Activation of protein kinase C and protein kinase D in human natural killer cells: effects of tributyltin, dibutyltin, and tetrabromobisphenol A.

abstract：:Oral cocaine administration results in hepatic necrosis, increased plasma transaminase concentration, and decreased antioxidative capability, which is potentiated by lipopolysaccharide (LPS) in male CF-1 mice. Females administered the same treatment regimen display none of the hepatotoxic effects seen in their male co...

journal_title：Toxicology mechanisms and methods

authors： Visalli T,Turkall R,Abdel-Rahman MS

更新日期：2005-01-01 00:00:00

abstract：:In the present investigation acetylcholinesterase (AChE) was estimated in erythrocytes from blood samples exposed to four commonly used organophosphorus pesticides in vitro. The aim of the study was to determine the IC50 concentration of the pesticides monocrotophos, chlorpyrifos, profenofos, and acephate as inhibitor...

journal_title：Toxicology mechanisms and methods

authors： Das GP,Jamil K,Rahman MF

更新日期：2006-01-01 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：: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：:The advent of the industrial revolution has seen a significant increase in the number of new chemical entities (NCEs) released in the environment. It becomes imperative to check the toxic potential of NCEs to nontarget species before they are released for commercial purposes because some of these may exert genotoxicit...

journal_title：Toxicology mechanisms and methods

authors： Bajpayee M,Pandey AK,Parmar D,Dhawan A

更新日期：2005-01-01 00:00:00

abstract：:The CD1-haired mouse and the SKH-hairless mouse are two animal models that have been used to evaluate sulfur mustard (HD) exposure and protection in our laboratory. In a recent study we observed that a substance P inhibitor protected the haired mouse ear against an HD solution, but the same drug was not successful in ...

journal_title：Toxicology mechanisms and methods

authors： Logan TP,Shutz M,Schulz SM,Railer R,Ricketts KM,Casillas RP

更新日期：2002-01-01 00:00:00

abstract：:ABSTRACT The ideal toxicity biomarker is composed of the properties of prediction (is detected prior to traditional pathological signs of injury), accuracy (high sensitivity and specificity), and mechanistic relationships to the endpoint measured (biological relevance). Gene expression-based toxicity biomarkers ("sign...

journal_title：Toxicology mechanisms and methods

authors： Shi W,Bugrim A,Nikolsky Y,Nikolskya T,Brennan RJ

更新日期：2008-01-01 00:00:00

abstract：:ABSTRACT Body packers are people who illegally carry drugs, mostly cocaine as well as opium and/or heroin, concealed within their bodies. The packets are inserted in the mouth, rectum, or vagina in order to get across borders without being detected. In this presentation we report a case of an opium body packer and rev...

journal_title：Toxicology mechanisms and methods

authors： Shadnia S,Faiaz-Noori MR,Pajoumand A,Talaie H,Khoshkar A,Vosough-Ghanbari S,Abdollahi M

更新日期：2007-01-01 00:00:00

abstract：:This report explores the direct counting of "hair-like" struc-tures specific for Gram-positive bacteria. Indications show that these structures are intact after removal from the cell and are sufficiently different from species to species of bacteria to give an indication of bacteria type if not actual identification. ...

journal_title：Toxicology mechanisms and methods

authors： Wick CH,Jabbour RE,McCubbin PE,Deshpande SV

更新日期：2006-01-01 00:00:00

abstract：:Carbon tetrachloride (CCl4) is a highly toxic industrial solvent with pronounced systemic toxicity including brain. Neurotoxicity may be a direct result of hepatic dysfunction from CCl4 intoxication. Over the years CCl4 has been used as an excellent model for studying experimentally induced neurotoxicity in murine mod...

journal_title：Toxicology mechanisms and methods

authors： Naseem M,Parvez S

更新日期：2014-10-01 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：:Multi-walled carbon nanotubes (MWCNTs) have industrial applications in the nanotechnology field. The physico-chemical properties of MWCNTs vary greatly depending on MWCNT manufacture and application. It has been pointed out that their needle shape and high durability are important factors that determine the biopersist...

journal_title：Toxicology mechanisms and methods

authors： Fujita K,Obara S,Maru J,Endoh S

更新日期：2020-09-01 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 current study evaluated in vitro and in vivo toxicity of carboxyl or amine polyethylene glycol (PEG) surface functionalization of single-walled carbon nanotubes (SWCNTs). Assessments of cytotoxicity, genotoxicity, immunotoxicity, and oxidative stress were performed in vitro and in vivo (in a 1-month follow-up stud...

journal_title：Toxicology mechanisms and methods

authors： Shaik AS,Shaik AP,Bammidi VK,Al Faraj A

更新日期：2019-05-01 00:00:00

abstract：:Prochloraz is a broad-spectrum contact imidazol fungicide used against several diseases in wheat, barley and oleaginous plants but also for treatment of flower production. Although prochloraz has endocrine disrupting and hepatocarcinogenic effects, there is lack of data on toxic effects of prochloraz. Therefore, we ai...

journal_title：Toxicology mechanisms and methods

authors： Alpertunga B,Kara M,Abudayyak M,Oztas E,Ozden S,Ozhan G

更新日期：2014-05-01 00:00:00

abstract：BACKGROUND:The potential toxicity resulting from the possible interactions of the herbicides, Ultrazin (atrazine, ATZ) and Bretmont Wipeout (glyphosate, GLY) (as commercialized in Nigeria), is not completely known. We therefore evaluated reproductive- and hepato-toxicity in rats co-exposed to ATZ and GLY. METHODS:Six ...

journal_title：Toxicology mechanisms and methods

authors： Abarikwu SO,Akiri OF,Durojaiye MA,Adenike A

更新日期：2015-01-01 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：: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：:This article described an improved brine shrimp larvae lethality microwell test method. A simply designed connecting vessel with alternative photoperiod was used to culture and collect high yield of active Artemia parthenogenetica nauplii for brine shrimp larvae lethality microwell test. Using this method, pure A. par...

journal_title：Toxicology mechanisms and methods

authors： Zhang Y,Mu J,Han J,Gu X

更新日期：2012-01-01 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：:Methylglyoxal (MG) is a reactive dicarbonyl metabolite originated mainly from glucose degradation pathway that plays an important role in the pathogenesis of diabetes mellitus (DM). Reactions of MG with biological macromolecules (proteins, DNA and lipids) can induce cytotoxicity and apoptosis. Here, human erythrocytes...

journal_title：Toxicology mechanisms and methods

authors： Prestes AS,Dos Santos MM,Ecker A,Zanini D,Schetinger MR,Rosemberg DB,da Rocha JB,Barbosa NV

更新日期：2017-05-01 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：:This study applied broccoli and cauliflower extracts (whole, floret, and stem) to zebrafish larvae in parallel to receive 100 mJ/cm(2) of UVB six times, and recorded their fin malformation phenotypes. Chemopreventive effects of each group, including UVB, whole-, floret-, and stem-extracts of broccoli and cauliflower o...

journal_title：Toxicology mechanisms and methods

authors： Chen YH,Wen CC,Lin CY,Chou CY,Yang ZS,Wang YH

更新日期：2011-01-01 00:00:00

abstract：:Oxidative stress has a causative role in ischemic reperfusion-induced cell death. Evidence has shown that metformin is capable to reduce ischemic reperfusion injuries. The current study investigated the effect of metformin on ischemia/reperfusion-induced apoptosis in PC12 cells by evaluation of Bcl-2 family proteins e...

journal_title：Toxicology mechanisms and methods

authors： Mohammad Alizadeh E,Mahdavi M,Jenani Fard F,Chamani S,Farajdokht F,Karimi P

更新日期：2018-10-01 00:00:00

abstract：:ABSTRACT When two toxicants overtly producing similar effects are given together, the effect of the combination may either be equal to the algebraic sum of their individual effects or may be more than or less than the algebraic sum of their individual effects. Therefore, to ascertain the nature of interaction precisel...

journal_title：Toxicology mechanisms and methods

authors： Bhat AS,Ahangar AA

更新日期：2007-01-01 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：:Allergic rhinitis (also known as hay fever) is the most commonly occurring immunological disorder, and it affects 40 million men, women, and children in the United States. Symptomatically, it is an inflammation and irritation of the mucous membranes that line the nose. Allergy is defined as a state of hypersensitivity...

journal_title：Toxicology mechanisms and methods

authors： Amit A,Saxena VS,Pratibha N,Bagchi M,Bagchi D,Stohs SJ

更新日期：2003-01-01 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：BACKGROUND:The anatomical and histological parameters of the human ventricle depend on many factors including age and sex. Myocyte volume and electric capacitance are significant physiological parameters of left ventricle cardiomyocyte mathematical models. They allow the assessment of inter-individual variability durin...

journal_title：Toxicology mechanisms and methods

authors： Polak S,Fijorek K,Glinka A,Wisniowska B,Mendyk A

更新日期：2012-01-01 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