Abstract:
:Paraquat (PQ) is a highly toxic herbicide that is used in most of the countries without restriction. The cytotoxic effect of PQ is mediated by radicals, which are the products of PQ reduction in cells. The anti-oxidative action of captopril, an angiotensin-converting enzyme inhibitor, appears to be through its ability to scavenge reactive oxygen species. In this study, the heptoprotective effect of captopril against PQ-induced hepatotoxicity was evaluated using primary cultured rat hepatocytes. Hepatocytes were isolated from male Wistar rats using a two-step collagenase perfusion, following incubation in the presence of captopril at 0.1, 0.2, 0.4 and 0.8 mM with or without PQ (5 mM). Hepatoprotective effects of captopril were studied indicating glutathione level intensity, thiobarbituric acid reactive substances (TBARs) formation, lactate dehydrogenase (LDH) leakage and cell viability every 70 min for 210 min. Captopril at 0.2 mM concentration maintained the LDH leakage, glutathione level and cell viability in the presence of 5 mM PQ. In spite of a significant elevation in TBARs formation in the PQ group, captopril did not show any significant protection. In conclusion, our data reveals that incubation of freshly isolated rat hepa-tocytes with captopril (0.2 mM) significantly protected the hepatocytes against the cytotoxicity of PQ (P < 0.05).
journal_name
Hum Exp Toxicoljournal_title
Human & experimental toxicologyauthors
Elmi A,Sadeghi Zh,Elmi S,Daraei B,Ghazi-Khansari Mdoi
10.1177/0960327107084533subject
Has Abstractpub_date
2007-10-01 00:00:00pages
789-94issue
10eissn
0960-3271issn
1477-0903pii
26/10/789journal_volume
26pub_type
杂志文章abstract::The effect of fendiline on cytosolic free Ca(2+) concentrations ([Ca(2+)](i)) and proliferation has not been explored in human oral cancer cells. This study examined whether fendiline altered Ca(2+) levels and caused cell death in OC2 human oral cancer cells. [Ca(2+)](i) and cell viability were measured using the fluo...
journal_title:Human & experimental toxicology
pub_type: 杂志文章
doi:10.1177/0960327108097436
更新日期:2009-01-01 00:00:00
abstract::1. Polyvinyl chloride (PVC) cot mattress covers from SIDS cases were investigated as potential sources of soluble (potentially ingestable) antimony in the cot environment. 2. Body fluids (urine, saliva) and proprietary domestic detergents/sterilizing fluids markedly enhanced leaching of antimony from PVC. Release of a...
journal_title:Human & experimental toxicology
pub_type: 杂志文章
doi:10.1177/096032719801700302
更新日期:1998-03-01 00:00:00
abstract::Genotoxicants can be identified as aneugens and clastogens through a micronucleus (MN) assay. The current high-content screening-based MN assays usually discriminate an aneugen from a clastogen based on only one parameter, such as the MN size, intensity, or morphology, which yields low accuracies (70-84%) because each...
journal_title:Human & experimental toxicology
pub_type: 杂志文章
doi:10.1177/0960327117695635
更新日期:2018-03-01 00:00:00
abstract::Resveratrol, a grape skin and red wine-derived polyphenolic phytoalexin, exhibits hormetic action delivering numerous health benefits at lower doses while being detrimental at higher doses. Epidemiologic and clinical trials need to be based on the clear understanding of hormetic health benefits of resveratrol. ...
journal_title:Human & experimental toxicology
pub_type: 杂志文章
doi:10.1177/0960327110383626
更新日期:2010-12-01 00:00:00
abstract::A sound understanding of the mechanisms determining percutaneous absorption is necessary for toxicological risk assessment of chemicals contacting the skin. As part of a programme investigating these mechanisms we have developed a physiologically based mathematical model. The structure of the model parallels the multi...
journal_title:Human & experimental toxicology
pub_type: 杂志文章
doi:10.1177/096032719401300108
更新日期:1994-01-01 00:00:00
abstract::Drugs containing 5-acetylsalicylic acid (5-ASA) have been commonly used for inflammatory bowel diseases for more than half a century, but no case about overdose of suppository form of mesalazine which was taken both orally and rectally has been reported in the related literature up to now. In the present case, a 20-ye...
journal_title:Human & experimental toxicology
pub_type: 杂志文章
doi:10.1177/0960327110379249
更新日期:2011-07-01 00:00:00
abstract::4-hydroxynonenal (4-HNE) and 6-hydroxydopamine (6-OHDA)-mediated damage in dopaminergic neurons is well documented. Protective potential of steroidal hormone (17β-estradiol) has also been suggested. However, therapeutic potential of such promising hormone is hampered due to complex brain anatomy and physiology. Thus, ...
journal_title:Human & experimental toxicology
pub_type: 杂志文章
doi:10.1177/0960327110382130
更新日期:2011-08-01 00:00:00
abstract::The present study was designed to evaluate the protective effects of Juglans regia kernel extract against cigarette smoke extract (CSE)-induced lung toxicities in Wistar rats. Prophylactic treatment of methanolic extract of J. regia kernel at the doses of 50 mg/kg b.wt. and 100 mg/kg b.wt was given by gavage to Wistar...
journal_title:Human & experimental toxicology
pub_type: 杂志文章
doi:10.1177/0960327110374204
更新日期:2011-06-01 00:00:00
abstract:AIM:To assess the systemic inflammatory response (SIR) and the multi-organ damage after large-volume liver radiofrequency ablation (RFA) with or without concurrent Pringle maneuver. METHODS:Wistar rats were subjected to 30% liver RFA (group RFA), liver RFA under 30-min Pringle maneuver (group RFA + P), Pringle only (g...
journal_title:Human & experimental toxicology
pub_type: 杂志文章
doi:10.1177/0960327111401438
更新日期:2011-11-01 00:00:00
abstract::Comparisons on a linear and the Rozman logarithmic scale for dosage versus carcinogenicity in rodents are presented for methyl eugenol (ME), nitrosodiethylamine (NDEA), ethyl carbamate (EC) and 2-acetylaminofluorene (AAF). Each of these chemicals has been shown to be carcinogenic in experimental animals and, in additi...
journal_title:Human & experimental toxicology
pub_type: 杂志文章
doi:10.1191/0960327105ht525oa
更新日期:2005-06-01 00:00:00
abstract::Okadaic acid (OA) is the main toxin produced by dinoflagellates, which can accumulate in the hepatopancreas of mussels and cause diarrhoetic shellfish poisoning in consumers. This toxin is also a tumour promoter and a specific potent inhibitor of protein phosphatases 1 and 2A. The results in this study show for the fi...
journal_title:Human & experimental toxicology
pub_type: 杂志文章
doi:10.1177/096032719601500307
更新日期:1996-03-01 00:00:00
abstract::Generation of reactive oxygen species (ROS) leads to serious tissue injuries. The effect of cyclopiazonic acid (CPA) on oxidative stress markers in the liver and kidneys of broiler chicks was studied. Ten-day-old male broiler chicks (Ross 308) were assigned into the control and test groups, which received normal salin...
journal_title:Human & experimental toxicology
pub_type: 杂志文章
doi:10.1177/0960327110384285
更新日期:2011-08-01 00:00:00
abstract::Endogenous alcohol has been applied for spontaneous ethanol production via different metabolic pathways of the human body. Auto-brewery syndrome describes the patients with alcohol intoxication after ingesting carbohydrate-rich meals. The main objective of this study is to investigate the effect of diabetes mellitus (...
journal_title:Human & experimental toxicology
pub_type: 杂志文章
doi:10.1177/0960327116661400
更新日期:2017-05-01 00:00:00
abstract::Hypofibrinogenemia is an important clinical consequence following envenomation by Lachesis muta muta, usually attenuated or prevented by administration of antivenom. The venom of L. m. muta contains both a metalloproteinase fibrinogenase and a serine protease thrombin-like enzyme, and exposure of fibrinogen to iron (F...
journal_title:Human & experimental toxicology
pub_type: 杂志文章
doi:10.1177/0960327116661401
更新日期:2017-07-01 00:00:00
abstract::Tissue-dependent oestrogenic and anti-oestrogenic activity of polycyclic aromatic hydrocarbons (PAHs) has been suggested. In this study, the effect of two PAH mixtures, M1 composed of all 16 priority pollutants and M2 composed of five (noted in the highest levels) compounds, on follicle-stimulating hormone receptor (F...
journal_title:Human & experimental toxicology
pub_type: 杂志文章
doi:10.1177/0960327119886027
更新日期:2020-03-01 00:00:00
abstract:OBJECTIVE:The present study was designed to highlight the toxic impact of baclofen on both biochemical and histopathological aspects in rats' liver, gastric, lung, kidney, and brain tissues. METHODS:The study was performed on 30 healthy adult male albino rats divided into four groups with 5 rats in each control group,...
journal_title:Human & experimental toxicology
pub_type: 杂志文章
doi:10.1177/0960327117712369
更新日期:2018-04-01 00:00:00
abstract:OBJECTIVE:To investigate the mechanism of apoptosis dependent on the Fas/FasL (Fas ligand) complex in the presence of N-nitrosodimethylamine (NDMA) in human leukocytes. METHODS:Polymorphonuclear neutrophils (PMNs) and peripheral blood mononuclear cells (PBMCs) were isolated form whole blood by density centrifugation. ...
journal_title:Human & experimental toxicology
pub_type: 杂志文章
doi:10.1177/0960327119828198
更新日期:2019-05-01 00:00:00
abstract::Organophosphorus compounds are known to cause the selective release of liver microsomal beta-glucuronidase into plasma. Organophophoruses may induce nitrosative stress leading to the generation of nitrogen free radicals and alterations in scavengers of free radicals in many biological systems. In this study, we invest...
journal_title:Human & experimental toxicology
pub_type: 杂志文章
doi:10.1177/0960327107085349
更新日期:2007-12-01 00:00:00
abstract::Utilizing information obtained from the X-ray fluorescence linear scanning along a single strand of hair in a recent fatal exposure to dimethylmercury, it was possible to determine the circumstances leading to the fatal result. When the Dartmouth chemistry professor displayed symptoms of mercury toxicity, samples of h...
journal_title:Human & experimental toxicology
pub_type: 杂志文章
doi:10.1191/096032701678766813
更新日期:2001-04-01 00:00:00
abstract::Enterococcus faecalis is a facultative anaerobic gram-positive commensal bacterium common in the gastrointestinal tract of animals and humans. This study aimed to investigate the protective effects of heat-killed E. faecalis EF-2001 (EF-2001) on acute gastric ulcer using a murine model of ethanol (EtOH)-induced acute ...
journal_title:Human & experimental toxicology
pub_type: 杂志文章
doi:10.1177/0960327119899987
更新日期:2020-05-01 00:00:00
abstract::This study was conducted to evaluate the possible genotoxic effects of waste anesthetic gases. Comet assay was performed on peripheral blood lymphocytes of 60 volunteers: 20 healthy unexposed office workers and 40 operation room (OR) personnel at Tanta University Hospital (Egypt). The exposed personnel were anesthetis...
journal_title:Human & experimental toxicology
pub_type: 杂志文章
doi:10.1177/0960327111426584
更新日期:2013-06-01 00:00:00
abstract:BACKGROUND:Acute kidney injury (AKI) is the main clinical concern resulted from ischemia-reperfusion injury (IRI). Ample clinical data indicates that AKI is associated with distant organ dysfunctions and poor patients' outcomes. Oxidative stress and inflammation have a critical role in the pathogenesis of organ injurie...
journal_title:Human & experimental toxicology
pub_type: 杂志文章
doi:10.1177/0960327120979014
更新日期:2020-12-16 00:00:00
abstract::Coronary heart disease and in particular its most serious form - acute myocardial infarction (AMI) - represents the most common cause of mortality in developed countries. Better prognosis may be achieved by understanding the etiopathogenetic mechanisms of AMI. Therefore, a catecholamine model of myocardial injury, whi...
journal_title:Human & experimental toxicology
pub_type: 杂志文章
doi:10.1177/0960327109350665
更新日期:2009-10-01 00:00:00
abstract::The purpose of the present study is to establish a new animal model of azithromycin (AZ)-induced liver injury and study the molecular pathological change during the process. First, mice were respectively injected intraperitoneally with AZ of different high doses. Our results showed that 800 mg/kg AZ injection signific...
journal_title:Human & experimental toxicology
pub_type: 杂志文章
doi:10.1177/0960327115595684
更新日期:2016-05-01 00:00:00
abstract::Phosphorus flame retardants are a group of chemicals that are used to slow or prevent the spread of fire. These compounds have been detected in different environments including human organism. In the present study, we have investigated DNA-damaging potential and effect on DNA methylation of tris(2-chloroethyl) phospha...
journal_title:Human & experimental toxicology
pub_type: 杂志文章
doi:10.1177/0960327119839174
更新日期:2019-06-01 00:00:00
abstract::The aim of the study was to evaluate the effect of bisphenol A (BPA) on nitric oxide (NO) production and inducible nitric oxide synthase (iNOS) expression by neutrophils with regard to sex and nuclear factor-κB (NF-κB) pathway participation in this process. This study demonstrated that BPA intensifies the production o...
journal_title:Human & experimental toxicology
pub_type: 杂志文章
doi:10.1177/0960327118793188
更新日期:2019-02-01 00:00:00
abstract::In order to assess the effect of arsenic on the male reproductive impairment in mice, 7-week-old animals were exposed to 7.5 mg sodium arsenite (NaAsO(2))/kg body weight, during 35 days (one spermatogenic cycle). One group of animals was sacrificed after exposure, while another group received distilled water for an ad...
journal_title:Human & experimental toxicology
pub_type: 杂志文章
doi:10.1177/0960327111405862
更新日期:2012-03-01 00:00:00
abstract::There are many discrepancies among the results of studies on the genotoxicity of lead. The aim of the study was to explore lead-induced DNA damage, including oxidative damage, in relation to oxidative stress intensity parameters and the antioxidant defense system in human leukocytes. The study population consisted of ...
journal_title:Human & experimental toxicology
pub_type: 杂志文章
doi:10.1177/0960327116665674
更新日期:2017-07-01 00:00:00
abstract::Predictive toxicology plays a critical role in reducing the failure rate of new drugs in pharmaceutical research and development. Despite recent gains in our understanding of drug-induced toxicity, however, it is urgent that the utility and limitations of our current predictive tools be determined in order to identify...
journal_title:Human & experimental toxicology
pub_type: 杂志文章
doi:10.1177/0960327115605440
更新日期:2015-12-01 00:00:00
abstract::The purpose of this study was to characterize the zinc oxide nanoparticles (ZnO-NPs) and their bulk counterpart in suspensions and to access the impact of their acute oral toxicity at doses of 300 and 2000 mg/kg in healthy female Wistar rats. The hematological, biochemical, and urine parameters were accessed at 24 and...
journal_title:Human & experimental toxicology
pub_type: 杂志文章
doi:10.1177/0960327116629530
更新日期:2016-12-01 00:00:00