Influence of calcium ion-modified implant surfaces in protein adsorption and implant integration

[EN] Background Calcium (Ca) is a well-known element in bone metabolism and blood coagulation. Here, we investigate the link between the protein adsorption pattern and the in vivo responses of surfaces modified with calcium ions (Ca-ion) as compared to standard titanium implant surfaces (control). W...

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Hauptverfasser:	Anitua, Eduardo, Cerqueira, Andreia, Romero-Gavilán, Francisco, García-Arnáez, Iñaki, Martínez-Ramos, Cristina, Ozturan, Seda, Azkargorta, Mikel, Elortza, Félix, Gurruchaga, Mariló, Goñi, Isabel, Suay, Julio, Tejero, Ricardo
Format:	Artikel
Sprache:	eng
Schlagworte:	Blood coagulation CIENCIA DE LOS MATERIALES E INGENIERIA METALURGICA Implant surface design Osseointegration Protein adsorption Titanium implants
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Zusammenfassung:	[EN] Background Calcium (Ca) is a well-known element in bone metabolism and blood coagulation. Here, we investigate the link between the protein adsorption pattern and the in vivo responses of surfaces modified with calcium ions (Ca-ion) as compared to standard titanium implant surfaces (control). We used LC-MS/MS to identify the proteins adhered to the surfaces after incubation with human serum and performed bilateral surgeries in the medial section of the femoral condyles of 18 New Zealand white rabbits to test osseointegration at 2 and 8 weeks post-implantation (n=9). Results Ca-ion surfaces adsorbed 181.42 times more FA10 and 3.85 times less FA12 (p