Plasminogen/thrombomodulin signaling enhances VEGF expression to promote cutaneous wound healing

doi:10.1007/s00109-018-1702-1

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標題:	Plasminogen/thrombomodulin signaling enhances VEGF expression to promote cutaneous wound healing
作者:	Cheng, Tsung-Lin Chen, Po-Ku Huang, Wei-Kai Kuo, Cheng-Hsiang Cho, Chia-Fong Wang, Kuan-Chieh Shi, Guey-Yueh Wu, Hua-Lin Lai, Chao-Han
貢獻者:	Kaohsiung Med Univ, Sch Med, Dept Physiol, Coll Med Kaohsiung Med Univ, Kaohsiung Med Univ Hosp, Coll Med, Orthopaed Res Ctr Kaohsiung Med Univ Hosp, Dept Med Res Natl Cheng Kung Univ, Cardiovasc Res Ctr Natl Cheng Kung Univ, Dept Biochem & Mol Biol, Coll Med Natl Cheng Kung Univ, Inst Basic Med Sci, Coll Med Natl Cheng Kung Univ, Dept Med Lab Sci & Biotechnol, Coll Med Natl Cheng Kung Univ, Coll Med, Dept Food Safety Hyg & Risk Management Chia Nan Univ Pharm & Sci, Coll Recreat & Hlth Management, Dept Tourism Management Natl Cheng Kung Univ, Natl Cheng Kung Univ, Dept Surg, Coll Med
關鍵字:	Plasminogen Thrombomodulin VEGF Wound healing
日期:	2018-12
上傳時間:	2019-11-15 15:48:10 (UTC+8)
出版者:	SPRINGER HEIDELBERG
摘要:	Plasminogen (Plg) and thrombomodulin (TM) are glycoproteins well known for fibrinolytic and anticoagulant functions, respectively. Both Plg and TM are essential for wound healing. However, their significance during the reparative process was separately demonstrated in previous studies. Here, we investigate the interaction between Plg and epithelial TM and its effect on wound healing. Characterization of the wound margin revealed that Plg and TM were simultaneously upregulated at the early stage of wound healing and the two molecules were bound together. In vitro, TM silencing or knockout in keratinocytes inhibited Plg activation. Plg treatment enhanced keratinocyte proliferation and migration, and these actions were abolished by TM antibody. Keratinocyte-expressed vascular endothelial growth factor (VEGF), which presented a dose-response relationship with Plg treatment, can be suppressed by TM silencing. Moreover, treatment with VEGF antibody inhibited Plg-enhanced keratinocyte proliferation and wound recovery. In vivo, TM antibody treatment and keratinocyte-specific TM knockout can impede Plg-enhanced wound healing in mice. In high-glucose environments, Plg-enhanced VEGF expression and wound healing were suppressed due at least in part to downregulation of keratinocyte-expressed TM. Taken together, our findings suggest that activation of Plg/TM signaling may hold therapeutic potential for chronic wounds in diabetic or non-diabetic individuals.Key messagesPlg binds to TM in cutaneous wound healing.TM facilitates the activation of Plg to Plm in keratinocytes.Epithelial TM regulates Plg-enhanced wound healing through VEGF expression.
link:	http://dx.doi.org/10.1007/s00109-018-1702-1
關聯:	Journal of Food Science and Technology-Mysore, v.96, n.12, pp.1333-1344
顯示於類別:	[觀光事業管理系(含溫泉所)] 期刊論文

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