期刊
APMIS
卷 131, 期 8, 页码 403-409出版社
WILEY
DOI: 10.1111/apm.13332
关键词
Aquaporin-3; cell migration; chronic wounds; E-cadherin; skin
Chronic wounds are a significant burden on society and are estimated to affect 1-2% of the global population. The expression of E-cadherin and aquaporin-3, important for skin function and cell migration, is found to be low at the edges of chronic wounds according to immunohistochemical stainings. Further studies are needed to understand the association between this downregulation and the pathophysiology of chronic wounds.
Chronic wounds are defined as wounds that fail to proceed through the normal phases of wound healing; a complex process involving different dynamic events including migration of keratinocytes in the epidermis. Chronic wounds are estimated to affect 1-2% of the human population worldwide and are a major socioeconomic burden. The prevalence of chronic wounds is expected to increase with the rising number of elderly and patients with diabetes and obesity, who are at high risk of developing chronic wounds. Since E-cadherin and the water channel aquaporin-3 are important for both skin function and cell migration, and aquaporin-3 is furthermore involved in wound healing of the skin demonstrated by impaired wound healing in aquaporin-3-null mice, we hypothesized that E-cadherin and aquaporin-3 expression may be dysregulated in chronic wounds. Therefore, we investigated the expression of E-cadherin and aquaporin-3 in biopsies from the edges of chronic wounds from human patients. This was accomplished by immunohistochemical stainings of E-cadherin and aquaporin-3 on serial sections followed by qualitative evaluation of staining patterns, which revealed low expression of both E-cadherin and aquaporin-3 at the wound edge. Future studies are needed to reveal if this downregulation is associated with the pathophysiology of chronic wounds.
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