Gentiopicroside attenuates diabetic retinopathy by inhibiting inflammation, oxidative stress, and NF-κB activation in rat model

Autor: Xian Zhang, En Shi, Lan Yang, Weina Fu, Feng Hu, Xisong Zhou
Jazyk: angličtina
Rok vydání: 2019
Předmět:
Zdroj: European Journal of Inflammation, Vol 17 (2019)
Druh dokumentu: article
ISSN: 2058-7392
20587392
28123530
DOI: 10.1177/2058739219847837
Popis: Diabetic retinopathy, an inflammatory condition, is one of the devastating complication associated with diabetes that can lead to irreversible blindness. Gentiopicroside (GP), a secoiridoid glycoside, exhibits anti-inflammatory and antioxidant activity. The investigation was carried out to explore whether GP could attenuate diabetic retinopathy in diabetic rats. Diabetes was induced by injecting streptozotocin (STZ) (65 mg/kg) intraperitoneally in 8-weeks-old male rats (200–240 g). The treatment group received GP (20, 40, 80 mg/kg) orally for a duration of 10 weeks in diabetic rats (n = 10), and the diabetic group animals received phosphate buffer solution (n = 20). Effect of GP on cell viability study was performed by 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2H-tetrazolium bromide (MTT) assay. Oxidative stress markers, inflammatory mediators, and angiogenic factors were quantified in the retinal tissues of diabetic animals. All data were analyzed by one-way analysis of variance (ANOVA) at P
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