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• W2054052583 abstract "Angiogenesis is an important biological process in tissue development and repair. Fucoidan has previously been shown to potentiate in vitro tube formation in the presence of basic fibroblast growth factor (FGF-2). However, the underlying molecular mechanism remains largely unknown. This study was designed to investigate the action of fucoidan in angiogenesis in human umbilical vein endothelial cells (HUVECs) and to explore fucoidan-signalling pathways. First, we evaluated the effect of fucoidan on cell proliferation. Matrigel-based tube formation and wound healing assays were performed to investigate angiogenesis. Matrix metalloproteinase-2 (MMP-2) mRNA expression and activity levels were analysed by reverse transcription polymerase chain reaction (RT-PCR) and zymography, respectively. Additionally, phosphorylation of mitogen-activated protein kinases (MAPKs) and protein kinase B (AKT) was detected by Western blot. The results indicate that fucoidan treatment significantly increased cell proliferation in the presence of FGF-2. Moreover, compared to the effect of FGF-2 alone, fucoidan and FGF-2 had a greater effect on tube formation and cell migration, and this effect was found to be synergistic. Furthermore, fucoidan enhanced the phosphorylation of extracellular signal-regulated kinase (ERK), c-Jun N-terminal kinase (JNK), p38, and AKT. MMP-2 activation was also significantly increased. Specific inhibitors of p38 (SB203580) and JNK (SP600125) inhibited tube formation and wound healing, while an ERK inhibitor (PD98059) did not. MMP-2 activation and AKT phosphorylation were also attenuated and associated with the suppression of p38 and JNK phosphorylation, but not with that of ERK. These results indicate that fucoidan, in the presence of FGF-2, induces angiogenesis through AKT/MMP-2 signalling by activating p38 and JNK. These findings provide basic molecular information on the effect of fucoidan on angiogenesis in the presence of FGF-2." @default.
• W2054052583 created "2016-06-24" @default.
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• W2054052583 date "2014-08-01" @default.
• W2054052583 modified "2023-10-18" @default.
• W2054052583 title "Fucoidan/FGF-2 induces angiogenesis through JNK- and p38-mediated activation of AKT/MMP-2 signalling" @default.
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• W2054052583 doi "https://doi.org/10.1016/j.bbrc.2014.06.137" @default.
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• W2054052583 hasPublicationYear "2014" @default.
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