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Mineral metabolism

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https://www.readbyqxmd.com/read/29792935/lp533401-restores-bone-health-in-5-6-nephrectomized-rats-by-a-decrease-of-gut-derived-serotonin-and-regulation-of-serum-phosphate-through-the-inhibition-of-phosphate-co-transporters-expression-in-the-kidneys
#1
Dariusz Pawlak, Beata Znorko, Bartlomiej Kalaska, Tomasz Domaniewski, Radosław Zawadzki, Paweł Lipowicz, Michał Doroszko, Urszula Łebkowska, Piotr Grabowski, Krystyna Pawlak
LP533401 is an orally bioavailable small molecule that inhibits tryptophan hydroxylase-1, an enzyme responsible for the synthesis of gut-derived serotonin (GDS). Recently, we showed that increased GDS in rats with chronic kidney disease (CKD) affected bone strength and metabolism. We tested the hypothesis that treatment with LP533401 could reverse CKD-induced bone loss in uremia. Sixteen weeks after 5/6 nephrectomy, rats were randomized into untreated (CKD), treated with vehicle (VEH) and LP533401 at a dose of 30 or 100 mg/kg daily for 8 weeks...
May 21, 2018: Bone
https://www.readbyqxmd.com/read/29791653/waist-circumference-is-an-effect-modifier-of-the-association-between-bone-mineral-density-and-glucose-metabolism
#2
Lygia N Barroso, Dayana R Farias, Marcia Soares-Mota, Heloisa Bettiol, Marco Antônio Barbieri, Milton Cesar Foss, Antônio Augusto M da Silva, Gilberto Kac
OBJECTIVE: The role of bone markers on insulin resistance (IR) remains controversial. The objective of this study is to evaluate the association between bone mineral density (BMD) and glucose metabolism and investigate if visceral hyperadiposity, evaluated by waist circumference (WC), is an effect modifier of this association. SUBJECTS AND METHODS: Cross-sectional analysis with 468 young adults from the fourth follow-up of the 1978/79 Ribeirão Preto prospective birth cohort, Brazil...
May 17, 2018: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29789485/association-of-plasma-lipids-and-polar-metabolites-with-low-bone-mineral-density-in-singaporean-chinese-menopausal-women-a-pilot-study
#3
Diana Cabrera, Marlena Kruger, Frances M Wolber, Nicole C Roy, John J Totman, Christiani Jeyakumar Henry, David Cameron-Smith, Karl Fraser
The diagnosis of osteoporosis is mainly based on clinical examination and bone mineral density assessments. The present pilot study compares the plasma lipid and polar metabolite profiles in blood plasma of 95 Singaporean-Chinese (SC) menopausal women with normal and low bone mineral density (BMD) using an untargeted metabolomic approach. The primary finding of this study was the association between lipids and femoral neck BMD in SC menopausal women. Twelve lipids were identified to be associated with low BMD by the orthogonal partial least squares (OPLS) model...
May 22, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29789442/ovine-prenatal-growth-restriction-impacts-glucose-metabolism-and-body-composition-throughout-life-in-both-sexes
#4
Jacqueline M Wallace, John S Milne, Raymond P Aitken, Graham W Horgan, Clare L Adam
Low birthweight is a risk factor for later adverse health. Here the impact of placentally-mediated prenatal growth-restriction followed by postnatal nutrient abundance on growth, glucose metabolism and body composition was assessed in both sexes at key stages from birth to mid-adult life. Singleton-bearing adolescent dams were fed control or high nutrient intakes to induce normal or growth-restricted pregnancies, respectively. Restricted lambs had ~40% reduced birthweight. Fractional growth rates were higher in restricted lambs of both sexes predominantly during suckling/juvenile phases...
May 22, 2018: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/29786640/vitamin-d-in-vascular-calcification-a-double-edged-sword
#5
REVIEW
Jeffrey Wang, Jimmy J Zhou, Graham R Robertson, Vincent W Lee
Vascular calcification (VC) as a manifestation of perturbed mineral balance, is associated with aging, diabetes and kidney dysfunction, as well as poorer patient outcomes. Due to the current limited understanding of the pathophysiology of vascular calcification, the development of effective preventative and therapeutic strategies remains a significant clinical challenge. Recent evidence suggests that traditional risk factors for cardiovascular disease, such as left ventricular hypertrophy and dyslipidaemia, fail to account for clinical observations of vascular calcification...
May 22, 2018: Nutrients
https://www.readbyqxmd.com/read/29786179/-update-2017-of-the-kdigo-guidelines-on-chronic-kidney-disease-mineral-and-bone-disorder-ckd-mbd-what-are-the-real-changes
#6
Marzia Pasquali, Antonio Bellasi, Giuseppe Cianciolo, Carlo Massimetti, Maria Cristina Mereu, Luigi Morrone, Vincenzo Panuccio
Guidelines for the assessment, diagnosis and therapy of the alterations that characterize the CKD-MBD are an important support in the clinical practice of the nephrologist. Compared to the KDIGO guidelines published in 2009, the 2017 update made changes on some topics on which there was previously no strong evidence both in terms of diagnosis and therapy. The recommendations include the diagnosis of bone anomalies in CKD-MBD and the treatment of mineral metabolism abnormalities with particular regard to hyperphosphataemia, calcium levels, secondary hyperparathyroidism and anti-resorptive therapies...
May 2018: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/29785596/biochar-reduces-nitrate-level-in-red-beet
#7
Josef Maroušek, Ladislav Kolář, Marek Vochozka, Vojtěch Stehel, Anna Maroušková
Impacts of red beet consumption both on human and animal health are subject of intense research. In particular, products that are not heat-processed contain plethora of bioactive compounds that hold promise against numerous degenerative and aging-associated diseases. However, high level of nitrates (typically more than 2 g NO3 - kg-1 ) whose health effects are perceived with reasoned objections counterbalance these benefits. Following the above, from a certain level, the increased consumption of red beet has contrary impacts, creating a limiting factor not only from the economic point of view but also in terms of beneficial compounds intake...
May 21, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29785076/role-of-osteoprotegerin-receptor-activator-of-nuclear-factor-kappa-b-receptor-activator-of-nuclear-factor-kappa-b-ligand-axis-in-nonalcoholic-fatty-liver-disease
#8
REVIEW
Lucia Pacifico, Gian Marco Andreoli, Miriam D'Avanzo, Delia De Mitri, Pasquale Pierimarchi
Concomitantly with the increase in the prevalences of overweight/obesity, nonalcoholic fatty liver disease (NAFLD) has worldwide become the main cause of chronic liver disease in both adults and children. Patients with fatty liver display features of metabolic syndrome (MetS), like insulin resistance (IR), glucose intolerance, hypertension and dyslipidemia. Recently, epidemiological studies have linked obesity, MetS, and NAFLD to decreased bone mineral density and osteoporosis, highlighting an intricate interplay among bone, adipose tissue, and liver...
May 21, 2018: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29783164/potential-risks-from-uv-h-2-o-2-oxidation-and-uv-photocatalysis-a-review-of-toxic-assimilable-and-sensory-unpleasant-transformation-products
#9
REVIEW
Wen-Long Wang, Qian-Yuan Wu, Nan Huang, Zi-Bin Xu, Min-Yong Lee, Hong-Ying Hu
UV based advanced oxidation processes (UV-AOPs) that efficiently eliminate organic pollutants during water treatment have been the subject of numerous investigations. Most organic pollutants are not completely mineralized during UV-AOPs but are partially oxidized into transformation products (TPs), thereby adding complexity to the treated water and posing risks to humans, ecological systems, and the environment. While the degradation kinetics and mechanisms of pollutants have been widely documented, there is little information about the risks associated with TPs...
May 15, 2018: Water Research
https://www.readbyqxmd.com/read/29783053/biomineralization-mechanism-of-u-vi-induced-by-bacillus-cereus-12-2-the-role-of-functional-groups-and-enzymes
#10
Jian Zhang, Han Song, Zhi Chen, Shasha Liu, Yali Wei, Jingyi Huang, Chuling Guo, Zhi Dang, Zhang Lin
Current studies reveal that the biomineralization of U(VI) by anaerobes normally produces nano-sized U(IV) minerals that can easily re-migrate/re-oxidize, while the biomineralization of U(VI) by aerobes has been constrained because the general mechanism has not yet been fully characterized. The biomineralization of U(VI) by Bacillus cereus 12-2 was investigated in this work. The maximum biosorption capability of intact cells was 448.68 mg U/g biomass (dry weight) at pH 5, while a decrease over 60% was induced when phosphate, amino, and especially carboxyl groups were shielded...
May 10, 2018: Chemosphere
https://www.readbyqxmd.com/read/29782984/design-and-development-of-novel-hyaluronate-modified-nanoparticles-for-combo-delivery-of-curcumin-and-alendronate-fabrication-characterization-and-cellular-and-molecular-evidence-of-enhanced-bone-regeneration
#11
Jinlei Dong, Hnin Ei Thu, Mohammed A S Abourehab, Zahid Hussain
Osteoporosis is a medical condition of fragile bones with an increased susceptibility to bone fracture. Despite having availability of a wide range of pharmacological agents, prevalence of this metabolic disorder is continuously escalating. Owing to excellent biomedical achievements of nanomedicines in the last few decades, we aimed combo delivery of bone anti-resorptive agent, alendronate (ALN), and bone density enhancing drug, curcumin (CUR), in the form of polymeric nanoparticles. To further optimize the therapeutic efficacy, the prepared ALN/CUR nanoparticles were decorated with hyaluronic acid which is a well-documented biomacromolecule having exceptional bone regenerating potential...
May 18, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29782843/role-of-nutritional-vitamin-d-in-osteoporosis-treatment
#12
REVIEW
Yi-Chou Hou, Chia-Chao Wu, Min-Tser Liao, Jia-Fwu Shyu, Chi-Feng Hung, Tzung-Hai Yen, Chien-Lin Lu, Kuo-Cheng Lu
Osteoporosis is a systemic skeletal disorder characterized by a decrease in bone mass and microarchitectural deterioration of bone tissue. The World Health Organization has defined osteoporosis as a decrease in bone mass (50%) and bony quality (50%). Vitamin D, a steroid hormone, is crucial for skeletal health and in mineral metabolism. Its direct action on osteoblasts and osteoclasts and interaction with nonskeletal tissues help in maintaining a balance between bone turnover and bone growth. Vitamin D affects the activity of osteoblasts, osteoclasts, and osteocytes, suggesting that it affects bone formation, bone resorption, and bone quality...
May 18, 2018: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29782429/early-results-of-laparoscopic-sleeve-gastrectomy-with-loop-bipartition
#13
Ergin Arslan, Mesut Sipahi, Oktay Banli
PURPOSE: We evaluated early results of this new procedure of transit loop bipartition with sleeve gastrectomy (TLB-SG), making a comparison with transit bipartition with sleeve gastrectomy. MATERIALS AND METHODS: Between January 2017 and September 2017, 22 patients have undergone transit bipartition with sleeve gastrectomy or TLB-SG surgery in our clinic. Patients' body mass index, excess body mass index loss, and HOMA-IR were calculated before and after the surgical operation...
May 18, 2018: Surgical Laparoscopy, Endoscopy & Percutaneous Techniques
https://www.readbyqxmd.com/read/29782253/-mineral-and-bone-disorders-in-chronic-heart-failure
#14
E V Reznik, I G Nikitin
In many patients, chronic heart failure (CHF) is associated with chronic kidney disease (CKD). Virtually all patients with terminal CKD and many patients with early CKD display various disorders of mineral and bone metabolism (MBM) related with all-cause mortality and high risk of cardiovascular complications. This review addressed disorders of mineral and bone metabolism in patients with CHF, including hypocalcemia, hyperphosphatemia, vitamin D insufficiency/deficiency, secondary hyperparathyroidism, changed levels of FGF23 and Klotho, osteoporosis, osteopenia, their clinical and prognostic significance, and possibilities of their correction...
2018: Kardiologiia
https://www.readbyqxmd.com/read/29780418/biological-and-clinical-effects-of-calciprotein-particles-on-chronic-kidney-disease-mineral-and-bone-disorder
#15
REVIEW
Kenichi Akiyama, Takaaki Kimura, Kazuhiro Shiizaki
Calciprotein particles (CPPs) are a new biological marker of chronic kidney disease-mineral and bone disorder (CKD-MBD). CPPs consist of phosphate, calcium, and some proteins, with phosphate being the major contributor to the level and biological activity of CPPs. Recent studies have shown the physiological and pathological significance of CPPs, including contributions to bone and mineral metabolism, and to tissue and organ impairments such as cardiovascular damage and inflammatory responses. These actions are well known as important aspects of CKD-MBD...
2018: International Journal of Endocrinology
https://www.readbyqxmd.com/read/29780417/osteoporosis-is-associated-with-deteriorating-clinical-status-in-adults-with-cystic-fibrosis
#16
Inger Hee Mathiesen, Tacjana Pressler, Peter Oturai, Terese Lea Katzenstein, Marianne Skov, Ruth Frikke-Schmidt, Mette Friberg Hitz
Background: Cystic fibrosis (CF) patients are in increased risk of osteoporosis. We aimed to determine the osteoporosis prevalence in an adult CF cohort and investigate calcium metabolic parameters and clinical status' association with bone mineral density evaluated by dual X-ray absorptiometry scan. Methods: We performed a cross section database study of adults at a tertiary CF Center. Z scores were applied for patients < 50 years of age and T scores for patients > 50 years of age...
2018: International Journal of Endocrinology
https://www.readbyqxmd.com/read/29780230/evaluation-of-bone-health-among-epileptic-patients-using-biochemical-markers-and-dexa-scan-an-egyptian-study
#17
Ebtesam Mohamed Fahmy, Laila Ahmed Rashed, Rania Shehata Ismail, Hanan Helmy, Doaa Atef Mekkawy
Background: An association between antiepileptic drugs, low bone mineral density (BMD), fractures, and abnormalities in bone metabolism has been suggested for a longer period, although conclusive evidence has not been reported. Methods: Thirty epileptic patients and 30 matched healthy subjects participated in the study. Measurements of serum levels of calcium, phosphorus, vitamin D, parathormone, and alkaline phosphatase were done for included subjects. Dual-energy X-ray absorptiometry (DEXA) scan was also performed...
2018: The Egyptian journal of neurology, psychiatry and neurosurgery
https://www.readbyqxmd.com/read/29780142/diabetes-mellitus-induced-bone-fragility
#18
Ippei Kanazawa, Toshitsugu Sugimoto
Accumulating evidence has shown that the risk of osteoporotic fractures is increased in patients with diabetes mellitus (DM). Thus, DM-induced bone fragility has been recently recognized as a diabetic complication. Because the fracture risk is independent of the reduction in bone mineral density, deterioration of the bone quality may be the main cause of bone fragility. Although its mechanism remains poorly understood, accumulated collagen cross-links of advanced glycation end-products (AGEs) and dysfunctions of osteoblast and osteocyte may be involved...
May 18, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29778484/effect-of-grain-or-by-product-based-concentrate-fed-with-early-or-late-harvested-first-cut-grass-silage-on-dairy-cow-performance
#19
D Pang, T Yan, E Trevisi, S J Krizsan
This study compared the effects of a grain-based conventional concentrate (GC) and a concentrate based on agro-industrial by-products (BC), fed with grass silage harvested at early (ES) or late (LS) maturity stage, on dairy performance, CH4 and CO2 emissions, and metabolic status of dairy cows. Twenty lactating Nordic Red cows averaging 81 d in milk and 31.9 kg of milk/d pre-trial were assigned to a replicated 4 × 4 Latin square design. Dietary treatments were in a 2 × 2 factorial arrangement. The silages were harvested 2 wk apart from the same primary growth grass ley...
May 16, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29778345/health-literacy-and-uptake-of-anti-fracture-medications-in-a-population-based-sample-of-australian-women
#20
Sarah M Hosking, Sharon L Brennan-Olsen, Alison Beauchamp, Rachelle Buchbinder, Lana J Williams, Julie A Pasco
This study investigated associations between health literacy and use of anti-fracture medications in women with osteoporosis. Data were collected for women participating in the population-based Geelong Osteoporosis Study in Australia. Health literacy was ascertained using the Health Literacy Questionnaire (HLQ) and bone mineral density by dual x-ray absorptiometry. Self-reported current medications were classified using MIMS codes, with the category 'Agent affecting calcium and bone metabolism' indicating osteoporosis treatment...
May 9, 2018: Research in Social & Administrative Pharmacy: RSAP
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