نتایج جستجو برای: hydroxydopamine rotational behavior motor imbalance dose
تعداد نتایج: 1114292 فیلتر نتایج به سال:
Although the findings from recent controlled studies suggest that methylphenidate is a safe and effective treatment for many children with attention-deficit hyperactivity disorder (ADHD) and comorbid tic disorder, relatively little is known about drug effects on school behavior. Thirty-four prepubertal children with ADHD and tic disorder received placebo and 3 doses of methylphenidate (0.1, 0.3...
Effect of repeated morphine and tramadol administration on the motor behavior in the neonatal period
Introduction: Motor behavior and coordination impairment are known side effects of opioid treatment, yet very few studies have investigated the effects of tramadol on motor behavior, or compared its effect with the effect of an opioid. This study investigates the effects of chronic injection of morphine and tramadol on rat motor function during infancy. Methods: Neonate rats (n=56) were randoml...
Objective(s): The main characteristic of mesenchymal stem cells (MSCs) is their ability to produce other cell types. Electromagnetic field (EMF) stimulates differentiation of MSCs into other cells. In this study, we investigated whether EMF can effect on the differentiation of MSCs into dopaminergic (DA) neurons. Materials and Methods: An EMF with a frequency of 50 Hz and two intensities of 40 ...
In the present study, PC12 cells induced by 6-hydroxydopamine as a model of Parkinson's Disease, were used to investigate the protective effects of bone marrow-derived mesenchymal stem cells bone marrow-derived mesenchymal stem cells against 6-hydroxydopamine-induced neurotoxicity and to verify whether the mechanism of action relates to abnormal α-synuclein accumulation in cells. Results showed...
There is a growing amount of evidence for a neuroprotective role of progesterone and its neuroactive metabolite, allopregnanolone, in animal models of neurodegenerative diseases. By using a model of hemiparkinsonism in male rats, injection of the neurotoxic 6-OHDA in left striatum, we studied progesterone's effects on rotational behavior induced by amphetamine or apomorphine. Also, in order to ...
objective(s):neurotoxicity of anticancer drugs complicates treatment of cancer patients. vinblastine (vbl) is reported to induce motor and cognitive impairments in patients receiving chronic low-dose regimen. materials and methods: the effects of vbl treatment on motor, learning and memory functions of male and female wistar rats were studied by behavioral related tests. animals were given chro...
In this study, we investigated an aspect of the chemical plume tracing behavior of an insect by using a bio-machine hybrid system. We implemented an experimental system by which an insect brain was connected to a robot body. We observed neural responses to external disturbances and transitions at changes in the motor gain of the robot body. Based on the results of the experiments, we identified...
Repetitive magnetic stimulation (rTMS), including theta burst stimulation (TBS), is capable of modulating motor cortical excitability through plasticity-like mechanisms and might have therapeutic potential for Parkinson's disease (PD). An animal model would be helpful for elucidating the mechanism of rTMS that remain unclear and controversial. Here, we have established a TMS model in rat and ap...
Parkinson's disease (PD) is a neurodegenerative disorder characterized by the degeneration of dopaminergic nigrostriatal neurons. Although the etiology of the majority of human PD cases is unknown, experimental evidence points to oxidative stress as an early and causal event (Zhou et al., 2008). 6-(Methylsulfinyl)hexyl isothiocyanate (6-MSITC) is a major bioactive compound in wasabi (Wasabia ja...
Objective: Tabernaemontana divaricata (TD) from Apocynaceae family offers the traditional folklore medicinal benefits such as an anti-epileptic, anti-mania, brain tonic, and anti-oxidant. The aim of the present study was to evaluate the effect of ethanolic extract of TD leaves on burying behavior in mice. Materials and Methods:Mice were treated with oral administration (p.o.) of ethanolic extra...
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