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Showing 31-60 of 141 results for "48564" within Papers
Liyun Gao et al.
Toxicology letters, 223(2), 205-210 (2013-10-03)
It has recently been found that the new class of transcripts, long non-coding RNAs (lncRNAs), are pervasively transcribed in the genome. LncRNAs are a large family of non-coding RNAs and regulate many protein-coding genes. Growing evidence indicates that lncRNAs may
Lenka Smerdová et al.
Toxicology, 314(1), 30-38 (2013-09-13)
Long-term deregulated inflammation represents one of the key factors contributing to lung cancer etiology. Previously, we have observed that tumor necrosis factor-α (TNF-α), a major pro-inflammatory cytokine, enhances genotoxicity of benzo[a]pyrene (B[a]P), a highly carcinogenic polycyclic aromatic hydrocarbon, in rat
Heloísa H P Oliveira et al.
Ecotoxicology and environmental safety, 96, 67-74 (2013-07-23)
In an attempt to explore complex metabolic interactions between toxicants present in polluted freshwater, hepatic metabolism of benzo(a)pyrene (BaP) and tributyltin (TBT) in fish was investigated when these compounds were administrated alone, mixed together and along with dichlorodiphenyltrichloroethane (DDT). Ten
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
Chibuike Chigbo et al.
Environmental science and pollution research international, 20(12), 8955-8963 (2013-06-12)
Polycyclic aromatic hydrocarbons and heavy metals in the environment are a concern, and their removal to acceptable level is required. Phytoremediation, the use of plants to treat contaminated soils, could be an interesting alternative to conventional remediation processes. This work
Bioaccumulation in Marine Organisms: Effect of Contaminants from Oil Well Produced Water (2002)
Wei Zhao et al.
Toxicology, 309, 73-80 (2013-05-09)
To explore the relationship between DNA polymerase β (pol β) overexpression and benzo[a]pyrene (BaP) carcinogenesis. Firstly, mouse embryonic fibroblasts that express wild-type level of DNA polymerase β (pol β cell) and high level of pol β (pol β oe cell)
Rapid determination of benzo(a)pyrene in olive oil samples with solid-phase extraction and low-pressure, wide-bore gas chromatography-mass spectrometry and fast liquid chromatography with fluorescence detection
Bogusz MJ, et al.
Journal of Chromatography A, 1026(1-2), 1-7 (2004)
Ming Kei Chung et al.
Analytical biochemistry, 435(2), 140-149 (2013-01-22)
Exposure to polycyclic aromatic hydrocarbons has often been quantified via DNA or human serum albumin (HSA) adducts of the carcinogenic metabolite benzo[a]pyrene diol epoxide (BPDE). We previously reported a sandwich ELISA, using 8E11 as capture antibody and anti-HSA as detection
Marlon J A Jetten et al.
Toxicology, 323, 61-69 (2014-06-21)
Large differences in toxicity responses occur within the human population. In this study we evaluate whether interindividual variation in baseline enzyme activity (EA)/gene expression (GE) levels in liver predispose for the variation in toxicity responses by assessing dose-response relationships for
Rapid determination of benzo [a] pyrene in roasted coffee and coffee brew by high-performance liquid chromatography with fluorescence detection
De Kruijf N, et al.
Journal of Agricultural and Food Chemistry, 35(4), 545-549 (1987)
Diane Benford et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 48 Suppl 1, S42-S48 (2009-10-13)
Benzo[a]pyrene (BaP) and a number of other polycyclic aromatic hydrocarbons (PAH) are mutagenic and are also carcinogenic in rodent bioassays. Oral carcinogenicity data are not available for individual PAH other than BaP, and so BaP has been used as a
Gunnar Boysen et al.
Mutation research, 543(1), 17-30 (2003-01-03)
We review studies which investigate the presence, using structure-specific analytical methods, of DNA or protein adducts of the carcinogen benzo[a]pyrene (BaP) in human tissues. The analytical methods include high performance liquid chromatography with fluorescence detection and gas chromatography-mass spectrometry. Although
Katsuyoshi Horibata et al.
Environmental and molecular mutagenesis, 54(9), 747-754 (2013-10-10)
The recently developed Pig-a mutation assay is based on flow cytometric enumeration of glycosylphosphatidylinositol (GPI) anchor-deficient red blood cells caused by a forward mutation in the Pig-a gene. Because the assay can be conducted in nontransgenic animals and the mutations
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
H A Hattemer-Frey et al.
Toxicology and industrial health, 7(3), 141-157 (1991-05-01)
A multimedia transport model was used to evaluate the environmental partitioning of benzo-a-pyrene (BaP). Measured and predicted environmental concentrations were used to estimate the accumulation of BaP in the food chain and the subsequent extent of human exposure from inhalation
Marten A Schults et al.
Mutagenesis, 28(2), 181-185 (2013-01-18)
Genetic polymorphisms can partially explain the large inter-individual variation in DNA adduct levels following exposure to polycyclic aromatic hydrocarbons. Effects of genetic polymorphisms on DNA adduct formation are difficult to assess in human studies because exposure misclassification attenuates underlying relationships.
Hui Chang et al.
Carcinogenesis, 35(8), 1847-1854 (2014-05-28)
The mammalian target of rapamycin (mTOR), which is a master regulator of cellular catabolism and anabolism, plays an important role in tumourigenesis and progression. In this study, we report the chemopreventive effect of the dietary compound ampelopsin (AMP) on breast
S R Crowell et al.
Toxicology letters, 228(1), 48-55 (2014-04-29)
Polycyclic aromatic hydrocarbons (PAHs) are ubiquitous and often carcinogenic contaminants released into the environment during natural and anthropogenic combustion processes. Benzo[a]pyrene (B[a]P) is the prototypical carcinogenic PAH, and dibenzo[def,p]chrysene (DBC) is a less prevalent, but highly potent transplacental carcinogenic PAH.
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
Juan Du et al.
Archives of environmental contamination and toxicology, 66(3), 370-378 (2014-02-21)
Polycyclic aromatic hydrocarbons (PAHs) are ubiquitous in aquatic ecosystems and have been shown to be one of the causes of sediment toxicity to benthic invertebrates. Benzo[a]pyrene (BaP) was selected as a representative for the PAH family of compounds for developing
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
Rajesh Mandarapu et al.
Journal of immunotoxicology, 12(1), 48-55 (2014-02-07)
In the past two decades, hematologic and immunologic disorders in humans have been increasingly reported as a result of pesticide exposures. Therefore, safety assessment is required to assess the effects on hematopoiesis and thus on the immune system in addition
Claudia Luckert et al.
Toxicology letters, 222(2), 180-188 (2013-07-13)
Metabolic activation of polycyclic aromatic hydrocarbons (PAH) is mediated mainly by cytochrome P₄₅₀ monooxygenases (CYP) CYP1A1, 1A2 and 1B1. Several PAH are known to induce these CYP via aryl hydrocarbon receptor (AhR) signaling. Recently, it was shown that the PAH
Tong Liu et al.
Gene, 555(2), 108-118 (2014-12-03)
HSP70 and HSP90 are the most important heat shock proteins (HSPs), which play the key roles in the cell as molecular chaperones and may involve in metabolic detoxification. The present research has obtained full-length cDNAs of genes HSP70 and HSP90
Xiaochen Duan et al.
Environmental toxicology and chemistry, 34(2), 283-290 (2014-10-22)
The aims of the present study were to compare the toxic effects of benzo[a]pyrene (BaP) and to screen for rapid and sensitive biomarkers that can be used to assess the environmental risks of BaP in earthworms in different natural soil
Yoshinori Ikenaka et al.
The Journal of toxicological sciences, 38(1), 131-136 (2013-01-30)
We estimated acute toxicity of benzo[a]pyrene (B[a]P) using two cladoceran species, Ceriodaphnia reticulata and Daphnia magna, and also analyzed its impact on zooplankton community throughout an exposure experiment using small-scale mesocosms. LC(50) of B[a]P for C. reticulata and D. magna
Ying Pang et al.
Toxicology letters, 218(2), 105-117 (2013-01-22)
Both arsenite and benzo(a)pyrene (BaP) are known human carcinogens. Studies on the mode-of-action of arsenite indicate that it can also act as co-carcinogen or as a cancer promoter, and that it can facilitate progression of cancers. Some studies on development
[Information on a new occupational disease: "Lung cancer caused by polycyclic aromatic hydrocarbons with evidence of the effect of a cumulative dose of at least 100 benzo(a)pyrene years ([microgram/m3] * years)].
G Praml et al.
Pneumologie (Stuttgart, Germany), 52(12), 684-686 (1999-02-24)
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