نتایج جستجو برای: acute and chronic exposure

تعداد نتایج: 17068453  

Introduction: Stress is a main factor influencing brain functions as revealed by the electroencephalogram (EEG) recordings. Moreover, different stress durations seemingly cause perturbations in brain waves and lead to mental disorders. This study investigates the effects of acute, sub-chronic and chronic stress on EEG in rats.  Methods: Twenty-eight Wistar adult male rats were randomly all...

Journal: :American Journal of Physiology-Renal Physiology 2011

Journal: :iranian journal of toxicology 0
محمد دلیرراد mohammad delirrad forensic medicine and toxicology specialist, food and beverages safety research center, urmia university of medical sciences, urmia, iran. زهرا قاسم پور zahra ghasempour department of food science and technology, urmia university, urmia, iran. حبیب اله حسن زادآذر hassan hassanzadazar department of veterinary, urmia university, urmia, iran. یعقوب روشنی yaghoub roshani experts of food & hygiene control laboratory, deputy for food & drug, urmia university of medical sciences, urmia, iran. دانش محمدی danesh mohammadi experts of food & hygiene control laboratory, deputy for food & drug, urmia university of medical sciences, urmia, iran. شیرین فروزان shirin forouzan experts of food & hygiene control laboratory, deputy for food & drug, urmia university of medical sciences, urmia, iran. امیر رحیمی راد

abstract background: herbal distillates have been used for many centuries as drinks, flavors, and herbal medicine in iran, especially in the city of urmia. recently, some studies claimed the presence of methanol in different types of herbal distillates. methanol is a highly toxic compound which can cause acute or chronic toxicity in humans. acute poisoning with methanol can cause different comp...

Journal: :international journal of infection 0
batool sharifi-mood infectious diseases and tropical medicine research center, zahedan university of medical sciences, zahedan, ir iran ali khajeh children and adolescents health research center, aliebn-e-abitaleb hospital, zahedan university of medical sciences, zahedan, ir iran maliheh metanat infectious diseases and tropical medicine research center, zahedan university of medical sciences, zahedan, ir iran azam rasouli infectious diseases and tropical medicine research center, zahedan university of medical sciences, zahedan, ir iran; infectious diseases and tropical medicine research center, zahedan university of medical sciences, boo-ali hospital, zahedan, ir iran. tel: +98-54133228101-2, fax: +98-54133236722

background meningitis is an inflammation of the membranes, which surround the brain and spinal cord. early treatment of bacterial meningitis can prevent serious complications. in the last two decades, three vaccines have been developed against the three main bacterial species implicated in meningitis of children in western countries and vaccine-preventable invasive bacterial meningitis has decr...

Journal: :journal of research in medical sciences 0
mojgan mortazavi assistant professor of nephrology, isfahan kidney diseases research center, isfahan university of medical sciences, isfahan, iran shiva seirafian assistant professor of nephrology, isfahan kidney diseases research center, isfahan university of medical sciences, isfahan, iran afrooz eshaghian resident of otolaryngology, isfahan kidney diseases research center and student research committee, isfahan university of medical sciences, isfahan, iran maryam ghassami resident of internal medicine, isfahan kidney diseases research center, shahid beheshti university of medical sciences, tehran, iran shahram taheri assistant professor of nephrology, isfahan kidney diseases research center, isfahan university of medical sciences, isfahan, iran abdolamir atapour assistant professor of nephrology, isfahan kidney diseases research center, isfahan university of medical sciences, isfahan, iran

normal 0 false false false en-us x-none ar-sa microsoftinternetexplorer4 background : previous reports have suggested acute phase proteins, such as albumin, to alter in hemodialysis (hd) patients. intravenous l-carnitine supplementation is expected to improve the level of plasma albumin in hd patients. this study was performed to evaluate the effects of oral l-carnitine supplementation on hemog...

Journal: :مجله علوم اعصاب شفای خاتم 0
farideh baghishani department of anatomy and cell biology, school of medicine, mashhad university of medical sciences, mashhad, iran sajad sahab negah a. department of neuroscience, mashhad university of medical sciences, mashhad, iran b. shefa neuroscience research center, khatam alanbia hospital, tehran, iran neda fazaeli javan departman of biology, faculty of science, ferdowsi university of mashhad, mashhad, iran ehsan baghishani islamic azad university, mashhad branch, mashhad, iran

neuroinflammation as a protective mechanism for repairing tissue damage in the central nervous system (cns), has been classified into two types: acute and chronic. it is characterized by the activation of microglia and astrocytes and the increase levels of different chemokines and cytokines. neuroinflammation can be harmful, and it is a common pathological feature in neurodegenerative and psych...

H. Mozdarani, M. Foadi, M. Haghani, M.A. Mosleh-Shirazi, P. Abolghasemi, S. Nematollahi, S. Sharifzadeh, S.M.J. Mortazavi,

Background: Astronauts will be exposed to both chronic space radiation and acute high doses of energetic radiation of solar particle events in long-term deep space missions. The application of radioprotectors in space missions has basic limitations such as their very short time window as well as their acute toxicity and considerable side effects. The aim of the present study was to investigate ...

2014
Mahnaz Taherianfard Saeed Nazifi Zahra Farahani

Article history: Received: 17 May 2013 Accepted: 19 June 2013 Available online: 28 Sep 2013 ZJRMS 2015 Feb; 17(2): 22-26 Background: Leptin is one of the possible mediators of ethanol intake. On the other hand, the concentration of total plasma homocysteine (Hcy) is a well-established indicator for the risk of cardiovascular disease and seems to be related to ethanol consumption. So, the aim of...

Journal: :iranian journal of parasitology 0
m (mina) selseleh dept. of medical parasitology and mycology, school of public health, tehran university of medical sciences, tehran, iran h keshavarz dept. of medical parasitology and mycology, school of public health, tehran university of medical sciences, tehran, iran and center for research of endemic parasites of iran (crepi), tehran university of medical sciences, tehran, iran m mohebali dept. of medical parasitology and mycology, school of public health, tehran university of medical sciences, tehran, iran s shojaee dept. of medical parasitology and mycology, school of public health, tehran university of medical sciences, tehran, iran mh modarressi genetic faculty, school of public health, tehran university of medical sciences, tehran, iran mr eshragian epidemiology and biostatistics department, school of public health, tehran university of medical sciences, tehran, iran

background: the assays currently available for the detection of specific anti- toxoplasma antibodies may vary in their abilities to detect serum immunoglobulins, due to the lack of a purified standardized antigen. the aim of this study was evaluation the recombinant toxoplasma gondii sag1 antigen for the serodiagnosis of acute and chronic toxoplasmosis. methods : this study describes an elisa u...

ژورنال: طب کار 2015
درویش, منیژه , صفدری کشکولی, نرگس , نقاب, مسعود,

Background: Pesticides are chemical compounds used against vectors of human and animal diseases as well as plant pests. This study was undertaken to assess pulmonary reactions, if any, associated with occupational exposure to pesticides. Methods: This was a cross sectional analytical study in which a group of 86 exposed (employees of a pesticide producing company) and 75 unexposed referent sub...

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