نتایج جستجو برای: hydroxydopamine rotational behavior motor imbalance dose
تعداد نتایج: 1114292 فیلتر نتایج به سال:
بیماری پارکینسون بعد از آلزایمر ، شایع ترین بیماری دژنراسیون به حساب می آید.بیماری پارکینسون برای اولین بار توسط دانشمند بریتانیایی دکتر جیمز پارکینسون در سال ???? میلادی توصیف شد. هنوز اتیولوژی این بیماری شناسایی نشده است ولی از نظر پاتولوژی این اختلال هنگامی رخ می دهد که نواحی خاصی از مغز توانایی خود را در تولید دوپامین از دست می دهند در سال1960 نشان داده شده که بیماری پارکینسون ناشی از آسیب ...
abstract background and objective: parkinson's disease (pd) is an age-related neurodegenerative disorder with massive loss of dopaminergic neurons in the substantia nigra pars compacta. l-dihydroxyphenylalanine (l-dopa) substitution is still the gold standard therapy for pd. however, there has been little information available on neuroprotective and regenerative therapies for pd. due to the neu...
This study investigated the influence of electrical stimulation of the subthalamic nucleus (STN) on motor impairment induced by unilateral 6-hydroxydopamine (6-OHDA) lesions in the medial forebrain bundle. Rats were trained to walk on a treadmill and then implanted with microelectrode arrays in and near the STN. The neurotoxin 6-OHDA was injected into the medial forebrain bundle (MFB) unilatera...
abstractparkinson’s disease (pd) is a neuropathological and debilitating disorder involving the degeneration of mesencephalic dopaminergic neurons. neuroprotective effect of hesperetin has already been reported, therefore, this study examined whether the administration of this flavonoid would attenuate behavioral abnormalities in an experimental model of pd in rat. for this purpose, unilateral ...
ABSTRACT Background and Objective: Parkinson's disease (PD) is an age-related neurodegenerative disorder with massive loss of dopaminergic neurons in the substantia nigra pars compacta. L-Dihydroxyphenylalanine (L-DOPA) substitution is still the gold standard therapy for PD. However, there has been little information available on neuroprotective and regenerative therapies for PD. Due to the neu...
In the rat several paradigms of grafting of adrenal medulla into the striatum were studied following the induction of a parkinsonian model, using a unilateral 6-hydroxydopamine (6-OHDA) lesion of the substantia nigra. Direct autologous grafting of adrenal medulla into the caudate-putamen complex, a radiofrequency lesion of the striatum alone, and a radiofrequency lesion followed by delayed graf...
This experiment was conducted to determine if nigrostriatal dopamine (DA) neurons are necessary for the contraversive rotational behavior evoked by electrical stimulation in the lateral hypothalamus. Rats were tested daily for electrical stimulation-induced rotational behavior (ESRB) for 5 days, and then given an injection of 6-hydroxydopamine (6-OHDA) or saline into the ipsilateral substantia ...
Background and Objective: Parkinson's disease is one the most common neurodegenerative diseases clinically diagnosed by movement disorders such as slowness of movement, muscle stiffness, tremor at rest and personality disorder. The goal of this study was to examine the impact of diosgenin with antioxidant and neuroprotective effects on a rat model of Parkinson's disease induced by 6-hydroxydopa...
To investigate the mechanisms underlying motor hyperactivity, we performed intracisternal injection of 6-hydroxydopamine or endocrine disruptors in rats on postnatal day 5. 6-Hydroxydopamine (100 microg, 488 nmol) caused a significant increase in spontaneous motor activities at 4 weeks of age. Gene-expression profiling using a cDNA membrane array revealed alterations in several classes of gene ...
T-lymphocytes have been previously implicated in protecting dopaminergic neurons in the substantianigra from induced cell death. However, the role of T-cells in neurodegenerative models such as Parkinson's disease (PD) has not been fully elucidated. To examine the role of T-lymphocytes on motor behavior in the 6-hydroxydopamine (6-OHDA) unilateral striatal partial lesion PD rat model, we assess...
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