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Caiado F, Manz MG. IL-1 in aging and pathologies of hematopoietic stem cells. Blood 2024; 144:368-377. [PMID: 38781562 DOI: 10.1182/blood.2023023105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 05/01/2024] [Accepted: 05/13/2024] [Indexed: 05/25/2024] Open
Abstract
ABSTRACT Defense-oriented inflammatory reactivity supports survival at younger age but might contribute to health impairments in modern, aging societies. The interleukin-1 (IL-1) cytokines are highly conserved and regulated, pleiotropic mediators of inflammation, essential to respond adequately to infection and tissue damage but also with potential host damaging effects when left unresolved. In this review, we discuss how continuous low-level IL-1 signaling contributes to aging-associated hematopoietic stem and progenitor cell (HSPC) functional impairments and how this inflammatory selective pressure acts as a driver of more profound hematological alterations, such as clonal hematopoiesis of indeterminate potential, and to overt HSPC diseases, like myeloproliferative and myelodysplastic neoplasia as well as acute myeloid leukemia. Based on this, we outline how IL-1 pathway inhibition might be used to prevent or treat inflammaging-associated HSPC pathologies.
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Affiliation(s)
- Francisco Caiado
- Department of Medical Oncology and Hematology, University Hospital Zurich and University of Zurich, Comprehensive Cancer Center Zurich, Zurich, Switzerland
| | - Markus G Manz
- Department of Medical Oncology and Hematology, University Hospital Zurich and University of Zurich, Comprehensive Cancer Center Zurich, Zurich, Switzerland
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2
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Wang HC, Chen R, Yang W, Li Y, Muthukumar R, Patel RM, Casey EB, Denby E, Magee JA. Kmt2c restricts G-CSF-driven HSC mobilization and granulocyte production in a methyltransferase-independent manner. Cell Rep 2024; 43:114542. [PMID: 39046877 DOI: 10.1016/j.celrep.2024.114542] [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: 11/30/2023] [Revised: 06/10/2024] [Accepted: 07/09/2024] [Indexed: 07/27/2024] Open
Abstract
Granulocyte colony-stimulating factor (G-CSF) is widely used to enhance myeloid recovery after chemotherapy and to mobilize hematopoietic stem cells (HSCs) for transplantation. Unfortunately, through the course of chemotherapy, cancer patients can acquire leukemogenic mutations that cause therapy-related myelodysplastic syndrome (MDS) or acute myeloid leukemia (AML). This raises the question of whether therapeutic G-CSF might potentiate therapy-related MDS/AML by disproportionately stimulating mutant HSCs and other myeloid progenitors. A common mutation in therapy-related MDS/AML involves chromosome 7 deletions that inactivate many tumor suppressor genes, including KMT2C. Here, we show that Kmt2c deletions hypersensitize murine HSCs and myeloid progenitors to G-CSF, as evidenced by increased HSC mobilization and enhanced granulocyte production from granulocyte-monocyte progenitors (GMPs). Furthermore, Kmt2c attenuates the G-CSF response independently from its SET methyltransferase function. Altogether, the data raise concerns that monosomy 7 can hypersensitize progenitors to G-CSF, such that clinical use of G-CSF may amplify the risk of therapy-related MDS/AML.
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Affiliation(s)
- Helen C Wang
- Department of Pediatrics, Division of Hematology and Oncology, Washington University School of Medicine, 660 S. Euclid Avenue, St. Louis, MO 63110, USA
| | - Ran Chen
- Department of Pediatrics, Division of Hematology and Oncology, Washington University School of Medicine, 660 S. Euclid Avenue, St. Louis, MO 63110, USA
| | - Wei Yang
- Department of Genetics, Washington University School of Medicine, 660 S. Euclid Avenue, St. Louis, MO 63110, USA
| | - Yanan Li
- Department of Pediatrics, Division of Hematology and Oncology, Washington University School of Medicine, 660 S. Euclid Avenue, St. Louis, MO 63110, USA
| | - Rohini Muthukumar
- Department of Pediatrics, Division of Hematology and Oncology, Washington University School of Medicine, 660 S. Euclid Avenue, St. Louis, MO 63110, USA
| | - Riddhi M Patel
- Department of Pediatrics, Division of Hematology and Oncology, Washington University School of Medicine, 660 S. Euclid Avenue, St. Louis, MO 63110, USA
| | - Emily B Casey
- Department of Pediatrics, Division of Hematology and Oncology, Washington University School of Medicine, 660 S. Euclid Avenue, St. Louis, MO 63110, USA
| | - Elisabeth Denby
- Department of Pediatrics, Division of Hematology and Oncology, Washington University School of Medicine, 660 S. Euclid Avenue, St. Louis, MO 63110, USA
| | - Jeffrey A Magee
- Department of Pediatrics, Division of Hematology and Oncology, Washington University School of Medicine, 660 S. Euclid Avenue, St. Louis, MO 63110, USA; Department of Genetics, Washington University School of Medicine, 660 S. Euclid Avenue, St. Louis, MO 63110, USA.
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3
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Dellorusso PV, Proven MA, Calero-Nieto FJ, Wang X, Mitchell CA, Hartmann F, Amouzgar M, Favaro P, DeVilbiss A, Swann JW, Ho TT, Zhao Z, Bendall SC, Morrison S, Göttgens B, Passegué E. Autophagy counters inflammation-driven glycolytic impairment in aging hematopoietic stem cells. Cell Stem Cell 2024; 31:1020-1037.e9. [PMID: 38754428 DOI: 10.1016/j.stem.2024.04.020] [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: 09/10/2023] [Revised: 03/14/2024] [Accepted: 04/24/2024] [Indexed: 05/18/2024]
Abstract
Autophagy is central to the benefits of longevity signaling programs and to hematopoietic stem cell (HSC) response to nutrient stress. With age, a subset of HSCs increases autophagy flux and preserves regenerative capacity, but the signals triggering autophagy and maintaining the functionality of autophagy-activated old HSCs (oHSCs) remain unknown. Here, we demonstrate that autophagy is an adaptive cytoprotective response to chronic inflammation in the aging murine bone marrow (BM) niche. We find that inflammation impairs glucose uptake and suppresses glycolysis in oHSCs through Socs3-mediated inhibition of AKT/FoxO-dependent signaling, with inflammation-mediated autophagy engagement preserving functional quiescence by enabling metabolic adaptation to glycolytic impairment. Moreover, we show that transient autophagy induction via a short-term fasting/refeeding paradigm normalizes glycolytic flux and significantly boosts oHSC regenerative potential. Our results identify inflammation-driven glucose hypometabolism as a key driver of HSC dysfunction with age and establish autophagy as a targetable node to reset oHSC regenerative capacity.
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Affiliation(s)
- Paul V Dellorusso
- Columbia Stem Cell Initiative, Department of Genetics & Development, Columbia University, New York, NY 10032, USA
| | - Melissa A Proven
- Columbia Stem Cell Initiative, Department of Genetics & Development, Columbia University, New York, NY 10032, USA
| | - Fernando J Calero-Nieto
- Welcome and MRC Cambridge Stem Cell Institute, Department of Haematology, Cambridge University, Jeffrey Cheah Biomedical Centre, Puddicombe Way, Cambridge CB2 0AW, UK
| | - Xiaonan Wang
- Welcome and MRC Cambridge Stem Cell Institute, Department of Haematology, Cambridge University, Jeffrey Cheah Biomedical Centre, Puddicombe Way, Cambridge CB2 0AW, UK
| | - Carl A Mitchell
- Columbia Stem Cell Initiative, Department of Genetics & Development, Columbia University, New York, NY 10032, USA
| | - Felix Hartmann
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
| | - Meelad Amouzgar
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
| | - Patricia Favaro
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
| | - Andrew DeVilbiss
- Children's Research Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - James W Swann
- Columbia Stem Cell Initiative, Department of Genetics & Development, Columbia University, New York, NY 10032, USA
| | - Theodore T Ho
- Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, Department of Medicine, Hematology/Oncology Division, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Zhiyu Zhao
- Children's Research Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Sean C Bendall
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
| | - Sean Morrison
- Children's Research Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Berthold Göttgens
- Welcome and MRC Cambridge Stem Cell Institute, Department of Haematology, Cambridge University, Jeffrey Cheah Biomedical Centre, Puddicombe Way, Cambridge CB2 0AW, UK
| | - Emmanuelle Passegué
- Columbia Stem Cell Initiative, Department of Genetics & Development, Columbia University, New York, NY 10032, USA.
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4
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He M, Li X, Xu B, Lu Y, Lai J, Ling Y, Liu H, An Z, Zhang W, Li F. Reprogramming of 3D genome structure underlying HSPC development in zebrafish. Stem Cell Res Ther 2024; 15:172. [PMID: 38886858 PMCID: PMC11184745 DOI: 10.1186/s13287-024-03798-x] [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: 01/24/2024] [Accepted: 06/10/2024] [Indexed: 06/20/2024] Open
Abstract
BACKGROUND Development of hematopoietic stem and progenitor cells (HSPC) is a multi-staged complex process that conserved between zebrafish and mammals. Understanding the mechanism underlying HSPC development is a holy grail of hematopoietic biology, which is helpful for HSPC clinical application. Chromatin conformation plays important roles in transcriptional regulation and cell fate decision; however, its dynamic and role in HSPC development is poorly investigated. METHODS We performed chromatin structure and multi-omics dissection across different stages of HSPC developmental trajectory in zebrafish for the first time, including Hi-C, RNA-seq, ATAC-seq, H3K4me3 and H3K27ac ChIP-seq. RESULTS The chromatin organization of zebrafish HSPC resemble mammalian cells with similar hierarchical structure. We revealed the multi-scale reorganization of chromatin structure and its influence on transcriptional regulation and transition of cell fate during HSPC development. Nascent HSPC is featured by loose conformation with obscure structure at all layers. Notably, PU.1 was identified as a potential factor mediating formation of promoter-involved loops and regulating gene expression of HSPC. CONCLUSIONS Our results provided a global view of chromatin structure dynamics associated with development of zebrafish HSPC and discovered key transcription factors involved in HSPC chromatin interactions, which will provide new insights into the epigenetic regulatory mechanisms underlying vertebrate HSPC fate decision.
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Affiliation(s)
- Min He
- Division of Cell, Developmental and Integrative Biology, School of Medicine, South China University of Technology, Guangzhou, 510006, China
| | - Xiaoli Li
- Division of Cell, Developmental and Integrative Biology, School of Medicine, South China University of Technology, Guangzhou, 510006, China
- Laboratory of Developmental Biology, Department of Cell Biology and Genetics, School of Basic Medical Sciences, Chongqing Medical University, Chongqing, 400016, China
| | - Bingxiang Xu
- Key Laboratory of Hebei Province for Molecular Biophysics, Institute of Biophysics, School of Health Science & Biomedical Engineering, Hebei University of Technology, Tianjin, 300130, China
| | - Yinbo Lu
- Division of Cell, Developmental and Integrative Biology, School of Medicine, South China University of Technology, Guangzhou, 510006, China
| | - Jingyi Lai
- Division of Cell, Developmental and Integrative Biology, School of Medicine, South China University of Technology, Guangzhou, 510006, China
| | - Yiming Ling
- Division of Cell, Developmental and Integrative Biology, School of Medicine, South China University of Technology, Guangzhou, 510006, China
| | - Huakai Liu
- Vehicle Engineering, School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou, 510000, China
| | - Ziyang An
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Wenqing Zhang
- Division of Cell, Developmental and Integrative Biology, School of Medicine, South China University of Technology, Guangzhou, 510006, China.
| | - Feifei Li
- Division of Cell, Developmental and Integrative Biology, School of Medicine, South China University of Technology, Guangzhou, 510006, China.
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Xu Y, Zhou Q, Wang X, Zhang A, Qi W, Li Y, Zheng C, Guan J, Sun T, Li J, Lu C, Shen Y, Zhao B. PELI2 regulates early B-cell progenitor differentiation and related leukemia via the IL-7R expression. Haematologica 2024; 109:1800-1814. [PMID: 38058209 PMCID: PMC11141684 DOI: 10.3324/haematol.2023.284041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2023] [Accepted: 11/24/2023] [Indexed: 12/08/2023] Open
Abstract
Little is known about the transition mechanisms that govern early lymphoid lineage progenitors from common lymphoid progenitors (CLP). Pellino2 (PELI2) is a newly discovered E3 ubiquitin ligase, which plays important roles in inflammation and the immune system. However, the physiological and molecular roles of PELI2 in the differentiation of immune cells are largely unknown. Here, by using a conditional knockout mouse model, we demonstrated that PELI2 is required for early B-cell development and stressed hematopoiesis. PELI2 interacted with and stabilized PU.1 via K63-polyubiquitination to regulate IL-7R expression. The defects of B-cell development induced by PELI2 deletion were restored by overexpression of PU.1. Similarly, PELI2 promoted TCF3 protein stability via K63-polyubiquitination to regulate IL-7R expression, which is required for the proliferation of B-cell precursor acute lymphoblastic leukemia (BCP-ALL) cells. These results underscore the significance of PELI2 in both normal B lymphopoiesis and malignant B-cell acute lymphoblastic leukemia via the regulation of IL-7R expression, providing a potential therapeutic approach for BCP-ALL.
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Affiliation(s)
- Yan Xu
- Key Lab of Chemical Biology (MOE), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China; NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China; Department of Pharmacology, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012
| | - Qian Zhou
- Key Lab of Chemical Biology (MOE), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China; NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China; Department of Pharmacology, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012
| | - Xiaoming Wang
- Department of Pediatrics, Qilu hospital of Shandong University, Jinan, Shandong, 250012
| | - Aijun Zhang
- Department of Pediatrics, Qilu hospital of Shandong University, Jinan, Shandong, 250012
| | - Wentao Qi
- Key Lab of Chemical Biology (MOE), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China; NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China; Department of Pharmacology, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012
| | - Yuan Li
- Key Lab of Chemical Biology (MOE), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China; NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China; Department of Pharmacology, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012
| | - Chengzu Zheng
- Key Lab of Chemical Biology (MOE), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China; NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China; Department of Pharmacology, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012
| | - Jianmin Guan
- Department of Hematology, Heze Municipal Hospital, Heze, Shandong
| | - Tao Sun
- Department of Hematology, Qilu hospital of Shandong University, Jinan, Shandong, 250012
| | - Jingxin Li
- Department of Physiology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012
| | - Chunhua Lu
- Key Lab of Chemical Biology (MOE), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China; NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012
| | - Yuemao Shen
- Key Lab of Chemical Biology (MOE), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China; NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012
| | - Baobing Zhao
- Key Lab of Chemical Biology (MOE), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China; NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China; Department of Pharmacology, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012.
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6
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Ahmad K, Brahma S, Henikoff S. Response to "Learning from chromatin reconstitution: Pioneering factors enabling nucleosome remodelers". Mol Cell 2024; 84:1818. [PMID: 38604173 DOI: 10.1016/j.molcel.2024.03.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Revised: 03/11/2024] [Accepted: 03/19/2024] [Indexed: 04/13/2024]
Affiliation(s)
- Kami Ahmad
- Basic Sciences Division, Fred Hutchinson Cancer Center, Seattle, WA, USA
| | - Sandipan Brahma
- University of Nebraska Medical Center, Department of Genetics, Cell Biology & Anatomy, Omaha, NE, USA
| | - Steven Henikoff
- Basic Sciences Division, Fred Hutchinson Cancer Center, Seattle, WA, USA; Howard Hughes Medical Institute, Chevy Chase, MD, USA.
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7
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Swann JW, Olson OC, Passegué E. Made to order: emergency myelopoiesis and demand-adapted innate immune cell production. Nat Rev Immunol 2024:10.1038/s41577-024-00998-7. [PMID: 38467802 DOI: 10.1038/s41577-024-00998-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/18/2024] [Indexed: 03/13/2024]
Abstract
Definitive haematopoiesis is the process by which haematopoietic stem cells, located in the bone marrow, generate all haematopoietic cell lineages in healthy adults. Although highly regulated to maintain a stable output of blood cells in health, the haematopoietic system is capable of extensive remodelling in response to external challenges, prioritizing the production of certain cell types at the expense of others. In this Review, we consider how acute insults, such as infections and cytotoxic drug-induced myeloablation, cause molecular, cellular and metabolic changes in haematopoietic stem and progenitor cells at multiple levels of the haematopoietic hierarchy to drive accelerated production of the mature myeloid cells needed to resolve the initiating insult. Moreover, we discuss how dysregulation or subversion of these emergency myelopoiesis mechanisms contributes to the progression of chronic inflammatory diseases and cancer.
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Affiliation(s)
- James W Swann
- Columbia Stem Cell Initiative, Department of Genetics and Development, Columbia University, New York, NY, USA
| | - Oakley C Olson
- Columbia Stem Cell Initiative, Department of Genetics and Development, Columbia University, New York, NY, USA
| | - Emmanuelle Passegué
- Columbia Stem Cell Initiative, Department of Genetics and Development, Columbia University, New York, NY, USA.
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8
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Kumar V, Stewart JH. Obesity, bone marrow adiposity, and leukemia: Time to act. Obes Rev 2024; 25:e13674. [PMID: 38092420 DOI: 10.1111/obr.13674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 10/07/2023] [Accepted: 11/13/2023] [Indexed: 02/28/2024]
Abstract
Obesity has taken the face of a pandemic with less direct concern among the general population and scientific community. However, obesity is considered a low-grade systemic inflammation that impacts multiple organs. Chronic inflammation is also associated with different solid and blood cancers. In addition, emerging evidence demonstrates that individuals with obesity are at higher risk of developing blood cancers and have poorer clinical outcomes than individuals in a normal weight range. The bone marrow is critical for hematopoiesis, lymphopoiesis, and myelopoiesis. Therefore, it is vital to understand the mechanisms by which obesity-associated changes in BM adiposity impact leukemia development. BM adipocytes are critical to maintain homeostasis via different means, including immune regulation. However, obesity increases BM adiposity and creates a pro-inflammatory environment to upregulate clonal hematopoiesis and a leukemia-supportive environment. Obesity further alters lymphopoiesis and myelopoiesis via different mechanisms, which dysregulate myeloid and lymphoid immune cell functions mentioned in the text under different sequentially discussed sections. The altered immune cell function during obesity alters hematological malignancies and leukemia susceptibility. Therefore, obesity-induced altered BM adiposity, immune cell generation, and function impact an individual's predisposition and severity of leukemia, which should be considered a critical factor in leukemia patients.
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Affiliation(s)
- Vijay Kumar
- Department of Surgery, Laboratory of Tumor Immunology and Immunotherapy, Morehouse School of Medicine, Atlanta, Georgia, USA
| | - John H Stewart
- Department of Surgery, Laboratory of Tumor Immunology and Immunotherapy, Morehouse School of Medicine, Atlanta, Georgia, USA
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9
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Fregona V, Bayet M, Bouttier M, Largeaud L, Hamelle C, Jamrog LA, Prade N, Lagarde S, Hebrard S, Luquet I, Mansat-De Mas V, Nolla M, Pasquet M, Didier C, Khamlichi AA, Broccardo C, Delabesse É, Mancini SJ, Gerby B. Stem cell-like reprogramming is required for leukemia-initiating activity in B-ALL. J Exp Med 2024; 221:e20230279. [PMID: 37930337 PMCID: PMC10626194 DOI: 10.1084/jem.20230279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 08/31/2023] [Accepted: 10/03/2023] [Indexed: 11/07/2023] Open
Abstract
B cell acute lymphoblastic leukemia (B-ALL) is a multistep disease characterized by the hierarchical acquisition of genetic alterations. However, the question of how a primary oncogene reprograms stem cell-like properties in committed B cells and leads to a preneoplastic population remains unclear. Here, we used the PAX5::ELN oncogenic model to demonstrate a causal link between the differentiation blockade, the self-renewal, and the emergence of preleukemic stem cells (pre-LSCs). We show that PAX5::ELN disrupts the differentiation of preleukemic cells by enforcing the IL7r/JAK-STAT pathway. This disruption is associated with the induction of rare and quiescent pre-LSCs that sustain the leukemia-initiating activity, as assessed using the H2B-GFP model. Integration of transcriptomic and chromatin accessibility data reveals that those quiescent pre-LSCs lose B cell identity and reactivate an immature molecular program, reminiscent of human B-ALL chemo-resistant cells. Finally, our transcriptional regulatory network reveals the transcription factor EGR1 as a strong candidate to control quiescence/resistance of PAX5::ELN pre-LSCs as well as of blasts from human B-ALL.
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Affiliation(s)
- Vincent Fregona
- Université de Toulouse, Inserm, Centre Nationale de la Recherche Scientifique, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Equipe Labellisée Ligue Contre le Cancer 2023, Toulouse, France
- Équipe Labellisée Institut Carnot Opale, Toulouse, France
| | - Manon Bayet
- Université de Toulouse, Inserm, Centre Nationale de la Recherche Scientifique, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Equipe Labellisée Ligue Contre le Cancer 2023, Toulouse, France
- Équipe Labellisée Institut Carnot Opale, Toulouse, France
| | - Mathieu Bouttier
- Université de Toulouse, Inserm, Centre Nationale de la Recherche Scientifique, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Equipe Labellisée Ligue Contre le Cancer 2023, Toulouse, France
- Équipe Labellisée Institut Carnot Opale, Toulouse, France
| | - Laetitia Largeaud
- Université de Toulouse, Inserm, Centre Nationale de la Recherche Scientifique, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Equipe Labellisée Ligue Contre le Cancer 2023, Toulouse, France
- Équipe Labellisée Institut Carnot Opale, Toulouse, France
- Institut Universitaire du Cancer de Toulouse-Oncopole, Toulouse, France
- Centre Hospitalier Universitaire de Toulouse, Toulouse, France
| | - Camille Hamelle
- Université de Toulouse, Inserm, Centre Nationale de la Recherche Scientifique, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Equipe Labellisée Ligue Contre le Cancer 2023, Toulouse, France
- Équipe Labellisée Institut Carnot Opale, Toulouse, France
| | - Laura A. Jamrog
- Université de Toulouse, Inserm, Centre Nationale de la Recherche Scientifique, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Equipe Labellisée Ligue Contre le Cancer 2023, Toulouse, France
- Équipe Labellisée Institut Carnot Opale, Toulouse, France
| | - Naïs Prade
- Université de Toulouse, Inserm, Centre Nationale de la Recherche Scientifique, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Equipe Labellisée Ligue Contre le Cancer 2023, Toulouse, France
- Équipe Labellisée Institut Carnot Opale, Toulouse, France
- Institut Universitaire du Cancer de Toulouse-Oncopole, Toulouse, France
- Centre Hospitalier Universitaire de Toulouse, Toulouse, France
| | - Stéphanie Lagarde
- Université de Toulouse, Inserm, Centre Nationale de la Recherche Scientifique, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Equipe Labellisée Ligue Contre le Cancer 2023, Toulouse, France
- Équipe Labellisée Institut Carnot Opale, Toulouse, France
- Institut Universitaire du Cancer de Toulouse-Oncopole, Toulouse, France
- Centre Hospitalier Universitaire de Toulouse, Toulouse, France
| | - Sylvie Hebrard
- Université de Toulouse, Inserm, Centre Nationale de la Recherche Scientifique, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Equipe Labellisée Ligue Contre le Cancer 2023, Toulouse, France
- Équipe Labellisée Institut Carnot Opale, Toulouse, France
| | - Isabelle Luquet
- Université de Toulouse, Inserm, Centre Nationale de la Recherche Scientifique, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Equipe Labellisée Ligue Contre le Cancer 2023, Toulouse, France
- Équipe Labellisée Institut Carnot Opale, Toulouse, France
- Institut Universitaire du Cancer de Toulouse-Oncopole, Toulouse, France
- Centre Hospitalier Universitaire de Toulouse, Toulouse, France
| | - Véronique Mansat-De Mas
- Université de Toulouse, Inserm, Centre Nationale de la Recherche Scientifique, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Institut Universitaire du Cancer de Toulouse-Oncopole, Toulouse, France
- Centre Hospitalier Universitaire de Toulouse, Toulouse, France
| | - Marie Nolla
- Université de Toulouse, Inserm, Centre Nationale de la Recherche Scientifique, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Equipe Labellisée Ligue Contre le Cancer 2023, Toulouse, France
- Équipe Labellisée Institut Carnot Opale, Toulouse, France
- Centre Hospitalier Universitaire de Toulouse, Toulouse, France
| | - Marlène Pasquet
- Université de Toulouse, Inserm, Centre Nationale de la Recherche Scientifique, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Equipe Labellisée Ligue Contre le Cancer 2023, Toulouse, France
- Équipe Labellisée Institut Carnot Opale, Toulouse, France
- Centre Hospitalier Universitaire de Toulouse, Toulouse, France
| | - Christine Didier
- Université de Toulouse, Inserm, Centre Nationale de la Recherche Scientifique, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Equipe Labellisée Ligue Contre le Cancer 2023, Toulouse, France
- Équipe Labellisée Institut Carnot Opale, Toulouse, France
| | - Ahmed Amine Khamlichi
- Institut de Pharmacologie et de Biologie Structurale, Université de Toulouse, Centre Nationale de la Recherche Scientifique, Université Toulouse III—Paul Sabatier (UT3), Toulouse, France
| | - Cyril Broccardo
- Université de Toulouse, Inserm, Centre Nationale de la Recherche Scientifique, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Equipe Labellisée Ligue Contre le Cancer 2023, Toulouse, France
- Équipe Labellisée Institut Carnot Opale, Toulouse, France
| | - Éric Delabesse
- Université de Toulouse, Inserm, Centre Nationale de la Recherche Scientifique, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Equipe Labellisée Ligue Contre le Cancer 2023, Toulouse, France
- Équipe Labellisée Institut Carnot Opale, Toulouse, France
- Institut Universitaire du Cancer de Toulouse-Oncopole, Toulouse, France
- Centre Hospitalier Universitaire de Toulouse, Toulouse, France
| | - Stéphane J.C. Mancini
- Université de Rennes, Etablissement Français du Sang, Inserm, MOBIDIC—UMR_S 1236, Rennes, France
| | - Bastien Gerby
- Université de Toulouse, Inserm, Centre Nationale de la Recherche Scientifique, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Equipe Labellisée Ligue Contre le Cancer 2023, Toulouse, France
- Équipe Labellisée Institut Carnot Opale, Toulouse, France
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10
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Rajagopalan A, Feng Y, Gayatri MB, Ranheim EA, Klungness T, Matson DR, Lee MH, Jung MM, Zhou Y, Gao X, Nadiminti KV, Yang DT, Tran VL, Padron E, Miyamoto S, Bresnick EH, Zhang J. A gain-of-function p53 mutant synergizes with oncogenic NRAS to promote acute myeloid leukemia in mice. J Clin Invest 2023; 133:e173116. [PMID: 37847561 PMCID: PMC10721149 DOI: 10.1172/jci173116] [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: 06/21/2023] [Accepted: 10/12/2023] [Indexed: 10/18/2023] Open
Abstract
We previously demonstrated that a subset of acute myeloid leukemia (AML) patients with concurrent RAS pathway and TP53 mutations have an extremely poor prognosis and that most of these TP53 mutations are missense mutations. Here, we report that, in contrast to the mixed AML and T cell malignancy that developed in NrasG12D/+ p53-/- (NP-/-) mice, NrasG12D/+ p53R172H/+ (NPmut) mice rapidly developed inflammation-associated AML. Under the inflammatory conditions, NPmut hematopoietic stem and progenitor cells (HSPCs) displayed imbalanced myelopoiesis and lymphopoiesis and mostly normal cell proliferation despite MEK/ERK hyperactivation. RNA-Seq analysis revealed that oncogenic NRAS signaling and mutant p53 synergized to establish an NPmut-AML transcriptome distinct from that of NP-/- cells. The NPmut-AML transcriptome showed GATA2 downregulation and elevated the expression of inflammatory genes, including those linked to NF-κB signaling. NF-κB was also upregulated in human NRAS TP53 AML. Exogenous expression of GATA2 in human NPmut KY821 AML cells downregulated inflammatory gene expression. Mouse and human NPmut AML cells were sensitive to MEK and NF-κB inhibition in vitro. The proteasome inhibitor bortezomib stabilized the NF-κB-inhibitory protein IκBα, reduced inflammatory gene expression, and potentiated the survival benefit of a MEK inhibitor in NPmut mice. Our study demonstrates that a p53 structural mutant synergized with oncogenic NRAS to promote AML through mechanisms distinct from p53 loss.
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Affiliation(s)
- Adhithi Rajagopalan
- McArdle Laboratory for Cancer Research, University of Wisconsin–Madison, Madison, Wisconsin, USA
| | - Yubin Feng
- McArdle Laboratory for Cancer Research, University of Wisconsin–Madison, Madison, Wisconsin, USA
| | - Meher B. Gayatri
- McArdle Laboratory for Cancer Research, University of Wisconsin–Madison, Madison, Wisconsin, USA
| | - Erik A. Ranheim
- Department of Pathology and Laboratory Medicine, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA
- University of Wisconsin Carbone Cancer Center, Madison, Wisconsin, USA
| | - Taylor Klungness
- McArdle Laboratory for Cancer Research, University of Wisconsin–Madison, Madison, Wisconsin, USA
| | - Daniel R. Matson
- Department of Pathology and Laboratory Medicine, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA
- University of Wisconsin Carbone Cancer Center, Madison, Wisconsin, USA
| | - Moon Hee Lee
- McArdle Laboratory for Cancer Research, University of Wisconsin–Madison, Madison, Wisconsin, USA
| | - Mabel Minji Jung
- University of Wisconsin Carbone Cancer Center, Madison, Wisconsin, USA
- Wisconsin Blood Cancer Research Institute, Department of Cell and Regenerative Biology, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA
| | - Yun Zhou
- McArdle Laboratory for Cancer Research, University of Wisconsin–Madison, Madison, Wisconsin, USA
| | - Xin Gao
- McArdle Laboratory for Cancer Research, University of Wisconsin–Madison, Madison, Wisconsin, USA
| | - Kalyan V.G. Nadiminti
- University of Wisconsin Carbone Cancer Center, Madison, Wisconsin, USA
- Division of Hematology, Medical Oncology and Palliative Care, Department of Medicine, University of Wisconsin, Madison, Wisconsin, USA
| | - David T. Yang
- Department of Pathology and Laboratory Medicine, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA
- University of Wisconsin Carbone Cancer Center, Madison, Wisconsin, USA
| | - Vu L. Tran
- McArdle Laboratory for Cancer Research, University of Wisconsin–Madison, Madison, Wisconsin, USA
- University of Wisconsin Carbone Cancer Center, Madison, Wisconsin, USA
- Wisconsin Blood Cancer Research Institute, Department of Cell and Regenerative Biology, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA
| | - Eric Padron
- Chemical Biology and Molecular Medicine Program, Moffitt Cancer Center, Tampa, Florida, USA
| | - Shigeki Miyamoto
- McArdle Laboratory for Cancer Research, University of Wisconsin–Madison, Madison, Wisconsin, USA
- University of Wisconsin Carbone Cancer Center, Madison, Wisconsin, USA
| | - Emery H. Bresnick
- University of Wisconsin Carbone Cancer Center, Madison, Wisconsin, USA
- Wisconsin Blood Cancer Research Institute, Department of Cell and Regenerative Biology, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA
| | - Jing Zhang
- McArdle Laboratory for Cancer Research, University of Wisconsin–Madison, Madison, Wisconsin, USA
- University of Wisconsin Carbone Cancer Center, Madison, Wisconsin, USA
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11
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Kasbekar M, Mitchell CA, Proven MA, Passegué E. Hematopoietic stem cells through the ages: A lifetime of adaptation to organismal demands. Cell Stem Cell 2023; 30:1403-1420. [PMID: 37865087 PMCID: PMC10842631 DOI: 10.1016/j.stem.2023.09.013] [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: 08/05/2023] [Revised: 09/20/2023] [Accepted: 09/28/2023] [Indexed: 10/23/2023]
Abstract
Hematopoietic stem cells (HSCs), which govern the production of all blood lineages, transition through a series of functional states characterized by expansion during fetal development, functional quiescence in adulthood, and decline upon aging. We describe central features of HSC regulation during ontogeny to contextualize how adaptive responses over the life of the organism ultimately form the basis for HSC functional degradation with age. We particularly focus on the role of cell cycle regulation, inflammatory response pathways, epigenetic changes, and metabolic regulation. We then explore how the knowledge of age-related changes in HSC regulation can inform strategies for the rejuvenation of old HSCs.
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Affiliation(s)
- Monica Kasbekar
- Columbia Stem Cell Initiative, Department of Genetics and Development, Columbia University, New York, NY 10032, USA; Division of Hematology and Medical Oncology, Department of Medicine, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Carl A Mitchell
- Columbia Stem Cell Initiative, Department of Genetics and Development, Columbia University, New York, NY 10032, USA
| | - Melissa A Proven
- Columbia Stem Cell Initiative, Department of Genetics and Development, Columbia University, New York, NY 10032, USA
| | - Emmanuelle Passegué
- Columbia Stem Cell Initiative, Department of Genetics and Development, Columbia University, New York, NY 10032, USA.
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12
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Li J, Malouf C, Miles LA, Willis MB, Pietras EM, King KY. Chronic inflammation can transform the fate of normal and mutant hematopoietic stem cells. Exp Hematol 2023; 127:8-13. [PMID: 37647982 DOI: 10.1016/j.exphem.2023.08.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 08/24/2023] [Accepted: 08/25/2023] [Indexed: 09/01/2023]
Abstract
Chronic inflammation, although subtle, puts the body in a constant state of alertness and is associated with many diseases, including cancer and cardiovascular diseases. It leads hematopoietic cells to produce and release proinflammatory cytokines, which trigger specific signaling pathways in hematopoietic stem cells (HSCs) that cause changes in proliferation, differentiation, and migration. This response is essential when HSCs are needed to produce specific blood cells to eliminate an intruder, such as a pathogenic virus, but mutant HSCs can use these proinflammatory signals to their advantage and accelerate the development of hematologic disease or malignancy. Understanding this complex process is vital for monitoring and controlling disease progression in patients. In the 2023 International Society for Experimental Hematology winter webinar, Dr. Eric Pietras (University of Colorado Anschutz Medical Campus, United States) and Dr. Katherine Y. King (Baylor College of Medicine, United States) gave a presentation on this topic, which is summarized in this review article.
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Affiliation(s)
- Jingjing Li
- Graduate School of Biomedical Engineering, University of New South Wales, Sydney, NSW, Australia.
| | | | - Linde A Miles
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH; Division of Experimental Hematology & Cancer Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH
| | - Mara B Willis
- Center for Cell and Gene Therapy and Department of Pediatrics, Division of Infectious Diseases, Baylor College of Medicine, Houston, TX
| | - Eric M Pietras
- Division of Hematology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO
| | - Katherine Y King
- Center for Cell and Gene Therapy and Department of Pediatrics, Division of Infectious Diseases, Baylor College of Medicine, Houston, TX
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13
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Khanolkar A, Liu G, Simpson Schneider BM. Defining the Basal and Immunomodulatory Mediator-Induced Phosphoprotein Signature in Pediatric B Cell Acute Lymphoblastic Leukemia (B-ALL) Diagnostic Samples. Int J Mol Sci 2023; 24:13937. [PMID: 37762241 PMCID: PMC10531382 DOI: 10.3390/ijms241813937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 08/29/2023] [Accepted: 08/31/2023] [Indexed: 09/29/2023] Open
Abstract
It is theorized that dysregulated immune responses to infectious insults contribute to the development of pediatric B-ALL. In this context, our understanding of the immunomodulatory-mediator-induced signaling responses of leukemic blasts in pediatric B-ALL diagnostic samples is rather limited. Hence, in this study, we defined the signaling landscape of leukemic blasts, as well as normal mature B cells and T cells residing in diagnostic samples from 63 pediatric B-ALL patients. These samples were interrogated with a range of immunomodulatory-mediators within 24 h of collection, and phosflow analyses of downstream proximal signaling nodes were performed. Our data reveal evidence of basal hyperphosphorylation across a broad swath of these signaling nodes in leukemic blasts in contrast to normal mature B cells and T cells in the same sample. We also detected similarities in the phosphoprotein signature between blasts and mature B cells in response to IFNγ and IL-2 treatment, but significant divergence in the phosphoprotein signature was observed between blasts and mature B cells in response to IL-4, IL-7, IL-10, IL-21 and CD40 ligand treatment. Our results demonstrate the existence of both symmetry and asymmetry in the phosphoprotein signature between leukemic and non-leukemic cells in pediatric B-ALL diagnostic samples.
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Affiliation(s)
- Aaruni Khanolkar
- Department of Pathology, Ann and Robert H. Lurie Children’s Hospital of Chicago, Chicago, IL 60611, USA
- Department of Pathology, Northwestern University, Chicago, IL 60611, USA
| | - Guorong Liu
- Department of Pathology, Ann and Robert H. Lurie Children’s Hospital of Chicago, Chicago, IL 60611, USA
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14
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Dellorusso PV, Proven MA, Calero-Nieto FJ, Wang X, Mitchell CA, Hartmann F, Amouzgar M, Favaro P, DeVilbiss A, Swann JW, Ho TT, Zhao Z, Bendall SC, Morrison S, Göttgens B, Passegué E. Autophagy counters inflammation-driven glycolytic impairment in aging hematopoietic stem cells. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.08.17.553736. [PMID: 37645930 PMCID: PMC10462159 DOI: 10.1101/2023.08.17.553736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
Aging of the hematopoietic system promotes various blood, immune and systemic disorders and is largely driven by hematopoietic stem cell (HSC) dysfunction ( 1 ). Autophagy is central for the benefits associated with activation of longevity signaling programs ( 2 ), and for HSC function and response to nutrient stress ( 3,4 ). With age, a subset of HSCs increases autophagy flux and preserves some regenerative capacity, while the rest fail to engage autophagy and become metabolically overactivated and dysfunctional ( 4 ). However, the signals that promote autophagy in old HSCs and the mechanisms responsible for the increased regenerative potential of autophagy-activated old HSCs remain unknown. Here, we demonstrate that autophagy activation is an adaptive survival response to chronic inflammation in the aging bone marrow (BM) niche ( 5 ). We find that inflammation impairs glucose metabolism and suppresses glycolysis in aged HSCs through Socs3-mediated impairment of AKT/FoxO-dependent signaling. In this context, we show that inflammation-mediated autophagy engagement preserves functional quiescence by enabling metabolic adaptation to glycolytic impairment. Moreover, we demonstrate that transient autophagy induction via a short-term fasting/refeeding paradigm normalizes glucose uptake and glycolytic flux and significantly improves old HSC regenerative potential. Our results identify inflammation-driven glucose hypometabolism as a key driver of HSC dysfunction with age and establish autophagy as a targetable node to reset old HSC glycolytic and regenerative capacity. One-Sentence Summary Autophagy compensates for chronic inflammation-induced metabolic deregulation in old HSCs, and its transient modulation can reset old HSC glycolytic and regenerative capacity.
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15
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Treichel S, Filippi MD. Linking cell cycle to hematopoietic stem cell fate decisions. Front Cell Dev Biol 2023; 11:1231735. [PMID: 37645247 PMCID: PMC10461445 DOI: 10.3389/fcell.2023.1231735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Accepted: 07/26/2023] [Indexed: 08/31/2023] Open
Abstract
Hematopoietic stem cells (HSCs) have the properties to self-renew and/or differentiate into any blood cell lineages. In order to balance the maintenance of the stem cell pool with supporting mature blood cell production, the fate decisions to self-renew or to commit to differentiation must be tightly controlled, as dysregulation of this process can lead to bone marrow failure or leukemogenesis. The contribution of the cell cycle to cell fate decisions has been well established in numerous types of stem cells, including pluripotent stem cells. Cell cycle length is an integral component of hematopoietic stem cell fate. Hematopoietic stem cells must remain quiescent to prevent premature replicative exhaustion. Yet, hematopoietic stem cells must be activated into cycle in order to produce daughter cells that will either retain stem cell properties or commit to differentiation. How the cell cycle contributes to hematopoietic stem cell fate decisions is emerging from recent studies. Hematopoietic stem cell functions can be stratified based on cell cycle kinetics and divisional history, suggesting a link between Hematopoietic stem cells activity and cell cycle length. Hematopoietic stem cell fate decisions are also regulated by asymmetric cell divisions and recent studies have implicated metabolic and organelle activity in regulating hematopoietic stem cell fate. In this review, we discuss the current understanding of the mechanisms underlying hematopoietic stem cell fate decisions and how they are linked to the cell cycle.
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Affiliation(s)
- Sydney Treichel
- Division of Experimental Hematology and Cancer Biology, Department of Pediatrics, Cincinnati Children’s Hospital Research Foundation, Cincinnati, OH, United States
- University of Cincinnati College of Medicine, Cincinnati, OH, United States
- Molecular and Development Biology Graduate Program, University of Cincinnati College of Medicine, Cincinnati, OH, United States
| | - Marie-Dominique Filippi
- Division of Experimental Hematology and Cancer Biology, Department of Pediatrics, Cincinnati Children’s Hospital Research Foundation, Cincinnati, OH, United States
- University of Cincinnati College of Medicine, Cincinnati, OH, United States
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16
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Alves-Hanna FS, Crespo-Neto JA, Nogueira GM, Pereira DS, Lima AB, Ribeiro TLP, Santos VGR, Fonseca JRF, Magalhães-Gama F, Sadahiro A, Costa AG. Insights Regarding the Role of Inflammasomes in Leukemia: What Do We Know? J Immunol Res 2023; 2023:5584492. [PMID: 37577033 PMCID: PMC10421713 DOI: 10.1155/2023/5584492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 07/02/2023] [Accepted: 07/10/2023] [Indexed: 08/15/2023] Open
Abstract
Inflammation is a physiological mechanism of the immune response and has an important role in maintaining the hematopoietic cell niche in the bone marrow. During this process, the participation of molecules produced by innate immunity cells in response to a variety of pathogen-associated molecular patterns and damage-associated molecular patterns is observed. However, chronic inflammation is intrinsically associated with leukemogenesis, as it induces DNA damage in hematopoietic stem cells and contributes to the creation of the preleukemic clone. Several factors influence the malignant transformation within the hematopoietic microenvironment, with inflammasomes having a crucial role in this process, in addition to acting in the regulation of hematopoiesis and its homeostasis. Inflammasomes are intracellular multimeric complexes responsible for the maturation and secretion of the proinflammatory cytokines interleukin-1β and interleukin-18 and the cell death process via pyroptosis. Therefore, dysregulation of the activation of these complexes may be a factor in triggering several diseases, including leukemias, and this has been the subject of several studies in the area. In this review, we summarized the current knowledge on the relationship between inflammation and leukemogenesis, in particular, the role of inflammasomes in different types of leukemias, and we describe the potential therapeutic targets directed at inflammasomes in the leukemic context.
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Affiliation(s)
- Fabíola Silva Alves-Hanna
- Programa de Pós-Graduação em Imunologia Básica e Aplicada, Instituto de Ciências Biológicas, Universidade Federal do Amazonas (UFAM), Manaus, AM, Brazil
- Diretoria de Ensino e Pesquisa, Fundação Hospitalar de Hematologia e Hemoterapia do Amazonas (HEMOAM), Manaus, AM, Brazil
| | - Juniel Assis Crespo-Neto
- Diretoria de Ensino e Pesquisa, Fundação Hospitalar de Hematologia e Hemoterapia do Amazonas (HEMOAM), Manaus, AM, Brazil
| | - Glenda Menezes Nogueira
- Diretoria de Ensino e Pesquisa, Fundação Hospitalar de Hematologia e Hemoterapia do Amazonas (HEMOAM), Manaus, AM, Brazil
- Programa de Pós-Graduação em Ciências Aplicadas à Hematologia, Universidade do Estado do Amazonas (UEA), Manaus, AM, Brazil
| | - Daniele Sá Pereira
- Diretoria de Ensino e Pesquisa, Fundação Hospitalar de Hematologia e Hemoterapia do Amazonas (HEMOAM), Manaus, AM, Brazil
- Programa de Pós-Graduação em Ciências Aplicadas à Hematologia, Universidade do Estado do Amazonas (UEA), Manaus, AM, Brazil
| | - Amanda Barros Lima
- Programa de Pós-Graduação em Imunologia Básica e Aplicada, Instituto de Ciências Biológicas, Universidade Federal do Amazonas (UFAM), Manaus, AM, Brazil
- Diretoria de Ensino e Pesquisa, Fundação Hospitalar de Hematologia e Hemoterapia do Amazonas (HEMOAM), Manaus, AM, Brazil
| | - Thaís Lohana Pereira Ribeiro
- Diretoria de Ensino e Pesquisa, Fundação Hospitalar de Hematologia e Hemoterapia do Amazonas (HEMOAM), Manaus, AM, Brazil
- Programa de Pós-Graduação em Ciências Aplicadas à Hematologia, Universidade do Estado do Amazonas (UEA), Manaus, AM, Brazil
| | | | - Joey Ramone Ferreira Fonseca
- Diretoria de Ensino e Pesquisa, Fundação Hospitalar de Hematologia e Hemoterapia do Amazonas (HEMOAM), Manaus, AM, Brazil
| | - Fábio Magalhães-Gama
- Diretoria de Ensino e Pesquisa, Fundação Hospitalar de Hematologia e Hemoterapia do Amazonas (HEMOAM), Manaus, AM, Brazil
- Programa de Pós-Graduação em Ciências da Saúde, Instituto René Rachou, Fundação Oswaldo Cruz (FIOCRUZ-Minas), Belo Horizonte, MG, Brazil
| | - Aya Sadahiro
- Programa de Pós-Graduação em Imunologia Básica e Aplicada, Instituto de Ciências Biológicas, Universidade Federal do Amazonas (UFAM), Manaus, AM, Brazil
| | - Allyson Guimarães Costa
- Programa de Pós-Graduação em Imunologia Básica e Aplicada, Instituto de Ciências Biológicas, Universidade Federal do Amazonas (UFAM), Manaus, AM, Brazil
- Diretoria de Ensino e Pesquisa, Fundação Hospitalar de Hematologia e Hemoterapia do Amazonas (HEMOAM), Manaus, AM, Brazil
- Programa de Pós-Graduação em Ciências Aplicadas à Hematologia, Universidade do Estado do Amazonas (UEA), Manaus, AM, Brazil
- Programa de Pós-Graduação em Ciências da Saúde, Instituto René Rachou, Fundação Oswaldo Cruz (FIOCRUZ-Minas), Belo Horizonte, MG, Brazil
- Escola de Enfermagem de Manaus, Universidade Federal do Amazonas (UFAM), Manaus, AM, Brazil
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17
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Chavez JS, Rabe JL, Niño KE, Wells HH, Gessner RL, Mills TS, Hernandez G, Pietras EM. PU.1 is required to restrain myelopoiesis during chronic inflammatory stress. Front Cell Dev Biol 2023; 11:1204160. [PMID: 37497478 PMCID: PMC10368259 DOI: 10.3389/fcell.2023.1204160] [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: 04/11/2023] [Accepted: 06/19/2023] [Indexed: 07/28/2023] Open
Abstract
Chronic inflammation is a common feature of aging and numerous diseases such as diabetes, obesity, and autoimmune syndromes and has been linked to the development of hematological malignancy. Blood-forming hematopoietic stem cells (HSC) can contribute to these diseases via the production of tissue-damaging myeloid cells and/or the acquisition of mutations in epigenetic and transcriptional regulators that initiate evolution toward leukemogenesis. We previously showed that the myeloid "master regulator" transcription factor PU.1 is robustly induced in HSC by pro-inflammatory cytokines such as interleukin (IL)-1β and limits their proliferative activity. Here, we used a PU.1-deficient mouse model to investigate the broader role of PU.1 in regulating hematopoietic activity in response to chronic inflammatory challenges. We found that PU.1 is critical in restraining inflammatory myelopoiesis via suppression of cell cycle and self-renewal gene programs in myeloid-biased multipotent progenitor (MPP) cells. Our data show that while PU.1 functions as a key driver of myeloid differentiation, it plays an equally critical role in tailoring hematopoietic responses to inflammatory stimuli while limiting expansion and self-renewal gene expression in MPPs. These data identify PU.1 as a key regulator of "emergency" myelopoiesis relevant to inflammatory disease and leukemogenesis.
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Affiliation(s)
- James S. Chavez
- Division of Hematology, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Jennifer L. Rabe
- Division of Hematology, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Katia E. Niño
- Division of Hematology, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Harrison H. Wells
- Division of Hematology, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Rachel L. Gessner
- Division of Hematology, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Taylor S. Mills
- Division of Hematology, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
- Department of Immunology and Microbiology, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Giovanny Hernandez
- Division of Hematology, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Eric M. Pietras
- Division of Hematology, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
- Department of Immunology and Microbiology, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
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18
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Zhao HG, Deininger M. Always stressed but never exhausted: how stem cells in myeloid neoplasms avoid extinction in inflammatory conditions. Blood 2023; 141:2797-2812. [PMID: 36947811 PMCID: PMC10315634 DOI: 10.1182/blood.2022017152] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 02/27/2023] [Accepted: 03/13/2023] [Indexed: 03/24/2023] Open
Abstract
Chronic or recurrent episodes of acute inflammation cause attrition of normal hematopoietic stem cells (HSCs) that can lead to hematopoietic failure but they drive progression in myeloid malignancies and their precursor clonal hematopoiesis. Mechanistic parallels exist between hematopoiesis in chronic inflammation and the continuously increased proliferation of myeloid malignancies, particularly myeloproliferative neoplasms (MPNs). The ability to enter dormancy, a state of deep quiescence characterized by low oxidative phosphorylation, low glycolysis, reduced protein synthesis, and increased autophagy is central to the preservation of long-term HSCs and likely MPN SCs. The metabolic features of dormancy resemble those of diapause, a state of arrested embryonic development triggered by adverse environmental conditions. To outcompete their normal counterparts in the inflammatory MPN environment, MPN SCs co-opt mechanisms used by HSCs to avoid exhaustion, including signal attenuation by negative regulators, insulation from activating cytokine signals, anti-inflammatory signaling, and epigenetic reprogramming. We propose that new therapeutic strategies may be derived from conceptualizing myeloid malignancies as an ecosystem out of balance, in which residual normal and malignant hematopoietic cells interact in multiple ways, only few of which have been characterized in detail. Disrupting MPN SC insulation to overcome dormancy, interfering with aberrant cytokine circuits that favor MPN cells, and directly boosting residual normal HSCs are potential strategies to tip the balance in favor of normal hematopoiesis. Although eradicating the malignant cell clones remains the goal of therapy, rebalancing the ecosystem may be a more attainable objective in the short term.
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Affiliation(s)
- Helong Gary Zhao
- Versiti Blood Research Institute and Medical College of Wisconsin, Milwaukee, WI
| | - Michael Deininger
- Versiti Blood Research Institute and Medical College of Wisconsin, Milwaukee, WI
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19
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Lemerle E, Trompouki E. Hematopoietic heterogeneity starts at the hemogenic endothelium. Cell Res 2023; 33:413-414. [PMID: 37055594 PMCID: PMC10235036 DOI: 10.1038/s41422-023-00806-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/15/2023] Open
Affiliation(s)
- Eline Lemerle
- IRCAN Institute for Research on Cancer and Aging, INSERM Unité 1081, CNRS UMR 7284, Université Côte d'Azur, Nice, France
| | - Eirini Trompouki
- IRCAN Institute for Research on Cancer and Aging, INSERM Unité 1081, CNRS UMR 7284, Université Côte d'Azur, Nice, France.
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20
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Ou X, Wang H, Tie H, Liao J, Luo Y, Huang W, Yu R, Song L, Zhu J. Novel plant-derived exosome-like nanovesicles from Catharanthus roseus: preparation, characterization, and immunostimulatory effect via TNF-α/NF-κB/PU.1 axis. J Nanobiotechnology 2023; 21:160. [PMID: 37210530 DOI: 10.1186/s12951-023-01919-x] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 05/04/2023] [Indexed: 05/22/2023] Open
Abstract
BACKGROUND Plant-derived exosomes-like nanovesicles (PDENs) have been found to be advantageous in disease treatment and drug delivery, but research on their biogenesis, compositional analysis, and key marker proteins is still in its infancy, which limits the standardized production of PDENs. Efficient preparation of PDENs continues to be a major challenge. RESULTS Novel PDENs-based chemotherapeutic immune modulators, Catharanthus roseus (L.) Don leaves-derived exosome-like nanovesicles (CLDENs) were isolated from apoplastic fluid. CLDENs were membrane structured vesicles with a particle size of 75.51 ± 10.19 nm and a surface charge of -21.8 mV. CLDENs exhibited excellent stability, tolerating multiple enzymatic digestions, resisting extreme pH environments, and remaining stable in the gastrointestinal simulating fluid. Biodistribution experiments showed that CLDENs could be internalized by immune cells, and targeted at immune organs after intraperitoneal injection. The lipidomic analysis revealed CLDENs' special lipid composition, which contained 36.5% ether-phospholipids. Differential proteomics supported the origin of CLDENs in multivesicular bodies, and six marker proteins of CLDENs were identified for the first time. 60 ~ 240 μg/ml of CLDENs promoted the polarization and phagocytosis of macrophages as well as lymphocyte proliferation in vitro. Administration of 20 mg/kg and 60 mg/kg of CLDENs alleviated white blood cell reduction and bone marrow cell cycle arrest in immunosuppressive mice induced by cyclophosphamide. CLDENs strongly stimulated the secretion of TNF-α, activated NF-κB signal pathway and increased the expression of the hematopoietic function-related transcription factor PU.1 both in vitro and in vivo. To ensure a steady supply of CLDENs, plant cell culture systems of C. roseus were established to provide CLDENs-like nanovesicles which had similar physical properties and biological activities. Gram-level nanovesicles were successfully obtained from the culture medium, and the yield was three times as high as the original. CONCLUSIONS Our research supports the use of CLDENs as a nano-biomaterial with excellent stability and biocompatibility, and for post-chemotherapy immune adjuvant therapy applications.
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Affiliation(s)
- Xiaozheng Ou
- Biotechnological Institute of Chinese Materia Medica, Jinan University, Guangzhou, 511443, China
- Department of Pharmacology, Jinan University, Guangzhou, 511443, China
| | - Haoran Wang
- Weihai Neoland Biosciences Co., Ltd, Weihai, 264209, China
| | - Huilin Tie
- Biotechnological Institute of Chinese Materia Medica, Jinan University, Guangzhou, 511443, China
| | - Jiapei Liao
- Biotechnological Institute of Chinese Materia Medica, Jinan University, Guangzhou, 511443, China
| | - Yuanyuan Luo
- Department of Pharmacology, Jinan University, Guangzhou, 511443, China
| | - Weijuan Huang
- Department of Pharmacology, Jinan University, Guangzhou, 511443, China
| | - Rongmin Yu
- Biotechnological Institute of Chinese Materia Medica, Jinan University, Guangzhou, 511443, China.
- Weihai Neoland Biosciences Co., Ltd, Weihai, 264209, China.
| | - Liyan Song
- Department of Pharmacology, Jinan University, Guangzhou, 511443, China.
| | - Jianhua Zhu
- Biotechnological Institute of Chinese Materia Medica, Jinan University, Guangzhou, 511443, China.
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21
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Sun T, Li D, Huang L, Zhu X. Inflammatory abrasion of hematopoietic stem cells: a candidate clue for the post-CAR-T hematotoxicity? Front Immunol 2023; 14:1141779. [PMID: 37223096 PMCID: PMC10200893 DOI: 10.3389/fimmu.2023.1141779] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Accepted: 04/21/2023] [Indexed: 05/25/2023] Open
Abstract
Chimeric antigen receptor T-cell (CAR-T) therapy has shown remarkable effects in treating various hematological malignancies. However, hematotoxicity, specifically neutropenia, thrombocytopenia, and anemia, poses a serious threat to patient prognosis and remains a less focused adverse effect of CAR-T therapy. The mechanism underlying lasting or recurring late-phase hematotoxicity, long after the influence of lymphodepletion therapy and cytokine release syndrome (CRS), remains elusive. In this review, we summarize the current clinical studies on CAR-T late hematotoxicity to clarify its definition, incidence, characteristics, risk factors, and interventions. Owing to the effectiveness of transfusing hematopoietic stem cells (HSCs) in rescuing severe CAR-T late hematotoxicity and the unignorable role of inflammation in CAR-T therapy, this review also discusses possible mechanisms of the harmful influence of inflammation on HSCs, including inflammatory abrasion of the number and the function of HSCs. We also discuss chronic and acute inflammation. Cytokines, cellular immunity, and niche factors likely to be disturbed in CAR-T therapy are highlighted factors with possible contributions to post-CAR-T hematotoxicity.
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22
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Yang Q, Liu HR, Yang S, Wei YS, Zhu XN, Zhi Z, Zhu D, Chen GQ, Yu Y. ANP32B suppresses B-cell acute lymphoblastic leukemia through activation of PU.1 in mice. Cancer Sci 2023. [PMID: 37137487 DOI: 10.1111/cas.15822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Revised: 03/27/2023] [Accepted: 04/06/2023] [Indexed: 05/05/2023] Open
Abstract
ANP32B, a member of the acidic leucine-rich nuclear phosphoprotein 32 kDa (ANP32) family of proteins, is critical for normal development because its constitutive knockout mice are perinatal lethal. It is also shown that ANP32B acts as a tumor-promoting gene in some kinds of cancer such as breast cancer and chronic myelogenous leukemia. Herein, we observe that ANP32B is lowly expressed in B-cell acute lymphoblastic leukemia (B-ALL) patients, which correlates with poor prognosis. Furthermore, we utilized the N-myc or BCR-ABLp190 -induced B-ALL mouse model to investigate the role of ANP32B in B-ALL development. Intriguingly, conditional deletion of Anp32b in hematopoietic cells significantly promotes leukemogenesis in two B-ALL mouse models. Mechanistically, ANP32B interacts with purine rich box-1 (PU.1) and enhances the transcriptional activity of PU.1 in B-ALL cells. Overexpression of PU.1 dramatically suppresses B-ALL progression, and highly expressed PU.1 significantly reverses the accelerated leukemogenesis in Anp32b-deficient mice. Collectively, our findings identify ANP32B as a suppressor gene and provide novel insight into B-ALL pathogenesis.
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Affiliation(s)
- Qian Yang
- Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Rui-Jin Hospital, Shanghai Jiao-Tong University School of Medicine (SJTU-SM), Shanghai, China
| | - Hao-Ran Liu
- Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Rui-Jin Hospital, Shanghai Jiao-Tong University School of Medicine (SJTU-SM), Shanghai, China
| | - Shuo Yang
- Department of Laboratory Medicine, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yu-Sheng Wei
- Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Rui-Jin Hospital, Shanghai Jiao-Tong University School of Medicine (SJTU-SM), Shanghai, China
| | - Xiao-Na Zhu
- Institute of Aging & Tissue Regeneration, State Key Laboratory of Oncogenes and Related Genes and Chinese Academy of Medical Sciences Research Unit (NO.2019RU043), Ren-Ji Hospital, Shanghai Jiao-Tong University School of Medicine (SJTU-SM), Shanghai, China
| | - Zhe Zhi
- Institute of Aging & Tissue Regeneration, State Key Laboratory of Oncogenes and Related Genes and Chinese Academy of Medical Sciences Research Unit (NO.2019RU043), Ren-Ji Hospital, Shanghai Jiao-Tong University School of Medicine (SJTU-SM), Shanghai, China
| | - Di Zhu
- Institute of Aging & Tissue Regeneration, State Key Laboratory of Oncogenes and Related Genes and Chinese Academy of Medical Sciences Research Unit (NO.2019RU043), Ren-Ji Hospital, Shanghai Jiao-Tong University School of Medicine (SJTU-SM), Shanghai, China
| | - Guo-Qiang Chen
- Institute of Aging & Tissue Regeneration, State Key Laboratory of Oncogenes and Related Genes and Chinese Academy of Medical Sciences Research Unit (NO.2019RU043), Ren-Ji Hospital, Shanghai Jiao-Tong University School of Medicine (SJTU-SM), Shanghai, China
| | - Yun Yu
- Institute of Aging & Tissue Regeneration, State Key Laboratory of Oncogenes and Related Genes and Chinese Academy of Medical Sciences Research Unit (NO.2019RU043), Ren-Ji Hospital, Shanghai Jiao-Tong University School of Medicine (SJTU-SM), Shanghai, China
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23
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Herrejon Chavez F, Luo H, Cifani P, Pine A, Chu KL, Joshi S, Barin E, Schurer A, Chan M, Chang K, Han GYQ, Pierson AJ, Xiao M, Yang X, Kuehm LM, Hong Y, Nguyen DTT, Chiosis G, Kentsis A, Leslie C, Vu LP, Kharas MG. RNA binding protein SYNCRIP maintains proteostasis and self-renewal of hematopoietic stem and progenitor cells. Nat Commun 2023; 14:2290. [PMID: 37085479 PMCID: PMC10121618 DOI: 10.1038/s41467-023-38001-x] [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: 04/23/2022] [Accepted: 04/11/2023] [Indexed: 04/23/2023] Open
Abstract
Tissue homeostasis is maintained after stress by engaging and activating the hematopoietic stem and progenitor compartments in the blood. Hematopoietic stem cells (HSCs) are essential for long-term repopulation after secondary transplantation. Here, using a conditional knockout mouse model, we revealed that the RNA-binding protein SYNCRIP is required for maintenance of blood homeostasis especially after regenerative stress due to defects in HSCs and progenitors. Mechanistically, we find that SYNCRIP loss results in a failure to maintain proteome homeostasis that is essential for HSC maintenance. SYNCRIP depletion results in increased protein synthesis, a dysregulated epichaperome, an accumulation of misfolded proteins and induces endoplasmic reticulum stress. Additionally, we find that SYNCRIP is required for translation of CDC42 RHO-GTPase, and loss of SYNCRIP results in defects in polarity, asymmetric segregation, and dilution of unfolded proteins. Forced expression of CDC42 recovers polarity and in vitro replating activities of HSCs. Taken together, we uncovered a post-transcriptional regulatory program that safeguards HSC self-renewal capacity and blood homeostasis.
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Affiliation(s)
- Florisela Herrejon Chavez
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Gerstner Sloan Kettering Graduate School of Biomedical Sciences, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Hanzhi Luo
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Paolo Cifani
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Cold Spring Harbor Laboratory, Cold Spring Harbor, NY, USA
| | - Alli Pine
- Computational Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Karen L Chu
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Department of Pharmacology, Weill Cornell School of Medical Sciences, New York, NY, USA
| | - Suhasini Joshi
- Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Ersilia Barin
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Pharmacology Program of the Weill Cornell Graduate School of Medicine Sciences, New York, NY, USA
| | - Alexandra Schurer
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Mandy Chan
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Kathryn Chang
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Grace Y Q Han
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Aspen J Pierson
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Michael Xiao
- Weill Cornell/Rockefeller/Sloan Kettering Tri-Institutional MD-PhD Program, New York, NY, USA
| | - Xuejing Yang
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | | | - Yuning Hong
- Department of Biochemistry and Chemistry, La Trobe Institute for Molecular Science, La Trobe University, Melbourne, VIC, 3086, Australia
| | - Diu T T Nguyen
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Centre for Haemato-Oncology, Barts Cancer Institute, Queen Mary University of London, London, UK
| | - Gabriela Chiosis
- Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Alex Kentsis
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Tow Center for Developmental Oncology, Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Departments of Pediatrics, Pharmacology, and Physiology & Biophysics, Weill Medical College of Cornell University, New York, NY, USA
| | - Christina Leslie
- Computational Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Ly P Vu
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA.
- Terry Fox Laboratory, British Columbia Cancer Research Centre, Vancouver, BC, Canada.
- Faculty of Pharmaceutical Sciences, University of British Columbia, Vancouver, BC, Canada.
| | - Michael G Kharas
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA.
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24
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Itkin T, Houghton S, Schreiner R, Lin Y, Badwe CR, Voisin V, Murison A, Seyedhassantehrani N, Kaufmann KB, Garcia-Prat L, Booth GT, Geng F, Liu Y, Gomez-Salinero JM, Shieh JH, Redmond D, Xiang JZ, Josefowicz SZ, Trapnell C, Spencer JA, Zangi L, Hadland B, Dick JE, Xie SZ, Rafii S. Transcriptional Activation of Regenerative Hematopoiesis via Vascular Niche Sensing. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.03.27.534417. [PMID: 37034724 PMCID: PMC10081204 DOI: 10.1101/2023.03.27.534417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Transition between activation and quiescence programs in hematopoietic stem and progenitor cells (HSC/HSPCs) is perceived to be governed intrinsically and by microenvironmental co-adaptation. However, HSC programs dictating both transition and adaptability, remain poorly defined. Single cell multiome analysis divulging differential transcriptional activity between distinct HSPC states, indicated for the exclusive absence of Fli-1 motif from quiescent HSCs. We reveal that Fli-1 activity is essential for HSCs during regenerative hematopoiesis. Fli-1 directs activation programs while manipulating cellular sensory and output machineries, enabling HSPCs co-adoptability with a stimulated vascular niche. During regenerative conditions, Fli-1 presets and enables propagation of niche-derived Notch1 signaling. Constitutively induced Notch1 signaling is sufficient to recuperate functional HSC impairments in the absence of Fli-1. Applying FLI-1 modified-mRNA transduction into lethargic adult human mobilized HSPCs, enables their vigorous niche-mediated expansion along with superior engraftment capacities. Thus, decryption of stem cell activation programs offers valuable insights for immune regenerative medicine.
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25
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Xie Z, Zeidan AM. CHIPing away the progression potential of CHIP: A new reality in the making. Blood Rev 2023; 58:101001. [PMID: 35989137 DOI: 10.1016/j.blre.2022.101001] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 08/09/2022] [Accepted: 08/10/2022] [Indexed: 11/15/2022]
Abstract
Over the past few years, we have gained a deeper understanding of clonal hematopoiesis of indeterminate potential (CHIP), especially with regard to the epidemiology, clinical sequelae, and mechanical aspects. However, interventional strategies to prevent or delay the potential negative consequences of CHIP remain underdeveloped. In this review, we highlight the latest updates on clonal hematopoiesis research, including molecular mechanisms and clinical implications, with a particular focus on the evolving strategies for the interventions that are being evaluated in ongoing observational and interventional trials. There remains an urgent need to formulate standardized and evidence-based recommendations and guidelines for evaluating and managing individuals with clonal hematopoiesis. In addition, patient-centric endpoints must be defined for clinical trials, which will enable us to continue the robust development of effective preventive strategies and improve clinical outcomes.
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Affiliation(s)
- Zhuoer Xie
- Division of Hematology, Department of Internal Medicine, Mayo Clinic, Rochester, MN, United States
| | - Amer M Zeidan
- Section of Hematology, Department of Internal Medicine, Yale Cancer Center and Smilow Cancer Hospital, Yale University School of Medicine, CT, United States.
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26
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Caiado F, Kovtonyuk LV, Gonullu NG, Fullin J, Boettcher S, Manz MG. Aging drives Tet2+/- clonal hematopoiesis via IL-1 signaling. Blood 2023; 141:886-903. [PMID: 36379023 PMCID: PMC10651783 DOI: 10.1182/blood.2022016835] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 10/19/2022] [Accepted: 11/10/2022] [Indexed: 11/16/2022] Open
Abstract
Clonal hematopoiesis of indeterminate potential (CHIP), also referred to as aging-related clonal hematopoiesis, is defined as an asymptomatic clonal expansion of mutant mature hematopoietic cells in ≥4% of blood leukocytes. CHIP associates with advanced age and increased risk for hematological malignancy, cardiovascular disease, and all-cause mortality. Loss-of-function somatic mutations in TET2 are frequent drivers of CHIP. However, the contribution of aging-associated cooperating cell-extrinsic drivers, like inflammation, remains underexplored. Using bone marrow (BM) transplantation and newly developed genetic mosaicism (HSC-SCL-Cre-ERT; Tet2+/flox; R26+/tm6[CAG-ZsGreen1]Hze) mouse models of Tet2+/-driven CHIP, we observed an association between increased Tet2+/- clonal expansion and higher BM levels of the inflammatory cytokine interleukin-1 (IL-1) upon aging. Administration of IL-1 to mice carrying CHIP led to an IL-1 receptor 1 (IL-1R1)-dependent expansion of Tet2+/- hematopoietic stem and progenitor cells (HSPCs) and mature blood cells. This expansion was caused by increased Tet2+/- HSPC cell cycle progression, increased multilineage differentiation, and higher repopulation capacity compared with their wild-type counterparts. In agreement, IL-1α-treated Tet2+/- hematopoietic stem cells showed increased DNA replication and repair transcriptomic signatures and reduced susceptibility to IL-1α-mediated downregulation of self-renewal genes. More important, genetic deletion of IL-1R1 in Tet2+/- HPSCs or pharmacologic inhibition of IL-1 signaling impaired Tet2+/- clonal expansion, establishing the IL-1 pathway as a relevant and therapeutically targetable driver of Tet2+/- CHIP progression during aging.
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Affiliation(s)
- Francisco Caiado
- Department of Medical Oncology and Hematology, University Hospital Zurich and University of Zurich, Comprehensive Cancer Center Zurich, Zurich, Switzerland
| | - Larisa V. Kovtonyuk
- Department of Medical Oncology and Hematology, University Hospital Zurich and University of Zurich, Comprehensive Cancer Center Zurich, Zurich, Switzerland
| | - Nagihan G. Gonullu
- Department of Medical Oncology and Hematology, University Hospital Zurich and University of Zurich, Comprehensive Cancer Center Zurich, Zurich, Switzerland
| | - Jonas Fullin
- Department of Medical Oncology and Hematology, University Hospital Zurich and University of Zurich, Comprehensive Cancer Center Zurich, Zurich, Switzerland
| | - Steffen Boettcher
- Department of Medical Oncology and Hematology, University Hospital Zurich and University of Zurich, Comprehensive Cancer Center Zurich, Zurich, Switzerland
| | - Markus G. Manz
- Department of Medical Oncology and Hematology, University Hospital Zurich and University of Zurich, Comprehensive Cancer Center Zurich, Zurich, Switzerland
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27
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Endogenous IL-1 receptor antagonist restricts healthy and malignant myeloproliferation. Nat Commun 2023; 14:12. [PMID: 36596811 PMCID: PMC9810723 DOI: 10.1038/s41467-022-35700-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Accepted: 12/16/2022] [Indexed: 01/04/2023] Open
Abstract
Here we explored the role of interleukin-1β (IL-1β) repressor cytokine, IL-1 receptor antagonist (IL-1rn), in both healthy and abnormal hematopoiesis. Low IL-1RN is frequent in acute myeloid leukemia (AML) patients and represents a prognostic marker of reduced survival. Treatments with IL-1RN and the IL-1β monoclonal antibody canakinumab reduce the expansion of leukemic cells, including CD34+ progenitors, in AML xenografts. In vivo deletion of IL-1rn induces hematopoietic stem cell (HSC) differentiation into the myeloid lineage and hampers B cell development via transcriptional activation of myeloid differentiation pathways dependent on NFκB. Low IL-1rn is present in an experimental model of pre-leukemic myelopoiesis, and IL-1rn deletion promotes myeloproliferation, which relies on the bone marrow hematopoietic and stromal compartments. Conversely, IL-1rn protects against pre-leukemic myelopoiesis. Our data reveal that HSC differentiation is controlled by balanced IL-1β/IL-1rn levels under steady-state, and that loss of repression of IL-1β signaling may underlie pre-leukemic lesion and AML progression.
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28
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Feyen J, Ping Z, Chen L, van Dijk C, van Tienhoven TVD, van Strien PMH, Hoogenboezem RM, Wevers MJW, Sanders MA, Touw IP, Raaijmakers MHGP. Myeloid cells promote interferon signaling-associated deterioration of the hematopoietic system. Nat Commun 2022; 13:7657. [PMID: 36496394 PMCID: PMC9741615 DOI: 10.1038/s41467-022-35318-x] [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: 08/20/2021] [Accepted: 11/28/2022] [Indexed: 12/13/2022] Open
Abstract
Innate and adaptive immune cells participate in the homeostatic regulation of hematopoietic stem cells (HSCs). Here, we interrogate the contribution of myeloid cells, the most abundant cell type in the mammalian bone marrow, in a clinically relevant mouse model of neutropenia. Long-term genetic depletion of neutrophils and eosinophils results in activation of multipotent progenitors but preservation of HSCs. Depletion of myeloid cells abrogates HSC expansion, loss of serial repopulation and lymphoid reconstitution capacity and remodeling of HSC niches, features previously associated with hematopoietic aging. This is associated with mitigation of interferon signaling in both HSCs and their niches via reduction of NK cell number and activation. These data implicate myeloid cells in the functional decline of hematopoiesis, associated with activation of interferon signaling via a putative neutrophil-NK cell axis. Innate immunity may thus come at the cost of system deterioration through enhanced chronic inflammatory signaling to stem cells and their niches.
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Affiliation(s)
- Jacqueline Feyen
- grid.508717.c0000 0004 0637 3764Department of Hematology, Erasmus MC Cancer Institute, 3015CN Rotterdam, the Netherlands
| | - Zhen Ping
- grid.508717.c0000 0004 0637 3764Department of Hematology, Erasmus MC Cancer Institute, 3015CN Rotterdam, the Netherlands
| | - Lanpeng Chen
- grid.508717.c0000 0004 0637 3764Department of Hematology, Erasmus MC Cancer Institute, 3015CN Rotterdam, the Netherlands
| | - Claire van Dijk
- grid.508717.c0000 0004 0637 3764Department of Hematology, Erasmus MC Cancer Institute, 3015CN Rotterdam, the Netherlands
| | - Tim V. D. van Tienhoven
- grid.508717.c0000 0004 0637 3764Department of Hematology, Erasmus MC Cancer Institute, 3015CN Rotterdam, the Netherlands
| | - Paulina M. H. van Strien
- grid.508717.c0000 0004 0637 3764Department of Hematology, Erasmus MC Cancer Institute, 3015CN Rotterdam, the Netherlands
| | - Remco M. Hoogenboezem
- grid.508717.c0000 0004 0637 3764Department of Hematology, Erasmus MC Cancer Institute, 3015CN Rotterdam, the Netherlands
| | - Michiel J. W. Wevers
- grid.508717.c0000 0004 0637 3764Department of Hematology, Erasmus MC Cancer Institute, 3015CN Rotterdam, the Netherlands
| | - Mathijs A. Sanders
- grid.508717.c0000 0004 0637 3764Department of Hematology, Erasmus MC Cancer Institute, 3015CN Rotterdam, the Netherlands
| | - Ivo P. Touw
- grid.508717.c0000 0004 0637 3764Department of Hematology, Erasmus MC Cancer Institute, 3015CN Rotterdam, the Netherlands
| | - Marc H. G. P. Raaijmakers
- grid.508717.c0000 0004 0637 3764Department of Hematology, Erasmus MC Cancer Institute, 3015CN Rotterdam, the Netherlands
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29
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Kouroukli O, Symeonidis A, Foukas P, Maragkou MK, Kourea EP. Bone Marrow Immune Microenvironment in Myelodysplastic Syndromes. Cancers (Basel) 2022; 14:cancers14225656. [PMID: 36428749 PMCID: PMC9688609 DOI: 10.3390/cancers14225656] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 11/11/2022] [Accepted: 11/15/2022] [Indexed: 11/19/2022] Open
Abstract
The BM, the major hematopoietic organ in humans, consists of a pleiomorphic environment of cellular, extracellular, and bioactive compounds with continuous and complex interactions between them, leading to the formation of mature blood cells found in the peripheral circulation. Systemic and local inflammation in the BM elicit stress hematopoiesis and drive hematopoietic stem cells (HSCs) out of their quiescent state, as part of a protective pathophysiologic process. However, sustained chronic inflammation impairs HSC function, favors mutagenesis, and predisposes the development of hematologic malignancies, such as myelodysplastic syndromes (MDS). Apart from intrinsic cellular mechanisms, various extrinsic factors of the BM immune microenvironment (IME) emerge as potential determinants of disease initiation and evolution. In MDS, the IME is reprogrammed, initially to prevent the development, but ultimately to support and provide a survival advantage to the dysplastic clone. Specific cellular elements, such as myeloid-derived suppressor cells (MDSCs) are recruited to support and enhance clonal expansion. The immune-mediated inhibition of normal hematopoiesis contributes to peripheral cytopenias of MDS patients, while immunosuppression in late-stage MDS enables immune evasion and disease progression towards acute myeloid leukemia (AML). In this review, we aim to elucidate the role of the mediators of immune response in the initial pathogenesis of MDS and the evolution of the disease.
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Affiliation(s)
- Olga Kouroukli
- Department of Pathology, University Hospital of Patras, 26504 Patras, Greece
| | - Argiris Symeonidis
- Hematology Division, Department of Internal Medicine, School of Medicine, University of Patras, 26332 Patras, Greece
| | - Periklis Foukas
- 2nd Department of Pathology, Attikon University Hospital, Medical School, National and Kapodistrian University of Athens, 12462 Athens, Greece
| | - Myrto-Kalliopi Maragkou
- Department of Nutritional Sciences and Dietetics, School of Health Sciences, International Hellenic University, 54124 Thessaloniki, Greece
| | - Eleni P. Kourea
- Department of Pathology, School of Medicine, University of Patras, 26504 Patras, Greece
- Correspondence: ; Tel.: +30-2610-969191
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Lenaerts A, Kucinski I, Deboutte W, Derecka M, Cauchy P, Manke T, Göttgens B, Grosschedl R. EBF1 primes B-lymphoid enhancers and limits the myeloid bias in murine multipotent progenitors. J Exp Med 2022; 219:213432. [PMID: 36048017 PMCID: PMC9437269 DOI: 10.1084/jem.20212437] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 06/23/2022] [Accepted: 08/03/2022] [Indexed: 11/04/2022] Open
Abstract
Hematopoietic stem cells (HSCs) and multipotent progenitors (MPPs) generate all cells of the blood system. Despite their multipotency, MPPs display poorly understood lineage bias. Here, we examine whether lineage-specifying transcription factors, such as the B-lineage determinant EBF1, regulate lineage preference in early progenitors. We detect low-level EBF1 expression in myeloid-biased MPP3 and lymphoid-biased MPP4 cells, coinciding with expression of the myeloid determinant C/EBPα. Hematopoietic deletion of Ebf1 results in enhanced myelopoiesis and reduced HSC repopulation capacity. Ebf1-deficient MPP3 and MPP4 cells exhibit an augmented myeloid differentiation potential and a transcriptome with an enriched C/EBPα signature. Correspondingly, EBF1 binds the Cebpa enhancer, and the deficiency and overexpression of Ebf1 in MPP3 and MPP4 cells lead to an up- and downregulation of Cebpa expression, respectively. In addition, EBF1 primes the chromatin of B-lymphoid enhancers specifically in MPP3 cells. Thus, our study implicates EBF1 in regulating myeloid/lymphoid fate bias in MPPs by constraining C/EBPα-driven myelopoiesis and priming the B-lymphoid fate.
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Affiliation(s)
- Aurelie Lenaerts
- Max Planck Institute of Immunobiology and Epigenetics, Freiburg, Germany.,International Max Planck Research School for Molecular and Cellular Biology, Max Planck Institute of Immunobiology and Epigenetics, Freiburg, Germany.,Faculty of Biology, University of Freiburg, Freiburg, Germany
| | - Iwo Kucinski
- Wellcome-MRC Cambridge Stem Cell Institute, Department of Haematology, Jeffrey Cheah Biomedical Centre, University of Cambridge, Cambridge, UK
| | - Ward Deboutte
- Max Planck Institute of Immunobiology and Epigenetics, Freiburg, Germany
| | - Marta Derecka
- Max Planck Institute of Immunobiology and Epigenetics, Freiburg, Germany
| | - Pierre Cauchy
- Max Planck Institute of Immunobiology and Epigenetics, Freiburg, Germany
| | - Thomas Manke
- Max Planck Institute of Immunobiology and Epigenetics, Freiburg, Germany
| | - Berthold Göttgens
- Wellcome-MRC Cambridge Stem Cell Institute, Department of Haematology, Jeffrey Cheah Biomedical Centre, University of Cambridge, Cambridge, UK
| | - Rudolf Grosschedl
- Max Planck Institute of Immunobiology and Epigenetics, Freiburg, Germany
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31
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Svendsen AF, de Haan G. Is the philosopher's stone to rejuvenate blood stem cells an epigenetic regulator? NATURE AGING 2022; 2:980-981. [PMID: 37118087 DOI: 10.1038/s43587-022-00305-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/30/2023]
Affiliation(s)
- Arthur Flohr Svendsen
- Sanquin Research, Landsteiner Laboratory, Amsterdam, The Netherlands
- Cancer Center Amsterdam, Cancer Biology and Immunology, Amsterdam UMC, University of Amsterdam, Hematology, Amsterdam, The Netherlands
| | - Gerald de Haan
- Sanquin Research, Landsteiner Laboratory, Amsterdam, The Netherlands.
- Cancer Center Amsterdam, Cancer Biology and Immunology, Amsterdam UMC, University of Amsterdam, Hematology, Amsterdam, The Netherlands.
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32
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Cell-intrinsic factors governing quiescence vis-à-vis activation of adult hematopoietic stem cells. Mol Cell Biochem 2022; 478:1361-1382. [PMID: 36309884 DOI: 10.1007/s11010-022-04594-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Accepted: 10/13/2022] [Indexed: 10/31/2022]
Abstract
Hematopoiesis is a highly complex process, regulated by both intrinsic and extrinsic factors. Often, these two regulatory arms work in tandem to maintain the steady-state condition of hematopoiesis. However, at times, certain intrinsic attributes of hematopoietic stem cells (HSCs) override the external stimuli and dominate the outcome. These could be genetic events like mutations or environmentally induced epigenetic or transcriptomic changes. Since leukemic stem cells (LSCs) share molecular pathways that also regulate normal HSCs, identifying specific, dominantly acting intrinsic factors could help in the development of novel therapeutic approaches. Here we have reviewed such dominantly acting intrinsic factors governing quiescence vis-à-vis activation of the HSCs in the face of external forces acting on them. For brevity, we have restricted our review to the articles dealing with adult HSCs of human and mouse origin that have been published in the last 10 years. Hematopoietic stem cells (HSCs) are closely associated with various stromal cells in their microenvironment and, thus, constantly receive signaling cues from them. The illustration depicts some dominantly acting intrinsic or cell-autonomous factors operative in the HSCs. These fall into various categories, such as epigenetic regulators, transcription factors, cell cycle regulators, tumor suppressor genes, signaling pathways, and metabolic regulators, which counteract the outcome of extrinsic signaling exerted by the HSC niche.
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Si X, Gu T, Liu L, Huang Y, Han Y, Qian P, Huang H. Hematologic cytopenia post CAR T cell therapy: Etiology, potential mechanisms and perspective. Cancer Lett 2022; 550:215920. [PMID: 36122628 DOI: 10.1016/j.canlet.2022.215920] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 09/02/2022] [Accepted: 09/12/2022] [Indexed: 11/25/2022]
Abstract
Chimeric Antigen-Receptor (CAR) T-cell therapies have shown dramatic efficacy in treating relapsed and refractory cancers, especially B cell malignancies. However, these innovative therapies cause adverse toxicities that limit the broad application in clinical settings. Hematologic cytopenias, one frequently reported adverse event following CAR T cell treatment, are manifested as a disorder of hematopoiesis with decreased number of mature blood cells and subdivided into anemia, thrombocytopenia, leukopenia, and neutropenia, which increase the risk of infections, fatigue, bleeding, fever, and even fatality. Herein, we initially summarized the symptoms, etiology, risk factors and management of cytopenias. Further, we elaborated the cellular and molecular mechanisms underlying the initiation and progression of cytopenias following CAR T cell therapy based on previous studies about acquired cytopenias. Overall, this review will facilitate our understanding of the etiology of cytopenias and shed lights into developing new therapies against CAR T cell-induced cytopenias.
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Affiliation(s)
- Xiaohui Si
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China; Institute of Hematology, Zhejiang University, Hangzhou, China; Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
| | - Tianning Gu
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China; Institute of Hematology, Zhejiang University, Hangzhou, China; Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
| | - Lianxuan Liu
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China; Institute of Hematology, Zhejiang University, Hangzhou, China; Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
| | - Yue Huang
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China; Institute of Hematology, Zhejiang University, Hangzhou, China; Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
| | - Yingli Han
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China; Institute of Hematology, Zhejiang University, Hangzhou, China; Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
| | - Pengxu Qian
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China; Institute of Hematology, Zhejiang University, Hangzhou, China; Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China.
| | - He Huang
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China; Institute of Hematology, Zhejiang University, Hangzhou, China; Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China.
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Schleicher WE, Pietras EM. Reduced PU.1 Expression Collaborates with Tet2 Loss to Trigger Myeloid Leukemogenesis. Blood Cancer Discov 2022; 3:378-381. [PMID: 36065607 PMCID: PMC9445751 DOI: 10.1158/2643-3230.bcd-22-0100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The leukemic transformation of hematopoietic stem and progenitor cells in the setting of Tet2 deficiency is driven by PU.1 gene network loss through complementary reduction in PU.1 expression and hypermethylation of ETS loci at the enhancers of PU.1 target genes. See related article by Aivalioti et al., p. 444 (6).
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Affiliation(s)
- Wolfgang E. Schleicher
- Division of Hematology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Eric M. Pietras
- Division of Hematology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado
- Department of Microbiology and Immunology, University of Colorado Anschutz Medical Campus, Aurora, Colorado
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35
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Walking the Tightrope: Balancing Delicate Inflammation Response to Eradicate Acute Myeloid Leukemia. Cancer Discov 2022; 12:1617-1619. [DOI: 10.1158/2159-8290.cd-22-0473] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Summary:
Ellegast and colleagues show that monocytic acute myeloid leukemias (AML), enriched in inflammatory and immune gene sets, exploit a transcriptional repressor—namely, IRF2BP2—to mitigate their cell-intrinsic inflammatory output and ensure their maintenance. IRF2BP2 ablation results in heightened inflammatory signals that reach a set point that triggers apoptotic AML cell death in an NF-κB–IL1β–dependent manner. The study identifies IRF2BP2 as a cell-intrinsic vulnerability with potential therapeutic significance in monocytic AML.
See related article by Ellegast et al., p. 1760 (6).
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36
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Open-source personal pipetting robots with live-cell incubation and microscopy compatibility. Nat Commun 2022; 13:2999. [PMID: 35637179 PMCID: PMC9151679 DOI: 10.1038/s41467-022-30643-7] [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: 09/03/2021] [Accepted: 05/10/2022] [Indexed: 01/03/2023] Open
Abstract
AbstractLiquid handling robots have the potential to automate many procedures in life sciences. However, they are not in widespread use in academic settings, where funding, space and maintenance specialists are usually limiting. In addition, current robots require lengthy programming by specialists and are incompatible with most academic laboratories with constantly changing small-scale projects. Here, we present the Pipetting Helper Imaging Lid (PHIL), an inexpensive, small, open-source personal liquid handling robot. It is designed for inexperienced users, with self-production from cheap commercial and 3D-printable components and custom control software. PHIL successfully automates pipetting (incl. aspiration) for e.g. tissue immunostainings and stimulations of live stem and progenitor cells during time-lapse microscopy using 3D printed peristaltic pumps. PHIL is cheap enough to put a personal pipetting robot within the reach of most labs and enables users without programming skills to easily automate a large range of experiments.
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37
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Xuan J, Liu Y, Liu J, Zeng X, Wang H. New Insights into Hematopoietic Stem Cell Expansion to Stimulate Repopulation of the Adult Blood System for Transplantation. Life (Basel) 2022; 12:life12050716. [PMID: 35629383 PMCID: PMC9146250 DOI: 10.3390/life12050716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 05/06/2022] [Accepted: 05/10/2022] [Indexed: 11/16/2022] Open
Abstract
Successful engraftment of hematopoietic stem cells (HSCs) and progenitor cells (HSPCs) may be considered as a basis for the repopulation of the blood cells after transplantation in adults. Therefore, in vivo and ex vivo expansion of HSCs holds great promise for clinical applications. In this review, the mechanisms of HSC expansion will be discussed, considering the previous studies and works of literature. This is aimed to identify the signaling pathways that regulate HSC expansion and improve the application of engraftment in disease management. The following aspects will be included: (i) Stimulation of HSCs growth in vivo through gene regulation and cytokines activation; (ii) direct or indirect induction of HSC expansion by regulating signaling pathways; (iii) addition to assisting cells to help in the proliferation of HSCs; (iv) changing of living environment in the HSCs cultures via adjusting components and forms of cultures; (v) enhancement of HSC expansion by incorporating substances, such as extracellular vesicles (EVs), UM171, among others. In this review, recent new findings that provide us with new insights into HSC expansion methods have been summarized. Furthermore, these findings will also provide more possibilities for the development of some novel strategies for expanding and engrafting HSCs applied for treatments of some hematopoietic disorders.
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Affiliation(s)
- Jiangying Xuan
- School of Basic Medical Sciences, Nanchang University, Nanchang 330006, China; (J.X.); (Y.L.); (J.L.); (X.Z.)
- Queen Mary School, Nanchang University, Nanchang 330006, China
| | - Yingxia Liu
- School of Basic Medical Sciences, Nanchang University, Nanchang 330006, China; (J.X.); (Y.L.); (J.L.); (X.Z.)
| | - Jinhui Liu
- School of Basic Medical Sciences, Nanchang University, Nanchang 330006, China; (J.X.); (Y.L.); (J.L.); (X.Z.)
| | - Xiaoping Zeng
- School of Basic Medical Sciences, Nanchang University, Nanchang 330006, China; (J.X.); (Y.L.); (J.L.); (X.Z.)
| | - Hongmei Wang
- School of Basic Medical Sciences, Nanchang University, Nanchang 330006, China; (J.X.); (Y.L.); (J.L.); (X.Z.)
- Correspondence: ; Tel.: +86-137-6700-4966
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38
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Expansion of Quiescent Hematopoietic Stem Cells under Stress and Nonstress Conditions in Mice. Stem Cell Rev Rep 2022; 18:2388-2402. [DOI: 10.1007/s12015-022-10380-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/15/2022] [Indexed: 11/25/2022]
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39
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Trino S, Laurenzana I, Lamorte D, Calice G, De Stradis A, Santodirocco M, Sgambato A, Caivano A, De Luca L. Acute Myeloid Leukemia Cells Functionally Compromise Hematopoietic Stem/Progenitor Cells Inhibiting Normal Hematopoiesis Through the Release of Extracellular Vesicles. Front Oncol 2022; 12:824562. [PMID: 35371979 PMCID: PMC8965808 DOI: 10.3389/fonc.2022.824562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 02/17/2022] [Indexed: 12/02/2022] Open
Abstract
Acute myeloid leukemia (AML) is an aggressive and heterogeneous clonal disorder of hematopoietic stem/progenitor cells (HSPCs). It is not well known how leukemia cells alter hematopoiesis promoting tumor growth and leukemic niche formation. In this study, we investigated how AML deregulates the hematopoietic process of HSPCs through the release of extracellular vesicles (EVs). First, we found that AML cells released a heterogeneous population of EVs containing microRNAs involved in AML pathogenesis. Notably, AML-EVs were able to influence the fate of HSPCs modifying their transcriptome. In fact, gene expression profile of AML-EV-treated HSPCs identified 923 down- and 630 up-regulated genes involved in hematopoiesis/differentiation, inflammatory cytokine production and cell movement. Indeed, most of the down-regulated genes are targeted by AML-EV-derived miRNAs. Furthermore, we demonstrated that AML-EVs were able to affect HSPC phenotype, modifying several biological functions, such as inhibiting cell differentiation and clonogenicity, activating inflammatory cytokine production and compromising cell movement. Indeed, a redistribution of HSPC populations was observed in AML-EV treated cells with a significant increase in the frequency of common myeloid progenitors and a reduction in granulocyte-macrophage progenitors and megakaryocyte-erythroid progenitors. This effect was accompanied by a reduction in HSPC colony formation. AML-EV treatment of HSPCs increased the levels of CCL3, IL-1B and CSF2 cytokines, involved in the inflammatory process and in cell movement, and decreased CXCR4 expression associated with a reduction of SDF-1 mediated-migration. In conclusion, this study demonstrates the existence of a powerful communication between AML cells and HSPCs, mediated by EVs, which suppresses normal hematopoiesis and potentially contributes to create a leukemic niche favorable to neoplastic development.
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Affiliation(s)
- Stefania Trino
- Laboratory of Preclinical and Translational Research, Centro di Riferimento Oncologico della Basilicata (IRCCS-CROB), Rionero in Vulture, Italy
| | - Ilaria Laurenzana
- Laboratory of Preclinical and Translational Research, Centro di Riferimento Oncologico della Basilicata (IRCCS-CROB), Rionero in Vulture, Italy
| | - Daniela Lamorte
- Laboratory of Preclinical and Translational Research, Centro di Riferimento Oncologico della Basilicata (IRCCS-CROB), Rionero in Vulture, Italy
| | - Giovanni Calice
- Laboratory of Preclinical and Translational Research, Centro di Riferimento Oncologico della Basilicata (IRCCS-CROB), Rionero in Vulture, Italy
| | - Angelo De Stradis
- Institute for Sustainable Plant Protection, National Research Council (CNR), Bari, Italy
| | - Michele Santodirocco
- Trasfusional Medicine Department, Puglia Cord Blood Bank (CBB), Casa Sollievo Della Sofferenza Hospital, San Giovanni Rotondo, Italy
| | - Alessandro Sgambato
- Scientific Direction, Centro di Riferimento Oncologico della Basilicata (IRCCS-CROB), Rionero in Vulture, Italy
| | - Antonella Caivano
- Unit of Clinical Pathology, Centro di Riferimento Oncologico della Basilicata (IRCCS-CROB), Rionero in Vulture, Italy
| | - Luciana De Luca
- Unit of Clinical Pathology, Centro di Riferimento Oncologico della Basilicata (IRCCS-CROB), Rionero in Vulture, Italy
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40
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Chen Z, Guo Q, Song G, Hou Y. Molecular regulation of hematopoietic stem cell quiescence. Cell Mol Life Sci 2022; 79:218. [PMID: 35357574 PMCID: PMC11072845 DOI: 10.1007/s00018-022-04200-w] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 02/07/2022] [Accepted: 02/07/2022] [Indexed: 12/19/2022]
Abstract
Hematopoietic stem cells (HSCs) are primarily dormant in a cell-cycle quiescence state to preserve their self-renewal capacity and long-term maintenance, which is essential for the homeostasis of hematopoietic system. Dysregulation of quiescence causes HSC dysfunction and may result in aberrant hematopoiesis (e.g., myelodysplastic syndrome and bone marrow failure syndromes) and leukemia transformation. Accumulating evidence indicates that both intrinsic molecular networks and extrinsic signals regulate HSC quiescence, including cell-cycle regulators, transcription factors, epigenetic factors, and niche factors. Further, the transition between quiescence and activation of HSCs is a continuous developmental path driven by cell metabolism (e.g., protein synthesis, glycolysis, oxidative phosphorylation, and autophagy). Elucidating the complex regulatory networks of HSC quiescence will expand the knowledge of HSC hemostasis and benefit for clinical HSC use. Here, we review the current understanding and progression on the molecular and metabolic regulation of HSC quiescence, providing a more complete picture regarding the mechanisms of HSC quiescence maintenance.
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Affiliation(s)
- Zhe Chen
- Institute of Life Sciences, Chongqing Medical University, Chongqing, 400016, China
- Department of Hematology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Qian Guo
- Institute of Life Sciences, Chongqing Medical University, Chongqing, 400016, China
- Department of Hematology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Guanbin Song
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, 400044, China.
| | - Yu Hou
- Institute of Life Sciences, Chongqing Medical University, Chongqing, 400016, China.
- Department of Hematology, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China.
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41
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Chavez JS, Rabe JL, Hernandez G, Mills TS, Niño KE, Davizon-Castillo P, Pietras EM. PU.1 Expression Defines Distinct Functional Activities in the Phenotypic HSC Compartment of a Murine Inflammatory Stress Model. Cells 2022; 11:cells11040680. [PMID: 35203330 PMCID: PMC8870714 DOI: 10.3390/cells11040680] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 02/05/2022] [Accepted: 02/10/2022] [Indexed: 12/17/2022] Open
Abstract
The transcription factor PU.1 is a critical regulator of lineage fate in blood-forming hematopoietic stem cells (HSC). In response to pro-inflammatory signals, such as the cytokine IL-1β, PU.1 expression is increased in HSC and is associated with myeloid lineage expansion. To address potential functional heterogeneities arising in the phenotypic HSC compartment due to changes in PU.1 expression, here, we fractionated phenotypic HSC in mice using the SLAM surface marker code in conjunction with PU.1 expression levels, using the PU.1-EYFP reporter mouse strain. While PU.1lo SLAM cells contain extensive long-term repopulating activity and a molecular signature corresponding to HSC activity at steady state, following IL-1β treatment, HSCLT induce PU.1 expression and are replaced in the PU.1lo SLAM fraction by CD41+ HSC-like megakaryocytic progenitors (SL-MkP) with limited long-term engraftment capacity. On the other hand, the PU.1hi SLAM fraction exhibits extensive myeloid lineage priming and clonogenic activity and expands rapidly in response to IL-1β. Furthermore, we show that EPCR expression, but not CD150 expression, can distinguish HSCLT and SL-MkP under inflammatory conditions. Altogether, our data provide insights into the dynamic regulation of PU.1 and identify how PU.1 levels are linked to HSC fate in steady state and inflammatory stress conditions.
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Affiliation(s)
- James S. Chavez
- Division of Hematology, Anschutz Medical Campus, University of Colorado, Aurora, CO 80045, USA; (J.S.C.); (J.L.R.); (G.H.); (T.S.M.); (K.E.N.)
| | - Jennifer L. Rabe
- Division of Hematology, Anschutz Medical Campus, University of Colorado, Aurora, CO 80045, USA; (J.S.C.); (J.L.R.); (G.H.); (T.S.M.); (K.E.N.)
| | - Giovanny Hernandez
- Division of Hematology, Anschutz Medical Campus, University of Colorado, Aurora, CO 80045, USA; (J.S.C.); (J.L.R.); (G.H.); (T.S.M.); (K.E.N.)
| | - Taylor S. Mills
- Division of Hematology, Anschutz Medical Campus, University of Colorado, Aurora, CO 80045, USA; (J.S.C.); (J.L.R.); (G.H.); (T.S.M.); (K.E.N.)
| | - Katia E. Niño
- Division of Hematology, Anschutz Medical Campus, University of Colorado, Aurora, CO 80045, USA; (J.S.C.); (J.L.R.); (G.H.); (T.S.M.); (K.E.N.)
| | - Pavel Davizon-Castillo
- Department of Pediatrics, Anschutz Medical Campus, University of Colorado, Aurora, CO 80045, USA;
| | - Eric M. Pietras
- Division of Hematology, Anschutz Medical Campus, University of Colorado, Aurora, CO 80045, USA; (J.S.C.); (J.L.R.); (G.H.); (T.S.M.); (K.E.N.)
- Department of Immunology and Microbiology, Anschutz Medical Campus, University of Colorado, Aurora, CO 80045, USA
- Correspondence:
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42
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Ahmed N, Etzrodt M, Dettinger P, Kull T, Loeffler D, Hoppe PS, Chavez JS, Zhang Y, Camargo Ortega G, Hilsenbeck O, Nakajima H, Pietras EM, Schroeder T. Blood stem cell PU.1 upregulation is a consequence of differentiation without fast autoregulation. J Exp Med 2022; 219:e20202490. [PMID: 34817548 PMCID: PMC8624737 DOI: 10.1084/jem.20202490] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 05/07/2021] [Accepted: 09/23/2021] [Indexed: 11/12/2022] Open
Abstract
Transcription factors (TFs) regulate cell fates, and their expression must be tightly regulated. Autoregulation is assumed to regulate many TFs' own expression to control cell fates. Here, we manipulate and quantify the (auto)regulation of PU.1, a TF controlling hematopoietic stem and progenitor cells (HSPCs), and correlate it to their future fates. We generate transgenic mice allowing both inducible activation of PU.1 and noninvasive quantification of endogenous PU.1 protein expression. The quantified HSPC PU.1 dynamics show that PU.1 up-regulation occurs as a consequence of hematopoietic differentiation independently of direct fast autoregulation. In contrast, inflammatory signaling induces fast PU.1 up-regulation, which does not require PU.1 expression or its binding to its own autoregulatory enhancer. However, the increased PU.1 levels induced by inflammatory signaling cannot be sustained via autoregulation after removal of the signaling stimulus. We conclude that PU.1 overexpression induces HSC differentiation before PU.1 up-regulation, only later generating cell types with intrinsically higher PU.1.
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Affiliation(s)
- Nouraiz Ahmed
- Department of Biosystems Science & Engineering, Eidgenössische Technische Hochschule Zürich, Basel, Switzerland
| | - Martin Etzrodt
- Department of Biosystems Science & Engineering, Eidgenössische Technische Hochschule Zürich, Basel, Switzerland
| | - Philip Dettinger
- Department of Biosystems Science & Engineering, Eidgenössische Technische Hochschule Zürich, Basel, Switzerland
| | - Tobias Kull
- Department of Biosystems Science & Engineering, Eidgenössische Technische Hochschule Zürich, Basel, Switzerland
| | - Dirk Loeffler
- Department of Biosystems Science & Engineering, Eidgenössische Technische Hochschule Zürich, Basel, Switzerland
| | - Philipp S. Hoppe
- Department of Biosystems Science & Engineering, Eidgenössische Technische Hochschule Zürich, Basel, Switzerland
| | - James S. Chavez
- Division of Hematology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO
| | - Yang Zhang
- Department of Biosystems Science & Engineering, Eidgenössische Technische Hochschule Zürich, Basel, Switzerland
| | - Germán Camargo Ortega
- Department of Biosystems Science & Engineering, Eidgenössische Technische Hochschule Zürich, Basel, Switzerland
| | - Oliver Hilsenbeck
- Department of Biosystems Science & Engineering, Eidgenössische Technische Hochschule Zürich, Basel, Switzerland
| | - Hideaki Nakajima
- Department of Stem Cell and Immune Regulation, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Eric M. Pietras
- Division of Hematology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO
| | - Timm Schroeder
- Department of Biosystems Science & Engineering, Eidgenössische Technische Hochschule Zürich, Basel, Switzerland
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43
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Camacho V, Kuznetsova V, Welner RS. Inflammatory Cytokines Shape an Altered Immune Response During Myeloid Malignancies. Front Immunol 2021; 12:772408. [PMID: 34804065 PMCID: PMC8595317 DOI: 10.3389/fimmu.2021.772408] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Accepted: 10/19/2021] [Indexed: 12/14/2022] Open
Abstract
The immune microenvironment is a critical driver and regulator of leukemic progression and hematological disease. Recent investigations have demonstrated that multiple immune components play a central role in regulating hematopoiesis, and dysfunction at the immune cell level significantly contributes to neoplastic disease. Immune cells are acutely sensitive to remodeling by leukemic inflammatory cytokine exposure. Importantly, immune cells are the principal cytokine producers in the hematopoietic system, representing an untapped frontier for clinical interventions. Due to a proinflammatory cytokine environment, dysregulation of immune cell states is a hallmark of hematological disease and neoplasia. Malignant immune adaptations have profound effects on leukemic blast proliferation, disease propagation, and drug-resistance. Conversely, targeting the immune landscape to restore hematopoietic function and limit leukemic expansion may have significant therapeutic value. Despite the fundamental role of the immune microenvironment during the initiation, progression, and treatment response of hematological disease, a detailed examination of how leukemic cytokines alter immune cells to permit, promote, or inhibit leukemia growth is lacking. Here we outline an immune-based model of leukemic transformation and highlight how the profound effect of immune alterations on the trajectory of malignancy. The focus of this review is to summarize current knowledge about the impacts of pro- and anti-inflammatory cytokines on immune cells subsets, their modes of action, and immunotherapeutic approaches with the potential to improve clinical outcomes for patients suffering from hematological myeloid malignancies.
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Affiliation(s)
- Virginia Camacho
- Department of Medicine, Division of Hematology/Oncology, O'Neal Comprehensive Cancer Center at the University of Alabama at Birmingham, Birmingham, AL, United States
| | - Valeriya Kuznetsova
- Department of Medicine, Division of Hematology/Oncology, O'Neal Comprehensive Cancer Center at the University of Alabama at Birmingham, Birmingham, AL, United States
| | - Robert S Welner
- Department of Medicine, Division of Hematology/Oncology, O'Neal Comprehensive Cancer Center at the University of Alabama at Birmingham, Birmingham, AL, United States
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44
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Howard JE, Smith JNP, Fredman G, MacNamara KC. IL-18R-mediated HSC quiescence and MLKL-dependent cell death limit hematopoiesis during infection-induced shock. Stem Cell Reports 2021; 16:2887-2899. [PMID: 34798063 PMCID: PMC8693653 DOI: 10.1016/j.stemcr.2021.10.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 10/19/2021] [Accepted: 10/19/2021] [Indexed: 12/22/2022] Open
Abstract
Severe infection can dramatically alter blood production, but the mechanisms driving hematopoietic stem and progenitor cell (HSC/HSPC) loss have not been clearly defined. Using Ixodes ovatus Ehrlichia (IOE), a tick-borne pathogen that causes severe shock-like illness and bone marrow (BM) aplasia, type I and II interferons (IFNs) promoted loss of HSPCs via increased cell death and enforced quiescence. IFN-αβ were required for increased interleukin 18 (IL-18) expression during infection, correlating with ST-HSC loss. IL-18 deficiency prevented BM aplasia and increased HSC/HSPCs. IL-18R signaling was intrinsically required for ST-HSC quiescence, but not for HSPC cell death. To elucidate cell death mechanisms, MLKL- or gasdermin D-deficient mice were infected; whereas Mlkl−/− mice exhibited protected HSC/HSPCs, no such protection was observed in Gsdmd−/− mice during infection. MLKL deficiency intrinsically protected HSCs during infection and improved hematopoietic output upon recovery. These studies define MLKL and IL-18R signaling in HSC loss and suppressed hematopoietic function in shock-like infection. Type I and II IFNs regulate expression of IL-18 and IL-18R in shock-like infection IL-18 production contributes to HSC/HSPC loss during shock-like infection IL-18R signaling in ST-HSCs promotes infection-induced quiescence MLKL-deficient HSCs are protected during infection
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Affiliation(s)
- Jennifer E Howard
- The Department of Immunology and Infectious Disease, Albany Medical College, MC-151 47 New Scotland Avenue, Albany, NY 12208, USA
| | - Julianne N P Smith
- The Department of Immunology and Infectious Disease, Albany Medical College, MC-151 47 New Scotland Avenue, Albany, NY 12208, USA
| | - Gabrielle Fredman
- The Department of Molecular and Cellular Physiology, Albany Medical College, Albany, NY 12208, USA
| | - Katherine C MacNamara
- The Department of Immunology and Infectious Disease, Albany Medical College, MC-151 47 New Scotland Avenue, Albany, NY 12208, USA.
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45
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Yang D, de Haan G. Inflammation and Aging of Hematopoietic Stem Cells in Their Niche. Cells 2021; 10:1849. [PMID: 34440618 PMCID: PMC8391820 DOI: 10.3390/cells10081849] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 07/15/2021] [Accepted: 07/16/2021] [Indexed: 12/30/2022] Open
Abstract
Hematopoietic stem cells (HSCs) sustain the lifelong production of all blood cell lineages. The functioning of aged HSCs is impaired, including a declined repopulation capacity and myeloid and platelet-restricted differentiation. Both cell-intrinsic and microenvironmental extrinsic factors contribute to HSC aging. Recent studies highlight the emerging role of inflammation in contributing to HSC aging. In this review, we summarize the recent finding of age-associated changes of HSCs and the bone marrow niche in which they lodge, and discuss how inflammation may drive HSC aging.
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Affiliation(s)
- Daozheng Yang
- European Research Institute for the Biology of Ageing (ERIBA), University Medical Center Groningen, University of Groningen, 9713 AV Groningen, The Netherlands;
| | - Gerald de Haan
- European Research Institute for the Biology of Ageing (ERIBA), University Medical Center Groningen, University of Groningen, 9713 AV Groningen, The Netherlands;
- Sanquin Research, Landsteiner Laboratory, Amsterdam UMC, 1006 AD Amsterdam, The Netherlands
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46
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Contreras Castillo S, Montibus B, Rocha A, Duke W, von Meyenn F, McLornan D, Harrison C, Mullally A, Schulz R, Oakey RJ. Hydroxycarbamide effects on DNA methylation and gene expression in myeloproliferative neoplasms. Genome Res 2021; 31:1381-1394. [PMID: 34244229 PMCID: PMC8327916 DOI: 10.1101/gr.270066.120] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Accepted: 06/25/2021] [Indexed: 12/15/2022]
Abstract
Hydroxycarbamide (HC, hydroxyurea) is a cytoreductive drug inducing cell cycle blockade. However, emerging evidence suggests that HC plays a role in the modulation of transcription through the activity of transcription factors and DNA methylation. Examining the global mechanism of action of HC in the context of myeloproliferative neoplasms (MPNs), for which HC is the first-line treatment, will provide a better understanding of its molecular effects. To explore the effects of HC genome-wide, transcriptomic analyses were performed on two clinically relevant cell types at different stages of differentiation treated with HC in a murine MPN model. This study was replicated in MPN patients by profiling genome-wide gene expression and DNA methylation using patient blood samples collected longitudinally, before and following HC exposure. The effects of HC on the transcriptome were not only associated with cell cycle interruption but also with hematopoietic functions. Moreover, a group of genes were restored to normal expression levels in murine hematopoietic stem cells (HSCs) following drug treatment, including the master regulator of hematopoiesis, RUNX1. In humans, HC significantly modifies DNA methylation levels in HSCs at several distal regulatory regions, which we show to be associated with SPI1 binding sites and at the SPI1 locus itself. We have identified novel targets of HC that include pivotal transcription factors involved in hematopoiesis, and for the first time we report abnormal methylation patterns in MPN patients at the master regulator gene SPI1 and its distal binding sites, which HC is able to restore to normal levels.
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Affiliation(s)
- Stephania Contreras Castillo
- Department of Medical and Molecular Genetics, King's College London, Guy's Hospital, London, SE1 9RT, United Kingdom
| | - Bertille Montibus
- Department of Medical and Molecular Genetics, King's College London, Guy's Hospital, London, SE1 9RT, United Kingdom
| | - Azucena Rocha
- Division of Hematology, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
| | - Will Duke
- Division of Hematology, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
| | - Ferdinand von Meyenn
- Department of Medical and Molecular Genetics, King's College London, Guy's Hospital, London, SE1 9RT, United Kingdom
| | - Donal McLornan
- Department of Hematology, Guy's and St Thomas' NHS Foundation Trust, London, SE1 9RT, United Kingdom
| | - Claire Harrison
- Department of Hematology, Guy's and St Thomas' NHS Foundation Trust, London, SE1 9RT, United Kingdom
| | - Ann Mullally
- Division of Hematology, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
| | - Reiner Schulz
- Department of Medical and Molecular Genetics, King's College London, Guy's Hospital, London, SE1 9RT, United Kingdom
| | - Rebecca J Oakey
- Department of Medical and Molecular Genetics, King's College London, Guy's Hospital, London, SE1 9RT, United Kingdom
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47
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Caiado F, Pietras EM, Manz MG. Inflammation as a regulator of hematopoietic stem cell function in disease, aging, and clonal selection. J Exp Med 2021; 218:212381. [PMID: 34129016 PMCID: PMC8210622 DOI: 10.1084/jem.20201541] [Citation(s) in RCA: 103] [Impact Index Per Article: 34.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 05/19/2021] [Accepted: 05/19/2021] [Indexed: 12/17/2022] Open
Abstract
Inflammation is an evolutionarily selected defense response to infection or tissue damage that involves activation and consumption of immune cells in order to reestablish and maintain organismal integrity. In this process, hematopoietic stem cells (HSCs) are themselves exposed to inflammatory cues and via proliferation and differentiation, replace mature immune cells in a demand-adapted fashion. Here, we review how major sources of systemic inflammation act on and subsequently shape HSC fate and function. We highlight how lifelong inflammatory exposure contributes to HSC inflamm-aging and selection of premalignant HSC clones. Finally, we explore emerging areas of interest and open questions remaining in the field.
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Affiliation(s)
- Francisco Caiado
- Department of Medical Oncology and Hematology, University Hospital Zürich, Zürich, Switzerland.,University of Zürich, Comprehensive Cancer Center Zürich, Zürich, Switzerland
| | - Eric M Pietras
- Division of Hematology, University of Colorado Anschutz Medical Campus, Aurora, CO
| | - Markus G Manz
- Department of Medical Oncology and Hematology, University Hospital Zürich, Zürich, Switzerland.,University of Zürich, Comprehensive Cancer Center Zürich, Zürich, Switzerland
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48
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Bousounis P, Bergo V, Trompouki E. Inflammation, Aging and Hematopoiesis: A Complex Relationship. Cells 2021; 10:1386. [PMID: 34199874 PMCID: PMC8227236 DOI: 10.3390/cells10061386] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 05/30/2021] [Accepted: 06/01/2021] [Indexed: 02/07/2023] Open
Abstract
All vertebrate blood cells descend from multipotent hematopoietic stem cells (HSCs), whose activity and differentiation depend on a complex and incompletely understood relationship with inflammatory signals. Although homeostatic levels of inflammatory signaling play an intricate role in HSC maintenance, activation, proliferation, and differentiation, acute or chronic exposure to inflammation can have deleterious effects on HSC function and self-renewal capacity, and bias their differentiation program. Increased levels of inflammatory signaling are observed during aging, affecting HSCs either directly or indirectly via the bone marrow niche and contributing to their loss of self-renewal capacity, diminished overall functionality, and myeloid differentiation skewing. These changes can have significant pathological consequences. Here, we provide an overview of the current literature on the complex interplay between HSCs and inflammatory signaling, and how this relationship contributes to age-related phenotypes. Understanding the mechanisms and outcomes of this interaction during different life stages will have significant implications in the modulation and restoration of the hematopoietic system in human disease, recovery from cancer and chemotherapeutic treatments, stem cell transplantation, and aging.
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Affiliation(s)
- Pavlos Bousounis
- Department of Cellular and Molecular Immunology, Max Planck Institute of Immunobiology and Epigenetics, 79108 Freiburg, Germany; (P.B.); (V.B.)
- Faculty of Biology, University of Freiburg, 79104 Freiburg, Germany
| | - Veronica Bergo
- Department of Cellular and Molecular Immunology, Max Planck Institute of Immunobiology and Epigenetics, 79108 Freiburg, Germany; (P.B.); (V.B.)
- Faculty of Biology, University of Freiburg, 79104 Freiburg, Germany
- International Max Planck Research School for Immunobiology, Epigenetics and Metabolism (IMPRS-IEM), 79108 Freiburg, Germany
| | - Eirini Trompouki
- Department of Cellular and Molecular Immunology, Max Planck Institute of Immunobiology and Epigenetics, 79108 Freiburg, Germany; (P.B.); (V.B.)
- Centre for Integrative Biological Signaling Studies (CIBSS), University of Freiburg, 79104 Freiburg, Germany
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49
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Higa KC, Goodspeed A, Chavez JS, De Dominici M, Danis E, Zaberezhnyy V, Rabe JL, Tenen DG, Pietras EM, DeGregori J. Chronic interleukin-1 exposure triggers selection for Cebpa-knockout multipotent hematopoietic progenitors. J Exp Med 2021; 218:212039. [PMID: 33914855 PMCID: PMC8094119 DOI: 10.1084/jem.20200560] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 02/11/2021] [Accepted: 03/24/2021] [Indexed: 12/14/2022] Open
Abstract
The early events that drive myeloid oncogenesis are not well understood. Most studies focus on the cell-intrinsic genetic changes and how they impact cell fate decisions. We consider how chronic exposure to the proinflammatory cytokine, interleukin-1β (IL-1β), impacts Cebpa-knockout hematopoietic stem and progenitor cells (HSPCs) in competitive settings. Surprisingly, we found that Cebpa loss did not confer a hematopoietic cell–intrinsic competitive advantage; rather chronic IL-1β exposure engendered potent selection for Cebpa loss. Chronic IL-1β augments myeloid lineage output by activating differentiation and repressing stem cell gene expression programs in a Cebpa-dependent manner. As a result, Cebpa-knockout HSPCs are resistant to the prodifferentiative effects of chronic IL-1β, and competitively expand. We further show that ectopic CEBPA expression reduces the fitness of established human acute myeloid leukemias, coinciding with increased differentiation. These findings have important implications for the earliest events that drive hematologic disorders, suggesting that chronic inflammation could be an important driver of leukemogenesis and a potential target for intervention.
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Affiliation(s)
- Kelly C Higa
- Department of Biochemistry and Molecular Genetics, University of Colorado Anschutz Medical Campus, Aurora, CO.,Integrated Department of Immunology, University of Colorado Anschutz Medical Campus, Aurora, CO.,Medical Scientist Training Program, University of Colorado Anschutz Medical Campus, Aurora, CO
| | - Andrew Goodspeed
- Department of Pharmacology, University of Colorado Anschutz Medical Campus, Aurora, CO.,University of Colorado Comprehensive Cancer Center, University of Colorado Anschutz Medical Campus, Aurora, CO
| | - James S Chavez
- Division of Hematology, University of Colorado Anschutz Medical Campus, Aurora, CO
| | - Marco De Dominici
- Department of Biochemistry and Molecular Genetics, University of Colorado Anschutz Medical Campus, Aurora, CO
| | - Etienne Danis
- Department of Pharmacology, University of Colorado Anschutz Medical Campus, Aurora, CO.,University of Colorado Comprehensive Cancer Center, University of Colorado Anschutz Medical Campus, Aurora, CO
| | - Vadym Zaberezhnyy
- Department of Biochemistry and Molecular Genetics, University of Colorado Anschutz Medical Campus, Aurora, CO
| | - Jennifer L Rabe
- Division of Hematology, University of Colorado Anschutz Medical Campus, Aurora, CO
| | - Daniel G Tenen
- Cancer Science Institute, National University of Singapore, Singapore.,Harvard Stem Cell Institute, Harvard Medical School, Boston, MA
| | - Eric M Pietras
- Integrated Department of Immunology, University of Colorado Anschutz Medical Campus, Aurora, CO.,University of Colorado Comprehensive Cancer Center, University of Colorado Anschutz Medical Campus, Aurora, CO.,Division of Hematology, University of Colorado Anschutz Medical Campus, Aurora, CO
| | - James DeGregori
- Department of Biochemistry and Molecular Genetics, University of Colorado Anschutz Medical Campus, Aurora, CO.,Integrated Department of Immunology, University of Colorado Anschutz Medical Campus, Aurora, CO.,University of Colorado Comprehensive Cancer Center, University of Colorado Anschutz Medical Campus, Aurora, CO.,Division of Hematology, University of Colorado Anschutz Medical Campus, Aurora, CO
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