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1.
Methods Mol Biol ; 2549: 359-377, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-33959917

RESUMO

The use of patient-derived induced pluripotent stem cells (iPSCs) and their neural derivatives is becoming increasingly important in the study of neurodegenerative disorders such as Alzheimer's disease, Parkinson's disease, Lewy body dementia, amyotrophic lateral sclerosis, peripheral neuropathy, and so on. Increasingly, iPSC-derived neurons also reveal key pathways and signaling defects in psychiatric disorders such as autism spectrum disorders, schizophrenia, and bipolar disorder. With recent advances in CRISPR/Cas9-mediated genome editing technology, patient-derived iPSCs with disease-causing mutations can be corrected into "isogenic control lines," and these can be differentiated into neural derivatives with identical genetic background. This provides an opportunity for in vitro disease modeling to unravel disease mechanisms and a platform to facilitate drug discovery. In this chapter, we provide details of the differentiation protocols to reliably derive four currently relevant neuronal subtypes, i.e., cortical neurons, midbrain dopaminergic neurons, spinal motor neurons, and sensory neurons.


Assuntos
Células-Tronco Pluripotentes Induzidas , Células-Tronco Pluripotentes , Diferenciação Celular , Neurônios Dopaminérgicos , Humanos , Células Receptoras Sensoriais
2.
Front Cell Neurosci ; 12: 413, 2018.
Artigo em Inglês | MEDLINE | ID: mdl-30483063

RESUMO

Parkinson's disease (PD) is an age-associated, progressive neurodegenerative disorder characterized by motor impairment and in some cases cognitive decline. Central to the disease pathogenesis of PD is a small, presynaptic neuronal protein known as alpha synuclein (a-syn), which tends to accumulate and aggregate in PD brains as Lewy bodies or Lewy neurites. Numerous in vitro and in vivo studies confirm that a-syn aggregates can be propagated from diseased to healthy cells, and it has been suggested that preventing the spread of pathogenic a-syn species can slow PD progression. In this review, we summarize the works of recent literature elucidating mechanisms of a-syn propagation, and discussed the advantages in using patient-derived induced pluripotent stem cells (iPSCs) and/or induced neurons to study a-syn transmission.

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