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Updated: Mar 8, 2026

A 3D Spheroid Model as a More Physiological System for Cancer-Associated Fibroblasts Differentiation and Invasion In Vitro Studies
Published on: August 8, 2019
Chromosome conformation and gene expression patterns differ profoundly in human fibroblasts grown in spheroids versus
Haiming Chen1, Laura Seaman1, Sijia Liu1
1a Department of Computational Medicine and Bioinformatics , University of Michigan , Ann Arbor , MI , USA.
Abstract:
Human cells derived for in vitro cultures are conventionally grown as adherent monolayers (2D) which do not resemble natural 3 dimensional (3D) tissue architecture. We examined genome structure with chromosome conformation capture (Hi-C) and gene expression with RNA-seq in fibroblasts derived from human foreskin grown in 2D and 3D conditions. Our combined analysis of Hi-C and RNA-seq data shows a large number of differentially expressed genes between 2D and 3D cells, and these changes are localized in genomic regions that displayed structural changes. We also find a trend of expression in a subset of skin-specific genes in fibroblast cells grown in 3D that resembles those in native tissue.
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