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https://www.readbyqxmd.com/read/29244957/hypercementosis-associated-with-enpp1-mutations-and-gaci
#1
V Thumbigere-Math, A Alqadi, N I Chalmers, M B Chavez, E Y Chu, M T Collins, C R Ferreira, K FitzGerald, R I Gafni, W A Gahl, K S Hsu, M S Ramnitz, M J Somerman, S G Ziegler, B L Foster
Mineralization of bones and teeth is tightly regulated by levels of extracellular inorganic phosphate (Pi) and pyrophosphate (PPi). Three regulators that control pericellular concentrations of Pi and PPi include tissue-nonspecific alkaline phosphatase (TNAP), progressive ankylosis protein (ANK), and ectonucleotide pyrophosphatase/phosphodiesterase 1 (ENPP1). Inactivation of these factors results in mineralization disorders affecting teeth and their supporting structures. This study for the first time analyzed the effect of decreased PPi on dental development in individuals with generalized arterial calcification of infancy (GACI) due to loss-of-function mutations in the ENPP1 gene...
December 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/29243442/-regression-analysis-of-serum-bone-metabolic-markers-and-traditional-chinese-medicine-syndromes-in-patients-with-ckd-mbd
#2
Hai-Ming Yang, Xian-Jie Meng, Wei Wu, Ying-Lu Liu, Xiao-Juan Zhai
To analyze the interdependent relationship between serum bone metabolic markers and traditional Chinese medicine (TCM) syndromes in patients with chronic kidney disease (stages 3 and 4)-related mineral and bone disorder (CKD-MBD), in order to provide the objective basis for exploring the rules of TCM syndrome differentiation in patients with CKD-MBD. The retrospective survey was conducted to collect 105 cases with CKD (stages 3 and 4)-MBD. General clinical indexes, frequency of TCM syndromes and distribution of TCM syndrome type were investigated...
October 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29241204/achieve-your-goals-together-the-easy-and-reasonable-way-to-treat-chronic-kidney-disease-mineral-bone-disorder
#3
Mario Cozzolino
No abstract text is available yet for this article.
December 7, 2017: Blood Purification
https://www.readbyqxmd.com/read/29239351/association-of-serum-uric-acid-levels-with-osteoporosis-and-bone-turnover-markers-in-a-chinese-population
#4
Dan-Dan Yan, Jie Wang, Xu-Hong Hou, Yu-Qian Bao, Zhen-Lin Zhang, Cheng Hu, Wei-Ping Jia
Recent evidence shows that uric acid is protective against some neurological diseases, but can be detrimental in many metabolic and cardiovascular disorders. In this study, we examined the association between serum uric acid levels and bone metabolism in Chinese males and postmenopausal females. A total of 943 males and 4256 postmenopausal females were recruited in Shanghai. The levels of serum uric acid and bone turnover markers (BTMs) were detected along with other biochemical traits. In addition, the fat distribution was calculated through MRI and image analysis software, and bone mineral density (BMD) was determined using dual-energy X-ray absorptiometry...
December 14, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/29238762/etelcalcetide-injectable-calcimimetic-for-the-treatment-of-secondary-hyperparathyroidism-in-hemodialysis-dependent-patients
#5
P A Ureña Torres, J Bover, M Cohen-Solal
Chronic kidney disease is associated with mineral and bone disorders that are now considered as a syndrome. One of the major complications of this syndrome is secondary hyperparathyroidism (SHPT). SHPT increases bone turnover and the risk of fracture. SHPT is also associated with cardiovascular calcification and high mortality risk. The classical medical therapies of SHPT lack long-term efficacy and have undesirable effects on serum calcium and phosphate levels. Surgical parathyroidectomy is a radical therapeutic solution potentially exposing patients to a permanent state of hypoparathyroidism among other complications...
September 2017: Drugs of Today
https://www.readbyqxmd.com/read/29237104/osteoporosis-in-patients-with-ckd-a-diagnostic-dilemma
#6
Ann Hallock
Osteoporosis in patients with chronic kidney disease (CKD) is a complex problem, with diagnostic criteria and treatment plans often debated. The debate creates a practice dilemma for clinicians faced with an aging population and an increasing incidence of fragility fractures. This article discusses the dilemma as seen from the perspective of the nephrology clinician on differentiating osteoporosis from other bone mineral disorders in patients with progressive CKD in order to provide the most efficacious and safe care...
January 2017: Nephrology Nursing Journal: Journal of the American Nephrology Nurses' Association
https://www.readbyqxmd.com/read/29236514/past-methylphenidate-exposure-and-stress-fractures-in-combat-soldiers-a-case-control-study
#7
Haggai Schermann, Ilan Shalom Ben-Ami, Adrian Tudor, Eyal Amar, Ehud Rath, Ran Yanovich
BACKGROUND: Previous research has revealed decreased bone mineral density (BMD) among children and adolescents who receive methylphenidate (MP) treatment for attention deficit hyperactivity disorder (ADHD). These findings have major clinical implications given that the prevalence of medication-treated ADHD is on the rise worldwide. We decided to investigate the clinical effect of MP exposure on the incidence of stress fractures, for which a low BMD is a risk factor. HYPOTHESIS: Exposure to MP is a risk factor for stress fractures...
December 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29233444/assessing-a-traditional-case-based-application-exercise-and-a-student-question-creation-exercise-on-student-performance-and-perceptions
#8
Amulya Tatachar, Carol Kominski
BACKGROUND AND PURPOSE: To compare the impact of a traditional case-based application exercise with a student question creation exercise on a) student exam performance, b) student perceptions of enjoyment, competence, understanding, effort, interest in continuing participation, and interest in the subject. EDUCATIONAL ACTIVITY AND SETTING: Subjects were 84 second-year pharmacy students in a pharmacotherapy course. The research focus was active learning involving the topic of chronic kidney disease-mineral bone disorder...
July 2017: Currents in Pharmacy Teaching & Learning
https://www.readbyqxmd.com/read/29231963/body-composition-in-long-term-survivors-of-acute-lymphoblastic-leukemia-diagnosed-in-childhood-and-adolescence-a-focus-on-sarcopenic-obesity
#9
Christopher J C Marriott, Lesley F Beaumont, Troy H Farncombe, Amy N Cranston, Uma H Athale, Valerie N Yakemchuk, Colin E Webber, Ronald D Barr
BACKGROUND: The late effects of treatment for acute lymphoblastic leukemia (ALL) include disordered body composition, especially obesity. Less attention has been focused on the loss of skeletal muscle mass (SMM) and the combined morbidity of sarcopenic obesity. METHODS: A cross-sectional study of body composition was undertaken via dual-energy x-ray absorptiometry in 75 long-term survivors of ALL (more than 10 years after the diagnosis). Measures were obtained of the fat mass (FM), fat-free mass (equivalent to the lean body mass [LBM]), and whole-body bone mineral content...
December 12, 2017: Cancer
https://www.readbyqxmd.com/read/29229170/care-of-the-pediatric-patient-on-chronic-dialysis
#10
REVIEW
Annabelle N Chua, Bradley A Warady
Optimal care of the pediatric end-stage renal disease (ESRD) patient on chronic dialysis is complex and requires multidisciplinary care as well as patient/caregiver involvement. The dialysis team, along with the family and patient, should all play a role in choosing the dialysis modality which best meets the patient's needs, taking into account special considerations and management issues that may be particularly pertinent to children who receive peritoneal dialysis or hemodialysis. Meticulous attention to dialysis adequacy in terms of solute and fluid removal, as well as to a variety of clinical manifestations of ESRD, including anemia, growth and nutrition, chronic kidney disease-mineral bone disorder, cardiovascular health, and neurocognitive development, is essential...
November 2017: Advances in Chronic Kidney Disease
https://www.readbyqxmd.com/read/29228533/denosumab-treatment-of-severe-disuse-osteoporosis-in-a-boy-with-spinal-muscular-atrophy
#11
Stepan Kutilek
Denosumab is a fully human recombinant monoclonal antibody to the receptor activator of nuclear factor-κB ligand. Denosumab is used in the treatment of postmenopausal osteoporosis and cancer-related bone disorders. There are only very scarce data on denosumab treatment in children. 14-year-old boy with spinal muscular atrophy (SMA) and severe disuse osteoporosis (spinal bone mineral density L1-L4 BMD-6.2SD Z-score) and two prevalent fragility fractures was treated with denosumab. He received 60 mg  subcutaneous injection at the baseline and seven months later...
October 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/29218827/computational-study-of-estimating-3d-trabecular-bone-microstructure-for-the-volume-of-interest-from-ct-scan-data
#12
Jung Jin Kim, Jimin Nam, In Gwun Jang
Inspired by the self-optimizing capabilities of bone, a new concept of bone microstructure reconstruction has been recently introduced using 2D synthetic skeletal images. As a preliminary clinical study, this paper proposes a topology optimization-based method that can estimate 3D trabecular bone microstructure for the volume of interest (VOI) from 3D computed tomography (CT) scan data with enhanced computational efficiency and phenomenological accuracy. For this purpose, a localized finite element (FE) model is constructed by segmenting a target bone from CT scan data and determining the physiological local loads for the VOI...
December 7, 2017: International Journal for Numerical Methods in Biomedical Engineering
https://www.readbyqxmd.com/read/29214023/assessment-and-clinical-management-of-bone-disease-in-adults-with-eating-disorders-a-review
#13
REVIEW
Anne Drabkin, Micol S Rothman, Elizabeth Wassenaar, Margherita Mascolo, Philip S Mehler
Aim: To review current medical literature regarding the causes and clinical management options for low bone mineral density (BMD) in adult patients with eating disorders. Background: Low bone mineral density is a common complication of eating disorders with potentially lifelong debilitating consequences. Definitive, rigorous guidelines for screening, prevention and management are lacking. This article intends to provide a review of the literature to date and current options for prevention and treatment...
2017: Journal of Eating Disorders
https://www.readbyqxmd.com/read/29212557/preconditioning-of-murine-mesenchymal-stem-cells-synergistically-enhanced-immunomodulation-and-osteogenesis
#14
Tzuhua Lin, Jukka Pajarinen, Akira Nabeshima, Laura Lu, Karthik Nathan, Eemeli Jämsen, Zhenyu Yao, Stuart B Goodman
BACKGROUND: Mesenchymal stem cells (MSCs) are capable of immunomodulation and tissue regeneration, highlighting their potential translational application for treating inflammatory bone disorders. MSC-mediated immunomodulation is regulated by proinflammatory cytokines and pathogen-associated molecular patterns such as lipopolysaccharide (LPS). Previous studies showed that MSCs exposed to interferon gamma (IFN-γ) and the proinflammatory cytokine tumor necrosis factor alpha (TNF-α) synergistically suppressed T-cell activation...
December 6, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29207226/-the-treatment-of-the-patient-presenting-with-chronic-kidney-disease-ckd-and-fragility-fractures
#15
REVIEW
Andrea Giusti, Maria Fusaro
Fragility fractures occur in all stages of chronic kidney disease (CKD) due to low bone mineral density and poor bone quality (namely osteoporosis), as well as in CKD-mineral and bone disorders (CKD-MBD). As in postmenopausal women and older adults, the prompt identification of CKD subjects with a history of fragility fractures is crucial in order to implement strategies to reduce the risk of new fragility fractures and their consequences. The treatment of severe osteoporosis for patients with stages 1-3 CKD should not differ from patients without CKD, while clinical decisions and pharmacological treatments in subjects with stages 4-5/5D CKD differ greatly, being more tricky and challenging...
December 5, 2017: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/29195858/phosphate-binder-use-in-us-dialysis-patients-prevalence-costs-evidence-and-policies
#16
Wendy L St Peter, Lori D Wazny, Eric D Weinhandl
Medicare costs for phosphate binders for US dialysis patients and patients with chronic kidney disease enrolled in Medicare Part D exceeded $1.5 billion in 2015. Previous data have shown that Part D costs for mineral and bone disorder medications increased faster than costs for all Part D medications for dialysis patients. Despite extensive use of phosphate binders and escalating costs, conclusive evidence is lacking that they improve important clinical end points in dialysis patients or non-dialysis-dependent patients with chronic kidney disease...
November 28, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/29194750/how-basic-science-discoveries-have-shaped-the-treatment-of-bone-and-mineral-disorders
#17
EDITORIAL
Bente L Langdahl, Stuart H Ralston
No abstract text is available yet for this article.
November 30, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/29194609/using-the-connectivity-map-to-discover-compounds-influencing-human-osteoblast-differentiation
#18
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/29194391/impaired-osteogenesis-of-disease-specific-induced-pluripotent-stem-cells-derived-from-a-cfc-syndrome-patient
#19
Jung-Yun Choi, Kyu-Min Han, Dongkyu Kim, Beom-Hee Lee, Han-Wook Yoo, Jin-Ho Choi, Yong-Mahn Han
Cardiofaciocutaneous (CFC) syndrome is a rare genetic disorder caused by mutations in the extracellular signal-regulated kinase (ERK) signaling. However, little is known about how aberrant ERK signaling is associated with the defective bone development manifested in most CFC syndrome patients. In this study, induced pluripotent stem cells (iPSCs) were generated from dermal fibroblasts of a CFC syndrome patient having rapidly accelerated fibrosarcoma kinase B (BRAF) gain-of-function mutation. CFC-iPSCs were differentiated into mesenchymal stem cells (CFC-MSCs) and further induced to osteoblasts in vitro...
December 1, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29193426/low-osteogenic-yield-in-human-pluripotent-stem-cells-associates-with-differential-neural-crest-promoter-methylation
#20
Nicole Renee Lee Sparks, Ivann Kenneth Carvajal Martinez, Cristina Helen Soto, Nicole Isolde Zur Nieden
Human pluripotent stem cell-derived osteoblasts possess great potential for utilization in bone disorder elucidation and repair; yet, while the general ability of human pluripotent stem cells to differentiate into osteoblasts and lay down bone-specific matrix has been shown, previous studies lack the complete characterization of the process whereby such osteoblasts are derived as well as a comparison between the osteogenic efficiency of multiple cell lines. Here, we compared the osteogenic potential of two human induced pluripotent stem cell lines (RIV9 and RIV4) to human H9 embryonic stem cells...
November 29, 2017: Stem Cells
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