Article Text
Correspondence
Re: Whither smooth muscle antibodies in the third millennium?
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- smooth muscle antibodies
- antinuclear antibodies
- Hep2 cells
- type 1 autoimmune hepatitis
- actin specific antibodies
We read with great interest the article by Silvestrini et al.1 In November 1999, patient 1 (table 1) presented with malaise, arthralgia, thrombocytopaenia, low complement values, abnormal liver function tests, a strong homogeneous antinuclear antibody (ANA) result, and smooth muscle antibodies. We demonstrated that this patient's smooth muscle antibodies were specific for actin using Hep2 cells, a result that is suggestive of type 1 autoimmune hepatitis, and which was later confirmed by liver biopsy. Since then, we have tried to determine the target specificity of smooth muscle antibodies in …