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Full-Text Articles in Medicine and Health Sciences
Hsp22 With An N-Terminal Domain Truncation Mediates A Reduction In Tau Protein Levels, Jack M. Webster, April L. Darling, Taylor A. Sanders, Danielle M. Blazier, Yamile Vidal-Aguiar, David Beaulieu-Abdelahad, Drew G. Plemmons, Shannon E. Hill, Vladimir N. Uversky, Paula C. Bickford, Chad Anthony Dickey, Laura J. Blair
Hsp22 With An N-Terminal Domain Truncation Mediates A Reduction In Tau Protein Levels, Jack M. Webster, April L. Darling, Taylor A. Sanders, Danielle M. Blazier, Yamile Vidal-Aguiar, David Beaulieu-Abdelahad, Drew G. Plemmons, Shannon E. Hill, Vladimir N. Uversky, Paula C. Bickford, Chad Anthony Dickey, Laura J. Blair
Molecular Medicine Faculty Publications
Misfolding, aggregation and accumulation of proteins are toxic elements in the progression of a broad range of neurodegenerative diseases. Molecular chaperones enable a cellular defense by reducing or compartmentalizing these insults. Small heat shock proteins (sHsps) engage proteins early in the process of misfolding and can facilitate their proper folding or refolding, sequestration, or clearance. Here, we evaluate the effects of the sHsp Hsp22, as well as a pseudophosphorylated mutant and an N-terminal domain deletion (NTDΔ) variant on tau aggregation in vitro and tau accumulation and aggregation in cultured cells. Hsp22 wild-type (WT) protein had a significant inhibitory effect on …