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Orthopaedic Proceedings
Vol. 96-B, Issue SUPP_11 | Pages 23 - 23
1 Jul 2014
Viganò M Stanco D Setti S Galliera E Sansone V de Girolamo L
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Summary

In an in vitro tendon cell model, the tendon-specific gene expression up-regulation induced by PEMF negatively correlates with field intensity; moreover repeated lower-intensity PEMF treatments (1.5 mT) provokes a higher release of anti-inflammatory cytokines respect to the single treatment.

Introduction

Tendon disorders represent a diagnostic and therapeutic challenge for physicians. Traditional treatments are characterised by a long recovery time and a high occurrence of injury relapses. Despite the growing clinical interest in pulsed electromagnetic fields (PEMFs) few studies on their effect on tendons and ligaments have been conducted. Tendon resident cells (TCs) are a mixed population, made up mostly by tenocytes and tendon stem/progenitor cells, which are responsible of the tissue homeostasis. Since studies on the effect of PEMFs on this cell population are conflicting, we evaluated the possible relation between PEMFs dosage and TCs’ response. In particular, we compared the in vitro effect of low and high PEMFs on TCs (PEMF-1.5 mT; PEMF-3 mT); moreover we assessed the results of repeated treatments (R-PEMF-1.5mT).


Orthopaedic Proceedings
Vol. 96-B, Issue SUPP_11 | Pages 64 - 64
1 Jul 2014
Lopa S Colombini A Stanco D de Girolamo L Sansone V Moretti M
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Summary

The donor-matched comparison between mesenchymal stem cells from knee infrapatellar and subcutaneous adipose tissue revealed their preferential commitment towards the chondrogenic and osteogenic lineage, respectively. These peculiarities could be relevant for the development of successful bone and cartilage cell-based applications.

Introduction

Mesenchymal stem cells (MSCs) have been proposed in bone and cartilage tissue engineering applications as an alternative to terminally differentiated cells. In the present study we characterised and performed a donor-matched comparison between MSCs resident within the infrapatellar fat pad (IFP-MSCs) and the knee subcutaneous adipose tissue (ASCs) of osteoarthritic patients. These two fat depots, indeed, can be considered appealing candidates for orthopaedic cell-based therapies since they are highly accessible during knee surgery.