Abstract：
:We recently showed that the highly organized architecture of the corneal stroma could be reproduced using scaffolds consisting of orthogonally aligned multilayers of collagen fibrils prepared using a high magnetic field. Here we show that such scaffolds permit the reconstruction in vitro of human hemi-corneas (stroma + epithelium), using primary human keratocytes and limbal stem cell derived human keratinocytes. On the surface of these hemi-corneas, a well-differentiated epithelium was formed, as determined both histologically and ultrastructurally and by the expression of characteristic markers. Within the stroma, the keratocytes aligned with the directions of the fibrils in the scaffold and synthesized a new extracellular matrix with typical collagen markers and small, uniform diameter fibrils. Finally, in vivo experiments using a rabbit model showed that these orthogonally oriented multi-layer scaffolds could be used to repair the anterior region of the stroma, leading to re-epithelialization and recovery of both transparency and ultrastructural organization.
journal_name
Biomaterialsjournal_title
Biomaterialsauthors
Builles N,Janin-Manificat H,Malbouyres M,Justin V,Rovère MR,Pellegrini G,Torbet J,Hulmes DJ,Burillon C,Damour O,Ruggiero Fdoi
10.1016/j.biomaterials.2010.07.066subject
Has Abstractpub_date
2010-11-01 00:00:00pages
8313-22issue
32eissn
0142-9612issn
1878-5905pii
S0142-9612(10)00924-5journal_volume
31pub_type
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