8-OH-DPAT (5-HT1A agonist) Attenuates 6-Hydroxy- dopamine-induced catalepsy and Modulates Inflammatory Cytokines in Rats
8-OH-DPAT (5-HT1A agonist) Attenuates 6-Hydroxy- dopamine-induced catalepsy and Modulates Inflammatory Cytokines in Rats
复制标题
8-OH-DPAT(5-HT1A 激动剂)减轻 6-羟基多巴胺诱导的大鼠僵直症并调节炎症细胞因子
DOI:
10.22038/ijbms.2013.1987
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发表时间:
2013
影响因子:
2.2
通讯作者:
S. Farajnia
中科院分区:
文献类型:
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作者:
H. Sharifi;A. Mohajjel Nayebi;S. Farajnia
Objective(s): Neuroinflammation in Parkinson disease (PD) is associated with glial cells activation and production of different inflammatory cytokines. In this study, we investigated the effect of chronic administration of 8-OH-DPAT on 6-OHDA-induced catalepsy and levels of inflammatory cytokines in cerebrospinal fluid (CSF). Materials and Methods: Catalepsy was induced by unilateral infusion of 6-OHDA (8 μg/2 μl/rat) into the central region of the sabstantia nigra pars compacta (SNc) being assessed by the bar-test, 5, 60, 120 and 180 min after intraperitoneal (IP) administration of 8-OH-DPAT (5-HT1A receptor agonist; 0.25, 0.5 and 1mg/kg, IP for 10 days). CSF samples were collected on the tenth day of 8-OH-DPAT administration and analyzed by ELISA method to measure levels of TNF-α, IL-1β and IL-6. Results: Chronic injection of 8-OH-DPAT decreased catalepsy in a dose dependent manner when compared with the control group. The most anti-cataleptic effect was observed at the dose of 1 mg/kg of 8-OH-DPAT. Levels of TNF-α in CSF increased three weeks after 6-OHDA injection while there was a significant decrease in TNF-α level of parkinsonian animals treated with 8-OH-DPAT (1 mg/kg, IP for 10 days). IL-1β and IL-6 decreased and increased in parkinsonian rats and in 8-OH-DPAT-treated parkinsonian rats, respectively. Conclusion: Our study indicated that chronic administration of 8-OH-DPAT improves catalepsy in 6-OHDA-induced animal model of PD and restores central concentration of inflammatory cytokines to the basal levels. 5-HT1A receptor agonists can be suggested as potential adjuvant therapy in PD by modulation of cerebral inflammatory cytokines.
DOI:
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发表时间:
2000-03
期刊:
The Journal of pharmacology and experimental therapeutics
影响因子:
--
作者:
D. A. Knobelman;H. Kung;I. Lucki
通讯作者:
D. A. Knobelman;H. Kung;I. Lucki