title: Antibody responses to survivin and their clinical significance in patients with head and neck cancer.
abstract: BACKGROUND
  Survivin is highly expressed in cancer cells but shows little or no expression in normal tissues. Little is known about antibody responses to survivin in patients with head and neck cancer.
  
  
  METHODS
  Anti-survivin antibody responses in patients with head and neck cancer were investigated by enzyme-linked immunosorbent assay. Anti-p53 antibody and squamous cell carcinoma antigen were also examined.
  
  
  RESULTS
  Sera from 69 of 97 patients (71.1%) were positive for anti-survivin, with a cutoff value (absorbance; >0.673) with healthy control subjects. High levels of anti-survivin were detected in patients with advanced stage. Interestingly, levels of anti-survivin fell after curative treatment. In addition, 24 of 26 (92.3%) tested patients were positive for at least 1 of 3 markers.
  
  
  CONCLUSIONS
  These findings suggest that survivin may act as a major cancer antigen in head and neck cancer. Anti-survivin antibody responses may be a valuable marker in patients with head and neck cancer.
authors.affiliation: Department of Otolaryngology, Oita University Faculty of Medicine, 1-1 Idaigaoka, Hazama-machi, Yufu, Oita 879-5593, Japan.
authors.forename: Mayumi
authors.initials: M
authors.lastname: Eto
authors.forename: Satoru
authors.initials: S
authors.lastname: Kodama
authors.forename: Naoki
authors.initials: N
authors.lastname: Uemura
authors.forename: Masashi
authors.initials: M
authors.lastname: Suzuki
mesh_terms: D000368:Aged; D000906:Antibodies / Q000097:blood*; D000951:Antigens, Neoplasm / Q000276:immunology; D014408:Biomarkers, Tumor / Q000097:blood; D002294:Carcinoma, Squamous Cell / Q000097:blood* / Q000473:pathology / Q000628:therapy; D016022:Case-Control Studies; D004797:Enzyme-Linked Immunosorbent Assay; D005260:Female; D006258:Head and Neck Neoplasms / Q000097:blood* / Q000473:pathology / Q000628:therapy; D006801:Humans; D051034:Inhibitor of Apoptosis Proteins; D008207:Lymphatic Metastasis; D008297:Male; D008869:Microtubule-Associated Proteins / Q000276:immunology*; D008875:Middle Aged; D009363:Neoplasm Proteins / Q000276:immunology*; D015843:Serpins / Q000276:immunology; D000077022:Survivin; D016159:Tumor Suppressor Protein p53 / Q000276:immunology
chemical_list: D000906:Antibodies; D000951:Antigens, Neoplasm; C107489:BIRC5 protein, human; D014408:Biomarkers, Tumor; D051034:Inhibitor of Apoptosis Proteins; D008869:Microtubule-Associated Proteins; D009363:Neoplasm Proteins; D015843:Serpins; D000077022:Survivin; D016159:Tumor Suppressor Protein p53; C051072:squamous cell carcinoma-related antigen