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Identification Of Sumoylated Proteins And Investigation Of Protein Ubiquitination In The Nf-Κb Pathway, Xiaoyan Liu
Identification Of Sumoylated Proteins And Investigation Of Protein Ubiquitination In The Nf-Κb Pathway, Xiaoyan Liu
Theses and Dissertations--Molecular and Cellular Biochemistry
SUMOylation and ubiquitination are important post-translational modifications. While ubiquitination is well known for targeting proteins for degradation, SUMOylation often regulates the intracellular localization of substrates. In the first project of this dissertation, we developed proteomic strategies to identify novel SUMOylated proteins in mammalian cells. In the second project, we investigated the regulation of protein ubiquitination in the NF-κB signaling pathway in the context of Paget’s disease of bone (PDB).
Identification of SUMOylated proteins has been a challenge because of low abundance of SUMOylation substrates. Here, we utilized a mass spectrometry (MS)-based proteomic approach to identify novel SUMOylated proteins in mammalian …