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- W2783272954 abstract "Abstract While collagen type I (Col-I) is commonly used as a structural component of biomaterials, collagen type III (Col-III), another fibril forming collagen ubiquitous in many soft tissues, has not previously been used. In the present study, the novel concept of an injectable hydrogel with semi-interpenetrating polymeric networks of heterotypic collagen fibrils, with tissue-specific Col-III to Col-I ratios, in a glycol-chitosan matrix was investigated. Col-III was introduced as a component of the novel hydrogel, inspired by its co-presence with Col-I in many soft tissues, its influence on the Col-I fibrillogenesis in terms of diameter and mechanics, and its established role in regulating scar formation. The hydrogel has a nano-fibrillar porous structure, and is mechanically stable under continuous dynamic stimulation. It was found to provide a longer half-life of about 35 days than similar hyaluronic acid-based hydrogels, and to support cell implantation in terms of viability, metabolic activity, adhesion and migration. The specific case of pure Col-III fibrils in a glycol-chitosan matrix was investigated. The proposed hydrogels meet many essential requirements for soft tissue engineering applications, particularly for mechanically challenged tissues such as vocal folds and heart valves." @default.
- W2783272954 created "2018-01-26" @default.
- W2783272954 creator A5001160298 @default.
- W2783272954 creator A5007285706 @default.
- W2783272954 creator A5050909965 @default.
- W2783272954 creator A5056073386 @default.
- W2783272954 date "2018-01-18" @default.
- W2783272954 modified "2023-10-13" @default.
- W2783272954 title "A tissue-mimetic nano-fibrillar hybrid injectable hydrogel for potential soft tissue engineering applications" @default.
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