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Showing 1-30 of 141 results for "48564" within Papers
Human genome-wide repair map of DNA damage caused by the cigarette smoke carcinogen benzo [a] pyrene
Li W, et al.
Proceedings of the National Academy of Sciences of the USA (2017)
Ankur Gupta et al.
Journal of chromatography. A, 1278, 16-21 (2013-01-23)
A novel supermacroporous cryogel matrix, poly(4-vinyl pyridine-co-divinyl benzene) has been synthesized by free radical polymerization using 4-vinyl pyridine and divinyl benzene as monomers and poly(ethylene glycol) diacrylate as crosslinker. Hydrophobic property of such synthesized matrix allows capture of polyaromatic hydrocarbons
Béatrice Dendelé et al.
Chemico-biological interactions, 207, 41-51 (2013-11-20)
Plasma membrane is an early target of polycyclic aromatic hydrocarbons (PAH). We previously showed that the PAH prototype, benzo[a]pyrene (B[a]P), triggers apoptosis via DNA damage-induced p53 activation (genotoxic pathway) and via remodeling of the membrane cholesterol-rich microdomains called lipid rafts
Yuyun Chen et al.
International journal of environmental research and public health, 12(11), 14148-14163 (2015-11-13)
Weihe River is a typical river located in the arid and semi-arid regions of Northwest China. In this study, the distribution and sources of 16 polycyclic aromatic hydrocarbons (PAHs) in Weihe River were investigated. The concentrations of ∑PAHs ranged from
Ohgew Kweon et al.
Journal of bacteriology, 196(19), 3503-3515 (2014-07-30)
Despite the considerable knowledge of bacterial high-molecular-weight (HMW) polycyclic aromatic hydrocarbon (PAH) metabolism, the key enzyme(s) and its pleiotropic and epistatic behavior(s) responsible for low-molecular-weight (LMW) PAHs in HMW PAH-metabolic networks remain poorly understood. In this study, a phenotype-based strategy
N Creusot et al.
Environmental science and pollution research international, 22(21), 16393-16404 (2014-12-05)
Assessment of exposure and effect of fish to pharmaceuticals that contaminate aquatic environment is a current major issue in ecotoxicology and there is a need to develop specific biological marker to achieve this goal. Benzyloxy-4-trifluoromethylcoumarin-O-debenzyloxylase (BFCOD) enzymatic activity has been
Jun Bo et al.
Environmental toxicology, 29(5), 517-525 (2012-05-23)
The effects of polycyclic aromatic hydrocarbons (PAHs) have been reported to modulate the immune response in aquatic animals, but the collected information of their effects on fish immunity is so far ambiguous. This study demonstrated that Benzo[a]pyrene (BaP) exposure altered
M E Boerrigter et al.
Mechanisms of ageing and development, 82(1), 31-50 (1995-07-28)
In this study, we employed the sensitive 32P-postlabeling assay to assess the influence of age on the formation and disappearance of benzo[a]pyrene (B[a]P) DNA adducts in six organs of two different mouse strains with different life spans, C57BL/6ByJ (C57BL/6) and
Jae-Suk Choi et al.
Biological & pharmaceutical bulletin, 37(12), 1963-1970 (2014-12-03)
Rice bran oil extracted by supercritical CO2 extraction (RB-SCE) reportedly exhibits pharmacological activities such as antioxidant and in vivo hair growth-inducing effects. Such activities raise the possibility of the development of novel hair growth-inducing agents using RB-SCE. The aim of
Daniel W Nebert et al.
Molecular pharmacology, 84(3), 304-313 (2013-06-14)
Benzo[a]pyrene (BaP) is a prototypical polycyclic aromatic hydrocarbon (PAH); this ubiquitous environmental carcinogenic agent is found in tobacco smoke, charcoal-grilled foods, and PAH-contaminated surfaces of roofs, playgrounds, and highways. Cytochrome P450 1 wild-type, Cyp1a2(-/-), Cyp1b1(-/-), or Cyp1a2/1b1(-/-) knockouts, and mice
Juan Zhang et al.
Journal of chromatography. A, 1388, 9-16 (2015-03-03)
Zeolitic imidazolate frameworks (ZIFs), a subfamily of metal-organic frameworks (MOFs), have received considerable attention as a novel porous material for sample preparation due to their fascinating structures and unique properties. Here, we developed a novel bio-inspired polydopamine (PDA) method to
C Paul Nathanail et al.
Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering, 48(6), 594-603 (2013-02-28)
A former coking works in England is being remediated to enable its redevelopment. We have developed site specific human health risk assessment criteria (SSAC) for benzo[a]pyrene (BaP) based on detailed characterisation of red shale proposed for reuse in an area
Olga Mavrofrydi et al.
Journal of environmental pathology, toxicology and oncology : official organ of the International Society for Environmental Toxicology and Cancer, 31(4), 335-347 (2013-02-12)
Hypoxia inducible factor-1α (HIF-lα) is a central regulator of tumor survival and metastasis, responsible for metabolic adaptation to hypoxic conditions and promotion of angiogenesis. It has been also shown to respond to non-hypoxic stimuli, such as growth factors and moderate
Long Zhao et al.
Ecotoxicology and environmental safety, 108, 120-128 (2014-07-23)
A comprehensive investigation of the levels, distribution patterns, and sources of polycyclic aromatic hydrocarbons (PAHs) in agricultural soils of the coal production area surrounding Xinzhou, China, was conducted, and the potential human health risks associated with the levels observed were
Xin Xu et al.
Molecular carcinogenesis, 54(2), 134-147 (2013-09-07)
Rat mammary carcinoma susceptibility 5a1 (Mcs5a1), which is concordant to human MCS5A1 breast cancer risk locus, mediates susceptibility by a non-mammary cell-autonomous mechanism associated with T cell differential expression of F-box protein 10 (Fbxo10). Human FBXO10, an evolutionarily conserved ubiquitin
María I Cuartero et al.
Circulation, 130(23), 2040-2051 (2014-11-02)
Aryl hydrocarbon receptor (AhR) is a transcription factor that belongs to the basic helix-loop-helix PAS (Per-Arnt-Sim homology domain) family known to mediate the toxic and carcinogenic effects of xenobiotics. Interestingly, AhR is widely expressed in the central nervous system, but
Alena Gábelová et al.
Toxicology and applied pharmacology, 271(1), 1-12 (2013-05-04)
To gain a deeper insight into the potential interactions between individual aromatic hydrocarbons in a mixture, several benzo[a]pyrene (B[a]P) and 7H-dibenzo[c,g]carbazole (DBC) binary mixtures were studied. The biological activity of the binary mixtures was investigated in the HepG2 and WB-F344
Shu-qun Cheng et al.
Environmental toxicology and pharmacology, 36(2), 648-658 (2013-07-31)
Benzo(a)pyrene (B[a]P) is an environmental carcinogen that induces tumors in many animal species, but the neurotoxic effects of B[a]P have not been well studied. In the present study, we investigated the effects of subacute exposure to B[a]P in Sprague-Dawley (SD)
Paul L Severson et al.
Mutation research. Genetic toxicology and environmental mutagenesis, 775-776, 48-54 (2014-12-02)
Genetic mutations are known to drive cancer progression and certain tumors have mutation signatures that reflect exposures to environmental carcinogens. Benzo[a]pyrene (BaP) has a known mutation signature and has proven capable of inducing changes to DNA sequence that drives normal
Bo-Mi Kim et al.
Aquatic toxicology (Amsterdam, Netherlands), 152, 232-243 (2014-05-06)
Despite being a strong toxicant for aquatic ecosystems, the effect of benzo[a]pyrene (B[a]P) on whole cytochrome P450 (CYP) biotransformation mechanisms has not been deeply investigated in aquatic organisms. To understand the mode of action of B[a]P on CYP molecular responses
Kroum Alexandrov et al.
Carcinogenesis, 23(12), 1969-1977 (2003-01-01)
Benzo[a]pyrene diol epoxide (BPDE)-DNA adducts are involved in the induction of p53 mutations and probably in the causation of human lung cancer associated with cigarette smoking. The ratio between CYP1A1 and GST enzyme activities is a critical determinant of the
Heiko U Käfferlein et al.
Critical reviews in toxicology, 40(2), 126-150 (2010-01-21)
Polycyclic aromatic hydrocarbons (PAHs) are ubiquitous in our environment and can cause cancer. Exposure to PAHs can be assessed by protein adduct dosimetry using benzo[a]pyrene (B[a]P) as a model compound. We present an overview of analytical methods to detect B[a]P-
A P Wolterbeek et al.
Cancer letters, 89(1), 107-116 (1995-02-10)
Several experimental models have been developed to study respiratory tract carcinogenesis. The most widely applied in vivo model uses Syrian golden hamsters which receive intratracheal instillations of a suspension of benzo[a]pyrene (B[a]P) particles attached to ferric-oxide (Fe2O3) particles in saline;
Axelle Chiffre et al.
Environmental science and pollution research international, 22(22), 17486-17498 (2015-07-04)
This study investigates the variations of polycyclic aromatic hydrocarbon (PAH) levels in surface water, suspended particulate matter (SPM) and sediment upstream and downstream of the discharges of two wastewater treatment plant (WWTP) effluents. Relationships between the levels of PAHs in
Susanna Sforzini et al.
Chemosphere, 107, 282-289 (2014-01-15)
An immunohistochemical method using antibodies against polycyclic aromatic hydrocarbons (PAHs) and dioxins was developed on frozen tissue sections of the earthworm Eisenia andrei exposed to environmentally relevant concentrations of benzo[a]pyrene (B[a]P) (0.1, 10, 50 ppm) and 2,3,7,8-tetrachloro-dibenzo-para-dioxin (TCDD) (0.01, 0.1
Ramya Mohandass et al.
Journal of environmental biology, 33(6), 985-989 (2013-06-08)
Polycyclic aromatic hydrocarbons are a group of compounds that pose threat to humans and animal life. Methods to reduce the amount of PAHs in the environment are continuously being sought. The bacterial consortium capable of utilizing benzo(a)pyrene as the sole
Samuel Obiri et al.
Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering, 48(4), 408-416 (2013-02-06)
This study is part of a broader initiative to characterize, quantify and assess the human health risk associated with exposure to polycyclic aromatic hydrocarbons (PAHs) in street dust along the Trans-ECOWAS highway in West Africa. In the first part, PAHs
Haixia Lin et al.
Toxicological sciences : an official journal of the Society of Toxicology, 139(2), 338-349 (2014-03-07)
Ginkgo biloba has been used for many thousand years as a traditional herbal remedy and its extract has been consumed for many decades as a dietary supplement. Ginkgo biloba leaf extract is a complex mixture with many constituents, including flavonol
I W H Jarvis et al.
Toxicology letters, 229(1), 25-32 (2014-06-10)
Polycyclic aromatic hydrocarbons (PAHs) are common environmental pollutants that occur naturally in complex mixtures. Many of the adverse health effects of PAHs including cancer are linked to the activation of intracellular stress response signaling. This study has investigated intracellular MAPK
Larisa Ilijin et al.
Environmental toxicology and chemistry, 34(11), 2618-2624 (2015-06-17)
Increased presence of benzo[a]pyrene in the environment underlines the need for development of sensitive biomarkers for monitoring. Antioxidative enzymes could be used as early-warning signals because of their sensitivity and applicability. The activity of 2 antioxidative enzymes, superoxide dismutase (SOD)
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