Abstract
Objective: To investigate the distribution characteristics of specific immunoglobulin E (IgE) to dust mite components in patients with atopic dermatitis (AD), aiming to provide a reference basis for the development of microarray protein chips for allergen component discrimination diagnosis and personalized desensitization therapy.Methods: A total of 55 patients who visited Huishan District People’s Hospital of Wuxi City, Xishan People’s Hospital of Wuxi City, and People’s Hospital of Wuxi City from January 2023 to December 2023 were selected. The results of serum total IgE (total IgE) and specific IgE detection were analyzed.Results: Among the 55 patients, 54 (98.2%) were positive (cutoff value > 0.35 Ua/mL, the normal value for serum total IgE is under 150–400 IU/mL) for serum total IgE antibodies, 52 (94.6%) were positive for Dermatophagoides pteronyssinus (Dp)–specific IgE antibodies, and 50 (90.9%) were positive for Dermatophagoides farinae (Df)–specific IgE antibodies. The protein chip results were consistent with the existing Phadia detection results.Conclusion: The development of chips based on CRD (component‐resolved diagnosis) cannot only rely on IgE binding rate to assist in precise treatment of patients but also choose personalized desensitization therapy, providing more practical recommendations for preventing cross‐allergy, avoiding allergic environments, or ingesting sensitizing foods for susceptible individuals.
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