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Comprehensive analysis of M2 macrophage-derived exosomes facilitating osteogenic differentiation of human periodontal ligament stem cells

ABSTRACT: Comprehensive analysis of M2 macrophage-derived exosomes facilitating osteogenic differentiation of human periodontal ligament stem cells

PROVIDER: PRJNA863226 | ENA |

REPOSITORIES: ENA

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Comprehensive analysis of M2 macrophage-derived exosomes facilitating osteogenic differentiation of human periodontal ligament stem cells

Project description:As the primary seed cells in periodontal tissue engineering, the role of periodontal ligament stem cells (PDLSCs) in periodontal tissue regeneration and bone remodeling during orthodontic tooth movement (OTM) has been well documented. Nevertheless, the impact of different polarization states of macrophages on the osteogenic differentiation of PDLSCs is poorly understood. M0, M1 and M2 macrophage-derived exosomes (M0-exo, M1-exo and M2-exo) were treated with primary cultured human PDLSCs, respectively. Identification of differentially expressed microRNAs (DE-miRNA) in M0-exo and M2-exo by miRNA microarray. In summary, we have indicated for the first time that M2-exo can promote osteogenic differentiation of human PDLSCs, and have revealed the functions and pathways involved in the DE-miRNAs of M0-exo and M2-exo and their downstream targets.

2022-10-31 | GSE209957 | GEO

Cyclic stretch-induced exosomes from periodontal ligament cells promote osteoblasts osteogenic differentiation via the miR-181d-5p/TNF signaling pathway

Project description:Objective: To investigate the effects of stretch-induced periodontal ligament cell (PDLC) exosomes on osteoblast differentiation, and to explore their regulatory role in mechanical force-related periodontal tissue remodeling.Design: After applying 20% stretch loading to human periodontal ligament cells, exosomes were extracted from the supernatant and co-cultured with osteoblasts to detect their effects on osteogenic differentiation. Meanwhile, the exosomes were sequenced by high-throughput microRNA sequencing for bioinformatic analysis and validation to explore exosome signaling pathways through miRNAs.Results: Stretch-induced PDLC exosomes could be taken up by osteoblasts and promoted osteogenic differentiation of osteoblasts, as demonstrated by the increased expression levels of osteogenesis-related factors and enhanced ALP staining. In the miRNA profile of differentially expressed PDLC exosomes under stretch loading, miRNA-181d-5p was up-regulated significantly. The expression levels of osteogenesis-related factors and ALP staining were also increased in osteoblasts transfected with miR-181d-5p, and this effect might be related to the inhibitory role of exosomal miR-181d-5p on tumor necrosis factor (TNF).Conclusions: Stretch-induced PDLC exosomes exhibited a promoting effect on osteogenic differentiation, which might result from the inhibition of TNF via exosomal miR-181d-5p.

2023-10-30 | GSE245304 | GEO

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).

2016-02-19 | E-GEOD-78074 | biostudies-arrayexpress

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.

2021-04-01 | GSE163489 | GEO

Retrieval of inflammation-compromised periodontal ligament stem cells from dysfunction by exosomes derived from P2X7 receptor gene-modified cells

Project description:Exosomes derived from P2X7 gene modified stem cells could enhance the osteogenic differentiation of periodontal ligament stem cells under inflammatory cultural conditions. In order to identify differentially expressed miRNAs between Exs-Ad-P2X7 and Exs-Ad- control, total RNA from exosomes were extracted by TRIzol™ Reagent (Invitrogen) according to the instructions. Then, miRNA profile of Exs-Ad-P2X7 and Exs-Ad-control form 3 different individuals were sequenced by Agilent miRNA Microarray System and further confirmed by real-time PCR.

2020-10-28 | GSE140356 | GEO

2016-02-19 | GSE78074 | GEO

Consequences of decreased TNAP activity during osteogenic differentiation of periodontal ligament cells – a new model for dental defects in hypophosphatasia

Project description:The effects of TNAP inhibition with levamisole during osteogenic differentiation were analyzed in primary human periodontal ligament cells since patients suffering from hypophosphatasia often display dental symptoms.

2020-04-30 | GSE131338 | GEO

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

2011-03-17 | E-GEOD-27993 | biostudies-arrayexpress

Dynamic proteomic profiling of human periodontal ligament stem cells during osteogenic differentiation

Project description:Human periodontal ligament stem cells (hPDLSCs) are ideal seed cells for periodontal regeneration. To better understand the dynamic protein profiles during hPDLSCs osteogenic differentiation, we conducted a quantitative proteomics to reveal the temporal protein expression pattern during this process. Clustering and functional annotation by Gene Ontology terms identified distinctions among proteins with different dynamic tendencies. Pathway enrichment analysis with the Kyoto Encyclopedia of Genes and Genomes database found that oxidative phosphorylation (OXPHOS) was significantly involved, which further predicted continuous activation by Ingenuity Pathway Analysis software. Redox-sensitive signalling pathways with dynamic activation status showed associations with OXPHOS to various degrees, especially the sirtuin signalling pathway. SOD2, an important component of the sirtuin signalling pathway, is a hub protein of the interaction network and displays a persistent increase during osteogenesis. Our in-depth dynamic proteomic analysis indicated the comprehensive and dynamic regulation mechanism during hPDLSC osteogenesis.

2021-02-11 | PXD020908 | Pride

Maresin-1 and Resolvin E1 promote regenerative properties of periodontal ligament stem cells under inflammatory conditions

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.

2021-09-09 | PXD019546 | Pride

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