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https://www.readbyqxmd.com/read/27933755/maternal-pre-pregnancy-bmi-downregulates-neonatal-cord-blood-lep-methylation
#1
R Kadakia, Y Zheng, Z Zhang, W Zhang, L Hou, J L Josefson
BACKGROUND: Neonatal adiposity has many determinants and may be a risk factor for future obesity. Epigenetic regulation of metabolically important genes is a potential contributor. OBJECTIVES: The objective of the study is to determine whether methylation changes in the LEP gene in cord blood DNA are impacted by the maternal environment or affect neonatal adiposity measures. METHODS: A cross-sectional study of 114 full-term neonates born to healthy mothers with normal glucose tolerance was performed...
December 8, 2016: Pediatric Obesity
https://www.readbyqxmd.com/read/27933724/comparative-analysis-reveals-amino-acids-critical-for-anticancer-activity-of-peptide-cigb-552
#2
Soledad Astrada, Yolanda Gomez, Exequiel Barrera, Gonzalo Obal, Otto Pritsch, Sergio Pantano, Maribel G Vallespí, Mariela Bollati-Fogolín
Because of resistance development by cancer cells against current anticancer drugs, there is a considerable interest in developing novel antitumor agents. We have previously demonstrated that CIGB-552, a novel cell-penetrating synthetic peptide, was effective in reducing tumor size and increasing lifespan in tumor-bearing mice. Studies of protein-peptide interactions have shown that COMMD1 protein is a major mediator of CIGB-552 antitumor activity. Furthermore, a typical serine-protease degradation pattern for CIGB-552 in BALB/c mice serum was identified, yielding peptides which differ from CIGB-552 in size and physical properties...
November 2016: Journal of Peptide Science: An Official Publication of the European Peptide Society
https://www.readbyqxmd.com/read/27933712/the-importance-of-mrna-structure-in-determining-the-pathogenicity-of-synonymous-and-non-synonymous-mutations-in-haemophilia
#3
N Hamasaki-Katagiri, B C Lin, J Simon, R C Hunt, T Schiller, E Russek-Cohen, A A Komar, H Bar, C Kimchi-Sarfaty
INTRODUCTION: Mutational analysis is commonly used to support the diagnosis and management of haemophilia. This has allowed for the generation of large mutation databases which provide unparalleled insight into genotype-phenotype relationships. Haemophilia is associated with inversions, deletions, insertions, nonsense and missense mutations. Both synonymous and non-synonymous mutations influence the base pairing of messenger RNA (mRNA), which can alter mRNA structure, cellular half-life and ribosome processivity/elongation...
December 9, 2016: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/27933683/genetics-and-the-conservation-of-natural-populations-allozymes-to-genomes
#4
Fred W Allendorf
I consider how the study of genetic variation has influenced efforts to conserve natural populations over the last 50 years. Studies with allozymes in the 1970s provided the first estimates of the amount of genetic variation within and between natural populations at multiple loci. These early studies played an important role in developing plans to conserve species. The description of genetic variation in mitochondrial DNA in the early 1980s laid the foundation for the field of phylogeography, which provided a deeper look in time of the relationships and connectivity among populations...
December 9, 2016: Molecular Ecology
https://www.readbyqxmd.com/read/27933681/evaluating-a-primary-care-psychology-service-in-ireland-a-survey-of-stakeholders-and-psychologists
#5
Mark Corcoran, Michael Byrne
Primary care psychology services (PCPS) represent an important resource in meeting the various health needs of our communities. This study evaluated the PCPS in a two-county area within the Republic of Ireland. The objectives were to (i) examine the viewpoints of the service for both psychologists and stakeholders (healthcare professionals only) and (ii) examine the enactment of the stepped care model of service provision. Separate surveys were sent to primary care psychologists (n = 8), general practitioners (GPs; n = 69) and other stakeholders in the two counties...
December 8, 2016: Health & Social Care in the Community
https://www.readbyqxmd.com/read/27933674/heterosis-in-hybrids-within-and-between-yeast-species
#6
Joana Bernardes, Rike B Stelkens, Duncan Greig
The performance of hybrids relative to their parents is an important factor in speciation research. We measured the growth of 46 Saccharomyces yeast F1 inter-specific and intra-specific hybrids, relative to the growth of each of their parents, in pairwise competition assays. We found that the growth of a hybrid relative to the average of its parents, a measure of mid-parent heterosis, correlated with the difference in parental growth relative to their hybrid, a measure of phenotypic divergence, which is consistent with simple complementation of low fitness alleles in one parent by high fitness alleles in the other...
December 9, 2016: Journal of Evolutionary Biology
https://www.readbyqxmd.com/read/27933671/causal-inference-in-obesity-research
#7
REVIEW
P W Franks, N Atabaki-Pasdar
Obesity is a risk factor for a plethora of severe morbidities and premature death. Most supporting evidence comes from observational studies that are prone to chance, bias and confounding. Even data on the protective effects of weight loss from randomized controlled trials will be susceptible to confounding and bias if treatment assignment cannot be masked, which is usually the case with lifestyle and surgical interventions. Thus, whilst obesity is widely considered the major modifiable risk factor for many chronic diseases, its causes and consequences are often difficult to determine...
December 8, 2016: Journal of Internal Medicine
https://www.readbyqxmd.com/read/27933654/in-vitro-detection-of-diesel-exhaust-particles-induced-human-lung-carcinoma-epithelial-cells-damage-and-the-effect-of-resveratrol
#8
Qifei Li, Mingjie Tang, Anhong Zhou
People are taking up antioxidants in their daily diet and being exposed to a potential diesel exhaust particles (DEP)-containing environment. Thus it is important to study in vitro cellular responses when cells are exposed to DEP with or without antioxidant treatment. The investigation of DEP and resveratrol (RES) on cellular biophysical and biochemical changes is needed to better understand the mechanisms of DEP and RES in mammalian cells. A combination of two non-invasive techniques (atomic force microscopy, AFM, and Raman spectroscopy, RM) and multimodal tools were applied to evaluate the biophysical, biochemical alterations and cytokine, membrane potential and cell cycle of cells with or without RES pretreatment to different times of DEP exposure...
December 9, 2016: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/27933649/using-chiral-peptide-substitutions-to-probe-the-structure-function-relationship-of-a-key-residue-of-a%C3%AE-42
#9
Christopher J A Warner, Subrata Dutta, Alejandro R Foley, Eefei Chen, David S Kliger, Jevgenij A Raskatov
Amyloid beta-protein 42 plays an important role in the onset and progression of Alzheimer's disease. Familial mutations have identified the glutamate residue 22 as a hotspot with regard to peptide neurotoxicity. We introduce an approach to study the influence of systematic sidechain modification at this residue, employing chirality as a structural probe. Circular dichroism experiments reveal that charge-preserving alterations of the amino acid sidechain attenuate the characteristic random coil to β-sheet transition associated with the wildtype peptide...
December 8, 2016: Chirality
https://www.readbyqxmd.com/read/27933638/nursing-interventions-for-smoking-cessation-in-hospitalized-patients-a-systematic-review
#10
REVIEW
Z Kazemzadeh, Z S Manzari, Z Pouresmail
AIM: This study aimed to clarify the role of nurses in planning and implementation of nursing interventions related to smoking cessation. BACKGROUND AND INTRODUCTION: Nearly half of all smokers die from smoking-related illnesses. Quitting smoking can reduce these problems. Smoking cessation interventions include various types helping smokers successfully quit. Studies suggest that hospitalization can be a golden opportunity for nurses helping patients to quit smoking because of No Smoking regulations...
December 9, 2016: International Nursing Review
https://www.readbyqxmd.com/read/27933602/fish-tales-the-use-of-zebrafish-xenograft-human-cancer-cell-models
#11
REVIEW
Yvette Drabsch, B Ewa Snaar-Jagalska, Peter Ten Dijke
Advances in scientific techniques have provided researchers with exceptional new opportunities to identify and monitor changes between different cancer types, during different stages of progression, between individual tumor cells and in the surrounding stroma. The wealth of information that can be obtained from new scientific techniques places additional requirements on the conventional cancer models. New models that could be used to rapidly access the (potential) functional importance of newly identified (epi)genetic and proteomic changes and test the efficacy on emerging (combinatorial) therapies are desperately required...
December 9, 2016: Histology and Histopathology
https://www.readbyqxmd.com/read/27933594/vegetable-peel-waste-for-the-production-of-zno-nanoparticles-and-its-toxicological-efficiency-antifungal-hemolytic-and-antibacterial-activities
#12
T V Surendra, Selvaraj Mohana Roopan, Naif Abdullah Al-Dhabi, Mariadhas Valan Arasu, Gargi Sarkar, K Suthindhiran
Zinc oxide (ZnO) nanoparticles (NPs) are important materials when making different products like sun screens, textiles, and paints. In the current study, the photocatalytic effect of prepared ZnO NPs from Moringa oleifera (M. oleifera) was evaluated on degradation of crystal violet (CV) dye, which is largely released from textile industries and is harmful to the environment. Preliminarily, ZnO NP formation was confirmed using a double beam ultraviolet visible (UV-Vis) spectrophotometer; further, the NP size was estimated using XRD analysis and the functional group analysis was determined using Fourier transform infrared (FT-IR) spectroscopy...
December 2016: Nanoscale Research Letters
https://www.readbyqxmd.com/read/27933588/mitraclip-step-by-step-how-to-simplify-the-procedure
#13
REVIEW
M A Sherif, L Paranskaya, S Yuecel, S Kische, O Thiele, G D'Ancona, A Neuhausen-Abramkina, J Ortak, H Ince, A Öner
The MitraClip system is a device for percutaneous edge-to-edge reconstruction of the mitral valve in patients with severe mitral regurgitation who are deemed at high risk for surgery. Studies have underlined the therapeutic benefit of the MitraClip system for patients at extreme and high risk for mitral valve surgery, suffering from either degenerative or functional mitral regurgitation. The MitraClip procedure shows low peri-procedural complication rates, and a significant reduction in mitral regurgitation, as well as an improvement in functional capacity and most importantly quality of life...
December 8, 2016: Netherlands Heart Journal
https://www.readbyqxmd.com/read/27933584/matrine-treatment-blocks-nogoa-induced-neural-inhibitory-signaling-pathway-in-ongoing-experimental-autoimmune-encephalomyelitis
#14
Quan-Cheng Kan, Hui-Jun Zhang, Yuan Zhang, Xing Li, Yu-Ming Xu, Rodolfo Thome, Ming-Liang Zhang, Nan Liu, Yao-Juan Chu, Guang-Xian Zhang, Li Zhu
Myelin-associated inhibitors, such as NogoA, myelin-associated glycoprotein (MAG), and oligodendrocyte myelin glycoprotein (OMgp), play a pivotal role in the lack of neuroregeneration in multiple sclerosis, an inflammatory demyelinating disease of the central nervous system (CNS). Matrine (MAT), a monomer that is used in traditional Chinese medicine as an anti-inflammatory agent, has shown beneficial effects in experimental autoimmune encephalomyelitis (EAE), an animal model of MS. However, the underlying mechanisms of MAT-induced EAE amelioration are not fully understood...
December 9, 2016: Molecular Neurobiology
https://www.readbyqxmd.com/read/27933567/impact-of-endoscopic-ultrasound-guided-fine-needle-aspiration-in-prospective-liver-transplant-recipients-with-hepatocellular-carcinoma-and-lymphadenopathy
#15
Narendra S Choudhary, Rajesh Puri, Sanjiv Saigal, Prashant Bhangui, Neeraj Saraf, Vinit Shah, Mukesh Nasa, Haimanti Sarin, Mridula Guleria, Randhir Sud, Arvinder S Soin
BACKGROUND: Diagnosis of metastatic disease is important in patients with cirrhosis and hepatocellular carcinoma (HCC) to prevent futile liver transplantation. Some of these patients have metastatic lymphadenopathy; however, it is difficult to perform percutaneous fine-needle aspiration due to presence of collateral and anatomic location. Endoscopic ultrasound (EUS)-guided fine-needle aspiration (FNA) of lymph nodes offers several advantages like real-time vision, proximity to target, and avoidance of collaterals...
December 8, 2016: Indian Journal of Gastroenterology: Official Journal of the Indian Society of Gastroenterology
https://www.readbyqxmd.com/read/27933548/metabolic-characterization-of-acutely-isolated-hippocampal-and-cerebral-cortical-slices-using-u-13-c-glucose-and-1-2-13-c-acetate-as-substrates
#16
Laura F McNair, Rasmus Kornfelt, Anne B Walls, Jens V Andersen, Blanca I Aldana, Jakob D Nissen, Arne Schousboe, Helle S Waagepetersen
Brain slice preparations from rats, mice and guinea pigs have served as important tools for studies of neurotransmission and metabolism. While hippocampal slices routinely have been used for electrophysiology studies, metabolic processes have mostly been studied in cerebral cortical slices. Few comparative characterization studies exist for acute hippocampal and cerebral cortical slices, hence, the aim of the current study was to characterize and compare glucose and acetate metabolism in these slice preparations in a newly established incubation design...
December 8, 2016: Neurochemical Research
https://www.readbyqxmd.com/read/27933545/the-collaborative-cross-resource-for-systems-genetics-research-of-infectious-diseases
#17
Paul L Maurizio, Martin T Ferris
An increasing body of evidence highlights the role of host genetic variation in driving susceptibility to severe disease following pathogen infection. In order to fully appreciate the importance of host genetics on infection susceptibility and resulting disease, genetically variable experimental model systems should be employed. These systems allow for the identification, characterization, and mechanistic dissection of genetic variants that cause differential disease responses. Herein we discuss application of the Collaborative Cross (CC) panel of recombinant inbred strains to study viral pathogenesis, focusing on practical considerations for experimental design, assessment and analysis of disease responses within the CC, as well as some of the resources developed for the CC...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27933541/social-interactions-and-indirect-genetic-effects-on-complex-juvenile-and-adult-traits
#18
David G Ashbrook, Reinmar Hager
Most animal species are social in one form or another, yet many studies in rodent model systems use either individually housed animals or ignore potential confounds caused by group housing. While such social interaction effects on developmental and behavioral traits are well established, the genetic basis of social interactions has not been researched in as much detail. Specifically, the effects of genetic variation in social partners on the phenotype of a focal individual have mostly been studied at the phenotypic level...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27933499/assessment-of-molecularly-imprinted-polymers-mips-in-the-preconcentration-of-disperse-red-73-dye-prior-to-photoelectrocatalytic-treatment
#19
Jefferson Honorio Franco, Alejandra Ben Aissa, Guilherme Garcia Bessegato, Laura Martinez Fajardo, Maria Valnice Boldrin Zanoni, María Isabel Pividori, Maria Del Pilar Taboada Sotomayor
Magnetic molecularly imprinted polymers (MMIPs) have become a research hotspot due to their two important characteristics: target recognition and magnetic separation. This paper presents the preparation, characterization, and optimization of an MMIP for the preconcentration of disperse red 73 dye (DR73) and its subsequent efficient degradation by photoelectrocatalytic treatment. The MMIPs were characterized by scanning electron microscopy (SEM), which revealed homogeneous distribution of the particles. Excellent encapsulation of magnetite was confirmed by transmission electron microscopy (TEM)...
December 8, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27933473/high-percentage-of-ibd-patients-with-indefinite-fecal-calprotectin-levels-additional-value-of-a-combination-score
#20
Alexander G L Bodelier, Daisy Jonkers, Tim van den Heuvel, Evelien de Boer, Wim Hameeteman, Ad A M Masclee, Marie J Pierik
BACKGROUND AND AIM: Monitoring mucosal inflammation in inflammatory bowel disease (IBD) is of major importance to prevent complications and improve long-term disease outcome. The correlation of clinical activity indices with endoscopic disease activity is, however, moderate. Fecal calprotectin (FC) is a better predictor of mucosal inflammation, but values between 100 and 250 µg/g are difficult to interpret in clinical practice. We aimed to evaluate the occurrence of indefinite FC levels in a real-life IBD cohort and study the additional value of a combination of biochemical markers and clinical activity indices...
December 8, 2016: Digestive Diseases and Sciences
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