2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD) induces microglial nitric oxide production and subsequent rat primary cortical neuron apoptosis through p38/JNK MAPK pathway.

abstract：:The effects of triethyl lead chloride (TEL) on the expression of two detoxication enzyme families, glutathione S-transferases (GSTs) and NAD(P)H:quinone oxidoreductase (QR) were determined in rat liver and kidney. Fischer 344 rats were given one intraperitoneal (i.p.) injection of TEL. GST activity, GST isoenzyme leve...

journal_title：Toxicology

authors： Daggett DA,Nuwaysir EF,Nelson SA,Wright LS,Kornguth SE,Siegel FL

更新日期：1997-02-14 00:00:00

abstract：:In a Japanese chemical factory, a lung disease like pneumoconiosis appeared at a high rate among workers handling cross-linked water-soluble acrylic acid polymer (CWAAP). To our knowledge, no such case was known in the world until very recently. The present study was designed to elucidate the effect of single intratra...

journal_title：Toxicology

authors： Suka M,Kido T,Yoshioka W,Hachisuka E,Okoshi H,Yamauchi T,Hano H,Okano T,Yokoyama M,Yanagisawa H

更新日期：2021-01-30 00:00:00

abstract：:In this study, some biochemical features and the extent of inhibition induced by the organophosphorous pesticide azinphos-methyl on the cholinesterase (ChE) activity present in whole soft tissue of two freshwater invertebrate species, the gastropod Biomphalaria glabrata and the oligochaete Lumbriculus variegatus were ...

journal_title：Toxicology

authors： Kristoff G,Guerrero NV,de D'Angelo AM,Cochón AC

更新日期：2006-05-15 00:00:00

abstract：:Although NO2-induced cytotoxic responses have been well characterized, the specific mechanisms responsible for initiating toxicity remain equivocal. The inhomogeneous distribution of epithelial injury suggests that differential interactions between NO2 and the lung surfaces may contribute to the extent of regional res...

journal_title：Toxicology

authors： Postlethwait EM,Bidani A

更新日期：1994-05-20 00:00:00

abstract：:Oxybutynin hydrochloride, an anti-cholinergic/anti-spasmodic agent, was examined for its effect on fertility and peri-post natal development in the rat and its embryotoxic potential in the rat and rabbit. In the rat effects on reproductive performance included a slight increase in the incidence of foetal malformations...

journal_title：Toxicology

authors： Edwards JA,Reid YJ,Cozens DD

更新日期：1986-07-01 00:00:00

abstract：:In the present investigation the influence of gossypol on the male sex function and toxicology in the rat have been studied. Gossypol was injected daily for 5 weeks to adult male rats of the Sprague-Dawley strain with 1 or 10 mg/kg body wt. The low dose of gossypol (1 mg/kg body wt.) did not have any effect on the fol...

journal_title：Toxicology

authors： Gåfvels M,Wang J,Bergh A,Damber JE,Selstam G

更新日期：1984-09-28 00:00:00

abstract：:The effects of thallous cation (Tl(+)) on: (a) the production of oxidant species and (b) membrane fluidity were evaluated in human leukemia T cells (Jurkat). After 72 h of incubation in the presence of Tl(+) (5-100 microM), no significant changes in cell viability were observed, although the average cell size was decr...

journal_title：Toxicology

authors： Verstraeten SV

更新日期：2006-05-01 00:00:00

abstract：:Static and rotary cultures of adult rabbit hepatocytes can be produced reproducibly following their isolation by means of a simplified, inexpensive recycling perfusion system. Light and electron microscopic examination of the cultures showed that these hepatocytes retained the morphological characteristics of fully di...

journal_title：Toxicology

authors： Poole A,Chasseaud LF,Bridges JW

更新日期：1982-01-01 00:00:00

abstract：:Epidemiological studies in humans and experimental work in rodents suggest that exposure to 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD), a persistent environmental toxicant, is associated with incidence of heart disease. Although TCDD toxicity depends by and large on the aryl hydrocarbon receptor (AHR), the role of the...

journal_title：Toxicology

authors： Kurita H,Carreira VS,Fan Y,Jiang M,Naticchioni M,Koch S,Rubinstein J,Puga A

更新日期：2016-04-29 00:00:00

abstract：:It is accepted practice in presenting organ weight data to express the results relative to the animal's body weight. The data presented suggest that in rats no benefits are obtained from this method either in reducing the variability of the data or in removing bias due to different body weights. By using simulated dat...

journal_title：Toxicology

authors： Stevens MT

更新日期：1976-03-01 00:00:00

abstract：:It is reported that gambogic acid (GA), the main active compound of gamboge which is a dry resin extracted from Garcinia hanburyi tree, has potent antitumor activity both in vivo and in vitro. Activation of mitochondrial apoptotic pathway in cancer cells is one effective therapy for cancer treatment. In the present st...

journal_title：Toxicology

authors： Nie F,Zhang X,Qi Q,Yang L,Yang Y,Liu W,Lu N,Wu Z,You Q,Guo Q

更新日期：2009-06-16 00:00:00

abstract：:Chemicals can increase carcinogenic risk by either directly damaging DNA or increasing cell replication or they can do both. These effects have different implications for a biologically-based extrapolation from rodent bioassays to humans. 2-Acetylaminofluorene (2-AAF) administered at low doses to mice for a lifetime h...

journal_title：Toxicology

authors： Cohen SM

更新日期：1995-09-01 00:00:00

abstract：:This review concerns some of the cell culture systems that are most frequently used in toxicology investigations. In particular, it sets out to evaluate the effectiveness of these cell culture systems in assessing the toxic potential of chemicals. Metabolic studies and general and specific toxicology investigations ar...

journal_title：Toxicology

authors： Stammati AP,Silano V,Zucco F

更新日期：1981-01-01 00:00:00

abstract：:The objective of this study was to observe whether 1.8 GHz microwaves (MW) (SAR, 3 W/kg) exposure can influence human lymphocyte DNA damage induced by ultraviolet ray C (UVC). The lymphocytes, which were from three young healthy donors, were exposed to 254 nm UVC at the doses of 0.25, 0.5, 0.75, 1.0, 1.5 and 2.0 J m(-...

journal_title：Toxicology

authors： Baohong W,Lifen J,Lanjuan L,Jianlin L,Deqiang L,Wei Z,Jiliang H

更新日期：2007-04-11 00:00:00

abstract：:Toluene is a widely abused inhaled solvent. This study was designed to determine whether toluene abuse affects the reproductive functions or general health of males. Seven-week-old male Sprague-Dawley rats were exposed to toluene vapor inhalation (0, 4000, or 6000 ppm; 2 h/day) daily for 5 weeks. Exposure-related supp...

journal_title：Toxicology

authors： Ono A,Kawashima K,Sekita K,Hirose A,Ogawa Y,Saito M,Naito K,Yasuhara K,Kaneko T,Furuya T,Inoue T,Kurokawa Y

更新日期：1999-12-06 00:00:00

abstract：:It is widely believed that the nigrostriatal toxicity of MPTP is due to its oxidation by brain monoamine oxidase first to MPDP+, and eventually to MPP+. Following uptake by the synaptic dopamine reuptake system, it is concentrated in the matrix of striatal mitochondria by an energy-dependent carrier, energized by the ...

journal_title：Toxicology

authors： Singer TP,Ramsay RR,McKeown K,Trevor A,Castagnoli NE Jr

更新日期：1988-04-01 00:00:00

abstract：:A recent epidemiological study showed an increased risk for bone fractures after chronic low-level cadmium exposure. This finding agrees with those of cadmium accumulation in rat bones after chronic oral exposure which reduced the mechanical strength of the bones. There are indications that ossicular cadmium uptake ma...

journal_title：Toxicology

authors： Hunder G,Javdani J,Elsenhans B,Schümann K

更新日期：2001-02-21 00:00:00

abstract：:A 20-year-old man on oral substitution of pancreatic enzymes after hemipancreatectomy injected an enzyme preparation of fungal origin intravenously after dissolving it in water. Within a few hours chills, headache, nausea and vomiting, fever of 40.8 degrees C, and shock occurred. The acute illness might have been caus...

journal_title：Toxicology

authors： Seitz R,Adler G,Koop I,Koop H,Egbring R

更新日期：1989-04-01 00:00:00

abstract：:Unfortunately, the principal routine toxicology methods employed for the safety assessment of new products are over 40 years old and rely primarily on histopathological evaluation. It is difficult to introduce newer immunotoxicology or molecular toxicology methods into toxicity assessment without extensive and time co...

journal_title：Toxicology

authors： Dean JH

更新日期：1997-04-11 00:00:00

abstract：:The therapy of organophosphorus compound (OP) poisoning is still a challenge to clinical toxicologists. To alleviate peripheral respiratory failure oximes, e.g. obidoxime and pralidoxime, are used to reactivate inhibited acetylcholinesterase (AChE) with the intention to restore the disturbed neuromuscular function. In...

journal_title：Toxicology

authors： Thiermann H,Eyer P,Worek F

更新日期：2010-06-04 00:00:00

abstract：:Clarifying the participation of oxidative stress among possible contributing factors in potassium bromate (KBrO(3))-induced carcinogenesis is of importance from the perspective of human health protection. In the present study, utilizing the antioxidative effects of alpha-tocopherol (alpha-TP) or sodium ascorbic acid (...

journal_title：Toxicology

authors： Umemura T,Tasaki M,Kijima A,Okamura T,Inoue T,Ishii Y,Suzuki Y,Masui N,Nohmi T,Nishikawa A

更新日期：2009-03-04 00:00:00

abstract：:Little is known about the potential toxicity of polybrominated diphenyl ethers (PBDEs) on hepatic and renal tissues. In this study, we investigated the modifications in endogenous antioxidant capacity and oxidative damage in liver and kidney of rats by exposure to one of the most persistent PBDE congeners, the 2,2',4,...

journal_title：Toxicology

authors： Albina ML,Alonso V,Linares V,Bellés M,Sirvent JJ,Domingo JL,Sánchez DJ

更新日期：2010-04-30 00:00:00

abstract：:A single intraperitoneal injection of 10(-6.5) mol lanthanum chloride/g body wt (44 mg metal/kg body wt) into pregnant mice reduced the number of successful pregnancies and the average litter size. The most susceptible periods of pregnancy were peri-implantation (days 4 and 6) and near-term period (days 14 and 16). In...

journal_title：Toxicology

authors： Abramczuk JW

更新日期：1985-03-29 00:00:00

abstract：:We provide an overview of the functional interrelationship between genes and proteins related to DNA repair by homologous recombination and cell cycle regulation in relation to the progression and therapy resistance of human tumours. To ensure the high-fidelity transmission of genetic information from one generation t...

journal_title：Toxicology

authors： Henning W,Stürzbecher HW

更新日期：2003-11-15 00:00:00

abstract：:The effects of di-(2-ethylhexyl)adipate (DEHA) have been compared in female F344 rats and female B6C3F1 mice fed diets containing 0-4.0% DEHA and 0-2.5% DEHA, respectively, for periods of 1, 4 and 13 weeks. In both the rat and mouse treatment with DEHA at all time points produced a dose-dependent increase in relative ...

journal_title：Toxicology

authors： Lake BG,Price RJ,Cunninghame ME,Walters DG

更新日期：1997-12-05 00:00:00

abstract：:The overall purpose of this study was to investigate how airborne house dust particles may contribute to an allergic immune response, and thereby also to asthma and other respiratory symptoms. The following aims were set: first, to quantify and characterize indoor suspended particulate matter (SPM) with regard to amou...

journal_title：Toxicology

authors： Ormstad H

更新日期：2000-11-02 00:00:00

abstract：:The usefulness of measuring serum bile acid concentrations by RIA in a number of acute experimental liver injuries of rats was assessed by comparing the concentrations with the results of some of the routinely employed methods of examining hepatotoxic changes. Centrilobular liver cell injury produced by CCl4 revealed ...

journal_title：Toxicology

authors： Gopinath C,Prentice DE,Street AE,Crook D

更新日期：1980-01-01 00:00:00

abstract：:Utah Valley has provided an interesting and unique opportunity to evaluate the health effects of respirable particulate air pollution (PM10). Residents of this valley are predominantly nonsmoking members of the Church of Jesus Christ of Latter-day Saints (Mormons). The area has moderately high average PM10 levels with...

journal_title：Toxicology

authors： Pope CA 3rd

更新日期：1996-07-17 00:00:00

abstract：:This study was undertaken to investigate whether treatment with vitamin E (VE) and/or vitamin C (VC) protects rat sperm by inhibiting reactive oxygen species generation induced by lead (Pb) exposure. Male Sprague-Dawley rats were assigned to the following five groups: vitamin-unsupplemented; 150 mg VE/kg chow suppleme...

journal_title：Toxicology

authors： Hsu PC,Liu MY,Hsu CC,Chen LY,Guo YL

更新日期：1998-07-17 00:00:00

abstract：:Because occupational hazards of small-scale industries were severe and the occupational health management lagged behind in Shanghai, we selected some districts as experimental units to explore a model of community management and service for the occupational health in small-scale industries for controlling occupational...

journal_title：Toxicology

authors： Wei L,Shi-Da W

更新日期：2004-05-20 00:00:00