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- Title
Transforming growth factor‐β blocks glucose‐induced inflammation and apoptosis in corneal epithelial cells.
- Authors
Liu, Fengge; Kong, Hui; Kong, Xiangfeng
- Abstract
Diabetic retinopathy is the most important ocular complication associated with diabetes. Corneal defects due to diabetes mellitus (DM) may cause severe vision impairments. This study aimed to identify the effect of transforming growth factor‐β (TGF‐β) on biological events, such as apoptosis and inflammation, in the diabetic cornea. High‐glucose treatment induced reactive oxygen species (ROS) production and several biological events, including apoptosis and inflammatory cytokine secretion, in human corneal epithelial cells. However, administration of TGF‐β significantly decreased ROS production, Annexin V‐positive cells, and levels of inflammatory cytokines. Sprague Dawley rats were injected with streptozotocin (STZ) as a model of DM. Inflammatory cytokine secretion, apoptosis, and inflammation were all increased by STZ treatment. However, apoptosis and inflammation were markedly reduced following TGF‐β treatment. In conclusion, TGF‐β can ameliorate the enhancement of apoptosis and inflammation in diabetic cornea in in vivo and in vitro. In this study, we investigated the effect of transforming growth factor‐β (TGF‐β) on biological events, such as apoptosis and inflammation, in the diabetic cornea. We found high‐glucose treatment induced reactive oxygen species (ROS) production, including apoptosis and inflammatory cytokine secretion, in human corneal epithelial cells, which was reduced by TGF‐β treatment in vitro and in vivo.
- Subjects
TRANSFORMING growth factors; INFLAMMATION; APOPTOSIS; EPITHELIAL cells; DIABETIC retinopathy
- Publication
FEBS Open Bio, 2018, Vol 8, Issue 12, p1936
- ISSN
2211-5463
- Publication type
Article
- DOI
10.1002/2211-5463.12529