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Expression data of microRNA from human stem cells from apical papilla

ABSTRACT: Expression data of microRNA from human stem cells from apical papilla

PROVIDER: PRJNA646393 | ENA |

REPOSITORIES: ENA

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Expression data of microRNA from human stem cells from apical papilla

Project description:Osteo/odontogenic differentiation is a key process of human stem cells from apical papilla (SCAP) in tooth root development. Emerging evidence indicates microRNAs (miRNAs) play diverse roles in osteogenesis. However, their functions in osteo/odontogenic differentiation of SCAP remain to be elucidated. We used miRNA microarray to analysis differentially expressed miRNAs in order to investigate the role of miRNAs in SCAP osteo/odontogenic differentiation and underlying mechanism.

2021-01-01 | GSE154466 | GEO

The human dental apical papilla promotes spinal cord repair through a paracrine mechanism

Project description:Traumatic spinal cord injury is an overwhelming condition that strongly and suddenly impacts the patient’s life and her/his entourage. There are currently no predictable treatments to repair the spinal cord, while many strategies are proposed and evaluated by researchers throughout the world. One of the most promising avenues is the transplantation of stem cells, although its therapeutic efficiency is limited by several factors, among which cell survival at the lesion site. In our previous study, we showed that the implantation of a human dental apical papilla, residence of stem cells of the apical papilla (SCAP), supported functional recovery in a rat model of spinal cord hemisection.

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microRNA profile of extracellular vesicles derived from control vehicle- and LIPUS-induced stem cells from the apical papilla

Project description:Low intensity pulsed ultrasound (LIPUS) is shown to promote osteogenic differentiation and antiinflammation of periodontal mesenchymal stromal cells. We found extracellular vesicles (EVs) derived from LIPUS-induced stem cells from apical papilla (SCAPs) also have stronger anti-inflammatory and osteogenic effects in vitro and in vivo. To obtain clues on whether microRNA (miR) of EVs contribute to stronger anti-inflammatory and osteogenic effects, we analyzed miR expression in EVs from control- and LIPUS-induced SCAPs by deep sequencing. RNA-sequencing suggests that the LIPUS-EVs induce stronger osteogenic differentiation and antiinflammation by using their cargos, including upregulated osteogenic miRNAs to activate the PI3K/Akt and MAPK signaling pathways, and upregulated anti-inflammatory miRNAs to inhibit the TNF-α signaling pathways.

2022-07-02 | GSE188347 | GEO

Transcriptional Profliing of small molecules induced endothelial cells of stem cells from apical papilla (SCAP-ECs), stem cells from apical papilla (SCAP) and human vein endothelial cells (HUVECs)

Project description:Recently, a new strategy has been developed to directly reprogram one cell type towards targeted cell type by using different combinations of small molecule compounds. Here we attempted to induce stem cells from apical papilla (SCAP) into endothelial cells (ECs) by the same strategy. We developed a set of small molecules and growth factors that facilitates the conversion of SCAP into stable endothelial lineage. The SCAP-derived endothelial cells (SCAP-ECs) expressed some up-regulated endothelial specific genes and proteins, exhibited the ability to form functional tubular-like structures in vitro, and contributed to generate blood vessels in vivo. The aim of this study is to compare the ECs-related gene profile of SCAP, SCAP-derived ECs and HUVECs (primary ECs) and to explore whether SCAP-derived ECs showed enriched ECs gene expression.

2021-12-31 | GSE149930 | GEO

Transcriptional Profliing of small molecules induced endothelial cells of stem cells from apical papilla (SCAP-ECs), stem cells from apical papilla (SCAP) and human vein endothelial cells (HUVECs)

Project description:Transcriptional Profliing of small molecules induced endothelial cells of stem cells from apical papilla (SCAP-ECs), stem cells from apical papilla (SCAP) and human vein endothelial cells (HUVECs)

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microRNA profile of extracellular vesicles derived from control vehicle- and LIPUS-induced stem cells from the apical papilla

Project description:microRNA profile of extracellular vesicles derived from control vehicle- and LIPUS-induced stem cells from the apical papilla

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Engineering of Three Dimensional Micro Nerve Tissue Using Postnatal Stem Cells from Human Dental Apical Papilla

Project description:The generation of cell-based three dimensional (3D) nerve tissue is an attractive subject to improve graft survival and integration into host tissue for neural tissue regeneration or to model biological events in stem cell differentiation. However, although 3D organotypic culture strategy has been well established for 3D nerve tissue formation of pluripotent stem cells to study underlying biology in nerve development, cell-based nerve tissue have not been developed using human postnatal stem cells with therapeutic potential of stem cell-based therapy. Here, we established culture strategy for the generation of in vitro cell-based 3D nerve tissue from postnatal stem cells from apical papilla (SCAPs) of tooth, which is known to be originated from neural crest-derived ectomesenchyme. A stem cell population capable of differentiating into neural cell lineages was generated during the ex-vivo expansion of SCAPs in the presence of EGF and bFGF, and SCAPs differentiated into neural cells showing neural cell lineage-related molecular and gene expression profiles with morphological change under neural inductive culture condition. Moreover, we showed the first evidence that 3D cell-based nerve-like tissue with axon and myelin structure could be generated from SCAPs via 3D organotypic culture using an integrated bioprocess composing of polyethylene glycol (PEG) microwell-mediated cell spheroid formation and subsequent dynamic culture in a high aspect ratio vessel (HARV) bioreactor. In conclusion, our study propose that the culture strategy provide a novel approach to develop in vitro engineered nerve tissue using SCAPs and a foundation to study biological events in neural differentiation of postnatal stem cells.

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The human dental apical papilla promotes spinal cord repair through a paracrine mechanism

Project description:The human dental apical papilla promotes spinal cord repair through a paracrine mechanism

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Transcription profiling of human epithelial stem cells co-cultured with the dermal papilla

Project description:Clonogenic keratinocyte stem cells isolated from the bulge area of human telogen follicles were co-cultured with dermal papilla cells in a transwell system. RNA was isolated from stem cells for different periods of time (day 0, 1, 2, and 5) after co-culture with DP and analyzed for changes in gene expression using Genechip microarrays.

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Sphere-derived multipotent progenitor cells obtained from human oral tissue neural crest-derived cells

Project description:The purpose of this study was to isolate neural crest stem cells from apical papilla, periodontal ligament and oral mucosa.

2021-11-01 | GSE164327 | GEO