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   Combination therapy with butyrate and docosahexaenoic acid for keloid fibrogenesis: An in vitro study  
   
نویسنده torii k. ,maeshige n. ,aoyama-ishikawa m. ,miyoshi m. ,terashi h. ,usami m.
منبع journal brazilian annals of dermatology - 2017 - دوره : 92 - شماره : 2 - صفحه:184 -190
چکیده    Background: a single,effective therapeutic regimen for keloids has not been established yet,and the development of novel therapeutic approaches is expected. butyrate,a short-chain fatty acid,and docosahexaenoic acid (dha),a ω-3 polyunsaturated fatty acid,play multiple anti-inflammatory and anticancer roles via their respective mechanisms of action. objective: in this study,we evaluated the antifibrogenic effects of their single and combined use on keloid fibroblasts. methods: keloid fibroblasts were treated with butyrate (0-16 mm) and/or dha (0-100 μm) for 48 or 96 h. results: butyrate inhibited cell proliferation,and α-smooth muscle actin (α-sma) and type iii collagen expressions,with inhibition of the transforming growth factor (tgf)-β1 and tgf-β type i receptor expressions and increased prostaglandin e2 with upregulation of cyclooxygenase-1 expression with induction of histone acetylation. dha inhibited α-sma,type iii collagen,and tgf-β type i receptor expressions. then,the butyrate/dha combination augmented the antifibrogenic effects,resulting in additional inhibition of α-sma,type i and iii collagen expressions,with strong disruption of stress fiber and apoptosis induction. moreover,the butyrate/dha combination inhibited the cyclooxygenase-2 expression,suggesting stronger anti-inflammatory effect than each monotherapy. study limitations: activation in keloid tissue is affected not only by fibroblasts but also by epithelial cells and immune cells. evaluation of the effects by butyrate and dha in these cells or in an in vivo study is required. conclusion: this study demonstrated that butyrate and docosahexaenoic acid have antifibrogenic effects on keloid fibroblasts and that these may exert therapeutic effects for keloid. © 2017 by anais brasileiros de dermatologia.
کلیدواژه Butyrates; Docosahexaenoic acids; Fibroblasts; Fibrosis; Keloid; Prostaglandins E
آدرس division of nutrition and metabolism,department of biophysics,graduate school of health sciences,kobe university,kobe, Japan, division of nutrition and metabolism,department of biophysics,graduate school of health sciences,kobe university,kobe,japan,department of rehabilitation science,graduate school of health sciences,kobe university,kobe, Japan, division of nutrition and metabolism,department of biophysics,graduate school of health sciences,kobe university,kobe, Japan, division of nutrition and metabolism,department of biophysics,graduate school of health sciences,kobe university,kobe, Japan, department of plastic surgery,graduate school of medicine,kobe university,kobe, Japan, division of nutrition and metabolism,department of biophysics,graduate school of health sciences,kobe university,kobe,japan,department of nutrition,kobe university hospital,kobe, Japan
 
     
   
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