Current Status of Short-Term Tests for Evaluation of Genotoxicity, Mutagenicity, and Carcinogenicity of Environmental Chemicals and NCEs.

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：: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：: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：: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：: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：: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：: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：: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：:Chronic hyperglycemia leads to the development of microvascular complications like diabetic nephropathy. The present study investigated the potential effects of the hydroalcoholic extract of Tribulus terrestris, a plant of Zygophyllaceae family, on the renal complications in streptozotocin (STZ)-induced diabetic rats....

journal_title：Toxicology mechanisms and methods

authors： Gandhi S,Srinivasan BP,Akarte AS

更新日期：2013-09-01 00:00:00

abstract：:In pregnancy, opioids may be used medically and also misused. We hypothesized that the umbilical cord (UC) could be a good screening tool for determining opioid exposure and improving medical care. One hundred and one UC, each with 50 associated ICD9/ICD10 codes were used. Using predictive pharmacokinetic analysis we ...

journal_title：Toxicology mechanisms and methods

authors： Knight SJ,Smith AD,Wright TE,Collier AC

更新日期：2019-01-01 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：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：: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：: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 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：AIM:Nicotine exerts a number of physiological effects. The purpose of this study was to determine the effects of nicotine on thioacetamide (TAA)-induced liver fibrosis in mice. MATERIALS AND METHODS:For in vivo experiments, hepatic fibrosis was induced by TAA (0.25 g/kg, i.p.) three times a week for 6 weeks. Mice of T...

journal_title：Toxicology mechanisms and methods

authors： Zhou Z,Park S,Kim JW,Zhao J,Lee MY,Choi KC,Lim CW,Kim B

更新日期：2017-09-01 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：: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：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 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 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：:Toxicogenomics has evolved into a useful technique for providing greater mechanistic insights into adverse effects that will spur the development of novel approaches for identifying and understanding toxicity issues. The ability to capture a snapshot of the transcriptome at any given time during the development of an ...

journal_title：Toxicology mechanisms and methods

authors： Orr MS

更新日期：2006-01-01 00:00:00

abstract：CONTEXT:The critical role of CaMKIIδ isoforms in cardiac hypertrophy is well documented. OBJECTIVE:This study was aimed to investigate the possible inhibitory effects of aliskiren (ALS) and/or carvedilol (CAV) on CaMKIIδ isoforms expression in experimental cardiac hypertrophy. MATERIALS AND METHODS:Male Wistar albino...

journal_title：Toxicology mechanisms and methods

authors： Bin-Dayel AF,Abdel Baky NA,Fadda LM,Mohammad RA,Al-Mohanna F

更新日期：2016-02-01 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

abstract：:Zinc (Zn) is one of the essential trace elements and has numerous physiological functions. Zn acts as an antioxidant and also as a part of other antioxidant related proteins, such as metallothionein (MT) and Zn-copper superoxide dismutase. Zn deficiency often occurs in patients with diabetes. Therefore, the effect of ...

journal_title：Toxicology mechanisms and methods

authors： Li B,Tan Y,Sun W,Fu Y,Miao L,Cai L

更新日期：2013-01-01 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：:Benzene (C6H6) is one of the most commonly used industrial chemicals causing environmental pollution. This study aimed to examine the effect of benzene and its metabolite hydroquinone on glucose regulating organs, liver and pancreas, and to reveal the involved toxic mechanisms, in rats. In the in vivo part, benzene wa...

journal_title：Toxicology mechanisms and methods

authors： Bahadar H,Maqbool F,Mostafalou S,Baeeri M,Gholami M,Ghafour-Boroujerdi E,Abdollahi M

更新日期：2015-01-01 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：: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：: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