Objectives. To carry out a descriptive analysis of the expression of the EP3 receptors of PGE2 in different histological grades of OSCC\nand adjacent normal epithelium. Material and Methods. A total of 46 patients presenting with various histological subtypes and\ngrades of OSCC were recruited from Maxillofacial Surgery Department of Nishtar Institute of Dentistry Multan. Microscopically\ntumour subtyping and histological grading according to Anne roth�s grading system were carried out. Immunohistochemical\nstaining with rabbit polyclonal EP3 receptor antibody was performed and sections were scored for intensity and proportion of\npositive adjacent squamous epithelial and tumour cells. Results. Out of 46 patients
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