{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,25]],"date-time":"2026-06-25T23:39:10Z","timestamp":1782430750980,"version":"3.54.5"},"reference-count":106,"publisher":"MDPI AG","issue":"9","license":[{"start":{"date-parts":[[2020,4,27]],"date-time":"2020-04-27T00:00:00Z","timestamp":1587945600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Molecules"],"abstract":"<jats:p>Anemia is the main extra-gastrointestinal symptom in inflammatory bowel diseases (IBDs). Interleukin-6 (IL-6) and other cytokines are secreted and act in the microenvironment of the small intestine mucous membrane of IBD patients. Iron is essential for multiple cell functions and its homeostasis is regulated by the hepcidin\u2013ferroportin axis. Hepcidin (HEPC) is mainly produced by the liver in response to iron needs but is also an acute phase protein. During inflammation, hepcidin is upregulated by IL-6 and is responsible for iron compartmentalization within cells, in turn causing anemia of inflammation. Tissues other than liver can produce hepcidin in response to inflammatory stimuli, in order to decrease iron efflux at a local level, then acting in an autocrine\u2013paracrine manner. In IBDs and, in particular, in celiac disease (CeD), IL-6 might trigger the expression, upregulation and secretion of hepcidin in the small intestine, reducing iron efflux and exacerbating defective iron absorption. 7-Hydroxymatairesinol (7-HMR) belongs to the family of lignans, polyphenolic compounds produced by plants, and has nutraceutical antioxidant, anti-inflammatory and estrogenic properties. In this mini-review we revise the role of inflammation in IBDs and in particular in CeD, focusing our attention on the close link among inflammation, anemia and iron metabolism. We also briefly describe the anti-inflammatory and estrogenic activity of 7-HMR contained in foods that are often consumed by CeD patients. Finally, considering that HEPC expression is regulated by iron needs, inflammation and estrogens, we explored the hypothesis that 7-HMR consumption could ameliorate anemia in CeD using Caco-2 cells as bowel model. Further studies are needed to verify the regulation pathway through which 7-HMR may interfere with the local production of HEPC in bowel.<\/jats:p>","DOI":"10.3390\/molecules25092041","type":"journal-article","created":{"date-parts":[[2020,4,29]],"date-time":"2020-04-29T01:24:18Z","timestamp":1588123458000},"page":"2041","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Iron Absorption in Celiac Disease and Nutraceutical Effect of 7-Hydroxymatairesinol. Mini-Review"],"prefix":"10.3390","volume":"25","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3902-3376","authenticated-orcid":false,"given":"Isabella","family":"Zanella","sequence":"first","affiliation":[{"name":"Department of Molecular and Translational Medicine, University of Brescia Viale Europa 11, 25123 Brescia, Italy"},{"name":"Clinical Chemistry Laboratory, Diagnostic Department, ASST Spedali Civili di Brescia Piazzale Spedali Civili 1, 25123 Brescia, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Giulia","family":"Paiardi","sequence":"additional","affiliation":[{"name":"Department of Molecular and Translational Medicine, University of Brescia Viale Europa 11, 25123 Brescia, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Diego","family":"Di Lorenzo","sequence":"additional","affiliation":[{"name":"Clinical Chemistry Laboratory, Diagnostic Department, ASST Spedali Civili di Brescia Piazzale Spedali Civili 1, 25123 Brescia, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7495-7807","authenticated-orcid":false,"given":"Giorgio","family":"Biasiotto","sequence":"additional","affiliation":[{"name":"Department of Molecular and Translational Medicine, University of Brescia Viale Europa 11, 25123 Brescia, Italy"},{"name":"Clinical Chemistry Laboratory, Diagnostic Department, ASST Spedali Civili di Brescia Piazzale Spedali Civili 1, 25123 Brescia, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2020,4,27]]},"reference":[{"key":"ref_1","first-page":"246","article-title":"The gut is still the biggest lymphoid organ in the body","volume":"1","author":"MacDonald","year":"2008","journal-title":"Mucosal Immunol."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"319","DOI":"10.1111\/bjh.15254","article-title":"Pathogenesis, diagnosis and treatment of anaemia in immune-mediated gastrointestinal disorders","volume":"182","author":"Bergamaschi","year":"2018","journal-title":"Br. 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