Establishment of a ccRCC patient-derived chick chorioallantoic membrane model for drug testing

Martine Charbonneau1, Kelly Harper1, Karine Brochu-Gaudreau1

  • 1Department of Immunology and Cell Biology, Université de Sherbrooke, Sherbrooke, QC, Canada.

Frontiers in Medicine
|October 24, 2022
PubMed

Insights

The chick chorioallantoic membrane (CAM) model rapidly and affordably tests clear cell renal cell carcinoma (ccRCC) drug responses. This complementary in vivo model aids in evaluating new targeted therapies for kidney cancer patients.

Area of Science:

  • Oncology
  • Experimental Pathology
  • Drug Discovery

Background:

  • Clear cell renal cell carcinoma (ccRCC) is an aggressive kidney cancer subtype with high mortality.
  • Advanced ccRCC often develops resistance to targeted therapies, necessitating new treatment strategies.
  • Existing animal models for drug testing are costly and time-consuming.

Purpose of the Study:

  • To evaluate the chick chorioallantoic membrane (CAM) as a rapid, cost-effective drug testing model for ccRCC.
  • To assess the CAM model's ability to maintain ccRCC histopathology and patient-specific drug responses.

Main Methods:

  • Cultivating ccRCC patient tumor samples on the CAM for 7 days.
  • Establishing ccRCC xenografts on the CAM.
  • Treating ccRCC xenografts with sunitinib to assess differential patient responses.

Main Results:

  • ccRCC patient tumors were successfully cultured on the CAM within 7 days, preserving histopathological features.
  • The CAM model allowed for the evaluation of differential patient responses to sunitinib treatment.
  • The model demonstrated potential for rapid and cost-effective drug response assessment.

Conclusions:

  • The CAM model serves as a valuable complementary in vivo platform for ccRCC drug testing.
  • This model facilitates the preclinical evaluation of novel targeted therapies for kidney cancer.
  • The CAM model offers a rapid and cost-effective approach to personalized medicine in ccRCC treatment.

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