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Pentoxifylline-induced differentially-expressed genes in hypertrophic scar fibroblasts

ABSTRACT: Pentoxifylline attenuated hypertrophic scars by influencing the cell cycles

ORGANISM(S): Homo sapiens

PROVIDER: GSE122891 | GEO | 2019/07/09

REPOSITORIES: GEO

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Gene expression of hypertrophic scar fibroblasts treated with glucocorticoids under mechanical stretch environment

Project description:After disruption of the skin, fibroblasts along wound edges are constantly exposed to high levels of stress, resulting in increased collagen synthesis and decreased apoptosis. Emerge evidences shows that, the hypertrophic scars tissue fibrosis phenomena are original from the intrinsic cellular mechanical stretch. Traditional glucocorticoids on hypertrophic scarring have been performed for 30 years, utilizing for their anti-inflammatory, anti-allergenic and immunomodulatory effects and for their well-established, pro-apoptotic effects on hematological malignancies. To explore effects of glucocorticoid triamcinolone acetonide for responses to mechanical stress in hypertrophic scars fibroblasts (HSFB), we performed microarrays to explore the differential gene expression.

2020-05-28 | GSE151240 | GEO

Gene Expression in Three Early Human Hypertrophic Scar Samples

Project description:The goal was to obtain expression data from the deep cones in early human hypertrophic scars to be used to confirm expression data obtained in a porcine model. Three samples of early human hypertrophic scar were obtained and processed with the Affymetrix Human GeneChip® Human Genome U133 plus 2.0. Sample demographics were Black 2, White 1; upper extremity 2, neck 1; times since injury 6.7 months and 10.8 months; and patient ages were 19 and 54.

2011-12-31 | E-GEOD-26213 | biostudies-arrayexpress

Single-cell analysis reveals transcriptomic difference between human hypertrophic scar and keloid

Project description:Background Hypertrophic scars and keloids are both pathological scars with similar appearance and pathological features. Currently, the differential diagnosis of the two mainly depends on the subjective judgment of physicians, and there is a lack of objective diagnostic indicators and treatment methods. Objectives To provide single-cell level evidence and new approaches for the differential diagnosis and clinical treatment of hypertrophic scars and keloids. Methods Single-cell RNA sequencing (scRNA-seq) was performed on a hypertrophic scar and a keloid tissue from the same patient to compare the differences in the cellular and tissue microenvironments of the two conditions. Results ScRNA-seq results depicted the distribution of cell subpopulations and different microenvironments between hypertrophic scars and keloids. Conclusions The results of the analysis showed significant differences in cell subcluster distribution and cell communication between hypertrophic scars and keloids. This study demonstrated the potential of scRNA-seq to differentiate the two conditions and provide a new approach to refine differential diagnosis and a possible target for therapeutic research.

2024-11-15 | GSE243716 | GEO

Long noncoding RNA (lncRNA) expression profiles of hypertrophic scar fibroblasts treated with glucocorticoids under mechanical stretch environment

Project description:After disruption of the skin, fibroblasts along wound edges are constantly exposed to high levels of stress, resulting in increased collagen synthesis and decreased apoptosis. Emerge evidences shows that, the hypertrophic scars tissue fibrosis phenomena are original from the intrinsic cellular mechanical stretch. Traditional glucocorticoids on hypertrophic scarring have been performed for 30 years, utilizing for their anti-inflammatory, anti-allergenic and immunomodulatory effects and for their well-established, pro-apoptotic effects on hematological malignancies. To explore effects of glucocorticoid triamcinolone acetonide (TA) for responses to mechanical stress in hypertrophic scars fibroblasts (HSFB), we performed microarrays to explore long noncoding RNA expression.

2020-05-26 | GSE151153 | GEO

Pentoxifylline-induced differentially-expressed genes in hypertrophic scar fibroblasts

Project description:Pentoxifylline-induced differentially-expressed genes in hypertrophic scar fibroblasts

| PRJNA506825 | ENA

Gene Expression in Three Early Human Hypertrophic Scar Samples

Project description:The goal was to obtain expression data from the deep cones in early human hypertrophic scars to be used to confirm expression data obtained in a porcine model.

2011-12-31 | GSE26213 | GEO

The Role of the Mammalian Target of Rapamycin in Keloid and Hypertrophic Scars

Project description:We hypothesize that, the mTOR pathway is a dominant pathway in cultured keloid and hypertrophy scar fibriblasts compared to normal skin cells. Certain pathway changes can be detected after medication treatment. Global gene expression in RNA samples from rapamycin and tacrolimus treated fibroblasts (from normal skin and hypertrophic scars, keloid scars) is assayed to study the possibility to use mTOR inhibitors as potential drug to treat abnormal scarring. We investigated the difference between normal wound healing and hypertrophic scars and keloids as well.

2014-05-20 | E-MTAB-2509 | biostudies-arrayexpress

METTL3 Facilitates Hypertrophic Scar Fibrosis by Promoting pri-miRNA-31 Maturation and ZBTB20 Silencing in m6A-dependent Manner [MeRIP-Seq]

Project description:To clarify the role of METTL3-mediated m6A modification in hypertrophic scars (HS), we conditionally knocked out the m6A methyltransferase METTL3 in HS-derived dermal fibroblasts (HSFBs). We then performed MeRIP-seq analysis on HSFBs.

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METTL3 Facilitates Hypertrophic Scar Fibrosis by Promoting pri-miRNA-31 Maturation and ZBTB20 Silencing in m6A-dependent Manner [RNA-Seq]

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Glucocorticoid promotes fatty acids metabolism in hypertrophic scar tissues and fibroblasts via the microRNA

Project description:Hypertrophic scar (HS) is a skin lesion due to abnormal wound healing after skin injury; histologically, HS is characterized by deposition of excessive amounts of the extracellular matrix and collagen produced by wound healing-induced proliferative fibroblasts. Clinically, HS management includes surgical resection of HS, topical glucocorticoid therapy or drug injections, pressure therapy, fractional carbon dioxide laser therapy, and cryotherapy. In terms of non-surgical therapy, glucocorticoids (like Triamcinolone acetonide, a synthetic corticosteroid medication used topically to treat various skin conditions) was able to effectively inhibit HS formation safely for decades. The effects of glucocorticoids may either be due to its anti-inflammatory, anti-allergenic and immunomodulatory effects or activate fatty acids metabolism by promotion of lipid accumulation in fibroblasts. However, it is no clear why and how glucocorticoids-upregulated fatty acid metabolisms benefit in HS treatment and prevention.And it remains to be defined how altered microRNAs regulated-fatty acid metabolism involved in pathological scars.

2023-02-25 | GSE225646 | GEO

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