期刊
DERMATOLOGY
卷 238, 期 6, 页码 1076-1083出版社
KARGER
DOI: 10.1159/000524343
关键词
Nuclear hormone receptors; RAR; Retinoid X receptor; Vitamin D receptor
类别
资金
- Hungarian National Research, Development and Innovation Office [FK-132296, K-128250]
- Ministry for Innovation and Technology [UNKP-20-5-DE-4]
- Bolyai Janos Research Scholarship of the Hungarian Academy of Sciences [FK-132296]
- European Union
- European Regional Development Fund
- Doctoral School of Health Sciences, University of Debrecen
- [GINOP-2.3.2-15-2016-00005]
The study found a relationship between plasma vitamin D levels and the severity of atopic dermatitis, with low vitamin D levels associated with an increased incidence of atopic dermatitis. Levels of 1,25-dihydroxyvitamin D3 and 9-cis-13,14-dihydroretinoic acid were positively correlated with plasma IgE, EOS, and SCORAD values.
Background: Over the past decade, several controversial studies described a relationship between vitamin D and atopic diseases. Low plasma vitamin D levels or even vitamin D deficiency was associated with an increased incidence of atopic disease, postulating that a higher dietary intake of vitamin D may be a beneficial strategy against atopic diseases such as atopic dermatitis (AD). Objective: Our aim was to determine the relationship between plasma 25-hydroxyvitamin D3 (25(OH)D-3) levels, the levels of the ligand of the vitamin D receptor (VDR) heterodimerization partner as well as the retinoid X receptor (RXR) and the active vitamin A5 derivative 9-cis-13,14-dihydroretinoic acid (9CDHRA) and AD severity. Methods/Results: Samples from AD patients (n = 20) and healthy volunteers (n = 20) were assessed. In our study, the frequently measured VDR ligand precursor 25(OH)D-3 in addition to the VDR-ligand 1,25-dihydroxyvitamin D3 (1,25(OH)(2)D-3) and 9CDHRA displayed no different levels when compared with the plasma of AD patients and healthy volunteers. When performing further correlation studies focusing on AD patients, plasma 25(OH)D-3 levels showed a negative correlation with eosinophils in blood (EOS) and SCORing Atopic Dermatitis (SCORAD) values, while 1,25(OH)(2)D-3 and 9CDHRA levels correlated positively with plasma IgE, EOS, and SCORAD values. Conclusion: In consequence, the metabolic activation of vitamin D from 25(OH)D-3 towards 1,25(OH)(2)D-3 as well as the co-liganding of the RXR by 9CDHRA may be an important signalling mechanism, an important marker for AD development and severity as well as the basis for novel nutritional and pharmaceutical AD treatment options.
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