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  • Title: Leukocyte migration inhibition in response to biliary antigens in primary biliary cirrhosis, sclerosing cholangitis, and other chronic liver diseases.
    Author: McFarlane IG, Wojcicka BM, Tsantoulas DC, Portmann BC, Eddleston AL, Williams R.
    Journal: Gastroenterology; 1979 Jun; 76(6):1333-40. PubMed ID: 437430.
    Abstract:
    The leukocyte migration inhibition test has been used to investigate cellular immune responses to antigens in a protein fraction (BPF) of normal human gallbladder bile in patients with a variety of intra- and extrahepatic diseases. Inhibition of leukocyte migration in the presence of BPF was observed in 30 (81%) of 37 patients with PBC, in 8 (80%) of 10 patients with sclerosing cholangitis, and in 7 (26%) of 27 patients with chronic active hepatitis. Only 1 of 31 patients with other liver diseases or with uncomplicated ulcerative colitis showed a similar response to BPF. The BPF was found to contain three antigens which were distinct from plasma proteins. Immunofluorescence studies revealed that one of these antigens appears to be derived from that part of the hepatocellular membrane which forms the bile canaliculus and that a second appears to be associated with the epithelial cell membranes of interlobular and septal bile ducts. The site of origin of the third antigen could not be established. It is suggested that cellular immune responses to biliary antigens could be involved in the progressive bile duct destruction of chronic biliary disease.
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