Safety assessment of nicotinamide riboside, a form of vitamin B3.

abstract：:Dermal exposure is an important factor in risk characterization. In occupational settings it becomes relatively more important because of the continuous reduction in inhalation exposure. In the public health arena, dermal exposure may also form a significant contribution to the total exposure. Dermal exposure, however...

journal_title：Human & experimental toxicology

authors： Boogaard PJ

更新日期：2008-04-01 00:00:00

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

authors： Huang C,Huang C,Cheng J,Liu S,Chen I,Tsai J,Chou C,Tseng P,Jan C

更新日期：2009-01-01 00:00:00

abstract：:The benefits and costs are discussed for the possibility of using pups generated in breeding studies for additional assessments, such as evaluating immunotoxicity. Such an approach is logistically challenging, but not overwhelming. ...

journal_title：Human & experimental toxicology

authors： Chapin RE

更新日期：2002-09-01 00:00:00

abstract：:In this study we examined the effect of the aqueous extract of Thonningia sanguinea (T.S.) on 7-ethoxyresorufin O-deethylase (EROD, CYP1A1), 7-pentoxyresorufin O-dealkylase (PROD, CYP2B1/2), 7-methoxyresorufin O-demethylase (MROD, CYP1A2), aniline hydroxylase (aniline, CYP2E1), p-nitrophenol hydroxylase (PNPH, CYP2E1)...

journal_title：Human & experimental toxicology

authors： Gyamfi MA,Hokama N,Oppong-Boachie K,Aniya Y

更新日期：2000-11-01 00:00:00

abstract：:The effects of the environmental toxicant, triethyltin, on Ca2+ mobilization in Madin-Darby canine kidney (MDCK) cells have been examined. Triethyltin induced an increase in cytosolic free Ca2+ levels ([Ca2+]i) at concentrations larger than 2 microM in a concentration-dependent manner. Within 5 min, the [Ca2+]i signal...

journal_title：Human & experimental toxicology

authors： Jiann BP,Chou KJ,Chang HT,Chen WC,Huang JK,Jan CR

更新日期：2002-08-01 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

authors： Ferreira M,Matos RC,Oliveira H,Nunes B,Pereira Mde L

更新日期：2012-03-01 00:00:00

abstract：:A retrospective review of medical records was carried out to determine the pattern of drug and chemical poisoning cases admitted to a teaching hospital in Malaysia. Medical records of patients admitted during the period January 1987 to December 1995 were reviewed. They accounted for 0.2% of total admissions during the...

journal_title：Human & experimental toxicology

authors： Ab Rahman AF

更新日期：2002-07-01 00:00:00

abstract：:Results obtained in long-term carcinogenicity studies with animals should be evaluated, first and foremost, by statistical comparisons of the data obtained from the treated group with that from the concurrent control group. Often the results are compared with data from so-called historical control groups in order to t...

journal_title：Human & experimental toxicology

authors： Greim H,Gelbke HP,Reuter U,Thielmann HW,Edler L

更新日期：2003-10-01 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

authors： Naven RT,Louise-May S

更新日期：2015-12-01 00:00:00

abstract：:The effect of Glycyrrhiza glabra extract (GgE) as a natural antioxidant and melatonin (MEL) on ochratoxin A (OTA)-induced histopathological damages on the testes and oxidative stress was evaluated in male rats. The animals were assigned into four groups (n = 8) including control and test groups. The rats in control gr...

journal_title：Human & experimental toxicology

authors： Malekinejad H,Mirzakhani N,Razi M,Cheraghi H,Alizadeh A,Dardmeh F

更新日期：2011-02-01 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

authors： Srivastav AK,Kumar M,Ansari NG,Jain AK,Shankar J,Arjaria N,Jagdale P,Singh D

更新日期：2016-12-01 00:00:00

abstract：:Seafood is considered by nutritionists to be a high source of omega 3 long-chain polyunsaturated fatty acids (n-3 LC-PUFAs) which are involved in prevention of cardiovascular diseases. The aim of the present study is firstly to detect the presence of organochlorine pesticides and heavy metals in some fresh seafood of ...

journal_title：Human & experimental toxicology

authors： Al-Malki AL,Moselhy SS

更新日期：2011-10-01 00:00:00

abstract：OBJECTIVE:Mushroom poisoning is still a significant health-care problem, with the potential to affect blood parameters. The present study analyses the effect of mushroom poisoning on complete blood cell parameters, cell ratios, and cell volume indices and the effect of the mentioned parameters on prognosis/hospital len...

journal_title：Human & experimental toxicology

authors： Doğan M,Karahan I

更新日期：2019-10-01 00:00:00

abstract：:The aim of this study was to investigate the possible protective role of caffeic acid phenethyl ester on testicular toxicity of methotrexate in rats. Nineteen male rats were divided into three groups as follows: group I, control; group II, methotrexate-treated; group III, methotrexate + caffeic acid phenethyl ester-tr...

journal_title：Human & experimental toxicology

authors： Armagan A,Uzar E,Uz E,Yilmaz HR,Kutluhan S,Koyuncuoglu HR,Soyupek S,Cam H,Serel TA

更新日期：2008-07-01 00:00:00

abstract：:Recent studies have proposed the use of low concentrations of phytochemicals and combinations of phytochemicals in chemoprevention to reduce cytotoxicity and simulate normal ingestion through diet. The purpose of the present study was to evaluate whether the DNA damage, chromosome instability, and oxidative stress ind...

journal_title：Human & experimental toxicology

authors： Serpeloni JM,Almeida MR,Mercadante AZ,Bianchi ML,Antunes LM

更新日期：2013-08-01 00:00:00

abstract：:The polybrominated diphenyl ether flame retardants decabromodiphenyl ether (BDE-209) and bisphenol A (BPA) are environmental contaminants that can cross the placenta and exert toxicity in the developing fetal nervous system. Copy number variants (CNVs) play a role in a number of genetic disorders and may be implicated...

journal_title：Human & experimental toxicology

authors： Du L,Sun W,Li XM,Li XY,Liu W,Chen D

更新日期：2018-05-01 00:00:00

abstract：:Changes required for the explicit recognition of hormesis are outlined for both ecotoxicology and ecological risk assessment (ERA). A major research need is the extension of hormesis beyond chemical stressors to abiotic (e.g., habitat) and biotic stressors (e.g., species introductions, organism interactions). An overr...

journal_title：Human & experimental toxicology

authors： Chapman PM

更新日期：2001-10-01 00:00:00

abstract：:Inhalation of zinc fumes may lead to the acute respiratory distress syndrome. The mechanisms of pulmonary zinc toxicity are not yet understood. Therefore we investigated zinc-dependent depression of protein and RNA synthesis in rat and human lung cell lines. 1. After exposure to 120 or 150 micromol/l zinc, RNA synthes...

journal_title：Human & experimental toxicology

authors： Walther UI,Schulze J,Forth W

更新日期：1998-12-01 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：: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

authors： Nielsen VG,Matika RW

更新日期：2017-07-01 00:00:00

abstract：:Alcohol levels were measured in 15 cerebrospinal fluid (CSF) samples and 14 blood samples from grade III and IV male alcoholic patients with signs of nervous system involvement, and compared with levels detected in 11 CSF samples and 11 blood samples from abstemious patients or patients with grade I or II alcoholism w...

journal_title：Human & experimental toxicology

authors： Agapejev S,Vassilieff I,Curi PR

更新日期：1992-05-01 00:00:00

abstract：:Pesticides, including organophosphate (OP), organochlorine (OC), and carbamate (CB) compounds, are widely used in agricultural and indoor purposes. OP and CB act as acetyl cholinesterase (AChE) inhibitors that affect lots of organs such as peripheral and central nervous systems, muscles, liver, pancreas, and brain, wh...

journal_title：Human & experimental toxicology

authors： Karami-Mohajeri S,Abdollahi M

更新日期：2011-09-01 00:00:00

abstract：:Progressive renal dysfunction in 5/6 nephrectomized (NX) rats can be physiologically divided into three stages, coinciding with morphological stages, after definition of physiological parameters for identification of stage. Now, for the establishment of a toxicity screening approach using 5/6 NX rats, our concept, "Di...

journal_title：Human & experimental toxicology

authors： Barata K,Yoshida M,Hokao R,Imai S,Takahashi S,Harada E,Maekawa A

更新日期：2001-02-01 00:00:00

abstract：:In acute respiratory distress syndrome (ARDS), there is extensive overproduction of free radicals to the extent that endogenous anti-oxidants are overwhelmed, permitting oxidative cell damage. The present study examined the benefit of the anti-oxidant compound N-acetylcysteine (NAC) in the management of ARDS by measur...

journal_title：Human & experimental toxicology

authors： Soltan-Sharifi MS,Mojtahedzadeh M,Najafi A,Reza Khajavi M,Reza Rouini M,Moradi M,Mohammadirad A,Abdollahi M

更新日期：2007-09-01 00:00:00

abstract：:Deregulated cancer cell metabolism plays an important role in cancer progression. Cancer cell metabolism has been in the centre of attention in therapeutical cancer cell targeting. Repurposed chemical agents, such as metformin and aspirin, have been studied extensively as preventive and therapeutic agents. Metformin i...

journal_title：Human & experimental toxicology

authors： Albayrak G,Konac E,Dikmen AU,Bilen CY

更新日期：2018-09-01 00:00:00

abstract：:Two studies were performed in order to evaluate cytochrome P450 1A2 mediated caffeine metabolism during different nutritional conditions. 1. In the first study, 23 healthy male non-smokers, mean age 25, changed from a customary mixed diet to a standard diet in 6 days. The 6 day's standard diet was based on bread, pota...

journal_title：Human & experimental toxicology

authors： Kall MA,Clausen J

更新日期：1995-10-01 00:00:00

abstract：BACKGROUND:The widespread use of synthetic cannabinoids (SCs) among youth has become an important public health problem. Several life-threatening side effects of SC have been reported, including cardiovascular, gastrointestinal, neurological, renal, metabolic, ophthalmologic, and pulmonary effects, besides skin toxicit...

journal_title：Human & experimental toxicology

authors： Guler EM,Bektay MY,Akyildiz AG,Sisman BH,Izzettin FV,Kocyigit A

更新日期：2020-11-01 00:00:00

abstract：:Chronic mercury exposure impairs vascular function, leading to the depression of endothelium-dependent vasodilatation. Loss of the nitric oxide (NO) pathway has been implicated, but little is known about effects on other endothelial mediators. This study investigated the mechanisms of endothelial dysfunction in rats s...

journal_title：Human & experimental toxicology

authors： Omanwar S,Ravi K,Fahim M

更新日期：2011-11-01 00:00:00

abstract：:Manganese (Mn) is an essential nutrient required for proper growth and maintenance of numerous biological systems. At high levels it is known to be neurotoxic. While focused research concerning the transport of Mn across the blood-brain barrier (BBB) is on-going, the exact identity of the transporter(s) responsible is...

journal_title：Human & experimental toxicology

authors： Fitsanakis VA,Piccola G,Marreilha dos Santos AP,Aschner JL,Aschner M

更新日期：2007-04-01 00:00:00

abstract：:This report highlights a rare presentation of vitamin B(12) deficiency (concurrent psychotic disorder, seizures and hypertension). A 16-year-old girl presented with nervousness that had been persisting for 2 weeks. She had stopped eating and there was decreased self-care and she could not walk and sleep. Two days prio...

journal_title：Human & experimental toxicology

authors： Dogan M,Ariyuca S,Peker E,Akbayram S,Dogan ŞZ,Ozdemir O,Cesur Y

更新日期：2012-04-01 00:00:00