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Zhuo H, Zhou Z, Chen X, Song Z, Shang Q, Huang H, Xiao Y, Wang X, Chen H, Yan X, Zhang P, Gong Y, Liu H, Liu Y, Wu Z, Liang D, Ren H, Jiang X. Constructing and validating a predictive nomogram for osteoporosis risk among Chinese single-center male population using the systemic immune-inflammation index. Sci Rep 2024; 14:12637. [PMID: 38825605 PMCID: PMC11144694 DOI: 10.1038/s41598-024-63193-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2024] [Accepted: 05/27/2024] [Indexed: 06/04/2024] Open
Abstract
Osteoporosis (OP) is a bone metabolism disease that is associated with inflammatory pathological mechanism. Nonetheless, rare studies have investigated the diagnostic effectiveness of immune-inflammation index in the male population. Therefore, it is interesting to achieve early diagnosis of OP in male population based on the inflammatory makers from blood routine examination. We developed a prediction model based on a training dataset of 826 Chinese male patients through a retrospective study, and the data was collected from January 2022 to May 2023. All participants underwent the dual-energy X-ray absorptiometry (DXEA) and blood routine examination. Inflammatory markers such as systemic immune-inflammation index (SII) and platelet-to-lymphocyte ratio (PLR) was calculated and recorded. We utilized the least absolute shrinkage and selection operator (LASSO) regression model to optimize feature selection. Multivariable logistic regression analysis was applied to construct a predicting model incorporating the feature selected in the LASSO model. This predictive model was displayed as a nomogram. Receiver operating characteristic (ROC) curve, C-index, calibration curve, and clinical decision curve analysis (DCA) to evaluate model performance. Internal validation was test by the bootstrapping method. This study was approved by the Ethic Committee of the First Affiliated Hospital of Guangzhou University of Traditional Chinese Medicine (Ethic No. JY2023012) and conducted in accordance with the relevant guidelines and regulations. The predictive factors included in the prediction model were age, BMI, cardiovascular diseases, cerebrovascular diseases, neuropathy, thyroid diseases, fracture history, SII, PLR, C-reactive protein (CRP). The model displayed well discrimination with a C-index of 0.822 (95% confidence interval: 0.798-0.846) and good calibration. Internal validation showed a high C-index value of 0.805. Decision curve analysis (DCA) showed that when the threshold probability was between 3 and 76%, the nomogram had a good clinical value. This nomogram can effectively predict the incidence of OP in male population based on SII and PLR, which would help clinicians rapidly and conveniently diagnose OP with men in the future.
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Affiliation(s)
- Hang Zhuo
- The First Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Zelin Zhou
- The First Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Xingda Chen
- The First Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Zefeng Song
- Medical Department, Dalian University of Technology, Dalian, 116024, China
| | - Qi Shang
- The First Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Hongwei Huang
- The First Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Yun Xiao
- The Third Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, 510405, Guangdong, China
| | - Xiaowen Wang
- The First Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Honglin Chen
- The First Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Xianwei Yan
- The First Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Peng Zhang
- The First Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Yan Gong
- The First Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Huiwen Liu
- The First Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Yu Liu
- The First Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Zixian Wu
- The First Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - De Liang
- The First Affiliated Hospital of Guangzhou University of Traditional Chinese Medicine, Guangzhou, 510405, China
| | - Hui Ren
- The Spine Surgery Department, Second Affiliated Hospital of Guangzhou Medical University, 250 Changgang East Road, Haizhu District, Guangzhou, 510260, Guangdong, China.
| | - Xiaobing Jiang
- The Spine Surgery Department, Second Affiliated Hospital of Guangzhou Medical University, 250 Changgang East Road, Haizhu District, Guangzhou, 510260, Guangdong, China.
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Bassan Marinho Maciel G, Marinho Maciel R, Linhares Ferrazzo K, Cademartori Danesi C. Etiopathogenesis of medication-related osteonecrosis of the jaws: a review. J Mol Med (Berl) 2024; 102:353-364. [PMID: 38302741 DOI: 10.1007/s00109-024-02425-9] [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: 08/24/2023] [Revised: 12/29/2023] [Accepted: 01/25/2024] [Indexed: 02/03/2024]
Abstract
This study compiles the main hypotheses involved in the etiopathogenesis of medication-related osteonecrosis of the jaw (MRONJ). A narrative review of the literature was performed. The etiopathogenesis of MRONJ is multifactorial and not fully understood. The main hypothesis considers the disturbance of bone turnover caused by anti-resorptive drugs. Bisphosphonates and denosumab inhibit osteoclast activity through different action mechanisms, accumulating bone microfracture. Other hypotheses also consider oral infection and inflammation, the antiangiogenic effect and soft tissue toxicity of bisphosphonates, and the inhibition of lymphangiogenesis. Knowledge of the current theories for MRONJ is necessary to define future studies and protocols to minimize the incidence of this severe condition.
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Affiliation(s)
- Gabriel Bassan Marinho Maciel
- Postgraduate Program in Dental Sciences, Federal University of Santa Maria, Santa Maria, RS, Brazil.
- Department of Pathology, Federal University of Santa Maria, Av. Roraima, 1000, Santa Maria, RS, 97015-900, Brazil.
| | - Roberto Marinho Maciel
- Department of Pathology, Federal University of Santa Maria, Av. Roraima, 1000, Santa Maria, RS, 97015-900, Brazil
| | - Kívia Linhares Ferrazzo
- Department of Pathology, Federal University of Santa Maria, Av. Roraima, 1000, Santa Maria, RS, 97015-900, Brazil
| | - Cristiane Cademartori Danesi
- Department of Pathology, Federal University of Santa Maria, Av. Roraima, 1000, Santa Maria, RS, 97015-900, Brazil
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Monteiro AC, de Andrade Garcia D, Du Rocher B, Fontão APGA, Nogueira LP, Fidalgo G, Colaço MV, Bonomo A. Cooperation between T and B cells reinforce the establishment of bone metastases in a mouse model of breast cancer. Bone 2024; 178:116932. [PMID: 37832903 DOI: 10.1016/j.bone.2023.116932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 09/21/2023] [Accepted: 10/10/2023] [Indexed: 10/15/2023]
Abstract
Immune cells educated by the primary breast tumor and their secreted factors support the formation of bone pre-metastatic niche. Indeed, we showed that RANKL+ CD3+ T cells, specific for the 4T1 mammary carcinoma cell line, arrive at the bone marrow before metastatic cells and set the pre-metastatic niche. In the absence of RANKL expressed by T cells, there is no pre-metastatic osteolytic disease and bone metastases are completely blocked. Adding to the role of T cells, we have recently demonstrated that dendritic cells assist RANKL+ T cell activities at bone pre-metastatic niche, by differentiating into potent bone resorbing osteoclast-like cells, keeping their antigen-presenting cell properties, providing a positive feedback loop to the osteolytic profile. Here we are showing that bone marrow-derived CD19+ B cells, from 4T1 tumor-bearing mice, also express the pro-osteoclastogenic cytokine receptor activator of NFκB ligand (RANKL). Analysis of trabecular bone mineral density by conventional histomorphometry and X-ray microtomography (micro-CT) demonstrated that B cells expressing RANKL cooperate with 4T1-primed CD3+ T cells to induce bone loss. Moreover, RANKL expression by B cells depends on T cells activity, since experiments performed with B cells derived from 4T1 tumor-bearing nude BALB/c mice resulted in the maintenance of trabecular bone mass instead of bone loss. Altogether, we believe that 4T1-primed RANKL+ B cells alone are not central mediators of bone loss in vivo but when associated with T cells induce a strong decrease in bone mass, accelerating both breast cancer progression and bone metastases establishment. Although several studies performed in different pathological settings, showed that B cells, positively and negatively impact on osteoclastogenesis, due to their capacity to secret pro or anti-osteoclastogenic cytokines, as far as we know, this is the first report showing the role of RANKL expression by B cells on breast cancer-derived bone metastases scenario.
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Affiliation(s)
- Ana Carolina Monteiro
- Laboratory of Osteo and Tumor Immunology, Department of Immunobiology, Fluminense Federal University, Rio de Janeiro, Brazil; Laboratory on Thymus Research, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil.
| | - Diego de Andrade Garcia
- Laboratory of Osteo and Tumor Immunology, Department of Immunobiology, Fluminense Federal University, Rio de Janeiro, Brazil; Laboratory on Thymus Research, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
| | - Barbara Du Rocher
- Laboratory on Thymus Research, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
| | | | | | - Gabriel Fidalgo
- Laboratory of Applied Physics to Biomedical and Environmental Sciences, Physics Institute, State University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Marcos Vinicius Colaço
- Laboratory of Applied Physics to Biomedical and Environmental Sciences, Physics Institute, State University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Adriana Bonomo
- Laboratory on Thymus Research, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil; National Institute of Science and Technology on Neuroimmunomodulation (INCT-NIM), Brazil; Research Network on Neuroinflammation (RENEURIN), Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
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Pius AK, Toya M, Gao Q, Ergul YS, Chow SKH, Goodman SB. Effects of Aging on Osteosynthesis at Bone-Implant Interfaces. Biomolecules 2023; 14:52. [PMID: 38254652 PMCID: PMC10813487 DOI: 10.3390/biom14010052] [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: 12/05/2023] [Revised: 12/23/2023] [Accepted: 12/27/2023] [Indexed: 01/24/2024] Open
Abstract
Joint replacement is a common surgery and is predominantly utilized for treatment of osteoarthritis in the aging population. The longevity of many of these implants depends on bony ingrowth. Here, we provide an overview of current techniques in osteogenesis (inducing bone growth onto an implant), which is affected by aging and inflammation. In this review we cover the biologic underpinnings of these processes as well as the clinical applications. Overall, aging has a significant effect at the cellular and macroscopic level that impacts osteosynthesis at bone-metal interfaces after joint arthroplasty; potential solutions include targeting prolonged inflammation, preventing microbial adhesion, and enhancing osteoinductive and osteoconductive properties.
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Affiliation(s)
- Alexa K. Pius
- Department of Orthopaedic Surgery, School of Medicine, Stanford University, Stanford, CA 94063, USA (Y.S.E.)
| | - Masakazu Toya
- Department of Orthopaedic Surgery, School of Medicine, Stanford University, Stanford, CA 94063, USA (Y.S.E.)
| | - Qi Gao
- Department of Orthopaedic Surgery, School of Medicine, Stanford University, Stanford, CA 94063, USA (Y.S.E.)
| | - Yasemin Sude Ergul
- Department of Orthopaedic Surgery, School of Medicine, Stanford University, Stanford, CA 94063, USA (Y.S.E.)
| | - Simon Kwoon-Ho Chow
- Department of Orthopaedic Surgery, School of Medicine, Stanford University, Stanford, CA 94063, USA (Y.S.E.)
| | - Stuart Barry Goodman
- Department of Orthopaedic Surgery, School of Medicine, Stanford University, Stanford, CA 94063, USA (Y.S.E.)
- Department of Bioengineering, Stanford University, Stanford, CA 94305, USA
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Cassibba S, Ippolito S, Pellegrini S, Trevisan R, Rossini A. Does denosumab exert a protective effect against COVID-19? Results of a large cohort study. Front Endocrinol (Lausanne) 2023; 14:1283101. [PMID: 38144562 PMCID: PMC10740200 DOI: 10.3389/fendo.2023.1283101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Accepted: 11/20/2023] [Indexed: 12/26/2023] Open
Abstract
Introduction Denosumab is a monoclonal antibody blocking the receptor activator of nuclear factor kappa-B/receptor activator of nuclear factor kappa-B ligand (RANK/RANKL) pathway, thus inhibiting osteoclastogenesis. Since RANK and RANKL are also involved in the immune system activation, denosumab might interfere with the response against infections. Our study aimed to explore the relationship between denosumab treatment and coronavirus disease 2019 (COVID-19). Design and methods The occurrence and severity of COVID-19 were recorded in consecutive patients referred to the Endocrinology Department of Papa Giovanni XXIII Hospital, Bergamo, from 1 January 2020 to 1 January 2021. Patients treated with denosumab were compared to outpatient controls. Patients' features were summarized by descriptive statistics. Multivariate logistic regression assessed the relationship between denosumab and COVID-19, adjusting for potential confounders. Subgroup analyses according to age, sex, body mass index (BMI), smoking status, and vitamin D levels were performed. Results The final population included 331 patients treated with denosumab and 357 controls. COVID-19 incidence was lower in the denosumab group (7.6% vs. 14.6%, p = 0.004). COVID-19 severity was similar in both groups. Multiple logistic regression confirmed an association between denosumab and a reduced occurrence of symptomatic COVID-19 [odds ratio (OR) 0.46, 95% CI 0.21-0.98, p = 0.049]. Subgroup analyses suggested a potential protective effect of denosumab in patients over 75 years (OR 0.12, 95% CI 0.02-0.6, p = 0.011), with a significant interaction between denosumab and age categories (p = 0.047). Conclusion Our study confirms that denosumab may be safely continued in COVID-19 patients. RANK/RANKL inhibition seems associated with a reduced incidence of symptomatic COVID-19, particularly among the elderly.
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Affiliation(s)
- Sara Cassibba
- Endocrinology and Diabetes Unit, Azienda Socio Sanitaria Territoriale Papa Giovanni XXIII, Bergamo, Italy
| | - Silvia Ippolito
- Endocrinology and Diabetes Unit, Azienda Socio Sanitaria Territoriale Papa Giovanni XXIII, Bergamo, Italy
| | - Silvia Pellegrini
- Endocrinology and Diabetes Unit, Azienda Socio Sanitaria Territoriale Papa Giovanni XXIII, Bergamo, Italy
- Department of Medicine and Surgery, University of Milano Bicocca, Milan, Italy
| | - Roberto Trevisan
- Endocrinology and Diabetes Unit, Azienda Socio Sanitaria Territoriale Papa Giovanni XXIII, Bergamo, Italy
- Department of Medicine and Surgery, University of Milano Bicocca, Milan, Italy
| | - Alessandro Rossini
- Endocrinology and Diabetes Unit, Azienda Socio Sanitaria Territoriale Papa Giovanni XXIII, Bergamo, Italy
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6
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Liu Z, Wang R, Liu W, Liu Y, Feng X, Zhao F, Chen P, Shao L, Rong M. Recent advances in the application and biological mechanism of silicon nitride osteogenic properties: a review. Biomater Sci 2023; 11:7003-7017. [PMID: 37718623 DOI: 10.1039/d3bm00877k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/19/2023]
Abstract
Silicon nitride, an emerging bioceramic material, is highly sought after in the biomedical industry due to its osteogenesis-promoting properties, which are a result of its unique surface chemistry and excellent mechanical properties. Currently, it is used in clinics as an orthopedic implant material. The osteogenesis-promoting properties of silicon nitride are manifested in its contribution to the formation of a local osteogenic microenvironment, wherein silicon nitride and its hydrolysis products influence osteogenesis by modulating the biological behaviors of the constituents of the osteogenic microenvironment. In particular, silicon nitride regulates redox signaling, cellular autophagy, glycolysis, and bone mineralization in cells involved in bone formation via several mechanisms. Moreover, it may also promote osteogenesis by influencing immune regulation and angiogenesis. In addition, the wettability, surface morphology, and charge of silicon nitride play crucial roles in regulating its osteogenesis-promoting properties. However, as a bioceramic material, the molding process of silicon nitride needs to be optimized, and its osteogenic mechanism must be further investigated. Herein, we summarize the impact of the molding process of silicon nitride on its osteogenic properties and clinical applications. In addition, the mechanisms of silicon nitride in promoting osteogenesis are discussed, followed by a summary of the current gaps in silicon nitride mechanism research. This review, therefore, aims to provide novel ideas for the future development and applications of silicon nitride.
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Affiliation(s)
- Ziyi Liu
- Stomatological Hospital, Southern Medical University, Jiangnan Avenue 366, Guangzhou 510280, China.
| | - Ruijie Wang
- Stomatological Hospital, Southern Medical University, Jiangnan Avenue 366, Guangzhou 510280, China.
| | - Wenjing Liu
- Stomatological Hospital, Southern Medical University, Jiangnan Avenue 366, Guangzhou 510280, China.
| | - Yushan Liu
- Stomatological Hospital, Southern Medical University, Jiangnan Avenue 366, Guangzhou 510280, China.
| | - Xiaoli Feng
- Stomatological Hospital, Southern Medical University, Jiangnan Avenue 366, Guangzhou 510280, China.
| | - Fujian Zhao
- Stomatological Hospital, Southern Medical University, Jiangnan Avenue 366, Guangzhou 510280, China.
| | - Pei Chen
- Stomatological Hospital, Southern Medical University, Jiangnan Avenue 366, Guangzhou 510280, China.
| | - Longquan Shao
- Stomatological Hospital, Southern Medical University, Jiangnan Avenue 366, Guangzhou 510280, China.
| | - Mingdeng Rong
- Stomatological Hospital, Southern Medical University, Jiangnan Avenue 366, Guangzhou 510280, China.
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Cason RK, Chambers E, Tu T, Chryst-Stangl M, Huggins K, Lane BM, Ochoa A, Jackson AM, Gbadegesin RA. Genetic risk variants for childhood nephrotic syndrome and corticosteroid response. Front Pediatr 2023; 11:1248733. [PMID: 37868272 PMCID: PMC10588181 DOI: 10.3389/fped.2023.1248733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Accepted: 09/22/2023] [Indexed: 10/24/2023] Open
Abstract
Introduction The etiology of most cases of nephrotic syndrome (NS) remains unknown, therefore patients are phenotypically categorized based on response to corticosteroid therapy as steroid sensitive NS (SSNS), or steroid resistant NS (SRNS). Genetic risk factors have been identified for SSNS from unbiased genome-wide association studies (GWAS), however it is unclear if these loci are disease risk loci in other forms of NS such as SRNS. Additionally, it remains unknown if these risk loci are associated with response to therapy. Thus, we investigated the association between SSNS risk loci and therapy response in a large, multi-race cohort of children along the entire spectrum of childhood-onset NS. Methods We enrolled 1,000 patients with childhood-onset NS comprised of SSNS and SRNS. Genotyping was done using TaqMan and Direct Sanger Sequencing for 9 previously reported childhood SSNS risk loci. We compared the allele frequencies (AF) and variant burden between NS vs. controls and SRNS vs. SSNS. Results All 9 risk loci were associated with NS compared with healthy controls (p = 3.5 × 10-3-<2.2 × 10-16). Variant burden greater than 7 was associated with risk of SRNS (OR 7.4, 95% CI 4.6-12.0, p = 8.2 × 10-16). Conclusion Our study showed that genetic risk loci for childhood SSNS are associated with pattern of therapy response, may help predict disease outcome, and set the stage for individualized treatment of NS.
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Affiliation(s)
- Rachel K. Cason
- Department of Pediatrics, Division of Nephrology, Duke University Medical Center, Durham, NC, United States
| | - Eileen Chambers
- Department of Pediatrics, Division of Nephrology, Duke University Medical Center, Durham, NC, United States
| | - Tiffany Tu
- Computational Biology and Bioinformatics Program, Duke Center for Statistical Genetics and Genomics, and Department of Biostatistics and Bioinformatics, Duke University, Durham, NC, United States
| | - Megan Chryst-Stangl
- Department of Pediatrics, Division of Nephrology, Duke University Medical Center, Durham, NC, United States
| | - Kinsie Huggins
- Department of Pediatrics, Division of Nephrology, Duke University Medical Center, Durham, NC, United States
| | - Brandon M. Lane
- Department of Pediatrics, Division of Nephrology, Duke University Medical Center, Durham, NC, United States
| | - Alejandro Ochoa
- Computational Biology and Bioinformatics Program, Duke Center for Statistical Genetics and Genomics, and Department of Biostatistics and Bioinformatics, Duke University, Durham, NC, United States
| | - Annette M. Jackson
- Department of Surgery, Duke University Medical Center, Durham, NC, United States
| | - Rasheed A. Gbadegesin
- Department of Pediatrics, Division of Nephrology, Duke University Medical Center, Durham, NC, United States
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Hepp DH, van Wageningen TA, Kuiper KL, van Dijk KD, Oosterveld LP, Berendse HW, van de Berg WDJ. Inflammatory Blood Biomarkers Are Associated with Long-Term Clinical Disease Severity in Parkinson's Disease. Int J Mol Sci 2023; 24:14915. [PMID: 37834363 PMCID: PMC10573398 DOI: 10.3390/ijms241914915] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 09/21/2023] [Accepted: 09/25/2023] [Indexed: 10/15/2023] Open
Abstract
An altered immune response has been identified as a pathophysiological factor in Parkinson's disease (PD). We aimed to identify blood immunity-associated proteins that discriminate PD from controls and that are associated with long-term disease severity in PD patients. Immune response-derived proteins in blood plasma were measured using Proximity Extension Technology by OLINK in a cohort of PD patients (N = 66) and age-matched healthy controls (N = 52). In a selection of 30 PD patients, we evaluated changes in protein levels 7-10 years after the baseline and assessed correlations with motor and cognitive assessments. Data from the Parkinson's Disease Biomarkers Program (PDBP) cohort and the Parkinson's Progression Markers Initiative (PPMI) cohort were used for independent validation. PD patients showed an altered immune response compared to controls based on a panel of four proteins (IL-12B, OPG, CXCL11, and CSF-1). The expression levels of five inflammation-associated proteins (CCL23, CCL25, TNFRSF9, TGF-alpha, and VEGFA) increased over time in PD and were partially associated with more severe motor and cognitive symptoms at follow-up. Increased CCL23 levels were associated with cognitive decline and the APOE4 genotype. Our findings provide further evidence for an altered immune response in PD that is associated with disease severity in PD over a long period of time.
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Affiliation(s)
- Dagmar H. Hepp
- Department of Anatomy and Neurosciences, Amsterdam UMC Location Vrije Universiteit Amsterdam, de Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands; (D.H.H.)
- Department of Neurology, Amsterdam UMC Location Vrije Universiteit Amsterdam, de Boelelaan 1117, 1081 HZ Amsterdam, The Netherlands;
- Amsterdam Neuroscience, Program Neurodegeneration, Amsterdam UMC Location Vrije Universiteit Amsterdam, 1081 HZ Amsterdam, The Netherlands
| | - Thecla A. van Wageningen
- Department of Anatomy and Neurosciences, Amsterdam UMC Location Vrije Universiteit Amsterdam, de Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands; (D.H.H.)
- Amsterdam Neuroscience, Program Neurodegeneration, Amsterdam UMC Location Vrije Universiteit Amsterdam, 1081 HZ Amsterdam, The Netherlands
| | - Kirsten L. Kuiper
- Department of Anatomy and Neurosciences, Amsterdam UMC Location Vrije Universiteit Amsterdam, de Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands; (D.H.H.)
- Amsterdam Neuroscience, Program Neurodegeneration, Amsterdam UMC Location Vrije Universiteit Amsterdam, 1081 HZ Amsterdam, The Netherlands
| | - Karin D. van Dijk
- Sleep Wake Centre, Stichting Epilepsie Instellingen Nederland (SEIN), 2103 SW Heemstede, The Netherlands
| | - Linda P. Oosterveld
- Department of Anatomy and Neurosciences, Amsterdam UMC Location Vrije Universiteit Amsterdam, de Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands; (D.H.H.)
- Amsterdam Neuroscience, Program Neurodegeneration, Amsterdam UMC Location Vrije Universiteit Amsterdam, 1081 HZ Amsterdam, The Netherlands
| | - Henk W. Berendse
- Department of Neurology, Amsterdam UMC Location Vrije Universiteit Amsterdam, de Boelelaan 1117, 1081 HZ Amsterdam, The Netherlands;
- Amsterdam Neuroscience, Program Neurodegeneration, Amsterdam UMC Location Vrije Universiteit Amsterdam, 1081 HZ Amsterdam, The Netherlands
| | - Wilma D. J. van de Berg
- Department of Anatomy and Neurosciences, Amsterdam UMC Location Vrije Universiteit Amsterdam, de Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands; (D.H.H.)
- Amsterdam Neuroscience, Program Neurodegeneration, Amsterdam UMC Location Vrije Universiteit Amsterdam, 1081 HZ Amsterdam, The Netherlands
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Gong Y, Hao D, Zhang Y, Tu Y, He B, Yan L. Molecular Subtype Classification of Postmenopausal Osteoporosis and Immune Infiltration Microenvironment Based on Bioinformatics Analysis of Osteoclast-Regulatory Genes. Biomedicines 2023; 11:2701. [PMID: 37893075 PMCID: PMC10604900 DOI: 10.3390/biomedicines11102701] [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: 09/05/2023] [Revised: 09/26/2023] [Accepted: 09/29/2023] [Indexed: 10/29/2023] Open
Abstract
Osteoporosis is common in postmenopausal women but is often asymptomatic until a fracture occurs, highlighting the importance of early screening and preventive interventions. This study aimed to develop molecular subtype risk stratification of postmenopausal osteoporosis and analyze the immune infiltration microenvironment. Microarray data for osteoporosis were downloaded and analyzed. Logistic and least absolute shrinkage and selection operator (LASSO) regression analyses were used to construct the molecular risk model. Circulating blood samples were collected from 10 enrolled participants to validate the key differentially expressed genes, and consistent clustering based on the expression profiles of candidate genes was performed to obtain molecular subtypes. Three key genes, CTNNB1, MITF, and TNFSF11, were obtained as variables and used to construct the risk model. External experimental validation showed substantial differences in the three key genes between patients with osteoporosis and the controls (p < 0.05). Three subtypes were obtained based on dimensionality reduction clustering results. Cluster 3 had significantly more patients with low bone mineral density (BMD), whereas Cluster 2 had significantly more patients with high BMD (p < 0.05). This study introduced a novel molecular risk model and subtype classification system, which is an evidence-based screening strategy that will guide the active prevention, early diagnosis, and treatment of osteoporosis in high-risk postmenopausal women.
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Affiliation(s)
- Yining Gong
- Department of Spine Surgery, Honghui Hospital, Xi’an Jiaotong University, Xi’an 710054, China; (Y.G.); (D.H.); (Y.Z.); (Y.T.); (B.H.)
- Institute of Orthopedic Surgery, Honghui Hospital, Xi’an Jiaotong University, Xi’an 710054, China
| | - Dingjun Hao
- Department of Spine Surgery, Honghui Hospital, Xi’an Jiaotong University, Xi’an 710054, China; (Y.G.); (D.H.); (Y.Z.); (Y.T.); (B.H.)
- Institute of Orthopedic Surgery, Honghui Hospital, Xi’an Jiaotong University, Xi’an 710054, China
| | - Yong Zhang
- Department of Spine Surgery, Honghui Hospital, Xi’an Jiaotong University, Xi’an 710054, China; (Y.G.); (D.H.); (Y.Z.); (Y.T.); (B.H.)
| | - Yongyong Tu
- Department of Spine Surgery, Honghui Hospital, Xi’an Jiaotong University, Xi’an 710054, China; (Y.G.); (D.H.); (Y.Z.); (Y.T.); (B.H.)
| | - Baorong He
- Department of Spine Surgery, Honghui Hospital, Xi’an Jiaotong University, Xi’an 710054, China; (Y.G.); (D.H.); (Y.Z.); (Y.T.); (B.H.)
| | - Liang Yan
- Department of Spine Surgery, Honghui Hospital, Xi’an Jiaotong University, Xi’an 710054, China; (Y.G.); (D.H.); (Y.Z.); (Y.T.); (B.H.)
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Yu E, Zhang M, Xu G, Liu X, Yan J. Consensus cluster analysis of apoptosis-related genes in patients with osteoarthritis and their correlation with immune cell infiltration. Front Immunol 2023; 14:1202758. [PMID: 37860011 PMCID: PMC10582959 DOI: 10.3389/fimmu.2023.1202758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2023] [Accepted: 09/15/2023] [Indexed: 10/21/2023] Open
Abstract
Background Osteoarthritis (OA) progression involves multiple factors, including cartilage erosion as the basic pathological mechanism of degeneration, and is closely related to chondrocyte apoptosis. To analyze the correlation between apoptosis and OA development, we selected apoptosis genes from the differentially expressed genes (DEGs) between OA and normal samples from the Gene Expression Omnibus (GEO) database, used lasso regression analysis to identify characteristic genes, and performed consensus cluster analysis to further explore the pathogenesis of this disease. Methods The Gene expression profile datasets of OA samples, GSE12021 and GSE55235, were downloaded from GEO. The datasets were combined and analyzed for DEGs. Apoptosis-related genes (ARGs) were collected from the GeneCards database and intersected with DEGs for apoptosis-related DEGs (ARDEGs). Least absolute shrinkage and selection operator (LASSO) regression analysis was performed to obtain characteristic genes, and a nomogram was constructed based on these genes. A consensus cluster analysis was performed to divide the patients into clusters. The immune characteristics, functional enrichment, and immune infiltration statuses of the clusters were compared. In addition, a protein-protein interaction network of mRNA drugs, mRNA-transcription factors (TFs), and mRNA-miRNAs was constructed. Results A total of 95 DEGs were identified, of which 47 were upregulated and 48 were downregulated, and 31 hub genes were selected as ARDEGs. LASSO regression analysis revealed nine characteristic genes: growth differentiation factor 15 (GDF15), NAMPT, TLR7, CXCL2, KLF2, REV3L, KLF9, THBD, and MTHFD2. Clusters A and B were identified, and neutrophil activation and neutrophil activation involved in the immune response were highly enriched in Cluster B, whereas protein repair and purine salvage signal pathways were enriched in Cluster A. The number of activated natural killer cells in Cluster B was significantly higher than that in Cluster A. GDF15 and KLF9 interacted with 193 and 32 TFs, respectively, and CXCL2 and REV3L interacted with 48 and 82 miRNAs, respectively. Conclusion ARGs could predict the occurrence of OA and may be related to different degrees of OA progression.
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Affiliation(s)
| | | | | | | | - Jinglong Yan
- Department of Orthopedics, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
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11
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De Leon-Oliva D, Barrena-Blázquez S, Jiménez-Álvarez L, Fraile-Martinez O, García-Montero C, López-González L, Torres-Carranza D, García-Puente LM, Carranza ST, Álvarez-Mon MÁ, Álvarez-Mon M, Diaz R, Ortega MA. The RANK-RANKL-OPG System: A Multifaceted Regulator of Homeostasis, Immunity, and Cancer. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:1752. [PMID: 37893470 PMCID: PMC10608105 DOI: 10.3390/medicina59101752] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 09/21/2023] [Accepted: 09/28/2023] [Indexed: 10/29/2023]
Abstract
The RANK-RANKL-OPG system is a complex signaling pathway that plays a critical role in bone metabolism, mammary epithelial cell development, immune function, and cancer. RANKL is a ligand that binds to RANK, a receptor expressed on osteoclasts, dendritic cells, T cells, and other cells. RANKL signaling promotes osteoclast differentiation and activation, which leads to bone resorption. OPG is a decoy receptor that binds to RANKL and inhibits its signaling. In cancer cells, RANKL expression is often increased, which can lead to increased bone resorption and the development of bone metastases. RANKL-neutralizing antibodies, such as denosumab, have been shown to be effective in the treatment of skeletal-related events, including osteoporosis or bone metastases, and cancer. This review will provide a comprehensive overview of the functions of the RANK-RANKL-OPG system in bone metabolism, mammary epithelial cells, immune function, and cancer, together with the potential therapeutic implications of the RANK-RANKL pathway for cancer management.
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Affiliation(s)
- Diego De Leon-Oliva
- Department of Medicine and Medical Specialties, Faculty of Medicine and Health Sciences, University of Alcalá, 28801 Alcala de Henares, Spain; (D.D.L.-O.); (S.B.-B.); (L.J.-Á.); (O.F.-M.); (C.G.-M.); (D.T.-C.); (L.M.G.-P.); (S.T.C.); (M.Á.Á.-M.); (M.Á.-M.)
- Ramón y Cajal Institute of Sanitary Research (IRYCIS), 28034 Madrid, Spain
| | - Silvestra Barrena-Blázquez
- Department of Medicine and Medical Specialties, Faculty of Medicine and Health Sciences, University of Alcalá, 28801 Alcala de Henares, Spain; (D.D.L.-O.); (S.B.-B.); (L.J.-Á.); (O.F.-M.); (C.G.-M.); (D.T.-C.); (L.M.G.-P.); (S.T.C.); (M.Á.Á.-M.); (M.Á.-M.)
- Ramón y Cajal Institute of Sanitary Research (IRYCIS), 28034 Madrid, Spain
- Department of Nursing and Physiotherapy, Faculty of Medicine and Health Sciences, University of Alcalá, 28801 Alcala de Henares, Spain
| | - Laura Jiménez-Álvarez
- Department of Medicine and Medical Specialties, Faculty of Medicine and Health Sciences, University of Alcalá, 28801 Alcala de Henares, Spain; (D.D.L.-O.); (S.B.-B.); (L.J.-Á.); (O.F.-M.); (C.G.-M.); (D.T.-C.); (L.M.G.-P.); (S.T.C.); (M.Á.Á.-M.); (M.Á.-M.)
- Surgery Service, University Hospital Principe de Asturias, 28801 Alcala de Henares, Spain
| | - Oscar Fraile-Martinez
- Department of Medicine and Medical Specialties, Faculty of Medicine and Health Sciences, University of Alcalá, 28801 Alcala de Henares, Spain; (D.D.L.-O.); (S.B.-B.); (L.J.-Á.); (O.F.-M.); (C.G.-M.); (D.T.-C.); (L.M.G.-P.); (S.T.C.); (M.Á.Á.-M.); (M.Á.-M.)
- Ramón y Cajal Institute of Sanitary Research (IRYCIS), 28034 Madrid, Spain
| | - Cielo García-Montero
- Department of Medicine and Medical Specialties, Faculty of Medicine and Health Sciences, University of Alcalá, 28801 Alcala de Henares, Spain; (D.D.L.-O.); (S.B.-B.); (L.J.-Á.); (O.F.-M.); (C.G.-M.); (D.T.-C.); (L.M.G.-P.); (S.T.C.); (M.Á.Á.-M.); (M.Á.-M.)
- Ramón y Cajal Institute of Sanitary Research (IRYCIS), 28034 Madrid, Spain
| | - Laura López-González
- Department of Surgery, Medical and Social Sciences, Faculty of Medicine and Health Sciences, University of Alcalá, 28801 Alcala de Henares, Spain;
| | - Diego Torres-Carranza
- Department of Medicine and Medical Specialties, Faculty of Medicine and Health Sciences, University of Alcalá, 28801 Alcala de Henares, Spain; (D.D.L.-O.); (S.B.-B.); (L.J.-Á.); (O.F.-M.); (C.G.-M.); (D.T.-C.); (L.M.G.-P.); (S.T.C.); (M.Á.Á.-M.); (M.Á.-M.)
| | - Luis M. García-Puente
- Department of Medicine and Medical Specialties, Faculty of Medicine and Health Sciences, University of Alcalá, 28801 Alcala de Henares, Spain; (D.D.L.-O.); (S.B.-B.); (L.J.-Á.); (O.F.-M.); (C.G.-M.); (D.T.-C.); (L.M.G.-P.); (S.T.C.); (M.Á.Á.-M.); (M.Á.-M.)
- Ramón y Cajal Institute of Sanitary Research (IRYCIS), 28034 Madrid, Spain
| | - Sara T. Carranza
- Department of Medicine and Medical Specialties, Faculty of Medicine and Health Sciences, University of Alcalá, 28801 Alcala de Henares, Spain; (D.D.L.-O.); (S.B.-B.); (L.J.-Á.); (O.F.-M.); (C.G.-M.); (D.T.-C.); (L.M.G.-P.); (S.T.C.); (M.Á.Á.-M.); (M.Á.-M.)
- Ramón y Cajal Institute of Sanitary Research (IRYCIS), 28034 Madrid, Spain
| | - Miguel Ángel Álvarez-Mon
- Department of Medicine and Medical Specialties, Faculty of Medicine and Health Sciences, University of Alcalá, 28801 Alcala de Henares, Spain; (D.D.L.-O.); (S.B.-B.); (L.J.-Á.); (O.F.-M.); (C.G.-M.); (D.T.-C.); (L.M.G.-P.); (S.T.C.); (M.Á.Á.-M.); (M.Á.-M.)
- Ramón y Cajal Institute of Sanitary Research (IRYCIS), 28034 Madrid, Spain
| | - Melchor Álvarez-Mon
- Department of Medicine and Medical Specialties, Faculty of Medicine and Health Sciences, University of Alcalá, 28801 Alcala de Henares, Spain; (D.D.L.-O.); (S.B.-B.); (L.J.-Á.); (O.F.-M.); (C.G.-M.); (D.T.-C.); (L.M.G.-P.); (S.T.C.); (M.Á.Á.-M.); (M.Á.-M.)
- Ramón y Cajal Institute of Sanitary Research (IRYCIS), 28034 Madrid, Spain
- Department of Surgery, Medical and Social Sciences, Faculty of Medicine and Health Sciences, University of Alcalá, 28801 Alcala de Henares, Spain;
- Immune System Diseases-Rheumatology Service, University Hospital Principe de Asturias, 28801 Alcala de Henares, Spain
| | - Raul Diaz
- Ramón y Cajal Institute of Sanitary Research (IRYCIS), 28034 Madrid, Spain
- Surgery Service, University Hospital Principe de Asturias, 28801 Alcala de Henares, Spain
- Department of Surgery, Medical and Social Sciences, Faculty of Medicine and Health Sciences, University of Alcalá, 28801 Alcala de Henares, Spain;
| | - Miguel A. Ortega
- Department of Medicine and Medical Specialties, Faculty of Medicine and Health Sciences, University of Alcalá, 28801 Alcala de Henares, Spain; (D.D.L.-O.); (S.B.-B.); (L.J.-Á.); (O.F.-M.); (C.G.-M.); (D.T.-C.); (L.M.G.-P.); (S.T.C.); (M.Á.Á.-M.); (M.Á.-M.)
- Ramón y Cajal Institute of Sanitary Research (IRYCIS), 28034 Madrid, Spain
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12
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Talavera Guillén NC, Barboza de Nardi A, Noleto de Paiva F, Dias QC, Pinheiro Fantinatti A, Fávaro WJ. Clinical Implications of Immune Checkpoints and the RANK/RANK-L Signaling Pathway in High-Grade Canine Mast Cell Tumors. Animals (Basel) 2023; 13:1888. [PMID: 37370399 DOI: 10.3390/ani13121888] [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: 04/08/2023] [Revised: 05/13/2023] [Accepted: 05/22/2023] [Indexed: 06/29/2023] Open
Abstract
Mast cell tumors (MCTs) are the most common malignant cutaneous tumors in dogs, and they present extremely variable biological behavior. The interaction between RANK, RANK-L, and immune checkpoints is frequently detected in the tumor microenvironment, and, together, they participate in every stage of cancer development. Thus, the aim of this study was to characterize the molecular profiles of PD-L1, CTLA-4, RANK/RANK-L signaling pathway, and IFN-γ in primary tumors and lymph node metastases. Formalin-fixed, paraffin-embedded slides of MCTs and metastatic lymph nodes of ten dogs were submitted to immunohistochemical investigations. The results demonstrated that the tumor microenvironment of the high-grade mast cell tumors showed moderate or intense immunolabeling of all proteins, and the lymph node metastases also showed moderate or intense immunolabeling of checkpoint proteins. In addition, MCTs larger than 3 cm were associated with intensified PD-L1 (p = 0.03) in metastatic lymph nodes and RANK-L (p = 0.049) immunoreactivity in the tumor. Furthermore, dogs with a survival time of less than 6 months showed higher PD-L1 immunoreactivity (p = 0.042). In conclusion, high-grade MCT is associated with an immunosuppressive microenvironment that exhibits elevated RANK/RANK-L signaling and enhanced immune checkpoint immunoreactivity, potentially facilitating intratumorally immune escape. These biomarkers show promise as clinical indicators of disease progression and might response to immunotherapy in dogs with high-grade MCTs, thus emphasizing their importance for guiding treatment decisions and improving outcomes.
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Affiliation(s)
- Noelia C Talavera Guillén
- Department of Veterinary Clinics and Surgery, São Paulo State University (UNESP), Jaboticabal 14884-900, Brazil
| | - Andrigo Barboza de Nardi
- Department of Veterinary Clinics and Surgery, São Paulo State University (UNESP), Jaboticabal 14884-900, Brazil
| | - Felipe Noleto de Paiva
- Department of Veterinary Clinics and Surgery, São Paulo State University (UNESP), Jaboticabal 14884-900, Brazil
| | - Queila Cristina Dias
- Department of Structural and Functional Biology, University of Campinas (UNICAMP), Campinas 13083-970, Brazil
| | | | - Wagner José Fávaro
- Department of Structural and Functional Biology, University of Campinas (UNICAMP), Campinas 13083-970, Brazil
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13
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Lu J, Hu D, Zhang Y, Ma C, Shen L, Shuai B. Current comprehensive understanding of denosumab (the RANKL neutralizing antibody) in the treatment of bone metastasis of malignant tumors, including pharmacological mechanism and clinical trials. Front Oncol 2023; 13:1133828. [PMID: 36860316 PMCID: PMC9969102 DOI: 10.3389/fonc.2023.1133828] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Accepted: 02/01/2023] [Indexed: 02/16/2023] Open
Abstract
Denosumab, a fully humanized monoclonal neutralizing antibody, inhibits activation of the RANK/RANKL/OPG signaling pathway through competitive binding with RANKL, thereby inhibiting osteoclast-mediated bone resorption. Denosumab inhibits bone loss; therefore, it is used to treat metabolic bone diseases (including postmenopausal osteoporosis, male osteoporosis, and glucocorticoid-induced osteoporosis), in clinical practice. Since then, multiple effects of denosumab have been discovered. A growing body of evidence suggests that denosumab has a variety of pharmacological activities and broad potential in clinical diseases such as osteoarthritis, bone tumors, and other autoimmune diseases. Currently, Denosumab is emerging as a treatment for patients with malignancy bone metastases, and it also shows direct or indirect anti-tumor effects in preclinical models and clinical applications. However, as an innovative drug, its clinical use for bone metastasis of malignant tumors is still insufficient, and its mechanism of action needs to be further investigated. This review systematically summarizes the pharmacological mechanism of action of denosumab and the current understanding and clinical practice of the use of denosumab for bone metastasis of malignant tumors to help clinicians and researchers deepen their understanding of denosumab.
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Affiliation(s)
- Junjie Lu
- Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Desheng Hu
- Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yan Zhang
- Department of Pain, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Chen Ma
- Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Lin Shen
- Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Bo Shuai
- Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China,*Correspondence: Bo Shuai,
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14
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Maqui Berry and Ginseng Extracts Reduce Cigarette Smoke-Induced Cell Injury in a 3D Bone Co-Culture Model. Antioxidants (Basel) 2022; 11:antiox11122460. [PMID: 36552669 PMCID: PMC9774157 DOI: 10.3390/antiox11122460] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 11/30/2022] [Accepted: 12/12/2022] [Indexed: 12/15/2022] Open
Abstract
Cigarette smoking-induced oxidative stress has harmful effects on bone metabolism. Maqui berry extract (MBE) and ginseng extract (GE) are two naturally occurring antioxidants that have been shown to reduce oxidative stress. By using an osteoblast and osteoclast three-dimensional co-culture system, we investigated the effects of MBE and GE on bone cells exposed to cigarette smoke extract (CSE). The cell viability and function of the co-culture system were measured on day 14. Markers of bone cell differentiation and oxidative stress were evaluated at gene and protein levels on day 7. The results showed that exposure to CSE induced osteoporotic-like alterations in the co-culture system, while 1.5 µg/mL MBE and 50 µg/mL GE improved CSE-impaired osteoblast function and decreased CSE-induced osteoclast function. The molecular mechanism of MBE and GE in preventing CSE-induced bone cell damage is linked with the inhibition of the NF-κB signaling pathway and the activation of the Nrf2 signaling pathway. Therefore, MBE and GE can reduce CSE-induced detrimental effects on bone cells and, thus, prevent smoking-induced alterations in bone cell homeostasis. These two antioxidants are thus suitable supplements to support bone regeneration in smokers.
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15
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Fröhlich A, Olde Heuvel F, Rehman R, Krishnamurthy SS, Li S, Li Z, Bayer D, Conquest A, Hagenston AM, Ludolph A, Huber-Lang M, Boeckers T, Knöll B, Morganti-Kossmann MC, Bading H, Roselli F. Neuronal nuclear calcium signaling suppression of microglial reactivity is mediated by osteoprotegerin after traumatic brain injury. J Neuroinflammation 2022; 19:279. [PMCID: PMC9675197 DOI: 10.1186/s12974-022-02634-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Accepted: 10/30/2022] [Indexed: 11/21/2022] Open
Abstract
Background Traumatic brain injury (TBI) is characterized by massive changes in neuronal excitation, from acute excitotoxicity to chronic hyper- or hypoexcitability. Nuclear calcium signaling pathways are involved in translating changes in synaptic inputs and neuronal activity into discrete transcriptional programs which not only affect neuronal survival and synaptic integrity, but also the crosstalk between neurons and glial cells. Here, we report the effects of blunting neuronal nuclear calcium signals in the context of TBI. Methods We used AAV vectors to express the genetically encoded and nuclear-targeted calcium buffer parvalbumin (PV.NLS.mCherry) or the calcium/calmodulin buffer CaMBP4.mCherry in neurons only. Upon TBI, the extent of neuroinflammation, neuronal death and synaptic loss were assessed by immunohistochemistry and targeted transcriptome analysis. Modulation of the overall level of neuronal activity was achieved by PSAM/PSEM chemogenetics targeted to parvalbumin interneurons. The functional impact of neuronal nuclear calcium buffering in TBI was assessed by quantification of spontaneous whisking. Results Buffering neuronal nuclear calcium unexpectedly resulted in a massive and long-lasting increase in the recruitment of reactive microglia to the injury site, which was characterized by a disease-associated and phagocytic phenotype. This effect was accompanied by a substantial surge in synaptic loss and significantly reduced whisking activity. Transcriptome analysis revealed a complex effect of TBI in the context of neuronal nuclear calcium buffering, with upregulation of complement factors, chemokines and interferon-response genes, as well as the downregulation of synaptic genes and epigenetic regulators compared to control conditions. Notably, nuclear calcium buffering led to a substantial loss in neuronal osteoprotegerin (OPG), whereas stimulation of neuronal firing induced OPG expression. Viral re-expression of OPG resulted in decreased microglial recruitment and synaptic loss. OPG upregulation was also observed in the CSF of human TBI patients, underscoring its translational value. Conclusion Neuronal nuclear calcium signals regulate the degree of microglial recruitment and reactivity upon TBI via, among others, osteoprotegerin signals. Our findings support a model whereby neuronal activity altered after TBI exerts a powerful impact on the neuroinflammatory cascade, which in turn contributes to the overall loss of synapses and functional impairment. Supplementary Information The online version contains supplementary material available at 10.1186/s12974-022-02634-4.
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Affiliation(s)
- Albrecht Fröhlich
- grid.6582.90000 0004 1936 9748Dept. of Neurology, Ulm University, Ulm, Germany
| | - Florian Olde Heuvel
- grid.6582.90000 0004 1936 9748Dept. of Neurology, Ulm University, Ulm, Germany
| | - Rida Rehman
- grid.6582.90000 0004 1936 9748Dept. of Neurology, Ulm University, Ulm, Germany
| | - Sruthi Sankari Krishnamurthy
- grid.6582.90000 0004 1936 9748Dept. of Neurology, Ulm University, Ulm, Germany ,CEMMA (Cellular and Molecular Mechanisms in Aging) Research Training Group, Ulm, Germany
| | - Shun Li
- grid.6582.90000 0004 1936 9748Dept. of Neurology, Ulm University, Ulm, Germany
| | - Zhenghui Li
- grid.6582.90000 0004 1936 9748Dept. of Neurology, Ulm University, Ulm, Germany ,Dept. of Neurosurgery, Kaifeng Central Hospital, Kaifeng, China
| | - David Bayer
- grid.6582.90000 0004 1936 9748Dept. of Neurology, Ulm University, Ulm, Germany ,CEMMA (Cellular and Molecular Mechanisms in Aging) Research Training Group, Ulm, Germany
| | - Alison Conquest
- grid.1623.60000 0004 0432 511XNational Trauma Research Institute and Department of Neurosurgery, The Alfred Hospital, Melbourne, Australia
| | - Anna M. Hagenston
- grid.7700.00000 0001 2190 4373Interdisciplinary Center for Neurosciences, Department of Neurobiology, Heidelberg University, Heidelberg, Germany
| | - Albert Ludolph
- grid.6582.90000 0004 1936 9748Dept. of Neurology, Ulm University, Ulm, Germany ,grid.424247.30000 0004 0438 0426German Center for Neurodegenerative Diseases (DZNE)-Ulm, Ulm, Germany
| | - Markus Huber-Lang
- grid.6582.90000 0004 1936 9748Institute for Clinical and Experimental Trauma Immunology, Ulm University, Ulm, Germany
| | - Tobias Boeckers
- grid.424247.30000 0004 0438 0426German Center for Neurodegenerative Diseases (DZNE)-Ulm, Ulm, Germany ,grid.6582.90000 0004 1936 9748Institute for Anatomy and Cell Biology, Ulm University, Ulm, Germany
| | - Bernd Knöll
- grid.6582.90000 0004 1936 9748Institute of Neurobiochemistry, Ulm University, Ulm, Germany
| | - Maria Cristina Morganti-Kossmann
- grid.1623.60000 0004 0432 511XNational Trauma Research Institute and Department of Neurosurgery, The Alfred Hospital, Melbourne, Australia ,grid.134563.60000 0001 2168 186XDepartment of Child Health, Barrow Neurological Institute at Phoenix Children’s Hospital, University of Arizona College of Medicine, Phoenix, Phoenix, AZ USA
| | - Hilmar Bading
- grid.7700.00000 0001 2190 4373Interdisciplinary Center for Neurosciences, Department of Neurobiology, Heidelberg University, Heidelberg, Germany
| | - Francesco Roselli
- grid.6582.90000 0004 1936 9748Dept. of Neurology, Ulm University, Ulm, Germany ,grid.424247.30000 0004 0438 0426German Center for Neurodegenerative Diseases (DZNE)-Ulm, Ulm, Germany ,Present Address: Center for Biomedical Research, Helmholtzstrasse 8, 89081 Ulm, Germany
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16
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Liu F, Song C, Cai W, Chen J, Cheng K, Guo D, Duan DD, Liu Z. Shared mechanisms and crosstalk of COVID-19 and osteoporosis via vitamin D. Sci Rep 2022; 12:18147. [PMID: 36307516 PMCID: PMC9614744 DOI: 10.1038/s41598-022-23143-7] [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: 07/23/2022] [Accepted: 10/25/2022] [Indexed: 12/31/2022] Open
Abstract
Recently accumulated evidence implicates a close association of vitamin D (VitD) insufficiency to the incidence and clinical manifestations of the COVID-19 caused by severe acute respiratory syndrome coronavirus-2 (SARS-COV-2). Populations with insufficient VitD including patients with osteoporosis are more susceptible to SARS-COV-2 infection and patients with COVID-19 worsened or developed osteoporosis. It is currently unknown, however, whether osteoporosis and COVID-19 are linked by VitD insufficiency. In this study, 42 common targets for VitD on both COVID-19 and osteoporosis were identified among a total of 243 VitD targets. Further bioinformatic analysis revealed 8 core targets (EGFR, AR, ESR1, MAPK8, MDM2, EZH2, ERBB2 and MAPT) in the VitD-COVID-19-osteoporosis network. These targets are involved in the ErbB and MAPK signaling pathways critical for lung fibrosis, bone structural integrity, and cytokines through a crosstalk between COVID-19 and osteoporosis via the VitD-mediated conventional immune and osteoimmune mechanisms. Molecular docking confirmed that VitD binds tightly to the predicted targets. These findings support that VitD may target common signaling pathways in the integrated network of lung fibrosis and bone structural integrity as well as the immune systems. Therefore, VitD may serve as a preventive and therapeutic agent for both COVID-19 and osteoporosis.
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Affiliation(s)
- Fei Liu
- grid.410578.f0000 0001 1114 4286Department of Orthopedics, The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou, 646000 Sichuan China
| | - Chao Song
- grid.410578.f0000 0001 1114 4286Department of Orthopedics, The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou, 646000 Sichuan China
| | - Weiye Cai
- grid.410578.f0000 0001 1114 4286Department of Orthopedics, The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou, 646000 Sichuan China
| | - Jingwen Chen
- grid.410578.f0000 0001 1114 4286Department of Orthopedics, The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou, 646000 Sichuan China
| | - Kang Cheng
- grid.410578.f0000 0001 1114 4286Department of Orthopedics, The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou, 646000 Sichuan China
| | - Daru Guo
- grid.410578.f0000 0001 1114 4286Department of Orthopedics, The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou, 646000 Sichuan China
| | - Dayue Darrel Duan
- grid.410578.f0000 0001 1114 4286Center for Phenomics of Traditional Chinese Medicine, and the Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou, 646000 Sichuan China
| | - Zongchao Liu
- grid.410578.f0000 0001 1114 4286Department of Orthopedics, The Affiliated Hospital of Traditional Chinese Medicine of Southwest Medical University, Luzhou, 646000 Sichuan China
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17
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Huang D, Zhao C, Li R, Chen B, Zhang Y, Sun Z, Wei J, Zhou H, Gu Q, Xu J. Identification of a binding site on soluble RANKL that can be targeted to inhibit soluble RANK-RANKL interactions and treat osteoporosis. Nat Commun 2022; 13:5338. [PMID: 36097003 PMCID: PMC9468151 DOI: 10.1038/s41467-022-33006-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Accepted: 08/19/2022] [Indexed: 11/16/2022] Open
Abstract
One of the major challenges for discovering protein-protein interaction inhibitors is identifying selective and druggable binding sites at the protein surface. Here, we report an approach to identify a small molecular binding site to selectively inhibit the interaction of soluble RANKL and RANK for designing anti-osteoporosis drugs without undesirable immunosuppressive effects. Through molecular dynamic simulations, we discovered a binding site that allows a small molecule to selectively interrupt soluble RANKL-RANK interaction and without interfering with the membrane RANKL-RANK interaction. We describe a highly potent inhibitor, S3-15, and demonstrate its specificity to inhibit the soluble RANKL-RANK interaction with in vitro and in vivo studies. S3-15 exhibits anti-osteoporotic effects without causing immunosuppression. Through in silico and in vitro experiments we further confirm the binding model of S3-15 and soluble RANKL. This work might inspire structure-based drug discovery for targeting protein-protein interactions.
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Affiliation(s)
- Dane Huang
- grid.12981.330000 0001 2360 039XResearch Center for Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, 510006 China ,grid.484195.5Guangdong Provincial Key Laboratory of Research and Development in Traditional Chinese Medicine, Guangdong Provincial Second Hospital of Traditional Chinese Medicine (Guangdong Provincial Engineering Technology Research Institute of Traditional Chinese Medicine), Guangzhou, 510095 China
| | - Chao Zhao
- grid.12981.330000 0001 2360 039XResearch Center for Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, 510006 China
| | - Ruyue Li
- grid.484195.5Guangdong Provincial Key Laboratory of Research and Development in Traditional Chinese Medicine, Guangdong Provincial Second Hospital of Traditional Chinese Medicine (Guangdong Provincial Engineering Technology Research Institute of Traditional Chinese Medicine), Guangzhou, 510095 China
| | - Bingyi Chen
- grid.12981.330000 0001 2360 039XResearch Center for Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, 510006 China
| | - Yuting Zhang
- grid.12981.330000 0001 2360 039XResearch Center for Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, 510006 China
| | - Zhejun Sun
- grid.12981.330000 0001 2360 039XResearch Center for Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, 510006 China
| | - Junkang Wei
- grid.12981.330000 0001 2360 039XResearch Center for Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, 510006 China
| | - Huihao Zhou
- Research Center for Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, 510006, China.
| | - Qiong Gu
- Research Center for Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, 510006, China.
| | - Jun Xu
- Research Center for Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, 510006, China.
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18
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Szwarc MM, Hai L, Maurya VK, Rajapakshe K, Perera D, Ittmann MM, Mo Q, Lin Y, Bettini ML, Coarfa C, Lydon JP. Histopathologic and transcriptomic phenotypes of a conditional RANKL transgenic mouse thymus. Cytokine 2022; 160:156022. [PMID: 36099756 DOI: 10.1016/j.cyto.2022.156022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 08/16/2022] [Accepted: 08/22/2022] [Indexed: 11/19/2022]
Abstract
Although conventional knockout and transgenic mouse models have significantly advanced our understanding of Receptor Activator of NF-κB Ligand (RANKL) signaling in intra-thymic crosstalk that establishes self-tolerance and later stages of lymphopoiesis, the unique advantages of conditional mouse transgenesis have yet to be explored. A main advantage of conditional transgenesis is the ability to express a transgene in a spatiotemporal restricted manner, enabling the induction (or de-induction) of transgene expression during predetermined stages of embryogenesis or during defined postnatal developmental or physiological states, such as puberty, adulthood, and pregnancy. Here, we describe the K5: RANKL bigenic mouse, in which transgene derived RANKL expression is induced by doxycycline and targeted to cytokeratin 5 positive medullary thymic epithelial cells (mTECs). Short-term doxycycline induction reveals that RANKL transgene expression is significantly induced in the thymic medulla and only in response to doxycycline. Prolonged doxycycline induction in the K5: RANKL bigenic results in a significantly enlarged thymus in which mTECs are hyperproliferative. Flow cytometry showed that there is a marked enrichment of CD4+ and CD8+ single positive thymocytes with a concomitant depletion of CD4+ CD8+ double positives. Furthermore, there is an increase in the number of FOXP3+ T regulatory (Treg) cells and Ulex Europaeus Agglutinin 1+ (UEA1+) mTECs. Transcriptomics revealed that a remarkable array of signals-cytokines, chemokines, growth factors, transcription factors, and morphogens-are governed by RANKL and drive in part the K5: RANKL thymic phenotype. Extended doxycycline administration to 6-weeks results in a K5: RANKL thymus that begins to display distinct histopathological features, such as medullary epithelial hyperplasia, extensive immune cell infiltration, and central tissue necrosis. As there are intense efforts to develop clinical approaches to restore thymic medullary function in the adult to treat immunopathological conditions in which immune cell function is compromised following cancer therapy or toxin exposure, an improved molecular understanding of RANKL's involvement in thymic medulla enlargement will be required. We believe the versatility of the conditional K5: RANKL mouse represents a tractable model system to assist in addressing this requirement as well as many other questions related to RANKL's role in thymic normal physiology and disease processes.
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Affiliation(s)
- Maria M Szwarc
- Department of Molecular & Cellular Biology, United States
| | - Lan Hai
- Department of Molecular & Cellular Biology, United States
| | - Vineet K Maurya
- Department of Molecular & Cellular Biology, United States
| | | | - Dimuthu Perera
- Department of Molecular & Cellular Biology, United States
| | - Michael M Ittmann
- Department of Pathology, Baylor College of Medicine, Houston, TX, United States
| | - Qianxing Mo
- Department of Biostatistics & Bioinformatics, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL, United States
| | - Yong Lin
- Department of Pathology, University of Utah School of Medicine, Salt Lake City, Utah, United States
| | - Matthew L Bettini
- Department of Pathology, University of Utah School of Medicine, Salt Lake City, Utah, United States
| | - Cristian Coarfa
- Department of Molecular & Cellular Biology, United States
| | - John P Lydon
- Department of Molecular & Cellular Biology, United States.
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19
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Yuan W, Song C. Crosstalk between bone and other organs. MEDICAL REVIEW (BERLIN, GERMANY) 2022; 2:331-348. [PMID: 37724328 PMCID: PMC10471111 DOI: 10.1515/mr-2022-0018] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 08/06/2022] [Indexed: 09/20/2023]
Abstract
Bone has long been considered as a silent organ that provides a reservoir of calcium and phosphorus, traditionally. Recently, further study of bone has revealed additional functions as an endocrine organ connecting systemic organs of the whole body. Communication between bone and other organs participates in most physiological and pathological events and is responsible for the maintenance of homeostasis. Here, we present an overview of the crosstalk between bone and other organs. Furthermore, we describe the factors mediating the crosstalk and review the mechanisms in the development of potential associated diseases. These connections shed new light on the pathogenesis of systemic diseases and provide novel potential targets for the treatment of systemic diseases.
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Affiliation(s)
- Wanqiong Yuan
- Department of Orthopedics, Peking University Third Hospital, Beijing, China
- Beijing Key Laboratory of Spinal Disease, Beijing, China
- Engineering Research Center of Bone and Joint Precision Medicine, Beijing, China
| | - Chunli Song
- Department of Orthopedics, Peking University Third Hospital, Beijing, China
- Beijing Key Laboratory of Spinal Disease, Beijing, China
- Engineering Research Center of Bone and Joint Precision Medicine, Beijing, China
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20
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Huang F, Wong P, Li J, Lv Z, Xu L, Zhu G, He M, Luo Y. Osteoimmunology: The correlation between osteoclasts and the Th17/Treg balance in osteoporosis. J Cell Mol Med 2022; 26:3591-3597. [PMID: 35633138 PMCID: PMC9258696 DOI: 10.1111/jcmm.17399] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Revised: 04/18/2022] [Accepted: 05/05/2022] [Indexed: 11/30/2022] Open
Abstract
Osteoporosis is a bone disease that is caused by disorder of the skeletal microenvironment, and it characterized by a high disability rate and the occurrence of low energy fractures. Studies on osteoporosis and related treatment options have always been hot spots in the field of bone biology. In the past, the understanding of osteoporosis has been rather limited; research has only shown that osteoporosis involves the imbalance of bone resorption and bone formation, and recent studies have not provided cutting‐edge theories of the basic understanding of osteoporosis. Recent studies have shown crosstalk between bone and immune responses. RANKL, an essential factor for osteoclasts (OCs), is associated with the immune system. T helper (Th17)/regulatory T (Treg) cells are two different kinds of T cells that can self‐interact and regulate the differentiation and formation of OCs. Therefore, understanding the correlation between the skeletal and immune systems and further revealing the roles and the cooperation between RANKL and the Th17/Treg balance will help to provide new insights for the treatment of osteoporosis.
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Affiliation(s)
- Fei Huang
- Department of Traumatology, The Third Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Puiian Wong
- Department of Traumatology, The Third Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jinglan Li
- Department of Orthopedics, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Zheng Lv
- Department of Orthopedics, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Liangliang Xu
- Laboratory of Orthopaedics & Traumatology, Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Genfu Zhu
- Institute of Osteoporosis, The Third Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Mincong He
- Guangdong research institute for Orthopedics & Traumatology of Chinese Medicine, The Third Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yiwen Luo
- Department of Traumatology, The Third Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
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21
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Passaponti S, Ermini L, Acconci G, Severi FM, Romagnoli R, Cutrupi S, Clerico M, Guerrera G, Ietta F. Rank-Rankl-Opg Axis in Multiple Sclerosis: The Contribution of Placenta. Cells 2022; 11:cells11081357. [PMID: 35456036 PMCID: PMC9031903 DOI: 10.3390/cells11081357] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 04/08/2022] [Accepted: 04/12/2022] [Indexed: 02/01/2023] Open
Abstract
Women with multiple sclerosis (MS) can safely become pregnant and give birth, with no side effects or impediments. Pregnancy is generally accepted as a period of well-being in which relapses have a softer evolution, particularly in the third trimester. Herein, we hypothesized that the placenta, via its “secretome”, could contribute to the recognized beneficial effects of pregnancy on MS activity. We focused on a well-known receptor/ligand/decoy receptor system, such as the one composed by the receptor activator of nuclear factor-kB (RANK), its ligand (RANKL), and the decoy receptor osteoprotegerin (OPG), which have never been investigated in an integrated way in MS, pregnancy, and placenta. We reported that pregnancy at the term of gestation influences the balance between circulating RANKL and its endogenous inhibitor OPG in MS women. We demonstrated that the placenta at term is an invaluable source of homodimeric OPG. By functional studies on astrocytes, we showed that placental OPG suppresses the mRNA expression of the CCL20, a chemokine responsible for Th17 cell recruitment. We propose placental OPG as a crucial molecule for the recognized beneficial effect of late pregnancy on MS and its potential utility for the development of new and more effective therapeutic approaches.
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Affiliation(s)
- Sofia Passaponti
- Department of Life Sciences, University of Siena, 53100 Siena, Italy; (S.P.); (L.E.); (R.R.)
| | - Leonardo Ermini
- Department of Life Sciences, University of Siena, 53100 Siena, Italy; (S.P.); (L.E.); (R.R.)
| | - Giulia Acconci
- Department of Molecular and Developmental Medicine, Division of Prenatal Diagnosis and Obstetrics, University of Siena, 53100 Siena, Italy; (G.A.); (F.M.S.)
| | - Filiberto Maria Severi
- Department of Molecular and Developmental Medicine, Division of Prenatal Diagnosis and Obstetrics, University of Siena, 53100 Siena, Italy; (G.A.); (F.M.S.)
| | - Roberta Romagnoli
- Department of Life Sciences, University of Siena, 53100 Siena, Italy; (S.P.); (L.E.); (R.R.)
| | - Santina Cutrupi
- Department of Clinical and Biological Sciences, University of Turin, 10124 Turin, Italy; (S.C.); (M.C.)
| | - Marinella Clerico
- Department of Clinical and Biological Sciences, University of Turin, 10124 Turin, Italy; (S.C.); (M.C.)
| | - Gisella Guerrera
- Neuroimmunology Unit, IRCCS Fondazione Santa Lucia, 00179 Rome, Italy;
| | - Francesca Ietta
- Department of Life Sciences, University of Siena, 53100 Siena, Italy; (S.P.); (L.E.); (R.R.)
- Correspondence: ; Tel.: +39-05-7723-2370
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22
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Novel animal model of soft tissue tumor due to aberrant hedgehog signaling activation in pericyte lineage. Cell Tissue Res 2022; 388:63-73. [DOI: 10.1007/s00441-022-03578-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Accepted: 01/10/2022] [Indexed: 11/02/2022]
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23
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24
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Deng Z, Zhang Q, Zhao Z, Li Y, Chen X, Lin Z, Deng Z, Liu J, Duan L, Wang D, Li W. Crosstalk between immune cells and bone cells or chondrocytes. Int Immunopharmacol 2021; 101:108179. [PMID: 34601329 DOI: 10.1016/j.intimp.2021.108179] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 09/10/2021] [Accepted: 09/18/2021] [Indexed: 01/12/2023]
Abstract
The term "osteoimmunology" was coined to denote the bridge between the immune system and the skeletal system. Osteoimmunology is interdisciplinary, and a full understanding and development of this "bridge" will provide an in-depth understanding of the switch between body health and disease development. B lymphocytes can promote the maturation and differentiation of osteoclasts, and osteoclasts have a negative feedback effect on B lymphocytes. Different subtypes of T lymphocytes regulate osteoclasts in different directions. T lymphocytes have a two-way regulatory effect on osteoblasts, while B lymphocytes have minimal regulatory effects on osteoblasts. In contrast, osteoblasts can promote the differentiation and maturation of T lymphocytes and B lymphocytes. Different immune cells have different effects on chondrocytes; some cooperate with each other, while some antagonize each other. In a healthy adult body, bone resorption and bone formation are in a dynamic balance under the action of multiple mechanisms. In this review, we summarize the interactions and key signaling molecular mechanisms between each type of cell in the immune system and the skeletal system.
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Affiliation(s)
- Zhiqin Deng
- Hand and Foot Surgery Department, Shenzhen Second People's Hospital/ the First Hospital Affiliated to Shenzhen University, Shenzhen 518000, China
| | - Qian Zhang
- Hand and Foot Surgery Department, Shenzhen Second People's Hospital/ the First Hospital Affiliated to Shenzhen University, Shenzhen 518000, China
| | - Zhe Zhao
- Hand and Foot Surgery Department, Shenzhen Second People's Hospital/ the First Hospital Affiliated to Shenzhen University, Shenzhen 518000, China
| | - Yongshen Li
- Hand and Foot Surgery Department, Shenzhen Second People's Hospital/ the First Hospital Affiliated to Shenzhen University, Shenzhen 518000, China
| | - Xiaoqiang Chen
- Hand and Foot Surgery Department, Shenzhen Second People's Hospital/ the First Hospital Affiliated to Shenzhen University, Shenzhen 518000, China
| | - Zicong Lin
- Hand and Foot Surgery Department, Shenzhen Second People's Hospital/ the First Hospital Affiliated to Shenzhen University, Shenzhen 518000, China
| | - Zhenhan Deng
- Department of Sports Medicine, Shenzhen Second People's Hospital/ the First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen, Guangdong 518000, China
| | - Jianquan Liu
- Hand and Foot Surgery Department, Shenzhen Second People's Hospital/ the First Hospital Affiliated to Shenzhen University, Shenzhen 518000, China
| | - Li Duan
- Hand and Foot Surgery Department, Shenzhen Second People's Hospital/ the First Hospital Affiliated to Shenzhen University, Shenzhen 518000, China
| | - Daping Wang
- Hand and Foot Surgery Department, Shenzhen Second People's Hospital/ the First Hospital Affiliated to Shenzhen University, Shenzhen 518000, China.
| | - Wencui Li
- Hand and Foot Surgery Department, Shenzhen Second People's Hospital/ the First Hospital Affiliated to Shenzhen University, Shenzhen 518000, China.
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25
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Lleo A, Gershwin ME. Targeting the RANK/RANKL pathway in autoimmune disease and malignancy: future perspectives. Expert Rev Clin Immunol 2021; 17:933-936. [PMID: 34425712 DOI: 10.1080/1744666x.2021.1971972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Ana Lleo
- Department of Biomedical Sciences, Humanitas University, Milan, Italy.,Division of Internal Medicine and Hepatology, Department of Gastroenterology, IRCCS Humanitas Research Hospital, Milan, Italy
| | - M Eric Gershwin
- Division of Rheumatology, Allergy, and Clinical Immunology, University of California at Davis, Davis, CA, USA
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