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Updated: Aug 9, 2026

Anti-Nuclear Antibody Screening Using HEp-2 Cells
Published on: June 24, 2014
Antibodies to nuclear lamin C in chronic hepatitis delta virus infection
J Wesierska-Gadek1, E Penner, E Hitchman
1Institute of Tumorbiology-Cancer Research, University of Vienna, Austria.
Abstract:
Sera of patients with chronic hepatitis delta virus infection stained the nuclear periphery in indirect immunofluorescence. Using proteins of isolated nuclei, isolated nuclear matrices, the nuclear pore complex-lamina fraction and purified lamins A and C as antigen source in immunoblotting experiments, nuclear lamin C was identified as the reactive antigen. Most sera tested (8 of 10) recognized nuclear lamin C exclusively, but not the nuclear lamins A and B. Antibodies reacting with both nuclear lamins A and C, which share extensive sequence homologies, have been reported to occur in autoimmune hepatitis and primary biliary cirrhosis. The present findings suggest that the novel autoantibody associated with chronic hepatitis delta virus infection recognizes an epitope localized in the short carboxyterminal region of nuclear lamin C.
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