Open Access
CC BY-NC-ND 4.0 · Joints 2018; 06(02): 100-103
DOI: 10.1055/s-0038-1660789
Original Article
Georg Thieme Verlag KG Stuttgart · New York

The Effect of Three Different Suture Anchors for Rotator Cuff Repair on Primary Cultures of Human Bone Marrow Mesenchymal Stem Cells

Gabriele Thiébat
1   Sport Traumatology Centre, Istituto Ortopedico Galeazzi, Milano, Italy
,
Paolo Capitani
1   Sport Traumatology Centre, Istituto Ortopedico Galeazzi, Milano, Italy
,
Laura de Girolamo
2   Orthopaedic Biotechnology Laboratory, Istituto Ortopedico Galeazzi, Milano, Italy
,
Carlotta Perucca Orfei
2   Orthopaedic Biotechnology Laboratory, Istituto Ortopedico Galeazzi, Milano, Italy
,
Francesca Facchini
1   Sport Traumatology Centre, Istituto Ortopedico Galeazzi, Milano, Italy
,
Herbert Schoenhuber
1   Sport Traumatology Centre, Istituto Ortopedico Galeazzi, Milano, Italy
,
Marco Viganò
2   Orthopaedic Biotechnology Laboratory, Istituto Ortopedico Galeazzi, Milano, Italy
› Author Affiliations
Further Information

Publication History

05 September 2017

02 May 2018

Publication Date:
14 June 2018 (online)

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Abstract

Purpose The purpose of this study is to investigate the in vitro biocompatibility of three different suture anchors (all-suture anchor, metal anchor, and polyetheretherketone anchor), commonly used for the rotator cuff repair.

Methods To assess the biocompatibility of the anchors, the possible cytotoxicity and the immunogenicity of the devices were assessed by cell viability assay and cell count on cultures of bone marrow stem cells (BMSCs) and peripheral blood leucocytes (PBLs), respectively. The possible inhibitory effect of the devices on BMSCs osteogenic potential was evaluated by alkaline phosphatase activity and matrix deposition assay.

Results The viability of BMSCs was slightly reduced when cultured in the presence of the devices (−24 ± 3%). Nevertheless, they were able to differentiate toward the osteogenic lineage in all culture conditions. The proliferation of PBLs and the production of interleukin-2 were not enhanced by the presence of any device.

Conclusion The analyzed devices did not significantly affect the normal cells functions when directly cultured with human primary BMSCs or PBLs, in terms of osteogenic differentiation and inflammatory reaction.

Clinical Relevance A deeper knowledge of the biological reactions to different devices used in rotator cuff surgeries would improve the clinical outcome of these procedures.