Abstract
Objective: To study the effects of different substrate stiffness on human hepatocytes using RNA sequencing (RNA-Seq) technology. The stiffness was corresponding to physiology and pathology stiffness of liver tissues. <br/> Results: With the aid of RNA-Seq technology, our study characterizes the transcriptome of hepatocytes cultured on soft, moderate, stiff and plastic substrates. Compared to soft substrate, our RNA-Seq results revealed 1131 genes that were up-regulated and 2534 that were down-regulated on moderate substrate, 1370 genes that were up-regulated and 2677 down-regulated genes on stiff substrate. Functional enrichment analysis indicated that differentially expressed genes were associated with the regulation of actin cytoskeleton, focal adhesion, tight junction, adherens junction as well as antigen processing and presentation. RNA-Seq results were further verified by a quantitative real-time reverse transcriptase polymerase chain reaction. <br/> Conclusion: Our study provides a comprehensive picture of the gene expression landscape in hepatocytes grown on different substrate stiffness, offering insights into the role of substrate stiffness in hepatic pathology.
Highlights
Gene Expression Profiling of Human Hepatocytes Grown on Differing Substrate Stiffness
The stiffness was corresponding to physiology and pathology stiffness of liver tissues
With the aid of RNA sequencing (RNA-Seq) technology, our study characterizes the transcriptome of hepatocytes cultured on soft, moderate, stiff and plastic substrates
Summary
Gene Expression Profiling of Human Hepatocytes Grown on Differing Substrate Stiffness Fan Feng1, Tingting Xia1, Runze Zhao1, Mengyue Wang1 and Li Yang1,*
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