Celiac disease may be rare among children in South China.

J Int Med Res

The First Affiliated Hospital, Jinan University, Guangzhou, China.

Published: February 2022

AI Article Synopsis

  • The study aimed to determine the prevalence of celiac disease (CD) among children in South China, addressing a gap in geographic and ethnic data on the condition.
  • Serum samples from 8,794 children were analyzed for specific antibodies associated with CD, and only three children tested positive for one of those antibodies, while others did not meet criteria for a CD diagnosis after further tests.
  • The results indicated a very low prevalence of CD autoimmunity at 0.034%, with no confirmed cases of the disease identified among the participants, suggesting CD is uncommon among South Chinese children.

Article Abstract

Objective: The prevalence of celiac disease (CD) varies geographically and ethnically; however, the prevalence among children in South China remains unknown. We therefore determined the occurrence of CD among Chinese children in South China.

Methods: Serum samples were collected from children and assessed for anti-tissue transglutaminase IgA antibodies (anti-tTG-IgA) and total IgA. Anti-tTG-IgA+ participants underwent human leukocyte antigen (HLA) DQ2/DQ8 determination. Samples with serum total IgA <0.05 g/L were also analyzed for anti-tTG-IgG, and for HLA-DQ2/DQ8 if the values were above borderline. Participants who were anti-tTG-IgA/IgG+ and HLA-DQ2+ and/or HLA-DQ8+ underwent small bowel biopsy.

Results: A total of 8794 children were enrolled, of whom 479 had chronic unexplained abdominal symptoms. Three (0.034%) children were anti-tTG-IgA+ and ten (0.114%) had serum total IgA <0.05 g/L, all of whom were anti-tTG-IgG-. The three positive children were all HLA-DQ2+ and/or HLA-DQ8+. Two underwent gastroscopy, and histopathology of small intestinal biopsy showed duodenal villous blunting in one and increased intraepithelial lymphocytes in the other, neither consistent with a diagnosis of CD.

Conclusion: Our study showed a prevalence of CD autoimmunity of 0.034% and failed to identify any cases of CD, suggesting a low prevalence of CD among children in South China.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8826112PMC
http://dx.doi.org/10.1177/03000605221076923DOI Listing

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