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Osteoporosis calcium

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https://www.readbyqxmd.com/read/29242963/effect-of-strontium-ranelate-on-the-muscle-and-vertebrae-of-ovariectomized-rats
#1
D Saul, B Harlas, A Ahrabi, R L Kosinsky, D B Hoffmann, M Wassmann, R Wigger, K O Böker, S Sehmisch, M Komrakova
Osteoporosis is often accompanied by sarcopenia. The effect of strontium ranelate (SR) on muscle tissue has not been investigated sufficiently. In this study, the effect of different SR treatments on muscle was studied. Additionally, the lumbar vertebrae were analyzed. Three-month-old female rats were divided into five groups (n = 12): Group 1: untreated (NON-OVX); Group 2: ovariectomized and left untreated (OVX); Group 3: SR after OVX until the study ended (13 weeks, SR prophylaxis and therapy = pr+th); Group 4: OVX and SR for 8 weeks (SR prophylaxis = pr); Group 5: SR for 5 weeks from the 8 week after OVX (SR therapy = SR th)...
December 14, 2017: Calcified Tissue International
https://www.readbyqxmd.com/read/29239997/predisposing-risk-factors-and-stress-fractures-in-division-i-cross-country-runners
#2
Kaci L Giffin, Kathy B Knight, Martha A Bass, Melinda W Valliant
The purpose of this study was to explore factors associated with increased stress fractures in collegiate cross country runners. Participants in this study were 42 male and female cross country runners at a Division I university. Each athlete completed a questionnaire regarding smoking status, vitamin/mineral intake, previous stress fracture history, birth control usage, menstrual status, and demographic information. Nutritional assessment via a 3-day food record and measurements of whole body, lumbar spine, and hip bone mineral densities (BMD) were also conducted on each athlete...
November 11, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29238472/vitamin-e-improved-bone-strength-and-bone-minerals-in-male-rats-given-alcohol
#3
Syuhada Zakaria, Siti-Zulaikha Mat-Husain, Kong Ying-Hwey, Kek Xin-Kai, Abdullah Mohd-Badawi, Nurul-Amiza Abd-Ghani, Muhamad-Arizi Aziz, Norazlina Mohamed
Objectives: Alcohol consumption induces oxidative stress on bone, which in turn increases the risk of osteoporosis. This study determined the effects of vitamin E on bone strength and bone mineral content in alcohol-induced osteoporotic rats. Materials and Methods: Three months old Sprague Dawley male rats were randomly divided into 5 groups: (I) control group; (II) alcohol (3g/kg) + normal saline; (III) alcohol (3g/kg) + olive oil; (IV) alcohol (3g/kg) + alpha-tocopherol (60mg/kg) and (V) alcohol (3g/kg) + palm vitamin E (60mg/kg)...
December 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/29228439/beneficial-effects-of-low-level-laser-irradiation-on-senile-osteoporosis-in-rats
#4
C-T Zhu, T Li, P Zhang, M Zou, Q Guo, X-W Qu
OBJECTIVE: To investigate the effect of low-level laser irradiation (LLLI) on bone mineral density (BMD), bone structures, bone biomechanical properties and bone metabolism in senile osteoporosis, and to explore a relatively more secure and effective way to prevent and treat osteoporosis. MATERIALS AND METHODS: Sprague-Dawley (SD) male rats at different age stages (4 months old, 12 months old and 20 months old) were selected and randomly divided into six groups...
November 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29214357/investigation-and-analysis-of-osteoporosis-falls-and-fragility-fractures-in-elderly-people-in-the-beijing-area-a-study-on-the-bone-health-status-of-elderly-people-%C3%A2-%C3%A2-80%C3%A2-years-old-with-life-self-care
#5
Jian Zhou, Ming-Zhao Qin, Qian Liu, Jin-Ping Liu
Among ≥ 80 years old and under life self-care in the Beijing area, the prevalences of osteoporosis, falls, and fragility fracture were high; and these prevalences were even higher in women. The treatment rate of osteoporosis is very low. Therefore, comprehensive and standardized prevention and treatment should be promoted. PURPOSE: The purpose of this study is to investigate prevalence of osteoporosis, falls, and fragility fractures in this population, and analyze related factors, in order to provide a basis for standardized prevention and treatment...
December 6, 2017: Archives of Osteoporosis
https://www.readbyqxmd.com/read/29211449/novel-reduced-graphene-oxide-zinc-silicate-calcium-silicate-electroconductive-biocomposite-for-stimulating-osteoporotic-bone-regeneration
#6
Kun Xiong, Tingting Wu, Qingbo Fan, Lin Chen, Minhao Yan
In the absence of external assistance autogenous healing of bone fracture is difficult due to an impaired regeneration ability under osteoporosis pathological condition. In this study, a reduced graphene oxide-zinc silicate-calcium silicate (RGO-ZS-CS) conductive biocomposite with an optimal surface electroconductivity of 5625 S/m was prepared by a two-step spin-coating method. The presence of lamellar apatite nanocrystals on the surfaces of the biocomposite, suggest that it has good in vitro biomineralization compatability...
December 6, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29208280/formulation-and-biological-actions-of-nano-bioglass-ceramic-particles-doped-with-calcarea-phosphorica-for-bone-tissue-engineering
#7
S Dinesh Kumar, K Mohamed Abudhahir, N Selvamurugan, S Vimalraj, R Murugesan, N Srinivasan, A Moorthi
The improvisation of the treatment procedures for treating the various kind of bone defects such as, bone or dental trauma and for diseases such as osteoporosis, osteomyelitis etc., need the suitable and promising biomaterials with resemblance of bone components. Bioactive glass ceramic (BGC) has recently acquired great attention as the most promising biomaterials; hence it has been widely applied as a filler material for bone tissue regeneration. Because it elicts specific biological responses after implantation in addition more potential in formation of strong interface with both hard and soft tissues by dissolution of calcium and phosphate ions...
February 1, 2018: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/29208173/transforming-growth-factor-%C3%AE-1-gene-polymorphism-and-osteoporosis-in-postmenopausal-egyptian-women
#8
Inass M Taha, Azza M Abdu Allah, Maha A F Hamoudah, S Justin Carlus
Transforming growth factor-β1 (TGF-β1) is a wide spread bone matrix protein that affect the function, formation and cell-cell interactions of osteoclasts and osteoblasts to regulate bone remodeling and sustain adequate bone mass. The aim of this study is to evaluate the role of the two polymorphism of transforming growth factor-β1 T869C and C-509T in developing osteoporosis in postmenopausal Egyptian women. This study was performed on 138 postmenopausal osteoporosis/osteopenic women and 128 postmenopausal female control group...
November 30, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/29207799/change-in-bone-mineral-density-and-role-of-vitamin-d-and-calcium-supplementation-during-treatment-of-first-episode-nephrotic-syndrome
#9
Virendra Kumar Yadav, Shobha Sharma, Pradeep Kumar Debata, Seema Patel, Bhaskar C Kabi, Kailash Chandra Aggrawal
Introduction: Nephrotic Syndrome (NS) is one of the common illnesses in childhood. Oral glucocorticoids are mainstay of treatment, which are known to cause various short term and long term adverse effects including osteoporosis. Children with first episode and infrequent relapsing NS are not prescribed Calcium (Ca) and Vitamin D (VitD) supplements routinely. Aim: To observe change in Bone Mineral Density (BMD) in children during first episode of NS and role of VitD and Ca supplementation during the treatment of first episode of NS...
September 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/29207221/-therapy-of-glucocorticoid-induced-osteoporosis
#10
REVIEW
Marta Arazzi, Giorgia Di Fulvio, Lorenzo Ottavio Di Pietro, Xhensila Grabocka, Maria Olimpia Longo, Gabriella Micioni, Alessandro Pezzutto, Luca Piscitani, Alessandra Schiazza, Simona Silvestri, Giacinta Vigilante, Luigi Amoroso, Mario Bonomini
Glucocorticoid-induced osteoporosis (GIO) is a major cause of secondary osteoporosis that starts early after the beginning of therapy even for low drug doses. Glucocorticoids are used for the treatment of immunologic nephropathies and in the setting of kidney transplant. In clinical practice, a number of algorithms are available; they allow us to estimate the long-term risk of major osteoporotic fracture; but none of them is specific for GIO. To date, the therapeutic approach comprises both general measures aimed at correcting calcium and vitamin D intake, and drugs (bisphosphonates, teriparatide, hormone replacement therapy, denosumab) that ameliorate bone mineral density and patient outcomes...
December 5, 2017: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/29204757/prevalence-of-comorbidities-and-evaluation-of-screening-in-chinese-patients-with-spondyloarthritis
#11
Yutong Jiang, Pingping Zhang, Liudan Tu, Qing Lv, Jun Qi, Zhiming Lin, Zetao Liao, Shuangyan Cao, Jieruo Gu
The aim of the study was to determine whether the presence of spondyloarthritis (SpA) is associated with particular comorbidities and evaluate the prevalence of comorbidities, risk factors, and monitoring status in China. Three hundred forty-six patients fulfilling ASAS criteria for SpA were recruited from the Third Affiliated Hospital of Sun Yat-sen University. The prevalence of comorbidities and percentage of patients optimally monitored for comorbidities were calculated. The most frequent comorbidities were osteoporosis (31...
December 4, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/29196083/the-good-and-the-bad-about-the-2017-american-college-of-physicians-osteoporosis-guidelines
#12
Violet Lagari, Tara Gavcovich, Silvina Levis
PURPOSE: The American College of Physicians (ACP) published a set of guidelines on how to prevent fractures in men and women with low bone density or osteoporosis. As the population ages, the overall risk of fractures increases, thus burdening the health care system. These guidelines review current evidence for osteoporosis management, providing an update to the previous 2008 ACP's guidelines. METHODS: The ACP put forth 6 recommendations addressing the complexities in osteoporosis management based on evidence available through October 2016 with a focus on bisphosphonates, calcium, vitamin D, and estrogen...
November 28, 2017: Clinical Therapeutics
https://www.readbyqxmd.com/read/29194609/using-the-connectivity-map-to-discover-compounds-influencing-human-osteoblast-differentiation
#13
A M Brum, J van de Peppel, L Nguyen, A Aliev, M Schreuders-Koedam, T V Gajadien, C S van der Leije, A van Kerkwijk, M Eijken, J P T M van Leeuwen, B C J van der Eerden
Osteoporosis is a common skeletal disorder characterized by low bone mass leading to increased bone fragility and fracture susceptibility. Identification of factors influencing osteoblast differentiation and bone formation is very important. Previously, we identified parbendazole to be a novel compound that stimulates osteogenic differentiation of human mesenchymal stromal cells (hMSCs), using gene expression profiling and bioinformatic analyses, including the Connectivity Map (CMap), as an in-silico approach...
December 1, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29193274/melatonin-therapy-reduces-the-risk-of-osteoporosis-and-normalizes-bone-formation-in-multiple-sclerosis
#14
Majid Ghareghani, Linda Scavo, Damien Arnoult, Kazem Zibara, Naser Farhadi
Multiple sclerosis (MS) is a common autoimmune and neurodegenerative disease of the central nervous system. Serum levels of melatonin decrease in MS patients who are also at risk of osteoporosis. Procalcitonin (proCT) has been reported as a biomarker of systemic inflammation and autoimmune disease, however, its changes in MS patients has not been well explored. This study investigated, using ELISA, the clinical correlation between serum melatonin and proCT in MS patients. We then assessed the effect of melatonin (10mg/kg) therapy on bone metabolism and osteoporosis in experimental autoimmune encephalomyelitis (EAE) model of MS and in MS patients...
November 28, 2017: Fundamental & Clinical Pharmacology
https://www.readbyqxmd.com/read/29188893/therapeutic-role-of-punica-granatum-pomegranate-seed-oil-extract-on-bone-turnover-and-resorption-induced-in-ovariectomized-rats
#15
N Z Shaban, I M Talaat, F H Elrashidy, A Y Hegazy, A S Sultan
CONTEXT: Postmenopausal osteoporosis is mostly caused by increased bone remodeling resulting from estrogen deficiency. Hormone replacement therapy (HRT) is used to prevent osteoporosis, but it increases the risk for breast cancer, thromboembolism, strokes, and heart attacks. Pomegranate seed oil extract (SOE) is rich in phytoestrogen and antioxidant compounds. OBJECTIVES: To evaluate the therapeutic role of SOE against bone turnover, resorption and osteoporosis induced in ovariectomized rats as a postmenopausal model and comparing the results with those from Generic CycloProgynova drug (D)...
2017: Journal of Nutrition, Health & Aging
https://www.readbyqxmd.com/read/29184339/bone-health-in-patients-with-epilepsy-a-community-based-pilot-nested-case-control-study
#16
Shweta Singla, Sandeep Kaushal, Shalini Arora, Gagandeep Singh
Background: Antiepileptic drugs (AEDs) adversely affect bone health and there are reports describing association of alternations of bone and mineral metabolism in epileptic patients. Objectives: This study was undertaken to evaluate the bone profile (bone mineral parameters and bone mineral density [BMD]) of patients with epilepsy and compare them to their age-, gender-, and socioeconomic status-matched healthy controls in a community. Materials and Methods: This was a nested case-control study conducted in fifty individuals, which included 25 cases (age above 18 years and on AEDs for at least 3 years) for which 25 controls were selected from the same community...
October 2017: Annals of Indian Academy of Neurology
https://www.readbyqxmd.com/read/29181264/evaluation-of-bone-mineral-density-and-related-parameters-in-patients-with-haemophilia-a-single-center-cross-sectional-study
#17
Hatice Demet Kiper Unal, Melda Comert Ozkan, Fatos Dilan Atilla, Zuhal Demirci, Nur Soyer, Ilgin Yildirim Simsir, Ozgur Omur, Kazim Capaci, Guray Saydam, Fahri Sahin
Haemophilia has been associated with low bone mineral density (BMD) probably due to some predisposing factors. The aim of this study was to evaluate the relationship between BMD and potential clinical predictors in adult haemophilic patients. Fortynine patients with moderate and severe haemophilia were enrolled. BMD was measured by Dual Energy X-Ray Absorptiometry (DXA) and blood tests were performed for vitamin D, calcium, phosphore, alkaline phosphatase and parathormone levels. Functional Independence Score in Haemophilia (FISH) and Haemophilia Joint Health Score (HJHS) were used to assess musculoskeletal functions...
2017: American Journal of Blood Research
https://www.readbyqxmd.com/read/29169584/calcium-in-the-prevention-of-postmenopausal-osteoporosis-emas-clinical-guide
#18
Antonio Cano, Peter Chedraui, Dimitrios G Goulis, Patrice Lopes, Gita Mishra, Alfred Mueck, Levent M Senturk, Tommaso Simoncini, John C Stevenson, Petra Stute, Pauliina Tuomikoski, Margaret Rees, Irene Lambrinoudaki
INTRODUCTION: Postmenopausal osteoporosis is a highly prevalent disease. Prevention through lifestyle measures includes an adequate calcium intake. Despite the guidance provided by scientific societies and governmental bodies worldwide, many issues remain unresolved. AIMS: To provide evidence regarding the impact of calcium intake on the prevention of postmenopausal osteoporosis and critically appraise current guidelines. MATERIALS AND METHODS: Literature review and consensus of expert opinion...
January 2018: Maturitas
https://www.readbyqxmd.com/read/29146231/is-hungry-bone-syndrome-a-cause-of-postoperative-hypocalcemia-after-total-thyroidectomy-in-thyrotoxicosis-a-prospective-study-with-bone-mineral-density-correlation
#19
Poongkodi Karunakaran, Chandrasekaran Maharajan, Srinivasan Ramalingam, Suresh Venkatesh Rachmadugu
BACKGROUND: Hungry bone syndrome is a well-established cause of postoperative hypocalcemia in thyrotoxicosis. To date, the incidence of hungry bone syndrome after total thyroidectomy is unclear. This prospective study examined the incidence of postthyroidectomy hungry bone syndrome and its correlation with preoperative bone mineral density. METHODS: Forty thyrotoxic subjects (Group A; age: mean ± SD; 36.5 ± 9.8 years) and 40 euthyroid controls with benign thyroid nodules (Group B) undergoing total thyroidectomy were evaluated for preoperative bone mineral density and serum calcium, magnesium, phosphorus, parathyroid hormone, alkaline phosphatase, and 25-Hydroxy Vitamin D serially...
November 14, 2017: Surgery
https://www.readbyqxmd.com/read/29145296/approach-to-the-patient-with-pregnancy-and-lactation-associated-osteoporosis-a-case-report-and-a-review-of-the-literature
#20
REVIEW
Min Zhang, Ping Chen, Bin Li, Juan Du, Ting Pan, Jingyan Chen
RATIONALE: Pregnancy and lactation-associated osteoporosis (PLO) is very rare, but it can cause severe vertebral compression fractures with disabling back pain. Although it is a rare, PLO must be kept in mind in the differential diagnosis in patients presenting with low back pain during or after pregnancy. PATIENT CONCERNS: A 23-year-old woman who suffered from lumbago and fractures in the vertebral column 1 month after delivery. DIAGNOSIS: Pregnancy and lactation-associated osteoporosis...
November 2017: Medicine (Baltimore)
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