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Titanium wound chambers for wound healing research
Author(s) -
Nuutila Kristo,
Singh Mansher,
Kruse Carla,
Philip Justin,
Caterson Edward J.,
Eriksson Elof
Publication year - 2016
Publication title -
wound repair and regeneration
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.847
H-Index - 109
eISSN - 1524-475X
pISSN - 1067-1927
DOI - 10.1111/wrr.12472
Subject(s) - wound healing , granulation tissue , wound closure , medicine , wound care , biomedical engineering , wound treatment , dorsum , rodent model , contraction (grammar) , surgery , anatomy
Standardized and reproducible animal models are crucial in medical research. Rodents are commonly used in wound healing studies since, they are easily available, affordable and simple to handle and house. However, the most significant limitation of rodent models is that the wounds heal by contraction while in humans the primary mechanisms of healing are reepithelialization and granulation tissue formation. The robust contraction results in faster wound closure that complicates the reproducibility of rodent studies in clinical trials. We have developed a titanium wound chamber for rodent wound healing research. The chamber is engineered from two pieces of titanium and is placed transcutaneously on the dorsum of a rodent. The chamber inhibits wound contraction and provides a means for controlled monitoring and sampling of the wound environment in vivo with minimal foreign body reaction. This technical report introduces two modalities utilizing the titanium chambers in rats: (1) Wound in a skin island model and, (2) Wound without skin model. Here, we demonstrate in rats how the “wound in a skin island model” slows down wound contraction and how the “wound without skin” model completely prevents the closure. The titanium wound chamber provides a reproducible standardized models for wound healing research in rodents.

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