Volume 75, Issue 7 (October 2017)                   Tehran Univ Med J 2017, 75(7): 471-479 | Back to browse issues page

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Jaffary F, Nilforoushzadeh M A, Sharifian H, Mollabashi Z. Wound healing in animal models: review article. Tehran Univ Med J 2017; 75 (7) :471-479
URL: http://tumj.tums.ac.ir/article-1-8332-en.html
1- Skin Diseases and Leishmaniasis Research Center, Isfahan University of Medical Sciences, Isfahan, Iran.
2- Skin and Stem Cells Research Center, Tehran University of Medical Sciences, Tehran, Iran.
3- Skin and Stem Cells Research Center, Tehran University of Medical Sciences, Tehran, Iran. , Zahramolabashi@yahoo.com
Abstract:   (12659 Views)
Wound healing and reduction of its recovery time is one of the most important issues in medicine. Wound is defined as disruption of anatomy and function of normal skin. This injury could be the result of physical elements such as  surgical incision, hit or pressure cut of the skin and gunshot wound. Chemical or caustic burn is another category of wound causes that can be induced by acid or base contact irritation. Healing is a process of cellular and extracellular matrix interactions that occur in the damaged tissue. Wound healing consists of several stages including hemostasis, inflammatory phase, proliferative phase and new tissue formation which reconstructs by new collagen formation. Wounds are divided into acute and chronic types based on their healing time. Acute wounds have sudden onset and in normal individuals usually have healing process of less than 4 weeks without any residual side effects. In contrast, chronic wounds have gradual onset. Their inflammatory phase is prolonged and the healing process is stopped due to some background factors like diabetes, ischemia or local pressure. If the healing process lasts more than 4 weeks it will be classified as chronic wound. Despite major advances in the treatment of wounds, still finding effective modalities for healing wounds in the shortest possible time with the fewest side effects is a current challenge. In this review different phases of wound healing and clinical types of wound such as venous leg ulcer, diabetic foot ulcer and pressure ulcer are discussed. Also acute wound models (i.e burn wounds or incisional wound) and chronic wound models (such as venous leg ulcers, diabetic foot ulcer, pressure ulcers or bedsore) in laboratory animals are presented. This summary can be considered as a preliminary step to facilitate designing of more targeted and applied research in this area.
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