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Updated: Jun 3, 2026

Modeling Spontaneous Metastatic Renal Cell Carcinoma (mRCC) in Mice Following Nephrectomy
Published on: April 29, 2014
Looking beyond inhibition of VEGF/mTOR: emerging targets for renal cell carcinoma drug development
Neal Rasmussen1, W Kimryn Rathmell
1Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, NC 27599, USA.
Abstract:
The incidence rates of renal cell carcinoma (RCC) have continued to rise with 58,000 new cases in the United States. RCC has notoriously been refractory to traditional chemotherapeutic including radiation and cytokine therapies. The advent of the use of molecularly targeted therapies for RCC has significantly improved the standard of care. Yet, there still remains room for improvement as many of the current therapies are limited by acquired resistance and dosing restrictions due to toxicity. In this review we discuss many potential therapeutic targets that have been suggested for development as advancements are made in discovering the underlying molecular biology of RCC. Among the targets that discussed are additional targets within the well-established VHL/HIF axis, the PI3K/AKT/mTOR pathway, independent targets, and those identified by synthetic lethality screens.
Insights
Renal cell carcinoma (RCC) targeted therapies show promise but face resistance. This review explores novel molecular targets to improve treatment outcomes for this rising cancer.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- Renal cell carcinoma (RCC) incidence is increasing, with over 58,000 new cases in the US.
- Traditional RCC treatments like chemotherapy, radiation, and cytokine therapy have limited efficacy.
- Molecularly targeted therapies have improved RCC care, but challenges like resistance and toxicity persist.
Purpose of the Study:
- To review emerging therapeutic targets for renal cell carcinoma.
- To discuss advancements in understanding RCC's molecular biology.
- To identify potential new treatment strategies beyond current therapies.
Main Methods:
- Literature review of recent studies on RCC molecular pathways.
- Analysis of established and novel therapeutic targets.
- Discussion of VHL/HIF axis, PI3K/AKT/mTOR pathway, and synthetic lethality screens.
Main Results:
- Several promising therapeutic targets are under investigation for RCC.
- Understanding molecular pathways like VHL/HIF and PI3K/AKT/mTOR is crucial.
- Synthetic lethality screens are identifying novel drug targets.
Conclusions:
- Further research into novel molecular targets is essential for overcoming RCC treatment resistance.
- Targeted therapies hold significant potential to improve outcomes for renal cell carcinoma patients.
- Personalized treatment strategies based on molecular profiling may enhance efficacy and reduce toxicity.
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