Prion protein and cancers

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The normal cellular prion protein, PrPC is a highly conserved and widely expressed cell surface glycoprotein in all mammals. The expression of PrP is pivotal in the pathogenesis of prion diseases; however, the normal physiological functions of PrPC remain incompletely understood. Based on the studies in cell models, a plethora of functions have been attributed to PrPC. In this paper, we reviewed the potential roles that PrPC plays in cell physiology and focused on its contribution to tumorigenesis.

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