Severe burn injuries and the role of elastin in the design of dermal substitutes

J Rnjak, SG Wise, SM Mithieux… - Tissue Engineering Part B …, 2011 - liebertpub.com
Tissue Engineering Part B: Reviews, 2011liebertpub.com
Severe burn injuries are a major health problem as they can compromise whole body
function and result in extensive emotional trauma exacerbated by prolonged hospital stay.
Burn injury treatment has improved dramatically to increase the probability of survival, but
burn survivors still suffer from excessive scarring and skin contractures, which substantially
compromise their health and quality of life. Elastin is historically underrepresented in
commercial dermal substitutes, yet deserves consideration because of its fundamental role …
Severe burn injuries are a major health problem as they can compromise whole body function and result in extensive emotional trauma exacerbated by prolonged hospital stay. Burn injury treatment has improved dramatically to increase the probability of survival, but burn survivors still suffer from excessive scarring and skin contractures, which substantially compromise their health and quality of life. Elastin is historically underrepresented in commercial dermal substitutes, yet deserves consideration because of its fundamental role in skin structure and function. Dermal elastic network is a strong determinant of skin resilience, texture, and quality but is not sufficiently regenerated following burn injury. In addition to its structural and mechanical roles, elastin has inherent cell signaling properties that promote a diverse range of cellular responses including chemotaxis, cell attachment, proliferation, and differentiation. Scaffold elasticity and regeneration of the elastic fiber system is now recognized as integral to the development of functional dermal substitutes. Dermal substitutes are intended to replace damaged dermal tissue in severe burn injuries. Elastin-based dermal substitutes have the potential to decrease wound contraction, improve scar appearance and functionality, and contribute to wound healing outcomes through a combination of elastin's mechanical and cell signaling properties.
Mary Ann Liebert
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