ایران گودرزی
دانشیار، گروه زیست‌شناسی عمومی، دانشکده زیست‌شناسی، دانشگاه دامغان، دامغان، ایران.
[ 1 ] - اثر توأم مواجهه‌درمانی و عصاره آبی برگ گیاه شاهدانه (Cannabis Sativa) بر خاموشی ترس شرطی در موش صحرایی نر مبتلا به «اختلال استرس پس از سانحه»
اهداف اختلال استرس پس از سانحه از اختلالات شایع اضطرابی است که پس از یک حادثه آسیب‌زای شدید بروز می‌کند. یکی از علائم بالینی بیماری اختلال در خاموشی حافظه ترومایی است. برگ گیاه شاهدانه سرشار از ترکیبات کانابینوئیدی است که در خاموشی حافظه مؤثر هستند. هدف از این مطالعه بررسی اثر توأم تزریق درون‌صفاقی عصاره برگ شاهدانه و اثر مواجهه‌درمانی بر خاموشی حافظه در این بیماری است.مواد و روش ها در این پژوه...
[ 2 ] - Acute stress does not affect the impairing effect of chronic stress on memory retrieval
Objective(s): Due to the prevalence and pervasiveness of stress in modern life and exposure to both chronic and acute stresses, it is not clear whether prior exposure to chronic stress can influence the impairing effects of acute stress on memory retrieval. This issue was tested in this study. Materials and Methods: Adult male Wistar rats were randomly assigned to the following groups: control,...
[ 3 ] - Stress during first pregnancy increases seizure threshold in adult male offspring
Objective(s): Stress induces many homeostatic aberrations which are followed by lifelong allostatic responses. Epilepsy is developed or influenced by different environmental factors, i.e. prenatal stress which makes many contradictory developmental changes in seizure threshold and intensity. We investigated the potential seizure response of the rat offspring to prenatal stress; the stres...
[ 4 ] - Role of Oxidative Stress in Ethanol-induced Neurotoxicity in the Developing Cerebellum
Objective(s) The purpose of this study was to investigate the role of oxidative stress in Purkinje cell neurotoxicity ofethanol-treated rat. Materials and Methods Male rat pups 4-day-old was used in this study. Ethanol was administered to rat pups at a dose of 6 g/kg from postnatal days (PDs) 4 to 5. Pups were killed 90 min after the second alcohol treatment on PD 5 by decapitation and the ...
[ 5 ] - Riluzole Ameliorates Harmaline-Induced Tremor in Rat
Introduction: Excessive olivo-cerebellar burst-firing occurs during harmaline-induced tremor. We hypothesized that antiglutamatergic agents would suppress harmaline tremor. From this point of view, the aim of current study was to investigate the effects of riluzole on harmaline-induced tremor in rat. Material and Methods: Four groups of Wistar rats weighing 80–100 g were injected with harmaline...
[ 6 ] - Effect of Cannabinoid Receptor Agonist WIN55, 212-2 on the Anxiety Induced by PTSD in Male Rats
Introduction: Posttraumatic stress disorder is a severe anxiety disorder caused by exposure to traumatic events. The aim of this study was to induce PTSD in rats and examine the effect of WIN55-212-2, a cannabinoid receptor agonist, on anxiety. Methods: SPS&S model was used to induce PTSD in 56 male Wistar rats. Rats were restrained for 2 h, immediately followed by forced swimming for 20 mi...
[ 7 ] - Altered expression of orexin 1 and endocannabinoid 1 receptors of the hippocampus in three pentylenetetrazol, pilocarpine and kainate seizure models
Introduction: Seizure is synchronous and abnormal brain neuronal activity that leads to activation of different receptors capable of enhancing or suppressing seizure activity such as orexin receptor 1 (OXR1) and/or endocannabinoid receptor 1(CBR1). The time of activation for the receptors may influence seizure control. Therefore, this study aimed to investigate the latency for and the change of...
[ 8 ] - Lateral Hypothalamus Corticotropin Releasing Hormone Receptor-1 Inhibition Modulates Stress- Induced Anxiety Behavior
Stress is a reaction to unwanted events disturbing body homeostasis which influences its pathways and target areas. Stress affects the brain through the lateral hypothalamic area (LHA) orexinergic system that mediates the effect of corticotropin-releasing hormone (CRH) through CRH receptor type 1 (CRHr1). Therefore, this study explores the outcome of stress exposure on anxiety development and t...