abstract：:The effects of low lead exposure were investigated in 96 children (7-12 years old) living and studying within a 1 km radius of a lead smelter (exposed population) located in Torreón, Coahuila, México, and compared with 30 children living and studying 4.5 km from the same smelter (control population). Both populations ...

journal_title：Human & experimental toxicology

authors： Calderón-Salinas JV,Valdéz-Anaya B,Mazúñiga-Charles,Albores-Medina A

更新日期：1996-04-01 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

authors： Matias WG,Creppy EE

更新日期：1996-03-01 00:00:00

abstract：:1. A modified mouse liver slice culture technique was established and the viability of the system was assessed on the basis of leakage of cytosolic enzymes viz. lactate dehydrogenase (LDH), alkaline phosphatase (ALP), alanine aminotransferase (ALT), aspartic aminotransferase (AST) and slice histology. 2. This system w...

journal_title：Human & experimental toxicology

authors： Bhattacharya R,Rao PV,Bhaskar AS,Pant SC,Dube SN

更新日期：1996-02-01 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：:1. Carbofuran was administered orally to adult male rats at dose levels of 0.1, 0.2, 0.4 or 0.8 mg kg-1 body weight, 5 d wk-1 for 60 days. A dose dependent decrease was observed in body weight of rats treated with 0.2-0.8 mg carbofuran kg-1 body weight. 2. A significant decrease in the weight of epididymides, seminal ...

journal_title：Human & experimental toxicology

authors： Pant N,Prasad AK,Srivastava SC,Shankar R,Srivastava SP

更新日期：1995-11-01 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：: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：:1. The effect of pyridostigmine on cardiorespiratory function after oxime + atropine injection was investigated in tabun poisoned guinea-pigs and without tabun poisoning. 2. The trachea, a carotid artery and jugular vein were cannulated in female urethane-anaesthetised Pirbright-white guinea-pigs. After baseline measu...

journal_title：Human & experimental toxicology

authors： Worek F,Kleine A,Szinicz L

更新日期：1995-08-01 00:00:00

abstract：:1. Six healthy male volunteers received intravenous injections of 26Al as citrate. Accelerator mass spectrometry and gamma-ray spectrometry were used to determine levels of the tracer in blood and excreta at times up to 5-6 d. 2. There was a rapid clearance from blood (mean 2% of injection remaining after 1 d) and maj...

journal_title：Human & experimental toxicology

authors： Talbot RJ,Newton D,Priest ND,Austin JG,Day JP

更新日期：1995-07-01 00:00:00

abstract：:The study was done to find out whether subacute exposure to supercypermethrin forte (SCM) affected cellular and humoral immunity. Groups of 10 male Wistar rats were given SCM by gavage for 28 days at 12.5 mg kg-1 day-1 (1/14 LD50), 8.75 mg kg-1 day-1 (1/20 LD50) and 4.38 mg kg-1 day-1 (1/40 LD50) and the response of s...

journal_title：Human & experimental toxicology

authors： Tulinská J,Kubová J,Janota S,Nyulassy S

更新日期：1995-05-01 00:00:00

abstract：:1. Blood lead levels were examined in 127 housepainters in North Carolina between April and September, 1993. Each participant filled out a questionnaire and gave a blood sample. The questionnaire covered the individual's work history, concentrating on paint-removal activities and personal protection, and also covered ...

journal_title：Human & experimental toxicology

authors： Ennever FK,Zaccaro DJ,Fernando RA,Jones BT

更新日期：1995-05-01 00:00:00

abstract：:1. 26Al and 67Ga were given as citrates to a healthy male volunteer by intravenous injection. The retention of both tracers was studied by body radioactivity measurement. Levels in blood and excreta were determined by gamma-ray spectrometry and/or accelerator mass spectrometry. 2. More than half of the 26Al had left t...

journal_title：Human & experimental toxicology

authors： Priest ND,Newton D,Day JP,Talbot RJ,Warner AJ

更新日期：1995-03-01 00:00:00

abstract：:1. With DTPA as a comparison, the siderophore analogue 3,4,3-LIHOPO has been examined for its ability to remove 228Th nitrate from the rat after subcutaneous (sc) and intramuscular (im) injection to simulate wound contamination. The commencement of treatment was delayed 30 min, 6 h or 1 d and the animals killed at 7 d...

journal_title：Human & experimental toxicology

authors： Stradling GN,Gray SA,Pearce MJ,Wilson I,Moody JC,Burgada R,Durbin PW,Raymond KN

更新日期：1995-02-01 00:00:00

abstract：:1. This study examines the effect of treating rats with gentamicin (80 mg kg-1 day-1 intramuscularly (i.m.), for 6 days) alone or with either L-thyroxine or the anti-thyroid drug carbimazole. 2. Gentamicin produced significant increases in serum creatinine and urea concentrations, and significantly reduced the activit...

journal_title：Human & experimental toxicology

authors： Ali BH,Bashir AA,Tanira MO

更新日期：1995-01-01 00:00:00

abstract：:1. Dettol liquid (chloroxylenol 4.8%, pine oil, isopropyl alcohol), a household disinfectant, has a corrosive action on the gastrointestinal mucosa when swallowed. The incidence of upper gastrointestinal haemorrhage and gastroscopic findings following Dettol poisoning was studied in 89 patients. 2. Five patients (5.6%...

journal_title：Human & experimental toxicology

authors： Chan TY,Sung JJ,Critchley JA

更新日期：1995-01-01 00:00:00

abstract：:The aim of the present investigation was to check the fluctuation in essential elements, such as Na, K, Mg, Mn, Cu, Zn, Cr and Ni in the brain, spinal cord, liver and kidney of mice during methylmercury chloride (MMC) toxication and therapy with monothiols (N-acetyl-DL-homocysteine thiolactone and glutathione) and vit...

journal_title：Human & experimental toxicology

authors： Bapu C,Purohit RC,Sood PP

更新日期：1994-12-01 00:00:00

abstract：:Polychlorinated biphenyls (PCBs) and dioxins are potentially toxic compounds which occur widely in the environment. Their effects on the growth and development of infants at the levels currently found in highly industrialised western countries is not well known. This Dutch multicenter study, combining animal and human...

journal_title：Human & experimental toxicology

authors： Sauer PJ,Huisman M,Koopman-Esseboom C,Morse DC,Smits-van Prooije AE,van de Berg KJ,Tuinstra LG,van der Paauw CG,Boersma ER,Weisglas-Kuperus N

更新日期：1994-12-01 00:00:00

abstract：:1. The methods used to evaluate the toxicological effects of PCBs in animals have been reviewed. 2. The data show that Toxic Equivalency Factors (TEFs) could be developed to assess the potential toxicity of PCB mixtures for certain specific target organ effects (such as the liver and immune system) but would be inappr...

journal_title：Human & experimental toxicology

authors： Battershill JM

更新日期：1994-09-01 00:00:00

abstract：:1. The herbicide, paraquat, is accumulated by the energy-dependent polyamine uptake pathway of alveolar type II cells. There it undergoes redox cycling that results in an amplified production of toxic reactive oxygen species and depletion of NADPH and other reducing equivalents. These processes account for the lung be...

journal_title：Human & experimental toxicology

authors： Chen N,Bowles MR,Pond SM

更新日期：1994-08-01 00:00:00

abstract：:From 1988 to 1991, 732 patients (91.1% Chinese) were admitted to four general medical wards at the Prince of Wales Hospital in Hong Kong with acute poisoning. The patients were predominantly female (68.9%) and relatively young (86.3% below the age of 40). Further analysis of 655 patients indicates that the vast majori...

journal_title：Human & experimental toxicology

authors： Chan TY,Critchley JA,Chan MT,Yu CM

更新日期：1994-07-01 00:00:00

abstract：:1. Human volunteer studies are an essential part of drug development but their use in the area of non-pharmaceutical chemicals has so far been very limited. Such studies can have considerable value in the assessment and improvement of the safe use of chemicals. 2. Once metabolic pathways and target metabolites have be...

journal_title：Human & experimental toxicology

authors： Wilks MF,Woollen BH

更新日期：1994-06-01 00:00:00

abstract：:Male rats were exposed to manganese sulphate i.p. daily for a period of four weeks to see its effects on tissue levels and urinary excretion of total nicotinamide nucleotides (TNN). Increased levels of TNN were observed in blood and brain while the levels were found to be decreased in liver. There was a progressive in...

journal_title：Human & experimental toxicology

authors： Patel AB,Pandya AA

更新日期：1994-05-01 00:00:00

abstract：:1. In humans CaNa2EDTA increases urinary excretion of lead as well as that of essential metals such as zinc, ferrum and manganese but not that of copper. 2. We studied the effect of CaNa2EDTA injection on serum dopamine-beta-hydroxylase, a copper-dependent enzyme, in three male lead welders hospitalized for suspected ...

journal_title：Human & experimental toxicology

authors： De Paris P,Caroldi S

更新日期：1994-04-01 00:00:00

abstract：:1. Alveolar macrophages efficiently phagocytize particles deposited in the alveolar part of the lung. Phagolysosomal pH in alveolar macrophages from rabbits, dogs, baboons and guinea pigs is around 5 pH units. A low pH is of importance for clearance of inorganic particles and probably also for defence against bacteria...

journal_title：Human & experimental toxicology

authors： Nyberg K,Johansson A,Camner P,Johard U,Eklund A

更新日期：1994-03-01 00:00:00

abstract：:1. Osmolal and anion gaps are helpful in the diagnosis and evaluation of intoxications with methanol and ethylene glycol. Reported reference values for osmolal gap and anion gap are -1 (+/- 6) mosm kg-1 H2O and 16 (+/- 2) mmol l-1, respectively. However, we have repeatedly found unexplained increased gaps in patients ...

journal_title：Human & experimental toxicology

authors： Aabakken L,Johansen KS,Rydningen EB,Bredesen JE,Ovrebø S,Jacobsen D

更新日期：1994-02-01 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

authors： Auton TR,Westhead DR,Woollen BH,Scott RC,Wilks MF

更新日期：1994-01-01 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：:As an input to dose assessments, measurements have been made of the clearance of Pu and Am after subcutaneous implantation in rats for six particulate materials and one dust from the Maralinga test sites. The tissue distribution of Pu and Am were measured in groups of six animals at one month and 6 months after implan...

journal_title：Human & experimental toxicology

authors： Harrison JD,Hodgson A,Haines JW,Stather JW

更新日期：1993-07-01 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：:Dimethylacetamide (DMAc) is a skin-penetrating solvent able to induce hepatic damage after chronic exposure. Previous research has indicated that metabolism may be saturated at its present TLV/TWA (10 ppm). Biological monitoring of monomethylacetamide (MMAc), the primary metabolite of DMAc, might therefore underestima...

journal_title：Human & experimental toxicology

authors： Palmen NG,Evelo CT,Borm PJ,Henderson PT

更新日期：1993-03-01 00:00:00

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：:The serial cognitive assessment of ten individuals made between 8 and 26 months after the water at Camelford in Cornwall was accidentally contaminated with aluminium sulphate, showed consistent evidence of impairment of information processing and memory. There was no obvious relationship between these impairments and ...

journal_title：Human & experimental toxicology

authors： McMillan TM,Freemont AJ,Herxheimer A,Denton J,Taylor AP,Pazianas M,Cummin AR,Eastwood JB

更新日期：1993-01-01 00:00:00

abstract：:1. Methylxanthines, ACTH and stress are well known to produce testicular pathology (e.g. seminiferous tubule atrophy). Methylxanthines, ACTH and stress alter hormone secretion, particularly from the pituitary-adrenocortical system. Consequently, it has recently been suggested that there may be a causal relationship be...

journal_title：Human & experimental toxicology

authors： Harvey PW,Er J,Fernandes C,Rush KC,Major IR,Cockburn A

更新日期：1992-11-01 00:00:00

abstract：:1. A study was carried out to find out if digoxin and acipimox interact. 2. Six elderly patients on digoxin were each given acipimox 150 mg three daily for a week, after informed consent. Digoxin and acipimox plasma concentrations and urinary excretion were measured after the first dose of acipimox and after a week of...

journal_title：Human & experimental toxicology

authors： Chijioke CP,Pearson RM,Benedetti S

更新日期：1992-09-01 00:00:00

abstract：:Paraquat poisoning was studied in 174 patients over a 12-month period when a new, low concentration paraquat product (4.5% w/v paraquat ion mixed with 4.5% w/v diquat ion; 63 cases) replaced the original high concentration paraquat product (20% w/v paraquat ion only; 111 cases). In both groups approximately 60% of the...

journal_title：Human & experimental toxicology

authors： Yoshioka T,Sugimoto T,Kinoshita N,Shimazu T,Hiraide A,Kuwagata Y

更新日期：1992-07-01 00:00:00

abstract：:Indomethacin, a non-steroidal anti-inflammatory drug is known to increase the efficacy and toxicity of methotrexate, the widely used anti-cancer drug in man. The mechanism for this interaction has not been clearly established. However, since these drugs bind with albumin, a possible displacement of methotrexate by ind...

journal_title：Human & experimental toxicology

authors： Raveendran R,Heybroek W,Caulfield M,Lawson M,Abrams SM,Wrigley PF,Slevin M,Turner P

更新日期：1992-07-01 00:00:00

abstract：:Exposure of Co631 cells to plutonium leads to increasing cell death depending on the dose and incubation time. The effects, however, are more pronounced with 239Pu, than with 238Pu. Uptake and binding of the two radionuclides during a 5-h incubation are about equal, but 238Pu is lost more rapidly from the cell. There ...

journal_title：Human & experimental toxicology

authors： Boxler C,Rau W,Planas-Bohne F

更新日期：1992-05-01 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：:This report describes two accidents, involving snakes of the Micrurus corallinus species, where compromising respiratory function was not observed and the specific anti-elapidic serum was the single therapy used, and a third incident, probably involving Micrurus frontalis, where neostigmine was used to remedy respirat...

journal_title：Human & experimental toxicology

authors： Coelho LK,Silva E,Espositto C,Zanin M

更新日期：1992-03-01 00:00:00

abstract：:Three patients admitted to the Accident and Emergency Unit of Lagos University Teaching Hospital (LUTH) after eating a cassava based meal 'Gari' died shortly after admission. The patients vomited and complained of abdominal pain immediately after the meal. They were unconscious with renal failure and died of cardiopul...

journal_title：Human & experimental toxicology

authors： Akintonwa A,Tunwashe OL

更新日期：1992-01-01 00:00:00