Interleukin-6, tumour necrosis factor α and interleukin-1β in patients with renal cell carcinoma
2002

Cytokines in Renal Cell Carcinoma

Sample size: 143 publication Evidence: moderate

Author Information

Author(s): Yoshida N, Ikemoto S, Narita K, Sugimura K, Wada S, Yasumoto R, Kishimoto T, Nakatani T

Primary Institution: Department of Urology, Osaka City University Medical School

Hypothesis

The study aims to elucidate the relationship between renal cell carcinoma and serum levels of inflammatory cytokines.

Conclusion

Interleukin-6 may be a factor for the poor prognosis of patients with renal cell carcinoma, while tumour necrosis factor α may aid in early diagnosis and post-operative follow-up.

Supporting Evidence

  • Cytokine levels were significantly higher in renal cell carcinoma patients compared to healthy controls.
  • Interleukin-6 levels were particularly elevated in stage IV renal cell carcinoma patients.
  • Tumour necrosis factor α levels were significantly higher in all stages of renal cell carcinoma compared to controls.
  • All cytokines showed a positive correlation with tumour size.
  • Interleukin-6 had a strong correlation with C-reactive protein levels.

Takeaway

This study looked at how certain proteins in the blood relate to kidney cancer, finding that higher levels of these proteins can mean worse outcomes for patients.

Methodology

Serum levels of interleukin-6, tumour necrosis factor α, and interleukin-1β were measured in 122 renal cell carcinoma patients and 21 healthy controls using a highly sensitive ELISA kit.

Potential Biases

Potential bias in patient selection and cytokine measurement methods.

Limitations

The study may not account for all variables affecting cytokine levels and prognosis.

Participant Demographics

Mean age of patients was 62.4 years, with 122 patients and 21 healthy controls (mean age 61.9 years).

Statistical Information

P-Value

p<0.0001

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1038/sj.bjc.6600257

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