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Li S, Huo C, Liu A, Zhu Y. Mitochondria: a breakthrough in combating rheumatoid arthritis. Front Med (Lausanne) 2024; 11:1439182. [PMID: 39161412 PMCID: PMC11330793 DOI: 10.3389/fmed.2024.1439182] [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: 05/27/2024] [Accepted: 07/26/2024] [Indexed: 08/21/2024] Open
Abstract
As a chronic autoimmune disease with complex aetiology, rheumatoid arthritis (RA) has been demonstrated to be associated with mitochondrial dysfunction since mitochondrial dysfunction can affect the survival, activation, and differentiation of immune and non-immune cells involved in the pathogenesis of RA. Nevertheless, the mechanism behind mitochondrial dysfunction in RA remains uncertain. Accordingly, this review addresses the possible role and mechanisms of mitochondrial dysfunction in RA and discusses the potential and challenges of mitochondria as a potential therapeutic strategy for RA, thereby providing a breakthrough point in the prevention and treatment of RA.
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Affiliation(s)
- Shuang Li
- Graduate School of Anhui University of Chinese Medicine, Hefei, Anhui, China
| | - Chenlu Huo
- Graduate School of Anhui University of Chinese Medicine, Hefei, Anhui, China
| | - Anting Liu
- Graduate School of Anhui University of Chinese Medicine, Hefei, Anhui, China
| | - Yan Zhu
- Department of Geriatrics, The Second Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, Anhui, China
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2
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Pan B, Chen C, Zhao Y, Cai J, Fu S, Liu J. SIRT3: A Potential Target of Different Types of Osteoporosis. Cell Biochem Biophys 2024; 82:489-500. [PMID: 38512537 DOI: 10.1007/s12013-024-01254-4] [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: 02/19/2024] [Accepted: 03/13/2024] [Indexed: 03/23/2024]
Abstract
Osteoporosis (OP) is a common age-related disease. OP is mainly a decrease in bone density and mass caused by the destruction of bone microstructure, which leads to an increase in bone fragility. SIRT3 is a mitochondrial deacetylase that plays critical roles in mitochondrial homeostasis, metabolic regulation, gene transcription, stress response, and gene stability. Studies have shown that the higher expression levels of SIRT3 are associated with decreased levels of oxidative stress in the body and may play important roles in the prevention of age-related diseases. SIRTs can enhance the osteogenic potential and osteoblastic activity of bone marrow mesenchymal stromal cells not only by enhancing PGC-1α, FOXO3, SOD2, and oxidative phosphorylation, but also by anti-aging and reducing mitochondrial autophagy. SIRT3 is able to upregulate antioxidant enzymes to exert an inhibitory effect on osteoclasts, however, it has been shown that the inflammatory cascade response can in turn increase SIRT3 and inhibit osteoclast differentiation through the AMPK-PGC-1β pathway. SIRT3 plays an important role in different types of osteoporosis by affecting osteoblasts, osteoclasts, and bone marrow mesenchymal cells. In this review, we discuss the classification and physiological functions of SIRTs, the effects of SIRT3 on OCs osteoblasts, and BMSCs, and the roles and mechanisms of SIRT3 in different types of OP, such as diabetic OP, glucocorticoid-induced OP, postmenopausal OP, and senile OP.
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Affiliation(s)
- Binjing Pan
- The First Clinical Medical College, Lanzhou University, Lanzhou, Gansu, China
| | - Chongyang Chen
- The First Clinical Medical College, Lanzhou University, Lanzhou, Gansu, China
| | - Yangting Zhao
- The First Clinical Medical College, Lanzhou University, Lanzhou, Gansu, China
| | - Jing Cai
- The First Clinical Medical College, Lanzhou University, Lanzhou, Gansu, China
| | - Songbo Fu
- The First Clinical Medical College, Lanzhou University, Lanzhou, Gansu, China
- Department of Endocrinology, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Jingfang Liu
- The First Clinical Medical College, Lanzhou University, Lanzhou, Gansu, China.
- Department of Endocrinology, The First Hospital of Lanzhou University, Lanzhou, Gansu, China.
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3
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Kumar S, Acharya TK, Kumar S, Rokade TP, Das NK, Chawla S, Goswami L, Goswami C. TRPV4 Activator-Containing CMT-Hy Hydrogel Enhances Bone Tissue Regeneration In Vivo by Enhancing Mitochondrial Health. ACS Biomater Sci Eng 2024; 10:2367-2384. [PMID: 38470969 DOI: 10.1021/acsbiomaterials.3c01304] [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] [Indexed: 03/14/2024]
Abstract
Treating different types of bone defects is difficult, complicated, time-consuming, and expensive. Here, we demonstrate that transient receptor potential cation channel subfamily V member 4 (TRPV4), a mechanosensitive, thermogated, and nonselective cation channel, is endogenously present in the mesenchymal stem cells (MSCs). TRPV4 regulates both cytosolic Ca2+ levels and mitochondrial health. Accordingly, the hydrogel made from a natural modified biopolymer carboxymethyl tamarind CMT-Hy and encapsulated with TRPV4-modulatory agents affects different parameters of MSCs, such as cell morphology, focal adhesion points, intracellular Ca2+, and reactive oxygen species- and NO-levels. TRPV4 also regulates cell differentiation and biomineralization in vitro. We demonstrate that 4α-10-CMT-Hy and 4α-50-CMT-Hy (the hydrogel encapsulated with 4αPDD, 10 and 50 nM, TRPV4 activator) surfaces upregulate mitochondrial health, i.e., an increase in ATP- and cardiolipin-levels, and improve the mitochondrial membrane potential. The same scaffold turned out to be nontoxic in vivo. 4α-50-CMT-Hy enhances the repair of the bone-drill hole in rat femur, both qualitatively and quantitatively in vivo. We conclude that 4α-50-CMT-Hy as a scaffold is suitable for treating large-scale bone defects at low cost and can be tested for clinical trials.
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Affiliation(s)
- Satish Kumar
- School of Biological Sciences, National Institute of Science Education and Research, HBNI, Khordha, Jatni 752050, Odisha, India
- Centre for Interdisciplinary Sciences, National Institute of Science Education and Research, Khordha, Jatni 752050, Odisha, India
| | - Tusar K Acharya
- School of Biological Sciences, National Institute of Science Education and Research, HBNI, Khordha, Jatni 752050, Odisha, India
- Centre for Interdisciplinary Sciences, National Institute of Science Education and Research, Khordha, Jatni 752050, Odisha, India
| | - Shamit Kumar
- School of Biological Sciences, National Institute of Science Education and Research, HBNI, Khordha, Jatni 752050, Odisha, India
- Centre for Interdisciplinary Sciences, National Institute of Science Education and Research, Khordha, Jatni 752050, Odisha, India
| | - Tejas P Rokade
- School of Biological Sciences, National Institute of Science Education and Research, HBNI, Khordha, Jatni 752050, Odisha, India
- Centre for Interdisciplinary Sciences, National Institute of Science Education and Research, Khordha, Jatni 752050, Odisha, India
| | - Nilesh K Das
- School of Biological Sciences, National Institute of Science Education and Research, HBNI, Khordha, Jatni 752050, Odisha, India
- Centre for Interdisciplinary Sciences, National Institute of Science Education and Research, Khordha, Jatni 752050, Odisha, India
| | - Saurabh Chawla
- School of Biological Sciences, National Institute of Science Education and Research, HBNI, Khordha, Jatni 752050, Odisha, India
| | - Luna Goswami
- School of Biotechnology, KIIT Deemed to be University, Patia, Bhubaneswar 751024, India
- School of Chemical Technology, KIIT Deemed to be University, Patia, Bhubaneswar 751024, India
| | - Chandan Goswami
- School of Biological Sciences, National Institute of Science Education and Research, HBNI, Khordha, Jatni 752050, Odisha, India
- Centre for Interdisciplinary Sciences, National Institute of Science Education and Research, Khordha, Jatni 752050, Odisha, India
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Lin X, Yang Y, Huang Y, Li E, Zhuang X, Zhang Z, Xu R, Yu X, Deng F. Mettl3‑mediated m 6A RNA methylation regulates osteolysis induced by titanium particles. Mol Med Rep 2024; 29:36. [PMID: 38214327 PMCID: PMC10823336 DOI: 10.3892/mmr.2024.13160] [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: 08/11/2023] [Accepted: 11/24/2023] [Indexed: 01/13/2024] Open
Abstract
Peri‑prosthetic osteolysis (PPO) induced by wear particles is considered the primary cause of titanium prosthesis failure and revision surgery. The specific molecular mechanisms involve titanium particles inducing multiple intracellular pathways, which impact disease prevention and the targeted therapy of PPO. Notably, N6‑methyladenosine (m6A) serves critical roles in epigenetic regulation, particularly in bone metabolism and inflammatory responses. Thus, the present study aimed to determine the role of RNA methylation in titanium particle‑induced osteolysis. Results of reverse transcription‑quantitative PCR (RT‑qPCR), western blotting, ELISA and RNA dot blot assays revealed that titanium particles induced osteogenic inhibition and proinflammatory responses, accompanied by the reduced expression of methyltransferase‑like (Mettl) 3, a key component of m6A methyltransferase. Specific lentiviruses vectors were employed for Mettl3 knockdown and overexpression experiments. RT‑qPCR, western blotting and ELISA revealed that the knockdown of Mettl3 induced osteogenic inhibition and proinflammatory responses comparable with that induced by titanium particle, while Mettl3 overexpression attenuated titanium particle‑induced cellular reactions. Methylated RNA immunoprecipitation‑qPCR results revealed that titanium particles mediated the methylation of two inhibitory molecules, namely Smad7 and SMAD specific E3 ubiquitin protein ligase 1, via Mettl3 in bone morphogenetic protein signaling, leading to osteogenic inhibition. Furthermore, titanium particles induced activation of the nucleotide binding oligomerization domain 1 signaling pathway through methylation regulation, and the subsequent activation of the MAPK and NF‑κB pathways. Collectively, the results of the present study indicated that titanium particles utilized Mettl3 as an upstream regulatory molecule to induce osteogenic inhibition and inflammatory responses. Thus, the present study may provide novel insights into potential therapeutic targets for aseptic loosening in titanium prostheses.
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Affiliation(s)
- Xiaoxuan Lin
- Department of Oral Implantology, Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong 510055, P.R. China
| | - Yang Yang
- Department of Oral Implantology, Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong 510055, P.R. China
| | - Yaohong Huang
- Department of Oral Implantology, Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong 510055, P.R. China
| | - E Li
- Department of Stomatology, Zhuhai Center for Maternal and Child Healthcare, Zhuhai Women and Children's Hospital, Zhuhai, Guangdong 519000, P.R. China
| | - Xiumei Zhuang
- Department of Stomatology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510000, P.R. China
| | - Zhengchuan Zhang
- Department of Oral Implantology, Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong 510055, P.R. China
| | - Ruogu Xu
- Department of Oral Implantology, Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong 510055, P.R. China
| | - Xiaolin Yu
- Department of Oral Implantology, Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong 510055, P.R. China
| | - Feilong Deng
- Department of Oral Implantology, Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong 510055, P.R. China
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Chen X, Xu C, Geng T, Geng Y, Li Z, Li Y, Wu P, Lei N, Zhuang X, Zhao S. Injectable Self-Healing Oxidized Starch/Gelatin Hybrid Hydrogel for Preventing Aseptic Loosening of Bone Tissue Engineering. ACS APPLIED MATERIALS & INTERFACES 2024; 16:5368-5381. [PMID: 38270092 DOI: 10.1021/acsami.3c12605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2024]
Abstract
Aseptic loosening presents a formidable challenge within the realm of bone tissue engineering, playing a pivotal role in the occurrence of joint replacement failures. The development of therapeutic materials characterized by an optimal combination of mechanical properties and biocompatibility is imperative to ensure the enduring functionality of bone implants over extended periods. In this context, this study introduced an injectable, temperature-sensitive irisin/oxidized starch/gelatin hybrid hydrogel (I-OG) system. The hierarchical cross-linked structure endows the I-OG hydrogel with controlled and adjustable physical and chemical properties, making it easy to adapt to different clinical environments. This hydrogel exhibits satisfactory injectable properties, excellent biocompatibility, and good temperature sensitivity. The sol-gel point of the I-OG hydrogel, close to the body temperature, allows it to cushion the shaking of the implant and maintain an intact state during compression of bone tissue. Significantly, the I-OG hydrogel effectively filled the gap between the implant and bone tissue, successfully inhibiting aseptic loosening induced by titanium particles, a result that confirmed the slow release of the irisin protein from the gel. Collectively, the findings from this study strongly support the proposition that functional hydrogels, typified by the I-OG system, hold substantial promise as an accessible and efficient treatment strategy for mitigating aseptic loosening.
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Affiliation(s)
- Xi Chen
- Department of Dermatology, Allergology, and Venereology, University of Lübeck, Lübeck 23562, Germany
| | - Chang Xu
- Department of Cardiovascular Surgery, Central Hospital of Dalian University of Technology, Dalian 116089, China
| | - Tianxiang Geng
- Department of Biomaterials, Faculty of Dentistry, University of Oslo, Oslo 0316, Norway
| | - Yi Geng
- Department of Dermatologic Surgery, Shanghai Skin Disease Hospital, Tongji University, Shanghai 200443, P. R. China
| | - Zhenghui Li
- Department of Neurosurgery, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou University, Zhengzhou, Henan 450052, P. R. China
| | - Yanqing Li
- School of Life Sciences, Henan University, Kaifeng, Henan 475000, P. R. China
| | - Peng Wu
- Department of Orthopedics, Shanghai Tenth People's Hospital, Tongji University, Shanghai 201106, P. R. China
| | - Ningning Lei
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, P. R. China
| | - Xijing Zhuang
- Department of Cardiovascular Surgery, Central Hospital of Dalian University of Technology, Dalian 116089, China
| | - Sijia Zhao
- Department of Dermatologic Surgery, Shanghai Skin Disease Hospital, Tongji University, Shanghai 200443, P. R. China
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Ma T, Chen S, Wang J, Liang S, Chen M, Liu Q, Zhang Z, Liu G, Yang Y, Hu Y, Xie J. Enhanced Osteolysis Targeted Therapy through Fusion of Exosomes Derived from M2 Macrophages and Bone Marrow Mesenchymal Stem Cells: Modulating Macrophage Polarization. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2303506. [PMID: 37806770 DOI: 10.1002/smll.202303506] [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: 04/26/2023] [Revised: 08/30/2023] [Indexed: 10/10/2023]
Abstract
Aseptic loosening of prostheses is a highly researched topic, and wear particle-induced macrophage polarization is a significant cause of peri-prosthetic osteolysis. Exosomes derived from bone marrow mesenchymal stem cells (BMSCs-Exos) promote M2 polarization and inhibit M1 polarization of macrophages. However, clinical application problems such as easy clearance and lack of targeting exist. Exosomes derived from M2 macrophages (M2-Exos) have good biocompatibility, immune escape ability, and natural inflammatory targeting ability. M2-Exos and BMSCs-Exos fused exosomes (M2-BMSCs-Exos) are constructed, which targeted the osteolysis site and exerted the therapeutic effect of both exosomes. M2-BMSCs-Exos achieved targeted osteolysis after intravenous administration inhibiting M1 polarization and promoting M2 polarization to a greater extent at the targeted site, ultimately playing a key role in the prevention and treatment of aseptic loosening of prostheses. In conclusion, M2-BMSCs-Exos can be used as a precise and reliable molecular drug for peri-prosthetic osteolysis. Fused exosomes M2-BMSCs-Exos were originally proposed and successfully prepared, and exosome fusion technology provides a new theoretical basis and solution for the clinical application of therapeutic exosomes.
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Affiliation(s)
- Tianliang Ma
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Sijie Chen
- Department of Ultrasound Diagnosis, Second Xiangya Hospital, Central South University, Changsha, 410012, China
| | - Jiahao Wang
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Shuailong Liang
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Mingyu Chen
- Department of Ultrasound Diagnosis, Second Xiangya Hospital, Central South University, Changsha, 410012, China
| | - Qimeng Liu
- Department of Orthopedics, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Zheyu Zhang
- Department of Orthopedics, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Guanzhi Liu
- Department of Orthopedics, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Yute Yang
- Department of Orthopedics, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Yihe Hu
- Department of Orthopedics, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Jie Xie
- Department of Orthopedics, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
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Xu K, Li J, Wen R, Chang B, Cheng Y, Yi X. Role of SIRT3 in bone homeostasis and its application in preventing and treating bone diseases. Front Pharmacol 2023; 14:1248507. [PMID: 38192409 PMCID: PMC10773770 DOI: 10.3389/fphar.2023.1248507] [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: 06/27/2023] [Accepted: 12/11/2023] [Indexed: 01/10/2024] Open
Abstract
Bone homeostasis refers to the balance between osteoblast-mediated bone formation and osteoclast-mediated bone resorption and the maintenance of stable bone mass. SIRT3 is a class of mitochondrial protein deacetylase that influences various mitochondrial functions and is involved in the mechanisms underlying resistance to aging; regulation of bone marrow mesenchymal stem cells, osteoblasts, and osteoclasts; and development of osteoporosis, osteoarthritis, and other bone diseases. Moreover, exercise affects bones through SIRT3. Thus, studies on SIRT3 may provide insights for the treatment of bone diseases. Although SIRT3 can exert multiple effects on bone, the specific mechanism by which it regulates bone homeostasis remains unclear. By evaluating the relevant literature, this review discusses the structure and function of SIRT3, reveals the role and associated mechanisms of SIRT3 in regulating bone homeostasis and mediating bone health during exercise, and highlights the potential pharmacological value of SIRT3 in treating bone diseases.
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Affiliation(s)
- Ke Xu
- School of Sports Health, Shenyang Sport University, Shenyang, China
| | - Jing Li
- School of Physical Education, Liaoning Normal University, Dalian, China
| | - Ruiming Wen
- School of Sports Health, Shenyang Sport University, Shenyang, China
| | - Bo Chang
- School of Sports Health, Shenyang Sport University, Shenyang, China
| | - Yang Cheng
- School of Sports Health, Shenyang Sport University, Shenyang, China
| | - Xuejie Yi
- School of Sports Health, Shenyang Sport University, Shenyang, China
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Chen L, Tong Z, Luo H, Qu Y, Gu X, Si M. Titanium particles in peri-implantitis: distribution, pathogenesis and prospects. Int J Oral Sci 2023; 15:49. [PMID: 37996420 PMCID: PMC10667540 DOI: 10.1038/s41368-023-00256-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 10/25/2023] [Accepted: 10/30/2023] [Indexed: 11/25/2023] Open
Abstract
Peri-implantitis is one of the most important biological complications in the field of oral implantology. Identifying the causative factors of peri-implant inflammation and osteolysis is crucial for the disease's prevention and treatment. The underlying risk factors and detailed pathogenesis of peri-implantitis remain to be elucidated. Titanium-based implants as the most widely used implant inevitably release titanium particles into the surrounding tissue. Notably, the concentration of titanium particles increases significantly at peri-implantitis sites, suggesting titanium particles as a potential risk factor for the condition. Previous studies have indicated that titanium particles can induce peripheral osteolysis and foster the development of aseptic osteoarthritis in orthopedic joint replacement. However, it remains unconfirmed whether this phenomenon also triggers inflammation and bone resorption in peri-implant tissues. This review summarizes the distribution of titanium particles around the implant, the potential roles in peri-implantitis and the prevalent prevention strategies, which expects to provide new directions for the study of the pathogenesis and treatment of peri-implantitis.
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Affiliation(s)
- Long Chen
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, China
- Department of Stomatology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Zian Tong
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, China
| | - Hongke Luo
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, China
| | - Yuan Qu
- Zhejiang University-University of Edinburgh Institute, International Campus, Zhejiang University, Haining, China
| | - Xinhua Gu
- Department of Stomatology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
| | - Misi Si
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, China.
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Zhang H, Han B, Li Z, Zhao Y, Du Y, Yang Y, Wang S, Zhang J. The role and mechanism of inflammatory response to growing rod implantation in early onset scoliosis. Front Cell Dev Biol 2023; 11:1282573. [PMID: 37965575 PMCID: PMC10642228 DOI: 10.3389/fcell.2023.1282573] [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: 08/24/2023] [Accepted: 10/17/2023] [Indexed: 11/16/2023] Open
Abstract
Growing rod implantation, a surgery treatment for EOS (early onset scoliosis), may cause a kind of chronic inflammation called metalosis and all other implant-related complications because of the metal debris released by the implants as a result of fraction and corrosion. There is no complete explanation of immunologic mechanisms of metalosis up to now. This review demonstrates the researches on metalosis from the clinical issues down to basic immunologic mechanisms. Adverse reactions of metal implants are mainly the formation of NLRP3 (nod-like receptor protein 3) inflammasome, primed by TLR4 (toll-like receptor protein 4), activated by phagocytosis and often accompanied by type Ⅳ hypersensitive reaction. Recent studies found that TNF-α (tumor necrosis factor α) also participates in priming, and activation of inflammasome requires disturbance of lysosome and release of cathepsin B. Ca-074Me and MCC950 are therapeutic interventions worth exploring in aseptic loosening of orthopedic implants.
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Affiliation(s)
| | | | | | | | | | | | - Shengru Wang
- Department of Orthopedic Surgery, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - Jianguo Zhang
- Department of Orthopedic Surgery, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
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10
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Jia YR, Guo ZQ, Guo Q, Wang XC. Glycogen Synthase Kinase-3β, NLRP3 Inflammasome, and Alzheimer's Disease. Curr Med Sci 2023; 43:847-854. [PMID: 37721665 DOI: 10.1007/s11596-023-2788-4] [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: 06/11/2023] [Accepted: 07/25/2023] [Indexed: 09/19/2023]
Abstract
Alzheimer's disease (AD) is the most prevalent cause of dementia worldwide. Because of the progressive neurodegeneration, individual cognitive and behavioral functions are impaired, affecting the quality of life of millions of people. Although the exact pathogenesis of AD has not been fully elucidated, amyloid plaques, neurofibrillary tangles (NFTs), and sustaining neuroinflammation dominate its characteristics. As one of the major tau kinases leading to hyperphosphorylation and aggregation of tau, glycogen synthase kinase-3β (GSK-3β) has been drawing great attention in various AD studies. Another research focus of AD in recent years is the inflammasome, a multiprotein complex acting as a regulator in immunological reactions to exogenous and endogenous danger signals, of which the Nod-like receptor (NLR) family, pyrin domain-containing 3 (NLRP3) inflammasome has been studied mostly in AD and proven to play a significant role in AD development by its activation and downstream effects such as caspase-1 maturation and interleukin (IL)-1β release. Studies have shown that the NLRP3 inflammasome is activated in a GSK-3β-dependent way and that inhibition of the NLRP3 inflammasome downregulates GSK-3β, suggesting that these two important proteins are closely related. This article reviews the respective roles of GSK-3β and the NLRP3 inflammasome in AD as well as their relationship and interaction.
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Affiliation(s)
- Yue-Ran Jia
- Department of Pathophysiology, School of Basic Medicine, Key Laboratory of Education Ministry/Hubei Province of China for Neurological Disorders, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Zi-Qing Guo
- Department of Pathophysiology, School of Basic Medicine, Key Laboratory of Education Ministry/Hubei Province of China for Neurological Disorders, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Qian Guo
- Department of Pathophysiology, School of Basic Medicine, Key Laboratory of Education Ministry/Hubei Province of China for Neurological Disorders, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Xiao-Chuan Wang
- Department of Pathophysiology, School of Basic Medicine, Key Laboratory of Education Ministry/Hubei Province of China for Neurological Disorders, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
- Co-innovation Center of Neuroregeneration, Nantong University, Nantong, 226001, China.
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Yu R, Yuan Y, Liu Z, Liu L, Xu Z, Zhao Y, Jia C, Zhang P, Li H, Liu Y, Wang Y, Li W, Nie L, Sun X, Li Y, Liu B, Liu H. Selenomethionine against titanium particle-induced osteolysis by regulating the ROS-dependent NLRP3 inflammasome activation via the β-catenin signaling pathway. Front Immunol 2023; 14:1171150. [PMID: 37545495 PMCID: PMC10397397 DOI: 10.3389/fimmu.2023.1171150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 06/22/2023] [Indexed: 08/08/2023] Open
Abstract
Wear debris-induced osteolysis, especially titanium (Ti) particles-induced osteolysis, is the most common cause of arthroplasty failure with no effective therapy. Previous studies have suggested that inflammation and impaired osteogenesis are associated with Ti particles -induced osteolysis. Selenium (Se) is an essential trace element in the human body, which forms selenomethionine (Se-Met) in nature, and selenoproteins has strong anti-inflammatory and antioxidant stress effects. In this study, the effects of Se-Met on Ti particles-induced osteolysis were observed and the potential mechanism was explored. We found that exogenous Se-Met relieved osteolysis induced by Ti particles in two animal models and MC3T3-E1 cells. We found that the addition of Se-Met effectively inhibited Ti particle-induced inflammation by regulating reactive oxygen species-dependent (ROS-dependent) NOD-like receptor protein 3 (NLRP3) inflammasome activation. These therapeutic effects were abrogated in MC3T3-E1 cells that had received a β-catenin antagonist, suggesting that Se-Met alleviates inflammatory osteolysis via the β-catenin signaling pathway. Collectively, these findings indicated that Se-Met may serve as a potential therapeutic agent for treating Ti particle-induced osteolysis.
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Affiliation(s)
- Ruixuan Yu
- Department of Orthopaedics, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Yongjian Yuan
- Department of Orthopaedics, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Zhicheng Liu
- Department of Orthopaedics, Qilu Hospital of Shandong University, Jinan, Shandong, China
- The First Clinical Medical School, Shandong University, Jinan, Shandong, China
| | - Long Liu
- Department of Pathology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Zhaoning Xu
- School of Nursing and Rehabilitation, Shandong University, Jinan, Shandong, China
| | - Yunpeng Zhao
- Department of Orthopaedics, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Chunwang Jia
- Department of Orthopaedics, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Pengfei Zhang
- Department of Orthopaedics, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Hang Li
- Department of Orthopaedics, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Yuhao Liu
- Department of Orthopaedics, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Yi Wang
- Department of Plastic and Burns Surgery, The Second Hospital of Shandong University, Jinan, Shandong, China
- Emergency Medicine Center, The Second Hospital of Shandong University, Jinan, Shandong, China
| | - Weiwei Li
- Department of Pathology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Lin Nie
- Department of Orthopaedics, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Xuecheng Sun
- Department of Orthopedic Trauma, Weifang People’s Hospital, Weifang, Shandong, China
| | - Yuhua Li
- Department of Orthopaedics, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Ben Liu
- Department of Orthopaedics, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Haichun Liu
- Department of Orthopaedics, Qilu Hospital of Shandong University, Jinan, Shandong, China
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12
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Chen Z, Gu X. Effects of NLRP3 on implants placement. Zhejiang Da Xue Xue Bao Yi Xue Ban 2023; 52:126-133. [PMID: 37283126 DOI: 10.3724/zdxbyxb-2022-0614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Bone stability is precisely controlled by osteoclast-mediated bone resorption and osteoblast-mediated bone formation. When the balance is broken, the integrity of the bone structure will be destroyed. Inflammasomes are important protein complexes in response to pathogen-related molecular models or injury-related molecular models, which can promote the activation and secretion of proinflammatory cytokines and activate a local inflammatory response. NOD-like receptor thermal protein domain associated protein (NLRP) 3 inflammasome can promote bone resorption through the activation of the proinflammatory cytokines interleukin (IL)-1β, IL-18 and the induction of caspase-1-mediated pyroptosis. Inhibiting the production of NLRP3 inflammasome may be beneficial to improve comfort and bone stability. The presence of metal particles and microorganisms around implants can activate NLRP3 and promote bone absorption. NLRP3 inflammasome plays an important role in the maintenance of bone stability around implants, however, most studies focus on orthopedic implants and periodontitis. This article reviews the effects of NLRP3 inflammasome on bone formation, resorption and pain induced by implants, and the possibility of NLRP3 as a target for preventing peri-implantitis is discussed.
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Affiliation(s)
- Ziyun Chen
- Department of Stomatology, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China.
| | - Xinhua Gu
- Department of Stomatology, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China.
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13
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Huang W, Zhang Z, Qiu Y, Gao Y, Fan Y, Wang Q, Zhou Q. NLRP3 inflammasome activation in response to metals. Front Immunol 2023; 14:1055788. [PMID: 36845085 PMCID: PMC9950627 DOI: 10.3389/fimmu.2023.1055788] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Accepted: 01/16/2023] [Indexed: 02/12/2023] Open
Abstract
Implant surgery is followed by a series of inflammatory reactions that directly affect its postoperative results. The inflammasome plays a vital role in the inflammatory response by inducing pyroptosis and producing interleukin-1β, which plays a critical role in inflammation and tissue damage. Therefore, it is essential to study the activation of the inflammasome in the bone healing process after implant surgery. As metals are the primary implant materials, metal-induced local inflammatory reactions have received significant attention, and there has been more and more research on the activation of the NLRP3 (NOD-like receptor protein-3) inflammasome caused by these metals. In this review, we consolidate the basic knowledge on the NLRP3 inflammasome structures, the present knowledge on the mechanisms of NLRP3 inflammasome activation, and the studies of metal-induced NLRP3 inflammasome activation.
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Affiliation(s)
- Wanyi Huang
- School and Hospital of Stomatology, China Medical University, Shenyang, China
- Liaoning Provincial Key Laboratory of Oral Diseases, China Medical University, Shenyang, China
| | - Ziqi Zhang
- School and Hospital of Stomatology, China Medical University, Shenyang, China
- Liaoning Provincial Key Laboratory of Oral Diseases, China Medical University, Shenyang, China
| | - Yueyang Qiu
- School and Hospital of Stomatology, China Medical University, Shenyang, China
- Liaoning Provincial Key Laboratory of Oral Diseases, China Medical University, Shenyang, China
| | - Yuan Gao
- School and Hospital of Stomatology, China Medical University, Shenyang, China
- Liaoning Provincial Key Laboratory of Oral Diseases, China Medical University, Shenyang, China
- Department of Orthodontics, Shenyang Stomatological Hospital, Shenyang, China
| | - Yongqiang Fan
- College of Life and Health Sciences, Northeastern University, Shenyang, China
- Shenyang National Laboratory for Materials Science, Northeastern University, Shenyang, China
| | - Qiang Wang
- School and Hospital of Stomatology, China Medical University, Shenyang, China
- Liaoning Provincial Key Laboratory of Oral Diseases, China Medical University, Shenyang, China
| | - Qing Zhou
- School and Hospital of Stomatology, China Medical University, Shenyang, China
- Liaoning Provincial Key Laboratory of Oral Diseases, China Medical University, Shenyang, China
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14
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BMP-2 functional polypeptides relieve osteolysis via bi-regulating bone formation and resorption coupled with macrophage polarization. NPJ Regen Med 2023; 8:6. [PMID: 36759627 PMCID: PMC9911742 DOI: 10.1038/s41536-023-00279-2] [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: 06/01/2022] [Accepted: 01/25/2023] [Indexed: 02/11/2023] Open
Abstract
Osteolysis caused by wear debris around the prosthesis is the main reason for aseptic loosening. Extending prosthetic service life is still challenging. In this study, we first synthesized a bone morphogenetic protein-2 (BMP-2) functional polypeptide (BMP2pp), and evaluated the effects of BMP2pp on macrophage polarization and impaired osteogenesis caused by titanium (Ti) particles in vitro. Then, we delineated the impact of BMP2pp on bone formation and resorption in a mouse calvarial bone osteolysis model induced by Ti particles. The results showed that BMP2pp not only alleviated the Ti-induced inhibition of osteoblastic differentiation in human placenta-derived mesenchymal stem cells (hPMSCs) but also prevented Ti-induced M1 macrophage polarization and promoted M2 macrophage differentiation in mice. Conditioned medium from BMP2pp-activated macrophages increased the osteogenesis of hPMSCs. The western blot results indicated a significant decrease in the expression of NF-κB inducing kinase (NIK) and phospho-NF-κB p65 in bone marrow-derived macrophages treated with BMP2pp. Furthermore, we clarified the protective effect of BMP2pp on bone formation and the reduction in bone resorption coupled with the immunomodulatory properties of calvarial osteolysis in mice. In summary, BMP2pp ameliorated the Ti-mediated impairment in osteogenic potential of hPMSCs, suppressed the M1 polarization of macrophages by inhibiting the activation of the NF-κB signaling pathway, and ameliorated Ti-induced bone osteolysis. Our research suggests that BMP2pp may be a potential option for treating prosthetic loosening induced by wear debris from prostheses.
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15
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Tang Y, Yi X, Zhang X, Liu B, Lu Y, Pan Z, Yu T, Feng W. Microcystin‑leucine arginine promotes colorectal cancer cell proliferation by activating the PI3K/Akt/Wnt/β‑catenin pathway. Oncol Rep 2023; 49:18. [PMID: 36453240 PMCID: PMC9773010 DOI: 10.3892/or.2022.8455] [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: 08/23/2022] [Accepted: 11/10/2022] [Indexed: 12/05/2022] Open
Abstract
Microcystin‑leucine arginine (MC‑LR) is an environmental toxin produced by cyanobacteria and is considered to be a potent carcinogen. However, to the best of our knowledge, the effect of MC‑LR on colorectal cancer (CRC) cell proliferation has never been studied. The aim of the present study was to investigate the effect of MC‑LR on CRC cell proliferation and the underlying mechanisms. Firstly, a Cell Counting Kit‑8 (CCK‑8) assay was conducted to determine cell viability at different concentrations, and 50 nM MC‑LR was chosen for further study. Subsequently, a longer CCK‑8 assay and a cell colony formation assay showed that MC‑LR promoted SW620 and HT29 cell proliferation. Furthermore, western blotting analysis showed that MC‑LR significantly upregulated protein expression of PI3K, p‑Akt (Ser473), p‑GSK3β (Ser9), β‑catenin, c‑myc and cyclin D1, suggesting that MC‑LR activated the PI3K/Akt and Wnt/β‑catenin pathways in SW620 and HT29 cells. Finally, the pathway inhibitors LY294002 and ICG001 were used to validate the role of the PI3K/Akt and Wnt/β‑catenin pathways in MC‑LR‑accelerated cell proliferation. The results revealed that MC‑LR activated Wnt/β‑catenin through the PI3K/Akt pathway to promote cell proliferation. Taken together, these data showed that MC‑LR promoted CRC cell proliferation by activating the PI3K/Akt/Wnt/β‑catenin pathway. The present study provided a novel insight into the toxicological mechanism of MC‑LR.
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Affiliation(s)
- Yaqi Tang
- School of Life Science and Technology, Weifang Medical University, Weifang, Shandong 261053, P.R. China
| | - Xiaoyu Yi
- School of Life Science and Technology, Weifang Medical University, Weifang, Shandong 261053, P.R. China
| | - Xinyu Zhang
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Shandong First Medical University, Taian, Shandong 271000, P.R. China
| | - Baojie Liu
- School of Life Science and Technology, Weifang Medical University, Weifang, Shandong 261053, P.R. China
| | - Yongzheng Lu
- School of Life Science and Technology, Weifang Medical University, Weifang, Shandong 261053, P.R. China
| | - Zhifang Pan
- School of Life Science and Technology, Weifang Medical University, Weifang, Shandong 261053, P.R. China
| | - Tao Yu
- School of Life Science and Technology, Weifang Medical University, Weifang, Shandong 261053, P.R. China
| | - Weiguo Feng
- School of Life Science and Technology, Weifang Medical University, Weifang, Shandong 261053, P.R. China
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16
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Yin J, Yin Z, Lai P, Liu X, Ma J. Pyroptosis in Periprosthetic Osteolysis. Biomolecules 2022; 12:biom12121733. [PMID: 36551161 PMCID: PMC9775904 DOI: 10.3390/biom12121733] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 11/12/2022] [Accepted: 11/18/2022] [Indexed: 11/25/2022] Open
Abstract
Periprosthetic osteolysis (PPO) along with aseptic loosening (AL) caused by wear particles after artificial joint replacement is the key factor in surgical failure and subsequent revision surgery, however, the precise molecular mechanism underlying PPO remains unclear. Aseptic inflammation triggered by metal particles, resulting in the imbalance between bone formation by osteoblasts and bone resorption by osteoclasts may be the decisive factor. Pyroptosis is a new pro-inflammatory pattern of regulated cell death (RCD), mainly mediated by gasdermins (GSDMs) family, among which GSDMD is the best characterized. Recent evidence indicates that activation of NLRP3 inflammasomes and pyroptosis play a pivotal role in the pathological process of PPO. Here, we review the pathological process of PPO, the molecular mechanism of pyroptosis and the interventions to inhibit the inflammation and pyroptosis of different cells during the PPO. Conclusively, this review provides theoretical support for the search for new strategies and new targets for the treatment of PPO by inhibiting pyroptosis and inflammation.
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Affiliation(s)
- Jian Yin
- Department of Orthopedics, Shanghai General Hospital of Nanjing Medical University, Shanghai 201600, China
- Department of Orthopedics, The Affiliated Jiangning Hospital with Nanjing Medical University, Nanjing 211100, China
| | - Zhaoyang Yin
- Department of Orthopedics, The Affiliated Lianyungang Hospital of Xuzhou Medical University (The First People’s Hospital of Lianyungang), Lianyungang 222000, China
| | - Peng Lai
- Department of Orthopedics, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 201600, China
| | - Xinhui Liu
- Department of Orthopedics, The Affiliated Jiangning Hospital with Nanjing Medical University, Nanjing 211100, China
- Correspondence: (J.M.); (X.L.)
| | - Jinzhong Ma
- Department of Orthopedics, Shanghai General Hospital of Nanjing Medical University, Shanghai 201600, China
- Department of Orthopedics, The Affiliated Jiangning Hospital with Nanjing Medical University, Nanjing 211100, China
- Department of Orthopedics, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 201600, China
- Correspondence: (J.M.); (X.L.)
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17
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Zhou F, Zhang G, Wu Y, Xiong Y. Inflammasome Complexes: Crucial mediators in osteoimmunology and bone diseases. Int Immunopharmacol 2022; 110:109072. [DOI: 10.1016/j.intimp.2022.109072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Revised: 06/15/2022] [Accepted: 07/14/2022] [Indexed: 11/05/2022]
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18
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Xu J, Chen X, Nie W. miR-15b-5p REGULATES THE NLRP3 INFLAMMASOME SIGNAL THROUGH TARGETING SIRT3 TO REGULATE HYPOXIA/REOXYGENATION-INDUCED CARDIOMYOCYTE PYROPTOSIS PROCESS. Shock 2022; 58:147-157. [PMID: 35953459 DOI: 10.1097/shk.0000000000001961] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
ABSTRACT Hypoxia/reoxygenation (H/R) induces pyroptosis in the setting of acute myocardial infarction (AMI). Previous studies have shown that the expression of the miR-15 family is stimulated in myocardial ischemia-reperfusion injury or H/R-induced cardiomyocyte injury, and miR-15 is a promoter of cardiac ischemia-reperfusion or H/R injury. However, whether miR-15b-5p regulates H/R injury and cardiomyocyte pyroptosis and its mechanism still need to be further clarified. Bioinformatics analysis elicited that SIRT3 was the downstream regulatory target gene of miR-15b-5p. SIRT3 has been shown to participate in the regulation of pyroptosis by negatively regulating the NLRP3 inflammasome pathway. Therefore, we hypothesized that miR-15b-5p targets SIRT3 and activated the NLRP3 inflammasome pathway to promote H/R-induced cardiomyocyte pyroptosis. We first show that H/R increases miR-15b-5p in rat cardiomyocytes H9C2. Next, we tested the effects of inhibition of miR-15b-5p or overexpression of SIRT3. We found that miR-15b-5p downregulation or SIRT3 overexpression could reverse the H/R-induced pyroptosis. Furthermore, silencing SIRT3 antagonized the protective effect of miR-15b-5p downregulation on H9C2 cells. NLRP3 inhibitor MCC950 annulled the previously mentioned antagonistic effect of silencing SIRT3 on the protection of miR-15b-5p downregulation against pyroptosis. We then used a rat AMI model to analyze myocardial infarction area by triphenyl tetrazolium chloride staining and assess serum cardiac troponin T level by ELISA and found that miR-15b-5p silencing reduced AMI injury in rats. Collectively, these results suggest that miR-15b-5p increase H/R-induced pyroptosis in cardiomyocytes by targeting SIRT3 and activating the NLRP3 inflammasome.
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Affiliation(s)
- Jiawei Xu
- Department of Cardiology, The Hospital of Sichuan International Studies University, Chongqing, China
| | - Xuexia Chen
- Department of Cardiology, The First People's Hospital of Neijiang, Neijiang, China
| | - Wenhong Nie
- Department of Neurosurgery, The First People's Hospital of Neijiang, Neijiang, China
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19
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Lin S, Wen Z, Li S, Chen Z, Li C, Ouyang Z, Lin C, Kuang M, Xue C, Ding Y. LncRNA Neat1 promotes the macrophage inflammatory response and acts as a therapeutic target in titanium particle-induced osteolysis. Acta Biomater 2022; 142:345-360. [PMID: 35151924 DOI: 10.1016/j.actbio.2022.02.007] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Revised: 01/18/2022] [Accepted: 02/07/2022] [Indexed: 12/17/2022]
Abstract
Aseptic loosening (AL), secondary to particle-caused periprosthetic osteolysis, is one of the main reasons of artificial joint failure. Suppressing the macrophage inflammatory response caused by wear particles extends the life of prosthesis, and the long noncoding RNAs (lncRNAs) may play a predominant part in it. Here, titanium particles' (TiPs') stimulation increases both the cytoplasmic and nuclear levels of lncRNA Neat1 in bone marrow derived macrophages (BMDMs), which further induces the inflammatory response. Mechanically, Neat1 facilitates Bruton's tyrosine kinase (BTK) transcription by reducing the transcriptional factor KLF4, which further activates the NF-κB pathway, NLRP3 inflammation, and M1 polarization in BMDMs. Cytoplasmic Neat1 also works as an miRNA sponge in miR-188-5p-regulated BTK expression in the post-transcriptional stage. In vivo, Neat1 downregulation can reduce the TiP-induced pro-inflammatory factors and reverse the osteolysis induced by BTK overexpression. In addition, the PLGA-based microparticles loaded with si-Neat1 are developed for the treatment of the mouse calvarial osteolysis model via local injection, presenting satisfactory anti-osteolysis efficacy. These findings indicate that Neat1 is a key regulator of AL. STATEMENT OF SIGNIFICANCE: Due to released particles, aseptic loosening (AL) is the most common reason for prosthesis failure and surgical revision and represents a substantial economic burden worldwide. Herein, we reported that lncRNA Neat1 is a key regulator in regulating wear particles-induced osteolysis by activating NF-κB pathway, NLRP3 inflammation and M1 polarization via BTK, and the underlying mechanisms of Neat1-BTK interaction were further portrayed. For potential clinical application, the microparticles are developed for effective si-Neat1 delivery, leading to a dramatically enhanced effect for the treatment of osteolysis, which might be a novel strategy to extend the life of the implant.
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20
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Abstract
SIRT3 is an NAD+-dependent deacetylase in the mitochondria with an extensive ability to regulate mitochondrial morphology and function. It has been reported that SIRT3 participates in the occurrence and development of many aging-related diseases. Osteoporosis is a common aging-related disease characterized by decreased bone mass and fragility fractures, which has caused a huge burden on society. Current research shows that SIRT3 is involved in the physiological processes of senescence of bone marrow mesenchymal stem cells (BMSCs), differentiation of BMSCs and osteoclasts. However, the specific effects and mechanisms of SIRT3 in osteoporosis are not clear. In the current review, we elaborated on the physiological functions of SIRT3, the cell types involved in bone remodeling, and the role of SIRT3 in osteoporosis. Furthermore, it also provided a theoretical basis for SIRT3 as a therapeutic target for osteoporosis.
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Affiliation(s)
- Siwang Hu
- The Orthopaedic Center, Wenling First People’s Hospital (The Affiliated Wenling Hospital of Wenzhou Medical University), Wenling, China
| | - Shuangshuang Wang
- Department of Cardiology, Wenling First People’s Hospital (The Affiliated Wenling Hospital of Wenzhou Medical University), Wenling, China
- *Correspondence: Shuangshuang Wang,
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21
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Targeted and activatable nanosystem for fluorescent and optoacoustic imaging of immune-mediated inflammatory diseases and therapy via inhibiting NF-κB/NLRP3 pathways. Bioact Mater 2021; 10:79-92. [PMID: 34901531 PMCID: PMC8637343 DOI: 10.1016/j.bioactmat.2021.08.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 07/29/2021] [Accepted: 08/07/2021] [Indexed: 02/07/2023] Open
Abstract
Immune-mediated inflammatory diseases (IMIDs) represent a diverse group of diseases and challenges remain for the current medications. Herein, we present an activatable and targeted nanosystem for detecting and imaging IMIDs foci and treating them through blocking NF-κB/NLRP3 pathways. A ROS-activatable prodrug BH-EGCG is synthesized by coupling a near-infrared chromophore with the NF-κB/NLRP3 inhibitor epigallocatechin-3-gallate (EGCG) through boronate bond which serves as both the fluorescence quencher and ROS-responsive moiety. BH-EGCG molecules readily form stable nanoparticles in aqueous medium, which are then coated with macrophage membrane to ensure the actively-targeting capability toward inflammation sites. Additionally, an antioxidant precursor N-acetylcysteine is co-encapsulated into the coated nanoparticles to afford the nanosystem BH-EGCG&NAC@MM to further improve the anti-inflammatory efficacy. Benefiting from the inflammation-homing effect of the macrophage membrane, the nanosystem delivers payloads (diagnostic probe and therapeutic drugs) to inflammatory lesions more efficiently and releases a chromophore and two drugs upon being triggered by the overexpressed in-situ ROS, thus exhibiting better theranostic performance in the autoimmune hepatitis and hind paw edema mouse models, including more salient imaging signals and better therapeutic efficacy via inhibiting NF-κB pathway and suppressing NLRP3 inflammasome activation. This work may provide perceptions for designing other actively-targeting theranostic nanosystems for various inflammatory diseases.
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22
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Zhang X, Lai K, Li S, Wang J, Li J, Wang W, Ni S, Lu B, Grzybowski A, Ji J, Han H, Yao K. Drug-eluting intraocular lens with sustained bromfenac release for conquering posterior capsular opacification. Bioact Mater 2021; 9:343-357. [PMID: 34820575 PMCID: PMC8586266 DOI: 10.1016/j.bioactmat.2021.07.015] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 07/16/2021] [Accepted: 07/17/2021] [Indexed: 02/06/2023] Open
Abstract
Cataract is the leading cause of visual impairment, and posterior capsular opacification (PCO) is the most common long-term complication of modern cataract surgery, which can cause severe visual impairment after surgery. The proliferation, migration, and epithelial-mesenchymal transition (EMT) of residual lens epithelial cells (LECs) stimulated by growth factors and cytokines, are the key pathological mechanisms involved in the development of PCO. This study demonstrated that non-steroidal anti-inflammatory drug (NSAID), bromfenac, was capable of effectively inhibiting cell migration, overexpression of EMT markers, such as fibronectin (FN), matrix metalloproteinase 2 (MMP2), α-smooth muscle actin (α-SMA), and transcription factor Snail, and extracellular signal-regulated kinase (ERK)/glycogen synthase kinase-3β (GSK-3β) signaling induced by transforming growth factor-β2 (TGF-β2) in vitro. The inhibitory effect of bromfenac on TGF-β2-induced EMT was also verified on a primary lens epithelial cell model using human anterior capsules. Furthermore, based on ultrasonic spray technology, we developed a drug-eluting intraocular lens (IOL) using poly (lactic-co-glycolic acid) (PLGA) with sustained bromfenac release ability for the prevention of PCO development. In the rabbit models of cataract surgery, bromfenac-eluting IOL exhibited remarkable PCO prevention and inflammation suppression effects with excellent biocompatibility. In conclusion, bromfenac can inhibit TGF-β2-induced cell migration and the EMT of LECs via ERK/GSK-3β/Snail signaling. The present study offers a novel approach for preventing PCO through PLGA-based drug sustained-release IOLs. Bromfenac inhibited TGF-β2-induced migration and EMT of LECs through ERK/GSK-3β/Snail signaling. Drug-eluting IOLs with sustained bromfenac release were developed based on ultrasonic spray technology. Bromfenac-eluting IOLs exhibited remarkable PCO prevention and inflammation suppression effects in vivo. Bromfenac-eluting IOLs hold great potential for clinical application of PCO prevention.
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Affiliation(s)
- Xiaobo Zhang
- Eye Center, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, PR China.,Zhejiang Provincial Key Laboratory of Ophthalmology, Hangzhou, PR China
| | - Kairan Lai
- Eye Center, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, PR China.,Zhejiang Provincial Key Laboratory of Ophthalmology, Hangzhou, PR China
| | - Su Li
- Eye Center, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, PR China.,Zhejiang Provincial Key Laboratory of Ophthalmology, Hangzhou, PR China
| | - Jing Wang
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, PR China
| | - Jiayong Li
- Eye Center, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, PR China.,Zhejiang Provincial Key Laboratory of Ophthalmology, Hangzhou, PR China
| | - Wei Wang
- Eye Center, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, PR China
| | - Shuang Ni
- Eye Center, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, PR China
| | - Bing Lu
- Eye Center, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, PR China.,Zhejiang Provincial Key Laboratory of Ophthalmology, Hangzhou, PR China
| | - Andrzej Grzybowski
- Department of Ophthalmology, University of Warmia and Mazury, 60-554 Olsztyn, Poland.,Institute for Research in Ophthalmology, Gorczyczewskiego 2/3, 61-553 Poznan, Poland
| | - Jian Ji
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, PR China
| | - Haijie Han
- Eye Center, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, PR China.,Zhejiang Provincial Key Laboratory of Ophthalmology, Hangzhou, PR China
| | - Ke Yao
- Eye Center, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, PR China.,Zhejiang Provincial Key Laboratory of Ophthalmology, Hangzhou, PR China
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23
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Shan J, Wang S, Xu H, Zhan H, Geng Z, Liang H, Dai M. Incorporation of cerium oxide into zirconia toughened alumina ceramic promotes osteogenic differentiation and osseointegration. J Biomater Appl 2021; 36:976-984. [PMID: 34496655 DOI: 10.1177/08853282211036535] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Due to its high wear resistance and good biocompatibility, zirconia toughened alumina (ZTA) is an ideal material used as load-bearing implant. However, ZTA needs to be modified to overcome its bio-inert and thus improve osseointegration. Cerium oxide, which has been proved to be a bone-friendly ceramic, might be a desired material to enhance the bioactivity of ZTA. In this study, ZTA and cerium oxide doped ZTA (ZTAC) were prepared via sintering method. The in vitro study showed that the addition of cerium oxide promoted MC3T3-E1 cell adhesion and spreading through upregulating ITG α5 and ITG β1. In addition, the incorporation of cerium oxide enhanced cell proliferation, ALP activity, and ECM mineralization capacity. Moreover, the incorporation of cerium oxide promoted the expressions of osteogenesis related genes, such as ALP, Col-I, and OCN. The in vivo implantation test via a SD rat model showed that the incorporation of cerium oxide promoted new bone formation and bone-implant integration. In summary, this study provided a new strategy to fabricate bioactive ZTA implant for potential application in orthopedics field.
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Affiliation(s)
- Jing Shan
- Department of Orthopedics, the First Affiliated Hospital of Nanchang University, Artificial Joints Engineering and Technology Research Center of Jiangxi Province, Nanchang, Jiangxi, China
| | - Song Wang
- Department of Orthopedics, the First Affiliated Hospital of Nanchang University, Artificial Joints Engineering and Technology Research Center of Jiangxi Province, Nanchang, Jiangxi, China
| | - Huaen Xu
- Department of Orthopedics, the First Affiliated Hospital of Nanchang University, Artificial Joints Engineering and Technology Research Center of Jiangxi Province, Nanchang, Jiangxi, China
| | - Haibo Zhan
- Department of Orthopedics, the First Affiliated Hospital of Nanchang University, Artificial Joints Engineering and Technology Research Center of Jiangxi Province, Nanchang, Jiangxi, China
| | - Zhen Geng
- Institute of Translational Medicine, Shanghai University, Shanghai, China
| | - Hanqin Liang
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, China
| | - Min Dai
- Department of Orthopedics, the First Affiliated Hospital of Nanchang University, Artificial Joints Engineering and Technology Research Center of Jiangxi Province, Nanchang, Jiangxi, China
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