Abstract：
:In clinical pathology, stent interposition is used to treat vascular disease but can lead to restenosis. Drug-eluting stents (DES) are most commonly used to suppress restenosis but can also have side effects. Therefore, we investigated the anti-proliferative effect and its possible target in vitro and in vivo. We found that Alpinia officinarum Hance (AO) extract efficiently inhibited VSMC proliferation by arresting the transition from the G0/G1 to the S phase via the up-regulation of p27KIP1 expression. Galangin (GA) was determined to be a significant component of this extract, with the same anti-proliferative activity as the raw extract. Immunoblotting and immunofluorescence staining showed that both the AO extract and GA targeted the up-regulation of p27KIP1 expression. Therefore, we next examined the effect of these compounds in a cuff-injured neointimal hyperplasia model in vivo. In this animal model, both the AO extract and GA completely suppressed the neointima formation, and this inhibitory effect was also demonstrated to target the up-regulation of p27KIP1, including the suppression of proliferating cell nuclear antigen expression. Our findings indicate that AO extract and GA have a potent anti-proliferative activity, targeting the up-regulation of p27 expression. Thus, GA may represent an alternative medicine for use in DES.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Lee JJ,Lee JH,Yim NH,Han JH,Ma JYdoi
10.1038/s41598-017-08410-2subject
Has Abstractpub_date
2017-08-15 00:00:00pages
8207issue
1issn
2045-2322pii
10.1038/s41598-017-08410-2journal_volume
7pub_type
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