نتایج جستجو برای: di 2 ethylhexyl phthalate

تعداد نتایج: 2747168  

Journal: :Journal of nutritional science and vitaminology 1995
Y Loo M Shin Y Yamashita M Ishigami M Sasaki K Sano C Umezawa

Feeding rats with a diet containing 0.25% clofibrate for 2 weeks elevated the hepatic NAD+ and total nicotinate levels significantly. Other peroxisome proliferators, such as 2-(4-chlorophenoxy)propionic acid and di(2-ethylhexyl)phthalate, had similar effects. When rats were fed the control diet without clofibrate for 1 week after 2 weeks of the clofibrate diet, the hepatic NAD+ level returned t...

Journal: :Natural product research 2011
Slim Smaoui Lotfi Mellouli Ahmed Lebrihi Yannick Coppel Lilia Fourati Ben Fguira Florence Mathieu

Thirty litres of fermentation broth was extracted from the newly isolated Streptomyces sp. strain TN17 and various separation and purification steps led to the isolation of three pure bioactive compounds (1-3). Compound 1: cyclo (L-Leu-L-Arg), a diketopiperazine 'DKP' derivative; 2: di-(2-ethylhexyl) phthalate, a phthalate derivative; and 3: cyclo 1-[2-(cyclopentanecarbonyl-3-phenyl-propionyl]-...

2014
Pam Factor-Litvak Beverly Insel Antonia M. Calafat Xinhua Liu Frederica Perera Virginia A. Rauh Robin M. Whyatt

BACKGROUND Prior research reports inverse associations between maternal prenatal urinary phthalate metabolite concentrations and mental and motor development in preschoolers. No study evaluated whether these associations persist into school age. METHODS In a follow up of 328 inner-city mothers and their children, we measured prenatal urinary metabolites of di-n-butyl phthalate (DnBP), butylbe...

Journal: :Cancer research 1983
I G Robertson K Sivarajah T E Eling E Zeiger

Cooxidation of xenobiotics may occur during prostaglandin biosynthesis. The ability of prostaglandin endoperoxide synthetase to cooxidize several aromatic amines and other chemicals to mutagenic products was tested with the standard Salmonella tester strains. The microsomal fraction of ram seminal vesicles, a rich source of prostaglandin endoperoxide synthetase, in the presence of the prostagla...

Journal: :Human reproduction 2003
L Cobellis G Latini C De Felice S Razzi I Paris F Ruggieri P Mazzeo F Petraglia

BACKGROUND Emerging evidence suggests a potential role for ubiquitous environmental contaminants in the physiopathology of endometriosis. Di-(2-ethylhexyl)-phthalate (DEHP), the most commonly used plasticizer in flexible polyvinylchloride (PVC) formulations, is a widespread environmental contaminant with potentially adverse effects on fertility in animal models. In the present study, we tested ...

Journal: :Toxicology and applied pharmacology 1999
E K Maloney D J Waxman

A large number of industrial chemicals and environmental pollutants, including trichloroethylene (TCE), di(2-ethylhexyl)phthalate (DEHP), perfluorooctanoic acid (PFOA), and various phenoxyacetic acid herbicides, are nongenotoxic rodent hepatocarcinogens whose human health risk is uncertain. Rodent model studies have identified the receptor involved in the hepatotoxic and hepatocarcinogenic acti...

2014
Deborah J. Watkins Melissa Eliot Sheela Sathyanarayana Antonia M. Calafat Kimberly Yolton Bruce P. Lanphear Joseph M. Braun

The variability and predictors of urinary concentrations of phthalate metabolites in preschool-aged children have not been thoroughly examined. Additionally, the impact of temporal changes in the use and restriction of phthalates in children's products has not been assessed. Our objective was to identify demographic, behavioral, and temporal predictors of urinary phthalate metabolite concentrat...

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