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https://www.readbyqxmd.com/read/27933721/shared-molecular-networks-in-orofacial-and-neural-tube-development
#1
Youssef A Kousa, Tamer A Mansour, Haitham Seada, Samaneh Matoo, Brian C Schutte
BACKGROUND: Single genetic variants can affect multiple tissues during development. Thus it is possible that disruption of shared gene regulatory networks might underlie syndromic presentations. In this study, we explore this idea through examination of two critical developmental programs that control orofacial and neural tube development and identify shared regulatory factors and networks. Identification of these networks has the potential to yield additional candidate genes for poorly understood developmental disorders and assist in modeling and perhaps managing risk factors to prevent morbidly and mortality...
December 9, 2016: Birth Defects Research. Part A, Clinical and Molecular Teratology
https://www.readbyqxmd.com/read/27933590/three-dimensional-rotational-angiography-for-assessment-of-coronary-arteries-during-melody-valve-implantation-introducing-a%C3%A2-technique-that-may-improve-outcomes
#2
C R Pockett, J W Moore, H G El-Said
BACKGROUND: Adverse events from Melody valve implantation may be catastrophic. To date a role for three dimensional rotational angiography of the aortic root (3DRAA) during Melody valve implantation has not been established. OBJECTIVES: To describe the role of 3DRAA in the assessment of Melody valve candidacy and to demonstrate that it may improve outcomes. METHODS: All patients who underwent cardiac catheterisation for Melody valve implantation and 3DRAA between August 2013 and February 2015 were reviewed...
December 8, 2016: Netherlands Heart Journal
https://www.readbyqxmd.com/read/27933547/anti-neuroinflammatory-effects-of-fucoxanthin-via-inhibition-of-akt-nf-%C3%AE%C2%BAb-and-mapks-ap-1-pathways-and-activation-of-pka-creb-pathway-in-lipopolysaccharide-activated-bv-2-microglial-cells
#3
Dong Zhao, Seung-Hwan Kwon, Yoon Sun Chun, Ming-Yao Gu, Hyun Ok Yang
Microglia play a critical role in controlling the homeostasis of the brain, but over-activated microglia secrete pro-inflammatory mediators and cytokines, which induce neuronal cell death. Fucoxanthin (Fx), a marine carotenoid, has demonstrated a variety of beneficial health effects. Despite accumulating evidence supporting the immune-modulating effects of Fx in vitro, the underlying signaling pathways remain unknown. In the present study, Fx dose-dependently inhibited the secretion of lipopolysaccharide (LPS)-induced pro-inflammatory mediators including interleukin (IL)-6, tumor necrosis factor (TNF)-α, reactive oxygen species (ROS), prostaglandin (PG) E2, and nitric oxide (NO) productions, and also suppressed the expression of inducible NO synthase (iNOS) and cyclooxygenase (COX)-2 enzymes...
December 8, 2016: Neurochemical Research
https://www.readbyqxmd.com/read/27933546/using-systems-genetics-to-understanding-the-etiology-of-complex-disease
#4
Ramesh Ram, Grant Morahan
Here, we discuss Systems Genetics applications for systematic evaluation of candidate causal genes together with follow-up bioinformatics pathway analysis. The aim of this chapter is to illustrate analytic procedures and we provide examples in the context of Type 1 diabetes (T1day), the risk of which is conferred by over 60 loci. We also describe the Type 1 Diabetes Systems Genetics website and provide a guide for its use and application to other diseases.
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27933539/systems-genetics-analysis-of-iron-and-its-regulation-in-brain-and-periphery
#5
Byron C Jones, Leslie C Jellen
In this contribution, we demonstrate the utility of the systems genetics-systems biology approach to the study of iron regulation while employing a comprehensive database. We describe our work in iron regulation in the brain and periphery under normal iron and iron-restricted dietary conditions in the BXD family of recombinant inbred mouse strains. Using multiple measures, we showed wide variation among the strains in the effect of being fed an iron-restricted diet for 100 days in every measure from brain and from the periphery...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27933538/systems-genetics-of-liver-fibrosis
#6
Rabea A Hall, Frank Lammert
This systems genetics analysis comprises quantitative measurements of hepatic fibrogenesis in mouse models and mapping of quantitative traits in mouse genetic reference populations. It is part of a large mapping project of fibrogenic genes including the analyses of experimental crosses from different inbred mouse strains. Extensive quantitative trait loci (QTL) mapping of fibrosis phenotypes and liver expression profiling in combination with in silico mapping facilitated the identification of QTL regions and underlying candidate genes that confer fibrosis susceptibility also in humans...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27933535/systems-genetics-analysis-to-identify-the-genetic-modulation-of-a-glaucoma-associated-gene
#7
Sumana R Chintalapudi, Monica M Jablonski
Loss of retinal ganglion cells (RGCs) is one of the hallmarks of retinal neurodegenerative diseases, glaucoma being one of the most common. Recently, γ-synuclein (SNCG) was shown to be highly expressed in the somas and axons of RGCs. In various mouse models of glaucoma, downregulation of Sncg gene expression correlates with RGC loss. To investigate the regulation of Sncg in RGCs, we used a systems genetics approach to identify a gene that modulates the expression of Sncg, followed by confirmatory studies in both healthy and diseased retinas...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27933534/genomic-control-of-retinal-cell-number-challenges-protocol-and-results
#8
Patrick W Keeley, Irene E Whitney, Benjamin E Reese
This chapter considers some of the challenges in obtaining accurate and consistent estimates of neuronal population size in the mouse retina, in order to identify the genetic control of cell number through QTL mapping and candidate gene analysis. We first discuss a variety of best practices for analyzing large numbers of recombinant inbred strains of mice over the course of a year in order to amass a satisfactory dataset for QTL mapping. We then consider the relative merits of using average cell density versus estimated total cell number as the target trait to be assessed, and why estimates of heritability may differ for these two traits when studying the retina in whole-mount preparations...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27933529/qtl-mapping-and-identification-of-candidate-genes-in-do-mice-a-use-case-model-derived-from-a-benzene-toxicity-experiment
#9
Dan Gatti, John E French, Klaus Schughart
Diversity Outbred (DO) mice are a multiparental advanced generation intercross population derived from eight inbred strains which are genetically very diverse. They are maintained as an outbred population using a randomized mating design. Thus DO mice represent an ideal population to map phenotypic traits. Here, we provide a case study in which male DO mice were exposed to benzene and phenotyped for the number of micronucleated reticulocytes. We provide step-by-step R scripts for the analysis of phenotypes, genotypes, mapping of resistance gene loci and identification of candidate genes...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27933523/integrative-functional-genomics-for-systems-genetics-in-geneweaver-org
#10
Jason A Bubier, Michael A Langston, Erich J Baker, Elissa J Chesler
The abundance of existing functional genomics studies permits an integrative approach to interpreting and resolving the results of diverse systems genetics studies. However, a major challenge lies in assembling and harmonizing heterogeneous data sets across species for facile comparison to the positional candidate genes and coexpression networks that come from systems genetic studies. GeneWeaver is an online database and suite of tools at www.geneweaver.org that allows for fast aggregation and analysis of gene set-centric data...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27933504/mental-health-support-provided-throughout-the-bariatric-surgery-clinical-pathway-in-french-specialized-care-centers-for-obesity
#11
Kristopher Lamore, Sandra S Kaci, Sébastien Czernichow, Marion Bretault, Jean-Luc Bouillot, Anne-Jeanne Naudé, Sandra Gribe-Ouaknine, Claire Carette, Cécile Flahault
OBJECTIVE: Pre-operative psychological assessment is recommended by international guidelines for bariatric surgery candidates. Thereby, service teams caring for bariatric patients should include at least one mental health provider (e.g., a psychologist or psychiatrist). The objective of this study was to evaluate the psychology and psychiatry resources and practices in the 37 specialized obesity centers (CSOs) created by the French Ministry of Health. MATERIALS AND METHODS: CSO coordinators were contacted by e-mail to collect general information on the centers (e...
December 8, 2016: Obesity Surgery
https://www.readbyqxmd.com/read/27933485/fluid-based-biomarkers-for-amyotrophic-lateral-sclerosis
#12
REVIEW
Lucas T Vu, Robert Bowser
Amyotrophic lateral sclerosis (ALS) is a highly heterogeneous disease with no effective treatment. Drug development has been hampered by the lack of biomarkers that aid in early diagnosis, demonstrate target engagement, monitor disease progression, and can serve as surrogate endpoints to assess the efficacy of treatments. Fluid-based biomarkers may potentially address these issues. An ideal biomarker should exhibit high specificity and sensitivity for distinguishing ALS from control (appropriate disease mimics and other neurologic diseases) populations and monitor disease progression within individual patients...
December 8, 2016: Neurotherapeutics: the Journal of the American Society for Experimental NeuroTherapeutics
https://www.readbyqxmd.com/read/27933401/improvement-of-abnormal-vaginal-flora-in-ugandan-women-by-self-testing-and-short-use-of-intravaginal-antimicrobials
#13
G Donders, G Bellen, F Donders, J Pinget, I Vandevelde, T Michiels, J Byamughisa
The vaginal composition of African women is more often lactobacillus-deficient compared to that of women from other areas around the world. Lactobacillus-deficient microflora is a known risk factor for serious health problems, such as preterm birth, cervix cancer, and entrapment of human immunodeficiency virus (HIV) and other sexually transmitted infections (STIs). The aim of this study was to assess the effect of local vaginal antibiotic or antiseptic treatment on abnormal vaginal flora (AVF), aerobic vaginitis (AV), and bacterial vaginosis (BV) among women in rural, semi-urban, and urban areas in Uganda, as compared to placebo...
December 8, 2016: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/27933369/imaging-mass-spectrometry-in-drug-development-and-toxicology
#14
REVIEW
Oskar Karlsson, Jörg Hanrieder
During the last decades, imaging mass spectrometry has gained significant relevance in biomedical research. Recent advances in imaging mass spectrometry have paved the way for in situ studies on drug development, metabolism and toxicology. In contrast to whole-body autoradiography that images the localization of radiolabeled compounds, imaging mass spectrometry provides the possibility to simultaneously determine the discrete tissue distribution of the parent compound and its metabolites. In addition, imaging mass spectrometry features high molecular specificity and allows comprehensive, multiplexed detection and localization of hundreds of proteins, peptides and lipids directly in tissues...
December 8, 2016: Archives of Toxicology
https://www.readbyqxmd.com/read/27933354/-pathophysiology-diagnosis-and-treatment-of-zenker-s-diverticulum
#15
T Hussain, J T Maurer, S Lang, B A Stuck
Zenker's diverticulum occurs at the dorsal pharyngoesophageal junction through Killian's dehiscence and is caused by increased intrabolus pressure. Symptomatic disease most frequently affects male elderly patients. Primary symptom is oropharyngeal dysphagia, as well as regurgitation of undigested food, halitosis, and chronic aspiration. A barium swallow study is performed to confirm diagnosis. Treatment options for symptomatic patients include open surgery, as well as transoral rigid or flexible endoscopic procedures...
December 8, 2016: HNO
https://www.readbyqxmd.com/read/27933337/biodegradation-of-the-herbicide-2-4-dichlorophenoxyacetic-acid-by-a-new-isolated-strain-of-achromobacter-sp-lz35
#16
Zhen-Yuan Xia, Long Zhang, Yan Zhao, Xin Yan, Shun-Peng Li, Tao Gu, Jian-Dong Jiang
In this study, a bacterial strain of Achromobacter sp. LZ35, which was capable of utilizing 2,4-dichlorophenoxyacetic acid (2,4-D) and 2-methyl-4-chlorophenoxy acetic acid (MCPA) as the sole sources of carbon and energy for growth, was isolated from the soil in a disused pesticide factory in Suzhou, China. The optimal 2,4-D degradation by strain LZ35 occurred at 30 °C and pH 8.0 when the initial 2,4-D concentration was 200 mg L(-1). Strain LZ35 harbored the conserved 2,4-D/alpha-ketoglutarate dioxygenase (96%) and 2,4-dichlorophenol hydroxylase (99%), and catabolized 2,4-D via the intermediate 2,4-dichlorophenol...
December 8, 2016: Current Microbiology
https://www.readbyqxmd.com/read/27933320/genetics-and-pathogenesis-of-idiopathic-scoliosis
#17
REVIEW
A Grauers, E Einarsdottir, P Gerdhem
Idiopathic scoliosis (IS), the most common spinal deformity, affects otherwise healthy children and adolescents during growth. The aetiology is still unknown, although genetic factors are believed to be important. The present review corroborates the understanding of IS as a complex disease with a polygenic background. Presumably IS can be due to a spectrum of genetic risk variants, ranging from very rare or even private to very common. The most promising candidate genes are highlighted.
2016: Scoliosis and Spinal Disorders
https://www.readbyqxmd.com/read/27933312/the-genetics-and-epigenetics-of-ptsd-overview-recent-advances-and-future-directions
#18
Christina M Sheerin, Mackenzie J Lind, Kaitlin Bountress, Nicole R Nugent, Ananda B Amstadter
This paper provides a brief summary and commentary on the growing literature and current developments related to the genetic underpinnings of posttraumatic stress disorder (PTSD). We first briefly provide an overview of the behavioral genetic literature on PTSD, followed by a short synopsis of the substantial candidate gene literature with a focus on genes that have been meta-analyzed. We then discuss the genome-wide association studies (GWAS) that have been conducted, followed by an introduction to other molecular platforms used in PTSD genomic studies, such as epigenetic and expression approaches...
April 2017: Current Opinion in Psychology
https://www.readbyqxmd.com/read/27933236/purification-and-antigenic-detection-of-o-specific-polysaccharides-of-salmonella-enterica-serovar-paratyphi-a-isolate-from-pakistan-an-emerging-threat
#19
Zainab Rahmat, Aamir Ali, Yasra Sarwar, Muhammad Salman, Abdul Haque
BACKGROUND: Paratyphoid fever caused by Salmonella enterica serovar Paratyphi A is becoming a serious health problem in Asian countries particularly Pakistan, China and India and situation is aggravated by current unavailability of a licensed vaccine. This study was designed to purify the O-specific polysaccharides (OSP) produced by an isolate of Salmonella Paratyphi A from Pakistan and detect antigenicity of extracted lipopolysaccharide (LPS) and purified OSP pioneerly in South Asian region as candidate for conjugate vaccine preparation...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27933082/rna-seq-transcriptome-response-of-flax-linum-usitatissimum-l-to-the-pathogenic-fungus-fusarium-oxysporum-f-sp-lini
#20
Leonardo Galindo-González, Michael K Deyholos
Fusarium oxysporum f. sp. lini is a hemibiotrophic fungus that causes wilt in flax. Along with rust, fusarium wilt has become an important factor in flax production worldwide. Resistant flax cultivars have been used to manage the disease, but the resistance varies, depending on the interactions between specific cultivars and isolates of the pathogen. This interaction has a strong molecular basis, but no genomic information is available on how the plant responds to attempted infection, to inform breeding programs on potential candidate genes to evaluate or improve resistance across cultivars...
2016: Frontiers in Plant Science
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