Alpha-synuclein in Lewy bodies.
Maria Grazia Spillantini,Marie L. Schmidt,Virginia M.-Y. Lee,John Q. Trojanowski,Ross Jakes,Michel Goedert +5 more
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TLDR
Strong staining of Lewy bodies from idiopathic Parkinson's disease with antibodies for α-synuclein, a presynaptic protein of unknown function which is mutated in some familial cases of the disease, indicates that the LewY bodies from these two diseases may have identical compositions.Abstract:
Lewy bodies, a defining pathological characteristic of Parkinson's disease and dementia with Lewy bodies (DLB)1,2,3,4, constitute the second most common nerve cell pathology, after the neurofibrillary lesions of Alzheimer's disease. Their formation may cause neurodegeneration, but their biochemical composition is unknown. Neurofilaments and ubiquitin are present5,6,7,8, but it is unclear whether they are major components of the filamentous material of the Lewy body9,10. Here we describe strong staining of Lewy bodies from idiopathic Parkinson's disease with antibodies for α-synuclein, a presynaptic protein of unknown function which is mutated in some familial cases of the disease11. α-Synuclein may be the main component of the Lewy body in Parkinson's disease. We also show staining for α-synuclein of Lewy bodies from DLB, indicating that the Lewy bodies from these two diseases may have identical compositions.read more
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Mutations in the parkin gene cause autosomal recessive juvenile parkinsonism
Tohru Kitada,Shuichi Asakawa,Nobutaka Hattori,Hiroto Matsumine,Yasuhiro Yamamura,Shinsei Minoshima,Masayuki Yokochi,Yoshikuni Mizuno,Nobuyoshi Shimizu +8 more
TL;DR: Mutations in the newly identified gene appear to be responsible for the pathogenesis of Autosomal recessive juvenile parkinsonism, and the protein product is named ‘Parkin’.
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Soluble protein oligomers in neurodegeneration: lessons from the Alzheimer's amyloid beta-peptide.
Christian Haass,Dennis J. Selkoe +1 more
TL;DR: Findings in other neurodegenerative diseases indicate that a broadly similar process of neuronal dysfunction is induced by diffusible oligomers of misfolded proteins.
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Ala30Pro mutation in the gene encoding alpha-synuclein in Parkinson's disease.
Rejko Krüger,Wilfried Kuhn,Thomas Müller,Dirk Woitalla,Manuel B. Graeber,Sigfried Kösel,Horst Przuntek,Jörg T. Epplen,Ludger Schöls,Olaf Riess +9 more
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Neurodegenerative diseases and oxidative stress.
TL;DR: Oxidative stress has been implicated in the progression of Alzheimer's disease, Parkinson's disease and amyotrophic lateral sclerosis and different strategies, including novel metal–protein attenuating compounds aimed at a variety of targets have shown promise in clinical studies.
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Protein aggregation and neurodegenerative disease.
TL;DR: There is increased understanding of the pathways involved in protein aggregation, and some recent clues have emerged as to the molecular mechanisms of cellular toxicity, leading to approaches toward rational therapeutics.
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