Soluble form of carbonic anhydrase IX (CA IX) in the serum and urine of renal carcinoma patients
2003

Soluble Carbonic Anhydrase IX in Renal Carcinoma Patients

Sample size: 50 publication Evidence: moderate

Author Information

Author(s): Závada J, Závadová Z, Zat'ovičová M, Hyršl L, Kawaciuk I

Primary Institution: Institute of Molecular Genetics, Academy of Sciences of the Czech Republic

Hypothesis

Can soluble carbonic anhydrase IX (CA IX) be detected in the serum and urine of renal carcinoma patients?

Conclusion

The study found that a significant percentage of renal carcinoma patients excrete soluble CA IX in their urine and that it can be detected in their serum.

Supporting Evidence

  • 40% of serum samples from RCC patients tested positive for CA IX.
  • 70% of urine samples from RCC patients contained CA IX.
  • The study used monoclonal antibodies to detect CA IX in various biological samples.

Takeaway

Doctors can find a special protein called CA IX in the blood and pee of people with kidney cancer, which might help them understand the disease better.

Methodology

The study involved 50 patients with renal clear cell carcinoma, analyzing serum and urine samples before and after surgery, and using monoclonal antibodies for detection.

Limitations

The concentration of CA IX in serum and urine is low, making detection challenging without prior concentration.

Participant Demographics

28 men and 22 women, mean age 63.2 years, range 36–79.

Digital Object Identifier (DOI)

10.1038/sj.bjc.6601264

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