{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,6]],"date-time":"2025-10-06T09:27:39Z","timestamp":1759742859937,"version":"3.40.5"},"reference-count":41,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2020,7,8]],"date-time":"2020-07-08T00:00:00Z","timestamp":1594166400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"Polish Ministry of Science and Higher Education","award":["02-0066\/07\/253"],"award-info":[{"award-number":["02-0066\/07\/253"]}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Int J Dermatology"],"published-print":{"date-parts":[[2020,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Deregulation of signal transducer and activator of transcription (STAT) signaling is known to participate in the pathogenesis of cutaneous T\u2010cell lymphomas (CTCLs). However, published results regarding STAT expression in different stages of CTCLs are conflicting. The aim of the study was to define the pattern of STAT expression in skin and detect any differences between pruritic and nonpruritic patients but also different stages of disease.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Thirty\u2010nine skin biopsies from CTCL patients and 24 biopsies from healthy volunteers were taken. Immunohistochemical staining for STAT 3, 5a, 5b, and 6 was performed in formalin\u2010fixed paraffin\u2010embedded sections of mycosis fungoides (MF) and Sezary syndrome (SS) specimens.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>We found increased expression of STAT proteins in CTCL: MF and SS skin in comparison to the control group. STAT5 but also STAT6 and to a lesser extent STAT3 seems to be constitutively activated in MF and SS. Moreover, also downregulation of STAT5b protein in advanced\u2010stage CTCL appears to contribute to its pathogenesis. There were no significant associations between expression of STATs and pruritus severity.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Our results confirm the possible pathogenetic role of STATs in CTCL. STATs seem to be a promising target for new effective therapeutic agents in CTCL.<\/jats:p><\/jats:sec>","DOI":"10.1111\/ijd.15036","type":"journal-article","created":{"date-parts":[[2020,7,9]],"date-time":"2020-07-09T06:46:10Z","timestamp":1594277170000},"page":"1106-1112","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Mapping signal transducer and activator of transcription (STAT) activity in different stages of mycosis fungoides and Sezary syndrome"],"prefix":"10.1111","volume":"59","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9790-6084","authenticated-orcid":false,"given":"Berenika","family":"Olszewska","sequence":"first","affiliation":[{"name":"Department of Dermatology, Venereology and Allergology Medical University of Gda\u0144sk Gda\u0144sk Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anton","family":"\u017bawrocki","sequence":"additional","affiliation":[{"name":"Department 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