{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T04:34:23Z","timestamp":1787027663585,"version":"build-2736575974"},"reference-count":49,"publisher":"MDPI AG","issue":"2","license":[{"start":{"date-parts":[[2024,2,11]],"date-time":"2024-02-11T00:00:00Z","timestamp":1707609600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Research Council of Lithuania","award":["S-LLT-20-1"],"award-info":[{"award-number":["S-LLT-20-1"]}]},{"name":"Research Council of Lithuania","award":["P-LLT-20-4"],"award-info":[{"award-number":["P-LLT-20-4"]}]},{"name":"Research Foundation of Lithuanian University of Health Sciences","award":["S-LLT-20-1"],"award-info":[{"award-number":["S-LLT-20-1"]}]},{"name":"Research Foundation of Lithuanian University of Health Sciences","award":["P-LLT-20-4"],"award-info":[{"award-number":["P-LLT-20-4"]}]}],"content-domain":{"domain":["www.mdpi.com"],"crossmark-restriction":true},"short-container-title":["Biomolecules"],"abstract":"<jats:p>Background: In order to improve the control of atopic diseases, it is important to clarify the pathogenesis of atopy and identify its various triggers. Single nucleotide polymorphisms (SNPs) of the vitamin D receptor gene (VDR) may impact atopy. The aim of this study was to investigate the possible associations between VDR SNPs and vitamin D, total IgE, and eosinophils in atopy. Methods: In total, 203 adults, including 122 patients with atopic diseases (45 with atopic dermatitis, 77 with allergic asthma) and 81 healthy controls, were involved in the study. The blood eosinophil count was determined with an automated hematology analyzer. Vitamin D and total immunoglobulin E (IgE) levels were evaluated using the ELISA method. Polymorphisms in the VDR gene were analyzed with real-time PCR using TaqMan probes. Results: We analyzed six VDR single nucleotide polymorphisms and found a significant association between VDR rs731236 GG genotype and normal vitamin D levels in atopic patients and healthy subjects (OR 11.33; 95% CI: 1.049\u2013122.388 and OR 4.04; 95% CI: 1.117\u201314.588, respectively, p &lt; 0.05). Additionally, the study results revealed a significant relationship between the VDR rs2228570 GG genotype and normal vitamin D levels in patients with atopy and healthy subjects (OR 3.80; 95% CI: 1.190\u201312.134 and OR 2.09; 95% CI: 1.044\u20134.194, respectively, p &lt; 0.05). The rs2228570 allele A was associated with decreased vitamin D levels in patients with atopy and healthy subjects (OR 0.28; 95% CI: 0.098\u20130.804 and OR 0.229; 95% CI: 0.069\u20130.761, respectively, p &lt; 0.05). The VDR rs3847987 genotypes AA and AC were significantly associated with normal vitamin D levels in healthy subjects (OR 35.99; 95% CI: 6.401\u2013202.446 and OR 4.72; 95% CI: 1.489\u201315.007, respectively, p &lt; 0.05). In addition, a decreased amount of vitamin D was associated with atopic diseases such as atopic dermatitis and allergic asthma (OR 0.49; 95% CI: 0.439\u20131.308 and OR 0.58; 95% CI: 0.372\u20130.908, respectively, p &lt; 0.05). The rs11168293 allele T was associated with the normal range of total IgE in atopy (OR 2.366; 95% CI: 1.133\u20135.027; p &lt; 0.05). Significant associations were found between VDR rs731263 allele G, rs11168293 allele G, and increased blood eosinophil levels in patients with atopy (OR 0.319; 95% CI: 0.163\u20130.934 and OR 0.323; 95% CI: 0.112\u20130.935, respectively, p &lt; 0.05). Conclusions: A decreased vitamin D level showed a significant relationship with atopic diseases (atopic dermatitis and allergic asthma). The association between the VDR gene polymorphisms rs2228570, rs731236, and rs11168293 and vitamin D, total IgE, and blood eosinophils in patients with atopy suggested that VDR polymorphisms and the vitamin D level should be considered when examining the factors associated with atopy.<\/jats:p>","DOI":"10.3390\/biom14020212","type":"journal-article","created":{"date-parts":[[2024,2,12]],"date-time":"2024-02-12T03:50:27Z","timestamp":1707709827000},"page":"212","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["The Association of Vitamin D Receptor Gene Polymorphisms with Vitamin D, Total IgE, and Blood Eosinophils in Patients with Atopy"],"prefix":"10.3390","volume":"14","author":[{"given":"Daina","family":"Bastyte","sequence":"first","affiliation":[{"name":"Department of Immunology and Allergology, Lithuanian University of Health Sciences, LT-50161 Kaunas, Lithuania"},{"name":"Laboratory of Immunology, Department of Immunology and Allergology, Lithuanian University of Health Sciences, LT-50161 Kaunas, Lithuania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Laura","family":"Tamasauskiene","sequence":"additional","affiliation":[{"name":"Department of Immunology and Allergology, Lithuanian University of Health Sciences, LT-50161 Kaunas, Lithuania"},{"name":"Laboratory of Immunology, Department of Immunology and Allergology, Lithuanian University of Health Sciences, LT-50161 Kaunas, Lithuania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2739-8576","authenticated-orcid":false,"given":"Ieva","family":"Stakaitiene","sequence":"additional","affiliation":[{"name":"Department of Genetics and Molecular Medicine, Lithuanian University of Health Sciences, LT-50161 Kaunas, Lithuania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rasa","family":"Ugenskiene","sequence":"additional","affiliation":[{"name":"Department of Genetics and Molecular Medicine, Lithuanian University of Health Sciences, LT-50161 Kaunas, Lithuania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Brigita","family":"Gradauskiene (Sitkauskiene)","sequence":"additional","affiliation":[{"name":"Department of Immunology and Allergology, Lithuanian University of Health Sciences, LT-50161 Kaunas, Lithuania"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2024,2,11]]},"reference":[{"key":"ref_1","first-page":"202","article-title":"The Atopic March: Progression from Atopic Dermatitis to Allergic Rhinitis and Asthma","volume":"5","author":"Bantz","year":"2014","journal-title":"J. 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