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PhD defence

Exploring Ubiquitin and ISG15 Biology with Chemical Tools

  • J. Gan
Date
Tuesday 7 June 2022
Time
Location
Academy Building
Rapenburg 73
2311 GJ Leiden

Supervisor(s)

  • Prof. J.J. Neefjes

Summary:

Proteins play an essential role in almost all the processes of a living organism, and post-translational modifications (PTM) can regulate their structure, location, function, and fate. Ubiquitin and ISG15 are two of the most versatile and common PTM modifiers in mammalian cells. Aberrant modification of Ubiquitin and ISG15 in cells results in various diseases, such as cancers and microbial infections

This dissertation introduces the development of small-molecule inhibitors against ISG15 deconjugating enzyme USP18 and ubiquitin deconjugating enzyme OTUB2 separately, and the identification of USP16 as a dual deconjugating enzyme that cleaves Ubiquitin and ISG15 from substrates. These research achievements are supposed to deepen the understanding of biology, regulation, and biochemical mechanisms of Ubiquitin and ISG15 deconjugating enzymes, thus paving the way to deconjugating enzymes-targeted therapeutics development in the future.

 

PhD dissertations

Approximately one week after the defence, PhD dissertations by Leiden PhD students are available digitally through the Leiden Repository, that offers free access to these PhD dissertations. Please note that in some cases a dissertation may be under embargo temporarily and access to its full-text version will only be granted later.

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