Cytological and histological effects of pesticide chlorpyriphos in the gills of Anabas testudineus.

abstract：:Dicyclohexylcarbodiimide (DCC) and diisopropylcarbodiimide (DIC) are two commonly used coupling reagents in protein synthesis resulting in exposure of individuals in chemical and pharmaceutical industries as well as research laboratories involved in protein synthesis and recombinant DNA techniques. The objectives of t...

journal_title：Drug and chemical toxicology

authors： Hayes BB,Gerber PC,Griffey SS,Meade BJ

更新日期：1998-05-01 00:00:00

abstract：:Experimental and clinical data relevant for the evaluation of the carcinogenic potential of the immunosuppressant ciclosporin are reviewed. Ciclosporin binds reversibly to the cytosolic receptor protein ciclophilin. Ciclophilin is likely involved in the blockade of lymphocyte activation-induced gene transcription of v...

journal_title：Drug and chemical toxicology

authors： Ryffel B,Mihatsch MJ,Fisher GL

更新日期：1992-01-01 00:00:00

abstract：:A 1-year chronic toxicity study was conducted in which rhesus monkeys (4/sex/dose) were given daily doses of 0, 3, 10, or 25 mg zatosetron/kg by nasogastric intubation. Clinical signs of toxicity characterized by salivation, diarrhea or soft stools, and/or emesis occurred in animals that received 10 or 25 mg/kg of zat...

journal_title：Drug and chemical toxicology

authors： Bendele A,Means J,Shoufler J,Schmalz C,Hanasono G,Symanowski J,Adams E

更新日期：1995-02-01 00:00:00

abstract：:Aluminum (Al)-induced toxicity in fruit fly (Drosophila melanogaster) is one of the established models for studying neurotoxicity and neurodegenerative diseases. Alkaloid phytochemicals have been reported to exhibit neuroprotective effects. Therefore, the aim of this study is to determine the effect of alkaloid extrac...

journal_title：Drug and chemical toxicology

authors： Adedayo BC,Ogunsuyi OB,Akinniyi ST,Oboh G

更新日期：2020-01-03 00:00:00

abstract：:Previous work has suggested that endogenous sulfhydryls, such as glutathione (GSH) and cysteine, are involved in the uptake and toxicity of HgCl2. To study this possibility, uptake and toxicity of synthesized Hg(SG)2, Hg(cysteinylglycine)2 [Hg(CYS-GLY)2] and Hg(CYS)2 were investigated in rabbit renal proximal tubule s...

journal_title：Drug and chemical toxicology

authors： Wei H,Qiu L,Divine KK,Ashbaugh MD,McIntyre LC Jr,Fernando Q,Gandolfi AJ

更新日期：1999-05-01 00:00:00

abstract：:Transient global ischemia continues to be an important clinical problem with limited treatment options. The present study aimed to investigate the possible protective effects of celecoxib [a selective cyclooxygenase (COX-2) inhibitor] and N-omega-nitro-L-arginine methyl ester (L-NAME) [a nonselective nitric oxide synt...

journal_title：Drug and chemical toxicology

authors： Abd El-Aal SA,El-Sawalhi MM,Seif-El-Nasr M,Kenawy SA

更新日期：2013-10-01 00:00:00

abstract：:Nonsteroidal anti-inflammatory drugs (NSAIDs) such as aspirin, celecoxib, and etoricoxib are reported to act as chemopreventive agents in experimental colon cancer induced by 1,2-dimethylhydrazine (DMH) as they are known cyclooxygenase (COX) enzyme inhibitors. To determine whether NSAIDs can also effectively modulate ...

journal_title：Drug and chemical toxicology

authors： Kanwar SS,Vaiphei K,Nehru B,Sanyal SN

更新日期：2007-01-01 00:00:00

abstract：CONTEXT:Crack cocaine is an illicit drug derived from cocaine, in which use and abuse have increased around the world, especially in developing countries. OBJECTIVES:The aim of this study was to evaluate genomic damage in multiple organs of mice following acute exposure to crack cocaine. For this purpose, single cell ...

journal_title：Drug and chemical toxicology

authors： Yujra VQ,Moretti EG,Claudio SR,Silva MJ,Oliveira Fd,Oshima CT,Ribeiro DA

更新日期：2016-10-01 00:00:00

abstract：:Chrysin (CH) is a natural flavone which possesses antioxidant, anti-cancer, and anti-inflammatory properties. The aim of the present study was to investigate the effects of CH on biochemical parameters, histopathological changes, and genotoxicity and hematological indices in diazinon (DZN)-induced toxicity in BALB/c m...

journal_title：Drug and chemical toxicology

authors： Zeinali M,Meybodi NT,Rezaee SA,Rafatpanah H,Hosseinzadeh H

更新日期：2018-07-01 00:00:00

abstract：:The objective of this study was to determine if single/double strand DNA breaks could be induced by monocrotophos (organophosphorus pesticide) in mice in vivo using the comet assay. Mice were dosed orally with 0.046, 0.093, 0.186, 0.373 and 0.746 mg/kg body weight of monocrotophos, and the assay was performed on whole...

journal_title：Drug and chemical toxicology

authors： Mahboob M,Rahman MF,Danadevi K,Banu BS,Grover P

更新日期：2002-02-01 00:00:00

abstract：:The cytotoxic effect of caffeine on heart cells was evaluated in primary cultures of rat heart muscle (M) and endothelioid (E) cells. The cultures were exposed to 5, 10, or 20 mM caffeine for 6, 12, or 24 hours. As an index of cytotoxicity produced by the treatments, in situ changes in mitochondrial membrane fragility...

journal_title：Drug and chemical toxicology

authors： Acosta D,Anuforo D

更新日期：1977-01-01 00:00:00

abstract：:Male Sprague-Dawley rats were administered cadmium chloride 0, 50, 100, 150 and 200 ppm for 30 days. At the end of the treatments, the body weight gains, serum glucose, serum protein, serum glutamic oxalacetic transaminase (SGOT) and serum glutamic pyruvic transaminase (SGPT) were determined. Renal and hepatic key glu...

journal_title：Drug and chemical toxicology

authors： Chapatwala KD,Rajanna B,Desaiah D

更新日期：1980-01-01 00:00:00

abstract：:Cis-1,2-dichloroethylene was administered daily by corn oil gavage to male and female Sprague-Dawley rats at the following dose levels: 1.0, 3.0, 10.0 and 22.0 mmol/kg/day for 14 days. Doses gavaged during the 90-day subchronic study were 0.33, 1.00, 3.00 and 9.00 mmol/kg/day. There were no compound-related deaths or ...

journal_title：Drug and chemical toxicology

authors： McCauley PT,Robinson M,Daniel FB,Olson GR

更新日期：1995-05-01 00:00:00

abstract：:The responses of atria isolated from four groups of rats: (a) control (air/H2O) and test animals treated with (b) 5 PPM nitrogen dioxide NO2 for 72 hours, (NO2/H2O), (c) 10% ethanol (ET) in water for 13 days, (air/ET), or (d) combination of NO2 and ET (NO2/ET). Isolated atria were tested with norepinephrine and dose r...

journal_title：Drug and chemical toxicology

authors： Early J,McGrath J,Messiha FS,Hughes MJ

更新日期：1983-01-01 00:00:00

abstract：:Exposure to aldehydes represents potential risks to human and animal health. Cyclic aldehydes such as benzaldehyde, 2-furaldehyde, and paraldehyde were found to induce formation of stable DNA-protein cross-links (DPXs) in cultured human lymphoma cells. A relationship between increased cytotoxicity and DPX formation wa...

journal_title：Drug and chemical toxicology

authors： Kuykendall JR,Jarvi EJ,Finley BL,Paustenbach DJ

更新日期：2007-01-01 00:00:00

abstract：:Pyridoxal isonicotinoyl hydrazone (PIH) is a highly effective iron chelator. Acute toxicity testing was performed in mice and rats of both sexes, with 10 mice or rats/sex/group. The LD50 values of PIH in both species were 5 and 1 g/kg given orally and intraperitoneally, respectively. Microscopic examination of tissues...

journal_title：Drug and chemical toxicology

authors： Sookvanichsilp N,Nakornchai S,Weerapradist W

更新日期：1991-01-01 00:00:00

abstract：:The Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) and the National Oil and Hazardous Substances Pollution Contingency Plan (NCP) mandate protection of public health, welfare, and the environment at Superfund hazardous waste sites. The NCP requires lead response agenciesto integrate bas...

journal_title：Drug and chemical toxicology

authors： Fritz AT,Buchman MF

更新日期：1997-11-01 00:00:00

abstract：:The effect of a novel phosphorothionate, the methyl ester of 2-butenoic acid-3-diethoxy phosphinothioyl (RPR-II) was studied on membrane bound target enzymes Acid (AcP) and Alkaline (AkP) Phosphatases in different tissues of male and female albino Wistar rats. Three sub-chronic doses 0.014 (low), 0.028 (medium) and 0....

journal_title：Drug and chemical toxicology

authors： Rahman MF,Siddiqui MK,Jamil K

更新日期：2000-08-01 00:00:00

abstract：INTRODUCTION:Liver fibrosis is the excessive accumulation of extracellular matrix (ECM) proteins including collagen that occurs in most types of chronic liver diseases. This study aimed to investigate and compare the therapeutic efficacy of different magnesium (Mg)-containing supplements (formulations A, B, and C) on c...

journal_title：Drug and chemical toxicology

authors： El-Tantawy WH,Sabry D,Abd Al Haleem EN

更新日期：2017-01-01 00:00:00

abstract：:Various antioxidants play an important role in reducing the reactive oxygen species (ROS) by scavenging them directly or indirectly. Mercury (Hg) is one of the known hazardous genotoxicant, induces the genotoxicity by enhancing the ROS. In the present study, three structurally different bioactive compounds such as mel...

journal_title：Drug and chemical toxicology

authors： Patel TA,Rao MV

更新日期：2015-10-01 00:00:00

abstract：:The intoxication of insecticides such as bifenthrin and diazinon has been reported to generate free radicals, and thereby alter the antioxidant defense system in erythrocytes. The present study is aimed to investigate the protective effects of acetone (DA) and methanolic (DM) extracts of lichen Dirinaria consimilis ag...

journal_title：Drug and chemical toxicology

authors： Tatipamula VB,Kukavica B

更新日期：2020-05-12 00:00:00

abstract：:Antioxidant activity of Acacia salicina extracts was determined by the ability of each extract to inhibit lipid peroxidation, to protect against DNA strand scission induced by hydroxyl radicals, and to scavenge the free radical, 2,2'-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) (ABTS(*+)). The IC(50) values of t...

journal_title：Drug and chemical toxicology

authors： Bouhlel I,Bhouri W,Limem I,Boubaker J,Nefatti A,Skandrani I,Ben Sghaier M,Kilani S,Ghedira K,Chekir Ghedira L

更新日期：2009-01-01 00:00:00

abstract：:The purpose of this research was to evaluate the efficacy of carsil (CAR) either alone or in combination with α-tocopherol (α-TOCO) and/or turmeric (TUMR) against tetrachloromethane (TCM)-induced cardiomyocyte injury in rats. Administration of CAR either alone or in combination with α-TOCO and/or TUMR post-TCM injecti...

journal_title：Drug and chemical toxicology

authors： Alshanwani AR,Faddah LM,Hagar H,Alhusaini AM,Shaheen S,Mohammad RA,Alharbi FMB,AlHarthii A,Badr AM

更新日期：2020-10-15 00:00:00

abstract：:Suppression of mitogen-induced splenocyte lymphoproliferation and interleukin 2 (IL-2) production can be used as indicators of immunotoxicity. Staphylococcal enterotoxin A (SEA) is both a potent mitogen and the most potent in vitro inducer of IL-2 production that has been described. An in vitro system was used to meas...

journal_title：Drug and chemical toxicology

authors： Reid LL,Hastings KL,Gandolfi AJ,Van Ert M

更新日期：1994-01-01 00:00:00

abstract：:Amiodarone is a high effectiveness anti-arrhythmia agent which is able to induce pulmonary fibrosis. Many studies have shown that the epithelial-mesenchymal transition (EMT) was a significant process in pulmonary fibrosis. So far, there are no studies about whether EMT was associated with amiodarone-induced pulmonary ...

journal_title：Drug and chemical toxicology

authors： Weng J,Chen H,Wu H,Tu M,Wang Z,Chen D,Wang Z,Chen C

更新日期：2020-07-01 00:00:00

abstract：:Diterpene alkaloids (DAs) have a broad spectrum of pharmacological activities, but exhibiting extremely serious cardiotoxicity to induce arrhythmia, heart arrest, even death. This study aimed to evaluate the cardiotoxicity of three diester diterpene alkaloids (DDAs) including aconitine (AC), mesaconitine (MAC), hypaco...

journal_title：Drug and chemical toxicology

authors： Ye Q,Liu H,Fang C,Liu Y,Liu X,Liu J,Zhang C,Zhang T,Peng C,Guo L

更新日期：2019-03-21 00:00:00

abstract：:This paper discusses the merits and disadvantages of a specific proposal for a numerical calculation of the reference dose (RfD) with explicit recognition of both uncertainty and variability. It is suggested that the RfD be the lower (more restrictive) value of: The daily dose rate that is expected (with 95% confidenc...

journal_title：Drug and chemical toxicology

authors： Hattis D,Baird S,Goble R

更新日期：2002-11-01 00:00:00

abstract：:Chemical pretreatment is effective against a 2 LD50 challenge of soman, sarin or VX or a 5 LD50 challenge of tabun. Chemical pretreatment followed by post challenge therapy should be effective against greater levels of agent. Such tests in guinea pigs are reported here; pretreatment regimens (PRGs) consisted of physos...

journal_title：Drug and chemical toxicology

authors： Lennox WJ,Harris LW,Anderson DR,Solana RP,Murrow ML,Wade JV

更新日期：1992-01-01 00:00:00

abstract：:The purposes of this study was to determine the toxicological effect of repeated intravenous administration of Activin A/BMP-2 chimera (AB204) in beagle dogs for a long period of four weeks and evaluate two-week recovery. AB204 was administered at doses of 0.08, 0.16, or 0.32 mg/kg/day to three male and three female b...

journal_title：Drug and chemical toxicology

authors： Han SH,Zheng GB,Lee JH

更新日期：2019-03-18 00:00:00

abstract：:This study investigated the effect of Thyme (Thymus vulgaris) leaf aqueous extract (TE) on purine and acetylcholine hydrolyzing enzyme activities and antioxidant status in the brain of 5-fluorouracil (5-FLU) administered rats. Sixty adult Wistar rats (210-225 g) were divided into Ten groups (n = 6). Group 1: received ...

journal_title：Drug and chemical toxicology

authors： Adefegha SA,Oyeleye SI,Akintemi A,Okeke BM,Oboh G

更新日期：2020-01-01 00:00:00