Cys-10 mixed disulfide modifications exacerbate transthyretin familial variant amyloidogenicity: a likely explanation for variable clinical expression of amyloidosis and the lack of pathology in C10S/V30M transgenic mice?

Abstract excerpt

The marked variation in clinical expression and age of familial amyloid disease onset is not well understood. One possibility is that metabolite modification(s) of a disease-associated mutant protein can change the energetics and propensity for misfolding, influencing the disease course. Each subunit of the transthyretin (TTR) tetramer has a single Cys residue that can exist in the SH form or as a mixed disulfide...

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