Genetic analysis of Ap4 in the ApcMin mouse model

  • Jaeckel, Stephanie
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Publication date
April 2019
Publisher
Ludwig-Maximilians-Universität München

Abstract

The gene encoding the transcription factor TFAP4/AP4 represents a direct target of the c-MYC oncoprotein. AP4 contributes to the progression of colorectal cancer by regulating genes involved in proliferation and EMT (epithelial-mesenchymal transition). Previously we reported that AP4 is expressed in proliferating cells in human colonic crypts in a pattern similar to c-MYC. Also in human colorectal cancer, AP4 is highly expressed in proliferating cells. Taken together, these results suggested that AP4 may have an important function in intestinal homeostasis and carcinogenesis. In this study we deleted Ap4 in ApcMin mice, a preclinical model of inherited colorectal cancer. Ap4-deficiency extended their average survival by 110 days and decreas...

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