Products Cited in Publications Worldwide Effects of blue light-exposed retinal pigment epithelial cells on the process of ametropia

Effects of blue light-exposed retinal pigment epithelial cells on the process of ametropia

Dai, Xiaochan; Tang, Zhimin; Ju, Yahan; Ni, Ni; Gao, Huiqin; Wang, Jiajing; Yin, Luqiao; Liu, Ailin; Weng, Shijun; Zhang, Jianhua

DOI: PMID:

Abstract

Ametropia is one of the most common ocular disorders worldwide, to which almost half of visual impairments are attributed. Growing evidence has linked the development of ametropia with ambient light, including blue light, which is ubiquitous in our surroundings and has the highest photonic energy among the visible spectrum. However, the underlying mechanism of blue light-mediated ametropia remains controversial and unclear. In the present study, our data demonstrated that exposure of the retinal pigment epithelium (RPE) to blue light elevated the levels of the vital ametropia-related factor type Ⅰ collagen (COL1) via β-catenin inhibition in scleral fibroblasts, leading to axial ametropia (hyperopic shift). Herein, our study provides evidence for the vital role of blue light-induced RPE dysfunction in the process of blue light-mediated ametropia, providing intriguing insights into ametropic aetiology and pathology by proposing a link among blue light, RPE dysfunction and ametropia.

Keywords

Ametropia ; Blue light ; Retinal pigment epithelium ; Scleral fibroblasts ; Type I collagen ; β-catenin

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