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The cellular redox environment alters antigen presentation

Trujillo, Jonathan A.; Croft, Nathan P.; Dudek, Nadine L.; Channappanavar, Rudragouda; Theodossis, Alex; Webb, Andrew I.; Dunstone, Michelle A.; Illing, Patricia T.; Butler, Noah S.; Fett, Craig; Tscharke, David C.; Rossjohn, Jamie; Perlman, Stanley; Purcell, Anthony W.


Cysteine-containing peptides represent an important class of T cell epitopes, yet their prevalence remains underestimated. We have established and interrogated a database of around 70,000 naturally processed MHC-bound peptides and demonstrate that cysteine-containing peptides are presented on the surface of cells in an MHC allomorph-dependent manner and comprise on average 5-10% of the immunopeptidome. A significant proportion of these peptides are oxidatively modified, most commonly through...[Show more]

CollectionsANU Research Publications
Date published: 2014-10-03
Type: Journal article
Source: The Journal of Biological Chemistry
DOI: 10.1074/jbc.M114.573402


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