Assessing the distribution of cancer stem cells in tumorspheres

Fuente: arXiv
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Autori principali: Fotinós, Jerónimo, Marks, María Paula, Barberis, Lucas, Vellón, Luciano
Natura: Preprint
Pubblicazione: 2024
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author Fotinós, Jerónimo
Marks, María Paula
Barberis, Lucas
Vellón, Luciano
author_facet Fotinós, Jerónimo
Marks, María Paula
Barberis, Lucas
Vellón, Luciano
contents In previous theoretical research, we inferred that cancer stem cells (CSCs), the cells that presumably drive tumor growth and resistance to conventional cancer treatments, are not uniformly distributed in the bulk of a tumorsphere. To confirm this theoretical prediction, we cultivated tumorspheres enriched in CSCs, and performed immunofluorecent detection of the stemness marker SOX2 using a confocal microscope. In this article, we present a method developed to process the images that reconstruct the amount and location of the CSCs in the tumorspheres. Its advantage is the use of a statistical criterion to classify the cells in stem and differentiated instead of setting an arbitrary threshold. From the analysis of the results of the methods using graph theory and computational modeling, we concluded that the distribution of Cancer Stem Cells in an experimental tumorsphere is non-homogeneous. This method is independent of the tumorsphere assay being useful for analyzing images in which several different kinds of cells are stained with different markers.
format Preprint
id arxiv_https___arxiv_org_abs_2403_02984
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Assessing the distribution of cancer stem cells in tumorspheres
Fotinós, Jerónimo
Marks, María Paula
Barberis, Lucas
Vellón, Luciano
Quantitative Methods
In previous theoretical research, we inferred that cancer stem cells (CSCs), the cells that presumably drive tumor growth and resistance to conventional cancer treatments, are not uniformly distributed in the bulk of a tumorsphere. To confirm this theoretical prediction, we cultivated tumorspheres enriched in CSCs, and performed immunofluorecent detection of the stemness marker SOX2 using a confocal microscope. In this article, we present a method developed to process the images that reconstruct the amount and location of the CSCs in the tumorspheres. Its advantage is the use of a statistical criterion to classify the cells in stem and differentiated instead of setting an arbitrary threshold. From the analysis of the results of the methods using graph theory and computational modeling, we concluded that the distribution of Cancer Stem Cells in an experimental tumorsphere is non-homogeneous. This method is independent of the tumorsphere assay being useful for analyzing images in which several different kinds of cells are stained with different markers.
title Assessing the distribution of cancer stem cells in tumorspheres
topic Quantitative Methods
url https://arxiv.org/abs/2403.02984