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Jiang P, Zhou X, Yang Y, Bai L. Pectolinarigenin targeting FGFR3 alleviates osteoarthritis progression by regulating the NF-κB/NLRP3 inflammasome pyroptotic pathway. Int Immunopharmacol 2024; 140:112741. [PMID: 39094365 DOI: 10.1016/j.intimp.2024.112741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2024] [Revised: 07/08/2024] [Accepted: 07/19/2024] [Indexed: 08/04/2024]
Abstract
OBJECTIVE Osteoarthritis (OA) is a chronic degenerative disease characterized by cartilage degeneration, involving inflammation, pyroptosis, and degeneration of the extracellular matrix (ECM). Pectolinarigenin (PEC) is a natural flavonoid with antioxidant, anti-inflammatory and anti-tumor properties. This study aims to explore the potential of PEC in ameliorating OA progression and its underlying mechanisms. METHODS Chondrocytes were exposed to 10 ng/mL IL-1β to simulate OA-like changes. The effect of PEC on IL-1β-treated chondrocytes was assessed using ELISA, western blot, and immunofluorescence. The mRNA sequencing (mRNA-seq) was employed to explore the possible targets of PEC in delaying OA progression. The OA mouse model was induced through anterior cruciate ligament transection (ACLT) and divided into sham, ACLT, ACLT+5 mg/kg PEC, and ACLT+10 mg/kg PEC groups. Micro-computed tomography and histological analysis were conducted to confirm the beneficial effects of PEC on OA in vivo. RESULTS PEC mitigated chondrocyte pyroptosis, as evidenced by reduced levels of pyroptosis-related proteins. Additionally, PEC attenuated IL-1β-mediated chondrocyte ECM degradation and inflammation. Mechanistically, mRNA-seq showed that FGFR3 was a downstream target of PEC. FGFR3 silencing reversed the beneficial effects of PEC on IL-1β-exposed chondrocytes. PEC exerted anti-pyroptotic, anti-ECM degradative, and anti-inflammatory effects through upregulating FGFR3 to inhibit the NF-κB/NLRP3 pyroptosis-related pathway. Consistently, in vivo experiments demonstrated the chondroprotective effects of PEC in OA mice. CONCLUSION PEC alleviate OA progression by FGFR3/NF-κB/NLRP3 pathway mediated chondrocyte pyroptosis, ECM degradation and inflammation, suggesting the potential of PEC as a therapeutic agent for OA.
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Affiliation(s)
- Peng Jiang
- Department of Orthopedics, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Xiaonan Zhou
- Department of Orthopedics, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Yue Yang
- Department of Orthopedics, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Lunhao Bai
- Department of Orthopedics, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China.
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Liang W, Liang B, Yan K, Zhang G, Zhuo J, Cai Y. Low-Intensity Pulsed Ultrasound: A Physical Stimulus with Immunomodulatory and Anti-inflammatory Potential. Ann Biomed Eng 2024; 52:1955-1981. [PMID: 38683473 DOI: 10.1007/s10439-024-03523-y] [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: 01/28/2024] [Accepted: 04/20/2024] [Indexed: 05/01/2024]
Abstract
Ultrasound has expanded into the therapeutic field as a medical imaging and diagnostic technique. Low-intensity pulsed ultrasound (LIPUS) is a kind of therapeutic ultrasound that plays a vital role in promoting fracture healing, wound repair, immunomodulation, and reducing inflammation. Its anti-inflammatory effects are manifested by decreased pro-inflammatory cytokines and chemokines, accelerated regression of immune cell invasion, and accelerated damage repair. Although the anti-inflammatory mechanism of LIPUS is not very clear, many in vitro and in vivo studies have shown that LIPUS may play its anti-inflammatory role by activating signaling pathways such as integrin/Focal adhesion kinase (FAK)/Phosphatidylinositol 3-kinase (PI3K)/Serine threonine kinase (Akt), Vascular endothelial growth factor (VEGF)/endothelial nitric oxide synthase (eNOS), or inhibiting signaling pathways such as Toll-like receptors (TLRs)/Nuclear factor kappa-B (NF-κB) and p38-Mitogen-activated protein kinase (MAPK). As a non-invasive physical therapy, the anti-inflammatory and immunomodulatory effects of LIPUS deserve further exploration.
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Affiliation(s)
- Wenxin Liang
- Center of Medicine Clinical Research, Department of Pharmacy, Medical Supplies Center of Chinese PLA General Hospital, 28 Fu Xing Road, Beijing, 100853, People's Republic of China
- College of Pharmacy, Chongqing Medical University, Chongqing, 400016, China
| | - Beibei Liang
- Center of Medicine Clinical Research, Department of Pharmacy, Medical Supplies Center of Chinese PLA General Hospital, 28 Fu Xing Road, Beijing, 100853, People's Republic of China
| | - Kaicheng Yan
- Center of Medicine Clinical Research, Department of Pharmacy, Medical Supplies Center of Chinese PLA General Hospital, 28 Fu Xing Road, Beijing, 100853, People's Republic of China
| | - Guanxuanzi Zhang
- Center of Medicine Clinical Research, Department of Pharmacy, Medical Supplies Center of Chinese PLA General Hospital, 28 Fu Xing Road, Beijing, 100853, People's Republic of China
| | - Jiaju Zhuo
- Center of Medicine Clinical Research, Department of Pharmacy, Medical Supplies Center of Chinese PLA General Hospital, 28 Fu Xing Road, Beijing, 100853, People's Republic of China
- College of Pharmacy, Chongqing Medical University, Chongqing, 400016, China
| | - Yun Cai
- Center of Medicine Clinical Research, Department of Pharmacy, Medical Supplies Center of Chinese PLA General Hospital, 28 Fu Xing Road, Beijing, 100853, People's Republic of China.
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Jiang T, Yu F, Zhou Y, Li R, Zheng M, Jiang Y, Li Z, Pan J, Ouyang N. Synergistic effect of ultrasound and reinforced electrical environment by bioinspired periosteum for enhanced osteogenesis via immunomodulation of macrophage polarization through Piezo1. Mater Today Bio 2024; 27:101147. [PMID: 39045313 PMCID: PMC11263955 DOI: 10.1016/j.mtbio.2024.101147] [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: 04/21/2024] [Revised: 06/18/2024] [Accepted: 07/03/2024] [Indexed: 07/25/2024] Open
Abstract
The periosteum plays a vital role in repairing bone defects. Researchers have demonstrated the existence of electrical potential in the periosteum and native bone, indicating that electrical signals are essential for functional bone regeneration. However, the clinical use of external electrical treatments has been limited due to their inconvenience and inefficacy. As an alternative, low-intensity pulsed ultrasound (LIPUS) is a noninvasive form of physical therapy that enhances bone regeneration. Furthermore, the wireless activation of piezoelectric biomaterials through ultrasound stimulation would generate electric charges precisely at the defect area, compensating for the insufficiency of external electrical stimulation and potentially promoting bone regeneration through the synergistic effect of mechanical and electrical stimulation. However, the optimal integration of LIPUS with an appropriate piezoelectric periosteum is yet to be explored. Herein, the BaTiO3/multiwalled-carbon nanotubes/collagen (BMC) membranes have been fabricated, possessing physicochemical properties including improved surface hydrophilicity, enhanced mechanical performance, ideal piezoelectricity, and outstanding biocompatibility, all of which are conducive to bone regeneration. When combined with LIPUS, the endogenous electrical microenvironment of native bone was recreated. After that, the wireless-generated electrical signals, along with the mechanical signals induced by LIPUS, were transferred to macrophages and activated Ca2+ influx through Piezo1. Ultimately, the regenerative effect of the BMC membrane with LIPUS stimulation (BMC + L) was confirmed in a mouse cranial defect model. Together, this research presents a co-engineering strategy that involves fabricating a novel biomimetic periosteum and utilizing the synergistic effect of ultrasound to enhance bone regeneration, which is achieved through the reinforcement of the electrical environment and the immunomodulation of macrophage polarization.
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Affiliation(s)
- Ting Jiang
- Department of Orthodontics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Research Unit of Oral and Maxillofacial Regenerative Medicine, Chinese Academy of Medical Sciences, Shanghai, 200011, China
- Oral Bioengineering Lab, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, 200011, China
| | - Fei Yu
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Yuqi Zhou
- Department of Stomatology, Weifang People's Hospital Stomatological Hospital, Weifang, 261041, China
| | - Ruomei Li
- Department of Orthodontics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Research Unit of Oral and Maxillofacial Regenerative Medicine, Chinese Academy of Medical Sciences, Shanghai, 200011, China
- Oral Bioengineering Lab, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, 200011, China
| | - Mengting Zheng
- Oral Bioengineering Lab, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, 200011, China
| | - Yangyang Jiang
- Department of Orthodontics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Research Unit of Oral and Maxillofacial Regenerative Medicine, Chinese Academy of Medical Sciences, Shanghai, 200011, China
| | - Zhenxia Li
- Department of Orthodontics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Research Unit of Oral and Maxillofacial Regenerative Medicine, Chinese Academy of Medical Sciences, Shanghai, 200011, China
| | - Jun Pan
- School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore, 637371, Singapore
| | - Ningjuan Ouyang
- Department of Orthodontics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Research Unit of Oral and Maxillofacial Regenerative Medicine, Chinese Academy of Medical Sciences, Shanghai, 200011, China
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Xie S, Wang L, Lu C, Chen H, Ding Y, Jian X, Zhang Z, Zhu L. Degrasyn alleviates osteoarthritis by blocking macrophagic pyroptosis via suppressing NLRP3/GSDMD signaling pathway and protecting chondrocytes. Cell Signal 2024; 120:111220. [PMID: 38740234 DOI: 10.1016/j.cellsig.2024.111220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 04/25/2024] [Accepted: 05/07/2024] [Indexed: 05/16/2024]
Abstract
Synovitis and cartilage destruction are crucial characteristics of osteoarthritis (OA). Inflammatory cytokines, such as IL-1β, are secreted by synovial macrophages, leading to cartilage destruction. Pyroptosis is a lytic form of programmed cell death, which could be triggered by the NLRP3 inflammasome of macrophages. Pyroptosis promotes the secretion of IL-1β and is supposed as a potential biomarker for OA. However, the function of Pyroptosis and NLRP3 inflammasome and its regulatory mechanism for activation is unclear in OA. In this study, we found that Degrasyn could alleviate the GSDMD-mediated pyroptosis of macrophages and the release of IL-1β, caspase-1, and LDH. Furthermore, it selectively impedes the form of ASC oligomer and speckle to effectively suppress the NLRP3 inflammasome during its assembly phase. Notably, Degrasyn exhibited potential chondroprotective effects in a co-culture system. Additionally, these results also indicate that Degrasyn mitigates synovitis and cartilage damage in a murine model of destabilization of the medial meniscus (DMM)-induced OA. In summary, Degrasyn emerges as a promising pharmaceutical agent for synovitis, paving the way for innovative therapeutic approaches to OA. Our findings underscore the potential of Degrasyn as a viable candidate for OA therapeutics, demonstrating its ability to regulate pyroptosis and NLRP3 inflammasome activation.
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Affiliation(s)
- Shujun Xie
- Department of Translational Medicine Research Center, Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Affiliated Hangzhou First People's Hospital, School of Medicine, Westlake University, Cancer Center, Hangzhou 310006, China
| | - Linqiao Wang
- Department of Pediatrics, Affiliated Hangzhou First People's Hospital, School of Medicine, Westlake University, Hangzhou, Zhejiang Province 31000, China
| | - Congcong Lu
- Department of Orthopedics Surgery, Affiliated Hangzhou First People's Hospital, School of Medicine, Westlake University, Hangzhou, Zhejiang Province 31000, China; The Fourth School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Hao Chen
- Department of Orthopedics Surgery, Affiliated Hangzhou First People's Hospital, School of Medicine, Westlake University, Hangzhou, Zhejiang Province 31000, China
| | - Yi Ding
- Department of Orthopedics Surgery, Affiliated Hangzhou First People's Hospital, School of Medicine, Westlake University, Hangzhou, Zhejiang Province 31000, China
| | - Xu Jian
- Affiliated Hangzhou First People's Hospital, School of Medicine, Westlake University, Hangzhou 310006, PR China
| | - Zhen Zhang
- Department of Orthopedics Surgery, Affiliated Hangzhou First People's Hospital, School of Medicine, Westlake University, Hangzhou, Zhejiang Province 31000, China.
| | - Liulong Zhu
- Department of Orthopedics Surgery, Affiliated Hangzhou First People's Hospital, School of Medicine, Westlake University, Hangzhou, Zhejiang Province 31000, China.
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Tang M, Wang M, Wang Z, Jiang B. RBM15 activates glycolysis in M1-type macrophages to promote the progression of aortic aneurysm and dissection. Int J Med Sci 2024; 21:1976-1989. [PMID: 39113895 PMCID: PMC11302562 DOI: 10.7150/ijms.97185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2024] [Accepted: 06/28/2024] [Indexed: 08/10/2024] Open
Abstract
Aortic aneurysm and dissection (AD) represent a critical cardiovascular emergency with an alarmingly high mortality rate. Recent research has spotlighted the overexpression of genes associated with the m6A modification in AD patients, linking them to the presence of inflammatory M1-type macrophages. Moreover, glycolysis is widely recognized as a key feature of inflammatory M1-type macrophages, but biomarkers linking glycolysis and macrophage function to promote disease progression in AD have not been reported. We conducted an analysis of aortic immune cell infiltration, macrophages, and m6A-related biomarkers in AD patients using bioinformatics techniques. Subsequently, we employed a combination of RT-PCR, WB, and immunofluorescence assays to elucidate the alterations in the expression of M1- and M2-type macrophages, as well as markers of glycolysis, following the overexpression of key biomarkers. These findings were further validated in vivo through the creation of a rat model of AD with knockdown of the aforementioned key biomarkers. The findings revealed that the m6A-modified related gene RBM15 exhibited heightened expression in AD samples and was correlated with macrophage polarization. Upon overexpression of RBM15 in macrophages, there was an observed increase in the expression of M1-type macrophage markers CXCL9 and CXCL10, alongside a decrease in the expression of M2-type macrophage markers CCL13 and MRC1. Furthermore, there was an elevation in the expression of glycolytic enzymes GLUT1 and Hexokinase, as well as HIF1α, GAPDH, and PFKFB3 after RBM15 overexpression. Moreover, in vivo knockdown of RBM15 led to an amelioration of aortic aneurysm in the rat AD model. This knockdown also resulted in a reduction of the M1-type macrophage marker iNOS, while significantly increasing the expression of the M2-type macrophage marker CD206. In conclusion, our findings demonstrate that RBM15 upregulates glycolysis in macrophages, thus contributing to the progression of AD through the promotion of M1-type macrophage polarization. Conversely, downregulation of RBM15 suppresses M1-type macrophage polarization, thereby decelerating the advancement of AD. These results unveil potential novel targets for the treatment of AD.
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Affiliation(s)
| | | | | | - Bo Jiang
- Department of Cardiovascular Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan Province, China
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Sun L, Xiao M, Chen L, Ni L, Chen X, Zhang L, Yao J, Shao Z, Zhao B, Chen X, Liu Y. Enhanced Tissue Regeneration Through Immunomodulatory Extracellular Vesicles Encapsulated in Diversified Silk-Based Injectable Hydrogels. Adv Healthc Mater 2024:e2401460. [PMID: 39011805 DOI: 10.1002/adhm.202401460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2024] [Revised: 06/26/2024] [Indexed: 07/17/2024]
Abstract
Mesenchymal stem cells (MSCs) immunologically trained using lipopolysaccharide (LPS) display enhanced immunomodulatory capabilities. Extracellular vesicles (EVs) derived from MSCs are widely used in regenerative medicine owing to their bioactive properties without the drawbacks of cell therapy. However, it remains unclear whether EVs derived from LPS-stimulated (trained) MSCs (L-EVs) inherit the enhanced reparative potential from their parent cells. Thus, this study first aims to explore the effect of immunological training on the bioactivity of L-EVs. LPS-trained bone marrow-derived MSCs (BMSCs) secrete more EVs, and these EVs significantly promote M2 macrophage polarization. Subsequently, hydrogel systems based on thixotropic injectable silk fibroin are prepared for in vivo EV delivery. These hydrogels have controllable gelation time and exhibit outstanding reparative effects on rat skin wounds and alveolar bone defects. Finally, it is revealed that L-EVs promote M2 macrophage polarization by inhibiting the nuclear translocation of PKM2. Overall, this study shows that the immunological training of BMSCs effectively improves the therapeutic effects of their EVs and provides a convenient and diversified EV delivery strategy using an injectable silk fibroin hydrogel. This strategy has broad clinical application prospects for tissue regeneration.
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Affiliation(s)
- Liangyan Sun
- Department of Orthodontics, Department of Macromolecular Science, Multidisciplinary Consultant Center, Shanghai Stomatological Hospital & School of Stomatology, Fudan University, Shanghai, 200001, China
- Shanghai Key Laboratory of Craniomaxillofacial Development and Diseases, Fudan University, Shanghai, 200001, China
| | - Menglin Xiao
- Department of Orthodontics, Department of Macromolecular Science, Multidisciplinary Consultant Center, Shanghai Stomatological Hospital & School of Stomatology, Fudan University, Shanghai, 200001, China
- State Key Laboratory of Molecular Engineering of Polymers, Laboratory of Advanced Materials, Fudan University, Shanghai, 200433, China
| | - Ling Chen
- Department of Orthodontics, Department of Macromolecular Science, Multidisciplinary Consultant Center, Shanghai Stomatological Hospital & School of Stomatology, Fudan University, Shanghai, 200001, China
- State Key Laboratory of Molecular Engineering of Polymers, Laboratory of Advanced Materials, Fudan University, Shanghai, 200433, China
| | - Lingyue Ni
- Department of Orthodontics, Department of Macromolecular Science, Multidisciplinary Consultant Center, Shanghai Stomatological Hospital & School of Stomatology, Fudan University, Shanghai, 200001, China
- Shanghai Key Laboratory of Craniomaxillofacial Development and Diseases, Fudan University, Shanghai, 200001, China
| | - Xiaoxuan Chen
- Department of Orthodontics, Department of Macromolecular Science, Multidisciplinary Consultant Center, Shanghai Stomatological Hospital & School of Stomatology, Fudan University, Shanghai, 200001, China
- Shanghai Key Laboratory of Craniomaxillofacial Development and Diseases, Fudan University, Shanghai, 200001, China
| | - Lina Zhang
- Department of Biostatistics, Clinical Research Institute, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Jinrong Yao
- Department of Orthodontics, Department of Macromolecular Science, Multidisciplinary Consultant Center, Shanghai Stomatological Hospital & School of Stomatology, Fudan University, Shanghai, 200001, China
- State Key Laboratory of Molecular Engineering of Polymers, Laboratory of Advanced Materials, Fudan University, Shanghai, 200433, China
| | - Zhengzhong Shao
- Department of Orthodontics, Department of Macromolecular Science, Multidisciplinary Consultant Center, Shanghai Stomatological Hospital & School of Stomatology, Fudan University, Shanghai, 200001, China
- State Key Laboratory of Molecular Engineering of Polymers, Laboratory of Advanced Materials, Fudan University, Shanghai, 200433, China
| | - Bingjiao Zhao
- Department of Orthodontics, Department of Macromolecular Science, Multidisciplinary Consultant Center, Shanghai Stomatological Hospital & School of Stomatology, Fudan University, Shanghai, 200001, China
- Shanghai Key Laboratory of Craniomaxillofacial Development and Diseases, Fudan University, Shanghai, 200001, China
| | - Xin Chen
- Department of Orthodontics, Department of Macromolecular Science, Multidisciplinary Consultant Center, Shanghai Stomatological Hospital & School of Stomatology, Fudan University, Shanghai, 200001, China
- State Key Laboratory of Molecular Engineering of Polymers, Laboratory of Advanced Materials, Fudan University, Shanghai, 200433, China
| | - Yuehua Liu
- Department of Orthodontics, Department of Macromolecular Science, Multidisciplinary Consultant Center, Shanghai Stomatological Hospital & School of Stomatology, Fudan University, Shanghai, 200001, China
- Shanghai Key Laboratory of Craniomaxillofacial Development and Diseases, Fudan University, Shanghai, 200001, China
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Li P, Zhang Z, Liu J, Xue H. LIPUS can promote osteogenesis of hPDLCs and inhibit the periodontal inflammatory response via TLR5. Oral Dis 2024; 30:3386-3399. [PMID: 37983889 DOI: 10.1111/odi.14807] [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: 05/22/2023] [Revised: 09/26/2023] [Accepted: 11/02/2023] [Indexed: 11/22/2023]
Abstract
In this study, we isolated human periodontal ligament cells (hPDLCs) to find the optimal time of LIPUS stimulation and to explore how LIPUS affects inflammatory and osteogenic responses in hPDLCs in an inflammatory environment. The target molecules of LIPUS were identified by high-throughput sequencing. RT-qPCR and WB were used to detect how LIPUS affected the expression of related genes in TNFα-induced inflammation. The expression of ROS and inflammatory factors was detected by flow cytometry. Immunohistochemistry was used to further verify gene expression in rats. hPDLCs were isolated successfully. The optimal LIPUS stimulation condition was 45 mW/cm2 for 30 min and continued for 3 days, and this intensity significantly promoted the osteogenesis and mineralization of hPDLCs. LIPUS significantly inhibited the upregulation of IL-6 and ROS, increased the percentage of cells in the G2 phase, inhibited cell apoptosis, and inhibited the upregulation of TLR5 expression in an inflammatory environment. LIPUS can effectively restrain the inflammation and oxidative stress response of hPDLCs and promote osteogenesis in an inflammatory environment. LIPUS inhibited the periodontal inflammatory response through TLR5 in hPDLCs and dental pulp.
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Affiliation(s)
- Ping Li
- Departments of Stomatology and Central Lab, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, China
| | - Zhipeng Zhang
- Departments of Stomatology and Central Lab, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, China
| | - Jingjing Liu
- Department of Stomatology, The Dushu Lake Hospital Affiliated to Soochow University, Suzhou, Jiangsu, China
| | - Hui Xue
- Departments of Stomatology and Central Lab, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, China
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Lin J, Li K, Yang Z, Cao F, Gao L, Ning T, Xing D, Zeng H, Liu Q, Ge Z, Lin J. Functionally improved mesenchymal stem cells via nanosecond pulsed electric fields for better treatment of osteoarthritis. J Orthop Translat 2024; 47:235-248. [PMID: 39161657 PMCID: PMC11332990 DOI: 10.1016/j.jot.2024.03.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 02/25/2024] [Accepted: 03/21/2024] [Indexed: 07/28/2024] Open
Abstract
Background Numerous approaches have been utilized to optimize mesenchymal stem cells (MSCs) performance in treating osteoarthritis (OA), however, the constrained diminished activity and chondrogenic differentiation capacity impede their therapeutic efficacy. Previous investigations have successfully shown that pretreatment with nanosecond pulsed electric fields (nsPEFs) significantly enhances the chondrogenic differentiation of MSCs. Therefore, this study aims to explore nsPEFs as a strategy to improve OA therapy by enhancing MSCs' activity and chondrogenic differentiation and also investigate its potential mechanism. Methods In this study, a million MSCs were carefully suspended within a 0.4-cm gap cuvette and subjected to five pulses of nsPEFs (100 ns at 10 kV/cm, 1 Hz), with a 1-s interval between each pulse. A control group of MSCs was maintained without nsPEFs treatment for comparative analysis. nsPEFs were applied to regulate the MSCs performance and hinder OA progresses. In order to further explore the corresponding mechanism, we examined the changes of MSCs transcriptome after nsPEF pretreatment. Finally, we studied the properties of extracellular vesicles (EVs) secreted by MSCs affected by nsPEF and the therapeutic effect on OA. Results We found that nsPEFs pretreatment promoted MSCs migration and viability, particularly enhancing their viability temporarily in vivo, which is also confirmed by mRNA sequencing analysis. It also significantly inhibited the development of OA-like chondrocytes in vitro and prevented OA progression in rat models. Additionally, we discovered that nsPEFs pretreatment reprogrammed MSC performance by enhancing EVs production (5.77 ± 0.92 folds), and consequently optimizing their therapeutic potential. Conclusions In conclusion, nsPEFs pretreatment provides a simple and effective strategy for improving the MSCs performance and the therapeutic effects of MSCs for OA. EVs-nsPEFs may serve as a potent therapeutic material for OA and hold promise for future clinical applications. The translational potential of this article This study indicates that MSCs pretreated by nsPEFs greatly inhibited the development of OA. nsPEFs pretreatment will be a promising and effective method to optimize the therapeutic effect of MSCs in the future.
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Affiliation(s)
- Jianjing Lin
- Arthritis Clinical and Research Center, Peking University People's Hospital, No.11 Xizhimen South Street, Beijing, 100044, China
- Arthritis Institute, Peking University, Beijing, 100044, China
- Department of Sports Medicine and Rehabilitation, Peking University Shenzhen Hospital, Shenzhen, 518036, China
| | - Kejia Li
- Department of Biomedical Engineering, Institute of Future Technology, Peking University, Beijing, 100871, China
- Institute for Tissue Engineering and Regenerative Medicine, School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong Special Administrative Region of China
| | - Zhen Yang
- Arthritis Clinical and Research Center, Peking University People's Hospital, No.11 Xizhimen South Street, Beijing, 100044, China
- Arthritis Institute, Peking University, Beijing, 100044, China
| | - Fuyang Cao
- Department of Orthopedics, Second Hospital of Shanxi Medical University, Taiyuan, 030001, China
| | - Liang Gao
- Department of Orthopaedics, The First Affiliated Hospital of Anhui Medical University, Hefei, 230041, China
| | - Tong Ning
- Institute of Medical Science, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, 250033, China
| | - Dan Xing
- Arthritis Clinical and Research Center, Peking University People's Hospital, No.11 Xizhimen South Street, Beijing, 100044, China
- Arthritis Institute, Peking University, Beijing, 100044, China
| | - Hui Zeng
- Department of Orthopedics, the First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, 518035, China
| | - Qiang Liu
- Arthritis Clinical and Research Center, Peking University People's Hospital, No.11 Xizhimen South Street, Beijing, 100044, China
- Arthritis Institute, Peking University, Beijing, 100044, China
| | - Zigang Ge
- Department of Biomedical Engineering, Institute of Future Technology, Peking University, Beijing, 100871, China
| | - Jianhao Lin
- Arthritis Clinical and Research Center, Peking University People's Hospital, No.11 Xizhimen South Street, Beijing, 100044, China
- Arthritis Institute, Peking University, Beijing, 100044, China
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Sun P, Li Y, Yu W, Chen J, Wan P, Wang Z, Zhang M, Wang C, Fu S, Mang G, Choi S, Du Z, Tang C, Li S, Shi G, Tian J, Dai J, Leng X. Low-intensity pulsed ultrasound improves myocardial ischaemia‒reperfusion injury via migrasome-mediated mitocytosis. Clin Transl Med 2024; 14:e1749. [PMID: 38951127 PMCID: PMC11216834 DOI: 10.1002/ctm2.1749] [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: 03/13/2024] [Revised: 06/09/2024] [Accepted: 06/13/2024] [Indexed: 07/03/2024] Open
Abstract
During myocardial ischaemia‒reperfusion injury (MIRI), the accumulation of damaged mitochondria could pose serious threats to the heart. The migrasomes, newly discovered mitocytosis-mediating organelles, selectively remove damaged mitochondria to provide mitochondrial quality control. Here, we utilised low-intensity pulsed ultrasound (LIPUS) on MIRI mice model and demonstrated that LIPUS reduced the infarcted area and improved cardiac dysfunction. Additionally, we found that LIPUS alleviated MIRI-induced mitochondrial dysfunction. We provided new evidence that LIPUS mechanical stimulation facilitated damaged mitochondrial excretion via migrasome-dependent mitocytosis. Inhibition the formation of migrasomes abolished the protective effect of LIPUS on MIRI. Mechanistically, LIPUS induced the formation of migrasomes by evoking the RhoA/Myosin II/F-actin pathway. Meanwhile, F-actin activated YAP nuclear translocation to transcriptionally activate the mitochondrial motor protein KIF5B and Drp1, which are indispensable for LIPUS-induced mitocytosis. These results revealed that LIPUS activates mitocytosis, a migrasome-dependent mitochondrial quality control mechanism, to protect against MIRI, underlining LIPUS as a safe and potentially non-invasive treatment for MIRI.
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Affiliation(s)
- Ping Sun
- Department of UltrasoundThe Second Affiliated Hospital of Harbin Medical UniversityHarbinChina
- Ultrasound Molecular Imaging Joint Laboratory of Heilongjiang ProvinceHarbinChina
- The Key Laboratory of Myocardial IschemiaHarbin Medical University, Ministry of EducationHarbinChina
| | - Yifei Li
- Department of UltrasoundThe Second Affiliated Hospital of Harbin Medical UniversityHarbinChina
- Ultrasound Molecular Imaging Joint Laboratory of Heilongjiang ProvinceHarbinChina
- The Key Laboratory of Myocardial IschemiaHarbin Medical University, Ministry of EducationHarbinChina
| | - Weidong Yu
- Department of UltrasoundThe Second Affiliated Hospital of Harbin Medical UniversityHarbinChina
- Ultrasound Molecular Imaging Joint Laboratory of Heilongjiang ProvinceHarbinChina
| | - Jianfeng Chen
- Ultrasound Molecular Imaging Joint Laboratory of Heilongjiang ProvinceHarbinChina
- Laboratory of Animal CenterThe Second Affiliated Hospital of Harbin Medical UniversityHarbinChina
| | - Pingping Wan
- The Key Laboratory of Myocardial IschemiaHarbin Medical University, Ministry of EducationHarbinChina
- Department of CardiologyThe Second Affiliated Hospital of Harbin Medical UniversityHarbinChina
| | - Zhuo Wang
- Department of UltrasoundThe Second Affiliated Hospital of Harbin Medical UniversityHarbinChina
- Ultrasound Molecular Imaging Joint Laboratory of Heilongjiang ProvinceHarbinChina
- The Key Laboratory of Myocardial IschemiaHarbin Medical University, Ministry of EducationHarbinChina
| | - Maomao Zhang
- The Key Laboratory of Myocardial IschemiaHarbin Medical University, Ministry of EducationHarbinChina
- Department of CardiologyThe Second Affiliated Hospital of Harbin Medical UniversityHarbinChina
| | - Chao Wang
- Department of UltrasoundThe Second Affiliated Hospital of Harbin Medical UniversityHarbinChina
- Ultrasound Molecular Imaging Joint Laboratory of Heilongjiang ProvinceHarbinChina
- The Key Laboratory of Myocardial IschemiaHarbin Medical University, Ministry of EducationHarbinChina
| | - Shuai Fu
- Department of UltrasoundThe Second Affiliated Hospital of Harbin Medical UniversityHarbinChina
- Ultrasound Molecular Imaging Joint Laboratory of Heilongjiang ProvinceHarbinChina
- The Key Laboratory of Myocardial IschemiaHarbin Medical University, Ministry of EducationHarbinChina
| | - Ge Mang
- The Key Laboratory of Myocardial IschemiaHarbin Medical University, Ministry of EducationHarbinChina
- Department of CardiologyThe Second Affiliated Hospital of Harbin Medical UniversityHarbinChina
| | - Stephen Choi
- SXULTRASONIC Ltd. Kerry Rehabilitation Medicine Research InstituteShenzhenChina
| | - Zhuo Du
- The Key Laboratory of Myocardial IschemiaHarbin Medical University, Ministry of EducationHarbinChina
- Department of CardiologyThe Second Affiliated Hospital of Harbin Medical UniversityHarbinChina
| | - Caiying Tang
- The Key Laboratory of Myocardial IschemiaHarbin Medical University, Ministry of EducationHarbinChina
- Department of CardiologyThe Second Affiliated Hospital of Harbin Medical UniversityHarbinChina
| | - Song Li
- The Key Laboratory of Myocardial IschemiaHarbin Medical University, Ministry of EducationHarbinChina
- Department of CardiologyThe Second Affiliated Hospital of Harbin Medical UniversityHarbinChina
| | - Guoxia Shi
- The Key Laboratory of Myocardial IschemiaHarbin Medical University, Ministry of EducationHarbinChina
- Department of CardiologyThe Second Affiliated Hospital of Harbin Medical UniversityHarbinChina
| | - Jiawei Tian
- Department of UltrasoundThe Second Affiliated Hospital of Harbin Medical UniversityHarbinChina
- Ultrasound Molecular Imaging Joint Laboratory of Heilongjiang ProvinceHarbinChina
| | - Jiannan Dai
- The Key Laboratory of Myocardial IschemiaHarbin Medical University, Ministry of EducationHarbinChina
- Department of CardiologyThe Second Affiliated Hospital of Harbin Medical UniversityHarbinChina
| | - Xiaoping Leng
- Department of UltrasoundThe Second Affiliated Hospital of Harbin Medical UniversityHarbinChina
- Ultrasound Molecular Imaging Joint Laboratory of Heilongjiang ProvinceHarbinChina
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Sun L, Chen D, Zhao C, Hu Y, Xu Y, Xia S, Yang H, Bao X, Zhang Z, Zhou C, Zhang Q, Xu Y. Echinatin protects from ischemic brain injury by attenuating NLRP3-related neuroinflammation. Neurochem Int 2024; 175:105676. [PMID: 38336256 DOI: 10.1016/j.neuint.2024.105676] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 11/30/2023] [Accepted: 01/05/2024] [Indexed: 02/12/2024]
Abstract
BACKGROUND Microglia-mediated neuroinflammation is the major contributor to the secondary brain injury of ischemic stroke. NLRP3 is one of the major components of ischemia-induced microglial activation. Echinatin, a chalcone found in licorice, was reported to have the activity of anti-inflammation and antioxidant. However, the relative study of echinatin in microglia or ischemic stroke is still unclear. METHODS We intravenously injected echinatin or vehicle into adult ischemic male C57/BL6J mice induced by 60-min transient middle cerebral artery occlusion (tMCAO). The intraperitoneal injection was performed 4.5 h after reperfusion and then daily for 2 more days. Infarct size, blood brain barrier (BBB) leakage, neurobehavioral tests, and microglial-mediated inflammatory reaction were examined to assess the outcomes of echinatin treatment. LPS and LPS/ATP stimulation on primary microglia were used to explore the underlying anti-inflammatory mechanism of echinatin. RESULTS Echinatin treatment efficiently decreased the infarct size, alleviated blood brain barrier (BBB) damage, suppressed microglial activation, reduced the production of inflammatory factors (e.g., IL-1β, IL-6, IL-18, TNF-α, iNOS, COX2), and relieved post-stroke neurological defects in tMCAO mice. Mechanistically, we found that echinatin could suppress the NLRP3 assembly and reduce the production of inflammatory mediators independently of NF-κB and monoamine oxidase (MAO). CONCLUSION Based on our study, we have identified echinatin as a promising therapeutic strategy for the treatment of ischemic stroke.
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Affiliation(s)
- Liang Sun
- Department of Neurology, Nanjing Drum Tower Hospital Clinical College of Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210008, China; Department of Neurology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210008, China
| | - Duo Chen
- Department of Neurology, Nanjing Drum Tower Hospital Clinical College of Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210008, China; Department of Neurology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210008, China
| | - Chenchen Zhao
- Department of Neurology, Nanjing Drum Tower Hospital Clinical College of Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210008, China; Department of Neurology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210008, China
| | - Yujie Hu
- Department of Neurology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210008, China; Department of Neurology, Nanjing Drum Tower Hospital, State Key Laboratory of Pharmaceutical Biotechnology and Institute of Translational Medicine for Brain Critical Diseases, Nanjing University, Nanjing, 210008, China
| | - Yuhao Xu
- Department of Neurology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210008, China; Department of Neurology, Nanjing Drum Tower Hospital, State Key Laboratory of Pharmaceutical Biotechnology and Institute of Translational Medicine for Brain Critical Diseases, Nanjing University, Nanjing, 210008, China
| | - Shengnan Xia
- Department of Neurology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210008, China; Department of Neurology, Nanjing Drum Tower Hospital, State Key Laboratory of Pharmaceutical Biotechnology and Institute of Translational Medicine for Brain Critical Diseases, Nanjing University, Nanjing, 210008, China
| | - Haiyan Yang
- Department of Neurology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210008, China
| | - Xinyu Bao
- Department of Neurology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210008, China; Department of Neurology, Nanjing Drum Tower Hospital, State Key Laboratory of Pharmaceutical Biotechnology and Institute of Translational Medicine for Brain Critical Diseases, Nanjing University, Nanjing, 210008, China
| | - Zhi Zhang
- Department of Neurology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210008, China; Department of Neurology, Nanjing Drum Tower Hospital, State Key Laboratory of Pharmaceutical Biotechnology and Institute of Translational Medicine for Brain Critical Diseases, Nanjing University, Nanjing, 210008, China
| | - Chao Zhou
- Department of Neurology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210008, China; Department of Neurology, Nanjing Drum Tower Hospital, State Key Laboratory of Pharmaceutical Biotechnology and Institute of Translational Medicine for Brain Critical Diseases, Nanjing University, Nanjing, 210008, China
| | - Qingxiu Zhang
- Department of Neurology, Nanjing Drum Tower Hospital Clinical College of Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210008, China; Department of Neurology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210008, China; Department of Neurology, Nanjing Drum Tower Hospital, State Key Laboratory of Pharmaceutical Biotechnology and Institute of Translational Medicine for Brain Critical Diseases, Nanjing University, Nanjing, 210008, China.
| | - Yun Xu
- Department of Neurology, Nanjing Drum Tower Hospital Clinical College of Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210008, China; Department of Neurology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210008, China; Department of Neurology, Nanjing Drum Tower Hospital, State Key Laboratory of Pharmaceutical Biotechnology and Institute of Translational Medicine for Brain Critical Diseases, Nanjing University, Nanjing, 210008, China; Jiangsu Provincial Key Discipline of Neurology, Nanjing, 210008, China; Jiangsu Key Laboratory for Molecular Medicine, Medical School of Nanjing University, Nanjing, 210008, China.
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11
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Jia J, Jiao W, Wang G, Wu J, Huang Z, Zhang Y. Drugs/agents for the treatment of ischemic stroke: Advances and perspectives. Med Res Rev 2024; 44:975-1012. [PMID: 38126568 DOI: 10.1002/med.22009] [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: 07/13/2023] [Revised: 11/20/2023] [Accepted: 12/07/2023] [Indexed: 12/23/2023]
Abstract
Ischemic stroke (IS) poses a significant threat to global human health and life. In recent decades, we have witnessed unprecedented progresses against IS, including thrombolysis, thrombectomy, and a few medicines that can assist in reopening the blocked brain vessels or serve as standalone treatments for patients who are not eligible for thrombolysis/thrombectomy therapies. However, the narrow time windows of thrombolysis/thrombectomy, coupled with the risk of hemorrhagic transformation, as well as the lack of highly effective and safe medications, continue to present big challenges in the acute treatment and long-term recovery of IS. In the past 3 years, several excellent articles have reviewed pathophysiology of IS and therapeutic medicines for the treatment of IS based on the pathophysiology. Regretfully, there is no comprehensive overview to summarize all categories of anti-IS drugs/agents designed and synthesized based on molecular mechanisms of IS pathophysiology. From medicinal chemistry view of point, this article reviews a multitude of anti-IS drugs/agents, including small molecule compounds, natural products, peptides, and others, which have been developed based on the molecular mechanism of IS pathophysiology, such as excitotoxicity, oxidative/nitrosative stresses, cell death pathways, and neuroinflammation, and so forth. In addition, several emerging medicines and strategies, including nanomedicines, stem cell therapy and noncoding RNAs, which recently appeared for the treatment of IS, are shortly introduced. Finally, the perspectives on the associated challenges and future directions of anti-IS drugs/agents are briefly provided to move the field forward.
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Affiliation(s)
- Jian Jia
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Drug Discovery, China Pharmaceutical University, Nanjing, China
- Novel Technology Center of Pharmaceutical Chemistry, Shanghai Institute of Pharmaceutical Industry Co., Ltd., China State Institute of Pharmaceutical Industry, Shanghai, China
| | - Weijie Jiao
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Drug Discovery, China Pharmaceutical University, Nanjing, China
| | - Guan Wang
- Novel Technology Center of Pharmaceutical Chemistry, Shanghai Institute of Pharmaceutical Industry Co., Ltd., China State Institute of Pharmaceutical Industry, Shanghai, China
| | - Jianbing Wu
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Drug Discovery, China Pharmaceutical University, Nanjing, China
| | - Zhangjian Huang
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Drug Discovery, China Pharmaceutical University, Nanjing, China
| | - Yihua Zhang
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Drug Discovery, China Pharmaceutical University, Nanjing, China
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12
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Zhou J, Ning E, Lu L, Zhang H, Yang X, Hao Y. Effectiveness of low-intensity pulsed ultrasound on osteoarthritis: molecular mechanism and tissue engineering. Front Med (Lausanne) 2024; 11:1292473. [PMID: 38695024 PMCID: PMC11061361 DOI: 10.3389/fmed.2024.1292473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Accepted: 04/05/2024] [Indexed: 05/04/2024] Open
Abstract
Osteoarthritis (OA) is distinguished by pathological alterations in the synovial membrane, articular cartilage, and subchondral bone, resulting in physical symptoms such as pain, deformity, and impaired mobility. Numerous research studies have validated the effectiveness of low-intensity pulsed ultrasound (LIPUS) in OA treatment. The periodic mechanical waves generated by LIPUS can mitigate cellular ischemia and hypoxia, induce vibration and collision, produce notable thermal and non-thermal effects, alter cellular metabolism, expedite tissue repair, improve nutrient delivery, and accelerate the healing process of damaged tissues. The efficacy and specific mechanism of LIPUS is currently under investigation. This review provides an overview of LIPUS's potential role in the treatment of OA, considering various perspectives such as the synovial membrane, cartilage, subchondral bone, and tissue engineering. It aims to facilitate interdisciplinary scientific research and further exploration of LIPUS as a complementary technique to existing methods or surgery. Ongoing research is focused on determining the optimal dosage, frequency, timing, and treatment strategy of LIPUS for OA. Additional research is required to clarify the precise mechanism of action and potential impacts on cellular, animal, and human systems prior to its integration into therapeutic applications.
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Affiliation(s)
- Jing Zhou
- Orthopedics and Sports Medicine Center, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, China
- Gusu School, Nanjing Medical University, Suzhou, China
| | - Eryu Ning
- Orthopedics and Sports Medicine Center, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, China
- Gusu School, Nanjing Medical University, Suzhou, China
| | - Lingfeng Lu
- Orthopedics and Sports Medicine Center, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, China
- Gusu School, Nanjing Medical University, Suzhou, China
| | - Huili Zhang
- Orthopedics and Sports Medicine Center, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, China
- Gusu School, Nanjing Medical University, Suzhou, China
| | - Xing Yang
- Orthopedics and Sports Medicine Center, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, China
- Gusu School, Nanjing Medical University, Suzhou, China
| | - Yuefeng Hao
- Orthopedics and Sports Medicine Center, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, China
- Gusu School, Nanjing Medical University, Suzhou, China
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13
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Zhang Q, Yao Y, Chen Y, Ren D, Wang P. A Retrospective Study of Biological Risk Factors Associated with Primary Knee Osteoarthritis and the Development of a Nomogram Model. Int J Gen Med 2024; 17:1405-1417. [PMID: 38617053 PMCID: PMC11015847 DOI: 10.2147/ijgm.s454664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Accepted: 04/04/2024] [Indexed: 04/16/2024] Open
Abstract
Aim A high percentage of the elderly suffer from knee osteoarthritis (KOA), which imposes a certain economic burden on them and on society as a whole. The purpose of this study is to examine the risk of KOA and to develop a KOA nomogram model that can timely intervene in this disease to decrease patient psychological burdens. Methods Data was collected from patients with KOA and without KOA at our hospital from February 2021 to February 2023. Initially, a comparison was conducted between the variables, identifying statistical differences between the two groups. Subsequently, the risk of KOA was evaluated using the Least Absolute Shrinkage and Selection Operator method and multivariate logistic regression to determine the most effective predictive index and develop a prediction model. The examination of the disease risk prediction model in KOA includes the corresponding nomogram, which encompasses various potential predictors. The assessment of disease risk entails the application of various metrics, including the consistency index (C index), the area under the curve (AUC) of the receiver operating characteristic curve, the calibration chart, the GiViTi calibration band, and the model for predicting KOA. Furthermore, the potential clinical significance of the model is explored through decision curve analysis (DCA) and clinical influence curve analysis. Results The study included a total of 582 patients, consisting of 392 patients with KOA and 190 patients without KOA. The nomogram utilized age, haematocrit, platelet count, apolipoprotein a1, potassium, magnesium, hydroxybutyrate dehydrogenase, creatine kinase, and estimated glomerular filtration rate as predictors. The C index, AUC, calibration plot, Giviti calibration band, DCA and clinical influence KOA indicated the ability of nomogram model to differentiate KOA. Conclusion Using nomogram based on disease risk, high-risk KOA can be identified directly without imaging.
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Affiliation(s)
- Qingzhu Zhang
- Orthopedic Trauma Service Center, Third Hospital of Hebei Medical University, Major Laboratory of Orthopedic Biomechanics in Hebei Province, Shijiazhuang, Hebei Province, People’s Republic of China
- Department of Orthopedics, the Affiliated Hospital of Chengde Medical University, Chengde, Hebei Province, People’s Republic of China
| | - Yinhui Yao
- Department of Pharmacy, the Affiliated Hospital of Chengde Medical University, Chengde, Hebei Province, People’s Republic of China
| | - Yufeng Chen
- Orthopedic Trauma Service Center, Third Hospital of Hebei Medical University, Major Laboratory of Orthopedic Biomechanics in Hebei Province, Shijiazhuang, Hebei Province, People’s Republic of China
| | - Dong Ren
- Orthopedic Trauma Service Center, Third Hospital of Hebei Medical University, Major Laboratory of Orthopedic Biomechanics in Hebei Province, Shijiazhuang, Hebei Province, People’s Republic of China
| | - Pengcheng Wang
- Orthopedic Trauma Service Center, Third Hospital of Hebei Medical University, Major Laboratory of Orthopedic Biomechanics in Hebei Province, Shijiazhuang, Hebei Province, People’s Republic of China
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14
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Li W, Lv Z, Wang P, Xie Y, Sun W, Guo H, Jin X, Liu Y, Jiang R, Fei Y, Tan G, Jiang H, Wang X, Liu Z, Wang Z, Xu N, Gong W, Wu R, Shi D. Near Infrared Responsive Gold Nanorods Attenuate Osteoarthritis Progression by Targeting TRPV1. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2307683. [PMID: 38358041 PMCID: PMC11040380 DOI: 10.1002/advs.202307683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 12/01/2023] [Indexed: 02/16/2024]
Abstract
Osteoarthritis (OA) is the most common degenerative joint disease worldwide, with the main pathological manifestation of articular cartilage degeneration. It have been investigated that pharmacological activation of transient receptor potential vanilloid 1 (TRPV1) significantly alleviated cartilage degeneration by abolishing chondrocyte ferroptosis. In this work, in view of the thermal activated feature of TRPV1, Citrate-stabilized gold nanorods (Cit-AuNRs) is conjugated to TRPV1 monoclonal antibody (Cit-AuNRs@Anti-TRPV1) as a photothermal switch for TRPV1 activation in chondrocytes under near infrared (NIR) irradiation. The conjugation of TRPV1 monoclonal antibody barely affect the morphology and physicochemical properties of Cit-AuNRs. Under NIR irradiation, Cit-AuNRs@Anti-TRPV1 exhibited good biocompatibility and flexible photothermal responsiveness. Intra-articular injection of Cit-AuNRs@Anti-TRPV1 followed by NIR irradiation significantly activated TRPV1 and attenuated cartilage degradation by suppressing chondrocytes ferroptosis. The osteophyte formation and subchondral bone sclerosis are remarkably alleviated by NIR-inspired Cit-AuNRs@Anti-TRPV1. Furthermore, the activation of TRPV1 by Cit-AuNRs@Anti-TRPV1 evidently improved physical activities and alleviated pain of destabilization of the medial meniscus (DMM)-induced OA mice. The study reveals Cit-AuNRs@Anti-TRPV1 under NIR irradiation protects chondrocytes from ferroptosis and attenuates OA progression, providing a potential therapeutic strategy for the treatment of OA.
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Affiliation(s)
- Weitong Li
- Division of Sports Medicine and Adult Reconstructive SurgeryDepartment of Orthopedic SurgeryNanjing Drum Tower Hospital Clinical College of Nanjing University of Chinese Medicine321 Zhongshan RoadNanjingJiangsu210008China
- Division of Sports Medicine and Adult Reconstructive SurgeryDepartment of Orthopedic SurgeryNanjing Drum Tower HospitalAffiliated Hospital of Medical SchoolNanjing University321 Zhongshan RoadNanjingJiangsu210008China
| | - Zhongyang Lv
- Department of OrthopedicsNanjing Jinling HospitalAffiliated Hospital of Medical SchoolNanjing UniversityNanjing210002China
| | - Peng Wang
- Division of Sports Medicine and Adult Reconstructive SurgeryDepartment of Orthopedic SurgeryNanjing Drum Tower HospitalAffiliated Hospital of Medical SchoolNanjing University321 Zhongshan RoadNanjingJiangsu210008China
| | - Ya Xie
- Division of Sports Medicine and Adult Reconstructive SurgeryDepartment of Orthopedic SurgeryNanjing Drum Tower Hospital Clinical College of Nanjing University of Chinese Medicine321 Zhongshan RoadNanjingJiangsu210008China
- Division of Sports Medicine and Adult Reconstructive SurgeryDepartment of Orthopedic SurgeryNanjing Drum Tower HospitalAffiliated Hospital of Medical SchoolNanjing University321 Zhongshan RoadNanjingJiangsu210008China
| | - Wei Sun
- Department of OrthopedicThe Jiangyin Clinical College of Xuzhou Medical UniversityJiangyin214400China
| | - Hu Guo
- Division of Sports Medicine and Adult Reconstructive SurgeryDepartment of Orthopedic SurgeryNanjing Drum Tower HospitalAffiliated Hospital of Medical SchoolNanjing University321 Zhongshan RoadNanjingJiangsu210008China
| | - Xiaoyu Jin
- Division of Sports Medicine and Adult Reconstructive SurgeryDepartment of Orthopedic SurgeryNanjing Drum Tower Hospital Clinical College of Nanjing University of Chinese Medicine321 Zhongshan RoadNanjingJiangsu210008China
- Division of Sports Medicine and Adult Reconstructive SurgeryDepartment of Orthopedic SurgeryNanjing Drum Tower HospitalAffiliated Hospital of Medical SchoolNanjing University321 Zhongshan RoadNanjingJiangsu210008China
| | - Yuan Liu
- Division of Sports Medicine and Adult Reconstructive SurgeryDepartment of Orthopedic SurgeryNanjing Drum Tower HospitalAffiliated Hospital of Medical SchoolNanjing University321 Zhongshan RoadNanjingJiangsu210008China
| | - Ruiyang Jiang
- Division of Sports Medicine and Adult Reconstructive SurgeryDepartment of Orthopedic SurgeryNanjing Drum Tower HospitalClinical College of Xuzhou Medical UniversityXuzhou Medical UniversityNanjingJiangsu221004China
| | - Yuxiang Fei
- Division of Sports Medicine and Adult Reconstructive SurgeryDepartment of Orthopedic SurgeryNanjing Drum Tower HospitalAffiliated Hospital of Medical SchoolNanjing University321 Zhongshan RoadNanjingJiangsu210008China
| | - Guihua Tan
- Division of Sports Medicine and Adult Reconstructive SurgeryDepartment of Orthopedic SurgeryNanjing Drum Tower HospitalAffiliated Hospital of Medical SchoolNanjing University321 Zhongshan RoadNanjingJiangsu210008China
| | - Huiming Jiang
- Division of Sports Medicine and Adult Reconstructive SurgeryDepartment of Orthopedic SurgeryNanjing Drum Tower HospitalAffiliated Hospital of Medical SchoolNanjing University321 Zhongshan RoadNanjingJiangsu210008China
| | - Xucai Wang
- Co‐Innovation Center for Efficient Processing and Utilization of Forest ResourcesCollege of Chemical EngineeringNanjing Forestry UniversityNanjing210037China
| | - Zizheng Liu
- Division of Sports Medicine and Adult Reconstructive SurgeryDepartment of Orthopedic SurgeryNanjing Drum Tower HospitalAffiliated Hospital of Medical SchoolNanjing University321 Zhongshan RoadNanjingJiangsu210008China
| | - Zheng Wang
- Division of Sports Medicine and Adult Reconstructive SurgeryDepartment of Orthopedic SurgeryNanjing Drum Tower HospitalAffiliated Hospital of Medical SchoolNanjing University321 Zhongshan RoadNanjingJiangsu210008China
| | - Nuo Xu
- Division of Sports Medicine and Adult Reconstructive SurgeryDepartment of Orthopedic SurgeryNanjing Drum Tower Hospital Clinical College of Nanjing University of Chinese Medicine321 Zhongshan RoadNanjingJiangsu210008China
- Division of Sports Medicine and Adult Reconstructive SurgeryDepartment of Orthopedic SurgeryNanjing Drum Tower HospitalAffiliated Hospital of Medical SchoolNanjing University321 Zhongshan RoadNanjingJiangsu210008China
| | - Wenli Gong
- Division of Sports Medicine and Adult Reconstructive SurgeryDepartment of Orthopedic SurgeryNanjing Drum Tower Hospital Clinical College of Nanjing University of Chinese Medicine321 Zhongshan RoadNanjingJiangsu210008China
- Division of Sports Medicine and Adult Reconstructive SurgeryDepartment of Orthopedic SurgeryNanjing Drum Tower HospitalAffiliated Hospital of Medical SchoolNanjing University321 Zhongshan RoadNanjingJiangsu210008China
| | - Rui Wu
- Division of Sports Medicine and Adult Reconstructive SurgeryDepartment of Orthopedic SurgeryNanjing Drum Tower HospitalAffiliated Hospital of Medical SchoolNanjing University321 Zhongshan RoadNanjingJiangsu210008China
| | - Dongquan Shi
- Division of Sports Medicine and Adult Reconstructive SurgeryDepartment of Orthopedic SurgeryNanjing Drum Tower Hospital Clinical College of Nanjing University of Chinese Medicine321 Zhongshan RoadNanjingJiangsu210008China
- Division of Sports Medicine and Adult Reconstructive SurgeryDepartment of Orthopedic SurgeryNanjing Drum Tower HospitalAffiliated Hospital of Medical SchoolNanjing University321 Zhongshan RoadNanjingJiangsu210008China
- Division of Sports Medicine and Adult Reconstructive SurgeryDepartment of Orthopedic SurgeryNanjing Drum Tower HospitalClinical College of Xuzhou Medical UniversityXuzhou Medical UniversityNanjingJiangsu221004China
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Zhang Y, Ye S, Zhang Y, Sun H, Zhao X, Shen X, Wu L. Potential salivary and serum biomarkers for burning mouth syndrome and their relationship with anxiety/depression. J Dent Sci 2024; 19:1052-1060. [PMID: 38618099 PMCID: PMC11010615 DOI: 10.1016/j.jds.2023.06.003] [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: 05/04/2023] [Revised: 06/06/2023] [Indexed: 04/16/2024] Open
Abstract
Background/purpose The pathophysiology of burning mouth syndrome (BMS), although considered a multifactorial etiology including psychological factors, is still not well understood. Hence, this study aimed to investigate the potential usage of salivary and serum biomarkers, including brain-derived neurotrophic factor (BDNF), interferon-gamma (IFN-γ), interleukin-1beta (IL-1β), interleukin-6 (IL-6), interleukin-8 (IL-8), and tumor necrosis factor-alpha (TNF-α), in diagnosing BMS and their correlations with anxiety/depression. Materials and methods 45 BMS patients and 14 healthy volunteers were enrolled. The patients were divided into BMS with anxiety/depression group and BMS without anxiety/depression group according to the scores of the Zung Self-rating Anxiety Scale (SAS) and Zung Self-rating Depression Scale (SDS). Additionally, concentrations of BDNF, IFN-γ, IL-1β, IL-6, IL-8, and TNF-α in saliva and those in serum among the patients and healthy volunteers were assessed by multiplex assay using Luminex 200TM system and Enzyme-linked immunosorbent assay (ELISA), respectively. Results Among all the serum biomarkers, only BDNF showed a statistically significant decrease in the patients than the healthy volunteers (P < 0.05). Regarding saliva biomarkers, BDNF, IL-1β, and IL-8 all exhibited a statistically significant increase in all the BMS patients versus the healthy volunteers (P < 0.05) but only BDNF was significantly different between patients with anxiety/depression and healthy individuals when considering anxiety/depression. Among BMS patients with anxiety/depression, saliva TNF-α had positive associations with other biomarkers including BDNF, IFN-γ, IL-1β, IL-6, and IL-8 (P < 0.05). Conclusion The increased concentration of saliva BDNF holds strong potential for diagnosing BMS and the elevated level of saliva TNF-α is crucial in identifying BMS patients with anxiety/depression.
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Affiliation(s)
- Ying Zhang
- Department of Oral Mucosal Diseases, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Stomatology, College of Stomatology, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Jiao Tong University, Shanghai, China
| | - Sai Ye
- Department of Oral Mucosal Diseases, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Stomatology, College of Stomatology, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Jiao Tong University, Shanghai, China
| | - Yangqing Zhang
- No.2 High School of East China Normal University, Shanghai, China
| | - Hong Sun
- Department of Laboratory Medicine, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiaoxian Zhao
- Department of Oral Mucosal Diseases, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Stomatology, College of Stomatology, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Jiao Tong University, Shanghai, China
| | - Xuemin Shen
- Department of Oral Mucosal Diseases, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Stomatology, College of Stomatology, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Jiao Tong University, Shanghai, China
| | - Lan Wu
- Department of Oral Mucosal Diseases, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Stomatology, College of Stomatology, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Jiao Tong University, Shanghai, China
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16
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Liu X, Yan Q, Liu X, Wei W, Zou L, Zhao F, Zeng S, Yi L, Ding H, Zhao M, Chen J, Fan S. PKM2 induces mitophagy through the AMPK-mTOR pathway promoting CSFV proliferation. J Virol 2024; 98:e0175123. [PMID: 38319105 PMCID: PMC10949426 DOI: 10.1128/jvi.01751-23] [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: 11/07/2023] [Accepted: 12/14/2023] [Indexed: 02/07/2024] Open
Abstract
Viruses exploit the host cell's energy metabolism system to support their replication. Mitochondria, known as the powerhouse of the cell, play a critical role in regulating cell survival and virus replication. Our prior research indicated that the classical swine fever virus (CSFV) alters mitochondrial dynamics and triggers glycolytic metabolic reprogramming. However, the role and mechanism of PKM2, a key regulatory enzyme of glycolytic metabolism, in CSFV replication remain unclear. In this study, we discovered that CSFV enhances PKM2 expression and utilizes PKM2 to inhibit pyruvate production. Using an affinity purification coupled mass spectrometry system, we successfully identified PKM as a novel interaction partner of the CSFV non-structural protein NS4A. Furthermore, we validated the interaction between PKM2 and both CSFV NS4A and NS5A through co-immunoprecipitation and confocal analysis. PKM2 was found to promote the expression of both NS4A and NS5A. Moreover, we observed that PKM2 induces mitophagy by activating the AMPK-mTOR signaling pathway, thereby facilitating CSFV proliferation. In summary, our data reveal a novel mechanism whereby PKM2, a metabolic enzyme, promotes CSFV proliferation by inducing mitophagy. These findings offer a new avenue for developing antiviral strategies. IMPORTANCE Viruses rely on the host cell's material-energy metabolic system for replication, inducing host metabolic disorders and subsequent immunosuppression-a major contributor to persistent viral infections. Classical swine fever virus (CSFV) is no exception. Classical swine fever is a severe acute infectious disease caused by CSFV, resulting in significant economic losses to the global pig industry. While the role of the metabolic enzyme PKM2 (pyruvate dehydrogenase) in the glycolytic pathway of tumor cells has been extensively studied, its involvement in viral infection remains relatively unknown. Our data unveil a new mechanism by which the metabolic enzyme PKM2 mediates CSFV infection, offering novel avenues for the development of antiviral strategies.
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Affiliation(s)
- Xiaodi Liu
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guang Dong, China
| | - Quanhui Yan
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guang Dong, China
| | - Xueyi Liu
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guang Dong, China
| | - Wenkang Wei
- State Key Laboratory of Swine and Poultry Breeding Industry, Agro-Biological Gene Research Center, Guangdong Academy of Agricultural Sciences, Guangzhou, China
| | - Linke Zou
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guang Dong, China
| | - Feifan Zhao
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guang Dong, China
| | - Sen Zeng
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guang Dong, China
| | - Lin Yi
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guang Dong, China
| | - Hongxing Ding
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guang Dong, China
| | - Mingqiu Zhao
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guang Dong, China
| | - Jinding Chen
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guang Dong, China
| | - Shuangqi Fan
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guang Dong, China
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Pan C, Lu F, Hao X, Deng X, Liu J, Sun K, Hou W, Shang X, Chi R, Guo F, Xu T. Low-intensity pulsed ultrasound delays the progression of osteoarthritis by regulating the YAP-RIPK1-NF-κB axis and influencing autophagy. J Transl Med 2024; 22:286. [PMID: 38493143 PMCID: PMC10943805 DOI: 10.1186/s12967-024-05086-x] [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: 12/12/2023] [Accepted: 03/10/2024] [Indexed: 03/18/2024] Open
Abstract
BACKGROUND Osteoarthritis (OA) is a degenerative disease characterized by chronic inflammation of the joint. As the disease progresses, patients will gradually develop symptoms such as pain, physical limitations and even disability. The risk factors for OA include genetics, gender, trauma, obesity, and age. Unfortunately, due to limited understanding of its pathological mechanism, there are currently no effective drugs or treatments to suspend the progression of osteoarthritis. In recent years, some studies found that low-intensity pulsed ultrasound (LIPUS) may have a positive effect on osteoarthritis. Nonetheless, the exact mechanism by which LIPUS affects osteoarthritis remains unknown. It is valuable to explore the specific mechanism of LIPUS in the treatment of OA. METHODS In this study, we validated the potential therapeutic effect of LIPUS on osteoarthritis by regulating the YAP-RIPK1-NF-κB axis at both cellular and animal levels. To verify the effect of YAP on OA, the expression of YAP was knocked down or overexpressed by siRNA and plasmid in chondrocytes and adeno-associated virus was injected into the knee joint of rats. The effect of LIPUS was investigated in inflammation chondrocytes induced by IL-1β and in the post-traumatic OA model. RESULTS In this study, we observed that YAP plays an important role in the development of osteoarthritis and knocking down of YAP significantly inhibited the inflammation and alleviated cartilage degeneration. We also demonstrated that the expression of YAP was increased in osteoarthritis chondrocytes and YAP could interact with RIPK1, thereby regulating the NF-κB signal pathway and influencing inflammation. Moreover, we also discovered that LIPUS decreased the expression of YAP by restoring the impaired autophagy capacity and inhibiting the binding between YAP and RIPK1, thereby delaying the progression of osteoarthritis. Animal experiment showed that LIPUS could inhibit cartilage degeneration and alleviate the progression of OA. CONCLUSIONS These results showed that LIPUS is effective in inhibiting inflammation and cartilage degeneration and alleviate the progression of OA. As a result, our results provide new insight of mechanism by which LIPUS delays the development of osteoarthritis, offering a novel therapeutic regimen for osteoarthritis.
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Affiliation(s)
- Chunran Pan
- Department of Rehabilitation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095#, Jie-Fang Avenue, Qiaokou District, Wuhan, 430030, Hubei, China
| | - Fan Lu
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095#, Jie-Fang Avenue, Qiaokou District, Wuhan, 430030, Hubei, China
| | - Xiaoxia Hao
- Department of Rehabilitation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095#, Jie-Fang Avenue, Qiaokou District, Wuhan, 430030, Hubei, China
| | - Xiaofeng Deng
- Department of Rehabilitation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095#, Jie-Fang Avenue, Qiaokou District, Wuhan, 430030, Hubei, China
| | - Jiawei Liu
- Department of Rehabilitation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095#, Jie-Fang Avenue, Qiaokou District, Wuhan, 430030, Hubei, China
| | - Kai Sun
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095#, Jie-Fang Avenue, Qiaokou District, Wuhan, 430030, Hubei, China
| | - Wenjie Hou
- Department of Rehabilitation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095#, Jie-Fang Avenue, Qiaokou District, Wuhan, 430030, Hubei, China
| | - Xingru Shang
- Department of Rehabilitation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095#, Jie-Fang Avenue, Qiaokou District, Wuhan, 430030, Hubei, China
| | - Ruimin Chi
- Department of Rehabilitation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095#, Jie-Fang Avenue, Qiaokou District, Wuhan, 430030, Hubei, China
| | - Fengjing Guo
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095#, Jie-Fang Avenue, Qiaokou District, Wuhan, 430030, Hubei, China.
| | - Tao Xu
- Department of Rehabilitation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095#, Jie-Fang Avenue, Qiaokou District, Wuhan, 430030, Hubei, China.
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18
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Fang S, Zhang B, Xiang W, Zheng L, Wang X, Li S, Zhang T, Feng D, Gong Y, Wu J, Yuan J, Wu Y, Zhu Y, Liu E, Ni Z. Natural products in osteoarthritis treatment: bridging basic research to clinical applications. Chin Med 2024; 19:25. [PMID: 38360724 PMCID: PMC10870578 DOI: 10.1186/s13020-024-00899-w] [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: 11/21/2023] [Accepted: 02/05/2024] [Indexed: 02/17/2024] Open
Abstract
Osteoarthritis (OA) is the most prevalent degenerative musculoskeletal disease, severely impacting the function of patients and potentially leading to disability, especially among the elderly population. Natural products (NPs), obtained from components or metabolites of plants, animals, microorganisms etc., have gained significant attention as important conservative treatments for various diseases. Recently, NPs have been well studied in preclinical and clinical researches, showing promising potential in the treatment of OA. In this review, we summed up the main signaling pathways affected by NPs in OA treatment, including NF-κB, MAPKs, PI3K/AKT, SIRT1, and other pathways, which are related to inflammation, anabolism and catabolism, and cell death. In addition, we described the therapeutic effects of NPs in different OA animal models and the current clinical studies in OA patients. At last, we discussed the potential research directions including in-depth analysis of the mechanisms and new application strategies of NPs for the OA treatment, so as to promote the basic research and clinical transformation in the future. We hope that this review may allow us to get a better understanding about the potential bioeffects and mechanisms of NPs in OA therapy, and ultimately improve the effectiveness of NPs-based clinical conservative treatment for OA patients.
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Affiliation(s)
- Shunzheng Fang
- School of Pharmacy, Medicinal Basic Research Innovation Center of Chronic Kidney Disease, Ministry of Education, Shanxi Medical University, Taiyuan, 030001, China
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Rehabilitation Medicine, Daping Hospital, Army Medical University, Chongqing, 400022, China
| | - Bin Zhang
- Department of Wound Repair and Rehabilitation Medicine, Center of Bone Metabolism and Repair, Laboratory for Prevention and Rehabilitation of Training Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Army Medical University, Chongqing, 400022, China
- Rehabilitation Center, Key Specialty of Neck and Low Back Pain Rehabilitation, Strategic Support Force Xingcheng Special Duty Sanatorium, Liaoning, 125100, China
| | - Wei Xiang
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Rehabilitation Medicine, Daping Hospital, Army Medical University, Chongqing, 400022, China
| | - Liujie Zheng
- Department of Orthopaedic Surgery, The Fourth Hospital of Wuhan, Wuhan, 430000, Hubei, China
| | - Xiaodong Wang
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Rehabilitation Medicine, Daping Hospital, Army Medical University, Chongqing, 400022, China
| | - Song Li
- Department of Wound Repair and Rehabilitation Medicine, Center of Bone Metabolism and Repair, Laboratory for Prevention and Rehabilitation of Training Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Army Medical University, Chongqing, 400022, China
| | - Tongyi Zhang
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Rehabilitation Medicine, Daping Hospital, Army Medical University, Chongqing, 400022, China
| | - Daibo Feng
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Rehabilitation Medicine, Daping Hospital, Army Medical University, Chongqing, 400022, China
| | - Yunquan Gong
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Rehabilitation Medicine, Daping Hospital, Army Medical University, Chongqing, 400022, China
| | - Jinhui Wu
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Rehabilitation Medicine, Daping Hospital, Army Medical University, Chongqing, 400022, China
| | - Jing Yuan
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Rehabilitation Medicine, Daping Hospital, Army Medical University, Chongqing, 400022, China
| | - Yaran Wu
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Rehabilitation Medicine, Daping Hospital, Army Medical University, Chongqing, 400022, China
| | - Yizhen Zhu
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Rehabilitation Medicine, Daping Hospital, Army Medical University, Chongqing, 400022, China
| | - Enli Liu
- School of Pharmacy, Medicinal Basic Research Innovation Center of Chronic Kidney Disease, Ministry of Education, Shanxi Medical University, Taiyuan, 030001, China.
| | - Zhenhong Ni
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Rehabilitation Medicine, Daping Hospital, Army Medical University, Chongqing, 400022, China.
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19
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Wang Y, Cao X, Shen Y, Zhong Q, Wu Z, Wu Y, Weng W, Xu C. Evaluate the effects of low-intensity pulsed ultrasound on dental implant osseointegration under type II diabetes. Front Bioeng Biotechnol 2024; 12:1356412. [PMID: 38371421 PMCID: PMC10869464 DOI: 10.3389/fbioe.2024.1356412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Accepted: 01/19/2024] [Indexed: 02/20/2024] Open
Abstract
Objective: The objective of this study is to assess the impact of low-intensity pulsed ultrasound (LIPUS) therapy on the peri-implant osteogenesis in a Type II diabetes mellitus (T2DM) rat model. Methods: A total of twenty male Sprague-Dawley (SD) rats were randomly allocated into four groups: Control group, T2DM group, Control-LIPUS group, and T2DM-LIPUS group. Implants were placed at the rats' bilateral maxillary first molar sites. The LIPUS treatment was carried out on the rats in Control-LIPUS group and T2DM-LIPUS group, immediately after the placement of the implants, over three consecutive weeks. Three weeks after implantation, the rats' maxillae were extracted for micro-CT, removal torque value (RTV), and histologic analysis. Results: Micro-CT analysis showed that T2DM rats experienced more bone loss around implant cervical margins compared with the non-T2DM rats, while the LIPUS treated T2DM rats showed similar bone heights to the non-T2DM rats. Bone-implant contact ratio (BIC) were lower in T2DM rats but significantly improved in the LIPUS treated T2DM rats. Bone formation parameters including bone volume fraction (BV/TV), trabecular thickness (Tb.Th), bone mineral density (BMD) and RTV were all positively influenced by LIPUS treatment. Histological staining further confirmed LIPUS's positive effects on peri-implant new bone formation in T2DM rats. Conclusion: As an effective and safe treatment in promoting osteogenesis, LIPUS has a great potential for T2DM patients to attain improved peri-implant osteogenesis. To confirm its clinical efficacy and to explore the underlying mechanism, further prospective cohort studies or randomized controlled trials are needed in the future.
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Affiliation(s)
- Yingying Wang
- Department of Prosthodontics, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- College of Stomatology, Shanghai Jiao Tong University, Shanghai, China
- National Center for Stomatology and National Clinical Research Center for Oral Diseases, Shanghai, China
- Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, Shanghai, China
| | - Ximeng Cao
- Department of Prosthodontics, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- College of Stomatology, Shanghai Jiao Tong University, Shanghai, China
- National Center for Stomatology and National Clinical Research Center for Oral Diseases, Shanghai, China
- Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, Shanghai, China
| | - Yingyi Shen
- Department of Prosthodontics, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- College of Stomatology, Shanghai Jiao Tong University, Shanghai, China
- National Center for Stomatology and National Clinical Research Center for Oral Diseases, Shanghai, China
- Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, Shanghai, China
| | - Qi Zhong
- Department of Prosthodontics, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- College of Stomatology, Shanghai Jiao Tong University, Shanghai, China
- National Center for Stomatology and National Clinical Research Center for Oral Diseases, Shanghai, China
- Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, Shanghai, China
| | - Ziang Wu
- Department of Prosthodontics, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- College of Stomatology, Shanghai Jiao Tong University, Shanghai, China
- National Center for Stomatology and National Clinical Research Center for Oral Diseases, Shanghai, China
- Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, Shanghai, China
| | - Yaqin Wu
- Department of Prosthodontics, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- College of Stomatology, Shanghai Jiao Tong University, Shanghai, China
- National Center for Stomatology and National Clinical Research Center for Oral Diseases, Shanghai, China
- Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, Shanghai, China
| | - Weimin Weng
- Department of Prosthodontics, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- College of Stomatology, Shanghai Jiao Tong University, Shanghai, China
- National Center for Stomatology and National Clinical Research Center for Oral Diseases, Shanghai, China
- Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, Shanghai, China
| | - Chun Xu
- Department of Prosthodontics, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- College of Stomatology, Shanghai Jiao Tong University, Shanghai, China
- National Center for Stomatology and National Clinical Research Center for Oral Diseases, Shanghai, China
- Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, Shanghai, China
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20
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Li S, Wu Y, Peng X, Chen H, Zhang T, Chen H, Yang J, Xie Y, Qi H, Xiang W, Huang B, Zhou S, Hu Y, Tan Q, Du X, Huang J, Zhang R, Li X, Luo F, Jin M, Su N, Luo X, Huang S, Yang P, Yan X, Lian J, Zhu Y, Xiong Y, Xiao G, Liu Y, Shen C, Kuang L, Ni Z, Chen L. A Novel Cargo Delivery System-AnCar-Exo LaIMTS Ameliorates Arthritis via Specifically Targeting Pro-Inflammatory Macrophages. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2306143. [PMID: 38083984 PMCID: PMC10870055 DOI: 10.1002/advs.202306143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 10/31/2023] [Indexed: 02/17/2024]
Abstract
Macrophages are heterogenic phagocytic cells that play distinct roles in physiological and pathological processes. Targeting different types of macrophages has shown potent therapeutic effects in many diseases. Although many approaches are developed to target anti-inflammatory macrophages, there are few researches on targeting pro-inflammatory macrophages, which is partially attributed to their non-s pecificity phagocytosis of extracellular substances. In this study, a novel recombinant protein is constructed that can be anchored on an exosome membrane with the purpose of targeting pro-inflammatory macrophages via antigen recognition, which is named AnCar-ExoLaIMTS . The data indicate that the phagocytosis efficiencies of pro-inflammatory macrophages for different AnCar-ExoLaIMTS show obvious differences. The AnCar-ExoLaIMTS3 has the best targeting ability for pro-inflammatory macrophages in vitro and in vivo. Mechanically, AnCar-ExoLaIMTS3 can specifically recognize the leucine-rich repeat domain of the TLR4 receptor, and then enter into pro-inflammatory macrophages via the TLR4-mediated receptor endocytosis pathway. Moreover, AnCar-ExoLaIMTS3 can efficiently deliver therapeutic cargo to pro-inflammatory macrophages and inhibit the synovial inflammatory response via downregulation of HIF-1α level, thus ameliorating the severity of arthritis in vivo. Collectively, the work established a novel gene/drug delivery system that can specifically target pro-inflammatory macrophages, which may be beneficial for the treatments of arthritis and other inflammatory diseases.
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21
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Shi Y, Tao H, Li X, Zhang L, Li C, Sun W, Chu M, Chen K, Zhu P, Wang Q, Gu C, Wang L, Yang X, Hao Y. κ-Opioid receptor activation attenuates osteoarthritis synovitis by regulating macrophage polarization through the NF-κB pathway. Acta Biochim Biophys Sin (Shanghai) 2024; 56:82-95. [PMID: 38013468 PMCID: PMC10875361 DOI: 10.3724/abbs.2023223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Accepted: 08/22/2023] [Indexed: 11/29/2023] Open
Abstract
Osteoarthritis (OA) is a prevalent and chronic joint disease that affects the aging population, causing pain and disability. Macrophages in synovium are important mediators of synovial inflammatory activity and pathological joint pain. Previous studies have demonstrated the significant involvement of κ-opioid receptor (KOR) in the regulation of pain and inflammation. Our study reveals a significant reduction in synovial KOR expression among patients and mice with OA. Here, we find that KOR activation effectively inhibits the expressions of the LPS-induced-inflammatory cytokines TNF-α and IL-6 by inhibiting macrophage M1 phenotype. Mechanistically, KOR activation effectively suppresses the proinflammatory factor secretion of macrophages by inhibiting the translocation of NF-κB into the nucleus. Our animal experiments reveal that activation of KOR effectively alleviates knee pain and prevents synovitis progression in OA mice. Consistently, KOR administration suppresses the expressions of M1 macrophage markers and the NF-κB pathway in the synovium of the knee. Collectively, our study suggests that targeting KOR may be a viable strategy for treating OA by inhibiting synovitis and improving joint pain in affected patients.
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Affiliation(s)
- Yi Shi
- Anesthesiology DepartmentSuzhou Municipal Hospital (North District)Nanjing Medical University Affiliated Suzhou HospitalSuzhou215000China
| | - Huaqiang Tao
- Department of Orthopedicsthe First Affiliated Hospital of Soochow UniversitySuzhou215000China
| | - Xueyan Li
- Anesthesiology DepartmentSuzhou Municipal Hospital (North District)Nanjing Medical University Affiliated Suzhou HospitalSuzhou215000China
| | - Liyuan Zhang
- Anesthesiology DepartmentSuzhou Municipal Hospital (North District)Nanjing Medical University Affiliated Suzhou HospitalSuzhou215000China
| | - Chunhui Li
- Anesthesiology DepartmentSuzhou Municipal Hospital (North District)Nanjing Medical University Affiliated Suzhou HospitalSuzhou215000China
| | - Wen Sun
- Anesthesiology DepartmentSuzhou Municipal Hospital (North District)Nanjing Medical University Affiliated Suzhou HospitalSuzhou215000China
| | - Miao Chu
- Department of Orthopedicsthe First Affiliated Hospital of Soochow UniversitySuzhou215000China
| | - Kai Chen
- Department of Orthopedicsthe First Affiliated Hospital of Soochow UniversitySuzhou215000China
| | - Pengfei Zhu
- Department of Orthopedicsthe First Affiliated Hospital of Soochow UniversitySuzhou215000China
| | - Qiang Wang
- Department of OrthopedicsChangshu Hospital Affiliated to Soochow UniversityFirst People’s Hospital of Changshu CityChangshu215500China
| | - Chengyong Gu
- Anesthesiology DepartmentSuzhou Municipal Hospital (North District)Nanjing Medical University Affiliated Suzhou HospitalSuzhou215000China
| | - Liangliang Wang
- Department of Orthopedicsthe Affiliated Changzhou No. 2 People’s Hospital of Nanjing Medical UniversityChangzhou213000China
| | - Xing Yang
- Orthopedics and Sports Medicine CenterSuzhou Municipal HospitalNanjing Medical University Affiliated Suzhou HospitalSuzhou215000China
| | - Yuefeng Hao
- Orthopedics and Sports Medicine CenterSuzhou Municipal HospitalNanjing Medical University Affiliated Suzhou HospitalSuzhou215000China
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22
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Jiang D, Guo J, Liu Y, Li W, Lu D. Glycolysis: an emerging regulator of osteoarthritis. Front Immunol 2024; 14:1327852. [PMID: 38264652 PMCID: PMC10803532 DOI: 10.3389/fimmu.2023.1327852] [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: 10/25/2023] [Accepted: 12/20/2023] [Indexed: 01/25/2024] Open
Abstract
Osteoarthritis (OA) has been a leading cause of disability in the elderly and there remains a lack of effective therapeutic approaches as the mechanisms of pathogenesis and progression have yet to be elucidated. As OA progresses, cellular metabolic profiles and energy production are altered, and emerging metabolic reprogramming highlights the importance of specific metabolic pathways in disease progression. As a crucial part of glucose metabolism, glycolysis bridges metabolic and inflammatory dysfunctions. Moreover, the glycolytic pathway is involved in different areas of metabolism and inflammation, and is associated with a variety of transcription factors. To date, it has not been fully elucidated whether the changes in the glycolytic pathway and its associated key enzymes are associated with the onset or progression of OA. This review summarizes the important role of glycolysis in mediating cellular metabolic reprogramming in OA and its role in inducing tissue inflammation and injury, with the aim of providing further insights into its pathological functions and proposing new targets for the treatment of OA.
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Affiliation(s)
- Dingming Jiang
- School of Life Sciences, Zhejiang Chinese Medical University, Hangzhou, China
- The Second Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Jianan Guo
- School of Life Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Yingquan Liu
- The Second Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Wenxin Li
- The Second Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
- Hangzhou Linping District Nanyuan Street Community Health Center, Hangzhou, China
| | - Dezhao Lu
- School of Life Sciences, Zhejiang Chinese Medical University, Hangzhou, China
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23
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Zhang J, Gao L, Zhang Y, Wang H, Sun S, Wu L. Involvement of microglial P2X7 receptor in pain modulation. CNS Neurosci Ther 2024; 30:e14496. [PMID: 37950524 PMCID: PMC10805404 DOI: 10.1111/cns.14496] [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: 05/02/2023] [Revised: 08/23/2023] [Accepted: 10/02/2023] [Indexed: 11/12/2023] Open
Abstract
BACKGROUND Pain is a rapid response mechanism that compels organisms to retreat from the harmful stimuli and triggers a repair response. Nonetheless, when pain persists for extended periods, it can lead to adverse changes into in the individual's brain, negatively impacting their emotional state and overall quality of life. Microglia, the resident immune cells in the central nervous system (CNS), play a pivotal role in regulating a variety of pain-related disorders. Specifically, recent studies have shed light on the central role that microglial purinergic ligand-gated ion channel 7 receptor (P2X7R) plays in regulating pain. In this respect, the P2X7R on microglial membranes represents a potential therapeutic target. AIMS To expound on the intricate link between microglial P2X7R and pain, offering insights into potential avenues for future research. METHODS We reviewed 140 literature and summarized the important role of microglial P2X7R in regulating pain, including the structure and function of P2X7R, the relationship between P2X7R and microglial polarization, P2X7R-related signaling pathways, and the effects of P2X7R antagonists on pain regulation. RESULTS P2X7R activation is related to M1 polarization of microglia, while suppressing P2X7R can transfer microglia from M1 into M2 phenotype. And targeting the P2X7R-mediated signaling pathways helps to explore new therapy for pain alleviation. P2X7R antagonists also hold potential for translational and clinical applications in pain management. CONCLUSIONS Microglial P2X7R holds promise as a potential novel pharmacological target for clinical treatments due to its distinctive structure, function, and the development of antagonists.
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Affiliation(s)
- Jing Zhang
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Department of Pediatric Dentistry, School of StomatologyThe Fourth Military Medical UniversityXi'anShaanxiChina
| | - Lei Gao
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Department of Pediatric Dentistry, School of StomatologyThe Fourth Military Medical UniversityXi'anShaanxiChina
| | - Yaoyuan Zhang
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Department of Pediatric Dentistry, School of StomatologyThe Fourth Military Medical UniversityXi'anShaanxiChina
| | - Haozhen Wang
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Department of Pediatric Dentistry, School of StomatologyThe Fourth Military Medical UniversityXi'anShaanxiChina
| | - Shukai Sun
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Department of Pediatric Dentistry, School of StomatologyThe Fourth Military Medical UniversityXi'anShaanxiChina
| | - Li‐an Wu
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Department of Pediatric Dentistry, School of StomatologyThe Fourth Military Medical UniversityXi'anShaanxiChina
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24
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Zhang B, Zeng J, Zhang J, Song K, Kuang L, Wu X, Zhao G, Shang H, Ni Z, Chen L. Research trends and perspective of low-intensity pulsed ultrasound in orthopedic rehabilitation treatment based on Web of Science: A bibliometric analysis. J Back Musculoskelet Rehabil 2024; 37:1189-1203. [PMID: 38758991 DOI: 10.3233/bmr-230273] [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] [Indexed: 05/19/2024]
Abstract
BACKGROUND Ultrasound has a long history as a diagnostic and therapeutic tool. Low-intensity pulsed ultrasound (LIPUS), whose intensity is below 300 mW/cm2, has been widely used in orthopedic rehabilitation treatment. However, the detailed bioeffects and underlying mechanisms of LIPUS treatment need to be explored. OBJECTIVE To make a comprehensive view of the field, bibliometric and visualization analysis was used to reveal the global research trends of LIPUS in orthopedics and rehabilitation treatment between 1994 and 2023. METHODS All literature data on LIPUS were retrieved from the Web of Science Core Collection database. VOSviewer and CiteSpace were applied for the bibliometric and visualization analysis. RESULTS A total of 760 publications were included. The distribution of publications generally showed an unstable rising trend. China had the highest number of publications (28.0%), and Chong Qing Medical University was the organization with the highest number of publications (5.8%). Ultrasound in Medicine and Biology had the highest number of publications (8.8%), while BMJ-British Medical Journal had the highest impact factor among the retrieved journals. Ling Qin from the Chinese University of Hong Kong was the most active researcher. Our overlay visualization map showed that the keywords such as pain, knee osteoarthritis, apoptosis, chondrocytes, cartilage, and autophagy, which link to osteoarthritis, have becoming the new research trends and hotspots. CONCLUSION LIPUS is a popular and increasingly important area of orthopedic rehabilitation, and collaboration of authors from different countries should be further strengthened. Predictably, clinical application of LIPUS on chronic inflammation-related diseases and regenerative medicine, and in-depth biological mechanisms are the orientations of LIPUS in orthopedic rehabilitation treatment.
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Affiliation(s)
- Bin Zhang
- Department of Wound Repair and Rehabilitation Medicine, Center of Bone Metabolism and Repair, Laboratory for Prevention and Rehabilitation of Training Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Army Medical University, Chongqing, China
- Rehabilitation Department, Key Specialty of Neck and Low Back Pain Rehabilitation, Xingcheng Special Duty Sanatorium, Xingcheng, Liaoning, China
- Department of Wound Repair and Rehabilitation Medicine, Center of Bone Metabolism and Repair, Laboratory for Prevention and Rehabilitation of Training Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Army Medical University, Chongqing, China
| | - Jiahao Zeng
- Rehabilitation Department, Key Specialty of Neck and Low Back Pain Rehabilitation, Xingcheng Special Duty Sanatorium, Xingcheng, Liaoning, China
- Department of Wound Repair and Rehabilitation Medicine, Center of Bone Metabolism and Repair, Laboratory for Prevention and Rehabilitation of Training Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Army Medical University, Chongqing, China
| | - Jiayi Zhang
- Rehabilitation Department, Key Specialty of Neck and Low Back Pain Rehabilitation, Xingcheng Special Duty Sanatorium, Xingcheng, Liaoning, China
- Department of Wound Repair and Rehabilitation Medicine, Center of Bone Metabolism and Repair, Laboratory for Prevention and Rehabilitation of Training Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Army Medical University, Chongqing, China
| | - Keyan Song
- Rehabilitation Department, Key Specialty of Neck and Low Back Pain Rehabilitation, Xingcheng Special Duty Sanatorium, Xingcheng, Liaoning, China
| | - Liang Kuang
- Department of Wound Repair and Rehabilitation Medicine, Center of Bone Metabolism and Repair, Laboratory for Prevention and Rehabilitation of Training Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Army Medical University, Chongqing, China
| | - Xiangbo Wu
- Department of Rehabilitation Medicine, Xi-Jing Hospital, Air Force Medical University (Fourth Military Medical University), Xi'an, Shaanxi, China
| | - Guang Zhao
- Rehabilitation Department, Key Specialty of Neck and Low Back Pain Rehabilitation, Xingcheng Special Duty Sanatorium, Xingcheng, Liaoning, China
| | - Huijuan Shang
- Rehabilitation Department, Key Specialty of Neck and Low Back Pain Rehabilitation, Xingcheng Special Duty Sanatorium, Xingcheng, Liaoning, China
| | - Zhenhong Ni
- Department of Rehabilitation Medicine, State Key Laboratory of Trauma, Burns and Combined Injury, Daping Hospital, Army Medical University, Chongqing, China
| | - Lin Chen
- Department of Wound Repair and Rehabilitation Medicine, Center of Bone Metabolism and Repair, Laboratory for Prevention and Rehabilitation of Training Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Army Medical University, Chongqing, China
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25
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Li W, Li X, Kong Z, Chen B, Zhou H, Jiang Y, Li W, Zhong L, Zhang X, Zhang K, Zhang L, Zong X, Bai W, Zheng Y. Efficacy of low-intensity pulsed ultrasound in the treatment of COVID-19 pneumonia. ULTRASCHALL IN DER MEDIZIN (STUTTGART, GERMANY : 1980) 2023; 44:e274-e283. [PMID: 37467781 PMCID: PMC10695700 DOI: 10.1055/a-2133-0835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Accepted: 07/13/2023] [Indexed: 07/21/2023]
Abstract
PURPOSE As a public health emergency of international concern, coronavirus disease 2019 (COVID-19) still lacks specific antiviral drugs, and symptomatic treatment is currently the mainstay. The overactivated inflammatory response in COVID-19 patients is associated with a high risk of critical illness or even death. Low-intensity pulsed ultrasound (LIPUS) can mitigate inflammation and inhibit edema formation. We aimed to investigate the efficacy of LIPUS therapy for COVID-19 pneumonia. MATERIALS AND METHODS 62 patients were randomly assigned to a treatment group (LIPUS treatment area - Group 1; self-control area - Group 2) and an external control group (Group 3). The primary outcomes were the volume absorption rate (VAR) and the area absorption rate (AAR) of lung inflammation in CT images. RESULTS After an average duration of treatment 7.2 days, there were significant differences in AAR and VAR between Group 1 and Group 2 (AAR 0.25 vs 0.12, p=0.013; VAR 0.35 vs 0.11, p=0.005), and between Group 1 and Group 3 (AAR 0.25 vs 0.11, p=0.047; VAR 0.35 vs 0.19, p=0.042). Neither AAR nor VAR was statistically different between Group 2 and Group 3. After treatment, C-reactive protein, interleukin-6, leukocyte, and fingertip arterial oxygen saturation (SaO2) improved in Group 1, while in Group 3 only fingertip SaO2 increased. CONCLUSION LIPUS therapy reduced lung inflammation and serum inflammatory factor levels in hospitalized COVID-19 patients, which might be a major advancement in COVID-19 pneumonia therapy.
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Affiliation(s)
- Wen Li
- Department of Ultrasound, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiao Li
- Department of Ultrasound, Institute of Ultrasound in Medicine and Engineering, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Zhibin Kong
- Respiratory Medicine, Shanghai Sixth People’s Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Bin Chen
- Cardiovascular Medicine, Shanghai Sixth People’s Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hongsheng Zhou
- Shanghai Acoustics Jiao Tong University, Shanghai, China
| | - Yimin Jiang
- Department of Ultrasound, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Weimei Li
- Department of Ultrasound, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lichang Zhong
- Department of Ultrasound, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xinyu Zhang
- Department of Ultrasound, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Kaihua Zhang
- Department of Radiology, Shanghai Sixth People’s Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lili Zhang
- Cardiovascular Medicine, Shanghai Sixth People’s Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiangyun Zong
- Breast Surgery, Shanghai Sixth People’s Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Wenkun Bai
- Department of Ultrasound, Tong Ji Hospital Affiliated to Tong Ji University, Shanghai, China
| | - Yuanyi Zheng
- Department of Ultrasound, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Yang Y, Gao ZF, Hou GG, Meng QG, Hou Y. Discovery of anti-neuroinflammatory agents from 1,4,5,6-tetrahydrobenzo[2,3]oxepino[4,5-d]pyrimidin-2-amine derivatives by regulating microglia polarization. Eur J Med Chem 2023; 259:115688. [PMID: 37544188 DOI: 10.1016/j.ejmech.2023.115688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 07/17/2023] [Accepted: 07/26/2023] [Indexed: 08/08/2023]
Abstract
Neuroinflammation mediated by microglia activation leads to various neurodegenerative and neurological disorders. In order to develop more and better options for this disorders, a series of 3,4-dihydrobenzo[b]oxepin-5(2H)-one derivatives (BZPs, 6-19) and novel 1,4,5,6-tetrahydrobenzo[2,3]oxepino[4,5-d]pyrimidin-2-amine derivatives (BPMs, 20-33) were synthesized and screened the anti-neuroinflamamtion effects. 3,5-bis-trifluoromethylphenyl-substituted BPM 29 showed more potent anti-neuroinflammatory activity and no toxicity to BV2 microglia cells in vitro. 29 significantly reduced the number of M1 phenotype of microglia cells, but significantly increased the number of M2 phenotype of microglia cells in lipopolysaccharide (LPS)-induced BV2 microglia cells. 29 significantly reduced the secretion of inflammatory cytokines (IL-18, IL-1β, TNF-α), but increased the secretion of anti-inflammatory cytokines (IL-10) from LPS-induced BV2 microglia cells. Also, 29 inhibited the NOD-like receptor NLRP3 inflammasome formation, and down-regulated the expression of M2 isoform of pyruvate kinase in LPS-induced BV2 microglia cells. In vivo, 29 reduced the neuroinflammation in cuprizone-induced inflammatory and demyelinating mice by reducing the expression of inducible nitric-oxide synthase, but increased the expression of CD206. Taken together, 29 might be a prospective anti-neuroinflammatory compound for neuroinflammatory and demyelinating disease by alleviating microglia activation.
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Affiliation(s)
- Yang Yang
- School of Basic Medical Sciences, Binzhou Medical University, Yantai, 264003, PR China
| | - Zhong-Fei Gao
- School of Pharmacy, The Key Laboratory of Prescription Effect and Clinical Evaluation of State Administration of Traditional Chinese Medicine of China, Binzhou Medical University, Yantai, 264003, PR China
| | - Gui-Ge Hou
- School of Pharmacy, The Key Laboratory of Prescription Effect and Clinical Evaluation of State Administration of Traditional Chinese Medicine of China, Binzhou Medical University, Yantai, 264003, PR China.
| | - Qing-Guo Meng
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai, 264005, People's Republic of China.
| | - Yun Hou
- School of Basic Medical Sciences, Binzhou Medical University, Yantai, 264003, PR China.
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27
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Luo L, Cao H, Zhou L, Zhang G, Wu L. Anti-resorption role of low-intensity pulsed ultrasound (LIPUS) during large-scale bone reconstruction using porous titanium alloy scaffolds through inhibiting osteoclast differentiation. BIOMATERIALS ADVANCES 2023; 154:213634. [PMID: 37783002 DOI: 10.1016/j.bioadv.2023.213634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 08/31/2023] [Accepted: 09/18/2023] [Indexed: 10/04/2023]
Abstract
BACKGROUND Ti6Al4V biomaterials combine with low-intensity pulsed ultrasound (LIPUS) has been reported with great bone regeneration capacity. It is important to better understand how LIPUS benefits bone microenvironment to seek for target of therapeutic medicine. Osteoclast differentiation plays a crucial role in bone resorption. Recent advances in molecular biology have revealed that N6-methyladenosine (m6A) RNA modifications can modulate biological processes, but their role in bone biology, particularly in osteoclast differentiation, remains unclear. We aim to understand how LIPUS regulates bone microenvironment especially osteoclast formation during bone regeneration to provide new therapeutic options for preventing and delaying bone resorption, thus with better bone regeneration efficiency. RESULTS 1. LIPUS promoted bone ingrowth and bone maturity while inhibiting osteoclast formation within Ti6Al4V scaffolds in large-scale bone defect model. 2. LIPUS was found to inhibit osteoclast differentiation by decreasing the overall expression of osteoclast markers in vitro. 3. LIPUS decreases RNA m6A-modification level through upregulating FTO expression during osteoclast differentiation during. 4. Inhibiting FTO expression and function leads to less inhibition during osteoclast differentiation. CONCLUSION LIPUS suppresses osteoclast differentiation during bone regeneration through reducing m6A modification of osteoclastic RNAs by up regulating FTO expression.
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Affiliation(s)
- Lin Luo
- School and Hospital of Stomatology, China Medical University, Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang 110001, China
| | - Hongjuan Cao
- School and Hospital of Stomatology, China Medical University, Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang 110001, China
| | - Liang Zhou
- School and Hospital of Stomatology, China Medical University, Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang 110001, China
| | - Guangdao Zhang
- School and Hospital of Stomatology, China Medical University, Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang 110001, China.
| | - Lin Wu
- School and Hospital of Stomatology, China Medical University, Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang 110001, China.
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28
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Chen Y, Zhang Y, Ge Y, Ren H. Integrated single-cell and bulk RNA sequencing analysis identified pyroptosis-related signature for diagnosis and prognosis in osteoarthritis. Sci Rep 2023; 13:17757. [PMID: 37853066 PMCID: PMC10584952 DOI: 10.1038/s41598-023-44724-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Accepted: 10/11/2023] [Indexed: 10/20/2023] Open
Abstract
Osteoarthritis (OA), a degenerative disease of the joints, has one of the highest disability rates worldwide. This study investigates the role of pyroptosis-related genes in osteoarthritis and their expression in different chondrocyte subtypes at the individual cell level. Using OA-related datasets for single-cell RNA sequencing and RNA-seq, the study identified PRDEGs and DEGs and conducted Cox regression analysis to identify independent prognostic factors for OA. CASP6, NOD1, and PYCARD were found to be prognostic factors. Combined Weighted Gene Correlation Network Analysis with PPI network, a total of 15 hub genes related to pyroptosis were involved in the notch and oxidative phosphorylation pathways, which could serve as biomarkers for the diagnosis and prognosis of OA patients. The study also explored the heterogeneity of chondrocytes between OA and normal samples, identifying 19 single-cell subpopulation marker genes that were significantly different among 7 chondrocyte cell clusters. AGT, CTSD, CYBC, and THYS1 were expressed differentially among different cell subpopulations, which were associated with cartilage development and metabolism. These findings provide valuable insights into the molecular mechanisms underlying OA and could facilitate the development of new therapeutic strategies for this debilitating disease.
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Affiliation(s)
- Yanzhong Chen
- School of Sport Science, Beijing Sport University, Beijing, 100084, China
- Key Laboratory of Physical Fitness and Exercise, Ministry of Education, Beijing Sport University, Beijing, 10084, China
| | - Yaonan Zhang
- School of Sport Science, Beijing Sport University, Beijing, 100084, China
- Key Laboratory of Physical Fitness and Exercise, Ministry of Education, Beijing Sport University, Beijing, 10084, China
- Department of Orthopedics, Beijing Hospital, Beijing, 10000, China
| | - Yongwei Ge
- School of Sport Science, Beijing Sport University, Beijing, 100084, China
- Key Laboratory of Physical Fitness and Exercise, Ministry of Education, Beijing Sport University, Beijing, 10084, China
| | - Hong Ren
- School of Sport Science, Beijing Sport University, Beijing, 100084, China.
- Key Laboratory of Physical Fitness and Exercise, Ministry of Education, Beijing Sport University, Beijing, 10084, China.
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29
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Zhang D, Duan S, He Z, Zhu Z, Li Z, Yi Q, Cai T, Li J, Chen N, Guo S. Sijunzi Decoction Targets IL1B and TNF to Reduce Neutrophil Extracellular Traps (NETs) in Ulcerative Colitis: Evidence from Silicon Prediction and Experiment Validation. Drug Des Devel Ther 2023; 17:3103-3128. [PMID: 37868820 PMCID: PMC10590142 DOI: 10.2147/dddt.s428814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 10/07/2023] [Indexed: 10/24/2023] Open
Abstract
Purpose This study was conducted to explore the mechanism of Sijunzi Decoction (SJZ) in the treatment of ulcerative colitis (UC). Methods The study aimed to investigate the active components and targets of SJZ in the treatment of UC by screening databases such as TCMSP, GeneCards, OMIM, Distinct, TTD, and Drugbank. An online Venn tool, Cytoscape 3.7.2, and Autodock Tools were used to analyze the components and targets. The study also used a mouse model of UC to further investigate the effects of SJZ. HE staining, immunofluorescence, ELISA, qPCR, and Western blot were used to detect various indices. Results Eighty-three active components and 112 action targets were identified from SJZ, including 67 targets for treating UC-related NETs. The five core targets identified were AKT1, JUN, IL1B, PTGS2, and TNF, and molecular docking studies indicated that the five targets were well-docked with ginsenoside Rh2, isoflavones, and formononetin. Animal experiments demonstrated that SJZ could alleviate various parameters such as weight, colon length, spleen index, disease activity index, and intestinal pathology of the UC mice. Immunofluorescence and Western blot showed that SJZ could reduce the expression of IL1B and TNF in intestinal neutrophils while increasing the expression of Occludin. Cellular immunofluorescence suggests that SJZ can reduce the expression of TNF and IL1B in NETs. The qPCR results also suggested that SJZ could inhibit TNF signal. Furthermore, ELISA results suggested that SJZ could inhibit the expression of pro-inflammatory cytokines (TNF-α, IL-1β, IL-6) while promoting the expression of anti-inflammatory cytokines (IL-10, IL-37, TGF-β). Conclusion SJZ treats UC by reducing the content of intestinal NETs, with primary targets on the NETs being IL1B and TNFand suppress TNF signal. The practical components of SJZ may be ginsenoside Rh2, isoflavones, and formononetin.
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Affiliation(s)
- Dong Zhang
- Gastrointestinal Ward, The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, Shenzhen, People’s Republic of China
- Gastrointestinal Ward, Shenzhen Hospital of Traditional Chinese Medicine, Shenzhen, People’s Republic of China
| | - Siwei Duan
- Institute of Gastroenterology, Science and Technology Innovation Center of Guangzhou University of Chinese Medicine, Guangzhou, People’s Republic of China
| | - Zhangyou He
- Institute of Gastroenterology, Guangzhou University of Chinese Medicine, Guangzhou, People’s Republic of China
| | - Zeming Zhu
- Institute of Gastroenterology, Science and Technology Innovation Center of Guangzhou University of Chinese Medicine, Guangzhou, People’s Republic of China
| | - Zhiping Li
- Institute of Gastroenterology, Science and Technology Innovation Center of Guangzhou University of Chinese Medicine, Guangzhou, People’s Republic of China
| | - Qincheng Yi
- Institute of Gastroenterology, Guangzhou University of Chinese Medicine, Guangzhou, People’s Republic of China
| | - Tiantian Cai
- Gastrointestinal Ward, The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, Shenzhen, People’s Republic of China
- Gastrointestinal Ward, Shenzhen Hospital of Traditional Chinese Medicine, Shenzhen, People’s Republic of China
| | - Juanjuan Li
- Gastrointestinal Ward, The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, Shenzhen, People’s Republic of China
- Gastrointestinal Ward, Shenzhen Hospital of Traditional Chinese Medicine, Shenzhen, People’s Republic of China
| | - Nan Chen
- Gastrointestinal Ward, The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, Shenzhen, People’s Republic of China
- Gastrointestinal Ward, Shenzhen Hospital of Traditional Chinese Medicine, Shenzhen, People’s Republic of China
| | - Shaoju Guo
- Gastrointestinal Ward, The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, Shenzhen, People’s Republic of China
- Gastrointestinal Ward, Shenzhen Hospital of Traditional Chinese Medicine, Shenzhen, People’s Republic of China
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30
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Cao Q, Liu L, Hu Y, Cao S, Tan T, Huang X, Deng Q, Chen J, Guo R, Zhou Q. Low-intensity pulsed ultrasound of different intensities differently affects myocardial ischemia/reperfusion injury by modulating cardiac oxidative stress and inflammatory reaction. Front Immunol 2023; 14:1248056. [PMID: 37744362 PMCID: PMC10513435 DOI: 10.3389/fimmu.2023.1248056] [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: 06/26/2023] [Accepted: 08/23/2023] [Indexed: 09/26/2023] Open
Abstract
Introduction The prevalence of ischemic heart disease has reached pandemic levels worldwide. Early revascularization is currently the most effective therapy for ischemic heart diseases but paradoxically induces myocardial ischemia/reperfusion (MI/R) injury. Cardiac inflammatory reaction and oxidative stress are primarily involved in the pathology of MI/R injury. Low-intensity pulsed ultrasound (LIPUS) has been demonstrated to reduce cell injury by protecting against inflammatory reaction and oxidative stress in many diseases, including cardiovascular diseases, but rarely on MI/R injury. Methods This study was designed to clarify whether LIPUS alleviates MI/R injury by alleviating inflammatory reaction and oxidative stress. Simultaneously, we have also tried to confirm which intensity of the LIPUS might be more suitable to ameliorate the MI/R injury, as well as to clarify the signaling mechanisms. MI/R and simulated ischemia/reperfusion (SI/R) were respectively induced in Sprague Dawley rats and human pluripotent stem cell-derived cardiomyocytes (hPSC-CMs). LIPUS treatment, biochemical measurements, cell death assay, estimation of cardiac oxidative stress and inflammatory reaction, and protein detections by western blotting were performed according to the protocol. Results In our study, both in vivo and in vitro, LIPUS of 0.1 W/cm2 (LIPUS0.1) and 0.5 W/cm2 (LIPUS0.5) make no significant difference in the cardiomyocytes under normoxic condition. Under the hypoxic condition, MI/R injury, inflammatory reaction, and oxidative stress were partially ameliorated by LIPUS0.5 but were significantly aggravated by LIPUS of 2.5 W/cm2 (LIPUS2.5) both in vivo and in vitro. The activation of the apoptosis signal-regulating kinase 1 (ASK1)/c-Jun N-terminal kinase (JNK) pathway in cardiomyocytes with MI/R injury was partly rectified LIPUS0.5 both in vivo and in vitro. Conclusion Our study firstly demonstrated that LIPUS of different intensities differently affects MI/R injury by regulating cardiac inflammatory reaction and oxidative stress. Modulations on the ASK1/JNK pathway are the signaling mechanism by which LIPUS0.5 exerts cardioprotective effects. LIPUS0.5 is promising for clinical translation in protecting against MI/R injury. This will be great welfare for patients suffering from MI/R injury.
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Affiliation(s)
- Quan Cao
- Department of Nephrology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Echo Lab, Department of Ultrasound Imaging, Renmin Hospital of Wuhan University, Wuhan, China
| | - Lian Liu
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yugang Hu
- Echo Lab, Department of Ultrasound Imaging, Renmin Hospital of Wuhan University, Wuhan, China
| | - Sheng Cao
- Echo Lab, Department of Ultrasound Imaging, Renmin Hospital of Wuhan University, Wuhan, China
| | - Tuantuan Tan
- Echo Lab, Department of Ultrasound Imaging, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xin Huang
- Echo Lab, Department of Ultrasound Imaging, Renmin Hospital of Wuhan University, Wuhan, China
| | - Qing Deng
- Echo Lab, Department of Ultrasound Imaging, Renmin Hospital of Wuhan University, Wuhan, China
| | - Jinling Chen
- Echo Lab, Department of Ultrasound Imaging, Renmin Hospital of Wuhan University, Wuhan, China
| | - Ruiqiang Guo
- Echo Lab, Department of Ultrasound Imaging, Renmin Hospital of Wuhan University, Wuhan, China
| | - Qing Zhou
- Echo Lab, Department of Ultrasound Imaging, Renmin Hospital of Wuhan University, Wuhan, China
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Zheng X, Qiu J, Gao N, Jiang T, Li Z, Zhang W, Gong Y, Hong Z, Hong H. Paroxetine Attenuates Chondrocyte Pyroptosis and Inhibits Osteoclast Formation by Inhibiting NF-κB Pathway Activation to Delay Osteoarthritis Progression. Drug Des Devel Ther 2023; 17:2383-2399. [PMID: 37605762 PMCID: PMC10440089 DOI: 10.2147/dddt.s417598] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Accepted: 08/06/2023] [Indexed: 08/23/2023] Open
Abstract
Background Osteoarthritis (OA), a common chronic joint disease, is characterized by cartilage degeneration and subchondral bone reconstruction. NF-κB signaling pathway-activated inflammation and NLRP3-induced pyroptosis play essential roles in the development of OA. In this study, we examine whether paroxetine can inhibit pyroptosis and reduce osteoclast formation, thereby delaying the destruction of knee joints. Methods We employed high-density cultures, along with quantitative polymerase chain reactions and Western blotting techniques, to investigate the effects of paroxetine on extracellular matrix synthesis and degradation. The expression levels of NF-κB and pyroptosis-related signaling pathway proteins were examined by Western blotting and immunofluorescence. Furthermore, the impact of paroxetine on RANKL-induced osteoclast formation was evaluated through TRAP staining and F-actin ring fluorescence detection. To investigate the role of paroxetine in vivo, we constructed a mouse model with destabilization of the medial meniscus (DMM) surgery. Safranin O-Fast Green staining, Hematoxylin-Eosin staining, and immunohistochemistry were conducted to observe the extent of knee joint cartilage deformation. In addition, TRAP staining was used to observe the formation of osteoclasts in the subchondral bone. Results In the in vitro experiments with ATDC5, paroxetine treatment attenuated IL-1β-induced activation of the pyroptosis-related pathway and suppressed extracellular matrix catabolism by inhibiting the NF-kB signaling pathway. In addition, paroxetine treatment decreased the expression of RANKL-induced osteoclast marker genes and reduced osteoclast formation. In animal experiments conducted in vivo, mice treated with paroxetine exhibited thicker knee cartilage with a smoother surface compared to the DMM group. Additionally, the formation of osteoclasts in the subchondral bone was reduced in the paroxetine-treated mice. Further analysis revealed that paroxetine treatment played a role in preserving the balance of the extracellular matrix and delaying knee joint degeneration. Conclusion Paroxetine can inhibit pyroptosis and reduce osteoclast formation via inhibiting the NF-κB signaling pathway, suggesting that it may have therapeutic effects in patients with OA.
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Affiliation(s)
- Xiaohang Zheng
- Orthopedic Department, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, People’s Republic of China
- Enze Medical Research Center, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, People’s Republic of China
| | - Jianxin Qiu
- Orthopedic Department, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, People’s Republic of China
- Enze Medical Research Center, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, People’s Republic of China
| | - Ning Gao
- Department of Cardiovascular Surgery, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, People’s Republic of China
| | - Ting Jiang
- Orthopedic Department, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, People’s Republic of China
- Enze Medical Research Center, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, People’s Republic of China
| | - Ze Li
- Orthopedic Department, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, People’s Republic of China
- Enze Medical Research Center, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, People’s Republic of China
| | - Weikang Zhang
- Orthopedic Department, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, People’s Republic of China
- Enze Medical Research Center, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, People’s Republic of China
| | - Yuhang Gong
- Orthopedic Department, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, People’s Republic of China
- Enze Medical Research Center, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, People’s Republic of China
| | - Zhenghua Hong
- Orthopedic Department, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, People’s Republic of China
- Enze Medical Research Center, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, People’s Republic of China
| | - Huaxing Hong
- Orthopedic Department, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, People’s Republic of China
- Enze Medical Research Center, Taizhou Hospital Affiliated to Wenzhou Medical University, Linhai, People’s Republic of China
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Liu X, Zou D, Hu Y, He Y, Lu J. Research Progress of Low-Intensity Pulsed Ultrasound in the Repair of Peripheral Nerve Injury. TISSUE ENGINEERING. PART B, REVIEWS 2023; 29:414-428. [PMID: 36785967 DOI: 10.1089/ten.teb.2022.0194] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
Abstract
Peripheral nerve injury (PNI) is a common disease that has profound impact on the health of patients, but has poor prognosis. The gold standard for the treatment of peripheral nerve defects is autologous nerve grafting; notwithstanding, due to the extremely high requirement for surgeons and medical facilities, there is great interest in developing better treatment strategies for PNI. Low-intensity pulsed ultrasound (LIPUS) is a noninterventional stimulation method characterized by low-intensity pulsed waves. It has good therapeutic effect on fractures, inflammation, soft tissue regeneration, and nerve regulation, and can participate in PNI repair from multiple perspectives. This review concentrates on the effects and mechanisms of LIPUS in the repair of PNI from the perspective of LIPUS stimulation of neural cells and stem cells, modulation of neurotrophic factors, signaling pathways, proinflammatory cytokines, and nerve-related molecules. In addition, the effects of LIPUS on nerve conduits are reviewed, as nerve conduits are expected to be a successful alternative treatment for PNI with the development of tissue engineering. Overall, the application advantages and prospects of LIPUS in the repair of PNI are highlighted by summarizing the effects of LIPUS on seed cells, neurotrophic factors, and nerve conduits for neural tissue engineering.
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Affiliation(s)
- Xuling Liu
- Department of Stomatology, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China
| | - Derong Zou
- Department of Stomatology, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China
| | - Yinghan Hu
- Department of Stomatology, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China
| | - Yushi He
- Shanghai Electrochemical Energy Devices Research Center, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, People's Republic of China
| | - Jiayu Lu
- Department of Stomatology, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China
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Zhang Z, Xie S, Qian J, Gao F, Jin W, Wang L, Yan L, Chen H, Yao W, Li M, Wang X, Zhu L. Targeting macrophagic PIM-1 alleviates osteoarthritis by inhibiting NLRP3 inflammasome activation via suppressing mitochondrial ROS/Cl - efflux signaling pathway. J Transl Med 2023; 21:452. [PMID: 37422640 PMCID: PMC10329339 DOI: 10.1186/s12967-023-04313-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 06/28/2023] [Indexed: 07/10/2023] Open
Abstract
BACKGROUND Osteoarthritis (OA), in which macrophage-driven synovitis is considered closely related to cartilage destruction and could occur at any stage, is an inflammatory arthritis. However, there are no effective targets to cure the progression of OA. The NOD-, LRR-,and pyrin domain-containing protein 3 (NLRP3) inflammasome in synovial macrophages participates in the pathological inflammatory process and treatment strategies targeting it are considered to be an effective approach for OA. PIM-1 kinase, as a downstream effector of many cytokine signaling pathways, plays a pro-inflammatory role in inflammatory disease. METHODS In this study, we evaluated the expression of the PIM-1 and the infiltration of synovial macrophages in the human OA synovium. The effects and mechanism of PIM-1 were investigated in mice and human macrophages stimulated by lipopolysaccharide (LPS) and different agonists such as nigericin, ATP, Monosodium urate (MSU), and Aluminum salt (Alum). The protective effects on chondrocytes were assessed by a modified co-culture system induced by macrophage condition medium (CM). The therapeutic effect in vivo was confirmed by the medial meniscus (DMM)-induced OA in mice. RESULTS The expression of PIM-1 was increased in the human OA synovium which was accompanied by the infiltration of synovial macrophages. In vitro experiments, suppression of PIM-1 by SMI-4a, a specific inhibitor, rapidly inhibited the NLRP3 inflammasome activation in mice and human macrophages and gasdermin-D (GSDME)-mediated pyroptosis. Furthermore, PIM-1 inhibition specifically blocked the apoptosis-associated speck-like protein containing a CARD (ASC) oligomerization in the assembly stage. Mechanistically, PIM-1 inhibition alleviated the mitochondrial reactive oxygen species (ROS)/chloride intracellular channel proteins (CLICs)-dependent Cl- efflux signaling pathway, which eventually resulted in the blockade of the ASC oligomerization and NLRP3 inflammasome activation. Furthermore, PIM-1 suppression showed chondroprotective effects in the modified co-culture system. Finally, SMI-4a significantly suppressed the expression of PIM-1 in the synovium and reduced the synovitis scores and the Osteoarthritis Research Society International (OARSI) score in the DMM-induced OA model. CONCLUSIONS Therefore, PIM-1 represented a new class of promising targets as a treatment of OA to target these mechanisms in macrophages and widened the road to therapeutic strategies for OA.
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Affiliation(s)
- Zhen Zhang
- Department of Orthopedics Surgery, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, 31000, Zhejiang, China
| | - Shujun Xie
- Department of Translational Medicine Research Center, Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Cancer Center, Zhejiang University, 310006, Hangzhou, China
| | - Jin Qian
- Department of Orthopedics Surgery, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, 31000, Zhejiang, China
| | - Fengqiang Gao
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Wenjian Jin
- Department of Hepatobiliary Surgery, The Third Affiliated Hospital of Soochow University, Changzhou, 213000, China
| | - Lingqiao Wang
- Department of Pediatrics, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, 31000, Zhejiang, China
| | - Lili Yan
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Hao Chen
- Department of Orthopedics Surgery, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, 31000, Zhejiang, China
| | - Wangxiang Yao
- Department of Orthopedics Surgery, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, 31000, Zhejiang, China
| | - Maoqiang Li
- Department of Orthopedics Surgery, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, 31000, Zhejiang, China
| | - Xuepeng Wang
- Department of Orthopedics Surgery, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, 31000, Zhejiang, China
| | - Liulong Zhu
- Department of Orthopedics Surgery, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, 31000, Zhejiang, China.
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Li X, Li W, Sun L, Ren J, Xu Y, Zheng Y, Bai W. Efficacy of low-intensity pulsed ultrasound for the treatment of viral pneumonia: study protocol for a randomized controlled trial. Trials 2023; 24:389. [PMID: 37296443 DOI: 10.1186/s13063-023-07382-1] [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: 01/13/2023] [Accepted: 05/16/2023] [Indexed: 06/12/2023] Open
Abstract
BACKGROUND Viral pneumonia has always been a problem faced by clinicians because of its insidious onset, strong infectivity, and lack of effective drugs. Patients with advanced age or underlying diseases may experience more severe symptoms and are prone to severe ventilation dysfunction. Reducing pulmonary inflammation and improving clinical symptoms is the focus of current treatment. Low-intensity pulsed ultrasound (LIPUS) can mitigate inflammation and inhibit edema formation. We aimed to investigate the efficacy of therapeutic LIPUS in improving lung inflammation in hospitalized patients with viral pneumonia. METHODS Sixty eligible participants with clinically confirmed viral pneumonia will be assigned to either (1) intervention group (LIPUS stimulus), (2) control group (null stimulus), or (3) self-control group (LIPUS stimulated areas versus non-stimulated areas). The primary outcome will be the difference in the extent of absorption and dissipation of lung inflammation on computed tomography. Secondary outcomes include changes in lung inflammation on ultrasonography images, pulmonary function, blood gas analysis, fingertip arterial oxygen saturation, serum inflammatory factor levels, the sputum excretion volume, time to the disappearance of pulmonary rales, pneumonia status score, and course of pneumonia. Adverse events will be recorded. DISCUSSION This study is the first clinical study of the efficacy of therapeutic LIPUS in the treatment of viral pneumonia. Given that the current clinical recovery mainly depends on the body's self-limiting and conventional symptomatic treatment, LIPUS, as a new therapy method, might be a major advance in the treatment of viral pneumonia. TRIAL REGISTRATION ChiCTR2200059550 Chinese Clinical Trial Registry, May 3, 2022.
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Affiliation(s)
- Xiao Li
- Department of Ultrasound in Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai Institute of Ultrasound in Medicine, Yishan Road 600, Shanghai, 200233, China
| | - Wen Li
- Department of Ultrasound in Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai Institute of Ultrasound in Medicine, Yishan Road 600, Shanghai, 200233, China
| | - Lianjie Sun
- Department of Cardiovascular Surgery, The Affiliated Hospital of Qingdao University, Wutaishan Road 1677, Qingdao, 266555, China
| | - Junyi Ren
- Department of Ultrasound in Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai Institute of Ultrasound in Medicine, Yishan Road 600, Shanghai, 200233, China
| | - Ying Xu
- Department of Ultrasound in Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai Institute of Ultrasound in Medicine, Yishan Road 600, Shanghai, 200233, China
| | - Yuanyi Zheng
- Department of Ultrasound in Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai Institute of Ultrasound in Medicine, Yishan Road 600, Shanghai, 200233, China.
| | - Wenkun Bai
- Department of Ultrasound in Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai Institute of Ultrasound in Medicine, Yishan Road 600, Shanghai, 200233, China.
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Yang Y, Sheng J, Sheng Y, Wang J, Zhou X, Li W, Kong Y. Lapachol treats non-alcoholic fatty liver disease by modulating the M1 polarization of Kupffer cells via PKM2. Int Immunopharmacol 2023; 120:110380. [PMID: 37244116 DOI: 10.1016/j.intimp.2023.110380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 05/08/2023] [Accepted: 05/21/2023] [Indexed: 05/29/2023]
Abstract
AIM This study investigated the mechanism of action of lapachol (LAP) against non-alcoholic fatty liver disease (NAFLD). METHODS Primary Kupffer cells (KCs) of rats were used for in-vitro experiments. The proportion of M1 cells was assayed by flow cytometry, the levels of M1 inflammatory markers were determined by enzyme-linked immunosorbent assay (ELISA) combined with real-time quantitative fluorescence PCR (RT-qPCR), the expression of p-PKM2 was detected by Western-Blotting. A SD rat model of NAFLD was established with high-fat diet. Following LAP intervention, the changes in blood glucose/lipid, insulin resistance and liver function were detected, and the hepatic histopathologic changes were examined by histological staining. RESULTS The results showed that LAP could inhibit the M1 polarization of KCs, lower the levels of inflammatory cytokines, and suppress the activation of PKM2. The effect of LAP could be counteracted after using PKM2 inhibitor PKM2-IN-1 or knocking out PKM2. Small molecule docking revealed that LAP could inhibit the phosphorylation process of PKM2 by binding to ARG-246, the phosphorylation site of PKM2. In rat experiments, LAP could ameliorate the liver function and lipid metabolism of NAFLD rats, and inhibit the hepatic histopathologic changes. CONCLUSION Our study found that LAP can inhibit the phosphorylation of PKM2 by binding to PKM2-ARG-246, thereby regulating the M1 polarization of KCs and inhibiting the inflammatory response of liver tissues to treat NAFLD. LAP has potential as a novel pharmaceutical for treating NAFLD.
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Affiliation(s)
- Yi Yang
- The Second Affiliated Hospital of Jiaxing University, 314001, China
| | - Jian Sheng
- The Second Affiliated Hospital of Jiaxing University, 314001, China.
| | - Yongjia Sheng
- The Second Affiliated Hospital of Jiaxing University, 314001, China
| | - Jin Wang
- The Second Affiliated Hospital of Jiaxing University, 314001, China
| | - Xiaohong Zhou
- The Second Affiliated Hospital of Jiaxing University, 314001, China
| | - Wenyan Li
- The Second Affiliated Hospital of Jiaxing University, 314001, China
| | - Yun Kong
- The Second Affiliated Hospital of Jiaxing University, 314001, China.
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Liu Z, Li J, Bian Y, Zhang X, Cai X, Zheng Y. Low-intensity pulsed ultrasound reduces lymphedema by regulating macrophage polarization and enhancing microcirculation. Front Bioeng Biotechnol 2023; 11:1173169. [PMID: 37214283 PMCID: PMC10198614 DOI: 10.3389/fbioe.2023.1173169] [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: 02/24/2023] [Accepted: 04/25/2023] [Indexed: 05/24/2023] Open
Abstract
Background: Conventional therapies reduce lymphedema but do not cure it because they cannot modulate the pathophysiology of secondary lymphedema. Lymphedema is characterized by inflammation. We hypothesized that low-intensity pulsed ultrasound (LIPUS) treatment could reduce lymphedema by enhancing anti-inflammatory macrophage polarization and microcirculation. Methods: The rat tail secondary lymphedema model was established through the surgical ligation of lymphatic vessels. The rats were randomly divided into the normal, lymphedema, and LIPUS treatment groups. The LIPUS treatment (3 min daily) was applied 3 days after establishing the model. The total treatment period was 28 days. Swelling, fibro adipose deposition, and inflammation of the rat tail were evaluated by HE staining and Masson's staining. The photoacoustic imaging system and laser Doppler flowmetry were used to monitor microcirculation changes in rat tails after LIPUS treatment. The cell inflammation model was activated with lipopolysaccharides. Flow cytometry and fluorescence staining were used to observe the dynamic process of macrophage polarization. Results: After 28 days of treatment, compared with the lymphedema group, the tail circumference and subcutaneous tissue thickness of rats in the LIPUS group were decreased by 30%, the proportion of collagen fibers and the lymphatic vessel cross-sectional area was decreased, and tail blood flow was increased significantly. Cellular experiments revealed a decrease in CD86+ macrophages (M1) after LIPUS treatment. Conclusion: The transition of M1 macrophage and the promotion of microcirculation could be responsible for the beneficial effect of LIPUS on lymphedema.
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Affiliation(s)
- Zihao Liu
- Department of Ultrasound in Medicine, Shanghai Jiao Tong University School of Medicine Affiliated Sixth People’s Hospital, Shanghai, China
| | - Jia Li
- Department of Ultrasound in Medicine, Shanghai Jiao Tong University School of Medicine Affiliated Sixth People’s Hospital, Shanghai, China
| | - Yu Bian
- Department of Ultrasound in Medicine, Shanghai Jiao Tong University School of Medicine Affiliated Sixth People’s Hospital, Shanghai, China
| | - Xiaojie Zhang
- Department of Neurology, Shanghai Jiao Tong University School of Medicine Affiliated Sixth People’s Hospital, Shanghai, China
| | - Xiaojun Cai
- Department of Ultrasound in Medicine, Shanghai Jiao Tong University School of Medicine Affiliated Sixth People’s Hospital, Shanghai, China
| | - Yuanyi Zheng
- Department of Ultrasound in Medicine, Shanghai Jiao Tong University School of Medicine Affiliated Sixth People’s Hospital, Shanghai, China
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Ma Y, Hu J, Xue X, Gu J, Pan Y, Yang J. SENP3 deletion promotes M2 macrophage polarization and accelerates wound healing through smad6/IκB/p65 signaling pathway. Heliyon 2023; 9:e15584. [PMID: 37180935 PMCID: PMC10172869 DOI: 10.1016/j.heliyon.2023.e15584] [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: 09/14/2022] [Revised: 04/02/2023] [Accepted: 04/14/2023] [Indexed: 05/16/2023] Open
Abstract
Macrophages preferentially polarize to the anti-inflammatory M2 subtype in response to alterations in the wound microenvironment. SUMO-specific protease 3 (SENP3), a SUMO-specific protease, has been proven to regulate inflammation in macrophages by deSUMOylating substrate proteins, but its contribution to wound healing is poorly defined. Here, we report that SENP3 deletion promotes M2 macrophage polarization and accelerates wound healing in macrophage-specific SENP3 knockout mice. Notably, it affects wound healing through the suppression of inflammation and promotion of angiogenesis and collagen remodeling. Mechanistically, we identified that SENP3 knockout facilitates M2 polarization through the Smad6/IκB/p65 signaling pathway. SENP3 knockout elevated the expression of Smad6 and IκB. Moreover, Smad6 silencing enhanced the expression of p-p65 and proinflammatory cytokines while inhibiting the level of IκB. Our study revealed the essential role of SENP3 in M2 polarization and wound healing, which offers a theoretical basis for further research and a therapeutic strategy for wound healing.
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Affiliation(s)
- Yiwen Ma
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
| | - Jiateng Hu
- Department of Vascular Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
- Vascular Centre of Shanghai Jiao Tong University, Shanghai, 200011, China
| | - Xingjuan Xue
- Department of Thoracic Surgery, Fuqing City Hospital Affiliated to Fujian Medical University, Fuqing City, Fujian Province, 350399, China
| | - Jianmin Gu
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Yuyan Pan
- Department of Plastic and Reconstructive Surgery, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
- Corresponding author. Department of Plastic and Reconstructive Surgery, Zhongshan Hospital, Fudan University, 180 Fenglin Rd, Shanghai 200032, China.
| | - Jun Yang
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
- Corresponding author. Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Rd, Shanghai 200011, China.
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Wang S, Li Z, Chen Y, Gao S, Qiao J, Liu H, Song H, Ao D, Sun X. ARIH1 inhibits influenza A virus replication and facilitates RIG-I dependent immune signaling by interacting with SQSTM1/p62. Virol J 2023; 20:58. [PMID: 37005687 PMCID: PMC10066941 DOI: 10.1186/s12985-023-02022-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Accepted: 03/24/2023] [Indexed: 04/04/2023] Open
Abstract
BACKGROUND Multiple host factors are involved in modulating type I interferon expression induced by viruses; however, the mechanism is not fully elucidated. Influenza A virus infection causes severe respiratory symptoms and triggers a series of signaling cascades and host innate immune responses, including interferon production. The co-IP/MS technology was used to screen several antiviral factors in the early stage. Among these factors, ariadne-1 homolog (ARIH1) caught our attention. METHODS Western blot assay was performed to detect the level of proteins and software ImageJ was used to analyze the band intensities. Polymerase activity assay was conducted to evaluate the polymerase activity of influenza A virus. Tissue culture infective dose (TCID50) assay was performed to measure influenza A virus titers, and quantitative RT-PCR assay was applied to test the mRNA level of IFN-β, ISG56, and CXCL10. Luciferase reporter assay was used to confirm the target of ARIH1 in RIG-I signaling. Immunoprecipitation assay was performed to detect the interaction and the ubiquitination of the proteins. All data were analyzed by biostatistical methods and presented as means ± standard deviation from three independent experiments. Statistical significance was determined using two-tailed student's t test. A P value of less than 0.05 was considered statistically significant, and a P value of less than 0.01 was considered highly significant (ns, P ≥ 0.05; *, P < 0.05; and **, P < 0.01). RESULTS We found that ARIH1, a member of E3 ubiquitin ligases, enhanced cellular antiviral responses. Subsequent study showed that ARIH1 was up-regulated during influenza A virus infection. Further analysis showed that ARIH1 enhanced IFN-β and downstream gene expression by affecting the degradation of RIG-I through the SQSTM1/p62 signaling pathway. CONCLUSION This newly revealed mechanism shows that cellular response increases of ARIH1 and promotes IFN-β expression to boost host survival during viral infection.
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Affiliation(s)
- Shengyu Wang
- Key Laboratory of Infectious Disease and Biosafety, Provincial Department of Education, Guizhou, Institute of Life Sciences/ College of Preclinical Medicine, Zunyi Medical University, Zunyi, China
- Department of Microbiology, College of Preclinical Medicine, Zunyi Medical University, Zunyi, China
| | - Zhenrong Li
- Department of Microbiology, College of Preclinical Medicine, Zunyi Medical University, Zunyi, China
| | - Yaping Chen
- Department of Microbiology, College of Preclinical Medicine, Zunyi Medical University, Zunyi, China
| | - Sanli Gao
- Key Laboratory of Infectious Disease and Biosafety, Provincial Department of Education, Guizhou, Institute of Life Sciences/ College of Preclinical Medicine, Zunyi Medical University, Zunyi, China
- Department of Microbiology, College of Preclinical Medicine, Zunyi Medical University, Zunyi, China
| | - Junhua Qiao
- Department of Microbiology, College of Preclinical Medicine, Zunyi Medical University, Zunyi, China
| | - Haoru Liu
- Department of Microbiology, College of Preclinical Medicine, Zunyi Medical University, Zunyi, China
| | - Hong Song
- Department of Microbiology, College of Preclinical Medicine, Zunyi Medical University, Zunyi, China
| | - Dishu Ao
- Department of Microbiology, College of Preclinical Medicine, Zunyi Medical University, Zunyi, China
| | - Xin Sun
- Key Laboratory of Infectious Disease and Biosafety, Provincial Department of Education, Guizhou, Institute of Life Sciences/ College of Preclinical Medicine, Zunyi Medical University, Zunyi, China.
- Department of Microbiology, College of Preclinical Medicine, Zunyi Medical University, Zunyi, China.
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Iacoponi F, Cafarelli A, Fontana F, Pratellesi T, Dumont E, Barravecchia I, Angeloni D, Ricotti L. Optimal low-intensity pulsed ultrasound stimulation for promoting anti-inflammatory effects in macrophages. APL Bioeng 2023; 7:016114. [PMID: 36968453 PMCID: PMC10036142 DOI: 10.1063/5.0137881] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 02/24/2023] [Indexed: 03/24/2023] Open
Abstract
In this paper, we stimulated M1-like macrophages (obtained from U937 cells) with low-intensity pulsed ultrasound (LIPUS) to lower pro-inflammatory cytokine production. A systematic screening of different frequencies, intensities, duty cycles, and exposure times was performed. The optimal stimulation conditions leading to a marked decrease in the release of inflammatory cytokines were determined to be 38 kHz, 250 mW/cm2, 20%, and 90 min, respectively. Using these parameters, we verified that up to 72 h LIPUS did not affect cell viability, resulting in an increase in metabolic activity and in a reduction of reactive oxygen species (ROS) production. Moreover, we found that two mechanosensitive ion channels (PIEZO1 and TRPV1) were involved in the LIPUS-mediated cytokine release modulation. We also assessed the role of the nuclear factor κB (NF-κB) signaling pathway and observed an enhancement of actin polymerization. Finally, transcriptomic data suggested that the bioeffects of LIPUS treatment occur through the modulation of p38 MAPK signaling pathway.
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Affiliation(s)
| | | | | | | | | | - Ivana Barravecchia
- Scuola Superiore Sant'Anna, Piazza Martiri della Libertà 33, 56127 Pisa, Italy
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Yu Z, Zhang Z, Zhang X, Bao J, Li H, Yu J, Shi N, Nan F, Cao L, Li C, Wang W. 4-Octyl itaconate treatment inhibits mitochondrial dysfunction and ER stress via stimulating SIRT1 expression in vitro and attenuates osteoarthritis process in murine DMM model in vivo. J Funct Foods 2023. [DOI: 10.1016/j.jff.2023.105450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023] Open
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Tang L, Kang S, Yan W, Yu Y, Li J, Wang W, Ma Z, Fan X, Sun L. Low intensity pulsed ultrasound reduces liver inflammation caused by fatigue exercise. THE JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 2023; 153:1375. [PMID: 36859127 DOI: 10.1121/10.0017355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Accepted: 02/07/2023] [Indexed: 06/18/2023]
Abstract
Low-intensity pulsed ultrasound (LIPUS) has been shown to have many benefits, such as inhibiting inflammation, stimulating cell proliferation and differentiation, promoting angiogenesis, and so on. So, can exercise fatigue induced liver inflammation be effectively relieved by LIPUS? If possible, what is the possible mechanism? This study first investigated the effect of different intensity exercise on liver inflammation. Rats were divided into three groups: normal control group, exercise fatigue group, and aerobic exercise group. The results showed that aerobic exercise increases both anti-inflammatory factors and pro-inflammatory factors, while fatigue exercise decreases anti-inflammatory factors and increases pro-inflammatory factors, leading to severe liver injury and fibrosis. Then, we investigated the therapeutic effect of LIPUS on liver inflammation caused by exercise fatigue. Starting from the 6th week, the liver was irradiated with LIPUS of 80 mW/cm2 for 20 min/d after daily exercise for 7 weeks. The results showed that LIPUS significantly decreased liver injury and fibrosis, significantly up-regulated the expression of STAT6, IL-13, and its receptors IL-13Rα1, and down regulated the expression of NF-κBp65 in exercise fatigue rats. These results indicate that LIPUS can reduce fatigue-induced liver inflammation, and the mechanism is related to the regulation of the IL-13/STAT6/NF-κBp65 pathway.
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Affiliation(s)
- Liang Tang
- Institute of Sports Biology, Shaanxi Normal University, Xi'an, 710119, China
| | - Sufang Kang
- Institute of Sports Biology, Shaanxi Normal University, Xi'an, 710119, China
| | - Wenkang Yan
- Institute of Sports Biology, Shaanxi Normal University, Xi'an, 710119, China
| | - Yanan Yu
- Institute of Sports Biology, Shaanxi Normal University, Xi'an, 710119, China
| | - Jiaxiang Li
- Institute of Sports Biology, Shaanxi Normal University, Xi'an, 710119, China
| | - Wanzhao Wang
- Institute of Sports Biology, Shaanxi Normal University, Xi'an, 710119, China
| | - Zhanke Ma
- Institute of Sports Biology, Shaanxi Normal University, Xi'an, 710119, China
| | - Xiushan Fan
- Institute of Sports Biology, Shaanxi Normal University, Xi'an, 710119, China
| | - Lijun Sun
- Institute of Sports Biology, Shaanxi Normal University, Xi'an, 710119, China
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Gong Y, Li S, Wu J, Zhang T, Fang S, Feng D, Luo X, Yuan J, Wu Y, Yan X, Zhang Y, Zhu J, Wu J, Lian J, Xiang W, Ni Z. Autophagy in the pathogenesis and therapeutic potential of post-traumatic osteoarthritis. BURNS & TRAUMA 2023; 11:tkac060. [PMID: 36733467 PMCID: PMC9887948 DOI: 10.1093/burnst/tkac060] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 11/29/2022] [Indexed: 02/04/2023]
Abstract
Autophagy, as a fundamental mechanism for cellular homeostasis, is generally involved in the occurrence and progression of various diseases. Osteoarthritis (OA) is the most common musculoskeletal disease that often leads to pain, disability and economic loss in patients. Post-traumatic OA (PTOA) is a subtype of OA, accounting for >12% of the overall burden of OA. PTOA is often caused by joint injuries including anterior cruciate ligament rupture, meniscus tear and intra-articular fracture. Although a variety of methods have been developed to treat acute joint injury, the current measures have limited success in effectively reducing the incidence and delaying the progression of PTOA. Therefore, the pathogenesis and intervention strategy of PTOA need further study. In the past decade, the roles and mechanisms of autophagy in PTOA have aroused great interest in the field. It was revealed that autophagy could maintain the homeostasis of chondrocytes, reduce joint inflammatory level, prevent chondrocyte death and matrix degradation, which accordingly improved joint symptoms and delayed the progression of PTOA. Moreover, many strategies that target PTOA have been revealed to promote autophagy. In this review, we summarize the roles and mechanisms of autophagy in PTOA and the current strategies for PTOA treatment that depend on autophagy regulation, which may be beneficial for PTOA patients in the future.
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Affiliation(s)
| | | | | | - Tongyi Zhang
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Rehabilitation Medicine, Daping Hospital, Army Medical University, Changjiang Street, Yuzhong District, Chongqing 400042, China,Department of General practice, Chinese PLA General Hospital of the Central Theater Command, Wuluo Street, Wuchang District, Wuhan 430000, China
| | - Shunzheng Fang
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Rehabilitation Medicine, Daping Hospital, Army Medical University, Changjiang Street, Yuzhong District, Chongqing 400042, China
| | - Daibo Feng
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Rehabilitation Medicine, Daping Hospital, Army Medical University, Changjiang Street, Yuzhong District, Chongqing 400042, China
| | - Xiaoqing Luo
- Department of Wound Repair and Rehabilitation Medicine, Center of Bone Metabolism and Repair, Laboratory for Prevention and Rehabilitation of Training Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Army Medical University, Changjiang Street, Yuzhong District, Chongqing 400042, China
| | - Jing Yuan
- Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences, Army Medical University, Gantaoyan Street, Shapinba District, Chongqing 400038, China
| | - Yaran Wu
- Department of Clinical Biochemistry, Faculty of Pharmacy and Laboratory Medicine, Army Medical University, Gantaoyan Street, Shapinba District, Chongqing 400038, China
| | - Xiaojing Yan
- Department of Clinical Biochemistry, Faculty of Pharmacy and Laboratory Medicine, Army Medical University, Gantaoyan Street, Shapinba District, Chongqing 400038, China
| | - Yan Zhang
- Department of Pediatrics, People's Hospital Affiliated to Chongqing Three Gorges Medical College, Guoben Street, Wanzhou district, Chongqing 404000, China
| | - Jun Zhu
- Department of Cardiology, Shanghai Hospital, Shanghai Street, Wanzhou District, Chongqing 404000, China
| | - Jiangyi Wu
- Department of Sports Medicine and Rehabilitation, Shenzhen Hospital, Peking University, Lianhua Street, Futian District, Shenzhen 518034, China
| | - Jiqin Lian
- Correspondence. Zhenghong Ni, ; Wei Xiang, ; Jiqin Lian,
| | - Wei Xiang
- Correspondence. Zhenghong Ni, ; Wei Xiang, ; Jiqin Lian,
| | - Zhenhong Ni
- Correspondence. Zhenghong Ni, ; Wei Xiang, ; Jiqin Lian,
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Zhao S, Sun Y, Wu X, Yang Y, Fan K, Hu K, Qin Y, Li K, Lin L, Chen K, Ma Y, Zhu M, Liu G, Zhang L. Sirtuin 1 activator alleviated lethal inflammatory injury via promotion of autophagic degradation of pyruvate kinase M2. Front Pharmacol 2023; 14:1092943. [PMID: 37101542 PMCID: PMC10123272 DOI: 10.3389/fphar.2023.1092943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 03/28/2023] [Indexed: 04/28/2023] Open
Abstract
Upregulation of pyruvate kinase M2 (PKM2) is critical for the orchestration of metabolism and inflammation in critical illness, while autophagic degradation is a recently revealed mechanism that counter-regulates PKM2. Accumulating evidence suggests that sirtuin 1 (SIRT1) function as a crucial regulator in autophagy. The present study investigated whether SIRT1 activator would downregulate PKM2 in lethal endotoxemia via promotion of its autophagic degradation. The results indicated that lethal dose of lipopolysaccharide (LPS) exposure decreased the level of SIRT1. Treatment with SRT2104, a SIRT1 activator, reversed LPS-induced downregulation of LC3B-II and upregulation of p62, which was associated with reduced level of PKM2. Activation of autophagy by rapamycin also resulted in reduction of PKM2. The decline of PKM2 in SRT2104-treated mice was accompanied with compromised inflammatory response, alleviated lung injury, suppressed elevation of blood urea nitrogen (BUN) and brain natriuretic peptide (BNP), and improved survival of the experimental animals. In addition, co-administration of 3-methyladenine, an autophagy inhibitor, or Bafilomycin A1, a lysosome inhibitor, abolished the suppressive effects of SRT2104 on PKM2 abundance, inflammatory response and multiple organ injury. Therefore, promotion of autophagic degradation of PKM2 might be a novel mechanism underlying the anti-inflammatory benefits of SIRT1 activator.
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Affiliation(s)
- Shuang Zhao
- Department of Pathophysiology, Basic Medical College, Chongqing Medical University, Chongqing, China
- Laboratory of Stem Cell and Tissue Engineering, Chongqing Medical University, Chongqing, China
| | - Yili Sun
- Department of Pathophysiology, Basic Medical College, Chongqing Medical University, Chongqing, China
| | - Xicheng Wu
- Department of Pathophysiology, Basic Medical College, Chongqing Medical University, Chongqing, China
| | - Yongqiang Yang
- Department of Pathophysiology, Basic Medical College, Chongqing Medical University, Chongqing, China
| | - Kerui Fan
- Laboratory of Stem Cell and Tissue Engineering, Chongqing Medical University, Chongqing, China
| | - Kai Hu
- Laboratory of Stem Cell and Tissue Engineering, Chongqing Medical University, Chongqing, China
| | - Yasha Qin
- Department of Pathophysiology, Basic Medical College, Chongqing Medical University, Chongqing, China
| | - Kexin Li
- Medical Sciences Research Center, University-Town Hospital of Chongqing Medical University, Chongqing, China
| | - Ling Lin
- Department of Pathophysiology, Basic Medical College, Chongqing Medical University, Chongqing, China
| | - Kun Chen
- Department of Pathophysiology, Basic Medical College, Chongqing Medical University, Chongqing, China
| | - Yuhua Ma
- Xinjiang Key Laboratory of Clinical Genetic Testing and Biomedical Information, Karamay, China
| | - Min Zhu
- Xinjiang Key Laboratory of Clinical Genetic Testing and Biomedical Information, Karamay, China
| | - Gang Liu
- Medical Sciences Research Center, University-Town Hospital of Chongqing Medical University, Chongqing, China
- Department of Emergency and Critical Care Medicine, University-Town Hospital of Chongqing Medical University, Chongqing, China
- *Correspondence: Gang Liu, ; Li Zhang,
| | - Li Zhang
- Department of Pathophysiology, Basic Medical College, Chongqing Medical University, Chongqing, China
- *Correspondence: Gang Liu, ; Li Zhang,
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Aimaijiang M, Liu Y, Zhang Z, Qin Q, Liu M, Abulikemu P, Liu L, Zhou Y. LIPUS as a potential strategy for periodontitis treatment: A review of the mechanisms. Front Bioeng Biotechnol 2023; 11:1018012. [PMID: 36911184 PMCID: PMC9992218 DOI: 10.3389/fbioe.2023.1018012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Accepted: 02/10/2023] [Indexed: 02/24/2023] Open
Abstract
Periodontitis is a chronic inflammatory condition triggered by oral bacteria. A sustained inflammatory state in periodontitis could eventually destroy the alveolar bone. The key objective of periodontal therapy is to terminate the inflammatory process and reconstruct the periodontal tissues. The traditional Guided tissue regeneration (GTR) procedure has unstable results due to multiple factors such as the inflammatory environment, the immune response caused by the implant, and the operator's technique. Low-intensity pulsed ultrasound (LIPUS), as acoustic energy, transmits the mechanical signals to the target tissue to provide non-invasive physical stimulation. LIPUS has positive effects in promoting bone regeneration, soft-tissue regeneration, inflammation inhibition, and neuromodulation. LIPUS can maintain and regenerate alveolar bone during an inflammatory state by suppressing the expression of inflammatory factors. LIPUS also affects the cellular behavior of periodontal ligament cells (PDLCs), thereby protecting the regenerative potential of bone tissue in an inflammatory state. However, the underlying mechanisms of the LIPUS therapy are still yet to be summarized. The goal of this review is to outline the potential cellular and molecular mechanisms of periodontitis-related LIPUS therapy, as well as to explain how LIPUS manages to transmit mechanical stimulation into the signaling pathway to achieve inflammatory control and periodontal bone regeneration.
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Affiliation(s)
- Maierhaba Aimaijiang
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Hospital of Stomatology, Jilin University, Changchun, China
| | - Yiping Liu
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Hospital of Stomatology, Jilin University, Changchun, China
| | - Zhiying Zhang
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Hospital of Stomatology, Jilin University, Changchun, China
| | - Qiuyue Qin
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Hospital of Stomatology, Jilin University, Changchun, China
| | - Manxuan Liu
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Hospital of Stomatology, Jilin University, Changchun, China
| | - Palizi Abulikemu
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Hospital of Stomatology, Jilin University, Changchun, China
| | - Lijun Liu
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Hospital of Stomatology, Jilin University, Changchun, China
| | - Yanmin Zhou
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Hospital of Stomatology, Jilin University, Changchun, China
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Qin H, Luo Z, Sun Y, He Z, Qi B, Chen Y, Wang J, Li C, Lin W, Han Z, Zhu Y. Low-intensity pulsed ultrasound promotes skeletal muscle regeneration via modulating the inflammatory immune microenvironment. Int J Biol Sci 2023; 19:1123-1145. [PMID: 36923940 PMCID: PMC10008697 DOI: 10.7150/ijbs.79685] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Accepted: 01/15/2023] [Indexed: 03/14/2023] Open
Abstract
Background: Low-intensity pulsed ultrasound (LIPUS, a form of mechanical stimulation) can promote skeletal muscle functional repair, but a lack of mechanistic understanding of its relationship and tissue regeneration limits progress in this field. We investigated the hypothesis that specific energy levels of LIPUS mediates skeletal muscle regeneration by modulating the inflammatory microenvironment. Methods: To address these gaps, LIPUS irritation was applied in vivo for 5 min at two different intensities (30mW/cm2 and 60mW/cm2) in next 7 consecutive days, and the treatment begun at 24h after air drop-induced contusion injury. In vitro experiments, LIPUS irritation was applied at three different intensities (30mW/cm2, 45mW/cm2, and 60mW/cm2) for 2 times 24h after introduction of LPS in RAW264.7. Then, we comprehensively assessed the functional and histological parameters of skeletal muscle injury in mice and the phenotype shifting in macrophages through molecular biological methods and immunofluorescence analysis both in vivo and in vitro. Results: We reported that LIPUS therapy at intensity of 60mW/cm2 exhibited the most significant differences in functional recovery of contusion-injured muscle in mice. The comprehensive functional tests and histological analysis in vivo indirectly and directly proved the effectiveness of LIPUS for muscle recovery. Through biological methods and immunofluorescence analysis both in vivo and in vitro, we found that this improvement was attributable in part to the clearance of M1 macrophages populations and the increase in M2 subtypes with the change of macrophage-mediated factors. Depletion of macrophages in vivo eliminated the therapeutic effects of LIPUS, indicating that improvement in muscle function was the result of M2-shifted macrophage polarization. Moreover, the M2-inducing effects of LIPUS were proved partially through the WNT pathway by upregulating FZD5 expression and enhancing β-catenin nuclear translocation in macrophages both in vitro and in vivo. The inhibition and augment of WNT pathway in vitro further verified our results. Conclusion: LIPUS at intensity of 60mW/cm2 could significantly promoted skeletal muscle regeneration through shifting macrophage phenotype from M1 to M2. The ability of LIPUS to direct macrophage polarization may be a beneficial target in the clinical treatment of many injuries and inflammatory diseases.
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Affiliation(s)
- Haocheng Qin
- Department of Rehabilitation Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Zhiwen Luo
- Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Yaying Sun
- Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Zhong He
- Department of Rehabilitation Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Beijie Qi
- Department of Orthopedics, Shanghai Pudong Hospital, Fudan University, Shanghai, China
| | - Yisheng Chen
- Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Junlong Wang
- Department of Radiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Ce Li
- Department of Rehabilitation Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Weiwei Lin
- Department of Neurosurgery, Second Affiliated Hospital of Zhejiang University School of Medicine, Zhejiang University, Zhejiang, China
| | - Zhihua Han
- Department of Orthopedics and Traumatology, Shanghai General Hospital Shanghai Jiaotong University, Shanghai, China
| | - Yulian Zhu
- Department of Rehabilitation Medicine, Huashan Hospital, Fudan University, Shanghai, China
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Qin H, Du L, Luo Z, He Z, Wang Q, Chen S, Zhu YL. The therapeutic effects of low-intensity pulsed ultrasound in musculoskeletal soft tissue injuries: Focusing on the molecular mechanism. Front Bioeng Biotechnol 2022; 10:1080430. [PMID: 36588943 PMCID: PMC9800839 DOI: 10.3389/fbioe.2022.1080430] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Accepted: 11/28/2022] [Indexed: 12/23/2022] Open
Abstract
Musculoskeletal soft tissue injuries are very common and usually occur during both sporting and everyday activities. The intervention of adjuvant therapies to promote tissue regeneration is of great importance to improving people's quality of life and extending their productive lives. Though many studies have focused on the positive results and effectiveness of the LIPUS on soft tissue, the molecular mechanisms standing behind LIPUS effects are much less explored and reported, especially the intracellular signaling pathways. We incorporated all research on LIPUS in soft tissue diseases since 2005 and summarized studies that uncovered the intracellular molecular mechanism. This review will also provide the latest evidence-based research progress in this field and suggest research directions for future experiments.
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Affiliation(s)
- Haocheng Qin
- Department of Rehabilitation Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Liang Du
- Department of Rehabilitation Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Zhiwen Luo
- Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Zhong He
- Department of Rehabilitation Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Qing Wang
- Department of Orthopedics, Kunshan Hospital of Chinese Medicine, Suzhou, China
| | - Shiyi Chen
- Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Yu-Lian Zhu
- Department of Rehabilitation Medicine, Huashan Hospital, Fudan University, Shanghai, China
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Zhang Q, Yao Y, Wang J, Chen Y, Ren D, Wang P. A Simple Nomogram for Predicting Osteoarthritis Severity in Patients with Knee Osteoarthritis. COMPUTATIONAL AND MATHEMATICAL METHODS IN MEDICINE 2022; 2022:3605369. [PMID: 36092788 PMCID: PMC9462991 DOI: 10.1155/2022/3605369] [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: 06/23/2022] [Revised: 08/09/2022] [Accepted: 08/20/2022] [Indexed: 11/25/2022]
Abstract
Objective To explore the influencing factors of knee osteoarthritis (KOA) severity and establish a KOA nomogram model. Methods Inpatient data collected in the Department of Joint Surgery, Chengde Medical University Affiliated Hospital from January 2020 to January 2022 were used as the training cohort. Patients with knee osteoarthritis who were admitted to the Third Hospital of Hebei Medical University from February 2022 to May 2022 were taken as the external validation group of the model. In the training group, the least absolute shrinkage and selection operator (LASSO) method was used to screen the factors of KOA severity to determine the best prediction index. Then, after combining the significant factors from the LASSO and multivariate logistic regressions, a prediction model was established. All potential prediction factors were included in the KOA severity prediction model, and the corresponding nomogram was drawn. The consistency index (C-index), area under the receiver operating characteristic (ROC) curve (AUC), GiViTi calibration band, net classification improvement (NRI) index, and integrated discrimination improvement (IDI) index evaluation of a model predicted KOA severity. Decision curve analysis (DCA) and clinical influence curves were used to study the model's potential clinical value. The validation group also used the above evaluation indexes to measure the diagnostic efficiency of the model. Spearman correlation was used to investigate the relationship between nomogram-related markers and osteoarthritis severity. Results The total sample included 572 patients with knee osteoarthritis, including 400 patients in the training cohort and 172 patients in the validation cohort. The nomogram's predictive factors were age, pulse, absolute value of lymphocytes, mean corpuscular haemoglobin concentration (MCHC), and blood urea nitrogen (BUN). The C-index and AUC of the model were 0.802. The GiViTi calibration band (P = 0.065), NRI (0.091), and IDI (0.033) showed that the modified model can distinguish between severe KOA and nonsevere KOA. DCA showed that the KOA severity nomogram has clinical application value with threshold probabilities between 0.01 and 0.78. The external verification results also show the stability and diagnosis of the model. Age, pulse, MCHC, and BUN are correlated with osteoarthritis severity. Conclusions A nomogram model for predicting KOA severity was established for the first time that can visually identify patients with severe KOA and is novel for indirectly evaluating KOA severity by nonimaging means.
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Affiliation(s)
- Qingzhu Zhang
- Orthopedic Trauma Service Center, Third Hospital of Hebei Medical University, Major Laboratory of Orthopedic Biomechanics in Hebei Province, Shijiazhuang, Hebei Province, China
- Department of Orthopedics, The Affiliated Hospital of Chengde Medical University, Chengde, Hebei Province, China
| | - Yinhui Yao
- Department of Pharmacy, The Affiliated Hospital of Chengde Medical University, Chengde, Hebei Province, China
| | - Jinzhu Wang
- Department of Orthopedics, The Affiliated Hospital of Chengde Medical University, Chengde, Hebei Province, China
| | - Yufeng Chen
- Orthopedic Trauma Service Center, Third Hospital of Hebei Medical University, Major Laboratory of Orthopedic Biomechanics in Hebei Province, Shijiazhuang, Hebei Province, China
| | - Dong Ren
- Orthopedic Trauma Service Center, Third Hospital of Hebei Medical University, Major Laboratory of Orthopedic Biomechanics in Hebei Province, Shijiazhuang, Hebei Province, China
| | - Pengcheng Wang
- Orthopedic Trauma Service Center, Third Hospital of Hebei Medical University, Major Laboratory of Orthopedic Biomechanics in Hebei Province, Shijiazhuang, Hebei Province, China
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Bao C, Zhu S, Song K, He C. HK2: a potential regulator of osteoarthritis via glycolytic and non-glycolytic pathways. Cell Commun Signal 2022; 20:132. [PMID: 36042519 PMCID: PMC9426234 DOI: 10.1186/s12964-022-00943-y] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Accepted: 05/20/2022] [Indexed: 01/10/2023] Open
Abstract
Osteoarthritis (OA) is an age-related chronic degenerative joint disease where the main characteristics include progressive degeneration of cartilage, varying degrees of synovitis, and periarticular osteogenesis. However, the underlying factors involved in OA pathogenesis remain elusive which has resulted in poor clinical treatment effect. Recently, glucose metabolism changes provide a new perspective on the pathogenesis of OA. Under the stimulation of external environment, the metabolic pathway of chondrocytes tends to change from oxidative phosphorylation (OXPHOS) to aerobic glycolysis. Previous studies have demonstrated that glycolysis of synovial tissue is increased in OA. The hexokinase (HK) is the first rate limiting enzyme in aerobic glycolysis, participating and catalyzing the main pathway of glucose utilization. An isoform of HKs, HK2 is considered to be a key regulator of glucose metabolism, promotes the transformation of glycolysis from OXPHOS to aerobic glycolysis. Moreover, the expression level of HK2 in OA synovial tissue (FLS) was higher than that in control group, which indicated the potential therapeutic effect of HK2 in OA. However, there is no summary to help us understand the potential therapeutic role of glucose metabolism in OA. Therefore, this review focuses on the properties of HK2 and existing research concerning HK2 and OA. We also highlight the potential role and mechanism of HK2 in OA. Video abstract
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Affiliation(s)
- Chuncha Bao
- Department of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, People's Republic of China.,Sichuan Key Laboratory of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu, People's Republic of China
| | - Siyi Zhu
- Department of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, People's Republic of China. .,Sichuan Key Laboratory of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu, People's Republic of China.
| | - Kangping Song
- Department of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, People's Republic of China.,Sichuan Key Laboratory of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu, People's Republic of China
| | - Chengqi He
- Department of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, People's Republic of China. .,Sichuan Key Laboratory of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu, People's Republic of China.
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Wang Y, Xiao Q, Zhong W, Zhang C, Yin Y, Gao X, Song J. Low-intensity pulsed ultrasound promotes periodontal regeneration in a beagle model of furcation involvement. Front Bioeng Biotechnol 2022; 10:961898. [PMID: 36091440 PMCID: PMC9458930 DOI: 10.3389/fbioe.2022.961898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Accepted: 07/21/2022] [Indexed: 11/13/2022] Open
Abstract
Objective: To evaluate the regeneration potential of periodontitis tissue treated by low-intensity pulsed ultrasound (LIPUS) combined with the guided tissue regeneration (GTR) technique in a beagle model of furcation involvement (FI).Background: Achieving predictable regeneration remains a clinical challenge for periodontitis tissue due to the compromised regenerative potential caused by chronic inflammation stimulation. LIPUS, an FDA-approved therapy for long bone fracture and non-unions, has been demonstrated effective in the in vitro attenuation of inflammation-induced dysfunction of periodontal ligament stem cells (PDLSCs), the key cells contributing to periodontal regeneration. However, the in vivo effect of LIPUS on periodontitis tissue is rarely reported.Methods: A beagle model of FI was established, and the experimental teeth were randomly assigned into three groups: control group, GTR group, and GTR+LIPUS group. Radiographic examinations were performed, and clinical periodontal parameters were recorded to reflect the periodontal condition of different groups. Histological analyses using H&E and Masson’s staining were conducted to evaluate the periodontal tissue regeneration.Results: LIPUS could enhance new periodontal bone formation and bone matrix maturity in FI after GTR treatment. Moreover, clinical assessment and histomorphometric analyses revealed less inflammatory infiltration and superior vascularization within bone grafts in the LIPUS treatment group, indicating the anti-inflammatory and pro-angiogenic effects of LIPUS in FI.Conclusion: Our investigation on a large animal model demonstrated that LIPUS is a promising adjunctive approach for the regeneration of periodontitis tissue, paving a new avenue for LIPUS application in the field of periodontal regenerative medicine.
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Affiliation(s)
- Yue Wang
- College of Stomatology, Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, China
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, China
| | - Qingyue Xiao
- College of Stomatology, Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, China
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, China
| | - Wenjie Zhong
- College of Stomatology, Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, China
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, China
| | - Chuangwei Zhang
- College of Stomatology, Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, China
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, China
| | - Yuanyuan Yin
- College of Stomatology, Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, China
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, China
| | - Xiang Gao
- College of Stomatology, Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, China
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, China
- *Correspondence: Xiang Gao, ; Jinlin Song,
| | - Jinlin Song
- College of Stomatology, Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, China
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, China
- *Correspondence: Xiang Gao, ; Jinlin Song,
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Liu C, Liu C, Fu R. Research progress on the role of PKM2 in the immune response. Front Immunol 2022; 13:936967. [PMID: 35967360 PMCID: PMC9365960 DOI: 10.3389/fimmu.2022.936967] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Accepted: 07/04/2022] [Indexed: 11/22/2022] Open
Abstract
Pyruvate kinase (PK) is a key enzyme that catalyzes the dephosphorylation of phosphoenolpyruvate (PEP) into pyruvate, and is responsible for the production of ATP during glycolysis. As another important isozyme of PK, pyruvate kinase M2 (PKM2) exists in cells with high levels of nucleic acid synthesis, such as normal proliferating cells (e.g., lymphocytes and intestinal epithelial cells), embryonic cells, adult stem cells, and tumor cells. With further research, PKM2, as an important regulator of cellular pathophysiological activity, has attracted increasing attention in the process of autoimmune response and inflammatory. In this re]view, we examine the contribution of PKM2 to the human immune response. Further studies on the immune mechanisms of PKM2 are expected to provide more new ideas and drug targets for immunotherapy of inflammatory and autoimmune diseases, guiding drug development and disease treatment.
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