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Collagen composite hydrogels for vocal fold lamina propria restoration

Paper ID Volume ID Publish Year Pages File Format Full-Text
12199 784 2006 6 PDF Available
Title
Collagen composite hydrogels for vocal fold lamina propria restoration
Abstract

Chronic voice impairment due to scarring of the vocal fold (VF) lamina propria (LP) can be debilitating in terms of quality of life. Due to the dependence of normal VF vibration on proper VF geometry, an implant inserted to restore appropriate shape and pliability to scarred LP should ideally maintain its insertion-dimensions while being replaced by newly synthesized extracellular matrix (ECM). In the present study, collagen–alginate and collagen–hyaluronan (HA) composite hydrogels were investigated for their ability to support ECM synthesis by VF fibroblasts with limited hydrogel compaction and/or resorption. Collagen–HA composites showed significant mass loss over 28 days of culture, with little evidence of new matrix production. Collagen–alginate composites, in contrast, resisted scaffold compaction and mass loss for at least 42 days in culture while allowing for ECM synthesis. Collagen–alginate hydrogels appear to be promising materials for VF restoration, warranting further investigation.

Keywords
Vocal fold; Tissue engineering; Augmentation; Hydrogel; Collagen; Hyaluronan
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biomaterials - Volume 27, Issue 7, March 2006, Pages 1104–1109
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us