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https://www.readbyqxmd.com/read/28087757/alternative-transcription-of-sodium-bicarbonate-transporter-slc4a7-gene-enhanced-by-single-nucleotide-polymorphisms
#1
Hae Jeong Park, Soojung Lee, Eunji Ju, Jayre A Jones, Inyeong Choi
Genome-wide association studies have identified the single nucleotide polymorphism (SNP) rs3278 in the human SLC4A7 gene as one of the marker loci for addiction vulnerability. This marker is located in an intron of the gene, and its genomic role has been unknown. In this study, we examined rs3278 and three adjacent SNPs prevalent in alcoholics for their effects on an alternative promoter that would lead to the production of the N-terminally truncated protein NBCn1ΔN450, missing the first 450 amino acids. Analysis of the transcription start site database and a promoter prediction algorithm identified a cluster of three promoters in intron 7 and two short CpG-rich sites in intron 6...
January 13, 2017: Physiological Genomics
https://www.readbyqxmd.com/read/28087713/functional-genomics-reveals-that-tumors-with-activating-phosphoinositide-3-kinase-mutations-are-dependent-on-accelerated-protein-turnover
#2
Teresa Davoli, Kristen E Mengwasser, Jingjing Duan, Ting Chen, Camilla Christensen, Eric C Wooten, Anthony N Anselmo, Mamie Z Li, Kwok-Kin Wong, Kristopher T Kahle, Stephen J Elledge
Activating mutations in the phosphoinositide 3-kinase (PI3K) signaling pathway are frequently identified in cancer. To identify pathways that support PI3K oncogenesis, we performed a genome-wide RNAi screen in isogenic cell lines harboring wild-type or mutant PIK3CA to search for PI3K synthetic-lethal (SL) genes. A combined analysis of these results with a meta-analysis of two other large-scale RNAi screening data sets in PI3K mutant cancer cell lines converged on ribosomal protein translation and proteasomal protein degradation as critical nononcogene dependencies for PI3K-driven tumors...
December 15, 2016: Genes & Development
https://www.readbyqxmd.com/read/28087642/stxbp4-drives-tumor-growth-and-is-associated-with-poor-prognosis-through-pdgf-receptor-signaling-in-lung-squamous-cell-carcinoma
#3
Yukihiro Otaka, Susumu Rokudai, Kyoichi Kaira, Michiru Fujieda, Ikuko Horikoshi, Reika Kawabata, Shinji Yoshiyama, Takehiko Yokobori, Yoichi Ohtaki, Kimihiro Shimizu, Tetsunari Oyama, Jun'ichi Tamura, Carol Prives, Masahiko Nishiyama
PURPOSE: Expression of the ΔN isoform of p63 (ΔNp63) is a diagnostic marker highly specific for lung squamous cell carcinoma (SCC). We previously found that Syntaxin Binding Protein 4 (STXBP4) regulates ΔNp63 ubiquitination, suggesting that STXBP4 may also be a SCC biomarker. To address this issue, we investigated the role of STXBP4 expression in SCC biology and the impact of STXBP4 expression on SCC prognosis. EXPERIMENTAL DESIGN: We carried out a clinicopathological analysis of STXBP4 expression in 87 lung SCC patients...
January 13, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28087438/dopa-responsive-dystonia-in-chinese-patients-including-a-novel-heterozygous-mutation-in-the-gch1-gene-with-an-intermediate-phenotype-and-one-case-of-prenatal-diagnosis
#4
Wen Zhang, Zhizi Zhou, Xiuzhen Li, Yonglan Huang, Taolin Li, Yunting Lin, Yongxian Shao, Hao Hu, Hongsheng Liu, Li Liu
Dopa-responsive dystonia (DRD) is a rare inherited disorder characterized by childhood-onset dystonia with diurnal fluctuation and dramatic response to levodopa. DRD is caused by the mutations in the genes encoding the enzymes involved in the dopamine and tetrahydrobiopterin (BH4) biosynthesis, including the GTP cyclohydrolase 1 (GCH1) gene and the tyrosine hydroxylase (TH) gene. In order to improve the diagnosis and expand the knowledge of the disease, we collected and analyzed relevant data of clinical diagnosis and molecular mutational analysis in five Chinese patients with DRD...
January 10, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28087330/molecular-characterization-and-functional-analysis-of-a-salmon-louse-lepeophtheirus-salmonis-kr%C3%A3-yer-1838-heme-peroxidase-with-a-potential-role-in-extracellular-matrixes
#5
Aina-Cathrine Øvergård, Christiane Eichner, Frank Nilsen, Sussie Dalvin
Heme peroxidases are the most abundant type of peroxidase catalyzing a H2O2-dependent oxidation of a wide variety of substrates. They are involved in numerous processes like the innate immune response, hormone and prostaglandin synthesis and crosslinking of proteins within extracellular matrixes (ECM) as well as molecules within the cuticle and chorion of arthropods and nematodes. In the present study, a Lepeophtheirus salmonis heme peroxidase (LsHPX) 1 was characterized. Amino acids in the active site of heme peroxidases were conserved, and the predicted protein sequence showed the highest similarity to genes annotated as chorion peroxidases and genes suggested to be involved in cuticle hardening or adhesion...
January 10, 2017: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
https://www.readbyqxmd.com/read/28086865/rnai-reveals-proteins-for-metabolism-and-protein-processing-associated-with-langat-virus-infection-in-ixodes-scapularis-black-legged-tick-ise6-cells
#6
Jeffrey M Grabowski, Monika Gulia-Nuss, Richard J Kuhn, Catherine A Hill
BACKGROUND: Tick-borne flaviviruses (TBFs) cause thousands of human cases of encephalitis worldwide each year, with some TBF infections progressing to hemorrhagic fever. TBFs are of medical and veterinary importance and strategies to reduce flavivirus transmission by the tick vector may have significant application. Analyses of the proteome of ISE6 cells derived from the black legged tick, Ixodes scapularis infected with the TBF, Langat virus (LGTV), have provided insights into proteins and cellular processes involved with LGTV infection...
January 13, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28086860/nicotiana-attenuata-data-hub-nadh-an-integrative-platform-for-exploring-genomic-transcriptomic-and-metabolomic-data-in-wild-tobacco
#7
Thomas Brockmöller, Zhihao Ling, Dapeng Li, Emmanuel Gaquerel, Ian T Baldwin, Shuqing Xu
BACKGROUND: Nicotiana attenuata (coyote tobacco) is an ecological model for studying plant-environment interactions and plant gene function under real-world conditions. During the last decade, large amounts of genomic, transcriptomic and metabolomic data have been generated with this plant which has provided new insights into how native plants interact with herbivores, pollinators and microbes. However, an integrative and open access platform that allows for the efficient mining of these -omics data remained unavailable until now...
January 13, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28086811/study-of-the-microrna-expression-profile-of-foreskin-derived-mesenchymal-stromal-cells-following-inflammation-priming
#8
Hussein Fayyad-Kazan, Mohammad Fayyad-Kazan, Bassam Badran, Dominique Bron, Laurence Lagneaux, Mehdi Najar
BACKGROUND: Due to their self-renewal capacity, multi-lineage potential, and immunomodulatory properties, mesenchymal stromal cells (MSCs) are an attractive tool for different therapeutic strategies. Foreskin (FSK), considered as a biological waste material, has already been shown to be a valuable source of MSCs. Besides their typical fibroblast like morphology and International Society for cellular Therapy compliant phenotype, foreskin-MSCs (FSK-MSCs) are clonogenic, and highly proliferative cells with multi-lineage and strong immunomodulatory capacities...
January 13, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28086790/rna-sequencing-for-global-gene-expression-associated-with-muscle-growth-in-a-single-male-modern-broiler-line-compared-to-a-foundational-barred-plymouth-rock-chicken-line
#9
Byung-Whi Kong, Nicholas Hudson, Dongwon Seo, Seok Lee, Bhuwan Khatri, Kentu Lassiter, Devin Cook, Alissa Piekarski, Sami Dridi, Nicholas Anthony, Walter Bottje
BACKGROUND: Modern broiler chickens exhibit very rapid growth and high feed efficiency compared to unselected chicken breeds. The improved production efficiency in modern broiler chickens was achieved by the intensive genetic selection for meat production. This study was designed to investigate the genetic alterations accumulated in modern broiler breeder lines during selective breeding conducted over several decades. METHODS: To identify genes important in determining muscle growth and feed efficiency in broilers, RNA sequencing (RNAseq) was conducted with breast muscle in modern pedigree male (PeM) broilers (n = 6 per group), and with an unselected foundation broiler line (Barred Plymouth Rock; BPR)...
January 13, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28086788/comprehensive-circrna-expression-profile-and-selection-of-key-circrnas-during-priming-phase-of-rat-liver-regeneration
#10
Lifei Li, Jianlin Guo, Yanhui Chen, Cuifang Chang, Cunshuan Xu
BACKGROUND: Rat liver regeneration (LR) proceeds along a process of highly organized and ordered tissue growth in response to the loss or injury of liver tissue, during which many physiological processes may play important roles. The molecular mechanism of hepatocyte proliferation, energy metabolism and substance metabolism during rat LR had been elucidated. Further, the correlation of circular RNA (circRNA) abundance with proliferation has recently been clarified. However, the regulatory capacity of circRNA in rat LR remains a fascinating topic...
January 13, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28081487/comparative-genome-wide-phylogenetic-and-expression-analysis-of-sbp-genes-from-potato-solanum-tuberosum
#11
Musa Kavas, Aslıhan Kurt Kızıldoğan, Büşra Abanoz
Flowering time is a very important phase in transition to reproductive stage of life in higher plants. SQUAMOSA promoter-binding protein (SBP) gene family encodes plant-specific transcription factors that are involved in regulation of several developmental processes, especially flowering. Although SBP-box genes have been identified in different plants, there have been no study indicating the regulatory effect of SBP box in potato flowering. Here, we report for the first time the identification and characterization of SBP-box transcription factors as well as determination of expression level of SBP-box genes in Solanum tuberosum L...
January 4, 2017: Computational Biology and Chemistry
https://www.readbyqxmd.com/read/28081267/single-nucleotide-variants-of-candidate-genes-in-aggrecan-metabolic-pathway-are-associated-with-lumbar-disc-degeneration-and-modic-changes
#12
Romain Shanil Perera, Poruwalage Harsha Dissanayake, Upul Senarath, Lalith Sirimevan Wijayaratne, Aranjan Lional Karunanayake, Vajira Harshadeva Weerabaddana Dissanayake
INTRODUCTION: Lumbar disc degeneration (LDD) is genetically determined and severity of LDD is associated with Modic changes. Aggrecan is a major proteoglycan in the intervertebral disc and end plate. Progressive reduction of aggrecan is a main feature of LDD and Modic changes. OBJECTIVES: The study investigated the associations of single nucleotide variants (SNVs) of candidate genes in the aggrecan metabolic pathway with the severity of LDD and Modic changes. In-silico functional analysis of significant SNVs was also assessed...
2017: PloS One
https://www.readbyqxmd.com/read/28079158/aryl-hydrocarbon-receptor-ahr-dependent-regulation-of-pulmonary-mirna-by-chronic-cigarette-smoke-exposure
#13
Sarah Rogers, Angela Rico de Souza, Michela Zago, Matthew Iu, Necola Guerrina, Alvin Gomez, Jason Matthews, Carolyn J Baglole
The aryl hydrocarbon receptor (AhR) is a ligand-activated transcription factor historically known for its toxic responses to man-made pollutants such as dioxin. More recently, the AhR has emerged as a suppressor of inflammation, oxidative stress and apoptosis from cigarette smoke by mechanisms that may involve the regulation of microRNA. However, little is known about the AhR regulation of miRNA expression in the lung in response to inhaled toxicants. Therefore, we exposed Ahr(-/-) and Ahr(+/-) mice to cigarette smoke for 4 weeks and evaluated lung miRNA expression by PCR array...
January 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28078425/odorant-receptors-and-antennal-lobe-morphology-offer-a-new-approach-to-understanding-olfaction-in-the-asian-longhorned-beetle
#14
Robert F Mitchell, Loyal P Hall, Peter F Reagel, Duane D McKenna, Thomas C Baker, John G Hildebrand
The Asian longhorned beetle Anoplophora glabripennis (Motchulsky) is an exotic forest pest that has repeatedly invaded North America and Europe from Asia, and has the potential to kill millions of trees and cause billions of dollars in damage. Traps baited with an attractive mixture of volatile organic compounds from hosts have been of limited success in monitoring invasion sites. We propose that lures might be improved through studying the olfactory system of adult beetles, especially the gene family of odorant receptors (ORs) and the structure of the antennal lobes of the brain...
January 11, 2017: Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology
https://www.readbyqxmd.com/read/28077801/human-papillomavirus-type-16-e6-suppresses-microrna-23b-expression-in-human-cervical-cancer-cells-through-dna-methylation-of-the-host-gene-c9orf3
#15
Chi Lam Au Yeung, Tsun Yee Tsang, Pak Lun Yau, Tim Tak Kwok
Oncogenic protein E6 of human papillomavirus type 16 (HPV-16) is believed to involve in the aberrant methylation in cervical cancer as it upregulates DNA methyltransferase 1 (DNMT1) through tumor suppressor p53. In addition, DNA demethylating agent induces the expression of one of the HPV-16 E6 regulated microRNAs (miRs), miR-23b, in human cervical carcinoma SiHa cells. Thus, the importance of DNA methylation and miR-23b in HPV-16 E6 associated cervical cancer development is investigated. In the present study, however, it is found that miR-23b is not embedded in any typical CpG island...
January 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28077570/ktcnlncdb-a-first-platform-to-investigate-lncrnas-expressed-in-human-keratoconus-and-non-keratoconus-corneas
#16
Michał W Szcześniak, Michal Kabza, Justyna A Karolak, Malgorzata Rydzanicz, Dorota M Nowak, Barbara Ginter-Matuszewska, Piotr Polakowski, Rafal Ploski, Jacek P Szaflik, Marzena Gajecka
Keratoconus (KTCN, OMIM 148300) is a degenerative eye disorder characterized by progressive stromal thinning that leads to a conical shape of the cornea, resulting in optical aberrations and even loss of visual function. The biochemical background of the disease is poorly understood, which motivated us to perform RNA-Seq experiment, aimed at better characterizing the KTCN transcriptome and identification of long non-coding RNAs (lncRNAs) that might be involved in KTCN etiology. The in silico functional studies based on predicted lncRNA:RNA base-pairings led us to recognition of a number of lncRNAs possibly regulating genes with known or plausible links to KTCN...
2017: Database: the Journal of Biological Databases and Curation
https://www.readbyqxmd.com/read/28077567/farme-db-a-functional-antibiotic-resistance-element-database
#17
James C Wallace, Jesse A Port, Marissa N Smith, Elaine M Faustman
Antibiotic resistance (AR) is a major global public health threat but few resources exist that catalog AR genes outside of a clinical context. Current AR sequence databases are assembled almost exclusively from genomic sequences derived from clinical bacterial isolates and thus do not include many microbial sequences derived from environmental samples that confer resistance in functional metagenomic studies. These environmental metagenomic sequences often show little or no similarity to AR sequences from clinical isolates using standard classification criteria...
2017: Database: the Journal of Biological Databases and Curation
https://www.readbyqxmd.com/read/28077403/gene-co-expression-analysis-for-functional-classification-and-gene-disease-predictions
#18
Sipko van Dam, Urmo Võsa, Adriaan van der Graaf, Lude Franke, João Pedro de Magalhães
Gene co-expression networks can be used to associate genes of unknown function with biological processes, to prioritize candidate disease genes or to discern transcriptional regulatory programmes. With recent advances in transcriptomics and next-generation sequencing, co-expression networks constructed from RNA sequencing data also enable the inference of functions and disease associations for non-coding genes and splice variants. Although gene co-expression networks typically do not provide information about causality, emerging methods for differential co-expression analysis are enabling the identification of regulatory genes underlying various phenotypes...
January 10, 2017: Briefings in Bioinformatics
https://www.readbyqxmd.com/read/28077389/enhanced-oxidative-capacity-of-ground-squirrel-brain-mitochondria-during-hibernation
#19
Mallory A Ballinger, Christine Schwartz, Matthew T Andrews
During hibernation, thirteen-lined ground squirrels (Ictidomys tridecemlineatus) regularly cycle between bouts of torpor and interbout arousal (IBA).  Most of the brain is electrically quiescent during torpor, but regains activity quickly upon arousal to IBA resulting in extreme oscillations in energy demand during hibernation.  We predicted increased functional capacity of brain mitochondria during hibernation compared to spring to accommodate the variable energy demands of hibernation.  To address this hypothesis, we examined mitochondrial bioenergetics in the ground squirrel brain across three time points: spring (SP), torpor (TOR), and IBA...
January 11, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28077379/effects-of-supplementation-with-nondigestible-carbohydrates-on-fecal-calprotectin-and-on-epigenetic-regulation-of-sfrp1-expression-in-the-large-bowel-mucosa-of-healthy-individuals
#20
Fiona C Malcomson, Naomi D Willis, Iain McCallum, Long Xie, Idoia Ibero-Baraibar, Wing C Leung, Seamus Kelly, D Michael Bradburn, Nigel J Belshaw, Ian T Johnson, John C Mathers
BACKGROUND: Hyperactive Wnt signaling is frequently observed in colorectal cancer. Higher intakes of dietary fiber [nondigestible carbohydrates (NDCs)] and the fermentation product butyrate are protective against colorectal cancer and may exert their preventative effects via modulation of the Wnt pathway. OBJECTIVES: We investigated the effects of supplementing healthy individuals with 2 NDCs [resistant starch (RS) and polydextrose] on fecal calprotectin concentrations and Wnt pathway-related gene expression...
January 11, 2017: American Journal of Clinical Nutrition
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