{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,9]],"date-time":"2026-10-09T23:26:32Z","timestamp":1791588392250,"version":"4.3.4"},"reference-count":133,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2021,3,21]],"date-time":"2021-03-21T00:00:00Z","timestamp":1616284800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Nutrients"],"abstract":"<jats:p>Worldwide, the prevalence of allergies in young children, but also vitamin D deficiency during pregnancy and in newborns is rising. Vitamin D modulates the development and activity of the immune system and a low vitamin D status during pregnancy and in early life might be associated with an increased risk to develop an allergy during early childhood. This review studies the effects of vitamin D during gestation and early life, on allergy susceptibility in infants. The bioactive form of vitamin D, 1,25(OH)2D, inhibits maturation and results in immature dendritic cells that cause a decreased differentiation of naive T cells into effector T cells. Nevertheless, the development of regulatory T cells and the production of interleukin-10 was increased. Consequently, a more tolerogenic immune response developed against antigens. Secondly, binding of 1,25(OH)2D to epithelial cells induces the expression of tight junction proteins resulting in enhanced epithelial barrier function. Thirdly, 1,25(OH)2D increased the expression of anti-microbial peptides by epithelial cells that also promoted the defense mechanism against pathogens, by preventing an invasive penetration of pathogens. Immune intervention by vitamin D supplementation can mitigate the disease burden from asthma and allergy. In conclusion, our review indicates that a sufficient vitamin D status during gestation and early life can lower the susceptibility to develop an allergy in infants although there remains a need for more causal evidence.<\/jats:p>","DOI":"10.3390\/nu13031015","type":"journal-article","created":{"date-parts":[[2021,3,21]],"date-time":"2021-03-21T23:47:41Z","timestamp":1616370461000},"page":"1015","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":37,"title":["Vitamin D and Allergy Susceptibility during Gestation and Early Life"],"prefix":"10.3390","volume":"13","author":[{"given":"Daniela","family":"Briceno Noriega","sequence":"first","affiliation":[{"name":"Cell Biology and Immunology Group, Wageningen University &amp; Research, 6708 WD Wageningen, The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6236-7092","authenticated-orcid":false,"given":"Huub F. J.","family":"Savelkoul","sequence":"additional","affiliation":[{"name":"Cell Biology and Immunology Group, Wageningen University &amp; Research, 6708 WD Wageningen, The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2021,3,21]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"8","DOI":"10.1186\/s13601-015-0051-1","article-title":"Food allergy in the Netherlands: Differences in clinical severity, causative foods, sensitization and DBPCFC between community and outpatients","volume":"5","author":"Le","year":"2015","journal-title":"Clin. Transl. Allergy"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"3270","DOI":"10.1111\/jcmm.13607","article-title":"Cellular and molecular mechanisms of vitamin D in food allergy","volume":"22","author":"Poole","year":"2018","journal-title":"J. Cell. Mol. Med."},{"key":"ref_3","unstructured":"Loddenkemper, R., Gibson, G.J., and Sibille, Y. (2003). 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