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The FGF4–integrin β1 axis orchestrates diabetic wound regeneration by restoring directional collective motility [ChIP-Seq]

ABSTRACT: This dataset was generated to investigate the mechanism by which Fibroblast Growth Factor 4 (FGF4) regulates the binding of C-FOS to the ITGB1 promoter. ChIP sequencing was performed on high glucose-induced HacaT cells, which were divided into low glucose, high glucose, and high glucose plus FGF4 treatment groups.

ORGANISM(S): Homo sapiens

PROVIDER: GSE318682 | GEO | 2026/05/01

REPOSITORIES: GEO

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Project description:The pathogenesis of neuropathic pain is complex, and effective treatment methods are lacking in clinical practice. Recent studies have shown that glucose metabolism reprogramming may be involved in the process of neuropathic pain, but its role and molecular regulatory mechanisms in neuropathic pain are still unclear. In this study, a rat model of chronic constriction injury of the sciatic nerve (CCI) was established, and the pain threshold was evaluated through behavioural analysis. Morphological staining, transmission electron microscopy, transcriptome sequencing, Western blotting, immunofluorescence staining, ELISA, and the whole-cell patch clamp technique were used to systematically observe neuropathological changes, identify differentially expressed genes and associated pathways, and measure the expression levels of glycolysis-related indicators and the key regulatory factor fibroblast growth factor 4 (FGF4). The results showed that the pain threshold of rats decreased and that the structure of sciatic nerve tissue was damaged after CCI. Transcriptome sequencing of the sciatic nerve showed a significant increase in the expression levels of glycolysis-related indicators. Subsequent experiments confirmed that FGF4 expression was downregulated in the sciatic nerve and spinal dorsal horn after CCI, whereas the expression of hypoxia-inducible factor-1α (HIF-1α) and its key downstream glycolytic enzymes was upregulated, accompanied by increased levels of lactic acid and proinflammatory cytokines and decreased ATP levels. The spinal dorsal horn exhibited both synaptic structural abnormalities and neuronal hyperexcitability. Inhibiting HIF-1α alleviated pain and suppressed glycolysis, whereas the overexpression of FGF4 specifically reversed the increase in HIF-1α expression, inhibited neuronal glycolysis, and reduced neuroinflammation and central sensitization, ultimately effectively relieving pain. This study reveals the core role of the FGF4/HIF-1α-mediated regulation of neuronal glycolysis in neuropathic pain, providing a new theoretical basis and experimental evidence for a deeper understanding of the metabolic mechanism of neuropathic pain and the development of targeted treatment strategies.

Dataset Information

The FGF4–integrin β1 axis orchestrates diabetic wound regeneration by restoring directional collective motility [ChIP-Seq]

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