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Deng H, Guan Y, Dong Q, An R, Wang J. Chitosan-based biomaterials promote bone regeneration by regulating macrophage fate. J Mater Chem B 2024; 12:7480-7496. [PMID: 39016095 DOI: 10.1039/d3tb02563b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/18/2024]
Abstract
The development of various osteogenic biomaterials has not only promoted the development of bone tissue engineering but also provided more possibilities for bone defect repair. However, most previous studies have focused on the interaction of biomaterials on endogenous or exogenous stem cells involved in the bone regeneration process while neglecting the effect of changes in the immune microenvironment of bone defect sites on bone regeneration after biomaterial implantation into the host. With the development of bone immunology, the role of various immune cells, especially macrophages, in bone regeneration has gradually attracted the attention of researchers. An increasing number of studies have begun to target macrophages to better promote bone regeneration by modulating the fate of macrophages in a spatiotemporally ordered manner to mimic the changes in the immune microenvironment of bone defect sites during the natural repair process of bone tissue. Chitosan is one of the most abundant natural polysaccharides in the world. In recent years, various chitosan-based biomaterials have been widely used in macrophage fate modulation and bone regeneration. In this review, we review the interaction between macrophages and scaffold materials, general information about chitosan, the modulation of macrophage fate by chitosan-based biomaterials, and their application in bone regeneration.
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Affiliation(s)
- Huiling Deng
- Department of Plastic and Cosmetic Surgery, Tongji Hospital, School of Medicine, Tongji University, Shanghai, P. R. China
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, P. R. China.
| | - Yuanyuan Guan
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, P. R. China.
| | - Quping Dong
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, P. R. China.
| | - Ran An
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, P. R. China.
| | - Jiecong Wang
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, P. R. China.
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2
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Molitoris KH, Huang M, Baht GS. Osteoimmunology of Fracture Healing. Curr Osteoporos Rep 2024; 22:330-339. [PMID: 38616228 PMCID: PMC11186872 DOI: 10.1007/s11914-024-00869-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/26/2024] [Indexed: 04/16/2024]
Abstract
PURPOSE OF REVIEW The purpose of this review is to summarize what is known in the literature about the role inflammation plays during bone fracture healing. Bone fracture healing progresses through four distinct yet overlapping phases: formation of the hematoma, development of the cartilaginous callus, development of the bony callus, and finally remodeling of the fracture callus. Throughout this process, inflammation plays a critical role in robust bone fracture healing. RECENT FINDINGS At the onset of injury, vessel and matrix disruption lead to the generation of an inflammatory response: inflammatory cells are recruited to the injury site where they differentiate, activate, and/or polarize to secrete cytokines for the purposes of cell signaling and cell recruitment. This process is altered by age and by sex. Bone fracture healing is heavily influenced by the presence of inflammatory cells and cytokines within the healing tissue.
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Affiliation(s)
- Kristin Happ Molitoris
- Department of Orthopaedic Surgery, Duke Molecular Physiology Institute, Duke University, 300 North Duke Street, Durham, NC, 27701, USA
| | - Mingjian Huang
- Department of Orthopaedic Surgery, Duke Molecular Physiology Institute, Duke University, 300 North Duke Street, Durham, NC, 27701, USA
| | - Gurpreet Singh Baht
- Department of Orthopaedic Surgery, Duke Molecular Physiology Institute, Duke University, 300 North Duke Street, Durham, NC, 27701, USA.
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3
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Lyu MH, Bian C, Dou YP, Gao K, Xu JJ, Ma P. Effects of interleukin-10 treated macrophages on bone marrow mesenchymal stem cells via signal transducer and activator of transcription 3 pathway. World J Stem Cells 2024; 16:560-574. [PMID: 38817327 PMCID: PMC11135252 DOI: 10.4252/wjsc.v16.i5.560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 02/26/2024] [Accepted: 04/12/2024] [Indexed: 05/24/2024] Open
Abstract
BACKGROUND Alveolar bone defects caused by inflammation are an urgent issue in oral implant surgery that must be solved. Regulating the various phenotypes of macrophages to enhance the inflammatory environment can significantly affect the progression of diseases and tissue engineering repair process. AIM To assess the influence of interleukin-10 (IL-10) on the osteogenic differentiation of bone marrow mesenchymal stem cells (BMSCs) following their interaction with macrophages in an inflammatory environment. METHODS IL-10 modulates the differentiation of peritoneal macrophages in Wistar rats in an inflammatory environment. In this study, we investigated its impact on the proliferation, migration, and osteogenesis of BMSCs. The expression levels of signal transducer and activator of transcription 3 (STAT3) and its activated form, phosphorylated-STAT3, were examined in IL-10-stimulated macrophages. Subsequently, a specific STAT3 signaling inhibitor was used to impede STAT3 signal activation to further investigate the role of STAT3 signaling. RESULTS IL-10-stimulated macrophages underwent polarization to the M2 type through substitution, and these M2 macrophages actively facilitated the osteogenic differentiation of BMSCs. Mechanistically, STAT3 signaling plays a crucial role in the process by which IL-10 influences macrophages. Specifically, IL-10 stimulated the activation of the STAT3 signaling pathway and reduced the macrophage inflammatory response, as evidenced by its diminished impact on the osteogenic differentiation of BMSCs. CONCLUSION Stimulating macrophages with IL-10 proved effective in improving the inflammatory environment and promoting the osteogenic differentiation of BMSCs. The IL-10/STAT3 signaling pathway has emerged as a key regulator in the macrophage-mediated control of BMSCs' osteogenic differentiation.
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Affiliation(s)
- Meng-Hao Lyu
- Department of Periodontics, School of Stomatology, Capital Medical University, Beijing 100050, China
| | - Ce Bian
- Department of Orthodontics, School of Stomatology, Capital Medical University, Beijing 100050, China
| | - Yi-Ping Dou
- Department of Dental Implantology, School of Stomatology, Capital Medical University, Beijing 100050, China
| | - Kang Gao
- Department of Dental Implantology, School of Stomatology, Capital Medical University, Beijing 100050, China
| | - Jun-Ji Xu
- Department of Periodontics, School of Stomatology, Capital Medical University, Beijing 100050, China
- Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, School of Stomatology, Capital Medical University, Beijing 100050, China
- Beijing Laboratory of Oral Health, Capital Medical University, Beijing 100050, China
| | - Pan Ma
- Department of Dental Implantology, School of Stomatology, Capital Medical University, Beijing 100050, China.
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4
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Weng J, Fan H, Liu H, Tang S, Zheng Y. Abnormal Decrease of Macrophage ALKBH5 Expression Causes Abnormal Polarization and Inhibits Osteoblast Differentiation. Stem Cells Int 2023; 2023:9974098. [PMID: 37519314 PMCID: PMC10372297 DOI: 10.1155/2023/9974098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 06/18/2023] [Accepted: 07/05/2023] [Indexed: 08/01/2023] Open
Abstract
Peri-implant tissue inflammation is an inflammatory injury that occurs in the soft and hard tissues surrounding the implant and is the main cause of short- or long-term failure of implant prosthetic restorations, which is compounded by bone loss and bone destruction in the alveolar bone of diabetes patients with peri-implantitis. However, the mechanisms underlying the persistence of diabetic peri-implantitis, as well as the essential connections and key molecules that regulate its start and progression, remain unknown. In this study, we discovered that M1 macrophage polarization was abnormally enhanced in diabetic peri-implantitis and influenced the osteogenic differentiation of mesenchymal stem cells. RNA sequencing revealed that ALKBH5 expression was abnormally reduced in diabetic peri-implantitis. Further mechanism study showed that ALKBH5 and its mediated m6A can influence osteogenic differentiation, which in turn influences the persistence of diabetic peri-implantitis. Our findings present a new mechanism for the suppression of osteoblast development in diabetic peri-implantitis and a new treatment strategy to promote anabolism by inhibiting ALKBH5.
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Affiliation(s)
- Junquan Weng
- Department of Stomatology, Shenzhen People's Hospital, Shenzhen 518020, Guangdong, China
- The Second Clinical Medical College, Jinan University, Shenzhen, China
- The First Affiliated Hospital, Southern University of Science and Technology, Shenzhen, China
| | - Haidong Fan
- Department of Stomatology, Shenzhen People's Hospital, Shenzhen 518020, Guangdong, China
- The Second Clinical Medical College, Jinan University, Shenzhen, China
- The First Affiliated Hospital, Southern University of Science and Technology, Shenzhen, China
| | - Huijuan Liu
- Department of Stomatology, Shenzhen People's Hospital, Shenzhen 518020, Guangdong, China
- The Second Clinical Medical College, Jinan University, Shenzhen, China
- The First Affiliated Hospital, Southern University of Science and Technology, Shenzhen, China
| | - Su Tang
- Department of Stomatology, Shenzhen People's Hospital, Shenzhen 518020, Guangdong, China
- The Second Clinical Medical College, Jinan University, Shenzhen, China
- The First Affiliated Hospital, Southern University of Science and Technology, Shenzhen, China
| | - Yuyan Zheng
- Department of Stomatology, Shenzhen People's Hospital, Shenzhen 518020, Guangdong, China
- The Second Clinical Medical College, Jinan University, Shenzhen, China
- The First Affiliated Hospital, Southern University of Science and Technology, Shenzhen, China
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5
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Hu N, Wang J, Ju B, Li Y, Fan P, Jin X, Kang X, Wu S. Recent advances of osteoimmunology research in rheumatoid arthritis: From single-cell omics approach. Chin Med J (Engl) 2023:00029330-990000000-00608. [PMID: 37166215 DOI: 10.1097/cm9.0000000000002678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Indexed: 05/12/2023] Open
Abstract
ABSTRACT Cellular immune responses as well as generalized and periarticular bone loss are the key pathogenic features of rheumatoid arthritis (RA). Under the pathological conditions of RA, dysregulated inflammation and immune processes tightly interact with skeletal system, resulting in pathological bone damage via inhibition of bone formation or induction of bone resorption. Single-cell omics technologies are revolutionary tools in the field of modern biological research.They enable the display of the state and function of cells in various environments from a single-cell resolution, thus making it conducive to identify the dysregulated molecular mechanisms of bone destruction in RA as well as the discovery of potential therapeutic targets and biomarkers. Here, we summarize the latest findings of single-cell omics technologies in osteoimmunology research in RA. These results suggest that single-cell omics have made significant contributions to transcriptomics and dynamics of specific cells involved in bone remodeling, providing a new direction for our understanding of cellular heterogeneity in the study of osteoimmunology in RA.
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Affiliation(s)
- Nan Hu
- Department of Rheumatology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Jing Wang
- Department of Rheumatology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Bomiao Ju
- Department of Rheumatology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Yuanyuan Li
- Department of Rheumatology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Ping Fan
- Department of Rheumatology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Xinxin Jin
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi 710061, China
| | - Xiaomin Kang
- Center for Translational Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Shufang Wu
- Center for Translational Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
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Hou J, Chen J, Fan J, Tang Z, Zhou W, Lin H. Inhibition of NF-κB Signaling-Mediated Crosstalk Between Macrophages and Preosteoblasts by Metformin Alleviates Trauma-Induced Heterotopic Ossification. Inflammation 2023:10.1007/s10753-023-01817-2. [PMID: 37115368 DOI: 10.1007/s10753-023-01817-2] [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: 02/08/2023] [Revised: 04/04/2023] [Accepted: 04/05/2023] [Indexed: 04/29/2023]
Abstract
Heterotopic ossification (HO) is a pathological condition that occurs in soft tissues following severe trauma. The exact pathogenesis of HO remains unclear. Studies have shown that inflammation predisposes patients to the development of HO and triggers ectopic bone formation. Macrophages are crucial mediators of inflammation and are involved in HO development. The present study investigated the inhibitory effect and underlying mechanism of metformin on macrophage infiltration and traumatic HO in mice. Our results found that abundant levels of macrophages were recruited to the injury site during early HO progression and that early administration of metformin prevented traumatic HO in mice. Furthermore, we found that metformin attenuated macrophage infiltration and the NF-κB signaling pathway in injured tissue. The monocyte-to-macrophage transition in vitro was suppressed by metformin and this event was mediated by AMPK. Finally, we showed that inflammatory mediator's regulation by macrophages targeted preosteoblasts, leading to elevated BMP signaling, and osteogenic differentiation and driving HO formation, and this effect was blocked after the activation of AMPK in macrophages. Collectively, our study suggests that metformin prevents traumatic HO by inhibiting of NF-κB signaling in macrophages and subsequently attenuating BMP signaling and osteogenic differentiation in preosteoblasts. Therefore, metformin may serve as a therapeutic drug for traumatic HO by targeting NF-κB signaling in macrophages.
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Affiliation(s)
- Jia Hou
- Department of Pathophysiology, School of Basic Medical Sciences, Nanchang University, Nanchang, 330006, Jiangxi, China
| | - Jie Chen
- Department of Pathophysiology, School of Basic Medical Sciences, Nanchang University, Nanchang, 330006, Jiangxi, China
| | - Jingjing Fan
- Department of Pathophysiology, School of Basic Medical Sciences, Nanchang University, Nanchang, 330006, Jiangxi, China
| | - Zhimin Tang
- Department of Pathophysiology, School of Basic Medical Sciences, Nanchang University, Nanchang, 330006, Jiangxi, China
| | - Wenwen Zhou
- Department of Pathophysiology, School of Basic Medical Sciences, Nanchang University, Nanchang, 330006, Jiangxi, China
| | - Hui Lin
- Department of Pathophysiology, School of Basic Medical Sciences, Nanchang University, Nanchang, 330006, Jiangxi, China.
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7
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Osthole Inhibits M1 Macrophage Polarization and Attenuates Osteolysis in a Mouse Skull Model. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2023; 2023:2975193. [PMID: 36686380 PMCID: PMC9851800 DOI: 10.1155/2023/2975193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 11/29/2022] [Accepted: 12/01/2022] [Indexed: 01/15/2023]
Abstract
Excessive bone resorption due to increased inflammatory factors is a common feature of inflammatory lytic bone diseases. This group of diseases is effectively treated with drugs. In recent years, many studies have reported that traditional Chinese medicine herbs have substantial effects on inflammation, osteoclast differentiation and maturation, and bone destruction. Herein, we investigated the effects of osthole (OST) on lipopolysaccharide- (LPS-) induced macrophage polarization, inflammatory responses, and osteolysis. In vitro, we used immunofluorescence and quantitative real-time polymerase chain reaction assays to confirm whether bone marrow-derived macrophages showed an increased expression of inflammatory factors, such as interleukin-6, iNOS, CCR7, and CD86, in the presence of LPS. However, we found that such expression was suppressed and that the M2 macrophage expression increased in the presence of OST. OST reduced LPS- and RANKL-induced intracellular reactive oxygen species production in the bone marrow-derived macrophages. Further, it potently suppressed osteoclast differentiation and osteoclast-specific gene expression by suppressing the P38/MAPK and NF-κB pathways. Consistent with the in vitro observations, OST greatly ameliorated LPS-induced bone resorption and modulated the ratio of macrophages at the site of osteolysis. Taken together, OST has great potential for use in the management of osteolytic diseases.
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8
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Wang S, Maruyama EO, Martinez J, Lopes J, Hsu T, Wu W, Hsu W, Maruyama T. miRNA-27a is essential for bone remodeling by modulating p62-mediated osteoclast signaling. eLife 2023; 12:79768. [PMID: 36752600 PMCID: PMC9946445 DOI: 10.7554/elife.79768] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 02/07/2023] [Indexed: 02/09/2023] Open
Abstract
The ability to simultaneously modulate a set of genes for lineage-specific development has made miRNA an ideal master regulator for organogenesis. However, most miRNA deletions do not exhibit obvious phenotypic defects possibly due to functional redundancy. miRNAs are known to regulate skeletal lineages as the loss of their maturation enzyme Dicer impairs bone remodeling processes. Therefore, it is important to identify specific miRNA essential for bone homeostasis. We report the loss of MIR27a causing severe osteoporosis in mice. MIR27a affects osteoclast-mediated bone resorption but not osteoblast-mediated bone formation during skeletal remodeling. Gene profiling and bioinformatics further identify the specific targets of MIR27a in osteoclast cells. MIR27a exerts its effects on osteoclast differentiation through modulation of Squstm1/p62 whose mutations have been linked to Paget's disease of bone. Our findings reveal a new MIR27a-p62 axis necessary and sufficient to mediate osteoclast differentiation and highlight a therapeutic implication for osteoporosis.
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Affiliation(s)
- Shumin Wang
- University of Rochester Medical CenterRochesterUnited States
| | | | - John Martinez
- University of Rochester Medical CenterRochesterUnited States
| | | | - Trunee Hsu
- Case Western Reserve UniversityClevelandUnited States
| | - Wencheng Wu
- University of Rochester Medical CenterRochesterUnited States
| | - Wei Hsu
- University of Rochester Medical CenterRochesterUnited States,The Forsyth InstituteCambridgeUnited States,Faculty of Medicine, Harvard UniversityBostonUnited States,Harvard School of Dental MedicineBostonUnited States,Harvard Stem Cell InstituteCambridgeUnited States
| | - Takamitsu Maruyama
- University of Rochester Medical CenterRochesterUnited States,The Forsyth InstituteCambridgeUnited States
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9
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Rothzerg E, Feng W, Song D, Li H, Wei Q, Fox A, Wood D, Xu J, Liu Y. Single-Cell Transcriptome Analysis Reveals Paraspeckles Expression in Osteosarcoma Tissues. Cancer Inform 2022; 21:11769351221140101. [PMID: 36507075 PMCID: PMC9730017 DOI: 10.1177/11769351221140101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Accepted: 10/30/2022] [Indexed: 12/12/2022] Open
Abstract
Nuclear paraspeckles are subnuclear bodies contracted by nuclear-enriched abundant transcript 1 (NEAT1) long non-coding RNA, localised in the interchromatin space of mammalian cell nuclei. Paraspeckles have been critically involved in tumour progression, metastasis and chemoresistance. To this date, there are limited findings to suggest that paraspeckles, NEAT1 and heterogeneous nuclear ribonucleoproteins (hnRNPs) directly or indirectly play roles in osteosarcoma progression. Herein, we analysed NEAT1, paraspeckle proteins (SFPQ, PSPC1 and NONO) and hnRNP members (HNRNPK, HNRNPM, HNRNPR and HNRNPD) gene expression in 6 osteosarcoma tumour tissues using the single-cell RNA-sequencing method. The normalised data highlighted that the paraspeckles transcripts were highly abundant in osteoblastic OS cells, except NEAT1, which was highly expressed in myeloid cell 1 and 2 subpopulations.
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Affiliation(s)
- Emel Rothzerg
- School of Biomedical Sciences, The University of Western Australia, Perth, WA, Australia,Perron Institute for Neurological and Translational Science, Queen Elizabeth II Medical Centre, Nedlands, WA, Australia
| | - Wenyu Feng
- Department of Orthopaedics, Second Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Dezhi Song
- School of Biomedical Sciences, The University of Western Australia, Perth, WA, Australia,Department of Orthopaedics, First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Hengyuan Li
- School of Biomedical Sciences, The University of Western Australia, Perth, WA, Australia,Department of Orthopedics, Centre for Orthopedic Research, Second Affiliated Hospital, School of Medicine, Orthopedics Research Institute, Zhejiang University, Hangzhou, China
| | - Qingjun Wei
- Department of Orthopaedics, First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Archa Fox
- School of Human Sciences and Molecular Sciences, The University of Western Australia and Harry Perkins Institute of Medical Research, Centre for Medical Research, The University of Western Australia, Perth, WA, Australia
| | - David Wood
- Medical School, The University of Western Australia, Perth, WA, Australia
| | - Jiake Xu
- School of Biomedical Sciences, The University of Western Australia, Perth, WA, Australia,Jiake Xu, School of Biomedical Sciences, The University of Western Australia, 35 Stirling Hwy, Perth, WA 6009, Australia.
| | - Yun Liu
- School of Biomedical Sciences, The University of Western Australia, Perth, WA, Australia,Department of Orthopaedics, First Affiliated Hospital of Guangxi Medical University, Nanning, China,Yun Liu, School of Biomedical Sciences, The University of Western Australia, 35 Stirling Hwy, Perth, WA 6009, Australia.
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10
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Nihashi Y, Miyoshi M, Umezawa K, Shimosato T, Takaya T. Identification of a Novel Osteogenetic Oligodeoxynucleotide (osteoDN) That Promotes Osteoblast Differentiation in a TLR9-Independent Manner. NANOMATERIALS 2022; 12:nano12101680. [PMID: 35630904 PMCID: PMC9145662 DOI: 10.3390/nano12101680] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 05/06/2022] [Accepted: 05/13/2022] [Indexed: 12/11/2022]
Abstract
Dysfunction of bone-forming cells, osteoblasts, is one of the causes of osteoporosis. Accumulating evidence has indicated that oligodeoxynucleotides (ODNs) designed from genome sequences have the potential to regulate osteogenic cell fate. Such osteogenetic ODNs (osteoDNs) targeting and activating osteoblasts can be the candidates of nucleic acid drugs for osteoporosis. In this study, the ODN library derived from the Lacticaseibacillus rhamnosus GG genome was screened to determine its osteogenetic effect on murine osteoblast cell line MC3T3-E1. An 18-base ODN, iSN40, was identified to enhance alkaline phosphatase activity of osteoblasts within 48 h. iSN40 also induced the expression of osteogenic genes such as Msx2, osterix, collagen type 1α, osteopontin, and osteocalcin. Eventually, iSN40 facilitated calcium deposition on osteoblasts at the late stage of differentiation. Intriguingly, the CpG motif within iSN40 was not required for its osteogenetic activity, indicating that iSN40 functions in a TLR9-independent manner. These data demonstrate that iSN40 serves as a novel osteogenetic ODN (osteoDN) that promotes osteoblast differentiation. iSN40 provides a potential seed of the nucleic acid drug that activating osteoblasts for osteoporosis therapy.
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Affiliation(s)
- Yuma Nihashi
- Department of Science and Technology, Graduate School of Medicine, Science and Technology, Shinshu University, 8304 Minami-minowa, Kami-ina, Nagano 399-4598, Japan; (Y.N.); (T.S.)
| | - Mana Miyoshi
- Department of Agriculture, Graduate School of Science and Technology, Shinshu University, 8304 Minami-minowa, Kami-ina, Nagano 399-4598, Japan;
| | - Koji Umezawa
- Department of Agricultural and Life Sciences, Faculty of Agriculture, Shinshu University, 8304 Minami-minowa, Kami-ina, Nagano 399-4598, Japan;
- Department of Biomolecular Innovation, Institute for Biomedical Sciences, Shinshu University, 8304 Minami-minowa, Kami-ina, Nagano 399-4598, Japan
| | - Takeshi Shimosato
- Department of Science and Technology, Graduate School of Medicine, Science and Technology, Shinshu University, 8304 Minami-minowa, Kami-ina, Nagano 399-4598, Japan; (Y.N.); (T.S.)
- Department of Agriculture, Graduate School of Science and Technology, Shinshu University, 8304 Minami-minowa, Kami-ina, Nagano 399-4598, Japan;
- Department of Agricultural and Life Sciences, Faculty of Agriculture, Shinshu University, 8304 Minami-minowa, Kami-ina, Nagano 399-4598, Japan;
- Department of Biomolecular Innovation, Institute for Biomedical Sciences, Shinshu University, 8304 Minami-minowa, Kami-ina, Nagano 399-4598, Japan
| | - Tomohide Takaya
- Department of Science and Technology, Graduate School of Medicine, Science and Technology, Shinshu University, 8304 Minami-minowa, Kami-ina, Nagano 399-4598, Japan; (Y.N.); (T.S.)
- Department of Agriculture, Graduate School of Science and Technology, Shinshu University, 8304 Minami-minowa, Kami-ina, Nagano 399-4598, Japan;
- Department of Agricultural and Life Sciences, Faculty of Agriculture, Shinshu University, 8304 Minami-minowa, Kami-ina, Nagano 399-4598, Japan;
- Department of Biomolecular Innovation, Institute for Biomedical Sciences, Shinshu University, 8304 Minami-minowa, Kami-ina, Nagano 399-4598, Japan
- Correspondence:
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11
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Wheelis SE, Biguetti CC, Natarajan S, Chandrashekar BL, Arteaga A, Allami JE, Garlet GP, Rodrigues DC. Effects of Dicationic Imidazolium-Based Ionic Liquid Coatings on Oral Osseointegration of Titanium Implants: A Biocompatibility Study in Multiple Rat Demographics. Genes (Basel) 2022; 13:genes13040642. [PMID: 35456448 PMCID: PMC9026960 DOI: 10.3390/genes13040642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 03/20/2022] [Accepted: 03/30/2022] [Indexed: 01/27/2023] Open
Abstract
Dicationic imidazolium-based ionic liquids with amino acid anions, such as IonL-phenylalanine (IonL-Phe), have been proposed as a multifunctional coating for titanium (Ti) dental implants. However, there has been no evaluation of the biocompatibility of these Ti coatings in the oral environment. This study aims to evaluate the effects of IonL-Phe on early healing and osseointegration of Ti in multiple rat demographics. IonL-Phe-coated and uncoated Ti screws were implanted into four demographic groups of rats to represent biological variations that could affect healing: young males (YMs) and females (YFs), ovariectomized (OVXFs) females, and old males (OMs). Samples underwent histopathological and histomorphometric analysis to evaluate healing at 7 and 30 days around IonL-coated and uncoated Ti. The real-time quantitative polymerase chain reaction was also conducted at the 2- and 7-day YM groups to evaluate molecular dynamics of healing while the IonL-Phe was present on the surface. IonL-coated and uncoated implants demonstrated similar histological signs of healing, while coated samples’ differential gene expression of immunological and bone markers was compared with uncoated implants at 2 and 7 days in YMs. While YMs presented suitable osseointegration for both uncoated and IonL-Phe-coated groups, decreased success rate in other demographics resulted from lack of supporting bone in YFs and poor bone quality in OVXFs and OMs. Overall, it was found that IonL-coated samples had increased bone-to-implant contact across all demographic groups. IonL-Phe coating led to successful osseointegration across all animal demographics and presented the potential to prevent failures in scenarios known to be challenged by bacteria.
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Affiliation(s)
- Sutton E. Wheelis
- Department of Bioengineering, The University of Texas at Dallas, Richardson, TX 75080, USA; (S.E.W.); (C.C.B.); (B.L.C.); (A.A.); (J.E.A.)
| | - Claudia C. Biguetti
- Department of Bioengineering, The University of Texas at Dallas, Richardson, TX 75080, USA; (S.E.W.); (C.C.B.); (B.L.C.); (A.A.); (J.E.A.)
| | - Shruti Natarajan
- Department of Biological Sciences, The University of Texas at Dallas, Richardson, TX 75080, USA;
- Texas A&M College of Dentistry, Dallas, TX 75246, USA
| | - Bhuvana Lakkasetter Chandrashekar
- Department of Bioengineering, The University of Texas at Dallas, Richardson, TX 75080, USA; (S.E.W.); (C.C.B.); (B.L.C.); (A.A.); (J.E.A.)
| | - Alexandra Arteaga
- Department of Bioengineering, The University of Texas at Dallas, Richardson, TX 75080, USA; (S.E.W.); (C.C.B.); (B.L.C.); (A.A.); (J.E.A.)
| | - Jihad El Allami
- Department of Bioengineering, The University of Texas at Dallas, Richardson, TX 75080, USA; (S.E.W.); (C.C.B.); (B.L.C.); (A.A.); (J.E.A.)
| | - Gustavo P. Garlet
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, São Paulo 01000, Brazil;
| | - Danieli C. Rodrigues
- Department of Bioengineering, The University of Texas at Dallas, Richardson, TX 75080, USA; (S.E.W.); (C.C.B.); (B.L.C.); (A.A.); (J.E.A.)
- Correspondence:
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12
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Differentiation of Cells Isolated from Human Femoral Heads into Functional Osteoclasts. J Dev Biol 2022; 10:jdb10010006. [PMID: 35225960 PMCID: PMC8883933 DOI: 10.3390/jdb10010006] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 01/04/2022] [Accepted: 01/12/2022] [Indexed: 12/17/2022] Open
Abstract
Proper formation of the skeleton during development is crucial for the mobility of humans and the maintenance of essential organs. The production of bone is regulated by osteoblasts and osteoclasts. An imbalance of these cells can lead to a decrease in bone mineral density, which leads to fractures. While many studies are emerging to understand the role of osteoblasts, less studies are present about the role of osteoclasts. This present study utilized bone marrow cells isolated directly from the bone marrow of femoral heads obtained from osteoarthritic (OA) patients after undergoing hip replacement surgery. Here, we used tartrate resistant acid phosphatase (TRAP) staining, Cathepsin K, and nuclei to identity osteoclasts and their functionality after stimulation with macrophage-colony stimulation factor (M-CSF) and receptor activator of nuclear factor kappa-β ligand (RANKL). Our data demonstrated that isolated cells can be differentiated into functional osteoclasts, as indicated by the 92% and 83% of cells that stained positive for TRAP and Cathepsin K, respectively. Furthermore, isolated cells remain viable and terminally differentiate into osteoclasts when stimulated with RANKL. These data demonstrate that cells isolated from human femoral heads can be differentiated into osteoclasts to study bone disorders during development and adulthood.
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13
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Rubitschung K, Sherwood A, Crisologo AP, Bhavan K, Haley RW, Wukich DK, Castellino L, Hwang H, La Fontaine J, Chhabra A, Lavery L, Öz OK. Pathophysiology and Molecular Imaging of Diabetic Foot Infections. Int J Mol Sci 2021; 22:11552. [PMID: 34768982 PMCID: PMC8584017 DOI: 10.3390/ijms222111552] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Revised: 10/16/2021] [Accepted: 10/20/2021] [Indexed: 12/27/2022] Open
Abstract
Diabetic foot infection is the leading cause of non-traumatic lower limb amputations worldwide. In addition, diabetes mellitus and sequela of the disease are increasing in prevalence. In 2017, 9.4% of Americans were diagnosed with diabetes mellitus (DM). The growing pervasiveness and financial implications of diabetic foot infection (DFI) indicate an acute need for improved clinical assessment and treatment. Complex pathophysiology and suboptimal specificity of current non-invasive imaging modalities have made diagnosis and treatment response challenging. Current anatomical and molecular clinical imaging strategies have mainly targeted the host's immune responses rather than the unique metabolism of the invading microorganism. Advances in imaging have the potential to reduce the impact of these problems and improve the assessment of DFI, particularly in distinguishing infection of soft tissue alone from osteomyelitis (OM). This review presents a summary of the known pathophysiology of DFI, the molecular basis of current and emerging diagnostic imaging techniques, and the mechanistic links of these imaging techniques to the pathophysiology of diabetic foot infections.
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Affiliation(s)
- Katie Rubitschung
- Department of Radiology, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX 75390-8542, USA; (K.R.); (A.S.); (A.C.)
| | - Amber Sherwood
- Department of Radiology, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX 75390-8542, USA; (K.R.); (A.S.); (A.C.)
| | - Andrew P. Crisologo
- Department of Plastic Surgery, University of Cincinnati, 231 Albert Sabin Way, Cincinnati, OH 45267-0558, USA;
| | - Kavita Bhavan
- Department of Internal Medicine, Division of Infectious Diseases and Geographic Medicine, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX 75390-8542, USA; (K.B.); (L.C.)
| | - Robert W. Haley
- Department of Internal Medicine, Epidemiology Division, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX 75390-8542, USA;
| | - Dane K. Wukich
- Department of Orthopedic Surgery, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX 75390-8542, USA;
| | - Laila Castellino
- Department of Internal Medicine, Division of Infectious Diseases and Geographic Medicine, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX 75390-8542, USA; (K.B.); (L.C.)
| | - Helena Hwang
- Department of Pathology, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX 75390-8542, USA;
| | - Javier La Fontaine
- Department of Plastic Surgery, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX 75390-8542, USA; (J.L.F.); (L.L.)
| | - Avneesh Chhabra
- Department of Radiology, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX 75390-8542, USA; (K.R.); (A.S.); (A.C.)
| | - Lawrence Lavery
- Department of Plastic Surgery, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX 75390-8542, USA; (J.L.F.); (L.L.)
| | - Orhan K. Öz
- Department of Radiology, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX 75390-8542, USA; (K.R.); (A.S.); (A.C.)
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14
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Rubitschung K, Sherwood A, Crisologo AP, Bhavan K, Haley RW, Wukich DK, Castellino L, Hwang H, La Fontaine J, Chhabra A, Lavery L, Öz OK. Pathophysiology and Molecular Imaging of Diabetic Foot Infections. Int J Mol Sci 2021; 22:ijms222111552. [PMID: 34768982 DOI: 10.3390/ijms222111552.pmid:34768982;pmcid:pmc8584017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Revised: 10/16/2021] [Accepted: 10/20/2021] [Indexed: 05/27/2023] Open
Abstract
Diabetic foot infection is the leading cause of non-traumatic lower limb amputations worldwide. In addition, diabetes mellitus and sequela of the disease are increasing in prevalence. In 2017, 9.4% of Americans were diagnosed with diabetes mellitus (DM). The growing pervasiveness and financial implications of diabetic foot infection (DFI) indicate an acute need for improved clinical assessment and treatment. Complex pathophysiology and suboptimal specificity of current non-invasive imaging modalities have made diagnosis and treatment response challenging. Current anatomical and molecular clinical imaging strategies have mainly targeted the host's immune responses rather than the unique metabolism of the invading microorganism. Advances in imaging have the potential to reduce the impact of these problems and improve the assessment of DFI, particularly in distinguishing infection of soft tissue alone from osteomyelitis (OM). This review presents a summary of the known pathophysiology of DFI, the molecular basis of current and emerging diagnostic imaging techniques, and the mechanistic links of these imaging techniques to the pathophysiology of diabetic foot infections.
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Affiliation(s)
- Katie Rubitschung
- Department of Radiology, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX 75390-8542, USA
| | - Amber Sherwood
- Department of Radiology, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX 75390-8542, USA
| | - Andrew P Crisologo
- Department of Plastic Surgery, University of Cincinnati, 231 Albert Sabin Way, Cincinnati, OH 45267-0558, USA
| | - Kavita Bhavan
- Department of Internal Medicine, Division of Infectious Diseases and Geographic Medicine, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX 75390-8542, USA
| | - Robert W Haley
- Department of Internal Medicine, Epidemiology Division, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX 75390-8542, USA
| | - Dane K Wukich
- Department of Orthopedic Surgery, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX 75390-8542, USA
| | - Laila Castellino
- Department of Internal Medicine, Division of Infectious Diseases and Geographic Medicine, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX 75390-8542, USA
| | - Helena Hwang
- Department of Pathology, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX 75390-8542, USA
| | - Javier La Fontaine
- Department of Plastic Surgery, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX 75390-8542, USA
| | - Avneesh Chhabra
- Department of Radiology, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX 75390-8542, USA
| | - Lawrence Lavery
- Department of Plastic Surgery, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX 75390-8542, USA
| | - Orhan K Öz
- Department of Radiology, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX 75390-8542, USA
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15
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Schlundt C, Fischer H, Bucher CH, Rendenbach C, Duda GN, Schmidt-Bleek K. The multifaceted roles of macrophages in bone regeneration: A story of polarization, activation and time. Acta Biomater 2021; 133:46-57. [PMID: 33974949 DOI: 10.1016/j.actbio.2021.04.052] [Citation(s) in RCA: 123] [Impact Index Per Article: 41.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 03/26/2021] [Accepted: 04/27/2021] [Indexed: 12/12/2022]
Abstract
To present knowledge, macrophages are found in all tissues of the human body. They are a cell population with high plasticity which come with a multitude of functions which appear to be adapted to the respective tissue niche and micro-environment in which they reside. Bone harbors multiple macrophage subpopulations, with the osteoclasts as classical representative of a bone resorbing cells and osteomacs as a bone tissue resident macrophage first described by the expression of F4/80. Both subtypes are found throughout all phases in bone healing. In vivo data on bone regeneration have demonstrated their essential role in initiating the healing cascade (inflammatory phase) but also of the later phases of healing (e.g. endochondral and intramembranous bone formation). To participate in such diverse processes macrophages have to be highly plastic in their functionality. Thus, the widely used M1/M2 paradigm to distinguish macrophage subpopulations may not mirror the comprehensive role of the dynamics of macrophage plasticity. From a clinical perspective it is especially relevant to distinguish what drives macrophages in impaired healing scenarios, implant loosening or infections, where their specific role of a misbalanced inflammatory setting is so far only partially known. With this review we aim at illustrating current knowledge and gaps of knowledge on macrophage plasticity and function during the cascades of regeneration and reconstitution of bone tissue. We propose aspects of the known biological mechanisms of macrophages and their specific subsets that might serve as targets to control their function in impaired healing and eventually support a scar-free regeneration. STATEMENT OF SIGNIFICANCE: Macrophages are essential for successful regeneration. In scar-free healing such as in bone, a complete failure of healing was shown if macrophages were depleted; the M1/M2 switch appears to be key to the progression from pro-inflammation to regeneration. However, experimental data illustrate that the classical M1/M2 paradigm does not completely mirror the complexity of observed macrophage functions during bone healing and thus demands a broader perspective. Within this review we discuss the high degree of plasticity of macrophages and the relevant contribution of the different and more specific M2 subtypes (M2a-M2f) during (bone) regeneration. It summarizes the versatile roles of macrophages in skeletal regeneration and thereby highlights potential target points for immunomodulatory approaches to enable or even foster bone repair.
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16
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Li M, Sun X, Yao H, Chen W, Zhang F, Gao S, Zou X, Chen J, Qiu S, Wei H, Hu Z, Chen W. Genomic methylation variations predict the susceptibility of six chemotherapy related adverse effects and cancer development for Chinese colorectal cancer patients. Toxicol Appl Pharmacol 2021; 427:115657. [PMID: 34332992 DOI: 10.1016/j.taap.2021.115657] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 07/08/2021] [Accepted: 07/26/2021] [Indexed: 02/07/2023]
Abstract
Colorectal cancer (CRC) remains a major concern with high morbidity and mortality worldwide. Despite the positive influence of chemotherapy on the decline in CRC mortality, the negative influence of chemotherapy-related adverse effects (CRAEs) caused by capecitabine (Cap) remains a challenging problem. DNA methylation alteration plays a pivotal role in gene expression regulation. Here, we aimed to screen reliable and novel biomarkers for CRC diagnosis and CRAE prediction using the advanced Illumina Infinium MethylationEPIC (850 K) BeadChip. Paired tumor and normal tissues from 21 Chinese CRC patients who received Cap-based adjuvant chemotherapy were analyzed. CRC-related methylation was characterized by hypermethylated promoter islands and hypomethylated intragenic openseas; CRAE-related methylation was characterized by hyper- (or hypo-) methylated intragenic (or intergenic) regions. Based on three types of methylation profiles (differentially methylated probes, differentially methylated regions, and gene-function-differentially methylated regions), pathway enrichment analyses revealed that CRC-related genes were significantly enriched in the neuronal system, metabolism of RNA, and extracellular matrix organization; CRAE-related genes were abundantly enriched in pathways controlling regeneration functions and immune response. Finally, based on genes within the mostly related pathways and LASSO logistic regression selection, the integrated-methylation-marker systems developed here demonstrated high discriminative accuracy in both CRC diagnosis (AUROC = 1) and CRAE prediction (AUROC = 0.817-1). In conclusion, we conducted a comprehensive DNA methylation analysis of CRC patients with chemotherapy, which provided new insights into the formation of CRC and CRAEs. Most importantly, our findings identified potentially CRAE-related metabolic pathways and markers, providing a valuable reference for personalized medicine promising better safety. Trail registration:ClinicalTrials.gov,NCT03030508, Registered 25 January 2017,https://www.clinicaltrials.gov/ct2/show/NCT03030508?term=NCT03030508&draw=2&rank=1.
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Affiliation(s)
- Mingming Li
- Department of Pharmacy, Second Affiliated Hospital of Naval Medical University, Shanghai 200003, China
| | - Xiaomeng Sun
- Research Institute, GloriousMed Clinical Laboratory Co., Ltd., Shanghai 201318, China
| | - Houshan Yao
- Department of General Surgery, Second Affiliated Hospital of Naval Medical University, Shanghai 200003, China
| | - Wei Chen
- Department of Pharmacy, Second Affiliated Hospital of Naval Medical University, Shanghai 200003, China
| | - Feng Zhang
- Department of Pharmacy, Second Affiliated Hospital of Naval Medical University, Shanghai 200003, China
| | - Shouhong Gao
- Department of Pharmacy, Second Affiliated Hospital of Naval Medical University, Shanghai 200003, China
| | - Xun Zou
- Department of Pharmacy, Second Affiliated Hospital of Naval Medical University, Shanghai 200003, China
| | - Jiani Chen
- Department of Pharmacy, Second Affiliated Hospital of Naval Medical University, Shanghai 200003, China
| | - Shi Qiu
- Traditional Chinese Medicine Resource and Technology Center, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Hua Wei
- Department of Pharmacy, Second Affiliated Hospital of Naval Medical University, Shanghai 200003, China; Department of Pharmacy, 905th Hospital of PLA Navy, Naval Medical University, Shanghai 200052, China.
| | - Zhiqian Hu
- Department of General Surgery, Second Affiliated Hospital of Naval Medical University, Shanghai 200003, China; Department of Gastrointestinal Surgery, Tongji Hospital, Medical College of Tongji University, Shanghai 200065, China.
| | - Wansheng Chen
- Department of Pharmacy, Second Affiliated Hospital of Naval Medical University, Shanghai 200003, China; Traditional Chinese Medicine Resource and Technology Center, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
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17
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Kwon Y, Park C, Lee J, Park DH, Jeong S, Yun CH, Park OJ, Han SH. Regulation of Bone Cell Differentiation and Activation by Microbe-Associated Molecular Patterns. Int J Mol Sci 2021; 22:ijms22115805. [PMID: 34071605 PMCID: PMC8197933 DOI: 10.3390/ijms22115805] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 05/25/2021] [Accepted: 05/26/2021] [Indexed: 02/06/2023] Open
Abstract
Gut microbiota has emerged as an important regulator of bone homeostasis. In particular, the modulation of innate immunity and bone homeostasis is mediated through the interaction between microbe-associated molecular patterns (MAMPs) and the host pattern recognition receptors including Toll-like receptors and nucleotide-binding oligomerization domains. Pathogenic bacteria such as Porphyromonas gingivalis and Staphylococcus aureus tend to induce bone destruction and cause various inflammatory bone diseases including periodontal diseases, osteomyelitis, and septic arthritis. On the other hand, probiotic bacteria such as Lactobacillus and Bifidobacterium species can prevent bone loss. In addition, bacterial metabolites and various secretory molecules such as short chain fatty acids and cyclic nucleotides can also affect bone homeostasis. This review focuses on the regulation of osteoclast and osteoblast by MAMPs including cell wall components and secretory microbial molecules under in vitro and in vivo conditions. MAMPs could be used as potential molecular targets for treating bone-related diseases such as osteoporosis and periodontal diseases.
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Affiliation(s)
- Yeongkag Kwon
- Department of Oral Microbiology and Immunology, and Dental Research Institute, School of Dentistry, Seoul National University, Seoul 08826, Korea; (Y.K.); (C.P.); (J.L.); (D.H.P.); (S.J.)
| | - Chaeyeon Park
- Department of Oral Microbiology and Immunology, and Dental Research Institute, School of Dentistry, Seoul National University, Seoul 08826, Korea; (Y.K.); (C.P.); (J.L.); (D.H.P.); (S.J.)
| | - Jueun Lee
- Department of Oral Microbiology and Immunology, and Dental Research Institute, School of Dentistry, Seoul National University, Seoul 08826, Korea; (Y.K.); (C.P.); (J.L.); (D.H.P.); (S.J.)
| | - Dong Hyun Park
- Department of Oral Microbiology and Immunology, and Dental Research Institute, School of Dentistry, Seoul National University, Seoul 08826, Korea; (Y.K.); (C.P.); (J.L.); (D.H.P.); (S.J.)
| | - Sungho Jeong
- Department of Oral Microbiology and Immunology, and Dental Research Institute, School of Dentistry, Seoul National University, Seoul 08826, Korea; (Y.K.); (C.P.); (J.L.); (D.H.P.); (S.J.)
| | - Cheol-Heui Yun
- Department of Agricultural Biotechnology, and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea;
| | - Ok-Jin Park
- Department of Oral Microbiology and Immunology, and Dental Research Institute, School of Dentistry, Seoul National University, Seoul 08826, Korea; (Y.K.); (C.P.); (J.L.); (D.H.P.); (S.J.)
- Correspondence: (O.-J.P.); (S.H.H.); Tel.: +82-2-880-2312 (O.-J.P.); +82-2-880-2310 (S.H.H.)
| | - Seung Hyun Han
- Department of Oral Microbiology and Immunology, and Dental Research Institute, School of Dentistry, Seoul National University, Seoul 08826, Korea; (Y.K.); (C.P.); (J.L.); (D.H.P.); (S.J.)
- Correspondence: (O.-J.P.); (S.H.H.); Tel.: +82-2-880-2312 (O.-J.P.); +82-2-880-2310 (S.H.H.)
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18
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Chang B, Liu X. Osteon: Structure, Turnover, and Regeneration. TISSUE ENGINEERING PART B-REVIEWS 2021; 28:261-278. [PMID: 33487116 DOI: 10.1089/ten.teb.2020.0322] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Bone is composed of dense and solid cortical bone and honeycomb-like trabecular bone. Although cortical bone provides the majority of mechanical strength for a bone, there are few studies focusing on cortical bone repair or regeneration. Osteons (the Haversian system) form structural and functional units of cortical bone. In recent years, emerging evidences have shown that the osteon structure (including osteocytes, lamellae, lacunocanalicular network, and Haversian canals) plays critical roles in bone mechanics and turnover. Therefore, reconstruction of the osteon structure is crucial for cortical bone regeneration. This article provides a systematic summary of recent advances in osteons, including the structure, function, turnover, and regenerative strategies. First, the hierarchical structure of osteons is illustrated and the critical functions of osteons in bone dynamics are introduced. Next, the modeling and remodeling processes of osteons at a cellular level and the turnover of osteons in response to mechanical loading and aging are emphasized. Furthermore, several bioengineering approaches that were recently developed to recapitulate the osteon structure are highlighted. Impact statement This review provides a comprehensive summary of recent advances in osteons, especially the roles in bone formation, remodeling, and regeneration. Besides introducing the hierarchical structure and critical functions of osteons, we elucidate the modeling and remodeling of osteons at a cellular level. Specifically, we highlight the bioengineering approaches that were recently developed to mimic the hierarchical structure of osteons. We expect that this review will provide informative insights and attract increasing attentions in orthopedic community, shedding light on cortical bone regeneration in the future.
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Affiliation(s)
- Bei Chang
- Department of Biomedical Sciences, Texas A&M University College of Dentistry, Dallas, Texas, USA
| | - Xiaohua Liu
- Department of Biomedical Sciences, Texas A&M University College of Dentistry, Dallas, Texas, USA
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19
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Wang H, Zhang W, Bado I, Zhang XHF. Bone Tropism in Cancer Metastases. Cold Spring Harb Perspect Med 2020; 10:cshperspect.a036848. [PMID: 31615871 DOI: 10.1101/cshperspect.a036848] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Bone is a frequent site of metastases in many cancers. Both bone properties and the tumor-intrinsic traits are associated with the metastatic propensity to bone (i.e., the bone tropism). Whereas an increasing body of mechanistic studies expanded our understanding on bone tropism, they also revealed complexity across the bone lesions originated from different cancer types. In this review, we will discuss the physical, chemical, and biological properties of bone microenvironment, identify potential players in every stage of bone metastases, and introduce some of the known mechanisms regulating the bone colonization. Our objectives are to integrate the knowledge established in different biological contexts and highlight the determinants of bone tropism.
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Affiliation(s)
- Hai Wang
- Lester and Sue Smith Breast Center, Baylor College of Medicine, Houston, Texas 77030, USA.,Dan L. Duncan Cancer Center, Baylor College of Medicine, Houston, Texas 77030, USA.,Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas 77030, USA
| | - Weijie Zhang
- Lester and Sue Smith Breast Center, Baylor College of Medicine, Houston, Texas 77030, USA.,Dan L. Duncan Cancer Center, Baylor College of Medicine, Houston, Texas 77030, USA.,Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas 77030, USA
| | - Igor Bado
- Lester and Sue Smith Breast Center, Baylor College of Medicine, Houston, Texas 77030, USA.,Dan L. Duncan Cancer Center, Baylor College of Medicine, Houston, Texas 77030, USA.,Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas 77030, USA
| | - Xiang H-F Zhang
- Lester and Sue Smith Breast Center, Baylor College of Medicine, Houston, Texas 77030, USA.,Dan L. Duncan Cancer Center, Baylor College of Medicine, Houston, Texas 77030, USA.,Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas 77030, USA.,McNair Medical Institute, Baylor College of Medicine, Houston, Texas 77030, USA
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20
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Yan FF, Wang WC, Cheng HW. Bacillus subtilis-based probiotic promotes bone growth by inhibition of inflammation in broilers subjected to cyclic heating episodes. Poult Sci 2020; 99:5252-5260. [PMID: 33142440 PMCID: PMC7647906 DOI: 10.1016/j.psj.2020.08.051] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 06/19/2020] [Accepted: 08/19/2020] [Indexed: 01/03/2023] Open
Abstract
Heat stress as an environmental stressor causes abnormal bone remodeling and microarchitectural deterioration. The objective of this study was to investigate the effects of a Bacillus subtilis–based probiotic on bone mass of broilers subjected to cycling high ambient temperature. One hundred and twenty 1-day-old Ross 708 male broiler chicks were randomly assigned to 2 dietary treatments (12 pens per treatment): control diet and the control diet plus 250-ppm probiotic consisting of 3 strains of Bacillus subtilis. Room temperature was gradually decreased from 35°C on day 1 by 0.5°C/d until day 15, when ambient temperature was increased from 28°C to 32°C for 10 h (07:00 h–17:00 h) daily until day 44. Samples of blood, leg bones (tibia and femur), and brains (raphe nuclei and hypothalamus) were collected at day 43, while latency to lie test was conducted at day 44. Compared with controls, probiotic supplementation increased bone mineral content, weight, size, weight to length index, and reduced robusticity index in the tibia and femur (P < 0.05) of broilers subjected to heat stress. Serum concentrations of c-terminal telopeptide of type I collagen (CTX) were reduced (P = 0.02) by the probiotic supplementation, while ionized calcium, phosphate, and osteocalcin were not affected (P > 0.05). Moreover, tumor necrosis factor-α (TNF-α) in probiotic fed broilers was decreased (P = 0.003) without changes of plasma interleukin (IL)-6, IL-10, interferon-γ, and corticosterone concentrations. There were no treatment effects on the concentrations of peripheral serotonin and central serotonin and catecholamines (norepinephrine, epinephrine, and dopamine) as well as their metabolites. These results may indicate that dietary supplementation of Bacillus subtilis–based probiotic increases bone growth in broilers under a cyclic heating episode probably via inhibition of bone resorption, resulting from downregulation of the circulating TNF-α and CTX. Dietary probiotic supplementation may be a management strategy for increasing skeletal health of broilers under hot weather.
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Affiliation(s)
- Fei-Fei Yan
- College of Animal Science and Technology College of Veterinary Medicine, Zhejiang A&F University, Hangzhou, Zhejiang 311300, China.
| | - Wei-Chao Wang
- Department of Animal Sciences, Purdue University, West Lafayette, IN 47907, USA
| | - Heng-Wei Cheng
- USDA-ARS, Livestock Behavior Research Unit, West Lafayette, IN 47907, USA.
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21
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Mannucci C, Calapai G, Gangemi S. Commentary: Circulatory pattern of cytokines, adipokines and bone markers in postmenopausal women with low BMD. Front Immunol 2019; 10:2666. [PMID: 31798591 PMCID: PMC6868060 DOI: 10.3389/fimmu.2019.02666] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Accepted: 10/28/2019] [Indexed: 12/03/2022] Open
Affiliation(s)
- Carmen Mannucci
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Messina, Italy
| | - Gioacchino Calapai
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Messina, Italy
| | - Sebastiano Gangemi
- School and Division of Allergy and Clinical Immunology, Department of Experimental Medicine, University of Messina, Messina, Italy
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22
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Serum C-C Motif Ligand 11/eotaxin-1 May Serve as a Candidate Biomarker for Postmenopausal Osteoporosis. J Med Biochem 2019; 38:353-360. [PMID: 31156346 PMCID: PMC6534958 DOI: 10.2478/jomb-2018-0042] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2018] [Accepted: 11/03/2018] [Indexed: 12/31/2022] Open
Abstract
Background The chemokine C-C motif ligand 11, also known as eotaxin-1, has been identified as a novel mediator of inflammatory bone resorption. However, little is known regarding a potential role for CCL11/Eotaxin-1 in postmenopausal osteoporosis. Objective The scope of this study was to explore the relationship between serum CCL11/Eotaxin-1 concentrations and disease progression of postmenopausal females with osteoporosis. Methods A total of 83 postmenopausal women diagnosed with osteoporosis were enrolled. Meanwhile, 82 postmenopausal women with normal bone mineral density (BMD) and 85 healthy controls inner child-bearing age were enrolled as control. The Dual-energy X-ray absorptiometry was used to examine the BMDs at the femoral neck, lumbar spine 1-4 and total hip of all participants. Serum CCL11/Eotaxin-1 levels were examined by enzyme-linked immunosorbent assay. We also included inflammation marker interleukin-6 (IL-6) as well as a serum marker of bone resorption C-telopeptide cross-linked collagen type 1 (CTX-1). The Visual Analogue Scale (VAS) and Oswestry Disability Index (ODI) were recorded to evaluate the clinical severity in POMP females. Results Serum CCL11/Eotaxin-1 levels were significantly elevated in postmenopausal osteoporotic patients PMOP patients compared with PMNOP and healthy controls. We observed a significant negative correlation of serum CCL11/Eotaxin-1 levels with lumbar spine, femoral neck and total hip BMD. Furthermore, serum CCL11/ Eotaxin-1 concentrations were also positively related to the VAS and ODI scores. Last, serum CCL11/ Eotaxin-1 concentrations were positively associated with IL-6 and CTX-1 levels. These correlations remain significant after adjusting for age and BMI. Multivariate linear regression analysis demonstrated that CCL11/Eotaxin-1 could serve as an independent marker. Conclusions Serum CCL 11/Eotaxin-1 may serve as a candidate biomarker for postmenopausal osteoporosis. Therapeutics targeting CCL11/Eotaxin-1 and its related signalling way to prevent and slow progression of PMOP deserve further study.
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Abstract
A history of prior fracture is the most reliable indicator of prospective fracture risk. Increased fracture risk is not confined to the region of the prior fracture, but is operant at all skeletal sites, providing strong evidence of systemic bone loss after fracture. Animal and human studies suggest that systemic bone loss begins shortly after fracture and persists for several years in humans. In fact, bone quantity and bone quality may never fully return to their pre-fracture levels, especially in older subjects, demonstrating a need for improved understanding of the mechanisms leading to systemic bone loss after fracture in order to reduce subsequent fracture risk. Although the process remains incompletely understood, mechanical unloading (disuse), systemic inflammation, and hormones that control calcium homeostasis may all contribute to systemic bone loss. Additionally, individual factors can potentially affect the magnitude and time course of systemic bone loss and recovery. The magnitude of systemic bone loss correlates positively with injury severity and age. Men may also experience greater bone loss or less recovery than women after fracture. This review details the current understanding of systemic bone loss following fracture, including possible underlying mechanisms and individual factors that may affect this injury response.
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Barruet E, Morales BM, Cain CJ, Ton AN, Wentworth KL, Chan TV, Moody TA, Haks MC, Ottenhoff TH, Hellman J, Nakamura MC, Hsiao EC. NF-κB/MAPK activation underlies ACVR1-mediated inflammation in human heterotopic ossification. JCI Insight 2018; 3:122958. [PMID: 30429363 DOI: 10.1172/jci.insight.122958] [Citation(s) in RCA: 61] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Accepted: 10/11/2018] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Inflammation helps regulate normal growth and tissue repair. Although bone morphogenetic proteins (BMPs) and inflammation are known contributors to abnormal bone formation, how these pathways interact in ossification remains unclear. METHODS We examined this potential link in patients with fibrodysplasia ossificans progressiva (FOP), a genetic condition of progressive heterotopic ossification caused by activating mutations in the Activin A type I receptor (ACVR1/ALK2). FOP patients show exquisite sensitivity to trauma, suggesting that BMP pathway activation may alter immune responses. We studied primary blood, monocyte, and macrophage samples from control and FOP subjects using multiplex cytokine, gene expression, and protein analyses; examined CD14+ primary monocyte and macrophage responses to TLR ligands; and assayed BMP, TGF-β activated kinase 1 (TAK1), and NF-κB pathways. RESULTS FOP subjects at baseline without clinically evident heterotopic ossification showed increased serum IL-3, IL-7, IL-8, and IL-10. CD14+ primary monocytes treated with the TLR4 activator LPS showed increased CCL5, CCR7, and CXCL10; abnormal cytokine/chemokine secretion; and prolonged activation of the NF-κB pathway. FOP macrophages derived from primary monocytes also showed abnormal cytokine/chemokine secretion, increased TGF-β production, and p38MAPK activation. Surprisingly, SMAD phosphorylation was not significantly changed in the FOP monocytes/macrophages. CONCLUSIONS Abnormal ACVR1 activity causes a proinflammatory state via increased NF-κB and p38MAPK activity. Similar changes may contribute to other types of heterotopic ossification, such as in scleroderma and dermatomyositis; after trauma; or with recombinant BMP-induced bone fusion. Our findings suggest that chronic antiinflammatory treatment may be useful for heterotopic ossification.
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Affiliation(s)
- Emilie Barruet
- Division of Endocrinology and Metabolism, Department of Medicine, and the Institute for Human Genetics, UCSF, San Francisco, California, USA
| | - Blanca M Morales
- Division of Endocrinology and Metabolism, Department of Medicine, and the Institute for Human Genetics, UCSF, San Francisco, California, USA
| | - Corey J Cain
- Division of Endocrinology and Metabolism, Department of Medicine, and the Institute for Human Genetics, UCSF, San Francisco, California, USA
| | - Amy N Ton
- Division of Endocrinology and Metabolism, Department of Medicine, and the Institute for Human Genetics, UCSF, San Francisco, California, USA
| | - Kelly L Wentworth
- Division of Endocrinology and Metabolism, Department of Medicine, and the Institute for Human Genetics, UCSF, San Francisco, California, USA
| | - Tea V Chan
- Division of Endocrinology and Metabolism, Department of Medicine, and the Institute for Human Genetics, UCSF, San Francisco, California, USA
| | - Tania A Moody
- Division of Endocrinology and Metabolism, Department of Medicine, and the Institute for Human Genetics, UCSF, San Francisco, California, USA
| | - Mariëlle C Haks
- Leiden University Medical Center, Department of Infectious Diseases, Leiden, Netherlands
| | - Tom Hm Ottenhoff
- Leiden University Medical Center, Department of Infectious Diseases, Leiden, Netherlands
| | - Judith Hellman
- Department of Anesthesia and Perioperative Care, UCSF, San Francisco, California, USA
| | - Mary C Nakamura
- Division of Rheumatology, Department of Medicine, San Francisco VA Health Care System, UCSF, San Francisco, California, USA
| | - Edward C Hsiao
- Division of Endocrinology and Metabolism, Department of Medicine, and the Institute for Human Genetics, UCSF, San Francisco, California, USA
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Tai YT, Cho SF, Anderson KC. Osteoclast Immunosuppressive Effects in Multiple Myeloma: Role of Programmed Cell Death Ligand 1. Front Immunol 2018; 9:1822. [PMID: 30147691 PMCID: PMC6095980 DOI: 10.3389/fimmu.2018.01822] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Accepted: 07/24/2018] [Indexed: 12/21/2022] Open
Abstract
Immunomodulatory drugs and monoclonal antibody-based immunotherapies have significantly improved the prognosis of the patients with multiple myeloma (MM) in the recent years. These new classes of reagents target malignant plasma cells (PCs) and further modulate the immune microenvironment, which prolongs anti-MM responses and may prevent tumor occurrence. Since MM remains an incurable cancer for most patients, there continues to be a need to identify new tumor target molecules and investigate alternative cellular approaches using gene therapeutic strategies and novel treatment mechanisms. Osteoclasts (OCs), as critical multi-nucleated large cells responsible for bone destruction in >80% MM patients, have become an attractive cellular target for the development of novel MM immunotherapies. In MM, OCs are induced and activated by malignant PCs in a reciprocal manner, leading to osteolytic bone disease commonly associated with this malignancy. Significantly, bidirectional interactions between OCs and MM cells create a positive feedback loop to promote MM cell progression, increase angiogenesis, and inhibit immune surveillance via both cell-cell contact and abnormal production of multiple cytokines/chemokines. Most recently, hyper-activated OCs have been associated with activation of programmed cell death protein 1 (PD-1)/programmed cell death ligand 1 (PD-L1) pathway, which impairs T cell proliferation and cytotoxicity against MM cells. Importantly, therapeutic anti-CD38 monoclonal antibodies and checkpoint inhibitors can alleviate OC-induced immune suppression. Furthermore, a proliferation-inducing ligand, abundantly secreted by OCs and OC precursors, significantly upregulates PD-L1 expression on MM cells, in addition to directly promoting MM cell proliferation and survival. Coupled with increased PD-L1 expression in other immune-suppressive cells, i.e., myeloid-derived suppressor cells and tumor-associated macrophages, these results strongly suggest that OCs contribute to the immunosuppressive MM BM microenvironment. Based on these findings and ongoing osteoimmunology studies, therapeutic interventions targeting OC number and function are under development to diminish both MM bone disease and related immune suppression. In this review, we discuss the classical and novel roles of OCs in the patho-immunology of MM. We also describe novel therapeutic strategies simultaneously targeting OCs and MM interactions, including PD-1/PD-L1 axis, to overcome the immune-suppressive microenvironment and improve patient outcome.
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Affiliation(s)
- Yu-Tzu Tai
- LeBow Institute for Myeloma Therapeutics and Jerome Lipper Multiple Myeloma Center, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, United States
| | - Shih-Feng Cho
- LeBow Institute for Myeloma Therapeutics and Jerome Lipper Multiple Myeloma Center, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, United States.,Division of Hematology & Oncology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.,Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Kenneth C Anderson
- LeBow Institute for Myeloma Therapeutics and Jerome Lipper Multiple Myeloma Center, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, United States
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Salamanna F, Borsari V, Contartese D, Nicoli Aldini N, Fini M. Link between estrogen deficiency osteoporosis and susceptibility to bone metastases: A way towards precision medicine in cancer patients. Breast 2018; 41:42-50. [PMID: 30007267 DOI: 10.1016/j.breast.2018.06.013] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Accepted: 06/21/2018] [Indexed: 01/18/2023] Open
Abstract
Different fields of cancer management consider bone health to be of increasing clinical importance for patients: 1) presence of bone metastases in many solid tumors, 2) use of bone-targeted treatments in the reduction of bone metastasis, 3) effects of cancer treatment on reproductive hormones, critical for normal bone remodeling maintenance. Additionally, bone microenvironment is further complicated by the decline of ovarian sex steroid production and by the related increase in inflammatory factors linked to menopause, which result in accelerated bone loss and increased risk of osteoporosis (OP). Similarly, cancers and metastasis to bone showed a close relationship with sex hormones (particularly estrogen). Thus, these findings raise a question: Could pre-existing estrogen deficiency OP promote and/or influence cancer cell homing and tumor growth in bone? Although some preclinical and clinical evidence exists, it is mandatory to understand this aspect that would be relevant in the clinical theatre, where physicians need to understand the treatments available to reduce the risk of skeletal disease in cancer patients. This descriptive systematic review summarizes preclinical and clinical studies dealing with bimodal interactions between pre-existing estrogen deficiency OP and bone metastasis development and provides evidence supporting differences in tumor growth and colonization between healthy and OP status. Few studies evaluated the impact of estrogen deficiency OP on the susceptibility to bone metastases. Therefore, implementing biological knowledge, could help researchers and clinicians to have a better comprehension of the importance of pre- and post-menopausal bone microenvironment and its clinical implications for precision medicine in cancer patients.
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Affiliation(s)
- F Salamanna
- Laboratory of Preclinical and Surgical Studies, Rizzoli RIT Department, IRCCS Rizzoli Orthopedic Institute, Via di Barbiano 1/10, Bologna, 40136, Italy
| | - V Borsari
- Laboratory of Preclinical and Surgical Studies, Rizzoli RIT Department, IRCCS Rizzoli Orthopedic Institute, Via di Barbiano 1/10, Bologna, 40136, Italy.
| | - D Contartese
- Laboratory of Preclinical and Surgical Studies, Rizzoli RIT Department, IRCCS Rizzoli Orthopedic Institute, Via di Barbiano 1/10, Bologna, 40136, Italy
| | - N Nicoli Aldini
- Laboratory of Preclinical and Surgical Studies, Rizzoli RIT Department, IRCCS Rizzoli Orthopedic Institute, Via di Barbiano 1/10, Bologna, 40136, Italy
| | - M Fini
- Laboratory of Biomechanics and Technology Innovation, Rizzoli RIT Department, IRCCS Rizzoli Orthopedic Institute, Via di Barbiano 1/10, Bologna, 40136, Italy
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Wan H, Qian TY, Hu XJ, Huang CY, Yao WF. Correlation of Serum CCL3/MIP-1α Levels with Disease Severity in Postmenopausal Osteoporotic Females. Balkan Med J 2018; 35:320-325. [PMID: 29666038 PMCID: PMC6060977 DOI: 10.4274/balkanmedj.2017.1165] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Background: The pro-inflammatory protein chemokine cytokine ligand 3 is well established as a vital regulator of bone resorption and osteoclast stimulation. Aims: To investigate if serum cytokine ligand 3 levels correlated with disease severity in postmenopausal osteoporotic women. Study Design: Cross-sectional study. Methods: Eighty-two postmenopausal osteoporotic women, 76 postmenopausal non-osteoporotic women, and 80 healthy women of childbearing age were recruited. The total hip, femoral neck, and L1-L4 spine bone mineral density were assessed by dual-energy X-ray absorptiometry. Serum cytokine ligand 3 concentrations were examined using a commercial enzyme-linked immunosorbent assay kit. Serum inflammatory cytokine interleukin-6, tumor necrosis factor-alpha, and the bone metabolic markers, carboxy-terminal crosslinked and tartrate-resistant acid phosphatase 5b were also examined. Scores on both the visual analogue scale and the Oswestry Disability Index were utilized to assess clinical severity. Results: Patients in the postmenopausal osteoporotic group had significantly increased serum cytokine ligand 3 levels compared with those in both the postmenopausal non-osteoporotic group (40.9±15.1 pg/mL vs 24.2±8.7 pg/mL, p<0.001) and control group (40.9±15.1 pg/mL vs 23.9±9.1 pg/mL, p<0.001). Serum cytokine ligand 3 levels negatively correlated with bone mineral density at the total hip (r=-0.345, p=0.002), femoral neck (r=-0.329, p=0.003), and L1-L4 lumbar spine (r=-0.354, p=0.001) and positively correlated with visual analogue scale scores (r=0.413, p<0.001) and the Oswestry Disability Index (r=0.360, p<0.001). Moreover, serum cytokine ligand 3 levels were correlated with increased tumor necrosis factor-alpha (r=0.305, p=0.005), interleukin-6 (r=0.288, p=0.008), terminal crosslinked and tartrate-resistant acid phosphatase 5b (r=0.371, p<0.001), and carboxy-terminal crosslinked (r=0.317, p=0.004) levels. All correlations were still significant after adjusting for both body mass index and age. Conclusion: Chemokine cytokine ligand 3 may be a useful biomarker that can be used to predict disease severity of postmenopausal osteoporosis. Therapies targeting cytokine ligand 3 and its related signaling pathways to inhibit and delay the osteoclastogenesis process deserve further investigation.
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Affiliation(s)
- Hui Wan
- Department of Endocrinology, Nanjing Medical University Affiliated Wuxi Second Hospital, Wuxi, China
| | - Tie-Yong Qian
- Department of Endocrinology, Nanjing Medical University Affiliated Wuxi Second Hospital, Wuxi, China
| | - Xiao-Jing Hu
- Department of Endocrinology, Nanjing Medical University Affiliated Wuxi Second Hospital, Wuxi, China
| | - Ci-You Huang
- Department of Endocrinology, Nanjing Medical University Affiliated Wuxi Second Hospital, Wuxi, China
| | - Wei-Feng Yao
- Department of Endocrinology, Nanjing Medical University Affiliated Wuxi Second Hospital, Wuxi, China
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Walsh MC, Takegahara N, Kim H, Choi Y. Updating osteoimmunology: regulation of bone cells by innate and adaptive immunity. Nat Rev Rheumatol 2018; 14:146-156. [PMID: 29323344 DOI: 10.1038/nrrheum.2017.213] [Citation(s) in RCA: 143] [Impact Index Per Article: 23.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Osteoimmunology encompasses all aspects of the cross-regulation of bone and the immune system, including various cell types, signalling pathways, cytokines and chemokines, under both homeostatic and pathogenic conditions. A number of key areas are of increasing interest and relevance to osteoimmunology researchers. Although rheumatoid arthritis has long been recognized as one of the most common autoimmune diseases to affect bone integrity, researchers have focused increased attention on understanding how molecular triggers and innate signalling pathways (such as Toll-like receptors and purinergic signalling pathways) related to pathogenic and/or commensal microbiota are relevant to bone biology and rheumatic diseases. Additionally, although most discussions relating to osteoimmune regulation of homeostasis and disease have focused on the effects of adaptive immune responses on bone, evidence exists of the regulation of immune cells by bone cells, a concept that is consistent with the established role of the bone marrow in the development and homeostasis of the immune system. The active regulation of immune cells by bone cells is an interesting emerging component of investigations that seek to understand how to control immune-associated diseases of the bone and joints.
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Affiliation(s)
- Matthew C Walsh
- Department of Pathology and Laboratory Medicine, University of Pennsylvania Perelman School of Medicine, 421 Curie Boulevard, Philadelphia, Pennsylvania 19104, USA
| | - Noriko Takegahara
- Department of Pathology and Laboratory Medicine, University of Pennsylvania Perelman School of Medicine, 421 Curie Boulevard, Philadelphia, Pennsylvania 19104, USA
| | - Hyunsoo Kim
- Department of Pathology and Laboratory Medicine, University of Pennsylvania Perelman School of Medicine, 421 Curie Boulevard, Philadelphia, Pennsylvania 19104, USA
| | - Yongwon Choi
- Department of Pathology and Laboratory Medicine, University of Pennsylvania Perelman School of Medicine, 421 Curie Boulevard, Philadelphia, Pennsylvania 19104, USA
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Owen KL, Parker BS. Beyond the vicious cycle: The role of innate osteoimmunity, automimicry and tumor-inherent changes in dictating bone metastasis. Mol Immunol 2017; 110:57-68. [PMID: 29191489 DOI: 10.1016/j.molimm.2017.11.023] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Accepted: 11/24/2017] [Indexed: 12/12/2022]
Abstract
Bone metastasis is a fatal consequence of a subset of solid malignancies that fail to respond to conventional therapies. While a myriad of factors contribute to osteotropism and disseminated cell survival and outgrowth in bone, efforts to inhibit tumor cell growth in the bone-metastatic niche have largely relied on measures that disrupt the bi-directional interactions between bone resident and tumor cells. However, the targeting of isolated stromal interactions has proven ineffective to date in inhibiting bone-metastatic progression and patient mortality. Osteoimmune regulation is now emerging as a critical determinant of metastatic growth in the bone microenvironment. While this has highlighted the importance of innate immune populations in dictating the temporal development of overt bone metastases, the osteoimmunological processes that underpin tumor cell progression in bone remain severely underexplored. Along with tumor-intrinsic alterations that occur specifically within the bone microenvironment, innate osteoimmunological crosstalk poses an exciting area of future discovery and therapeutic development. Here we review current knowledge of the unique exchange that occurs between bone resident cells, innate immune populations and tumor cells that leads to the establishment of a tumor-permissive milieu.
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Affiliation(s)
- Katie L Owen
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science, La Trobe University, Melbourne, Victoria, Australia
| | - Belinda S Parker
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science, La Trobe University, Melbourne, Victoria, Australia.
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Hart N, Nimphius S, Rantalainen T, Ireland A, Siafarikas A, Newton R. Mechanical basis of bone strength: influence of bone material, bone structure and muscle action. JOURNAL OF MUSCULOSKELETAL & NEURONAL INTERACTIONS 2017; 17:114-139. [PMID: 28860414 PMCID: PMC5601257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Accepted: 05/19/2017] [Indexed: 11/09/2022]
Abstract
This review summarises current understanding of how bone is sculpted through adaptive processes, designed to meet the mechanical challenges it faces in everyday life and athletic pursuits, serving as an update for clinicians, researchers and physical therapists. Bone's ability to resist fracture under the large muscle and locomotory forces it experiences during movement and in falls or collisions is dependent on its established mechanical properties, determined by bone's complex and multidimensional material and structural organisation. At all levels, bone is highly adaptive to habitual loading, regulating its structure according to components of its loading regime and mechanical environment, inclusive of strain magnitude, rate, frequency, distribution and deformation mode. Indeed, the greatest forces habitually applied to bone arise from muscular contractions, and the past two decades have seen substantial advances in our understanding of how these forces shape bone throughout life. Herein, we also highlight the limitations of in vivo methods to assess and understand bone collagen, and bone mineral at the material or tissue level. The inability to easily measure or closely regulate applied strain in humans is identified, limiting the translation of animal studies to human populations, and our exploration of how components of mechanical loading regimes influence mechanoadaptation.
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Affiliation(s)
- N.H. Hart
- Exercise Medicine Research Institute, Edith Cowan University, Perth, W.A., Australia
- Western Australian Bone Research Collaboration, Perth, W.A., Australia
| | - S. Nimphius
- Western Australian Bone Research Collaboration, Perth, W.A., Australia
- Centre for Exercise and Sport Science Research, Edith Cowan University, Perth, W.A., Australia
| | - T. Rantalainen
- Western Australian Bone Research Collaboration, Perth, W.A., Australia
- School of Exercise and Nutrition Sciences, Deakin University, Melbourne, VIC, Australia
| | - A. Ireland
- School of Healthcare Science, Manchester Metropolitan University, Manchester, United Kingdom
| | - A. Siafarikas
- Western Australian Bone Research Collaboration, Perth, W.A., Australia
- Department of Endocrinology, Princess Margaret Hospital, Perth, W.A., Australia
- School of Paediatrics and Child Health, University of Western Australia, Perth, W.A., Australia
- Institute of Health Research, University of Notre Dame Australia, Perth, W.A., Australia
| | - R.U. Newton
- Exercise Medicine Research Institute, Edith Cowan University, Perth, W.A., Australia
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Interleukin-32 Gamma Stimulates Bone Formation by Increasing miR-29a in Osteoblastic Cells and Prevents the Development of Osteoporosis. Sci Rep 2017; 7:40240. [PMID: 28079119 PMCID: PMC5228062 DOI: 10.1038/srep40240] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2016] [Accepted: 12/05/2016] [Indexed: 12/26/2022] Open
Abstract
Interleukin-32 gamma (IL-32γ) is a recently discovered cytokine that is elevated in inflamed tissues and contributes to pathogenic features of bone in human inflammatory rheumatic diseases. Nevertheless, the role of IL-32γ and its direct involvement in bone metabolism is unclear. We investigated the molecular mechanism of IL-32γ in bone remodeling and the hypothetical correlation between IL-32γ and disease activity in osteoporosis patients. Transgenic (TG) mice overexpressing human IL-32γ showed reduced bone loss with advancing age, increased bone formation, and high osteogenic capacity of osteoblast compared to wild-type (WT) mice through the upregulation of miR-29a, which caused a reduction of Dickkopf-1 (DKK1) expression. IL-32γ TG mice were protected against ovariectomy (OVX)induced osteoporosis compared with WT mice. Decreased plasma IL-32γ levels were associated with bone mineral density (BMD) in human patients linked to increased DKK1 levels. These results indicate that IL-32γ plays a protective role for bone loss, providing clinical evidence of a negative correlation between IL-32γ and DKK1 as bone metabolic markers.
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Faraji A, Abtahi S, Ghaderi A, Samsami Dehaghani A. Transforming Growth Factor β1 (TGF-β1) in the Sera of Postmenopausal Osteoporotic Females. Int J Endocrinol Metab 2016; 14:e36511. [PMID: 28123435 PMCID: PMC5237297 DOI: 10.5812/ijem.36511] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2016] [Revised: 09/26/2016] [Accepted: 10/16/2016] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND Postmenopausal osteoporosis is a major cause of morbidity in postmenopausal females. Transforming growth factor β1 (TGF-β1) and interleukin 18 (IL-18) play complex roles in normal bone metabolism, and in pathophysiology of postmenopausal osteoporosis. OBJECTIVES The aim of this study was to design an analytic cross sectional study in order to further clarify the role of TGF-β1 and IL-18 in osteoporosis of postmenopausal females. METHODS A cross sectional study including 65 postmenopausal osteoporotic females as cases and 69 postmenopausal females of similar age without osteoporosis as controls was conducted. Dual energy X-ray absorptiometry (DXA) was used to determine bone mass density (BMD) of participants and T-scoring was applied to establish whether the patient has osteoporosis or not. Serum TGF-β1 and IL-18 levels were measured by quantitative sandwich Enzyme linked immunosorbent assay (ELISA). RESULTS Serum TGF-β1 levels were significantly higher in osteoporotic postmenopausal females than non-osteoporotic individuals (23.8 vs. 15.8 ng/mL; P = 0.009). There was no difference between IL-18 levels in the sera of osteoporotic and non-osteoporotic postmenopausal females in this study. There was a positive correlation between body mass index (BMI) and serum level of TGF-β1 (P = 0.04). CONCLUSIONS Our study demonstrated that TGF-β1 serum levels is higher in osteoporotic postmenopausal females than non-osteoporotic ones, and probably aberrant increase in TGF-β1 in postmenopausal females can result in uncoupled bone resorption and formation, which leads to osteoporosis.
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Affiliation(s)
- Aazam Faraji
- Department of Obstetrics and Gynecology, School of Medicine, Shiraz, Iran
| | - Shabnam Abtahi
- Shiraz Institute for Cancer Research, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Abbas Ghaderi
- Shiraz Institute for Cancer Research, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Alamtaj Samsami Dehaghani
- Department of Obstetrics and Gynecology, School of Medicine, Shiraz, Iran
- Corresponding author: Alamtaj Samsami Dehaghani, Department of Obstetrics and Gynecology, School of Medicine, Shiraz, Iran. E-mail:
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A novel multi-population coevolution strategy for single objective immune optimization algorithm. Neural Comput Appl 2016. [DOI: 10.1007/s00521-016-2507-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Dou C, Cao Z, Yang B, Ding N, Hou T, Luo F, Kang F, Li J, Yang X, Jiang H, Xiang J, Quan H, Xu J, Dong S. Changing expression profiles of lncRNAs, mRNAs, circRNAs and miRNAs during osteoclastogenesis. Sci Rep 2016; 6:21499. [PMID: 26856880 PMCID: PMC4746671 DOI: 10.1038/srep21499] [Citation(s) in RCA: 142] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2015] [Accepted: 01/19/2016] [Indexed: 01/01/2023] Open
Abstract
Bone is a dynamic organ continuously undergoing shaping, repairing and remodeling. The homeostasis of bone is maintained by the balance between osteoblastic bone formation and osteoclastic bone resorption. Osteoclasts (OCs) are specialized multinucleated cells derived from hematopoietic stem cells (HSCs) or monocytes/macrophage progenitor cells. There are different stages during osteoclastogenesis, and one of the most important steps to form functional osteoclasts is realized by cell-cell fusion. In our study, microarray was performed to detect the expression profiles of lncRNA, mRNA, circRNA and miRNA at different stages during osteoclastogenesis of RAW264.7 cells. Often changed RNAs were selected and clustered among the four groups with Venn analysis. The results revealed that expressions of 518 lncRNAs, 207 mRNAs, 24 circRNAs and 37 miRNAs were often altered at each stage during OC differentiation. Gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) biological pathway analysis were performed to predict the functions of differentially expressed lncRNAs and co-expressed potential targeting genes. Co-expression networks of lncRNA-mRNA and circRNA-miRNA were constructed based on the correlation analysis between the differentially expressed RNAs. The present study provided a systematic perspective on the potential function of non-coding RNAs (ncRNAs) during osteoclastogenesis.
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Affiliation(s)
- Ce Dou
- Department of Orthopedics, Southwest Hospital, Third Military Medical University, Chongqing, China.,Department of Biomedical Materials Science, School of Biomedical Engineering, Third Military Medical University, Chongqing, China
| | - Zhen Cao
- Department of Biomedical Materials Science, School of Biomedical Engineering, Third Military Medical University, Chongqing, China
| | - Bo Yang
- Department of Anatomy, Third Military Medical University, Chongqing, China
| | - Ning Ding
- Department of Anatomy, Third Military Medical University, Chongqing, China
| | - Tianyong Hou
- Department of Orthopedics, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Fei Luo
- Department of Orthopedics, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Fei Kang
- Department of Biomedical Materials Science, School of Biomedical Engineering, Third Military Medical University, Chongqing, China
| | - Jianmei Li
- Department of Biomedical Materials Science, School of Biomedical Engineering, Third Military Medical University, Chongqing, China
| | - Xiaochao Yang
- Department of Biomedical Materials Science, School of Biomedical Engineering, Third Military Medical University, Chongqing, China
| | - Hong Jiang
- Department of Biomedical Materials Science, School of Biomedical Engineering, Third Military Medical University, Chongqing, China
| | - Junyu Xiang
- Department of Biomedical Materials Science, School of Biomedical Engineering, Third Military Medical University, Chongqing, China
| | - Hongyu Quan
- Department of Biomedical Materials Science, School of Biomedical Engineering, Third Military Medical University, Chongqing, China
| | - Jianzhong Xu
- Department of Orthopedics, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Shiwu Dong
- Department of Biomedical Materials Science, School of Biomedical Engineering, Third Military Medical University, Chongqing, China.,China Orthopedic Regenerative Medicine Group (CORMed), Chongqing, China
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Ginaldi L, De Martinis M, Ciccarelli F, Saitta S, Imbesi S, Mannucci C, Gangemi S. Increased levels of interleukin 31 (IL-31) in osteoporosis. BMC Immunol 2015; 16:60. [PMID: 26449657 PMCID: PMC4599585 DOI: 10.1186/s12865-015-0125-9] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2015] [Accepted: 09/30/2015] [Indexed: 12/28/2022] Open
Abstract
Background Several inflammatory cytokines play a key part in the induction of osteoporosis. Until now, involvement of the Th2 cytokine interleukin-31 (IL-31) in osteoporosis hadn’t yet been studied. IL-31 is a proinflammatory cytokine mediating multiple immune functions, whose involvement in a wide range of diseases, such as atopic dermatitis, inflammatory bowel diseases and cutaneous lymphomas, is now emerging. Given the important role of IL-31 in inflammation, we measured its serum levels in postmenopausal osteoporotic patients. Methods and results In fifty-six postmenopausal females with osteoporosis and 26 healthy controls, bone mineral density (BMD) measurements were performed by using calcaneal quantitative ultrasound (QUS) technique, confirmed at the lumbar spine and hip by dual energy X-ray absorptiometry (DXA). Both patients and controls were divided according to age (less or more than 65 years) and disease severity (T-score levels and presence of fractures). Serum IL-31 levels were measured by ELISA technique. Osteoporotic patients exhibited elevated levels of serum IL-31 compared with healthy controls (43.12 ± 6.97 vs 29.58 ± 6.09 pg/ml; p < 0.049). IL-31 expression was higher in over 65 years old patients compared to age-matched controls (45 ± 11.05 vs. 17.92 ± 5.92; p < 0.01), whereas in younger subjects no statistically significant differences were detected between patients and controls (37.91 ± 6.9 vs 32.08 ± 8.2). No statistically significant differences were found between IL-31 levels in patients affected by mild (T-score > -3) compared to severe (T-score < -3) osteoporosis (59.17 ± 9.22 vs 37.91 ± 10.52), neither between fractured and unfractured osteoporotic women (33.75 ± 9.16 vs 51.25 ± 8.9). Conclusions We showed for the first time an increase of IL-31 serum levels in postmenopausal women with decreased BMD. Although they did not reflect the severity of osteoporosis and/or the presence of fractures, they clearly correlated with age, as reflected by the higher levels of this cytokine in aged patients.
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Affiliation(s)
- Lia Ginaldi
- Department of Life, Health, & Environmental Sciences, University of L'Aquila, L'Aquila, Italy.
| | - Massimo De Martinis
- Department of Life, Health, & Environmental Sciences, University of L'Aquila, L'Aquila, Italy.
| | - Fedra Ciccarelli
- Department of Life, Health, & Environmental Sciences, University of L'Aquila, L'Aquila, Italy.
| | - Salvatore Saitta
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy.
| | - Selene Imbesi
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy.
| | - Carmen Mannucci
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy.
| | - Sebastiano Gangemi
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy.
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Folestad A, Ålund M, Asteberg S, Fowelin J, Aurell Y, Göthlin J, Cassuto J. IL-17 cytokines in bone healing of diabetic Charcot arthropathy patients: a prospective 2 year follow-up study. J Foot Ankle Res 2015; 8:39. [PMID: 26288655 PMCID: PMC4539704 DOI: 10.1186/s13047-015-0096-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2015] [Accepted: 08/04/2015] [Indexed: 01/04/2023] Open
Abstract
Background Little is currently known of the pathophysiological mechanisms triggering Charcot arthropathy and regulating its recovery although foot trauma has been proposed as a major initiating factor by activation of proinflammatory cytokines leading to increased osteoclastogenic activity and progressive bone destruction. Several members of the IL-17 family of proinflammatory cytokines have been shown to play a key role in the pathogenesis of inflammatory conditions affecting bone and joints but none has previously been studied in Charcot foot patients. The aim of this study was to investigate the role of IL-17A, IL-17E and IL-17F in patients presenting with Charcot foot. Methods Twenty-six consecutive Charcot patients were monitored during 2 years by repeated foot radiographs, MRI and circulating levels of IL-17A, IL-17E and IL-17F. Analysis of cytokines was done by ultra-sensitive chemiluminescence technique and data were analyzed by one-way repeated measures ANOVA. Neuropathic diabetic patients (n = 20) and healthy subjects (n = 20) served as controls. Results Plasma IL-17A and IL-17E in weight-bearing Charcot patients at diagnosis were at the level of diabetic controls, whereas IL-17F was significantly lower than diabetic controls. A significant increase in IL-17A and IL-17E reaching a peak 2–4 months after inclusion and start of offloading treatment in Charcot patients was followed by a gradual decrease to the level of diabetic controls at 2 years postinclusion. In contrast, IL-17F increased gradually from inclusion to a level not significantly different from diabetic controls after 2 years. Conclusions Charcot patients display a significant elevation of all three IL-17 cytokines during the follow-up period relative values at diagnosis and values in control patients supporting a role in the bone repair and remodeling activity during the recovery phase. The rapid increase of IL-17A and IL-17E shortly after initiating off-loading treatment could suggest this to be a response to immobilization and stabilization of the diseased foot.
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Affiliation(s)
- Agnetha Folestad
- Department of Orthopaedics, CapioLundby Hospital, Göteborg, Sweden
| | - Martin Ålund
- Department of Orthopaedics, Sahlgrenska University Hospital, Mölndal, Sweden
| | - Susanne Asteberg
- Department of Orthopaedics, Sahlgrenska University Hospital, Mölndal, Sweden
| | - Jesper Fowelin
- Diabetes Care Unit, Department of Medicine, Frölunda Specialist Hospital, Västra Frölunda, Göteborg, Sweden
| | - Ylva Aurell
- Department of Radiology, Sahlgrenska University Hospital, Mölndal, Sweden
| | - Jan Göthlin
- Department of Radiology, Sahlgrenska University Hospital, Mölndal, Sweden
| | - Jean Cassuto
- Orthopaedic Research Unit, Sahlgrenska University Hospital, Staben, Hus U1, 431 80 Mölndal, Sweden, Göteborg University, Göteborg, Sweden
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Zheutlin AR, Deshpande SS, Nelson NS, Polyatskaya Y, Rodriguez JJ, Donneys A, Buchman SR. A Histomorphometric Analysis of Radiation Damage in an Isogenic Murine Model of Distraction Osteogenesis. J Oral Maxillofac Surg 2015; 73:2419-28. [PMID: 26341682 DOI: 10.1016/j.joms.2015.08.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2015] [Revised: 07/31/2015] [Accepted: 08/01/2015] [Indexed: 12/31/2022]
Abstract
PURPOSE The devastation radiation therapy (XRT) causes to endogenous tissue in patients with head and neck cancer can be a prohibitive obstacle in reconstruction of the mandible, demanding a better understanding of XRT-induced damage and options for reconstruction. This study investigated the cellular damage caused by radiation in an isogenic murine model of mandibular distraction osteogenesis (DO). The authors posited that radiation would result in fewer osteocytes, with increased empty lacunae and immature osteoid. MATERIALS AND METHODS Twenty Lewis rats were randomly assigned to a DO group (n = 10) or a XRT/DO group (n = 10). These groups underwent an osteotomy and mandibular DO across a 5.1-mm gap. XRT was administered to the XRT/DO group at a fractionated human equivalent dose of 35 Gy before surgery. Animals were sacrificed on postoperative day 40 and mandibles were harvested and sectioned for histologic analysis. RESULTS Bone that underwent radiation showed a significantly decreased osteocyte count and complementary increase in empty lacunae compared with non-XRT bone (P = .019 and P = .000). In addition, XRT bone exhibited increased immature osteoid and decreased mature woven bone compared with nonradiated bone (P = .001 and P = .003, respectively). Furthermore, analysis of the ratio of immature osteoid to woven bone volume exhibited a significant increase in the XRT bone, further showing the devastating damage from XRT (P = .001). CONCLUSION These results clearly show the cellular diminution that occurs as a result of radiation. This foundational study provides the groundwork on which to investigate cellular therapies in an immuno-privileged model of mandibular DO.
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Affiliation(s)
- Alexander R Zheutlin
- Medical Student, Craniofacial Research Laboratory, Plastic Surgery Section, University of Michigan, Ann Arbor, MI
| | - Sagar S Deshpande
- Medical Student, Craniofacial Research Laboratory, Plastic Surgery Section, University of Michigan, Ann Arbor, MI
| | - Noah S Nelson
- Research Fellow, Craniofacial Research Laboratory, Plastic Surgery Section, University of Michigan, Ann Arbor, MI
| | - Yekaterina Polyatskaya
- Resident, Craniofacial Research Laboratory, Plastic Surgery Section, University of Michigan, Ann Arbor, MI
| | - Jose J Rodriguez
- Research Fellow, Craniofacial Research Laboratory, Plastic Surgery Section, University of Michigan, Ann Arbor, MI
| | - Alexis Donneys
- Research Fellow, Craniofacial Research Laboratory, Plastic Surgery Section, University of Michigan, Ann Arbor, MI
| | - Steven R Buchman
- Professor in Plastic Surgery, Craniofacial Research Laboratory, Plastic Surgery Section, University of Michigan, Ann Arbor, MI.
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Convente MR, Wang H, Pignolo RJ, Kaplan FS, Shore EM. The immunological contribution to heterotopic ossification disorders. Curr Osteoporos Rep 2015; 13:116-24. [PMID: 25687936 PMCID: PMC4417939 DOI: 10.1007/s11914-015-0258-z] [Citation(s) in RCA: 59] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The formation of bone outside the endogenous skeleton is a significant clinical event, rendering affected individuals with immobility and a diminished quality of life. This bone, termed heterotopic ossification (HO), can appear in patients following invasive surgeries and traumatic injuries, as well as progressively manifest in several congenital disorders. A unifying feature of both genetic and nongenetic episodes of HO is immune system involvement at the early stages of disease. Activation of the immune system sets the stage for the downstream anabolic events that eventually result in ectopic bone formation, rendering the immune system a particularly appealing site of early therapeutic intervention for optimal management of disease. In this review, we will discuss the immunological contributions to HO disorders, with specific focus on contributing cell types, signaling pathways, relevant in vivo animal models, and potential therapeutic targets.
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Affiliation(s)
- Michael R Convente
- Center for Research in FOP and Related Disorders, Perelman School of Medicine, University of Pennsylvania, 424 Stemmler Hall, 36th Street and Hamilton Walk, Philadelphia, PA, 19104, USA,
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