Author(s): Papatsoris AG, Karamouzis MV, Papavassiliou AG
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Abstract Nearly a decade has passed since the hypothesis that the insulin-like growth factor (IGF) signalling cascade is involved in prostate carcinogenesis. Recent research has outlined the association of circulating IGF-1 and prostate cancer risk, and studies have elucidated the implication of the IGF network in the early stages of prostate carcinogenesis. Moreover, it has been suggested that IGF-1 induces ligand-independent activation of the androgen receptor and enhances the expression of matrix metalloproteinase-2 and urokinase plasminogen activator. Furthermore, progression to androgen independence has been linked to deregulation of the IGF-1-IGF-1-receptor axis. Here, we report on updated studies that contribute to the unravelling of the IGF 'circuitry' in prostate cancer cells, with the anticipation that relevant pharmacological 'rewiring' might offer novel therapeutic regimens.
This article was published in Trends Mol Med
and referenced in Medical & Surgical Urology