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Calbert ML, Chandramouly G, Adams CM, Saez-Ayala M, Kent T, Tyagi M, Ayyadevara VSSA, Wang Y, Krais JJ, Gordon J, Atkins J, Toma MM, Betzi S, Boghossian AS, Rees MG, Ronan MM, Roth JA, Goldman AR, Gorman N, Mitra R, Childers WE, Graña X, Skorski T, Johnson N, Hurtz C, Morelli X, Eischen CM, Pomerantz RT. 4'-Ethynyl-2'-Deoxycytidine (EdC) Preferentially Targets Lymphoma and Leukemia Subtypes by Inducing Replicative Stress. Mol Cancer Ther 2024; 23:683-699. [PMID: 38064712 PMCID: PMC11286238 DOI: 10.1158/1535-7163.mct-23-0487] [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: 07/27/2023] [Revised: 10/18/2023] [Accepted: 12/06/2023] [Indexed: 12/20/2023]
Abstract
Anticancer nucleosides are effective against solid tumors and hematologic malignancies, but typically are prone to nucleoside metabolism resistance mechanisms. Using a nucleoside-specific multiplexed high-throughput screening approach, we discovered 4'-ethynyl-2'-deoxycytidine (EdC) as a third-generation anticancer nucleoside prodrug with preferential activity against diffuse large B-cell lymphoma (DLBCL) and acute lymphoblastic leukemia (ALL). EdC requires deoxycytidine kinase (DCK) phosphorylation for its activity and induces replication fork arrest and accumulation of cells in S-phase, indicating it acts as a chain terminator. A 2.1Å cocrystal structure of DCK bound to EdC and UDP reveals how the rigid 4'-alkyne of EdC fits within the active site of DCK. Remarkably, EdC was resistant to cytidine deamination and SAMHD1 metabolism mechanisms and exhibited higher potency against ALL compared with FDA-approved nelarabine. Finally, EdC was highly effective against DLBCL tumors and B-ALL in vivo. These data characterize EdC as a preclinical nucleoside prodrug candidate for DLBCL and ALL.
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Affiliation(s)
- Marissa L. Calbert
- Department of Biochemistry and Molecular Biology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA, USA
- Fels Institute for Personalized Medicine, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, USA
| | - Gurushankar Chandramouly
- Department of Biochemistry and Molecular Biology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA, USA
| | - Clare M. Adams
- Department of Pharmacology, Physiology, and Cancer Biology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA, USA
| | - Magali Saez-Ayala
- Centre de Recherche en Cancérologie de Marseille (CRCM), CNRS, INSERM, Aix-Marseille Univ, Institut Paoli-Calmettes, Marseille, France
| | - Tatiana Kent
- Department of Biochemistry and Molecular Biology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA, USA
| | - Mrityunjay Tyagi
- Department of Biochemistry and Molecular Biology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA, USA
| | - V. S. S. Abhinav Ayyadevara
- Fels Institute for Personalized Medicine, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, USA
| | - Yifan Wang
- Fox Chase Cancer Center, Philadelphia, PA, USA
| | | | - John Gordon
- Moulder Center for Drug Discovery Research, Temple University School of Pharmacy, Philadelphia, PA, USA
| | - Jessica Atkins
- Fels Institute for Personalized Medicine, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, USA
| | - Monika M. Toma
- Fels Institute for Personalized Medicine, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, USA
| | - Stéphane Betzi
- Centre de Recherche en Cancérologie de Marseille (CRCM), CNRS, INSERM, Aix-Marseille Univ, Institut Paoli-Calmettes, Marseille, France
| | | | | | | | | | | | | | - Ramkrishna Mitra
- Division of Biostatistics, Department of Pharmacology, Physiology, and Cancer Biology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA, USA
| | - Wayne E. Childers
- Moulder Center for Drug Discovery Research, Temple University School of Pharmacy, Philadelphia, PA, USA
| | - Xavier Graña
- Fels Institute for Personalized Medicine, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, USA
| | - Tomasz Skorski
- Fels Institute for Personalized Medicine, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, USA
| | | | - Christian Hurtz
- Fels Institute for Personalized Medicine, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, USA
| | - Xavier Morelli
- Centre de Recherche en Cancérologie de Marseille (CRCM), CNRS, INSERM, Aix-Marseille Univ, Institut Paoli-Calmettes, Marseille, France
| | - Christine M. Eischen
- Department of Pharmacology, Physiology, and Cancer Biology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA, USA
| | - Richard T. Pomerantz
- Department of Biochemistry and Molecular Biology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA, USA
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Ekpa QL, Akahara PC, Anderson AM, Adekoya OO, Ajayi OO, Alabi PO, Okobi OE, Jaiyeola O, Ekanem MS. A Review of Acute Lymphocytic Leukemia (ALL) in the Pediatric Population: Evaluating Current Trends and Changes in Guidelines in the Past Decade. Cureus 2023; 15:e49930. [PMID: 38179374 PMCID: PMC10766210 DOI: 10.7759/cureus.49930] [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] [Accepted: 12/04/2023] [Indexed: 01/06/2024] Open
Abstract
Acute lymphocytic leukemia (ALL) is a commonly diagnosed cancer in children. Despite technological advancements to improve treatment and survival rates, there has been a steady increase in the incidence of ALL and treatment failures. This paper discusses the pathogenic interaction between genetic and environmental factors leading to childhood ALL. It evaluates the current treatment guidelines and notable obstacles leading to resistance, relapse, and treatment toxicities. The review evaluates a 10-year trend in the management guidelines of pediatric ALL through a systematic literature review of records from 2012 to 2023. Findings show that improvement in the five-year survival rates, notwithstanding rates of relapse and incurable diseases, is still high. Furthermore, several risk factors, including an interplay between genetic and environmental factors, are largely contributory to the outcome of ALL treatments and its overall incidence. Moreover, huge financial costs have remained a significant challenge in outcomes. There remains a need to provide individualized treatment plans, shared decision-making, and goals of care as parts of the management guidelines for the best possible outcomes. We expect that future advancements will increase overall survival rates and disease-free years.
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Affiliation(s)
- Queen L Ekpa
- General Practice, Conestoga College, Kitchener, CAN
| | | | - Alexis M Anderson
- Pediatric Medicine, St. George's University, School of Medicine, St. George's, GRD
| | | | - Olamide O Ajayi
- Pediatrics, Medway Maritime Hospital, Kent, GBR
- Internal Medicine, Obafemi Awolowo College of Health Sciences, Olabisi Onabanjo University, Sagamu, NGA
| | - Peace O Alabi
- Pediatrics, University of Abuja Teaching Hospital, Abuja, NGA
| | - Okelue E Okobi
- Family Medicine, Larkin Community Hospital Palm Springs Campus, Hialeah, USA
- Family Medicine, Medficient Health Systems, Laurel, USA
- Family Medicine, Lakeside Medical Center, Belle Glade, USA
| | | | - Medara S Ekanem
- General Medicine, Babcock University Teaching Hospital, Ilishan-Remo, NGA
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Wang C, Zong X, Wu F, Leung RWT, Hu Y, Qin J. DNA- and RNA-Binding Proteins Linked Transcriptional Control and Alternative Splicing Together in a Two-Layer Regulatory Network System of Chronic Myeloid Leukemia. Front Mol Biosci 2022; 9:920492. [PMID: 36052164 PMCID: PMC9425088 DOI: 10.3389/fmolb.2022.920492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 06/24/2022] [Indexed: 11/30/2022] Open
Abstract
DNA- and RNA-binding proteins (DRBPs) typically possess multiple functions to bind both DNA and RNA and regulate gene expression from more than one level. They are controllers for post-transcriptional processes, such as splicing, polyadenylation, transportation, translation, and degradation of RNA transcripts in eukaryotic organisms, as well as regulators on the transcriptional level. Although DRBPs are reported to play critical roles in various developmental processes and diseases, it is still unclear how they work with DNAs and RNAs simultaneously and regulate genes at the transcriptional and post-transcriptional levels. To investigate the functional mechanism of DRBPs, we collected data from a variety of databases and literature and identified 118 DRBPs, which function as both transcription factors (TFs) and splicing factors (SFs), thus called DRBP-SF. Extensive investigations were conducted on four DRBP-SFs that were highly expressed in chronic myeloid leukemia (CML), heterogeneous nuclear ribonucleoprotein K (HNRNPK), heterogeneous nuclear ribonucleoprotein L (HNRNPL), non-POU domain–containing octamer–binding protein (NONO), and TAR DNA-binding protein 43 (TARDBP). By integrating and analyzing ChIP-seq, CLIP-seq, RNA-seq, and shRNA-seq data in K562 using binding and expression target analysis and Statistical Utility for RBP Functions, we discovered a two-layer regulatory network system centered on these four DRBP-SFs and proposed three possible regulatory models where DRBP-SFs can connect transcriptional and alternative splicing regulatory networks cooperatively in CML. The exploration of the identified DRBP-SFs provides new ideas for studying DRBP and regulatory networks, holding promise for further mechanistic discoveries of the two-layer gene regulatory system that may play critical roles in the occurrence and development of CML.
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Affiliation(s)
- Chuhui Wang
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Shenzhen, China
| | - Xueqing Zong
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Shenzhen, China
| | - Fanjie Wu
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Shenzhen, China
| | - Ricky Wai Tak Leung
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Shenzhen, China
- College of Professional and Continuing Education, The Hong Kong Polytechnic University, Hong Kong, China
| | - Yaohua Hu
- Shenzhen Key Laboratory of Advanced Machine Learning and Applications, College of Mathematics and Statistics, Shenzhen University, Shenzhen, China
- *Correspondence: Yaohua Hu, ; Jing Qin,
| | - Jing Qin
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Shenzhen, China
- *Correspondence: Yaohua Hu, ; Jing Qin,
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A comparative proteomic study of plasma in Colombian childhood acute lymphoblastic leukemia. PLoS One 2019; 14:e0221509. [PMID: 31437251 PMCID: PMC6705836 DOI: 10.1371/journal.pone.0221509] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2018] [Accepted: 08/08/2019] [Indexed: 01/24/2023] Open
Abstract
Acute lymphoblastic leukemia (ALL) is the most common childhood cancer. Owing to the incorporation of risk-adapted therapy and the arrival of new directed agents, the cure rate and survival of patients with ALL have improved dramatically, get near to 90%. In Latin American countries, the mortality rates of ALL are high, for example in Colombia, during the last decade, ALL has been the most prevalent cancer among children between 0–14 years of age. In the face of this public health problem and coupled with the fact that the knowledge of the proteome of the child population is little, our investigation proposes the study of the plasma proteome of Colombian children diagnosed with B-cell ALL (B-ALL) to determine potential disease markers that could reflect processes altered by the presence of the disease or in response to it. A proteomic study by LC-MS/MS and quantification by label-free methods were performed in search of proteins differentially expressed between healthy children and those diagnosed with B-ALL. We quantified a total of 472 proteins in depleted blood plasma, and 25 of these proteins were differentially expressed (fold change >2, Bonferroni-adjusted P-values <0.05). Plasma Aggrecan core protein, alpha-2-HS-glycoprotein, coagulation factor XIII A chain and gelsolin protein were examined by ELISA assay and compared to shotgun proteomics results. Our data provide new information on the plasma proteome of Colombian children. Additionally, these proteins may also have certain potential as illness markers or as therapeutic targets in subsequent investigations.
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