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    Subjectsepidemiology (3)Screening (3)Antimicrobial resistance (2)Children (2)HPV (2)View MoreJournalInt J Cancer 2018; advance online publication (ahead of print) (6)Infectieziekten Bulletin 2018; 29(3) (4)Toxicol in Vitro 2018; advance online publication (ahead of print) (4)Clin Infect Dis 2018; advance online publication (ahead of print) (3)Eur J Nutr 2018; advance online publication (ahead of print) (3)View MoreAuthorsTrichopoulou, Antonia (57)Tumino, Rosario (55)Tjønneland, Anne (54)Boeing, Heiner (53)Overvad, Kim (52)View MoreYear (Issue Date)2010 - 2019 (1186)2003 - 2009 (230)Types
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    Construction and evaluation of Bordetella pertussis live attenuated vaccine strain BPZE1 producing Fim3.

    Debrie, Anne-Sophie; Coutte, Loïc; Raze, Dominique; Mooi, Frits; Alexander, Frances; Gorringe, Andrew; Mielcarek, Nathalie; Locht, Camille (2018-03-07)
    Pertussis or whooping cough is currently the most prevalent vaccine-preventable childhood disease despite >85% global vaccination coverage. In recent years incidence has greatly increased in several high-income countries that have switched from the first-generation, whole-cell vaccine to the newer acellular vaccines, calling for improved vaccination strategies with better vaccines. We have developed a live attenuated pertussis vaccine candidate, called BPZE1, which is currently in clinical development. Unlike other pertussis vaccines, BPZE1 has been shown to provide strong protection against infection by the causative agent of pertussis, Bordetella pertussis, in non-human primates. BPZE1 is a derivative of the B. pertussis strain Tohama I, which produces serotype 2 (Fim2) but not serotype 3 fimbriae (Fim3). As immune responses to fimbriae are likely to contribute to protection, we constructed a BPZE1 derivative, called BPZE1f3, that produces both serotypes of fimbriae. Whereas nasal vaccination of mice with BPZE1 induced antibodies to Fim2 but not to Fim3, vaccination with BPZE1f3 elicited antibodies to both Fim2 and Fim3 at approximately the same level. In mice, both BPZE1 and BPZE1f3 provided equal levels of protection against clinical isolates that either produce Fim2 alone, both Fim2 and Fim3, or no fimbriae. However, vaccination with BPZE1f3 provided significantly stronger protection against Fim3-only producing B. pertussis than vaccination with BPZE1, indicating that immune responses to fimbriae contribute to serotype-specific protection against B. pertussis infection.
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    Lifetime and baseline alcohol intakes and risk of pancreatic cancer in the European Prospective Investigation into Cancer and Nutrition study.

    Naudin, Sabine; Li, Kuanrong; Jaouen, Tristan; Assi, Nada; Kyrø, Cecilie; Tjønneland, Anne; Overvad, Kim; Boutron-Ruault, Marie-Christine; Rebours, Vinciane; Védié, Anne-Laure; Boeing, Heiner; Kaaks, Rudolf; Katzke, Verena; Bamia, Christina; Naska, Androniki; Trichopoulou, Antonia; Berrino, Franco; Tagliabue, Giovanna; Palli, Domenico; Panico, Salvatore; Tumino, Rosario; Sacerdote, Carlotta; Peeters, Petra H; Bueno-de-Mesquita, Bas; Weiderpass Vainio, Elisabete; Gram, Inger Torhild; Skeie, Guri; Chirlaque, Maria-Dolores; Rodríguez-Barranco, Miguel; Barricarte, Aurelio; Quirós, Jose Ramón; Dorronsoro, Miren; Johansson, Ingegerd; Sund, Malin; Sternby, Hanna; Bradbury, Kathryn E; Wareham, Nick; Riboli, Elio; Gunter, Marc; Brennan, Paul; Duell, Eric J; Ferrari, Pietro (2018-03-09)
    Recent evidence suggested a weak relationship between alcohol consumption and pancreatic cancer (PC) risk. In this study, the association between lifetime and baseline alcohol intakes and the risk of PC was evaluated, including the type of alcoholic beverages and potential interaction with smoking. Within the European Prospective Investigation into Cancer and Nutrition (EPIC) study, 1,283 incident PC (57% women) were diagnosed from 476,106 cancer-free participants, followed up for 14 years. Amounts of lifetime and baseline alcohol were estimated through lifestyle and dietary questionnaires, respectively. Cox proportional hazard models with age as primary time variable were used to estimate PC hazard ratios (HR) and their 95% confidence interval (CI). Alcohol intake was positively associated with PC risk in men. Associations were mainly driven by extreme alcohol levels, with HRs comparing heavy drinkers (>60 g/day) to the reference category (0.1-4.9 g/day) equal to 1.77 (95% CI: 1.06, 2.95) and 1.63 (95% CI: 1.16, 2.29) for lifetime and baseline alcohol, respectively. Baseline alcohol intakes from beer (>40 g/day) and spirits/liquors (>10 g/day) showed HRs equal to 1.58 (95% CI: 1.07, 2.34) and 1.41 (95% CI: 1.03, 1.94), respectively, compared to the reference category (0.1-2.9 g/day). In women, HR estimates did not reach statistically significance. The alcohol and PC risk association was not modified by smoking status. Findings from a large prospective study suggest that baseline and lifetime alcohol intakes were positively associated with PC risk, with more apparent risk estimates for beer and spirits/liquors than wine intake. This article is protected by copyright. All rights reserved.
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    Trophic transfer of cadmium from duckweed (Lemna Minor L.) to Tilapia (Oreochromis mossambicus)

    Xue, Yan; Peijnenburg, Willie J G M; Huang, Jin; Wang, Dengjun; Jin, Yan (2018-01-05)
    The transfer of the toxic heavy metal Cd from duckweed (Lemna minor L.) to the freshwater fish tilapia (Oreochromis mossambicus) was investigated. Concentrations of Cd in different chemical forms in duckweed and in different tissues (gut, edible muscle, and remnants) of tilapia, i.e., ethanol-extractable (FE ), HCl-extractable (FHCl ), and residual fractions (FR ) were quantified, and the bioaccumulation factors (BAF) of Cd in the tilapia body were calculated. Simple linear regression analysis was used to unravel the correlation and accumulation mechanisms of Cd along the short food chain. Our results show that with increasing exposure concentrations of Cd (0-50 µM for duckweed and 0-10 µM for tilapia), the total, FE (Fe,d ), FHCl (Fh,d ), and FR (Fr,d )-Cd concentrations in duckweed and different tissues of tilapia increased progressively. The Cd sources (aqueous or dietary) influenced the BAF for Cd accumulation in the whole body of tilapia. Furthermore, regression analyses yielded significant positive correlations (R2  > 0.96) between the Cd concentration in duckweed and in both the three parts and the whole body of tilapia. This finding suggests that Cd transfer from duckweed to tilapia can be quantitatively evaluated when tilapia is exposed only to duckweed. In addition, the linear regression between Cd accumulation in whole tilapia and Fe,d , Fh,d and Fr ,d -Cd showed that particularly the correlation with Fe,d -Cd is statistically significant (p < 0.001). The accumulated Cd concentrations and chemical forms in tilapia tissues also positively correlated with Cd sources (solution or duckweed). Compared to waterborne exposure only, duckweed especially increased the accumulation of Cd in the gut of tilapia. Taken together, our findings suggest a strong dependence of Cd accumulation and transfer from duckweed to tilapia on its chemical forms, especially on Fe,d -Cd. This knowledge may expedite more accurate risk assessment of heavy metals through aquatic food chain ecosystems. This article is protected by copyright. All rights reserved.
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    Global phylogeography and genetic diversity of the zoonotic tapeworm Echinococcus granulosus sensu stricto genotype G1.

    Kinkar, Liina; Laurimäe, Teivi; Acosta-Jamett, Gerardo; Andresiuk, Vanessa; Balkaya, Ibrahim; Casulli, Adriano; Gasser, Robin B; van der Giessen, Joke; González, Luis Miguel; Haag, Karen L; Zait, Houria; Irshadullah, Malik; Jabbar, Abdul; Jenkins, David J; Kia, Eshrat Beigom; Manfredi, Maria Teresa; Mirhendi, Hossein; M'rad, Selim; Rostami-Nejad, Mohammad; Oudni-M'rad, Myriam; Pierangeli, Nora Beatriz; Ponce-Gordo, Francisco; Rehbein, Steffen; Sharbatkhori, Mitra; Simsek, Sami; Soriano, Silvia Viviana; Sprong, Hein; Šnábel, Viliam; Umhang, Gérald; Varcasia, Antonio; Saarma, Urmas (2018-05-19)
    Echinococcus granulosus sensu stricto (s.s.) is the major cause of human cystic echinococcosis worldwide and is listed among the most severe parasitic diseases of humans. To date, numerous studies have investigated the genetic diversity and population structure of E. granulosus s.s. in various geographic regions. However, there has been no global study. Recently, using mitochondrial DNA, it was shown that E. granulosus s.s. G1 and G3 are distinct genotypes, but a larger dataset is required to confirm the distinction of these genotypes. The objectives of this study were to: (i) investigate the distinction of genotypes G1 and G3 using a large global dataset; and (ii) analyse the genetic diversity and phylogeography of genotype G1 on a global scale using near-complete mitogenome sequences. For this study, 222 globally distributed E. granulosus s.s. samples were used, of which 212 belonged to genotype G1 and 10 to G3. Using a total sequence length of 11,682 bp, we inferred phylogenetic networks for three datasets: E. granulosus s.s. (n = 222), G1 (n = 212) and human G1 samples (n = 41). In addition, the Bayesian phylogenetic and phylogeographic analyses were performed. The latter yielded several strongly supported diffusion routes of genotype G1 originating from Turkey, Tunisia and Argentina. We conclude that: (i) using a considerably larger dataset than employed previously, E. granulosus s.s. G1 and G3 are indeed distinct mitochondrial genotypes; (ii) the genetic diversity of E. granulosus s.s. G1 is high globally, with lower values in South America; and (iii) the complex phylogeographic patterns emerging from the phylogenetic and geographic analyses suggest that the current distribution of genotype G1 has been shaped by intensive animal trade.
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    Assessment and prediction of joint algal toxicity of binary mixtures of graphene and ionic liquids.

    Wang, Zhuang; Zhang, Fan; Wang, Se; Peijnenburg, Willie J G M (2017-10)
    Graphene and ionic liquids (ILs) released into the environment will interact with each other. So far however, the risks associated with the concurrent exposure of biota to graphene and ILs in the environment have received little attention. The research reported here focused on observing and predicting the joint toxicity effects in the green alga Scenedesmus obliquus exposed to binary mixtures of intrinsic graphene (iG)/graphene oxide (GO) and five ILs of varying anionic and cationic types. The isolated ILs in the binary mixtures were the main contributors to toxicity. The binary GO-IL mixtures resulted in more severe joint toxicity than the binary iG-IL mixtures, irrespective of mixture ratios. The mechanism of the joint toxicity may be associated with the adsorption capability of the graphenes for the ILs, the dispersion stability of the graphenes in aquatic media, and modulation of the binary mixtures-induced oxidative stress. A toxic unit assessment showed that the graphene and IL toxicities were additive at low concentration of the mixtures but antagonistic at high concentration of the mixtures. Predictions made using the concentration addition and independent action models were close to the observed joint toxicities regardless of mixture types and mixture ratios. These findings provide new insights that are of use in the risk assessment of mixtures of engineered nanoparticles and other environmentally relevant contaminants.
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    Phytotoxic effects of silver nanoparticles and silver ions to Arabidopsis thaliana as revealed by analysis of molecular responses and of metabolic pathways

    Ke, Mingjing; Qu, Qian; Peijnenburg, W.J.G.M.; Li, Xingxing; Zhang, Meng; Zhang, Zhenyan; Lu, Tao; Pan, Xiangliang; Qian, Haifeng (2018-12)
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    Allergic contact cheilitis caused by olaflur in toothpaste.

    de Groot, Anton; Tupker, Ron; Hissink, Diny; Woutersen, Marjolijn (2017-01)
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    The safety of the use of bisphenol A in medical devices.

    Testai, Emanuela; Hartemann, Philippe; Rodríguez-Farre, Eduardo; Rastogi, Suresh Chandra; Bustos, Juana; Gundert-Remy, Ursula; Hensten, Arne; Kopperud, Hilde Molvig; Olea, Nicolás; Piersma, Aldert; De Jong, Wim (2016-08)
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    Consensus statement on the need for innovation, transition and implementation of developmental neurotoxicity (DNT) testing for regulatory purposes.

    Fritsche, Ellen; Grandjean, Philippe; Crofton, Kevin M; Aschner, Michael; Goldberg, Alan; Heinonen, Tuula; Hessel, Ellen V S; Hogberg, Helena; Bennekou, Susanne Hougaard; Lein, Pamela J; Leist, Marcel; Mundy, William R; Paparella, Martin; Piersma, Aldert H; Sachana, Magdalini; Schmuck, Gabriele; Solecki, Roland; Terron, Andrea; Monnet-Tschudi, Florianne; Wilks, Martin F; Witters, Hilda; Zurich, Marie-Gabrielle; Bal-Price, Anna (2018-02-12)
    This consensus statement voices the agreement of scientific stakeholders from regulatory agencies, academia and industry that a new framework needs adopting for assessment of chemicals with the potential to disrupt brain development. An increased prevalence of neurodevelopmental disorders in children has been observed that cannot solely be explained by genetics and recently pre- and postnatal exposure to environmental chemicals has been suspected as a causal factor. There is only very limited information on neurodevelopmental toxicity, leaving thousands of chemicals, that are present in the environment, with high uncertainty concerning their developmental neurotoxicity (DNT) potential. Closing this data gap with the current test guideline approach is not feasible, because the in vivo bioassays are far too resource-intensive concerning time, money and number of animals. A variety of in vitro methods are now available, that have the potential to close this data gap by permitting mode-of-action-based DNT testing employing human stem cells-derived neuronal/glial models. In vitro DNT data together with in silico approaches will in the future allow development of predictive models for DNT effects. The ultimate application goals of these new approach methods for DNT testing are their usage for different regulatory purposes.
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    The safety of dental amalgam and alternative dental restoration materials for patients and users.

    Rodríguez-Farre, Eduardo; Testai, Emanuela; Bruzell, Ellen; De Jong, Wim; Schmalz, Gottfried; Thomsen, Mogens; Hensten, Arne (2016-08)
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