Study of Immune Response in Renal Cell Cancer
Author Information
Author(s): Y. Tomita, T. Nishiyama, M. Fujiwara, S. Sato
Primary Institution: Niigata University, School of Medicine
Hypothesis
The degree of expression of MHC class I antigens on renal cell cancer (RCC) might influence the host immune responsiveness against it.
Conclusion
Most renal cell cancer cells express MHC class I antigens, and a reduction in these antigens correlates with fewer tumor-infiltrating mononuclear cells.
Supporting Evidence
- Class I antigens were preserved in RCC cells in most cases.
- Reduced expression of class I antigens was observed in granular cell type RCC.
- CD8-positive T cells were the dominant population among tumor-infiltrating mononuclear cells.
Takeaway
This study looked at how the immune system responds to kidney cancer, finding that cancer cells usually show a certain marker that helps the immune system recognize them.
Methodology
The study involved examining tissue specimens from 30 patients with renal cell cancer for MHC class I and II antigen expression and analyzing tumor-infiltrating mononuclear cells.
Limitations
The follow-up periods after surgery were too short for evaluation of prognosis.
Participant Demographics
18 males and 12 females, mean age 59.5 years.
Statistical Information
P-Value
p<0.01
Statistical Significance
p<0.01
Want to read the original?
Access the complete publication on the publisher's website