Abstract
α-Synuclein, a presynaptic protein, is involved in synaptic vesicle dynamics in response to neuronal activity. Mutations of the α-synuclein gene and the neuronal deposition of α-synuclein, called Lewy bodies, are linked to the development of Parkinson’s disease. α-Synuclein has a prion-like property that converts its physiological protein conformation to a pathogenic one, forming disease-causing fibrils. Aggregation of these fibrils and subsequent inclusion formation are suggested to interfere with vesicular trafficking and organelle function in neurons. Thus, detection of a prion-like property of α-synuclein and the evaluation of its modifying factors are required to understand the pathogenesis of Parkinson’s disease and to develop new therapies. In this chapter, we describe a cell-based assay for detecting α-synuclein propagation.
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Acknowledgments
We thank Drs. Masato Hasegawa and Takashi Nonaka (Tokyo Metropolitan Institute of Medical Science) for providing materials and advice for this protocol. This work was supported by Grants-in-Aid for Scientific Research (20H03453 and 20K21531 to Y.I.) from the Japan Society for the Promotion of Science (JSPS). Jun Ogata and Daisaku Takemoto contributed equally to this chapter.
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Ogata, J., Takemoto, D., Shimonaka, S., Imai, Y., Hattori, N. (2021). α-Synuclein Seeding Assay Using Cultured Cells. In: Imai, Y. (eds) Experimental Models of Parkinson’s Disease. Methods in Molecular Biology, vol 2322. Humana, New York, NY. https://doi.org/10.1007/978-1-0716-1495-2_3
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DOI: https://doi.org/10.1007/978-1-0716-1495-2_3
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