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Research Abstracts Online
January 2008 - March 2009

University of Minnesota Twin Cities
Academic Health Center
Masonic Cancer Center

PI: Carol A. Lange

Progesterone Transcriptional Regulation by Sumoylation/Desumoylation

Progesterone receptors (PRs) mediate proliferation in developing mammary tissue and contribute to breast cancer progression. Elevated expression and activity of epidermal growth factor (EGF) receptor family members frequently occur in advanced breast cancer and these receptors undergo extensive cross-talk with PR signaling. Growth factor-induced kinases regulate PR post-translational modification, such as phosphorylation, ubiquitination, and sumoylation. These researchers hypothesize that reversible attachment of SUMO molecules in response to phosphorylation events dramatically alters PR transcriptional activity and promoter selectivity, and may account for functional differences between PR-A and PR-B isoforms. The researches are using the CGL for this project.

Group Member

Todd P. Kutson, Graduate Student