Abstract:
AIM OF THE STUDY:The present study was undertaken to evaluate the wound healing effects of the four chief saponins of Astragalus species [cycloastragenol (CA), astragaloside IV (AG), cyclocephaloside I (CCI) and cyclocanthoside E (CCE)]. MATERIAL AND METHODS:Effects of cell viability and proliferation of the isolated compounds were evaluated by the MTT assay on human keratinocyte. The wound healing activity was studied by using in vitro wound healing, proliferation and migration scratch assay. In order to see in vivo effectiveness of the compounds, an animal study with Sprague-Dawley male rats at the age of 12 weeks was carried out, and then the main histological outcomes were investigated to observe reepithelization, neovascularization, and presence of inflammatory cells, granulation tissue amount and maturation. RESULTS:All the compounds increased both fibroblast proliferation and migration, but the effects were much superior for CA at 1 ng/ml concentration. Among the compounds, based on the histological findings, 5% CA preparation was found to be the most remarkable in vivo wound healing agent showing greater cell density, more regularly organized dermis and more newly formed blood vessels. CONCLUSION:Results of this study indicate that the cycloartane-type saponins are the principal constituents responsible for wound healing activities of the roots of Astragalus species substantiating its use in traditional medicine.
journal_name
J Ethnopharmacoljournal_title
Journal of ethnopharmacologyauthors
Sevimli-Gür C,Onbaşılar I,Atilla P,Genç R,Cakar N,Deliloğlu-Gürhan I,Bedir Edoi
10.1016/j.jep.2011.01.030subject
Has Abstractpub_date
2011-04-12 00:00:00pages
844-50issue
3eissn
0378-8741issn
1872-7573pii
S0378-8741(11)00044-4journal_volume
134pub_type
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