Interaction of benzo[c]phenanthridine and protoberberine alkaloids with animal and yeast cells.

abstract：:During the last decade, the unbound glutathione content of cultured adherent cells has become a very important biological marker for many pharmacological and toxicological in vitro studies with regard to the protective role of the tripeptide in its reduced form (GSH). However, the literature does not provide extensive...

journal_title：Cell biology and toxicology

authors： Thioudellet C,Oster T,Leroy P,Nicolas A,Wellman M

更新日期：1995-04-01 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：:Microcystin-leucine-arginine (MC-LR) was produced by toxic cyanobacteria, which has been shown to have potent hepatotoxicity. Our previous study has proved that MC-LR were able to promote intrahepatic biliary epithelial cell excessive proliferation. However, the underlying mechanism is not yet entirely clarified. Here...

journal_title：Cell biology and toxicology

authors： Yan M,Gu S,Pan C,Chen Y,Han X

更新日期：2021-01-21 00:00:00

abstract：:In a comprehensive assessment of genotoxicity, sodium fluoride was evaluated in a battery of cellular tests providing different genetic end points and biotransformation capabilities. The tests included the following: rat hepatocyte primary culture/DNA repair assay, Salmonella typhimurium histidine locus reversion assa...

journal_title：Cell biology and toxicology

authors： Tong CC,McQueen CA,Brat SV,Williams GM

更新日期：1988-06-01 00:00:00

abstract：:The effect of noncytotoxic doses of argemone oil (AO) and butter yellow (BY), the common adulterants in edible oil, on free radical generation and signaling pathway for cell proliferation in primary cells of gall bladder (GB) was undertaken. AO and BY showed no cytotoxicity at 0.1 μl/ml and 0.1 μg/ml concentration, re...

journal_title：Cell biology and toxicology

authors： Mishra V,Ansari KM,Khanna R,Das M

更新日期：2012-06-01 00:00:00

abstract：:Oxidative cell injury could be induced by different reactive oxygen species (ROS) operating in multiple pathways. The present work is focused on three different models of oxidative stress: the xanthine/xanthine oxidase system (XXO), an extracellular superoxide anion generator; tert-butylhydroperoxide (TBHP), an analog...

journal_title：Cell biology and toxicology

authors： Fernandes AS,Serejo J,Gaspar J,Cabral F,Bettencourt AF,Rueff J,Castro M,Costa J,Oliveira NG

更新日期：2010-04-01 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：: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：:The nephrotoxic fungal toxins ochratoxin A (OA), ochratoxin B (OB) and citrinin (CIT) are natural contaminants of foods and feeds. While cytotoxicity assays have proven useful for establishing relative toxicity and structure function relationships within groups of fungal toxins, a drawback of in vitro bioassays is the...

journal_title：Cell biology and toxicology

authors： Bondy GS,Armstrong CL

更新日期：1998-10-01 00:00:00

abstract：:Considering the recent studies that question previously reported cardio-protective effects of estrogen, there is a growing concern that endocrine disruptors may also contribute to the pathology of cardiovascular disease. PCB153 is one of the most commonly found polychlorinated biphenyls, and based on epidemiological s...

journal_title：Cell biology and toxicology

authors： Felty Q

更新日期：2011-02-01 00:00:00

abstract：:The use of normal adult liver hepatocytes in cell culture for biochemical, toxicological and pharmacological studies has been greatly limited owing to the loss of replicative capacity and differentiated liver function. This is contrary to the ability of the liver to regenerate following injury in vivo. This suggests t...

journal_title：Cell biology and toxicology

authors： Gibson-D'Ambrosio RE,Crowe DL,Shuler CE,D'Ambrosio SM

更新日期：1993-10-01 00:00:00

abstract：:The mesothelial cells (MCs) play an important role in the morpho-functional alterations of the peritoneal membrane (PM) undergoing peritoneal dialysis (PD). MCs, through the epithelial-mesenchymal transition process (EMT), progressively acquire a myofibroblast-like phenotype, promoting peritoneal fibrosis (PF) and fai...

journal_title：Cell biology and toxicology

authors： Lupinacci S,Perri A,Toteda G,Vizza D,Puoci F,Parisi OI,Giordano F,Lofaro D,La Russa A,Bonofiglio M,Bonofiglio R

更新日期：2019-04-01 00:00:00

abstract：:Recent findings suggest a functional interaction of the drug resistance enzyme glutathione S-transferase P (GSTP) with the transcription factor Nrf2, a master regulator of the adaptive stress response to cellular electrophiles. The effect of this interaction on the metabolism and redox of cellular thiols was investiga...

journal_title：Cell biology and toxicology

authors： Bartolini D,Giustarini D,Pietrella D,Rossi R,Galli F

更新日期：2020-08-01 00:00:00

abstract：:Glioblastoma (GBM) is the most aggressive type of glioma. Temozolomide (TMZ) is currently the drug of choice used for post-operative chemotherapy of GBM. However, the presence of intrinsic and acquired resistance hinders the success of chemotherapy. To understand the TMZ resistant mechanisms in glioma, we investigated...

journal_title：Cell biology and toxicology

authors： Tomar VS,Patil V,Somasundaram K

更新日期：2020-06-01 00:00:00

abstract：:Although estrogens have been detected in some echinoderm species, their role is not clearly understood; so we examined the effects of estrogens administered to sea urchin embryos and larvae. A typical malformation was exogastrulation, induced by the exposure to ethynylestradiol (EER) in a defined period of 12 h from 1...

journal_title：Cell biology and toxicology

authors： Kiyomoto M,Kikuchi A,Morinaga S,Unuma T,Yokota Y

更新日期：2008-12-01 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：: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：:The effectiveness of some chelating agents to mobilize cadmium from Chinese hamster ovary cells after chronic exposure (20 hr), as well as from cytosolic metallothionein, was studied. In the first protocol, the most effective substance was 2,3-dimercaptopropanol, followed by 2,3-dimercaptopropane-1-sulfonate and 2,3-d...

journal_title：Cell biology and toxicology

authors： Rau W,Planas-Bohne F,Taylor DM

更新日期：1989-01-01 00:00:00

abstract：:Two human hepatoma cell lines, KYN-2 and Mz-Hep-1 were characterized in terms of glucuronidation capacity and inducibility of cytochrome P4501A1/1A2 and several UDP-glucuronosyltransferases (UGTs). Cytochrome P4501A1/1A2 activity was measured using 7-ethoxyresorufin and that of UGTs with 16 different substrates. The e...

journal_title：Cell biology and toxicology

authors： Abid A,Sabolovic N,Magdalou J

更新日期：1996-04-01 00:00:00

abstract：:Bolesatine, a glycoprotein from Boletus satanas Lenz, has previously been shown to be mitogenic in rat and human lymphocytes at very low concentrations, whereas higher concentrations inhibited protein synthesis in vitro and in several in vivo systems. The low concentrations (1-10 ng/ml) of bolesatine were shown to act...

journal_title：Cell biology and toxicology

authors： Ennamany R,Marzetto S,Saboureau D,Creppy EE

更新日期：1995-12-01 00:00:00

abstract：:[Pt(O,O'-acac)(γ-acac)(DMS)] (PtAcacDMS) is a new platinum compound showing low reactivity with nucleobases and specific reactivity with sulfur ligands intracellularly. It induces apoptosis in breast cancer cells, but appears to be less neurotoxic to the developing cerebellum than cisplatin (cisPt). The aim of this st...

journal_title：Cell biology and toxicology

authors： Piccolini VM,Bottone MG,Bottiroli G,De Pascali SA,Fanizzi FP,Bernocchi G

更新日期：2013-10-01 00:00:00

abstract：:Metolachlor, a commonly used herbicide in the Midwestern USA, functions by inhibiting chlorophyll and protein synthesis in target plants. Herbicide exposure has led to detrimental effects in several organisms, affecting their growth and behavior; however, its mechanism of action in nontarget organisms is not yet clear...

journal_title：Cell biology and toxicology

authors： Lowry DM,Greiner D,Fretheim M,Ubben M,Dhanwada KR

更新日期：2013-08-01 00:00:00

abstract：:2,2'-Dichlorodiethyl sulfide (sulfur mustard, HD, 1,1'-thiobis [2-chloroethane]) is a potent vesicant which can cause severe lesions to skin, lung, and eyes. Due to the high number of debilitating exposures during the Iran-Iraq war to the alkylating agent, HD, there is an increased interest in its mechanism of action ...

journal_title：Cell biology and toxicology

authors： Meier HL

更新日期：1996-06-01 00:00:00

abstract：:In pharmaceutical research, in vitro toxicity tests, for assessing the potential toxicity of new chemical entities are necessary in the early stages of the developmental process, when no information is available about the metabolism or even the target organ toxicity of the compounds to be tested. In vitro specific org...

journal_title：Cell biology and toxicology

authors： Negro GD,Bonato M,Gribaldo L

更新日期：2001-01-01 00:00:00

abstract：:The histopathological response and cell culture characteristics of liver cells from the R16 (grc-) strain of rats, which carries an MHC-linked deletion, were examined one week after a single intraperitoneal injection of 200 mg/kg body weight diethylnitrosamine (DEN) and were compared with the response of liver cells f...

journal_title：Cell biology and toxicology

authors： Smith GJ,Kunz HW,Dunsford HA,Gill TJ 3rd

更新日期：1990-04-01 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：:Adverse effect of nanoparticles may include impairment of phagocyte function. To identify the effect of nanoparticle size on uptake, cytotoxicity, chemotaxis, cytokine secretion, phagocytosis, oxidative burst, nitric oxide production and myeloperoxidase release, leukocytes isolated from human peripheral blood, monocyt...

journal_title：Cell biology and toxicology

authors： Prietl B,Meindl C,Roblegg E,Pieber TR,Lanzer G,Fröhlich E

更新日期：2014-02-01 00:00:00

abstract：:Generating large amounts of recombinant protein in transgenic animals is often challenging and has a number of drawbacks compared to cell culture systems. The baculovirus expression vector system (BEVS) uses virus-infected insect cells to produce recombinant proteins to high levels, and these are usually processed in ...

journal_title：Cell biology and toxicology

authors： Hitchman RB,Possee RD,Crombie AT,Chambers A,Ho K,Siaterli E,Lissina O,Sternard H,Novy R,Loomis K,Bird LE,Owens RJ,King LA

更新日期：2010-02-01 00:00:00

abstract：:An in vitro human nasal model was developed as a tool to study the local tolerability of nasal powder forms using excised nasal mucosa in a diffusion chamber. The suitability of this model was tested using Sandostatin (SMS) an octapeptide analog of somatostatin, as a reference drug enhanced by Avicel (microcrystalline...

journal_title：Cell biology and toxicology

authors： de Fraissinette A,Kolopp M,Schiller I,Fricker G,Gammert C,Pospischil A,Vonderscher J,Richter F

更新日期：1995-10-01 00:00:00

abstract：:We have previously synthesized various diazenecarboxamides (subsequently referred to as diazenes) that were cytotoxic to several tumor cell lines. To increase their biological activity, the structure has been modified appropriately. In the present study we examined the effects of N(1)-phenyl-N(2)-(2-pyridinylmethyl)di...

journal_title：Cell biology and toxicology

authors： Jakopec S,Dubravcic K,Brozovic A,Polanc S,Osmak M

更新日期：2006-01-01 00:00:00