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. 2022 Apr;14(2):192-199.
doi: 10.34172/mejdd.2022.272. Epub 2022 Apr 30.

Introducing New Potential Biomarkers for Celiac Disease among the Genes Extracted from General Databases

Ensieh Khalkhal  1 , Mostafa Rezaei-Tavirani  1 , Nastaran Asri  2 , Fatemeh Nobakht  3 , Somayeh Jahani-Sherafat  4 , Mohammad Hosain Haidari  1 , Mohammad Rostami-Nejad  2
Affiliations

Introducing New Potential Biomarkers for Celiac Disease among the Genes Extracted from General Databases

Ensieh Khalkhal et al. Middle East J Dig Dis. 2022 Apr.

Abstract

BACKGROUND: Inflammatory cytokines play roles in the pathogenesis of celiac disease. To introduce new diagnostic markers in patients with celiac disease for easy, fast, low cost, and non-invasive diagnosis, we evaluated the peripheral blood expression levels of interleukin-15 (IL-15), interleukin-17A (IL-17A), interleukin23A (IL-23A), granzyme B (GzmB), T-box transcription factor 21 (TBX21), and tumor necrosis factor alpha-induced protein 3 (TNFAIP3) of patients compared with the healthy controls, which were extracted from public databases organized in a protein-protein interaction network, in this group. METHODS: Peripheral blood mononuclear cells were collected from 30 patients with celiac disease and 30 healthy subjects. Total RNA was extracted, and mRNA expression levels of targeted genes were investigated by the quantitative real-time polymerase chain reaction (PCR) method. SPSS software was used for statistical analysis. Receiver operating characteristic (ROC) curve analysis was performed to characterize the diagnostic ability of the studied genes. RESULTS: The expression of IL-15, IL-17A, IL-23A, GzmB, TBX21, and TNFAIP3 genes in peripheral blood mononuclear cells of patients with celiac disease showed a significant increase compared with the control group. Among them, TNFAIP3, IL23A, and GzmB have better resolution and diagnostic value in differentiating patients with celiac disease from healthy controls. CONCLUSION: Our results suggest that TNFAIP3, IL23A, and GzmB could be useful and sensible markers in differentiating patients with celiac disease from healthy controls. However, the diagnostic relevance of other genes recognized by pathway analysis needs to be further investigated.

Keywords: Autoimmune diseases; Blood; Celiac disease; Inflammation; Polymerase chain reaction.

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Conflict of interest statement

CONFLICT OF INTEREST The authors declare no conflict of interest related to this work.

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