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Epithelial-mesenchimal Spheroid Structures In HPV Associated Cervix Uteri Pathology | 16423
ISSN: 2161-0681

Journal of Clinical & Experimental Pathology
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Epithelial-mesenchimal spheroid structures in HPV associated cervix uteri pathology

3rd International Conference and Exhibition on Pathology

Evgeniya Kogan

Accepted Abstracts: J Clin Exp Pathol

DOI: 10.4172/2161-0681.S1.014

Cellular spheroid structures (CSS) were found in stem cell and tumour cell cultures. It was supposed that they may play an important role in regeneration and tumorogenesis. The arising and significance of CSS in HPV associated precancer and cancer lesions of uteri cervix are not still investigated in vivo . The goal of the study was to analyze CSS morphology and molecular-biological characteristics of CSS in HPV-associated cervical pathology. Biopsy material (paraffin sections) from 223 women with HPV associated chronic cervetites, CIN 1; CIN 2-3 was investigated. Immunohistochemical detection of OCT4, CD34, Vimentin, CD44, E-cadherin,p16, Ki67, CK7, SMA and in situ hibridization analyses of HPV DNA (16, 18, 33, 54, 56 types) were performed. It was found that CSS are formed in basal-parabasal layers of squamous epithelium and adjacent myofibroblasts transitional zone. HPV DNA was detected in epithelial and endothelial cells of CSS. There are two structural and functional types of CSS ? repair CSS and tumor CSS, that differ by capillary content and oncomarkers expression. OCT4 and Vimentin positive cells localize in peripheral regions in colonies of CSS.
Evgeniya Kogan is Chief of Pathology Department of RF Research Center of Obstetrics, Gynecology and Perinatology and Professor of the Anatomic Pathology Department of The I.M.Sechenov Moscow Medical University. 1991 - Doctor of Science in Medicine, Doctoral Thesis: ?Morphogenesis of Peripheral Lung Cancer?. Since 1995 she is a Member of Russian Division of the International Academy of Pathology and Chief of Russian Division of International Society of EM and Immunocytochhemistry. She is the author of 12 monographers and more than 120 publications in scientific journals. Fields of research ? clinical pathology, pulmonology, gynecology and general pathology (oncomorphology, repair, inflammation).