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Lithium chloride promotes diabetic corneal epithelial wound healing by activating the Wnt/β‑catenin signaling pathway.

Experimental and therapeutic medicine, ISSN: 1792-1015, Vol: 26, Issue: 2, Page: 373
2023
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Study Results from Three Gorges University Provide New Insights into Armadillo Domain Proteins (Lithium Chloride Promotes Diabetic Corneal Epithelial Wound Healing By Activating the Wnt/beta-catenin Signaling Pathway)

2023 AUG 18 (NewsRx) -- By a News Reporter-Staff News Editor at Genomics & Genetics Daily -- Research findings on Proteins - Armadillo Domain Proteins

Article Description

Corneal epithelial abnormality is a common manifestation of diabetic keratopathy and leads to delayed epithelial wound healing. The Wnt/β-catenin signaling pathway participates in the development, differentiation and stratification of corneal epithelial cells. The present study compared the expression of Wnt/β-catenin signaling pathway related factors, including Wnt7a, β-catenin, cyclin D1 and phosphorylated (p-) glycogen synthase kinase 3 β (Gsk3b) between normal and diabetic mouse corneas, by reverse transcription-quantitative PCR, western blotting and immunofluorescence staining. It was found that the expression of the Wnt/β-catenin signaling pathway related factors was downregulated in diabetic corneas. Upon corneal epithelium scraping, the wound healing rate was significantly increased in diabetic mice after topical treatment with lithium chloride. After further investigation, significantly upregulated levels of Wnt7a, β-catenin, cyclin D1 and p-Gsk3b were found in the diabetic group 24 h after treatment, accompanied by β-catenin nuclear translocation observed by immunofluorescence staining. These results suggest that active Wnt/β-catenin pathway can promote diabetic corneal epithelial wound healing.

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