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Comparative transcriptomic analysis of WT and XP-C fibroblasts cultured in 3D-dermal equivalents

ABSTRACT: Comparative transcriptomic analysis of WT and XP-C fibroblasts cultured in 3D-dermal equivalents

PROVIDER: PRJNA549922 | ENA |

REPOSITORIES: ENA

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Comparative transcriptomic analysis of WT and XP-C fibroblasts cultured in 3D-dermal equivalents

Project description:Xeroderma Pigmentosum (XP) is a rare autosomal genetic disease. XP patients present a default in the mechanism responsible for the repair of UV-induced DNA lesions. They are prone to develop skin cancers with high frequencies early in their life. To identify microenvironment factors that could contribute to the progression of skin cancers in XP-C group we did comparative transcriptomic analysis of WT and XP-C dermal patient’s fibroblasts.

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Transcriptome Analysis of Dihydrotestosterone-treated 2D- and 3D-cultured Dermal Papilla Cells

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Transcriptome Analysis of Dihydrotestosterone-treated 2D- and 3D-cultured Dermal Papilla Cells

Project description:Hair follicle growth inhibitory effect of dihydrotestosterone (DHT)-treated two-dimensional (2D)- and 3D-cultured DPCs were evaluated. 2D- and 3D-cultured DPC proliferation was inhibited after co-culturing with outer root sheath (ORS) cells under DHT treatment. Moreover, gene expression levels of β‐catenin and neural cell adhesion molecule (NCAM) were significantly decreased and those of cleaved caspase-3 significantly increased in 2D- and 3D-cultured DPCs with increasing DHT concentrations. ORS cell proliferation also significantly increased after co-culturing in the control-3D model compared with the control-2D model. ki67 downregulation and cleaved caspase-3 upregulation in DHT-2D and 3D groups significantly inhibited ORS cell proliferation. Sequencing showed an increase in the expression of genes related to extracellular matrix synthesis in the 3D model group. Additionally, the top 10 hub genes were identified, and the expression of nine chemokine-related genes in DHT-treated DPCs was found significantly increased. We also identified the interactions between transcription factor (TF)–genes and microRNAs with hub genes and the TF–microRNA coregulatory network. Overall, the findings indicate that 3D-cultured DPCs are more representative of in vivo conditions than are 2D-cultured DPCs, and contribute to our understanding of the molecular mechanisms underlying androgen-induced alopecia.

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Rhodococcus erythropolis XP strain:XP

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Expression data from XP-A and XP-V cells after UVC exposure

Project description:XPA is required for Nucleotide Excision Repair system, which could function to repair DNA damage induced by the UV. UV damage on the genomic DNA cannot be removed, thus persistence of damage could affect the transcriptional machinary. We used the microarray to investigate the global expression profiles in the XP-A and XP-V cells in the low dose of UVC comparing with fibroblast from healthy person. Human primary fibroblasts were developed from the skin of healthy person and two XP patients (XP-A and XP-V). We evaluated global expression profiles comparing the UVC-exposed (0.5J/m2, 5J/m2) with non-exposed sample.

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To study gene expression differences in various dermal equivalents prepared by the individual's laboratory

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