Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Biomarkers, Master Regulators and Genomic Fabric Remodeling in a Case of Papillary Thyroid Carcinoma

Version 1 : Received: 1 August 2020 / Approved: 2 August 2020 / Online: 2 August 2020 (17:32:47 CEST)

A peer-reviewed article of this Preprint also exists.

Iacobas, D.A. Biomarkers, Master Regulators and Genomic Fabric Remodeling in a Case of Papillary Thyroid Carcinoma. Genes 2020, 11, 1030. Iacobas, D.A. Biomarkers, Master Regulators and Genomic Fabric Remodeling in a Case of Papillary Thyroid Carcinoma. Genes 2020, 11, 1030.

Journal reference: Genes 2020, 11, 1030
DOI: 10.3390/genes11091030

Abstract

Publically available (own) transcriptomic data were re-analyzed to quantify the alteration of functional pathways in the thyroid cancer, establish the gene hierarchy, identify potential gene targets and predict the effects of their manipulation. The expression data were generated from one case of papillary thyroid carcinoma (PTC) and from genetically manipulated BCPAP (papillary) and 8505C (anaplastic) human thyroid cancer cell lines. The study used the genomic fabric perspective that considers the transcriptome as a multi-dimensional mathematical object based on the three independent characteristics that can be derived for each gene from the expression data. We found remarkable remodeling of the thyroid hormone synthesis, cell cycle, oxidative phosphorylation and apoptosis pathways. Serine peptidase inhibitor, Kunitz type, 2 (SPINT2) was identified as the Gene Master Regulator of the investigated PTC. The substantial increase of the expression synergism of SPINT2 with apoptosis genes in the cancer nodule with respect to the surrounding normal tissue (NOR) suggests that its experimental overexpression may force the PTC cells into apoptosis with negligible effect on the NOR cells. The predictive value of the expression coordination for the expression regulation was validated with data from 8505C and BCPAP cells before and after lentiviral transfection with DDX19B.

Subject Areas

8505C cell line; apoptosis; BCPAP cell line; CFLAR; DDX19B; IL6; oxidative phosphorylation; SPINT2; thyroid hormone synthesis; weighted pathway regulation

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