Kidney cancer: From tumor biology to innovative therapeutics

Résumé fourni par la source

Renal cell carcinoma (RCC) constitutes the most frequent kidney cancer of the adult population and one of the most lethal malignant tumors worldwide. RCC often presents without early symptoms, leading to late diagnosis. Prognosis varies widely based on the stage of cancer at diagnosis. In the early-stage, localized RCC has a relatively good prognosis, while advanced or metastatic RCC has a poor outcome. Obesity, smoking, genetic mutations and family history are all considered risk factors for RCC, while inherited disorders, such as Tuberous Sclerosis and von Hippel-Lindau syndrome, are causally associated with RCC development. Genetic screening, deep sequencing analysis, quantitative proteomics and immunostaining analysis on RCC tissues, biological fluids and blood samples have been employed to identify novel biomarkers, predisposing factors and therapeutic targets for RCC with important clinical implications for patient treatment. Combined approaches of gene-targeting strategies coupled to a deep functional analysis of cancer cell biology, both in vitro and in appropriate animal models of RCC, significantly contributed to identify and characterize relevant pathogenic mechanisms underlying development and progression of RCC. These studies provided also important cues for the generation of novel target-specific therapeutics that selectively restore deranged cancer cell signalling and dysfunctional immune checkpoints, positively impacting on the survival rate of treated RCC patients. In this review, we will describe the recent discoveries concerning the most relevant pathogenic mechanisms of RCC and will highlight novel therapeutic strategies that interrupt oncogenic pathways and restore immune defences in RCC patients.

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