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Methods to Study Tubulin S-glutathionylation

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Author: Wirth, Anna Jean
Advisor: Landino, Lisa M.
Committee Members: Abelt, Christopher J.; Saha, Margaret Somosi; Carey, Bagdassarian
Issued Date: 6/17/2010
Subjects: Chemistry
URI: http://hdl.handle.net/10288/2105
Description: The effects of oxidative damage and the mechanisms through which it is repaired have been a topic of intense research for several years. Research has shown that small changes in the redox state of cells can lead to protein modification which, in turn, can result in changes in protein function and activity. This thesis discusses the development of a method to study tubulin S-glutathionylation that avoids several of the inherent technical difficulties in studying oxidative modifications of tubulin. Biotinylated GSSG (oxidized glutathione) was synthesized, purified, and incorporated into tubulin via thiol-disulfide exchange. S-glutathionylated tubulin was isolated on an avidin-agarose resin by utilization of biotin's affinity for avidin. This biotin affinity capture method allows for future quantification of S-glutathionylation in tubulin as well as exploration of its role in polymerization regulation.
Degree: Bachelors of Science in Chemistry

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