The lack of genotoxicity of sodium fluoride in a battery of cellular tests.

abstract：:We explored if epigenetic mechanisms could be involved in the down-regulated expression of catalase gene (CAT) in the doxorubicin-resistant acute myelogenous leukemia (AML)-2/DX100 cells. Down-regulated CAT expression in AML-2/DX100 cells was completely recovered after treatment of hydrogen peroxide (H(2)O(2)) and his...

journal_title：Cell biology and toxicology

authors： Lee TB,Moon YS,Choi CH

更新日期：2012-02-01 00:00:00

abstract：:Human tumor cells have properties in vitro or in surrogate hosts that are distinct from those of normal cells, such as immortality, anchorage independence, and tumor formation in nude mice. However, different cells from individual tumors may exhibit some, but not all of these features. In previous years, human tumor c...

journal_title：Cell biology and toxicology

authors： Lee H,Li D,Prior T,Casto BC,Weghorst CM,Shuler CF,Milo GE

更新日期：1997-10-01 00:00:00

abstract：:Previous studies showed that the pesticide lindane (gamma-hexachlorocyclohexane) inhibits gap junction intercellular communication in rat myometrial cells. The present study tested the hypothesis that lindane and the phorbol ester 12-O-tetradecanoylphorbol-13-acetate (TPA) inhibit gap junction communication in rat myo...

journal_title：Cell biology and toxicology

authors： Loch-Caruso R,Galvez MM,Brant K,Chung D

更新日期：2004-05-01 00:00:00

abstract：:The mutation rates of tumor suppressor protein p53 gene (TP53) are high in lung adenocarcinoma and promote the development of acquired drug resistance. The present study evaluated the p53-dependent role in lung cancer cell sensitivity to PI3K-specific inhibitors, PI3K-associated inhibitors, PI3K-non-related inhibitors...

journal_title：Cell biology and toxicology

authors： Hou J,Cao X,Cheng Y,Wang X

更新日期：2020-10-01 00:00:00

abstract：:The mouse skin cocarcinogens fluoranthene, pyrene, and undecane were used with the indirect-acting carcinogen, benzo(a)pyrene (BP), and the direct-acting alkylating carcinogen, beta-propiolactone (BPL), in an in vitro transformation assay. Dose response, cytotoxicity, and transformation studies with these compounds we...

journal_title：Cell biology and toxicology

authors： Atchison M,Atchison ML,Van Duuren BL

更新日期：1985-10-01 00:00:00

abstract：:Quinones are widely distributed in the environment, both as natural products and as pollutants. This paper reports that one of the simplest quinones, 2-methyl-1,4-naphthoquinone (menadione), effectively inhibited apoptosis in the presence of UVA. Menadione suppressed the apoptosis induced by serum depletion and cell d...

journal_title：Cell biology and toxicology

authors： Ibuki Y,Toyooka T,Goto R

更新日期：2006-09-01 00:00:00

abstract：:Echinoderms are valuable test species in marine ecotoxicology and offer a wide range of biological processes appropriate for this approach. Regenerating echinoderms can be regarded as amenable experimental models for testing the effects of exposure to contaminants, particularly endocrine disrupter compounds (EDCs). As...

journal_title：Cell biology and toxicology

authors： Sugni M,Manno V,Barbaglio A,Mozzi D,Bonasoro F,Tremolada P,Candia Carnevali MD

更新日期：2008-12-01 00:00:00

abstract：:We present a simple, noninvasive, nondestructive all-purpose method for the quantitative evaluation of functional effects of xenobiotics with cultured cells and the work station for its routine, easy implementation. At present 1 to 150 cells growing in one to six dishes can be studied in parallel or otherwise at time ...

journal_title：Cell biology and toxicology

authors： Lees D,Pugnère D,Castel A,Raux O,Travo P

更新日期：1994-12-01 00:00:00

abstract：:The goal of cancer eradication has been overshadowed despite the continuous improvement in research and generation of novel cancer therapeutic drugs. One of the undeniable existing problems is drug resistance due to which the paradigm of killing all cancer cells is ineffective. Tumor microenvironment plays a crucial r...

journal_title：Cell biology and toxicology

authors： Kadel D,Zhang Y,Sun HR,Zhao Y,Dong QZ,Qin LX

更新日期：2019-10-01 00:00:00

abstract：:Based on the reduced expression of ethanol-oxidizing enzymes in human hepatocellular carcinoma (HepG2) cells, we analyzed the role of nonoxidative metabolites in ethanol-induced apoptosis in HepG2 cells. For this purpose, an analysis of volatile metabolites of ethanol using ion-mobility spectrometry and gas chromatogr...

journal_title：Cell biology and toxicology

authors： Castaneda F,Zimmermann D,Nolte J,Baumbach JI

更新日期：2007-11-01 00:00:00

abstract：:Knowledge of the acute toxic effects of chemicals is important for the protection of exposed humans. Since sufficient information in humans is often lacking, experiments on laboratory animals must be performed. The LD50 test, which requires large numbers of animals, has become the preferred procedure. It is now widely...

journal_title：Cell biology and toxicology

authors： Zbinden G

更新日期：1986-09-01 00:00:00

abstract：:In order to assess cigarette smoke-induced oxidative damage to intact cells, an assay was developed to measure cell detachment and protection. Due to the complex nature of cigarette smoke, which contains molecules that can interfere with conventional spectrophotometric and fluorometric biochemical assays, transformed ...

journal_title：Cell biology and toxicology

authors： Pelle E,Ingrassia M,Mammone T,Marenus K,Maes D

更新日期：1998-08-01 00:00:00

abstract：:Exposure to compounds with cancer-potentiating effects can contribute to the progression of cancer. Herein we have discovered for the first time that benzophenone-3 (BP-3), a chemical used as sunscreen in various cosmetic products, enhances the ability of lung cancer cells to undergo metastasis. The exposure of the lu...

journal_title：Cell biology and toxicology

authors： Phiboonchaiyanan PP,Busaranon K,Ninsontia C,Chanvorachote P

更新日期：2017-06-01 00:00:00

abstract：:To determine the toxicological effects of complex mixtures of pesticides, we obtained data on 100 pesticide residues in common foods of central Italy. Fifteen pesticides were more regularly detected at higher levels (dithiocarbamates, benomyl/carbendazim, thiabendazole, diphenylamine, chlorthalonil, procymidone, fenar...

journal_title：Cell biology and toxicology

authors： Dolara P,Vezzani A,Caderni G,Coppi C,Torricelli F

更新日期：1993-10-01 00:00:00

abstract：:The study investigates the effect of fenugreek seed polyphenol extract (FPEt) on ethanol-induced damage in rat liver. Chronic ethanol administration (6 g kg(-1) day(-1) x 60 days) caused liver damage that was manifested by excessive formation of thiobarbituric-acid-reactive substances, lipid hydroperoxides, and conjug...

journal_title：Cell biology and toxicology

authors： Kaviarasan S,Sundarapandiyan R,Anuradha CV

更新日期：2008-10-01 00:00:00

abstract：:We assessed the in vitro toxicity of various particles on three murine macrophage cell lines, (J774A.1, WR19M.1, RAW264.7). The cells were exposed to aqueous suspensions (0-100 microg/30 mm2 well) of urban particulate matter (SRM-1648, SRM-1649, EHC-93), fine particulate matter (PM2.5), titanium dioxide (SRM-154b), an...

journal_title：Cell biology and toxicology

authors： Chauhan V,Breznan D,Goegan P,Nadeau D,Karthikeyan S,Brook JR,Vincent R

更新日期：2004-07-01 00:00:00

abstract：:The piperidine nitroxides Tempamine and Tempace have been studied for their effect on doxorubicin (DOX) and hydrogen peroxide (H(2)O(2)) cytotoxicity in immortalized B14 cells, a model for neoplastic phenotype. The significance for nitroxide performance of the substituent in position 4 of the piperidine ring was evalu...

journal_title：Cell biology and toxicology

authors： Czepas J,Koceva-Chyła A,Gwoździński K,Jóźwiak Z

更新日期：2008-01-01 00:00:00

abstract：:Inhibition of endosomal acidification disturbs insulin signaling in both liver and adipose cells. In this study we used MIN6 beta cells to determine whether bafilomycin, a potent inhibitor of the proton-translocating vacuolar ATPase, disrupts insulin signaling in islet beta cells. Pretreatment of MIN6 cells with varyi...

journal_title：Cell biology and toxicology

authors： Hettiarachchi KD,Zimmet PZ,Myers MA

更新日期：2006-05-01 00:00:00

abstract：:The kinetic parameters of inhibition of camel retinal acetylcholinesterase (AChE) activity by cycloheximide (CH) were investigated. For the control system, the Michaelis-Menten constant (K(m)) for the hydrolysis of acetylthiocholine iodide was found to be 0.076 mmol/L and the Vmax was 0.547 mumol/min per mg protein. I...

journal_title：Cell biology and toxicology

authors： al-Jafari AA,Kamal MA,Alhomida AS

更新日期：1998-06-01 00:00:00

abstract：:Deoxynivalenol (DON), nivalenol (NIV), T-2 toxin (T2), fumonisin B1 (FB1), zearalenone (ZEA), and moniliformin (MON) mycotoxins are common food and feed contaminants produced by Fusarium spp. However, while they are usually found to co-occur in a large range of commodities, only few data are available on mycotoxin co-...

journal_title：Cell biology and toxicology

authors： Smith MC,Madec S,Troadec S,Coton E,Hymery N

更新日期：2018-06-01 00:00:00

abstract：:This review summarizes the strategy of cellular immortalization based on the principle of targeted oncogenesis in transgenic mice, used to establish models of transimmortalized renal proximal tubule cells, referred to as PKSV-PCT and PKSV-PR-cells, and collecting duct principal cells, referred to as mpkCCD(cl4) cells....

journal_title：Cell biology and toxicology

authors： Chassin C,Bens M,Vandewalle A

更新日期：2007-07-01 00:00:00

abstract：:The ubiquitin proteasome-proteolytic pathway has emerged as one of the most significant pathways in modulating protein homeostasis under both normal and disease states. The use of proteasome inhibitors (PI) has played a pivotal role in understanding protein turn over. The main objective of this work was to develop a c...

journal_title：Cell biology and toxicology

authors： Keyomarsi K,Efuet ET,Bui TN

更新日期：2011-04-01 00:00:00

abstract：:The mechanism by which lipopolysaccharide (LPS) or phorbol 12-myristate 13-acetate (PMA) induces production of proinflammatory cytokines in murine macrophages, and the role of phosphatidylinositol 3-kinase (PI3-kinase) have not been well investigated. Activation of nuclear factor kappaB (NF-kappaB) is initiated by the...

journal_title：Cell biology and toxicology

authors： Park SJ,Lee SC,Hong SH,Kim HM

更新日期：2002-01-01 00:00:00

abstract：:Initiated/selected (ISH) and normal (NH) rat hepatocytes were used to study cytoskeleton modifications induced by three liver acting chemicals: 2-AAF, a liver complete carcinogen; PB, a liver tumor promoter; and 4-AAF, a non-carcinogen analogue of 2-AAF. Cytoskeleton alterations were visualized by disappearance of F-a...

journal_title：Cell biology and toxicology

authors： Nizard C,Martin M,Decloitre F

更新日期：1993-01-01 00:00:00

abstract：:Okadaic acid (OA), produced by dinoflagellates during harmful algal blooms (HAB), belongs to the Diarrheic Shellfish Poisoning toxins that cause gastrointestinal symptoms in humans after consumption. In the present work, Ruditapes decussatus haemocytes were selected to evaluate the effect of OA on cell viability, enzy...

journal_title：Cell biology and toxicology

authors： Prado-Alvarez M,Flórez-Barrós F,Méndez J,Fernandez-Tajes J

更新日期：2013-06-01 00:00:00

abstract：:Various in vitro preparations have been utilized to study the cellular activity of vasoactive agents on renal cortical microvessels and on mesangial cells. The receptors and the transduction pathways of bradykinin and atrial natriuretic factor were characterized on cultured cortical vascular smooth muscle cells from t...

journal_title：Cell biology and toxicology

authors： Essig M,Ledoux S,Tharaux PL,Chatziantoniou C,Dussaule JC

更新日期：1996-12-01 00:00:00

abstract：:The heat-stable enterotoxin (Y-STa) produced by the pathogenic strains of Yersinia enterocolitica is a causative agent of secretory diarrhea. We have reported earlier that Y-STa-induced inositol trisphosphate-mediated cytosolic calcium rise occurs in rat intestinal epithelial cells. In the present communication, the i...

journal_title：Cell biology and toxicology

authors： Saha S,Chowdhury P,Mazumdar A,Pal A,Das P,Chakrabarti MK

更新日期：2009-06-01 00:00:00

abstract：:Hepatocytes have the ability to go through specialized cell cycles, which, during normal developmental liver growth, result in the formation of binuclear and polyploid cells. In the adult rat liver, the majority of the hepatocytes (about 70%) are tetraploid, 15-20% are octoploid, and only 10-15% are diploid (about 50%...

journal_title：Cell biology and toxicology

authors： Seglen PO

更新日期：1997-07-01 00:00:00

abstract：:A tissue system in which fibroblasts and myocytes from chick embryonic hearts were separately maintained was used to study the toxicity of ethanol. To reproduce the teratogenic effects of acute, high concentrations of ethanol typical of "binge" drinking, an open tissue culture system was employed. With open cultures, ...

journal_title：Cell biology and toxicology

authors： Ni Y,Feng-Chen KC,Hsu L

更新日期：1992-01-01 00:00:00

abstract：:We investigated mitogen-activated protein kinase (MAPK) pathways as well as reactive oxygen species (ROS) in olaquindox-induced apoptosis. Exposure of HepG2 cells to olaquindox resulted in the phosphorylation of p38 MAPK and c-Jun N-terminal kinases (JNK). To confirm the role of p38 MAPK and JNK, HepG2 cells were pret...

journal_title：Cell biology and toxicology

authors： Zhao WX,Tang SS,Jin X,Zhang CM,Zhang T,Wang CC,Sun Y,Xiao XL

更新日期：2013-08-01 00:00:00