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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.
Juhui Ko et al.
Journal of hazardous materials, 285, 11-17 (2014-12-03)
Aflatoxin B1 (AFB1) is a well-known carcinogenic contaminant in foods. It is classified as an extremely hazardous compound because of its potential toxicity to the human nervous system. AFB1 has also been extensively used as a biochemical marker to evaluate
Lei Bao et al.
Journal of AOAC International, 96(5), 1017-1018 (2013-11-29)
A collaborative study of a method for determination of aflatoxins (AFs) B1, B2, G1, and G2 in olive oil, peanut oil, and sesame oil using immunoaffinity column cleanup, postcolumn derivatization, and LC with fluorescence detection, previously published in J. AOAC
Taihua Li et al.
Biosensors & bioelectronics, 42, 403-408 (2012-12-12)
The phenomenon of fluorescence quenching of an antibody by a specific ligand was applied in developing a technique for detection of mycotoxins, such as aflatoxin B₁ (AFB₁), ochratoxin A, and zearalenone. Studies showed that the intrinsic fluorescence of tryptophan (Trp)
Ludmila V Roze et al.
Annual review of food science and technology, 4, 293-311 (2012-12-19)
Aflatoxins are among the principal mycotoxins that contaminate economically important food and feed crops. Aflatoxin B1 is the most potent naturally occurring carcinogen known and is also an immunosuppressant. Occurrence of aflatoxins in crops has vast economic and human health
Diane Benford et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 48 Suppl 1, S34-S41 (2010-02-02)
Aflatoxin B1 (AFB1) has been consistently shown to be a potent mutagen and is a liver carcinogen in humans and a wide range of animal species. The Fisher rat appears to be the most sensitive animal model. Dose-response modelling results
A W Yunus et al.
Poultry science, 92(11), 2899-2903 (2013-10-19)
The purpose of this study was to observe the effects of low doses of aflatoxin B1 (AFB1) on responses to common vaccines and levels of serum cations in broilers. Male broilers at 7 d of age were fed control (no
C P Woloshuk et al.
FEMS microbiology letters, 160(2), 169-176 (1998-04-09)
Aflatoxins are secondary metabolites produced by Aspergillus flavus and Aspergillus parasiticus. Most of the genes involved in the biosynthesis of aflatoxin are contained within a single cluster in the genome of these filamentous fungi. Studies directed toward understanding the molecular
Haiwei Cheng et al.
PloS one, 10(7), e0131482-e0131482 (2015-07-02)
Single chain variable fragments (scFvs) against citrinin (CIT) were selected from a scFv library constructed from the splenocytes of non-immunized mice by an improved eukaryotic ribosome display technology in this study. Bovine serum albumin (BSA)/ CIT-BSA and ovalbumin (OVA)/ CIT-OVA
Ilenia Siciliano et al.
Toxins, 7(3), 743-754 (2015-03-10)
Fungi belonging to the genus Alternaria are common pathogens of fruit and vegetables with some species able to produce secondary metabolites dangerous to human health. Twenty-eight Alternaria isolates from rocket and cabbage were investigated for their mycotoxin production. Five different
Si Chen et al.
Analytical and bioanalytical chemistry, 405(5), 1623-1630 (2013-01-15)
This article describes the use of microwave-assisted extraction (MAE) as a pretreatment technique for the determination of aflatoxins B(1), G(1), B(2), and G(2) in grains and grain products. The optimal operation parameters, including extraction solvent, temperature, and time, were identified
S Piekkola et al.
Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment, 29(6), 962-971 (2012-03-02)
Mycotoxins such as the aflatoxins and deoxynivalenol (DON) are frequent contaminants of food. Aflatoxin B1 (AFB1) and DON affect the immune system and restrict growth; additionally AFB1 is carcinogenic. To date there are limited descriptive biomarker data concerning maternal exposures
Xin Li et al.
Biosensors & bioelectronics, 49, 426-432 (2013-06-29)
Mycotoxins are highly toxic contaminants and have induced health threat to human and animals. Aflatoxin B1 (AFB1), ochratoxin A (OTA) and zearalenone (ZEA) commonly occur in food and feed. A multi-component immunochromatographic assay (ICA) was developed for rapid and simultaneous
Veena Beri et al.
Biochemistry, 52(42), 7486-7499 (2013-09-18)
Cholinergic synaptic transmission often requires extremely rapid hydrolysis of acetylcholine by acetylcholinesterase (AChE). AChE is inactivated by organophosphates (OPs) in chemical warfare nerve agents. The resulting accumulation of acetylcholine disrupts cholinergic synaptic transmission and can lead to death. A potential
X Chen et al.
Poultry science, 93(8), 2028-2036 (2014-06-07)
A 14-d study was conducted to evaluate the effects of cultured aflatoxin B1 (AFB1) on performance, serum biochemistry, serum natural antibody and complement activity, and hepatic gene expression parameters in Pekin ducklings. A total of 144 male Pekin ducklings were
Lizhi Wang et al.
Food chemistry, 138(2-3), 1048-1054 (2013-02-16)
An effective method was developed for screening licorice roots and fritillary bulbs for contamination by aflatoxin B(1) and ochratoxin A using high-performance liquid chromatography connected to tandem mass spectrometry (HPLC-MS/MS). The samples were pre-concentrated and purified using solid-phase extraction, which
Lv-Hui Sun et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 74, 289-293 (2014-12-03)
This study was performed to assess the individual and combined toxic effects of aflatoxin B1 (AFB1), zearalenone (ZEA) and deoxynivalenol (DON) within the liver of mice. A total of 56 4-week-old weanling female mice were divided into seven groups (n = 8).
Takayuki Aoki et al.
Mycologia, 107(2), 409-418 (2015-01-01)
The B trichothecene toxin-producing clade (B clade) of Fusarium includes the etiological agents of Fusarium head blight, crown rot of wheat and barley and stem and ear rot of maize. B clade isolates also have been recovered from several wild
Emmanuel Njumbe Ediage et al.
Food chemistry, 177, 397-404 (2015-02-11)
An LC-MS/MS method was developed and validated for the detection and quantification of 23 mycotoxins in different varieties of sorghum. The method performance characteristics were as follows: suitable linearity ranges for all 23 mycotoxins with p-value >0.05; limits of detection
Activation of toxic chemicals by cytochrome P450 enzymes: regio- and stereoselective oxidation of aflatoxin B1.
F P Guengerich et al.
Advances in experimental medicine and biology, 387, 7-15 (1996-01-01)
F P Guengerich et al.
Mutation research, 402(1-2), 121-128 (1998-07-24)
Aflatoxin B1 (AFB1) is a potent hepatocarcinogen in experimental animals and a hazard to human health in several parts of the world. Implementation of rational intervention plans requires understanding of aspects of the roles of individual chemical steps involved in
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
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
Aziza M Hassan et al.
Cytotechnology, 67(5), 861-871 (2014-04-22)
Aflatoxins and fumonisins are important food-borne mycotoxins implicated in human health and have cytotoxic effects. The aims of the current study were to evaluate the protective role of Panax ginseng extract (PGE) against the synergistic effect of subchronic administration of
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
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
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
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
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
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
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