Clinical implications of hypoxia inducible factor in renal cell carcinoma
Smaldone MC et al. - In a review of the clinical implications of hypoxia inducible factor (HIF) in renal cell carcinoma (RCC), this report provides a directed review of recent discoveries defining the role of HIF in renal tumorigenesis and their relevance to clinical advances in targeted therapy for advanced RCC. Methods- Management of RCC has made considerable strides in the past decade, due in large part to identification of the von Hippel Lindau (VHL) tumor suppressor as a negative regulator of HIF-α protein expression.
Results- Stabilization of HIF-α appears to be critical for renal tumorigenesis, and is observed even in VHL-independent RCC.
- An understanding of the pathways that regulate expression and activation of the different HIF-α isoforms is key to delineating the mechanism of renal transformation and for development of novel therapeutics.
- A number of agents targeting HIF-α or its transcriptionally-regulated genes have shown promise in treatment of RCC.
- More effective treatment strategies are still needed.
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