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Pritzl SL, Kusne Y, Halfdanarson TR, Hobday T, Sonbol MB, Kendi AT, Mangaonkar AA, Gangat N, Shah M, Patnaik MM. Spectrum of therapy-related clonal cytopenias and neoplasms after exposure to Lutetium-177-Dotatate. Leuk Res 2024; 136:107434. [PMID: 38154192 DOI: 10.1016/j.leukres.2023.107434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Revised: 12/21/2023] [Accepted: 12/22/2023] [Indexed: 12/30/2023]
Affiliation(s)
- Stephanie L Pritzl
- Mayo Clinic, Department of Internal Medicine, Division of Hematology, Rochester, MN, United States
| | - Yael Kusne
- Mayo Clinic, Division of Hematology and Medical Oncology, Phoenix, AZ, United States
| | | | - Timothy Hobday
- Mayo Clinic, Department of Oncology, Division of Medical Oncology, Rochester, MN, United States
| | - Mohamad Bassam Sonbol
- Mayo Clinic, Division of Hematology and Medical Oncology, Phoenix, AZ, United States
| | - Ayse Tuba Kendi
- Mayo Clinic, Department of Radiology, Division of Nuclear Medicine, Rochester, MN, United States
| | - Abhishek A Mangaonkar
- Mayo Clinic, Department of Internal Medicine, Division of Hematology, Rochester, MN, United States
| | - Naseema Gangat
- Mayo Clinic, Department of Internal Medicine, Division of Hematology, Rochester, MN, United States
| | - Mithun Shah
- Mayo Clinic, Department of Internal Medicine, Division of Hematology, Rochester, MN, United States
| | - Mrinal M Patnaik
- Mayo Clinic, Department of Internal Medicine, Division of Hematology, Rochester, MN, United States.
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Fabiani E, Cristiano A, Hajrullaj H, Falconi G, Leone G, Voso M. Therapy-Related Myeloid Neoplasms: Predisposition and Clonal Evolution. Mediterr J Hematol Infect Dis 2023; 15:e2023064. [PMID: 38028397 PMCID: PMC10631709 DOI: 10.4084/mjhid.2023.064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 10/16/2023] [Indexed: 12/01/2023] Open
Abstract
Therapy-related Myeloid Neoplasm (t-MN) represents one of the worst long-term consequences of cytotoxic therapy for primary tumors and autoimmune disease. Poor survival and refractoriness to current treatment strategies characterize affected patients from a clinical point of view. In our aging societies, where newer therapies and ameliorated cancer management protocols are improving the life expectancy of cancer patients, therapy-related Myeloid Neoplasms are an emerging problem. Although several research groups have contributed to characterizing the main risk factors in t-MN development, the multiplicity of primary tumors, in association with the different therapeutic strategies available and the new drugs in development, make interpreting the current data still complex. The main risk factors involved in t-MN pathogenesis can be subgrouped into patient-specific, inherited, and acquired predispositions. Although t-MN can occur at any age, the risk tends to increase with advancing age, and older patients, characterized by a higher number of comorbidities, are more likely to develop the disease. Thanks to the availability of deep sequencing techniques, germline variants have been reported in 15-20% of t-MN patients, highlighting their role in cancer predisposition. It is becoming increasingly evident that t-MN with driver gene mutations may arise in the background of Clonal Hematopoiesis of Indeterminate Potential (CHIP) under the positive selective pressure of chemo and/or radiation therapies. Although CHIP is generally considered benign, it has been associated with an increased risk of t-MN. In this context, the phenomenon of clonal evolution may be described as a dynamic process of expansion of preexisting clones, with or without acquisition of additional genetic alterations, that, by favoring the proliferation of more aggressive and/or resistant clones, may play a crucial role in the progression from preleukemic states to t-MN.
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Affiliation(s)
- Emiliano Fabiani
- Department of Biomedicine and Prevention, University of Tor Vergata, Rome, Italy
- UniCamillus-Saint Camillus International University of Health Sciences, Rome, Italy
| | - A. Cristiano
- Department of Biomedicine and Prevention, University of Tor Vergata, Rome, Italy
| | - H. Hajrullaj
- Department of Biomedicine and Prevention, University of Tor Vergata, Rome, Italy
| | - G. Falconi
- Department of Biomedicine and Prevention, University of Tor Vergata, Rome, Italy
| | - G. Leone
- Università Cattolica del Sacro Cuore, Roma, Italy
| | - M.T. Voso
- Department of Biomedicine and Prevention, University of Tor Vergata, Rome, Italy
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Falconi G, Galossi E, Hajrullaj H, Fabiani E, Voso MT. Bone Marrow Microenvironment Involvement in t-MN: Focus on Mesenchymal Stem Cells. Mediterr J Hematol Infect Dis 2023; 15:e2023055. [PMID: 37705521 PMCID: PMC10497308 DOI: 10.4084/mjhid.2023.055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Accepted: 08/14/2023] [Indexed: 09/15/2023] Open
Abstract
Therapy-related myeloid neoplasms (t-MN) are a late complication of cytotoxic therapy (CT) used in the treatment of both malignant and non-malignant diseases. Historically, t-MN has been considered to be a direct consequence of DNA damage induced in normal hematopoietic stem or progenitor cells (HSPC) by CT. However, we now know that treatment-induced mutations in HSC are not the only players involved in t-MN development, but additional factors may contribute to the onset of t-MN. One of the known drivers involved in this field is the bone marrow microenvironment (BMM) and, in particular, bone marrow mesenchymal stem cells (BM-MSC), whose role in t-MN pathogenesis is the topic of this mini-review. BM-MSCs, physiologically, support HSC maintenance, self-renewal, and differentiation through hematopoietic-stromal interactions and the production of cytokines. In addition, BM-MSCs maintain the stability of the BM immune microenvironment and reduce the damage caused to HSC by stress stimuli. In the t-MN context, chemo/radiotherapy may induce damage to the BM-MSC and likewise alter BM-MSC functions by promoting pro-inflammatory response, clonal selection and/or the production of factors that may favor malignant hematopoiesis. Over the last decade, it has been shown that BM-MSC isolated from patients with de novo and therapy-related MN exhibit decreased proliferative and clonogenic capacity, altered morphology, increased senescence, defective osteogenic differentiation potential, impaired immune-regulatory properties, and reduced ability to support HSC growth and differentiation, as compared to normal BM-MSC. Although the understanding of the genetic and gene expression profile associated with ex vivo-expanded t-MN-MSCs remains limited and debatable, its potential role in prognostic and therapeutic terms is acting as a flywheel of attraction for many researchers.
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Affiliation(s)
- Giulia Falconi
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
| | - E Galossi
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
| | - H Hajrullaj
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
| | - E Fabiani
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
- UniCamillus-Saint Camillus International University of Health Sciences, Rome, Italy
| | - M T Voso
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
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Abstract
Therapy-related myeloid neoplasms are a life-threatening and often fatal complication, associated with poor prognosis outcomes and with high-risk unfavorable cytogenetic abnormalities including complex karyotype. They occur after the treatment of primary malignancies using chemotherapy and/or radiation therapy. Such therapy is not specific to cancer cells, and also damages the deoxyribonucleic acid (DNA) of normal cells, resulting in unbalanced and balanced translocations. There are eight genetic pathways, whose details are summarized in this review, depending on the cytogenetic abnormalities induced. This abnormality is the major contributor to the development of therapy-related myeloid neoplasms. The etiology of these neoplasms depends on the complex interaction between the nature and dose of the cytotoxic agent, the environment, and the presence of subsequent inherited mutations. This review aims to elaborate upon recent knowledge regarding the etiology, pathogenesis, and genetic pathways of therapy-related myeloid neoplasms. A deeper understanding of their etiology would aid physicians in more careful monitoring of patients during or after cytotoxic therapy for hematological malignancy. Ultimately, this knowledge could influence initial treatment strategies, with the aim of reducing both the incidence and serious complications of neoplasms. Therefore, early detection of DNA lesions is vital. The authors recommend that primary malignancy be treated with targeted therapy.
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Affiliation(s)
- Tegenaw Tiruneh
- Department Hematology and Immunohematology, College of Medicine and Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia. .,School of Biomedical and Laboratory Sciences, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia.
| | - Bamlaku Enawgaw
- School of Biomedical and Laboratory Sciences, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
| | - Elias Shiferaw
- School of Biomedical and Laboratory Sciences, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
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