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https://www.readbyqxmd.com/read/29677309/vitamin-d-calcium-or-combined-supplementation-for-the-primary-prevention-of-fractures-in-community-dwelling-adults-us-preventive-services-task-force-recommendation-statement
#1
David C Grossman, Susan J Curry, Douglas K Owens, Michael J Barry, Aaron B Caughey, Karina W Davidson, Chyke A Doubeni, John W Epling, Alex R Kemper, Alex H Krist, Martha Kubik, Seth Landefeld, Carol M Mangione, Michael Silverstein, Melissa A Simon, Chien-Wen Tseng
Importance: Because of the aging population, osteoporotic fractures are an increasingly important cause of morbidity and mortality in the United States. Approximately 2 million osteoporotic fractures occurred in the United States in 2005, and annual incidence is projected to increase to more than 3 million fractures by 2025. Within 1 year of experiencing a hip fracture, many patients are unable to walk independently, more than half require assistance with activities of daily living, and 20% to 30% of patients will die...
April 17, 2018: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/29676289/natural-history-and-outcome-of-inflammatory-bowel-diseases-in-children-in-saudi-arabia-a-single-center-experience
#2
Khalid M Alreheili, Khalid A Alsaleem, Ali I Almehaidib
Background/Aim: Inflammatory bowel disease (IBD) is a chronic gastrointestinal disorder which includes ulcerative colitis (UC), Crohn's disease (CD), and indeterminate colitis (IC). The natural history of pediatric IBDs is poorly understood and generally unpredictable. We aim to study the natural history of IBD in Saudi children including the extraintestinal manifestations, changes in diagnosis, disease behavior, medical management, and surgical outcome. Patients and Methods: A retrospective review of all the charts of children less than 14 years of age who were diagnosed as IBD and followed up in King Faisal Specialist Hospital and Research Center (KFSH and RC) from January 2001 to December 2011 was performed...
April 18, 2018: Saudi Journal of Gastroenterology: Official Journal of the Saudi Gastroenterology Association
https://www.readbyqxmd.com/read/29676133/-psoralen-inhibits-raw264-7-differentiation-into-osteoclasts-and-bone-resorption-by-regulating-cd4-t-cell-differentiation
#3
Jin-Ping Li, Bao-Ping Xie, Wen-Juan Zhang, Li-Ying Shi, Wei-Juan Li, Ying Zeng, Guo-Xing Gan, Yu-Hong Li
This paper aimed to investigate whether psoralen inhibits the differentiation and bone resorption by regulating CD4+T cell differentiation in RANKL-induced osteoclastogenesis in RAW264.7 cells, and elucidate its mechanism for osteoporosis. CD4+T cells were isolated from spleen cells of Balb/c mice by immunomagnetic separation method. The cells were divided into blank control group and psoralen group. The cells were cultured in 24-well plates and cultured for 3 days, and then they were collected for co-culture experiments after 4 days...
March 2018: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29675770/sports-participation-and-fracture-in-older-australian-men
#4
Kara L Holloway-Kew, David J Moloney, Gosia Bucki-Smith, Natalie K Hyde, Sharon L Brennan-Olsen, Elizabeth N Timney, Amelia G Dobbins, Julie A Pasco
Older men who participated in a sporting activity were less likely to sustain any fracture or major osteoporotic fracture over a 6-year follow-up period. PURPOSE: Regular weight-bearing physical activity can reduce fracture risk through an increase in bone strength, as well as reducing falls risk by improving muscle strength and balance. In this study, we aimed to determine whether a specific type of physical activity, sports participation, reduces fracture risk in older Australian men...
April 19, 2018: Archives of Osteoporosis
https://www.readbyqxmd.com/read/29675436/prevention-and-treatment-of-osteoporosis-using-chinese-medicinal-plants-special-emphasis-on-mechanisms-of-immune-modulation
#5
REVIEW
Hongyan Zhao, Ning Zhao, Peng Zheng, Xiaohong Xu, Meijie Liu, Dan Luo, Huihui Xu, Dahong Ju
Numerous studies have examined the pathogenesis of osteoporosis. The causes of osteoporosis include endocrine factors, nutritional status, genetic factors, physical factors, and immune factors. Recent osteoimmunology studies demonstrated that the immune system and immune factors play important regulatory roles in the occurrence of osteoporosis, and people should pay more attention to the relationship between immunity and osteoporosis. Immune and bone cells are located in the bone marrow and share numerous regulatory molecules, signaling molecules, and transcription factors...
2018: Journal of Immunology Research
https://www.readbyqxmd.com/read/29675022/immunoporosis-immunology-of-osteoporosis-role-of-t-cells
#6
REVIEW
Rupesh K Srivastava, Hamid Y Dar, Pradyumna K Mishra
The role of immune system in various bone pathologies, such as osteoporosis, osteoarthritis, and rheumatoid arthritis is now well established. This had led to the emergence of a modern field of systems biology called as osteoimmunology, an integrated research between fields of immunology and bone biology under one umbrella. Osteoporosis is one of the most common inflammatory bone loss condition with more than 200 million individuals affected worldwide. T helper (Th) cells along with various other immune cells are major players involved in bone homeostasis...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29674281/effects-of-tocotrienol-from-bixa-orellana-annatto-on-bone-histomorphometry-in-a-male-osteoporosis-model-induced-by-buserelin
#7
Nur-Vaizura Mohamad, Ima-Nirwana Soelaiman, Kok-Yong Chin
INTRODUCTION: Osteoporosis is a debilitating skeletal side effect of androgen deprivation therapy based on gonadotropin-releasing hormone (GnRH) agonist in men. Tocotrienol from Bixa orellana (annatto) has been demonstrated to offer protection against osteoporosis by exerting anabolic effects on bone. Thus, it may prevent osteoporosis among GnRH agonist users. OBJECTIVE: This study aimed to determine the effectiveness of annatto-tocotrienol on the bone turnover markers and bone histomorphometry in a model of male osteoporosis induced by buserelin (a GnRH agonist)...
April 16, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29673756/hip-fracture-risk-in-patients-with-alcoholic-cirrhosis-a-population-based-study-using-english-and-danish-data
#8
H Otete, T Deleuran, K M Fleming, T R Card, G P Aithal, P Jepsen, J West
BACKGROUND & AIMS: Cirrhosis is a risk factor for osteoporosis and fractures. However, little is known of the actual risk of hip fractures in patients with alcoholic cirrhosis. Using linked primary and secondary care data from the English and Danish nationwide registries, we quantified the hip fracture risk in two national cohorts of patients with alcoholic cirrhosis. METHODS: We followed 3,706 English and 17,779 Danish patients with a diagnosis of alcoholic cirrhosis, and we identified matched controls from the general populations...
April 16, 2018: Journal of Hepatology
https://www.readbyqxmd.com/read/29673097/effects-of-implant-delivered-insulin-on-bone-formation-in-osteoporotic-rats
#9
B Ö Malekzadeh, M C Erlandsson, P Tengvall, A Palmquist, M Ransjo, M I Bokarewa, A Westerlund
Osteoporosis is a major cause of age-related fractures. Healing complications in osteoporotic patients are often associated with increased mortality and morbidity. Stimulation of the implant-adjacent bone could be beneficial in terms of the surgical outcome. Over the past decade, numerous investigations have implicated insulin in normal bone growth, and recent studies have described the advantages of administering insulin locally to increase bone formation. Therefore, we hypothesized that insulin-coated titanium implants would increase bone formation in osteoporotic animals...
April 19, 2018: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/29672714/effects-of-long-term-denosumab-on-bone-histomorphometry-and-mineralization-in-women-with-postmenopausal-osteoporosis
#10
David W Dempster, Jacques P Brown, Astrid Fahrleitner-Pammer, David Kendler, Sebastien Rizzo, Ivo Valter, Rachel B Wagman, Xiang Yin, Susan V Yue, Georges Boivin
Context: Denosumab is a potent antiresorptive agent that reduces fractures in postmenopausal women with osteoporosis. Objective: Determine effects of up to 10 years of denosumab on bone histology, bone remodeling, and bone matrix mineralization characteristics. Design and Setting: International, multicenter, randomized, double-blind trial (FREEDOM) with a long-term open-label extension (Extension). Patients: Postmenopausal women with osteoporosis (92 women in FREEDOM, 46 in Extension) who provided iliac bone biopsies, including 11 who provided biopsies at multiple time points...
April 16, 2018: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29672438/alterations-of-inflammatory-and-matrix-production-indices-in-celiac-disease-with-low-bone-mass-on-long-term-gluten-free-diet
#11
Michele Di Stefano, Manuela Bergonzi, Irene Benedetti, Mara De Amici, Cristina Torre, Natascia Brondino, Emanuela Miceli, Elisabetta Pagani, Gian L Marseglia, Gino R Corazza, Antonio Di Sabatino
BACKGROUND: A clinically meaningful impairment of bone mass secondary to malabsorption is frequent in untreated celiac disease. In adult patients, a rigorous gluten-free diet (GFD) significantly improves, but does not always normalize, bone mineral density (BMD). The reason for this marginal response is unclear. Accordingly, we evaluated the role of both local and systemic factors for bone loss in celiac patients on long-term GFD. STUDY: In a prospective cohort, 22 patients with low lumbar and/or femoral BMD and 22 with normal BMD underwent bone and mineral metabolism evaluation: we tested calcium, phosphate, parathyroid hormone, and vitamin D; telopeptide of type I collagen, a bone resorption index; propeptide of type I procollagen, a bone neoformation index; receptor antagonist of NF-kB ligand, an osteoclast-stimulating factor; osteoprotegerin (OPG), a decoy receptor for RANKL...
April 18, 2018: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/29671936/influence-of-human-parathyroid-hormone-during-orthodontic-tooth-movement-and-relapse-in-the-osteoporotic-rat-model-a-preliminary-study
#12
H S Lee, H A Heo, S H Park, W Lee, S W Pyo
OBJECTIVE: To investigate the effects of parathyroid hormone (PTH) on tooth movement in ovariectomized (OVX) rats by comparing the tooth movement distance and relapse and by examining the alveolar bone microstructure. MATERIALS AND METHODS: Thirty 8-week-old female rats were classified into 3 groups: sham-operated, OVX and ovariectomized rats injected with PTH (PTH). Eight weeks later, a closed-coil spring appliance was placed between the maxillary incisor and the first molar and then activated with 50 cN of force...
April 19, 2018: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/29670999/mechanisms-involved-in-normal-and-pathological-osteoclastogenesis
#13
REVIEW
Kyung-Hyun Park-Min
Osteoclasts are bone-resorbing cells that play an essential role in bone remodeling. Defects in osteoclasts result in unbalanced bone remodeling and are linked to many bone diseases including osteoporosis, rheumatoid arthritis, primary bone cancer, and skeletal metastases. Receptor activator of NF-kappaB ligand (RANKL) is a classical inducer of osteoclast formation. In the presence of macrophage-colony-stimulating factor, RANKL and co-stimulatory signals synergistically regulate osteoclastogenesis. However, recent discoveries of alternative pathways for RANKL-independent osteoclastogenesis have led to a reassessment of the traditional mechanisms that regulate osteoclast formation...
April 18, 2018: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/29670661/effect-of-zishen-jiangtang-pill-a-chinese-herbal-product-on-rats-with-diabetic-osteoporosis
#14
Huilin Li, Shufang Chu, Hengxia Zhao, Deliang Liu, Xuemei Liu, Xi Qu, Jianpin Chen, Zengyin Li, Jinhua Li
Diabetic osteoporosis (DO) is a complication of diabetes. Zishen Jiangtang Pill (ZJP) is a Chinese herbal product which has been used in clinic to maintain blood glucose level and bone density for decades. However, the evidence about its mechanism on diabetes and osteoporosis is still unknown. The aim of this study is to investigate therapeutic effect of ZJP on DO in streptozotocin- (STZ-) induced rats. Rats were randomly assigned to 4 groups: one control group (CON), one model group (MOD), and two ZJP treatment groups (1...
2018: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/29670577/anatomical-variation-of-age-related-changes-in-vertebral-bone-marrow-composition-using-chemical-shift-encoding-based-water-fat-magnetic-resonance-imaging
#15
Thomas Baum, Alexander Rohrmeier, Jan Syväri, Maximilian N Diefenbach, Daniela Franz, Michael Dieckmeyer, Andreas Scharr, Hans Hauner, Stefan Ruschke, Jan S Kirschke, Dimitrios C Karampinos
Assessment of vertebral bone marrow composition has been proposed as imaging biomarker for osteoporosis, hematopoietic, and metabolic disorders. We investigated the anatomical variation of age-related changes of vertebral proton density fat fraction (PDFF) using chemical shift encoding-based water-fat magnetic resonance imaging (MRI). 156 healthy subjects were recruited (age range 20-29 years: 12/30 males/females; 30-39: 15/9; 40-49: 4/14; 50-59: 9/27; 60-69: 5/19; 70-79: 4/8). An eight-echo 3D spoiled gradient-echo sequence at 3T MRI was used for chemical shift-encoding based water-fat separation at the lumbar spine...
2018: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29669893/-sost-deficiency-leads-to-reduced-mechanical-strains-at-the-tibia-midshaft-in-strain-matched-in-vivo-loading-experiments-in-mice
#16
Laia Albiol, Myriam Cilla, David Pflanz, Ina Kramer, Michaela Kneissel, Georg N Duda, Bettina M Willie, Sara Checa
Sclerostin, a product of the Sost gene, is a Wnt-inhibitor and thus negatively regulates bone accrual. Canonical Wnt/β-catenin signalling is also known to be activated in mechanotransduction. Sclerostin neutralizing antibodies are being tested in ongoing clinical trials to target osteoporosis and osteogenesis imperfecta but their interaction with mechanical stimuli on bone formation remains unclear. Sost knockout (KO) mice were examined to gain insight into how long-term Sost deficiency alters the local mechanical environment within the bone...
April 2018: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/29667012/bone-marrow-adipocyte-developmental-origin-and-biology
#17
REVIEW
Joanna Bukowska, Trivia Frazier, Stanley Smith, Theodore Brown, Robert Bender, Michelle McCarthy, Xiying Wu, Bruce A Bunnell, Jeffrey M Gimble
PURPOSE OF REVIEW: This review explores how the relationships between bone marrow adipose tissue (BMAT) adipogenesis with advancing age, obesity, and/or bone diseases (osteopenia or osteoporosis) contribute to mechanisms underlying musculoskeletal pathophysiology. RECENT FINDINGS: Recent studies have re-defined adipose tissue as a dynamic, vital organ with functions extending beyond its historic identity restricted solely to that of an energy reservoir or sink. "State of the art" methodologies provide novel insights into the developmental origin, physiology, and function of different adipose tissue depots...
April 18, 2018: Current Osteoporosis Reports
https://www.readbyqxmd.com/read/29666967/health-maintenance-in-inflammatory-bowel-disease
#18
REVIEW
Fazia A Mir, Sunanda V Kane
PURPOSE OF REVIEW: Patients with inflammatory bowel disease (IBD) are not receiving preventative care services at the same rate as the general population. IBD patients are at increased risk for infections, osteoporosis, and certain malignancies secondary to their disease and as they are on immunosuppressive therapy. They are a younger population and often times consider their gastroenterologist as their primary care physician. In this review, we discuss up-to-date evidence pertaining to vaccine-preventable illnesses in the immunosuppressed IBD patient, screening for bone health, cervical cancer, skin malignancies, psychological wellbeing, and smoking cessation...
April 17, 2018: Current Gastroenterology Reports
https://www.readbyqxmd.com/read/29666861/lactoferrin-preserves-bone-homeostasis-by-regulating-the-rankl-rank-opg-pathway-of-osteoimmunology
#19
Fengjiao Fan, Pujie Shi, Meng Liu, Hui Chen, Maolin Tu, Weihong Lu, Ming Du
Osteoporosis can be classified as an inflammatory disease and the crosstalk between the immune system and bone growth should be considered. The effects of bovine lactoferrin on bone by osteoimmunology were investigated in the present study. Ten week old female BALB/c mice were ovariectomized (OVX) and fed for 12 weeks with a control diet or lactoferrin (2, 20 and 100 mg kg-1 d-1). The results showed that following 12 weeks of treatment after surgery, OVX resulted in bone loss, but treatment with lactoferrin preserved bone homeostasis...
April 18, 2018: Food & Function
https://www.readbyqxmd.com/read/29666038/correlation-of-serum-ccl3-mip-1%C3%AE-levels-with-disease-severity-in-postmenopausal-osteoporotic-females
#20
Hui Wan, Tie-Yong Qian, Xiao-Jing Hu, Ci-You Huang, Wei-Feng Yao
BACKGROUND: The pro-inflammatory protein chemokine cytokine ligand 3 is well-established as a vital regulator of bone resorption and osteoclasts stimulation. AIMS: We sought to investigate if serum chemokine cytokine ligand 3 levels correlated with disease severity in postmenopausal osteoporosis females. STUDY DESIGN: Cross-sectional Study. METHODS: 82 postmenopausal osteoporotic females, 76 postmenopausal non-osteoporotic women and 80 healthy female at childbearing age were recruited...
April 15, 2018: Balkan Medical Journal
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