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Helminth protein enhances wound healing by inhibiting fibrosis and promoting tissue regeneration

ABSTRACT: Helminth protein enhances wound healing by inhibiting fibrosis and promoting tissue regeneration

PROVIDER: PRJNA1138785 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR29921937.fastq.gz	Fastqsanger.gz
	SRR29921938.fastq.gz	Fastqsanger.gz
	SRR29921939.fastq.gz	Fastqsanger.gz
	SRR29921940.fastq.gz	Fastqsanger.gz

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Helminth protein enhances wound healing by inhibiting fibrosis and promoting tissue regeneration

Project description:Skin wound healing due to full thickness wounds typically results in fibrosis and scarring, where parenchyma tissue is replaced with connective tissue. A major advance in wound healing research would be to instead promote tissue regeneration. Helminth parasites express excretory/secretory (ES) molecules, which can modulate mammalian host responses. One recently discovered ES protein, TGF-β mimic (TGM), binds the TGF- receptor, though likely has other activities. Here we demonstrate that topical administration of TGM under a Tegaderm bandage enhanced wound healing and tissue regeneration in an in vivo wound biopsy model. Increased restoration of normal tissue structure in the wound beds of TGM-treated mice was observed during mid- to late-stage wound healing. Both accelerated re-epithelialization and hair follicle regeneration were observed. Further analysis showed differential expansion of myeloid populations at different wound healing stages, suggesting recruitment and reprogramming of specific macrophage subsets. This study indicates a role for TGM as a potential therapeutic option for enhanced wound healing.

2024-08-19 | GSE272815 | GEO

Exosomes from MSC facilitate diabetic wound healing by promoting angiogenesis

Project description:Exosomes from MSC facilitate diabetic wound healing by promoting angiogenesis

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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.

2024-07-02 | MTBLS3315 | MetaboLights

Olfactomedin-4 improves cutaneous wound healing by promoting skin cell proliferation and migration

Project description:Olfactomedin-4 (OLFM4) is an olfactomedin-domain-containing glycoprotein which regulates cell adhesion, proliferation, gastrointestinal inflammation, innate immunity and cancer metastasis. In the present study investigated its role in skin regeneration and wound healing. We found that OLFM4 expression is transiently upregulated in the proliferative phase of cutaneous wound healing in humans as well as in mice. Moreover, a significant increase in OLFM4 expression was detected in the skin of lesional psoriasis, a chronic inflammatory disease characterized by keratinocyte hyperproliferation. In vitro experiments demonstrated that OLFM4 can selectively stimulate keratinocyte proliferation and increase both keratinocyte and fibroblast migration ability. Using proteotransciptomic pathway analysis we revealed that transcription factors POU5F1/OCT4 and ESR1 acted as hubs for OLFM4-dependent signalling in keratinocytes. In vivo experiments utilizing mouse splinted full-thickness cutaneous wound healing model showed that application of recombinant OLFM4 protein can significantly improve wound healing time. Taken together, our results suggest that OLFM4 is a transiently upregulated inflammatory signal that promotes wound healing by supporting the functions of both dermal and epidermal cell compartments.

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Exosomes from MSC facilitate diabetic wound healing by promoting angiogenesis

Project description:Mesenchymal stem cell (MSC)-derived exosomes had been reported to be a prospective candidate in accelerating diabetic wound healing. Hence, this study intended to explore whether exosomes originating from the human umbilical cord MSC (hucMSC) could display a superior proangiogenic effect on diabetic wound repair and its underlying molecular mechanism.

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Helminth protein enhances wound healing by inhibiting fibrosis and promoting tissue regeneration

Project description: Not available

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SOX2 epidermal overexpression promotes cutaneous wound healing via activation of EGFR/MEK/ERK signaling mediated by EGFR ligands

Project description:We perfomed RNA-seq and wound healing analysis to identify the mechanism how SOX2 promote wound healing. We showed that induction of SOX2 in skin keratinocytes accelerates cutaneous wound healing by promoting keratinocyte migration and proliferation, and enhancement of angiogenesis via the upregulation of EGFR ligands.

2019-09-02 | GSE118859 | GEO

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Project description:Skin wound healing is one of the major prevalent medical problems in the worldwide. Wound healing involves multi-process synergy and re-epithelialization is an essential part of wound healing. Histone H3K36 tri-methylase Setd2 has been extensively studied in different biological processes and diseases. However, the function of Setd2 in the wound healing remains unclear. To elucidate the biological role of Setd2 in the skin wound healing, conditional gene targeting was employed to establish epidermis-specific Setd2-deficient mice. We found that Setd2 deficiency resulted in accelerated re-epithelialization during cutaneous wound healing by promoting keratinocytes proliferation and migration. Furthermore, we demonstrated that loss of Setd2 activated the AKT/mTOR pathway, and pharmacological inhibitions of AKT and mTOR with MK2206 and rapamycin delayed wound closure, respectively. In conclusion, our results reveal the essential role of Setd2 in skin wound healing that is Setd2 loss promotes cutaneous wound healing via activation of AKT/mTOR signaling.

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Setd2 Epidermal Deficiency Promotes Cutaneous Wound Healing via Activation of AKT/mTOR Signaling (ChIP-Seq)

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Mouse wound healing [RNA-seq]

Project description:Mouse wound healing [RNA-seq]

| PRJNA526702 | ENA