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Fibroblast Growth Factors and Cellular Communication Network Factors: Intimate Interplay by the Founding Members in Cartilage. Int J Mol Sci 2022; 23:ijms23158592. [PMID: 35955724 PMCID: PMC9369280 DOI: 10.3390/ijms23158592] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 07/28/2022] [Accepted: 07/28/2022] [Indexed: 02/04/2023] Open
Abstract
Fibroblast growth factors (FGFs) constitute a large family of signaling molecules that act in an autocrine/paracrine, endocrine, or intracrine manner, whereas the cellular communication network factors (CCN) family is composed of six members that manipulate extracellular signaling networks. FGFs and CCNs are structurally and functionally distinct, except for the common characteristics as matricellular proteins. Both play significant roles in the development of a variety of tissues and organs, including the skeletal system. In vertebrates, most of the skeletal parts are formed and grow through a process designated endochondral ossification, in which chondrocytes play the central role. The growth plate cartilage is the place where endochondral ossification occurs, and articular cartilage is left to support the locomotive function of joints. Several FGFs, including FGF-2, one of the founding members of this family, and all of the CCNs represented by CCN2, which is required for proper skeletal development, can be found therein. Research over a decade has revealed direct binding of CCN2 to FGFs and FGF receptors (FGFRs), which occasionally affect the biological outcome via FGF signaling. Moreover, a recent study uncovered an integrated regulation of FGF and CCN genes by FGF signaling. In this review, after a brief introduction of these two families, molecular and genetic interactions between CCN and FGF family members in cartilage, and their biological effects, are summarized. The molecular interplay represents the mutual involvement of the other in their molecular functions, leading to collaboration between CCN2 and FGFs during skeletal development.
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Krenn PW, Montanez E, Costell M, Fässler R. Integrins, anchors and signal transducers of hematopoietic stem cells during development and in adulthood. Curr Top Dev Biol 2022; 149:203-261. [PMID: 35606057 DOI: 10.1016/bs.ctdb.2022.02.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Hematopoietic stem cells (HSCs), the apex of the hierarchically organized blood cell production system, are generated in the yolk sac, aorta-gonad-mesonephros region and placenta of the developing embryo. To maintain life-long hematopoiesis, HSCs emigrate from their site of origin and seed in distinct microenvironments, called niches, of fetal liver and bone marrow where they receive supportive signals for self-renewal, expansion and production of hematopoietic progenitor cells (HPCs), which in turn orchestrate the production of the hematopoietic effector cells. The interactions of hematopoietic stem and progenitor cells (HSPCs) with niche components are to a large part mediated by the integrin superfamily of adhesion molecules. Here, we summarize the current knowledge regarding the functional properties of integrins and their activators, Talin-1 and Kindlin-3, for HSPC generation, function and fate decisions during development and in adulthood. In addition, we discuss integrin-mediated mechanosensing for HSC-niche interactions, ex vivo protocols aimed at expanding HSCs for therapeutic use, and recent approaches targeting the integrin-mediated adhesion in leukemia-inducing HSCs in their protecting, malignant niches.
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Affiliation(s)
- Peter W Krenn
- Department of Molecular Medicine, Max Planck Institute of Biochemistry, Martinsried, Germany; Department of Biosciences and Medical Biology, Cancer Cluster Salzburg, Paris-Lodron University of Salzburg, Salzburg, Austria.
| | - Eloi Montanez
- Department of Physiological Sciences, Faculty of Medicine and Health Sciences, University of Barcelona and Bellvitge Biomedical Research Institute, L'Hospitalet del Llobregat, Barcelona, Spain
| | - Mercedes Costell
- Departamento de Bioquímica y Biología Molecular, Facultad de Ciencias Biológicas, Universitat de València, Burjassot, Spain; Institut Universitari de Biotecnologia i Biomedicina, Universitat de València, Burjassot, Spain
| | - Reinhard Fässler
- Department of Molecular Medicine, Max Planck Institute of Biochemistry, Martinsried, Germany
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Kubota S, Kawata K, Hattori T, Nishida T. Molecular and Genetic Interactions between CCN2 and CCN3 behind Their Yin-Yang Collaboration. Int J Mol Sci 2022; 23:ijms23115887. [PMID: 35682564 PMCID: PMC9180607 DOI: 10.3390/ijms23115887] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 05/19/2022] [Accepted: 05/19/2022] [Indexed: 12/15/2022] Open
Abstract
Cellular communication network factor (CCN) 2 and 3 are the members of the CCN family that conduct the harmonized development of a variety of tissues and organs under interaction with multiple biomolecules in the microenvironment. Despite their striking structural similarities, these two members show contrastive molecular functions as well as temporospatial emergence in living tissues. Typically, CCN2 promotes cell growth, whereas CCN3 restrains it. Where CCN2 is produced, CCN3 disappears. Nevertheless, these two proteins collaborate together to execute their mission in a yin–yang fashion. The apparent functional counteractions of CCN2 and CCN3 can be ascribed to their direct molecular interaction and interference over the cofactors that are shared by the two. Recent studies have revealed the mutual negative regulation systems between CCN2 and CCN3. Moreover, the simultaneous and bidirectional regulatory system of CCN2 and CCN3 is also being clarified. It is of particular note that these regulations were found to be closely associated with glycolysis, a fundamental procedure of energy metabolism. Here, the molecular interplay and metabolic gene regulation that enable the yin–yang collaboration of CCN2 and CCN3 typically found in cartilage development/regeneration and fibrosis are described.
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Luo X, Geng D, Zhang Q, Ye T, Zhang Y, Li Z, Huang Y, Xiang Q. Recombinant expression a novel fibronectin-collage fusion peptide modulating stem cell stemness via integrin β3. Appl Microbiol Biotechnol 2022; 106:3765-3776. [PMID: 35590080 PMCID: PMC9151557 DOI: 10.1007/s00253-022-11965-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 05/04/2022] [Accepted: 05/07/2022] [Indexed: 11/29/2022]
Abstract
Abstract Constructing bionic extracellular matrix (ECM) is an attractive proposition for tissue engineering and clinical regeneration therapy involving the stemness of stem cells. Here, a novel recombinant protein fibronectin-collagen peptide (FCP) was designed to modulate the function of ECM expressed by Picha. pastoris strain X33. This FCP promotes cell migration and adhesion and maintains rBMSC stemness by binding integrin β3. Its effects were blocked by both integrin β3 siRNA and the integrin β3 inhibitor Cilengitide. A template-independent ab initio prediction modeling approach is the best approach to construct a stable FCP protein model, which predicts the binding sites between FCP and integrin β3. FCP may be used in the in vitro culture and clinical regeneration of stem cells that highly express integrin β3, such as hematopoietic stem cells. The study provides information on the molecular structure of FCP and its bioactivity, which can be used to design new compounds. Key points • Design a novel recombinant fibronectin-collagen peptide biomimetic ECM. • FCP promotes cell adhesion, migration, and proliferation. • Predicted and verified FCP structure and affinity with integrin β3. • FCP binds integrin β3 to maintain rBMSC stemness. Supplementary Information The online version contains supplementary material available at 10.1007/s00253-022-11965-4.
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Affiliation(s)
- Xin Luo
- Institute of Biomedicine and Guangdong Provincial Key Laboratory of Bioengineering Medicine, Jinan University, Guangzhou, 510632, China
| | - Dezhi Geng
- Institute of Biomedicine and Guangdong Provincial Key Laboratory of Bioengineering Medicine, Jinan University, Guangzhou, 510632, China
| | - Qirong Zhang
- Institute of Biomedicine and Guangdong Provincial Key Laboratory of Bioengineering Medicine, Jinan University, Guangzhou, 510632, China
| | - Tao Ye
- Biopharmaceutical R&D Center of Jinan University, Guangzhou, China
| | - Yifan Zhang
- Biopharmaceutical R&D Center of Jinan University, Guangzhou, China
| | - Ziyi Li
- Biopharmaceutical R&D Center of Jinan University, Guangzhou, China
| | - Yadong Huang
- Institute of Biomedicine and Guangdong Provincial Key Laboratory of Bioengineering Medicine, Jinan University, Guangzhou, 510632, China
- Biopharmaceutical R&D Center of Jinan University, Guangzhou, China
| | - Qi Xiang
- Institute of Biomedicine and Guangdong Provincial Key Laboratory of Bioengineering Medicine, Jinan University, Guangzhou, 510632, China.
- Biopharmaceutical R&D Center of Jinan University, Guangzhou, China.
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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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Mizukawa T, Nishida T, Akashi S, Kawata K, Kikuchi S, Kawaki H, Takigawa M, Kamioka H, Kubota S. RFX1-mediated CCN3 induction that may support chondrocyte survival under starved conditions. J Cell Physiol 2021; 236:6884-6896. [PMID: 33655492 DOI: 10.1002/jcp.30348] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 02/12/2021] [Accepted: 02/16/2021] [Indexed: 02/06/2023]
Abstract
Cellular communication network factor (CCN) family members are multifunctional matricellular proteins that manipulate and integrate extracellular signals. In our previous studies investigating the role of CCN family members in cellular metabolism, we found three members that might be under the regulation of energy metabolism. In this study, we confirmed that CCN2 and CCN3 are the only members that are tightly regulated by glycolysis in human chondrocytic cells. Interestingly, CCN3 was induced under a variety of impaired glycolytic conditions. This CCN3 induction was also observed in two breast cancer cell lines with a distinct phenotype, suggesting a basic role of CCN3 in cellular metabolism. Reporter gene assays indicated a transcriptional regulation mediated by an enhancer in the proximal promoter region. As a result of analyses in silico, we specified regulatory factor binding to the X-box 1 (RFX1) as a candidate that mediated the transcriptional activation by impaired glycolysis. Indeed, the inhibition of glycolysis induced the expression of RFX1, and RFX1 silencing nullified the CCN3 induction by impaired glycolysis. Subsequent experiments with an anti-CCN3 antibody indicated that CCN3 supported the survival of chondrocytes under impaired glycolysis. Consistent with these findings in vitro, abundant CCN3 production by chondrocytes in the deep zones of developing epiphysial cartilage, which are located far away from the synovial fluid, was confirmed in vivo. Our present study uncovered that RFX1 is the mediator that enables CCN3 induction upon cellular starvation, which may eventually assist chondrocytes in retaining their viability, even when there is an energy supply shortage.
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Affiliation(s)
- Tomomi Mizukawa
- Department of Biochemistry and Molecular Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
- Department of Orthodontics, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Takashi Nishida
- Department of Biochemistry and Molecular Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
- Advanced Research Center for Oral and Craniofacial Sciences, Okayama University Dental School, Okayama, Japan
| | - Sho Akashi
- Department of Biochemistry and Molecular Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
- Department of Oral and Maxillofacial Reconstructive Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Kazumi Kawata
- Department of Biochemistry and Molecular Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Sumire Kikuchi
- Department of Biochemistry and Molecular Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Harumi Kawaki
- Department of Biochemistry and Molecular Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
- Department of Oral Biochemistry, Asahi University School of Dentistry, Mizuho, Japan
| | - Masaharu Takigawa
- Advanced Research Center for Oral and Craniofacial Sciences, Okayama University Dental School, Okayama, Japan
| | - Hiroshi Kamioka
- Department of Orthodontics, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Satoshi Kubota
- Department of Biochemistry and Molecular Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
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Leguit RJ, Raymakers RAP, Hebeda KM, Goldschmeding R. CCN2 (Cellular Communication Network factor 2) in the bone marrow microenvironment, normal and malignant hematopoiesis. J Cell Commun Signal 2021; 15:25-56. [PMID: 33428075 PMCID: PMC7798015 DOI: 10.1007/s12079-020-00602-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2020] [Accepted: 12/20/2020] [Indexed: 02/06/2023] Open
Abstract
CCN2, formerly termed Connective Tissue Growth Factor, is a protein belonging to the Cellular Communication Network (CCN)-family of secreted extracellular matrix-associated proteins. As a matricellular protein it is mainly considered to be active as a modifier of signaling activity of several different signaling pathways and as an orchestrator of their cross-talk. Furthermore, CCN2 and its fragments have been implicated in the regulation of a multitude of biological processes, including cell proliferation, differentiation, adhesion, migration, cell survival, apoptosis and the production of extracellular matrix products, as well as in more complex processes such as embryonic development, angiogenesis, chondrogenesis, osteogenesis, fibrosis, mechanotransduction and inflammation. Its function is complex and context dependent, depending on cell type, state of differentiation and microenvironmental context. CCN2 plays a role in many diseases, especially those associated with fibrosis, but has also been implicated in many different forms of cancer. In the bone marrow (BM), CCN2 is highly expressed in mesenchymal stem/stromal cells (MSCs). CCN2 is important for MSC function, supporting its proliferation, migration and differentiation. In addition, stromal CCN2 supports the maintenance and longtime survival of hematopoietic stem cells, and in the presence of interleukin 7, stimulates the differentiation of pro-B lymphocytes into pre-B lymphocytes. Overexpression of CCN2 is seen in the majority of B-acute lymphoblastic leukemias, especially in certain cytogenetic subgroups associated with poor outcome. In acute myeloid leukemia, CCN2 expression is increased in MSCs, which has been associated with leukemic engraftment in vivo. In this review, the complex function of CCN2 in the BM microenvironment and in normal as well as malignant hematopoiesis is discussed. In addition, an overview is given of data on the remaining CCN family members regarding normal and malignant hematopoiesis, having many similarities and some differences in their function.
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Affiliation(s)
- Roos J Leguit
- Department of Pathology, University Medical Center Utrecht, H04-312, P.O. Box 85500, 3508 GA, Utrecht, The Netherlands.
| | - Reinier A P Raymakers
- Department of Hematology, UMCU Cancer Center, Heidelberglaan 100 B02.226, 3584 CX, Utrecht, The Netherlands
| | - Konnie M Hebeda
- Department of Pathology, Radboud University Medical Centre, P.O. Box 9101, 6500 HB, Nijmegen, The Netherlands
| | - Roel Goldschmeding
- Department of Pathology, University Medical Centre Utrecht, P.O. Box 85500, 3508 GA, Utrecht, The Netherlands
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Gupta R, Turati V, Brian D, Thrussel C, Wilbourn B, May G, Enver T. Nov/CCN3 Enhances Cord Blood Engraftment by Rapidly Recruiting Latent Human Stem Cell Activity. Cell Stem Cell 2020; 26:527-541.e8. [PMID: 32197066 PMCID: PMC7118368 DOI: 10.1016/j.stem.2020.02.012] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 01/04/2020] [Accepted: 02/19/2020] [Indexed: 01/13/2023]
Abstract
Umbilical cord blood (UCB) has had considerable impact in pediatric stem cell transplantation, but its wider use is limited in part by unit size. Long-term ex vivo culture offers one approach to increase engraftment capacity by seeking to expand stem and progenitor cells. Here, we show brief incubation (8 h) of UCB CD34+ cells with the matricellular regulator Nov (CCN3) increases the frequency of serially transplantable hematopoietic stem cells (HSCs) 6-fold. This rapid response suggests recruitment rather than expansion of stem cells; accordingly, in single-cell assays, Nov increases the clonogenicity of phenotypic HSCs without increasing their number through cell division. Recruitment is associated with both metabolic and transcriptional changes, and tracing of cell divisions demonstrates that the increased clonogenic activity resides within the undivided fraction of cells. Harnessing latent stem cell potential through recruitment-based approaches will inform understanding of stem cell state transitions with implications for translation to the clinic. NOV rapidly increases the number of functional HSCs in a single cord blood unit This is by direct recruitment without expansion or self-renewal ex vivo NOV reduces C-MYC and ROS but increases glycolytic enzymes in HSCs Manipulating non-dividing stem cells can alter their state and functional potential
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Affiliation(s)
- Rajeev Gupta
- Stem Cell Group, UCL Cancer Institute, University College London, London WC1E 6BT, UK; Manual Blood Sciences, Health Services Laboratories, The Halo Building, 1 Mabledon Place, London WC1H 9AX, UK
| | - Virginia Turati
- Stem Cell Group, UCL Cancer Institute, University College London, London WC1E 6BT, UK
| | - Duncan Brian
- Stem Cell Group, UCL Cancer Institute, University College London, London WC1E 6BT, UK
| | - Craig Thrussel
- Stem Cell Group, UCL Cancer Institute, University College London, London WC1E 6BT, UK
| | - Barry Wilbourn
- Flow Cytometry Core Facility, UCL Cancer Institute, University College London, London WC1E 6BT, UK
| | - Gillian May
- Stem Cell Group, UCL Cancer Institute, University College London, London WC1E 6BT, UK
| | - Tariq Enver
- Stem Cell Group, UCL Cancer Institute, University College London, London WC1E 6BT, UK.
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9
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Leimkühler NB, Schneider RK. Inflammatory bone marrow microenvironment. HEMATOLOGY. AMERICAN SOCIETY OF HEMATOLOGY. EDUCATION PROGRAM 2019; 2019:294-302. [PMID: 31808897 PMCID: PMC6913454 DOI: 10.1182/hematology.2019000045] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Self-renewing hematopoietic stem cells and their progeny, lineage-specific downstream progenitors, maintain steady-state hematopoiesis in the bone marrow (BM). Accumulating evidence over the last few years indicates that not only primitive hematopoietic stem and progenitor cells (HSPCs), but also cells defining the microenvironment of the BM (BM niche), sense hematopoietic stress signals. They respond by directing and orchestrating hematopoiesis via not only cell-intrinsic but also cell-extrinsic mechanisms. Inflammation has many beneficial roles by activating the immune system in tissue repair and as a defense mechanism. However, chronic inflammation can have detrimental effects by stressing HSPCs, leading to cell (DNA) damage resulting in BM failure or even to leukemia. Emerging data have demonstrated that the BM microenvironment plays a significant role in the pathogenesis of hematopoietic malignancies, in particular, through disrupted inflammatory signaling, specifically in niche (microenvironmental) cells. Clonal selection in the context of microenvironmental alterations can occur in the context of toxic insults (eg, chemotherapy), not only aging but also inflammation. In this review, we summarize mechanisms that lead to an inflammatory BM microenvironment and discuss how this affects normal hematopoiesis. We pay particular attention to the process of aging, which is known to involve low-grade inflammation and is also associated with age-related clonal hematopoiesis and potentially malignant transformation.
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Affiliation(s)
- Nils B Leimkühler
- Department of Hematology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - Rebekka K Schneider
- Department of Hematology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
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The Structure of the Periostin Gene, Its Transcriptional Control and Alternative Splicing, and Protein Expression. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1132:7-20. [PMID: 31037620 DOI: 10.1007/978-981-13-6657-4_2] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Although many studies have described the role of periostin in various diseases, the functions of periostin derived from alternative splicing and proteinase cleavage at its C-terminus remain unknown. Further experiments investigating the periostin structures that are relevant to diseases are essential for an in-depth understanding of their functions, which would accelerate their clinical applications by establishing new approaches for curing intractable diseases. Furthermore, this understanding would enhance our knowledge of novel functions of periostin related to stemness and response to mechanical stress .
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Abstract
Purpose of Review Interferon-gamma (IFN-γ) is a pro-inflammatory cytokine that participates in the regulation of hematopoietic stem cells (HSC) during development and under homeostatic conditions. IFN-γ also plays a key pathogenic role in several diseases that affect hematopoiesis including aplastic anemia, hemophagocytic lymphohistiocytosis, and cirrhosis of the liver. Recent Findings Studies have shown that increased IFN-γ negatively affects HSC homeostasis, skewing HSC towards differentiation over self-renewal and eventually causing exhaustion of the HSC compartment. Summary Here, we explore the mechanisms by which IFN-γ regulates HSC in both normal and pathological conditions. We focus on the role of IFN-γ signaling in HSC fate decisions, and the transcriptional changes it elicits. Elucidating the mechanisms through which IFN-γ regulates HSCs may lead to new therapeutic options to prevent or treat adverse hematologic effects of the many diseases to which IFN-γ contributes.
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The Regulatory Role of IFN-γ on the Proliferation and Differentiation of Hematopoietic Stem and Progenitor Cells. Stem Cell Rev Rep 2018; 13:705-712. [PMID: 28852997 DOI: 10.1007/s12015-017-9761-1] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The replenishment of all blood cell lineages is hierarchically organized by the process of hematopoiesis, which is based on the differentiation pathways of hematopoietic stem and progenitor cells (HSPCs). Due to the ability to balance between self-renewal and differentiation, hematopoietic stem cells (HSCs) can generate the appropriate cell type that is required by the immune system and peripheral blood in response to physiological or pathological conditions. Numerous studies have shown that some proinflammatory cytokines contribute to the regulation of the various hematopoietic compartments. Of these, IFN-γ is a type II interferon primarily produced by T cells and natural killer cells, and plays a major role in the defense against invading pathogens and transformed cancer cells; moreover, a growing amount of research indicates that it exerts negative or positive regulatory effect on hematopoiesis. Although IFN-γ is a widely regarded negative regulator of HSC proliferation, it also participates in some chronic infections or hematological malignancies that induce bone marrow failure. Recent studies have demonstrated unexpected effects of IFN-γ, including the promotion of HSC formation and the stimulation of myelopoiesis. Here, we review the direct and indirect effects of IFN-γ on hematopoiesis, as well as the underlying signaling mechanisms of how IFN-γ modulates the self-renewal, cell cycle entry, and proliferation of HSCs. Next, we describe how IFN-γ affects different stages of the lineage differentiation from HSCs. Finally, we discuss the relationship between IFN-γ and compensatory extramedullary hematopoiesis, as well as some related clinical diseases.
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13
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Graubner FR, Gram A, Kautz E, Bauersachs S, Aslan S, Agaoglu AR, Boos A, Kowalewski MP. Uterine responses to early pre-attachment embryos in the domestic dog and comparisons with other domestic animal species. Biol Reprod 2018. [PMID: 28651344 PMCID: PMC5803782 DOI: 10.1093/biolre/iox063] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
In the dog, there is no luteolysis in the absence of pregnancy. Thus, this species lacks any anti-luteolytic endocrine signal as found in other species that modulate uterine function during the critical period of pregnancy establishment. Nevertheless, in the dog an embryo-maternal communication must occur in order to prevent rejection of embryos. Based on this hypothesis, we performed microarray analysis of canine uterine samples collected during pre-attachment phase (days 10-12) and in corresponding non-pregnant controls, in order to elucidate the embryo attachment signal. An additional goal was to identify differences in uterine responses to pre-attachment embryos between dogs and other mammalian species exhibiting different reproductive patterns with regard to luteolysis, implantation, and preparation for placentation. Therefore, the canine microarray data were compared with gene sets from pigs, cattle, horses, and humans. We found 412 genes differentially regulated between the two experimental groups. The functional terms most strongly enriched in response to pre-attachment embryos related to extracellular matrix function and remodeling, and to immune and inflammatory responses. Several candidate genes were validated by semi-quantitative PCR. When compared with other species, best matches were found with human and equine counterparts. Especially for the pig, the majority of overlapping genes showed opposite expression patterns. Interestingly, 1926 genes did not pair with any of the other gene sets. Using a microarray approach, we report the uterine changes in the dog driven by the presence of embryos and compare these results with datasets from other mammalian species, finding common-, contrary-, and exclusively canine-regulated genes.
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Affiliation(s)
- Felix R Graubner
- Institute of Veterinary Anatomy, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
| | - Aykut Gram
- Institute of Veterinary Anatomy, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
| | - Ewa Kautz
- Institute of Veterinary Anatomy, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
| | - Stefan Bauersachs
- Institute of Agricultural Sciences, Animal Physiology, Swiss Federal Institute of Technology (ETH) Zurich, Zurich, Switzerland
| | - Selim Aslan
- Department of Obstetrics and Gynecology, Faculty of Veterinary Medicine, Near East University, Nicosia, North Cyprus
| | - Ali R Agaoglu
- Department of Obstetrics and Gynecology, Faculty of Veterinary Medicine, Mehmet Akif Ersoy University, Burdur, Turkey
| | - Alois Boos
- Institute of Veterinary Anatomy, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
| | - Mariusz P Kowalewski
- Institute of Veterinary Anatomy, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
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14
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Kudo A. Introductory review: periostin-gene and protein structure. Cell Mol Life Sci 2017; 74:4259-4268. [PMID: 28884327 PMCID: PMC11107487 DOI: 10.1007/s00018-017-2643-5] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Accepted: 09/04/2017] [Indexed: 01/08/2023]
Abstract
Although many studies have described the role of periostin in various diseases, the function of the periostin protein structures derived from alternative splicing and proteinase cleavage at the C-terminal remain unknown. Further experiments revealing the protein structures that are highly related to diseases are essential to understand the function of periostin in depth, which would accelerate its clinical application by establishing new approaches for curing intractable diseases. Furthermore, this understanding would enhance our knowledge of novel functions of periostin related to stemness and response to mechanical stress.
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Affiliation(s)
- Akira Kudo
- International Frontier, Tokyo Institute of Technology, S3-8, 2-12-1 Oookayama, Meguro-ku, Tokyo, 152-8550, Japan.
- Department of Pharmacology, School of Dentistry, Showa University, Tokyo, 142-8555, Japan.
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15
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Kudo A, Kii I. Periostin function in communication with extracellular matrices. J Cell Commun Signal 2017; 12:301-308. [PMID: 29086200 DOI: 10.1007/s12079-017-0422-6] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Accepted: 10/13/2017] [Indexed: 12/24/2022] Open
Abstract
Periostin is a secretory protein with a multi-domain structure, comprising an amino-terminal cysteine-rich EMI domain, four internal FAS 1 domains, and a carboxyl-terminal hydrophilic domain. These adjacent domains bind to extracellular matrix proteins (type I collagen, fibronectin, tenascin-C, and laminin γ2), and BMP-1 that catalyzes crosslinking of type I collagen, and proteoglycans, which play a role in cell adhesion. The binding sites on periostin have been demonstrated to contribute to the mechanical strength of connective tissues, enhancing intermolecular interactions in close proximity and their assembly into extracellular matrix architectures, where periostin plays further essential roles in physiological maintenance and pathological progression. Furthermore, periostin also binds to Notch 1 and CCN3, which have functions in maintenance of stemness, thus opening up a new field of periostin action.
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Affiliation(s)
- Akira Kudo
- International Frontier, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo, 152-8550, Japan. .,Showa University, Tokyo, 142-8555, Japan.
| | - Isao Kii
- Common Facilities Unit, Integrated Research Group, Compass to Healthy Life Research Complex Program, RIKEN Cluster for Science and Technology Hub, 6-7-3 Minatojima-minamimachi, Chūō-ku, Kobe, Hyogo, 650-0047, Japan.,Pathophysiological and Health Science Team, Imaging Platform and Innovation Group, Division of Bio-Function Dynamics Imaging, RIKEN Center for Life Science Technologies, Kobe, 650-0047, Japan
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16
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Umemoto T, Matsuzaki Y, Shiratsuchi Y, Hashimoto M, Yoshimoto T, Nakamura-Ishizu A, Petrich B, Yamato M, Suda T. Integrin αvβ3 enhances the suppressive effect of interferon-γ on hematopoietic stem cells. EMBO J 2017; 36:2390-2403. [PMID: 28673932 DOI: 10.15252/embj.201796771] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Revised: 05/17/2017] [Accepted: 05/30/2017] [Indexed: 12/19/2022] Open
Abstract
Hematopoietic homeostasis depends on the maintenance of hematopoietic stem cells (HSCs), which are regulated within a specialized bone marrow (BM) niche. When HSC sense external stimuli, their adhesion status may be critical for determining HSC cell fate. The cell surface molecule, integrin αvβ3, is activated through HSC adhesion to extracellular matrix and niche cells. Integrin β3 signaling maintains HSCs within the niche. Here, we showed the synergistic negative regulation of the pro-inflammatory cytokine interferon-γ (IFNγ) and β3 integrin signaling in murine HSC function by a novel definitive phenotyping of HSCs. Integrin αvβ3 suppressed HSC function in the presence of IFNγ and impaired integrin β3 signaling mitigated IFNγ-dependent negative action on HSCs. During IFNγ stimulation, integrin β3 signaling enhanced STAT1-mediated gene expression via serine phosphorylation. These findings show that integrin β3 signaling intensifies the suppressive effect of IFNγ on HSCs, which indicates that cell adhesion via integrin αvβ3 within the BM niche acts as a context-dependent signal modulator to regulate the HSC function under both steady-state and inflammatory conditions.
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Affiliation(s)
- Terumasa Umemoto
- International Research Center for Medical Science, Kumamoto University, Kumamoto, Japan
| | - Yu Matsuzaki
- International Research Center for Medical Science, Kumamoto University, Kumamoto, Japan
| | - Yoshiko Shiratsuchi
- Institute of Advanced Medical Bioscience and Engineering, Tokyo Women's Medical University, Tokyo, Japan
| | - Michihiro Hashimoto
- International Research Center for Medical Science, Kumamoto University, Kumamoto, Japan
| | - Takayuki Yoshimoto
- Department of Immunoregulation, Institute of Medical Science, Tokyo Medical University, Tokyo, Japan
| | - Ayako Nakamura-Ishizu
- Cancer Science Institute of Singapore, National University of Singapore, Singapore City, Singapore
| | - Brian Petrich
- Department of Pediatrics and Aflac Cancer and Blood Disorders Center, Emory University School of Medicine, Atlanta, GA, USA
| | - Masayuki Yamato
- Institute of Advanced Medical Bioscience and Engineering, Tokyo Women's Medical University, Tokyo, Japan
| | - Toshio Suda
- International Research Center for Medical Science, Kumamoto University, Kumamoto, Japan .,Cancer Science Institute of Singapore, National University of Singapore, Singapore City, Singapore
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17
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Khurana S, Schouteden S, Manesia JK, Santamaria-Martínez A, Huelsken J, Lacy-Hulbert A, Verfaillie CM. Outside-in integrin signalling regulates haematopoietic stem cell function via Periostin-Itgav axis. Nat Commun 2016; 7:13500. [PMID: 27905395 PMCID: PMC5146274 DOI: 10.1038/ncomms13500] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2015] [Accepted: 10/11/2016] [Indexed: 01/08/2023] Open
Abstract
Integrins play an important role in haematopoietic stem cell (HSC) maintenance in the bone marrow niche. Here, we demonstrate that Periostin (Postn) via interaction with Integrin-αv (Itgav) regulates HSC proliferation. Systemic deletion of Postn results in peripheral blood (PB) anaemia, myelomonocytosis and lymphopenia, while the number of phenotypic HSCs increases in the bone marrow. Postn−/− mice recover faster from radiation injury with concomitant loss of primitive HSCs. HSCs from Postn−/− mice show accumulation of DNA damage generally associated with aged HSCs. Itgav deletion in the haematopoietic system leads to a similar PB phenotype and HSC-intrinsic repopulation defects. Unaffected by Postn, Vav-Itgav−/− HSCs proliferate faster in vitro, illustrating the importance of Postn-Itgav interaction. Finally, the Postn-Itgav interaction inhibits the FAK/PI3K/AKT pathway in HSCs, leading to increase in p27Kip1 expression resulting in improved maintenance of quiescent HSCs. Together, we demonstrate a role for Itgav-mediated outside-in signalling in regulation of HSC proliferation and stemness. Integrins regulate haematopoietic stem cell (HSC) homeostasis and engraftment into the bone marrow (BM) niche upon transplantation. Here, the authors show that HSC quiescence and function in the BM is regulated by the interaction of PERIOSTIN and INTEGRIN αv and subsequent increase in p27Kip1.
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Affiliation(s)
- Satish Khurana
- Inter-departmental Stem Cell Institute, KU Leuven, 3000 Leuven, Belgium
| | - Sarah Schouteden
- Inter-departmental Stem Cell Institute, KU Leuven, 3000 Leuven, Belgium
| | - Javed K Manesia
- Inter-departmental Stem Cell Institute, KU Leuven, 3000 Leuven, Belgium
| | | | - Joerg Huelsken
- École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Adam Lacy-Hulbert
- Benaroya Research Institute at Virginia Mason, Seattle, WA 98101, USA
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18
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Emre Y, Imhof BA. Aortic aneurysm, CCN3 may solve the problem. J Thorac Dis 2016; 8:E1025-E1027. [PMID: 27747053 DOI: 10.21037/jtd.2016.08.15] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Yalin Emre
- Department of Pathology and Immunology, University of Geneva, 1205 Geneva, Switzerland
| | - Beat A Imhof
- Department of Pathology and Immunology, University of Geneva, 1205 Geneva, Switzerland
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19
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Separation and Enrichment of Hematopoietic Stem Cells for CCN Studies. Methods Mol Biol 2016. [PMID: 27734383 DOI: 10.1007/978-1-4939-6430-7_24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
Abstract
The regulation of blood cell production (hematopoiesis) by CCN proteins is an area of increasing interest to hematologists. There is some discordance in the literature in this area due to the use of mixed or ill-defined cell populations for experiments. Expression of, and response to, CCN proteins is specific to both cell type and differentiation status. Here, we describe methods to prepare defined hematopoietic cell populations and associated functional assays.
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20
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Crawford LJ, Irvine AE. The role of the CCN family of proteins in blood cancers. J Cell Commun Signal 2016; 10:197-205. [PMID: 27485291 PMCID: PMC5055499 DOI: 10.1007/s12079-016-0342-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2016] [Accepted: 07/27/2016] [Indexed: 01/19/2023] Open
Abstract
Haematopoiesis is the term used to describe the production of blood cells. This is a tightly regulated hierarchical system in which mature circulating blood cells develop from a small population of haematopoietic stem (HSC) and progenitor cells within the microenvironment of the bone marrow. Molecular and genetic abnormalities arising in these stem cells lead to a block in the normal programme of proliferation and differentiation and result in the development of the blood cancers known as the leukaemias and lymphomas. Recently the regulatory role of the bone marrow microenvironment or niche has also become increasingly recognised. The interface between the bone and bone marrow (endosteum) and the region surrounding the blood vessels (perivascular) provide distinct niches harbouring quiescent HSC or proliferative HSC respectively. Current chemotherapeutic regimes can often successfully target the proliferative HSC but disease relapse occurs due to residual quiescent HSC. Understanding these developmental and regulatory processes and the associated cell communication mechanisms are thus crucial to the development of new treatment strategies. The CCN family of proteins have been recognised to play a key role in all aspects of haematopoiesis.
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Affiliation(s)
- Lisa Judith Crawford
- Haematology Research Unit, Centre for Cancer Research and Cell Biology, Queen's University Belfast, Room OG/013, Belfast, BT9 7BL, Northern, Ireland
| | - Alexandra Elizabeth Irvine
- Haematology Research Unit, Centre for Cancer Research and Cell Biology, Queen's University Belfast, Room OG/013, Belfast, BT9 7BL, Northern, Ireland.
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21
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Abstract
Stem cells hold great promise in treating many diseases either through promoting endogenous cell repair or through direct cell transplants. In order to maximize their potential, understanding the fundamental signals and mechanisms that regulate their behavior is essential. The extracellular matrix (ECM) is one such component involved in mediating stem cell fate. Recent studies have made significant progress in understanding stem cell-ECM interactions. Technological developments have provided greater clarity in how cells may sense and respond to the ECM, in particular the physical properties of the matrix. This review summarizes recent developments, providing illustrative examples of the different modes with which the ECM controls both embryonic and adult stem cell behavior.
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22
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Li G, Liu X, Du Q, Gao M, An J. Three dimensional de novo micro bone marrow and its versatile application in drug screening and regenerative medicine. Exp Biol Med (Maywood) 2015; 240:1029-38. [PMID: 26283705 DOI: 10.1177/1535370215594583] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
The finding that bone marrow hosts several types of multipotent stem cell has prompted extensive research aimed at regenerating organs and building models to elucidate the mechanisms of diseases. Conventional research depends on the use of two-dimensional (2D) bone marrow systems, which imposes several obstacles. The development of 3D bone marrow systems with appropriate molecules and materials however, is now showing promising results. In this review, we discuss the advantages of 3D bone marrow systems over 2D systems and then point out various factors that can enhance the 3D systems. The intensive research on 3D bone marrow systems has revealed multiple important clinical applications including disease modeling, drug screening, regenerative medicine, etc. We also discuss some possible future directions in the 3D bone marrow research field.
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Affiliation(s)
- Guanqun Li
- Department of Pharmacology, State University of New York, Upstate Medical University, Syracuse, NY 13202, USA
| | - Xujun Liu
- Department of Pharmacology, State University of New York, Upstate Medical University, Syracuse, NY 13202, USA
| | - Qian Du
- Department of Neuroscience and Physiology, State University of New York, Upstate Medical University, Syracuse, NY 13202, USA
| | - Mei Gao
- Department of Pharmacology, State University of New York, Upstate Medical University, Syracuse, NY 13202, USA SUNY Upstate Cancer Research Institute, State University of New York, Upstate Medical University, Syracuse, NY 13202, USA
| | - Jing An
- Department of Pharmacology, State University of New York, Upstate Medical University, Syracuse, NY 13202, USA SUNY Upstate Cancer Research Institute, State University of New York, Upstate Medical University, Syracuse, NY 13202, USA
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23
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Piszczatowski RT, Rafferty BJ, Rozado A, Parziale JV, Lents NH. Myeloid Zinc Finger 1 (MZF-1) Regulates Expression of the CCN2/CTGF and CCN3/NOV Genes in the Hematopoietic Compartment. J Cell Physiol 2015; 230:2634-9. [PMID: 25899830 DOI: 10.1002/jcp.25021] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2015] [Accepted: 04/15/2015] [Indexed: 02/06/2023]
Abstract
Connective Tissue Growth Factor (CCN2/CTGF) and Nephroblastoma Overexpressed (CCN3/NOV) execute key functions within the hematopoietic compartment. Both are abundant in the bone marrow stroma, which is a niche for hematopoiesis and supports marrow function. Roles for 1,25-dihydroxyvitamin D3 (calcitriol) and all-trans retinoic acid in the bone marrow have also been elucidated. Interestingly, some of the annotated roles of these vitamins overlap with established functions of CCN2 and CCN3. Yet, no factor has been identified that unifies these observations. In this study, we report the regulation of the CTGF and NOV genes by Myeloid Zinc Finger-1 (MZF-1), a hematopoietic transcription factor. We show the interaction of MZF-1 with the CTGF and NOV promoters in several cell types. Up-regulation of MZF-1 via calcitriol and vitamin A induces expression of CTGF and NOV, implicating a role for these vitamins in the functions of these two genes. Lastly, knockdown of MZF1 reduces levels of CTGF and NOV. Collectively, our results argue that MZF-1 regulates the CTGF and NOV genes in the hematopoietic compartment, and may be involved in their respective functions in the stroma.
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Affiliation(s)
- Richard T Piszczatowski
- Department of Sciences, John Jay College, The City University of New York, New York.,Albert Einstein College of Medicine, Yeshiva University, New York, New York
| | - Brian J Rafferty
- Department of Science, Borough of Manhattan Community College, The City University of New York, New York
| | - Andre Rozado
- Department of Sciences, John Jay College, The City University of New York, New York
| | - James V Parziale
- Department of Sciences, John Jay College, The City University of New York, New York
| | - Nathan H Lents
- Department of Sciences, John Jay College, The City University of New York, New York
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24
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Yeger H. Come together, right now…. J Cell Commun Signal 2015. [PMID: 26208947 DOI: 10.1007/s12079-015-0301-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
Abstract
Editing the genome using approaches like TALEN and siRNA are already well tested. The new kid on the block is CRISPR-Cas9. CRISPR-Cas9 is rapidly evolving with impressive refinements for specificity, eliminating off-target effects, and versatility. One can adjust constructs and conditions to produce opposite effects on the genome and for a specific purpose. The nuances of the system, the means to significantly reduce off-targeting, and numerous applications are now emerging rapidly. This B&B commentary looks forward into how the CRISPR-Cas9 tool might serve the CCN field.
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Affiliation(s)
- Herman Yeger
- Program in Developmental & Stem Cell Biology, The Hospital for Sick Children, Toronto, ON, Canada.
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25
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Wells JE, Howlett M, Cheung LC, Kees UR. The role of CCN family genes in haematological malignancies. J Cell Commun Signal 2015; 9:267-78. [PMID: 26026820 DOI: 10.1007/s12079-015-0296-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2015] [Accepted: 05/19/2015] [Indexed: 12/12/2022] Open
Abstract
Haematological malignancies, although a broad range of specific disease types, continue to show considerable overlap in classification, and patients are treated using similar chemotherapy regimes. In this review we look at the role of the CCN family of matricellular proteins and indicate their role in nine haematological malignancies including both myeloid and lymphoid neoplasms. The potential for further haematological neoplasms with CCN family associations is argued by summarising the demonstrated role of CCN family genes in the differentiation of haematopoietic stem cells (HSC) and mesenchymal stem cells. The expanding field of knowledge encompassing CCN family genes and cancers of the HSC-lineage highlights the importance of extracellular matrix-interactions in both normal physiology and tumorigenesis of the blood, bone marrow and lymph nodes.
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Affiliation(s)
- J E Wells
- Telethon Kids Institute, The University of Western Australia, PO Box 855 West Perth, Perth, Western Australia, 6872, Australia
| | - M Howlett
- Telethon Kids Institute, The University of Western Australia, PO Box 855 West Perth, Perth, Western Australia, 6872, Australia
| | - L C Cheung
- Telethon Kids Institute, The University of Western Australia, PO Box 855 West Perth, Perth, Western Australia, 6872, Australia
| | - Ursula R Kees
- Telethon Kids Institute, The University of Western Australia, PO Box 855 West Perth, Perth, Western Australia, 6872, Australia.
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26
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Abstract
The proinflammatory cytokine interferon-γ (IFN-γ) is well known for its important role in innate and adaptive immunity against intracellular infections and for tumor control. Yet, it has become clear that IFN-γ also has a strong impact on bone marrow (BM) output during inflammation, as it affects the differentiation of most hematopoietic progenitor cells. Here, we review the impact of IFN-γ on hematopoiesis, including the function of hematopoietic stem cells (HSCs) and more downstream progenitors. We discuss which hematopoietic lineages are functionally modulated by IFN-γ and through which underlying molecular mechanism(s). We propose the novel concept that IFN-γ acts through upregulation of suppressor of cytokine signaling molecules, which impairs signaling of several cytokine receptors. IFN-γ has also gained clinical interest from different angles, and we discuss how chronic IFN-γ production can lead to the development of anemia and BM failure and how it is involved in malignant hematopoiesis. Overall, this review illustrates the wide-ranging effect of IFN-γ on the (patho-)physiological processes in the BM.
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