ArticleInternational journal of molecular sciences2022
Trichostatin A-Mediated Epigenetic Modulation Predominantly Triggers Transcriptomic Alterations in the Ex Vivo Expanded Equine Chondrocytes.
Article in International journal of molecular sciences, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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1 citing paper in PubMed, 3 citations in OpenAlex.
- Large-scale mouse mutagenesis identifies novel genes affecting vertebral anatomy.Mammalian genome : official journal of the International Mammalian Genome Society · 2026Article
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6 authors at 2 institutions in 1 country.
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Abstract
Epigenetic mechanisms of gene regulation are important for the proper differentiation of cells used for therapeutic and regenerative purposes. The primary goal of the present study was to investigate the impacts of 5-aza-2' deoxycytidine (5-AZA-dc)- and/or trichostatin A (TSA)-mediated approaches applied to epigenomically modulate the ex vivo expanded equine chondrocytes maintained in monolayer culture on the status of chondrogenic cytodifferentiation at the transcriptome level. The results of next-generation sequencing of 3' mRNA-seq libraries on stimulated and unstimulated chondrocytes of the third passage showed no significant influence of 5-AZA-dc treatment. Chondrocytes stimulated with TSA or with a combination of 5-AZA-dc+TSA revealed significant expressional decline, mainly for genes encoding histone and DNA methyltransferases, but also for other genes, many of which are enriched in canonical pathways that are important for chondrocyte biology. The TSA- or 5-AZA-dc+TSA-induced upregulation of expanded chondrocytes included genes that are involved in histone hyperacetylation and also genes relevant to rheumatoid arthritis and inflammation. Chondrocyte stimulation experiments including a TSA modifier also led to the unexpected expression incrementation of genes encoding HDAC3, SIRT2, and SIRT5 histone deacetylases and the MBD1 CpG-binding domain protein, pointing to another function of the TSA agent besides its epigenetic-like properties. Based on the transcriptomic data, TSA stimulation seems to be undesirable for chondrogenic differentiation of passaged cartilaginous cells in a monolayer culture. Nonetheless, obtained transcriptomic results of TSA-dependent epigenomic modification of the ex vivo expanded equine chondrocytes provide a new source of data important for the potential application of epigenetically altered cells for transplantation purposes in tissue engineering of the equine skeletal system.
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