Influence of ranitidine on the morphine-3-glucuronide to morphine-6-glucuronide ratio after oral administration of morphine in humans.

abstract：:D-Glucaro(1,4)lactone, a potent beta-glucuronidase inhibitor was attached via the carboxylic acid moiety to polyvinylbenzyl chloride (PVBC) using a bimolecular nucleophilic displacement reaction. First, the caesium salt of D-glucaro(1,4)lactone was prepared by titrating the carboxylic acid to neutrality with aqueous c...

journal_title：Human & experimental toxicology

authors： Sacco C,McEwen WE,Calabrese EJ

更新日期：1993-03-01 00:00:00

abstract：:1. Three indexes for evaluating the severity of paraquat poisoning based on plasma-paraquat concentration are presently in use; the curves of Proudfood et al. and Scherrmann et al. and the SIPP. Their effectiveness in determining the prognosis of patients with paraquat poisoning was evaluated. 2. To determine which in...

journal_title：Human & experimental toxicology

authors： Suzuki K,Takasu N,Arita S,Ueda A,Okabe T,Ishimatsu S,Tanaka S,Kohama A

更新日期：1991-01-01 00:00:00

abstract：:The Organization for Economic Cooperation and Development (OECD) has promoted Good Laboratory Practice (GLP) since the mid 1970s. This paper describes the development of the concept through international harmonisation, Quality Assurance (QA), and compliance monitoring. Ultimately this process permits Mutual Acceptance...

journal_title：Human & experimental toxicology

authors： Turnheim D

更新日期：1993-11-01 00:00:00

abstract：:Nicotinamide riboside (NR) is a naturally occurring form of vitamin B3 present in trace amounts in some foods. Like niacin, it has been shown to be a precursor in the biosynthesis of nicotinamide adenine dinucleotide (NAD+). The safety of Niagen™, a synthetic form of NR, was determined using a bacterial reverse mutage...

journal_title：Human & experimental toxicology

authors： Conze DB,Crespo-Barreto J,Kruger CL

更新日期：2016-11-01 00:00:00

abstract：:Teucrium polium L. (Lamiaceae) is a commonly used medicinal plant in folk medicine. Among several uses, T. polium is used to treat male fertility problems. This research was conducted to study the effect of T. polium on spermatogenesis, testosterone level, androgen receptor expression, and fertility in male rats. Admi...

journal_title：Human & experimental toxicology

authors： Al-Tikriti A,Al-Khateeb E,Abbas MA

更新日期：2017-12-01 00:00:00

abstract：:This study evaluated the protective potential of curcumin on the possible side effects of bortezomib (Bt) therapy on normal cells in mice. The mice were segregated into three groups (n = 10) that included normal control, Bt-treated, and Bt + curcumin-treated groups. The Bt treatment resulted in significant decrease in...

journal_title：Human & experimental toxicology

authors： Kumar RR,Malhotra A

更新日期：2015-07-01 00:00:00

abstract：:In carbon monoxide (CO) poisoning, CO affects the oxygen-carrying capacity of the hemoglobin molecule. Nucleolar-organizing regions (NORs) are genetic loci on chromosomes that are composed of ribosomal DNA and proteins. NORs can be stained with silver. A total of 18 rats were exposed to CO in three different concentra...

journal_title：Human & experimental toxicology

authors： Çolakoğlu S,Saritas A,Eroz R,Oktay M,Yaykasli KO,Akoz A,Kaya E,Kandis H

更新日期：2015-01-01 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

authors： Waddell WJ

更新日期：2005-06-01 00:00:00

abstract：:In our study, rats were exposed to sarin vapors for 240 min at four different concentrations (0.30, 0.43, 0.58 and 0.82 microg/L) in a whole-body inhalation chamber. The acetylcholinesterase activity (AChE, EC 3.1.1.7) was measured in the whole blood, frontal cortex (FC), pontomedullar area (PM) and basal ganglia (BG)...

journal_title：Human & experimental toxicology

authors： Bartosova-Sevelova L,Bajgar J

更新日期：2005-07-01 00:00:00

abstract：:1. This work examines the influence of age on some nephrotoxic signs of gentamicin in normal and diabetic rats (aged 1 and 24 months). 2. Gentamicin (80 mg-1 kg-1 day for 6 days, intramuscularly) produced the typical pattern of nephrotoxicity; significantly increasing the plasma concentrations of creatinine and urea, ...

journal_title：Human & experimental toxicology

authors： Ali BH,Bashir AK,Mugamer IT,Tanira MO

更新日期：1996-01-01 00:00:00

abstract：:Hexafluorocyclobutene (HFCB), a reactive organohalogen gas, causes overwhelming pulmonary oedema. We investigated its effect on the rat lung surfactant system, comparing its action on type II pneumocytes with air-exposed rats. The inflammatory cell population and protein content of bronchoalveolar lavage fluid was ana...

journal_title：Human & experimental toxicology

authors： Jugg B,Jenner J,Hughes JN,Rice P

更新日期：2001-05-01 00:00:00

abstract：:In responding to Drs Calabrese and Baldwin's question, 'At what point, if ever, should hormesis be employed as the principal dose response default assumption in risk assessment?', we examined the benefits of replacing traditional dose-response with hormesis. In general, hormesis provides more complete useful informati...

journal_title：Human & experimental toxicology

authors： Pickrell JA,Oehme FW

更新日期：2005-05-01 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

authors： Jenkins RO,Craig PJ,Goessler W,Irgolic KJ

更新日期：1998-03-01 00:00:00

abstract：:Diallyl sulfide, a sulfur-containing volatile compound present in garlic (Allium sativum), exerts anticarcinogenic activity in various rodent tumor models. In the present study, apoptosis-inhibiting effects of diallyl sulfide against a carcinogenic polycyclic aromatic hydrocarbon, 7,12-dimethyl benz(a)anthracene (DMBA...

journal_title：Human & experimental toxicology

authors： Prasad S,Kalra N,Srivastava S,Shukla Y

更新日期：2008-01-01 00:00:00

abstract：OBJECTIVES:The aim of this study was to evaluate, the cytotoxicity of orthodontic composites in vitro as a function of degree of conversion (DC) and the light curing units (LCU) employed on mouse fibroblast (L929). MATERIALS AND METHODS:Cured samples of the composites Light bond (Reliance Orthodontic Products, Itasca,...

journal_title：Human & experimental toxicology

authors： Cörekçi B,Irgın C,Halıcıoğlu K,Dursun S,Yavuz MZ

更新日期：2014-10-01 00:00:00

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...

journal_title：Human & experimental toxicology

authors： Elmi A,Sadeghi Zh,Elmi S,Daraei B,Ghazi-Khansari M

更新日期：2007-10-01 00:00:00

abstract：:Phagocytes remove and store mercury (Hg) that enters the body. Macrophages and granulocytes respond in opposite ways to Hg: macrophages loose cell viability, and neutrophils become protected from apoptosis. We have investigated the cytology of early intake of Hg by macrophages and neutrophils after a short period (2-4...

journal_title：Human & experimental toxicology

authors： Cunha EM,Oliveira MJ,Ferreira PG,Aguas AP

更新日期：2004-08-01 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

authors： Qamar W,Sultana S

更新日期：2011-06-01 00:00:00

abstract：:The objective of this study is to analyze exposures concerning analgesics that were reported to Dokuz Eylul University Drug and Poison Information Center (DPIC) and admitted to the Department of Emergency Medicine in Dokuz Eylul University Hospital (EMDEU) between 1993 and 2004. Demographics of the patients, character...

journal_title：Human & experimental toxicology

authors： Hocaoglu N,Kalkan S,Akgun A,Capar S,Tuncok Y

更新日期：2007-08-01 00:00:00

abstract：:Information on the acute effects associated with the handling of 1,4-dioxane is sparse. Our aim was to evaluate the acute effects of 1,4-dioxane vapours. In a screening study, six healthy volunteers rated symptoms on a visual analogue scale (VAS), while exposed to stepwise increasing levels of 1,4-dioxane, from 1 to 2...

journal_title：Human & experimental toxicology

authors： Ernstgård L,Iregren A,Sjögren B,Johanson G

更新日期：2006-12-01 00:00:00

abstract：:Morphine-6-glucuronide, the active metabolite of morphine, and to a lesser extent morphine itself are known to accumulate in patients with renal failure. A number of cases on non-lethal morphine toxicity in patients with renal impairment report high plasma concentrations of morphine-6-glucuronide, suggesting that this...

journal_title：Human & experimental toxicology

authors： Lagas JS,Wagenaar JF,Huitema AD,Hillebrand MJ,Koks CH,Gerdes VE,Brandjes DP,Beijnen JH

更新日期：2011-09-01 00:00:00

abstract：:Arsenic is a naturally occurring environmental toxicant, chronic exposure to arsenic can cause multiorgan damage, except for typical skin lesions, liver damage is the main problem for health concern in population with arsenic poisoning. Abnormal apoptosis is closely related to liver-related diseases, and p53 is one of...

journal_title：Human & experimental toxicology

authors： Yang Y,Liu C,Xie T,Wang D,Chen X,Ma L,Zhang A

更新日期：2021-01-27 00:00:00

abstract：:Exposure to quartz induces pulmonary inflammation and development of fibrosis. In order to study the fibrosing process, we investigated morphology, function and phenotype of alveolar (AMs) and interstitial (IMs) macrophages at an early stage of fibrosis in rats. Rats were exposed by intratracheal instillations of 10 m...

journal_title：Human & experimental toxicology

authors： Zetterberg G,Elmberger G,Johansson A,Lundahl J,Lundborg M,Sköld CM,Tornling G,Camner P,Eklund A

更新日期：2000-07-01 00:00:00

abstract：:The regulation of osteoblast proliferation is a key factor in maintaining bone mass. The enhancement of this process can be achieved by stimulating the proliferation of these cells. Mechanical stimulation is one of the important enhancing factors, but the exact cellular mechanisms of mechanical stimulation, i.e., mech...

journal_title：Human & experimental toxicology

authors： Rosenberg N

更新日期：2003-05-01 00:00:00

abstract：:1. Groups of 60 male and 60 female B6C3F1 mice or HanIbm Wistar rats were exposed to HFA-134a using snout-only inhalation exposure techniques for periods of one hour daily for at least 104 weeks. HFA-134a was delivered directly from cylinders at vapour concentrations of 2500, 15,000 and 75,000ppm for mice and from met...

journal_title：Human & experimental toxicology

authors： Alexander DJ,Libretto SE,Chevalier HJ,Imamura T,Pappritz G,Wilson J

更新日期：1995-09-01 00:00:00

abstract：:The pharmacokinetics of the herbicide fluazifop-butyl have been determined in female rats following oral and intravenous dosing, and described by a mathematical model. Penetration of fluazifop-butyl through epidermal membranes has been determined using three different receptor fluids. It is demonstrated how this in vi...

journal_title：Human & experimental toxicology

authors： Auton TR,Ramsey JD,Woollen BH

更新日期：1993-05-01 00:00:00

abstract：:This study was designed to evaluate the maternal toxicity and teratogenicity of fenproporex, one of the most widely-used anorectic drugs in many countries, including Brazil. Three periods of exposure were evaluated: (a) 30 days before mating; (b) from gestational day (GD) 0 to 14; and (c) 30 days before mating and dur...

journal_title：Human & experimental toxicology

authors： Moreira CQ,Faria MJ,Baroneza JE,Oliveira RJ,Moreira EG

更新日期：2005-08-01 00:00:00

abstract：:The current study was undertaken to evaluate the effect of combined therapy of gabapentin and pantoprazole against forestomach and pylorus ligation-induced gastric esophageal reflux disease (GERD) in albino Wistar rats. Rats were randomly divided into five groups, each group consisting of six rats, fasted for 24 h, un...

journal_title：Human & experimental toxicology

authors： Arya P,Kaithwas G

更新日期：2020-04-01 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

authors： El-Ebiary AA,Abuelfadl AA,Sarhan NI,Othman MM

更新日期：2013-06-01 00:00:00

abstract：:The principal impediment to gene therapy is the development of efficient, nontoxic gene carriers that can handle and deliver foreign genetic materials into various cell types, including healthy and cancerous cells. Poly-l-lysine (PLL) polymers are one of the most favorable gene carriers among nonviral vectors, and PLL...

journal_title：Human & experimental toxicology

authors： Alinejad-Mofrad E,Malaekeh-Nikouei B,Gholami L,Mousavi SH,Sadeghnia HR,Mohajeri M,Darroudi M,Oskuee RK

更新日期：2019-08-01 00:00:00