Vitamin E-stabilized UHMWPE: Biological response on human osteoblasts to wear debris

Emanuela Galliera, Vincenza Ragone, Monica Gioia Marazzi, Francesca Selmin, Lorenzo Banci, Massimiliano M Corsi Romanelli

Research output: Contribution to journalArticle

Abstract

UHMWPE doped with vitamin E was introduced to provide oxidation resistance upon sterilization, without affecting UHMWPE's mechanical properties. Particle-induced macrophage activation leads to periprosthetic bone resorption, requiring total joint replacements. During osteolysis, osteoblasts produce osteoimmunological factors such as RANKL and OPG, and the inhibitors of the Wnt pathway DKK-1 and Sclerostin. This study investigated in vitro how vitamin E-blended-UHMWPE wear debris might affect osteoblast-mediated osteolysis and the production of RANKL, OPG, Sclerostin and DKK-1, compared to conventional UHMWPE wear debris. Human osteoblastic SaOS2 cells were incubated with wear particles from Vitamin E doped and conventional UHMWPE and the gene expression and protein production of IL-6, RANKL, OPG, DKK-1, and Sclerostin was evaluated, RANKL, a bone erosion marker, was reduced, while OPG, a bone protective marker, were increased by the vitamin E-blended UHMWPE compared to conventional UHMWPE. Vitamin E doped UHMWPE reduced Sclerostin level, and partially affected DKK-1 production, thereby protecting against bone erosion. In conclusion, Vitamin E-blended UHMWPE induced an osteoimmunological response in bone cells that had positive effects on the osteolysis induced by wear debris, reducing aseptic loosening of the implants. In conclusion, this is the first study showing that Vitamin E-blended UHMWPE induced an osteoimmunological response in bone cells that positively affect the osteolysis induced by wear debris, thereby reducing the aseptic loosening of the implants.

Original languageEnglish
Pages (from-to)18-25
Number of pages8
JournalClinica Chimica Acta
Volume486
DOIs
Publication statusPublished - Nov 2018

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Osteoblasts
Vitamin E
Debris
Wear of materials
Bone
Osteolysis
Bone and Bones
Erosion
Replacement Arthroplasties
ultra-high molecular weight polyethylene
Wnt Signaling Pathway
Macrophage Activation
Macrophages
Oxidation resistance
Bone Resorption
Gene expression
Interleukin-6
Chemical activation
Gene Expression
Mechanical properties

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Vitamin E-stabilized UHMWPE : Biological response on human osteoblasts to wear debris. / Galliera, Emanuela; Ragone, Vincenza; Marazzi, Monica Gioia; Selmin, Francesca; Banci, Lorenzo; Corsi Romanelli, Massimiliano M.

In: Clinica Chimica Acta, Vol. 486, 11.2018, p. 18-25.

Research output: Contribution to journalArticle

Galliera, Emanuela ; Ragone, Vincenza ; Marazzi, Monica Gioia ; Selmin, Francesca ; Banci, Lorenzo ; Corsi Romanelli, Massimiliano M. / Vitamin E-stabilized UHMWPE : Biological response on human osteoblasts to wear debris. In: Clinica Chimica Acta. 2018 ; Vol. 486. pp. 18-25.
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abstract = "UHMWPE doped with vitamin E was introduced to provide oxidation resistance upon sterilization, without affecting UHMWPE's mechanical properties. Particle-induced macrophage activation leads to periprosthetic bone resorption, requiring total joint replacements. During osteolysis, osteoblasts produce osteoimmunological factors such as RANKL and OPG, and the inhibitors of the Wnt pathway DKK-1 and Sclerostin. This study investigated in vitro how vitamin E-blended-UHMWPE wear debris might affect osteoblast-mediated osteolysis and the production of RANKL, OPG, Sclerostin and DKK-1, compared to conventional UHMWPE wear debris. Human osteoblastic SaOS2 cells were incubated with wear particles from Vitamin E doped and conventional UHMWPE and the gene expression and protein production of IL-6, RANKL, OPG, DKK-1, and Sclerostin was evaluated, RANKL, a bone erosion marker, was reduced, while OPG, a bone protective marker, were increased by the vitamin E-blended UHMWPE compared to conventional UHMWPE. Vitamin E doped UHMWPE reduced Sclerostin level, and partially affected DKK-1 production, thereby protecting against bone erosion. In conclusion, Vitamin E-blended UHMWPE induced an osteoimmunological response in bone cells that had positive effects on the osteolysis induced by wear debris, reducing aseptic loosening of the implants. In conclusion, this is the first study showing that Vitamin E-blended UHMWPE induced an osteoimmunological response in bone cells that positively affect the osteolysis induced by wear debris, thereby reducing the aseptic loosening of the implants.",
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AU - Marazzi, Monica Gioia

AU - Selmin, Francesca

AU - Banci, Lorenzo

AU - Corsi Romanelli, Massimiliano M

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