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osteoporosis and vitamin d

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https://www.readbyqxmd.com/read/28222408/severe-osteoporosis-with-multiple-spontaneous-vertebral-fractures-in-a-young-male-carrying-triple-polymorphisms-in-the-vitamin-d-receptor-collagen-type-1-and-low-density-lipoprotein-receptor-related-peptide-5-genes
#1
Maria P Yavropoulou, Panagoulia Kollia, Dimitris Chatzidimitriou, Stavroula Samara, Lemonia Skoura, John G Yovos
: Osteoporosis is a common disease with a strong genetic component. Several studies have reported the vitamin D receptor (VDR), collagen type I (COL1A1), and LDL receptor-related protein 5 (LRP5) genes as the most likely candidates. However, most of the studies have been carried out in postmenopausal women and older men and show inconsistent results. CASE PRESENTATION: We report a case of a 26-year old male who presented with severe back pain of acute onset, unrelated to any kind of trauma, and diffuse myalgia...
October 2016: Hormones: International Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28220389/polymorphisms-in-key-bone-modulator-cytokines-genes-influence-bisphosphonates-therapy-in-postmenopausal-women
#2
C A D Lima, N R Javorski, A P O Souza, A D Barbosa, A P M C Valença, S Crovella, P R E Souza, J De Azevedo Silva, P Sandrin-Garcia
Osteoporosis is a multifactorial and debilitating disease resulting from decreased bone mineral density (BMD) and loss of tissue microarchitecture. Ineffective therapies may lead to bone fractures and subsequent death. Single nucleotide polymorphisms (SNPs) in key immune regulator genes have been associated with therapeutic response to bisphosphonates, which are the first therapeutic line of choice for osteoporosis. However, cytokine pathways and their relation with therapeutic adhesion remain to be fully elucidated...
February 21, 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/28217686/pregnancy-related-osteoporosis-and-spinal-fractures
#3
Ka Yeong Yun, Si Eun Han, Seung Chul Kim, Jong Kil Joo, Kyu Sup Lee
Pregnancy-related osteoporosis is a very rare condition characterized by the occurrence of fracture during pregnancy or the puerperium. Despite its relative rarity, it can be a dangerous condition that causes severe back pain, height loss and disability. Normal physiologic changes during pregnancy, genetic or racial difference, obstetrical history and obstetrical disease, such as preterm labor or pregnancy-induced hypertension, are presumed risk factors of pregnancy-related osteooporosis. However, exact etiology and pathogenesis are uncertain...
January 2017: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/28217672/effects-of-vitamin-d-deficiency-and-daily-calcium-intake-on-bone-mineral-density-and-osteoporosis-in-korean-postmenopausal-woman
#4
Seung Joo Chon, Yae Kyu Koh, Jin Young Heo, Jinae Lee, Min Kyoung Kim, Bo Hyon Yun, Byung Seok Lee, Seok Kyo Seo
OBJECTIVE: We evaluated the combined effects of vitamin D and daily calcium intake on bone mineral density (BMD) and osteoporosis in Korean postmenopausal women. METHODS: This study is a cross-sectional study consisting of 1,921 Korean postmenopausal women aged 45 to 70 years without thyroid dysfunction, from the 2008-2011 Korean National Health and Nutrition Examination Survey. Participants were classified into six groups according to serum 25-hydroxyvitamin D (25(OH)D) levels and daily calcium intake...
January 2017: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/28216630/smurf2-regulates-bone-homeostasis-by-disrupting-smad3-interaction-with-vitamin-d-receptor-in-osteoblasts
#5
Zhan Xu, Matthew B Greenblatt, Guang Yan, Heng Feng, Jun Sun, Sutada Lotinun, Nicholas Brady, Roland Baron, Laurie H Glimcher, Weiguo Zou
Coordination between osteoblasts and osteoclasts is required for bone health and homeostasis. Here we show that mice deficient in SMURF2 have severe osteoporosis in vivo. This low bone mass phenotype is accompanied by a pronounced increase in osteoclast numbers, although Smurf2-deficient osteoclasts have no intrinsic alterations in activity. Smurf2-deficient osteoblasts display increased expression of RANKL, the central osteoclastogenic cytokine. Mechanistically, SMURF2 regulates RANKL expression by disrupting the interaction between SMAD3 and vitamin D receptor by altering SMAD3 ubiquitination...
February 20, 2017: Nature Communications
https://www.readbyqxmd.com/read/28216151/vitamin-d-in-adolescents-are-current-recommendations-enough
#6
Taryn J Smith, Susan A Lanham-New, Kathryn H Hart
Vitamin D is essential for bone development during adolescence and low vitamin D status during this critical period of growth may impact bone mineralization, potentially reducing peak bone mass and consequently increasing the risk of osteoporosis in adulthood. Therefore, the high prevalence of vitamin D inadequacy and deficiency in adolescent populations is of great concern. However, there is currently a lack of consensus on the 25-hydroxyvitamin D [25(OH)D] concentration, the widely accepted biomarker of vitamin D status, that defines adequacy, and the vitamin D intake requirements to maintain various 25(OH)D thresholds are not well established...
February 16, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28205055/effectiveness-of-calcifediol-in-improving-muscle-function-in-post-menopausal-women-a-prospective-cohort-study
#7
Giovanni Iolascon, Antimo Moretti, Alessandro de Sire, Dario Calafiore, Francesca Gimigliano
INTRODUCTION: The role of vitamin D supplementation on muscle function and physical performance is still debated. Calcifediol is an available treatment for hypovitaminosis D, particularly for extra-skeletal effects. Aim of this prospective cohort study was to evaluate the effectiveness of calcifediol on serum levels of 25(OH)D3, appendicular muscle strength, physical performance, and prevention of falls in post-menopausal women. METHODS: We recruited post-menopausal women aged ≥50 years, referring to an outpatient service for the management of osteoporosis over a 18-month period...
February 15, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28201922/diagnosis-of-osteoporosis-in-rural-arctic-greenland-a-clinical-case-using-plain-chest-radiography-for-secondary-prevention-and-consideration-of-tools-for-primary-prevention-in-remote-areas
#8
Inuuteq Fleischer, Louise K Schæbel, Nadja Albertsen, Vibeke N Sørensen, Stig Andersen
CONTEXT: Osteoporosis is a frequent disease in many populations. The hallmark is fragility fractures, which are harbingers of future fractures, disability, mortality and cost on society. The occurrence increases with age, low vitamin D level and smoking. Smoking rates are high, vitamin D is low and life expectancy is rising steeply in Greenland, as is the need for focus on osteoporosis. We report a case that uses a simple and readily available tool to diagnose osteoporosis at the hospital in Sisimiut, a town of 5000 inhabitants on the west coast of Greenland...
January 2017: Rural and Remote Health
https://www.readbyqxmd.com/read/28179126/vitamin-d-deficiency-in-mothers-neonates-and-children
#9
Deena H Elsori, Majeda S Hammoud
Vitamin D is produced in response to the exposure of skin to sunlight through UV-B synthesis. It can also be obtained from diet and dietary supplements. Vitamin D is essential for strong bones as it helps to absorb calcium from diet. Vitamin D deficiency mainly occurs if strict vegetarian diet is followed as mostly the source of vitamin D is animal based; therefore, exposure to sunlight is restricted or having dark skin color. Low vitamin D levels results in increased possibility of gestational diabetes among pregnant women, low birth weight and pre-eclampsia in infants, and mothers may suffer bone impairment, osteoporosis, hypocalcaemia, and hypertension...
February 5, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28179094/pediatric-onset-inflammatory-bowel-disease-poses-risk-for-low-bone-mineral-density-at-early-adulthood
#10
Anat Guz-Mark, Firas Rinawi, Oxana Egotubov, Ilan Shimon, Raanan Shamir, Amit Assa
BACKGROUND: Inflammatory bowel disease (IBD) is known to pose a risk for low bone mineral density (BMD) in children and adults. We aimed to evaluate the impact of pediatric-onset IBD on BMD in adulthood. METHODS: Records of pediatric-IBD patients were retrospectively reviewed for documentation of dual-energy X-ray absorptiometry (DXA) scans in adulthood. BMD was expressed as z-score. RESULTS: Sixty one patients were included. Mean (±SD) age at diagnosis was 14...
January 20, 2017: Digestive and Liver Disease
https://www.readbyqxmd.com/read/28178628/25-hydroxyvitamin-d-1-%C3%AE-hydroxylase-in-apoliporotein-e-knockout-mice-the-role-of-protecting-vascular-smooth-muscle-cell-from-calcification
#11
Wei Xiang, Wang Liao, Zhuwen Yi, Xiaojie He, Yan Ding
Previous publications widely reported that 25-hydroxyvitamin D-1-α-hydroxylase (CYP27B1) regulated the metabolism of 25-hydroxyvitamin D3, which has a close association between altered activity of vitamin D and vascular calcification has been reported in various human diseases, including chronic kidney disease, osteoporosis and atherosclerosis. Vascular calcification is a clinically significant component of atherosclerosis and may be promoted by ROS associated inflammatory. In this study, we evaluated the effect of 25-hydroxyvitamin D-1-α-hydroxylase on the atherosclerosis disease both in apolipoprotein (apo) E-/- mice and wild-type mice...
February 5, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28177161/vdr-in-osteoblast-lineage-cells-primarily-mediates-vitamin-d-treatment-induced-increase-in-bone-mass-by-suppressing-bone-resorption
#12
Yuko Nakamichi, Nobuyuki Udagawa, Kanji Horibe, Toshihide Mizoguchi, Yoko Yamamoto, Takashi Nakamura, Akihiro Hosoya, Shigeaki Kato, Tatsuo Suda, Naoyuki Takahashi
Long-term treatment with active vitamin D [1α,25(OH)2 D3 ] and its derivatives is effective for increasing bone mass in patients with primary and secondary osteoporosis. Derivatives of 1α,25(OH)2 D3 , including eldecalcitol (ELD), exert their actions through the vitamin D receptor (VDR). ELD is more resistant to metabolic degradation than 1α,25(OH)2 D3 . It is reported that ELD treatment causes a net increase in bone mass by suppressing bone resorption rather than by increasing bone formation in animals and humans...
February 8, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28164599/evaluation-of-an-automated-competitive-protein-binding-assay-for-25-hydroxyvitamin-d
#13
Stephan H Scharla, Uta G Lempert
BACKGROUND: The measurement of 25-hydroxyvitamin D is of increasing importance in the management of patients with mineral disorders. However, there are a great variety of test results for 25-hyroxyvitamin D depending on the method used. In this report a new automated method provided by Roche diagnostics (Elecsys Vitamin D Total assay) and the previously marketed method are compared to a reference method (Immundiagnostik ELISA). Further, we tested the new Roche method for its ability to monitor vitamin D supplementation...
September 1, 2016: Clinical Laboratory
https://www.readbyqxmd.com/read/28161839/osteoprotegerin-and-uremic-osteoporosis-in-chronic-hemodialysis-patients
#14
Diana Moldovan, Crina Rusu, Alina Potra, Ioan Moldovan, Ioan Mihai Patiu, Mirela Gherman-Caprioara, Ina Maria Kacso
INTRODUCTION: Osteoprotegerin (OPG) is a powerful inhibitor of osteoclast activity, and it plays an important role in bone metabolism. In hemodialysis (HD) patients, the relationship between OPG and bone mineral density (BMD) is important, but remains unclear yet. The study objective was to assess the OPG role related to uremic osteoporosis in HD patients. METHODS: This cross-sectional study has been realized on a cohort of 63 chronic HD patients. INCLUSION CRITERIA: elderly prevalent HD patients with an age over 55 years old...
February 4, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28161223/genetic-polymorphisms-in-the-esr1-and-vdr-genes-do-not-correlate-with-osteoporosis-in-patients-with-familial-dysautonomia
#15
David Cheishvili, Channa Maayan, Daniel M Sapozhnikov, Elad Lax, Rivka Dresner-Pollak
One of the major clinical manifestations of familial dysautonomia (FD)-a rare, neurodegenerative, autosomal-recessive disorder-is a high incidence and early onset of osteoporotic bone fractures. Early diagnosis is essential to initiate preventative therapy in at-risk patients and thus improve quality of life. However, the current lack of understanding of the complex relationship between FD and osteoporosis etiology precludes early diagnosis, and as such, accurate predictors of osteoporosis development in FD patients remain to be determined...
February 1, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28160246/hypogonadotropic-hypogonadism-in-males-with-glycogen-storage-disease-type-1
#16
Evelyn M Wong, Anna Lehman, Philip Acott, Jane Gillis, Daniel L Metzger, Sandra Sirrs
BACKGROUND: Glycogen storage disease type 1 is an autosomal recessive disorder with an incidence of 1 in 100,000. Long-term complications include chronic blood glucose lability, lactic academia, short stature, osteoporosis, delayed puberty, gout, progressive renal insufficiency, systemic or pulmonary hypertension, hepatic adenomas at risk for malignant transformation, anemia, vitamin D deficiency, hyperuricemic nephrocalcinosis, inflammatory bowel syndrome (type 1b), hypertriglyceridemia, and irregular menstrual cycles...
February 4, 2017: JIMD Reports
https://www.readbyqxmd.com/read/28155836/fracture-liaison-services-polish-experience-methods-of-secondary-prevention-of-osteoporotic-fractures
#17
Jarosław Amarowicz, Edward Czerwiński, Katarzyna Zając, Anna Kumorek
BACKGROUND: Fragility fractures are a major challenge to health systems around the world. The risk of a subsequent fracture may increase even 11-fold after one's first fracture event. A coordinator-based system (Fracture Liaison Services) was established in Poland in order to fill the gap in the care of patients with osteoporotic fractures. In the past years, the FLS has become a crucial part of orthopaedic facilities worldwide, bringing benefits to patients and savings to health systems' budgets...
November 30, 2016: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28155141/compliance-to-the-joint-commission-proposed-core-measure-set-on-osteoporosis-associated-fracture-review-of-different-secondary-fracture-prevention-programs-in-an-open-medical-system-from-2010-to-2015
#18
Ma Conchitina Fojas, Lauren T Southerland, Laura S Phieffer, Julie A Stephens, Tanya Srivastava, Steven W Ing
: There are care gaps in the evaluation and treatment of osteoporosis after a fragility fracture. The Joint Commission is considering adoption of core measures. We compared compliance between two secondary fracture prevention programs in our institution. Incorporating strengths of both may provide the best outcomes for secondary fracture prevention. PURPOSE: There are significant care gaps in the evaluation and treatment of osteoporosis after occurrence of fragility fracture...
December 2017: Archives of Osteoporosis
https://www.readbyqxmd.com/read/28154943/validity-of-height-loss-as-a-predictor-for-prevalent-vertebral-fractures-low-bone-mineral-density-and-vitamin-d-deficiency
#19
A L Mikula, S J Hetzel, N Binkley, P A Anderson
: Many osteoporosis-related vertebral fractures are unappreciated but their detection is important as their presence increases future fracture risk. We found height loss is a useful tool in detecting patients with vertebral fractures, low bone mineral density, and vitamin D deficiency which may lead to improvements in patient care. INTRODUCTION: This study aimed to determine if/how height loss can be used to identify patients with vertebral fractures, low bone mineral density, and vitamin D deficiency...
February 3, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28144165/osteosarcopenic-obesity-in-women-impact-prevalence-and-management-challenges
#20
REVIEW
Pegah JafariNasabian, Julia E Inglis, Owen J Kelly, Jasminka Z Ilich
Osteosarcopenic obesity syndrome (OSO) has recently been identified as a condition encompassing osteopenia/osteoporosis, sarcopenia and obesity. OSO is especially deleterious in older adults (even if they are not obese by conventional measures), due to age-related redistribution of fat and its infiltration into bone and muscle. Osteoporosis and bone fractures in elderly increase the risk of sarcopenia, which, through decreased mobility, increases the risk of more falls and fractures, creating a vicious cycle...
2017: International Journal of Women's Health
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