Methylene blue inhibits nucleation and elongation of SOD1 amyloid fibrils.

作者: Greta Musteikyte , Mantas Ziaunys , Vytautas Smirnovas , None

DOI: 10.7717/PEERJ.9719

关键词: AmyloidBiophysicsSuperoxide dismutaseChemistryProtein foldingPhenothiazineMethylene blueFibrilSOD1Protein aggregation

摘要: Protein aggregation into highly-structured amyloid fibrils is linked to several neurodegenerative diseases. Such fibril formation by superoxide dismutase I (SOD1) considered be related amyotrophic lateral sclerosis, a late-onset and fatal disorder. Despite much effort the discovery of numerous anti-amyloid compounds, no effective cure or treatment currently available. Methylene blue (MB), phenothiazine dye, has been shown modulate multiple amyloidogenic proteins. In this work we show its ability inhibit both spontaneous SOD1 as well elongation preformed fibrils.

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