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Drug therapies and delivery mechanisms to treat perturbed skin wound healing

机译:药物疗法和递送机制治疗扰动皮肤伤口愈合

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摘要

Acute wound healing is an orderly process of four overlapping events: haemostasis, inflammation, proliferation and remodelling. A drug delivery system with a temporal control of release could promote each of these events sequentially. However, acute wound healing normally proceeds very well in healthy individuals and there is little need to promote it. In the elderly and diabetics however, healing is often slow and wounds can become chronic and we need to promote their healing. Targeting the events of acute wound healing would not be appropriate for a chronic wound, which have stalled in the proinflammatory phase. They also have many additional problems such as poor circulation, low oxygen, high levels of leukocytes, high reactive oxygen species, high levels of pro-teolytic enzymes, high levels of proinflammatory cytokines, bacterial infection and high pH. The future challenge will be to tackle each of these negative factors to create a wound environment conducive to healing.
机译:急性伤口愈合是四个重叠事件的有序过程:血糖,炎症,增殖和重塑。 具有时间控制的药物递送系统可以顺序地促进这些事件中的每一个。 然而,急性伤口愈合通常在健康的人身上进行非常好,并且很少需要促进它。 然而,在老年人和糖尿病患者中,愈合往往是缓慢而伤口可以成为慢性,我们需要促进他们的治疗。 靶向急性伤口愈合的事件对于慢性伤口不合适,这些伤口已经停滞在促炎阶段。 它们还有许多额外的问题,如循环差,低氧,高水平的白细胞,高反应性氧物种,高水平的前泡沫酶,高水平的促炎细胞因子,细菌感染和高pH值。 未来的挑战将是解决这些消极因素,以创造有利于愈合的伤口环境。

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