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An Official Publication of the Indian Association of Oral and Maxillofacial Pathologists

ORIGINAL ARTICLE Table of Contents   
Year : 2020  |  Volume : 24  |  Issue : 1  |  Page : 125-130
Immunohistochemical detection of Tyrosine Kinase receptor (TrK) in follicular and plexiform ameloblastoma – A novel study

1 Consultant Oral and Maxillofacial Pathologist, SM Dental Clinic, Erode, Tamil Nadu, India
2 Department of Oral and Maxillofacial Pathology, Vivekanandha Dental College for Women, Namakkal, Tamil Nadu, India
3 Department of Oral and Maxillofacial Pathology, Rajah Muthiah Dental College and Hospital, Chidambaram, Tamil Nadu, India

Correspondence Address:
Thuckanickenpalayam Ragunathan Yoithapprabhunath
Department of Oral and Maxillofacial Pathology, Vivekanandha Dental College for Women, Elayampalayam, Thiruchengodu, Namakkal - 637 205, Tamil Nadu
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jomfp.JOMFP_220_19

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Objectives: The objective is to analyze the immunohistochemical expression pattern of tyrosine kinase receptor (TrK) in ameloblastoma and to compare the immunohistochemical expression pattern of TrK among the histological types of ameloblastoma, follicular and plexiform patterns. Materials and Methods: Forty ameloblastomas (20 follicular and 20 plexiform) were immunostained with anti-human TrK mouse IgG monoclonal antibody, and the pattern of staining is statistically analyzed. Results: Total 20 (4 follicular and 16 plexiform) out of 40 ameloblastomas showed immunoreactivity to TrK. Only the peripheral preameloblast like tall columnar cells showed reactivity, whereas the stellate reticulum like cells is immunonegative. The staining pattern was membranous in the immunoreactive cells. The Chi-square value for the immunoexpression between follicular and plexiform ameloblastoma was statistically significant with a P < 0.005. The results were studied with the downstream pathways from the literature, and a possible mechanism has been proposed. Conclusion: The expression pattern of TrK is found to be more in plexiform ameloblastoma than follicular ameloblastoma.

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Journal of Oral and Maxillofacial Pathology | Published by Wolters Kluwer - Medknow
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