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- 저자 : Ulrike May (검색결과 1 건)
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Role of carbonic anhydrases in skin wound healing
Harlan Barker,Marleena Aaltonen,Peiwen Pan,Maria Vähätupa,Pirkka Kaipiainen,Ulrike May,Stuart Prince,Hannele Uusitalo-Järvinen,Abdul Waheed,Silvia Pastoreková,William S Sly,Seppo Parkkila,Tero AH Järv 생화학분자생물학회 2017 Experimental and molecular medicine Vol.49 No.-
Skin wound closure occurs when keratinocytes migrate from the edge of the wound and re-epithelialize the epidermis. Their migration takes place primarily before any vascularization is established, that is, under hypoxia, but relatively little is known regarding the factors that stimulate this migration. Hypoxia and an acidic environment are well-established stimuli for cancer cell migration. The carbonic anhydrases (CAs) contribute to tumor cell migration by generating an acidic environment through the conversion of carbon dioxide to bicarbonate and a proton. On this basis, we explored the possible role of CAs in tissue regeneration using mouse skin wound models. We show that the expression of mRNAs encoding CA isoforms IV and IX are increased (~25 × and 4 × , respectively) during the wound hypoxic period (days 2–5) and that cells expressing CAs form a bandlike structure beneath the migrating epidermis. RNA-Seq analysis suggested that the CA IV-specific signal in the wound is mainly derived from neutrophils. Due to the high level of induction of CA IV in the wound, we treated skin wounds locally with recombinant human CA IV enzyme. Recombinant CA IV significantly accelerated wound re-epithelialization. Thus, CA IV could contribute to wound healing by providing an acidic environment in which the migrating epidermis and neutrophils can survive and may offer novel opportunities to accelerate wound healing under compromised conditions.
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