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Journal of Bone and Mineral Metabolism

Rim Cherif, Laurence Vico, Norbert Laroche, Mohsen Sakly, Nebil Attia, Cedric Lavet
Dual-energy X-ray absorptiometry (DXA) is currently the most widely used technique for measuring areal bone mineral density (BMD). However, several studies have shown inaccuracy, with either overestimation or underestimation of DXA BMD measurements in the case of overweight or obese individuals. We have designed an overweight rat model based on junk food to compare the effect of obesity on in vivo and ex vivo BMD and bone mineral content measurements. Thirty-eight 6-month old male rats were given a chow diet (n = 13) or a high fat and sucrose diet (n = 25), with the calorie amount being kept the same in the two groups, for 19 weeks...
February 1, 2017: Journal of Bone and Mineral Metabolism
Ji Hyun Lee, A Ram Hong, Jung Hee Kim, Kyoung Min Kim, Bo Kyung Koo, Chan Soo Shin, Sang Wan Kim
Smoking induces bone loss; however, data on the relationship between smoking history and bone mineral density (BMD) are lacking. Age and pulmonary function can affect BMD. We investigated the relationships among pack-years (PYs) of smoking, pulmonary function, and BMD in middle-aged Korean men (50-64 years old). This cross-sectional study used data from the Korean National Health and Nutrition Examination Survey, 2008-2011. All participants underwent BMD measurements using dual energy X-ray absorptiometry and pulmonary function tests using standardized spirometry...
January 31, 2017: Journal of Bone and Mineral Metabolism
Se Hwa Kim, Yoo Mee Kim, Jeong Seon Yoo, Eun Yeong Choe, Tae Ho Kim, Young Jun Won
No abstract text is available yet for this article.
January 27, 2017: Journal of Bone and Mineral Metabolism
Toshiyuki Yoneda, Hiroshi Hagino, Toshitsugu Sugimoto, Hiroaki Ohta, Shunji Takahashi, Satoshi Soen, Akira Taguchi, Toshihiko Nagata, Masahiro Urade, Takahiko Shibahara, Satoru Toyosawa
No abstract text is available yet for this article.
January 24, 2017: Journal of Bone and Mineral Metabolism
José M Olmos, José L Hernández, Josefina Martínez, Emilio Pariente, Jesús Castillo, Daniel Prieto-Alhambra, Jesús González-Macías
The aim of this study was to assess the prevalence of densitometric osteoporosis and vertebral fractures in Spanish men aged ≥50 years, and to study how the relationship between them may change depending on how osteoporosis is diagnosed. A community-based population of 1003 men aged ≥50 years was studied. Bone mineral density (BMD) was measured by DXA at the lumbar spine, femoral neck and total hip. Vertebral fractures were assessed by lateral thoracic and lumbar spine radiographs. The prevalence of osteoporosis was estimated with both the World Health Organization (WHO) (T-score of <-2...
January 19, 2017: Journal of Bone and Mineral Metabolism
Sakae Tanaka, Takanori Yamamoto, Eisei Oda, Masaki Nakamura, Saeko Fujiwara
We conducted a retrospective cohort study using a de-identified hospital administrative claims database to assess the risk of non-vertebral fracture in Japanese women with osteoporosis treated with raloxifene compared with alendronate. The study included Japanese women ≥50 years of age with newly initiated alendronate or raloxifene treatment between July 2008 and March 2013 (index date was defined as the day of first prescription for alendronate or raloxifene), and had any claim with an osteoporosis definition during the study period...
December 27, 2016: Journal of Bone and Mineral Metabolism
María Correa-Rodríguez, Jacqueline Schmidt-RioValle, Blanca Rueda-Medina
The aim of the present study was to investigate the possible influence of low-density lipoprotein receptor-related protein 5 (LRP5) and sclerostin (SOST) genes as genetic factors contributing to calcaneal quantitative ultrasound (QUS) and body composition variables in a population of young Caucasian adults. The study population comprised a total of 575 individuals (mean age 20.41years; SD 2.36) whose bone mass was assessed through QUS to determine broadband ultrasound attenuation (BUA, dB/MHz). Body composition measurements were performed using a body composition analyser...
December 27, 2016: Journal of Bone and Mineral Metabolism
Shan Lu, Lan-Juan Zhao, Xiang-Ding Chen, Christopher J Papasian, Ke-Hao Wu, Li-Jun Tan, Zhuo-Er Wang, Yu-Fang Pei, Qing Tian, Hong-Wen Deng
Several studies indicated bone mineral density (BMD) and alcohol intake might share common genetic factors. The study aimed to explore potential SNPs/genes related to both phenotypes in US Caucasians at the genome-wide level. A bivariate genome-wide association study (GWAS) was performed in 2069 unrelated participants. Regular drinking was graded as 1, 2, 3, 4, 5, or 6, representing drinking alcohol never, less than once, once or twice, three to six times, seven to ten times, or more than ten times per week respectively...
December 23, 2016: Journal of Bone and Mineral Metabolism
Masataka Shiraki, Satoshi Tanaka, Hiroaki Suzuki, Satoko Ueda, Toshitaka Nakamura
Although once-yearly intravenous administration of zoledronic acid has been reported to inhibit bone resorption and increase bone mineral density, no studies have evaluated its effectiveness in treating osteoporosis in Japanese patients. Therefore, the purpose of this study was to investigate the pharmacokinetics and assess the safety of and changes in bone metabolism associated with zoledronic acid treatment in Japanese patients with primary osteoporosis. This was a single-administration study with a single-blind parallel-group design...
December 20, 2016: Journal of Bone and Mineral Metabolism
Luke Arentsen, Karen E Hansen, Masashi Yagi, Yutaka Takahashi, Ryan Shanley, Angela McArthur, Patrick Bolan, Taiki Magome, Douglas Yee, Jerry Froelich, Susanta K Hui
Temporal and spatial variations in bone marrow adipose tissue (MAT) can be indicative of several pathologies and confound current methods of assessing immediate changes in bone mineral remodeling. We present a novel dual-energy computed tomography (DECT) method to monitor MAT and marrow-corrected volumetric BMD (mcvBMD) throughout the body. Twenty-three cancellous skeletal sites in 20 adult female cadavers aged 40-80 years old were measured using DECT (80 and 140 kVp). vBMD was simultaneous recorded using QCT...
December 9, 2016: Journal of Bone and Mineral Metabolism
Dominique Kosk, Holly Kramer, Amy Luke, Pauline Camacho, Pascal Bovet, Jacob Plange Rhule, Terrence Forrester, Myles Wolf, Chris Sempos, Michal L Melamed, Lara R Dugas, Richard Cooper, Ramon Durazo-Arvizu
Fibroblast growth factor-23 (FGF23), a phosphaturic hormone secreted mainly by osteocytes, maintains serum phosphate levels within a tight range by promoting phosphaturia. Previous studies have mainly focused on the link between FGF23 levels and dietary intake of phosphate, but other dietary factors may also influence FGF23 levels. This cross-sectional study pooled three populations of young adults with African ancestry (452 in Chicago, IL, USA; 477 in Victoria, Seychelles; and 482 in Kumasi, Ghana) with estimated glomerular filtration rate >80 ml/min/1...
December 9, 2016: Journal of Bone and Mineral Metabolism
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
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
Toshiyuki Yoneda, Hiroshi Hagino, Toshitsugu Sugimoto, Hiroaki Ohta, Shunji Takahashi, Satoshi Soen, Akira Taguchi, Toshihiko Nagata, Masahiro Urade, Takahiko Shibahara, Satoru Toyosawa
Antiresorptive agent-related osteonecrosis of the jaw (ARONJ) is an intractable, though rare, complication in cancer patients with bone metastases and patients with osteoporosis who are treated with antiresorptive agents, including bisphosphonates and denosumab. Despite the more than 10 years that have passed since the first cases of bisphosphonate-related osteonecrosis of the jaw (BRONJ) were reported, our understanding of the epidemiology and pathophysiology of ARONJ remains limited, and data supported by evidence-based medicine are still sparse...
January 2017: Journal of Bone and Mineral Metabolism
D B Hoffmann, S Sehmisch, A M Hofmann, C Eimer, M Komrakova, D Saul, M Wassmann, K M Stürmer, M Tezval
We investigated the combinatorial effects of whole-body vertical vibration (WBVV) with the primarily osteoanabolic parathyroid hormone (PTH) and the mainly antiresorptive strontium ranelate (SR) in a rat model of osteoporosis. Ovariectomies were performed on 76 three-month-old Sprague-Dawley rats (OVX, n = 76; NON-OVX, n = 12). After 8 weeks, the ovariectomized rats were divided into 6 groups. One group (OVX + PTH) received daily injections of PTH (40 µg/kg body weight/day) for 6 weeks. Another group (OVX + SR) was fed SR-supplemented chow (600 mg/kg body weight/day)...
January 2017: Journal of Bone and Mineral Metabolism
Emilio Pariente, José M Olmos, Rosa Landeras, Daniel Nan, Jesús González-Macías, José Luis Hernández
Spinal osteoarthritis has been suggested as a risk factor for vertebral fractures. However, results are conflicting: most of the data are focused on the lumbar region, and referred to postmenopausal women, whereas data for men are scarce. The aim of this study is to assess the relationship between spinal osteoarthritis and vertebral fractures in men over 50 years of age. We conducted a cross-sectional study, nested in a prospective population-based cohort, including 507 community-dwelling men, 93 of them with at least one vertebral fracture...
January 2017: Journal of Bone and Mineral Metabolism
Nobuo Takeshita, Masakazu Hasegawa, Kiyo Sasaki, Daisuke Seki, Masahiro Seiryu, Shunro Miyashita, Ikuko Takano, Toshihito Oyanagi, Yuki Miyajima, Teruko Takano-Yamamoto
Sutures are fibrous tissues that connect bones in craniofacial skeletal complexes. Cranio- and dentofacial skeletal deformities in infant and adolescent patients can be treated by applying tensile force to sutures to induce sutural bone formation. The early gene expression induced by mechanical stress is essential for bone formation in long bones; however, early gene expression during sutural bone formation induced by tensile force is poorly characterized. In vivo studies are essential to evaluate molecular responses to mechanical stresses in heterogeneous cell populations, such as sutures...
January 2017: Journal of Bone and Mineral Metabolism
Kosuke Ebina, Jun Hashimoto, Masafumi Kashii, Makoto Hirao, Shoichi Kaneshiro, Takaaki Noguchi, Yasunori Tsukamoto, Hideki Yoshikawa
The aim of this 12-month, observational study was to compare the effects of switching daily teriparatide (TPTD) to oral bisphosphonates (BP) therapy or denosumab (DMAb) therapy in patients with primary osteoporosis. Patients [n = 78; 71 postmenopausal women and seven men; mean age 76.3 (64-94) years; mean duration of prior daily TPTD therapy 20.1 (6-24) months] were allocated to either the (1) "switch-to-BP" group [n = 36; weekly alendronate 35 mg (n = 19), weekly risedronate 17.5 mg (n = 12), monthly minodronate 50 mg (n = 5)]; or (2) "switch-to-DMAb" group (n = 42; 60 mg sc every 6 months) based on each physicians' decision...
January 2017: Journal of Bone and Mineral Metabolism
Tomohiko Urano, Masataka Shiraki, Tatsuhiko Kuroda, Shiro Tanaka, Kazuhiro Uenishi, Satoshi Inoue
Decline of body weight and body mass index (BMI) with aging is a major risk factor for osteoporosis and fracture, suggesting that treatment for osteoporosis may affect body composition. However, the effects of treatment for osteoporosis on body composition are not well known. The present study aimed to identify the relationship between raloxifene treatment and body composition markers. We measured bone mineral density (BMD), body composition, and bone remodeling markers in 236 Japanese postmenopausal women with raloxifene treatment (N = 50) and without treatment by any osteoporosis drug (N = 186) for 5 years and analyzed the relationship of these with BMD, BMI, body weight, and biochemical markers...
January 2017: Journal of Bone and Mineral Metabolism
Frank Gotthardt, Christine Huber, Clara Thierfelder, Leticia Grize, Marius Kraenzlin, Claude Scheidegger, Christian Meier
Data on the influence of opioid substitution therapy (OST) on skeletal health in men is limited. This cross-sectional study aimed to determine the prevalence of low bone mass in male drug users and to evaluate the relationship between endogenous testosterone and bone mass. We recruited 144 men on long-term opioid maintenance therapy followed in the Center of Addiction Medicine in Basel, Switzerland. Data on medical and drug history, fracture risk and history of falls were collected. Bone mineral density (BMD) was evaluated by densitometry and serum was collected for measurements of gonadal hormones and bone markers...
January 2017: Journal of Bone and Mineral Metabolism
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