1. Human opisthorchiasis sera reacted with recombinant Ov-CB-1. Western blot
analysis of a pool of positive human sera from individuals with parasitologically proven
Opisthorchis viverrini infection. Lane 1, 1:100 dilution of pooled negative human sera;
lane 2, 1:100 dilution of pooled positive human opisthorchiasis sera, showing
recognition of rOv-CB-1 at 44 kDa; lane 3, purified rOv-CB-1 analyzed by Coomassie
blue-stained 12.5% SDS-PAGE.