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El-Shoura EAM, Abdelzaher LA, Ahmed AAN, Abdel-Wahab BA, Sharkawi SMZ, Mohamed SA, Salem EA. Reno-protective effect of nicorandil and pentoxifylline against potassium dichromate-induced acute renal injury via modulation p38MAPK/Nrf2/HO-1 and Notch1/TLR4/NF-κB signaling pathways. J Trace Elem Med Biol 2024; 85:127474. [PMID: 38788404 DOI: 10.1016/j.jtemb.2024.127474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2024] [Revised: 04/09/2024] [Accepted: 05/16/2024] [Indexed: 05/26/2024]
Abstract
BACKGROUND Occupational and environmental exposure to chromium compounds such as potassium dichromate (PDC) (K2Cr2O7) has emerged as a potential aetiologic cause for renal disease through apoptotic, and inflammatory reactions. The known potent antioxidants such as nicorandil (NIC) and/or pentoxifylline (PTX) were studied for their possible nephroprotective effect in PDC-treated rats. METHODS Forty male Wistar rats were divided into five groups; control, PDC group, NIC+PDC, PTX+PDC group, and combination+PDC group. Nephrotoxicity was evaluated histopathologically and biochemically. Invasive blood pressure, renal function parameters urea, creatinine, uric acid and albumin, glomerular filtration rate markers Cys-C, Kim-1 and NGAL, inflammatory markers IL-1β, IL-6, TNF-α, TGF-β, COX-II, p38MAPK, NF-κB and TLR4, oxidative stress SOD, GSH, MDA, MPO, HO-1 and Nrf2 and apoptotic mediators Notch1 and PCNA were evaluated. Besides, renal cortical histopathology was assayed as well. RESULTS PDC led to a considerable increase in indicators for kidney injury, renal function parameters, invasive blood pressure, oxidative stress, and inflammatory markers. They were markedly reduced by coadministration of PDC with either/or NIC and PTX. The NIC and PTX combination regimen showed a more significant improvement than either medication used alone. Our results demonstrated the nephroprotective effect of NIC, PTX, and their combined regimen on PDC-induced kidney injury through suppression of oxidative stress, apoptosis, and inflammatory response. CONCLUSION Renal recovery from PDC injury was achieved through enhanced MAPK/Nrf2/HO-1 and suppressed Notch1/TLR4/NF-κB signaling pathways. This study highlights the role of NIC and PTX as effective interventions to ameliorate nephrotoxicity in patients undergoing PDC toxicity.
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Affiliation(s)
- Ehab A M El-Shoura
- Department of Clinical Pharmacy, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, Assiut 71524, Egypt; Department of Pharmacy Practice, Faculty of Pharmacy, Horus University, New Damietta, Egypt.
| | - Lobna A Abdelzaher
- Department of Pharmacology, Faculty of Medicine, Assiut University, Assiut, Egypt
| | - Ahmed A N Ahmed
- Department of Pharmacology, Faculty of Medicine, Al-Azhar University, Assiut, Egypt
| | - Basel A Abdel-Wahab
- Department of Pharmacology, College of Pharmacy, Najran University, P.O. Box 1988, Najran, Saudi Arabia
| | - Souty M Z Sharkawi
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, Egypt
| | | | - Esraa A Salem
- Department of Medical Physiology, Faculty of Medicine, Menoufia University, Shebeen ElKom 32511, Egypt
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Huang CY, Le HHT, Tsai HC, Tang CH, Yu JH. The effect of low-level laser therapy on osteoclast differentiation: Clinical implications for tooth movement and bone density. J Dent Sci 2024; 19:1452-1460. [PMID: 39035342 PMCID: PMC11259655 DOI: 10.1016/j.jds.2024.03.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2024] [Revised: 03/25/2024] [Indexed: 07/23/2024] Open
Abstract
Background/purpose Osteoclast differentiation is crucial for orchestrating both tooth movement and the maintenance of bone density. Therefore, the current study sought to explore the impact of low-level laser therapy (LLLT) on osteoclast differentiation, functional gene expression, molecular signaling pathways, and orthodontic tooth movement in clinical settings. Materials and methods The RAW 264.7 cell line served as the precursor for osteoclasts, and these cells underwent irradiation using a 808-nm LLLT. Osteoclast differentiation was assessed through tartrate-resistant acid phosphatase (TRAP) staining. Functional gene expression levels were evaluated using real-time quantitative polymerase chain reaction (RT-qPCR) while signaling molecules were examined through Western blot analysis. In the clinical study, 12 participants were enrolled. Their tooth movement was monitored using a TRIOS desktop scanner. Bone density measurements were conducted using Mimics software, which processed cone-beam computed tomography (CBCT) images exported in Digital Imaging and Communications in Medicine (DICOM) format. Results We found that LLLT effectively promoted receptor activator of nuclear factor-κB ligand (RANKL)-dependent osteoclast differentiation and the expression of osteoclast functional genes, including matrix metallopeptidase 9 (MMP9), nuclear factor of activated T-cells cytoplasmic 1(NFATc1), tartrate-resistant acid phosphatase (TRAP) and cathepsin K (CTSK) in RAW264.7 cells. Clinically, the cumulative tooth movement over 90 days was significantly higher in the laser group than in the control group. Conclusion Our research demonstrates that LLLT not only significantly promotes osteoclast differentiation but is also a valuable adjunct in orthodontic therapy.
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Affiliation(s)
- Chun-Yi Huang
- School of Dentistry, College of Dentistry, China Medical University, Taichung, Taiwan
- Department of Orthodontics, China Medical University Hospital Medical Center, Taichung, Taiwan
| | - Huynh Hoai Thuong Le
- Graduate Institute of Biomedical Sciences, College of Medicine, China Medical University, Taichung, Taiwan
| | - Hsiao-Chi Tsai
- Division of Hematology and Oncology, Department of Internal Medicine, China Medical University Hospital, Taichung, Taiwan
- Department of Pharmacology, School of Medicine, College of Medicine, China Medical University, Taichung, Taiwan
| | - Chih-Hsin Tang
- Graduate Institute of Biomedical Sciences, College of Medicine, China Medical University, Taichung, Taiwan
- Department of Pharmacology, School of Medicine, College of Medicine, China Medical University, Taichung, Taiwan
- Department of Medical Laboratory Science and Biotechnology, College of Medical and Health Science, Asia University, Taichung, Taiwan
| | - Jian-Hong Yu
- School of Dentistry, College of Dentistry, China Medical University, Taichung, Taiwan
- Department of Orthodontics, China Medical University Hospital Medical Center, Taichung, Taiwan
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Jiang T, Xia T, Qiao F, Wang N, Jiang Y, Xin H. Role and Regulation of Transcription Factors in Osteoclastogenesis. Int J Mol Sci 2023; 24:16175. [PMID: 38003376 PMCID: PMC10671247 DOI: 10.3390/ijms242216175] [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: 09/24/2023] [Revised: 11/01/2023] [Accepted: 11/08/2023] [Indexed: 11/26/2023] Open
Abstract
Bones serve mechanical and defensive functions, as well as regulating the balance of calcium ions and housing bone marrow.. The qualities of bones do not remain constant. Instead, they fluctuate throughout life, with functions increasing in some situations while deteriorating in others. The synchronization of osteoblast-mediated bone formation and osteoclast-mediated bone resorption is critical for maintaining bone mass and microstructure integrity in a steady state. This equilibrium, however, can be disrupted by a variety of bone pathologies. Excessive osteoclast differentiation can result in osteoporosis, Paget's disease, osteolytic bone metastases, and rheumatoid arthritis, all of which can adversely affect people's health. Osteoclast differentiation is regulated by transcription factors NFATc1, MITF, C/EBPα, PU.1, NF-κB, and c-Fos. The transcriptional activity of osteoclasts is largely influenced by developmental and environmental signals with the involvement of co-factors, RNAs, epigenetics, systemic factors, and the microenvironment. In this paper, we review these themes in regard to transcriptional regulation in osteoclastogenesis.
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Affiliation(s)
- Tao Jiang
- School of Pharmacy, Naval Medical University, Shanghai 200433, China; (T.J.); (T.X.); (F.Q.)
- School of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou 350122, China
| | - Tianshuang Xia
- School of Pharmacy, Naval Medical University, Shanghai 200433, China; (T.J.); (T.X.); (F.Q.)
| | - Fangliang Qiao
- School of Pharmacy, Naval Medical University, Shanghai 200433, China; (T.J.); (T.X.); (F.Q.)
| | - Nani Wang
- Department of Medicine, Zhejiang Academy of Traditional Chinese Medicine, Hangzhou 310007, China;
| | - Yiping Jiang
- School of Pharmacy, Naval Medical University, Shanghai 200433, China; (T.J.); (T.X.); (F.Q.)
| | - Hailiang Xin
- School of Pharmacy, Naval Medical University, Shanghai 200433, China; (T.J.); (T.X.); (F.Q.)
- School of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou 350122, China
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miR-134-5p inhibits osteoclastogenesis through a novel miR-134-5p/Itgb1/MAPK pathway. J Biol Chem 2022; 298:102116. [PMID: 35691339 PMCID: PMC9257423 DOI: 10.1016/j.jbc.2022.102116] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 05/24/2022] [Accepted: 05/25/2022] [Indexed: 11/24/2022] Open
Abstract
Osteoporosis affects approximately 200 million people and severely affects quality of life, but the exact pathological mechanisms behind this disease remain unclear. Various miRNAs have been shown to play a predominant role in the regulation of osteoclast formation. In this study, we explored the role of miR-134-5p in osteoclastogenesis both in vivo and in vitro. We constructed an ovariectomized (OVX) mouse model and performed microarray analysis using bone tissue from OVX mice and their control counterparts. Quantitative RT-PCR data from bone tissue and bone marrow macrophages (BMMs) confirmed the decreased expression of miR-134-5p in OVX mice observed in microarray analysis. In addition, a decrease in miR-134-5p was also observed during induced osteoclastogenesis of BMMs collected from C57BL/6N mice. Through transfection with miR-134-5p agomirs and antagomirs, we found that miR-134-5p knockdown significantly accelerated osteoclast formation and cell proliferation and inhibited apoptosis. Furthermore, a luciferase reporter assay showed that miR-134-5p directly targets the integrin surface receptor gene Itgb1. Cotransfection with Itgb1 siRNA reversed the effect of the miR-134-5p antagomir in promoting osteoclastogenesis. Moreover, the abundance levels of MAPK pathway proteins phosphorylated-p38 (p-p38) and phosphorylated-ERK (p-ERK) were significantly increased after transfection with the miR-134-5p antagomir but decreased after transfection with the miR-134-5p agomir or Itgb1 siRNA, which indicated a potential relationship between the miR-134-5p/Itgb1 axis and the MAPK pathway. Collectively, these results revealed that miR-134-5p inhibits osteoclast differentiation of BMMs both in vivo and in vitro and that the miR-134-5p/Itgb1/MAPK pathway might be a potential target for osteoporosis therapy.
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Pan B, Zheng L, Fang J, Lin Y, Lai H, Gao J, Pan W, Zhang Y, Ni K, Lou C, He D. Azilsartan Suppresses Osteoclastogenesis and Ameliorates Ovariectomy-Induced Osteoporosis by Inhibiting Reactive Oxygen Species Production and Activating Nrf2 Signaling. Front Pharmacol 2021; 12:774709. [PMID: 34899338 PMCID: PMC8662525 DOI: 10.3389/fphar.2021.774709] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Accepted: 11/12/2021] [Indexed: 11/13/2022] Open
Abstract
Osteoporosis is characterized by a decrease in bone mass and destruction of the bone microarchitecture, and it commonly occurs in postmenopausal women and the elderly. Overactivation of osteoclasts caused by the inflammatory response or oxidative stress leads to osteoporosis. An increasing number of studies have suggested that intracellular reactive oxygen species (ROS) are strongly associated with osteoclastogenesis. As a novel angiotensin (Ang) II receptor blocker (ARB), azilsartan was reported to be associated with the inhibition of intracellular oxidative stress processes. However, the relationship between azilsartan and osteoclastogenesis is still unknown. In this study, we explored the effect of azilsartan on ovariectomy-induced osteoporosis in mice. Azilsartan significantly inhibited the receptor activator of nuclear factor-κB ligand (RANKL)-mediated osteoclastogenesis and downregulated the expression of osteoclast-associated markers (Nfatc1, c-Fos, and Ctsk) in vitro. Furthermore, azilsartan reduced RANKL-induced ROS production by increasing the expression of nuclear factor erythroid 2-related factor 2 (Nrf2). Mechanistically, azilsartan inhibited the activation of MAPK/NF-κB signaling pathways, while Nrf2 silencing reversed the inhibitory effect of azilsartan on MAPK/NF-κB signaling pathways. Consistent with the in vitro data, azilsartan administration ameliorated ovariectomy (OVX)-induced osteoporosis, and decreased ROS levels in vivo. In conclusion, azilsartan inhibited oxidative stress and may be a novel treatment strategy for osteoporosis caused by osteoclast overactivation.
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Affiliation(s)
- Bin Pan
- Department of Orthopedics, Lishui hospital, Zhejiang University School of Medicine, Lishui, China.,Department of Orthopedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of Imaging Diagnosis and Minimally Invasive Intervention Research of Zhejiang Province, Lishui hospital, Lishui, China
| | - Lin Zheng
- Department of Orthopedics, Lishui hospital, Zhejiang University School of Medicine, Lishui, China.,Department of Orthopedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jiawei Fang
- Department of Orthopedics, Lishui hospital, Zhejiang University School of Medicine, Lishui, China.,Key Laboratory of Imaging Diagnosis and Minimally Invasive Intervention Research of Zhejiang Province, Lishui hospital, Lishui, China
| | - Ye Lin
- Department of Orthopedics, Lishui hospital, Zhejiang University School of Medicine, Lishui, China.,Key Laboratory of Imaging Diagnosis and Minimally Invasive Intervention Research of Zhejiang Province, Lishui hospital, Lishui, China
| | - Hehuan Lai
- Key Laboratory of Imaging Diagnosis and Minimally Invasive Intervention Research of Zhejiang Province, Lishui hospital, Lishui, China
| | - Jiawei Gao
- Department of Orthopedics, Lishui hospital, Zhejiang University School of Medicine, Lishui, China.,Department of Orthopedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of Imaging Diagnosis and Minimally Invasive Intervention Research of Zhejiang Province, Lishui hospital, Lishui, China
| | - Wenzheng Pan
- Department of Orthopedics, Lishui hospital, Zhejiang University School of Medicine, Lishui, China.,Key Laboratory of Imaging Diagnosis and Minimally Invasive Intervention Research of Zhejiang Province, Lishui hospital, Lishui, China
| | - Yejin Zhang
- Department of Orthopedics, Lishui hospital, Zhejiang University School of Medicine, Lishui, China.,Department of Orthopedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of Imaging Diagnosis and Minimally Invasive Intervention Research of Zhejiang Province, Lishui hospital, Lishui, China
| | - Kainan Ni
- Department of Orthopedics, Lishui hospital, Zhejiang University School of Medicine, Lishui, China.,Key Laboratory of Imaging Diagnosis and Minimally Invasive Intervention Research of Zhejiang Province, Lishui hospital, Lishui, China
| | - Chao Lou
- Department of Orthopedics, Lishui hospital, Zhejiang University School of Medicine, Lishui, China.,Key Laboratory of Imaging Diagnosis and Minimally Invasive Intervention Research of Zhejiang Province, Lishui hospital, Lishui, China
| | - Dengwei He
- Department of Orthopedics, Lishui hospital, Zhejiang University School of Medicine, Lishui, China.,Key Laboratory of Imaging Diagnosis and Minimally Invasive Intervention Research of Zhejiang Province, Lishui hospital, Lishui, China
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