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Kamble, S.C. and Sen, A. and Dhake, R.D. and Joshi, A.N. and Midha, D. and Bapat , S.A. (2019) ClinicalStratification of High-Grade Ovarian Serous Carcinoma Using a Panel of SixBiomarkers. Journal of Clinical Medicine , 8 (3). pp. 330-33390. ISSN 8(3). pii: E330. doi: 10.3390/jcm8030330

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Abstract

Molecular stratification of high-grade serous ovarian carcinoma (HGSC) for targeted therapy is a pertinent approach in improving prognosis of this highly heterogeneous disease. Enabling the same necessitates identification of class-specific biomarkers and their robust detection in the clinic. We have earlier resolved three discrete molecular HGSC classes associated with distinct functional behavior based on their gene expression patterns, biological networks, and pathways. An important difference revealed was that Class 1 is likely to exhibit cooperative cell migration (CCM), Class 2 undergoes epithelial to mesenchymal transition (EMT), while Class 3 is possibly capable of both modes of migration. In the present study, we define clinical stratification of HGSC tumors through the establishment of standard operating procedures for immunohistochemistry and histochemistry based detection of a panel of biomarkers including TCF21, E-cadherin, PARP1, Slug, AnnexinA2, and hyaluronan. Further development and application of scoring guidelines based on expression of this panel in cell line-derived xenografts, commercial tissue microarrays, and patient tumors led to definitive stratification of samples. Biomarker expression was observed to vary significantly between primary and metastatic tumors suggesting class switching during disease progression. Another interesting feature in the study was of enhanced CCM-marker expression in tumors following disease progression and chemotherapy. These stratification principles and the new information thus generated is the first step towards class-specific personalized therapies in the disease.

Item Type: Article
Depositing User: Mr. Rameshwar Nema
Date Deposited: 12 Feb 2020 09:07
Last Modified: 09 Dec 2021 11:27
URI: http://nccs.sciencecentral.in/id/eprint/621

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