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https://www.readbyqxmd.com/read/29166639/apobec3a-expression-in-penile-squamous-cell-carcinoma
#1
Martina Heller, Elena-Sophie Prigge, Adam Kaczorowski, Magnus von Knebel Doeberitz, Markus Hohenfellner, Stefan Duensing
BACKGROUND: APOBECs (apolipoprotein B mRNA-editing catalytic polypeptides) are cytidine deaminases that have been implicated in the host defense against viruses by blocking viral replication. They have also been shown to play a role in genome hypermutation in several human cancers. An APOBEC3 hypermutation signature has been discovered in cervical cancer, which is intimately associated with infection by high-risk human papillomaviruses (HPVs). At the same time, HPV genomes themselves are subject to DNA editing by APOBECs...
November 23, 2017: Pathobiology: Journal of Immunopathology, Molecular and Cellular Biology
https://www.readbyqxmd.com/read/29166505/anogenital-warts-in-pediatric-population
#2
Miguel Costa-Silva, Inês Fernandes, Acácio Gonçalves Rodrigues, Carmen Lisboa
The approach to children with anogenital warts in the context of sexual abuse is a challenge in clinical practice. This study aims to review the current knowledge of anogenital warts in children, the forms of transmission, and the association with sexual abuse and to propose a cross-sectional approach involving all medical specialties. A systematic review of the literature was conducted in Portuguese and English from January 2000 to June 2016 using the ISI Web of Knowledge and PubMed databases. Children aged 12 years or younger were included...
September 2017: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/29166287/assessment-of-genomic-inbreeding-in-polish-konik-horses
#3
S Kamiński, D M Hering, Z Jaworski, T Zabolewicz, A Ruść
The aim of this study was to assess the inbreeding coefficient of Polish Konik horses based on runs of homozygosity (ROH). Ninety six horses kept in 6 herds located across Poland were genotyped with the use of EquineSNP60 BeadChip (Illumina). SNP markers with a Minor Allele Frequency lower than 0.01 and SNPs assigned to chromosome X or Y were excluded from the study. A total of 50 708 SNPs were included for statistical analysis (SVS software, Golden Helix). The analysis showed that the population is in genetic equilibrium, with He and Ho estimates both equal to 0...
September 26, 2017: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/29166280/differentiation-of-infectious-bronchitis-virus-vaccine-strains-ma5-and-4-91-by-taqman-real-time-pcr
#4
T Stenzel, D Dziewulska, M Śmiałek, B Tykałowski, J Kowalczyk, A Koncicki
The aim of this study was to develop rapid molecular assays for differentiating vaccine strains Ma5 and 4/91 of the infectious bronchitis virus (IBV). Specific primers and probes for S1 and N genes were designed based on the nucleotide sequences of both vaccine strains. Cross-reactivity was not observed. Assay sensitivity was 2.373 × 103 copies of the Ma5 strain, and 3.852 x 103 copies of the 4/91 strain. Samples belonging to a known genotype demonstrated that the designed assays supported rapid and sensitive detection of Ma5 and 4/91 vaccine strains of IBV...
September 26, 2017: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/29166127/bat-biology-genomes-and-the-bat1k-project-to-generate-chromosome-level-genomes-for-all-living-bat-species
#5
Emma Teeling, Sonja Vernes, Liliana M Davalos, David A Ray, M Thomas P Gilbert, Eugene Myers, Bat K Consortium
Bats are unique among mammals, possessing some of the rarest mammalian adaptations, including true self-powered flight, laryngeal echolocation, exceptional longevity, unique immunity, contracted genomes, and vocal learning. They provide key ecosystem services, pollinating tropical plants, dispersing seeds, and controlling insect pest populations, thus driving healthy ecosystems. They account for more than 20% of all living mammalian diversity, and their crown-group evolutionary history dates back to the Eocene...
November 20, 2017: Annual Review of Animal Biosciences
https://www.readbyqxmd.com/read/29165929/spatial-population-genomics-of-the-brown-rat-rattus-norvegicus-in-new-york-city
#6
Matthew Combs, Emily E Puckett, Jonathan Richardson, Destiny Mims, Jason Munshi-South
Human commensal species such as rodent pests are often widely distributed across cities and threaten both infrastructure and public health. Spatially-explicit population genomic methods provide insights into movements for cryptic pests that drive evolutionary connectivity across multiple spatial scales. We examined spatial patterns of neutral genome-wide variation in brown rats (Rattus norvegicus) across Manhattan, New York City (NYC) using 262 samples and 61,401 SNPs to understand: 1) relatedness among nearby individuals and the extent of spatial genetic structure in a discrete urban landscape; 2) the geographic origin of NYC rats, using a large, previously-published dataset of global rat genotypes; and 3) heterogeneity in gene flow across the city, particularly deviations from isolation-by-distance...
November 22, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/29165854/mmp-3-1171-5a-6a-lys45glu-variants-affect-serum-levels-of-matrix-metalloproteinase-mmp-3-and-correlate-with-severity-of-copd-a-study-of-mmp-3-mmp-7-and-mmp-12-in-a-tunisian-population
#7
Sarra Bchir, Hela Ben Nasr, Abdelhamid Garrouch, Amel Ben Anes, Ammar Abbassi, Zouhair Tabka, Karim Chahed
OBJECTIVE: The goal of this study was to examine the role of MMP-3 (-1171 5A/6A; Lys45Glu (A/G)), MMP-7 (-181) A/G and MMP-12 (-82 A/G; Asn357Ser (A/G)) variants in the development and severity of chronic obstructive pulmonary disease (COPD) in Tunisians. METHODS: Plethysmography was performed in all participants to measure FEV1, FVC and FEV1/FVC parameters. Genotyping of MMP-3, MMP-7 and MMP-12 polymorphisms was carried out in 138 patients with COPD and 216 healthy controls using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP)...
November 22, 2017: Journal of Gene Medicine
https://www.readbyqxmd.com/read/29165848/ecological-disturbance-influences-adaptive-divergence-despite-high-gene-flow-in-golden-perch-macquaria-ambigua-implications-for-management-and-resilience-to-climate-change
#8
Catherine R M Attard, Chris J Brauer, Jonathan Sandoval-Castillo, Leanne K Faulks, Peter Unmack, Dean M Gilligan, Luciano B Beheregaray
Populations that are adaptively divergent but maintain high gene flow may have greater resilience to environmental change as gene flow allows the spread of alleles that have already been tested elsewhere. In addition, populations naturally subjected to ecological disturbance may already hold resilience to future environmental change. Confirming this necessitates ecological genomic studies of high dispersal, generalist species. Here we perform one such study on golden perch (Macquaria ambigua) in the Murray-Darling Basin (MDB), Australia using a genome-wide SNP dataset...
November 22, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/29165790/physician-interpretation-of-genomic-test-results-and-treatment-selection
#9
Lauren L Brusco, Chetna Wathoo, Kenna R Mills Shaw, Vijaykumar R Holla, Ann M Bailey, Amber M Johnson, Yekaterina B Khotskaya, Beate C Litzenburger, Nora S Sanchez, Jia Zeng, Elmer V Bernstam, Cathy Eng, Bryan K Kee, Rodabe N Amaria, Mark J Routbort, Gordon B Mills, John Mendelsohn, Funda Meric-Bernstam
BACKGROUND: Genomic testing is increasingly performed in oncology, but concerns remain regarding the clinician's ability to interpret results. In the current study, the authors sought to determine the agreement between physicians and genomic annotators from the Precision Oncology Decision Support (PODS) team at The University of Texas MD Anderson Cancer Center in Houston regarding actionability and the clinical use of test results. METHODS: On a prospective protocol, patients underwent clinical genomic testing for hotspot mutations in 46 or 50 genes...
November 22, 2017: Cancer
https://www.readbyqxmd.com/read/29165755/research-on-the-correlation-between-the-fibrinogen-%C3%AE-and-attack-of-pediatric-pneumonia
#10
G Liu, H-W Wu, Z-G Li
OBJECTIVE: To investigate the correlation of the gene polymorphism of β-148C/T of fibrinogen with the expression of fibrinogen and the attack of pediatric pneumonia. PATIENTS AND METHODS: We employed polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) to detect the gene polymorphism of beta-fibrinogen gene-148C/T (β-148C/T). The expression level of fibrinogen in plasma was measured using enzyme-linked immunosorbent assay (ELISA), and the expression level of fibrinogen β protein was determined using Western-blot method...
October 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29165731/effects-of-the-actn3-r577x-genotype-on-the-muscular-strength-and-range-of-motion-before-and-after-eccentric-contractions-of-the-elbow-flexors
#11
Naoki Kikuchi, Yosuke Tsuchiya, Koichi Nakazato, Naokata Ishii, Eisuke Ochi
The purpose of present study was to examine the association between ACTN3 R577X genotype and functional characteristics of elbow flexors before and after isokinetic eccentric contractions (ECCs). Fifty-two men (age: 20.8±3.8 years, height: 172.5±5.9 cm, body mass: 64.7±6.5 kg, BMI: 21.7±1.7) who had not participated in any regular resistance training for at least 1 year prior to this study were recruited. ECCs consisted of five sets of six maximal voluntary isokinetic (30°/s) ECCs of the elbow flexors with a range of motion (ROM) from 90° flexion to 0° (full extension)...
November 17, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/29165633/genetic-variation-at-ifnl4-influences-extrahepatic-interferon-stimulated-gene-expression-in-chronic-hcv-patients
#12
Brad R Rosenberg, Catherine A Freije, Naoko Imanaka, Spencer T Chen, Jennifer L Eitson, Rachel Caron, Skyler A Uhl, Marija Zeremski, Andrew Talal, Ira M Jacobson, Charles M Rice, John W Schoggins
Polymorphisms at IFNL4 strongly influence spontaneous resolution and interferon therapeutic response in hepatitis C virus (HCV) infection. In chronic HCV, unfavorable alleles are associated with elevated interferon stimulated gene (ISG) expression in the liver, but extrahepatic effects are less well characterized. We used RNA-Seq to examine whether IFNL4 genetic variation (rs368234815) modulates ISG expression in peripheral blood mononuclear cells (PBMC) during chronic HCV. ISG expression was elevated in unstimulated PBMC homozygous for the unfavorable ΔG IFNL4 variant; expression following IFNα stimulation was comparable across genotypes...
November 20, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29165594/revisiting-fis-fst-wahlund-effects-and-null-alleles
#13
Thierry De Meeûs
Null alleles and Wahlund effects are well known causes of heterozygote deficits in empirical population genetics studies as compared to Hardy-Weinberg genotypic expectations. Some authors have theoretically studied the relationship of Wright's FIS computed from subsamples displaying a Wahlund effect and FST before the Wahlund effect, as can occasionally be obtained from populations of long-lived organisms. In the two subsample case, a positive relationship between these two parameters across loci would represent a signature of Wahlund effects...
November 20, 2017: Journal of Heredity
https://www.readbyqxmd.com/read/29165581/acquisition-persistence-and-clearance-of-human-papillomavirus-infection-among-male-virgins-residing-in-brazil-mexico-and-the-united-states
#14
Zhiyue Liu, Alan G Nyitray, Lu-Yu Hwang, Michael D Swartz, Martha Abrahamsen, Eduardo Lazcano-Ponce, Luisa L Villa, Anna R Giuliano
Background: Little is known about the natural history of HPV infection in male virgins. This study estimated incidence and clearance of genital HPV, and factors associated with HPV, among men who deny ever engaging in penetrative sex at baseline. Methods: A cohort of 4123 men residing in Brazil, Mexico, and the USA were followed every 6 months for up to 10 visits. Genital exfoliated cells were collected and genotyped for 36 HPV types. Eighty-seven men were classified as virgins and included for analysis...
November 18, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29165573/an-emerging-role-for-epigenetic-factors-in-relation-to-executive-function
#15
Omar Ibrahim, Heidi G Sutherland, Larisa M Haupt, Lyn R Griffiths
Executive function (EF) includes a range of decision-making and higher-order thinking processes. Although the genetic basis of EF has been studied and reviewed, epigenetic factors that influence EF are an emerging field of interest; here, we summarize the current research. Work relating to different word combinations of 'Executive Function' and 'Epigenetic' was identified through three academic search directories. Inclusion criteria were human populations, EF testing, epigenetic testing or genotyping related to epigenetic regulation...
November 20, 2017: Briefings in Functional Genomics
https://www.readbyqxmd.com/read/29165562/the-diversity-of-recent-and-ancient-human-dream-a-new-microarray-for-genetic-anthropology-and-genealogy-forensics-and-personalized-medicine
#16
Eran Elhaik, Leeban Yusuf, Ainan I J Anderson, Mehdi Pirooznia, Dimitrios Arnellos, Gregory Vilshansky, Gunes Ercal, Yontao Lu, Teresa Webster, Michael L Baird, Umberto Esposito
The human population displays wide variety in demographic history, ancestry, content of DNA derived from hominins or ancient populations, adaptation, traits, copy number variation (CNVs), drug response, and more. These polymorphisms are of broad interest to population geneticists, forensics investigators, and medical professionals. Historically, much of that knowledge was gained from population survey projects. While many commercial arrays exist for genome-wide single-nucleotide polymorphism (SNP) genotyping, their design specifications are limited and they do not allow a full exploration of biodiversity...
November 20, 2017: Genome Biology and Evolution
https://www.readbyqxmd.com/read/29165515/-statement-of-the-advisory-committee-on-immunizations-of-sociedad-chilena-de-infectolog%C3%A3-a-about-outbreaks-of-hepatitis-a-in-chile
#17
Rodolfo Villena, Jan Wilhelm, Ximena Calvo, Jaime Cerda, Carola Escobar, Gabriela Moreno, Liliana Veliz, Marcela Potin
This document represents the position of the Chilean Infectious Diseases Society Advisory Committee on Immunization Practices regarding hepatitis A epidemiological situation in Chile. The recommendations are based on local epidemiological data, the hepatitis A virus infection characteristics and the global experience with the available vaccines. In relation to hepatitis A, Chile is no longer a highly endemic area but actually an intermediate one, currently concentrating cases in individuals over 15 years of age, with frequent outbreaks...
August 2017: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
https://www.readbyqxmd.com/read/29165457/the-chemical-composition-nutritional-value-and-antimicrobial-properties-of-abelmoschus-esculentus-seeds
#18
Spyridon Petropoulos, Ângela Fernandes, Lillian Barros, Ana Ciric, Marina Sokovic, Isabel C F R Ferreira
Okra is a vegetable crop usually used for its immature pods. The harvest stage (fruit size) depends on consumers' preferences and the fruit that does not meet market requirements is being disposed of. Considering the short time interval from the setting of the fruit to the harvest stage, the present study evaluates the nutritional value, chemical composition, and antioxidant and antimicrobial properties of okra seeds from genotypes cultivated under Mediterranean conditions, as an alternative end-use product...
November 22, 2017: Food & Function
https://www.readbyqxmd.com/read/29165368/human-protoparvoviruses
#19
REVIEW
Elina Väisänen, Yu Fu, Klaus Hedman, Maria Söderlund-Venermo
Next-generation sequencing and metagenomics have revolutionized the discovery of novel viruses. In recent years, three novel protoparvoviruses have been discovered in fecal samples of humans: bufavirus (BuV) in 2012, tusavirus (TuV) in 2014, and cutavirus (CuV) in 2016. BuV has since been studied the most, disclosing three genotypes that also represent serotypes. Besides one nasal sample, BuV DNA has been found exclusively in diarrheal feces, but not in non-diarrheal feces, suggesting a causal relationship...
November 22, 2017: Viruses
https://www.readbyqxmd.com/read/29165300/foxi2-a-possible-gene-contributing-to-ectodermal-dysplasia
#20
Mazen Kurban, Savo Bou Zeineddine, Lamiaa Hamie, Remi Safi, Ossama Abbas, Abdul Ghani Kibbi, Fadi Bitar, Georges Nemer
Cardio-facio-cutaneous syndrome (CFC), Noonan syndrome (NS), and Costello syndrome are a group of diseases that belong to the RASopathies. The syndromes share clinical features making diagnosis a challenge. To investigate the phenotype and genotype of a 10-year-old Iraqi girl with overlapping features of CFC, NS, and Costello syndromes, with additional features of ectodermal dysplasia. DNA was examined by exome sequencing and protein expression by immunohistochemistry. Exome sequencing identified a mutation in the SOS1 gene and a de novo deletion in the FOXI2 gene which was neither present in the international databases, nor in 400 chromosomes from the same population...
November 22, 2017: European Journal of Dermatology: EJD
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