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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
Tyrosine kinase inhibitors reprogramming immunity in renal cell carcinoma: rethinking cancer immunotherapy
L M A Aparicio1, I P Fernandez2, J Cassinello3
1Medical Oncology Department, Hospital Universitario A Coruña, Xubias s/n, 15615, La Coruña, Spain. luis.anton.aparicio@sergas.es.
Abstract:
The immune system regulates angiogenesis in cancer by way of both pro- and antiangiogenic activities. A bidirectional link between angiogenesis and the immune system has been clearly demonstrated. Most antiangiogenic molecules do not inhibit only VEGF signaling pathways but also other pathways which may affect immune system. Understanding of the role of these pathways in the regulation of immunosuppressive mechanisms by way of specific inhibitors is growing. Renal cell carcinoma (RCC) is an immunogenic tumor in which angiogenesis and immunosuppression work hand in hand, and its growth is associated with impaired antitumor immunity. Given the antitumor activity of selected TKIs in metastatic RCC (mRCC), it seems relevant to assess their effect on the immune system. The confirmation that TKIs improve cell cytokine response in mRCC provides a basis for the rational combination and sequential treatment of TKIs and immunotherapy.
Insights
Tyrosine kinase inhibitors (TKIs) can enhance the immune system's response in metastatic renal cell carcinoma (mRCC). This finding supports combining TKIs with immunotherapy for better cancer treatment outcomes.
Area of Science:
- Oncology
- Immunology
- Cancer Biology
Background:
- The immune system and angiogenesis are closely linked in cancer development, with complex pro- and anti-angiogenic activities influencing tumor growth.
- Antiangiogenic molecules can impact immune pathways beyond VEGF signaling, highlighting their broader role in immune regulation.
- Renal cell carcinoma (RCC) exhibits both angiogenesis and immunosuppression, contributing to impaired antitumor immunity.
Purpose of the Study:
- To investigate the effects of tyrosine kinase inhibitors (TKIs) on the immune system in metastatic renal cell carcinoma (mRCC).
- To assess the potential of TKIs in modulating immune responses within the context of RCC's angiogenic and immunosuppressive environment.
Main Methods:
- Review of existing literature on TKIs, angiogenesis, and immune responses in metastatic renal cell carcinoma.
- Analysis of preclinical and clinical data regarding the impact of TKIs on immune cell function and cytokine production.
Main Results:
- Selected TKIs demonstrate antitumor activity in metastatic RCC.
- TKIs were confirmed to enhance cellular cytokine responses in patients with mRCC.
- The study highlights a bidirectional relationship between angiogenesis and the immune system in cancer.
Conclusions:
- TKIs positively influence immune responses in mRCC, suggesting a role beyond direct antiangiogenic effects.
- The findings provide a rationale for combining TKIs with immunotherapy for improved treatment strategies in mRCC.
- Understanding TKI-mediated immune modulation is crucial for optimizing cancer therapy.
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