Qualitative identification of imidacloprid in postmortem animal tissue by gas chromatography-tandem mass spectrometry.

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：: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：:The titanium nitride coated titanium is a material intended for the fabrication of left ventricular assist device. As per International standards, a material is subjected to pre-clinical evaluation before fabrication of a device. Toxicity/biocompatibility studies such as acute systemic toxicity, intracutaneous irritat...

journal_title：Toxicology mechanisms and methods

authors： Geetha CS,Sabareeswaran A,Mohanan PV

更新日期：2012-02-01 00:00:00

abstract：:The specific properties of silver nanoparticles (AgNPs), such as antimicrobial activity and electrical conductivity, allow them to be used in many fields. However, their expanding application is also raising health, environmental and safety concerns. Previous in vivo AgNP toxicity studies have indicated a gender-diffe...

journal_title：Toxicology mechanisms and methods

authors： Dong MS,Choi JY,Sung JH,Kim JS,Song KS,Ryu HR,Lee JH,Bang IS,An K,Park HM,Song NW,Yu IJ

更新日期：2013-07-01 00:00:00

abstract：:ABSTRACT Although copper is an essential metal and cadmium is an environmental pollutant, both are toxic when present in excess. Metallothionein and glutathione are two of the key components that participate in detoxification of copper and cadmium. In the present study the role of glutathione in resistance to copper a...

journal_title：Toxicology mechanisms and methods

authors： Bi WX,Kong F,Hu XY,Cui X

更新日期：2007-01-01 00:00:00

abstract：:The present study was conducted to evaluate the sublethal effects of a synthetic pyrethroid, cypermethrin on ATPase, and glycogen phosphorylase in gill, kidney, liver, and muscle tissue of freshwater fish, Clarias batrachus (Linn) during exposure and cessation of exposure. Thirty-six fish were exposed to 1/3 of LC 50 ...

journal_title：Toxicology mechanisms and methods

authors： Begum G

更新日期：2009-01-01 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：:Xysmalobium undulatum (Uzara) is one of the most widely used indigenous traditional herbal remedies in Southern Africa. Commercially available Uzara plant material was used to prepare a crude aqueous extract, of which the toxicity potential was investigated in the hepatic HepG2/C3A cell line in both traditional two-di...

journal_title：Toxicology mechanisms and methods

authors： Calitz C,Hamman JH,Viljoen AM,Fey SJ,Wrzesinski K,Gouws C

更新日期：2018-11-01 00:00:00

abstract：:Despite the increasing use of amorphous silica nanoparticles (SNPs) in biomedical applications, their toxicity after intravenous administration remains a major concern. We investigated the effects of single 7 mg/kg intravenous infusions of 13 nm SNPs on hemodynamic parameters in rats. Hematological and biochemical par...

journal_title：Toxicology mechanisms and methods

authors： Zhuravskii S,Yukina G,Kulikova O,Panevin A,Tomson V,Korolev D,Galagudza M

更新日期：2016-05-01 00:00:00

abstract：:Timolol is a medication used widely to treat glaucoma. Regarding Ca2+ signaling, timolol was shown to modulate Ca2+-related physiology in various cell types, however, the effect of timolol on Ca2+ homeostasis and cell viability has not been explored in human prostate cancer cells. The aim of this study was to explore ...

journal_title：Toxicology mechanisms and methods

authors： Wang JL,Chou CT,Liang WZ,Wu CJ,Kuo CC,Hao LJ,Shieh P,Jan CR

更新日期：2019-02-01 00:00:00

abstract：:Several deleterious effects of Tramadol including deaths were reported especially when used in large doses. Being metabolized mainly in the liver, Tramadol have serious hepatotoxic effects. This study investigates the effect of vitamin E on Tramadol-induced hepatotoxicity in rats by evaluating the antioxidant biochemi...

journal_title：Toxicology mechanisms and methods

authors： Ibrahim MA,Ibrahim HM,Mohamed AA,Tammam HG

更新日期：2020-03-01 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：:How triptolide is associated with mitochondrial dysfunction and apoptosis in connection with its hepatotoxicity remains unclear. The objective of our study was to find out the link between mitochondrial dynamics and cell death in triptolide induced hepatotoxicity. We treated L02 cells with 25 nM concentration of tript...

journal_title：Toxicology mechanisms and methods

authors： Hasnat M,Yuan Z,Ullah A,Naveed M,Raza F,Baig MMFA,Khan A,Xu D,Su Y,Sun L,Zhang L,Jiang Z

更新日期：2020-02-01 00:00:00

abstract：OBJECTIVE:The objective of the present study is to evaluate the antihyperlipidemic effect of Chlorella pyrenoidosa in diabetic rats exposed to cadmium (Cd). MATERIALS AND METHODS:Group 1 and 2 rats were treated as control and C. pyrenoidosa control. Group 3 and 4 rats were given single injection of streptozotocin (40 ...

journal_title：Toxicology mechanisms and methods

authors： Senthilkumar T,Sangeetha N,Ashokkumar N

更新日期：2012-10-01 00:00:00

abstract：:Tumor progression is the continual selection of variant subpopulations of malignant cells that have acquired increasing levels of genetic instability (Nowell Science 1976, 194, 23-28). This instability is manifested as chromosomal aneuploidy or translocations, viral integration or somatic mutations that typically affe...

journal_title：Toxicology mechanisms and methods

authors： Huppi K,Pitt J,Wahlberg B,Caplen NJ

更新日期：2011-05-01 00:00:00

abstract：:The present study was designed to investigate the effect of ginsenoside Rh1 on myocardial injury and heart function in isoproterenol-induced cardiotoxicity in rats. Sprague-Dawley rats were subcutaneously injected with isoproterenol (20 mg/kg). Cardiac marker enzymes in serum, antioxidative parameters and inflammatory...

journal_title：Toxicology mechanisms and methods

authors： Gai Y,Ma Z,Yu X,Qu S,Sui D

更新日期：2012-10-01 00:00:00

abstract：:ABSTRACT The effect of sodium selenite, alpha-tocopherol, and their combination was studied in the hemic system of goat. Incubation of goat blood with selenium and vitamin E for 24 h resulted in a decrease in hemoglobin concentrations in Se-and vitamin E-treated groups, whereas no change in the osmotic fragility was o...

journal_title：Toxicology mechanisms and methods

authors： Saini RK,Saini N,Kataria M,Babu S

更新日期：2007-01-01 00:00:00

abstract：:Renal disease is a common complication of diabetes mellitus. The pathogenesis of diabetic nephropathy is not well understood, but hyperglycemia seems to be a crucial factor. Recent evidence indicates that the overproduction of reactive oxygen species, observed in both clinical and experimental diabetes, and mitochondr...

journal_title：Toxicology mechanisms and methods

authors： Seiça R,Santos DL,Palmeira CM,Moreno AJ,Sena C,Cunha MF,Santos MS

更新日期：2005-01-01 00:00:00

abstract：:Methylthiophanate is one of the widely used fungicides to control important fungal diseases of crops. The aim of this study was to elucidate the short-term hematoxicity and genotoxicity effects of methylthiophanate administered by intraperitoneal way at three doses (300, 500 and 700 mg/kg of body weight) after 24, 48 ...

journal_title：Toxicology mechanisms and methods

authors： Ben Amara I,Ben Saad H,Cherif B,Elwej A,Lassoued S,Kallel C,Zeghal N

更新日期：2014-12-01 00:00:00

abstract：:ABSTRACT Male Wistar rats with streptozotocin-induced diabetes received a control diet and a pyridoxine-deficient diet. The animals were divided at random into four groups: control rats (CR), control diabetic rats (CDR), diabetic rats receiving a pyridoxine-free diet (DRB6), and diabetic rats receiving saline solution...

journal_title：Toxicology mechanisms and methods

authors： Jordao AA,Dos Santos FL,Marchini JS,Vannucchi H

更新日期：2007-01-01 00:00:00

abstract：:Up to now, the ability of target cells to activate protein kinase C (PKC) and protein kinase D (PKD) (which is often a downstream target of PKC) has not been examined in natural killer (NK) lymphocytes. Here we examined whether exposure of human NK cells to lysis sensitive tumor cells activated PKC and PKD. The result...

journal_title：Toxicology mechanisms and methods

authors： Rana K,Whalen M

更新日期：2015-01-01 00:00:00

abstract：:Owing to their structure and function, low-density lipoproteins (LDLs) are particularly susceptible to the oxidative modifications. To prevent against oxidative modification of LDL, L-carnitine, with endogenous small water-soluble quaternary amine possessing antioxidative properties, was used. The aim of this paper wa...

journal_title：Toxicology mechanisms and methods

authors： Augustyniak A,Stankiewicz A,Skrzydlewska E

更新日期：2008-07-01 00:00:00

abstract：:Monte Carlo based method by using either SMILES based or combination of SMILES and Graph-based descriptors is an important strategy to build the QSAR/QSTR model for prediction of different biological endpoints. In this study, Monte Carlo based QSTR approach was applied to the dataset of 90 nitroaromatic compounds rela...

journal_title：Toxicology mechanisms and methods

authors： Mondal D,Ghosh K,Baidya ATK,Gantait AM,Gayen S

更新日期：2020-05-01 00:00:00

abstract：:Fusarium mycotoxin toxicosis has been implicated in the etiology of Keshan disease, an endemic mitochondrial cardiomyopathy prevailing in certain areas of China. Butenolide (4-acetamido-4-hydroxy-2-butenoic acid gamma-lactone) is one of the Fusarium mycotoxins which are frequently detected from cereal grains in endemi...

journal_title：Toxicology mechanisms and methods

authors： Wang YM,Liu JB,Peng SQ

更新日期：2009-02-01 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：:Histone deacetylase 2 (HDAC2), a prominent member of the class I HDAC family, plays crucial roles in inflammation and other pathological processes. Recent studies have found that the activity and expression of HDAC2 were altered under oxidative stress conditions. The aim of the current study was to elucidate the expre...

journal_title：Toxicology mechanisms and methods

authors： Lu H,Wan J,Jiang R,Xie J,Peng X,Zhang L

更新日期：2012-10-01 00:00:00

abstract：:The metabolism of aromatic hydrocarbons by the organism forms products that cause cell death depending on the type of exposure. Benzene exposure has been linked to oxidative stress, hepatic damage, aplastic anemia, and hematopoietic cancer as lymphoid and myeloid leukemia. However, there are not fast methods to evalua...

journal_title：Toxicology mechanisms and methods

authors： Martínez-Rodríguez JL,Gutiérrez-Hernández R,Reyes-Estrada CA,Granados-López AJ,Arcos-Ortega T,López JA

更新日期：2018-07-01 00:00:00

abstract：:The effects of chlorpyrifos and fenvalerate on the activity of the cellulase, superoxide dismutase (SOD) and catalase (CAT) of the earthworm (Eisenia foetida) were studied. Earthworms were exposed to chlorpyrifos and fenvalerate at a final concentration of 10, 20, and 40 mg/kg dry soil, respectively. Tissues from each...

journal_title：Toxicology mechanisms and methods

authors： Wang JH,Zhu LS,Liu W,Wang J,Xie H

更新日期：2012-04-01 00:00:00

abstract：:Abstract The effects of 4-hydroxytamoxifen (OHTAM) on the mitochondrial permeability transition (MPT) induced by Ca(2+) plus peroxynitrite (ONOO(-)) or phenylarsine oxide (PhAsO) were studied to clarify its mechanisms of MPT inhibition. Ca(2+) plus ONOO(-) induced mitochondrial swelling, membrane potential (Delta Psi)...

journal_title：Toxicology mechanisms and methods

authors： Cardoso CM,Almeida LM,Custódio JB

更新日期：2005-01-01 00:00:00

abstract：:In this study, 162 samples were analysed for monomer styrene content with using high performance liquid chromatography (HPLC) method in hot tea, milk, cocoa milk. The monomer styrene content, expressed in microg/l of drink and the level of migration of styrene monomer were varied from 0.61 to 8.15 for hot tea, from 0....

journal_title：Toxicology mechanisms and methods

authors： Khaksar MR,Ghazi-Khansari M

更新日期：2009-03-01 00:00:00