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. 2023 Jan;18(1):304-309.
doi: 10.1016/j.jds.2022.05.014. Epub 2022 Jun 4.

Detection of the peripheral blood antigens and clinical value in recurrent aphthous ulcer: A cross-section study

Dan Pan  1 , Mao-Feng Qing  1 , Dan-Hua Ma  1 , Jiao Wei  1   2 , Zhen Wang  1 , Lu-Yao Cai  1 , Hao Xu  1 , Yu Zhou  1 , Qian-Ming Chen  1
Affiliations

Detection of the peripheral blood antigens and clinical value in recurrent aphthous ulcer: A cross-section study

Dan Pan et al. J Dent Sci. 2023 Jan.

Abstract

Abstract background/purpose: Recurrent aphthous ulcer (RAU) is one of the most common diseases of oral mucosa, which is generally believed to be related to immunity, though the etiology is still unclear. It is suspected that allergies are directly related to RAU. So we sought to explore the relationship between hypersensitivity and RAU.

Materials and methods: 40 RAU patients who were in ulceration period and 40 people who were in good health were selected from Jan 2016 to Feb 2017, matched in age and sex. The peripheral blood antigens of 40 RAU patients and 40 healthy people was tested, and serum specific IgE (sIgE) with 6 groups of antigens and total IgE (tIgE) analysis was performed to identify IgE-mediated allergic reaction possibly affecting RAU. We then investigated the food intolerance and IgG levels to discover the correlation between non-IgE mediated allergic reaction and RAU.

Results: The positive cases and rate of sIgE in RAU group was higher than that of control, but the difference was not statistically significant (P＞0.05). Positive grade of animal fur scraps (EX1), house dust mixed (HX2) and the serum tIgE concentration of the RAU group were significantly higher than the control group (P＜0.05).The number of food intolerance in RAU group was significantly higher than that in control group (P＜0.05).

Conclusion: Our findings suggested certain correlation between RAU and anaphylaxis. Daily contact allergens and food intolerance may be one of the causes of RAU. Moreover, this provides reference value for clinical diagnosis and treatment.

Keywords: Allergen detection; Anaphylaxis; Food intolerance; Recurrent aphthous ulcer; Serum specific IgE.

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Conflict of interest statement

The authors have no conflicts of interest relevant to this article.

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