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Journal of Bone and Mineral Metabolism

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https://www.readbyqxmd.com/read/27928661/nonalcoholic-fatty-liver-disease-and-osteoporosis-a-systematic-review-and-meta-analysis
#1
Sikarin Upala, Veeravich Jaruvongvanich, Karn Wijarnpreecha, Anawin Sanguankeo
Several major risk factors for osteoporosis have been identified. One of these risk factors is chronic inflammation. Several recent studies have supported the association between low bone mineral density (BMD) and nonalcoholic fatty liver disease (NAFLD), which comprises a spectrum of disorders involving liver inflammation. However, conflicting evidence regarding this association has been obtained thus far. We, therefore, conducted a meta-analysis of observational studies to show the association between NAFLD and BMD...
December 7, 2016: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/27913900/bone-mineral-density-of-extremities-is-associated-with-coronary-calcification-and-biopsy-verified-vascular-calcification-in-living-donor-renal-transplant-recipients
#2
Zhimin Chen, Jia Sun, Mathias Haarhaus, Peter Barany, Lars Wennberg, Jonaz Ripsweden, Torkel B Brismar, Bengt Lindholm, Annika Wernerson, Magnus Söderberg, Peter Stenvinkel, Abdul Rashid Qureshi
Chronic kidney disease (CKD) mineral and bone disorders (CKD-MBD) may lead to low bone mineral density (BMD) and vascular calcification (VC), but links to the latter are unclear. Here we investigated associations between BMD, coronary artery calcium (CAC) scores, and histological signs of VC in end-stage renal disease (ESRD) patients undergoing living-donor kidney transplantation (LD-Rtx). In 66 ESRD patients (median age 45 years, 68% males), BMD (by dual-energy X-ray absorptiometry, DXA), CAC score (by computed tomography, CT; n = 54), and degree of VC score (graded by histological examination of epigastric artery specimens collected at LD-Rtx; n = 55) were assessed at the time of LD-Rtx...
December 2, 2016: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/27882481/assessment-criteria-for-vitamin-d-deficiency-insufficiency-in-japan-proposal-by-an-expert-panel-supported-by-the-research-program-of-intractable-diseases-ministry-of-health-labour-and-welfare-japan-the-japanese-society-for-bone-and-mineral-research-and-the
#3
Ryo Okazaki, Keiichi Ozono, Seiji Fukumoto, Daisuke Inoue, Mika Yamauchi, Masanori Minagawa, Toshimi Michigami, Yasuhiro Takeuchi, Toshio Matsumoto, Toshitsugu Sugimoto
Vitamin D is indispensable for the maintenance of bone and mineral health. Inadequate vitamin D action increases the risk for various musculoskeletal/mineral events including fracture, fall, secondary hyperparathyroidism, diminished response to antiresorptives, rickets/osteomalacia, and hypocalcemia. Its most common cause in recent years is vitamin D deficiency/insufficiency, clinically defined by a low serum 25-hydroxyvitamin D [25(OH)D] level. Guidelines for vitamin D insufficiency/deficiency defined by serum 25(OH)D concentrations have been published all over the world...
November 23, 2016: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/27873077/impaired-osteogenic-differentiation-and-enhanced-cellular-receptor-of-advanced-glycation-end-products-sensitivity-in-patients-with-type-2-diabetes
#4
Mattabhorn Phimphilai, Peraphan Pothacharoen, Prachya Kongtawelert, Nipon Chattipakorn
Preclinical studies have demonstrated impaired osteoblast differentiation in type 2 diabetes (T2DM), which is related to skeletal accumulation of advanced glycation end products (AGEs). However, the role of AGE in osteoblast differentiation in patients with T2DM is unclear. This cross-sectional study was performed to investigate osteoblast differentiation and its association with serum pentosidine and soluble receptor of AGEs (sRAGE). Twenty-seven patients with T2DM and 15 age-matched controls were included to measure sRAGE and osteogenic differentiation in mononuclear cells derived from peripheral blood...
November 21, 2016: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/27873076/the-association-of-testosterone-sex-hormone-binding-globulin-and-insulin-like-growth-factor-1-with-bone-parameters-in-korean-men-aged-50%C3%A2-years-or-older
#5
Hye-Jung Kim, Hyung Suk Koo, Young-Sang Kim, Moon Jong Kim, Kwang-Min Kim, Nam-Seok Joo, Ji-Hee Haam
Testosterone and insulin-like growth factor-1 (IGF-1) are essential factors for the maintenance of bone health in men. However, the results for the association of testosterone and IGF-1 with bone parameters were not consistent in prior studies. We evaluated the relationship of testosterone, sex hormone-binding globulin (SHBG), and IGF-1 with bone mineral density (BMD) and bone turnover markers (BTMs) in Korean men. We enrolled 1227 men aged ≥50 years in this cross-sectional study. Serum levels of total testosterone (TT), SHBG, IGF-1, osteocalcin, and C-terminal cross-linking telopeptide of type I collagen (CTX) were measured...
November 21, 2016: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/27873075/increased-risk-of-hip-fractures-in-korean-patients-with-type-2-diabetes-a-6-year-nationwide-population-based-study
#6
Se Hwa Kim, Yoo Mee Kim, Jeong Seon Yoo, Eun Yeong Choe, Tae Ho Kim, Young Jun Won
We compared the incidence and risk of hip fractures in Korean patients with type 2 diabetes and non-diabetic subjects in a nationwide population-based study. The study included 17,110 patients diagnosed with type 2 diabetes in 2004 and 34,220 randomly selected age- and sex-matched control subjects drawn from the Korean National Health Insurance Research database. Fracture events occurring between 2004 and 2010 were identified from medical claims data. The adjusted hazard ratios (HRs) and 95% confidence intervals (CIs) for fractures associated with diabetes were calculated...
November 21, 2016: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/27873074/a-cross-sectional-study-of-the-association-between-adipokine-levels-and-bone-mineral-density-according-to-obesity-and-menopausal-status-in-korean-women
#7
Ji-Hee Haam, Young-Sang Kim, Moon Jong Kim, Hyung Suk Koo, Hyung Yuk Kim, Hye-Jung Kim, Ki Hyun Park, Nam-Seok Joo, Kyung-Chae Park
Results regarding the association between adipokine levels and bone mineral density (BMD) have been inconsistent; the effects of sex, menopause, and central obesity remain unknown. We evaluated the association between serum leptin, adiponectin, and high-molecular-weight (HMW) adiponectin levels and BMD according to menopause and central obesity status in Korean women. This cross-sectional study comprised 255 women undergoing examinations at the CHA Bundang Medical Center. Participants were divided according to menopause, and central obesity status...
November 21, 2016: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/27873073/mir-5100-promotes-osteogenic-differentiation-by-targeting-tob2
#8
Huaxin Wang, Yazhou Cui, Jing Luan, Xiaoyan Zhou, Chengzhi Li, Haiying Li, Liang Shi, Jinxiang Han
MicroRNAs have emerged as pivotal regulators in various physiological and pathological processes, including osteogenesis. Here we discuss the contribution of miR-5100 to osteoblast differentiation and mineralization. We found that miR-5100 was upregulated during osteoblast differentiation in ST2 and MC3T3-E1 cells. Next, we verified that miR-5100 can promote osteogenic differentiation with gain-of-function and loss-of-function experiments. Target prediction analysis and experimental validation demonstrated that Tob2, which acts as a negative regulator of osteogenesis, was negatively regulated by miR-5100...
November 21, 2016: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/27873072/cinacalcet-hydrochloride-relieves-hypercalcemia-in-japanese-patients-with-parathyroid-cancer-and-intractable-primary-hyperparathyroidism
#9
Yasuhiro Takeuchi, Shunsuke Takahashi, Daishu Miura, Makoto Katagiri, Noriaki Nakashima, Hiroko Ohishi, Ryutaro Shimazaki, Yoshihiro Tominaga
Pharmacological treatment of hypercalcemia is essential for patients with parathyroid carcinoma and intractable primary hyperparathyroidism (PHPT). Use of the calcimimetic cinacalcet hydrochloride (cinacalcet) is an option to treat such patients. We investigated the efficacy and safety of cinacalcet in Japanese patients with parathyroid carcinoma and intractable PHPT. Five Japanese patients with parathyroid carcinoma and two with intractable PHPT were enrolled in an open-label, single-arm study consisting of titration and maintenance phases...
November 21, 2016: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/27853940/novel-role-of-ccn3-that-maintains-the-differentiated-phenotype-of-articular-cartilage
#10
Danilo Janune, Tarek Abd El Kader, Eriko Aoyama, Takashi Nishida, Yasuhiko Tabata, Satoshi Kubota, Masaharu Takigawa
Knowledge of the microenvironment of articular cartilage in health and disease is the key to accomplishing fundamental disease-modifying treatments for osteoarthritis. The proteins comprising the CCN Family are matricellular proteins with a remarkable relevance within the context of cartilage metabolism. CCN2 displays a great capability for regenerating articular cartilage, and CCN3 has been shown to activate the expression of genes related to articular chondrocytes and to repress genes related to endochondral ossification in epiphyseal chondrocytes...
November 16, 2016: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/27848009/the-effects-of-p-gp-and-cyp450-modulated-by-rifampicin-on-the-steroid-induced-osteonecrosis-of-the-femoral-head
#11
Teng Fei, Yunchao Shao, Zuoqin Yan, Liang Zhu, Shuo Li, Jianfeng Pan, Changan Guo
This study investigated the effects of rifampicin-modulated P-glycoprotein (P-gp) and cytochrome P450 (CYP450) activity on the development of steroid-induced osteonecrosis of the femoral head. Thirty-two rabbits were equally divided into four groups: control group, oral administration group, intramuscular injection group, and local release group, in which rifampicin-loaded artificial bone graft was implanted in the left femur cavity and blank bone graft was implanted in the right femur cavity. Dexamethasone was given 1 week after rifampicin administration...
November 15, 2016: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/27838794/physical-activity-may-be-a-potent-regulator-of-bone-turnover-biomarkers-in-healthy-girls-during-preadolescence
#12
Antonis Kambas, Diamanda Leontsini, Alexandra Avloniti, Athanasios Chatzinikolaou, Theodoros Stampoulis, Konstantinos Makris, Dimitrios Draganidis, Athanasios Z Jamurtas, Symeon Tournis, Ioannis G Fatouros
This study investigated the effects of different levels of habitual physical activity (PA) assessed by pedometry on bone turnover markers of preadolescent girls according to a cross-sectional experimental design. Sixty prepubertal girls of similar chronological age, bone age, maturity level, and nutritional status were assigned to a low PA (LPA; n = 25), a moderate PA (MPA; n = 17), or a high PA (HPA; n = 18) group. Dual-energy X-ray absorptiometry was used to measure areal bone mineral density (BMD) and bone mineral content (BMC) of the lumbar spine (L2-L4) and dominant hip (femoral neck and trochanter)...
November 12, 2016: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/27837272/body-composition-analysis-by-dxa-dual-x-ray-absorptiometry-in-brazilian-men-normative-data
#13
Marcela Ushida, Marcelo de Medeiros Pinheiro, Charlles Heldan de Moura Castro, Vera Lucia Szejnfeld
Considering ethnic and anthropometric differences, it is important to obtain specific normative data on body composition (BC) for each population. The objectives of this study were to obtain the normative curve for the BC of Brazilian men and to compare them to the North American male population. A total of 403 healthy Brazilian men 20 years and older were included in the study. Data on concomitant diseases and physical activity were investigated using a structured questionnaire. Conditions that could affect lean and fat mass were excluded...
November 11, 2016: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/27830386/effectiveness-of-elcatonin-for-alleviating-pain-and-inhibiting-bone-resorption-in-patients-with-osteoporotic-vertebral-fractures
#14
Shinya Tanaka, Akira Yoshida, Shinjiro Kono, Tadanori Oguma, Kyoichi Hasegawa, Manabu Ito
Elderly patients with osteoporotic vertebral fractures often experience severe pain that reduces their quality of life (QOL). Calcitonin, a bone resorption inhibitor, has been reported to alleviate pain in such patients; however, few clinical studies have demonstrated this effect. The objective of this study was to compare changes in pain scores, activities of daily living (ADL), QOL, bone resorption, bone mineral density (BMD), and fracture healing among patients with new vertebral fractures who received different treatment modalities...
November 9, 2016: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/27830385/atypical-femoral-fractures-in-italy-a-retrospective-analysis-in-a-large-urban-emergency-department-during-a-7-year-period-2007-2013
#15
Mario Pedrazzoni, Andrea Giusti, Giuseppe Girasole, Barbara Abbate, Ignazio Verzicco, Gianfranco Cervellin
The aim of this study was to determine the incidence of atypical femoral fractures (AFFs) seen in a large emergency department in Italy. It was a retrospective study of all men and women aged 40 years or older admitted to the Emergency Department of Parma University Hospital for a femoral fracture. Cases were identified in the hospital database with use of International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) code 820 or 821 or text strings. All the radiographic images of fractures not clearly identified as proximal or condylar were retrieved and evaluated by three independent reviewers...
November 9, 2016: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/27830384/comparison-of-the-effects-of-denosumab-between-a-native-vitamin-d-combination-and-an-active-vitamin-d-combination-in-patients-with-postmenopausal-osteoporosis
#16
Kosuke Ebina, Masafumi Kashii, Makoto Hirao, Jun Hashimoto, Takaaki Noguchi, Kota Koizumi, Kazuma Kitaguchi, Hozo Matsuoka, Toru Iwahashi, Yasunori Tsukamoto, Hideki Yoshikawa
The aim of this 12-month, retrospective study was to compare the effects of denosumab (DMAb; 60 mg subcutaneously every 6 months) plus native vitamin D (VD) (cholecalciferol) combination therapy with DMAb plus active VD analog (alfacalcidol) combination therapy in patients with postmenopausal osteoporosis. Patients [N = 127; mean age 75.6 years (range 58-93 years); 28 treatment-naïve patients, 59 patients treated with oral bisphosphonate therapy, 40 patients treated with teriparatide daily] were allocated to either (1) the DMAb plus native VD group (n = 60; cholecalciferol, 10 μg, plus calcium, 610 mg/day; 13 treatment-naïve patients, 28 patients treated with oral bisphosphonate therapy, and 19 patients treated with teriparatide daily) or (2) the DMAb plus active VD group [n = 67; alfacalcidol, 0...
November 9, 2016: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/27830383/cortical-bone-analysis-in-a-predialysis-population-a-comparison-with-a-dialysis-population
#17
Catarina Carvalho, J Magalhães, R Neto, L Pereira, P Branco, T Adragão, J M Frazão
This study was designed to characterize cortical bone by histomorphometry in a predialysis population, to correlate turnover, mineralization, and volume between cortical and trabecular bone, and to compare the findings with those in patients treated with maintenance dialysis. We evaluated cortical bone by histomorphometry in 16 patients with stage 3 or stage 4 chronic kidney disease and in 16 dialysis patients. Dual-energy X-ray absorptiometry (DXA) of the distal end of the forearm was performed in seven predialysis patients, and the findings correlated with histologic parameters...
November 9, 2016: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/27766421/local-delivery-of-recombinant-human-fgf7-enhances-bone-formation-in-rat-mandible-defects
#18
Sher Bahadur Poudel, Govinda Bhattarai, Jae-Hwan Kim, Sung-Ho Kook, Young-Kwon Seo, Young-Mi Jeon, Jeong-Chae Lee
Fibroblast growth factor 7 (FGF7) plays an important role in regulating the proliferation, migration, and differentiation of cells. However, the role of FGF7 in bone formation is not yet fully understood. We examined the effect of FGF7 on bone formation using a rat model of mandible defects. Rats underwent mandible defect surgery and then either scaffold treatment alone (control group) or FGF7-impregnated scaffold treatment (FGF7 group). Micro-CT and histological analyses revealed that the FGF7 group exhibited greater bone formation than did the control group 10 weeks after surgery...
October 20, 2016: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/27766420/journal-of-bone-and-mineral-metabolism-best-paper-award-2016
#19
(no author information available yet)
No abstract text is available yet for this article.
October 20, 2016: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/27722902/vitamin-k-homologs-as-potential-biomarkers-for-disease-activity-in-patients-with-rheumatoid-arthritis
#20
Hani M Khojah, Sameh Ahmed, Mahran S Abdel-Rahman, Khaled M Alkhalil, Al-Badr Hamza
The aim of this study was to evaluate the possible role of vitamin K homologs as potential biomarkers for disease activity in patients with rheumatoid arthritis (RA). In this study, 42 patients with RA and 40 healthy controls were enrolled. Serum levels of vitamin K homologs were measured using a high-performance liquid chromatography-fluorescence method. Different biochemical and clinical markers for disease activity were measured and correlated with serum levels of vitamin K homologs. There were no significant differences between RA patients and healthy subjects in demographic data...
October 8, 2016: Journal of Bone and Mineral Metabolism
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