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Ratajczak MZ, Ratajczak J. Leukemogenesis occurs in a microenvironment enriched by extracellular microvesicles/exosomes: recent discoveries and questions to be answered. Leukemia 2024; 38:692-698. [PMID: 38388648 PMCID: PMC10997496 DOI: 10.1038/s41375-024-02188-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 02/14/2024] [Accepted: 02/15/2024] [Indexed: 02/24/2024]
Abstract
In single-cell organisms, extracellular microvesicles (ExMVs) were one of the first cell-cell communication platforms that emerged very early during evolution. Multicellular organisms subsequently adapted this mechanism. Evidence indicates that all types of cells secrete these small circular structures surrounded by a lipid membrane that may be encrusted by ligands and receptors interacting with target cells and harboring inside a cargo comprising RNA species, proteins, bioactive lipids, signaling nucleotides, and even entire organelles "hijacked" from the cells of origin. ExMVs are secreted by normal cells and at higher levels by malignant cells, and there are some differences in their cargo. On the one hand, ExMVs secreted from malignant cells interact with cells in the microenvironment, and in return, they are exposed by a "two-way mechanism" to ExMVs secreted by non-leukemic cells. Therefore, leukemogenesis occurs and progresses in ExMVs enriched microenvironments, and this biological fact has pathologic, diagnostic, and therapeutic implications. We are still trying to decipher this intriguing cell-cell communication language better. We will present a current point of view on this topic and review some selected most recent discoveries and papers.
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Affiliation(s)
- Mariusz Z Ratajczak
- Stem Cell Institute at Brown Cancer Center, University of Louisville, Louisville, KY, USA.
- Department of Regenerative Medicine, Center for Preclinical Research and Technology, Medical University of Warsaw, Warsaw, Poland.
| | - Janina Ratajczak
- Stem Cell Institute at Brown Cancer Center, University of Louisville, Louisville, KY, USA
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2
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Sadovskaya AV, Petinati NA, Sats NV, Drize NI, Vasil'eva AN, Aleshina OA, Parovichnikova EN. Biogenesis of Mitochondria in Multipotent Mesenchymal Stromal Cells in Patients with Acute Leukemia. Bull Exp Biol Med 2023; 176:283-289. [PMID: 38194072 DOI: 10.1007/s10517-024-06009-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Indexed: 01/10/2024]
Abstract
In patients with acute leukemia, not only normal hematopoiesis, but also bone marrow stromal microenvironment is damaged. Multipotent mesenchymal stromal cells (MSC) are essential for the formation and function of the stromal microenvironment. Analysis of changes in MSC is important for the development of new approaches to leukemia therapy. The metabolism of mitochondria in MSC, relative content of mitochondrial DNA, and expression levels of genes encoding PGC-1α and Nrf2 proteins, important regulators of biogenesis, were studied using real-time PCR. Relative content of mitochondrial DNA does not change in MSC of acute leukemia patients at the onset of disease or in remission. Relative expression level of the gene encoding PGC-1α protein in MSC does not change significantly. However, relative expression level of the gene encoding Nrf2, an important antioxidant activity regulator, insignificantly decreases in patients at the onset of acute leukemia, and this decrease becomes significant upon reaching remission.
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Affiliation(s)
- A V Sadovskaya
- National Medical Research Center of Hematology, Ministry of Health of the Russian Federation, Moscow, Russia.
| | - N A Petinati
- National Medical Research Center of Hematology, Ministry of Health of the Russian Federation, Moscow, Russia
| | - N V Sats
- National Medical Research Center of Hematology, Ministry of Health of the Russian Federation, Moscow, Russia
| | - N I Drize
- National Medical Research Center of Hematology, Ministry of Health of the Russian Federation, Moscow, Russia
| | - A N Vasil'eva
- National Medical Research Center of Hematology, Ministry of Health of the Russian Federation, Moscow, Russia
| | - O A Aleshina
- National Medical Research Center of Hematology, Ministry of Health of the Russian Federation, Moscow, Russia
| | - E N Parovichnikova
- National Medical Research Center of Hematology, Ministry of Health of the Russian Federation, Moscow, Russia
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3
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Sabbah R, Saadi S, Shahar-Gabay T, Gerassy S, Yehudai-Resheff S, Zuckerman T. Abnormal adipogenic signaling in the bone marrow mesenchymal stem cells contributes to supportive microenvironment for leukemia development. Cell Commun Signal 2023; 21:277. [PMID: 37817179 PMCID: PMC10563260 DOI: 10.1186/s12964-023-01231-z] [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: 04/24/2023] [Accepted: 07/16/2023] [Indexed: 10/12/2023] Open
Abstract
BACKGROUND Acute myeloid leukemia (AML) is an aggressive hematological malignancy, associated with unfavorable patient outcome, primarily due to disease relapse. Mesenchymal stem cells (MSCs) residing in the bone marrow (BM) niche are the source of mesenchyma-derived subpopulations, including adipocytes, and osteocytes, that are critical for normal hematopoiesis. This study aimed to characterize BM-derived adipocyte/osteocyte fractions and their crosstalk with AML cells as a potential mechanism underlying leukemogenesis. METHODS BM cell subpopulations derived from primary AML patients were evaluated using humanized ex-vivo and in-vivo models, established for this study. The models comprised AML blasts, normal hematopoietic stem and progenitor cells and mesenchymal stromal subpopulations. ELISA, FACS analysis, colony forming unit assay, whole exome sequencing and real-time qPCR were employed to assess the differentiation capacity, genetic status, gene expression and function of these cell fractions. To explore communication pathways between AML cells and BM subpopulations, levels of signaling mediators, including cytokines and chemokines, were measured using the ProcartaPlex multiplex immunoassay. RESULTS The study revealed deficiencies in adipogenic/osteogenic differentiation of BM-MSCs derived from AML patients, with adipocytes directly promoting survival and clonogenicity of AML cells in-vitro. In whole exome sequencing of BM-MSC/stromal cells, the AHNAK2 gene, associated with the stimulation of adipocyte differentiation, was found to be mutated and significantly under-expressed, implying its abnormal function in AML. The evaluation of communication pathways between AML cells and BM subpopulations demonstrated pronounced alterations in the crosstalk between these cell fractions. This was reflected by significantly elevated levels of signaling mediators cytokines/chemokines, in AML-induced adipocytes/osteocytes compared to non-induced MSCs, indicating abnormal hematopoiesis. Furthermore, in-vivo experiments using a fully humanized 3D scaffold model, showed that AML-induced adipocytes were the dominant component of the tumor microenvironment, providing preferential support to leukemia cell survival and proliferation. CONCLUSIONS This study has disclosed direct contribution of impaired functional, genetic and molecular properties of AML patient-derived adipocytes to effective protection of AML blasts from apoptosis and to stimulation of their growth in vitro and in vivo, which overall leads to disease propagation and relapse. The detected AHNAK2 gene mutations in AML-MSCs point to their involvement in the mechanism underlying abnormal adipogenesis. Video Abstract.
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Affiliation(s)
- Rawan Sabbah
- Clinical Research Institute at Rambam, Rambam Health Care Campus, 3109601, Haifa, Israel
- The Ruth and Bruce Rappaport Faculty of Medicine, 3109601, Technion, Haifa, Israel
| | - Sahar Saadi
- Clinical Research Institute at Rambam, Rambam Health Care Campus, 3109601, Haifa, Israel
- The Ruth and Bruce Rappaport Faculty of Medicine, 3109601, Technion, Haifa, Israel
| | - Tal Shahar-Gabay
- Clinical Research Institute at Rambam, Rambam Health Care Campus, 3109601, Haifa, Israel
- The Ruth and Bruce Rappaport Faculty of Medicine, 3109601, Technion, Haifa, Israel
| | - Shiran Gerassy
- Clinical Research Institute at Rambam, Rambam Health Care Campus, 3109601, Haifa, Israel
| | - Shlomit Yehudai-Resheff
- Clinical Research Institute at Rambam, Rambam Health Care Campus, 3109601, Haifa, Israel
- Department of Hematology and Bone Marrow Transplantation, Rambam Health Care Campus, 8, Ha'Aliya Street, 3109601, Haifa, Israel
| | - Tsila Zuckerman
- Clinical Research Institute at Rambam, Rambam Health Care Campus, 3109601, Haifa, Israel.
- The Ruth and Bruce Rappaport Faculty of Medicine, 3109601, Technion, Haifa, Israel.
- Department of Hematology and Bone Marrow Transplantation, Rambam Health Care Campus, 8, Ha'Aliya Street, 3109601, Haifa, Israel.
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4
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Liesveld J, Galipeau J. In Vitro Insights Into the Influence of Marrow Mesodermal/Mesenchymal Progenitor Cells on Acute Myelogenous Leukemia and Myelodysplastic Syndromes. Stem Cells 2023; 41:823-836. [PMID: 37348128 DOI: 10.1093/stmcls/sxad050] [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: 03/20/2023] [Accepted: 06/09/2023] [Indexed: 06/24/2023]
Abstract
The study of marrow-resident mesodermal progenitors can provide important insight into their role in influencing normal and aberrant hematopoiesis as occurs in acute myelogenous leukemia (AML) and myelodysplastic syndromes (MDS). In addition, the chemokine competency of these cells provides links to the inflammatory milieu of the marrow microenvironment with additional implications for normal and malignant hematopoiesis. While in vivo studies have elucidated the structure and function of the marrow niche in murine genetic models, corollary human studies have not been feasible, and thus the use of culture-adapted mesodermal cells has provided insights into the role these rare endogenous niche cells play in physiologic, malignant, and inflammatory states. This review focuses on culture-adapted human mesenchymal stem/stromal cells (MSCs) as they have been utilized in understanding their influence in AML and MDS as well as on their chemokine-mediated responses to myeloid malignancies, injury, and inflammation. Such studies have intrinsic limitations but have provided mechanistic insights and clues regarding novel druggable targets.
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Affiliation(s)
- Jane Liesveld
- Department of Medicine, James P. Wilmot Cancer Institute, University of Rochester, Rochester, NY, USA
| | - Jaques Galipeau
- University of Wisconsin School of Medicine and Public Health, University of Wisconsin in Madison, Madison, WI, USA
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5
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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] [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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Gao A, Xu S, Li Q, Zhu C, Wang F, Wang Y, Hao S, Dong F, Cheng H, Cheng T, Gong Y. Interlukin-4 weakens resistance to stress injury and megakaryocytic differentiation of hematopoietic stem cells by inhibiting Psmd13 expression. Sci Rep 2023; 13:14253. [PMID: 37653079 PMCID: PMC10471741 DOI: 10.1038/s41598-023-41479-6] [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: 11/13/2022] [Accepted: 08/27/2023] [Indexed: 09/02/2023] Open
Abstract
Thrombocytopenia is a major and fatal complication in patients with acute myeloid leukemia (AML), which results from disrupted megakaryopoiesis by leukemic niche and blasts. Our previous research revealed that elevated interleukin-4 (IL-4) in AML bone marrow had adverse impact on multiple stages throughout megakaryopoiesis including hematopoietic stem cells (HSCs), but the specific mechanism remains unknown. In the present study, we performed single-cell transcriptome analysis and discovered activated oxidative stress pathway and apoptosis pathway in IL-4Rαhigh versus IL-4Rαlow HSCs. IL-4 stimulation in vitro led to apoptosis of HSCs and down-regulation of megakaryocyte-associated transcription factors. Functional assays displayed higher susceptibility of IL-4Rαhigh HSCs to tunicamycin and irradiation-induced apoptosis, demonstrating their vulnerability to endoplasmic reticulum (ER) stress injury. To clarify the downstream signaling of IL-4, we analyzed the transcriptomes of HSCs from AML bone marrow and found a remarkable down-regulation of the proteasome component Psmd13, whose expression was required for megakaryocytic-erythroid development but could be inhibited by IL-4 in vitro. We knocked down Psmd13 by shRNA in HSCs, and found their repopulating capacity and megakaryocytic differentiation were severely compromised, with increased apoptosis in vivo. In summary, our study uncovered a previous unrecognized regulatory role of IL-4-Psmd13 signaling in anti-stress and megakaryocytic differentiation capability of HSCs.
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Affiliation(s)
- Ai Gao
- Department of Medical Oncology, Tianjin Medical University General Hospital, Tianjin, China
| | - Shuhui Xu
- Medical School, Kunming University of Science and Technology, The First People's Hospital of Yunnan Province, Kunming, China
| | - Qing Li
- State Key Laboratory of Experimental Hematology, Tianjin, China
- Institute of Hematology and Blood Disease Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, China
- Center for Stem Cell Medicine, Chinese Academy of Medical Sciences, Tianjin, China
- Department of Stem Cell and Regenerative Medicine, Peking Union Medical College, Tianjin, China
| | - Caiying Zhu
- State Key Laboratory of Experimental Hematology, Tianjin, China
- Institute of Hematology and Blood Disease Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, China
- Center for Stem Cell Medicine, Chinese Academy of Medical Sciences, Tianjin, China
- Department of Stem Cell and Regenerative Medicine, Peking Union Medical College, Tianjin, China
| | - Fengjiao Wang
- State Key Laboratory of Experimental Hematology, Tianjin, China
- Institute of Hematology and Blood Disease Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, China
- Center for Stem Cell Medicine, Chinese Academy of Medical Sciences, Tianjin, China
- Department of Stem Cell and Regenerative Medicine, Peking Union Medical College, Tianjin, China
| | - Yajie Wang
- Medical School, Kunming University of Science and Technology, The First People's Hospital of Yunnan Province, Kunming, China
| | - Sha Hao
- State Key Laboratory of Experimental Hematology, Tianjin, China
- Institute of Hematology and Blood Disease Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, China
- Center for Stem Cell Medicine, Chinese Academy of Medical Sciences, Tianjin, China
- Department of Stem Cell and Regenerative Medicine, Peking Union Medical College, Tianjin, China
| | - Fang Dong
- State Key Laboratory of Experimental Hematology, Tianjin, China
- Institute of Hematology and Blood Disease Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, China
- Center for Stem Cell Medicine, Chinese Academy of Medical Sciences, Tianjin, China
- Department of Stem Cell and Regenerative Medicine, Peking Union Medical College, Tianjin, China
| | - Hui Cheng
- State Key Laboratory of Experimental Hematology, Tianjin, China
- Institute of Hematology and Blood Disease Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, China
- Center for Stem Cell Medicine, Chinese Academy of Medical Sciences, Tianjin, China
- Department of Stem Cell and Regenerative Medicine, Peking Union Medical College, Tianjin, China
| | - Tao Cheng
- State Key Laboratory of Experimental Hematology, Tianjin, China
- Institute of Hematology and Blood Disease Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, China
- Center for Stem Cell Medicine, Chinese Academy of Medical Sciences, Tianjin, China
- Department of Stem Cell and Regenerative Medicine, Peking Union Medical College, Tianjin, China
| | - Yuemin Gong
- Department of Hematology, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Province Hospital, Nanjing, China.
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7
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Salybekov AA, Hassanpour M, Kobayashi S, Asahara T. Therapeutic application of regeneration-associated cells: a novel source of regenerative medicine. Stem Cell Res Ther 2023; 14:191. [PMID: 37533070 PMCID: PMC10394824 DOI: 10.1186/s13287-023-03428-y] [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: 12/25/2022] [Accepted: 07/25/2023] [Indexed: 08/04/2023] Open
Abstract
Chronic diseases with comorbidities or associated risk factors may impair the function of regenerative cells and the regenerative microenvironment. Following this consideration, the vasculogenic conditioning culture (VCC) method was developed to boost the regenerative microenvironment to achieve regeneration-associated cells (RACs), which contain vasculogenic endothelial progenitor cells (EPCs) and anti-inflammatory/anti-immunity cells. Preclinical and clinical studies demonstrate that RAC transplantation is a safe and convenient cell population for promoting ischemic tissue recovery based on its strong vasculogenicity and functionality. The outputs of the scientific reports reviewed in the present study shed light on the fact that RAC transplantation is efficient in curing various diseases. Here, we compactly highlight the universal features of RACs and the latest progress in their translation toward clinics.
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Affiliation(s)
- Amankeldi A Salybekov
- Kidney Disease and Transplant Center, Shonan Kamakura General Hospital, Kamakura, Japan.
- Shonan Research Institute of Innovative Medicine, Shonan Kamakura General Hospital, Kamakura, Japan.
| | - Mehdi Hassanpour
- Kidney Disease and Transplant Center, Shonan Kamakura General Hospital, Kamakura, Japan
- Shonan Research Institute of Innovative Medicine, Shonan Kamakura General Hospital, Kamakura, Japan
| | - Shuzo Kobayashi
- Kidney Disease and Transplant Center, Shonan Kamakura General Hospital, Kamakura, Japan
- Shonan Research Institute of Innovative Medicine, Shonan Kamakura General Hospital, Kamakura, Japan
| | - Takayuki Asahara
- Shonan Research Institute of Innovative Medicine, Shonan Kamakura General Hospital, Kamakura, Japan
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8
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Sadovskaya AV, Petinati NA, Kapranov NM, Drize NI, Vasil'eva AN, Aleshina OA, Parovichnikova EN. Dynamics of Changes in the Properties of Multipotent Mesenchymal Stromal Cells in Patients with Acute Leukemia. Bull Exp Biol Med 2023; 174:556-563. [PMID: 36894815 DOI: 10.1007/s10517-023-05747-9] [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: 09/12/2022] [Indexed: 03/11/2023]
Abstract
In acute leukemia, the stromal microenvironment of the bone marrow that regulates hematopoiesis is modified under the influence of malignant cells. Chemotherapy also adversely affects stromal cells. Multipotent mesenchymal stromal cells (MSC) are involved in the formation of the stromal microenvironment and in the regulation of normal and tumor hematopoietic cells. The properties of MSC from the bone marrow of patients with acute myeloid and lymphoid leukemia were studied at the onset of the disease and after achieving remission. The immunophenotype and the level of gene expression were analyzed in MSC of 34 patients. In MSC from patients with acute leukemia, the expression of CD105 and CD274 was significantly reduced in comparison with MSC from healthy donors. At the onset of the disease, the expression of IL6, JAG1, PPARG, IGF1, and PDGFRA was enhanced, while the expression of IL1B, IL8, SOX9, ANG1, and TGFB was reduced. All these changes affect the course of the disease in patients and can be the targets of therapeutic intervention.
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Affiliation(s)
- A V Sadovskaya
- National Medical Research Center of Hematology, Ministry of Health of the Russian Federation, Moscow, Russia
| | - N A Petinati
- National Medical Research Center of Hematology, Ministry of Health of the Russian Federation, Moscow, Russia.
| | - N M Kapranov
- National Medical Research Center of Hematology, Ministry of Health of the Russian Federation, Moscow, Russia
| | - N I Drize
- National Medical Research Center of Hematology, Ministry of Health of the Russian Federation, Moscow, Russia
| | - A N Vasil'eva
- National Medical Research Center of Hematology, Ministry of Health of the Russian Federation, Moscow, Russia
| | - O A Aleshina
- National Medical Research Center of Hematology, Ministry of Health of the Russian Federation, Moscow, Russia
| | - E N Parovichnikova
- National Medical Research Center of Hematology, Ministry of Health of the Russian Federation, Moscow, Russia
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9
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Rix B, Maduro AH, Bridge KS, Grey W. Markers for human haematopoietic stem cells: The disconnect between an identification marker and its function. Front Physiol 2022; 13:1009160. [PMID: 36246104 PMCID: PMC9564379 DOI: 10.3389/fphys.2022.1009160] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Accepted: 08/22/2022] [Indexed: 11/13/2022] Open
Abstract
The haematopoietic system is a classical stem cell hierarchy that maintains all the blood cells in the body. Haematopoietic stem cells (HSCs) are rare, highly potent cells that reside at the apex of this hierarchy and are historically some of the most well studied stem cells in humans and laboratory models, with haematopoiesis being the original system to define functional cell types by cell surface markers. Whilst it is possible to isolate HSCs to near purity, we know very little about the functional activity of markers to purify HSCs. This review will focus on the historical efforts to purify HSCs in humans based on cell surface markers, their putative functions and recent advances in finding functional markers on HSCs.
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Affiliation(s)
| | | | | | - William Grey
- *Correspondence: Katherine S. Bridge, ; William Grey,
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Grey W, Rio-Machin A, Casado-Izquierdo P, Grönroos E, Ali S, Miettinen JJ, Bewicke-Copley F, Parsons A, Heckman CA, Swanton C, Cutillas P, Gribben J, Fitzgibbon J, Bonnet D. CKS1 inhibition depletes leukemic stem cells and protects healthy hematopoietic stem cells in acute myeloid leukemia. Sci Transl Med 2022; 14:eabn3248. [PMID: 35731890 PMCID: PMC7612983 DOI: 10.1126/scitranslmed.abn3248] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Acute myeloid leukemia (AML) is an aggressive hematological disorder comprising a hierarchy of quiescent leukemic stem cells (LSCs) and proliferating blasts with limited self-renewal ability. AML has a dismal prognosis, with extremely low 2-year survival rates in the poorest cytogenetic risk patients, primarily due to the failure of intensive chemotherapy protocols to deplete LSCs and toxicity of therapy toward healthy hematopoietic cells. We studied the role of cyclin-dependent kinase regulatory subunit 1 (CKS1)-dependent protein degradation in primary human AML and healthy hematopoiesis xenograft models in vivo. Using a small-molecule inhibitor (CKS1i), we demonstrate a dual role for CKS1-dependent protein degradation in reducing patient-derived AML blasts in vivo and, importantly, depleting LSCs, whereas inhibition of CKS1 has the opposite effect on normal hematopoiesis, protecting normal hematopoietic stem cells from chemotherapeutic toxicity. Proteomic analysis of responses to CKS1i in our patient-derived xenograft mouse model demonstrate that inhibition of CKS1 in AML leads to hyperactivation of RAC1 and accumulation of lethal reactive oxygen species, whereas healthy hematopoietic cells enter quiescence in response to CKS1i, protecting hematopoietic stem cells. Together, these findings demonstrate that CKS1-dependent proteostasis is a key vulnerability in malignant stem cell biology.
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Affiliation(s)
- William Grey
- Haematopoietic Stem Cell Laboratory, The Francis Crick Institute, London, U.K
| | - Ana Rio-Machin
- Centre for Genomics and Computational Biology, Bart’s Cancer Institute, London, U.K
| | - Pedro Casado-Izquierdo
- Cell signalling and proteomics group, Centre for Genomics and Computational Biology, Barts Cancer Institute, London, U.K
| | - Eva Grönroos
- Cancer evolution and genome instability laboratory, The Francis Crick Institute, London, U.K
| | - Sara Ali
- Haematopoietic Stem Cell Laboratory, The Francis Crick Institute, London, U.K
| | - Juho J. Miettinen
- Institute for Molecular Medicine Finland – FINN, HiLIFE – Helsinki Institute of Life Science, iCAN Digital Precision Cancer Medicine Flagship, University of Helsinki, Helsinki, Finland
| | | | - Alun Parsons
- Institute for Molecular Medicine Finland – FINN, HiLIFE – Helsinki Institute of Life Science, iCAN Digital Precision Cancer Medicine Flagship, University of Helsinki, Helsinki, Finland
| | - Caroline A. Heckman
- Institute for Molecular Medicine Finland – FINN, HiLIFE – Helsinki Institute of Life Science, iCAN Digital Precision Cancer Medicine Flagship, University of Helsinki, Helsinki, Finland
| | - Charles Swanton
- Cancer evolution and genome instability laboratory, The Francis Crick Institute, London, U.K
| | - Pedro Cutillas
- Cell signalling and proteomics group, Centre for Genomics and Computational Biology, Barts Cancer Institute, London, U.K
| | - John Gribben
- Centre for Haemato-Oncology, Bart’s Cancer Institute, London, U.K
| | - Jude Fitzgibbon
- Centre for Genomics and Computational Biology, Bart’s Cancer Institute, London, U.K
| | - Dominique Bonnet
- Haematopoietic Stem Cell Laboratory, The Francis Crick Institute, London, U.K
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11
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Long NA, Golla U, Sharma A, Claxton DF. Acute Myeloid Leukemia Stem Cells: Origin, Characteristics, and Clinical Implications. Stem Cell Rev Rep 2022; 18:1211-1226. [PMID: 35050458 PMCID: PMC10942736 DOI: 10.1007/s12015-021-10308-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/21/2021] [Indexed: 02/06/2023]
Abstract
The stem cells of acute myeloid leukemia (AML) are the malignancy initiating cells whose survival ultimately drives growth of these lethal diseases. Here we review leukemia stem cell (LSC) biology, particularly as it relates to the very heterogeneous nature of AML and to its high disease relapse rate. Leukemia ontogeny is presented, and the defining functional and phenotypic features of LSCs are explored. Surface and metabolic phenotypes of these cells are described, particularly those that allow distinction from features of normal hematopoietic stem cells (HSCs). Opportunities for use of this information for improving therapy for this challenging group of diseases is highlighted, and we explore the clinical needs which may be addressed by emerging LSC data. Finally, we discuss current gaps in the scientific understanding of LSCs.
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Affiliation(s)
| | - Upendarrao Golla
- Division of Hematology and Oncology, Department of Medicine, Pennsylvania State University College of Medicine, Hershey, PA, USA
- Penn State Cancer Institute, Pennsylvania State University College of Medicine, Hershey, PA, USA
| | - Arati Sharma
- Division of Hematology and Oncology, Department of Medicine, Pennsylvania State University College of Medicine, Hershey, PA, USA
- Penn State Cancer Institute, Pennsylvania State University College of Medicine, Hershey, PA, USA
- Department of Pharmacology, Pennsylvania State University College of Medicine, Hershey, PA, USA
| | - David F Claxton
- Division of Hematology and Oncology, Department of Medicine, Pennsylvania State University College of Medicine, Hershey, PA, USA.
- Penn State Cancer Institute, Pennsylvania State University College of Medicine, Hershey, PA, USA.
- Division of Hematology and Oncology, Penn State Cancer Institute, Cancer Institute, Next-Generation Therapies, 500 University, Hershey, PA, 17033, USA.
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Mian SA, Bonnet D. Nature or Nurture? Role of the Bone Marrow Microenvironment in the Genesis and Maintenance of Myelodysplastic Syndromes. Cancers (Basel) 2021; 13:4116. [PMID: 34439269 PMCID: PMC8394536 DOI: 10.3390/cancers13164116] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 08/10/2021] [Accepted: 08/11/2021] [Indexed: 12/18/2022] Open
Abstract
Myelodysplastic syndrome (MDS) are clonal haematopoietic stem cell (HSC) disorders driven by a complex combination(s) of changes within the genome that result in heterogeneity in both clinical phenotype and disease outcomes. MDS is among the most common of the haematological cancers and its incidence markedly increases with age. Currently available treatments have limited success, with <5% of patients undergoing allogeneic HSC transplantation, a procedure that offers the only possible cure. Critical contributions of the bone marrow microenvironment to the MDS have recently been investigated. Although the better understanding of the underlying biology, particularly genetics of haematopoietic stem cells, has led to better disease and risk classification; however, the role that the bone marrow microenvironment plays in the development of MDS remains largely unclear. This review provides a comprehensive overview of the latest developments in understanding the aetiology of MDS, particularly focussing on understanding how HSCs and the surrounding immune/non-immune bone marrow niche interacts together.
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Affiliation(s)
| | - Dominique Bonnet
- Haematopoietic Stem Cell Laboratory, The Francis Crick Institute, London NW1 1AT, UK;
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