Use of low concentrations of human IgA anti-tissue transglutaminase to rule out selective IgA deficiency in patients with suspected celiac disease.

Transglutaminase to Rule Out Selective IgA Deficiency in Patients with Suspected Celiac Disease, Eloy Fernández, Carlos Blanco, Sara Garcı́a, Angeles Dieguez, Sabino Riestra, and Lius Rodrigo ( Biochemistry Department, Hospital Cabueñes, Gijón, Spain; 2 Immunology and 3 Gastroenterology Departments, Hospital Central Asturias, Oviedo, Spain; * address correspondence to this author at: Biochemistry Department, Hospital de Cabueñes, Cabueñes s/n, 33394 Gijón, Asturias, Spain; fax 34-985185022, e-mail [email protected])