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Chen Z, Zhao Q, Chen L, Gao S, Meng L, Liu Y, Wang Y, Li T, Xue J. MAGP2 promotes osteogenic differentiation during fracture healing through its crosstalk with the β-catenin pathway. J Cell Physiol 2024; 239:e31183. [PMID: 38348695 DOI: 10.1002/jcp.31183] [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: 10/12/2023] [Revised: 12/06/2023] [Accepted: 12/12/2023] [Indexed: 04/12/2024]
Abstract
Osteogenic differentiation is important for fracture healing. Microfibrial-associated glycoprotein 2 (MAGP2) is found to function as a proangiogenic regulator in bone formation; however, its role in osteogenic differentiation during bone repair is not clear. Here, a mouse model of critical-sized femur fracture was constructed, and the adenovirus expressing MAGP2 was delivered into the fracture site. Mice with MAGP2 overexpression exhibited increased bone mineral density and bone volume fraction (BV/TV) at Day 14 postfracture. Within 7 days postfracture, overexpression of MAGP2 increased collagen I and II expression at the fracture callus, with increasing chondrogenesis. MAGP2 inhibited collagen II level but elevated collagen I by 14 days following fracture, accompanied by increased endochondral bone formation. In mouse osteoblast precursor MC3T3-E1 cells, MAGP2 treatment elevated the expression of osteoblastic factors (osterix, BGLAP and collagen I) and enhanced ALP activity and mineralization through activating β-catenin signaling after osteogenic induction. Besides, MAGP2 could interact with lipoprotein receptor-related protein 5 (LRP5) and upregulated its expression. Promotion of osteogenic differentiation and β-catenin activation mediated by MAGP2 was partially reversed by LRP5 knockdown. Interestingly, β-catenin/transcription factor 4 (TCF4) increased MAGP2 expression probably by binding to MAGP2 promoter. These findings suggest that MAGP2 may interact with β-catenin/TCF4 to enhance β-catenin/TCF4's function and activate LRP5-activated β-catenin signaling pathway, thus promoting osteogenic differentiation for fracture repair. mRNA sequencing identified the potential targets of MAGP2, providing novel insights into MAGP2 function and the directions for future research.
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Affiliation(s)
- Zhiguang Chen
- Department of Emergency Medicine, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Qi Zhao
- Department of Emergency Medicine, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Lianghong Chen
- Department of Emergency Medicine, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Songlan Gao
- Department of Emergency Medicine, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Lingshuai Meng
- Department of Emergency Medicine, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Yingjie Liu
- Department of Emergency Medicine, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Yu Wang
- Department of Emergency Medicine, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Tiegang Li
- Department of Emergency Medicine, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Jinqi Xue
- Department of Oncology, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
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Wu J, Niu L, Yang K, Xu J, Zhang D, Ling J, Xia P, Wu Y, Liu X, Liu J, Zhang J, Yu P. The role and mechanism of RNA-binding proteins in bone metabolism and osteoporosis. Ageing Res Rev 2024; 96:102234. [PMID: 38367813 DOI: 10.1016/j.arr.2024.102234] [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: 10/11/2023] [Revised: 02/06/2024] [Accepted: 02/13/2024] [Indexed: 02/19/2024]
Abstract
Osteoporosis is a prevalent chronic metabolic bone disease that poses a significant risk of fractures or mortality in elderly individuals. Its pathophysiological basis is often attributed to postmenopausal estrogen deficiency and natural aging, making the progression of primary osteoporosis among elderly people, especially older women, seemingly inevitable. The treatment and prevention of osteoporosis progression have been extensively discussed. Recently, as researchers delve deeper into the molecular biological mechanisms of bone remodeling, they have come to realize the crucial role of posttranscriptional gene control in bone metabolism homeostasis. RNA-binding proteins, as essential actors in posttranscriptional activities, may exert influence on osteoporosis progression by regulating the RNA life cycle. This review compiles recent findings on the involvement of RNA-binding proteins in abnormal bone metabolism in osteoporosis and describes the impact of some key RNA-binding proteins on bone metabolism regulation. Additionally, we explore the potential and rationale for modulating RNA-binding proteins as a means of treating osteoporosis, with an overview of drugs that target these proteins.
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Affiliation(s)
- Jiaqiang Wu
- Jiujiang Clinical Precision Medicine Research Center, Jiujiang, Jiangxi, 332000, China; The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang 330006, China; Department of General Surgery, First Medical Center of the Chinese PLA General Hospital, Beijing, China
| | - Liyan Niu
- HuanKui College of Nanchang University, Nanchang 330006, China
| | - Kangping Yang
- The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang 330006, China
| | - Jingdong Xu
- Queen Mary College of Nanchang University, Nanchang 330006, China
| | - Deju Zhang
- Food and Nutritional Sciences, School of Biological Sciences, The University of Hong Kong, Pokfulam Road, 999077, Hong Kong, China
| | - Jitao Ling
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, No. 1, Minde Road, Donghu District, Nanchang 330006, China; Institute for the Study of Endocrinology and Metabolism in Jiangxi Province, Nanchang 330006, China
| | - Panpan Xia
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, No. 1, Minde Road, Donghu District, Nanchang 330006, China; Institute for the Study of Endocrinology and Metabolism in Jiangxi Province, Nanchang 330006, China
| | - Yuting Wu
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, No. 1, Minde Road, Donghu District, Nanchang 330006, China; Institute for the Study of Endocrinology and Metabolism in Jiangxi Province, Nanchang 330006, China
| | - Xiao Liu
- Department of Cardiology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510275, China
| | - Jianping Liu
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, No. 1, Minde Road, Donghu District, Nanchang 330006, China; Institute for the Study of Endocrinology and Metabolism in Jiangxi Province, Nanchang 330006, China
| | - Jing Zhang
- Jiujiang Clinical Precision Medicine Research Center, Jiujiang, Jiangxi, 332000, China; Department of Anesthesiology, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, 330006, China.
| | - Peng Yu
- Jiujiang Clinical Precision Medicine Research Center, Jiujiang, Jiangxi, 332000, China; Department of Endocrinology and Metabolism, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, No. 1, Minde Road, Donghu District, Nanchang 330006, China; Institute for the Study of Endocrinology and Metabolism in Jiangxi Province, Nanchang 330006, China.
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103
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Gong X, Fu Y, Zhou L, Wei A, Pan C, Zhu T, Li H. Decoding chronic rhinosinusitis: A metabolomics-based approach. Int Forum Allergy Rhinol 2024; 14:828-840. [PMID: 38343156 DOI: 10.1002/alr.23331] [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: 09/11/2023] [Revised: 01/10/2024] [Accepted: 01/15/2024] [Indexed: 04/04/2024]
Abstract
BACKGROUND Chronic rhinosinusitis (CRS) is a common and intractable disease in otorhinolaryngology, laying a heavy burden on healthcare systems. The worldwide researchers are making efforts to find solutions to this disease. Metabolomics has recently gained more and more traction, and might become a promising tool to unravel the complexity of CRS. This paper provides an overview of current studies on the metabolomics of various CRS subtypes. METHODS We conducted a comprehensive literature search in PubMed, Web of Science, EMBASE, Google Scholar, and Cochrane Library, up to May 25, 2023. Search strategies incorporated key terms such as "chronic rhinosinusitis" and "metabolomics" with relevant synonyms and MeSH terms. Titles and abstracts of 86 screened articles were assessed for relevance to CRS and metabolomics. Methodological robustness, data reliability, and relevance were considered for shortlisted articles. RESULTS After the refined process, a total of 26 articles were included in this study and sorted out by research themes, methodology and pivotal discoveries. These included studies identified the metabolic pathways and markers related to the pathophysiology in each subtype of CRS. CONCLUSIONS Metabolomics helps to shed light on the complexity of CRS. The mentioned findings highlight the importance of specific metabolic pathways and markers in understanding the pathophysiology of CRS. Despite that, challenges and future directions in metabolomics research for CRS would be worth being further explored.
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Affiliation(s)
- Xinru Gong
- Health and Rehabilitation College, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Yijie Fu
- School of Preclinical Medicine, Chengdu University, Chengdu, Sichuan, China
| | - Lei Zhou
- Health and Rehabilitation College, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Aiming Wei
- Health and Rehabilitation College, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Chongsheng Pan
- Health and Rehabilitation College, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Tianmin Zhu
- Health and Rehabilitation College, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Hui Li
- School of Preclinical Medicine, Chengdu University, Chengdu, Sichuan, China
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Hessel E, Ghanta P, Winschel T, Melnyk L, Oyewumi MO. Fabrication of 3D-printed scaffolds loaded with gallium acetylacetonate for potential application in osteoclastic bone resorption. Pharm Dev Technol 2024; 29:339-352. [PMID: 38502579 DOI: 10.1080/10837450.2024.2332459] [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: 11/09/2023] [Accepted: 03/15/2024] [Indexed: 03/21/2024]
Abstract
We recently reported the potential of a new gallium compound, gallium acetylacetonate (GaAcAc) in combating osteoclastic bone resorption through inhibition of osteoclast differentiation and function. Herein, we focused on 3D-printed polylactic acid scaffolds that were loaded with GaAcAc and investigated the impact of scaffold pretreatment with polydopamine (PDA) or sodium hydroxide (NaOH). We observed a remarkable increase in scaffold hydrophilicity with PDA or NaOH pretreatment while biocompatibility and in vitro degradation were not affected. NaOH-pretreated scaffolds showed the highest amount of GaAcAc loading when compared to other scaffolds (p < 0.05). NaOH-pretreated scaffolds with GaAcAc loading showed effective reduction of osteoclast counts and size. The trend was supported by suppression of key osteoclast differentiation markers such as NFAT2, c-Fos, TRAF6, & TRAP. All GaAcAc-loaded scaffolds, regardless of surface pretreatment, were effective in inhibiting osteoclast function as evidenced by reduction in the number of resorptive pits in bovine cortical bone slices (p < 0.01). The suppression of osteoclast function according to the type of scaffold followed the ranking: GaAcAc loading without surface pretreatment > GaAcAc loading with NaOH pretreatment > GaAcAc loading with PDA pretreatment. Additional studies will be needed to fully elucidate the impact of surface pretreatment on the efficacy and safety of GaAcAc-loaded 3D-printed scaffolds.
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Affiliation(s)
- Evin Hessel
- Advanced Drug Delivery Laboratory, Department of Pharmaceutical Sciences, College of Pharmacy, Northeast Ohio Medical University, Rootstown, OH, USA
| | - Pratyusha Ghanta
- Advanced Drug Delivery Laboratory, Department of Pharmaceutical Sciences, College of Pharmacy, Northeast Ohio Medical University, Rootstown, OH, USA
- School of Biomedical Sciences, Kent State University, Kent, OH, USA
| | - Timothy Winschel
- Advanced Drug Delivery Laboratory, Department of Pharmaceutical Sciences, College of Pharmacy, Northeast Ohio Medical University, Rootstown, OH, USA
| | - Larissa Melnyk
- Advanced Drug Delivery Laboratory, Department of Pharmaceutical Sciences, College of Pharmacy, Northeast Ohio Medical University, Rootstown, OH, USA
| | - Moses O Oyewumi
- Advanced Drug Delivery Laboratory, Department of Pharmaceutical Sciences, College of Pharmacy, Northeast Ohio Medical University, Rootstown, OH, USA
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Choi DY, Shin N, Park S, Han DH, Park K, Park MK. Effect of diesel exhaust particles on RANK/RANKL expression in in vivo and in vitro models of middle ear inflammation. Int J Pediatr Otorhinolaryngol 2024; 179:111929. [PMID: 38555812 DOI: 10.1016/j.ijporl.2024.111929] [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: 01/04/2024] [Revised: 03/16/2024] [Accepted: 03/21/2024] [Indexed: 04/02/2024]
Abstract
OBJECTIVE Increasing evidence suggests a link between middle ear inflammation and the development of diesel exhaust particles (DEPs). Chronic middle ear inflammation can lead to bone damage and remodeling. This study aimed to explore the impact of DEPs on the expression of interleukin (IL)-6 and RANKL under conditions of middle ear inflammation. METHODS DEPs were collected by burning fuel in a diesel engine at the Gwangju Institute of Science and Technology. Human middle ear epithelial cells were cultured to 70-80% confluence in culture plates and then treated with DEPs at concentrations of 0, 5, 10, 20, 40, and 80 μg/mL for 24 h. Cell viability was assessed manually. B6.SJL mice, aged 9 weeks, were exposed to DEPs at a concentration of 200 μg/m3 for 1 h daily over a period of 28 days. The expression levels of IL-6, tumor necrosis factor α, RANKL, and RANK were evaluated using hematoxylin and eosin staining and western blot analysis of the harvested middle ear samples. RESULTS The viability of human middle ear epithelial cells was found to decrease in a dose-dependent manner after 24 h. The mRNA expression level of IL-6 exhibited the most significant increase at the 48-h mark. In contrast, the mRNA expression levels of RANKL and RANK showed a marked increase as early as 6 h post-exposure, with both genes subsequently displaying a time-dependent decrease. Histological analysis revealed that the middle ear mucosa was thicker in the group exposed to DEPs compared to the control group. Additionally, the protein expression levels of IL-6 and RANKL were elevated in the DEP-exposed group relative to the normal control group. CONCLUSIONS We confirmed the expression of osteoclast-related proteins in the mouse middle ear. These results imply that air pollutants might affect RANKL/RANK signaling, which is associated with bone remodeling.
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Affiliation(s)
- Da Yeon Choi
- Interdisciplinary Program in Neuroscience, College of Natural Sciences, Seoul National University, Seoul, South Korea
| | - Nayeon Shin
- Interdisciplinary Program in Neuroscience, College of Natural Sciences, Seoul National University, Seoul, South Korea
| | - Sohyeon Park
- Interdisciplinary Program in Neuroscience, College of Natural Sciences, Seoul National University, Seoul, South Korea
| | - Doo Hee Han
- Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University College of Medicine, Seoul, South Korea
| | - Kihong Park
- School of Earth Sciences and Environmental Engineering, Gwangju Institute of Science and Technology, Gwangju, South Korea
| | - Moo Kyun Park
- Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University College of Medicine, Seoul, South Korea; Sensory Organ Research Institute, Seoul National University Medical Research Center, Seoul, South Korea.
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Liu X, Wang X, Ma X, Li H, Miao C, Tian Z, Hu Y. Genetic disruption of Ano5 leads to impaired osteoclastogenesis for gnathodiaphyseal dysplasia. Oral Dis 2024; 30:1403-1415. [PMID: 36989132 DOI: 10.1111/odi.14562] [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: 10/22/2022] [Revised: 03/08/2023] [Accepted: 03/10/2023] [Indexed: 03/19/2023]
Abstract
OBJECTIVES Gnathodiaphyseal dysplasia (GDD; OMIM#166260) is a rare skeletal genetic disorder characterized by sclerosis of tubular bones and cemento-osseous lesions in mandibles. TMEM16E/ANO5 gene mutations have been identified in patients with GDD. Here, Ano5 knockout (Ano5-/-) mice with enhanced osteoblastogenesis were used to investigate whether Ano5 disruption affects osteoclastogenesis. SUBJECTS AND METHODS The maturation of osteoclasts, formation of F-actin ring and bone resorption were detected by immunohistochemistry, TRAP, phalloidin staining and Coming Osteo assays. The expression of osteoclast-related factors was measured by qRT-PCR. Early signaling pathways were verified by western blot. RESULTS Ano5-/- mice exhibited inhibitory formation of multinucleated osteoclasts with a reduction of TRAP activity. The expression of Nfatc1, c-Fos, Trap, Ctsk, Mmp9, Rank and Dc-stamp was significantly decreased in bone tissues and bone marrow-derived macrophages (BMMs) of Ano5-/- mice. Ano5-/- osteoclasts manifested disrupted actin ring and less mineral resorption. RANKL-induced early signaling pathways were suppressed in Ano5-/- osteoclasts and Ano5 knockdown RAW264.7 cells. Moreover, the inhibitory effects of NF-κB signalling pathway on osteoclastogenesis were partially attenuated with NF-κB signalling activator. CONCLUSIONS Ano5 deficiency impairs osteoclastogenesis, which leads to enhanced osteogenic phenotypes mediated by bone homeostasis dysregulation.
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Affiliation(s)
- Xiu Liu
- Beijing Institute of Dental Research, Beijing Stomatological Hospital, Capital Medical University, Beijing, 100050, China
- Department of Oral Medicine, Beijing Stomatological Hospital, Capital Medical University, Beijing, 100050, China
| | - Xiaoyu Wang
- Beijing Institute of Dental Research, Beijing Stomatological Hospital, Capital Medical University, Beijing, 100050, China
| | - Xinrong Ma
- Beijing Institute of Dental Research, Beijing Stomatological Hospital, Capital Medical University, Beijing, 100050, China
| | - Hongyu Li
- Beijing Institute of Dental Research, Beijing Stomatological Hospital, Capital Medical University, Beijing, 100050, China
| | - Congcong Miao
- Beijing Institute of Dental Research, Beijing Stomatological Hospital, Capital Medical University, Beijing, 100050, China
| | - Zhenchuan Tian
- Beijing Institute of Dental Research, Beijing Stomatological Hospital, Capital Medical University, Beijing, 100050, China
| | - Ying Hu
- Beijing Institute of Dental Research, Beijing Stomatological Hospital, Capital Medical University, Beijing, 100050, China
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Yongzhen L, Yan G, Jing L, Chenyan R, Chuanqing M, Yun S, Weihui C. Embryonic inhibition of colony-stimulating factor 1 receptor induces enlarged cartilaginous zone of the midpalatal suture in postnatal mice. Orthod Craniofac Res 2024; 27:276-286. [PMID: 37904627 DOI: 10.1111/ocr.12724] [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: 08/06/2023] [Revised: 09/03/2023] [Accepted: 10/16/2023] [Indexed: 11/01/2023]
Abstract
OBJECTIVES The midpalatal suture acts as the growth centre of the maxilla. Colony-stimulating factor 1 receptor (CSF1R) is essential for osteoclastogenesis. Deletion of CSF1R, and its ligand, results in significant craniofacial phenotypes but has not been studied in detail in the midpalatal suture. MATERIALS AND METHODS Pregnant ICR mice were treated with the CSF1R inhibitor PLX5622 at embryo Day 14.5 (E14.5) to E17.5. Pups at E18.5, postnatal Day 3 (P3) and P7 were collected for skeletal and histological staining. Osteoclasts were labelled using TRAP staining. PHH3 and TUNEL were employed to detect cell proliferation and apoptosis. Sox9, Ihh, and Col10a1 and Runx2, Col1a1, and DMP1 were used to detect chondrogenic differentiation and osteogenic differentiation, respectively. CD31, MMP9 and CTSK were utilized to assess vascular invasion and osteoclast secretion enzymes, respectively. RESULTS Embryonic inhibition of CSF1R resulted in a depletion of TRAP-positive cells and an enlarged cartilage zone of the midpalatal suture of postnatal mice. Compared to those in the control group, Sox9, Ihh, Col10a1, Runx2 and Col1a1 were upregulated, whereas TUNEL and DMP1 were decreased in this zone. In the trabecular region, Col10a1 was upregulated, while TUNEL, Col1a1 and DMP1 were downregulated. Moreover, the expression of MMP9, CTSK and CD31 was decreased, and invasion into the cartilage zone was delayed. CONCLUSIONS Embryonic inhibition of CSF1R led to an abnormally enlarged cartilaginous zone in the midpalatal suture, potentially due to delayed endochondral ossification caused by the depletion of osteoclasts. Additionally, we established a novel model of midpalatal suture dysplasia, offering prospects for future research.
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Affiliation(s)
- Lai Yongzhen
- Department of Oral and Cranio-maxillofacial Science, Fujian Medical university Union Hospital, Fuzhou, China
- Stomatological Key Laboratory of Fujian College and University, Fuzhou, China
| | - Guo Yan
- Stomatological Key Laboratory of Fujian College and University, Fuzhou, China
| | - Liu Jing
- Department of Stomatology, Fujian Maternal and Child Health Hospital, Fuzhou, China
| | - Ren Chenyan
- Stomatological Key Laboratory of Fujian College and University, Fuzhou, China
| | - Mao Chuanqing
- Department of Oral and Cranio-maxillofacial Science, Fujian Medical university Union Hospital, Fuzhou, China
| | - Shi Yun
- Stomatological Key Laboratory of Fujian College and University, Fuzhou, China
| | - Chen Weihui
- Department of Oral and Cranio-maxillofacial Science, Fujian Medical university Union Hospital, Fuzhou, China
- Stomatological Key Laboratory of Fujian College and University, Fuzhou, China
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Hashim N, Babiker R, Mohammed R, Rehman MM, Chaitanya NC, Gobara B. NLRP3 Inflammasome in Autoinflammatory Diseases and Periodontitis Advance in the Management. JOURNAL OF PHARMACY AND BIOALLIED SCIENCES 2024; 16:S1110-S1119. [PMID: 38882867 PMCID: PMC11174327 DOI: 10.4103/jpbs.jpbs_1118_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Revised: 11/24/2023] [Accepted: 12/06/2023] [Indexed: 06/18/2024] Open
Abstract
Inflammatory chemicals are released by the immune system in response to any perceived danger, including irritants and pathogenic organisms. The caspase activation and the response of inflammation are governed by inflammasomes, which are sensors and transmitters of the innate immune system. They have always been linked to swelling and pain. Research has mainly concentrated on the NOD-like protein transmitter 3 (NLRP3) inflammasome. Interleukin (IL)-1 and IL-18 are pro-inflammatory cytokines that are activated by the NOD-like antibody protein receptor 3 (NLRP3), which controls innate immune responses. The NLRP3 inflammasome has been associated with gum disease and other autoimmune inflammatory diseases in several studies. Scientists' discovery of IL-1's central role in the pathophysiology of numerous autoimmune disorders has increased public awareness of these conditions. The first disease to be connected with aberrant inflammasome activation was the autoinflammatory cryopyrin-associated periodic syndrome (CAPS). Targeted therapeutics against IL-1 have been delayed in development because their underlying reasons are poorly understood. The NLRP3 inflammasome has recently been related to higher production and activation in periodontitis. Multiple periodontal cell types are controlled by the NLRP3 inflammasome. To promote osteoclast genesis, the NLRP3 inflammasome either increases receptor-activator of nuclear factor kappa beta ligand (RANKL) synthesis or decreases osteoclast-promoting gene (OPG) levels. By boosting cytokines that promote inflammation in the periodontal ligament fibroblasts and triggering apoptosis in osteoblasts, the NLRP3 inflammasome regulates immune cell activity. These findings support further investigation into the NLRP3 inflammasome as a therapeutic target for the medical treatment of periodontitis. This article provides a short overview of the NLRP3 inflammatory proteins and discusses their role in the onset of autoinflammatory disorders (AIDs) and periodontitis.
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Affiliation(s)
- Nada Hashim
- RAK College of Dental Sciences, RAK Medical and Health Sciences University, Ras al-Khaimah, UAE
| | - Rasha Babiker
- RAK College of Medical Sciences, RAK Medical and Health Sciences University, Ras-al-Khaimah, UAE
| | - Riham Mohammed
- RAK College of Dental Sciences, RAK Medical and Health Sciences University, Ras al-Khaimah, UAE
| | | | - Nallan Csk Chaitanya
- RAK College of Dental Sciences, RAK Medical and Health Sciences University, Ras al-Khaimah, UAE
| | - Bakri Gobara
- Faculty of Dentistry, University of Khartoum, Khartoum, Sudan
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Ho TJ, Tsai WT, Wu JR, Chen HP. Biological Activities of Deer Antler-Derived Peptides on Human Chondrocyte and Bone Metabolism. Pharmaceuticals (Basel) 2024; 17:434. [PMID: 38675396 PMCID: PMC11053545 DOI: 10.3390/ph17040434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 03/24/2024] [Accepted: 03/26/2024] [Indexed: 04/28/2024] Open
Abstract
Orally administered "tortoiseshell and deer antler gelatin" is a common traditional medicine for patients with osteoporosis or osteoarthritis. From the pepsin-digested gelatin, we previously isolated and identified the osteoblast-stimulating pentapeptide, TSKYR. Its trypsin digestion products include the dipeptide YR, enhancing calcium ion uptake, and tripeptide TSK, resulting in remarkable 30- and 50-fold increases in mineralized nodule area and density in human osteoblast cells. These peptides were chemically synthesized in this study. The composition of deer antler preparations comprises not only proteins and peptides but also a significant quantity of metal ion salts. By analyzing osteoblast growth in the presence of peptide YR and various metal ions, we observed a synergistic effect of calcium and strontium on the effects of YR. Those peptides could also stimulate the growth of C2C12 skeletal muscle cells and human chondrocytes, increasing collagen and glycosaminoglycan content in a three-dimensional environment. The maintenance of bone homeostasis relies on a balance between osteoclasts and osteoblasts. Deer antler peptides were observed to inhibit osteoclast differentiation, as evidenced by ROS generation, tartrate-resistant acid phosphatase (TRACP) activity assays, and gene expression in RAW264.7 cells. In summary, our findings provide a deep understanding of the efficacy of this folk medicine.
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Affiliation(s)
- Tsung-Jung Ho
- Integration Center of Traditional Chinese and Modern Medicine, Hualien Tzu Chi Hospital, Hualien 970473, Taiwan; (T.-J.H.); (W.-T.T.)
- Department of Chinese Medicine, Hualien Tzu Chi Hospital, Hualien 970473, Taiwan
- School of Post-Baccalaureate Chinese Medicine, Tzu Chi University, Hualien 970473, Taiwan
| | - Wan-Ting Tsai
- Integration Center of Traditional Chinese and Modern Medicine, Hualien Tzu Chi Hospital, Hualien 970473, Taiwan; (T.-J.H.); (W.-T.T.)
| | - Jia-Ru Wu
- Integration Center of Traditional Chinese and Modern Medicine, Hualien Tzu Chi Hospital, Hualien 970473, Taiwan; (T.-J.H.); (W.-T.T.)
| | - Hao-Ping Chen
- Integration Center of Traditional Chinese and Modern Medicine, Hualien Tzu Chi Hospital, Hualien 970473, Taiwan; (T.-J.H.); (W.-T.T.)
- Department of Biochemistry, School of Medicine, Tzu Chi University, Hualien 970374, Taiwan
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兰 元, 余 丽, 胡 芝, 邹 淑. [Research Progress in the Regulatory Role of circRNA-miRNA Network in Bone Remodeling]. SICHUAN DA XUE XUE BAO. YI XUE BAN = JOURNAL OF SICHUAN UNIVERSITY. MEDICAL SCIENCE EDITION 2024; 55:263-272. [PMID: 38645873 PMCID: PMC11026875 DOI: 10.12182/20240360301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Indexed: 04/23/2024]
Abstract
The dynamic balance between bone formation and bone resorption is a critical process of bone remodeling. The imbalance of bone formation and bone resorption is closely associated with the occurrence and development of various bone-related diseases. Under both physiological and pathological conditions, non-coding RNAs (ncRNAs) play a crucial regulatory role in protein expression through either inhibiting mRNAs translation or promoting mRNAs degradation. Circular RNAs (circRNAs) are a type of non-linear ncRNAs that can resist the degradation of RNA exonucleases. There is accumulating evidence suggesting that circRNAs and microRNAs (miRNAs) serve as critical regulators of bone remodeling through their direct or indirect regulation of the expression of osteogenesis-related genes. Additionally, recent studies have revealed the involvement of the circRNAs-miRNAs regulatory network in the process by which mesenchymal stem cells (MSCs) differentiate towards the osteoblasts (OB) lineage and the process by which bone marrow-derived macrophages (BMDM) differentiate towards osteoclasts (OC). The circRNA-miRNA network plays an important regulatory role in the osteoblastic-osteoclastic balance of bone remodeling. Therefore, a thorough understanding of the circRNA-miRNA regulatory mechanisms will contribute to a better understanding of the regulatory mechanisms of the balance between osteoblastic and osteoclastic activities in the process of bone remodeling and the diagnosis and treatment of related diseases. Herein, we reviewed the functions of circRNA and microRNA. We also reviewed their roles in and the mechanisms of the circRNA-miRNA regulatory network in the process of bone remodeling. This review provides references and ideas for further research on the regulation of bone remodeling and the prevention and treatment of bone-related diseases.
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Affiliation(s)
- 元辰 兰
- 口腔疾病研究国家重点实验室 国家口腔疾病临床医学研究中心 四川大学华西口腔医院 正畸科 (成都 610041)State Key Laboratory of Oral Disease and National Clinical Research Center for Oral Diseases and Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - 丽媛 余
- 口腔疾病研究国家重点实验室 国家口腔疾病临床医学研究中心 四川大学华西口腔医院 正畸科 (成都 610041)State Key Laboratory of Oral Disease and National Clinical Research Center for Oral Diseases and Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - 芝爱 胡
- 口腔疾病研究国家重点实验室 国家口腔疾病临床医学研究中心 四川大学华西口腔医院 正畸科 (成都 610041)State Key Laboratory of Oral Disease and National Clinical Research Center for Oral Diseases and Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - 淑娟 邹
- 口腔疾病研究国家重点实验室 国家口腔疾病临床医学研究中心 四川大学华西口腔医院 正畸科 (成都 610041)State Key Laboratory of Oral Disease and National Clinical Research Center for Oral Diseases and Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
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Qi JL, Zhang ZD, Dong Z, Shan T, Yin ZS. mir-150-5p inhibits the osteogenic differentiation of bone marrow-derived mesenchymal stem cells by targeting irisin to regulate the p38/MAPK signaling pathway. J Orthop Surg Res 2024; 19:190. [PMID: 38500202 PMCID: PMC10949585 DOI: 10.1186/s13018-024-04671-6] [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: 12/15/2023] [Accepted: 03/11/2024] [Indexed: 03/20/2024] Open
Abstract
PURPOSE To study the effect of miR-150-5p on the osteogenic differentiation of bone marrow-derived mesenchymal stem cells (BMSCs), and further explore the relationship between its regulatory mechanism and irisin. METHODS We isolated mouse BMSCs, and induced osteogenic differentiation by osteogenic induction medium. Using qPCR to detect the expression of osteogenic differentiation-related genes, western blot to detect the expression of osteogenic differentiation-related proteins, and luciferase reporter system to verify that FNDC5 is the target of miR-150-5p. Irisin intraperitoneal injection to treat osteoporosis in mice constructed by subcutaneous injection of dexamethasone. RESULTS Up-regulation of miR-150-5p inhibited the proliferation of BMSCs, and decreased the content of osteocalcin, ALP activity, calcium deposition, the expression of osteogenic differentiation genes (Runx2, OSX, OCN, OPN, ALP and BMP2) and protein (BMP2, OCN, and Runx2). And down-regulation of miR-150-5p plays the opposite role of up-regulation of miR-150-5p on osteogenic differentiation of BMSCs. Results of luciferase reporter gene assay showed that FNDC5 gene was the target gene of miR-150-5p, and miR-150-5p inhibited the expression of FNDC5 in mouse BMSCs. The expression of osteogenic differentiation genes and protein, the content of osteocalcin, ALP activity and calcium deposition in BMSCs co-overexpressed by miR-150-5p and FNDC5 was significantly higher than that of miR-150-5p overexpressed alone. In addition, the overexpression of FNDC5 reversed the blocked of p38/MAPK pathway by the overexpression of miR-150-5p in BMSCs. Irisin, a protein encoded by FNDC5 gene, improved symptoms in osteoporosis mice through intraperitoneal injection, while the inhibitor of p38/MAPK pathway weakened this function of irisin. CONCLUSION miR-150-5p inhibits the osteogenic differentiation of BMSCs by targeting irisin to regulate the/p38/MAPK signaling pathway, and miR-150-5p/irisin/p38 pathway is a potential target for treating osteoporosis.
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Affiliation(s)
- Jia-Long Qi
- Department of Orthopedics, First Affiliated Hospital of Anhui Medical University, Hefei City, 230022, Anhui Province, China
- Department of Spine Surgery, Hefei First People's Hospital, Hefei City, 230061, Anhui Province, China
| | - Zhi-Dong Zhang
- Department of Spine Surgery, Hefei First People's Hospital, Hefei City, 230061, Anhui Province, China
| | - Zhou Dong
- Department of Spine Surgery, Hefei First People's Hospital, Hefei City, 230061, Anhui Province, China
| | - Tao Shan
- Department of Spine Surgery, Hefei First People's Hospital, Hefei City, 230061, Anhui Province, China
| | - Zong-Sheng Yin
- Department of Orthopedics, First Affiliated Hospital of Anhui Medical University, Hefei City, 230022, Anhui Province, China.
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112
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Kanno Y. The Roles of Fibrinolytic Factors in Bone Destruction Caused by Inflammation. Cells 2024; 13:516. [PMID: 38534360 DOI: 10.3390/cells13060516] [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: 01/26/2024] [Revised: 03/14/2024] [Accepted: 03/15/2024] [Indexed: 03/28/2024] Open
Abstract
Chronic inflammatory diseases, such as rheumatoid arthritis, spondyloarthritis, systemic lupus erythematosus, Crohn's disease, periodontitis, and carcinoma metastasis frequently result in bone destruction. Pro-inflammatory cytokines such as tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β), IL-6, and IL-17 are known to influence bone loss by promoting the differentiation and activation of osteoclasts. Fibrinolytic factors, such as plasminogen (Plg), plasmin, urokinase-type plasminogen activator (uPA), its receptor (uPAR), tissue-type plasminogen activator (tPA), α2-antiplasmin (α2AP), and plasminogen activator inhibitor-1 (PAI-1) are expressed in osteoclasts and osteoblasts and are considered essential in maintaining bone homeostasis by regulating the functions of both osteoclasts and osteoblasts. Additionally, fibrinolytic factors are associated with the regulation of inflammation and the immune system. This review explores the roles of fibrinolytic factors in bone destruction caused by inflammation.
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Affiliation(s)
- Yosuke Kanno
- Department of Molecular Pathology, Faculty of Pharmaceutical Science, Doshisha Women's College of Liberal Arts, 97-1 Kodo Kyotanabe, Kyoto 610-0395, Japan
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113
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Zhao Y, Sun W, Wu X, Gao X, Song F, Duan B, Lu A, Yang H, Huang C. Janus Membrane with Intrafibrillarly Strontium-Apatite-Mineralized Collagen for Guided Bone Regeneration. ACS NANO 2024; 18:7204-7222. [PMID: 38373291 DOI: 10.1021/acsnano.3c12403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/21/2024]
Abstract
Commercial collagen membranes face difficulty in guided bone regeneration (GBR) due to the absence of hierarchical structural design, effective interface management, and diverse bioactivity. Herein, a Janus membrane called SrJM is developed that consists of a porous collagen face to enhance osteogenic function and a dense face to maintain barrier function. Specifically, biomimetic intrafibrillar mineralization of collagen with strontium apatite is realized by liquid precursors of amorphous strontium phosphate. Polycaprolactone methacryloyl is further integrated on one side of the collagen as a dense face, which endows SrJM with mechanical support and a prolonged lifespan. In vitro experiments demonstrate that the dense face of SrJM acts as a strong barrier against fibroblasts, while the porous face significantly promotes cell adhesion and osteogenic differentiation through activation of calcium-sensitive receptor/integrin/Wnt signaling pathways. Meanwhile, SrJM effectively enhances osteogenesis and angiogenesis by recruiting stem cells and modulating osteoimmune response, thus creating an ideal microenvironment for bone regeneration. In vivo studies verify that the bone defect region guided by SrJM is completely repaired by newly formed vascularized bone. Overall, the outstanding performance of SrJM supports its ongoing development as a multifunctional GBR membrane, and this study provides a versatile strategy of fabricating collagen-based biomaterials for hard tissue regeneration.
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Affiliation(s)
- Yaning Zhao
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan 430072, China
| | - Wei Sun
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan 430072, China
| | - Xiaoyi Wu
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan 430072, China
| | - Xin Gao
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan 430072, China
| | - Fangfang Song
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan 430072, China
| | - Bo Duan
- Interdisciplinary Institute of NMR and Molecular Sciences, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, China
| | - Ang Lu
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China
| | - Hongye Yang
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan 430072, China
| | - Cui Huang
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan 430072, China
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Lin X, Yang Y, Huang Y, Li E, Zhuang X, Zhang Z, Xu R, Yu X, Deng F. Mettl3‑mediated m 6A RNA methylation regulates osteolysis induced by titanium particles. Mol Med Rep 2024; 29:36. [PMID: 38214327 PMCID: PMC10823336 DOI: 10.3892/mmr.2024.13160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Accepted: 11/24/2023] [Indexed: 01/13/2024] Open
Abstract
Peri‑prosthetic osteolysis (PPO) induced by wear particles is considered the primary cause of titanium prosthesis failure and revision surgery. The specific molecular mechanisms involve titanium particles inducing multiple intracellular pathways, which impact disease prevention and the targeted therapy of PPO. Notably, N6‑methyladenosine (m6A) serves critical roles in epigenetic regulation, particularly in bone metabolism and inflammatory responses. Thus, the present study aimed to determine the role of RNA methylation in titanium particle‑induced osteolysis. Results of reverse transcription‑quantitative PCR (RT‑qPCR), western blotting, ELISA and RNA dot blot assays revealed that titanium particles induced osteogenic inhibition and proinflammatory responses, accompanied by the reduced expression of methyltransferase‑like (Mettl) 3, a key component of m6A methyltransferase. Specific lentiviruses vectors were employed for Mettl3 knockdown and overexpression experiments. RT‑qPCR, western blotting and ELISA revealed that the knockdown of Mettl3 induced osteogenic inhibition and proinflammatory responses comparable with that induced by titanium particle, while Mettl3 overexpression attenuated titanium particle‑induced cellular reactions. Methylated RNA immunoprecipitation‑qPCR results revealed that titanium particles mediated the methylation of two inhibitory molecules, namely Smad7 and SMAD specific E3 ubiquitin protein ligase 1, via Mettl3 in bone morphogenetic protein signaling, leading to osteogenic inhibition. Furthermore, titanium particles induced activation of the nucleotide binding oligomerization domain 1 signaling pathway through methylation regulation, and the subsequent activation of the MAPK and NF‑κB pathways. Collectively, the results of the present study indicated that titanium particles utilized Mettl3 as an upstream regulatory molecule to induce osteogenic inhibition and inflammatory responses. Thus, the present study may provide novel insights into potential therapeutic targets for aseptic loosening in titanium prostheses.
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Affiliation(s)
- Xiaoxuan Lin
- Department of Oral Implantology, Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong 510055, P.R. China
| | - Yang Yang
- Department of Oral Implantology, Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong 510055, P.R. China
| | - Yaohong Huang
- Department of Oral Implantology, Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong 510055, P.R. China
| | - E Li
- Department of Stomatology, Zhuhai Center for Maternal and Child Healthcare, Zhuhai Women and Children's Hospital, Zhuhai, Guangdong 519000, P.R. China
| | - Xiumei Zhuang
- Department of Stomatology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510000, P.R. China
| | - Zhengchuan Zhang
- Department of Oral Implantology, Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong 510055, P.R. China
| | - Ruogu Xu
- Department of Oral Implantology, Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong 510055, P.R. China
| | - Xiaolin Yu
- Department of Oral Implantology, Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong 510055, P.R. China
| | - Feilong Deng
- Department of Oral Implantology, Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong 510055, P.R. China
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Feng Y, Wang H, Xu S, Huang J, Pei Q, Wang Z. The detection of Gper1 as an important gene promoting jawbone regeneration in the context of estrogen deficiency. Bone 2024; 180:116990. [PMID: 38141748 DOI: 10.1016/j.bone.2023.116990] [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: 07/07/2023] [Revised: 12/13/2023] [Accepted: 12/18/2023] [Indexed: 12/25/2023]
Abstract
Numerous studies have demonstrated that estrogen deficiency inhibit the proliferation and differentiation of pre-osteoblasts in skeleton by affecting osteogenic signaling, lead to decreased bone mass and impaired regeneration. To explore the mechanisms maintaining bone regeneration under estrogen deficiency, we randomly selected 1102 clinical cases, in which female patients aged between 18 and 75 have underwent tooth extraction in Stomatological Hospital of Tongji University, there is little difference in the healing effect of extraction defects, suggesting that to some extent, the regeneration of jawbone is insensitive to the decreased estrogen level. To illuminate the mechanisms promoting jawbone regeneration under estrogen deficiency, a tooth extraction defect model was established in the maxilla of female rats who underwent ovariectomy (OVX) or sham surgery, and jawbone marrow stromal cells (BMSCs) were isolated for single-cell sequencing. Further quantitative PCR, RNA interference, alizarin red staining, immunohistochemistry and western blotting experiments demonstrated that in the context of ovariectomy, maxillary defects promoted G protein-coupled estrogen receptor 1 (Gper1) expression, stimulate downstream cAMP/PKA/pCREB signaling, and facilitate cell proliferation, and thus provided sufficient progenitors for osteogenesis and enhanced the regeneration capacity of the jawbone. Correspondingly, the heterozygous deletion of the Gper1 gene attenuated the phosphorylation of CREB, led to decreased cell proliferation, and impaired the restoration of maxillary defects. This study demonstrates the importance of Gper1 in maintaining jawbone regeneration, especially in the context of estrogen deficiency.
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Affiliation(s)
- Yuan Feng
- Stomatological Hospital and Dental School of Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, No.399 Middle Yanchang Road, Shanghai 200072, PR China
| | - Haicheng Wang
- Stomatological Hospital and Dental School of Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, No.399 Middle Yanchang Road, Shanghai 200072, PR China
| | - Shuyu Xu
- Stomatological Hospital and Dental School of Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, No.399 Middle Yanchang Road, Shanghai 200072, PR China
| | - Jie Huang
- Stomatological Hospital and Dental School of Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, No.399 Middle Yanchang Road, Shanghai 200072, PR China
| | - Qingguo Pei
- Department of Stomatology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, No.100 Haining Road, Shanghai 200080, PR China
| | - Zuolin Wang
- Stomatological Hospital and Dental School of Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, No.399 Middle Yanchang Road, Shanghai 200072, PR China.
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Di Paola A, Marrapodi MM, Di Martino M, Giliberti G, Di Feo G, Rana D, Ahmed S, Argenziano M, Rossi F, Roberti D. Bone Health Impairment in Patients with Hemoglobinopathies: From Biological Bases to New Possible Therapeutic Strategies. Int J Mol Sci 2024; 25:2902. [PMID: 38474150 DOI: 10.3390/ijms25052902] [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: 12/29/2023] [Revised: 02/23/2024] [Accepted: 02/27/2024] [Indexed: 03/14/2024] Open
Abstract
Hemoglobinopathies are monogenic disorders affecting hemoglobin synthesis. Thalassemia and sickle cell disease (SCD) are considered the two major hemoglobinopathies. Thalassemia is a genetic disorder and one of the major hemoglobinopathies determined by an impairment of globin chain production, which causes an alteration of erythropoiesis, an improvement in hemolysis, and an alteration of iron homoeostasis. In SCD, the mutations are on the β-globin chain of hemoglobin which results in a substitution of glutamic acid by valine with consequent formation of Hemoglobin S (HbS). Several factors are involved in bone metabolism alteration in patients with hemoglobinopathies, among them hormonal deficiency, bone marrow hyperplasia, iron overload, inflammation, and increased bone turnover. Bone metabolism is the result of balance maintenance between bone deposition and bone resorption, by osteoblasts (OBs) and osteoclasts (OCs). An impairment of this balance is responsible for the onset of bone diseases, such as osteoporosis (OP). Therefore, here we will discuss the alteration of bone metabolism in patients with hemoglobinopathies and the possible therapeutic strategies to contain and/or counteract bone health impairment in these patients, taking into consideration not only the pharmacological treatments already used in the clinical armamentarium, but also the new possible therapeutic strategies.
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Affiliation(s)
- Alessandra Di Paola
- Department of Woman, Child and General and Specialist Surgery, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
| | - Maria Maddalena Marrapodi
- Department of Woman, Child and General and Specialist Surgery, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
| | - Martina Di Martino
- Department of Woman, Child and General and Specialist Surgery, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
| | - Giulia Giliberti
- Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
| | - Giuseppe Di Feo
- Department of Woman, Child and General and Specialist Surgery, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
| | - Deeksha Rana
- Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
| | - Shakeel Ahmed
- Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
| | - Maura Argenziano
- Department of Woman, Child and General and Specialist Surgery, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
| | - Francesca Rossi
- Department of Woman, Child and General and Specialist Surgery, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
| | - Domenico Roberti
- Department of Woman, Child and General and Specialist Surgery, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
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Yang M, Weng K, Guo Y, Huang L, Chen J, Lu H. GRP78 promotes bone metastasis of prostate cancer by regulating bone microenvironment through Sonic hedgehog signaling. Mol Carcinog 2024; 63:494-509. [PMID: 38085107 DOI: 10.1002/mc.23666] [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: 07/24/2023] [Revised: 10/30/2023] [Accepted: 11/22/2023] [Indexed: 02/03/2024]
Abstract
Bone metastasis is the leading cause of tumor-related deaths in patients with prostate cancer (PCa). The interactions between PCa and the bone microenvironment form a vicious cycle. However, the complex molecular mechanism by which PCa regulates the bone microenvironment remains unclear. To determine the role of glucose-regulated protein (GRP78) in bone metastasis and growth, we established intracardiac injection and tibial injection models, and performed their histological staining. To assess the effect of GRP78 on the differentiation of osteoblasts and osteoclasts, we performed cell co-culture, enzyme-linked immunosorbent assay, alizarin red staining, and tartrate-resistant acid phosphatase staining. We found that GRP78 is upregulated in PCa tissues and that its upregulation is associated with PCa progression in patients. Functional experiments showed that GRP78 overexpression in PCa cells considerably promotes bone metastasis and induces bone microstructure changes. Silencing GRP78 substantially inhibits the migration and invasion of PCa cells in vitro and bone metastasis and tumor growth in vivo. Mechanistically, GRP78 promotes the migration and invasion of PCa cells via the Sonic hedgehog (Shh) signaling pathway. Cell co-culture showed that GRP78 promotes the differentiation of osteoblasts and osteoclasts through Shh signaling. Our findings suggest that tumor-bone matrix interactions owing to GRP78-activated paracrine Shh signaling by PCa cells regulate the differentiation of osteoblasts and osteoclasts. This process promotes bone metastasis and the proliferation of PCa cells in the bone microenvironment. Targeting the GRP78/Shh axis can serve as a therapeutic strategy to prevent bone metastasis and improve the quality of life of patients with PCa.
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Affiliation(s)
- Minsheng Yang
- Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, China
- Department of Spine Surgery, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, China
| | - Kangqiang Weng
- Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, China
- Department of Urology, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, China
| | - Yuanqing Guo
- Department of Spine Surgery, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, China
| | - Lihua Huang
- Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, China
- Department of Spine Surgery, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, China
| | - Junquan Chen
- Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, China
- Department of Spine Surgery, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, China
| | - Hai Lu
- Department of Spine Surgery, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, China
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118
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Yoo HW, Hong SJ. Navigating the risks of using concomitant antipeptic agents in light of osteoporotic concerns. Korean J Intern Med 2024; 39:201-202. [PMID: 38444062 PMCID: PMC10918369 DOI: 10.3904/kjim.2024.048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Accepted: 02/23/2024] [Indexed: 03/07/2024] Open
Affiliation(s)
- Hae Won Yoo
- Digestive Disease Center and Research Institute, Department of Internal Medicine, Soonchunhyang University College of Medicine, Bucheon, Korea
| | - Su Jin Hong
- Digestive Disease Center and Research Institute, Department of Internal Medicine, Soonchunhyang University College of Medicine, Bucheon, Korea
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119
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Pinho AR, Gomes MC, Costa DCS, Mano JF. Bioactive Self-Regulated Liquified Microcompartments to Bioengineer Bone-Like Microtissues. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2305029. [PMID: 37847901 DOI: 10.1002/smll.202305029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 09/25/2023] [Indexed: 10/19/2023]
Abstract
Designing a microenvironment that drives autonomous stromal cell differentiation toward osteogenesis while recapitulating the complexity of bone tissue remains challenging. In the current study, bone-like microtissues are created using electrohydrodynamic atomization to form two distinct liquefied microcapsules (mCAPs): i) hydroxypyridinone (HOPO)-modified gelatin (GH mCAPs, 7.5% w/v), and ii) HOPO-modified gelatin and dopamine-modified gelatin (GH+GD mCAPs, 7.5%+1.5% w/v). The ability of HOPO to coordinate with iron ions at physiological pH allows the formation of a semipermeable micro-hydrogel shell. In turn, the dopamine affinity for calcium ions sets a bioactive milieu for bone-like microtissues. After 21 days post encapsulation, GH and GH+GD mCAPs potentiate autonomous osteogenic differentiation of mesenchymal stem cells accompanied by collagen type-I gene upregulation, increased alkaline phosphatase (ALP) expression, and formation of mineralized extracellular matrix. However, the GH+GD mCAPs show higher levels of osteogenic markers starting on day 14, translating into a more advanced and organized mineralized matrix. The GH+GD system also shows upregulation of the receptor activator of nuclear factor kappa-B ligand (RANK-L) gene, enabling the autonomous osteoclastic differentiation of monocytes. These catechol-based mCAPs offer a promising approach to designing multifunctional and autonomous bone-like microtissues to study in vitro bone-related processes at the cell-tissue interface, angiogenesis, and osteoclastogenesis.
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Affiliation(s)
- Ana R Pinho
- CICECO, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, Aveiro, 3810-193, Portugal
| | - Maria C Gomes
- CICECO, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, Aveiro, 3810-193, Portugal
| | - Dora C S Costa
- CICECO, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, Aveiro, 3810-193, Portugal
| | - João F Mano
- CICECO, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, Aveiro, 3810-193, Portugal
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Wu Z, Dou T, Bai L, Han J, Yang F, Wang K, Han X, Qiao R, Li XL, Li XJ. Genomic prediction and genome-wide association studies for additive and dominance effects for body composition traits using 50 K and imputed high-density SNP genotypes in Yunong-black pigs. J Anim Breed Genet 2024; 141:124-137. [PMID: 37822282 DOI: 10.1111/jbg.12830] [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: 06/21/2023] [Revised: 10/03/2023] [Accepted: 10/04/2023] [Indexed: 10/13/2023]
Abstract
Body composition traits are complex traits controlled by minor genes and, in hybrid populations, are impacted by additive and nonadditive effects. We aimed to identify candidate genes and increase the accuracy of genomic prediction of body composition traits in crossbred pigs by including dominance genetic effects. Genomic selection (GS) and genome-wide association studies were performed on seven body composition traits in 807 Yunong-black pigs using additive genomic models (AM) and additive-dominance genomic models (ADM) with an imputed high-density single nucleotide polymorphism (SNP) array and the Illumina Porcine SNP50 BeadChip. The results revealed that the additive heritabilities estimated for AM and ADM using the 50 K SNP data ranged from 0.20 to 0.34 and 0.11 to 0.30, respectively. However, the ranges of additive heritability for AM and ADM in the imputed data ranged from 0.20 to 0.36 and 0.12 to 0.30, respectively. The dominance variance accounted for 23% and 27% of the total variance for the 50 K and imputed data, respectively. The accuracy of genomic prediction improved by 5% on average for 50 K and imputed data when dominance effect were considered. Without the dominance effect, the accuracies for 50 K and imputed data were 0.35 and 0.38, respectively, and 0.41 and 0.43, respectively, upon considering it. A total of 12 significant SNP and 16 genomic regions were identified in the AM, and 14 significant SNP and 21 genomic regions were identified in the ADM for both the 50 K and imputed data. There were five overlapping SNP in the 50 K and imputed data. In the AM, a significant SNP (CNC10041568) was found in both body length and backfat thickness traits, which was in the PLAG1 gene strongly and significantly associated with body length and backfat thickness in pigs. Moreover, a significant SNP (CNC10031356) with a heterozygous dominant genotype was present in the ADM. Furthermore, several functionally related genes were associated with body composition traits, including MOS, RPS20, LYN, TGS1, TMEM68, XKR4, SEMA4D and ARNT2. These findings provide insights into molecular markers and GS breeding for the Yunong-black pigs.
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Affiliation(s)
- Ziyi Wu
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou, Henan, China
| | - Tengfei Dou
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou, Henan, China
| | - Liyao Bai
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou, Henan, China
| | - Jinyi Han
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou, Henan, China
| | - Feng Yang
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou, Henan, China
| | - Kejun Wang
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou, Henan, China
| | - Xuelei Han
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou, Henan, China
| | - Ruimin Qiao
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou, Henan, China
| | - Xiu-Ling Li
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou, Henan, China
| | - Xin-Jian Li
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou, Henan, China
- Sanya Institute, Hainan Academy of Agricultural Science, Sanya, Hainan, China
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Hong G, Li S, Zheng G, Zheng X, Zhan Q, Zhou L, Wei Q, He W, Chen Z. Therapeutic potential of a prominent dihydroxyflavanone pinocembrin for osteolytic bone disease: In vitro and in vivo evidence. J Orthop Translat 2024; 45:197-210. [PMID: 38685969 PMCID: PMC11056316 DOI: 10.1016/j.jot.2023.12.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 12/27/2023] [Accepted: 12/30/2023] [Indexed: 05/02/2024] Open
Abstract
Background/objective As the pivotal cellular mediators of bone resorption and pathological bone remodeling, osteoclasts have emerged as a prominent target for anti-resorptive interventions. Pinocembrin (PIN), a predominant flavonoid found in damiana, honey, fingerroot, and propolis, has been recognized for its potential therapeutic effects in osteolysis. The purpose of our project is to investigate the potential of PIN to prevent bone resorption in ovariectomized (OVX) mice by suppressing osteoclast production through its underlying mechanisms. Methods The study commenced by employing protein-ligand molecular docking to ascertain the specific interaction between PIN and nuclear factor-κB (NF-κB) ligand (RANKL). Subsequently, PIN was introduced to bone marrow macrophages (BMMs) under the stimulation of RANKL. The impact of PIN on osteoclastic activity was assessed through the utilization of a positive TRAcP staining kit and a hydroxyapatite resorption assay. Furthermore, the study investigated the generation of reactive oxygen species (ROS) in osteoclasts induced by RANKL using H2DCFDA. To delve deeper into the underlying mechanisms, molecular cascades triggered by RANKL, including NF-κB, ROS, calcium oscillations, and NFATc1-mediated signaling pathways, were explored using Luciferase gene report, western blot analysis, and quantitative real-time polymerase chain reaction. Moreover, an estrogen-deficient osteoporosis murine model was established to evaluate the therapeutic effects of PIN in vivo. Results In this study, we elucidated the profound inhibitory effects of PIN on osteoclastogenesis and bone resorption, achieved through repression of NF-κB and NFATc1-mediated signaling pathways. Notably, PIN also exhibited potent anti-oxidative properties by mitigating RANKL-induced ROS generation and augmenting activities of ROS-scavenging enzymes, ultimately leading to a reduction in intracellular ROS levels. Moreover, PIN effectively abrogated the expression of osteoclast-specific marker genes (Acp5, Cathepsin K, Atp6v0d2, Nfatc1, c-fos, and Mmp9), further underscoring its inhibitory impact on osteoclast differentiation and function. Additionally, employing an in vivo mouse model, we demonstrated that PIN effectively prevented osteoclast-induced bone loss resultant from estrogen deficiency. Conclusion Our findings highlight the potent inhibitory effects of PIN on osteoclastogenesis, bone resorption, and RANKL-induced signaling pathways, thereby establishing PIN as a promising therapeutic candidate for the prevention and management of osteolytic bone diseases. The translational potential of this article PIN serves as a promising therapeutic agent for the prevention and management of osteolytic bone diseases and holds promise for future clinical applications in addressing conditions characterized by excessive bone resorption. PIN is a natural compound found in various sources, including damiana, honey, fingerroot, and propolis. Its widespread availability and potential for therapeutic use make it an attractive candidate for further investigation and development as a clinical intervention.
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Affiliation(s)
- Guoju Hong
- Traumatology & Orthopaedics Institute, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, 510378, PR China
- Department of Orthopaedics, The Third Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, 510378, PR China
| | - Shuqiang Li
- Department of Oncology, The Third Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, 510378, PR China
| | - Guanqiang Zheng
- Department of Rehabilitation, The Third Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, 510378, PR China
| | - Xiaoxia Zheng
- The Third Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, 510405, PR China
| | - Qunzhang Zhan
- The Third Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, 510405, PR China
| | - Lin Zhou
- Department of Endocrinology, Key Laboratory of Biological Targeting Diagnosis, Therapy and Rehabilitation of Guangdong Higher Education Institutes, The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, 510700, PR China
| | - Qiushi Wei
- Traumatology & Orthopaedics Institute, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, 510378, PR China
- Department of Orthopaedics, The Third Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, 510378, PR China
| | - Wei He
- Traumatology & Orthopaedics Institute, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, 510378, PR China
- Department of Orthopaedics, The Third Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, 510378, PR China
| | - Zhenqiu Chen
- Department of Orthopaedics, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, 510405, PR China
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Strunz F, Gentil-Perret S, Siegrist M, Bohner M, Saulacic N, Hofstetter W. Bisphosphonates do not affect healing of a critical-size defect in estrogen-deficient mice. Bone Rep 2024; 20:101739. [PMID: 38304619 PMCID: PMC10831175 DOI: 10.1016/j.bonr.2024.101739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 01/15/2024] [Indexed: 02/03/2024] Open
Abstract
Bisphosphonates (BP) are anti-resorptive drugs that are widely used to prevent bone loss in osteoporosis. Since inhibition of bone resorption will cause a decrease in bone formation through a process called coupling, it is hypothesized that extended treatment protocols may impair bone healing. In this study, β-tri‑calcium-phosphate (βTCP) ceramics were inserted into critical-size long bone defects in estrogen-deficient mice under BP therapy. The study assessed the benefits of coating the ceramics with Bone Morphogenetic Protein-2 (BMP2) and an engineered BMP2 analogue (L51P) that inactivates BMP antagonists on the healing process, implant resorption, and bone formation. Female NMRI mice (11-12 weeks of age) were ovariectomized (OVX) or sham operated. Eight weeks later, after the manifestation of ovariectomy-induced osteoporotic bone changes, BP therapy with Alendronate (ALN) was commenced. After another five weeks, a femoral critical-size defect was generated, rigidly fixed, and βTCP-cylinders loaded with 0.25 μg or 2.5 μg BMP2, 2.5 μg L51P, and 0.25 μg BMP2/2.5 μg L51P, respectively, were inserted. Unloaded βTCP-cylinders were used as controls. Femora were collected six and twelve weeks post-implantation. Histological and micro-computer tomography (MicroCT) evaluation revealed that insertion of cylinders coated with 2.5 μg BMP2 accelerated fracture repair and induced significant bone formation compared to controls (unloaded cylinders or coated with 2.5 μg L51P, 0.25 μg BMP2) already six weeks post-implantation, independent of estrogen-deficiency and BP therapy. The simultaneous administration of BMP2 and L51P (0.25 μg BMP2/2.5 μg L51P) did not promote fracture healing six and twelve weeks post-implantation. Moreover, new bone formation within the critical-size defect was directly linked to the removal of the βTCP-implant in all experimental groups. No evidence was found that long-term therapy with ALN impaired the resorption of the implanted graft. However, osteoclast transcriptome signature was elevated in sham and OVX animals upon treatment with BP, with transcript levels being higher at six weeks than at twelve weeks post-surgery. Furthermore, the transcriptome profile of the developing repair tissue confirmed an accelerated repair process in animals treated with 2.5 μg BMP2 implants. L51P did not increase the bioefficacy of BMP2 in the applied defect model. The present study provides evidence that continuous administration of BP does not inhibit implant resorption and does not alter the kinetics of the healing process of critical-size long bone defects. Furthermore, the BMP2 variant L51P did not enhance the bioefficacy of BMP2 when applied simultaneously to the femoral critical-size defect in sham and OVX mice.
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Affiliation(s)
- Franziska Strunz
- Bone & Joint Program, Department for BioMedical Research (DBMR), University of Bern, Bern, Switzerland
- Graduate School for Cellular and Biomedical Sciences, University of Bern, Switzerland
| | - Saskia Gentil-Perret
- Bone & Joint Program, Department for BioMedical Research (DBMR), University of Bern, Bern, Switzerland
| | - Mark Siegrist
- Cardiovascular Diseases Program, Department for BioMedical Research, University of Bern, Bern, Switzerland
| | | | - Nikola Saulacic
- Bone & Joint Program, Department for BioMedical Research (DBMR), University of Bern, Bern, Switzerland
- Clinic for Cranio-Maxillofacial Surgery, Department for BioMedical Research (DBMR), University of Bern, Bern, Switzerland
| | - Willy Hofstetter
- Bone & Joint Program, Department for BioMedical Research (DBMR), University of Bern, Bern, Switzerland
- Clinic for Cranio-Maxillofacial Surgery, Department for BioMedical Research (DBMR), University of Bern, Bern, Switzerland
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Jin J, Huang R, Chang Y, Yi X. Roles and mechanisms of optineurin in bone metabolism. Biomed Pharmacother 2024; 172:116258. [PMID: 38350370 DOI: 10.1016/j.biopha.2024.116258] [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: 12/03/2023] [Revised: 01/30/2024] [Accepted: 02/06/2024] [Indexed: 02/15/2024] Open
Abstract
Optineurin (OPTN) is a widely expressed multifunctional articulatory protein that participates in cellular or mitochondrial autophagy, vesicular transport, and endoplasmic reticulum (ER) stress via interactions with various proteins. Skeletal development is a complex biological process that requires the participation of various osteoblasts, such as bone marrow mesenchymal stem cells (BMSCs), and osteogenic, osteoclastic, and chondrogenic cells. OPTN was recently found to be involved in the regulation of osteoblast activity, which affects bone metabolism. OPTN inhibits osteoclastogenesis via signaling pathways, including NF-κB, IFN-β, and NRF2. OPTN can promote the differentiation of BMSCs toward osteogenesis and inhibit lipogenic differentiation by delaying BMSC senescence and autophagy. These effects are closely related to the development of bone metabolism disorders, such as Paget's disease of bone, rheumatoid arthritis, and osteoporosis. Therefore, this review aims to explore the role and mechanism of OPTN in the regulation of bone metabolism and related bone metabolic diseases. Our findings will provide new targets and strategies for the prevention and treatment of bone metabolic diseases.
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Affiliation(s)
- Junjie Jin
- School of Sports and Human Sciences, Shenyang Sport University, No. 36 Jinqiansong East Road, Sujiatun District, Shenyang, Liaoning 110115, China
| | - Ruiqi Huang
- School of Physical Education, Liaoning Normal University, Dalian 116029, China
| | - Yixing Chang
- Jilin University, No. 2699 Qianjin Street, Changchun, Jilin 130012, China
| | - Xuejie Yi
- Exercise and Health Research Center/Department of Kinesiology, Shenyang Sport University, No. 36 Jinqiansong East Road, Sujiatun District, Shenyang , Liaoning 110115, China.
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Liu Y, Xiong W, Li J, Feng H, Jing S, Liu Y, Zhou H, Li D, Fu D, Xu C, He Y, Ye Q. Application of dental pulp stem cells for bone regeneration. Front Med (Lausanne) 2024; 11:1339573. [PMID: 38487022 PMCID: PMC10938947 DOI: 10.3389/fmed.2024.1339573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Accepted: 01/15/2024] [Indexed: 03/17/2024] Open
Abstract
Bone defects resulting from severe trauma, tumors, inflammation, and other factors are increasingly prevalent. Stem cell-based therapies have emerged as a promising alternative. Dental pulp stem cells (DPSCs), sourced from dental pulp, have garnered significant attention owing to their ready accessibility and minimal collection-associated risks. Ongoing investigations into DPSCs have revealed their potential to undergo osteogenic differentiation and their capacity to secrete a diverse array of ontogenetic components, such as extracellular vesicles and cell lysates. This comprehensive review article aims to provide an in-depth analysis of DPSCs and their secretory components, emphasizing extraction techniques and utilization while elucidating the intricate mechanisms governing bone regeneration. Furthermore, we explore the merits and demerits of cell and cell-free therapeutic modalities, as well as discuss the potential prospects, opportunities, and inherent challenges associated with DPSC therapy and cell-free therapies in the context of bone regeneration.
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Affiliation(s)
- Ye Liu
- Center of Regenerative Medicine, Department of Stomatology Renmin Hospital of Wuhan University, Wuhan, China
| | - Wei Xiong
- Center of Regenerative Medicine, Department of Stomatology Renmin Hospital of Wuhan University, Wuhan, China
| | - Junyi Li
- Center of Regenerative Medicine, Department of Stomatology Renmin Hospital of Wuhan University, Wuhan, China
| | - Huixian Feng
- Center of Regenerative Medicine, Department of Stomatology Renmin Hospital of Wuhan University, Wuhan, China
| | - Shuili Jing
- Center of Regenerative Medicine, Department of Stomatology Renmin Hospital of Wuhan University, Wuhan, China
| | - Yonghao Liu
- Center of Regenerative Medicine, Department of Stomatology Renmin Hospital of Wuhan University, Wuhan, China
| | - Heng Zhou
- Center of Regenerative Medicine, Department of Stomatology Renmin Hospital of Wuhan University, Wuhan, China
| | - Duan Li
- Center of Regenerative Medicine, Department of Stomatology Renmin Hospital of Wuhan University, Wuhan, China
| | - Dehao Fu
- Department of Orthopaedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chun Xu
- Sydney Dental School, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
| | - Yan He
- Institute of Regenerative and Translational Medicine, Tianyou Hospital of Wuhan University of Science and Technology, Wuhan, China
- Department of Oral and Maxillofacial Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
| | - Qingsong Ye
- Center of Regenerative Medicine, Department of Stomatology Renmin Hospital of Wuhan University, Wuhan, China
- Department of Oral and Maxillofacial Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
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Meyer C, Brockmueller A, Buhrmann C, Shakibaei M. Prevention and Co-Management of Breast Cancer-Related Osteoporosis Using Resveratrol. Nutrients 2024; 16:708. [PMID: 38474838 DOI: 10.3390/nu16050708] [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: 02/04/2024] [Revised: 02/21/2024] [Accepted: 02/26/2024] [Indexed: 03/14/2024] Open
Abstract
Breast cancer (BC) is currently one of the most common cancers in women worldwide with a rising tendency. Epigenetics, generally inherited variations in gene expression that occur independently of changes in DNA sequence, and their disruption could be one of the main causes of BC due to inflammatory processes often associated with different lifestyle habits. In particular, hormone therapies are often indicated for hormone-positive BC, which accounts for more than 50-80% of all BC subtypes. Although the cure rate in the early stage is more than 70%, serious negative side effects such as secondary osteoporosis (OP) due to induced estrogen deficiency and chemotherapy are increasingly reported. Approaches to the management of secondary OP in BC patients comprise adjunctive therapy with bisphosphonates, non-steroidal anti-inflammatory drugs (NSAIDs), and cortisone, which partially reduce bone resorption and musculoskeletal pain but which are not capable of stimulating the necessary intrinsic bone regeneration. Therefore, there is a great therapeutic need for novel multitarget treatment strategies for BC which hold back the risk of secondary OP. In this review, resveratrol, a multitargeting polyphenol that has been discussed as a phytoestrogen with anti-inflammatory and anti-tumor effects at the epigenetic level, is presented as a potential adjunct to both support BC therapy and prevent osteoporotic risks by positively promoting intrinsic regeneration. In this context, resveratrol is also known for its unique role as an epigenetic modifier in the regulation of essential signaling processes-both due to its catabolic effect on BC and its anabolic effect on bone tissue.
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Affiliation(s)
- Christine Meyer
- Chair of Vegetative Anatomy, Institute of Anatomy, Faculty of Medicine, LMU Munich, Pettenkoferstr. 11, 80336 Munich, Germany
| | - Aranka Brockmueller
- Chair of Vegetative Anatomy, Institute of Anatomy, Faculty of Medicine, LMU Munich, Pettenkoferstr. 11, 80336 Munich, Germany
| | - Constanze Buhrmann
- Institute of Anatomy and Cell Biology, Faculty of Medicine, University of Augsburg, 86159 Augsburg, Germany
| | - Mehdi Shakibaei
- Chair of Vegetative Anatomy, Institute of Anatomy, Faculty of Medicine, LMU Munich, Pettenkoferstr. 11, 80336 Munich, Germany
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Yang M, Zhu L. Osteoimmunology: The Crosstalk between T Cells, B Cells, and Osteoclasts in Rheumatoid Arthritis. Int J Mol Sci 2024; 25:2688. [PMID: 38473934 DOI: 10.3390/ijms25052688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2024] [Revised: 02/22/2024] [Accepted: 02/24/2024] [Indexed: 03/14/2024] Open
Abstract
Rheumatoid arthritis (RA) is an ongoing inflammatory condition that affects the joints and can lead to severe damage to cartilage and bones, resulting in significant disability. This condition occurs when the immune system becomes overactive, causing osteoclasts, cells responsible for breaking down bone, to become more active than necessary, leading to bone breakdown. RA disrupts the equilibrium between osteoclasts and osteoblasts, resulting in serious complications such as localized bone erosion, weakened bones surrounding the joints, and even widespread osteoporosis. Antibodies against the receptor activator of nuclear factor-κB ligand (RANKL), a crucial stimulator of osteoclast differentiation, have shown great effectiveness both in laboratory settings and actual patient cases. Researchers are increasingly focusing on osteoclasts as significant contributors to bone erosion in RA. Given that RA involves an overactive immune system, T cells and B cells play a pivotal role by intensifying the immune response. The imbalance between Th17 cells and Treg cells, premature aging of T cells, and excessive production of antibodies by B cells not only exacerbate inflammation but also accelerate bone destruction. Understanding the connection between the immune system and osteoclasts is crucial for comprehending the impact of RA on bone health. By delving into the immune mechanisms that lead to joint damage, exploring the interactions between the immune system and osteoclasts, and investigating new biomarkers for RA, we can significantly improve early diagnosis, treatment, and prognosis of this condition.
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Affiliation(s)
- Mei Yang
- Department of Pharmacology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and School of Basic Medicine, Peking Union Medical College, Beijing 100005, China
- Medical Epigenetics Research Center, Chinese Academy of Medical Sciences, Beijing 100005, China
| | - Lei Zhu
- Department of Pharmacology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and School of Basic Medicine, Peking Union Medical College, Beijing 100005, China
- Medical Epigenetics Research Center, Chinese Academy of Medical Sciences, Beijing 100005, China
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Piontkowski ZT, Hayes DC, McDonald A, Pattison K, Butler KS, Timlin JA. Label-Free, Noninvasive Bone Cell Classification by Hyperspectral Confocal Raman Microscopy. CHEMICAL & BIOMEDICAL IMAGING 2024; 2:147-155. [PMID: 38425368 PMCID: PMC10900511 DOI: 10.1021/cbmi.3c00106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 12/06/2023] [Accepted: 12/30/2023] [Indexed: 03/02/2024]
Abstract
Characterizing and identifying cells in multicellular in vitro models remain a substantial challenge. Here, we utilize hyperspectral confocal Raman microscopy and principal component analysis coupled with linear discriminant analysis to form a label-free, noninvasive approach for classifying bone cells and osteosarcoma cells. Through the development of a library of hyperspectral Raman images of the K7M2-wt osteosarcoma cell lines, 7F2 osteoblast cell lines, RAW 264.7 macrophage cell line, and osteoclasts induced from RAW 264.7 macrophages, we built a linear discriminant model capable of correctly identifying each of these cell types. The model was cross-validated using a k-fold cross validation scheme. The results show a minimum of 72% accuracy in predicting cell type. We also utilize the model to reconstruct the spectra of K7M2 and 7F2 to determine whether osteosarcoma cancer cells and normal osteoblasts have any prominent differences that can be captured by Raman. We find that the main differences between these two cell types are the prominence of the β-sheet protein secondary structure in K7M2 versus the α-helix protein secondary structure in 7F2. Additionally, differences in the CH2 deformation Raman feature highlight that the membrane lipid structure is different between these cells, which may affect the overall signaling and functional contrasts. Overall, we show that hyperspectral confocal Raman microscopy can serve as an effective tool for label-free, nondestructive cellular classification and that the spectral reconstructions can be used to gain deeper insight into the differences that drive different functional outcomes of different cells.
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Affiliation(s)
- Zachary T. Piontkowski
- Sandia
National Laboratories, Department of Applied
Optics and Plasma Sciences, 1515 Eubank Blvd. SE, Albuquerque, New Mexico 87123, United States
| | - Dulce C. Hayes
- Sandia
National Laboratories, Department of Molecular
and Microbiology, 1515
Eubank Blvd. SE, Albuquerque, New Mexico 87123, United States
| | - Anthony McDonald
- Sandia
National Laboratories, Department of Applied
Optics and Plasma Sciences, 1515 Eubank Blvd. SE, Albuquerque, New Mexico 87123, United States
| | - Kalista Pattison
- Sandia
National Laboratories, Department of Molecular
and Microbiology, 1515
Eubank Blvd. SE, Albuquerque, New Mexico 87123, United States
| | - Kimberly S. Butler
- Sandia
National Laboratories, Department of Molecular
and Microbiology, 1515
Eubank Blvd. SE, Albuquerque, New Mexico 87123, United States
| | - Jerilyn A. Timlin
- Sandia
National Laboratories, Department of Molecular
and Microbiology, 1515
Eubank Blvd. SE, Albuquerque, New Mexico 87123, United States
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Chen C, Xiao L, Luo X, Cai J, Huang L, Tao H, Zhou X, Tan Y, Liu Y. Identifying Marine-Derived Tanzawaic Acid Derivatives as Novel Inhibitors against Osteoclastogenesis and Osteoporosis via Downregulation of NF-κB and NFATc1 Activation. J Med Chem 2024; 67:2602-2618. [PMID: 38301128 DOI: 10.1021/acs.jmedchem.3c01748] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2024]
Abstract
To discover novel osteoclast-targeting antiosteoporosis leads from natural products, we identified 40 tanzawaic acid derivatives, including 22 new ones (1-8, 14-19, 27-32, 37, and 38), from the South China Sea mangrove-derived fungus Penicillium steckii SCSIO 41025. Penicisteck acid F (2), one of the new derivatives showing the most potent NF-κB inhibitory activity, remarkably inhibited osteoclast generation in vitro. Mechanistically, 2 reduced RANKL-induced IκBα degradation, NF-κB p65 nuclear translocation, the activation and nuclear translocation of NFATc1, and the relevant mRNA expression. NF-κB p65 could be a potential molecular target for 2, which has been further determined by the cellular thermal shift assay, surface plasmon resonance, and the gene knock-down assay. Moreover, 2 could also alleviate osteoporosis in ovariectomized mice by reducing the quantities of osteoclasts. Our finding offered a novel potential inhibitor of osteoclastogenesis and osteoporosis for further development of potent antiosteoporosis agents.
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Affiliation(s)
- Chunmei Chen
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology/Guangdong Key Laboratory of Marine Materia Medica, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China
| | - Lingxiang Xiao
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, China
| | - Xiaowei Luo
- Guangxi Key Laboratory of Marine Drugs, Institute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning 530200, China
| | - Jian Cai
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology/Guangdong Key Laboratory of Marine Materia Medica, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China
| | - Lishan Huang
- Guangdong Provincial Key Laboratory of Chinese Medicine Pharmaceutics, School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China
| | - Huaming Tao
- Guangdong Provincial Key Laboratory of Chinese Medicine Pharmaceutics, School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China
| | - Xuefeng Zhou
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology/Guangdong Key Laboratory of Marine Materia Medica, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China
| | - Yanhui Tan
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, China
| | - Yonghong Liu
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology/Guangdong Key Laboratory of Marine Materia Medica, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China
- Guangxi Key Laboratory of Marine Drugs, Institute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning 530200, China
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Yun C, Kim SH, Kim KM, Yang MH, Byun MR, Kim JH, Kwon D, Pham HTM, Kim HS, Kim JH, Jung YS. Advantages of Using 3D Spheroid Culture Systems in Toxicological and Pharmacological Assessment for Osteogenesis Research. Int J Mol Sci 2024; 25:2512. [PMID: 38473760 DOI: 10.3390/ijms25052512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2024] [Revised: 02/19/2024] [Accepted: 02/20/2024] [Indexed: 03/14/2024] Open
Abstract
Bone differentiation is crucial for skeletal development and maintenance. Its dysfunction can cause various pathological conditions such as rickets, osteoporosis, osteogenesis imperfecta, or Paget's disease. Although traditional two-dimensional cell culture systems have contributed significantly to our understanding of bone biology, they fail to replicate the intricate biotic environment of bone tissue. Three-dimensional (3D) spheroid cell cultures have gained widespread popularity for addressing bone defects. This review highlights the advantages of employing 3D culture systems to investigate bone differentiation. It highlights their capacity to mimic the complex in vivo environment and crucial cellular interactions pivotal to bone homeostasis. The exploration of 3D culture models in bone research offers enhanced physiological relevance, improved predictive capabilities, and reduced reliance on animal models, which have contributed to the advancement of safer and more effective strategies for drug development. Studies have highlighted the transformative potential of 3D culture systems for expanding our understanding of bone biology and developing targeted therapeutic interventions for bone-related disorders. This review explores how 3D culture systems have demonstrated promise in unraveling the intricate mechanisms governing bone homeostasis and responses to pharmacological agents.
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Affiliation(s)
- Chawon Yun
- Department of Pharmacy, Research Institute for Drug Development, College of Pharmacy, Pusan National University, Busan 46241, Republic of Korea
| | - Sou Hyun Kim
- Department of Pharmacy, Research Institute for Drug Development, College of Pharmacy, Pusan National University, Busan 46241, Republic of Korea
| | - Kyung Mok Kim
- Department of Pharmacy, Research Institute for Drug Development, College of Pharmacy, Pusan National University, Busan 46241, Republic of Korea
| | - Min Hye Yang
- Department of Pharmacy, Research Institute for Drug Development, College of Pharmacy, Pusan National University, Busan 46241, Republic of Korea
| | - Mi Ran Byun
- College of Pharmacy, Daegu Catholic University, Gyeongsan 38430, Republic of Korea
| | - Joung-Hee Kim
- Department of Medical Beauty Care, Dongguk University Wise, Gyeongju 38066, Republic of Korea
| | - Doyoung Kwon
- Jeju Research Institute of Pharmaceutical Sciences, College of Pharmacy, Jeju National University, Jeju 63243, Republic of Korea
| | - Huyen T M Pham
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea
| | - Hyo-Sop Kim
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea
| | - Jae-Ho Kim
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea
| | - Young-Suk Jung
- Department of Pharmacy, Research Institute for Drug Development, College of Pharmacy, Pusan National University, Busan 46241, Republic of Korea
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130
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Tao H, Li X, Wang Q, Yu L, Yang P, Chen W, Yang X, Zhou J, Geng D. Redox signaling and antioxidant defense in osteoclasts. Free Radic Biol Med 2024; 212:403-414. [PMID: 38171408 DOI: 10.1016/j.freeradbiomed.2023.12.043] [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: 11/09/2023] [Revised: 12/25/2023] [Accepted: 12/28/2023] [Indexed: 01/05/2024]
Abstract
Bone remodeling is essential for the repair and replacement of damaged or aging bones. Continuous remodeling is necessary to prevent the accumulation of bone damage and to maintain bone strength and calcium balance. As bones age, the coupling mechanism between bone formation and absorption becomes dysregulated, and bone loss becomes dominant. Bone development and repair rely on interaction and communication between osteoclasts and surrounding cells. Osteoclasts are specialized cells that are accountable for bone resorption and degradation, and any abnormalities in their activity can result in notable alterations in bone structure and worsen disease symptoms. Recent findings from transgenic mouse models and bone analysis have greatly enhanced our understanding of the origin, differentiation pathway, and activation stages of osteoclasts. In this review, we explore osteoclasts and discuss the cellular and molecular events that drive their generation, focusing on intracellular oxidative and antioxidant signaling. This knowledge can help develop targeted therapies for diseases associated with osteoclast activation.
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Affiliation(s)
- Huaqiang Tao
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, No. 188 Shizi Street, Suzhou, Jiangsu, China
| | - Xuefeng Li
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, No. 188 Shizi Street, Suzhou, Jiangsu, China
| | - Qiufei Wang
- Department of Orthopedics, Changshu Hospital Affiliated to Soochow University, First People's Hospital of Changshu City, Changshu, Jiangsu, China
| | - Lei Yu
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, No. 188 Shizi Street, Suzhou, Jiangsu, China
| | - Peng Yang
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, No. 188 Shizi Street, Suzhou, Jiangsu, China
| | - Wenlong Chen
- Orthopedics and Sports Medicine Center, Suzhou Municipal Hospital, Nanjing Medical University Affiliated Suzhou Hospital, 242, Guangji Road, Suzhou, Jiangsu, China
| | - Xing Yang
- Orthopedics and Sports Medicine Center, Suzhou Municipal Hospital, Nanjing Medical University Affiliated Suzhou Hospital, 242, Guangji Road, Suzhou, Jiangsu, China.
| | - Jun Zhou
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, No. 188 Shizi Street, Suzhou, Jiangsu, China.
| | - Dechun Geng
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, No. 188 Shizi Street, Suzhou, Jiangsu, China.
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131
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Zhang YY, Xie N, Sun XD, Nice EC, Liou YC, Huang C, Zhu H, Shen Z. Insights and implications of sexual dimorphism in osteoporosis. Bone Res 2024; 12:8. [PMID: 38368422 PMCID: PMC10874461 DOI: 10.1038/s41413-023-00306-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 11/04/2023] [Accepted: 11/27/2023] [Indexed: 02/19/2024] Open
Abstract
Osteoporosis, a metabolic bone disease characterized by low bone mineral density and deterioration of bone microarchitecture, has led to a high risk of fatal osteoporotic fractures worldwide. Accumulating evidence has revealed that sexual dimorphism is a notable feature of osteoporosis, with sex-specific differences in epidemiology and pathogenesis. Specifically, females are more susceptible than males to osteoporosis, while males are more prone to disability or death from the disease. To date, sex chromosome abnormalities and steroid hormones have been proven to contribute greatly to sexual dimorphism in osteoporosis by regulating the functions of bone cells. Understanding the sex-specific differences in osteoporosis and its related complications is essential for improving treatment strategies tailored to women and men. This literature review focuses on the mechanisms underlying sexual dimorphism in osteoporosis, mainly in a population of aging patients, chronic glucocorticoid administration, and diabetes. Moreover, we highlight the implications of sexual dimorphism for developing therapeutics and preventive strategies and screening approaches tailored to women and men. Additionally, the challenges in translating bench research to bedside treatments and future directions to overcome these obstacles will be discussed.
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Affiliation(s)
- Yuan-Yuan Zhang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu, 610041, China
| | - Na Xie
- West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, 610041, China
| | - Xiao-Dong Sun
- West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, 610041, China
| | - Edouard C Nice
- Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC, 3800, Australia
| | - Yih-Cherng Liou
- Department of Biological Sciences, Faculty of Science, National University of Singapore, Singapore, 117543, Republic of Singapore
| | - Canhua Huang
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, and West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, 610041, China
| | - Huili Zhu
- Key Laboratory of Birth Defects and Related Diseases of Women and Children of Ministry of Education, Department of Reproductive Medicine, West China Second University Hospital of Sichuan University, Chengdu, China.
| | - Zhisen Shen
- Department of Otorhinolaryngology and Head and Neck Surgery, The Affiliated Lihuili Hospital, Ningbo University, 315040, Ningbo, Zhejiang, China.
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Chen G, Li Y, Zhang H, Xie H. [Role of Piezo mechanosensitive ion channels in the osteoarticular system]. ZHONGGUO XIU FU CHONG JIAN WAI KE ZA ZHI = ZHONGGUO XIUFU CHONGJIAN WAIKE ZAZHI = CHINESE JOURNAL OF REPARATIVE AND RECONSTRUCTIVE SURGERY 2024; 38:240-248. [PMID: 38385239 PMCID: PMC10882244 DOI: 10.7507/1002-1892.202310092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Abstract
Objective To summarize the role of Piezo mechanosensitive ion channels in the osteoarticular system, in order to provide reference for subsequent research. Methods Extensive literature review was conducted to summarize the structural characteristics, gating mechanisms, activators and blockers of Piezo ion channels, as well as their roles in the osteoarticular systems. Results The osteoarticular system is the main load-bearing and motor tissue of the body, and its ability to perceive and respond to mechanical stimuli is one of the guarantees for maintaining normal physiological functions of bones and joints. The occurrence and development of many osteoarticular diseases are closely related to abnormal mechanical loads. At present, research shows that Piezo mechanosensitive ion channels differentiate towards osteogenesis by responding to stretching stimuli and regulating cellular Ca 2+ influx signals; and it affects the proliferation and migration of osteoblasts, maintaining bone homeostasis through cellular communication between osteoblasts-osteoclasts. Meanwhile, Piezo1 protein can indirectly participate in regulating the formation and activity of osteoclasts through its host cells, thereby regulating the process of bone remodeling. During mechanical stimulation, the Piezo1 ion channel maintains bone homeostasis by regulating the expressions of Akt and Wnt1 signaling pathways. The sensitivity of Piezo1/2 ion channels to high strain mechanical signals, as well as the increased sensitivity of Piezo1 ion channels to mechanical transduction mediated by Ca 2+ influx and inflammatory signals in chondrocytes, is expected to become a new entry point for targeted prevention and treatment of osteoarthritis. But the specific way mechanical stimuli regulate the physiological/pathological processes of bones and joints still needs to be clarified. Conclusion Piezo mechanosensitive ion channels give the osteoarticular system with important abilities to perceive and respond to mechanical stress, playing a crucial mechanical sensing role in its cellular fate, bone development, and maintenance of bone and cartilage homeostasis.
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Affiliation(s)
- Guohui Chen
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P. R. China
- Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P. R. China
| | - Yaxing Li
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P. R. China
- Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P. R. China
| | - Hui Zhang
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P. R. China
- Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P. R. China
| | - Huiqi Xie
- Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P. R. China
- Laboratory of Stem Cell and Tissue Engineering, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P. R. China
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133
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Xie L, Ren X, Yang Z, Zhou T, Zhang M, An W, Guan Z. Exosomal circ_0000722 derived from periodontal ligament stem cells undergoing osteogenic differentiation promotes osteoclastogenesis. Int Immunopharmacol 2024; 128:111520. [PMID: 38199194 DOI: 10.1016/j.intimp.2024.111520] [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: 06/03/2023] [Revised: 01/05/2024] [Accepted: 01/05/2024] [Indexed: 01/12/2024]
Abstract
Periodontal ligament stem cells (PDLSCs), which are considered promising stem cells for regeneration of periodontal bony tissue, can also manipulate alveolar bone remodeling by exosomes. In this study, we investigated interactions between PDLSCs under osteogenic differentiation and osteoclast precursors. The results showed that conditioned medium from PDLSCs under 5d osteogenic induction promoted osteoclastogenesis of RAW264.7 cells. The exosomes extracted from those conditioned media showed similar effects on osteoclastogenesis. Furthermore, exosomes from PDLSCs under 5d of osteogenic induction showed significantly high expression of circ_0000722, compared with exosomes from PDLSCs before osteogenic induction. Downregulation of circ_0000722 significantly attenuated the effect of PDLSC-derived exosomes on the osteoclastogenesis of RAW264.7 cells. Our findings suggested that exosomal circ_0000722 derived from periodontal ligament stem cells undergoing osteogenic differentiation might promote osteoclastogenesis by upregulating TRAF6 expression and activating downstream NF-κB and AKT signaling pathways.
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Affiliation(s)
- Liangkun Xie
- Department of Oral Implantology, Kunming Medical University School and Hospital of Stomatology, Kunming, Yunnan, China; Yunnan Key Laboratory of Stomatology, Kunming, Yunnan, China
| | - Xuefeng Ren
- Yunnan Key Laboratory of Stomatology, Kunming, Yunnan, China; Department of Periodontology, Kunming Medical University School and Hospital of Stomatology, Kunming, Yunnan, China
| | - Zijie Yang
- Department of Oral Implantology, Kunming Medical University School and Hospital of Stomatology, Kunming, Yunnan, China; Yunnan Key Laboratory of Stomatology, Kunming, Yunnan, China
| | - Ting Zhou
- Yunnan Key Laboratory of Stomatology, Kunming, Yunnan, China
| | - Mingzhu Zhang
- Yunnan Key Laboratory of Stomatology, Kunming, Yunnan, China; Department of Periodontology, Kunming Medical University School and Hospital of Stomatology, Kunming, Yunnan, China
| | - Wei An
- Department of Oral Implantology, Kunming Medical University School and Hospital of Stomatology, Kunming, Yunnan, China; Yunnan Key Laboratory of Stomatology, Kunming, Yunnan, China
| | - Zheng Guan
- Biomedical Research Center, the Affiliated Calmette Hospital of Kunming Medical University (the First Hospital of Kunming), Kunming, Yunnan, China.
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134
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Xie X, Fu J, Gou W, Qin Y, Wang D, Huang Z, Wang L, Li X. Potential mechanism of tea for treating osteoporosis, osteoarthritis, and rheumatoid arthritis. Front Med (Lausanne) 2024; 11:1289777. [PMID: 38420363 PMCID: PMC10899483 DOI: 10.3389/fmed.2024.1289777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Accepted: 01/08/2024] [Indexed: 03/02/2024] Open
Abstract
Osteoporosis (OP), osteoarthritis (OA), and rheumatoid arthritis (RA) are common bone and joint diseases with a high incidence and long duration. Thus, these conditions can affect the lives of middle-aged and elderly people. Tea drinking is a traditional lifestyle in China, and the long-term intake of tea and its active ingredients is beneficial to human health. However, the mechanisms of action of tea and its active ingredients against OP, OA, and RA are not completely elucidated. This study aimed to assess the therapeutic role and related mechanisms of tea and its active ingredients in OP, OA, and RA. Moreover, it expanded the potential mechanisms of tea efficacy based on network pharmacology and molecular docking. Results showed that tea has potential anti-COX properties and hormone-like effects. Compared with a single component, different tea components synergize or antagonize each other, thereby resulting in a more evident dual effect. In conclusion, tea has great potential in the medical and healthcare fields. Nevertheless, further research on the composition, proportion, and synergistic mechanism of several tea components should be performed.
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Affiliation(s)
- Xinyu Xie
- Academy of Integrative Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, China
- Fujian Key Laboratory of Integrative Medicine on Geriatrics, Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Jiehui Fu
- Department of Sports Medicine (Orthopedics), Fujian University of Traditional Chinese Medicine Subsidiary Rehabilitation Hospital, Fuzhou, China
| | - Weiying Gou
- Academy of Integrative Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, China
- Fujian Key Laboratory of Integrative Medicine on Geriatrics, Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Yifei Qin
- Academy of Integrative Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, China
- Fujian Key Laboratory of Integrative Medicine on Geriatrics, Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Dingzhen Wang
- Academy of Integrative Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, China
- Fujian Key Laboratory of Integrative Medicine on Geriatrics, Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Zuer Huang
- Academy of Integrative Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, China
- Fujian Key Laboratory of Integrative Medicine on Geriatrics, Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Lili Wang
- Academy of Integrative Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, China
- Fujian Key Laboratory of Integrative Medicine on Geriatrics, Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Xihai Li
- Fujian Key Laboratory of Integrative Medicine on Geriatrics, Fujian University of Traditional Chinese Medicine, Fuzhou, China
- College of Integrative Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, China
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135
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Kavinda MD, Lee MH, Kang CH, Choi YH, Kim GY. 2,4'-Dihydroxybenzophenone Exerts Bone Formation and Antiosteoporotic Activity by Stimulating the β-Catenin Signaling Pathway. ACS Pharmacol Transl Sci 2024; 7:395-405. [PMID: 38357289 PMCID: PMC10863440 DOI: 10.1021/acsptsci.3c00251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 12/13/2023] [Accepted: 01/03/2024] [Indexed: 02/16/2024]
Abstract
2,4'-Dihydroxybenzophenone (DHP) is an organic compound derived from Garcinia xanthochymus, but there have been no reports on its biochemical functions and bioavailability. In this study, we evaluated whether DHP affects osteoblast differentiation and activation in MC3T3-E1 preosteoblast cells, as well as antiosteoporotic activity in zebrafish larvae. Nontoxic concentrations of DHP-treated MC3T3-E1 preosteoblast cells increased alkaline phosphatase (ALP) activation and mineralization in a concentration-dependent manner, accompanied by higher expression of osteoblast-specific markers, including Runt-related transcription factor 2 (RUNX2), osterix, and ALP. Consistent with the data in MC3T3-E1 preosteoblast cells, DHP upregulated osteoblast-specific marker genes in zebrafish larvae and simultaneously enhanced vertebral formation. We also revealed that DHP increased the phosphorylation of glycogen synthase kinase-3β (GSK-3β) at Ser9 and the total expression of β-catenin in the cytosol and markedly increased the localization of β-catenin into the nucleus. Furthermore, DHP restored the prednisolone (PDS)-induced marked decrease in ALP activity and mineralization, as well as osteoblast-specific marker expression. In PDS-treated zebrafish, DHP also alleviated PDS-induced osteoporosis by restoring vertebral formation and osteoblast-related gene expression. Taken together, these results suggest that DHP is a potential osteoanabolic candidate for treating osteoporosis by stimulating osteoblast differentiation.
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Affiliation(s)
| | - Mi-Hwa Lee
- Nakdonggang
National Institute of Biological Resources, Sanju 37242, Republic of Korea
| | - Chang-Hee Kang
- Nakdonggang
National Institute of Biological Resources, Sanju 37242, Republic of Korea
| | - Yung Hyun Choi
- Department
of Biochemistry, College of Korean Medicine, Dong-Eui University, Busan 47227, Republic
of Korea
| | - Gi-Young Kim
- Department
of Marine Life Science, Jeju National University, Jeju 63243, Republic of Korea
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Zhou J, Jia F, Qu M, Ning P, Huang X, Tan L, Liu D, Zhong P, Wu Q. The prevention effect of pulsed electromagnetic fields treatment on senile osteoporosis in vivo via improving the inflammatory bone microenvironment. Electromagn Biol Med 2024:1-15. [PMID: 38329038 DOI: 10.1080/15368378.2024.2314093] [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: 09/13/2022] [Accepted: 10/26/2023] [Indexed: 02/09/2024]
Abstract
This study aimed to assess PEMF in a rat model of senile osteoporosis and its relationship with NLRP3-mediated low-grade inflammation in the bone marrow microenvironment. A total of 24 Sprague Dawley (SD) rats were included in this study. Sixteen of them were 24-month natural-aged male SD rats, which were randomly distributed into the Aged group and the PEMF group (n = 8 per group). The remaining 8 3-month -old rats were used as the Young positive control group (n = 8). Rats in the PEMF group received 12 weeks of PEMF with 40 min/day, five days per week, while the other rats received placebo PEMF intervention. Bone mineral density/microarchitecture, serum levels of CTX-1 and P1CP, and NLRP3-related signaling genes and proteins in rat bone marrow were then analyzed. The 12-week of PEMF showed significant mitigation of aging-induced bone loss and bone microarchitecture deterioration, i.e. PEMF increased the bone mineral density of the proximal femur and L5 vertebral body and improved parameters of the proximal tibia and L4 vertebral body. Further analysis showed that PEMF reversed aging-induced bone turnover, specifically, decreased serum CTX-1 and elevated serum P1CP. Furthermore, PEMF also dramatically inhibited NLRP3-mediated low-grade inflammation in the bone marrow, i.e. PEMF inhibited the levels of NLRP3, proCaspase1, cleaved Caspase1, IL-1β, and GSDMD-N. The study demonstrated that PEMF could mitigate the aging-induced bone loss and reverses the deterioration of bone microarchitecture probably through inhibiting NLRP3-mediated low-grade chronic inflammation to improve the inflammatory bone microenvironment in aged rats.
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Affiliation(s)
- Jun Zhou
- The First Affiliated Hospital, Rehabilitation Medicine Center, Hengyang Medical School, University of South China, Hengyang, Hunan, China
- The First Affiliated Hospital, Acupuncture/Rehabilitation Laboratory, Hengyang Medical School, University of South China, Hengyang, Hunan, China
| | - Feiyang Jia
- The First Affiliated Hospital, Rehabilitation Medicine Center, Hengyang Medical School, University of South China, Hengyang, Hunan, China
- The First Affiliated Hospital, Acupuncture/Rehabilitation Laboratory, Hengyang Medical School, University of South China, Hengyang, Hunan, China
| | - Mengjian Qu
- The First Affiliated Hospital, Rehabilitation Medicine Center, Hengyang Medical School, University of South China, Hengyang, Hunan, China
- The First Affiliated Hospital, Acupuncture/Rehabilitation Laboratory, Hengyang Medical School, University of South China, Hengyang, Hunan, China
| | - Pengyun Ning
- The First Affiliated Hospital, Rehabilitation Medicine Center, Hengyang Medical School, University of South China, Hengyang, Hunan, China
- The First Affiliated Hospital, Acupuncture/Rehabilitation Laboratory, Hengyang Medical School, University of South China, Hengyang, Hunan, China
| | - Xiarong Huang
- The First Affiliated Hospital, Rehabilitation Medicine Center, Hengyang Medical School, University of South China, Hengyang, Hunan, China
- The First Affiliated Hospital, Acupuncture/Rehabilitation Laboratory, Hengyang Medical School, University of South China, Hengyang, Hunan, China
| | - Lu Tan
- The First Affiliated Hospital, Rehabilitation Medicine Center, Hengyang Medical School, University of South China, Hengyang, Hunan, China
- The First Affiliated Hospital, Acupuncture/Rehabilitation Laboratory, Hengyang Medical School, University of South China, Hengyang, Hunan, China
| | - Danni Liu
- The First Affiliated Hospital, Rehabilitation Medicine Center, Hengyang Medical School, University of South China, Hengyang, Hunan, China
- The First Affiliated Hospital, Acupuncture/Rehabilitation Laboratory, Hengyang Medical School, University of South China, Hengyang, Hunan, China
| | - Peirui Zhong
- The First Affiliated Hospital, Rehabilitation Medicine Center, Hengyang Medical School, University of South China, Hengyang, Hunan, China
- The First Affiliated Hospital, Acupuncture/Rehabilitation Laboratory, Hengyang Medical School, University of South China, Hengyang, Hunan, China
| | - Qi Wu
- The First Affiliated Hospital, Rehabilitation Medicine Center, Hengyang Medical School, University of South China, Hengyang, Hunan, China
- The First Affiliated Hospital, Acupuncture/Rehabilitation Laboratory, Hengyang Medical School, University of South China, Hengyang, Hunan, China
- School of Rehabilitation Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
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Vanitchanont M, Vallibhakara SAO, Sophonsritsuk A, Vallibhakara O. Effects of Multispecies Probiotic Supplementation on Serum Bone Turnover Markers in Postmenopausal Women with Osteopenia: A Randomized, Double-Blind, Placebo-Controlled Trial. Nutrients 2024; 16:461. [PMID: 38337745 PMCID: PMC10857023 DOI: 10.3390/nu16030461] [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: 01/06/2024] [Revised: 01/25/2024] [Accepted: 01/30/2024] [Indexed: 02/12/2024] Open
Abstract
Probiotics have been found to have beneficial effects on bone metabolism. In this randomized, double-blind, placebo-controlled trial, the effects of multispecies probiotic supplementation on bone turnover markers were evaluated after 12 weeks. Forty postmenopausal women with osteopenia were included and randomly divided into two groups. The intervention group received multispecies probiotics, while the control group received identical placebo sachets daily. The baseline characteristics of both groups were similar. Still, the median serum bone resorption marker C-terminal telopeptide of type I collagen (CTX) was slightly higher in the multispecies probiotic group than in the placebo group (0.35 (0.12, 0.53) vs. 0.16 (0.06, 0.75); p-value = 0.004). After 12 weeks, the mean difference in serum CTX at baseline versus 12 weeks was significantly different between the multispecies probiotic and placebo groups (-0.06 (-0.29, 0.05) vs. 0.04 (-0.45, 0.67); p-value < 0.001). The multispecies probiotic group showed a significant decrease in serum CTX at 12 weeks compared with baseline (p-value 0.026). However, the placebo group showed no significant change in serum CTX (p-value 0.18). In conclusion, multispecies probiotics may have a preventive effect on bone through their antiresorptive effect in osteopenic postmenopausal women.
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Affiliation(s)
- Marut Vanitchanont
- Reproductive Endocrinology and Infertility Unit, Department of Obstetrics and Gynaecology, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand; (M.V.); (A.S.)
| | - Sakda Arj-Ong Vallibhakara
- Child Safety Promotion and Injury Prevention Research Center, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand;
| | - Areepan Sophonsritsuk
- Reproductive Endocrinology and Infertility Unit, Department of Obstetrics and Gynaecology, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand; (M.V.); (A.S.)
| | - Orawin Vallibhakara
- Reproductive Endocrinology and Infertility Unit, Department of Obstetrics and Gynaecology, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand; (M.V.); (A.S.)
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Peng R, Dong Y, Zheng M, Kang H, Wang P, Zhu M, Song K, Wu W, Li F. IL-17 promotes osteoclast-induced bone loss by regulating glutamine-dependent energy metabolism. Cell Death Dis 2024; 15:111. [PMID: 38316760 PMCID: PMC10844210 DOI: 10.1038/s41419-024-06475-2] [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: 09/09/2023] [Revised: 01/11/2024] [Accepted: 01/16/2024] [Indexed: 02/07/2024]
Abstract
Osteoclasts consume an amount of adenosine triphosphate (ATP) to perform their bone resorption function in the development of osteoporosis. However, the mechanism underlying osteoclast energy metabolism has not been fully elucidated. In addition to glucose, glutamine (Glu) is another major energy carrier to produce ATP. However, the role of Glu metabolism in osteoclasts and the related molecular mechanisms has been poorly elucidated. Here we show that Glu is required for osteoclast differentiation and function, and that Glu deprivation or pharmacological inhibition of Glu transporter ASCT2 by V9302 suppresses osteoclast differentiation and their bone resorptive function. In vivo treatment with V9302 improved OVX-induced bone loss. Mechanistically, RNA-seq combined with in vitro and in vivo experiments suggested that Glu mediates the role of IL-17 in promoting osteoclast differentiation and in regulating energy metabolism. In vivo IL-17 treatment exacerbated OVX-induced bone loss, and this effect requires the participation of Glu or its downstream metabolite α-KG. Taken together, this study revealed a previously unappreciated regulation of IL-17 on energy metabolism, and this regulation is Glu-dependent. Targeting the IL-17-Glu-energy metabolism axis may be a potential therapeutic strategy for the treatment of osteoporosis and other IL-17 related diseases.
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Affiliation(s)
- Renpeng Peng
- Department of Orthopedic Surgery, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Yimin Dong
- Department of Orthopedic Surgery, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Meng Zheng
- Department of Orthopedic Surgery, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Honglei Kang
- Department of Orthopedic Surgery, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Pengju Wang
- Department of Orthopedic Surgery, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Meipeng Zhu
- Department of Orthopedic Surgery, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Kehan Song
- Department of Orthopedic Surgery, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China.
| | - Wei Wu
- Department of Orthopedic Surgery, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China.
| | - Feng Li
- Department of Orthopedic Surgery, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China.
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Hoveidaei AH, Sadat-Shojai M, Mosalamiaghili S, Salarikia SR, Roghani-Shahraki H, Ghaderpanah R, Ersi MH, Conway JD. Nano-hydroxyapatite structures for bone regenerative medicine: Cell-material interaction. Bone 2024; 179:116956. [PMID: 37951520 DOI: 10.1016/j.bone.2023.116956] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 11/04/2023] [Accepted: 11/05/2023] [Indexed: 11/14/2023]
Abstract
Bone tissue engineering holds great promise for the regeneration of damaged or severe bone defects. However, several challenges hinder its translation into clinical practice. To address these challenges, interdisciplinary efforts and advances in biomaterials, cell biology, and bioengineering are required. In recent years, nano-hydroxyapatite (nHA)-based scaffolds have emerged as a promising approach for the development of bone regenerative agents. The unique similarity of nHA with minerals found in natural bones promotes remineralization and stimulates bone growth, which are crucial factors for efficient bone regeneration. Moreover, nHA exhibits desirable properties, such as strong chemical interactions with bone and facilitation of tissue growth, without inducing inflammation or toxicity. It also promotes osteoblast survival, adhesion, and proliferation, as well as increasing alkaline phosphatase activity, osteogenic differentiation, and bone-specific gene expression. However, it is important to note that the effect of nHA on osteoblast behavior is dose-dependent, with cytotoxic effects observed at higher doses. Additionally, the particle size of nHA plays a crucial role, with smaller particles having a more significant impact. Therefore, in this review, we highlighted the potential of nHA for improving bone regeneration processes and summarized the available data on bone cell response to nHA-based scaffolds. In addition, an attempt is made to portray the current status of bone tissue engineering using nHA/polymer hybrids and some recent scientific research in the field.
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Affiliation(s)
- Amir Human Hoveidaei
- International Center for Limb Lengthening, Rubin Institute for Advanced Orthopedics, Sinai Hospital of Baltimore, Baltimore, MD, USA
| | - Mehdi Sadat-Shojai
- Department of Chemistry, College of Sciences, Shiraz University, Shiraz, Iran
| | - Seyedarad Mosalamiaghili
- Burn and Wound Healing Research Center, Shiraz University of Medical Sciences, Shiraz, Iran; Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
| | | | | | - Rezvan Ghaderpanah
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammad Hamed Ersi
- Evidence Based Medicine Center, Hormozgan University of Medical Sciences, Bandar Abbas, Iran; Clinical Research Development Center of Shahid Mohammadi Hospital, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | - Janet D Conway
- International Center for Limb Lengthening, Rubin Institute for Advanced Orthopedics, Sinai Hospital of Baltimore, Baltimore, MD, USA.
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Eun SY, Do Park G, Cheon YH, Lee MS, Cho HJ, Kim JY. Inhibition of receptor activator of nuclear factor kappa-B ligand-mediated osteoclast differentiation and bone resorption by Gryllus bimaculatus extract: An in vitro study. J Cell Biochem 2024; 125:e30518. [PMID: 38224182 DOI: 10.1002/jcb.30518] [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: 05/15/2023] [Revised: 11/29/2023] [Accepted: 12/19/2023] [Indexed: 01/16/2024]
Abstract
Excessive bone-resorbing osteoclast activity during bone remodeling is a major feature of bone diseases, such as osteoporosis. Therefore, the inhibition of osteoclast formation and bone resorption can be an effective therapeutic target for various bone diseases. Gryllus biomaculatus (GB) has recently been approved as an alternative food source because of its high nutritional value and environmental sustainability. Traditionally, GB has been known to have various pharmacological properties, including antipyretic and blood pressure-lowering activity, and it has recently been reported to have various biological activities, including protective effects against inflammation, oxidative stress, insulin resistance, and alcohol-induced liver injury. However, the effect of GB on osteoclast differentiation and bone metabolism has not yet been demonstrated. In this study, we confirmed the inhibitory effect of GB extract (GBE) on the receptor activator of nuclear factor-κB ligand (RANKL)-induced osteoclast formation. To determine the effect of GBE on RANKL-induced osteoclast differentiation and function, we performed TRAP and F-actin staining, as well as a bone-resorbing assay. The intracellular mechanisms of GBE responsible for the regulation of osteoclastogenesis were revealed by Western blot analysis and quantitative real-time polymerase chain reaction. We investigated the relationship between GBE and expression of osteoclast-specific molecules to further elucidate the underlying mechanisms. It was found that GBE significantly suppressed osteoclastogenesis by decreasing the phosphorylation of Akt, p38, JNK, and ERK, as well as Btk-PLCγ2 signaling, in pathways involved in early osteoclastogenesis as well as through the subsequent suppression of c-Fos, NFATc1, and osteoclastogenesis-specific marker genes. Additionally, GBE inhibited the formation of F-actin ring-positive osteoclasts and bone resorption activity of mature osteoclasts. Our findings suggest that GBE is a potential functional food and therapeutic candidate for bone diseases involving osteoclasts.
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Affiliation(s)
- So Young Eun
- Musculoskeletal and Immune Disease Research Institute, School of Medicine, Wonkwang University, Iksan, South Korea
| | - Gyeong Do Park
- Musculoskeletal and Immune Disease Research Institute, School of Medicine, Wonkwang University, Iksan, South Korea
| | - Yoon-Hee Cheon
- Musculoskeletal and Immune Disease Research Institute, School of Medicine, Wonkwang University, Iksan, South Korea
| | - Myeung Su Lee
- Musculoskeletal and Immune Disease Research Institute, School of Medicine, Wonkwang University, Iksan, South Korea
- Division of Rheumatology, Department of Internal Medicine, Wonkwang University Hospital, Iksan, South Korea
| | - Hae Joong Cho
- Musculoskeletal and Immune Disease Research Institute, School of Medicine, Wonkwang University, Iksan, South Korea
- Department of Obstetrics and Gynecology, Wonkwang University Hospital, Iksan, South Korea
| | - Ju-Young Kim
- Musculoskeletal and Immune Disease Research Institute, School of Medicine, Wonkwang University, Iksan, South Korea
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Xiao B, Adjei-Sowah E, Benoit DSW. Integrating osteoimmunology and nanoparticle-based drug delivery systems for enhanced fracture healing. NANOMEDICINE : NANOTECHNOLOGY, BIOLOGY, AND MEDICINE 2024; 56:102727. [PMID: 38056586 PMCID: PMC10872334 DOI: 10.1016/j.nano.2023.102727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 10/23/2023] [Accepted: 11/27/2023] [Indexed: 12/08/2023]
Abstract
Fracture healing is a complex interplay of molecular and cellular mechanisms lasting from days to weeks. The inflammatory phase is the first stage of fracture healing and is critical in setting the stage for successful healing. There has been growing interest in exploring the role of the immune system and novel therapeutic strategies, such as nanoparticle drug delivery systems in enhancing fracture healing. Advancements in nanotechnology have revolutionized drug delivery systems to the extent that they can modulate immune response during fracture healing by leveraging unique physiochemical properties. Therefore, understanding the intricate interactions between nanoparticle-based drug delivery systems and the immune response, specifically macrophages, is essential for therapeutic efficacy. This review provides a comprehensive overview of the relationship between the immune system and nanoparticles during fracture healing. Specifically, we highlight the influence of nanoparticle characteristics, such as size, surface properties, and composition, on macrophage activation, polarization, and subsequent immune responses. IMPACT STATEMENT: This review provides valuable insights into the interplay between fracture healing, the immune system, and nanoparticle-based drug delivery systems. Understanding nanoparticle-macrophage interactions can advance the development of innovative therapeutic approaches to enhance fracture healing, improve patient outcomes, and pave the way for advancements in regenerative medicine.
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Affiliation(s)
- Baixue Xiao
- Department of Biomedical Engineering, University of Rochester, Rochester, NY 14623, USA; Center for Musculoskeletal Research, University of Rochester Medical Center, Rochester, NY 14623, USA
| | - Emmanuela Adjei-Sowah
- Department of Biomedical Engineering, University of Rochester, Rochester, NY 14623, USA; Center for Musculoskeletal Research, University of Rochester Medical Center, Rochester, NY 14623, USA
| | - Danielle S W Benoit
- Department of Biomedical Engineering, University of Rochester, Rochester, NY 14623, USA; Center for Musculoskeletal Research, University of Rochester Medical Center, Rochester, NY 14623, USA; Department of Chemical Engineering, University of Rochester, Rochester, NY 14623, USA; Materials Science Program, University of Rochester, Rochester, NY 14623, USA; Department of Bioengineering, Phil and Penny Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR 97403, USA.
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Qian G, Mao Y, Shuai Y, Zeng Z, Peng S, Shuai C. Enhancing bone scaffold interfacial reinforcement through in situ growth of metal-organic frameworks (MOFs) on strontium carbonate: Achieving high strength and osteoimmunomodulation. J Colloid Interface Sci 2024; 655:43-57. [PMID: 37925968 DOI: 10.1016/j.jcis.2023.10.133] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 10/19/2023] [Accepted: 10/25/2023] [Indexed: 11/07/2023]
Abstract
Bioceramics have been extensively used to improve osteogenesis of polymers because of their excellent bone-forming capabilities. However, the inadequate interfacial bonding between ceramics and polymers compromises their mechanical properties. In this study, zeolitic imidazolate framework-8 (ZIF-8) was grown in situ on strontium carbonate (SrCO3) to construct a core-shell SrCO3@ZIF-8, which was then added to poly-l-lactic acid (PLLA) to print a SrCO3@ZIF-8/PLLA composite scaffold using selective sintering technology. First, ZIF-8 characterized by its multiple organic ligands, forms a robust interface with PLLA. Second, SrCO3 characterized by its negative zeta potential in solution, exhibits the ability to adsorb positively charged zinc ions. This, in turn, promotes the in situ growth of ZIF-8 on SrCO3, eventually achieving perfect bonding between the second phase and the PLLA matrix. Our findings indicated that the composite scaffold exhibited the highest compressive strength (21.93 MPa) and significantly promoted the osteogenic differentiation of mouse mesenchymal stem cells. Moreover, the in vivo results established that the SrCO3@ZIF-8/PLLA scaffold significantly accelerated bone regeneration efficiency in rat femur defects. The prepared scaffold, with its favorable mechanical properties and osteogenic activity, shows considerable promise for applications in bone repair.
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Affiliation(s)
- Guowen Qian
- Institute of Additive Manufacturing, Jiangxi University of Science and Technology, Nanchang 330013, China.
| | - Yuqian Mao
- Institute of Additive Manufacturing, Jiangxi University of Science and Technology, Nanchang 330013, China
| | - Yang Shuai
- College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Zhikui Zeng
- Department of Orthopedics, The Affiliated Hospital of Jiangxi University of Chinese Medicine, Nanchang 330006, China.
| | - Shuping Peng
- The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Xiangya Hospital, Central South University, Changsha, Hunan 410078, China; NHC Key Laboratory of Carcinogenesis of Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Cancer Research Institute, School of Basic Medical Science, Central South University, Changsha, Hunan 410013, China
| | - Cijun Shuai
- Institute of Additive Manufacturing, Jiangxi University of Science and Technology, Nanchang 330013, China; State Key Laboratory of Precision Manufacturing for Extreme Service Performance, College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China.
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Lan C, Zhou X, Shen X, Lin Y, Chen X, Lin J, Zhang Y, Zheng L, Yan S. Suppression of IRF9 Promotes Osteoclast Differentiation by Decreased Ferroptosis via STAT3 Activation. Inflammation 2024; 47:99-113. [PMID: 37804406 DOI: 10.1007/s10753-023-01896-1] [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: 04/04/2023] [Revised: 08/08/2023] [Accepted: 08/25/2023] [Indexed: 10/09/2023]
Abstract
Osteoporosis is a chronic disease that endangers the health of the elderly. Inhibiting osteoclast hyperactivity is a key aspect of osteoporosis prevention and treatment. Several studies have shown that interferon regulatory factor 9 (IRF9) not only regulates innate and adaptive immune responses but also plays an important role in inflammation, antiviral response, and cell development. However, the exact role of IRF9 in osteoclasts has not been reported. To elucidate the role of IRF9 in osteoclast differentiation, we established the ovariectomized mouse model of postmenopausal osteoporosis and found that IRF9 expression was reduced in ovariectomized mice with overactive osteoclasts. Furthermore, knockdown of IRF9 expression enhanced osteoclast differentiation in vitro. Using RNA sequencing, we identified that the differentially expressed genes enriched by IRF9 knockdown were related to ferroptosis. We observed that IRF9 knockdown promoted osteoclast differentiation via decreased ferroptosis in vitro and further verified that IRF9 knockdown reduced ferroptosis by activating signal transducer and activator of transcription 3 (STAT3) to promote osteoclastogenesis. In conclusion, we identified an essential role of IRF9 in the regulation of osteoclastogenesis in osteoporosis and its underlying mechanism.
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Affiliation(s)
- Chao Lan
- Department of Endocrinology, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China
- Department of Endocrinology, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China
- Clinical Research Center for Metabolic Diseases of Fujian Province, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China
- Fujian Key Laboratory of Glycolipid and Bone Mineral Metabolism, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China
- Diabetes Research Institute of Fujian Province, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China
- Metabolic Diseases Research Institute, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China
| | - Xuan Zhou
- Department of Endocrinology, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China
- Department of Endocrinology, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China
- Clinical Research Center for Metabolic Diseases of Fujian Province, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China
- Fujian Key Laboratory of Glycolipid and Bone Mineral Metabolism, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China
- Diabetes Research Institute of Fujian Province, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China
- Metabolic Diseases Research Institute, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China
| | - Ximei Shen
- Department of Endocrinology, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China
- Department of Endocrinology, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China
- Clinical Research Center for Metabolic Diseases of Fujian Province, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China
- Fujian Key Laboratory of Glycolipid and Bone Mineral Metabolism, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China
- Diabetes Research Institute of Fujian Province, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China
- Metabolic Diseases Research Institute, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China
| | - Youfen Lin
- Department of Endocrinology, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China
- Department of Endocrinology, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China
- Clinical Research Center for Metabolic Diseases of Fujian Province, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China
- Fujian Key Laboratory of Glycolipid and Bone Mineral Metabolism, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China
- Diabetes Research Institute of Fujian Province, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China
- Metabolic Diseases Research Institute, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China
| | - Xiaoyuan Chen
- Department of Endocrinology, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China
| | - Jiebin Lin
- Department of Endocrinology, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China
| | - Yongze Zhang
- Department of Endocrinology, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China
- Department of Endocrinology, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China
- Clinical Research Center for Metabolic Diseases of Fujian Province, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China
- Fujian Key Laboratory of Glycolipid and Bone Mineral Metabolism, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China
- Diabetes Research Institute of Fujian Province, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China
- Metabolic Diseases Research Institute, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China
| | - Lifeng Zheng
- Orthopedics Department, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350005, Fujian, China
| | - Sunjie Yan
- Department of Endocrinology, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China.
- Department of Endocrinology, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China.
- Clinical Research Center for Metabolic Diseases of Fujian Province, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China.
- Fujian Key Laboratory of Glycolipid and Bone Mineral Metabolism, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China.
- Diabetes Research Institute of Fujian Province, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China.
- Metabolic Diseases Research Institute, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China.
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Nakamura A, Towheed T. Pathogenesis, assessment, and management of bone loss in axial spondyloarthritis. Semin Arthritis Rheum 2024; 64:152345. [PMID: 38103486 DOI: 10.1016/j.semarthrit.2023.152345] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 11/30/2023] [Accepted: 12/05/2023] [Indexed: 12/19/2023]
Abstract
INTRODUCTION Axial spondyloarthritis (axSpA) presents a complex scenario where both new bone formation in entheseal tissues and significant trabecular bone loss coexist, emphasizing the intricate nature of bone dynamics in this context. METHODS A search of the literature was conducted to compose a narrative review exploring the pathogenesis, possible assessment methods, and potential management options for axSpA. RESULTS While chronic systemic and local inflammation contribute to bone loss, the mechanisms behind axSpA-associated bone loss exhibit distinct characteristics influenced by factors like mechanical stress and the gut microbiome. These factors directly or indirectly stimulate osteoclast differentiation and activation through the RANK-RANKL axis, while simultaneously impeding osteoblast differentiation via negative regulation of bone anabolic pathways, including the Wnt signaling pathway. This disruption in the balance between bone-resorbing osteoclasts and bone-forming osteoblasts contributes to overall bone loss in axSpA. Early evaluation at diagnosis is prudent for detecting bone changes. While traditional dual x-ray absorptiometry (DXA) has limitations due to potential overestimation from spinal new bone formation, alternative methods like trabecular bone score (TBS), quantitative CT (QCT), and quantitative ultrasound (QUS) show promise. However, their integration into routine clinical practice remains limited. In addition to approved anti-inflammatory drugs, lifestyle adjustments like regular exercise play a key role in preserving bone health. Tailoring interventions based on individual risk profiles holds potential for mitigating bone loss progression. CONCLUSION Recognizing the pivotal role of bone loss in axSpA underscores the importance of integrating regular assessments and effective management strategies into clinical practice. Given the multifaceted contributors to bone loss in axSpA, a multidisciplinary approach is essential.
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Affiliation(s)
- Akihiro Nakamura
- Department of Medicine, Division of Rheumatology, Queen's University, Kingston, Ontario, Canada; Translational Institute of Medicine, School of Medicine, Queen's University, Ontario, Canada; Kingston Health Science Centre, Kingston, Ontario, Canada.
| | - Tanveer Towheed
- Department of Medicine, Division of Rheumatology, Queen's University, Kingston, Ontario, Canada; Translational Institute of Medicine, School of Medicine, Queen's University, Ontario, Canada; Kingston Health Science Centre, Kingston, Ontario, Canada.
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Li H, Deng W, Yang J, Lin Y, Zhang S, Liang Z, Chen J, Hu M, Liu T, Mo G, Zhang Z, Wang D, Gu P, Tang Y, Yuan K, Xu L, Xu J, Zhang S, Li Y. Corylifol A suppresses osteoclastogenesis and alleviates ovariectomy-induced bone loss via attenuating ROS production and impairing mitochondrial function. Biomed Pharmacother 2024; 171:116166. [PMID: 38244329 DOI: 10.1016/j.biopha.2024.116166] [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: 10/30/2023] [Revised: 01/11/2024] [Accepted: 01/11/2024] [Indexed: 01/22/2024] Open
Abstract
Osteoporosis is a systemic disease characterized by an imbalance in bone homeostasis, where osteoblasts fail to fully compensate for the bone resorption induced by osteoclasts. Corylifol A, a flavonoid extracted from Fructus psoraleae, has been identified as a potential treatment for this condition. Predictions from network pharmacology and molecular docking studies suggest that Corylifol A exhibits strong binding affinity with NFATc1, Nrf2, PI3K, and AKT1. Empirical evidence from in vivo experiments indicates that Corylifol A significantly mitigates systemic bone loss induced by ovariectomy by suppressing both the generation and activation of osteoclasts. In vitro studies further showed that Corylifol A inhibited the activation of PI3K-AKT and MAPK pathways and calcium channels induced by RANKL in a time gradient manner, and specifically inhibited the phosphorylation of PI3K, AKT, GSK3 β, ERK, CaMKII, CaMKIV, and Calmodulin. It also diminishes ROS production through Nrf2 activation, leading to a decrease in the expression of key regulators such as NFATcl, C-Fos, Acp5, Mmp9, and CTSK that are involved in osteoclastogenesis. Notably, our RNA-seq analysis suggests that Corylifol A primarily impacts mitochondrial energy metabolism by suppressing oxidative phosphorylation. Collectively, these findings demonstrate that Corylifol A is a novel inhibitor of osteoclastogenesis, offering potential therapeutic applications for diseases associated with excessive bone resorption.
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Affiliation(s)
- HaiShan Li
- The First Clinical Academy, Guangzhou University of Chinese Medicine, Guangzhou, China; Lingnan Medical Research Center of Guangzhou University of Chinese Medicine, Guangzhou, China; The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Wei Deng
- The First Clinical Academy, Guangzhou University of Chinese Medicine, Guangzhou, China; Lingnan Medical Research Center of Guangzhou University of Chinese Medicine, Guangzhou, China; The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - JiaMin Yang
- The First Clinical Academy, Guangzhou University of Chinese Medicine, Guangzhou, China; Lingnan Medical Research Center of Guangzhou University of Chinese Medicine, Guangzhou, China; The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - YueWei Lin
- The First Clinical Academy, Guangzhou University of Chinese Medicine, Guangzhou, China; Lingnan Medical Research Center of Guangzhou University of Chinese Medicine, Guangzhou, China; The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - ShiYin Zhang
- The First Clinical Academy, Guangzhou University of Chinese Medicine, Guangzhou, China; Lingnan Medical Research Center of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - ZiXuan Liang
- The First Clinical Academy, Guangzhou University of Chinese Medicine, Guangzhou, China; Lingnan Medical Research Center of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - JunChun Chen
- School of Biomedical Sciences, University of Western Australia, Perth, Western Australia, Australia; ShenZhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - MinHua Hu
- The First Clinical Academy, Guangzhou University of Chinese Medicine, Guangzhou, China; Lingnan Medical Research Center of Guangzhou University of Chinese Medicine, Guangzhou, China; The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Teng Liu
- The First Clinical Academy, Guangzhou University of Chinese Medicine, Guangzhou, China; Lingnan Medical Research Center of Guangzhou University of Chinese Medicine, Guangzhou, China; The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - GuoYe Mo
- The First Clinical Academy, Guangzhou University of Chinese Medicine, Guangzhou, China; The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Zhen Zhang
- The First Clinical Academy, Guangzhou University of Chinese Medicine, Guangzhou, China; Lingnan Medical Research Center of Guangzhou University of Chinese Medicine, Guangzhou, China; The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - DongPing Wang
- The First Clinical Academy, Guangzhou University of Chinese Medicine, Guangzhou, China; Lingnan Medical Research Center of Guangzhou University of Chinese Medicine, Guangzhou, China; The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Peng Gu
- The First Clinical Academy, Guangzhou University of Chinese Medicine, Guangzhou, China; Lingnan Medical Research Center of Guangzhou University of Chinese Medicine, Guangzhou, China; The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - YongChao Tang
- The First Clinical Academy, Guangzhou University of Chinese Medicine, Guangzhou, China; The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Kai Yuan
- The First Clinical Academy, Guangzhou University of Chinese Medicine, Guangzhou, China; The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - LiangLiang Xu
- The First Clinical Academy, Guangzhou University of Chinese Medicine, Guangzhou, China; The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - JiaKe Xu
- School of Biomedical Sciences, University of Western Australia, Perth, Western Australia, Australia; ShenZhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China.
| | - ShunCong Zhang
- The First Clinical Academy, Guangzhou University of Chinese Medicine, Guangzhou, China; The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China.
| | - YongXian Li
- The First Clinical Academy, Guangzhou University of Chinese Medicine, Guangzhou, China; The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China.
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Yao C, Sun J, Luo W, Chen H, Chen T, Chen C, Zhang B, Zhang Y. Down-expression of miR-494-3p in senescent osteocyte-derived exosomes inhibits osteogenesis and accelerates age-related bone loss via PTEN/PI3K/AKT pathway. Bone Joint Res 2024; 13:52-65. [PMID: 38295830 PMCID: PMC10830172 DOI: 10.1302/2046-3758.132.bjr-2023-0146.r2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2024] Open
Abstract
Aims To investigate the effects of senescent osteocytes on bone homeostasis in the progress of age-related osteoporosis and explore the underlying mechanism. Methods In a series of in vitro experiments, we used tert-Butyl hydroperoxide (TBHP) to induce senescence of MLO-Y4 cells successfully, and collected conditioned medium (CM) and senescent MLO-Y4 cell-derived exosomes, which were then applied to MC3T3-E1 cells, separately, to evaluate their effects on osteogenic differentiation. Furthermore, we identified differentially expressed microRNAs (miRNAs) between exosomes from senescent and normal MLO-Y4 cells by high-throughput RNA sequencing. Based on the key miRNAs that were discovered, the underlying mechanism by which senescent osteocytes regulate osteogenic differentiation was explored. Lastly, in the in vivo experiments, the effects of senescent MLO-Y4 cell-derived exosomes on age-related bone loss were evaluated in male SAMP6 mice, which excluded the effects of oestrogen, and the underlying mechanism was confirmed. Results The CM and exosomes collected from senescent MLO-Y4 cells inhibited osteogenic differentiation of MC3T3-E1 cells. RNA sequencing detected significantly lower expression of miR-494-3p in senescent MLO-Y4 cell-derived exosomes compared with normal exosomes. The upregulation of exosomal miR-494-3p by miRNA mimics attenuated the effects of senescent MLO-Y4 cell-derived exosomes on osteogenic differentiation. Luciferase reporter assay demonstrated that miR-494-3p targeted phosphatase and tensin homolog (PTEN), which is a negative regulator of the phosphoinositide 3-kinase (PI3K)/AKT pathway. Overexpression of PTEN or inhibition of the PI3K/AKT pathway blocked the functions of exosomal miR-494-3p. In SAMP6 mice, senescent MLO-Y4 cell-derived exosomes accelerated bone loss, which was rescued by upregulation of exosomal miR-494-3p. Conclusion Reduced expression of miR-494-3p in senescent osteocyte-derived exosomes inhibits osteogenic differentiation and accelerates age-related bone loss via PTEN/PI3K/AKT pathway.
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Affiliation(s)
- Chen Yao
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, Jiangsu, China
| | - Jie Sun
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, Jiangsu, China
| | - Wanxin Luo
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, Jiangsu, China
| | - Hao Chen
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, Jiangsu, China
| | - Tianhao Chen
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, Jiangsu, China
| | - Cao Chen
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, Jiangsu, China
| | - Bo Zhang
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, Jiangsu, China
| | - Yafeng Zhang
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, Jiangsu, China
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147
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Wahyuningtyas ED, Triwardhani A, Ardani IGAW, Surboyo MDC. The Effect of Grape Seed Extract on the Alveolar, Jaw, and Skeletal Bone Remodeling: A Scoping Review. Eur J Dent 2024; 18:73-85. [PMID: 37311556 PMCID: PMC10959605 DOI: 10.1055/s-0043-1768975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023] Open
Abstract
Herbal medicine has an important part in promoting and maintaining human health. One of them was grape seed extract (GSE). Various potentials of GSE in human health have been explored, and its potential for maintaining bone health is promising. Some initial research has provided evidence that the GSE was able to affect bone remodeling (bone resorption and bone formation). This scoping review analyzed and discussed all the reports on the effect of GSE on bone healing and bone remodeling in animals in the alveolar bone, jaw bone, and skeletal bone. The further purpose is to give an opportunity to research and development of supplementation of GSE for humans.The Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) 2020 guidelines were used to compose this scoping review through database on Scopus, PubMed, Science Direct, Web of Science, Embase, and manual search until December 2022. The inclusion criteria were a study that analyzed the effect of supplementation GSE on all bones.All included study was in vivo study with supplementation of GSE. The supplementation of GSE affects the alveolar bone, jaw bones, and skeletal bone by promoting bone formation and inhibiting bone resorption by suppressing inflammation, apoptosis pathways, and osteoclastogenesis. It not only supports bone remodeling in bone inflammation, osteonecrosis, osteoporosis, and arthritis but also the GSE increases bone health by increasing the density and mineral deposition in trabecula and cortical bone.The supplementation of GSE supports bone remodeling by interfering with the inflammation process and bone formation not only by preventing bone resorption but also by maintaining bone density.
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Affiliation(s)
| | - Ari Triwardhani
- Department of Orthodontic, Faculty of Dental Medicine, Universitas Airlangga, Surabaya, Indonesia
| | - I Gusti Aju Wahju Ardani
- Department of Orthodontic, Faculty of Dental Medicine, Universitas Airlangga, Surabaya, Indonesia
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148
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Huang J, Zheng J, Dadihanc T, Gao Y, Zhang Y, Li Z, Wang X, Yu L, Mijiti W, Xie Z, Ma H. Isoflavones isolated from chickpea sprouts alleviate ovariectomy-induced osteoporosis in rats by dual regulation of bone remodeling. Biomed Pharmacother 2024; 171:116214. [PMID: 38290254 DOI: 10.1016/j.biopha.2024.116214] [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: 10/30/2023] [Revised: 01/19/2024] [Accepted: 01/22/2024] [Indexed: 02/01/2024] Open
Abstract
Osteoporosis is a common systemic skeletal disease and a predominant underlying factor in the increased occurrence of fractures. The structure of isoflavones resembles that of estrogen and can confer similar but weaker effects. This study investigated the potential inhibitory effects of isoflavones from chickpea sprouts (ICS) on ovariectomy (OVX)-induced osteoporosis in vitro and in vivo. Notably, we found that ICS treatment could attenuate bone loss and improve trabecular microarchitecture and biomechanical properties of the fourth lumbar vertebra in OVX-induced osteoporotic rats and could also inhibit the development of a hyperosteometabolic state in this model. The osteogenic differentiation of bone marrow stem cells (BMSCs) was significantly enhanced by ICS intervention in vitro, and we confirmed that estrogen receptor α signaling was required for this increased osteogenic differentiation. Additionally, ICS has been shown to inhibit bone resorption via ERa modulation of the OPG/RANKL pathway. RANKL-induced osteoclastogenesis was reduced under ICS treatment, supporting that NF-κB signaling was inhibited by ICS. Thus, ICS attenuates osteoporosis progression by promoting osteogenic differentiation and inhibiting osteoclastic resorption. These results support the further exploration and development of ICS as a pharmacological agent for the treatment and prevention of osteoporosis.
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Affiliation(s)
- Jinyong Huang
- Clinical Medicine Institute, State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asia, The First Affiliated Hospital of Xinjiang Medical University, Urumqi 830011 Xinjiang, China; Department of Trauma Orthopedics, The First Affiliated Hospital of Xinjiang Medical University,Urumqi 830011 Xinjiang, China; Key Laboratory of High Incidence Disease Research in Xinjiang (Xinjiang Medical University), Ministry of Education,Urumqi 830011 Xinjiang, China; Xinjiang Clinical Research Center for Orthopedics, Urumqi 830011 Xinjiang, China
| | - Jingjie Zheng
- Department of Joint Surgery, The First Affiliated Hospital of Xinjiang Medical University, Urumqi 830011 Xinjiang, China; Key Laboratory of High Incidence Disease Research in Xinjiang (Xinjiang Medical University), Ministry of Education,Urumqi 830011 Xinjiang, China; Xinjiang Clinical Research Center for Orthopedics, Urumqi 830011 Xinjiang, China
| | - Tuerxunjiang Dadihanc
- Key Laboratory of High Incidence Disease Research in Xinjiang (Xinjiang Medical University), Ministry of Education,Urumqi 830011 Xinjiang, China; Xinjiang Clinical Research Center for Orthopedics, Urumqi 830011 Xinjiang, China
| | - Yanhua Gao
- Xinjiang Key Laboratory of Plant Resources and Natural Products Chemistry, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi 830011 Xinjiang, China
| | - Yong Zhang
- School of Life Science and Technology, Shanghai Jiao Tong University, Shanghai, China
| | - Zhiqiang Li
- Experimental Animal Center, Xinjiang Medical University, Urumqi 830011 Xinjiang, China
| | - Xi Wang
- Department of Trauma Orthopedics, The First Affiliated Hospital of Xinjiang Medical University,Urumqi 830011 Xinjiang, China; Key Laboratory of High Incidence Disease Research in Xinjiang (Xinjiang Medical University), Ministry of Education,Urumqi 830011 Xinjiang, China; Xinjiang Clinical Research Center for Orthopedics, Urumqi 830011 Xinjiang, China
| | - Li Yu
- Department of Integrated Cardiology, The First Affiliated Hospital of Xinjiang Medical University, Urumqi 830000, China
| | - Wubulikasimu Mijiti
- Department of Trauma Orthopedics, The First Affiliated Hospital of Xinjiang Medical University,Urumqi 830011 Xinjiang, China; Key Laboratory of High Incidence Disease Research in Xinjiang (Xinjiang Medical University), Ministry of Education,Urumqi 830011 Xinjiang, China; Xinjiang Clinical Research Center for Orthopedics, Urumqi 830011 Xinjiang, China
| | - Zengru Xie
- Department of Trauma Orthopedics, The First Affiliated Hospital of Xinjiang Medical University,Urumqi 830011 Xinjiang, China; Key Laboratory of High Incidence Disease Research in Xinjiang (Xinjiang Medical University), Ministry of Education,Urumqi 830011 Xinjiang, China; Xinjiang Clinical Research Center for Orthopedics, Urumqi 830011 Xinjiang, China.
| | - Hairong Ma
- Clinical Medicine Institute, State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asia, The First Affiliated Hospital of Xinjiang Medical University, Urumqi 830011 Xinjiang, China; Key Laboratory of High Incidence Disease Research in Xinjiang (Xinjiang Medical University), Ministry of Education,Urumqi 830011 Xinjiang, China; Xinjiang Clinical Research Center for Orthopedics, Urumqi 830011 Xinjiang, China.
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Rekabi A, Ram A, Nazari A, Arefnezhad R, Rezaei-Tazangi F. Does crocin create new hope for the treatment of oral problems? A focus on periodontitis. Mol Biol Rep 2024; 51:224. [PMID: 38281199 DOI: 10.1007/s11033-024-09209-x] [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: 09/16/2023] [Accepted: 01/03/2024] [Indexed: 01/30/2024]
Abstract
According to the World Health Organization (WHO) reports, oral health has an indispensable role in the maintenance of human public health. However, oral problems, especially periodontitis, are known as bad players in this issue. Periodontitis, as the most prevalent oral disease, is a type of chronic illness mediated by bacterial pathogens and immune system reactions, which is linked with the destruction of tooth-protecting tissues, such as alveolar bone and periodontal ligament. Periodontitis has a high prevalence (over 40% in the United States) and can be associated with other systemic ailments, for instance, arthritis, osteoporosis, metabolic syndrome, cancer, respiratory diseases, chronic kidney disease, and Alzheimer's disease. The common treatments for periodontitis are classified into invasive (surgical) and noninvasive (antibiotic therapy, scaling, and root planning) methods; however, these therapies have not reflected enough effectiveness for related patients. New documents inform the beneficial effects of plant-based compounds in healing various disorders, like periodontitis. In conjunction with this subject, it has been revealed that crocin, as an active component of saffron, regulates the balance between osteoclasts and osteoblasts and has a stroking role in the accumulation of the most common collagen in teeth and bone (type 1 collagen). Besides, this carotenoid compound possesses anti-inflammatory and anti-oxidative effects, which can be associated with the therapeutic processes of crocin in this oral disease. Hence, this narrative review study was performed to reflect the reparative/regenerative aspects of crocin agonist periodontitis.
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Affiliation(s)
- Atefe Rekabi
- Department of Orthodontics, School of Dentistry, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Arman Ram
- School of Dentistry, Mashhad University of Medical Science, Mashhad, Iran
| | - Ahmad Nazari
- School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Reza Arefnezhad
- Coenzyme R Research Institute, Tehran, Iran.
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran.
| | - Fatemeh Rezaei-Tazangi
- Department of Anatomy, School of Medicine, Fasa University of Medical Sciences, Fasa, Iran.
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150
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Yun SJ, Sang H, Park SY, Chin SO. Effect of Hyperprolactinemia on Bone Metabolism: Focusing on Osteopenia/Osteoporosis. Int J Mol Sci 2024; 25:1474. [PMID: 38338751 PMCID: PMC10855748 DOI: 10.3390/ijms25031474] [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: 12/20/2023] [Revised: 01/19/2024] [Accepted: 01/23/2024] [Indexed: 02/12/2024] Open
Abstract
Prolactin is a hormone secreted from lactotroph cells in the anterior pituitary gland to induce lactation after birth. Hyperprolactinemia unrelated to lactation is a common cause of amenorrhea in women of a childbearing age, and a consequent decrease in the gonadotropin-releasing hormone (GnRH) by a high prolactin level can result in decreased bone mineral density. Osteoporosis is a common skeletal disorder characterized by decreased bone mineral density (BMD) and quality, which results in decreased bone strength. In patients with hyperprolactinemia, changes in BMD can be induced indirectly by the inhibition of the GnRH-gonadal axis due to increased prolactin levels or by the direct action of prolactin on osteoblasts and, possibly, osteoclast cells. This review highlights the recent work on bone remodeling and discusses our knowledge of how prolactin modulates these interactions, with a brief literature review on the relationship between prolactin and bone metabolism and suggestions for new possibilities.
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Affiliation(s)
| | | | | | - Sang Ouk Chin
- Department of Endocrinology and Metabolism, Kyung Hee University College of Medicine, Kyung Hee University Hospital, Seoul 02447, Republic of Korea; (S.J.Y.); (H.S.); (S.Y.P.)
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