1
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Niibori-Nambu A, Wang CQ, Chin DWL, Chooi JY, Hosoi H, Sonoki T, Tham CY, Nah GSS, Cirovic B, Tan DQ, Takizawa H, Sashida G, Goh Y, Tng J, Fam WN, Fullwood MJ, Suda T, Yang H, Tergaonkar V, Taniuchi I, Li S, Chng WJ, Osato M. Integrin-α9 overexpression underlies the niche-independent maintenance of leukemia stem cells in acute myeloid leukemia. Gene 2024; 928:148761. [PMID: 39002785 DOI: 10.1016/j.gene.2024.148761] [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: 04/13/2024] [Revised: 06/16/2024] [Accepted: 07/10/2024] [Indexed: 07/15/2024]
Abstract
Leukemia stem cells (LSCs) are widely believed to reside in well-characterized bone marrow (BM) niches; however, the capacity of the BM niches to accommodate LSCs is insufficient, and a significant proportion of LSCs are instead maintained in regions outside the BM. The molecular basis for this niche-independent behavior of LSCs remains elusive. Here, we show that integrin-α9 overexpression (ITGA9 OE) plays a pivotal role in the extramedullary maintenance of LSCs by molecularly mimicking the niche-interacting status, through the binding with its soluble ligand, osteopontin (OPN). Retroviral insertional mutagenesis conducted on leukemia-prone Runx-deficient mice identified Itga9 OE as a novel leukemogenic event. Itga9 OE activates Akt and p38MAPK signaling pathways. The elevated Myc expression subsequently enhances ribosomal biogenesis to overcome the cell integrity defect caused by the preexisting Runx alteration. The Itga9-Myc axis, originally discovered in mice, was further confirmed in multiple human acute myeloid leukemia (AML) subtypes, other than RUNX leukemias. In addition, ITGA9 was shown to be a functional LSC marker of the best prognostic value among 14 known LSC markers tested. Notably, the binding of ITGA9 with soluble OPN, a known negative regulator against HSC activation, induced LSC dormancy, while the disruption of ITGA9-soluble OPN interaction caused rapid cell propagation. These findings suggest that the ITGA9 OE increases both actively proliferating leukemia cells and dormant LSCs in a well-balanced manner, thereby maintaining LSCs. The ITGA9 OE would serve as a novel therapeutic target in AML.
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Affiliation(s)
- Akiko Niibori-Nambu
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore; Department of Tumor Genetics and Biology, Graduate School of Medical Sciences, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
| | - Chelsia Qiuxia Wang
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore; Bioprocessing Technology Institute (BTI), Agency for Science, Technology and Research (A*STAR), Singapore, Singapore; Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR), Singapore, Republic of Singapore
| | - Desmond Wai Loon Chin
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Jing Yuan Chooi
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Hiroki Hosoi
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore; Department of Hematology/Oncology, Wakayama Medical University, Wakayama, Japan
| | - Takashi Sonoki
- Department of Hematology/Oncology, Wakayama Medical University, Wakayama, Japan
| | - Cheng-Yong Tham
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Giselle Sek Suan Nah
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Branko Cirovic
- Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR), Singapore, Republic of Singapore
| | - Darren Qiancheng Tan
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Hitoshi Takizawa
- International Research Center for Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Goro Sashida
- International Research Center for Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Yufen Goh
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Jiaqi Tng
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Wee Nih Fam
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore; School of Biological Sciences, Nanyang Technological University, Singapore, Singapore
| | - Melissa Jane Fullwood
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore; School of Biological Sciences, Nanyang Technological University, Singapore, Singapore
| | - Toshio Suda
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore; International Research Center for Medical Sciences, Kumamoto University, Kumamoto, Japan; Institute of Hematology, Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Henry Yang
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Vinay Tergaonkar
- Laboratory of NFκB Signalling, Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR), Singapore, Republic of Singapore
| | - Ichiro Taniuchi
- Laboratory for Transcriptional Regulation, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
| | - Shang Li
- Cancer and Stem Cell Biology Program, Duke-NUS Medical School, Singapore, Singapore
| | - Wee Joo Chng
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore; National University Cancer Institute, Singapore; National University Health System, Singapore.
| | - Motomi Osato
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore; International Research Center for Medical Sciences, Kumamoto University, Kumamoto, Japan; Department of General Internal Medicine, Kumamoto Kenhoku Hospital, Kumamoto, Japan.
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2
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Shu X, Xie Y, Shu M, Ou X, Yang J, Wu Z, Zhang X, Zhang J, Zeng H, Shao L. Acute effects of TLR3 agonist Poly(I:C) on bone marrow hematopoietic progenitor cells in mice. Immunol Lett 2024; 270:106927. [PMID: 39265918 DOI: 10.1016/j.imlet.2024.106927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 08/20/2024] [Accepted: 09/09/2024] [Indexed: 09/14/2024]
Abstract
Hematopoietic progenitor cells (HPCs) in bone marrow with limited abilities for self-renewal and differentiation continuously supply hematopoietic cells through life. When suffering infection or inflammation, HPCs will actively proliferate to provide differentiated hematopoietic cells to maintain hematopoietic homeostasis. Poly(I:C), an agonist of TLR3, can specifically activate Type I interferon (IFN-I) signaling which exerts anti-inflammatory effects and influence hematopoiesis after infection. However, the effects of Poly(I:C)-induced IFN-I on the bone marrow hematopoietic system still deserve attention. In this study, our results revealed the efficacy of the IFN-I model, with a remarkably decrease in HPCs and a sharp elevation in LSKs numbers after single dose of Poly(I:C) injection. Apoptotic ratios of HPCs and LSKs significantly increased 48 h after Poly(I:C) treatment. Application of Poly(I:C) prompted the transition of HPCs and LSKs from G0 to G1 phases, potentially leading to the accelerated exhaustion of HPCs. From the cobblestone area-forming cell (CAFC) assay, we speculate that Poly(I:C) impairs the differentiation capacity of HPCs as well as their colony-forming ability. RT-qPCR and immunohistochemistry revealed significant upregulation of IFN-I associated genes and proteins following Poly(I:C) treatment. In conclusion, a single dose of Poly(I:C) induced an acute detrimental effect on HPCs within 48 h potentially due to TLR3 engagement. This activation cascaded into a robust IFN-I response emanating from the bone marrow, underscoring the intricate immunological dynamics at play following Poly(I:C) intervention.
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Affiliation(s)
- Xin Shu
- Jiangxi Provincial Key Laboratory of Disease Prevention and Public Health, Nanchang University, China; School of Public Health, Jiangxi Medical College, Nanchang University, China
| | - Yuxuan Xie
- Jiangxi Provincial Key Laboratory of Disease Prevention and Public Health, Nanchang University, China; School of Public Health, Jiangxi Medical College, Nanchang University, China
| | - Manling Shu
- Jiangxi Provincial Key Laboratory of Disease Prevention and Public Health, Nanchang University, China; School of Public Health, Jiangxi Medical College, Nanchang University, China
| | - Xiangying Ou
- Jiangxi Provincial Key Laboratory of Disease Prevention and Public Health, Nanchang University, China; School of Public Health, Jiangxi Medical College, Nanchang University, China
| | - Juan Yang
- Jiangxi Provincial Key Laboratory of Disease Prevention and Public Health, Nanchang University, China; School of Public Health, Jiangxi Medical College, Nanchang University, China
| | - Zhenyu Wu
- Jiangxi Provincial Key Laboratory of Disease Prevention and Public Health, Nanchang University, China; School of Public Health, Jiangxi Medical College, Nanchang University, China
| | - Xuan Zhang
- Jiangxi Provincial Key Laboratory of Disease Prevention and Public Health, Nanchang University, China; School of Public Health, Jiangxi Medical College, Nanchang University, China
| | - Jinfu Zhang
- Jiangxi Provincial Key Laboratory of Disease Prevention and Public Health, Nanchang University, China; School of Public Health, Jiangxi Medical College, Nanchang University, China
| | - Huihong Zeng
- Department of Histology and Embryology, School of Basic Medical Sciences, Jiangxi Medical College, Nanchang University, China; Basic Medical Experiment Center, School of Basic Medical Sciences, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, 330006, China.
| | - Lijian Shao
- Jiangxi Provincial Key Laboratory of Disease Prevention and Public Health, Nanchang University, China; School of Public Health, Jiangxi Medical College, Nanchang University, China.
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3
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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 PMCID: PMC11423277 DOI: 10.1016/j.celrep.2024.114542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [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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4
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Denner A, Steger J, Ries A, Morozova-Link E, Ritter J, Haas F, Cole AG, Technau U. Nanos2 marks precursors of somatic lineages and is required for germline formation in the sea anemone Nematostella vectensis. SCIENCE ADVANCES 2024; 10:eado0424. [PMID: 39151009 PMCID: PMC11328910 DOI: 10.1126/sciadv.ado0424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2024] [Accepted: 07/10/2024] [Indexed: 08/18/2024]
Abstract
In animals, stem cell populations of varying potency facilitate regeneration and tissue homeostasis. Notably, germline stem cells in both vertebrates and invertebrates express highly conserved RNA binding proteins, such as nanos, vasa, and piwi. In highly regenerative animals, these genes are also expressed in somatic stem cells, which led to the proposal that they had an ancestral role in all stem cells. In cnidarians, multi- and pluripotent interstitial stem cells have only been identified in hydrozoans. Therefore, it is currently unclear if cnidarian stem cell systems share a common evolutionary origin. We, therefore, aimed to characterize conserved stem cell marker genes in the sea anemone Nematostella vectensis. Through transgenic reporter genes and single-cell transcriptomics, we identify cell populations expressing the germline-associated markers piwi1 and nanos2 in the soma and germline, and gene knockout shows that Nanos2 is indispensable for germline formation. This suggests that nanos and piwi genes have a conserved role in somatic and germline stem cells in cnidarians.
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Affiliation(s)
- Andreas Denner
- Department of Neurosciences and Developmental Biology, Faculty of Life Sciences, University of Vienna, Djerassiplatz 1, 1030 Vienna, Austria
| | - Julia Steger
- Department of Neurosciences and Developmental Biology, Faculty of Life Sciences, University of Vienna, Djerassiplatz 1, 1030 Vienna, Austria
| | - Alexander Ries
- Department of Neurosciences and Developmental Biology, Faculty of Life Sciences, University of Vienna, Djerassiplatz 1, 1030 Vienna, Austria
| | - Elizaveta Morozova-Link
- Department of Neurosciences and Developmental Biology, Faculty of Life Sciences, University of Vienna, Djerassiplatz 1, 1030 Vienna, Austria
| | - Josefine Ritter
- Department of Neurosciences and Developmental Biology, Faculty of Life Sciences, University of Vienna, Djerassiplatz 1, 1030 Vienna, Austria
| | - Franziska Haas
- Department of Neurosciences and Developmental Biology, Faculty of Life Sciences, University of Vienna, Djerassiplatz 1, 1030 Vienna, Austria
| | - Alison G Cole
- Department of Neurosciences and Developmental Biology, Faculty of Life Sciences, University of Vienna, Djerassiplatz 1, 1030 Vienna, Austria
| | - Ulrich Technau
- Department of Neurosciences and Developmental Biology, Faculty of Life Sciences, University of Vienna, Djerassiplatz 1, 1030 Vienna, Austria
- Research platform SINCEREST, University of Vienna, Djerassiplatz 1, 1030 Vienna, Austria
- Max Perutz labs, University of Vienna, Dr. Bohrgasse 7, 1030 Vienna, Austria
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5
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Bouchla A, Sotiropoulou CD, Esteb C, Loupis T, Papageorgiou SG, Deliconstantinos GG, Pagoni M, Hatzimichael E, Dellatola M, Kalomoiri S, Apostolidou E, Kontos CK, Thomopoulos TP, Karantanos T, Pappa V. Silencing of the DNA damage repair regulator PPP1R15A sensitizes acute myeloid leukemia cells to chemotherapy. Ann Hematol 2024; 103:2853-2863. [PMID: 38842564 PMCID: PMC11283411 DOI: 10.1007/s00277-024-05785-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: 01/23/2024] [Accepted: 04/30/2024] [Indexed: 06/07/2024]
Abstract
Acute Myeloid Leukemia (AML) is a life-threatening disease whose induction treatment consists of combination chemotherapy with Idarubicin and Cytarabine for fit patients. Treatment failures are frequent, urging the need for novel treatments for this disease. The DNA Damage Response Mechanism (DDR) comprises numerous molecules and pathways intended to arrest the cell cycle until DNA damage is repaired or else drive the cell to apoptosis. AML-derived cell lines after treatment with Idarubicin and Cytarabine were used for studying the expression profile of 84 DDR genes, through PCR arrays. Utilizing de novo AML patient and control samples we studied the expression of PPP1R15A, CDKN1A, GADD45A, GADD45G, and EXO1. Next, we performed PPP1R15A silencing in AML cell lines in two separate experiments using siRNA and CRISPR-cas9, respectively. Our findings highlight that DDR regulators demonstrate increased expression in patients with high cytogenetic risk possibly reflecting increased genotoxic stress. Especially, PPP1R15A is mainly involved in the recovery of the cells from stress and it was the only DDR gene upregulated in AML patients. The PPP1R15A silencing resulted in decreased viability of Idarubicin and Cytarabine-treated cell lines, in contrast to untreated cells. These findings shed light on new strategies to enhance chemotherapy efficacy and demonstrate that PPP1R15A is an important DDR regulator in AML and its downregulation might be a safe and effective way to increase sensitivity to chemotherapy in this disease.
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Affiliation(s)
- Anthi Bouchla
- Second Department of Internal Medicine and Research Institute, National and Kapodistrian University of Athens, Athens, Greece
| | - Christina D Sotiropoulou
- Department of Biochemistry and Molecular Biology, Faculty of Biology, National and Kapodistrian University of Athens, Athens, Greece
| | - Christopher Esteb
- Hematologic Malignancies Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University, Baltimore, MD, USA
| | - Theodoros Loupis
- Hematology Research Lab, Clinical, Experimental and Translational Research Center, Biomedical Research Foundation, Academy of Athens, Athens, Greece
| | - Sotirios G Papageorgiou
- Second Department of Internal Medicine and Research Institute, National and Kapodistrian University of Athens, Athens, Greece
| | - Georgia G Deliconstantinos
- Second Department of Internal Medicine and Research Institute, National and Kapodistrian University of Athens, Athens, Greece
| | - Maria Pagoni
- Hematology-Lymphomas Department and BMT Unit, Evangelismos General Hospital, Athens, Greece
| | | | - Maria Dellatola
- Hematology-Lymphomas Department and BMT Unit, Evangelismos General Hospital, Athens, Greece
| | - Smaragdi Kalomoiri
- Hematology-Lymphomas Department and BMT Unit, Evangelismos General Hospital, Athens, Greece
| | | | - Christos K Kontos
- Department of Biochemistry and Molecular Biology, Faculty of Biology, National and Kapodistrian University of Athens, Athens, Greece
| | - Thomas P Thomopoulos
- Second Department of Internal Medicine and Research Institute, National and Kapodistrian University of Athens, Athens, Greece
| | - Theodoros Karantanos
- Hematologic Malignancies Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University, Baltimore, MD, USA
| | - Vasiliki Pappa
- Second Department of Internal Medicine and Research Institute, National and Kapodistrian University of Athens, Athens, Greece.
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6
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Pedre B. A guide to genetically-encoded redox biosensors: State of the art and opportunities. Arch Biochem Biophys 2024; 758:110067. [PMID: 38908743 DOI: 10.1016/j.abb.2024.110067] [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: 05/13/2024] [Revised: 06/18/2024] [Accepted: 06/19/2024] [Indexed: 06/24/2024]
Abstract
Genetically-encoded redox biosensors have become invaluable tools for monitoring cellular redox processes with high spatiotemporal resolution, coupling the presence of the redox-active analyte with a change in fluorescence signal that can be easily recorded. This review summarizes the available fluorescence recording methods and presents an in-depth classification of the redox biosensors, organized by the analytes they respond to. In addition to the fluorescent protein-based architectures, this review also describes the recent advances on fluorescent, chemigenetic-based redox biosensors and other emerging chemigenetic strategies. This review examines how these biosensors are designed, the biosensors sensing mechanism, and their practical advantages and disadvantages.
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Affiliation(s)
- Brandán Pedre
- Biochemistry, Molecular and Structural Biology Unit, Department of Chemistry, KU Leuven, Belgium.
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7
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Kushinsky S, Puccetti MV, Adams CM, Shkundina I, James N, Mahon BM, Michener P, Eischen CM. DNA fork remodeling proteins, Zranb3 and Smarcal1, are uniquely essential for aging hematopoiesis. Aging Cell 2024:e14281. [PMID: 39044358 DOI: 10.1111/acel.14281] [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: 03/28/2024] [Revised: 06/25/2024] [Accepted: 07/01/2024] [Indexed: 07/25/2024] Open
Abstract
Over a lifetime, hematopoietic stem and progenitor cells (HSPCs) are forced to repeatedly proliferate to maintain hematopoiesis, increasing their susceptibility to DNA damaging replication stress. However, the proteins that mitigate this stress, protect HSPC replication, and prevent aging-driven dysregulation are unknown. We report two evolutionarily conserved, ubiquitously expressed chromatin remodeling enzymes with similar DNA replication fork reversal biochemical functions, Zranb3 and Smarcal1, have surprisingly specialized roles in distinct HSPC populations. While both proteins actively mitigate replication stress and prevent DNA damage and breaks during lifelong hematopoiesis, the loss of either resulted in distinct biochemical and biological consequences. Notably, defective long-term HSC function, revealed with bone marrow transplantation, caused hematopoiesis abnormalities in young mice lacking Zranb3. Aging significantly worsened these hematopoiesis defects in Zranb3-deficient mice, including accelerating the onset of myeloid-biased hematopoietic dysregulation to early in life. Such Zranb3-deficient HSPC abnormalities with age were driven by accumulated DNA damage and replication stress. Conversely, Smarcal1 loss primarily negatively affected progenitor cell functions that were exacerbated with aging, resulting in a lymphoid bias. Simultaneous loss of both Zranb3 and Smarcal1 compounded HSPC defects. Additionally, HSPC DNA replication fork dynamics had unanticipated HSPC type and age plasticity that depended on the stress and Zranb3 and/or Smarcal1. Our data reveal both Zranb3 and Smarcal1 have essential HSPC cell intrinsic functions in lifelong hematopoiesis that protect HSPCs from replication stress and DNA damage in unexpected, unique ways.
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Affiliation(s)
- Saul Kushinsky
- Department of Pharmacology, Physiology, and Cancer Biology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Matthew V Puccetti
- Department of Pharmacology, Physiology, and Cancer Biology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
- Department of Neurology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Clare M Adams
- Department of Pharmacology, Physiology, and Cancer Biology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Irina Shkundina
- Department of Pharmacology, Physiology, and Cancer Biology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Nikkole James
- Department of Pharmacology, Physiology, and Cancer Biology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Brittany M Mahon
- Department of Pharmacology, Physiology, and Cancer Biology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Peter Michener
- Department of Pharmacology, Physiology, and Cancer Biology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Christine M Eischen
- Department of Pharmacology, Physiology, and Cancer Biology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
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8
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Garyn CM, Bover O, Murray JW, Ma J, Salas-Briceno K, Ross SR, Snoeck HW. G2 arrest primes hematopoietic stem cells for megakaryopoiesis. Cell Rep 2024; 43:114388. [PMID: 38935497 PMCID: PMC11330628 DOI: 10.1016/j.celrep.2024.114388] [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: 10/12/2023] [Revised: 04/22/2024] [Accepted: 06/06/2024] [Indexed: 06/29/2024] Open
Abstract
In contrast to most hematopoietic lineages, megakaryocytes (MKs) can derive rapidly and directly from hematopoietic stem cells (HSCs). The underlying mechanism is unclear, however. Here, we show that DNA damage induces MK markers in HSCs and that G2 arrest, an integral part of the DNA damage response, suffices for MK priming followed by irreversible MK differentiation in HSCs, but not in progenitors. We also show that replication stress causes DNA damage in HSCs and is at least in part due to uracil misincorporation in vitro and in vivo. Consistent with this notion, thymidine attenuated DNA damage, improved HSC maintenance, and reduced the generation of CD41+ MK-committed HSCs. Replication stress and concomitant MK differentiation is therefore one of the barriers to HSC maintenance. DNA damage-induced MK priming may allow rapid generation of a lineage essential to immediate organismal survival, while also removing damaged cells from the HSC pool.
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Affiliation(s)
- Corey M Garyn
- Columbia Center for Human Development/Center for Stem Cell Therapies, Columbia University Vagelos College of Physicians and Surgeons, New York, NY 10032, USA; Department of Medicine, Columbia University Vagelos College of Physicians and Surgeons, New York, NY 10032, USA; Department of Genetics and Development, Columbia University Vagelos College of Physicians and Surgeons, New York, NY 10032, USA
| | - Oriol Bover
- Columbia Center for Human Development/Center for Stem Cell Therapies, Columbia University Vagelos College of Physicians and Surgeons, New York, NY 10032, USA; Department of Medicine, Columbia University Vagelos College of Physicians and Surgeons, New York, NY 10032, USA
| | - John W Murray
- Columbia Center for Human Development/Center for Stem Cell Therapies, Columbia University Vagelos College of Physicians and Surgeons, New York, NY 10032, USA; Department of Medicine, Columbia University Vagelos College of Physicians and Surgeons, New York, NY 10032, USA
| | - Jing Ma
- Department of Microbiology and Immunology, University of Illinois at Chicago College of Medicine, Chicago, IL 60612, USA
| | - Karen Salas-Briceno
- Department of Microbiology and Immunology, University of Illinois at Chicago College of Medicine, Chicago, IL 60612, USA
| | - Susan R Ross
- Department of Microbiology and Immunology, University of Illinois at Chicago College of Medicine, Chicago, IL 60612, USA
| | - Hans-Willem Snoeck
- Columbia Center for Human Development/Center for Stem Cell Therapies, Columbia University Vagelos College of Physicians and Surgeons, New York, NY 10032, USA; Department of Medicine, Columbia University Vagelos College of Physicians and Surgeons, New York, NY 10032, USA; Department of Microbiology and Immunology, Columbia University Vagelos College of Physicians and Surgeons, New York, NY 10032, USA.
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9
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Rogers JH, Rosen A, Reyes JM, Ketkar S, Conneely SE, Gupta R, Yang L, Miller MB, Medrano G, Aguilar R, Uchenda N, Goodell MA, Rau RE. Dose-dependent effects of Dnmt3a in an inducible murine model of Kras G12D-driven leukemia. Exp Hematol 2024; 135:104248. [PMID: 38834136 PMCID: PMC11288274 DOI: 10.1016/j.exphem.2024.104248] [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: 03/04/2024] [Revised: 05/23/2024] [Accepted: 05/27/2024] [Indexed: 06/06/2024]
Abstract
DNMT3A mutations are frequently found in clonal hematopoiesis and a variety of hematologic malignancies, including acute myeloid leukemia. An assortment of mouse models have been engineered to explore the tumorigenic potential and malignant lineage bias due to loss of function of DNMT3A in consort with commonly comutated genes in myeloid malignancies, such as Flt3, Nras, Kras, and c-Kit. We employed several tamoxifen-inducible Cre-ERT2 murine model systems to study the effects of constitutively active KrasG12D-driven myeloid leukemia (Kras) development together with heterozygous (3aHet) or homozygous Dnmt3a deletion (3aKO). Due to the rapid generation of diverse nonhematologic tumors appearing after tamoxifen induction, we employed a transplantation model. With pretransplant tamoxifen induction, most Kras mice died quickly of T-cell malignancies regardless of Dnmt3a status. Using posttransplant induction, we observed a dose-dependent effect of DNMT3A depletion that skewed the leukemic phenotype toward a myeloid lineage. Specifically, 64% of 3aKO/Kras mice had exclusively myeloid disease compared with 36% of 3aHet/Kras and only 13% of Kras mice. Here, 3aKO combined with Kras led to increased disease burden, multiorgan infiltration, and faster disease progression. DOT1L inhibition exerted profound antileukemic effects in malignant 3aKO/Kras cells, but not malignant cells with Kras mutation alone, consistent with the known sensitivity of DNMT3A-mutant leukemia to DOT1L inhibition. RNAseq from malignant myeloid cells revealed that biallelic Dnmt3a deletion was associated with loss of cell-cycle regulation, MYC activation, and TNF⍺ signaling. Overall, we developed a robust model system for mechanistic and preclinical investigations of acute myeloid leukemia with DNMT3A and Ras-pathway lesions.
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Affiliation(s)
- Jason H Rogers
- Department of Pediatrics, Baylor College of Medicine and Texas Children's Hospital, Houston, TX; Center for Cell and Gene Therapy, Baylor College of Medicine, Houston, TX; Dan L. Duncan Comprehensive Cancer Center, Baylor College of Medicine, Houston, TX
| | - Allison Rosen
- Dan L. Duncan Comprehensive Cancer Center, Baylor College of Medicine, Houston, TX
| | - Jaime M Reyes
- Center for Cell and Gene Therapy, Baylor College of Medicine, Houston, TX; Stem Cells and Regenerative Medicine Center, Baylor College of Medicine, Houston, TX; Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX; Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX
| | - Shamika Ketkar
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX; Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX
| | - Shannon E Conneely
- Department of Pediatrics, Baylor College of Medicine and Texas Children's Hospital, Houston, TX; Center for Cell and Gene Therapy, Baylor College of Medicine, Houston, TX; Stem Cells and Regenerative Medicine Center, Baylor College of Medicine, Houston, TX
| | - Rohit Gupta
- Department of Pediatrics, Baylor College of Medicine and Texas Children's Hospital, Houston, TX; Department of Medicine, Baylor College of Medicine, Houston, TX
| | - Luibin Yang
- Department of Medicine, Baylor College of Medicine, Houston, TX
| | - Matthew B Miller
- Department of Pediatrics, Baylor College of Medicine and Texas Children's Hospital, Houston, TX
| | - Geraldo Medrano
- Department of Pediatrics, Baylor College of Medicine and Texas Children's Hospital, Houston, TX
| | - Rogelio Aguilar
- Department of Pediatrics, Baylor College of Medicine and Texas Children's Hospital, Houston, TX
| | - Nneka Uchenda
- Department of Pediatrics, Baylor College of Medicine and Texas Children's Hospital, Houston, TX
| | - Margaret A Goodell
- Department of Pediatrics, Baylor College of Medicine and Texas Children's Hospital, Houston, TX; Center for Cell and Gene Therapy, Baylor College of Medicine, Houston, TX; Stem Cells and Regenerative Medicine Center, Baylor College of Medicine, Houston, TX; Dan L. Duncan Comprehensive Cancer Center, Baylor College of Medicine, Houston, TX; Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX; Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX
| | - Rachel E Rau
- Department of Pediatrics, Baylor College of Medicine and Texas Children's Hospital, Houston, TX; Center for Cell and Gene Therapy, Baylor College of Medicine, Houston, TX; Stem Cells and Regenerative Medicine Center, Baylor College of Medicine, Houston, TX; Dan L. Duncan Comprehensive Cancer Center, Baylor College of Medicine, Houston, TX; Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX; Department of Pediatrics and the Ben Towne Center for Childhood Cancer Research, Seattle Children's Hospital, University of Washington, Seattle, WA..
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10
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Cappelli E, Ravera S, Bertola N, Grilli F, Squillario M, Regis S, Degan P. Advanced Analysis and Validation of a microRNA Signature for Fanconi Anemia. Genes (Basel) 2024; 15:820. [PMID: 39062599 PMCID: PMC11276059 DOI: 10.3390/genes15070820] [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: 05/17/2024] [Revised: 06/17/2024] [Accepted: 06/18/2024] [Indexed: 07/28/2024] Open
Abstract
Some years ago, we reported the generation of a Fanconi anemia (FA) microRNA signature. This study aims to develop an analytical strategy to select a smaller and more reliable set of molecules that could be tested for potential benefits for the FA phenotype, elucidate its biochemical and molecular mechanisms, address experimental activity, and evaluate its possible impact on FA therapy. In silico analyses of the data obtained in the original study were thoroughly processed and anenrichment analysis was employed to identify the classes of genes that are over-represented in the FA-miRNA population under study. Primary bone marrow mononuclear cells (MNCs) from sixFA patients and sixhealthy donors as control samples were employed in the study. RNAs containing the small RNA fractions were reverse-transcribed and real-time PCR was performed in triplicate using the specific primers. Experiments were performed in triplicate.The in-silico analysis reported six miRNAs as likely contributors to the complex pathological spectrum of FA. Among these, three miRNAs were validated by real-time PCR. Primary bone marrow mononuclear cells (MNCs) reported a significant reduction in the expression level of miRNA-1246 and miRNA-206 in the FA samples in comparison to controls.This study highlights several biochemical pathways as culprits in the phenotypic manifestations and the pathophysiological mechanisms acting in FA. A relatively low number of miRNAs appear involved in all these different phenotypes, demonstrating the extreme plasticity of the gene expression modulation. This study further highlights miR-206 as a pivotal player in regulatory functions and signaling in the bone marrow mesenchymal stem cell (BMSC) process in FA. Due to this evidence, the activity of miR-206 in FA deserves specific experimental scrutiny. The results, here presented, might be relevant in the management of FA.
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Affiliation(s)
- Enrico Cappelli
- Haematology Unit, IRCCS Istituto Giannina Gaslini, Via Gerolamo Gaslini 5, 16148 Genova, Italy;
| | - Silvia Ravera
- Department of Experimental Medicine, University of Genoa, Via De Toni 14, 16132 Genova, Italy;
| | - Nadia Bertola
- Molecular Pathology Unit, IRCCS Ospedale Policlinico San Martino, L. go R. Benzi 10, 16132 Genoa, Italy;
| | - Federica Grilli
- Haematology Unit, IRCCS Istituto Giannina Gaslini, Via Gerolamo Gaslini 5, 16148 Genova, Italy;
| | | | - Stefano Regis
- Laboratory of Clinical and Experimental Immunology, IRCCS Istituto Giannina Gaslini, Via Gerolamo Gaslini 5, 16148 Genova, Italy;
| | - Paolo Degan
- Mutagenesi e Prevenzione Oncologica Unit—IRCCS Ospedale Policlinico San Martino, L. go R. Benzi 10, 16132 Genoa, Italy;
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11
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Usart M, Stetka J, Luque Paz D, Hansen N, Kimmerlin Q, Almeida Fonseca T, Lock M, Kubovcakova L, Karjalainen R, Hao-Shen H, Börsch A, El Taher A, Schulz J, Leroux JC, Dirnhofer S, Skoda RC. Loss of Dnmt3a increases self-renewal and resistance to pegIFN-α in JAK2-V617F-positive myeloproliferative neoplasms. Blood 2024; 143:2490-2503. [PMID: 38493481 PMCID: PMC11208296 DOI: 10.1182/blood.2023020270] [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: 03/06/2023] [Revised: 02/23/2024] [Accepted: 02/26/2024] [Indexed: 03/19/2024] Open
Abstract
ABSTRACT Pegylated interferon alfa (pegIFN-α) can induce molecular remissions in patients with JAK2-V617F-positive myeloproliferative neoplasms (MPNs) by targeting long-term hematopoietic stem cells (LT-HSCs). Additional somatic mutations in genes regulating LT-HSC self-renewal, such as DNMT3A, have been reported to have poorer responses to pegIFN-α. We investigated whether DNMT3A loss leads to alterations in JAK2-V617F LT-HSC functions conferring resistance to pegIFN-α treatment in a mouse model of MPN and in hematopoietic progenitors from patients with MPN. Long-term treatment with pegIFN-α normalized blood parameters and reduced splenomegaly and JAK2-V617F chimerism in single-mutant JAK2-V617F (VF) mice. However, pegIFN-α in VF;Dnmt3aΔ/Δ (VF;DmΔ/Δ) mice worsened splenomegaly and failed to reduce JAK2-V617F chimerism. Furthermore, LT-HSCs from VF;DmΔ/Δ mice compared with VF were less prone to accumulate DNA damage and exit dormancy upon pegIFN-α treatment. RNA sequencing showed that IFN-α induced stronger upregulation of inflammatory pathways in LT-HSCs from VF;DmΔ/Δ than from VF mice, indicating that the resistance of VF;DmΔ/Δ LT-HSC was not due to failure in IFN-α signaling. Transplantations of bone marrow from pegIFN-α-treated VF;DmΔ/Δ mice gave rise to more aggressive disease in secondary and tertiary recipients. Liquid cultures of hematopoietic progenitors from patients with MPN with JAK2-V617F and DNMT3A mutation showed increased percentages of JAK2-V617F-positive colonies upon IFN-α exposure, whereas in patients with JAK2-V617F alone, the percentages of JAK2-V617F-positive colonies decreased or remained unchanged. PegIFN-α combined with 5-azacytidine only partially overcame resistance in VF;DmΔ/Δ mice. However, this combination strongly decreased the JAK2-mutant allele burden in mice carrying VF mutation only, showing potential to inflict substantial damage preferentially to the JAK2-mutant clone.
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Affiliation(s)
- Marc Usart
- Department of Biomedicine, Experimental Hematology, University Hospital Basel and University of Basel, Basel, Switzerland
| | - Jan Stetka
- Department of Biomedicine, Experimental Hematology, University Hospital Basel and University of Basel, Basel, Switzerland
- Department of Biology, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
| | - Damien Luque Paz
- University of Angers, Nantes Université, Centre Hospitalier Universitaire Angers, INSERM, Centre National de la Recherche Scientifique, Centre de Recherche en Cancérologie et Immunologie Intégrée Nantes Angers, Angers, France
| | - Nils Hansen
- Department of Biomedicine, Experimental Hematology, University Hospital Basel and University of Basel, Basel, Switzerland
| | - Quentin Kimmerlin
- Department of Biomedicine, Experimental Hematology, University Hospital Basel and University of Basel, Basel, Switzerland
| | - Tiago Almeida Fonseca
- Department of Biomedicine, Experimental Hematology, University Hospital Basel and University of Basel, Basel, Switzerland
| | - Melissa Lock
- Department of Biomedicine, Experimental Hematology, University Hospital Basel and University of Basel, Basel, Switzerland
| | - Lucia Kubovcakova
- Department of Biomedicine, Experimental Hematology, University Hospital Basel and University of Basel, Basel, Switzerland
| | - Riikka Karjalainen
- Department of Biomedicine, Experimental Hematology, University Hospital Basel and University of Basel, Basel, Switzerland
| | - Hui Hao-Shen
- Department of Biomedicine, Experimental Hematology, University Hospital Basel and University of Basel, Basel, Switzerland
| | - Anastasiya Börsch
- Department of Biomedicine, Bioinformatics, University of Basel and University Hospital Basel, Basel, Switzerland
- Swiss Institute of Bioinformatics, Basel, Switzerland
| | - Athimed El Taher
- Department of Biomedicine, Bioinformatics, University of Basel and University Hospital Basel, Basel, Switzerland
- Swiss Institute of Bioinformatics, Basel, Switzerland
| | - Jessica Schulz
- Institute of Pharmaceutical Sciences, ETH Zurich, Zurich, Switzerland
| | | | - Stefan Dirnhofer
- Institute of Medical Genetics and Pathology, University Hospital Basel, Basel, Switzerland
| | - Radek C. Skoda
- Department of Biomedicine, Experimental Hematology, University Hospital Basel and University of Basel, Basel, Switzerland
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12
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Yamada Y, Zheng Z, Jad AK, Yamashita M. Lethal and sublethal effects of programmed cell death pathways on hematopoietic stem cells. Exp Hematol 2024; 134:104214. [PMID: 38582294 DOI: 10.1016/j.exphem.2024.104214] [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: 01/31/2024] [Revised: 03/26/2024] [Accepted: 04/01/2024] [Indexed: 04/08/2024]
Abstract
Programmed cell death is an evolutionally conserved cellular process in multicellular organisms that eliminates unnecessary or rogue cells during development, infection, and carcinogenesis. Hematopoietic stem cells (HSCs) are a rare, self-renewing, and multipotent cell population necessary for the establishment and regeneration of the hematopoietic system. Counterintuitively, key components necessary for programmed cell death induction are abundantly expressed in long-lived HSCs, which often survive myeloablative stress by engaging a prosurvival response that counteracts cell death-inducing stimuli. Although HSCs are well known for their apoptosis resistance, recent studies have revealed their unique vulnerability to certain types of programmed necrosis, such as necroptosis and ferroptosis. Moreover, emerging evidence has shown that programmed cell death pathways can be sublethally activated to cause nonlethal consequences such as innate immune response, organelle dysfunction, and mutagenesis. In this review, we summarized recent findings on how divergent cell death programs are molecularly regulated in HSCs. We then discussed potential side effects caused by sublethal activation of programmed cell death pathways on the functionality of surviving HSCs.
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Affiliation(s)
- Yuta Yamada
- Division of Stem Cell and Molecular Medicine, Centre for Stem Cell Biology and Regenerative Medicine, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Zhiqian Zheng
- Division of Stem Cell and Molecular Medicine, Centre for Stem Cell Biology and Regenerative Medicine, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan; Division of Experimental Hematology, Department of Hematology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Alaa K Jad
- Division of Stem Cell and Molecular Medicine, Centre for Stem Cell Biology and Regenerative Medicine, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Masayuki Yamashita
- Division of Stem Cell and Molecular Medicine, Centre for Stem Cell Biology and Regenerative Medicine, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan; Division of Experimental Hematology, Department of Hematology, St. Jude Children's Research Hospital, Memphis, TN, USA.
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13
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Kwok M, Agathanggelou A, Stankovic T. DNA damage response defects in hematologic malignancies: mechanistic insights and therapeutic strategies. Blood 2024; 143:2123-2144. [PMID: 38457665 DOI: 10.1182/blood.2023019963] [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: 07/18/2023] [Revised: 02/15/2024] [Accepted: 02/29/2024] [Indexed: 03/10/2024] Open
Abstract
ABSTRACT The DNA damage response (DDR) encompasses the detection and repair of DNA lesions and is fundamental to the maintenance of genome integrity. Germ line DDR alterations underlie hereditary chromosome instability syndromes by promoting the acquisition of pathogenic structural variants in hematopoietic cells, resulting in increased predisposition to hematologic malignancies. Also frequent in hematologic malignancies are somatic mutations of DDR genes, typically arising from replication stress triggered by oncogene activation or deregulated tumor proliferation that provides a selective pressure for DDR loss. These defects impair homology-directed DNA repair or replication stress response, leading to an excessive reliance on error-prone DNA repair mechanisms that results in genomic instability and tumor progression. In hematologic malignancies, loss-of-function DDR alterations confer clonal growth advantage and adverse prognostic impact but may also provide therapeutic opportunities. Selective targeting of functional dependencies arising from these defects could achieve synthetic lethality, a therapeutic concept exemplified by inhibition of poly-(adenosine 5'-diphosphate ribose) polymerase or the ataxia telangiectasia and Rad 3 related-CHK1-WEE1 axis in malignancies harboring the BRCAness phenotype or genetic defects that increase replication stress. Furthermore, the role of DDR defects as a source of tumor immunogenicity, as well as their impact on the cross talk between DDR, inflammation, and tumor immunity are increasingly recognized, thus providing rationale for combining DDR modulation with immune modulation. The nature of the DDR-immune interface and the cellular vulnerabilities conferred by DDR defects may nonetheless be disease-specific and remain incompletely understood in many hematologic malignancies. Their comprehensive elucidation will be critical for optimizing therapeutic strategies to target DDR defects in these diseases.
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Affiliation(s)
- Marwan Kwok
- Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, United Kingdom
- Centre for Clinical Haematology, Queen Elizabeth Hospital Birmingham, Birmingham, United Kingdom
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA
- Harvard Medical School, Boston, MA
- Broad Institute of the Massachusetts Institute of Technology and Harvard, Cambridge, MA
| | - Angelo Agathanggelou
- Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Tatjana Stankovic
- Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, United Kingdom
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14
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Herr LM, Schaffer ED, Fuchs KF, Datta A, Brosh RM. Replication stress as a driver of cellular senescence and aging. Commun Biol 2024; 7:616. [PMID: 38777831 PMCID: PMC11111458 DOI: 10.1038/s42003-024-06263-w] [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: 12/13/2023] [Accepted: 04/29/2024] [Indexed: 05/25/2024] Open
Abstract
Replication stress refers to slowing or stalling of replication fork progression during DNA synthesis that disrupts faithful copying of the genome. While long considered a nexus for DNA damage, the role of replication stress in aging is under-appreciated. The consequential role of replication stress in promotion of organismal aging phenotypes is evidenced by an extensive list of hereditary accelerated aging disorders marked by molecular defects in factors that promote replication fork progression and operate uniquely in the replication stress response. Additionally, recent studies have revealed cellular pathways and phenotypes elicited by replication stress that align with designated hallmarks of aging. Here we review recent advances demonstrating the role of replication stress as an ultimate driver of cellular senescence and aging. We discuss clinical implications of the intriguing links between cellular senescence and aging including application of senotherapeutic approaches in the context of replication stress.
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Affiliation(s)
- Lauren M Herr
- Helicases and Genomic Integrity Section, Translational Gerontology Branch, National Institute on Aging, National Institutes of Health, Baltimore, MD, USA
| | - Ethan D Schaffer
- Helicases and Genomic Integrity Section, Translational Gerontology Branch, National Institute on Aging, National Institutes of Health, Baltimore, MD, USA
| | - Kathleen F Fuchs
- Helicases and Genomic Integrity Section, Translational Gerontology Branch, National Institute on Aging, National Institutes of Health, Baltimore, MD, USA
| | - Arindam Datta
- Helicases and Genomic Integrity Section, Translational Gerontology Branch, National Institute on Aging, National Institutes of Health, Baltimore, MD, USA.
- Department of Cancer Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
| | - Robert M Brosh
- Helicases and Genomic Integrity Section, Translational Gerontology Branch, National Institute on Aging, National Institutes of Health, Baltimore, MD, USA.
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15
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Filia A, Mitroulis I, Loukogiannaki C, Grigoriou M, Banos A, Sentis G, Giannouli S, Karali V, Athanasiadis E, Kokkinopoulos I, Boumpas DT. Single-cell transcriptomic analysis of hematopoietic progenitor cells from patients with systemic lupus erythematosus reveals interferon-inducible reprogramming in early progenitors. Front Immunol 2024; 15:1383358. [PMID: 38779657 PMCID: PMC11109438 DOI: 10.3389/fimmu.2024.1383358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Accepted: 04/18/2024] [Indexed: 05/25/2024] Open
Abstract
Introduction Immune cells that contribute to the pathogenesis of systemic lupus erythematosus (SLE) derive from adult hematopoietic stem and progenitor cells (HSPCs) within the bone marrow (BM). For this reason, we reasoned that fundamental abnormalities in SLE can be traced to a BM-derived HSPC inflammatory signature. Methods BM samples from four SLE patients, six healthy controls, and two umbilical cord blood (CB) samples were used. CD34+ cells were isolated from BM and CB samples, and single-cell RNA-sequencing was performed. Results A total of 426 cells and 24,473 genes were used in the analysis. Clustering analysis resulted in seven distinct clusters of cell types. Mutually exclusive markers, which were characteristic of each cell type, were identified. We identified three HSPC subpopulations, one of which consisted of proliferating cells (MKI67 expressing cells), one T-like, one B-like, and two myeloid-like progenitor subpopulations. Differential expression analysis revealed i) cell cycle-associated signatures, in healthy BM of HSPC clusters 3 and 4 when compared with CB, and ii) interferon (IFN) signatures in SLE BM of HSPC clusters 3 and 4 and myeloid-like progenitor cluster 5 when compared with healthy controls. The IFN signature in SLE appeared to be deregulated following TF regulatory network analysis and differential alternative splicing analysis between SLE and healthy controls in HSPC subpopulations. Discussion This study revealed both quantitative-as evidenced by decreased numbers of non-proliferating early progenitors-and qualitative differences-characterized by an IFN signature in SLE, which is known to drive loss of function and depletion of HSPCs. Chronic IFN exposure affects early hematopoietic progenitors in SLE, which may account for the immune aberrancies and the cytopenias in SLE.
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Affiliation(s)
- Anastasia Filia
- Laboratory of Autoimmunity and Inflammation, Center of Clinical, Experimental Surgery and Translational Research, Biomedical Research Foundation Academy of Athens, Athens, Greece
| | - Ioannis Mitroulis
- 1st Department of Internal Medicine, University Hospital of Alexandroupolis, Democritus University of Thrace, Alexandroupolis, Greece
| | - Catherine Loukogiannaki
- Laboratory of Autoimmunity and Inflammation, Center of Clinical, Experimental Surgery and Translational Research, Biomedical Research Foundation Academy of Athens, Athens, Greece
| | - Maria Grigoriou
- Laboratory of Autoimmunity and Inflammation, Center of Clinical, Experimental Surgery and Translational Research, Biomedical Research Foundation Academy of Athens, Athens, Greece
- 1st Department of Internal Medicine, University Hospital of Alexandroupolis, Democritus University of Thrace, Alexandroupolis, Greece
| | - Aggelos Banos
- Laboratory of Autoimmunity and Inflammation, Center of Clinical, Experimental Surgery and Translational Research, Biomedical Research Foundation Academy of Athens, Athens, Greece
| | - George Sentis
- Laboratory of Autoimmunity and Inflammation, Center of Clinical, Experimental Surgery and Translational Research, Biomedical Research Foundation Academy of Athens, Athens, Greece
| | - Stavroula Giannouli
- 2nd Department of Internal Medicine, Ippokrateion Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Vassiliki Karali
- 4th Department of Internal Medicine, Attikon University Hospital, National and Kapodistrian University of Athens Medical School, Athens, Greece
| | - Emmanouil Athanasiadis
- Medical Image and Signal Processing Laboratory, Department of Biomedical Engineering, University of West Attica, Athens, Greece
| | - Ioannis Kokkinopoulos
- Laboratory of Autoimmunity and Inflammation, Center of Clinical, Experimental Surgery and Translational Research, Biomedical Research Foundation Academy of Athens, Athens, Greece
| | - Dimitrios T. Boumpas
- Laboratory of Autoimmunity and Inflammation, Center of Clinical, Experimental Surgery and Translational Research, Biomedical Research Foundation Academy of Athens, Athens, Greece
- 4th Department of Internal Medicine, Attikon University Hospital, National and Kapodistrian University of Athens Medical School, Athens, Greece
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16
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Patel B, Zhou Y, Babcock RL, Ma F, Zal MA, Kumar D, Medik YB, Kahn LM, Pineda JE, Park EM, Schneider SM, Tang X, Raso MG, Jeter CR, Zal T, Clise-Dwyer K, Keyomarsi K, Giancotti FG, Colla S, Watowich SS. STAT3 protects hematopoietic stem cells by preventing activation of a deleterious autocrine type-I interferon response. Leukemia 2024; 38:1143-1155. [PMID: 38467768 PMCID: PMC11283865 DOI: 10.1038/s41375-024-02218-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 02/28/2024] [Accepted: 03/01/2024] [Indexed: 03/13/2024]
Abstract
Hematopoietic stem and progenitor cells (HSPCs) maintain blood-forming and immune activity, yet intrinsic regulators of HSPCs remain elusive. STAT3 function in HSPCs has been difficult to dissect as Stat3-deficiency in the hematopoietic compartment induces systemic inflammation, which can impact HSPC activity. Here, we developed mixed bone marrow (BM) chimeric mice with inducible Stat3 deletion in 20% of the hematopoietic compartment to avoid systemic inflammation. Stat3-deficient HSPCs were significantly impaired in reconstitution ability following primary or secondary bone marrow transplantation, indicating hematopoietic stem cell (HSC) defects. Single-cell RNA sequencing of Lin-ckit+Sca1+ BM cells (LSKs) revealed aberrant activation of cell cycle, p53, and interferon (IFN) pathways in Stat3-deficient HSPCs. Stat3-deficient LSKs accumulated γH2AX and showed increased expression of DNA sensors and type-I IFN (IFN-I), while treatment with A151-ODN inhibited expression of IFN-I and IFN-responsive genes. Further, the blockade of IFN-I receptor signaling suppressed aberrant cell cycling, STAT1 activation, and nuclear p53 accumulation. Collectively, our results show that STAT3 inhibits a deleterious autocrine IFN response in HSCs to maintain long-term HSC function. These data signify the importance of ensuring therapeutic STAT3 inhibitors are targeted specifically to diseased cells to avoid off-target loss of healthy HSPCs.
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Affiliation(s)
- Bhakti Patel
- Department of Immunology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Yifan Zhou
- Department of Immunology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Rachel L Babcock
- Department of Immunology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, Houston, TX, USA
| | - Feiyang Ma
- Molecular Biology Institute, University of California, Los Angeles, Los Angeles, CA, USA
- Division of Rheumatology, Department of Internal Medicine, Michigan Medicine, University of Michigan, Ann Arbor, MI, USA
| | - M Anna Zal
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Dhiraj Kumar
- Herbert Irving Cancer Center and Department of Genetics and Development, Columbia University, New York, NY, USA
| | - Yusra B Medik
- Department of Immunology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Laura M Kahn
- Department of Immunology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, Houston, TX, USA
| | - Josué E Pineda
- Department of Immunology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, Houston, TX, USA
| | - Elizabeth M Park
- Department of Immunology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Sarah M Schneider
- Department of Immunology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, Houston, TX, USA
| | - Ximing Tang
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Maria Gabriela Raso
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Collene R Jeter
- Department of Epigenetics and Molecular Carcinogenesis, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Tomasz Zal
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Karen Clise-Dwyer
- Department of Stem Cell Transplantation and Hematopoietic Biology and Malignancy, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Khandan Keyomarsi
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Filippo G Giancotti
- Herbert Irving Cancer Center and Department of Genetics and Development, Columbia University, New York, NY, USA
| | - Simona Colla
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Stephanie S Watowich
- Department of Immunology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
- MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, Houston, TX, USA.
- Program for Innovative Microbiome and Translational Research (PRIME-TR), The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
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17
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Liu S, Joshi K, Zhang L, Li W, Mack R, Runde A, Hagen PA, Barton K, Breslin P, Ji HL, Kini AR, Wang Z, Zhang J. Caspase 8 deletion causes infection/inflammation-induced bone marrow failure and MDS-like disease in mice. Cell Death Dis 2024; 15:278. [PMID: 38637559 PMCID: PMC11026525 DOI: 10.1038/s41419-024-06660-3] [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: 10/20/2023] [Revised: 04/01/2024] [Accepted: 04/08/2024] [Indexed: 04/20/2024]
Abstract
Myelodysplastic syndromes (MDS) are a heterogeneous group of pre-leukemic hematopoietic disorders characterized by cytopenia in peripheral blood due to ineffective hematopoiesis and normo- or hypercellularity and morphologic dysplasia in bone marrow (BM). An inflammatory BM microenvironment and programmed cell death of hematopoietic stem/progenitor cells (HSPCs) are thought to be the major causes of ineffective hematopoiesis in MDS. Pyroptosis, apoptosis and necroptosis (collectively, PANoptosis) are observed in BM tissues of MDS patients, suggesting an important role of PANoptosis in MDS pathogenesis. Caspase 8 (Casp8) is a master regulator of PANoptosis, which is downregulated in HSPCs from most MDS patients and abnormally spliced in HSPCs from MDS patients with SRSF2 mutation. To study the role of PANoptosis in hematopoiesis, we generated inducible Casp8 knockout mice (Casp8-/-). Mx1-Cre-Casp8-/- mice died of BM failure within 10 days of polyI:C injections due to depletion of HSPCs. Rosa-ERT2Cre-Casp8-/- mice are healthy without significant changes in BM hematopoiesis within the first 1.5 months after Casp8 deletion. Such mice developed BM failure upon infection or low dose polyI:C/LPS injections due to the hypersensitivity of Casp8-/- HSPCs to infection or inflammation-induced necroptosis which can be prevented by Ripk3 deletion. However, impaired self-renewal capacity of Casp8-/- HSPCs cannot be rescued by Ripk3 deletion due to activation of Ripk1-Tbk1 signaling. Most importantly, mice transplanted with Casp8-/- BM cells developed MDS-like disease within 4 months of transplantation as demonstrated by anemia, thrombocytopenia and myelodysplasia. Our study suggests an essential role for a balance in Casp8, Ripk3-Mlkl and Ripk1-Tbk1 activities in the regulation of survival and self-renewal of HSPCs, the disruption of which induces inflammation and BM failure, resulting in MDS-like disease.
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Affiliation(s)
- Shanhui Liu
- Oncology Institute, Cardinal Bernardin Cancer Canter, Loyola University Chicago Medical Center, Maywood, IL, 60153, USA
- Department of Cancer Biology, Loyola University Chicago Medical Center, Maywood, IL, 60153, USA
- Lanzhou University Second Hospital, Key Laboratory of Urological Diseases in Gansu Province, Lanzhou, Gansu, 730030, China
| | - Kanak Joshi
- Oncology Institute, Cardinal Bernardin Cancer Canter, Loyola University Chicago Medical Center, Maywood, IL, 60153, USA
- Department of Cancer Biology, Loyola University Chicago Medical Center, Maywood, IL, 60153, USA
| | - Lei Zhang
- Oncology Institute, Cardinal Bernardin Cancer Canter, Loyola University Chicago Medical Center, Maywood, IL, 60153, USA
- Department of Cancer Biology, Loyola University Chicago Medical Center, Maywood, IL, 60153, USA
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, National Clinical Research Center for Hematologic Diseases, Soochow University, Suzhou, 215123, China
| | - Wenyan Li
- Lanzhou University Second Hospital, Key Laboratory of Urological Diseases in Gansu Province, Lanzhou, Gansu, 730030, China
| | - Ryan Mack
- Oncology Institute, Cardinal Bernardin Cancer Canter, Loyola University Chicago Medical Center, Maywood, IL, 60153, USA
- Department of Cancer Biology, Loyola University Chicago Medical Center, Maywood, IL, 60153, USA
| | - Austin Runde
- Oncology Institute, Cardinal Bernardin Cancer Canter, Loyola University Chicago Medical Center, Maywood, IL, 60153, USA
- Department of Cancer Biology, Loyola University Chicago Medical Center, Maywood, IL, 60153, USA
| | - Patrick A Hagen
- Oncology Institute, Cardinal Bernardin Cancer Canter, Loyola University Chicago Medical Center, Maywood, IL, 60153, USA
- Department of Medicine, Loyola University Chicago Medical Center, Maywood, IL, 60153, USA
| | - Kevin Barton
- Oncology Institute, Cardinal Bernardin Cancer Canter, Loyola University Chicago Medical Center, Maywood, IL, 60153, USA
- Department of Medicine, Loyola University Chicago Medical Center, Maywood, IL, 60153, USA
| | - Peter Breslin
- Oncology Institute, Cardinal Bernardin Cancer Canter, Loyola University Chicago Medical Center, Maywood, IL, 60153, USA
- Department of Cancer Biology, Loyola University Chicago Medical Center, Maywood, IL, 60153, USA
- Departments of Biology and Molecular/Cellular Physiology, Loyola University Chicago, Maywood, IL, 60153, USA
| | - Hong-Long Ji
- Department of Surgery, Loyola University Chicago Medical Center, Maywood, IL, 60153, USA
| | - Ameet R Kini
- Departments of Pathology and Radiation Oncology, Loyola University Chicago Medical Center, Maywood, IL, 60153, USA
| | - Zhiping Wang
- Lanzhou University Second Hospital, Key Laboratory of Urological Diseases in Gansu Province, Lanzhou, Gansu, 730030, China.
| | - Jiwang Zhang
- Oncology Institute, Cardinal Bernardin Cancer Canter, Loyola University Chicago Medical Center, Maywood, IL, 60153, USA.
- Department of Cancer Biology, Loyola University Chicago Medical Center, Maywood, IL, 60153, USA.
- Departments of Pathology and Radiation Oncology, Loyola University Chicago Medical Center, Maywood, IL, 60153, USA.
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18
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Lynch J, Troadec E, Fung TK, Gladysz K, Virely C, Lau PNI, Cheung N, Zeisig B, Wong JWH, Lopes M, Huang S, So CWE. Hematopoietic stem cell quiescence and DNA replication dynamics maintained by the resilient β-catenin/Hoxa9/Prmt1 axis. Blood 2024; 143:1586-1598. [PMID: 38211335 PMCID: PMC11103100 DOI: 10.1182/blood.2023022082] [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: 08/08/2023] [Revised: 12/04/2023] [Accepted: 12/22/2023] [Indexed: 01/13/2024] Open
Abstract
ABSTRACT Maintenance of quiescence and DNA replication dynamics are 2 paradoxical requirements for the distinct states of dormant and active hematopoietic stem cells (HSCs), which are required to preserve the stem cell reservoir and replenish the blood cell system in response to hematopoietic stress, respectively. Here, we show that key self-renewal factors, β-catenin or Hoxa9, largely dispensable for HSC integrity, in fact, have dual functions in maintaining quiescence and enabling efficient DNA replication fork dynamics to preserve the functionality of hematopoietic stem and progenitor cells (HSPCs). Although β-catenin or Hoxa9 single knockout (KO) exhibited mostly normal hematopoiesis, their coinactivation led to severe hematopoietic defects stemmed from aberrant cell cycle, DNA replication, and damage in HSPCs. Mechanistically, β-catenin and Hoxa9 function in a compensatory manner to sustain key transcriptional programs that converge on the pivotal downstream target and epigenetic modifying enzyme, Prmt1, which protects the quiescent state and ensures an adequate supply of DNA replication and repair factors to maintain robust replication fork dynamics. Inactivation of Prmt1 phenocopied both cellular and molecular phenotypes of β-catenin/Hoxa9 combined KO, which at the same time could also be partially rescued by Prmt1 expression. The discovery of the highly resilient β-catenin/Hoxa9/Prmt1 axis in protecting both quiescence and DNA replication dynamics essential for HSCs at different key states provides not only novel mechanistic insights into their intricate regulation but also a potential tractable target for therapeutic intervention.
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Affiliation(s)
- Jennifer Lynch
- Leukaemia and Stem Cell Biology Group, School of Cancer and Pharmaceutical Sciences, King's College London, London, United Kingdom
| | - Estelle Troadec
- Leukaemia and Stem Cell Biology Group, School of Cancer and Pharmaceutical Sciences, King's College London, London, United Kingdom
| | - Tsz Kan Fung
- Leukaemia and Stem Cell Biology Group, School of Cancer and Pharmaceutical Sciences, King's College London, London, United Kingdom
- Department of Haematological Medicine, King’s College Hospital, London, United Kingdom
| | - Kornelia Gladysz
- Leukaemia and Stem Cell Biology Group, School of Cancer and Pharmaceutical Sciences, King's College London, London, United Kingdom
- School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Clemence Virely
- Leukaemia and Stem Cell Biology Group, School of Cancer and Pharmaceutical Sciences, King's College London, London, United Kingdom
| | - Priscilla Nga Ieng Lau
- Leukaemia and Stem Cell Biology Group, School of Cancer and Pharmaceutical Sciences, King's College London, London, United Kingdom
| | - Ngai Cheung
- Leukaemia and Stem Cell Biology Group, School of Cancer and Pharmaceutical Sciences, King's College London, London, United Kingdom
| | - Bernd Zeisig
- Leukaemia and Stem Cell Biology Group, School of Cancer and Pharmaceutical Sciences, King's College London, London, United Kingdom
- Department of Haematological Medicine, King’s College Hospital, London, United Kingdom
| | - Jason W. H. Wong
- School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Massimo Lopes
- Institute of Molecular Cancer Research, University of Zurich, Zurich, Switzerland
| | - Suming Huang
- Division of Pediatric Hematology/Oncology, Department of Pediatrics, Pennsylvania State University College of Medicine, Hershey, PA
| | - Chi Wai Eric So
- Leukaemia and Stem Cell Biology Group, School of Cancer and Pharmaceutical Sciences, King's College London, London, United Kingdom
- Department of Haematological Medicine, King’s College Hospital, London, United Kingdom
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19
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Mapperley C, Kranc KR. HOXA9 and β-catenin safeguard HSC integrity. Blood 2024; 143:1554-1556. [PMID: 38635250 DOI: 10.1182/blood.2023023755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/19/2024] Open
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20
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Scherer M, Singh I, Braun M, Szu-Tu C, Kardorff M, Rühle J, Frömel R, Beneyto-Calabuig S, Raffel S, Rodriguez-Fraticelli A, Velten L. Somatic epimutations enable single-cell lineage tracing in native hematopoiesis across the murine and human lifespan. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.04.01.587514. [PMID: 38617287 PMCID: PMC11014487 DOI: 10.1101/2024.04.01.587514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/16/2024]
Abstract
Current approaches to lineage tracing of stem cell clones require genetic engineering or rely on sparse somatic DNA variants, which are difficult to capture at single-cell resolution. Here, we show that targeted single-cell measurements of DNA methylation at single-CpG resolution deliver joint information about cellular differentiation state and clonal identities. We develop EPI-clone, a droplet-based method for transgene-free lineage tracing, and apply it to study hematopoiesis, capturing hundreds of clonal trajectories across almost 100,000 single-cells. Using ground-truth genetic barcodes, we demonstrate that EPI-clone accurately identifies clonal lineages throughout hematopoietic differentiation. Applied to unperturbed hematopoiesis, we describe an overall decline of clonal complexity during murine ageing and the expansion of rare low-output stem cell clones. In aged human donors, we identified expanded hematopoietic clones with and without genetic lesions, and various degrees of clonal complexity. Taken together, EPI-clone enables accurate and transgene-free single-cell lineage tracing at scale.
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Affiliation(s)
- Michael Scherer
- Computational Biology and Health Genomics, Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology (BIST), 08003 Barcelona, Spain
| | - Indranil Singh
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), Barcelona, Spain
| | - Martina Braun
- Computational Biology and Health Genomics, Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology (BIST), 08003 Barcelona, Spain
| | - Chelsea Szu-Tu
- Computational Biology and Health Genomics, Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology (BIST), 08003 Barcelona, Spain
| | - Michael Kardorff
- Department of Medicine, Hematology, Oncology and Rheumatology, University Hospital Heidelberg, 69120 Heidelberg, Germany
| | - Julia Rühle
- Computational Biology and Health Genomics, Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology (BIST), 08003 Barcelona, Spain
- Universitat Pompeu Fabra (UPF), Barcelona, Spain
| | - Robert Frömel
- Computational Biology and Health Genomics, Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology (BIST), 08003 Barcelona, Spain
- Universitat Pompeu Fabra (UPF), Barcelona, Spain
| | - Sergi Beneyto-Calabuig
- Computational Biology and Health Genomics, Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology (BIST), 08003 Barcelona, Spain
- Universitat Pompeu Fabra (UPF), Barcelona, Spain
| | - Simon Raffel
- Department of Medicine, Hematology, Oncology and Rheumatology, University Hospital Heidelberg, 69120 Heidelberg, Germany
| | - Alejo Rodriguez-Fraticelli
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), Barcelona, Spain
- Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain
| | - Lars Velten
- Computational Biology and Health Genomics, Centre for Genomic Regulation (CRG), Barcelona Institute of Science and Technology (BIST), 08003 Barcelona, Spain
- Universitat Pompeu Fabra (UPF), Barcelona, Spain
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21
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Zhou Z, Yao J, Wu D, Huang X, Wang Y, Li X, Lu Q, Qiu Y. Type 2 cytokine signaling in macrophages protects from cellular senescence and organismal aging. Immunity 2024; 57:513-527.e6. [PMID: 38262419 DOI: 10.1016/j.immuni.2024.01.001] [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: 07/27/2023] [Revised: 11/28/2023] [Accepted: 01/02/2024] [Indexed: 01/25/2024]
Abstract
Accumulation of senescent cells in organs and tissues is a hallmark of aging and known to contribute to age-related diseases. Although aging-associated immune dysfunction, or immunosenescence, is known to contribute to this process, the underlying mechanism remains elusive. Here, we report that type 2 cytokine signaling deficiency accelerated aging and, conversely, that the interleukin-4 (IL-4)-STAT6 pathway protected macrophages from senescence. Mechanistically, activated STAT6 promoted the expression of genes involved in DNA repair both via homologous recombination and Fanconi anemia pathways. Conversely, STAT6 deficiency induced release of nuclear DNA into the cytoplasm to promote tissue inflammation and organismal aging. Importantly, we demonstrate that IL-4 treatment prevented macrophage senescence and improved the health span of aged mice to an extent comparable to senolytic treatment, with further additive effects when combined. Together, our findings support that type 2 cytokine signaling protects macrophages from immunosenescence and thus hold therapeutic potential for improving healthy aging.
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Affiliation(s)
- Zhao Zhou
- Institute of Molecular Medicine, Beijing Key Laboratory of Cardiometabolic Molecular Medicine, College of Future Technology, Peking University, Beijing 100871, China
| | - Jingfei Yao
- Institute of Molecular Medicine, Beijing Key Laboratory of Cardiometabolic Molecular Medicine, College of Future Technology, Peking University, Beijing 100871, China
| | - Dongmei Wu
- Institute of Molecular Medicine, Beijing Key Laboratory of Cardiometabolic Molecular Medicine, College of Future Technology, Peking University, Beijing 100871, China; Peking-Tsinghua Center for Life Sciences, Peking University, Beijing 100871, China
| | - Xun Huang
- Institute of Molecular Medicine, Beijing Key Laboratory of Cardiometabolic Molecular Medicine, College of Future Technology, Peking University, Beijing 100871, China; Peking-Tsinghua Center for Life Sciences, Peking University, Beijing 100871, China; Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
| | - Yushuang Wang
- Institute of Molecular Medicine, Beijing Key Laboratory of Cardiometabolic Molecular Medicine, College of Future Technology, Peking University, Beijing 100871, China
| | - Xinmeng Li
- Institute of Molecular Medicine, Beijing Key Laboratory of Cardiometabolic Molecular Medicine, College of Future Technology, Peking University, Beijing 100871, China
| | - Qiang Lu
- Institute of Molecular Medicine, Beijing Key Laboratory of Cardiometabolic Molecular Medicine, College of Future Technology, Peking University, Beijing 100871, China
| | - Yifu Qiu
- Institute of Molecular Medicine, Beijing Key Laboratory of Cardiometabolic Molecular Medicine, College of Future Technology, Peking University, Beijing 100871, China; Peking-Tsinghua Center for Life Sciences, Peking University, Beijing 100871, China.
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22
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Kovuru N, Mochizuki-Kashio M, Menna T, Jeffrey G, Hong Y, Me Yoon Y, Zhang Z, Kurre P. Deregulated protein homeostasis constrains fetal hematopoietic stem cell pool expansion in Fanconi anemia. Nat Commun 2024; 15:1852. [PMID: 38424108 PMCID: PMC10904799 DOI: 10.1038/s41467-024-46159-1] [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: 06/29/2023] [Accepted: 02/15/2024] [Indexed: 03/02/2024] Open
Abstract
Demand-adjusted and cell type specific rates of protein synthesis represent an important safeguard for fate and function of long-term hematopoietic stem cells. Here, we identify increased protein synthesis rates in the fetal hematopoietic stem cell pool at the onset of hematopoietic failure in Fanconi Anemia, a prototypical DNA repair disorder that manifests with bone marrow failure. Mechanistically, the accumulation of misfolded proteins in Fancd2-/- fetal liver hematopoietic stem cells converges on endoplasmic reticulum stress, which in turn constrains midgestational expansion. Restoration of protein folding by the chemical chaperone tauroursodeoxycholic acid, a hydrophilic bile salt, prevents accumulation of unfolded proteins and rescues Fancd2-/- fetal liver long-term hematopoietic stem cell numbers. We find that proteostasis deregulation itself is driven by excess sterile inflammatory activity in hematopoietic and stromal cells within the fetal liver, and dampened Type I interferon signaling similarly restores fetal Fancd2-/- long-term hematopoietic stem cells to wild type-equivalent numbers. Our study reveals the origin and pathophysiological trigger that gives rise to Fanconi anemia hematopoietic stem cell pool deficits. More broadly, we show that fetal protein homeostasis serves as a physiological rheostat for hematopoietic stem cell fate and function.
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Affiliation(s)
- Narasaiah Kovuru
- Comprehensive Bone Marrow Failure Center, Children's Hospital of Philadelphia; Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Makiko Mochizuki-Kashio
- Department of Microscopic and Developmental Anatomy, Tokyo Women's Medical University, Tokyo, Japan
| | - Theresa Menna
- Comprehensive Bone Marrow Failure Center, Children's Hospital of Philadelphia; Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Greer Jeffrey
- Comprehensive Bone Marrow Failure Center, Children's Hospital of Philadelphia; Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Yuning Hong
- La Trobe University, Department of Biochemistry and Chemistry, Melbourne, Australia
| | - Young Me Yoon
- Committee on Immunology, Graduate Program in Biosciences, University of Chicago, Chicago, IL, USA
| | - Zhe Zhang
- Department of Biomedical and Health Informatics, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Peter Kurre
- Comprehensive Bone Marrow Failure Center, Children's Hospital of Philadelphia; Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
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23
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Khalilian P, Eskandari N, Sharifi MJ, Soltani M, Nematollahi P. Toll-Like Receptor 4, 2, and Interleukin 1 Receptor Associated Kinase4: Possible Diagnostic Biomarkers in Myelodysplastic Syndrome Patients. Adv Biomed Res 2024; 13:17. [PMID: 38525404 PMCID: PMC10958736 DOI: 10.4103/abr.abr_67_23] [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: 02/21/2023] [Revised: 05/02/2023] [Accepted: 05/10/2023] [Indexed: 03/26/2024] Open
Abstract
Background Myelodysplastic syndrome (MDS) is a clonal hematologic disorder that requires the integration of morphologic, cytogenetic, hematologic, and clinical findings for a successful diagnosis. Trying to find ancillary tests such as biomarkers improve the diagnosis process. Several studies showed that a disordered immune system is associated with MDS. The chronic activated innate immune system, particularly the Toll-like receptors (TLRs) pathway could be involved in the induction of the inflammation. Materials and Methods In the present study, we investigated the expression of TLR2, TLR4, and IRAK4 in bone marrow (BM) of MDS patients, the leukemia group, and the healthy group. For this purpose, we assessed the expression of TLR2, TLR4, and IRAK4 by real time-PCR. Results In line with new findings, we demonstrated that the expression of TLR2, TLR4, and IRAK4 significantly increased in MDS BM compared with the healthy group. Moreover, IRAK4 expression raised significantly in MDS patients compared with other studied hematologic neoplasms. Also, the expression levels of TLR2 and TLR4 significantly increased in MDS in comparison to some studied non-MDS malignancies (P ˂ 0.05). Receiver operating characteristics (ROC) analysis and area under the curve (AUC) suggested that the expression of TLR2, TLR4, and IRAK4 (AUC = 0.702, AUC = 0.75, and AUC = 0.682, respectively) had acceptable diagnostic values to identify MDS from the other understudied leukemias. Conclusion Overall, the expression of TLR2, TLR4, and IRAK4 could be potential biomarkers for discriminating MDS from some hematologic disorders.
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Affiliation(s)
- Parvin Khalilian
- Department of Immunology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Nahid Eskandari
- Department of Immunology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
- Applied Physiology Research Center, Isfahan Cardiovascular Research Institute, Department of Immunology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mohammad Jafar Sharifi
- Department of Laboratory Sciences, School of Paramedical Sciences, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammad Soltani
- Department of Immunology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Pardis Nematollahi
- Department of Pathology, School of Medicine, Cancer Prevention Research Center, Seyyed Al-Shohada Hospital, Isfahan University of Medical Sciences, Isfahan, Iran
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24
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Dave A, Liu S, Riley JS, Bose S, Luks V, Berkowitz C, Menon P, Jung S, Li H, Kurre P, Peranteau WH. In utero hematopoietic cell transplantation leads to sustained engraftment in a mouse model of Fanconi anemia. Blood Adv 2024; 8:624-628. [PMID: 37906519 PMCID: PMC10838693 DOI: 10.1182/bloodadvances.2023010354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 09/18/2023] [Accepted: 10/15/2023] [Indexed: 11/02/2023] Open
Affiliation(s)
- Apeksha Dave
- The Center for Fetal Research, Division of General, Thoracic and Fetal Surgery, Children's Hospital of Philadelphia, Philadelphia, PA
| | - Suying Liu
- Comprehensive Bone Marrow Failure Center, Children’s Hospital of Philadelphia, Philadelphia, PA
- Cell and Molecular Biology Graduate Training Program, University of Pennsylvania, Philadelphia, PA
| | - John S. Riley
- The Center for Fetal Research, Division of General, Thoracic and Fetal Surgery, Children's Hospital of Philadelphia, Philadelphia, PA
| | - Sourav Bose
- The Center for Fetal Research, Division of General, Thoracic and Fetal Surgery, Children's Hospital of Philadelphia, Philadelphia, PA
| | - Valerie Luks
- The Center for Fetal Research, Division of General, Thoracic and Fetal Surgery, Children's Hospital of Philadelphia, Philadelphia, PA
| | - Cara Berkowitz
- The Center for Fetal Research, Division of General, Thoracic and Fetal Surgery, Children's Hospital of Philadelphia, Philadelphia, PA
| | - Pallavi Menon
- The Center for Fetal Research, Division of General, Thoracic and Fetal Surgery, Children's Hospital of Philadelphia, Philadelphia, PA
| | - Seul Jung
- Comprehensive Bone Marrow Failure Center, Children’s Hospital of Philadelphia, Philadelphia, PA
| | - Haiying Li
- The Center for Fetal Research, Division of General, Thoracic and Fetal Surgery, Children's Hospital of Philadelphia, Philadelphia, PA
| | - Peter Kurre
- Comprehensive Bone Marrow Failure Center, Children’s Hospital of Philadelphia, Philadelphia, PA
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - William H. Peranteau
- The Center for Fetal Research, Division of General, Thoracic and Fetal Surgery, Children's Hospital of Philadelphia, Philadelphia, PA
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
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25
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Mazzarella L, Falvo P, Adinolfi M, Tini G, Gatti E, Piccioni R, Bonetti E, Gavilán E, Valli D, Gruszka A, Bodini M, Gallo B, Orecchioni S, de Michele G, Migliaccio E, Duso BA, Roerink S, Stratton M, Bertolini F, Alcalay M, Dellino GI, Pelicci PG. High-Fat Diet Promotes Acute Promyelocytic Leukemia through PPARδ-Enhanced Self-renewal of Preleukemic Progenitors. Cancer Prev Res (Phila) 2024; 17:59-75. [PMID: 37956420 DOI: 10.1158/1940-6207.capr-23-0246] [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: 06/15/2023] [Revised: 09/04/2023] [Accepted: 11/09/2023] [Indexed: 11/15/2023]
Abstract
Risk and outcome of acute promyelocytic leukemia (APL) are particularly worsened in obese-overweight individuals, but the underlying molecular mechanism is unknown. In established mouse APL models (Ctsg-PML::RARA), we confirmed that obesity induced by high-fat diet (HFD) enhances leukemogenesis by increasing penetrance and shortening latency, providing an ideal model to investigate obesity-induced molecular events in the preleukemic phase. Surprisingly, despite increasing DNA damage in hematopoietic stem cells (HSC), HFD only minimally increased mutational load, with no relevant impact on known cancer-driving genes. HFD expanded and enhanced self-renewal of hematopoietic progenitor cells (HPC), with concomitant reduction in long-term HSCs. Importantly, linoleic acid, abundant in HFD, fully recapitulates the effect of HFD on the self-renewal of PML::RARA HPCs through activation of peroxisome proliferator-activated receptor delta, a central regulator of fatty acid metabolism. Our findings inform dietary/pharmacologic interventions to counteract obesity-associated cancers and suggest that nongenetic factors play a key role. PREVENTION RELEVANCE Our work informs interventions aimed at counteracting the cancer-promoting effect of obesity. On the basis of our study, individuals with a history of chronic obesity may still significantly reduce their risk by switching to a healthier lifestyle, a concept supported by evidence in solid tumors but not yet in hematologic malignancies. See related Spotlight, p. 47.
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Affiliation(s)
| | - Paolo Falvo
- IRCCS European Institute of Oncology, Milan, Italy
| | | | - Giulia Tini
- IRCCS European Institute of Oncology, Milan, Italy
| | - Elena Gatti
- IRCCS European Institute of Oncology, Milan, Italy
| | | | | | | | - Debora Valli
- IRCCS European Institute of Oncology, Milan, Italy
| | | | | | | | | | | | | | - Bruno A Duso
- IRCCS European Institute of Oncology, Milan, Italy
| | - Sophie Roerink
- Wellcome Trust Sanger Institute, Cambridge, United Kingdom
| | - Mike Stratton
- Wellcome Trust Sanger Institute, Cambridge, United Kingdom
| | | | - Myriam Alcalay
- IRCCS European Institute of Oncology, Milan, Italy
- Department of Oncology and Hemato-Oncology, University of Milan
| | - Gaetano Ivan Dellino
- IRCCS European Institute of Oncology, Milan, Italy
- Department of Oncology and Hemato-Oncology, University of Milan
| | - Pier Giuseppe Pelicci
- IRCCS European Institute of Oncology, Milan, Italy
- Department of Oncology and Hemato-Oncology, University of Milan
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26
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Bhattarai G, Shrestha SK, Sim HJ, Lee JC, Kook SH. Effects of fine particulate matter on bone marrow-conserved hematopoietic and mesenchymal stem cells: a systematic review. Exp Mol Med 2024; 56:118-128. [PMID: 38200155 PMCID: PMC10834576 DOI: 10.1038/s12276-023-01149-z] [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: 08/07/2023] [Revised: 10/25/2023] [Accepted: 11/02/2023] [Indexed: 01/12/2024] Open
Abstract
The harmful effects of fine particulate matter ≤2.5 µm in size (PM2.5) on human health have received considerable attention. However, while the impact of PM2.5 on the respiratory and cardiovascular systems has been well studied, less is known about the effects on stem cells in the bone marrow (BM). With an emphasis on the invasive characteristics of PM2.5, this review examines the current knowledge of the health effects of PM2.5 exposure on BM-residing stem cells. Recent studies have shown that PM2.5 enters the circulation and then travels to distant organs, including the BM, to induce oxidative stress, systemic inflammation and epigenetic changes, resulting in the reduction of BM-residing stem cell survival and function. Understanding the broader health effects of air pollution thus requires an understanding of the invasive characteristics of PM2.5 and its direct influence on stem cells in the BM. As noted in this review, further studies are needed to elucidate the underlying processes by which PM2.5 disturbs the BM microenvironment and inhibits stem cell functionality. Strategies to prevent or ameliorate the negative effects of PM2.5 exposure on BM-residing stem cells and to maintain the regenerative capacity of those cells must also be investigated. By focusing on the complex relationship between PM2.5 and BM-resident stem cells, this review highlights the importance of specific measures directed at safeguarding human health in the face of rising air pollution.
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Affiliation(s)
- Govinda Bhattarai
- Department of Bioactive Material Sciences, Research Center of Bioactive Materials, Jeonbuk National University, Jeonju, 54896, Republic of Korea
- Cluster for Craniofacial Development and Regeneration Research, Institute of Oral Biosciences and School of Dentistry, Jeonbuk National University, Jeonju, 54896, Republic of Korea
| | - Saroj Kumar Shrestha
- Cluster for Craniofacial Development and Regeneration Research, Institute of Oral Biosciences and School of Dentistry, Jeonbuk National University, Jeonju, 54896, Republic of Korea
| | - Hyun-Jaung Sim
- Department of Bioactive Material Sciences, Research Center of Bioactive Materials, Jeonbuk National University, Jeonju, 54896, Republic of Korea
- Cluster for Craniofacial Development and Regeneration Research, Institute of Oral Biosciences and School of Dentistry, Jeonbuk National University, Jeonju, 54896, Republic of Korea
| | - Jeong-Chae Lee
- Department of Bioactive Material Sciences, Research Center of Bioactive Materials, Jeonbuk National University, Jeonju, 54896, Republic of Korea.
- Cluster for Craniofacial Development and Regeneration Research, Institute of Oral Biosciences and School of Dentistry, Jeonbuk National University, Jeonju, 54896, Republic of Korea.
| | - Sung-Ho Kook
- Department of Bioactive Material Sciences, Research Center of Bioactive Materials, Jeonbuk National University, Jeonju, 54896, Republic of Korea.
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27
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Shcherbinina V, Pavlova M, Daev E, Dyuzhikova N. Rats Selected for Different Nervous Excitability: Long-Term Emotional-Painful Stress Affects the Dynamics of DNA Damage in Cells of Several Brain Areas. Int J Mol Sci 2024; 25:994. [PMID: 38256068 PMCID: PMC10815859 DOI: 10.3390/ijms25020994] [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: 12/14/2023] [Revised: 01/05/2024] [Accepted: 01/11/2024] [Indexed: 01/24/2024] Open
Abstract
The maintenance of genome stability is critical for health, but during individual ontogenesis, different stressors affect DNA integrity, which can lead to functional and/or structural changes in the cells of target organs. In the nervous system, cell genome destabilization is associated with different neurological and psychiatric diseases, but experiments in vivo, where a link between stress and DNA instability has been demonstrated, are relatively rare. Here, we use rat strains selected for the contrast excitability of the tibialis nerve (n. tibialis) and nonselected Wistar rats to investigate the reasons for individual differences in developing post-stress pathologies. Previous research on the behavioral response of these strains to prolonged emotional-painful stress (PEPS) allows us to consider one strain as a model of post-traumatic stress disorder (PTSD) and another strain as a model of compulsive disorder (CD). We study DNA damage in the cells of the prefrontal cortex (PFC), hippocampus, and amygdala, regions involved in stress responses and the formation of post-stress dysfunctions. The evaluation of cell genome integrity via the comet assay shows different responses to PEPS in each brain area analyzed and for all strains used. This could help us to understand the reasons for individual differences in the consequences of stress and the pathophysiology of post-stress disease formation.
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Affiliation(s)
- Veronika Shcherbinina
- Laboratory of Higher Nervous Activity Genetics, Pavlov Institute of Physiology, Russian Academy of Sciences, nab. Makarova, 6, 199034 Saint Petersburg, Russia; (V.S.); (M.P.); or (E.D.)
- Department of Genetics and Biotechnology, Faculty of Biology, Saint Petersburg State University, Universitetskaya nab., 7–9, 199034 Saint Petersburg, Russia
| | - Marina Pavlova
- Laboratory of Higher Nervous Activity Genetics, Pavlov Institute of Physiology, Russian Academy of Sciences, nab. Makarova, 6, 199034 Saint Petersburg, Russia; (V.S.); (M.P.); or (E.D.)
| | - Eugene Daev
- Laboratory of Higher Nervous Activity Genetics, Pavlov Institute of Physiology, Russian Academy of Sciences, nab. Makarova, 6, 199034 Saint Petersburg, Russia; (V.S.); (M.P.); or (E.D.)
- Department of Genetics and Biotechnology, Faculty of Biology, Saint Petersburg State University, Universitetskaya nab., 7–9, 199034 Saint Petersburg, Russia
| | - Natalia Dyuzhikova
- Laboratory of Higher Nervous Activity Genetics, Pavlov Institute of Physiology, Russian Academy of Sciences, nab. Makarova, 6, 199034 Saint Petersburg, Russia; (V.S.); (M.P.); or (E.D.)
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28
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Skinder N, Sanz Fernández I, Dethmers-Ausema A, Weersing E, de Haan G. CD61 identifies a superior population of aged murine HSCs and is required to preserve quiescence and self-renewal. Blood Adv 2024; 8:99-111. [PMID: 37939263 PMCID: PMC10787248 DOI: 10.1182/bloodadvances.2023011585] [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: 09/05/2023] [Revised: 10/26/2023] [Accepted: 10/29/2023] [Indexed: 11/10/2023] Open
Abstract
ABSTRACT Aging leads to a decline in function of hematopoietic stem cells (HSCs) and increases susceptibility to hematological disease. We found CD61 to be highly expressed in aged murine HSCs. Here, we investigate the role of CD61 in identifying distinct subpopulations of aged HSCs and assess how expression of CD61 affects stem cell function. We show that HSCs with high expression of CD61 are functionality superior and retain self-renewal capacity in serial transplantations. In primary transplantations, aged CD61High HSCs function similarly to young HSCs. CD61High HSCs are more quiescent than their CD61Low counterparts. We also show that in aged bone marrow, CD61High and CD61Low HSCs are transcriptomically distinct populations. Collectively, our research identifies CD61 as a key player in maintaining stem cell quiescence, ensuring the preservation of their functional integrity and potential during aging. Moreover, CD61 emerges as a marker to prospectively isolate a superior, highly dormant population of young and aged HSCs, making it a valuable tool both in fundamental and clinical research.
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Affiliation(s)
- Natalia Skinder
- European Research Institute for the Biology of Ageing, University Medical Center Groningen, Groningen, The Netherlands
| | - Irene Sanz Fernández
- European Research Institute for the Biology of Ageing, University Medical Center Groningen, Groningen, The Netherlands
| | - Albertien Dethmers-Ausema
- European Research Institute for the Biology of Ageing, University Medical Center Groningen, Groningen, The Netherlands
| | - Ellen Weersing
- European Research Institute for the Biology of Ageing, University Medical Center Groningen, Groningen, The Netherlands
| | - Gerald de Haan
- European Research Institute for the Biology of Ageing, University Medical Center Groningen, Groningen, The Netherlands
- Sanquin Research, Landsteiner Laboratory, Amsterdam, The Netherlands
- Department of Hematology, Amsterdam University Medical Center, Cancer Center Amsterdam, Amsterdam, The Netherlands
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29
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Maleki EH, Bahrami AR, Matin MM. Cancer cell cycle heterogeneity as a critical determinant of therapeutic resistance. Genes Dis 2024; 11:189-204. [PMID: 37588236 PMCID: PMC10425754 DOI: 10.1016/j.gendis.2022.11.025] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 10/20/2022] [Accepted: 11/16/2022] [Indexed: 01/15/2023] Open
Abstract
Intra-tumor heterogeneity is now arguably one of the most-studied topics in tumor biology, as it represents a major obstacle to effective cancer treatment. Since tumor cells are highly diverse at genetic, epigenetic, and phenotypic levels, intra-tumor heterogeneity can be assumed as an important contributing factor to the nullification of chemotherapeutic effects, and recurrence of the tumor. Based on the role of heterogeneous subpopulations of cancer cells with varying cell-cycle dynamics and behavior during cancer progression and treatment; herein, we aim to establish a comprehensive definition for adaptation of neoplastic cells against therapy. We discuss two parallel and yet distinct subpopulations of tumor cells that play pivotal roles in reducing the effects of chemotherapy: "resistant" and "tolerant" populations. Furthermore, this review also highlights the impact of the quiescent phase of the cell cycle as a survival mechanism for cancer cells. Beyond understanding the mechanisms underlying the quiescence, it provides an insightful perspective on cancer stem cells (CSCs) and their dual and intertwined functions based on their cell cycle state in response to treatment. Moreover, CSCs, epithelial-mesenchymal transformed cells, circulating tumor cells (CTCs), and disseminated tumor cells (DTCs), which are mostly in a quiescent state of the cell cycle are proved to have multiple biological links and can be implicated in our viewpoint of cell cycle heterogeneity in tumors. Overall, increasing our knowledge of cell cycle heterogeneity is a key to identifying new therapeutic solutions, and this emerging concept may provide us with new opportunities to prevent the dreadful cancer recurrence.
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Affiliation(s)
- Ebrahim H. Maleki
- Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, 9177948974 Mashhad, Iran
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, 31-007 Krakow, Poland
- Doctoral School of Exact and Natural Sciences, Jagiellonian University, 30-348 Krakow, Poland
| | - Ahmad Reza Bahrami
- Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, 9177948974 Mashhad, Iran
- Industrial Biotechnology Research Group, Institute of Biotechnology, Ferdowsi University of Mashhad, 9177948974 Mashhad, Iran
| | - Maryam M. Matin
- Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, 9177948974 Mashhad, Iran
- Novel Diagnostics and Therapeutics Research Group, Institute of Biotechnology, Ferdowsi University of Mashhad, 9177948974 Mashhad, Iran
- Stem Cell and Regenerative Medicine Research Group, Iranian Academic Center for Education, Culture and Research (ACECR), Khorasan Razavi Branch, 917751376 Mashhad, Iran
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30
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Zhang YW, Schönberger K, Cabezas‐Wallscheid N. Bidirectional interplay between metabolism and epigenetics in hematopoietic stem cells and leukemia. EMBO J 2023; 42:e112348. [PMID: 38010205 PMCID: PMC10711668 DOI: 10.15252/embj.2022112348] [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: 08/11/2022] [Revised: 08/24/2023] [Accepted: 08/28/2023] [Indexed: 11/29/2023] Open
Abstract
During the last decades, remarkable progress has been made in further understanding the complex molecular regulatory networks that maintain hematopoietic stem cell (HSC) function. Cellular and organismal metabolisms have been shown to directly instruct epigenetic alterations, and thereby dictate stem cell fate, in the bone marrow. Epigenetic regulatory enzymes are dependent on the availability of metabolites to facilitate DNA- and histone-modifying reactions. The metabolic and epigenetic features of HSCs and their downstream progenitors can be significantly altered by environmental perturbations, dietary habits, and hematological diseases. Therefore, understanding metabolic and epigenetic mechanisms that regulate healthy HSCs can contribute to the discovery of novel metabolic therapeutic targets that specifically eliminate leukemia stem cells while sparing healthy HSCs. Here, we provide an in-depth review of the metabolic and epigenetic interplay regulating hematopoietic stem cell fate. We discuss the influence of metabolic stress stimuli, as well as alterations occurring during leukemic development. Additionally, we highlight recent therapeutic advancements toward eradicating acute myeloid leukemia cells by intervening in metabolic and epigenetic pathways.
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Affiliation(s)
- Yu Wei Zhang
- Max Planck Institute of Immunobiology and EpigeneticsFreiburgGermany
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31
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Wu L, Lin Q, Chatla S, Amarachintha S, Wilson AF, Atale N, Gao ZJ, Joseph J, Wolff EV, Du W. LepR+ niche cell-derived AREG compromises hematopoietic stem cell maintenance under conditions of DNA repair deficiency and aging. Blood 2023; 142:1529-1542. [PMID: 37584437 PMCID: PMC10656728 DOI: 10.1182/blood.2022018212] [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: 08/23/2022] [Revised: 07/31/2023] [Accepted: 08/01/2023] [Indexed: 08/17/2023] Open
Abstract
The cross talk between extrinsic niche-derived and intrinsic hematopoietic stem cell (HSC) factors controlling HSC maintenance remains elusive. Here, we demonstrated that amphiregulin (AREG) from bone marrow (BM) leptin receptor (LepR+) niche cells is an important factor that mediates the cross talk between the BM niche and HSCs in stem cell maintenance. Mice deficient of the DNA repair gene Brca2, specifically in LepR+ cells (LepR-Cre;Brca2fl/fl), exhibited increased frequencies of total and myeloid-biased HSCs. Furthermore, HSCs from LepR-Cre;Brca2fl/fl mice showed compromised repopulation, increased expansion of donor-derived, myeloid-biased HSCs, and increased myeloid output. Brca2-deficient BM LepR+ cells exhibited persistent DNA damage-inducible overproduction of AREG. Ex vivo treatment of wild-type HSCs or systemic treatment of C57BL/6 mice with recombinant AREG impaired repopulation, leading to HSC exhaustion. Conversely, inhibition of AREG by an anti-AREG-neutralizing antibody or deletion of the Areg gene in LepR-Cre;Brca2fl/fl mice rescued HSC defects caused by AREG. Mechanistically, AREG activated the phosphoinositide 3-kinases (PI3K)/AKT/mammalian target of rapamycin (mTOR) pathway, promoted HSC cycling, and compromised HSC quiescence. Finally, we demonstrated that BM LepR+ niche cells from other DNA repair-deficient and aged mice also showed persistent DNA damage-associated overexpression of AREG, which exerts similar negative effects on HSC maintenance. Therefore, we identified an important factor that regulates HSCs function under conditions of DNA repair deficiency and aging.
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Affiliation(s)
- Limei Wu
- Division of Hematology and Oncology, University of Pittsburgh School of Medicine, Pittsburgh, PA
- Genome Stability Program, UPMC Hillman Cancer Center, Pittsburgh, PA
| | - Qiqi Lin
- Division of Hematology and Oncology, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - Srinivas Chatla
- Fels Cancer Institute for Personalized Medicine, Lewis Katz School of Medicine at Temple University, Philadelphia, PA
| | - Surya Amarachintha
- Department of Biology, Georgia Southwestern State University, Americus, GA
| | - Andrew F Wilson
- Experimental Hematology and Cancer Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH
| | - Neha Atale
- Division of Hematology and Oncology, University of Pittsburgh School of Medicine, Pittsburgh, PA
- Genome Stability Program, UPMC Hillman Cancer Center, Pittsburgh, PA
| | - Zhenxia J Gao
- Division of Hematology and Oncology, University of Pittsburgh School of Medicine, Pittsburgh, PA
- Genome Stability Program, UPMC Hillman Cancer Center, Pittsburgh, PA
| | - Jonathan Joseph
- University of Pittsburgh Medical Center Medical Education, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - Emily V Wolff
- Division of Hematology and Oncology, University of Pittsburgh School of Medicine, Pittsburgh, PA
- Genome Stability Program, UPMC Hillman Cancer Center, Pittsburgh, PA
| | - Wei Du
- Division of Hematology and Oncology, University of Pittsburgh School of Medicine, Pittsburgh, PA
- Genome Stability Program, UPMC Hillman Cancer Center, Pittsburgh, PA
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32
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Rydström A, Grahn THM, Niroula A, Mansell E, van der Garde M, Pertesi M, Subramaniam A, Soneji S, Zubarev R, Enver T, Nilsson B, Miharada K, Larsson J, Karlsson S. Functional and molecular profiling of hematopoietic stem cells during regeneration. Exp Hematol 2023; 127:40-51. [PMID: 37666355 DOI: 10.1016/j.exphem.2023.08.010] [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: 06/28/2023] [Revised: 08/28/2023] [Accepted: 08/29/2023] [Indexed: 09/06/2023]
Abstract
Hematopoietic stem cells (HSCs) enable hematopoietic stem cell transplantation (HCT) through their ability to replenish the entire blood system. Proliferation of HSCs is linked to decreased reconstitution potential, and a precise regulation of actively dividing HSCs is thus essential to ensure long-term functionality. This regulation becomes important in the transplantation setting where HSCs undergo proliferation followed by a gradual transition to quiescence and homeostasis. Although mouse HSCs have been well studied under homeostatic conditions, the mechanisms regulating HSC activation under stress remain unclear. Here, we analyzed the different phases of regeneration after transplantation. We isolated bone marrow from mice at 8 time points after transplantation and examined the reconstitution dynamics and transcriptional profiles of stem and progenitor populations. We found that regenerating HSCs initially produced rapidly expanding progenitors and displayed distinct changes in fatty acid metabolism and glycolysis. Moreover, we observed molecular changes in cell cycle, MYC and mTOR signaling in both HSCs, and progenitor subsets. We used a decay rate model to fit the temporal transcription profiles of regenerating HSCs and identified genes with progressively decreased or increased expression after transplantation. These genes overlapped to a large extent with published gene sets associated with key aspects of HSC function, demonstrating the potential of this data set as a resource for identification of novel HSC regulators. Taken together, our study provides a detailed functional and molecular characterization of HSCs at different phases of regeneration and identifies a gene set associated with the transition from proliferation to quiescence.
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Affiliation(s)
- Anna Rydström
- Molecular Medicine and Gene Therapy, Lund Stem Cell Center, Lund University, Lund, Sweden
| | - Tan H M Grahn
- Molecular Medicine and Gene Therapy, Lund Stem Cell Center, Lund University, Lund, Sweden
| | - Abhishek Niroula
- Hematology and Transfusion Medicine, Department of Laboratory Medicine, Lund University, Lund, Sweden
| | - Els Mansell
- Molecular Medicine and Gene Therapy, Lund Stem Cell Center, Lund University, Lund, Sweden
| | - Mark van der Garde
- Molecular Medicine and Gene Therapy, Lund Stem Cell Center, Lund University, Lund, Sweden
| | - Maroulio Pertesi
- Hematology and Transfusion Medicine, Department of Laboratory Medicine, Lund University, Lund, Sweden
| | | | - Shamit Soneji
- Division of Molecular Hematology, Department of Laboratory Medicine, Lund Stem Cell Center, Lund University, Lund, Sweden
| | - Roman Zubarev
- Department of Medical Biochemistry and Biophysics, Karolinska Institute, Solna, Sweden
| | - Tariq Enver
- Stem Cell Group, Cancer Institute, University College London, United Kingdom
| | - Björn Nilsson
- Hematology and Transfusion Medicine, Department of Laboratory Medicine, Lund University, Lund, Sweden
| | - Kenichi Miharada
- Molecular Medicine and Gene Therapy, Lund Stem Cell Center, Lund University, Lund, Sweden
| | - Jonas Larsson
- Molecular Medicine and Gene Therapy, Lund Stem Cell Center, Lund University, Lund, Sweden
| | - Stefan Karlsson
- Molecular Medicine and Gene Therapy, Lund Stem Cell Center, Lund University, Lund, Sweden.
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33
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Fontenay M, Boussaid I, Chapuis N. [Pathophysiology of myelodysplastic syndromes]. Bull Cancer 2023; 110:1097-1105. [PMID: 37423830 DOI: 10.1016/j.bulcan.2023.02.026] [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: 01/09/2023] [Accepted: 02/15/2023] [Indexed: 07/11/2023]
Abstract
During aging, the onset of mutations at low frequency in hematopoietic cells or clonal hematopoiesis of indeterminate significance favors the evolution towards hemopathies such as myelodysplastic syndromes or acute leukemias, but also cardiovascular diseases and other pathologies. Acute or chronic inflammation related to age influences the clonal evolution and the immune response. Conversely, mutated hematopoietic cells create an inflammatory bone marrow environment facilitating their expansion. Various pathophysiological mechanisms depending on the type of mutation produce the diversity of phenotypes. Identifying factors affecting clonal selection is mandatory to improve patient care.
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Affiliation(s)
- Michaela Fontenay
- Assistance publique-Hôpitaux de Paris, université Paris Cité, hôpital Cochin, laboratoire d'hématologie, Inserm, Institut Cochin, Paris, France.
| | - Ismael Boussaid
- Assistance publique-Hôpitaux de Paris, université Paris Cité, hôpital Cochin, laboratoire d'hématologie, Inserm, Institut Cochin, Paris, France
| | - Nicolas Chapuis
- Assistance publique-Hôpitaux de Paris, université Paris Cité, hôpital Cochin, laboratoire d'hématologie, Inserm, Institut Cochin, Paris, France
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34
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Ben-Chetrit N, Niu X, Sotelo J, Swett AD, Rajasekhar VK, Jiao MS, Stewart CM, Bhardwaj P, Kottapalli S, Ganesan S, Loyher PL, Potenski C, Hannuna A, Brown KA, Iyengar NM, Giri DD, Lowe SW, Healey JH, Geissmann F, Sagi I, Joyce JA, Landau DA. Breast Cancer Macrophage Heterogeneity and Self-renewal are Determined by Spatial Localization. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.10.24.563749. [PMID: 37961223 PMCID: PMC10634790 DOI: 10.1101/2023.10.24.563749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
Tumor-infiltrating macrophages support critical steps in tumor progression, and their accumulation in the tumor microenvironment (TME) is associated with adverse outcomes and therapeutic resistance across human cancers. In the TME, macrophages adopt diverse phenotypic alterations, giving rise to heterogeneous immune activation states and induction of cell cycle. While the transcriptional profiles of these activation states are well-annotated across human cancers, the underlying signals that regulate macrophage heterogeneity and accumulation remain incompletely understood. Here, we leveraged a novel ex vivo organotypic TME (oTME) model of breast cancer, in vivo murine models, and human samples to map the determinants of functional heterogeneity of TME macrophages. We identified a subset of F4/80highSca-1+ self-renewing macrophages maintained by type-I interferon (IFN) signaling and requiring physical contact with cancer-associated fibroblasts. We discovered that the contact-dependent self-renewal of TME macrophages is mediated via Notch4, and its inhibition abrogated tumor growth of breast and ovarian carcinomas in vivo, as well as lung dissemination in a PDX model of triple-negative breast cancer (TNBC). Through spatial multi-omic profiling of protein markers and transcriptomes, we found that the localization of macrophages further dictates functionally distinct but reversible phenotypes, regardless of their ontogeny. Whereas immune-stimulatory macrophages (CD11C+CD86+) populated the tumor epithelial nests, the stroma-associated macrophages (SAMs) were proliferative, immunosuppressive (Sca-1+CD206+PD-L1+), resistant to CSF-1R depletion, and associated with worse patient outcomes. Notably, following cessation of CSF-1R depletion, macrophages rebounded primarily to the SAM phenotype, which was associated with accelerated growth of mammary tumors. Our work reveals the spatial determinants of macrophage heterogeneity in breast cancer and highlights the disruption of macrophage self-renewal as a potential new therapeutic strategy.
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Affiliation(s)
- Nir Ben-Chetrit
- Sandra and Edward Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA
- New York Genome Center, New York, NY, USA
- These authors contributed equally
| | - Xiang Niu
- Sandra and Edward Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA
- New York Genome Center, New York, NY, USA
- These authors contributed equally
- Present address: Genentech, Inc., South San Francisco, CA, USA
| | - Jesus Sotelo
- Sandra and Edward Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA
- New York Genome Center, New York, NY, USA
| | - Ariel D. Swett
- Sandra and Edward Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA
- New York Genome Center, New York, NY, USA
| | - Vinagolu K. Rajasekhar
- Orthopedic Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Maria S. Jiao
- Center of Comparative Medicine and Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Caitlin M. Stewart
- Sandra and Edward Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA
- New York Genome Center, New York, NY, USA
| | - Priya Bhardwaj
- Department of Medicine, Weill Cornell Medical College, New York, NY, USA
| | - Sanjay Kottapalli
- Sandra and Edward Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA
- New York Genome Center, New York, NY, USA
| | - Saravanan Ganesan
- Sandra and Edward Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA
- New York Genome Center, New York, NY, USA
| | - Pierre-Louis Loyher
- Immunology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Catherine Potenski
- Sandra and Edward Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA
- New York Genome Center, New York, NY, USA
| | - Assaf Hannuna
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot, Israel
| | - Kristy A. Brown
- Department of Medicine, Weill Cornell Medical College, New York, NY, USA
| | - Neil M. Iyengar
- Department of Medicine, Weill Cornell Medical College, New York, NY, USA
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Dilip D. Giri
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Scott W. Lowe
- Cancer Biology and Genetics Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Howard Hughes Medical Institute, Chevy Chase, MD 20815, USA
| | - John H. Healey
- Center of Comparative Medicine and Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Frederic Geissmann
- Immunology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Irit Sagi
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot, Israel
| | - Johanna A. Joyce
- Department of Oncology and Ludwig Institute for Cancer Research, University of Lausanne, Switzerland
| | - Dan A. Landau
- Sandra and Edward Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA
- New York Genome Center, New York, NY, USA
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35
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Liu Z, Guo X, Zhang W, Wang J, Zhang L, Jing J, Han L, Gao A. Oxidative stress-affected ACSL1 hydroxymethylation triggered benzene hematopoietic toxicity by inflammation and senescence. Food Chem Toxicol 2023; 180:114030. [PMID: 37689099 DOI: 10.1016/j.fct.2023.114030] [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: 05/20/2023] [Revised: 08/02/2023] [Accepted: 09/05/2023] [Indexed: 09/11/2023]
Abstract
Long-term benzene exposure is harmful and causes hematopoietic dysfunction. However, the mechanism of benzene hematopoietic toxicity is still unclear. Acyl-CoA Synthetase Long-Chain Family Member 1 (ACSL1) has been found to participate in the progress of a variety of benign and malignant diseases, but there is no research about its effect on benzene-induced hematopoietic toxicity. Herein, We exposed C57BL/6J mice to benzene to construct an in vivo model. Human peripheral blood mononuclear cells (THP-1 cells) were treated with benzene metabolite 1, 4-BQ to construct an in vitro model. We observed that the ACSL1 expression was upregulated both in vivo and in vitro. Moreover, inhibition of ACSL1 relieved inflammation and senescence development in vitro, suggesting that ACSL1 mediates inflammation and senescence. As for the regulation mechanism of ACSL1 expression, it is closely related to hydroxymethylation modification. This was proved by hydroxymethylated DNA immunoprecipitation (hMeDIP) experiments. Furthermore, oxidative stress influenced the hydroxymethylation process. These results showed that benzene hematopoietic toxicity occurs through the induction of oxidative stress and thus the regulation of ACSL1 hydroxymethylation, which in turn mediates inflammation and senescence. Thus, this study might be of great significance in identifying and preventing benzene exposure in the early stage.
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Affiliation(s)
- Ziyan Liu
- Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, Beijing, 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, PR China
| | - Xiaoli Guo
- Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, Beijing, 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, PR China
| | - Wei Zhang
- Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, Beijing, 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, PR China
| | - Jingyu Wang
- Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, Beijing, 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, PR China
| | - Lei Zhang
- Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, Beijing, 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, PR China
| | - Jiaru Jing
- Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, Beijing, 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, PR China
| | - Lin Han
- Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, Beijing, 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, PR China
| | - Ai Gao
- Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, Beijing, 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, PR China.
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36
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Jassim A, Rahrmann EP, Simons BD, Gilbertson RJ. Cancers make their own luck: theories of cancer origins. Nat Rev Cancer 2023; 23:710-724. [PMID: 37488363 DOI: 10.1038/s41568-023-00602-5] [Citation(s) in RCA: 25] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/20/2023] [Indexed: 07/26/2023]
Abstract
Cancer has been a leading cause of death for decades. This dismal statistic has increased efforts to prevent the disease or to detect it early, when treatment is less invasive, relatively inexpensive and more likely to cure. But precisely how tissues are transformed continues to provoke controversy and debate, hindering cancer prevention and early intervention strategies. Various theories of cancer origins have emerged, including the suggestion that it is 'bad luck': the inevitable consequence of random mutations in proliferating stem cells. In this Review, we discuss the principal theories of cancer origins and the relative importance of the factors that underpin them. The body of available evidence suggests that developing and ageing tissues 'walk a tightrope', retaining adequate levels of cell plasticity to generate and maintain tissues while avoiding overstepping into transformation. Rather than viewing cancer as 'bad luck', understanding the complex choreography of cell intrinsic and extrinsic factors that characterize transformation holds promise to discover effective new ways to prevent, detect and stop cancer before it becomes incurable.
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Affiliation(s)
- Amir Jassim
- CRUK Cambridge Institute, University of Cambridge, Cambridge, UK
| | - Eric P Rahrmann
- CRUK Cambridge Institute, University of Cambridge, Cambridge, UK
| | - Ben D Simons
- Wellcome Trust-Medical Research Council Cambridge Stem Cell Institute, Jeffrey Cheah Biomedical Centre, University of Cambridge, Cambridge, UK
- Department of Applied Mathematics and Theoretical Physics, Centre for Mathematical Sciences, University of Cambridge, Cambridge, UK
| | - Richard J Gilbertson
- CRUK Cambridge Institute, University of Cambridge, Cambridge, UK.
- Department of Oncology, University of Cambridge, Cambridge, UK.
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37
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Shi G, Zhang P, Zhang X, Li J, Zheng X, Yan J, Zhang N, Yang H. The spatiotemporal heterogeneity of the biophysical microenvironment during hematopoietic stem cell development: from embryo to adult. Stem Cell Res Ther 2023; 14:251. [PMID: 37705072 PMCID: PMC10500792 DOI: 10.1186/s13287-023-03464-8] [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: 08/17/2022] [Accepted: 08/22/2023] [Indexed: 09/15/2023] Open
Abstract
Hematopoietic stem cells (HSCs) with the ability to self-renew and differentiate are responsible for maintaining the supply of all types of blood cells. The complex and delicate microenvironment surrounding HSCs is called the HSC niche and can provide physical, chemical, and biological stimuli to regulate the survival, maintenance, proliferation, and differentiation of HSCs. Currently, the exploration of the biophysical regulation of HSCs remains in its infancy. There is evidence that HSCs are susceptible to biophysical stimuli, suggesting that the construction of engineered niche biophysical microenvironments is a promising way to regulate the fate of HSCs in vitro and ultimately contribute to clinical applications. In this review, we introduced the spatiotemporal heterogeneous biophysical microenvironment during HSC development, homeostasis, and malignancy. Furthermore, we illustrated how these biophysical cues contribute to HSC behaviors, as well as the possible mechanotransduction mechanisms from the extracellular microenvironment into cells. Comprehending the important functions of these biophysical regulatory factors will provide novel approaches to resolve clinical problems.
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Affiliation(s)
- Guolin Shi
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, Shaanxi, China
- Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment, Xi'an, Shaanxi, China
- Research Center of Special Environmental Biomechanics & Medical Engineering, Northwestern Polytechnical University, Xi'an, Shaanxi, China
| | - Pan Zhang
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, Shaanxi, China
- Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment, Xi'an, Shaanxi, China
- Research Center of Special Environmental Biomechanics & Medical Engineering, Northwestern Polytechnical University, Xi'an, Shaanxi, China
- School of Food Science and Engineering, Shaanxi University of Science & Technology, Xi'an, China
| | - Xi Zhang
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, Shaanxi, China
- Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment, Xi'an, Shaanxi, China
- Research Center of Special Environmental Biomechanics & Medical Engineering, Northwestern Polytechnical University, Xi'an, Shaanxi, China
| | - Jing Li
- Shaanxi Key Laboratory of Brain Disorders & Institute of Basic and Translational Medicine, Xi'an Medical University, Xi'an, China
| | - Xinmin Zheng
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, Shaanxi, China
- Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment, Xi'an, Shaanxi, China
- Research Center of Special Environmental Biomechanics & Medical Engineering, Northwestern Polytechnical University, Xi'an, Shaanxi, China
| | - Jinxiao Yan
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, Shaanxi, China
- Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment, Xi'an, Shaanxi, China
- Research Center of Special Environmental Biomechanics & Medical Engineering, Northwestern Polytechnical University, Xi'an, Shaanxi, China
| | - Nu Zhang
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, Shaanxi, China
- Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment, Xi'an, Shaanxi, China
- Research Center of Special Environmental Biomechanics & Medical Engineering, Northwestern Polytechnical University, Xi'an, Shaanxi, China
| | - Hui Yang
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, Shaanxi, China.
- Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment, Xi'an, Shaanxi, China.
- Research Center of Special Environmental Biomechanics & Medical Engineering, Northwestern Polytechnical University, Xi'an, Shaanxi, China.
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38
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Handwerk L, Schreier HK, Kraft D, Shreder K, Hemmersbach R, Hauslage J, Bonig H, Wiesmüller L, Fournier C, Rall-Scharpf M. Simulating Space Conditions Evokes Different DNA Damage Responses in Immature and Mature Cells of the Human Hematopoietic System. Int J Mol Sci 2023; 24:13761. [PMID: 37762064 PMCID: PMC10531023 DOI: 10.3390/ijms241813761] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2023] [Revised: 08/31/2023] [Accepted: 09/01/2023] [Indexed: 09/29/2023] Open
Abstract
The impact of space radiation and microgravity on DNA damage responses has been discussed controversially, largely due to the variety of model systems engaged. Here, we performed side-by-side analyses of human hematopoietic stem/progenitor cells (HSPC) and peripheral blood lymphocytes (PBL) cultivated in a 2D clinostat to simulate microgravity before, during and after photon and particle irradiation. We demonstrate that simulated microgravity (SMG) accelerates the early phase of non-homologous end joining (NHEJ)-mediated repair of simple, X-ray-induced DNA double-strand breaks (DSBs) in PBL, while repair kinetics in HSPC remained unaltered. Repair acceleration was lost with increasing LET of ion exposures, which increases the complexity of DSBs, precluding NHEJ and requiring end resection for successful repair. Such cell-type specific effect of SMG on DSB repair was dependent on the NF-кB pathway pre-activated in PBL but not HSPC. Already under unperturbed growth conditions HSPC and PBL suffered from SMG-induced replication stress associated with accumulation of single-stranded DNA and DSBs, respectively. We conclude that in PBL, SMG-induced DSBs promote repair of radiation-induced damage in an adaptive-like response. HSPC feature SMG-induced single-stranded DNA and FANCD2 foci, i.e., markers of persistent replication stress and senescence that may contribute to a premature decline of the immune system in space.
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Affiliation(s)
- Leonie Handwerk
- Department of Biophysics, GSI Helmholtz Center for Heavy Ion Research, 64291 Darmstadt, Germany
| | | | - Daniela Kraft
- Department of Biophysics, GSI Helmholtz Center for Heavy Ion Research, 64291 Darmstadt, Germany
| | - Kateryna Shreder
- Department of Biophysics, GSI Helmholtz Center for Heavy Ion Research, 64291 Darmstadt, Germany
| | - Ruth Hemmersbach
- Department of Gravitational Biology, German Aerospace Center, Institute of Aerospace Medicine, 51147 Cologne, Germany; (R.H.)
| | - Jens Hauslage
- Department of Gravitational Biology, German Aerospace Center, Institute of Aerospace Medicine, 51147 Cologne, Germany; (R.H.)
| | - Halvard Bonig
- Institute for Transfusion Medicine and Immunohematology, Johann Wolfgang Goethe-University Hospital, and German Red Cross Blood Service, Baden-Wuerttemberg–Hessen, 60528 Frankfurt, Germany
| | - Lisa Wiesmüller
- Department of Obstetrics and Gynecology, Ulm University, 89075 Ulm, Germany
| | - Claudia Fournier
- Department of Biophysics, GSI Helmholtz Center for Heavy Ion Research, 64291 Darmstadt, Germany
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39
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Benabid A, Schneider RK. Inflammation drives pressure on TP53 mutant clones in myeloproliferative neoplasms. Nat Genet 2023; 55:1432-1434. [PMID: 37666990 DOI: 10.1038/s41588-023-01479-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/06/2023]
Affiliation(s)
- Adam Benabid
- Oncode Institute, Erasmus MC, Rotterdam, The Netherlands
- Department of Cell and Tumor Biology; Medical Faculty, RWTH Aachen University, Aachen, Germany
| | - Rebekka K Schneider
- Oncode Institute, Erasmus MC, Rotterdam, The Netherlands.
- Department of Cell and Tumor Biology; Medical Faculty, RWTH Aachen University, Aachen, Germany.
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40
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Rubio-Lara JA, Igarashi KJ, Sood S, Johansson A, Sommerkamp P, Yamashita M, Lin DS. Expanding hematopoietic stem cell ex vivo: recent advances and technical considerations. Exp Hematol 2023; 125-126:6-15. [PMID: 37543237 DOI: 10.1016/j.exphem.2023.07.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 07/28/2023] [Accepted: 07/31/2023] [Indexed: 08/07/2023]
Abstract
Hematopoietic stem cells (HSCs) are the most primitive cell type in the hematopoietic hierarchy, which are responsible for sustaining the lifelong production of mature blood and immune cells. Due to their superior long-term regenerative capacity, HSC therapies such as stem cell transplantation have been used in a broad range of hematologic disorders. However, the rarity of this population in vivo considerably limits its clinical applications and large-scale analyses such as screening and safety studies. Therefore, ex vivo culture methods that allow long-term expansion and maintenance of functional HSCs are instrumental in overcoming the difficulties in studying HSC biology and improving HSC therapies. In this perspective, we discuss recent advances and technical considerations for three ex vivo HSC expansion methods including 1) polyvinyl alcohol-based HSC expansion, 2) mesenchymal stromal cell-HSC co-culture, and 3) two-/three-dimensional hydrogel HSC culture. This review summarizes the presentations and discussions from the 2022 International Society for Experimental Hematology (ISEH) Annual Meeting New Investigator Technology Session.
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Affiliation(s)
| | - Kyomi J Igarashi
- Department of Genetics, Stanford University School of Medicine, Stanford, California
| | - Shubhankar Sood
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany; Division of Inflammatory Stress in Stem Cells, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Alban Johansson
- International Research Center for Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Pia Sommerkamp
- European Molecular Biology Laboratory (EMBL), Heidelberg, Germany
| | - Masayuki Yamashita
- Division of Stem Cell and Molecular Medicine, Center for Stem Cell Biology and Regenerative Medicine, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Dawn S Lin
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany; Division of Stem Cells and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany.
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41
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Mansell E, Lin DS, Loughran SJ, Milsom MD, Trowbridge JJ. New insight into the causes, consequences, and correction of hematopoietic stem cell aging. Exp Hematol 2023; 125-126:1-5. [PMID: 37433369 DOI: 10.1016/j.exphem.2023.07.002] [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: 05/02/2023] [Revised: 06/30/2023] [Accepted: 07/03/2023] [Indexed: 07/13/2023]
Abstract
Aging of hematopoietic stem cells (HSCs) is characterized by lineage bias, increased clonal expansion, and functional decrease. At the molecular level, aged HSCs typically display metabolic dysregulation, upregulation of inflammatory pathways, and downregulation of DNA repair pathways. Cellular aging of HSCs, driven by cell-intrinsic and cell-extrinsic factors, causes a predisposition to anemia, adaptive immune compromise, myelodys, plasia, and malignancy. Most hematologic diseases are strongly associated with age. But what is the biological foundation for decreased fitness with age? And are there therapeutic windows to resolve age-related hematopoietic decline? These questions were the focus of the International Society for Experimental Hematology (ISEH) New Investigator Committee Fall 2022 Webinar. This review touches on the latest insights from two leading laboratories into inflammatory- and niche-driven stem cell aging and includes speculation on strategies to prevent or correct age-related decline in HSC function.
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Affiliation(s)
- Els Mansell
- Erasmus MC Hematology, Rotterdam, The Netherlands; Division of Molecular Medicine and Gene Therapy, Lund University, Lund, Sweden.
| | - Dawn S Lin
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM), Heidelberg, Germany; Division of Stem Cells and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Stephen J Loughran
- Wellcome Trust/MRC Stem Cell Institute, University of Cambridge, Cambridge, England, UK
| | - Michael D Milsom
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM), Heidelberg, Germany; Division of Experimental Hematology, German Cancer Research Center (DKFZ), Heidelberg, Germany
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42
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Rodriguez-Meira A, Norfo R, Wen S, Chédeville AL, Rahman H, O'Sullivan J, Wang G, Louka E, Kretzschmar WW, Paterson A, Brierley C, Martin JE, Demeule C, Bashton M, Sousos N, Moralli D, Subha Meem L, Carrelha J, Wu B, Hamblin A, Guermouche H, Pasquier F, Marzac C, Girodon F, Vainchenker W, Drummond M, Harrison C, Chapman JR, Plo I, Jacobsen SEW, Psaila B, Thongjuea S, Antony-Debré I, Mead AJ. Single-cell multi-omics identifies chronic inflammation as a driver of TP53-mutant leukemic evolution. Nat Genet 2023; 55:1531-1541. [PMID: 37666991 PMCID: PMC10484789 DOI: 10.1038/s41588-023-01480-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Accepted: 07/20/2023] [Indexed: 09/06/2023]
Abstract
Understanding the genetic and nongenetic determinants of tumor protein 53 (TP53)-mutation-driven clonal evolution and subsequent transformation is a crucial step toward the design of rational therapeutic strategies. Here we carry out allelic resolution single-cell multi-omic analysis of hematopoietic stem/progenitor cells (HSPCs) from patients with a myeloproliferative neoplasm who transform to TP53-mutant secondary acute myeloid leukemia (sAML). All patients showed dominant TP53 'multihit' HSPC clones at transformation, with a leukemia stem cell transcriptional signature strongly predictive of adverse outcomes in independent cohorts, across both TP53-mutant and wild-type (WT) AML. Through analysis of serial samples, antecedent TP53-heterozygous clones and in vivo perturbations, we demonstrate a hitherto unrecognized effect of chronic inflammation, which suppressed TP53 WT HSPCs while enhancing the fitness advantage of TP53-mutant cells and promoted genetic evolution. Our findings will facilitate the development of risk-stratification, early detection and treatment strategies for TP53-mutant leukemia, and are of broad relevance to other cancer types.
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Affiliation(s)
- Alba Rodriguez-Meira
- Haematopoietic Stem Cell Biology Laboratory, Medical Research Council Molecular Haematology Unit, Medical Research Council Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK.
- NIHR Biomedical Research Centre, University of Oxford, Oxford, UK.
- Department of Cancer Biology, Dana Farber Cancer Institute, Boston, MA, USA.
- Broad Institute, Cambridge, MA, USA.
| | - Ruggiero Norfo
- Haematopoietic Stem Cell Biology Laboratory, Medical Research Council Molecular Haematology Unit, Medical Research Council Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
- NIHR Biomedical Research Centre, University of Oxford, Oxford, UK
- Centre for Regenerative Medicine 'Stefano Ferrari', Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Sean Wen
- Haematopoietic Stem Cell Biology Laboratory, Medical Research Council Molecular Haematology Unit, Medical Research Council Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
- NIHR Biomedical Research Centre, University of Oxford, Oxford, UK
- Medical Research Council Centre for Computational Biology, Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Agathe L Chédeville
- INSERM, UMR 1287, Villejuif, France
- Gustave Roussy, Villejuif, France
- Université Paris Saclay, Gif-sur-Yvette, France
- Université Paris Cité, Paris, France
| | - Haseeb Rahman
- Haematopoietic Stem Cell Biology Laboratory, Medical Research Council Molecular Haematology Unit, Medical Research Council Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
- NIHR Biomedical Research Centre, University of Oxford, Oxford, UK
| | - Jennifer O'Sullivan
- Haematopoietic Stem Cell Biology Laboratory, Medical Research Council Molecular Haematology Unit, Medical Research Council Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
- NIHR Biomedical Research Centre, University of Oxford, Oxford, UK
| | - Guanlin Wang
- Haematopoietic Stem Cell Biology Laboratory, Medical Research Council Molecular Haematology Unit, Medical Research Council Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
- NIHR Biomedical Research Centre, University of Oxford, Oxford, UK
- Medical Research Council Centre for Computational Biology, Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Eleni Louka
- Haematopoietic Stem Cell Biology Laboratory, Medical Research Council Molecular Haematology Unit, Medical Research Council Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
- NIHR Biomedical Research Centre, University of Oxford, Oxford, UK
| | - Warren W Kretzschmar
- Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm, Sweden
- Karolinska University Hospital, Stockholm, Sweden
- Center for Hematology and Regenerative Medicine, Department of Medicine Huddinge, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Aimee Paterson
- Haematopoietic Stem Cell Biology Laboratory, Medical Research Council Molecular Haematology Unit, Medical Research Council Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
- NIHR Biomedical Research Centre, University of Oxford, Oxford, UK
| | - Charlotte Brierley
- Haematopoietic Stem Cell Biology Laboratory, Medical Research Council Molecular Haematology Unit, Medical Research Council Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
- NIHR Biomedical Research Centre, University of Oxford, Oxford, UK
- Center for Hematological Malignancies, Memorial Sloan Kettering Cancer Center, New York City, NY, USA
| | - Jean-Edouard Martin
- INSERM, UMR 1287, Villejuif, France
- Gustave Roussy, Villejuif, France
- Université Paris Saclay, Gif-sur-Yvette, France
- Université Paris Cité, Paris, France
| | | | - Matthew Bashton
- The Hub for Biotechnology in the Built Environment, Faculty of Health and Life Sciences, Northumbria University, Newcastle upon Tyne, UK
| | - Nikolaos Sousos
- Haematopoietic Stem Cell Biology Laboratory, Medical Research Council Molecular Haematology Unit, Medical Research Council Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
- NIHR Biomedical Research Centre, University of Oxford, Oxford, UK
| | | | | | - Joana Carrelha
- Haematopoietic Stem Cell Biology Laboratory, Medical Research Council Molecular Haematology Unit, Medical Research Council Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Bishan Wu
- Haematopoietic Stem Cell Biology Laboratory, Medical Research Council Molecular Haematology Unit, Medical Research Council Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Angela Hamblin
- NIHR Biomedical Research Centre, University of Oxford, Oxford, UK
| | - Helene Guermouche
- Sorbonne Université, INSERM, Centre de Recherche Saint-Antoine, AP-HP, Hôpital Saint-Antoine, Service d'hématologie biologique, Paris, France
| | - Florence Pasquier
- INSERM, UMR 1287, Villejuif, France
- Gustave Roussy, Villejuif, France
- Université Paris Saclay, Gif-sur-Yvette, France
- Département d'Hématologie, Gustave Roussy, Villejuif, France
| | - Christophe Marzac
- INSERM, UMR 1287, Villejuif, France
- Gustave Roussy, Villejuif, France
- Université Paris Saclay, Gif-sur-Yvette, France
- Laboratoire d'Immuno-Hématologie, Gustave Roussy, Villejuif, France
| | - François Girodon
- Laboratoire d'Hématologie, CHU Dijon, Dijon, France
- INSERM, UMR 1231, Centre de Recherche, Dijon, France
| | - William Vainchenker
- INSERM, UMR 1287, Villejuif, France
- Gustave Roussy, Villejuif, France
- Université Paris Saclay, Gif-sur-Yvette, France
| | | | | | - J Ross Chapman
- Genome Integrity Laboratory, Medical Research Council Molecular Haematology Unit, Medical Research Council Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Isabelle Plo
- INSERM, UMR 1287, Villejuif, France
- Gustave Roussy, Villejuif, France
- Université Paris Saclay, Gif-sur-Yvette, France
| | - Sten Eirik W Jacobsen
- Haematopoietic Stem Cell Biology Laboratory, Medical Research Council Molecular Haematology Unit, Medical Research Council Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
- Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm, Sweden
- Karolinska University Hospital, Stockholm, Sweden
- Center for Hematology and Regenerative Medicine, Department of Medicine Huddinge, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Bethan Psaila
- Haematopoietic Stem Cell Biology Laboratory, Medical Research Council Molecular Haematology Unit, Medical Research Council Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
- NIHR Biomedical Research Centre, University of Oxford, Oxford, UK
| | - Supat Thongjuea
- Medical Research Council Centre for Computational Biology, Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Iléana Antony-Debré
- INSERM, UMR 1287, Villejuif, France.
- Gustave Roussy, Villejuif, France.
- Université Paris Saclay, Gif-sur-Yvette, France.
| | - Adam J Mead
- Haematopoietic Stem Cell Biology Laboratory, Medical Research Council Molecular Haematology Unit, Medical Research Council Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK.
- NIHR Biomedical Research Centre, University of Oxford, Oxford, UK.
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Jiménez Peinado P, Urbach A. From Youthful Vigor to Aging Decline: Unravelling the Intrinsic and Extrinsic Determinants of Hippocampal Neural Stem Cell Aging. Cells 2023; 12:2086. [PMID: 37626896 PMCID: PMC10453598 DOI: 10.3390/cells12162086] [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: 06/22/2023] [Revised: 08/15/2023] [Accepted: 08/16/2023] [Indexed: 08/27/2023] Open
Abstract
Since Joseph Altman published his pioneering work demonstrating neurogenesis in the hippocampus of adult rats, the number of publications in this field increased exponentially. Today, we know that the adult hippocampus harbors a pool of adult neural stem cells (NSCs) that are the source of life-long neurogenesis and plasticity. The functions of these NSCs are regulated by extrinsic cues arising from neighboring cells and the systemic environment. However, this tight regulation is subject to imbalance with age, resulting in a decline in adult NSCs and neurogenesis, which contributes to the progressive deterioration of hippocampus-related cognitive functions. Despite extensive investigation, the mechanisms underlying this age-related decline in neurogenesis are only incompletely understood, but appear to include an increase in NSC quiescence, changes in differentiation patterns, and NSC exhaustion. In this review, we summarize recent work that has improved our knowledge of hippocampal NSC aging, focusing on NSC-intrinsic mechanisms as well as cellular and molecular changes in the niche and systemic environment that might be involved in the age-related decline in NSC functions. Additionally, we identify future directions that may advance our understanding of NSC aging and the concomitant loss of hippocampal neurogenesis and plasticity.
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Affiliation(s)
| | - Anja Urbach
- Department of Neurology, Jena University Hospital, 07747 Jena, Germany
- Jena Center for Healthy Aging, Jena University Hospital, 07747 Jena, Germany
- Aging Research Center Jena, Leibniz Institute on Aging, 07745 Jena, Germany
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44
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Yamashita N, Kawahara M, Imai T, Tatsumi G, Asai-Nishishita A, Andoh A. Loss of Nudt15 thiopurine detoxification increases direct DNA damage in hematopoietic stem cells. Sci Rep 2023; 13:11908. [PMID: 37488179 PMCID: PMC10366091 DOI: 10.1038/s41598-023-38952-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Accepted: 07/18/2023] [Indexed: 07/26/2023] Open
Abstract
Thiopurines, such as 6-mercaptopurine (6-MP), are widely used as cytotoxic agents and immunosuppressants for leukemia and autoimmune or inflammatory diseases. A nonsynonymous single nucleotide polymorphism (p.Arg139Cys; R139C) of the nucleoside diphosphate-linked moiety X-type motif 15 (NUDT15) gene causes the loss of thiopurine detoxification, inducing myelosuppression. To understand such hematotoxicity, we investigate the effects of NUDT15 R139C on hematopoietic stem cells (HSCs) upon thiopurine administration. Using previously established Nudt15R138C knock-in mice, which mimic myelosuppression in NUDT15R139C homozygous or heterozygous patients following thiopurine administration, we investigated the numerical changes of HSCs and hematopoietic progenitor cells following 6-MP administration using in vivo flowcytometry and ex vivo HSC expansion. Genes differentially expressed between Nudt15+/+ HSCs and Nudt15R138C/R138C HSCs were identified using RNA-sequencing before the emergence of 6-MP-induced HSC-damage. Gene Ontology (GO) and Transcriptional Regulatory Relationships Unraveled by Sentence-based Text Mining (TRRUST) analyses were performed to elucidate the molecular effects of 6-MP on HSCs. In Nudt15R138C/R138C mice, 6-MP induced exhaustion of HSCs faster than that of multipotent progenitors and as fast as that of myeloid-committed progenitors. Ex vivo-expanded Nudt15R138C/R138C HSCs were dose- and time-dependently damaged by 6-MP. GO analysis identified the DNA damage response and cell cycle process as the most strongly influenced processes in Nudt15R138C/R138C HSCs. TRRUST analysis revealed that the Trp53-regulated transcriptional regulatory network is influenced prior to HSC exhaustion in Nudt15R138C/R138C HSCs. The loss of NUDT15 thiopurine detoxification enhances thiopurine-mediated DNA damage via the Trp53 networks in HSCs. Therefore, caution is required in long-term thiopurine use in patients with NUDT15 R139C in view of its adverse effects on HSCs in the form of DNA damage.
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Affiliation(s)
- Noriaki Yamashita
- Division of Gastroenterology and Hematology, Department of Medicine, Shiga University of Medical Science, Seta-Tsukinowa, Otsu, Shiga, 520-2192, Japan
| | - Masahiro Kawahara
- Division of Gastroenterology and Hematology, Department of Medicine, Shiga University of Medical Science, Seta-Tsukinowa, Otsu, Shiga, 520-2192, Japan.
| | - Takayuki Imai
- Division of Gastroenterology and Hematology, Department of Medicine, Shiga University of Medical Science, Seta-Tsukinowa, Otsu, Shiga, 520-2192, Japan
| | - Goichi Tatsumi
- Division of Gastroenterology and Hematology, Department of Medicine, Shiga University of Medical Science, Seta-Tsukinowa, Otsu, Shiga, 520-2192, Japan
| | - Ai Asai-Nishishita
- Division of Gastroenterology and Hematology, Department of Medicine, Shiga University of Medical Science, Seta-Tsukinowa, Otsu, Shiga, 520-2192, Japan
| | - Akira Andoh
- Division of Gastroenterology and Hematology, Department of Medicine, Shiga University of Medical Science, Seta-Tsukinowa, Otsu, Shiga, 520-2192, Japan
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Wang M, Brandt LTL, Wang X, Russell H, Mitchell E, Kamimae-Lanning AN, Brown JM, Dingler FA, Garaycoechea JI, Isobe T, Kinston SJ, Gu M, Vassiliou GS, Wilson NK, Göttgens B, Patel KJ. Genotoxic aldehyde stress prematurely ages hematopoietic stem cells in a p53-driven manner. Mol Cell 2023; 83:2417-2433.e7. [PMID: 37348497 PMCID: PMC7614878 DOI: 10.1016/j.molcel.2023.05.035] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 04/18/2023] [Accepted: 05/25/2023] [Indexed: 06/24/2023]
Abstract
Aged hematopoietic stem cells (HSCs) display diminished self-renewal and a myeloid differentiation bias. However, the drivers and mechanisms that underpin this fundamental switch are not understood. HSCs produce genotoxic formaldehyde that requires protection by the detoxification enzymes ALDH2 and ADH5 and the Fanconi anemia (FA) DNA repair pathway. We find that the HSCs in young Aldh2-/-Fancd2-/- mice harbor a transcriptomic signature equivalent to aged wild-type HSCs, along with increased epigenetic age, telomere attrition, and myeloid-biased differentiation quantified by single HSC transplantation. In addition, the p53 response is vigorously activated in Aldh2-/-Fancd2-/- HSCs, while p53 deletion rescued this aged HSC phenotype. To further define the origins of the myeloid differentiation bias, we use a GFP genetic reporter to find a striking enrichment of Vwf+ myeloid and megakaryocyte-lineage-biased HSCs. These results indicate that metabolism-derived formaldehyde-DNA damage stimulates the p53 response in HSCs to drive accelerated aging.
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Affiliation(s)
- Meng Wang
- Division of Nutritional Sciences, Cornell University, Ithaca, NY, USA; Wellcome-MRC Cambridge Stem Cell Institute, Jeffrey Cheah Biomedical Centre, University of Cambridge, Cambridge, UK; MRC Laboratory of Molecular Biology, Francis Crick Avenue, Cambridge, UK.
| | - Laura T L Brandt
- MRC Laboratory of Molecular Biology, Francis Crick Avenue, Cambridge, UK
| | - Xiaonan Wang
- Wellcome-MRC Cambridge Stem Cell Institute, Jeffrey Cheah Biomedical Centre, University of Cambridge, Cambridge, UK; School of Public Health, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Holly Russell
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, UK
| | - Emily Mitchell
- Wellcome-MRC Cambridge Stem Cell Institute, Jeffrey Cheah Biomedical Centre, University of Cambridge, Cambridge, UK; Wellcome Sanger Institute, Hinxton, UK
| | - Ashley N Kamimae-Lanning
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, UK
| | - Jill M Brown
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, UK
| | - Felix A Dingler
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, UK
| | - Juan I Garaycoechea
- Hubrecht Institute-KNAW (Royal Netherlands Academy of Arts and Sciences) and University Medical Center, Utrecht, the Netherlands
| | - Tomoya Isobe
- Wellcome-MRC Cambridge Stem Cell Institute, Jeffrey Cheah Biomedical Centre, University of Cambridge, Cambridge, UK
| | - Sarah J Kinston
- Wellcome-MRC Cambridge Stem Cell Institute, Jeffrey Cheah Biomedical Centre, University of Cambridge, Cambridge, UK
| | - Muxin Gu
- Wellcome-MRC Cambridge Stem Cell Institute, Jeffrey Cheah Biomedical Centre, University of Cambridge, Cambridge, UK
| | - George S Vassiliou
- Wellcome-MRC Cambridge Stem Cell Institute, Jeffrey Cheah Biomedical Centre, University of Cambridge, Cambridge, UK
| | - Nicola K Wilson
- Wellcome-MRC Cambridge Stem Cell Institute, Jeffrey Cheah Biomedical Centre, University of Cambridge, Cambridge, UK
| | - Berthold Göttgens
- Wellcome-MRC Cambridge Stem Cell Institute, Jeffrey Cheah Biomedical Centre, University of Cambridge, Cambridge, UK
| | - Ketan J Patel
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, UK.
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Araki D, Chen V, Redekar N, Salisbury-Ruf C, Luo Y, Liu P, Li Y, Smith RH, Dagur P, Combs C, Larochelle A. Post-Transplant Administration of G-CSF Impedes Engraftment of Gene Edited Human Hematopoietic Stem Cells by Exacerbating the p53-Mediated DNA Damage Response. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.06.29.547089. [PMID: 37425704 PMCID: PMC10327043 DOI: 10.1101/2023.06.29.547089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/11/2023]
Abstract
Granulocyte colony stimulating factor (G-CSF) is commonly used as adjunct treatment to hasten recovery from neutropenia following chemotherapy and autologous transplantation of hematopoietic stem and progenitor cells (HSPCs) for malignant disorders. However, the utility of G-CSF administration after ex vivo gene therapy procedures targeting human HSPCs has not been thoroughly evaluated. Here, we provide evidence that post-transplant administration of G-CSF impedes engraftment of CRISPR-Cas9 gene edited human HSPCs in xenograft models. G-CSF acts by exacerbating the p53-mediated DNA damage response triggered by Cas9- mediated DNA double-stranded breaks. Transient p53 inhibition in culture attenuates the negative impact of G-CSF on gene edited HSPC function. In contrast, post-transplant administration of G-CSF does not impair the repopulating properties of unmanipulated human HSPCs or HSPCs genetically engineered by transduction with lentiviral vectors. The potential for post-transplant G-CSF administration to aggravate HSPC toxicity associated with CRISPR-Cas9 gene editing should be considered in the design of ex vivo autologous HSPC gene editing clinical trials.
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Oppezzo A, Monney L, Kilian H, Slimani L, Maczkowiak-Chartois F, Rosselli F. Fanca deficiency is associated with alterations in osteoclastogenesis that are rescued by TNFα. Cell Biosci 2023; 13:115. [PMID: 37355617 DOI: 10.1186/s13578-023-01067-7] [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: 02/21/2023] [Accepted: 06/09/2023] [Indexed: 06/26/2023] Open
Abstract
BACKGROUND Hematopoietic stem cells (HSCs) reside in the bone marrow (BM) niche, which includes bone-forming and bone-resorbing cells, i.e., osteoblasts (OBs) and osteoclasts (OCs). OBs originate from mesenchymal progenitors, while OCs are derived from HSCs. Self-renewal, proliferation and differentiation of HSCs are under the control of regulatory signals generated by OBs and OCs within the BM niche. Consequently, OBs and OCs control both bone physiology and hematopoiesis. Since the human developmental and bone marrow failure genetic syndrome fanconi anemia (FA) presents with skeletal abnormalities, osteoporosis and HSC impairment, we wanted to test the hypothesis that the main pathological abnormalities of FA could be related to a defect in OC physiology and/or in bone homeostasis. RESULTS We revealed here that the intrinsic differentiation of OCs from a Fanca-/- mouse is impaired in vitro due to overactivation of the p53-p21 axis and defects in NF-kB signaling. The OC differentiation abnormalities observed in vitro were rescued by treating Fanca-/- cells with the p53 inhibitor pifithrin-α, by treatment with the proinflammatory cytokine TNFα or by coculturing them with Fanca-proficient or Fanca-deficient osteoblastic cells. CONCLUSIONS Overall, our results highlight an unappreciated role of Fanca in OC differentiation that is potentially circumvented in vivo by the presence of OBs and TNFα in the BM niche.
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Affiliation(s)
- Alessia Oppezzo
- CNRS UMR9019, Équipe labellisée La Ligue contre le Cancer, Gustave Roussy Cancer Campus, 114 rue Edouard Vaillant, 94805, Villejuif, France
- Gustave Roussy Cancer Center, Villejuif, France
- Université Paris Saclay, Orsay, France
- IFOM ETS, The AIRC Institute of Molecular Oncology, Milan, Italy
| | - Lovely Monney
- CNRS UMR9019, Équipe labellisée La Ligue contre le Cancer, Gustave Roussy Cancer Campus, 114 rue Edouard Vaillant, 94805, Villejuif, France
- Gustave Roussy Cancer Center, Villejuif, France
- Université Paris Saclay, Orsay, France
| | - Henri Kilian
- URP2496 Pathologies, Imagerie et Biothérapies Orofaciales et Plateforme Imagerie du Vivant (PIV), FHU-DDS-net, Dental School, Université de Paris, Montrouge, France
| | - Lofti Slimani
- URP2496 Pathologies, Imagerie et Biothérapies Orofaciales et Plateforme Imagerie du Vivant (PIV), FHU-DDS-net, Dental School, Université de Paris, Montrouge, France
| | - Frédérique Maczkowiak-Chartois
- CNRS UMR9019, Équipe labellisée La Ligue contre le Cancer, Gustave Roussy Cancer Campus, 114 rue Edouard Vaillant, 94805, Villejuif, France
- Gustave Roussy Cancer Center, Villejuif, France
- Université Paris Saclay, Orsay, France
| | - Filippo Rosselli
- CNRS UMR9019, Équipe labellisée La Ligue contre le Cancer, Gustave Roussy Cancer Campus, 114 rue Edouard Vaillant, 94805, Villejuif, France.
- Gustave Roussy Cancer Center, Villejuif, France.
- Université Paris Saclay, Orsay, France.
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48
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Luo Y, Xiao JH. Inflammatory auxo-action in the stem cell division theory of cancer. PeerJ 2023; 11:e15444. [PMID: 37309372 PMCID: PMC10257902 DOI: 10.7717/peerj.15444] [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: 01/04/2023] [Accepted: 05/01/2023] [Indexed: 06/14/2023] Open
Abstract
Acute inflammation is a beneficial response to the changes caused by pathogens or injuries that can eliminate the source of damage and restore homeostasis in damaged tissues. However, chronic inflammation causes malignant transformation and carcinogenic effects of cells through continuous exposure to pro-inflammatory cytokines and activation of inflammatory signaling pathways. According to the theory of stem cell division, the essential properties of stem cells, including long life span and self-renewal, make them vulnerable to accumulating genetic changes that can lead to cancer. Inflammation drives quiescent stem cells to enter the cell cycle and perform tissue repair functions. However, as cancer likely originates from DNA mutations that accumulate over time via normal stem cell division, inflammation may promote cancer development, even before the stem cells become cancerous. Numerous studies have reported that the mechanisms of inflammation in cancer formation and metastasis are diverse and complex; however, few studies have reviewed how inflammation affects cancer formation from the stem cell source. Based on the stem cell division theory of cancer, this review summarizes how inflammation affects normal stem cells, cancer stem cells, and cancer cells. We conclude that chronic inflammation leads to persistent stem cells activation, which can accumulate DNA damage and ultimately promote cancer. Additionally, inflammation not only facilitates the progression of stem cells into cancer cells, but also plays a positive role in cancer metastasis.
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Affiliation(s)
- Yi Luo
- Institute of Medicinal Biotechnology, Affiliated Hospital of Zunyi Medical University, Zunyi, China
- Zunyi Municipal Key Laboratory of Medicinal Biotechnology & Guizhou Provincial Research Center for Translational Medicine, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Jian-Hui Xiao
- Institute of Medicinal Biotechnology, Affiliated Hospital of Zunyi Medical University, Zunyi, China
- Zunyi Municipal Key Laboratory of Medicinal Biotechnology & Guizhou Provincial Research Center for Translational Medicine, Affiliated Hospital of Zunyi Medical University, Zunyi, China
- Department of Gynaecology and Obstetrics, Affiliated Hospital of Zunyi Medical University, Zunyi, China
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49
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Thapa R, Elfassy E, Olender L, Sharabi O, Gazit R. Rapid activation of hematopoietic stem cells. Stem Cell Res Ther 2023; 14:152. [PMID: 37280691 DOI: 10.1186/s13287-023-03377-6] [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: 11/07/2022] [Accepted: 05/11/2023] [Indexed: 06/08/2023] Open
Abstract
Adult hematopoietic stem cells (HSCs) in the bone marrow (BM) are quiescent. Following perturbations, such as blood loss or infection, HSCs may undergo activation. Surprisingly, little is known about the earliest stages of HSCs activation. We utilize surface markers of HSCs activation, CD69 and CD317, revealing a response as early as 2 h after stimulation. The dynamic expression of HSCs activation markers varies between viral-like (poly-Inosinic-poly-Cytidylic) or bacterial-like (Lipopolysaccharide) immune stimuli. We further quantify dose response, revealing a low threshold, and similar sensitivity of HSCs and progenitors in the BM. Finally, we find a positive correlation between the expression of surface activation markers and early exit from quiescence. Our data show that the response of adult stem cells to immune stimulation is rapid and sensitive, rapidly leading HSCs out of quiescence.
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Affiliation(s)
- Roshina Thapa
- The Shraga Segal Department of Microbiology, Immunology, and Genetics, Faculty of Health Sciences, National Institute for Biotechnology in the Negev, The Ben-Gurion University of the Negev, 84105, Beer Sheva, Israel
| | - Erez Elfassy
- The Shraga Segal Department of Microbiology, Immunology, and Genetics, Faculty of Health Sciences, National Institute for Biotechnology in the Negev, The Ben-Gurion University of the Negev, 84105, Beer Sheva, Israel.
| | - Leonid Olender
- The Shraga Segal Department of Microbiology, Immunology, and Genetics, Faculty of Health Sciences, National Institute for Biotechnology in the Negev, The Ben-Gurion University of the Negev, 84105, Beer Sheva, Israel
| | - Omri Sharabi
- The Shraga Segal Department of Microbiology, Immunology, and Genetics, Faculty of Health Sciences, National Institute for Biotechnology in the Negev, The Ben-Gurion University of the Negev, 84105, Beer Sheva, Israel
| | - Roi Gazit
- The Shraga Segal Department of Microbiology, Immunology, and Genetics, Faculty of Health Sciences, National Institute for Biotechnology in the Negev, The Ben-Gurion University of the Negev, 84105, Beer Sheva, Israel.
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50
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Jang G, Contreras Castillo S, Esteva E, Upadhaya S, Feng J, Adams NM, Richard E, Awatramani R, Sawai CM, Reizis B. Stem cell decoupling underlies impaired lymphoid development during aging. Proc Natl Acad Sci U S A 2023; 120:e2302019120. [PMID: 37216517 PMCID: PMC10236001 DOI: 10.1073/pnas.2302019120] [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: 02/07/2023] [Accepted: 04/20/2023] [Indexed: 05/24/2023] Open
Abstract
Mammalian aging is associated with multiple defects of hematopoiesis, most prominently with the impaired development of T and B lymphocytes. This defect is thought to originate in hematopoietic stem cells (HSCs) of the bone marrow, specifically due to the age-dependent accumulation of HSCs with preferential megakaryocytic and/or myeloid potential ("myeloid bias"). Here, we tested this notion using inducible genetic labeling and tracing of HSCs in unmanipulated animals. We found that the endogenous HSC population in old mice shows reduced differentiation into all lineages including lymphoid, myeloid, and megakaryocytic. Single-cell RNA sequencing and immunophenotyping (CITE-Seq) showed that HSC progeny in old animals comprised balanced lineage spectrum including lymphoid progenitors. Lineage tracing using the aging-induced HSC marker Aldh1a1 confirmed the low contribution of old HSCs across all lineages. Competitive transplantations of total bone marrow cells with genetically marked HSCs revealed that the contribution of old HSCs was reduced, but compensated by other donor cells in myeloid cells but not in lymphocytes. Thus, the HSC population in old animals becomes globally decoupled from hematopoiesis, which cannot be compensated in lymphoid lineages. We propose that this partially compensated decoupling, rather than myeloid bias, is the primary cause of the selective impairment of lymphopoiesis in older mice.
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Affiliation(s)
- Geunhyo Jang
- Department of Pathology, New York University Grossman School of Medicine, New York, NY10016
| | | | - Eduardo Esteva
- Department of Pathology, New York University Grossman School of Medicine, New York, NY10016
- Applied Bioinformatics Laboratories, New York University Grossman School of Medicine, New York, NY10016
| | - Samik Upadhaya
- Department of Pathology, New York University Grossman School of Medicine, New York, NY10016
| | - Jue Feng
- Department of Pathology, New York University Grossman School of Medicine, New York, NY10016
| | - Nicholas M. Adams
- Department of Pathology, New York University Grossman School of Medicine, New York, NY10016
| | - Elodie Richard
- INSERM Unit 1312 Bordeaux Institute of Oncology, University of Bordeaux33076Bordeaux, France
| | - Rajeshwar Awatramani
- Department of Neurology, Feinberg School of Medicine, Northwestern University, Chicago, IL60611
| | - Catherine M. Sawai
- INSERM Unit 1312 Bordeaux Institute of Oncology, University of Bordeaux33076Bordeaux, France
| | - Boris Reizis
- Department of Pathology, New York University Grossman School of Medicine, New York, NY10016
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