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A Syngeneic Mouse Model of Metastatic Renal Cell Carcinoma for Quantitative and Longitudinal Assessment of Preclinical Therapies
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A Syngeneic Mouse Model of Metastatic Renal Cell Carcinoma for Quantitative and Longitudinal Assessment of Preclinical Therapies

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Development of interferon γ-based immunocytokines targeting renal cancer

Peirong Chen1, Siddharth Balachandran

  • 1Immune Cell Development and Host Defense Program; Fox Chase Cancer Center; Philadelphia, PA USA.

Oncoimmunology
|September 28, 2013
PubMed

Insights

New immunocytokines targeting CD70 show promise for treating advanced renal cancer. Combining these therapies with bortezomib effectively killed cancer cells via a specific necrotic pathway.

Area of Science:

  • Oncology
  • Immunotherapy
  • Molecular Biology

Background:

  • Advanced renal cancer remains an incurable malignancy requiring innovative treatments.
  • CD70 is identified as a potential biomarker for renal cancer, presenting a therapeutic target.

Purpose of the Study:

  • To develop novel interferon gamma (IFNγ)-based fusion antibodies (immunocytokines) targeting CD70 for renal cancer therapy.
  • To investigate the efficacy of these immunocytokines in combination with bortezomib against renal cancer cells.

Main Methods:

  • Generation of IFNγ-based immunocytokines targeting the CD70 biomarker.
  • In vitro labeling of renal cancer cells using the developed immunocytokines.
  • Combination treatment of renal cancer cells with immunocytokines and the proteasome inhibitor bortezomib.

Main Results:

  • Immunocytokines successfully labeled CD70-expressing renal cancer cells.
  • The combination therapy of immunocytokines and bortezomib resulted in significant killing of renal cancer cells.
  • Cancer cell death was mediated through the activation of a RIP1-dependent necrotic pathway.

Conclusions:

  • IFNγ-based immunocytokines targeting CD70 represent a promising therapeutic strategy for advanced renal cancer.
  • Combination with bortezomib enhances the efficacy of these immunocytokines by inducing RIP1-dependent necrosis.
  • This approach offers a novel avenue for treating this incurable malignancy.
Keywords:
CD70RIP1immunocytokinesinterferonnecroptosisnecrosisrenal cell carcinoma

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