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Abstract Title:

Phytoncide, Nanochemicals from Chamaecyparis obtusa, Inhibits Proliferation and Migration of Vascular Smooth Muscle Cells.

Abstract Source:

J Nanosci Nanotechnol. 2015 Jan ;15(1):112-5. PMID: 26328312

Abstract Author(s):

Leejin Lim, Young-Su Jang, Je-Jung Yun, Heesang Song

Article Affiliation:

Leejin Lim

Abstract:

Phytoncide, nanochemicals extracted from Chamaecyparis obtusa (C. obtusa), is reported to possess many pharmacological activities including immunological stimulating, anti-cancer, antioxidant, and antiinflammatory activities. However, the effect of phytoncide in vascuar diseases, especially on the behavior of vascular smooth muscle cells, has not yet been clearly elucidated. Therefore, in the present study, we investigated the effects of 15 kinds of phytoncide by various extraction conditions from C. obtusa on the proliferation and migration in rat aortic smooth muscle cells (RAoSMCs). First of all, we determined the concentration of each extracts not having cytotoxicity by MTT assay. We observed that the proliferation rate measured using BrdU assay was significantly reduced by supercritical fluid, steam distillation, Me-OH, and hexane extraction fraction in order with higher extent, respectively. Moreover, the treatment of above nanofractions inhibit the migration of RAoSMCs by 40%, 60%, and 30%, respectively, both in 2-D wound healing assay and 3-D boyden chamber assay. Immunoblot revealed that the phosphorylated levels of Akt and ERK were significantly reduced in nanofractions treated RAoSMCs. Taken together, these data suggest that phytoncide extracted from C. obtusa inhibits proliferation and migration in RAoSMCs via the modulation of phosphorylated levels of Akt and ERK. Therefore, phytoncide nanomolecules might be a potential therapeutic approach to prevent or treat atheroscrelosis and restenosis.

Study Type : In Vitro Study

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