Guo Xu , Penghong Xu , Nan Wang , Weimin Qi , Yuxuan Pu , Nannan Kang , Jianlin Chu , Bingfang He
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引用次数: 0
Abstract
Crocin-4 is a water-soluble carotenoid that exhibits cardiovascular protection effects through anti-inflammatory and antioxidant effects. However, the pharmacodynamic effects and mechanisms of its analogues crocin-1 and crocin-2′ have not been reported. In this study, we evaluated the protective effects of rare crocins on cardiovascular systems. In ox-LDL induced HUVECs model, 0.02, 0.1, 0.5, 1, 2, 3, 4, 5, 6 μg/mL crocin-1 and crocin-2′ can increase cell viability by up to 80 %. Meanwhile, rare crocins at concentrations between 25–100 μg/mL crocin-1 and crocin-2′ reduced the lipid accumulation by 30 % in cholesterol-induced zebrafish larvae. What's more, the therapeutic potential of rare crocins on thrombosis has also been explored. In vitro experiments, rare crocin-1 and crocin-2′ at concentrations of 0.02, 0.05, 0.2, 0.5, 1, 2, 5, 10 μg/mL protected Human Umbilical Vein Endothelial Cells (HUVECs) against lipopolysaccharides-induced oxidative stress and inflammation. In vivo studies revealed that rare crocins at concentrations of 25, 50, 100, 150, 200, and 300 μg/mL exerted significant antithrombotic effect on arachidonic acid (AA)-induced zebrafish and there was nearly no potential risk for the deformity of zebrafish at 300 μg/mL dosages. In brief, rare crocins was viewed as a potentially useful candidate for the treatment of cardiovascular diseases because of its anti-inflammatory, antioxidant, and anticoagulant properties.
期刊介绍:
Fitoterapia is a Journal dedicated to medicinal plants and to bioactive natural products of plant origin. It publishes original contributions in seven major areas:
1. Characterization of active ingredients of medicinal plants
2. Development of standardization method for bioactive plant extracts and natural products
3. Identification of bioactivity in plant extracts
4. Identification of targets and mechanism of activity of plant extracts
5. Production and genomic characterization of medicinal plants biomass
6. Chemistry and biochemistry of bioactive natural products of plant origin
7. Critical reviews of the historical, clinical and legal status of medicinal plants, and accounts on topical issues.