Pyrroloquinoline quinone-conferred neuroprotection in rotenone models of Parkinson's disease.

abstract：:The antioxidant activity of genistein is associated with preventing atherosclerosis; however, the underlying mechanisms are not fully understood. In this study, human umbilical vein endothelial cells (HUVECs) were pretreated with genistein at different concentrations (10nM, 100nM and 1000nM) for 6h and then exposed to...

journal_title：Toxicology letters

authors： Zhang H,Zhao Z,Pang X,Yang J,Yu H,Zhang Y,Zhou H,Zhao J

更新日期：2017-08-05 00:00:00

abstract：:Human steroid sulfatase (STS) plays an important role in regulating the formation of biologically active estrogens and may be a promising target for treating estrogen-mediated carcinogenesis. The molecular mechanism of STS gene expression, however, is still not clear. Growth factors are known to increase STS activity ...

journal_title：Toxicology letters

authors： Sung CH,Im HJ,Park N,Kwon Y,Shin S,Ye DJ,Cho NH,Park YS,Choi HK,Kim D,Chun YJ

更新日期：2013-11-25 00:00:00

abstract：:Chromium (Cr) is widely used in industry, making its toxicity a matter of concern. Although hexavalent Cr [Cr(VI)] can promote cancer cell proliferation in several cancers, there is little evidence implicating Cr(VI) in cancer cell migration, especially in prostate cancer. We show that the Cr concentration is higher i...

journal_title：Toxicology letters

authors： Zhang C,Cai K,Feng Q,Xu Y,Zhang Z

更新日期：2019-01-01 00:00:00

abstract：:The effects of vitamin C on acute paracetamol poisoning were studied in mice. Given orally at 50, 100 or 200 mg/kg, either simultaneously or 2 h after the oral administration of 875 mg/kg of paracetamol, vitamin C did not cause any decrease in the mortality rate. In similar conditions in previous experiments methionin...

journal_title：Toxicology letters

authors： Romero-Ferret C,Mottot G,Legros J,Margetts G

更新日期：1983-08-01 00:00:00

abstract：:To understand the underlying mechanism for apoptosis induced by titanium dioxide nanoparticles (TNP), human airway epithelial cell line was cultured to investigate the relevant apoptosis pathways. Our results showed that the levels of reactive oxygen species and morphological apoptosis increased in a dose-dependent ma...

journal_title：Toxicology letters

authors： Shi Y,Wang F,He J,Yadav S,Wang H

更新日期：2010-06-16 00:00:00

abstract：:Effects of isoflavones on estrogen sensitive tissues are discussed controversially. This study was designed to investigate tissue specific effects of an isoflavone exposure through different periods of life in female Wistar rats and to compare the effects of genistein (GEN) to those of mixed dietary isoflavones, GEN a...

journal_title：Toxicology letters

authors： Hertrampf T,Ledwig C,Kulling S,Molzberger A,Möller FJ,Zierau O,Vollmer G,Moors S,Degen GH,Diel P

更新日期：2009-12-15 00:00:00

abstract：:It is well known that dichlorodiphenyltrichloroethane (DDT) is used as an insecticide and prevents many people in the tropical zone from devastating malaria. On the other hand, a number of reports have indicated that it may act as an endocrine disruptor and also has possible carcinogenic effects. However, the effects ...

journal_title：Toxicology letters

authors： Shinomiya N,Shinomiya M

更新日期：2003-02-03 00:00:00

abstract：:Doxorubicin (DOXO) is an anthracycline antibiotic which is used in the treatment of human malignancies such as leukemia, lymphoma and a number of solid tumors, particularly breast cancer. Anthracyclines have been reported to contaminate chemotherapy workstation surfaces as well as other workplaces surfaces. The occupa...

journal_title：Toxicology letters

authors： Boccellino M,Pedata P,Castiglia L,La Porta R,Pieri M,Quagliuolo L,Acampora A,Sannolo N,Miraglia N

更新日期：2010-08-16 00:00:00

abstract：:Hypoxia-inducible factor-1alpha (HIF-1alpha) and aryl hydrocarbon receptor (AhR) both require dimerization with AhR nuclear translocator (ARNT) to initiate transcription of their respective target genes. It has been proposed that competition for ARNT results in decreased targeting of AhR to cytochrome P450 1A1 (CYP1A1...

journal_title：Toxicology letters

authors： Allen JW,Johnson RS,Bhatia SN

更新日期：2005-01-15 00:00:00

abstract：:A 13-week subchronic toxicity study of thiamphenicol (TAP) was performed in F344 rats. The minimum lethal dose was estimated to be greater than 10 g/kg body weight, when a single dose of 4-10 g/kg of TAP was given orally. In the subchronic toxicity study, groups of 12 F344 rats of each sex were given solutions contain...

journal_title：Toxicology letters

authors： Ando J,Ishihara R,Imai S,Takano S,Kitamura T,Takahashi M,Yoshida M,Maekawa A

更新日期：1997-04-28 00:00:00

abstract：:Toxic industrial chemicals are used throughout the world to produce everyday products such as household and commercial cleaners, disinfectants, pesticides, pharmaceuticals, plastics, paper, and fertilizers. These chemicals are produced, stored, and transported in large quantities, which poses a threat to the local civ...

journal_title：Toxicology letters

authors： Holmes WW,Keyser BM,Paradiso DC,Ray R,Andres DK,Benton BJ,Rothwell CC,Hoard-Fruchey HM,Dillman JF,Sciuto AM,Anderson DR

更新日期：2016-02-26 00:00:00

abstract：:Risk assessment of xenobiotics is a qualitative and quantitative assessment of toxic properties conventionally based on data resulting from tests in animals exposed to the substance. The assessment of dose-effect relationship includes evaluation of exposure at the site of action. More recently, emphasis is put on unde...

journal_title：Toxicology letters

authors： Heinrich-Hirsch B,Madle S,Oberemm A,Gundert-Remy U

更新日期：2001-03-31 00:00:00

abstract：:Several pesticides used as herbicides, insecticides and fungicides are known to be endocrine disrupting chemicals (EDCs). In three pair-matched studies we found changes in sex hormone concentrations and T-lymphocytes in relation to acute and chronic pesticide exposure. After acute exposure, 1 day later the concentrati...

journal_title：Toxicology letters

authors： Straube E,Straube W,Krüger E,Bradatsch M,Jacob-Meisel M,Rose HJ

更新日期：1999-06-30 00:00:00

abstract：:Low concentrations of arachidonic acid monoepoxides protect against ischemia/reperfusion injury. This study examined whether low concentrations of the linoleic acid monoepoxide, cis-12,13-epoxy-9-octadecenoic acid (12,13-EOA), protect renal cells against decreases in mitochondrial and transport functions induced by hy...

journal_title：Toxicology letters

authors： Nowak G,Grant DF,Moran JH

更新日期：2004-03-01 00:00:00

abstract：:Due to the specific antimicrobial activity of silver nanoparticles (AgNPs), they are widely used in wound dressings, coatings in medical devices and household products. In spite of the well-documented genotoxicity of AgNPs, the molecular mechanisms of relieving AgNP-induced DNA damage stress remain poorly understood. ...

journal_title：Toxicology letters

authors： Wang D,Yang H,Zhou Z,Zhao M,Chen R,Reed SH

更新日期：2018-05-15 00:00:00

abstract：:There is experimental and epidemiological evidence demonstrating that polycyclic aromatic hydrocarbons (PAHs) are involved in the pathogenesis of cardiovascular diseases. However, heterocyclic amines (HAs), a class of carcinogenic compounds present in food, which share many biochemical features with PAHs, have not rec...

journal_title：Toxicology letters

authors： Lopez-Mendez C,Bermudez-Fajardo A,Ioannides C,Oviedo-Orta E

更新日期：2009-03-10 00:00:00

abstract：:The brominated flame retardant (BFR) hexabromocyclododecane was tested in a one-generation reproduction assay in Wistar rats, enhanced for endocrine parameters. A solution of the compound in corn oil was mixed in the feed, targeting at dietary exposure of 0-0.1-0.3-1-3-10-30-100 mg/kg body weight/day (mkd) in parental...

journal_title：Toxicology letters

authors： van der Ven LT,van de Kuil T,Leonards PE,Slob W,Lilienthal H,Litens S,Herlin M,Håkansson H,Cantón RF,van den Berg M,Visser TJ,van Loveren H,Vos JG,Piersma AH

更新日期：2009-02-25 00:00:00

abstract：:An in vivo intestinal perfusion technique was used to measure the absorption rates of five Cr compounds in black ducks. Cr was absorbed from saline solutions of KCr(SO4)2 and CrO3 at a rate about 1.5 to 2.0 times greater than from solutions of Cr, Cr(NO3)3, and Cr(C5H7O2)3. These results suggest the ionic form of Cr i...

journal_title：Toxicology letters

authors： Eastin WC Jr,Haseltine SD,Murray HC

更新日期：1980-08-01 00:00:00

abstract：:Asthma is a common chronic inflammatory disease which severely reduces the quality of life in patients. Studies have demonstrated that both PM2.5 and cold stress contribute to the development of asthma. However, the combined effects of these two risking factors are unknown. In this study, we investigated the combined ...

journal_title：Toxicology letters

authors： Zhou J,Geng F,Xu J,Peng L,Ye X,Yang D,Zhao J,Sun Q

更新日期：2019-11-01 00:00:00

abstract：:This study was conducted to evaluate whether vitamin C (VC) was associated with total antioxidant status (TAS) in human plasma and to determine the usefulness of VC on TAS in the treatment of patients with paraquat poisoning. VC and TAS were measured in 56 healthy subjects. Then, various concentrations (1-100 mg/dl) o...

journal_title：Toxicology letters

authors： Hong SY,Hwang KY,Lee EY,Eun SW,Cho SR,Han CS,Park YH,Chang SK

更新日期：2002-01-05 00:00:00

abstract：:Occupational and environmental exposure to pesticides has been associated with thyroid dysfunction, particularly changes in circulating thyroid hormone levels (T3, T4) and thyroid stimulating hormone (TSH). This study assessed the association between environmental exposure to pesticides and the risk of developing thyr...

journal_title：Toxicology letters

authors： Requena M,López-Villén A,Hernández AF,Parrón T,Navarro Á,Alarcón R

更新日期：2019-10-15 00:00:00

abstract：:Cytotoxicity in terms of haemolytic potency in vitro of eight surfactants failed to correlate with in vivo rabbit eye irritancy. Ability of the same surfactants to block spontaneous contractions of mouse and rabbit isolated ileum (especially the latter), correlated better with in vivo findings in rabbit eyes. Effectiv...

journal_title：Toxicology letters

authors： Muir CK,Flower C,Van Abbé NJ

更新日期：1983-08-01 00:00:00

abstract：:Cholestasis represents pathophysiologic syndromes defined as impaired bile flow from the liver. As an outcome, bile acids accumulate and promote hepatocyte injury, followed by liver cirrhosis and liver failure. Glycochenodeoxycholic acid (GCDCA) is relatively toxic and highly concentrated in bile and serum after chole...

journal_title：Toxicology letters

authors： Lan W,Chen Z,Chen Y,Tan M,Chen Y,Chen J,Chi X,Chen Y

更新日期：2020-10-01 00:00:00

abstract：:Induction of endotoxin tolerance in rats led to reductions in bile flow and BSP excretion. BSP serum retention or storage of BSP in the liver was not affected. Although serum alanine aminotransferase (ALT) activity was slightly elevated in endotoxin-tolerant rats, the levels of serum aspartate amino-transferase (AST) ...

journal_title：Toxicology letters

authors： Boelsterli UA,Abernathy CO,Balazs T,Zimmerman HJ

更新日期：1982-05-01 00:00:00

abstract：:Manganese (Mn) is an essential trace element required for normal function and development. However, exposure to this metal at elevated levels may cause manganism, a progressive neurodegenerative disorder with neurological symptoms similar to idiopathic Parkinson's disease (IPD). Elevated body burdens of Mn from exposu...

journal_title：Toxicology letters

authors： Stephenson AP,Schneider JA,Nelson BC,Atha DH,Jain A,Soliman KF,Aschner M,Mazzio E,Renee Reams R

更新日期：2013-04-26 00:00:00

abstract：:After toxicological studies with nitrate/nitrite in rats it was observed with nuclear magnetic resonance that N-methylnicotinamide (NMN), a metabolite of tryptophan was increased. The use of NMN as a biomarker for nitrate/nitrite exposure was investigated further in additional experiments with rats and in a human stud...

journal_title：Toxicology letters

authors： Jansen EH,van den Berg RH,Boink AB,Hegger C,Meulenbelt J

更新日期：1995-05-01 00:00:00

abstract：:Guinea pigs could be immunologically sensitised (as shown by the development of antigen-specific homocytotropic antibodies) to toluene diisocyanate by exposing them for 3 h a day for 5 consecutive days to atmospheres containing free chemical. Pulmonary reactions could be elicited in many of the sensitised animals by c...

journal_title：Toxicology letters

authors： Botham PA,Hext PM,Rattray NJ,Walsh ST,Woodcock DR

更新日期：1988-05-01 00:00:00

abstract：:Localization of specific mRNA and protein molecules within cells and tissues can provide important information on the effects of a drug within a biological test system and help elucidate mechanisms of drug-induced toxicity and organ dysfunction. The most widely used techniques for measuring the cellular and tissue dis...

journal_title：Toxicology letters

authors： Kind CN

更新日期：2000-03-15 00:00:00

abstract：:Lanthanides, because of their diversified physical and chemical effects, have been widely used in a number of fields. As a result, more and more lanthanides are entering into the environment and eventually accumulated in human body. Recently, a new medicine, lanthanum carbonate (Fosrenol), has been used to treat chron...

journal_title：Toxicology letters

authors： Feng L,Xiao H,He X,Li Z,Li F,Liu N,Zhao Y,Huang Y,Zhang Z,Chai Z

更新日期：2006-08-20 00:00:00

abstract：:The effect of salicylate, the active metabolite of aspirin (acetyl salicylic acid) in the presence of Ca2+ and phosphate on mitochondrial permeability transition (MPT) was studied. MPT is often associated with opening of a Ca2+ -induced pore. The opening of this pore leads to swelling, loss of mitochondrial membrane p...

journal_title：Toxicology letters

authors： Al-Nasser IA

更新日期：1999-03-08 00:00:00