Identification of a New Antigen Family in Esophageal Cancer
Author Information
Author(s): Kagaya Akiko, Shimada Hideaki, Shiratori Tooru, Kuboshima Mari, Nakashima-Fujita Kazue, Yasuraoka Mari, Nishimori Takanori, Kurei Shunsuke, Hachiya Takahisa, Murakami Akihiro, Tamura Yutaka, Nomura Fumio, Ochiai Takenori, Matsubara Hisahiro, Takiguchi Masaki, Hiwasa Takaki
Primary Institution: Chiba University, Graduate School of Medicine
Hypothesis
Can serum antibodies against the ECSA family serve as tumor markers for esophageal squamous cell carcinoma?
Conclusion
The ECSA family may be a promising tumor marker for esophageal squamous cell carcinoma.
Supporting Evidence
- Serum antibody levels to ECSA-1, -2, and -3 were significantly higher in patients with esophageal SCC than in healthy donors.
- The presence of serum ECSA antibodies was detected in 40% of patients with esophageal SCC.
- The study identified three new antigens designated as ECSA-1, -2, and -3.
Takeaway
Researchers found new proteins in esophageal cancer that can help doctors detect the disease earlier.
Methodology
The study used SEREX screening to identify antigens and ELISA to measure serum antibody levels.
Limitations
The study did not establish a direct correlation between s-ECSA-Abs and clinicopathological variables.
Participant Demographics
The study included 146 patients with esophageal SCC, predominantly male (89%) with a median age of 65.
Statistical Information
P-Value
0.0026
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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