Jujube promotes learning and memory in a rat model by increasing estrogen levels in the blood and nitric oxide and acetylcholine levels in the brain

نویسندگان

  • BAOLI LI
  • LU WANG
  • YONGXIAN LIU
  • YAHUI CHEN
  • ZHENGXIANG ZHANG
  • JING ZHANG
چکیده

The aim of this study was to observe the effects of jujube on learning and memory in ovariectomized rats. The effects of jujube on learning and memory in ovariectomized rats were observed using the Morris water maze method. The serum follicle-stimulating hormone (FSH), estrogen and luteinizing hormone (LH) levels, and the brain nitric oxide synthase (NOS) and acetylcholinesterase (AChE) levels of the rats were determined. The results indicated that jujube reduced the latency period and increased the number of crossings made by the ovariectomized rats in the Morris water maze test. Jujube also increased the serum estrogen level, reduced the serum FSH and corpus luteum LH levels, increased brain NOS activity and reduced AChE activity. The results indicate that jujube promoted the learning and memory of the ovariectomized rats. This effect may be correlated with the increase in the estrogen level in the blood, and the changes in the nitric oxide and acetylcholine levels in the brain.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Effects of harmalol on scopolamine-induced memory disorders, anxiety and depression like behaviors in male mice: A behavioral and molecular study

Introduction: Harmalol is a dihydrocarboline compound found naturally in several alcoholic beverages and medicinal plants. This study was designed to investigate the effect of harmalol on memory function and its possible mechanisms in a scopolamine-induced memory disorder model. Materials and Methods: Thirty five male mice were randomly divided into five (n=7) group: Control group )normal sali...

متن کامل

اثر تجویز توأم مورفین و ال- آرﮊینین در ناحیه CA3 هیپوکامپ بر یادگیری و حافظه فضایی موش‌های صحرایی نر

Background: Learning and memory are the complicated agents of central nervous system that various regions of brain can be involved in these phenomena, especially regions like hippocamp. Various agents like nitric oxide and morphine can influence learning and memory. About the effects of morphine with other components there was not clear reports so in this study the effect of co-administrati...

متن کامل

Nephrotoxicity of Isosorbide Dinitrate and Cholestasis in Rat: The Possible Role of Nitric Oxide

Background: Nitric oxide (NO), a major chemical form of endothelium-derived relaxing factor and an important regulator of vascular tone, is released by endothelial cells. The role of NO is not restricted to the vascular system, and it participates in the regulation of renal hemodynamics and renal excretory function. There are increasing evidences indicating that the elevated levels of NO play a...

متن کامل

The beneficial effects of riluzole on GFAP and iNOS expression in intrahippocampal Aβ rat model of Alzheimer’s disease

Background and Objective: Alzheimer’s disease (AD) is a neurodegenerative disorder specified by deposition of b-amyloid (Ab) and neuronal loss that leads to learning and memory disturbances. One of the most important causes of AD is glutamate-dependent excitotoxicity in brain regions that is vulnerable to AD. According to previous reported results, it was revealed that riluzole, as a glutamate ...

متن کامل

The Role of Estrogen Receptors on Spatial Learning and Memory in CA1 Region of Adult Male Rat Hippocampus

The hippocampal system plays an important role in memory function. Neurohormones like androgens and estrogens that syntheses in hippocampus have an important role in learning and memory. Many biological effects of estrogens in the brain via estrogenic receptors (ERs) are investigated. The current research has conducted to assess the effect of estrogenic receptors on spatial discrimination in ra...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:

دوره 5  شماره 

صفحات  -

تاریخ انتشار 2013