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Celiac disease is characterized by mucosal changes in the small intestine, ranging from increased numbers of intraepithelial lymphocytes to complete villus effacement with various signs of malabsorption (
1
,
2
). Celiac disease is diagnosed by the demonstration of an altered intestinal mucosa in a jejunal biopsy specimen (
3
). Celiac disease patients invariably have antibodies directed against gliadin and endomysium, a structural component of the extracellular matrix: both antibodies disappear under a gluten-free diet. Therefore, these antibodies are useful tools for diagnosis, and in the dietary control of coeliac disease (
3
–
7
). Serum IgA antibodies against endomysial antibodies (EMAs) are especially considered to be sensitive and highly specific markers for celiac disease (
8
)(
9
). Previously, EMAs were detected by indirect immunofluorescence on tissue slides of monkey esophagus or human umbilical cord (
10
–
12
).