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https://www.readbyqxmd.com/read/29691848/children-sustain-high-levels-of-skin-dna-photodamage-with-a-modest-increase-of-serum-25-oh-d-3-after-a-summer-holiday-in-northern-europe
#1
J Narbutt, P A Philipsen, A Lesiak, T Sandberg Liljendahl, D Segerbäck, J Heydenreich, D Chlebna-Sokol, P Olsen, G I Harrison, A Pearson, K Baczynska, M Rogowski-Tylman, H C Wulf, A R Young
BACKGROUND: Childhood solar ultraviolet radiation (UVR) exposure increases the risk of skin cancer in adulthood, which is associated with mutations caused by UVR-induced cyclobutane pyrimidine dimers (CPD). Solar UVR is also the main source of vitamin D, essential for healthy bone development in children. OBJECTIVES: The impact of a 12-day Baltic Sea (54o N) beach holiday on serum 25-dihydroxyvitamin D (25(OH)D3 ) and CPD was assessed in 32 healthy Polish children (skin types I-IV)...
April 24, 2018: British Journal of Dermatology
https://www.readbyqxmd.com/read/29691773/etelcalcetide-for-treating-secondary-hyperparathyroidism-an-evidence-review-group-evaluation-of-a-nice-single-technology-appraisal
#2
Micah Rose, Jonathan Shepherd, Petra Harris, Karen Pickett, Joanne Lord
The manufacturer of the calcimimetic drug etelcalcetide was invited to make an evidence submission as part of the National Institute for Health and Care Excellence (NICE) Single Technology Appraisal (STA) programme. Within this submission, they reported evidence on the clinical and cost effectiveness of etelcalcetide for the treatment of secondary hyperparathyroidism (SHPT) in patients with chronic kidney disease (CKD) on haemodialysis. The Southampton Health Technology Assessments Centre (SHTAC), part of the Wessex Institute at the University of Southampton, was the independent Evidence Review Group (ERG) commissioned to appraise the company's submission...
April 25, 2018: PharmacoEconomics
https://www.readbyqxmd.com/read/29691721/mild-cognitive-impairment-is-associated-with-poor-physical-function-but-not-bone-structure-or-density-in-late-adulthood-findings-from-the-hertfordshire-cohort-study
#3
A Patel, K A Jameson, M H Edwards, K Ward, C R Gale, C Cooper, Elaine M Dennison
This study investigated the association between mild cognitive impairment (MCI) and physical function and bone health in older adults. MCI was associated with poor physical performance but not bone mineral density or bone microarchitecture. PURPOSE: Cross-sectional study to investigate the association between mild cognitive impairment (MCI) and physical performance, and bone health, in a community-dwelling cohort of older adults. METHODS: Cognitive function of 222 men and 221 women (mean age 75...
April 24, 2018: Archives of Osteoporosis
https://www.readbyqxmd.com/read/29691609/effect-of-25-hydroxyvitamin-d-deficiency-and-its-interaction-with-prednisone-treatment-on-musculoskeletal-health-in-growing-mdx-mice
#4
Sung-Hee Yoon, Kim S Sugamori, Marc D Grynpas, Jane Mitchell
Duchenne muscular dystrophy (DMD) results from genetic mutations of the gene encoding dystrophin, leading to muscle inflammation and degeneration that is typically treated with glucocorticoids. DMD and its treatment with glucocorticoids result in poor bone health and high risk of fractures. Insufficient levels of 25-hydroxyvitamin D (25-hydroxy D) that may contribute to weakened bone are routinely found in DMD patients. To determine the effect of 25-hydroxy D deficiency, this study examined the effects of low vitamin D dietary intake with and without glucocorticoids on the musculoskeletal system of the Mdx mouse model of DMD...
April 24, 2018: Calcified Tissue International
https://www.readbyqxmd.com/read/29690604/nail-properties-and-bone-health-a-review
#5
REVIEW
Pouya Saeedi, Amin Shavandi, Kim Meredith-Jones
Physicochemical properties of nail may offer valuable insight into the health of bone. Currently, dual-energy X-ray absorptiometry (DXA) is the gold standard technique for evaluating bone health through bone mineral density (BMD). However, only 70% of fractures are explained by low BMD according to DXA. Therefore, the World Health Organisation recommended the need for the development of alternative methods of assessing bone health. Keratin and collagen type I are major proteins in nail and bone, respectively...
April 23, 2018: Journal of Functional Biomaterials
https://www.readbyqxmd.com/read/29687967/vertebral-compression-fractures-associated-with-yoga-a-case-series
#6
Jad G Sfeir, Matthew T Drake, Vikram J Sonawane, Mehrsheed Sinaki
BACKGROUND: The importance of exercise in skeletal health is increasingly recognized by both patients and providers. However, the safety of prescribed or recreational exercise in at-risk populations remains under-reported and under-publicized. Yoga has gained widespread popularity due to its physical and psychological benefits. When practiced in a population at increased fracture risk, however, some yoga poses may increase fracture risk, particularly at the spine, rather than increasing BMD as noted in recent popular press reports...
April 24, 2018: European Journal of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/29687585/bone-another-potential-target-to-treat-prevent-and-predict-diabetes
#7
REVIEW
Dong-Mei Liu, Ioanna Mosialou, Jian-Min Liu
Type 2 diabetes mellitus is now a worldwide health problem with increasing prevalence. Mounting efforts have been made to treat, prevent and predict this chronic disease. In recent years, increasing evidence from mice and clinical studies suggest that bone-derived molecules modulate glucose metabolism. This review aims to summarize our current understanding of the interplay between bone and glucose metabolism and highlight potential new means for therapeutic intervention. The first molecule recognized as a link between bone and glucose metabolism in mice is osteocalcin, which functions in its active form, i...
April 23, 2018: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/29684621/setd7-and-its-contribution-to-boron-induced-bone-regeneration-in-b-mbg-scaffolds
#8
Chengcheng Yin, Xiaoshi Jia, Richard J Miron, Qiaoyun Long, Hudi Xu, Yan Wei, Min Wu, Yufeng Zhang, Zubing Li
Boron (B), a trace element found in the human body, plays an important role for health of bone by promoting the proliferation and differentiation of osteoblasts. Our research group previously fabricated B-mesoporous bioactive glass (MBG) scaffolds, which successfully promoted osteogenic differentiation of osteoblasts when compared to pure MBG scaffolds without boron. However, the mechanisms of the positive effect of B-MBG scaffolds on osteogenesis remains unknown. Therefore, we performed in-vivo experiments in an OVX rat models with pure MBG scaffolds and compared them to B-MBG scaffold...
April 20, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29684108/pituitary-diseases-and-bone
#9
Gherardo Mazziotti, Stefano Frara, Andrea Giustina
Neuroendocrinology of bone is a new area of research based on the evidence that pituitary hormones may directly modulate bone remodeling and metabolism. Skeletal fragility associated with high risk of fractures is a common complication of several pituitary diseases such as hypopituitarism, Cushing disease, acromegaly and hyperprolactinemia. As in other forms of secondary osteoporosis, pituitary diseases generally affect bone quality more than bone quantity and fractures may occur even in the presence of normal or low-normal bone mineral density as measured by dual-energy X-ray absorptiometry, making difficult the prediction of fractures in these clinical settings...
April 19, 2018: Endocrine Reviews
https://www.readbyqxmd.com/read/29684086/frequency-of-appearance-of-transverse-harris-lines-reflects-living-conditions-of-the-pleistocene-bear-ursus-ingressus-sudety-mts-poland
#10
Dariusz Nowakowski
Transverse lines, called Harris Lines (HL), osteological markers of recovery from growth arrest episodes, are visible in radiograms of recent and Pleistocene fossil bones. Since on the one hand they mark stressful episodes in life, and on the other are mainly used to trace health fluctuations in prehistoric human communities, I used a cave bear population to check if the processes that could affect the specie' condition were in any way reflected in the bone structure. 392 bear bones from Bear Cave in Kletno (collection: Department of Palaeozoology, University of Wrocław), dated as 32 100 ±1300 to >49 000 years BP, were radiologically examined...
2018: PloS One
https://www.readbyqxmd.com/read/29683499/the-role-of-androgens-on-periodontal-repair-in-female-rats
#11
João Paulo Steffens, Luis Carlos Leal Santana, Jonleno Coutinho Paiva Pitombo, Daniel Olivio Ribeiro, Maria Carolina Costa Albaricci, Stephanie von Stein Cubas Warnavin, Alpdogan Kantarci, Luis Carlos Spolidorio
BACKGROUND: Testosterone replacement enhances cognitive function and musculoskeletal health in postmenopausal women. However, the biological role of testosterone on inflammation and bone metabolism in females is not well understood. Our objective was to measure the impact of androgens and their receptors on periodontal tissues during periodontal repair in female rats. METHODS: Seventy female Holtzman rats were divided into seven groups (n = 10/group): negative control; repair control; androgen receptor antagonist (flutamide, 50 mg/kg, every other day); estrogen receptor antagonist (fulvestrant, 1...
April 2018: Journal of Periodontology
https://www.readbyqxmd.com/read/29683475/pharmacological-interventions-for-the-prevention-of-insufficiency-fractures-and-avascular-necrosis-associated-with-pelvic-radiotherapy-in-adults
#12
REVIEW
Qurrat U van den Blink, Kate Garcez, Caroline C Henson, Susan E Davidson, Claire E Higham
BACKGROUND: Pelvic radiotherapy is a treatment delivered to an estimated 150,000 to 300,000 people annually across high-income countries. Fractures due to normal stresses on weakened bone due to radiotherapy are termed insufficiency fractures. Pelvic radiotherapy-related interruption of the blood supply to the hip is termed avascular necrosis and is another recognised complication. The reported incidences of insufficiency fractures are 2.7% to 89% and risk of developing avascular necrosis is 0...
April 23, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29683141/development-of-subject-specific-proximal-femur-finite-element-models-of-older-adults-with-obesity-to-evaluate-the-effects-of-weight-loss-on-bone-strength
#13
S L Schoell, A A Weaver, D P Beavers, Leon Lenchik, A P Marsh, W J Rejeski, J D Stitzel, K M Beavers
Study background: Recommendation of intentional weight loss in older adults remains controversial, due in part to the loss of bone mineral density (BMD) known to accompany weight loss. While finite element (FE) models have been used to assess bone strength, these methods have not been used to study the effects of weight loss. The purpose of this study is to develop subject-specific FE models of the proximal femur and study the effect of intentional weight loss on bone strength. Methods: Computed tomography (CT) scans of the proximal femur of 25 overweight and obese (mean BMI=29...
2018: Journal of osteoporosis and physical activity
https://www.readbyqxmd.com/read/29682724/neutrophil-phenotypes-in-health-and-disease
#14
REVIEW
Pien Hellebrekers, Nienke Vrisekoop, Leo Koenderman
Neutrophils are one of the most important effector cells of the innate immune response(1). They are traditionally seen as a homogenous population of short lived cells mainly involved in the defense against extracellular micro-organisms by phagocytosis and intracellular killing(1,2). The cells contain a large armamentarium that aids in this function and ranges from the production of reactive oxygen species by a membrane-bound NADPH oxidase to cytotoxic proteins and peptides residing in the different granules present in the cytoplasm(3)...
April 23, 2018: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29682298/tenofovir-alafenamide-versus-tenofovir-disoproxil-fumarate-is-there-a-true-difference-in-efficacy-and-safety
#15
EDITORIAL
Andrew Hill, Sophie L Hughes, Dzintars Gotham, Anton L Pozniak
Background: Higher plasma tenofovir concentrations are associated with higher risks of renal and bone adverse events. The pharmacokinetic boosters ritonavir (RTV) and cobicistat (COBI) significantly increase plasma area under the curve (AUC) concentrations of tenofovir disoproxil fumarate (TDF), by 25-37%. When combined with RTV or COBI, the dose of tenofovir alafenamide (TAF) is lowered from 25 mg to 10 mg daily, but the TDF dose is maintained at 300 mg daily. Objective: To assess the differences in safety and efficacy between tenofovir alafenamide (TAF) and tenofovir disoproxil fumarate (TDF) in regimens with and without the pharmacokinetic boosters RTV and COBI...
April 1, 2018: Journal of Virus Eradication
https://www.readbyqxmd.com/read/29681513/antimicrobial-consumption-and-resistance-in-adult-hospital-inpatients-in-53-countries-results-of-an-internet-based-global-point-prevalence-survey
#16
Ann Versporten, Peter Zarb, Isabelle Caniaux, Marie-Françoise Gros, Nico Drapier, Mark Miller, Vincent Jarlier, Dilip Nathwani, Herman Goossens
BACKGROUND: The Global Point Prevalence Survey (Global-PPS) established an international network of hospitals to measure antimicrobial prescribing and resistance worldwide. We aimed to assess antimicrobial prescribing and resistance in hospital inpatients. METHODS: We used a standardised surveillance method to collect detailed data about antimicrobial prescribing and resistance from hospitals worldwide, which were grouped by UN region. The internet-based survey included all inpatients (adults, children, and neonates) receiving an antimicrobial who were on the ward at 0800 h on one specific day between January and September, 2015...
April 19, 2018: Lancet Global Health
https://www.readbyqxmd.com/read/29681244/orthopedic-knowledge-and-need-in-the-provincial-philippines-pilot-study-of-a-population-based-survey
#17
Christopher S Courtney, Thomas D Kirsch
IntroductionInterventions to reduce disability from acute orthopedic injuries require a primary assessment of knowledge and need. There are no previous studies to assess this need in the remote provincial islands of the Philippines, an area recurrently affected by natural disaster.ProblemA preliminary assessment of orthopedic knowledge and need was performed to be expanded for regional or national implementation. METHODS: Two independent surveys were conducted of households and mid-level providers who represent the first contact of care...
April 23, 2018: Prehospital and Disaster Medicine
https://www.readbyqxmd.com/read/29680042/characteristics-and-nutritional-value-of-whole-wheat-cracker-fortified-with-tuna-bone-bio-calcium-powder
#18
Soottawat Benjakul, Supatra Karnjanapratum
Whole wheat cracker fortified with tuna bone bio-calcium (Bio-Ca) powder was developed as health-promoting food rich in calcium. Fortification with different levels of Bi-Ca, over the range of 0-50% of whole wheat flour (w/w) on quality and sensory properties of crackers, were determined. Color, thickness, weight and textural properties of crackers varied with the different levels of Bio-Ca powder added, but it was found that up to 30% could be added without detrimental effect on sensory properties. Scanning electron microscopic images showed that the developed crackers were less porous and had a denser structure, compared to the control...
September 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29679986/development-and-relative-validation-of-a-food-frequency-questionnaire-for-french-canadian-adolescent-and-young-adult-survivors-of-acute-lymphoblastic-leukemia
#19
Sophia Morel, Olivia Portolese, Yasmine Chertouk, Jade Leahy, Laurence Bertout, Caroline Laverdière, Maja Krajinovic, Daniel Sinnett, Emile Levy, Valérie Marcil
BACKGROUND: Survivors of childhood acute lymphoblastic leukemia (cALL) experience cardiometabolic and bone complications after treatments. This study aimed at developing and validating an interview-administrated food frequency questionnaire (FFQ) that will serve to estimate the impact of nutrition in the development of long-term sequalea of French-Canadian cALL survivors. METHODS: The FFQ was developed to assess habitual diet, Mediterranean diet score, nutrients promoting bone health and antioxidants...
April 21, 2018: Nutrition Journal
https://www.readbyqxmd.com/read/29679859/the-relationship-of-age-activity-and-body-size-on-osteoarthritis-in-weight-bearing-skeletal-regions
#20
Stephanie E Calce, Helen K Kurki, Darlene A Weston, Lisa Gould
This study examined the simultaneous impact of multiple underlying factors on OA expression in weight-bearing joints of the vertebrae and lower limb of a modern European skeletal sample (Lisbon and Sassari). OA was evaluated using standard ranked categorical scoring; composite OA scores derived through principal component analysis. Body size was calculated from postcranial measurements; torsional strength (J) of the femoral midshaft was calculated from three-dimensional surface models, size standardized and used as a proxy for activity...
April 18, 2018: International Journal of Paleopathology
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