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Showing 1-30 of 133 results for "a6636" within Papers
Rahul R Bhowate et al.
Journal of oral and maxillofacial pathology : JOMFP, 25(1), 110-117 (2021-08-06)
Areca nut is deeply rooted sociocultural habit in India. Areca nut reported to be infested by fungi during the field and storage conditions. Areca nut alkaloids, nitrosamines, tobacco and aflatoxin are cytotoxic, immunotoxic to red blood cell and epithelial cell.
Samantha Jardon-Xicotencatl et al.
Toxins, 7(10), 4294-4314 (2015-10-30)
Aflatoxins, a group of extremely toxic mycotoxins produced by Aspergillus flavus, A. parasiticus and A. nomius, can occur as natural contaminants of certain agricultural commodities, particularly maize. These toxins have been shown to be hepatotoxic, carcinogenic, mutagenic and cause severe
Mei Shu et al.
Talanta, 143, 388-393 (2015-06-17)
Nanobodies that are small and thermally stable, as well as have high expression level, are leading alternative to produce anti-idiotypic antibodies. These antibodies have the advantage of replacing mycotoxins and their conjugates for immunoassays. In this work, anti-fumonisin B1 (FB1)
Ajit Kumar et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 52, 216-224 (2012-11-28)
We have earlier conclusively established the Calreticulin Transacetylase (CRTAase) catalyzed modifications of functional proteins such as cytochrome-P450-linked mixed function oxidases (Cyt-P450-linked MFOs), NADPH cytochrome c reductase, and glutathione S-transferase by acetoxy derivatives of polyphenols. In this study, we have investigated
Yelko Rodríguez-Carrasco et al.
Toxins, 7(3), 705-718 (2015-02-28)
A duplicate diet study was designed to explore the occurrence of 15 Fusarium mycotoxins in the 24 h-diet consumed by one volunteer as well as the levels of mycotoxins in his 24 h-collected urine. The employed methodology involved solvent extraction
M M Manson et al.
Carcinogenesis, 18(9), 1729-1738 (1997-11-05)
A range of potential chemoprotective agents, most of them natural dietary constituents, has been examined for ability to modulate both phase I (cytochrome P450 1A1, 1A2, 2B1/2, 2C11, 2E1, 3A, 4A) and phase II drug metabolizing enzymes (glutathione S-transferases, in
Suquan Song et al.
Journal of chromatography. A, 1292, 111-120 (2012-11-28)
Direct determination of urinary mycotoxins is a better approach to assess individual's exposure than the indirect estimation from average dietary intakes. In this study, a new analytical method was developed and validated for simultaneous analysis of aflatoxin B1, deoxynivalenol, fumonisin
Xi-Dai Long et al.
Epidemiology (Cambridge, Mass.), 24(5), 671-681 (2013-06-22)
Genetic polymorphisms in DNA repair genes may influence individual variation in DNA repair capacity and may play an important role in carcinogenesis. We investigated the role of genetic polymorphisms at XRCC4 codon 247 (rs3734091, XRCC4P) and XRCC5 codon 180 (rs80309960
Jalil Mehrzad et al.
International journal of toxicology, 39(1), 30-38 (2019-12-24)
Aflatoxin (AF) B1 is a potent hepatotoxic, mutagenic, teratogenic mycotoxin and may cause immune suppression/dysregulation in humans and animals. Toxic effects of AFB1 on key mammalian immune cells (ie, leukocytes) needs to be mechanistically elucidated. In this study, along with
Sumit Rawal et al.
Research in veterinary science, 89(3), 325-331 (2010-05-14)
Aflatoxins (AF) are ubiquitous in corn-based animal feed and causes hepatotoxic and hepatocarcinogenic effects. The most important AF in terms of toxic potency and occurrence is aflatoxin B1 (AFB1). Poultry, especially turkeys, are extremely sensitive to the toxic and carcinogenic
Cormac McElhinney et al.
Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment, 32(12), 2101-2112 (2015-09-17)
An ultra-high-performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) multi-mycotoxin analytical method was developed to simultaneously identify and quantify 20 mycotoxins in grass silages, inclusive of mycotoxins that are currently regulated in European Union feeds. Extraction of mycotoxins from dried grass silages
Gina Cecilia Pistol et al.
PloS one, 10(5), e0127503-e0127503 (2015-05-27)
The toxicity of zearalenone (ZEA) was evaluated in swine spleen, a key organ for the innate and adaptative immune response. Weaned pigs were fed for 18 days with a control or a ZEA contaminated diet. The effect of ZEA was
Chi Yang et al.
Toxicology letters, 224(3), 371-379 (2013-11-12)
Aflatoxin B1 (AFB1) is a potent hepatocarcinogen that causes carcinogenesis in many animal species. In previous study, we found that isocitrate dehydrogenase 3α subunit (IDH3α) was upregulated in AFB1-induced carcinogenesis process. In this study, the sequences of IDH3α from various
Jing Fang et al.
Biological trace element research, 187(1), 273-280 (2018-05-18)
Aflatoxin B1 (AFB1) can cause hepatotoxicity, genotoxicity, and immunosuppressive effects for a variety of organisms. Selenium (Se), as an essential nutrient element, plays important protective effects against cell apoptosis induced by AFB1. This research aimed to reveal the ameliorative effects
Yanli Ma et al.
PloS one, 7(10), e47961-e47961 (2012-11-01)
Aflatoxin B1 (AFB1) is a potent carcinogen that can induce hepatocellular carcinoma. AFB1-8,9-exo-epoxide, one of AFB1 metabolites, acts as a mutagen to react with DNA and induce gene mutations, including the tumor suppressor p53. In addition, AFB1 reportedly stimulates IGF
Carry-over of aflatoxin B1 to aflatoxin M1 in high yielding Israeli cows in mid- and late-lactation.
Malka Britzi et al.
Toxins, 5(1), 173-183 (2013-01-18)
The potent hepatotoxin and carcinogen aflatoxin B1 (AFB1) is a common mycotoxin contaminant of grains used in animal feeds. Aflatoxin M1 (AFM1) is the major metabolite of AFB1 in mammals, being partially excreted into milk, and is a possible human
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
Hang Li et al.
Journal of toxicologic pathology, 32(1), 27-36 (2019-02-12)
The purpose of the present study was to evaluate effects of aflatoxin B1 (AFB1) on the cell cycle and proliferation of splenic cells in chickens. A total of 144 one-day-old Cobb male chickens were randomly divided into 2 equal groups
Youngung Seok et al.
Analytica chimica acta, 886, 182-187 (2015-09-01)
An ultrasensitive, colorimetric and homogeneous strategy for aflatoxin B1 (AFB1) detection, which uses a DNA aptamer and two split DNAzyme halves, has been developed. Split halves of a hemin-binding DNAzymes is combined with an AFB1 aptamer to generate a homogeneous
Xia Xu et al.
Biosensors & bioelectronics, 47, 361-367 (2013-04-23)
This report illustrates a promising one-step and label-free optical biosensor for determination of aflatoxin B1 (AFB1) that is most commonly found in foods and highly dangerous even at very low concentrations. In this research, gold nanorods (GNRs) were employed as
Zhichao Liu et al.
PLoS computational biology, 7(12), e1002310-e1002310 (2011-12-24)
Drug-induced liver injury (DILI) is a significant concern in drug development due to the poor concordance between preclinical and clinical findings of liver toxicity. We hypothesized that the DILI types (hepatotoxic side effects) seen in the clinic can be translated
Hajar Zolfaghari et al.
Advanced pharmaceutical bulletin, 10(3), 482-487 (2020-07-16)
Purpose: The present study was conducted to assess the ability of probiotic bacteria and yeasts strains to reduce aflatoxin B1 (AFB1) in gastrointestinal simulated conditions. Aflatoxins are potent carcinogenic and immunosuppressive agents. Acute exposure to a high level of aflatoxins
Pasi Huuskonen et al.
Toxicology letters, 218(3), 200-206 (2013-02-14)
Effects of 96 h aflatoxin B1 (AFB1) exposure at concentrations from 0.2 μM to 6 μM on the mRNA and protein expression levels of the following transporters ABCB1/B4, ABCC1, ABCC2, ABCG2, OAT4 and the mRNA expression of steroid-metabolizing enzymes CYP1A1
Zbynek Dzuman et al.
Analytica chimica acta, 863, 29-40 (2015-03-04)
A new reliable and highly sensitive method based on high performance liquid chromatographic (HPLC) separation and high resolution tandem mass spectrometric detection (HRMS/MS) has been developed and validated for determination of 323 pesticide residues, 55 mycotoxins, and 11 plant toxins
D V Neeff et al.
Poultry science, 92(1), 131-137 (2012-12-18)
The aim of this study was to determine the binding capacity of a hydrated sodium calcium aluminosilicate (HSCAS) for aflatoxin B(1) (AFB(1)), and the efficacy of the HSCAS to reduce the concentrations of residual AFB(1) and its metabolites in the
E V Siloto et al.
Poultry science, 92(8), 2077-2083 (2013-07-23)
Aflatoxins (AF) and fumonisins (FU) are a major problem faced by poultry farmers, leading to huge economic losses. This experiment was conducted to determine the effects of AF (1 mg/kg of feed) and FU (25 mg/kg of feed), singly or
Xiaoyan Lu et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 55, 444-455 (2013-02-07)
The aim of this work was to identify mechanisms and potential biomarkers for predicting the development and progression of aflatoxin B1 (AFB1)-induced acute hepatotoxicity. In this study, microarray analysis and metabolites profiles were used to identify shifts in gene expression
G Chitarrini et al.
International journal of food microbiology, 189, 1-10 (2014-08-12)
Buckwheat (Fagopyrum spp.) is a "pseudo-cereal" of great interest in the production of healthy foods since its flour, derived from achenes, is enriched with bioactive compounds and, due to the absence of gluten, may be used in composition of celiac
Jean-Michel Fernandes et al.
Mycotoxin research, 35(3), 243-252 (2019-03-25)
This work characterizes the adsorption of aflatoxin B1 (AFB1), ochratoxin A (OTA), and zearalenone (ZEN) by dry micronized olive pomace (OliPom) and grape stems (GrapStem). Their performance was compared with that of three other materials, activated carbon (ActCarb), bentonite (Bent)
Katherine A Guindon-Kezis et al.
Toxicology, 321, 21-26 (2014-03-29)
Carcinogenicity of the mycotoxin aflatoxin B1 (AFB1), which is produced by Aspergillus fungi, is associated with bioactivation of AFB1 to AFB1-8,9-exo-epoxide and formation of DNA adducts. However, AFB1 also causes 8-hydroxy-2'-deoxyguanosine (8-OHdG) formation in mouse lung DNA, suggesting that oxidative
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