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Hao M, Xue L, Wen X, Sun L, Zhang L, Xing K, Hu X, Xu J, Xing D. Advancing bone regeneration: Unveiling the potential of 3D cell models in the evaluation of bone regenerative materials. Acta Biomater 2024; 183:1-29. [PMID: 38815683 DOI: 10.1016/j.actbio.2024.05.041] [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: 02/04/2024] [Revised: 05/23/2024] [Accepted: 05/24/2024] [Indexed: 06/01/2024]
Abstract
Bone, a rigid yet regenerative tissue, has garnered extensive attention for its impressive healing abilities. Despite advancements in understanding bone repair and creating treatments for bone injuries, handling nonunions and large defects remains a major challenge in orthopedics. The rise of bone regenerative materials is transforming the approach to bone repair, offering innovative solutions for nonunions and significant defects, and thus reshaping orthopedic care. Evaluating these materials effectively is key to advancing bone tissue regeneration, especially in difficult healing scenarios, making it a critical research area. Traditional evaluation methods, including two-dimensional cell models and animal models, have limitations in predicting accurately. This has led to exploring alternative methods, like 3D cell models, which provide fresh perspectives for assessing bone materials' regenerative potential. This paper discusses various techniques for constructing 3D cell models, their pros and cons, and crucial factors to consider when using these models to evaluate bone regenerative materials. We also highlight the significance of 3D cell models in the in vitro assessments of these materials, discuss their current drawbacks and limitations, and suggest future research directions. STATEMENT OF SIGNIFICANCE: This work addresses the challenge of evaluating bone regenerative materials (BRMs) crucial for bone tissue engineering. It explores the emerging role of 3D cell models as superior alternatives to traditional methods for assessing these materials. By dissecting the construction, key factors of evaluating, advantages, limitations, and practical considerations of 3D cell models, the paper elucidates their significance in overcoming current evaluation method shortcomings. It highlights how these models offer a more physiologically relevant and ethically preferable platform for the precise assessment of BRMs. This contribution is particularly significant for "Acta Biomaterialia" readership, as it not only synthesizes current knowledge but also propels the discourse forward in the search for advanced solutions in bone tissue engineering and regeneration.
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Affiliation(s)
- Minglu Hao
- The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266071, China; Cancer institute, Qingdao University, Qingdao 266071, China.
| | - Linyuan Xue
- The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266071, China; Cancer institute, Qingdao University, Qingdao 266071, China
| | - Xiaobo Wen
- The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266071, China; Cancer institute, Qingdao University, Qingdao 266071, China
| | - Li Sun
- The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266071, China; Cancer institute, Qingdao University, Qingdao 266071, China
| | - Lei Zhang
- Department of Chemical Engineering and Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, Ontario N2L3G1, Canada
| | - Kunyue Xing
- Alliance Manchester Business School, The University of Manchester, Manchester M139PL, UK
| | - Xiaokun Hu
- Department of Interventional Medical Center, Affiliated Hospital of Qingdao University, Qingdao 26600, China
| | - Jiazhen Xu
- The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266071, China; Cancer institute, Qingdao University, Qingdao 266071, China.
| | - Dongming Xing
- The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266071, China; Cancer institute, Qingdao University, Qingdao 266071, China; School of Life Sciences, Tsinghua University, Beijing 100084, China.
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Li Z, Lin J, Wu J, Suo J, Wang Z. The Hippo signalling pathway in bone homeostasis: Under the regulation of mechanics and aging. Cell Prolif 2024:e13652. [PMID: 38700015 DOI: 10.1111/cpr.13652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 04/04/2024] [Accepted: 04/18/2024] [Indexed: 05/05/2024] Open
Abstract
The Hippo signalling pathway is a conserved kinase cascade that orchestrates diverse cellular processes, such as proliferation, apoptosis, lineage commitment and stemness. With the onset of society ages, research on skeletal aging-mechanics-bone homeostasis has exploded. In recent years, aging and mechanical force in the skeletal system have gained groundbreaking research progress. Under the regulation of mechanics and aging, the Hippo signalling pathway has a crucial role in the development and homeostasis of bone. We synthesize the current knowledge on the role of the Hippo signalling pathway, particularly its downstream effectors yes-associated protein (YAP) and transcriptional co-activator with PDZ-binding motif (TAZ), in bone homeostasis. We discuss the regulation of the lineage specification and function of different skeletal cell types by the Hippo signalling pathway. The interactions of the Hippo signalling pathway with other pathways, such as Wnt, transforming growth factor beta and nuclear factor kappa-B, are also mentioned because of their importance for modulating bone homeostasis. Furthermore, YAP/TAZ have been extensively studied as mechanotransducers. Due to space limitations, we focus on reviewing how mechanical forces and aging influence cell fate, communications and homeostasis through a dysregulated Hippo signalling pathway.
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Affiliation(s)
- Zhengda Li
- Department of Human Anatomy and Histoembryology, School of Basic Medical Sciences and Shanghai Jing'an District Central Hospital, Fudan University, Shanghai, China
| | - Junqing Lin
- Institute of Microsurgery on Extremities, and Department of Orthopedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine Shanghai, Shanghai, China
| | - Jing Wu
- Department of Human Anatomy and Histoembryology, School of Basic Medical Sciences and Shanghai Jing'an District Central Hospital, Fudan University, Shanghai, China
| | - Jinlong Suo
- Institute of Microsurgery on Extremities, and Department of Orthopedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine Shanghai, Shanghai, China
| | - Zuoyun Wang
- Department of Human Anatomy and Histoembryology, School of Basic Medical Sciences and Shanghai Jing'an District Central Hospital, Fudan University, Shanghai, China
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Ye J, Hua Z, Xiao J, Shao Y, Li S, Yin H, Wu M, Rong Y, Hong B, Guo Y, Ma Y, Wang J. p-Smad3 differentially regulates the cytological behavior of osteoclasts before and after osteoblasts maturation. Mol Biol Rep 2024; 51:525. [PMID: 38632128 DOI: 10.1007/s11033-024-09400-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 02/28/2024] [Indexed: 04/19/2024]
Abstract
BACKGROUND A series of previous investigations have revealed that p-Smad3 plays a facilitative role in the differentiation and maturation of osteoblasts, while also regulating the expression of certain intercellular communication factors. However, the effects of p-Smad3 in osteoblasts before and after maturation on the proliferation, migration, differentiation, apoptosis and other cellular behaviors of osteoclasts have not been reported. METHODS MC3T3-E1 cells were cultured in osteogenic induction medium for varying durations, After that, the corresponding conditioned medium was collected and the osteoclast lineage cells were treated. To elucidate the regulatory role of p-Smad3 within osteoblasts, we applied the activator TGF-β1 and inhibitor SIS3 to immature and mature osteoblasts and collected corresponding conditioned media for osteoclast intervention. RESULTS We observed an elevation of p-Smad3 and Smad3 during the early stage of osteoblast differentiation, followed by a decline in the later stage. we discovered that as osteoblasts mature, their conditioned media inhibit osteoclasts differentiation and the osteoclast-coupled osteogenic effect. However, it promotes apoptosis in osteoclasts and the angiogenesis coupled with osteoclasts. p-Smad3 in immature osteoblasts, through paracrine effects, promotes the migration, differentiation, and osteoclast-coupled osteogenic effects of osteoclast lineage cells. For mature osteoblasts, p-Smad3 facilitates osteoclast apoptosis and the angiogenesis coupled with osteoclasts. CONCLUSIONS As pre-osteoblasts undergo maturation, p-Smad3 mediated a paracrine effect that transitions osteoclast cellular behaviors from inducing differentiation and stimulating bone formation to promoting apoptosis and coupling angiogenesis.
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Affiliation(s)
- Jiapeng Ye
- Wuxi Hospital Affiliated to Nanjing University of Chinese Medicine, Wuxi, Jiangsu, 214071, China
| | - Zhen Hua
- Wuxi Hospital Affiliated to Nanjing University of Chinese Medicine, Wuxi, Jiangsu, 214071, China
| | - Jirimutu Xiao
- Laboratory of New Techniques of Restoration & Reconstruction of Orthopedics and Traumatology, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, 210023, China
- Mongolian Medicine College, Inner Mongolia Medical University, Hohhot, Inner Mongolia, 010159, China
| | - Yang Shao
- Wuxi Hospital Affiliated to Nanjing University of Chinese Medicine, Wuxi, Jiangsu, 214071, China
| | - Shaoshuo Li
- Wuxi Hospital Affiliated to Nanjing University of Chinese Medicine, Wuxi, Jiangsu, 214071, China
| | - Heng Yin
- Wuxi Hospital Affiliated to Nanjing University of Chinese Medicine, Wuxi, Jiangsu, 214071, China
| | - Mao Wu
- Wuxi Hospital Affiliated to Nanjing University of Chinese Medicine, Wuxi, Jiangsu, 214071, China
| | - Yi Rong
- Wuxi Hospital Affiliated to Nanjing University of Chinese Medicine, Wuxi, Jiangsu, 214071, China
| | - Bowen Hong
- Wuxi Hospital Affiliated to Nanjing University of Chinese Medicine, Wuxi, Jiangsu, 214071, China
| | - Yang Guo
- Laboratory of New Techniques of Restoration & Reconstruction of Orthopedics and Traumatology, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, 210023, China
| | - Yong Ma
- Laboratory of New Techniques of Restoration & Reconstruction of Orthopedics and Traumatology, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, 210023, China
| | - Jianwei Wang
- Wuxi Hospital Affiliated to Nanjing University of Chinese Medicine, Wuxi, Jiangsu, 214071, China.
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Mishra A, Kumar R, Mishra SN, Vijayaraghavalu S, Tiwari NK, Shukla GC, Gurusamy N, Kumar M. Differential Expression of Non-Coding RNAs in Stem Cell Development and Therapeutics of Bone Disorders. Cells 2023; 12:cells12081159. [PMID: 37190068 PMCID: PMC10137108 DOI: 10.3390/cells12081159] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 03/26/2023] [Accepted: 04/04/2023] [Indexed: 05/17/2023] Open
Abstract
Stem cells' self-renewal and multi-lineage differentiation are regulated by a complex network consisting of signaling factors, chromatin regulators, transcription factors, and non-coding RNAs (ncRNAs). Diverse role of ncRNAs in stem cell development and maintenance of bone homeostasis have been discovered recently. The ncRNAs, such as long non-coding RNAs, micro RNAs, circular RNAs, small interfering RNA, Piwi-interacting RNAs, etc., are not translated into proteins but act as essential epigenetic regulators in stem cells' self-renewal and differentiation. Different signaling pathways are monitored efficiently by the differential expression of ncRNAs, which function as regulatory elements in determining the fate of stem cells. In addition, several species of ncRNAs could serve as potential molecular biomarkers in early diagnosis of bone diseases, including osteoporosis, osteoarthritis, and bone cancers, ultimately leading to the development of new therapeutic strategies. This review aims to explore the specific roles of ncRNAs and their effective molecular mechanisms in the growth and development of stem cells, and in the regulation of osteoblast and osteoclast activities. Furthermore, we focus on and explore the association of altered ncRNA expression with stem cells and bone turnover.
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Affiliation(s)
- Anurag Mishra
- Department of Biochemistry, Faculty of Science, University of Allahabad, Prayagraj 211002, India
| | - Rishabh Kumar
- Department of Biochemistry, Faculty of Science, University of Allahabad, Prayagraj 211002, India
| | - Satya Narayan Mishra
- Maa Gayatri College of Pharmacy, Dr. APJ Abdul Kalam Technical University, Prayagraj 211009, India
| | | | - Neeraj Kumar Tiwari
- Department of IT-Satellite Centre, Babasaheb Bhimrao Ambedkar University, Lucknow 226025, India
| | - Girish C Shukla
- Department of Biological, Geological, and Environmental Sciences, 2121 Euclid Ave., Cleveland, OH 44115, USA
- Center for Gene Regulation in Health and Disease, 2121 Euclid Ave., Cleveland, OH 44115, USA
| | - Narasimman Gurusamy
- Department of Pharmaceutical Sciences, College of Pharmacy, Nova Southeastern University, Fort Lauderdale, FL 33328, USA
| | - Munish Kumar
- Department of Biochemistry, Faculty of Science, University of Allahabad, Prayagraj 211002, India
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Weng W, Bovard D, Zanetti F, Ehnert S, Braun B, Uynuk-Ool T, Histing T, Hoeng J, Nussler AK, Aspera-Werz RH. Tobacco heating system has less impact on bone metabolism than cigarette smoke. Food Chem Toxicol 2023; 173:113637. [PMID: 36708864 DOI: 10.1016/j.fct.2023.113637] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 12/14/2022] [Accepted: 01/24/2023] [Indexed: 01/26/2023]
Abstract
Cigarette smoking promotes osteoclast activity, thus increasing the risk of secondary osteoporosis, leading to osteoporosis-associated fracture and impaired fracture healing. Heated tobacco products (HTP) are considered potential reduced-risk alternatives to cigarettes. However, their impact on bone metabolism remains to be elucidated. We developed an in vitro model that mimics in vivo bone cell interactions to comparatively evaluate the effects of HTPs and cigarette smoke on bone cell functionality and viability. We generated an in vitro coculture system with SCP-1 and THP-1 cells (1:8 ratio) cultured on a decellularized Saos-2 matrix with an optimized coculture medium. We found that, following acute or chronic exposure, particulate matter extract from the aerosol of an HTP, the Tobacco Heating System (THS), was less harmful to the bone coculture system than reference cigarette (1R6F) smoke extract. In the fracture healing model, cultures exposed to the THS extract maintained similar osteoclast activity and calcium deposits as control cultures. Conversely, smoke extract exposure promoted osteoclast activity, resulting in an osteoporotic environment, whose formation could be prevented by bisphosphonate coadministration. Thus, THS is potentially less harmful than cigarette smoke to bone cell differentiation and bone mineralization - both being crucial aspects during the reparative phase of fracture healing.
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Affiliation(s)
- Weidong Weng
- Siegfried Weller Research Institute, BG Trauma Center Tübingen, Department of Trauma and Reconstructive Surgery, University of Tübingen, Schnarrenbergstr. 95, D-72076, Tübingen, Germany.
| | - David Bovard
- PMI R&D, Philip Morris Products S.A., Quai Jeanrenaud 5, CH-2000, Neuchâtel, Switzerland.
| | - Filippo Zanetti
- PMI R&D, Philip Morris Products S.A., Quai Jeanrenaud 5, CH-2000, Neuchâtel, Switzerland.
| | - Sabrina Ehnert
- Siegfried Weller Research Institute, BG Trauma Center Tübingen, Department of Trauma and Reconstructive Surgery, University of Tübingen, Schnarrenbergstr. 95, D-72076, Tübingen, Germany.
| | - Bianca Braun
- Siegfried Weller Research Institute, BG Trauma Center Tübingen, Department of Trauma and Reconstructive Surgery, University of Tübingen, Schnarrenbergstr. 95, D-72076, Tübingen, Germany.
| | - Tatiana Uynuk-Ool
- Siegfried Weller Research Institute, BG Trauma Center Tübingen, Department of Trauma and Reconstructive Surgery, University of Tübingen, Schnarrenbergstr. 95, D-72076, Tübingen, Germany.
| | - Tina Histing
- Siegfried Weller Research Institute, BG Trauma Center Tübingen, Department of Trauma and Reconstructive Surgery, University of Tübingen, Schnarrenbergstr. 95, D-72076, Tübingen, Germany.
| | - Julia Hoeng
- PMI R&D, Philip Morris Products S.A., Quai Jeanrenaud 5, CH-2000, Neuchâtel, Switzerland.
| | - Andreas K Nussler
- Siegfried Weller Research Institute, BG Trauma Center Tübingen, Department of Trauma and Reconstructive Surgery, University of Tübingen, Schnarrenbergstr. 95, D-72076, Tübingen, Germany.
| | - Romina H Aspera-Werz
- Siegfried Weller Research Institute, BG Trauma Center Tübingen, Department of Trauma and Reconstructive Surgery, University of Tübingen, Schnarrenbergstr. 95, D-72076, Tübingen, Germany.
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Lanthanum promoting bone formation by regulating osteogenesis, osteoclastogenesis and angiogenesis. J RARE EARTH 2023. [DOI: 10.1016/j.jre.2023.01.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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7
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Biagini F, Daddi C, Calvigioni M, De Maria C, Zhang YS, Ghelardi E, Vozzi G. Designs and methodologies to recreate in vitro human gut microbiota models. Biodes Manuf 2022. [DOI: 10.1007/s42242-022-00210-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
AbstractThe human gut microbiota is widely considered to be a metabolic organ hidden within our bodies, playing a crucial role in the host’s physiology. Several factors affect its composition, so a wide variety of microbes residing in the gut are present in the world population. Individual excessive imbalances in microbial composition are often associated with human disorders and pathologies, and new investigative strategies to gain insight into these pathologies and define pharmaceutical therapies for their treatment are needed. In vitro models of the human gut microbiota are commonly used to study microbial fermentation patterns, community composition, and host-microbe interactions. Bioreactors and microfluidic devices have been designed to culture microorganisms from the human gut microbiota in a dynamic environment in the presence or absence of eukaryotic cells to interact with. In this review, we will describe the overall elements required to create a functioning, reproducible, and accurate in vitro culture of the human gut microbiota. In addition, we will analyze some of the devices currently used to study fermentation processes and relationships between the human gut microbiota and host eukaryotic cells.
Graphic abstract
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Lin CY, Song X, Seaman K, You L. Microfluidic Co-culture Platforms for Studying Osteocyte Regulation of Other Cell Types under Dynamic Mechanical Stimulation. Curr Osteoporos Rep 2022; 20:478-492. [PMID: 36149593 DOI: 10.1007/s11914-022-00748-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/26/2022] [Indexed: 01/30/2023]
Abstract
PURPOSE OF REVIEW Osteocytes are the most abundant cell type in bone. These unique cells act primarily as mechanosensors and play crucial roles in the functional adaptation of bone tissue. This review aims to summarize the recent microfluidic studies on mechanically stimulated osteocytes in regulating other cell types. RECENT FINDINGS Microfluidics is a powerful technology that has been widely employed in recent years. With the advantages of microfluidic platforms, researchers can mimic multicellular environments and integrate dynamic systems to study osteocyte regulation under mechanical stimulation. Microfluidic platforms have been developed to investigate mechanically stimulated osteocytes in the direct regulation of multiple cell types, including osteoclasts, osteoblasts, and cancer cells, and in the indirect regulation of cancer cells via endothelial cells. Overall, these microfluidic studies foster the development of treatment approaches targeting osteocytes under mechanical stimulation.
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Affiliation(s)
- Chun-Yu Lin
- Institute of Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada
| | - Xin Song
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, Ontario, Canada
| | - Kimberly Seaman
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, Ontario, Canada
| | - Lidan You
- Institute of Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada.
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, Ontario, Canada.
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Choi EB, Agidigbi TS, Kang IS, Kim C. ERK Inhibition Increases RANKL-Induced Osteoclast Differentiation in RAW 264.7 Cells by Stimulating AMPK Activation and RANK Expression and Inhibiting Anti-Osteoclastogenic Factor Expression. Int J Mol Sci 2022; 23:13512. [PMID: 36362318 PMCID: PMC9656104 DOI: 10.3390/ijms232113512] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 10/20/2022] [Accepted: 10/30/2022] [Indexed: 08/13/2023] Open
Abstract
Bone absorption is necessary for the maintenance of bone homeostasis. An osteoclast (OC) is a monocyte-macrophage lineage cell that absorbs bone tissue. Extracellular signal-regulated kinases (ERKs) are known to play important roles in regulating OC growth and differentiation. In this study, we examined specific downstream signal pathways affected by ERK inhibition during OC differentiation. Our results showed that the ERK inhibitors PD98059 and U0126 increased receptor activator of NF-κB ligand (RANKL)-induced OC differentiation in RAW 264.7 cells, implying a negative role in OC differentiation. This is supported by the effect of ERK2-specific small interfering RNA on increasing OC differentiation. In contrast to our findings regarding the RAW 264.7 cells, the ERK inhibitors attenuated the differentiation of bone marrow-derived cells into OCs. The ERK inhibitors significantly increased the phosphorylation of adenosine 5'-monophosphate-activated protein kinase (AMPK) but not the activation of p38 MAPK, Lyn, and mTOR. In addition, while the ERK inhibition increased the expression of the RANKL receptor RANK, it decreased the expression of negative mediators of OC differentiation, such as interferon regulatory factor-8, B-cell lymphoma 6, and interferon-γ. These dichotomous effects of ERK inhibition suggest that while ERKs may play positive roles in bone marrow-derived cells, ERKs may also play negative regulatory roles in RAW 264.7 cells. These data provide important information for drug development utilizing ERK inhibitors in OC-related disease treatment.
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Affiliation(s)
- Eun-Bi Choi
- Laboratory for Leukocyte Signaling Research, Department of Pharmacology and Toxicology, College of Medicine, Inha University, Incheon 22212, Korea
- BK21 Program in Biomedical Science & Engineering, Inha University, Incheon 22212, Korea
| | - Taiwo Samuel Agidigbi
- Laboratory for Leukocyte Signaling Research, Department of Pharmacology and Toxicology, College of Medicine, Inha University, Incheon 22212, Korea
| | - In-Soon Kang
- Laboratory for Leukocyte Signaling Research, Department of Pharmacology and Toxicology, College of Medicine, Inha University, Incheon 22212, Korea
- BK21 Program in Biomedical Science & Engineering, Inha University, Incheon 22212, Korea
| | - Chaekyun Kim
- Laboratory for Leukocyte Signaling Research, Department of Pharmacology and Toxicology, College of Medicine, Inha University, Incheon 22212, Korea
- BK21 Program in Biomedical Science & Engineering, Inha University, Incheon 22212, Korea
- Convergent Research Center for Metabolism and Immunoregulation, Inha University, Incheon 22212, Korea
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Nadine S, Fernandes I, Patrício SG, Correia CR, Mano JF. Liquefied Microcapsules Compartmentalizing Macrophages and Umbilical Cord-Derived Cells for Bone Tissue Engineering. Adv Healthc Mater 2022; 11:e2200651. [PMID: 35904030 DOI: 10.1002/adhm.202200651] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 07/22/2022] [Indexed: 01/28/2023]
Abstract
Extraordinary capabilities underlie the potential use of immune cells, particularly macrophages, in bone tissue engineering. Indeed, the depletion of macrophages during bone repair often culminates in disease scenarios. Inspired by the native dynamics between immune and skeletal systems, this work proposes a straightforward in vitro method to bioengineer biomimetic bone niches using biological waste. For that, liquefied and semipermeable reservoirs generated by electrohydrodynamic atomization and layer-by-layer techniques are developed to coculture umbilical cord-derived human cells, namely monocyte-derived macrophages, mesenchymal-derived stromal cells (MSCs), and human umbilical vein endothelial cells (HUVECs). Poly(ε-caprolactone) microparticles are also added to the liquefied core to act as cell carriers. The fabricated microcapsules grant the successful development of viable microtissues, ensuring the high diffusion of bioactive factors. Interestingly, macrophages within the bioengineered microcapsules increase the release of osteocalcin, osteoprotegerin, and vascular endothelial growth factor. The cytokines profile variation indicates macrophages' polarization into a prohealing phenotype. Altogether, the incorporation of macrophages within the fabricated microcapsules allows to recreate an appropriate bone microenvironment for developing new bone mineralized microtissues. The proposed bioencapsulation protocol is a powerful self-regulated system, which might find great applicability in bone tissue engineering based on bottom-up approaches or disease modeling.
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Affiliation(s)
- Sara Nadine
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, Aveiro, 3810-193, Portugal
| | - Inês Fernandes
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, Aveiro, 3810-193, Portugal
| | - Sónia G Patrício
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, Aveiro, 3810-193, Portugal
| | - Clara R Correia
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, Aveiro, 3810-193, Portugal
| | - João F Mano
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, Aveiro, 3810-193, Portugal
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11
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Interleukin-17 promotes osteoclastogenesis and periodontal damage via autophagy in vitro and in vivo. Int Immunopharmacol 2022; 107:108631. [PMID: 35219162 DOI: 10.1016/j.intimp.2022.108631] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 02/11/2022] [Accepted: 02/13/2022] [Indexed: 12/22/2022]
Abstract
OBJECTIVE Because of its potent pro-inflammatory properties, interleukin-17 (IL-17) contributes to the pathogenesis of various inflammatory diseases. This study explored the effects of IL-17 on osteoclastogenesis in an osteoclast monoculture and osteoblast-osteoclast co-culture system, as tools to investigate the molecular mechanisms underlying the interactions between osteoclastogenesis and autophagy. METHODS Various ratios of calvarial osteoblasts (OB) and osteoclast precursor cells (mouse macrophage cell line RAW264.7, hereinafter referred to as OC) were tested. Tartrate-resistant acid phosphatase (TRAP) staining was used to detect the optimum osteoblasts:osteoclasts ratio. IL-17 was added to the co-culture system to test its effects on multinucleated osteoclast formation and osteoclast-related proteins. We assessed the effects of IL-17 on receptor activator of nuclear factor-kappa B ligand (RANKL) expression in osteoblasts, and determined if IL-17 alone could modulate osteoclast formation in an osteoclast monoculture. Administration of exogenous RANKL combined with IL-17 was employed to stimulate RAW264.7 cells osteoclastogenesis and to determine production of osteoclasts and autophagy-related proteins. We knocked down Beclin1 expression in RAW264.7 cells and examined the expression of autophagy-related and osteoclast-related proteins in RAW264.7 cells and the co-culture system, and the TAK1-binding protein 3 (TAB3)/ extracellular signal regulated kinase (ERK) pathway. RESULTS A ratio of 20 OB : 1 OC yielded the highest rate of osteoclast formation. Low IL-17 concentrations increased osteoclastogenesis in co-cultures significantly, but high levels of IL-17 had the opposite effect. IL-17 alone could not induce formation of TRAP+ multinucleated cells in RAW264.7 cells. Low IL-17 concentrations promoted osteoclast differentiation and autophagy in RAW264.7 cells induced by exogenous RANKL, but high IL-17 concentrations inhibited this process. Knockdown of Beclin1 reversed the enhanced effects of 0.1 ng/mL IL-17 on osteoclastogenesis and autophagy in RAW264.7 cells. The TAB3/ERK pathway was also blocked after autophagy inhibition. CONCLUSION In the co-culture model used in this study, a ratio of 20 OB:1 OC proved to be the optimal ratio to facilitate osteoclast formation. IL-17 regulated RANKL-induced osteoclastogenesis via autophagy. The Beclin1/TAB3/ERK pathway was involved in osteoclast autophagy.
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12
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Bone Regeneration and Oxidative Stress: An Updated Overview. Antioxidants (Basel) 2022; 11:antiox11020318. [PMID: 35204201 PMCID: PMC8868092 DOI: 10.3390/antiox11020318] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Revised: 01/27/2022] [Accepted: 02/02/2022] [Indexed: 11/17/2022] Open
Abstract
Bone tissue engineering is a complex domain that requires further investigation and benefits from data obtained over past decades. The models are increasing in complexity as they reveal new data from co-culturing and microfluidics applications. The in vitro models now focus on the 3D medium co-culturing of osteoblasts, osteoclasts, and osteocytes utilizing collagen for separation; this type of research allows for controlled medium and in-depth data analysis. Oxidative stress takes a toll on the domain, being beneficial as well as destructive. Reactive oxygen species (ROS) are molecules that influence the differentiation of osteoclasts, but over time their increasing presence can affect patients and aid the appearance of diseases such as osteoporosis. Oxidative stress can be limited by using antioxidants such as vitamin K and N-acetyl cysteine (NAC). Scaffolds and biocompatible coatings such as hydroxyapatite and bioactive glass are required to isolate the implant, protect the zone from the metallic, ionic exchange, and enhance the bone regeneration by mimicking the composition and structure of the body, thus enhancing cell proliferation. The materials can be further functionalized with growth factors that create a better response and higher chances of success for clinical use. This review highlights the vast majority of newly obtained information regarding bone tissue engineering, such as new co-culturing models, implant coatings, scaffolds, biomolecules, and the techniques utilized to obtain them.
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Pinho LC, Alves MM, Colaço B, Fernandes MH, Santos C. Green-Synthesized Magnesium Hydroxide Nanoparticles Induced Osteoblastic Differentiation in Bone Co-Cultured Cells. Pharmaceuticals (Basel) 2021; 14:ph14121281. [PMID: 34959683 PMCID: PMC8704631 DOI: 10.3390/ph14121281] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 12/01/2021] [Accepted: 12/02/2021] [Indexed: 01/04/2023] Open
Abstract
In this work, magnesium hydroxide NPs were synthesized using water (Mg(OH)2 NPs) or a rose hip (RH) extract (Mg(OH)2RH NPs) and tested for the bone cells’ effects in co-cultured osteoblastic and osteoclastic cells, using a Transwell® insert system, allowing reciprocal cell paracrine interactions. Behavior of each cell population was characterized for typical phenotype markers, at days 1 and 6. Cell cultures treated with osteogenic/osteoclastogenic inducers were used as positive control of cell differentiation. The NPs presented a round shape morphology with an average diameter ~90 nm (Mg(OH)2 NPs) and below 10 nm (Mg(OH)2RH NPs. Both NPs induced osteoblastic and osteoclastic behavior similarly to that observed in induced osteoblastic and osteoclastic cultures (positive controls). Differences between the two types of particles were evident at the gene expression level. Compared to Mg(OH)2 NPs, the green-synthesized NPs greatly increased the expression of osteoblastic genes coding for the early markers ALP and collagen type 1 and the later transcription factor osterix, while decreasing the expression of osteoclastogenic genes, namely the essential transcription factor NFATC1, TRAP and the genes coding for the functional markers CA2 and CTSK. Overall, a positive added effect could be hypothesized for Mg(OH)2RH NPs with potential usefulness to promote bone formation in regenerative applications.
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Affiliation(s)
- Laura Costa Pinho
- Department of Animal Science, University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal;
- Laboratory for Bone Metabolism and Regeneration, Faculty of Dental Medicine, University of Porto, 4200-393 Porto, Portugal;
- Correspondence: (L.C.P.); (C.S.)
| | - Marta M. Alves
- CQE Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal;
| | - Bruno Colaço
- Department of Animal Science, University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal;
- LAQV/Requimte, University of Porto, 4100-007 Porto, Portugal
- CECAV—Animal and Veterinary Research Centre UTAD, University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal
| | - Maria Helena Fernandes
- Laboratory for Bone Metabolism and Regeneration, Faculty of Dental Medicine, University of Porto, 4200-393 Porto, Portugal;
- LAQV/Requimte, University of Porto, 4100-007 Porto, Portugal
| | - Catarina Santos
- EST Setúbal, CDP2T, Instituto Politécnico de Setúbal, Campus IPS, 2910-761 Setúbal, Portugal
- Correspondence: (L.C.P.); (C.S.)
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Modi U, Makwana P, Vasita R. Molecular insights of metastasis and cancer progression derived using 3D cancer spheroid co-culture in vitro platform. Crit Rev Oncol Hematol 2021; 168:103511. [PMID: 34740822 DOI: 10.1016/j.critrevonc.2021.103511] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2021] [Revised: 10/26/2021] [Accepted: 10/26/2021] [Indexed: 02/06/2023] Open
Abstract
The multistep metastasis process is carried out by the combinatorial effect of the stromal cells and the cancerous cells and plays vital role in the cancer progression. The scaffold/physical cues aided 3D cancer spheroid imitates the spatiotemporal organization and physiological properties of the tumor. Understanding the role of the key players in different stages of metastasis, the molecular cross-talk between the stromal cells and the cancer cells contributing in the advancement of the metastasis through 3D cancer spheroid co-culture in vitro platform is the center of discussion in the present review. This state-of-art in vitro platform utilized to study the cancer cell host defence and the role of exosomes in the cross talk leading to cancer progression has been critically examined here. 3D cancer spheroid co-culture technique is the promising next-generation in vitro approach for exploring potent treatments and personalized medicines to combat cancer metastasis leading to cancer progression.
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Affiliation(s)
- Unnati Modi
- Biomaterials & Biomimetics Laboratory, School of Life Sciences, Central University of Gujarat, Gandhinagar, India
| | - Pooja Makwana
- Biomaterials & Biomimetics Laboratory, School of Life Sciences, Central University of Gujarat, Gandhinagar, India
| | - Rajesh Vasita
- Biomaterials & Biomimetics Laboratory, School of Life Sciences, Central University of Gujarat, Gandhinagar, India.
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Costard LS, Hosn RR, Ramanayake H, O'Brien FJ, Curtin CM. Influences of the 3D microenvironment on cancer cell behaviour and treatment responsiveness: A recent update on lung, breast and prostate cancer models. Acta Biomater 2021; 132:360-378. [PMID: 33484910 DOI: 10.1016/j.actbio.2021.01.023] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 01/13/2021] [Accepted: 01/14/2021] [Indexed: 12/21/2022]
Abstract
The majority of in vitro studies assessing cancer treatments are performed in two-dimensional (2D) monolayers and are subsequently validated in in vivo animal models. However, 2D models fail to accurately model the tumour microenvironment. Furthermore, animal models are not directly applicable to mimic the human scenario. Three-dimensional (3D) culture models may help to address the discrepancies of 2D and animal models. When cancer cells escape the primary tumour, they can invade at distant organs building secondary tumours, called metastasis. The development of metastasis leads to a dramatic decrease in the life expectancy of patients. Therefore, 3D systems to model the microenvironment of metastasis have also been developed. Several studies have demonstrated changes in cell behaviour and gene expression when cells are cultured in 3D compared to 2D and concluded a better comparability to cells in vivo. Of special importance is the effect seen in response to anti-cancer treatments as models are built primarily to serve as drug-testing platforms. This review highlights these changes between cancer cells grown in 2D and 3D models for some of the most common cancers including lung, breast and prostate tumours. In addition to models aiming to mimic the primary tumour site, the effects of 3D cell culturing in bone metastasis models are also described. STATEMENT OF SIGNIFICANCE: Most in vitro studies in cancer research are performed in 2D and are subsequently validated in in vivo animal models. However, both models possess numerous limitations: 2D models fail to accurately model the tumour microenvironment while animal models are expensive, time-consuming and can differ considerably from humans. It is accepted that the cancer microenvironment plays a critical role in the disease, thus, 3D models have been proposed as a potential solution to address the discrepancies of 2D and animal models. This review highlights changes in cell behaviour, including proliferation, gene expression and chemosensitivity, between cancer cells grown in 2D and 3D models for some of the most common cancers including lung, breast and prostate cancer as well as bone metastasis.
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Mandatori D, Penolazzi L, Pelusi L, Lambertini E, Michelucci F, Porreca A, Cerritelli P, Pipino C, Di Iorio A, Bruni D, Di Nicola M, Buda R, Piva R, Pandolfi A. Three-Dimensional Co-Culture System of Human Osteoblasts and Osteoclast Precursors from Osteoporotic Patients as an Innovative Model to Study the Role of Nutrients: Focus on Vitamin K2. Nutrients 2021; 13:nu13082823. [PMID: 34444982 PMCID: PMC8399348 DOI: 10.3390/nu13082823] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 08/03/2021] [Accepted: 08/14/2021] [Indexed: 01/03/2023] Open
Abstract
Several natural compounds, such as vitamin K2, have been highlighted for their positive effects on bone metabolism. It has been proposed that skeletal disorders, such as osteoporosis, may benefit from vitamin K2-based therapies or its regular intake. However, further studies are needed to better clarify the effects of vitamin K2 in bone disorders. To this aim, we developed in vitro a three-dimensional (3D) cell culture system one step closer to the bone microenvironment based on co-culturing osteoblasts and osteoclasts precursors obtained from bone specimens and peripheral blood of the same osteoporotic patient, respectively. Such a 3-D co-culture system was more informative than the traditional 2-D cell cultures when responsiveness to vitamin K2 was analyzed, paving the way for data interpretation on single patients. Following this approach, the anabolic effects of vitamin K2 on the osteoblast counterpart were found to be correlated with bone turnover markers measured in osteoporotic patients’ sera. Overall, our data suggest that co-cultured osteoblasts and osteoclast precursors from the same osteoporotic patient may be suitable to generate an in vitro 3-D experimental model that potentially reflects the individual’s bone metabolism and may be useful to predict personal responsiveness to nutraceutical or drug molecules designed to positively affect bone health.
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Affiliation(s)
- Domitilla Mandatori
- Department of Medical, Oral and Biotechnological Sciences, University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy; (D.M.); (L.P.); (A.P.); (C.P.); (M.D.N.)
- Center for Advanced Studies and Technology (C.A.S.T.), University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy
| | - Letizia Penolazzi
- Department of Neuroscience and Rehabilitation, University of Ferrara, 44121 Ferrara, Italy; (L.P.); (E.L.)
| | - Letizia Pelusi
- Department of Medical, Oral and Biotechnological Sciences, University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy; (D.M.); (L.P.); (A.P.); (C.P.); (M.D.N.)
- Center for Advanced Studies and Technology (C.A.S.T.), University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy
| | - Elisabetta Lambertini
- Department of Neuroscience and Rehabilitation, University of Ferrara, 44121 Ferrara, Italy; (L.P.); (E.L.)
| | - Francesca Michelucci
- Department of Medicine and Aging Sciences, University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy; (F.M.); (P.C.); (A.D.I.); (D.B.); (R.B.)
| | - Annamaria Porreca
- Department of Medical, Oral and Biotechnological Sciences, University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy; (D.M.); (L.P.); (A.P.); (C.P.); (M.D.N.)
| | - Pietro Cerritelli
- Department of Medicine and Aging Sciences, University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy; (F.M.); (P.C.); (A.D.I.); (D.B.); (R.B.)
| | - Caterina Pipino
- Department of Medical, Oral and Biotechnological Sciences, University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy; (D.M.); (L.P.); (A.P.); (C.P.); (M.D.N.)
- Center for Advanced Studies and Technology (C.A.S.T.), University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy
| | - Angelo Di Iorio
- Department of Medicine and Aging Sciences, University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy; (F.M.); (P.C.); (A.D.I.); (D.B.); (R.B.)
| | - Danilo Bruni
- Department of Medicine and Aging Sciences, University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy; (F.M.); (P.C.); (A.D.I.); (D.B.); (R.B.)
| | - Marta Di Nicola
- Department of Medical, Oral and Biotechnological Sciences, University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy; (D.M.); (L.P.); (A.P.); (C.P.); (M.D.N.)
| | - Roberto Buda
- Department of Medicine and Aging Sciences, University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy; (F.M.); (P.C.); (A.D.I.); (D.B.); (R.B.)
| | - Roberta Piva
- Department of Neuroscience and Rehabilitation, University of Ferrara, 44121 Ferrara, Italy; (L.P.); (E.L.)
- Correspondence: (R.P.); (A.P.); Tel.: +39-0532-974405 (R.P.); +39-0871-541425 (A.P.)
| | - Assunta Pandolfi
- Department of Medical, Oral and Biotechnological Sciences, University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy; (D.M.); (L.P.); (A.P.); (C.P.); (M.D.N.)
- Center for Advanced Studies and Technology (C.A.S.T.), University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy
- Correspondence: (R.P.); (A.P.); Tel.: +39-0532-974405 (R.P.); +39-0871-541425 (A.P.)
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Bernhardt A, Skottke J, von Witzleben M, Gelinsky M. Triple Culture of Primary Human Osteoblasts, Osteoclasts and Osteocytes as an In Vitro Bone Model. Int J Mol Sci 2021; 22:7316. [PMID: 34298935 PMCID: PMC8307867 DOI: 10.3390/ijms22147316] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 07/02/2021] [Accepted: 07/05/2021] [Indexed: 01/12/2023] Open
Abstract
In vitro evaluation of bone graft materials is generally performed by analyzing the interaction with osteoblasts or osteoblast precursors. In vitro bone models comprising different cell species can give specific first information on the performance of those materials. In the present study, a 3D co-culture model was established comprising primary human osteoblasts, osteoclasts and osteocytes. Osteocytes were differentiated from osteoblasts embedded in collagen gels and were cultivated with osteoblast and osteoclasts seeded in patterns on a porous membrane. This experimental setup allowed paracrine signaling as well as separation of the different cell types for final analysis. After 7 days of co-culture, the three cell species showed their typical morphology and gene expression of typical markers like ALPL, BSPII, BLGAP, E11, PHEX, MEPE, RANKL, ACP5, CAII and CTSK. Furthermore, relevant enzyme activities for osteoblasts (ALP) and osteoclasts (TRAP, CTSK, CAII) were detected. Osteoclasts in triple culture showed downregulated TRAP (ACP5) and CAII expression and decreased TRAP activity. ALP and BSPII expression of osteoblasts in triple culture were upregulated. The expression of the osteocyte marker E11 (PDPN) was unchanged; however, osteocalcin (BGLAP) expression was considerably downregulated both in osteoblasts and osteocytes in triple cultures compared to the respective single cultures.
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Affiliation(s)
- Anne Bernhardt
- Centre for Translational Bone, Joint- and Soft Tissue Research, Medical Faculty and University Hospital, Technische Universität Dresden, D-01307 Dresden, Germany; (J.S.); (M.v.W.); (M.G.)
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Suna PA, Cengız O, Ceyhan A, Atay E, Ertekin T, Nısarı M, Yay A. The protective role of curcumin against toxic effect of nonylphenol on bone development. Hum Exp Toxicol 2021; 40:S63-S76. [PMID: 34219512 DOI: 10.1177/09603271211030548] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
INTRODUCTION In the study, it was aimed to investigate the possible protective effects of curcumin, a potent antioxidant, against the toxic effect of nonylphenol on bone development. METHODS Thirty pregnant female Wistar albino rats were used. The rats were randomly divided into the following five groups; the control group, corn oil group (150 µl/kg/day), nonylphenol group (50 µl/kg/day), curcumin group (100 mg/kg/day) and curcumin + nonylphenol group (100 mg/kg/day + 50 µl/kg/day). The doses were given by gavage from the 5th day to the 20th day of gestation. The fetuses were removed out on the 20th day of pregnancy by cesarean at the end of the study. After the sacrifice of the animals, double skeletal staining in front extremity (clavicula, scapula, humerus, radius, ulna) and hind extremity (femur, tibia, fibula), additionally histological and immunohistochemical examinations in femur bone were performed. RESULTS The nonylphenol group offspring have the lowest weights of fetuses and placenta, head-to-hip lengths, biparietal and occipitofrontal length, and also, bone length percentage and percentage of the ossification area in all measurements of the front extremity and hind extremity Interestingly, the groups treated with curcumin showed close to the control group in terms of double skeletal staining, histological, and immunohistochemical examinations. CONCLUSIONS Our findings demonstrated an association between bone development and exposure to nonylphenol. The findings suggest that curcumin treatments may be effective in accelerating bone formation.
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Affiliation(s)
- P Alısan Suna
- Department of Histology and Embryology, Erciyes University, Faculty of Medicine, Kayseri, Turkey
| | - O Cengız
- Department of Histology and Embryology, Erciyes University, Faculty of Medicine, Kayseri, Turkey
| | - A Ceyhan
- Department of Histology and Embryology, Erciyes University, Faculty of Medicine, Kayseri, Turkey.,Tokat Health Services Vocational School/Medical Services and Techniques Department, Tokat Gaziosmanpaşa University, Tokat, Turkey
| | - E Atay
- Department of Anatomy, Medicine Faculty, Afyonkarahisar Health Sciences University, Afyonkarahisar, Turkey
| | - T Ertekin
- Department of Anatomy, Medicine Faculty, Afyonkarahisar Health Sciences University, Afyonkarahisar, Turkey
| | - M Nısarı
- Department of Anatomy, Erciyes University, Faculty of Medicine, Kayseri, Turkey
| | - A Yay
- Department of Histology and Embryology, Erciyes University, Faculty of Medicine, Kayseri, Turkey.,Genome and Stem Cell Center (GENKOK), Erciyes University, Kayseri, Turkey
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Iordachescu A, Hughes EAB, Joseph S, Hill EJ, Grover LM, Metcalfe AD. Trabecular bone organoids: a micron-scale 'humanised' prototype designed to study the effects of microgravity and degeneration. NPJ Microgravity 2021; 7:17. [PMID: 34021163 PMCID: PMC8140135 DOI: 10.1038/s41526-021-00146-8] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Accepted: 04/25/2021] [Indexed: 11/20/2022] Open
Abstract
Bone is a highly responsive organ, which continuously adapts to the environment it is subjected to in order to withstand metabolic demands. These events are difficult to study in this particular tissue in vivo, due to its rigid, mineralised structure and inaccessibility of the cellular component located within. This manuscript presents the development of a micron-scale bone organoid prototype, a concept that can allow the study of bone processes at the cell-tissue interface. The model is constructed with a combination of primary female osteoblastic and osteoclastic cells, seeded onto femoral head micro-trabeculae, where they recapitulate relevant phenotypes and functions. Subsequently, constructs are inserted into a simulated microgravity bioreactor (NASA-Synthecon) to model a pathological state of reduced mechanical stimulation. In these constructs, we detected osteoclastic bone resorption sites, which were different in morphology in the simulated microgravity group compared to static controls. Once encapsulated in human fibrin and exposed to analogue microgravity for 5 days, masses of bone can be observed being lost from the initial structure, allowing to simulate the bone loss process further. Constructs can function as multicellular, organotypic units. Large osteocytic projections and tubular structures develop from the initial construct into the matrix at the millimetre scale. Micron-level fragments from the initial bone structure are detected travelling along these tubules and carried to sites distant from the native structure, where new matrix formation is initiated. We believe this model allows the study of fine-level physiological processes, which can shed light into pathological bone loss and imbalances in bone remodelling.
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Affiliation(s)
- Alexandra Iordachescu
- School of Chemical Engineering, University of Birmingham, Edgbaston, Birmingham, UK.
- Healthcare Technologies Institute, University of Birmingham, Edgbaston, Birmingham, UK.
| | - Erik A B Hughes
- School of Chemical Engineering, University of Birmingham, Edgbaston, Birmingham, UK
- Healthcare Technologies Institute, University of Birmingham, Edgbaston, Birmingham, UK
| | - Stephan Joseph
- School of Chemical Engineering, University of Birmingham, Edgbaston, Birmingham, UK
- The Binding Site, Edgbaston, Birmingham, UK
| | - Eric J Hill
- School of Biosciences, College of Health and Life Sciences, Aston University, Birmingham, UK
| | - Liam M Grover
- School of Chemical Engineering, University of Birmingham, Edgbaston, Birmingham, UK
- Healthcare Technologies Institute, University of Birmingham, Edgbaston, Birmingham, UK
| | - Anthony D Metcalfe
- School of Chemical Engineering, University of Birmingham, Edgbaston, Birmingham, UK
- Healthcare Technologies Institute, University of Birmingham, Edgbaston, Birmingham, UK
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Sheng B, Li X, Nussler AK, Zhu S. The relationship between healthy lifestyles and bone health: A narrative review. Medicine (Baltimore) 2021; 100:e24684. [PMID: 33663079 PMCID: PMC7909112 DOI: 10.1097/md.0000000000024684] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Accepted: 01/14/2021] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND Bone health, especially osteoporosis among ageing populations, has become an important topic for both clinical and basic researchers. The relationship between bone health and healthy lifestyles has been frequently discussed. The present study focuses on the relationship between bone health and healthy lifestyles among older adults, based on a global comparison. METHODS This narrative review was performed by collecting clinical trials, basic research and reviews on lifestyle and bone health in PubMed database. RESULTS Positive effects of physical activity and negative effects of malnutrition, alcohol abuse, and cigarette smoking on bone health were revealed. The relationship between bone health and drinking coffee and tea is still inconclusive. Moreover, the diversity of each region should be aware when considering healthy lifestyles to improve bone health. CONCLUSION Healthy lifestyles are highly related to bone health, and different lifestyles may have different influences on regions with a high risk of bone diseases. It is practical to acknowledge the diversity of economic, religious, environmental and geological conditions in each region when providing suitable and effective recommendations for healthy lifestyles that can improve overall bone health.
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Affiliation(s)
- Bin Sheng
- The First Affiliated Hospital of Hunan Normal University, Hunan Provincial People's Hospital, Changsha, PR China
| | - Xin Li
- The First Affiliated Hospital of Hunan Normal University, Hunan Provincial People's Hospital, Changsha, PR China
| | - Andreas K. Nussler
- Siegfried Weller Institute for Trauma Research, Eberhard Karls University Tuebingen, Department of Trauma and Reconstructive Surgery, BG Trauma Center Tuebingen, Tuebingen, Germany
| | - Sheng Zhu
- Siegfried Weller Institute for Trauma Research, Eberhard Karls University Tuebingen, Department of Trauma and Reconstructive Surgery, BG Trauma Center Tuebingen, Tuebingen, Germany
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Zhu S, Häussling V, Aspera-Werz RH, Chen T, Braun B, Weng W, Histing T, Nussler AK. Bisphosphonates Reduce Smoking-Induced Osteoporotic-Like Alterations by Regulating RANKL/OPG in an Osteoblast and Osteoclast Co-Culture Model. Int J Mol Sci 2020; 22:ijms22010053. [PMID: 33374546 PMCID: PMC7793101 DOI: 10.3390/ijms22010053] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Accepted: 12/21/2020] [Indexed: 02/07/2023] Open
Abstract
Co-culture models have become mandatory for obtaining better insights into bone homeostasis, which relies on the balance between osteoblasts and osteoclasts. Cigarette smoking (CS) has been proven to increase the risk of osteoporosis; however, there is currently no proven treatment for osteoporosis in smokers excluding cessation. Bisphosphonates (BPs) are classical anti-osteoclastic drugs that are commonly used in examining the suitability of bone co-culture systems in vitro as well as to verify the response to osteoporotic stimuli. In the present study, we tested the effects of BPs on cigarette smoke extract (CSE)-affected cells in the co-culture of osteoblasts and osteoclasts. Our results showed that BPs were able to reduce CSE-induced osteoporotic alterations in the co-culture of osteoblasts and osteoclasts such as decreased matrix remodeling, enhanced osteoclast activation, and an up-regulated receptor activator of nuclear factor (NF)-kB-ligand (RANKL)/osteoprotegerin (OPG) ratio. In summary, BPs may be an effective alternative therapy for reversing osteoporotic alterations in smokers, and the potential mechanism is through modulation of the RANKL/OPG ratio.
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Hemocyanin Modification of Chitosan Scaffolds with Calcium Phosphate Phases Increase the Osteoblast/Osteoclast Activity Ratio-A Co-Culture Study. Molecules 2020; 25:molecules25194580. [PMID: 33036488 PMCID: PMC7582980 DOI: 10.3390/molecules25194580] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 10/02/2020] [Accepted: 10/07/2020] [Indexed: 12/02/2022] Open
Abstract
The ongoing research on biomaterials that support bone regeneration led to the quest for materials or material modifications that can actively influence the activity or balance of bone tissue cells. The bone biocompatibility of porous chitosan scaffolds was modified in the present study by the addition of calcium phosphates or hemocyanin. The first strategy comprised the incorporation of calcium phosphates into chitosan to create a biomimetic chitosan—mineral phase composite. The second strategy comprised dip-coating of chitosan scaffolds with hemocyanin extracted from crayfish hemolymph. The cytocompatibility was assessed in a mono-culture of human bone marrow stromal cells (hBMSCs) and their differentiation to osteoblasts; in a mono-culture of human monocytes (hMs) and their maturation to osteoclasts; and in a co-culture of hBMSC/osteoblasts—hM/osteoclasts. Mineral incorporation caused an increase in scaffold bioactivity, as shown by reduced calcium concentration in the cell culture medium, delayed differentiation of hBMSCs, and reduced osteoclastic maturation of hMs in mono-culture. Dip-coating with hemocyanin led to increased proliferation of hBMSCs and equivalent osteoclast maturation in mono-culture, while in co-culture, both an inhibitory effect of mineral incorporation on osteoblastogenesis and stimulatory effects of hemocyanin were observed. It was concluded that highly bioactive scaffolds (containing mineral phases) restrain osteoblast and osteoclast development, while hemocyanin coating significantly supports osteoblastogenesis. These influences on the osteoblasts/osteoclasts activity ratio may support scaffold-driven bone healing in the future.
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Use of in vitro bone models to screen for altered bone metabolism, osteopathies, and fracture healing: challenges of complex models. Arch Toxicol 2020; 94:3937-3958. [PMID: 32910238 PMCID: PMC7655582 DOI: 10.1007/s00204-020-02906-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Accepted: 09/03/2020] [Indexed: 02/06/2023]
Abstract
Approx. every third hospitalized patient in Europe suffers from musculoskeletal injuries or diseases. Up to 20% of these patients need costly surgical revisions after delayed or impaired fracture healing. Reasons for this are the severity of the trauma, individual factors, e.g, the patients’ age, individual lifestyle, chronic diseases, medication, and, over 70 diseases that negatively affect the bone quality. To investigate the various disease constellations and/or develop new treatment strategies, many in vivo, ex vivo, and in vitro models can be applied. Analyzing these various models more closely, it is obvious that many of them have limits and/or restrictions. Undoubtedly, in vivo models most completely represent the biological situation. Besides possible species-specific differences, ethical concerns may question the use of in vivo models especially for large screening approaches. Challenging whether ex vivo or in vitro bone models can be used as an adequate replacement for such screenings, we here summarize the advantages and challenges of frequently used ex vivo and in vitro bone models to study disturbed bone metabolism and fracture healing. Using own examples, we discuss the common challenge of cell-specific normalization of data obtained from more complex in vitro models as one example of the analytical limits which lower the full potential of these complex model systems.
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24
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Vis MAM, Ito K, Hofmann S. Impact of Culture Medium on Cellular Interactions in in vitro Co-culture Systems. Front Bioeng Biotechnol 2020; 8:911. [PMID: 32850750 PMCID: PMC7417654 DOI: 10.3389/fbioe.2020.00911] [Citation(s) in RCA: 84] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Accepted: 07/15/2020] [Indexed: 12/24/2022] Open
Abstract
Co-culturing of cells in in vitro tissue models is widely used to study how they interact with each other. These models serve to represent a variety of processes in the human body such as development, homeostasis, regeneration, and disease. The success of a co-culture is dependent on a large number of factors which makes it a complex and ambiguous task. This review article addresses co-culturing challenges regarding the cell culture medium used in these models, in particular concerning medium composition, volume, and exchange. The effect of medium exchange on cells is often an overlooked topic but particularly important when cell communication via soluble factors and extracellular vesicles, the so-called cell secretome (CS) is being studied. Culture medium is regularly exchanged to supply new nutrients and to eliminate waste products produced by the cells. By removing medium, important CSs are also removed. After every medium change, the cells must thus restore their auto- and paracrine communication through these CSs. This review article will also discuss the possibility to integrate biosensors into co-cultures, in particular to provide real-time information regarding media composition. Overall, the manner in which culture medium is currently used will be re-evaluated. Provided examples will be on the subject of bone tissue engineering.
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Affiliation(s)
- Michelle A M Vis
- Orthopaedic Biomechanics, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, Netherlands.,Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, Netherlands
| | - Keita Ito
- Orthopaedic Biomechanics, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, Netherlands.,Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, Netherlands
| | - Sandra Hofmann
- Orthopaedic Biomechanics, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, Netherlands.,Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, Netherlands
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25
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Borciani G, Montalbano G, Baldini N, Cerqueni G, Vitale-Brovarone C, Ciapetti G. Co-culture systems of osteoblasts and osteoclasts: Simulating in vitro bone remodeling in regenerative approaches. Acta Biomater 2020; 108:22-45. [PMID: 32251782 DOI: 10.1016/j.actbio.2020.03.043] [Citation(s) in RCA: 86] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Revised: 03/20/2020] [Accepted: 03/30/2020] [Indexed: 02/08/2023]
Abstract
Bone is an extremely dynamic tissue, undergoing continuous remodeling for its whole lifetime, but its regeneration or augmentation due to bone loss or defects are not always easy to obtain. Bone tissue engineering (BTE) is a promising approach, and its success often relies on a "smart" scaffold, as a support to host and guide bone formation through bone cell precursors. Bone homeostasis is maintained by osteoblasts (OBs) and osteoclasts (OCs) within the basic multicellular unit, in a consecutive cycle of resorption and formation. Therefore, a functional scaffold should allow the best possible OB/OC cooperation for bone remodeling, as happens within the bone extracellular matrix in the body. In the present work OB/OC co-culture models, with and without scaffolds, are reviewed. These experimental systems are intended for different targets, including bone remodeling simulation, drug testing and the assessment of biomaterials and 3D scaffolds for BTE. As a consequence, several parameters, such as cell type, cell ratio, culture medium and inducers, culture times and setpoints, assay methods, etc. vary greatly. This review identifies and systematically reports the in vitro methods explored up to now, which, as they allow cellular communication, more closely resemble bone remodeling and/or the regeneration process in the framework of BTE. STATEMENT OF SIGNIFICANCE: Bone is a dynamic tissue under continuous remodeling, but spontaneous healing may fail in the case of excessive bone loss which often requires valid alternatives to conventional treatments to restore bone integrity, like bone tissue engineering (BTE). Pre-clinical evaluation of scaffolds for BTE requires in vitro testing where co-cultures combining innovative materials with osteoblasts (OBs) and osteoclasts (OCs) closely mimic the in vivo repair process. This review considers the direct and indirect OB/OC co-cultures relevant to BTE, from the early mouse-cell models to the recent bone regenerative systems. The co-culture modeling of bone microenvironment provides reliable information on bone cell cross-talk. Starting from improved knowledge on bone remodeling, bone disease mechanisms may be understood and new BTE solutions are designed.
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26
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The Role of miR-21 in Osteoblasts-Osteoclasts Coupling In Vitro. Cells 2020; 9:cells9020479. [PMID: 32093031 PMCID: PMC7072787 DOI: 10.3390/cells9020479] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2019] [Revised: 02/17/2020] [Accepted: 02/18/2020] [Indexed: 12/11/2022] Open
Abstract
MiR-21 is being gradually more and more recognized as a molecule regulating bone tissue homeostasis. However, its function is not fully understood due to the dual role of miR-21 on bone-forming and bone-resorbing cells. In this study, we investigated the impact of miR-21 inhibition on pre-osteoblastic cells differentiation and paracrine signaling towards pre-osteoclasts using indirect co-culture model of mouse pre-osteoblast (MC3T3) and pre-osteoclast (4B12) cell lines. The inhibition of miR-21 in MC3T3 cells (MC3T3inh21) modulated expression of genes encoding osteogenic markers including collagen type I (Coll-1), osteocalcin (Ocl), osteopontin (Opn), and runt-related transcription factor 2 (Runx-2). Inhibition of miR-21 in osteogenic cultures of MC3T3 also inflected the synthesis of OPN protein which is essential for proper mineralization of extracellular matrix (ECM) and anchoring osteoclasts to the bones. Furthermore, it was shown that in osteoblasts miR-21 regulates expression of factors that are vital for survival of pre-osteoclast, such as receptor activator of nuclear factor κB ligand (RANKL). The pre-osteoclast cultured with MC3T3inh21 cells was characterized by lowered expression of several markers associated with osteoclasts' differentiation, foremost tartrate-resistant acid phosphatase (Trap) but also receptor activator of nuclear factor-κB ligand (Rank), cathepsin K (Ctsk), carbonic anhydrase II (CaII), and matrix metalloproteinase (Mmp-9). Collectively, our data indicate that the inhibition of miR-21 in MC3T3 cells impairs the differentiation and ECM mineralization as well as influences paracrine signaling leading to decreased viability of pre-osteoclasts.
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27
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Zhou Y, Wang C, Si J, Wang B, Zhang D, Ding D, Zhang J, Wang H. Melatonin up-regulates bone marrow mesenchymal stem cells osteogenic action but suppresses their mediated osteoclastogenesis via MT 2 -inactivated NF-κB pathway. Br J Pharmacol 2020; 177:2106-2122. [PMID: 31900938 DOI: 10.1111/bph.14972] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2019] [Revised: 11/20/2019] [Accepted: 12/20/2019] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND AND PURPOSE Melatonin is a neurohormone involved in bone homeostasis. Melatonin directs bone remodelling and the role of bone marrow mesenchymal stem cells (BMMSCs) in the regulating melatonin-mediated bone formation-resorption balance remains undefined. EXPERIMENTAL APPROACH Osteoporosis models were established and bone tissue and serum were collected to test the effects of melatonin on bone homeostasis. Melatonin receptors were knocked down, the NF-κB signalling pathway and receptor activator of NF-κB ligand (RANKL) expression were investigated. Communication between bone marrow mesenchymal stem cells and osteoclasts was detected with direct-contact or indirect-contact system. KEY RESULTS Bone loss and microstructure disorder in mice were reversed after melatonin treatment, as a result of anabolic and anti-resorptive effects. In vitro, a physiological (low) concentration of melatonin promoted the bone marrow mesenchymal stem cells, osteogenic lineage commitment and extracellular mineralization but had no impact on extracellular matrix synthesis. After MT knockdown, especially MT2 , the positive effects of melatonin on osteogenesis were attenuated. The canonical NF-κB signalling pathway was the first discovered downstream signalling pathway after MT receptor activation and was found to be down-regulated by melatonin during osteogenesis. Melatonin suppressed BMMSC-mediated osteoclastogenesis by inhibiting RANKL production in BMMSCs and this effect only occurred when BMMSCs and osteoclast precursors were co-cultured in an indirect-contact manner. CONCLUSION AND IMPLICATIONS Our work suggests that melatonin plays a crucial role in bone balance, significantly accelerates the osteogenic differentiation of bone marrow mesenchymal stem cells by suppressing the MT2 -dependent NF-κB signalling pathway, and down-regulates osteoclastogenesis via RANKL paracrine secretion.
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Affiliation(s)
- Yi Zhou
- The Affiliated Stomatology Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of Oral Biomedical Research of Zhejiang Province, Hangzhou, China
| | - Chaowei Wang
- The Affiliated Stomatology Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of Oral Biomedical Research of Zhejiang Province, Hangzhou, China
| | - Jinyan Si
- The Affiliated Stomatology Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of Oral Biomedical Research of Zhejiang Province, Hangzhou, China
| | - Baixiang Wang
- The Affiliated Stomatology Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of Oral Biomedical Research of Zhejiang Province, Hangzhou, China
| | - Denghui Zhang
- The Affiliated Stomatology Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of Oral Biomedical Research of Zhejiang Province, Hangzhou, China
| | - Ding Ding
- The Affiliated Stomatology Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of Oral Biomedical Research of Zhejiang Province, Hangzhou, China
| | - Jian Zhang
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Huiming Wang
- The Affiliated Stomatology Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of Oral Biomedical Research of Zhejiang Province, Hangzhou, China
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28
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Hadida M, Marchat D. Strategy for achieving standardized bone models. Biotechnol Bioeng 2019; 117:251-271. [PMID: 31531968 PMCID: PMC6915912 DOI: 10.1002/bit.27171] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 09/05/2019] [Accepted: 09/06/2019] [Indexed: 12/24/2022]
Abstract
Reliably producing functional in vitro organ models, such as organ-on-chip systems, has the potential to considerably advance biology research, drug development time, and resource efficiency. However, despite the ongoing major progress in the field, three-dimensional bone tissue models remain elusive. In this review, we specifically investigate the control of perfusion flow effects as the missing link between isolated culture systems and scientifically exploitable bone models and propose a roadmap toward this goal.
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Affiliation(s)
- Mikhael Hadida
- Mines Saint-Etienne, Univ Lyon, Univ Jean Monnet, INSERM, U 1059 Sainbiose, Centre CIS, Saint-Etienne, France
| | - David Marchat
- Mines Saint-Etienne, Univ Lyon, Univ Jean Monnet, INSERM, U 1059 Sainbiose, Centre CIS, Saint-Etienne, France
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29
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Mitxitorena I, Infante A, Gener B, Rodríguez CI. Suitability and limitations of mesenchymal stem cells to elucidate human bone illness. World J Stem Cells 2019; 11:578-593. [PMID: 31616536 PMCID: PMC6789184 DOI: 10.4252/wjsc.v11.i9.578] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 07/31/2019] [Accepted: 08/27/2019] [Indexed: 02/06/2023] Open
Abstract
Functional impairment of mesenchymal stem cells (MSCs), osteoblast progenitor cells, has been proposed to be a pathological mechanism contributing to bone disorders, such as osteoporosis (the most common bone disease) and other rare inherited skeletal dysplasias. Pathological bone loss can be caused not only by an enhanced bone resorption activity but also by hampered osteogenic differentiation of MSCs. The majority of the current treatment options counteract bone loss, and therefore bone fragility by blocking bone resorption. These so-called antiresorptive treatments, in spite of being effective at reducing fracture risk, cannot be administered for extended periods due to security concerns. Therefore, there is a real need to develop osteoanabolic therapies to promote bone formation. Human MSCs emerge as a suitable tool to study the etiology of bone disorders at the cellular level as well as to be used for cell therapy purposes for bone diseases. This review will focus on the most relevant findings using human MSCs as an in vitro cell model to unravel pathological bone mechanisms and the application and outcomes of human MSCs in cell therapy clinical trials for bone disease.
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Affiliation(s)
- Izaskun Mitxitorena
- Stem Cells and Cell Therapy Laboratory, Biocruces Bizkaia Health Research Institute, Cruces University Hospital, Barakaldo 48903, Bizkaia, Spain
| | - Arantza Infante
- Stem Cells and Cell Therapy Laboratory, Biocruces Bizkaia Health Research Institute, Cruces University Hospital, Barakaldo 48903, Bizkaia, Spain
| | - Blanca Gener
- Stem Cells and Cell Therapy Laboratory, Biocruces Bizkaia Health Research Institute, Cruces University Hospital, Barakaldo 48903, Bizkaia, Spain
- Service of Genetics, Biocruces Bizkaia Health Research Institute, Cruces University Hospital, Barakaldo 48903, Bizkaia, Spain
- Centre for Biomedical Network Research on Rare Diseases, Instituto de Salud Carlos III, Madrid 28005, Spain
| | - Clara I Rodríguez
- Stem Cells and Cell Therapy Laboratory, Biocruces Bizkaia Health Research Institute, Cruces University Hospital, Barakaldo 48903, Bizkaia, Spain
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30
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The combination of local infiltration analgesia reagents increases their detrimental effect on human hip OA patient osteoblast viability and function. J Orthop 2019; 16:434-439. [PMID: 31516213 DOI: 10.1016/j.jor.2019.06.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Accepted: 06/09/2019] [Indexed: 11/23/2022] Open
Abstract
The purpose was to evaluate the effect of Local infiltration analgesia (LIA) reagents in monotherapy and in combinations at clinical doses, on the viability and function of osteoblasts isolated from hip OA patients undergoing orthopaedic surgery. Human hip OA osteoblasts were exposed to LIA reagents including Bupivacaine, Lidocaine, Ropivacaine, Ketorolac and combinations with Adrenaline for 30 min. Osteoblast cellular viability and function was determined at 24 h and 7 days post-exposure. In conclusion, our data shows that LIA reagents, most notably Bupivacaine and its use in combination, are detrimental to human hip OA osteoblasts at concentrations advocated for clinical use.
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31
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Reactive Oxygen Species in Osteoclast Differentiation and Possible Pharmaceutical Targets of ROS-Mediated Osteoclast Diseases. Int J Mol Sci 2019; 20:ijms20143576. [PMID: 31336616 PMCID: PMC6678498 DOI: 10.3390/ijms20143576] [Citation(s) in RCA: 255] [Impact Index Per Article: 51.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2019] [Revised: 07/19/2019] [Accepted: 07/21/2019] [Indexed: 12/18/2022] Open
Abstract
Reactive oxygen species (ROS) and free radicals are essential for transmission of cell signals and other physiological functions. However, excessive amounts of ROS can cause cellular imbalance in reduction–oxidation reactions and disrupt normal biological functions, leading to oxidative stress, a condition known to be responsible for the development of several diseases. The biphasic role of ROS in cellular functions has been a target of pharmacological research. Osteoclasts are derived from hematopoietic progenitors in the bone and are essential for skeletal growth and remodeling, for the maintenance of bone architecture throughout lifespan, and for calcium metabolism during bone homeostasis. ROS, including superoxide ion (O2−) and hydrogen peroxide (H2O2), are important components that regulate the differentiation of osteoclasts. Under normal physiological conditions, ROS produced by osteoclasts stimulate and facilitate resorption of bone tissue. Thus, elucidating the effects of ROS during osteoclast differentiation is important when studying diseases associated with bone resorption such as osteoporosis. This review examines the effect of ROS on osteoclast differentiation and the efficacy of novel chemical compounds with therapeutic potential for osteoclast related diseases.
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32
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Silva AM, Moura SR, Teixeira JH, Barbosa MA, Santos SG, Almeida MI. Long noncoding RNAs: a missing link in osteoporosis. Bone Res 2019; 7:10. [PMID: 30937214 PMCID: PMC6437190 DOI: 10.1038/s41413-019-0048-9] [Citation(s) in RCA: 69] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Revised: 02/19/2019] [Accepted: 02/25/2019] [Indexed: 02/07/2023] Open
Abstract
Osteoporosis is a systemic disease that results in loss of bone density and increased fracture risk, particularly in the vertebrae and the hip. This condition and associated morbidity and mortality increase with population ageing. Long noncoding (lnc) RNAs are transcripts longer than 200 nucleotides that are not translated into proteins, but play important regulatory roles in transcriptional and post-transcriptional regulation. Their contribution to disease onset and development is increasingly recognized. Herein, we present an integrative revision on the studies that implicate lncRNAs in osteoporosis and that support their potential use as therapeutic tools. Firstly, current evidence on lncRNAs involvement in cellular and molecular mechanisms linked to osteoporosis and its major complication, fragility fractures, is reviewed. We analyze evidence of their roles in osteogenesis, osteoclastogenesis, and bone fracture healing events from human and animal model studies. Secondly, the potential of lncRNAs alterations at genetic and transcriptomic level are discussed as osteoporosis risk factors and as new circulating biomarkers for diagnosis. Finally, we conclude debating the possibilities, persisting difficulties, and future prospects of using lncRNAs in the treatment of osteoporosis.
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Affiliation(s)
- Andreia Machado Silva
- i3S—Instituto de Investigação e Inovação em Saúde, University of Porto, Porto, Portugal
- INEB—Instituto de Engenharia Biomédica, University of Porto, Porto, Portugal
| | - Sara Reis Moura
- i3S—Instituto de Investigação e Inovação em Saúde, University of Porto, Porto, Portugal
- INEB—Instituto de Engenharia Biomédica, University of Porto, Porto, Portugal
| | - José Henrique Teixeira
- i3S—Instituto de Investigação e Inovação em Saúde, University of Porto, Porto, Portugal
- INEB—Instituto de Engenharia Biomédica, University of Porto, Porto, Portugal
- ICBAS—Instituto de Ciências Biomédicas Abel Salazar, University of Porto, Porto, Portugal
| | - Mário Adolfo Barbosa
- i3S—Instituto de Investigação e Inovação em Saúde, University of Porto, Porto, Portugal
- INEB—Instituto de Engenharia Biomédica, University of Porto, Porto, Portugal
- ICBAS—Instituto de Ciências Biomédicas Abel Salazar, University of Porto, Porto, Portugal
| | - Susana Gomes Santos
- i3S—Instituto de Investigação e Inovação em Saúde, University of Porto, Porto, Portugal
- INEB—Instituto de Engenharia Biomédica, University of Porto, Porto, Portugal
- ICBAS—Instituto de Ciências Biomédicas Abel Salazar, University of Porto, Porto, Portugal
| | - Maria Inês Almeida
- i3S—Instituto de Investigação e Inovação em Saúde, University of Porto, Porto, Portugal
- INEB—Instituto de Engenharia Biomédica, University of Porto, Porto, Portugal
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Mandair GS, Steenhuis P, Ignelzi MA, Morris MD. Bone quality assessment of osteogenic cell cultures by Raman microscopy. JOURNAL OF RAMAN SPECTROSCOPY : JRS 2019; 50:360-370. [PMID: 37035410 PMCID: PMC10081538 DOI: 10.1002/jrs.5521] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
The use of autologous stem/progenitor cells represents a promising approach to the repair of craniofacial bone defects. The calvarium is recognized as a viable source of stem/progenitor cells that can be transplanted in vitro to form bone. However, it is unclear if bone formed in cell culture is similar in quality to that found in native bone. In this study, the quality of bone mineral formed in osteogenic cell cultures were compared against calvarial bone from postnatal mice. Given the spectroscopic resemblance that exists between cell and collagen spectra, the feasibility of extracting information on cell activity and bone matrix quality were also examined. Stem/progenitor cells isolated from fetal mouse calvaria were cultured onto fused-quartz slides under osteogenic differentiation conditions for 28 days. At specific time intervals, slides were removed and analyzed by Raman microscopy and mineral staining techniques. We show that bone formed in culture at Day 28 resembled calvarial bone from 1-day-old postnatal mice with comparable mineralization, mineral crystallinity, and collagen crosslinks ratios. In contrast, bone formed at Day 28 contained a lower degree of ordered collagen fibrils compared with 1-day-old postnatal bone. Taken together, bone formed in osteogenic cell culture exhibited progressive matrix maturation and mineralization but could not fully replicate the high degree of collagen fibril order found in native bone.
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Affiliation(s)
- Gurjit S. Mandair
- Department of Biologic and Materials Sciences, School of Dentistry, University of Michigan, Ann Arbor, Michigan
| | - Pieter Steenhuis
- Department of Biologic and Materials Sciences, School of Dentistry, University of Michigan, Ann Arbor, Michigan
| | - Michael A. Ignelzi
- Department of Orthodontics and Pediatric Dentistry, School of Dentistry, The University of North Carolina, Chapel Hill, North Carolina
| | - Michael D. Morris
- Department of Chemistry, University of Michigan, Ann Arbor, Michigan
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