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Thrombospondin-4 is a soluble dermal inflammatory signal that activates the fibroblast migration for skin regeneration and wound healing

ABSTRACT: Thrombospondin-4 is a soluble dermal inflammatory signal that activates the fibroblast migration for skin regeneration and wound healing

PROVIDER: PRJNA745989 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR15108237.fastq.gz	Fastqsanger.gz
	SRR15108238.fastq.gz	Fastqsanger.gz
	SRR15108239.fastq.gz	Fastqsanger.gz
	SRR15108240.fastq.gz	Fastqsanger.gz

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Similar Datasets

Thrombospondin-4 is a soluble dermal inflammatory signal that activates the fibroblast migration for skin regeneration and wound healing

Project description:The present study aimed to investigate the role of Thbs4 in skin regeneration and elucidate its effects on cellular responses. Here we show that Thbs4 expression is upregulated in healing skin wounds and wound healing can be promoted by the application of recombinant Thbs4 protein. Thbs4 was shown to promote keratinocyte proliferation and fibroblast migration by activating β-catenin signalling cascade. This indicates that incorporating Thbs4 into novel wound healing therapies can be a promising therapeutic strategy for hard-to-heal chronic wounds.

2021-10-13 | GSE179969 | GEO

Thrombospondin-4 is a soluble dermal signal that selectively promotes fibroblast migration and keratinocyte proliferation for skin regeneration and wound healing

Project description:Thrombosponin-4 (THBS4) is a non-structural extracellular matrix molecule associated with tissue regeneration and a variety of pathological processes characterized by increased cell proliferation and migration. However, the mechanisms of how THBS4 regulates cell behaviour as well as the pathways contributing to its effects have remained largely unexplored. In the present study we investigated the role of THBS4 in skin regeneration both in vitro and in vivo. We found that THBS4 expression was upregulated in the dermal compartment of healing skin wounds in humans as well as in mice. Application of recombinand THBS4 protein promoted cutaneous wound healing in mice and selectively stimulated migration of primary fibroblasts as well as proliferation of keratinocytes in vitro. By using a combined proteotranstriptomic pathway analysis approach we discovered that beta-catenin acted as a hub for THBS4-dependent cell signaling and likely plays a key role in promoting its downstream effects. Out results suggest that THBS4 is an important contributor to wound healing and its incorporation into novel wound healing therapies may be a promising strategy for treatment of hard-to-heal wounds.

2022-02-17 | PXD027364 | Pride

Thrombospondin-4 Is a Soluble Dermal Inflammatory Signal That Selectively Promotes Fibroblast Migration and Keratinocyte Proliferation for Skin Regeneration and Wound Healing.

Project description:Thrombospondin-4 (THBS4) is a non-structural extracellular matrix molecule associated with tissue regeneration and a variety of pathological processes characterized by increased cell proliferation and migration. However, the mechanisms of how THBS4 regulates cell behavior as well as the pathways contributing to its effects have remained largely unexplored. In the present study we investigated the role of THBS4 in skin regeneration both in vitro and in vivo. We found that THBS4 expression was upregulated in the dermal compartment of healing skin wounds in humans as well as in mice. Application of recombinant THBS4 protein promoted cutaneous wound healing in mice and selectively stimulated migration of primary fibroblasts as well as proliferation of keratinocytes in vitro. By using a combined proteotranscriptomic pathway analysis approach we discovered that β-catenin acted as a hub for THBS4-dependent cell signaling and likely plays a key role in promoting its downstream effects. Our results suggest that THBS4 is an important contributor to wound healing and its incorporation into novel wound healing therapies may be a promising strategy for treatment of cutaneous wounds.

| S-EPMC8495264 | biostudies-literature

Soluble CD83 improves and accelerates wound healing by the induction of pro-resolving macrophages

Project description:To facilitate the recovery process of chronic and hard-to-heal wounds novel pro-resolving treatment options are urgently needed. We investigated the pro regenerative properties of soluble CD83 (sCD83) on cutaneous wound healing, where sCD83 accelerated wound healing not only after systemic but also after topical application, which is of high therapeutic interest. Cytokine profile analyses revealed an initial upregulation of inflammatory mediators such as TNFa and IL-1b, followed by a switch towards pro-resolving factors, including YM-1 and IL-10, both expressed by tissue repair macrophages. These cells are known to mediate resolution of inflammation and stimulate wound healing processes by secretion of growth factors such as epidermal growth factor (EGF) and vascular endothelial growth factor (VEGF), which promote vascularization as well as fibroblast and keratinocyte differentiation. In conclusion, we have found strong wound healing capacities of sCD83 beyond the previously described role in transplantation and autoimmunity. This makes sCD83 a promising candidate for the treatment of chronic- and hard-to-heal wounds

2022-09-30 | GSE214079 | GEO

Soluble CD83 improves and accelerates wound healing by the induction of pro-resolving macrophages

Project description:Soluble CD83 improves and accelerates wound healing by the induction of pro-resolving macrophages

| PRJNA883724 | ENA

Enhanced wound healing of tissue-engineered human corneas through altered phosphorylation of the CREB and AKT signal transduction pathways

Project description:The cornea is a transparent organ, highly specialized and unique that is continually subjected to abrasive forces and occasional mechanical or chemical trauma because of its anatomical localization. Upon injury, the extracellular matrix (ECM) rapidly changes to promote wound healing through integrin-dependent activation of specific signal transduction mediators whose contribution is to favor faster closure of the wound by altering the adhesive and migratory properties of the cells surrounding the damaged area. In this study, we exploited the human tissue-engineered cornea (hTECs) as a model to study the signal transduction pathways that participate to corneal wound healing. By exploiting both gene profiling and activated kinases arrays, we could demonstrate the occurrence of important alterations in the level of expression and activation of a few mediators from the PI3K/Akt and CREB pathways in response to the ECM remodeling taking place during wound healing of damaged hTECs. Pharmacological inhibition of CREB with C646 considerably accelerated wound closure compared to controls. This process was considerably accelerated further when both C646 and SC79, an Akt agonist, were added together to wounded hTECs. Therefore, our study demonstrate that proper corneal wound healing requires the activation of Akt together with the inhibition of CREB and that wound healing in vitro can be altered by the use of pharmacological inhibitors (such as C646) or agonists (such as SC79) of these mediators.

2018-04-21 | GSE113438 | GEO

Dynamic Single Cell Proteomics Reveals the Functional Shifts of Dermal Sheath Cells during Wound Healing

Project description:Single-cell proteomics data of dermal sheath cells (DSCs) during wound healing, generated using SCoPE2-MS, highlighting dynamic protein expression and functional changes across different healing stages.

2024-10-28 | PXD057239 |

Hindlimb unloading alters wound healing in ligaments

Project description:A recent physiological study established that hindlimb unloading of rats at 3 and 7 weeks inhibits healing of injured ligaments, resulting in a badly aligned, discontinuous collagen matrix. Using tissue from these rats, we focused on the 3-week time point employing microarray analysis to identify what cellular processes or lack of processes could account for these observed deficiencies. We used the Afyymetrix RG_U34A GeneChip and performed image analysis with Microarray Suite 5.0. For normalization we used the MAS global normalization protocol with a default target mean signal of 500. Gene expression in medial collateral ligament tissue under 4 different treatment conditions was measured: loaded control, loaded wound healing, unloaded control, and unloaded wound healing. From our results, it appears that unloaded tissue lags behind loaded tissue in its progression through the healing process and at 3 weeks is still engaged in the proliferative phase, whereas loaded tissue is actively remodeling its collagen matrix. Summary tables below: Affymetrix MAS comparative analysis data for the 1778 genes qualified for further analysis as a result of detection call values. Keywords: other

2004-03-10 | GSE1105 | GEO

Metabolic Reprogramming and Reliance in Human Skin Wound Healing

Project description:Impaired skin wound healing is a significant global health issue, especially among the elderly. Wound healing is a well-orchestrated process involving the sequential phases of inflammation, proliferation, and tissue remodeling. Although wound healing is a highly dynamic and energy-requiring process, the role of metabolism remains largely unexplored. By combining transcriptomics and metabolomics of human skin biopsy samples, we mapped the core bioenergetic and metabolic changes in normal acute as well as chronic wounds in elderly subjects. We found upregulation of glycolysis, the tricarboxylic acid cycle, glutaminolysis, and β-oxidation in the later stages of acute wound healing and in chronic wounds. To ascertain the role of these metabolic pathways on wound healing, we targeted each pathway in a wound healing assay as well as in a human skin explant model using metabolic inhibitors and stimulants. Enhancement or inhibition of glycolysis and, to a lesser extent, glutaminolysis had a far greater impact on wound healing than similar manipulations of oxidative phosphorylation and fatty acid β-oxidation. These findings increase the understanding of wound metabolism and identify glycolysis and glutaminolysis as potential targets for therapeutic intervention.

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Human Skin Transcriptome during Epidermal Wound Healing

Project description:In order to clarify the human response of re-epithelialization, we biopsied split-thickness skin graft donor site wounds immediately before and after harvesting, as well as during the healing process 3 and 7 days thereafter. Altogether 25 biopsies from 8 patients qualified for the study. All samples were analysed by genome-wide microarrays. Here we identified the genes associated with normal skin re-epithelialization on time-scale, and organized them by similarities according to their induction or suppression patterns during wound healing. Overall 25 samples were analyzed

2011-04-29 | E-GEOD-28914 | biostudies-arrayexpress

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