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Vasincu A, Rusu RN, Ababei DC, Neamțu M, Arcan OD, Macadan I, Beșchea Chiriac S, Bild W, Bild V. Exploring the Therapeutic Potential of Cannabinoid Receptor Antagonists in Inflammation, Diabetes Mellitus, and Obesity. Biomedicines 2023; 11:1667. [PMID: 37371762 DOI: 10.3390/biomedicines11061667] [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: 04/18/2023] [Revised: 05/31/2023] [Accepted: 06/06/2023] [Indexed: 06/29/2023] Open
Abstract
Recently, research has greatly expanded the knowledge of the endocannabinoid system (ECS) and its involvement in several therapeutic applications. Cannabinoid receptors (CBRs) are present in nearly every mammalian tissue, performing a vital role in different physiological processes (neuronal development, immune modulation, energy homeostasis). The ECS has an essential role in metabolic control and lipid signaling, making it a potential target for managing conditions such as obesity and diabetes. Its malfunction is closely linked to these pathological conditions. Additionally, the immunomodulatory function of the ECS presents a promising avenue for developing new treatments for various types of acute and chronic inflammatory conditions. Preclinical investigations using peripherally restricted CBR antagonists that do not cross the BBB have shown promise for the treatment of obesity and metabolic diseases, highlighting the importance of continuing efforts to discover novel molecules with superior safety profiles. The purpose of this review is to examine the roles of CB1R and CB2Rs, as well as their antagonists, in relation to the above-mentioned disorders.
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Affiliation(s)
- Alexandru Vasincu
- Department of Pharmacodynamics and Clinical Pharmacy, "Grigore T. Popa" University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania
| | - Răzvan-Nicolae Rusu
- Department of Pharmacodynamics and Clinical Pharmacy, "Grigore T. Popa" University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania
| | - Daniela-Carmen Ababei
- Department of Pharmacodynamics and Clinical Pharmacy, "Grigore T. Popa" University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania
| | - Monica Neamțu
- Department of Pharmacodynamics and Clinical Pharmacy, "Grigore T. Popa" University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania
| | - Oana Dana Arcan
- Department of Pharmacodynamics and Clinical Pharmacy, "Grigore T. Popa" University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania
| | - Ioana Macadan
- Department of Pharmacodynamics and Clinical Pharmacy, "Grigore T. Popa" University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania
| | - Sorin Beșchea Chiriac
- Department of Toxicology, "Ion Ionescu de la Brad" University of Life Sciences, 8 M. Sadoveanu Alley, 700489 Iasi, Romania
| | - Walther Bild
- Department of Physiology, "Grigore T. Popa" University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania
- Center of Biomedical Research of the Romanian Academy, 700506 Iasi, Romania
| | - Veronica Bild
- Department of Pharmacodynamics and Clinical Pharmacy, "Grigore T. Popa" University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania
- Center of Biomedical Research of the Romanian Academy, 700506 Iasi, Romania
- Center for Advanced Research and Development in Experimental Medicine (CEMEX), "Grigore T. Popa" University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania
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Huang S, Xu D, Zhang L, Hao L, Jia Y, Zhang X, Cheng T, Chen J. Therapeutic Effects of Curcumin Liposomes and Nanocrystals on Inflammatory Osteolysis: In Vitro and In Vivo Comparative Study. Pharmacol Res 2023; 192:106778. [PMID: 37094714 DOI: 10.1016/j.phrs.2023.106778] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 04/20/2023] [Accepted: 04/20/2023] [Indexed: 04/26/2023]
Abstract
Curcumin could inhibit periprosthetic osteolysis induced by wear debris and adherent endotoxin, which commonly cause prosthesis loosening and negatively influence the long-term survival of joint arthroplasty. However, its limited water solubility and poor stability pose challenges for its further clinical application. To address these issues, we developed curcumin liposomes for intraarticular injection, as liposomes possess good lubricant capacity and pharmacological synergy with curcumin. Additionally, a nanocrystal dosage form was prepared to enable comparison with the liposomes based on their ability to disperse curcumin effectively. A microfluidic method was used for its controllability, repeatability, and scalability. The Box-Behnken Design was employed to screen the formulations and flow parameters, while computational fluid dynamics was used to simulate the mixing process and predict the formation of liposomes. The optimized curcumin liposomes (Cur-LPs) had a size of 132.9nm and an encapsulation efficiency of 97.1%, whereas the curcumin nanocrystals (Cur-NCs) had a size of 172.3nm. Both Cur-LPs and Cur-NCs inhibited LPS-induced pro-inflammatory polarization of macrophages and reduced the expression and secretion of inflammatory factors. The mouse air pouch model further demonstrated that both dosage forms attenuated inflammatory cell infiltration and inflammatory fibrosis in subcutaneous tissues. Interestingly, the anti-inflammatory effect of Cur-LPs was more potent than that of Cur-NCs, both in vitro and in vivo, although the cellular uptake of Cur-NCs was quicker. In conclusion, the results demonstrate that Cur-LPs have great potential for the clinical treatment of inflammatory osteolysis and that the therapeutic effect is closely related to the liposomal dosage form.
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Affiliation(s)
- Shan Huang
- School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China
| | - Dongdong Xu
- Department of Orthopaedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Li Zhang
- Instrumental Analysis Center, Shanghai Jiao Tong University, No.800, Shanghai, China
| | - Liang Hao
- Department of Orthopaedic Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Yujie Jia
- School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China
| | - Xianlong Zhang
- Department of Orthopaedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Tao Cheng
- Department of Orthopaedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jian Chen
- School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China
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Wang P, Shang GQ, Xiang S, Zhang HN, Wang YZ, Xu H. Zoledronic acid and teriparatide have a complementary therapeutic effect on aseptic loosening in a rabbit model. BMC Musculoskelet Disord 2021; 22:580. [PMID: 34167511 PMCID: PMC8223324 DOI: 10.1186/s12891-021-04458-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 06/11/2021] [Indexed: 11/24/2022] Open
Abstract
Background Revisions are mainly caused by wear debris-induced aseptic loosening. How to effectively suppress debris-induced periprosthetic osteolysis has become an urgent problem. Both zoledronic acid and teriparatide can increase the bone mass around prostheses and increase the stability of prostheses. A hypothesis was proposed: the combination of the two drugs may have a better treatment effect than the use of either drug alone. Methods We created a rabbit model to study the effect and mechanism of the combination of zoledronic acid and teriparatide in the treatment of aseptic loosening. Thirty-two adult male New Zealand white rabbits were selected and treated with TKA surgery, and a titanium rod prosthesis coated evenly with micrometre-sized titanium debris was implanted into the right femoral medullary cavity. All rabbits were randomized into four groups (control group = 8, zoledronic acid group = 8, teriparatide group = 8, and zoledronic acid + teriparatide group = 8). All the animals were sacrificed in the 12th week, and X-ray analyses, H&E staining, Goldner-Masson trichrome staining, von Kossa staining, and RT-PCR and Western blotting of the mRNA and protein of OCN, OPG, RANKL and TRAP5b in the interface membrane tissues around the prostheses were immediately carried out. Results The results shown that both zoledronic acid and teriparatide could inhibit debris-induced peri-prosthetic osteolysis and promote new bone formation. Zoledronic acid was more capable of inhibiting osteoclast activation and peri-prosthetic osteolysis, while teriparatide was more capable of promoting osteoblast function and peri-prosthetic bone integration. Conclusion This research confirmed that the combination of zoledronic acid and teriparatide could prevent and treat aseptic loosening of the prosthesis more effectively. However, the safety of this combination and the feasibility of long-term application have not been ensured, and the clinical application requires further experiments and clinical research support. Supplementary Information The online version contains supplementary material available at 10.1186/s12891-021-04458-4.
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Affiliation(s)
- Peng Wang
- Department of Joint Surgery, The Affiliated Hospital of Qingdao University, Qingdao, 266000, Shandong, China
| | - Guang-Qian Shang
- Department of Joint Surgery, The Affiliated Hospital of Qingdao University, Qingdao, 266000, Shandong, China
| | - Shuai Xiang
- Department of Joint Surgery, The Affiliated Hospital of Qingdao University, Qingdao, 266000, Shandong, China
| | - Hai-Ning Zhang
- Department of Joint Surgery, The Affiliated Hospital of Qingdao University, Qingdao, 266000, Shandong, China
| | - Ying-Zhen Wang
- Department of Joint Surgery, The Affiliated Hospital of Qingdao University, Qingdao, 266000, Shandong, China
| | - Hao Xu
- Department of Joint Surgery, The Affiliated Hospital of Qingdao University, Qingdao, 266000, Shandong, China.
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An D, Peigneur S, Hendrickx LA, Tytgat J. Targeting Cannabinoid Receptors: Current Status and Prospects of Natural Products. Int J Mol Sci 2020; 21:E5064. [PMID: 32709050 PMCID: PMC7404216 DOI: 10.3390/ijms21145064] [Citation(s) in RCA: 83] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 07/14/2020] [Accepted: 07/15/2020] [Indexed: 02/07/2023] Open
Abstract
Cannabinoid receptors (CB1 and CB2), as part of the endocannabinoid system, play a critical role in numerous human physiological and pathological conditions. Thus, considerable efforts have been made to develop ligands for CB1 and CB2, resulting in hundreds of phyto- and synthetic cannabinoids which have shown varying affinities relevant for the treatment of various diseases. However, only a few of these ligands are clinically used. Recently, more detailed structural information for cannabinoid receptors was revealed thanks to the powerfulness of cryo-electron microscopy, which now can accelerate structure-based drug discovery. At the same time, novel peptide-type cannabinoids from animal sources have arrived at the scene, with their potential in vivo therapeutic effects in relation to cannabinoid receptors. From a natural products perspective, it is expected that more novel cannabinoids will be discovered and forecasted as promising drug leads from diverse natural sources and species, such as animal venoms which constitute a true pharmacopeia of toxins modulating diverse targets, including voltage- and ligand-gated ion channels, G protein-coupled receptors such as CB1 and CB2, with astonishing affinity and selectivity. Therefore, it is believed that discovering novel cannabinoids starting from studying the biodiversity of the species living on planet earth is an uncharted territory.
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Affiliation(s)
| | | | | | - Jan Tytgat
- Toxicology and Pharmacology, KU Leuven, Campus Gasthuisberg, O&N 2, Herestraat 49, P.O. Box 922, 3000 Leuven, Belgium; (D.A.); (S.P.); (L.A.H.)
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Li W, Sun Y. Nrf2 is required for suppressing osteoclast RANKL-induced differentiation in RAW 264.7 cells via inactivating cannabinoid receptor type 2 with AM630. Regen Ther 2020; 14:191-195. [PMID: 32154333 PMCID: PMC7056625 DOI: 10.1016/j.reth.2020.02.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Accepted: 02/01/2020] [Indexed: 01/01/2023] Open
Abstract
OBJECTIVE Nuclear factor-erythroid 2-related factor 2 (Nrf2) is shown to as a negative-regulatory cause in osteoclasts differentiation. Cannabinoid receptor type 2 (CB2) is verified to regulate osteoclast differentiation, though with diversed results. METHODS In current research, we studied the Nrf2 role on osteoclast differentiation regulation with the CB2-selective agonists, AM1241, or CB2-selective antagonist, AM630, in RAW 264.7 macrophages. The nuclear factor-κB ligand (RANKL)-induced osteoclast differentiation activator was confirmed by tartrate-resistant acid phosphatase (TRAP) staining as well as the TRAP activity analysis. In addition, Nrf2 siRNA was used to characterize the function of Nrf2 during osteoclast differentiation. We analyzed HO-1 and Nrf2 proteins levels with western blotting. RESULTS The results showed that AM1241 promoted, while AM630 suppressed, osteoclast differentiation in RAW 264.7 cells. Both AM1241 and AM630 increased the expressions of HO-1 and Nrf2. Nrf2 silencing promoted osteoclast differentiation and abolished the function of AM630 to inhibit osteoclast differentiation. CONCLUSIONS Our results suggested that Nrf2 was required for inhibiting osteoclast differentiation induced by RANKL of RAW 264.7 cells by AM630, which may provide the insights of a novel method to treat osteoclastogenic bone disease.
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Affiliation(s)
- Wan Li
- Geriatric Cardiovascular Department, The First Hospital Affiliated to China Medical University, Shenyang, Liaoning, China
| | - Yongxin Sun
- Department of Rehabilitation, The First Hospital Affiliated to China Medical University, Shenyang, Liaoning, China
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Wang G, Zhang P, Zhao J. Endotoxin Contributes to Artificial Loosening of Prostheses Induced by Titanium Particles. Med Sci Monit 2018; 24:7001-7006. [PMID: 30277224 PMCID: PMC6180935 DOI: 10.12659/msm.910039] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Background Aseptic loosening of orthopedic implants caused by wear particles is a major cause of joint replacement failure. However, the mechanism of aseptic loosening has not yet been defined. The present study explored whether endotoxin adherent on the titanium (Ti) particles contributes to aseptic loosening. Material/Methods Limulus amebocyte lysate detection was conducted to detect the levels of endotoxin adhered to the Ti particles. A mouse air pouches model was established and mice were divided into 4 groups and injected with phosphate-buffered saline (PBS) or Ti particles suspensions (0.1, 1, 10 mg/mL), following detection of the number of macrophages and the level of endotoxin. Scanning electron microscopy (SEM) was used to characterize the microstructures of Ti particles adhered with endotoxin. Results In vitro experiments showed that the level of endotoxin adhered to the Ti particles was significantly increased after adding LPS back to these “endotoxin-free” particles. In vivo experiments showed that Ti particles injection significantly increased the number of macrophages and the level of endotoxin. Conclusions In conclusion, these results suggest that adherent endotoxin may play an important role in aseptic loosening induced by Ti particles.
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Affiliation(s)
- Guihua Wang
- Jinling Clinical Medical College, Nanjing Medical University, Nanjing, Jiangsu, China (mainland).,Department of Orthopedics, Nanjing Pukou Central Hospital, Nanjing, Jiangsu, China (mainland)
| | - Pin Zhang
- Jinling Clinical Medical College, Nanjing Medical University, Nanjing, Jiangsu, China (mainland)
| | - Jianning Zhao
- Jinling Clinical Medical College, Nanjing Medical University, Nanjing, Jiangsu, China (mainland)
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Kurcz B, Lyons J, Sayeed Z, Anoushiravani AA, Iorio R. Osteolysis as it Pertains to Total Hip Arthroplasty. Orthop Clin North Am 2018; 49:419-435. [PMID: 30224004 DOI: 10.1016/j.ocl.2018.06.001] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Osteolysis is a long-term complication of total hip arthroplasty (THA). As the projected number of THAs performed annually increases, osteolysis will likely continue to occur. However, because of advancements in prosthesis design, metallurgy, and enhanced bearing surfaces, fewer revision THAs will be linked to osteolysis and aseptic loosening. Despite these improvements, no preventative therapies are currently available for the management of osteolysis other than removing and replacing the source of bearing wear.
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Affiliation(s)
- Brian Kurcz
- Division of Orthopaedic Surgery, Southern Illinois University, 701 North 1st Street, Springfield, IL 62781, USA
| | - Joseph Lyons
- Department of Surgery, Chicago Medical School, 3333 Green Bay Road, North Chicago, IL 60064, USA
| | - Zain Sayeed
- Department of Orthopaedic Surgery, Detroit Medical Center, 4201 Saint Antoine, Detroit, MI 48201, USA
| | - Afshin A Anoushiravani
- Division of Orthopaedic Surgery, Albany Medical Center, 43 New Scotland, Albany, NY, USA
| | - Richard Iorio
- Division of Orthopaedic Surgery, Albany Medical Center, 43 New Scotland, Albany, NY, USA.
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Synthesis and biological evaluation of ferrocene-based cannabinoid receptor 2 ligands. Future Med Chem 2018; 10:631-638. [DOI: 10.4155/fmc-2017-0200] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Ferrocene analogs of known fatty acid amide hydrolase inhibitors and CB2 ligands have been synthesized and characterized spectroscopically and crystallographically. The resulting bio-organometallic isoxazoles were assayed for their effects on CB1 and CB2 receptors as well as on fatty acid amide hydrolase. None had any fatty acid amide hydrolase activity but compound 3, 5-(2-(pentyloxy)phenyl)-N-ferrocenylisoxazole-3-carboxamide, was found to be a potent CB2 ligand (Ki = 32.5 nM).
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Tuo W, Bollier M, Leleu-Chavain N, Lemaire L, Barczyk A, Dezitter X, Klupsch F, Szczepanski F, Spencer J, Chavatte P, Millet R. Development of novel oxazolo[5,4-d]pyrimidines as competitive CB2 neutral antagonists based on scaffold hopping. Eur J Med Chem 2018; 146:68-78. [DOI: 10.1016/j.ejmech.2018.01.034] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Revised: 01/10/2018] [Accepted: 01/11/2018] [Indexed: 10/18/2022]
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Liu G, Guo T, Zhang Y, Liu N, Chen J, Chen J, Zhang J, Zhao J. Apoptotic pathways of macrophages within osteolytic interface membrane in periprosthestic osteolysis after total hip replacement. APMIS 2017; 125:565-578. [PMID: 28345781 DOI: 10.1111/apm.12679] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2016] [Accepted: 01/10/2017] [Indexed: 12/27/2022]
Abstract
Macrophage apoptosis in interface membrane, which occurs through either death receptor, mitochondrion, or endoplasmic reticulum (ER) stress pathways, has been suggested to play an important role in promoting osteolysis. However, how and why macrophage apoptosis originates and the correlation among these apoptotic pathways is not yet clear. The objective of this study was to identify the apoptotic mechanism of macrophages, and to explore the relationship between the apoptotic pathways and progression of osteolysis. Transmission electron microscopy (TEM) was utilized to analyze the tissue ultrastructure of wear particles, and in situ apoptotic macrophage identification was performed by TUNEL staining. We analyzed the expression of the key biomarkers of apoptotic pathways via immunohistochemistry and Western blotting. Our results demonstrated that the majority of wear particles within osteolytic interface membrane was in the 30-60 nm range, and that macrophage apoptotic ratio increased along with osteolysis progression. Normal hip dysplasia and mechanical loosening of tissues showed low expression levels of biomarkers for ER stress (Ca2+ , JNK, cleaved Caspase-4, IRE1-α, Grp78/Bip, and CHOP), mitochondrion (Bcl-2, Bax, and Cytochrome c), and death receptor (Fas and cleaved Caspase-8) pathways, while osteolytic interface membrane tissues expressed high levels of these biomarkers. In addition, we found that the ER stress intensity was in complete conformity with mitochondrial dysfunction and was consistent with the results of death receptor activation. Thus, our findings suggested that wear particles generated at implant interface can accelerate macrophage apoptosis through changes in apoptotic pathways and ultimately aggravate the symptom of osteolysis. These data represent a preferential apoptotic signaling pathway of macrophages as specific target points for the prevention and therapeutic modulation of periprosthetic osteolysis.
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Affiliation(s)
- Guoyin Liu
- Department of Orthopaedics, Jinling Hospital affiliated to School of Medicine, Nanjing University and State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, China.,Department of Orthopaedics, Bayi Hospital Affiliated Nanjing University of Chinese Medicine, Nanjing, China
| | - Ting Guo
- Department of Orthopaedics, Jinling Hospital affiliated to School of Medicine, Nanjing University and State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, China
| | - Yong Zhang
- Department of Orthopaedics, Bayi Hospital Affiliated Nanjing University of Chinese Medicine, Nanjing, China
| | - Naicheng Liu
- Department of Orthopaedics, Jinling Hospital affiliated to School of Medicine, Nanjing University and State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, China
| | - Jiangning Chen
- Department of Orthopaedics, Jinling Hospital affiliated to School of Medicine, Nanjing University and State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, China
| | - Jianmin Chen
- Department of Orthopaedics, Bayi Hospital Affiliated Nanjing University of Chinese Medicine, Nanjing, China
| | - Junfeng Zhang
- Department of Orthopaedics, Jinling Hospital affiliated to School of Medicine, Nanjing University and State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, China
| | - Jianning Zhao
- Department of Orthopaedics, Jinling Hospital affiliated to School of Medicine, Nanjing University and State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, China
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Veronesi F, Tschon M, Fini M. Gene Expression in Osteolysis: Review on the Identification of Altered Molecular Pathways in Preclinical and Clinical Studies. Int J Mol Sci 2017; 18:E499. [PMID: 28245614 PMCID: PMC5372515 DOI: 10.3390/ijms18030499] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2017] [Revised: 02/20/2017] [Accepted: 02/21/2017] [Indexed: 02/06/2023] Open
Abstract
Aseptic loosening (AL) due to osteolysis is the primary cause of joint prosthesis failure. Currently, a second surgery is still the only available treatment for AL, with its associated drawbacks. The present review aims at identifying genes whose expression is altered in osteolysis, and that could be the target of new pharmacological treatments, with the goal of replacing surgery. This review also aims at identifying the molecular pathways altered by different wear particles. We reviewed preclinical and clinical studies from 2010 to 2016, analyzing gene expression of tissues or cells affected by osteolysis. A total of 32 in vitro, 16 in vivo and six clinical studies were included. These studies revealed that genes belonging to both inflammation and osteoclastogenesis pathways are mainly involved in osteolysis. More precisely, an increase in genes encoding for the following factors were observed: Interleukins 6 and 1β (IL16 and β), Tumor Necrosis Factor α (TNFα), nuclear factor kappa-light-chain-enhancer of activated B cells (NFκB), Nuclear factor of activated T-cells, cytoplasmic 1 (NFATC1), Cathepsin K (CATK) and Tartrate-resistant acid phosphatase (TRAP). Titanium (Ti) and Polyethylene (PE) were the most studied particles, showing that Ti up-regulated inflammation and osteoclastogenesis related genes, while PE up-regulated primarily osteoclastogenesis related genes.
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Affiliation(s)
- Francesca Veronesi
- Laboratory of Preclinical and Surgical Studies, Rizzoli Orthopedic Institute, via di Barbiano 1/10, 40136 Bologna, Italy.
| | - Matilde Tschon
- Laboratory of Preclinical and Surgical Studies, Rizzoli Orthopedic Institute, via di Barbiano 1/10, 40136 Bologna, Italy.
| | - Milena Fini
- Laboratory of Preclinical and Surgical Studies, Rizzoli Orthopedic Institute, via di Barbiano 1/10, 40136 Bologna, Italy.
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Libro R, Diomede F, Scionti D, Piattelli A, Grassi G, Pollastro F, Bramanti P, Mazzon E, Trubiani O. Cannabidiol Modulates the Expression of Alzheimer's Disease-Related Genes in Mesenchymal Stem Cells. Int J Mol Sci 2016; 18:E26. [PMID: 28025562 PMCID: PMC5297661 DOI: 10.3390/ijms18010026] [Citation(s) in RCA: 64] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Revised: 12/13/2016] [Accepted: 12/19/2016] [Indexed: 12/24/2022] Open
Abstract
Mesenchymal stem cells (MSCs) have emerged as a promising tool for the treatment of several neurodegenerative disorders, including Alzheimer's disease (AD). The main neuropathological hallmarks of AD are senile plaques, composed of amyloid beta (Aβ), and neurofibrillary tangles, formed by hyperphosphorylated tau. However, current therapies for AD have shown limited efficacy. In this study, we evaluated whether pre-treatment with cannabidiol (CBD), at 5 μM concentration, modulated the transcriptional profile of MSCs derived from gingiva (GMSCs) in order to improve their therapeutic potential, by performing a transcriptomic analysis by the next-generation sequencing (NGS) platform. By comparing the expression profiles between GMSCs treated with CBD (CBD-GMSCs) and control GMSCs (CTR-GMSCs), we found that CBD led to the downregulation of genes linked to AD, including genes coding for the kinases responsible of tau phosphorylation and for the secretases involved in Aβ generation. In parallel, immunocytochemistry analysis has shown that CBD inhibited the expression of GSK3β, a central player in AD pathogenesis, by promoting PI3K/Akt signalling. In order to understand through which receptor CBD exerted these effects, we have performed pre-treatments with receptor antagonists for the cannabinoid receptors (SR141716A and AM630) or for the vanilloid receptor 1 (TRPVI). Here, we have proved that TRPV1 was able to mediate the modulatory effect of CBD on the PI3K/Akt/GSK3β axis. In conclusion, we have found that pre-treatment with CBD prevented the expression of proteins potentially involved in tau phosphorylation and Aβ production in GMSCs. Therefore, we suggested that GMSCs preconditioned with CBD possess a molecular profile that might be more beneficial for the treatment of AD.
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Affiliation(s)
- Rosaliana Libro
- IRCCS Centro Neurolesi "Bonino-Pulejo", via Provinciale Palermo, Contrada Casazza, 98124 Messina, Italy.
| | - Francesca Diomede
- Stem Cells and Regenerative Medicine Laboratory, Department of Medical, Oral and Biotechnological Sciences, University "G. D'Annunzio", Chieti-Pescara, via dei Vestini, 31, 66100 Chieti, Italy.
| | - Domenico Scionti
- IRCCS Centro Neurolesi "Bonino-Pulejo", via Provinciale Palermo, Contrada Casazza, 98124 Messina, Italy.
| | - Adriano Piattelli
- Stem Cells and Regenerative Medicine Laboratory, Department of Medical, Oral and Biotechnological Sciences, University "G. D'Annunzio", Chieti-Pescara, via dei Vestini, 31, 66100 Chieti, Italy.
| | - Gianpaolo Grassi
- Council for Research and Experimentation in Agriculture-Research Centre for Industrial Crops (CREA-CIN), 45100 Rovigo, Italy.
| | - Federica Pollastro
- Dipartimento di Scienze del Farmaco, Universita del Piemonte Orientale, Largo Donegani 2, 28100 Novara, Italy.
| | - Placido Bramanti
- IRCCS Centro Neurolesi "Bonino-Pulejo", via Provinciale Palermo, Contrada Casazza, 98124 Messina, Italy.
| | - Emanuela Mazzon
- IRCCS Centro Neurolesi "Bonino-Pulejo", via Provinciale Palermo, Contrada Casazza, 98124 Messina, Italy.
| | - Oriana Trubiani
- Stem Cells and Regenerative Medicine Laboratory, Department of Medical, Oral and Biotechnological Sciences, University "G. D'Annunzio", Chieti-Pescara, via dei Vestini, 31, 66100 Chieti, Italy.
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Sansook S, Tuo W, Lemaire L, Tourteau A, Barczyk A, Dezitter X, Klupsch F, Leleu-Chavain N, Tizzard GJ, Coles SJ, Millet R, Spencer J. Synthesis of Bioorganometallic Nanomolar-Potent CB2 Agonists Containing a Ferrocene Unit. Organometallics 2016. [DOI: 10.1021/acs.organomet.6b00575] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Supojjanee Sansook
- Department
of Chemistry, School of Life Sciences, University of Sussex, Falmer, Brighton, East Sussex BN1 9QJ, U.K
| | - Wei Tuo
- ICPAL, Univ. Lille, Inserm, U995-LIRIC-Lille Inflammation Research International Center, 3 Rue du Professeur
Laguesse, BP83, F-59006 Lille, France
| | - Lucas Lemaire
- ICPAL, Univ. Lille, Inserm, U995-LIRIC-Lille Inflammation Research International Center, 3 Rue du Professeur
Laguesse, BP83, F-59006 Lille, France
| | - Aurélien Tourteau
- ICPAL, Univ. Lille, Inserm, U995-LIRIC-Lille Inflammation Research International Center, 3 Rue du Professeur
Laguesse, BP83, F-59006 Lille, France
| | - Amélie Barczyk
- ICPAL, Univ. Lille, Inserm, U995-LIRIC-Lille Inflammation Research International Center, 3 Rue du Professeur
Laguesse, BP83, F-59006 Lille, France
| | - Xavier Dezitter
- ICPAL, Univ. Lille, Inserm, U995-LIRIC-Lille Inflammation Research International Center, 3 Rue du Professeur
Laguesse, BP83, F-59006 Lille, France
| | - Frédérique Klupsch
- ICPAL, Univ. Lille, Inserm, U995-LIRIC-Lille Inflammation Research International Center, 3 Rue du Professeur
Laguesse, BP83, F-59006 Lille, France
| | - Natascha Leleu-Chavain
- ICPAL, Univ. Lille, Inserm, U995-LIRIC-Lille Inflammation Research International Center, 3 Rue du Professeur
Laguesse, BP83, F-59006 Lille, France
| | - Graham J. Tizzard
- UK
National Crystallography Service, School of Chemistry, University of Southampton, Highfield, Southampton, SO17 1BJ, U.K
| | - Simon J. Coles
- UK
National Crystallography Service, School of Chemistry, University of Southampton, Highfield, Southampton, SO17 1BJ, U.K
| | - Régis Millet
- ICPAL, Univ. Lille, Inserm, U995-LIRIC-Lille Inflammation Research International Center, 3 Rue du Professeur
Laguesse, BP83, F-59006 Lille, France
| | - John Spencer
- Department
of Chemistry, School of Life Sciences, University of Sussex, Falmer, Brighton, East Sussex BN1 9QJ, U.K
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Endoplasmic reticulum stress-mediated inflammatory signaling pathways within the osteolytic periosteum and interface membrane in particle-induced osteolysis. Cell Tissue Res 2015; 363:427-47. [PMID: 26004143 PMCID: PMC4735257 DOI: 10.1007/s00441-015-2205-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2014] [Accepted: 04/23/2015] [Indexed: 12/29/2022]
Abstract
Aseptic loosening secondary to periprosthetic inflammatory osteolysis results from the biological response to wear particles and is a leading cause of arthroplasty failure. The origin of this inflammatory response remains unclear. We aim to validate the definite link between endoplasmic reticulum (ER) stress and particle-induced inflammatory signaling pathways in periprosthetic osteolysis. We examine the histopathologic changes of osteolysis and the expression of specific biomarkers for ER-stress-mediated inflammatory signaling pathways (IRE1α, GRP78/Bip, c-Fos, NF-κB, ROS and Ca(2+)). Moreover, pro-inflammatory cytokines (TNF-α, IL-1β and IL-6) and osteoclastogenic molecules (VEGF, OPG, RANKL and M-CSF) were assessed in clinical interface membranes and murine periosteum tissues. We found wear particles to be capable of inducing ER stress in macrophages within clinical osteolytic interface membranes and murine osteolytic periosteum tissues and to be associated with the inflammatory response and osteoclastogenesis. Blocking ER stress with sodium 4-phenylbutyrate (4-PBA) results in a dramatic amelioration of particle-induced osteolysis and a significant reduction of ER-stress intensity. Simultaneously, this ER-stress blocker also lessens inflammatory cell infiltration, diminishes the capability of osteoclastogenesis and reduces the inflammatory response by lowering IRE1α, GRP78/Bip, c-Fos, NF-κB, ROS and Ca(2+) levels. Thus, ER stress plays an important role in particle-induced inflammatory osteolysis and osteoclastogenic reactions. The pharmacological targeting of ER-stress-mediated inflammatory signaling pathways might be an appealing approach for alleviating or preventing particle-induced osteolysis in at-risk patients.
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15
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Wear Particles Impair Antimicrobial Activity Via Suppression of Reactive Oxygen Species Generation and ERK1/2 Phosphorylation in Activated Macrophages. Inflammation 2015; 38:1289-96. [DOI: 10.1007/s10753-014-0099-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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16
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Smith RL, Schwarz EM. Are biologic treatments a potential approach to wear- and corrosion-related problems? Clin Orthop Relat Res 2014; 472:3740-6. [PMID: 24993143 PMCID: PMC4397762 DOI: 10.1007/s11999-014-3765-9] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
WHERE ARE WE NOW?: Biological treatments, defined as any nonsurgical intervention whose primary mechanism of action is reducing the host response to wear and/or corrosion products, have long been postulated as solutions for osteolysis and aseptic loosening of total joint arthroplasties. Despite extensive research on drugs that target the inflammatory, osteoclastic, and osteogenic responses to wear debris, no biological treatment has emerged as an approved therapy. We review the extensive preclinical research and modest clinical research to date, which has led to the central conclusion that the osteoclast is the primary target. We also allude to the significant changes in health care, unabated safety concerns about chronic immunosuppressive/antiinflammatory therapies, industry's complete lack of interest in developing an intervention for this condition, and the practical issues that have narrowly focused the possibilities for a biologic treatment for wear debris-induced osteolysis. WHERE DO WE NEED TO GO?: Based on the conclusions from research, and the economic, regulatory, and practical issues that limit the future directions toward the development of a biologic treatment, there are a few rational approaches that warrant investigation. These largely focus on FDA-approved osteoporosis therapies that target the osteoclast (bisphosphonates and anti-RANK ligand) and recombinant parathyroid hormone (teriparatide) prophylactic treatment to increase osseous integration of the prosthesis to overcome high-risk susceptibility to aseptic loosening. The other roadblock that must be overcome if there is to be an approved biologic therapy to prevent the progression of periprosthetic osteolysis and aseptic loosening is the development of radiological measures that can quantify a significant drug effect in a randomized, placebo-controlled clinical trial. We review the progress of volumetric quantification of osteolysis in animal studies and clinical pilots. HOW DO WE GET THERE?: Accepting the aforementioned rigid boundaries, we describe the emergence of repurposing FDA-approved drugs for new indications and public (National Institutes of Health, FDA, Centers for Disease Control and Prevention) and private (universities and drug and device manufactures) partnerships as the future roadmap for clinical translation. In the case of biologic treatments for wear debris-induced osteolysis, this will involve combined federal and industry funding of multicenter clinical trials that will be run by thought leaders at large medical centers.
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Affiliation(s)
- R. Lane Smith
- Department of Orthopaedic Surgery, Stanford University, Redwood City, CA USA
| | - Edward M. Schwarz
- Department of Orthopaedics, University of Rochester, Rochester, NY USA ,The Center for Musculoskeletal Research, University of Rochester Medical Center, 601 Elmwood Avenue, Box 665, Rochester, NY 14642 USA
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17
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Cui J, Zhu M, Zhu S, Wang G, Xu Y, Geng D. Inhibitory effect of icariin on Ti-induced inflammatory osteoclastogenesis. J Surg Res 2014; 192:447-53. [DOI: 10.1016/j.jss.2014.05.038] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2013] [Revised: 03/21/2014] [Accepted: 05/16/2014] [Indexed: 02/07/2023]
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18
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Chen M, Chen PM, Dong QR, Huang Q, She C, Xu W. p38 signaling in titanium particle-induced MMP-2 secretion and activation in differentiating MC3T3-E1 cells. J Biomed Mater Res A 2013; 102:2824-32. [PMID: 24115593 DOI: 10.1002/jbm.a.34956] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2013] [Revised: 09/09/2013] [Accepted: 09/09/2013] [Indexed: 12/18/2022]
Affiliation(s)
- Ming Chen
- Department of Orthopedics; Second Affiliated Hospital of Soochow University; 1055, Sanxiang Road Suzhou 215004, Jiangsu People's Republic of China
| | - Pei-Min Chen
- Department of Orthopedics; Second Affiliated Hospital of Soochow University; 1055, Sanxiang Road Suzhou 215004, Jiangsu People's Republic of China
| | - Qi-Rong Dong
- Department of Orthopedics; Second Affiliated Hospital of Soochow University; 1055, Sanxiang Road Suzhou 215004, Jiangsu People's Republic of China
| | - Qun Huang
- Department of Orthopedics; Second Affiliated Hospital of Soochow University; 1055, Sanxiang Road Suzhou 215004, Jiangsu People's Republic of China
| | - Chang She
- Department of Orthopedics; Second Affiliated Hospital of Soochow University; 1055, Sanxiang Road Suzhou 215004, Jiangsu People's Republic of China
| | - Wei Xu
- Department of Orthopedics; Second Affiliated Hospital of Soochow University; 1055, Sanxiang Road Suzhou 215004, Jiangsu People's Republic of China
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19
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Idris AI. The promise and dilemma of cannabinoid therapy: lessons from animal studies of bone disease. BONEKEY REPORTS 2012; 1:224. [PMID: 24363927 DOI: 10.1038/bonekey.2012.224] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2012] [Revised: 10/12/2012] [Accepted: 10/16/2012] [Indexed: 12/28/2022]
Abstract
The endocannabinoid system plays an important role in numerous physiological processes and represents a potential drug target for diseases ranging from brain disorders to cancer. Recent preclinical studies implicated endocannabinoids and their receptors in the regulation of bone cell activity and in the pathogenesis of bone loss. Cells and intervening nerves in the skeleton express cannabinoid receptors and the machinery for the synthesis and breakdown of endocannabinoids. In healthy adult mice, pharmacological and genetic inactivation of the cannabinoid type 1 receptor (CB1) and putative cannabinoid receptor GPR55 (G protein-coupled receptor 55) inhibit osteoclastic bone resorption and increase bone mass, suggesting that both receptors have a negative role in early bone development. Although no distinct abnormalities in bone development were observed in healthy adult mice deficient in cannabinoid type 2 receptors (CB2), pharmacological blockage of this receptor was effective in suppressing bone loss associated with increased bone turnover, particularly in mouse models of osteoporosis, arthritis and osteolytic bone disease. In the aging skeleton, CB1 deficiency causes accelerated osteoporosis characterized mainly by a significant reduction in bone formation coupled to enhanced adipocyte accumulation in the bone marrow. A similar acceleration of bone loss was also reported in aging CB2-deficient mice but found to be associated with enhanced bone turnover. This perspective describes the role of cannabinoid ligands and their receptors in bone metabolism and highlights the promise and dilemma of therapeutic exploitation of the endocannabinoid system for treatment of bone disorders.
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Affiliation(s)
- Aymen I Idris
- Bone and Cancer Group, Edinburgh Cancer Research Centre, MRC Institute of Genetics and Molecular Medicine, University of Edinburgh, Western General Hospital , Edinburgh, Scotland, UK
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20
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Beck RT, Illingworth KD, Saleh KJ. Review of periprosthetic osteolysis in total joint arthroplasty: an emphasis on host factors and future directions. J Orthop Res 2012; 30:541-6. [PMID: 21922533 DOI: 10.1002/jor.21554] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2011] [Accepted: 08/24/2011] [Indexed: 02/04/2023]
Abstract
Periprosthetic osteolysis is one of the leading causes of total joint revision procedures. If allowed to progress in the absence of radiographic diagnosis and/or proper medical treatment, osteolysis may result in aseptic loosening yielding failure of the implant and the need for complex revision arthroplasty. The purpose of this review was to assess the current understanding of periprosthetic osteolysis with an emphasis on host factors and future directions. A PubMed search was conducted using the following key words; osteolysis, periprosthetic osteolysis, osteolysis imaging. Pertinent articles, as it pertained to the outline of the review, were selected. Periprosthetic osteolysis stems from numerous risk factors. Osteolysis host characteristic risk factors include gender, body weight, and genetics. Current implant designs have reduced the incidence of this disease; however no current design has been able to replicate the in vivo characteristics and therefore development of wear particles continues to be seen. Advanced methods of imaging diagnosis are on the rise, however early imaging diagnosis is currently ineffective. Pharmacologic intervention appears to be a logical avenue for medical intervention, but no approved drug therapy to prevent or inhibit periprosthetic osteolysis is currently available. Although the rate of periprosthetic osteolysis seems to be decreasing with advances in implant design and increased knowledge of the biological process of wear particle induced osteolysis, the rapid increase in the total number of total joint arthroplasties over the next two decades means that better ways of detecting and treating periprosthetic osteolysis are greatly needed.
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Affiliation(s)
- Ryan T Beck
- Division of Orthopaedics and Rehabilitation, Department of Surgery, School of Medicine, Southern Illinois University, Springfield 62794-9679, IL
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21
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Ding H, Zhu Z, Tang T, Yu D, Yu B, Dai K. Comparison of the cytotoxic and inflammatory responses of titanium particles with different methods for endotoxin removal in RAW264.7 macrophages. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2012; 23:1055-1062. [PMID: 22359211 DOI: 10.1007/s10856-012-4574-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2011] [Accepted: 01/30/2012] [Indexed: 05/31/2023]
Abstract
It is generally accepted that periprosthetic bone resorption is initiated through aseptic inflammation aggravated by wear particles that are generated from artificial joint. However, some studies have demonstrated that "endotoxin-free" wear particles are almost completely unable to stimulate the macrophage-mediated production of proinflammatory cytokines. Here, we compare the titanium particles with different methods of endotoxin removal. The results indicated that different titanium particle preparation dosages did not significantly change particle size, morphology, and chemical composition. But it could cause variations in the endotoxin concentration of titanium particles and inflammatory responses in RAW264.7 macrophages. The particles with higher endotoxin levels correlated with more extensive inflammatory responses. When testing endotoxins using the supernatant of particle suspensions, it would lead to false negative results compared with testing the particle themselves. And when using the particles themselves, all the particles should be removed by centrifugation to avoid particle interference before the absorbance value was determined. Therefore, we suggest that research concerning wear particles should completely describe the endotoxin testing process, including endotoxin removal from particles and the details of endotoxin testing. Moreover, future research should focus on the surface of wear particles (the potential role of adherent endotoxin) rather than the particles themselves.
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Affiliation(s)
- Huifeng Ding
- Department of Orthopaedic Surgery, Shanghai 9th People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, People's Republic of China
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22
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Jin S, Park JY, Hong JM, Kim TH, Shin HI, Park EK, Kim SY. Inhibitory effect of (-)-epigallocatechin gallate on titanium particle-induced TNF-α release and in vivo osteolysis. Exp Mol Med 2011; 43:411-8. [PMID: 21633184 DOI: 10.3858/emm.2011.43.7.045] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Tumor necrosis factor-α (TNF-α) and inflammatory cytokines released from activated macrophages in response to particulate debris greatly impact periprosthetic bone loss and consequent implant failure. In the present study, we found that a major polyphenolic component of green tea, (-)-epigallocatechin gallate (EGCG), inhibited Ti particle-induced TNF-α release in macrophages in vitro and calvarial osteolysis in vivo. The Ti stimulation of macrophages released TNF-α in a dose- and time-dependent manner, and EGCG substantially suppressed Ti particle-induced TNF-α release. Analysis of signaling pathway showed that EGCG inhibited the Ti-induced c-Jun N-terminus kinase (JNK) activation and inhibitory κB (IκB) degradation, and consequently the Ti-induced transcriptional activation of AP-1 and NF-κB. In a mouse calvarial osteolysis model, EGCG inhibited Ti particle-induced osteolysis in vivo by suppressing TNF-a expression and osteoclast formation. Therefore, EGCG may be a potential candidate compound for osteolysis prevention and treatment as well as aseptic loosening after total replacement arthroplasty.
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Affiliation(s)
- Shan Jin
- Skeletal Diseases Genome Research Center Kyungpook National University Hospital
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23
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Geng DC, Zhu XS, Mao HQ, Meng B, Chen L, Yang HL, Xu YZ. Protection against titanium particle-induced osteoclastogenesis by cyclooxygenase-2 selective inhibitor. J Biomed Mater Res A 2011; 99:516-22. [DOI: 10.1002/jbm.a.33197] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2010] [Revised: 05/02/2011] [Accepted: 06/10/2011] [Indexed: 11/08/2022]
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24
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Geng D, Mao H, Wang J, Zhu X, Huang C, Chen L, Yang H, Xu Y. Protective effects of COX-2 inhibitor on titanium-particle-induced inflammatory osteolysis via the down-regulation of RANK/RANKL. Acta Biomater 2011; 7:3216-21. [PMID: 21601661 DOI: 10.1016/j.actbio.2011.05.007] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2010] [Revised: 05/04/2011] [Accepted: 05/06/2011] [Indexed: 11/16/2022]
Abstract
Particle-wear-induced inflammatory osteolysis remains a major problem for the long-term success of total joint arthroplasty. Previous studies have demonstrated that cyclooxygenase-2 (COX-2) is expressed abundantly in the tissue around a failed implant. However, the role of COX-2 in the development of particle-wear-induced osteoclastogenesis remains unclear. The aim of the study was to test the hypothesis that Dynastat, a COX-2 inhibitor, ameliorates particle-wear-induced inflammatory osteoclastogenesis through the down-regulation of the receptor activators of nuclear factor-κB (RANK) and nuclear factor-κB ligand (RANKL) expression in a murine osteolysis model. Titanium (Ti) particles were introduced into established air pouches in BALB/c mice, followed by the implantation of calvaria bone from syngeneic littermates. Dynastat was given to mice intraperitoneally 2 days before the introduction of Ti particles and maintained until the mice were sacrificed. Pouch tissues were collected 14 days after Ti inoculation for molecular and histological analysis. The results showed that Dynastat has more impact on Ti-particle-induced prostaglandin E(2) expression and less on the expression of interleukin-1β and tumor necrosis factor-α. Dynastat inhibited Ti-particle-induced osteoclastogenesis by reducing the gene activation of RANK and RANKL, and diminishing the RANKL expression in Ti-particle-charged pouches. Dynastat markedly reduced the number of tartrate-resistant acid-phosphatase-positive cells in pouch tissues stimulated by Ti particles. In conclusion, this study provides evidence that Dynastat can markedly inhibit Ti-particle-induced osteoclastogenesis by the down-regulation of RANK/RANKL in a murine air pouch model, and is a promising therapeutic candidate for the treatment of inflammatory osteolysis induced by wear particles.
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Affiliation(s)
- Dechun Geng
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, China
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25
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Alhouayek M, Lambert DM, Delzenne NM, Cani PD, Muccioli GG. Increasing endogenous 2-arachidonoylglycerol levels counteracts colitis and related systemic inflammation. FASEB J 2011; 25:2711-21. [PMID: 21551239 DOI: 10.1096/fj.10-176602] [Citation(s) in RCA: 160] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Inflammatory bowel diseases (IBDs) are chronic inflammatory conditions for which new therapeutic approaches are needed. Genetic and pharmacological data point to a protective role of CB(1) and CB(2) cannabinoid receptor activation in IBD experimental models. Therefore, increasing the endogenous levels of 2-arachidonoylglycerol, the main full agonist of these receptors, should have beneficial effects on colitis. 2-Arachidonoylglycerol levels were raised in the trinitrobenzene sulfonic acid (TNBS)-induced colitis mouse model by inhibiting monoacylglycerol lipase (MAGL), the primary enzyme responsible for hydrolysis of 2-arachidonoylglycerol, using the selective inhibitor JZL184. MAGL inhibition in diseased mice increased 2-arachidonoylglycerol levels, leading to a reduction of macroscopic and histological colon alterations, as well as of colonic expression of proinflammatory cytokines. The restored integrity of the intestinal barrier function after MAGL inhibition resulted in reduced endotoxemia as well as reduced peripheral and brain inflammation. Coadministration of either CB(1) (SR141716A) or CB(2) (AM630) selective antagonists with JZL184 completely abolished the protective effect of MAGL inhibition on TNBS-induced colon alterations, thus demonstrating the involvement of both cannabinoid receptors. In conclusion, increasing 2-arachidonoylglycerol levels resulted in a dramatic reduction of colitis and of the related systemic and central inflammation. This could offer a novel pharmacological approach for the treatment of IBD based on the new protective role of 2-arachidonoylglycerol described here.
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Affiliation(s)
- Mireille Alhouayek
- Université Catholique de Louvain, Louvain Drug Research Institute, Bioanalysis and Pharmacology of Bioactive Lipids Research Group, CHAM7230, Av. E. Mounier 72, 1200 Bruxelles, Belgium
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26
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Zhou F, Lu J, Zhu X, Mao H, Yang H, Geng D, Xu Y. Effects of a Cannabinoid Receptor 2 Selective Antagonist on the Inflammatory Reaction to Titanium Particles In Vivo and In Vitro. J Int Med Res 2010; 38:2023-32. [PMID: 21227006 DOI: 10.1177/147323001003800616] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Wear particle-induced inflammation is a major factor contributing to aseptic loosening in peri-prosthetic tissue. The effects of cannabinoid receptor 2 (CB2) on wear particle-induced inflammation remain unclear. Reverse transcription–polymerase chain reaction and enzyme-linked immunosorbent assay were used to assess the effects of a CB2-selective antagonist, AM630, on regulation of the inflammatory reaction and production of pro-inflammatory cytokines in response to in vitro and in vivo stimulation with titanium particles. In vitro studies, in a model for pre-osteoclast-like cells, demonstrated that AM630 inactivation of CB2 profoundly inhibited interleukin (IL)-1β and tumour necrosis factor (TNF)-α production by RAW264.7 cells stimulated with titanium particles. In vivo findings in a murine air-pouch model of titanium-induced inflammatory osteolysis indicated that AM630 reduced titanium-induced tissue inflammation, seen as a reduction in pouch membrane thickness, inflammatory infiltration and levels of the pro-inflammatory cytokines IL-1β and TNF-α. Thus, inactivation of CB2 by AM630 inhibited the titanium particle-induced inflammatory reaction by reducing pro-inflammatory cytokines in vitro and in vivo.
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Affiliation(s)
- F Zhou
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Jiangsu, China
| | - J Lu
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Jiangsu, China
| | - X Zhu
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Jiangsu, China
| | - H Mao
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Jiangsu, China
| | - H Yang
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Jiangsu, China
| | - D Geng
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Jiangsu, China
| | - Y Xu
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Jiangsu, China
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