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皮肤的衰老与伤口愈合:临床及病理生理学特征综述

Aging and Wound Healing of the Skin: A Review of Clinical and Pathophysiological Hallmarks.

作者信息

Khalid Kamarul Ariffin, Nawi Ahmad Faris Mohd, Zulkifli Nuraqilah, Barkat Md Abul, Hadi Hazrina

机构信息

Department of Orthopaedics, Traumatology & Rehabilitation, Kulliyyah of Medicine, Kuantan 25200, Malaysia.

Department of Orthopaedics, Traumatology & Rehabilitation, Sultan Ahmad Shah Medical Centre (SASMEC) @IIUM, Kuantan 25200, Malaysia.

出版信息

Life (Basel). 2022 Dec 19;12(12):2142. doi: 10.3390/life12122142.

Abstract

Aging is a universal process that can cause diminished function of organs and various diseases. The most striking consequences of aging can be seen visibly on the skin, which acts as a barrier against various external insults. Aging of the skin consists of intrinsic and extrinsic processes that work in concert and influence each other. Intrinsic aging involves biochemical degenerative processes that gradually takes place with age. Extrinsic aging are biochemical processes driven by external influences that lead to aging. There are significant morphological changes at all levels in aged skin that have a profound effect on the characteristics of the skin. Even though skin is subjected to damage by external insults, it is equipped with a healing capability in order to restore its normal structure and function. However, aging has a significant impact on the skin's healing function by prolonging the inflammatory phase and increasing the production of reactive oxygen species (ROS). This shifts the healing process towards having more protein degradation, which can lead to chronic wound healing with an abundance of complications.

摘要

衰老是一个普遍的过程,它会导致器官功能衰退和各种疾病。衰老最显著的后果可见于皮肤,皮肤是抵御各种外部侵害的屏障。皮肤衰老包括内在和外在过程,这两个过程协同作用并相互影响。内在衰老涉及随着年龄增长而逐渐发生的生化退行性过程。外在衰老是由外部影响驱动的导致衰老的生化过程。衰老皮肤在各个层面都有显著的形态变化,这对皮肤的特性有深远影响。尽管皮肤会受到外部侵害的损伤,但它具备修复能力以恢复其正常结构和功能。然而,衰老通过延长炎症期和增加活性氧(ROS)的产生,对皮肤的修复功能产生重大影响。这使愈合过程朝着更多蛋白质降解的方向发展,从而可能导致慢性伤口愈合并伴有大量并发症。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/422a/9784880/eb07b99aefb8/life-12-02142-g001.jpg

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