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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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Perrucini PDDO, Oliveira RFD, Medeiros FBPD, Bertin LD, Pires-Oliveira DADA, Frederico RCP. Ultrasonic therapy modulates the expression of genes related to neovascularization and inflammation in fibroblasts. FISIOTERAPIA EM MOVIMENTO 2021. [DOI: 10.1590/fm.2021.34112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Abstract Introduction: In the rehabilitation of musculoskeletal injuries, ultrasound is widely used in clinical practice. Objective: To evaluate the effects of pulsed ultrasonic therapy on the viability and modulation of genes involved in inflammation (IL-6) and neovascularization (VEGF) processes of L929 fibroblast cells. Methods: For irradiation with ultrasound the cells were subdivided into groups: G1 (without irradiation), G2 (0.3 W/cm2-20%) and G3 (0.6 W/cm2-20%), with periods of treatment at 24, 48 and 72 hours. The cell viability assay was analyzed by the MTT method and gene modulation was analyzed by RT-qPCR method. Results: After the comparative analysis between groups, only G2 and G3 (48-hour) presented statistically significant differences in relation to the control. In relation to the gene expression, the selection of the groups analyzed was delimited according to the comparative analysis of the values obtained by the MTT test. After the achievement of RT-qPCR, it could be observed that in G2 the amount of VEGF gene transcripts increased by 1.125-fold compared to endogenous controls, and increased 1.388-fold in G3. The IL-6 gene, on the other hand, had its transcripts reduced in both G2 (5.64x10-9) and G3 (1.91x10-6). Conclusion: Pulsed ultrasound in L929 fibroblasts showed a significant biostimulatory effect in the 48-hour period, with increased cell viability, and the same effect in the modulation of gene expression related the neovascularization and inflammation, mediating the acceleration of the tissue repair cascade.
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Bagherifard A, Joneidi Yekta H, Akbari Aghdam H, Motififard M, Sanatizadeh E, Ghadiri Nejad M, Esmaeili S, Saber-Samandari S, Sheikhbahaei E, Khandan A. Improvement in osseointegration of tricalcium phosphate-zircon for orthopedic applications: an in vitro and in vivo evaluation. Med Biol Eng Comput 2020; 58:1681-1693. [DOI: 10.1007/s11517-020-02157-1] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2019] [Accepted: 03/12/2020] [Indexed: 12/01/2022]
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Anti-Inflammatory and Healing Effects of Pulsed Ultrasound Therapy on Fibroblasts. Am J Phys Med Rehabil 2019; 99:19-25. [DOI: 10.1097/phm.0000000000001265] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Wang F, Liu J, Chen X, Zheng X, Qu N, Zhang B, Xia C. IL-1β receptor antagonist (IL-1Ra) combined with autophagy inducer (TAT-Beclin1) is an effective alternative for attenuating extracellular matrix degradation in rat and human osteoarthritis chondrocytes. Arthritis Res Ther 2019; 21:171. [PMID: 31291980 PMCID: PMC6617669 DOI: 10.1186/s13075-019-1952-5] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Accepted: 06/24/2019] [Indexed: 12/21/2022] Open
Abstract
Background Autophagy induction is an effective approach for OA therapy. IL-1β is one of the major inflammatory cytokines linked to OA pathological progression, and its receptor blockade interrupts OA cartilage destruction. The objective of this study was to decipher the link between autophagy and regulatory mechanism of IL-1β and to investigate the effect of IL-1β receptor blockade by IL-1 receptor antagonist (IL-1Ra) combined with or without an autophagy inducer (TAT-Beclin1) on extracellular matrix (ECM) in OA chondrocytes in vitro and in vivo. Methods IL-1β-treated rat and human OA chondrocytes were cultured in response to IL-1Ra. The expression and distribution of signal molecules regulating ECM synthesis and autophagy were investigated via western blotting, immunoprecipitation, real-time PCR, immunofluorescence, and transmission electron microscope technique. Furthermore, after intra-articular injection of IL-1Ra, TAT-Beclin1, and a combination of both in a rat OA model established by anterior cruciate ligament transection and medial meniscus resection, the morphological changes of cartilage and related signal molecule expression levels were monitored using H.E., Safranin O-Fast green, and immunohistochemistry staining. Results Reduced autophagy by IL-1β contributed to ECM degradation, and blockade of IL-1β by IL-1Ra restored autophagy and attenuated ECM degradation in rat and human OA chondrocytes, as well as in a rat OA model. Akt/mTOR/ULK1, Akt/mTOR/NF-κB, and LC3B deacetylation were involved in autophagy regulated by IL-1β. Intra-articular injection of IL-1Ra combined with TAT-Beclin1 was more effective than IL-1Ra alone. Conclusions IL-1Ra restored autophagy and attenuated ECM degradation, with an implication that blocking IL-1β combined with enhancing autophagy might be a potential therapeutic strategy for OA. Electronic supplementary material The online version of this article (10.1186/s13075-019-1952-5) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Fen Wang
- School of Medicine, Xiamen University, Xiamen, 361102, Fujian, China
| | - Jijie Liu
- Zhongshan Hospital, Xiamen University, Xiamen, 361004, Fujian, China
| | - Xiaolei Chen
- Zhongshan Hospital, Xiamen University, Xiamen, 361004, Fujian, China
| | - Xinpeng Zheng
- Zhongshan Hospital, Xiamen University, Xiamen, 361004, Fujian, China
| | - Ning Qu
- School of Medicine, Xiamen University, Xiamen, 361102, Fujian, China
| | - Bing Zhang
- School of Medicine, Xiamen University, Xiamen, 361102, Fujian, China.
| | - Chun Xia
- Zhongshan Hospital, Xiamen University, Xiamen, 361004, Fujian, China.
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Cai H, Qu N, Chen X, Zhou Y, Zheng X, Zhang B, Xia C. The inhibition of PLCγ1 protects chondrocytes against osteoarthritis, implicating its binding to Akt. Oncotarget 2017; 9:4461-4474. [PMID: 29435116 PMCID: PMC5796987 DOI: 10.18632/oncotarget.23286] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2017] [Accepted: 11/17/2017] [Indexed: 12/16/2022] Open
Abstract
Previous studies have addressed the involvement of phosphoinositide-specifc phospholipase γ1 (PLCγ1) and protein kinase B (PKB/Akt) in osteoarthritis (OA) pathogenesis, but it is not ascertained the possibility of them to be potential targets for OA therapy. Here, through local intra-articular injection of PLCγ or Akt inhibitor in a rat OA model induced by anterior cruciate ligament transaction plus medial meniscus resection, the architecture of chondrocyte and matrix organization of articular cartilage were observed using histopathological assays and Aggrecan, Col2, PLCγ1, and Akt levels were detected using immunohistochemistry assays. By treatment of Akt or PLCγ inhibitor and transfection of different PLCγ1- or Akt-expressing vectors in rat OA model chondrocytes, Aggrecan, Col2, PLCγ1, p-PLCγ1, Akt, and p-Akt levels were detected using western blotting analysis. The binding between PLCγ1 and Akt was assessed with co-immunoprecipitation assays in human OA chondrocytes. These results showed that PLCγ inhibition protected chondrocytes against OA, but Akt inhibition did not dramatically aggravate OA progression. There were mutual antagonism and binding between PLCγ1 and Akt that could be regulated by their phosphorylation levels. Consequently, the data reveal that the inhibition of PLCγ1 may provide an attractive therapeutic target for OA therapy, implicating its binding to Akt.
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Affiliation(s)
- Heguo Cai
- Zhongshan Hospital, Xiamen University, Fujian 361004, China.,The Third Hospital of Xiamen, Fujian, China, Fujian 361000, China
| | - Ning Qu
- School of Medicine, Xiamen University, Fujian 361102, China
| | - Xiaolei Chen
- Zhongshan Hospital, Xiamen University, Fujian 361004, China
| | - Yang Zhou
- Zhongshan Hospital, Xiamen University, Fujian 361004, China
| | - Xinpeng Zheng
- Zhongshan Hospital, Xiamen University, Fujian 361004, China
| | - Bing Zhang
- School of Medicine, Xiamen University, Fujian 361102, China
| | - Chun Xia
- Zhongshan Hospital, Xiamen University, Fujian 361004, China
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Comparison of repair between cartilage and osteocartilage defects in rabbits using similarly manipulated scaffold-free cartilage-like constructs. J Orthop Sci 2014; 19:637-45. [PMID: 24789360 DOI: 10.1007/s00776-014-0574-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2013] [Accepted: 04/14/2014] [Indexed: 02/09/2023]
Abstract
BACKGROUND Articular cartilage has a limited capacity for spontaneous repair, and its repair remains a clinical challenge. The purpose of this study was to prepare scaffold-free cartilage-like constructs and evaluate the feasibility of their use for the treatment of cartilage and osteocartilage defects in vivo. METHODS The scaffold-free constructs were prepared by chondrocytes isolated from the articular cartilage of rabbits using a high-density three-dimensional culture system. Two different defects, i.e., a chondral defect without oozing blood and an osteochondral defect with oozing blood, of 4-mm diameter, were created on the patellar groove of rabbits and forwarded to in vivo trials. In each defect, the constructs cut into 4-mm-diameter cylinders were grafted at the bottom of the defects. As a control, defects were only made on the contralateral knee joint in each rabbit. At 2, 4, 8 and 12 weeks after surgery, six rabbits in each group were evaluated macroscopically and histologically. RESULTS In vitro, histological examination revealed that the constructs have the character of hyaline cartilage with a potential adhesiveness to surrounding tissue. In vivo, in two control groups, incomplete spontaneous cartilage repair was observed in the osteochondral defects, whereas no repair was observed in the chondral defects. In the two treated groups, the surviving constructs in chondral defects showed significantly better repair compared to those in osteochondral defects. CONCLUSIONS It is possible for a chondral defect to be repaired by scaffold-free constructs in certain conditions. Establishing the optimal environment suitable for cartilage repair is warranted.
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Whitney GA, Jayaraman K, Dennis JE, Mansour JM. Scaffold-free cartilage subjected to frictional shear stress demonstrates damage by cracking and surface peeling. J Tissue Eng Regen Med 2014; 11:412-424. [PMID: 24965503 DOI: 10.1002/term.1925] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2013] [Revised: 05/01/2014] [Accepted: 05/05/2014] [Indexed: 11/11/2022]
Abstract
Scaffold-free engineered cartilage is being explored as a treatment for osteoarthritis. In this study, frictional shear stress was applied to determine the friction and damage behaviour of scaffold-free engineered cartilage, and tissue composition was investigated as it related to damage. Scaffold-free engineered cartilage frictional shear stress was found to exhibit a time-varying response similar to that of native cartilage. However, damage occurred that was not seen in native cartilage, manifesting primarily as tearing through the central plane of the constructs. In engineered cartilage, cells occupied a significantly larger portion of the tissue in the central region where damage was most prominent (18 ± 3% of tissue was comprised of cells in the central region vs 5 ± 1% in the peripheral region; p < 0.0001). In native cartilage, cells comprised 1-4% of tissue for all regions. Average bulk cellularity of engineered cartilage was also greater (68 × 103 ± 4 × 103 vs 52 × 103 ± 22 × 103 cells/mg), although this difference was not significant. Bulk tissue comparisons showed significant differences between engineered and native cartilage in hydroxyproline content (8 ± 2 vs 45 ± 3 µg HYP/mg dry weight), solid content (12.5 ± 0.4% vs 17.9 ± 1.2%), shear modulus (0.06 ± 0.02 vs 0.15 ± 0.07 MPa) and aggregate modulus (0.12 ± 0.03 vs 0.32 ± 0.14 MPa), respectively. These data indicate that enhanced collagen content and more uniform extracellular matrix distribution are necessary to reduce damage susceptibility. Copyright © 2014 John Wiley & Sons, Ltd.
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Affiliation(s)
- G Adam Whitney
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, USA.,Matrix Biology Program, Benaroya Research Institute, Seattle, WA, USA
| | - Karthik Jayaraman
- Department of Mechanical and Aerospace Engineering, Case Western Reserve University, Cleveland, OH, USA
| | - James E Dennis
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, USA.,Department of Orthopaedics, Case Western Reserve University, Cleveland, OH, USA.,Matrix Biology Program, Benaroya Research Institute, Seattle, WA, USA
| | - Joseph M Mansour
- Department of Orthopaedics, Case Western Reserve University, Cleveland, OH, USA.,Department of Mechanical and Aerospace Engineering, Case Western Reserve University, Cleveland, OH, USA
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Zhao H, Zhang T, Xia C, Shi L, Wang S, Zheng X, Hu T, Zhang B. Berberine ameliorates cartilage degeneration in interleukin-1β-stimulated rat chondrocytes and in a rat model of osteoarthritis via Akt signalling. J Cell Mol Med 2013; 18:283-92. [PMID: 24286347 PMCID: PMC3930415 DOI: 10.1111/jcmm.12186] [Citation(s) in RCA: 70] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2013] [Accepted: 10/11/2013] [Indexed: 11/28/2022] Open
Abstract
Berberine, a plant alkaloid used in Chinese medicine, has broad cell-protective functions in a variety of cell lines. Chondrocyte apoptosis contributes to the pathogenesis of cartilage degeneration in osteoarthritis (OA). However, little is known about the effect and underlying mechanism of berberine on OA chondrocytes. Here, we assessed the effects of berberine on cartilage degeneration in interleukin-1β (IL-1β)-stimulated rat chondrocytes and in a rat model of OA. The results of an MTT assay and western blotting analysis showed that berberine attenuated the inhibitory effect of IL-1β on the cell viability and proliferating cell nuclear antigen expression in rat chondrocytes. Furthermore, berberine activated Akt, which triggered p70S6K/S6 pathway and up-regulated the levels of aggrecan and Col II expression in IL-1β-stimulated rat chondrocytes. In addition, berberine increased the level of proteoglycans in cartilage matrix and the thickness of articular cartilage, with the elevated levels of Col II, p-Akt and p-S6 expression in a rat OA model, as demonstrated by histopathological and immunohistochemistry techniques. The data thus strongly suggest that berberine may ameliorate cartilage degeneration from OA by promoting cell survival and matrix production of chondrocytes, which was partly attributed to the activation of Akt in IL-1β-stimulated articular chondrocytes and in a rat OA model. The resultant chondroprotective effects indicate that berberine merits consideration as a therapeutic agent in OA.
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Affiliation(s)
- Honghai Zhao
- Zhongshan Hospital, University of Xiamen, Xiamen, Fujian, China
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Whitney GA, Mera H, Weidenbecher M, Awadallah A, Mansour JM, Dennis JE. Methods for producing scaffold-free engineered cartilage sheets from auricular and articular chondrocyte cell sources and attachment to porous tantalum. Biores Open Access 2013; 1:157-65. [PMID: 23514898 PMCID: PMC3559237 DOI: 10.1089/biores.2012.0231] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Scaffold-free cartilage engineering techniques may provide a simple alternative to traditional methods employing scaffolds. We previously reported auricular chondrocyte-derived constructs for use in an engineered trachea model; however, the construct generation methods were not reported in detail. In this study, methods for cartilage construct generation from auricular and articular cell sources are described in detail, and the resulting constructs are compared for use in a joint resurfacing model. Attachment of cartilage sheets to porous tantalum is also investigated as a potential vehicle for future attachment to subchondral bone. Large scaffold-free cartilage constructs were produced from culture-expanded chondrocytes from skeletally mature rabbits, and redifferentiated in a chemically-defined culture medium. Auricular constructs contained more glycosaminoglycan (39.6±12.7 vs. 9.7±1.9 μg/mg wet weight, mean and standard deviation) and collagen (2.7±0.45 vs. 1.1±0.2 μg/mg wet weight, mean and standard deviation) than articular constructs. Aggregate modulus was also higher for auricular constructs vs. articular constructs (0.23±0.07 vs. 0.12±0.03 MPa, mean and standard deviation). Attachment of constructs to porous tantalum was achieved by neocartilage ingrowth into tantalum pores. These results demonstrate that large scaffold-free neocartilage constructs can be produced from mature culture-expanded chondrocytes in a chemically-defined medium, and that these constructs can be attached to porous tantalum.
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Affiliation(s)
- G Adam Whitney
- Department of Biomedical Engineering, Case Western Reserve University , Cleveland, Ohio. ; Department of Orthopaedics, Case Western Reserve University , Cleveland, Ohio. ; Hope Heart Matrix Biology Program, Benaroya Research Institute , Seattle, Washington
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Zheng X, Xia C, Chen Z, Huang J, Gao F, Li G, Zhang B. Requirement of the phosphatidylinositol 3-kinase/Akt signaling pathway for the effect of nicotine on interleukin-1beta-induced chondrocyte apoptosis in a rat model of osteoarthritis. Biochem Biophys Res Commun 2012; 423:606-12. [PMID: 22713471 DOI: 10.1016/j.bbrc.2012.06.045] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2012] [Accepted: 06/10/2012] [Indexed: 11/19/2022]
Abstract
Chondrocyte apoptosis is mainly responsible for the progressive degeneration of cartilage in osteoarthritis (OA). Interleukin-1beta (IL-1β) was widely used as a modulating and chondrocyte apoptosis-inducing agent. Nicotine is able to confer resistance to apoptosis and promote cell survival in some cell lines, but its regulatory mechanism is ambiguous. We aimed to investigate the effect of nicotine on IL-1β-induced chondrocyte apoptosis and the mechanism underlying how nicotine antagonizes IL-1β-induced apoptosis of rat chondrocytes. Chondrocytes isolated from newborn rat joints were exposed to IL-1β. The cell viability was analyzed by the MTT (3-(4,5-dimethylthiazol-2yl)-2,5-diphenyl tetrazolium bromide) assay, and the apoptotic cells were counted with DAPI staining. The levels of Akt, phosphorylated-Akt (p-Akt) and downstream protein targets of Akt were detected by western blotting. The results showed that nicotine neutralized the effect of IL-1β on chondrocytes by activating PI3K/Akt signaling pathways, including the PI3K/Akt/Bcl-2 pathway, to block IL-1β-induced cell apoptosis and the PI3K/Akt/p70S6K (p70S6 kinase)/S6 pathway for promoting protein synthesis, modulating its downstream effectors such as TIMP-1 and MMP-13. Activation of the PI3K/Akt pathway is, in part, required for the effect of nicotine on IL-1β-induced chondrocyte apoptosis in a rat model of osteoarthritis.
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Affiliation(s)
- Xinpeng Zheng
- Zhongshan Hospital, School of Medicine, University of Xiamen, Xiamen, Fujian, China
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