{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T20:21:06Z","timestamp":1787775666110,"version":"build-2784847793"},"reference-count":25,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"1","license":[{"start":{"date-parts":[[2024,1,1]],"date-time":"2024-01-01T00:00:00Z","timestamp":1704067200000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-sa\/4.0"}],"content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2024,1]]},"abstract":"<jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>Oral squamous cell carcinoma (OSCC) is a prevalent malignancy with significant morbidity and mortality. Identifying potential premalignant lesions is crucial for early detection and effective management. Lichen planus (LP), a chronic inflammatory disorder has been associated with an increased risk of developing OSCC. This study aimed to assess the diagnostic importance of p16 and p53 expression in identifying LP as a potential premalignant lesion for OSCC.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and Methods:<\/jats:title>\n                    <jats:p>\n                      A retrospective analysis was conducted on archived tissue samples from patients diagnosed with LP (\n                      <jats:italic toggle=\"yes\">n<\/jats:italic>\n                      = 80) and OSCC (\n                      <jats:italic toggle=\"yes\">n<\/jats:italic>\n                      = 60) between 2017 and 2022. Immunohistochemistry was performed to evaluate p16 and p53 protein expression levels in both LP and OSCC tissues. Clinical data, including patient demographics and lesion characteristics, were collected and correlated with the immunohistochemical findings.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results and Discussion:<\/jats:title>\n                    <jats:p>\n                      The results revealed a significantly higher prevalence of p16 and p53 expression in LP tissues compared to normal oral mucosa (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; 0.001). Notably, p16 expression was observed in 70% of LP cases, while p53 was detected in 55% of LP cases. Furthermore, a significant association was established between p53 expression and the presence of dysplasia within LP lesions (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.003). This indicates the potential of p53 as a predictive biomarker for malignant transformation in LP. The correlation between p16 and p53 expression levels in LP and OSCC tissues suggests a potential mechanistic link between LP and OSCC development.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>This study underscores the diagnostic importance of p16 and p53 expression as potential markers for identifying LP as a premalignant lesion in the context of OSCC. The elevated prevalence of these markers in LP tissues suggests a potential role in predicting malignant transformation. The findings contribute to a deeper understanding of the molecular pathways underlying OSCC development from LP and emphasize the need for regular monitoring and early intervention in patients diagnosed with LP. Further prospective studies are warranted to validate these findings and to explore the clinical utility of p16 and p53 as biomarkers for predicting OSCC risk in LP patients.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.4103\/jomfp.jomfp_427_23","type":"journal-article","created":{"date-parts":[[2024,4,15]],"date-time":"2024-04-15T04:01:42Z","timestamp":1713153702000},"page":"56-61","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":2,"title":["Prevalence and diagnostic significance of p16, p53 expression in lichen planus as a potential premalignant lesion in oral squamous cell carcinoma"],"prefix":"10.4103","volume":"28","author":[{"given":"Nivethitha","family":"Sridharan","sequence":"first","affiliation":[{"name":"Department of Pathology, SRM Medical College Hospital and Research Centre, Chennai, Tamil Nadu, 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