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1.	Drouin-Ouellet, Janelle, et al. (author) Age-related pathological impairments in directly reprogrammed dopaminergic neurons derived from patients with idiopathic Parkinson's disease 2022 In: Stem Cell Reports. - : Elsevier BV. - 2213-6711. ; 17:10, s. 2203-2219 Journal article (peer-reviewed)abstract We have developed an efficient approach to generate functional induced dopaminergic (DA) neurons from adult human dermal fibroblasts. When performing DA neuronal conversion of patient fibroblasts with idiopathic Parkinson's disease (PD), we could specifically detect disease-relevant pathology in these cells. We show that the patient-derived neurons maintain age-related properties of the donor and exhibit lower basal chaperone-mediated autophagy compared with healthy donors. Furthermore, stress-induced autophagy resulted in an age-dependent accumulation of macroautophagic structures. Finally, we show that these impairments in patient-derived DA neurons leads to an accumulation of phosphorylated alpha-synuclein, the classical hallmark of PD pathology. This pathological phenotype is absent in neurons generated from induced pluripotent stem cells from the same patients. Taken together, our results show that direct neural reprogramming can be used for obtaining patient-derived DA neurons, which uniquely function as a cellular model to study age-related pathology relevant to idiopathic PD.

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Type of publication: journal article (1)

Type of content: peer-reviewed (1)

Author/Editor: Nilsson, Fredrik (1); Shrigley, Shelby (1); Parmar, Malin (1); Storm, Petter (1); Jakobsson, Johan (1); Falk, Anna (1); show more...; Barker, Roger A. (1); Drouin-Ouellet, Jane ... (1); Birtele, Marcella (1); Sharma, Yogita (1); Stoker, Thomas B. (1); Ottosson, Daniella R ... (1); Pircs, Karolina (1); Bruzelius, Andreas (1); Petit, Florence (1); Legault, Emilie M (1); Bouquety, Julie (1); Pereira, Maria (1); Vuono, Romina (1); Kele, Malin (1); show less...

University: Lund University (1); Karolinska Institutet (1)

Language: English (1)

Research subject (UKÄ/SCB): Medical and Health Sciences (1)

Year: 2022 (1)

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