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A Syngeneic Mouse Model of Metastatic Renal Cell Carcinoma for Quantitative and Longitudinal Assessment of Preclinical Therapies
Published on: April 12, 2017
Tumour and patient factors in renal cell carcinoma-towards personalized therapy
Ahmed Q Haddad1, Vitaly Margulis1
1Department of Urology, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75390, USA.
Abstract:
Renal cell carcinoma (RCC) comprises a heterogeneous group of histologically and molecularly distinct tumour subtypes. Current targeted therapies have improved survival in patients with advanced disease but complete response occurs rarely, if at all. The genomic characterization of RCC is central to the development of novel targeted therapies. Large-scale studies employing multiple 'omics' platforms have led to the identification of key driver genes and commonly altered pathways. Specific molecular alterations and signatures that correlate with tumour phenotype and clinical outcome have been identified and can be harnessed for patient management and counselling. RCC seems to be a remarkably diverse malignancy with significant intratumour and intertumour genetic heterogeneity. The tumour microenvironment is increasingly recognized as a vital regulator of RCC tumour biology. Patient factors, including immune response and drug metabolism, vary widely, which can lead to widely divergent responses to drug therapy. Intratumour heterogeneity poses a significant challenge to the development of personalized therapies in RCC as a single biopsy might not accurately represent the clonal population ultimately responsible for aggressive biologic behaviour. On the other hand, the diversity of genomic alterations in RCC could also afford opportunities for targeting unique pathways based on analysis of an individual tumour's molecular composition.
Insights
Genomic characterization reveals renal cell carcinoma (RCC) is a diverse cancer. Understanding its genetic heterogeneity and tumor microenvironment is key to developing new targeted therapies for better patient outcomes.
Area of Science:
- Oncology
- Genomics
- Cancer Biology
Background:
- Renal cell carcinoma (RCC) is a heterogeneous cancer with limited complete response rates to current targeted therapies.
- Genomic characterization is crucial for advancing novel therapeutic strategies in advanced RCC.
- Significant intratumour and intertumour genetic heterogeneity exists within RCC.
Purpose of the Study:
- To explore the genomic landscape of renal cell carcinoma (RCC).
- To identify key driver genes and altered pathways in RCC.
- To understand the role of tumor microenvironment and patient factors in RCC treatment response.
Main Methods:
- Large-scale genomic studies utilizing multiple 'omics' platforms.
- Analysis of molecular alterations and their correlation with tumor phenotype and clinical outcomes.
- Investigation of intratumour genetic heterogeneity and its impact on therapy.
Main Results:
- Identification of key driver genes and commonly altered pathways in RCC.
- Discovery of molecular signatures linked to tumor behavior and patient prognosis.
- Recognition of the tumor microenvironment as a critical regulator of RCC biology.
- Understanding of patient-specific factors influencing drug response.
Conclusions:
- RCC is a highly diverse malignancy characterized by significant genetic heterogeneity.
- Intratumour heterogeneity presents challenges for personalized RCC therapy.
- The diversity in genomic alterations offers opportunities for targeted pathway inhibition based on individual tumor molecular profiles.
- Harnessing genomic insights and understanding the tumor microenvironment are essential for developing more effective RCC treatments.
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