Health at Charité - Universitätsmedizin Berlin
| | - Leif S Ludwig
- Berlin Institute for Medical Systems Biology Max Delbrück Center for Molecular Medicine
- Berlin Institute of Health at Charité - Universitätsmedizin Berlin
| | - Livius Penter
- Department of Hematology, Oncology, and Tumorimmunology Charité - Universitätsmedizin Berlin
- BIH Biomedical Innovation Academy Berlin Institute of Health at Charité - Universitätsmedizin Berlin
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7
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Mochmann LH, Treue D, Bockmayr M, Silva P, Zasada C, Mastrobuoni G, Bayram S, Forbes M, Jurmeister P, Liebig S, Blau O, Schleich K, Splettstoesser B, Nordmann TM, von der Heide EK, Isaakidis K, Schulze V, Busch C, Siddiq H, Schlee C, Hester S, Fransecky L, Neumann M, Kempa S, Klauschen F, Baldus CD. Proteomic profiling reveals ACSS2 facilitating metabolic support in acute myeloid leukemia. Cancer Gene Ther 2024:10.1038/s41417-024-00785-5. [PMID: 38851813 DOI: 10.1038/s41417-024-00785-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 04/19/2024] [Accepted: 05/16/2024] [Indexed: 06/10/2024]
Abstract
Acute myeloid leukemia (AML) is a heterogeneous disease characterized by genomic aberrations in oncogenes, cytogenetic abnormalities, and an aberrant epigenetic landscape. Nearly 50% of AML cases will relapse with current treatment. A major source of therapy resistance is the interaction of mesenchymal stroma with leukemic cells resulting in therapeutic protection. We aimed to determine pro-survival/anti-apoptotic protein networks involved in the stroma protection of leukemic cells. Proteomic profiling of cultured primary AML (n = 14) with Hs5 stroma cell line uncovered an up-regulation of energy-favorable metabolic proteins. Next, we modulated stroma-induced drug resistance with an epigenetic drug library, resulting in reduced apoptosis with histone deacetylase inhibitor (HDACi) treatment versus other epigenetic modifying compounds. Quantitative phosphoproteomic probing of this effect further revealed a metabolic-enriched phosphoproteome including significant up-regulation of acetyl-coenzyme A synthetase (ACSS2, S30) in leukemia-stroma HDACi treated cocultures compared with untreated monocultures. Validating these findings, we show ACSS2 substrate, acetate, promotes leukemic proliferation, ACSS2 knockout in leukemia cells inhibits leukemic proliferation and ACSS2 knockout in the stroma impairs leukemic metabolic fitness. Finally, we identify ACSS1/ACSS2-high expression AML subtype correlating with poor overall survival. Collectively, this study uncovers the leukemia-stroma phosphoproteome emphasizing a role for ACSS2 in mediating AML growth and drug resistance.
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Affiliation(s)
- Liliana H Mochmann
- Institute of Pathology, Ludwig-Maximilians-Universität München, Munich, Germany
- Department of Hematology and Oncology, Charité - Universitätsmedizin Berlin, a Corporate Member of Freie Universität Berlin, Humboldt-Universität, and Berlin Institute of Health, Campus Benjamin Franklin, Berlin, Germany
| | - Denise Treue
- Institute of Pathology Berlin, Charité - Universitätsmedizin Berlin, a corporate member of Freie Universität Berlin, Humboldt-Universität, and Berlin Institute of Health, Berlin, Germany
| | - Michael Bockmayr
- Institute of Pathology Berlin, Charité - Universitätsmedizin Berlin, a corporate member of Freie Universität Berlin, Humboldt-Universität, and Berlin Institute of Health, Berlin, Germany
- Department of Pediatric Hematology and Oncology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Patricia Silva
- Department of Hematology and Oncology, Charité - Universitätsmedizin Berlin, a Corporate Member of Freie Universität Berlin, Humboldt-Universität, and Berlin Institute of Health, Campus Benjamin Franklin, Berlin, Germany
| | - Christin Zasada
- Berlin Institute for Medical Systems Biology (BIMSB) at Max Delbruck Center for Molecular Medicine, Berlin, Germany
| | - Guido Mastrobuoni
- Berlin Institute for Medical Systems Biology (BIMSB) at Max Delbruck Center for Molecular Medicine, Berlin, Germany
| | - Safak Bayram
- Berlin Institute for Medical Systems Biology (BIMSB) at Max Delbruck Center for Molecular Medicine, Berlin, Germany
| | - Martin Forbes
- Berlin Institute for Medical Systems Biology (BIMSB) at Max Delbruck Center for Molecular Medicine, Berlin, Germany
| | - Philipp Jurmeister
- Institute of Pathology, Ludwig-Maximilians-Universität München, Munich, Germany
- German Cancer Consortium (DKTK), Partner Site Munich, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Sven Liebig
- Department of Hematology and Oncology, Charité - Universitätsmedizin Berlin, a Corporate Member of Freie Universität Berlin, Humboldt-Universität, and Berlin Institute of Health, Campus Benjamin Franklin, Berlin, Germany
| | - Olga Blau
- Department of Hematology and Oncology, Charité - Universitätsmedizin Berlin, a Corporate Member of Freie Universität Berlin, Humboldt-Universität, and Berlin Institute of Health, Campus Benjamin Franklin, Berlin, Germany
| | - Konstanze Schleich
- Institute of Pathology, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Bianca Splettstoesser
- Department of Proteomics and Signal Transduction, Max Planck Institute of Biochemistry, Martinsried, Bavaria, Germany
| | - Thierry M Nordmann
- Department of Proteomics and Signal Transduction, Max Planck Institute of Biochemistry, Martinsried, Bavaria, Germany
| | - Eva K von der Heide
- Department of Hematology and Oncology, Charité - Universitätsmedizin Berlin, a Corporate Member of Freie Universität Berlin, Humboldt-Universität, and Berlin Institute of Health, Campus Benjamin Franklin, Berlin, Germany
| | - Konstandina Isaakidis
- Department of Hematology and Oncology, Charité - Universitätsmedizin Berlin, a Corporate Member of Freie Universität Berlin, Humboldt-Universität, and Berlin Institute of Health, Campus Benjamin Franklin, Berlin, Germany
| | - Veronika Schulze
- Department of Hematology and Oncology, Charité - Universitätsmedizin Berlin, a Corporate Member of Freie Universität Berlin, Humboldt-Universität, and Berlin Institute of Health, Campus Benjamin Franklin, Berlin, Germany
| | - Caroline Busch
- Department of Hematology and Oncology, Charité - Universitätsmedizin Berlin, a Corporate Member of Freie Universität Berlin, Humboldt-Universität, and Berlin Institute of Health, Campus Benjamin Franklin, Berlin, Germany
| | - Hafsa Siddiq
- Department of Hematology and Oncology, Charité - Universitätsmedizin Berlin, a Corporate Member of Freie Universität Berlin, Humboldt-Universität, and Berlin Institute of Health, Campus Benjamin Franklin, Berlin, Germany
| | - Cornelia Schlee
- Department of Hematology and Oncology, Charité - Universitätsmedizin Berlin, a Corporate Member of Freie Universität Berlin, Humboldt-Universität, and Berlin Institute of Health, Campus Benjamin Franklin, Berlin, Germany
| | - Svenja Hester
- Department of Biochemistry, Oxford University, Oxford, UK
| | - Lars Fransecky
- Department of Hematology and Oncology, UKSH, Campus Kiel, Kiel, Germany
| | - Martin Neumann
- Department of Hematology and Oncology, UKSH, Campus Kiel, Kiel, Germany
| | - Stefan Kempa
- Berlin Institute for Medical Systems Biology (BIMSB) at Max Delbruck Center for Molecular Medicine, Berlin, Germany.
| | - Frederick Klauschen
- Institute of Pathology, Ludwig-Maximilians-Universität München, Munich, Germany.
- Institute of Pathology Berlin, Charité - Universitätsmedizin Berlin, a corporate member of Freie Universität Berlin, Humboldt-Universität, and Berlin Institute of Health, Berlin, Germany.
- German Cancer Consortium (DKTK), Partner Site Munich, German Cancer Research Center (DKFZ), Heidelberg, Germany.
| | - Claudia D Baldus
- Department of Hematology and Oncology, UKSH, Campus Kiel, Kiel, Germany.
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8
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Kim N, Hahn S, Choi YJ, Cho H, Chung H, Jang JE, Lyu CJ, Lee ST, Choi JR, Cheong JW, Shin S. Comprehensive insights into AML relapse: genetic mutations, clonal evolution, and clinical outcomes. Cancer Cell Int 2024; 24:174. [PMID: 38764048 PMCID: PMC11103850 DOI: 10.1186/s12935-024-03368-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Accepted: 05/10/2024] [Indexed: 05/21/2024] Open
Abstract
INTRODUCTION Acute myeloid leukemia (AML) is a complex hematologic malignancy characterized by uncontrolled proliferation of myeloid precursor cells within bone marrow. Despite advances in understanding of its molecular underpinnings, AML remains a therapeutic challenge due to its high relapse rate and clonal evolution. METHODS In this retrospective study, we analyzed data from 24 AML patients diagnosed at a single institution between January 2017 and August 2023. Comprehensive genetic analyses, including chromosomal karyotyping, next-generation sequencing, and gene fusion assays, were performed on bone marrow samples obtained at initial diagnosis and relapse. Clinical data, treatment regimens, and patient outcomes were also documented. RESULTS Mutations in core genes of FLT3, NPM1, DNMT3A, and IDH2 were frequently discovered in diagnostic sample and remained in relapse sample. FLT3-ITD, TP53, KIT, RUNX1, and WT1 mutation were acquired at relapse in one patient each. Gene fusion assays revealed stable patterns, while chromosomal karyotype analyses indicated a greater diversity of mutations in relapsed patients. Clonal evolution patterns varied, with some cases showing linear or branching evolution and others exhibiting no substantial change in core mutations between diagnosis and relapse. CONCLUSIONS Our study integrates karyotype, gene rearrangements, and gene mutation results to provide a further understanding of AML heterogeneity and evolution. We demonstrate the clinical relevance of specific mutations and clonal evolution patterns, emphasizing the need for personalized therapies and measurable residual disease monitoring in AML management. By bridging the gap between genetics and clinical outcome, we move closer to tailored AML therapies and improved patient prognoses.
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Affiliation(s)
- Namsoo Kim
- Department of Laboratory Medicine, Yonsei University College of Medicine, Severance Hospital, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Korea
| | - Seungmin Hahn
- Department of Pediatric Hematology-Oncology, Severance Hospital, Yonsei Cancer Center, Yonsei University College of Medicine, Seoul, Korea
| | - Yu Jeong Choi
- Department of Laboratory Medicine, Yonsei University College of Medicine, Severance Hospital, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Korea
| | - Hyunsoo Cho
- Division of Hematology, Department of Internal Medicine, Yonsei University College of Medicine, Severance Hospital, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Korea
| | - Haerim Chung
- Division of Hematology, Department of Internal Medicine, Yonsei University College of Medicine, Severance Hospital, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Korea
| | - Ji Eun Jang
- Division of Hematology, Department of Internal Medicine, Yonsei University College of Medicine, Severance Hospital, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Korea
| | - Chuhl Joo Lyu
- Department of Pediatric Hematology-Oncology, Severance Hospital, Yonsei Cancer Center, Yonsei University College of Medicine, Seoul, Korea
| | - Seung-Tae Lee
- Department of Laboratory Medicine, Yonsei University College of Medicine, Severance Hospital, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Korea
- Dxome Co. Ltd, Seongnam-si, Gyeonggi-do, Korea
| | - Jong Rak Choi
- Department of Laboratory Medicine, Yonsei University College of Medicine, Severance Hospital, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Korea
- Dxome Co. Ltd, Seongnam-si, Gyeonggi-do, Korea
| | - June-Won Cheong
- Division of Hematology, Department of Internal Medicine, Yonsei University College of Medicine, Severance Hospital, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Korea.
| | - Saeam Shin
- Department of Laboratory Medicine, Yonsei University College of Medicine, Severance Hospital, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Korea.
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9
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Cieniewicz B, Oliveira E, Saxton M, Torabi D, Bhatta A, Kukutla P, Arballo A, Yang Z, Yu B, Fate M, Ning H, Corey L, Maiti A, Corey D. Therapeutic Targeting of TIM-4-L with Engineered T Cells for Acute Myeloid Leukemia. Clin Cancer Res 2024; 30:1878-1888. [PMID: 38451195 DOI: 10.1158/1078-0432.ccr-23-3044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 01/16/2024] [Accepted: 03/04/2024] [Indexed: 03/08/2024]
Abstract
PURPOSE Disruption of lipid bilayer asymmetry is a common feature observed in cancer cells and offers novel routes for therapeutic targeting. We used the natural immune receptor TIM-4 to interrogate for loss of plasma membrane phospholipid polarity in primary acute myelogenous leukemia (AML) samples and evaluated the anti-leukemic activity of TIM-4-L-directed T-cell therapy in preclinical AML models. EXPERIMENTAL DESIGN We performed FACS analysis on 33 primary AML bone marrow specimens and correlated TIM-4-L expression frequency and intensity with molecular disease characteristics. Using Kasumi-1 and MV-4-11 AML cell lines, we further tested the anti-leukemic effects of TIM-4-L-directed engineered T cells in vitro and in vivo. RESULTS We found that 86% of untreated AML blasts displayed upregulation of cell surface TIM-4-L. These observations were agnostic to AML genetic classification, as samples with mutations in TP53, ASXL1, and RUNX1 displayed TIM-4-L upregulation similar to that seen in favorable and intermediate subtypes. TIM-4-L dysregulation was also stably present in AML cell lines. To evaluate the potential of targeting upregulated TIM-4-L with adoptive T-cell therapy, we constructed TIM-4-L-directed engineered T cells, which demonstrated potent anti-leukemic effects, effectively eliminating AML cell lines with a range of endogenous TIM-4-L expression levels both in vitro and in vivo. CONCLUSIONS These results highlight TIM-4-L as a highly prevalent target on AML across a range of genetic classifications and novel target for T-cell-based therapy in AML. Further investigations into the role of TIM-4-L in AML pathogenesis and its potential as an anti-leukemic target for clinical development are warranted.
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MESH Headings
- Humans
- Leukemia, Myeloid, Acute/genetics
- Leukemia, Myeloid, Acute/therapy
- Leukemia, Myeloid, Acute/pathology
- Leukemia, Myeloid, Acute/immunology
- Leukemia, Myeloid, Acute/metabolism
- Mice
- Animals
- T-Lymphocytes/immunology
- T-Lymphocytes/metabolism
- Membrane Proteins/genetics
- Membrane Proteins/metabolism
- Cell Line, Tumor
- Xenograft Model Antitumor Assays
- Female
- Male
- Middle Aged
- Adult
- Aged
- Immunotherapy, Adoptive/methods
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Affiliation(s)
| | | | - Mike Saxton
- CERo Therapeutics Inc., South San Francisco, California
| | - Damoun Torabi
- CERo Therapeutics Inc., South San Francisco, California
| | - Ankit Bhatta
- CERo Therapeutics Inc., South San Francisco, California
| | | | | | - Zhuo Yang
- CERo Therapeutics Inc., South San Francisco, California
| | - Bi Yu
- CERo Therapeutics Inc., South San Francisco, California
| | - Maria Fate
- CERo Therapeutics Inc., South San Francisco, California
| | - Hongxiu Ning
- CERo Therapeutics Inc., South San Francisco, California
| | - Lawrence Corey
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, Washington
| | - Abhishek Maiti
- Department of Leukemia, University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Daniel Corey
- CERo Therapeutics Inc., South San Francisco, California
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10
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Bashi MA, Ad'hiah AH. Molecular landscape of the interleukin-40 encoding gene, C17orf99, in patients with acute myeloid leukemia. Gene 2024; 904:148214. [PMID: 38286266 DOI: 10.1016/j.gene.2024.148214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 01/19/2024] [Accepted: 01/24/2024] [Indexed: 01/31/2024]
Abstract
Acute myeloid leukemia (AML) is a malignant hematological disorder in which aberrant cytokine signaling and inflammation play a role in disease initiation and progression. Interleukin-40 (IL-40) is a novel cytokine encoded by the chromosome 17 open reading frame 99 (C17orf99) gene. This cytokine is involved in mediating inflammation but its biological significance in the pathogenesis of AML has not been investigated. In this case-control and observational study, mRNA expression and DNA methylation of the C17orf99 gene were evaluated in the peripheral blood of AML patients. In addition, the polymorphism of two novel intergenic variants of the C17orf99 gene, rs2004339 A/G and rs2310998 G/A, were explored using a real-time polymerase chain reaction assay. The study was conducted on 131 patients with AML and 106 controls and gene expression and DNA methylation were expressed as fold-change (2-ΔΔCt). Results revealed that mRNA expression of the C17orf99 gene was down-regulated in AML patients, particularly in females, while up-regulated expression was found in patients with hypoalbuminemia. For DNA methylation, it was up-regulated in AML patients, particularly in females, AML M5 subtype, and CD4-negative and CD14-positive peripheral blood cells. The mutant A allele and the corresponding homozygous AA genotype of rs2004339 was significantly associated with an increased risk of AML. The AA genotype was also associated with significantly up-regulated C17orf99 mRNA expression and DNA methylation of compared to the wild-type GG genotype. In conclusions, C17orf99 mRNA expression showed down-regulated levels in the peripheral blood of AML patients, while DNA methylation was up-regulated. The intergenic variant rs2004339 was associated with susceptibility to AML and had an effect on mRNA expression and DNA methylation.
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Affiliation(s)
- Mustafa A Bashi
- Department of Biotechnology, College of Science, University of Baghdad, Baghdad, Iraq
| | - Ali H Ad'hiah
- Tropical-Biological Research Unit, College of Science, University of Baghdad, Baghdad, Iraq.
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11
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Zhao P, Xia L, Chen D, Xu W, Guo H, Xu Y, Yan B, Wu X, Li Y, Zhang Y, Zhang X. METTL1 mediated tRNA m 7G modification promotes leukaemogenesis of AML via tRNA regulated translational control. Exp Hematol Oncol 2024; 13:8. [PMID: 38268051 PMCID: PMC10807064 DOI: 10.1186/s40164-024-00477-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 01/12/2024] [Indexed: 01/26/2024] Open
Abstract
BACKGROUND RNA modifications have been proven to play fundamental roles in regulating cellular biology process. Recently, maladjusted N7-methylguanosine (m7G) modification and its modifiers METTL1/WDR4 have been confirmed an oncogene role in multiple cancers. However, the functions and molecular mechanisms of METTL1/WDR4 in acute myeloid leukemia (AML) remain to be determined. METHODS METTL1/WDR4 expression levels were quantified using qRT-PCR, western blot analysis on AML clinical samples, and bioinformatics analysis on publicly available AML datasets. CCK-8 assays and cell count assays were performed to determine cell proliferation. Flow cytometry assays were conducted to assess cell cycle and apoptosis rates. Multiple techniques were used for mechanism studies in vitro assays, such as northern blotting, liquid chromatography-coupled mass spectrometry (LC-MS/MS), tRNA stability analysis, transcriptome sequencing, small non-coding RNA sequencing, quantitative proteomics, and protein synthesis measurements. RESULTS METTL1/WDR4 are significantly elevated in AML patients and associated with poor prognosis. METTL1 knockdown resulted in reduced cell proliferation and increased apoptosis in AML cells. Mechanically, METTL1 knockdown leads to significant decrease of m7G modification abundance on tRNA, which further destabilizes tRNAs and facilitates the biogenesis of tsRNAs in AML cells. In addition, profiling of nascent proteins revealed that METTL1 knockdown and transfection of total tRNAs that were isolated from METTL1 knockdown AML cells decreased global translation efficiency in AML cells. CONCLUSIONS Taken together, our study demonstrates the important role of METTL1/WDR4 in AML leukaemogenesis, which provides a promising target candidate for AML therapy.
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Affiliation(s)
- Pan Zhao
- Medical Center of Hematology, Xinqiao Hospital of Army Medical University, Chongqing, 400037, China
- Department of Hematology, Affiliated Hospital of North Sichuan Medical College, Nanchong, 637000, China
| | - Lin Xia
- Medical Center of Hematology, Xinqiao Hospital of Army Medical University, Chongqing, 400037, China
| | - Dan Chen
- Medical Center of Hematology, Xinqiao Hospital of Army Medical University, Chongqing, 400037, China
| | - Wei Xu
- Medical Center of Hematology, Xinqiao Hospital of Army Medical University, Chongqing, 400037, China
| | - Huanping Guo
- Medical Center of Hematology, Xinqiao Hospital of Army Medical University, Chongqing, 400037, China
| | - Yinying Xu
- Medical Center of Hematology, Xinqiao Hospital of Army Medical University, Chongqing, 400037, China
| | - Bingbing Yan
- Medical Center of Hematology, Xinqiao Hospital of Army Medical University, Chongqing, 400037, China
| | - Xiao Wu
- Medical Center of Hematology, Xinqiao Hospital of Army Medical University, Chongqing, 400037, China
| | - Yuxia Li
- Medical Center of Hematology, Xinqiao Hospital of Army Medical University, Chongqing, 400037, China
| | - Yunfang Zhang
- Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Shanghai Key Laboratory of Signaling and Disease Research, Frontier Science Center for Stem Cell Research, School of Life Sciences and Technology, Tongji University, Shanghai, 200092, China.
| | - Xi Zhang
- Medical Center of Hematology, Xinqiao Hospital of Army Medical University, Chongqing, 400037, China.
- Chongqing Key Laboratory of Hematology and Microenvironment, Chongqing, 400037, China.
- State Key Laboratory of Trauma and Chemical Poisoning, Chongqing, 400037, China.
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12
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Wu S, Jin J, Huang J, Chen G, Chen Y. Comprehensive analysis of the RSK gene family in acute myeloid leukemia determines a prognostic signature for the prediction of clinical prognosis and treatment responses. Hematology 2023; 28:2235833. [PMID: 37462338 DOI: 10.1080/16078454.2023.2235833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Accepted: 07/08/2023] [Indexed: 07/20/2023] Open
Abstract
OBJECTIVE The prognosis of acute myeloid leukemia (AML) remains poor although the basic and translational research has been highly productive in understanding the genetics and pathopoiesis of AML and a plethora of targeted therapies have been developed. Consequently, it is crucial to deepen the knowledge of molecular pathogenesis underlying AML for the advancement of new treatment options. METHOD A RSK gene family-related signature was constructed to investigate whether RSK gene family members were useful in predicting the prognosis of AML patients. The relationship between the RSK gene family-related signature and the infiltration of immune cells was further assessed using the CIBERSORT algorithm. The 'oncoPredict' package was used to analyze relationships between the RSK gene family-related signature and the sensitivity to drugs or small molecules. RESULTS Patients were classified into two groups using the RSK gene family-related signature following the median risk score. Overall survival (OS) was significantly longer in patients with low-risk scores than that in patients with high-risk scores as showed by both training and validation datasets. Moreover, the signature was helpful in predicting 1-year, 3-year, and 5-year OS in training and validation datasets. In addition, it was identified that low-risk patients exhibited greater sensitivity to 20 drugs or small molecules and that high-risk patients had higher sensitivity to 38 drugs or small molecules. CONCLUSION RSK gene family members, particularly RPS6KA1 and RPS6KA4, may help to predict prognosis for AML patients. Furthermore, RPS6KA1 may serve as a novel drug target for AML.
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Affiliation(s)
- Shasha Wu
- Guizhou Medical University, Guiyang, People's Republic of China
- Department of Pediatrics, The Affiliated Hospital of Guizhou Medical University, Guiyang, People's Republic of China
| | - Jiao Jin
- Department of Pediatrics, The Affiliated Hospital of Guizhou Medical University, Guiyang, People's Republic of China
| | - Jing Huang
- Department of Pediatrics, The Affiliated Hospital of Guizhou Medical University, Guiyang, People's Republic of China
| | - Guifang Chen
- Department of Pediatrics, The Affiliated Hospital of Guizhou Medical University, Guiyang, People's Republic of China
| | - Yan Chen
- Guizhou Medical University, Guiyang, People's Republic of China
- Department of Pediatrics, Affiliated Hospital of Zunyi Medical University, Zunyi, People's Republic of China
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13
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Diao MN, Zhang XJ, Zhang YF. The critical roles of m6A RNA methylation in lung cancer: from mechanism to prognosis and therapy. Br J Cancer 2023; 129:8-23. [PMID: 36997662 PMCID: PMC10307841 DOI: 10.1038/s41416-023-02246-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 03/05/2023] [Accepted: 03/17/2023] [Indexed: 04/03/2023] Open
Abstract
Lung cancer, a highly malignant disease, greatly affects patients' quality of life. N6-methyladenosine (m6A) is one of the most common posttranscriptional modifications of various RNAs, including mRNAs and ncRNAs. Emerging studies have demonstrated that m6A participates in normal physiological processes and that its dysregulation is involved in many diseases, especially pulmonary tumorigenesis and progression. Among these, regulators including m6A writers, readers and erasers mediate m6A modification of lung cancer-related molecular RNAs to regulate their expression. Furthermore, the imbalance of this regulatory effect adversely affects signalling pathways related to lung cancer cell proliferation, invasion, metastasis and other biological behaviours. Based on the close association between m6A and lung cancer, various prognostic risk models have been established and novel drugs have been developed. Overall, this review comprehensively elaborates the mechanism of m6A regulation in the development of lung cancer, suggesting its potential for clinical application in the therapy and prognostic assessment of lung cancer.
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Affiliation(s)
- Mei-Ning Diao
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, 266021, China
| | - Xiao-Jing Zhang
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, 266021, China
| | - Yin-Feng Zhang
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, 266021, China.
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14
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Chianese U, Papulino C, Megchelenbrink W, Tambaro FP, Ciardiello F, Benedetti R, Altucci L. Epigenomic machinery regulating pediatric AML: clonal expansion mechanisms, therapies, and future perspectives. Semin Cancer Biol 2023; 92:84-101. [PMID: 37003397 DOI: 10.1016/j.semcancer.2023.03.009] [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: 12/15/2022] [Revised: 03/07/2023] [Accepted: 03/27/2023] [Indexed: 04/03/2023]
Abstract
Acute myeloid leukemia (AML) is a heterogeneous disease with a genetic, epigenetic, and transcriptional etiology mainly presenting somatic and germline abnormalities. AML incidence rises with age but can also occur during childhood. Pediatric AML (pAML) accounts for 15-20% of all pediatric leukemias and differs considerably from adult AML. Next-generation sequencing technologies have enabled the research community to "paint" the genomic and epigenomic landscape in order to identify pathology-associated mutations and other prognostic biomarkers in pAML. Although current treatments have improved the prognosis for pAML, chemoresistance, recurrence, and refractory disease remain major challenges. In particular, pAML relapse is commonly caused by leukemia stem cells that resist therapy. Marked patient-to-patient heterogeneity is likely the primary reason why the same treatment is successful for some patients but, at best, only partially effective for others. Accumulating evidence indicates that patient-specific clonal composition impinges significantly on cellular processes, such as gene regulation and metabolism. Although our understanding of metabolism in pAML is still in its infancy, greater insights into these processes and their (epigenetic) modulation may pave the way toward novel treatment options. In this review, we summarize current knowledge on the function of genetic and epigenetic (mis)regulation in pAML, including metabolic features observed in the disease. Specifically, we describe how (epi)genetic machinery can affect chromatin status during hematopoiesis, leading to an altered metabolic profile, and focus on the potential value of targeting epigenetic abnormalities in precision and combination therapy for pAML. We also discuss the possibility of using alternative epidrug-based therapeutic approaches that are already in clinical practice, either alone as adjuvant treatments and/or in combination with other drugs.
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Affiliation(s)
- Ugo Chianese
- Department of Precision Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy.
| | - Chiara Papulino
- Department of Precision Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy.
| | - Wout Megchelenbrink
- Department of Precision Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy; Princess Máxima Center, Heidelberglaan 25, 3584 CS, Utrecht, the Netherlands.
| | - Francesco Paolo Tambaro
- Bone Marrow Transplant Unit, Pediatric Oncology Department AORN Santobono Pausilipon, 80129, Naples Italy.
| | - Fortunato Ciardiello
- Department of Precision Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy.
| | - Rosaria Benedetti
- Department of Precision Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy.
| | - Lucia Altucci
- Department of Precision Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy; Biogem Institute of Molecular and Genetic Biology, 83031 Ariano Irpino, Italy; IEOS, Institute for Endocrinology and Oncology "Gaetano Salvatore" (IEOS), 80131 Naples, Italy.
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15
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Urwanisch L, Unger MS, Sieberer H, Dang HH, Neuper T, Regl C, Vetter J, Schaller S, Winkler SM, Kerschbamer E, Weichenberger CX, Krenn PW, Luciano M, Pleyer L, Greil R, Huber CG, Aberger F, Horejs-Hoeck J. The Class IIA Histone Deacetylase (HDAC) Inhibitor TMP269 Downregulates Ribosomal Proteins and Has Anti-Proliferative and Pro-Apoptotic Effects on AML Cells. Cancers (Basel) 2023; 15:cancers15041039. [PMID: 36831382 PMCID: PMC9953883 DOI: 10.3390/cancers15041039] [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: 02/03/2023] [Accepted: 02/04/2023] [Indexed: 02/10/2023] Open
Abstract
Acute myeloid leukemia (AML) is a hematopoietic malignancy characterized by altered myeloid progenitor cell proliferation and differentiation. As in many other cancers, epigenetic transcriptional repressors such as histone deacetylases (HDACs) are dysregulated in AML. Here, we investigated (1) HDAC gene expression in AML patients and in different AML cell lines and (2) the effect of treating AML cells with the specific class IIA HDAC inhibitor TMP269, by applying proteomic and comparative bioinformatic analyses. We also analyzed cell proliferation, apoptosis, and the cell-killing capacities of TMP269 in combination with venetoclax compared to azacitidine plus venetoclax, by flow cytometry. Our results demonstrate significantly overexpressed class I and class II HDAC genes in AML patients, a phenotype which is conserved in AML cell lines. In AML MOLM-13 cells, TMP269 treatment downregulated a set of ribosomal proteins which are overexpressed in AML patients at the transcriptional level. TMP269 showed anti-proliferative effects and induced additive apoptotic effects in combination with venetoclax. We conclude that TMP269 exerts anti-leukemic activity when combined with venetoclax and has potential as a therapeutic drug in AML.
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Affiliation(s)
- Laura Urwanisch
- Department of Biosciences and Medical Biology, University of Salzburg, 5020 Salzburg, Austria
- Cancer Cluster Salzburg (CCS), 5020 Salzburg, Austria
| | - Michael Stefan Unger
- Department of Biosciences and Medical Biology, University of Salzburg, 5020 Salzburg, Austria
- Cancer Cluster Salzburg (CCS), 5020 Salzburg, Austria
| | - Helene Sieberer
- Department of Biosciences and Medical Biology, University of Salzburg, 5020 Salzburg, Austria
- Cancer Cluster Salzburg (CCS), 5020 Salzburg, Austria
| | - Hieu-Hoa Dang
- Department of Biosciences and Medical Biology, University of Salzburg, 5020 Salzburg, Austria
- Cancer Cluster Salzburg (CCS), 5020 Salzburg, Austria
| | - Theresa Neuper
- Department of Biosciences and Medical Biology, University of Salzburg, 5020 Salzburg, Austria
- Cancer Cluster Salzburg (CCS), 5020 Salzburg, Austria
| | - Christof Regl
- Department of Biosciences and Medical Biology, University of Salzburg, 5020 Salzburg, Austria
- Cancer Cluster Salzburg (CCS), 5020 Salzburg, Austria
| | - Julia Vetter
- Bioinformatics Research Group, University of Applied Sciences Upper Austria, Softwarepark 11, 4232 Hagenberg im Muehlkreis, Austria
| | - Susanne Schaller
- Bioinformatics Research Group, University of Applied Sciences Upper Austria, Softwarepark 11, 4232 Hagenberg im Muehlkreis, Austria
| | - Stephan M. Winkler
- Bioinformatics Research Group, University of Applied Sciences Upper Austria, Softwarepark 11, 4232 Hagenberg im Muehlkreis, Austria
| | - Emanuela Kerschbamer
- Institute for Biomedicine, Eurac Research, Affiliated Institute of the University of Lübeck, Via A. Volta 21, 39100 Bolzano, Italy
| | - Christian X. Weichenberger
- Institute for Biomedicine, Eurac Research, Affiliated Institute of the University of Lübeck, Via A. Volta 21, 39100 Bolzano, Italy
| | - Peter W. Krenn
- Department of Biosciences and Medical Biology, University of Salzburg, 5020 Salzburg, Austria
- Cancer Cluster Salzburg (CCS), 5020 Salzburg, Austria
| | - Michela Luciano
- Department of Biosciences and Medical Biology, University of Salzburg, 5020 Salzburg, Austria
- Cancer Cluster Salzburg (CCS), 5020 Salzburg, Austria
| | - Lisa Pleyer
- Cancer Cluster Salzburg (CCS), 5020 Salzburg, Austria
- IIIrd Medical Department with Hematology and Medical Oncology, Hemostaseology, Rheumatology and Infectious Diseases, Oncologic Center, Paracelsus Medical University, 5020 Salzburg, Austria
- Salzburg Cancer Research Institute with Laboratory of Immunological and Molecular Cancer Research and Center for Clinical Cancer and Immunology Trials, 5020 Salzburg, Austria
| | - Richard Greil
- Cancer Cluster Salzburg (CCS), 5020 Salzburg, Austria
- IIIrd Medical Department with Hematology and Medical Oncology, Hemostaseology, Rheumatology and Infectious Diseases, Oncologic Center, Paracelsus Medical University, 5020 Salzburg, Austria
- Salzburg Cancer Research Institute with Laboratory of Immunological and Molecular Cancer Research and Center for Clinical Cancer and Immunology Trials, 5020 Salzburg, Austria
| | - Christian G. Huber
- Department of Biosciences and Medical Biology, University of Salzburg, 5020 Salzburg, Austria
- Cancer Cluster Salzburg (CCS), 5020 Salzburg, Austria
| | - Fritz Aberger
- Department of Biosciences and Medical Biology, University of Salzburg, 5020 Salzburg, Austria
- Cancer Cluster Salzburg (CCS), 5020 Salzburg, Austria
| | - Jutta Horejs-Hoeck
- Department of Biosciences and Medical Biology, University of Salzburg, 5020 Salzburg, Austria
- Cancer Cluster Salzburg (CCS), 5020 Salzburg, Austria
- Correspondence: ; Tel.: +43-(0)662-8044-5709
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16
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Hui L, Ziyue Z, Chao L, Bin Y, Aoyu L, Haijing W. Epigenetic Regulations in Autoimmunity and Cancer: from Basic Science to Translational Medicine. Eur J Immunol 2023; 53:e2048980. [PMID: 36647268 DOI: 10.1002/eji.202048980] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 08/25/2022] [Accepted: 01/10/2023] [Indexed: 01/18/2023]
Abstract
Epigenetics, as a discipline that aims to explain the differential expression of phenotypes arising from the same gene sequence and the heritability of epigenetic expression, has received much attention in medicine. Epigenetic mechanisms are constantly being discovered, including DNA methylation, histone modifications, noncoding RNAs and m6A. The immune system mainly achieves an immune response through the differentiation and functional expression of immune cells, in which epigenetic modification will have an important impact. Because of immune infiltration in the tumor microenvironment, immunotherapy has become a research hotspot in tumor therapy. Epigenetics plays an important role in autoimmune diseases and cancers through immunology. An increasing number of drugs targeting epigenetic mechanisms, such as DNA methyltransferase inhibitors, histone deacetylase inhibitors, and drug combinations, are being evaluated in clinical trials for the treatment of various cancers (including leukemia and osteosarcoma) and autoimmune diseases (systemic lupus erythematosus, rheumatoid arthritis, systemic sclerosis). This review summarizes the progress of epigenetic regulation for cancers and autoimmune diseases to date, shedding light on potential therapeutic strategies.
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Affiliation(s)
- Li Hui
- Department of Orthopedics, Second Xiangya Hospital of Central South University, Changsha, Hunan, P. R. China
| | - Zhao Ziyue
- Department of Orthopedics, Second Xiangya Hospital of Central South University, Changsha, Hunan, P. R. China
| | - Liu Chao
- Department of Orthopedics, Second Xiangya Hospital of Central South University, Changsha, Hunan, P. R. China
| | - Yu Bin
- Department of Orthopedics, Second Xiangya Hospital of Central South University, Changsha, Hunan, P. R. China
| | - Li Aoyu
- Department of Orthopedics, Second Xiangya Hospital of Central South University, Changsha, Hunan, P. R. China
| | - Wu Haijing
- Hunan Key Laboratory of Medical Epigenetics, Department of Dermatology, Second Xiangya Hospital of Central South University, Changsha, Hunan, P. R. China
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17
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Zhang W, Liu B, Wu S, Zhao L. TMT-based comprehensive proteomic profiling identifies serum prognostic signatures of acute myeloid leukemia. Open Med (Wars) 2023; 18:20220602. [PMID: 37016705 PMCID: PMC10066874 DOI: 10.1515/med-2022-0602] [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: 05/26/2022] [Revised: 09/19/2022] [Accepted: 10/16/2022] [Indexed: 04/06/2023] Open
Abstract
Acute myeloid leukemia (AML) is classified into favorable-risk, intermediate-risk, and poor-risk subtypes. This study aimed to compare the serum proteomic signatures of the three AML subtypes and identify prognostic biomarkers for AML. Serum samples from patients with favorable-risk (n = 14), intermediate-risk (n = 19), and poor-risk AMLs (n = 18) were used for the analysis of tandem mass tag (TMT) labeling-based quantitative proteomics. Comparative analysis was performed to identify differentially expressed proteins (DEPs) between groups. Prognostic proteins were screened using binary logistics regression analysis. TMT-MS/MS proteomics analysis identified 138 DEPs. Fumarate hydratase (FH), isocitrate dehydrogenase 2 (IDH2), and enolase 1 (ENO1) were significantly upregulated in poor-risk patients compared with favorable-risk patients. ELISA assay confirmed that patients with poor-risk AMLs had higher levels of IDH2, ENO1, and FH compared with intermediate-risk AML patients. Logistics analysis identified that proteins 3-hydroxyacyl-CoA dehydrogenase type-2 (HADH, odds ratio (OR) = 1.035, p = 0.010), glutamine synthetase (GLUL, OR = 1.022, p = 0.039), and lactotransferrin (LTF, OR = 1.1224, p = 0.016) were associated with poor prognosis, and proteins ENO1 (OR = 1.154, p = 0.053), FH (OR = 1.043, p = 0.059), and IDH2 (OR = 3.350, p = 0.055) were associated with AML prognosis. This study showed that AML patients had elevated levels of FH, IDH2, ENO1, LTF, and GLUL proteins and might be at high risk of poor prognosis.
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Affiliation(s)
- Wei Zhang
- Department of Central Laboratory, The First Hospital of Lanzhou University, Lanzhou 730000, Gansu Province, China
| | - Bei Liu
- Department of Hematology, The First Hospital of Lanzhou University, Lanzhou 730000, China
| | - Shiwen Wu
- Department of Laboratory Medicine, The First Hospital of Lanzhou University, Lanzhou 730000, China
| | - Li Zhao
- Department of Central Laboratory, The First Hospital of Lanzhou University, #1 Donggang West Road, Lanzhou 730000, Gansu Province, China
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18
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Meduri E, Breeze C, Marando L, Richardson SE, Huntly BJ. The RNA editing landscape in acute myeloid leukemia reveals associations with disease mutations and clinical outcome. iScience 2022; 25:105622. [PMID: 36465109 PMCID: PMC9713371 DOI: 10.1016/j.isci.2022.105622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 09/18/2022] [Accepted: 11/15/2022] [Indexed: 11/18/2022] Open
Abstract
Several studies have documented aberrant RNA editing patterns across multiple tumors across large patient cohorts from The Cancer Genome Atlas (TCGA). However, studies on understanding the role of RNA editing in acute myeloid leukemia (AML) have been limited to smaller sample sizes. Using high throughput transcriptomic data from the TCGA, we demonstrated higher levels of editing as a predictor of poor outcome within the AML patient samples. Moreover, differential editing patterns were observed across individual AML genotypes. We also could demonstrate a negative association between the degree of editing and mRNA abundance for some transcripts, identifying the potential regulatory potential of RNA-editing in altering gene expression in AML. Further edQTL analysis suggests potential cis-regulatory mechanisms in RNA editing variation. Our work suggests a functional and regulatory role of RNA editing in the pathogenesis of AML and we extended our analysis to gain insight into the factors influencing altered levels of editing.
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Affiliation(s)
- Eshwar Meduri
- Wellcome - MRC Cambridge Stem Cell Institute, Cambridge, UK
- Department of Haematology, University of Cambridge, Cambridge, UK
| | - Charles Breeze
- UCL Cancer Institute, University College London, London WC1E 6BT, UK
| | - Ludovica Marando
- Wellcome - MRC Cambridge Stem Cell Institute, Cambridge, UK
- Department of Haematology, University of Cambridge, Cambridge, UK
- Cambridge University Hospitals, Cambridge, UK
| | - Simon E. Richardson
- Wellcome - MRC Cambridge Stem Cell Institute, Cambridge, UK
- Department of Haematology, University of Cambridge, Cambridge, UK
- Cambridge University Hospitals, Cambridge, UK
| | - Brian J.P. Huntly
- Wellcome - MRC Cambridge Stem Cell Institute, Cambridge, UK
- Department of Haematology, University of Cambridge, Cambridge, UK
- Cambridge University Hospitals, Cambridge, UK
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19
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Dual LSD1 and HDAC6 Inhibition Induces Doxorubicin Sensitivity in Acute Myeloid Leukemia Cells. Cancers (Basel) 2022; 14:cancers14236014. [PMID: 36497494 PMCID: PMC9737972 DOI: 10.3390/cancers14236014] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 10/28/2022] [Accepted: 11/03/2022] [Indexed: 12/12/2022] Open
Abstract
Defects in epigenetic pathways are key drivers of oncogenic cell proliferation. We developed a LSD1/HDAC6 multitargeting inhibitor (iDual), a hydroxamic acid analogue of the clinical candidate LSD1 inhibitor GSK2879552. iDual inhibits both targets with IC50 values of 540, 110, and 290 nM, respectively, against LSD1, HDAC6, and HDAC8. We compared its activity to structurally similar control probes that act by HDAC or LSD1 inhibition alone, as well as an inactive null compound. iDual inhibited the growth of leukemia cell lines at a higher level than GSK2879552 with micromolar IC50 values. Dual engagement with LSD1 and HDAC6 was supported by dose dependent increases in substrate levels, biomarkers, and cellular thermal shift assay. Both histone methylation and acetylation of tubulin were increased, while acetylated histone levels were only mildly affected, indicating selectivity for HDAC6. Downstream gene expression (CD11b, CD86, p21) was also elevated in response to iDual treatment. Remarkably, iDual synergized with doxorubicin, triggering significant levels of apoptosis with a sublethal concentration of the drug. While mechanistic studies did not reveal changes in DNA repair or drug efflux pathways, the expression of AGPAT9, ALOX5, BTG1, HIPK2, IFI44L, and LRP1, previously implicated in doxorubicin sensitivity, was significantly elevated.
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20
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Pethusamy K, Seethy A, Dhar R, Karmakar A, Chaudhary S, Bakhshi S, Palanichamy JK, Chopra A, Chauhan SS, Karmakar S. Loss of TET2 with reduced genomic 5-hmC is associated with adverse-risk AML. Leuk Lymphoma 2022; 63:3426-3432. [PMID: 36165590 DOI: 10.1080/10428194.2022.2126278] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
While considerable information exists on the ten-eleven translocation 2 (TET2) mutational landscape in AML, the information on TET2 expression is limiting. So, we aimed to study the TET2 expression at mRNA and protein levels in AML patients compared to healthy controls. To achieve this, we recruited 70 non-M3, de novo AML patients and 20 healthy controls. The expression of TET2 was checked at mRNA and protein levels by qPCR and ELISA respectively and the TET activity was checked by the 5-hmC assay. TET2 mRNA expression was correlated with clinicopathological parameters and overall survival. We found a significant downregulation of TET2 mRNA and protein and significantly lower DNA 5-hmC levels in AML patients compared to controls. TET2 downregulation was more in patients with high blast counts and patients of the adverse-risk ELN category. We also found a significant upregulation of DNMT1 and DNMT3a suggesting a hypermethylation phenotype in de novo AML.
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Affiliation(s)
- Karthikeyan Pethusamy
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
| | - Ashikh Seethy
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
| | - Ruby Dhar
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
| | - Abhibroto Karmakar
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
| | - Shilpi Chaudhary
- Dr. B. R. Ambedkar Institute Rotary Cancer Hospital, All India Institute of Medical Sciences, New Delhi, India
| | - Sameer Bakhshi
- Dr. B. R. Ambedkar Institute Rotary Cancer Hospital, All India Institute of Medical Sciences, New Delhi, India
| | | | - Anita Chopra
- Dr. B. R. Ambedkar Institute Rotary Cancer Hospital, All India Institute of Medical Sciences, New Delhi, India
| | - Shyam S Chauhan
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
| | - Subhradip Karmakar
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
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21
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Maioli M, Rinaldi S, Cruciani S, Necas A, Fontani V, Corda G, Santaniello S, Rinaldi A, Pinheiro Barcessat AR, Necasova A, Castagna A, Filipejova Z, Ventura C, Fozza C. Antisenescence Effect of REAC Biomodulation to Counteract the Evolution of Myelodysplastic Syndrome. Physiol Res 2022. [PMID: 35899943 DOI: 10.33549/physiolres.934903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
About 30 percent of patients diagnosed with myelodysplastic syndromes (MDS) progress to acute myeloid leukemia (AML). The senescence of bone marrow‐derived mesenchymal stem cells (BMSCs) seems to be one of the determining factors in inducing this drift. Research is continuously looking for new methodologies and technologies that can use bioelectric signals to act on senescence and cell differentiation towards the phenotype of interest. The Radio Electric Asymmetric Conveyer (REAC) technology, aimed at reorganizing the endogenous bioelectric activity, has already shown to be able to determine direct cell reprogramming effects and counteract the senescence mechanisms in stem cells. Aim of the present study was to prove if the anti-senescence results previously obtained in different kind of stem cells with the REAC Tissue optimization – regenerative (TO-RGN) treatment, could also be observed in BMSCs, evaluating cell viability, telomerase activity, p19ARF, P21, P53, and hTERT gene expression. The results show that the REAC TO-RGN treatment may be a useful tool to counteract the BMSCs senescence which can be the basis of AML drift. Nevertheless, further clinical studies on humans are needed to confirm this hypothesis.
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Affiliation(s)
- M Maioli
- Department of Biomedical Sciences, University of Sassari, Viale San Pietro 43/B, 07100 Sassari (SS) Italy. E-mail:
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22
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Functional Drug Screening of Small Molecule Inhibitors of Epigenetic Modifiers in Refractory AML Patients. Cancers (Basel) 2022; 14:cancers14174094. [PMID: 36077629 PMCID: PMC9455071 DOI: 10.3390/cancers14174094] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 08/13/2022] [Accepted: 08/20/2022] [Indexed: 11/17/2022] Open
Abstract
The use of inhibitors of epigenetic modifiers in the treatment of acute myeloid leukemia (AML) has become increasingly appealing due to the highly epigenetic nature of the disease. We evaluated a library of 164 epigenetic compounds in a cohort of 9 heterogeneous AML patients using an ex vivo drug screen. AML blasts were isolated from bone marrow biopsies according to established protocols and treatment response to the epigenetic library was evaluated. We find that 11 histone deacetylase (HDAC) inhibitors, which act upon mechanisms of cell cycle arrest and apoptotic pathways through inhibition of zinc-dependent classes of HDACs, showed efficacy in all patient-derived samples. Other compounds, including bromodomain and extraterminal domain (BET) protein inhibitors, showed efficacy in most samples. Specifically, HDAC inhibitors are already clinically available and can be repurposed for use in AML. Results in this cohort of AML patient-derived samples reveal several epigenetic compounds with high anti-blast activity in all samples, despite the molecular diversity of the disease. These results further enforce the notion that AML is a predominantly epigenetic disease and that similar epigenetic mechanisms may underlie disease development and progression in all patients, despite differences in genetic mutations.
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23
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Dissecting the Genetic and Non-Genetic Heterogeneity of Acute Myeloid Leukemia Using Next-Generation Sequencing and In Vivo Models. Cancers (Basel) 2022; 14:cancers14092182. [PMID: 35565315 PMCID: PMC9103951 DOI: 10.3390/cancers14092182] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 04/21/2022] [Accepted: 04/25/2022] [Indexed: 02/01/2023] Open
Abstract
Simple Summary Acute myeloid leukemia (AML) is an extremely aggressive form of blood cancer with high rates of treatment failure. AML arises from the stepwise acquisition of genetic aberrations and is a highly heterogeneous disorder. Recent research has shown that individual AML samples often contain several clones that are defined by a distinct combination of genetic lesions, epigenetic patterns and cell surface marker expression profiles. A better understanding of the clonal dynamics of AML is required to develop novel treatment strategies against this disease. In this review, we discuss the recent developments that have further deepened our understanding of clonal evolution and heterogeneity in AML. Abstract Acute myeloid leukemia (AML) is an extremely aggressive and heterogeneous disorder that results from the transformation of hematopoietic stem cells. Although our understanding of the molecular pathology of AML has greatly improved in the last few decades, the overall and relapse free survival rates among AML patients remain quite poor. This is largely due to evolution of the disease and selection of the fittest, treatment-resistant leukemic clones. There is increasing evidence that most AMLs possess a highly complex clonal architecture and individual leukemias are comprised of genetically, phenotypically and epigenetically distinct clones, which are continually evolving. Advances in sequencing technologies as well as studies using murine AML models have provided further insights into the heterogeneity of leukemias. We will review recent advances in the field of genetic and non-genetic heterogeneity in AML.
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24
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Gleba JJ, Kłopotowska D, Banach J, Turlej E, Mielko KA, Gębura K, Bogunia-Kubik K, Kutner A, Wietrzyk J. Polymorphism of VDR Gene and the Sensitivity of Human Leukemia and Lymphoma Cells to Active Forms of Vitamin D. Cancers (Basel) 2022; 14:387. [PMID: 35053549 PMCID: PMC8774213 DOI: 10.3390/cancers14020387] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 01/12/2022] [Accepted: 01/12/2022] [Indexed: 12/22/2022] Open
Abstract
The active forms of vitamin D3 (calcitriol and tacalcitol) coupled to the vitamin D receptor (VDR) are known to exhibit anti-cancer properties. However, not all cancer cells are sensitive to the active forms of vitamin D3 and its analogs. The study aimed to determine whether polymorphism of VDR is responsible for the sensitivity of human leukemia and lymphoma cells to calcitriol and tacalcitol. The impact of calcitriol and tacalcitol on the proliferation and morphology of nine different leukemia and lymphoma cell lines was determined. Only MV-4-11, Thp-1, and HL-60 cell lines sensitive to proliferation inhibition by calcitriol and tacalcitol showed morphology changes. Subsequently, the levels of the VDR and 1,25D3-MARRS proteins of calcitriol and tacalcitol binding receptors and the VDR receptor polymorphism in human leukemia and lymphoma cells were ascertained. Contrary to the current understanding, higher levels of VDR are not responsible for the greater sensitivity of cells to calcitriol and tacalcitol. Importantly, we first showed that sensitivity to calcitriol and tacalcitol in leukemias and lymphomas could be determined by the VDR polymorphism. The FokI polymorphism and the presence of the "bat" haplotype were observed only in the sensitive cells.
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Affiliation(s)
- Justyna Joanna Gleba
- Department of Experimental Oncology, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Weigla 12, 53–114 Wroclaw, Poland; (D.K.); (J.B.); (J.W.)
| | - Dagmara Kłopotowska
- Department of Experimental Oncology, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Weigla 12, 53–114 Wroclaw, Poland; (D.K.); (J.B.); (J.W.)
| | - Joanna Banach
- Department of Experimental Oncology, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Weigla 12, 53–114 Wroclaw, Poland; (D.K.); (J.B.); (J.W.)
| | - Eliza Turlej
- Department of Experimental Oncology, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Weigla 12, 53–114 Wroclaw, Poland; (D.K.); (J.B.); (J.W.)
- Department of Experimental Biology, Wroclaw University of Environmental and Life Sciences, Norwida 27 B, 50-375 Wroclaw, Poland;
| | - Karolina Anna Mielko
- Department of Experimental Oncology, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Weigla 12, 53–114 Wroclaw, Poland; (D.K.); (J.B.); (J.W.)
- Department of Biochemistry, Molecular Biology and Biotechnology, Faculty of Chemistry, Wroclaw University of Science and Technology, Norwida 4/6, 50-373 Wroclaw, Poland;
| | - Katarzyna Gębura
- Laboratory of Clinical Immunogenetics and Pharmacogenetics, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Weigla 12, 53–114 Wroclaw, Poland; (K.G.); (K.B.-K.)
| | - Katarzyna Bogunia-Kubik
- Laboratory of Clinical Immunogenetics and Pharmacogenetics, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Weigla 12, 53–114 Wroclaw, Poland; (K.G.); (K.B.-K.)
| | - Andrzej Kutner
- Department of Bioanalysis and Drug Analysis, Faculty of Pharmacy, Medical University of Warsaw, 1 Banacha, 02-097 Warsaw, Poland;
| | - Joanna Wietrzyk
- Department of Experimental Oncology, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Weigla 12, 53–114 Wroclaw, Poland; (D.K.); (J.B.); (J.W.)
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25
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Osman R, Fathy S, Shafik H, Momen N, Kandil R, Zayed R. Study of epigenetic regulation of H3K27me3 in acute myeloid leukemia. Int J Lab Hematol 2021; 44:e111-e114. [PMID: 34780671 DOI: 10.1111/ijlh.13755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 10/22/2021] [Accepted: 10/26/2021] [Indexed: 11/27/2022]
Affiliation(s)
- Randa Osman
- Clinical Pathology and Oncologic Laboratory Medicine, National Cancer Institute, Cairo University, Giza, Egypt
| | - Sherouk Fathy
- Clinical Pathology and Oncologic Laboratory Medicine, National Cancer Institute, Cairo University, Giza, Egypt
| | - Hanan Shafik
- Medical Oncology Department, National Cancer Institute, Cairo University, Giza, Egypt
| | - Nouran Momen
- Clinical and Chemical Pathology Department, Faculty of Medicine, Cairo University, Giza, Egypt
| | - Rania Kandil
- Immunogenetics Department, National Research Centre, Giza, Egypt
| | - Rania Zayed
- Clinical and Chemical Pathology Department, Faculty of Medicine, Cairo University, Giza, Egypt
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26
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Xu LF, Shi L, Zhang SS, Ding PS, Ma F, Song KD, Qiang P, Chang WJ, Dai YY, Mei YD, Ma XL. LukS-PV Induces Apoptosis via the SET8-H4K20me1-PIK3CB Axis in Human Acute Myeloid Leukemia Cells. Front Oncol 2021; 11:718791. [PMID: 34745943 PMCID: PMC8565356 DOI: 10.3389/fonc.2021.718791] [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: 07/23/2021] [Accepted: 09/22/2021] [Indexed: 12/30/2022] Open
Abstract
Evidence suggests that histone modification disorders are involved in leukemia pathogenesis. We previously reported that LukS-PV, a component of Panton-Valentine leukocidin (PVL), has antileukemia activities that can induce differentiation, increase apoptosis, and inhibit proliferation of acute myeloid leukemia (AML) cells. Furthermore, LukS-PV inhibited hepatoma progression by regulating histone deacetylation, speculating that LukS-PV may exert antileukemia activity by targeting histone modification regulators. In this study, the results showed that LukS-PV induced apoptosis by downregulating the methyltransferase SET8 and its target histone H4 monomethylated at Lys 20 (H4K20me1). Furthermore, chromatin immunoprecipitation sequencing and polymerase chain reaction identified the kinase PIK3CB as a downstream target gene for apoptosis mediated by SET8/H4K20me1. Finally, our results indicated that LukS-PV induced apoptosis via the PIK3CB-AKT-FOXO1 signaling pathway by targeting SET8. This study indicates that SET8 downregulation is one of the mechanisms by which LukS-PV induces apoptosis in AML cells, suggesting that SET8 may be a potential therapeutic target for AML. Furthermore, LukS-PV may be a drug candidate for the treatment of AML that targets epigenetic modifications.
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Affiliation(s)
- Liang Fei Xu
- The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Lan Shi
- The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Shan Shan Zhang
- The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Peng Sheng Ding
- The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Fan Ma
- The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Kai Di Song
- The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Ping Qiang
- The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Wen Jiao Chang
- The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Yuan Yuan Dai
- The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Yi De Mei
- University of Science and Technology of China, School of Life Sciences and Medicine, USTC Life Sciences, Hefei, China
| | - Xiao Ling Ma
- The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China.,University of Science and Technology of China, School of Life Sciences and Medicine, USTC Life Sciences, Hefei, China
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27
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Zhang L, Khadka B, Wu J, Feng Y, Long B, Xiao R, Liu J. Bone Marrow Mesenchymal Stem Cells-Derived Exosomal miR-425-5p Inhibits Acute Myeloid Leukemia Cell Proliferation, Apoptosis, Invasion and Migration by Targeting WTAP. Onco Targets Ther 2021; 14:4901-4914. [PMID: 34594112 PMCID: PMC8478487 DOI: 10.2147/ott.s286326] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Accepted: 05/22/2021] [Indexed: 11/23/2022] Open
Abstract
Introduction Acute myeloid leukemia (AML) is a predominant blood malignancy with high mortality and severe morbidity. AML is affected by microRNAs (miRNAs) loaded in exosomes derived from bone marrow mesenchymal stem cells (BM-MSCs). MiR-425-5p has been reported to participate in different cancer models. However, the function of BM-MSCs-derived exosomal miR-425-5p in AML is unclear. Methods The expression of miR-425-5p was measured by qRT-PCR in clinical AML samples. The immunophenotype of BM-MSCs was analyzed using antibodies against CD44, CD90, and CD105. The exosome was isolated from BM-MSCs. The effect of BM-MSCs-derived exosomal miR-425-5p on AML was analyzed by CCK-8 assay, Edu assay, transwell assay, flow cytometry in AML cells. qRT-PCR, luciferase reporter gene assay and Western blot analysis were also conducted in AML cells. Results The expression levels of miR-425-5p were decreased in CD34 + CD38-AML cells from primary AML patients compared to that from the bone marrow of healthy cases, and were reduced in exosomes from AML patients compared that from healthy cases. Similarly, miR-425-5p was also down-regulated in AML cell lines compared with BM-MSCs. MiR-425-5p was able to express in exosomes from BM-MSCs. CCK-8, Edu, transwell assay and flow cytometry analysis revealed that BM-MSCs-derived exosomal miR-425-5p significantly inhibited cell viability, Edu positive cells, invasion and migration, and induced apoptosis of AML cells. Meanwhile, the expression levels of cleaved PARP and cleaved caspase3 were increased by BM-MSCs-derived exosomal miR-425-5p in cells. MiR-425-5p inhibited the expression of Wilms tumor 1-associated protein (WTAP). Moreover, overexpression of WTAP could reverse the miR-425-5p-induced inhibition effect on AML cell proliferation, apoptosis, migration and invasion. Conclusion BM-MSCs-derived exosomal miR-425-5p inhibits proliferation, invasion and migration of AML cells and induced apoptosis of AML cells by targeting WTAP. Therapeutically, BM-MSCs-derived exosomal miR-425-5p may serve as a potential target for AML therapy.
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Affiliation(s)
- Ling Zhang
- Department of Hematology, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou City, Guangdong Province, 510630, People's Republic of China
| | - Bijay Khadka
- Department of Hematology, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou City, Guangdong Province, 510630, People's Republic of China
| | - Jieying Wu
- Department of Hematology, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou City, Guangdong Province, 510630, People's Republic of China
| | - Yashu Feng
- Department of Hematology, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou City, Guangdong Province, 510630, People's Republic of China
| | - Bing Long
- Department of Hematology, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou City, Guangdong Province, 510630, People's Republic of China
| | - Ruozhi Xiao
- Department of Hematology, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou City, Guangdong Province, 510630, People's Republic of China
| | - Jiajun Liu
- Department of Hematology, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou City, Guangdong Province, 510630, People's Republic of China
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28
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Ogunleye AJ, Romanova E, Medvedeva YA. Genome-wide regulation of CpG methylation by ecCEBPα in acute myeloid leukemia. F1000Res 2021; 10:204. [PMID: 34557292 PMCID: PMC8444155 DOI: 10.12688/f1000research.28146.2] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/23/2021] [Indexed: 01/08/2023] Open
Abstract
Background: Acute myeloid leukemia (AML) is a hematopoietic malignancy characterized by genetic and epigenetic aberrations that alter the differentiation capacity of myeloid progenitor cells. The transcription factor
CEBPα is frequently mutated in AML patients leading to an increase in DNA methylation in many genomic locations. Previously, it has been shown that
ecCEBPα (extra coding CEBP
α) - a lncRNA transcribed in the same direction as
CEBPα gene - regulates DNA methylation of
CEBPα promoter in
cis. Here, we hypothesize that
ecCEBPα could participate in the regulation of DNA methylation in
trans. Method: First, we retrieved the methylation profile of AML patients with mutated
CEBPα locus from The Cancer Genome Atlas (TCGA). We then predicted the
ecCEBPα secondary structure in order to check the potential of
ecCEBPα to form triplexes around CpG loci and checked if triplex formation influenced CpG methylation, genome-wide. Results: Using DNA methylation profiles of AML patients with a mutated
CEBPα locus, we show that
ecCEBPα could interact with DNA by forming DNA:RNA triple helices and protect regions near its binding sites from global DNA methylation. Further analysis revealed that triplex-forming oligonucleotides in
ecCEBPα are structurally unpaired supporting the DNA-binding potential of these regions.
ecCEBPα triplexes supported with the RNA-chromatin co-localization data are located in the promoters of leukemia-linked transcriptional factors such as MLF2. Discussion: Overall, these results suggest a novel regulatory mechanism for
ecCEBPα as a genome-wide epigenetic modulator through triple-helix formation which may provide a foundation for sequence-specific engineering of RNA for regulating methylation of specific genes.
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Affiliation(s)
- Adewale J Ogunleye
- Department of Biological and Medical Physics, Moscow Institute of Physics and Technology, Moscow, Russian Federation
| | - Ekaterina Romanova
- Research Center of Biotechnology, Institute of Bioengineering, Russian Academy of Sciences, Moscow, Russian Federation
| | - Yulia A Medvedeva
- Department of Biological and Medical Physics, Moscow Institute of Physics and Technology, Moscow, Russian Federation.,Research Center of Biotechnology, Institute of Bioengineering, Russian Academy of Sciences, Moscow, Russian Federation
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29
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Zhang J, Gao X, Yu L. Roles of Histone Deacetylases in Acute Myeloid Leukemia With Fusion Proteins. Front Oncol 2021; 11:741746. [PMID: 34540702 PMCID: PMC8440836 DOI: 10.3389/fonc.2021.741746] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Accepted: 08/11/2021] [Indexed: 12/15/2022] Open
Abstract
Accurate orchestration of gene expression is critical for the process of normal hematopoiesis, and dysregulation is closely associated with leukemogenesis. Epigenetic aberration is one of the major causes contributing to acute myeloid leukemia (AML), where chromosomal rearrangements are frequently found. Increasing evidences have shown the pivotal roles of histone deacetylases (HDACs) in chromatin remodeling, which are involved in stemness maintenance, cell fate determination, proliferation and differentiation, via mastering the transcriptional switch of key genes. In abnormal, these functions can be bloomed to elicit carcinogenesis. Presently, HDAC family members are appealing targets for drug exploration, many of which have been deployed to the AML treatment. As the majority of AML events are associated with chromosomal translocation resulting in oncogenic fusion proteins, it is valuable to comprehensively understand the mutual interactions between HDACs and oncogenic proteins. Therefore, we reviewed the process of leukemogenesis and roles of HDAC members acting in this progress, providing an insight for the target anchoring, investigation of hyperacetylated-agents, and how the current knowledge could be applied in AML treatment.
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Affiliation(s)
- Juan Zhang
- Department of Hematology and Oncology, International Cancer Center, Shenzhen Key Laboratory of Precision Medicine for Hematological Malignancies, Shenzhen University General Hospital, Shenzhen University Clinical Medical Academy, Shenzhen University Health Science Center, Shenzhen, China
| | - Xuefeng Gao
- Department of Hematology and Oncology, International Cancer Center, Shenzhen Key Laboratory of Precision Medicine for Hematological Malignancies, Shenzhen University General Hospital, Shenzhen University Clinical Medical Academy, Shenzhen University Health Science Center, Shenzhen, China
| | - Li Yu
- Department of Hematology and Oncology, International Cancer Center, Shenzhen Key Laboratory of Precision Medicine for Hematological Malignancies, Shenzhen University General Hospital, Shenzhen University Clinical Medical Academy, Shenzhen University Health Science Center, Shenzhen, China
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Farhana A, Koh AEH, Tong JB, Alsrhani A, Kumar Subbiah S, Mok PL. Nanoparticle-Encapsulated Camptothecin: Epigenetic Modulation in DNA Repair Mechanisms in Colon Cancer Cells. Molecules 2021; 26:5414. [PMID: 34500845 PMCID: PMC8434408 DOI: 10.3390/molecules26175414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Revised: 07/13/2021] [Accepted: 07/14/2021] [Indexed: 11/16/2022] Open
Abstract
Molecular crosstalk between the cellular epigenome and genome converge as a synergistic driver of oncogenic transformations. Besides other pathways, epigenetic regulatory circuits exert their effect towards cancer progression through the induction of DNA repair deficiencies. We explored this mechanism using a camptothecin encapsulated in β-cyclodextrin-EDTA-Fe3O4 nanoparticles (CPT-CEF)-treated HT29 cells model. We previously demonstrated that CPT-CEF treatment of HT29 cells effectively induces apoptosis and cell cycle arrest, stalling cancer progression. A comparative transcriptome analysis of CPT-CEF-treated versus untreated HT29 cells indicated that genes controlling mismatch repair, base excision repair, and homologues recombination were downregulated in these cancer cells. Our study demonstrated that treatment with CPT-CEF alleviated this repression. We observed that CPT-CEF exerts its effect by possibly affecting the DNA repair mechanism through epigenetic modulation involving genes of HMGB1, APEX1, and POLE3. Hence, we propose that CPT-CEF could be a DNA repair modulator that harnesses the cell's epigenomic plasticity to amend DNA repair deficiencies in cancer cells.
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Affiliation(s)
- Aisha Farhana
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka 72388, Aljouf Province, Saudi Arabia; (A.A.); (P.L.M.)
| | - Avin Ee-Hwan Koh
- Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Seri Kembangan 43400, Selangor, Malaysia;
| | - Jia Bei Tong
- Department of Medical Microbiology, Universiti Putra Malaysia, Seri Kembangan 43400, Selangor, Malaysia;
| | - Abdullah Alsrhani
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka 72388, Aljouf Province, Saudi Arabia; (A.A.); (P.L.M.)
| | - Suresh Kumar Subbiah
- Department of Medical Microbiology, Universiti Putra Malaysia, Seri Kembangan 43400, Selangor, Malaysia;
- Centre for Materials Engineering and Regenerative Medicine, Bharath Institute of Higher Education and Research, Bharath University, Chennai 600073, Tamil Nadu, India
| | - Pooi Ling Mok
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka 72388, Aljouf Province, Saudi Arabia; (A.A.); (P.L.M.)
- Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Seri Kembangan 43400, Selangor, Malaysia;
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Sampath S, Misra P, Yadav SK, Sharma S, Somasundaram V. A study on DNA methylation status in promoter region of p15 gene in patients of acute myeloid leukemia and myelodysplastic syndrome. Med J Armed Forces India 2021; 77:337-342. [PMID: 34305288 PMCID: PMC8282539 DOI: 10.1016/j.mjafi.2021.04.014] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Accepted: 04/22/2021] [Indexed: 10/21/2022] Open
Abstract
BACKGROUND Acute myeloid leukemia (AML) and myelodysplastic syndrome (MDS) are a spectrum of hematological malignancies with a multistep process of accumulated genetic and epigenetic alterations. DNA methylation is most extensively studied epigenetic alteration in malignancies. Recent research studies in the field have brought out translational implications of promoter methylation of tumor suppressor gene p15 in tumors. Therefore, we studied the role of DNA Methylation of p15 gene in AML and MDS. METHODS The study was carried out in 41 consecutive AML/MDS cases reporting to hematological OPD of a tertiary care center along with 25 age and sex-matched healthy controls. The methylation status in the promoter region of the p15 gene was assessed by methylation-specific PCR (MSP) from blood samples after ethical approval and informed consent of the patients and controls. The association of methylation status was studied with clinical presentations, AML subtypes, and cytogenetics using Chi-square test/Fisher's exact test tools. RESULTS A total of 41 cases included in the study comprised 33 cases of AML and 08 cases of MDS with an age range between 06 months and 82 years. Of the 41 cases, 29 revealed promoter methylation of the p15 gene, which compared to healthy controls was found statistically significant (p < 0.001). The methylation status did not significantly correlate with AML subtypes or the cytogenetic abnormalities detected in cases. CONCLUSION The outcome of the study indicates p15 promoter DNA methylation in cases of AML and MDS may identify those individuals who might benefit from the targeted therapeutic approaches.
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Affiliation(s)
- Sangeetha Sampath
- Professor (Biochemistry), Command Hospital (Air Force), Bengaluru, India
| | - Pratibha Misra
- Professor & Head, Department of Biochemistry, Armed Forces Medical College, Pune, India
| | | | - Sanjeevan Sharma
- Senior Advisor (Medicine & Hematology), Command Hospital (Central Command), Lucknow, India
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Lei W, Lin J, Liu F, Chen N. Long noncoding RNA GAS6 antisense RNA1 silencing attenuates the tumorigenesis of acute myeloid leukemia cells through targeting microRNA-370-3p/Tetraspanin3 axis. Clin Hemorheol Microcirc 2021; 78:69-81. [PMID: 33523043 DOI: 10.3233/ch-201039] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
PURPOSE Acute myeloid leukemia (AML) is a type of hematologic malignancy. This study was attempt to explore the effect of long noncoding RNA GAS6 antisense RNA1 (GAS6-AS1) on pediatric AML and the regulation mechanisms. METHODS GAS6-AS1, microRNA-370-3p (miR-370-3p), and Tetraspanin3 (TSPAN3) expression in bone marrow (BM) tissues and cells was determined by qRT-PCR. The correlation between GAS6-AS1 and clinicopathological features of pediatric patients with AML was assessed. In vitro, viability and migration and invasion of AML cells were evaluated via MTT and transwell assays, respectively. Interactions among GAS6-AS1, miR-370-3p, and TSPAN3 were revealed by dual-luciferase reporter assays. Western blot was applied to confirm the protein expression of TSPAN3. RESULTS GAS6-AS1 and TSPAN3 expression was elevated in BM tissues of pediatric patients with AML and AML cells, but miR-370-3p expression was reduced. GAS6-AS1 expression was positively related to French-American-British (FAB) classification in pediatric patients with AML. In vitro, GAS6-AS1 deficiency restrained the viability, migration, and invasion of AML cells. Additionally, GAS6-AS1 mediated miR-370-3p expression indeed and TSPAN3 was identified as a target of miR-370-3p. Furthermore, miR-370-3p overexpression repressed the protein expression of TSPAN3. The feedback experiments demonstrated that miR-370-3p inhibition or TSPAN3 overexpression mitigated the suppressive effect of sh-GAS6-AS1 on the tumorigenesis of AML cells. CONCLUSION GAS6-AS1 silencing restrained AML cell viability, migration, and invasion by targeting miR-370-3p/TSPAN3 axis, affording a novel therapeutic target for pediatric AML.
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Affiliation(s)
- Weijuan Lei
- Department of Pediatrics, Xiangyang No.1 People's Hospital, Hubei University of Medicine, Xiangyang, Hubei, China
| | - Juanjuan Lin
- Department of Pediatrics, Xiangyang No.1 People's Hospital, Hubei University of Medicine, Xiangyang, Hubei, China
| | - Fang Liu
- Department of Pediatrics, Xiangyang No.1 People's Hospital, Hubei University of Medicine, Xiangyang, Hubei, China
| | - Nina Chen
- Department of Pediatrics, Xiangyang No.1 People's Hospital, Hubei University of Medicine, Xiangyang, Hubei, China
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Chantkran W, Hsieh YC, Zheleva D, Frame S, Wheadon H, Copland M. Interrogation of novel CDK2/9 inhibitor fadraciclib (CYC065) as a potential therapeutic approach for AML. Cell Death Dis 2021; 7:137. [PMID: 34112754 PMCID: PMC8192769 DOI: 10.1038/s41420-021-00496-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 04/04/2021] [Accepted: 04/22/2021] [Indexed: 02/05/2023]
Abstract
Over the last 50 years, there has been a steady improvement in the treatment outcome of acute myeloid leukemia (AML). However, median survival in the elderly is still poor due to intolerance to intensive chemotherapy and higher numbers of patients with adverse cytogenetics. Fadraciclib (CYC065), a novel cyclin-dependent kinase (CDK) 2/9 inhibitor, has preclinical efficacy in AML. In AML cell lines, myeloid cell leukemia 1 (MCL-1) was downregulated following treatment with fadraciclib, resulting in a rapid induction of apoptosis. In addition, RNA polymerase II (RNAPII)-driven transcription was suppressed, rendering a global gene suppression. Rapid induction of apoptosis was observed in primary AML cells after treatment with fadraciclib for 6-8 h. Twenty-four hours continuous treatment further increased efficacy of fadraciclib. Although preliminary results showed that AML cell lines harboring KMT2A rearrangement (KMT2A-r) are more sensitive to fadraciclib, we found that the drug can induce apoptosis and decrease MCL-1 expression in primary AML cells, regardless of KMT2A status. Importantly, the diversity of genetic mutations observed in primary AML patient samples was associated with variable response to fadraciclib, confirming the need for patient stratification to enable a more effective and personalized treatment approach. Synergistic activity was demonstrated when fadraciclib was combined with the BCL-2 inhibitor venetoclax, or the conventional chemotherapy agents, cytarabine, or azacitidine, with the combination of fadraciclib and azacitidine having the most favorable therapeutic window. In summary, these results highlight the potential of fadraciclib as a novel therapeutic approach for AML.
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Affiliation(s)
- Wittawat Chantkran
- grid.8756.c0000 0001 2193 314XPaul O’Gorman Leukaemia Research Centre, Institute of Cancer Sciences, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK ,grid.10223.320000 0004 1937 0490Department of Pathology, Phramongkutklao College of Medicine, Bangkok, Thailand
| | - Ya-Ching Hsieh
- grid.8756.c0000 0001 2193 314XPaul O’Gorman Leukaemia Research Centre, Institute of Cancer Sciences, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | | | - Sheelagh Frame
- grid.481607.c0000 0004 0397 2104Cyclacel Limited, Dundee, UK
| | - Helen Wheadon
- grid.8756.c0000 0001 2193 314XPaul O’Gorman Leukaemia Research Centre, Institute of Cancer Sciences, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Mhairi Copland
- grid.8756.c0000 0001 2193 314XPaul O’Gorman Leukaemia Research Centre, Institute of Cancer Sciences, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
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Liu P, Ma Q, Chen H, Zhang L, Zhang X. Identification of RHOBTB2 aberration as an independent prognostic indicator in acute myeloid leukemia. Aging (Albany NY) 2021; 13:15269-15284. [PMID: 34074803 PMCID: PMC8221349 DOI: 10.18632/aging.203087] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Accepted: 05/11/2021] [Indexed: 04/07/2023]
Abstract
Rho-related BTB domain (RhoBTB) proteins belong to Rho guanosine triphosphatases (GTPases). Their putative role implicated in carcinogenesis has been supported by accumulating evidence. However, their expression pattern and potential role in acute myeloid leukemia (AML) remain unclear. We profiled RHOBTB mRNA expression via the Gene Expression Profiling Interactive Analysis 2 (GEPIA2) database. Survival analysis was conducted with GEPIA2 and UALCAN. Univariate and multivariate Cox regression analyses were performed to validate RHOBTB genes as independent prognostic indicators in the LAML cohort from The Cancer Genome Atlas (TCGA). Data regarding expression in different subtypes and relationships with common disease-related genes were retrieved from UALCAN. Co-expressed genes were screened out and subsequently subjected to functional enrichment analysis. We observed aberrant transcription levels of RHOBTB genes in AML patients. RHOBTB2 was identified as a prognostic candidate for overall survival (OS), independent of prognosis-related clinical factors and genetic abnormalities. Moreover, RHOBTB2 expression was increased in non-acute promyelocytic leukemia (APL) subtypes, patients without FLT3 mutation and PML/RAR fusion, and imparted a positive correlation with the expression of FLT3, FHL1, and RUNXs. Co-expressed genes of RHOBTB2 were enriched in functional pathways in AML. Our findings suggest that RHOBTB2 might be a novel biomarker and independent prognostic indicator in AML and provide insights into the leukemogenesis and molecular network of AML.
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Affiliation(s)
- Peng Liu
- Department of Clinical Laboratory Medicine, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong Medicine and Health Key Laboratory of Laboratory Medicine, Jinan, Shandong Province, PR China
| | - Qinghai Ma
- Department of Clinical Laboratory Medicine, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong Medicine and Health Key Laboratory of Laboratory Medicine, Jinan, Shandong Province, PR China
| | - Hanxiang Chen
- Department of Clinical Laboratory Medicine, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong Medicine and Health Key Laboratory of Laboratory Medicine, Jinan, Shandong Province, PR China
| | - Li Zhang
- Department of Clinical Laboratory Medicine, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong Medicine and Health Key Laboratory of Laboratory Medicine, Jinan, Shandong Province, PR China
| | - Xiaoning Zhang
- Department of Clinical Laboratory Medicine, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong Medicine and Health Key Laboratory of Laboratory Medicine, Jinan, Shandong Province, PR China
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Fultang L, Gneo L, De Santo C, Mussai FJ. Targeting Amino Acid Metabolic Vulnerabilities in Myeloid Malignancies. Front Oncol 2021; 11:674720. [PMID: 34094976 PMCID: PMC8174708 DOI: 10.3389/fonc.2021.674720] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Accepted: 04/26/2021] [Indexed: 01/02/2023] Open
Abstract
Tumor cells require a higher supply of nutrients for growth and proliferation than normal cells. It is well established that metabolic reprograming in cancers for increased nutrient supply exposes a host of targetable vulnerabilities. In this article we review the documented changes in expression patterns of amino acid metabolic enzymes and transporters in myeloid malignancies and the growing list of small molecules and therapeutic strategies used to disrupt amino acid metabolic circuits within the cell. Pharmacological inhibition of amino acid metabolism is effective in inducing cell death in leukemic stem cells and primary blasts, as well as in reducing tumor burden in in vivo murine models of human disease. Thus targeting amino acid metabolism provides a host of potential translational opportunities for exploitation to improve the outcomes for patients with myeloid malignancies.
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Affiliation(s)
- Livingstone Fultang
- Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, United Kingdom
| | - Luciana Gneo
- Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, United Kingdom
| | - Carmela De Santo
- Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, United Kingdom
| | - Francis J Mussai
- Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, United Kingdom
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Sar P, Dalai S. CRISPR/Cas9 in epigenetics studies of health and disease. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2021; 181:309-343. [PMID: 34127198 DOI: 10.1016/bs.pmbts.2021.01.022] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Epigenetics is the heritable phenotypic changes without altering the genotype. Epigenetic processes are such as histone methylation, acetylation, ubiquitination, sumoylation, phosphorylation, ADP ribosylation, DNA methylation and non-coding RNAs interactions associated with structural changes in chromatin. The change of structure is either open chromatin for "active" state or closed chromatin for "inactive" state, that regulates important biological phenomenon like chromatin condensation, gene expression, DNA repair, cellular development, differentiation and homeostasis, etc. However, dysregulation of epigenetic patterns causes diseases like cancer, diabetes, neurological disorder, infectious diseases, autoimmunity etc. Besides, the most important clinical uses of Epigenetics studies are i. identification of disease biomarkers and ii. development of their therapeutics. Epigenetic therapies include epi-drugs, combinatorial therapy, nanocarriers, plant-derived products that are being used for changing the epigenetic pattern to reverse gene expression. However, the developed epi- drugs cause off-target gene and transposable elements activation; promote mutagenesis and carcinogenesis in normal cells, are the major hurdles regarding their clinical use. Therefore, advanced epigenetic therapeutics are required to develop target-specific epigenetic modifications to reverse gene expression pattern. CRISPR-Cas9 (Clustered Regularly Interspaced Palindrome Repeats-associated protein 9) system-mediated gene activation mechanism paves new methods of target-specific epigenetic therapeutics to cure diseases. In this chapter, we discuss how CRISPR/Cas9 and dCas9 have recently been engineered for epigenome editing. Different strategies have been discussed used for epigenome editing based on their efficacy and complexity. Last but not least we have discussed the limitations, different uses of CRISPR/Cas9 and dCas9 in the area of genetic engineering.
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Affiliation(s)
- Pranati Sar
- Institute of Science, NIRMA University, Ahmedabad, India.
| | - Sarat Dalai
- Institute of Science, NIRMA University, Ahmedabad, India.
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37
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Maganti HB, Bailey AJM, Kirkham AM, Shorr R, Pineault N, Allan DS. Persistence of CRISPR/Cas9 gene edited hematopoietic stem cells following transplantation: A systematic review and meta-analysis of preclinical studies. Stem Cells Transl Med 2021; 10:996-1007. [PMID: 33666363 PMCID: PMC8235122 DOI: 10.1002/sctm.20-0520] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Revised: 01/14/2021] [Accepted: 01/24/2021] [Indexed: 12/13/2022] Open
Abstract
Gene editing blood‐derived cells is an attractive approach to cure selected monogenic diseases but remains experimental. A systematic search of preclinical controlled studies is needed to determine the persistence of edited cells following reinfusion. All studies identified in our systematic search (to 20 October 2020) examining the use of CRISPR/Cas9 gene editing in blood‐derived cells for transplantation were included. Meta‐analysis was performed to determine the engraftment and persistence of gene edited cells. A total of 3538 preclinical studies were identified with 15 published articles meeting eligibility for meta‐analysis. These in vivo animal studies examined editing of hemoglobin to correct sickle cell disease (eight studies), inducing resistance to acquired immunodeficiency syndrome (two studies), and six other monogenic disorders (single studies). CRISPR‐Cas9 edited hematopoietic stem and progenitor cells demonstrated equivalent early engraftment compared to controls in meta‐analysis but persistence of gene‐edited cells was reduced at later time points and in secondary transplant recipients. Subgroup analysis in studies targeting the hemoglobin gene revealed a significant reduction in the persistence of gene‐edited cells whether homology‐directed repair or nonhomologous end‐joining were used. No adverse side effects were reported. Significant heterogeneity in study design and outcome reporting was observed and the potential for bias was identified in all studies. CRISPR‐Cas9 gene edited cells engraft similarly to unedited hematopoietic cells. Persistence of gene edited cells, however, remains a challenge and improved methods of targeting hematopoietic stem cells are needed. Reducing heterogeneity and potential risk of bias will hasten the development of informative clinical trials.
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Affiliation(s)
- Harinad B Maganti
- Canadian Blood Services, Stem Cells and Centre for Innovation, Ottawa, Ontario, Canada.,Clinical Epidemiology & Regenerative Medicine, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
| | - Adrian J M Bailey
- Canadian Blood Services, Stem Cells and Centre for Innovation, Ottawa, Ontario, Canada.,Clinical Epidemiology & Regenerative Medicine, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada.,Department of Medicine, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada
| | - Aidan M Kirkham
- Canadian Blood Services, Stem Cells and Centre for Innovation, Ottawa, Ontario, Canada
| | - Risa Shorr
- Information Services, The Ottawa Hospital, Ottawa, Ontario, Canada
| | - Nicolas Pineault
- Canadian Blood Services, Stem Cells and Centre for Innovation, Ottawa, Ontario, Canada
| | - David S Allan
- Canadian Blood Services, Stem Cells and Centre for Innovation, Ottawa, Ontario, Canada.,Clinical Epidemiology & Regenerative Medicine, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada.,Department of Medicine, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada
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Extracellular vesicles (EVs): What we know of the mesmerizing roles of these tiny vesicles in hematological malignancies? Life Sci 2021; 271:119177. [PMID: 33577843 DOI: 10.1016/j.lfs.2021.119177] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 01/29/2021] [Accepted: 01/29/2021] [Indexed: 02/07/2023]
Abstract
Cancer is a complex disease in which a bidirectional collaboration between malignant cells and surrounding microenvironment creates an appropriate platform which ultimately facilitates the progression of the disease. The discovery of extracellular vesicles (EVs) was a turning point in the modern era of cancer biology, as their importance in human malignancies has set the stage to widen research interest in the field of cell-to-cell communication. The implication in short- and long-distance interaction via horizontally transfer of cellular components, ranging from non-coding RNAs to functional proteins, as well as stimulating target cells receptors by the means of ligands anchored on their membrane endows these "tiny vesicles with giant impacts" with incredible potential to re-educate normal tissues, and thus, to re-shape the surrounding niche. In this review, we highlight the pathogenic roles of EVs in human cancers, with an extensive focus on the recent advances in hematological malignancies.
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Féral K, Jaud M, Philippe C, Di Bella D, Pyronnet S, Rouault-Pierre K, Mazzolini L, Touriol C. ER Stress and Unfolded Protein Response in Leukemia: Friend, Foe, or Both? Biomolecules 2021; 11:biom11020199. [PMID: 33573353 PMCID: PMC7911881 DOI: 10.3390/biom11020199] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 01/19/2021] [Accepted: 01/25/2021] [Indexed: 12/15/2022] Open
Abstract
The unfolded protein response (UPR) is an evolutionarily conserved adaptive signaling pathway triggered by a stress of the endoplasmic reticulum (ER) lumen compartment, which is initiated by the accumulation of unfolded proteins. This response, mediated by three sensors-Inositol Requiring Enzyme 1 (IRE1), Activating Transcription Factor 6 (ATF6), and Protein Kinase RNA-Like Endoplasmic Reticulum Kinase (PERK)—allows restoring protein homeostasis and maintaining cell survival. UPR represents a major cytoprotective signaling network for cancer cells, which frequently experience disturbed proteostasis owing to their rapid proliferation in an usually unfavorable microenvironment. Increased basal UPR also participates in the resistance of tumor cells against chemotherapy. UPR activation also occurs during hematopoiesis, and growing evidence supports the critical cytoprotective role played by ER stress in the emergence and proliferation of leukemic cells. In case of severe or prolonged stress, pro-survival UPR may however evolve into a cell death program called terminal UPR. Interestingly, a large number of studies have revealed that the induction of proapoptotic UPR can also strongly contribute to the sensitization of leukemic cells to chemotherapy. Here, we review the current knowledge on the consequences of the deregulation of UPR signaling in leukemias and their implications for the treatment of these diseases.
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Affiliation(s)
- Kelly Féral
- Inserm UMR1037-Cancer Research Center of Toulouse, 2 avenue Hubert Curien, Oncopole entrée C, CS 53717, 31037 Toulouse, France; (K.F.); (M.J.); (S.P.)
- Université Toulouse III Paul-Sabatier, F-31000 Toulouse, France
| | - Manon Jaud
- Inserm UMR1037-Cancer Research Center of Toulouse, 2 avenue Hubert Curien, Oncopole entrée C, CS 53717, 31037 Toulouse, France; (K.F.); (M.J.); (S.P.)
- Université Toulouse III Paul-Sabatier, F-31000 Toulouse, France
| | - Céline Philippe
- Barts Cancer Institute, Queen Mary University of London, London E1 4NS, UK; (C.P.); (D.D.B.); (K.R.-P.)
| | - Doriana Di Bella
- Barts Cancer Institute, Queen Mary University of London, London E1 4NS, UK; (C.P.); (D.D.B.); (K.R.-P.)
| | - Stéphane Pyronnet
- Inserm UMR1037-Cancer Research Center of Toulouse, 2 avenue Hubert Curien, Oncopole entrée C, CS 53717, 31037 Toulouse, France; (K.F.); (M.J.); (S.P.)
- Université Toulouse III Paul-Sabatier, F-31000 Toulouse, France
| | - Kevin Rouault-Pierre
- Barts Cancer Institute, Queen Mary University of London, London E1 4NS, UK; (C.P.); (D.D.B.); (K.R.-P.)
| | - Laurent Mazzolini
- Inserm UMR1037-Cancer Research Center of Toulouse, 2 avenue Hubert Curien, Oncopole entrée C, CS 53717, 31037 Toulouse, France; (K.F.); (M.J.); (S.P.)
- CNRS ERL5294, CRCT, F-31037 Toulouse, France
- Correspondence: (L.M.); (C.T.)
| | - Christian Touriol
- Inserm UMR1037-Cancer Research Center of Toulouse, 2 avenue Hubert Curien, Oncopole entrée C, CS 53717, 31037 Toulouse, France; (K.F.); (M.J.); (S.P.)
- Université Toulouse III Paul-Sabatier, F-31000 Toulouse, France
- Correspondence: (L.M.); (C.T.)
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Sharma M, Bhavani C, Suresh SB, Paul J, Yadav L, Ross C, Srivastava S. Gene expression profiling of CD34(+) cells from patients with myeloproliferative neoplasms. Oncol Lett 2021; 21:204. [PMID: 33574943 PMCID: PMC7816297 DOI: 10.3892/ol.2021.12465] [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: 02/06/2020] [Accepted: 10/08/2020] [Indexed: 01/01/2023] Open
Abstract
Myeloproliferative neoplasms (MPN) are clonal disorders characterized by the increased proliferation of hematopoietic stem cell precursors and mature blood cells. Mutations of Janus kinase 2 (JAK2), Calreticulin (CALR) and MPL (myeloproliferative leukemia virus) are key driver mutations in MPN. However, the molecular profile of triple negative MPN has been a subject of ambiguity over the past few years. Mutations of, methylcytosine dioxygenase TET2, polycomb group protein ASXL1 and histone-lysine N-methyltransferase EZH2 genes have accounted for certain subsets of triple negative MPNs but the driving cause for majority of cases is still unexplored. The present study performed a microarray-based transcriptomic profile analysis of bone marrow-derived CD34(+) cells from seven MPN samples. A total of 21,448 gene signatures were obtained, which were further filtered into 472 upregulated and 202 downregulated genes. Gene ontology and protein-protein interaction (PPI) network analysis highlighted an upregulation of genes involved in cell cycle and chromatin modification in JAK2V617F negative vs. positive MPN samples. Out of the upregulated genes, seven were associated with the hematopoietic stem cell signature, while forty-seven were associated with the embryonic stem cell signature. The majority of the genes identified were under the control of NANOG and E2F4 transcription factors. The PPI network indicated a strong interaction between chromatin modifiers and cell cycle genes, such as histone-lysine N-methyltransferase SUV39H1, SWI/SNF complex subunit SMARCC2, SMARCE2, chromatin remodeling complex subunit SS18, tubulin β (TUBB) and cyclin dependent kinase CDK1. Among the upregulated epigenetic markers, there was a ~10-fold increase in MYB expression in JAK2V617F negative samples. A significant increase in total CD34 counts in JAK2V617F negative vs. positive samples (P<0.05) was also observed. Overall, the present data showed a distinct pattern of expression in JAK2V617F negative vs. positive samples with upregulated genes involved in epigenetic modification.
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Affiliation(s)
- Mugdha Sharma
- Department of Medicine, St. John's Medical College and Hospital, Bengaluru, Karnataka 560034, India
| | - Chandra Bhavani
- St. John's Research Institute, St. John's National Academy of Health Sciences, Bengaluru, Karnataka 560034, India
| | - Srinag Bangalore Suresh
- Department of Medicine, St. John's Medical College and Hospital, Bengaluru, Karnataka 560034, India
| | - John Paul
- Department of Medicine, St. John's Medical College and Hospital, Bengaluru, Karnataka 560034, India
| | - Lokendra Yadav
- Department of Transfusion Medicine and Immunohematology, St. John's Medical College and Hospital, Bengaluru, Karnataka 560034, India
| | - Cecil Ross
- Department of Medicine, St. John's Medical College and Hospital, Bengaluru, Karnataka 560034, India
| | - Sweta Srivastava
- Department of Transfusion Medicine and Immunohematology, St. John's Medical College and Hospital, Bengaluru, Karnataka 560034, India
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Asfour IA, Hegab HM, El-Salakawy WA, Hamza MT, Mansour DA, Saeed AM. Prognostic significance of DNMT3a gene expression and reactive nitrogen species in newly diagnosed Egyptian de novo adult acute myeloid leukemia patients. EGYPTIAN JOURNAL OF MEDICAL HUMAN GENETICS 2020. [DOI: 10.1186/s43042-020-00066-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
DNA methyltransferase 3a (DNMT3a) gene is a frequently dysregulated epigenetic modifier gene involved in the process of carcinogenesis. Also, there is a dichotomous nature of nitric oxide action with the ability to both promote and repress cancers. There is a host of research work delineating the frequency of DNMT3a mutation in acute myeloid leukemia (AML), but little is known about its level of expression in AML patients or its probable relationship to nitrosative stress. This study aims at the assessment DNMT3a gene expression as well as nitric oxide levels in newly diagnosed adult patients with de novo AML. Moreover, it aims at relating these two variables to other disease features and prognostic indicators as well as treatment outcomes. The study included 45 adult de novo AML patients and 10 healthy control subjects. Measurement of DNMT3a messenger ribonucleic acid (mRNA) transcripts was done by real-time quantitative polymerase chain reaction (RQ-PCR) followed by Sanger sequencing to identify the presence or absence of DNMT3a arginine 882 (R882) mutation. This was followed by the assessment of serum nitrite level as a surrogate marker for nitric oxide radical (NO) using colorimetric methods.
Results
DNMT3a gene expression, as well as serum nitrite levels, were significantly higher among AML cases in relation to controls before chemotherapy with P values of < 0.001 and 0.035, respectively. Dividing patients into low and high expressors in relation to the hotspot mutation demonstrated no difference between the two groups in terms of demographic, clinical, and laboratory characteristics or treatment outcomes.
Conclusion
DNMT3a gene expression is increased among the AML population in relation to normal healthy controls. This may point out the need for the assessment of the influence of this gene expression on methylcytosine content of tumor samples with the subsequent implementation of hypomethylating agents as a line of therapy in cases exhibiting excessive hypermethylation.
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Hernandez-Valladares M, Bruserud Ø, Selheim F. The Implementation of Mass Spectrometry-Based Proteomics Workflows in Clinical Routines of Acute Myeloid Leukemia: Applicability and Perspectives. Int J Mol Sci 2020; 21:ijms21186830. [PMID: 32957646 PMCID: PMC7556012 DOI: 10.3390/ijms21186830] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 09/10/2020] [Accepted: 09/15/2020] [Indexed: 02/08/2023] Open
Abstract
With the current reproducibility of proteome preparation workflows along with the speed and sensitivity of the mass spectrometers, the transition of the mass spectrometry (MS)-based proteomics technology from biomarker discovery to clinical implementation is under appraisal in the biomedicine community. Therefore, this technology might be implemented soon to detect well-known biomarkers in cancers and other diseases. Acute myeloid leukemia (AML) is an aggressive heterogeneous malignancy that requires intensive treatment to cure the patient. Leukemia relapse is still a major challenge even for patients who have favorable genetic abnormalities. MS-based proteomics could be of great help to both describe the proteome changes of individual patients and identify biomarkers that might encourage specific treatments or clinical strategies. Herein, we will review the advances and availability of the MS-based proteomics strategies that could already be used in clinical proteomics. However, the heterogeneity of complex diseases as AML requires consensus to recognize AML biomarkers and to establish MS-based workflows that allow their unbiased identification and quantification. Although our literature review appears promising towards the utilization of MS-based proteomics in clinical AML in a near future, major efforts are required to validate AML biomarkers and agree on clinically approved workflows.
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MESH Headings
- Biomarkers, Tumor/analysis
- Biomarkers, Tumor/genetics
- Biomarkers, Tumor/metabolism
- Computational Biology
- Humans
- Leukemia, Myeloid, Acute/diagnosis
- Leukemia, Myeloid, Acute/genetics
- Leukemia, Myeloid, Acute/metabolism
- Leukemia, Myeloid, Acute/therapy
- Mass Spectrometry/methods
- Prognosis
- Proteome/analysis
- Proteome/metabolism
- Proteomics/methods
- Robotics/instrumentation
- Robotics/methods
- Workflow
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Affiliation(s)
- Maria Hernandez-Valladares
- Department of Clinical Science, University of Bergen, 5021 Bergen, Norway
- The Proteomics Facility of the University of Bergen (PROBE), Department of Biomedicine, University of Bergen, 5009 Bergen, Norway
- Correspondence: (M.H.-V.); (Ø.B.); (F.S.); Tel.: +47-55586368 (M.H.-V.); +47-55972997 (Ø.B.); +47-55586368 (F.S.)
| | - Øystein Bruserud
- Department of Clinical Science, University of Bergen, 5021 Bergen, Norway
- Correspondence: (M.H.-V.); (Ø.B.); (F.S.); Tel.: +47-55586368 (M.H.-V.); +47-55972997 (Ø.B.); +47-55586368 (F.S.)
| | - Frode Selheim
- The Proteomics Facility of the University of Bergen (PROBE), Department of Biomedicine, University of Bergen, 5009 Bergen, Norway
- The Department of Biomedicine, University of Bergen, 5009 Bergen, Norway
- Correspondence: (M.H.-V.); (Ø.B.); (F.S.); Tel.: +47-55586368 (M.H.-V.); +47-55972997 (Ø.B.); +47-55586368 (F.S.)
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Maimaitiyiming Y, Zhu HH, Yang C, Naranmandura H. Biotransformation of arsenic trioxide by AS3MT favors eradication of acute promyelocytic leukemia: revealing the hidden facts. Drug Metab Rev 2020; 52:425-437. [PMID: 32677488 DOI: 10.1080/03602532.2020.1791173] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Arsenic trioxide (ATO) is one of the most effective drugs for treatment of acute promyelocytic leukemia (APL). It could specifically target the PML/RARα fusion oncoprotein stability and induces APL cell differentiation as well as apoptosis. Although many studies have been conducted to document the anticancer effects and mechanism of ATO, there is little information about the association between biotransformation of ATO to active arsenic metabolites and APL therapy. Generally, ATO can be rapidly converted into trivalent methylated metabolites by arsenic (+3 oxidation state) methyltransferase (AS3MT) mostly in liver and redistributed to bloodstream of APL patients who receiving ATO treatment, thereby leading to a balance between cytotoxicity and differentiation, which is proposed to be the key event in successful treatment of APL. In this review, we comprehensively discussed possible roles of AS3MT and methylated arsenic metabolites in APL therapy, so as to reveal the association between individual differences of AS3MT expression and activity with the therapeutic efficacy of ATO in APL patients.
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Affiliation(s)
- Yasen Maimaitiyiming
- Department of Hematology of First Affiliated Hospital, and Department of Public Health, Zhejiang University School of Medicine, Hangzhou, China
| | - Hong-Hu Zhu
- Department of Hematology, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Chang Yang
- Department of Hematology of First Affiliated Hospital, and Department of Public Health, Zhejiang University School of Medicine, Hangzhou, China
| | - Hua Naranmandura
- Department of Hematology of First Affiliated Hospital, and Department of Public Health, Zhejiang University School of Medicine, Hangzhou, China
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Turcas C, Moisoiu V, Stefancu A, Jurj A, Iancu SD, Teodorescu P, Pasca S, Bojan A, Trifa A, Iluta S, Zimta AA, Petrushev B, Zdrenghea M, Bumbea H, Coriu D, Dima D, Leopold N, Tomuleasa C. SERS-Based Assessment of MRD in Acute Promyelocytic Leukemia? Front Oncol 2020; 10:1024. [PMID: 32695677 PMCID: PMC7336895 DOI: 10.3389/fonc.2020.01024] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Accepted: 05/22/2020] [Indexed: 12/24/2022] Open
Abstract
Acute promyelocytic leukemia (APL) is characterized by a unique chromosome translocation t(15;17)(q24;q21), which leads to the PML/RARA gene fusion formation. However, it is acknowledged that this rearrangement alone is not able to induce the whole leukemic phenotype. In addition, epigenetic processes, such as DNA methylation, may play a crucial role in leukemia pathogenesis. DNA methylation, catalyzed by DNA methyltransferases (DNMTs), involves the covalent transfer of a methyl group (-CH3) to the fifth carbon of the cytosine ring in the CpG dinucleotide and results in the formation of 5-methylcytosine (5-mC). The aberrant gene promoter methylation can be an alternative mechanism of tumor suppressor gene inactivation. Understanding cancer epigenetics and its pivotal role in oncogenesis, can offer us not only attractive targets for epigenetic treatment but can also provide powerful tools in monitoring the disease and estimating the prognosis. Several genes of interest, such as RARA, RARB, p15, p16, have been studied in APL and their methylation status was correlated with potential diagnostic and prognostic significance. In the present manuscript we comprehensively examine the current knowledge regarding DNA methylation in APL pathogenesis. We also discuss the perspectives of using the DNA methylation patterns as reliable biomarkers for measurable residual disease (MRD) monitoring and as a predictor of relapse. This work also highlights the possibility of detecting aberrant methylation profiles of circulating tumor DNA (ctDNA) through liquid biopsies, using the conventional methods, such as methylation-specific polymerase chain reaction (MS-PCR), sequencing methods, but also revolutionary methods, such as surface-enhanced Raman spectroscopy (SERS).
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Affiliation(s)
- Cristina Turcas
- Department of Hematology, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania.,Department of Hematology, "Ion Chiricuta" Institute of Oncology, Cluj-Napoca, Romania
| | - Vlad Moisoiu
- Department of Hematology, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania.,Faculty of Physics, Babeş Bolyai University, Cluj-Napoca, Romania
| | - Andrei Stefancu
- Faculty of Physics, Babeş Bolyai University, Cluj-Napoca, Romania
| | - Ancuta Jurj
- Research Center for Functional Genomics and Translational Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Stefania D Iancu
- Faculty of Physics, Babeş Bolyai University, Cluj-Napoca, Romania
| | - Patric Teodorescu
- Department of Hematology, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania.,Department of Hematology, "Ion Chiricuta" Institute of Oncology, Cluj-Napoca, Romania
| | - Sergiu Pasca
- Department of Hematology, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania.,Research Center for Functional Genomics and Translational Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Anca Bojan
- Department of Hematology, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania.,Department of Hematology, "Ion Chiricuta" Institute of Oncology, Cluj-Napoca, Romania
| | - Adrian Trifa
- Department of Hematology, "Ion Chiricuta" Institute of Oncology, Cluj-Napoca, Romania
| | - Sabina Iluta
- Department of Hematology, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania.,Department of Hematology, "Ion Chiricuta" Institute of Oncology, Cluj-Napoca, Romania
| | - Alina-Andreea Zimta
- Medfuture Research Center for Advanced Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Bobe Petrushev
- Medfuture Research Center for Advanced Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Mihnea Zdrenghea
- Department of Hematology, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania.,Department of Hematology, "Ion Chiricuta" Institute of Oncology, Cluj-Napoca, Romania
| | - Horia Bumbea
- Department of Hematology, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - Daniel Coriu
- Department of Hematology, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - Delia Dima
- Department of Hematology, "Ion Chiricuta" Institute of Oncology, Cluj-Napoca, Romania
| | - Nicolae Leopold
- Faculty of Physics, Babeş Bolyai University, Cluj-Napoca, Romania
| | - Ciprian Tomuleasa
- Department of Hematology, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania.,Department of Hematology, "Ion Chiricuta" Institute of Oncology, Cluj-Napoca, Romania.,Research Center for Functional Genomics and Translational Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
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Wu H, Cheng X, Huang F, Shao G, Meng Y, Wang L, Wang T, Jia X, Yang T, Wang X, Fu C. Aprepitant Sensitizes Acute Myeloid Leukemia Cells to the Cytotoxic Effects of Cytosine Arabinoside in vitro and in vivo. DRUG DESIGN DEVELOPMENT AND THERAPY 2020; 14:2413-2422. [PMID: 32606608 PMCID: PMC7308242 DOI: 10.2147/dddt.s244648] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Accepted: 05/07/2020] [Indexed: 12/24/2022]
Abstract
Purpose Acute myeloid leukemia (AML) is a complex malignancy characterized by the clonal expansion of immature myeloid precursors. The standard treatment for newly diagnosed AML is chemotherapy consisting of cytosine arabinoside (Ara-C) and anthracyclines with disappointing clinical outcomes and severe adverse effects, such as symptomatic bradycardia, neurotoxicity. Thus, it is promising to treat AML through combination drug therapy to reduce the adverse effects of chemotherapeutics. In our recent published PNAS paper, we reported that NK-1R antagonists, both Aprepitant and SR140333, induce apoptosis of myeloid leukemia cells by inducing oxidative stress through mitochondrial calcium overload. We, therefore, tested the hypothesis of the combination Ara-C with NK-1R antagonist could enhance the efficacy of Ara-C. Methods MTT assay was employed to detect the cell proliferation. Flow cytometry was applied to detect the cell cycle and necrosis. PI uptake and LDH release assay were used to detect the disintegration of the plasma membrane. Xenograft model was constructed to explore the effect of combination Ara-C with Aprepitant in vivo. Results Our results showed that Aprepitant sensitizes HL60 cells to the cytotoxic effects of Ara-C more than 5-fold by enhancing G0/G1 cell cycle arrest and necrosis in vitro. Furthermore, Nec-1, a specific inhibitor of necroptosis, could recover the cell proliferative viability significantly. Attractively, once every 2-days regimen of Ara-C (5 mg/kg) and Aprepitant (10 mg/kg) via in situ injection dramatically reduced the tumor volume from 2175.0 ± 341.9 mm3 in the vehicle group to 828.4 ± 232.4 mm3 in the combination group without obvious toxicity in human myeloid leukemia xenograft mice. Conclusion Taken together, reduced dose of Ara-C combination with moderate Aprepitant provides more effective therapeutical methods for AML treatment in vitro and in vivo with the elimination of the toxicity of Ara-C, which may pay new avenue for the usage of the routine chemotherapy drug Ara-C with low dose to enhance efficacy and reduce toxicity in clinical practice.
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Affiliation(s)
- Hongzhang Wu
- Zhejiang Provincial Key Laboratory of Silkworm Bioreactor and Biomedicine, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, People's Republic of China
| | - Xurui Cheng
- Zhejiang Provincial Key Laboratory of Silkworm Bioreactor and Biomedicine, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, People's Republic of China
| | - Feiyan Huang
- Clinical Laboratory, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou 310006, People's Republic of China
| | - Gang Shao
- Department of Oncology, The 903rd Hospital of PLA, Hangzhou 310013, People's Republic of China
| | - Yueming Meng
- Zhejiang Provincial Key Laboratory of Silkworm Bioreactor and Biomedicine, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, People's Republic of China
| | - Lingfei Wang
- Department of Oncology, The 903rd Hospital of PLA, Hangzhou 310013, People's Republic of China
| | - Tao Wang
- Zhejiang Provincial Key Laboratory of Silkworm Bioreactor and Biomedicine, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, People's Republic of China
| | - Xiaoyuan Jia
- Zhejiang Provincial Key Laboratory of Silkworm Bioreactor and Biomedicine, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, People's Republic of China
| | - Tianxin Yang
- Department of Hematology, Zhejiang Province People's Hospital, Hangzhou 310014, People's Republic of China
| | - Xi Wang
- Department of Oncology, The 903rd Hospital of PLA, Hangzhou 310013, People's Republic of China
| | - Caiyun Fu
- Zhejiang Provincial Key Laboratory of Silkworm Bioreactor and Biomedicine, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, People's Republic of China
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Yan Y, Li X, Gao J. Identification of A-kinase interacting protein 1 as a potential biomarker for risk and prognosis of acute myeloid leukemia. J Clin Lab Anal 2020; 34:e23055. [PMID: 32356617 PMCID: PMC7246368 DOI: 10.1002/jcla.23055] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 08/14/2019] [Accepted: 08/16/2019] [Indexed: 12/12/2022] Open
Abstract
Background This study aimed to investigate the correlation of A‐kinase interacting protein 1 (AKIP1) expression with disease risk, clinical characteristics, and prognosis of acute myeloid leukemia (AML). Methods 291 de novo AML patients and 97 controls were consecutively recruited, and bone marrow samples were collected to detect AKIP1 expression using quantitative polymerase chain reaction prior to initial treatment. Treatment response, event‐free survival (EFS), and overall survival (OS) in AML patients were evaluated. Results A‐kinase interacting protein 1 expression was higher in AML patients than that in controls; meanwhile, receiver operating characteristic curve displayed that AKIP1 was able to distinguish AML patients from controls (area under the curve:0.772, 95%CI: 0.720‐0.823). Among AML patients, AKIP1 high expression was correlated with −7 or 7q−, monosomal karyotype, and worse risk stratification. Moreover, AKIP1 expression was negatively correlated with complete remission achievement, while no correlation of AKIP1 expression with hematopoietic stem cell transplantation achievement was observed. AKIP1 high expression was associated with shorter EFS and OS in total patients, and further subgroup analysis exhibited that AKIP1 high expression correlated with worse EFS and OS in intermediate‐risk and poor‐risk patients but not in better‐risk patients. Besides, subsequent analysis revealed that AKIP1 high expression was an independent factor predicting unfavorable EFS and OS. Conclusion A‐kinase interacting protein 1 has the potential to be a novel marker for assisting AML management.
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Affiliation(s)
- Yan Yan
- Department of Hematology, Bayannur Hospital, Bayannur, China
| | - Xiaoyan Li
- Department of Hematology, Bayannur Hospital, Bayannur, China
| | - Jie Gao
- Department of General Surgery, Bayannur Chinese Medicine Hospital, Bayannur, China
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47
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Lee J, Bayarsaikhan D, Bayarsaikhan G, Kim JS, Schwarzbach E, Lee B. Recent advances in genome editing of stem cells for drug discovery and therapeutic application. Pharmacol Ther 2020; 209:107501. [DOI: 10.1016/j.pharmthera.2020.107501] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Accepted: 02/10/2020] [Indexed: 12/20/2022]
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48
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Gurnari C, Voso MT, Maciejewski JP, Visconte V. From Bench to Bedside and Beyond: Therapeutic Scenario in Acute Myeloid Leukemia. Cancers (Basel) 2020; 12:cancers12020357. [PMID: 32033196 PMCID: PMC7072629 DOI: 10.3390/cancers12020357] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 01/30/2020] [Accepted: 01/31/2020] [Indexed: 12/20/2022] Open
Abstract
Acute myeloid leukemia (AML) is a heterogeneous group of clonal disorders characterized by abnormal proliferation of undifferentiated myeloid progenitors, impaired hematopoiesis, and variable response to therapy. To date, only about 30% of adult patients with AML become long-term survivors and relapse and/or disease refractoriness are the major cause of treatment failure. Thus, this is an urgent unmet clinical need and new drugs are envisaged in order to ameliorate disease survival outcomes. Here, we review the latest therapeutic approaches (investigational and approved agents) for AML treatment. A specific focus will be given to molecularly targeted therapies for AML as a representation of possible agents for precision medicine. We will discuss experimental and preclinical data for FLT3, IDH1, BCL-2, Hedgehog pathway inhibitors, and epitherapy.
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Affiliation(s)
- Carmelo Gurnari
- Department of Translational Hematology and Oncology Research, Taussig Cancer Institute, Cleveland Clinic, Cleveland, OH 44195, USA; (C.G.); (J.P.M.)
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, 00133 Rome, Italy;
| | - Maria Teresa Voso
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, 00133 Rome, Italy;
- Neuro-Oncohematology Unit, Fondazione Santa Lucia, Istituto di Ricovero e Cura a Carattere Scientifico (I.R.C.C.S.), 00143 Rome, Italy
| | - Jaroslaw P. Maciejewski
- Department of Translational Hematology and Oncology Research, Taussig Cancer Institute, Cleveland Clinic, Cleveland, OH 44195, USA; (C.G.); (J.P.M.)
| | - Valeria Visconte
- Department of Translational Hematology and Oncology Research, Taussig Cancer Institute, Cleveland Clinic, Cleveland, OH 44195, USA; (C.G.); (J.P.M.)
- Correspondence:
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Thakur P, Estevez M, Lobue PA, Limbach PA, Addepalli B. Improved RNA modification mapping of cellular non-coding RNAs using C- and U-specific RNases. Analyst 2020; 145:816-827. [PMID: 31825413 PMCID: PMC7002195 DOI: 10.1039/c9an02111f] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Locating ribonucleoside modifications within an RNA sequence requires digestion of the RNA into oligoribonucleotides of amenable size for subsequent analysis by LC-MS (liquid chromatography-mass spectrometry). This approach, widely referred to as RNA modification mapping, is facilitated through ribonucleases (RNases) such as T1 (guanosine-specific), U2 (purine-selective) and A (pyrimidine-specific) among others. Sequence coverage by these enzymes depends on positioning of the recognized nucleobase (such as guanine or purine or pyrimidine) in the sequence and its ribonucleotide composition. Using E. coli transfer RNA (tRNA) and ribosomal RNA (rRNA) as model samples, we demonstrate the ability of complementary nucleobase-specific ribonucleases cusativin (C-specific) and MC1 (U-specific) to generate digestion products that facilitate confident mapping of modifications in regions such as G-rich and pyrimidine-rich segments of RNA, and to distinguish C to U sequence differences. These enzymes also increase the number of oligonucleotide digestion products that are unique to a specific RNA sequence. Further, with these additional RNases, multiple modifications can be localized with high confidence in a single set of experiments with minimal dependence on the individual tRNA abundance in a mixture. The sequence overlaps observed with these complementary digestion products and that of RNase T1 improved sequence coverage to 75% or above. A similar level of sequence coverage was also observed for the 2904 nt long 23S rRNA indicating their utility has no dependence on RNA size. Wide-scale adoption of these additional modification mapping tools could help expedite the characterization of modified RNA sequences to understand their structural and functional role in various living systems.
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Affiliation(s)
- Priti Thakur
- Rieveschl Laboratories for Mass Spectrometry, Department of Chemistry, University of Cincinnati, Cincinnati, OH 45221, USA.
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Wang CH, Li QY, Nie L, Ma J, Yao CJ, Chen FP. LncRNA ANRIL promotes cell proliferation, migration and invasion during acute myeloid leukemia pathogenesis via negatively regulating miR-34a. Int J Biochem Cell Biol 2019; 119:105666. [PMID: 31830533 DOI: 10.1016/j.biocel.2019.105666] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 12/06/2019] [Accepted: 12/07/2019] [Indexed: 12/11/2022]
Abstract
OBJECTIVE LncRNA ANRIL (antisense non-coding RNA in the INK4 locus) was highly expressed in acute myeloid leukemia (AML) patients to promote AML pathogenesis. In this study, we aimed to investigate the roles and molecular events of ANRIL associated with AML progression. METHODS Expression patterns of ANRIL and miR-34a in the bone marrow (BM) samples and cell lines were determined using qRT-PCR. Cell proliferation, apoptosis, migration and invasion of cells with ANRIL knockdown or miR-34a overexpression were assessed by CCK-8, EdU staining, flow cytometry and Transwell assays, respectively. The dual-luciferase reporter assay was employed to validate the relationship between miR-34a and Histone deacetylase 1 (HDAC1). The binding of E2 F1 (E2 F transcription factor 1) with gene promoter was analyzed by ChIP. Furthermore, the tumorigenicity of AML was determined by xenograft transplantation in nude mice. RESULTS ANRIL was up-regulated both in the BM samples from AML patients and cell lines (HL-60 and THP-1), of which expression was negatively correlated with miR-34a expression. ANRIL knockdown inhibited cell proliferation, migration and invasion but promoted apoptosis of AML cells, while overexpression of miR-34a exerted opposite effects. miR-34a was verified as a downstream gene targeted by ANRIL. Moreover, HDAC1 was a direct target of miR-34a, and HDAC1 overexpression impaired the recruitment of E2 F1 to ASPP2 (apoptosis stimulating proteins of p53) gene promoter. ANRIL knockdown significantly inhibited the tumorigenesis of AML. CONCLUSION ANRIL promotes AML development through HDAC1-mediated epigenetic suppression of ASPP2 via negatively regulating miR-34a, which might serve as a therapeutic target for AML treatment.
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Affiliation(s)
- Cheng-Hong Wang
- Department of Hematology, Xiangya Third Hospital, Central South University, Changsha 410013, PR China
| | - Qian-Yuan Li
- Department of Hematology, Xiangya Third Hospital, Central South University, Changsha 410013, PR China
| | - Lu Nie
- Department of Hematology, Xiangya Third Hospital, Central South University, Changsha 410013, PR China
| | - Jie Ma
- Department of Hematology, Xiangya Third Hospital, Central South University, Changsha 410013, PR China
| | - Chen-Jiao Yao
- Department of Hematology, Xiangya Third Hospital, Central South University, Changsha 410013, PR China
| | - Fang-Ping Chen
- Department of Hematology, Xiangya Third Hospital, Central South University, Changsha 410013, PR China.
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