Identification of two novel CT antigens and their capacity to elicit antibody response in hepatocellular carcinoma patients
2003

New Cancer Antigens Found in Liver Cancer Patients

Sample size: 62 publication Evidence: moderate

Author Information

Author(s): Dong X-Y, Su Y-R, Qian X-P, Yang X-A, Pang X-W, Wu H-Y, Chen W-F

Primary Institution: Peking University Health Science Center

Hypothesis

Can novel cancer-testis (CT) antigens elicit an immune response in hepatocellular carcinoma patients?

Conclusion

The study identified two novel CT antigens, FATE/BJ-HCC-2 and TPTE/BJ-HCC-5, which are immunogenic in hepatocellular carcinoma patients.

Supporting Evidence

  • FATE/BJ-HCC-2 was expressed in 66% of hepatocellular carcinoma samples.
  • TPTE/BJ-HCC-5 was expressed in 39% of hepatocellular carcinoma samples.
  • Antibodies against FATE/BJ-HCC-2 were found in 4.8% of patients.
  • Antibodies against TPTE/BJ-HCC-5 were found in 9.6% of patients.

Takeaway

Researchers found two new proteins that can help the body's immune system fight liver cancer.

Methodology

The study involved analyzing human tumor tissues and sera, using RT-PCR and ELISA to assess the expression of the identified antigens.

Limitations

The study's findings are based on a limited number of patients and may not be generalizable.

Participant Demographics

Patients were HBV surface antigen positive and HCV antigen negative.

Digital Object Identifier (DOI)

10.1038/sj.bjc.6601062

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