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https://www.readbyqxmd.com/read/28645321/genome-wide-analysis-of-dna-methylation-in-hypothalamus-and-ovary-of-capra-hircus
#1
Stefano Frattini, Emanuele Capra, Barbara Lazzari, Stephanie D McKay, Beatrice Coizet, Andrea Talenti, Debora Groppetti, Pietro Riccaboni, Alessandro Pecile, Stefania Chessa, Bianca Castiglioni, John L Williams, Giulio Pagnacco, Alessandra Stella, Paola Crepaldi
BACKGROUND: DNA methylation is a frequently studied epigenetic modification due to its role in regulating gene expression and hence in biological processes and in determining phenotypic plasticity in organisms. Rudimentary DNA methylation patterns for some livestock species are publically available: among these, goat methylome deserves to be further explored. RESULTS: Genome-wide DNA methylation maps of the hypothalamus and ovary from Saanen goats were generated using Methyl-CpG binding domain protein sequencing (MBD-seq)...
June 23, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28639740/declining-rates-of-hip-fracture-in-end-stage-renal-disease-analysis-from-the-2003-2011-nationwide-inpatient-sample
#2
Sun Moon Kim, Sai Liu, Jin Long, Maria E Montez-Rath, Mary B Leonard, Glenn M Chertow
The incidence of hip fracture in patients with end-stage renal disease (ESRD) is considerably higher than that in the general age- and sex-matched population. Although medical therapy for chronic kidney disease mineral bone disorder (CKD-MBD) has changed considerably over the last decade, rates of hip fracture in the entire ESRD population have not been well-characterized. Herein, we evaluated temporal trends in rates of hip fracture, in-hospital mortality, and costs of associated hospital stay in ESRD. We identified hospitalizations for hip fracture from 2003 to 2011 using the Nationwide Inpatient Sample, a representative national database inclusive of all ages and payers...
June 22, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28637186/cpg-and-methylation-dependent-dna-binding-and-dynamics-of-the-methylcytosine-binding-domain-2-protein-at-the-single-molecule-level
#3
Hai Pan, Stephanie M Bilinovich, Parminder Kaur, Robert Riehn, Hong Wang, David C Williams
The methylcytosine-binding domain 2 (MBD2) protein recruits the nucleosome remodeling and deacetylase complex (NuRD) to methylated DNA to modify chromatin and regulate transcription. Importantly, MBD2 functions within CpG islands that contain 100s to 1000s of potential binding sites. Since NuRD physically rearranges nucleosomes, the dynamic mobility of this complex is directly related to function. In these studies, we use NMR and single-molecule atomic force microscopy and fluorescence imaging to study DNA binding dynamics of MBD2...
June 20, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28635669/modulation-of-human-%C3%AE-defensin-1-production-by-viruses
#4
REVIEW
Lisa Kathleen Ryan, Gill Diamond
While initially identified as a broad-spectrum antimicrobial peptide, constitutively expressed in epithelia, human β-defensin (hBD)-1 is now recognized to have a more complex pattern of expression of its gene, DEFB1, as well as activities that extend beyond direct antimicrobial. These observations suggest a complex role for hBD-1 in the host defense against viral infections, as evidenced by its expression in cells involved in viral defense, and its gene regulation in response to viral challenge. This regulation is observed both in vitro and in vivo in humans, as well as with the murine homolog, mBD-1...
June 21, 2017: Viruses
https://www.readbyqxmd.com/read/28623542/identification-of-differentially-expressed-mirnas-associated-with-chronic-kidney-disease-mineral-bone-disorder
#5
Kyung Im Kim, Sohyun Jeong, Nayoung Han, Jung Mi Oh, Kook-Hwan Oh, In-Wha Kim
The purpose of this study is to characterize a meta-signature of differentially expressed mRNA in chronic kidney disease (CKD) to predict putative microRNA (miRNA) in CKD-mineral bone disorder (CKD-MBD) and confirm the changes in these genes and miRNA expression under uremic conditions by using a cell culture system. PubMed searches using MeSH terms and keywords related to CKD, uremia, and mRNA arrays were conducted. Through a computational analysis, a meta-signature that characterizes the significant intersection of differentially expressed mRNA and expected miRNAs associated with CKD-MBD was determined...
June 14, 2017: Frontiers of Medicine
https://www.readbyqxmd.com/read/28616217/is-chronic-kidney-disease-mineral-and-bone-disorder-associated-with-the-presence-of-endothelial-progenitor-cells-with-a-calcifying-phenotype
#6
Giuseppe Cianciolo, Irene Capelli, Maria Cappuccilli, Anna Scrivo, Chiara Donadei, Antonio Marchetti, Paola Rucci, Gaetano La Manna
Background: Chronic kidney disease-mineral and bone disorder (CKD-MBD) has been implicated in vascular calcification pathogenesis. CKD-MBD results in alterations in the number and function of circulating endothelial progenitor cells (EPCs), physiological regulators of angiogenesis and vessel repair, commonly defined as proangiogenic progenitor cells (PACs) by the antigen pattern CD34+CD133+KDR+CD45- and putative EPCs by the pattern CD34+CD133-KDR+CD45-. These cells might acquire a calcifying phenotype in CKD-MBD, expressing mineralization biomarkers...
June 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28613915/inter-country-analysis-of-breast-density-classification-using-visual-grading
#7
Christine N Damases, Peter Hogg, Mark F McEntee
OBJECTIVE: Disagreement in mammographic breast density (MBD) assessment can impact breast cancer risk stratification, choices of further breast cancer screening intervals and pathways. This study examines whether inter-country MBD expectations and assessment approaches are associated with differences in MBD assessment. METHODS: Twenty American Board of Radiology (ABR) examiners and 24 United Kingdom (UK) practitioners using the 4(th) edition BI-RADS(®) lexicon assessed 40 mammogram cases of 20 women...
June 14, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28607888/postoperative-pain-in-adult-tonsillectomy-is-there-any-difference-between-the-technique
#8
Itziar Álvarez Palacios, Ricardo González-Orús Álvarez-Morujo, Cristina Alonso Martínez, Alejandra Ayala Mejías, Oscar Arenas Brítez
Tonsillectomy is one of the most common surgical procedures performed worldwide. Several techniques have been developed to reduce morbidity and enhance recovery after tonsillectomy. Our study was designed to compare post-operative pain with three different techniques: cold dissection (CD), monopolar-bipolar dissection (MBD) and coblation dissection (CBD). 103 adults were scheduled for elective tonsillectomy from September 2014 to December 2015, and were randomized to CD, MBD and CBD. Post-operative pain was assessed using visual analogue scale (VAS) and Lattinen Test (LT)...
June 2017: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/28580176/engineering-affinity-agents-for-the-detection-of-hemi-methylated-cpg-sites-in-dna
#9
B E Tarn, K-J Sung, H D Sikes
Wild-type methyl-CpG-binding domain (MBD) proteins specifically bind symmetrically methylated DNA sequences, and assays have been developed that use these proteins for profiling DNA methylation. Here, we use directed evolution in the yeast surface display format to identify a new protein variant that binds hemi-methylated CpG dinucleotides.
October 1, 2016: Molecular Systems Design & Engineering
https://www.readbyqxmd.com/read/28573386/uremic-toxicity-and-bone-in-ckd
#10
REVIEW
Suguru Yamamoto, Masafumi Fukagawa
Patients with chronic kidney disease (CKD), especially those on dialysis treatment, are at high risk of bone fracture. In CKD-mineral and bone disorder (CKD-MBD), secondary hyperparathyroidism in patients with advanced CKD induces bone abnormalities, and skeletal resistance to parathyroid hormone (PTH) starts in the early stages of kidney disease. Uremic toxins such as indoxyl sulfate and p-cresyl sulfate reduce the expression of PTH receptor as well as PTH-induced cyclic adenosine 3',5' monophosphate production in osteoblasts...
June 1, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/28561776/qualitative-versus-quantitative-mammographic-breast-density-assessment-applications-for-the-us-and-abroad
#11
REVIEW
Stamatia Destounis, Andrea Arieno, Renee Morgan, Christina Roberts, Ariane Chan
Mammographic breast density (MBD) has been proven to be an important risk factor for breast cancer and an important determinant of mammographic screening performance. The measurement of density has changed dramatically since its inception. Initial qualitative measurement methods have been found to have limited consistency between readers, and in regards to breast cancer risk. Following the introduction of full-field digital mammography, more sophisticated measurement methodology is now possible. Automated computer-based density measurements can provide consistent, reproducible, and objective results...
May 31, 2017: Diagnostics
https://www.readbyqxmd.com/read/28542388/targeted-dna-methylation-in-pericentromeres-with-genome-editing-based-artificial-dna-methyltransferase
#12
Taiga Yamazaki, Yu Hatano, Tetsuya Handa, Sakiko Kato, Kensuke Hoida, Rui Yamamura, Takashi Fukuyama, Takayuki Uematsu, Noritada Kobayashi, Hiroshi Kimura, Kazuo Yamagata
To study the impact of epigenetic changes on biological functions, the ability to manipulate the epigenetic status of certain genomic regions artificially could be an indispensable technology. "Epigenome editing" techniques have gradually emerged that apply TALE or CRISPR/Cas9 technologies with various effector domains isolated from epigenetic code writers or erasers such as DNA methyltransferase, 5-methylcytosine oxidase, and histone modification enzymes. Here we demonstrate that a TALE recognizing a major satellite, consisting of a repeated sequence in pericentromeres, could be fused with the bacterial CpG methyltransferase, SssI...
2017: PloS One
https://www.readbyqxmd.com/read/28540603/positioning-novel-biologicals-in-ckd-mineral-and-bone-disorders
#13
REVIEW
Lida Tartaglione, Marzia Pasquali, Silverio Rotondi, Maria Luisa Muci, Adrian Covic, Sandro Mazzaferro
Renal osteodystrophy (ROD), the histologic bone lesions of chronic kidney disease (CKD), is now included in a wider syndrome with laboratory abnormalities of mineral metabolism and extra-skeletal calcifications or CKD-mineral and bone disorders (CKD-MBD), to highlight the increased burden of mortality. Aging people, frequently identified as early CKD, could suffer from either the classical age-related osteoporosis (OP) or ROD. Distinguishing between these two bone diseases may not be easy without bone biopsy...
May 24, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/28538933/epidemiological-profile-of-public-servants-absent-from-work-due-to-mental-disorders-from-2010-to-2013
#14
Davi Baasch, Rafaela Luiza Trevisan, Roberto Moraes Cruz
Objective: Describe the epidemiological profile of mental and behavior disorders (MBD) of public servants in the State of Santa Catarina, which resulted in workers providing medical certificates, between 2010 and 2013. Method: A descriptive cross-sectional study with a quantitative approach, performed from data provided by the State Secretary of Administration. All medical certificates classified as in Chapter V of ICD-10 - Group "F" - Mental and Behavioral Disorders (MBD) were considered for analysis in the period...
May 2017: Ciência & Saúde Coletiva
https://www.readbyqxmd.com/read/28535521/fibroblast-growth-factor-23-mineral-metabolism-and-beyond
#15
Alexander Grabner, Sandro Mazzaferro, Giuseppe Cianciolo, Stefanie Krick, Irene Capelli, Silverio Rotondi, Claudio Ronco, Gaetano La Manna, Christian Faul
Patients affected by chronic kidney disease (CKD) exhibit a high risk of cardiovascular mortality that is poorly explained by traditional risk factors. There is a growing awareness about the role of derangement of mineral metabolism that is currently accepted as a trigger and sustainer of cardiovascular disease (CVD) in CKD patients. The synthetic definition of CKD mineral and bone disorder (CKD-MBD) split the concept that the indexes of mineral metabolism extend their effects beyond the bone until the vascular wall and metabolic milieu of CKD patients through complex pathways...
2017: Contributions to Nephrology
https://www.readbyqxmd.com/read/28533541/development-of-a-novel-chronic-kidney-disease-mouse-model-to-evaluate-the-progression-of-hyperphosphatemia-and-associated-mineral-bone-disease
#16
Takashi Tani, Hideo Orimo, Akira Shimizu, Shuichi Tsuruoka
Medial arterial calcification (MAC) and renal osteodystrophy are complications of mineral bone disease (MBD) associated with chronic kidney disease (CKD). Our aim was to develop a novel mouse model to investigate the clinical course of CKD-MBD. Eight-week-old C57BL/6 J male mice were assigned to the following groups: the control group, fed a standard chow for 6 or 12 weeks; the CKD-normal phosphorus (NP) group, fed a chow containing 0.2% adenine, with normal (0.8%) phosphorus, for 6 or 12 weeks; and the CKD-high phosphorus (HP) group, fed 6 weeks with the 0...
May 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28524723/l1-retrotransposition-is-activated-by-ten-eleven-translocation-protein-1-and-repressed-by-methyl-cpg-binding-proteins
#17
Peng Zhang, Anne K Ludwig, Florian D Hastert, Cathia Rausch, Anne Lehmkuhl, Ines Hellmann, Martha Smets, Heinrich Leonhardt, M Cristina Cardoso
One of the major functions of DNA methylation is the repression of transposable elements, such as the long-interspersed nuclear element 1 (L1). The underlying mechanism(s), however, are unclear. Here, we addressed how retrotransposon activation and mobilization are regulated by methyl-cytosine modifying ten-eleven-translocation (Tet) proteins and how this is modulated by methyl-CpG binding domain (MBD) proteins. We show that Tet1 activates both, endogenous and engineered L1 retrotransposons. Furthermore, we found that Mecp2 and Mbd2 repress Tet1-mediated activation of L1 by preventing 5hmC formation at the L1 promoter...
May 19, 2017: Nucleus
https://www.readbyqxmd.com/read/28508128/the-cardiothoracic-ratio-and-all-cause-and-cardiovascular-disease-mortality-in-patients-undergoing-maintenance-hemodialysis-results-of-the-mbd-5d-study
#18
Hiroaki Ogata, Junji Kumasawa, Shingo Fukuma, Masahide Mizobuchi, Eriko Kinugasa, Masafumi Fukagawa, Shunichi Fukuhara, Tadao Akizawa
BACKGROUND: The cardiothoracic ratio (CTR) is a non-invasive left ventricular hypertrophy index. However, whether CTR associates with cardiovascular disease (CVD) and mortality in hemodialysis (HD) populations is unclear. METHODS: Using a Mineral and Bone disorder Outcomes Study for Japanese CKD Stage 5D Patients (MBD-5D Study) subcohort, 2266 prevalent HD patients (age 62.8 years, female 38.0%, HD duration 9.4 years) with secondary hyperparathyroidism (SHPT) whose baseline CTR had been recorded were selected...
May 15, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28502032/circulating-markers-of-bone-turnover
#19
REVIEW
Marc G Vervloet, Vincent M Brandenburg
Renal osteodystrophy is a feature of chronic kidney disease (CKD), with increasing prevalence as CKD progresses. This bone disease is responsible for major morbidity, including fractures, and a deterioration in the quality of life and its sequelae. Circulating biomarkers of renal osteodystrophy typically indicate bone turnover, but not other features of bone, like bone volume, mineralization, quality or strength. Bone turnover can be considered to be primarily a reflection of bone cell activity, in particular that of osteoblasts and osteoclasts...
May 13, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/28493902/circulating-levels-of-sclerostin-but-not-dkk1-associate-with-laboratory-parameters-of-ckd-mbd
#20
Geert J Behets, Liesbeth Viaene, Björn Meijers, Frank Blocki, Vincent M Brandenburg, Anja Verhulst, Patrick C D'Haese, Pieter Evenepoel
INTRODUCTION: Mounting evidence indicates that a disturbed Wnt-β-catenin signaling may be involved in the pathogenesis of chronic kidney disease-mineral and bone and mineral disorder (CKD-MBD). Data on the impact of CKD on circulating levels of the Wnt antagonists sclerostin and Dickkopf related protein 1 (DKK1) and the relationship with laboratory parameters of CKD-MBD are incomplete. METHODS: We analyzed serum sclerostin and DKK1 in 308 patients across the stages of chronic kidney disease (kDOQI stage 1-2 n = 41; CKD stage 3 n = 54; CKD stage 4-5 n = 54; hemodialysis n = 100; peritoneal dialysis n = 59) as well as in 49 healthy controls...
2017: PloS One
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