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Mon, 04/22/2019 - 01:13
Publication date: Available online 19 April 2019 Environmental ResearchAuthor(s): Andreas Tornevi, Johan Sommar, Panu Rantakokko, Agneta Åkesson, Carolina Donat-Vargas, Hannu Kiviranta, Olov Rolandsson, Lars Rylander, Maria Wennberg, Ingvar A. BergdahlAbstractBackgroundPersistent organic pollutants (POPs) have been associated with type 2 diabetes (T2D), but causality is uncertain.ObjectiveWithin...
Fri, 03/29/2019 - 01:11
Publication date: June 2019 Environmental Research, Volume 173Author(s): Martí Nadal, Montse Mari, Marta Schuhmacher, José L. DomingoAbstractThe concentrations of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) were analyzed in 40 plasma samples of individuals living in zones under potential influence of the emissions of a hazardous waste incinerator (HWI) (Tarragona County,...
Mon, 10/08/2018 - 01:12
Publication date: Available online 6 October 2018 Food and Chemical ToxicologyAuthor(s): Walkiria Levy, Karl-Werner Schramm, Florian Mertes, Bernhard Henkelmann, Martina Maywald, Peter Uciechowski, Alexander Loa, Johannes Haedrich, Ines Thiem, Henner Hollert, Roland Goerlich, Thorsten Bernsmann, Lothar RinkAbstractRecent European regulations have indicated the need for new bioanalytical screening...
Mon, 10/01/2018 - 00:00
Abstract β-propeller phytase-like sequences (BPP-like sequences) are widespread in the microbial world and have been found in the sequenced genomes of aquatic, soil, and plant bacteria. Exploring NCBI microbial genome database for putative genes encoding phytase, a BPP-like sequence from Sphingomonas wittichii RW-1 (Sequence ID: CP000699.1), known for its capacity of degrading...
Mon, 04/30/2018 - 09:51
Publication date: October 2018 , Volume 92 Author(s): Regina Klapper, Noelia Carballeda-Sangiao, Thomas Kuhn, Hannah Malene Jensen, Kurt Buchmann, Miguel Gonzalez-Muñoz, Horst Karl Canned liver is a highly valuable and healthy product from the important commercial fish species cod Gadus morhua. Due to high levels of contaminants such as dioxins and dioxin-like PCBs (...
Fri, 04/13/2018 - 03:00
Journal of Food Protection, Volume 81, Issue 5, Page 842-847, May 2018.
Fri, 11/17/2017 - 00:00
AbstractDifferences in risk perceptions of public health and food safety hazards in various poultry husbandry systems by various stakeholder groups, may affect the acceptability of those husbandry systems. Therefore, the objective was to gain insight into risk perceptions of citizens, poultry farmers, and poultry veterinarians regarding food safety and public health hazards in poultry husbandry...
Mon, 11/06/2017 - 12:13
Publication date: 15 April 2018 , Volume 245 Author(s): Vincent Vaccher, Philippe Marchand, Mélanie Picherot, Gaud Dervilly-Pinel, Elodie Lesquin, Aline Brosseaud, Anaïs Venisseau, Bruno Le Bizec During a national monitoring plan, a pork fat sample was declared non-compliant for the sum of dioxins and PCB-DL (EU regulation). The National Reference Laboratory together with...
Mon, 11/06/2017 - 08:19
Publication date: December 2017 Food and Chemical Toxicology, Volume 110 Author(s): Jessica Tressou, Nadia Ben Abdallah, Christelle Planche, Gaud Dervilly-Pinel, Pierre Sans, Erwan Engel, Isabelle Albert In this paper, exposure to Polychlorinated biphenyls (PCBs) related to bovine meat consumption is assessed based on multiples sources of data, namely data collected within the...
Mon, 09/18/2017 - 17:00
Rance Nault, Kelly A. Fader, Jack R. Harkema, Tim Zacharewski The aryl hydrocarbon receptor (AhR) is a highly conserved transcription factor that mediates a broad spectrum of species-, strain-, sex-, age-, tissue-, and cell-specific responses elicited structurally diverse ligands including 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD). Dose-dependent effects on liver-specific and sexually dimorphic...
Fri, 08/18/2017 - 17:00
Eiki Kimura, Ken-ichiro Kubo, Toshihiro Endo, Wenting Ling, Kazunori Nakajima, Masaki Kakeyama, Chiharu Tohyama The basic helix-loop-helix (bHLH) transcription factors exert multiple functions in mammalian cerebral cortex development. The aryl hydrocarbon receptor (AhR), a member of the bHLH-Per-Arnt-Sim subfamily, is a ligand-activated transcription factor reported to regulate nervous system...
Fri, 06/30/2017 - 17:00
Christiane Hammerschmidt-Kamper, Daniel Biljes, Katja Merches, Irina Steiner, Thomas Daldrup, Marianne Bol-Schoenmakers, Raymond H. H. Pieters, Charlotte Esser In general, dietary antigens are tolerated the gut associated immune system. Impairment of this so-called oral tolerance is a serious health risk. We have previously shown that activation of the ligand-dependent transcription factor aryl...
Fri, 03/10/2017 - 00:00
Abstract The purpose of this study was to investigate the levels of polycyclic aromatic hydrocarbons [benzo(a)anthracene, chrysene, benzo(b)fluoranthene, and benzo(a)pyrene], polychlorinated biphenyls (6 marker and 12 dioxin-like), pesticides (74 compounds) and heavy metals (Pb, Cd, As, Hg, Fe, Cu), in the cold-pressed rapeseed oils from conventional (RC) and ecological...
Fri, 03/03/2017 - 06:20
Abstract This study investigated microbial population shifts on citrus carpoplane and the impact of irrigation and packhouse processing water in four commercial farms. Samples included oranges (n = 450) and water (n = 230). Mean microbial concentrations ranging from 1.6 to 3.6 log colony forming units (CFU)/cm2 were detected on unwashed fruit and were reduced at least by 2.0 log CFU/cm2 for...
Thu, 12/15/2016 - 11:00
Several bacteria use the plant hormone indole-3-acetic acid (IAA) as a sole carbon and energy source. A cluster of genes (named iac) encoding IAA degradation has been reported in Pseudomonas putida 1290, but the functions of these genes are not completely understood. The plant-growth-promoting rhizobacterium Paraburkholderia phytofirmans PsJN harbors iac gene homologues in its genome, but with a...
Thu, 12/08/2016 - 21:56
Publication date: February 2017 , Volume 72, Part B Author(s): Mona Stancheva, Stanislava Georgieva, Lubomir Makedonski Polychlorinated biphenyls (PCBs) were measured in muscle tissue of six marine fish species: sprat (Sprattus sprattus sulinus), grey mullet (Mugil cephalus), bluefish (Pomatomus saltatrix), turbot (Psetta maxima), red mullet (Mullus barbatus) and garfish (Belone belone...
Thu, 12/08/2016 - 21:56
Publication date: February 2017 , Volume 72, Part B Author(s): H.J. van der Fels-Klerx, P. Adamse, J. de Jong, R. Hoogenboom, M. de Nijs, P. Bikker A qualitative spreadsheet model has been developed for ranking feed ingredients on the basis of the potential risk of exceeding existing guidance or maximum levels in the EU for a certain contaminant, and the potential consequence of...
Fri, 11/25/2016 - 10:00
Abstract Monitoring of dairy products should preferably focus on the most relevant food safety hazards in the dairy supply chain. For this purpose, the possible presence of microbiological, chemical, and physical hazards as well as trends in the dairy supply chain that may affect their presence were assessed. A literature review was combined with available data from EFSA, RASFF, and the Dutch...
Thu, 09/29/2016 - 17:00
Sebastian Heger, Kerstin Bluhm, Julia Brendt, Philipp Mayer, Nico Anders, Andreas Schäffer, Thomas-Benjamin Seiler, Henner Hollert Only few information on the potential toxic effectiveness of biofuels are available. Due to increasing worldwide demand for energy and fuels during the past decades, biofuels are considered as a promising alternative for fossil fuels in the transport sector. Hence,...
Sat, 07/16/2016 - 09:10
Publication date: Available online 15 July 2016 Food and Chemical Toxicology Author(s): Saimi Tokunaga, Bruce R. Woodin, John J. Stegeman Dioxins and dioxin-like compounds (DLCs) enter the body mainly through diet and cause various toxicological effects through activation of the aryl hydrocarbon receptor (AhR), a ligand activated transcription factor. Some plant extracts and...
Tue, 04/12/2016 - 00:00
The levels of polychlorinated dibenzo-p-dioxin (PCDD) and polychlorinated dibenzofuran (PCDF) or polychlorinated biphenyl (PCB) in foodstuffs have decreased over the past decade in many countries. However, the trend for the levels of these compounds in foodstuffs in Taiwan remains unknown. In this study, we compared the distribution of PCDD/F and PCB in nine foodstuff categories acquired from...
Wed, 03/23/2016 - 17:00
Aldo Cavallini, Catia Lippolis, Margherita Vacca, Claudia Nardelli, Alessandra Castegna, Fabio Arnesano, Nicola Carella, Raffaella Depalo Environmental chemicals, such as heavy metals, affect female reproductive function. A biological sensor of the signals of many toxic chemical compounds seems to be the aryl hydrocarbon receptor (AHR). Previous studies demonstrated the environmental of heavy...
Mon, 01/11/2016 - 17:00
Francesco Raggi, Dania Russo, Claudio Urbani, Chiara Sardella, Luca Manetti, Daniele Cappellani, Isabella Lupi, Luca Tomisti, Enio Martino, Claudio Marcocci, Fausto Bogazzi Polychlorinated biphenyls (PCBs) can disrupt the endocrine function, promote neoplasms and regulate apoptosis in some tissues; however, it is unknown whether PCBs can affect the apoptosis of pituitary cells. The study...
Tue, 01/05/2016 - 09:35
Publication date: June 2016 , Volume 64 Author(s): Kyung-Min Lee, Timothy J. Herrman, Susie Y. Dai The statistically derived risk-based sampling plan for surveillance sample assignments of chemical and biological hazards was designed using binomial probability distribution. The binomial statistics was applied to the past 3-year data to estimate a confidence interval and a sample size...
Wed, 10/14/2015 - 17:00
Jill F. Kerrigan, Daniel R. Engstrom, Donald Yee, Charles Sueper, Paul R. Erickson, Matthew Grandbois, Kristopher McNeill, William A. Arnold Hydroxylated polybrominated diphenyl ethers (OH-BDEs) are a new class of contaminants of emerging concern, but the relative roles of natural and anthropogenic sources remain uncertain. Polybrominated diphenyl ethers (PBDEs) are used as brominated flame...
Fri, 10/09/2015 - 04:11
Publication date: March 2016 , Volume 61 Author(s): Søren Sørensen, Kirsten H. Lund, Tommy L. Cederberg, Nicolai Z. Ballin Salmon and herring from the Baltic Sea are prohibited for sale for human consumption in the European Union or only allowed to be marketed under certain conditions. Fish from certain specific geographical origins also command higher prices in the market than fish...
Sat, 06/13/2015 - 01:23
Nikola Nowack, Jürgen Wittsiepe, Monika Kasper-Sonnenberg, Michael Wilhelm, Axel Schölmerich Background Polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) and polychlorinated biphenyls (PCBs) are assumed to act as endocrine disruptor chemicals. Prenatal exposure to these pollutants might influence fetal steroid hormone levels, which are thought to be related to sex-typical development...
Sat, 05/09/2015 - 01:25
Yun Wang, Hong Chen, NingLing Wang, HaiYan Guo, Yonglun Fu, Songguo Xue, Ai Ai, Qifeng Lyu, Yanping Kuang The goal of this study is to elucidate the effects of 17β-estradiol and TCDD (2,3,7,8-tetrachlorodibenzo-p-dioxin) on macrophage phenotypes in the endometriotic milieu. Co-culture of endometrial stromal cells (ESCs) and U937 cells (macrophage cell line) was performed to simulate the...
Sat, 04/25/2015 - 01:20
Danielle Naville, Emmanuel Labaronne, Nathalie Vega, Claudie Pinteur, Emmanuelle Canet-Soulas, Hubert Vidal, Brigitte Le Magueresse-Battistoni Pollutants are suspected to contribute to the etiology of obesity and related metabolic disorders. Apart from occupational exposure which concerns a subset of chemicals, humans are mostly exposed to a large variety of chemicals, all life-long and at low...