Abdus Saboor, Kalsoom Muhammad, Ilyas Rehman, Abbas Saleem Khan, Muhammad Mumtaz Khan.
Association of Serum Soluble E-Cadherin Levels with Oral Potentially Malignant Disorders in Tobacco Users and Non-Users.
J Saidu Med Col Jan ;11(3):156-61.

Background: Oral Potentially Malignant Disorders (OPMDs) transforms into Oral Squamous Cell Carcinoma (OSCC) but this trans formation is not steadfast and depends on multiple factors. E-cadherin, a calcium-dependent cell-cell adhesion molecule plays pivotal role in epithelial cell behavior, tissue formation, and suppression of cancer and participates in signal transduction of various cellular events including polarity, differentiation, growth and migration. The serum E-cadherin level are raised in cancer patients. Objective: We designed the study to compare soluble E-cadherin levels in the serum of patients with OPMDs and healthy control among tobacco users and non-users. Material and Methods: This comparative cross sectional study was conducted at Peshawar Dental College, Khyber College of Dentistry, and Bacha Khan Dental College on the serum samples of 80 subjects, comprising of40 cases of OPMDs and40 healthy controls, by adopting non-probability consecutive sampling technique. The serum was analyzed for soluble E-cadherin levels/concentration by ELISA method. Data was recorded, evaluated and analyzed by SPSS version 23. Results: In OPMDs (Group A) 29 (72.5 %) were tobacco user and 11 (27.5 %) were non-users while in healthy controls (Group B)only 7 (17.5 %) were tobacco user and 33 (82.5 %) were non-users The mean serum soluble E-cadherin levels among OPMDs and healthy controls were 25.94 ng/mL(SD of ±4.65), 24.10ng/mL (SDof ±6.21) respectively. It was statistically insignificant (P>0.05) and were identified when independent samples T-Test were applied to compare the serum soluble E-cadherin levels between the two groups. Statistically significant (P<0.05) relation has been established in our study between tobacco users and OPMDs. By using Chi square test both tobacco users and non-users, males and females showed highly significant association with OPMDs group and healthy controls with a (P<0.05) respectively. Conclusion: The concentration of serum soluble E-cadherin were higher in OPMDs cases when compared with healthy controls both tobacco users and non-users but it was found statistically insignificant. Furthermore, the serum soluble E-cadherin with OPMDs group had a significant association with tobacco user. Risk estimate (odds ratios) showed that tobacco users were 12.43times more at risk to develop OPMDs than non-users. Keywords: Oral Potential Malignant Disorders (OPMDs), Serum soluble E-cadherins, Oral Squamous Cell Carcinoma (OSCC).

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