• Mehwish Feroz Ali, Mervyn Hosein, Saima Butt, and Rehan Siddiqui.
• Dr. Mehwish Feroz Ali, BDS, MPhil-Oral Pathology. Assistant Professor, Department of Oral Pathology, Ziauddin University, Karachi, Pakistan.
• Pak J Med Sci. 2023 Mar 1; 39 (2): 513517513-517.

ObjectivesIn this study, we investigated the expression of zinc alpha-2 glycoprotein in oral squamous cell carcinoma tissue samples. Additionally, ascertained its association to the oral cancer stage and subscale parameters (TNM).MethodsThis observational study was conducted at Ziauddin University from January to December 2020. Using the Open-Epi software, the sample size of 120 oral squamous cell carcinomas was calculated at 95% confidence interval and a 5% margin of error. Ethical approval was taken from the Institutional Ethical Review Committee. Histologically diagnosed cases of oral squamous cell carcinoma were obtained from the Histopathology Department of Ziauddin University, Karachi. Study data was analyzed through SPSS version-20 and p-value ≤0.05 considered as significant. One-way ANOVA and Multiple linear regression were applied for analysis of data.ResultIn the study, none of the oral squamous cell carcinoma tissue samples from the later stages were stained for ZAG. However 71% (35/49) of the early stage OSCC samples showed positive IHC results for ZAG expression in the cytoplasm. One-way ANOVA indicates that high ZAG expression was significantly associated with smaller tumor size (p<0.001), lymph node involvement (p=0.002), early stages of OSCC (p<0.001) and less differentiated tumor (p=0.001). The site of the tumor was also significantly associated with ZAG staining (p<0.001).ConclusionZinc alpha-2 glycoprotein expressed in the early stages of oral cancer development so that effective treatment modalities can be planned as per the patient's status. This may also assist a clinician to achieve tumor-free surgical margins and monitor the post treatment outcomes.Copyright: © Pakistan Journal of Medical Sciences.

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