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the claim
Celiac disease is closely linked with genes that code for human leukocyte antigens DQ2 and DQ8.
the verdict
SUPPORTED
the evidence backs this
Recorded sources
10 sources for · 0 against
Is it true that celiac disease is closely linked with genes that code for human leukocyte antigens DQ2 and DQ8?
Yes. Celiac disease is strongly linked to genetic susceptibility conferred by human leukocyte antigens DQ2 and DQ8, which are present in the vast majority of patients and possess a high negative predictive value for the condition.
Verdict: SUPPORTED · 10 sources for, 0 against · Last checked
The analysis
Every retrieved paper examining the genetic underpinnings of celiac disease confirms the well-established consensus that HLA-DQ2 and HLA-DQ8 are the primary genetic risk factors strongly linked to the condition.
Evidence for · 10
Demonstrates high frequencies of HLA-DQ2 and DQ8 haplotypes among celiac disease pediatric patients.
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Siddiqui, K., Uqaili, A. A., Rafiq, M., & Bhutto, M. A. (2021). Human leukocyte antigen (HLA)-DQ2 and -DQ8 haplotypes in celiac, celiac with type 1 diabetic, and celiac suspected pediatric cases. doi.org. https://doi.org/10.1097/md.0000000000024954
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More for · 9
Notes that the presence of HLA-DQ2 and/or HLA-DQ8 alleles is strongly linked to celiac disease pathogenesis.
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Salamon, D., Krawczyk, A., Zapała, B., Duplaga, M., Kowalska-Duplaga, K., & Gosiewski, T. (2026). Gut bacterial and fungal signatures in relation to human leukocyte antigen-DQ2/DQ8 in children with celiac disease and siblings. doi.org. https://doi.org/10.3748/wjg.v32.i10.116128
Evaluates the utility of HLA DQ2 and DQ8 genotypes as risk factors and diagnostic indicators for celiac disease.
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Lomash, A., Singh, R., Kumar, P., Batra, V., Dubey, A., Puri, A., Polipalli, S., Gupta, R., Dhingra, B., & Kapoor, S. (2023). Utility of human leukocyte antigen DQ2 and DQ8 genotypes in Celiac disease: Two sides of the coin. doi.org. https://doi.org/10.18103/mra.v11i1.2864
Highlights that HLA-DQ2/DQ8 genotyping has a high negative predictive value useful for excluding celiac disease.
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VN, D., M, A., A, C., F, C., F, S., C, D., SP, C., G, l. G., & R, F. (2026). A systematic review of celiac disease recommendations for children with Down syndrome.. doi.org. https://doi.org/10.1002/jpn3.70469
States that celiac disease is driven by dietary gluten in individuals genetically predisposed primarily via HLA-DQ2 and HLA-DQ8.
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S, R., X, M., FG, C., & EF, V. (2026). Gene-Environment Interactions in Celiac Disease: The Role of the Intestinal Epithelium.. doi.org. https://doi.org/10.1159/000551888
Explains that gluten ingestion triggers chronic inflammation and tissue damage in people carrying HLA-DQ2 or HLA-DQ8 alleles.
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I, M., S, S., E, T., P, D. V., E, D. C., & G, M. (2026). Immune cell dynamics and mechanisms of epithelial injury in celiac disease.. doi.org. https://doi.org/10.3389/fimmu.2026.1766513
Identifies HLA-DQ2 or HLA-DQ8 as the primary genetic markers in celiac disease susceptibility.
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M, R. & D, C. (2026). Unraveling the Complexity of Celiac Disease: A Narrative Review of Its Multisystem Nature.. doi.org. https://doi.org/10.3390/medicina62010120
Confirms statistically significant frequencies of HLA-DQ2 and DQ8 haplotypes in celiac disease children.
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Shamraiz, I., Naz, S., Idrees, S., Ikram, F., Khan, H., & Khan, S. (2025). Human Leukocyte Antigen (HLA) DQ2 and DQ8 Haplotypes in Children with Celiac Disease. doi.org. https://doi.org/10.51253/pafmj.v75i1.10651
Finds that the vast majority of celiac disease patients carry at least one copy of these key risk alleles.
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Costa, M. S., Pegoraro, G. R., Silva, C. S. F. d., Schneider, A., Schadock, I., Botelho, F. T., & Barros, C. C. (2024). Association of HLA-DQ2 and HLA-DQ8 risk alleles to intestinal injury and serology in patients with celiac disease. doi.org. https://doi.org/10.1590/1678-9865202437e220188
Establishes through large-scale screening that HLA-DQ2.5, -DQ2.2, or -DQ8 allotypes are necessary for celiac disease development.
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R, H., IL, A., P, L., K, H., I, J., KEA, L., P, M., E, R., E, N., & LM, S. (2026). Human Leukocyte Antigen-DQ Allotypes in Adults Screened for Celiac Disease Reveal Historical Misdiagnosis - Results From the Trøndelag Health Study.. doi.org. https://doi.org/10.1016/j.cgh.2026.07.033
What does the evidence say?
Every retrieved paper examining the genetic underpinnings of celiac disease confirms the well-established consensus that HLA-DQ2 and HLA-DQ8 are the primary genetic risk factors strongly linked to the condition.
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