Enzymes as biomarkers of cypermethrin toxicity: response of Clarias batrachus tissues ATPase and glycogen phosphorylase as a function of exposure and recovery at sublethal level.

abstract：:Nematode Caenorhabditis elegans (C. elegans) was used to investigate the impact of silver nanoparticles (SNP), multiwalled carbon nanotubes (MWCNT), and polyamidoamine dendrimers (PAMAM) used in concentration of 1010 particle/mL. Population-based observations and gene expression analysis were employed in this study. S...

journal_title：Toxicology mechanisms and methods

authors： Walczynska M,Jakubowski W,Wasiak T,Kadziola K,Bartoszek N,Kotarba S,Siatkowska M,Komorowski P,Walkowiak B

更新日期：2018-07-01 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：: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：: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：:The present study investigated the protective effect of hesperidin on carbohydrate metabolizing enzymes in streptozotocin-induced diabetic rats. Hesperidin was administered to streptozotocin-induced (40 mg/kg b.w.) diabetic rats at different dosages of (25, 50, 100 mg/kg b.w.) respectively for 30 days to evaluate its ...

journal_title：Toxicology mechanisms and methods

authors： Sundaram R,Nandhakumar E,Haseena Banu H

更新日期：2019-11-01 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 β-glucans (β-G) are polysaccharides produced by various organisms, and sulfation of β-G renders them more soluble. With the objective to assess the effects of sulfated and non-sulfated β-G extracted from Agaricus brasiliensis in MCF-7 cells, assays were used to evaluate cytotoxicity, genotoxicity, cell proliferati...

journal_title：Toxicology mechanisms and methods

authors： Baranoski A,Tempesta Oliveira M,Semprebon SC,Niwa AM,Ribeiro LR,Mantovani MS

更新日期：2015-01-01 00:00:00

abstract：:Dioxins and dioxin-like compounds (DLCs) are the ones with poor water solubility and low volatility, resistant to physical, chemical and biological processes, persistent in the environment even under extreme conditions. Due to lipophilic nature, they get adhered to the fatty material and concentrate through biomagnifi...

journal_title：Toxicology mechanisms and methods

authors： Khan MF,Alam MM,Verma G,Akhtar W,Rizvi MA,Ali A,Akhter M,Shaquiquzzaman M

更新日期：2017-02-01 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：: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 need for reliable results in Toxicological Analysis is recognized and required worldwide. The analytical validation ensures that a method will provide trustworthy information about a particular sample when applied in accordance with a predefined protocol, being able to determine a specific analyte at a distinct co...

journal_title：Toxicology mechanisms and methods

authors： Abrão LCC,Silveira AT,de Faria HD,Machado SC,Mendes TV,Plácido RV,Marciano LPA,Martins I

更新日期：2021-01-01 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：: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：:Nicotine, an active substance present in tobacco has been identified as a major risk factor for lung related diseases. In the present study, we have evaluated the protective effect of curcumin on circulatory lipid peroxidation and antioxidants in nicotine administered Wistar rats. Lung toxicity was induced by subcutan...

journal_title：Toxicology mechanisms and methods

authors： Kalpana C,Menon VP

更新日期：2004-01-01 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：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：:ABSTRACT Triptolide is a diterpene triepoxide isolated from the traditional Chinese medicinal vine Trypterygium wilfordii hook f. (T. wilfordii). It possesses multiple biological activities, such as antitumor, immunosuppression, and antifertility. Previous studies suggested that triptolide might be a potential candida...

journal_title：Toxicology mechanisms and methods

authors： Ni B,Zhu T,Jiang Z,Zhang R,Zhang T,Zhang L

更新日期：2008-01-01 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：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 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：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：:ABSTRACT Dermal exposure to JP-8 petroleum jet fuel leads to toxicological responses in humans and rodents. Serum profiling is a molecular analysis of changes in the levels of serum proteins and other molecules in response to changes in physiology. This present study utilizes serum profiling approaches to examine biom...

journal_title：Toxicology mechanisms and methods

authors： Larabee JL,Hocker JR,Cheung JY,Gallucci RM,Hanas JS

更新日期：2008-01-01 00:00:00

abstract：:Ethanol metabolism induces generation of excessive amount of reactive oxygen species (ROS) which results in immune dysfunction. We examined the efficacy of silymarin on ethanol-induced oxidative stress, immunomodulatory activity, and vascular function in mice blood. Effectiveness of silymarin was compared with potent ...

journal_title：Toxicology mechanisms and methods

authors： Das SK,Mukherjee S

更新日期：2012-06-01 00:00:00

abstract：:ABSTRACT Ochratoxin A (OTA) and citrinin (CTN) are two mycotoxins, quite common contaminants, that can occur jointly in a wide range of food commodities. Both mycotoxins have several toxic effects but both share a significant nephrotoxic potential since OTA and CTN were reported to be responsible for naturally occurri...

journal_title：Toxicology mechanisms and methods

authors： Bouslimi A,Ouannes Z,Golli EE,Bouaziz C,Hassen W,Bacha H

更新日期：2008-01-01 00:00:00

abstract：BACKGROUND:Oxytocin (OT) injections have been indiscriminately used to milk cattle in dairy industries. There is no study available regarding surveillance of OT in market milk samples. MATERIAL AND METHODS:OT from milk samples was extracted by precipitation with trichloroacetic acid and passed through the solid phase ...

journal_title：Toxicology mechanisms and methods

authors： Mishra M,Ali S,Das M

更新日期：2014-06-01 00:00:00

abstract：:The aim of this work was to characterize inner mitochondrial membrane channels permeable to calcium cations (Ca(++)). Mitochondrial membranes isolated from rat heart were incorporated into the bilayer lipid membrane, and single Ca(++) channel currents were measured. The observed channels were selective for Ca(++) and ...

journal_title：Toxicology mechanisms and methods

authors： Komínková V,Novotová M,Ondrias K,Ravingerová T,Szewczyk A

更新日期：2004-01-01 00:00:00

abstract：:ABSTRACT The present investigation was undertaken to examine the effects of chlorpyrifos (CP, an organophosphate) and deltamethrin (DM, a pyrethroid pesticide) treatments at low and high doses and their combination on lipid peroxidation and antioxidant enzyme activities such as SOD, GSH-Px, and CAT and also AChE activ...

journal_title：Toxicology mechanisms and methods

authors： Tüzmen MN,Candan N,Kaya E

更新日期：2007-01-01 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：: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：:Chlorine gas is one of the highly produced chemicals in the USA and around the world. Chlorine gas has several uses in water purification, sanitation, and industrial applications; however, it is a toxic inhalation hazard agent. Inhalation of chlorine gas, based on the concentration and duration of the exposure, causes...

journal_title：Toxicology mechanisms and methods

authors： Achanta S,Jordt SE

更新日期：2019-10-01 00:00:00