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Ma F, Zhang W, Zhou G, Qi Y, Mao HR, Chen J, Lu Z, Wu W, Zou X, Deng D, Lv S, Xiang N, Wang X. Epimedii Folium decoction ameliorates osteoporosis in mice through NLRP3/caspase-1/IL-1β signalling pathway and gut-bone axis. Int Immunopharmacol 2024; 137:112472. [PMID: 38897131 DOI: 10.1016/j.intimp.2024.112472] [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: 04/13/2024] [Revised: 06/03/2024] [Accepted: 06/10/2024] [Indexed: 06/21/2024]
Abstract
AIM OF THE STUDY This study aimed to determine the effect of Epimedium brevicornu Maxim. (EF) on osteoporosis (OP) and its underlying molecular mechanisms, and to explore the existence of the "Gut-Bone Axis". MATERIAL AND METHODS The impact of EF decoction (EFD) on OP was evaluated using istopathological examination and biochemical assays. Targeted metabolomics was employed to identify key molecules and explore their molecular mechanisms. Alterations in the gut microbiota (GM) were evaluated by 16S rRNA gene sequencing. The role of the GM was clarified using an antibiotic cocktail and faecal microbiota transplantation. RESULTS EFD significantly increased the weight (14.06%), femur length (4.34%), abdominal fat weight (61.14%), uterine weight (69.86%), and insulin-like growth factor 1 (IGF-1) levels (59.48%), while reducing serum type I collagen cross-linked carboxy-terminal peptide (CTX-I) levels (15.02%) in osteoporotic mice. The mechanism of action may involve the regulation of the NLRP3/cleaved caspase-1/IL-1β signalling pathway in improving intestinal tight junction proteins and bone metabolism. Additionally, EFD modulated the abundance of related GM communities, such as Lactobacillus, Coriobacteriaceae, bacteria of family S24-7, Clostridiales, and Prevotella, and increased propionate and butyrate levels. Antibiotic-induced dysbiosis of gut bacteria disrupted OP regulation of bone metabolism, which was restored by the recovery of GM. CONCLUSIONS Our study is the first to demonstrate that EFD works in an OP mouse model by utilising GM and butyric acid. Thus, EF shows promise as a potential remedy for OP in the future.
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Affiliation(s)
- Fuqiang Ma
- Hubei University of Chinese Medicine, 16 Huangjiahu West Road, Wuhan, Hubei 430065, PR China; The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, 24 Jinghua Road, Luoyang, Henan 471003, PR China
| | - Weiming Zhang
- Hubei University of Chinese Medicine, 16 Huangjiahu West Road, Wuhan, Hubei 430065, PR China; Department of Dermatology, Wuhan No.1 Hospital, 215 Zhongshan Avenue, Wuhan, Hubei 430022, PR China
| | - Guangwen Zhou
- Hubei University of Chinese Medicine, 16 Huangjiahu West Road, Wuhan, Hubei 430065, PR China
| | - Yu Qi
- Hubei University of Chinese Medicine, 16 Huangjiahu West Road, Wuhan, Hubei 430065, PR China
| | - He-Rong Mao
- Hubei University of Chinese Medicine, 16 Huangjiahu West Road, Wuhan, Hubei 430065, PR China
| | - Jie Chen
- Hubei University of Chinese Medicine, 16 Huangjiahu West Road, Wuhan, Hubei 430065, PR China
| | - Zhilin Lu
- Hubei University of Chinese Medicine, 16 Huangjiahu West Road, Wuhan, Hubei 430065, PR China
| | - Wenjing Wu
- The First Clinical Medical School, Hubei University of Chinese Medicine, 16 Huangjiahu West Road, Wuhan, Hubei 430061, PR China; Department of Nephrology, Affiliated Hospital of Hubei University of Chinese Medicine, Hubei Provincial Hospital of Traditional Chinese Medicine, 4 Huayuanshan Road, Wuhan, Hubei 430061, PR China; Hubei Key Laboratory of Theory and Application Research of Liver and Kidney in Traditional Chinese Medicine, Hubei Provincial Hospital of Traditional Chinese Medicine, 4 Huayuanshan Road, Wuhan, Hubei 430061, PR China
| | - Xinrong Zou
- The First Clinical Medical School, Hubei University of Chinese Medicine, 16 Huangjiahu West Road, Wuhan, Hubei 430061, PR China; Department of Nephrology, Affiliated Hospital of Hubei University of Chinese Medicine, Hubei Provincial Hospital of Traditional Chinese Medicine, 4 Huayuanshan Road, Wuhan, Hubei 430061, PR China; Hubei Key Laboratory of Theory and Application Research of Liver and Kidney in Traditional Chinese Medicine, Hubei Provincial Hospital of Traditional Chinese Medicine, 4 Huayuanshan Road, Wuhan, Hubei 430061, PR China
| | - Danfang Deng
- The First Clinical Medical School, Hubei University of Chinese Medicine, 16 Huangjiahu West Road, Wuhan, Hubei 430061, PR China; Department of Nephrology, Affiliated Hospital of Hubei University of Chinese Medicine, Hubei Provincial Hospital of Traditional Chinese Medicine, 4 Huayuanshan Road, Wuhan, Hubei 430061, PR China; Hubei Key Laboratory of Theory and Application Research of Liver and Kidney in Traditional Chinese Medicine, Hubei Provincial Hospital of Traditional Chinese Medicine, 4 Huayuanshan Road, Wuhan, Hubei 430061, PR China
| | - Shenhui Lv
- Hubei University of Chinese Medicine, 16 Huangjiahu West Road, Wuhan, Hubei 430065, PR China; Department of Nephrology, Affiliated Hospital of Hubei University of Chinese Medicine, Hubei Provincial Hospital of Traditional Chinese Medicine, 4 Huayuanshan Road, Wuhan, Hubei 430061, PR China.
| | - Nan Xiang
- The First Clinical Medical School, Hubei University of Chinese Medicine, 16 Huangjiahu West Road, Wuhan, Hubei 430061, PR China.
| | - Xiaoqin Wang
- The First Clinical Medical School, Hubei University of Chinese Medicine, 16 Huangjiahu West Road, Wuhan, Hubei 430061, PR China; Department of Nephrology, Affiliated Hospital of Hubei University of Chinese Medicine, Hubei Provincial Hospital of Traditional Chinese Medicine, 4 Huayuanshan Road, Wuhan, Hubei 430061, PR China; Hubei Key Laboratory of Theory and Application Research of Liver and Kidney in Traditional Chinese Medicine, Hubei Provincial Hospital of Traditional Chinese Medicine, 4 Huayuanshan Road, Wuhan, Hubei 430061, PR China.
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Liu F, Wang X, He Y, Han R, Wang T, Guo Y. Jaw osteoporosis: Challenges to oral health and emerging perspectives of treatment. Biomed Pharmacother 2024; 177:116995. [PMID: 38917761 DOI: 10.1016/j.biopha.2024.116995] [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: 04/19/2024] [Revised: 06/13/2024] [Accepted: 06/15/2024] [Indexed: 06/27/2024] Open
Abstract
Osteoporosis is a prevalent bone metabolic disease that poses a significant challenge to global human health. Jaw osteoporosis, characterized by microstructural damage of the jaw resulting from various factors, is one of the common manifestations of this condition. Recent studies have demonstrated that jaw osteoporosis has multifaceted effects on oral health and can negatively impact conditions such as periodontitis, oral implantation, orthodontic treatment, and wound healing. However, there are still some limitations in the conventional treatment of osteoporosis. For instance, while bisphosphonates can enhance bone quality, they may also lead to osteonecrosis of the jaw, which poses a potential safety hazard in oral diagnosis and treatment. In recent years, considerable attention has been focused on improving the pathological condition of jaw osteoporosis. Treatment strategies such as gut microbial regulation, extracellular vesicles, molecular targeted therapy, herbal medicine, mechanical stimulation are expected to enhance efficacy and minimize adverse reactions. Therefore, understanding these effects and exploring novel treatments for jaw osteoporosis may provide new insights for oral health maintenance and disease treatment. This article reviews the impact of jaw osteoporosis on oral health and describes the limitations associated with current methods. It also discusses emerging perspectives on treatment, offering a comprehensive overview of the challenges and future directions in managing jaw osteoporosis.
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Affiliation(s)
- Fushuang Liu
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Xuan Wang
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Yikai He
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Ruiying Han
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Tianyi Wang
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Yongwen Guo
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China.
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Hu X, Wang Z, Wang W, Cui P, Kong C, Chen X, Lu S. Irisin as an agent for protecting against osteoporosis: A review of the current mechanisms and pathways. J Adv Res 2024; 62:175-186. [PMID: 37669714 DOI: 10.1016/j.jare.2023.09.001] [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: 07/07/2023] [Revised: 08/24/2023] [Accepted: 09/01/2023] [Indexed: 09/07/2023] Open
Abstract
BACKGROUND Osteoporosis is recognized as a skeletal disorder characterized by diminished bone tissue quality and density. Regular physical exercise is widely acknowledged to preserve and enhance bone health, but the detailed molecular mechanisms involved remain unclear. Irisin, a factor derived from muscle during exercise, influences bone and muscle. Since its discovery in 2012, irisin has been found to promote bone growth and reduce bone resorption, establishing a tangible link between muscle exertion and bone health. Consequently, the mechanism by which irisin prevents osteoporosis have attracted significant scientific interest. AIM OF THE REVIEW This study aims to elucidate the multifaceted relationship between exercise, irisin, and bone health. Focusing on irisin, a muscle-derived factor released during exercise, we seek to understand its role in promoting bone growth and inhibiting resorption. Through a review of current research article on irisin in osteoporosis, Our review provides a deep dive into existing research on influence of irisin in osteoporosis, exploring its interaction with pivotal signaling pathways and its impact on various cell death mechanisms and inflammation. We aim to uncover the molecular underpinnings of how irisin, secreted during exercise, can serve as a therapeutic strategy for osteoporosis. KEY SCIENTIFIC CONCEPTS OF THE REVIEW Irisin, secreted during exercise, plays a vital role in bridging muscle function to bone health. It not only promotes bone growth but also inhibits bone resorption. Specifically, Irisin fosters osteoblast proliferation, differentiation, and mineralization predominantly through the ERK, p38, and AMPK signaling pathways. Concurrently, it regulates osteoclast differentiation and maturation via the JNK, Wnt/β-catenin and RANKL/RANK/OPG signaling pathways. This review further delves into the profound significance of irisin in osteoporosis and its involvement in diverse cellular death mechanisms, including apoptosis, autophagy, ferroptosis, and pyroptosis.
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Affiliation(s)
- Xinli Hu
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, No.45 Changchun Street, Xicheng District, Beijing 100053, China; National Clinical Research Center for Geriatric Diseases, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
| | - Zheng Wang
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, No.45 Changchun Street, Xicheng District, Beijing 100053, China; National Clinical Research Center for Geriatric Diseases, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
| | - Wei Wang
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, No.45 Changchun Street, Xicheng District, Beijing 100053, China; National Clinical Research Center for Geriatric Diseases, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
| | - Peng Cui
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, No.45 Changchun Street, Xicheng District, Beijing 100053, China; National Clinical Research Center for Geriatric Diseases, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
| | - Chao Kong
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, No.45 Changchun Street, Xicheng District, Beijing 100053, China; National Clinical Research Center for Geriatric Diseases, Xuanwu Hospital, Capital Medical University, Beijing 100053, China.
| | - Xiaolong Chen
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, No.45 Changchun Street, Xicheng District, Beijing 100053, China; National Clinical Research Center for Geriatric Diseases, Xuanwu Hospital, Capital Medical University, Beijing 100053, China.
| | - Shibao Lu
- Department of Orthopedics, Xuanwu Hospital, Capital Medical University, No.45 Changchun Street, Xicheng District, Beijing 100053, China; National Clinical Research Center for Geriatric Diseases, Xuanwu Hospital, Capital Medical University, Beijing 100053, China.
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Adolpho LF, Gomes MPO, Freitas GP, Bighetti-Trevisan RL, Ramos JIR, Campeoti GH, Zatta GC, Almeida ALG, Tarone AG, Marostica-Junior MR, Rosa AL, Beloti MM. Jaboticaba Peel Extract Attenuates Ovariectomy-Induced Bone Loss by Preserving Osteoblast Activity. BIOLOGY 2024; 13:526. [PMID: 39056719 PMCID: PMC11273516 DOI: 10.3390/biology13070526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2024] [Revised: 07/11/2024] [Accepted: 07/12/2024] [Indexed: 07/28/2024]
Abstract
Therapies to prevent osteoporosis are relevant since it is one of the most common non-communicable human diseases in the world and the most prevalent bone disorder in adults. Since jaboticaba peel extract (JPE) added to the culture medium enhanced the osteogenic potential of mesenchymal stem cells (MSCs) derived from osteoporotic rats, we hypothesized that JPE prevents the development of ovariectomy-induced osteoporosis. Ovariectomized rats were treated with either JPE (30 mg/kg of body weight) or its vehicle for 90 days, starting 7 days after the ovariectomy. Then, the femurs were subjected to microcomputed tomography and histological analyses, and the osteoblast and adipocyte differentiation of MSCs was evaluated. JPE attenuated ovariectomy-induced bone loss, as evidenced by higher bone volume/total volume and trabecular number, along with lower trabecular separation and bone marrow adiposity. These protective effects of JPE on bone tissue are due to its ability to prevent the imbalance between osteoblast and adipocyte differentiation of MSCs, since, compared with MSCs derived from ovariectomized rats treated with vehicle, MSCs treated with JPE exhibited higher gene and protein expression of osteogenic markers and extracellular matrix mineralization, as well as lower gene expression of adipogenic markers. These data highlight the potential therapeutic use of JPE to prevent osteoporosis.
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Affiliation(s)
- Letícia Faustino Adolpho
- Bone Research Lab, Ribeirão Preto School of Dentistry, University of São Paulo, Av do Café s/n, Ribeirão Preto 14040-904, SP, Brazil; (L.F.A.); (M.P.O.G.); (R.L.B.-T.); (J.I.R.R.); (G.H.C.); (G.C.Z.); (A.L.G.A.); (A.L.R.)
| | - Maria Paula Oliveira Gomes
- Bone Research Lab, Ribeirão Preto School of Dentistry, University of São Paulo, Av do Café s/n, Ribeirão Preto 14040-904, SP, Brazil; (L.F.A.); (M.P.O.G.); (R.L.B.-T.); (J.I.R.R.); (G.H.C.); (G.C.Z.); (A.L.G.A.); (A.L.R.)
| | - Gileade Pereira Freitas
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Federal University of Goiás, Avenida Universitária, s/n—Setor Leste Universitário, Goiânia 74605-020, GO, Brazil;
| | - Rayana Longo Bighetti-Trevisan
- Bone Research Lab, Ribeirão Preto School of Dentistry, University of São Paulo, Av do Café s/n, Ribeirão Preto 14040-904, SP, Brazil; (L.F.A.); (M.P.O.G.); (R.L.B.-T.); (J.I.R.R.); (G.H.C.); (G.C.Z.); (A.L.G.A.); (A.L.R.)
| | - Jaqueline Isadora Reis Ramos
- Bone Research Lab, Ribeirão Preto School of Dentistry, University of São Paulo, Av do Café s/n, Ribeirão Preto 14040-904, SP, Brazil; (L.F.A.); (M.P.O.G.); (R.L.B.-T.); (J.I.R.R.); (G.H.C.); (G.C.Z.); (A.L.G.A.); (A.L.R.)
| | - Gabriela Hernandes Campeoti
- Bone Research Lab, Ribeirão Preto School of Dentistry, University of São Paulo, Av do Café s/n, Ribeirão Preto 14040-904, SP, Brazil; (L.F.A.); (M.P.O.G.); (R.L.B.-T.); (J.I.R.R.); (G.H.C.); (G.C.Z.); (A.L.G.A.); (A.L.R.)
| | - Guilherme Crepi Zatta
- Bone Research Lab, Ribeirão Preto School of Dentistry, University of São Paulo, Av do Café s/n, Ribeirão Preto 14040-904, SP, Brazil; (L.F.A.); (M.P.O.G.); (R.L.B.-T.); (J.I.R.R.); (G.H.C.); (G.C.Z.); (A.L.G.A.); (A.L.R.)
| | - Adriana Luisa Gonçalves Almeida
- Bone Research Lab, Ribeirão Preto School of Dentistry, University of São Paulo, Av do Café s/n, Ribeirão Preto 14040-904, SP, Brazil; (L.F.A.); (M.P.O.G.); (R.L.B.-T.); (J.I.R.R.); (G.H.C.); (G.C.Z.); (A.L.G.A.); (A.L.R.)
| | - Adriana Gadioli Tarone
- School of Food Engineering, University of Campinas, Rua Monteiro Lobato 80, Campinas 13083-862, SP, Brazil; (A.G.T.); (M.R.M.-J.)
| | - Mario Roberto Marostica-Junior
- School of Food Engineering, University of Campinas, Rua Monteiro Lobato 80, Campinas 13083-862, SP, Brazil; (A.G.T.); (M.R.M.-J.)
| | - Adalberto Luiz Rosa
- Bone Research Lab, Ribeirão Preto School of Dentistry, University of São Paulo, Av do Café s/n, Ribeirão Preto 14040-904, SP, Brazil; (L.F.A.); (M.P.O.G.); (R.L.B.-T.); (J.I.R.R.); (G.H.C.); (G.C.Z.); (A.L.G.A.); (A.L.R.)
| | - Marcio Mateus Beloti
- Bone Research Lab, Ribeirão Preto School of Dentistry, University of São Paulo, Av do Café s/n, Ribeirão Preto 14040-904, SP, Brazil; (L.F.A.); (M.P.O.G.); (R.L.B.-T.); (J.I.R.R.); (G.H.C.); (G.C.Z.); (A.L.G.A.); (A.L.R.)
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Wu H, Sun Z, Guo Q, Li C. Mapping knowledge landscapes and research frontiers of gastrointestinal microbiota and bone metabolism: a text-mining study. Front Cell Infect Microbiol 2024; 14:1407180. [PMID: 39055979 PMCID: PMC11270605 DOI: 10.3389/fcimb.2024.1407180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Accepted: 06/12/2024] [Indexed: 07/28/2024] Open
Abstract
Introduction Extensive research efforts have been dedicated to elucidating the intricate pathways by which gastrointestinal microbiota and their metabolites exert influence on the processes of bone formation. Nonetheless, a notable gap exists in the literature concerning a bibliometric analysis of research trends at the nexus of gastrointestinal microbiota and bone metabolism. Methods To address this scholarly void, the present study employs a suite of bibliometric tools including online platforms, CiteSpace and VOSviewer to scrutinize the pertinent literature in the realm of gastrointestinal microbiota and bone metabolism. Results and discussion Examination of the temporal distribution of publications spanning from 2000 to 2023 reveals a discernible upward trajectory in research output, characterized by an average annual growth rate of 19.2%. Notably, China and the United States emerge as primary contributors. Predominant among contributing institutions are Emory University, Harvard University, and the University of California. Pacifici R from Emory University contributed the most research with 15 publications. In the realm of academic journals, Nutrients emerges as the foremost publisher, followed closely by Frontiers in Microbiology and PLOS One. And PLOS One attains the highest average citations of 32.48. Analysis of highly cited papers underscores a burgeoning interest in the therapeutic potential of probiotics or probiotic blends in modulating bone metabolism by augmenting host immune responses. Notably, significant research attention has coalesced around the therapeutic interventions of probiotics, particularly Lactobacillus reuteri, in osteoporosis, as well as the role of gastrointestinal microbiota in the etiology and progression of osteoarthritis. Keyword analysis reveals prevalent terms including gut microbiota, osteoporosis, bone density, probiotics, inflammation, SCFAs, metabolism, osteoarthritis, calcium absorption, obesity, double-blind, prebiotics, mechanisms, postmenopausal women, supplementation, risk factors, oxidative stress, and immune system. Future research endeavors warrant a nuanced exploration of topics such as inflammation, obesity, SCFAs, postmenopausal osteoporosis, skeletal muscle, oxidative stress, double-blind trials, and pathogenic mechanisms. In summary, this study presents a comprehensive bibliometric analysis of global research on the interplay between gastrointestinal microbiota and bone metabolism, offering valuable insights for scholars, particularly nascent researchers, embarking on analogous investigations within this domain.
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Affiliation(s)
- Haiyang Wu
- Department of Orthopaedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Department of Clinical College of Neurology, Neurosurgery and Neurorehabilitation, Tianjin Medical University, Tianjin, China
| | - Zaijie Sun
- Department of Orthopaedic Surgery, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, China
| | - Qiang Guo
- Department of Spine and Joint Surgery, Tianjin Baodi Hospital, Baodi Clinical College of Tianjin Medical University, Tianjin, China
| | - Cheng Li
- Department of Spine Surgery, Wangjing Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Center for Musculoskeletal Surgery (CMSC), Charité-Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt University of Berlin, Berlin Institute of Health, Berlin, Germany
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Fisher A, Fisher L, Srikusalanukul W. Prediction of Osteoporotic Hip Fracture Outcome: Comparative Accuracy of 27 Immune-Inflammatory-Metabolic Markers and Related Conceptual Issues. J Clin Med 2024; 13:3969. [PMID: 38999533 PMCID: PMC11242639 DOI: 10.3390/jcm13133969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2024] [Revised: 06/26/2024] [Accepted: 07/03/2024] [Indexed: 07/14/2024] Open
Abstract
Objectives: This study, based on the concept of immuno-inflammatory-metabolic (IIM) dysregulation, investigated and compared the prognostic impact of 27 indices at admission for prediction of postoperative myocardial injury (PMI) and/or hospital death in hip fracture (HF) patients. Methods: In consecutive HF patient (n = 1273, mean age 82.9 ± 8.7 years, 73.5% females) demographics, medical history, laboratory parameters, and outcomes were recorded prospectively. Multiple logistic regression and receiver-operating characteristic analyses (the area under the curve, AUC) were used to establish the predictive role for each biomarker. Results: Among 27 IIM biomarkers, 10 indices were significantly associated with development of PMI and 16 were indicative of a fatal outcome; in the subset of patients aged >80 years with ischaemic heart disease (IHD, the highest risk group: 90.2% of all deaths), the corresponding figures were 26 and 20. In the latter group, the five strongest preoperative predictors for PMI were anaemia (AUC 0.7879), monocyte/eosinophil ratio > 13.0 (AUC 0.7814), neutrophil/lymphocyte ratio > 7.5 (AUC 0.7784), eosinophil count < 1.1 × 109/L (AUC 0.7780), and neutrophil/albumin × 10 > 2.4 (AUC 0.7732); additionally, sensitivity was 83.1-75.4% and specificity was 82.1-75.0%. The highest predictors of in-hospital death were platelet/lymphocyte ratio > 280.0 (AUC 0.8390), lymphocyte/monocyte ratio < 1.1 (AUC 0.8375), albumin < 33 g/L (AUC 0.7889), red cell distribution width > 14.5% (AUC 0.7739), and anaemia (AUC 0.7604), sensitivity 88.2% and above, and specificity 85.1-79.3%. Internal validation confirmed the predictive value of the models. Conclusions: Comparison of 27 IIM indices in HF patients identified several simple, widely available, and inexpensive parameters highly predictive for PMI and/or in-hospital death. The applicability of IIM biomarkers to diagnose and predict risks for chronic diseases, including OP/OF, in the preclinical stages is discussed.
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Affiliation(s)
- Alexander Fisher
- Department of Geriatric Medicine, The Canberra Hospital, ACT Health, Canberra 2605, Australia
- Department of Orthopaedic Surgery, The Canberra Hospital, ACT Health, Canberra 2605, Australia
- Medical School, Australian National University, Canberra 2601, Australia
| | - Leon Fisher
- Frankston Hospital, Peninsula Health, Melbourne 3199, Australia
| | - Wichat Srikusalanukul
- Department of Geriatric Medicine, The Canberra Hospital, ACT Health, Canberra 2605, Australia
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Meyer C, Brockmueller A, Ruiz de Porras V, Shakibaei M. Microbiota and Resveratrol: How Are They Linked to Osteoporosis? Cells 2024; 13:1145. [PMID: 38994996 PMCID: PMC11240679 DOI: 10.3390/cells13131145] [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: 05/28/2024] [Revised: 06/18/2024] [Accepted: 06/30/2024] [Indexed: 07/13/2024] Open
Abstract
Osteoporosis (OP), which is characterized by a decrease in bone density and increased susceptibility to fractures, is closely linked to the gut microbiota (GM). It is increasingly realized that the GM plays a key role in the maintenance of the functioning of multiple organs, including bone, by producing bioactive metabolites such as short-chain fatty acids (SCFA). Consequently, imbalances in the GM, referred to as dysbiosis, have been identified with a significant reduction in beneficial metabolites, such as decreased SCFA associated with increased chronic inflammatory processes, including the activation of NF-κB at the epigenetic level, which is recognized as the main cause of many chronic diseases, including OP. Furthermore, regular or long-term medications such as antibiotics and many non-antibiotics such as proton pump inhibitors, chemotherapy, and NSAIDs, have been found to contribute to the development of dysbiosis, highlighting an urgent need for new treatment approaches. A promising preventive and adjuvant approach is to combat dysbiosis with natural polyphenols such as resveratrol, which have prebiotic functions and ensure an optimal microenvironment for beneficial GM. Resveratrol offers a range of benefits, including anti-inflammatory, anti-oxidant, analgesic, and prebiotic effects. In particular, the GM has been shown to convert resveratrol, into highly metabolically active molecules with even more potent beneficial properties, supporting a synergistic polyphenol-GM axis. This review addresses the question of how the GM can enhance the effects of resveratrol and how resveratrol, as an epigenetic modulator, can promote the growth and diversity of beneficial GM, thus providing important insights for the prevention and co-treatment of OP.
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Affiliation(s)
- Christine Meyer
- Chair of Vegetative Anatomy, Institute of Anatomy, Faculty of Medicine, Ludwig-Maximilians-University Munich, Pettenkoferstr. 11, D-80336 Munich, Germany
| | - Aranka Brockmueller
- Chair of Vegetative Anatomy, Institute of Anatomy, Faculty of Medicine, Ludwig-Maximilians-University Munich, Pettenkoferstr. 11, D-80336 Munich, Germany
| | - Vicenç Ruiz de Porras
- CARE Program, Germans Trias i Pujol Research Institute (IGTP), Camí de les Escoles, s/n, Badalona, 08916 Barcelona, Spain
- Badalona Applied Research Group in Oncology (B⋅ARGO), Catalan Institute of Oncology, Camí de les Escoles, s/n, Badalona, 08916 Barcelona, Spain
- GRET and Toxicology Unit, Department of Pharmacology, Toxicology and Therapeutic Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, 08028 Barcelona, Spain
| | - Mehdi Shakibaei
- Chair of Vegetative Anatomy, Institute of Anatomy, Faculty of Medicine, Ludwig-Maximilians-University Munich, Pettenkoferstr. 11, D-80336 Munich, Germany
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Zheng B, Li M, Zhang T, Li B, Li Q, Saiding Q, Chen W, Guo M, Koo S, Ji X, Tao W. Functional modification of gut bacteria for disease diagnosis and treatment. MED 2024:S2666-6340(24)00249-6. [PMID: 38964334 DOI: 10.1016/j.medj.2024.06.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 11/15/2023] [Accepted: 06/12/2024] [Indexed: 07/06/2024]
Abstract
Intestinal bacteria help keep humans healthy by regulating lipid and glucose metabolism as well as the immunological and neurological systems. Oral treatment using intestinal bacteria is limited by the high acidity of stomach fluids and the immune system's attack on foreign bacteria. Scientists have created coatings and workarounds to overcome these limitations and improve bacterial therapy. These preparations have demonstrated promising outcomes, with advances in synthetic biology and optogenetics improving their focused colonization and controlled release. Engineering bacteria preparations have become a revolutionary therapeutic approach that converts intestinal bacteria into cellular factories for medicinal chemical synthesis. The present paper discusses various aspects of engineering bacteria preparations, including wrapping materials, biomedical uses, and future developments.
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Affiliation(s)
- Bin Zheng
- Academy of Medical Engineering and Translational Medicine, Tianjin University, Tianjin 300072, China
| | - Mengyi Li
- Academy of Medical Engineering and Translational Medicine, Tianjin University, Tianjin 300072, China
| | - Tiange Zhang
- Academy of Medical Engineering and Translational Medicine, Tianjin University, Tianjin 300072, China
| | - Bowen Li
- Academy of Medical Engineering and Translational Medicine, Tianjin University, Tianjin 300072, China
| | - Qiuya Li
- Academy of Medical Engineering and Translational Medicine, Tianjin University, Tianjin 300072, China
| | - Qimanguli Saiding
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Wei Chen
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Mingming Guo
- Academy of Medical Engineering and Translational Medicine, Tianjin University, Tianjin 300072, China
| | - Seyoung Koo
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA; Department of Chemical and Molecular Engineering, Hanyang University ERICA, Ansan, Gyeonggi-do 15588, Republic of Korea.
| | - Xiaoyuan Ji
- Academy of Medical Engineering and Translational Medicine, Tianjin University, Tianjin 300072, China.
| | - Wei Tao
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA.
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9
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Lee CC, Chuang CC, Chen CH, Huang YP, Chang CY, Tung PY, Lee MJ. In vitro and in vivo studies on exogenous polyamines and α-difluoromethylornithine to enhance bone formation and suppress osteoclast differentiation. Amino Acids 2024; 56:43. [PMID: 38935136 PMCID: PMC11211182 DOI: 10.1007/s00726-024-03403-8] [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: 03/15/2024] [Accepted: 06/19/2024] [Indexed: 06/28/2024]
Abstract
Exogenous polyamines, including putrescine (PUT), spermidine (SPD), and spermine (SPM), and the irreversible inhibitor of the rate-limiting enzyme ornithine decarboxylase (ODC) of polyamine biosynthesis, α-difluoromethylornithine (DFMO), are implicated as stimulants for bone formation. We demonstrate in this study the osteogenic potential of exogenous polyamines and DFMO in human osteoblasts (hOBs), murine monocyte cell line RAW 264.7, and an ovariectomized rat model. The effect of polyamines and DFMO on hOBs and RAW 264.7 cells was studied by analyzing gene expression, alkaline phosphatase (ALP) activity, tartrate-resistant acid phosphatase (TRAP) activity, and matrix mineralization. Ovariectomized rats were treated with polyamines and DFMO and analyzed by micro computed tomography (micro CT). The mRNA level of the early onset genes of osteogenic differentiation, Runt-related transcription factor 2 (Runx2) and ALP, was significantly elevated in hOBs under osteogenic conditions, while both ALP activity and matrix mineralization were enhanced by exogenous polyamines and DFMO. Under osteoclastogenic conditions, the gene expression of both receptor activator of nuclear factor-κB (RANK) and nuclear factor of activated T-cells, cytoplasmic 1 (NFATc1) was reduced, and TRAP activity was suppressed by exogenous polyamines and DFMO in RAW 264.7 cells. In an osteoporotic animal model of ovariectomized rats, SPM and DFMO were found to improve bone volume in rat femurs, while trabecular thickness was increased in all treatment groups. Results from this study provide in vitro and in vivo evidence indicating that polyamines and DFMO act as stimulants for bone formation, and their osteogenic effect may be associated with the suppression of osteoclastogenesis.
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Affiliation(s)
- Chien-Ching Lee
- Department of Anesthesia, An Nan Hospital, China Medical University, Tainan, 70965, Taiwan
- Department of Medical Science Industries, Chang Jung Christian University, No.1, Changda Rd., Gueiren District, Tainan, 711301, Taiwan
| | - Chia-Chun Chuang
- Department of Anesthesia, An Nan Hospital, China Medical University, Tainan, 70965, Taiwan
- Department of Medical Science Industries, Chang Jung Christian University, No.1, Changda Rd., Gueiren District, Tainan, 711301, Taiwan
| | - Chung-Hwan Chen
- Department of Orthopedics, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung, 80145, Taiwan
- Department of Orthopedics, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, 80756, Taiwan
- Orthopaedic Research Center, Kaohsiung Medical University, Kaohsiung, 80756, Taiwan
- Department of Orthopedics, College of Medicine, Kaohsiung Medical University, Kaohsiung, 80756, Taiwan
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung, 80756, Taiwan
| | - Yuan-Pin Huang
- Department of Cosmetics and Fashion Styling, Cheng Shiu University, Kaohsiung, 83347, Taiwan
| | - Chiao-Yi Chang
- Department of Bioscience Technology, Chang Jung Christian University, Tainan, 711301, Taiwan
| | - Pei-Yi Tung
- Department of Bioscience Technology, Chang Jung Christian University, Tainan, 711301, Taiwan
| | - Mon-Juan Lee
- Department of Medical Science Industries, Chang Jung Christian University, No.1, Changda Rd., Gueiren District, Tainan, 711301, Taiwan.
- Department of Bioscience Technology, Chang Jung Christian University, Tainan, 711301, Taiwan.
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10
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Feng Y, Lu J, Jiang J, Wang M, Guo K, Lin S. Berberine: Potential preventive and therapeutic strategies for human colorectal cancer. Cell Biochem Funct 2024; 42:e4033. [PMID: 38742849 DOI: 10.1002/cbf.4033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 03/28/2024] [Accepted: 04/28/2024] [Indexed: 05/16/2024]
Abstract
Colorectal cancer (CRC) is a common digestive tract tumor, with incidences continuing to rise. Although modern medicine has extended the survival time of CRC patients, its adverse effects and the financial burden cannot be ignored. CRC is a multi-step process and can be caused by the disturbance of gut microbiome and chronic inflammation's stimulation. Additionally, the presence of precancerous lesions is also a risk factor for CRC. Consequently, scientists are increasingly interested in identifying multi-target, safe, and economical herbal medicine and natural products. This paper summarizes berberine's (BBR) regulatory mechanisms in the occurrence and development of CRC. The findings indicate that BBR regulates gut microbiome homeostasis and controls mucosal inflammation to prevent CRC. In the CRC stage, BBR inhibits cell proliferation, invasion, and metastasis, blocks the cell cycle, induces cell apoptosis, regulates cell metabolism, inhibits angiogenesis, and enhances chemosensitivity. BBR plays a role in the overall management of CRC. Therefore, using BBR as an adjunct to CRC prevention and treatment could become a future trend in oncology.
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Affiliation(s)
- Yuqian Feng
- Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Jiamin Lu
- Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Jing Jiang
- Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Menglei Wang
- Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Kaibo Guo
- Department of Oncology, Hangzhou First People's Hospital, Hangzhou, Zhejiang, China
| | - Shengyou Lin
- Department of Oncology, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, Zhejiang, China
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11
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Ali M, Kim YS. A comprehensive review and advanced biomolecule-based therapies for osteoporosis. J Adv Res 2024:S2090-1232(24)00215-7. [PMID: 38810908 DOI: 10.1016/j.jare.2024.05.024] [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: 03/26/2024] [Revised: 05/22/2024] [Accepted: 05/23/2024] [Indexed: 05/31/2024] Open
Abstract
BACKGROUND The prevalence of osteoporosis (OP) on a global scale is significantly elevated that causes life threatening issues. The potential of groundbreaking biomolecular therapeutics in the field of OP is highly encouraging. The administration of biomolecular agents has the potential to mitigate the process of bone demineralization while concurrently augmenting the regenerative capacity of bone tissue, thereby facilitating a personalized therapeutic approach. Biomolecules-based therapies showed promising results in term of bone mass protection and restoration in OP. AIM OF REVIEW We summarized the recent biomolecular therapies with notable progress in clinical, demonstrating the potential to transform illness management. These treatments frequently utilize different biomolecule based strategies. Biomolecular therapeutics has a targeted character, which results in heightened specificity and less off-target effects, ultimately leading to increased patient outcomes. These aspects have the capacity to greatly enhance the management of OP, thus resulting in a major enhancement in the quality of life encountered by individuals affected by this condition.
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Affiliation(s)
- Maqsood Ali
- Department of Microbiology, College of Medicine, Soonchunhyang University, Cheonan, Chungnam 31151, Republic of Korea
| | - Yong-Sik Kim
- Department of Microbiology, College of Medicine, Soonchunhyang University, Cheonan, Chungnam 31151, Republic of Korea; Institute of Tissue Regeneration, College of Medicine, Soonchunhyang University, Cheonan, Chungnam 31151, Republic of Korea.
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12
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Luo ZQ, Huang YJ, Chen ZH, Lu CY, Zhou B, Gong XH, Shen Z, Wang T. A decade of insight: bibliometric analysis of gut microbiota's role in osteoporosis (2014-2024). Front Med (Lausanne) 2024; 11:1409534. [PMID: 38841589 PMCID: PMC11150527 DOI: 10.3389/fmed.2024.1409534] [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: 03/30/2024] [Accepted: 04/30/2024] [Indexed: 06/07/2024] Open
Abstract
Purpose Osteoporosis represents a profound challenge to public health, underscoring the critical need to dissect its complex etiology and identify viable targets for intervention. Within this context, the gut microbiota has emerged as a focal point of research due to its profound influence on bone metabolism. Despite this growing interest, the literature has yet to see a bibliometric study addressing the gut microbiota's contribution to both the development and management of osteoporosis. This study aims to fill this gap through an exhaustive bibliometric analysis. Our objective is to uncover current research hotspots, delineate key themes, and identify future research trends. In doing so, we hope to provide direction for future studies and the development of innovative treatment methods. Methods Relevant publications in this field were retrieved from the Web of Science Core Collection database. We used VOSviewer, CiteSpace, an online analysis platform and the R package "Bibliometrix" for bibliometric analysis. Results A total of 529 publications (including 351 articles and 178 reviews) from 61 countries, 881 institutions, were included in this study. China leads in publication volume and boast the highest cumulative citation. Shanghai Jiao Tong University and Southern Medical University are the leading research institutions in this field. Nutrients contributed the largest number of articles, and J Bone Miner Res is the most co-cited journal. Of the 3,166 scholars who participated in the study, Ohlsson C had the largest number of articles. Li YJ is the most co-cited author. "Probiotics" and "inflammation" are the keywords in the research. Conclusion This is the first bibliometric analysis of gut microbiota in osteoporosis. We explored current research status in recent years and identified frontiers and hot spots in this research field. We investigate the impact of gut microbiome dysregulation and its associated inflammation on OP progression, a topic that has garnered international research interest in recent years. Additionally, our study delves into the potential of fecal microbiota transplantation or specific dietary interventions as promising avenues for future research, which can provide reference for the researchers who focus on this research filed.
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Affiliation(s)
- Zhi Qiang Luo
- Department of Graduate School, Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Ya Jing Huang
- Department of Rheumatology, Kunming Municipal Hospital of Traditional Chinese Medicine, The Third Affiliated Hospital of Yunnan University of Chinese Medicine, Kunming, China
| | - Ze Hua Chen
- Department of Orthopedics, The Orthopedics Hospital of Traditional Chinese Medicine, Zhuzhou, Hunan, China
| | - Chen Yin Lu
- Department of Graduate School, Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Biao Zhou
- Department of Orthopedics, The First People’s Hospital of Xiangtan City, Xiangtan, Hunan, China
| | - Xiang Hao Gong
- Department of Oncology, Hengyang Central Hospital, Hengyang, Hunan, China
| | - Zhen Shen
- Department of Rehabilitation, Kunming Municipal Hospital of Traditional Chinese Medicine, The Third Affiliated Hospital of Yunnan University of Chinese Medicine, Kunming, China
| | - Tao Wang
- Department of Orthopedics, Kunming Municipal Hospital of Traditional Chinese Medicine, The Third Affiliated Hospital of Yunnan University of Chinese Medicine, Kunming, China
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Parvaneh M, Jamaluddin R, Ebrahimi M, Karimi G, Sabran MR. Assessing the effects of probiotic supplementation, single strain versus mixed strains, on femoral mineral density and osteoblastic gene mRNA expression in rats. J Bone Miner Metab 2024; 42:290-301. [PMID: 38796648 DOI: 10.1007/s00774-024-01512-8] [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: 10/10/2023] [Accepted: 04/08/2024] [Indexed: 05/28/2024]
Abstract
INTRODUCTION Osteoporosis is a significant health concern characterized by weak and porous bones, particularly affecting menopausal women aged 50 and above, leading to increased risk of hip fractures and associated morbidity and mortality. MATERIALS AND METHODS We conducted a study to assess the efficacy of single-strain versus mixed-strain probiotic supplementation on bone health using an ovariectomy (OVX) rat model of induced bone loss. The probiotics evaluated were Lactobacillus helveticus (L. helveticus), Bifidobacterium longum (B. longum), and a combination of both. Rats were divided into five groups: SHAM (Control negative), OVX (Control positive), OVX +L. helveticus, OVX + B. longum, and OVX + mixed L. helveticus and B. longum. Daily oral administration of probiotics at 10^8-10^9 CFU/mL began two weeks post-surgery and continued for 16 weeks. RESULTS Both single-strain and mixed-strain probiotic supplementation upregulated expression of osteoblastic genes (BMP- 2, RUNX-2, OSX), increased serum osteocalcin (OC) levels, and improved bone formation parameters. Serum C-terminal telopeptide (CTX) levels and bone resorption parameters were reduced. However, the single-strain supplementation demonstrated superior efficacy compared to the mixed-strain approach. CONCLUSION Supplementation with B. longum and L. helveticus significantly reduces bone resorption and improves bone health in OVX rats, with single-strain supplementation showing greater efficacy compared to a mixed-strain combination. These findings highlight the potential of probiotics as a therapeutic intervention for osteoporosis, warranting further investigation in human studies.
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Affiliation(s)
- Maria Parvaneh
- Department of Nutrition, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43300, Serdang, Malaysia
- Charles Perkins Centre, Faculty of Medicine and Health Sciences, The University of Sydney, Sydney, NSW, Australia
| | - Rosita Jamaluddin
- Department of Dietetics, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43300, Serdang, Malaysia
| | - Mahdi Ebrahimi
- Department of Veterinary Pre-Clinical Sciences, Faculty of Veterinary Medicine, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
| | - Golgis Karimi
- Department of Nutrition, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43300, Serdang, Malaysia
- NewGen, Administrative Service, Los Angeles, CA, USA
| | - Mohd Redzwan Sabran
- Department of Nutrition, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43300, Serdang, Malaysia.
- Laboratory of Food Safety and Food Integrity, Institute of Tropical Agriculture and Food Security (ITAFoS), Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia.
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14
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Huang KC, Chuang PY, Yang TY, Tsai YH, Li YY, Chang SF. Diabetic Rats Induced Using a High-Fat Diet and Low-Dose Streptozotocin Treatment Exhibit Gut Microbiota Dysbiosis and Osteoporotic Bone Pathologies. Nutrients 2024; 16:1220. [PMID: 38674910 PMCID: PMC11054352 DOI: 10.3390/nu16081220] [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: 03/04/2024] [Revised: 04/11/2024] [Accepted: 04/16/2024] [Indexed: 04/28/2024] Open
Abstract
Type 2 diabetes mellitus (T2DM) presents a challenge for individuals today, affecting their health and life quality. Besides its known complications, T2DM has been found to contribute to bone/mineral abnormalities, thereby increasing the vulnerability to bone fragility/fractures. However, there is still a need for appropriate diagnostic approaches and targeted medications to address T2DM-associated bone diseases. This study aims to investigate the relationship between changes in gut microbiota, T2DM, and osteoporosis. To explore this, a T2DM rat model was induced by combining a high-fat diet and low-dose streptozotocin treatment. Our findings reveal that T2DM rats have lower bone mass and reduced levels of bone turnover markers compared to control rats. We also observe significant alterations in gut microbiota in T2DM rats, characterized by a higher relative abundance of Firmicutes (F) and Proteobacteria (P), but a lower relative abundance of Bacteroidetes (B) at the phylum level. Further analysis indicates a correlation between the F/B ratio and bone turnover levels, as well as between the B/P ratio and HbA1c levels. Additionally, at the genus level, we observe an inverse correlation in the relative abundance of Lachnospiraceae. These findings show promise for the development of new strategies to diagnose and treat T2DM-associated bone diseases.
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Affiliation(s)
- Kuo-Chin Huang
- School of Medicine, Chang Gung University College of Medicine, Taoyuan City 33302, Taiwan; (K.-C.H.); (P.-Y.C.); (T.-Y.Y.); (Y.-H.T.); (Y.-Y.L.)
- Department of Orthopaedic Surgery, Chiayi Chang Gung Memorial Hospital, Chiayi City 61363, Taiwan
| | - Po-Yao Chuang
- School of Medicine, Chang Gung University College of Medicine, Taoyuan City 33302, Taiwan; (K.-C.H.); (P.-Y.C.); (T.-Y.Y.); (Y.-H.T.); (Y.-Y.L.)
- Department of Orthopaedic Surgery, Chiayi Chang Gung Memorial Hospital, Chiayi City 61363, Taiwan
| | - Tien-Yu Yang
- School of Medicine, Chang Gung University College of Medicine, Taoyuan City 33302, Taiwan; (K.-C.H.); (P.-Y.C.); (T.-Y.Y.); (Y.-H.T.); (Y.-Y.L.)
- Department of Orthopaedic Surgery, Chiayi Chang Gung Memorial Hospital, Chiayi City 61363, Taiwan
| | - Yao-Hung Tsai
- School of Medicine, Chang Gung University College of Medicine, Taoyuan City 33302, Taiwan; (K.-C.H.); (P.-Y.C.); (T.-Y.Y.); (Y.-H.T.); (Y.-Y.L.)
- Department of Orthopaedic Surgery, Chiayi Chang Gung Memorial Hospital, Chiayi City 61363, Taiwan
| | - Yen-Yao Li
- School of Medicine, Chang Gung University College of Medicine, Taoyuan City 33302, Taiwan; (K.-C.H.); (P.-Y.C.); (T.-Y.Y.); (Y.-H.T.); (Y.-Y.L.)
- Department of Orthopaedic Surgery, Chiayi Chang Gung Memorial Hospital, Chiayi City 61363, Taiwan
| | - Shun-Fu Chang
- Department of Medical Research and Development, Chiayi Chang Gung Memorial Hospital, Chiayi City 61363, Taiwan
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15
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Li J, Liu C, Xu Y, Ling C, Tang Z, Kiram A, Hu Z, Zhu Z, Qiu Y, Liu Z. Gut Microbiota Alterations in Adolescent Idiopathic Scoliosis Are Associated with Aberrant Bone Homeostasis. Orthop Surg 2024; 16:965-975. [PMID: 38389213 PMCID: PMC10984819 DOI: 10.1111/os.14019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/26/2023] [Revised: 11/24/2023] [Accepted: 01/26/2024] [Indexed: 02/24/2024] Open
Abstract
OBJECTIVE Low bone mineral density is the major prognostic factor for adolescent idiopathic scoliosis (AIS), but the underlying mechanisms remain unclear. Accumulating evidence suggests that gut microbiota (GM) have the potential to affect bone development, and the GM signatures are altered in AIS patients. However, the effect of GM alterations on aberrant bone homeostasis in AIS remains unclear. This study aims to investigate the GM profile in AIS patients with different bone mineral density (BMD) and explore the association between GM, osteopenia, and aberrant bone turnover. METHODS A total of 126 patients with AIS who received surgical treatment were retrospectively included in this study. We analyzed the composition of the GM by 16S rRNA sequencing and BMD by dual X-ray absorptiometry. Based on the BMD of the femur neck, the patients were divided into the osteopenia group (OPN) if the Z score < -1, and the normal (NOR) group if the Z score ≥ -1 SD compared to the healthy control. For the 16S rRNA sequencing, the raw reads were filtered to remove low-quality reads, and operational taxonomic units were identified with the Uparse program. Weighted UniFrac distance matrix for the beta-diversity metrics and principal coordinate analysis (PCoA) was performed, and the statistical comparisons were made with permutational multivariate analysis of variance (PERMANOVA) and analysis of similarity (ANONISM). Linear discriminant analysis effect size (LEfSe) was used to identify the enriched species in two groups. The "Random forest" was applied to determine the optimal biomarker for OPN according to the mean decrease in Gini value. The metabolic function was predicted by the Tax4Fun analysis. The Pearson correlation coefficient was used to evaluate the associations between GM species, bone turnover markers, and BMD. RESULTS The serum β-CTX was increased in the OPN group (n = 67) compared to the NOR group (n = 59). Patients in OPN groups showed significantly decreased α diversity indicated by the Shannon index. Principal coordinate analysis (PCoA) analysis showed significant clustering of GM between OPN and NOR groups. At genus level, the Escherichia-Shigella and Faecalibacterium were significantly enriched in the OPN group compared to that in the NOR group (p < 0.05), whereas the abundance of Prevotella was significantly decreased (p = 0.0012). The relative abundance of Megamonas and Prevotella was positively correlated with the femur BMD. The abundance of Escherichia-Shigella was negatively correlated with femur BMD and positively correlated with serum β-CTX levels. Functional analysis revealed significant differences in starch and sucrose metabolism, pyruvate and cysteine, and methionine metabolism between NOR and OPN groups. CONCLUSION The alterations of GM in AIS patients are correlated with osteopenia. The association between enriched species, BMD, and bone turnover markers provides novel diagnostic and therapeutic targets for the clinical management of AIS.
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Affiliation(s)
- Jie Li
- Division of Spine Surgery, Department of Orthopedic SurgeryNanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical SchoolNanjingChina
| | - Changwei Liu
- Division of Spine Surgery, Department of Orthopedic SurgeryNanjing Drum Tower Hospital, Clinical College of Nanjing Medical UniversityNanjingChina
| | - Yanjie Xu
- Division of Spine Surgery, Department of Orthopedic SurgeryNanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical SchoolNanjingChina
| | - Chen Ling
- Division of Spine Surgery, Department of Orthopedic SurgeryNanjing Drum Tower Hospital, Clinical College of Nanjing Medical UniversityNanjingChina
| | - Ziyang Tang
- Division of Spine Surgery, Department of Orthopedic SurgeryNanjing Drum Tower Hospital, Clinical College of Nanjing Medical UniversityNanjingChina
| | - Abdukahar Kiram
- Division of Spine Surgery, Department of Orthopedic SurgeryNanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical SchoolNanjingChina
| | - Zongshan Hu
- Division of Spine Surgery, Department of Orthopedic SurgeryNanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical SchoolNanjingChina
| | - Zezhang Zhu
- Division of Spine Surgery, Department of Orthopedic SurgeryNanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical SchoolNanjingChina
- Division of Spine Surgery, Department of Orthopedic SurgeryNanjing Drum Tower Hospital, Clinical College of Nanjing Medical UniversityNanjingChina
| | - Yong Qiu
- Division of Spine Surgery, Department of Orthopedic SurgeryNanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical SchoolNanjingChina
- Division of Spine Surgery, Department of Orthopedic SurgeryNanjing Drum Tower Hospital, Clinical College of Nanjing Medical UniversityNanjingChina
| | - Zhen Liu
- Division of Spine Surgery, Department of Orthopedic SurgeryNanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical SchoolNanjingChina
- Division of Spine Surgery, Department of Orthopedic SurgeryNanjing Drum Tower Hospital, Clinical College of Nanjing Medical UniversityNanjingChina
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16
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Seal A, Hughes M, Wei F, Pugazhendhi AS, Ngo C, Ruiz J, Schwartzman JD, Coathup MJ. Sphingolipid-Induced Bone Regulation and Its Emerging Role in Dysfunction Due to Disease and Infection. Int J Mol Sci 2024; 25:3024. [PMID: 38474268 DOI: 10.3390/ijms25053024] [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: 02/09/2024] [Revised: 03/02/2024] [Accepted: 03/04/2024] [Indexed: 03/14/2024] Open
Abstract
The human skeleton is a metabolically active system that is constantly regenerating via the tightly regulated and highly coordinated processes of bone resorption and formation. Emerging evidence reveals fascinating new insights into the role of sphingolipids, including sphingomyelin, sphingosine, ceramide, and sphingosine-1-phosphate, in bone homeostasis. Sphingolipids are a major class of highly bioactive lipids able to activate distinct protein targets including, lipases, phosphatases, and kinases, thereby conferring distinct cellular functions beyond energy metabolism. Lipids are known to contribute to the progression of chronic inflammation, and notably, an increase in bone marrow adiposity parallel to elevated bone loss is observed in most pathological bone conditions, including aging, rheumatoid arthritis, osteoarthritis, and osteomyelitis. Of the numerous classes of lipids that form, sphingolipids are considered among the most deleterious. This review highlights the important primary role of sphingolipids in bone homeostasis and how dysregulation of these bioactive metabolites appears central to many chronic bone-related diseases. Further, their contribution to the invasion, virulence, and colonization of both viral and bacterial host cell infections is also discussed. Many unmet clinical needs remain, and data to date suggest the future use of sphingolipid-targeted therapy to regulate bone dysfunction due to a variety of diseases or infection are highly promising. However, deciphering the biochemical and molecular mechanisms of this diverse and extremely complex sphingolipidome, both in terms of bone health and disease, is considered the next frontier in the field.
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Affiliation(s)
- Anouska Seal
- Biionix Cluster, University of Central Florida, Orlando, FL 32827, USA
| | - Megan Hughes
- School of Biosciences, Cardiff University, Cardiff CF10 3AT, UK
| | - Fei Wei
- Biionix Cluster, University of Central Florida, Orlando, FL 32827, USA
- College of Medicine, University of Central Florida, Orlando, FL 32827, USA
| | - Abinaya S Pugazhendhi
- Biionix Cluster, University of Central Florida, Orlando, FL 32827, USA
- College of Medicine, University of Central Florida, Orlando, FL 32827, USA
| | - Christopher Ngo
- Biionix Cluster, University of Central Florida, Orlando, FL 32827, USA
- College of Medicine, University of Central Florida, Orlando, FL 32827, USA
| | - Jonathan Ruiz
- College of Medicine, University of Central Florida, Orlando, FL 32827, USA
| | | | - Melanie J Coathup
- Biionix Cluster, University of Central Florida, Orlando, FL 32827, USA
- College of Medicine, University of Central Florida, Orlando, FL 32827, USA
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Zhang YW, Song PR, Wang SC, Liu H, Shi ZM, Su JC. Diets intervene osteoporosis via gut-bone axis. Gut Microbes 2024; 16:2295432. [PMID: 38174650 PMCID: PMC10773645 DOI: 10.1080/19490976.2023.2295432] [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: 10/24/2023] [Accepted: 12/12/2023] [Indexed: 01/05/2024] Open
Abstract
Osteoporosis is a systemic skeletal disease that seriously endangers the health of middle-aged and older adults. Recently, with the continuous deepening of research, an increasing number of studies have revealed gut microbiota as a potential target for osteoporosis, and the research concept of the gut-bone axis has gradually emerged. Additionally, the intake of dietary nutrients and the adoption of dietary patterns may affect the gut microbiota, and alterations in the gut microbiota might also influence the metabolic status of the host, thus adjusting bone metabolism. Based on the gut-bone axis, dietary intake can also participate in the modulation of bone metabolism by altering abundance, diversity, and composition of gut microbiota. Herein, combined with emerging literatures and relevant studies, this review is aimed to summarize the impacts of different dietary components and patterns on osteoporosis by acting on gut microbiota, as well as underlying mechanisms and proper dietary recommendations.
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Affiliation(s)
- Yuan-Wei Zhang
- Department of Orthopaedics, Xinhua Hospital Affiliated to Shanghai JiaoTong University School of Medicine, Shanghai, China
- Institute of Translational Medicine, Shanghai University, Shanghai, China
- Organoid Research Center, Shanghai University, Shanghai, China
- National Center for Translational Medicine (Shanghai) SHU Branch, Shanghai University, Shanghai, China
| | - Pei-Ran Song
- Institute of Translational Medicine, Shanghai University, Shanghai, China
- Organoid Research Center, Shanghai University, Shanghai, China
- National Center for Translational Medicine (Shanghai) SHU Branch, Shanghai University, Shanghai, China
| | - Si-Cheng Wang
- Institute of Translational Medicine, Shanghai University, Shanghai, China
- Organoid Research Center, Shanghai University, Shanghai, China
- National Center for Translational Medicine (Shanghai) SHU Branch, Shanghai University, Shanghai, China
| | - Han Liu
- Institute of Translational Medicine, Shanghai University, Shanghai, China
- Organoid Research Center, Shanghai University, Shanghai, China
- National Center for Translational Medicine (Shanghai) SHU Branch, Shanghai University, Shanghai, China
| | - Zhong-Min Shi
- Department of Orthopaedics, Sixth People’s Hospital Affiliated to Shanghai JiaoTong University School of Medicine, Shanghai, China
| | - Jia-Can Su
- Department of Orthopaedics, Xinhua Hospital Affiliated to Shanghai JiaoTong University School of Medicine, Shanghai, China
- Institute of Translational Medicine, Shanghai University, Shanghai, China
- Organoid Research Center, Shanghai University, Shanghai, China
- National Center for Translational Medicine (Shanghai) SHU Branch, Shanghai University, Shanghai, China
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18
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Ding M, Li B, Chen H, Liang D, Ross RP, Stanton C, Zhao J, Chen W, Yang B. Human breastmilk-derived Bifidobacterium longum subsp. infantis CCFM1269 regulates bone formation by the GH/IGF axis through PI3K/AKT pathway. Gut Microbes 2024; 16:2290344. [PMID: 38116652 PMCID: PMC10761167 DOI: 10.1080/19490976.2023.2290344] [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: 08/14/2023] [Accepted: 11/27/2023] [Indexed: 12/21/2023] Open
Abstract
Bifidobacterium longum subsp. infantis is a prevalent member of the gut microbiota of breastfed infants. In this study, the effects of human breastmilk-derived B.longum subsp. infantis CCFM1269 on bone formation in developing BALB/c mice were investigated. Newborn female and male mice were assigned to control group (administered saline), CCFM11269 group (administered B. longum subsp. infantis CCFM1269, 1 × 109 CFU/mouse/day) and I5TI group (administered B. longum subsp. infantis I5TI, 1 × 109 CFU/mouse/day) from 1-week-old to 3-, 4- and 5-week old. B. longum subsp. infantis I5TI served as a negative control in this study. The results demonstrated that B. longum subsp. infantis CCFM1269 promoted bone formation in growing mice by modulating the composition of the gut microbiota and metabolites. The expression of genes and proteins in the PI3K/AKT pathway was stimulated by B. longum subsp. infantis CCFM1269 through the GH/IGF-1 axis in growing mice. This finding suggests B. longum subsp. infantis CCFM1269 may be useful for modulating bone metabolism during growth.
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Affiliation(s)
- Mengfan Ding
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu, China
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
| | - Bowen Li
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu, China
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
| | - Haiqin Chen
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu, China
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
| | - Dong Liang
- Department of Applied Nutrition I, China National Center for Food Safety Risk Assessment, Beijing, China
| | - R. Paul Ross
- International Joint Research Center for Probiotics & Gut Health, Jiangnan University, Wuxi, Jiangsu, China
- APC Microbiome Ireland, University College Cork, Cork, Ireland
| | - Catherine Stanton
- International Joint Research Center for Probiotics & Gut Health, Jiangnan University, Wuxi, Jiangsu, China
- APC Microbiome Ireland, University College Cork, Cork, Ireland
- Food Biosciences, Teagasc Food Research Centre, Fermoy, Cork, Ireland
| | - Jianxin Zhao
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu, China
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, Jiangsu, China
| | - Wei Chen
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu, China
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, Jiangsu, China
| | - Bo Yang
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu, China
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
- International Joint Research Center for Probiotics & Gut Health, Jiangnan University, Wuxi, Jiangsu, China
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19
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Ruggiero C, Baroni M, Xenos D, Parretti L, Macchione IG, Bubba V, Laudisio A, Pedone C, Ferracci M, Magierski R, Boccardi V, Antonelli-Incalzi R, Mecocci P. Dementia, osteoporosis and fragility fractures: Intricate epidemiological relationships, plausible biological connections, and twisted clinical practices. Ageing Res Rev 2024; 93:102130. [PMID: 38030092 DOI: 10.1016/j.arr.2023.102130] [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: 09/20/2023] [Revised: 11/06/2023] [Accepted: 11/14/2023] [Indexed: 12/01/2023]
Abstract
Dementia, osteoporosis, and fragility fractures are chronic diseases, often co-existing in older adults. These conditions pose severe morbidity, long-term disability, and mortality, with relevant socioeconomic implications. While in the research arena, the discussion remains on whether dementia is the cause or the consequence of fragility fractures, healthcare professionals need a better understanding of the interplay between such conditions from epidemiological and physiological standpoints. With this review, we summarized the available literature surrounding the relationship between cognitive impairment, dementia, and both low bone mineral density (BMD) and fragility fractures. Given the strength of the bi-directional associations and their impact on the quality of life, we shed light on the biological connections between brain and bone systems, presenting the main mediators, including gut microbioma, and pathological pathways leading to the dysregulation of bone and brain metabolism. Ultimately, we synthesized the evidence about the impact of available pharmacological treatments for the prevention of fragility fractures on cognitive functions and individuals' outcomes when dementia coexists. Vice versa, the effects of symptomatic treatments for dementia on the risk of falls and fragility fractures are explored. Combining evidence alongside clinical practice, we discuss challenges and opportunities related to the management of older adults affected by cognitive impairment or dementia and at high risk for fragility fracture prevention, which leads to not only an improvement in patient health-related outcomes and survival but also a reduction in healthcare cost and socio-economic burden.
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Affiliation(s)
- C Ruggiero
- Department of Medicine, Section of Gerontology and Geriatrics, University of Perugia, Italy.
| | - M Baroni
- Department of Medicine, Section of Gerontology and Geriatrics, University of Perugia, Italy
| | - D Xenos
- Department of Medicine, Section of Gerontology and Geriatrics, University of Perugia, Italy
| | - L Parretti
- Department of Medicine, Section of Gerontology and Geriatrics, University of Perugia, Italy
| | - I G Macchione
- Department of Medicine, Section of Gerontology and Geriatrics, University of Perugia, Italy
| | - V Bubba
- Department of Medicine, Section of Gerontology and Geriatrics, University of Perugia, Italy
| | - A Laudisio
- Department of Medicine, Unit of Geriatrics, Campus Bio-Medico di Roma University, Rome, Italy
| | - C Pedone
- Department of Medicine, Unit of Geriatrics, Campus Bio-Medico di Roma University, Rome, Italy
| | - M Ferracci
- Department of Medicine, Section of Gerontology and Geriatrics, University of Perugia, Italy
| | - R Magierski
- Department of Old Age Psychiatry and Psychotic Disorders, Medical University of Lodz, Lodz, Poland
| | - V Boccardi
- Department of Medicine, Section of Gerontology and Geriatrics, University of Perugia, Italy
| | - R Antonelli-Incalzi
- Department of Medicine, Unit of Geriatrics, Campus Bio-Medico di Roma University, Rome, Italy
| | - P Mecocci
- Department of Medicine, Section of Gerontology and Geriatrics, University of Perugia, Italy
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20
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Torres HM, Arnold KM, Oviedo M, Westendorf JJ, Weaver SR. Inflammatory Processes Affecting Bone Health and Repair. Curr Osteoporos Rep 2023; 21:842-853. [PMID: 37759135 PMCID: PMC10842967 DOI: 10.1007/s11914-023-00824-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/05/2023] [Indexed: 09/29/2023]
Abstract
PURPOSE OF REVIEW The purpose of this article is to review the current understanding of inflammatory processes on bone, including direct impacts of inflammatory factors on bone cells, the effect of senescence on inflamed bone, and the critical role of inflammation in bone pain and healing. RECENT FINDINGS Advances in osteoimmunology have provided new perspectives on inflammatory bone loss in recent years. Characterization of so-called inflammatory osteoclasts has revealed insights into physiological and pathological bone loss. The identification of inflammation-associated senescent markers in bone cells indicates that therapies that reduce senescent cell burden may reverse bone loss caused by inflammatory processes. Finally, novel studies have refined the role of inflammation in bone healing, including cross talk between nerves and bone cells. Except for the initial stages of fracture healing, inflammation has predominately negative effects on bone and increases fracture risk. Eliminating senescent cells, priming the osteo-immune axis in bone cells, and alleviating pro-inflammatory cytokine burden may ameliorate the negative effects of inflammation on bone.
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Affiliation(s)
- Haydee M Torres
- Department of Orthopedic Surgery, Mayo Clinic, 200 1st St SW, Rochester, MN, 55905, USA
| | - Katherine M Arnold
- Department of Orthopedic Surgery, Mayo Clinic, 200 1st St SW, Rochester, MN, 55905, USA
- Biomedical Engineering and Physiology Track/Regenerative Sciences Program, Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic, Rochester, MN, 55905, USA
| | - Manuela Oviedo
- Department of Orthopedic Surgery, Mayo Clinic, 200 1st St SW, Rochester, MN, 55905, USA
| | - Jennifer J Westendorf
- Department of Orthopedic Surgery, Mayo Clinic, 200 1st St SW, Rochester, MN, 55905, USA
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, 55905, USA
| | - Samantha R Weaver
- Department of Orthopedic Surgery, Mayo Clinic, 200 1st St SW, Rochester, MN, 55905, USA.
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21
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Xiao X, Wang J, Zhu Y, Deng B, Liu Y, Wang S, Hou T, Song T. Phytosterols Protect against Osteoporosis by Regulating Gut Microbiota. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:14539-14549. [PMID: 37756430 DOI: 10.1021/acs.jafc.3c01489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/29/2023]
Abstract
Osteoporosis is increasingly prevalent worldwide, representing a major health burden. However, there is a lack of nutritional strategies for osteoporotic therapy. Phytosterols, as natural bioactive compounds, have the potential to alleviate osteoporosis. In this study, a glucocorticoid-induced osteoporosis mouse model and treatment with low and high concentrations of phytosterols for 4 weeks were established. The results demonstrated that compared to the control group, low-concentration phytosterols (LP) (0.3 mg/mL) increased bone mass, improved trabecular microstructure, reduced serum levels of cross-linked C-telopeptide of type I collagen (CTX-1), and elevated serum levels of 1,25-dihydroxyvitamin D3 (1,25-(OH)2D3). Conversely, high-concentration phytosterols (0.5 mg/mL) showed no effect. Additionally, we validated the effect of LP in ameliorating osteoporosis using an ovariectomized (OVX)-induced osteoporosis mouse model. Mechanistically, phytosterols altered the microbial composition to counteract glucocorticoid-induced gut microbiota disorder and improve the length and morphology of the small intestine. Particularly, based on selection strategy and correlation analysis, phytosterols increased the relative abundance of Ruminococcus and decreased the relative abundance of Bilophila, which were significantly associated with glucocorticoid-induced osteoporosis indications. Overall, these findings suggest that phytosterols regulate gut microbiota to increase bone mass, thereby exerting an antiosteoporotic effect.
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Affiliation(s)
- Xiangyu Xiao
- College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
- Frontiers Science Center for Animal Breeding and Sustainable Production, Wuhan 430070, China
| | - Jiaojiao Wang
- College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Yucheng Zhu
- College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Bohua Deng
- College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Yucheng Liu
- College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Shaoshuai Wang
- College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Tao Hou
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Tongxing Song
- College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
- Frontiers Science Center for Animal Breeding and Sustainable Production, Wuhan 430070, China
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