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Abstract Details
Role of Antinuclear Antibodies in Primary Biliary Cholangitis
Am J Gastroenterol. 2020 Jul 22. doi: 10.14309/ajg.0000000000000765. Online ahead of print.
Cynthia Levy1, Christopher L Bowlus2
Author information
1Division of Hepatology, University of Miami Miller School of Medicine, Miami, Florida, USA.
2Division of Gastroenterology and Hepatology, University of California, Davis, Sacramento, California, USA.
Abstract
The identification of antinuclear antibodies specific for primary biliary cholangitis (PBC) has facilitated diagnosis in antimitochondrial antibody-negative individuals. Their presence may also have prognostic implication. In this edition of The American Journal of Gastroenterology, Reig et al. evaluate the frequency of PBC-specific antinuclear antibodies, their natural course and association with outcomes in 254 patients with PBC. Antibodies remained stable over time, and presence of antihexokinase1 and anti-sp100 was associated with shorter survival. Clinicians can request testing for PBC-specific antinuclear antibodies to minimize need for liver biopsy, but further research is needed to understand their role in disease prognostication.