ArticleHuman cell2025
ITGA5 drives angiogenesis in diabetic retinopathy via TAK-1/NF-kB activation.
Article in Human cell, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Resibufogenin promotes angiogenesis via the VAV3-mediated ITGA5-VEGF signaling axis in macrophages to alleviate myocardial infarction.Acta pharmacologica Sinica · 2026Article
- Pericyte-derived cancer-associated fibroblasts correlate with poor survival and are enriched after chemoradiotherapy in glioblastoma.PloS one · 2026Article
- Identification and validation of key mitophagy-related biomarkers in the pathogenesis of proliferative diabetic retinopathy.Frontiers in endocrinology · 2025Article
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Authors and funding
5 authors.
Funding
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Abstract
Diabetic retinopathy is a retinal damage, which causes vision impairment and blindness. Integrin Subunit Alpha 5 (ITGA5) regulates angiogenic response, but its roles in diabetic retinopathy remain unclear. In this work, diabetes mellitus was induced in rats by streptozotocin. ITGA5 interference was achieved by intravitreal delivery of adeno-associated virus. Upregulation of ITGA5 was found in diabetic rat retinal tissues. ITGA5 knockdown decreased the neovascularization, acellular capillary formation, and pericytes. The protein expression of vascular endothelial growth factor (VEGFA), vascular adhesion molecule-1(VCAM-1), and intercellular adhesion molecule-1 (ICAM-1) was reduced after ITGA5 interference. Besides, ITGA5 knockdown decreased the phosphorylation level of FAK, TAK-1, and p65. In vitro, rat retinal microvascular endothelial cells (RRMECs) were cultured under high glucose condition to stimulate diabetic environment. ITGA5 knockdown inhibited VEGFA secretion, tube formation, cell invasion, and migration. Upregulation of VCAM-1 and ICAM-1 that induced by high glucose was reversed by ITGA5 silencing. ITGA5 knockdown blocked the activation of TAK-1/NF-kB pathway in RRMECs. Additionally, in oxygen-induced retinopathy model, ITGA5 interference inhibited pathological neovascularization. These results demonstrate that ITGA5 contributes to the angiogenesis in diabetic retinopathy by activating TAK-1/NF-kB pathway.
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