Article Publish Status: FREE
Abstract Title:

Crocetin and Its Glycoside Crocin, Two Bioactive Constituents FromL. (Saffron), Differentially Inhibit Angiogenesis by Inhibiting Endothelial Cytoskeleton Organization and Cell Migration Through VEGFR2/SRC/FAK and VEGFR2/MEK/ERK Signaling Pathways.

Abstract Source:

Front Pharmacol. 2021 ;12:675359. Epub 2021 Apr 30. PMID: 33995106

Abstract Author(s):

Chen Zhao, Hio-Tong Kam, Yan Chen, Guiyi Gong, Maggie Pui-Man Hoi, Krystyna Skalicka-Woźniak, Alberto Carlos Pires Dias, Simon Ming-Yuen Lee

Article Affiliation:

Chen Zhao


Crocetin and crocin are two important carotenoids isolated from saffron (L.), which have been used as natural biomedicines with beneficial effects for improving the suboptimal health status associated with abnormal angiogenesis. However, the anti-angiogenic effects and underlying mechanisms of the effects of crocetin and crocin have not been investigated and compared. The anti-angiogenic effects of crocetin and crocin were tested on human umbilical vein endothelial cells (HUVECs), and in zebrafish., crocetin (20 μM) and crocin (50 and 100 μM) significantly inhibited subintestinal vein vessels formation, and a conversion process between them existed in zebrafish, resulting in a difference in their effective concentrations. In the HUVEC model, crocetin (10, 20 and 40 μM) and crocin (100, 200 and 400 μM) inhibited cell migration and tube formation, and inhibited the phosphorylation of VEGFR2 and its downstream pathway molecules.analysis further showed that crocetin had a higher ability to bind with VEGFR2 than crocin. These results suggested that crocetin was more effective than crocin in inhibiting angiogenesis through regulation of the VEGF/VEGFR2 signaling pathway. These compounds, especially crocetin, are potential candidate natural biomedicines for the management of diseases associated with abnormal blood vessel growth, such as age-related macular degeneration.

Study Type : Animal Study

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