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High-Depth Transcriptomic Profiling Reveals the Temporal Gene Signature of Mesenchymal Stem Cells During Chondrogenesis

ABSTRACT: High-Depth Transcriptomic Profiling Reveals the Temporal Gene Signature of Mesenchymal Stem Cells During Chondrogenesis

PROVIDER: PRJNA431247 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR6491460_1.fastq.gz	Fastqsanger.gz
	SRR6491460_2.fastq.gz	Fastqsanger.gz
	SRR6491470_1.fastq.gz	Fastqsanger.gz
	SRR6491470_2.fastq.gz	Fastqsanger.gz
	SRR6491461_1.fastq.gz	Fastqsanger.gz

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High-Depth Transcriptomic Profiling Reveals the Temporal Gene Signature of Mesenchymal Stem Cells During Chondrogenesis

Project description:Cartilage tissue engineering seeks to replace degenerated or damaged cartilage following disease or injury. Mesenchymal stem/stromal cells (MSCs) provide an attractive cell source for cartilage repair; however, the underlying molecular pathways that drive chondrogenesis of these pools of adult stem cells remains poorly understood. Here, we generated a rich data set of high throughput RNA sequencing of human MSCs throughout chondrogenesis at six different time points. Our data is consisted of 18 libraries with three individual donors as biological replicates, each library possessing a sequencing depth of 100 million reads. We also performed flow cytometric, histological, and biochemical analyses in parallel to validate the quality of our in vitro engineered cartilage. Differential gene expression and gene ontology analyses identified dynamic changes in multiple biological pathways, namely downregulation in cell cycle and proliferation, and upregulation in extracellular matrix synthesis. Weighted gene correlation network analysis also identified an important chondrogenic gene subset, whose functional characterization promises to further harness the potential of MSCs for cartilage tissue engineering. Furthermore, we created a graphic user interface encyclopedia built with the goal of producing an open resource of transcriptomic regulation for additional data-mining and pathway analysis of the process of MSC chondrogenesis. The tool can be accessed at: http://msc-browser.guilaklab.com

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High-depth transcriptomic profiling reveals the temporal gene signature of human mesenchymal stem cells during chondrogenesis.

Project description:Mesenchymal stem/stromal cells (MSCs) provide an attractive cell source for cartilage repair and cell therapy; however, the underlying molecular pathways that drive chondrogenesis of these populations of adult stem cells remain poorly understood. We generated a rich data set of high-throughput RNA sequencing of human MSCs throughout chondrogenesis at 6 different time points. Our data consisted of 18 libraries with 3 individual donors as biologic replicates, with each library possessing a sequencing depth of 100 million reads. Computational analyses with differential gene expression, gene ontology, and weighted gene correlation network analysis identified dynamic changes in multiple biologic pathways and, most importantly, a chondrogenic gene subset, whose functional characterization promises to further harness the potential of MSCs for cartilage tissue engineering. Furthermore, we created a graphic user interface encyclopedia built with the goal of producing an open resource of transcriptomic regulation for additional data mining and pathway analysis of the process of MSC chondrogenesis.-Huynh, N. P. T., Zhang, B., Guilak, F. High-depth transcriptomic profiling reveals the temporal gene signature of human mesenchymal stem cells during chondrogenesis.

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