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Gilbert SJ, Jones R, Egan BJ, Bonnet CS, Evans SL, Mason DJ. Investigating mechanical and inflammatory pathological mechanisms in osteoarthritis using MSC-derived osteocyte-like cells in 3D. Front Endocrinol (Lausanne) 2024; 15:1359052. [PMID: 39157681 PMCID: PMC11328832 DOI: 10.3389/fendo.2024.1359052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Accepted: 07/17/2024] [Indexed: 08/20/2024] Open
Abstract
Introduction Changes to bone physiology play a central role in the development of osteoarthritis with the mechanosensing osteocyte releasing factors that drive disease progression. This study developed a humanised in vitro model to detect osteocyte responses to either interleukin-6, a driver of degeneration and bone remodelling in animal and human joint injury, or mechanical loading, to mimic osteoarthritis stimuli in joints. Methods Human MSC cells (Y201) were differentiated in 3-dimensional type I collagen gels in osteogenic media and osteocyte phenotype assessed by RTqPCR and immunostaining. Gels were subjected to a single pathophysiological load or stimulated with interleukin-6 with unloaded or unstimulated cells as controls. RNA was extracted 1-hour post-load and assessed by RNAseq. Markers of pain, bone remodelling, and inflammation were quantified by RT-qPCR and ELISA. Results Y201 cells embedded within 3D collagen gels assumed dendritic morphology and expressed mature osteocytes markers. Mechanical loading of the osteocyte model regulated 7564 genes (Padj p<0.05, 3026 down, 4538 up). 93% of the osteocyte transcriptome signature was expressed in the model with 38% of these genes mechanically regulated. Mechanically loaded osteocytes regulated 26% of gene ontology pathways linked to OA pain, 40% reflecting bone remodelling and 27% representing inflammation. Load regulated genes associated with osteopetrosis, osteoporosis and osteoarthritis. 42% of effector genes in a genome-wide association study meta-analysis were mechanically regulated by osteocytes with 10 genes representing potential druggable targets. Interleukin-6 stimulation of osteocytes at concentrations reported in human synovial fluids from patients with OA or following knee injury, regulated similar readouts to mechanical loading including markers of pain, bone remodelling, and inflammation. Discussion We have developed a reproducible model of human osteocyte like cells that express >90% of the genes in the osteocyte transcriptome signature. Mechanical loading and inflammatory stimulation regulated genes and proteins implicated in osteoarthritis symptoms of pain as well as inflammation and degeneration underlying disease progression. Nearly half of the genes classified as 'effectors' in GWAS were mechanically regulated in this model. This model will be useful in identifying new mechanisms underlying bone and joint pathologies and testing drugs targeting those mechanisms.
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Affiliation(s)
- Sophie J. Gilbert
- Biomechanics and Bioengineering Centre Versus Arthritis, School of Biosciences, Cardiff University, Cardiff, United Kingdom
| | - Ryan Jones
- Biomechanics and Bioengineering Centre Versus Arthritis, School of Biosciences, Cardiff University, Cardiff, United Kingdom
| | - Ben J. Egan
- Biomechanics and Bioengineering Centre Versus Arthritis, School of Biosciences, Cardiff University, Cardiff, United Kingdom
| | - Cleo Selina Bonnet
- Biomechanics and Bioengineering Centre Versus Arthritis, School of Biosciences, Cardiff University, Cardiff, United Kingdom
| | - Sam L. Evans
- Biomechanics and Bioengineering Centre Versus Arthritis, School of Biosciences, Cardiff University, Cardiff, United Kingdom
- Biomechanics and Bioengineering Centre Versus Arthritis, School of Engineering, Cardiff University, Cardiff, United Kingdom
| | - Deborah J. Mason
- Biomechanics and Bioengineering Centre Versus Arthritis, School of Biosciences, Cardiff University, Cardiff, United Kingdom
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Pereira AL, Galli S, Nombela‐Arrieta C. Bone marrow niches for hematopoietic stem cells. Hemasphere 2024; 8:e133. [PMID: 39086665 PMCID: PMC11289431 DOI: 10.1002/hem3.133] [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: 02/01/2024] [Revised: 04/05/2024] [Accepted: 05/06/2024] [Indexed: 08/02/2024] Open
Abstract
Hematopoietic stem cells (HSCs) are the cornerstone of the hematopoietic system. HSCs sustain the continuous generation of mature blood derivatives while self-renewing to preserve a relatively constant pool of progenitors throughout life. Yet, long-term maintenance of functional HSCs exclusively takes place in association with their native tissue microenvironment of the bone marrow (BM). HSCs have been long proposed to reside in fixed and identifiable anatomical units found in the complex BM tissue landscape, which control their identity and fate in a deterministic manner. In the last decades, tremendous progress has been made in the dissection of the cellular and molecular fabric of the BM, the structural organization governing tissue function, and the plethora of interactions established by HSCs. Nonetheless, a holistic model of the mechanisms controlling HSC regulation in their niche is lacking to date. Here, we provide an overview of our current understanding of BM anatomy, HSC localization, and crosstalk within local cellular neighborhoods in murine and human tissues, and highlight fundamental open questions on how HSCs functionally integrate in the BM microenvironment.
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Affiliation(s)
- Ana Luísa Pereira
- Department of Medical Oncology and HematologyUniversity Hospital and University of ZurichZurichSwitzerland
| | - Serena Galli
- Department of Medical Oncology and HematologyUniversity Hospital and University of ZurichZurichSwitzerland
| | - César Nombela‐Arrieta
- Department of Medical Oncology and HematologyUniversity Hospital and University of ZurichZurichSwitzerland
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Quarato ER, Salama NA, Calvi LM. Interplay Between Skeletal and Hematopoietic Cells in the Bone Marrow Microenvironment in Homeostasis and Aging. Curr Osteoporos Rep 2024; 22:416-432. [PMID: 38782850 DOI: 10.1007/s11914-024-00874-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/05/2024] [Indexed: 05/25/2024]
Abstract
PURPOSE OF THE REVIEW In this review, we discuss the most recent scientific advances on the reciprocal regulatory interactions between the skeletal and hematopoietic stem cell niche, focusing on immunomodulation and its interplay with the cell's mitochondrial function, and how this impacts osteoimmune health during aging and disease. RECENT FINDINGS Osteoimmunology investigates interactions between cells that make up the skeletal stem cell niche and immune system. Much work has investigated the complexity of the bone marrow microenvironment with respect to the skeletal and hematopoietic stem cells that regulate skeletal formation and immune health respectively. It has now become clear that these cellular components cooperate to maintain homeostasis and that dysfunction in their interaction can lead to aging and disease. Having a deeper, mechanistic appreciation for osteoimmune regulation will lead to better research perspective and therapeutics with the potential to improve the aging process, skeletal and hematologic regeneration, and disease targeting.
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Affiliation(s)
- Emily R Quarato
- Department of Environmental Medicine, University of Rochester Medical Center, Rochester, NY, USA.
- James P. Wilmot Cancer Institute, University of Rochester Medical Center, Rochester, NY, USA.
- Center for Musculoskeletal Research, University of Rochester Medical Center, Rochester, NY, USA.
| | - Noah A Salama
- James P. Wilmot Cancer Institute, University of Rochester Medical Center, Rochester, NY, USA.
- Center for Musculoskeletal Research, University of Rochester Medical Center, Rochester, NY, USA.
- Department of Microbiology and Immunology, University of Rochester Medical Center, Rochester, NY, USA.
| | - Laura M Calvi
- James P. Wilmot Cancer Institute, University of Rochester Medical Center, Rochester, NY, USA.
- Center for Musculoskeletal Research, University of Rochester Medical Center, Rochester, NY, USA.
- Department of Medicine, University of Rochester Medical Center, Rochester, NY, USA.
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Beeraka NM, Basappa B, Nikolenko VN, Mahesh PA. Role of Neurotransmitters in Steady State Hematopoiesis, Aging, and Leukemia. Stem Cell Rev Rep 2024:10.1007/s12015-024-10761-z. [PMID: 38976142 DOI: 10.1007/s12015-024-10761-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/02/2024] [Indexed: 07/09/2024]
Abstract
Haematopoiesis within the bone marrow (BM) represents a complex and dynamic process intricately regulated by neural signaling pathways. This delicate orchestration is susceptible to disruption by factors such as aging, diabetes, and obesity, which can impair the BM niche and consequently affect haematopoiesis. Genetic mutations in Tet2, Dnmt3a, Asxl1, and Jak2 are known to give rise to clonal haematopoiesis of intermediate potential (CHIP), a condition linked to age-related haematological malignancies. Despite these insights, the exact roles of circadian rhythms, sphingosine-1-phosphate (S1P), stromal cell-derived factor-1 (SDF-1), sterile inflammation, and the complement cascade on various BM niche cells remain inadequately understood. Further research is needed to elucidate how BM niche cells contribute to these malignancies through neural regulation and their potential in the development of gene-corrected stem cells. This literature review describes the updated functional aspects of BM niche cells in haematopoiesis within the context of haematological malignancies, with a particular focus on neural signaling and the potential of radiomitigators in acute radiation syndrome. Additionally, it underscores the pressing need for technological advancements in stem cell-based therapies to alleviate the impacts of immunological stressors. Recent studies have illuminated the microheterogeneity and temporal stochasticity of niche cells within the BM during haematopoiesis, emphasizing the updated roles of neural signaling and immunosurveillance. The development of gene-corrected stem cells capable of producing blood, immune cells, and tissue-resident progeny is essential for combating age-related haematological malignancies and overcoming immunological challenges. This review aims to provide a comprehensive overview of these evolving insights and their implications for future therapeutic strategies.
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Affiliation(s)
- Narasimha M Beeraka
- Herman B. Wells Center for Pediatric Research, Department of Pediatrics, Indiana University School of Medicine, 1044 W. Walnut Street, R4-168, Indianapolis, IN, 46202, USA.
- Department of Human Anatomy and Histology, I.M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University), 8/2 Trubetskaya Str., Moscow, 119991, Russia.
- Raghavendra Institute of Pharmaceutical Education and Research (RIPER), Anantapuramu, Chiyyedu, Andhra Pradesh, 515721, India.
| | - Basappa Basappa
- Department of Studies in Organic Chemistry, Laboratory of Chemical Biology, University of Mysore, Mysore, Karnataka, 570006, India
| | - Vladimir N Nikolenko
- Department of Human Anatomy and Histology, I.M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University), 8/2 Trubetskaya Str., Moscow, 119991, Russia
| | - P A Mahesh
- Department of Pulmonary Medicine, JSS Medical College, JSS Academy of Higher Education & Research (JSS AHER), Mysuru, Karnataka, India
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Ballesteros-Ribelles A, Millán-López A, Carmona-Luque MD, Herrera C. Granulocyte Colony Stimulating Factor-Mobilized Peripheral Blood Mononuclear Cells: An Alternative Cellular Source for Chimeric Antigen Receptor Therapy. Int J Mol Sci 2024; 25:5769. [PMID: 38891957 PMCID: PMC11171785 DOI: 10.3390/ijms25115769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2024] [Revised: 05/21/2024] [Accepted: 05/23/2024] [Indexed: 06/21/2024] Open
Abstract
Lymphocyte collection by apheresis for CAR-T production usually does not include blood mobilized using granulocyte colony stimulating factor (G-CSF) due to the widespread knowledge that it causes a decrease in the number and functionality of lymphocytes. However, it is used for stem cell transplant, which is a common treatment for hematological malignancies. The growing demand for CAR therapies (CAR-T and NK-CAR), both in research and clinics, makes it necessary to evaluate whether mobilized PBSC products may be potential candidates for use in such therapies. This review collects recent works that experimentally verify the role and functionality of T and NK lymphocytes and the generation of CAR-T from apheresis after G-CSF mobilization. As discussed, T cells do not vary significantly in their phenotype, the ratio of CD4+ and CD8+ remains constant, and the different sub-populations remain stable. In addition, the expansion and proliferation rates are invariant regardless of mobilization with G-CSF as well as the secretion of proinflammatory cytokines and the cytotoxic ability. Therefore, cells mobilized before apheresis are postulated as a new alternative source of T cells for adoptive therapies that will serve to alleviate high demand, increase availability, and take advantage of the substantial number of existing cryopreserved products.
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Affiliation(s)
| | - Alejandro Millán-López
- Cell Therapy Group, Maimonides Institute for Biomedical Research, 14004 Córdoba, Spain; (A.B.-R.); (A.M.-L.)
| | - MDolores Carmona-Luque
- Cell Therapy Group, Maimonides Institute for Biomedical Research, 14004 Córdoba, Spain; (A.B.-R.); (A.M.-L.)
| | - Concha Herrera
- Cell Therapy Group, Maimonides Institute for Biomedical Research, 14004 Córdoba, Spain; (A.B.-R.); (A.M.-L.)
- Department of Hematology, Reina Sofia University Hospital, 14004 Córdoba, Spain
- Department of Medical and Surgical Sciences, University of Córdoba, 14004 Córdoba, Spain
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Zhao Y, Peng X, Wang Q, Zhang Z, Wang L, Xu Y, Yang H, Bai J, Geng D. Crosstalk Between the Neuroendocrine System and Bone Homeostasis. Endocr Rev 2024; 45:95-124. [PMID: 37459436 DOI: 10.1210/endrev/bnad025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Indexed: 01/05/2024]
Abstract
The homeostasis of bone microenvironment is the foundation of bone health and comprises 2 concerted events: bone formation by osteoblasts and bone resorption by osteoclasts. In the early 21st century, leptin, an adipocytes-derived hormone, was found to affect bone homeostasis through hypothalamic relay and the sympathetic nervous system, involving neurotransmitters like serotonin and norepinephrine. This discovery has provided a new perspective regarding the synergistic effects of endocrine and nervous systems on skeletal homeostasis. Since then, more studies have been conducted, gradually uncovering the complex neuroendocrine regulation underlying bone homeostasis. Intriguingly, bone is also considered as an endocrine organ that can produce regulatory factors that in turn exert effects on neuroendocrine activities. After decades of exploration into bone regulation mechanisms, separate bioactive factors have been extensively investigated, whereas few studies have systematically shown a global view of bone homeostasis regulation. Therefore, we summarized the previously studied regulatory patterns from the nervous system and endocrine system to bone. This review will provide readers with a panoramic view of the intimate relationship between the neuroendocrine system and bone, compensating for the current understanding of the regulation patterns of bone homeostasis, and probably developing new therapeutic strategies for its related disorders.
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Affiliation(s)
- Yuhu Zhao
- Department of Orthopedics, The First Affiliated Hospital of Soochow University; Orthopedics Institute, Medical College, Soochow University, Suzhou, Jiangsu 215006, China
| | - Xiaole Peng
- Department of Orthopedics, The First Affiliated Hospital of Soochow University; Orthopedics Institute, Medical College, Soochow University, Suzhou, Jiangsu 215006, China
| | - Qing Wang
- Department of Orthopedics, The First Affiliated Hospital of Soochow University; Orthopedics Institute, Medical College, Soochow University, Suzhou, Jiangsu 215006, China
| | - Zhiyu Zhang
- Department of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, China
| | - Liangliang Wang
- Department of Orthopedics, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou, Jiangsu 213000, China
| | - Yaozeng Xu
- Department of Orthopedics, The First Affiliated Hospital of Soochow University; Orthopedics Institute, Medical College, Soochow University, Suzhou, Jiangsu 215006, China
| | - Huilin Yang
- Department of Orthopedics, The First Affiliated Hospital of Soochow University; Orthopedics Institute, Medical College, Soochow University, Suzhou, Jiangsu 215006, China
| | - Jiaxiang Bai
- Department of Orthopedics, The First Affiliated Hospital of Soochow University; Orthopedics Institute, Medical College, Soochow University, Suzhou, Jiangsu 215006, China
- Department of Orthopedics, Division of Life Sciences and Medicine, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei 230022, China
| | - Dechun Geng
- Department of Orthopedics, The First Affiliated Hospital of Soochow University; Orthopedics Institute, Medical College, Soochow University, Suzhou, Jiangsu 215006, China
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Zheng K, Wei Z, Li W. Ecological insights into hematopoiesis regulation: unraveling the influence of gut microbiota. Gut Microbes 2024; 16:2350784. [PMID: 38727219 PMCID: PMC11093038 DOI: 10.1080/19490976.2024.2350784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Accepted: 04/29/2024] [Indexed: 05/16/2024] Open
Abstract
The gut microbiota constitutes a vast ecological system within the human body, forming a mutually interdependent entity with the host. In recent years, advancements in molecular biology technologies have provided a clearer understanding of the role of the gut microbiota. They not only influence the local immune status and metabolic functions of the host's intestinal tract but also impact the functional transformation of hematopoietic stem cells (HSCs) through the gut-blood axis. In this review, we will discuss the role of the gut microbiota in influencing hematopoiesis. We analyze the interactions between HSCs and other cellular components, with a particular emphasis on the direct functional regulation of HSCs by the gut microbiota and their indirect influence through cellular components in the bone marrow microenvironment. Additionally, we propose potential control targets for signaling pathways triggered by the gut microbiota to regulate hematopoietic function, filling crucial knowledge gaps in the development of this research field.
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Affiliation(s)
- Kaiwen Zheng
- Cancer Center, the First Hospital of Jilin University, Changchun, China
| | - Zhifeng Wei
- Department of Hematology, The First Hospital of Jilin University, Changchun, China
| | - Wei Li
- Cancer Center, the First Hospital of Jilin University, Changchun, China
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Chen S, Yu Y, Xie S, Liang D, Shi W, Chen S, Li G, Tang W, Liu C, He Q. Local H 2 release remodels senescence microenvironment for improved repair of injured bone. Nat Commun 2023; 14:7783. [PMID: 38012166 PMCID: PMC10682449 DOI: 10.1038/s41467-023-43618-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 11/15/2023] [Indexed: 11/29/2023] Open
Abstract
The senescence microenvironment, which causes persistent inflammation and loss of intrinsic regenerative abilities, is a main obstacle to effective tissue repair in elderly individuals. In this work, we find that local H2 supply can remodel the senescence microenvironment by anti-inflammation and anti-senescence effects in various senescent cells from skeletally mature bone. We construct a H2-releasing scaffold which can release high-dosage H2 (911 mL/g, up to 1 week) by electrospraying polyhydroxyalkanoate-encapsulated CaSi2 nanoparticles onto mesoporous bioactive glass. We demonstrate efficient remodeling of the microenvironment and enhanced repair of critical-size bone defects in an aged mouse model. Mechanistically, we reveal that local H2 release alters the microenvironment from pro-inflammation to anti-inflammation by senescent macrophages repolarization and secretome change. We also show that H2 alleviates the progression of aging/injury-superposed senescence, facilitates the recruitment of endogenous cells and the preservation of their regeneration capability, thereby creating a pro-regenerative microenvironment able to support bone defect regeneration.
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Affiliation(s)
- Shengqiang Chen
- Key Laboratory of Human-Machine-Intelligence Synergic System, Research Center for Neural Engineering, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, Guangdong, China
- Shanghai Key Laboratory of Hydrogen Science & Center of Hydrogen Science, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Yuanman Yu
- The State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Songqing Xie
- Key Laboratory of Human-Machine-Intelligence Synergic System, Research Center for Neural Engineering, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, Guangdong, China
| | - Danna Liang
- Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, School of Biomedical Engineering, Health Science Center, Shenzhen University, Shenzhen, 518060, China
| | - Wei Shi
- Key Laboratory of Human-Machine-Intelligence Synergic System, Research Center for Neural Engineering, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, Guangdong, China
| | - Sizhen Chen
- Key Laboratory of Human-Machine-Intelligence Synergic System, Research Center for Neural Engineering, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, Guangdong, China
| | - Guanglin Li
- Key Laboratory of Human-Machine-Intelligence Synergic System, Research Center for Neural Engineering, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, Guangdong, China
| | - Wei Tang
- Key Laboratory of Human-Machine-Intelligence Synergic System, Research Center for Neural Engineering, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, Guangdong, China.
| | - Changsheng Liu
- The State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237, China.
| | - Qianjun He
- Shanghai Key Laboratory of Hydrogen Science & Center of Hydrogen Science, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China.
- Medical Center on Aging, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
- Shenzhen Research Institute, Shanghai Jiao Tong University, Shenzhen, 518057, China.
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Suzuki T, Ishii S, Katayama Y. Regulation of granulocyte colony-stimulating factor-induced hematopoietic stem cell mobilization by the sympathetic nervous system. Curr Opin Hematol 2023; 30:124-129. [PMID: 37052297 DOI: 10.1097/moh.0000000000000764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/14/2023]
Abstract
PURPOSE OF REVIEW Granulocyte colony-stimulating factor (G-CSF) is now a standard agent to mobilize hematopoietic stem cells (HSCs) from the bone marrow to circulation. This review introduced mechanistic insights from the aspect of the sympathetic nervous system (SNS). RECENT FINDINGS Mobilization efficiency is determined by the balance between promotion and suppression pathways critically regulated by the SNS. G-CSF-induced high catecholaminergic tone promotes mobilization by (1) the strong suppression of osteolineage cells as a hematopoietic microenvironment and (2) fibroblast growth factor 23 production from erythroblasts, which inhibits CXCR4 function in HSCs. Simultaneously, SNS signals inhibit mobilization by (1) prostaglandin E2 production from mature neutrophils to induce osteopontin in osteoblasts to anchor HSCs and (2) angiopoietin-like protein 4 production from immature neutrophils via peroxisome proliferator-activated receptor δ to inhibit BM vascular permeability. SUMMARY We now know not only the regulatory mechanisms of G-CSF-induced mobilization but also the leads about unfavorable clinical phenomena, such as low-grade fever, bone pain, and poor mobilizers. Recent understanding of the mechanism will assist clinicians in the treatment for mobilization and researchers in the studies of the hidden potential of BM.
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Abstract
Although osteoblasts and osteocytes are descended from the same lineage, they each have unique and essential roles in bone. Targeting gene deletion to osteoblasts and osteocytes using the Cre/loxP system has greatly increased our current understanding of how these cells function. Additionally, the use of the Cre/loxP system in conjunction with cell-specific reporters has enabled lineage tracing of these bone cells both in vivo and ex vivo. However, concerns have been raised regarding the specificity of the promoters used and the resulting off-target effects on cells within and outside of the bone. In this review, we have summarized the main mouse models that have been used to determine the functions of specific genes in osteoblasts and osteocytes. We discuss the expression patterns and specificity of the different promoter fragments during osteoblast to osteocyte differentiation in vivo. We also highlight how their expression in non-skeletal tissues may complicate the interpretation of study results. A thorough understanding of when and where these promoters are activated will enable improved study design and greater confidence in data interpretation.
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Affiliation(s)
- Y Kitase
- Indiana Center for Musculoskeletal Health, Department of Anatomy, Cell Biology and Physiology, School of Medicine, Indiana University, Indianapolis, IN 46202, United States of America
| | - M Prideaux
- Indiana Center for Musculoskeletal Health, Department of Anatomy, Cell Biology and Physiology, School of Medicine, Indiana University, Indianapolis, IN 46202, United States of America.
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Asada N, Katayama Y. A mysterious triangle of blood, bones, and nerves. J Bone Miner Metab 2023; 41:404-414. [PMID: 36752904 DOI: 10.1007/s00774-023-01402-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 01/13/2023] [Indexed: 02/09/2023]
Abstract
The relationship between bone tissue and bone marrow, which is responsible for hematopoiesis, is inseparable. Osteoblasts and osteocytes, which produce and consist of bone tissue, regulate the function of hematopoietic stem cells (HSC), the ancestors of all hematopoietic cells in the bone marrow. The peripheral nervous system finely regulates bone remodeling in bone tissue and modulates HSC function within the bone marrow, either directly or indirectly via modification of the HSC niche function. Peripheral nerve signals also play an important role in the development and progression of malignant tumors (including hematopoietic tumors) and normal tissues, and peripheral nerve control is emerging as a potential new therapeutic target. In this review, we summarize recent findings on the linkage among blood system, bone tissue, and peripheral nerves.
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Affiliation(s)
- Noboru Asada
- Department of Hematology and Oncology, Okayama University Hospital, 2-5-1 Shikata-Cho, Kita-ku, Okayama, 700-8558, Japan.
| | - Yoshio Katayama
- Division of Hematology, Department of Medicine, Kobe University Hospital, 7-5-2 Kusunoki-Cho, Chuo-ku, Kobe, 650-0017, Japan.
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Intermediate-dose cyclophosphamide and bortezomib for PBSC mobilization in multiple myeloma. Transfus Apher Sci 2023:103649. [PMID: 36739175 DOI: 10.1016/j.transci.2023.103649] [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: 10/01/2022] [Revised: 01/28/2023] [Accepted: 01/30/2023] [Indexed: 02/04/2023]
Abstract
Although the incorporation of bortezomib into induction regimens has improved, response rates in patients with multiple myeloma (MM), the role of bortezomib in the, peripheral blood stem cell (PBSC) mobilization remains unclear. We assessed the, PBSC mobilization efficacy, safety, and disease response of intermediate-dose, cyclophosphamide and bortezomib in the PBSC mobilization. Twenty-one patients with, newly diagnosed MM were enrolled in a phase II, non-randomized study that used, bortezomib (1.3 mg/m2/day on days 1, 4, 8, and 11) and intermediate-dose, cyclophosphamide (2 g/m2/day on days 2, 3) (Bor-ID-CY). The data from 15 patients, who received intermediate-dose cyclophosphamide (ID-CY) were used as a historical, control group. The total CD34 + cell yield of Bor-ID-CY and ID-CY groups were not, significantly different (median 6.3 ×106/kg vs. 6.5 ×106/kg, p = 0.19). All three patients, with mobilization failure of two groups had t(11;14). Six patients in Bor-ID-CY group, were upgraded from a status that was less than a very good partial response (VGPR), at the time of PBSC mobilization to a VGPR or better after PBSC mobilization, (p = 0.014). Four patients in Bor-ID-CY group developed sepsis. The time to, engraftment was similar in the two groups. The addition of bortezomib to ID-CY did not, impact the stem cell yield or quality.
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Aru B, Pehlivanoğlu C, Dal Z, Dereli-Çalışkan NN, Gürlü E, Yanıkkaya-Demirel G. A potential area of use for immune checkpoint inhibitors: Targeting bone marrow microenvironment in acute myeloid leukemia. Front Immunol 2023; 14:1108200. [PMID: 36742324 PMCID: PMC9895857 DOI: 10.3389/fimmu.2023.1108200] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Accepted: 01/03/2023] [Indexed: 01/22/2023] Open
Abstract
Acute myeloid leukemia (AML) arises from the cells of myeloid lineage and is the most frequent leukemia type in adulthood accounting for about 80% of all cases. The most common treatment strategy for the treatment of AML includes chemotherapy, in rare cases radiotherapy and stem cell and bone marrow transplantation are considered. Immune checkpoint proteins involve in the negative regulation of immune cells, leading to an escape from immune surveillance, in turn, causing failure of tumor cell elimination. Immune checkpoint inhibitors (ICIs) target the negative regulation of the immune cells and support the immune system in terms of anti-tumor immunity. Bone marrow microenvironment (BMM) bears various blood cell lineages and the interactions between these lineages and the noncellular components of BMM are considered important for AML development and progression. Administration of ICIs for the AML treatment may be a promising option by regulating BMM. In this review, we summarize the current treatment options in AML treatment and discuss the possible application of ICIs in AML treatment from the perspective of the regulation of BMM.
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Affiliation(s)
- Başak Aru
- Immunology Department, Faculty of Medicine, Yeditepe University, Istanbul, Türkiye
| | - Cemil Pehlivanoğlu
- Immunology Department, Faculty of Medicine, Yeditepe University, Istanbul, Türkiye
| | - Zeynep Dal
- School of Medicine, Yeditepe University, Istanbul, Türkiye
| | | | - Ege Gürlü
- School of Medicine, Yeditepe University, Istanbul, Türkiye
| | - Gülderen Yanıkkaya-Demirel
- Immunology Department, Faculty of Medicine, Yeditepe University, Istanbul, Türkiye,*Correspondence: Gülderen Yanıkkaya-Demirel,
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14
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Wang JS, Wein MN. Pathways Controlling Formation and Maintenance of the Osteocyte Dendrite Network. Curr Osteoporos Rep 2022; 20:493-504. [PMID: 36087214 PMCID: PMC9718876 DOI: 10.1007/s11914-022-00753-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/22/2022] [Indexed: 01/30/2023]
Abstract
PURPOSE OF REVIEW The purpose of this review is to discuss the molecular mechanisms involved in osteocyte dendrite formation, summarize the similarities between osteocytic and neuronal projections, and highlight the importance of osteocyte dendrite maintenance in human skeletal disease. RECENT FINDINGS It is suggested that there is a causal relationship between the loss of osteocyte dendrites and the increased osteocyte apoptosis during conditions including aging, microdamage, and skeletal disease. A few mechanisms are proposed to control dendrite formation and outgrowth, such as via the regulation of actin polymerization dynamics. This review addresses the impact of osteocyte dendrites in bone health and disease. Recent advances in multi-omics, in vivo and in vitro models, and microscopy-based imaging have provided novel approaches to reveal the underlying mechanisms that regulate dendrite development. Future therapeutic approaches are needed to target the process of osteocyte dendrite formation.
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Affiliation(s)
- Jialiang S Wang
- Endocrine Unit, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Marc N Wein
- Endocrine Unit, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
- Broad Institute of Harvard and MIT, Cambridge, MA, USA.
- Harvard Stem Cell Institute, Cambridge, MA, USA.
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15
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Lin CY, Song X, Seaman K, You L. Microfluidic Co-culture Platforms for Studying Osteocyte Regulation of Other Cell Types under Dynamic Mechanical Stimulation. Curr Osteoporos Rep 2022; 20:478-492. [PMID: 36149593 DOI: 10.1007/s11914-022-00748-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/26/2022] [Indexed: 01/30/2023]
Abstract
PURPOSE OF REVIEW Osteocytes are the most abundant cell type in bone. These unique cells act primarily as mechanosensors and play crucial roles in the functional adaptation of bone tissue. This review aims to summarize the recent microfluidic studies on mechanically stimulated osteocytes in regulating other cell types. RECENT FINDINGS Microfluidics is a powerful technology that has been widely employed in recent years. With the advantages of microfluidic platforms, researchers can mimic multicellular environments and integrate dynamic systems to study osteocyte regulation under mechanical stimulation. Microfluidic platforms have been developed to investigate mechanically stimulated osteocytes in the direct regulation of multiple cell types, including osteoclasts, osteoblasts, and cancer cells, and in the indirect regulation of cancer cells via endothelial cells. Overall, these microfluidic studies foster the development of treatment approaches targeting osteocytes under mechanical stimulation.
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Affiliation(s)
- Chun-Yu Lin
- Institute of Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada
| | - Xin Song
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, Ontario, Canada
| | - Kimberly Seaman
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, Ontario, Canada
| | - Lidan You
- Institute of Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada.
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, Ontario, Canada.
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16
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Sánchez‐Lanzas R, Kalampalika F, Ganuza M. Diversity in the bone marrow niche: Classic and novel strategies to uncover niche composition. Br J Haematol 2022; 199:647-664. [PMID: 35837798 PMCID: PMC9796334 DOI: 10.1111/bjh.18355] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 06/20/2022] [Accepted: 06/30/2022] [Indexed: 01/01/2023]
Abstract
Our view on the role and composition of the bone marrow (BM) has dramatically changed over time from a simple nutrient for the bone to a highly complex multicellular tissue that sustains haematopoiesis. Among these cells, multipotent haematopoietic stem cells (HSCs), which are predominantly quiescent, possess unique self-renewal capacity and multilineage differentiation potential and replenish all blood lineages to maintain lifelong haematopoiesis. Adult HSCs reside in specialised BM niches, which support their functions. Much effort has been put into deciphering HSC niches due to their potential clinical relevance. Multiple cell types have been implicated as HSC-niche components including sinusoidal endothelium, perivascular stromal cells, macrophages, megakaryocytes, osteoblasts and sympathetic nerves. In this review we provide a historical perspective on how technical advances, from genetic mouse models to imaging and high-throughput sequencing techniques, are unveiling the plethora of molecular cues and cellular components that shape the niche and regulate HSC functions.
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Affiliation(s)
- Raúl Sánchez‐Lanzas
- Centre for Haemato‐Oncology, Barts Cancer InstituteQueen Mary University of LondonLondonUK
| | - Foteini Kalampalika
- Centre for Haemato‐Oncology, Barts Cancer InstituteQueen Mary University of LondonLondonUK
| | - Miguel Ganuza
- Centre for Haemato‐Oncology, Barts Cancer InstituteQueen Mary University of LondonLondonUK
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17
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Huang X, Wang Y, Wang T, Wen F, Liu S, Oudeng G. Recent advances in engineering hydrogels for niche biomimicking and hematopoietic stem cell culturing. Front Bioeng Biotechnol 2022; 10:1049965. [PMID: 36507253 PMCID: PMC9730123 DOI: 10.3389/fbioe.2022.1049965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 11/07/2022] [Indexed: 11/25/2022] Open
Abstract
Hematopoietic stem cells (HSCs) provide a life-long supply of haemopoietic cells and are indispensable for clinical transplantation in the treatment of malignant hematological diseases. Clinical applications require vast quantities of HSCs with maintained stemness characteristics. Meeting this demand poses often insurmountable challenges for traditional culture methods. Creating a supportive artificial microenvironment for the culture of HSCs, which allows the expansion of the cells while maintaining their stemness, is becoming a new solution for the provision of these rare multipotent HSCs. Hydrogels with good biocompatibility, excellent hydrophilicity, tunable biochemical and biophysical properties have been applied in mimicking the hematopoietic niche for the efficient expansion of HSCs. This review focuses on recent progress in the use of hydrogels in this specialized application. Advanced biomimetic strategies use for the creation of an artificial haemopoietic niche are discussed, advances in combined use of hydrogel matrices and microfluidics, including the emerging organ-on-a-chip technology, are summarized. We also provide a brief description of novel stimulus-responsive hydrogels that are used to establish an intelligent dynamic cell microenvironment. Finally, current challenges and future perspectives of engineering hydrogels for HSC biomedicine are explored.
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Affiliation(s)
- Xiaochan Huang
- Department of Hematology and Oncology, Shenzhen Children’s Hospital, Shenzhen, Guangdong, China
| | - Yuting Wang
- Department of Hematology and Oncology, Shenzhen Children’s Hospital, Shenzhen, Guangdong, China
- Shenzhen Children’s Hospital, China Medical University, Shenzhen, Guangdong, China
| | - Tianci Wang
- Department of Hematology and Oncology, Shenzhen Children’s Hospital, Shenzhen, Guangdong, China
| | - Feiqiu Wen
- Department of Hematology and Oncology, Shenzhen Children’s Hospital, Shenzhen, Guangdong, China
- Shenzhen Children’s Hospital, China Medical University, Shenzhen, Guangdong, China
| | - Sixi Liu
- Department of Hematology and Oncology, Shenzhen Children’s Hospital, Shenzhen, Guangdong, China
| | - Gerile Oudeng
- Department of Hematology and Oncology, Shenzhen Children’s Hospital, Shenzhen, Guangdong, China
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18
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Tangmanussukum P, Kawichai T, Suratanee A, Plaimas K. Heterogeneous network propagation with forward similarity integration to enhance drug-target association prediction. PeerJ Comput Sci 2022; 8:e1124. [PMID: 36262151 PMCID: PMC9575853 DOI: 10.7717/peerj-cs.1124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Accepted: 09/14/2022] [Indexed: 06/16/2023]
Abstract
Identification of drug-target interaction (DTI) is a crucial step to reduce time and cost in the drug discovery and development process. Since various biological data are publicly available, DTIs have been identified computationally. To predict DTIs, most existing methods focus on a single similarity measure of drugs and target proteins, whereas some recent methods integrate a particular set of drug and target similarity measures by a single integration function. Therefore, many DTIs are still missing. In this study, we propose heterogeneous network propagation with the forward similarity integration (FSI) algorithm, which systematically selects the optimal integration of multiple similarity measures of drugs and target proteins. Seven drug-drug and nine target-target similarity measures are applied with four distinct integration methods to finally create an optimal heterogeneous network model. Consequently, the optimal model uses the target similarity based on protein sequences and the fused drug similarity, which combines the similarity measures based on chemical structures, the Jaccard scores of drug-disease associations, and the cosine scores of drug-drug interactions. With an accuracy of 99.8%, this model significantly outperforms others that utilize different similarity measures of drugs and target proteins. In addition, the validation of the DTI predictions of this model demonstrates the ability of our method to discover missing potential DTIs.
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Affiliation(s)
- Piyanut Tangmanussukum
- Advanced Virtual and Intelligent Computing (AVIC) Center, Department of Mathematics and Computer Science, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
| | - Thitipong Kawichai
- Department of Mathematics and Computer Science, Academic Division, Chulachomklao Royal Military Academy, Nakhon Nayok, Thailand
| | - Apichat Suratanee
- Department of Mathematics, Faculty of Applied Science, King Mongkut’s University of Technology North Bangkok, Bangkok, Thailand
- Intelligent and Nonlinear Dynamics Innovations Research Center, Science and Technology Research Institute, King Mongkut’s University of Technology North Bangkok, Bangkok, Thailand
| | - Kitiporn Plaimas
- Advanced Virtual and Intelligent Computing (AVIC) Center, Department of Mathematics and Computer Science, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
- Omics Science and Bioinformatics Center, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
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19
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Kim MJ, Valderrábano RJ, Wu JY. Osteoblast Lineage Support of Hematopoiesis in Health and Disease. J Bone Miner Res 2022; 37:1823-1842. [PMID: 35983701 PMCID: PMC11346465 DOI: 10.1002/jbmr.4678] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 07/21/2022] [Accepted: 08/13/2022] [Indexed: 11/06/2022]
Abstract
In mammals, hematopoiesis migrates to the bone marrow during embryogenesis coincident with the appearance of mineralized bone, where hematopoietic stem cells (HSCs) and their progeny are maintained by the surrounding microenvironment or niche, and sustain the entirety of the hematopoietic system. Genetic manipulation of niche factors and advances in cell lineage tracing techniques have implicated cells of both hematopoietic and nonhematopoietic origin as important regulators of hematopoiesis in health and disease. Among them, cells of the osteoblast lineage, from stromal skeletal stem cells to matrix-embedded osteocytes, are vital niche residents with varying capacities for hematopoietic support depending on stage of differentiation. Here, we review populations of osteoblasts at differing stages of differentiation and summarize the current understanding of the role of the osteoblast lineage in supporting hematopoiesis. © 2022 American Society for Bone and Mineral Research (ASBMR).
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Affiliation(s)
- Matthew J Kim
- Division of Endocrinology, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Rodrigo J Valderrábano
- Research Program in Men's Health: Aging and Metabolism, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Joy Y Wu
- Division of Endocrinology, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
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20
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Isojima T, Walker EC, Poulton IJ, McGregor NE, Wicks IP, Gooi JH, Martin TJ, Sims NA. G-CSF Receptor Deletion Amplifies Cortical Bone Dysfunction in Mice With STAT3 Hyperactivation in Osteocytes. J Bone Miner Res 2022; 37:1876-1890. [PMID: 35856245 DOI: 10.1002/jbmr.4654] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 06/27/2022] [Accepted: 07/16/2022] [Indexed: 11/09/2022]
Abstract
Bone strength is determined by the structure and composition of its thickened outer shell (cortical bone), yet the mechanisms controlling cortical consolidation are poorly understood. Cortical bone maturation depends on SOCS3-mediated suppression of IL-6 cytokine-induced STAT3 phosphorylation in osteocytes, the cellular network embedded in bone matrix. Because SOCS3 also suppresses granulocyte-colony-stimulating factor receptor (G-CSFR) signaling, we here tested whether global G-CSFR (Csf3r) ablation altereed bone structure in male and female mice lacking SOCS3 in osteocytes, (Dmp1Cre :Socs3f/f mice). Dmp1Cre :Socs3f/f :Csf3r-/- mice were generated by crossing Dmp1Cre :Socs3f/f mice with Csf3r-/- mice. Although G-CSFR is not expressed in osteocytes, Csf3r deletion further delayed cortical consolidation in Dmp1Cre :Socs3f/f mice. Micro-CT images revealed extensive, highly porous low-density bone, with little true cortex in the diaphysis, even at 26 weeks of age; including more low-density bone and less high-density bone in Dmp1Cre :Socs3f/f :Csf3r-/- mice than controls. By histology, the area where cortical bone would normally be found contained immature compressed trabecular bone in Dmp1Cre :Socs3f/f :Csf3r-/- mice and greater than normal levels of intracortical osteoclasts, extensive new woven bone formation, and the presence of more intracortical blood vessels than the already high levels observed in Dmp1Cre :Socs3f/f controls. qRT-PCR of cortical bone from Dmp1Cre :Socs3f/f :Csf3r-/- mice also showed more than a doubling of mRNA levels for osteoclasts, osteoblasts, RANKL, and angiogenesis markers. The further delay in cortical bone maturation was associated with significantly more phospho-STAT1 and phospho-STAT3-positive osteocytes, and a threefold increase in STAT1 and STAT3 target gene mRNA levels, suggesting G-CSFR deletion further increases STAT signaling beyond that of Dmp1Cre :Socs3f/f bone. G-CSFR deficiency therefore promotes STAT1/3 signaling in osteocytes, and when SOCS3 negative feedback is absent, elevated local angiogenesis, bone resorption, and bone formation delays cortical bone consolidation. This points to a critical role of G-CSF in replacing condensed trabecular bone with lamellar bone during cortical bone formation. © 2022 American Society for Bone and Mineral Research (ASBMR).
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Affiliation(s)
- Tsuyoshi Isojima
- St. Vincent's Institute of Medical Research, Fitzroy, Australia.,Department of Pediatrics, Teikyo University School of Medicine, Tokyo, Japan
| | - Emma C Walker
- St. Vincent's Institute of Medical Research, Fitzroy, Australia
| | | | | | - Ian P Wicks
- Walter and Eliza Hall Institute, Parkville, Australia
| | - Jonathan H Gooi
- St. Vincent's Institute of Medical Research, Fitzroy, Australia.,Bio21 Molecular Science and Biotechnology Institute, Parkville, Australia
| | - T John Martin
- St. Vincent's Institute of Medical Research, Fitzroy, Australia.,The University of Melbourne, Department of Medicine at St. Vincent's Hospital, Fitzroy, Australia
| | - Natalie A Sims
- St. Vincent's Institute of Medical Research, Fitzroy, Australia.,The University of Melbourne, Department of Medicine at St. Vincent's Hospital, Fitzroy, Australia
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21
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Torres LS, Asada N, Weiss MJ, Trumpp A, Suda T, Scadden DT, Ito K. Recent advances in "sickle and niche" research - Tribute to Dr. Paul S Frenette. Stem Cell Reports 2022; 17:1509-1535. [PMID: 35830837 PMCID: PMC9287685 DOI: 10.1016/j.stemcr.2022.06.004] [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: 04/10/2022] [Revised: 06/08/2022] [Accepted: 06/09/2022] [Indexed: 10/27/2022] Open
Abstract
In this retrospective, we review the two research topics that formed the basis of the outstanding career of Dr. Paul S. Frenette. In the first part, we focus on sickle cell disease (SCD). The defining feature of SCD is polymerization of the deoxygenated mutant hemoglobin, which leads to a vicious cycle of hemolysis and vaso-occlusion. We survey important discoveries in SCD pathophysiology that have led to recent advances in treatment of SCD. The second part focuses on the hematopoietic stem cell (HSC) niche, the complex microenvironment within the bone marrow that controls HSC function and homeostasis. We detail the cells that constitute this niche, and the factors that these cells use to exert control over hematopoiesis. Here, we trace the scientific paths of Dr. Frenette, highlight key aspects of his research, and identify his most important scientific contributions in both fields.
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Affiliation(s)
- Lidiane S Torres
- Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Albert Einstein College of Medicine, Bronx, New York, NY 10461, USA; Department of Cell Biology, Albert Einstein College of Medicine, Bronx, New York, NY 10461, USA; Department of Medicine, Albert Einstein College of Medicine, Bronx, New York, NY 10461, USA
| | - Noboru Asada
- Department of Hematology and Oncology, Okayama University Hospital, Okayama 700-8558, Japan
| | - Mitchell J Weiss
- Department of Hematology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Andreas Trumpp
- Division of Stem Cells and Cancer, German Cancer Research Center (DKFZ) and DKFZ-ZMBH Alliance, 69120 Heidelberg, Germany; Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), 69120 Heidelberg, Germany; Faculty of Biosciences, Heidelberg University, 69117 Heidelberg, Germany; German Cancer Consortium (DKTK), 69120 Heidelberg, Germany
| | - Toshio Suda
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore; International Research Center for Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - David T Scadden
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA, USA; Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA; Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Keisuke Ito
- Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Albert Einstein College of Medicine, Bronx, New York, NY 10461, USA; Department of Cell Biology, Albert Einstein College of Medicine, Bronx, New York, NY 10461, USA; Department of Medicine, Albert Einstein College of Medicine, Bronx, New York, NY 10461, USA; Montefiore Einstein Cancer Center, Albert Einstein College of Medicine, Bronx, New York, NY 10461, USA; Einstein Diabetes Research Center, Albert Einstein College of Medicine, Bronx, NY, USA.
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22
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Fallati A, Di Marzo N, D’Amico G, Dander E. Mesenchymal Stromal Cells (MSCs): An Ally of B-Cell Acute Lymphoblastic Leukemia (B-ALL) Cells in Disease Maintenance and Progression within the Bone Marrow Hematopoietic Niche. Cancers (Basel) 2022; 14:cancers14143303. [PMID: 35884364 PMCID: PMC9323332 DOI: 10.3390/cancers14143303] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 06/17/2022] [Accepted: 07/04/2022] [Indexed: 12/04/2022] Open
Abstract
Simple Summary B-cell acute lymphoblastic leukemia (B-ALL) is the most common pediatric cancer. Even though the cure rate actually exceeds 85%, the prognosis of relapsed/refractory patients is dismal. Recent literature data indicate that the bone marrow (BM) microenvironment could play a crucial role in the onset, maintenance and progression of the disease. In particular, mesenchymal stromal cells (MSCs), which are key components of the BM niche, actively crosstalk with leukemic cells providing crucial signals for their survival and resistance to therapy. We hereby review the main mechanisms exploited by MSCs to nurture and protect B-ALL cells that could become appealing targets for innovative microenvironment remodeling therapies to be coupled with classical leukemia-directed strategies. Abstract Mesenchymal stromal cells (MSCs) are structural components of the bone marrow (BM) niche, where they functionally interact with hematopoietic stem cells and more differentiated progenitors, contributing to hematopoiesis regulation. A growing body of evidence is nowadays pointing to a further crucial contribution of MSCs to malignant hematopoiesis. In the context of B-cell acute lymphoblastic leukemia (B-ALL), MSCs can play a pivotal role in the definition of a leukemia-supportive microenvironment, impacting on disease pathogenesis at different steps including onset, maintenance and progression. B-ALL cells hijack the BM microenvironment, including MSCs residing in the BM niche, which in turn shelter leukemic cells and protect them from chemotherapeutic agents through different mechanisms. Evidence is now arising that altered MSCs can become precious allies to leukemic cells by providing nutrients, cytokines, pro-survivals signals and exchanging organelles, as hereafter reviewed. The study of the mechanisms exploited by MSCs to nurture and protect B-ALL blasts can be instrumental in finding new druggable candidates to target the leukemic BM microenvironment. Some of these microenvironment-targeting strategies are already in preclinical or clinical experimentation, and if coupled with leukemia-directed therapies, could represent a valuable option to improve the prognosis of relapsed/refractory patients, whose management represents an unmet medical need.
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23
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Gadomski S, Fielding C, García-García A, Korn C, Kapeni C, Ashraf S, Villadiego J, Toro RD, Domingues O, Skepper JN, Michel T, Zimmer J, Sendtner R, Dillon S, Poole KES, Holdsworth G, Sendtner M, Toledo-Aral JJ, De Bari C, McCaskie AW, Robey PG, Méndez-Ferrer S. A cholinergic neuroskeletal interface promotes bone formation during postnatal growth and exercise. Cell Stem Cell 2022; 29:528-544.e9. [PMID: 35276096 PMCID: PMC9033279 DOI: 10.1016/j.stem.2022.02.008] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2021] [Revised: 12/02/2021] [Accepted: 02/10/2022] [Indexed: 11/30/2022]
Abstract
The autonomic nervous system is a master regulator of homeostatic processes and stress responses. Sympathetic noradrenergic nerve fibers decrease bone mass, but the role of cholinergic signaling in bone has remained largely unknown. Here, we describe that early postnatally, a subset of sympathetic nerve fibers undergoes an interleukin-6 (IL-6)-induced cholinergic switch upon contacting the bone. A neurotrophic dependency mediated through GDNF-family receptor-α2 (GFRα2) and its ligand, neurturin (NRTN), is established between sympathetic cholinergic fibers and bone-embedded osteocytes, which require cholinergic innervation for their survival and connectivity. Bone-lining osteoprogenitors amplify and propagate cholinergic signals in the bone marrow (BM). Moderate exercise augments trabecular bone partly through an IL-6-dependent expansion of sympathetic cholinergic nerve fibers. Consequently, loss of cholinergic skeletal innervation reduces osteocyte survival and function, causing osteopenia and impaired skeletal adaptation to moderate exercise. These results uncover a cholinergic neuro-osteocyte interface that regulates skeletogenesis and skeletal turnover through bone-anabolic effects.
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Affiliation(s)
- Stephen Gadomski
- Wellcome-MRC Cambridge Stem Cell Institute, Cambridge CB2 0AW, UK; Department of Hematology, University of Cambridge, Cambridge CB2 0AW, UK; National Health Service Blood and Transplant, Cambridge Biomedical Campus, Cambridge CB2 0AW, UK; Skeletal Biology Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Department of Health and Human Services, Bethesda, MD 20892, USA; NIH Oxford-Cambridge Scholars Program in Partnership with Medical University of South Carolina, Charleston, SC 29425, USA
| | - Claire Fielding
- Wellcome-MRC Cambridge Stem Cell Institute, Cambridge CB2 0AW, UK; Department of Hematology, University of Cambridge, Cambridge CB2 0AW, UK; National Health Service Blood and Transplant, Cambridge Biomedical Campus, Cambridge CB2 0AW, UK
| | - Andrés García-García
- Wellcome-MRC Cambridge Stem Cell Institute, Cambridge CB2 0AW, UK; Department of Hematology, University of Cambridge, Cambridge CB2 0AW, UK; National Health Service Blood and Transplant, Cambridge Biomedical Campus, Cambridge CB2 0AW, UK
| | - Claudia Korn
- Wellcome-MRC Cambridge Stem Cell Institute, Cambridge CB2 0AW, UK; Department of Hematology, University of Cambridge, Cambridge CB2 0AW, UK; National Health Service Blood and Transplant, Cambridge Biomedical Campus, Cambridge CB2 0AW, UK
| | - Chrysa Kapeni
- Wellcome-MRC Cambridge Stem Cell Institute, Cambridge CB2 0AW, UK; Department of Hematology, University of Cambridge, Cambridge CB2 0AW, UK; National Health Service Blood and Transplant, Cambridge Biomedical Campus, Cambridge CB2 0AW, UK
| | - Sadaf Ashraf
- Arthritis and Regenerative Medicine Laboratory, Aberdeen Centre for Arthritis and Musculoskeletal Health, Institute of Medical Sciences, University of Aberdeen, Aberdeen AB25 2ZD, UK
| | - Javier Villadiego
- Instituto de Biomedicina de Sevilla-IBiS (Hospitales Universitarios Virgen del Rocío y Macarena/CSIC/Universidad de Sevilla), 41013 Seville, Spain; Departamento de Fisiología Médica y Biofísica, Universidad de Sevilla, 41009 Seville, Spain; Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas, (CIBERNED), Madrid 28029, Spain
| | - Raquel Del Toro
- Instituto de Biomedicina de Sevilla-IBiS (Hospitales Universitarios Virgen del Rocío y Macarena/CSIC/Universidad de Sevilla), 41013 Seville, Spain; Departamento de Fisiología Médica y Biofísica, Universidad de Sevilla, 41009 Seville, Spain
| | - Olivia Domingues
- Department of Infection and Immunity, Luxembourg Institute of Health, 4354 Esch-sur Alzette, Luxembourg
| | - Jeremy N Skepper
- Department of Physiology, Development, and Neuroscience, Cambridge Advanced Imaging Centre, University of Cambridge, Cambridge CB2 3DY, UK
| | - Tatiana Michel
- Department of Infection and Immunity, Luxembourg Institute of Health, 4354 Esch-sur Alzette, Luxembourg
| | - Jacques Zimmer
- Department of Infection and Immunity, Luxembourg Institute of Health, 4354 Esch-sur Alzette, Luxembourg
| | - Regine Sendtner
- Institute of Clinical Neurobiology, University Hospital of Wuerzburg, 97080 Wuerzburg, Germany
| | - Scott Dillon
- Wellcome-MRC Cambridge Stem Cell Institute, Cambridge CB2 0AW, UK
| | - Kenneth E S Poole
- Cambridge NIHR Biomedical Research Centre, Department of Medicine, University of Cambridge, Cambridge CB2 0QQ, UK
| | | | - Michael Sendtner
- Institute of Clinical Neurobiology, University Hospital of Wuerzburg, 97080 Wuerzburg, Germany
| | - Juan J Toledo-Aral
- Instituto de Biomedicina de Sevilla-IBiS (Hospitales Universitarios Virgen del Rocío y Macarena/CSIC/Universidad de Sevilla), 41013 Seville, Spain; Departamento de Fisiología Médica y Biofísica, Universidad de Sevilla, 41009 Seville, Spain; Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas, (CIBERNED), Madrid 28029, Spain
| | - Cosimo De Bari
- Arthritis and Regenerative Medicine Laboratory, Aberdeen Centre for Arthritis and Musculoskeletal Health, Institute of Medical Sciences, University of Aberdeen, Aberdeen AB25 2ZD, UK
| | - Andrew W McCaskie
- Wellcome-MRC Cambridge Stem Cell Institute, Cambridge CB2 0AW, UK; Department of Surgery, School of Clinical Medicine, University of Cambridge, Cambridge CB2 0QQ, UK
| | - Pamela G Robey
- Skeletal Biology Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Department of Health and Human Services, Bethesda, MD 20892, USA
| | - Simón Méndez-Ferrer
- Wellcome-MRC Cambridge Stem Cell Institute, Cambridge CB2 0AW, UK; Department of Hematology, University of Cambridge, Cambridge CB2 0AW, UK; National Health Service Blood and Transplant, Cambridge Biomedical Campus, Cambridge CB2 0AW, UK; Instituto de Biomedicina de Sevilla-IBiS (Hospitales Universitarios Virgen del Rocío y Macarena/CSIC/Universidad de Sevilla), 41013 Seville, Spain; Departamento de Fisiología Médica y Biofísica, Universidad de Sevilla, 41009 Seville, Spain.
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24
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Wang ZX, Luo ZW, Li FXZ, Cao J, Rao SS, Liu YW, Wang YY, Zhu GQ, Gong JS, Zou JT, Wang Q, Tan YJ, Zhang Y, Hu Y, Li YY, Yin H, Wang XK, He ZH, Ren L, Liu ZZ, Hu XK, Yuan LQ, Xu R, Chen CY, Xie H. Aged bone matrix-derived extracellular vesicles as a messenger for calcification paradox. Nat Commun 2022; 13:1453. [PMID: 35304471 PMCID: PMC8933454 DOI: 10.1038/s41467-022-29191-x] [Citation(s) in RCA: 54] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Accepted: 02/25/2022] [Indexed: 02/06/2023] Open
Abstract
Adipocyte differentiation of bone marrow mesenchymal stem/stromal cells (BMSCs) instead of osteoblast formation contributes to age- and menopause-related marrow adiposity and osteoporosis. Vascular calcification often occurs with osteoporosis, a contradictory association called “calcification paradox”. Here we show that extracellular vesicles derived from aged bone matrix (AB-EVs) during bone resorption favor BMSC adipogenesis rather than osteogenesis and augment calcification of vascular smooth muscle cells. Intravenous or intramedullary injection of AB-EVs promotes bone-fat imbalance and exacerbates Vitamin D3 (VD3)-induced vascular calcification in young or old mice. Alendronate (ALE), a bone resorption inhibitor, down-regulates AB-EVs release and attenuates aging- and ovariectomy-induced bone-fat imbalance. In the VD3-treated aged mice, ALE suppresses the ovariectomy-induced aggravation of vascular calcification. MiR-483-5p and miR-2861 are enriched in AB-EVs and essential for the AB-EVs-induced bone-fat imbalance and exacerbation of vascular calcification. Our study uncovers the role of AB-EVs as a messenger for calcification paradox by transferring miR-483-5p and miR-2861. This study uncovers the role of extracellular vesicles from bone matrix as a messenger in the development of osteoporosis and vascular calcification (calcification paradox) during skeletal aging and menopause by transferring miR-483-5p and miR-2861.
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Affiliation(s)
- Zhen-Xing Wang
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan, China.,Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Zhong-Wei Luo
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan, China.,Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Fu-Xing-Zi Li
- The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jia Cao
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan, China.,Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Shan-Shan Rao
- Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, Hunan, China.,Xiangya Nursing School, Central South University, Changsha, Hunan, China
| | - Yi-Wei Liu
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan, China.,Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yi-Yi Wang
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan, China.,Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Guo-Qiang Zhu
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan, China.,Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jiang-Shan Gong
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan, China.,Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jing-Tao Zou
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan, China.,Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Qiang Wang
- Department of Laboratory Medicine, Affiliated Zhejiang Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Yi-Juan Tan
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan, China.,Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yan Zhang
- Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yin Hu
- Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - You-You Li
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan, China.,Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Hao Yin
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan, China.,Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Xiao-Kai Wang
- Department of Emergency Medicine, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Ze-Hui He
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan, China.,Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Lu Ren
- The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Zheng-Zhao Liu
- Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, Hunan, China.,Department of Sports Medicine, Xiangya Hospital, Central South University, Changsha, Hunan, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China.,Hunan Key Laboratory of Organ Injury, Aging and Regenerative Medicine, Changsha, Hunan, China.,Hunan Key Laboratory of Bone Joint Degeneration and Injury, Changsha, Hunan, China
| | - Xiong-Ke Hu
- Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Ling-Qing Yuan
- The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Ran Xu
- The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Chun-Yuan Chen
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan, China. .,Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, Hunan, China.
| | - Hui Xie
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan, China. .,Movement System Injury and Repair Research Center, Xiangya Hospital, Central South University, Changsha, Hunan, China. .,Department of Sports Medicine, Xiangya Hospital, Central South University, Changsha, Hunan, China. .,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China. .,Hunan Key Laboratory of Organ Injury, Aging and Regenerative Medicine, Changsha, Hunan, China. .,Hunan Key Laboratory of Bone Joint Degeneration and Injury, Changsha, Hunan, China.
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25
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The extracellular matrix of hematopoietic stem cell niches. Adv Drug Deliv Rev 2022; 181:114069. [PMID: 34838648 PMCID: PMC8860232 DOI: 10.1016/j.addr.2021.114069] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 11/18/2021] [Accepted: 11/21/2021] [Indexed: 12/21/2022]
Abstract
Comprehensive overview of different classes of ECM molecules in the HSC niche. Overview of current knowledge on role of biophysics of the HSC niche. Description of approaches to create artificial stem cell niches for several application. Importance of considering ECM in drug development and testing.
Hematopoietic stem cells (HSCs) are the life-long source of all types of blood cells. Their function is controlled by their direct microenvironment, the HSC niche in the bone marrow. Although the importance of the extracellular matrix (ECM) in the niche by orchestrating niche architecture and cellular function is widely acknowledged, it is still underexplored. In this review, we provide a comprehensive overview of the ECM in HSC niches. For this purpose, we first briefly outline HSC niche biology and then review the role of the different classes of ECM molecules in the niche one by one and how they are perceived by cells. Matrix remodeling and the emerging importance of biophysics in HSC niche function are discussed. Finally, the application of the current knowledge of ECM in the niche in form of artificial HSC niches for HSC expansion or targeted differentiation as well as drug testing is reviewed.
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26
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Inflammation Regulates Haematopoietic Stem Cells and Their Niche. Int J Mol Sci 2022; 23:ijms23031125. [PMID: 35163048 PMCID: PMC8835214 DOI: 10.3390/ijms23031125] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Accepted: 01/17/2022] [Indexed: 11/16/2022] Open
Abstract
Haematopoietic stem cells (HSCs) reside in the bone marrow and are supported by the specialised microenvironment, a niche to maintain HSC quiescence. To deal with haematopoietic equilibrium disrupted during inflammation, HSCs are activated from quiescence directly and indirectly to generate more mature immune cells, especially the myeloid lineage cells. In the process of proliferation and differentiation, HSCs gradually lose their self-renewal potential. The extensive inflammation might cause HSC exhaustion/senescence and malignant transformation. Here, we summarise the current understanding of how HSC functions are maintained, damaged, or exhausted during acute, prolonged, and pathological inflammatory conditions. We also highlight the inflammation-altered HSC niche and its impact on escalating the insults on HSCs.
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27
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Uda Y, Saini V, Petty CA, Alshehri M, Shi C, Spatz JM, Santos R, Newell CM, Huang TY, Kochen A, Kim JW, Constantinou CK, Saito H, Held KD, Hesse E, Pajevic PD. Parathyroid hormone signaling in mature osteoblasts/osteocytes protects mice from age-related bone loss. Aging (Albany NY) 2021; 13:25607-25642. [PMID: 34968192 PMCID: PMC8751595 DOI: 10.18632/aging.203808] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Accepted: 11/30/2021] [Indexed: 01/18/2023]
Abstract
Aging is accompanied by osteopenia, characterized by reduced bone formation and increased bone resorption. Osteocytes, the terminally differentiated osteoblasts, are regulators of bone homeostasis, and parathyroid hormone (PTH) receptor (PPR) signaling in mature osteoblasts/osteocytes is essential for PTH-driven anabolic and catabolic skeletal responses. However, the role of PPR signaling in those cells during aging has not been investigated. The aim of this study was to analyze the role of PTH signaling in mature osteoblasts/osteocytes during aging. Mice lacking PPR in osteocyte (Dmp1-PPRKO) display an age-dependent osteopenia characterized by a significant decrease in osteoblast activity and increase in osteoclast number and activity. At the molecular level, the absence of PPR signaling in mature osteoblasts/osteocytes is associated with an increase in serum sclerostin and a significant increase in osteocytes expressing 4-hydroxy-2-nonenals, a marker of oxidative stress. In Dmp1-PPRKO mice there was an age-dependent increase in p16Ink4a/Cdkn2a expression, whereas it was unchanged in controls. In vitro studies demonstrated that PTH protects osteocytes from oxidative stress-induced cell death. In summary, we reported that PPR signaling in osteocytes is important for protecting the skeleton from age-induced bone loss by restraining osteoclast's activity and protecting osteocytes from oxidative stresses.
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Affiliation(s)
- Yuhei Uda
- Department of Translational Dental Medicine, Goldman School of Dental Medicine, Boston University, Boston, MA 02118, USA
| | - Vaibhav Saini
- Endocrine Unit, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
| | - Christopher A. Petty
- Department of Translational Dental Medicine, Goldman School of Dental Medicine, Boston University, Boston, MA 02118, USA
| | - Majed Alshehri
- Department of Translational Dental Medicine, Goldman School of Dental Medicine, Boston University, Boston, MA 02118, USA
| | - Chao Shi
- Department of Translational Dental Medicine, Goldman School of Dental Medicine, Boston University, Boston, MA 02118, USA
- Department of Orthopaedics, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an 710004, Shaanxi Province, P.R. China
| | - Jordan M. Spatz
- Endocrine Unit, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
- School of Medicine, University of California San Francisco, San Francisco, CA 94143, USA
| | - Roberto Santos
- Department of Translational Dental Medicine, Goldman School of Dental Medicine, Boston University, Boston, MA 02118, USA
| | - Carly M. Newell
- Department of Translational Dental Medicine, Goldman School of Dental Medicine, Boston University, Boston, MA 02118, USA
| | - Tim Y. Huang
- Department of Translational Dental Medicine, Goldman School of Dental Medicine, Boston University, Boston, MA 02118, USA
| | - Alejandro Kochen
- Department of Translational Dental Medicine, Goldman School of Dental Medicine, Boston University, Boston, MA 02118, USA
| | - Ji W. Kim
- Department of Translational Dental Medicine, Goldman School of Dental Medicine, Boston University, Boston, MA 02118, USA
| | - Christodoulos K. Constantinou
- Department of Translational Dental Medicine, Goldman School of Dental Medicine, Boston University, Boston, MA 02118, USA
| | - Hiroaki Saito
- Heisenberg-Group for Molecular Skeletal Biology, University Medical Center Hamburg-Eppendorf, Hamburg 20251, Germany
| | - Kathryn D. Held
- Radiation Oncology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
| | - Eric Hesse
- Heisenberg-Group for Molecular Skeletal Biology, University Medical Center Hamburg-Eppendorf, Hamburg 20251, Germany
| | - Paola Divieti Pajevic
- Department of Translational Dental Medicine, Goldman School of Dental Medicine, Boston University, Boston, MA 02118, USA
- Endocrine Unit, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
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28
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Zhang Y, Chen C, Liu Y, Rao S, Tan Y, Qian Y, Xia K, Huang J, Liu X, Hong C, Yin H, Cao J, Feng S, He Z, Li Y, Luo Z, Wu B, Yan Z, Chen T, Chen M, Wang Y, Wang Z, Liu Z, Luo M, Hu X, Jin L, Wan T, Yue T, Tang S, Xie H. Neuronal Induction of Bone-Fat Imbalance through Osteocyte Neuropeptide Y. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:e2100808. [PMID: 34719888 PMCID: PMC8693044 DOI: 10.1002/advs.202100808] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Revised: 08/24/2021] [Indexed: 05/08/2023]
Abstract
A differentiation switch of bone marrow mesenchymal stem/stromal cells (BMSCs) from osteoblasts to adipocytes contributes to age- and menopause-associated bone loss and marrow adiposity. Here it is found that osteocytes, the most abundant bone cells, promote adipogenesis and inhibit osteogenesis of BMSCs by secreting neuropeptide Y (NPY), whose expression increases with aging and osteoporosis. Deletion of NPY in osteocytes generates a high bone mass phenotype, and attenuates aging- and ovariectomy (OVX)-induced bone-fat imbalance in mice. Osteocyte NPY production is under the control of autonomic nervous system (ANS) and osteocyte NPY deletion blocks the ANS-induced regulation of BMSC fate and bone-fat balance. γ-Oryzanol, a clinically used ANS regulator, significantly increases bone formation and reverses aging- and OVX-induced osteocyte NPY overproduction and marrow adiposity in control mice, but not in mice lacking osteocyte NPY. The study suggests a new mode of neuronal control of bone metabolism through the ANS-induced regulation of osteocyte NPY.
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29
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Ishikawa Y, Furuyashiki T. The impact of stress on immune systems and its relevance to mental illness. Neurosci Res 2021; 175:16-24. [PMID: 34606943 DOI: 10.1016/j.neures.2021.09.005] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 09/26/2021] [Accepted: 09/26/2021] [Indexed: 12/23/2022]
Abstract
Stress due to adverse and demanding conditions alters immune functions. How innate and adaptive immune systems respond to stress and affect neural processes remains unclear. Rodent studies have demonstrated crucial roles of stress-induced immune responses for depressive- and anxiety-like behaviors. In the periphery, stress evokes the mobilization of neutrophils and monocytes to the circulation via sympathetic nerves and glucocorticoids. These myeloid cells are thought to promote depressive- and anxiety-like behaviors by infiltrating the brain's perivascular space, releasing cytokines, and affecting vascular endothelial functions. In the brain, stress activates microglia via innate immune receptors TLR2/4. The activated microglia in the medial prefrontal cortex secrete cytokines and alter neuronal morphology and activity in their vicinity. In subcortical brain areas, prostaglandin (PG) E2 released from the activated microglia attenuates the dopaminergic projection to the medial prefrontal cortex via PGE receptor EP1. These multiple actions of microglia promote depressive-like behavior in concert. These rodent findings may be translatable to depression that clinical studies have associated with brain and peripheral inflammations. Understanding causal relationships between immune and neural alterations under stress might be exploitable to develop inflammation-targeting therapeutics for mental illness.
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Affiliation(s)
- Yuka Ishikawa
- Division of Pharmacology, Graduate School of Medicine, Kobe University, Kobe, Japan; Sumitomo Dainippon Pharma Co., Ltd., Osaka, Japan
| | - Tomoyuki Furuyashiki
- Division of Pharmacology, Graduate School of Medicine, Kobe University, Kobe, Japan; Japan Agency for Medical Research and Development, Tokyo, Japan.
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30
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Rebuilding the hematopoietic stem cell niche: Recent developments and future prospects. Acta Biomater 2021; 132:129-148. [PMID: 33813090 DOI: 10.1016/j.actbio.2021.03.061] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 03/25/2021] [Accepted: 03/25/2021] [Indexed: 12/20/2022]
Abstract
Hematopoietic stem cells (HSCs) have proven their clinical relevance in stem cell transplantation to cure patients with hematological disorders. Key to their regenerative potential is their natural microenvironment - their niche - in the bone marrow (BM). Developments in the field of biomaterials enable the recreation of such environments with increasing preciseness in the laboratory. Such artificial niches help to gain a fundamental understanding of the biophysical and biochemical processes underlying the interaction of HSCs with the materials in their environment and the disturbance of this interplay during diseases affecting the BM. Artificial niches also have the potential to multiply HSCs in vitro, to enable the targeted differentiation of HSCs into mature blood cells or to serve as drug-testing platforms. In this review, we will introduce the importance of artificial niches followed by the biology and biophysics of the natural archetype. We will outline how 2D biomaterials can be used to dissect the complexity of the natural niche into individual parameters for fundamental research and how 3D systems evolved from them. We will present commonly used biomaterials for HSC research and their applications. Finally, we will highlight two areas in the field of HSC research, which just started to unlock the possibilities provided by novel biomaterials, in vitro blood production and studying the pathophysiology of the niche in vitro. With these contents, the review aims to give a broad overview of the different biomaterials applied for HSC research and to discuss their potentials, challenges and future directions in the field. STATEMENT OF SIGNIFICANCE: Hematopoietic stem cells (HSCs) are multipotent cells responsible for maintaining the turnover of all blood cells. They are routinely applied to treat patients with hematological diseases. This high clinical relevance explains the necessity of multiplication or differentiation of HSCs in the laboratory, which is hampered by the missing natural microenvironment - the so called niche. Biomaterials offer the possibility to mimic the niche and thus overcome this hurdle. The review introduces the HSC niche in the bone marrow and discusses the utility of biomaterials in creating artificial niches. It outlines how 2D systems evolved into sophisticated 3D platforms, which opened the gateway to applications such as, expansion of clinically relevant HSCs, in vitro blood production, studying niche pathologies and drug testing.
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31
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Shin TH, Theodorou E, Holland C, Yamin R, Raggio CL, Giampietro PF, Sweetser DA. TLE4 Is a Critical Mediator of Osteoblast and Runx2-Dependent Bone Development. Front Cell Dev Biol 2021; 9:671029. [PMID: 34422801 PMCID: PMC8377417 DOI: 10.3389/fcell.2021.671029] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Accepted: 07/14/2021] [Indexed: 11/13/2022] Open
Abstract
Healthy bone homeostasis hinges upon a delicate balance and regulation of multiple processes that contribute to bone development and metabolism. While examining hematopoietic regulation by Tle4, we have uncovered a previously unappreciated role of Tle4 on bone calcification using a novel Tle4 null mouse model. Given the significance of osteoblasts in both hematopoiesis and bone development, this study investigated how loss of Tle4 affects osteoblast function. We used dynamic bone formation parameters and microCT to characterize the adverse effects of Tle4 loss on bone development. We further demonstrated loss of Tle4 impacts expression of several key osteoblastogenic genes, including Runx2, Oc, and Ap, pointing toward a potential novel mechanism for Tle4-dependent regulation of mammalian bone development in collaboration with the RUNX family members.
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Affiliation(s)
- Thomas H. Shin
- Department of Pediatrics, Center of Genomic Medicine, Divisions of Pediatric Hematology/Oncology and Medical Genetics, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
- Department of Molecular and Translational Medicine, Boston University School of Medicine, Boston, MA, United States
| | - Evangelos Theodorou
- Department of Pediatrics, Center of Genomic Medicine, Divisions of Pediatric Hematology/Oncology and Medical Genetics, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
| | - Carl Holland
- Department of Pediatrics, Center of Genomic Medicine, Divisions of Pediatric Hematology/Oncology and Medical Genetics, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
| | - Rae’e Yamin
- Department of Pediatrics, Center of Genomic Medicine, Divisions of Pediatric Hematology/Oncology and Medical Genetics, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
| | - Cathleen L. Raggio
- Department of Pediatric Orthopedics, Hospital for Special Surgery, New York, NY, United States
| | | | - David A. Sweetser
- Department of Pediatrics, Center of Genomic Medicine, Divisions of Pediatric Hematology/Oncology and Medical Genetics, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
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32
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Osteocytes regulate neutrophil development through IL-19: a potent cytokine for neutropenia treatment. Blood 2021; 137:3533-3547. [PMID: 33684929 DOI: 10.1182/blood.2020007731] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Accepted: 02/13/2021] [Indexed: 12/29/2022] Open
Abstract
Osteocytes are the most abundant (90% to 95%) cells in bone and have emerged as an important regulator of hematopoiesis, but their role in neutrophil development and the underlying mechanisms remain unclear. Interleukin 19 (IL-19) produced predominantly by osteocytes stimulated granulopoiesis and neutrophil formation, which stimulated IL-19 receptor (IL-20Rβ)/Stat3 signaling in neutrophil progenitors to promote their expansion and neutrophil formation. Mice with constitutive activation of mechanistic target of rapamycin complex (mTORC1) signaling in osteocytes (Dmp1-Cre) exhibited a dramatic increase in IL-19 production and promyelocyte/myelocytic expansion, whereas mTORC1 inactivation in osteocytes reduced IL-19 production and neutrophil numbers in mice. We showed that IL-19 administration stimulated neutrophil development, whereas neutralizing endogenous IL-19 or depletion of its receptor inhibited the process. Importantly, low-dose IL-19 reversed chemotherapy, irradiation, or chloramphenicol-induced neutropenia in mice more efficiently than granulocyte colony-stimulating factor. This evidence indicated that IL-19 was an essential regulator of neutrophil development and a potent cytokine for neutropenia treatment.
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33
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Bone and blood: IL-19 to the rescue. Blood 2021; 137:3467-3468. [PMID: 34165545 DOI: 10.1182/blood.2021011367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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34
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Treatment with a long-acting chimeric CSF1 molecule enhances fracture healing of healthy and osteoporotic bones. Biomaterials 2021; 275:120936. [PMID: 34303178 DOI: 10.1016/j.biomaterials.2021.120936] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 04/28/2021] [Accepted: 05/25/2021] [Indexed: 12/27/2022]
Abstract
Macrophage-targeted therapies, including macrophage colony-stimulating factor 1 (CSF1), have been shown to have pro-repair impacts post-fracture. Preclinical/clinical applications of CSF1 have been expedited by development of chimeric CSF1-Fc which has extended circulating half-life. Here, we used mouse models to investigate the bone regenerative potential of CSF1-Fc in healthy and osteoporotic fracture. We also explored whether combination of CSF1-Fc with interleukin (IL)-4 provided additional fracture healing benefit in osteopenic bone. Micro-computed tomography, in situ histomorphometry, and bone mechanical parameters were used to assess systemic impacts of CSF1-Fc therapy in naive mice (male and female young, adult and geriatric). An intermittent CSF1-Fc regimen was optimized to mitigate undesirable impacts on bone resorption and hepatosplenomegaly, irrespective of age or gender. The intermittent CSF1-Fc regimen was tested in a mid-diaphyseal femoral fracture model in healthy bones with treatment initiated 1-day post-fracture. Weekly CSF1-Fc did not impact osteoclasts but increased osteal macrophages and improved fracture strength. Importantly, this treatment regimen also improved fracture union and strength in an ovariectomy-model of delayed fracture repair. Combining CSF1-Fc with IL-4 initiated 1-week post-fracture reduced the efficacy of CSF1-Fc. This study describes a novel strategy to specifically achieve bone regenerative actions of CSF1-Fc that has the potential to alleviate fragility fracture morbidity and mortality.
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35
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Suzuki T, Ishii S, Shinohara M, Kawano Y, Wakahashi K, Kawano H, Sada A, Minagawa K, Hamada M, Takahashi S, Furuyashiki T, Tan NS, Matsui T, Katayama Y. Mobilization efficiency is critically regulated by fat via marrow PPARδ. Haematologica 2021; 106:1671-1683. [PMID: 33538151 PMCID: PMC8168511 DOI: 10.3324/haematol.2020.265751] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Indexed: 12/21/2022] Open
Abstract
The mobilization efficiency of hematopoietic stem/progenitor cells from bone marrow (BM) to circulation by granulocyte colony-stimulating factor (G-CSF) is dramatically dispersed in humans and mice with no mechanistic lead for poor mobilizers. The regulatory mechanism for mobilization efficiency by dietary fat was assessed in mice. Fat-free diet (FFD) for 2 weeks greatly increased mobilization compared to normal diet (ND). The BM mRNA level of peroxisome proliferator-activated receptor δ (PPARδ), a receptor for lipid mediators, was markedly up-regulated by G-CSF in mice fed with ND and displayed strong positive correlation with widely scattered mobilization efficiency. It was hypothesized that BM fat ligand for PPARδ might inhibit mobilization. The PPARδ agonist inhibited mobilization in mice fed with ND and enhanced mobilization by FFD. Treatment with the PPARδ antagonist and chimeric mice with PPARδ+/- BM showed enhanced mobilization. Immunohistochemical staining and flow cytometry revealed that BM PPARδ expression was enhanced by G-CSF mainly in mature/immature neutrophils. BM lipid mediator analysis revealed that G-CSF treatment and FFD resulted in the exhaustion of ω3-polyunsaturated fatty acids such as eicosapentaenoic acid (EPA). EPA induced the up-regulation of genes downstream of PPARδ, such as carnitine palmitoyltransferase-1α and angiopoietin-like protein 4 (Angptl4), in mature/immature neutrophils in vitro and inhibited enhanced mobilization in mice fed with FFD in vivo. Treatment of wild-type mice with the anti-Angptl4 antibody enhanced mobilization together with BM vascular permeability. Collectively, PPARδ signaling in BM mature/immature neutrophils induced by dietary fatty acids negatively regulates mobilization, at least partially, via Angptl4 production.
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Affiliation(s)
- Tomohide Suzuki
- Hematology, Department of Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe 650-0017
| | - Shinichi Ishii
- Hematology, Department of Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe 650-0017
| | - Masakazu Shinohara
- Division of Epidemiology; The Integrated Center for Mass Spectrometry, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe 650-0017
| | - Yuko Kawano
- Hematology, Department of Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe 650-0017
| | - Kanako Wakahashi
- Hematology, Department of Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe 650-0017
| | - Hiroki Kawano
- Hematology, Department of Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe 650-0017
| | - Akiko Sada
- Hematology, Department of Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe 650-0017
| | - Kentaro Minagawa
- Hematology, Department of Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe 650-0017
| | - Michito Hamada
- Department of Anatomy and Embryology, Faculty of Medicine,
| | - Satoru Takahashi
- Department of Anatomy and Embryology, Faculty of Medicine; Transborder Medical Research Center (TMRC),; International Institute for Integrative Sleep Medicine (WPI-IIIS); Life Science Center, Tsukuba Advanced Research Alliance (TARA), University of Tsukuba, 1-1-1 Tennodai, Tsukuba 305-8576
| | - Tomoyuki Furuyashiki
- Division of Pharmacology, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe 650-0017
| | - Nguan Soon Tan
- Lee Kong Chian School of Medicine, Nanyang Technological University Singapore, 11 Mandalay Road, Singapore 308232; School of Biological Sciences, Nanyang Technological University Singapore, 60 Nanyang Drive, Singapore 637551
| | - Toshimitsu Matsui
- Department of Hematology, Nishiwaki Municipal Hospital, 652-1 Shimotoda, Nishiwaki 677-0043
| | - Yoshio Katayama
- Hematology, Department of Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe 650-0017.
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Youlten SE, Kemp JP, Logan JG, Ghirardello EJ, Sergio CM, Dack MRG, Guilfoyle SE, Leitch VD, Butterfield NC, Komla-Ebri D, Chai RC, Corr AP, Smith JT, Mohanty ST, Morris JA, McDonald MM, Quinn JMW, McGlade AR, Bartonicek N, Jansson M, Hatzikotoulas K, Irving MD, Beleza-Meireles A, Rivadeneira F, Duncan E, Richards JB, Adams DJ, Lelliott CJ, Brink R, Phan TG, Eisman JA, Evans DM, Zeggini E, Baldock PA, Bassett JHD, Williams GR, Croucher PI. Osteocyte transcriptome mapping identifies a molecular landscape controlling skeletal homeostasis and susceptibility to skeletal disease. Nat Commun 2021; 12:2444. [PMID: 33953184 PMCID: PMC8100170 DOI: 10.1038/s41467-021-22517-1] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Accepted: 03/11/2021] [Indexed: 12/17/2022] Open
Abstract
Osteocytes are master regulators of the skeleton. We mapped the transcriptome of osteocytes from different skeletal sites, across age and sexes in mice to reveal genes and molecular programs that control this complex cellular-network. We define an osteocyte transcriptome signature of 1239 genes that distinguishes osteocytes from other cells. 77% have no previously known role in the skeleton and are enriched for genes regulating neuronal network formation, suggesting this programme is important in osteocyte communication. We evaluated 19 skeletal parameters in 733 knockout mouse lines and reveal 26 osteocyte transcriptome signature genes that control bone structure and function. We showed osteocyte transcriptome signature genes are enriched for human orthologs that cause monogenic skeletal disorders (P = 2.4 × 10-22) and are associated with the polygenic diseases osteoporosis (P = 1.8 × 10-13) and osteoarthritis (P = 1.6 × 10-7). Thus, we reveal the molecular landscape that regulates osteocyte network formation and function and establish the importance of osteocytes in human skeletal disease.
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Affiliation(s)
- Scott E Youlten
- Bone Biology, Garvan Institute of Medical Research, Darlinghurst, Sydney, NSW, Australia
- St Vincent's Clinical School, Faculty of Medicine, UNSW Sydney, Sydney, NSW, Australia
| | - John P Kemp
- University of Queensland Diamantina Institute, UQ, Brisbane, QLD, Australia
- MRC Integrative Epidemiology Unit, University of Bristol, Bristol, UK
| | - John G Logan
- Molecular Endocrinology Laboratory, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Elena J Ghirardello
- Molecular Endocrinology Laboratory, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Claudio M Sergio
- Bone Biology, Garvan Institute of Medical Research, Darlinghurst, Sydney, NSW, Australia
| | - Michael R G Dack
- Molecular Endocrinology Laboratory, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Siobhan E Guilfoyle
- Molecular Endocrinology Laboratory, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Victoria D Leitch
- Molecular Endocrinology Laboratory, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
- RMIT Centre for Additive Manufacturing, School of Engineering, RMIT University, Melbourne, VIC, UK
| | - Natalie C Butterfield
- Molecular Endocrinology Laboratory, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Davide Komla-Ebri
- Molecular Endocrinology Laboratory, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Ryan C Chai
- Bone Biology, Garvan Institute of Medical Research, Darlinghurst, Sydney, NSW, Australia
| | - Alexander P Corr
- Bone Biology, Garvan Institute of Medical Research, Darlinghurst, Sydney, NSW, Australia
- St Vincent's Clinical School, Faculty of Medicine, UNSW Sydney, Sydney, NSW, Australia
- Faculty of Science, University of Bath, Bath, UK
| | - James T Smith
- Bone Biology, Garvan Institute of Medical Research, Darlinghurst, Sydney, NSW, Australia
- St Vincent's Clinical School, Faculty of Medicine, UNSW Sydney, Sydney, NSW, Australia
- Faculty of Science, University of Bath, Bath, UK
| | - Sindhu T Mohanty
- Bone Biology, Garvan Institute of Medical Research, Darlinghurst, Sydney, NSW, Australia
| | - John A Morris
- New York Genome Center, New York, NY, USA
- Faculty of Arts and Science, Department of Biology, New York University, New York, NY, USA
| | - Michelle M McDonald
- Bone Biology, Garvan Institute of Medical Research, Darlinghurst, Sydney, NSW, Australia
- St Vincent's Clinical School, Faculty of Medicine, UNSW Sydney, Sydney, NSW, Australia
| | - Julian M W Quinn
- Bone Biology, Garvan Institute of Medical Research, Darlinghurst, Sydney, NSW, Australia
| | - Amelia R McGlade
- Bone Biology, Garvan Institute of Medical Research, Darlinghurst, Sydney, NSW, Australia
| | - Nenad Bartonicek
- Garvan Institute of Medical Research and The Kinghorn Cancer Centre, Darlinghurst, Sydney, NSW, Australia
| | - Matt Jansson
- Viapath Genetics Laboratory, Viapath Analytics LLP, Guy's Hospital, London, UK
- Department of Clinical Genetics, Guy's Hospital, London, UK
| | - Konstantinos Hatzikotoulas
- Institute of Translational Genomics, Helmholtz Zentrum München - German Research Center for Environmental Health, Phoenix, AZ, USA
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, UK
| | - Melita D Irving
- Department of Clinical Genetics, Guy's and St Thomas' NHS Trust, London, UK
| | | | | | - Emma Duncan
- Faculty of Life Sciences and Medicine, Department of Twin Research & Genetic Epidemiology, School of Life Course Sciences, King's College London, London, UK
- Australian Translational Genomics Centre, Institute of Health and Biomedical Innovation, Faculty of Health, Queensland University of Technology, Brisbane, QLD, Australia
- Faculty of Medicine, University of Queensland, St Lucia, QLD, Australia
| | - J Brent Richards
- Faculty of Life Sciences and Medicine, Department of Twin Research & Genetic Epidemiology, School of Life Course Sciences, King's College London, London, UK
- Faculty of Medicine, McGill University, Quebec, Canada
| | | | | | - Robert Brink
- St Vincent's Clinical School, Faculty of Medicine, UNSW Sydney, Sydney, NSW, Australia
- Division of Immunology, Garvan Institute of Medical Research, Darlinghurst, Sydney, NSW, Australia
| | - Tri Giang Phan
- St Vincent's Clinical School, Faculty of Medicine, UNSW Sydney, Sydney, NSW, Australia
- Division of Immunology, Garvan Institute of Medical Research, Darlinghurst, Sydney, NSW, Australia
| | - John A Eisman
- Bone Biology, Garvan Institute of Medical Research, Darlinghurst, Sydney, NSW, Australia
- St Vincent's Clinical School, Faculty of Medicine, UNSW Sydney, Sydney, NSW, Australia
- School of Medicine Sydney, University of Notre Dame Australia, Fremantle, Australia
| | - David M Evans
- University of Queensland Diamantina Institute, UQ, Brisbane, QLD, Australia
- MRC Integrative Epidemiology Unit, University of Bristol, Bristol, UK
| | - Eleftheria Zeggini
- Institute of Translational Genomics, Helmholtz Zentrum München - German Research Center for Environmental Health, Phoenix, AZ, USA
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, UK
| | - Paul A Baldock
- Bone Biology, Garvan Institute of Medical Research, Darlinghurst, Sydney, NSW, Australia
| | - J H Duncan Bassett
- Molecular Endocrinology Laboratory, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK.
| | - Graham R Williams
- Molecular Endocrinology Laboratory, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK.
| | - Peter I Croucher
- Bone Biology, Garvan Institute of Medical Research, Darlinghurst, Sydney, NSW, Australia.
- St Vincent's Clinical School, Faculty of Medicine, UNSW Sydney, Sydney, NSW, Australia.
- School of Biotechnology and Biomolecular Sciences, UNSW Australia, Sydney, Australia.
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Wan Q, Qin W, Ma Y, Shen M, Li J, Zhang Z, Chen J, Tay FR, Niu L, Jiao K. Crosstalk between Bone and Nerves within Bone. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:2003390. [PMID: 33854888 PMCID: PMC8025013 DOI: 10.1002/advs.202003390] [Citation(s) in RCA: 71] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 10/29/2020] [Indexed: 05/11/2023]
Abstract
For the past two decades, the function of intrabony nerves on bone has been a subject of intense research, while the function of bone on intrabony nerves is still hidden in the corner. In the present review, the possible crosstalk between bone and intrabony peripheral nerves will be comprehensively analyzed. Peripheral nerves participate in bone development and repair via a host of signals generated through the secretion of neurotransmitters, neuropeptides, axon guidance factors and neurotrophins, with additional contribution from nerve-resident cells. In return, bone contributes to this microenvironmental rendezvous by housing the nerves within its internal milieu to provide mechanical support and a protective shelf. A large ensemble of chemical, mechanical, and electrical cues works in harmony with bone marrow stromal cells in the regulation of intrabony nerves. The crosstalk between bone and nerves is not limited to the physiological state, but also involved in various bone diseases including osteoporosis, osteoarthritis, heterotopic ossification, psychological stress-related bone abnormalities, and bone related tumors. This crosstalk may be harnessed in the design of tissue engineering scaffolds for repair of bone defects or be targeted for treatment of diseases related to bone and peripheral nerves.
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Affiliation(s)
- Qian‐Qian Wan
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of StomatologyDepartment of ProsthodonticsSchool of StomatologyThe Fourth Military Medical UniversityXi'anShaanxi710032China
| | - Wen‐Pin Qin
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of StomatologyDepartment of ProsthodonticsSchool of StomatologyThe Fourth Military Medical UniversityXi'anShaanxi710032China
| | - Yu‐Xuan Ma
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of StomatologyDepartment of ProsthodonticsSchool of StomatologyThe Fourth Military Medical UniversityXi'anShaanxi710032China
| | - Min‐Juan Shen
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of StomatologyDepartment of ProsthodonticsSchool of StomatologyThe Fourth Military Medical UniversityXi'anShaanxi710032China
| | - Jing Li
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of StomatologyDepartment of ProsthodonticsSchool of StomatologyThe Fourth Military Medical UniversityXi'anShaanxi710032China
| | - Zi‐Bin Zhang
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of StomatologyDepartment of ProsthodonticsSchool of StomatologyThe Fourth Military Medical UniversityXi'anShaanxi710032China
| | - Ji‐Hua Chen
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of StomatologyDepartment of ProsthodonticsSchool of StomatologyThe Fourth Military Medical UniversityXi'anShaanxi710032China
| | - Franklin R. Tay
- College of Graduate StudiesAugusta UniversityAugustaGA30912USA
| | - Li‐Na Niu
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of StomatologyDepartment of ProsthodonticsSchool of StomatologyThe Fourth Military Medical UniversityXi'anShaanxi710032China
| | - Kai Jiao
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of StomatologyDepartment of ProsthodonticsSchool of StomatologyThe Fourth Military Medical UniversityXi'anShaanxi710032China
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38
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Ishii S, Suzuki T, Wakahashi K, Asada N, Kawano Y, Kawano H, Sada A, Minagawa K, Nakamura Y, Mizuno S, Takahashi S, Matsui T, Katayama Y. FGF-23 from erythroblasts promotes hematopoietic progenitor mobilization. Blood 2021; 137:1457-1467. [PMID: 33512467 DOI: 10.1182/blood.2020007172] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Accepted: 12/15/2020] [Indexed: 12/26/2022] Open
Abstract
Fibroblast growth factor 23 (FGF-23) hormone is produced by bone-embedded osteocytes and regulates phosphate homeostasis in kidneys. We found that administration of granulocyte colony-stimulating factor (G-CSF) to mice induced a rapid, substantial increase in FGF-23 messenger RNA in bone marrow (BM) cells. This increase originated mainly from CD45-Ter119+CD71+ erythroblasts. FGF-23 protein in BM extracellular fluid was markedly increased during G-CSF-induced hematopoietic progenitor cell (HPC) mobilization, but remained stable in the blood, with no change in the phosphate level. Consistent with the BM hypoxia induced by G-CSF, low oxygen concentration induced FGF-23 release from human erythroblast HUDEP-2 cells in vitro. The efficient mobilization induced by G-CSF decreased drastically in both FGF-23-/- and chimeric mice with FGF-23 deficiency, only in hematopoietic cells, but increased in osteocyte-specific FGF-23-/- mice. This finding suggests that erythroblast-derived, but not bone-derived, FGF-23 is needed to release HPCs from BM into the circulation. Mechanistically, FGF-23 did not influence CXCL-12 binding to CXCR-4 on progenitors but interfered with their transwell migration toward CXCL-12, which was canceled by FGF receptor inhibitors. These results suggest that BM erythroblasts facilitate G-CSF-induced HPC mobilization via FGF-23 production as an intrinsic suppressor of chemoattraction.
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Affiliation(s)
- Shinichi Ishii
- Division of Hematology, Department of Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Tomohide Suzuki
- Division of Hematology, Department of Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Kanako Wakahashi
- Division of Hematology, Department of Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Noboru Asada
- Division of Hematology, Department of Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yuko Kawano
- Division of Hematology, Department of Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hiroki Kawano
- Division of Hematology, Department of Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Akiko Sada
- Division of Hematology, Department of Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Kentaro Minagawa
- Division of Hematology, Department of Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yukio Nakamura
- Cell Engineering Division, RIKEN BioResource Research Center, Ibaraki, Japan
| | | | - Satoru Takahashi
- Transborder Medical Research Center (TMRC)
- Department of Anatomy and Embryology, Faculty of Medicine
- International Institute for Integrative Sleep Medicine (WPI-IIIS), and
- Life Science Center, Tsukuba Advanced Research Alliance (TARA), University of Tsukuba, Tsukuba, Japan; and
| | - Toshimitsu Matsui
- Department of Hematology, Nishiwaki Municipal Hospital, Nishiwaki, Japan
| | - Yoshio Katayama
- Division of Hematology, Department of Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
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Wang YN, Liu S, Jia T, Feng Y, Zhang W, Xu X, Zhang D. T Cell Protein Tyrosine Phosphatase in Osteoimmunology. Front Immunol 2021; 12:620333. [PMID: 33692794 PMCID: PMC7938726 DOI: 10.3389/fimmu.2021.620333] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Accepted: 01/04/2021] [Indexed: 12/23/2022] Open
Abstract
Osteoimmunology highlights the two-way communication between bone and immune cells. T cell protein tyrosine phosphatase (TCPTP), also known as protein-tyrosine phosphatase non-receptor 2 (PTPN2), is an intracellular protein tyrosine phosphatase (PTP) essential in regulating immune responses and bone metabolism via dephosphorylating target proteins. Tcptp knockout in systemic or specific immune cells can seriously damage the immune function, resulting in bone metabolism disorders. This review provided fresh insights into the potential role of TCPTP in osteoimmunology. Overall, the regulation of osteoimmunology by TCPTP is extremely complicated. TCPTP negatively regulates macrophages activation and inflammatory factors secretion to inhibit bone resorption. TCPTP regulates T lymphocytes differentiation and T lymphocytes-related cytokines signaling to maintain bone homeostasis. TCPTP is also expected to regulate bone metabolism by targeting B lymphocytes under certain time and conditions. This review offers a comprehensive update on the roles of TCPTP in osteoimmunology, which can be a promising target for the prevention and treatment of inflammatory bone loss.
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Affiliation(s)
- Ya-Nan Wang
- Department of Implantology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, Jinan, China.,Shandong Key Laboratory of Oral Tissue Regeneration, Jinan, China.,Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, China
| | - Shiyue Liu
- Shandong Key Laboratory of Oral Tissue Regeneration, Jinan, China.,Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, China.,Department of Periodontology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Tingting Jia
- Department of Implantology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, Jinan, China.,Shandong Key Laboratory of Oral Tissue Regeneration, Jinan, China.,Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, China
| | - Yao Feng
- Department of Implantology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, Jinan, China.,Shandong Key Laboratory of Oral Tissue Regeneration, Jinan, China.,Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, China
| | - Wenjing Zhang
- Department of Implantology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, Jinan, China.,Shandong Key Laboratory of Oral Tissue Regeneration, Jinan, China.,Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, China
| | - Xin Xu
- Department of Implantology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, Jinan, China.,Shandong Key Laboratory of Oral Tissue Regeneration, Jinan, China.,Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, China
| | - Dongjiao Zhang
- Department of Implantology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, Jinan, China.,Shandong Key Laboratory of Oral Tissue Regeneration, Jinan, China.,Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, China
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Man Y, Yao X, Yang T, Wang Y. Hematopoietic Stem Cell Niche During Homeostasis, Malignancy, and Bone Marrow Transplantation. Front Cell Dev Biol 2021; 9:621214. [PMID: 33553181 PMCID: PMC7862549 DOI: 10.3389/fcell.2021.621214] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Accepted: 01/04/2021] [Indexed: 12/12/2022] Open
Abstract
Self-renewal and multidirectional differentiation of hematopoietic stem cells (HSCs) are strictly regulated by numerous cellular components and cytokines in the bone marrow (BM) microenvironment. Several cell types that regulate HSC niche have been identified, including both non-hematopoietic cells and HSC-derived cells. Specific changes in the niche composition can result in hematological malignancies. Furthermore, processes such as homing, proliferation, and differentiation of HSCs are strongly controlled by the BM niche and have been reported to be related to the success of hematopoietic stem cell transplantation (HSCT). Single-cell sequencing and in vivo imaging are powerful techniques to study BM microenvironment in hematological malignancies and after HSCT. In this review, we discuss how different components of the BM niche, particularly non-hematopoietic and hematopoietic cells, regulate normal hematopoiesis, and changes in the BM niche in leukemia and after HSCT. We believe that this comprehensive review will provide clues for further research on improving HSCT efficiency and exploring potential therapeutic targets for leukemia.
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Affiliation(s)
- Yan Man
- Department of Hematology, National Key Clinical Specialty of Hematology, Yunnan Blood Disease Clinical Medical Center, Yunnan Blood Disease Hospital, The First People's Hospital of Yunnan Province, Kunming, China.,Kunming University of Science and Technology, Kunming, China
| | - Xiangmei Yao
- Department of Hematology, National Key Clinical Specialty of Hematology, Yunnan Blood Disease Clinical Medical Center, Yunnan Blood Disease Hospital, The First People's Hospital of Yunnan Province, Kunming, China.,Kunming University of Science and Technology, Kunming, China
| | - Tonghua Yang
- Department of Hematology, National Key Clinical Specialty of Hematology, Yunnan Blood Disease Clinical Medical Center, Yunnan Blood Disease Hospital, The First People's Hospital of Yunnan Province, Kunming, China.,Kunming University of Science and Technology, Kunming, China
| | - Yajie Wang
- Department of Hematology, National Key Clinical Specialty of Hematology, Yunnan Blood Disease Clinical Medical Center, Yunnan Blood Disease Hospital, The First People's Hospital of Yunnan Province, Kunming, China.,Kunming University of Science and Technology, Kunming, China
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41
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Culibrk RA, Hahn MS. The Role of Chronic Inflammatory Bone and Joint Disorders in the Pathogenesis and Progression of Alzheimer's Disease. Front Aging Neurosci 2020; 12:583884. [PMID: 33364931 PMCID: PMC7750365 DOI: 10.3389/fnagi.2020.583884] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Accepted: 11/06/2020] [Indexed: 12/12/2022] Open
Abstract
Late-onset Alzheimer's Disease (LOAD) is a devastating neurodegenerative disorder that causes significant cognitive debilitation in tens of millions of patients worldwide. Throughout disease progression, abnormal secretase activity results in the aberrant cleavage and subsequent aggregation of neurotoxic Aβ plaques in the cerebral extracellular space and hyperphosphorylation and destabilization of structural tau proteins surrounding neuronal microtubules. Both pathologies ultimately incite the propagation of a disease-associated subset of microglia-the principle immune cells of the brain-characterized by preferentially pro-inflammatory cytokine secretion and inhibited AD substrate uptake capacity, which further contribute to neuronal degeneration. For decades, chronic neuroinflammation has been identified as one of the cardinal pathophysiological driving features of AD; however, despite a number of works postulating the underlying mechanisms of inflammation-mediated neurodegeneration, its pathogenesis and relation to the inception of cognitive impairment remain obscure. Moreover, the limited clinical success of treatments targeting specific pathological features in the central nervous system (CNS) illustrates the need to investigate alternative, more holistic approaches for ameliorating AD outcomes. Accumulating evidence suggests significant interplay between peripheral immune activity and blood-brain barrier permeability, microglial activation and proliferation, and AD-related cognitive decline. In this work, we review a narrow but significant subset of chronic peripheral inflammatory conditions, describe how these pathologies are associated with the preponderance of neuroinflammation, and posit that we may exploit peripheral immune processes to design interventional, preventative therapies for LOAD. We then provide a comprehensive overview of notable treatment paradigms that have demonstrated considerable merit toward treating these disorders.
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Affiliation(s)
| | - Mariah S. Hahn
- Department of Biomedical Engineering, Rensselaer Polytechnic Institute, Troy, NY, United States
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42
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Sezaki M, Hayashi Y, Wang Y, Johansson A, Umemoto T, Takizawa H. Immuno-Modulation of Hematopoietic Stem and Progenitor Cells in Inflammation. Front Immunol 2020; 11:585367. [PMID: 33329562 PMCID: PMC7732516 DOI: 10.3389/fimmu.2020.585367] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Accepted: 10/26/2020] [Indexed: 12/19/2022] Open
Abstract
Lifelong blood production is maintained by bone marrow (BM)-residing hematopoietic stem cells (HSCs) that are defined by two special properties: multipotency and self-renewal. Since dysregulation of either may lead to a differentiation block or extensive proliferation causing dysplasia or neoplasia, the genomic integrity and cellular function of HSCs must be tightly controlled and preserved by cell-intrinsic programs and cell-extrinsic environmental factors of the BM. The BM had been long regarded an immune-privileged organ shielded from immune insults and inflammation, and was thereby assumed to provide HSCs and immune cells with a protective environment to ensure blood and immune homeostasis. Recently, accumulating evidence suggests that hemato-immune challenges such as autoimmunity, inflammation or infection elicit a broad spectrum of immunological reactions in the BM, and in turn, influence the function of HSCs and BM environmental cells. Moreover, in analogy with the emerging concept of “trained immunity”, certain infection-associated stimuli are able to train HSCs and progenitors to produce mature immune cells with enhanced responsiveness to subsequent challenges, and in some cases, form an inflammatory or infectious memory in HSCs themselves. In this review, we will introduce recent findings on HSC and hematopoietic regulation upon exposure to various hemato-immune stimuli and discuss how these challenges can elicit either beneficial or detrimental outcomes on HSCs and the hemato-immune system, as well as their relevance to aging and hematologic malignancies.
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Affiliation(s)
- Maiko Sezaki
- Laboratory of Stem Cell Stress, International Research Center for Medical Sciences (IRCMS), Kumamoto University, Kumamoto, Japan
| | - Yoshikazu Hayashi
- Laboratory of Stem Cell Stress, International Research Center for Medical Sciences (IRCMS), Kumamoto University, Kumamoto, Japan.,Laboratory of Hematopoietic Stem Cell Engineering, International Research Center for Medical Sciences (IRCMS), Kumamoto University, Kumamoto, Japan.,Division of Functional Structure, Department of Morphological Biology, Fukuoka Dental College, Fukuoka, Japan
| | - Yuxin Wang
- Laboratory of Stem Cell Stress, International Research Center for Medical Sciences (IRCMS), Kumamoto University, Kumamoto, Japan.,Department of Hematology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Alban Johansson
- Laboratory of Stem Cell Stress, International Research Center for Medical Sciences (IRCMS), Kumamoto University, Kumamoto, Japan.,Laboratory of Hematopoietic Stem Cell Engineering, International Research Center for Medical Sciences (IRCMS), Kumamoto University, Kumamoto, Japan
| | - Terumasa Umemoto
- Laboratory of Hematopoietic Stem Cell Engineering, International Research Center for Medical Sciences (IRCMS), Kumamoto University, Kumamoto, Japan
| | - Hitoshi Takizawa
- Laboratory of Stem Cell Stress, International Research Center for Medical Sciences (IRCMS), Kumamoto University, Kumamoto, Japan.,Center for Metabolic Regulation of Healthy Aging, Kumamoto University, Kumamoto, Japan
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Abstract
The bone marrow (BM) is the primary site of postnatal hematopoiesis and hematopoietic stem cell (HSC) maintenance. The BM HSC niche is an essential microenvironment which evolves and responds to the physiological demands of HSCs. It is responsible for orchestrating the fate of HSCs and tightly regulates the processes that occur in the BM, including self-renewal, quiescence, engraftment, and lineage differentiation. However, the BM HSC niche is disturbed following hematological stress such as hematological malignancies, ionizing radiation, and chemotherapy, causing the cellular composition to alter and remodeling to occur. Consequently, hematopoietic recovery has been the focus of many recent studies and elucidating these mechanisms has great biological and clinical relevance, namely to exploit these mechanisms as a therapeutic treatment for hematopoietic malignancies and improve regeneration following BM injury. The sympathetic nervous system innervates the BM niche and regulates the migration of HSCs in and out of the BM under steady state. However, recent studies have investigated how sympathetic innervation and signaling are dysregulated under stress and the subsequent effect they have on hematopoiesis. Here, we provide an overview of distinct BM niches and how they contribute to HSC regulatory processes with a particular focus on neuronal regulation of HSCs under steady state and stress hematopoiesis.
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Affiliation(s)
- Claire Fielding
- Haematology, University of Cambridge, Cambridge, UK
- Wellcome-MRC Cambridge Stem Cell Institute, Cambridge, UK
- National Health Service Blood and Transplant, Cambridge, UK
| | - Simón Méndez-Ferrer
- Haematology, University of Cambridge, Cambridge, UK
- Wellcome-MRC Cambridge Stem Cell Institute, Cambridge, UK
- National Health Service Blood and Transplant, Cambridge, UK
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44
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Berger SM, Griffin JS, Dent SC. Phenotypes and pathways: Working toward an integrated skeletal biology in biological anthropology. Am J Hum Biol 2020; 33:e23450. [PMID: 32511865 DOI: 10.1002/ajhb.23450] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 04/01/2020] [Accepted: 05/17/2020] [Indexed: 01/02/2023] Open
Affiliation(s)
- Steph M Berger
- Department of Anthropology, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Jacob S Griffin
- Department of Anthropology, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Sophia C Dent
- Department of Anthropology, University of North Carolina, Chapel Hill, North Carolina, USA
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Rosen CJ, Figueroa CA. Parkinson's disease and osteoporosis: basic and clinical implications. Expert Rev Endocrinol Metab 2020; 15:185-193. [PMID: 32336178 PMCID: PMC7250483 DOI: 10.1080/17446651.2020.1756772] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/26/2019] [Accepted: 04/14/2020] [Indexed: 12/20/2022]
Abstract
Introduction: Parkinson's disease (PD) is the second most frequent neurodegenerative disease. Lewy bodies, the hallmark of this disease due to an accumulation of α-synuclein, lead to loss of dopamine-regulated motor circuits, concomitantly progressive immobilization and a broad range of nonmotor features. PD patients have more hospitalizations, endure longer recovery time from comorbidities, and exhibit higher mortality than healthy controls. Although often overlooked, secondary osteoporosis has been reported frequently and is associated with a worse prognosis.Areas covered: In this review, we discuss the pathophysiology of PD from a systemic perspective. We searched on PubMed articles from the last 20 years in PD, both clinical features and bone health status. We discuss possible neuro/endocrine mechanisms by which PD impacts the skeleton, review available therapy for osteoporotic fractures and highlight evidence gaps in defining skeletal co-morbid events.Expert opinion: Future research is essential to understand the local and systemic effects of dopaminergic signaling on bone remodeling and to determine how pathological α-synuclein deposition in the central nervous system might impact the skeleton. It is hoped that a systematic approach to the pathogenesis of this disease and its treatment will allow the informed use of osteoporotic drugs to prevent fractures in PD patients.
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Affiliation(s)
- Clifford J Rosen
- Maine Medical Center Research Institute, 81 Research Drive, Scarborough, Maine 04074, USA
| | - Carolina A Figueroa
- Maine Medical Center Research Institute, 81 Research Drive, Scarborough, Maine 04074, USA
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46
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Morikawa T, Tamaki S, Fujita S, Suematsu M, Takubo K. Identification and local manipulation of bone marrow vasculature during intravital imaging. Sci Rep 2020; 10:6422. [PMID: 32286470 PMCID: PMC7156750 DOI: 10.1038/s41598-020-63533-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Accepted: 04/01/2020] [Indexed: 02/02/2023] Open
Abstract
Physiological regulation of blood flow in bone marrow is important to maintain oxygen and glucose supplies but also the physiological hypoxic state of the hematopoietic stem cell (HSC) niche. However, regulatory mechanisms underlying microcirculation in the bone marrow (BM) niche remain unclear. Here, we identify vessels functioning in control of blood flow in bone marrow and assess their contractility. To evaluate contractile potential of Alexa Fluor 633 (AF633; an arterial marker)-positive vessels, we performed immunohistochemistry for α-smooth muscle actin (α-SMA) and found it expressed around AF633+ vessels in the femoral and calvarial marrow. To validate AF633+ vessel contractility, we developed a simple system to locally administer vasoactive agents that penetrate BM through transcalvarial vessels. After exposure of the calvarial surface to FITC-dextran (70 kDa), FITC intensity in calvarial bone marrow gradually increased. When we evaluated the effect of transcalvarial administration (TCA) of norepinephrine (NE) on vascular tone of AF633+ arteries and behavior of transplanted blood cells, NE administration decreased artery diameter and transendothelial migration of transplanted cells, suggesting that adrenergic signaling regulates the HSC niche microcirculation and blood cell migration into the BM via effects on BMarteries. We conclude that TCA is a useful tool for bone marrow research.
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Affiliation(s)
- Takayuki Morikawa
- Department of Stem Cell Biology, Research Institute, National Center for Global Health and Medicine, Tokyo, 162-8655, Japan
| | - Shinpei Tamaki
- Department of Stem Cell Biology, Research Institute, National Center for Global Health and Medicine, Tokyo, 162-8655, Japan
| | - Shinya Fujita
- Department of Stem Cell Biology, Research Institute, National Center for Global Health and Medicine, Tokyo, 162-8655, Japan
| | - Makoto Suematsu
- Department of Biochemistry, Keio University School of Medicine, Tokyo, 160-8582, Japan
| | - Keiyo Takubo
- Department of Stem Cell Biology, Research Institute, National Center for Global Health and Medicine, Tokyo, 162-8655, Japan.
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47
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Lin KH, Chiang JC, Ho YH, Yao CL, Lee H. Lysophosphatidic Acid and Hematopoiesis: From Microenvironmental Effects to Intracellular Signaling. Int J Mol Sci 2020; 21:ijms21062015. [PMID: 32188052 PMCID: PMC7139687 DOI: 10.3390/ijms21062015] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 03/13/2020] [Accepted: 03/13/2020] [Indexed: 02/06/2023] Open
Abstract
Vertebrate hematopoiesis is a complex physiological process that is tightly regulated by intracellular signaling and extracellular microenvironment. In recent decades, breakthroughs in lineage-tracing technologies and lipidomics have revealed the existence of numerous lipid molecules in hematopoietic microenvironment. Lysophosphatidic acid (LPA), a bioactive phospholipid molecule, is one of the identified lipids that participates in hematopoiesis. LPA exhibits various physiological functions through activation of G-protein-coupled receptors. The functions of these LPARs have been widely studied in stem cells, while the roles of LPARs in hematopoietic stem cells have rarely been examined. Nonetheless, mounting evidence supports the importance of the LPA-LPAR axis in hematopoiesis. In this article, we have reviewed regulation of hematopoiesis in general and focused on the microenvironmental and intracellular effects of the LPA in hematopoiesis. Discoveries in these areas may be beneficial to our understanding of blood-related disorders, especially in the context of prevention and therapy for anemia.
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Affiliation(s)
- Kuan-Hung Lin
- Department of Life Science, National Taiwan University, Taipei 10617, Taiwan; (K.-H.L.); (J.-C.C.)
| | - Jui-Chung Chiang
- Department of Life Science, National Taiwan University, Taipei 10617, Taiwan; (K.-H.L.); (J.-C.C.)
- Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Ya-Hsuan Ho
- Wellcome Trust-Medical Research Council Cambridge Stem Cell Institute and Department of Haematology, University of Cambridge, Cambridge CB2 0AW, UK;
| | - Chao-Ling Yao
- Department of Chemical Engineering and Materials Science, Yuan Ze University, Taoyuan 32003, Taiwan;
| | - Hsinyu Lee
- Department of Life Science, National Taiwan University, Taipei 10617, Taiwan; (K.-H.L.); (J.-C.C.)
- Department of Electrical Engineering, National Taiwan University, Taipei 10617, Taiwan
- Angiogenesis Research Center, National Taiwan University, Taipei 10617, Taiwan
- Research Center for Developmental Biology and Regenerative Medicine, National Taiwan University, Taipei 10617, Taiwan
- Center for Biotechnology, National Taiwan University, Taipei 10617, Taiwan
- Correspondence: ; Tel.: +8862-3366-2499; Fax: +8862-2363-6837
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48
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Pinho S, Frenette PS. Haematopoietic stem cell activity and interactions with the niche. Nat Rev Mol Cell Biol 2020; 20:303-320. [PMID: 30745579 DOI: 10.1038/s41580-019-0103-9] [Citation(s) in RCA: 573] [Impact Index Per Article: 143.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The haematopoietic stem cell (HSC) microenvironment in the bone marrow, termed the niche, ensures haematopoietic homeostasis by controlling the proliferation, self-renewal, differentiation and migration of HSCs and progenitor cells at steady state and in response to emergencies and injury. Improved methods for HSC isolation, driven by advances in single-cell and molecular technologies, have led to a better understanding of their behaviour, heterogeneity and lineage fate and of the niche cells and signals that regulate their function. Niche regulatory signals can be in the form of cell-bound or secreted factors and other local physical cues. A combination of technological advances in bone marrow imaging and genetic manipulation of crucial regulatory factors has enabled the identification of several candidate cell types regulating the niche, including both non-haematopoietic (for example, perivascular mesenchymal stem and endothelial cells) and HSC-derived (for example, megakaryocytes, macrophages and regulatory T cells), with better topographical understanding of HSC localization in the bone marrow. Here, we review advances in our understanding of HSC regulation by niches during homeostasis, ageing and cancer, and we discuss their implications for the development of therapies to rejuvenate aged HSCs or niches or to disrupt self-reinforcing malignant niches.
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Affiliation(s)
- Sandra Pinho
- Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Albert Einstein College of Medicine, Bronx, New York, NY, USA.,Department of Cell Biology, Albert Einstein College of Medicine, Bronx, New York, NY, USA.,Department of Medicine, Albert Einstein College of Medicine, Bronx, New York, NY, USA
| | - Paul S Frenette
- Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Albert Einstein College of Medicine, Bronx, New York, NY, USA. .,Department of Cell Biology, Albert Einstein College of Medicine, Bronx, New York, NY, USA. .,Department of Medicine, Albert Einstein College of Medicine, Bronx, New York, NY, USA.
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49
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Wakahashi K, Katayama Y. Bone: a key aspect to understand phenomena in clinical hematology. J Bone Miner Metab 2020; 38:145-150. [PMID: 31897749 DOI: 10.1007/s00774-019-01075-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Accepted: 12/12/2019] [Indexed: 01/22/2023]
Abstract
The bone marrow (BM) is located inside the bone. Now, it appears that bone tissue functionally communicates with the BM hematopoietic system. Osteoblast lineage cells serve as a part of the microenvironment for immature hematopoietic (stem/progenitor) cells. In contrast, mature hematopoietic cells such as neutrophils and macrophages play a critical role to regulate osteoblast activity. A progressive distortion of this precise inter-organ communication between hematopoietic and skeletal systems may lead to hematologic disorders. Recent studies have revealed that vitamin D receptor is a pivotal bridging molecule for this network and for the pathogenesis of myelofibrosis.
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Affiliation(s)
- Kanako Wakahashi
- Hematology, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan
| | - Yoshio Katayama
- Hematology, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan.
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50
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Cardoso BA. The Bone Marrow Niche - The Tumor Microenvironment That Ensures Leukemia Progression. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1219:259-293. [PMID: 32130704 DOI: 10.1007/978-3-030-34025-4_14] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
The human body requires a constant delivery of fresh blood cells that are needed to maintain body homeostasis. Hematopoiesis is the process that drives the formation of new blood cells from a single stem cell. This is a complex, orchestrated and tightly regulated process that occurs within the bone marrow. When such process is faulty or deregulated, leukemia arises, develops and thrives by subverting normal hematopoiesis and availing the supplies of this rich milieu.In this book chapter we will describe and characterize the bone marrow microenvironment and its key importance for leukemia expansion. The several components of the bone marrow niche, their interaction with the leukemic cells and the cellular pathways activated within the malignant cells will be emphasized. Finally, novel therapeutic strategies to target this sibling interaction will also be discussed.
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Affiliation(s)
- Bruno António Cardoso
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina da Universidade de Lisboa, Lisbon, Portugal.
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