{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T21:25:45Z","timestamp":1790630745464,"version":"4.1.0"},"reference-count":127,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2020,3,3]],"date-time":"2020-03-03T00:00:00Z","timestamp":1583193600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100004281","name":"Narodowe Centrum Nauki","doi-asserted-by":"publisher","award":["UMO-2017\/27\/B\/NZ3\/02212"],"award-info":[{"award-number":["UMO-2017\/27\/B\/NZ3\/02212"]}],"id":[{"id":"10.13039\/501100004281","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Institute of Biochemistry and Biophysics of the Polish Academy of Sciences","award":["T-32.1"],"award-info":[{"award-number":["T-32.1"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Molecules"],"abstract":"<jats:p>Sphingolipids (SLs), which have structural and biological responsibilities in the human epidermis, are importantly involved in the maintenance of the skin barrier and regulate cellular processes, such as the proliferation, differentiation and apoptosis of keratinocytes (KCs). As many dermatologic diseases, including psoriasis (PsO), intricately characterized by perturbations in these cellular processes, are associated with altered composition and unbalanced metabolism of epidermal SLs, more education to precisely determine the role of SLs, especially in the pathogenesis of skin disorders, is needed. PsO is caused by a complex interplay between skin barrier disruption, immune dysregulation, host genetics and environmental triggers. The contribution of particular cellular compartments and organelles in SL metabolism, a process related to dysfunction of lysosomes in PsO, seems to have a significant impact on lysosomal signalling linked to a modulation of the immune-mediated inflammation accompanying this dermatosis and is not fully understood. It is also worth noting that a prominent skin disorder, such as PsO, has diminished levels of the main epidermal SL ceramide (Cer), reflecting altered SL metabolism, that may contribute not only to pathogenesis but also to disease severity and\/or progression. This review provides a brief synopsis of the implications of SLs in PsO, aims to elucidate the roles of these molecules in complex cellular processes deregulated in diseased skin tissue and highlights the need for increased research in the field. The significance of SLs as structural and signalling molecules and their actions in inflammation, in which these components are factors responsible for vascular endothelium abnormalities in the development of PsO, are discussed.<\/jats:p>","DOI":"10.3390\/molecules25051130","type":"journal-article","created":{"date-parts":[[2020,3,4]],"date-time":"2020-03-04T03:24:20Z","timestamp":1583292260000},"page":"1130","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":30,"title":["Unbalanced Sphingolipid Metabolism and Its Implications for the Pathogenesis of Psoriasis"],"prefix":"10.3390","volume":"25","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4612-555X","authenticated-orcid":false,"given":"Katarzyna","family":"Boche\u0144ska","sequence":"first","affiliation":[{"name":"Department of Medical Biology and Genetics, University of Gda\u0144sk, Wita Stwosza 59, 80\u2013308 Gda\u0144sk, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2664-8724","authenticated-orcid":false,"given":"Magdalena","family":"Gabig-Cimi\u0144ska","sequence":"additional","affiliation":[{"name":"Department of Medical Biology and Genetics, University of Gda\u0144sk, Wita Stwosza 59, 80\u2013308 Gda\u0144sk, Poland"},{"name":"Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Laboratory of Molecular Biology, K\u0142adki 24, 80\u2013822 Gda\u0144sk, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2020,3,3]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1007\/978-1-4419-6741-1_1","article-title":"An overview of sphingolipid metabolism: From synthesis to breakdown","volume":"688","author":"Gault","year":"2010","journal-title":"Adv. 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