Toxicology Letters
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#1Jiangang Cao (WHU: Wuhan University)
#2Yawen Chen (WHU: Wuhan University)H-Index: 1
Last. Hui Wang (WHU: Wuhan University)H-Index: 48
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Abstract null null We previously found that prenatal ethanol exposure (PEE) induced adrenal dysplasia in offspring, which was related to intrauterine maternal glucocorticoid overexposure. This study investigated the intergenerational genetic effect and sex differences of PEE-induced changes in the synthetic function of adrenal corticosterone in offspring, and to clarify the intrauterine origin programming mechanism. Wistar pregnant rats were gavaged with ethanol (4 g/kg bw/d) from gestation day ...
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#1Benjamin B. Tournier (Institut de radioprotection et de sûreté nucléaire)H-Index: 14
#2Chrystelle Ibanez (Institut de radioprotection et de sûreté nucléaire)H-Index: 5
Last. Philippe Lestaevel (Institut de radioprotection et de sûreté nucléaire)H-Index: 16
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Abstract null null A rostro-caudal gradient of uranium (U) in the brain has been suggested after its inhalation. To study the factors influencing this mapping, we first used 30-min acute inhalation at 56 mg/m3 of the relatively soluble form UO4 in the rat. These exposure parameters were then used as a reference in comparison with the other experimental conditions. Other groups received acute inhalation at different concentrations, repeated low dose inhalation of UO4 (10 exposures) or acute low d...
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#1Pratibha MistryH-Index: 12
#2Elizabeth F. McInnes (Syngenta)H-Index: 3
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Abstract null null The aim of this study was to examine whether short term, repeat dose, rat studies provide sufficient information about potential carcinogenicity to enable predictions about the carcinogenic potential of agrochemicals to be made earlier in compound development. This study aimed to identify any correlations between toxicity findings obtained for short term rat studies (28 day and 90 day) and neoplastic findings obtained from 24 month rat carcinogenicity studies for agrochemical ...
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#1Maísa Daniela Habenschus (FFCLRP: Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto)H-Index: 5
#2Daniel Blascke Carrão (FFCLRP: Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto)H-Index: 9
Last. Anderson Rodrigo Moraes de Oliveira (UNESP: Sao Paulo State University)H-Index: 18
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Abstract null null Tebuconazole (TEB) is a chiral triazole fungicide worldwide employed to control plant pathogens and preserve wood. People can be exposed to TEB either through diet and occupational contamination. This work investigates the in vitro inhibitory potential of rac-TEB, S-(+)-TEB, and R-(−)-TEB over the main cytochrome P450 enzymes (CYP450) using human liver microsomes to predict TEB in vivo inhibition potential. The IC50 values showed that in vitro inhibition was enantioselective f...
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#1Océane Reale (ANSES)H-Index: 2
#2Dorina Bodi (BfR: Federal Institute for Risk Assessment)H-Index: 5
Last. Valérie Fessard (ANSES)H-Index: 26
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Abstract null null Lipophilic phycotoxins are secondary metabolites produced by phytoplankton. They can accumulate in edible filtering-shellfish and cause human intoxications, particularly gastrointestinal symptoms. Up to now, the in vitro intestinal effects of these toxins have been mainly investigated on simple monolayers of intestinal cells such as the enterocyte-like Caco-2 cell line. Recently, the combination of Caco-2 cells with mucus secreting HT29-MTX cell line has been also used to mimi...
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#1Sebastian Medina (UNM: University of New Mexico)H-Index: 6
#2Alicia M. Bolt (UNM: University of New Mexico)H-Index: 2
Last. Scott W. Burchiel (UNM: University of New Mexico)H-Index: 45
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Abstract null null Strong epidemiological evidence demonstrates an association between chronic arsenic exposure and anemia. We recently found that As+3 impairs erythropoiesis by disrupting the function of GATA-1; however the downstream pathways impacted by the loss of GATA-1 function have not been evaluated. Additionally, our previous findings indicate that the predominant arsenical in the bone marrow of mice exposed to As+3 in their drinking water for 30 days was MMA+3, but the impacts of this ...
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Diethylenetriaminepentaacetate (DTPA) is the most widely used chelating agent for Pu and Am. Volunteers were assigned to receive intravenous injections or aerosol inhalations of 1 g of DTPA on days 1-4; volunteers received once daily injections of CaDTPA or ZnDTPA, CaDTPA inhalation as an aerosol, or CaDTPA injection on day 1 and ZnDTPA on days 2-4. CaDTPA injection or inhalation increased the excretion rates of Zn in urine with concomitantly reduced levels of serum Zn. Injection of CaDTPA reduc...
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#1Zdeněk Fišar (First Faculty of Medicine, Charles University in Prague)H-Index: 19
#2Matej Ľupták (First Faculty of Medicine, Charles University in Prague)H-Index: 1
Last. Jana Hroudová (First Faculty of Medicine, Charles University in Prague)H-Index: 19
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Abstract null null Remdesivir (RDV) is a novel antiviral drug whose mitochondrial effects are not well known. In vitro effects of RDV on the mitochondrial respiration, individual respiratory complexes, and the activity of monoamine oxidase (MAO-A and MAO-B) were measured in isolated mitochondria. At micromolar RDV concentrations, minimal or no inhibitory effects on the studied mitochondrial enzymes were found. At very high concentrations of RDV, there was partial inhibition of complex I- (IC50 6...
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#1Ying Kong (Xuzhou Medical College)H-Index: 3
#2Shuai Zhang (Xuzhou Medical College)
Last. Kai Xu (Xuzhou Medical College)H-Index: 16
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As nephrogenic systemic fibrosis (NSF) and increased signal intensities in deep cerebellar nuclei (DCN) were successively discovered in renal insufficiency patients and healthy persons after gadolinium-based contrast agents (GBCAs) exposure, an awareness of potential toxicity with GBCAs exposure has been heightening. Herein, we performed a multi-organ/tissue toxicity assessment after different GBCAs administration with a large number of samples, and long-term, time-course schedule investigation....
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#1Martin Ezechiáš (CAS: Academy of Sciences of the Czech Republic)H-Index: 7
Abstract null null Concentration addition as a classic null model for toxicology and pharmacology is based on Loewe's mathematical formulation and the linearity of the isoboles. Novel mathematical models, however, propose curved isoboles in certain conditions. This article aims to test the hypothesis of the curvature of isoboles in experimental measurements. With the assumption of linear isoboles, a partial agonist acts as an antagonist above its maximal effect level. The isoboles automatically ...
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