Pharmacological rescue of mitochondrial deficits in iPSC-derived neural cells from patients with familial Parkinson's disease.

Pharmacological rescue of mitochondrial deficits in iPSC-derived neural cells from patients with familial Parkinson's disease.
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DOI:
10.1126/scitranslmed.3003985
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发表时间:
2012-07-04
影响因子:
17.1
通讯作者:
Isacson O
Isacson O
中科院分区:
医学1区
文献类型:
--
作者:
Cooper O;Seo H;Andrabi S;Guardia-Laguarta C;Graziotto J;Sundberg M;McLean JR;Carrillo-Reid L;Xie Z;Osborn T;Hargus G;Deleidi M;Lawson T;Bogetofte H;Perez-Torres E;Clark L;Moskowitz C;Mazzulli J;Chen L;Volpicelli-Daley L;Romero N;Jiang H;Uitti RJ;Huang Z;Opala G;Scarffe LA;Dawson VL;Klein C;Feng J;Ross OA;Trojanowski JQ;Lee VM;Marder K;Surmeier DJ;Wszolek ZK;Przedborski S;Krainc D;Dawson TM;Isacson O

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帕金森病(Parkinson's disease,PD)是一种常见的神经退行性疾病,由遗传和环境因素共同作用引起。我们分析了来自PD患者和携带PINK1和LRRK2基因突变的前驱个体以及健康对照受试者的诱导多能干细胞(iPSC)衍生的神经细胞。我们测量了iPSC衍生的神经细胞中线粒体反应的几个方面,包括活性氧的产生、线粒体呼吸、质子泄漏和线粒体的神经元内运动。与来自PD患者和高危个体的iPSC衍生的神经细胞中的线粒体功能相关的细胞脆弱性可以用辅酶Q10、雷帕霉素或LRRK2激酶抑制剂GW 5074来挽救。来自携带不同突变的PD患者的iPSC衍生的神经细胞中的线粒体反应的分析提供了对不同家族形式的PD之间的细胞疾病机制的会聚的见解,并突出了氧化应激和线粒体功能障碍在PD中的重要性。
Parkinson's disease (PD) is a common neurodegenerative disease caused by genetic and environmental factors. We analyzed induced pluripotent stem cell (iPSC)-derived neural cells from PD patients and presymptomatic individuals carrying mutations in the PINK1 and LRRK2 genes, and healthy control subjects. We measured several aspects of mitochondrial responses in the iPSC-derived neural cells including production of reactive oxygen species, mitochondrial respiration, proton leakage and intraneuronal movement of mitochondria. Cellular vulnerability associated with mitochondrial function in iPSC-derived neural cells from PD patients and at-risk individuals could be rescued with coenzyme Q10, rapamycin or the LRRK2 kinase inhibitor GW5074. Analysis of mitochondrial responses in iPSC-derived neural cells from PD patients carrying different mutations provides insights into convergence of cellular disease mechanisms between different familial forms of PD and highlights the importance of oxidative stress and mitochondrial dysfunction in PD.
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