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Dimai HP, Muschitz C, Amrein K, Bauer R, Cejka D, Gasser RW, Gruber R, Haschka J, Hasenöhrl T, Kainberger F, Kerschan-Schindl K, Kocijan R, König J, Kroißenbrunner N, Kuchler U, Oberforcher C, Ott J, Pfeiler G, Pietschmann P, Puchwein P, Schmidt-Ilsinger A, Zwick RH, Fahrleitner-Pammer A. [Osteoporosis-Definition, risk assessment, diagnosis, prevention and treatment (update 2024) : Guidelines of the Austrian Society for Bone and Mineral Research]. Wien Klin Wochenschr 2024; 136:599-668. [PMID: 39356323 PMCID: PMC11447007 DOI: 10.1007/s00508-024-02441-2] [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] [Accepted: 08/23/2024] [Indexed: 10/03/2024]
Abstract
BACKGROUND Austria is among the countries with the highest incidence and prevalence of osteoporotic fractures worldwide. Guidelines for the prevention and management of osteoporosis were first published in 2010 under the auspices of the then Federation of Austrian Social Security Institutions and updated in 2017. The present comprehensively updated guidelines of the Austrian Society for Bone and Mineral Research are aimed at physicians of all specialties as well as decision makers and institutions in the Austrian healthcare system. The aim of these guidelines is to strengthen and improve the quality of medical care of patients with osteoporosis and osteoporotic fractures in Austria. METHODS These evidence-based recommendations were compiled taking randomized controlled trials, systematic reviews and meta-analyses as well as European and international reference guidelines published before 1 June 2023 into consideration. The grading of recommendations used ("conditional" and "strong") are based on the strength of the evidence. The evidence levels used mutual conversions of SIGN (1++ to 3) to NOGG criteria (Ia to IV). RESULTS The guidelines include all aspects associated with osteoporosis and osteoporotic fractures, such as secondary causes, prevention, diagnosis, estimation of the 10-year fracture risk using FRAX®, determination of Austria-specific FRAX®-based intervention thresholds, drug-based and non-drug-based treatment options and treatment monitoring. Recommendations for the office-based setting and decision makers and institutions in the Austrian healthcare system consider structured care models and options for osteoporosis-specific screening. CONCLUSION The guidelines present comprehensive, evidence-based information and instructions for the treatment of osteoporosis. It is expected that the quality of medical care for patients with this clinical picture will be substantially improved at all levels of the Austrian healthcare system.
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Affiliation(s)
- Hans Peter Dimai
- Klinische Abteilung für Endokrinologie und Diabetologie, Universitätsklinik für Innere Medizin, Medizinische Universität Graz, Graz, Österreich
| | - Christian Muschitz
- healthPi Medical Center, Medizinische Universität Wien, Wollzeile 1-3, 1010, Wien, Österreich.
- Medizinische Universität Wien, Währinger Gürtel 18-20, 1090, Wien, Österreich.
| | - Karin Amrein
- Klinische Abteilung für Endokrinologie und Diabetologie, Universitätsklinik für Innere Medizin, Medizinische Universität Graz, Graz, Österreich
| | | | - Daniel Cejka
- Interne 3 - Nieren- und Hochdruckerkrankungen, Transplantationsmedizin, Rheumatologie, Ordensklinikum Linz Elisabethinen, Linz, Österreich
| | - Rudolf Wolfgang Gasser
- Universitätsklinik für Innere Medizin, Medizinische Universität Innsbruck, Innsbruck, Österreich
| | - Reinhard Gruber
- Universitätszahnklinik, Medizinische Universität Wien, Wien, Österreich
| | - Judith Haschka
- Hanusch Krankenhaus Wien, 1. Medizinische Abteilung, Ludwig Boltzmann Institut für Osteologie, Wien, Österreich
- Rheuma-Zentrum Wien-Oberlaa, Wien, Österreich
| | - Timothy Hasenöhrl
- Universitätsklinik für Physikalische Medizin, Rehabilitation und Arbeitsmedizin, Medizinische Universität Wien, Wien, Österreich
| | - Franz Kainberger
- Klinische Abteilung für Biomedizinische Bildgebung und Bildgeführte Therapie, Universitätsklinik für Radiologie und Nuklearmedizin, Medizinische Universität Wien, Wien, Österreich
| | - Katharina Kerschan-Schindl
- Universitätsklinik für Physikalische Medizin, Rehabilitation und Arbeitsmedizin, Medizinische Universität Wien, Wien, Österreich
| | - Roland Kocijan
- Hanusch Krankenhaus Wien, 1. Medizinische Abteilung, Ludwig Boltzmann Institut für Osteologie, Wien, Österreich
| | - Jürgen König
- Department für Ernährungswissenschaften, Universität Wien, Wien, Österreich
| | | | - Ulrike Kuchler
- Universitätszahnklinik, Medizinische Universität Wien, Wien, Österreich
| | | | - Johannes Ott
- Klinische Abteilung für gynäkologische Endokrinologie und Reproduktionsmedizin, Universitätsklinik für Frauenheilkunde, Medizinische Universität Wien, Wien, Österreich
| | - Georg Pfeiler
- Klinische Abteilung für Gynäkologie und Gynäkologische Onkologie, Universitätsklinik für Frauenheilkunde, Medizinische Universität Wien, Wien, Österreich
| | - Peter Pietschmann
- Institut für Pathophysiologie und Allergieforschung, Zentrum für Pathophysiologie, Infektiologie und Immunologie (CEPII), Medizinische Universität Wien, Wien, Österreich
| | - Paul Puchwein
- Universitätsklinik für Orthopädie und Traumatologie, Medizinische Universität Graz, Graz, Österreich
| | | | - Ralf Harun Zwick
- Ludwig Boltzmann Institut für Rehabilitation Research, Therme Wien Med, Wien, Österreich
| | - Astrid Fahrleitner-Pammer
- Privatordination Prof. Dr. Astrid Fahrleitner-Pammer
- Klinische Abteilung für Endokrinologie und Diabetes, Universitätsklinik für Innere Medizin, Medizinische Universität Graz, Graz, Österreich
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Peng X, Zhang Z, Zhang Y, Zhou H, Li W, Dai M, Shang J, Xu J, Gu Q. Discovery of Novel Neo-Clerodane Derivatives as Potent Dual-Functional Antiosteoporosis Agents through Targeting Peroxisome Proliferator-Activated Receptor-γ. J Med Chem 2024; 67:15738-15755. [PMID: 39185622 DOI: 10.1021/acs.jmedchem.4c01377] [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: 08/27/2024]
Abstract
A library of 31 natural neo-clerodanes isolated from Ajuga decumbens was assayed for antiosteoporosis. This results in 18 neo-clerodane osteoclastogenesis inhibitors, and compound 3 prevents bone loss in vivo. Further mechanistic studies demonstrated that these compounds inhibit osteoporosis by antagonizing peroxisome proliferator-activated receptor-γ (PPARγ). We designed and synthesized 17 compounds by chemically modifying the natural neo-clerodane 19 (highly potent and the major composition of A. decumbens extract) by means of structure-based drug design techniques. Among these neo-clerodane derivatives, compound 34 is the most potent osteoporosis inhibitor with a 46-fold improvement in inhibiting osteoclastogenesis (IC50 = 0.042 vs 1.92 μM), 11-fold increased activity in PPARγ antagonism (EC50 = 0.75 vs 8.35 μM), 66-fold enhancement in receptor affinity (KD = 0.27 vs 17.7 μM), and enhanced osteogenic promotion compared to 19. This underscores the potential of neo-clerodane diterpenoids as promising leads for osteoporosis treatment by targeting PPARγ.
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Affiliation(s)
- Xing Peng
- Research Center for Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, People's Republic of China
| | - Zhikang Zhang
- Research Center for Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, People's Republic of China
| | - Yuting Zhang
- Research Center for Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, People's Republic of China
| | - Huihao Zhou
- Research Center for Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, People's Republic of China
| | - Wenqi Li
- School of Basic Medical Sciences, Guangzhou Laboratory, Guangzhou Medical University, Guangzhou 511436, People's Republic of China
| | - Minxian Dai
- School of Basic Medical Sciences, Guangzhou Laboratory, Guangzhou Medical University, Guangzhou 511436, People's Republic of China
| | - Jinsai Shang
- School of Basic Medical Sciences, Guangzhou Laboratory, Guangzhou Medical University, Guangzhou 511436, People's Republic of China
| | - Jun Xu
- Research Center for Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, People's Republic of China
| | - Qiong Gu
- Research Center for Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, People's Republic of China
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3
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Aslan E, Onem E, Mert A, Baksi BG. Comparison of quantitative radiomorphometric predictors of healthy and MRONJ-affected bone using panoramic radiography and cone-beam CT. Dentomaxillofac Radiol 2024; 53:407-416. [PMID: 38810135 PMCID: PMC11358619 DOI: 10.1093/dmfr/twae024] [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: 02/02/2024] [Revised: 04/25/2024] [Accepted: 05/22/2024] [Indexed: 05/31/2024] Open
Abstract
OBJECTIVES To determine the most distinctive quantitative radiomorphometric parameter(s) for the detection of MRONJ-affected bone changes in panoramic radiography (PR) and cone-beam CT (CBCT). METHODS PR and sagittal CBCT slices of 24 MRONJ patients and 22 healthy controls were used for the measurements of mandibular cortical thickness (MCT), fractal dimension (FD), lacunarity, mean gray value (MGV), bone area fraction (BA/TA), trabecular thickness (Tb.Th), trabecular separation (Tb.Sp), trabecular number (Tb.N). MCT was measured in the mental foramen region. While FD and lacunarity were measured on mandibular trabecular and cortical regions-of-interest (ROIs), the remaining parameters were measured on trabecular ROIs. The independent samples t-test was used to compare the measurements between the MRONJ and control groups for both imaging modalities (P = .05). RESULTS MCT was the only parameter that differentiated MRONJ-affected bone in both PR and CBCT (P < .05). None of the remaining parameters revealed any difference for MRONJ-affected bone in CBCT (P > .05). FD, lacunarity, MGV, BA/TA, and Tb.Sp could distinguish MRONJ-affected trabecular bone in PR (P < .05). The correspondent ROI for both imaging methods that was reliable for detecting MRONJ-affected bone was the trabecular bone distal to the mental foramen above the inferior alveolar canal (ROI-3). CONCLUSIONS MCT is a reliable parameter for the discrimination of MRONJ-affected bone in both PR and CBCT images. PR may be used to detect MRONJ-affected trabecular bone using FD, lacunarity, MGV, BA/TA, and Tb.Sp measurements as well.
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Affiliation(s)
- Elif Aslan
- Department of Oral and Maxillofacial Radiology, Ege University School of Dentistry, Izmir, 35040, Turkey
| | - Erinc Onem
- Department of Oral and Maxillofacial Radiology, Ege University School of Dentistry, Izmir, 35040, Turkey
| | - Ali Mert
- Department of Statistics, Ege University School of Science, Izmir, 35040, Turkey
| | - B Guniz Baksi
- Department of Oral and Maxillofacial Radiology, Ege University School of Dentistry, Izmir, 35040, Turkey
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Diab DL, Watts NB. The use of denosumab in osteoporosis - an update on efficacy and drug safety. Expert Opin Drug Saf 2024; 23:1069-1077. [PMID: 39262109 DOI: 10.1080/14740338.2024.2386365] [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: 01/12/2024] [Accepted: 07/03/2024] [Indexed: 09/13/2024]
Abstract
INTRODUCTION Denosumab (Prolia) is a fully human monoclonal antibody against the receptor activator of the nuclear factor kappaB ligand. It is a potent antiresorptive agent that reduces osteoclastogenesis. AREAS COVERED Denosumab has been shown to improve bone mineral density and reduce the incidence of new fractures in postmenopausal women and men. It is also used in the treatment of glucocorticoid-induced osteoporosis, as well as for the prevention of bone loss and reduction of fracture risk in men receiving androgen deprivation therapy for non-metastatic prostate cancer and women receiving adjuvant aromatase inhibitor therapy for breast cancer. Initial safety concerns included infections, cancer, skin reactions, cardiovascular disease, hypocalcemia, osteonecrosis of the jaw, and atypical femur fractures; however, further study and experience provide reassurance on these issues. Anecdotal reports have raised concerns about an increased risk of multiple vertebral fractures following discontinuation of denosumab. EXPERT OPINION Although bisphosphonates are often selected as initial therapy for osteoporosis, denosumab may be an appropriate initial therapy in patients at high risk for fracture, including older patients who have difficulty with the dosing requirements of oral bisphosphonates, as well as patients who are intolerant of, unresponsive to, or have contraindications to other therapies. Additional data is needed to address questions regarding treatment duration and discontinuation.
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Affiliation(s)
- Dima L Diab
- College of Medicine, Cincinnati VA Medical Center, Division of Endocrinology, Diabetes and Metabolism, University of Cincinnati, Cincinnati, OH, USA
| | - Nelson B Watts
- Mercy Health Osteoporosis and Bone Health Services, Cincinnati, OH, USA
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Lee DO, Hong YH, Cho MK, Choi YS, Chun S, Chung YJ, Hong SH, Hwang KR, Kim J, Kim H, Lee DY, Lee SR, Park HT, Seo SK, Shin JH, Song JY, Yi KW, Paik H, Lee JY. The 2024 Guidelines for Osteoporosis - Korean Society of Menopause: Part II. J Menopausal Med 2024; 30:55-77. [PMID: 39315499 PMCID: PMC11439573 DOI: 10.6118/jmm.300001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2024] [Accepted: 08/26/2024] [Indexed: 09/25/2024] Open
Affiliation(s)
- Dong Ock Lee
- Center for Gynecologic Cancer, National Cancer Center, Goyang, Korea
| | - Yeon Hee Hong
- Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul, Korea
| | - Moon Kyoung Cho
- Department of Obstetrics and Gynecology, Chonnam National University Medical School, Gwangju, Korea
| | - Young Sik Choi
- Department of Obstetrics and Gynecology, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Sungwook Chun
- Department of Obstetrics and Gynecology, Inje University Haeundae Paik Hospital, Busan, Korea
| | - Youn-Jee Chung
- Department of Obstetrics and Gynecology, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Seung Hwa Hong
- Department of Obstetrics and Gynecology, Chungbuk National University Hospital, Cheongju, Korea
| | - Kyu Ri Hwang
- Department of Obstetrics and Gynecology, Seoul Metropolitan Government-Seoul National University Boramae Medical Center, Seoul, Korea
| | - Jinju Kim
- Department of Obstetrics and Gynecology, Healthcare System Gangnam Center, Seoul National University Hospital, Seoul, Korea
| | - Hoon Kim
- Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul, Korea
| | - Dong-Yun Lee
- Department of Obstetrics and Gynecology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Sa Ra Lee
- Department of Obstetrics and Gynecology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Hyun-Tae Park
- Department of Obstetrics and Gynecology, Korea University College of Medicine, Seoul, Korea
| | - Seok Kyo Seo
- Department of Obstetrics and Gynecology, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Jung-Ho Shin
- Department of Obstetrics and Gynecology, Korea University College of Medicine, Seoul, Korea
| | - Jae Yen Song
- Department of Obstetrics and Gynecology, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Kyong Wook Yi
- Department of Obstetrics and Gynecology, Korea University College of Medicine, Seoul, Korea
| | - Haerin Paik
- Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul, Korea
| | - Ji Young Lee
- Department of Obstetrics and Gynecology, Konkuk University School of Medicine, Seoul, Korea.
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Hanna R, Miron IC, Dalvi S, Arany P, Bensadoun RJ, Benedicenti S. A Systematic Review of Laser Photobiomodulation Dosimetry and Treatment Protocols in the Management of Medications-Related Osteonecrosis of the Jaws: A Rationalised Consensus for Future Randomised Controlled Clinical Trials. Pharmaceuticals (Basel) 2024; 17:1011. [PMID: 39204116 PMCID: PMC11357434 DOI: 10.3390/ph17081011] [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: 06/20/2024] [Revised: 07/19/2024] [Accepted: 07/23/2024] [Indexed: 09/03/2024] Open
Abstract
Medication-related osteonecrosis of the jaw (MRONJ) is a debilitating adverse effect of bisphosphates, antiresorptive therapy or antiangiogenic agents that can potentially increase oxidative stress, leading to progressive osteonecrosis of the jaws. Despite the large number of published systematic reviews, there is a lack of potential MRONJ treatment protocols utilising photobiomodulation (PBM) as a single or adjunct therapy for preventive or therapeutic oncology or non-oncology cohort. Hence, this systematic review aimed to evaluate PBM laser efficacy and its dosimetry as a monotherapy or combined with the standard treatments for preventive or therapeutic approach in MRONJ management. The objectives of the review were as follows: (1) to establish PBM dosimetry and treatment protocols for preventive, therapeutic or combined approaches in MRONJ management; (2) to highlight and bridge the literature gaps in MRONJ diagnostics and management; and (3) to suggest rationalised consensus recommendations for future randomised controlled trials (RCTs) through the available evidence-based literature. This review was conducted according to the PRISMA guidelines, and the protocol was registered at PROSPERO under the ID CRD42021238175. A multi-database search was performed to identify articles of clinical studies published from their earliest records until 15 December 2023. The data were extracted from the relevant papers and analysed according to the outcomes selected in this review. In total, 12 out of 126 studies met the eligibility criteria. The striking inconsistent conclusions made by the various authors of the included studies were due to the heterogeneity in the methodology, diagnostic criteria and assessment tools, as well as in the reported outcomes, made it impossible to conduct a meta-analysis. PBM as a single or adjunct treatment modality is effective for MRONJ preventive or therapeutic management, but it was inconclusive to establish a standardised and replicable protocol due to the high risk of bias in a majority of the studies, but it was possible to extrapolate the PBM dosimetry of two studies that were close to the WALT recommended parameters. In conclusion, the authors established suggested rationalised consensus recommendations for future well-designed robust RCTs, utilising PBM as a monotherapy or an adjunct in preventive or therapeutic approach of MRONJ in an oncology and non-oncology cohort. This would pave the path for standardised PBM dosimetry and treatment protocols in MRONJ management.
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Affiliation(s)
- Reem Hanna
- Department of Restorative Dental Sciences, UCL-Eastman Dental Institute, Medical Faculty, University College London, London WC1E 6DE, UK
- Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, 16132 Genoa, Italy; (I.C.M.); (S.D.); (S.B.)
| | - Ioana Cristina Miron
- Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, 16132 Genoa, Italy; (I.C.M.); (S.D.); (S.B.)
| | - Snehal Dalvi
- Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, 16132 Genoa, Italy; (I.C.M.); (S.D.); (S.B.)
- Department of Periodontology, Swargiya Dadasaheb Kalmegh Smruti Dental College and Hospital, Nagpur 440001, India
| | - Praveen Arany
- Department of Oral Biology ad Biomedical Engineering, University of Buffalo, Buffalo, NY 14215, USA;
| | | | - Stefano Benedicenti
- Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, 16132 Genoa, Italy; (I.C.M.); (S.D.); (S.B.)
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Wang Y, Yu W, E Y, Rui L, Jia C, Zhu W. Qianggu Decoction Alleviated Osteoporosis by Promoting Osteogenesis of BMSCs through Mettl3-Mediated m 6A Methylation. Adv Biol (Weinh) 2024:e2400341. [PMID: 39051421 DOI: 10.1002/adbi.202400341] [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: 06/17/2024] [Indexed: 07/27/2024]
Abstract
Osteoporosis development is linked to abnormal bone marrow mesenchymal stem cells (BMSCs) differentiation. N6-methyladenosine (m6A), a prevalent mRNA modification, is known to influence BMSCs' osteogenic capacity. Qianggu decoction (QGD), a traditional Chinese medicine for osteoporosis, has unknown effects on BMSCs differentiation. This study investigates QGD's impact on BMSCs and its potential to ameliorate osteoporosis through m6A regulation. Using Sprague-Dawley (SD) rats with ovariectomy-induced osteoporosis, it is evaluated QGD's antiosteoporotic effects through micro-CT, histology, Western blotting, and osteoblastogenesis markers. QGD is found to enhance bone tissue growth and upregulate osteogenic markers Runx2, OPN, and OCN. It also promoted BMSCs osteogenic differentiation, as shown by increased calcium nodules and ALP activity. QGD treatment significantly increased m6A RNA levels and Mettl3 expression in BMSCs. Silencing Mettl3 with siRNA negated QGD's osteogenic effects. Collectively, QGD may improve BMSCs differentiation and mitigate osteoporosis, potentially through Mettl3-mediated m6A modification.
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Affiliation(s)
- Yuchen Wang
- Department of Orthopedics, Wujin TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Changzhou, Jiangsu, 213161, China
| | - Weizhong Yu
- Department of Orthopedics, Wujin TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Changzhou, Jiangsu, 213161, China
| | - Yuan E
- Department of Orthopedics, Wujin TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Changzhou, Jiangsu, 213161, China
| | - Lining Rui
- Department of Orthopedics, Wujin TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Changzhou, Jiangsu, 213161, China
| | - Chuan Jia
- Department of Orthopedics, Wujin TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Changzhou, Jiangsu, 213161, China
| | - Wenke Zhu
- Department of Orthopedics, Wujin TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Changzhou, Jiangsu, 213161, China
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Liu XF, Liao YT, Shao JH, He DD, Fan ZH, Xu YN, Li C, Zhang X. Angelicin improves osteoporosis in ovariectomized rats by reducing ROS production in osteoclasts through regulation of the KAT6A/Nrf2 signalling pathway. Chin Med 2024; 19:91. [PMID: 38956695 PMCID: PMC11218408 DOI: 10.1186/s13020-024-00961-7] [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: 11/25/2023] [Accepted: 06/16/2024] [Indexed: 07/04/2024] Open
Abstract
BACKGROUND Angelicin, which is found in Psoralea, can help prevent osteoporosis by stopping osteoclast formation, although the precise mechanism remains unclear. METHODS We evaluated the effect of angelicin on the oxidative stress level of osteoclasts using ovariectomized osteoporosis model rats and RAW264.7 cells. Changes in the bone mass of the femur were investigated using H&E staining and micro-CT. ROS content was investigated by DHE fluorescence labelling. Osteoclast-related genes and proteins were examined for expression using Western blotting, immunohistochemistry, tartrate-resistant acid phosphatase staining, and real-time quantitative PCR. The influence of angelicin on osteoclast development was also evaluated using the MTT assay, double luciferin assay, chromatin immunoprecipitation, immunoprecipitation and KAT6A siRNA transfection. RESULTS Rats treated with angelicin had considerably higher bone mineral density and fewer osteoclasts. Angelicin prevented RAW264.7 cells from differentiating into osteoclasts in vitro when stimulated by RANKL. Experiments revealed reduced ROS levels and significantly upregulated intracellular KAT6A, HO-1, and Nrf2 following angelicin treatment. The expression of genes unique to osteoclasts, such as MMP9 and NFATc1, was also downregulated. Finally, KAT6A siRNA transfection increased intracellular ROS levels while decreasing KAT6A, Nrf2, and HO-1 protein expression in osteoclasts. However, in the absence of KAT6A siRNA transfection, angelicin greatly counteracted this effect in osteoclasts. CONCLUSIONS Angelicin increased the expression of KAT6A. This enhanced KAT6A expression helps to activate the Nrf2/HO-1 antioxidant stress system and decrease ROS levels in osteoclasts, thus inhibiting oxidative stress levels and osteoclast formation.
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Affiliation(s)
- Xiao-Feng Liu
- Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Yi-Tao Liao
- Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Jia-Hao Shao
- Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Dan-Dan He
- Department of Spine, Wuxi Affiliated Hospital of Nanjing University of Chinese Medicine, Wuxi, 214071, China
| | - Zhi-Hong Fan
- Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Ye-Nan Xu
- Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Chao Li
- Department of Spine, Wuxi Affiliated Hospital of Nanjing University of Chinese Medicine, Wuxi, 214071, China.
| | - Xian Zhang
- Department of Spine, Wuxi Affiliated Hospital of Nanjing University of Chinese Medicine, Wuxi, 214071, China.
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9
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Wei F, Hughes M, Omer M, Ngo C, Pugazhendhi AS, Kolanthai E, Aceto M, Ghattas Y, Razavi M, Kean TJ, Seal S, Coathup M. A Multifunctional Therapeutic Strategy Using P7C3 as A Countermeasure Against Bone Loss and Fragility in An Ovariectomized Rat Model of Postmenopausal Osteoporosis. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2308698. [PMID: 38477537 PMCID: PMC11151083 DOI: 10.1002/advs.202308698] [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: 11/13/2023] [Indexed: 03/14/2024]
Abstract
By 2060, an estimated one in four Americans will be elderly. Consequently, the prevalence of osteoporosis and fragility fractures will also increase. Presently, no available intervention definitively prevents or manages osteoporosis. This study explores whether Pool 7 Compound 3 (P7C3) reduces progressive bone loss and fragility following the onset of ovariectomy (OVX)-induced osteoporosis. Results confirm OVX-induced weakened, osteoporotic bone together with a significant gain in adipogenic body weight. Treatment with P7C3 significantly reduced osteoclastic activity, bone marrow adiposity, whole-body weight gain, and preserved bone area, architecture, and mechanical strength. Analyses reveal significantly upregulated platelet derived growth factor-BB and leukemia inhibitory factor, with downregulation of interleukin-1 R6, and receptor activator of nuclear factor kappa-B (RANK). Together, proteomic data suggest the targeting of several key regulators of inflammation, bone, and adipose turnover, via transforming growth factor-beta/SMAD, and Wingless-related integration site/be-catenin signaling pathways. To the best of the knowledge, this is first evidence of an intervention that drives against bone loss via RANK. Metatranscriptomic analyses of the gut microbiota show P7C3 increased Porphyromonadaceae bacterium, Candidatus Melainabacteria, and Ruminococcaceae bacterium abundance, potentially contributing to the favorable inflammatory, and adipo-osteogenic metabolic regulation observed. The results reveal an undiscovered, and multifunctional therapeutic strategy to prevent the pathological progression of OVX-induced bone loss.
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Affiliation(s)
- Fei Wei
- Biionix ClusterUniversity of Central FloridaOrlandoFL82816USA
| | - Megan Hughes
- School of BiosciencesCardiff UniversityWalesCF10 3ATUK
| | - Mahmoud Omer
- Biionix ClusterUniversity of Central FloridaOrlandoFL82816USA
| | - Christopher Ngo
- Biionix ClusterUniversity of Central FloridaOrlandoFL82816USA
- College of MedicineUniversity of Central FloridaOrlandoFL32827USA
| | | | - Elayaraja Kolanthai
- Advanced Materials Processing and Analysis Centre, Nanoscience Technology Center (NSTC)University of Central FloridaOrlandoFL32826USA
| | - Matthew Aceto
- College of MedicineUniversity of Central FloridaOrlandoFL32827USA
| | - Yasmine Ghattas
- College of MedicineUniversity of Central FloridaOrlandoFL32827USA
| | - Mehdi Razavi
- Biionix ClusterUniversity of Central FloridaOrlandoFL82816USA
- College of MedicineUniversity of Central FloridaOrlandoFL32827USA
| | - Thomas J Kean
- Biionix ClusterUniversity of Central FloridaOrlandoFL82816USA
- College of MedicineUniversity of Central FloridaOrlandoFL32827USA
| | - Sudipta Seal
- Biionix ClusterUniversity of Central FloridaOrlandoFL82816USA
- College of MedicineUniversity of Central FloridaOrlandoFL32827USA
- Advanced Materials Processing and Analysis Centre, Nanoscience Technology Center (NSTC)University of Central FloridaOrlandoFL32826USA
| | - Melanie Coathup
- Biionix ClusterUniversity of Central FloridaOrlandoFL82816USA
- College of MedicineUniversity of Central FloridaOrlandoFL32827USA
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10
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Chavarry NGM, Abreu PVB, Feres-Filho EJ, Pereira DMT, Maia LC, Molon RSD. The effects of sodium alendronate on socket healing after tooth extraction: a systematic review of animal studies. Braz Oral Res 2024; 38:e038. [PMID: 38747825 PMCID: PMC11376628 DOI: 10.1590/1807-3107bor-2024.vol38.0038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 11/07/2023] [Indexed: 05/25/2024] Open
Abstract
The aim of this systematic review was to answer the following question: "Does alendronate, a nitrogen-containing bisphosphonate, improve or impair alveolar socket healing after tooth extraction in animal models"? To this end, a systematic review of the literature was carried out in PubMed, Scopus, LILACS, Web of Science, as well as in the gray literature up to May 2023. Preclinical studies that evaluated alveolar healing after tooth extraction and the intake of sodium alendronate compared with placebo were included. Two investigators were responsible for screening the articles independently, extracting the data, and assessing their quality through the SYRCLE's RoB tool for randomized trials in animal studies. The study selection process, study characteristics, risk of bias in studies, impact of alendronate on bone healing, and certainty of evidence were described in text and table formats. Methodological differences among the studies were restricted to the synthesis methods. The synthesis of qualitative results followed the Synthesis Without Meta-analysis (SWiM) reporting guideline. From the 19 included studies, five were considered to have low risk, three were of unclear risk, and eleven presented a high risk of bias. The studies were considered heterogeneous regarding alendronate posology, including its dosage and route of administration. Furthermore, a variety of animal species, different age ranges, diverse teeth extracted, and exposure or not to ovariectomy contributed to the lack of parity of the selected studies. Our results indicated that alendronate monotherapy negatively affects the early phase of wound healing after tooth extraction in preclinical studies, suggesting that the bone resorption process after tooth extraction in animals treated with alendronate might impair the bone healing process of the extraction socket. In conclusion, alendronate administration restrains bone resorption, thereby delaying alveolar socket healing . Future studies should be conducted to validate these findings and to better understand the effects of alendronate therapy on oral tissues.
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Affiliation(s)
- Nilo Guliberto Martins Chavarry
- Universidade Federal do Rio de Janeiro - UFRJ, School of Dentistry, Department of Periodontology, Rio de Janeiro, RJ, Brazil
| | - Pedro Villas Boas Abreu
- Universidade Federal do Rio de Janeiro - UFRJ, School of Dentistry, Department of Periodontology, Rio de Janeiro, RJ, Brazil
| | - Eduardo Jorge Feres-Filho
- Universidade Federal do Rio de Janeiro - UFRJ, School of Dentistry, Department of Periodontology, Rio de Janeiro, RJ, Brazil
| | | | - Lucianne Cople Maia
- Universidade Federal do Rio de Janeiro - UFRJ, School of Dentistry, Department of Orthodontic and Pediatric Dentistry, Rio de Janeiro, RJ, Brazil
| | - Rafael Scaf De Molon
- Universidade Estadual Paulista - Unesp, School of Dentistry at Araçatuba, Department of Diagnosis and Surgery, Araçatuba, SP, Brazil
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11
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Suzuki H, Fujiwara Y, Ariyani W, Amano I, Ishii S, Ninomiya AK, Sato S, Takaoka A, Koibuchi N. 17β-Estradiol (E2) Activates Matrix Mineralization through Genomic/Nongenomic Pathways in MC3T3-E1 Cells. Int J Mol Sci 2024; 25:4727. [PMID: 38731947 PMCID: PMC11083456 DOI: 10.3390/ijms25094727] [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: 03/22/2024] [Revised: 04/18/2024] [Accepted: 04/19/2024] [Indexed: 05/13/2024] Open
Abstract
Estrogen plays an important role in osteoporosis prevention. We herein report the possible novel signaling pathway of 17β-estradiol (E2) in the matrix mineralization of MC3T3-E1, an osteoblast-like cell line. In the culture media-containing stripped serum, in which small lipophilic molecules such as steroid hormones including E2 were depleted, matrix mineralization was significantly reduced. However, the E2 treatment induced this. The E2 effects were suppressed by ICI182,780, the estrogen receptor (ER)α, and the ERβ antagonist, as well as their mRNA knockdown, whereas Raloxifene, an inhibitor of estrogen-induced transcription, and G15, a G-protein-coupled estrogen receptor (GPER) 1 inhibitor, had little or no effect. Furthermore, the E2-activated matrix mineralization was disrupted by PMA, a PKC activator, and SB202190, a p38 MAPK inhibitor, but not by wortmannin, a PI3K inhibitor. Matrix mineralization was also induced by the culture media from the E2-stimulated cell culture. This effect was hindered by PMA or heat treatment, but not by SB202190. These results indicate that E2 activates the p38 MAPK pathway via ERs independently from actions in the nucleus. Such activation may cause the secretion of certain signaling molecule(s), which inhibit the PKC pathway. Our study provides a novel pathway of E2 action that could be a therapeutic target to activate matrix mineralization under various diseases, including osteoporosis.
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Affiliation(s)
- Hiraku Suzuki
- Department of Integrative Physiology, Gunma University Graduate School of Medicine, 3-39-22 Showa-machi, Maebashi 371-8511, Gunma, Japan; (H.S.); (Y.F.); (W.A.); (I.A.); (S.I.); (A.K.N.)
- Division of Signaling in Cancer and Immunology, Institute for Genetic Medicine, Hokkaido University, Kita-15, Nishi-7, Kita-ku, Sapporo 060-0815, Hokkaido, Japan; (S.S.); (A.T.)
| | - Yuki Fujiwara
- Department of Integrative Physiology, Gunma University Graduate School of Medicine, 3-39-22 Showa-machi, Maebashi 371-8511, Gunma, Japan; (H.S.); (Y.F.); (W.A.); (I.A.); (S.I.); (A.K.N.)
| | - Winda Ariyani
- Department of Integrative Physiology, Gunma University Graduate School of Medicine, 3-39-22 Showa-machi, Maebashi 371-8511, Gunma, Japan; (H.S.); (Y.F.); (W.A.); (I.A.); (S.I.); (A.K.N.)
| | - Izuki Amano
- Department of Integrative Physiology, Gunma University Graduate School of Medicine, 3-39-22 Showa-machi, Maebashi 371-8511, Gunma, Japan; (H.S.); (Y.F.); (W.A.); (I.A.); (S.I.); (A.K.N.)
| | - Sumiyasu Ishii
- Department of Integrative Physiology, Gunma University Graduate School of Medicine, 3-39-22 Showa-machi, Maebashi 371-8511, Gunma, Japan; (H.S.); (Y.F.); (W.A.); (I.A.); (S.I.); (A.K.N.)
| | - Ayane Kate Ninomiya
- Department of Integrative Physiology, Gunma University Graduate School of Medicine, 3-39-22 Showa-machi, Maebashi 371-8511, Gunma, Japan; (H.S.); (Y.F.); (W.A.); (I.A.); (S.I.); (A.K.N.)
| | - Seiichi Sato
- Division of Signaling in Cancer and Immunology, Institute for Genetic Medicine, Hokkaido University, Kita-15, Nishi-7, Kita-ku, Sapporo 060-0815, Hokkaido, Japan; (S.S.); (A.T.)
- Molecular Medical Biochemistry Unit, Biological Chemistry and Engineering Course, Graduate School of Chemical Sciences and Engineering, Hokkaido University, Sapporo 060-0815, Hokkaido, Japan
| | - Akinori Takaoka
- Division of Signaling in Cancer and Immunology, Institute for Genetic Medicine, Hokkaido University, Kita-15, Nishi-7, Kita-ku, Sapporo 060-0815, Hokkaido, Japan; (S.S.); (A.T.)
- Molecular Medical Biochemistry Unit, Biological Chemistry and Engineering Course, Graduate School of Chemical Sciences and Engineering, Hokkaido University, Sapporo 060-0815, Hokkaido, Japan
| | - Noriyuki Koibuchi
- Department of Integrative Physiology, Gunma University Graduate School of Medicine, 3-39-22 Showa-machi, Maebashi 371-8511, Gunma, Japan; (H.S.); (Y.F.); (W.A.); (I.A.); (S.I.); (A.K.N.)
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12
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Vergara-Hernandez FB, Nielsen BD, Popovich JM, Panek CL, Logan AA, Robison CI, Ehrhardt RA, Johnson TN, Chargo NJ, Welsh TH, Bradbery AN, Leatherwood JL, Colbath AC. Clodronate disodium does not produce measurable effects on bone metabolism in an exercising, juvenile, large animal model. PLoS One 2024; 19:e0300360. [PMID: 38626145 PMCID: PMC11020481 DOI: 10.1371/journal.pone.0300360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Accepted: 02/23/2024] [Indexed: 04/18/2024] Open
Abstract
Bisphosphonates are commonly used to treat and prevent bone loss, but their effects in active, juvenile populations are unknown. This study examined the effects of intramuscular clodronate disodium (CLO) on bone turnover, serum bone biomarkers (SBB), bone mineral density (BMD), bone microstructure, biomechanical testing (BT), and cartilage glycosaminoglycan content (GAG) over 165 days. Forty juvenile sheep (253 ± 6 days of age) were divided into four groups: Control (saline), T0 (0.6 mg/kg CLO on day 0), T84 (0.6 mg/kg CLO on day 84), and T0+84 (0.6 mg/kg CLO on days 0 and 84). Sheep were exercised 4 days/week and underwent physical and lameness examinations every 14 days. Blood samples were collected for SBB every 28 days. Microstructure and BMD were calculated from tuber coxae (TC) biopsies (days 84 and 165) and bone healing was assessed by examining the prior biopsy site. BT and GAG were evaluated postmortem. Data, except lameness data, were analyzed using a mixed-effects model; lameness data were analyzed as ordinal data using a cumulative logistic model. CLO did not have any measurable effects on the skeleton of sheep. SBB showed changes over time (p ≤ 0.03), with increases in bone formation and decreases in some bone resorption markers. TC biopsies showed increasing bone volume fraction, trabecular spacing and thickness, and reduced trabecular number on day 165 versus day 84 (p ≤ 0.04). These changes may be attributed to exercise or growth. The absence of a treatment effect may be explained by the lower CLO dose used in large animals compared to humans. Further research is needed to examine whether low doses of bisphosphonates may be used in active juvenile populations for analgesia without evidence of bone changes.
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Affiliation(s)
- Fernando B. Vergara-Hernandez
- Department of Animal Science, College of Agricultural and Natural Resources, Michigan State University, East Lansing, Michigan, United States of America
- School of Veterinary Medicine, College of Natural Resources and Veterinary Medicine, Universidad Santo Tomas, Viña del Mar, Chile
| | - Brian D. Nielsen
- Department of Animal Science, College of Agricultural and Natural Resources, Michigan State University, East Lansing, Michigan, United States of America
| | - John M. Popovich
- Center for Neuromusculoskeletal Clinical Research, College of Osteopathic Medicine, Michigan State University, East Lansing, Michigan, United States of America
| | - Char L. Panek
- Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York, United States of America
| | - Alyssa A. Logan
- School of Agriculture, College of Basic and Applied Sciences, Middle Tennessee State University, Murfreesboro, Tennessee, United States of America
| | - Cara I. Robison
- Department of Animal Science, College of Agricultural and Natural Resources, Michigan State University, East Lansing, Michigan, United States of America
| | - Richard A. Ehrhardt
- Department of Animal Science, College of Agricultural and Natural Resources, Michigan State University, East Lansing, Michigan, United States of America
- Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York, United States of America
| | - Tyler N. Johnson
- Department of Chemical Engineering and Materials Science, College of Engineering, Michigan State University, East Lansing, Michigan, United States of America
| | - Nicholas J. Chargo
- Department of Physiology, College of Natural Science, Michigan State University, East Lansing, Michigan, United States of America
| | - Thomas H. Welsh
- Department of Animal Science, College of Agriculture & Life Sciences, Texas A&M University, College Station, Texas, United States of America
| | - Amanda N. Bradbery
- Department of Animal and Range Sciences, College of Agriculture, Montana State University, Bozeman, Montana, United States of America
| | - Jessica L. Leatherwood
- Department of Animal Science, College of Agriculture and Natural Resources, Tarleton State University, Stephenville, Texas, United States of America
| | - Aimee C. Colbath
- Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York, United States of America
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Zhang D, Li J, Li X, Liu W, Yu Y, Sun H, Wu J, Ge Z, Lv K, Shao Y, Wang S, Ye X. Anti-osteoporosis activity of casticin in ovariectomized rats. Toxicol Res (Camb) 2024; 13:tfae064. [PMID: 38680951 PMCID: PMC11052697 DOI: 10.1093/toxres/tfae064] [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: 09/04/2023] [Revised: 03/06/2024] [Indexed: 05/01/2024] Open
Abstract
Background Postmenopausal osteoporosis (PMPO) is the most familiar type of osteoporosis, a silent bone disease. Casticin, a natural flavonoid constituent, improves osteoporosis in animal model. Nevertheless, the potential mechanism remains to be further explored. Methods A model of PMPO was established in rats treated with ovariectomy (OVX) and RAW 264.7 cells induced with receptor activator of nuclear factor kappa-B ligand (RANKL). The effect and potential mechanism of casticin on PMPO were addressed by pathological staining, measurement of bone mineral density (BMD), three-point bending test, serum biochemical detection, filamentous-actin (F-actin) ring staining, TRAcP staining, reverse transcription quantitative polymerase chain reaction, western blot and examination of oxidative stress indicators. Results The casticin treatment increased the femoral trabecular area, bone maturity, BMD, elastic modulus, maximum load, the level of calcium and estrogen with the reduced concentrations of alkaline phosphatase (ALP) and tumor necrosis factor (TNF)-α in OVX rats. An enhancement in the F-actin ring formation, TRAcP staining and the relative mRNA expression of NFATc1 and TRAP was observed in RANKL-induced RAW 264.7 cells, which was declined by the treatment of casticin. Moreover, the casticin treatment reversed the reduced the relative protein expression of Nrf2 and HO-1 and the concentrations of superoxide dismutase and glutathione peroxidase, and the increased content of malondialdehyde both in vivo and in vitro. Conclusion Casticin improved bone density, bone biomechanics, the level of calcium and estrogen, the release of pro-inflammatory factor and oxidative stress to alleviate osteoporosis, which was associated with the upregulation of Nrf2/HO-1 pathway.
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Affiliation(s)
- Dong Zhang
- Department of Orthopedics, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, No. 110 Ganhe Road, Hongkou District, Shanghai 200437, China
| | - Jianmin Li
- Department of Orthopedics, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, No. 110 Ganhe Road, Hongkou District, Shanghai 200437, China
| | - Xuejia Li
- Department of Orthopedics, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, No. 110 Ganhe Road, Hongkou District, Shanghai 200437, China
| | - Wanxin Liu
- Department of Orthopedics, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, No. 110 Ganhe Road, Hongkou District, Shanghai 200437, China
| | - Ying Yu
- Department of Orthopedics, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, No. 110 Ganhe Road, Hongkou District, Shanghai 200437, China
| | - Hao Sun
- Department of Spine Surgery, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, No. 110 Ganhe Road, Hongkou District, Shanghai 200437, China
| | - Jiajun Wu
- Department of Spine Surgery, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, No. 110 Ganhe Road, Hongkou District, Shanghai 200437, China
| | - Zhichao Ge
- Department of Spine Surgery, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, No. 110 Ganhe Road, Hongkou District, Shanghai 200437, China
| | - Kai Lv
- Department of Spine Surgery, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, No. 110 Ganhe Road, Hongkou District, Shanghai 200437, China
| | - Yanting Shao
- Laboratory Animal Center, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, No. 110 Ganhe Road, Hongkou District, Shanghai 200437, China
| | - Shuqiang Wang
- Department of Spine Surgery, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, No. 110 Ganhe Road, Hongkou District, Shanghai 200437, China
| | - Xiaojian Ye
- Department of Orthopedics, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, No. 110 Ganhe Road, Hongkou District, Shanghai 200437, China
- Department of Orthopedics, 2. Tongren Hospital, Shanghai Jiao Tong University School of Medicine, No. 1111 Xianxia Road, Changning District, Shanghai 200336, China
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14
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Lee HG, Hur J, Won JP, Seo HG. Ginseng (Panax ginseng) leaf extract modulates the expression of heme oxygenase-1 to attenuate osteoclast differentiation. Fitoterapia 2024; 173:105831. [PMID: 38278423 DOI: 10.1016/j.fitote.2024.105831] [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: 09/12/2023] [Revised: 01/23/2024] [Accepted: 01/23/2024] [Indexed: 01/28/2024]
Abstract
Osteoporosis is an aging disease characterized by an imbalance between bone formation and resorption. However, drugs that inhibit bone resorption have various adverse effects. Ginseng (Panax ginseng), a prominent herbal medicine in East Asia for >2000 years, is renowned for its manifold beneficial properties, including antioxidant, anti-cancer, anti-diabetic, and anti-adipogenic activities. Despite its long history of use, the pharmacological functions of ginseng leaves are not yet fully comprehended. In this study, we evaluated the potential effects of ginseng leaf extract (GLE) on receptor activator of nuclear factor κB ligand (RANKL)-induced osteoclast differentiation in RAW264.7 macrophage cells. Tartrate-resistant acid phosphatase (TRAP) staining revealed that GLE had significant anti-osteoclastogenic activity. GLE significantly reduced mRNA levels of osteoclast differentiation markers including TRAP, nuclear factor of activated T cell cytoplasmic 1, and cathepsin K. It also suppressed the production of reactive oxygen species (ROS) and secretion of high mobility group box-1 (HMGB1) in RANKL-treated RAW264.7 cells. In addition, GLE upregulated dose- and time-dependently the expression of heme oxygenase-1 (HO-1), eventually suppressing ROS production and HMGB1 secretion. This effects of GLE were significantly reversed by Tin Protoporphyrin IX dichloride, an inhibitor of HO-1, and HO-1 shRNA, indicating that HO-1 potently inhibits RANKL-induced osteoclast differentiation by inhibiting ROS production and HMGB1 secretion. Taken together, these observations suggest that GLE could have therapeutic potential as a natural product-derived medicine for the treatment of bone disorders.
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Affiliation(s)
- Hyuk Gyoon Lee
- Department of Animal Food Resources, College of Sang-Huh Life Sciences, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea
| | - Jinwoo Hur
- Department of Animal Food Resources, College of Sang-Huh Life Sciences, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea
| | - Jun Pil Won
- Department of Animal Food Resources, College of Sang-Huh Life Sciences, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea
| | - Han Geuk Seo
- Department of Animal Food Resources, College of Sang-Huh Life Sciences, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea.
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Coropciuc R, Moreno-Rabié C, De Vos W, Van de Casteele E, Marks L, Lenaerts V, Coppejans E, Lenssen O, Coopman R, Walschap J, Nadjmi N, Jacobs R, Politis C, Van den Wyngaert T. Navigating the complexities and controversies of medication-related osteonecrosis of the jaw (MRONJ): a critical update and consensus statement. Acta Chir Belg 2024; 124:1-11. [PMID: 38059301 DOI: 10.1080/00015458.2023.2291295] [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: 10/24/2023] [Accepted: 11/29/2023] [Indexed: 12/08/2023]
Abstract
OBJECTIVES To provide a critical update identifying the knowledge gaps and controversies in medication-related osteonecrosis of the jaw (MRONJ) within the Belgian healthcare context and outline opportunities for improvement and research in these areas. METHODS A literature review was performed to identify guidelines from international clinical societies in oncology or oral and maxillofacial surgery on diagnosing, preventing, and treating MRONJ. The recommendations were critically assessed in light of recent developments in the field and confronted with the clinical experience of experts. RESULTS Despite progress in the diagnostic criteria of MRONJ, the continued need for an 8-week timeout period should be reconsidered. Furthermore, 3D imaging techniques should be introduced to improve diagnosis and staging. The staging system remains ambiguous regarding Stage 0 MRONJ, and ongoing confusion exists regarding the term non-exposed MRONJ. The prevention of MRONJ should be tailored, considering the individual patient's risk of MRONJ, frailty, and life expectancy. More research seems needed into the efficacy and safety of drug holidays, considering the risks of rebound remodeling on fractures. With renewed interest in surgical and adjunct management techniques, adequately designed clinical studies are needed to help translate trial outcomes into universally applicable treatment guidelines taking into account individual patient characteristics. CONCLUSIONS Important knowledge gaps remain and hamper the development of clinical guidelines. Several controversies were identified where consensus is lacking, and further harmonization between stakeholders is necessary. Finally, the need for randomized controlled comparative clinical trials in MRONJ resonates harder than ever to identify the best treatment for individual patients.
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Affiliation(s)
- Ruxandra Coropciuc
- Department of Oral and Maxillofacial Surgery, University Hospitals Leuven, Leuven, Belgium
| | - Catalina Moreno-Rabié
- Department of Oral and Maxillofacial Surgery, University Hospitals Leuven, Leuven, Belgium
- Department of Imaging and Pathology, OMFS-IMPATH Research Group, Faculty of Medicine, University of Leuven, Leuven, Belgium
| | - Wouter De Vos
- Department of Oral and Maxillofacial Surgery, Antwerp University Hospital, Antwerp, Belgium
- Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium
| | - Elke Van de Casteele
- Department of Oral and Maxillofacial Surgery, Antwerp University Hospital, Antwerp, Belgium
- Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium
| | - Luc Marks
- Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium
- Special Care Dentistry, Antwerp University Hospital, Antwerp, Belgium
| | - Vincent Lenaerts
- Department of Oral and Maxillofacial Surgery, VITAZ, Sint-Niklaas, Belgium
| | - Evy Coppejans
- Department of Oral and Maxillofacial Surgery, VITAZ, Sint-Niklaas, Belgium
| | - Olivier Lenssen
- Department of Oral and Maxillofacial Surgery, ZNA Middelheim, Antwerpen, Belgium
| | - Renaat Coopman
- Department of Oral and Maxillofacial and Plastic Surgery, University Hospital of Ghent, Ghent, Belgium
| | | | - Nasser Nadjmi
- Department of Oral and Maxillofacial Surgery, Antwerp University Hospital, Antwerp, Belgium
- Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium
| | - Reinhilde Jacobs
- Department of Oral and Maxillofacial Surgery, University Hospitals Leuven, Leuven, Belgium
- Department of Imaging and Pathology, OMFS-IMPATH Research Group, Faculty of Medicine, University of Leuven, Leuven, Belgium
- Department of Dental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Constantinus Politis
- Department of Oral and Maxillofacial Surgery, University Hospitals Leuven, Leuven, Belgium
| | - Tim Van den Wyngaert
- Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium
- Department of Nuclear Medicine, Antwerp University Hospital, Edegem, Belgium
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16
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Ning B, Londono I, Laporte C, Villemure I. Zoledronate reduces loading-induced microdamage in cortical ulna of ovariectomized rats. J Mech Behav Biomed Mater 2024; 150:106350. [PMID: 38171139 DOI: 10.1016/j.jmbbm.2023.106350] [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: 06/20/2023] [Revised: 12/22/2023] [Accepted: 12/24/2023] [Indexed: 01/05/2024]
Abstract
As a daily physiological mechanism in bone, microdamage accumulation dissipates energy and helps to prevent fractures. However, excessive damage accumulation might bring adverse effects to bone mechanical properties, which is especially problematic among the osteoporotic and osteopenic patients treated by bisphosphonates. Some pre-clinical studies in the literature applied forelimb loading models to produce well-controlled microdamage in cortical bone. Ovariectomized animals were also extensively studied to assimilate human conditions of estrogen-related bone loss. In the present study, we combined both experimental models to investigate microdamage accumulation in the context of osteopenia and zoledronate treatment. Three-month-old normal and ovariectomized rats treated by saline or zoledronate underwent controlled compressive loading on their right forelimb to create in vivo microdamage, which was then quantified by barium sulfate contrast-enhanced micro-CT imaging. Weekly in vivo micro-CT scans were taken to evaluate bone (re)modeling and to capture microstructural changes over time. After sacrifice, three-point-bending tests were performed to assess bone mechanical properties. Results show that the zoledronate treatment can reduce cortical microdamage accumulation in ovariectomized rats, which might be explained by the enhancement of several bone structural properties such as ultimate force, yield force, cortical bone area and volume. The rats showed increased bone formation volume and surface after the generation of microdamage, especially for the normal and the ovariectomized groups. Woven bone formation was also observed in loaded ulnae, which was most significant in ovariectomized rats. Although all the rats showed strong correlations between periosteal bone formation and microdamage accumulation, the correlation levels were lower for the zoledronate-treated groups, potentially because of their lower levels of microdamage. The present study provides insights to further investigations of pharmaceutical treatments for osteoporosis and osteopenia. The same experimental concept can be applied in future studies on microdamage and drug testing.
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Affiliation(s)
- Bohao Ning
- Department of Mechanical Engineering, Polytechnique Montréal, P.O. Box 6079, Station Centre-Ville, Montréal, QC, H3C 3A7, Canada; CHU Sainte-Justine Research Centre, 3175 Côte-Sainte-Catherine Road, Montréal, QC, H3T 1C5, Canada
| | - Irène Londono
- CHU Sainte-Justine Research Centre, 3175 Côte-Sainte-Catherine Road, Montréal, QC, H3T 1C5, Canada
| | - Catherine Laporte
- CHU Sainte-Justine Research Centre, 3175 Côte-Sainte-Catherine Road, Montréal, QC, H3T 1C5, Canada; Department of Electrical Engineering, École de Technologie Supérieure, 1100 Notre-Dame Street West, Montréal, QC, H3C 1K3, Canada
| | - Isabelle Villemure
- Department of Mechanical Engineering, Polytechnique Montréal, P.O. Box 6079, Station Centre-Ville, Montréal, QC, H3C 3A7, Canada; CHU Sainte-Justine Research Centre, 3175 Côte-Sainte-Catherine Road, Montréal, QC, H3T 1C5, Canada.
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17
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Supanumpar N, Pisarnturakit PP, Charatcharoenwitthaya N, Subbalekha K. Physicians' awareness of medication-related osteonecrosis of the jaw in patients with osteoporosis. PLoS One 2024; 19:e0297500. [PMID: 38277387 PMCID: PMC10817186 DOI: 10.1371/journal.pone.0297500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 01/06/2024] [Indexed: 01/28/2024] Open
Abstract
A serious adverse effect of antiresorptive drugs, which are widely used to treat osteoporosis, is medication-related osteonecrosis of the jaw (MRONJ). Physicians can reduce the risk of MRONJ by educating patients and emphasizing the importance of good oral health. However, limited information is available regarding physicians' awareness and clinical practices associated with MRONJ. Hence, this study aimed to examine physicians' awareness related to MRONJ and associated clinical practices. This study was a cross-sectional study conducted from December 2022 to February 2023. An online self-administered questionnaire was sent to physicians in Thailand who prescribed antiresorptive drugs for osteoporosis. Most respondents agreed that antiresorptive drugs might cause MRONJ (92.3%), poor oral health increased the risk of MRONJ (84%), and MRONJ is an important consideration in patients with osteoporosis (85%). Of the respondents, 48.1% and 15.5% always referred patients to dentists before and during antiresorptive therapy, respectively. Approximately 60% of physicians informed patients of the MRONJ risk before prescribing antiresorptive drugs, and 30% inquired about patients' oral symptoms at the follow-up visit. Overall, 44% of physicians advised patients to receive oral health care; the most common reason for not advising this was that respondents did not consider themselves to be adequately knowledgeable to detect oral health problems. These findings indicate that while most physicians who prescribed antiresorptive drugs for osteoporosis were aware of and considered MRONJ in their practice, several took insufficient action to prevent it. This highlights the need to emphasize clinical practice guidelines and collaboration between physicians and dentists.
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Affiliation(s)
- Nachapol Supanumpar
- Faculty of Dentistry, Department of Oral and Maxillofacial Surgery, Chulalongkorn University, Bangkok, Thailand
| | | | | | - Keskanya Subbalekha
- Faculty of Dentistry, Department of Oral and Maxillofacial Surgery, Chulalongkorn University, Bangkok, Thailand
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18
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Kaur K, Jewett A. Osteoclasts and Probiotics Mediate Significant Expansion, Functional Activation and Supercharging in NK, γδ T, and CD3+ T Cells: Use in Cancer Immunotherapy. Cells 2024; 13:213. [PMID: 38334605 PMCID: PMC10854567 DOI: 10.3390/cells13030213] [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: 11/20/2023] [Revised: 01/17/2024] [Accepted: 01/22/2024] [Indexed: 02/10/2024] Open
Abstract
Our previous studies have introduced osteoclasts (OCs) as major activators of NK cells. It was found that OCs exhibit the capabilities of inducing cell expansion as well as increasing the cytotoxic activity of NK cells by granule release and increasing the secretion of TNF-α and TRAIL, leading to increased lysis of tumors in short-term as well as long-term periods, respectively. OC- induced expanded NK cells were named supercharged NK cells (sNK) due to their significantly high functional activity as well as their significantly higher cell expansion rate. It is, however, unclear whether the OC-mediated effect in NK cells is specific or whether other cytotoxic immune cells can also be expanded and activated by OCs. We chose to focus on γδ T cells and pan T cells, which also include CD8+ T cells. In this paper, we report that OCs are capable of expanding and functionally activating both γδ T cells and pan T cells. Expanded γδ T and pan T cells were capable of secreting high levels of INF-γ, albeit with different dynamics to those of NK cells, and, moreover, they are unable to kill NK-specific targets. Since we used humanized-BLT (hu-BLT) mice as a model of human disease, we next determined whether NK and T cell activation through OCs is also evident in cells obtained from hu-BLT mice. Similar to humans, OCs were capable of increasing the cell expansion and secretion of IFN-γ in the culture of either NK or T cells from hu-BLT mice, providing yet further evidence that these mice are appropriate models to study human disease. Therefore, these studies indicated that CD3+ T or γδ T cells can proliferate and be supercharged by OCs similar to the NK cells; thus, they can be used individually or in combination in the cell therapy of cancers.
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Affiliation(s)
- Kawaljit Kaur
- Division of Oral Biology and Medicine, School of Dentistry and Medicine, University of California, Los Angeles, CA 90095, USA;
| | - Anahid Jewett
- Division of Oral Biology and Medicine, School of Dentistry and Medicine, University of California, Los Angeles, CA 90095, USA;
- The Jonsson Comprehensive Cancer Center, School of Dentistry and Medicine, University of California, Los Angeles, CA 90095, USA
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19
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Chatterjee A, Sahni M, Singh S, Jain S, Jasuja S, Sharma R, Bhandari S. Debridement using Piezosurgical Device and Incorporation of Autologous Platelet-Rich Fibrin in Management of Stage III Medication-Related Osteonecrosis of the Jaw — A Case study and Review of Literature. Indian J Surg 2024. [DOI: 10.1007/s12262-024-04040-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Accepted: 01/16/2024] [Indexed: 10/01/2024] Open
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20
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Muniyasamy R, Manjubala I. Insights into the Mechanism of Osteoporosis and the Available Treatment Options. Curr Pharm Biotechnol 2024; 25:1538-1551. [PMID: 37936474 DOI: 10.2174/0113892010273783231027073117] [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: 08/08/2023] [Revised: 10/03/2023] [Accepted: 10/05/2023] [Indexed: 11/09/2023]
Abstract
Osteoporosis, one of the most prevalent bone illnesses, majorly affects postmenopausal women and men over 50 years of age. Osteoporosis is associated with an increased susceptibility to fragility fractures and can result in persistent pain and significant impairment in affected individuals. The primary method for diagnosing osteoporosis involves the assessment of bone mineral density (BMD) through the utilisation of dual energy x-ray absorptiometry (DEXA). The integration of a fracture risk assessment algorithm with bone mineral density (BMD) has led to significant progress in the diagnosis of osteoporosis. Given that osteoporosis is a chronic condition and multiple factors play an important role in maintaining bone mass, comprehending its underlying mechanism is crucial for developing more effective pharmaceutical interventions for the disease. The effective management of osteoporosis involves the utilisation of appropriate pharmacological agents in conjunction with suitable dietary interventions and lifestyle modifications. This review provides a comprehensive understanding of the types of osteoporosis and elucidates the currently available pharmacological treatment options and their related mechanism of action and usage.
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Affiliation(s)
- Rajeshwari Muniyasamy
- School of Bio Sciences and Technology, Vellore Institute of Technology, Vellore, Tamil Nadu, India
| | - Inderchand Manjubala
- School of Bio Sciences and Technology, Vellore Institute of Technology, Vellore, Tamil Nadu, India
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21
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Kaur K, Jewett A. Similarities and Differences between Osteoclast-Mediated Functional Activation of NK, CD3+ T, and γδ T Cells from Humans, Humanized-BLT Mice, and WT Mice. Crit Rev Immunol 2024; 44:61-75. [PMID: 38305337 DOI: 10.1615/critrevimmunol.2023051091] [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
This study is focused on assessing the activation in NK, CD3+ T, and γδ T cells when they interact with osteoclasts (OCs) and monocytes in the presence or absence of zoledronate (ZOL), both in humans and WT mice. OCs resulted in increased IFN-γ secretion in NK, CD3+ T, and γδ T cells, however, the significantly highest increase was seen when cells were co-cultured with ZOL-treated OCs. Our previous studies have demonstrated increased IFN-γ secretion in the peripheral blood-derived immune cells of bisphosphonate-related osteonecrosis of the jaw (BRONJ) mice model. This could be due to increased OCs-induced activation of immune cells with ZOL treatment. We also observed increased IFN-γ secretion in humanized-BLT (hu-BLT) mice NK cells when were co-cultured with OCs or monocytes, and higher IFN-γ secretion levels were seen in the presence of OCs or ZOL-treated OCs. In addition, similar effects on IFN-γ secretion levels of NK, CD3+ T, and γδ T cells were seen whether cells were co-cultured with allogeneic OCs or autologous OCs.
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Affiliation(s)
- Kawaljit Kaur
- Division of Oral Biology and Medicine, The Jane and Jerry Weintraub Center for Reconstructive Biotechnology, University of California School of Dentistry, 10833 Le Conte Ave, 90095 Los Angeles, CA, USA
| | - Anahid Jewett
- Division of Oral Biology and Medicine, The Jane and Jerry Weintraub Center for Reconstructive Biotechnology, University of California School of Dentistry, 10833 Le Conte Ave, 90095 Los Angeles, CA, USA; The Jonsson Comprehensive Cancer Center, UCLA School of Dentistry and Medicine, Los Angeles, CA, USA
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22
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Hamoda H, Sharma A. Premature ovarian insufficiency, early menopause, and induced menopause. Best Pract Res Clin Endocrinol Metab 2024; 38:101823. [PMID: 37802711 DOI: 10.1016/j.beem.2023.101823] [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] [Indexed: 10/08/2023]
Abstract
Premature ovarian insufficiency (POI) is a condition in which there is a decline in ovarian function in women who are younger than 40 years resulting in a hypo-oestrogenic state with elevated gonadotrophins and oligomenorrhoea/amenorrhoea. This leads to short term complications of menopausal symptoms and long-term effects on bone and cardiovascular health, cognition as well as the impact of reduced fertility and sexual function associated with this condition. It is managed by sex steroid replacement either with HRT or combined hormonal contraception until the age of natural menopause (51) and this can provide a beneficial role with both symptom control and minimising the long-term adverse effects associated with this condition. Women who undergo a menopause between 40 and 45 years are deemed to have an "early menopause". The limited data available for this group suggest that they also have an increased morbidity if not adequately treated with hormone therapy. As such, women who have an early menopause should be managed in a similar way to those with POI, with the recommendation that they should take HRT at least until the natural age of menopause. This is the same for induced menopause that is caused by medical or surgical treatment that impacts the ovaries. It is important to ensure early diagnosis and access to specialist care to help support and manage these patients to reduce the symptoms and risks of long-term complications. This review looks at the diagnosis, causes, short and long-term complications and management of POI, early and induced menopause.
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Affiliation(s)
- Haitham Hamoda
- Clinical Lead Menopause Service, King's College Hospital, Denmark Hill, London SE5 9RS, UK.
| | - Angela Sharma
- (GP Partner) Pembridge Villas Surgery, 45 Pembridge Villas, London W11 3EP, UK.
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23
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Hadad H, Matheus HR, Chen JE, Jounaidi Y, Souza FÁ, Guastaldi FPS. Dose-dependent effects of zoledronic acid on the osteogenic differentiation of human bone marrow stem cells (hBMSCs). JOURNAL OF STOMATOLOGY, ORAL AND MAXILLOFACIAL SURGERY 2023; 124:101479. [PMID: 37080358 DOI: 10.1016/j.jormas.2023.101479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 04/17/2023] [Indexed: 04/22/2023]
Abstract
Recent studies have shown that bisphosphonates can also impact osteoblasts besides osteoclasts. This study aimed to evaluate the effects of different concentrations of Zoledronic acid (ZA) during the osteogenic differentiation of human Bone Marrow Stem Cells (hBMSCs) in vitro. Thus, osteogenic differentiation of hBMSCs was conducted with different concentrations of Zoledronic Acid (ZA) (0, 0.1, 1.0, and 5.0 μM) for the first 3 days. Cell metabolism was quantified at 1-, 3-, 7-, and 14 days. At 7- and 14-days, the following analyses were performed: 1) mineralization nodule assay, 2) LIVE/DEAD™, 3) cell adhesion and spreading, 4) alkaline phosphatase (ALP) activity, and 5) qPCR analysis for RUNX-2), ALPL, and COL1 A1. Data were analyzed by ANOVA 2-way, followed by Tukey's post hoc test (p < 0.05). Cell metabolism (3-, 7-, and 14-days) (p < 0.001), mineralization (7-, 14-days) (p < 0.001), and ALP activity (14-days) (p < 0.001) were reduced in ZA 5.0 µM when compared to control (no ZA). Also, ZA 5.0 µM downregulated the expression of RUNX2 at 7- and 14-days (p < 0.001). It is possible to conclude that ZA (5.0 µM) can impair hBMSC differentiation into osteoblasts and interferes with its mineralization phase.
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Affiliation(s)
- Henrique Hadad
- Skeletal Biology Research Center, Department of Oral and Maxillofacial Surgery, Massachusetts General Hospital, Harvard School of Dental Medicine, Boston, MA 02114, USA; Department of Diagnosis and Surgery, Oral & Maxillofacial Surgery Division, São Paulo State University (UNESP), School of Dentistry, Araçatuba, SP, 16.015-050, Brazil
| | - Henrique Rinaldi Matheus
- Skeletal Biology Research Center, Department of Oral and Maxillofacial Surgery, Massachusetts General Hospital, Harvard School of Dental Medicine, Boston, MA 02114, USA; Department of Diagnosis and Surgery, Division of Periodontics, São Paulo State University (UNESP), School of Dentistry, Araçatuba, SP, 16.015-050, Brazil
| | - Jason Evan Chen
- Skeletal Biology Research Center, Department of Oral and Maxillofacial Surgery, Massachusetts General Hospital, Harvard School of Dental Medicine, Boston, MA 02114, USA
| | - Youssef Jounaidi
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA
| | - Francisley Ávila Souza
- Department of Diagnosis and Surgery, Oral & Maxillofacial Surgery Division, São Paulo State University (UNESP), School of Dentistry, Araçatuba, SP, 16.015-050, Brazil
| | - Fernando Pozzi Semeghini Guastaldi
- Skeletal Biology Research Center, Department of Oral and Maxillofacial Surgery, Massachusetts General Hospital, Harvard School of Dental Medicine, Boston, MA 02114, USA.
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24
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Ting M, Huynh BH, Woldu HG, Gamal I, Suzuki JB. Clinical Impact on Dental Implant Survival in Patients Taking Antiresorptive Medications: A Systematic Review and Meta-Analysis. J ORAL IMPLANTOL 2023; 49:599-615. [PMID: 37905745 DOI: 10.1563/aaid-joi-d-21-00160] [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] [Indexed: 11/02/2023]
Abstract
Dental implants are a predictable option to replace missing teeth. Patients on antiresorptive medications used to treat disorders associated with bone resorption may need dental implants to replace missing teeth. The data on implant failure in patients on antiresorptive medication requiring dental implants, is conflicting and limited. This systematic review aims to investigate if antiresorptive medications have any clinical impact on dental implant survival. Electronic databases were searched until May 2020. The focus question (PICOS): Participants: humans, Interventions: implant placement surgery in patients on antiresorptive medication, Comparisons: patients on antiresorptive medication vs control (patients not on antiresorptive medication), Outcomes: implant survival, and Study design: clinical studies. The protocol of this systematic review was registered in PROSPERO (CRD42020209083). Fourteen nonrandomized studies were selected for data extraction and risk of bias assessment using the ROBINS-1 tool. Only studies with a control were included for the meta-analysis, 8 articles were included in the meta-analysis using implant-level data, and 5 articles were included in the meta-analysis using patient-level data. There was no statistical significance between the 2 groups at the patient level based on 265 patients. However, there was a statistically significant difference at the implant level based on 2697 implants. Therefore, antiresorptive medications, mainly bisphosphonates (BPs), may significantly contribute to implant failure. Antiresorptive medications, especially BPs may reduce implant survival and impair the osseointegration of dental implants. Failed implants in patients on BPs may not lead to osteonecrosis and may be replaced with success.
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Affiliation(s)
- Miriam Ting
- Department of Periodontics, University of Pennsylvania, Philadelphia, PA
- Think Dental Learning Institute, Paoli, PA
- General Dental Practice Residency, Einstein Medical Center, Philadelphia, PA
- Private Practice, Paoli, PA
| | - Benzon H Huynh
- Indian Health Service, U.S. Department of Health and Human Services
| | - Henok G Woldu
- The Center for Health Analytics for National and Global Equity (C.H.A.N.G.E.), Columbia, MO
- Biostatistician, Private Company, CA
| | - Ibrahim Gamal
- Faculty of Medicine, Al Azhar University, Cairo, Egypt
| | - Jon B Suzuki
- University of Maryland School of Dentistry, Baltimore, MD
- University of Washington School of Dentistry, Seattle, WA
- Nova Southeastern University College of Dental Medicine, Fort Lauderdale, FL
- Temple University Schools of Medicine and Dentistry, Philadelphia, PA
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25
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Wang M, Seibel MJ. Approach to the Patient With Bone Fracture: Making the First Fracture the Last. J Clin Endocrinol Metab 2023; 108:3345-3352. [PMID: 37290052 PMCID: PMC10655538 DOI: 10.1210/clinem/dgad345] [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: 05/16/2023] [Revised: 06/02/2023] [Accepted: 06/05/2023] [Indexed: 06/10/2023]
Abstract
The global burden of osteoporosis and osteoporotic fractures will increase significantly as we enter a rapidly aging population. Osteoporotic fractures lead to increased morbidity, mortality, and risk of subsequent fractures if left untreated. However, studies have shown that the majority of patients who suffer an osteoporotic fracture are not investigated or treated for osteoporosis, leading to an inexcusable "osteoporosis care gap." Systematic and coordinated models of care in secondary fracture prevention known as fracture liaison services (FLS) have been established to streamline and improve the care of patients with osteoporotic fractures, and employ core principles of identification, investigation, and initiation of treatment. Our approach to the multifaceted care of secondary fracture prevention at a hospital-based FLS is illustrated through several case vignettes.
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Affiliation(s)
- Mawson Wang
- The University of Sydney, Bone Research Program, ANZAC Research Institute, Concord, NSW 2139, Australia
| | - Markus J Seibel
- The University of Sydney, Bone Research Program, ANZAC Research Institute, Concord, NSW 2139, Australia
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26
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Tang W, Ding Z, Gao H, Yan Q, Liu J, Han Y, Hou X, Liu Z, Chen L, Yang D, Ma G, Cao H. Targeting Kindlin-2 in adipocytes increases bone mass through inhibiting FAS/PPAR γ/FABP4 signaling in mice. Acta Pharm Sin B 2023; 13:4535-4552. [PMID: 37969743 PMCID: PMC10638509 DOI: 10.1016/j.apsb.2023.07.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 05/14/2023] [Accepted: 05/18/2023] [Indexed: 11/17/2023] Open
Abstract
Osteoporosis (OP) is a systemic skeletal disease that primarily affects the elderly population, which greatly increases the risk of fractures. Here we report that Kindlin-2 expression in adipose tissue increases during aging and high-fat diet fed and is accompanied by decreased bone mass. Kindlin-2 specific deletion (K2KO) controlled by Adipoq-Cre mice or adipose tissue-targeting AAV (AAV-Rec2-CasRx-sgK2) significantly increases bone mass. Mechanistically, Kindlin-2 promotes peroxisome proliferator-activated receptor gamma (PPARγ) activation and downstream fatty acid binding protein 4 (FABP4) expression through stabilizing fatty acid synthase (FAS), and increased FABP4 inhibits insulin expression and decreases bone mass. Kindlin-2 inhibition results in accelerated FAS degradation, decreased PPARγ activation and FABP4 expression, and therefore increased insulin expression and bone mass. Interestingly, we find that FABP4 is increased while insulin is decreased in serum of OP patients. Increased FABP4 expression through PPARγ activation by rosiglitazone reverses the high bone mass phenotype of K2KO mice. Inhibition of FAS by C75 phenocopies the high bone mass phenotype of K2KO mice. Collectively, our study establishes a novel Kindlin-2/FAS/PPARγ/FABP4/insulin axis in adipose tissue modulating bone mass and strongly indicates that FAS and Kindlin-2 are new potential targets and C75 or AAV-Rec2-CasRx-sgK2 treatment are potential strategies for OP treatment.
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Affiliation(s)
- Wanze Tang
- Department of Biochemistry, School of Medicine, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Key University Laboratory of Metabolism and Health of Guangdong, Southern University of Science and Technology, Shenzhen 518055, China
- The First Affiliated Hospital, Southern University of Science and Technology, Shenzhen 518055, China
| | - Zhen Ding
- Department of Biochemistry, School of Medicine, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Key University Laboratory of Metabolism and Health of Guangdong, Southern University of Science and Technology, Shenzhen 518055, China
| | - Huanqing Gao
- Department of Biochemistry, School of Medicine, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Key University Laboratory of Metabolism and Health of Guangdong, Southern University of Science and Technology, Shenzhen 518055, China
| | - Qinnan Yan
- Department of Biochemistry, School of Medicine, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Key University Laboratory of Metabolism and Health of Guangdong, Southern University of Science and Technology, Shenzhen 518055, China
| | - Jingping Liu
- Clinical Laboratory of the Third Affiliated Hospital of Southern Medical University, Guangzhou 510630, China
| | - Yingying Han
- Department of Biochemistry, School of Medicine, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Key University Laboratory of Metabolism and Health of Guangdong, Southern University of Science and Technology, Shenzhen 518055, China
| | - Xiaoting Hou
- Department of Biochemistry, School of Medicine, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Key University Laboratory of Metabolism and Health of Guangdong, Southern University of Science and Technology, Shenzhen 518055, China
| | - Zhengwei Liu
- Department of Biochemistry, School of Medicine, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Key University Laboratory of Metabolism and Health of Guangdong, Southern University of Science and Technology, Shenzhen 518055, China
| | - Litong Chen
- Department of Biochemistry, School of Medicine, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Key University Laboratory of Metabolism and Health of Guangdong, Southern University of Science and Technology, Shenzhen 518055, China
| | - Dazhi Yang
- The First Affiliated Hospital, Southern University of Science and Technology, Shenzhen 518055, China
| | - Guixing Ma
- Department of Biochemistry, School of Medicine, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Key University Laboratory of Metabolism and Health of Guangdong, Southern University of Science and Technology, Shenzhen 518055, China
| | - Huiling Cao
- Department of Biochemistry, School of Medicine, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Key University Laboratory of Metabolism and Health of Guangdong, Southern University of Science and Technology, Shenzhen 518055, China
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27
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Kim Y, Ku JK. Rat Calvaria Model Mimicking the Intraoral Lesion of Medication-Related Osteonecrosis in the Jaw: A Preliminary Test. J Clin Med 2023; 12:6731. [PMID: 37959197 PMCID: PMC10649854 DOI: 10.3390/jcm12216731] [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: 09/29/2023] [Revised: 10/17/2023] [Accepted: 10/24/2023] [Indexed: 11/15/2023] Open
Abstract
Numerous preclinical intraoral models have been proposed to study medication-related osteonecrosis of the jaws (MRONJ). However, an extraoral animal model is necessary to investigate the effects of interventions such as grafts or direct therapeutics. This study aimed to establish a MRONJ rat model on the calvaria. Seven rats were allocated to either the control or MRONJ group. The MRONJ group received injections of zoledronic acid and dexamethasone to induce osteonecrosis over 4 weeks. Two weeks after these injections, the maxillary first molar was extracted, and two calvaria defects were created using a 4 mm trephine burr. One defect was left untreated, while the other was filled with harvested calvaria bone. A histological examination of all calvaria in the MRONJ group revealed avascular necrosis and the destruction of cortical bone. An independent t-test and Pearson's correlation coefficient were used for statistical analysis and the evaluation of alveolar and calvaria defects. The total alveolar and calvaria defect volume in the control group was significantly smaller than that in the MRONJ group. A statistically significant correlation was observed between alveolar and calvaria defects (Pearson correlation = 0.6, p = 0.023). The autogenous grafts showed poor results in the MRONJ group since they failed to revascularize and exhibited necrosis. The calvaria in this study successfully mimicked MRONJ lesions with avascular necrosis. This preclinical model could be used to develop treatments that are applicable to MRONJ.
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Affiliation(s)
- Yesel Kim
- Department of Dental Hygiene, Jeonju Kijeon College, Jeonju 54989, Republic of Korea
| | - Jeong-Kui Ku
- Department of Oral and Maxillofacial Surgery, School of Dentistry and Institute of Oral Bioscience, Research Institute of Clinical Medicine of Jeonbuk National University, Biomedical Research Institute of Jeonbuk National University Hospital, Jeonbuk National University, Jeonju 54907, Republic of Korea
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28
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Altalhi AM, Alsubaihi AA, Aldosary MM, Alotaibi LF, Aldosariy NM, Alwegaisi AK, Alghadeer JY, Aljowayed AH. Enhancing the Oral Rehabilitation and Quality of Life of Bisphosphonate-Treated Patients: The Role of Dental Implants. Cureus 2023; 15:e46654. [PMID: 37942370 PMCID: PMC10627790 DOI: 10.7759/cureus.46654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/07/2023] [Indexed: 11/10/2023] Open
Abstract
The purpose of this review is to examine the literature on the topic of bisphosphonate-related osteonecrosis of the jaw (BRONJ) and dental implant failure in patients undergoing bisphosphonate (BP) therapy who also received dental implants before, during, or after BP treatment, as compared to healthy patients. This research followed the guidelines in the Preferred Reporting Items for Systematic Reviews and Meta-analysis (PRISMA) statement. The "PICO" or population, intervention, comparison, and outcome clinical question was as follows: does the insertion of dental implants in patients receiving bisphosphonate therapy increase the failure and loss of implants or the incidence of bisphosphonate-related osteonecrosis of the jaw compared to healthy patients? The articles published in PubMed/Medical Literature Analysis and Retrieval System Online (MEDLINE) up to July 1, 2023, were retrieved using a mix of Medical Subject Heading (MeSH) words and their entry terms. The absence of randomized clinical trials examining this issue underscores the need for additional studies with extended follow-ups to answer outstanding questions. Because of the potential for BRONJ and implant failure, patients receiving bisphosphonate medication should exercise caution when planning dental implant surgery. In addition, when such procedures are carried out, the patient's entire systemic condition must be considered.
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29
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Foessl I, Dimai HP, Obermayer-Pietsch B. Long-term and sequential treatment for osteoporosis. Nat Rev Endocrinol 2023; 19:520-533. [PMID: 37464088 DOI: 10.1038/s41574-023-00866-9] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/21/2023] [Indexed: 07/20/2023]
Abstract
Osteoporosis is a skeletal disorder that causes impairment of bone structure and strength, leading to a progressively increased risk of fragility fractures. The global prevalence of osteoporosis is increasing in the ageing population. Owing to the chronic character of osteoporosis, years or even decades of preventive measures or therapy are required. The long-term use of bone-specific pharmacological treatment options, including antiresorptive and/or osteoanabolic approaches, has raised concerns around adverse effects or potential rebound phenomena after treatment discontinuation. Imaging options, risk scores and the assessment of bone turnover during initiation and monitoring of such therapies could help to inform individualized treatment strategies. Combination therapies are currently used less often than 'sequential' treatments. However, all patients with osteoporosis, including those with secondary and rare causes of osteoporosis, as well as specific patient populations (for example, young adults, men and pregnant women) require new approaches for long-term therapy and disease monitoring. New pathophysiological aspects of bone metabolism might therefore help to inform and revolutionize the diagnosis and treatment of osteoporosis.
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Affiliation(s)
- Ines Foessl
- Division of Endocrinology and Diabetology, Department of Internal Medicine, Medical University Graz, Graz, Austria
| | - Hans P Dimai
- Division of Endocrinology and Diabetology, Department of Internal Medicine, Medical University Graz, Graz, Austria
| | - Barbara Obermayer-Pietsch
- Division of Endocrinology and Diabetology, Department of Internal Medicine, Medical University Graz, Graz, Austria.
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Castillo EJ, Jiron JM, Croft CS, Freehill DG, Castillo CM, Kura J, Yarrow JF, Bhattacharyya I, Kimmel DB, Aguirre JI. Intermittent parathyroid hormone enhances the healing of medication-related osteonecrosis of the jaw lesions in rice rats. Front Med (Lausanne) 2023; 10:1179350. [PMID: 37404809 PMCID: PMC10315582 DOI: 10.3389/fmed.2023.1179350] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2023] [Accepted: 05/26/2023] [Indexed: 07/06/2023] Open
Abstract
Medication-related osteonecrosis of the jaw (MRONJ) is a potentially severe adverse event in patients treated with antiresorptives. Management of MRONJ is challenging, and no non-antibiotic, established medical treatment exists. Intermittent parathyroid hormone (iPTH) has been used off-label to treat MRONJ with favorable results. However, its medical efficacy has rarely been substantiated in clinical or preclinical experiments. Using a validated rice rat, infection-based model of MRONJ, we evaluated the effects of iPTH on established MRONJ. We hypothesize that iPTH contributes to MRONJ resolution by enhancing alveolar bone turnover and healing oral soft tissues. Eighty-four rice rats began a standard rodent chow diet at age 4 weeks to induce localized periodontitis. Rats were simultaneously randomized to receive saline (vehicle, VEH) or zoledronic acid (ZOL, 80 μg/kg IV) every 4 weeks. Oral exams were conducted bi-weekly to assign a gross quadrant grade (GQG, 0-4) to evaluate any lesion at the lingual aspect of the interdental space between maxillary molar (M2) and M3. 14 of 20 VEH-treated rice rats (70%) developed maxillary localized periodontitis with GQG 2-3 after 30 ± 10 weeks of saline. Additionally, 40 of 64 ZOL-treated rice rats with periodontitis developed MRONJ-like lesions after 30 ± 10 weeks of ZOL treatment. Rice rats with localized periodontitis or MRONJ-like lesions were treated with saline or iPTH (40 μg/kg) subcutaneously (SC) 3 times/week For 6 weeks until euthanasia. We found that iPTH -treated ZOL rats had a lower prevalence of MRONJ (p < 0.001), with lower severity extent of oral lesions (p = 0.003) and percentage of empty osteocyte lacunae (p < 0.001). ZOL rats treated with iPTH displayed a higher osteoblast surface (p < 0.001), more osteoblasts (p < 0.001), higher osteoclast surface (p < 0.001) and more osteoclasts (p = 0.002) at alveolar bone surfaces than ZOL/VEH rats. Greater gingival epithelial thickness and epithelial cell proliferation rate was found in the oral mucosa and gingiva of ZOL/PTH rats than in ZOL/VEH rats (p < 0.001). Our data suggest that iPTH is an efficacious non-operative medicinal therapy that accelerates oral healing and enhances the resolution of MRONJ lesions in ZOL-treated rice rats.
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Affiliation(s)
- E. J. Castillo
- Department of Physiological Sciences, University of Florida, Gainesville, FL, United States
| | - J. M. Jiron
- Department of Physiological Sciences, University of Florida, Gainesville, FL, United States
| | - C. S. Croft
- Department of Physiological Sciences, University of Florida, Gainesville, FL, United States
| | - D. G. Freehill
- Department of Physiological Sciences, University of Florida, Gainesville, FL, United States
| | - C. M. Castillo
- Department of Physiological Sciences, University of Florida, Gainesville, FL, United States
| | - J. Kura
- VA Medical Center, Research Service, Gainesville, FL, United States
| | - J. F. Yarrow
- VA Medical Center, Research Service, Gainesville, FL, United States
| | - I. Bhattacharyya
- Department of Oral and Maxillofacial Diagnostic Sciences, College of Dentistry, University of Florida, Gainesville, FL, United States
| | - D. B. Kimmel
- Department of Physiological Sciences, University of Florida, Gainesville, FL, United States
| | - J. Ignacio Aguirre
- Department of Physiological Sciences, University of Florida, Gainesville, FL, United States
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Migliaccio S, Moretti A, Biffi A, Ronco R, Porcu G, Adami G, Alvaro R, Bogini R, Caputi AP, Cianferotti L, Frediani B, Gatti D, Gonnelli S, Lenzi A, Leone S, Nicoletti T, Paoletta M, Pennini A, Piccirilli E, Michieli R, Tarantino U, Rossini M, Corrao G, Brandi ML, Iolascon G. Medication holidays in osteoporosis: evidence-based recommendations from the Italian guidelines on 'Diagnosis, risk stratification, and continuity of care of fragility fractures' based on a systematic literature review. Ther Adv Musculoskelet Dis 2023; 15:1759720X231177110. [PMID: 37359175 PMCID: PMC10286165 DOI: 10.1177/1759720x231177110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 04/24/2023] [Indexed: 06/28/2023] Open
Abstract
Background Noncommunicable, chronic diseases need pharmacological interventions for long periods or even throughout life. The temporary or permanent cessation of medication for a specific period, known as a 'medication holiday,' should be planned by healthcare professionals. Objectives We evaluated the association between continuity (adherence or persistence) of treatment and several outcomes in patients with fragility fractures in the context of the development of the Italian Guidelines. Design Systematic review. Data Sources and Methods We systematically searched PubMed, Embase, and the Cochrane Library up to November 2020 for randomized clinical trials (RCTs) and observational studies that analyzed medication holidays in patients with fragility fracture. Three authors independently extracted data and appraised the risk of bias of the included studies. The quality of evidence was assessed using the Grading of Recommendations Assessment, Development and Evaluation methodology. Effect sizes were pooled in a meta-analysis using random effects models. Primary outcomes were refracture and quality of life; secondary outcomes were mortality and treatment-related adverse events. Results Six RCTs and nine observational studies met our inclusion criteria, ranging from very low to moderate quality. The adherence to antiosteoporotic drugs was associated with a lower risk of nonvertebral fracture [relative risk (RR) 0.42, 95% confidence interval (CI) 0.20-0.87; three studies] than nonadherence, whereas no difference was detected in the health-related quality of life. A reduction in refracture risk was observed when continuous treatment was compared to discontinuous therapy (RR 0.49, 95% CI 0.25-0.98; three studies). A lower mortality rate was detected for the adherence and persistence measures, while no significant differences were noted in gastrointestinal side effects in individuals undergoing continuous versus discontinuous treatment. Conclusion Our findings suggest that clinicians should promote adherence and persistence to antiosteoporotic treatment in patients with fragility fractures unless serious adverse effects occur.
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Affiliation(s)
- Silvia Migliaccio
- Department of Movement, Human and Health Sciences, Foro Italico University, Rome, Italy
| | - Antimo Moretti
- Department of Medical and Surgical Specialties and Dentistry, University of Campania “Luigi Vanvitelli,” Napoli, Italy
| | - Annalisa Biffi
- Unit of Biostatistics, Epidemiology, and Public Health, Department of Statistics and Quantitative Methods, National Centre for Healthcare Research and Pharmacoepidemiology, University of Milano-Bicocca, Milan, Italy
| | - Raffaella Ronco
- Unit of Biostatistics, Epidemiology, and Public Health, Department of Statistics and Quantitative Methods, National Centre for Healthcare Research and Pharmacoepidemiology, University of Milano-Bicocca, Milan, Italy
| | - Gloria Porcu
- Unit of Biostatistics, Epidemiology, and Public Health, Department of Statistics and Quantitative Methods, National Centre for Healthcare Research and Pharmacoepidemiology, University of Milano-Bicocca, Milan, Italy
| | | | - Rosaria Alvaro
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
| | | | | | | | - Bruno Frediani
- Department of Medicine, Surgery and Neurosciences, Rheumatology Unit, Azienda Ospedaliero-Universitaria Senese, University of Siena, Siena, Italy
| | - Davide Gatti
- Rheumatology Unit, University of Verona, Verona, Italy
| | - Stefano Gonnelli
- Department of Medicine, Surgery and Neuroscience, Policlinico Le Scotte, University of Siena, Siena, Italy
| | - Andrea Lenzi
- Department of Experimental Medicine, Viale del Policlinico, Sapienza University of Rome, Rome, Italy
| | - Salvatore Leone
- AMICI Onlus, Associazione nazionale per le Malattie Infiammatorie Croniche dell’Intestino, Milan, Italy
| | - Tiziana Nicoletti
- CnAMC, Coordinamento nazionale delle Associazioni dei Malati Cronici e rari di Cittadinanzattiva, Rome, Italy
| | - Marco Paoletta
- Department of Medical and Surgical Specialties and Dentistry, University of Campania “Luigi Vanvitelli,” Napoli, Italy
| | - Annalisa Pennini
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
| | - Eleonora Piccirilli
- Department of Clinical Sciences and Translational Medicine, University of Rome “Tor Vergata,” Rome, Italy
- Department of Orthopedics and Traumatology, “Policlinico Tor Vergata” Foundation, Rome, Italy
| | - Raffaella Michieli
- Italian Society of General Medicine and Primary Care (SIMG), Florence, Italy
| | - Umberto Tarantino
- Department of Clinical Sciences and Translational Medicine, University of Rome “Tor Vergata,” Rome, Italy
- Department of Orthopedics and Traumatology, “Policlinico Tor Vergata” Foundation, Rome, Italy
| | | | - Giovanni Corrao
- Unit of Biostatistics, Epidemiology, and Public Health, Department of Statistics and Quantitative Methods, National Centre for Healthcare Research and Pharmacoepidemiology, University of Milano-Bicocca, Milan, Italy
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Liu W, Lee B, Nagamani SCS, Nicol L, Rauch F, Rush ET, Sutton VR, Orwoll E. Approach to the Patient: Pharmacological Therapies for Fracture Risk Reduction in Adults With Osteogenesis Imperfecta. J Clin Endocrinol Metab 2023; 108:1787-1796. [PMID: 36658750 PMCID: PMC10271227 DOI: 10.1210/clinem/dgad035] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 01/11/2023] [Accepted: 01/17/2023] [Indexed: 01/21/2023]
Abstract
CONTEXT Osteogenesis imperfecta (OI) is a genetic disorder characterized by increased bone fragility largely caused by defects in structure, synthesis, or post-translational processing of type I collagen. The effectiveness of medications used for fracture reduction in adults with OI is understudied and practice recommendations are not well established. Drugs currently used to improve skeletal health in OI were initially developed to treat osteoporosis. Oral and intravenous bisphosphonates have been shown to improve bone mineral density (BMD) in adults with OI and are commonly used; however, conclusive data confirming fracture protection are lacking. Similarly, teriparatide appears to increase BMD, an effect that seems to be limited to individuals with type I OI. The role of denosumab, abaloparatide, romosozumab, and estradiol/testosterone in adult OI have not been systematically studied. Anti-sclerostin agents and transforming growth factor-beta antagonists are under investigation in clinical trials. OBJECTIVE This review summarizes current knowledge on pharmacologic treatment options for reducing fracture risk in adults with OI. METHODS A PubMed online database search of all study types published in the English language using the terms "osteogenesis imperfecta," "OI," and "brittle bone disease" was performed in June 2022. Articles screened were restricted to adults. Additional sources were identified through manual searches of reference lists. CONCLUSION Fracture rates are elevated in adults with OI. Although clinical trial data are limited, bisphosphonates and teriparatide may be useful in improving BMD. Further research is needed to develop medications for adults with OI that will lead to definite fracture rate reduction.
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Affiliation(s)
- Winnie Liu
- Department of Medicine, Division of Endocrinology, Diabetes & Clinical Nutrition, Oregon Health & Science University, Portland, OR 97239, USA
| | - Brendan Lee
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA
- Texas Children's Hospital, Houston, TX 77030, USA
| | - Sandesh C S Nagamani
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA
- Texas Children's Hospital, Houston, TX 77030, USA
| | - Lindsey Nicol
- Department of Pediatrics, Division of Endocrinology, Oregon Health & Science University, Portland, OR 97239, USA
| | - Frank Rauch
- Shriners Hospital for Children, Montreal, Quebec H3G 1A6, Canada
| | - Eric T Rush
- Children's Mercy Hospital, University of Missouri-Kansas City, Kansas City, MO 64108, USA
| | - V Reid Sutton
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA
- Texas Children's Hospital, Houston, TX 77030, USA
| | - Eric Orwoll
- Department of Medicine, Division of Endocrinology, Diabetes & Clinical Nutrition, Oregon Health & Science University, Portland, OR 97239, USA
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Craven BC, Cirnigliaro CM, Carbone LD, Tsang P, Morse LR. The Pathophysiology, Identification and Management of Fracture Risk, Sublesional Osteoporosis and Fracture among Adults with Spinal Cord Injury. J Pers Med 2023; 13:966. [PMID: 37373955 DOI: 10.3390/jpm13060966] [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: 04/25/2023] [Revised: 05/26/2023] [Accepted: 06/06/2023] [Indexed: 06/29/2023] Open
Abstract
BACKGROUND The prevention of lower extremity fractures and fracture-related morbidity and mortality is a critical component of health services for adults living with chronic spinal cord injury (SCI). METHODS Established best practices and guideline recommendations are articulated in recent international consensus documents from the International Society of Clinical Densitometry, the Paralyzed Veterans of America Consortium for Spinal Cord Medicine and the Orthopedic Trauma Association. RESULTS This review is a synthesis of the aforementioned consensus documents, which highlight the pathophysiology of lower extremity bone mineral density (BMD) decline after acute SCI. The role and actions treating clinicians should take to screen, diagnose and initiate the appropriate treatment of established low bone mass/osteoporosis of the hip, distal femur or proximal tibia regions associated with moderate or high fracture risk or diagnose and manage a lower extremity fracture among adults with chronic SCI are articulated. Guidance regarding the prescription of dietary calcium, vitamin D supplements, rehabilitation interventions (passive standing, functional electrical stimulation (FES) or neuromuscular electrical stimulation (NMES)) to modify bone mass and/or anti-resorptive drug therapy (Alendronate, Denosumab, or Zoledronic Acid) is provided. In the event of lower extremity fracture, the need for timely orthopedic consultation for fracture diagnosis and interprofessional care following definitive fracture management to prevent health complications (venous thromboembolism, pressure injury, and autonomic dysreflexia) and rehabilitation interventions to return the individual to his/her pre-fracture functional abilities is emphasized. CONCLUSIONS Interprofessional care teams should use recent consensus publications to drive sustained practice change to mitigate fracture incidence and fracture-related morbidity and mortality among adults with chronic SCI.
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Affiliation(s)
- Beverley Catharine Craven
- KITE Research Institute, 520 Sutherland Dr, Toronto, ON M4G 3V9, Canada
- Faculty of Medicine, University of Toronto, Medical Sciences Building, 1 King's College Cir, Toronto, ON M5S 1A8, Canada
| | - Christopher M Cirnigliaro
- Department of Veterans Affairs Rehabilitation, Research, and Development Service, Spinal Cord Damage Research Center, Bronx, NY 10468, USA
| | - Laura D Carbone
- Department of Medicine: Rheumatology, Medical College of Georgia, Augusta University, 1120 15th St, Augusta, GA 30912, USA
| | - Philemon Tsang
- KITE Research Institute, 520 Sutherland Dr, Toronto, ON M4G 3V9, Canada
| | - Leslie R Morse
- Department of Rehabilitation Medicine, University of Minnesota, 500 Harvard St SE, Minneapolis, MN 55455, USA
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Coropciuc R, Coopman R, Garip M, Gielen E, Politis C, Van den Wyngaert T, Beuselinck B. Risk of medication-related osteonecrosis of the jaw after dental extractions in patients receiving antiresorptive agents - A retrospective study of 240 patients. Bone 2023; 170:116722. [PMID: 36858337 DOI: 10.1016/j.bone.2023.116722] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 02/16/2023] [Accepted: 02/22/2023] [Indexed: 03/03/2023]
Abstract
This study investigated the incidence, risk factors, and outcome of medication-related osteonecrosis of the jaw after dental extractions in patients receiving antiresorptive agents for osteoporosis or bone metastases. 240 patients with a median drug exposure of 43 months were retrospectively studied. The incidence of MRONJ after dental extraction in the osteoporosis cohort was 2.7 % per person-year (95 % CI 1.6-4.6 %) (n = 13/126), and for the bone metastases cohort 26.4 % per person-year (95 % CI 20.4-34.2 %) (n = 58/114). 92 % of MRONJ cases were stage 1. Dental infection as the reason for extraction increased the osteonecrosis risk in the osteoporosis (OR 22.77; 95 % CI 2.85-181.62; p = 0.003) and bone metastases cohorts (OR 2.72; 95 % CI 1.28-5.81; p = 0.010). Using leukocyte and platelet-rich fibrin reduced this risk by 84 % (p = 0.003), as did antibiotics use by 86-93 % (p = 0.013). Within the bone metastases cohort, an interval since last administration of at least 3 months reduced risk of MRONJ (OR 0.83; 95 % CI 0.72-0.97; p = 0.018). Mucosal healing occurred in 11/13 patients (84.6 %; 95 % CI 54.5-98.1 %) with osteoporosis and 31/58 patients (53.4 %; 95 % CI 40.0-66.7 %) with bone metastases. In conclusion, though the MRONJ risk in this selected population taking antiresorptive agents and presenting to the Oral Maxillofacial Surgery clinic for a dental extraction is considerable and higher in those with dental infections, preventive measures such as antibiotics and use of LRPF membranes may significantly reduce that risk.
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Affiliation(s)
- Ruxandra Coropciuc
- Department of Oral and Maxillofacial Surgery, University Hospital of Leuven, Belgium.
| | - Renaat Coopman
- Department of Oral and Maxillofacial and Plastic Surgery, University Hospital of Ghent, Belgium
| | - Melisa Garip
- Department of Oral and Maxillofacial Surgery, University Hospital of Leuven, Belgium
| | - Evelien Gielen
- Department of Geriatrics, University Hospital of Leuven, Belgium
| | - Constantinus Politis
- Department of Oral and Maxillofacial Surgery, University Hospital of Leuven, Belgium
| | | | - Benoit Beuselinck
- Department of Medical Oncology, University Hospital of Leuven, Belgium
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35
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Leonard JF, Taxel P, Kuo CL, Da Cunha Godoy L, Freilich M. Dental implant and bone augmentation treatment in bone-compromised patients: Oral health-related quality of life outcomes. J Prosthet Dent 2023:S0022-3913(23)00049-5. [PMID: 36804393 PMCID: PMC10435665 DOI: 10.1016/j.prosdent.2023.01.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 01/17/2023] [Accepted: 01/18/2023] [Indexed: 02/21/2023]
Abstract
STATEMENT OF PROBLEM Patient-reported outcomes represent an additional and often overlooked measure of dental implant and bone augmentation treatment. Few implant studies have evaluated patient-reported outcomes in those with systemic bone compromise. PURPOSE The purpose of this cohort study was to assess oral health-related quality of life (OHRQoL) outcomes in postmenopausal women receiving dental implants with normal bone density or mild osteopenia ("healthy" group; all DXA T-scores at femoral neck, total hip, and L1-L4 spine>-2.0) versus moderate osteopenia or osteoporosis ("bone compromised" group; any DXA T-score at femoral neck, total hip, or L1-L4 spine≤-2.0). MATERIAL AND METHODS A total of 115 patients were recruited at the University of Connecticut School of Dental Medicine as part of a standard of care, prospective, nonrandomized cohort study. All participants received 1 of 3 bone augmentation procedures with implant placement. At baseline and at various intervals after implant placement, OHRQoL was measured by using the Oral Health Impact Profile-14 (OHIP-14) and surveys of patient expectations and satisfaction. These measures were compared between healthy and bone compromised groups (α=.05). RESULTS For all OHRQoL measures across linear mixed effects models, no significant differences were found between bone groups at baseline and at each time point after implant placement (P>.05). Using the minimally important difference (MID) for OHIP-14, no definitive clinical differences were found in patient outcomes between bone groups at all postimplant time points (P>.05). From baseline to 24 months after implant placement, both healthy and bone compromised groups exhibited significant improvements in OHIP-14 and patient expectations scores (P<.05). While no within group differences were found in patient satisfaction scores, the mean satisfaction score remained high over time in both groups. CONCLUSIONS Patient-reported outcomes as measured through OHIP-14, patient expectations, and patient satisfaction surveys suggest similar postimplant OHRQoL improvement in healthy and bone compromised individuals. OHRQoL improvements between bone groups were similar both in continuity and in scope, with no evidence of statistically significant score differences between groups at 24 months after implant placement across all measures and with no definitive evidence of clinical differences as measured by OHIP-14 MID comparisons across all timepoints.
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Affiliation(s)
- Jonathan F Leonard
- Predoctoral Dental Student, University of Connecticut School of Dental Medicine, Farmington, Conn.
| | - Pamela Taxel
- Professor, Division of Endocrinology and Metabolism, University of Connecticut School of Medicine, Farmington, Conn
| | - Chia-Ling Kuo
- Professor, Public Health Sciences, University of Connecticut School of Medicine, Farmington, Conn
| | | | - Martin Freilich
- Professor, Department of Reconstructive Sciences, University of Connecticut School of Dental Medicine, Farmington, Conn
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Liu L, Wu D, Tu H, Cao M, Li M, Peng L, Yang J. Applications of Hydrogels in Drug Delivery for Oral and Maxillofacial Diseases. Gels 2023; 9:gels9020146. [PMID: 36826316 PMCID: PMC9956178 DOI: 10.3390/gels9020146] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 02/03/2023] [Accepted: 02/05/2023] [Indexed: 02/12/2023] Open
Abstract
Oral and maxillofacial diseases have an important impact on local function, facial appearance, and general health. As a multifunctional platform, hydrogels are widely used in the biomedical field due to their excellent physicochemical properties. In recent years, a large number of studies have been conducted to adapt hydrogels to the complex oral and maxillofacial environment by modulating their pore size, swelling, degradability, stimulus-response properties, etc. Meanwhile, many studies have attempted to use hydrogels as drug delivery carriers to load drugs, cytokines, and stem cells for antibacterial, anticancer, and tissue regeneration applications in oral and maxillofacial regions. This paper reviews the application and research progress of hydrogel-based drug delivery systems in the treatment of oral and maxillofacial diseases such as caries, endodontic diseases, periodontal diseases, maxillofacial bone diseases, mucosal diseases, oral cancer, etc. The characteristics and applications of hydrogels and drug-delivery systems employed for the treatment of different diseases are discussed in order to provide a reference for further research on hydrogel drug-delivery systems in the future.
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Affiliation(s)
- Lijia Liu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Dan Wu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Heng Tu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Mengjiao Cao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Mengxin Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Li Peng
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610065, China
| | - Jing Yang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- Correspondence:
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Colella A, Yu E, Sambrook P, Hughes T, Goss A. What is the Risk of Developing Osteonecrosis Following Dental Extractions for Patients on Denosumab for Osteoporosis? J Oral Maxillofac Surg 2023; 81:232-237. [PMID: 36442534 DOI: 10.1016/j.joms.2022.10.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 10/26/2022] [Accepted: 10/27/2022] [Indexed: 11/06/2022]
Abstract
PURPOSE Osteonecrosis of the jaws (ONJ) occurs in patients on antiresorptive drugs for osteoporosis with the risk with oral bisphosphonates being known to be of the order of 0.1 to 0.3% while the risk for patients on denosumab for osteoporosis is not known. The aim of this study was to determine the risk of developing ONJ in a consecutive series of patients on denosumab for osteoporosis having dental extractions. MATERIAL AND METHODS A prospective cohort study of patients on denosumab for osteoporosis having dental extractions in the period January 1, 2017 and June 30, 2021 were compared to a control group not on antiresorptives. Detailed demographic records including length of time on antiresorptives and CTX values were obtained. Comparison to further define risk factors was made between those patients developing ONJ to those who didn't. RESULTS The treatment group included 427 patients who were on denosumab for osteoporosis; they collectively underwent 561 episodes of dental treatment involving extractions for a total of 1081 extractions, with 10 developing ONJ (risk 2.3%). The control group consisted of 299 patients who were not taking denosumab; they collectively underwent 315 episodes of dental treatment for a total of 669 extractions, and none of them developed ONJ. There were significant differences in age and sex, but not medical comorbidities between the treatment and control groups. Within the treatment group, there were no significant differences in any of these characteristics between those who did, and those who didn't, develop ONJ. Within the treatment group, the number of extractions modified the risk of developing ONJ (odds ratio, 1.35; confidence interval, 1.1-1.7). Of the 76 patients who had extractions between 6 and 7 months after the last denosumab injection, none developed ONJ. CONCLUSIONS The risk of ONJ in patients on denosumab for osteoporosis is a magnitude greater than for patients on the oral bisphosphonates 2.3% v 0 - 0.3%, which is 7.7 times more likely. Number of extractions and early resumption of the next dose of denosumab increases the risk of ONJ.
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Affiliation(s)
- Anthony Colella
- Medical student, Medical School, The University of Adelaide, Adelaide, Australia
| | - Elaine Yu
- House Surgeon, Monash Medical Centre Clayton, Monash University, Melbourne, Australia
| | - Paul Sambrook
- Head of Unit, Oral & Maxillofacial Surgery Unit, Adelaide, South Australia, Australia
| | - Toby Hughes
- Professor and Postgraduate Coordinator, School of Dentistry, Faculty of Health Sciences, The University of Adelaide, Adelaide, South Australia, Australia
| | - Alastair Goss
- Emeritus Professor and Consultant, Oral & Maxillofacial Surgery Unit, The University of Adelaide, Adelaide, South Australia, Australia.
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Kaur K, Sun Y, Kanayama K, Morinaga K, Hokugo A, Nishimura I, Jewett A. Augmentation of IFN-γ by bone marrow derived immune cells in the presence of severe suppression of IFN-γ in gingivae induced by zoledronic acid and denosumab in Hu-BLT mice model of ONJ. Front Endocrinol (Lausanne) 2023; 14:1111627. [PMID: 36742414 PMCID: PMC9895394 DOI: 10.3389/fendo.2023.1111627] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 01/03/2023] [Indexed: 01/22/2023] Open
Abstract
Introduction The potential mechanisms governing drug induced osteonecrosis of the jaw (ONJ) is not well understood, and is one of the objectives of this study. Thus, we tested the release of IFN-γ within different immune compartments including bone marrow and gingivae upon treatment with zoledronic acid (ZOL) and denosumab which are known to induce ONJ in susceptible individuals. Methods We used humanized-BLT mouse model for the in-vivo studies reported in this paper. To determine the effects of zoledronic acid and denosumab on IFN-γ secretion and NK cell-mediated cytotoxicity; peripheral blood, bone marrow, spleen and gingiva were obtained after the injection of ZOL and denosumab in mice. Results Percentages of B cells are much higher in wild-type mice whereas the proportions of immune subsets in humans and reconstituted hu-BLT peripheral-blood are similar. Therefore, hu-BLT mice are preferable model to study human disease, in particular, immune-pathologies induced by ZOL and denosumab. Both agents resulted in a severe suppression of IFN-γ in the gingiva, whereas they heightened the release of IFN-γ and NK cell-mediated cytotoxicity by the BM-derived immune cells. ZOL increased the IFN-γ secretion by the spleen and peripheral blood immune cells, whereas denosumab decreased the release IFN-γ by these cells significantly. Discussion ZOL and denosumab may likely suppress IFN-γ secretion in gingiva through different mechanisms. In addition, to the suppression of IFN-γ secretion, denosumab mediated effect could in part be due to the decrease in the bone resorptive function of osteoclasts due to the induction of antibody dependent cellular cytotoxicity and lysis of osteoclasts, whereas ZOL is able to mediate cell death of osteoclasts directly. Suppression of IFN-gamma in gingiva is largely responsible for the inhibition of immune cell function, leading to dysregulated osteoblastic and osteoclastic activities. Restoration of IFN-gamma in the local microenvironment may result in establishment of homeostatic balance in the gingiva and prevention of osteonecrosis of jaw.
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Affiliation(s)
- Kawaljit Kaur
- Weintraub Center for Reconstructive Biotechnology, UCLA School of Dentistry, Los Angeles, CA, United States
- Division of Oral Biology and Medicine, University of California School of Dentistry, Los Angeles, CA, United States
| | - Yujie Sun
- Weintraub Center for Reconstructive Biotechnology, UCLA School of Dentistry, Los Angeles, CA, United States
- Division of Advanced Prosthodontics, University of California School of Dentistry, Los Angeles, CA, United States
| | - Keiichi Kanayama
- Weintraub Center for Reconstructive Biotechnology, UCLA School of Dentistry, Los Angeles, CA, United States
- Division of Advanced Prosthodontics, University of California School of Dentistry, Los Angeles, CA, United States
- Department of Periodontology, Asahi University School of Dentistry, Gifu, Japan
| | - Kenzo Morinaga
- Weintraub Center for Reconstructive Biotechnology, UCLA School of Dentistry, Los Angeles, CA, United States
- Division of Advanced Prosthodontics, University of California School of Dentistry, Los Angeles, CA, United States
- Department of Oral Rehabilitation, Fukuoka Dental College, Fukuoka, Japan
| | - Akishige Hokugo
- Weintraub Center for Reconstructive Biotechnology, UCLA School of Dentistry, Los Angeles, CA, United States
- Division of Plastic Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA, United States
| | - Ichiro Nishimura
- Weintraub Center for Reconstructive Biotechnology, UCLA School of Dentistry, Los Angeles, CA, United States
- Division of Oral Biology and Medicine, University of California School of Dentistry, Los Angeles, CA, United States
- Division of Advanced Prosthodontics, University of California School of Dentistry, Los Angeles, CA, United States
| | - Anahid Jewett
- Weintraub Center for Reconstructive Biotechnology, UCLA School of Dentistry, Los Angeles, CA, United States
- Division of Oral Biology and Medicine, University of California School of Dentistry, Los Angeles, CA, United States
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Zhuang Q, Chen S, Zhang W, Gu M, Xiao L, Li Y, Yang Y, Feng C, Li H, Geng D, Wang Z. Avicularin Alleviates Osteoporosis in Ovariectomized Mice by Inhibiting Osteoclastogenesis through NF-κB Pathway Inhibition. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:411-420. [PMID: 36540936 PMCID: PMC9838558 DOI: 10.1021/acs.jafc.2c05954] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 12/07/2022] [Accepted: 12/08/2022] [Indexed: 06/17/2023]
Abstract
Osteoporosis (OP) is mainly manifested by bone loss and bone degeneration. OP is considered a risk factor for pathological fractures, as well as impacts the health of middle-aged and elderly individuals. Drug therapy remains the main treatment scheme for OP; however, its efficacy is limited and has been associated with serious side effects. Therefore, it is important to develop new, effective, and safe treatment methods for OP. Avicularin (AL) is a flavonoid and quercetin derivative from various plants. Our study showed that AL disrupts osteoclast activation and resorptive function via inhibition of the RANKL-induced osteoclast differentiation together with the resorption capacity of bone marrow-derived macrophages (BMMs). Hence, AL prevents the activation and resorptive activity of osteoclasts. The results of qPCR showed that genes related to osteoclasts exhibited downregulated expression after AL treatment. Furthermore, AL inhibited RANKL-induced phosphorylation as well as degradation of the inhibitor IκBα of the NF-κB pathway, together with P65 phosphorylation in BMMs. We used an OP mouse model that was established by ovariectomy (OVX). Relative to untreated OP mice, mice that received AL treatment showed a significant increase in bone mineral density; however, the expression of TRAP, NFATC1, mmp9, and CTX-1 was significantly reduced. These results indicate that AL disrupts osteoclastogenesis via inhibition of the NF-κB pathway, which in turn improves OVX-induced OP.
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Affiliation(s)
- Qi Zhuang
- Translational
Medical Innovation Center, Zhangjiagang
TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang 215600, China
| | - Shuangshuang Chen
- Translational
Medical Innovation Center, Zhangjiagang
TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang 215600, China
| | - Wei Zhang
- Department
of Orthopedics, The First Affiliated Hospital
of Soochow University, Suzhou 215006, China
| | - Minhui Gu
- Translational
Medical Innovation Center, Zhangjiagang
TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang 215600, China
| | - Long Xiao
- Translational
Medical Innovation Center, Zhangjiagang
TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang 215600, China
- Department
of Orthopedics, The First Affiliated Hospital
of Soochow University, Suzhou 215006, China
- Department
of Orthopedics, Zhangjiagang TCM Hospital
Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang 215600, China
| | - Yajun Li
- Translational
Medical Innovation Center, Zhangjiagang
TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang 215600, China
- Department
of Orthopedics, Zhangjiagang TCM Hospital
Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang 215600, China
| | - Yunshang Yang
- Translational
Medical Innovation Center, Zhangjiagang
TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang 215600, China
- Department
of Orthopedics, Zhangjiagang TCM Hospital
Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang 215600, China
| | - Chengcheng Feng
- Translational
Medical Innovation Center, Zhangjiagang
TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang 215600, China
| | - Hong Li
- Translational
Medical Innovation Center, Zhangjiagang
TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang 215600, China
| | - Dechun Geng
- Department
of Orthopedics, The First Affiliated Hospital
of Soochow University, Suzhou 215006, China
| | - Zhirong Wang
- Translational
Medical Innovation Center, Zhangjiagang
TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang 215600, China
- Department
of Orthopedics, Zhangjiagang TCM Hospital
Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang 215600, China
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van Broekhoven DL, Dootjes LW, van der Veldt A, Zillikens C, van Oldenrijk J. Effect of Bisphosphonates on Skeletal Related Events in Long Bone Metastases of Renal Cell Carcinoma: A Systematic Review. Clin Genitourin Cancer 2023; 21:e190-e197. [PMID: 36707394 DOI: 10.1016/j.clgc.2022.12.010] [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: 09/24/2022] [Revised: 12/24/2022] [Accepted: 12/29/2022] [Indexed: 01/06/2023]
Abstract
Bone metastases (BMs) in patients with renal cell carcinoma (RCC) are lytic lesions which are prone to skeletal related events (SREs) such as (pending) pathological fractures or bone pain requiring radiotherapy or surgery. The aim of this review is to assess whether the use of bisphosphonates in patients with RCC and BMs in the long bones results in reduced SRE rate. A systematic review of literature was conducted, using PubMed, Embase, Medline, Web of Science, Cochrane, and Google Scholar (date 1971 till June 2021). All clinical studies on bisphosphonates in patients with RCC and BMs in long bones were retrieved. Primary outcome measure was SRE rate of BMs in long bones. Secondary outcome was fracture rate of BMs in long bones. Fourteen relevant articles were selected. Bisphosphonates reduced the mean skeletal morbidity rate by 0.4-0.95 SREs/year and had a pooled SRE rate of 38.3% (95% confidence interval [CI] 28.4%-49.3%). When bisphosphonates were added to radiotherapy the pooled SRE rate was 18.4% (95% CI, 10.5%-30.3%). In addition, pooled effect sizes showed a significant SRE risk reduction (RR 0.45, 95% CI, 0.24-0.85) in the bisphosphonates combined with radiotherapy group. There was limited reported data on rate of pathological fractures. In general, bisphosphonates reduce the SRE rate in RCC patients with BMs. The level of evidence for the effect of bisphosphonates on the rate of pathological fractures in patients with long BMs of RCC is low.
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Affiliation(s)
| | - Lisa W Dootjes
- Department of Orthopaedics and Sports Medicine, Erasmus Medical Centre, Rotterdam, the Netherlands
| | - Astrid van der Veldt
- Departments of Medical Oncology and Radiology & Nuclear Medicine, Erasmus Medical Centre, Rotterdam, the Netherlands
| | - Carola Zillikens
- Department of Internal Medicine, Erasmus Medical Centre, Rotterdam, the Netherlands
| | - Jakob van Oldenrijk
- Department of Orthopaedics and Sports Medicine, Erasmus Medical Centre, Rotterdam, the Netherlands
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Lopes MG, Tosi G, McNaught KA, Morris JS. Retrospective assessment of tolerability and efficacy of zoledronate in the palliative treatment of cancer-bearing dogs. Aust Vet J 2023; 101:58-64. [PMID: 36385598 PMCID: PMC10099811 DOI: 10.1111/avj.13218] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 10/03/2022] [Accepted: 11/04/2022] [Indexed: 11/18/2022]
Abstract
Zoledronate is a bisphosphonate frequently used for the treatment of hypercalcaemia of malignancy and tumour-associated bone pain in dogs, however, there is a paucity of information regarding its use in veterinary medicine. The aim of this retrospective study was to report the tolerability of zoledronate in the palliative treatment of cancer-bearing dogs and secondarily to to assess the efficacy of zoledronate for the treatment of hypercalcaemia of malignancy. Thirty-seven dogs (22 with tumour-associated bone pain and 15 with hypercalcaemia of malignancy) that received 114 zoledronate infusions were included. Tolerability was assessed by the absence of post-zoledronate hypocalcaemia or other adverse events as defined by Veterinary Cooperative Oncology Group-Common Terminology Criteria for Adverse Events criteria. Efficacy was assessed by comparison of available ionized calcium levels before and after zoledronate administration in hypercalcaemic dogs. In 79% of zoledronate infusions, no adverse events were reported. The majority of adverse events which occurred in the other 21% of infusions could be attributed to concurrent chemotherapy or the underlying neoplastic disease. There was a small but significant increase in creatinine following treatment with zoledronate, however, none of the dogs developed clinically significant renal disease. In eight hypercalcaemic dogs with available ionized calcium following zoledronate administration, ionized calcium decreased rapidly within 7 days following treatment with zoledronate. Zoledronate is well-tolerated with few recorded adverse events, however, monitoring of serum creatinine is advised. Zoledronate seems to be effective in the treatment of hypercalcaemia of malignancy.
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Affiliation(s)
- M G Lopes
- School of Veterinary Medicine, Small Animal Hospital, College of Medical, Veterinary, and Life Sciences, University of Glasgow, Glasgow, UK
| | - G Tosi
- School of Veterinary Medicine, Small Animal Hospital, College of Medical, Veterinary, and Life Sciences, University of Glasgow, Glasgow, UK
| | - K A McNaught
- School of Veterinary Medicine, Small Animal Hospital, College of Medical, Veterinary, and Life Sciences, University of Glasgow, Glasgow, UK
| | - J S Morris
- School of Veterinary Medicine, Small Animal Hospital, College of Medical, Veterinary, and Life Sciences, University of Glasgow, Glasgow, UK
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Lessons learned from long-term side effects after zoledronic acid infusion following denosumab treatment: a case report and review of the literature. J Med Case Rep 2022; 16:473. [PMID: 36522673 PMCID: PMC9754987 DOI: 10.1186/s13256-022-03695-y] [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: 09/18/2022] [Accepted: 11/26/2022] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Zoledronic acid is an intravenous, highly potent aminobisphosphonate for use in patients with primary or secondary osteoporosis. Zoledronic acid-induced prolonged side-effects are well known and quite common. However, severe side-effects can be a threat to life. We report a case of severe side-effects induced by zoledronic acid infusion, and its positive effect on long-term back pain. CASE PRESENTATION In 2012, a 62-year-old white native Finnish woman was operated on for an estrogen and progesterone receptor-positive breast cancer. After radiotherapy, an aromatase inhibitor (letrozole) was started. Nine months after the operation, the patient suffered a low-energy compression fracture of Th XII. She received denosumab to prevent fragility fractures and to improve bone mineral density. Letrozole was discontinued after 5.5 years, and the last denosumab injection was given after 7 years. Six months later, at the age of 71 years, the patient received a single intravenous zoledronic acid infusion. Suddenly, at 10 hours from the infusion, she complained of severe trismus, muscle twitching, spasms, and tingling, matching hypocalcemia and several other symptoms. Her serum 25-hydroxyvitamin D concentration was high (163 nmol/L), the concentration of serum calcium and calcium-ion was normal (2.32 mmol/L and 1.23 mmol/L, respectively). However, the neutrophil to lymphocyte ratio (NLR) was low (1.6). A complete recovery took 2 months. Zoledronic acid infusion also had a positive effect: for many years, the patient had suffered low back pain and strain, which came to an end after this single infusion. CONCLUSION It is important that the potential patients receive sufficient information about the possibility of side-effects following the administration of intravenous zoledronic acid. To ensure that a zoledronic acid infusion is given as safely as possible, the safety information should include that the patient should not be left without monitoring for a minimum 24 hours after the infusion. Being alone and experiencing serious side-effects may lead to acute cardiac problems. Furthermore, the chronic low back pain and strain that our patient suffered for many years has clearly reduced for 16 months after infusion, so far. We conclude that this is a positive effect of zoledronic acid.
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Liu J, Ding S, Yang L, Zhao X, Ren R, Wang Y, Su C, Chen J, Ma X. Integration of pharmacodynamics and metabolomics reveals the therapeutic effects of 6-acetylacteoside on ovariectomy-induced osteoporosis mice. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 106:154399. [PMID: 36057143 DOI: 10.1016/j.phymed.2022.154399] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Revised: 06/30/2022] [Accepted: 08/17/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND 6-acetylacteoside (6-AA) is a phenylethanoid glycoside isolated from Cistanche deserticola which had been previously proven to possess anti-osteoporotic activity previously. Currently, it is still unknown whether 6-AA plays a crucial role on the anti-osteoporotic effects of C. deserticola. PURPOSE To elucidate the therapeutic effect and mechanism of 6-AA on osteoporosis by employing an ovariectomized mouse model in vivo and RAW264.7 cells in vitro. METHODS Sixty female ICR mice were randomly assigned into six groups: sham-operated control group (SHAM, vehicle), ovariectomized model group (OVX, vehicle), positive group (EV, 1 mg/kg/day of estradiol valerate), low dosage (10 mg/kg/day of 6-AA), medium dosage (20 mg/kg/day of 6-AA) and high dosage (40 mg/kg/day of 6-AA) treatment groups. All substances were administered daily by intragastric gavage. After 12 weeks of intervention, trabecular bone microarchitecture was estimated and bone biomechanics were determined. Bone formation and resorption factors were determined by using the corresponding Elisa kits. The related proteins and metabolites were estimated by using western-blot and metabolomics techniques. RESULTS OVX mice demonstrated significant atrophy of the uterine and vagina, declined biomechanical parameters such as flexural strength and maximum load, deteriorated trabecular bone microarchitecture such as decreased BMD, BMC, TMC, TMD, BVF, Tb. N, and Tb. Th and increased Tb. Sp, as well as increased bone resorption factors such as TRAP, cathepsin K, and DPD, all after 12 weeks of ovariectomy operation. Following administration of 6-AA to OVX mice, parameters related to the bone microarchitecture, bone resorption activities as well as biomechanical properties were all significantly improved. Meanwhile, the levels of NF-κB, NFATc1, RANK, RANKL and TRAF6 were significantly downregulated, while OPG, PI3K and AKT were upregulated after 6-AA intervention. This indicates that, 6-AA could prevent bone resorption by regulating the RANKL/RANK/OPG mediated NF-κB and PI3K/AKT pathways. Furthermore, 26 different metabolites corresponding to 25 metabolic pathways were identified, and 5 of which were related to the formation of osteoporosis. Interestingly, 23 abnormal metabolites were recovered after 6-AA treatment. CONCLUSION Our results revealed the significant anti-osteoporotic effects of 6-AA on ovariectomized mice which were probably exerted via suppression of osteoclast formation and bone resorption.
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Affiliation(s)
- Jingjing Liu
- School of Pharmacy, Ningxia Medical University, Key Laboratory of Ningxia Ethnomedicine Modernization, Ministry of Education, 1160 Shenli Street, Yinchuan, 750004, China; School of Pharmacy, Lanzhou University, 222 Tianshui South Road, Lanzhou, 730000, China
| | - Shuqin Ding
- School of Pharmacy, Ningxia Medical University, Key Laboratory of Ningxia Ethnomedicine Modernization, Ministry of Education, 1160 Shenli Street, Yinchuan, 750004, China
| | - Lingling Yang
- School of Pharmacy, Ningxia Medical University, Key Laboratory of Ningxia Ethnomedicine Modernization, Ministry of Education, 1160 Shenli Street, Yinchuan, 750004, China
| | - Xiaojun Zhao
- School of Pharmacy, Ningxia Medical University, Key Laboratory of Ningxia Ethnomedicine Modernization, Ministry of Education, 1160 Shenli Street, Yinchuan, 750004, China
| | - Ruru Ren
- School of Pharmacy, Ningxia Medical University, Key Laboratory of Ningxia Ethnomedicine Modernization, Ministry of Education, 1160 Shenli Street, Yinchuan, 750004, China
| | - Yingli Wang
- School of Pharmacy, Ningxia Medical University, Key Laboratory of Ningxia Ethnomedicine Modernization, Ministry of Education, 1160 Shenli Street, Yinchuan, 750004, China
| | - Chao Su
- School of Pharmacy, Ningxia Medical University, Key Laboratory of Ningxia Ethnomedicine Modernization, Ministry of Education, 1160 Shenli Street, Yinchuan, 750004, China
| | - Jianyu Chen
- Fujian University of Traditional Chinese Medicine, No. 1, Huatuo Road, Minhoushangjie, Fuzhou, 350122, China.
| | - Xueqin Ma
- School of Pharmacy, Ningxia Medical University, Key Laboratory of Ningxia Ethnomedicine Modernization, Ministry of Education, 1160 Shenli Street, Yinchuan, 750004, China.
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Peng J, Wang H, Liu Z, Xu ZL, Wang MX, Chen QM, Wu ML, Ren XL, Liang QH, Liu FP, Ban B. Real-world study of antiresorptive-related osteonecrosis of jaw based on the US food and drug administration adverse event reporting system database. Front Pharmacol 2022; 13:1017391. [PMID: 36339548 PMCID: PMC9627332 DOI: 10.3389/fphar.2022.1017391] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Accepted: 10/10/2022] [Indexed: 08/24/2023] Open
Abstract
Objective: This study aims to explore the risk signals of osteonecrosis of the jaw induced by antiresorptive drugs and provide references for the clinical safety application. Method: According to the FDA's Adverse Event Reporting System (FAERS), from January 2004 to September 2021, we chose "Osteonecrosis of the jaw (10064658)" and "Exposed bone in jaw (10071014)" as preferred terms, "antiresorptive drugs" as the target drugs, and primary suspect drug as the drug role code in the dataset. We evaluated the association between drugs and adverse events by using reporting odds ratio (ROR) based on disproportionality analysis. We took the High-Level Terms (HLT) of MedDRA® as the classification level of indications to calculate ROR to compare the signal difference of ONJ in different indications. In addition, patients with antiresorptive-induced osteonecrosis of the jaw and the time of onset of the condition following different antiresorptive medications were collected for the study. Results: The FAERS contained 18,421 reports relating to jaw osteonecrosis from January 2004 to September 2021. A total of eight antiresorptive agents were included in the analysis. From high to low, the ROR of ONJ induced by antiresorptive agents (regardless of indication) is pamidronate (ROR = 494.8), zoledronic acid (ROR = 431.9), denosumab (ROR = 194.8), alendronate (ROR = 151.2), risedronate (ROR = 140.2), etidronic acid (ROR = 64.5), ibandronate (ROR = 40.8), and romosozumab (ROR = 6.4). HLT ROR values for "metabolic bone disorders" were the lowest for each drug, while HLT ROR values were high for "tumor-related indications," including breast and nipple neoplasms malignant, plasma cell myelomas, and prostatic neoplasms malignant. The onset time for osteonecrosis of the jaw as median (Q1, Q3), osteoporosis-related indications, and the onset time for ONJ were 730 (368, 1268), 489.5 (236.3, 909.8), 722.5 (314, 1055), 761 (368, 1720), and 153 (50, 346) for zoledronic acid, denosumab, ibandronate, risedronate, and romosozumab, respectively. Cancer-related indications: the onset time for ONJ were 680.5 (255.3, 1283), 488 (245, 851), and 696.5 (347, 1087) for zoledronic acid, denosumab, and pamidronate, respectively. Conclusion: When antiresorptive drugs are used for metastasis, they have the largest risk signal, followed by malignancy, and the smallest is osteoporosis. The onset time of ONJ may not be related to the indications. The onset time of ONJ for BPs was about 2 years, denosumab about 1.3 years, and romosozumab less than 1 year, which may be related to sequential treatment. When used according to the instructions, the risk of ONJ caused by denosumab was higher than that of zoledronic acid, regardless of the indication. Based on these findings, researchers will continue to monitor and identify risk factors.
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Affiliation(s)
- Jing Peng
- Department of Pharmacy, Affiliated Hospital of Jining Medical University, Jining, Shandong, China
| | - Hui Wang
- Department of Pharmacy, Affiliated Hospital of Jining Medical University, Jining, Shandong, China
| | - Zhen Liu
- Department of Pharmacy, Affiliated Hospital of Jining Medical University, Jining, Shandong, China
| | - Zhen-Liang Xu
- Pharmacy Intravenous Admixture Services, Affiliated Hospital of Jining Medical University, Jining, Shandong, China
| | - Mei-Xia Wang
- Department of Pharmacy, Affiliated Hospital of Jining Medical University, Jining, Shandong, China
| | - Qi-Miao Chen
- High-School Student, Grade 10, Jining Haida Xingzhi School, Jining, Shandong, China
| | - Ming-Li Wu
- Department of Pharmacy, Affiliated Hospital of Jining Medical University, Jining, Shandong, China
| | - Xiao-Lei Ren
- Department of Endocrinology, Affiliated Hospital of Jining Medical University, Jining, Shandong, China
| | - Qiu-Hua Liang
- Department of Endocrinology, Affiliated Hospital of Jining Medical University, Jining, Shandong, China
| | - Fu-Peng Liu
- Department of Endocrinology, Affiliated Hospital of Jining Medical University, Jining, Shandong, China
| | - Bo Ban
- Department of Endocrinology, Affiliated Hospital of Jining Medical University, Jining, Shandong, China
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Hu L, Napoletano A, Provenzano M, Garofalo C, Bini C, Comai G, La Manna G. Mineral Bone Disorders in Kidney Disease Patients: The Ever-Current Topic. Int J Mol Sci 2022; 23:12223. [PMID: 36293076 PMCID: PMC9603742 DOI: 10.3390/ijms232012223] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Revised: 10/07/2022] [Accepted: 10/10/2022] [Indexed: 02/08/2023] Open
Abstract
Chronic kidney disease (CKD) is a complex and multifactorial disease, and one of the most prevalent worldwide. Chronic kidney disease-mineral bone disorders (CKD-MBD) with biochemical and hormonal alterations are part of the complications associated with the progression of CKD. Pathophysiology of CKD-MBD focused on abnormalities in serum levels of several biomarkers (such as FGF-23, klotho, phosphate, calcium, vitamin D, and PTH) which are discussed in this review. We therefore examine the prognostic association between CKD-MBD and the increased risk for cardiovascular events, mortality, and CKD progression to end-stage kidney disease (ESKD). Lastly, we present specific treatments acting on CKD to prevent and treat the complications associated with secondary hyperparathyroidism (SHPT): control of hyperphosphatemia (with dietary restriction, intestinal phosphate binders, and adequate dialysis), the use of calcimimetic agents, vitamin D, and analogues, and the use of bisphosphonates or denosumab in patients with osteoporosis.
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Affiliation(s)
- Lilio Hu
- Nephrology, Dialysis and Renal Transplant Unit, IRCCS—Azienda Ospedaliero-Universitaria di Bologna, Alma Mater Studiorum University of Bologna, 40126 Bologna, Italy
| | - Angelodaniele Napoletano
- Nephrology, Dialysis and Renal Transplant Unit, IRCCS—Azienda Ospedaliero-Universitaria di Bologna, Alma Mater Studiorum University of Bologna, 40126 Bologna, Italy
| | - Michele Provenzano
- Nephrology, Dialysis and Renal Transplant Unit, IRCCS—Azienda Ospedaliero-Universitaria di Bologna, Alma Mater Studiorum University of Bologna, 40126 Bologna, Italy
| | - Carlo Garofalo
- Renal Unit, University of Campania “L. Vanvitelli’’, 80138 Naples, Italy
| | - Claudia Bini
- Nephrology, Dialysis and Renal Transplant Unit, IRCCS—Azienda Ospedaliero-Universitaria di Bologna, Alma Mater Studiorum University of Bologna, 40126 Bologna, Italy
| | - Giorgia Comai
- Nephrology, Dialysis and Renal Transplant Unit, IRCCS—Azienda Ospedaliero-Universitaria di Bologna, Alma Mater Studiorum University of Bologna, 40126 Bologna, Italy
| | - Gaetano La Manna
- Nephrology, Dialysis and Renal Transplant Unit, IRCCS—Azienda Ospedaliero-Universitaria di Bologna, Alma Mater Studiorum University of Bologna, 40126 Bologna, Italy
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LeBoff MS, Greenspan SL, Insogna KL, Lewiecki EM, Saag KG, Singer AJ, Siris ES. The clinician's guide to prevention and treatment of osteoporosis. Osteoporos Int 2022; 33:2049-2102. [PMID: 35478046 PMCID: PMC9546973 DOI: 10.1007/s00198-021-05900-y] [Citation(s) in RCA: 322] [Impact Index Per Article: 161.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Accepted: 02/19/2021] [Indexed: 12/16/2022]
Abstract
Osteoporosis is the most common metabolic bone disease in the USA and the world. It is a subclinical condition until complicated by fracture(s). These fractures place an enormous medical and personal burden on individuals who suffer from them and take a significant economic toll. Any new fracture in an adult aged 50 years or older signifies imminent elevated risk for subsequent fractures, particularly in the year following the initial fracture. What a patient perceives as an unfortunate accident may be seen as a sentinel event indicative of bone fragility and increased future fracture risk even when the result of considerable trauma. Clinical or subclinical vertebral fractures, the most common type of osteoporotic fractures, are associated with a 5-fold increased risk for additional vertebral fractures and a 2- to 3-fold increased risk for fractures at other sites. Untreated osteoporosis can lead to a vicious cycle of recurrent fracture(s), often resulting in disability and premature death. In appropriate patients, treatment with effective antifracture medication prevents fractures and improves outcomes. Primary care providers and medical specialists are critical gatekeepers who can identify fractures and initiate proven osteoporosis interventions. Osteoporosis detection, diagnosis, and treatment should be routine practice in all adult healthcare settings. The Bone Health and Osteoporosis Foundation (BHOF) - formerly the National Osteoporosis Foundation - first published the Clinician's Guide in 1999 to provide accurate information on osteoporosis prevention and treatment. Since that time, significant improvements have been made in diagnostic technologies and treatments for osteoporosis. Despite these advances, a disturbing gap persists in patient care. At-risk patients are often not screened to establish fracture probability and not educated about fracture prevention. Most concerning, the majority of highest risk women and men who have a fracture(s) are not diagnosed and do not receive effective, FDA-approved therapies. Even those prescribed appropriate therapy are unlikely to take the medication as prescribed. The Clinician's Guide offers concise recommendations regarding prevention, risk assessment, diagnosis, and treatment of osteoporosis in postmenopausal women and men aged 50 years and older. It includes indications for bone densitometry as well as fracture risk thresholds for pharmacologic intervention. Current medications build bone and/or decrease bone breakdown and dramatically reduce incident fractures. All antifracture therapeutics treat but do not cure the disease. Skeletal deterioration resumes sooner or later when a medication is discontinued-sooner for nonbisphosphonates and later for bisphosphonates. Even if normal BMD is achieved, osteoporosis and elevated risk for fracture are still present. The diagnosis of osteoporosis persists even if subsequent DXA T-scores are above - 2.5. Ongoing monitoring and strategic interventions will be necessary if fractures are to be avoided. In addition to pharmacotherapy, adequate intake of calcium and vitamin D, avoidance of smoking and excessive alcohol intake, weight-bearing and resistance-training exercise, and fall prevention are included in the fracture prevention armamentarium. Where possible, recommendations in this guide are based on evidence from RCTs; however, relevant published data and guidance from expert clinical experience provides the basis for recommendations in those areas where RCT evidence is currently deficient or not applicable to the many osteoporosis patients not considered for RCT participation due to age and morbidity.
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Affiliation(s)
- M. S. LeBoff
- Brigham and Women’s Hospital, Harvard Medical School, 221 Longwood Ave, Boston, MA 02115 USA
| | - S. L. Greenspan
- University of Pittsburgh Medical Center, 1110 Kaufmann Building, 3471 Fifth Ave, Pittsburgh, PA 15213 USA
| | - K. L. Insogna
- Yale School of Medicine, 333 Cedar St, New Haven, CT 06520 USA
| | - E. M. Lewiecki
- University of New Mexico Health Sciences Center, 300 Oak St NE, Albuquerque, NM 87106 USA
| | - K. G. Saag
- University of Alabama at Birmingham, 1720 2nd Avenue South, FOT 820, Birmingham, AL 35294 USA
| | - A. J. Singer
- MedStar Georgetown University Hospital and Georgetown University Medical Center, 3800 Reservoir Road NW, 3rd Floor, Washington, DC 20007 USA
| | - E. S. Siris
- Columbia University Irving Medical Center, 180 Fort Washington Ave, Suite 9-903, New York, NY 10032 USA
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Age-Related Low Bone Mineral Density in C57BL/6 Mice Is Reflective of Aberrant Bone Morphogenetic Protein-2 Signaling Observed in Human Patients Diagnosed with Osteoporosis. Int J Mol Sci 2022; 23:ijms231911205. [PMID: 36232525 PMCID: PMC9570292 DOI: 10.3390/ijms231911205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Revised: 09/11/2022] [Accepted: 09/21/2022] [Indexed: 11/23/2022] Open
Abstract
Osteoporosis (OP) is a bone disorder characterized by decreased bone mineral density (BMD). Bone Morphogenetic Protein-2 (BMP-2) injections are used to promote bone formation in OP patients. However, patients are unresponsive to BMP-2 while displaying an upregulation of BMP Receptor Type 1a (BMPRIa) and protein kinase CK2α (CK2α). A synthetically produced peptide named casein kinase 2.3 (CK2.3) utilizes the BMP-signaling pathway as it enhances osteogenesis of primary osteoblasts isolated from OP patients, whereas BMP-2 does not. Although shown in OP patients, there is currently no reliable mouse model to study BMP-2 and CK2.3 signaling. In this publication, we show that BMPRIa was required for CK2.3-mediated osteogenesis in C2C12 cells with a CRISPR-Cas9-mediated gene knockout for BMPRIa. We utilized the C57BL/6 (B6) mouse strain as an aging-model to study aberrant BMP-2 signaling, demonstrating that, like OP patients, in 15 and 20-month mice, BMP-2 did not increase bone growth and displayed upregulated BMPRIa and CK2α protein expression. Furthermore, CK2.3 enhanced osteogenesis and decreased osteoclastogenesis in all age groups, whereas BMP-2 only increased mineralization in 6-month mice while increasing osteoclast formation in all age groups. These data demonstrated that aging B6 mice were a reliable model and mimicked data obtained from OP patients.
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Osteoporosis and Fragility Fractures: currently available pharmacological options and future directions. Best Pract Res Clin Rheumatol 2022; 36:101780. [PMID: 36163230 DOI: 10.1016/j.berh.2022.101780] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Osteoporosis is a systemic skeletal disease characterized by low bone mass and microarchitectural deterioration of bone tissue, with a consequent increase in bone fragility and susceptibility to fracture. The average lifetime risk of a 50-year-old woman to suffer a fracture of the spine, hip, proximal humerus, or distal forearm has been estimated at close to 50%. In general, pharmacological treatment is recommended in patients who suffered a fragility fracture because their risk of suffering a subsequent fracture is increased dramatically. Therefore, many guidelines recommend pharmacological treatment in patients without a prevalent fracture if their fracture probability is comparable to or higher than that of a person of the same age with a prevalent fracture. The present review aims to highlight currently available pharmacological treatment options and their antifracture efficacy including safety aspects. Drug classes discussed comprise bisphosphonates, selective estrogen receptor modulators, parathyroid hormone peptides and derivatives, humanized monoclonal antibodies, and estrogens and gestagens and their combinations. Furthermore, a brief glimpse is provided into a potentially promising treatment option that involves mesenchymal stem cells.
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Zhang Y, Liu W, Yuan W, Cai Z, Ye G, Zheng G, Xu C, Wang X, Zeng C, Mi R, Feng P, Chen F, Wu Y, Shen H, Wang P. Impairment of APPL1/Myoferlin facilitates adipogenic differentiation of mesenchymal stem cells by blocking autophagy flux in osteoporosis. Cell Mol Life Sci 2022; 79:488. [PMID: 35984564 PMCID: PMC9391247 DOI: 10.1007/s00018-022-04511-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 07/21/2022] [Accepted: 08/02/2022] [Indexed: 11/30/2022]
Abstract
An imbalance of human mesenchymal stem cells (hMSCs) adipogenic and osteogenic differentiation is crucial in the pathogenesis of osteoporosis, and elucidation of the underlying mechanism is urgently needed. APPL1, an adaptor protein of the adiponectin receptor, was recently shown to be closely related to bone mass. However, the role of APPL1 in the imbalance of hMSC differentiation in osteoporosis is unclear. Therefore, we aimed to explore the mechanisms by which APPL1 alters hMSCs adipogenic differentiation in osteoporosis. Here, we found that APPL1 expression was downregulated in elderly patients with osteoporosis and in mouse osteoporosis model. APPL1 negatively regulated hMSC adipogenic differentiation in vivo and in vitro. Mechanistically, by enhancing ubiquitination-mediated Myoferlin degradation, downregulated APPL1 expression increased the risk of lysosome dysfunction during hMSCs adipogenic differentiation. Lysosomal dysfunction inhibited autophagy flux by suppressing autophagosome degradation and promoted hMSC differentiation towards the adipocyte lineage. Our findings suggest that APPL1/Myoferlin downregulation promoted hMSCs adipogenic differentiation by inhibiting autophagy flux, further impairing the balance of hMSCs adipogenic and osteogenic differentiation in osteoporosis; the APPL1/ Myoferlin axis may be a promising diagnostic and therapeutic target for osteoporosis.
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Affiliation(s)
- Yunhui Zhang
- Department of Orthopedics, The Eighth Affiliated Hospital, Sun Yat-Sen University, 3025# Shennan Road, Shenzhen, 518000, People's Republic of China
| | - Wenjie Liu
- Department of Orthopedics, The Eighth Affiliated Hospital, Sun Yat-Sen University, 3025# Shennan Road, Shenzhen, 518000, People's Republic of China
| | - Weiquan Yuan
- Department of Orthopedics, The Eighth Affiliated Hospital, Sun Yat-Sen University, 3025# Shennan Road, Shenzhen, 518000, People's Republic of China
| | - Zhaopeng Cai
- Department of Orthopedics, The Eighth Affiliated Hospital, Sun Yat-Sen University, 3025# Shennan Road, Shenzhen, 518000, People's Republic of China
| | - Guiwen Ye
- Department of Orthopedics, The Eighth Affiliated Hospital, Sun Yat-Sen University, 3025# Shennan Road, Shenzhen, 518000, People's Republic of China
| | - Guan Zheng
- Department of Orthopedics, The Eighth Affiliated Hospital, Sun Yat-Sen University, 3025# Shennan Road, Shenzhen, 518000, People's Republic of China
| | - Chenhao Xu
- Department of Orthopedics, The Eighth Affiliated Hospital, Sun Yat-Sen University, 3025# Shennan Road, Shenzhen, 518000, People's Republic of China
| | - Xinglang Wang
- Department of Orthopedics, The Eighth Affiliated Hospital, Sun Yat-Sen University, 3025# Shennan Road, Shenzhen, 518000, People's Republic of China
| | - Chenying Zeng
- Center for Biotherapy, The Eighth Affiliated Hospital, Sun Yat-Sen University, 3025# Shennan Road, Shenzhen, 518000, People's Republic of China
| | - Rujia Mi
- Center for Biotherapy, The Eighth Affiliated Hospital, Sun Yat-Sen University, 3025# Shennan Road, Shenzhen, 518000, People's Republic of China
| | - Pei Feng
- Center for Biotherapy, The Eighth Affiliated Hospital, Sun Yat-Sen University, 3025# Shennan Road, Shenzhen, 518000, People's Republic of China
| | - Fenglei Chen
- Department of Orthopedics, The Eighth Affiliated Hospital, Sun Yat-Sen University, 3025# Shennan Road, Shenzhen, 518000, People's Republic of China
| | - Yanfeng Wu
- Center for Biotherapy, The Eighth Affiliated Hospital, Sun Yat-Sen University, 3025# Shennan Road, Shenzhen, 518000, People's Republic of China.
| | - Huiyong Shen
- Department of Orthopedics, The Eighth Affiliated Hospital, Sun Yat-Sen University, 3025# Shennan Road, Shenzhen, 518000, People's Republic of China.
| | - Peng Wang
- Department of Orthopedics, The Eighth Affiliated Hospital, Sun Yat-Sen University, 3025# Shennan Road, Shenzhen, 518000, People's Republic of China.
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The 100 most cited papers on bone metastasis: A bibliometric analysis. J Bone Oncol 2022; 35:100443. [PMID: 35815184 PMCID: PMC9263529 DOI: 10.1016/j.jbo.2022.100443] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Revised: 06/26/2022] [Accepted: 06/26/2022] [Indexed: 12/20/2022] Open
Abstract
Citations per article in the most 100 top cited articles ranged from 357 to 2167. The leading country was USA, Canada, and United Kingdom. Clinical management of bone metastasis from different malignancy origins. Intense collaborative activity between countries and institutions was obvious between the selected papers.
Background Over the past few decades, a vast number of articles focused on bone metastasis have been published. Bibliometric analysis is helpful to determine the qualities and characteristics and to reveal the influential articles in this field. Methods All the databases in Web of Science were utilized to identify articles published from 1961 to 2020. The top 100 most cited articles on bone metastases were involved for degree centrality analysis and analyses on publication time and citations, journals, authors, geographical distribution, research institutions, and research keywords. Results The selected articles were published mainly from 1986 to 2015. The 100 most cited articles were selected from a total of 67,451 citations out of 90,502 publications with a density of 50.239 citations/year. Citations per article ranged from 357 to 2167. The leading country was USA, followed by Canada and United Kingdom. The most frequently studied themes were clinical management of bone metastasis from different malignancy origins. A co-authorship analysis revealed an intense collaborative activity between countries and institutions. Conclusions This study identified the top 100 most cited articles on bone metastasis. Publication time, area, and theme distribution were thoroughly analyzed. The present study highlighted some of the most influential contributions to the field. Clinical and academic communities have shown a sustained interest in the management of bone metastasis.
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