نتایج جستجو برای: acute stress

تعداد نتایج: 913138  

Journal: :avicenna journal of phytomedicine 0
houshang najafi medical biology research center, kermanshah university of medical sciences, kermanshah, iran. saeed changizi ashtiyani department of physiology, school of medicine, arak university of medical sciences, arak, iran. sayed abolhasan sayedzadeh department of nephrology, emam reza hospital, kermanshah university of medical sciences, kermanshah, iran. zeynab mohamadi yarijani medical biology research center, kermanshah university of medical sciences, kermanshah, iran. sajad fakhri school of pharmacy, kermanshah university of medical sciences, kermanshah, iran.

objectives: curcumin has anti-inflammatory and antioxidative properties. the objective of this study was to investigate the therapeutic effects of curcumin on functional disturbances, oxidative stress, and leukocyte infiltration induced by renal ischemia/reperfusion (i/r). materials and methods: animals were randomly divided into 9 groups. the groups with 24-h reperfusion consisted of sham-24h,...

Introduction: Severe stressful events are associated with the risk of mental disorders such as depression and anxiety. Due to the negative effects of anti-anxiety drugs, researcher’s attention have been focused on finding natural ingredients. The aim of the present study was to investigate the effect of oleuropein on anxiety induced by acute stress in male rats. Materials and Methodes: To induc...

Journal: :iranian journal of veterinary research 2014
f. gurdogan e. balıkçı a. yıldız

the aim of this study is to investigate antioxidant enzymes, oxidative stress biomarkers and the acute phase proteins levels for subclinical and clinical pregnancy toxemia and to determine the effect of early diagnosis on the success of curing. according to the results of clinical and biochemical parameters, from 39 ewes, 10 were healthy ewes (control group), 13 ewes had subclinical pregnancy t...

Journal: :iranian biomedical journal 0
بهاره نقی زاده bahare naghizadeh محمد طاهر بروشکی mohammad taher boroushaki ناصر وحدتی مشهدیان nasser vahdati mashhadian سید محمد تقی منصوری seyed mohammad taghi mansouri

background. the major side effect of cisplatin, used in some tumours, is nephrotoxicity. reactive oxygen species and oxidative damage are the most important factors in cisplatin-induced acute renal failure. the main purpose of this study is to investigate the protective effects of crocin against cisplatin-induced acute renal failure and oxidative stress in rat. methods. in this study, animals w...

ارمی, الهه, اژدری‌زرمهری, حسن, حیدری‌اورنجقی, نیما , صالحی, بقیه ا... , صوفی‌آبادی, محمد , قاسمی, المیرا , مهدی‌پور, حبیب ا... ,

  Background and Objectives : Acute and chronic stress induces hormonal and neuronal changes which affect both pain threshold and nociceptive behaviors. But the effect of acute and chronic immobilization stress on formalin induced nociceptive behaviors are unknown. Therefore, this study evaluated the effects of acute and chronic immobilization stress formalin test on the male rat.   Material an...

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: :physiology and pharmacology 0
nahid sarahian dept. of biology, islamic azad university, north tehran branch, tehran, iran hedayat sahraei neuroscience research center, baqiyatallah (a.s.) university of medical sciences, tehran, iran homeira zardooz dept. of physiology, school of medicine, shahid beheshti university of medical sciences, tehran, iran hengameh ali-beik dept. of biology, islamic azad university, north tehran branch, tehran, iran bahareh sadeghi dept. of biology, islamic azad university, north tehran branch, tehran, iran taherehsadat javadifar neuroscience research center, baqiyatallah (a.s.) university of medical sciences, tehran, iran

introduction: in this study, the effect of memantine administration into the nucleus accumbens on the metabolic changes induced by acute stress in female mice was evaluated. methods: intra-accumbens unilateral or bilateral canulation was performed. one week after recovery, a group of animals were given memantine (1, 0.5, and 0.1 μg/mouse) five min before stress induction intra-accumbally, and t...

Journal: :caspian journal of internal medicine 0
mehdi gholami mohammadreza hasanjani roushan soleiman mahjoub ali bijani

background: brucella species can cause infection in a wide range of animals and human beings. oxidative events against brucella infection are not well elucidated. it is possible that brucellosis may be related to increased free radical production and antioxidant depletion. thus, the aim of this study was to determine the total antioxidant capacity (tac) before and after treatment of patients wi...

Introduction: As stress affects the brain both physiologically and chemically, researchers try to find novel anti-stress compounds with beneficial therapeutic effects. In this regard, the effect of stress and its modulation by Morin hydrate was studied using different acute models in mice. Methods: The models employed were anoxic tolerance, swimming endurance, and acute restraint test. Morin h...

Journal: :international journal of health studies 0
nooshin ahmadian chashmi1 1. vice-chancellery of health, shahroud university of medical sciences, shahroud, iran. sarvenaz emadi 2 2. school of medicine, alborz university of medical sciences, karaj, iran. hossein khastar 3* 3. dept. of physiology, school of medicine, shahroud university of medical sciences, shahroud, iran.

background: renal ischemia reperfusion (ir), one of the most important causative mechanisms of acute kidney injury, is a major clinical problem that occurs in some hospitalized patients. the aim of this study was to investigate the effects of hydroxytyrosol (ht) on renal ischemia-reperfusion injury in mice. methods: male mice were randomly assigned to three groups (n = 9): (1) sham operated, (2...

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