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calcium supplement

Ruchita Dixit, Sowmya Nettem, Simerjit S Madan, Htoo Htoo Kyaw Soe, Adinegara Bl Abas, Leah D Vance, Patrick J Stover
BACKGROUND: Sickle cell disease (SCD) is a group of disorders that affects haemoglobin, which causes distorted sickle- or crescent-shaped red blood cells. It is characterized by anaemia, increased susceptibility to infections and episodes of pain. The disease is acquired by inheriting abnormal genes from both parents, the combination giving rise to different forms of the disease. Due to increased erythropoiesis in people with SCD, it is hypothesized that they are at an increased risk for folate deficiency...
March 16, 2018: Cochrane Database of Systematic Reviews
Michaël R Laurent
An overview of selected papers related to bone published in 2017 is provided. PURPOSE: This paper accompanies a lecture at the 2018 Belgian Bone Club annual Clinical Update Symposium held in Brussels on January 20th, discussing the best papers (in the opinion of the author) published in the previous year. METHODS: A PubMed search using the keyword "bone" and articles published in 2017. RESULTS: Hot topics include screening for osteoporosis, novel anabolic drugs such as romosozumab and abaloparatide for osteoporosis and rare metabolic bone diseases, as well as long-term efficacy of denosumab and possible risk of multiple vertebral fractures following its discontinuation...
March 15, 2018: Archives of Osteoporosis
Hai-Tao Hou, Ya-Nan Wang, Shi-Ze Shao, Song Fu, Xiang-Peng Huang, Xiao-Hui Wang
Dietary calcium (Ca) supplementation has beneficial effects on bone health. However, it is not clear whether a high calcium diet (HCD) following 5/6 nephrectomy (5/6 Nx) is beneficial to bone health. The aim of the present study was to examine the effects of an HCD on bone metabolism using a chronic kidney disease (CKD) mouse model. Male C57BL/6J mice were divided into three groups: Sham group, 5/6 Nx group and 5/6 Nx + HCD group. Mice were sacrificed 12 weeks post-surgery. Calcium (Ca) and creatinine (Cr) were measured using standard colorimetric methods and picric acid methods, respectively...
April 2018: Experimental and Therapeutic Medicine
Jamal Abdul Nasir, Muhammad Imran, Syed Arif Ahmed Zaidi
Vitamin D deficiency is an emerging health concern around the world, highly prevalent in south Asian population, despite abundant sunlight. In Pakistan, all age groups are vulnerable to Vitamin D deficiency including pregnant women. This systematic review aimed to determine the pattern of Vitamin D deficiency among Pakistani pregnant women as well as exploring the causes and possible interventions that have had a substantial effect on improving the vitamin D level. Three databases (PubMed, Pub Get and Google Scholar), for the present review up to 2016, were used for the identification of published peer reviewed original relevant studies regarding Vitamin D deficiency among Pakistani pregnant women with the keywords Vitamin D or 25-hydroxyvitamin D or 25(OH)D in combination with pregnant women...
March 2018: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
Noushin Mohammadifard, Carolyn Gotay, Karin H Humphries, Andrew Ignaszewski, Ahmad Esmaillzadeh, Nizal Sarrafzadegan
Appropriate intake of micronutrient, such as electrolyte minerals is critical for the well-being of the cardiovascular health system. However, there are some debates regarding the impacts of dietary and/or supplemental intake of these minerals, on the risk of cardiovascular events and associated risk factors. High sodium intake is adversely associated with the risk of hypertension. Although many reports refered to the positive association of Na intake and cardiovascular events and all-cause mortality, however, other studies indicated that low Na intake is related to higher risk of all-cause mortality and HF-related events...
March 15, 2018: Critical Reviews in Food Science and Nutrition
Asmaa Y Elsary, Alkassem A Elgameel, Wael S Mohammed, Osman M Zaki, Shaimaa A Taha
To assess the prevalence of hypocalcemia in outpatient clinic neonates and its relation to vitamin D and calcium supplementation.  Methods: This cross-sectional analytical study was conducted at the University Teaching Hospital from May to October 2016. Data were collected from 100 neonates by interviewing mothers using a structured questionnaire; which included socio-demographic information, maternal and neonatal history; in addition to investigations of serum calcium total and ionized and serum vitamin D level...
March 2018: Saudi Medical Journal
Bei Tan, Pan Li, Hong Lv, Hong Yang, Yue Li, Ji Li, Ou Wang, Jiaming Qian
AIMS: To assess the necessity and efficacy of vitamin D supplementation in Chinese inflammatory bowel disease (IBD) patients with vitamin D insufficiency/deficiency. METHODS: Seventy-four ulcerative colitis (UC) patients and 71 Crohn's disease (CD) patients were randomly assigned into one of 3 arms for 12 months: Arm A (vitamin D3 150000IU per 3 months plus calcium 600mg oral daily); Arm B (calcium 600mg oral daily), and Arm C (vehicle control group), all in addition to conventional IBD treatment...
March 15, 2018: Journal of Digestive Diseases
Narendra Kotwal, Vimal Upreti, Amit Nachankar, K V S Hari Kumar
Context: The number of men afflicted with osteoporosis is unknown. Aims: This study aims to determine the prevalence of osteoporosis in men. Settings and Design: This was a prospective, observational study. Subjects and Methods: A total of 200 male attendants of patients attending endocrine outpatient department and who were >55 years were recruited for the study. All the patients with osteopenia and osteoporosis were advised lifestyle interventions, supplementation with calcium carbonate (1000-1500 mg/day) and 25-hydroxyl-Vitamin D (400-600 IU/day) and bisphosphonates if indicated...
January 2018: Indian Journal of Endocrinology and Metabolism
Kristina Glenske, Phil Donkiewicz, Alexander Köwitsch, Nada Milosevic-Oljaca, Patrick Rider, Sven Rofall, Jörg Franke, Ole Jung, Ralf Smeets, Reinhard Schnettler, Sabine Wenisch, Mike Barbeck
The regeneration of bone tissue is the main purpose of most therapies in dental medicine. For bone regeneration, calcium phosphate (CaP)-based substitute materials based on natural (allo- and xenografts) and synthetic origins (alloplastic materials) are applied for guiding the regeneration processes. The optimal bone substitute has to act as a substrate for bone ingrowth into a defect, as well as resorb in the time frame needed for complete regeneration up to the condition of restitution ad integrum . In this context, the modes of action of CaP-based substitute materials have been frequently investigated, where it has been shown that such materials strongly influence regenerative processes such as osteoblast growth or differentiation and also osteoclastic resorption due to different physicochemical properties of the materials...
March 12, 2018: International Journal of Molecular Sciences
Elvira Larqué, Eva Morales, Rosaura Leis, José E Blanco-Carnero
BACKGROUND: To what extent does the circulating 25-hydroxyvitamin D (25[OH]D) concentration help to meet the physiological needs of humans is an ongoing subject of debate. Remaining unexposed to the sun to reduce melanoma cancer risk, current lifestyle with less out door activities, and increasing obesity rates, which in turn increases the storage of vitamin D in the adipose tissue, are presumably factors that contribute to the substantial upsurge in the prevalence of vitamin D deficiency in humans...
March 13, 2018: Annals of Nutrition & Metabolism
Sabriye Arslan, Yasemin Akdevelioğlu
Nonclassical target organs recently defined for vitamin D, a major regulator of calcium phosphorus homeostasis and bone health, include reproductive ones. This compilation study focuses on the potential effects of vitamin D on female reproductive functions. Vitamin D receptor enzymes that metabolize vitamin D are expressed in both central and peripheral reproductive organs. Most studies suggest that vitamin D may be directly or indirectly related to gonadal functions. Vitamin D's effects on reproductive functions may be indirectly related to diseases such as polycystic ovary syndrome (PCOS), uterine leiomyomas, and endometriosis...
March 13, 2018: Journal of the American College of Nutrition
Bing Dong, Shaoshuai Liu, Chunlin Wang, Yunhe Cao
Objective: This study was designed to investigate the effects of an Aspergillus sulphureus xylanase expressed in Pichia pastoris on the growth performance, nutrient digestibility and gut microbes in weanling pigs. Methods: A total of 180 weanling pigs (initial body weights were 8.47 ± 1.40 kg) were assigned randomly to 5 dietary treatments. Each treatment had 6 replicates with 6 pigs per replicate. The experimental diets were wheat based with supplementation of 0, 500, 1000, 2000 and 4000 U xylanase/kg...
March 13, 2018: Asian-Australasian Journal of Animal Sciences
Mary R Rooney, Erin D Michos, Katie C Hootman, Lisa Harnack, Pamela L Lutsey
BACKGROUND: Long-term outcomes of supplemental calcium are inadequately understood. Recent research suggests that calcium from supplements may not be entirely free from unintended health consequences. Consequently, it is important to understand patterns and trends in use of calcium supplements. OBJECTIVE: To report trends in supplemental calcium intake between 1999 and 2014, using NHANES data, overall and stratified by sex, race/ethnicity and age. METHODS: A total of 42,038 adult NHANES participants were included in this analysis...
March 9, 2018: Bone
Jean Amiral, Maxime Laroche, Jerard Seghatchian
For many years, the importance of fibrinolysis has been recognized, first for its intravascular antithrombotic action, and more recently for its many extravascular activities, associated with matrix degradation and tissue remodeling. In the blood circulation system, fibrinolysis prevents thrombosis, and is associated with various biological and clinical situations: risk factors for cardio-vascular diseases in high risk clinical situations (type II diabetes, hypertension, triglycerides, high BMI, elevated glucose, etc...
February 20, 2018: Transfusion and Apheresis Science
V L N Brandao, X Dai, E M Paula, L G Silva, M I Marcondes, T Shenkoru, S R Poulson, A P Faciola
Camelina is a drought- and salt-tolerant oil seed, which in total ether extract (EE) contains up to 74% polyunsaturated fatty acids. The objective of this study was to assess the effects of replacing calcium salts of palm oil (Megalac, Church & Dwight Co. Inc., Princeton, NJ) with camelina seed (CS) on ruminal fermentation, digestion, and flows of fatty acids (FA) and AA in a dual-flow continuous culture system when supplemented at 5 or 8% dietary EE. Diets were randomly assigned to 8 fermentors in a 2 × 2 factorial arrangement of treatments in a replicated 4 × 4 Latin square design, with four 10-d experimental periods consisting of 7 d for diet adaptation and 3 d for sample collection...
March 7, 2018: Journal of Dairy Science
Magdalini Sachana, Alexandra Rolaki, Anna Bal-Price
The Adverse Outcome Pathways (AOPs) are designed to provide mechanistic understanding of complex biological systems and pathways of toxicity that result in adverse outcomes (AOs) relevant to regulatory endpoints. AOP concept captures in a structured way the causal relationships resulting from initial chemical interaction with biological target(s) (molecular initiating event) to an AO manifested in individual organisms and/or populations through a sequential series of key events (KEs), which are cellular, anatomical and/or functional changes in biological processes...
March 7, 2018: Toxicology and Applied Pharmacology
Wei Ling Lau, Yoshitsugu Obi, Kamyar Kalantar-Zadeh
Secondary hyperparathyroidism develops in CKD due to a combination of vitamin D deficiency, hypocalcemia, and hyperphosphatemia, and it exists in nearly all patients at the time of dialysis initiation. There is insufficient data on whether to prefer vitamin D analogs compared with calcimimetics, but the available evidence suggests advantages with combination therapy. Calcium derangements, patient adherence, side effects, and cost limit the use of these agents. When parathyroid hormone level persists >800 pg/ml for >6 months, despite exhaustive medical interventions, monoclonal proliferation with nodular hyperplasia is likely present along with decreased expression of vitamin D and calcium-sensing receptors...
March 9, 2018: Clinical Journal of the American Society of Nephrology: CJASN
Katsuhiko Nakatsukasa, Hiroshi Koyama, Yoshimi Ouchi, Kouichi Sakaguchi, Yoshifumi Fujita, Takayuki Matsuda, Makoto Kato, Eiichi Konishi, Tetsuya Taguchi
Adjuvant aromatase inhibitor (AI) therapy, for hormone receptor-positive breast cancer, in postmenopausal women is associated with bone loss, leading to an increased risk of fractures. Denosumab, an antibody raised against the receptor activator of nuclear factor-κB ligand, has been proven to protect against AI-induced bone loss. Hence, we aimed to determine whether denosumab is effective in postmenopausal Japanese women with osteoporosis, treated with AI. We prospectively evaluated the bone mineral density (BMD) in the lumbar spine and the bilateral femoral neck in 102 postmenopausal women with clinical hormone receptor-positive breast cancer, stages I-IIIA, during a postoperative period of 12 months...
March 8, 2018: Journal of Bone and Mineral Metabolism
Elżbieta Królak, Jolanta Raczuk, Danuta Sakowicz, Elżbieta Biardzka
Background: Home methods of drinking water treatment through filtration have recently become quite popular. Objective: The aim of the study was to compare chemical composition of unfiltered water with water filtered in households with pitcher water filters. Obtained results were discussed in view of the effect of analysed chemical components of water on human health. Material and methods: Water samples were taken from water works supplies and from home dug wells from the agricultural area...
2018: Roczniki Państwowego Zakładu Higieny
Rijuta Ganesh Saratale, Han Seung Shin, Gajanan S Ghodake, Gopalakrishnan Kumar, Min Kyu Oh, Ganesh Dattatraya Saratale
This study focuses on development of calcium peroxide (CaO2 ) pretreatment that removes major part of lignin but retaining most of sugar components of kenaf core powder (KCP) biomass. In chemical pretreatment, usually higher loss of biomass occurs which was less during this pretreatment strategy. Supplementation of inorganic salts; manganese sulfate (MnSO4 ) and cobalt chloride (COCl2 ) in CaO2 pretreatment resulted in maximum delignification of KCP relative to individual CaO2 pretreatment. Maximum glucose yield (98%) and hydrolysis yield (80...
February 27, 2018: Bioresource Technology
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