Observational studyThe Journal of clinical endocrinology and metabolism2026
Glucometabolic Control and Anti-Transglutaminase Antibodies at Celiac Disease Onset in Type 1 Diabetes Youth.
Observational study in The Journal of clinical endocrinology and metabolism, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Glucometabolic Control and Anti-Transglutaminase Antibodies at Celiac Disease Onset in Type 1 Diabetes Youth.The Journal of clinical endocrinology and metabolism · 2026Observational
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Authors and funding
31 authors.
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No grant is acknowledged in the PubMed record.
Abstract
contextAnti-transglutaminase antibodies (anti-TTG IgA) titer is associated with mucosal damage in celiac disease (CD).
objectiveThe primary focus was to correlate anti-TTG IgA titer, HbA1c when CD occurs (HbA1cCD), and Marsh grade in children and adolescents with type 1 diabetes (T1D) at the time of CD diagnosis. As secondary outcomes, we assessed the optimal anti-TTG IgA upper limit of normal (ULN) cutoff for sparing biopsy, and personal and familial autoimmunity history in the individuals with T1D and CD (T1D-CD) compared with T1D-only.
methodsIn this retrospective observational study, among 6933 individuals with T1D onset (2010-2019), 556 were grouped according to CD onset: before (CD_FIRST), concomitant (CD_CONCOMITANT), or after T1D (T1D_FIRST), and compared with 141 T1D without CD. Measures included HbA1cCD, fold-anti-TTG IgA, anti-TTG IgA cutoff, and autoimmunity history of both groups, as well as Marsh grade in T1D-CD.
resultsIn youths with T1D, HbA1cCD was associated with increased fold-anti-TTG IgA (Spearman r = 0.14, P = .0047). The optimal anti-TTG IgA cutoff for sparing biopsy was 11 ULN. Autoimmunity was prevalent in T1D-CD individuals, who showed more comorbidities than controls (χ2 25.4, P < .001), particularly the CD_FIRST (P < .001).
conclusionIn children with T1D-CD, worse glucometabolic control is associated with an increase in fold anti-TTG IgA and with worse Marsh grade. A slightly higher anti-TTG IgA cutoff may be necessary for sparing biopsy compared to children in the general population. Higher prevalence of autoimmune comorbidities in CD_FIRST suggests that screening for T1D in the CD population should be mandatory.
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