Journal
FRONTIERS IN PHARMACOLOGY
Volume 13, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fphar.2022.953691
Keywords
diabetic retinopathy; cells; potential drug targets; biomarkers; drug therapy
Categories
Funding
- National Natural Science Foundation of China [82174034]
- CAMS Innovation Fund for Medical Sciences (CIFMS) [2021-I2M-1-031, 2021-I2M-1-028]
- Yunnan Wang Jinhui Expert Workstation [202105AF150057]
- Yunnan Provincial Science and Technology Talent and Platform Program [202105AG070011]
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Diabetic retinopathy is one of the leading causes of vision loss and blindness worldwide. Its cellular pathology involves dysfunction and damage to multiple retinal cells. Although there have been advancements in drug treatment for DR, the underlying mechanism is still not fully understood. This review provides a theoretical basis for further research by discussing recent studies on cellular pathology, diagnostic and prognostic biomarkers, and drug therapy for DR.
Diabetic retinopathy (DR), a leading cause of vision loss and blindness worldwide, is caused by retinal neurovascular unit dysfunction, and its cellular pathology involves at least nine kinds of retinal cells, including photoreceptors, horizontal and bipolar cells, amacrine cells, retinal ganglion cells, glial cells (Muller cells, astrocytes, and microglia), endothelial cells, pericytes, and retinal pigment epithelial cells. Its mechanism is complicated and involves loss of cells, inflammatory factor production, neovascularization, and BRB impairment. However, the mechanism has not been completely elucidated. Drug treatment for DR has been gradually advancing recently. Research on potential drug targets relies upon clear information on pathogenesis and effective biomarkers. Therefore, we reviewed the recent literature on the cellular pathology and the diagnostic and prognostic biomarkers of DR in terms of blood, protein, and clinical and preclinical drug therapy (including synthesized molecules and natural molecules). This review may provide a theoretical basis for further DR research.
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