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https://www.readbyqxmd.com/read/28101813/a-multi-us-city-assessment-of-awareness-and-uptake-of-pre-exposure-prophylaxis-prep-for-hiv-prevention-among-black-men-and-transgender-women-who-have-sex-with-men
#1
Lisa A Eaton, Derrick D Matthews, Daniel D Driffin, Leigh Bukowski, Patrick A Wilson, Ron D Stall
The HIV epidemic among Black men and transgender women who have sex with men (BMTW) demands an urgent public health response. HIV point prevalence among this population ranges from 25 to 43%-a rate far exceeding any other group. Pre-exposure prophylaxis (PrEP) for HIV prevention is a very promising prevention tool; however, its full potential to slow the epidemic has yet to be realized. For the current study, random time-location sampling at Black Gay Pride Events was used to collect data from N = 1274 BMTW, from five US cities, reporting HIV-negative/unknown status...
January 18, 2017: Prevention Science: the Official Journal of the Society for Prevention Research
https://www.readbyqxmd.com/read/28100972/unrepaired-tetralogy-of-fallot-with-absent-pulmonary-valve-in-a-mildly-symptomatic-16-year-old-boy
#2
Diana E Drogalis-Kim, Brian L Reemtsen, Leigh Christopher Reardon
Absent pulmonary valve is a rare and severe variant seen in only 3% to 6% of patients with tetralogy of Fallot. Fetuses with this combined condition who survive through birth typically need intervention in infancy or early childhood because of respiratory distress, heart failure, or failure to thrive. We describe the unusual case of a mildly symptomatic 16-year-old boy with these conditions who underwent successful primary repair. Our search of the medical literature yielded fewer than 5 cases of tetralogy of Fallot with absent pulmonary valve (or variants with an absent left pulmonary artery) and survival without repair into later adolescence or adulthood...
December 2016: Texas Heart Institute Journal
https://www.readbyqxmd.com/read/28100118/assessing-sexual-interest-in-children-using-the-go-no-go-association-test
#3
Ross M Bartels, Anthony R Beech, Leigh Harkins, David Thornton
The present study investigated whether a latency-based Go/No-Go Association Task (GNAT) could be used as an indirect measure of sexual interest in children. A sample of 29 individuals with a history of exclusive extrafamilial offenses against a child and 15 individuals with either a history of exclusive intrafamilial or mixed offenses (i.e., against both adults and children) were recruited from a treatment center in the United States. Also, a sample of 26 nonoffenders was recruited from a university in the United Kingdom...
January 1, 2017: Sexual Abuse: a Journal of Research and Treatment
https://www.readbyqxmd.com/read/28099853/a-tissue-mapped-axolotl-de-novo-transcriptome-enables-identification-of-limb-regeneration-factors
#4
Donald M Bryant, Kimberly Johnson, Tia DiTommaso, Timothy Tickle, Matthew Brian Couger, Duygu Payzin-Dogru, Tae J Lee, Nicholas D Leigh, Tzu-Hsing Kuo, Francis G Davis, Joel Bateman, Sevara Bryant, Anna R Guzikowski, Stephanie L Tsai, Steven Coyne, William W Ye, Robert M Freeman, Leonid Peshkin, Clifford J Tabin, Aviv Regev, Brian J Haas, Jessica L Whited
Mammals have extremely limited regenerative capabilities; however, axolotls are profoundly regenerative and can replace entire limbs. The mechanisms underlying limb regeneration remain poorly understood, partly because the enormous and incompletely sequenced genomes of axolotls have hindered the study of genes facilitating regeneration. We assembled and annotated a de novo transcriptome using RNA-sequencing profiles for a broad spectrum of tissues that is estimated to have near-complete sequence information for 88% of axolotl genes...
January 17, 2017: Cell Reports
https://www.readbyqxmd.com/read/28099485/cell-based-systems-biology-analysis-of-human-as03-adjuvanted-h5n1-avian-influenza-vaccine-responses-a-phase-i-randomized-controlled-trial
#5
Leigh M Howard, Kristen L Hoek, Johannes B Goll, Parimal Samir, Allison Galassie, Tara M Allos, Xinnan Niu, Laura E Gordy, C Buddy Creech, Nripesh Prasad, Travis L Jensen, Heather Hill, Shawn E Levy, Sebastian Joyce, Andrew J Link, Kathryn M Edwards
BACKGROUND: Vaccine development for influenza A/H5N1 is an important public health priority, but H5N1 vaccines are less immunogenic than seasonal influenza vaccines. Adjuvant System 03 (AS03) markedly enhances immune responses to H5N1 vaccine antigens, but the underlying molecular mechanisms are incompletely understood. OBJECTIVE AND METHODS: We compared the safety (primary endpoint), immunogenicity (secondary), gene expression (tertiary) and cytokine responses (exploratory) between AS03-adjuvanted and unadjuvanted inactivated split-virus H5N1 influenza vaccines...
2017: PloS One
https://www.readbyqxmd.com/read/28089480/deep-inspiration-breath-hold-produces-a-clinically-meaningful-reduction-in-ipsilateral-lung-dose-during-locoregional-radiation-therapy-for-some-women-with-right-sided-breast-cancer
#6
Jessica L Conway, Leigh Conroy, Lindsay Harper, Marie Scheifele, Haocheng Li, Wendy L Smith, Tannis Graham, Tien Phan, Ivo A Olivotto
PURPOSE: The goal of the work described here was to determine whether deep inspiration breath-hold (DIBH) produces a clinically meaningful reduction in pulmonary dose compared with free breathing (FB) during locoregional radiation for right-sided breast cancer. METHODS AND MATERIALS: Four-field, modified-wide tangent plans with full nodal coverage were developed for 30 consecutive patients on paired DIBH and FB CT scans. Nodes were contoured according to European Society for Radiotherapy and Oncology guidelines...
October 19, 2016: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28086974/ovarian-cancer-density-equalizing-mapping-of-the-global-research-architecture
#7
Dörthe Brüggmann, Katharina Pulch, Doris Klingelhöfer, Celeste Leigh Pearce, David A Groneberg
BACKGROUND: Despite its impact on female health worldwide, no efforts have been made to depict the global architecture of ovarian cancer research and to understand the trends in the related literature. Hence, it was the objective of this study to assess the global scientific performance chronologically, geographically and in regards to economic benchmarks using bibliometric tools and density equalizing map projections. METHODS: The NewQIS platform was employed to identify all ovarian cancer related articles published in the Web of Science since 1900...
January 13, 2017: International Journal of Health Geographics
https://www.readbyqxmd.com/read/28086751/quantifying-predictors-for-the-spatial-diffusion-of-avian-influenza-virus-in-china
#8
Lu Lu, Andrew J Leigh Brown, Samantha J Lycett
BACKGROUND: Avian influenza virus (AIV) causes both severe outbreaks and endemic disease among poultry and has caused sporadic human infections in Asia, furthermore the routes of transmission in avian species between geographic regions can be numerous and complex. Using nucleotide sequences from the internal protein coding segments of AIV, we performed a Bayesian phylogeographic study to uncover regional routes of transmission and factors predictive of the rate of viral diffusion within China...
January 13, 2017: BMC Evolutionary Biology
https://www.readbyqxmd.com/read/28079278/corporate-corruption-of-science-another-asbestos-example
#9
REVIEW
David Egilman, Rubén Monárrez
BACKGROUND: Kelsh et al. [2007]: Occup Med (Lond) 57:581-589 published a paper reanalyzing one of the few data sources publicly available on mesothelioma amongst brake workers, the Australian Mesothelioma Surveillance Registry (AMSR). This reanalysis was commissioned by lawyers representing the automobile manufacturing companies and did not align with an independent analysis published by Leigh and Driscoll [2003]: Occup Environ Health 9:206-217. METHODS: We sought to reevaluate the AMSR data ourselves to understand how the company-sponsored research categorized the data...
February 2017: American Journal of Industrial Medicine
https://www.readbyqxmd.com/read/28077841/pars2-and-nars2-mutations-in-infantile-onset-neurodegenerative-disorder
#10
Takeshi Mizuguchi, Mitsuko Nakashima, Mitsuhiro Kato, Keitaro Yamada, Tohru Okanishi, Nina Ekhilevitch, Hanna Mandel, Ayelet Eran, Miyuki Toyono, Yukio Sawaishi, Hirotaka Motoi, Masaaki Shiina, Kazuhiro Ogata, Satoko Miyatake, Noriko Miyake, Hirotomo Saitsu, Naomichi Matsumoto
Here we present four unrelated families with six individuals that have infantile-onset developmental delay/regression and epilepsy. Whole-exome sequencing revealed compound heterozygous mutations, c.[283G>A];[607G>A] in a gene encoding prolyl-tRNA synthetase (PARS2) in one family. Two pairs of compound heterozygous mutations, c.[151C>T];[1184T>G] and c.[707T>G];[594+1G>A], and a homozygous mutation, c.[500A>G];[500A>G], in a gene encoding asparaginyl-tRNA synthetase (NARS2) were also identified in the other three families...
January 12, 2017: Journal of Human Genetics
https://www.readbyqxmd.com/read/28077764/antimicrobial-peptide-coatings-for-hydroxyapatite-electrostatic-and-covalent-attachment-of-antimicrobial-peptides-to-surfaces
#11
Leigh Townsend, Richard L Williams, Olachi Anuforom, Matthew R Berwick, Fenella Halstead, Erik Hughes, Artemis Stamboulis, Beryl Oppenheim, Julie Gough, Liam Grover, Robert A H Scott, Mark Webber, Anna F A Peacock, Antonio Belli, Ann Logan, Felicity de Cogan
The interface between implanted devices and their host tissue is complex and is often optimized for maximal integration and cell adhesion. However, this also gives a surface suitable for bacterial colonization. We have developed a novel method of modifying the surface at the material-tissue interface with an antimicrobial peptide (AMP) coating to allow cell attachment while inhibiting bacterial colonization. The technology reported here is a dual AMP coating. The dual coating consists of AMPs covalently bonded to the hydroxyapatite surface, followed by deposition of electrostatically bound AMPs...
January 2017: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/28077158/ccl2-driven-inflammation-increases-mammary-gland-stromal-density-and-cancer-susceptibility-in-a-transgenic-mouse-model
#12
Xuan Sun, Danielle J Glynn, Leigh J Hodson, Cecilia Huo, Kara Britt, Erik W Thompson, Lucy Woolford, Andreas Evdokiou, Jeffrey W Pollard, Sarah A Robertson, Wendy V Ingman
BACKGROUND: Macrophages play diverse roles in mammary gland development and breast cancer. CC-chemokine ligand 2 (CCL2) is an inflammatory cytokine that recruits macrophages to sites of injury. Although CCL2 has been detected in human and mouse mammary epithelium, its role in regulating mammary gland development and cancer risk has not been explored. METHODS: Transgenic mice were generated wherein CCL2 is driven by the mammary epithelial cell-specific mouse mammary tumour virus 206 (MMTV) promoter...
January 11, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28070495/an-atypical-presentation-of-acad9-deficiency-diagnosis-by-whole-exome-sequencing-broadens-the-phenotypic-spectrum-and-alters-treatment-approach
#13
H K Aintablian, V Narayanan, N Belnap, K Ramsey, T A Grebe
Acyl-CoA dehydrogenase 9 (ACAD9), linked to chromosome 3q21.3, is one of a family of multimeric mitochondrial flavoenzymes that catalyze the degradation of fatty acyl-CoA from the carnitine shuttle via β-oxidation (He et al. 2007). ACAD9, specifically, is implicated in the processing of palmitoyl-CoA and long-chain unsaturated substrates, but unlike other acyl-CoA dehydrogenases (ACADs), it has a significant role in mitochondrial complex I assembly (Nouws et al. 2010 & 2014). Mutations in this enzyme typically cause mitochondrial complex I deficiency, as well as a mild defect in long chain fatty acid metabolism (Haack et al...
March 2017: Molecular Genetics and Metabolism Reports
https://www.readbyqxmd.com/read/28069560/does-usage-of-an-ehealth-intervention-reduce-the-risk-of-excessive-gestational-weight-gain-secondary-analysis-from-a-randomized-controlled-trial
#14
Meredith Leigh Graham, Myla S Strawderman, Margaret Demment, Christine Marie Olson
BACKGROUND: Excessive gestational weight gain (GWG) contributes to the development of obesity in mother and child. Internet-based interventions have the potential for delivering innovative and interactive options for prevention of excessive GWG to large numbers of people. OBJECTIVE: The objective of this study was to create a novel measure of Internet-based intervention usage patterns and examine whether usage of an Internet-based intervention is associated with reduced risk of excessive GWG...
January 9, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28065437/erratum-to-change-in-adiponectin-explains-most-of-the-change-in-hdl-particles-induced-by-lifestyle-intervention-but-not-metformin-treatment-in-the-diabetes-prevention-program-metabolism-2016-65-764-775
#15
Ronald B Goldberg, Marinella Temprosa, Lisa Mele, Trevor Orchard, Kieren Mather, George Bray, Edward Horton, Abbas Kitabchi, Jonathan Krakoff, Santica Marcovina, Leigh Perreault, Neil White
No abstract text is available yet for this article.
January 5, 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28063466/sexuality-related-attitudes-significantly-modulate-demographic-variation-in-sexual-health-literacy-in-tasmanian-university-students
#16
Steve Simpson, Christine Clifford, Michael G Quinn, Kaz Ross, Neil Sefton, Louise Owen, Leigh Blizzard, Richard Turner
Background: It has previously been shown that there is a significant demographic variation in sexual health literacy (SHL) in university-level students in Tasmania, Australia. Aims: The aim of this study was to evaluate the effect of statistical adjustment for sexuality-related attitudes on this demographic variation in SHL. Methods: Iterated principal-factor analysis was used to evaluate latent variable grouping of responses to 21 attitudinal questions regarding sexuality and sexual behaviour. Linear regression was used to evaluate the distribution and determinants of attitudinal patterns and thence the relationship of these patterns to SHL...
January 9, 2017: Sexual Health
https://www.readbyqxmd.com/read/28059768/sox2-promotes-lineage-plasticity-and-antiandrogen-resistance-in-tp53-and-rb1-deficient-prostate-cancer
#17
Ping Mu, Zeda Zhang, Matteo Benelli, Wouter R Karthaus, Elizabeth Hoover, Chi-Chao Chen, John Wongvipat, Sheng-Yu Ku, Dong Gao, Zhen Cao, Neel Shah, Elizabeth J Adams, Wassim Abida, Philip A Watson, Davide Prandi, Chun-Hao Huang, Elisa de Stanchina, Scott W Lowe, Leigh Ellis, Himisha Beltran, Mark A Rubin, David W Goodrich, Francesca Demichelis, Charles L Sawyers
Some cancers evade targeted therapies through a mechanism known as lineage plasticity, whereby tumor cells acquire phenotypic characteristics of a cell lineage whose survival no longer depends on the drug target. We use in vitro and in vivo human prostate cancer models to show that these tumors can develop resistance to the antiandrogen drug enzalutamide by a phenotypic shift from androgen receptor (AR)-dependent luminal epithelial cells to AR-independent basal-like cells. This lineage plasticity is enabled by the loss of TP53 and RB1 function, is mediated by increased expression of the reprogramming transcription factor SOX2, and can be reversed by restoring TP53 and RB1 function or by inhibiting SOX2 expression...
January 6, 2017: Science
https://www.readbyqxmd.com/read/28059767/rb1-and-trp53-cooperate-to-suppress-prostate-cancer-lineage-plasticity-metastasis-and-antiandrogen-resistance
#18
Sheng Yu Ku, Spencer Rosario, Yanqing Wang, Ping Mu, Mukund Seshadri, Zachary W Goodrich, Maxwell M Goodrich, David P Labbé, Eduardo Cortes Gomez, Jianmin Wang, Henry W Long, Bo Xu, Myles Brown, Massimo Loda, Charles L Sawyers, Leigh Ellis, David W Goodrich
Prostate cancer relapsing from antiandrogen therapies can exhibit variant histology with altered lineage marker expression, suggesting that lineage plasticity facilitates therapeutic resistance. The mechanisms underlying prostate cancer lineage plasticity are incompletely understood. Studying mouse models, we demonstrate that Rb1 loss facilitates lineage plasticity and metastasis of prostate adenocarcinoma initiated by Pten mutation. Additional loss of Trp53 causes resistance to antiandrogen therapy. Gene expression profiling indicates that mouse tumors resemble human prostate cancer neuroendocrine variants; both mouse and human tumors exhibit increased expression of epigenetic reprogramming factors such as Ezh2 and Sox2...
January 6, 2017: Science
https://www.readbyqxmd.com/read/28058511/identification-and-functional-characterization-of-a-novel-mtfmt-mutation-associated-with-selective-vulnerability-of-the-visual-pathway-and-a-mild-neurological-phenotype
#19
Roberta La Piana, Woranontee Weraarpachai, Luis H Ospina, Martine Tetreault, Jacek Majewski, G Bruce Pike, Jean-Claude Decarie, Donatella Tampieri, Bernard Brais, Eric A Shoubridge
Mitochondrial protein synthesis is initiated by formylated tRNA-methionine, which requires the activity of MTFMT, a methionyl-tRNA formyltransferase. Mutations in MTFMT have been associated with Leigh syndrome, early-onset mitochondrial leukoencephalopathy, microcephaly, ataxia, and cardiomyopathy. We identified compound heterozygous MTFMT mutations in a patient with a mild neurological phenotype and late-onset progressive visual impairment. MRI studies documented a progressive and selective involvement of the retrochiasmatic visual pathway...
January 5, 2017: Neurogenetics
https://www.readbyqxmd.com/read/28054828/comparison-of-the-king-s-and-mitos-staging-systems-for-als
#20
Ton Fang, Ahmad Al Khleifat, Daniel R Stahl, Claudia Lazo La Torre, Caroline Murphy, Carolyn Young, Pamela J Shaw, P Nigel Leigh, Ammar Al-Chalabi
OBJECTIVE: To investigate and compare two ALS staging systems, King's clinical staging and Milano-Torino (MiToS) functional staging, using data from the LiCALS phase III clinical trial (EudraCT 2008-006891-31). METHODS: Disease stage was derived retrospectively for each system from the ALS Functional Rating Scale-Revised subscores using standard methods. The two staging methods were then compared for timing of stages using box plots, correspondence using chi-square tests, agreement using a linearly weighted kappa coefficient and concordance using Spearman's rank correlation...
January 5, 2017: Amyotrophic Lateral Sclerosis and Frontotemporal Degeneration
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