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Intern Med. 1992 Dec;31(12):1348-55.

Anti-centromere antibody and CREST syndrome in patients with primary biliary cirrhosis.

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Department of Internal Medicine II, Fukushima Medical College, Japan.


Anti-centromere antibodies (ACA) in 41 sera from patients with primary biliary cirrhosis (PBC) were analyzed by an immunoblotting method and the correlation between the presence of ACA and the clinical features in these PBC patients was studied. In 10 of 16 ACA-positive PBC patients, one or more clinical features of CREST syndrome (PBC-CREST) were found. Statistical differences were observed in age at disease onset, serum levels of IgM and total bilirubin and titer of anti-M2 antibody, between PBC-CREST patients and the PBC patients without CREST symptoms (PBC-non CREST). By immunoblotting analysis, three major epitopes of ACA were identified at 18 kD, 80 kD and 140 kD polypeptides. The 18 kD polypeptides were detected in all 16 ACA-positive PBC patients. From these results, it is suggested that ACA-positive PBC-CREST patients can be separated from ACA-negative PBC-CREST and PBC-non CREST patients.

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