1
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Derks LLM, van Boxtel R. Stem cell mutations, associated cancer risk, and consequences for regenerative medicine. Cell Stem Cell 2023; 30:1421-1433. [PMID: 37832550 PMCID: PMC10624213 DOI: 10.1016/j.stem.2023.09.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 09/05/2023] [Accepted: 09/20/2023] [Indexed: 10/15/2023]
Abstract
Mutation accumulation in stem cells has been associated with cancer risk. However, the presence of numerous mutant clones in healthy tissues has raised the question of what limits cancer initiation. Here, we review recent developments in characterizing mutation accumulation in healthy tissues and compare mutation rates in stem cells during development and adult life with corresponding cancer risk. A certain level of mutagenesis within the stem cell pool might be beneficial to limit the size of malignant clones through competition. This knowledge impacts our understanding of carcinogenesis with potential consequences for the use of stem cells in regenerative medicine.
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Affiliation(s)
- Lucca L M Derks
- Princess Máxima Center for Pediatric Oncology, Heidelberglaan 25, 3584 CS Utrecht, the Netherlands; Oncode Institute, Jaarbeursplein 6, 3521 AL Utrecht, the Netherlands
| | - Ruben van Boxtel
- Princess Máxima Center for Pediatric Oncology, Heidelberglaan 25, 3584 CS Utrecht, the Netherlands; Oncode Institute, Jaarbeursplein 6, 3521 AL Utrecht, the Netherlands.
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2
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Middelkamp S, Manders F, Peci F, van Roosmalen MJ, González DM, Bertrums EJ, van der Werf I, Derks LL, Groenen NM, Verheul M, Trabut L, Pleguezuelos-Manzano C, Brandsma AM, Antoniou E, Reinhardt D, Bierings M, Belderbos ME, van Boxtel R. Comprehensive single-cell genome analysis at nucleotide resolution using the PTA Analysis Toolbox. CELL GENOMICS 2023; 3:100389. [PMID: 37719152 PMCID: PMC10504672 DOI: 10.1016/j.xgen.2023.100389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 05/30/2023] [Accepted: 08/02/2023] [Indexed: 09/19/2023]
Abstract
Detection of somatic mutations in single cells has been severely hampered by technical limitations of whole-genome amplification. Novel technologies including primary template-directed amplification (PTA) significantly improved the accuracy of single-cell whole-genome sequencing (WGS) but still generate hundreds of artifacts per amplification reaction. We developed a comprehensive bioinformatic workflow, called the PTA Analysis Toolbox (PTATO), to accurately detect single base substitutions, insertions-deletions (indels), and structural variants in PTA-based WGS data. PTATO includes a machine learning approach and filtering based on recurrence to distinguish PTA artifacts from true mutations with high sensitivity (up to 90%), outperforming existing bioinformatic approaches. Using PTATO, we demonstrate that hematopoietic stem cells of patients with Fanconi anemia, which cannot be analyzed using regular WGS, have normal somatic single base substitution burdens but increased numbers of deletions. Our results show that PTATO enables studying somatic mutagenesis in the genomes of single cells with unprecedented sensitivity and accuracy.
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Affiliation(s)
- Sjors Middelkamp
- Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands
- Oncode Institute, Utrecht, the Netherlands
| | - Freek Manders
- Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands
- Oncode Institute, Utrecht, the Netherlands
| | - Flavia Peci
- Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands
- Oncode Institute, Utrecht, the Netherlands
| | - Markus J. van Roosmalen
- Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands
- Oncode Institute, Utrecht, the Netherlands
| | - Diego Montiel González
- Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands
- Oncode Institute, Utrecht, the Netherlands
| | - Eline J.M. Bertrums
- Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands
- Oncode Institute, Utrecht, the Netherlands
- Department of Pediatric Oncology, Erasmus Medical Center – Sophia Children’s Hospital, Rotterdam, the Netherlands
| | - Inge van der Werf
- Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands
- Oncode Institute, Utrecht, the Netherlands
| | - Lucca L.M. Derks
- Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands
- Oncode Institute, Utrecht, the Netherlands
| | - Niels M. Groenen
- Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands
- Oncode Institute, Utrecht, the Netherlands
| | - Mark Verheul
- Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands
- Oncode Institute, Utrecht, the Netherlands
| | - Laurianne Trabut
- Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands
- Oncode Institute, Utrecht, the Netherlands
| | - Cayetano Pleguezuelos-Manzano
- Oncode Institute, Utrecht, the Netherlands
- Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences (KNAW) and UMC Utrecht, Utrecht, the Netherlands
| | - Arianne M. Brandsma
- Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands
- Oncode Institute, Utrecht, the Netherlands
| | - Evangelia Antoniou
- Department of Pediatric Hematology and Oncology, University Hospital Essen, Essen, Germany
| | - Dirk Reinhardt
- Department of Pediatric Hematology and Oncology, University Hospital Essen, Essen, Germany
| | - Marc Bierings
- Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands
| | | | - Ruben van Boxtel
- Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands
- Oncode Institute, Utrecht, the Netherlands
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3
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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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4
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van der Werf I, Mondala PK, Steel SK, Balaian L, Ladel L, Mason CN, Diep RH, Pham J, Cloos J, Kaspers GJL, Chan WC, Mark A, La Clair JJ, Wentworth P, Fisch KM, Crews LA, Whisenant TC, Burkart MD, Donohoe ME, Jamieson CHM. Detection and targeting of splicing deregulation in pediatric acute myeloid leukemia stem cells. Cell Rep Med 2023; 4:100962. [PMID: 36889320 PMCID: PMC10040387 DOI: 10.1016/j.xcrm.2023.100962] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Revised: 08/03/2022] [Accepted: 02/10/2023] [Indexed: 03/09/2023]
Abstract
Pediatric acute myeloid leukemia (pAML) is typified by high relapse rates and a relative paucity of somatic DNA mutations. Although seminal studies show that splicing factor mutations and mis-splicing fuel therapy-resistant leukemia stem cell (LSC) generation in adults, splicing deregulation has not been extensively studied in pAML. Herein, we describe single-cell proteogenomics analyses, transcriptome-wide analyses of FACS-purified hematopoietic stem and progenitor cells followed by differential splicing analyses, dual-fluorescence lentiviral splicing reporter assays, and the potential of a selective splicing modulator, Rebecsinib, in pAML. Using these methods, we discover transcriptomic splicing deregulation typified by differential exon usage. In addition, we discover downregulation of splicing regulator RBFOX2 and CD47 splice isoform upregulation. Importantly, splicing deregulation in pAML induces a therapeutic vulnerability to Rebecsinib in survival, self-renewal, and lentiviral splicing reporter assays. Taken together, the detection and targeting of splicing deregulation represent a potentially clinically tractable strategy for pAML therapy.
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Affiliation(s)
- Inge van der Werf
- Division of Regenerative Medicine, Department of Medicine, Sanford Stem Cell Institute, Moores Cancer Center, University of California, San Diego, La Jolla, CA 92037, USA; Department of Hematology, Amsterdam University Medical Center, VU University Medical Center, Cancer Center Amsterdam, Amsterdam, the Netherlands; Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands
| | - Phoebe K Mondala
- Division of Regenerative Medicine, Department of Medicine, Sanford Stem Cell Institute, Moores Cancer Center, University of California, San Diego, La Jolla, CA 92037, USA
| | - S Kathleen Steel
- Division of Regenerative Medicine, Department of Medicine, Sanford Stem Cell Institute, Moores Cancer Center, University of California, San Diego, La Jolla, CA 92037, USA
| | - Larisa Balaian
- Division of Regenerative Medicine, Department of Medicine, Sanford Stem Cell Institute, Moores Cancer Center, University of California, San Diego, La Jolla, CA 92037, USA
| | - Luisa Ladel
- Division of Regenerative Medicine, Department of Medicine, Sanford Stem Cell Institute, Moores Cancer Center, University of California, San Diego, La Jolla, CA 92037, USA
| | - Cayla N Mason
- Division of Regenerative Medicine, Department of Medicine, Sanford Stem Cell Institute, Moores Cancer Center, University of California, San Diego, La Jolla, CA 92037, USA
| | - Raymond H Diep
- Division of Regenerative Medicine, Department of Medicine, Sanford Stem Cell Institute, Moores Cancer Center, University of California, San Diego, La Jolla, CA 92037, USA
| | - Jessica Pham
- Division of Regenerative Medicine, Department of Medicine, Sanford Stem Cell Institute, Moores Cancer Center, University of California, San Diego, La Jolla, CA 92037, USA
| | - Jacqueline Cloos
- Department of Hematology, Amsterdam University Medical Center, VU University Medical Center, Cancer Center Amsterdam, Amsterdam, the Netherlands
| | - Gertjan J L Kaspers
- Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands; Emma Children's Hospital Amsterdam, Amsterdam UMC, Vrije Universiteit Amsterdam, Pediatric Oncology, Amsterdam, the Netherlands
| | - Warren C Chan
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA 92037, USA
| | - Adam Mark
- Center for Computational Biology and Bioinformatics (CCBB), University of California, San Diego, La Jolla, CA 92037, USA
| | - James J La Clair
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA 92037, USA
| | - Peggy Wentworth
- Division of Regenerative Medicine, Department of Medicine, Sanford Stem Cell Institute, Moores Cancer Center, University of California, San Diego, La Jolla, CA 92037, USA
| | - Kathleen M Fisch
- Center for Computational Biology and Bioinformatics (CCBB), University of California, San Diego, La Jolla, CA 92037, USA
| | - Leslie A Crews
- Division of Regenerative Medicine, Department of Medicine, Sanford Stem Cell Institute, Moores Cancer Center, University of California, San Diego, La Jolla, CA 92037, USA
| | - Thomas C Whisenant
- Center for Computational Biology and Bioinformatics (CCBB), University of California, San Diego, La Jolla, CA 92037, USA
| | - Michael D Burkart
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA 92037, USA
| | - Mary E Donohoe
- Division of Regenerative Medicine, Department of Medicine, Sanford Stem Cell Institute, Moores Cancer Center, University of California, San Diego, La Jolla, CA 92037, USA
| | - Catriona H M Jamieson
- Division of Regenerative Medicine, Department of Medicine, Sanford Stem Cell Institute, Moores Cancer Center, University of California, San Diego, La Jolla, CA 92037, USA.
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5
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Lou Q, Chen F, Li B, Zhang M, Yin F, Liu X, Zhang Z, Zhang X, Fan C, Gao Y, Yang Y. Malignant growth of arsenic-transformed cells depends on activated Akt induced by reactive oxygen species. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2023; 33:284-298. [PMID: 34974760 DOI: 10.1080/09603123.2021.2023113] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 12/22/2021] [Indexed: 06/14/2023]
Abstract
Arsenic is an identified carcinogen for humans.In this study, chronic exposure of human hepatocyte L-02 to low-doses of inorganic arsenic caused cell malignant proliferation. Meanwhile, compared with normal L-02 cells, arsenic-transformed malignant cells, L-02-As displayed more ROS and significantly higher Cyclin D1 expression as well as aerobic glycolysis. Moreover, Akt activation is followed by the upregulation of Cyclin D1 and HK2 expression in L-02-As cells, since inhibition of Akt activity by Ly294002 attenuated the colony formation in soft agar and decreased the levels of Cyclin D1 and HK2. In addition, scavenging of ROS by NAC resulted in a decreased expression of phospho-Akt, HK2 and Cyclin D1, and attenuates the ability of anchorage-independent growth ofL-02-As cells, suggested that ROS mediated the Akt activation in L-02-As cells. In summary, our results demonstrated that ROS contributes to the malignant phenotype of arsenic-transformed human hepatocyte L-02-As via the activation of Akt pathway.
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Affiliation(s)
- Qun Lou
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Fuxun Chen
- Yantai Center for Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Yantai, Shandong, China
| | - Bingyang Li
- Yantai Center for Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Yantai, Shandong, China
| | - Meichen Zhang
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Fanshuo Yin
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Xiaona Liu
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Zaihong Zhang
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Xin Zhang
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Chenlu Fan
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Yanhui Gao
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Yanmei Yang
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, Heilongjiang Province, China
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6
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Circular RNAs and Untranslated Regions in Acute Myeloid Leukemia. Int J Mol Sci 2023; 24:ijms24043215. [PMID: 36834627 PMCID: PMC9967498 DOI: 10.3390/ijms24043215] [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: 11/15/2022] [Revised: 01/05/2023] [Accepted: 01/20/2023] [Indexed: 02/10/2023] Open
Abstract
Before the advent of next-generation sequencing, research on acute myeloid leukemia (AML) mostly centered on protein-coding genes. In recent years, breakthroughs in RNA sequencing technologies and whole transcriptome analysis have led to the discovery that approximately 97.5% of the human genome is transcribed into non-coding RNAs (ncRNAs). This paradigm shift has led to an explosion of research interest in different classes of non-coding RNAs, such as circular RNAs (circRNAs) as well as non-coding untranslated regions (UTRs) of protein-coding messenger RNAs. The critical roles of circRNAs and UTRs in AML pathogenesis have become increasingly apparent. In this review, we discuss the cellular mechanisms of circRNAs and summarize recent studies that reveal their biological roles in AML. Furthermore, we also review the contribution of 3'UTRs to disease progression. Finally, we discuss the potential of circRNAs and 3'UTRs as new biomarkers for disease stratification and/or the prediction of treatment response and targets for the development of RNA-directed therapeutic applications.
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7
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Gasic V, Karan-Djurasevic T, Pavlovic D, Zukic B, Pavlovic S, Tosic N. Diagnostic and Therapeutic Implications of Long Non-Coding RNAs in Leukemia. Life (Basel) 2022; 12:1770. [PMID: 36362925 PMCID: PMC9695865 DOI: 10.3390/life12111770] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 10/27/2022] [Accepted: 10/29/2022] [Indexed: 08/26/2023] Open
Abstract
Leukemia is a heterogenous group of hematological malignancies categorized in four main types (acute myeloid leukemia (AML), acute lymphoblastic leukemia (ALL), chronic myeloid leukemia (CML) and chronic lymphocytic leukemia (CLL). Several cytogenetic and molecular markers have become a part of routine analysis for leukemia patients. These markers have been used in diagnosis, risk-stratification and targeted therapy application. Recent studies have indicated that numerous regulatory RNAs, such as long non-coding RNAs (lncRNAs), have a role in tumor initiation and progression. When it comes to leukemia, data for lncRNA involvement in its etiology, progression, diagnosis, treatment and prognosis is limited. The aim of this review is to summarize research data on lncRNAs in different types of leukemia, on their expression pattern, their role in leukemic transformation and disease progression. The usefulness of this information in the clinical setting, i.e., for diagnostic and prognostic purposes, will be emphasized. Finally, how particular lncRNAs could be used as potential targets for the application of targeted therapy will be considered.
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Affiliation(s)
- Vladimir Gasic
- Laboratory for Molecular Biomedicine, Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, 11042 Belgrade, Serbia
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8
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Testa U, Castelli G, Pelosi E. Clonal Hematopoiesis: Role in Hematologic and Non-Hematologic Malignancies. Mediterr J Hematol Infect Dis 2022; 14:e2022069. [PMID: 36119457 PMCID: PMC9448266 DOI: 10.4084/mjhid.2022.069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Accepted: 08/18/2022] [Indexed: 02/08/2023] Open
Abstract
Hematopoietic stem cells (HSCs) ensure the coordinated and balanced production of all hematopoietic cell types throughout life. Aging is associated with a gradual decline of the self-renewal and regenerative potential of HSCs and with the development of clonal hematopoiesis. Clonal hematopoiesis of indeterminate potential (CHIP) defines the clonal expansion of genetically variant hematopoietic cells bearing one or more gene mutations and/or structural variants (such as copy number alterations). CHIP increases exponentially with age and is associated with cancers, including hematologic neoplasia, cardiovascular and other diseases. The presence of CHIP consistently increases the risk of hematologic malignancy, particularly in individuals who have CHIP in association with peripheral blood cytopenia.
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Affiliation(s)
- Ugo Testa
- Department of Oncology, Istituto Superiore di Sanità, Rome, Italy
| | - Germana Castelli
- Department of Oncology, Istituto Superiore di Sanità, Rome, Italy
| | - Elvira Pelosi
- Department of Oncology, Istituto Superiore di Sanità, Rome, Italy
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9
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Bertrums EJ, Rosendahl Huber AK, de Kanter JK, Brandsma AM, van Leeuwen AJ, Verheul M, van den Heuvel-Eibrink MM, Oka R, van Roosmalen MJ, de Groot-Kruseman HA, Zwaan CM, Goemans BF, van Boxtel R. Elevated Mutational Age in Blood of Children Treated for Cancer Contributes to Therapy-Related Myeloid Neoplasms. Cancer Discov 2022; 12:1860-1872. [PMID: 35678530 PMCID: PMC7613255 DOI: 10.1158/2159-8290.cd-22-0120] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 05/06/2022] [Accepted: 06/07/2022] [Indexed: 01/07/2023]
Abstract
Childhood cancer survivors are confronted with various chronic health conditions like therapy-related malignancies. However, it is unclear how exposure to chemotherapy contributes to the mutation burden and clonal composition of healthy tissues early in life. Here, we studied mutation accumulation in hematopoietic stem and progenitor cells (HSPC) before and after cancer treatment of 24 children. Of these children, 19 developed therapy-related myeloid neoplasms (t-MN). Posttreatment HSPCs had an average mutation burden increase comparable to what treatment-naïve cells accumulate during 16 years of life, with excesses up to 80 years. In most children, these additional mutations were induced by clock-like processes, which are also active during healthy aging. Other patients harbored mutations that could be directly attributed to treatments like platinum-based drugs and thiopurines. Using phylogenetic inference, we demonstrate that most t-MN in children originate after the start of treatment and that leukemic clones become dominant during or directly after chemotherapy exposure. SIGNIFICANCE Our study shows that chemotherapy increases the mutation burden of normal blood cells in cancer survivors. Only few drugs damage the DNA directly, whereas in most patients, chemotherapy-induced mutations are caused by processes similar to those present during normal aging. This article is highlighted in the In This Issue feature, p. 1825.
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Affiliation(s)
- Eline J.M. Bertrums
- Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands.,Oncode Institute, Utrecht, the Netherlands.,Department of Pediatric Oncology, Erasmus Medical Center – Sophia Children's Hospital, Rotterdam, the Netherlands
| | - Axel K.M. Rosendahl Huber
- Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands.,Oncode Institute, Utrecht, the Netherlands
| | - Jurrian K. de Kanter
- Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands.,Oncode Institute, Utrecht, the Netherlands
| | - Arianne M. Brandsma
- Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands.,Oncode Institute, Utrecht, the Netherlands
| | - Anaïs J.C.N. van Leeuwen
- Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands.,Oncode Institute, Utrecht, the Netherlands
| | - Mark Verheul
- Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands.,Oncode Institute, Utrecht, the Netherlands
| | | | - Rurika Oka
- Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands.,Oncode Institute, Utrecht, the Netherlands
| | - Markus J. van Roosmalen
- Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands.,Oncode Institute, Utrecht, the Netherlands
| | | | - C. Michel Zwaan
- Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands.,Department of Pediatric Oncology, Erasmus Medical Center – Sophia Children's Hospital, Rotterdam, the Netherlands
| | - Bianca F. Goemans
- Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands
| | - Ruben van Boxtel
- Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands.,Oncode Institute, Utrecht, the Netherlands.,Corresponding Author: Ruben van Boxtel, Princess Máxima Center for Pediatric Oncology, Heidelberglaan 25, 3584 CS, Utrecht, the Netherlands. Phone: 0031 (0)889727272; E-mail:
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10
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Gunnarsson R, Yang M, Biloglav A, Lazarevic V, Paulsson K, Johansson B. Single base substitution and insertion/deletion mutational signatures in adult core binding factor acute myeloid leukemia. Leukemia 2022; 36:1681-1684. [PMID: 35365774 PMCID: PMC9162923 DOI: 10.1038/s41375-022-01552-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 03/11/2022] [Accepted: 03/17/2022] [Indexed: 12/02/2022]
Affiliation(s)
- Rebeqa Gunnarsson
- Division of Clinical Genetics, Department of Laboratory Medicine, Lund University, Lund, Sweden.
| | - Minjun Yang
- grid.4514.40000 0001 0930 2361Division of Clinical Genetics, Department of Laboratory Medicine, Lund University, Lund, Sweden
| | - Andrea Biloglav
- grid.4514.40000 0001 0930 2361Division of Clinical Genetics, Department of Laboratory Medicine, Lund University, Lund, Sweden
| | - Vladimir Lazarevic
- grid.411843.b0000 0004 0623 9987Department of Hematology, Oncology and Radiation Physics, Skåne University Hospital, Lund, Sweden ,grid.4514.40000 0001 0930 2361Stem Cell Centre, Lund University, Lund, Sweden
| | - Kajsa Paulsson
- grid.4514.40000 0001 0930 2361Division of Clinical Genetics, Department of Laboratory Medicine, Lund University, Lund, Sweden
| | - Bertil Johansson
- grid.4514.40000 0001 0930 2361Division of Clinical Genetics, Department of Laboratory Medicine, Lund University, Lund, Sweden ,grid.426217.40000 0004 0624 3273Department of Clinical Genetics and Pathology, Office for Medical Services, Region Skåne, Lund, Sweden
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11
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Rosendahl Huber A, Van Hoeck A, Van Boxtel R. The Mutagenic Impact of Environmental Exposures in Human Cells and Cancer: Imprints Through Time. Front Genet 2021; 12:760039. [PMID: 34745228 PMCID: PMC8565797 DOI: 10.3389/fgene.2021.760039] [Citation(s) in RCA: 7] [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: 08/17/2021] [Accepted: 10/05/2021] [Indexed: 12/25/2022] Open
Abstract
During life, the DNA of our cells is continuously exposed to external damaging processes. Despite the activity of various repair mechanisms, DNA damage eventually results in the accumulation of mutations in the genomes of our cells. Oncogenic mutations are at the root of carcinogenesis, and carcinogenic agents are often highly mutagenic. Over the past decade, whole genome sequencing data of healthy and tumor tissues have revealed how cells in our body gradually accumulate mutations because of exposure to various mutagenic processes. Dissection of mutation profiles based on the type and context specificities of the altered bases has revealed a variety of signatures that reflect past exposure to environmental mutagens, ranging from chemotherapeutic drugs to genotoxic gut bacteria. In this review, we discuss the latest knowledge on somatic mutation accumulation in human cells, and how environmental mutagenic factors further shape the mutation landscapes of tissues. In addition, not all carcinogenic agents induce mutations, which may point to alternative tumor-promoting mechanisms, such as altered clonal selection dynamics. In short, we provide an overview of how environmental factors induce mutations in the DNA of our healthy cells and how this contributes to carcinogenesis. A better understanding of how environmental mutagens shape the genomes of our cells can help to identify potential preventable causes of cancer.
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Affiliation(s)
- Axel Rosendahl Huber
- Princess Máxima Center for Pediatric Oncology, Utrecht, Netherlands
- Oncode Institute, Utrecht, Netherlands
| | - Arne Van Hoeck
- Oncode Institute, Utrecht, Netherlands
- Center for Molecular Medicine, University Medical Centre Utrecht, Utrecht, Netherlands
| | - Ruben Van Boxtel
- Princess Máxima Center for Pediatric Oncology, Utrecht, Netherlands
- Oncode Institute, Utrecht, Netherlands
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