Volume 61, Issue 4
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645


Immunodominant antigens of an approximate molecular mass of 27 kD were obtained from an excretory-secretory product of adult Fasciola gigantica by a continuous-elution method. An indirect ELISA using the antigens obtained by this relatively simple procedure was developed for detecting specific antibodies from patients infected with F. gigantica. Sera from patients with other parasitic infections, healthy volunteers, and cholangiocarcinoma were also analyzed. The sensitivity, specificity, and positive and negative predictive values for this ELISA using the fractionated antigens were 100%. The data indicated a possible correlation of antibodies to F. gigantica with cholangiocarcinoma.


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