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- Title
Tropomyosin isoforms have specific effects on the transcriptome of undifferentiated and differentiated B35 neuroblastoma cells.
- Authors
Stefen, Holly; Suchowerska, Alexandra Kalyna; Chen, Bei Jun; Brettle, Merryn; Kuschelewski, Jennifer; Gunning, Peter William; Janitz, Michael; Fath, Thomas
- Abstract
Tropomyosins, a family of actin‐associated proteins, bestow actin filaments with distinct biochemical and physical properties which are important for determining cell shape and regulating many cellular processes in eukaryotic cells. Here, we used RNA‐seq to investigate the effect of four tropomyosin isoforms on gene expression in undifferentiated and differentiated rat B35 neuroblastoma cells. In undifferentiated cells, overexpression of tropomyosin isoforms Tpm1.12, Tpm2.1, Tpm3.1, and Tpm4.2 differentially regulates a vast number of genes, clustering into several gene ontology terms. In differentiated cells, tropomyosin overexpression exerts a much weaker influence on overall gene expression. Our findings are particularly compelling because they demonstrate that tropomyosin‐dependent changes are attenuated once the cells are induced to follow a defined path of differentiation. Database: Sequence data for public availability are deposited in the European Nucleotide Archive under the accession number PRJEB24136.
- Subjects
TROPOMYOSINS; NEUROBLASTOMA; GENE expression; EUKARYOTIC cells; CELL culture
- Publication
FEBS Open Bio, 2018, Vol 8, Issue 4, p570
- ISSN
2211-5463
- Publication type
Article
- DOI
10.1002/2211-5463.12386