Serum anti-HBc IgA antibodies can be demonstrated in acute hepatitis B patients. At first, they are mainly polymeric (p-IgA), whereas monomeric IgA (m-IgA) become detectable 3 months later. In most cases, anti-HBc IgA cannot be demonstrated after 6-12 months. From a diagnostic point of view, specific p-IgA can be regarded as a marker of active infection but, compared to IgM, their demonstration is more difficult.
Anti-HBc polymeric IgA antibodies in serum from acute hepatitis B patients.
BIGLINO, Alberto;MERLINO, Chiara;
1990-01-01
Abstract
Serum anti-HBc IgA antibodies can be demonstrated in acute hepatitis B patients. At first, they are mainly polymeric (p-IgA), whereas monomeric IgA (m-IgA) become detectable 3 months later. In most cases, anti-HBc IgA cannot be demonstrated after 6-12 months. From a diagnostic point of view, specific p-IgA can be regarded as a marker of active infection but, compared to IgM, their demonstration is more difficult.
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