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Tian S, Li YL, Wang J, Dong RC, Wei J, Ma Y, Liu YQ. Chinese Ecliptae herba (Eclipta prostrata (L.) L.) extract and its component wedelolactone enhances osteoblastogenesis of bone marrow mesenchymal stem cells via targeting METTL3-mediated m6A RNA methylation. JOURNAL OF ETHNOPHARMACOLOGY 2023; 312:116433. [PMID: 37004744 DOI: 10.1016/j.jep.2023.116433] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 03/05/2023] [Accepted: 03/19/2023] [Indexed: 05/08/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Chinese Ecliptae herba (Eclipta prostrata (L.) L.) is an ethnomedicinal herb, which is used mainly to nourish kidney and thus strengthen bones according to traditional Chinese medicine theory. Pharmacological studies have supported the ethnomedicine use, showing that Ecliptae herba extract has an anti-osteoporotic effect in vivo and promoted osteoblast proliferation and activity in vitro. However, the molecular mechanism of Ecliptae herba on osteoblast differentiation from bone marrow mesenchymal stem cells (BMSC), the progenitors of osteoblasts, is still unclear. AIM OF THE STUDY N6-methyladenosine (m6A) mRNA epigenetic modification may play a key role in promoting osteoblastic differentiation, and thus treating osteoporosis. This study sought to assess the mechanism through which Eclipate herba and its component wedelolactone influence m6A modification during the process of osteoblastogenesis from BMSC. MATERIAL AND METHODS The alkaline phosphatase (ALP) and Alizarin red S (ARS) staining were applied to determine osteoblastogenesis from BMSC. Western blot and quantitative real-time PCR were performed. RNA sequencing analysis was used to determine the characteristics of m6A methylation. Stable knocking down of METTL3 using lentiviral-based shRNA was performed. RESULTS Upon 9 d treatment of BMSC with ethyl acetate extract of Ecliptae herba (MHL), ALP activity and ossification level increased in comparison with osteogenic medium (OS)-treated control. The expression of methyltransferase METTL3 and METTL14 was significantly increased, but WTAP expression had no change in response to MHL treatment. Knocking down of METTL3 resulted in a decrease in MHL-induced ALP activity, ossification level as well as mRNA expression of Osterix and Osteocalcin, two bone formation-related markers. The level of m6A increased when BMSC was treated with MHL for 9 d. RNA sequencing analysis indicated that MHL treatment altered mRNA m6A modification of genes associated with osteoblastogenesis. By kyoto encyclopedia of genes and genomes (KEGG) pathway analysis, HIF-1α, PI3K/Akt, and Hippo signaling pathways were enriched and associated with m6A modification. The expression of m6A-modified genes including HIF-1α, VEGF-A, and RASSF1, was upregulated by MHL, but the upregulation was reversed after METTL3 knockdown. Additionally, the enhanced expression of METTL3 was also observed after treatment with wedelolactone, a component from MHL. CONCLUSIONS These results suggested a previously uncharacterized mechanism of MHL and wedelolactone on osteoblastogenesis, by which METTL3-mediated m6A methylation is involved and thus contributes to the enhancement of osteoblastogenesis.
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Affiliation(s)
- Shuo Tian
- Shandong University of Traditional Chinese Medicine, Jinan, China.
| | - Yi-Lin Li
- Shandong University of Traditional Chinese Medicine, Jinan, China.
| | - Jie Wang
- Shandong University of Traditional Chinese Medicine, Jinan, China.
| | - Ren-Chao Dong
- Shandong University of Traditional Chinese Medicine, Jinan, China.
| | - Jun Wei
- Shandong University of Traditional Chinese Medicine, Jinan, China.
| | - Yu Ma
- Shandong University of Traditional Chinese Medicine, Jinan, China.
| | - Yan-Qiu Liu
- Shandong University of Traditional Chinese Medicine, Jinan, China.
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Wang D, Wang S, Zhu Q, Shen Z, Yang G, Chen Y, Luo C, Du Y, Hu Y, Wang W, Yang J. Prospects for Nerve Regeneration and Gene Therapy in the Treatment of Traumatic Brain Injury. J Mol Neurosci 2023; 73:578-586. [PMID: 37458921 DOI: 10.1007/s12031-023-02144-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 07/12/2023] [Indexed: 09/24/2023]
Abstract
Traumatic brain injury (TBI) is a prevalent neurological disorder and a leading cause of death and disability worldwide. The high mortality rates result in a tremendous burden on society and families in terms of public health and economic costs. Despite advances in biomedical research, treatment options for TBI still remain limited, and there is no effective therapy to restore the structure and function of the injured brain. Regrettably, due to the excessive heterogeneity of TBI and the lack of objective and reliable efficacy evaluation indicators, no proven therapeutic drugs or drugs with clear benefits on functional outcomes have been successfully developed to date. Therefore, it is urgent to explore new therapeutic approaches to protect or regenerate the injured brain from different perspectives. In this review, we first provide a brief overview of the causes and current status of TBI and then summarize the preclinical and clinical research status of cutting-edge treatment methods, including nerve regeneration therapy and gene therapy, with the aim of providing valuable references for effective therapeutic strategies for TBI.
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Affiliation(s)
- Daliang Wang
- Department of Critical Care Medicine, The First People Hospital of Jiashan, Jiaxing, 314199, Zhejiang, China
| | - Shengguo Wang
- Department of Critical Care Medicine, The First People Hospital of Jiashan, Jiaxing, 314199, Zhejiang, China
| | - Qunchao Zhu
- Department of Critical Care Medicine, The First People Hospital of Jiashan, Jiaxing, 314199, Zhejiang, China
| | - Zhe Shen
- Department of Critical Care Medicine, The First People Hospital of Jiashan, Jiaxing, 314199, Zhejiang, China
| | - Guohuan Yang
- Department of Critical Care Medicine, The First People Hospital of Jiashan, Jiaxing, 314199, Zhejiang, China
| | - Yanfei Chen
- Department of Critical Care Medicine, The First People Hospital of Jiashan, Jiaxing, 314199, Zhejiang, China
| | - Chen Luo
- Department of Critical Care Medicine, The First People Hospital of Jiashan, Jiaxing, 314199, Zhejiang, China
| | - Yanglin Du
- Department of Critical Care Medicine, The First People Hospital of Jiashan, Jiaxing, 314199, Zhejiang, China
| | - Yelang Hu
- Biological Medicine Research and Development Center, Yangtze Delta of Zhejiang, Hangzhou, 314006, Zhejiang, China
| | - Wenmin Wang
- Biological Medicine Research and Development Center, Yangtze Delta of Zhejiang, Hangzhou, 314006, Zhejiang, China
| | - Jie Yang
- Department of Critical Care Medicine, The First People Hospital of Jiashan, Jiaxing, 314199, Zhejiang, China.
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Wu S, Ohba S, Matsushita Y. Single-Cell RNA-Sequencing Reveals the Skeletal Cellular Dynamics in Bone Repair and Osteoporosis. Int J Mol Sci 2023; 24:9814. [PMID: 37372962 DOI: 10.3390/ijms24129814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 05/29/2023] [Accepted: 06/03/2023] [Indexed: 06/29/2023] Open
Abstract
The bone is an important organ that performs various functions, and the bone marrow inside the skeleton is composed of a complex intermix of hematopoietic, vascular, and skeletal cells. Current single-cell RNA sequencing (scRNA-seq) technology has revealed heterogeneity and sketchy differential hierarchy of skeletal cells. Skeletal stem and progenitor cells (SSPCs) are located upstream of the hierarchy and differentiate into chondrocytes, osteoblasts, osteocytes, and bone marrow adipocytes. In the bone marrow, multiple types of bone marrow stromal cells (BMSCs), which have the potential of SSPCs, are spatiotemporally located in distinct areas, and SSPCs' potential shift of BMSCs may occur with the advancement of age. These BMSCs contribute to bone regeneration and bone diseases, such as osteoporosis. In vivo lineage-tracing technologies show that various types of skeletal lineage cells concomitantly gather and contribute to bone regeneration. In contrast, these cells differentiate into adipocytes with aging, leading to senile osteoporosis. scRNA-seq analysis has revealed that alteration in the cell-type composition is a major cause of tissue aging. In this review, we discuss the cellular dynamics of skeletal cell populations in bone homeostasis, regeneration, and osteoporosis.
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Affiliation(s)
- Sixun Wu
- Department of Cell Biology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki 852-8588, Japan
| | - Shinsuke Ohba
- Department of Cell Biology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki 852-8588, Japan
- Department of Tissue and Developmental Biology, Osaka University Graduate School of Dentistry, Osaka 565-0871, Japan
| | - Yuki Matsushita
- Department of Cell Biology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki 852-8588, Japan
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Otani S, Ohnuma M, Ito K, Matsushita Y. Cellular dynamics of distinct skeletal cells and the development of osteosarcoma. Front Endocrinol (Lausanne) 2023; 14:1181204. [PMID: 37229448 PMCID: PMC10203529 DOI: 10.3389/fendo.2023.1181204] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 04/21/2023] [Indexed: 05/27/2023] Open
Abstract
Bone contributes to the maintenance of vital biological activities. At the cellular level, multiple types of skeletal cells, including skeletal stem and progenitor cells (SSPCs), osteoblasts, chondrocytes, marrow stromal cells, and adipocytes, orchestrate skeletal events such as development, aging, regeneration, and tumorigenesis. Osteosarcoma (OS) is a primary malignant tumor and the main form of bone cancer. Although it has been proposed that the cellular origins of OS are in osteogenesis-related skeletal lineage cells with cancer suppressor gene mutations, its origins have not yet been fully elucidated because of a poor understanding of whole skeletal cell diversity and dynamics. Over the past decade, the advent and development of single-cell RNA sequencing analyses and mouse lineage-tracing approaches have revealed the diversity of skeletal stem and its lineage cells. Skeletal stem cells (SSCs) in the bone marrow endoskeletal region have now been found to efficiently generate OS and to be robust cells of origin under p53 deletion conditions. The identification of SSCs may lead to a more limited redefinition of bone marrow mesenchymal stem/stromal cells (BM-MSCs), and this population has been thought to contain cells from which OS originates. In this mini-review, we discuss the cellular diversity and dynamics of multiple skeletal cell types and the origin of OS in the native in vivo environment in mice. We also discuss future challenges in the study of skeletal cells and OS.
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Affiliation(s)
- Shohei Otani
- Department of Molecular Bone Biology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Mizuho Ohnuma
- Department of Cell Biology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
- Department of Clinical Oral Oncology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Kosei Ito
- Department of Molecular Bone Biology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Yuki Matsushita
- Department of Cell Biology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
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Zhu Q, Ding L, Yue R. Skeletal stem cells: a game changer of skeletal biology and regenerative medicine? LIFE MEDICINE 2022; 1:294-306. [PMID: 36811113 PMCID: PMC9938637 DOI: 10.1093/lifemedi/lnac038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 09/13/2022] [Indexed: 11/12/2022]
Abstract
Skeletal stem cells (SSCs) were originally discovered in the bone marrow stroma. They are capable of self-renewal and multilineage differentiation into osteoblasts, chondrocytes, adipocytes, and stromal cells. Importantly, these bone marrow SSCs localize in the perivascular region and highly express hematopoietic growth factors to create the hematopoietic stem cell (HSC) niche. Thus, bone marrow SSCs play pivotal roles in orchestrating osteogenesis and hematopoiesis. Besides the bone marrow, recent studies have uncovered diverse SSC populations in the growth plate, perichondrium, periosteum, and calvarial suture at different developmental stages, which exhibit distinct differentiation potential under homeostatic and stress conditions. Therefore, the current consensus is that a panel of region-specific SSCs collaborate to regulate skeletal development, maintenance, and regeneration. Here, we will summarize recent advances of SSCs in long bones and calvaria, with a special emphasis on the evolving concept and methodology in the field. We will also look into the future of this fascinating research area that may ultimately lead to effective treatment of skeletal disorders.
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Affiliation(s)
- Qiaoling Zhu
- Institute for Regenerative Medicine, Shanghai East Hospital, Frontier Science Center for Stem Cell Research, Shanghai Key Laboratory of Signaling and Disease Research, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
| | - Lei Ding
- Columbia Stem Cell Initiative, Department of Rehabilitation and Regenerative Medicine and Department of Microbiology and Immunology, Columbia University Irving Medical Center, New York, NY 10032, USA
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Abu-Kheit R, Kotev-Emeth S, Hiram-Bab S, Gabet Y, Savion N. S-allylmercapto- N-acetylcysteine protects bone cells from oxidation and improves femur microarchitecture in healthy and diabetic mice. Exp Biol Med (Maywood) 2022; 247:1489-1500. [PMID: 35658550 PMCID: PMC9493761 DOI: 10.1177/15353702221095047] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
Oxidative stress is involved in the deterioration of bone quality and mechanical strength in both diabetic and aging adults. Therefore, we studied the ability of the antioxidant compound, S-allylmercapto-N-acetylcysteine (ASSNAC) to protect bone marrow stromal cells (BMSCs) from advanced glycation end-products (AGEs) cytotoxicity and improve bone microarchitecture of adult healthy and obese/diabetic (db/db) female mice. ASSNAC effect on AGEs-treated cultured rat BMSCs was evaluated by Neutral Red and XTT cell survival and reactive oxygen species (ROS) level assays. Its effect on healthy (C57BL/6) and obese/diabetic (C57BLKS/J Leprdb+/+; db/db) female mice femur parameters, such as (1) number of adherent BMSCs, (2) percentage of CD73+/CD45- cells in bone marrow (BM), (3) glutathione level in BM cells, and (4) femur microarchitecture parameters by microcomputed tomography, was studied. ASSNAC treatment protected BMSCs by significantly decreasing AGEs-induced ROS production and increasing their cellular resistance to the cytotoxic effect of AGEs. ASSNAC treatment of healthy female mice (50 mg/kg/day; i.p.; age 12-20 weeks) significantly increased the number of BMSCs (+60%), CD73+/CD45- cells (+134%), and glutathione level (+110%) in the femur bone marrow. Furthermore, it increased the femur length (+3%), cortical diameter (+3%), and cortical areal moment of inertia (Ct.MOI; +10%) a surrogate for biomechanical strength. In db/db mice that demonstrated a compromised trabecular bone and growth plate microarchitecture, ASSNAC treatment restored the trabecular number (Tb.N, +29%), bone volume fraction (Tb.BV/TV, +130%), and growth plate primary spongiosa volumetric bone mineral density (PS-vBMD, +7%) and thickness (PS-Th, +18%). In conclusion, this study demonstrates that ASSNAC protects bone marrow cells from oxidative stress and may improve bone microarchitecture in adult healthy and diabetic female mice.
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Affiliation(s)
- Reem Abu-Kheit
- Department of Human Molecular Genetics and
Biochemistry and Goldschleger Eye Research Institute, Sackler Faculty of Medicine, Tel Aviv
University, Tel Aviv 6997801, Israel
| | - Shlomo Kotev-Emeth
- Department of Human Molecular Genetics and
Biochemistry and Goldschleger Eye Research Institute, Sackler Faculty of Medicine, Tel Aviv
University, Tel Aviv 6997801, Israel
| | - Sahar Hiram-Bab
- Department of Anatomy and Anthropology,
Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Yankel Gabet
- Department of Anatomy and Anthropology,
Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Naphtali Savion
- Department of Human Molecular Genetics and
Biochemistry and Goldschleger Eye Research Institute, Sackler Faculty of Medicine, Tel Aviv
University, Tel Aviv 6997801, Israel;,Naphtali Savion.
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van Santen VJB, Bastidas Coral AP, Hogervorst JMA, Klein-Nulend J, Bakker AD. Biologically Relevant In Vitro 3D-Model to Study Bone Regeneration Potential of Human Adipose Stem Cells. Biomolecules 2022; 12:biom12020169. [PMID: 35204670 PMCID: PMC8961519 DOI: 10.3390/biom12020169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 01/14/2022] [Accepted: 01/18/2022] [Indexed: 11/16/2022] Open
Abstract
Standard cell cultures may not predict the proliferation and differentiation potential of human mesenchymal stromal cells (MSCs) after seeding on a scaffold and implanting this construct in a bone defect. We aimed to develop a more biologically relevant in vitro 3D-model for preclinical studies on the bone regeneration potential of MSCs. Human adipose tissue-derived mesenchymal stromal cells (hASCs; five donors) were seeded on biphasic calcium phosphate (BCP) granules and cultured under hypoxia (1% O2) for 14 days with pro-inflammatory TNFα, IL4, IL6, and IL17F (10 mg/mL each) added during the first three days, simulating the early stages of repair (bone construct model). Alternatively, hASCs were cultured on plastic, under 20% O2 and without cytokines for 14 days (standard cell culture). After two days, the bone construct model decreased total DNA (3.9-fold), COL1 (9.8-fold), and RUNX2 expression (19.6-fold) and metabolic activity (4.6-fold), but increased VEGF165 expression (38.6-fold) in hASCs compared to standard cultures. After seven days, the bone construct model decreased RUNX2 expression (64-fold) and metabolic activity (2.3-fold), but increased VEGF165 (54.5-fold) and KI67 expression (5.7-fold) in hASCs compared to standard cultures. The effect of the bone construct model on hASC proliferation and metabolic activity could be largely mimicked by culturing on BCP alone (20% O2, no cytokines). The effect of the bone construct model on VEGF165 expression could be mimicked by culturing hASCs under hypoxia alone (plastic, no cytokines). In conclusion, we developed a new, biologically relevant in vitro 3D-model to study the bone regeneration potential of MSCs. Our model is likely more suitable for the screening of novel factors to enhance bone regeneration than standard cell cultures.
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The essential anti-angiogenic strategies in cartilage engineering and osteoarthritic cartilage repair. Cell Mol Life Sci 2022; 79:71. [PMID: 35029764 PMCID: PMC9805356 DOI: 10.1007/s00018-021-04105-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 12/01/2021] [Accepted: 12/18/2021] [Indexed: 01/16/2023]
Abstract
In the cartilage matrix, complex interactions occur between angiogenic and anti-angiogenic components, growth factors, and environmental stressors to maintain a proper cartilage phenotype that allows for effective load bearing and force distribution. However, as seen in both degenerative disease and tissue engineering, cartilage can lose its vascular resistance. This vascularization then leads to matrix breakdown, chondrocyte apoptosis, and ossification. Research has shown that articular cartilage inflammation leads to compromised joint function and decreased clinical potential for regeneration. Unfortunately, few articles comprehensively summarize what we have learned from previous investigations. In this review, we summarize our current understanding of the factors that stabilize chondrocytes to prevent terminal differentiation and applications of these factors to rescue the cartilage phenotype during cartilage engineering and osteoarthritis treatment. Inhibiting vascularization will allow for enhanced phenotypic stability so that we are able to develop more stable implants for cartilage repair and regeneration.
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Bonilla C, Zurita M. Cell-Based Therapies for Traumatic Brain Injury: Therapeutic Treatments and Clinical Trials. Biomedicines 2021; 9:biomedicines9060669. [PMID: 34200905 PMCID: PMC8230536 DOI: 10.3390/biomedicines9060669] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 06/09/2021] [Accepted: 06/09/2021] [Indexed: 02/07/2023] Open
Abstract
Traumatic brain injury (TBI) represents physical damage to the brain tissue that induces transitory or permanent neurological disabilities. TBI contributes to 50% of all trauma deaths, with many enduring long-term consequences and significant medical and rehabilitation costs. There is currently no therapy to reverse the effects associated with TBI. An increasing amount of research has been undertaken regarding the use of different stem cells (SCs) to treat the consequences of brain damage. Neural stem cells (NSCs) (adult and embryonic) and mesenchymal stromal cells (MSCs) have shown efficacy in pre-clinical models of TBI and in their introduction to clinical research. The purpose of this review is to provide an overview of TBI and the state of clinical trials aimed at evaluating the use of stem cell-based therapies in TBI. The primary aim of these studies is to investigate the safety and efficacy of the use of SCs to treat this disease. Although an increasing number of studies are being carried out, few results are currently available. In addition, we present our research regarding the use of cell therapy in TBI. There is still a significant lack of understanding regarding the cell therapy mechanisms for the treatment of TBI. Thus, future studies are needed to evaluate the feasibility of the transplantation of SCs in TBI.
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Affiliation(s)
- Celia Bonilla
- Cell Therapy Unit, Puerta de Hierro Hospital, 28222 Majadahonda, Madrid, Spain
- Correspondence: ; Tel.: +34-91-191-7879
| | - Mercedes Zurita
- Cell Therapy Unit Responsable, Puerta de Hierro Hospital, 28222 Majadahonda, Madrid, Spain;
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Guo W, Spiller KV, Tang J, Karner CM, Hilton MJ, Wu C. Hypoxia depletes contaminating CD45 + hematopoietic cells from murine bone marrow stromal cell (BMSC) cultures: Methods for BMSC culture purification. Stem Cell Res 2021; 53:102317. [PMID: 33848794 DOI: 10.1016/j.scr.2021.102317] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 03/01/2021] [Accepted: 03/25/2021] [Indexed: 12/28/2022] Open
Abstract
Culture expanded bone marrow stromal cells (BMSCs) are easily isolated, can be grown rapidly en masse, and contain both skeletal stem cells (SSCs) and multipotent mesenchymal progenitors (MMPs). Despite this functional heterogeneity, BMSCs continue to be utilized for many applications due to the lack of definitive and universally accepted markers to prospectively identify and purify SSCs. Isolation is widely based on adherence to tissue culture plastic; however, high hematopoietic contamination is a significant impediment in murine models. Remarkably, when cultured at a physiological oxygen tension of 1% O2, a 10-fold reduction in CD45+ hematopoietic cells associated with a concomitant increase in PDGFRα+ stromal cells occur. This is due, in part, to a differential response of the two populations to hypoxia. In standard tissue culture conditions of 21% O2, CD45+ cells showed increased proliferation coupled with no changes in cell death compared to their counterparts grown at 1% O2. In contrast, PDGFR α+ stromal cells responded to hypoxia by increasing proliferation and exhibiting a 10-fold decrease in cell death. In summary, we describe a simple and reliable method exploiting the divergent biological response of hematopoietic and stromal cells to hypoxia to significantly increase the PDGFR α+ stromal cell population in murine BMSC cultures.
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Affiliation(s)
- Wendi Guo
- Department of Orthopaedic Surgery, Duke University School of Medicine, USA; Department of Pharmacology & Cancer Biology, Duke University School of Medicine, USA
| | | | - Jackie Tang
- Department of Orthopaedic Surgery, Duke University School of Medicine, USA
| | - Courtney M Karner
- Department of Orthopaedic Surgery, Duke University School of Medicine, USA; Department of Cell Biology, Duke University School of Medicine, USA
| | - Matthew J Hilton
- Department of Orthopaedic Surgery, Duke University School of Medicine, USA; Department of Cell Biology, Duke University School of Medicine, USA
| | - Colleen Wu
- Department of Orthopaedic Surgery, Duke University School of Medicine, USA; Department of Cell Biology, Duke University School of Medicine, USA; Department of Pharmacology & Cancer Biology, Duke University School of Medicine, USA.
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A. Everts P, Flanagan II G, Rothenberg J, Mautner K. The Rationale of Autologously Prepared Bone Marrow Aspirate Concentrate for use in Regenerative Medicine Applications. Regen Med 2020. [DOI: 10.5772/intechopen.91310] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
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Abstract
PURPOSE OF REVIEW Skeletal stem cells (SSCs) are considered to play important roles in bone development and repair. These cells have been historically defined by their in vitro potential for self-renewal and differentiation into "trilineage" cells; however, little is known about their in vivo identity. Here, we discuss recent progress on SSCs and how they potentially contribute to bone development and repair. RECENT FINDINGS Bone is composed of diverse tissues, which include cartilage and its perichondrium, cortical bone and its periosteum, and bone marrow and its trabecular bone and stromal compartment. We are now at the initial stage of understanding the precise identity of SSCs in each bone tissue. The emerging concept is that functionally dedicated SSCs are encased by their own unique cellular and extracellular matrix microenvironment, and locally support its own compartment. Diverse groups of SSCs are likely to work in concert to achieve development and repair of the highly functional skeletal organ.
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Affiliation(s)
- Yuki Matsushita
- University of Michigan School of Dentistry, Ann Arbor, MI, 48109, USA
| | - Wanida Ono
- University of Michigan School of Dentistry, Ann Arbor, MI, 48109, USA
| | - Noriaki Ono
- University of Michigan School of Dentistry, Ann Arbor, MI, 48109, USA.
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Zhang X, Hirschfeld M, Beck J, Kupke A, Köhler K, Schütz E, Brenig B. Osteogenesis imperfecta in a male holstein calf associated with a possible oligogenic origin. Vet Q 2020; 40:58-67. [PMID: 31980012 PMCID: PMC7034473 DOI: 10.1080/01652176.2020.1721611] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
Background: Neuromusculoskeletal anomalies generally in combination with severe clinical symptoms, comprise a heterogeneous group of fairly common and mostly fatal disorders in man and animals. Osteogenesis imperfecta (OI), also known as brittle bone disease, causes bone fragility and deformity. Prominent extra-skeletal accessory manifestations of OI comprise blue/gray sclerae, hearing impairment, lung abnormalities and hypercalciuria. Cases of OI in cattle have been reported. However, no causative mutations have been identified in cattle so far.Aim: To report a possible oligogenic origin identified in a calf from clinically healthy parents suffering from OI.Materials and Methods: A neonatal embryo transfer male Holstein calf developing multiple fractures with bone tissue showing marked osteopenia was used for whole genome re-sequencing as well as its parents. In addition, 2,612 randomly chosen healthy Holstein cattle were genotyped as well as controls.Results: Sixteen candidate genes with potential protein-altering variants were selected revealing non-synonymous variants only within IFITM5 and CRTAP genes. However, in-depth gene analysis did not result in the identification of a single causative mutation in the OI calf.Conclusion: The analysis of the OI case revealed a possible oligogenic origin of the disease attributable to additive effects of three candidate genes, i.e., ABCA13, QRFPR, and IFTIM5.Clinical relevance: Most OI cases in humans and domestic animals reported so far are caused by distinct dominant or recessive monogenic mutations, therefore a potential oligogenic additive genetic effect is a novel finding. Furthermore, the case presented here demonstrates that cross-species genetic analyses might not always be straightforward.
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Affiliation(s)
- Xuying Zhang
- Institute of Veterinary Medicine, University of Goettingen, Göttingen, Germany
| | - Marc Hirschfeld
- Institute of Veterinary Medicine, University of Goettingen, Göttingen, Germany.,Department of Obstetrics and Gynecology, University Medical Center Freiburg, Freiburg, Germany
| | - Julia Beck
- Chronix Biomedical, Institute of Veterinary Medicine, Göttingen, Germany
| | - Alexandra Kupke
- Institute of Virology, Philipps University Marburg, Marburg, Germany
| | - Kernt Köhler
- Institute of Veterinary Pathology, Justus Liebig University Gießen, Gießen, Germany
| | - Ekkehard Schütz
- Institute of Veterinary Medicine, University of Goettingen, Göttingen, Germany
| | - Bertram Brenig
- Institute of Veterinary Medicine, University of Goettingen, Göttingen, Germany
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Dincau B, Dressaire E, Sauret A. Pulsatile Flow in Microfluidic Systems. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e1904032. [PMID: 31657131 DOI: 10.1002/smll.201904032] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 09/17/2019] [Indexed: 06/10/2023]
Abstract
This review describes the current knowledge and applications of pulsatile flow in microfluidic systems. Elements of fluid dynamics at low Reynolds number are first described in the context of pulsatile flow. Then the practical applications in microfluidic processes are presented: the methods to generate a pulsatile flow, the generation of emulsion droplets through harmonic flow rate perturbation, the applications in mixing and particle separation, and the benefits of pulsatile flow for clog mitigation. The second part of the review is devoted to pulsatile flow in biological applications. Pulsatile flows can be used for mimicking physiological systems, to alter or enhance cell cultures, and for bioassay automation. Pulsatile flows offer unique advantages over a steady flow, especially in microfluidic systems, but also require some new physical insights and more rigorous investigation to fully benefit future applications.
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Affiliation(s)
- Brian Dincau
- Department of Mechanical Engineering, University of California, Santa Barbara, Santa Barbara, CA, 93106, USA
| | - Emilie Dressaire
- Department of Mechanical Engineering, University of California, Santa Barbara, Santa Barbara, CA, 93106, USA
| | - Alban Sauret
- Department of Mechanical Engineering, University of California, Santa Barbara, Santa Barbara, CA, 93106, USA
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15
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Mangolini M, Ringshausen I. Bone Marrow Stromal Cells Drive Key Hallmarks of B Cell Malignancies. Int J Mol Sci 2020; 21:E1466. [PMID: 32098106 PMCID: PMC7073037 DOI: 10.3390/ijms21041466] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2020] [Revised: 02/06/2020] [Accepted: 02/13/2020] [Indexed: 12/11/2022] Open
Abstract
All B cell leukaemias and a substantial fraction of lymphomas display a natural niche residency in the bone marrow. While the bone marrow compartment may only be one of several sites of disease manifestations, the strong clinical significance of minimal residual disease (MRD) in the bone marrow strongly suggests that privileged niches exist in this anatomical site favouring central elements of malignant transformation. Here, the co-existence of two hierarchical systems, originating from haematopoietic and mesenchymal stem cells, has extensively been characterised with regard to regulation of the former (blood production) by the latter. How these two systems cooperate under pathological conditions is far less understood and is the focus of many current investigations. More recent single-cell sequencing techniques have now identified an unappreciated cellular heterogeneity of the bone marrow microenvironment. How each of these cell subtypes interact with each other and regulate normal and malignant haematopoiesis remains to be investigated. Here we review the evidences of how bone marrow stroma cells and malignant B cells reciprocally interact. Evidently from published data, these cell-cell interactions induce profound changes in signalling, gene expression and metabolic adaptations. While the past research has largely focussed on understanding changes imposed by stroma- on tumour cells, it is now clear that tumour-cell contact also has fundamental ramifications for the biology of stroma cells. Their careful characterisations are not only interesting from a scientific biological viewpoint but also relevant to clinical practice: Since tumour cells heavily depend on stroma cells for cell survival, proliferation and dissemination, interference with bone marrow stroma-tumour interactions bear therapeutic potential. The molecular characterisation of tumour-stroma interactions can identify new vulnerabilities, which could be therapeutically exploited.
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Affiliation(s)
- Maurizio Mangolini
- Wellcome Trust/MRC Cambridge Stem Cell Institute, University of Cambridge, Cambridge CB2 0AH, UK;
| | - Ingo Ringshausen
- Wellcome Trust/MRC Cambridge Stem Cell Institute, University of Cambridge, Cambridge CB2 0AH, UK;
- Department of Haematology, Addenbrooke’s Hospital, Cambridge University hospital, Cambridge CB2 0AH, UK
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16
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A Wnt-mediated transformation of the bone marrow stromal cell identity orchestrates skeletal regeneration. Nat Commun 2020; 11:332. [PMID: 31949165 PMCID: PMC6965122 DOI: 10.1038/s41467-019-14029-w] [Citation(s) in RCA: 177] [Impact Index Per Article: 44.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2019] [Accepted: 12/12/2019] [Indexed: 12/22/2022] Open
Abstract
Bone marrow stromal cells (BMSCs) are versatile mesenchymal cell populations underpinning the major functions of the skeleton, a majority of which adjoin sinusoidal blood vessels and express C-X-C motif chemokine ligand 12 (CXCL12). However, how these cells are activated during regeneration and facilitate osteogenesis remains largely unknown. Cell-lineage analysis using Cxcl12-creER mice reveals that quiescent Cxcl12-creER+ perisinusoidal BMSCs differentiate into cortical bone osteoblasts solely during regeneration. A combined single cell RNA-seq analysis demonstrate that these cells convert their identity into a skeletal stem cell-like state in response to injury, associated with upregulation of osteoblast-signature genes and activation of canonical Wnt signaling components along the single-cell trajectory. β-catenin deficiency in these cells indeed causes insufficiency in cortical bone regeneration. Therefore, quiescent Cxcl12-creER+ BMSCs transform into osteoblast precursor cells in a manner mediated by canonical Wnt signaling, highlighting a unique mechanism by which dormant stromal cells are enlisted for skeletal regeneration. Bone marrow stromal cells (BMSCs) lining sinusoidal blood vessels are mesenchymal cells whose function is critical for the skeleton. Here the authors show that quiescent CXCL12-expressing BMSCs can convert into a skeletal stem cell-like state, and differentiate into cortical bone osteoblasts only in response to injury.
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17
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Dias RB, Guimarães JAM, Cury MB, Rocha LR, da Costa ES, Nogueira LP, Hochman-Mendez C, Fortuna-Costa A, Silva AKF, Cunha KS, de Souza SAL, Duarte MEL, Sartore RC, Bonfim DC. The Manufacture of GMP-Grade Bone Marrow Stromal Cells with Validated In Vivo Bone-Forming Potential in an Orthopedic Clinical Center in Brazil. Stem Cells Int 2019; 2019:2608482. [PMID: 31781235 PMCID: PMC6875385 DOI: 10.1155/2019/2608482] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 08/26/2019] [Accepted: 09/18/2019] [Indexed: 12/30/2022] Open
Abstract
In vitro-expanded bone marrow stromal cells (BMSCs) have long been proposed for the treatment of complex bone-related injuries because of their inherent potential to differentiate into multiple skeletal cell types, modulate inflammatory responses, and support angiogenesis. Although a wide variety of methods have been used to expand BMSCs on a large scale by using good manufacturing practice (GMP), little attention has been paid to whether the expansion procedures indeed allow the maintenance of critical cell characteristics and potency, which are crucial for therapeutic effectiveness. Here, we described standard procedures adopted in our facility for the manufacture of clinical-grade BMSC products with a preserved capacity to generate bone in vivo in compliance with the Brazilian regulatory guidelines for cells intended for use in humans. Bone marrow samples were obtained from trabecular bone. After cell isolation in standard monolayer flasks, BMSC expansion was subsequently performed in two cycles, in 2- and 10-layer cell factories, respectively. The average cell yield per cell factory at passage 1 was of 21.93 ± 12.81 × 106 cells, while at passage 2, it was of 83.05 ± 114.72 × 106 cells. All final cellular products were free from contamination with aerobic/anaerobic pathogens, mycoplasma, and bacterial endotoxins. The expanded BMSCs expressed CD73, CD90, CD105, and CD146 and were able to differentiate into osteogenic, chondrogenic, and adipogenic lineages in vitro. Most importantly, nine out of 10 of the cell products formed bone when transplanted in vivo. These validated procedures will serve as the basis for in-house BMSC manufacturing for use in clinical applications in our center.
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Affiliation(s)
- Rhayra B. Dias
- Master Program in Musculoskeletal Sciences, National Institute of Traumatology and Orthopedics, Rio de Janeiro 20940-070, Brazil
- Research Division, National Institute of Traumatology and Orthopedics, Rio de Janeiro 20940-070, Brazil
| | - João A. M. Guimarães
- Research Division, National Institute of Traumatology and Orthopedics, Rio de Janeiro 20940-070, Brazil
- Trauma Center, National Institute of Traumatology and Orthopedics, Rio de Janeiro 20940-070, Brazil
| | - Marco B. Cury
- Hip Surgery Center, National Institute of Traumatology and Orthopedics, Rio de Janeiro 20940-070, Brazil
| | - Leonardo R. Rocha
- Research Division, National Institute of Traumatology and Orthopedics, Rio de Janeiro 20940-070, Brazil
- Trauma Center, National Institute of Traumatology and Orthopedics, Rio de Janeiro 20940-070, Brazil
| | - Elaine S. da Costa
- Institute of Paediatrics and Puericulture Martagão Gesteira, Federal University of Rio de Janeiro, Rio de Janeiro 21941-912, Brazil
| | | | - Camila Hochman-Mendez
- Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
- Texas Heart Institute, Regenerative Medicine Research, Texas 77030, USA
| | - Anneliese Fortuna-Costa
- Research Division, National Institute of Traumatology and Orthopedics, Rio de Janeiro 20940-070, Brazil
| | - Anna Karoline F. Silva
- Graduate Program in Pathology, Fluminense Federal University, Rio de Janeiro 24030-215, Brazil
| | - Karin S. Cunha
- Graduate Program in Pathology, Fluminense Federal University, Rio de Janeiro 24030-215, Brazil
| | - Sergio A. L. de Souza
- Department of Radiology, Clementino Fraga Filho University Hospital, Federal University of Rio de Janeiro, Rio de Janeiro 21941-913, Brazil
| | - Maria Eugênia L. Duarte
- Research Division, National Institute of Traumatology and Orthopedics, Rio de Janeiro 20940-070, Brazil
| | - Rafaela C. Sartore
- Research Division, National Institute of Traumatology and Orthopedics, Rio de Janeiro 20940-070, Brazil
| | - Danielle C. Bonfim
- Research Division, National Institute of Traumatology and Orthopedics, Rio de Janeiro 20940-070, Brazil
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18
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Chrostek MR, Fellows EG, Guo WL, Swanson WJ, Crane AT, Cheeran MC, Low WC, Grande AW. Efficacy of Cell-Based Therapies for Traumatic Brain Injuries. Brain Sci 2019; 9:E270. [PMID: 31658732 PMCID: PMC6826445 DOI: 10.3390/brainsci9100270] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Revised: 09/30/2019] [Accepted: 10/08/2019] [Indexed: 12/12/2022] Open
Abstract
Traumatic brain injuries (TBIs) are a leading cause of death and disability. Additionally, growing evidence suggests a link between TBI-induced neuroinflammation and neurodegenerative disorders. Treatments for TBI patients are limited, largely focused on rehabilitation therapy, and ultimately, fail to provide long-term neuroprotective or neurorestorative benefits. Because of the prevalence of TBI and lack of viable treatments, new therapies are needed which can promote neurological recovery. Cell-based treatments are a promising avenue because of their potential to provide multiple therapeutic benefits. Cell-based therapies can promote neuroprotection via modulation of inflammation and promote neurorestoration via induction of angiogenesis and neurogenesis. Neural stem/progenitor cell transplantations have been investigated in preclinical TBI models for their ability to directly contribute to neuroregeneration, form neural-like cells, and improve recovery. Mesenchymal stem cells (MSCs) have been investigated in clinical trials through multiple different routes of administration. Intravenous administration of MSCs appears most promising, demonstrating a robust safety profile, correlation with neurological improvements, and reductions in systemic inflammation following TBI. While still preliminary, evidence suggests cell-based therapies may become a viable treatment for TBI based on their ability to promote neuroregeneration and reduce inflammation.
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Affiliation(s)
- Matthew R Chrostek
- Department of Neurosurgery, University of Minnesota Medical School, Minneapolis, MN 55455, USA.
| | - Emily G Fellows
- Department of Neurosurgery, University of Minnesota Medical School, Minneapolis, MN 55455, USA.
| | - Winston L Guo
- Department of Neurosurgery, University of Minnesota Medical School, Minneapolis, MN 55455, USA.
| | - William J Swanson
- Department of Neurosurgery, University of Minnesota Medical School, Minneapolis, MN 55455, USA.
| | - Andrew T Crane
- Department of Neurosurgery, University of Minnesota Medical School, Minneapolis, MN 55455, USA.
| | - Maxim C Cheeran
- Department of Veterinary Population Medicine, University of Minnesota College of Veterinary Medicine, St. Paul, MN 55108, USA.
| | - Walter C Low
- Department of Neurosurgery, University of Minnesota Medical School, Minneapolis, MN 55455, USA.
- Stem Cell Institute, University of Minnesota Medical School, Minneapolis, MN 55455, USA.
| | - Andrew W Grande
- Department of Neurosurgery, University of Minnesota Medical School, Minneapolis, MN 55455, USA.
- Stem Cell Institute, University of Minnesota Medical School, Minneapolis, MN 55455, USA.
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19
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Bizelli-Silveira C, Abildtrup LA, Spin-Neto R, Foss M, Søballe K, Kraft DCE. Strontium enhances proliferation and osteogenic behavior of bone marrow stromal cells of mesenchymal and ectomesenchymal origins in vitro. Clin Exp Dent Res 2019; 5:541-550. [PMID: 31687189 PMCID: PMC6820574 DOI: 10.1002/cre2.221] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Revised: 06/02/2019] [Accepted: 06/04/2019] [Indexed: 12/19/2022] Open
Abstract
Obejective To investigate the effect of increasing Strontium (Sr) concentrations on the growth and osteogenic behavior of human bone marrow stromal cells (BMSCs) from mesenchymal (i.e., fibula) and ectomesenchymal (i.e., mandible) embryonic origins. Materials and methods Fibula and mandible BMSCs were cultured in media without (Ctrl) or with Sr in four diverse concentrations: Sr1, 11.3 × 10−3 mg/L, human seric physiological level; Sr2, 13 mg/L, human seric level after strontium ranelate treatment; Sr3, 130 mg/L, and Sr4, 360 mg/L. Proliferation rate (1, 3, and 7 days), osteogenic behavior (alkaline phosphatase [ALP] activity, 7 and 14 days; expression of osteogenic genes (ALP, osteopontin, and osteocalcin at 7, 14, and 21 days), and formation of mineralized nodules (14 and 21 days) of the BMSCs were assessed. Data was compared group‐ and period‐wise using analysis of variance tests. Results Fibula and mandible BMSCs cultured with Sr4 showed increased proliferation rate, and osteocalcin and osteopontin gene expression together with more evident formation of mineralized nodules, compared all other Sr concentrations. For both cell populations, Sr4 led to lower ALP activity, and ALP gene expression, compared with the other Sr concentrations. Conclusion BMSCs from mesenchymal (i.e., fibula) and ectomesenchymal (i.e., mandible) embryonic origins showed increased cellular proliferation and osteogenic behavior when cultured with Sr4, in vitro.
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Affiliation(s)
- Carolina Bizelli-Silveira
- Department of Dentistry and Oral Health, Faculty of Health Aarhus University Aarhus Denmark.,Department of Orthopaedic Surgery Aarhus University Hospital Aarhus Denmark
| | - Lisbeth Ann Abildtrup
- Department of Dentistry and Oral Health, Faculty of Health Aarhus University Aarhus Denmark
| | - Rubens Spin-Neto
- Department of Dentistry and Oral Health, Faculty of Health Aarhus University Aarhus Denmark
| | - Morten Foss
- Interdisciplinary Nanoscience Center (iNANO), Department of Physics and Astronomy, Faculty of Science and Technology Aarhus University Aarhus Denmark
| | - Kjeld Søballe
- Department of Orthopaedic Surgery Aarhus University Hospital Aarhus Denmark
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20
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Human Fetal Bone Marrow-Derived Mesenchymal Stem Cells Promote the Proliferation and Differentiation of Pancreatic Progenitor Cells and the Engraftment Function of Islet-Like Cell Clusters. Int J Mol Sci 2019; 20:ijms20174083. [PMID: 31438545 PMCID: PMC6747176 DOI: 10.3390/ijms20174083] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 08/19/2019] [Accepted: 08/20/2019] [Indexed: 12/11/2022] Open
Abstract
Pancreatic progenitor cells (PPCs) are the primary source for all pancreatic cells, including beta-cells, and thus the proliferation and differentiation of PPCs into islet-like cell clusters (ICCs) opens an avenue to providing transplantable islets for diabetic patients. Meanwhile, mesenchymal stem cells (MSCs) can enhance the development and function of different cell types of interest, but their role on PPCs remains unknown. We aimed to explore the mechanism-of-action whereby MSCs induce the in vitro and in vivo PPC/ICC development by means of our established co-culture system of human PPCs with human fetal bone marrow-derived MSCs. We examined the effect of MSC-conditioned medium on PPC proliferation and survival. Meanwhile, we studied the effect of MSC co-culture enhanced PPC/ICC function in vitro and in vivo co-/transplantation. Furthermore, we identified IGF1 as a critical factor responsible for the MSC effects on PPC differentiation and proliferation via IGF1-PI3K/Akt and IGF1-MEK/ERK1/2, respectively. In conclusion, our data indicate that MSCs stimulated the differentiation and proliferation of human PPCs via IGF1 signaling, and more importantly, promoted the in vivo engraftment function of ICCs. Taken together, our protocol may provide a mechanism-driven basis for the proliferation and differentiation of PPCs into clinically transplantable islets.
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21
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Zhou Y, Yamamoto Y, Xiao Z, Ochiya T. The Immunomodulatory Functions of Mesenchymal Stromal/Stem Cells Mediated via Paracrine Activity. J Clin Med 2019; 8:jcm8071025. [PMID: 31336889 PMCID: PMC6678920 DOI: 10.3390/jcm8071025] [Citation(s) in RCA: 179] [Impact Index Per Article: 35.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Revised: 07/09/2019] [Accepted: 07/11/2019] [Indexed: 12/13/2022] Open
Abstract
Mesenchymal stromal/stem cells (MSCs) exist in almost all tissues, possessing the potential to differentiate into specialized cell types and exert immunomodulatory functions. Thus, they have attracted much attention as a promising therapeutic candidate. Recent studies have demonstrated that paracrine signaling is mainly responsible for the involvement of MSCs in the modulation of immune responses and the progression of diseases. Through release of secretome consisting of a diverse range of cytokines, chemokines, and extracellular vesicles (EVs), MSCs convey regulatory messages to recipient immune cells in the microenvironment. In this review, we focus on the recent advances in how MSCs contribute to immunomodulation through the secretion of paracrine factors. The further improved understanding of the molecular mechanism underlying the interactions between MSCs and immune cells highlights the paracrine biology of MSCs in the modulation of the immune microenvironment and promotes the clinical application of MSCs in regenerative medicine and immune diseases.
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Affiliation(s)
- Yueyuan Zhou
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
- Division of Cellular Signaling, National Cancer Center Research Institute, 5-1-1 Tsukiji, Chuo-ku, Tokyo 104-0045, Japan
| | - Yusuke Yamamoto
- Division of Cellular Signaling, National Cancer Center Research Institute, 5-1-1 Tsukiji, Chuo-ku, Tokyo 104-0045, Japan
| | - Zhongdang Xiao
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Takahiro Ochiya
- Division of Cellular Signaling, National Cancer Center Research Institute, 5-1-1 Tsukiji, Chuo-ku, Tokyo 104-0045, Japan.
- Department of Molecular and Cellular Medicine, Institute of Medical Science, Tokyo Medical University, 6-1-1 Shinjuku, Shinjuku-ku, Tokyo 160-8402, Japan.
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22
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Duvvuru MK, Han W, Chowdhury PR, Vahabzadeh S, Sciammarella F, Elsawa SF. Bone marrow stromal cells interaction with titanium; Effects of composition and surface modification. PLoS One 2019; 14:e0216087. [PMID: 31116747 PMCID: PMC6530826 DOI: 10.1371/journal.pone.0216087] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Accepted: 04/12/2019] [Indexed: 01/12/2023] Open
Abstract
Inflammation and implant loosening are major concerns when using titanium implants for hard tissue engineering applications. Surface modification is one of the promising tools to enhance tissue-material integration in metallic implants. Here, we used anodization technique to modify the surface of commercially pure titanium (CP-Ti) and titanium alloy (Ti-6Al-4V) samples. Our results show that electrolyte composition, anodization time and voltage dictated the formation of well-organized nanotubes. Although electrolyte containing HF in water resulted in nanotube formation on Ti, the presence of NH4F and ethylene glycol was necessary for successful nanotube formation on Ti-6Al-4V. Upon examination of the interaction of bone marrow stromal cells (BMSCs) with the modified samples, we found that Ti-6Al-4V without nanotubes induced cell proliferation and cluster of differentiation 40 ligand (CD40L) expression which facilitates B-cell activation to promote early bone healing. However, the expression of glioma associated protein 2 (GLI2), which regulates CD40L, was reduced in Ti-6Al-4V and the presence of nanotubes further reduced its expression. The inflammatory cytokine interleukin-6 (IL-6) expression was reduced by nanotube presence on Ti. These results suggest that Ti-6Al-4V with nanotubes may be suitable implants because they have no effect on BMSC growth and inflammation.
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Affiliation(s)
- Murali Krishna Duvvuru
- Department of Mechanical Engineering, Northern Illinois University, Dekalb, Illinois, United States of America
| | - Weiguo Han
- Department of Molecular, Cellular and Biomedical Sciences, University of New Hampshire, Durham, New Hampshire, United States of America
| | - Prantik Roy Chowdhury
- Department of Mechanical Engineering, Northern Illinois University, Dekalb, Illinois, United States of America
| | - Sahar Vahabzadeh
- Department of Mechanical Engineering, Northern Illinois University, Dekalb, Illinois, United States of America
- * E-mail: (SE); (SV)
| | - Federico Sciammarella
- Department of Mechanical Engineering, Northern Illinois University, Dekalb, Illinois, United States of America
| | - Sherine F. Elsawa
- Department of Molecular, Cellular and Biomedical Sciences, University of New Hampshire, Durham, New Hampshire, United States of America
- * E-mail: (SE); (SV)
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23
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Meng W, Hao Y, He C, Li L, Zhu G. Exosome-orchestrated hypoxic tumor microenvironment. Mol Cancer 2019; 18:57. [PMID: 30925935 PMCID: PMC6441221 DOI: 10.1186/s12943-019-0982-6] [Citation(s) in RCA: 175] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2018] [Accepted: 02/25/2019] [Indexed: 12/19/2022] Open
Abstract
Hypoxic tumor microenvironment is a common feature of solid tumors and is associated with aggressiveness and poor patient outcomes. A continuous interference between cancer cells and stromal cells within the hypoxic microenvironment has been uncovered for its importance in cancer development and treatment responsiveness. Exosomes, initially considered as “garbage bins” for unwanted material from cells, are now elucidated to perform a variety of functions that involve interactions within the cellular microenvironment due to their ability to carry numerous cargoes, including lipids, proteins, nucleic acids, and metabolites. Exosome-mediated continuous interference between cancer cells and stroma are believed to regulate hypoxia-adaptation and to rebuild the microenvironment in return. In this review, we will discuss the knowledge in literature with respect to the exosome-mediated multi-directional and mutual signal transmission among the variety of cell types within hypoxic cancer microenvironment.
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Affiliation(s)
- Wanrong Meng
- Department of Head and Neck Oncology, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, No. 55, Section 4, Renmin South Road, 610041, Chengdu, Sichuan, People's Republic of China
| | - Yaying Hao
- Department of Head and Neck Oncology, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, No. 55, Section 4, Renmin South Road, 610041, Chengdu, Sichuan, People's Republic of China
| | - Chuanshi He
- Department of Head and Neck Oncology, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, No. 55, Section 4, Renmin South Road, 610041, Chengdu, Sichuan, People's Republic of China
| | - Ling Li
- Department of Head and Neck Oncology, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, No. 55, Section 4, Renmin South Road, 610041, Chengdu, Sichuan, People's Republic of China.
| | - Guiquan Zhu
- Department of Head and Neck Oncology, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, No. 55, Section 4, Renmin South Road, 610041, Chengdu, Sichuan, People's Republic of China.
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Skeletal Bone Structure and Repair in Small Mammals, Birds, and Reptiles. Vet Clin North Am Exot Anim Pract 2019; 22:135-147. [PMID: 30872000 DOI: 10.1016/j.cvex.2019.01.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Bone strength depends on its structure, its composition, and the forces it is subjected to. Bone structure varies greatly between species and these differences may have clinical implications in their assessment or treatment. Fractures occur when the magnitude of the sum of forces affecting it exceeds its ultimate strength. The aim of bone healing is to recover the normal structure of the bone to maintain its normal function, but the mechanisms of bone healing differ greatly among species. This article provides a basic reference for the bone structure of small mammals, birds, and reptiles.
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25
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Bolbasov EN, Popkov DA, Kononovich NA, Gorbach EN, Khlusov IA, Golovkin AS, Stankevich KS, Ignatov VP, Bouznik VM, Anissimov YG, Tverdokhlebov SI, Popkov AV. Flexible intramedullary nails for limb lengthening: a comprehensive comparative study of three nails types. Biomed Mater 2019; 14:025005. [DOI: 10.1088/1748-605x/aaf60c] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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26
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Rufaihah AJ, Cheyyatraivendran S, Mazlan MDM, Lim K, Chong MSK, Mattar CNZ, Chan JKY, Kofidis T, Seliktar D. The Effect of Scaffold Modulus on the Morphology and Remodeling of Fetal Mesenchymal Stem Cells. Front Physiol 2018; 9:1555. [PMID: 30622472 PMCID: PMC6308149 DOI: 10.3389/fphys.2018.01555] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Accepted: 10/17/2018] [Indexed: 12/17/2022] Open
Abstract
Hydrogel materials have been successfully used as matrices to explore the role of biophysical and biochemical stimuli in directing stem cell behavior. Here, we present our findings on the role of modulus in guiding bone marrow fetal mesenchymal stem cell (BMfMSC) fate determination using semi-synthetic hydrogels made from PEG-fibrinogen (PF). The BMfMSCs were cultivated in the PF for up to 2 weeks to study the influence of matrix modulus (i.e., cross-linking density of the PF) on BMfMSC survival, morphology and integrin expression. Both two-dimensional (2D) and three-dimensional (3D) culture conditions were employed to examine the BMfMSCs as single cells or as cell spheroids. The hydrogel modulus affected the rate of BMfMSC metabolic activity, the integrin expression levels and the cell morphology, both as single cells and as spheroids. The cell seeding density was also found to be an important parameter of the system in that high densities were favorable in facilitating more cell-to-cell contacts that favored higher metabolic activity. Our findings provide important insight about design of a hydrogel scaffold that can be used to optimize the biological response of BMfMSCs for various tissue engineering applications.
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Affiliation(s)
- Abdul Jalil Rufaihah
- Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Suganya Cheyyatraivendran
- Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Muhammad Danial Mohd Mazlan
- Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Kenrich Lim
- Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Mark Seow Khoon Chong
- Division of Bioengineering, School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore, Singapore
| | | | - Jerry Kok Yen Chan
- Department of Obstretics and Gynaecology, National University of Singapore, Singapore, Singapore
| | - Theodoros Kofidis
- Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.,Department of Cardiac, Thoracic and Vascular Surgery, National University Heart Centre Singapore, National University Health System, Singapore, Singapore
| | - Dror Seliktar
- Nanoscience and Nanotechnology Initiative, National University of Singapore, Singapore, Singapore.,Faculty of Biomedical Engineering, Technion - Israel Institute of Technology, Haifa, Israel
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27
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Dong P, Zhu D, Deng X, Zhang Y, Ma J, Sun X, Liu Y. Effect of hydroxyapatite nanoparticles and wedelolactone on osteoblastogenesis from bone marrow mesenchymal stem cells. J Biomed Mater Res A 2018; 107:145-153. [DOI: 10.1002/jbm.a.36541] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2018] [Revised: 08/22/2018] [Accepted: 08/29/2018] [Indexed: 01/07/2023]
Affiliation(s)
- Peipei Dong
- Institute (College) of Integrative Medicine; Dalian Medical University; Dalian, 116044 China
| | - Di Zhu
- Institute (College) of Integrative Medicine; Dalian Medical University; Dalian, 116044 China
| | - Xue Deng
- Institute (College) of Integrative Medicine; Dalian Medical University; Dalian, 116044 China
| | - Yanjie Zhang
- Research Institute of Photonics; Dalian Polytechnic University; Dalian, 116034 China
| | - Jinhui Ma
- People's Libration Army No.202 Hospital; Shenyang, 110000 China
| | - Xiaoxin Sun
- Institute (College) of Integrative Medicine; Dalian Medical University; Dalian, 116044 China
| | - Yanqiu Liu
- Institute (College) of Integrative Medicine; Dalian Medical University; Dalian, 116044 China
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28
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Fu Q, Ren H, Zheng C, Zhuang C, Wu T, Qin J, Wang Z, Chen Y, Qi N. Improved osteogenic differentiation of human dental pulp stem cells in a layer-by-layer-modified gelatin scaffold. J Biomater Appl 2018; 33:477-487. [PMID: 30217134 DOI: 10.1177/0885328218799162] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Dental pulp stem cell is a new type of mesenchymal stem cell that has a potential for tissue regeneration. Gelatin sponges are often used for hemostasis in dental surgery. In this study, we aimed to evaluate the dental pulp stem cells' proliferation and osteogenic differentiation in different layer-by-layer-modified gelatin sponge scaffolds including the G, G + P (gelatin sponge+ poly-l-lysine modification), G + M (gelatin sponge + mineralization modification), and G + M + P (gelatin sponge + mineralization modification + poly-l-lysine modification) groups in vitro and assessed them in vivo. The results showed that dental pulp stem cells had a great potential for osteogenic differentiation. In vitro, the G + M + P group not only enhanced the adhesion and proliferation of dental pulp stem cells but also facilitated their osteogenic differentiation. However, alkaline phosphatase activity was prohibited after modification. In vivo, both dental pulp stem cells and cells from nude mice grew well on the scaffold, and G + M and G + M + P groups could promote the mineralization deposit formation and the expression of osteocalcin in osteogenic differentiation of dental pulp stem cells. In conclusion, the combination of dental pulp stem cells and G + M + P scaffold has a great potential for bone tissue engineering.
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Affiliation(s)
- Qiang Fu
- 1 Engineering Research Center of Cell and Therapeutic Antibody, Ministry of Education, and School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China
| | - Huaijuan Ren
- 2 China Stem Cell Therapy Co. Ltd, Shanghai, China
| | - Chen Zheng
- 3 Hainan Medical University, Haikou, China
| | - Chao Zhuang
- 1 Engineering Research Center of Cell and Therapeutic Antibody, Ministry of Education, and School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China
| | - Tong Wu
- 3 Hainan Medical University, Haikou, China
| | - Jinyan Qin
- 2 China Stem Cell Therapy Co. Ltd, Shanghai, China
| | | | | | - Nianmin Qi
- 3 Hainan Medical University, Haikou, China
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Ma HP, Deng X, Chen DY, Zhu D, Tong JL, Zhao T, Ma JH, Liu YQ. A microfluidic chip-based co-culture of fibroblast-like synoviocytes with osteoblasts and osteoclasts to test bone erosion and drug evaluation. ROYAL SOCIETY OPEN SCIENCE 2018; 5:180528. [PMID: 30839692 PMCID: PMC6170564 DOI: 10.1098/rsos.180528] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Accepted: 08/21/2018] [Indexed: 05/04/2023]
Abstract
Targeting fibroblast-like synoviocyte (FLS) migration and invasion-mediated bone erosion is a promising clinical strategy for the treatment of rheumatoid arthritis (RA). Drug sensitivity testing is fundamental to this scheme. We designed a microfluidic chip-based, cell co-cultured platform to mimic RA FLS-mediated bone erosion and perform drug-sensitive assay. Human synovium SW982 cells were cultured in the central channel and migrated to flow through matrigel-coated side channels towards cell culture chamber where RANKL-stimulated osteoclastic RAW264.7 and osteogenic medium (OS)-stimulated bone marrow mesenchymal stem cells (BMSC) were cultured in the microfluidic chip device, mimicking FLS migration and invasion-mediated bone erosion in RA. These SW982 cells showed different migration potentials to osteoclasts and BMSC. The migration of SW982 cells with high expression of cadherin-11 was more potent when SW982 cells were connected with the co-culture of RAW264.7 and BMSC. Simultaneously, in the co-cultured chamber, tartrate-resistant acid phosphatase (TRAP) activity of RANKL-stimulated RAW264.7 cells was enhanced, but alkaline phosphatase (ALP) activity was decreased in comparison with mono-cultured chamber. Furthermore, it was confirmed that celastrol, a positive drug for the treatment of RA, inhibited SW982 cell migration as well as TRAP activity in the cell-cultured microfluidic chips. Thus, the migration and invasion to bone-related cells was reconstituted on the microfluidic model. It may provide an effective anti-RA drug screen model for targeting FLS migration-mediated bone erosion.
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Affiliation(s)
- Hui-Peng Ma
- College of Laboratory Medicine, Dalian Medical University, Dalian 116044, People's Republic of China
| | - Xue Deng
- Institute (College) of Integrative Medicine, Dalian Medical University, Dalian 116044, People's Republic of China
| | - Deng-Yi Chen
- College of Laboratory Medicine, Dalian Medical University, Dalian 116044, People's Republic of China
| | - Di Zhu
- Institute (College) of Integrative Medicine, Dalian Medical University, Dalian 116044, People's Republic of China
| | - Jin-Ling Tong
- Institute (College) of Integrative Medicine, Dalian Medical University, Dalian 116044, People's Republic of China
| | - Ting Zhao
- Institute (College) of Integrative Medicine, Dalian Medical University, Dalian 116044, People's Republic of China
| | - Jin-Hui Ma
- People's Liberation Army No. 202 Hospital, Dalian Medical University, Dalian 116044, People's Republic of China
| | - Yan-Qiu Liu
- Institute (College) of Integrative Medicine, Dalian Medical University, Dalian 116044, People's Republic of China
- Author for correspondence: Yan-Qiu Liu e-mail:
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Abdanipour A, Dadkhah M, Alipour M, Feizi H. Effect of Ghrelin on Caspase 3 and Bcl2 Gene Expression in H2O2 Treated Rat's Bone Marrow Stromal Cells. Adv Pharm Bull 2018; 8:429-435. [PMID: 30276139 PMCID: PMC6156489 DOI: 10.15171/apb.2018.050] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2018] [Revised: 07/14/2018] [Accepted: 07/19/2018] [Indexed: 12/18/2022] Open
Abstract
Purpose: The antiapoptotic effect of ghrelin in various cell lines including bone marrow stromal cells (BMSCs) has been proved. However, the real mechanism of this effect is not clear. Caspase3 and Bcl2 are well-known pro- and antiapoptotic regulatory genes in eukaryotes. The aim of the study was to find out the effect of ghrelin on Caspase 3 and Bcl2 change in BMSCs. Methods: Rat BMSCs were cultivated in DMEM. Passage 3 BMSCs were treated with ghrelin 100 μM for 48 h. Real-time PCR for Caspase 3 and Bcl2 was carried out from B (untreated BMSCs), BH (BMSCs treated with 125 µM H2O2), BGH (BMSCs treated with 100 µM ghrelin then 125 µM H2O2) and BG (BMSCs treated with 100 µM ghrelin) groups. For immunofluorescence, cells were incubated with anti Caspase 3 and Bcl2monoclonal antibodies. Primary antibodies were visualized using the FITC method. All data are presented as means ± SEM. Values of P<0.05 were considered statistically significant. Results: Ghrelin decreased mRNA expressions of Caspase-3 significantly as compared to the BH group (P<0.05). Also, Bcl-2 gene expression showed an increment in BG group as compare with BH and BGH groups (P<0.05). A high present of Bcl-2 positive cells were observed in the BGH group while Caspase-3 positive cells were significantly decreased in the BGH group compared with the BH group (P<0.05). Conclusion: Ghrelin probably enhances BMSCs viability through regulation of pro- and antiapoptotic genes Caspase 3 and Bcl2. However the signaling pathway of this effect should be elucidated in the future.
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Affiliation(s)
- Alireza Abdanipour
- Department of Anatomical Sciences, Faculty of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Masoud Dadkhah
- Department of Physiology and Pharmacology, Faculty of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Mohsen Alipour
- Department of Physiology and Pharmacology, Faculty of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Hadi Feizi
- Department of Physiology and Pharmacology, Faculty of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran
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Wedelolactone inhibits osteoclastogenesis but enhances osteoblastogenesis through altering different semaphorins production. Int Immunopharmacol 2018; 60:41-49. [DOI: 10.1016/j.intimp.2018.04.037] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2018] [Revised: 04/18/2018] [Accepted: 04/20/2018] [Indexed: 11/19/2022]
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Hausherr TC, Nuss K, Thein E, Krähenbühl S, Applegate LA, Pioletti DP. Effect of temporal onsets of mechanical loading on bone formation inside a tissue engineering scaffold combined with cell therapy. Bone Rep 2018; 8:173-179. [PMID: 29955636 PMCID: PMC6020271 DOI: 10.1016/j.bonr.2018.04.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2017] [Revised: 04/20/2018] [Accepted: 04/23/2018] [Indexed: 12/28/2022] Open
Abstract
Several approaches to combine bone substitutes with biomolecules, cells or mechanical loading have been explored as an alternative to the limitation and risk-related bone auto- and allo-grafts. In particular, human bone progenitor cells seeded in porous poly(L-lactic acid)/tricalcium phosphate scaffolds have shown promising results. Furthermore, the application of mechanical loading has long been known to be a key player in the regulation of bone architecture and mechanical properties. Several in vivo studies have pointed out the importance of its temporal offset. When an early mechanical loading was applied a few days after scaffold implantation, it was ineffective on bone formation, whereas a delayed mechanical loading of several weeks was beneficial for bone tissue regeneration. No information is reported to date on the effectiveness of applying a mechanical loading in vivo on cell-seeded scaffold with respect to bone formation in a bone site. In our study, we were interested in human bone progenitor cells due to their low immunogenicity, sensitivity to mechanical loading and capacity to differentiate into osteogenic human bone progenitor cells. The latest capacity allowed us to test two different bone cell fates originating from the same cell type. Therefore, the general aim of this study was to assess the outcome on bone formation when human bone progenitor cells or pre-differentiated osteogenic human bone progenitor cells are combined with early and delayed mechanical loading inside bone tissue engineering scaffolds. Scaffolds without cells, named cell-free scaffold, were used as control. Surprisingly, we found that (1) the optimal solution for bone formation is the combination of cell-free scaffolds and delayed mechanical loading and that (2) the timing of the mechanical application is crucial and dependent on the cell type inside the implanted scaffolds. Bone substitutes can contain osteogenic cells or be mechanically stimulated. Both approaches are simultaneously tested in vivo. The combination of cell-free scaffolds and delayed mechanical loading was optimal. The timing of the mechanical application was crucial and dependent on the seeded cell type.
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Affiliation(s)
- T C Hausherr
- Laboratory of Biomechanical Orthopedics, Ecole Polytechnique Fédérale de Lausanne, Switzerland
| | - K Nuss
- Musculoskeletal Research Unit, Vetsuisse Faculty, University of Zürich, Switzerland
| | - E Thein
- Orthopedic and Traumatology Department, University Hospital of Lausanne (CHUV), Switzerland
| | - S Krähenbühl
- Regenerative Therapy Unit, Plastic and Reconstructive Surgery, University Hospital of Lausanne (CHUV), Switzerland
| | - L A Applegate
- Regenerative Therapy Unit, Plastic and Reconstructive Surgery, University Hospital of Lausanne (CHUV), Switzerland
| | - D P Pioletti
- Laboratory of Biomechanical Orthopedics, Ecole Polytechnique Fédérale de Lausanne, Switzerland
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33
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Biology and Potential Use of Chicken Bone Marrow-derived Cells. JOURNAL OF ANIMAL REPRODUCTION AND BIOTECHNOLOGY 2018. [DOI: 10.12750/jet.2018.33.1.31] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
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Yusop N, Battersby P, Alraies A, Sloan AJ, Moseley R, Waddington RJ. Isolation and Characterisation of Mesenchymal Stem Cells from Rat Bone Marrow and the Endosteal Niche: A Comparative Study. Stem Cells Int 2018; 2018:6869128. [PMID: 29765418 PMCID: PMC5885338 DOI: 10.1155/2018/6869128] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2017] [Revised: 10/20/2017] [Accepted: 11/05/2017] [Indexed: 12/28/2022] Open
Abstract
Within bone, mesenchymal stromal cells (MSCs) exist within the bone marrow stroma (BM-MSC) and the endosteal niche, as cells lining compact bone (CB-MSCs). This study isolated and characterised heterogeneous MSC populations from each niche and subsequently investigated the effects of extensive cell expansion, analysing population doublings (PDs)/cellular senescence, colony-forming efficiencies (CFEs), MSC cell marker expression, and osteogenic/adipogenic differentiation. CB-MSCs and BM-MSCs demonstrated similar morphologies and PDs, reaching 100 PDs. Both populations exhibited consistent telomere lengths (12-17 kb), minimal senescence, and positive telomerase expression. CB-MSCs (PD15) had significantly lower CFEs than PD50. CB-MSCs and BM-MSCs both expressed MSC (CD73/CD90/CD105); embryonic (Nanog) and osteogenic markers (Runx2, osteocalcin) but no hematopoietic markers (CD45). CB-MSCs (PD15) strongly expressed Oct4 and p16INK4A. At early PDs, CB-MSCs possessed a strong osteogenic potency and low potency for adipogenesis, whilst BM-MSCs possessed greater overall bipotentiality for osteogenesis and adipogenesis. At PD50, CB-MSCs demonstrated reduced potency for both osteogenesis and adipogenesis, compared to BM-MSCs at equivalent PDs. This study demonstrates similarities in proliferative and mesenchymal cell characteristics between CB-MSCs and BM-MSCs, but contrasting multipotentiality. Such findings support further comparisons of human CB-MSCs and BM-MSCs, facilitating selection of optimal MSC populations for regenerative medicine purposes.
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Affiliation(s)
- Norhayati Yusop
- Oral and Biomedical Sciences, School of Dentistry and Cardiff Institute Tissue Engineering and Repair, Cardiff University, Cardiff, UK
- School of Dental Sciences, University Sains Malaysia, Kelantan, Malaysia
| | - Paul Battersby
- Oral and Biomedical Sciences, School of Dentistry and Cardiff Institute Tissue Engineering and Repair, Cardiff University, Cardiff, UK
| | - Amr Alraies
- Oral and Biomedical Sciences, School of Dentistry and Cardiff Institute Tissue Engineering and Repair, Cardiff University, Cardiff, UK
| | - Alastair J. Sloan
- Oral and Biomedical Sciences, School of Dentistry and Cardiff Institute Tissue Engineering and Repair, Cardiff University, Cardiff, UK
| | - Ryan Moseley
- Oral and Biomedical Sciences, School of Dentistry and Cardiff Institute Tissue Engineering and Repair, Cardiff University, Cardiff, UK
| | - Rachel J. Waddington
- Oral and Biomedical Sciences, School of Dentistry and Cardiff Institute Tissue Engineering and Repair, Cardiff University, Cardiff, UK
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Abdanipour A, Shahsavandi B, Alipour M, Feizi H. Ghrelin Upregulates Hoxb4 Gene Expression in Rat Bone Marrow Stromal Cells. CELL JOURNAL 2018; 20:183-187. [PMID: 29633595 PMCID: PMC5893289 DOI: 10.22074/cellj.2018.5164] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/17/2017] [Accepted: 07/12/2017] [Indexed: 01/18/2023]
Abstract
OBJECTIVES Ghrelin is a peptide which has a proliferative and antiapoptotic effect in many cells including bone marrow stromal cells (BMSCs). Homeobox protein B4 (HOXB4) is a transcription factor involved in stem cell regeneration and survival. The aim of the study was to find out the efect of ghrelin on Hoxb4 expression in BMSCs. MATERIALS AND METHODS In this experimental study, rat BMSCs were cultivated in Dulbecco's Modified Eagle Medium (DMEM). Passage three BMSCs were treated with ghrelin 100 μM for 48 hours. Real-time polymerase chain reaction (PCR) was carried out from the untreated BMSCs (B), BMSCs treated with 125 μM H2O2 (BH), BMSCs treated with 100 μM ghrelin then 125 μM H2O2 (BGH) and BMSCs treated with 100 μM ghrelin (BG) groups. For immunofluorescence, cells were incubated with an anti-HOXB4 monoclonal antibody. Primary antibodies were visualized using the Fluorescein isothiocyanate (FITC) method. All data are presented as mean ± SEM and P<0.05 was considered as statistical significant. RESULTS Hoxb4 expression significantly increased in the BG compared with BH and BGH groups. Furthermore, 100 μM ghrelin, increased the mean of HOXB4 positive immunoreactive cells compared to the BH group. CONCLUSIONS Ghrelin probably enhances proliferation and viability of BMSCs through Hoxb4 upregulation. However, the signaling pathway and other biological outcomes of this effect should be elucidated in different stem cells.
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Affiliation(s)
- Alireza Abdanipour
- Department of Anatomical Sciences, Faculty of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Behnaz Shahsavandi
- Department of Physiology and Pharmacology, Faculty of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Mohsen Alipour
- Department of Physiology and Pharmacology, Faculty of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Hadi Feizi
- Department of Physiology and Pharmacology, Faculty of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran.
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36
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Wedelolactone Enhances Osteoblastogenesis through ERK- and JNK-mediated BMP2 Expression and Smad/1/5/8 Phosphorylation. Molecules 2018; 23:molecules23030561. [PMID: 29498687 PMCID: PMC6017959 DOI: 10.3390/molecules23030561] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Revised: 02/16/2018] [Accepted: 02/28/2018] [Indexed: 02/01/2023] Open
Abstract
Our previous study showed that wedelolactone, a compound isolated from Ecliptae herba, has the potential to enhance osteoblastogenesis. However, the molecular mechanisms by which wedelolactone promoted osteoblastogenesis from bone marrow mesenchymal stem cells (BMSCs) remain largely unknown. In this study, treatment with wedelolactone (2 μg/mL) for 3, 6, and 9 days resulted in an increase in phosphorylation of extracellular signal-regulated kinases (ERKs), c-Jun N-terminal protein kinase (JNK), and p38. Phosphorylation of mitogen-activated protein kinases (MAPKs), ERK and JNK started to increase on day 3 of treatment, and p38 phosphorylation was increased by day 6 of treatment. Expression of bone morphogenetic protein (BMP2) mRNA and phosphorylation of Smad1/5/8 was enhanced after treatment of cells with wedelolactone for 6 and 9 days. The addition of the JNK inhibitor SP600125, ERK inhibitor PD98059, and p38 inhibitor SB203580 suppressed wedelolactone-induced alkaline-phosphatase activity, bone mineralization, and osteoblastogenesis-related marker genes including Runx2, Bglap, and Sp7. Increased expression of BMP2 mRNA and Smad1/5/8 phosphorylation was blocked by SP600125 and PD98059, but not by SB203580. These results suggested that wedelolactone enhanced osteoblastogenesis through induction of JNK- and ERK-mediated BMP2 expression and Smad1/5/8 phosphorylation.
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Cordova ZM, Grönholm A, Kytölä V, Taverniti V, Hämäläinen S, Aittomäki S, Niininen W, Junttila I, Ylipää A, Nykter M, Pesu M. Myeloid cell expressed proprotein convertase FURIN attenuates inflammation. Oncotarget 2018; 7:54392-54404. [PMID: 27527873 PMCID: PMC5342350 DOI: 10.18632/oncotarget.11106] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2016] [Accepted: 07/22/2016] [Indexed: 01/30/2023] Open
Abstract
The proprotein convertase enzyme FURIN processes immature pro-proteins into functional end- products. FURIN is upregulated in activated immune cells and it regulates T-cell dependent peripheral tolerance and the Th1/Th2 balance. FURIN also promotes the infectivity of pathogens by activating bacterial toxins and by processing viral proteins. Here, we evaluated the role of FURIN in LysM+ myeloid cells in vivo. Mice with a conditional deletion of FURIN in their myeloid cells (LysMCre-fur(fl/fl)) were healthy and showed unchanged proportions of neutrophils and macrophages. Instead, LysMCre-fur(fl/fl) mice had elevated serum IL-1β levels and reduced numbers of splenocytes. An LPS injection resulted in accelerated mortality, elevated serum pro-inflammatory cytokines and upregulated numbers of pro-inflammatory macrophages. A genome-wide gene expression analysis revealed the overexpression of several pro-inflammatory genes in resting FURIN-deficient macrophages. Moreover, FURIN inhibited Nos2 and promoted the expression of Arg1, which implies that FURIN regulates the M1/M2-type macrophage balance. FURIN was required for the normal production of the bioactive TGF-β1 cytokine, but it inhibited the maturation of the inflammation-provoking TACE and Caspase-1 enzymes. In conclusion, FURIN has an anti-inflammatory function in LysM+ myeloid cells in vivo.
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Affiliation(s)
- Zuzet Martinez Cordova
- Immunoregulation, Institute of Biosciences and Medical Technology (BioMediTech), University of Tampere, Tampere, Finland
| | - Anna Grönholm
- Immunoregulation, Institute of Biosciences and Medical Technology (BioMediTech), University of Tampere, Tampere, Finland
| | - Ville Kytölä
- Computational Biology, Institute of Biosciences and Medical Technology (BioMediTech), University of Tampere, Tampere, Finland
| | - Valentina Taverniti
- Department of Food, Environmental and Nutritional Sciences (DeFENS), Division of Food Microbiology and Bioprocessing, Università degli Studi di Milano, Milan, Italy
| | - Sanna Hämäläinen
- Immunoregulation, Institute of Biosciences and Medical Technology (BioMediTech), University of Tampere, Tampere, Finland
| | - Saara Aittomäki
- Immunoregulation, Institute of Biosciences and Medical Technology (BioMediTech), University of Tampere, Tampere, Finland
| | - Wilhelmiina Niininen
- Immunoregulation, Institute of Biosciences and Medical Technology (BioMediTech), University of Tampere, Tampere, Finland
| | - Ilkka Junttila
- School of Medicine, University of Tampere, Tampere, Finland.,Fimlab Laboratories, Pirkanmaa Hospital District, Tampere, Finland
| | - Antti Ylipää
- Computational Biology, Institute of Biosciences and Medical Technology (BioMediTech), University of Tampere, Tampere, Finland
| | - Matti Nykter
- Computational Biology, Institute of Biosciences and Medical Technology (BioMediTech), University of Tampere, Tampere, Finland
| | - Marko Pesu
- Immunoregulation, Institute of Biosciences and Medical Technology (BioMediTech), University of Tampere, Tampere, Finland.,Department of Dermatology, Tampere University Hospital, Tampere, Finland
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The biological basis for concentrated iliac crest aspirate to enhance core decompression in the treatment of osteonecrosis. INTERNATIONAL ORTHOPAEDICS 2018; 42:1705-1709. [PMID: 29435623 DOI: 10.1007/s00264-018-3830-1] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2018] [Accepted: 02/01/2018] [Indexed: 12/20/2022]
Abstract
Core decompression is a surgical procedure that is capable of salvaging the patient's own natural joint, if the operation is performed in the early stages of osteonecrosis, in which the articular surface has not collapsed. The addition of concentrated cells, aspirated from the iliac crest, to the core tract has been shown to enhance the viability of the femoral head, although large, prospective, randomized, blinded multicentre studies are lacking. The rationale for adding these cells to the core decompression tract is to provide osteoprogenitor and vascular progenitor cells to the area of decompressed dead bone, in order to facilitate tissue regeneration and repair. It has become increasingly evident that vast discrepancies exist in different series in regard to the criteria for patient selection, the surgical technique of core decompression, the methods for harvesting, processing, and injecting the cells, and the methodology for determining success or failure in a specific patient cohort. This paper reviews the salient points relevant to the treatment of osteonecrosis by core decompression with addition of concentrated iliac crest aspirates and poses important questions regarding the future successful application of this technique.
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39
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Moschetta M, Kawano Y, Sacco A, Belotti A, Ribolla R, Chiarini M, Giustini V, Bertoli D, Sottini A, Valotti M, Ghidini C, Serana F, Malagola M, Imberti L, Russo D, Montanelli A, Rossi G, Reagan MR, Maiso P, Paiva B, Ghobrial IM, Roccaro AM. Bone Marrow Stroma and Vascular Contributions to Myeloma Bone Homing. Curr Osteoporos Rep 2017; 15:499-506. [PMID: 28889371 DOI: 10.1007/s11914-017-0399-3] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
PURPOSE OF THE REVIEW Herein we dissect mechanisms behind the dissemination of cancer cells from primary tumor site to the bone marrow, which are necessary for metastasis development, with a specific focus on multiple myeloma. RECENT FINDINGS The ability of tumor cells to invade vessels and reach the systemic circulation is a fundamental process for metastasis development; however, the interaction between clonal cells and the surrounding microenvironment is equally important for supporting colonization, survival, and growth in the secondary sites of dissemination. The intrinsic propensity of tumor cells to recognize a favorable milieu where to establish secondary growth is the basis of the "seed and soil" theory. This theory assumes that certain tumor cells (the "seeds") have a specific affinity for the milieu of certain organs (the "soil"). Recent literature has highlighted the important contributions of the vascular niche to the hospitable "soil" within the bone marrow. In this review, we discuss the crucial role of stromal cells and endothelial cells in supporting primary growth, homing, and metastasis to the bone marrow, in the context of multiple myeloma, a plasma cell malignancy with the unique propensity to primarily grow and metastasize to the bone marrow.
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Affiliation(s)
| | - Yawara Kawano
- Department of Hematology, Kumamoto University Hospital, Kumamoto, Japan
| | - Antonio Sacco
- Clinical Research Development and Phase I Unit, ASST Spedali Civili di Brescia, P.le Spedali Civili, n.1, 25123, Brescia, Italy
- CREA Laboratory, ASST Spedali Civili di Brescia, Brescia, Italy
| | - Angelo Belotti
- Department of Hematology, ASST Spedali Civili di Brescia, Brescia, Italy
| | - Rossella Ribolla
- Department of Hematology, ASST Spedali Civili di Brescia, Brescia, Italy
| | - Marco Chiarini
- CREA Laboratory, ASST Spedali Civili di Brescia, Brescia, Italy
- Clinical Chemistry Laboratory, Diagnostic Department, ASST Spedali Civili di Brescia, Brescia, Italy
| | - Viviana Giustini
- CREA Laboratory, ASST Spedali Civili di Brescia, Brescia, Italy
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Diego Bertoli
- CREA Laboratory, ASST Spedali Civili di Brescia, Brescia, Italy
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Alessandra Sottini
- CREA Laboratory, ASST Spedali Civili di Brescia, Brescia, Italy
- Clinical Chemistry Laboratory, Diagnostic Department, ASST Spedali Civili di Brescia, Brescia, Italy
| | - Monica Valotti
- CREA Laboratory, ASST Spedali Civili di Brescia, Brescia, Italy
- Clinical Chemistry Laboratory, Diagnostic Department, ASST Spedali Civili di Brescia, Brescia, Italy
| | - Claudia Ghidini
- CREA Laboratory, ASST Spedali Civili di Brescia, Brescia, Italy
- Clinical Chemistry Laboratory, Diagnostic Department, ASST Spedali Civili di Brescia, Brescia, Italy
| | - Federico Serana
- CREA Laboratory, ASST Spedali Civili di Brescia, Brescia, Italy
- Clinical Chemistry Laboratory, Diagnostic Department, ASST Spedali Civili di Brescia, Brescia, Italy
| | - Michele Malagola
- Adult Bone Marrow Transplantation Unit, ASST Spedali Civili di Brescia, University of Brescia, Brescia, Italy
| | - Luisa Imberti
- CREA Laboratory, ASST Spedali Civili di Brescia, Brescia, Italy
- Clinical Chemistry Laboratory, Diagnostic Department, ASST Spedali Civili di Brescia, Brescia, Italy
| | - Domenico Russo
- CREA Laboratory, ASST Spedali Civili di Brescia, Brescia, Italy
- Adult Bone Marrow Transplantation Unit, ASST Spedali Civili di Brescia, University of Brescia, Brescia, Italy
| | - Alessandro Montanelli
- CREA Laboratory, ASST Spedali Civili di Brescia, Brescia, Italy
- Clinical Chemistry Laboratory, Diagnostic Department, ASST Spedali Civili di Brescia, Brescia, Italy
| | - Giuseppe Rossi
- CREA Laboratory, ASST Spedali Civili di Brescia, Brescia, Italy
- Department of Hematology, ASST Spedali Civili di Brescia, Brescia, Italy
| | - Michaela R Reagan
- Maine Medical Center Research Institute, University of Maine, Scarborough, ME, USA
| | - Patricia Maiso
- Clinical and Translational Medicine, Clínica Universidad de Navarra, Pamplona, Spain
| | - Bruno Paiva
- Clinical and Translational Medicine, Clínica Universidad de Navarra, Pamplona, Spain
| | - Irene M Ghobrial
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Aldo M Roccaro
- Clinical Research Development and Phase I Unit, ASST Spedali Civili di Brescia, P.le Spedali Civili, n.1, 25123, Brescia, Italy.
- CREA Laboratory, ASST Spedali Civili di Brescia, Brescia, Italy.
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40
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Hoch AI, Duhr R, Di Maggio N, Mehrkens A, Jakob M, Wendt D. Expansion of Bone Marrow Mesenchymal Stromal Cells in Perfused 3D Ceramic Scaffolds Enhances In Vivo Bone Formation. Biotechnol J 2017; 12. [PMID: 28881093 DOI: 10.1002/biot.201700071] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Revised: 08/31/2017] [Indexed: 01/05/2023]
Abstract
Bone marrow-derived mesenchymal stromal cells (BMSC), when expanded directly within 3D ceramic scaffolds in perfusion bioreactors, more reproducibly form bone when implanted in vivo as compared to conventional expansion on 2D polystyrene dishes/flasks. Since the bioreactor-based expansion on 3D ceramic scaffolds encompasses multiple aspects that are inherently different from expansion on 2D polystyrene, we aimed to decouple the effects of specific parameters among these two model systems. We assessed the effects of the: 1) 3D scaffold vs. 2D surface; 2) ceramic vs. polystyrene materials; and 3) BMSC niche established within the ceramic pores during in vitro culture, on subsequent in vivo bone formation. While BMSC expanded on 3D polystyrene scaffolds in the bioreactor could maintain their in vivo osteogenic potential, results were similar as BMSC expanded in monolayer on 2D polystyrene, suggesting little influence of the scaffold 3D environment. Bone formation was most reproducible when BMSC are expanded on 3D ceramic, highlighting the influence of the ceramic substrate. The presence of a pre-formed niche within the scaffold pores had negligible effects on the in vivo bone formation. The results of this study allow a greater understanding of the parameters required for perfusion bioreactor-based manufacturing of osteogenic grafts for clinical applications.
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Affiliation(s)
- Allison I Hoch
- Department of Biomedicine, University of Basel, University Hospital Basel, Hebelstrasse 20, CH-4031 Basel, Switzerland.,University of California, Davis, CA, USA
| | - Ralph Duhr
- Department of Biomedicine, University of Basel, University Hospital Basel, Hebelstrasse 20, CH-4031 Basel, Switzerland
| | - Nunzia Di Maggio
- Department of Biomedicine, University of Basel, University Hospital Basel, Hebelstrasse 20, CH-4031 Basel, Switzerland
| | - Arne Mehrkens
- Department of Biomedicine, University of Basel, University Hospital Basel, Hebelstrasse 20, CH-4031 Basel, Switzerland.,Department of Surgery, University Hospital Basel, University of Basel, Basel, Switzerland
| | - Marcel Jakob
- Department of Biomedicine, University of Basel, University Hospital Basel, Hebelstrasse 20, CH-4031 Basel, Switzerland.,Department of Surgery, University Hospital Basel, University of Basel, Basel, Switzerland
| | - David Wendt
- Department of Biomedicine, University of Basel, University Hospital Basel, Hebelstrasse 20, CH-4031 Basel, Switzerland.,Department of Surgery, University Hospital Basel, University of Basel, Basel, Switzerland.,Department of Biomedical Engineering, University of Basel, University Hospital Basel, Basel, Switzerland
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41
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Azuma K, Umezu T, Imanishi S, Asano M, Yoshizawa S, Katagiri S, Ohyashiki K, Ohyashiki JH. Genetic variations of bone marrow mesenchymal stromal cells derived from acute leukemia and myelodysplastic syndrome by targeted deep sequencing. Leuk Res 2017; 62:23-28. [PMID: 28964959 DOI: 10.1016/j.leukres.2017.09.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Revised: 09/15/2017] [Accepted: 09/17/2017] [Indexed: 10/18/2022]
Abstract
Bone marrow mesenchymal stromal cells (MSCs), which support proliferation and differentiation of hematopoietic stem cells, may play a crucial role in the pathogenesis of myeloid neoplasms. To determine whether MSCs in myeloid neoplasms harbor distinct somatic mutations that may affect their function, we used a targeted gene sequencing panel containing 50 myeloid neoplasm-associated genes with coverage of ≥500. We compared the genetic alterations between MSCs and bone marrow hematopoietic (BM) cells from patients with acute leukemia (n=5) or myelodysplastic syndrome (MDS, n=5). Non-synonymous somatic mutations, such as DNMT3A-R882H and FLT3-D835Y, were only detected in BM cells with high allelic frequency. We found several non-synonymous genetic variants overlapping BM cells and MSCs, including TP53 and ASXL1, partially owing to the heterogenous cell fraction of MSC samples and lineage fidelity. We also found MSC-specific genetic variants with very low allelic frequency (7% to 8%), such as NF1-G2114D and NF1-G140. Further studies in large cohorts are needed to clarify the molecular properties of MSCs including age-related genetic alterations by targeted deep sequencing.
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Affiliation(s)
- Kenko Azuma
- Department of Molecular Oncology, Institute of Medical Science, Tokyo Medical University, 160-0023, Japan
| | - Tomohiro Umezu
- Department of Haematology, Tokyo Medical University, 160-0023, Japan
| | - Satoshi Imanishi
- Department of Molecular Oncology, Institute of Medical Science, Tokyo Medical University, 160-0023, Japan
| | - Michiyo Asano
- Department of Haematology, Tokyo Medical University, 160-0023, Japan
| | | | | | - Kazuma Ohyashiki
- Department of Haematology, Tokyo Medical University, 160-0023, Japan
| | - Junko H Ohyashiki
- Department of Molecular Oncology, Institute of Medical Science, Tokyo Medical University, 160-0023, Japan.
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42
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Krebsbach PH, Villa-Diaz LG. The Role of Integrin α6 (CD49f) in Stem Cells: More than a Conserved Biomarker. Stem Cells Dev 2017; 26:1090-1099. [PMID: 28494695 DOI: 10.1089/scd.2016.0319] [Citation(s) in RCA: 116] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Stem cells have the capacity for self-renewal and differentiation into specialized cells that form and repopulated all tissues and organs, from conception to adult life. Depending on their capacity for differentiation, stem cells are classified as totipotent (ie, zygote), pluripotent (ie, embryonic stem cells), multipotent (ie, neuronal stem cells, hematopoietic stem cells, epithelial stem cells, etc.), and unipotent (ie, spermatogonial stem cells). Adult or tissue-specific stem cells reside in specific niches located in, or nearby, their organ or tissue of origin. There, they have microenvironmental support to remain quiescent, to proliferate as undifferentiated cells (self-renewal), and to differentiate into progenitors or terminally differentiated cells that migrate from the niche to perform specialized functions. The presence of proteins at the cell surface is often used to identify, classify, and isolate stem cells. Among the diverse groups of cell surface proteins used for these purposes, integrin α6, also known as CD49f, may be the only biomarker commonly found in more than 30 different populations of stem cells, including some cancer stem cells. This broad expression among stem cell populations indicates that integrin α6 may play an important and conserved role in stem cell biology, which is reaffirmed by recent demonstrations of its role maintaining self-renewal of pluripotent stem cells and breast and glioblastoma cancer stem cells. Therefore, this review intends to highlight and synthesize new findings on the importance of integrin α6 in stem cell biology.
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Affiliation(s)
- Paul H Krebsbach
- 1 School of Dentistry, University of California , Los Angeles, California
| | - Luis G Villa-Diaz
- 2 Department of Biological Sciences, Oakland University , Rochester, Michigan
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43
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Mohan S, Raghavendran HB, Karunanithi P, Murali MR, Naveen SV, Talebian S, Mehrali M, Mehrali M, Natarajan E, Chan CK, Kamarul T. Incorporation of Human-Platelet-Derived Growth Factor-BB Encapsulated Poly(lactic-co-glycolic acid) Microspheres into 3D CORAGRAF Enhances Osteogenic Differentiation of Mesenchymal Stromal Cells. ACS APPLIED MATERIALS & INTERFACES 2017; 9:9291-9303. [PMID: 28266827 DOI: 10.1021/acsami.6b13422] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Tissue engineering aims to generate or facilitate regrowth or healing of damaged tissues by applying a combination of biomaterials, cells, and bioactive signaling molecules. In this regard, growth factors clearly play important roles in regulating cellular fate. However, uncontrolled release of growth factors has been demonstrated to produce severe side effects on the surrounding tissues. In this study, poly(lactic-co-glycolic acid) (PLGA) microspheres (MS) incorporated three-dimensional (3D) CORAGRAF scaffolds were engineered to achieve controlled release of platelet-derived growth factor-BB (PDGF-BB) for the differentiation of stem cells within the 3D polymer network. Fourier transform infrared spectroscopy, energy-dispersive X-ray spectroscopy, scanning electron microscopy, and microtomography were applied to characterize the fabricated scaffolds. In vitro study revealed that the CORAGRAF-PLGA-PDGF-BB scaffold system enhanced the release of PDGF-BB for the regulation of cell behavior. Stromal cell attachment, viability, release of osteogenic differentiation markers such as osteocalcin, and upregulation of osteogenic gene expression exhibited positive response. Overall, the developed scaffold system was noted to support rapid cell expansion and differentiation of stromal cells into osteogenic cells in vitro for bone tissue engineering applications.
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Affiliation(s)
- Saktiswaren Mohan
- Tissue Engineering Group (TEG), National Orthopaedic Centre of Excellence in Research and Learning (NOCERAL), Department of Orthopaedic Surgery, Faculty of Medicine, University of Malaya , Kuala Lumpur 50603, Malaysia
| | - Hanumantharao Balaji Raghavendran
- Tissue Engineering Group (TEG), National Orthopaedic Centre of Excellence in Research and Learning (NOCERAL), Department of Orthopaedic Surgery, Faculty of Medicine, University of Malaya , Kuala Lumpur 50603, Malaysia
| | - Puvanan Karunanithi
- Tissue Engineering Group (TEG), National Orthopaedic Centre of Excellence in Research and Learning (NOCERAL), Department of Orthopaedic Surgery, Faculty of Medicine, University of Malaya , Kuala Lumpur 50603, Malaysia
| | - Malliga Raman Murali
- Tissue Engineering Group (TEG), National Orthopaedic Centre of Excellence in Research and Learning (NOCERAL), Department of Orthopaedic Surgery, Faculty of Medicine, University of Malaya , Kuala Lumpur 50603, Malaysia
| | - Sangeetha Vasudevaraj Naveen
- Tissue Engineering Group (TEG), National Orthopaedic Centre of Excellence in Research and Learning (NOCERAL), Department of Orthopaedic Surgery, Faculty of Medicine, University of Malaya , Kuala Lumpur 50603, Malaysia
| | - Sepehr Talebian
- Intelligent Polymer Research Institute, ARC Centre of Excellence for Electromaterials Science, University of Wollongong , Wollongong, New South Wales 2522, Australia
| | - Mohammad Mehrali
- Process and Energy Department, Delft University of Technology , Leeghwaterstraat 39, Delft 2628 CB, The Netherlands
| | - Mehdi Mehrali
- DTU Nanotech, Department of Micro- and Nanotechnology, Center for Nanomedicine and Theranostics, Technical University of Denmark , Kongens Lyngby 2800, Denmark
| | - Elango Natarajan
- Mechanical Engineering Department, Faculty of Engineering, UCSI University , Technology and Built Environment, Kuala Lumpur 506000, Malaysia
| | - Chee Ken Chan
- Tissue Engineering Group (TEG), National Orthopaedic Centre of Excellence in Research and Learning (NOCERAL), Department of Orthopaedic Surgery, Faculty of Medicine, University of Malaya , Kuala Lumpur 50603, Malaysia
| | - Tunku Kamarul
- Tissue Engineering Group (TEG), National Orthopaedic Centre of Excellence in Research and Learning (NOCERAL), Department of Orthopaedic Surgery, Faculty of Medicine, University of Malaya , Kuala Lumpur 50603, Malaysia
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44
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He S, Zhao W, Zhang L, Mi L, Du G, Sun C, Sun X. Low-frequency vibration treatment of bone marrow stromal cells induces bone repair in vivo. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2017; 20:23-28. [PMID: 28133520 PMCID: PMC5243970 DOI: 10.22038/ijbms.2017.8088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Objective(s): To study the effect of low-frequency vibration on bone marrow stromal cell differentiation and potential bone repair in vivo. Materials and Methods: Forty New Zealand rabbits were randomly divided into five groups with eight rabbits in each group. For each group, bone defects were generated in the left humerus of four rabbits, and in the right humerus of the other four rabbits. To test differentiation, bones were isolated and demineralized, supplemented with bone marrow stromal cells, and implanted into humerus bone defects. Varying frequencies of vibration (0, 12.5, 25, 50, and 100 Hz) were applied to each group for 30 min each day for four weeks. When the bone defects integrated, they were then removed for histological examination. mRNA transcript levels of runt-related transcription factor 2, osteoprotegerin, receptor activator of nuclear factor κ-B ligan, and pre-collagen type 1 α were measured. Results: Humeri implanted with bone marrow stromal cells displayed elevated callus levels and wider, more prevalent, and denser trabeculae following treatment at 25 and 50 Hz. The mRNA levels of runt-related transcription factor 2, osteoprotegerin, receptor activator of nuclear factor κ-B ligand, and pre-collagen type 1 α were also markedly higher following 25 and 50 Hz treatment. Conclusion: Low frequency (25–50 Hz) vibration in vivo can promote bone marrow stromal cell differentiation and repair bone injury.
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Affiliation(s)
- Shengwei He
- Department of Orthopedics, Second Affiliated Hospital, Dalian Medical University, Dalian, Liaoning Province, 116031, P. R. China
| | - Wenzhi Zhao
- Department of Orthopedics, Second Affiliated Hospital, Dalian Medical University, Dalian, Liaoning Province, 116031, P. R. China
| | - Lu Zhang
- Department of Orthopedics, Second Affiliated Hospital, Dalian Medical University, Dalian, Liaoning Province, 116031, P. R. China
| | - Lidong Mi
- Department of Orthopedics, Second Affiliated Hospital, Dalian Medical University, Dalian, Liaoning Province, 116031, P. R. China
| | - Guangyu Du
- Department of Orthopedics, Second Affiliated Hospital, Dalian Medical University, Dalian, Liaoning Province, 116031, P. R. China
| | - Chuanxiu Sun
- Department of Orthopedics, Second Affiliated Hospital, Dalian Medical University, Dalian, Liaoning Province, 116031, P. R. China
| | - Xuegang Sun
- Department of Orthopedics, Second Affiliated Hospital, Dalian Medical University, Dalian, Liaoning Province, 116031, P. R. China
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45
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Zhao Z, Wang Z, Ge C, Krebsbach P, Franceschi R. Healing Cranial Defects with AdRunx2-transduced Marrow Stromal Cells. J Dent Res 2016; 86:1207-11. [DOI: 10.1177/154405910708601213] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Marrow stromal cells (MSCs) include stem cells capable of forming all mesenchymal tissues, including bone. However, before MSCs can be successfully used in regeneration procedures, methods must be developed to stimulate their differentiation selectively to osteoblasts. Runx2, a bone-specific transcription factor, is known to stimulate osteoblast differentiation. In the present study, we tested the hypothesis that Runx2 gene therapy can be used to heal a critical-sized defect in mouse calvaria. Runx2-engineered MSCs displayed enhanced osteogenic potential and osteoblast-specific gene expression in vitro and in vivo. Runx2-expressing cells also dramatically enhanced the healing of critical-sized calvarial defects and increased both bone volume fraction and bone mineral density. These studies provide a novel route for enhancing osteogenesis that may have future therapeutic applications for craniofacial bone regeneration.
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Affiliation(s)
- Z. Zhao
- Program in Oral Health Sciences,
- Department of Periodontics and Oral Medicine, and
- Department of Biological and Material Sciences, School of Dentistry, University of Michigan, 1011 N. University Ave., Ann Arbor, MI 48109-1078, USA; and
- Department of Biological Chemistry, School of Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Z. Wang
- Program in Oral Health Sciences,
- Department of Periodontics and Oral Medicine, and
- Department of Biological and Material Sciences, School of Dentistry, University of Michigan, 1011 N. University Ave., Ann Arbor, MI 48109-1078, USA; and
- Department of Biological Chemistry, School of Medicine, University of Michigan, Ann Arbor, MI, USA
| | - C. Ge
- Program in Oral Health Sciences,
- Department of Periodontics and Oral Medicine, and
- Department of Biological and Material Sciences, School of Dentistry, University of Michigan, 1011 N. University Ave., Ann Arbor, MI 48109-1078, USA; and
- Department of Biological Chemistry, School of Medicine, University of Michigan, Ann Arbor, MI, USA
| | - P. Krebsbach
- Program in Oral Health Sciences,
- Department of Periodontics and Oral Medicine, and
- Department of Biological and Material Sciences, School of Dentistry, University of Michigan, 1011 N. University Ave., Ann Arbor, MI 48109-1078, USA; and
- Department of Biological Chemistry, School of Medicine, University of Michigan, Ann Arbor, MI, USA
| | - R.T. Franceschi
- Program in Oral Health Sciences,
- Department of Periodontics and Oral Medicine, and
- Department of Biological and Material Sciences, School of Dentistry, University of Michigan, 1011 N. University Ave., Ann Arbor, MI 48109-1078, USA; and
- Department of Biological Chemistry, School of Medicine, University of Michigan, Ann Arbor, MI, USA
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46
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Sun C, Yuan H, Wang L, Wei X, Williams L, Krebsbach PH, Guan JL, Liu F. FAK Promotes Osteoblast Progenitor Cell Proliferation and Differentiation by Enhancing Wnt Signaling. J Bone Miner Res 2016; 31:2227-2238. [PMID: 27391080 PMCID: PMC5642940 DOI: 10.1002/jbmr.2908] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2016] [Revised: 06/30/2016] [Accepted: 07/05/2016] [Indexed: 01/03/2023]
Abstract
Decreased bone formation is often associated with increased bone marrow adiposity. The molecular mechanisms that are accountable for the negative correlation between bone mass and bone marrow adiposity are incompletely understood. Focal adhesion kinase (FAK) has critical functions in proliferation and differentiation of many cell types; however, its roles in osteoblast lineage cells are largely unknown. We show herein that mice lacking FAK in Osterix-expressing cells exhibited decreased osteoblast number and low bone mass as well as increased bone marrow adiposity. The decreased bone mass in FAK-deficient mice was accounted for by decreased proliferation, compromised osteogenic differentiation, and increased adipogenic differentiation of bone marrow Osterix-expressing cells resulting from downregulation of Wnt/β-catenin signaling due to the reduced expression of canonical Wnt ligands. In contrast, FAK loss in calvarial preosteoblasts had no adverse effect on their proliferation and osteogenic differentiation and these cells had intact Wnt/β-catenin signaling. © 2016 American Society for Bone and Mineral Research.
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Affiliation(s)
- Chunhui Sun
- Department of Biologic and Materials Sciences and Division of Prosthodontics, University of Michigan School of Dentistry, Ann Arbor, MI, USA
- Key Laboratory for Biotechnology on Medicinal Plants of Jiangsu Province, School of Life Science, Jiangsu Normal University, Xuzhou, Jiangsu, China
| | - Hebao Yuan
- Department of Biologic and Materials Sciences and Division of Prosthodontics, University of Michigan School of Dentistry, Ann Arbor, MI, USA
| | - Li Wang
- Department of Biologic and Materials Sciences and Division of Prosthodontics, University of Michigan School of Dentistry, Ann Arbor, MI, USA
| | - Xiaoxi Wei
- Department of Biologic and Materials Sciences and Division of Prosthodontics, University of Michigan School of Dentistry, Ann Arbor, MI, USA
- Department of Orthodontics, Jilin University School and Hospital of Stomatology, Changchun, Jilin, China
| | - Linford Williams
- Department of Biologic and Materials Sciences and Division of Prosthodontics, University of Michigan School of Dentistry, Ann Arbor, MI, USA
| | - Paul H Krebsbach
- Department of Biologic and Materials Sciences and Division of Prosthodontics, University of Michigan School of Dentistry, Ann Arbor, MI, USA
| | - Jun-Lin Guan
- Department of Cancer Biology, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Fei Liu
- Department of Biologic and Materials Sciences and Division of Prosthodontics, University of Michigan School of Dentistry, Ann Arbor, MI, USA
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47
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Kaigler D, Krebsbach PH, Wang Z, West ER, Horger K, Mooney DJ. Transplanted Endothelial Cells Enhance Orthotopic Bone Regeneration. J Dent Res 2016; 85:633-7. [PMID: 16798864 DOI: 10.1177/154405910608500710] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
The aim of this study was to determine if endothelial cells could enhance bone marrow stromal-cell-mediated bone regeneration in an osseous defect. Using poly-lactide-co-glycolide scaffolds as cell carriers, we transplanted bone marrow stromal cells alone or with endothelial cells into 8.5-mm calvarial defects created in nude rats. Histological analyses of blood vessel and bone formation were performed, and microcomputed tomography (μCT) was used to assess mineralized bone matrix. Though the magnitude of the angiogenic response between groups was the same, μCT analysis revealed earlier mineralization of bone in the co-transplantation condition. Ultimately, there was a significant increase (40%) in bone formation in the co-transplantation group (33 ± 2%), compared with the transplantation of bone marrow stromal cells alone (23 ± 3%). Analysis of these data demonstrates that, in an orthotopic site, transplanted endothelial cells can influence the bone-regenerative capacity of bone marrow stromal cells.
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Affiliation(s)
- D Kaigler
- Dept. of Periodontics, University of Michigan, Ann Arbor, MI 48109, USA
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48
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Takase H, Washida K, Hayakawa K, Arai K, Wang X, Lo EH, Lok J. Oligodendrogenesis after traumatic brain injury. Behav Brain Res 2016; 340:205-211. [PMID: 27829126 DOI: 10.1016/j.bbr.2016.10.042] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2016] [Revised: 10/20/2016] [Accepted: 10/21/2016] [Indexed: 01/14/2023]
Abstract
White matter injury is an important contributor to long term motor and cognitive dysfunction after traumatic brain injury. During brain trauma, acceleration, deceleration, torsion, and compression forces often cause direct damage to the axon tracts, and pathways that are triggered by the initial injury can trigger molecular events that result in secondary axon degeneration. White matter injury is often associated with altered mental status, memory deficits, motor or autonomic dysfunction, and contribute to the development of chronic neurodegenerative diseases. The presence and proper functioning of oligodendrocyte precursor cells offer the potential for repair and recovery of injured white matter. The process of the proliferation, maturation of oligodendrocyte precursor cells and their migration to the site of injury to replace injured or lost oligodendrocytes is know as oligodendrogenesis. The process of oligodendrogenesis, as well as the interaction of oligodendrocyte precursor cells with other elements of the neurovascular unit, will be discussed in this review.
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Affiliation(s)
- Hajime Takase
- Neuroprotection Research Laboratory, Massachusetts General Hospital, Charlestown, MA, United States; Department of Radiology, Massachusetts General Hospital, Boston, MA, United States; Department of Neurology, Massachusetts General Hospital, Boston, MA, United States; Department of Neurosurgery, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Kazuo Washida
- Neuroprotection Research Laboratory, Massachusetts General Hospital, Charlestown, MA, United States; Department of Radiology, Massachusetts General Hospital, Boston, MA, United States; Department of Neurology, Massachusetts General Hospital, Boston, MA, United States; Division of Neurology, Graduate School of Medicine, Kobe University, Kobe, Japan
| | - Kazuhide Hayakawa
- Neuroprotection Research Laboratory, Massachusetts General Hospital, Charlestown, MA, United States; Department of Radiology, Massachusetts General Hospital, Boston, MA, United States; Department of Neurology, Massachusetts General Hospital, Boston, MA, United States
| | - Ken Arai
- Neuroprotection Research Laboratory, Massachusetts General Hospital, Charlestown, MA, United States; Department of Radiology, Massachusetts General Hospital, Boston, MA, United States; Department of Neurology, Massachusetts General Hospital, Boston, MA, United States
| | - Xiaoying Wang
- Neuroprotection Research Laboratory, Massachusetts General Hospital, Charlestown, MA, United States; Department of Radiology, Massachusetts General Hospital, Boston, MA, United States; Department of Neurology, Massachusetts General Hospital, Boston, MA, United States
| | - Eng H Lo
- Neuroprotection Research Laboratory, Massachusetts General Hospital, Charlestown, MA, United States; Department of Radiology, Massachusetts General Hospital, Boston, MA, United States; Department of Neurology, Massachusetts General Hospital, Boston, MA, United States
| | - Josephine Lok
- Neuroprotection Research Laboratory, Massachusetts General Hospital, Charlestown, MA, United States; Department of Pediatrics, Massachusetts General Hospital, Boston, MA, United States.
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49
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Khan MP, Khan K, Yadav PS, Singh AK, Nag A, Prasahar P, Mittal M, China SP, Tewari MC, Nagar GK, Tewari D, Trivedi AK, Sanyal S, Bandyopadhyay A, Chattopadhyay N. BMP signaling is required for adult skeletal homeostasis and mediates bone anabolic action of parathyroid hormone. Bone 2016; 92:132-144. [PMID: 27567726 DOI: 10.1016/j.bone.2016.08.018] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2016] [Revised: 08/15/2016] [Accepted: 08/22/2016] [Indexed: 10/21/2022]
Abstract
Bmp2 and Bmp4 genes were ablated in adult mice (KO) using a conditional gene knockout technology. Bones were evaluated by microcomputed tomography (μCT), bone strength tester, histomorphometry and serum biochemical markers of bone turnover. Drill-hole was made at femur metaphysis and bone regeneration in the hole site was measured by calcein binding and μCT. Mice were either sham operated (ovary intact) or ovariectomized (OVX), and treated with human parathyroid hormone (PTH), 17β-estradiol (E2) or vehicle. KO mice displayed trabecular bone loss, diminished osteoid formation and reduced biomechanical strength compared with control (expressing Bmp2 and Bmp4). Both osteoblast and osteoclast functions were impaired in KO mice. Bone histomorphomtery and serum parameters established a low turnover bone loss in KO mice. Bone regeneration at the drill-hole site in KO mice was lower than control. However, deletion of Bmp2 gene alone had no effect on skeleton, an outcome similar to that reported previously for deletion of Bmp4 gene. Both PTH and E2 resulted in skeletal preservation in control-OVX, whereas in KO-OVX, E2 but not PTH was effective which suggested that the skeletal action of PTH required Bmp ligands but E2 did not. To determine cellular effects of Bmp2 and Bmp4, we used bone marrow stromal cells in which PTH but not E2 stimulated both Bmp2 and Bmp4 synthesis leading to increased Smad1/5 phosphorylation. Taken together, we conclude that Bmp2 and Bmp4 are essential for maintaining adult skeletal homeostasis and mediating the anabolic action of PTH.
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Affiliation(s)
- Mohd Parvez Khan
- Division of Endocrinology and Center for Research in Anabolic Skeletal Targets in Health and Illness (ASTHI), CSIR-Central Drug Research Institute, Sector 10 Jankipuram Extension, Sitapur Road, Lucknow 226031, India
| | - Kainat Khan
- Division of Endocrinology and Center for Research in Anabolic Skeletal Targets in Health and Illness (ASTHI), CSIR-Central Drug Research Institute, Sector 10 Jankipuram Extension, Sitapur Road, Lucknow 226031, India
| | - Prem Swaroop Yadav
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology Kanpur 208016, India
| | - Abhishek Kumar Singh
- Division of Biochemistry, CSIR-Central Drug Research Institute, Sector 10 Jankipuram Extension, Sitapur Road, Lucknow 226031, India
| | - Aditi Nag
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology Kanpur 208016, India
| | - Paritosh Prasahar
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology Kanpur 208016, India
| | - Monika Mittal
- Division of Endocrinology and Center for Research in Anabolic Skeletal Targets in Health and Illness (ASTHI), CSIR-Central Drug Research Institute, Sector 10 Jankipuram Extension, Sitapur Road, Lucknow 226031, India; AcSIR, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Shyamsundar Pal China
- Division of Endocrinology and Center for Research in Anabolic Skeletal Targets in Health and Illness (ASTHI), CSIR-Central Drug Research Institute, Sector 10 Jankipuram Extension, Sitapur Road, Lucknow 226031, India; AcSIR, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Mahesh Chandra Tewari
- Division of Endocrinology and Center for Research in Anabolic Skeletal Targets in Health and Illness (ASTHI), CSIR-Central Drug Research Institute, Sector 10 Jankipuram Extension, Sitapur Road, Lucknow 226031, India
| | - Geet Kumar Nagar
- Division of Endocrinology and Center for Research in Anabolic Skeletal Targets in Health and Illness (ASTHI), CSIR-Central Drug Research Institute, Sector 10 Jankipuram Extension, Sitapur Road, Lucknow 226031, India
| | - Deepshikha Tewari
- Division of Endocrinology and Center for Research in Anabolic Skeletal Targets in Health and Illness (ASTHI), CSIR-Central Drug Research Institute, Sector 10 Jankipuram Extension, Sitapur Road, Lucknow 226031, India
| | - Arun Kumar Trivedi
- Division of Biochemistry, CSIR-Central Drug Research Institute, Sector 10 Jankipuram Extension, Sitapur Road, Lucknow 226031, India
| | - Sabyasachi Sanyal
- Division of Biochemistry, CSIR-Central Drug Research Institute, Sector 10 Jankipuram Extension, Sitapur Road, Lucknow 226031, India
| | - Amitabha Bandyopadhyay
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology Kanpur 208016, India.
| | - Naibedya Chattopadhyay
- Division of Endocrinology and Center for Research in Anabolic Skeletal Targets in Health and Illness (ASTHI), CSIR-Central Drug Research Institute, Sector 10 Jankipuram Extension, Sitapur Road, Lucknow 226031, India; AcSIR, CSIR-Central Drug Research Institute, Lucknow 226031, India.
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Liu YQ, Han XF, Bo JX, Ma HP. Wedelolactone Enhances Osteoblastogenesis but Inhibits Osteoclastogenesis through Sema3A/NRP1/PlexinA1 Pathway. Front Pharmacol 2016; 7:375. [PMID: 27803667 PMCID: PMC5067540 DOI: 10.3389/fphar.2016.00375] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2016] [Accepted: 09/27/2016] [Indexed: 02/02/2023] Open
Abstract
Bone remodeling balance is maintained by tight coupling of osteoblast-mediated bone formation and osteoclast-mediated bone resorption. Thus, agents with the capacity to regulate osteoblastogenesis and osteoclastogenesis have been investigated for therapy of bone-related diseases such as osteoporosis. In this study, we found that wedelolactone, a compound isolated from Ecliptae herba, and a 9-day incubation fraction of conditioned media obtained from wedelolactone-treated bone marrow mesenchymal stem cell (BMSC) significantly inhibited tartrate-resistant acid phosphatase (TRAP) activity in RANKL-stimulated osteoclastic RAW264.7 cells. Addition of the semaphorin 3A (Sema3A) antibody to the conditioned media partially blocked the medium’s inhibitory effects on the RAW264.7 cells. In BMSC, mRNA expression of Sema3A increased in the presence of different wedelolactone concentrations. Blocking Sema3A activity with its antibody reversed wedelolactone-induced alkaline phosphatase activity in BMSC and concurrently enhanced wedelolactone-reduced TRAP activity in osteoclastic RAW264.7 cells. Moreover, in BMSC, wedelolactone enhanced binding of Sema3A with cell-surface receptors, including neuropilin (NRP)1 and plexinA1. Furthermore, nuclear accumulation of β-catenin, a transcription factor acting downstream of wedelolactone-induced Sema3A signaling, was blocked by the Sema3A antibody. In osteoclastic RAW264.7 cells, conditioned media and wedelolactone promoted the formation of plexin A1-NRP1, but conditioned media also caused the sequestration of the plexin A1-DNAX-activating protein 12 (DAP12) complex and suppressed the phosphorylation of phospholipase C (PLC)γ2. These data suggest that wedelolactone promoted osteoblastogenesis through production of Sema3A, thus inducing the formation of a Sema3A-plexinA1-Nrp1 complex and β-catenin activation. In osteoclastic RAW264.7 cells, wedelolactone inhibited osteoclastogenesis through sequestration of the plexinA1-DAP12 complex, induced the formation of plexinA1-Nrp1 complex, and suppressed PLCγ2 activation.
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Affiliation(s)
- Yan-Qiu Liu
- Institute (College) of Integrative Medicine, Dalian Medical University Dalian, China
| | - Xiao-Fei Han
- Glucose and Lipid Metabolism Laboratory of Liaoning Province, College of Life Science and Technology, Dalian University Dalian, China
| | - Jun-Xia Bo
- Glucose and Lipid Metabolism Laboratory of Liaoning Province, College of Life Science and Technology, Dalian University Dalian, China
| | - Hui-Peng Ma
- College of Medical Laboratory, Dalian Medical University Dalian, China
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