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Huang Y, Li M, Liu Q, Song L, Wang Q, Ding P, Tian W, Guo S. Small extracellular vesicles derived from lipopolysaccharide-preconditioned dental follicle cells inhibit cell apoptosis and alveolar bone loss in periodontitis. Arch Oral Biol 2024; 162:105964. [PMID: 38582010 DOI: 10.1016/j.archoralbio.2024.105964] [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: 10/28/2023] [Revised: 03/11/2024] [Accepted: 03/31/2024] [Indexed: 04/08/2024]
Abstract
OBJECTIVE This study aimed to explore the effects of small extracellular vesicles derived from lipopolysaccharide-preconditioned dental follicle cells (L-D-sEV) on periodontal ligament cells from periodontitis affected teeth (p-PDLCs) in vitro and experimental periodontitis in mice. DESIGN In vitro, the biological function of p-PDLCs and the underlying molecular mechanism were investigated by flow cytometry, Western blot, and quantitative real-time PCR (qRT-PCR) analysis. Eighteen-eight-week-old male C57BL/6 mice were randomly divided into three groups: control (Con), periodontitis (Peri), and L-D-sEV groups. Mice periodontitis model was induced by placing the 5-0 silk thread (around the maxillary second molar) and P.gingivalis (1 ×107 CFUs per mouse). In vivo, the alveolar bone loss, osteoclast activity, and macrophage polarization were measured by micro-computed tomography and histological analysis. RESULTS In vitro, the RANKL/OPG ratio and phosphorylation of JNK and P38 protein levels of p-PDLCs were significantly decreased after L-D-sEV administration. Besides, flow cytometry and qRT-PCR analysis showed that L-D-sEV reduced apoptosis of p-PDLCs, down-regulated apoptosis-related genes Caspase-3 and BCL-2-Associated X expression, and up-regulated B-cell lymphoma-2 gene levels. In vivo, L-D-sEV administration significantly reduced alveolar bone loss, inhibited osteoclast activity, and induced M2 polarization. The histological analysis showed that iNOS/CD206, RANKL/OPG, p-JNK/JNK, and p-P38/P38 ratios were significantly lower in the L-D-sEV group than in the Peri group. CONCLUSIONS L-D-sEV administration alleviated alveolar bone loss by mediating RANKL/OPG-related osteoclast activity and M2 macrophage polarization, alleviating p-PDLCs apoptosis and proliferation via the JNK and P38 pathways.
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Affiliation(s)
- Yanli Huang
- 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 310000, People's Republic of China
| | - Mujia Li
- 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 310000, People's Republic of China
| | - Qian Liu
- 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 310000, People's Republic of China
| | - Lu Song
- 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 310000, People's Republic of China
| | - Qianting Wang
- 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 310000, People's Republic of China
| | - Peihui Ding
- 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 310000, People's Republic of China
| | - Weidong Tian
- State Key Laboratory of Oral Disease & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Oral Regenerative Medicine, Engineering Research Center of Oral Translational Medicine, Ministry of Education, Department of Periodontics, West China School of Stomatology, Sichuan University, Chengdu 610041, People's Republic of China
| | - Shujuan Guo
- State Key Laboratory of Oral Disease & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Oral Regenerative Medicine, Engineering Research Center of Oral Translational Medicine, Ministry of Education, Department of Periodontics, West China School of Stomatology, Sichuan University, Chengdu 610041, People's Republic of China.
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Zhai S, Wang R, Wang J, Xu X, Niu L, Guo M, Zhang Y, Shi Y, Tang X. Curcumol: a review of its pharmacology, pharmacokinetics, drug delivery systems, structure-activity relationships, and potential applications. Inflammopharmacology 2024; 32:1659-1704. [PMID: 38520574 DOI: 10.1007/s10787-024-01447-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 02/16/2024] [Indexed: 03/25/2024]
Abstract
Curcumol (Cur), a guaiane-type sesquiterpenoid hemiketal, is an important and representative bioactive component extracted from the essential oil of the rhizomes of Curcumae rhizoma which is also known as "Ezhu" in traditional Chinese medicine. Recently, Cur has received considerable attention from the research community due to its favorable pharmacological activities, including anti-cancer, hepatoprotective, anti-inflammatory, anti-viral, anti-convulsant, and other activities, and has also exerted therapeutic effect on various cancers, liver diseases, inflammatory diseases, and infectious diseases. Pharmacokinetic studies have shown that Cur is rapidly distributed in almost all organs of rats after intragastric administration with high concentrations in the small intestine and colon. Several studies focusing on structure-activity relationship (SAR) of Cur have shown that some Cur derivatives, chemically modified at C-8 or C-14, exhibited more potent anti-cancer activity and lower toxicity than Cur itself. This review aims to comprehensively summarize the latest advances in the pharmacological and pharmacokinetic properties of Cur in the last decade with a focus on its anti-cancer and hepatoprotective potentials, as well as the research progress in drug delivery system and potential applications of Cur to date, to provide researchers with the latest information, to highlighted the limitations of relevant research at the current stage and the aspects that should be addressed in future research. Our results indicate that Cur and its derivatives could serve as potential novel agents for the treatment of a variety of diseases, particularly cancer and liver diseases.
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Affiliation(s)
- Sicheng Zhai
- School of Medical Engineering, Haojing College of Shaanxi University of Science & Technology, Tongyi Avenue, Xi Xian New District, Xianyang City, 712046, Shaanxi Province, People's Republic of China
| | - Rui Wang
- School of Medical Engineering, Haojing College of Shaanxi University of Science & Technology, Tongyi Avenue, Xi Xian New District, Xianyang City, 712046, Shaanxi Province, People's Republic of China
| | - Jingyuan Wang
- Key Laboratory of Basic and New Drug Research in Chinese Medicine, School of Pharmacy, Shaanxi University of Chinese Medicine, Shiji Avenue, Xi Xian New District, Xianyang City, 712046, Shaanxi Province, People's Republic of China
| | - Xiangdong Xu
- School of Medical Engineering, Haojing College of Shaanxi University of Science & Technology, Tongyi Avenue, Xi Xian New District, Xianyang City, 712046, Shaanxi Province, People's Republic of China
| | - Le Niu
- School of Medical Engineering, Haojing College of Shaanxi University of Science & Technology, Tongyi Avenue, Xi Xian New District, Xianyang City, 712046, Shaanxi Province, People's Republic of China
| | - Min Guo
- School of Medical Engineering, Haojing College of Shaanxi University of Science & Technology, Tongyi Avenue, Xi Xian New District, Xianyang City, 712046, Shaanxi Province, People's Republic of China
| | - Yongling Zhang
- School of Medical Engineering, Haojing College of Shaanxi University of Science & Technology, Tongyi Avenue, Xi Xian New District, Xianyang City, 712046, Shaanxi Province, People's Republic of China
| | - Yajun Shi
- Key Laboratory of Basic and New Drug Research in Chinese Medicine, School of Pharmacy, Shaanxi University of Chinese Medicine, Shiji Avenue, Xi Xian New District, Xianyang City, 712046, Shaanxi Province, People's Republic of China.
| | - Xuexue Tang
- School of Medical Engineering, Haojing College of Shaanxi University of Science & Technology, Tongyi Avenue, Xi Xian New District, Xianyang City, 712046, Shaanxi Province, People's Republic of China.
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Trzaskowska M, Vivcharenko V, Kazimierczak P, Wolczyk A, Przekora A. In Vitro Screening Studies on Eight Commercial Essential Oils-Derived Compounds to Identify Promising Natural Agents for the Prevention of Osteoporosis. Biomedicines 2023; 11:biomedicines11041095. [PMID: 37189712 DOI: 10.3390/biomedicines11041095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 03/24/2023] [Accepted: 04/03/2023] [Indexed: 04/07/2023] Open
Abstract
Over the years, essential oils (EOs) and their compounds have gained growing interest due to their anti-inflammatory, antimicrobial, antioxidant, and immunomodulatory properties. The aim of this study was to evaluate the effect of eight commercially available EO-derived compounds ((R)-(+)-limonene, (S)-(−)-limonene, sabinene, carvacrol, thymol, alpha-pinene (α-pinene), beta-pinene (β-pinene), and cinnamaldehyde) on the bone formation process in vitro to select the most promising natural agents that could potentially be used in the prevention or treatment of osteoporosis. Within this study, evaluation of cytotoxicity, cell proliferation, and osteogenic differentiation was performed with the use of mouse primary calvarial preosteoblasts (MC3T3-E1). Moreover, extracellular matrix (ECM) mineralization was determined using MC3T3-E1 cells and dog adipose tissue-derived mesenchymal stem cells (ADSCs). The two highest non-toxic concentrations of each of the compounds were selected and used for testing other activities. The conducted study showed that cinnamaldehyde, thymol, and (R)-(+)-limonene significantly stimulated cell proliferation. In the case of cinnamaldehyde, the doubling time (DT) for MC3T3-E1 cells was significantly shortened to approx. 27 h compared to the control cells (DT = 38 h). In turn, cinnamaldehyde, carvacrol, (R)-(+)-limonene, (S)-(−)-limonene, sabinene, and α-pinene exhibited positive effects on either the synthesis of bone ECM or/and mineral deposition in ECM of the cells. Based on the conducted research, it can be assumed that cinnamaldehyde and (R)-(+)-limonene are the most promising among all tested EO-derived compounds and can be selected for further detailed research in order to confirm their biomedical potential in the chemoprevention or treatment of osteoporosis since they not only accelerated the proliferation of preosteoblasts, but also significantly enhanced osteocalcin (OC) synthesis by preosteoblasts (the OC level was approx. 1100–1200 ng/mg compared to approx. 650 ng/mg in control cells) and ECM calcification of both preosteoblasts and mesenchymal stem cells. Importantly, cinnamaldehyde treatment led to a three-fold increase in the mineral deposition in ADSCs, whereas (R)-(+)-limonene caused a two-fold increase in the ECM mineralization of both MC3T3-E1 cells and ADSCs.
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Affiliation(s)
- Marta Trzaskowska
- Independent Unit of Tissue Engineering and Regenerative Medicine, Medical University of Lublin, Chodzki 1, 20-093 Lublin, Poland
| | - Vladyslav Vivcharenko
- Independent Unit of Tissue Engineering and Regenerative Medicine, Medical University of Lublin, Chodzki 1, 20-093 Lublin, Poland
| | - Paulina Kazimierczak
- Independent Unit of Tissue Engineering and Regenerative Medicine, Medical University of Lublin, Chodzki 1, 20-093 Lublin, Poland
| | - Agata Wolczyk
- Independent Unit of Tissue Engineering and Regenerative Medicine, Medical University of Lublin, Chodzki 1, 20-093 Lublin, Poland
| | - Agata Przekora
- Independent Unit of Tissue Engineering and Regenerative Medicine, Medical University of Lublin, Chodzki 1, 20-093 Lublin, Poland
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Phytochemicals targeting JAK/STAT pathway in the treatment of rheumatoid arthritis: Is there a future? Biochem Pharmacol 2022; 197:114929. [DOI: 10.1016/j.bcp.2022.114929] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 01/05/2022] [Accepted: 01/13/2022] [Indexed: 12/13/2022]
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Xu Q, Cao Z, Xu J, Dai M, Zhang B, Lai Q, Liu X. Effects and mechanisms of natural plant active compounds for the treatment of osteoclast-mediated bone destructive diseases. J Drug Target 2021; 30:394-412. [PMID: 34859718 DOI: 10.1080/1061186x.2021.2013488] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
Abstract
Bone-destructive diseases, caused by overdifferentiation of osteoclasts, reduce bone mass and quality, and disrupt bone microstructure, thereby causes osteoporosis, Paget's disease, osteolytic bone metastases, and rheumatoid arthritis. Osteoclasts, the only multinucleated cells with bone resorption function, are derived from haematopoietic progenitors of the monocyte/macrophage lineage. The regulation of osteoclast differentiation is considered an effective target for the treatment of bone-destructive diseases. Natural plant-derived products have received increasing attention in recent years due to their good safety profile, the preference of natural compounds over synthetic drugs, and their potential therapeutic and preventive activity against osteoclast-mediated bone-destructive diseases. In this study, we reviewed the research progress of the potential antiosteoclast active compounds extracted from medicinal plants and their molecular mechanisms. Active compounds from natural plants that inhibit osteoclast differentiation and functions include flavonoids, terpenoids, quinones, glucosides, polyphenols, alkaloids, coumarins, lignans, and limonoids. They inhibit bone destruction by downregulating the expression of osteoclast-specific marker genes (CTSK, MMP-9, TRAP, OSCAR, DC-STAMP, V-ATPase d2, and integrin av3) and transcription factors (c-Fos, NFATc1, and c-Src), prevent the effects of local factors (ROS, LPS, and NO), and suppress the activation of various signalling pathways (MAPK, NF-κB, Akt, and Ca2+). Therefore, osteoclast-targeting natural products are of great value in the prevention and treatment of bone destructive diseases.
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Affiliation(s)
- Qiang Xu
- Department of Orthopedics, First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Zhiyou Cao
- Department of Orthopedics, First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - JiaQiang Xu
- Department of Orthopedics, First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Min Dai
- Department of Orthopedics, First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Bin Zhang
- Department of Orthopedics, First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Qi Lai
- Department of Orthopedics, First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Xuqiang Liu
- Department of Orthopedics, First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
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Qu Y, Liu X, Zong S, Sun H, Liu S, Zhao Y. Protocatechualdehyde Inhibits the Osteoclast Differentiation of RAW264.7 and BMM Cells by Regulating NF- κB and MAPK Activity. BIOMED RESEARCH INTERNATIONAL 2021; 2021:6108999. [PMID: 34327232 PMCID: PMC8302381 DOI: 10.1155/2021/6108999] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Accepted: 06/07/2021] [Indexed: 11/18/2022]
Abstract
Protocatechualdehyde (PCA), an important component of Salvia miltiorrhiza, has many activities, such as anti-inflammatory and antisepsis activities. However, the role of PCA in osteoclasts is not clear. We used RAW264.7 cells (a mouse leukemic monocyte/macrophage cell line) and bone marrow macrophages (BMMs) to probe the role of PCA in osteoclasts and the underlying mechanism. The effects of PCA on cell activity were evaluated with CCK-8 assays. TRAP staining detected mature osteoclasts. Corning Osteo Assay Surface plates were used to examine absorption. The levels of RNA and protein were analyzed, respectively, using RT-PCR and Western blotting. PCA (5 μg/ml) was not toxic to the two cell types but reduced the formation of osteoclasts and bone absorption. Furthermore, PCA restrained the expression of mRNAs encoding proteins associated with osteoclasts and reduced the phosphorylation of proteins in important signaling pathways. The results indicate that PCA inhibits osteoclast differentiation by suppressing NF-κB and MAPK activity.
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Affiliation(s)
- Yunyun Qu
- Department of Central Lab, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250021, China
- The Second Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Xin Liu
- Department of Central Lab, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250021, China
| | - Shuai Zong
- Department of Central Lab, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250021, China
| | - Huanxin Sun
- Department of Central Lab, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250021, China
| | - Shuang Liu
- Department of Central Lab, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250021, China
| | - Yueran Zhao
- Department of Central Lab, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250021, China
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Mehta L, Naved T, Grover P, Bhardwaj M, Mukherjee D, Vennapu DR. Identification and characterization of new degradation products of belinostat using UHPLC-Q-TOF-MS/MS and in silico toxicity prediction. J LIQ CHROMATOGR R T 2021. [DOI: 10.1080/10826076.2021.1906271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Lovekesh Mehta
- Amity Institute of Pharmacy, Amity University, Noida, India
| | - Tanveer Naved
- Amity Institute of Pharmacy, Amity University, Noida, India
| | - Parul Grover
- KIET School of Pharmacy, KIET Group of Institutions, Delhi-NCR, Ghaziabad, India
| | - Monika Bhardwaj
- Natural Product Chemistry Division, Indian Institute of Integrative Medicine, Jammu, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Debaraj Mukherjee
- Natural Product Chemistry Division, Indian Institute of Integrative Medicine, Jammu, India
| | - Dushyanth R. Vennapu
- Department of Pharmaceutical Chemistry, KLE University College of Pharmacy, Belagavi, India
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Jiao Y, Chen C, Hu X, Feng X, Shi Z, Cao J, Li Q, Zhu Y. Niclosamide and its derivative DK-520 inhibit RANKL-induced osteoclastogenesis. FEBS Open Bio 2020; 10:1685-1697. [PMID: 32602250 PMCID: PMC7396435 DOI: 10.1002/2211-5463.12921] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 06/05/2020] [Accepted: 06/09/2020] [Indexed: 01/13/2023] Open
Abstract
Niclosamide is a potent inhibitor of osteoclastogenesis and bone remodeling. DK‐520 is an acyl derivative of Niclosamide and significantly increased both the plasma concentration and the duration of exposure of Niclosamide when dosed orally. However, at present the effect of DK‐520 on osteoclastogenesis has not been reported. Here, we investigated whether DK‐520 can regulate receptor activator of nuclear factor‐κB ligand (RANKL)‐induced osteoclastogenesis of bone marrow macrophages (BMMs) in vitro. Following induction of BMMs with RANKL for three days, we detected differentiated osteoclasts with typical morphology and high levels of tartrate‐resistant acid phosphatase (TRAP), RANKL, and cathepsin K (CTSK) expression. Treatment with either Niclosamide or DK‐520 did not affect the viability of osteoclast precursors (OCPs), but significantly inhibited RANKL‐induced transdifferentiation of macrophages into OCPs, particularly in the early stage of osteoclastogenesis. Both Niclosamide and DK‐520 significantly decreased the relative levels of transcription factor PU.1 mRNA transcripts and dendritic cell‐specific transmembrane protein (DC‐STAMP), but not v‐ATPasev0d2 protein expression in OCPs. In addition, the inhibitory effect of DK‐520 on osteoclastogenesis is realized through impairment of the NF‐kB (nuclear factor‐κB) and MAPK (mitogen‐activated protein kinase) signaling pathways. These results demonstrate that DK‐520, like Niclosamide, effectively inhibits the early stage of osteoclastogenesis. The findings presented here, together with its increased oral plasma concentrations and bioavailability, suggest that DK‐520 may be a promising drug candidate for treatment of osteoclast‐related diseases.
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Affiliation(s)
- Yurui Jiao
- Department of Endocrinology, The Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Chenglong Chen
- Musculoskeletal Tumor Center, Peking University People's Hospital, Beijing, China
| | - Xijian Hu
- Department of Orthopedics, The Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Xu Feng
- Department of Pathology, University of Alabama at Birmingham, AL, USA
| | - Zhenqi Shi
- Department of Pathology, University of Alabama at Birmingham, AL, USA
| | - Jie Cao
- Department of Endocrinology, The Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Qing Li
- Department of Endocrinology, The Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Yikun Zhu
- Department of Endocrinology, The Second Hospital of Shanxi Medical University, Taiyuan, China
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Effect of echinalkamide identified from Echinacea purpurea (L.) Moench on the inhibition of osteoclastogenesis and bone resorption. Sci Rep 2020; 10:10914. [PMID: 32616823 PMCID: PMC7331694 DOI: 10.1038/s41598-020-67890-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Accepted: 06/08/2020] [Indexed: 11/15/2022] Open
Abstract
Plant cell cultures have been exploited to provide stable production and new secondary metabolites for better pharmacological activity. Fractionation of adventitious root cultures of Echinacea purpurea resulted in the isolation of eleven constituents, including three new compounds. The structures of the three new compounds were determined to be an alkylamide (1), a polyacetylene (2) and a lignan (3) on the basis of combined spectroscopic analysis. To discover new types of antiresorptive agents, we screened for new compounds that regulate osteoclast differentiation, and survival. Among three new compounds, echinalkamide (compound 1) had considerably inhibitory effects on RANKL-induced osteoclast differentiation, and on proliferation of osteoclasts and efficiently attenuated osteoclastic bone resorption without toxicity. In addition, echinalamide treatment inhibited the osteoclast—specific gene expression level. Echinalkamide achieved this inhibitory effect by disturbing phosphorylation of MAPK and activation of osteoclast transcription factors c-Fos and NFATc1. Conclusionally, our study investigated that echinalkamide remarkably inhibited osteoclast differentiation and osteoclast specific gene expression through repression of the MAPK–c-Fos–NFATC1 cascade.
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Vasconcelos ACCG, Vasconcelos DFP, da Silva FRP, França LFDC, Alves EHP, Di Lenardo D, Pessoa LDS, Nascimento HMS, Carvalho ADS, Sousa FBDM, Barbosa ALDR, Medeiros JVR, Novaes PD, Mariano FS, Lima BDS, Araujo AADS, Júnior LJQ, de Oliveira AP. Alpha-terpineol complexed with beta-cyclodextrin reduces damages caused by periodontitis in rats. J Periodontal Res 2020; 55:877-886. [PMID: 32583890 DOI: 10.1111/jre.12780] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 05/15/2020] [Accepted: 05/30/2020] [Indexed: 01/09/2023]
Abstract
BACKGROUND AND OBJECTIVE This study aimed to assess the effectiveness of the treatment with alpha-terpineol (αTPN) complexed with beta-cyclodextrin (βCD) on oral, blood, and hepatic parameters in ligature-induced periodontitis. MATERIAL AND METHODS Forty female rats were distributed among the following groups: control (vehicle solution), periodontitis (ligature + vehicle solution), 5 mg/kg of αTPN-βCD (ligature), and 25 mg/kg of αTPN-βCD (ligature). Compounds were administered daily via intraperitoneal injection over a 20-day period. Periodontitis was induced with the bilateral insertion of ligatures around the first lower molars of each rat. Oral parameters, as well as blood biomarkers, were measured: histopathological assessment of the hepatic tissue was carried out using light and transmission electron microscopy. RESULTS The treatment with αTPN-βCD significantly improved several oral parameters and blood biomarkers in comparison with rats with periodontitis. In addition, the treatment with αTPN-βCD significantly ameliorated the steatosis score and reduced the number of lipid droplets and the amount of foamy cytoplasm in the hepatocytes of rats with periodontitis. CONCLUSION The results obtained suggest that the treatment with αTPN-βCD improves several oral and blood parameters in rats with experimental periodontitis. In addition, hepatic alterations caused by periodontitis were ameliorated in the rats treated with αTPN-βCD.
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Affiliation(s)
- Any Carolina Cardoso Guimarães Vasconcelos
- Medicinal Plants Research Center (NPPM), Federal University of hPiaui, Teresina, Brazil.,Medicine School, Education Institute of Parnaiba Valley (IESVAP-Afya), Parnaiba, Brazil
| | | | - Felipe Rodolfo Pereira da Silva
- Laboratory of Histological Analysis and Preparation (LAPHis), Federal University of Parnaiba Delta (UFDPar), Parnaiba, Brazil
| | - Luiz Felipe de Carvalho França
- Laboratory of Histological Analysis and Preparation (LAPHis), Federal University of Parnaiba Delta (UFDPar), Parnaiba, Brazil
| | - Even Herlany Pereira Alves
- Laboratory of Histological Analysis and Preparation (LAPHis), Federal University of Parnaiba Delta (UFDPar), Parnaiba, Brazil
| | - David Di Lenardo
- Laboratory of Histological Analysis and Preparation (LAPHis), Federal University of Parnaiba Delta (UFDPar), Parnaiba, Brazil
| | - Larissa Dos Santos Pessoa
- Laboratory of Histological Analysis and Preparation (LAPHis), Federal University of Parnaiba Delta (UFDPar), Parnaiba, Brazil
| | - Hélio Mateus Silva Nascimento
- Laboratory of Histological Analysis and Preparation (LAPHis), Federal University of Parnaiba Delta (UFDPar), Parnaiba, Brazil
| | - André Dos Santos Carvalho
- Laboratory of Histological Analysis and Preparation (LAPHis), Federal University of Parnaiba Delta (UFDPar), Parnaiba, Brazil
| | | | - André Luiz Dos Reis Barbosa
- Laboratory of Experimental Psychopharmacology (LAFFEX), Federal University of Parnaiba Delta (UFDPar), Parnaiba, Brazil
| | - Jand-Venes Rolim Medeiros
- Laboratory of Experimental Psychopharmacology (LAFFEX), Federal University of Parnaiba Delta (UFDPar), Parnaiba, Brazil
| | - Pedro Duarte Novaes
- Department of Morphology, Piracicaba Dental School, State University of Campinas - UNICAMP, Piracicaba, Brazil
| | - Flávia Sammartino Mariano
- Department of Morphology, Piracicaba Dental School, State University of Campinas - UNICAMP, Piracicaba, Brazil
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Jia L, Shi L, Li J, Zeng Y, Tang S, Liu W, Mo X, Liu X. Total flavonoids from celery suppresses RANKL-induced osteoclast differentiation and bone resorption function via attenuating NF-κB and p38 pathways in RAW264.7 cells. J Funct Foods 2020. [DOI: 10.1016/j.jff.2020.103949] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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12
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Li XZ, Zhang SN. Herbal compounds for rheumatoid arthritis: Literatures review and cheminformatics prediction. Phytother Res 2019; 34:51-66. [PMID: 31515874 DOI: 10.1002/ptr.6509] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2019] [Revised: 07/31/2019] [Accepted: 08/23/2019] [Indexed: 12/13/2022]
Abstract
Rheumatoid arthritis (RA) is a systemic disease characterized by autoimmunity, joint inflammation, and cartilage destruction, which affects 0.5-1% of the population. Many compounds from herbal medicines show the potentials to treat RA. On this basis, the compounds with good pharmacokinetic behaviors and drug-likeness properties will be further studied and developed. Therefore, the herbal compounds with anti-RA activities were reviewed in this paper, and the cheminformatics tools were used to predict their drug-likeness properties and pharmacokinetic parameters. A total of 90 herbal compounds were analyzed, which were reported to be effective on RA models through anti-inflammation, chondroprotection, immunoregulation, antiangiogenesis, and antioxidation. Most of the herbal compounds have good drug-likeness properties. Most of the compounds can be an alternative and valuable source for anti-RA drug discovery.
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Affiliation(s)
- Xu-Zhao Li
- College of Pharmacy, Guizhou University of Traditional Chinese Medicine, Guian New Area, PR China
| | - Shuai-Nan Zhang
- College of Pharmacy, Guizhou University of Traditional Chinese Medicine, Guian New Area, PR China
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13
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He G, Ma R. Overview of Molecular Mechanisms Involved in Herbal Compounds for Inhibiting Osteoclastogenesis from Macrophage Linage RAW264.7. Curr Stem Cell Res Ther 2019; 15:570-578. [PMID: 31269885 DOI: 10.2174/1574888x14666190703144917] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Revised: 05/03/2019] [Accepted: 05/23/2019] [Indexed: 12/17/2022]
Abstract
Differentiation from RAW264.7 cells to osteoclasts rely on many signaling pathways, such as NF-κB, MAPK, Akt and others. However, the specific underlying mechanisms are not clear. Recently, much works have focused on the inhibitory effects of plant derived compounds in the differentiation from RAW264.7 to osteoclasts. However, the specific mechanisms remain unclear. In this paper, we summarize a lot of plant derived compounds which exert blocking effect on the progression of differentiation via signaling pathways.
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Affiliation(s)
- Gaole He
- Department of Spine, Honghui-Hospital, Xi'an Jiaotong University, School of Medicine, Xi'an, China
| | - Rui Ma
- Department of Anesthesiology, Xi'an Children's Hospital, Xi'an, China
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14
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Lee K, Seo I, Choi MH, Jeong D. Roles of Mitogen-Activated Protein Kinases in Osteoclast Biology. Int J Mol Sci 2018; 19:ijms19103004. [PMID: 30275408 PMCID: PMC6213329 DOI: 10.3390/ijms19103004] [Citation(s) in RCA: 154] [Impact Index Per Article: 25.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Revised: 09/20/2018] [Accepted: 09/27/2018] [Indexed: 01/20/2023] Open
Abstract
Bone undergoes continuous remodeling, which is homeostatically regulated by concerted communication between bone-forming osteoblasts and bone-degrading osteoclasts. Multinucleated giant osteoclasts are the only specialized cells that degrade or resorb the organic and inorganic bone components. They secrete proteases (e.g., cathepsin K) that degrade the organic collagenous matrix and establish localized acidosis at the bone-resorbing site through proton-pumping to facilitate the dissolution of inorganic mineral. Osteoporosis, the most common bone disease, is caused by excessive bone resorption, highlighting the crucial role of osteoclasts in intact bone remodeling. Signaling mediated by mitogen-activated protein kinases (MAPKs), including extracellular signal-regulated kinase (ERK), c-Jun N-terminal kinase (JNK), and p38, has been recognized to be critical for normal osteoclast differentiation and activation. Various exogenous (e.g., toll-like receptor agonists) and endogenous (e.g., growth factors and inflammatory cytokines) stimuli contribute to determining whether MAPKs positively or negatively regulate osteoclast adhesion, migration, fusion and survival, and osteoclastic bone resorption. In this review, we delineate the unique roles of MAPKs in osteoclast metabolism and provide an overview of the upstream regulators that activate or inhibit MAPKs and their downstream targets. Furthermore, we discuss the current knowledge about the differential kinetics of ERK, JNK, and p38, and the crosstalk between MAPKs in osteoclast metabolism.
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Affiliation(s)
- Kyunghee Lee
- Department of Microbiology, Laboratory of Bone Metabolism and Control, Yeungnam University College of Medicine, Daegu 42415, Korea.
| | - Incheol Seo
- Department of Microbiology, Laboratory of Bone Metabolism and Control, Yeungnam University College of Medicine, Daegu 42415, Korea.
| | - Mun Hwan Choi
- Department of Microbiology, Laboratory of Bone Metabolism and Control, Yeungnam University College of Medicine, Daegu 42415, Korea.
| | - Daewon Jeong
- Department of Microbiology, Laboratory of Bone Metabolism and Control, Yeungnam University College of Medicine, Daegu 42415, Korea.
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15
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Wang J, Wu J, Li X, Liu H, Qin J, Bai Z, Chi B, Chen X. Identification and validation nucleolin as a target of curcumol in nasopharyngeal carcinoma cells. J Proteomics 2018; 182:1-11. [PMID: 29684682 DOI: 10.1016/j.jprot.2018.04.025] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2017] [Revised: 03/22/2018] [Accepted: 04/19/2018] [Indexed: 11/16/2022]
Abstract
Identification of the specific protein target(s) of a drug is a critical step in unraveling its mechanisms of action (MOA) in many natural products. Curcumol, isolated from well known Chinese medicinal plant Curcuma zedoary, has been shown to possess multiple biological activities. It can inhibit nasopharyngeal carcinoma (NPC) proliferation and induce apoptosis, but its target protein(s) in NPC cells remains unclear. In this study, we employed a mass spectrometry-based chemical proteomics approach reveal the possible protein targets of curcumol in NPC cells. Cellular thermal shift assay (CETSA), molecular docking and cell-based assay was used to validate the binding interactions. Chemical proteomics capturing uncovered that NCL is a target of curcumol in NPC cells, Molecular docking showed that curcumol bound to NCL with an -7.8 kcal/mol binding free energy. Cell function analysis found that curcumol's treatment leads to a degradation of NCL in NPC cells, and it showed slight effects on NP69 cells. In conclusion, our results providing evidences that NCL is a target protein of curcumol. We revealed that the anti-cancer effects of curcumol in NPC cells are mediated, at least in part, by NCL inhibition. SIGNIFICANCE Many natural products showed high bioactivity, while their mechanisms of action (MOA) are very poor or completely missed. Understanding the MOA of natural drugs can thoroughly exploit their therapeutic potential and minimize their adverse side effects. Identification of the specific protein target(s) of a drug is a critical step in unraveling its MOA. Compound-centric chemical proteomics is a classic chemical proteomics approach which integrates chemical synthesis with cell biology and mass spectrometry (MS) to identify protein targets of natural products determine the drug mechanism of action, describe its toxicity, and figure out the possible cause of off-target. It is an affinity-based chemical proteomics method to identify small molecule-protein interactions through affinity chromatography approach coupled with mass spectrometry, has been conventionally used to identify target proteins and has yielded good results. Curcumol, has shown effective inhibition on Nasopharyngeal Carcinoma (NPC) Cells, interacted with NCL and then initiated the anti-tumor biological effect. This research demonstrated the effectiveness of chemical proteomics approaches in natural drugs molecular target identification, revealing and understanding of the novel mechanism of actions of curcumol is crucial for cancer prevention and treatment in nasopharynx cancer.
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Affiliation(s)
- Juan Wang
- Xiangya Hospital, Central South University, Changsha 410008, China; College of Pharmacy, Guilin Medical University, Guilin 541004, China
| | - Jiacai Wu
- Research Center for Science, Guilin Medical University, Guilin 541004, China
| | - Xumei Li
- College of Pharmacy, Guilin Medical University, Guilin 541004, China
| | - Haowei Liu
- College of Pharmacy, Guilin Medical University, Guilin 541004, China
| | - Jianli Qin
- College of Pharmacy, Guilin Medical University, Guilin 541004, China
| | - Zhun Bai
- Intensive Care Unit, The Affiliated Zhuzhou Hospital XiangYa Medical College CSU, Zhuzhou 412007, China
| | - Bixia Chi
- Department of Gastroenterology, The First People's Hospital of Yueyang, Yueyang 414000, China
| | - Xu Chen
- College of Pharmacy, Guilin Medical University, Guilin 541004, China.
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Li L, Sapkota M, Gao M, Choi H, Soh Y. Macrolactin F inhibits RANKL-mediated osteoclastogenesis by suppressing Akt, MAPK and NFATc1 pathways and promotes osteoblastogenesis through a BMP-2/smad/Akt/Runx2 signaling pathway. Eur J Pharmacol 2017; 815:202-209. [PMID: 28919027 DOI: 10.1016/j.ejphar.2017.09.015] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Revised: 09/08/2017] [Accepted: 09/12/2017] [Indexed: 01/27/2023]
Abstract
The balance between bone formation and bone resorption is maintained by osteoblasts and osteoclasts. In the current study, macrolactin F (MF) was investigated for novel biological activity on the receptor activator of nuclear factor-κB (NF-κB) ligand (RANKL)-induced osteoclastogenesis in primary bone marrow-derived macrophages (BMMs). We found that RANKL-induced osteoclast formation and differentiation from BMMs was significantly inhibited by MF in a dose-dependent manner without cytotoxicity. RANKL-induced F-actin ring formation and bone resorption activity in BMMs which was attenuated by MF. In addition, MF suppressed the expression of osteoclast-related genes, including c-myc, RANK, tartrate-resistant acid phosphatase (TRAP), nuclear factor of activated T cells c1 (NFATc1), cathepsin K and matrix metalloproteinase 9 (MMP9). Furthermore, the protein expression NFATc1, c-Fos, MMP9, cathepsin K and phosphorylation of Jun N-terminal kinase (JNK), p38 and Akt were also down-regulated by MF treatment. Interestingly, MF promoted pre-osteoblast cell differentiation on Alizarin Red-mineralization activity, alkaline phosphatase (ALP) activity, and the expression of osteoblastogenic markers including Runx2, Osterix, Smad4, ALP, type I collagen alpha 1 (Col1α), osteopontin (OPN), and osteocalcin (OCN) via activation of the BMP-2/smad/Akt/Runx2 pathway on MC3T3-E1. Taken together, these results indicate that MF may be useful as a therapeutic agent to enhance bone health and treat osteoporosis.
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Affiliation(s)
- Liang Li
- Department of Dental Pharmacology, School of Dentistry, Chonbuk National University, Jeonju 561-756, Republic of Korea
| | - Mahesh Sapkota
- Department of Dental Pharmacology, School of Dentistry, Chonbuk National University, Jeonju 561-756, Republic of Korea
| | - Ming Gao
- College of Pharmacy, Yeungnam University, Gyeongsan, Gyeongbuk 38541, Republic of Korea
| | - Hyukjae Choi
- College of Pharmacy, Yeungnam University, Gyeongsan, Gyeongbuk 38541, Republic of Korea.
| | - Yunjo Soh
- Department of Dental Pharmacology, School of Dentistry, Chonbuk National University, Jeonju 561-756, Republic of Korea.
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17
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An J, Hao D, Zhang Q, Chen B, Zhang R, Wang Y, Yang H. Natural products for treatment of bone erosive diseases: The effects and mechanisms on inhibiting osteoclastogenesis and bone resorption. Int Immunopharmacol 2016; 36:118-131. [PMID: 27131574 DOI: 10.1016/j.intimp.2016.04.024] [Citation(s) in RCA: 85] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2016] [Revised: 03/28/2016] [Accepted: 04/18/2016] [Indexed: 01/13/2023]
Abstract
Excessive bone resorption plays a central role on the development of bone erosive diseases, including osteoporosis, rheumatoid arthritis, and periodontitis. Osteoclasts, bone-resorbing multinucleated cells, are differentiated from hemopoietic progenitors of the monocyte/macrophage lineage. Regulation of osteoclast differentiation is considered an effective therapeutic target to the treatment of pathological bone loss. Natural plant-derived products, with potential therapeutic and preventive activities against bone-lytic diseases, have received increasing attention in recent years because of their whole regulative effects and specific pharmacological activities, which are more suitable for long-term use than chemically synthesized medicines. In this review, we summarized the detailed research progress on the active compounds derived from medical plants with potential anti-resorptive effects and their molecular mechanisms on inhibiting osteoclast formation and function. The active ingredients derived from natural plants that are efficacious in suppressing osteoclastogenesis and bone resorption include flavonoids, terpenoids (sesquiterpenoids, diterpenoids, triterpenoids), glycosides, lignans, coumarins, alkaloids, polyphenols, limonoids, quinones and others (steroid, oxoxishhone, fatty acid). Studies have shown that above natural products exert the inhibitory effects via regulating many factors involved in the process of osteoclast differentiation and bone resorption, including the essential cytokines (RANKL, M-CSF), transcription factors (NFATc1, c-Fos), signaling pathways (NF-κB, MAPKs, Src/PI3K/Akt, the calcium ion signaling), osteoclast-specific genes (TRAP, CTSK, MMP-9, integrin β3, OSCAR, DC-STAMP, Atp6v0d2) and local factors (ROS, LPS, NO). The development of osteoclast-targeting natural products is of great value for the prevention or treatment of bone diseases and for bone regenerative medicine.
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Affiliation(s)
- Jing An
- Translational Medicine Centre, Hong-Hui Hospital, Xi'an Jiaotong University College of Medicine, Xi'an 710054, China
| | - Dingjun Hao
- Translational Medicine Centre, Hong-Hui Hospital, Xi'an Jiaotong University College of Medicine, Xi'an 710054, China
| | - Qian Zhang
- Translational Medicine Centre, Hong-Hui Hospital, Xi'an Jiaotong University College of Medicine, Xi'an 710054, China
| | - Bo Chen
- Translational Medicine Centre, Hong-Hui Hospital, Xi'an Jiaotong University College of Medicine, Xi'an 710054, China
| | - Rui Zhang
- Translational Medicine Centre, Hong-Hui Hospital, Xi'an Jiaotong University College of Medicine, Xi'an 710054, China
| | - Yi Wang
- Translational Medicine Centre, Hong-Hui Hospital, Xi'an Jiaotong University College of Medicine, Xi'an 710054, China
| | - Hao Yang
- Translational Medicine Centre, Hong-Hui Hospital, Xi'an Jiaotong University College of Medicine, Xi'an 710054, China.
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18
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Lü S, Wang Q, Li G, Sun S, Guo Y, Kuang H. The treatment of rheumatoid arthritis using Chinese medicinal plants: From pharmacology to potential molecular mechanisms. JOURNAL OF ETHNOPHARMACOLOGY 2015; 176:177-206. [PMID: 26471289 DOI: 10.1016/j.jep.2015.10.010] [Citation(s) in RCA: 96] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2015] [Revised: 10/02/2015] [Accepted: 10/03/2015] [Indexed: 06/05/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Rheumatoid arthritis (RA) is a common worldwide public health problem. Traditional Chinese Medicine (TCM) achieved some results to some extent in the treatment of rheumatoid arthritis (RA). Especially in China, TCM formulas are used in the clinic because of their advantages. Some of these TCM formulas have been used for thousands of years in ancient China, they pays much attention to strengthening healthy qi, cleaning heat, and wet, activating blood, etc. So TCM in anti-RA drug is considered as a simple and effective method. In addition, TCM are also traditionally used as extracts and many Chinese herbs which are considered to be effective for RA. With the advancement of technologies and research methods, researchers have devoted themselves to exploring new therapeutic materials from troves of TCM. The components of TCM are identified and purified, which include alkaloids, coumarins, flavonoids, saponins and so on. However, little or no review works are found in the research literature on the anti-RA drugs from TCM. The present review aims to provide systematically reorganized information on the ethnopharmacology, phytochemistry and pharmacology of TCM used traditionally against RA. The information recorded in this review will provide new directions for researchers in the future. MATERIALS AND METHODS Relevant scientific literatures were collected from Chinese traditional books and Chinese Pharmacopoeia. Several important pharmacology data, clinical observations, animal experiments on effects of anti-RA drugs from TCM and their mechanisms were extracted from a library and electric search (Pubmed, PubChem Compound, Science Direct, Spring Link, Elsevier, Web of Science, CNKI, Wan Fang, Bai du, The Plant List, etc.). We collected information published between 2002 and 2015 on Chinese medicine in the treatment of RA. Information was also acquired from local classic herbal literature, conference papers, government reports, and PhD and MSc dissertations. RESULTS This review mainly introduces the current research on anti-RA TCM formulas, extracts and compounds from TCM, pharmacological data and potential mechanisms (inhibit osteoclast proliferation, suppress fibroblast-like synoviocytes (FLSs) growth, decrease the expression of inflammatory cytokines, blocking signal pathways, etc.). CONCLUSIONS TCM, as a multi-component and multi-target approach, which is a perfect match with the holistic concept of systems biology, is applicable in the treatment of RA. The synergistic connections of Chinese herbs and mechanisms of related active compounds on RA increase the trust for TCM. TCM as alternative remedies for RA not only has an important position in the world market, but also has an irreplaceable role in the treatment of RA in future.
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Affiliation(s)
- Shaowa Lü
- Key Laboratory of Ministry of Education, Department of Pharmacology, Heilongjiang University of Chinese Medicine, Harbin 150040, China.
| | - Qiushi Wang
- Key Laboratory of Ministry of Education, Department of Pharmacology, Heilongjiang University of Chinese Medicine, Harbin 150040, China.
| | - Guoyu Li
- College of Pharmacy, Harbin Medical University, Harbin 150040, China
| | - Shuang Sun
- Key Laboratory of Ministry of Education, Department of Pharmacology, Heilongjiang University of Chinese Medicine, Harbin 150040, China
| | - Yuyan Guo
- Key Laboratory of Ministry of Education, Department of Pharmacology, Heilongjiang University of Chinese Medicine, Harbin 150040, China
| | - Haixue Kuang
- Key Laboratory of Ministry of Education, Department of Pharmacology, Heilongjiang University of Chinese Medicine, Harbin 150040, China.
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Bromo-honaucin A inhibits osteoclastogenic differentiation in RAW 264.7 cells via Akt and ERK signaling pathways. Eur J Pharmacol 2015; 769:100-9. [PMID: 26550952 DOI: 10.1016/j.ejphar.2015.11.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2015] [Revised: 10/20/2015] [Accepted: 11/02/2015] [Indexed: 11/20/2022]
Abstract
Osteoclasts are unique bone remodeling cells derived from multinucleated myeloid progenitor cells. They play homeostatic vital roles in skeletal modeling and remodeling but also destroy bone masses in many pathological conditions such as osteoporosis and rheumatoid arthritis. Receptor activation of NF-κB ligand (RANKL) is essential to osteoclastogenesis. In this study, we investigated the effects of bromo-honaucin A (Br-H A) isolated from Leptolyngbya crossbyana (cyanobacterium). To investigate the mechanism of the inhibitory effect of Br-H A on osteoclastogenesis, we employed Br-H Ain RANKL-treated murine monocyte/macrophage RAW 264.7 cells for osteoclastic differentiation in-vitro. The inhibitory effects on in-vitro osteoclastogenesis was evaluated by counting the number of Tartarate resistant acid phospatase (TRAP) positive multinucleated cells and by measuring the expression level of osteoclast-specific genes like matrix metalloproteinase 9 (MMP9), cathepsin K (CATH K), GRB2-associated-binding protein 2 (GAB2), c-terminal myc kinase (C-MYC), C-terminal Src kinase (C-SRC) and Microphthalmia-associated transcription factor (MITF). Moreover, Br-H A blocked the resorbing capacity of RAW 264.7 cells on calcium phosphate-coated plates. Finally, Br-H A clearly decreased the expression of Akt and also decreased the activation of ERK. Thus, the study identifies Br-H A as potent inhibitor potentialin the treatment of diseases involving abnormal bone lysis such as osteoporosis, rheumatoid arthritis, and periodontal bone degradation.
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Tang QL, Guo JQ, Wang QY, Lin HS, Yang ZP, Peng T, Pan XD, Liu B, Wang SJ, Zang LQ. Curcumol Induces Apoptosis in SPC-A-1 Human Lung Adenocarcinoma Cells and Displays Anti-neoplastic Effects in Tumor Bearing Mice. Asian Pac J Cancer Prev 2015; 16:2307-12. [DOI: 10.7314/apjcp.2015.16.6.2307] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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