Olfactomedin-4 supports cutaneous wound healing by promoting skin cell proliferation and migration
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA780776 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR16954806.fastq.gz | Fastqsanger.gz | |||
| SRR16954807.fastq.gz | Fastqsanger.gz | |||
| SRR16954808.fastq.gz | Fastqsanger.gz | |||
| SRR16954809.fastq.gz | Fastqsanger.gz | |||
| SRR16954810.fastq.gz | Fastqsanger.gz |
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Project description:Olfactomedin-4 (OLFM4) is an olfactomedin-domain containing glycoprotein that acts as an important regulator of cell adhesion, proliferation, gastrointestinal inflammation, innate immunity and cancer metastasis. In the present study we aimed to elucidate 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 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.
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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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