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https://www.readbyqxmd.com/read/28528517/loss-of-msh2-and-msh6-due-to-heterozygous-germline-defects-in-msh3-and-msh6
#1
Monika Morak, Sarah Käsbauer, Martina Kerscher, Andreas Laner, Anke M Nissen, Anna Benet-Pagès, Hans K Schackert, Gisela Keller, Trisari Massdorf, Elke Holinski-Feder
Lynch Syndrome (LS) is the most common dominantly inherited colorectal cancer (CRC) predisposition and is caused by a heterozygous germline defect in one of the DNA mismatch repair (MMR) genes MLH1, MSH2, MSH6, or PMS2. High microsatellite instability (MSI-H) and loss of MMR protein expression in tumours reflecting a defective MMR are indicators for LS, as well as a positive family history of early onset CRC. MSH2 and MSH6 form a major functional heterodimer, and MSH3 is an alternative binding partner for MSH2...
May 20, 2017: Familial Cancer
https://www.readbyqxmd.com/read/28528514/tissue-metabolism-and-the-inflammatory-bowel-diseases
#2
REVIEW
Jordi M Lanis, Daniel J Kao, Erica E Alexeev, Sean P Colgan
The intestinal mucosa provides a selective barrier between the anaerobic lumen and a highly metabolic lamina propria. A number of recent studies indicate that acute inflammation of the mucosa can result in tissue hypoxia and associated shifts in tissue metabolism. The activation of hypoxia-inducible factor (HIF) under these conditions has been demonstrated to function as an endogenous molecular cue to promote resolution of inflammation, particularly through the orchestration of barrier repair toward homeostasis...
May 20, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28528512/working-memory-in-the-processing-of-long-distance-dependencies-interference-and-filler-maintenance
#3
Tal Ness, Aya Meltzer-Asscher
During the temporal delay between the filler and gap sites in long-distance dependencies, the "active filler" strategy can be implemented in two ways: the filler phrase can be actively maintained in working memory ("maintenance account"), or it can be retrieved only when the parser posits a gap ("retrieval account"). The current study tested whether filler content is maintained during the processing of dependencies. Using a self-paced reading paradigm, we compared reading times on a noun phrase (NP) between the filler and gap sites in object relative clauses, to reading times on an NP between the antecedent and ellipsis sites in ellipsis sentences...
May 20, 2017: Journal of Psycholinguistic Research
https://www.readbyqxmd.com/read/28528504/assessment-of-trace-metal-accumulation-in-native-mussels-brachidontes-rodriguezii-from-a-south-american-temperate-estuary
#4
Natalia Sol Buzzi, Ana Laura Oliva, Andrés Hugo Arias, Jorge Eduardo Marcovecchio
The present work provides the first results in heavy metal bioaccumulation in the autochthonous mussel Brachidontes rodriguezii from the Bahía Blanca Estuary (Argentina), one of the most important coastal environments of South America, subjected to different anthropogenic pressure. The study is based on the detection of Cd, Cu, Pb, Mn, and Fe in mussels' soft tissue and sediments' fine fraction by means of inductively coupled plasma atomic emission spectroscopy (ICP-OES), in order to analyze the potential relationship between both components of the aquatic system...
May 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28528502/influence-of-amendments-on-cd-and-zn-uptake-and-accumulation-in-rice-oryza-sativa-l-in-contaminated-soil
#5
Patompong Saengwilai, Weeradej Meeinkuirt, John Pichtel, Preeyaporn Koedrith
Cadmium is a toxic metallic element that poses serious human health risks via consumption of contaminated agricultural products. The effect of mixtures of dicalcium phosphate and organic amendments, namely cow manure (MD) and leonardite (LD), on Cd and Zn uptake of three rice cultivars (KDML105, KD53, and PSL2) was examined in mesocosm experiments. Plant growth, Cd and Zn accumulation, and physicochemical properties of the test soils were investigated before and after plant harvest. Amendment application was found to improve soil physicochemical properties; in particular, soil organic matter content and nutrient (N, P, K, Ca, and Mg) concentrations increased significantly...
May 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28528479/accuracy-of-a-new-intraoperative-cone-beam-ct-imaging-technique-artis-zeego-ii-compared-to-postoperative-ct-scan-for-assessment-of-pedicle-screws-placement-and-breaches-detection
#6
Virginie Cordemans, Ludovic Kaminski, Xavier Banse, Bernard G Francq, Olivier Cartiaux
PURPOSE: The goal of this study was to compare the accuracy of a novel intraoperative cone beam computed tomography (CBCT) imaging technique with that of conventional computed tomography (CT) scans for assessment of pedicle screw placement and breach detection. METHODS: Three hundred and forty-eight pedicle screws were inserted in 58 patients between October 2013 and March 2016. All patients had an intraoperative CBCT scan and a conventional CT scan to verify the placement of the screws...
May 20, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28528475/effects-of-selenium-supplementation-on-gene-expression-levels-of-inflammatory-cytokines-and-vascular-endothelial-growth-factor-in-patients-with-gestational-diabetes
#7
Mehri Jamilian, Mansooreh Samimi, Faraneh Afshar Ebrahimi, Esmat Aghadavod, Robabeh Mohammadbeigi, Maryam Rahimi, Zatollah Asemi
Selenium is known to exert multiple beneficial effects including anti-inflammatory actions. The aim of the study was to evaluate the effects of selenium supplementation on gene expression levels of inflammatory cytokines and vascular endothelial growth factor (VEGF) in women with gestational diabetes (GDM). This randomized double-blind, placebo-controlled trial was carried out among 40 subjects diagnosed with GDM aged 18-40 years old. Subjects were randomly allocated into two groups to receive either 200 μg/day selenium supplements (n = 20) or placebo (n = 20) for 6 weeks...
May 21, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28528459/on-the-contribution-of-overt-tactile-expectations-to-visuo-tactile-interactions-within-the-peripersonal-space
#8
Manasa Kandula, Nathan Van der Stoep, Dennis Hofman, H C Dijkerman
Since the discovery of neural regions in the monkey brain that respond preferentially to multisensory stimuli presented in proximal space, researchers have been studying this specialised spatial representation in humans. It has been demonstrated that approaching auditory or visual stimuli modulate tactile processing, while they are within the peripersonal space (PPS). The aim of the current study is to investigate the additional effects of tactile expectation on the PPS-related multisensory interactions. Based on the output of a computational simulation, we expected that as tactile expectation increases rapidly during the course of the motion of the visual stimulus, the outcome RT curves would mask the multisensory contribution of PPS...
May 20, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28528457/exposure-to-parents-negative-emotions-as-a-developmental-pathway-to-the-family-aggregation-of-depression-and-anxiety-in-the-first-year-of-life
#9
REVIEW
Evin Aktar, Susan M Bögels
Depression and anxiety load in families. In the present study, we focus on exposure to parental negative emotions in first postnatal year as a developmental pathway to early parent-to-child transmission of depression and anxiety. We provide an overview of the little research available on the links between infants' exposure to negative emotion and infants' emotional development in this developmentally sensitive period, and highlight priorities for future research. To address continuity between normative and maladaptive development, we discuss exposure to parental negative emotions in infants of parents with as well as without depression and/or anxiety diagnoses...
May 20, 2017: Clinical Child and Family Psychology Review
https://www.readbyqxmd.com/read/28528447/a-single-bout-of-endurance-exercise-modulates-eeg-microstates-temporal-features
#10
Jérôme N Spring, Miralena I Tomescu, Jérôme Barral
Electrical neuroimaging is a promising method to explore the spontaneous brain function after physical exercise. The present study aims to investigate the effect of acute physical exercise on the temporal dynamic of the resting brain activity captured by the four conventional map topographies (microstates) described in the literature, and to associate these brain changes with the post-exercise neuromuscular function. Twenty endurance-trained subjects performed a 30-min biking task at 60% of their maximal aerobic power followed by a 10 km all-out time trial...
May 20, 2017: Brain Topography
https://www.readbyqxmd.com/read/28528419/a-risk-based-characterization-of-sediment-contamination-by-legacy-and-emergent-contaminants-of-concern-in-coastal-british-columbia-canada
#11
Carmen Morales-Caselles, Jean-Pierre W Desforges, Neil Dangerfield, Peter S Ross
Sediments have long been used to help describe pollution sources, contaminated sites, trends over time, and habitat quality for marine life. We collected surficial sediments from 12 sites at an average seawater depth of 25 m in three near-urban areas of the Salish Sea (British Columbia, Canada) to investigate habitat quality for marine life, including heavily contaminated killer whales. Samples were analyzed using high-resolution instrumentation for a wide variety of congeners of polychlorinated biphenyls (PCBs), polybrominated diphenylethers (PBDEs), hexabromocyclododecane (HBCDD), polybrominated biphenyls, polychlorinated dibenzo-p-dioxins (PCDDs), polychlorinated dibenzofurans, organochlorine pesticides, and polychlorinated naphthalenes (PCNs)...
May 20, 2017: Archives of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28528418/spatial-distribution-and-temporal-trend-of-anthropogenic-organic-compounds-derived-from-the-2011-east-japan-earthquake
#12
Kaoruko Mizukawa, Yasuko Hirai, Hiroyuki Sakakibara, Satoshi Endo, Keiji Okuda, Hideshige Takada, Naoko Murakami-Sugihara, Kotaro Shirai, Hiroshi Ogawa
The tsunami caused by the Great East Japan Earthquake on March 11, 2011 disturbed coastal environments in the eastern Tohoku region in Japan. Numerous terrestrial materials, including anthropogenic organic compounds, were deposited in the coastal zone. To evaluate the impacts of the disaster, we analyzed PCBs, LABs, PAHs, and hopanes in mussels collected from 12 locations in the east of Tohoku during 2011-2015 (series A) by GC-ECD or GC-MS and compared them with results from mussels collected from 22 locations around Japan during 2001-2004 (series B)...
May 20, 2017: Archives of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28528416/time-trends-of-persistent-organic-pollutants-in-benthic-and-pelagic-indicator-fishes-from-puget-sound-washington-usa
#13
James E West, Sandra M O'Neill, Gina M Ylitalo
We modeled temporal trends in polychlorinated biphenyls (PCBs), polybrominated diphenyl ethers (PBDEs), and dichlorodiphenyltrichloroethane and its metabolites (DDTs) in two indicator fish species representing benthic and pelagic habitats in Puget Sound, Washington, USA. English sole (Parophrys vetulus, benthic) index sites and larger-scale Pacific herring (Clupea pallasii, pelagic) foraging areas represented a wide range of possible contamination conditions, with sampling locations situated adjacent to watersheds exhibiting high, medium and low development...
May 20, 2017: Archives of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28528414/tissue-contaminant-burdens-in-san-francisco-estuary-white-sturgeon-acipenser-transmontanus-implications-for-population-recovery
#14
Deke T Gundersen, Steven C Zeug, Robert B Bringolf, Joseph Merz, Zachary Jackson, Molly A H Webb
The San Francisco Estuary (SFE) is heavily influenced by anthropogenic activities, including historic and chronic contaminant inputs. These contaminants can adversely affect SFE fish populations, particularly white sturgeon, because they are a benthic dwelling, long-lived species. We measured a suite of metals and organic contaminants in liver and gonad tissues of 25 male and 32 female white sturgeon as well as several physiological indicators of sturgeon health. Most sturgeon (68% of males and 83% of females) were estimated to be between 13 and 17 years of age...
May 20, 2017: Archives of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28528413/dissolved-platinum-concentrations-in-coastal-seawater-boso-to-sanriku-areas-japan
#15
Asami Suzuki Mashio, Hajime Obata, Toshitaka Gamo
Platinum, one of the rarest elements in the earth's crust, is now widely used in a range of products, such as catalytic converters in automobiles and anticancer drugs. Increasing use and dispersal of platinum has the potential to affect aquatic environments. Platinum concentrations in open ocean seawater have been found to be very low (approximately 0.2 pmol/L); however, Pt distributions and biogeochemical cycles in coastal areas are unknown. In this study, we investigated Pt concentrations in coastal waters between the Boso and Sanriku areas, Japan, after the 2011 tsunami...
May 20, 2017: Archives of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28528412/bioindicators-of-organochlorine-pesticides-in-the-sea-of-okhotsk-and-the-western-bering-sea
#16
Vasiliy Yu Tsygankov, Margarita D Boyarova, Olga N Lukyanova, Nadezhda K Khristoforova
Organochlorine pesticides (OCPs), such as HCHs and DDTs, are still used as pesticides in the Southern Hemisphere and can reach the North Pacific due to long range atmospheric transfer. Marine mammals (Pacific walrus Odobenus rosmarus divergens, gray whale Eschrichtius robustus), the seabirds (Pacific gull Larus schistisagus, crested auklet Aethia cristatella, auklet crumb Aethia pusilla, northern fulmar Fulmarus glacialis, and grey petrel Oceanodroma furcata) and Pacific salmon (pink Oncorhynchus gorbuscha, chum O...
May 20, 2017: Archives of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28528411/imposex-in-reishia-clavigera-as-an-indicator-to-assess-recovery-of-tbt-pollution-after-a-total-ban-in-south-korea
#17
Nam Sook Kim, Sang Hee Hong, Kyung-Hoon Shin, Won Joon Shim
The temporal changes in the frequency and degree of imposex and tributyltin (TBT) levels in gastropod (Reishia clavigera) were evaluated in Jinhae Bay, 5 and 10 years after the total ban on TBT usage in South Korea. The frequency and degree of imposex decreased significantly after the ban, accompanied by an increase in the female-to-male ratio. The TBT concentrations in R. clavigera also decreased significantly after the ban. There were good correlations between the TBT concentration in rock shell and both the degree of imposex and the female-to-male ratio...
May 20, 2017: Archives of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28528410/comparison-of-toxicities-of-metal-pyrithiones-including-their-degradation-compounds-and-organotin-antifouling-biocides-to-the-japanese-killifish-oryzias-latipes
#18
Madoka Ohji, Hiroya Harino
Japanese killifish Oryzias latipes were exposed to three levels (0, 1, and 10 µg l(-1)) of copper pyrithione (CuPT2), zinc pyrithione (ZnPT2), six of their degradation products, and the organotin compounds tributyltin (TBT) and triphenyltin (TPT) for 48 h at 20 °C. All individual fish exposed to 1 and 10 µg l(-1) of CuPT2 or 10 µg l(-1) of ZnPT2 were dead within 12 h, respectively, and at 24 h the survival rate of the fish exposed to 1 µg l(-1) of ZnPT2 was 50%. All fish exposed to 10 µg l(-1) of ZnPT2 showed morphological abnormalities in the form of vertebral deformity...
May 20, 2017: Archives of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28528409/polychlorinated-biphenyl-related-alterations-of-the-expression-of-essential-genes-in-harbour-seals-phoca-vitulina-from-coastal-sites-in-canada-and-the-united-states
#19
Marie Noël, Neil Dangerfield, Steve Jeffries, Dyanna Lambourn, Monique Lance, Caren Helbing, Michel Lebeuf, Peter S Ross
As long-lived marine mammals found throughout the temperate coastal waters of the North Pacific and Atlantic Oceans, harbour seals (Phoca vitulina) have become an invaluable sentinel of food-web contamination. Their relatively high trophic position predisposes harbour seals to the accumulation of harmful levels of persistent organic pollutants (POPs). We obtained skin/blubber biopsy samples from live-captured young harbour seals from various sites in the northeastern Pacific (British Columbia, Canada, and Washington State, USA) as well as the northwestern Atlantic (Newfoundland and Quebec, Canada)...
May 20, 2017: Archives of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28528408/the-glaucous-winged-gull-larus-glaucescens-as-an-indicator-of-chemical-contaminants-in-the-canadian-pacific-marine-environment-evidence-from-stable-isotopes
#20
M L Davis, J E Elliott, T D Williams
The Glaucous-winged gull (Larus glaucescens) has been selected by Environment Canada as a marine indicator species for long-term monitoring of persistent contaminants in the Canadian Pacific. However, the indicator value of this species depends on its trophic level and proportion of marine prey in its diet. Eggs, used as the monitoring medium, are produced entirely from maternal resources and knowledge of adult diet before and during egg production is critical to interpreting contaminant levels. Due to a lack of recent and reliable dietary ecology work, we examined the diet of breeding Glaucous-winged gulls through carbon (δ(13)C) and nitrogen (δ(15)N) stable isotope analysis at three colonies on the Pacific coast...
May 20, 2017: Archives of Environmental Contamination and Toxicology
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