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https://www.readbyqxmd.com/read/29786181/-new-scenarios-in-secondary-hyperparathyroidism-etelcalcetide-position-paper-of-nephrologists-form-lombardy
#1
Antonio Bellasi, Mario Cozzolino, Fabio Malberti, Giovanni Cancarini, Ciro Esposito, Augusto Genderini, Carlo Maria Guastoni, Patrizia Ondei, Giuseppe Pontoriero, Ugo Teatini, Giuseppe Vezzoli, Piergiorgio Messa, Francesco Locatelli
Bone mineral abnormalities (defined as Chronic Kidney Disease Mineral Bone Disorder; CKD-MBD) are prevalent and associated with a substantial risk burden and poor prognosis in CKD population. Several lines of evidence support the notion that a large proportion of patients receiving maintenance dialysis experience a suboptimal biochemical control of CKD-MBD. Although no study has ever demonstrated conclusively that CKD-MBD control is associated with improved survival, an expanding therapeutic armamentarium is available to correct bone mineral abnormalities...
May 2018: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
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
#2
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/29781225/critical-governance-issue-of-parathyroid-hormone-assays-and-its-selection-in-the-management-of-chronic-kidney-disease-mineral-and-bone-disorders
#3
REVIEW
Takatoshi Kakuta, Mari Ishida, Masafumi Fukagawa
Measurement of circulating parathyroid hormone (PTH) levels is essential for optimal management of mineral and bone disorders (MBD) in chronic kidney disease (CKD) patients. There are two major types of PTH assays currently in use: intact parathyroid hormone (i-PTH) and whole PTH (w-PTH) assays. The i-PTH assay is the current standard, and considerable information regarding the management of CKD-MBD has been obtained with this method. However, several limitations have been found with the i-PTH assay. One limitation is that i-PTH assay also measures fragments other than full-length PTH (1-84)...
May 20, 2018: Therapeutic Apheresis and Dialysis
https://www.readbyqxmd.com/read/29780418/biological-and-clinical-effects-of-calciprotein-particles-on-chronic-kidney-disease-mineral-and-bone-disorder
#4
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/29778942/transcriptomic-and-methylomic-analysis-reveal-the-toxicological-effect-of-2-3-7-8-tetrachlorodibenzodioxin-on-human-embryonic-stem-cell
#5
Keng Po Lai, Jing Woei Li, Ting Fung Chan, Andy Chen, Cherie Yin Lau Lee, William Shu Biu Yeung, Chris Kong Chu Wong
Cumulating epidemiological studies demonstrated that environmental exposure to endocrine disrupting chemicals (EDCs) during the early stages of fetal development is associated with the increase in disease susceptibility in later life. The fetal developmental plasticity is considered as a protective mechanism against an undesirable prenatal environment. Dioxin is one of the environmental contaminants and is considered a diabetogenic factor. Experimental animal and human epidemiological studies have revealed that dioxin exposure was associated with insulin resistance and altered beta cell function...
May 10, 2018: Chemosphere
https://www.readbyqxmd.com/read/29765857/dna-methylation-and-adult-neurogenesis
#6
REVIEW
Emily M Jobe, Xinyu Zhao
The role of DNA methylation in brain development is an intense area of research because the brain has particularly high levels of CpG and mutations in many of the proteins involved in the establishment, maintenance, interpretation, and removal of DNA methylation impact brain development and/or function. These include DNA methyltransferase (DNMT), Ten-Eleven Translocation (TET), and Methyl-CpG binding proteins (MBPs). Recent advances in sequencing breadth and depth as well the detection of different forms of methylation have greatly expanded our understanding of the diversity of DNA methylation in the brain...
November 9, 2017: Brain Plasticity
https://www.readbyqxmd.com/read/29764395/longitudinal-changes-in-bone-and-mineral-metabolism-after-cessation-of-cinacalcet-in-dialysis-patients-with-secondary-hyperparathyroidism
#7
Irene Ruderman, Edward R Smith, Nigel D Toussaint, Tim D Hewitson, Stephen G Holt
BACKGROUND: The calcimimetic agent cinacalcet is effective for the management of secondary hyperparathyroidism (SHPT) in dialysis patients. Changes to reimbursement of cinacalcet in Australia provided an opportunity to assess effects of medication cessation on biochemical and clinical outcomes in dialysis patients, including changes to novel biomarkers such as calciprotein particles (CPP). CPP are nanoparticles of mineral and protein in the circulation associated with increased vascular calcification in patients with chronic kidney disease...
May 15, 2018: BMC Nephrology
https://www.readbyqxmd.com/read/29761578/identification-of-the-coiled-coil-domain-as-an-essential-mbd3-element-for-preserving-lineage-commitment-potential-of-embryonic-stem-cells
#8
Masataka Hirasaki, Atsushi Ueda, Masamitsu N Asaka, Kousuke Uranishi, Ayumu Suzuki, Masakazu Kohda, Yosuke Mizuno, Yasushi Okazaki, Masazumi Nishimoto, Jafar Sharif, Haruhiko Koseki, Akihiko Okuda
Embryonic stem cells (ESCs) exhibit two salient features beneficial for regenerative medicine: unlimited self-renewal and pluripotency. Methyl-CpG-binding domain protein 3 (Mbd3), a scaffolding component of the nucleosome remodeling deacetylase complex, is a specific regulator of pluripotency, as ESCs lacking Mbd3 are defective for lineage commitment potential but retain normal self-renewal properties. However, functional similarities and dissimilarities among the three Mbd3 isoforms (a, b, and c) have not been intensively explored...
May 15, 2018: Stem Cells
https://www.readbyqxmd.com/read/29747653/inactivation-of-the-tight-junction-gene-cldn11-by-aberrant-hypermethylation-modulates-tubulins-polymerization-and-promotes-cell-migration-in-nasopharyngeal-carcinoma
#9
Hsin-Pai Li, Chen-Ching Peng, Chih-Ching Wu, Chien-Hsun Chen, Meng-Jhe Shih, Mei-Yuan Huang, Yi-Ru Lai, Yung-Li Chen, Ting-Wen Chen, Petrus Tang, Yu-Sun Chang, Kai-Ping Chang, Cheng-Lung Hsu
BACKGROUND: Aberrant hypermethylation of cellular genes is a common phenomenon to inactivate genes and promote tumorigenesis in nasopharyngeal carcinoma (NPC). METHODS: Methyl binding domain (MBD)-ChIP sequencing of NPC cells, microarray data of NPC biopsies and gene ontology analysis were conducted to identify a potential tumor suppressor gene CLDN11 that was both hypermethylated and downregulated in NPC. Bisulfite sequencing, qRT-PCR, immunohistochemistry staining of the NPC clinical samples and addition of methylation inhibitor, 5'azacytidine, in NPC cells were performed to verify the correlation between DNA hypermethylation and expression of CLDN11...
May 10, 2018: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/29741651/serum-phosphate-optimal-timing-and-range-associated-with-patients-survival-in-haemodialysis-the-cosmos-study
#10
José L Fernández-Martín, Adriana Dusso, Pablo Martínez-Camblor, Maria P Dionisi, Jürgen Floege, Markus Ketteler, Gérard London, Francesco Locatelli, José L Górriz, Boleslaw Rutkowski, Willem-Jan Bos, Christian Tielemans, Pierre-Yves Martin, Rudolf P Wüthrich, Drasko Pavlovic, Miha Benedik, Diego Rodríguez-Puyol, Juan J Carrero, Carmine Zoccali, Jorge B Cannata-Andía
Background: Serum phosphate is a key parameter in the management of chronic kidney disease-mineral and bone disorder (CKD-MBD). The timing of phosphate measurement is not standardized in the current guidelines. Since the optimal range of these biomarkers may vary depending on the duration of the interdialytic interval, in this analysis of the Current management of secondary hyperparathyroidism: a multicentre observational study (COSMOS), we assessed the influence of a 2- (midweek) or 3-day (post-weekend) dialysis interval for blood withdrawal on serum levels of CKD-MBD biomarkers and their association with mortality risk...
May 7, 2018: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29738034/evaluation-of-prevalence-biochemical-profile-and-drugs-associated-with-chronic-kidney-disease-mineral-and-bone-disorder-in-11-dialysis-centers
#11
Rodrigo Reis Abrita, Beatriz Dos Santos Pereira, Neimar da Silva Fernandes, Renata Abrita, Rosalia Maria Nunes Henriques Huaira, Marcus Gomes Bastos, Natália Maria da Silva Fernandes
INTRODUCTION: The diagnosis and treatment of mineral and bone disorder of chronic kidney disease (CKD-MBD) is a challenge for nephrologists and health managers. The aim of this study was to evaluate the prevalence, biochemical profile, and drugs associated with CKD-MBD. METHODS: Cross-sectional study between July and November 2013, with 1134 patients on dialysis. Sociodemographic, clinical, and laboratory data were compared between groups based on levels of intact parathyroid hormone (iPTH) (< 150, 150-300, 301-600, 601-1000, and > 1001 pg/mL)...
May 7, 2018: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
https://www.readbyqxmd.com/read/29738033/ckd-mbd-in-brazil-the-gap-between-reality-and-the-recommended-guidelines
#12
Melani Ribeiro Custódio
No abstract text is available yet for this article.
April 19, 2018: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
https://www.readbyqxmd.com/read/29723492/microbial-host-interactions-and-impaired-wound-healing-in-mice-and-humans-defining-a-role-for-bd14-and-nod2
#13
Helen Williams, Laura Campbell, Rachel A Crompton, Gurdeep Singh, Brian J McHugh, Donald J Davidson, Andrew J McBain, Sheena M Cruickshank, Matthew J Hardman
Chronic wounds cause significant patient morbidity and mortality. A key factor in their etiology is microbial infection, yet skin host-microbiota interactions during wound repair remain poorly understood. Microbiome profiles of non-infected human chronic wounds are associated with subsequent healing outcome. Furthermore, poor clinical healing outcome was associated with increased local expression of the pattern recognition receptor NOD2. To investigate NOD2 function in the context of cutaneous healing, we treated mice with the NOD2 ligand muramyl dipeptide (MDP) and analyzed wound repair parameters and expression of anti-microbial peptides...
April 30, 2018: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/29719093/interpersonal-psychotherapy-for-mood-and-behavior-dysregulation-pilot-randomized-trial
#14
Leslie Miller, Stefanie A Hlastala, Laura Mufson, Ellen Leibenluft, Gayane Yenokyan, Mark Riddle
BACKGROUND: Youth with chronic irritability and excessive reactivity, diagnosed as disruptive mood dysregulation disorder (DMDD), have social impairment in multiple settings (i.e., peers, school, and home). This paper presents a pilot randomized trial assessing the feasibility, acceptability, and preliminary efficacy of interpersonal psychotherapy (IPT) for mood and behavior dysregulation (IPT-MBD), an adapted version of IPT for depressed adolescents. IPT-MBD focuses on decreasing outbursts and irritability and improving interpersonal interactions...
May 2, 2018: Depression and Anxiety
https://www.readbyqxmd.com/read/29716795/metformin-prevents-the-development-of-severe-chronic-kidney-disease-and-its-associated-mineral-and-bone-disorder
#15
Ellen Neven, Benjamin Vervaet, Kerstin Brand, Ulrike Gottwald-Hostalek, Britt Opdebeeck, Annelies De Maré, Anja Verhulst, Jean-Daniel Lalau, Said Kamel, Marc E De Broe, Patrick C D'Haese
Chronic kidney disease (CKD) causes dysregulation of mineral metabolism, vascular calcification and renal osteodystrophy, an entity called 'CKD-Mineral and Bone Disorder' (CKD-MBD). Here we determine whether metformin, an anti-diabetic drug, exerts favorable effects on progressive, severe CKD and concomitant mineral metabolism disturbances. Rats with CKD-MBD, induced by a 0.25% adenine diet for eight weeks, were treated with 200 mg/kg/day metformin or vehicle from one week after CKD induction onward. Severe, stable CKD along with marked hyperphosphatemia and hypocalcemia developed in these rats which led to arterial calcification and high bone turnover disease...
April 28, 2018: Kidney International
https://www.readbyqxmd.com/read/29706765/correlation-between-mammographic-breast-density-breast-tissue-type-in-ultrasonography-fibroglandular-tissue-and-background-parenchymal-enhancement-in-magnetic-resonance-imaging
#16
Afsaneh Alikhassi, Seyedeh Nooshin Miratashi Yazdi, Hedieh Akbari, Sona Akbari Kia, Masoud Baikpour
Objective: Breast cancer is the most common malignancy in the female population, and imaging studies play a critical role for its early detection. Mammographic breast density (MBD) is one of the markers used to predict the risk stratification of breast cancer in patients. We aimed to assess the correlations among MBD, ultrasound breast composition (USBC), fibroglandular tissue (FGT), and the amount of background parenchymal enhancement (BPE) in magnetic resonance imaging, after considering the subjects' menopausal status...
2018: Breast Cancer: Basic and Clinical Research
https://www.readbyqxmd.com/read/29704936/associations-between-single-nucleotide-polymorphisms-in-the-calcium-sensing-receptor-and-chronic-kidney-disease-mineral-and-bone-disorder-in-cats
#17
R F Geddes, R E Jepson, Y Forcada, J Elliott, H M Syme
Feline chronic kidney disease (CKD) is associated with high variability in severity of CKD-mineral and bone disorder (CKD-MBD). The calcium sensing receptor (CaSR) regulates circulating parathyroid hormone (PTH) and calcium concentrations. Single nucleotide polymorphisms (SNPs) in the CaSR are associated with severity of secondary renal hyperparathyroidism and total calcium concentrations in human patients receiving haemodialysis. The objective of this study was to explore associations between polymorphisms in the feline CaSR (fCaSR) and biochemical changes observed in CKD-MBD...
May 2018: Veterinary Journal
https://www.readbyqxmd.com/read/29703451/osteoporosis-bone-mineral-density-and-ckd-mbd-complex-i-diagnostic-considerations
#18
Jordi Bover, Pablo Ureña-Torres, Josep-Vicent Torregrosa, Minerva Rodríguez-García, Cristina Castro-Alonso, José Luis Górriz, Ana María Laiz Alonso, Secundino Cigarrán, Silvia Benito, Víctor López-Báez, María Jesús Lloret Cora, Iara daSilva, Jorge Cannata-Andía
Osteoporosis (OP) and chronic kidney disease (CKD) independently influence bone and cardiovascular health. A considerable number of patients with CKD, especially those with stages 3a to 5D, have a significantly reduced bone mineral density leading to a high risk of fracture and a significant increase in associated morbidity and mortality. Independently of classic OP related to age and/or gender, the mechanical properties of bone are also affected by inherent risk factors for CKD ("uraemic OP"). In the first part of this review, we will analyse the general concepts regarding bone mineral density, OP and fractures, which have been largely undervalued until now by nephrologists due to the lack of evidence and diagnostic difficulties in the context of CKD...
April 24, 2018: Nefrología: Publicación Oficial de la Sociedad Española Nefrologia
https://www.readbyqxmd.com/read/29693329/an-examination-of-critical-parameters-in-hybridization-based-epigenotyping-using-magnetic-microparticles
#19
Brooke E Tam, Yining Hao, Hadley D Sikes
Gene-specific promoter methylation is involved in gene silencing and is an important cancer biomarker. Cancer-specific methylation patterns have been observed and clinically validated for numerous gene promoters, but the knowledge gleaned from this large body of work is currently under-utilized in the clinic. Methylation-specific PCR is currently the gold standard method for clinical methylation assessment, but several research groups have proposed hybridization-based techniques which could be simpler to implement and provide more accurate results...
April 25, 2018: Biotechnology Progress
https://www.readbyqxmd.com/read/29678693/disseminators-or-silencers-the-effect-of-information-diffusion-intensity-on-cooperation-in-public-goods-game
#20
Tong Chen, Zhenghong Wu, Le Wang
In the Network Era, with the emergence of various instant communication tools, the public are easier to be disseminators than ever. But we have often heard that silence is golden. Inspired by this fact, we investigate that whether the existence of disseminators is beneficial to promote cooperation in the provision of public culture services. To answer this interesting question, we classify disseminators as neutral disseminators, positive disseminators and negative disseminators. And four models are set up, namely, neutral disseminator model (MBD), positive disseminator model (MPD), negative disseminator model (MND) and silencer model (MS)...
April 17, 2018: Journal of Theoretical Biology
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