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https://www.readbyqxmd.com/read/28636525/prognostic-significance-of-improvement-in-right-ventricular-systolic-function-during-cardiac-resynchronization-therapy
#1
Frederik Helsen, Alexander Van De Bruaene, Charlien Gabriels, Mathias Claeys, Els Troost, Gábor Vörös, Rik Willems, Jens-Uwe Voigt, Werner Budts
Objectives There is conflicting evidence concerning the role of right ventricular (RV) systolic dysfunction in the long-term clinical outcome after cardiac resynchronization therapy (CRT). Therefore we aimed to assess evolution of RV systolic function during CRT, covariates associated with its improvement, and its impact on outcome. Methods and results All CRT device implantations (Jan 2009-Dec 2011) in our institution were reviewed. Records of 69 patients (25% female, mean age 62.8 ± 9.2 years, mean left ventricular (LV) ejection fraction 27 ± 8%) were analyzed...
March 31, 2017: Acta Cardiologica
https://www.readbyqxmd.com/read/28636460/evaluation-of-bovine-high-density-snp-genotyping-array-in-indigenous-dairy-cattle-breeds
#2
S Dash, A Singh, A K Bhatia, S Jayakumar, A Sharma, S Singh, I Ganguly, S P Dixit
In total 52 samples of Sahiwal ( 19 ), Tharparkar ( 17 ), and Gir ( 16 ) were genotyped by using BovineHD SNP chip to analyze minor allele frequency (MAF), genetic diversity, and linkage disequilibrium among these cattle. The common SNPs of BovineHD and 54K SNP Chips were also extracted and evaluated for their performance. Only 40%-50% SNPs of these arrays was found informative for genetic analysis in these cattle breeds. The overall mean of MAF for SNPs of BovineHD SNPChip was 0.248 ± 0.006, 0.241 ± 0...
June 21, 2017: Animal Biotechnology
https://www.readbyqxmd.com/read/28633561/regulation-of-energy-homeostasis-after-gastric-bypass-surgery
#3
Martin L Yarmush, Matthew D'Alessandro, Nima Saeidi
The obesity epidemic continues to escalate each year in the United States more than anywhere else in the world. The existing pharmaceutical and other nonsurgical treatments for morbid obesity produce suboptimal physiologic outcomes compared with those of Roux-en-Y gastric bypass (RYGB) surgery. RYGB has been the gold standard of bariatric surgery because the beneficial long-term outcomes, which include sustainable weight loss and type 2 diabetes mellitus (T2DM) resolution, are far superior to those obtained with other bariatric surgeries...
June 21, 2017: Annual Review of Biomedical Engineering
https://www.readbyqxmd.com/read/28633030/human-navigation-occipital-place-area-detects-potential-paths-in-a-scene
#4
E Z Patai, H J Spiers
Navigation - determining how to get from where you are to somewhere else - has obvious importance for the survival of motile animals. A new neuroimaging study has revealed that, in the human brain, the occipital place area detects the number of possible paths in a vista.
June 19, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28630036/understanding-health-information-seeking-on-the-internet-among-sexual-minority-people-cross-sectional-analysis-from-the-health-information-national-trends-survey
#5
Jennifer M Jabson, Joanne G Patterson, Charles Kamen
BACKGROUND: Individuals who face barriers to health care are more likely to access the Internet to seek health information. Pervasive stigma and heterosexism in the health care setting are barriers to health care for sexual minority people (SMP, ie, lesbian, gay, and bisexual people); therefore, SMP may be more likely to use the Internet as a source of health information compared to heterosexual people. OBJECTIVE: Currently, there is a dearth of published empirical evidence concerning health information seeking on the Internet among SMP; the current project addresses this gap...
June 19, 2017: JMIR Public Health and Surveillance
https://www.readbyqxmd.com/read/28629946/phytol-induced-pathology-in-2-hydroxyacyl-coa-lyase-hacl1-deficient-mice-evidence-for-a-second-non-hacl1-related-lyase
#6
Serena Mezzar, Evelyn De Schryver, Stanny Asselberghs, Els Meyhi, Petruta L Morvay, Myriam Baes, Paul P Van Veldhoven
2-Hydroxyacyl-CoA lyase (HACL1) is a key enzyme of the peroxisomal α-oxidation of phytanic acid. To better understand its role in health and disease, a mouse model lacking HACL1 was investigated. Under normal conditions, these mice did not display a particular phenotype. However, upon dietary administration of phytol, phytanic acid accumulated in tissues, mainly in liver and serum of KO mice. As a consequence of phytanic acid (or a metabolite) toxicity, KO mice displayed a significant weight loss, absence of abdominal white adipose tissue, enlarged and mottled liver and reduced hepatic glycogen and triglycerides...
June 16, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28626098/-association-between-glycosylated-hemoglobin-and-%C3%A2-non-alcoholic-fatty-liver-disease-in-%C3%A2-health-examination-population
#7
Qian Zhang, Yang Yu, Mengfeng Yang, Xiuping Lin, Yulan Liu, Xianggui Xu
To investigate associations between glycosylated hemoglobin (HbA1c) levels and non-alcoholic fatty liver disease (NAFLD) in population who underwent periodic heath examination.
 Methods: A total of 912 subjects were selected from the health examination adults in University of Hong Kong Shenzhen Hospital from June to November 2013, and they were assigned into a NAFLD group, an else hepatic disease group, and a control group. The physical examination results of these subjects were analyzed retrospectively. 
 Results: The prevalence of NAFLD was 29...
May 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28625767/early-life-stress-perturbs-the-function-of-microglia-in-the-developing-rodent-brain-new-insights-and-future-challenges
#8
REVIEW
Frances K Johnson, Arie Kaffman
The role of the innate immune system in mediating some of the consequences of childhood abuse and neglect has received increasing attention in recent years. Most of the work to date has focused on the role that neuroinflammation plays in the long-term adult psychiatric and medical complications associated with childhood maltreatment. The effects of stress-induced neuroinflammation on neurodevelopment have received little attention because until recently this issue has not been studied systematically in animal models of early life stress...
June 15, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28625393/establishment-and-characterization-of-uterine-sarcoma-and-carcinosarcoma-patient-derived-xenograft-models
#9
Tine Cuppens, Jeroen Depreeuw, Daniela Annibali, Debby Thomas, Els Hermans, Ellen Gommé, Xuan Bich Trinh, David Debruyne, Philippe Moerman, Diether Lambrechts, Frédéric Amant
OBJECTIVE: Uterine sarcomas (US) and carcinosarcomas (CS) are rare, aggressive cancers. The lack of reliable preclinical models hampers the search for new treatment strategies and predictive biomarkers. To this end, we established and characterized US and CS patient-derived xenograft (PDX) models. METHODS: Tumor fragments of US and CS were subcutaneously implanted into immunocompromised mice. Engrafted xenograft and original tumors were compared by means of histology, immunohistochemistry, whole-genome low-coverage sequencing for copy number variations, and RNA sequencing...
June 16, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28617197/chronic-early-life-stress-induced-by-limited-bedding-and-nesting-lbn-material-in-rodents-critical-considerations-of-methodology-outcomes-and-translational-potential
#10
Claire-Dominique Walker, Kevin G Bath, Marian Joels, Aniko Korosi, Muriel Larauche, Paul J Lucassen, Margaret J Morris, Charlis Raineki, Tania L Roth, Regina M Sullivan, Yvette Taché, Tallie Z Baram
The immediate and long term effects of exposure to early life stress (ELS) have been documented in humans and animal models. Even relatively brief periods of stress during the first 10 days of life in rodents can impact later behavioral regulation and the vulnerability to develop adult pathologies, in particular an impairment of cognitive functions and neurogenesis, but also modified social, emotional and conditioned fear responses. The development of preclinical models of ELS exposure allows the examination of mechanisms and testing of therapeutic approaches that are not possible in humans...
June 15, 2017: Stress: the International Journal on the Biology of Stress
https://www.readbyqxmd.com/read/28615715/rnaseq-based-transcriptomics-study-of-smcs-from-carotid-atherosclerotic-plaque-bmp2-and-ids-proteins-are-crucial-regulators-of-plaque-stability
#11
Iraide Alloza, Haize Goikuria, Juan Luis Idro, Juan Carlos Triviño, José María Fernández Velasco, Elena Elizagaray, María García-Barcina, Genoveva Montoya-Murillo, Esther Sarasola, Reyes Vega Manrique, Maria Del Mar Freijo, Koen Vandenbroeck
Carotid artery atherosclerosis is a risk factor to develop cerebrovascular disease. Atheroma plaque can become instable and provoke a cerebrovascular event or else remain stable as asymptomatic type. The exact mechanism involved in plaque destabilization is not known but includes among other events smooth muscle cell (SMC) differentiation. The goal of this study was to perform thorough analysis of gene expression differences in SMCs isolated from carotid symptomatic versus asymptomatic plaques. Comparative transcriptomics analysis of SMCs based on RNAseq technology identified 67 significant differentially expressed genes and 143 significant differentially expressed isoforms in symptomatic SMCs compared with asymptomatic...
June 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28614035/personalized-care-of-patients-with-adrenocortical-carcinoma-a-comprehensive-approach
#12
Barbra S Miller, Tobias Else
A concerted effort has been made in the past decade to better differentiate benign from malignant adrenocortical tumors. Of those tumors found to be adrenocortical carcinomas (ACCs) and through the use of multiple modalities including biochemical, radiologic, and genomic analysis, significant strides have been made in understanding what drives ACC development, how various treatments may result in different outcomes, which ACCs are more likely to respond to various treatments, and overall prognosis. While most patients will have recurrence of their ACC and succumb to their disease, the disease course is highly variable; it is therefore imperative that each patient is treated with individualized attention paid to their particular ACC...
June 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28613966/radiographic-classifications-in-perthes-disease
#13
Stefan Huhnstock, Svein Svenningsen, Else Merckoll, Anthony Catterall, Terje Terjesen, Ola Wiig
Background and purpose - Different radiographic classifications have been proposed for prediction of outcome in Perthes disease. We assessed whether the modified lateral pillar classification would provide more reliable interobserver agreement and prognostic value compared with the original lateral pillar classification and the Catterall classification. Patients and methods - 42 patients (38 boys) with Perthes disease were included in the interobserver study. Their mean age at diagnosis was 6.5 (3-11) years...
June 14, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/28612042/determination-of-adeno-associated-virus-rep-dna-binding-using-fluorescence-anisotropy
#14
Francisco Zarate-Perez, Vishaka Santosh, Martino Bardelli, Leticia Agundez, R Michael Linden, Els Henckaerts, Carlos R Escalante
Quantitative measurement of proteins binding to DNA is a requisite to fully characterize the structural determinants of complex formation necessary to understand the DNA transactions that regulate cellular processes. Here we describe a detailed protocol to measure binding affinity of the adeno-associated virus (AAV) Rep68 protein for the integration site AAVS1 using fluorescent anisotropy. This protocol can be used to measure the binding constants of any DNA binding protein provided the substrate DNA is fluorescently labeled...
March 20, 2017: Bio-protocol
https://www.readbyqxmd.com/read/28611594/overexpression-of-mineralocorticoid-receptors-in-the-mouse-forebrain-partly-alleviates-the-effects-of-chronic-early-life-stress-on-spatial-memory-neurogenesis-and-synaptic-function-in-the-dentate-gyrus
#15
Sofia Kanatsou, Henk Karst, Despoina Kortesidou, Rachelle A van den Akker, Jan den Blaauwen, Anjanette P Harris, Jonathan R Seckl, Harm J Krugers, Marian Joels
Evidence from human studies suggests that high expression of brain mineralocorticoid receptors (MR) may promote resilience against negative consequences of stress exposure, including childhood trauma. We examined, in mice, whether brain MR overexpression can alleviate the effects of chronic early life stress (ELS) on contextual memory formation under low and high stress conditions, and neurogenesis and synaptic function of dentate gyrus granular cells. Male mice were exposed to ELS by housing the dam with limited nesting and bedding material from postnatal day (PND) 2 to 9...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28611166/cytomegalovirus-duodenitis-in-immunocompetent-patients-what-else-should-we-look-for
#16
Dalila Costa, Dália Fernandes, Antónia Furtado, Andre Santa Cruz
Cytomegalovirus (CMV) infection is a well-recognised complication of immunodeficiency, although the burden of CMV disease in immunocompetent adults is still unknown. We present the case of a 54-year-old male patient admitted due to severe diarrhoea, epigastric pain and fever. Initial diagnostic workup revealed pericardial and pleural effusion, enlarged abdominal lymph nodes and mild elevation of liver enzymes. CMV serology was IgM positive, and upper endoscopy revealed proximal enteritis. Histology and immunohistochemistry of duodenal samples confirmed CMV disease...
June 13, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28610753/-i-had-a-good-time-when-i-was-young-interpreting-descriptions-of-continuity-among-older-people
#17
Mary Breheny, Zoë Griffiths
Messages describing how best to age are prominent in gerontological theory, research and the media. These prescriptions for ageing may foster positive experiences in later life; however, they may also obscure the social and situated nature of expectations for ageing well. Continuity Theory proposes ageing well is achieved through continuity of activity and stability of relationships and identity over the life course. Continuity seems adaptive, yet prioritising continuity may not match the expectations, desires and realities of older people...
April 2017: Journal of Aging Studies
https://www.readbyqxmd.com/read/28610254/three-new-macropsini-hemiptera-cicadellidae-leafhopper-species-from-australia
#18
Liyuan Yang, Christopher H Dietrich, Yalin Zhang
Three new species, Macropsella recta, Toropsis minuspina and Varicopsella apecurvata spp. nov. are described and illustrated from Australia.       Leafhoppers of the subfamily Macropsinae are found abundantly in the Holarctic, Oriental and Australian regions (Linnavuori, 1978) and have been collected from around the world, except for Antarctica, Oceania and South America (Hamilton, 1980). Both Hamilton (1980) and Evans (1966) suggested that there were likely a myriad of uncollected and undescribed species in Australia alone and Evans (1971) commented that the Macropsinae are possibly more abundant in Australia than anywhere else in the world...
June 2, 2017: Zootaxa
https://www.readbyqxmd.com/read/28608483/brugada-syndrome-brugada-phenocopy-or-none
#19
Umut Kocabas, Can Hasdemir, Esra Kaya, Cuneyt Turkoglu, Adrian Baranchuk
Brugada syndrome is a form of inherited arrhythmia syndrome characterized by a distinct ST-segment elevation in the right precordial leads. Brugada phenocopies are clinical entities that present with an electrocardiographic pattern identical to Brugada syndrome and may obey to various clinical conditions. We present a case of a suicidal attempt using a high dose of propafenone causing a Brugada-type electrocardiographic pattern. Is this a Brugada syndrome case, a Brugada phenocopy or something else?
June 13, 2017: Annals of Noninvasive Electrocardiology
https://www.readbyqxmd.com/read/28608362/chromosomal-microarray-as-a-primary-diagnostic-genomic-tool-for-pregnancies-defined-as-being-at-increased-risk-within-a-population-based-combined-first-trimester-screening-program
#20
Ida Vogel, Olav Bjørn Petersen, Rikke Christensen, Jon Hyett, Stina Lou, Else Marie Vestergaard
OBJECTIVE: To evaluate the impact of using high-resolution chromosomal microarray (CMA) as the standard diagnostic approach to examine for genomic imbalances in pregnancies with increased risk (≥1 in 300) defined through combined first trimester screening (cFTS). METHODS: A cohort of 575 consecutive pregnancies that had cFTS risk ≥1:300 through a publicly funded population based screening program in the Central and Northern Regions of Denmark between September 2015 and September 2016...
June 13, 2017: Ultrasound in Obstetrics & Gynecology
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