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https://www.readbyqxmd.com/read/29051986/the-relationship-between-fatty-liver-index-and-bone-mineral-density-in-koreans-knhanes-2010-2011
#1
S H Ahn, D H Seo, S H Kim, M-S Nam, S Hong
Analyses using a nationally representative cohort have revealed that high fatty liver index (FLI) is associated with low bone mineral density (BMD) regardless of insulin resistance in men, thereby supporting the deteriorated bone metabolism in nonalcoholic fatty liver disease (NAFLD). INTRODUCTION: NAFLD is linked to deteriorated bone health. We investigated the association of FLI, a scoring model for NAFLD, with BMD. METHODS: This was a population-based, cross-sectional study from the Korea National Health and Nutrition Examination Surveys including 4264 Koreans (1908 men and 2356 women)...
October 19, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/29042068/reduction-of-bone-mineral-density-in-native-chinese-female-idiopathic-benign-paroxysmal-positional-vertigo-patients
#2
Yunqin Wu, Chengyao Gu, Weiwei Han, Xiaoxiong Lu, Caijing Chen, Zhenyi Fan
OBJECTIVE: This study aimed to investigate the clinical association between idiopathic benign paroxysmal positional vertigo (BPPV) and reduction of bone mineral density (BMD). METHODS: BMD was measured in 78 native Chinese female de novo idiopathic BPPV patients and 126 healthy controls using dual-energy X-ray absorptiometry. We compared the mean T-scores and abnormal BMD prevalence between the two groups. RESULTS: The mean T-scores were significantly lower in idiopathic BPPV patients than in healthy controls...
October 5, 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/29038439/analysis-of-nkx3-1-cre-driven-erk5-deletion-reveals-a-profound-spinal-deformity-which-is-linked-to-increased-osteoclast-activity
#3
Carolyn J Loveridge, Rob J van 't Hof, Gemma Charlesworth, Ayala King, Ee Hong Tan, Lorraine Rose, Anna Daroszewska, Amanda Prior, Imran Ahmad, Michelle Welsh, Ernest J Mui, Catriona Ford, Mark Salji, Owen Sansom, Karen Blyth, Hing Y Leung
Extracellular signal-regulated protein kinase 5 (ERK5) has been implicated during development and carcinogenesis. Nkx3.1-mediated Cre expression is a useful strategy to genetically manipulate the mouse prostate. While grossly normal at birth, we observed an unexpected phenotype of spinal protrusion in Nkx3.1:Cre;Erk5 (fl/fl) (Erk5 (fl/fl)) mice by ~6-8 weeks of age. X-ray, histological and micro CT (µCT) analyses showed that 100% of male and female Erk5 (fl/fl) mice had a severely deformed curved thoracic spine, with an associated loss of trabecular bone volume...
October 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29038394/factors-associated-with-lumbar-and-femoral-bone-mineral-density-in-kidney-transplants-candidates
#4
Mohammad Aghighi, Mitra Mahdavi Mazdeh, Mohsen Nafar, Vahid Rakhshan
INTRODUCTION: Data on risk factors associated with low bone mineral density are limited in patients with end-stage renal disease. This study evaluated the factors deemed associated with lumbar and femoral Z and T scores. MATERIALS AND METHODS: Clinical and demographic data of 98 patients waiting for kidney transplantation were collected, as well as lumbar and femoral bone densitometries, before transplantation. Osteoporosis and osteopenia and factors associated with bone mineral density were assessed...
October 2017: Iranian Journal of Kidney Diseases
https://www.readbyqxmd.com/read/29036614/identification-of-a-candidate-mutation-in-the-col1a2-gene-of-a-chow-chow-with-osteogenesis-imperfecta
#5
E M Quist, R Doan, R R Pool, B F Porter, D L Bannasch, S V Dindot
Osteogenesis imperfecta (OI) is a genetic disease that occurs in humans and animals. Individuals with OI exhibit signs of extreme bone fragility and osteopenia with frequent fractures and perinatal lethality in severe cases. In this study, we report the clinical diagnosis of OI in a dog and the use targeted next-generation sequencing to identify a candidate autosomal dominant mutation in the COL1A2 gene. A five-month old male Chow Chow was examined with a fractured left humerus and resolving, bilateral femoral fractures...
September 19, 2017: Journal of Heredity
https://www.readbyqxmd.com/read/29035609/single-surgeon-experience-and-complications-of-a-fixed-bearing-total-ankle-arthroplasty
#6
Garett J Pangrazzi, Erin A Baker, Phillip J Shaheen, Chikezie N Okeagu, Paul T Fortin
BACKGROUND: Total ankle arthroplasty (TAA) has historically resulted in inferior survivorship rates compared with total hip and knee arthroplasty, because of technical issues unique to ankle anatomy. In this study, a single-surgeon series of intra- and postoperative complications as well as resultant reoperations/revisions of the Tornier Salto Talaris, a fixed-bearing TAA prosthesis, were reviewed. METHODS: Medical records from index procedure to latest follow-up of primary TAA were reviewed...
October 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/29034241/bone-mineral-density-after-weight-gain-in-160-patients-with-anorexia-nervosa
#7
Najate Achamrah, Moïse Coëffier, Pierre Jésus, Jocelyne Charles, Agnès Rimbert, Pierre Déchelotte, Sébastien Grigioni
Low bone mineral density (BMD) is a frequent complication in anorexia nervosa (AN). There are controversial points of views regarding the restoration of bone mineralization after recovery in AN. We aimed to assess changes of BMD at 3 years in patients with AN and to explore the relationships between body composition, physical activity, and BMD. Patients with AN were included from 2009 to 2011 in a first visit (T0) with evaluation of weight, height, body mass index (BMI), body composition [fat mass (FM) and fat-free mass], and BMD...
2017: Frontiers in Nutrition
https://www.readbyqxmd.com/read/29032463/kit-w-sh-mutation-prevents-cancellous-bone-loss-during-calcium-deprivation
#8
Sutada Lotinun, Jaijam Suwanwela, Suchit Poolthong, Roland Baron
Calcium is essential for normal bone growth and development. Inadequate calcium intake increases the risk of osteoporosis and fractures. Kit ligand/c-Kit signaling plays an important role in regulating bone homeostasis. Mice with c-Kit mutations are osteopenic. The present study aimed to investigate whether impairment of or reduction in c-Kit signaling affects bone turnover during calcium deprivation. Three-week-old male WBB6F1/J-Kit (W) /Kit (W-v) /J (W/W (v) ) mice with c-Kit point mutation, Kit (W-sh) /HNihrJaeBsmJ (W (sh) /W (sh) ) mice with an inversion mutation in the regulatory elements upstream of the c-Kit promoter region, and their wild-type controls (WT) were fed either a normal (0...
October 14, 2017: Calcified Tissue International
https://www.readbyqxmd.com/read/29032291/impact-of-an-osteoporosis-specialized-unit-on-bone-health-in-breast-cancer-survivals-treated-with-aromatase-inhibitors
#9
Purificación Martínez, Elena Galve, Virginia Arrazubi, M Ángeles Sala, Seila Fernández, Clara E Pérez, Juan F Arango, Iñaki Torre
OBJECTIVE: Considering the increased fracture risk in early breast cancer patients treated with aromatase inhibitors (AI), we assessed the impact of a preventive intervention conducted by a specialized osteoporosis unit on bone health at AI treatment start. MATERIAL AND METHODS: Retrospective cohort of postmenopausal women who started treatment with AI after breast cancer surgical/chemotherapy treatment and were referred to the osteoporosis unit for a comprehensive assessment of bone health...
October 11, 2017: Reumatología Clinica
https://www.readbyqxmd.com/read/29031993/the-gdf5-mutant-bb-1-enhances-the-bone-formation-induced-by-an-injectable-plga-fiber-reinforced-brushite-forming-cement-in-a-sheep-defect-model-of-lumbar-osteopenia
#10
Francesca Gunnella, Elke Kunisch, Stefan Maenz, Victoria Horbert, Long Xin, Joerg Mika, Juliane Borowski, Sabine Bischoff, Harald Schubert, Andre Sachse, Bernhard Illerhaus, Jens Günster, Jörg Bossert, Klaus D Jandt, Frank Plöger, Raimund W Kinne, Olaf Brinkmann, Matthias Bungartz
BACKGROUND CONTEXT: Targeted delivery of osteoinductive bone morphogenetic proteins (BMPs; e.g., GDF5) in bioresorbable calcium phosphate cement (CPC), potentially suitable for vertebroplasty/kyphoplasty of osteoporotic vertebral fractures, may be required to counteract augmented local bone catabolism and support complete bone regeneration. The biologically optimized GDF5 mutant BB-1 may represent an attractive drug candidate for this purpose. PURPOSE: The aim of the current study was to test an injectable, poly (l-lactide-co-glycolide) acid (PLGA)-fiber reinforced, brushite-forming cement (CPC) containing low-dose BB-1 in a sheep lumbar osteopenia model...
October 12, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29031778/extended-adjuvant-aromatase-inhibition-after-sequential-endocrine-therapy-data-a-randomised-phase-3-trial
#11
Vivianne C G Tjan-Heijnen, Irene E G van Hellemond, Petronella G M Peer, Astrid C P Swinkels, Carolien H Smorenburg, Maurice J C van der Sangen, Judith R Kroep, Hiltje De Graaf, Aafke H Honkoop, Frans L G Erdkamp, Franchette W P J van den Berkmortel, Maaike de Boer, Wilfred K de Roos, Sabine C Linn, Alexander L T Imholz, Caroline M Seynaeve
BACKGROUND: The effect of extended adjuvant aromatase inhibition in hormone receptor-positive breast cancer after sequential endocrine therapy of tamoxifen followed by an aromatase inhibitor for a 5-year treatment period still needs clarification. To address this issue, we began the DATA study to assess different durations of anastrozole therapy after tamoxifen. METHODS: DATA was a prospective, randomised, open-label, multicentre, phase 3 study done in 79 hospitals in the Netherlands...
October 11, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/29031689/oral-administration-of-kaempferol-inhibits-bone-loss-in-rat-model-of-ovariectomy-induced-osteopenia
#12
Beata Nowak, Agnieszka Matuszewska, Anna Nikodem, Jarosław Filipiak, Marcin Landwójtowicz, Ewa Sadanowicz, Diana Jędrzejuk, Marta Rzeszutko, Krzysztof Zduniak, Tomasz Piasecki, Przemysław Kowalski, Wojciech Dziewiszek, Anna Merwid-Ląd, Małgorzata Trocha, Tomasz Sozański, Joanna Kwiatkowska, Marek Bolanowski, Adam Szeląg
BACKGROUND: Postmenopausal osteoporosis and osteoporotic fractures constitute an increasing problem in developing countries. Kaempferol, isolated from seeds of Cuscuta chinensis, is an active flavonoid inhibiting in vitro osteoclast activity. The aim of the presented research was an assessment of kaempferol effect on estrogen-deficiency-induced bone structure disturbances in rats. METHODS: The study was performed on 24 Wistar female rats divided into 3 groups: SHAM - rats undergoing a "sham" surgery, OVX-C - control group of animals that underwent ovariectomy, OVX-K - rats undergoing ovariectomy and receiving kaempferol for 8 weeks (from day 56 to day 112)...
May 13, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/29030130/behavioural-and-objective-vestibular-assessment-in-persons-with-osteoporosis-and-osteopenia-a-preliminary-investigation
#13
Aditi Gargeshwari, Raghav Hira Jha, Niraj Kumar Singh, Prawin Kumar
INTRODUCTION: Calcium is vital for the functioning of the inner ear hair cells as well as for the neurotransmitter release that triggers the generation of a nerve impulse. A reduction in calcium level could therefore impair the peripheric vestibular functioning. However, the outcome of balance assessment has rarely been explored in cases with osteopenia and osteoporosis, the medical conditions associated with reduction in calcium levels. OBJECTIVE: The present study aimed to investigate the impact of osteopenia and osteoporosis on the outcomes of behavioural and objective vestibular assessment tests...
September 21, 2017: Brazilian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/29029863/changes-in-local-bone-density-in-early-thumb-carpometacarpal-joint-osteoarthritis
#14
Joseph J Schreiber, Thomas J McQuillan, Eni Halilaj, Joseph J Crisco, Arnold-Peter Weiss, Tarpit Patel, Deborah Kenney, Amy L Ladd
PURPOSE: Thumb carpometacarpal (CMC) osteoarthritis (OA) represents a major source of functional morbidity. The effects of early CMC OA on loading and use patterns potentially lead to changes in local bone density and microarchitecture. Hounsfield units (HU), a quantitative attenuation coefficient obtained from computed tomography (CT) scans, have been shown to be a reliable marker of bone density. We hypothesized that early CMC OA is associated with lower local bone density about the CMC joint as assessed by HU...
October 10, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/29019594/allogeneic-mesenchymal-stem-cells-and-xenogenic-platelet-rich-plasma-associated-or-not-in-the-repair-of-bone-failures-in-rabbits-with-secondary-osteoporosis
#15
Mariá Andrade de Carvalho Rocha, Laís Meireles Costa Silva, Wellson Andrade de Oliveira, Dayseanny de Oliveira Bezerra, Gustavo Cardoso da Silva, Lucilene Dos Santos Silva, Brenda Lurian do Nascimento Medeiros, Sílvia de Araújo França Baêta, Maria Acelina Martins de Carvalho, Napoleão Martins Argôlo
PURPOSE: To assess the efficacy of allogeneic mesenchymal stem cells and xenogenic platelet rich plasma in the treatment of bone failure of osteoporotic rabbits secondary to estrogenic deprivation and iatrogenic hypercortisolism. METHODS: Eight female rabbits underwent ovarian resection and corticoid therapy to induce clinical status of osteoporosis. Four failures were produced in the tibiae, with each failure being treated with hemostatic sponge, allogenic mesenchymal stem cells, xenogenic platelet-rich plasma and the association between both...
September 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/29018155/clinical-characteristics-of-138-chinese-female-patients-with-idiopathic-hypogonadotropic-hypogonadism
#16
Rui-Yi Tang, Rong Chen, Miao Ma, Shou-Qing Lin, Yi-Wen Zhang, Ya-Ping Wang
OBJECTIVE: To evaluate the clinical features of Chinese women with idiopathic hypogonadotropic hypogonadism (IHH). METHODS: We retrospectively reviewed the clinical characteristics, laboratory and imaging findings, therapeutic management, and fertility outcomes of 138 women with IHH. All patients had been treated and followed-up at an academic medical centre during 1990-2016. RESULTS: Among the 138 patients, 82 patients (59.4%) were diagnosed with normosmic IHH and 56 patients (40...
October 10, 2017: Endocrine Connections
https://www.readbyqxmd.com/read/28989849/can-posterior-lumbar-instrumentation-and-fusion-be-overpowered-by-anterior-lumbar-fusion-with-hyperlordotic-cages-a-cadaveric-study
#17
Nathan Wigner, Abhijeet Kadam, Philip Saville, Vincent Arlet
STUDY DESIGN: Technical report on cadavers. OBJECTIVE: To evaluate preliminary feasibility and safety of lumbar sagittal alignment correction with anterior hyperlordotic cages used to overpower previous posterior spinal instrumentation. METHODS: Hyperlordotic 30° anterior lumbar interbody fusion (ALIF) cages were inserted in collapsed L5-S1 disc space of 2 cadavers to overpower prior posterior L5-S1 pedicle screws and rod constructs. A distinct technique of opening up the disc space and creation of intersegmental lordosis was employed using a large endplate distractor and transforaminal lumbar interbody fusion (TLIF) paddle distractor...
October 2017: Global Spine Journal
https://www.readbyqxmd.com/read/28983104/shp2-regulates-the-osteogenic-fate-of-growth-plate-hypertrophic-chondrocytes
#18
Lijun Wang, Jiahui Huang, Douglas C Moore, Chunlin Zuo, Qian Wu, Liqin Xie, Klaus von der Mark, Xin Yuan, Di Chen, Matthew L Warman, Michael G Ehrlich, Wentian Yang
Transdifferentiation of hypertrophic chondrocytes into bone-forming osteoblasts has been reported, yet the underlying molecular mechanism remains incompletely understood. SHP2 is an ubiquitously expressed cytoplasmic protein tyrosine phosphatase. SHP2 loss-of-function mutations in chondroid cells are linked to metachondromatosis in humans and mice, suggesting a crucial role for SHP2 in the skeleton. However, the specific role of SHP2 in skeletal cells has not been elucidated. To approach this question, we ablated SHP2 in collagen 2α1(Col2α1)-Cre- and collagen 10α1(Col10α1)-Cre-expressing cells, predominantly proliferating and hypertrophic chondrocytes, using "Cre-loxP"-mediated gene excision...
October 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28982654/erratum-pathophysiological-mechanism-of-bone-loss-in-type-2-diabetes-involves-inverse-regulation-of-osteoblast-function-by-pgc-1%C3%AE-and-skeletal-muscle-atrogenes-adipor1-as-a-potential-target-for-reversing-diabetes-induced-osteopenia-diabetes-2015-64-2609-2623
#19
Mohd Parvez Khan, Abhishek Kumar Singh, Amit Arvind Joharapurkar, Manisha Yadav, Sonal Shree, Harish Kumar, Anagha Gurjar, Jay Sharan Mishra, Mahesh Chandra Tiwari, Geet Kumar Nagar, Sudhir Kumar, Ravishankar Ramachandran, Anupam Sharan, Mukul Rameshchandra Jain, Arun Kumar Trivedi, Rakesh Maurya, Madan Madhav Godbole, Jiaur Rahaman Gayen, Sabyasachi Sanyal, Naibedya Chattopadhyay
No abstract text is available yet for this article.
October 5, 2017: Diabetes
https://www.readbyqxmd.com/read/28982588/low-1-level-mechanical-vibration-improves-bone-microstructure-tissue-mechanical-properties-and-porous-titanium-implant-osseointegration-by-promoting-anabolic-response-in-type-1-diabetic-rabbits
#20
Da Jing, Zedong Yan, Jing Cai, Shichao Tong, Xiaokang Li, Zheng Guo, Erping Luo
Type 1 diabetes mellitus (T1DM) is associated with reduced bone mass, increased fracture risk, and impaired bone defect regeneration potential. These skeletal complications are becoming important clinical challenges due to the rapidly increasing T1DM population, which necessitates developing effective treatment for T1DM-associated osteopenia/osteoporosis and bone trauma. This study aims to investigate the effects of whole-body vibration (WBV), an easy and non-invasive biophysical method, on bone microstructure, tissue-level mechanical properties and porous titanium (pTi) osseointegration in alloxan-diabetic rabbits...
October 2, 2017: Bone
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