AI Article Synopsis
- Bullous pemphigoid (BP) is an autoimmune skin disease influenced by dietary habits, prompting a study comparing dietary intake between Japanese BP patients and healthy individuals.
- The study found BP patients consumed less vitamin A (retinol) and beverages, and more spices; their disease severity correlated with certain nutrient intakes.
- The researchers suggest that vitamin A supplementation may help prevent or treat BP symptoms due to its notable dietary associations with the disease severity.
Article Abstract
Background: Bullous pemphigoid (BP) is an autoimmune subepidermal blistering disease. Dietary habits may modulate the pathogenesis of BP.
Objectives: We evaluated dietary habits in Japanese patients with BP and compared their results to those of age- and sex-matched healthy controls. We also examined the relationship between dietary habits versus IgG anti-BP180NC16A antibody or parameters of BP disease area index (BPDAI); cutaneous blisters/erosions, cutaneous urticaria/erythema, and mucosal blisters/erosions.
Materials & Methods: Dietary habits were assessed by the validated, Brief-type self-administered Diet History Questionnaire. Severity of disease was assessed with BPDAI.
Results: Patients with BP showed a lower intake of retinol (vitamin A1) and beverages, and a higher intake of seasoning/spices, compared to controls. The bivariate and multivariable logistic regression analysis showed that BP was associated with a low intake of retinol and beverages. There were no significant correlations between IgG anti-BP180NC16A antibody levels and intake of nutrients/foods. The BPDAI score for cutaneous blisters/erosions significantly positively correlated with intake of carbohydrate and negatively with intake of retinol, vitamin A, animal fat, cholesterol, phosphorus, and vitamin B2. The BPDAI score for cutaneous urticaria/erythema significantly negatively correlated with intake of vitamin A. BP patients with mucosal blisters/erosions had a higher intake of cholesterol, n-6 polyunsaturated fatty acid, and eggs, and lower intake of seasoning/spices, compared to patients without BP.
Conclusion: The supplementation of vitamin A might have prophylactic and/or therapeutic effects on BP.
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| http://dx.doi.org/10.1684/ejd.2023.4527 | DOI Listing |
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