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Characterizing the wound healing response that drives human epidermal maturation on transcriptome level

ABSTRACT: We collected biopsies from patients undergoing split-thickness skin graft harvesting. The first biopsy was collected from the intact skin before wounding and the second and third from the donor site wound on 14th and 21st day post-operatively. A genome-wide microarray was then executed from each sample, and the gene profiles of each time point were compared.

ORGANISM(S): Homo sapiens

PROVIDER: GSE50425 | GEO | 2013/08/30

SECONDARY ACCESSION(S): PRJNA217494

REPOSITORIES: GEO

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Characterizing the wound healing response that drives human epidermal maturation on transcriptome level

Project description:We collected biopsies from patients undergoing split-thickness skin graft harvesting. The first biopsy was collected from the intact skin before wounding and the second and third from the donor site wound on 14th and 21st day post-operatively. A genome-wide microarray was then executed from each sample, and the gene profiles of each time point were compared. 12 samples from 4 patients were analyzed

2013-08-30 | E-GEOD-50425 | biostudies-arrayexpress

Transcriptional profiling of a wound healing process in skin and oral mucosa

Project description:When compared to skin, oral mucosal wounds heal rapidly and with reduced scar formation. This study used an Affymetrix microarray platform to compare the transcriptomes of oral mucosa and skin wounds in order to identify critical differences in the healing response at these two sites. Using microarrays, we explored the differences in gene expression in skin and oral mucosal wound healing in a murine model of paired equivalent-sized wounds. Samples were examined from day 0 to day 10 and spanned all stages of the wound healing process. Unwounded matched tissue was used as a control. Tissue samples collected at each post-wounding time point, as well as control samples, were represented by 3 biological replicates.

2010-07-20 | E-GEOD-23006 | biostudies-arrayexpress

Heparan sulfate in skin wounds

Project description:Standardized skin wounds were established surgically on mice and allowed to heal during a 15-day period. Expression of genes related to heparan sulfate biosynthesis was studied in wound bed and edges during the healing process. Total RNA was isolated from wound edge (regenerating skin) and wound bed at 2, 6 and 15 days post wounding, as well as from intact control skin. Three animals were used for each time point.

2010-05-22 | E-GEOD-7435 | biostudies-arrayexpress

Expression data from wound skin taken at three time points post wounding

Project description:The full complement of hair follicles is generated during embryogenesis. Normally, no new hair is created after this time. Large full thickness skin excision wounding can result in the generation of new hair in the adult. Placodes can be observed following complete reepithelialization at wound day 14. The events leading to hair neogenesis following wounding remain poorly understood. Late healing events (from wound day 10 to wound day 14) provide a possible window of induction for hair regeneration. We used microarrays to analyse changes in gene expression during late skin healing to provide candidates for factors involved in hair neogenesis following wounding. 6 week old C57Bl/6 mice received large full thickness skin excisions. Healing wound tissue was excised at wound day 10, 12 or 14 and analyzed for gene expression.

2013-09-01 | E-GEOD-46244 | biostudies-arrayexpress

Expression data from wound skin taken at three time points post wounding

2013-09-01 | GSE46244 | GEO

Single-cell transcriptomics identifies cellular heterogeneity in large skin wounds

Project description:We report transcriptomes of cells from large skin wounds. Dead cells were removed from post-wounding day (PWD) 12 skin wound tissue using dead cell removal kit (MACS). Remaining live cells were analyzed

2018-12-05 | GSE113854 | GEO

To identify genes that are modulated in keratinocytes in response to wounding.

Project description:Dendritic epidermal T cells (DETC) reside in murine skin and participate in homeostasis and wound repair. Upon wounding, DETC become activated through the recognition of an unidentified ligand expressed by keratinocytes proximal to sites of injury. Such DETC activation is mediated through a monoclonal T cell receptor (TCR). Using a soluble form of this monoclonal TCR, we have shown that keratinocytes upregulate DETC TCR ligands in wounded tissue within 2 hours following wounding. Down-modulation of the ligand is seen 3 hours following wounding, and no expression is evident in non-wounded skin. In vitro studies on cell lines which express this unknown ligand indicate that antigen recognition by the DETC TCR is dependent upon N-linked glycosylation of the ligand. Given the glycosylation sensitivity of the ligand and the restricted expression following wounding, we are interested in pursuing microarray analysis to identify genes that are modulated in keratinocytes in response to wounding.

2011-09-06 | GSE31926 | GEO

Gene expression in human oral mucosal fibroblasts and patient-matched skin fibroblasts

Project description:Wound healing within the oral mucosa results in minimal scar formation compared to wounds within the skin. We have recently demonstrated distinct differences in the ageing profiles of cells (oral mucosal and patient-matched skin fibroblasts) isolated from these tissues. We hypothesize that the increased replicative potential of oral mucosal fibroblasts may confer upon them preferential wound healing capacities. Passage-matched early cultures of oral mucosal fibroblasts and skin fibroblasts demonstrated distinct gene expression profiles with a number of genes linked to wound healing/tissue repair. We analyzed the gene expression profiles of oral mucosal and patient-matched skin fibroblasts for multiple patients both prior to (0h) and (6h) following a wounding stimulus. Differences in the gene expression profiles of oral mucosal and patient-matched skin fibroblasts were anlazyed for multiple patients both prior to (0h) and (6h) following a wounding stimulus. Serum starvation and subsequent stimulation provides a model for wounding and RNA extracted at 0h and 6h following this stimulus was hybridized to Affymetrix microarrays for analysis. We sought to compare the expression profiles both between oral and normal fibroblasts, in both serum depleted and stimulated conditions and also compare differences between patients.

2011-01-01 | E-GEOD-21648 | biostudies-arrayexpress

RNA sequencing of chronic graft versus host disease skin lesions defines shared and unique inflammatory pathways characterizing lichen planus and morphea

Project description:Providing new insights into the mechanisms of each skin cGVHD subtype to discover new potentially efficient drugs.

2022-01-11 | GSE157538 | GEO

Interleukin-17 governs hypoxic adaptation of injured epithelium [CITE-seq & single-cell RNA-seq]

Project description:To define the composition of “first responder” lymphocytes that may engage in crosstalk with injured epithelium we profiled the lymphoytes from unwounded health skin and skin from different time points after wounding with CITE-seq and single-cell RNA-sequencing.

2021-02-18 | GSE166949 | GEO

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