Effect of Biotin and Galactose Functionalized Gelatin Nanofiber Membrane on HEp-2 Cell Attachment and Cytotoxicity

Effect of Biotin and Galactose Functionalized Gelatin Nanofiber Membrane on HEp-2 Cell Attachment... In the present study, we prepared a gelatin nanofiber matrix using an electrospinning technique and cross-linked the nanofibers with 10 % glutaraldehyde vapors. The insoluble nanofibers were functionalized with bioactive molecules like biotin (1 %) and galactose (1 %) by adsorption and coelectrospinning. Surface morphology and fiber dimension were analyzed using atomic force microscopy. The amounts of biotin and galactose bound to the nanofibers before and after adsorption were quantified using high-performance liquid chromatography. Human larynx carcinoma (HEp-2) cell attachment, morphology and cytotoxic characteristics were studied using crystal violet staining and the MTT assay. Cell attachment and viability were highest in biotin- and galactose-embedded nanofibers compared to native nanofibers. Cytotoxicity was less with biotin- and galactose-embedded and adsorbed nanofibers compared to control nanofibers. Hence, we suggest that these biocompatible, nontoxic, biodegradable, functionalized nanofibers could be a potential candidate for application in tissue engineering and scaffold preparation. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png The Journal of Membrane Biology Springer Journals

Effect of Biotin and Galactose Functionalized Gelatin Nanofiber Membrane on HEp-2 Cell Attachment and Cytotoxicity

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Publisher
Springer Journals
Copyright
Copyright © 2013 by Springer Science+Business Media New York
Subject
Life Sciences; Biochemistry, general; Human Physiology
ISSN
0022-2631
eISSN
1432-1424
D.O.I.
10.1007/s00232-013-9608-x
Publisher site
See Article on Publisher Site

Abstract

In the present study, we prepared a gelatin nanofiber matrix using an electrospinning technique and cross-linked the nanofibers with 10 % glutaraldehyde vapors. The insoluble nanofibers were functionalized with bioactive molecules like biotin (1 %) and galactose (1 %) by adsorption and coelectrospinning. Surface morphology and fiber dimension were analyzed using atomic force microscopy. The amounts of biotin and galactose bound to the nanofibers before and after adsorption were quantified using high-performance liquid chromatography. Human larynx carcinoma (HEp-2) cell attachment, morphology and cytotoxic characteristics were studied using crystal violet staining and the MTT assay. Cell attachment and viability were highest in biotin- and galactose-embedded nanofibers compared to native nanofibers. Cytotoxicity was less with biotin- and galactose-embedded and adsorbed nanofibers compared to control nanofibers. Hence, we suggest that these biocompatible, nontoxic, biodegradable, functionalized nanofibers could be a potential candidate for application in tissue engineering and scaffold preparation.

Journal

The Journal of Membrane BiologySpringer Journals

Published: Nov 6, 2013

References

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