期刊
JOURNAL OF NATURAL PRODUCTS
卷 76, 期 11, 页码 2047-2053出版社
AMER CHEMICAL SOC
DOI: 10.1021/np4002898
关键词
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资金
- Fundacao para a Ciencia e Tecnologia, Portugal (FCT) [SFRM/BD/41888/2007, PTDC/SAU-OSM/102083/2008, SFRH/BD/69719/2010, PEst-C/EQB/LA0006/2011, PEst-OE/SAU/UI0038/2011]
- COMPETE
- ERAB [41/06]
- iBeSa (Institute for Beverages and Health, Portugal) [P 10-08]
- Fundação para a Ciência e a Tecnologia [SFRH/BD/69719/2010, PTDC/SAU-OSM/102083/2008, PEst-OE/SAU/UI0038/2011] Funding Source: FCT
Type 1 diabetes mellitus is responsible for metabolic dysfunction, accompanied by chronic inflammation, oxidative stress, and endothelium dysfunction, and is often associated with impaired wound healing. Phenol-rich food improves vascular function, contributing to diabetes prevention. This study has evaluated the effect of phenol-rich beverage consumption in diabetic rats on wound healing, through angiogenesis, inflammation, and oxidative stress modulation. A wound-healing assay was performed in streptozotocin-induced diabetic Wistar rats drinking water, 5% ethanol, and stout beer with and without 10 mg/L xanthohumol (1), for a five-week period. Wounded skin microvessel density was reduced to normal values upon consumption of 1 in diabetic rats, being accompanied by decreased serum VEGF-A and inflammatory markers (IL-1 beta, NO, N-acetylglucosaminidase). Systemic glutathione and kidney and liver H2O2, 3-nitrotyrosine, and protein carbonylation also decreased to healthy levels after treatment with 1, implying an improvement in oxidative stress status. These findings suggest that consumption of xanthohumol (1) by diabetic animals consistently decreases inflammation and oxidative stress, allowing neovascularization control and improving diabetic wound healing.
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