Expression of Tissue factor in Adenocarcinoma and Squamous Cell Carcinoma of the Uterine Cervix: Implications for immunotherapy with hI-con1, a factor VII-IgGFc chimeric protein targeting tissue factor
2011

Tissue Factor in Cervical Cancer and Immunotherapy with hI-con1

Sample size: 11 publication 10 minutes Evidence: high

Author Information

Author(s): Cocco Emiliano, Varughese Joyce, Buza Natalia, Bellone Stefania, Glasgow Michelle, Bellone Marta, Todeschini Paola, Carrara Luisa, Silasi Dan-Arin, Azodi Masoud, Schwartz Peter E, Rutherford Thomas J, Pecorelli Sergio, Lockwood Charles J, Santin Alessandro D

Primary Institution: Yale University School of Medicine

Hypothesis

The study evaluates the expression of Tissue Factor (TF) in cervical cancer and the potential of hI-con1 as a novel immunotherapy.

Conclusion

hI-con1 induces strong cytotoxicity against cervical cancer cell lines that overexpress TF, suggesting it may be a new treatment for cervical cancer.

Supporting Evidence

  • 100% of cervical cancer cell lines tested expressed high levels of Tissue Factor.
  • All primary cervical cancer cell lines overexpressing TF were highly sensitive to hI-con1-induced cytotoxicity.
  • Low doses of interleukin-2 increased the cytotoxic effect of hI-con1.

Takeaway

Cervical cancer cells have a lot of a protein called Tissue Factor, and a new treatment called hI-con1 can help kill these cancer cells.

Methodology

The study used immunohistochemistry, real-time PCR, and flow cytometry to evaluate TF expression and assessed cytotoxicity using chromium-release assays.

Limitations

The study is limited to in vitro experiments and may not fully represent in vivo responses.

Participant Demographics

The study included 11 patients with cervical cancer, with a mix of squamous and adenocarcinoma histology.

Statistical Information

P-Value

p = 0.0023 (qRT-PCR); p = 0.0042 (flow cytometry); p = 0.025 (IL-2 enhancement)

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1186/1471-2407-11-263

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