In situ growth induction of the corneal stroma cells using uniaxially aligned composite fibrous scaffolds

Cong Zhang; Jihong Wen; Jing Yan; Yanbing Kao; Zhiqiang Ni; Xuejun Cui; Hongyan Wang

doi:10.1039/C4RA16609D

In situ growth induction of the corneal stroma cells using uniaxially aligned composite fibrous scaffolds

Cong Zhang,^a Jihong Wen,*^b Jing Yan,^c Yanbing Kao,^d Zhiqiang Ni,^e Xuejun Cui^a and Hongyan Wang*^a

* Corresponding authors

^a College of Chemistry, Jilin University, Changchun 130012, P. R. China
E-mail: wang_hy@jlu.edu.cn
Fax: +86-431-85175863
Tel: +86-431-85168470

^b Department of Jilin University, First Clinical Hospital of Bethune Medical, Changchun 130012, P. R. China

^c Department of Chemistry and Biochemistry Nanocenter, University of South Carolina, Columbia, South Carolina 29208, USA

^d Clinic College of Medicine, Jilin University, Changchun 130012, P. R. China

^e Department of Tumor Biological Therapy Jilin Province People’s Hospital, Changchun 130012, P. R. China

Abstract

Uniaxially aligned composite fibrous scaffolds of gelatin and poly-L-lactic acid (PLLA) were fabricated using electrospinning and the scaffolds were implanted into the corneal stroma layers of New Zealand white rabbits (NZWRs) to observe the in situ growth induction of the stroma cells. The effects on cell growth were evaluated by both apparent observation and pathological analysis. It was demonstrated that the scaffolds had a good compatibility with the corneal tissues and were nontoxic by observing the changes of the structure and the physiological activity of the corneal tissues around the scaffolds using a slit lamp and in vivo confocal images. The in vivo confocal images of the scaffolds implanted into the eyes of NZWRs show the process of the cells’ ingrowth and the tissue regeneration, which indicated that the uniaxially aligned fibers could induce the polarized ingrowth of keratocytes which may provide the basis for clinical application to the in situ repair of corneal stromata.

Article information

https://doi.org/10.1039/C4RA16609D

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Paper

Submitted

18 Dec 2014

Accepted

08 Jan 2015

First published

08 Jan 2015

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RSC Adv., 2015,5, 12123-12130

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In situ growth induction of the corneal stroma cells using uniaxially aligned composite fibrous scaffolds

C. Zhang, J. Wen, J. Yan, Y. Kao, Z. Ni, X. Cui and H. Wang, RSC Adv., 2015, 5, 12123 DOI: 10.1039/C4RA16609D

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In situ growth induction of the corneal stroma cells using uniaxially aligned composite fibrous scaffolds

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