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Ding P, Gao C, Zhou J, Mei J, Li G, Liu D, Li H, Liao P, Yao M, Wang B, Lu Y, Peng X, Jiang C, Yin J, Huang Y, Zheng M, Gao Y, Zhang C, Gao J. Mitochondria from osteolineage cells regulate myeloid cell-mediated bone resorption. Nat Commun 2024; 15:5094. [PMID: 38877020 PMCID: PMC11178781 DOI: 10.1038/s41467-024-49159-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Accepted: 05/24/2024] [Indexed: 06/16/2024] Open
Abstract
Interactions between osteolineage cells and myeloid cells play important roles in maintaining skeletal homeostasis. Herein, we find that osteolineage cells transfer mitochondria to myeloid cells. Impairment of the transfer of mitochondria by deleting MIRO1 in osteolineage cells leads to increased myeloid cell commitment toward osteoclastic lineage cells and promotes bone resorption. In detail, impaired mitochondrial transfer from osteolineage cells alters glutathione metabolism and protects osteoclastic lineage cells from ferroptosis, thus promoting osteoclast activities. Furthermore, mitochondrial transfer from osteolineage cells to myeloid cells is involved in the regulation of glucocorticoid-induced osteoporosis, and glutathione depletion alleviates the progression of glucocorticoid-induced osteoporosis. These findings reveal an unappreciated mechanism underlying the interaction between osteolineage cells and myeloid cells to regulate skeletal metabolic homeostasis and provide insights into glucocorticoid-induced osteoporosis progression.
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Affiliation(s)
- Peng Ding
- Department of Orthopaedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200233, Shanghai, China
- Institute of Microsurgery on Extremities, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200233, Shanghai, China
| | - Chuan Gao
- Department of Orthopaedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200233, Shanghai, China
- Institute of Microsurgery on Extremities, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200233, Shanghai, China
| | - Jian Zhou
- Department of Orthopaedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200233, Shanghai, China
- Institute of Microsurgery on Extremities, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200233, Shanghai, China
| | - Jialun Mei
- Department of Orthopaedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200233, Shanghai, China
- Institute of Microsurgery on Extremities, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200233, Shanghai, China
| | - Gan Li
- Department of Orthopaedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200233, Shanghai, China
- Institute of Microsurgery on Extremities, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200233, Shanghai, China
| | - Delin Liu
- Department of Orthopaedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200233, Shanghai, China
- Institute of Microsurgery on Extremities, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200233, Shanghai, China
| | - Hao Li
- Department of Orthopaedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200233, Shanghai, China
- Institute of Microsurgery on Extremities, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200233, Shanghai, China
| | - Peng Liao
- Department of Orthopaedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200233, Shanghai, China
- Institute of Microsurgery on Extremities, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200233, Shanghai, China
| | - Meng Yao
- Department of Orthopaedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200233, Shanghai, China
- Institute of Microsurgery on Extremities, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200233, Shanghai, China
| | - Bingqi Wang
- Department of Orthopaedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200233, Shanghai, China
- Institute of Microsurgery on Extremities, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200233, Shanghai, China
| | - Yafei Lu
- Department of Orthopaedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200233, Shanghai, China
- Institute of Microsurgery on Extremities, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200233, Shanghai, China
| | - Xiaoyuan Peng
- Department of Orthopaedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200233, Shanghai, China
| | - Chenyi Jiang
- Department of Orthopaedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200233, Shanghai, China
| | - Jimin Yin
- Department of Orthopaedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200233, Shanghai, China
| | - Yigang Huang
- Department of Orthopaedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200233, Shanghai, China
| | - Minghao Zheng
- Centre for Orthopaedic Translational Research, Medical School, University of Western Australia, Nedlands, WA, 6009, Australia
| | - Youshui Gao
- Department of Orthopaedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200233, Shanghai, China.
| | - Changqing Zhang
- Department of Orthopaedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200233, Shanghai, China.
- Institute of Microsurgery on Extremities, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200233, Shanghai, China.
| | - Junjie Gao
- Department of Orthopaedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200233, Shanghai, China.
- Institute of Microsurgery on Extremities, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200233, Shanghai, China.
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Shen X, Zhang M, Cai H, Leslie WD, Lix LM, Jiang D, Feng L, Cheng H, Shi X, Gao Y, Yang S. Associations of global biomarkers of oxidative stress with osteoporosis, bone microstructure and bone turnover: Evidence from human and animal studies. Bone 2024; 183:117077. [PMID: 38521234 DOI: 10.1016/j.bone.2024.117077] [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: 09/25/2023] [Revised: 01/31/2024] [Accepted: 03/20/2024] [Indexed: 03/25/2024]
Abstract
PURPOSE Human evidence on the association between oxidative stress and osteoporosis is inconsistent. Fluorescent Oxidation Products (FlOPs) are global biomarkers of oxidative stress. We examined the associations of FlOPs (excitation/emission wavelengths 320/420 nm for FlOP_320, 360/420 nm for FlOP_360, and 400/475 nm for FlOP_400) with osteoporosis, bone microstructure, and bone turnover markers in humans and rats. METHODS In humans, we conducted a 1:2 age, sex, hospital, and specimen-matched case-control study to test the association between FlOPs and osteoporosis diagnosed from dual-energy X-ray absorptiometry. In eight-week-old male Wistar rats, we administrated D-galactose and 0.9 % saline for 90 days in treatment and control groups (n = 8/group); micro-CT was used to determine bone microstructure. RESULTS In humans, higher levels of FlOP_320 (OR for per 1 SD increase = 1.49, 95 % CI: 1.01-2.20) and FlOP_360 (OR for per 1 SD increase = 1.59, 95 % CI: 1.07-2.37) were associated with increased odds of osteoporosis. FlOP_400 were not associated with osteoporosis. D-galactose treated rats, as compared with control rats, showed higher levels of FlOP_320 and MDA, and lower P1NP levels during 90 days of experiment (all P < 0.05). The D-galactose group had lower trabecular bone volume fraction (0.07 ± 0.03 vs. 0.13 ± 0.05; P = 0.008) and volumetric BMD (225.4 ± 13.8 vs. 279.1 ± 33.2 mg HA/cm3; P = 0.001) than the control group. CONCLUSION In conclusion, higher FlOP_320 levels were associated with increased odds of osteoporosis, impaired bone microstructure and decreased bone formation.
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Affiliation(s)
- Xue Shen
- Department of Orthopedics, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, Liaoning, China; Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, Jilin, China
| | - Mengmeng Zhang
- FAW General Hospital of Jilin Province, Changchun, Jilin, China
| | - Hanqing Cai
- Department of Endocrinology, The Second Hospital of Jilin University, Changchun, Jilin, China
| | - William D Leslie
- Department of Internal Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Lisa M Lix
- Department of Community Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Depeng Jiang
- Department of Community Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Lijie Feng
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, Jilin, China
| | - Haitao Cheng
- FAW General Hospital of Jilin Province, Changchun, Jilin, China
| | - Xianbao Shi
- Department of Pharmacy, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, Liaoning, China
| | - Yuzhong Gao
- Department of Orthopedics, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, Liaoning, China
| | - Shuman Yang
- Department of Orthopedics, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, Liaoning, China; Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, Jilin, China.
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Wang Y, Han X, Shi J, Liao Z, Zhang Y, Li Y, Jiang M, Liu M. Distinct Metabolites in Osteopenia and Osteoporosis: A Systematic Review and Meta-Analysis. Nutrients 2023; 15:4895. [PMID: 38068753 PMCID: PMC10708105 DOI: 10.3390/nu15234895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 11/04/2023] [Accepted: 11/12/2023] [Indexed: 12/18/2023] Open
Abstract
Multiple studies have indicated that distinct metabolites are involved in the occurrence and development of osteopenia (ON) and osteoporosis (OP); however, these metabolites in OP and ON have not yet been classified and standardized. This systematic review and meta-analysis included 21 articles aiming to investigate the distinct metabolites in patients with ON and OP. The quality of the included articles was generally high; seventeen studies had >7 stars, and the remaining four received 6 stars. This systematic review showed that three metabolites (phosphatidylcholine (PC) (lipid metabolites), galactose (carbohydrate metabolites), and succinic acid (other metabolites)) increased, four (glycylglycine (gly-gly), cystine (amino acids), sphingomyelin (SM) (lipid metabolites) and glucose (carbohydrate metabolites)) decreased, and five (glutamine, hydroxyproline, taurine (amino acids), lysophosphatidylcholine (LPC) (lipid metabolites), and lactate (other metabolites)) had conflicting directions in OP/ON. The results of the meta-analysis show that gly-gly (MD = -0.77, 95%CI -1.43 to -0.11, p = 0.02) and cystine (MD = -5.52, 95%CI -7.35 to -3.68, p < 0.00001) decreased in the OP group compared with the healthy control group. Moreover, LPC (MD = 1.48, 95%CI 0.11 to 2.86, p = 0.03) increased in the OP group compared with the healthy control group. These results indicate that distinct metabolites were associated with ON and OP, which could be considered a predictor for OP.
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Affiliation(s)
- Yuhe Wang
- Beijing Key Laboratory of Traditional Chinese Medicine Basic Research on Prevention and Treatment for Major Diseases, Experimental Research Center, China Academy of Chinese Medical Sciences, Beijing 100700, China; (Y.W.); (J.S.); (Z.L.); (Y.Z.); (Y.L.)
| | - Xu Han
- Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing 100700, China;
| | - Jingru Shi
- Beijing Key Laboratory of Traditional Chinese Medicine Basic Research on Prevention and Treatment for Major Diseases, Experimental Research Center, China Academy of Chinese Medical Sciences, Beijing 100700, China; (Y.W.); (J.S.); (Z.L.); (Y.Z.); (Y.L.)
| | - Zeqi Liao
- Beijing Key Laboratory of Traditional Chinese Medicine Basic Research on Prevention and Treatment for Major Diseases, Experimental Research Center, China Academy of Chinese Medical Sciences, Beijing 100700, China; (Y.W.); (J.S.); (Z.L.); (Y.Z.); (Y.L.)
| | - Yuanyue Zhang
- Beijing Key Laboratory of Traditional Chinese Medicine Basic Research on Prevention and Treatment for Major Diseases, Experimental Research Center, China Academy of Chinese Medical Sciences, Beijing 100700, China; (Y.W.); (J.S.); (Z.L.); (Y.Z.); (Y.L.)
| | - Yuanyuan Li
- Beijing Key Laboratory of Traditional Chinese Medicine Basic Research on Prevention and Treatment for Major Diseases, Experimental Research Center, China Academy of Chinese Medical Sciences, Beijing 100700, China; (Y.W.); (J.S.); (Z.L.); (Y.Z.); (Y.L.)
| | - Miao Jiang
- Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing 100700, China;
| | - Meijie Liu
- Beijing Key Laboratory of Traditional Chinese Medicine Basic Research on Prevention and Treatment for Major Diseases, Experimental Research Center, China Academy of Chinese Medical Sciences, Beijing 100700, China; (Y.W.); (J.S.); (Z.L.); (Y.Z.); (Y.L.)
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Yang S, Feng L, Lix LM, Leslie WD, Guo D, Shi X, Yuan B. Global biomarkers of oxidative stress and fractures: a matched case-control study. Front Endocrinol (Lausanne) 2023; 14:1179521. [PMID: 37448464 PMCID: PMC10338181 DOI: 10.3389/fendo.2023.1179521] [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: 03/04/2023] [Accepted: 05/23/2023] [Indexed: 07/15/2023] Open
Abstract
Background Evidence for a relationship between oxidative stress and osteoporotic fractures in humans is limited. Fluorescent oxidation products (FlOPs, excitation/emission wavelengths 320/420nm denoted FlOP_320; 360/420nm [FlOP_360]; and 400/475nm [FlOP_400]) are global biomarkers of oxidative stress, and reflect oxidative damage to proteins, phospholipids, and nucleic acids. We investigated the association between FlOPs and a recent osteoporotic fracture. Methods We conducted a case-control study in a Chinese population aged 50 years or older. A recent osteoporotic fracture in the cases was confirmed by x-ray. Cases were matched with community-based non-fracture controls (1:2 ratio) for age (± 4 years) and sex. In addition, we conducted a sensitivity unmatched case-control study which included all fracture cases and all eligible non-fracture controls prior to matching. Plasma FlOPs were measured with a fluorescent microplate reader. We used unconditional logistic regression to analyze the association between FlOPs (per 1-SD increase in logarithmic scale) and fracture; odds ratios (OR) and 95% confidence intervals (95% CI) were reported. Results Forty-four cases and 88 matched controls (mean age: 68.2 years) were included. After covariate adjustment (i.e., body mass index, physical activity, and smoking), higher FlOP_360 (OR = 1.85; 95% CI = 1.03 - 3.34) and FlOP_400 (OR = 13.29; 95% CI = 3.48 - 50.69) levels, but not FlOP_320 (OR = 0.56; 95% CI = 0.27 - 1.15), were associated with increased fracture risk. Subgroup analyses by fracture site and unmatched case-control study found comparable associations of FlOP_360 and FlOP_400 with hip and non-hip fractures. Conclusions Higher FlOP_360 and FlOP_400 levels were associated with increased risk of fracture, and this association was comparable for hip and non-hip fractures. Prospective studies are warranted to confirm this finding.
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Affiliation(s)
- Shuman Yang
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, Jilin, China
- Department of Orthopedics, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, Liaoning, China
| | - Lijie Feng
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, Jilin, China
| | - Lisa M. Lix
- Department of Community Health Sciences, University of Manitoba, Winnipeg, MB, Canada
| | - William D. Leslie
- Department of Internal Medicine, University of Manitoba, Winnipeg, MB, Canada
| | - Dingjie Guo
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, Jilin, China
| | - Xianbao Shi
- Department of Pharmacy, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, Liaoning, China
| | - Baoming Yuan
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, Jilin, China
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Cavati G, Pirrotta F, Merlotti D, Ceccarelli E, Calabrese M, Gennari L, Mingiano C. Role of Advanced Glycation End-Products and Oxidative Stress in Type-2-Diabetes-Induced Bone Fragility and Implications on Fracture Risk Stratification. Antioxidants (Basel) 2023; 12:antiox12040928. [PMID: 37107303 PMCID: PMC10135862 DOI: 10.3390/antiox12040928] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 04/06/2023] [Accepted: 04/12/2023] [Indexed: 04/29/2023] Open
Abstract
Type 2 diabetes (T2D) and osteoporosis (OP) are major causes of morbidity and mortality that have arelevant health and economic burden. Recent epidemiological evidence suggests that both of these disorders are often associated with each other and that T2D patients have an increased risk of fracture, making bone an additional target of diabetes. As occurs for other diabetic complications, the increased accumulation of advanced glycation end-products (AGEs) and oxidative stress represent the major mechanisms explaining bone fragility in T2D. Both of these conditions directly and indirectly (through the promotion of microvascular complications) impair the structural ductility of bone and negatively affect bone turnover, leading to impaired bone quality, rather than decreased bone density. This makes diabetes-induced bone fragility remarkably different from other forms of OP and represents a major challenge for fracture risk stratification, since either the measurement of BMD or the use of common diagnostic algorithms for OP have a poor predictive value. We review and discuss the role of AGEs and oxidative stress on the pathophysiology of bone fragility in T2D, providing some indications on how to improve fracture risk prediction in T2D patients.
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Affiliation(s)
- Guido Cavati
- Department of Medicine, Surgery and Neurosciences, University of Siena, 53100 Siena, Italy
| | - Filippo Pirrotta
- Department of Medicine, Surgery and Neurosciences, University of Siena, 53100 Siena, Italy
| | - Daniela Merlotti
- Department of Medicine, Surgery and Neurosciences, University of Siena, 53100 Siena, Italy
| | - Elena Ceccarelli
- Department of Medicine, Surgery and Neurosciences, University of Siena, 53100 Siena, Italy
| | - Marco Calabrese
- Department of Medicine, Surgery and Neurosciences, University of Siena, 53100 Siena, Italy
| | - Luigi Gennari
- Department of Medicine, Surgery and Neurosciences, University of Siena, 53100 Siena, Italy
| | - Christian Mingiano
- Department of Medicine, Surgery and Neurosciences, University of Siena, 53100 Siena, Italy
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Dietary Antioxidants, Quality of Nutrition and Cardiovascular Characteristics among Omnivores, Flexitarians and Vegetarians in Poland-The Results of Multicenter National Representative Survey WOBASZ. Antioxidants (Basel) 2023; 12:antiox12020222. [PMID: 36829779 PMCID: PMC9952668 DOI: 10.3390/antiox12020222] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 01/12/2023] [Accepted: 01/14/2023] [Indexed: 01/20/2023] Open
Abstract
Several reports have shown that more plant-based dietary patterns provide a higher intake of antioxidants compared to diets rich in meat and animal products. Data on the intake of key nutrients in cardiovascular disease (CVD) prevention in relation to particular diets in countries of Central and Eastern Europe are scarce. The aim of this study was to assess quality of nutrition and CVD characteristics in a representative sample of Polish adults following different dietary patterns. Special regard was paid to the intake of natural antioxidants. The study comprised 13,318 (7159 females) randomly selected adults aged ≥ 20 years participating in the National Multicentre Health Surveys WOBASZ and WOBASZ II. The subjects were categorized into groups of omnivores (92.4%), flexitarians (7.4%) and vegetarians (0.16%) according to type of diet using the Food Frequency Questionnaire and 24 h dietary recall. The obtained results showed that neither flexitarians nor vegetarians represented better dietary habits or lifestyle behaviors compared to omnivores. Flexitarians had significantly lower daily energy intake than omnivores, but their diet was rich in total fat (above 30% of daily energy consumption) and low in fiber. Omnivores declared a higher consumption of fresh vegetables (p < 0.001), fresh fruit (p < 0.01), coffee (p < 0.01) and tea (p < 0.05, in women only) than flexitarians. Omnivores had significantly higher intake of natural antioxidants (vitamin C, E, zinc in both genders and vitamin A in men) as compared with flexitarians. Among women, the highest adherence to the intake of recommended amounts of antioxidant nutrients was noted among omnivores. Among men, vegetarians had the highest proportion of meeting the guidelines for vitamin A (77.8%), E (66.7%) and C (66.7%), while the lowest proportions were found in flexitarians (69.9%, 39.5% and 32.4%, respectively). The groups did not differ in terms of smoking and physical activity level. There were no significant differences in the analyzed CVD characteristics between omnivores and flexitarians. In women, vegetarians had substantially lower BMI than omnivores (p < 0.05) and flexitarians (p < 0.05) and a lower mean serum glucose compared with omnivores (p < 0.01) and flexitarians (p < 0.05). Vegetarians had lower prevalence of hypertension and obesity than meat eaters. In conclusion, the results of the current research showed an inappropriate intake of several nutrients, including highly potent antioxidants, irrespective of the dietary regimen. Flexitarians did not have a more favorable CVD profile than omnivores. Taking into account the growing popularity of diets with reduced animal products, there is a need to elaborate strategies providing Polish adults with guidance regarding properly balanced nutrition.
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Shen X, Liu Y, Zhao Q, Cheng H, Li B, Vuong AM, Fan Y, Zhang M, Yang S. Association between global biomarker of oxidative stress and quantitative ultrasound parameters in middle-aged and elderly adults: A cross-sectional study. Front Public Health 2023; 10:1032550. [PMID: 36684980 PMCID: PMC9853916 DOI: 10.3389/fpubh.2022.1032550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 12/15/2022] [Indexed: 01/07/2023] Open
Abstract
Introduction With the population aging, osteoporosis has become a major public health concern. Elevated oxidative stress is a vital detrimental factor for bone health. Compared to common oxidative stress-related biomarkers, Fluorescent Oxidation Products (FlOPs) reflect the global levels of oxidation from proteins, lipids, and DNA. Nevertheless, whether plasma FlOP levels are related to bone health measured by Quantitative ultrasound (QUS) is unclear. Thus, the present study examined the association between FlOPs and QUS parameters in middle-aged and elderly adults. Methods This community-based cross-sectional study was conducted in Changchun, northeast China. Plasma FlOPs were determined by a fluorescent microplate reader at a wavelength of 320/420 nm (excitation/emission). QUS parameters [speed of sound (SOS) and broadband ultrasound attenuation (BUA)] of the calcaneus were assessed by an ultrasound bone densitometer. We used multivariable linear regression to examine the association between FlOPs and QUS parameters. Results A total of 491 subjects were included in this study. Their average age was 65.2 years (standard deviation [SD]: 9.7 years). FlOPs were inversely associated with SOS (β for an increase of logarithmic interquartile range = -10.64; P = 0.018). Higher FlOP levels were marginally associated with lower SOS in females (β for an increase of logarithmic interquartile range = -9.68, P = 0.066), but not in males (β for an increase of logarithmic interquartile range = -11.84, P = 0.131). No significant relationship between FlOPs and BUA was observed. Conclusions Plasma FlOP levels were inversely associated with SOS, but not with BUA in middle-aged and elderly adults.
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Affiliation(s)
- Xue Shen
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, China
| | - Yawen Liu
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, China
| | - Qianqian Zhao
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, China
| | - Haitao Cheng
- FAW General Hospital of Jilin Province, Changchun, China
| | - Binbin Li
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, China
| | - Ann M. Vuong
- Department of Epidemiology and Biostatistics, School of Public Health, University of Nevada, Las Vegas, NV, United States
| | - Yiliang Fan
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, China
| | - Mengmeng Zhang
- FAW General Hospital of Jilin Province, Changchun, China
| | - Shuman Yang
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, China
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Li H, Wang C, Jin Y, Cai Y, Yao J, Meng Q, Wu J, Wang H, Sun H, Liu M. Anti-Postmenopausal osteoporosis effects of Isopsoralen: A bioinformatics-integrated experimental study. Phytother Res 2023; 37:231-251. [PMID: 36123318 DOI: 10.1002/ptr.7609] [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: 05/08/2022] [Revised: 08/09/2022] [Accepted: 08/19/2022] [Indexed: 01/19/2023]
Abstract
Isopsoralen (IPRN), which comes from the fruit of Psoralea corylifolia, has been identified as a kind of phytoestrogen and has been proven to be effective for the treatment of osteoporosis (OP). However, the mechanisms underlying IPRN's anti-OP effects, especially the anti-postmenopausal osteoporosis (PMOP) effects, remain indistinct. Thus, this study aimed to investigate the effects and mechanisms of IPRN's anti-PMOP activity. In this study, the bioinformatics results predicted that IPRN could resist PMOP by targeting EGFR, AKT1, SRC, CCND1, ESR1 (ER-α), AR, PGR, BRCA1, PTGS2, and IGF1R. An ovariectomized (OVX) mice model and a H2 O2 -induced bone marrow mesenchyml stem cells (BMSCs) model confirmed that IPRN could inhibit the bone loss induced by OVX in mice and promote the osteogenic differentiation in H2 O2 -induced BMSCs by inhibiting oxidative stress and apoptosis. Moreover, IPRN could significantly produce the above effects by upregulating ESR1. IPRN might be a therapeutic agent for PMOP by acting as an estrogen replacement agent and a natural antioxidant.
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Affiliation(s)
- Hao Li
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian, China.,Academy of Integrative Medicine, Dalian Medical University, Dalian, China
| | - Changyuan Wang
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian, China
| | - Yue Jin
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian, China
| | - Yuanqing Cai
- Department of Orthopaedics, the First Affiliated Hospital, Dalian Medical University, Dalian, China
| | - Jialin Yao
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian, China
| | - Qiang Meng
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian, China
| | - Jingjing Wu
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian, China
| | - Huihan Wang
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian, China
| | - Huijun Sun
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian, China.,Academy of Integrative Medicine, Dalian Medical University, Dalian, China
| | - Mozhen Liu
- Department of Orthopaedics, the First Affiliated Hospital, Dalian Medical University, Dalian, China
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Lin C, Yang Q, Guo D, Xie J, Yang YS, Chaugule S, DeSouza N, Oh WT, Li R, Chen Z, John AA, Qiu Q, Zhu LJ, Greenblatt MB, Ghosh S, Li S, Gao G, Haynes C, Emerson CP, Shim JH. Impaired mitochondrial oxidative metabolism in skeletal progenitor cells leads to musculoskeletal disintegration. Nat Commun 2022; 13:6869. [PMID: 36369293 PMCID: PMC9652319 DOI: 10.1038/s41467-022-34694-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Accepted: 10/27/2022] [Indexed: 11/13/2022] Open
Abstract
Although skeletal progenitors provide a reservoir for bone-forming osteoblasts, the major energy source for their osteogenesis remains unclear. Here, we demonstrate a requirement for mitochondrial oxidative phosphorylation in the osteogenic commitment and differentiation of skeletal progenitors. Deletion of Evolutionarily Conserved Signaling Intermediate in Toll pathways (ECSIT) in skeletal progenitors hinders bone formation and regeneration, resulting in skeletal deformity, defects in the bone marrow niche and spontaneous fractures followed by persistent nonunion. Upon skeletal fracture, Ecsit-deficient skeletal progenitors migrate to adjacent skeletal muscle causing muscle atrophy. These phenotypes are intrinsic to ECSIT function in skeletal progenitors, as little skeletal abnormalities were observed in mice lacking Ecsit in committed osteoprogenitors or mature osteoblasts. Mechanistically, Ecsit deletion in skeletal progenitors impairs mitochondrial complex assembly and mitochondrial oxidative phosphorylation and elevates glycolysis. ECSIT-associated skeletal phenotypes were reversed by in vivo reconstitution with wild-type ECSIT expression, but not a mutant displaying defective mitochondrial localization. Collectively, these findings identify mitochondrial oxidative phosphorylation as the prominent energy-driving force for osteogenesis of skeletal progenitors, governing musculoskeletal integrity.
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Affiliation(s)
- Chujiao Lin
- Department of Medicine/Division of Rheumatology, UMass Chan Medical School, Worcester, MA, USA
| | - Qiyuan Yang
- Department of Molecular, Cell and Cancer Biology, UMass Chan Medical School, Worcester, MA, USA
| | - Dongsheng Guo
- Department of Neurology, UMass Chan Medical School, Worcester, MA, USA
| | - Jun Xie
- Horae Gene Therapy Center, UMass Chan Medical School, Worcester, MA, USA
- Department of Microbiology and Physiological Systems, UMass Chan Medical School, Worcester, MA, USA
- Viral Vector Core, UMass Chan Medical School, Worcester, MA, USA
| | - Yeon-Suk Yang
- Department of Medicine/Division of Rheumatology, UMass Chan Medical School, Worcester, MA, USA
| | - Sachin Chaugule
- Department of Medicine/Division of Rheumatology, UMass Chan Medical School, Worcester, MA, USA
| | - Ngoc DeSouza
- Department of Medicine/Division of Rheumatology, UMass Chan Medical School, Worcester, MA, USA
| | - Won-Taek Oh
- Department of Medicine/Division of Rheumatology, UMass Chan Medical School, Worcester, MA, USA
| | - Rui Li
- Department of Molecular, Cell and Cancer Biology, UMass Chan Medical School, Worcester, MA, USA
| | - Zhihao Chen
- Department of Medicine/Division of Rheumatology, UMass Chan Medical School, Worcester, MA, USA
| | - Aijaz A John
- Department of Medicine/Division of Rheumatology, UMass Chan Medical School, Worcester, MA, USA
| | - Qiang Qiu
- Department of Medicine/Division of Rheumatology, UMass Chan Medical School, Worcester, MA, USA
| | - Lihua Julie Zhu
- Department of Molecular, Cell and Cancer Biology, UMass Chan Medical School, Worcester, MA, USA
| | - Matthew B Greenblatt
- Department of Pathology and Laboratory Medicine, Weill Cornell Medical College, Cornell University, New York, NY, USA
- Research Divisions, Hospital for Special Surgery, New York, NY, USA
| | - Sankar Ghosh
- Department of Microbiology and Immunology, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA
| | - Shaoguang Li
- Department of Medicine/Division of Rheumatology, UMass Chan Medical School, Worcester, MA, USA
| | - Guangping Gao
- Horae Gene Therapy Center, UMass Chan Medical School, Worcester, MA, USA
- Department of Microbiology and Physiological Systems, UMass Chan Medical School, Worcester, MA, USA
- Viral Vector Core, UMass Chan Medical School, Worcester, MA, USA
- Li Weibo Institute for Rare Diseases Research, UMass Chan Medical School, Worcester, MA, USA
| | - Cole Haynes
- Department of Molecular, Cell and Cancer Biology, UMass Chan Medical School, Worcester, MA, USA
| | - Charles P Emerson
- Department of Neurology, UMass Chan Medical School, Worcester, MA, USA
- Wellstone Muscular Dystrophy Program, UMass Chan Medical School, Worcester, MA, USA
| | - Jae-Hyuck Shim
- Department of Medicine/Division of Rheumatology, UMass Chan Medical School, Worcester, MA, USA.
- Horae Gene Therapy Center, UMass Chan Medical School, Worcester, MA, USA.
- Li Weibo Institute for Rare Diseases Research, UMass Chan Medical School, Worcester, MA, USA.
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10
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Liu M, Yang C, Chu Q, Fu X, Zhang Y, Sun G. Superoxide Dismutase and Glutathione Reductase as Indicators of Oxidative Stress Levels May Relate to Geriatric Hip Fractures' Survival and Walking Ability: A Propensity Score Matching Study. Clin Interv Aging 2022; 17:1081-1090. [PMID: 35855743 PMCID: PMC9288178 DOI: 10.2147/cia.s370970] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Accepted: 06/30/2022] [Indexed: 02/01/2023] Open
Abstract
Background Oxidative stress status may affect bone metabolism and regeneration. However, few studies reported whether oxidative stress could impact the outcomes of hip fractures. This study aimed to explore if superoxide dismutase and glutathione reductase, the critical antioxidant enzymes, correlated with the prognosis of hip fractures. Methods Patients with hip fractures were extracted from our database, and those who met the inclusion criteria were analyzed. Propensity score matching was used to reduce the influence of confounding factors, and ROC curves based on matched populations were created to determine the optimal cutoff points of SOD and GR. Then, outcomes between SOD or GR and outcomes of hip fractures were compared. Results Out of 301 patients enrolled in this study, 50 patients died within one year. After a 1:1 PSM, the patients with less than 1-year survival had significantly lower SOD (p = 0.026) and GR (p = 0.021) than those who were still alive at one year. Logistics analysis showed that low SOD and low GR may be independent risk factors for 6-month survival, 1-year survival, 6-month free walking ability, and 1-year free walking ability. Conclusion SOD and GR may be the independent risk factors for survival and walking abilities of hip fractures.
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Affiliation(s)
- Mingchong Liu
- Department of Traumatic Surgery, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, People's Republic of China
| | - Chensong Yang
- Department of Traumatic Surgery, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, People's Republic of China
| | - Qining Chu
- Emergency Trauma Center, Nanyang Second General Hospital, Nanyang, People's Republic of China
| | - Xiao Fu
- Department of Traumatic Surgery, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, People's Republic of China
| | - Yue Zhang
- Department of Traumatic Surgery, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, People's Republic of China
| | - Guixin Sun
- Department of Traumatic Surgery, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, People's Republic of China
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Brozek W, Ulmer H, Pompella A, Nagel G, Leiherer A, Preyer O, Concin H, Zitt E. Gamma-glutamyl-transferase is associated with incident hip fractures in women and men ≥ 50 years: a large population-based cohort study. Osteoporos Int 2022; 33:1295-1307. [PMID: 35059776 DOI: 10.1007/s00198-022-06307-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 01/08/2022] [Indexed: 12/30/2022]
Abstract
UNLABELLED The association of serum gamma-glutamyl-transferase (GGT) with hip fracture risk has not been examined in women and men ≥ 50 years. We show that elevated GGT was associated with increased hip fracture risk, particularly in men. GGT could be a candidate serum marker of long-term hip fracture risk in the elderly. INTRODUCTION We herein examined a possible relation between serum levels of GGT and hip fracture risk in women and men aged ≥ 50 years, which has not been investigated before. METHODS In this population-based prospective cohort study, approximately 41,000 women and nearly 33,000 men ≥ 50 years participating in a medical prevention program 1985-2005 in western Austria were followed up for the occurrence of osteoporotic hip fractures during 2003-2013. ICD-10 based discharge diagnoses for hip fracture included S72.0, S72.1, and S72.2 available from all regional hospitals. GGT-related hip fracture risk was ascertained at each participant´s first and last examination during the prevention program. In a subset of 5445 participants, alcohol consumption could be included as a covariate. RESULTS In men, hip fracture risk rose significantly by 75% and 86% for every tenfold increase of GGT measured at the first and last examination, respectively, and in women, hip fracture risk rose by 22% from the last examination. Elevated GGT (≥ 36 U/l in women, ≥ 56 U/l in men) at the first examination was associated with increased hip fracture risk only in men (HR 1.51, 95% CI 1.25-1.82), and at the last examination in both women (HR 1.14, 95% CI 1.02-1.28) and men (HR 1.61, 95% CI 1.33-1.95). Alcohol consumption had no significant influence on GGT-mediated hip fracture risk in women and men. CONCLUSIONS Our findings identified an association of elevated GGT and hip fracture in women and men ≥ 50 years and suggest GGT as a candidate serum marker of long-term hip fracture risk in an elderly population.
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Affiliation(s)
- W Brozek
- Agency for Preventive and Social Medicine, Bregenz, Austria.
| | - H Ulmer
- Agency for Preventive and Social Medicine, Bregenz, Austria
- Department of Medical Statistics, Informatics and Health Economics, Innsbruck Medical University, Innsbruck, Austria
| | - A Pompella
- Department of Translational Research and New Technologies in Medicine and Surgery, Università Di Pisa, Pisa, Italy
| | - G Nagel
- Agency for Preventive and Social Medicine, Bregenz, Austria
- Institute of Epidemiology and Medical Biometry, Ulm University, Ulm, Germany
| | - A Leiherer
- Vorarlberg Institute for Vascular Investigation and Treatment (VIVIT), Feldkirch, Austria
- Private University of the Principality of Liechtenstein, Triesen, Liechtenstein
- Medical Central Laboratories, Feldkirch, Austria
| | - O Preyer
- Agency for Preventive and Social Medicine, Bregenz, Austria
| | - H Concin
- Agency for Preventive and Social Medicine, Bregenz, Austria
| | - E Zitt
- Agency for Preventive and Social Medicine, Bregenz, Austria
- Vorarlberg Institute for Vascular Investigation and Treatment (VIVIT), Feldkirch, Austria
- Department of Internal Medicine 3 (Nephrology and Dialysis), Feldkirch Academic Teaching Hospital, Feldkirch, Austria
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12
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Shen X, Peng C, Zhao Y, Zhong L, Cai H, Kan B, Zhang Y, Xue S, Qiao W, Zhao Q, Guo D, Li B, Vuong AM, Yang S. Plasma Fluorescent Oxidation Products and Bone Mineral Density Among Male Veterans: A Cross-Sectional Study. J Clin Densitom 2022; 25:141-149. [PMID: 34716086 DOI: 10.1016/j.jocd.2021.09.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 09/12/2021] [Accepted: 09/21/2021] [Indexed: 02/03/2023]
Abstract
In vitro and vivo studies indicate that oxidative stress contributes to bone loss. Fluorescent oxidation products (FlOPs) are novel biomarkers of oxidative stress; they reflect global oxidative damage of lipids, proteins, carbohydrates, and DNA. However, whether FlOPs are associated with bone mineral density (BMD) is still unclear. In the present study, we examined the association between FlOPs and BMD among male veterans. This cross-sectional study was conducted among participants recruited from the Department of Medical Examination, The Second Hospital of Jilin University in Jilin, China. We identified male veterans who were at least 50 y old between June and October of 2019. Plasma FlOPs were measured with a fluorescent microplate reader (excitation/emission wavelength: 320/420 nm). BMD were measured by dual-energy X-ray absorptiometry (DXA). The association between FlOPs and BMD was tested by multivariable linear regression models. A total of 164 male veterans were enrolled in the study, the average age was 56.6 y. After adjusting for covariates, veterans who had FlOP levels in the highest tertile had a statistically significant lower femoral neck (β = -0.044; p = 0.007) and total hip BMD (β = -0.045; p = 0.020) as compared to those with FlOP levels in the lowest tertile. Similar results were found when FlOPs were treated as a continuous variable (per 1-SD increase, β = -0.014 and p = 0.033 for femoral neck BMD; β = -0.016 and p = 0.047 for total hip BMD). Higher FlOP levels were associated with lower BMD among male veterans.
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Affiliation(s)
- Xue Shen
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, Jilin, China
| | - Chuangang Peng
- Department of Orthopaedics, The Second Hospital of Jilin University, Changchun, Jilin, China
| | - Yan Zhao
- Department of Medical Examination, The Second Hospital of Jilin University, Changchun, Jilin, China
| | - Lili Zhong
- Department of Molecular and Chemical Genetic Laboratory, The Second Hospital of Jilin University, Changchun, Jilin, China
| | - Hanqing Cai
- Department of Endocrinology, The Second Hospital of Jilin University, Changchun, Jilin, China
| | - Bo Kan
- Department of Laboratory Medicine, The Second Hospital of Jilin University, Changchun, Jilin, China
| | - Yuzheng Zhang
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, Jilin, China
| | - Shanshan Xue
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, Jilin, China
| | - Wenjing Qiao
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, Jilin, China
| | - Qianqian Zhao
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, Jilin, China
| | - Dingjie Guo
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, Jilin, China
| | - Binbin Li
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, Jilin, China
| | - Ann M Vuong
- Department of Epidemiology and Biostatistics, School of Public Health, University of Nevada, Las Vegas, NV, USA
| | - Shuman Yang
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, Jilin, China.
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13
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Vázquez-Lorente H, Molina-López J, Herrera-Quintana L, Gamarra-Morales Y, Quintero-Osso B, López-González B, Planells E. Good antioxidant response of erythrocyte Zn levels after supplementation with Zn in a postmenopausal population. A double-blind randomized trial. Exp Gerontol 2022; 162:111766. [DOI: 10.1016/j.exger.2022.111766] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 02/09/2022] [Accepted: 03/07/2022] [Indexed: 11/04/2022]
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14
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Jiang XY, Wang Q, Zhang Y, Chen Y, Wu LF. Association of High Serum Chemerin with Bone Mineral Density Loss and Osteoporotic Fracture in Elderly Chinese Women. Int J Womens Health 2022; 14:107-118. [PMID: 35140527 PMCID: PMC8818771 DOI: 10.2147/ijwh.s337985] [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: 10/12/2021] [Accepted: 12/29/2021] [Indexed: 11/23/2022] Open
Abstract
Background Chemerin has been suggested to be a risk factor for osteoporosis; however, its relationship with osteoporotic fracture is poorly understood. Herein, we intend to explore the association between serum chemerin and osteoporotic fracture. Methods A total of 111 elderly women patients diagnosed with osteoporotic fracture were selected as the observation group, and 40 healthy subjects were enrolled as controls. Dual-energy X-ray absorptiometry, enzyme-linked immunosorbent assay, electrochemiluminescence immunoassay, and biochemical analysis were separately performed to determine body bone mineral density (BMD), chemerin levels, bone turnover markers, and other parameters. Pearson's correlation analysis was conducted to examine a relationship between chemerin and laboratory parameters. Moreover, the levels of chemokine-like receptor 1 (CMKLR), C-C motif chemokine receptor-like 2 (CCRL2), collagen type I alpha (COLA1), and runt-related transcription factor-2 (RUNX2) were confirmed by quantitative polymerase chain reaction, and the effect of chemerin on osteogenic differentiation of hFOB1.19 cells was indicated by tartrate-resistant acid phosphatase and alkaline phosphatase double staining. Results A higher level of chemerin was generally detected in patients with osteoporotic fracture compared with those without (P<0.05). Compared with controls, lower BMD levels and higher β-CTx and P1NP levels were detected in patients with osteoporotic fracture (all P<0.05). Interestingly, chemerin level was negatively correlated to BMD, but positively related to P1NP and β-CTx. Risk of osteoporotic fracture was 2.75-fold higher in subjects with each standard deviation increment of chemerin. Compared with controls, there were no significant differences in CMKLR1 and CCRL2 mRNA after incubation with osteogenic differentiation medium (all P>0.05), whereas there was a remarkable decrease of COLA1 and RUNX2 after incubation with chemerin for nine days (all P<0.05). Furthermore, prolonged incubation with chemerin enhanced osteoclast differentiation and maturation, consequently contributing to an increased risk of fracture. Conclusion Chemerin is a strong and independent risk factor for osteoporosis-related fracture among elderly Chinese women.
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Affiliation(s)
- Xi-Yuan Jiang
- Center of Osteoporosis, Kunshan Hospital of Traditional Chinese Medicine, Kunshan, Jiangsu, 215300, People's Republic of China.,School of Medicine, Southeast University, Nanjing, Jiangsu, 210009, People's Republic of China
| | - Qing Wang
- Center of Osteoporosis, Kunshan Hospital of Traditional Chinese Medicine, Kunshan, Jiangsu, 215300, People's Republic of China
| | - Ying Zhang
- Department of Clinical Laboratory, Kunshan Hospital of Traditional Chinese Medicine, Kunshan, Jiangsu, 215300, People's Republic of China
| | - Yong Chen
- Center of Osteoporosis, Kunshan Hospital of Traditional Chinese Medicine, Kunshan, Jiangsu, 215300, People's Republic of China
| | - Long-Fei Wu
- School of Public Health, Medical College of Soochow University, Suzhou, Jiangsu, 215123, People's Republic of China
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15
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Liu HD, Ren MX, Li Y, Zhang RT, Ma NF, Li TL, Jiang WK, Zhou Z, Yao XW, Liu ZY, Yang M. Melatonin alleviates hydrogen peroxide induced oxidative damage in MC3T3-E1 cells and promotes osteogenesis by activating SIRT1. Free Radic Res 2022; 56:63-76. [PMID: 35109721 DOI: 10.1080/10715762.2022.2037580] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Oxidative stress is an important contributor to the development of osteoporosis. Melatonin, an indoleamine secreted by the pineal gland, has antioxidant properties. This study aims to explore whether melatonin can promote bone formation and elucidate the mechanisms underlying this process. In this study, we used an in vitro hydrogen peroxide (H2O2)-induced oxidative stress model in MC3T3-E1 cells and an in vivo ovariectomized osteoporotic bone defect model in rats to explore the protective effects of melatonin against osteoporotic bone defects along with the mechanism underlying these effects. We found that melatonin significantly increased alkaline phosphatase activity, mineralization capacity, and the expression of BMP2, RUNX2, and OPN in MC3T3-E1 cells treated with H2O2. Furthermore, melatonin was found to activate SIRT1, SIRT3 and inhibit p66Shc, reduce the intracellular reactive oxygen species levels, stabilize mitochondria, reduce malondialdehyde levels, increase superoxide dismutase activity, and reduce apoptosis in MC3T3-E1 cells treated with H2O2. Intriguingly, these effects could be reversed by the SIRT1 inhibitor EX527. In vivo experiments confirmed that melatonin improves the microstructure and bone mineral density of the distal femoral bone trabecula and promotes bone formation. Meanwhile, melatonin activated SIRT1, inhibited p66Shc and increased SIRT3 expression. Taken together, our findings showed that melatonin can restrain oxidative damage in MC3T3-E1 cells and promote osteogenesis by activating SIRT1 which regulate the activity of SIRT3 and inhibit the expression of p66Shc, suggesting that melatonin could be a potential therapeutic agent for osteoporosis-related bone metabolic diseases.
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Affiliation(s)
- He-Dong Liu
- Department of Trauma Orthopedics, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, No.2, Zheshan Xi Road, Anhui 241001 Wuhu, People's Republic of China
| | - Mao-Xian Ren
- Department of Trauma Orthopedics, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, No.2, Zheshan Xi Road, Anhui 241001 Wuhu, People's Republic of China
| | - Yang Li
- Department of Trauma Orthopedics, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, No.2, Zheshan Xi Road, Anhui 241001 Wuhu, People's Republic of China
| | - Ruo-Tian Zhang
- Department of Trauma Orthopedics, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, No.2, Zheshan Xi Road, Anhui 241001 Wuhu, People's Republic of China
| | - Neng-Feng Ma
- Department of Trauma Orthopedics, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, No.2, Zheshan Xi Road, Anhui 241001 Wuhu, People's Republic of China
| | - Tian-Lin Li
- Department of Trauma Orthopedics, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, No.2, Zheshan Xi Road, Anhui 241001 Wuhu, People's Republic of China
| | - Wen-Kai Jiang
- Department of Trauma Orthopedics, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, No.2, Zheshan Xi Road, Anhui 241001 Wuhu, People's Republic of China
| | - Zhi Zhou
- Department of Trauma Orthopedics, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, No.2, Zheshan Xi Road, Anhui 241001 Wuhu, People's Republic of China
| | - Xue-Wei Yao
- Department of Trauma Orthopedics, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, No.2, Zheshan Xi Road, Anhui 241001 Wuhu, People's Republic of China
| | - Zhi-Yi Liu
- Department of Trauma Orthopedics, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, No.2, Zheshan Xi Road, Anhui 241001 Wuhu, People's Republic of China
| | - Min Yang
- Department of Trauma Orthopedics, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, No.2, Zheshan Xi Road, Anhui 241001 Wuhu, People's Republic of China
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16
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Liang B, Li R, Liang Y, Gu N. Guanxin V Acts as an Antioxidant in Ventricular Remodeling. Front Cardiovasc Med 2022; 8:778005. [PMID: 35059446 PMCID: PMC8764413 DOI: 10.3389/fcvm.2021.778005] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 11/29/2021] [Indexed: 12/15/2022] Open
Abstract
Background: Our previous studies have shown that Guanxin V (GXV) is safe and effective in the treatment of ventricular remodeling (VR), but its mechanism related to oxidative stress has not been studied deeply. Methods: We applied integrating virtual screening and network pharmacology strategy to obtain the GXV-, VR-, and oxidative stress-related targets at first, and then highlighted the shared targets. We built the networks and conducted enrichment analysis. Finally, the main results were validated by molecular docking and solid experiments. Results: We obtained 251, 11,425, and 9,727 GXV-, VR-, and oxidative stress-related targets, respectively. GXV-component-target-VR and protein–protein interaction networks showed the potential mechanism of GXV in the treatment of VR. The following enrichment analysis results gathered many biological processes and “two GXV pathways” of oxidative stress-related to VR. All our main results were validated by molecular docking and solid experiments. Conclusion: GXV could be prescribed for VR through the mechanism, including complex interactions between related components and targets, as predicted by virtual screening and network pharmacology and validated by molecular docking and solid experiments. Our study promotes the explanation of the biological mechanism of GXV for VR.
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Affiliation(s)
- Bo Liang
- Nanjing University of Chinese Medicine, Nanjing, China
| | - Rui Li
- Nanjing University of Chinese Medicine, Nanjing, China
| | - Yi Liang
- Southwest Medical University, Luzhou, China
| | - Ning Gu
- Nanjing Hospital of Chinese Medicine Affiliated to Nanjing University of Chinese Medicine, Nanjing, China
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17
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Lassé M, Stampfli AR, Orban T, Bothara RK, Gerrard JA, Fairbanks AJ, Pattinson NR, Dobson RCJ. Reaction dynamics and residue identification of haemoglobin modification by acrolein, a lipid-peroxidation by-product. Biochim Biophys Acta Gen Subj 2021; 1865:130013. [PMID: 34534644 DOI: 10.1016/j.bbagen.2021.130013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 09/06/2021] [Accepted: 09/10/2021] [Indexed: 11/15/2022]
Abstract
BACKGROUND Lipid hydroperoxides decompose to reactive aldehydes, such as acrolein. Measurement of oxidative stress markers in the clinic could improve risk stratification for patients. METHODS To aid the development of diagnostic oxidative stress markers, we defined the acrolein modifications of haemoglobin using mass spectrometry. RESULTS Acrolein modifications have little effect on the secondary structure of haemoglobin. They do not disrupt the quaternary structure, but instead promote crosslinked octamers. For acrolein modified haemoglobin the response to O2 binding is altered such that cooperativity is lost. Mass spectrometry experiments at a 1:1 acrolein:haemoglobin molar ratio demonstrate that the α-chain quickly forms an aza-Michael adduct (+56 Da), which then forms a more stable adduct, Nε-(3-methylpyridinium)lysine (MP-lysine, +76 Da) over 7 days. The β-chain remains relatively unchanged over the duration of the 7 days and the aza-Michael adduct is dominant. At 2:1 and 5:1 molar ratios the α-chain was consistently modified at K7, H20, H50, and the β-chain at C93 and H97 with the aza-Michael adduct. Beyond 5 h, an MP-adduct (+76 Da) was located predominantly at K7 of the α-chain, while an FDP-adduct (+94 Da) was observed at K95 of the β-chain. CONCLUSIONS We have generated qualitative evidence identifying the acrolein target sites on haemoglobin, a potential oxidative stress marker that is easily measured in circulation. GENERAL SIGNIFICANCE We provide data for the community to develop targeted mass spectrometric or immunometric assays for acrolein modified haemoglobin to further validate the potential of haemoglobin as an oxidative stress marker in patients .
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Affiliation(s)
- Moritz Lassé
- Christchurch Heart Institute, Department of Medicine, University of Otago, Christchurch, New Zealand
| | - Anja R Stampfli
- Biomolecular Interaction Centre and School of Biological Sciences, University of Canterbury, Christchurch, New Zealand
| | - Thomas Orban
- Biomolecular Interaction Centre and School of Biological Sciences, University of Canterbury, Christchurch, New Zealand
| | | | - Juliet A Gerrard
- Faculty of Science, Biological Sciences, The University of Auckland, Auckland, New Zealand
| | - Antony J Fairbanks
- Biomolecular Interaction Centre, and School of Physical and Chemical Sciences, University of Canterbury, Christchurch, New Zealand
| | - Neil R Pattinson
- Canterbury Scientific Ltd, 71 Whiteleigh Ave, Christchurch, New Zealand
| | - Renwick C J Dobson
- Biomolecular Interaction Centre and School of Biological Sciences, University of Canterbury, Christchurch, New Zealand; Biol21 Molecular Science and Biotechnology Institute, Department of Biochemistry and Molecular Biology, University of Melbourne, Parkville, Victoria 3010, Australia.
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18
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Li L, Wang H, Chen X, Li X, Wang G, Jie Z, Zhao X, Sun X, Huang H, Fan S, Xie Z, Wang J. Oxidative Stress-Induced Hypermethylation of KLF5 Promoter Mediated by DNMT3B Impairs Osteogenesis by Diminishing the Interaction with β-Catenin. Antioxid Redox Signal 2021; 35:1-20. [PMID: 33588625 DOI: 10.1089/ars.2020.8200] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Aims: Emerging evidence suggests that the pathogenesis of osteoporosis, characterized by impaired osteogenesis, is shifting from estrogen centric to oxidative stress. Our previous studies have shown that the zinc-finger transcription factor krüppel-like factor 5 (KLF5) plays a key role in the degeneration of nucleus pulposus and cartilage. However, its role in osteoporosis remains unknown. We aimed to investigate the effect and mechanism of KLF5 on osteogenesis under oxidative stress. Results: First, KLF5 was required for osteogenesis and stimulated osteogenic differentiation of bone marrow mesenchymal stem cells (BMSCs). KLF5 was hypermethylated and downregulated in ovariectomy-induced osteoporosis mice and in BMSCs treated with H2O2. Interestingly, DNA methyltransferases 3B (DNMT3B) upregulation mediated the hypermethylation of KLF5 induced by oxidative stress, thereby impairing osteogenic differentiation. The inhibition of KLF5 hypermethylation using DNMT3B siRNA or 5-AZA-2-deoxycytidine (5-AZA) protected osteogenic differentiation of BMSCs from oxidative stress. Regarding the downstream mechanism, KLF5 induced β-catenin expression. More importantly, KLF5 promoted the nuclear translocation of β-catenin, which was mediated by the armadillo repeat region of β-catenin. Consistently, oxidative stress-induced KLF5 hypermethylation inhibited osteogenic differentiation by reducing the expression and nuclear translocation of β-catenin. Innovation: We describe the novel effect and mechanism of KLF5 on osteogenesis under oxidative stress, which is linked to osteoporosis for the first time. Conclusion: Our results suggested that oxidative stress-induced hypermethylation of KLF5 mediated by DNMT3B impairs osteogenesis by diminishing the interaction with β-catenin, which is likely to contribute to osteoporosis. Targeting the hypermethylation of KLF5 might be a new strategy for the treatment of osteoporosis. Antioxid. Redox Signal. 35, 1-20.
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Affiliation(s)
- Liangping Li
- Department of Orthopaedics, Medical College of Zhejiang University, Sir Run Run Shaw Hospital, Hangzhou, People's Republic of China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, People's Republic of China
- Department of Surgery, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, People's Republic of China
| | - Haoming Wang
- Department of Orthopaedics, Medical College of Zhejiang University, Sir Run Run Shaw Hospital, Hangzhou, People's Republic of China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, People's Republic of China
| | - Xiaoying Chen
- Department of Emergency, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, People's Republic of China
| | - Xiang Li
- Department of Orthopaedics, Medical College of Zhejiang University, Sir Run Run Shaw Hospital, Hangzhou, People's Republic of China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, People's Republic of China
| | - Gangliang Wang
- Department of Orthopaedics, Medical College of Zhejiang University, Sir Run Run Shaw Hospital, Hangzhou, People's Republic of China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, People's Republic of China
| | - Zhiwei Jie
- Department of Orthopaedics, Medical College of Zhejiang University, Sir Run Run Shaw Hospital, Hangzhou, People's Republic of China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, People's Republic of China
| | - Xiangde Zhao
- Department of Orthopaedics, Medical College of Zhejiang University, Sir Run Run Shaw Hospital, Hangzhou, People's Republic of China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, People's Republic of China
| | - Xuewu Sun
- Department of Orthopaedics, Medical College of Zhejiang University, Sir Run Run Shaw Hospital, Hangzhou, People's Republic of China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, People's Republic of China
| | - Hai Huang
- Department of Orthopaedics, Medical College of Zhejiang University, Sir Run Run Shaw Hospital, Hangzhou, People's Republic of China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, People's Republic of China
| | - Shunwu Fan
- Department of Orthopaedics, Medical College of Zhejiang University, Sir Run Run Shaw Hospital, Hangzhou, People's Republic of China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, People's Republic of China
| | - Ziang Xie
- Department of Orthopaedics, Medical College of Zhejiang University, Sir Run Run Shaw Hospital, Hangzhou, People's Republic of China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, People's Republic of China
| | - Jian Wang
- Department of Orthopaedics, Medical College of Zhejiang University, Sir Run Run Shaw Hospital, Hangzhou, People's Republic of China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, People's Republic of China
- Department of Orthopaedics, Tongde Hospital of Zhejiang Province, Hangzhou, People's Republic of China
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Patients Undergoing Surgery for Hip Fractures Suffer from Severe Oxidative Stress as Compared to Patients with Hip Osteoarthritis Undergoing Total Hip Arthroplasty. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:5542634. [PMID: 34211626 PMCID: PMC8208875 DOI: 10.1155/2021/5542634] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 05/10/2021] [Accepted: 05/20/2021] [Indexed: 12/26/2022]
Abstract
Hip fractures are associated with the highest degree of morbidity and mortality of all fractures in elderly patients and pose a major risk for subsequent fractures. Patients with hip fractures also present accelerated bone turnover despite early stable fracture fixation and early mobilization. We aimed to evaluate oxidative stress in two groups of patients (25 patients each, matched for age, side, and BMI) who underwent internal fixation of hip fractures and total hip arthroplasty for hip osteoarthritis. Blood samples were taken from all patients during admission, the day of surgery, the 4th postoperative day, and the 15th postoperative day. Reduced (GSH) and oxidized (GSSG) glutathione, GSH/GSSG, catalase (CAT), thiobarbituric acid reactive substances (TBARS), protein carbonyls (PC), and total antioxidant capacity (TAC) as a widely used battery of redox biomarkers were recorded from blood samples. Patients with hip fractures who undergo fixation surgery, compared to those with hip osteoarthritis, suffer significant oxidative stress with an active but insufficient first line of oxidative defense, an intensive first line reaction, a very active second line of oxidative defense, and a low plasma antioxidant capacity. Surgery worsened already present lipid- and protein-related tissue damage. The severe oxidative stress observed may explain high morbidity and mortality rates and high bone turnover status, as well as the high incidence of refractures. Furthermore, the question of whether antioxidant therapy measures should be introduced in the management of hip fracture patients is raised.
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20
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Plasma Fatty Acids and Quantitative Ultrasound, DXA and pQCT Derived Parameters in Postmenopausal Spanish Women. Nutrients 2021; 13:nu13051454. [PMID: 33922947 PMCID: PMC8146540 DOI: 10.3390/nu13051454] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 04/14/2021] [Accepted: 04/21/2021] [Indexed: 12/25/2022] Open
Abstract
Different factors may contribute to the development of osteopenia or osteoporosis. Fatty acids are key nutrients for health, and a number of studies have reported an association between bone mineral density (BMD) and fatty acid intake. We aimed to investigate the relationships between serum levels of different fatty acids and bone parameters determined by quantitative bone ultrasound (QUS), peripheral quantitative computed tomography (pQCT), and dual-energy X-ray absorptiometry (DXA) in a sample of Spanish postmenopausal women. We enrolled a total of 301 postmenopausal women (median age 59 years; interquartile range (IQR) 7) in this study. All participants underwent full densitometric screening, including calcaneal quantitative ultrasound (QUS), peripheral quantitative computed tomography (pQCT), and dual-energy X-ray absorptiometry (DXA), as well as plasma fatty acid measurement. After adjustment for potential confounders, plasma n-3 polyunsaturated fatty acid (PUFA) levels correlated with BMD in the spine (r = 0.150; p = 0.014) and femoral neck (r = 0.143; p = 0.019). By multiple linear regression, an independent statistically significant positive relationship was observed between BMD in the spine and BMI (β = 0.288; p = 0.001) as well as total plasma n-3 PUFAs (β = 0.155; p = 0.009). The plasma n-3 PUFA level was also a significant and positive predictor of BMD at the femoral neck (β = 0.146; p = 0.009). Independent risk factors for low BMD (T-score ≤ 1) were determined by logistic regression analysis, and a relatively high level of plasma n-3 PUFAs (OR = 0.751; 95% CI 0.587-0.960, p = 0.022) was identified as a protective factor against low bone mass. In this single-center sample of Spanish postmenopausal women, we reported a significant positive and statistically independent association between BMD and plasma levels of n-3 PUFAs.
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21
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Yuan S, Lemming EW, Michaëlsson K, Larsson SC. Plasma phospholipid fatty acids, bone mineral density and fracture risk: Evidence from a Mendelian randomization study. Clin Nutr 2020; 39:2180-2186. [DOI: 10.1016/j.clnu.2019.09.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Revised: 07/29/2019] [Accepted: 09/11/2019] [Indexed: 12/25/2022]
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22
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Zhou X, Wang Z, Ni Y, Yu Y, Wang G, Chen L. Suppression effect of N-acetylcysteine on bone loss in ovariectomized mice. Am J Transl Res 2020; 12:731-742. [PMID: 32269708 PMCID: PMC7137068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Accepted: 01/22/2020] [Indexed: 06/11/2023]
Abstract
Oxidative stress can trigger DNA damage response and activation of cellular senescence. Accumulating studies have demonstrated that senescent cells can produce senescence-associated secretory phenotype that leads to increased bone resorption and decreased bone formation. And elimination of senescent cells or inhibition of SASP secretion has been shown to prevent bone loss in mice. N-acetylcysteine (NAC) is a strong antioxidant. However, it is unclear whether reversed estrogen deficiency-induced bone loss by antioxidant NAC was associated with the inhibition of oxidative stress, DNA damage, osteocyte senescence and SASP. In this study, OVX mice were supplemented with/without E2 or NAC, and were compared with each other. Our results showed that oxidative stress, DNA damage, osteocyte senescence and the secretion of senescence-associated inflammatory cytokines were increased in OVX mice compared with sham-operated mice. However, these parameters were obviously rescued in OVX mice supplemented with E2 or NAC. Data from this study suggest that NAC can prevent OVX-induced bone loss by inhibiting oxidative stress, DNA damage, cell senescence and the secretion of the senescence-associated secretory phenotype.
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Affiliation(s)
- Xun Zhou
- Department of Basic Medical Sciences, Jiangsu College of NursingHuai’an 223005, Jiangsu, People’s Republic of China
| | - Zhengbo Wang
- Department of Anatomy, Histology and Embryology, The Research Center for Bone and Stem Cells, Nanjing Medical UniversityNanjing 210006, Jiangsu, People’s Republic of China
| | - Yihong Ni
- Department of Anatomy, Histology and Embryology, The Research Center for Bone and Stem Cells, Nanjing Medical UniversityNanjing 210006, Jiangsu, People’s Republic of China
| | - Yue Yu
- Suqian First HospitalSuqian 223800, Jiangsu, People’s Republic of China
| | - Guantong Wang
- Department of Orthopedics, Nanjing First Hospital, Nanjing Medical UniversityNanjing 210006, Jiangsu, People’s Republic of China
| | - Lulu Chen
- Department of Anatomy, Histology and Embryology, The Research Center for Bone and Stem Cells, Nanjing Medical UniversityNanjing 210006, Jiangsu, People’s Republic of China
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23
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Li J, Chen X, Lu L, Yu X. The relationship between bone marrow adipose tissue and bone metabolism in postmenopausal osteoporosis. Cytokine Growth Factor Rev 2020; 52:88-98. [PMID: 32081538 DOI: 10.1016/j.cytogfr.2020.02.003] [Citation(s) in RCA: 97] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2019] [Revised: 02/06/2020] [Accepted: 02/06/2020] [Indexed: 02/06/2023]
Abstract
Postmenopausal osteoporosis (PMOP) is a prevalent skeletal disorder associated with menopause-related estrogen withdrawal. PMOP is characterized by low bone mass, deterioration of the skeletal microarchitecture, and subsequent increased susceptibility to fragility fractures, thus contributing to disability and mortality. Accumulating evidence indicates that abnormal expansion of marrow adipose tissue (MAT) plays a crucial role in the onset and progression of PMOP, in part because both bone marrow adipocytes and osteoblasts share a common ancestor lineage. The cohabitation of MAT adipocytes, mesenchymal stromal cells, hematopoietic cells, osteoblasts and osteoclasts in the bone marrow creates a microenvironment that permits adipocytes to act directly on other cell types in the marrow. Furthermore, MAT, which is recognized as an endocrine organ, regulates bone remodeling through the secretion of adipokines and cytokines. Although an enhanced MAT volume is linked to low bone mass and fractures in PMOP, the detailed interactions between MAT and bone metabolism remain largely unknown. In this review, we examine the possible mechanisms of MAT expansion under estrogen withdrawal and further summarize emerging findings regarding the pathological roles of MAT in bone remodeling. We also discuss the current therapies targeting MAT in osteoporosis. A comprehensive understanding of the relationship between MAT expansion and bone metabolism in estrogen deficiency conditions will provide new insights into potential therapeutic targets for PMOP.
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Affiliation(s)
- Jiao Li
- Laboratory of Endocrinology and Metabolism, Department of Endocrinology and Metabolism, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Xiang Chen
- Laboratory of Endocrinology and Metabolism, Department of Endocrinology and Metabolism, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Lingyun Lu
- Laboratory of Endocrinology and Metabolism, Department of Endocrinology and Metabolism, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, China; Department of Integrated Traditional Chinese and Western Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - Xijie Yu
- Laboratory of Endocrinology and Metabolism, Department of Endocrinology and Metabolism, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, China.
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Wu T, Kasper S, Wong RM, Bracken B. Identification of Differential Patterns of Oxidative Biomarkers in Prostate Cancer Progression. Clin Genitourin Cancer 2019; 18:e174-e179. [PMID: 31899150 DOI: 10.1016/j.clgc.2019.09.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2019] [Revised: 08/17/2019] [Accepted: 09/10/2019] [Indexed: 10/25/2022]
Abstract
INTRODUCTION Oxidative stress has been found to be associated with the progression of prostate cancer (PCa); however, human studies which identify differential roles of each oxidation pathway in PCa progression are lacking. We aimed to identify which oxidative stress markers, specifically lipid and global oxidation and glycation, are associated with PCa progression. PATIENTS AND METHODS We recruited 3 groups of patients from a urologic clinic at the University of Cincinnati Medical Center: men with PCa who had undergone prostatectomy, men with PCa under watchful waiting, and men with benign prostatic hyperplasia (BPH). We used the most commonly used lipid oxidation marker, F2-isoprostanes; global oxidation markers, fluorescent oxidation products (FlOPs); and the commonly used marker for advanced glycation end products, carboxymethyllysine. These biomarkers were measured in plasma samples at baseline entry. Plasma prostate-specific antigen (PSA) was measured at enrollment and follow-up visits. RESULTS Compared with men with BPH, men with PCa who had undergone prostatectomy had 26% (P = .01) higher levels of F2-isoprostanes and 20% (P = .08) higher levels of carboxymethyllysine. All the oxidation markers were similar when comparing men under watchful waiting with men with BPH. When examining the associations between baseline oxidation markers and follow-up PSAs, we found that different oxidation markers had differential patterns associated with PSA elevation. F2-isoprostanes were positively associated with PSA elevation among men with PCa; FlOP_320 was positively associated with PSA elevation among both men with PCa and men with BPH, whereas among men with PCa under watchful waiting, FlOP_360 and FlOP_400 had opposite trends of associations with PSA elevation. CONCLUSIONS Our study suggested that high levels of lipid oxidation were associated with PCa progression, whereas different global oxidation markers had different patterns associated with PCa progression. Large-scale clinical studies are needed to confirm our associations. Our study provides a comprehensive view of the relationship between biomarkers and PCa progression.
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Affiliation(s)
- Tianying Wu
- Division of Epidemiology and Biostatistics, School of Public Health, San Diego State University, San Diego, CA; Moores Cancer Center, University of California at San Diego, San Diego, CA.
| | - Susan Kasper
- Department of Environmental Health, University of Cincinnati Medical School, Cincinnati, OH
| | - Ronnie Meiyi Wong
- Division of Epidemiology and Biostatistics, School of Public Health, San Diego State University, San Diego, CA
| | - Bruce Bracken
- Department of Surgery, University of Cincinnati Medical School, Cincinnati, OH
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Zheng CX, Sui BD, Qiu XY, Hu CH, Jin Y. Mitochondrial Regulation of Stem Cells in Bone Homeostasis. Trends Mol Med 2019; 26:89-104. [PMID: 31126872 DOI: 10.1016/j.molmed.2019.04.008] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Revised: 04/10/2019] [Accepted: 04/19/2019] [Indexed: 12/13/2022]
Abstract
Mitochondria have emerged as key contributors to the organismal homeostasis, in which mitochondrial regulation of stem cells is becoming increasingly important. Originated from mesenchymal stem cell (MSC) and hematopoietic stem cell (HSC) lineage commitments and interactions, bone is a representative organ where the mitochondrial essentiality to stem cell function has most recently been discovered, underlying skeletal health, aging, and diseases. Furthermore, mitochondrial medications based on modulating stem cell specification are emerging to provide promising therapies to counteract bone aging and pathologies. Here we review the cutting-edge knowledge regarding mitochondrial regulation of stem cells in bone homeostasis, highlighting mechanistic insights as well as mitochondrial strategies for augmented bone healing and tissue regeneration.
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Affiliation(s)
- Chen-Xi Zheng
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology, The Fourth Military Medical University, Xi' an, Shaanxi 710032, China
| | - Bing-Dong Sui
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology, The Fourth Military Medical University, Xi' an, Shaanxi 710032, China
| | - Xin-Yu Qiu
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology, The Fourth Military Medical University, Xi' an, Shaanxi 710032, China
| | - Cheng-Hu Hu
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology, The Fourth Military Medical University, Xi' an, Shaanxi 710032, China; Xi'an Institute of Tissue Engineering and Regenerative Medicine, Xi'an, Shaanxi 710032, China.
| | - Yan Jin
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi International Joint Research Center for Oral Diseases, Center for Tissue Engineering, School of Stomatology, The Fourth Military Medical University, Xi' an, Shaanxi 710032, China.
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Morimoto M, Shivappa N, de Souza Genaro P, Martini LA, Schuch NJ, Hebert JR, Pinheiro MM. Lack of association between dietary inflammatory index and low impact fractures in the Brazilian population: the Brazilian Osteoporosis Study (BRAZOS). Adv Rheumatol 2019; 59:16. [PMID: 30971320 DOI: 10.1186/s42358-019-0059-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Accepted: 03/25/2019] [Indexed: 11/10/2022] Open
Abstract
INTRODUCTION Adequate nutrition, including intake of dietary calcium and vitamin D, is important to maintain bone health. Evidence suggests that a deficiency in micronutrients may contribute to bone loss during aging and exert generalized effects on chronic inflammation. Recently, the Dietary Inflammatory Index (DII) was developed to assess the inflammatory potential of individual diets. Our aim was to evaluate the DII in a representative sample and verify its association with low-impact fractures. METHODS Individuals from The Brazilian Osteoporosis Study (BRAZOS) database had their DII calculated. BRAZOS is an important cross-sectional epidemiological study carried out with a representative sample of men and women ≥40 years old. The research was conducted through in-home interviews administered by a trained team. Nutrition Database System for Research (NDSR) software was used to analyze data on the intake of nutrients, which were employed to calculate the DII using Statistical Analysis Software (SAS®) and Statistical Package for the Social Sciences (SPSS®) to assess its association with low-impact fractures. RESULTS A total of 2269 subjects had their DII score calculated using information from 24-h recall data. Males had lower DII than females (DII = 1.12 ± 1.04 vs DII = 1.24 ± 0.99, p = 0.012). Women taking statins had lower DII (DII = 0.65 ± 1.14 vs DII + 1.26 ± 0.98, p = 0.002), indicating a greater potential for diet-related anti-inflammatory effects. CONCLUSION Our findings suggest that women might have a pro-inflammatory diet pattern compared to men. However, we did not find any association between DII scores and low-impact fractures.
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Affiliation(s)
- Melissa Morimoto
- Rheumatology Division, Universidade Federal de São Paulo, Unifesp/EPM, Rua Leandro Dupre, 204, conjunto 74, São Paulo, Brazil.
| | - Nitin Shivappa
- Cancer Prevention and Control Program, University of South Carolina, Columbia, SC, 29208, USA.,Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, SC, 29208, USA
| | | | - Lígia Araújo Martini
- Department of Nutrition, Faculdade de Saúde Pública, Universidade de São Paulo, São Paulo, Brazil
| | - Natielen Jacques Schuch
- Department of Nutrition, Faculdade de Saúde Pública, Universidade de São Paulo, São Paulo, Brazil
| | - James R Hebert
- Cancer Prevention and Control Program, University of South Carolina, Columbia, SC, 29208, USA
| | - Marcelo Medeiros Pinheiro
- Rheumatology Division, Universidade Federal de São Paulo, Unifesp/EPM, Rua Leandro Dupre, 204, conjunto 74, São Paulo, Brazil
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Bonaccorsi G, Piva I, Greco P, Cervellati C. Oxidative stress as a possible pathogenic cofactor of post-menopausal osteoporosis: Existing evidence in support of the axis oestrogen deficiency-redox imbalance-bone loss. Indian J Med Res 2018; 147:341-351. [PMID: 29998869 PMCID: PMC6057254 DOI: 10.4103/ijmr.ijmr_524_18] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Post-menopausal osteoporosis (PO) is one of the major health issues associated with menopause-related oestrogen withdrawal. Despite the intense research and the relevant progress achieved in the last two decades, the pathogenic mechanism underlying PO is still poorly understood. As a consequence of this gap in the knowledge, such disorder and the related complications are still difficult to be effectively prevented. A wealth of experimental and epidemiological/clinical evidence suggests that the endocrine change associated to menopausal transition might lead to a derangement of redox homeostasis, that is, the prelude to the health-threaten condition of oxidative stress (OxS). In turn, this (bio)chemical stress has been widely hypothesized to contribute, most likely in synergy with inflammation, to the development of menopause-related diseases, including PO. The main aim of this review is to discuss the current literature evidence on the association between post-menopausal oestrogen withdrawal, OxS and PO. It is also aimed to provide a critical overview of the most significant epidemiological studies on the effects of dietary antioxidants on bone health and to devise a strategy to overcome the limitations emerged and controversial results.
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Affiliation(s)
- Gloria Bonaccorsi
- Menopause & Osteoporosis Centre; Section of Obstetrics & Gynecology, Department of Morphology, Surgery & Experimental Medicine, University of Ferrara, Ferrara, Italy
| | - Isabella Piva
- Menopause & Osteoporosis Centre, Department of Morphology, Surgery & Experimental Medicine, University of Ferrara, Ferrara, Italy
| | - Pantaleo Greco
- Menopause & Osteoporosis Centre, Department of Morphology, Surgery & Experimental Medicine, University of Ferrara, Ferrara, Italy
| | - Carlo Cervellati
- Section of Medical Biochemistry, Molecular Biology & Genetics, Department of Biomedical & Specialist Surgical Sciences, University of Ferrara, Ferrara, Italy
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Kim HJ, Kim Y, Kim S, Chin HJ, Lee H, Lee JP, Kim DK, Oh KH, Joo KW, Kim YS, Nah DY, Shin SJ, Kim KS, Park JY, Yoo KD. Age, sex, and the association of chronic kidney disease with all-cause mortality in Buddhist priests: An analysis of the standardized mortality ratio from the Korean Buddhist priests cohort. Medicine (Baltimore) 2018; 97:e13099. [PMID: 30407320 PMCID: PMC6250507 DOI: 10.1097/md.0000000000013099] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Accepted: 10/08/2018] [Indexed: 12/27/2022] Open
Abstract
Buddhist priests lead a unique lifestyle, practicing asceticism, with a vegetarian diet. Such behavior may have an impact on clinical outcomes. Hence, we explored the mortality among Korean Buddhist priests as compared with the general population.This study is a single-center, retrospective study. Among the 3867 Buddhist priests who visited Dongguk University Gyeongju Hospital between January 2000 and February 2016, 3639 subjects were available for mortality data from Statistics Korea. Standardized mortality ratio (SMR) was computed for all causes of death and compared with the general population using national statistics in Korea. Information regarding end-stage renal disease (ESRD) was investigated from the Korean Society of Nephrology registry. Among the 3639 patients, the baseline laboratory results were obtained in 724 patients. Chronic kidney disease (CKD) was defined as dipstick proteinuria ≥1 or an estimated glomerular filtration rate <60 mL/min/1.73 m.The mean age was 50.0 ± 12.5 years, and 51.0% were men. During the follow-up period for 31.1 ± 35.6 months, 55 (7.6%) patients died. During the follow-up period, 3 (0.4%) and 23 (3.2%) patients developed ESRD and urinary stone, respectively. The SMR for all causes of death was 0.76 (95% confidence interval [CI] 0.57-0.99; men 0.91, 95% CI 0.65-1.23; women 0.52, 95% CI 0.28-0.87). Among 724 patients, 74 (10.2%) patients had CKD. The SMR for non-CKD patients (0.61, 95% CI 0.43-0.85) was significantly lower than the general population. Female and patients older than 50 years (0.74, 95% CI 0.55-0.98) had a significantly lower SMR. In the Cox proportional hazards model with adjustment, older age (adjusted HR 1.04, 95% CI 1.10-1.07) and presence of CKD (adjusted HR 2.55, 95% CI 1.07-6.06) were independently associated with increased all-cause mortality.Buddhist priests and especially Buddhist priests without CKD showed a significantly lower mortality compared with the general population.
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Affiliation(s)
- Hyo Jin Kim
- Department of Internal Medicine, Dongguk University College of Medicine
- Department of Internal Medicine, Dongguk University Gyeongju Hospital, Gyeongsangbuk-do
| | - Yunmi Kim
- Department of Internal Medicine, Dongguk University College of Medicine
- Department of Internal Medicine, Dongguk University Gyeongju Hospital, Gyeongsangbuk-do
| | - Sejoong Kim
- Department of Internal Medicine, Seoul National University Bundang Hospital, Gyeonggi-do
| | - Ho Jun Chin
- Department of Internal Medicine, Seoul National University Bundang Hospital, Gyeonggi-do
| | - Hajeong Lee
- Department of Internal Medicine, Seoul National University Hospital
| | - Jung Pyo Lee
- Department of Internal Medicine, Seoul National University Boramae Medical Center, Seoul
| | - Dong Ki Kim
- Department of Internal Medicine, Seoul National University Hospital
| | - Kook-Hwan Oh
- Department of Internal Medicine, Seoul National University Hospital
| | - Kwon Wook Joo
- Department of Internal Medicine, Seoul National University Hospital
| | - Yon Su Kim
- Department of Internal Medicine, Seoul National University Hospital
| | - Deuk-Young Nah
- Department of Internal Medicine, Dongguk University College of Medicine
- Department of Internal Medicine, Dongguk University Gyeongju Hospital, Gyeongsangbuk-do
| | - Sung Joon Shin
- Department of Internal Medicine, Dongguk University College of Medicine
- Department of Internal Medicine, Dongguk University Ilsan Hospital, Gyeonggi-do, Republic of Korea
| | - Kyung Soo Kim
- Department of Internal Medicine, Dongguk University College of Medicine
- Department of Internal Medicine, Dongguk University Ilsan Hospital, Gyeonggi-do, Republic of Korea
| | - Jae Yoon Park
- Department of Internal Medicine, Dongguk University College of Medicine
- Department of Internal Medicine, Dongguk University Ilsan Hospital, Gyeonggi-do, Republic of Korea
| | - Kyung Don Yoo
- Department of Internal Medicine, Dongguk University College of Medicine
- Department of Internal Medicine, Dongguk University Gyeongju Hospital, Gyeongsangbuk-do
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Effects of vitamin B 12, folate, uric acid, and serum biomarkers of inflammation on bone mineral density in postmenopausal women. MENOPAUSE REVIEW 2018; 17:69-76. [PMID: 30150914 PMCID: PMC6107094 DOI: 10.5114/pm.2018.77305] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2018] [Accepted: 05/04/2018] [Indexed: 12/26/2022]
Abstract
Introduction Despite the accumulating evidence suggesting a possible relationship between femur and lumbar bone mineral density (BMD) and serum uric acid (UA), it is unclear whether alterations in UA levels reflect any underlying subclinical inflammatory conditions in postmenopausal osteoporosis. In addition, the mechanistic link between osteoporosis and dietary factors including vitamin B12 and folate in postmenopausal women is still obscure. The aim of the present study is to investigate the association between serum vitamin B12, folate, UA, and subclinical inflammatory markers and BMD measurements in postmenopausal women. Material and methods One hundred and eighty-four postmenopausal women were recruited for the present study. Clinical data, as well as serum vitamin B12, folate, UA, conventional inflammatory markers, and other related biochemical markers, were assessed for each subject. Bone mineral density measurements of proximal femur and lumbar spine were taken using dual-energy X-ray absorptiometry. Correlation analysis was performed between serum vitamin B12, folate, UA and other biochemical and metabolic parameters. Results Although no association was found between serum inflammatory markers, vitamin B12 and folate levels with femur neck and lumbar spine BMD measurements, elevated UA levels were observed in subjects with normal BMD values. Higher BMD values were obtained in higher UA tertiles. UA (p < 0.001) and BMI (p = 0.003) were found to be correlated with femur neck BMD measurements. Conclusions The femoral and lumbar BMD measurements were associated with serum UA levels. Higher serum UA levels were found to have a protective effect on postmenopausal osteoporosis irrespective of inflammation and dietary factors.
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Shen CL, Wang S, Yang S, Tomison MD, Abbasi M, Hao L, Scott S, Khan MS, Romero AW, Felton CK, Mo H. A 12-week evaluation of annatto tocotrienol supplementation for postmenopausal women: safety, quality of life, body composition, physical activity, and nutrient intake. BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE 2018; 18:198. [PMID: 29954374 PMCID: PMC6022510 DOI: 10.1186/s12906-018-2263-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/05/2017] [Accepted: 06/21/2018] [Indexed: 01/17/2023]
Abstract
BACKGROUND Evidence suggests that tocotrienols may benefit bone health in osteopenic women. However, their safety in this population has never been investigated. This study was to evaluate the safety of a 12-week supplementation of annato tocotrienol in postmenopausal osteopenic women, along with effects of the supplementation on quality of life, body composition, physical activity, and nutrient intake in this population. METHODS Eighty nine postmenopausal osteopenic women were randomly assigned to 3 treatment arms: (1) Placebo (430 mg olive oil/day), (2) Low tocotrientol (Low TT) (430 mg tocotrienol/day from DeltaGold 70 containing 300 mg tocotrienol) and (3) High tocotrienol (High TT) (860 mg tocotrienol/day from DeltaGold 70 containing 600 mg tocotrienol) for 12 weeks. DeltaGold 70 is an extract from annatto seed with 70% tocotrienol consisting of 90% delta-tocotrienol and 10% gamma-tocotrienol. Safety was examined by assessing liver enzymes (aspartate aminotransferase, alanine aminotransferase), alkaline phosphatase, bilirubin, kidney function (blood urea nitrogen and creatinine), electrolytes, glucose, protein, albumin, and globulin at 0, 6, and 12 weeks. Serum tocotrienol and tocopherol concentrations were assessed and pills counted at 0, 6, and 12 weeks. Quality of life, body composition, physical activity, and dietary macro- and micro-nutrient intake were evaluated at 0 and 12 weeks. A mixed model of repeated measures ANOVA was applied for analysis. RESULTS Eighty seven subjects completed the study. Tocotrienol supplementation did not affect liver or kidney function parameters throughout the study. No adverse event due to treatments was reported by the participants. Tocotrienol supplementation for 6 weeks significantly increased serum delta-tocotrienol level and this high concentration was sustained to the end of study. There was no difference in serum delta-tocotrienol levels between the Low TT and the High TT groups. No effects of tocotrienol supplementation were observed on quality of life, body composition, physical activity, and nutrient intake. CONCLUSIONS Annatto-derived tocotrienol up to 600 mg per day for 12 weeks appeared to be safe in postmenopausal osteopenic women, particularly in terms of liver and kidney functions. Tocotrienol supplementation for 12 weeks did not affect body composition, physical activity, quality of life, or intake of macro- and micro-nutrients in these subjects. TRIAL REGISTRATION ClinicalTrials.gov identifier: NCT02058420 . TITLE Tocotrienols and bone health of postmenopausal women.
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Han W, Bai X, Wang N, Han L, Sun X, Chen X. Association between lumbar bone mineral density and serum uric acid in postmenopausal women: a cross-sectional study of healthy Chinese population. Arch Osteoporos 2017; 12:50. [PMID: 28527105 DOI: 10.1007/s11657-017-0345-0] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2016] [Accepted: 05/04/2017] [Indexed: 02/03/2023]
Abstract
UNLABELLED Partial correlation and regression analyses were used in this study. We showed that there is a linear relationship between bone mineral density and serum uric acid within the normal physiologic range, and higher serum uric acid levels had a protective effect on bone loss in postmenopausal osteoporosis. PURPOSE The significance of the relationship between lumbar bone mineral density (BMD) and serum uric acid (SUA) levels is unclear. The aims of this study were to investigate on a population-level the association between lumbar BMD and SUA within the normal physiologic range and to determine whether SUA plays a protective role in bone loss in healthy postmenopausal Chinese women. METHODS This was a community-based cross-sectional study involving 390 healthy postmenopausal women, 47-89 years of age, conducted in Shenyang, China. The BMD was measured at the lumbar spine using dual-energy X-ray absorptiometry (DXA). The SUA levels were obtained at each DXA visit. Partial correlation and regression analyses were applied to determine the associations. RESULTS The SUA levels were significantly different between the normal BMD, osteopenia, and osteoporosis groups. The lumbar BMD was positively correlated with SUA in postmenopausal women after adjustment for age (r = 0.212). After adjustment for age, body mass index, systolic blood pressure, diastolic blood pressure, hip circumference, cigarette smoking, alcohol consumption, milk intake, physical exercise, fracture history, total protein, total bilirubin, triglycerides, total cholesterol, high-density lipoprotein cholesterol, fasting blood glucose, serum calcium, and estimated glomerular filtration rate, the lumbar BMD was associated with SUA and the odds ratio of the third SUA quartile was 0.408 (95%CI, 0.198-0.841, P = 0.015), compared to the first quartile of SUA levels. CONCLUSION The lumbar BMD was linearly associated with SUA levels within the normal physiologic range of postmenopausal women. Higher SUA levels had a protective effect on bone loss in postmenopausal osteoporosis.
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Affiliation(s)
- Wen Han
- Department of Gerontology and Geriatrics, Shengjing Hospital of China Medical University, Shenyang, Liaoning, 110004, China
| | - Xiaojuan Bai
- Department of Gerontology and Geriatrics, Shengjing Hospital of China Medical University, Shenyang, Liaoning, 110004, China.
| | - Nan Wang
- Department of Gerontology and Geriatrics, Shengjing Hospital of China Medical University, Shenyang, Liaoning, 110004, China
| | - Lulu Han
- Department of Gerontology and Geriatrics, Shengjing Hospital of China Medical University, Shenyang, Liaoning, 110004, China
| | - Xuefeng Sun
- Department of Kidney, General Hospital of Chinese People's Liberation Army, Beijing, China
| | - Xiangmei Chen
- Department of Kidney, General Hospital of Chinese People's Liberation Army, Beijing, China
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Similarities and interactions between the ageing process and high chronic intake of added sugars. Nutr Res Rev 2017; 30:191-207. [DOI: 10.1017/s0954422417000051] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
AbstractIn our societies, the proportions of elderly people and of obese individuals are increasing. Both factors are associated with high health-related costs. During obesity, many authors suggest that it is a high chronic intake of added sugars (HCIAS) that triggers the shift towards pathology. However, the majority of studies were performed in young subjects and only a few were interested in the interaction with the ageing process. Our purpose was to discuss the metabolic effects of HCIAS, compare with the effects of ageing, and evaluate how deleterious the combined action of HCIAS and ageing could be. This effect of HCIAS seems mediated by fructose, targeting the liver first, which may lead to all subsequent metabolic alterations. The first basic alterations induced by fructose are increased oxidative stress, protein glycation, inflammation, dyslipidaemia and insulin resistance. These alterations are also present during the ageing process, and are closely related to each other, one leading to the other. These basic alterations are also involved in more complex syndromes, which are also favoured by HCIAS, and present during ageing. These include non-alcoholic fatty liver disease, hypertension, neurodegenerative diseases, sarcopenia and osteoporosis. Cumulative effects of ageing and HCIAS have been seldom tested and may not always be strictly additive. Data also suggest that some of the metabolic alterations that are more prevalent during ageing could be related more with nutritional habits than to intrinsic ageing. In conclusion, it is clear that HCIAS interacts with the ageing process, accelerates the accumulation of metabolic alterations, and that it should be avoided.
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Oxidative Stress-Related Biomarkers in Postmenopausal Osteoporosis: A Systematic Review and Meta-Analyses. DISEASE MARKERS 2016; 2016:7067984. [PMID: 27594735 PMCID: PMC4995322 DOI: 10.1155/2016/7067984] [Citation(s) in RCA: 105] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/05/2016] [Accepted: 07/03/2016] [Indexed: 01/02/2023]
Abstract
Numerous studies suggested that oxidative stress (OS) played a central role in the onset and development of postmenopausal osteoporosis (PO); however, conflicting results were obtained as to the association of OS-related biomarkers and PO. This meta-analysis aimed to identify the association between these markers and PO, and explore factors that may explain the inconsistencies in these results. A systematic literature search was conducted in relevant database. Search terms and selection criteria were priorly determined to identify and include all studies that detected markers of OS in PO patients. We pooled data with a random effects meta-analysis with standardized mean differences and 95% confidence interval. Total 17 studies including 12 OS markers were adopted. The results showed that superoxide dismutase (SOD) in erythrocytes, catalase (CAT), total antioxidant status (TAS), hydroperoxides (HY), advanced oxidation protein products (AOPP), malondialdehyde (MDA), and vitamin B12 (VB12) in plasma/serum were not statistically different between the PO and control group, whereas significantly increased level of homocysteine (Hcy) and nitric oxide (NO), along with decreased SOD, glutathione peroxidase (GPx), folate, and total antioxidant power (TAP) in plasma/serum were obtained in the PO group. In summary, OS might serve as potential biomarkers in the etiopathophysiology and clinical course of PO.
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Comim FV, Marchesan LQ, Copes RM, de Vieira AR, Moresco RN, Compston JE, Premaor MO. Increased risk of humerus and lower leg fractures in postmenopausal women with self-reported premenopausal hirsutism and/or oligomenorrhea. Eur J Obstet Gynecol Reprod Biol 2016; 203:162-6. [PMID: 27318183 DOI: 10.1016/j.ejogrb.2016.05.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2015] [Revised: 05/05/2016] [Accepted: 05/13/2016] [Indexed: 01/15/2023]
Abstract
OBJECTIVE The aim of this study was to investigate the prevalence of fracture in women aged >55 years with self-reported premenopausal hirsutism and/or oligomenorrhea. STUDY DESIGN A cross-sectional study including 1057 post-menopausal women aged >55 years who were treated in a primary care facility in Santa Maria, South Brazil, from March 2013 through August 2013. Data were collected using a standardized questionnaire for characteristics including fracture history, medication use, and reproductive history (oligomenorrhea, hirsutism, miscarriage, the diagnosis or treatment of hypothyroidism, hyperprolactinemia, or infertility). RESULTS A non-significant trend towards an increased prevalence of all fragility fractures was observed in women with premenopausal hirsutism and/or oligomenorrhea when compared to those without (20.4% vs. 15.7%). After correction for age, falls, and comorbidities, fracture prevalence was significantly higher in the lower leg (OR 3.1 [CI 1.1-8.6]; P=0.029), and humerus (OR 2.6 [CI 1.2-5.4]; P=0.015) in the women with hirsutism and/or oligomenorrhea. CONCLUSION This is a hypothesis-generating study which evaluated the association between hirsutism and/or oligomenorrhea and fractures in postmenopausal women. Our results suggest that premenopausal hirsutism and/or oligomenorrhea may be associated with an increased risk of fracture postmenopause, particularly in the humerus and lower leg.
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Affiliation(s)
- Fabio V Comim
- Department of Clinical Medicine, Health Science Center, Federal University of Santa Maria, Santa Maria, Brazil.
| | - Luana Q Marchesan
- Department of Clinical Medicine, Health Science Center, Federal University of Santa Maria, Santa Maria, Brazil
| | - Rafaela M Copes
- Department of Clinical Medicine, Health Science Center, Federal University of Santa Maria, Santa Maria, Brazil
| | - Adhan R de Vieira
- Department of Clinical Medicine, Health Science Center, Federal University of Santa Maria, Santa Maria, Brazil
| | - Rafael N Moresco
- Pharmaceutical Science, Postgraduate Course, Federal University of Santa Maria, Santa Maria, Brazil
| | | | - Melissa O Premaor
- Department of Clinical Medicine, Health Science Center, Federal University of Santa Maria, Santa Maria, Brazil
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Messer JG, La S, Hopkins RG, Kipp DE. Quercetin Partially Preserves Development of Osteoblast Phenotype in Fetal Rat Calvaria Cells in an Oxidative Stress Environment. J Cell Physiol 2016; 231:2779-88. [DOI: 10.1002/jcp.25392] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2016] [Accepted: 03/25/2016] [Indexed: 01/28/2023]
Affiliation(s)
- Jonathan G. Messer
- Department of Nutrition; University of North Carolina at Greensboro; Greensboro North Carolina
| | - Stephanie La
- Department of Nutrition; University of North Carolina at Greensboro; Greensboro North Carolina
| | - Robin G. Hopkins
- Department of Nutrition; University of North Carolina at Greensboro; Greensboro North Carolina
| | - Deborah E. Kipp
- Department of Nutrition; University of North Carolina at Greensboro; Greensboro North Carolina
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Byon CH, Chen Y. Molecular Mechanisms of Vascular Calcification in Chronic Kidney Disease: The Link between Bone and the Vasculature. Curr Osteoporos Rep 2015; 13:206-15. [PMID: 25947259 PMCID: PMC4489999 DOI: 10.1007/s11914-015-0270-3] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Vascular calcification is highly prevalent in patients with chronic kidney disease (CKD) and increases mortality in those patients. Impaired calcium and phosphate homeostasis, increased oxidative stress, and loss of calcification inhibitors have been linked to vascular calcification in CKD. Additionally, impaired bone may perturb serum calcium/phosphate and their key regulator, parathyroid hormone, thus contributing to increased vascular calcification in CKD. Therapeutic approaches for CKD, such as phosphate binders and bisphosphonates, have been shown to ameliorate bone loss as well as vascular calcification. The precise mechanisms responsible for vascular calcification in CKD and the contribution of bone metabolism to vascular calcification have not been elucidated. This review discusses the role of systemic uremic factors and impaired bone metabolism in the pathogenesis of vascular calcification in CKD. The regulation of the key osteogenic transcription factor Runt-related transcription factor 2 (Runx2) and the emerging role of Runx2-dependent receptor activator of nuclear factor kappa-B ligand (RANKL) in vascular calcification of CKD are emphasized.
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Affiliation(s)
- Chang Hyun Byon
- Department of Pathology, University of Alabama at Birmingham, 614 Shelby Biomedical Research Bldg., 1825 University Blvd., Birmingham, AL 35294, USA
| | - Yabing Chen
- Department of Pathology, University of Alabama at Birmingham, 614 Shelby Biomedical Research Bldg., 1825 University Blvd., Birmingham, AL 35294, USA
- Department of Pathology, Birmingham Veterans Affairs Medical Center, Birmingham, AL 35294, USA
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Dumas O, Matran R, Zerimech F, Decoster B, Huyvaert H, Ahmed I, Le Moual N, Nadif R. Occupational exposures and fluorescent oxidation products in 723 adults of the EGEA study. Eur Respir J 2015; 46:258-61. [PMID: 25837036 DOI: 10.1183/09031936.00177614] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2014] [Accepted: 02/04/2015] [Indexed: 01/03/2023]
Affiliation(s)
- Orianne Dumas
- INSERM U1168, VIMA: Aging and chronic diseases, Epidemiological and public health approaches, Villejuif, France Univ Versailles St-Quentin-en-Yvelines, UMR-S 1168, Montigny le Bretonneux, France Channing Division of Network Medicine, Dept of Medicine, Brigham and Women's Hospital, Boston, MA, USA Dept of Emergency Medicine, Massachusetts General Hospital, Boston, MA, USA
| | | | - Farid Zerimech
- Laboratoire de Biochimie, Centre de Biologie Pathologie, CHRU de Lille, Lille, France
| | | | - Helene Huyvaert
- Univ Lille Nord de France, Lille, France Laboratoire de Biochimie, Centre de Biologie Pathologie, CHRU de Lille, Lille, France
| | - Ismail Ahmed
- INSERM UMR 1181 «Biostatistics, Biomathematics, Pharmacoepidemiology and Infectious Diseases» (B2PHI), Villejuif, France Univ Versailles St-Quentin-en-Yvelines, UMR 1181, B2PHI, Montigny le Bretonneux, France
| | - Nicole Le Moual
- INSERM U1168, VIMA: Aging and chronic diseases, Epidemiological and public health approaches, Villejuif, France Univ Versailles St-Quentin-en-Yvelines, UMR-S 1168, Montigny le Bretonneux, France
| | - Rachel Nadif
- INSERM U1168, VIMA: Aging and chronic diseases, Epidemiological and public health approaches, Villejuif, France Univ Versailles St-Quentin-en-Yvelines, UMR-S 1168, Montigny le Bretonneux, France
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