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De-ubiquitination of ELK-1 by USP17 potentiates mitogenic gene expression and cell proliferation (2019)
Journal Article
Ducker, C., Chow, L., Saxton, J., Handwerger, J., McGregor, A., Strahl, T., …Shaw, P. E. (2019). De-ubiquitination of ELK-1 by USP17 potentiates mitogenic gene expression and cell proliferation. Nucleic Acids Research, 47(9), 4495-4508. https://doi.org/10.1093/nar/gkz166

ELK-1 is a transcription factor involved in ERK-induced cellular proliferation. Here we show that its transcriptional activity is modulated by ubiquitination at lysine 35 (K35). The level of ubiquitinated ELK-1 rises in mitogen-deprived cells and fal... Read More about De-ubiquitination of ELK-1 by USP17 potentiates mitogenic gene expression and cell proliferation.

Strategy for tumor selective disruption of androgen receptor function in the spectrum of prostate cancer (2018)
Journal Article
Rosati, R., Polin, L. A., Ducker, C., Li, J., Bao, X., Selvakumar, D., …Ratnam, M. (2018). Strategy for tumor selective disruption of androgen receptor function in the spectrum of prostate cancer. Clinical Cancer Research, https://doi.org/10.1158/1078-0432.ccr-18-0982

Purpose: Testosterone suppression in prostate cancer (PC) is limited by serious side effects and resistance via restoration of androgen receptor (AR) functionality. ELK1 is required for ARdependent growth in various hormone-dependent and castration r... Read More about Strategy for tumor selective disruption of androgen receptor function in the spectrum of prostate cancer.

The amino-terminal domain of the androgen receptor co-opts extracellular signal-regulated kinase (ERK) docking sites in ELK1 protein to induce sustained gene activation that supports prostate cancer cell growth (2016)
Journal Article
Rosati, R., Patki, M., Chari, V., Dakshnamurthy, S., McFall, T., Saxton, J., …Ratnam, M. (2016). The amino-terminal domain of the androgen receptor co-opts extracellular signal-regulated kinase (ERK) docking sites in ELK1 protein to induce sustained gene activation that supports prostate cancer cell growth. Journal of Biological Chemistry, 291(50), 25983-25998. https://doi.org/10.1074/jbc.M116.745596

The ETS domain transcription factor ELK1 is in a repressive association with growth genes and is transiently activated through phosphorylation by ERK1/2. In prostate cancer (PCa) cells the androgen receptor (AR) is recruited by ELK1, via its amino-te... Read More about The amino-terminal domain of the androgen receptor co-opts extracellular signal-regulated kinase (ERK) docking sites in ELK1 protein to induce sustained gene activation that supports prostate cancer cell growth.

Stepwise evolution of Elk-1 in early deuterostomes (2016)
Journal Article
Saxton, J., Ferjentsik, Z., Ducker, C., & Shaw, P. E. (in press). Stepwise evolution of Elk-1 in early deuterostomes. FEBS Journal, 283(6), https://doi.org/10.1111/febs.13607

Metazoans have multiple ETS paralogues with overlapping or indiscriminate biological functions. Elk- 1, one of three mammalian Ternary Complex Factors (TCFs), is a well-conserved, ETS domain-containing transcriptional regulator of mitogen-responsive... Read More about Stepwise evolution of Elk-1 in early deuterostomes.

ERK phosphorylation of MED14 in promoter complexes during mitogen-induced gene activation by Elk-1 (2013)
Journal Article
Galbraith, M. D., Saxton, J., Li, L., Shelton, S. J., Zhang, H., Espinosa, J. M., & Shaw, P. E. (2013). ERK phosphorylation of MED14 in promoter complexes during mitogen-induced gene activation by Elk-1. Nucleic Acids Research, 41(22), https://doi.org/10.1093/nar/gkt837

The ETS domain transcription factor Elk-1 stimulates expression of immediate early genes (IEGs) in response to mitogens. These events require phosphorylation of Elk-1 by extracellular signal-regulated kinase (ERK) and phosphorylation-dependent intera... Read More about ERK phosphorylation of MED14 in promoter complexes during mitogen-induced gene activation by Elk-1.