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Johansson A, Khalilnezhad A, Takizawa H, Mizuno H, Suda T, Umemoto T. Mobilization dynamics of bone marrow hematopoietic stem cells during hematopoietic regeneration. Exp Hematol 2024:104281. [PMID: 39009278 DOI: 10.1016/j.exphem.2024.104281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Revised: 06/24/2024] [Accepted: 07/02/2024] [Indexed: 07/17/2024]
Abstract
Under stress hematopoiesis, previous studies have suggested the migration of hematopoietic stem cells (HSCs) from bone marrow (BM) to extramedullary sites such as the spleen. However, there is little direct evidence of HSC migration from the BM to the spleen. Here, we induced myeloablation via 5-fluorouracil (5-FU) and showed direct evidence of HSC migration from BM to spleen during hematopoietic regeneration via a photoconvertible fluorophore. Moreover, during steady state, HSCs preferentially migrated to BM rather than spleen, but during hematopoietic regeneration, HSCs preferred to spleen as a migration site equivalently or greater. Furthermore, in the early phase, HSCs egressed from BM through the attenuated HSC retention. However, HSCs in the late phase gained significantly enhanced cell-autonomous motility, which was independent of chemotaxis. Collectively, HSC mobilization from BM before the migration to the spleen was dynamically changed from passive to active events during hematopoietic regeneration.
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Affiliation(s)
- Alban Johansson
- Laboratory of Hematopoietic Stem Cell Engineering, International Research Center for Medical Sciences, Kumamoto University, Chuo-Ku, Kumamoto, Japan; Laboratory of Stem Cell Stress, International Research Center for Medical Sciences, Kumamoto University, Chuo Ward, Kumamoto, Japan
| | - Ahad Khalilnezhad
- Department of Neurology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA
| | - Hitoshi Takizawa
- Laboratory of Stem Cell Stress, International Research Center for Medical Sciences, Kumamoto University, Chuo Ward, Kumamoto, Japan; Center for Metabolic Regulation of Healthy Aging, Kumamoto UniversityKumamoto, Japan
| | - Hidenobu Mizuno
- Laboratory of Multi-dimensional imaging, International Research Center for Medical Sciences, Kumamoto University, Chuo Ward, Kumamoto, Japan
| | - Toshio Suda
- Laboratory of Stem Cell Regulation, International Research Center for Medical Sciences, Kumamoto University, Chuo Ward, Kumamoto, Japan; Cancer Science Institute of Singapore, National University of Singapore, Singapore
| | - Terumasa Umemoto
- Laboratory of Hematopoietic Stem Cell Engineering, International Research Center for Medical Sciences, Kumamoto University, Chuo-Ku, Kumamoto, Japan.
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Xu H, Tan S, Zhao Y, Zhang L, Cao W, Li X, Tian J, Wang X, Li X, Wang F, Cao J, Zhao T. Lin - PU.1 dim GATA-1 - defines haematopoietic stem cells with long-term multilineage reconstitution activity. Cell Prolif 2023; 56:e13490. [PMID: 37147872 PMCID: PMC10623959 DOI: 10.1111/cpr.13490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 04/10/2023] [Accepted: 04/15/2023] [Indexed: 05/07/2023] Open
Abstract
Despite extensive characterization of the state and function of haematopoietic stem cells (HSCs), the use of transcription factors to define the HSC population is still limited. We show here that the HSC population in mouse bone marrow can be defined by the distinct expression levels of Spi1 and Gata1. By using a double fluorescence knock-in mouse model, PGdKI, in which the expression levels of PU.1 and GATA-1 are indicated by the expression of GFP and mCherry, respectively, we uncover that the HSCs with lymphoid and myeloid repopulating activity are specifically enriched in a Lin- PU.1dim GATA-1- (LPG) cell subset. In vivo competitive repopulation assays demonstrate that bone marrow cells gated by LPG exhibit haematopoietic reconstitution activity which is comparable to that of classical Lin- Sca1+ c-kit+ (LSK). The integrated analysis of single-cell RNA sequence data from LPG and LSK-gated cells reveals that a transcriptional network governed by core TFs contributes to regulation of HSC multipotency. These discoveries provide new clues for HSC characterization and functional study.
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Affiliation(s)
- Haoyu Xu
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute for Stem Cell and Regeneration, Institute of ZoologyChinese Academy of SciencesBeijingChina
- Beijing Institute for Stem Cell and Regenerative MedicineBeijingChina
- University of Chinese Academy of SciencesBeijingChina
| | - Shaojing Tan
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute for Stem Cell and Regeneration, Institute of ZoologyChinese Academy of SciencesBeijingChina
- Beijing Institute for Stem Cell and Regenerative MedicineBeijingChina
- University of Chinese Academy of SciencesBeijingChina
| | - Yu Zhao
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute for Stem Cell and Regeneration, Institute of ZoologyChinese Academy of SciencesBeijingChina
- Beijing Institute for Stem Cell and Regenerative MedicineBeijingChina
- University of Chinese Academy of SciencesBeijingChina
| | - Lin Zhang
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute for Stem Cell and Regeneration, Institute of ZoologyChinese Academy of SciencesBeijingChina
- Beijing Institute for Stem Cell and Regenerative MedicineBeijingChina
- University of Chinese Academy of SciencesBeijingChina
| | - Weiyun Cao
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute for Stem Cell and Regeneration, Institute of ZoologyChinese Academy of SciencesBeijingChina
- Beijing Institute for Stem Cell and Regenerative MedicineBeijingChina
- University of Chinese Academy of SciencesBeijingChina
| | - Xing Li
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute for Stem Cell and Regeneration, Institute of ZoologyChinese Academy of SciencesBeijingChina
- Beijing Institute for Stem Cell and Regenerative MedicineBeijingChina
- University of Chinese Academy of SciencesBeijingChina
| | - Jiayi Tian
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute for Stem Cell and Regeneration, Institute of ZoologyChinese Academy of SciencesBeijingChina
- Beijing Institute for Stem Cell and Regenerative MedicineBeijingChina
- University of Chinese Academy of SciencesBeijingChina
| | - Xiaojing Wang
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute for Stem Cell and Regeneration, Institute of ZoologyChinese Academy of SciencesBeijingChina
- Beijing Institute for Stem Cell and Regenerative MedicineBeijingChina
- University of Chinese Academy of SciencesBeijingChina
| | - Xiaoyan Li
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute for Stem Cell and Regeneration, Institute of ZoologyChinese Academy of SciencesBeijingChina
- University of Chinese Academy of SciencesBeijingChina
| | - Fengchao Wang
- National Institute of Biological Sciences (NIBS)BeijingChina
| | - Jiani Cao
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute for Stem Cell and Regeneration, Institute of ZoologyChinese Academy of SciencesBeijingChina
- Beijing Institute for Stem Cell and Regenerative MedicineBeijingChina
- University of Chinese Academy of SciencesBeijingChina
| | - Tongbiao Zhao
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute for Stem Cell and Regeneration, Institute of ZoologyChinese Academy of SciencesBeijingChina
- Beijing Institute for Stem Cell and Regenerative MedicineBeijingChina
- University of Chinese Academy of SciencesBeijingChina
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3
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Yang L, Lu Y, Zhang Z, Chen Y, Chen N, Chen F, Qi Y, Han C, Xu Y, Chen M, Shen M, Wang S, Zeng H, Su Y, Hu M, Wang J. Oxymatrine boosts hematopoietic regeneration by modulating MAPK/ERK phosphorylation after irradiation-induced hematopoietic injury. Exp Cell Res 2023; 427:113603. [PMID: 37075826 DOI: 10.1016/j.yexcr.2023.113603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 04/04/2023] [Accepted: 04/16/2023] [Indexed: 04/21/2023]
Abstract
Hematopoietic toxicity due to ionizing radiation (IR) is a leading cause of death in nuclear incidents, occupational hazards, and cancer therapy. Oxymatrine (OM), an extract originating from the root of Sophora flavescens (Kushen), possesses extensive pharmacological properties. In this study, we demonstrate that OM treatment accelerates hematological recovery and increases the survival rate of mice subjected to irradiation. This outcome is accompanied by an increase in functional hematopoietic stem cells (HSCs), resulting in an enhanced hematopoietic reconstitution ability. Mechanistically, we observed significant activation of the MAPK signaling pathway, accelerated cellular proliferation, and decreased cell apoptosis. Notably, we identified marked increases in the cell cycle transcriptional regulator Cyclin D1 (Ccnd1) and the anti-apoptotic protein BCL2 in HSC after OM treatment. Further investigation revealed that the expression of Ccnd1 transcript and BCL2 levels were reversed upon specific inhibition of ERK1/2 phosphorylation, effectively negating the rescuing effect of OM. Moreover, we determined that targeted inhibition of ERK1/2 activation significantly counteracted the regenerative effect of OM on human HSCs. Taken together, our results suggest a crucial role for OM in hematopoietic reconstitution following IR via MAPK signaling pathway-mediated mechanisms, providing theoretical support for innovative therapeutic applications of OM in addressing IR-induced injuries in humans.
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Affiliation(s)
- Lijing Yang
- State Key Laboratory of Trauma, Burns and Combined Injury, Institute of Combined Injury, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China.
| | - Yukai Lu
- State Key Laboratory of Trauma, Burns and Combined Injury, Institute of Combined Injury, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China.
| | - Zihao Zhang
- State Key Laboratory of Trauma, Burns and Combined Injury, Institute of Combined Injury, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China.
| | - Yin Chen
- Department of Gynaecology and Obstetrics, 958 Hospital of PLA Army, Chongqing, 400038, China.
| | - Naicheng Chen
- State Key Laboratory of Trauma, Burns and Combined Injury, Institute of Combined Injury, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China.
| | - Fang Chen
- State Key Laboratory of Trauma, Burns and Combined Injury, Institute of Combined Injury, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China.
| | - Yan Qi
- Department of Hematology, Daping Hospital, Third Military Medical University, Chongqing, 400038, China.
| | - Changhao Han
- Department of Hematology, Daping Hospital, Third Military Medical University, Chongqing, 400038, China.
| | - Yang Xu
- State Key Laboratory of Trauma, Burns and Combined Injury, Institute of Combined Injury, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China.
| | - Mo Chen
- State Key Laboratory of Trauma, Burns and Combined Injury, Institute of Combined Injury, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China.
| | - Mingqiang Shen
- State Key Laboratory of Trauma, Burns and Combined Injury, Institute of Combined Injury, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China.
| | - Song Wang
- State Key Laboratory of Trauma, Burns and Combined Injury, Institute of Combined Injury, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China.
| | - Hao Zeng
- State Key Laboratory of Trauma, Burns and Combined Injury, Institute of Combined Injury, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China.
| | - Yongping Su
- State Key Laboratory of Trauma, Burns and Combined Injury, Institute of Combined Injury, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China.
| | - Mengjia Hu
- State Key Laboratory of Trauma, Burns and Combined Injury, Institute of Combined Injury, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China; Chinese PLA Center for Disease Control and Prevention, No. 20 Dongda Street, Fengtai District, Beijing, 100071, China.
| | - Junping Wang
- State Key Laboratory of Trauma, Burns and Combined Injury, Institute of Combined Injury, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China.
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Zhang T, Mo Q, Jiang N, Wu Y, Yang X, Chen W, Li Q, Yang S, Yang J, Zeng J, Huang F, Huang Q, Luo J, Wu J, Wang L. The combination of machine learning and transcriptomics reveals a novel megakaryopoiesis inducer, MO-A, that promotes thrombopoiesis by activating FGF1/FGFR1/PI3K/Akt/NF-κB signaling. Eur J Pharmacol 2023; 944:175604. [PMID: 36804544 DOI: 10.1016/j.ejphar.2023.175604] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 01/20/2023] [Accepted: 02/16/2023] [Indexed: 02/19/2023]
Abstract
Radiation-induced thrombocytopenia (RIT) occurs widely and causes high mortality and morbidity in cancer patients who receive radiotherapy. However, specific drugs for treating RIT remain woefully inadequate. Here, we first developed a drug screening model using naive Bayes, a machine learning (ML) algorithm, to virtually screen the active compounds promoting megakaryopoiesis and thrombopoiesis. A natural product library was screened by the model, and methylophiopogonanone A (MO-A) was identified as the most active compound. The activity of MO-A was then validated in vitro and showed that MO-A could markedly induce megakaryocyte (MK) differentiation of K562 and Meg-01 cells in a concentration-dependent manner. Furthermore, the therapeutic action of MO-A on RIT was evaluated, and MO-A significantly accelerated platelet level recovery, platelet activation, megakaryopoiesis, MK differentiation in RIT mice. Moreover, RNA-sequencing (RNA-seq) indicated that the PI3K cascade was closely related to MK differentiation induced by MO-A. Finally, experimental verification demonstrated that MO-A obviously induced the expression of FGF1 and FGFR1, and increased the phosphorylation of PI3K, Akt and NF-κB. Blocking FGFR1 with its inhibitor dovitinib suppressed MO-A-induced MK differentiation, and PI3K, Akt and NF-κB phosphorylation. Similarly, inhibition of PI3K-Akt signal pathway by its inhibitor LY294002 suppressed MK differentiation, and PI3K, Akt and NF-κB phosphorylation induced by MO-A. Taken together, our study provides an efficient drug discovery strategy for hematological diseases, and demonstrates that MO-A is a novel countermeasure for treating RIT through activation of the FGF1/FGFR1/PI3K/Akt/NF-κB signaling pathway.
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Affiliation(s)
- Ting Zhang
- Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, 646000, China
| | - Qi Mo
- Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, 646000, China
| | - Nan Jiang
- Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, 646000, China
| | - Yuesong Wu
- Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, 646000, China
| | - Xin Yang
- Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, 646000, China
| | - Wang Chen
- Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, 646000, China
| | - Qinyao Li
- Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, 646000, China
| | - Shuo Yang
- Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, 646000, China
| | - Jing Yang
- Department of Pharmacy, Chengdu Fifth People's Hospital, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, 611137, China
| | - Jing Zeng
- Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, 646000, China
| | - Feihong Huang
- Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, 646000, China
| | - Qianqian Huang
- Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, 646000, China
| | - Jiesi Luo
- Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, 646000, China.
| | - Jianming Wu
- Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, 646000, China; School of Basic Medical Sciences, Southwest Medical University, Luzhou, Sichuan, 646000, China; Education Ministry Key Laboratory of Medical Electrophysiology, Sichuan Key Medical Laboratory of New Drug Discovery and Druggability Evaluation, Luzhou Key Laboratory of Activity Screening and Druggability Evaluation for Chinese Materia Medica, Southwest Medical University, Luzhou, Sichuan, 646000, China.
| | - Long Wang
- Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, 646000, China.
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Pinho S, Zhao M. Hematopoietic Stem Cells and Their Bone Marrow Niches. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1442:17-28. [PMID: 38228956 PMCID: PMC10881178 DOI: 10.1007/978-981-99-7471-9_2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2024]
Abstract
Hematopoietic stem cells (HSCs) are maintained in the bone marrow microenvironment, also known as the niche, that regulates their proliferation, self-renewal, and differentiation. In this chapter, we will introduce the history of HSC niche research and review the interdependencies between HSCs and their niches. We will further highlight recent advances in our understanding of HSC heterogeneity with regard to HSC subpopulations and their interacting cellular and molecular bone marrow niche constituents.
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Affiliation(s)
- Sandra Pinho
- Department of Pharmacology & Regenerative Medicine, College of Medicine, University of Illinois at Chicago, Chicago, IL, USA.
| | - Meng Zhao
- Key Laboratory of Stem Cells and Tissue Engineering (Ministry of Education), Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, China.
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Steenbrugge J, Bellemans J, Vander Elst N, Demeyere K, De Vliegher J, Perera T, De Wever O, Van Den Broeck W, De Spiegelaere W, Sanders NN, Meyer E. One cisplatin dose provides durable stimulation of anti-tumor immunity and alleviates anti-PD-1 resistance in an intraductal model for triple-negative breast cancer. Oncoimmunology 2022; 11:2103277. [PMID: 35898705 PMCID: PMC9311321 DOI: 10.1080/2162402x.2022.2103277] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Aggressive triple-negative breast cancer (TNBC) is classically treated with chemotherapy. Besides direct tumor cell killing, some chemotherapeutics such as cisplatin provide additional disease reduction through stimulation of anti-tumor immunity. The cisplatin-induced immunomodulation in TNBC was here investigated in-depth using immunocompetent intraductal mouse models. Upon primary tumor transition to invasive carcinoma, cisplatin was injected systemically and significantly reduced tumor progression. Flow cytometric immunophenotyping was corroborated by immunohistochemical analyses and revealed both differential immune cell compositions and positivity for their programmed death (PD)-1 and PD-ligand (L)1 markers across body compartments, including the primary tumor, axillary lymph nodes and spleen. As key findings, a significant decrease in immunosuppressive and a concomitant increase in anti-tumor lymphocytic cell numbers were observed in the axillary lymph nodes and spleen, highlighting their importance in cisplatin-stimulated anti-tumor immunity. These immunomodulatory effects were already established following the first cisplatin dose, indicating that early cisplatin-mediated events may determine (immuno)therapeutic outcome. Furthermore, a single cisplatin dose sufficed to alleviate anti-PD-1 resistance in a 4T1-based model, providing add-on disease reduction without toxic side effects as seen upon multiple cisplatin dosing. Overall, these results highlight cisplatin as immunotherapeutic ally in TNBC, providing durable immunostimulation, even after a single dose.
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Affiliation(s)
- Jonas Steenbrugge
- Laboratory of Biochemistry, Department of Veterinary and Biosciences, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
- Cancer Research Institute Ghent (CRIG), Ghent, Belgium
| | - Julie Bellemans
- Laboratory of Biochemistry, Department of Veterinary and Biosciences, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Niels Vander Elst
- Laboratory of Biochemistry, Department of Veterinary and Biosciences, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Kristel Demeyere
- Laboratory of Biochemistry, Department of Veterinary and Biosciences, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Josephine De Vliegher
- Laboratory of Biochemistry, Department of Veterinary and Biosciences, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | | | - Olivier De Wever
- Cancer Research Institute Ghent (CRIG), Ghent, Belgium
- Laboratory of Experimental Cancer Research, Department of Human Structure and Repair, Ghent University, Ghent, Belgium
| | - Wim Van Den Broeck
- Department of Morphology, Imaging, Orthopedics, Rehabilitation and Nutrition, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Ward De Spiegelaere
- Cancer Research Institute Ghent (CRIG), Ghent, Belgium
- Department of Morphology, Imaging, Orthopedics, Rehabilitation and Nutrition, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Niek N. Sanders
- Cancer Research Institute Ghent (CRIG), Ghent, Belgium
- Laboratory of Gene Therapy, Department of Veterinary and Biosciences, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Evelyne Meyer
- Laboratory of Biochemistry, Department of Veterinary and Biosciences, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
- Cancer Research Institute Ghent (CRIG), Ghent, Belgium
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Zhan H, Kaushansky K. Megakaryocytes as the Regulator of the Hematopoietic Vascular Niche. Front Oncol 2022; 12:912060. [PMID: 35814384 PMCID: PMC9258777 DOI: 10.3389/fonc.2022.912060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Accepted: 05/09/2022] [Indexed: 11/13/2022] Open
Abstract
Megakaryocytes (MKs) are important components of the hematopoietic niche. Compared to the non-hematopoietic niche cells, MKs serving as part of the hematopoietic niche provides a mechanism for feedback regulation of hematopoietic stem cells (HSCs), in which HSC progeny (MKs) can modulate HSC adaptation to hematopoietic demands during both steady-state and stress hematopoiesis. MKs are often located adjacent to marrow sinusoids. Considering that most HSCs reside close to a marrow vascular sinusoid, as do MKs, the interactions between MKs and vascular endothelial cells are positioned to play important roles in modulating HSC function, and by extrapolation, might be dysregulated in various disease states. In this review, we discuss the interactions between MKs and the vascular niche in both normal and neoplastic hematopoiesis.
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Affiliation(s)
- Huichun Zhan
- Department of Medicine, Stony Brook School of Medicine, Stony Brook, NY, United States
- Medical Service, Northport Veterans Affairs (VA) Medical Center, Northport, NY, United States
- *Correspondence: Huichun Zhan,
| | - Kenneth Kaushansky
- Department of Medicine, Stony Brook School of Medicine, Stony Brook, NY, United States
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Current insights into the bone marrow niche: From biology in vivo to bioengineering ex vivo. Biomaterials 2022; 286:121568. [DOI: 10.1016/j.biomaterials.2022.121568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 04/26/2022] [Accepted: 05/03/2022] [Indexed: 11/21/2022]
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Lee S, Wong H, Castiglione M, Murphy M, Kaushansky K, Zhan H. JAK2V617F Mutant Megakaryocytes Contribute to Hematopoietic Aging in a Murine Model of Myeloproliferative Neoplasm. Stem Cells 2022; 40:359-370. [PMID: 35260895 PMCID: PMC9199841 DOI: 10.1093/stmcls/sxac005] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Accepted: 01/03/2022] [Indexed: 11/13/2022]
Abstract
Megakaryocytes (MKs) is an important component of the hematopoietic niche. Abnormal MK hyperplasia is a hallmark feature of myeloproliferative neoplasms (MPNs). The JAK2V617F mutation is present in hematopoietic cells in a majority of patients with MPNs. Using a murine model of MPN in which the human JAK2V617F gene is expressed in the MK lineage, we show that the JAK2V617F-bearing MKs promote hematopoietic stem cell (HSC) aging, manifesting as myeloid-skewed hematopoiesis with an expansion of CD41+ HSCs, a reduced engraftment and self-renewal capacity, and a reduced differentiation capacity. HSCs from 2-year-old mice with JAK2V617F-bearing MKs were more proliferative and less quiescent than HSCs from age-matched control mice. Examination of the marrow hematopoietic niche reveals that the JAK2V617F-bearing MKs not only have decreased direct interactions with hematopoietic stem/progenitor cells during aging but also suppress the vascular niche function during aging. Unbiased RNA expression profiling reveals that HSC aging has a profound effect on MK transcriptomic profiles, while targeted cytokine array shows that the JAK2V617F-bearing MKs can alter the hematopoietic niche through increased levels of pro-inflammatory and anti-angiogenic factors. Therefore, as a hematopoietic niche cell, MKs represent an important connection between the extrinsic and intrinsic mechanisms for HSC aging.
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Affiliation(s)
- Sandy Lee
- Graduate Program in Molecular & Cellular Pharmacology, Stony Brook University, Stony Brook, NY, USA
| | - Helen Wong
- New York Institute of Technology College of Osteopathic Medicine, Glen Head, NY, USA
| | | | | | - Kenneth Kaushansky
- Department of Medicine, Stony Brook School of Medicine, Stony Brook, NY, USA
| | - Huichun Zhan
- Department of Medicine, Stony Brook School of Medicine, Stony Brook, NY, USA
- Medical Service, Northport VA Medical Center, Northport, NY, USA
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Endothelial cell-derived angiopoietin-like protein 2 supports hematopoietic stem cell activities in bone marrow niches. Blood 2021; 139:1529-1540. [PMID: 34929029 PMCID: PMC9015010 DOI: 10.1182/blood.2021011644] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Accepted: 12/11/2021] [Indexed: 11/20/2022] Open
Abstract
Endothelial cell-derived ANGPTL2 is important for the maintenance of HSC activities in bone marrow niches. ANGPTL2-mediated signaling pathways enhance PPARδ expression to transactivate G0s2 to sustain HSC activities.
Bone marrow niche cells have been reported to fine-tune hematopoietic stem cell (HSC) stemness via direct interaction or secreted components. Nevertheless, how niche cells control HSC activities remains largely unknown. We previously showed that angiopoietin-like protein 2 (ANGPTL2) can support the ex vivo expansion of HSCs by binding to human leukocyte immunoglobulin-like receptor B2. However, how ANGPTL2 from specific niche cell types regulates HSC activities under physiological conditions is still not clear. Herein, we generated an Angptl2-flox/flox transgenic mouse line and conditionally deleted Angptl2 expression in several niche cells, including Cdh5+ or Tie2+ endothelial cells, Prx1+ mesenchymal stem cells, and Pf4+ megakaryocytes, to evaluate its role in the regulation of HSC fate. Interestingly, we demonstrated that only endothelial cell-derived ANGPTL2 and not ANGPTL2 from other niche cell types plays important roles in supporting repopulation capacity, quiescent status, and niche localization. Mechanistically, ANGPTL2 enhances peroxisome-proliferator-activated receptor D (PPARD) expression to transactivate G0s2 to sustain the perinuclear localization of nucleolin to prevent HSCs from entering the cell cycle. These findings reveal that endothelial cell-derived ANGPTL2 serves as a critical niche component to maintain HSC stemness, which may benefit the understanding of stem cell biology in bone marrow niches and the development of a unique strategy for the ex vivo expansion of HSCs.
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11
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Sweeney R, Esmail F, Mirza KM, Nand S. Hypercellular bone marrow in aplastic anemia: A case report of two patients. Clin Case Rep 2021; 9:e04845. [PMID: 34853682 PMCID: PMC8612008 DOI: 10.1002/ccr3.4845] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 06/30/2021] [Accepted: 08/29/2021] [Indexed: 01/01/2023] Open
Abstract
Aplastic anemia is a disorder of bone marrow failure characterized by a hypocellular bone marrow. We report two cases with an initial hypercellular bone marrow at the time of presentation, suggesting a new phase in the pathogenesis of the disease.
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Affiliation(s)
- Ryan Sweeney
- Loyola University Chicago Stritch School of MedicineLoyola University Medical CenterMaywoodIllinoisUSA
| | - Fatema Esmail
- Division of Hematology/OncologyDepartment of Internal MedicineLoyola University Medical CenterMaywoodIllinoisUSA
| | - Kamran M. Mirza
- Department of Pathology and Laboratory MedicineLoyola University Medical CenterMaywoodIllinoisUSA
| | - Sucha Nand
- Division of Hematology/OncologyDepartment of Internal MedicineLoyola University Medical CenterMaywoodIllinoisUSA
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12
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The vasculature niches required for hematopoiesis. J Mol Med (Berl) 2021; 100:53-61. [PMID: 34709407 DOI: 10.1007/s00109-021-02155-2] [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: 10/01/2020] [Revised: 10/04/2021] [Accepted: 10/14/2021] [Indexed: 10/20/2022]
Abstract
Endothelial cells play a critical role in supporting postnatal hematopoiesis in the bone marrow. Unique endothelial cells, together with various perivascular cells, form different types of vascular structures, constructing a vast microvascular delivery and trafficking network for blood cells, oxygen, and nutrition. These blood vessels build distinct hematopoietic stem and progenitor cell niches, which offer not only sites of residence for blood cells but also indispensable signals directing HSPC homing, self-renewal, and multilineage differentiation. Deep insight into the structure and function of the BM vasculature niche and its participation in hematopoiesis is necessary to develop advanced strategies for the reconstitution of hematopoiesis.
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13
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Servetto A, Kollipara R, Formisano L, Lin CC, Lee KM, Sudhan DR, Gonzalez-Ericsson PI, Chatterjee S, Guerrero-Zotano A, Mendiratta S, Akamatsu H, James N, Bianco R, Hanker AB, Kittler R, Arteaga CL. Nuclear FGFR1 Regulates Gene Transcription and Promotes Antiestrogen Resistance in ER + Breast Cancer. Clin Cancer Res 2021; 27:4379-4396. [PMID: 34011560 PMCID: PMC8338892 DOI: 10.1158/1078-0432.ccr-20-3905] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 12/29/2020] [Accepted: 05/17/2021] [Indexed: 01/09/2023]
Abstract
PURPOSE FGFR1 overexpression has been associated with endocrine resistance in ER+ breast cancer. We found FGFR1 localized in the nucleus of breast cancer cells in primary tumors resistant to estrogen suppression. We investigated a role of nuclear FGFR1 on gene transcription and antiestrogen resistance. EXPERIMENTAL DESIGN Tumors from patients treated with letrozole were subjected to Ki67 and FGFR1 IHC. MCF7 cells were transduced with FGFR1(SP-)(NLS) to promote nuclear FGFR1 overexpression. FGFR1 genomic activity in ER+/FGFR1-amplified breast cancer cells ± FOXA1 siRNA or ± the FGFR tyrosine kinase inhibitor (TKI) erdafitinib was examined by chromatin immunoprecipitation sequencing (ChIP-seq) and RNA sequencing (RNA-seq). The nuclear and chromatin-bound FGFR1 interactome was investigated by mass spectrometry (MS). RESULTS High nuclear FGFR1 expression in ER+ primary tumors positively correlated with post-letrozole Ki67 values. Nuclear FGFR1 overexpression influenced gene transcription and promoted resistance to estrogen suppression and to fulvestrant in vivo. A gene expression signature induced by nuclear FGFR1 correlated with shorter survival in the METABRIC cohort of patients treated with antiestrogens. ChIP-Seq revealed FGFR1 occupancy at transcription start sites, overlapping with active transcription histone marks. MS analysis of the nuclear FGFR1 interactome identified phosphorylated RNA-Polymerase II and FOXA1, with FOXA1 RNAi impairing FGFR1 recruitment to chromatin. Treatment with erdafitinib did not impair nuclear FGFR1 translocation and genomic activity. CONCLUSIONS These data suggest nuclear FGFR1 contributes to endocrine resistance by modulating gene transcription in ER+ breast cancer. Nuclear FGFR1 activity was unaffected by FGFR TKIs, thus supporting the development of treatment strategies to inhibit nuclear FGFR1 in ER+/FGFR1 overexpressing breast cancer.
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Affiliation(s)
- Alberto Servetto
- Simmons Comprehensive Cancer Center, The University of Texas Southwestern Medical Center, Dallas Texas
| | - Rahul Kollipara
- Simmons Comprehensive Cancer Center, The University of Texas Southwestern Medical Center, Dallas Texas
| | - Luigi Formisano
- Department of Clinical Medicine and Surgery, University of Naples Federico II, Naples, Italy
| | - Chang-Ching Lin
- Simmons Comprehensive Cancer Center, The University of Texas Southwestern Medical Center, Dallas Texas
| | - Kyung-Min Lee
- Simmons Comprehensive Cancer Center, The University of Texas Southwestern Medical Center, Dallas Texas
| | - Dhivya R. Sudhan
- Simmons Comprehensive Cancer Center, The University of Texas Southwestern Medical Center, Dallas Texas
| | | | - Sumanta Chatterjee
- Simmons Comprehensive Cancer Center, The University of Texas Southwestern Medical Center, Dallas Texas
| | | | - Saurabh Mendiratta
- Simmons Comprehensive Cancer Center, The University of Texas Southwestern Medical Center, Dallas Texas
| | - Hiroaki Akamatsu
- Simmons Comprehensive Cancer Center, The University of Texas Southwestern Medical Center, Dallas Texas
| | - Nicholas James
- Department of Cell and Molecular Biology, University of Hawaii at Manoa, Manoa, Hawaii
| | - Roberto Bianco
- Department of Clinical Medicine and Surgery, University of Naples Federico II, Naples, Italy
| | - Ariella B. Hanker
- Simmons Comprehensive Cancer Center, The University of Texas Southwestern Medical Center, Dallas Texas
| | - Ralf Kittler
- Simmons Comprehensive Cancer Center, The University of Texas Southwestern Medical Center, Dallas Texas
| | - Carlos L. Arteaga
- Simmons Comprehensive Cancer Center, The University of Texas Southwestern Medical Center, Dallas Texas.,Corresponding Author: Carlos L. Arteaga, The University of Texas Southwestern Medical Center Simmons Comprehensive Cancer Center, 5323 Harry Hines Boulevard, Dallas, TX 75390–8590. E-mail:
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14
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Fröbel J, Landspersky T, Percin G, Schreck C, Rahmig S, Ori A, Nowak D, Essers M, Waskow C, Oostendorp RAJ. The Hematopoietic Bone Marrow Niche Ecosystem. Front Cell Dev Biol 2021; 9:705410. [PMID: 34368155 PMCID: PMC8339972 DOI: 10.3389/fcell.2021.705410] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Accepted: 06/28/2021] [Indexed: 12/18/2022] Open
Abstract
The bone marrow (BM) microenvironment, also called the BM niche, is essential for the maintenance of fully functional blood cell formation (hematopoiesis) throughout life. Under physiologic conditions the niche protects hematopoietic stem cells (HSCs) from sustained or overstimulation. Acute or chronic stress deregulates hematopoiesis and some of these alterations occur indirectly via the niche. Effects on niche cells include skewing of its cellular composition, specific localization and molecular signals that differentially regulate the function of HSCs and their progeny. Importantly, while acute insults display only transient effects, repeated or chronic insults lead to sustained alterations of the niche, resulting in HSC deregulation. We here describe how changes in BM niche composition (ecosystem) and structure (remodeling) modulate activation of HSCs in situ. Current knowledge has revealed that upon chronic stimulation, BM remodeling is more extensive and otherwise quiescent HSCs may be lost due to diminished cellular maintenance processes, such as autophagy, ER stress response, and DNA repair. Features of aging in the BM ecology may be the consequence of intermittent stress responses, ultimately resulting in the degeneration of the supportive stem cell microenvironment. Both chronic stress and aging impair the functionality of HSCs and increase the overall susceptibility to development of diseases, including malignant transformation. To understand functional degeneration, an important prerequisite is to define distinguishing features of unperturbed niche homeostasis in different settings. A unique setting in this respect is xenotransplantation, in which human cells depend on niche factors produced by other species, some of which we will review. These insights should help to assess deviations from the steady state to actively protect and improve recovery of the niche ecosystem in situ to optimally sustain healthy hematopoiesis in experimental and clinical settings.
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Affiliation(s)
- Julia Fröbel
- Immunology of Aging, Leibniz Institute on Aging - Fritz Lipmann Institute, Jena, Germany
| | - Theresa Landspersky
- School of Medicine, Department of Internal Medicine III, Technical University of Munich, Munich, Germany
| | - Gülce Percin
- Immunology of Aging, Leibniz Institute on Aging - Fritz Lipmann Institute, Jena, Germany
| | - Christina Schreck
- School of Medicine, Department of Internal Medicine III, Technical University of Munich, Munich, Germany
| | - Susann Rahmig
- Immunology of Aging, Leibniz Institute on Aging - Fritz Lipmann Institute, Jena, Germany
| | - Alessandro Ori
- Proteomics of Aging, Leibniz Institute on Aging - Fritz Lipmann Institute, Jena, Germany
| | - Daniel Nowak
- Department of Hematology and Oncology, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Marieke Essers
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany.,Division Inflammatory Stress in Stem Cells, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Claudia Waskow
- Immunology of Aging, Leibniz Institute on Aging - Fritz Lipmann Institute, Jena, Germany.,Institute of Biochemistry and Biophysics, Faculty of Biological Sciences, Friedrich Schiller University Jena, Jena, Germany.,Department of Medicine III, Technical University Dresden, Dresden, Germany
| | - Robert A J Oostendorp
- School of Medicine, Department of Internal Medicine III, Technical University of Munich, Munich, Germany
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15
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Crippa S, Santi L, Berti M, De Ponti G, Bernardo ME. Role of ex vivo Expanded Mesenchymal Stromal Cells in Determining Hematopoietic Stem Cell Transplantation Outcome. Front Cell Dev Biol 2021; 9:663316. [PMID: 34017834 PMCID: PMC8129582 DOI: 10.3389/fcell.2021.663316] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 03/17/2021] [Indexed: 02/06/2023] Open
Abstract
Overall, the human organism requires the production of ∼1 trillion new blood cells per day. Such goal is achieved via hematopoiesis occurring within the bone marrow (BM) under the tight regulation of hematopoietic stem and progenitor cell (HSPC) homeostasis made by the BM microenvironment. The BM niche is defined by the close interactions of HSPCs and non-hematopoietic cells of different origin, which control the maintenance of HSPCs and orchestrate hematopoiesis in response to the body’s requirements. The activity of the BM niche is regulated by specific signaling pathways in physiological conditions and in case of stress, including the one induced by the HSPC transplantation (HSCT) procedures. HSCT is the curative option for several hematological and non-hematological diseases, despite being associated with early and late complications, mainly due to a low level of HSPC engraftment, impaired hematopoietic recovery, immune-mediated graft rejection, and graft-versus-host disease (GvHD) in case of allogenic transplant. Mesenchymal stromal cells (MSCs) are key elements of the BM niche, regulating HSPC homeostasis by direct contact and secreting several paracrine factors. In this review, we will explore the several mechanisms through which MSCs impact on the supportive activity of the BM niche and regulate HSPC homeostasis. We will further discuss how the growing understanding of such mechanisms have impacted, under a clinical point of view, on the transplantation field. In more recent years, these results have instructed the design of clinical trials to ameliorate the outcome of HSCT, especially in the allogenic setting, and when low doses of HSPCs were available for transplantation.
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Affiliation(s)
- Stefania Crippa
- San Raffaele Telethon Institute for Gene Therapy, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Ludovica Santi
- San Raffaele Telethon Institute for Gene Therapy, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Margherita Berti
- San Raffaele Telethon Institute for Gene Therapy, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Giada De Ponti
- San Raffaele Telethon Institute for Gene Therapy, IRCCS San Raffaele Scientific Institute, Milan, Italy.,Centro Ricerca M. Tettamanti, Department of Pediatrics, University of Milano-Bicocca, Monza, Italy
| | - Maria Ester Bernardo
- San Raffaele Telethon Institute for Gene Therapy, IRCCS San Raffaele Scientific Institute, Milan, Italy.,Pediatric Immunohematology and Bone Marrow Transplantation Unit, San Raffaele Scientific Institute, Milan, Italy.,University Vita-Salute San Raffaele, Faculty of Medicine, Milan, Italy
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16
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Abstract
Megakaryocytes give rise to platelets, which have a wide variety of functions in coagulation, immune response, inflammation, and tissue repair. Dysregulation of megakaryocytes is a key feature of in the myeloproliferative neoplasms, especially myelofibrosis. Megakaryocytes are among the main drivers of myelofibrosis by promoting myeloproliferation and bone marrow fibrosis. In vivo targeting of megakaryocytes by genetic and pharmacologic approaches ameliorates the disease, underscoring the important role of megakaryocytes in myeloproliferative neoplasms. Here we review the current knowledge of the function of megakaryocytes in the JAK2, CALR, and MPL-mutant myeloproliferative neoplasms.
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17
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Guo C, Ran Q, Sun C, Zhou T, Yang X, Zhang J, Pang S, Xiao Y. Loss of FGFR3 Delays Acute Myeloid Leukemogenesis by Programming Weakly Pathogenic CD117-Positive Leukemia Stem-Like Cells. Front Pharmacol 2021; 11:632809. [PMID: 33584313 PMCID: PMC7879375 DOI: 10.3389/fphar.2020.632809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Accepted: 12/21/2020] [Indexed: 11/21/2022] Open
Abstract
Chemotherapeutic patients with leukemia often relapse and produce drug resistance due to the existence of leukemia stem cells (LSCs). Fibroblast growth factor receptor 3 (FGFR3) signaling mediates the drug resistance of LSCs in chronic myeloid leukemia (CML). However, the function of FGFR3 in acute myeloid leukemia (AML) is less understood. Here, we identified that the loss of FGFR3 reprograms MLL-AF9 (MA)-driven murine AML cells into weakly pathogenic CD117-positive leukemia stem-like cells by activating the FGFR1-ERG signaling pathway. FGFR3 deletion significantly inhibits AML cells engraftment in vivo and extends the survival time of leukemic mice. FGFR3 deletion sharply decreased the expression of chemokines and the prolonged survival time in mice receiving FGFR3-deficient MA cells could be neutralized by overexpression of CCL3. Here we firstly found that FGFR3 had a novel regulatory mechanism for the stemness of LSCs in AML, and provided a promising anti-leukemia approach by interrupting FGFR3.
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Affiliation(s)
- Chen Guo
- Department of Biotechnology, Guangdong Medical University, Dongguan, China.,Department of Biochemistry and Molecular Biology, College of Basic Medical Science, Jilin University, Changchun, China
| | - Qiuju Ran
- Department of Biochemistry and Molecular Biology, College of Basic Medical Science, Jilin University, Changchun, China
| | - Chun Sun
- Department of Biochemistry and Molecular Biology, College of Basic Medical Science, Jilin University, Changchun, China
| | - Tingting Zhou
- Department of Biochemistry and Molecular Biology, College of Basic Medical Science, Jilin University, Changchun, China
| | - Xi Yang
- Department of Biochemistry and Molecular Biology, College of Basic Medical Science, Jilin University, Changchun, China
| | - Jizhou Zhang
- Department of Biochemistry and Molecular Biology, College of Basic Medical Science, Jilin University, Changchun, China
| | - Shifeng Pang
- Department of Biotechnology, Guangdong Medical University, Dongguan, China
| | - Yechen Xiao
- Department of Biotechnology, Guangdong Medical University, Dongguan, China.,Department of Biochemistry and Molecular Biology, College of Basic Medical Science, Jilin University, Changchun, China
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18
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Zhan H, Kaushansky K. The Hematopoietic Microenvironment in Myeloproliferative Neoplasms: The Interplay Between Nature (Stem Cells) and Nurture (the Niche). ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1273:135-145. [PMID: 33119879 DOI: 10.1007/978-3-030-49270-0_7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Hematopoietic stem cells (HSCs) rely on instructive cues from the marrow microenvironment for their maintenance and function. Accumulating evidence indicates that the survival and proliferation of hematopoietic neoplasms are dependent not only on cell-intrinsic, genetic mutations, and other molecular alterations present within neoplastic stem cells, but also on the ability of the surrounding microenvironmental cells to nurture and promote the malignancy. It is anticipated that a better understanding of the molecular and cellular events responsible for these microenvironmental features of neoplastic hematopoiesis will lead to improved treatment for patients. This review will focus on the myeloproliferative neoplasms (MPNs), polycythemia vera (PV), essential thrombocythemia (ET), and primary myelofibrosis (PMF), in which an acquired signaling kinase mutation (JAK2V617F) plays a central, pathogenetic role in 50-100% of patients with these disorders. Evidence is presented that the development of an MPN requires both an abnormal, mutation-bearing (i.e., neoplastic) HSC and an abnormal, mutation-bearing microenvironment.
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Affiliation(s)
- Huichun Zhan
- Division of Hematology-Oncology, Department of Medicine, Stony Brook School of Medicine, Stony Brook, NY, USA. .,Northport VA Medical Center, Northport, NY, USA.
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19
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The Role of Tumor Microenvironment in Multiple Myeloma Development and Progression. Cancers (Basel) 2021; 13:cancers13020217. [PMID: 33435306 PMCID: PMC7827690 DOI: 10.3390/cancers13020217] [Citation(s) in RCA: 99] [Impact Index Per Article: 33.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 01/04/2021] [Accepted: 01/06/2021] [Indexed: 12/13/2022] Open
Abstract
Simple Summary Multiple Myeloma (MM) is a hematologic malignancy caused by aberrant plasma cell proliferation in the bone marrow (BM) and constitutes the second most common hematological disease after non-Hodgkin lymphoma. The disease progression is drastically regulated by the immunosuppressive tumor microenvironment (TME) generated by soluble factors and different cells that naturally reside in the BM. This microenvironment does not remain unchanged and alterations favor cancer dissemination. Despite therapeutic advances over the past 15 years, MM remains incurable and therefore understanding the elements that control the TME in MM would allow better-targeted therapies to cure this disease. In this review, we discuss the main events and changes that occur in the BM milieu during MM development. Abstract Multiple myeloma (MM) is a hematologic cancer characterized by clonal proliferation of plasma cells in the bone marrow (BM). The progression, from the early stages of the disease as monoclonal gammopathy of undetermined significance (MGUS) and smoldering multiple myeloma (SMM) to MM and occasionally extramedullary disease, is drastically affected by the tumor microenvironment (TME). Soluble factors and direct cell–cell interactions regulate MM plasma cell trafficking and homing to the BM niche. Mesenchymal stromal cells, osteoclasts, osteoblasts, myeloid and lymphoid cells present in the BM create a unique milieu that favors MM plasma cell immune evasion and promotes disease progression. Moreover, TME is implicated in malignant cell protection against anti-tumor therapy. This review describes the main cellular and non-cellular components located in the BM, which condition the immunosuppressive environment and lead the MM establishment and progression.
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20
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Destalminil-Letourneau M, Morin-Poulard I, Tian Y, Vanzo N, Crozatier M. The vascular niche controls Drosophila hematopoiesis via fibroblast growth factor signaling. eLife 2021; 10:64672. [PMID: 33395389 PMCID: PMC7781598 DOI: 10.7554/elife.64672] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 12/16/2020] [Indexed: 12/22/2022] Open
Abstract
In adult mammals, hematopoiesis, the production of blood cells from hematopoietic stem and progenitor cells (HSPCs), is tightly regulated by extrinsic signals from the microenvironment called 'niche'. Bone marrow HSPCs are heterogeneous and controlled by both endosteal and vascular niches. The Drosophila hematopoietic lymph gland is located along the cardiac tube which corresponds to the vascular system. In the lymph gland, the niche called Posterior Signaling Center controls only a subset of the heterogeneous hematopoietic progenitor population indicating that additional signals are necessary. Here we report that the vascular system acts as a second niche to control lymph gland homeostasis. The FGF ligand Branchless produced by vascular cells activates the FGF pathway in hematopoietic progenitors. By regulating intracellular calcium levels, FGF signaling maintains progenitor pools and prevents blood cell differentiation. This study reveals that two niches contribute to the control ofDrosophila blood cell homeostasis through their differential regulation of progenitors.
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Affiliation(s)
- Manon Destalminil-Letourneau
- Centre de Biologie du Développement (CBD), Centre de Biologie Intégrative (CBI), Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Ismaël Morin-Poulard
- Centre de Biologie du Développement (CBD), Centre de Biologie Intégrative (CBI), Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Yushun Tian
- Centre de Biologie du Développement (CBD), Centre de Biologie Intégrative (CBI), Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Nathalie Vanzo
- Centre de Biologie du Développement (CBD), Centre de Biologie Intégrative (CBI), Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Michele Crozatier
- Centre de Biologie du Développement (CBD), Centre de Biologie Intégrative (CBI), Université de Toulouse, CNRS, UPS, Toulouse, France
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21
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Yuan S, Sun G, Zhang Y, Dong F, Cheng H, Cheng T. Understanding the "SMART" features of hematopoietic stem cells and beyond. SCIENCE CHINA. LIFE SCIENCES 2021; 64:2030-2044. [PMID: 34341896 PMCID: PMC8328818 DOI: 10.1007/s11427-021-1961-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Accepted: 05/10/2021] [Indexed: 02/07/2023]
Abstract
Since the huge success of bone marrow transplantation technology in clinical practice, hematopoietic stem cells (HSCs) have become the gold standard for defining the properties of adult stem cells (ASCs). Here, we describe the "self-renewal, multi-lineage differentiation, apoptosis, rest, and trafficking" or "SMART" model, which has been developed based on data derived from studies of HSCs as the most well-characterized stem cell type. Given the potential therapeutic applications of ASCs, we delineate the key characteristics of HSCs using this model and speculate on the physiological relevance of stem cells identified in other tissues. Great strides are being made in understanding the biology of ASCs, and efforts are now underway to develop safe and effective ASC-based therapies in this emerging area.
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Affiliation(s)
- Shiru Yuan
- grid.506261.60000 0001 0706 7839State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, 300020 China
| | - Guohuan Sun
- grid.506261.60000 0001 0706 7839State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, 300020 China
| | - Yawen Zhang
- grid.506261.60000 0001 0706 7839State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, 300020 China
| | - Fang Dong
- grid.506261.60000 0001 0706 7839State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, 300020 China ,grid.506261.60000 0001 0706 7839Center for Stem Cell Medicine, Chinese Academy of Medical Sciences, Tianjin, 300020 China ,grid.506261.60000 0001 0706 7839Department of Stem Cell & Regenerative Medicine, Peking Union Medical College, Tianjin, 300020 China
| | - Hui Cheng
- grid.506261.60000 0001 0706 7839State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, 300020 China ,grid.506261.60000 0001 0706 7839Center for Stem Cell Medicine, Chinese Academy of Medical Sciences, Tianjin, 300020 China ,grid.506261.60000 0001 0706 7839Department of Stem Cell & Regenerative Medicine, Peking Union Medical College, Tianjin, 300020 China
| | - Tao Cheng
- grid.506261.60000 0001 0706 7839State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, 300020 China ,grid.506261.60000 0001 0706 7839Center for Stem Cell Medicine, Chinese Academy of Medical Sciences, Tianjin, 300020 China ,grid.506261.60000 0001 0706 7839Department of Stem Cell & Regenerative Medicine, Peking Union Medical College, Tianjin, 300020 China
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22
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Karnas E, Sekuła-Stryjewska M, Kmiotek-Wasylewska K, Bobis-Wozowicz S, Ryszawy D, Sarna M, Madeja Z, Zuba-Surma EK. Extracellular vesicles from human iPSCs enhance reconstitution capacity of cord blood-derived hematopoietic stem and progenitor cells. Leukemia 2021; 35:2964-2977. [PMID: 34140648 PMCID: PMC8478657 DOI: 10.1038/s41375-021-01325-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 06/01/2021] [Accepted: 06/07/2021] [Indexed: 02/06/2023]
Abstract
Cord blood (CB) represents a source of hematopoietic stem and progenitor cells (CB-HSPCs) for bone marrow (BM) reconstitution, but clinical CB application is limited in adult patients due to the insufficient number of CB-HSCPCs and the lack of effective ex vivo approaches to increase CB-HSPC functionality. Since human-induced pluripotent stem cells (hiPSCs) have been indicated as donor cells for bioactive extracellular vesicles (EVs) modulating properties of other cells, we are the first to employ hiPSC-derived EVs (hiPSC-EVs) to enhance the hematopoietic potential of CB-derived CD45dimLin-CD34+ cell fraction enriched in CB-HSPCs. We demonstrated that hiPSC-EVs improved functional properties of CB-HSPCs critical for their hematopoietic capacity including metabolic, hematopoietic and clonogenic potential as well as survival, chemotactic response to stromal cell-derived factor 1 and adhesion to the model components of hematopoietic niche in vitro. Moreover, hiPSC-EVs enhanced homing and engraftment of CB-HSPCs in vivo. This phenomenon might be related to activation of signaling pathways in CB-HSPCs following hiPSC-EV treatment, as shown on both gene expression and the protein kinases activity levels. In conclusion, hiPSC-EVs might be used as ex vivo modulators of CB-HSPCs capacity to enhance their functional properties and augment future practical applications of CB-derived cells in BM reconstitution.
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Affiliation(s)
- Elżbieta Karnas
- grid.5522.00000 0001 2162 9631Department of Cell Biology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Małgorzata Sekuła-Stryjewska
- grid.5522.00000 0001 2162 9631Laboratory of Stem Cell Biotechnology, Malopolska Centre of Biotechnology, Jagiellonian University, Krakow, Poland
| | - Katarzyna Kmiotek-Wasylewska
- grid.5522.00000 0001 2162 9631Department of Cell Biology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Sylwia Bobis-Wozowicz
- grid.5522.00000 0001 2162 9631Department of Cell Biology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Damian Ryszawy
- grid.5522.00000 0001 2162 9631Department of Cell Biology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Michał Sarna
- grid.5522.00000 0001 2162 9631Department of Biophysics, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Zbigniew Madeja
- grid.5522.00000 0001 2162 9631Department of Cell Biology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Ewa K. Zuba-Surma
- grid.5522.00000 0001 2162 9631Department of Cell Biology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
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Chen YY, Liu YF, Liu YD, Deng XH, Zhou J. IRF7 suppresses hematopoietic regeneration under stress via CXCR4. STEM CELLS (DAYTON, OHIO) 2020; 39:183-195. [PMID: 33252829 DOI: 10.1002/stem.3308] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 08/09/2020] [Accepted: 11/08/2020] [Indexed: 11/06/2022]
Abstract
Hematopoietic stem cells (HSCs) maintain quiescence under steady state; however, they are compelled to proliferate and expand to replenish the blood system under stress. The molecular basis underlying stress hematopoiesis remains to be fully understood. In this study, we reported that IRF7 represents an important regulator of stress hematopoiesis. Interferon regulatory factor 7 (IRF7) was dispensable for normal hematopoiesis, whereas its deficiency significantly enhanced hematopoietic stem and progenitor cells (HSPCs) regeneration and improved long-term repopulation of HSCs under stress. Mechanistic studies showed that CXCR4 was identified as a downstream target of IRF7. Overexpression of CXCR4 abrogated the enhanced proliferation and regeneration of IRF7-deficient HSPCs under stress. Similar results were obtained in HSCs from human umbilical cord blood. These observations demonstrated that IRF7 plays an important role in hematopoietic regeneration under stress.
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Affiliation(s)
- Ying-Ying Chen
- Joint Program in Immunology, Affiliated Guangzhou Women and Children's Medical Center, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, People's Republic of China.,Institute of Human Virology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, People's Republic of China.,Key Laboratory of Immune Microenvironment and Disease of the Ministry of Education, Department of Immunology, School of Basic Sciences, Tianjin Medical University, Tianjin, People's Republic of China
| | - Yu-Feng Liu
- Key Laboratory of Immune Microenvironment and Disease of the Ministry of Education, Department of Immunology, School of Basic Sciences, Tianjin Medical University, Tianjin, People's Republic of China
| | - Yong-Dong Liu
- Department of Pathology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Xiao-Hui Deng
- Institute of Human Virology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, People's Republic of China.,Key Laboratory of Immune Microenvironment and Disease of the Ministry of Education, Department of Immunology, School of Basic Sciences, Tianjin Medical University, Tianjin, People's Republic of China
| | - Jie Zhou
- Joint Program in Immunology, Affiliated Guangzhou Women and Children's Medical Center, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, People's Republic of China.,Institute of Human Virology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, People's Republic of China.,Key Laboratory of Immune Microenvironment and Disease of the Ministry of Education, Department of Immunology, School of Basic Sciences, Tianjin Medical University, Tianjin, People's Republic of China
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25
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Loss of FGFR3 Accelerates Bone Marrow Suppression-Induced Hematopoietic Stem and Progenitor Cell Expansion by Activating FGFR1-ELK1-Cyclin D1 Signaling. Transplant Cell Ther 2020; 27:45.e1-45.e10. [PMID: 32966879 DOI: 10.1016/j.bbmt.2020.09.019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Revised: 08/26/2020] [Accepted: 09/02/2020] [Indexed: 12/15/2022]
Abstract
Patients with chemotherapy or radiation therapy often generate anemia and low immunity due to the therapy-induced bone marrow (BM) suppression. To enhance hematopoietic regeneration during the therapy-induced BM suppression urgently need to be solved. Fibroblast growth factors (FGFs) play important regulatory roles in hematopoietic stem and progenitor cell (HSPC) expansion in vitro and in vivo by the FGF receptor (FGFR1-4)-mediated signaling pathway. FGFR3 is an important member of the FGFR family, and its regulatory function in hematopoiesis is largely unknown. Using knockout (KO) mice of FGFR3, we found that loss of FGFR3 does not affect HSPC functions or lineage differentiation during steady-state hematopoiesis, but FGFR3 deletion accelerates HSPC expansion and hematopoiesis recovery via a cell-autonomous manner under 5-fluorouracil-induced BM suppression. Our results showed that FGFR3 inactivation accelerates BM suppression-induced HSPC expansion by upregulating FGFR1 and its downstream transcriptional factor, ELK, which regulates the expression of the cyclin D1 gene at the level of transcription. Further studies confirmed that loss of FGFR3 in hematopoietic cells inhibits in vivo leukemogenesis under BM suppression. Our data found a novel hematopoietic regulatory mechanism by which FGFR3 deletion promotes HSPC expansion under BM suppression and also provided a promising approach to enhance antileukemia and hematopoietic regeneration by inhibiting FGFR3 functions in HSPCs combined with leukemic chemotherapy.
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26
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Al-Sharea A, Lee MKS, Purton LE, Hawkins ED, Murphy AJ. The haematopoietic stem cell niche: a new player in cardiovascular disease? Cardiovasc Res 2020; 115:277-291. [PMID: 30590405 DOI: 10.1093/cvr/cvy308] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Accepted: 12/17/2018] [Indexed: 02/06/2023] Open
Abstract
Haematopoiesis, the process of blood production, can be altered during the initiation or progression of many diseases. Cardiovascular disease (CVD) has been shown to be heavily influenced by changes to the haematopoietic system, including the types and abundance of immune cells produced. It is now well established that innate immune cells are increased in people with CVD, and the mechanisms contributing to this can be vastly different depending on the risk factors or comorbidities present. Many of these changes begin at the level of the haematopoietic stem and progenitor cells (HSPCs) that reside in the bone marrow (BM). In general, the HSPCs and downstream myeloid progenitors are expanded via increased proliferation in the setting of atherosclerotic CVD. However, HSPCs can also be encouraged to leave the BM and colonise extramedullary sites (i.e. the spleen). Within the BM, HSPCs reside in specialized microenvironments, often referred to as a niche. To date in depth studies assessing the damage or dysregulation that occurs in the BM niche in varying CVDs are scarce. In this review, we provide a general overview of the complex components and interactions within the BM niche and how they influence the function of HSPCs. Additionally, we discuss the main findings regarding changes in the HSPC niche that influence the progression of CVD. We hypothesize that understanding the influence of the BM niche in CVD will aid in delineating new pathways for therapeutic interventions.
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Affiliation(s)
- Annas Al-Sharea
- Division of Immunometabolism, Haematopoiesis and Leukocyte Biology, Baker Heart & Diabetes Institute, 75 Commercial Road, Melbourne, VIC, Australia.,Department of Immunology, Monash University, Melbourne, Australia
| | - Man Kit Sam Lee
- Division of Immunometabolism, Haematopoiesis and Leukocyte Biology, Baker Heart & Diabetes Institute, 75 Commercial Road, Melbourne, VIC, Australia.,Department of Immunology, Monash University, Melbourne, Australia
| | | | - Edwin D Hawkins
- Division of Immunology, Walter and Eliza Hall Institute of Medical Research, Melbourne, Australia
| | - Andrew J Murphy
- Division of Immunometabolism, Haematopoiesis and Leukocyte Biology, Baker Heart & Diabetes Institute, 75 Commercial Road, Melbourne, VIC, Australia.,Department of Immunology, Monash University, Melbourne, Australia
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27
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Olson TS. Translating HSC Niche Biology for Clinical Applications. CURRENT STEM CELL REPORTS 2019. [DOI: 10.1007/s40778-019-0152-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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28
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Javidi-Sharifi N, Martinez J, English I, Joshi SK, Scopim-Ribeiro R, Viola SK, Edwards DK, Agarwal A, Lopez C, Jorgens D, Tyner JW, Druker BJ, Traer E. FGF2-FGFR1 signaling regulates release of Leukemia-Protective exosomes from bone marrow stromal cells. eLife 2019; 8:e40033. [PMID: 30720426 PMCID: PMC6363389 DOI: 10.7554/elife.40033] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Accepted: 01/16/2019] [Indexed: 12/21/2022] Open
Abstract
Protective signaling from the leukemia microenvironment leads to leukemia cell persistence, development of resistance, and disease relapse. Here, we demonstrate that fibroblast growth factor 2 (FGF2) from bone marrow stromal cells is secreted in exosomes, which are subsequently endocytosed by leukemia cells, and protect leukemia cells from tyrosine kinase inhibitors (TKIs). Expression of FGF2 and its receptor, FGFR1, are both increased in a subset of stromal cell lines and primary AML stroma; and increased FGF2/FGFR1 signaling is associated with increased exosome secretion. FGFR inhibition (or gene silencing) interrupts stromal autocrine growth and significantly decreases secretion of FGF2-containing exosomes, resulting in less stromal protection of leukemia cells. Likewise, Fgf2 -/- mice transplanted with retroviral BCR-ABL leukemia survive significantly longer than their +/+ counterparts when treated with TKI. Thus, inhibition of FGFR can modulate stromal function, reduce exosome secretion, and may be a therapeutic option to overcome resistance to TKIs. Editorial note This article has been through an editorial process in which the authors decide how to respond to the issues raised during peer review. The Reviewing Editor's assessment is that all the issues have been addressed (see decision letter).
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Affiliation(s)
| | - Jacqueline Martinez
- Knight Cancer InstituteOregon Health & Science UniversityPortlandUnited States
| | - Isabel English
- Knight Cancer InstituteOregon Health & Science UniversityPortlandUnited States
| | - Sunil K Joshi
- Knight Cancer InstituteOregon Health & Science UniversityPortlandUnited States
| | | | - Shelton K Viola
- Knight Cancer InstituteOregon Health & Science UniversityPortlandUnited States
| | - David K Edwards
- Knight Cancer InstituteOregon Health & Science UniversityPortlandUnited States
| | - Anupriya Agarwal
- Knight Cancer InstituteOregon Health & Science UniversityPortlandUnited States
- Division of Hematology and Medical OncologyOregon Health & Science UniversityPortlandUnited States
| | - Claudia Lopez
- Knight Cancer InstituteOregon Health & Science UniversityPortlandUnited States
- Center for Spatial Systems BiomedicineOregon Health & Science UniversityPortlandUnited States
| | - Danielle Jorgens
- Knight Cancer InstituteOregon Health & Science UniversityPortlandUnited States
- Center for Spatial Systems BiomedicineOregon Health & Science UniversityPortlandUnited States
| | - Jeffrey W Tyner
- Knight Cancer InstituteOregon Health & Science UniversityPortlandUnited States
- Department of Cell, Developmental & Cancer BiologyOregon Health & Science UniversityPortlandUnited States
| | - Brian J Druker
- Knight Cancer InstituteOregon Health & Science UniversityPortlandUnited States
- Division of Hematology and Medical OncologyOregon Health & Science UniversityPortlandUnited States
- Howard Hughes Medical InstituteChevy ChaseUnited States
| | - Elie Traer
- Knight Cancer InstituteOregon Health & Science UniversityPortlandUnited States
- Division of Hematology and Medical OncologyOregon Health & Science UniversityPortlandUnited States
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29
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Zhang Y, Lin CHS, Kaushansky K, Zhan H. JAK2V617F Megakaryocytes Promote Hematopoietic Stem/Progenitor Cell Expansion in Mice Through Thrombopoietin/MPL Signaling. Stem Cells 2018; 36:1676-1684. [PMID: 30005133 DOI: 10.1002/stem.2888] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2018] [Revised: 06/17/2018] [Accepted: 06/18/2018] [Indexed: 01/22/2023]
Abstract
The myeloproliferative neoplasms (MPNs) are stem cell disorders characterized by hematopoietic stem/progenitor cell (HSPC) expansion and overproduction of mature blood cells. The acquired kinase mutation JAK2V617F plays a central role in these disorders. The mechanisms responsible for HSPC expansion in MPNs are not fully understood, limiting the effectiveness of current treatments. One hallmark feature of the marrow in patients with MPNs is megakaryocyte (MK) hyperplasia. Previously, we reported that JAK2V617F-bearing MKs cause a murine myeloproliferative syndrome with HSPC expansion. Here we show that JAK2V617F MKs promote MPN stem cell function by inducing HSPC quiescence with increased repopulating capacity. In addition, we demonstrate that thrombopoietin and its receptor MPL are critical for the JAK2V617F-bearing MK-induced myeloproliferation, both by directly affecting the quantity and quality of MKs and by altering the MK-endothelial interaction and vascular niche function. Therefore, targeting HSPC niche-forming MKs and/or their interactions within the vascular niche could provide novel, more effective therapeutic strategies in patients with MPNs. Stem Cells 2018;36:1676-1684.
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Affiliation(s)
- Yu Zhang
- Biopharmaceutical R&D Center, Chinese Academy of Medical Sciences, Peking Union Medical College, Suzhou, People's Republic of China
| | - Chi Hua Sarah Lin
- Department of Medicine, Division of Hematology-Oncology, Stony Brook Medicine, Stony Brook, New York, USA
| | - Kenneth Kaushansky
- Office of the Sr. Vice President, Health Sciences, Stony Brook Medicine, Stony Brook, New York, USA
| | - Huichun Zhan
- Department of Medicine, Division of Hematology-Oncology, Stony Brook Medicine, Stony Brook, New York, USA.,Department of Medicine, Northport VA Medical Center, Northport, New York, USA
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30
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Wu J, Du X, Li W, Zhou Y, Bai E, Kang Y, Chen Q, Fu W, Yun D, Xu Q, Qiu P, Jin R, Cai Y, Liang G. A novel non-ATP competitive FGFR1 inhibitor with therapeutic potential on gastric cancer through inhibition of cell proliferation, survival and migration. Apoptosis 2018; 22:852-864. [PMID: 28315172 DOI: 10.1007/s10495-017-1361-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Fibroblast growth factor receptor 1 (FGFR1), belonging to receptor tyrosine kinases (RTKs), possesses various biological functions. Over-expression of FGFR1 has been observed in multiple human malignancies. Hence, targeting FGFR1 is an attractive prospect for the advancement of cancer treatment options. Here, we present a novel small molecular FGFR1 inhibitor L16H50, which can inhibit FGFR1 kinase in an ATP-independent manner. It potently inhibits FGFR1-mediated signaling in a gastric cancer cell line, resulting in inhibition of cell growth, survival and migration. It also displays an outstanding anti-tumor activity in a gastric cancer xenograft tumor model by targeting FGFR1 signaling. These results show that L16H50 is a potent non-ATP-competitive FGFR1 inhibitor and may provide strong rationale for its evaluation in gastric cancer patients.
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Affiliation(s)
- Jianzhang Wu
- Chemical Biology Research Center, College of Pharmaceutical Sciences, Wenzhou Medical Universtiy, Wenzhou, Zhejiang, 325035, China
| | - Xiaojing Du
- Department of Digestive Diseases, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
| | - Wulan Li
- Chemical Biology Research Center, College of Pharmaceutical Sciences, Wenzhou Medical Universtiy, Wenzhou, Zhejiang, 325035, China
- College of Information Science and Computer Engineering, the First Clinical Medical College, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Yangyang Zhou
- Chemical Biology Research Center, College of Pharmaceutical Sciences, Wenzhou Medical Universtiy, Wenzhou, Zhejiang, 325035, China
- Department of Digestive Diseases, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
| | - Encheng Bai
- Chemical Biology Research Center, College of Pharmaceutical Sciences, Wenzhou Medical Universtiy, Wenzhou, Zhejiang, 325035, China
- Department of Digestive Diseases, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
| | - Yanting Kang
- Chemical Biology Research Center, College of Pharmaceutical Sciences, Wenzhou Medical Universtiy, Wenzhou, Zhejiang, 325035, China
- Department of Digestive Diseases, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
| | - Qiuxiang Chen
- Chemical Biology Research Center, College of Pharmaceutical Sciences, Wenzhou Medical Universtiy, Wenzhou, Zhejiang, 325035, China
- Department of Digestive Diseases, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
| | - Weitao Fu
- Chemical Biology Research Center, College of Pharmaceutical Sciences, Wenzhou Medical Universtiy, Wenzhou, Zhejiang, 325035, China
| | - Di Yun
- Chemical Biology Research Center, College of Pharmaceutical Sciences, Wenzhou Medical Universtiy, Wenzhou, Zhejiang, 325035, China
| | - Qing Xu
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, Zhejiang, 325035, China
| | - Peihong Qiu
- Chemical Biology Research Center, College of Pharmaceutical Sciences, Wenzhou Medical Universtiy, Wenzhou, Zhejiang, 325035, China.
| | - Rong Jin
- Department of Digestive Diseases, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China.
- Department of Epidemiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China.
| | - Yuepiao Cai
- Chemical Biology Research Center, College of Pharmaceutical Sciences, Wenzhou Medical Universtiy, Wenzhou, Zhejiang, 325035, China.
| | - Guang Liang
- Chemical Biology Research Center, College of Pharmaceutical Sciences, Wenzhou Medical Universtiy, Wenzhou, Zhejiang, 325035, China
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Abstract
PURPOSE OF REVIEW Hematopoietic stem cells (HSCs) and progenitors are tasked with maintaining hematopoietic homeostasis in the face of numerous insults and challenges, including infection, inflammation, and exsanguination. HSCs possess the remarkable ability to reconstitute the entire hematopoietic system of an organism whose own hematopoietic system has been ablated. This ability is exploited routinely in the clinic via HSC transplantation (HSCT). Here, we focus on the physiological and molecular bottlenecks overcome by HSCs during transplantation. RECENT FINDINGS During transplantation, HSCs encounter a damaged bone marrow niche, characterized molecularly by increases in oxygen concentrations and an altered cytokine milieu. New mechanisms and pathways have been recently implicated during HSCT, including transplanted HSC-dependent secretion of conditioning molecules that facilitate engraftment and pathways that protect HSCs from perturbed organelle homeostasis. SUMMARY Better understanding the molecular processes HSCs employ to withstand the stress of transplant will illuminate novel targets for further improving conditioning regimens and engraftment during HSCT.
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Fibroblast growth factor 2 supports osteoblastic niche cells during hematopoietic homeostasis recovery after bone marrow suppression. Cell Commun Signal 2017; 15:25. [PMID: 28662672 PMCID: PMC5492158 DOI: 10.1186/s12964-017-0181-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Accepted: 06/16/2017] [Indexed: 11/30/2022] Open
Abstract
Background Hematopoietic stem cell (HSC) maintenance requires a specific microenvironment. HSC niches can be activated by tissue damaging chemotherapeutic drugs and various cell signaling molecules such as SDF-1 and FGF, which might also result in bone marrow stress. Recent research has insufficiently shown that endosteal osteolineage cells and other niche constituents recover after marrow injury. Methods We investigated the role of FGF2 in the osteoblastic niche cells during hematopoietic homeostasis recovery after bone marrow injury. Mice were treated with 5-fluorouracil (5FU) to eliminate actively cycling cells in the bone marrow. Primary osteoblasts were isolated and subjected to cell culture. Real-time PCR, western blot and immunohistochemical staining were performed to study niche-related genes, osteoblast markers, and FGF2 signaling. Proliferation rate were analyzed by marker gene Ki67 and colony formation assay. Also, osterix-positive osteoprogenitor cells were isolated by FACS from Osx-GFP-Cre mice after 5FU treatment, and subjected to RNA-sequencing and analyzed for Fgf receptors and niche markers. Results The endosteal osteolineage cells isolated from 5FU-treated mice showed increased expression of the niche-related genes Sdf-1, Jagged-1, Scf, N-cad, Angpt1 and Vcam-1 and the osteoblast marker genes Osx, Opn, Runx2, and Alp, indicating that BM stress upon 5FU treatment activated the osteoblastic niche. Endosteal osteoblast expanded from a single layer to several layers 3 and 6 days after 5FU treatment. During the early recovery phase in 5FU-activated osteoblastic niches increased FGF2 expression and activated its downstream pERK. FGF2 treatment resulted in increased proliferation rate and the expression of niche marker genes in 5FU-activated osteoblastic niche cells. RNA-seq analysis in Osterix-positive osteoprogenitor cells isolated from 5FU-treated Osx-GFP mice showed significantly increased expression of Fgf receptors Fgfr1, 2 and 3. Although osteoblastic niche cells were damaged by 5FU treatment in the beginning, the increased number of OB layers in the recovery phase may be derived from resident osteoprogenitor cells by FGF2 activation under stress. Conclusions Taken together, FGF2 signaling can regulate osteoblastic niche cells to support HSC homeostasis in response to bone marrow damage.
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Abstract
Stem cell niches are specialized microenvironments that promote the maintenance of stem cells and regulate their function. Recent advances have improved our understanding of the niches that maintain adult haematopoietic stem cells (HSCs). These advances include new markers for HSCs and niche cells, systematic analyses of the expression patterns of niche factors, genetic tools for functionally identifying niche cells in vivo, and improved imaging techniques. Together, they have shown that HSC niches are perivascular in the bone marrow and spleen. Endothelial cells and mesenchymal stromal cells secrete factors that promote HSC maintenance in these niches, but other cell types also directly or indirectly regulate HSC niches.
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34
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Traer E, Martinez J, Javidi-Sharifi N, Agarwal A, Dunlap J, English I, Kovacsovics T, Tyner JW, Wong M, Druker BJ. FGF2 from Marrow Microenvironment Promotes Resistance to FLT3 Inhibitors in Acute Myeloid Leukemia. Cancer Res 2016; 76:6471-6482. [PMID: 27671675 DOI: 10.1158/0008-5472.can-15-3569] [Citation(s) in RCA: 94] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2016] [Revised: 09/14/2016] [Accepted: 09/14/2016] [Indexed: 12/16/2022]
Abstract
Potent FLT3 inhibitors, such as quizartinib (AC220), have shown promise in treating acute myeloid leukemia (AML) containing FLT3 internal tandem duplication (ITD) mutations. However, responses are not durable and resistance develops within months. In this study, we outline a two-step model of resistance whereby extrinsic microenvironmental proteins FLT3 ligand (FL) and fibroblast growth factor 2 (FGF2) protect FLT3-ITD+ MOLM14 cells from AC220, providing time for subsequent accumulation of ligand-independent resistance mechanisms. FL directly attenuated AC220 inhibition of FLT3, consistent with previous reports. Conversely, FGF2 promoted resistance through activation of FGFR1 and downstream MAPK effectors; these resistant cells responded synergistically to combinatorial inhibition of FGFR1 and FLT3. Removing FL or FGF2 from ligand-dependent resistant cultures transiently restored sensitivity to AC220, but accelerated acquisition of secondary resistance via reactivation of FLT3 and RAS/MAPK signaling. FLT3-ITD AML patients treated with AC220 developed increased FGF2 expression in marrow stromal cells, which peaked prior to overt clinical relapse and detection of resistance mutations. Overall, these results support a strategy of early combination therapy to target early survival signals from the bone marrow microenvironment, in particular FGF2, to improve the depth of response in FLT3-ITD AML. Cancer Res; 76(22); 6471-82. ©2016 AACR.
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Affiliation(s)
- Elie Traer
- Knight Cancer Institute, Oregon Health and Science University, Portland, Oregon. .,Division of Hematology and Medical Oncology, Oregon Health and Science University, Portland, Oregon
| | - Jacqueline Martinez
- Knight Cancer Institute, Oregon Health and Science University, Portland, Oregon
| | | | - Anupriya Agarwal
- Knight Cancer Institute, Oregon Health and Science University, Portland, Oregon.,Division of Hematology and Medical Oncology, Oregon Health and Science University, Portland, Oregon
| | - Jennifer Dunlap
- Knight Cancer Institute, Oregon Health and Science University, Portland, Oregon.,Department of Anatomic Pathology, Oregon Health and Science University, Portland, Oregon
| | - Isabel English
- Knight Cancer Institute, Oregon Health and Science University, Portland, Oregon
| | - Tibor Kovacsovics
- BMT, Blood and Marrow Transplant, Huntsman Cancer Institute, Salt Lake City, Utah
| | - Jeffrey W Tyner
- Knight Cancer Institute, Oregon Health and Science University, Portland, Oregon.,Department of Cell, Developmental, and Cancer Biology, Oregon Health and Science University, Portland, Oregon
| | - Melissa Wong
- Knight Cancer Institute, Oregon Health and Science University, Portland, Oregon.,Department of Cell, Developmental, and Cancer Biology, Oregon Health and Science University, Portland, Oregon
| | - Brian J Druker
- Knight Cancer Institute, Oregon Health and Science University, Portland, Oregon.,Division of Hematology and Medical Oncology, Oregon Health and Science University, Portland, Oregon.,Howard Hughes Medical Institute, Chevy Chase, Maryland
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35
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Ramasamy SK, Kusumbe AP, Itkin T, Gur-Cohen S, Lapidot T, Adams RH. Regulation of Hematopoiesis and Osteogenesis by Blood Vessel-Derived Signals. Annu Rev Cell Dev Biol 2016; 32:649-675. [PMID: 27576121 DOI: 10.1146/annurev-cellbio-111315-124936] [Citation(s) in RCA: 100] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
In addition to their conventional role as a versatile transport system, blood vessels provide signals controlling organ development, regeneration, and stem cell behavior. In the skeletal system, certain capillaries support perivascular osteoprogenitor cells and thereby control bone formation. Blood vessels are also a critical component of niche microenvironments for hematopoietic stem cells. Here we discuss key pathways and factors controlling endothelial cell behavior in bone, the role of vessels in osteogenesis, and the nature of vascular stem cell niches in bone marrow.
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Affiliation(s)
- Saravana K Ramasamy
- Department of Tissue Morphogenesis, Max Planck Institute for Molecular Biomedicine, D-48169 Münster, Germany; .,Faculty of Medicine, University of Münster, D-48149 Münster, Germany
| | - Anjali P Kusumbe
- Department of Tissue Morphogenesis, Max Planck Institute for Molecular Biomedicine, D-48169 Münster, Germany; .,Faculty of Medicine, University of Münster, D-48149 Münster, Germany
| | - Tomer Itkin
- Department of Immunology, The Weizmann Institute of Science, Rehovot, 76100, Israel;
| | - Shiri Gur-Cohen
- Department of Immunology, The Weizmann Institute of Science, Rehovot, 76100, Israel;
| | - Tsvee Lapidot
- Department of Immunology, The Weizmann Institute of Science, Rehovot, 76100, Israel;
| | - Ralf H Adams
- Department of Tissue Morphogenesis, Max Planck Institute for Molecular Biomedicine, D-48169 Münster, Germany; .,Faculty of Medicine, University of Münster, D-48149 Münster, Germany
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36
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Zewdu R, Risolino M, Barbulescu A, Ramalingam P, Butler JM, Selleri L. Spleen hypoplasia leads to abnormal stress hematopoiesis in mice with loss of Pbx homeoproteins in splenic mesenchyme. J Anat 2016; 229:153-69. [PMID: 27075259 PMCID: PMC5341595 DOI: 10.1111/joa.12479] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/07/2016] [Indexed: 01/01/2023] Open
Abstract
The spleen plays critical roles in immunity and also provides a permissive microenvironment for hematopoiesis. Previous studies have reported that the TALE-class homeodomain transcription factor Pbx1 is essential in hematopoietic stem and progenitor cells (HSPCs) for stem cell maintenance and progenitor expansion. However, the role of Pbx1 in the hematopoietic niche has not been investigated. Here we explored the effects that genetic perturbation of the splenic mesenchymal niche has on hematopoiesis upon loss of members of the Pbx family of homeoproteins. Splenic mesenchyme-specific inactivation of Pbx1 (SKO) on a Pbx2- or Pbx3-deficient genetic background (DKO) resulted in abnormal development of the spleen, which is dysmorphic and severely hypoplastic. This phenotype, in turn, affected the number of HSPCs in the fetal and adult spleen at steady state, as well as markedly impairing the kinetics of hematopoietic regeneration in adult mice after sub-lethal and lethal myelosuppressive irradiation. Spleens of mice with compound Pyx deficiency 8 days following sublethal irradiation displayed significant downregulation of multiple cytokine-encoding genes, including KitL/SCF, Cxcl12/SDF-1, IL-3, IL-4, GM-CSF/Csf2 IL-10, and Igf-1, compared with controls. KitL/SCF and Cxcl12/SDF-1 were recently shown to play key roles in the splenic niche in response to various haematopoietic stresses such as myeloablation, blood loss, or pregnancy. Our results demonstrate that, in addition to their intrinsic roles in HSPCs, non-cell autonomous functions of Pbx factors within the splenic niche contribute to the regulation of hematopoiesis, at least in part via the control of KitL/SCF and Cxcl12/SDF-1. Furthermore, our study establishes that abnormal spleen development and hypoplasia have deleterious effects on the efficiency of hematopoietic recovery after bone marrow injury.
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Affiliation(s)
- Rediet Zewdu
- Department of Cell and Developmental BiologyWeill Cornell MedicineNew YorkNYUSA
- Present address: Huntsman Cancer Institute University of UtahSalt Lake CityUTUSA
| | - Maurizio Risolino
- Department of Cell and Developmental BiologyWeill Cornell MedicineNew YorkNYUSA
- Program in Craniofacial BiologyDepartment of Orofacial Sciences & Department of AnatomyUniversity of California San FranciscoSan FranciscoCAUSA
| | | | | | - Jason M. Butler
- Department of Genetic MedicineWeill Cornell MedicineNew YorkNYUSA
| | - Licia Selleri
- Department of Cell and Developmental BiologyWeill Cornell MedicineNew YorkNYUSA
- Program in Craniofacial BiologyDepartment of Orofacial Sciences & Department of AnatomyUniversity of California San FranciscoSan FranciscoCAUSA
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Park MH, Lee JK, Kim N, Min WK, Lee JE, Kim KT, Akiyama H, Herzog H, Schuchman EH, Jin HK, Bae JS. Neuropeptide Y Induces Hematopoietic Stem/Progenitor Cell Mobilization by Regulating Matrix Metalloproteinase-9 Activity Through Y1 Receptor in Osteoblasts. Stem Cells 2016; 34:2145-56. [PMID: 27090492 DOI: 10.1002/stem.2383] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2015] [Revised: 03/04/2016] [Accepted: 03/26/2016] [Indexed: 12/15/2022]
Abstract
Hematopoietic stem/progenitor cell (HSPC) mobilization is an essential homeostatic process regulated by the interaction of cellular and molecular components in bone marrow niches. It has been shown by others that neurotransmitters released from the sympathetic nervous system regulate HSPC egress from bone marrow to peripheral blood. In this study, we investigate the functional role of neuropeptide Y (NPY) on this process. NPY deficient mice had significantly impaired HSPC mobilization due to increased expression of HSPC maintenance factors by reduction of matrix metalloproteinase-9 (MMP-9) activity in bone marrow. Pharmacological or endogenous elevation of NPY led to decrease of HSPC maintenance factors expression by activating MMP-9 in osteoblasts, resulting in HSPC mobilization. Mice in which the Y1 receptor was deleted in osteoblasts did not exhibit HSPC mobilization by NPY. Furthermore, NPY treatment in ovariectomized mice caused reduction of bone loss due to HSPC mobilization. These results suggest a new role of NPY on HSPC mobilization, as well as the potential therapeutic application of this neuropeptide for stem cell-based therapy. Stem Cells 2016;34:2145-2156.
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Affiliation(s)
- Min Hee Park
- Stem Cell Neuroplasticity Research Group, Kyungpook National University, Kyungpook National University, Daegu, Korea.,Department of Physiology, Cell and Matrix Research Institute, School of Medicine, Kyungpook National University, Daegu, Korea.,Department of Biomedical Science, BK21 Plus KNU Biomedical Convergence Program, Kyungpook National University, Daegu, Korea
| | - Jong Kil Lee
- Stem Cell Neuroplasticity Research Group, Kyungpook National University, Kyungpook National University, Daegu, Korea.,Department of Physiology, Cell and Matrix Research Institute, School of Medicine, Kyungpook National University, Daegu, Korea.,Department of Biomedical Science, BK21 Plus KNU Biomedical Convergence Program, Kyungpook National University, Daegu, Korea
| | - Namoh Kim
- Stem Cell Neuroplasticity Research Group, Kyungpook National University, Kyungpook National University, Daegu, Korea.,Department of Physiology, Cell and Matrix Research Institute, School of Medicine, Kyungpook National University, Daegu, Korea.,Department of Biomedical Science, BK21 Plus KNU Biomedical Convergence Program, Kyungpook National University, Daegu, Korea
| | - Woo-Kie Min
- Department of Orthopaedic Surgery, Kyungpook National University Hospital, Daegu, Korea
| | - Jeong Eun Lee
- Department of Radiation Oncology, Kyungpook National University Hospital, Daegu, Korea
| | - Kyoung-Tae Kim
- Department of Neurosurgery School of Medicine, Kyungpook National University, Daegu, Korea
| | | | - Herbert Herzog
- Neuroscience Research Program, Neuroscience Division, Garvan Institute of Medical Research, Sydney, Australia
| | - Edward H Schuchman
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Hee Kyung Jin
- Stem Cell Neuroplasticity Research Group, Kyungpook National University, Kyungpook National University, Daegu, Korea.,Department of Laboratory Animal Medicine, College of Veterinary Medicine, Kyungpook National University, Daegu, Korea
| | - Jae-Sung Bae
- Stem Cell Neuroplasticity Research Group, Kyungpook National University, Kyungpook National University, Daegu, Korea.,Department of Physiology, Cell and Matrix Research Institute, School of Medicine, Kyungpook National University, Daegu, Korea.,Department of Biomedical Science, BK21 Plus KNU Biomedical Convergence Program, Kyungpook National University, Daegu, Korea
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38
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Zhan H, Ma Y, Lin CHS, Kaushansky K. JAK2 V617F-mutant megakaryocytes contribute to hematopoietic stem/progenitor cell expansion in a model of murine myeloproliferation. Leukemia 2016; 30:2332-2341. [PMID: 27133820 DOI: 10.1038/leu.2016.114] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2015] [Revised: 03/06/2016] [Accepted: 05/02/2016] [Indexed: 02/07/2023]
Abstract
The myeloproliferative neoplasms (MPNs) are characterized by hematopoietic stem/progenitor cell (HSPC) expansion and overproduction of mature blood cells. The JAK2V617F mutation is present in hematopoietic cells in a majority of patients with MPNs, but the mechanism(s) responsible for MPN stem cell expansion remain incomplete. One hallmark feature of the marrow in patients with MPNs is megakaryocyte (MK) hyperplasia. We report here that mice bearing a human JAK2V617F gene restricted exclusively to the MK lineage develop many of the features of a MPN. Specifically, these mice exhibit thrombocytosis, splenomegaly, increased numbers of marrow and splenic hematopoietic progenitors and a substantial expansion of HSPCs. In addition, wild-type mice transplanted with cells from JAK2V617F-bearing MK marrow develop a myeloproliferative syndrome with thrombocytosis and erythrocytosis as well as pan-hematopoietic progenitor and stem cell expansion. As marrow histology in this murine model of myeloproliferation reveals a preferentially perivascular localization of JAK2V617F-mutant MKs and an increased marrow sinusoid vascular density, it adds to accumulating data that MKs are an important component of the marrow HSPC niche, and that MK expansion might indirectly contribute to the critical role of the thrombopoietin/c-Mpl signaling pathway in HSPC maintenance and expansion.
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Affiliation(s)
- H Zhan
- Division of Hematology-Oncology, Department of Medicine, Northport VA Medical Center, Northport, NY, USA.,Department of Medicine, Division of Hematology-Oncology, Stony Brook University, Stony Brook, NY, USA
| | - Y Ma
- Department of Pathology, Stony Brook University, Stony Brook, NY, USA
| | - C H S Lin
- Department of Medicine, Division of Hematology-Oncology, Stony Brook University, Stony Brook, NY, USA
| | - K Kaushansky
- Office of the Sr Vice President, Health Sciences, Stony Brook Medicine, NY, USA
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39
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Distinct bone marrow blood vessels differentially regulate haematopoiesis. Nature 2016; 532:323-8. [PMID: 27074509 PMCID: PMC6450701 DOI: 10.1038/nature17624] [Citation(s) in RCA: 481] [Impact Index Per Article: 60.1] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2015] [Accepted: 02/25/2016] [Indexed: 12/15/2022]
Abstract
Bone marrow (BM) endothelial cells (BMECs) form a network of blood vessels (BVs) which regulate both leukocyte trafficking and hematopoietic stem and progenitor cell (HSPC) maintenance. However, it is not clear how BMECs balance these dual roles and if these events occur at the same vascular site. We found that BM stem cell maintenance and leukocyte trafficking are regulated by distinct BV types with different permeability properties. Less permeable arterial BVs maintain HSCs in a low reactive oxygen species (ROS) state, whereas the more permeable sinusoids promote HSPC activation and are the exclusive site for immature and mature leukocyte trafficking to and from the BM. A functional consequence of high BVs permeability is that exposure to blood plasma increases BM HSPC ROS levels, augmenting their migration capacity while compromising their long term repopulation and survival potential. These findings may have relevance for clinical hematopoietic stem cell transplantation and mobilization protocols.
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40
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Sugimura R. Bioengineering Hematopoietic Stem Cell Niche toward Regenerative Medicine. Adv Drug Deliv Rev 2016; 99:212-220. [PMID: 26527127 DOI: 10.1016/j.addr.2015.10.010] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2015] [Revised: 09/20/2015] [Accepted: 10/15/2015] [Indexed: 12/20/2022]
Abstract
The scope of this chapter is to introduce the current consensus of hematopoietic stem cell (HSC) niche biology to bioengineering field so that can apply to regenerative medicine. A decade of research has been addressing "what is HSC niche", then next step is "how it advances medicine". The demand to improve HSC transplantation has advanced the methodology to expand HSC in vitro. Still precise modeling of bone marrow (BM) is demanded by bioengineering HSC niche in vitro. Better understanding of HSC niche is essential toward this progress. Now it would be the time to apply the knowledge of HSC niche field to the venue of bioengineering, so that a promising new approach to regenerative medicine might appear. This chapter describes the current consensus of niche that endothelial cell and perivascular mesenchymal stromal cell maintain HSC, expansion of cord blood HSC by small molecules, bioengineering efforts to model HSC niche by microfluidics chip, organoids, and breakthroughs to induce HSC from heterologous types of cells.
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41
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Lu W, Wang W, Wang S, Feng Y, Liu K. Rosiglitazone Promotes Bone Marrow Adipogenesis to Impair Myelopoiesis under Stress. PLoS One 2016; 11:e0149543. [PMID: 26895498 PMCID: PMC4760757 DOI: 10.1371/journal.pone.0149543] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2015] [Accepted: 02/02/2016] [Indexed: 01/04/2023] Open
Abstract
Objective The therapeutic use of thiazolidinediones (TZDs) causes unwanted hematological side effects, although the underlying mechanisms of these effects are poorly understood. This study tests the hypothesis that rosiglitazone impairs the maintenance and differentiation of hematopoietic stem/progenitor cells, which ultimately leads to hematological abnormalities. Methods Mice were fed a rosiglitazone-supplemented diet or a normal diet for 6 weeks. To induce hematopoietic stress, all mice were injected once with 250 mg/kg 5-fluorouracil (5-Fu) intraperitoneally. Next, hematopoietic recovery, hematopoietic stem/progenitor cells (HSPCs) subsets, and myeloid differentiation after 5-Fu treatment were evaluated. The adipogenesis induced by rosiglitazone was assessed by histopathology and oil red O staining. The effect of adipocytes on HSPCs was studied with an in vitro co-culture system. Results Rosiglitazone significantly enhanced bone marrow adipogenesis and delayed hematopoietic recovery after 5-Fu treatment. Moreover, rosiglitazone inhibited proliferation of a granulocyte/monocyte progenitor (GMP) cell population and granulocyte/macrophage colony-stimulating factor (GM-CSF) colonies, although the proliferation and mobilization of Lin-c-kit+Sca-1+ cells (LSK) was maintained following hematopoietic stress. These effects could be partially reversed by the selective PPARγ antagonist BADGE. Finally, we demonstrated in a co-culture system that differentiated adipocytes actively suppressed the myeloid differentiation of HSPCs. Conclusion Taken together, our results demonstrate that rosiglitazone inhibits myeloid differentiation of HSPCs after stress partially by inducing bone marrow adipogenesis. Targeting the bone marrow microenvironment might be one mechanism by which rosiglitazone impairs stress-induced hematopoiesis.
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Affiliation(s)
- Wenyi Lu
- Department of Hematology, Peking University People’s Hospital, Beijing, China
- Institute of Hematology, Peking University, Beijing, China
- Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China
- Collaborative Innovation Center of Hematology, Peking University, Beijing, China
| | - Weimin Wang
- Department of Hematology, Peking University People’s Hospital, Beijing, China
- Institute of Hematology, Peking University, Beijing, China
- Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China
| | - Shujuan Wang
- Department of Hematology, Peking University People’s Hospital, Beijing, China
- Institute of Hematology, Peking University, Beijing, China
- Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China
| | - Yonghuai Feng
- Department of Hematology, Peking University People’s Hospital, Beijing, China
- Institute of Hematology, Peking University, Beijing, China
- Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China
| | - Kaiyan Liu
- Department of Hematology, Peking University People’s Hospital, Beijing, China
- Institute of Hematology, Peking University, Beijing, China
- Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China
- Collaborative Innovation Center of Hematology, Peking University, Beijing, China
- * E-mail:
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42
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Regulation of hematopoietic stem cells in the niche. SCIENCE CHINA-LIFE SCIENCES 2015; 58:1209-15. [DOI: 10.1007/s11427-015-4960-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2015] [Accepted: 09/17/2015] [Indexed: 12/31/2022]
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43
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ω-3 Fatty Acids Reduce Chemotherapy-Induced Hematological Toxicity by Bone Marrow Stimulation in Mice. JPEN J Parenter Enteral Nutr 2015. [DOI: 10.1177/0148607115597887] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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44
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Agas D, Marchetti L, Douni E, Sabbieti MG. The unbearable lightness of bone marrow homeostasis. Cytokine Growth Factor Rev 2015; 26:347-59. [DOI: 10.1016/j.cytogfr.2014.12.004] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2014] [Revised: 11/22/2014] [Accepted: 12/17/2014] [Indexed: 01/10/2023]
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45
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Ornitz DM, Itoh N. The Fibroblast Growth Factor signaling pathway. WILEY INTERDISCIPLINARY REVIEWS. DEVELOPMENTAL BIOLOGY 2015; 4:215-66. [PMID: 25772309 PMCID: PMC4393358 DOI: 10.1002/wdev.176] [Citation(s) in RCA: 1327] [Impact Index Per Article: 147.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2014] [Revised: 11/23/2014] [Accepted: 01/08/2015] [Indexed: 12/13/2022]
Abstract
The signaling component of the mammalian Fibroblast Growth Factor (FGF) family is comprised of eighteen secreted proteins that interact with four signaling tyrosine kinase FGF receptors (FGFRs). Interaction of FGF ligands with their signaling receptors is regulated by protein or proteoglycan cofactors and by extracellular binding proteins. Activated FGFRs phosphorylate specific tyrosine residues that mediate interaction with cytosolic adaptor proteins and the RAS-MAPK, PI3K-AKT, PLCγ, and STAT intracellular signaling pathways. Four structurally related intracellular non-signaling FGFs interact with and regulate the family of voltage gated sodium channels. Members of the FGF family function in the earliest stages of embryonic development and during organogenesis to maintain progenitor cells and mediate their growth, differentiation, survival, and patterning. FGFs also have roles in adult tissues where they mediate metabolic functions, tissue repair, and regeneration, often by reactivating developmental signaling pathways. Consistent with the presence of FGFs in almost all tissues and organs, aberrant activity of the pathway is associated with developmental defects that disrupt organogenesis, impair the response to injury, and result in metabolic disorders, and cancer. For further resources related to this article, please visit the WIREs website.
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Affiliation(s)
- David M Ornitz
- Department of Developmental Biology, Washington University School of MedicineSt. Louis, MO, USA
- *
Correspondence to:
| | - Nobuyuki Itoh
- Graduate School of Pharmaceutical Sciences, Kyoto UniversitySakyo, Kyoto, Japan
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46
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The therapeutic potential of a novel non-ATP-competitive fibroblast growth factor receptor 1 inhibitor on gastric cancer. Anticancer Drugs 2015; 26:379-87. [DOI: 10.1097/cad.0000000000000195] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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47
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FGF signalling restricts haematopoietic stem cell specification via modulation of the BMP pathway. Nat Commun 2014; 5:5588. [PMID: 25429520 DOI: 10.1038/ncomms6588] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2014] [Accepted: 10/17/2014] [Indexed: 12/24/2022] Open
Abstract
Haematopoietic stem cells (HSCs) are produced during embryogenesis from the floor of the dorsal aorta. The localization of HSCs is dependent on the presence of instructive signals on the ventral side of the vessel. The nature of the extrinsic molecular signals that control the aortic haematopoietic niche is currently poorly understood. Here we demonstrate a novel requirement for FGF signalling in the specification of aortic haemogenic endothelium. Our results demonstrate that FGF signalling normally acts to repress BMP activity in the subaortic mesenchyme through transcriptional inhibition of bmp4, as well as through activation of two BMP antagonists, noggin2 and gremlin1a. Taken together, these findings demonstrate a key role for FGF signalling in establishment of the developmental HSC niche via its regulation of BMP activity in the subaortic mesenchyme. These results should help inform strategies to recapitulate the development of HSCs in vitro from pluripotent precursors.
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48
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Lee Y, Manegold JE, Kim AD, Pouget C, Stachura DL, Clements WK, Traver D. FGF signalling specifies haematopoietic stem cells through its regulation of somitic Notch signalling. Nat Commun 2014; 5:5583. [PMID: 25428693 PMCID: PMC4271318 DOI: 10.1038/ncomms6583] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2014] [Accepted: 10/16/2014] [Indexed: 01/07/2023] Open
Abstract
Hematopoietic stem cells (HSCs) derive from hemogenic endothelial cells of the primitive dorsal aorta (DA) during vertebrate embryogenesis. The molecular mechanisms governing this unique endothelial to hematopoietic transition remain unclear. Here, we demonstrate a novel requirement for fibroblast growth factor (FGF) signaling in HSC emergence. This requirement is non-cell-autonomous, and acts within the somite to bridge the Wnt and Notch signaling pathways. We previously demonstrated that Wnt16 regulates the somitic expression of two Notch ligands, deltaC (dlc) and deltaD (dld), whose combined function is required for HSC fate. How Wnt16 connects to Notch function has remained an open question. Our current studies demonstrate that FGF signaling, via FGF receptor 4 (Fgfr4), mediates a signal transduction pathway between Wnt16 and Dlc, but not Dld, to regulate HSC specification. Our findings demonstrate that FGF signaling acts as a key molecular relay within the developmental HSC niche to instruct HSC fate.
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Affiliation(s)
- Yoonsung Lee
- Department of Cellular and Molecular Medicine and Section of Cell and Developmental Biology, University of California, San Diego, La Jolla, California 92093, USA
| | - Jennifer E Manegold
- Department of Cellular and Molecular Medicine and Section of Cell and Developmental Biology, University of California, San Diego, La Jolla, California 92093, USA
| | - Albert D Kim
- Department of Cellular and Molecular Medicine and Section of Cell and Developmental Biology, University of California, San Diego, La Jolla, California 92093, USA
| | - Claire Pouget
- Department of Cellular and Molecular Medicine and Section of Cell and Developmental Biology, University of California, San Diego, La Jolla, California 92093, USA
| | - David L Stachura
- 1] Department of Cellular and Molecular Medicine and Section of Cell and Developmental Biology, University of California, San Diego, La Jolla, California 92093, USA [2] Department of Biological Sciences, California State University, Chico, California 95929, USA
| | - Wilson K Clements
- 1] Department of Cellular and Molecular Medicine and Section of Cell and Developmental Biology, University of California, San Diego, La Jolla, California 92093, USA [2] Department of Hematology, St Jude Children's Research Hospital, Memphis, Tennessee 38105, USA
| | - David Traver
- Department of Cellular and Molecular Medicine and Section of Cell and Developmental Biology, University of California, San Diego, La Jolla, California 92093, USA
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Megakaryocytes maintain homeostatic quiescence and promote post-injury regeneration of hematopoietic stem cells. Nat Med 2014; 20:1321-6. [PMID: 25326798 DOI: 10.1038/nm.3706] [Citation(s) in RCA: 408] [Impact Index Per Article: 40.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2014] [Accepted: 09/02/2014] [Indexed: 12/15/2022]
Abstract
Multiple bone marrow stromal cell types have been identified as hematopoietic stem cell (HSC)-regulating niche cells. However, whether HSC progeny can serve directly as HSC niche cells has not previously been shown. Here we report a dichotomous role of megakaryocytes (MKs) in both maintaining HSC quiescence during homeostasis and promoting HSC regeneration after chemotherapeutic stress. We show that MKs are physically associated with HSCs in the bone marrow of mice and that MK ablation led to activation of quiescent HSCs and increased HSC proliferation. RNA sequencing (RNA-seq) analysis revealed that transforming growth factor β1 (encoded by Tgfb1) is expressed at higher levels in MKs as compared to other stromal niche cells. MK ablation led to reduced levels of biologically active TGF-β1 protein in the bone marrow and nuclear-localized phosphorylated SMAD2/3 (pSMAD2/3) in HSCs, suggesting that MKs maintain HSC quiescence through TGF-β-SMAD signaling. Indeed, TGF-β1 injection into mice in which MKs had been ablated restored HSC quiescence, and conditional deletion of Tgfb1 in MKs increased HSC activation and proliferation. These data demonstrate that TGF-β1 is a dominant signal emanating from MKs that maintains HSC quiescence. However, under conditions of chemotherapeutic challenge, MK ablation resulted in a severe defect in HSC expansion. In response to stress, fibroblast growth factor 1 (FGF1) signaling from MKs transiently dominates over TGF-β inhibitory signaling to stimulate HSC expansion. Overall, these observations demonstrate that MKs serve as HSC-derived niche cells to dynamically regulate HSC function.
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50
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Hematopoietic stem cell niche maintenance during homeostasis and regeneration. Nat Med 2014; 20:833-46. [PMID: 25100529 DOI: 10.1038/nm.3647] [Citation(s) in RCA: 560] [Impact Index Per Article: 56.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2014] [Accepted: 07/03/2014] [Indexed: 02/08/2023]
Abstract
The bone marrow niche has mystified scientists for many years, leading to widespread investigation to shed light into its molecular and cellular composition. Considerable efforts have been devoted toward uncovering the regulatory mechanisms of hematopoietic stem cell (HSC) niche maintenance. Recent advances in imaging and genetic manipulation of mouse models have allowed the identification of distinct vascular niches that have been shown to orchestrate the balance between quiescence, proliferation and regeneration of the bone marrow after injury. Here we highlight the recently discovered intrinsic mechanisms, microenvironmental interactions and communication with surrounding cells involved in HSC regulation, during homeostasis and in regeneration after injury and discuss their implications for regenerative therapy.
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