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Properties and Mechanobiological Behavior of Bovine Nasal Septum Cartilage

Correro-Shahgaldian, Maria Rita; Introvigne, Jasmin; Ghayor, Chafik; Weber, Franz E; Gallo, Luigi M; Colombo, Vera (2016). Properties and Mechanobiological Behavior of Bovine Nasal Septum Cartilage. Annals of Biomedical Engineering, 44(5):1821-1831.

Abstract

Bovine nasal septum (BNS) is a source of non-load bearing hyaline cartilage. Little information is available on its mechanical and biological properties. The aim of this work was to assess the characteristics of BNS cartilage and investigate its behavior in in vitro mechanobiological experiments. Mechanical tests, biochemical assays, and microscopic assessment were performed for tissue characterization. Compressions tests showed that the tissue is viscoelastic, although values of elastic moduli differ from the ones of other cartilaginous tissues. Water content was 78 ± 1.4%; glycosaminoglycans and collagen contents-measured by spectrophotometric assay and hydroxyproline assay-were 39 ± 5% and 25 ± 2.5% of dry weight, respectively. Goldner's Trichrome staining and transmission electron microscopy proved isotropic cells distribution and results of earlier cell division. Furthermore, gene expression was measured after uniaxial compression, showing variations depending on compression time as well as trends depending on equilibration time. In conclusion, BNS has been characterized at several levels, revealing that bovine nasal tissue is regionally homogeneous. Results suggest that, under certain conditions, BNS could be used to perform in vitro cartilage loading experiments.

Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Center for Dental Medicine > Clinic of Cranio-Maxillofacial Surgery
04 Faculty of Medicine > Center for Dental Medicine > Clinic for Masticatory Disorders
Dewey Decimal Classification:610 Medicine & health
Scopus Subject Areas:Physical Sciences > Biomedical Engineering
Language:English
Date:2016
Deposited On:06 Jan 2016 16:09
Last Modified:10 Nov 2024 04:42
Publisher:Springer
ISSN:0090-6964
OA Status:Closed
Publisher DOI:https://doi.org/10.1007/s10439-015-1481-6
PubMed ID:26502171
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