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https://www.readbyqxmd.com/read/28742942/regulation-of-transposable-elements-interplay-between-te-encoded-regulatory-sequences-and-host-specific-trans-acting-factors-in-drosophila-melanogaster
#1
Ana Marija Jakšić, Robert Kofler, Christian Schlötterer
Transposable elements (TEs) are mobile genetic elements that can move around the genome and their expression is one precondition for this mobility. Because the insertion of TEs in new genomic positions is largely deleterious, the molecular mechanisms for transcriptional suppression have been extensively studied. In contrast, very little is known about their primary transcriptional regulation. Here, we characterize the expression dynamics of TE families in Drosophila melanogaster across a broad temperature range (13-29°C)...
July 25, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28742882/t-cell-intrinsic-tlr2-stimulation-promotes-il-10-expression-and-suppressive-activity-by-cd45rbhi-t-cells
#2
Janice C Jun, Mark B Jones, Douglas M Oswald, Edward S Sim, Amruth R Jonnalagadda, Lori S C Kreisman, Brian A Cobb
While Toll-like receptors (TLRs) represent one of the best characterized innate immune pathways, evidence suggests that TLRs are not restricted to innate leukocytes and some epithelial cells, but are also expressed in T cells. Specifically, published evidence focusing on FoxP3+ regulatory T cells demonstrate that they express functional TLR2, which is already known among the TLR family for its association with immune suppression; however, little is known about the relationship between T cell-intrinsic TLR2 binding and cytokine production, T cell differentiation, or T cell receptor (TCR) stimulation...
2017: PloS One
https://www.readbyqxmd.com/read/28742602/is-there-a-relationship-between-the-functional-movement-screen-star-excursion-balance-test-and-balance-error-scoring-system
#3
Nicole D Harshbarger, Barton E Anderson, Kenneth C Lam
OBJECTIVE: To evaluate associations between the Functional Movement Screen (FMS), Star Excursion Balance Test (SEBT), and Balance Error Scoring System (BESS) scores. DESIGN: Correlational. SETTING: College athletic training facilities. PARTICIPANTS: Fifty-two intercollegiate athletes (men = 36 and women = 16) representing 8 sports and cleared for unrestricted sport participation. INTERVENTIONS: Participants completed the FMS, SEBT, and BESS, in random order, during 1 testing session...
July 21, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28742215/complementary-and-alternative-medicine-use-among-us-adults-with-headache-or-migraine-results-from-the-2012-national-health-interview-survey
#4
Yan Zhang, Jeff A Dennis, Matthew J Leach, Felicity L Bishop, Holger Cramer, Vincent C H Chung, Craig Moore, Romy Lauche, Ron Cook, David Sibbritt, Jon Adams
BACKGROUND: Given the safety concerns regarding pharmacological agents, and the considerable impact of headache and migraine on the sufferer's quality of life, many people seek other treatment options beyond conventional medication and care to address their symptoms; this includes complementary and alternative medicine (CAM). Some CAM interventions have shown promising results in clinical trials of headache and migraine management. Nonetheless, there has been little research exploring the reasons for using CAM, and the types of CAM used, among this population...
July 25, 2017: Headache
https://www.readbyqxmd.com/read/28742161/abundance-and-co-occurrence-of-extracellular-capsules-increases-environmental-breadth-implications-for-the-emergence-of-pathogens
#5
Olaya Rendueles, Marc Garcia-Garcerà, Bertrand Néron, Marie Touchon, Eduardo P C Rocha
Extracellular capsules constitute the outermost layer of many bacteria, are major virulence factors, and affect antimicrobial therapies. They have been used as epidemiological markers and recently became vaccination targets. Despite the efforts to biochemically serotype capsules in a few model pathogens, little is known of their taxonomic and environmental distribution. We developed, validated, and made available a computational tool, CapsuleFinder, to identify capsules in genomes. The analysis of over 2500 prokaryotic genomes, accessible in a database, revealed that ca...
July 24, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28742070/growth-arrest-and-a-persister-state-enable-resistance-to-osmotic-shock-and-facilitate-dissemination-of-vibrio-cholerae
#6
Cecilia A Silva-Valenzuela, David W Lazinski, Shoshanna C Kahne, Y Nguyen, Roberto C Molina-Quiroz, Andrew Camilli
Vibrio cholerae is a water-borne bacterial pathogen and causative agent of cholera. Although V. cholerae is a halophile, it can survive in fresh water, and this has a major role in cholera epidemics through consumption of contaminated water and subsequent fecal-oral spread. After dissemination from humans back into fresh water, V. cholerae encounters limited nutrient availability and an abrupt drop in conductivity but little is known about how V. cholerae adapts to, and survives in this environment. In this work, by abolishing or altering the expression of V...
July 25, 2017: ISME Journal
https://www.readbyqxmd.com/read/28741688/new-insights-into-naevoid-melanomas-a-clinico-pathological-reassessment
#7
Martin G Cook, Daniela Massi, Willeke A M Blokx, Joost Van den Oord, Senada Koljenović, Vincenzo De Giorgi, Eleanor Kissin, Megan Grant, Amit Mandal, Gabriela Gremel, Caroline Gaudy, Amaya Viros, Nathalie Dhomen, Kiarash Khosrotehrani, Richard Marais, Adele C Green, Martin C Mihm
AIMS: Because the term 'naevoid melanoma' has variable clinical and pathologic interpretations, we aimed to clarify the features of melanomas referred to as naevoid. METHODS AND RESULTS: A review was undertaken of 102 melanomas diagnosed histopathologically as naevoid melanomas and ascertained by European Organisation for Research and Treatment of Cancer Melanoma Group Subcommittee pathologists from their records. We found these could be classified morphologically into 3 groups...
July 25, 2017: Histopathology
https://www.readbyqxmd.com/read/28741583/elderly-patients-with-an-atypical-presentation-of-illness-in-the-emergency-department
#8
M R Hofman, F van den Hanenberg, I N Sierevelt, C R Tulner
BACKGROUND: Very little information is available on the prevalence and clinical outcome of elderly patients with atypical presentations of illness in the emergency department. The objective was to determine the prevalence and clinical outcome of elderly patients seen in the emergency department with an atypical presentation. METHODS: A monocentric retrospective observational study on 355 elderly patients presenting to the emergency department. Patients of 80 years and older were included...
July 2017: Netherlands Journal of Medicine
https://www.readbyqxmd.com/read/28741297/maldi-ft-icr-ms-for-archaeological-lipid-residue-analysis
#9
Ester Oras, Signe Vahur, Sven Isaksson, Ivari Kaljurand, Ivo Leito
Soft-ionization methods are currently at the forefront of developing novel methods for analysing degraded archaeological organic residues. Here we present little-used soft ionisation method of matrix assisted laser desorption/ionization - Fourier transform - ion cyclotron resonance - mass spectrometry (MALDI-FT-ICR-MS) for the identification of archaeological lipid residues. It is a high-resolution and sensitive method with low limits of detection capable of identifying lipid compounds in small concentrations, thus providing a highly potential new technique for the analysis of degraded lipid components...
July 24, 2017: Journal of Mass Spectrometry: JMS
https://www.readbyqxmd.com/read/28741100/training-and-the-attentional-blink-raising-the-ceiling-does-not-remove-the-limits
#10
James T Enns, Paul Kealong, Jennifer G Tichon, Troy A W Visser
The attentional blink (AB) is a widely studied deficit in reporting the second of two sequentially presented targets when they occur within 500 milliseconds. The AB often is interpreted to index a structural limit in sequential visual processing. However, this interpretation is challenged by reports that the deficit can be reduced with several hundred trials of specific training (Braun in Nature, 393(6684), 424-425, 1998; Choi et al. in Proceedings of the National Academy of Sciences, 109(30), 12242-12247, 2012; Taatgen et al...
July 24, 2017: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/28740767/the-effect-of-the-timing-of-radiotherapy-on-clinical-and-patient-reported-outcomes-after-latissimus-dorsi-breast-reconstruction-a-10-year-study
#11
Lashan J Peiris, Nicola C Dawson, Siobhan A M Laws, Richard M Rainsbury
BACKGROUND: Breast reconstruction (BR) is considered to be adversely affected by radiotherapy (RT), particularly when an implant is used. The aim of this study was to compare clinical and patient-reported outcomes after expander-assisted latissimus dorsi breast reconstruction depending on the timing of RT. METHODS: Patients undergoing BR over a 10-year period (follow-up mean, 56 [14-134] months) were divided into 3 groups. Group 1, RT after mastectomy and BR, Group 2, RT before mastectomy and BR, and Group 3, RT after mastectomy but before BR...
June 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28739841/the-goldilocks-zone-of-fatty-acid-metabolism-to-ensure-that-the-relationship-with-cardiac-function-is-just-right
#12
REVIEW
Matthew Kerr, Michael S Dodd, Lisa C Heather
Fatty acids (FA) are the main fuel used by the healthy heart to power contraction, supplying 60-70% of the ATP required. FA generate more ATP per carbon molecule than glucose, but require more oxygen to produce the ATP, making them a more energy dense but less oxygen efficient fuel compared with glucose. The pathways involved in myocardial FA metabolism are regulated at various subcellular levels, and can be divided into sarcolemmal FA uptake, cytosolic activation and storage, mitochondrial uptake and β-oxidation...
August 15, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28739408/inhibition-of-amyloid-fibrillation-and-destabilization-of-fibrils-of-human-%C3%AE-d-crystallin-by-direct-red-80-and-orange-g
#13
Vandna Sharma, Kalyan Sundar Ghosh
Inhibition of amyloid fibril formation by a lens protein namely human γD-crystallin (HGD) under stressful conditions was targeted by using some small molecules like direct red 80 (DR), orange G (OG) and rhodamine B (RH). The protein itself was found to form matured fibrils after 48hours of incubation at pH 3.0 at 37°C. Various fluorescence based assays (thioflavinT assay, ANS binding assay, intrinsic Trp fluorescence determination), circular dichroism and microscopic imaging techniques were used in the inhibition studies...
July 21, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28739373/analyte-variations-in-consecutive-24-hour-urine-collections-in-children
#14
Jonathan S Ellison, John M Hollingsworth, Craig B Langman, John R Asplin, Andrew L Schwaderer, Phyllis Yan, Maggie Bierlein, Mark A Barraza, William R Defoor, T Ernesto Figueroa, Elizabeth C Jackson, Venkata R Jayanthi, Emilie K Johnson, David B Joseph, Margarett Shnorhavorian
PURPOSE: The metabolic evaluation of children with nephrolithiasis begins with a 24-h urine collection. For adults, the diagnostic yield increases with consecutive collections; however, little is known regarding the variability of multiple 24-h studies in the pediatric population. We sought to evaluate the variability of consecutive 24-h urine collection in children through a multi-institutional study hypothesizing that compared with a single collection, consecutive 24-h urine collections would reveal a greater degree of clinically useful information in the evaluation of children at risk for nephrolithiasis...
July 12, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28739213/association-between-substance-use-disorder-and-polygenic-liability-to-schizophrenia
#15
Sarah M Hartz, Amy C Horton, Mary Oehlert, Caitlin E Carey, Arpana Agrawal, Ryan Bogdan, Li-Shiun Chen, Dana B Hancock, Eric O Johnson, Carlos N Pato, Michele T Pato, John P Rice, Laura J Bierut
BACKGROUND: There are high levels of comorbidity between schizophrenia and substance use disorder, but little is known about the genetic etiology of this comorbidity. METHODS: We tested the hypothesis that shared genetic liability contributes to the high rates of comorbidity between schizophrenia and substance use disorder. To do this, polygenic risk scores for schizophrenia derived from a large meta-analysis by the Psychiatric Genomics Consortium were computed in three substance use disorder datasets: the Collaborative Genetic Study of Nicotine Dependence (ascertained for tobacco use disorder; n = 918 cases; 988 control subjects), the Collaborative Study on the Genetics of Alcoholism (ascertained for alcohol use disorder; n = 643 cases; 384 control subjects), and the Family Study of Cocaine Dependence (ascertained for cocaine use disorder; n = 210 cases; 317 control subjects)...
June 6, 2017: Biological Psychiatry
https://www.readbyqxmd.com/read/28738913/cumulative-exposure-to-childhood-adversity-and-treated-attention-deficit-hyperactivity-disorder-a-cohort-study-of-543-650-adolescents-and-young-adults-in-sweden
#16
E Björkenstam, C Björkenstam, B Jablonska, K Kosidou
BACKGROUND: Though childhood adversity (CA) has been associated with the risk of attention deficit/hyperactivity disorder (ADHD), little is known about the effect of cumulative CAs and whether there are clusters of CAs that are more closely related with ADHD. METHODS: We used a Swedish cohort of 543 650 individuals born 1987-1991. Register-based CAs included familial death, substantial parental substance abuse and psychiatric disorder, substantial parental criminality, parental separation, household public assistance recipiency, and residential instability...
July 25, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28738733/cases-of-mortality-in-little-penguins-eudyptula-minor-in-new-zealand-associated-with-avian-malaria
#17
D C Sijbranda, S Hunter, L Howe, B Lenting, L Argilla, B D Gartrell
CASE HISTORY: A little penguin (Eudyptula minor) of wild origin, in captivity at Wellington Zoo, became inappetent and lethargic in March 2013. Despite supportive care in the zoo's wildlife hospital, the bird died within 24 hours. CLINICAL FINDINGS: Weight loss, dehydration, pale mucous membranes, weakness, increased respiratory effort and biliverdinuria were apparent on physical examination. Microscopic evaluation of blood smears revealed intra-erythrocytic stages of Plasmodium spp...
July 24, 2017: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/28738407/pain-and-learning-in-primary-school-a-population-based-study
#18
Silja Kosola, Lisa K Mundy, Susan M Sawyer, Louise Canterford, Danielle A van der Windt, Kate M Dunn, George C Patton
Despite the frequency of pain among children, little is known about its effects on learning and school outcomes. The objective of this study was to quantify the association of pain and academic achievement while taking into account the presence of co-occurring emotional symptoms. A population-based stratified random sample of 1239 students aged 8 to 9 years from primary schools in Melbourne, Australia, was recruited for the Childhood to Adolescence Transition Study. Children indicated sites of pain that had lasted for a day or longer in the past month using a pain manikin...
June 21, 2017: Pain
https://www.readbyqxmd.com/read/28738347/negative-beliefs-about-voices-in-patients-with-borderline-personality-disorder-are-associated-with-distress-a-plea-for-cognitive-behavioural-therapy
#19
Christina W Slotema, Jan Dirk Blom, Mathijs Deen, Marieke B A Niemantsverdriet, Mark van der Gaag, Hans W Hoek, Iris E C Sommer
BACKGROUND: Auditory verbal hallucinations (AVH) are experienced by 21-54% of patients diagnosed with a borderline personality disorder (BPD), and ensuing distress is often high. Little is known about the beliefs these patients foster about their voices, and the influence thereof on distress and need for hospitalisation. METHODS: In a convenience sample of 38 BPD outpatients with AVH, data were collected with the aid of the Psychotic Symptom Rating Scales (PSYRATS), Beliefs about Voices Questionnaire (BAVQ), Social Comparison Rating Scale (SCRS), and Voice Power Differential Scale (VPDS)...
July 22, 2017: Psychopathology
https://www.readbyqxmd.com/read/28738305/contamination-characteristics-and-source-apportionment-of-methylated-pahs-in-agricultural-soils-from-yangtze-river-delta-china
#20
Weixiao Chen, Xinyi Wu, Haiyun Zhang, Jianteng Sun, Wenxin Liu, Lizhong Zhu, Xiangdong Li, Daniel C W Tsang, Shu Tao, Xilong Wang
Alkylated PAHs (APAHs) have been shown to be more toxic and persistent than their non-alkylated parent compounds. However, little is known about the extent of soil contamination by these pollutants. To help understand agricultural soil pollution by these compounds at a regional scale, a total of 18 methylated PAHs (MPAHs, a major class of APAHs) in 243 soil samples were analyzed. These soil samples were collected from 11 sites in the Yangtze River Delta (YRD) region, a representative fast developing area in China...
July 21, 2017: Environmental Pollution
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