Markers of long-term exposure to organophosphorus pesticides in farmers who work in viniculture and tobacco production in Turkey.

abstract：:Impurities in drug substances and drug products generally do not have beneficial effects and may impose a risk without associated benefit. Levofloxacin n-oxide is an impurity isolated from levofloxacin. However there is insufficient toxic information about levofloxacin n-oxide. This study investigates the genotoxicity...

journal_title：Toxicology mechanisms and methods

authors： Zhu Q,Li T,Li J,Guo M,Wang W,Zhang X

更新日期：2012-04-01 00:00:00

abstract：:Miniscrew implants are widely used nowadays in orthodontic treatments due to their good results in clinical practice. However, data regarding the biocompatibility of commercially available orthodontic miniscrews and temporary devices are very scarce, and their role as genotoxicity inducers has been not previously eval...

journal_title：Toxicology mechanisms and methods

authors： Martín-Cameán A,Puerto M,Jos Á,Azqueta A,Iglesias-Linares A,Solano E,Cameán AM

更新日期：2015-01-01 00:00:00

abstract：:The present study was designed for determining the exact mechanism of cytotoxic action of aluminum phosphide (AlP) in the presence of iron sucrose as the proposed antidote. Rats received AlP (12 mg/kg) and iron sucrose (5-30 mg/kg) in various sets and were connected to cardiovascular monitoring device. After identific...

journal_title：Toxicology mechanisms and methods

authors： Solgi R,Baghaei A,Golaghaei A,Hasani S,Baeeri M,Navaei M,Ostad SN,Hosseini R,Abdollahi M

更新日期：2015-01-01 00:00:00

abstract：:Ethanol metabolism is accompanied by generation of free radicals that damage cell components, especially lipids. The present study was designed to investigate the efficacy of the preventive effect of black tea on the lipid oxidative modifications in different tissues (plasma, liver, brain, kidney, stomach, lung, intes...

journal_title：Toxicology mechanisms and methods

authors： Luczaj W,Welerowicz T,Skrzydlewska E,Buszewski B

更新日期：2008-07-01 00:00:00

abstract：:In cosmetics and food products, parabens are widely used as antimicrobial agents. Reports have suggested that parabens may be linked to infertility, owing to their effects on basal steroidogenesis properties or their capacity to inflict mitochondrial damage. Despite growing concerns about parabens as endocrine disrupt...

journal_title：Toxicology mechanisms and methods

authors： Herrera-Cogco E,López-Bayghen B,Hernández-Melchor D,López-Luna A,Palafox-Gómez C,Ramírez-Martínez L,López-Bello E,Albores A,López-Bayghen E

更新日期：2020-06-01 00:00:00

abstract：OBJECTIVE:The objective of this study was to describe the toxicity induced by curcumin in human astrocytoma cell lines. METHODS:The effects induced by curcumin, at 100 µM for 24 h, were evaluated in four astrocytoma cell lines using crystal violet assay and through the evaluation of morphological and ultrastructural c...

journal_title：Toxicology mechanisms and methods

authors： Romero-Hernández MA,Eguía-Aguilar P,Perézpeña-DiazConti M,Rodríguez-Leviz A,Sadowinski-Pine S,Velasco-Rodríguez LA,Cáceres-Cortés JR,Arenas-Huertero F

更新日期：2013-11-01 00:00:00

abstract：:Color and geometric characteristics of stained areas in histochemical slides are among the features pathologists assess to evaluate the severity of lesions. In this research, image processing techniques were used to perform objective quantification of these characteristics in images of H&E-stained spleen tissues. A se...

journal_title：Toxicology mechanisms and methods

authors： Liu X,Tan J,Hatem I,Smith BL

更新日期：2004-01-01 00:00:00

abstract：BACKGROUND:Arsenic has been shown to cause various diseases (such as blackfoot disease, cardiovascular diseases, bladder cancer and skin cancer) in many areas of the world. However, the effects of arsenic on cardiac rhythm functions still lack investigation. METHODS:In this study, different concentrations of arsenic w...

journal_title：Toxicology mechanisms and methods

authors： Phan NN,Li KL,Lin YC

更新日期：2018-07-01 00:00:00

abstract：:Oxidative stress in biological systems can result in radical-induced lipid peroxidation (LPO), which can lead to the production of secondary reactive by-products such as 4-hydroxy-2-nonenal (HNE), malondialdehyde (MDA), acrolein, and acetaldehyde. These deleterious compounds are known to react with and concomitantly m...

journal_title：Toxicology mechanisms and methods

authors： Rainey RP,Gillman IG,Shi X,Cheng T,Stinson A,Gietl D,Albino AP

更新日期：2009-09-01 00:00:00

abstract：:The implications of delta-aminolevulinic acid dehydratase (ALAD) polymorphism for lead kinetics and toxicity have been mainly studied in occupationally exposed adults. Therefore, our purpose was to evaluate the distribution of ALAD genotype and its association with biomarkers of exposure (PbB levels) and effect (Blood...

journal_title：Toxicology mechanisms and methods

authors： Mijares IA,López P,Rosado JL,Cebrián A,Vera-Aguilar E,Alatorre J,Quintanilla-Vega MB,García AE,Stoltzfus RJ,Cebrián ME,García-Vargas GG

更新日期：2006-01-01 00:00:00

abstract：:Plethysmograph measurement of respiratory phenotypes provides a highly sensitive means to study nicotine response in experimental model animals. We measured average respiratory frequency, tidal volume, minute volume and inspiratory time in C3H/HeJ and C57BL/6J mice subcutaneously administered 0.35 and 0.70 mg/kg nicot...

journal_title：Toxicology mechanisms and methods

authors： Bloom AJ

更新日期：2019-09-01 00:00:00

abstract：:The epidemiological association between black cherry trees and mare reproductive loss syndrome has focused attention on cyanide and environmental cyanogens. This article describes the toxicokinetics of cyanide in horses and the relationships between blood cyanide concentrations and potentially adverse responses to cya...

journal_title：Toxicology mechanisms and methods

authors： Dirikolu L,Hughes C,Harkins D,Boyles J,Bosken J,Lehner F,Troppmann A,McDowell K,Tobin T,Sebastian MM,Harrison L,Crutchfield J,Baskin SI,Fitzgerald TD

更新日期：2003-01-01 00:00:00

abstract：:Hydroquinone (HQ), one of the most important metabolites derived from benzene, is known to be associated with acute myelogenous leukemia risk; however, its carcinogenic mechanism remains unclear. In a previous study, we found that low-level of benzene exposure down-regulated the expression of poly(ADP-ribose)polymeras...

journal_title：Toxicology mechanisms and methods

authors： Sha Y,Zhou W,Yang Z,Zhu X,Yang X,Li TD,Zhu D

更新日期：2015-01-01 00:00:00

abstract：:Crotonaldehyde is a ubiquitous hazardous pollutant, present in cigarette smoke and automobile exhaust and is endogenously generated by lipid peroxidation. Most of the current studies focus on its lung toxicity. However, there have been few investigations on the cardiac and renal toxicity caused by crotonaldehyde expos...

journal_title：Toxicology mechanisms and methods

authors： Zhang B,Li S,Men J,Peng C,Shao H,Zhang Z

更新日期：2019-05-01 00:00:00

abstract：:The influence of experimental conditions on gradient high-performance liquid chromatography/diode array detector separation and identification of 13 psychotropic drugs belonging to two groups--phenothiazines and tricyclic antidepressants--was examined. The main interaction effects of three experimental factors were de...

journal_title：Toxicology mechanisms and methods

authors： Madej K,Parczewski A,Kała M

更新日期：2003-01-01 00:00:00

abstract：:Cadmium is one of the most toxic elements to which man can be exposed at work or in the environment. By far, the most salient toxicological property of Cd is its exceptionally long half-life in the human body. Once absorbed, Cd accumulates in the human body, particularly in the liver and other vital organs. The cellul...

journal_title：Toxicology mechanisms and methods

authors： Escobar Mdel C,Souza V,Bucio L,Hernández E,Gómez-Quiroz LE,Gutiérrez Ruiz MC

更新日期：2009-10-01 00:00:00

abstract：:Due to their exceptional properties, gold nanoparticles (AuNPs) have shown promising medical and technological applications in the treatment of cancer and the development of antimicrobial packaging and time-temperature indicators in the food sector. However, little is known about their cytotoxicity when they come into...

journal_title：Toxicology mechanisms and methods

authors： Mateo D,Morales P,Ávalos A,Haza AI

更新日期：2014-03-01 00:00:00

abstract：:Crotonaldehyde is a hazardous pollutant present in cigarette smoke and automobile exhausts that is generated by lipid peroxidation, and harmful to reproductive organs. Although we are often exposed to low doses of crotonaldehyde daily, its adverse effects on the reproductive organs have not been fully elucidated. To e...

journal_title：Toxicology mechanisms and methods

authors： Zhang B,Wei P,Men J,Zhang S,Shao H,Zhang Z

更新日期：2020-01-01 00:00:00

abstract：:ABSTRACT Oxidative damage to cellular constituents is one of the major mechanisms of alcoholic liver injury, and administration of antioxidants ameliorates alcoholic liver disease. The present study investigated the influence of (-) epigallocatechin gallate (EGCG), a major polyphenol component of green tea, on oxidant...

journal_title：Toxicology mechanisms and methods

authors： Kaviarasan S,Sundarapandiyan R,Anuradha CV

更新日期：2008-01-01 00:00:00

abstract：:The study aims at evaluating the combination of the quinocetone and the ML-7 in preclinical hepatocellular carcinoma models. To this end, the effect of quinocetone and ML-7 on apoptosis induction and signaling pathways was analyzed on HepG2 cell lines. Here, we report that ML-7, in a nontoxic concentration, sensitized...

journal_title：Toxicology mechanisms and methods

authors： Zhou Y,Zhang S,Deng S,Dai C,Tang S,Yang X,Li D,Zhao K,Xiao X

更新日期：2016-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:The aim of this study was to evaluate genotoxicity and mutagenicity in peripheral blood and buccal mucosal cells in mucopolysaccharidosis (MPS) I, II or VI patients. METHODS:A total of 12 patients with MPS type I, II and VI attended at the Institute of Genetics and Inborn Errors of Metabolism...

journal_title：Toxicology mechanisms and methods

authors： Guilheiro JM,Chaves MD,Martins AM,Ribeiro DA,D'Almeida V

更新日期：2014-12-01 00:00:00

abstract：:The brain is a well-organized, yet highly complex, organ in the mammalian system. Most investigators use the whole brain, instead of a selected brain region(s), for biochemical analytes as toxicological endpoints. As a result, the obtained data is often of limited value, since their significance is compromised due to ...

journal_title：Toxicology mechanisms and methods

authors： Gupta RC

更新日期：2004-01-01 00:00:00

abstract：:Human exposure to copper oxide (CuO) nanoparticles (NPs) is rapidly increasing and for this reason reliable toxicity test systems are urgently needed. Recently, the acute cytotoxicity of CuO NPs using the new toxicity test based on human bone marrow mesenchymal stem cells (hBMMSCs) has been evaluated. It was shown tha...

journal_title：Toxicology mechanisms and methods

authors： Murgia A,Mancuso L,Manis C,Caboni P,Cao G

更新日期：2016-10-01 00:00:00

abstract：:During the last years, much attention was focused on the measurement of 8-oxo-7,8-dihydro-2'-deoxyguanosine (8-oxo-dG) as a marker of oxidative DNA damage. Among various analytical techniques, the (32)P-postlabeling assay has been applied in determination of 8-oxo-dG. However, artefactual DNA oxidation could take plac...

journal_title：Toxicology mechanisms and methods

authors： Maatouk I,Bouaïcha N,Plessis MJ,Périn F

更新日期：2006-01-01 00:00:00

abstract：:Mitochondrial haplogroups can differ in frequency of occurrence in those who are 100 years old and in the rest of the population. These differences are not universally observed; moreover, they are population-specific. We analyzed the haplogroups in 97 Polish 100-year-olds and compared them with those of more than 145 ...

journal_title：Toxicology mechanisms and methods

authors： Lorenc A,Tonska K,Kabzinska D,Bartnik E

更新日期：2004-01-01 00:00:00

abstract：:We investigated the effect of two extracts from Peruvian plants given alone or in a mixture on sperm count and glycemia in streptozotocin-diabetic mice. Normal or diabetic mice were divided in groups receiving vehicle, black maca (Lepidium meyenii), yacon (Smallanthus sonchifolius) or three mixtures of extracts black ...

journal_title：Toxicology mechanisms and methods

authors： Gonzales GF,Gonzales-Castañeda C,Gasco M

更新日期：2013-09-01 00:00:00

abstract：:During an avian mass mortality event investigation at the National Fish and Wildlife Forensic Laboratory in Ashland, OR, imidacloprid became an insecticide of concern. A qualitative analytical toxicology screen of seeds, plucks (tongue, esophagus, and trachea), and ventricular contents was requested. A method for the ...

journal_title：Toxicology mechanisms and methods

authors： Buchweitz JP,Viner TC,Lehner AF

更新日期：2019-09-01 00:00:00

abstract：:ABSTRACT This paper presents the results from an evaluation of the noncommercial, (quantitative) structure-activity relationship ([Q]SAR) models for the prediction of mutagenicity and carcinogenicity, carried out in a collaboration between the European Chemicals Bureau Group on Computational Toxicology and the Italian...

journal_title：Toxicology mechanisms and methods

authors： Benigni R,Bossa C

更新日期：2008-01-01 00:00:00

abstract：:The aim of this study was to investigate the effects of vitamin C on cisplatin (DDP)-induced anemia and explore its possible mechanisms in rats. Adult male Sprague-Dawley rats were randomly divided into six groups: control, vitamin C 50, vitamin C 100, DDP, DDP plus vitamin C 50 and DDP plus vitamin C 100-treated grou...

journal_title：Toxicology mechanisms and methods

authors： Gao LP,Li Z,Guo ZY,Zhao YM

更新日期：2013-07-01 00:00:00

abstract：:This study was to evaluate the protective effects of Danshensu on liver injury induced by omethoate in Sprague Dawley rats. The acute omethoate poisoning model was established by administrating subcutaneously with omethoate at a single dose of 60 mg/kg. Danshensu treatment markedly inhibited the increases of aspartate...

journal_title：Toxicology mechanisms and methods

authors： Ren R,Wang T,Jiang N,Liu T,Du Y,Li C,Zhang L,Fu F

更新日期：2010-10-01 00:00:00