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https://www.readbyqxmd.com/read/27933339/efficacy-and-safety-of-osteoporosis-medications-in-a-rat-model-of-late-stage-chronic-kidney-disease-accompanied-by-secondary-hyperparathyroidism-and-hyperphosphatemia
#1
M Ota, M Takahata, T Shimizu, Y Kanehira, H Kimura-Suda, Y Kameda, H Hamano, S Hiratsuka, D Sato, N Iwasaki
: This study showed that bisphosphonate was safe and effective for the treatment of bone disorders in stage 4 chronic kidney disease (CKD) rats. Intermittent teriparatide therapy showed an anabolic action on bone even under secondary hyperparathyroidism conditions without having an adverse effect on mineral metabolism in late-stage CKD. INTRODUCTION: Patients with late-stage CKD are at high risk for fragility fractures. However, there are no consensus on the efficacy and safety of osteoporosis medications for patients with late-stage CKD...
December 8, 2016: Osteoporosis International
https://www.readbyqxmd.com/read/27929277/acute-monoarthritis-diagnosis-in-adults
#2
Jonathan A Becker, Jennifer P Daily, Katherine M Pohlgeers
Acute monoarthritis can be the initial manifestation of many joint disorders. The most common diagnoses in the primary care setting are osteoarthritis, gout, and trauma. It is important to understand the prevalence of specific etiologies and to use the appropriate diagnostic modalities. A delay in diagnosis and treatment, particularly in septic arthritis, can have catastrophic results including sepsis, bacteremia, joint destruction, or death. The history and physical examination can help guide the use of laboratory and imaging studies...
November 15, 2016: American Family Physician
https://www.readbyqxmd.com/read/27928449/severe-asymptomatic-coronary-obstruction-in-chronic-hemodialysed-patient-a-case-report
#3
Voiculeț C, Zara O, Văcăroiu I, Bogeanu C, Tiron T, Turcu F, Aron G, Ciocâlteu A
Introduction. Arterial stiffness and vascular calcifications are independent predictors of cardiovascular morbidity and mortality in the chronic kidney disease (CKD) stage 5D population. According to the guidelines, patients on renal replacement therapy represent a very high cardiovascular risk class. Case report. We report the case of a 67-year-old hypertensive male patient, known with CKD stage 5D on hemodialysis (three times per week), secondary bone mineral disease, admitted for progressive right leg pain...
October 2016: Journal of Medicine and Life
https://www.readbyqxmd.com/read/27928380/facial-dystonia-with-facial-grimacing-and-vertical-gaze-palsy-with-round-the-houses-sign-in-a-29-year-old-woman
#4
J Crespi, G Bråthen, P Quist-Paulsen, J Pagonabarraga, C Roig-Arnall
A 29-year-old woman developed progressive dysarthria and coordination problems from the age of 15. Examination showed dysarthria, facial dystonia, bibrachial dystonia, hyperreflexia, ataxia, and emotional incontinence. Downward supranuclear gaze palsy was prominent with a "Round the Houses" sign. Magnetic resonance imaging of the brain and medulla, electroneurography, and cerebrospinal fluid were normal. A computed tomography scan showed hepatosplenomegaly. This combination of progressive neurological symptoms together with hepatosplenomegaly was suggestive of inborn error of metabolism...
February 2016: Neuro-ophthalmology
https://www.readbyqxmd.com/read/27927781/genetic-variants-associated-with-circulating-parathyroid-hormone
#5
Cassianne Robinson-Cohen, Pamela L Lutsey, Marcus E Kleber, Carrie M Nielson, Braxton D Mitchell, Joshua C Bis, Karen M Eny, Laura Portas, Joel Eriksson, Mattias Lorentzon, Daniel L Koller, Yuri Milaneschi, Alexander Teumer, Stefan Pilz, Maria Nethander, Elizabeth Selvin, Weihong Tang, Lu-Chen Weng, Hoi Suen Wong, Dongbing Lai, Munro Peacock, Anke Hannemann, Uwe Völker, Georg Homuth, Matthias Nauk, Federico Murgia, Jack W Pattee, Eric Orwoll, Joseph M Zmuda, Jose Antonio Riancho, Myles Wolf, Frances Williams, Brenda Penninx, Michael J Econs, Kathleen A Ryan, Claes Ohlsson, Andrew D Paterson, Bruce M Psaty, David S Siscovick, Jerome I Rotter, Mario Pirastu, Elizabeth Streeten, Winfried März, Caroline Fox, Josef Coresh, Henri Wallaschofski, James S Pankow, Ian H de Boer, Bryan Kestenbaum
Parathyroid hormone (PTH) is a primary calcium regulatory hormone. Elevated serum PTH concentrations in primary and secondary hyperparathyroidism have been associated with bone disease, hypertension, and in some studies, cardiovascular mortality. Genetic causes of variation in circulating PTH concentrations are incompletely understood. We performed a genome-wide association study of serum PTH concentrations among 29,155 participants of European ancestry from 13 cohort studies (n=22,653 and n=6502 in discovery and replication analyses, respectively)...
December 7, 2016: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/27927037/clinical-hepatotoxicity-associated-with-antifungal-agents
#6
Ioannis Kyriakidis, Athanasios Tragiannidis, Silke München, Andreas H Groll
Invasive fungal diseases (IFDs) are a leading cause of morbidity and mortality among immunocompromised patients with bone marrow failure syndromes, hematological malignancies, hematopoietic stem cell transplantation (HSCT), those admitted in intensive care units (ICUs) and those with prolonged febrile neutropenia. IFDs occur in a setting of multiple morbidities and are associated with case fatality rates between 30 and 70%. Along with the development of classes and compounds, the last two decades have seen substantial improvements in the prevention and management of these infections and an overall increased use of antifungal agents...
December 7, 2016: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/27922757/hemophagocytic-lymphohistiocytosis-triggered-by-gaucher-disease-in-a-preterm-neonate
#7
Simone Schüller, Andishe Attarbaschi, Angelika Berger, Caroline Hutter, Katrin Klebermass-Schrehof, Manuel Steiner
OBJECTIVE: To present the diagnostic workup in an extremely low birth weight infant patient with signs of both sepsis and hemophagocytosis. PARTICIPANTS: A preterm infant presented with clinical and laboratory signs of early-onset sepsis including hepatosplenomegaly, thrombocytopenia, direct hyperbilirubinemia, and elevated liver enzymes. METHODS: Despite extensive septic workup, no underlying infection was detected. Additional hyperferritinemia and other elevated inflammatory parameters raised the suspicion of a primary or secondary hemophagocytic lymphohistiocytosis (HLH)...
December 6, 2016: Pediatric Hematology and Oncology
https://www.readbyqxmd.com/read/27920806/hereditary-multiple-exostoses-a-review-of-clinical-appearance-and-metabolic-pattern
#8
REVIEW
Giovanni Beltrami, Gabriele Ristori, Guido Scoccianti, Angela Tamburini, Rodolfo Capanna
Hereditary multiple exostoses (HME) is an inherited genetic condition characterized by the presence of multiple exostoses (osteochondromas). MHE is a relatively rare autosomal dominant disorder, mainly caused by loss of function mutations in two genes: exostosin-1 (EXT1) and exostosin-2 (EXT2). These genes are linked to heparan sulfate (HS) synthesis, but the specific molecular mechanism leading to the disruption of the cartilage structure and the consequent exostoses formation is still not resolved. The aim of this paper is to encounter the main aspects of HME reviewing the literature, in order to improve clinical features and evolution, and the metabolic-pathogenetic mechanisms underlying...
May 2016: Clinical Cases in Mineral and Bone Metabolism
https://www.readbyqxmd.com/read/27920801/implications-of-analgesics-use-in-osteoporotic-related-pain-treatment-focus-on-opioids
#9
REVIEW
Renato Vellucci, Consalvo Mattia, Ludovica Celidonio, Rocco Domenico Mediati
Bone loss is asymptomatic and will progress without pain and other symptoms until the occurrence of a fracture. The occurrence of a breaking bone induce acute pain determined and supported by a mechanical, inflammatory and neuropathic component. Very often the acute component evolves in a chronic musculoskeletal component. Overall objectives of the analgesic therapy can be summarized in pain relief, improving sleep, improve mobility, reduce anxiety, emotional component and depression. Osteoporosis is predominantly a condition of the elderly, more likely to have coexisting cardiovascular disease and age-related decline in renal function, receiving treatment for one or more comorbid conditions, taking multiple medications...
May 2016: Clinical Cases in Mineral and Bone Metabolism
https://www.readbyqxmd.com/read/27919752/bioavailable-25-oh-d-but-not-total-25-oh-d-is-an-independent-determinant-for-bone-mineral-density-in-chinese-postmenopausal-women
#10
Chenguang Li, Peizhan Chen, Xiaohua Duan, Jing Wang, Bing Shu, Xiaoguang Li, Qian Ba, Jingquan Li, Yongjun Wang, Hui Wang
Total 25(OH)D levels were determined to assess bone health in elderly populations; however, the bioavailability of 25(OH)D is regulated by the albumin and vitamin D binding protein (DBP) levels and DBP variations. Whether bioavailable 25(OH)D level is a superior biomarker for vitamin D than total 25(OH)D level regarding the BMD and the bone metabolism were not yet fully understood. With a community based cross-sectional study of 967 postmenopausal women, we found that the variant rs7041, but not rs4588, of DBP was significantly associated with the blood DBP level, which was positively correlated with the total 25(OH)D level but negatively associated with bioavailable 25(OH)D levels...
November 28, 2016: EBioMedicine
https://www.readbyqxmd.com/read/27919248/bone-mineral-density-in-patients-with-multiple-sclerosis-hereditary-ataxia-or-hereditary-spastic-paraplegia-after-at-least-10%C3%A2-years-of-disease-a-case-control-study
#11
Cecilia Smith Simonsen, Elisabeth Gulowsen Celius, Cathrine Brunborg, Chantal Tallaksen, Erik Fink Eriksen, Trygve Holmøy, Stine Marit Moen
BACKGROUND: Although disability is considered the main cause of low bone mineral density (BMD) in multiple sclerosis (MS), other factors related to the disease process or treatment could also be involved. The aim of this study was to assess whether patients with MS are more likely to develop low BMD (osteopenia or osteoporosis) than patients with the non-inflammatory neurological diseases Hereditary Spastic Paraplegia (HSP) and Hereditary Ataxia (HA). METHODS: We performed a case control study comparing BMD (spine, hip and total body) and biochemical measures of bone metabolism in 91 MS patients and 77 patients with HSP or HA, matched for age, gender and disability...
December 5, 2016: BMC Neurology
https://www.readbyqxmd.com/read/27918081/st1926-attenuates-steroid-induced-osteoporosis-in-rats-by-inhibiting-inflammation-response
#12
Hong-Xing Zhao, Yuan-Xia Huang, Jin-Gang Tao
Steroid, also known as glucocorticoid, induced osteonecrosis of the femoral head in young adults, which has been a challenging disorder for the frequent incidence of collapse of femoral head, leading to dysfunction of hip joint and impairing life quality of human. Bioavailable and less toxic synthetic retinoids, such as the atypical adamantyl retinoid ST1926, have been developed and investigated in clinical trials for many diseases. Serum lipid-related indicators were assessed to elucidate the role of ST1926 in regulating lipid metabolism...
December 5, 2016: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/27915991/control-of-inflammatory-bowel-disease-and-colorectal-cancer-by-synthetic-vitamin-d-receptor-ligands
#13
Ichiro Takada, Makoto Makishima
Vitamin D deficiency and insufficiency are associated with an increased risk of cancer, autoimmune disease, inflammation, infection, cardiovascular disease and metabolic disease, as well as bone and mineral disorders. The vitamin D receptor (VDR), a member of the nuclear receptor superfamily, is a receptor for the active form of vitamin D, 1α,25-dihydroxyvitamin D3 [1,25(OH)2D3], and mediates vitamin D regulation of specific target gene expression. The secondary bile acid lithocholic acid, which is produced by intestinal bacteria, is another natural VDR ligand...
December 2, 2016: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/27914707/adiponectin-alters-renal-calcium-and-phosphate-excretion-through-regulation-of-klotho-expression
#14
Joseph M Rutkowski, Johanne Pastor, Kai Sun, Sun K Park, I Alexandru Bobulescu, Christopher T Chen, Orson W Moe, Philipp E Scherer
The kidney controls systemic calcium and phosphate levels and disturbances of its control mechanisms can lead to a variety of diseases. The insulin-sensitizing adipokine adiponectin is renoprotective and accelerates functional recovery following renal injury. However, unlike other adipokines, adiponectin is reduced in obesity. High adiponectin levels are also correlated with bone loss, suggestive of an additional action in mineral metabolism. Using knockout, wild-type, and adiponectin-overexpressing transgenic mice, we sought to identify the mechanistic basis for adiponectin's ability to regulate calcium and phosphate balance at the level of the kidney...
November 30, 2016: Kidney International
https://www.readbyqxmd.com/read/27913299/the-inhibitory-effect-of-beta-lapachone-on-rankl-induced-osteoclastogenesis
#15
Dong Ryun Gu, Joon No Lee, Gi-Su Oh, Hyung Jin Kim, Min Seuk Kim, Seoung Hoon Lee
β-lapachone (β-L) is a substrate of reduced nicotinamide adenine dinucleotide (NADH): quinone oxidoreductase 1 (NQO1). NQO1 reduces quinones to hydroquinones using NADH as an electron donor and consequently increases the intracellular NAD+/NADH ratio. The activation of NQO1 by β-L has beneficial effects on several metabolic syndromes, such as obesity, hypertension, and renal injury. However, the effect of β-L on bone metabolism remains unclear. Here, we show that β-L might be a potent inhibitor of receptor activator of nuclear factor-κB ligand (RANKL)-induced osteoclastogenesis...
November 30, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27911459/evaluation-of-bone-metastases-by-18f-choline-pet-ct-in-a-patient-with-castration-resistant-prostate-cancer-treated-with-radium-223
#16
Piera Scalzi, Cinzia Baiocco, Sabrina Genovese, Antonella Trevisan, Zuzana Sirotova, Carlo Poti
BACKGROUND: To date, bone metastases remain the main cause of morbidity and mortality in patients with metastatic castration-resistant prostate cancer (mCRPC). Therefore, the combination of accurate early detection of bony disease and effective treatment of these lesions is crucial in the management of mCRPC patients, but clinical trials specifically designed to test novel approaches are currently lacking. CASE DESCRIPTION: This report describes the case of a 74-year-old male with bone mCRPC and symptomatic and biochemical progression, who underwent radium-223 therapy, following previous treatment failure...
December 2, 2016: Urologia
https://www.readbyqxmd.com/read/27909782/associations-between-serum-vitamin-e-concentration-and-bone-mineral-density-in-the-us-elderly-population
#17
J Zhang, X Hu, J Zhang
: Mixed findings regarding effects of vitamin E on bone metabolism existed. We were the first to find a negative association between serum α-tocopherol concentration and bone mineral density in the US elderly population. Using vitamin E supplement as α-tocopherol to promote bone health was not warranted at this time. INTRODUCTION: The aim of the study is to examine the associations between serum vitamin E (α-tocopherol and γ-tocopherol) status and bone mineral density (BMD) among the US elderly population...
December 1, 2016: Osteoporosis International
https://www.readbyqxmd.com/read/27906690/the-long-road-to-leptin
#18
Jeffrey Friedman
Leptin is an adipose tissue hormone that functions as an afferent signal in a negative feedback loop that maintains homeostatic control of adipose tissue mass. This endocrine system thus serves a critical evolutionary function by protecting individuals from the risks associated with being too thin (starvation) or too obese (predation and temperature dysregulation). Mutations in leptin or its receptor cause massive obesity in mice and humans, and leptin can effectively treat obesity in leptin-deficient patients...
December 1, 2016: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/27906525/the-clinical-utility-of-qsm-disease-diagnosis-medical-management-and-surgical-planning
#19
REVIEW
Sarah Eskreis-Winkler, Yan Zhang, Jingwei Zhang, Zhe Liu, Alexey Dimov, Ajay Gupta, Yi Wang
Quantitative susceptibility mapping (QSM) is an MR technique that depicts and quantifies magnetic susceptibility sources. Mapping iron, the dominant susceptibility source in the brain, has many important clinical applications. Herein, we review QSM applications in the diagnosis, medical management, and surgical treatment of disease. To assist in early disease diagnosis, QSM can identify elevated iron levels in the motor cortex of amyotrophic lateral sclerosis patients, in the substantia nigra of Parkinson's disease (PD) patients, in the globus pallidus, putamen, and caudate of Huntington's disease patients, and in the basal ganglia of Wilson's disease patients...
December 1, 2016: NMR in Biomedicine
https://www.readbyqxmd.com/read/27904930/micrornas-in-bone-diseases
#20
REVIEW
L Gennari, S Bianciardi, D Merlotti
MicroRNAs are small, noncoding single-stranded RNAs that have emerged as important posttranscriptional regulators of gene expression, with an essential role in vertebrate development and different biological processes. This review highlights the recent advances in the function of miRNAs and their roles in bone remodeling and bone diseases. MicroRNAs (miRNAs) are a class of small (∼22 nt), noncoding single-stranded RNAs that have emerged as important posttranscriptional regulators of gene expression. They are essential for vertebrate development and play critical roles in different biological processes related to cell differentiation, activity, metabolism, and apoptosis...
November 30, 2016: Osteoporosis International
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