{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,11]],"date-time":"2025-11-11T12:58:24Z","timestamp":1762865904418,"version":"3.40.4"},"reference-count":36,"publisher":"S. Karger AG","issue":"1","license":[{"start":{"date-parts":[[2012,1,1]],"date-time":"2012-01-01T00:00:00Z","timestamp":1325376000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.karger.com\/Services\/SiteLicenses"},{"start":{"date-parts":[[2012,1,1]],"date-time":"2012-01-01T00:00:00Z","timestamp":1325376000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.karger.com\/Services\/SiteLicenses"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Pathobiology"],"published-print":{"date-parts":[[2012]]},"abstract":"<jats:p>&lt;i&gt;Objective:&lt;\/i&gt; To investigate the &lt;i&gt;DNMT3B (C46359T)&lt;\/i&gt; polymorphism and immunoexpression of DNMT3b and DNMT1 in oral lichen planus (OLP) compared to a control group. &lt;i&gt;Methods:&lt;\/i&gt; We aimed to investigate the DNMT3B (C46359T) polymorphism and immunoexpression of DNMT3b and DNMT1 in OLP (n = 32), comparing it with oral mucosa (control; n = 24). The DNMT3B (C46359T) polymorphism was analyzed using the RFLP-PCR and DNMT1, and DNMT3a proteins were identified using immunohistochemistry. We also compared the DNMT3B expression in OLP and oral inflammatory fibrous hyperplasia (OIFH), another oral inflammatory disease. Differences between the groups were determined by specific statistical analyses. &lt;i&gt;Results:&lt;\/i&gt; The CT genotype of DNMT3B was associated with OLP development (p = 0.012). Increased expression of DNMT3B and DNMT1 was observed in OLP compared to the control group (p = 0.014 and p = 0.001, respectively). A significant increase in DNMT3B protein levels was observed in the genotype CT in &lt;i&gt;DNMT3B (C46359T)&lt;\/i&gt; polymorphisms (p = 0.045). No DNMT3B expression differences between OLP and OIFH were observed. &lt;i&gt;Conclusions:&lt;\/i&gt; Our data show that the &lt;i&gt;DNMT3B (C46359T)&lt;\/i&gt; polymorphism is associated with OLP development. Furthermore, increased expression of the enzyme DNMT3B, an epigenetic-associated protein, is present in OLP.<\/jats:p>","DOI":"10.1159\/000330171","type":"journal-article","created":{"date-parts":[[2012,1,11]],"date-time":"2012-01-11T10:16:31Z","timestamp":1326276991000},"page":"18-23","source":"Crossref","is-referenced-by-count":21,"title":["DNMT3B (C46359T) Polymorphisms and Immunoexpression of DNMT3b and DNMT1 Proteins in Oral Lichen Planus"],"prefix":"10.1159","volume":"79","author":[{"given":"Thiago","family":"Fonseca-Silva","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marcos Vin\u00edcius Macedo","family":"de Oliveira","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Carlos Alberto de Carvalho","family":"Fraga","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lucyana 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