Isolation of fibroblasts for coating of meshes for reconstructive surgery: differences between mesh types.

Abstract:

AIMS:An extensive colonization of surgical meshes with autologous fibroblasts may reduce complications. Therefore, we aimed to establish a technique that allows isolation and propagation of fibroblasts from vaginal biopsies. Using these cells we tested the applicability of several clinically applied meshes for fibroblast coating. MATERIALS & METHODS:Fibroblasts were isolated from vaginal tissue after digestion with collagenase. Characterization was performed by immunostaining for cytokeratin 5, 6 and 14, smooth muscle actin and vimentin. A semiquantitative technique was applied to determine the degree of mesh coating 5 h and 5 weeks after seeding of fibroblasts. Seven meshes of different mesh types have been tested. RESULTS:Cells with a fibroblast-like morphology have been isolated from vaginal tissue and could be propagated for at least 12 passages, resulting in a total number of 1.2 x 10(7) cells. Immunostaining showed that cells were positive for the mesenchymal cell marker vimentin and negative for smooth muscle actin, as well as the epithelial cell markers cytokeratin 5, 6 and 14, supporting their classification as fibroblasts. Clear differences in fibroblast colonization between the seven tested mesh types have been observed. Polypropylene mesh Obtape showed an acceptable covering with fibroblasts. The best coating was obtained for xenograft-based meshes, but under cell-culture conditions the mesh showed signs of decomposition. CONCLUSION:We have established a technique that allows isolation and propagation of vaginal fibroblasts. The result of vaginal fibroblast colonization of allograft-based meshes strongly depends on the mesh type, whereby the best coating could be achieved for a polypropylene mesh.

journal_name

Regen Med

journal_title

Regenerative medicine

authors

Skala CE,Petry IB,Gebhard S,Hengstler JG,Albrich SB,Maltaris T,Naumann G,Koelbl H

doi

10.2217/17460751.4.2.197

subject

Has Abstract

pub_date

2009-03-01 00:00:00

pages

197-204

issue

2

eissn

1746-0751

issn

1746-076X

journal_volume

4

pub_type

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