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KINETIC STUDY OF ONCOGENIC PHOSPHATASE SHP2 AND ITS CORRESPONDING INHIBITORS

thesis
posted on 12.10.2021, 12:21 by Erica Anne BakerErica Anne Baker
SHP2, a protein-tyrosine phosphatase (PTP), is a key signaling regulator in multiple cell signaling processes including the Ras/MAPK pathway. This has led to SHP2 being identified as a therapeutic target in multiple types of cancers and autoimmune disorders. However, the role that the C-terminal residues play when they interact with other SHP2 domains remains unknown. This study presents data to illustrate that the C-terminal residues interact intramolecularly with other domains to inhibit PTP activity. Additionally, the identification of a specific and potent SHP2 inhibitor has proven difficult because of the high homology and positive nature of the PTP active site. This study presents the data from a high throughput fragment screen identifying several promising HIT compounds that may be further developed into potent and selective SHP2 inhibitors. Furthermore, data supporting the development of a selective SHP2 covalent inhibitor from a nonselective core molecule is presented.

History

Degree Type

Master of Science

Department

Chemistry

Campus location

West Lafayette

Advisor/Supervisor/Committee Chair

Dr. Zhong-Yin Zhang

Additional Committee Member 2

Dr. Angeline Lyon

Additional Committee Member 3

Dr. David Thompson