{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T19:18:01Z","timestamp":1790882281221,"version":"4.1.0"},"reference-count":49,"publisher":"Wiley","issue":"17","license":[{"start":{"date-parts":[[2020,7,9]],"date-time":"2020-07-09T00:00:00Z","timestamp":1594252800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100009388","name":"Jazan University","doi-asserted-by":"publisher","award":["1067568103"],"award-info":[{"award-number":["1067568103"]}],"id":[{"id":"10.13039\/100009388","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Cancer Medicine"],"published-print":{"date-parts":[[2020,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Aims<\/jats:title><jats:p>The dynamics and topographical distribution of SOX17 and SOX2 expression was studied in the transformation zone (TZ) of the uterine cervix. This TZ is a dynamic area where switches from glandular into squamous epithelium can be recognized, new squamocolumnar junctions are formed, and premalignant lesions originate. SOX17 and SOX2 show mutually exclusive expression patterns in the normal uterine cervix, with SOX2 being exclusively found in squamous epithelium, while SOX17 is detected in endocervical columnar cells and reserve cells.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods and Results<\/jats:title><jats:p>Normal cervices and squamous intraepithelial lesions (SIL) were studied with immunohistochemistry, methylation of SOX17, human papilloma virus (HPV) genotyping, and in situ hybridization. In the TZ squamous metaplasia originating from these reserve cells can still show SOX17 expression, while also remnants of SOX17\u2010positive immature metaplasia can be recognized in the normal squamous epithelium. SOX17 expression is gradually lost during maturation, resulting in the exclusive expression of SOX2 in the majority of (SIL). This loss of SOX17 expression is independent of methylation of the CpG island in its promotor region. HPV can be detected in SOX17\u2010positive immature metaplastic regions in the immediate vicinity of SOX2\u2010positive SIL, suggesting that switches in SOX17 and 2 expression can occur upon HPV infection.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>This switch in expression, and the strong association between the distribution of reserve cells and squamous areas within the columnar epithelium in the TZ, suggests that reserve cell proliferations, next to basal cells in the squamous epithelium, are potential targets for the formation of squamous lesions upon viral infection.<\/jats:p><\/jats:sec>","DOI":"10.1002\/cam4.3201","type":"journal-article","created":{"date-parts":[[2020,7,9]],"date-time":"2020-07-09T15:54:33Z","timestamp":1594310073000},"page":"6330-6343","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":17,"title":["Switches of SOX17 and SOX2 expression in the development of squamous metaplasia and squamous intraepithelial lesions of the uterine cervix"],"prefix":"10.1002","volume":"9","author":[{"given":"Jobran M.","family":"Moshi","sequence":"first","affiliation":[{"name":"Department of Molecular Cell Biology GROW School for Oncology &amp; Developmental Biology Maastricht University Medical Centre Maastricht The Netherlands"},{"name":"Department of Medical Laboratory Technology Faculty of Applied Medical Sciences Jazan University Jazan Kingdom of Saudi Arabia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Klaas J.","family":"Hoogduin","sequence":"additional","affiliation":[{"name":"Laboratory of Pathology Pathan B.V. 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