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Dopamine Agonists Exert Nurrl-inducing Effect in Peripheral Blood Mononuclear Cells of Patients with Parkinson's Disease 被引量:4

Dopamine Agonists Exert Nurrl-inducing Effect in Peripheral Blood Mononuclear Cells of Patients with Parkinson's Disease
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摘要 Background: Nurrl plays an essential role in the development, survival, and function maintenance ofmidbrain dopaminergic (DA) neurons, and it is a potential target for Parkinson's disease (PD). Nurrl mRNA can be detected in peripheral blood mononuclear cells (PBMCs), but whether there is any association of altered Nurrl expression in PBMC with the disease and DA drug treatments remains elusive. This study aimed to measure the Nurrl mRNA level in PBMC and evaluate the effect of Nurrl expression by DA agents in vivo and in vitro. Methods: The mRNA levels of Nurrl in PBMC of four subgroups of 362 PD patients and 193 healthy controls (HCs) using real-time polymerase chain reaction were measured. The nonparametric Mann-Whitney U-test and Kruskal-Wallis test were performed to evaluate the differences between PD and HC, as well as the subgroups of PD. Multivariate linear regression analysis was used to evaluate the independent association of Nurrl expression with Hoehn and Yahr scale, age, and drug treatments. Besides, the Nurrl expression in cultured PBMC was measured to determine whether DA agonist pramipexole affects its mRNA level. Results: The relative Nurrl mRNA levels in DA agonists treated subgroup were significant higher than those in recent-onset cases without any anti-PD treatments (de novo) (P 〈 0.001 ) and HC groups (P 〈 0.010), respectively. Furthermore, the increase in Nurr I mRNA expression was seen in DA agonist and L-dopa group. Multivariate linear regression showed DA agonists, L-dopa, and DA agonists were independent predictors correlated with Nurrl mRNA expression level in PBMC. In vitlv, in the cultured PBMC treated with 10 μmol/L pramipexole, the Nurrl mRNA levels were significantly increased by 99.61%, 71.75%, 73.16% in 2, 4, and 8 h, respectively (P 〈 0.001 ). Conclusions: DA agonists can induce Nurrl expression in PBMC, and such effect may contribute to DA agonists-mediated neuroprotection on DA neurons. Background: Nurrl plays an essential role in the development, survival, and function maintenance ofmidbrain dopaminergic (DA) neurons, and it is a potential target for Parkinson's disease (PD). Nurrl mRNA can be detected in peripheral blood mononuclear cells (PBMCs), but whether there is any association of altered Nurrl expression in PBMC with the disease and DA drug treatments remains elusive. This study aimed to measure the Nurrl mRNA level in PBMC and evaluate the effect of Nurrl expression by DA agents in vivo and in vitro. Methods: The mRNA levels of Nurrl in PBMC of four subgroups of 362 PD patients and 193 healthy controls (HCs) using real-time polymerase chain reaction were measured. The nonparametric Mann-Whitney U-test and Kruskal-Wallis test were performed to evaluate the differences between PD and HC, as well as the subgroups of PD. Multivariate linear regression analysis was used to evaluate the independent association of Nurrl expression with Hoehn and Yahr scale, age, and drug treatments. Besides, the Nurrl expression in cultured PBMC was measured to determine whether DA agonist pramipexole affects its mRNA level. Results: The relative Nurrl mRNA levels in DA agonists treated subgroup were significant higher than those in recent-onset cases without any anti-PD treatments (de novo) (P 〈 0.001 ) and HC groups (P 〈 0.010), respectively. Furthermore, the increase in Nurr I mRNA expression was seen in DA agonist and L-dopa group. Multivariate linear regression showed DA agonists, L-dopa, and DA agonists were independent predictors correlated with Nurrl mRNA expression level in PBMC. In vitlv, in the cultured PBMC treated with 10 μmol/L pramipexole, the Nurrl mRNA levels were significantly increased by 99.61%, 71.75%, 73.16% in 2, 4, and 8 h, respectively (P 〈 0.001 ). Conclusions: DA agonists can induce Nurrl expression in PBMC, and such effect may contribute to DA agonists-mediated neuroprotection on DA neurons.
出处 《Chinese Medical Journal》 SCIE CAS CSCD 2015年第13期1755-1760,共6页 中华医学杂志(英文版)
基金 grants from the National High Technology Research and Development Program of China,the State Key Development Program for Basic Research of China,the National Natural Science Foundation of China,key project from Guangzhou Science and Technology Department,Medical Scientific Research Foundation of Guangdong Province,China,Medicine and Health Care Technology Projects Foundation of Guangzhou City,China
关键词 Dopamine Agonists NURRL Parkinson's Disease Dopamine Agonists Nurrl Parkinson's Disease
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