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Hu Z, Xiong T, Chen C, Chen T, Li M, Liang J, Chen K, Zhang J, Chen X, Chen Q, Li G. Association between the triglyceride-glucose index and calcified aortic stenosis in elderly patients: a cross-sectional study. Sci Rep 2023; 13:14928. [PMID: 37697065 PMCID: PMC10495325 DOI: 10.1038/s41598-023-42206-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Accepted: 09/06/2023] [Indexed: 09/13/2023] Open
Abstract
Insulin resistance (IR) is associated with a variety of cardiovascular diseases, but there are few studies on the correlation between IR and calcified aortic stenosis (CAS). In this study, the triglyceride-glucose (TyG) index, which reflects IR, was used to investigate the correlation between IR and CAS. The study included 183 elderly patients who were diagnosed with CAS by transthoracic echocardiography. The patients were matched 1:1 according to age and sex, and elderly patients who were hospitalized during the same period and underwent transthoracic echocardiography without aortic stenosis were included as the control group. The relationship between the TyG index and CAS was analyzed by a multivariable logistic regression model, curve fitting and trend test. Multivariate logistic regression analysis showed that the TyG index as a continuous variable was negatively associated with CAS (P < 0.001); trend tests and curve fitting further supported this association. Our study showed that the TyG index was negatively associated with CAS in elderly patients, which may be related to the impairment of insulin receptors and signaling pathways in IR.
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Affiliation(s)
- Zhihui Hu
- The Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | | | | | - Tao Chen
- The Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Ming Li
- The Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Jia Liang
- The Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Kunying Chen
- The Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Jialing Zhang
- The Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Xu Chen
- Guangdong Medical University, Zhanjiang, China
| | - Qi Chen
- Guangdong Medical University, Zhanjiang, China
| | - Guoming Li
- The Affiliated Hospital of Guangdong Medical University, Zhanjiang, China.
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Zhuo M, Chen Z, Zhong ML, Lei F, Qin JJ, Liu S, Liu YM, Sun T, Zhang XJ, Zhu L, Cai J, Ye JM, Yang E. Association of insulin resistance with bone mineral density in a nationwide health check-up population in China. Bone 2023; 170:116703. [PMID: 36781092 DOI: 10.1016/j.bone.2023.116703] [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: 05/13/2022] [Revised: 11/23/2022] [Accepted: 02/08/2023] [Indexed: 02/13/2023]
Abstract
INTRODUCTION Insulin resistance (IR) is closely associated with cardio-metabolic diseases. However, the impact of IR on bone mass remains obscure. The present study is to evaluate the association between the triglyceride-glucose (TyG) indicated IR and bone mass in a nationwide health check-up population in China. METHODS We conducted a retrospective cross-sectional study including 788,247 participants and a longitudinal cohort study in 8770 participants who had repeated measurements of TyG index and bone mass in at least a 2-year follow-up period. The restricted cubic splines and logistic models were used to analyze the association between IR and bone mass in the cross-sectional study. The Cox model was applied to evaluate the relationship between baseline IR and the subsequent incidence of low bone mass and osteoporosis in the longitudinal study. RESULTS In the cross-sectional study, the TyG index had positive correlations with low bone mass, osteoporosis, or both after adjusting for confounding factors (all P < 0.001). In the longitudinal cohort study, the baseline TyG index was significantly associated with the incidence of low bone mass, osteoporosis, or both during the follow-up period, with hazard ratios (HRs) of 1.56 (95 % confidence interval [CI]: 1.25, 1.93, P < 0.05), 1.66 (95%CI: 1.06, 2.59, P < 0.05), and 1.55 (95%CI: 1.27, 1.88, P < 0.05) after adjusting for confounding factors, respectively. CONCLUSIONS These results suggest that IR indicated by TyG is significantly associated with an increased risk of low bone mass and osteoporosis. Therefore, bone mass monitoring and early prevention strategies may be needed in individuals with IR to prevent the occurrence of low bone mass and osteoporosis.
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Affiliation(s)
- Ming Zhuo
- Department of Anesthesiology, The First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Ze Chen
- Department of Cardiology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Mao-Lin Zhong
- Department of Anesthesiology, The First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Fang Lei
- Institute of Model Animal, Wuhan University, Wuhan, China; School of Basic Medical Science, Wuhan University, Wuhan, China
| | - Juan-Juan Qin
- Institute of Model Animal, Wuhan University, Wuhan, China; Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Shuhua Liu
- Department of Anesthesiology, The First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Ye-Mao Liu
- Institute of Model Animal, Wuhan University, Wuhan, China; Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Tao Sun
- Institute of Model Animal, Wuhan University, Wuhan, China; Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xiao-Jing Zhang
- Institute of Model Animal, Wuhan University, Wuhan, China; School of Basic Medical Science, Wuhan University, Wuhan, China; Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Lihua Zhu
- Institute of Model Animal, Wuhan University, Wuhan, China; Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Jingjing Cai
- Institute of Model Animal, Wuhan University, Wuhan, China; Department of Cardiology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Jun-Ming Ye
- Department of Anesthesiology, The First Affiliated Hospital of Gannan Medical University, Ganzhou, China.
| | - Erping Yang
- Department of Orthopedic, Huanggang Central Hospital of Yangtze University, Huanggang, China.
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The trajectory of osteoblast progenitor cells in patients with type 2 diabetes and the predictive model for their osteogenic differentiation ability. Sci Rep 2023; 13:2338. [PMID: 36759556 PMCID: PMC9911595 DOI: 10.1038/s41598-023-29677-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Accepted: 02/08/2023] [Indexed: 02/11/2023] Open
Abstract
The fate of osteoprogenitor cells along with the progression of type 2 diabetes (T2DM) and factors determining the fate of those cells remains to be elucidated. This cross-sectional study included 18 normoglycemic, 27 prediabetic, and 73 T2DM to determine osteogenic differentiation across the continuum of dysglycemia and to construct a model to predict the fate of osteoprogenitor cells. This study demonstrated a preserved osteogenic differentiation ability of peripheral blood-derived mononuclear cells (PBMC) isolated from normoglycemic and prediabetic but a progressive decline in their osteogenic differentiation during the progression of T2DM. The rate of osteogenic differentiation rapidly declined by 4-7% annually during the first 10 years of diabetes and then slowed down. A predictive model composed of three independent risk factors, including age, duration of diabetes, and glomerular filtration rate, demonstrated an AuROC of 0.834. With a proposed cut-off of 21.25, this model had 72.0% sensitivity, 87.5% specificity, and 78.9% accuracy in predicting the fate of osteoprogenitor cells. In conclusion, this study provided a perspective on the osteogenic differentiation ability of the osteoprogenitor cells across a continuum of dysglycemia and a predictive model with good diagnostic performance for the prediction of the fate of osteoprogenitor cells in patients with T2DM.
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Shieh A, Greendale GA, Cauley JA, Srikanthan P, Karlamangla AS. Longitudinal associations of insulin resistance with change in bone mineral density in midlife women. JCI Insight 2022; 7:e162085. [PMID: 36278482 PMCID: PMC9714784 DOI: 10.1172/jci.insight.162085] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 08/31/2022] [Indexed: 09/07/2023] Open
Abstract
BACKGROUNDThe effects of insulin resistance on bone mineral density (BMD) are unclear.METHODSIn Study of Women's Health Across the Nation (SWAN) participants, we used multivariable regression to test average insulin resistance (homeostatic model assessment of insulin resistance, HOMA-IR) and rate of change in insulin resistance as predictors of rate of change in lumbar spine (LS) and femoral neck (FN) BMD in 3 stages: premenopause (n = 861), menopause transition (MT) (n = 571), and postmenopause (n = 693). Models controlled for age, average BW, change in BW, cigarette use, race and ethnicity, and study site.RESULTSThe relation between HOMA-IR and BMD decline was biphasic. When average log2HOMA-IR was less than 1.5, greater HOMA-IR was associated with slower BMD decline; i.e., each doubling of average HOMA-IR in premenopause was associated with a 0.0032 (P = 0.01, LS) and 0.0041 (P = 0.004, FN) g/cm2 per year slower BMD loss. When greater than or equal to 1.5, average log2HOMA-IR was not associated with BMD change. In women in whom HOMA-IR decreased in premenopause, the association between the HOMA-IR change rate and BMD change rate was positive; i.e, slower HOMA-IR decline was associated with slower BMD loss. In women in whom insulin resistance increased in premenopause, the association was negative; i.e, faster HOMA-IR rise was associated with faster BMD decline. Associations of average HOMA-IR and HOMA-IR change rate with BMD change rate were similar in postmenopause, but weaker during the MT.CONCLUSIONWhen it decreases, insulin resistance is associated with BMD preservation; when it increases, insulin resistance is associated with BMD loss.FUNDINGThe SWAN has grant support from the NIH of the Department of Health and Human Services (DHHS) through the NIH National Institute on Aging (NIA), National Institute of Nursing Research (NINR), and Office of Research on Women's Health (ORWH) (grants U01NR004061, U01AG012505, U01AG012535, U01AG012531, U01AG012539, U01AG012546, U01AG012553, U01AG012554, U01AG012495, and U19AG063720).
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Affiliation(s)
- Albert Shieh
- Department of Medicine, David Geffen School of Medicine at University of California, Los Angeles, Los Angeles, California, USA
| | - Gail A. Greendale
- Department of Medicine, David Geffen School of Medicine at University of California, Los Angeles, Los Angeles, California, USA
| | - Jane A. Cauley
- Department of Epidemiology, School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Preethi Srikanthan
- Department of Medicine, David Geffen School of Medicine at University of California, Los Angeles, Los Angeles, California, USA
| | - Arun S. Karlamangla
- Department of Medicine, David Geffen School of Medicine at University of California, Los Angeles, Los Angeles, California, USA
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5
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Zhang X, Xu Y, Li F, Chen M. Associations between bone mineral density and subclinical peripheral arterial disease in elderly men with type 2 diabetes mellitus. Osteoporos Int 2022; 33:1715-1724. [PMID: 35451624 DOI: 10.1007/s00198-022-06404-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Accepted: 04/12/2022] [Indexed: 12/24/2022]
Abstract
UNLABELLED The association between peripheral arterial disease (PAD) and osteoporosis in elderly men with type 2 diabetes mellitus (T2DM) remains unclear. We demonstrated the association between subclinical PAD and decreased total hip bone mineral density (BMD) in men aged ≥ 55 years with T2DM, providing clinical clues for the early detection of decreased bone density in total hip. PURPOSE To investigate the association between subclinical peripheral arterial disease (PAD) and bone mineral density (BMD) at total hip, femoral neck, and lumbar spine (L1-4) in elderly men with type 2 diabetes mellitus (T2DM). METHODS We identified 2,466 patients with confirmed diabetes in this retrospective cross-sectional study. A total of 272 men aged ≥ 55 years with T2DM (50 with subclinical PAD and 222 without PAD) were analyzed. Partial correlation analysis was conducted to explore the associations between ankle-brachial index (ABI) and BMD. Multivariate logistic regression analysis was performed to analyze the contributor for low bone density (T-score < - 1.0). RESULTS Patients with T2DM and subclinical PAD (ABI ≤ 0.9) had significantly lower total hip BMD and T-score (BMD, 0.87 ± 0.14 vs. 0.92 ± 0.15 g/cm2, P = 0.014; T-score, -1.30 [-1.70 to -0.45] vs. -0.80 [-1.40 to 0.00], P = 0.009) than those in the control group. The partial correlation analyses indicated that ABI significantly correlated with the total hip T-score (adjusted r = 0.166, P = 0.009). The logistic regression analysis indicated that subclinical PAD was an independent risk factor for the risk of decreased bone density in total hip (adjusted odds ratio [95% CI]: 8.933 [1.075-74.222], P = 0.043). CONCLUSION: Subclinical PAD (ABI ≤ 0.9) could be used as a risk factor for decreased total hip BMD in men aged ≥ 55 years with T2DM, which provides clinical clues for the early detection of low bone density in total hip in such populations.
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Affiliation(s)
- X Zhang
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Y Xu
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - F Li
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - M Chen
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China.
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6
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Kwack K, Zhang L, Sohn J, Maglaras V, Thiyagarajan R, Kirkwood K. Novel Preosteoclast Populations in Obesity-Associated Periodontal Disease. J Dent Res 2022; 101:348-356. [PMID: 34636272 PMCID: PMC8982008 DOI: 10.1177/00220345211040729] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Although there is a clear relationship between the degree of obesity and periodontal disease incidence, the mechanisms that underpin the links between these conditions are not completely understood. Understanding that myeloid-derived suppressor cells (MDSCs) are expanded during obesity and operate in a context-defined manner, we addressed the potential role of MDSCs to contribute toward obesity-associated periodontal disease. Flow cytometry revealed that in the spleen of mice fed a high-fat diet (HFD), expansion in monocytic MDSCs (M-MDSCs) significantly increased when compared with mice fed a low-fat diet (LFD). In the osteoclast differentiation assay, M-MDSCs isolated from the bone marrow of HFD-fed mice showed a larger number and area of osteoclasts with a greater number of nuclei. In the M-MDSCs of HFD-fed mice, several osteoclast-related genes were significantly elevated when compared with LFD-fed mice according to a focused transcriptomic platform. In experimental periodontitis, the number and percentage of M-MDSCs were greater, with a significantly larger increase in HFD-fed mice versus LFD-fed mice. In the spleen, the percentage of M-MDSCs was significantly higher in HFD-fed periodontitis-induced (PI) mice than in LFD-PI mice. Alveolar bone volume fraction was significantly reduced in experimental periodontitis and was further decreased in HFD-PI mice as compared with LFD-PI mice. The inflammation score was significantly higher in HFD-PI mice versus LFD-PI mice, with a concomitant increase in TRAP staining for osteoclast number and area in HFD-PI mice over LFD-PI mice. These data support the concept that M-MDSC expansion during obesity to become osteoclasts during periodontitis is related to increased alveolar bone destruction, providing a more detailed mechanistic appreciation of the interconnection between obesity and periodontitis.
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Affiliation(s)
- K.H. Kwack
- Department of Oral Biology,
University at Buffalo, Buffalo, NY, USA
| | - L. Zhang
- Department of Oral Biology,
University at Buffalo, Buffalo, NY, USA
| | - J. Sohn
- Department of Oral Biology,
University at Buffalo, Buffalo, NY, USA,Department of Medicine,
University at Buffalo, Buffalo, NY, USA,Department of Genetics, Genomics,
and Bioinformatics Program, University at Buffalo, Buffalo, NY, USA
| | - V. Maglaras
- Department of Oral Biology,
University at Buffalo, Buffalo, NY, USA
| | - R. Thiyagarajan
- Department of Medicine,
University at Buffalo, Buffalo, NY, USA,Research Service, Western New
York Veterans Affairs Healthcare Service, Buffalo, NY, USA
| | - K.L. Kirkwood
- Department of Oral Biology,
University at Buffalo, Buffalo, NY, USA,Department of Head and
Neck/Plastic and Reconstructive Surgery, Roswell Park Comprehensive Cancer
Center, Buffalo, NY, USA,K.L. Kirkwood, Department of Oral
Biology, School of Dental Medicine, University at Buffalo, The State
University of New York, 645 Biomedical Research Building, 3435 Main
St, Buffalo, NY 14214-8006, USA.
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7
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Phimphilai M, Pothacharoen P, Chattipakorn N, Kongtawelert P. Receptors of Advanced Glycation End Product (RAGE) Suppression Associated With a Preserved Osteogenic Differentiation in Patients With Prediabetes. Front Endocrinol (Lausanne) 2022; 13:799872. [PMID: 35237235 PMCID: PMC8882829 DOI: 10.3389/fendo.2022.799872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Accepted: 01/18/2022] [Indexed: 11/18/2022] Open
Abstract
Type 2 diabetes is widely documented for osteogenic differentiation defect and impaired bone quality, which is related to the skeletal accumulation of advanced glycation end products (AGEs). Prediabetes is a condition in which hyperglycemia is lower than the threshold for the diagnosis of diabetes. Prediabetic animal models consistently demonstrate impaired osteogenic differentiation and deteriorated bone microarchitecture. However, no evidence shows defects in osteoblast development and skeletal effects of AGEs in prediabetic individuals. Therefore, it remains to be elucidated whether impaired osteogenic differentiation ability and altered cellular response to AGEs occur in patients with prediabetes. This cross-sectional study included 28 patients with prediabetes as defined by impaired fasting glucose criteria, fasting plasma glucose (FPG) between 100-125 mg/dl and 17 age-matched normoglycemic controls to elucidate osteogenic differentiation and AGER expression in the PBMC derived from those individuals. The PBMC-isolated from both groups showed similar rates of expression of osteoblast-specific genes, namely, ALPL, BGLAP, COL1A1, and RUNX2/PPAR (89.3% and 88.2%, p = 1.000), and showed comparable levels of expression of those genes. By using age- and pentosidine-matched normoglycemic individuals as references, the PBMC-isolated from prediabetic patients demonstrated lower expression of both AGER and BAX/BCL2. The expression of AGER and BAX/BCL2 significantly correlated to each other (r = 0.986, p <0.0001). The multivariate analysis demonstrated that serum pentosidine is an independent risk factor for AGER expression. With logistic regression analysis, the area under the ROC curve (AUC) for serum pentosidine at the cut-off level of 2.1 ng/ml and FPG at 100 mg/dl, which is a cut-off point for prediabetes, was significantly higher for predicting AGER expression than that of serum pentosidine alone (0.803 vs 0.688, p = 0.048), indicating that serum pentosidine was a good predictor of AGER expression in prediabetic individuals. In conclusion, this study demonstrated a preserved osteogenic differentiation in the PBMC derived from prediabetic individuals. In addition, those PBMC with preserved osteogenic differentiation potential showed the suppression of both cellular RAGE and apoptotic-related signals. Serum pentosidine was an independent risk factor for cellular RAGE expression and is conceivably a good predictor for AGER suppression in prediabetic individuals.
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Affiliation(s)
- Mattabhorn Phimphilai
- Division of Endocrinology, Department of Internal Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
- *Correspondence: Mattabhorn Phimphilai,
| | - Peraphan Pothacharoen
- Thailand Excellence Center for Tissue Engineering and Stem Cells, Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Nipon Chattipakorn
- Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
- Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Prachya Kongtawelert
- Thailand Excellence Center for Tissue Engineering and Stem Cells, Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
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Pan B, Yan J, Zhao P, Liu J, Fu S. Relationship between nonalcoholic fatty liver disease and bone mineral density in type 2 diabetic patients. Int J Diabetes Dev Ctries 2021. [DOI: 10.1007/s13410-021-01022-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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9
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Kwack KH, Maglaras V, Thiyagarajan R, Zhang L, Kirkwood KL. Myeloid-derived suppressor cells in obesity-associated periodontal disease: A conceptual model. Periodontol 2000 2021; 87:268-275. [PMID: 34463977 DOI: 10.1111/prd.12384] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Periodontitis is a common chronic inflammatory disease characterized by destruction of the supporting structures of the teeth. Severe periodontitis is highly prevalent-affecting 10%-15% of adults-and carries several negative comorbidities, thus reducing quality of life. Although a clear relationship exists between severity of obesity and incidence of periodontal disease, the biologic mechanisms that support this link are incompletely understood. In this conceptual appraisal, a new "two-hit" model is presented to explain obesity-exacerbated periodontal bone loss. This proposed model recognizes a previously unappreciated aspect of myeloid-derived suppressor cell population expansion, differentiation, and activity that can participate directly in periodontal bone loss, providing new mechanistic and translational perspectives.
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Affiliation(s)
- Kyu Hwan Kwack
- Department of Oral Biology, University at Buffalo, Buffalo, New York, USA
| | - Victoria Maglaras
- Department of Oral Biology, University at Buffalo, Buffalo, New York, USA
| | - Ramkumar Thiyagarajan
- Division of Geriatrics and Palliative Medicine, University at Buffalo, Buffalo, New York, USA.,Research Service, Western New York Veterans Affairs Healthcare Service, Buffalo, New York, USA
| | - Lixia Zhang
- Department of Oral Biology, University at Buffalo, Buffalo, New York, USA
| | - Keith L Kirkwood
- Department of Oral Biology, University at Buffalo, Buffalo, New York, USA.,Department of Head and Neck/Plastic and Reconstructive Surgery, Buffalo, New York, USA
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10
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Zhu K, Hunter M, James A, Lim EM, Cooke BR, Walsh JP. Relationship between visceral adipose tissue and bone mineral density in Australian baby boomers. Osteoporos Int 2020; 31:2439-2448. [PMID: 32719992 DOI: 10.1007/s00198-020-05556-0] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Accepted: 07/21/2020] [Indexed: 02/01/2023]
Abstract
UNLABELLED Adiposity has a complex relationship with bone health. In 4865 Australian baby boomers (2642 females) aged 45-70 years, we found that higher visceral adipose tissue mass is associated with reduced bone density adjusting for body mass and lifestyle factors, suggesting that excess visceral fat may be deleterious to bone. INTRODUCTION Increased body mass is associated with higher bone mineral density (BMD), but higher visceral adipose tissue (VAT) may have a negative impact on bone health. In the Busselton Healthy Ageing Study, we examined associations between VAT mass and BMD in 4865 participants (2642 females) aged 45-70 years. METHODS VAT mass and BMD of whole body, total hip, femoral neck and lumbar spine were measured using DXA. VAT mass was examined as a continuous variable and in quartiles using sex-specific cut-offs. RESULTS The mean age was 58.0 ± 5.8 years. Males had significantly higher BMI (28.3 ± 3.7 vs 27.5 ± 4.9 kg/m2) and VAT mass (1675 ± 878 vs 882 ± 600 g) than females (both P < 0.001). In males, after adjustment for age, body mass, height and lifestyle factors, VAT mass negatively associated with total body, total hip and femoral neck BMD (β = - 0.153 to - 0.293, all P < 0.001). Males in the highest quartile of VAT mass (> 2200 g) had significantly lower BMD at all three sites than those in lower quartiles, with estimated BMD differences of 2.3-5.7% (all P < 0.05). In females, VAT mass negatively associated with total body, femoral neck and lumbar spine BMD (β = - 0.067 to - 0.178, all P < 0.05) and those in the highest quartile (> 1250 g) had significantly lower total body BMD than other quartiles (by 1.7-3.7%, all P < 0.05). CONCLUSION In middle-aged Australians, after covariate adjustment, higher DXA-derived VAT mass is associated with reduced bone density, suggesting that excess visceral fat may be deleterious to bone, especially in males.
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Affiliation(s)
- K Zhu
- Department of Endocrinology and Diabetes, Sir Charles Gairdner Hospital, Nedlands, Western Australia, 6009, Australia.
- Medical School, University of Western Australia, Crawley, Western Australia, Australia.
| | - M Hunter
- Busselton Population Medical Research Institute, Busselton, Western Australia, Australia
- School of Population and Global Health, University of Western Australia, Crawley, Western Australia, Australia
| | - A James
- Medical School, University of Western Australia, Crawley, Western Australia, Australia
- Department of Pulmonary Physiology and Sleep Medicine, Sir Charles Gairdner Hospital, Nedlands, Western Australia, Australia
| | - E M Lim
- Department of Endocrinology and Diabetes, Sir Charles Gairdner Hospital, Nedlands, Western Australia, 6009, Australia
- Department of Clinical Biochemistry, PathWest Laboratory Medicine, Queen Elizabeth II Medical Centre, Nedlands, Western Australia, Australia
| | - B R Cooke
- Department of Clinical Biochemistry, PathWest Laboratory Medicine, Fiona Stanley Hospital, Murdoch, Western Australia, Australia
| | - J P Walsh
- Department of Endocrinology and Diabetes, Sir Charles Gairdner Hospital, Nedlands, Western Australia, 6009, Australia
- Medical School, University of Western Australia, Crawley, Western Australia, Australia
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11
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Lactobacillus paracasei HII01, xylooligosaccharide and synbiotics improve tibial microarchitecture in obese-insulin resistant rats. J Funct Foods 2019. [DOI: 10.1016/j.jff.2019.06.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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12
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Loh WJ, Stevenson JC, Godsland IF. Independent relationships between bone mineral density, regional body fat and insulin sensitivity in white males. Clin Endocrinol (Oxf) 2019; 91:63-71. [PMID: 30973644 DOI: 10.1111/cen.13989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Revised: 03/16/2019] [Accepted: 04/09/2019] [Indexed: 11/30/2022]
Abstract
BACKGROUND Adiposity and insulin sensitivity may affect bone mineral density (BMD), but the confounding effect of weight hinders discrimination of independent associations. We explored whether regional fat masses and insulin sensitivity are independently related to BMD. MATERIALS AND METHODS Relationships between total and regional body fat, insulin sensitivity and measures of BMD in 8 different regions were evaluated in a cross section of 590 generally healthy, white males, 274 of whom received measurement of insulin sensitivity (Si) using the intravenous glucose tolerance test. Measurements included total, android and gynoid fat and lean body mass and regional BMDs by dual-energy X-ray absorptiometry. Linear regression analyses were combined in a mediation analysis to explore associations with each regional BMD. RESULTS Weight correlated positively with total fat mass (R2 = 0.67, P < 0.001) and negatively with Si (R2 = 0.14, P < 0.001). Body composition measures were consistently positively related to BMD in all regions except lumbar and thoracic spine. Accounting for body weight rendered negative majority of associations between total and regional fat masses and BMDs. An independent association between android fat and spine BMD was particularly apparent. Si was positively associated with total and limb BMD (P < 0.01) specifically among exercisers. Accounting for Si diminished the associations of total fat (negative) and lean body mass (positive) with total and limb BMD. CONCLUSION Android fat is independently negatively associated with spine BMD. Among those taking exercise, increased insulin sensitivity is associated with higher limb BMD and may underlie positive associations between lean body mass and BMD.
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Affiliation(s)
- Wann Jia Loh
- Diabetes, Endocrinology and Metabolic Medicine, Faculty of Medicine, Imperial College London, London, UK
- Department of Endocrinology, Changi General Hospital, Singapore
| | - John C Stevenson
- National Heart and Lung Institute, Imperial College London, London, UK
| | - Ian F Godsland
- Diabetes, Endocrinology and Metabolic Medicine, Faculty of Medicine, Imperial College London, London, UK
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13
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Zhang N, Jiang H, Bai Y, Lu X, Feng M, Guo Y, Zhang S, Luo Q, Wu H, Wang L. The molecular mechanism study of insulin on proliferation and differentiation of osteoblasts under high glucose conditions. Cell Biochem Funct 2019; 37:385-394. [PMID: 31140646 DOI: 10.1002/cbf.3415] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Revised: 04/02/2019] [Accepted: 05/11/2019] [Indexed: 12/26/2022]
Affiliation(s)
- Nong Zhang
- Department of StomatologyShenzhen Longgang District Maternal and Child Health Care Hospital Shenzhen China
| | - Hua Jiang
- Department of StomatologyGeneral Hospital of Chinese People's Liberation Army Beijing China
| | - Yang Bai
- Department of StomatologyGeneral Hospital of Chinese People's Liberation Army Beijing China
| | - Xingmei Lu
- Department of Chemical Engineering and Technology, a CAS key Laboratory of Green Process and Engineering, Institute of Process Engineering, China B college of Chemical and Engineering, University of Chinese Academy of SciencesChinese Academy of Sciences Beijing China
| | - Mi Feng
- Department of Applied Chemistry, a CAS key Laboratory of Green Process and Engineering, Institute of Process Engineering, China B college of Chemical and Engineering, University of Chinese Academy of SciencesChinese Academy of Sciences Beijing China
| | - Yu Guo
- Department of StomatologyGeneral Hospital of Chinese People's Liberation Army Beijing China
| | - Shuo Zhang
- Department of StomatologyGeneral Hospital of Chinese People's Liberation Army Beijing China
| | - Qiang Luo
- Department of StomatologyGeneral Hospital of Chinese People's Liberation Army Beijing China
| | - Hao Wu
- Department of StomatologyGeneral Hospital of Chinese People's Liberation Army Beijing China
| | - Lin Wang
- Department of StomatologyGeneral Hospital of Chinese People's Liberation Army Beijing China
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14
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Eaimworawuthikul S, Tunapong W, Chunchai T, Suntornsaratoon P, Charoenphandhu N, Thiennimitr P, Chattipakorn N, Chattipakorn SC. Altered gut microbiota ameliorates bone pathology in the mandible of obese-insulin-resistant rats. Eur J Nutr 2019; 59:1453-1462. [PMID: 31123863 DOI: 10.1007/s00394-019-02002-8] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Accepted: 05/16/2019] [Indexed: 02/07/2023]
Abstract
PURPOSE The chronic consumption of a high-fat diet (HFD) induces obese-insulin resistance and impairs jawbone health via gut dysbiosis-stimulated inflammatory process. Our previous studies demonstrated that the probiotic Lactobacillus paracasei HII01, prebiotic xylooligosaccharide (XOS), and synbiotics improved several vital organ functions by reducing gut dysbiosis in HFD-induced obese rats. However, the impacts on the cellular level of jawbone microarchitecture have not been examined. Here, we hypothesized that the supplementation of L. paracasei HII01, XOS, and synbiotics ameliorated the bone microarchitectural pathology in HFD-fed rats by reducing systemic inflammation and other metabolic parameters. METHODS The dietary regimes (normal or high-fat diet) were provided to 48 male Wistar rats throughout 24-week experiment. After week 12, rats were given either a vehicle, pro-, pre-, or synbiotic for an additional 12 weeks before being killed. Then, blood analyses and bone histomorphometry of the jawbones were performed. RESULTS The HFD-fed rats developed obese-insulin resistance with significantly elevated systemic inflammation. Bone histomorphometry of these rats showed a decrease in trabecular thickness with increased osteoclasts and active erosion surfaces. Mineral apposition and bone-formation rates were also remarkably diminished. The treatment with pro-, pre-, and synbiotics equally improved metabolic disturbance, reduced systemic inflammation, increased trabecular thickness, decreased osteoclasts and active erosion surfaces and restored mineral apposition and bone-formation rates. CONCLUSION The probiotic L. paracasei HII01, prebiotic XOS, and the synbiotics had similarly beneficial effects to improve jawbone microarchitecture in HFD-fed rats by possibly ameliorating osteoclast-related bone resorption and potentiating bone-formation activities.
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Affiliation(s)
- Sathima Eaimworawuthikul
- Department of Orthodontics and Pediatric Dentistry, Faculty of Dentistry, Chiang Mai University, Chiang Mai, 50200, Thailand.,Department of Oral Biology and Diagnostic Sciences, Faculty of Dentistry, Chiang Mai University, Chiang Mai, 50200, Thailand.,Neurophysiology Unit, Center of Excellence in Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Wannipa Tunapong
- Neurophysiology Unit, Center of Excellence in Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Titikorn Chunchai
- Neurophysiology Unit, Center of Excellence in Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Panan Suntornsaratoon
- Center of Calcium and Bone Research (COCAB), Faculty of Science, Mahidol University, Bangkok, 10400, Thailand.,Department of Physiology, Faculty of Science, Mahidol University, Bangkok, 10400, Thailand
| | - Narattaphol Charoenphandhu
- Center of Calcium and Bone Research (COCAB), Faculty of Science, Mahidol University, Bangkok, 10400, Thailand.,Department of Physiology, Faculty of Science, Mahidol University, Bangkok, 10400, Thailand.,Institute of Molecular Biosciences, Mahidol University, Nakhon Pathom, 73170, Thailand.,The Academy of Science, The Royal Society of Thailand, Dusit, Bangkok, 10300, Thailand
| | - Parameth Thiennimitr
- Department of Microbiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Nipon Chattipakorn
- Neurophysiology Unit, Center of Excellence in Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Siriporn C Chattipakorn
- Department of Oral Biology and Diagnostic Sciences, Faculty of Dentistry, Chiang Mai University, Chiang Mai, 50200, Thailand. .,Neurophysiology Unit, Center of Excellence in Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand.
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15
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Eaimworawuthikul S, Tunapong W, Chunchai T, Yasom S, Wanchai K, Suntornsaratoon P, Charoenphandhu N, Thiennimitr P, Chattipakorn N, Chattipakorn SC. Effects of probiotics, prebiotics or synbiotics on jawbone in obese-insulin resistant rats. Eur J Nutr 2018; 58:2801-2810. [DOI: 10.1007/s00394-018-1829-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2018] [Accepted: 09/18/2018] [Indexed: 12/14/2022]
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16
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High-fat diet disrupts bone remodeling by inducing local and systemic alterations. J Nutr Biochem 2018; 59:93-103. [PMID: 29986312 DOI: 10.1016/j.jnutbio.2018.06.006] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2017] [Revised: 05/30/2018] [Accepted: 06/07/2018] [Indexed: 11/22/2022]
Abstract
A high-fat (HF) diet leads to detrimental effects on alveolar bone (AB); however, the mechanisms linking adiposity to bone loss are poorly understood. This study investigated if AB resorption induced by an HF diet is associated with the regulation of inflammatory gene expression and if adipocytes can directly interfere with osteoclastogenesis. We also evaluated the effects of diet restriction (DR) on bone phenotype. C57BL6/J mice were fed normal chow or an HF diet for 12 weeks. Samples of maxillae, femur, blood and white adipose tissue were analyzed. In vitro co-culture of bone marrow-derived osteoclasts and mature adipocytes was carried out. The results revealed an increased number of osteoclasts and fewer osteoblasts in animals fed the HF diet, which led to the disruption of trabecular bone and horizontal AB loss. Similar effects were observed in the femur. The metabolic parameters and the deleterious effects of the HF diet on AB and the femur were reversed after DR. The HF diet modulated the expression of 30 inflammatory genes in AB such as Fam3c, InhBa, Tnfs11, Ackr2, Pxmp2 and Chil3, which are related to the inflammatory response and bone remodeling. In vitro, mature adipocytes produced increased levels of adipokines, and co-culture with osteoclasts resulted in augmented osteoclastogenesis. The results indicate that the mechanisms by which an HF diet affects bone involve induction of osteoclastogenesis and inflammatory gene expression. Adipokines apparently are key molecules in this process. Strategies to control diet-induced bone loss might be beneficial in patients with preexisting bone inflammatory conditions.
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17
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García-Gavilán JF, Bulló M, Camacho-Barcia L, Rosique-Esteban N, Hernández-Alonso P, Basora J, Martínez-González MA, Estruch R, Fitó M, Salas-Salvadó J. Higher dietary glycemic index and glycemic load values increase the risk of osteoporotic fracture in the PREvención con DIeta MEDiterránea (PREDIMED)-Reus trial. Am J Clin Nutr 2018; 107:1035-1042. [PMID: 29746627 DOI: 10.1093/ajcn/nqy043] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Accepted: 02/16/2018] [Indexed: 02/07/2023] Open
Abstract
Background High glucose and insulin concentrations seem to have a negative impact on bone health. However, the relation between the dietary glycemic index (DGI) and the dietary glycemic load (DGL), which has proved to be effective at modulating blood glucose concentrations after carbohydrate consumption, has yet to be explored in relation to bone health. Objective The aim of the study was to examine the associations between the DGI or DGL and the risk of osteoporotic-related fractures in an elderly Mediterranean population. Design The study was conducted in 870 subjects aged 55-80 y at high cardiovascular disease risk participating in the PREvención con DIeta MEDiterránea (PREDIMED)-Reus study. The DGI and DGL were estimated from validated food-frequency questionnaires with the use of the international glycemic index and glycemic load values, with glucose as reference. Data on osteoporotic fractures were acquired from a systematic review of medical records. We used Cox proportional hazard models to assess the risk of osteoporotic fracture according to tertiles of average DGI and DGL. Results A total of 114 new cases of osteoporotic-related fractures were documented after a mean follow-up of 8.9 y. Participants in the highest tertile of DGI and DGL had a significantly higher risk of osteoporotic fractures than those in the lowest tertile after adjusting for potential confounders (HR: 1.80; 95% CI: 1.03, 3.15 and HR: 3.20; 95% CI: 1.25, 8.18, respectively). Conclusions A high DGI and DGL are associated with a higher risk of osteoporosis-related fractures in an elderly Mediterranean population at high cardiovascular disease risk. This trial was registered at isrctn.com as ISRCTN35739639.
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Affiliation(s)
- Jesús Francisco García-Gavilán
- Human Nutrition Unit, Biochemistry and Biotechnology Department, Faculty of Medicine and Health Sciences, University Hospital of Sant Joan de Reus, IISPV, Universitat Rovira i Virgili, Reus, Spain.,CIBER Physiopathology of Obesity and Nutrition, Instituto de Salud Carlos III, Madrid, Spain
| | - Mònica Bulló
- Human Nutrition Unit, Biochemistry and Biotechnology Department, Faculty of Medicine and Health Sciences, University Hospital of Sant Joan de Reus, IISPV, Universitat Rovira i Virgili, Reus, Spain.,CIBER Physiopathology of Obesity and Nutrition, Instituto de Salud Carlos III, Madrid, Spain
| | - Lucia Camacho-Barcia
- Human Nutrition Unit, Biochemistry and Biotechnology Department, Faculty of Medicine and Health Sciences, University Hospital of Sant Joan de Reus, IISPV, Universitat Rovira i Virgili, Reus, Spain.,CIBER Physiopathology of Obesity and Nutrition, Instituto de Salud Carlos III, Madrid, Spain
| | - Nuria Rosique-Esteban
- Human Nutrition Unit, Biochemistry and Biotechnology Department, Faculty of Medicine and Health Sciences, University Hospital of Sant Joan de Reus, IISPV, Universitat Rovira i Virgili, Reus, Spain.,CIBER Physiopathology of Obesity and Nutrition, Instituto de Salud Carlos III, Madrid, Spain
| | - Pablo Hernández-Alonso
- Human Nutrition Unit, Biochemistry and Biotechnology Department, Faculty of Medicine and Health Sciences, University Hospital of Sant Joan de Reus, IISPV, Universitat Rovira i Virgili, Reus, Spain.,CIBER Physiopathology of Obesity and Nutrition, Instituto de Salud Carlos III, Madrid, Spain
| | - Josep Basora
- Human Nutrition Unit, Biochemistry and Biotechnology Department, Faculty of Medicine and Health Sciences, University Hospital of Sant Joan de Reus, IISPV, Universitat Rovira i Virgili, Reus, Spain
| | - Miguel Angel Martínez-González
- CIBER Physiopathology of Obesity and Nutrition, Instituto de Salud Carlos III, Madrid, Spain.,Medical School, Department of Preventive Medicine and Public Health, University of Navarra, Pamplona, Spain
| | - Ramón Estruch
- CIBER Physiopathology of Obesity and Nutrition, Instituto de Salud Carlos III, Madrid, Spain.,Department of Internal Medicine, August Pi i Sunyer Institute of Biomedical Research (IDIBAPS), Hospital Clinic, University of Barcelona, Barcelona, Spain
| | - Montserrat Fitó
- CIBER Physiopathology of Obesity and Nutrition, Instituto de Salud Carlos III, Madrid, Spain.,Cardiovascular Risk and Nutrition (Regicor Study Group), Hospital del Mar Medical Research Institute, Barcelona, Spain
| | - Jordi Salas-Salvadó
- Human Nutrition Unit, Biochemistry and Biotechnology Department, Faculty of Medicine and Health Sciences, University Hospital of Sant Joan de Reus, IISPV, Universitat Rovira i Virgili, Reus, Spain.,CIBER Physiopathology of Obesity and Nutrition, Instituto de Salud Carlos III, Madrid, Spain
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18
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Glass NA, Torner JC, Letuchy EM, Burns TL, Janz KF, Eichenberger Gilmore JM, Schlechte JA, Levy SM. Does Visceral or Subcutaneous Fat Influence Peripheral Cortical Bone Strength During Adolescence? A Longitudinal Study. J Bone Miner Res 2018; 33:580-588. [PMID: 29083059 PMCID: PMC5959294 DOI: 10.1002/jbmr.3325] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2017] [Revised: 10/17/2017] [Accepted: 10/27/2017] [Indexed: 12/21/2022]
Abstract
This study evaluated the longitudinal relationships among visceral adipose tissue (VAT), subcutaneous adipose tissue (SAT), and peripheral bone strength during adolescence. Fat and lean mass, VAT and SAT area, and android/gynoid (A/G) ratio were estimated with DXA. Our main outcome was strength-strain index (SSI), an indicator of peripheral bone strength estimated by pQCT at the radius and tibia. Sex-specific analyses evaluated the longitudinal bone-fat relationship from ages 11 to 19 years with linear mixed models using biological age as the time variable and adjusted for limb length and lean mass in 182 girls and 167 boys. Variables were standardized (mean = 0, SD = 1) prior to model fitting and results shown are parameter estimates ± SE. Fat mass and SAT were positively associated with SSI (radius: 0.07 ± 0.02, p = 0.003 and 0.05 ± 0.02, 0.041, respectively; tibia: 0.09 ± 0.02, p < 0.001 and 0.08 ± 0.02, p < 0.001, respectively) prior to, but not following adjustment for lean mass in girls. In contrast, fat mass and SAT were negatively associated with radial SSI, both before and after adjustment for lean mass in boys (fat mass: -0.05 ± 0.01, p = 0.001; SAT: -0.04 ± 0.01, p = 0.004). In full models, negative associations were limited to VAT in girls and included radial (-0.06 ± 0.02, p = 0.001) and tibial SSI (-0.04 ± 0.02, p = 0.033). For boys, there were no significant associations present between VAT and SSI at the radius or tibia. In analyses limited to obese participants, an A/G ratio was not significantly associated with SSI in girls, but was negatively associated with radial SSI regardless of adjustment for lean mass in boys (-0.06 ± 0.02, p = 0.018). These results that show a negative relationship between peripheral bone strength and VAT in girls, but greater total and central adiposity in boys, suggest these factors play a role in adequate acquisition of bone strength during adolescence. © 2017 American Society for Bone and Mineral Research.
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Affiliation(s)
- Natalie A Glass
- Department of Orthopaedic Surgery, The University of Iowa Hospitals & Clinics, Iowa City, IA, USA
| | - James C Torner
- Department of Epidemiology, College of Public Health, The University of Iowa, Iowa City, IA, USA
| | - Elena M Letuchy
- Department of Epidemiology, College of Public Health, The University of Iowa, Iowa City, IA, USA
| | - Trudy L Burns
- Department of Epidemiology, College of Public Health, The University of Iowa, Iowa City, IA, USA
| | - Kathleen F Janz
- Department of Epidemiology, College of Public Health, The University of Iowa, Iowa City, IA, USA
- Department of Health and Human Physiology, The University of Iowa, Iowa City, IA, USA
| | - Julie M Eichenberger Gilmore
- Department of Epidemiology, College of Public Health, The University of Iowa, Iowa City, IA, USA
- Department of Preventive & Community Dentistry, The University of Iowa College of Dentistry & Dental Clinics, Iowa City, IA, USA
| | - Janet A Schlechte
- Department of Internal Medicine, The University of Iowa Hospitals & Clinics, Iowa City, IA, USA
| | - Steven M Levy
- Department of Epidemiology, College of Public Health, The University of Iowa, Iowa City, IA, USA
- Department of Preventive & Community Dentistry, The University of Iowa College of Dentistry & Dental Clinics, Iowa City, IA, USA
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19
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Robles M, Nouveau E, Gautier C, Mendoza L, Dubois C, Dahirel M, Lagofun B, Aubrière MC, Lejeune JP, Caudron I, Guenon I, Viguié C, Wimel L, Bouraima-Lelong H, Serteyn D, Couturier-Tarrade A, Chavatte-Palmer P. Maternal obesity increases insulin resistance, low-grade inflammation and osteochondrosis lesions in foals and yearlings until 18 months of age. PLoS One 2018; 13:e0190309. [PMID: 29373573 PMCID: PMC5786290 DOI: 10.1371/journal.pone.0190309] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2017] [Accepted: 12/12/2017] [Indexed: 12/14/2022] Open
Abstract
INTRODUCTION Obesity is a growing concern in horses. The effects of maternal obesity on maternal metabolism and low-grade inflammation during pregnancy, as well as offspring growth, metabolism, low-grade inflammation, testicular maturation and osteochondrotic lesions until 18 months of age were investigated. MATERIAL AND METHODS Twenty-four mares were used and separated into two groups at insemination according to body condition score (BCS): Normal (N, n = 10, BCS ≤4) and Obese (O, n = 14, BCS ≥4.25). BCS and plasma glucose, insulin, triglyceride, urea, non-esterified fatty acid, serum amyloid A (SAA), leptin and adiponectin concentrations were monitored throughout gestation. At 300 days of gestation, a Frequently Sampled Intravenous Glucose Tolerance Test (FSIGT) was performed. After parturition, foals' weight and size were monitored until 18 months of age with plasma SAA, leptin, adiponectin, triiodothyronine (T3), thyroxine (T4) and cortisol concentrations measured at regular intervals. At 6, 12 and 18 months of age, FSIGT and osteoarticular examinations were performed. Males were gelded at one year and expression of genes involved in testicular maturation analysed by RT-qPCR. RESULTS Throughout the experiment, maternal BCS was higher in O versus N mares. During gestation, plasma urea and adiponectin were decreased and SAA and leptin increased in O versus N mares. O mares were also more insulin resistant than N mares with a higher glucose effectiveness. Postnatally, there was no difference in offspring growth between groups. Nevertheless, plasma SAA concentrations were increased in O versus N foals until 6 months, with O foals being consistently more insulin resistant with a higher glucose effectiveness. At 12 months of age, O foals were significantly more affected by osteochondrosis than N foals. All other parameters were not different between groups. CONCLUSION In conclusion, maternal obesity altered metabolism and increased low-grade inflammation in both dams and foals. The risk of developing osteochondrosis at 12 months of age was also higher in foals born to obese dams.
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Affiliation(s)
- M. Robles
- UMR BDR, INRA, ENVA, Université Paris Saclay, Jouy en Josas, France
| | - E. Nouveau
- UMR BDR, INRA, ENVA, Université Paris Saclay, Jouy en Josas, France
| | - C. Gautier
- Normandie Univ, UNICAEN, EA2608, OeReCa, USC-INRA, Caen, France
| | - L. Mendoza
- Clinique Equine, Faculté de Médecine Vétérinaire, Université de Liège, Liège, Belgium
| | - C. Dubois
- IFCE, Station Expérimentale de la Valade, Chamberet, France
| | - M. Dahirel
- UMR BDR, INRA, ENVA, Université Paris Saclay, Jouy en Josas, France
| | - B. Lagofun
- UMR BDR, INRA, ENVA, Université Paris Saclay, Jouy en Josas, France
| | - M-C Aubrière
- UMR BDR, INRA, ENVA, Université Paris Saclay, Jouy en Josas, France
| | - J-P Lejeune
- Clinique Equine, Faculté de Médecine Vétérinaire, Université de Liège, Liège, Belgium
| | - I. Caudron
- Clinique Equine, Faculté de Médecine Vétérinaire, Université de Liège, Liège, Belgium
| | - I. Guenon
- Normandie Univ, UNICAEN, EA2608, OeReCa, USC-INRA, Caen, France
| | - C. Viguié
- INRA, UMR Toxalim, Research Center in Food Toxicology, Toulouse, France
| | - L. Wimel
- IFCE, Station Expérimentale de la Valade, Chamberet, France
| | | | - D. Serteyn
- Clinique Equine, Faculté de Médecine Vétérinaire, Université de Liège, Liège, Belgium
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20
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Wang Y, Wen G, Zhou R, Zhong W, Lu S, Hu C, Chai Y. Association of Nonalcoholic Fatty Liver Disease With Osteoporotic Fractures: A Cross-Sectional Retrospective Study of Chinese Individuals. Front Endocrinol (Lausanne) 2018; 9:408. [PMID: 30083134 PMCID: PMC6064874 DOI: 10.3389/fendo.2018.00408] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2018] [Accepted: 07/02/2018] [Indexed: 12/11/2022] Open
Abstract
Objective: Nonalcoholic fatty liver disease (NAFLD) is related to several inflammatory or metabolic diseases. However, findings of previous studies investigating the association between NAFLD and BMD are inconsistent. Only one study reported a potential association between NAFLD and osteoporotic fracture. This study investigated whether NAFLD in older participants (>55 years) was associated with osteoporotic fracture risk. Materials and Methods: This cross-sectional, observational study included 2,695 participants (35.7% men, 614 cases of NAFLD, and 383 fractures). Standardized questionnaires, laboratory tests, and physical and ultrasonic examinations were completed. Results: After adjusting for various factors including serum triglycerides (TG), high-density cholesterol (HDL-C), and low-density lipoprotein cholesterol (LDL-C), multivariate logistic regression models revealed a marginal association between NAFLD and osteoporotic fracture risk in men (odds ratio [OR], 1.86; 95% confidence interval [CI], 1.06-3.27; P = 0.030) but no association in women (OR, 1.05; 95% CI, 0.74-1.48; P = 0.800). Further stratified analyses showed a significant association between NAFLD and osteoporotic fracture risk in men without high TG, low HDL-C, and high LDL-C. Conclusions: There was a significant association between NAFLD and osteoporotic fracture risk in older Chinese men, particularly men without dyslipidemia.
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21
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Montalvany-Antonucci CC, Zicker MC, Oliveira MC, Macari S, Madeira MFM, Andrade I, Ferreira AVM, Silva TA. Diet versus jaw bones: Lessons from experimental models and potential clinical implications. Nutrition 2017; 45:59-67. [PMID: 29129238 DOI: 10.1016/j.nut.2017.07.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2017] [Revised: 06/30/2017] [Accepted: 07/03/2017] [Indexed: 12/25/2022]
Abstract
The consumption of different types of diets influences not only body health but the bone remodeling process as well. Nutritional components can directly affect maxillary and mandibular alveolar bone microarchitecture. In this review, we focus on the current knowledge regarding the influence of diets and dietary supplementation on alveolar bone. Accumulating evidence from experimental models suggests that carbohydrate- and fat-rich diets are detrimental for alveolar bone, whereas protective effects are associated with consumption of calcium, ω-3, and bioactive compounds. Little is known about the effects of protein-free and protein-rich diets, boron, vitamin C, vitamin E, zinc, and caffeine on alveolar bone remodeling. Adipokines and direct effects of nutritional components on bone cells are proposed mechanisms linking diet and bone. Results from animal models substantiate the role of nutritional components on alveolar bone. It is a well-built starting point for clinical studies on nutritional monitoring and intervention for patients with alveolar bone disorders, especially those who are treatment refractory.
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Affiliation(s)
| | - Marina C Zicker
- Department of Food Science, Faculty of Pharmacy, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Marina C Oliveira
- Department of Food Science, Faculty of Pharmacy, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Soraia Macari
- Department of Pediatric Dentistry and Orthodontics, Faculty of Dentistry, Federal University of Minas Gerais, Minas Gerais, Brazil
| | - Mila Fernandes M Madeira
- Department of Microbiology, Institute of Biological Science, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Ildeu Andrade
- Department of Orthodontics, Faculty of Dentistry, Pontifical Catholic University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Adaliene Versiani M Ferreira
- Department of Nutrition, Nursing School, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Tarcilia A Silva
- Department of Oral Surgery and Pathology, Faculty of Dentistry, Federal University of Minas Gerais, Minas Gerais, Brazil.
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22
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Kim HY, Jung HW, Hong H, Kim JH, Shin CH, Yang SW, Lee YA. The Role of Overweight and Obesity on Bone Health in Korean Adolescents with a Focus on Lean and Fat Mass. J Korean Med Sci 2017; 32:1633-1641. [PMID: 28875607 PMCID: PMC5592177 DOI: 10.3346/jkms.2017.32.10.1633] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Accepted: 07/21/2017] [Indexed: 02/01/2023] Open
Abstract
As the associations between pediatric overweight/obesity and bone health remain controversial, we investigated the effects of overweight/obesity as well as lean mass (LM) and fat mass (FM) on bone parameters in adolescents. Bone parameters were evaluated using dual-energy X-ray absorptiometry (DXA) data of 982 adolescents (aged 12-19 years) from the Korea National Health and Nutrition Examination Survey (2009-2010). Z-scores for LM, FM, bone mass, bone mineral density (BMD), and bone mineral apparent density (BMAD) using Korean pediatric reference values were used for analysis. Adolescents with overweight/obesity had significantly higher bone mass and density of the total-body-less-head (TBLH), lumbar spine, and femur neck than underweight or normal-weight adolescents (P < 0.001) after adjusting for vitamin D deficiency, calcium intake, and insulin resistance in both sexes. LM was positively associated with bone parameters at all skeletal sites in both sexes (P < 0.001). FM was negatively related to TBLH BMD in boys (P = 0.018) but was positively associated to BMD and BMAD of the lumbar spine and femur neck in girls. In conclusion, overweight/obesity and LM play a positive role in bone health in adolescents. The effect of FM on bone parameters is sex- and site-specific.
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Affiliation(s)
- Hwa Young Kim
- Department of Pediatrics, Kangwon National University Hospital, Chuncheon, Korea
| | - Hae Woon Jung
- Department of Pediatrics, Kyung Hee University Medical Center, Seoul, Korea
| | - Hyunsook Hong
- Medical Research Collaborating Center, Seoul National University Hospital, Seoul, Korea
| | - Jae Hyun Kim
- Department of Pediatrics, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Choong Ho Shin
- Department of Pediatrics, Seoul National University Children's Hospital, Seoul, Korea
| | - Sei Won Yang
- Department of Pediatrics, Seoul National University Children's Hospital, Seoul, Korea
| | - Young Ah Lee
- Department of Pediatrics, Seoul National University Children's Hospital, Seoul, Korea.
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Choo MS, Choi SR, Han JH, Lee SH, Shim YS. Association of insulin resistance with near peak bone mass in the femur and lumbar spine of Korean adults aged 25-35: The Korean National Health and Nutrition Examination Survey 2008-2010. PLoS One 2017; 12:e0177311. [PMID: 28704413 PMCID: PMC5509105 DOI: 10.1371/journal.pone.0177311] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Accepted: 04/25/2017] [Indexed: 01/08/2023] Open
Abstract
Objective This study aimed to evaluate the relationship between insulin resistance and the bone mineral density (BMD) of femur and lumbar spine in Korean adults who are expected to exhibit near peak bone mass. Methods Data from the Korean National Health and Nutrition Examination Survey 2008–2010 were analyzed. A total of 2,750 participants aged 25−35 years were included. Insulin resistance was assessed using a homeostatic model assessment of insulin resistance (HOMA-IR) and serum fasting insulin. Results In a multivariate linear regression analysis, the HOMA-IR was significantly inversely associated with the BMD of the total hip (TH, β = −0.052, P = 0.002), femoral neck (FN, β = −0.072, P<0.001), femoral trochanter (FTr, β = −0.055, P = 0.003), femoral intertrochanter (FITr, β = −0.041, P = 0.015), and lumbar spine (LS, β = −0.063, P = 0.001) among all study subjects after adjustment for gender, age, height, weight, whole body fat mass percentage, systolic blood pressure, diastolic blood pressure, total cholesterol, triglyceride, high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, vitamin D, smoking, alcohol intake, physical activity, education level, and household income in both genders as well as labor, the use of oral contraceptives, and age at menarche in females. The serum fasting insulin was significantly inversely associated with the BMD of the TH (β = −0.055, P = 0.001), FN (β = −0.072, P<0.001), FTr (β = −0.055, P = 0.003), FITr (β = −0.045, P = 0.009), and LS (β = −0.064, P = 0.001) among all subjects in a multivariate linear regression analysis. Conclusion Our results suggest that insulin resistance may be independently and inversely associated with the near peak bone mass of the femur and lumbar spine.
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Affiliation(s)
- Min Soo Choo
- Department of Urology, Hallym University Medical Center, Hallym University College of Medicine, Chuncheon, Seoul, Korea
| | - Se Rin Choi
- Department of Pediatrics, Hallym University Medical Center, Hallym University College of Medicine, Chuncheon, Seoul, Korea
| | - Jun Hyun Han
- Department of Urology, Hallym University Medical Center, Hallym University College of Medicine, Chuncheon, Seoul, Korea
| | - Seong Ho Lee
- Department of Urology, Hallym University Medical Center, Hallym University College of Medicine, Chuncheon, Seoul, Korea
| | - Young Suk Shim
- Department of Pediatrics, Hallym University Medical Center, Hallym University College of Medicine, Chuncheon, Seoul, Korea
- * E-mail:
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Eaimworawuthikul S, Thiennimitr P, Chattipakorn N, Chattipakorn SC. Diet-induced obesity, gut microbiota and bone, including alveolar bone loss. Arch Oral Biol 2017; 78:65-81. [DOI: 10.1016/j.archoralbio.2017.02.009] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2016] [Revised: 01/09/2017] [Accepted: 02/06/2017] [Indexed: 02/07/2023]
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Poggiogalle E, Donini LM, Lenzi A, Chiesa C, Pacifico L. Non-alcoholic fatty liver disease connections with fat-free tissues: A focus on bone and skeletal muscle. World J Gastroenterol 2017; 23:1747-1757. [PMID: 28348479 PMCID: PMC5352914 DOI: 10.3748/wjg.v23.i10.1747] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2016] [Revised: 01/30/2017] [Accepted: 02/17/2017] [Indexed: 02/06/2023] Open
Abstract
The estimates of global incidence and prevalence of non-alcoholic fatty liver disease (NAFLD) are worrisome, due to the parallel burden of obesity and its metabolic complications. Indeed, excess adiposity and insulin resistance represent two of the major risk factors for NAFLD; interestingly, in the last years a growing body of evidence tended to support a novel mechanistic perspective, in which the liver is at the center of a complex interplay involving organs and systems, other than adipose tissue and glucose homeostasis. Bone and the skeletal muscle are fat- free tissues which appeared to be independently associated with NAFLD in several cross-sectional studies. The deterioration of bone mineral density and lean body mass, leading to osteoporosis and sarcopenia, respectively, are age-related processes. The prevalence of NAFLD also increases with age. Beyond physiological aging, the three conditions share some common underlying mechanisms, and their elucidations could be of paramount importance to design more effective treatment strategies for the management of NAFLD. In this review, we provide an overview on epidemiological data as well as on potential contributors to the connections of NAFLD with bone and skeletal muscle.
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Association of nonalcoholic fatty liver disease with bone mineral density and serum osteocalcin levels in Korean men. Eur J Gastroenterol Hepatol 2016; 28:338-44. [PMID: 26636404 PMCID: PMC4739310 DOI: 10.1097/meg.0000000000000535] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
OBJECTIVE Bone mineral density has been reported to negatively associate with nonalcoholic fatty liver disease. Osteocalcin, a bone formation marker and metabolic regulator, has been previously evaluated as the mediator between bone mineral density and nonalcoholic fatty liver disease. Herein, we aimed to investigate the correlations of nonalcoholic fatty liver disease with bone mineral density and serum osteocalcin levels in Korean men. METHODS A total of 859 men (249 and 610 men with and without nonalcoholic fatty liver disease, respectively) were recruited for this retrospective cross-sectional study. All participants underwent hepatic ultrasonography and dual energy X-ray absorptiometry. Anthropometric and biochemical data, including the serum osteocalcin levels and homeostasis model assessment of insulin resistance (HOMA-IR), were collected. RESULTS Nonalcoholic fatty liver disease negatively associated with right-hip bone mineral density (odds ratio, 0.797; 95% confidence interval, 0.645-0.984; P=0.035) and serum osteocalcin (odds ratio, 0.948; 95% confidence interval, 0.910-0.988; P=0.011) after adjusting for BMI and HOMA-IR. The mean right-hip bone mineral density was lower in men with versus without nonalcoholic fatty liver disease after adjusting for serum osteocalcin, BMI and HOMA-IR (0.11±0.06 vs. 0.29±0.04; P=0.019). CONCLUSION Nonalcoholic fatty liver disease negatively associated with right-hip bone mineral density and serum osteocalcin in Korean men. General population-based prospective studies evaluating the causal relationship between bone metabolism and nonalcoholic fatty liver disease are needed, and the mechanism linking nonalcoholic fatty liver disease to bone mineral density beyond insulin resistance and osteocalcin should be evaluated in the future.
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Potikanond S, Rattanachote P, Pintana H, Suntornsaratoon P, Charoenphandhu N, Chattipakorn N, Chattipakorn S. Obesity does not aggravate osteoporosis or osteoblastic insulin resistance in orchiectomized rats. J Endocrinol 2016; 228:85-95. [PMID: 26675491 DOI: 10.1530/joe-15-0333] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/13/2015] [Indexed: 01/03/2023]
Abstract
The present study aimed to test the hypothesis that testosterone deprivation impairs osteoblastic insulin signaling, decreases osteoblast survival, reduces bone density, and that obesity aggravates those deleterious effects in testosterone-deprived rats. Twenty four male Wistar rats underwent either a bilateral orchiectomy (O, n=12) or a sham operation (S, n=12). Then the rats in each group were further divided into two subgroups fed with either a normal diet (ND) or a high-fat diet (HF) for 12 weeks. At the end of the protocol, blood samples were collected to determine metabolic parameters and osteocalcin ratios. The tibiae were collected to determine bone mass using microcomputed tomography and for osteoblast isolation. The results showed that rats fed with HF (sham-operated HF-fed rats (HFS) and ORX HF-fed rats (HFO)) developed peripheral insulin resistance and had decreased trabecular bone density. In ND-fed rats, only the ORX ND-fed rats (NDO) group had decreased trabecular bone density. In addition, osteoblastic insulin resistance, as indicated by a decrease in tyrosine phosphorylation of the insulin receptor and Akt, were observed in all groups except the sham-operated ND-fed rats (NDS) rats. Those groups, again with the exception of the NDS rats, also had decreased osteoblastic survival. No differences in the levels of osteoblastic insulin resistance and osteoblastic survival were found among the NDO, HFS, and HFO groups. These findings suggest that either testosterone deprivation or obesity alone can impair osteoblastic insulin signaling and decrease osteoblastic survival leading to the development of osteoporosis. However, obesity does not aggravate those deleterious effects in the bone of testosterone-deprived rats.
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Affiliation(s)
- Saranyapin Potikanond
- Department of PharmacologyFaculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Pinyada Rattanachote
- Neurophysiology Unit, Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Hiranya Pintana
- Center of Calcium and Bone Research (COCAB)Faculty of Science, Mahidol University, Bangkok, Thailand
| | | | - Narattaphol Charoenphandhu
- Cardiac Electrophysiology Unit Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Nipon Chattipakorn
- Center of Excellence in Cardiac Electrophysiology ResearchChiang Mai University, Chiang Mai, Thailand
| | - Siriporn Chattipakorn
- Department of Oral Biology and Diagnostic SciencesFaculty of Dentistry, Chiang Mai University, Chiang Mai, Thailand
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Faot F, Chatterjee M, de Camargos GV, Duyck J, Vandamme K. Micro-CT analysis of the rodent jaw bone micro-architecture: A systematic review. Bone Rep 2015; 2:14-24. [PMID: 28525530 PMCID: PMC5365162 DOI: 10.1016/j.bonr.2014.10.005] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2014] [Accepted: 10/30/2014] [Indexed: 12/30/2022] Open
Abstract
Introduction Knowledge about macro- and micro-structural characteristics may improve in vivo estimation of the quality and quantity of regenerated bone tissue. For this reason, micro-CT imaging has been applied to evaluate alveolar bone remodelling, alterations of periodontal ligament thickness and cortical and trabecular bone changes in rodent jaw bones. In this paper, we provide a systematic review on the available micro-CT literature on jaw bone micro-architecture. Methodology A detailed search through the PubMed database was performed. Articles published up to December 2013 and related to maxilla, mandible and condyle with quantitatively analysed bone micro-architectural parameters were considered eligible for inclusion. Two reviewers assessed the search results according to inclusion criteria designed to identify animal studies quantifying the bone micro-architecture of the jaw rodent bones in physiological or drug-induced disease status, or in response to interventions such as mechanical loading, hormonal treatment and other metabolic alterations. Finally, the reporting quality of the included publications was evaluated using the tailored ARRIVE guidelines outlined by Vignoletti and Abrahamsson (2012). Results Database search, additional manual searching and assessment of the inclusion and exclusion criteria retrieved 127 potentially relevant articles. Eventually, 14 maxilla, 20 mandible and 12 condyle articles with focus on bone healing were retained, and were analysed together with 3 methodological papers. Each study was described systematically in terms of subject, experimental intervention, follow-up period, selected region of interest used in the micro-CT analysis, parameters quantified, micro-CT scanner device and software. The evidence level evaluated by the ARRIVE guidelines showed high mean scores (between 18 and 25; range: 0–25), indicating that most of the selected studies are well-reported. The major obstacles identified were related to sample size calculation, absence of adverse event descriptions, randomization or blinding procedures. Conclusions The evaluated studies are highly heterogeneous in terms of research topic and the different regions of interest. These results illustrate the need for a standardized methodology in micro-CT analysis. While the analysed studies do well according to the ARRIVE guidelines, the micro-CT procedure is often insufficiently described. Therefore we recommend to extend the ARRIVE guidelines for micro-CT studies. This review investigates discrepancies between reports using micro-CT imaging of rodent jaw bone, the applied methodology and reported results. Knowledge about the bone micro-architecture of the rodent jaw is scarce. Jaw bone micro-architecture varies according to ROI selections and the methodology applied to define a specific region are insufficient.
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Affiliation(s)
- F Faot
- KU Leuven, University Hospitals Leuven, Department of Oral Health Sciences & Dental Clinic, BIOMAT KU Leuven & Prosthetics, Belgium.,Federal University of Pelotas, School of Dentistry, Department of Restorative Dentistry, Rio Grande do Sul, Brazil
| | - M Chatterjee
- KU Leuven, University Hospitals Leuven, Department of Oral Health Sciences & Dental Clinic, BIOMAT KU Leuven & Prosthetics, Belgium
| | - G V de Camargos
- KU Leuven, University Hospitals Leuven, Department of Oral Health Sciences & Dental Clinic, BIOMAT KU Leuven & Prosthetics, Belgium.,Piracicaba Dental School, University of Campinas, Department of Prosthodontics and Periodontology, São Paulo, Brazil
| | - Joke Duyck
- KU Leuven, University Hospitals Leuven, Department of Oral Health Sciences & Dental Clinic, BIOMAT KU Leuven & Prosthetics, Belgium
| | - K Vandamme
- KU Leuven, University Hospitals Leuven, Department of Oral Health Sciences & Dental Clinic, BIOMAT KU Leuven & Prosthetics, Belgium
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Srikanthan P, Crandall CJ, Miller-Martinez D, Seeman TE, Greendale GA, Binkley N, Karlamangla AS. Insulin resistance and bone strength: findings from the study of midlife in the United States. J Bone Miner Res 2014; 29:796-803. [PMID: 23983216 PMCID: PMC3935990 DOI: 10.1002/jbmr.2083] [Citation(s) in RCA: 81] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2013] [Revised: 07/30/2013] [Accepted: 08/13/2013] [Indexed: 12/11/2022]
Abstract
Although several studies have noted increased fracture risk in individuals with type 2 diabetes mellitus (T2DM), the pathophysiologic mechanisms underlying this association are not known. We hypothesize that insulin resistance (the key pathology in T2DM) negatively influences bone remodeling and leads to reduced bone strength. Data for this study came from 717 participants in the Biomarker Project of the Midlife in the United States Study (MIDUS II). The homeostasis model assessment of insulin resistance (HOMA-IR) was calculated from fasting morning blood glucose and insulin levels. Projected 2D (areal) bone mineral density (BMD) was measured in the lumbar spine and left hip using dual-energy X-ray absorptiometry (DXA). Femoral neck axis length and width were measured from the hip DXA scans, and combined with BMD and body weight and height to create composite indices of femoral neck strength relative to load in three different failure modes: compression, bending, and impact. We used multiple linear regressions to examine the relationship between HOMA-IR and bone strength, adjusted for age, gender, race/ethnicity, menopausal transition stage (in women), and study site. Greater HOMA-IR was associated with lower values of all three composite indices of femoral neck strength relative to load, but was not associated with BMD in the femoral neck. Every doubling of HOMA-IR was associated with a 0.34 to 0.40 SD decrement in the strength indices (p<0.001). On their own, higher levels of fasting insulin (but not of glucose) were independently associated with lower bone strength. Our study confirms that greater insulin resistance is related to lower femoral neck strength relative to load. Further, we note that hyperinsulinemia, rather than hyperglycemia, underlies this relationship. Although cross-sectional associations do not prove causality, our findings do suggest that insulin resistance and in particular, hyperinsulinemia, may negatively affect bone strength relative to load.
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Affiliation(s)
- Preethi Srikanthan
- Department of Medicine David Geffen School of Medicine at UCLA Los Angeles, California, USA
| | - Carolyn J. Crandall
- Department of Medicine David Geffen School of Medicine at UCLA Los Angeles, California, USA
| | - Dana Miller-Martinez
- Department of Medicine David Geffen School of Medicine at UCLA Los Angeles, California, USA
| | - Teresa E. Seeman
- Department of Medicine David Geffen School of Medicine at UCLA Los Angeles, California, USA
| | - Gail A. Greendale
- Department of Medicine David Geffen School of Medicine at UCLA Los Angeles, California, USA
| | - Neil Binkley
- Osteoporosis Clinical Center Univ of Wisconsin-Madison, Madison, WI
| | - Arun S. Karlamangla
- Department of Medicine David Geffen School of Medicine at UCLA Los Angeles, California, USA
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O’Rourke RW. An emerging role for bone in interorgan communication and the pathogenesis of metabolic disease. Surg Obes Relat Dis 2014; 10:303-6. [DOI: 10.1016/j.soard.2013.08.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2013] [Accepted: 08/20/2013] [Indexed: 10/26/2022]
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Shin D, Kim S, Kim KH, Lee K, Park SM. Association between insulin resistance and bone mass in men. J Clin Endocrinol Metab 2014; 99:988-95. [PMID: 24423302 DOI: 10.1210/jc.2013-3338] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
CONTEXT The association between insulin resistance and bone mass is still not clear. OBJECTIVE The purpose of this study was to evaluate the association between insulin resistance and bone mass. DESIGN AND SETTING This was a cross-sectional survey of the nationally representative population. PARTICIPANTS A total of 3113 men (aged ≥20 years) from the fourth Korean National Health and Nutrition Examination Survey of 2008-2009 were included. MAIN OUTCOME MEASURES Bone mineral density (BMD) was measured using dual-energy x-ray absorptiometry. Osteopenia and osteoporosis were defined using the World Health Organization T score criteria. Fasting plasma insulin and glucose levels were measured, and insulin resistance was evaluated using the homeostasis model assessment-estimated insulin resistance (HOMA-IR) index. RESULTS Age-, height-, and weight-adjusted mean BMD values significantly decreased as quartiles of HOMA-IR and the fasting plasma insulin level increased (P for trends <.001). In multivariable logistic regression analyses, participants who had a higher HOMA-IR or fasting plasma insulin level had a higher odds ratio for osteoporosis/osteopenia. Interestingly, the association between fasting plasma insulin level and whole-body BMD differed by the degree of insulin resistance. In the lowest quartile of HOMA-IR, the fasting insulin level was positively associated with BMD. As insulin resistance increased, however, the fasting insulin level was inversely associated with BMD, and this relationship became more significant as the degree of insulin resistance increased. CONCLUSIONS In a nationally representative sample of Korean men, insulin resistance and the fasting plasma insulin level were inversely associated with bone mass. Further studies are required to confirm this association and reveal the underlying mechanisms.
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Affiliation(s)
- Doosup Shin
- Jangseong Public Health Center (D.S.), Jangseong, 515-800 South Korea; Department of Family Medicine (S.K.), Korea Cancer Center Hospital, Seoul 139-240, South Korea; Department of Family Medicine (K.H.K., S.M.P.) and Department of Biomedical Sciences (S.M.P.), Seoul National University Hospital, Seoul National University College of Medicine, Seoul 110-744, South Korea; and Department of Family Medicine (K.L.), Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam-si, Gyeonggi-do 463-707, South Korea
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Abstract
Insulin and its downstream signaling pathway are indispensable for postnatal bone growth and turnover by having influence on both osteoblast and osteoclast development. Insulin signaling regulates both bone formation by osteoblasts and bone resorption by osteoclasts; however, the regulation occurs mainly through the insulin signaling pathway within osteoblasts. An impairment of osteoblastic insulin signaling leads to an impaired bone quality by affecting osteoblast proliferation, differentiation and survival. The insulin signaling pathway and MAPK and PI3K/Akt pathways play pivotal roles in the differentiation, function and survival of bone cells. Current evidence suggests that osteoblastic insulin signaling not only modulates bone growth and turnover but is also required for energy metabolism. Several mice models with impaired insulin signaling exhibited both bone and metabolic phenotypes, including symptoms of low bone mass, obesity, glucose intolerance and insulin resistance. In this review, we discuss the key findings that suggest a pivotal role of osteoblastic insulin signaling in both bone and energy metabolism.
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Cui R, Sheng H, Rui XF, Cheng XY, Sheng CJ, Wang JY, Qu S. Low bone mineral density in chinese adults with nonalcoholic Fatty liver disease. Int J Endocrinol 2013; 2013:396545. [PMID: 23983685 PMCID: PMC3747470 DOI: 10.1155/2013/396545] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2013] [Revised: 07/03/2013] [Accepted: 07/08/2013] [Indexed: 12/13/2022] Open
Abstract
Aim. To investigate bone metabolic characteristics in Chinese adults with nonalcoholic fatty liver disease (NAFLD). Methods. A total of 224 patients (99 males and 125 postmenopausal females) were recruited and divided into 4 groups: males without NAFLD, males with NAFLD, females without NAFLD, and females with NAFLD. Bone mineral density (BMD) was evaluated according to body mass index (BMI), waist circumference (WC), and serum biomarkers. β cell function was evaluated by HOMA2%B, HOMA2%S, and HOMA2IR. Results. Males in the NAFLD group had lower BMD of the right hip and the femoral neck (0.852 ± 0.117 versus 0.930 ± 0.123, P = 0.002; 0.736 ± 0.119 versus 0.812 ± 0.132, P = 0.004), and females had lower BMD of the right hip (0.725 ± 0.141 versus 0.805 ± 0.145, P = 0.002) even after adjusted for weight, BMI, waist, HDL, and ALT. There was no significant difference in bone metabolic markers between patients with and without NAFLD. NAFLD was an important factor that affected the bone; moreover, the effect attenuated when HOMA2IR entered into the model (R (2) = 0.160, β = -0.172, and P = 0.008). Conclusions. NAFLD exerts a detrimental effect on BMD in both males and females. Insulin resistance may play an important role in this pathophysiological process.
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Affiliation(s)
- Ran Cui
- Department of Endocrinology & Metabolism, Shanghai Tenth People's Hospital, Tongji University School of Medicine, 301 Middle Yanchang Road, Shanghai 200072, China
| | - Hui Sheng
- Department of Endocrinology & Metabolism, Shanghai Tenth People's Hospital, Tongji University School of Medicine, 301 Middle Yanchang Road, Shanghai 200072, China
- *Hui Sheng: and
| | - Xue-Fei Rui
- Department of Endocrinology & Metabolism, Shanghai Tenth People's Hospital, Tongji University School of Medicine, 301 Middle Yanchang Road, Shanghai 200072, China
| | - Xiao-Yun Cheng
- Department of Endocrinology & Metabolism, Shanghai Tenth People's Hospital, Tongji University School of Medicine, 301 Middle Yanchang Road, Shanghai 200072, China
| | - Chun-Jun Sheng
- Department of Endocrinology & Metabolism, Shanghai Tenth People's Hospital, Tongji University School of Medicine, 301 Middle Yanchang Road, Shanghai 200072, China
| | - Ji-Ying Wang
- Department of Endocrinology & Metabolism, Shanghai Tenth People's Hospital, Tongji University School of Medicine, 301 Middle Yanchang Road, Shanghai 200072, China
| | - Shen Qu
- Department of Endocrinology & Metabolism, Shanghai Tenth People's Hospital, Tongji University School of Medicine, 301 Middle Yanchang Road, Shanghai 200072, China
- *Shen Qu:
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