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RNA sequencing of human periodontal ligament stem cells (PDLSCs) with Illumina HiSeq2000

ABSTRACT: RNA sequencing of human periodontal ligament stem cells (PDLSCs) with Illumina HiSeq2000

PROVIDER: PRJNA418326 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR6291210_1.fastq.gz	Fastqsanger.gz
	SRR6291210_2.fastq.gz	Fastqsanger.gz
	SRR6291211_1.fastq.gz	Fastqsanger.gz
	SRR6291211_2.fastq.gz	Fastqsanger.gz
	SRR6291212_1.fastq.gz	Fastqsanger.gz

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Differentially expressed long noncoding RNA expression between periodontal ligament stem cells from healthy periodontal tissue and periodontal ligament stem cells from inflammatory periodontal tissue.

Project description:Periodontitis can impair the osteogenic differentiation of human periodontal mesenchymal stem cells, but the underlying molecular mechanisms are still poorly understood. Long noncoding RNAs (lncRNAs) have been demonstrated to play significant roles under both physiologic and pathological conditions. We performed comprehensive lncRNAs profiling by lncRNA microarray to identify differentially expressed long noncoding RNA expression between Periodontal ligament stem cells from healthy Periodontal tissue and periodontal ligament stem cells from inflammatory periodontal tissue. Our analysis identified 233 lncRNAs and 423 mRNAs that were differently expressed (fold change >2.0, p-value < 0.05) between the two groups of cells. The GO analysis revealed that the significantly down-regulated biological processes included multicellular organismal process, developmental process and multicellular organismal development and the significantly up-regulated biological processes included cellular process, biological regulation and response to stimulus in periodontal ligament stem cells from inflammatory periodontal tissue. The Pathway analysis revealed that the differentially expressed mRNAs may involved in Focal adhesion, ECM-receptor interaction, Bacterial invasion of epithelial cells, Long-term depression, Circadian entrainment and HIF-1 signaling pathway. Two-condition experiment, periodontal ligament stem cells from healthy periodontal tissue (hPDLSCs) vs. periodontal ligament stem cells from inflammatory periodontal tissue (pPDLSCs), Biological replicates: 3 control replicates (hPDLSCs), 3 testing replicates (pPDLSCs).

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Expression data from human periodontal ligament

Project description:We used microarrays to detect the differences in gene-expression of the periontal ligament between patients with healthy periodontal ligament and patients with periodontitis RNA was extracted directly from the middle third of the human periodontal ligament

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Project description:Maresin-1 (MaR1) and Resolvin E1 (RvE1) are specialized pro-resolving lipid mediators (SPMs) that regulate inflammatory processes. We have previously demonstrated the hard and soft tissue regenerative capacity of RvE1 in an in vivo model of periodontal disease characterized by inflammatory tissue destruction. Regeneration of periodontal tissues requires a well-orchestrated processes mediated by periodontal ligament stem-cells. However, limited data are available on how SPMs can regulate the regenerative properties of human periodontal ligament stem cells (hPDLSCs) under inflammatory conditions. Thus, we measured the impact of MaR1 and RvE1 in an in vitro model of hPDLSCs after stimulation with IL-1β and TNF-α by evaluating pluripotency, migration, proliferation, cell death, periodontal ligament markers (α-smooth muscle actin, tenomodulin, and periostin), cementum-osteogenic differentiation and phosphoproteomic perturbations. The data showed that the inflammatory milieu suppresses pluripotency, proliferation and migration of hPDLSCs; MaR1 and RvE1 both restored regenerative capacity by increasing hPDLSC proliferation, accelerating wound healing/migration, and upregulating periodontal ligament markers and cementum-osteogenic differentiation. Protein phosphorylation perturbations were associated with the SPM-induced regenerative capacity of hPDLSCs. Together, these results demonstrate that MaR1 and RvE1 restore or improve the regenerative properties of highly specialized stem cells when inflammation is present and offer opportunities for direct pharmacologic treatment of lost tissue integrity.

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Project description:To explore the lncRNA landscape of periodontal ligament stem cells (PDLSCs) subjected to compressive force.

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Expression data from human periodontal ligament

Project description:We used microarrays to detect the differences in gene-expression of the periontal ligament between patients with healthy periodontal ligament and patients with periodontitis

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Differential miRNA expression of healthy and inflammatory periodontal ligament stem cells-derived exosomes

Project description:To further explore the specific expressed miRNA in healthy and inflammatory periodontal ligament stem cells (PDLSCs)-derived exosomes, we extracted their exosomal RNA for miRNA microarray assay.

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Project description:This study aimed to investigate the microRNA expression profile of mechnically strained human periodontal ligament-derived stem cells, and SurePrint G3 Human v16 miRNA Array (Agilent) was employed as a screening platform. We discovered 39 differentially expressed microRNAs between the stretched and the static control group. Human periodontal ligament-derived stem cells were cultured on elastic silicone membranes and either subjected to a dynamic mechanical strain protocol (2hr, 5% elongation, 0.5Hz) or left undisturbed. Total RNA was collected and extracted by TRIzol. RNA samples with 28S/18S ratios in the range of 1.4 to 1.8 were used for microRNA microarray analysis using the Agilent SurePrint G3 Human v16 miRNA Array Kit. The samples in each group were triplicated.

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