Strong aggregation and increased toxicity of polyleucine over polyglutamine stretches in mammalian cells

Abstract excerpt

Expansion of a Glutamine (Gln) repeat above a specific critical size in certain proteins gives rise to aggregation-prone proteins that cause neurodegenerative disorders, such as Huntington's disease. However, proteins with long hydrophilic polyglutamine repeats are more frequently found in nature than proteins with long homogeneous repeats of other amino acids, such as hydrophobic (Ala)(n) and (Leu)(n). To...

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