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Chen Q, Chen J, Zeng R, Shi J. Path analysis to identify factors influencing osteoporosis: A cross-sectional study. Exp Gerontol 2024; 188:112392. [PMID: 38447925 DOI: 10.1016/j.exger.2024.112392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Revised: 03/01/2024] [Accepted: 03/03/2024] [Indexed: 03/08/2024]
Abstract
BACKGROUND Osteoporosis is characterized by low bone mass and deterioration of bone tissue, which is influenced by both environmental factors and nutritional metabolism. The relationship between biochemical indicators and bone mineral density (BMD) is intricate and involves complex mechanisms. Path analysis, a statistical method that investigates causal relationships and the strength of associations among multiple factors, can be valuable in elucidating the connection between biochemical indicators and BMD. METHODS In this study, we employed advanced statistical techniques, specifically structural equation modeling (SEM) to investigate the intricate interrelationships among a myriad of factors that exert influence on BMD. This analytical approach facilitated not only the identification of the direct relationships between specific variables and BMD but also the exploration of the intricate of indirect pathway through which other variables contribute to the oval impact on BMD. By delving into the direct and indirect effects, we aimed to unravel the complex influences that collectively shape the state of bone health, providing a nuanced understanding of the multifaceted nature of the factors affecting BMD. RESULTS Our findings revealed that lipid levels had a significant indirect influence on BMD, which was mediated by body mass index (BMI). BMI exhibited both direct and indirect effects on BMD. Uric acid (UA) exerted a significant direct and indirect influence on BMD, with glomerular filtration rate (GFR) acting as the mediator. However, the total effect of UA on BMD was not significant due to the cancellation of positive effect UA on BMD but negative indirect effects of UA through GFR. For females, albumin had a significant direct effect on BMD, whereas this effect was not observed in males. The path analysis models generated results that demonstrated an acceptable fit for both female data (χ2 = 9.63, df = 7, p = 0.21, comparative fit index (CFI) = 0.98, root mean square error of approximation (RMSEA) = 0.05) and male data (χ2 = 6.26, df = 4, p = 0.18, CFI = 0.97, RMSEA = 0.06). CONCLUSIONS Nutritional metabolism plays a crucial role in maintaining BMD in elderly females and males.
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Affiliation(s)
- Qiaofeng Chen
- Department of Orthopaedics, Quanzhou First Hospital Affiliated to Fujian Medical University, Quanzhou, China
| | - Jie Chen
- University of Massachusetts Boston, Boston, MA, USA
| | - Rongdong Zeng
- Department of Orthopaedics, Quanzhou First Hospital Affiliated to Fujian Medical University, Quanzhou, China.
| | - Jianhui Shi
- Department of Orthopaedics, Quanzhou First Hospital Affiliated to Fujian Medical University, Quanzhou, China.
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Yang L, He X, Zhi D, Xue Y, Gong X, Dong K, Tian Y. Melittin promotes dexamethasone in the treatment of adjuvant rheumatoid arthritis in rats. Front Pharmacol 2024; 15:1338432. [PMID: 38414737 PMCID: PMC10896847 DOI: 10.3389/fphar.2024.1338432] [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: 11/28/2023] [Accepted: 01/31/2024] [Indexed: 02/29/2024] Open
Abstract
Background: Rheumatoid arthritis (RA) is an erosive-destructive inflammation of the joints, and the chronic, long-term stiffness and deformation induced by RA are some of the symptoms of arthritis that are difficult to treat. Dexamethasone (DEX) and melittin (MLT) are two interesting anti-inflammatory substances, both of which possess anti-inflammatory effects exerted through the suppression of the immune system. The purpose of this study was to explore the role of MLT in the treatment of RA by DEX as well as to clarify the influence of MLT on the efficacy and side effects of DEX. Method: The rats were injected with Complete Freund's Adjuvant (CFA) to induce arthritis, followed by treatment with different doses of DEX and/or MLT. The relevant indexes of paw inflammation were determined, and the appetite, growth status, arthritis status, cytokine levels, and organ coefficient of the rats were evaluated. In addition, the paraffin sections of the joint tissues were prepared to analyze the pathological changes. Result: DEX exhibited side effects, notably hindering feed intake and growth, and inducing immune organ lesions in the rats. MLT significantly reduced the side effects of DEX and promoted its efficacy. DEX in combination with MLT demonstrated a synergistic efficacy in RA treatment, showing advantages in detumescence reduction, pro-inflammatory cytokine inhibition, and joint internal pathological improvement. Conclusion: Thus, MLT promoted the efficacy of DEX in adjuvant RA treatment in rats, offering an approach to reduce the use dosage and side effects of DEX.
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Affiliation(s)
- Linfu Yang
- Yunnan Provincial Engineering and Research Center for Sustainable Utilization of Honey Bee Resources, Eastern Bee Research Institute, College of Animal Science and Technology, Yunnan Agricultural University, Kunming, China
| | - Xiying He
- First Clinical Medical College, Yunnan University of Chinese Medicine, Kunming, China
| | - Dandan Zhi
- Yunnan Provincial Engineering and Research Center for Sustainable Utilization of Honey Bee Resources, Eastern Bee Research Institute, College of Animal Science and Technology, Yunnan Agricultural University, Kunming, China
| | - Yunfei Xue
- Yunnan Provincial Engineering and Research Center for Sustainable Utilization of Honey Bee Resources, Eastern Bee Research Institute, College of Animal Science and Technology, Yunnan Agricultural University, Kunming, China
| | - Xueyang Gong
- Yunnan Provincial Engineering and Research Center for Sustainable Utilization of Honey Bee Resources, Eastern Bee Research Institute, College of Animal Science and Technology, Yunnan Agricultural University, Kunming, China
| | - Kun Dong
- Yunnan Provincial Engineering and Research Center for Sustainable Utilization of Honey Bee Resources, Eastern Bee Research Institute, College of Animal Science and Technology, Yunnan Agricultural University, Kunming, China
| | - Yakai Tian
- Yunnan Provincial Engineering and Research Center for Sustainable Utilization of Honey Bee Resources, Eastern Bee Research Institute, College of Animal Science and Technology, Yunnan Agricultural University, Kunming, China
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Muggeo P, Grassi M, D'Ascanio V, Brescia V, Fontana A, Piacente L, Di Serio F, Giordano P, Faienza MF, Santoro N. Bone Remodeling Markers in Children with Acute Lymphoblastic Leukemia after Intensive Chemotherapy: The Screenshot of a Biochemical Signature. Cancers (Basel) 2023; 15:cancers15092554. [PMID: 37174020 PMCID: PMC10177249 DOI: 10.3390/cancers15092554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 04/23/2023] [Accepted: 04/24/2023] [Indexed: 05/15/2023] Open
Abstract
PURPOSE to investigate the effects of intensive chemotherapy and glucocorticoid (GC) treatment on bone remodeling markers in children with acute lymphoblastic leukemia (ALL). METHODS A cross-sectional study was carried out in 39 ALL children (aged 7.64 ± 4.47) and 49 controls (aged 8.7 ± 4.7 years). Osteoprotegerin (OPG), receptor activator of NF-κB ligand (RANKL), osteocalcin (OC), C-terminal telopeptide of type I collagen (CTX), bone alkaline phosphatase (bALP), tartrate-resistant acid phosphatase 5b (TRACP5b), procollagen type I N-terminal propeptide (P1NP), Dickkopf-1 (DKK-1), and sclerostin were assessed. Statistical analysis was conducted using the principal component analysis (PCA) to study patterns of associations in bone markers. RESULTS ALL patients showed significantly higher OPG, RANKL, OC, CTX, and TRACP5b than the controls (p ≤ 0.02). Considering ALL group, we found a strong positive correlation among OC, TRACP5b, P1NP, CTX, and PTH (r = 0.43-0.69; p < 0.001); between CTX and P1NP (r = 0.5; p = 0.001); and between P1NP and TRAcP (r = 0.63; p < 0.001). The PCA revealed OC, CTX, and P1NP as the main markers explaining the variability of the ALL cohort. CONCLUSIONS Children with ALL showed a signature of bone resorption. The assessment of bone biomarkers could help identify ALL individuals who are most at risk of developing bone damage and who need preventive interventions.
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Affiliation(s)
- Paola Muggeo
- Department of Pediatric Oncology and Hematology, University Hospital of Policlinic, 70124 Bari, Italy
| | - Massimo Grassi
- Department of Pediatric Oncology and Hematology, University Hospital of Policlinic, 70124 Bari, Italy
| | - Vito D'Ascanio
- Institute of Sciences of Food Production (ISPA), Italian National Research Council (CNR), 70126 Bari, Italy
| | - Vincenzo Brescia
- Clinical Pathology Unit, AOU Policlinico Consorziale di Bari-Ospedale Giovanni XXIII, 70124 Bari, Italy
| | - Antonietta Fontana
- Clinical Pathology Unit, AOU Policlinico Consorziale di Bari-Ospedale Giovanni XXIII, 70124 Bari, Italy
| | - Laura Piacente
- Pediatric Unit, Department of Precision and Regenerative Medicine and Ionian Area, University "A. Moro", 70124 Bari, Italy
| | - Francesca Di Serio
- Clinical Pathology Unit, AOU Policlinico Consorziale di Bari-Ospedale Giovanni XXIII, 70124 Bari, Italy
| | - Paola Giordano
- Interdisciplinary Department of Medicine, University of Bari "Aldo Moro", 70124 Bari, Italy
| | - Maria Felicia Faienza
- Pediatric Unit, Department of Precision and Regenerative Medicine and Ionian Area, University "A. Moro", 70124 Bari, Italy
| | - Nicola Santoro
- Department of Pediatric Oncology and Hematology, University Hospital of Policlinic, 70124 Bari, Italy
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Grassi G, Cairoli E, Gentile LMS, Chiodini I, Zampogna M, Ghielmetti A, Morlacchi LC, Rossetti V, Rosso L, Righi I, Nosotti M, Arosio M, Blasi F, Eller Vainicher C. Bone Disease in Long-Term Lung Transplant Survivors. Life (Basel) 2023; 13:life13040928. [PMID: 37109457 PMCID: PMC10146054 DOI: 10.3390/life13040928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 03/09/2023] [Accepted: 03/29/2023] [Indexed: 04/05/2023] Open
Abstract
Background: During the first two years after lung transplantation (LTx), the incidence of fragility fractures (FX) is estimated to be 15–50% and it is lower in patients with cystic fibrosis (CF) as compared with other end-stage lung diseases (nCF). The aim of our study is to compare the skeletal outcomes, after the first 2 years post-LTx, in long-term survivors with CF and nCF. Materials and Methods: We evaluated the FX rate, the changes in bone mineral density (BMD) and trabecular bone score (TBS) in 68 patients (38 CF and 30 nCF) who underwent LTx in our center and with a follow-up after LTx longer than 5 years (7.3 ± 2.0 years). Results: After the second year post-LTx: (i) the FX rate was lower than during the first two years post-LTx (4.4 vs. 20.6%, p = 0.004), with no difference between CF and nCF patients (5.3 vs. 3.3%, p = 0.589); (ii) BMD at lumbar spine, femoral neck and total hip remained stable (−1.6 ± 1.0 vs. −1.4 ± 1.1, p = 0.431, −1.8 ± 0.9 vs. −1.9 ± 0.9, p = 0.683, −1.5 ± 0.9 vs. −1.4 ± 0.9, p = 0.678, respectively) as well as TBS (1.200 ± 0.124 vs. 1.199 ± 0.205, p = 0.166). Conclusions: After the second year post-LTx, the skeletal complications become less frequent and have similar incidence in patients with CF and nCF.
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Affiliation(s)
- Giorgia Grassi
- Unit of Endocrinology, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
- Department of Clinical Sciences and Community Health, University of Milan, 20123 Milan, Italy
| | - Elisa Cairoli
- Unit for Bone Metabolism Diseases and Diabetes, Lab of Endocrine and Metabolic Research, Istituto Auxologico Italiano, IRCCS, 20122 Milan, Italy
| | | | - Iacopo Chiodini
- Unit of Endocrinology, Ospedale Niguarda Cà Granda, 20162 Milan, Italy
- Department of Medical Biotechnology and Translational Medicine, University of Milan, 20123 Milan, Italy
| | - Marta Zampogna
- Department of Clinical Sciences and Community Health, University of Milan, 20123 Milan, Italy
| | - Alberto Ghielmetti
- Department of Clinical Sciences and Community Health, University of Milan, 20123 Milan, Italy
| | - Letizia Corinna Morlacchi
- Respiratory Unit, Cystic Fibrosis Adult Center, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
| | - Valeria Rossetti
- Respiratory Unit, Cystic Fibrosis Adult Center, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
| | - Lorenzo Rosso
- Department of Pathophysiology and Transplantation, University of Milan, 20123 Milan, Italy
- Thoracic Surgery and Lung Transplant Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
| | - Ilaria Righi
- Thoracic Surgery and Lung Transplant Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
| | - Mario Nosotti
- Department of Pathophysiology and Transplantation, University of Milan, 20123 Milan, Italy
- Thoracic Surgery and Lung Transplant Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
| | - Maura Arosio
- Unit of Endocrinology, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
- Department of Clinical Sciences and Community Health, University of Milan, 20123 Milan, Italy
| | - Francesco Blasi
- Respiratory Unit, Cystic Fibrosis Adult Center, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
- Department of Pathophysiology and Transplantation, University of Milan, 20123 Milan, Italy
| | - Cristina Eller Vainicher
- Unit of Endocrinology, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
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Åkesson KE, Woolf AD. Osteoporosis and fragility fractures - Why is there still avoidable disability and death? Best Pract Res Clin Rheumatol 2022; 36:101792. [PMID: 36371364 DOI: 10.1016/j.berh.2022.101792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Kristina E Åkesson
- Lund University, Department of Clinical Sciences Malmö, Clinical and Molecular Osteoporosis Research Unit, Department of Geriatrics, Skåne University Hospital, Malmö, Sweden.
| | - Anthony D Woolf
- Bone and Joint Research Group, Royal Cornwall Hospital, Truro, TR1 3HD, UK.
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