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Intrinsic Vascularization of Recombinant eADF4(C16) Spider Silk Matrices in the Arteriovenous Loop Model

Titelangaben

Steiner, Dominik ; Lang, Gregor ; Fischer, Laura ; Winkler, Sophie ; Fey, Tobias ; Greil, Peter ; Scheibel, Thomas ; Horch, Raymund E. ; Arkudas, Andreas:
Intrinsic Vascularization of Recombinant eADF4(C16) Spider Silk Matrices in the Arteriovenous Loop Model.
In: Tissue Engineering Part A. Bd. 25 (2019) Heft 21-22 . - S. 1504-1513.
ISSN 1557-8690
DOI: https://doi.org/10.1089/ten.tea.2018.0360

Abstract

The surgically induced angiogenesis by means of arteriovenous (AV) loops represents a powerful method to significantly enhance vascularization of biomaterials. Regarding tissue engineering applications, spider silk is a promising biomaterial with a good biocompatibility and slow biodegradation. This study aims at investigating vascularization as well as de novo tissue formation of fibrous matrices made of electro-spun (ES) or wet-spun (WS) engineered ADF4(C16) spider silks in the rat AV loop model. Either ES or WS spider silk fibrous matrices were filled into Teflon chambers. Intrinsic vascularization was induced by means of an AV loop. After 4 weeks of vascularization, de novo tissue formation and biocompatibility were analyzed. Regardless of their significantly differing fiber diameters, both ES and WS eADF4(C16) fiber matrices displayed a good biocompatibility and initiated de novo tissue formation as well as vessel formation. Both matrices demonstrated partial vascularization originating from the AV loop, with more vessels in spider silk matrices with lower fiber diameters. We were able to demonstrate intrinsic vascularization of spider silk fibrous matrices by means of the AV loop. Moreover, our study indicates that the adjustment of the fiber diameter of engineered spider silks enables new possibilities to optimize vascularization.

Weitere Angaben

Publikationsform: Artikel in einer Zeitschrift
Begutachteter Beitrag: Ja
Keywords: engineered spider silk proteins; angiogenesis; tissue engineering; AV loop; submicron fibers
Institutionen der Universität: Fakultäten
Fakultäten > Fakultät für Ingenieurwissenschaften
Fakultäten > Fakultät für Ingenieurwissenschaften > Lehrstuhl Biomaterialien
Fakultäten > Fakultät für Ingenieurwissenschaften > Lehrstuhl Biomaterialien > Lehrstuhl Biomaterialien - Univ.-Prof. Dr. Thomas Scheibel
Profilfelder
Profilfelder > Advanced Fields
Profilfelder > Advanced Fields > Polymer- und Kolloidforschung
Profilfelder > Advanced Fields > Neue Materialien
Profilfelder > Advanced Fields > Molekulare Biowissenschaften
Profilfelder > Emerging Fields
Profilfelder > Emerging Fields > Lebensmittel- und Gesundheitswissenschaften
Forschungseinrichtungen
Forschungseinrichtungen > Forschungszentren
Forschungseinrichtungen > Forschungszentren > Bayreuther Materialzentrum - BayMAT
Titel an der UBT entstanden: Ja
Themengebiete aus DDC: 600 Technik, Medizin, angewandte Wissenschaften
600 Technik, Medizin, angewandte Wissenschaften > 620 Ingenieurwissenschaften
Eingestellt am: 20 Jan 2020 11:57
Letzte Änderung: 20 Jan 2022 14:47
URI: https://eref.uni-bayreuth.de/id/eprint/54145