SLA antibodies

SLA antibodies (SLA = soluble liver antigen) are found in approximately 30% of patients with autoimmune hepatitis type 1 (AIH type 1), and are identical to the so called LP antibodies recognizing liver-pancreas (LP) antigen.

SLA antibodies are often detected in conjunction with anti-smooth muscle antibodies (ASMA) and antinuclear antibodies (ANA). They have also been found in some patients with clinical features of AIH type 1 who are negative for these conventional serologic markers of type 1 AIH. Unlike these markers, the specificity of SLA antibodies for AIH type 1 approaches 100%.

Furthermore, SLA antibodies denote patients with a more severe course of autoimmune hepatitis (AIH) and a propensity for relapse after corticosteroid withdrawal compared to their negative counterparts.


Tests offered by ORGENTEC Diagnostika


Anti-SLA (ORG 257)


Liver-9-Line (ORG 721)

Indirect immunofluorescence assays:

Anti-Nuclear Antibodies HEp-2 (ANA-HEp-2) (ORG 870, ORG 800)
Anti-Smooth Muscle Antibodies (ASMA) (ORG 877)


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