* Acute and chronic wound fluids influence keratinocyte function differently.
- Wound healing requires a proper functioning of keratinocytes that migrate, proliferate and lead to a competent wound closure. Impaired wound healing might be due to a disturbed keratinocyte function caused by the wound environment. Basically, chronic wound fluid (CWF) differs from acute wound fluid (AWF). The aim of this study was to analyse the effects of AWF and CWF on keratinocyte function. We therefore investigated keratinocyte migration and proliferation under the influence of AWF and CWF using MTT [3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide] test and scratch assay. We further measured the gene expression by qRT-PCR regarding growth factors and matrixmetalloproteinases (MMPs) involved in regeneration processes. AWF had a positive impact on keratinocyte proliferation over time, whereas CWF had an anti-proliferative effect. Keratinocyte migration was significantly impaired by CWF in contrast to an undisturbed wound closure under the influence of AWF. MMP-9 expression was strongly upregulated by CWF compared with AWF. Keratinocyte function was significantly impaired by CWF. An excessive induction of MMP-9 by CWF might lead to a permanent degradation of extracellular matrix and thereby prevent wounds from healing.
=>1.超えて, 一面に, 移って, 始めから終わりまで, 終わって, を支配して, の間, しながら, 倒れて, の上に,
を覆って, を越えて, の向こう側に, より多く, 2.もう一度, 繰り返して
Overview of noun over
The noun over has 1 sense (no senses from tagged texts)
1. over -- ((cricket) the division of play during which six balls are bowled at the batsman by one
player from the other team from the same end of the pitch)
Overview of adj over
The adj over has 1 sense (first 1 from tagged texts)
1. (21) complete, concluded, ended, over, all over, terminated -- (having come or been brought to a
conclusion; "the harvesting was complete"; "the affair is over, ended, finished"; "the abruptly
terminated interview")
Overview of adv over
The adv over has 5 senses (first 3 from tagged texts)
1. (23) over -- (at or to a point across intervening space etc.; "come over and see us some time";
"over there")
2. (2) over -- (throughout an area; "he is known the world over")
3. (1) over, o'er -- (throughout a period of time; "stay over the weekend")
4. over -- (beyond the top or upper surface or edge; forward from an upright position; "a roof that
hangs over";)
5. all over, over -- (over the entire area; "the wallpaper was covered all over with flowers"; "she
ached all over"; "everything was dusted over with a fine layer of soot")
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