{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,26]],"date-time":"2026-06-26T04:57:22Z","timestamp":1782449842282,"version":"3.54.5"},"reference-count":102,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2026,3,6]],"date-time":"2026-03-06T00:00:00Z","timestamp":1772755200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100009687","name":"Wroclaw Medical University","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100009687","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Cells"],"abstract":"<jats:p>Iron deficiency (ID) has emerged as a pivotal yet underrecognized factor in the pathogenesis of immune-mediated inflammatory skin diseases (IMISDs) such as psoriasis, atopic dermatitis, and hidradenitis suppurativa. Beyond its classical role in erythropoiesis, iron acts as a key modulator of immune cell activity, redox balance, and overall metabolic homeostasis. This review synthesises the latest evidence on the intricate relationship between systemic inflammation, disturbances of iron metabolism, and immunometabolic imbalances that underline the pathogenesis of IMISDs. Findings indicate that chronic inflammation drives functional iron deficiency through IL-6\u2013hepcidin-mediated sequestration of iron, resulting in reduced bioavailability and altered mitochondrial activity in immune and epithelial cells. This imbalance is associated with excessive and chronically enhanced oxidative and inflammatory responses of these cells, further advancing inflammation, anaemia of chronic disease, and disturbances of tissue repair. Moreover, emerging evidence supports an \u201ciron-skin axis,\u201d and suggests that skin cells, particularly epidermal keratinocytes, are actively involved in the regulation of iron pathways. Collectively, these insights position iron homeostasis as a missing link between systemic inflammation, immunometabolic imbalance, and disease burden in IMISDs.<\/jats:p>","DOI":"10.3390\/cells15050478","type":"journal-article","created":{"date-parts":[[2026,3,6]],"date-time":"2026-03-06T11:05:44Z","timestamp":1772795144000},"page":"478","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Iron Deficiency in Immune-Mediated Inflammatory Skin Diseases: A Missing Link Between Systemic Inflammation, Immunometabolism, and Disease Burden"],"prefix":"10.3390","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0009-0008-9100-9321","authenticated-orcid":false,"given":"Emilia","family":"Kucharczyk","sequence":"first","affiliation":[{"name":"Faculty of Medicine, Wroclaw Medical University, Wybrze\u017ce L. Pasteura 1, 50-367 Wroclaw, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0009-5660-2143","authenticated-orcid":false,"given":"Klara","family":"Andrzejczak","sequence":"additional","affiliation":[{"name":"Faculty of Medicine, Wroclaw Medical University, Wybrze\u017ce L. Pasteura 1, 50-367 Wroclaw, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0000-7879-8305","authenticated-orcid":false,"given":"Karol","family":"Bili\u0144ski","sequence":"additional","affiliation":[{"name":"Faculty of Medicine, Wroclaw Medical University, Wybrze\u017ce L. Pasteura 1, 50-367 Wroclaw, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matylda","family":"Korgiel","sequence":"additional","affiliation":[{"name":"Faculty of Medicine, Wroclaw Medical University, Wybrze\u017ce L. Pasteura 1, 50-367 Wroclaw, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ma\u0142gorzata","family":"Ponikowska","sequence":"additional","affiliation":[{"name":"University Centre of General Dermatology and Oncodermatology, Wroclaw Medical University, ul. Borowska 213, 50-556 Wroc\u0142aw, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,3,6]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Podg\u00f3rska, A., Kicman, A., Naliwajko, S., Wacewicz-Muczy\u0144ska, M., and Niczyporuk, M. (2024). Zinc, Copper, and Iron in Selected Skin Diseases. Int. J. Mol. 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