TGM2 and celiac disease: A similar approach was described by Neves et al. [42] for detection of IgA- and IgG-type anti-tissue transglutaminase (anti-tTG) autoantibodies in real samples from patients suffering with celiac disease, using MWCNT/AuNPs as substrate and AlkP-labeled secondary anti-IgG antibodies for amplification.