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https://www.readbyqxmd.com/read/28526941/urinary-cadmium-and-cotinine-levels-and-hair-mercury-levels-in-czech-children-and-their-mothers-within-the-framework-of-the-cophes-democophes-projects
#1
Kateřina Forysová, Anna Pinkr-Grafnetterová, Marek Malý, Andrea Krsková, Jaroslav Mráz, Lucie Kašparová, Mája Čejchanová, Lenka Sochorová, Sylva Rödlová, Milena Černá
The COPHES/DEMOCOPHES twin project was performed in 2011-2012 in 17 European countries to harmonize all steps of the human biomonitoring survey. Urinary cadmium, cotinine, phthalate metabolites, and hair mercury were measured in children (N = 120, 6-11 years) and their mothers of reproductive age, living in urban or rural areas. Cadmium in mothers' and children's urine was detected at a geometric mean (GM) concentration 0.227 and 0.109 μg/L, respectively; 95th percentile (P95) was 0.655 and 0.280 μg/L in mothers and children, respectively...
May 19, 2017: Archives of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28526871/electro-tactile-stimulation-enhances-cochlear-implant-speech-recognition-in-noise
#2
Juan Huang, Benjamin Sheffield, Payton Lin, Fan-Gang Zeng
For cochlear implant users, combined electro-acoustic stimulation (EAS) significantly improves the performance. However, there are many more users who do not have any functional residual acoustic hearing at low frequencies. Because tactile sensation also operates in the same low frequencies (<500 Hz) as the acoustic hearing in EAS, we propose electro-tactile stimulation (ETS) to improve cochlear implant performance. In ten cochlear implant users, a tactile aid was applied to the index finger that converted voice fundamental frequency into tactile vibrations...
May 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28525773/acetone-facilitated-dna-sampling-from-electrical-tapes-improves-dna-recovery-and-enables-latent-fingerprints-development
#3
Ilan Feine, Moshe Shpitzen, Boris Geller, Eran Salmon, Tsach Peleg, Jonathan Roth, Ron Gafny
Electrical tapes (ETs) are a common component of improvised explosive devices (IEDs) used by terrorists or criminal organizations and represent a valuable forensic resource for DNA and latent fingerprints recovery. However, DNA recovery rates are typically low and usually below the minimal amount required for amplification. In addition, most DNA extraction methods are destructive and do not allow further latent fingerprints development. In the present study a cell culture based touch DNA model was used to demonstrate a two-step acetone-water DNA recovery protocol from ETs...
May 8, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28524086/dietary-green-pea-protects-against-dss-induced-colitis-in-mice-challenged-with-high-fat-diet
#4
Shima Bibi, Luís Fernando de Sousa Moraes, Noelle Lebow, Mei-Jun Zhu
Obesity is a risk factor for developing inflammatory bowel disease. Pea is unique with its high content of dietary fiber, polyphenolics, and glycoproteins, all of which are known to be health beneficial. We aimed to investigate the impact of green pea (GP) supplementation on the susceptibility of high-fat diet (HFD)-fed mice to dextran sulfate sodium (DSS)-induced colitis. Six-week-old C57BL/6J female mice were fed a 45% HFD or HFD supplemented with 10% GP. After 7-week dietary supplementation, colitis was induced by adding 2...
May 18, 2017: Nutrients
https://www.readbyqxmd.com/read/28523418/breast-cancer-and-exposure-to-tobacco-smoke-during-potential-windows-of-susceptibility
#5
Alexandra J White, Aimee A D'Aloisio, Hazel B Nichols, Lisa A DeRoo, Dale P Sandler
PURPOSE: An association between smoking and breast cancer is unresolved, although a higher risk from exposure during windows of susceptibility has been proposed. The objective of this prospective study was to evaluate the association between tobacco smoke and breast cancer with a focus on timing of exposure, especially during early life. METHODS: Sister study participants (n = 50,884) aged 35-74 were enrolled from 2003 to 2009. Women in the United States and Puerto Rico were eligible if they were breast cancer-free but had a sister with breast cancer...
May 18, 2017: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/28515478/molecular-phylogenetics-and-biogeography-of-the-mint-tribe-elsholtzieae-nepetoideae-lamiaceae-with-an-emphasis-on-its-diversification-in-east-asia
#6
Pan Li, Zhe-Chen Qi, Lu-Xian Liu, Tetsuo Ohi-Toma, Joongku Lee, Tsung-Hsin Hsieh, Cheng-Xin Fu, Kenneth M Cameron, Ying-Xiong Qiu
Elsholtzia and its allied genera such as Collinsonia and Perilla (tribe Elsholtzieae, Lamiaceae) are an ecologically and economically important plant group consisting of ~71 species, with most species distributed in East and Southeast Asia, and several species in North America. Their phylogeny and historical biogeography resulting in a distant intercontinental disjunction are poorly understood. Here we use two nuclear (ETS, ITS) and five chloroplast (rbcL, matK, trnL-F, ycf1, ycf1-rps15) fragments to reconstruct the phylogeny, biogeographic history, and patterns of diversification of Elsholtzieae...
May 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28515055/exome-sequencing-of-african-american-prostate-cancer-reveals-loss-of-function-erf-mutations
#7
Franklin W Huang, Juan Miguel Mosquera, Andrea Garofalo, Coyin Oh, Maria Baco, Ali Amin-Mansour, Bokang Rabasha, Samira Bahl, Stephanie A Mullane, Brian D Robinson, Saud Aldubayan, Francesca Khani, Beerinder Karir, Eejung Kim, Jeremy Chimene-Weiss, Matan Hofree, Alessandro Romanel, Joseph R Osborne, Jong Wook Kim, Gissou Azabdaftari, Anna Woloszynska-Read, Karen Sfanos, Angelo M De Marzo, Francesca Demichelis, Stacey Gabriel, Eliezer M Van Allen, Jill Mesirov, Pablo Tamayo, Mark A Rubin, Isaac J Powell, Levi A Garraway
African-American men have the highest incidence and mortality from prostate cancer. Whether a biological basis exists for this disparity remains unclear. Exome sequencing (n=102) and targeted validation (n = 90) of localized primary hormone-naïve prostate cancer in African-American men identified several gene mutations not previously observed in this context, including recurrent loss-of-function mutations in ERF, an ETS transcriptional repressor, in 5% of cases. Analysis of existing prostate cancer cohorts revealed ERF deletions in 3% of primary prostate cancers and mutations or deletions in ERF in 3-5% of lethal castration-resistant prostate cancers...
May 17, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28512706/cyanides-in-the-environment-analysis-problems-and-challenges
#8
Ewa Jaszczak, Żaneta Polkowska, Sylwia Narkowicz, Jacek Namieśnik
Cyanide toxicity and their environmental impact are well known. Nevertheless, they are still used in the mining, galvanic and chemical industries. As a result of industrial activities, cyanides are released in various forms to all elements of the environment. In a natural environment, cyanide exists as cyanogenic glycosides in plants seeds. Too much consumption can cause unpleasant side effects. However, environmental tobacco smoke (ETS) is the most common source of cyanide. Live organisms have the ability to convert cyanide into less toxic compounds excreted with physiological fluids...
May 16, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28511966/identification-of-potential-target-genes-and-related-regulatory-transcription-factors-in-spontaneous-hairline-fracture-induced-by-hypervitaminosis-a
#9
Chuangang Peng, Qi Yang, Bo Wei, Yong Liu, Yuxiang Li, Dawei Gu, Guochao Yin, Bo Wang, Dehui Xu, Xuebing Zhang, Daliang Kong
BACKGROUND: The aim was to research the molecular changes of bone cells induced by excessive dose of vitamin A, and analyze molecular mechanism underlying spontaneous fracture. METHODS: The gene expression profile of GSE29859, including 4 cortical bone marrow samples with excessive doses of Vitamin A and 4 control cortical bone marrow samples, was obtained from the Gene Expression Omnibus (GEO) database. Differentially expressed genes (DGEs) between cortical bone marrow samples and control samples were screened out and pathway enrichment analysis was undertaken...
May 2, 2017: Injury
https://www.readbyqxmd.com/read/28502794/mir-125a-5p-modulates-phenotypic-switch-of-vascular-smooth-muscle-cells-by-targeting-ets-1
#10
C Gareri, C Iaconetti, S Sorrentino, C Covello, S De Rosa, C Indolfi
MicroRNAs are key regulators of vascular smooth muscle cells (VSMCs) phenotypic switch, one of the main events responsible for bare metal stent restenosis (ISR) after percutaneous coronary intervention (PCI). miR-125a-5p is an important modulator of differentiation, proliferation and migration in different cell types; however, its role in VSMCs is still unknown. The aim of this study was to evaluate the role of miR-125a-5p in VSMCs phenotypic switch. Our results suggest that miR-125a-5p is highly expressed in VSMCs, but it is down-regulated after vascular injury in vivo...
May 11, 2017: Journal of Molecular Biology
https://www.readbyqxmd.com/read/28501367/old-habits-die-hard-retrospective-analysis-of-outcomes-with-use-of-corticosteroids-and-antibiotics-before-embryo-transfer
#11
Leah Kaye, Chantal Bartels, Alison Bartolucci, Lawrence Engmann, John Nulsen, Claudio Benadiva
OBJECTIVE: To evaluate clinical pregnancy rates in embryo transfer (ET) cycles with and without peri-implantation corticosteroid and oral antibiotic administration. DESIGN: Retrospective cohort study. SETTING: University-affiliated in vitro fertilization (IVF) clinic. PATIENT(S): Eight hundred and seventy-six ETs with or without the routine use of methylprednisolone and doxycycline. INTERVENTION(S): Embryo transfer procedures...
May 10, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28501323/reliable-and-practical-methods-for-cryopreservation-of-embryogenic-cultures-and-cold-storage-of-somatic-embryos-of-norway-spruce
#12
Saila Varis, Susanna Ahola, Laura Jaakola, Tuija Aronen
Somatic embryogenesis (SE) is considered as the most-effective method for vegetative propagation of Norway spruce (Picea abies L. Karst). For mass propagation, a cryopreservation method able to handle large numbers of embryogenic tissues (ETs) reliably and at low costs is needed. The aim of the present study was to compare pretreatments, cryoprotectants and slow-cooling devices for cryopreservation of Norway spruce ETs, with 12 variations of methods and a total of 136 spruce genotypes. Secondly, possible applications for cold storage of mature somatic embryos were studied with the aim of developing a flexible time window for embling production...
May 10, 2017: Cryobiology
https://www.readbyqxmd.com/read/28489852/recurrent-promoter-mutations-in-melanoma-are-defined-by-an-extended-context-specific-mutational-signature
#13
Nils Johan Fredriksson, Kerryn Elliott, Stefan Filges, Jimmy Van den Eynden, Anders Ståhlberg, Erik Larsson
Sequencing of whole tumor genomes holds the promise of revealing functional somatic regulatory mutations, such as those described in the TERT promoter. Recurrent promoter mutations have been identified in many additional genes and appear to be particularly common in melanoma, but convincing functional data such as influence on gene expression has been more elusive. Here, we show that frequently recurring promoter mutations in melanoma occur almost exclusively at cytosines flanked by a distinct sequence signature, TTCCG, with TERT as a notable exception...
May 10, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28486422/the-relationship-between-environmental-tobacco-smoke-exposure-and-cardiovascular-disease-and-the-potential-modifying-effect-of-diet-in-a-prospective-cohort-among-american-indians-the-strong-heart-study
#14
Sarah Rajkumar, Amanda M Fretts, Barbara V Howard, Fawn Yeh, Maggie L Clark
American Indians experience high rates of cardiovascular diseases (CVD). Environmental tobacco smoke (ETS) has been linked to CVD, possibly due to pro-inflammatory and oxidative stress pathways. We examined the relationship between self-reported exposure to ETS and fatal and nonfatal CVD incidence using Cox proportional hazards models among 1843 non-smoking American Indians participating in the Strong Heart Study. We also evaluated potential modifying effects of several dietary nutrients high in anti-inflammatory and anti-oxidant properties with ETS exposure on fatal and nonfatal CVD by creating interaction terms between ETS exposure and the dietary variable...
May 9, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28481254/a-versatile-electronic-tongue-based-on-surface-plasmon-resonance-imaging-and-cross-reactive-sensor-arrays-a-mini-review
#15
REVIEW
Laurie-Amandine Garçon, Maria Genua, Yanjie Hou, Arnaud Buhot, Roberto Calemczuk, Thierry Livache, Martial Billon, Christine Le Narvor, David Bonnaffé, Hugues Lortat-Jacob, Yanxia Hou
Nowadays, there is a strong demand for the development of new analytical devices with novel performances to improve the quality of our daily lives. In this context, multisensor systems such as electronic tongues (eTs) have emerged as promising alternatives. Recently, we have developed a new versatile eT system by coupling surface plasmon resonance imaging (SPRi) with cross-reactive sensor arrays. In order to largely simplify the preparation of sensing materials with a great diversity, an innovative combinatorial approach was proposed by combining and mixing a small number of easily accessible molecules displaying different physicochemical properties...
May 6, 2017: Sensors
https://www.readbyqxmd.com/read/28481163/body-temperature-after-ems-transport-association-with-traumatic-brain-injury-outcomes
#16
Joshua B Gaither, Vatsal Chikani, Uwe Stolz, Chad Viscusi, Kurt Denninghoff, Bruce Barnhart, Terry Mullins, Amber D Rice, Moses Mhayamaguru, Jennifer J Smith, Samuel M Keim, Bentley J Bobrow, Daniel W Spaite
INTRODUCTION: Low body temperatures following prehospital transport are associated with poor outcomes in patients with traumatic brain injury (TBI). However, a minimal amount is known about potential associations across a range of temperatures obtained immediately after prehospital transport. Furthermore, a minimal amount is known about the influence of body temperature on non-mortality outcomes. The purpose of this study was to assess the correlation between temperatures obtained immediately following prehospital transport and TBI outcomes across the entire range of temperatures...
May 8, 2017: Prehospital Emergency Care
https://www.readbyqxmd.com/read/28475124/goblet-cells-contribute-to-ocular-surface-immune-tolerance-implications-for-dry-eye-disease
#17
Flavia L Barbosa, Yangyan Xiao, Fang Bian, Terry G Coursey, Byung Yi Ko, Hans Clevers, Cintia S de Paiva, Stephen C Pflugfelder
Conjunctival goblet cell (GC) loss in dry eye is associated with ocular surface inflammation. This study investigated if conjunctival GCs contribute to ocular surface immune tolerance. Antigens applied to the ocular surface, imaged by confocal microscopy, passed into the conjunctival stroma through goblet cell associated passages (GAPs) in wild type C57BL/6 (WT), while ovalbumin (OVA) was retained in the epithelium of SAM pointed domain containing ETS transcription factor (Spdef) knockout mice (Spdef(-)/(-)) that lack GCs and are a novel model of dry eye...
May 5, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28474232/ets-targeted-therapy-can-it-substitute-for-mek-inhibitors
#18
REVIEW
Osamu Tetsu, Frank McCormick
BACKGROUND: The RAS/MAPK pathway has been intensively studied in cancer. Constitutive activation of ERK1 and ERK2 is frequently found in cancer cells from a variety of tissues. In clinical practice and clinical trials, small molecules targeting receptor tyrosine kinases or components in the MAPK cascade are used for treatment. MEK1 and MEK2 are ideal targets because these enzymes are physiologically important and have narrow substrate specificities and distinctive structural characteristics...
December 2017: Clinical and Translational Medicine
https://www.readbyqxmd.com/read/28472459/resolving-rapid-radiations-within-angiosperm-families-using-anchored-phylogenomics
#19
Étienne Léveillé-Bourret, Julian R Starr, Bruce A Ford, Emily Moriarty Lemmon, Alan R Lemmon
Despite the promise that molecular data would provide a seemingly unlimited source of independent characters, many plant phylogenetic studies are still based on only two regions, the plastid genome and nuclear ribosomal DNA (nrDNA). Their popularity can be explained by high copy numbers and universal PCR primers that make their sequences easily amplified and converted into parallel datasets. Unfortunately, their utility is limited by linked loci and limited characters resulting in low confidence in the accuracy of phylogenetic estimates, especially when rapid radiations occur...
May 4, 2017: Systematic Biology
https://www.readbyqxmd.com/read/28472321/high-fsh-dosing-is-associated-with-reduced-live-birth-rate-in-fresh-but-not-subsequent-frozen-embryo-transfers
#20
Erika M Munch, Amy E Sparks, M Bridget Zimmerman, Bradley J Van Voorhis, Eyup Hakan Duran
STUDY QUESTION: Do live birth rates (LBRs) differ between fresh embryo transfer (fresh ET) cycles and their subsequent paired frozen ET (FET) cycles, when comparing cycles based on the total FSH dose used during the fresh cycle? SUMMARY ANSWER: When compared to the paired frozen embryo transfer cycles, the LBR in the fresh cycle of the highest total FSH dose group (>2500 IU) was reduced by 38%. WHAT IS KNOWN ALREADY: There may be a negative association with high gonadotropin doses and LBR after fresh ET...
May 3, 2017: Human Reproduction
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