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Zhang L, Wang JY, Zhao CY, Shen C, Chen MR, Tian ZY. Prognostic role of the stromal cell derived factor-1 in patients with hepatitis B virus-related acute-on-chronic liver failure. World J Clin Cases 2024; 12:3845-3853. [DOI: 10.12998/wjcc.v12.i19.3845] [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: 03/09/2024] [Revised: 05/07/2024] [Accepted: 05/13/2024] [Indexed: 06/29/2024] Open
Abstract
BACKGROUND Stromal cell derived factor-1 (SDF-1) plays a pivotal role in the recruitment of stem cells to injured livers. However, the changes of SDF-l in patients with hepatitis B virus (HBV)-related acute-on-chronic liver failure (ACLF) have yet to be elucidated.
AIM To study the SDF-1 changes in patients with HBV-related ACLF.
METHODS 30 patients with HBV-related ACLF, 27 patients with chronic hepatitis B and 20 healthy individuals are involved in our study. The SDF-l mRNA expression in liver tissue was detected by quantitative real-time polymerase chain reaction. Immunohistochemical staining was performed to illustrate the expression of SDF-l, CXC receptor 4 (CXCR4) and Ki67. The serum SDF-l concentrations were also detected by enzyme-linked immunosorbent assays.
RESULTS The expression of SDF-1 mRNA from ACLF patients was remarkably higher than that from other patients (both P < 0.05). The expression of SDF-l, CXCR4 and Ki67 from ACLF were the highest among the three groups (all P < 0.01). The serum SDF-l levels in ACLF patients were significantly lower than that in other patients (both P < 0.01). Moreover, in ACLF patients, the serum SDF-1 Levels were positively correlated with serum total bilirubin and international normalized ratio. In addition, the serum SDF-l levels in survival were significantly lower compared with the non-survivals (P < 0.05). The area under the curve for the serum SDF-1 level in predicting 28-d mortality was 0.722 (P < 0.05).
CONCLUSION This study provides the SDF-1 changes in patients with HBV-related ACLF. The SDF-1 Level at admission may serve as a promising prognostic marker for predicting short-term prognosis.
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Affiliation(s)
- Li Zhang
- Department of Gastroenterology, Hengshui People's Hospital, Hengshui 053000, Hebei Province, China
| | - Jian-Yu Wang
- Department of Neurology, Hengshui People's Hospital, Hengshui 053000, Hebei Province, China
| | - Cai-Yan Zhao
- Department of Infection, The Third Affiliated Hospital of Hebei Medical University, Shijiazhuang 050000, Hebei Province, China
| | - Chuan Shen
- Department of Infection, The Third Affiliated Hospital of Hebei Medical University, Shijiazhuang 050000, Hebei Province, China
| | - Mei-Ru Chen
- Department of Gastroenterology, Hengshui People's Hospital, Hengshui 053000, Hebei Province, China
| | - Zhi-Ying Tian
- Department of Gastroenterology, Hengshui People's Hospital, Hengshui 053000, Hebei Province, China
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Qin W, Liu K, Su H, Hou J, Yang S, Pan K, Yang S, Liu J, Zhou P, Lin Z, Zhen P, Mo Y, Fan B, Li Z, Kuang X, Nie X, Hua Q. Tibial cortex transverse transport promotes ischemic diabetic foot ulcer healing via enhanced angiogenesis and inflammation modulation in a novel rat model. Eur J Med Res 2024; 29:155. [PMID: 38449025 PMCID: PMC10918950 DOI: 10.1186/s40001-024-01752-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Accepted: 02/28/2024] [Indexed: 03/08/2024] Open
Abstract
BACKGROUND Tibial Cortex Transverse Transport (TTT) represents an innovative surgical method for treating lower extremity diabetic foot ulcers (DFUs), yet its underlying mechanisms remain elusive. Establishing an animal model that closely mirrors clinical scenarios is both critical and novel for elucidating the mechanisms of TTT. METHODS We established a diabetic rat model with induced hindlimb ischemia to mimic the clinical manifestation of DFUs. TTT was applied using an external fixator for regulated bone movement. Treatment efficacy was evaluated through wound healing assessments, histological analyses, and immunohistochemical techniques to elucidate biological processes. RESULTS The TTT group demonstrated expedited wound healing, improved skin tissue regeneration, and diminished inflammation relative to controls. Marked neovascularization and upregulation of angiogenic factors were observed, with the HIF-1α/SDF-1/CXCR4 pathway and an increase in EPCs being pivotal in these processes. A transition toward anti-inflammatory M2 macrophages indicated TTT's immunomodulatory capacity. CONCLUSION Our innovative rat model effectively demonstrates the therapeutic potential of TTT in treating DFUs. We identified TTT's roles in promoting angiogenesis and modulating the immune system. This paves the way for further in-depth research and potential clinical applications to improve DFU management strategies.
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Affiliation(s)
- Wencong Qin
- Department of Bone and Joint Surgery, (Guangxi Diabetic Foot Salvage Engineering Research Center), The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, Guangxi, China
| | - Kaibin Liu
- Department of Bone and Joint Surgery, (Guangxi Diabetic Foot Salvage Engineering Research Center), The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, Guangxi, China
| | - Hongjie Su
- Department of Bone and Joint Surgery, (Guangxi Diabetic Foot Salvage Engineering Research Center), The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, Guangxi, China
- Collaborative Innovation Centre of Regenerative Medicine and Medical Bio-Resource Development and Application Co-constructed by the Province and Ministry, Guangxi Medical University, Nanning, 530021, Guangxi, China
- Research Centre for Regenerative Medicine, Guangxi Medical University, Nanning, China
| | - Jun Hou
- Department of Bone and Joint Surgery, (Guangxi Diabetic Foot Salvage Engineering Research Center), The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, Guangxi, China
- Collaborative Innovation Centre of Regenerative Medicine and Medical Bio-Resource Development and Application Co-constructed by the Province and Ministry, Guangxi Medical University, Nanning, 530021, Guangxi, China
- Research Centre for Regenerative Medicine, Guangxi Medical University, Nanning, China
| | - Shenghui Yang
- Department of Bone and Joint Surgery, (Guangxi Diabetic Foot Salvage Engineering Research Center), The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, Guangxi, China
- Research Centre for Regenerative Medicine, Guangxi Medical University, Nanning, China
| | - Kaixiang Pan
- Department of Bone and Joint Surgery, (Guangxi Diabetic Foot Salvage Engineering Research Center), The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, Guangxi, China
| | - Sijie Yang
- Department of Bone and Joint Surgery, (Guangxi Diabetic Foot Salvage Engineering Research Center), The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, Guangxi, China
- Collaborative Innovation Centre of Regenerative Medicine and Medical Bio-Resource Development and Application Co-constructed by the Province and Ministry, Guangxi Medical University, Nanning, 530021, Guangxi, China
- Research Centre for Regenerative Medicine, Guangxi Medical University, Nanning, China
| | - Jie Liu
- Department of Bone and Joint Surgery, (Guangxi Diabetic Foot Salvage Engineering Research Center), The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, Guangxi, China
- Research Centre for Regenerative Medicine, Guangxi Medical University, Nanning, China
| | - Peilin Zhou
- Department of Bone and Joint Surgery, (Guangxi Diabetic Foot Salvage Engineering Research Center), The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, Guangxi, China
| | - Zhanming Lin
- Department of Bone and Joint Surgery, (Guangxi Diabetic Foot Salvage Engineering Research Center), The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, Guangxi, China
| | - Puxiang Zhen
- Department of Bone and Joint Surgery, (Guangxi Diabetic Foot Salvage Engineering Research Center), The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, Guangxi, China
- National Demonstration Center for Experimental (General Practice) Education, Hubei University of Science and Technology, Xianning, 437100, People's Republic of China
| | - Yongjun Mo
- Department of Bone and Joint Surgery, (Guangxi Diabetic Foot Salvage Engineering Research Center), The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, Guangxi, China
| | - Binguang Fan
- Department of Bone and Joint Surgery, (Guangxi Diabetic Foot Salvage Engineering Research Center), The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, Guangxi, China
| | - Zhenghui Li
- Department of Neurosurgery, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou University, Zhengzhou, Henan, 450052, People's Republic of China
| | - Xiaocong Kuang
- Collaborative Innovation Centre of Regenerative Medicine and Medical Bio-Resource Development and Application Co-constructed by the Province and Ministry, Guangxi Medical University, Nanning, 530021, Guangxi, China
- Research Centre for Regenerative Medicine, Guangxi Medical University, Nanning, China
- Yulin Campus of Guangxi Medical University, Yulin, Guangxi, China
| | - Xinyu Nie
- Department of Bone and Joint Surgery, (Guangxi Diabetic Foot Salvage Engineering Research Center), The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, Guangxi, China.
| | - Qikai Hua
- Department of Bone and Joint Surgery, (Guangxi Diabetic Foot Salvage Engineering Research Center), The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, Guangxi, China.
- Collaborative Innovation Centre of Regenerative Medicine and Medical Bio-Resource Development and Application Co-constructed by the Province and Ministry, Guangxi Medical University, Nanning, 530021, Guangxi, China.
- Research Centre for Regenerative Medicine, Guangxi Medical University, Nanning, China.
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Park JS, Kim DY, Hong HS. FGF2/HGF priming facilitates adipose-derived stem cell-mediated bone formation in osteoporotic defects. Heliyon 2024; 10:e24554. [PMID: 38304814 PMCID: PMC10831751 DOI: 10.1016/j.heliyon.2024.e24554] [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: 09/13/2023] [Revised: 12/14/2023] [Accepted: 01/10/2024] [Indexed: 02/03/2024] Open
Abstract
Aims The activity of adipose-derived stem cells (ADSCs) is susceptible to the physiological conditions of the donor. Therefore, employing ADSCs from donors of advanced age or with diseases for cell therapy necessitates a strategy to enhance therapeutic efficacy before transplantation. This study aims to investigate the impact of supplementing Fibroblast Growth Factor 2 (FGF2) and Hepatocyte Growth Factor (HGF) on ADSC-mediated osteogenesis under osteoporotic conditions and to explore the underlying mechanisms of action. Main methods Adipose-derived stem cells (ADSCs) obtained from ovariectomized (OVX) rats were cultured ex vivo. These cells were cultured in an osteogenic medium supplemented with FGF2 and HGF and subsequently autologously transplanted into osteoporotic femur defects using Hydroxyapatite-Tricalcium Phosphate. The assessment of bone formation was conducted four weeks post-transplantation. Key findings Osteoporosis detrimentally affects the viability and osteogenic differentiation potential of ADSCs, often accompanied by a deficiency in FGF2 and HGF signaling. However, priming with FGF2 and HGF facilitated the formation of immature osteoblasts from OVX ADSCs in vitro, promoting the expression of osteoblastogenic proteins, including Runx-2, osterix, and ALP, during the early phase of osteogenesis. Furthermore, FGF2/HGF priming augmented the levels of VEGF and SDF-1α in the microenvironment of OVX ADSCs under osteogenic induction. Importantly, transplantation of OVX ADSCs primed with FGF2/HGF for 6 days significantly enhanced bone formation compared to non-primed cells. The success of bone regeneration was confirmed by the expression of type-1 collagen and osteocalcin in the bone tissue of the deficient area. Significance Our findings corroborate that priming with FGF2/HGF can improve the differentiation potential of ADSCs. This could be applied in autologous stem cell therapy for skeletal disease in the geriatric population.
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Affiliation(s)
- Jeong Seop Park
- Department of Biomedical Science and Technology, Graduate School, Kyung Hee University, Seoul, 02447, South Korea
| | - Do Young Kim
- Department of Biomedical Science and Technology, Graduate School, Kyung Hee University, Seoul, 02447, South Korea
| | - Hyun Sook Hong
- Department of Biomedical Science and Technology, Graduate School, Kyung Hee University, Seoul, 02447, South Korea
- East-West Medical Research Institute, Kyung Hee University, Seoul, 02447, South Korea
- Kyung Hee Institute of Regenerative Medicine (KIRM), Medical Science Research Institute, Kyung Hee University Medical Center, Seoul, 02447, South Korea
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Hu C, Wang B, Liu Z, Chen Q, Ishikawa M, Lin H, Lian Q, Li J, Li JV, Ma D. Sevoflurane but not propofol enhances ovarian cancer cell biology through regulating cellular metabolic and signaling mechanisms. Cell Biol Toxicol 2023; 39:1395-1411. [PMID: 36207479 PMCID: PMC10425485 DOI: 10.1007/s10565-022-09766-6] [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: 03/14/2022] [Accepted: 08/26/2022] [Indexed: 11/02/2022]
Abstract
Perioperative risk factors, including the choice of anesthetics, may influence ovarian cancer recurrence after surgery. Inhalational anesthetic sevoflurane and intravenous agent propofol might affect cancer cell metabolism and signaling, which, in turn, may influence the malignancy of ovarian cancer cells. The different effects between sevoflurane and propofol on ovarian cancer cell biology and underlying mechanisms were studied. Cultured ovarian cancer cells were exposed to 2.5% sevoflurane, 4 μg/mL propofol, or sham condition as the control for 2 h followed by 24-h recovery. Glucose transporter 1 (GLUT1), mitochondrial pyruvate carrier 1 (MPC1), glutamate dehydrogenase 1 (GLUD1), pigment epithelium-derived factor (PEDF), p-Erk1/2, and hypoxia-inducible factor 1-alpha (HIF-1α) expressions were determined with immunostaining and/or Western blot. Cultured media were collected for 1H-NMR spectroscopy-based metabolomics analysis. Principal component analysis (PCA) and orthogonal projections to latent structures discriminant analysis (OPLS-DA) were used to analyze metabolomics data. Sevoflurane increased the GLUT1, MPC1, GLUD1, p-Erk1/2, and HIF-1α expressions but decreased the PEDF expression relative to the controls. In contrast to sevoflurane, propofol decreased GLUT1, MPC1, GLUD1, p-Erk1/2, and HIF-1α but increased PEDF expression. Sevoflurane increased metabolite isopropanol and decreased glucose and glutamine energy substrates in the media, but the opposite changes were found after propofol treatment. Our data indicated that, unlike the pro-tumor property of sevoflurane, propofol negatively modulated PEDF/Erk/HIF-1α cellular signaling pathway and inhibited ovarian cancer metabolic efficiency and survival, and hence decreased malignancy. The translational value of this work warrants further study. • Sevoflurane promoted but propofol inhibited ovarian cancer cell biology. • Sevoflurane upregulated but propofol downregulated the GLUT1, MPC1, and GLUD1 expressions of ovarian cancer cells. • Sevoflurane enhanced but propofol inhibited ovarian cancer cellular glucose. metabolism and glutaminolysis. • Sevoflurane downregulated PEDF but upregulated the Erk pathway and HIF-1α, while propofol had the adverse effects on ovarian cancer cells.
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Affiliation(s)
- Cong Hu
- Zhejiang Province Key Lab of Anesthesiology, Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, 325027 Zhejiang China
- Division of Anaesthetics, Pain Medicine and Intensive Care, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Chelsea & Westminster Hospital, London, SW10 9NH UK
| | - Bincheng Wang
- Division of Anaesthetics, Pain Medicine and Intensive Care, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Chelsea & Westminster Hospital, London, SW10 9NH UK
| | - Zhigang Liu
- Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London, SW7 2AZ UK
| | - Qiling Chen
- Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London, SW7 2AZ UK
| | - Masashi Ishikawa
- Division of Anaesthetics, Pain Medicine and Intensive Care, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Chelsea & Westminster Hospital, London, SW10 9NH UK
| | - Han Lin
- Zhejiang Province Key Lab of Anesthesiology, Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, 325027 Zhejiang China
| | - Qingquan Lian
- Zhejiang Province Key Lab of Anesthesiology, Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, 325027 Zhejiang China
| | - Jun Li
- Zhejiang Province Key Lab of Anesthesiology, Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, 325027 Zhejiang China
| | - Jia V. Li
- Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London, SW7 2AZ UK
| | - Daqing Ma
- Division of Anaesthetics, Pain Medicine and Intensive Care, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Chelsea & Westminster Hospital, London, SW10 9NH UK
| | - The ESA-IC Onco-Anaesthesiology Research Group
- Zhejiang Province Key Lab of Anesthesiology, Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, 325027 Zhejiang China
- Division of Anaesthetics, Pain Medicine and Intensive Care, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Chelsea & Westminster Hospital, London, SW10 9NH UK
- Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London, SW7 2AZ UK
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Liu L, Yuan Y. Downregulation of miR-221-3p by LncRNA TUG1 Promoting the Healing of Closed Tibial Fractures in Mice. BIOMED RESEARCH INTERNATIONAL 2022; 2022:1624446. [PMID: 36060124 PMCID: PMC9439925 DOI: 10.1155/2022/1624446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Accepted: 08/05/2022] [Indexed: 11/17/2022]
Abstract
Objective To probe into the effect of LncRNA TUG1 on the healing of closed tibial fracture in mice. Methods The closed tibial fracture model of mice was established, selecting the mouse osteoblast line MC3T3-E1, with the cells separated into four groups. The expression levels of TUG1 and miR-221-3p were determined by RT-qPCR analysis, with the targeting relationship between TUG1 and miR-221-3p authenticated by dual luciferase reporter (DLR) assay, detection of cell migration (CM) ability based on Transwell cell migration (TCM) assay, and cell proliferation (CP) acquired by cell counting kit-8 (CCK-8). Results Prediction results of the target gene by bioinformatics software showed that miR-221-3p had binding sites with the 3'-UTR of TUG1, and DLR assay authenticated the targeting relationship between LncRNA TUG1 and miR-221-3p. Downregulation of TUG1 inhibited osteoblast CP and CM and promoted osteoblast cell apoptosis (CA). Cell cycle analysis indicated that miR-221-3p provoked cell cycle arrest in G1 stage of MC3T3-E1 cells. The siLncRNA-NC group had higher anticyclin D1 and D3 levels than the siLncRNA TUG1 group, with a lower CA rate in the former, implying that miR-221-3p overexpression inhibited osteoblast CP and CM and LncRNA TUG1 inhibited CA. Downregulation of miR-221-3p partly reversed the retardation out of downregulating TUG1 on osteoblast CP and CM. Bcl-2 level was higher in the LncRNA TUG1 group compared to the siLncRNA TUG1 and miR-221-3p overexpression groups, with remarkably lower SDF-1 level in the miR-221-3p overexpression group than those in the control, miRNA-NC, and LncRNA TUG1 groups. Conclusion The downregulation of miR-221-3p by LncRNA TUG1 can promote the healing of closed tibial fractures in mice.
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Affiliation(s)
- Laiyou Liu
- Department of Orthopedics, The Second Hospital of Shanxi Medical University, Taiyuan, 030001 Shanxi, China
| | - Yinpeng Yuan
- Department of Orthopedics, The Second Hospital of Shanxi Medical University, Taiyuan, 030001 Shanxi, China
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Nagashima T, Ninomiya T, Nakamura Y, Nishimura S, Ohashi A, Aoki J, Mizoguchi T, Tonogi M, Takahashi T. p53 deficiency promotes bone regeneration by functional regulation of mesenchymal stromal cells and osteoblasts. J Bone Miner Metab 2022; 40:434-447. [PMID: 35195777 DOI: 10.1007/s00774-022-01314-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Accepted: 01/17/2022] [Indexed: 10/19/2022]
Abstract
INTRODUCTION The detailed mechanism of the process during bone healing of drill-hole injury has been elucidated, but a crucial factor in regulating drill-hole healing has not been identified. The transcription factor p53 suppresses osteoblast differentiation through inhibition of osterix expression. In present study, we demonstrate the effects of p53 deficiency on the capacity of MSCs and osteoblasts during drill-hole healing. MATERIALS AND METHODS Mesenchymal stromal cells (MSCs) and osteoblasts were collected from bone marrow and calvaria of p53 knockout (KO) mice, respectively. The activities of cell mobility, cell proliferation, osteoblast differentiation, and wound healing of MSCs and/or osteoblasts were determined by in vitro experiments. In addition, bone healing of drill-hole injury in KO mice was examined by micro-CT and immunohistological analysis using anti-osterix, Runx2, and sclerostin antibodies. RESULTS KO MSCs stimulated cell mobility, cell proliferation, and osteoblast differentiation. Likewise, KO osteoblasts enhanced cell proliferation and wound healing. KO MSCs and osteoblasts showed high potency in the inflammation and callus formation phases compared to those from wild-type (WT) mice. In addition, increased expression of osterix and Runx2 was observed in KO MSCs and osteoblasts that migrated in the drill-hole. Conversely, sclerostin expression was inhibited in KO mice. Eventually, KO mice exhibited high repairability of drill-hole injury, suggesting a novel role of p53 in MSCs and osteoblasts in improving bone healing. CONCLUSION p53 Deficiency promotes bone healing of drill-hole injury by enhancing the bone-regenerative ability of MSCs and osteoblasts.
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Affiliation(s)
- Toshimichi Nagashima
- Division of Oral Structural and Functional Biology, Nihon University Graduate School of Dentistry, 1-8-13 Kanda-Surugadai, Chiyoda-ku, Tokyo, 101-8310, Japan
- Department of Oral and Maxillofacial Surgery, Nihon University School of Dentistry, 1-8-13 Kanda-Surugadai, Chiyoda-ku, Tokyo, 101-8310, Japan
| | - Tadashi Ninomiya
- Department of Anatomy, Nihon University School of Dentistry, 1-8-13 Kanda-Surugadai, Chiyoda-ku, Tokyo, 101-8310, Japan.
- Division of Functional Morphology, Dental Research Center, Nihon University School of Dentistry, 1-8-13 Kanda-Surugadai, Chiyoda-ku, Tokyo, 101-8310, Japan.
| | - Yoshiki Nakamura
- Division of Oral Structural and Functional Biology, Nihon University Graduate School of Dentistry, 1-8-13 Kanda-Surugadai, Chiyoda-ku, Tokyo, 101-8310, Japan
- Department of Orthodontics, Nihon University School of Dentistry, 1-8-13 Kanda-Surugadai, Chiyoda-ku, Tokyo, 101-8310, Japan
| | - Shirabe Nishimura
- Division of Oral Structural and Functional Biology, Nihon University Graduate School of Dentistry, 1-8-13 Kanda-Surugadai, Chiyoda-ku, Tokyo, 101-8310, Japan
- Department of Orthodontics, Nihon University School of Dentistry, 1-8-13 Kanda-Surugadai, Chiyoda-ku, Tokyo, 101-8310, Japan
| | - Akiko Ohashi
- Department of Anatomy, Nihon University School of Dentistry, 1-8-13 Kanda-Surugadai, Chiyoda-ku, Tokyo, 101-8310, Japan
- Division of Functional Morphology, Dental Research Center, Nihon University School of Dentistry, 1-8-13 Kanda-Surugadai, Chiyoda-ku, Tokyo, 101-8310, Japan
| | - Junya Aoki
- Department of Oral and Maxillofacial Surgery, Nihon University School of Dentistry, 1-8-13 Kanda-Surugadai, Chiyoda-ku, Tokyo, 101-8310, Japan
| | - Toshihide Mizoguchi
- Oral Health Science Center, Tokyo Dental College, 2-9-18 Kanda-Misaki-cho, Chiyoda-ku, Tokyo, 101-0061, Japan
| | - Morio Tonogi
- Department of Oral and Maxillofacial Surgery, Nihon University School of Dentistry, 1-8-13 Kanda-Surugadai, Chiyoda-ku, Tokyo, 101-8310, Japan
- Division of Oral and Craniomaxillofacial Research, Dental Research Center, Nihon University School of Dentistry, 1-8-13 Kanda-Surugadai, Chiyoda-ku, Tokyo, 101-8310, Japan
| | - Tomihisa Takahashi
- Department of Anatomy, Nihon University School of Dentistry, 1-8-13 Kanda-Surugadai, Chiyoda-ku, Tokyo, 101-8310, Japan
- Division of Functional Morphology, Dental Research Center, Nihon University School of Dentistry, 1-8-13 Kanda-Surugadai, Chiyoda-ku, Tokyo, 101-8310, Japan
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Wang Y, Gan Z, Lu H, Liu Z, Shang P, Zhang J, Yin W, Chu H, Yuan R, Ye Y, Chen P, Rong M. Impact of High-Altitude Hypoxia on Early Osseointegration With Bioactive Titanium. Front Physiol 2021; 12:689807. [PMID: 35035356 PMCID: PMC8753411 DOI: 10.3389/fphys.2021.689807] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Accepted: 10/22/2021] [Indexed: 01/03/2023] Open
Abstract
Nowadays, the bone osseointegration in different environments is comparable, but the mechanism is unclear. This study aimed to investigate the osseointegration of different bioactive titanium surfaces under normoxic or high-altitude hypoxic environments. Titanium implants were subjected to one of two surface treatments: (1) sanding, blasting, and acid etching to obtain a rough surface, or (2) extensive polishing to obtain a smooth surface. Changes in the morphology, proliferation, and protein expression of osteoblasts on the rough and smooth surfaces were examined, and bone formation was studied through western blotting and animal-based experiments. Our findings found that a hypoxic environment and rough titanium implant surface promoted the osteogenic differentiation of osteoblasts and activated the JAK1/STAT1/HIF-1α pathway in vitro. The animal study revealed that following implant insertion in tibia of rabbit, bone repair at high altitudes was slower than that at low altitudes (i.e., in plains) after 2weeks; however, bone formation did not differ significantly after 4weeks. The results of our study showed that: (1) The altitude hypoxia environment would affect the early osseointegration of titanium implants while titanium implants with rough surfaces can mitigate the effects of this hypoxic environment on osseointegration, (2) the mechanism may be related to the activation of JAK1/STAT1/HIF-1α pathway, and (3) our results suggest the osteogenesis of titanium implants, such as oral implants, is closely related to the oxygen environment. Clinical doctors, especially dentists, should pay attention to the influence of hypoxia on early osseointegration in patients with high altitude. For example, it is better to choose an implant system with rough implant surface in the oral cavity of patients with tooth loss at high altitude.
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Affiliation(s)
- Yarong Wang
- Department of Periodontology and Implantology, Stomatological Hospital, Southern Medical University, Guangzhou, China
| | - Zekun Gan
- Department of Periodontology and Implantology, Stomatological Hospital, Southern Medical University, Guangzhou, China
| | - Haibin Lu
- Department of Implantology, Stomatological Hospital, Southern Medical University, Guangzhou, China
| | - Ziyi Liu
- Department of Periodontology and Implantology, Stomatological Hospital, Southern Medical University, Guangzhou, China
| | - Peng Shang
- College of Animal Science, Tibet Agriculture and Animal Husbandry University, Linzhi, China
| | - Jian Zhang
- College of Animal Science, Tibet Agriculture and Animal Husbandry University, Linzhi, China
| | - Wuwei Yin
- Department of Periodontology and Implantology, Stomatological Hospital, Southern Medical University, Guangzhou, China
| | - Hongxing Chu
- Department of Periodontology and Implantology, Stomatological Hospital, Southern Medical University, Guangzhou, China
| | | | - Yingxin Ye
- Department of Periodontology and Implantology, Stomatological Hospital, Southern Medical University, Guangzhou, China
| | - Pei Chen
- Department of Periodontology and Implantology, Stomatological Hospital, Southern Medical University, Guangzhou, China
- Pei Chen,
| | - Mingdeng Rong
- Department of Periodontology and Implantology, Stomatological Hospital, Southern Medical University, Guangzhou, China
- *Correspondence: Mingdeng Rong,
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Sumarwoto T, Suroto H, Mahyudin F, Utomo DN, Romaniyanto R, Prijosedjati A, Utomo P, Prakoeswa CRS, Rantam FA, Tinduh D, Notobroto HB, Rhatomy S. Preconditioning of Hypoxic Culture Increases The Therapeutic Potential of Adipose Derived Mesenchymal Stem Cells. Open Access Maced J Med Sci 2021. [DOI: 10.3889/oamjms.2021.5870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Various in vitro preconditioning strategies have been implemented to increase the regenerative capacity of MSCs. Among them are modulation of culture atmosphere (hypoxia or anoxia), three-dimensional culture (3D), addition of trophic factors (in the form of growth factors, cytokines or hormones), lipopolysaccharides, and pharmacological agents. Preconditioning mesenchymal stem cells by culturing them in a hypoxic environment, which resembles the natural oxygen environment of the tissues (1% –7%) and not with standard culture conditions (21%), increases the survival of these cells via Hypoxia Inducible Factor-1α (HIF-1a) and via Akt-dependent mechanisms. In addition, the hypoxic precondition stimulates the secretion of pro-angiogenic growth factors, increases the expression of chemokines SDF-1 (stromal cell-derived factor-1) and its receptor CXCR4 (chemokine receptor type 4) - CXCR7 (chemokine receptor type 7) and increases engraftment of stem cell. This review aims to provide an overview of the preconditioned hypoxic treatment to increase the therapeutic potential of adipose-derived mesenchymal stem cells.
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Shoushrah SH, Transfeld JL, Tonk CH, Büchner D, Witzleben S, Sieber MA, Schulze M, Tobiasch E. Sinking Our Teeth in Getting Dental Stem Cells to Clinics for Bone Regeneration. Int J Mol Sci 2021; 22:6387. [PMID: 34203719 PMCID: PMC8232184 DOI: 10.3390/ijms22126387] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 05/27/2021] [Accepted: 06/02/2021] [Indexed: 12/12/2022] Open
Abstract
Dental stem cells have been isolated from the medical waste of various dental tissues. They have been characterized by numerous markers, which are evaluated herein and differentiated into multiple cell types. They can also be used to generate cell lines and iPSCs for long-term in vitro research. Methods for utilizing these stem cells including cellular systems such as organoids or cell sheets, cell-free systems such as exosomes, and scaffold-based approaches with and without drug release concepts are reported in this review and presented with new pictures for clarification. These in vitro applications can be deployed in disease modeling and subsequent pharmaceutical research and also pave the way for tissue regeneration. The main focus herein is on the potential of dental stem cells for hard tissue regeneration, especially bone, by evaluating their potential for osteogenesis and angiogenesis, and the regulation of these two processes by growth factors and environmental stimulators. Current in vitro and in vivo publications show numerous benefits of using dental stem cells for research purposes and hard tissue regeneration. However, only a few clinical trials currently exist. The goal of this review is to pinpoint this imbalance and encourage scientists to pick up this research and proceed one step further to translation.
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Affiliation(s)
| | | | | | | | | | | | | | - Edda Tobiasch
- Department of Natural Sciences, Bonn-Rhein-Sieg University of Applied Sciences, von-Liebig- Strasse. 20, 53359 Rheinbach, Germany; (S.H.S.); (J.L.T.); (C.H.T.); (D.B.); (S.W.); (M.A.S.); (M.S.)
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Zhang L, Jin L, Guo J, Bao K, Hu J, Zhang Y, Hou Z, Zhang L. Chronic Intermittent Hypobaric Hypoxia Enhances Bone Fracture Healing. Front Endocrinol (Lausanne) 2020; 11:582670. [PMID: 33664707 PMCID: PMC7921462 DOI: 10.3389/fendo.2020.582670] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Accepted: 12/14/2020] [Indexed: 01/08/2023] Open
Abstract
The effect of chronic intermittent hypobaric hypoxia (CIHH) on bone fracture healing is not elucidated. The present study aimed to investigate the role of CIHH on bone fracture healing and the mechanism. The Sprague-Dawley rats were randomly divided into the CIHH group and control group and monitored for 2, 4, or 8 weeks after femoral fracture surgery. Bone healing efficiency was significantly increased in the CIHH group as evidenced by higher high-density bone volume fractions, higher bone mineral density, higher maximum force, and higher stiffness. Histologically, the CIHH group exhibited superior bone formation, endochondral ossification, and angiogenic ability compared with the control group. The expression of HIF-1α and its downstream signaling proteins VEGF, SDF-1/CXCR4 axis were increased by the CIHH treatment. Moreover, the expression of RUNX2, osterix, and type I collagen in the callus tissues were also up-regulated in the CIHH group. In conclusion, our study demonstrated that CIHH treatment improves fracture healing, increases bone mineral density, and increases bone strength via the activation of HIF-1α and bone production-related genes.
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Affiliation(s)
- Li Zhang
- Department of Orthopaedic Surgery, Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Lin Jin
- Department of Orthopaedic Surgery, Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Jialiang Guo
- Department of Orthopaedic Surgery, Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Kai Bao
- Department of Orthopaedic Surgery, Hebei Provincial Hospital of Traditional Chinese Medicine, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Jinglue Hu
- Department of Orthopaedic Surgery, Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Yingze Zhang
- Department of Orthopaedic Surgery, Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Zhiyong Hou
- Department of Orthopaedic Surgery, Third Hospital of Hebei Medical University, Shijiazhuang, China
- *Correspondence: Zhiyong Hou, ; Liping Zhang,
| | - Liping Zhang
- Department of Physiology, Hebei Medical University, Shijiazhuang, China
- *Correspondence: Zhiyong Hou, ; Liping Zhang,
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