Epididymal phospholipidosis is a possible mechanism for spermatotoxicity induced by the organophosphorus insecticide fenitrothion in rats.

abstract：:The efflux transporter breast cancer resistance protein (BCRP/ABCG2) decrease intestinal absorption of many food toxicants. Oleic acid increases absorption of the specific BCRP substrate mitoxantrone (MXR), and also BCRP gene expression in human intestinal Caco-2 cells, suggesting that oleic acid affect the BCRP funct...

journal_title：Toxicology letters

authors： Aspenström-Fagerlund B,Tallkvist J,Ilbäck NG,Glynn AW

更新日期：2015-09-02 00:00:00

abstract：:There are reports of fluorochloridone (FLC)-induced male reproductive toxicity, but the underlying toxicological mechanisms remain unknown. In this study, we looked at how FLC exposure affected the integrity of the blood-testis barrier (BTB) and the Sertoli cell barrier and studied the molecular mechanisms. Male rats ...

journal_title：Toxicology letters

authors： Liu L,Zhang Y,Chang X,Li R,Wu C,Tang L,Zhou Z

更新日期：2018-10-01 00:00:00

abstract：:Benzophenone-3 (2-hydroxy-4-methoxybenzophenone, BZ-3) is a UV absorber that is used extensively in medicine, cosmetics and industry as a sunscreen and color fastener. Exposure to the chemical is through the dermal and oral route. Bioavailability of the chemical absorbed through the skin is different from that seen th...

journal_title：Toxicology letters

authors： Okereke CS,Abdel-Rhaman MS,Friedman MA

更新日期：1994-08-01 00:00:00

abstract：:Vincristine (VCR) is commonly used to treat a variety of hematological malignancies and solid tumors in pediatric and adult patients. However, peripheral neuropathy is a dose-limiting side effect that leaves some patients with functional disability and long-term pain. Oxytocin (OT) has demonstrated analgesic and anti-...

journal_title：Toxicology letters

authors： Zhu J,Li Y,Liang J,Li J,Huang K,Li J,Liu C

更新日期：2021-01-08 00:00:00

abstract：:Mice given single i.v. doses of some radiopharmaceuticals containing stannous chloride as a reducing agent, showed significant inhibition of hepatic azo-reductase and aromatic hydroxylase activity at dose levels which contained as little as 0.2 mg/kg of stannous chloride. Cytochrome P-450 content was also reduced sign...

journal_title：Toxicology letters

authors： Burba JV

更新日期：1983-09-01 00:00:00

abstract：:Nephrotoxicity limits the therapeutic efficacy of the antineoplastic drug cisplatin. Due to dosage adjustment and appropriate monitoring, most therapeutic courses with cisplatin produce no or minimal kidney damage. However, we studied whether even sub-nephrotoxic dosage of cisplatin poses a potential risk for the kidn...

journal_title：Toxicology letters

authors： Vicente-Vicente L,Sánchez-Juanes F,García-Sánchez O,Blanco-Gozalo V,Pescador M,Sevilla MA,González-Buitrago JM,López-Hernández FJ,López-Novoa JM,Morales AI

更新日期：2015-04-16 00:00:00

abstract：:In this study, we examined the cytotoxic effects of sanguinarine, a phytoalexin with antimicrobial, anti-oxidant, anti-inflammatory and pro-apoptotic effects, on the blastocyst stage of mouse embryos, subsequent embryonic attachment and outgrowth in vitro and in vivo implantation via embryo transfer. Blastocysts treat...

journal_title：Toxicology letters

authors： Chan WH

更新日期：2011-09-10 00:00:00

abstract：:Reactivity of phenoxyl radicals towards biomolecules (proteins, nucleic acids and lipids) is essential for antioxidant (protective) versus prooxidant (cytotoxic) effects of phenolic compounds (antioxidants, phytochemicals, environmental pollutants and toxic chemicals). The present study demonstrates for the first time...

journal_title：Toxicology letters

authors： Ritov VB,Menshikova EV,Goldman R,Kagan VE

更新日期：1996-10-01 00:00:00

abstract：:O,O,S-Trimethylphosphorothioate (OOS-Me) and O,S,S-trimethylphosphorodithioate (OSS-Me) are impurities in technical grade malathion and related insecticides which have been shown to cause delayed death in rats following a single oral dose of 40-60 mg/kg. In connection with studies on the mode of action of these compou...

journal_title：Toxicology letters

authors： Keadtisuke S,Dheranetra W,Fukuto TR

更新日期：1989-04-01 00:00:00

abstract：:Hexavalent chromium (Cr (VI)) is an environmental human carcinogen which primarily targets lungs. Among a variety of toxic mechanisms, disruption of biological pathways via translational and post-translational modifications represents a key mechanism through which Cr (VI) induces cytotoxicity and carcinogenesis. To id...

journal_title：Toxicology letters

authors： Bruno M,Ross J,Ge Y

更新日期：2016-12-15 00:00:00

abstract：:N-acetyl-beta-D-glucosaminidase (NAG) activity in urine was measured in patients with 'itai-itai' disease, from chronically advanced cadmium poisoning. Elevation of NAG activity, however, was not so marked as that of beta 2-microglobulin (beta 2-MG) in the urine of patients and suspected patients. We conclude that the...

journal_title：Toxicology letters

authors： Nogawa K,Yamada Y,Honda R,Tsuritani I,Ishizaki M,Sakamoto M

更新日期：1983-05-01 00:00:00

abstract：:The US Environmental Protection Agency (EPA) in 1999 issued draft guidelines on carcinogen risk assessment, which included the use mode of action information in the risk assessment process. We have used the five stages of induction of toxicity as described by Aldridge to illustrate in the case of two drugs, tamoxifen ...

journal_title：Toxicology letters

authors： Lock EA,Smith LL

更新日期：2003-04-11 00:00:00

abstract：:Prenatal stress is known to affect the development of the brain, and exaggerate the developmental toxicity of chemicals. Many studies of developmental neurotoxicity (DNT) use pregnant rodents mated at the supplier, which consequently suffer from the stress of shipping and of environmental changes. Here, we demonstrate...

journal_title：Toxicology letters

authors： Ogawa T,Kuwagata M,Hori Y,Shioda S

更新日期：2007-11-01 00:00:00

abstract：:Dietary administration of di-2-ethylhexyl phthalate (DEHP; 2%) to male rats caused testicular atrophy. Serum non-esterified fatty acid increased while cholesterol, triglyceride and phospholipid decreased in treated rats. Testicular concentration of cholesterol and non-esterified fatty acid increased in DEHP-treated ra...

journal_title：Toxicology letters

authors： Oishi S

更新日期：1984-10-01 00:00:00

abstract：:Inflammation and microRNAs are involved in human skin cancer; however, their molecular mechanisms remain unclear. Further, a concern in skin cancer research is the identification of biomarkers for early diagnosis and accurate prognosis. To explore new biomarkers of chemical exposure in risk assessment of chemical carc...

journal_title：Toxicology letters

authors： Lu X,Luo F,Liu Y,Zhang A,Li J,Wang B,Xu W,Shi L,Liu X,Lu L,Liu Q

更新日期：2015-09-17 00:00:00

abstract：:Benzene is a common occupational hazard and a ubiquitous environmental pollutant. Benzene exposure at the levels even below 1ppm still showed hematotoxicity. It is widely accepted that the metabolites of benzene play important roles in the benzene toxicity to the hematopoietic system, but little is known about the eff...

journal_title：Toxicology letters

authors： Wu XR,Xue M,Li XF,Wang Y,Wang J,Han QL,Yi ZC

更新日期：2011-06-24 00:00:00

abstract：:Chronic exposure to arsenic increases the risk of developing a variety of human cancers including lung carcinomas. However, the exact molecular mechanism underlying arsenic carcinogenicity remains largely unknown. Autophagy is a conserved catabolic process for maintaining cellular protein homeostasis whose defects mig...

journal_title：Toxicology letters

authors： Wu L,Wang Z,Li X,He X,Han Y,Chen Y,Liu L,Fu L,Zhang T

更新日期：2020-10-10 00:00:00

abstract：:Many industrially and environmentally important industrial carcinogens display effects that lead them to be viewed and regulated as 'genotoxic compounds'. Some of these chemicals cause experimental tumours only at high or toxic doses. The current view is that non-threshold principles should be applied for risk assessm...

journal_title：Toxicology letters

authors： Bolt HM

更新日期：2003-04-11 00:00:00

abstract：:Iodinated contrast media (CM) can induce apoptosis and necrosis of renal tubular cells. The injuries of endothelial cells induced by CM on the systemic condition have not been fully understood. To assess the toxic effects of non-ionic CM on the glomerular and aortic endothelial cells, iopromide and iodixanol, two kind...

journal_title：Toxicology letters

authors： Zhao Y,Tao Z,Xu Z,Tao Z,Chen B,Wang L,Li C,Chen L,Jia Q,Jia E,Zhu T,Yang Z

更新日期：2011-05-10 00:00:00

abstract：:Recent epidemiological studies in the United States and in Europe indicate, that the coarse fraction (PM-10) of airborne particulates, smaller than 10 microm and particularly the fine fraction (PM-2.5) smaller than 2.5 microm are responsible for adverse health effects, causing an increasing morbidity and mortality. Fu...

journal_title：Toxicology letters

authors： Hornberg C,Maciuleviciute L,Seemayer NH,Kainka E

更新日期：1998-08-01 00:00:00

abstract：:Samples of PM(2.5) were gravimetrically collected during the winter 2005/2006 in the urban area of Milan (North Italy). Samples were chemically characterized and the particles were detached from filters to determine their cytotoxic effects on the A549 cell line. Based on the potential toxicological relevance of its co...

journal_title：Toxicology letters

authors： Gualtieri M,Mantecca P,Corvaja V,Longhin E,Perrone MG,Bolzacchini E,Camatini M

更新日期：2009-07-10 00:00:00

abstract：:This study tested a hypothesis that soybean lipoxygenase (SLO), a model enzyme, may be capable of generating a glutathione (GSH) conjugate(s) from p-aminophenol (PAP). Horseradish peroxidase was employed as a positive control. GSH depletion or an increase in the absorption at 327 nm with time due to GS-PAP formation w...

journal_title：Toxicology letters

authors： Yang X,Kulkarni AP

更新日期：2000-01-05 00:00:00

abstract：:Cyanobacteria ("blue-green algae"), such as Oscillatoria sp., are a ubiquitous group of bacteria found in freshwater systems worldwide that are linked to illness and in some cases, death among humans and animals. Exposure to cyanobacteria occurs via ingestion of contaminated water or food-products. Exposure of the gut...

journal_title：Toxicology letters

authors： Swanson-Mungerson M,Incrocci R,Subramaniam V,Williams P,Hall ML,Mayer AMS

更新日期：2017-06-05 00:00:00

abstract：:The effect of copper (Cu) deficiency on antioxidant status of liver and heart and its effect on adriamycin toxicity was assessed. Weanling rats were fed Cu-adequate (+Cu) and Cu-deficient (-Cu) diets for 3 weeks and then injected intraperitoneally once with saline or adriamycin (8 mg/kg). All -Cu rats had increased he...

journal_title：Toxicology letters

authors： Fischer J,Johnson MA,Tackett RL

更新日期：1991-07-01 00:00:00

abstract：:Rats were treated with LiCl or RbCl in drinking water for 65 days. Spleen cells from both treated groups exhibited significantly greater proliferative responses to lipopolysaccharide (LPS) than those from untreated controls. Responses to concanavalin A (Con A) were not affected. Cytotoxic activities of natural killer ...

journal_title：Toxicology letters

authors： Jones JM,Yeralan O,Hines G,Maher M,Roberts DW,Benson RW

更新日期：1990-07-01 00:00:00

abstract：:The main objective of this work was to assess the potentiality of in vitro models to study and understand the uranium-induced cytotoxicity on renal cells. Cytotoxicity and morphological studies were performed in a tubular proximal original established cell line (LLC-PK1 cell line). Dose-dependent cytotoxicity response...

journal_title：Toxicology letters

authors： Mirto H,Hengé-Napoli MH,Gibert R,Ansoborlo E,Fournier M,Cambar J

更新日期：1999-02-22 00:00:00

abstract：:Hydrochlorofluorocarbon 1,1-dichloro-2,2,2-trifluoroethane (HCFC-123), a close structural analogue of the hepatotoxic anaesthetic halotane and a replacement for some ozone-depleting chlorofluorocarbons, is metabolized by liver cytochrome P450 (P450), both in vitro and in vivo. P450 activates HCFC-123, both oxidatively...

journal_title：Toxicology letters

authors： Zanovello A,Ferrara R,Manno M

更新日期：2003-09-15 00:00:00

abstract：:A group of 20 female albino rats was exposed to mosquito coil smoke, 8 h a day, 6 days per week, for 60 days. An additional group receiving air exposure served as control. The smoke-exposed animals had a lower body weight than the controls. Smoke-induced histopathological lesions, including an inflammation of the trac...

journal_title：Toxicology letters

authors： Liu WK,Wong MH

更新日期：1987-12-01 00:00:00

abstract：:The blood-cerebrospinal fluid barrier (BCB) plays a key role in maintaining copper (Cu) homeostasis in the brain. Cumulative evidences indicate that lead (Pb) exposure alters cerebral Cu homeostasis, which may underlie the development of neurodegenerative diseases. This study investigated the roles of Cu transporter 1...

journal_title：Toxicology letters

authors： Zheng G,Zhang J,Xu Y,Shen X,Song H,Jing J,Luo W,Zheng W,Chen J

更新日期：2014-02-10 00:00:00

abstract：:In 2001 the SCOOP (SCOOP: Scientific Co-operation on Questions relating to Food) task 3.2.10 "Collection of occurrence data of Fusarium toxins in food and assessment of dietary intake by the population of EU Member States" was established. The task was divided in three subtasks (zearalenone, fumonisins and trichothece...

journal_title：Toxicology letters

authors： Schothorst RC,van Egmond HP

更新日期：2004-10-10 00:00:00