Temozolomide induces activation of Wnt/β-catenin signaling in glioma cells via PI3K/Akt pathway: implications in glioma therapy.

abstract：:Uranium is a natural radioactive metallic element; its effect on the organism is cumulative, and chronic exposure to this element can induce carcinogenesis. Three cities of the Amazon region-Monte Alegre, Prainha, and Alenquer-in North Brazil, are located in one of the largest uranium mineralization areas of the world...

journal_title：Cell biology and toxicology

authors： Guimarães AC,Antunes LM,Ribeiro HF,dos Santos AK,Cardoso PC,de Lima PL,Seabra AD,Pontes TB,Pessoa C,de Moraes MO,Cavalcanti BC,Sombra CM,Bahia Mde O,Burbano RR

更新日期：2010-10-01 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：:Harmful algal blooms (HABs) can have both lethal and sublethal impacts on shellfish. To understand the possible roles of haemocytes in bivalve immune responses to HABs and how the algae are affected by these cells (haemocytes), in vitro tests between cultured harmful algal species and haemocytes of the northern quahog...

journal_title：Cell biology and toxicology

authors： Hégaret H,da Silva PM,Wikfors GH,Haberkorn H,Shumway SE,Soudant P

更新日期：2011-08-01 00:00:00

abstract：:Cd2+ provokes inositol trisphosphate production and releases stored Ca2+, apparently by binding to a zinc site in the external domain of an orphan receptor. One microM Cd2+ evokes an immediate spike in cytosolic free Ca2+, which is similar to that evoked by bradykinin. Platelet-derived growth factor (PDGF) also increa...

journal_title：Cell biology and toxicology

authors： Lyu RM,Smith JB

更新日期：1993-04-01 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：:Cellular accumulation of mono(2-ethylhexyl)phthalate (MEHP) has been recently demonstrated to disturb fat cell energy metabolism; however, the underlying mechanism remained unclear. The study aimed to determine how MEHP influenced fat cell transcriptome and how the changes might contribute to bioenergetics. Because of...

journal_title：Cell biology and toxicology

authors： Chiang HC,Wang CH,Yeh SC,Lin YH,Kuo YT,Liao CW,Tsai FY,Lin WY,Chuang WH,Tsou TC

更新日期：2017-12-01 00:00:00

abstract：:Owing to the excellent antibacterial and antiviral activity, silver nanoparticles have a widespread use in the food and pharmaceutical industries. With the increase in the production and use of the related products, the potential hazard of silver nanoparticles has aroused public attention. The main purpose of this stu...

journal_title：Cell biology and toxicology

authors： Li L,Bi Z,Hu Y,Sun L,Song Y,Chen S,Mo F,Yang J,Wei Y,Wei X

更新日期：2020-05-04 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：: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：: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：: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：OBJECTIVES:LncRNAs (long noncoding RNAs) have been reported to critically regulate colorectal cancer (CRC). We prospectively investigated effects and mechanisms of lncRNA LINC00858 on regulation of CRC progression. METHODS:Expression of LINC00858 and its target were analyzed by quantitative real-time polymerase chain ...

journal_title：Cell biology and toxicology

authors： Zhan W,Liao X,Chen Z,Li L,Tian T,Yu L,Li R

更新日期：2020-08-01 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：: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：: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：:Male albino rats with diabetes induced by the administration of streptozotocin (STZ) (45 mg/kg, i.v.) were treated with oral administration of diphenyl diselenide (DPDS) pre-dissolved in soya bean oil. A significant reduction in blood glucose levels was observed in STZ-induced diabetic rats treated with DPDS compared ...

journal_title：Cell biology and toxicology

authors： Kade IJ,Borges VC,Savegnago L,Ibukun EO,Zeni G,Nogueira CW,Rocha JB

更新日期：2009-08-01 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：:To select an insert suitable for human umbilical vein endothelial cell (HUVEC) culture, we compared several available inserts of 0.2 to 0.45 micron porosity: Cellagen (ICN), Transwell-COL (Costar), Millicell-HA and CM (Millipore), Anopore (Nunc), Cyclopore (Falcon) in comparison with a control surface (Thermanox). The...

journal_title：Cell biology and toxicology

authors： Villars F,Conrad V,Rouais F,Lefebvre F,Amédée J,Bordenave L

更新日期：1996-12-01 00:00:00

abstract：:S-(chloroethyl)-cysteine (CEC) and S-(1,2-dichlorovinyl)-cysteine (DCVC) have been proposed as intermediates in the metabolic transformation of the carcinogens 1,2-dichloroethane and 1,1,2-trichloroethylene. We have tested the ability of CEC and DCVC to induce DNA repair and genotoxic effects at the chromosomal level ...

journal_title：Cell biology and toxicology

authors： Vamvakas S,Dekant W,Schiffmann D,Henschler D

更新日期：1988-12-01 00:00:00

abstract：:Because sodium fluoride (NaF) is widely used for prevention of dental caries, pathobiological effects of NaF were investigated on human oral mucosal fibroblasts. The results showed that NaF was cytotoxic to oral mucosal fibroblasts at concentrations of 4 mmol/L or higher. Exposure of cells to NaF for 2 h also inhibite...

journal_title：Cell biology and toxicology

authors： Jeng JH,Hsieh CC,Lan WH,Chang MC,Lin SK,Hahn LJ,Kuo MY

更新日期：1998-12-01 00:00:00

abstract：:The effects of the oxidizing agent t-butylhydroperoxide (t-BHP) were investigated on three human cell lines of different origin and growth features (A431 epithelial cells, ADF astrocytoma cells and U937 leukemic cells) using electron microscopy and electron paramagnetic resonance spectroscopy. The results indicate tha...

journal_title：Cell biology and toxicology

authors： Malorni W,Rainaldi G,Rivabene R,Santini MT

更新日期：1994-08-01 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：:The mutagenic activity of the pyrolysis products 2-amino-3-methyl-imidazo[4,5-f]-quinoline 2-amino-3,4-dimethylimidazo[4,5-f]-quinoline in Salmonella typhimurium TA98 using rat intestinal and renal subcellular fractions as activation systems was approximately 1 and 5 revertants per nmol, respectively. This was 1,000 t...

journal_title：Cell biology and toxicology

authors： Holme JA,Alexander J,Dybing E

更新日期：1987-03-01 00:00:00

abstract：:Asiatic acid (AA), a triterpene, is known to be cytotoxic to several tumor cell lines. AA induces dose- and time-dependent cell death in U-87 MG human glioblastoma. This cell death occurs via both apoptosis and necrosis. The effect of AA may be cell type-specific as AA-induced cell death was mainly apoptotic in colon ...

journal_title：Cell biology and toxicology

authors： Cho CW,Choi DS,Cardone MH,Kim CW,Sinskey AJ,Rha C

更新日期：2006-11-01 00:00:00

abstract：:One of the major objectives at the end of this century is the development of "alternative" tests for the evaluation of the pharmacological and/or toxicological activity of newly developed molecules. Contact allergy is no exception to the rule and many research programs have been started to develop in vitro techniques ...

journal_title：Cell biology and toxicology

authors： Lepoittevin JP

更新日期：1999-02-01 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：:In vitro directional migration of 10T1/2 fibroblasts is partially inhibited by TPA but not by its non-promoting analogues. Other tumor promoters, e.g., phenobarbital, saccharin, and benzoylperoxide had no measurable effect when added in concentrations known to affect in vitro two-step transformation or intercellular c...

journal_title：Cell biology and toxicology

authors： Verschueren H

更新日期：1985-06-01 00:00:00

abstract：:Rats chronically exposed to acrylonitrile (ACN) have shown a dose-dependent increase in the incidence of astrocytomas in the brain. The mechanism(s) by which ACN induces cancer in rodents has not been established. ACN does not appear to be directly genotoxic in the brain and thus a nongenotoxic mode of action has been...

journal_title：Cell biology and toxicology

authors： Kamendulis LM,Jiang J,Zhang H,deFeijter-Rupp H,Trosko JE,Klaunig JE

更新日期：1999-06-01 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：:Skin intoxication by bis(beta-chloroethyl)sulfide (BCES; sulfur mustard) induces cutaneous lesions similar to thermal burns, characterized by slowness of skin healing. We have developed an in vitro model of skin equivalent to investigate mechanisms involved in this delay. Direct intoxication of dermal equivalent produ...

journal_title：Cell biology and toxicology

authors： Gentilhomme E,Reano A,Pradel D,Bergier J,Schmitt D,Neveux Y

更新日期：1998-02-01 00:00:00