The implications of hormesis to ecotoxicology and ecological risk assessment.

abstract：:Boophone disticha (B. disticha) has been used systemically in traditional medical practice in Zimbabwe and neighbouring countries for the management of various central nervous system conditions including hysteria. Abuse of the plant by teenagers in Zimbabwe for its claimed hallucinogenic effects has also been reported...

journal_title：Human & experimental toxicology

authors： Gadaga LL,Tagwireyi D,Dzangare J,Nhachi CF

更新日期：2011-08-01 00:00:00

abstract：:Pesticides are used in agriculture to protect crops from insects-pests. Most of the field workers of North Indian population are exposed to commonly used insecticides. In the present study, pesticides induced oxidative stress as well as alterations in the level of acetylcholinesterase (AChE) in a total of 70 male heal...

journal_title：Human & experimental toxicology

authors： Sharma RK,Upadhyay G,Siddiqi NJ,Sharma B

更新日期：2013-11-01 00:00:00

abstract：:1. A modified mouse liver slice culture technique was established and the viability of the system was assessed on the basis of leakage of cytosolic enzymes viz. lactate dehydrogenase (LDH), alkaline phosphatase (ALP), alanine aminotransferase (ALT), aspartic aminotransferase (AST) and slice histology. 2. This system w...

journal_title：Human & experimental toxicology

authors： Bhattacharya R,Rao PV,Bhaskar AS,Pant SC,Dube SN

更新日期：1996-02-01 00:00:00

abstract：:Clinical and experimental studies have shown the adverse effects of excess glucocorticoid on testicular testosterone production. The NADPH co-enzyme has been recognized as an important factor that regulates several steps in steroidogenesis, while glucose oxidation acts as a limiting factor on testicular testosterone p...

journal_title：Human & experimental toxicology

authors： Kavitha TS,Parthasarathy C,Sivakumar R,Badrinarayanan R,Balasubramanian K

更新日期：2006-03-01 00:00:00

abstract：:Experimental studies have shown that prenatal exposure to lead (Pb) produces morphological changes related to extracellular matrix remodelling. To analyse whether the matrix metalloproteinases (MMPs), particularly MMP-2, MMP-9, and the tissue inhibitor of metalloproteinases-2 (TIMP-2), are associated with morphologica...

journal_title：Human & experimental toxicology

authors： González-Puebla E,González-Horta C,Infante-Ramírez R,Sanin LH,Levario-Carrillo M,Sánchez-Ramírez B

更新日期：2012-07-01 00:00:00

abstract：:Acute and chronic arsenic exposure result in toxicity both in human and animal beings and cause many hepatic and renal manifestations. The present study stated that mushroom lectin prevents arsenic-induced apoptosis. Apoptosis was measured by morphological alterations, cell proliferation index (CPI), phagocytic activi...

journal_title：Human & experimental toxicology

authors： Rana T,Bera AK,Das S,Bhattacharya D,Pan D,Bandyopadhyay S,De S,Das SK

更新日期：2011-04-01 00:00:00

abstract：:The majority of breast cancer patients are resistant to chemotherapy or radiotherapy due to the down-regulation or lack of caspase-3 expression. Capsaicin was found to inhibit cancer cell growth in caspase-3-deficient human breast cancer cells. This study aimed to investigate the growth-inhibitive effect of capsaicin ...

journal_title：Human & experimental toxicology

authors： Chang HC,Chen ST,Chien SY,Kuo SJ,Tsai HT,Chen DR

更新日期：2011-10-01 00:00:00

abstract：:In order to assess the effect of arsenic on the male reproductive impairment in mice, 7-week-old animals were exposed to 7.5 mg sodium arsenite (NaAsO(2))/kg body weight, during 35 days (one spermatogenic cycle). One group of animals was sacrificed after exposure, while another group received distilled water for an ad...

journal_title：Human & experimental toxicology

authors： Ferreira M,Matos RC,Oliveira H,Nunes B,Pereira Mde L

更新日期：2012-03-01 00:00:00

abstract：:1. Osmolal and anion gaps are helpful in the diagnosis and evaluation of intoxications with methanol and ethylene glycol. Reported reference values for osmolal gap and anion gap are -1 (+/- 6) mosm kg-1 H2O and 16 (+/- 2) mmol l-1, respectively. However, we have repeatedly found unexplained increased gaps in patients ...

journal_title：Human & experimental toxicology

authors： Aabakken L,Johansen KS,Rydningen EB,Bredesen JE,Ovrebø S,Jacobsen D

更新日期：1994-02-01 00:00:00

abstract：:Oxidative stress has an important role in the pathophysiology of many occupational diseases. In this controlled exposure study, the intensity of oxidative stress biomarkers was assessed in the workers of natural sweet and sour gas refineries (SwGR and SoGR, respectively) and compared with controls. In addition, the ro...

journal_title：Human & experimental toxicology

authors： Mandegary A,Sezavar M,Saeedi A,Amirheidari B,Naghibi B

更新日期：2012-12-01 00:00:00

abstract：:1. This work examines the influence of age on some nephrotoxic signs of gentamicin in normal and diabetic rats (aged 1 and 24 months). 2. Gentamicin (80 mg-1 kg-1 day for 6 days, intramuscularly) produced the typical pattern of nephrotoxicity; significantly increasing the plasma concentrations of creatinine and urea, ...

journal_title：Human & experimental toxicology

authors： Ali BH,Bashir AK,Mugamer IT,Tanira MO

更新日期：1996-01-01 00:00:00

abstract：:Vigabatrin (VGB) is an antiepileptic drug thatincreases brain γ-aminobutyric acid (GABA) levels through irreversible inhibition of GABA transaminase. The aim of this study was to evaluate neurotoxicological effects of VGB measuring motor activity and genotoxic and mutagenic effects after a single and repeated administ...

journal_title：Human & experimental toxicology

authors： Coelho VR,Sousa K,Pires TR,Papke D,Vieira CG,de Souza LP,Leal MB,Schunck R,Picada JN,Pereira P

更新日期：2016-09-01 00:00:00

abstract：:The Na+-taurocholate cotransporting polypeptide (NTCP) acts as the major hepatic basolateral uptake system, and plays a key role in balancing bile flow. The anti-tuberculosis drugs rifampin (RFP) can affect bile flow causing liver injury, while tanshinone IIA (TAN IIA) has the effect of protecting liver. This study ai...

journal_title：Human & experimental toxicology

authors： Yang Y,Liu L,Xu M,Zhang X,Wang L,He Q,Xu M,Jiang X

更新日期：2020-12-14 00:00:00

abstract：:Food-borne botulism is a rare disease that results from ingestion of the toxins produced by Clostridium botulinum. The most common cause of the disease is the consumption of home-canned foods prepared under inappropriate conditions, especially in rural environments. In this report, a food-borne botulism outbreak poten...

journal_title：Human & experimental toxicology

authors： Cengiz M,Yilmaz M,Dosemeci L,Ramazanoglu A

更新日期：2006-05-01 00:00:00

abstract：:1. Human volunteer studies are an essential part of drug development but their use in the area of non-pharmaceutical chemicals has so far been very limited. Such studies can have considerable value in the assessment and improvement of the safe use of chemicals. 2. Once metabolic pathways and target metabolites have be...

journal_title：Human & experimental toxicology

authors： Wilks MF,Woollen BH

更新日期：1994-06-01 00:00:00

abstract：:1. A chronic alcoholic with severe metabolic acidosis presents a difficult diagnostic problem. The most common cause is alcoholic ketoacidosis, a syndrome with a typical history but often misleading laboratory findings. This paper will focus on this important and probably underdiagnosed syndrome. 2. The disorder occur...

journal_title：Human & experimental toxicology

authors： Höjer J

更新日期：1996-06-01 00:00:00

abstract：:A sound understanding of the mechanisms determining percutaneous absorption is necessary for toxicological risk assessment of chemicals contacting the skin. As part of a programme investigating these mechanisms we have developed a physiologically based mathematical model. The structure of the model parallels the multi...

journal_title：Human & experimental toxicology

authors： Auton TR,Westhead DR,Woollen BH,Scott RC,Wilks MF

更新日期：1994-01-01 00:00:00

abstract：:Deregulated cancer cell metabolism plays an important role in cancer progression. Cancer cell metabolism has been in the centre of attention in therapeutical cancer cell targeting. Repurposed chemical agents, such as metformin and aspirin, have been studied extensively as preventive and therapeutic agents. Metformin i...

journal_title：Human & experimental toxicology

authors： Albayrak G,Konac E,Dikmen AU,Bilen CY

更新日期：2018-09-01 00:00:00

abstract：:1. Blood lead levels were examined in 127 housepainters in North Carolina between April and September, 1993. Each participant filled out a questionnaire and gave a blood sample. The questionnaire covered the individual's work history, concentrating on paint-removal activities and personal protection, and also covered ...

journal_title：Human & experimental toxicology

authors： Ennever FK,Zaccaro DJ,Fernando RA,Jones BT

更新日期：1995-05-01 00:00:00

abstract：:Teucrium polium L. (Lamiaceae) is a commonly used medicinal plant in folk medicine. Among several uses, T. polium is used to treat male fertility problems. This research was conducted to study the effect of T. polium on spermatogenesis, testosterone level, androgen receptor expression, and fertility in male rats. Admi...

journal_title：Human & experimental toxicology

authors： Al-Tikriti A,Al-Khateeb E,Abbas MA

更新日期：2017-12-01 00:00:00

abstract：:The objective of the present study was to perform histological and stereological examination of alcohol-induced changes in the optic nerve, considered an extension of white matter of the brain, in rats. This study included 20 male Wistar albino rats aged 60 days and weighing 190-220 g. The rats were divided into three...

journal_title：Human & experimental toxicology

authors： Igit T,Colcimen N

更新日期：2019-05-01 00:00:00

abstract：:Postoperative cognitive dysfunction, which is associated with a wide range of cognitive functions including working memory, long-term memory, information processing, attention, and cognitive flexibility, is a major clinical issue in geriatric surgical patients. The aim of the current study was to determine the protect...

journal_title：Human & experimental toxicology

authors： Liang L,Ma Z,Dong M,Ma J,Jiang A,Sun X

更新日期：2017-12-01 00:00:00

abstract：:In acute respiratory distress syndrome (ARDS), there is extensive overproduction of free radicals to the extent that endogenous anti-oxidants are overwhelmed, permitting oxidative cell damage. The present study examined the benefit of the anti-oxidant compound N-acetylcysteine (NAC) in the management of ARDS by measur...

journal_title：Human & experimental toxicology

authors： Soltan-Sharifi MS,Mojtahedzadeh M,Najafi A,Reza Khajavi M,Reza Rouini M,Moradi M,Mohammadirad A,Abdollahi M

更新日期：2007-09-01 00:00:00

abstract：:In this study, the effect of a combination of vitamin C, vitamin E and selenium on ethanol-induced duodenal mucosal damage in rats was investigated morphologically and biochemically. The duodenal mucosal injury was produced by oral administration of 1 mL of absolute ethanol to each rat. Animals received vitamin C (250...

journal_title：Human & experimental toxicology

authors： Koyuturk M,Bolkent S,Ozdil S,Arbak S,Yanardag R

更新日期：2004-08-01 00:00:00

abstract：:Personal reflections on radiation hormesis for the past 50 years are presented. The causes of ignoring and rejections of this phenomenon by international and national bodies and by radiation protection establishment are analyzed. The opposition against nuclear weapons and preparations for nuclear war was probably the ...

journal_title：Human & experimental toxicology

authors： Jaworowski Z

更新日期：2010-04-01 00:00:00

abstract：:A 20-year-old male who attempted suicide by injecting subcutaneously 10 ml of Sistemin 40 (40% dimethoate) was admitted 16 h later. General weakness, muscular fibrillations and a marked inhibition of red blood cell and serum cholinesterases were the prominent signs of intoxication. The antidotal treatment of intermitt...

journal_title：Human & experimental toxicology

authors： Jovanović D,Randjelović S,Joksović D

更新日期：1990-01-01 00:00:00

abstract：:The objective of this study was to evaluate data retrospectively on accidental ingestion of ethylene glycol (EG), based on calls to the Czech Toxicological Information Centre and from toxicological laboratories, in the years 2000-2004. All patients who ingested a known amount of EG and/or subjects with measured serum ...

journal_title：Human & experimental toxicology

authors： Krenová M,Pelclová D

更新日期：2007-01-01 00:00:00

abstract：:To clarify the reproductive toxicity of polychlorinated biphenyl compounds through determination of testicular lipid peroxidation, reactive oxygen species and enzymatic and non-enzymatic antioxidants in rats exposed to Aroclor 1254. Adult male rats were administered Aroclor 1254 at a dose of 2 mg/kg per day ip for 30 ...

journal_title：Human & experimental toxicology

authors： Murugesan P,Senthilkumar J,Balasubramanian K,Aruldhas MM,Arunakaran J

更新日期：2005-02-01 00:00:00

abstract：:Previous studies have shown that environmental exposure to heavy metals has been related to epigenetic changes, such as DNA methylation in receptors involved in pathogenesis of asthma. One of these receptors is beta-2 adrenergic receptor (ADRB2). We conducted this study to examine the association between blood aluminu...

journal_title：Human & experimental toxicology

authors： Nafea OE,El-Korashi LA,Gehad MH,Yousif YM,Zake LG

更新日期：2020-10-01 00:00:00

abstract：:Cyfluthrin is a pyrethroid insecticide and common household pesticide. The effect of cyfluthrin on Ca2+-related physiology in human osteosarcoma is unclear. This study investigated the effect of cyfluthrin on cytosolic-free Ca2+ concentrations ([Ca2+]i) and viability in MG63 human osteosarcoma cells. Cyfluthrin concen...

journal_title：Human & experimental toxicology

authors： Lu YC,Liang WZ,Kuo CC,Hao LJ,Chou CT,Jan CR

更新日期：2020-09-01 00:00:00