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PROM1-mediated cell signal transduction
Young-Gyu Ko 1,* (Professor), Myeong-Suk Bahn1 (Graduate student)
1Division of Life Sciences, Korea University, Seoul, 02841, Korea
Prominin–1, also called CD133, is a penta-span transmembrane protein that is localized in membrane protrusions, such as microvilli and filopodia. It is known to be expressed in cancer stem cells and various progenitor cells of bone marrow, liver, kidney, and intestine. Accumulating evidence has revealed that PROM has multiple functions in various organs, such as eye, tooth, peripheral nerve, and liver, associating with various molecular protein partners. Prominin–1 regulates PKA-induced gluconeogenesis, TGF-induced fibrosis, and IL−6-induced regeneration in the liver, associating with Radixin, SMAD7, and GP130, respectively. In addition, PROM1 is necessary to maintain cancer stem cell properties by activating PI3K and -Catenin. PROM1-deficienct mice also show distinct phenotypes in eyes, brain, peripheral nerves, and tooth. Here, we discuss recent findings of PROM1-mediated signal transduction.
Abstract, Accepted Manuscript(in press) [Submitted on December 2, 2022, Accepted on January 3, 2023]
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