NDLI: Biomechanical and structural changes following the decellularization of bovine pericardial tissues for use as a tissue engineering scaffold

Content Provider	Springer Nature Link
Author	Pagoulatou, Eirini Triantaphyllidou, Irene Eva Vynios, Demitrios H. Papachristou, Dionysios J. Koletsis, Efstratios Deligianni, Despina Mavrilas, Dimosthenis
Copyright Year	2012
Abstract	To achieve natural scaffolds for tissue engineering applications we decellularized bovine pericardial (BP) tissues according to two different protocols: a novel treatment based on Triton$^{®}$ X-100 (12 h, 4 °C) (BP1) and a trypsin/EDTA treatment (37 °C, 48 h) (BP2). Results were compared with commercially available acellular xenogeneic biomaterials, Veritas$^{®}$ and Collamed$^{®}$. Biomechanical characteristics, high (E$_{h}$) and low (E$_{l}$) modulus of elasticity, of the fresh untreated tissue varied with the anatomical direction (apex to base (T) to transverse (L)) (mean ± SDEV): (41.63 ± 14.65–48.12 ± 10.19 MPa and 0.27 ± 0.05–0.30 ± 0.12 MPa respectively). BP1 had no mechanical effect (44.65 ± 19.73–52.67 ± 7.59 MPa and 0.37 ± 0.14–0.37 ± 0.11 MPa, respectively) but BP2 resulted in significant decrease in E$_{h}$ and E$_{l}$ (20.96 ± 8.17–36.82 ± 3.23 MPa and 0.20 ± 0.06–0.23 ± 0.06 MPa). Hysteresis ratio (h) varied (19–26 % of the loading energy) independently of anatomical direction. Glycosaminoglycans content was unaffected by BP1, while 22 % of chondroitin/dermatan sulphate and 60 % of hyaluronan were removed after BP2 treatment. Endothelial cell adhesion was achieved after 24 h and 3 days cell culture.
Starting Page	1387
Ending Page	1396
Page Count	10
File Format	PDF
ISSN	09574530
Journal	Journal of Materials Science: Materials in Medicine
Volume Number	23
Issue Number	6
e-ISSN	15734838
Language	English
Publisher	Springer US
Publisher Date	2012-03-28
Publisher Place	Boston
Access Restriction	Subscribed
Subject Keyword	Metallic Materials Surfaces and Interfaces, Thin Films Polymer Sciences Biomaterials Characterization and Evaluation of Materials Ceramics, Glass, Composites, Natural Methods
Content Type	Text
Resource Type	Article
Subject	Biomaterials Biophysics Bioengineering Biomedical Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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