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Yu Y, Lee S, Bock M, An SB, Shin HE, Rim JS, Kwon JO, Park KS, Han I. Promotion of Bone Formation in a Rat Osteoporotic Vertebral Body Defect Model via Suppression of Osteoclastogenesis by Ectopic Embryonic Calvaria Derived Mesenchymal Stem Cells. Int J Mol Sci 2024; 25:8174. [PMID: 39125746 PMCID: PMC11311643 DOI: 10.3390/ijms25158174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2024] [Revised: 07/22/2024] [Accepted: 07/24/2024] [Indexed: 08/12/2024] Open
Abstract
Osteoporotic vertebral compression fractures (OVCFs) are the most prevalent fractures among patients with osteoporosis, leading to severe pain, deformities, and even death. This study explored the use of ectopic embryonic calvaria derived mesenchymal stem cells (EE-cMSCs), which are known for their superior differentiation and proliferation capabilities, as a potential treatment for bone regeneration in OVCFs. We evaluated the impact of EE-cMSCs on osteoclastogenesis in a RAW264.7 cell environment, which was induced by the receptor activator of nuclear factor kappa-beta ligand (RANKL), using cytochemical staining and quantitative real-time PCR. The osteogenic potential of EE-cMSCs was evaluated under various hydrogel conditions. An osteoporotic vertebral body bone defect model was established by inducing osteoporosis in rats through bilateral ovariectomy and creating defects in their coccygeal vertebral bodies. The effects of EE-cMSCs were examined using micro-computed tomography (μCT) and histology, including immunohistochemical analyses. In vitro, EE-cMSCs inhibited osteoclast differentiation and promoted osteogenesis in a 3D cell culture environment using fibrin hydrogel. Moreover, μCT and histological staining demonstrated increased new bone formation in the group treated with EE-cMSCs and fibrin. Immunostaining showed reduced osteoclast activity and bone resorption, alongside increased angiogenesis. Thus, EE-cMSCs can effectively promote bone regeneration and may represent a promising therapeutic approach for treating OVCFs.
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Affiliation(s)
- Yerin Yu
- Department of Neurosurgery, CHA Bundang Medical Center, CHA University, Seongnam-si 13496, Republic of Korea; (Y.Y.); (S.L.); (M.B.); (S.B.A.); (H.E.S.); (K.-S.P.)
| | - Somin Lee
- Department of Neurosurgery, CHA Bundang Medical Center, CHA University, Seongnam-si 13496, Republic of Korea; (Y.Y.); (S.L.); (M.B.); (S.B.A.); (H.E.S.); (K.-S.P.)
| | - Minsung Bock
- Department of Neurosurgery, CHA Bundang Medical Center, CHA University, Seongnam-si 13496, Republic of Korea; (Y.Y.); (S.L.); (M.B.); (S.B.A.); (H.E.S.); (K.-S.P.)
| | - Seong Bae An
- Department of Neurosurgery, CHA Bundang Medical Center, CHA University, Seongnam-si 13496, Republic of Korea; (Y.Y.); (S.L.); (M.B.); (S.B.A.); (H.E.S.); (K.-S.P.)
- Advanced Regenerative Medicine Research Center, CHA Future Medicine Research Institute, Seongnam-si 13488, Republic of Korea
| | - Hae Eun Shin
- Department of Neurosurgery, CHA Bundang Medical Center, CHA University, Seongnam-si 13496, Republic of Korea; (Y.Y.); (S.L.); (M.B.); (S.B.A.); (H.E.S.); (K.-S.P.)
| | - Jong Seop Rim
- Fetal Stem Cell Research Center, CHA Advanced Research Institute, Seongnam-si 13488, Republic of Korea; (J.S.R.); (J.-o.K.)
| | - Jun-oh Kwon
- Fetal Stem Cell Research Center, CHA Advanced Research Institute, Seongnam-si 13488, Republic of Korea; (J.S.R.); (J.-o.K.)
| | - Kwang-Sook Park
- Department of Neurosurgery, CHA Bundang Medical Center, CHA University, Seongnam-si 13496, Republic of Korea; (Y.Y.); (S.L.); (M.B.); (S.B.A.); (H.E.S.); (K.-S.P.)
- Advanced Regenerative Medicine Research Center, CHA Future Medicine Research Institute, Seongnam-si 13488, Republic of Korea
| | - Inbo Han
- Department of Neurosurgery, CHA Bundang Medical Center, CHA University, Seongnam-si 13496, Republic of Korea; (Y.Y.); (S.L.); (M.B.); (S.B.A.); (H.E.S.); (K.-S.P.)
- Advanced Regenerative Medicine Research Center, CHA Future Medicine Research Institute, Seongnam-si 13488, Republic of Korea
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Kim MC, De U, Borcherding N, Wang L, Paek J, Bhattacharyya I, Yu Q, Kolb R, Drashansky T, Thatayatikom A, Zhang W, Cha S. Single-cell transcriptomics unveil profiles and interplay of immune subsets in rare autoimmune childhood Sjögren's disease. Commun Biol 2024; 7:481. [PMID: 38641668 PMCID: PMC11031574 DOI: 10.1038/s42003-024-06124-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Accepted: 03/29/2024] [Indexed: 04/21/2024] Open
Abstract
Childhood Sjögren's disease represents critically unmet medical needs due to a complete lack of immunological and molecular characterizations. This study presents key immune cell subsets and their interactions in the periphery in childhood Sjögren's disease. Here we show that single-cell RNA sequencing identifies the subsets of IFN gene-enriched monocytes, CD4+ T effector memory, and XCL1+ NK cells as potential key players in childhood Sjögren's disease, and especially in those with recurrent parotitis, which is the chief symptom prompting clinical visits from young children. A unique cluster of monocytes with type I and II IFN-related genes is identified in childhood Sjögren's disease, compared to the age-matched control. In vitro regulatory T cell functional assay demonstrates intact functionality in childhood Sjögren's disease in contrast to reduced suppression in adult Sjögren's disease. Mapping this transcriptomic landscape and interplay of immune cell subsets will expedite the understanding of childhood Sjögren's disease pathogenesis and set the foundation for precision medicine.
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Affiliation(s)
- Myung-Chul Kim
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida College of Medicine, Gainesville, FL, 32610, USA
- UF Health Cancer Center, University of Florida, Gainesville, FL, 32610, USA
- Diagnostic Laboratory Medicine, College of Veterinary Medicine, Jeju National University, Jeju, 63243, Republic of Korea
- Research Institute of Veterinary Medicine, College of Veterinary Medicine, Jeju National University, Jeju, 63243, Republic of Korea
- Center for Orphaned Autoimmune Disorders, University of Florida College of Dentistry, Gainesville, FL, 32610, USA
| | - Umasankar De
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida College of Medicine, Gainesville, FL, 32610, USA
- UF Health Cancer Center, University of Florida, Gainesville, FL, 32610, USA
| | - Nicholas Borcherding
- Department of Pathology & Immunology, Washington University School of Medicine in St. Louis, St Louis, MO, 63110, USA
| | - Lei Wang
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida College of Medicine, Gainesville, FL, 32610, USA
- UF Health Cancer Center, University of Florida, Gainesville, FL, 32610, USA
| | - Joon Paek
- Center for Orphaned Autoimmune Disorders, University of Florida College of Dentistry, Gainesville, FL, 32610, USA
- Department of Pathology & Immunology, Washington University School of Medicine in St. Louis, St Louis, MO, 63110, USA
| | - Indraneel Bhattacharyya
- Center for Orphaned Autoimmune Disorders, University of Florida College of Dentistry, Gainesville, FL, 32610, USA
- Department of Oral & Maxillofacial Diagnostic Sciences, University of Florida College of Dentistry, Gainesville, FL, 32610, USA
| | - Qing Yu
- The Forsyth Institute, Cambridge, MA, 02142, USA
| | - Ryan Kolb
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida College of Medicine, Gainesville, FL, 32610, USA
- UF Health Cancer Center, University of Florida, Gainesville, FL, 32610, USA
| | | | | | - Weizhou Zhang
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida College of Medicine, Gainesville, FL, 32610, USA.
- UF Health Cancer Center, University of Florida, Gainesville, FL, 32610, USA.
| | - Seunghee Cha
- Center for Orphaned Autoimmune Disorders, University of Florida College of Dentistry, Gainesville, FL, 32610, USA.
- Department of Oral & Maxillofacial Diagnostic Sciences, University of Florida College of Dentistry, Gainesville, FL, 32610, USA.
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Lian WS, Wu RW, Lin YH, Chen YS, Jahr H, Wang FS. Tricarboxylic Acid Cycle Regulation of Metabolic Program, Redox System, and Epigenetic Remodeling for Bone Health and Disease. Antioxidants (Basel) 2024; 13:470. [PMID: 38671918 PMCID: PMC11047415 DOI: 10.3390/antiox13040470] [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: 02/26/2024] [Revised: 04/07/2024] [Accepted: 04/15/2024] [Indexed: 04/28/2024] Open
Abstract
Imbalanced osteogenic cell-mediated bone gain and osteoclastic remodeling accelerates the development of osteoporosis, which is the leading risk factor of disability in the elderly. Harmonizing the metabolic actions of bone-making cells and bone resorbing cells to the mineralized matrix network is required to maintain bone mass homeostasis. The tricarboxylic acid (TCA) cycle in mitochondria is a crucial process for cellular energy production and redox homeostasis. The canonical actions of TCA cycle enzymes and intermediates are indispensable in oxidative phosphorylation and adenosine triphosphate (ATP) biosynthesis for osteogenic differentiation and osteoclast formation. Knockout mouse models identify these enzymes' roles in bone mass and microarchitecture. In the noncanonical processes, the metabolites as a co-factor or a substrate involve epigenetic modification, including histone acetyltransferases, DNA demethylases, RNA m6A demethylases, and histone demethylases, which affect genomic stability or chromatin accessibility for cell metabolism and bone formation and resorption. The genetic manipulation of these epigenetic regulators or TCA cycle intermediate supplementation compromises age, estrogen deficiency, or inflammation-induced bone mass loss and microstructure deterioration. This review sheds light on the metabolic functions of the TCA cycle in terms of bone integrity and highlights the crosstalk of the TCA cycle and redox and epigenetic pathways in skeletal tissue metabolism and the intermediates as treatment options for delaying osteoporosis.
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Affiliation(s)
- Wei-Shiung Lian
- Core Laboratory for Phenomics and Diagnostic, College of Medicine, Chang Gung University, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833401, Taiwan; (W.-S.L.); (Y.-S.C.)
- Center for Mitochondrial Research and Medicine, College of Medicine, Chang Gung University, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833401, Taiwan;
- Department of Medical Research, College of Medicine, Chang Gung University, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833401, Taiwan
| | - Re-Wen Wu
- Department of Orthopedic Surgery, College of Medicine, Chang Gung University, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 83301, Taiwan;
| | - Yu-Han Lin
- Center for Mitochondrial Research and Medicine, College of Medicine, Chang Gung University, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833401, Taiwan;
| | - Yu-Shan Chen
- Core Laboratory for Phenomics and Diagnostic, College of Medicine, Chang Gung University, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833401, Taiwan; (W.-S.L.); (Y.-S.C.)
- Department of Medical Research, College of Medicine, Chang Gung University, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833401, Taiwan
| | - Holger Jahr
- Department of Anatomy and Cell Biology, University Hospital RWTH, 52074 Aachen, Germany;
- Department of Orthopedic Surgery, Maastricht University Medical Center, 6229 HX Maastricht, The Netherlands
| | - Feng-Sheng Wang
- Core Laboratory for Phenomics and Diagnostic, College of Medicine, Chang Gung University, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833401, Taiwan; (W.-S.L.); (Y.-S.C.)
- Center for Mitochondrial Research and Medicine, College of Medicine, Chang Gung University, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833401, Taiwan;
- Department of Medical Research, College of Medicine, Chang Gung University, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833401, Taiwan
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Liu K, Wang Z, Liu J, Zhao W, Qiao F, He Q, Shi J, Meng Q, Wei J, Cheng L. Atsttrin regulates osteoblastogenesis and osteoclastogenesis through the TNFR pathway. Commun Biol 2023; 6:1251. [PMID: 38081906 PMCID: PMC10713527 DOI: 10.1038/s42003-023-05635-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 11/27/2023] [Indexed: 12/18/2023] Open
Abstract
Osteoporosis is a systemic metabolic bone disorder for which inflammatory cytokines play an important role. To develop new osteoporosis treatments, strategies for improving the microenvironment for osteoblast and osteoclast balance are needed. Tumor necrosis factor-α (TNF-α) plays an important role in the initiation and development of osteoporosis. Atsttrin is an engineered protein derived from the growth factor, progranulin (PGRN). The present study investigates whether Atsttrin affects osteoclast formation and osteoblast formation. Here we show Atsttrin inhibits TNF-α-induced osteoclastogenesis and inflammation. Further mechanistic investigation indicates Atsttrin inhibits TNF-α-induced osteoclastogenesis through the TNFR1 signaling pathway. Moreover, Atsttrin rescues TNF-α-mediated inhibition of osteoblastogenesis via the TNFR1 pathway. Importantly, the present study indicates that while Atsttrin cannot directly induce osteoblastogenesis, it can significantly enhance osteoblastogenesis through TNFR2-Akt-Erk1/2 signaling. These results suggest that Atsttrin treatment could potentially be a strategy for maintaining proper bone homeostasis by regulating the osteoclast/osteoblast balance. Additionally, these results provide new insights for other bone metabolism-related diseases.
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Affiliation(s)
- Kaiwen Liu
- Department of Orthopedic, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China
| | - Zihao Wang
- Department of Orthopedic, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China
| | - Jinbo Liu
- Department of Orthopedic, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China
| | - Wei Zhao
- Department of Orthopedic, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China
| | - Fei Qiao
- Department of Orthopedic, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China
- Department of Pediatric Orthopedic, Dalian Women and Children's Medical Center(group), Dalian, Liaoning, 116012, China
| | - Qiting He
- Department of Orthopedics, Honghui Hospital, Xian Jiaotong University, Xian, Shanxi, 710054, China
| | - Jie Shi
- Department of Orthopedic, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China
| | - Qunbo Meng
- Department of Orthopedic, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China
| | - Jianlu Wei
- Department of Orthopedic, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China.
| | - Lei Cheng
- Department of Orthopedic, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China.
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