{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,15]],"date-time":"2025-10-15T17:29:38Z","timestamp":1760549378227},"reference-count":52,"publisher":"The Royal Society","issue":"86","license":[{"start":{"date-parts":[[2013,9,6]],"date-time":"2013-09-06T00:00:00Z","timestamp":1378425600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/royalsociety.org\/journals\/ethics-policies\/data-sharing-mining\/"}],"content-domain":{"domain":["royalsocietypublishing.org"],"crossmark-restriction":true},"short-container-title":["J. R. Soc. Interface."],"published-print":{"date-parts":[[2013,9,6]]},"abstract":"<jats:p>\n            Cobalt-based materials are widely used for coronary stents, as well as bone and joint implants. However, their use is associated with high corrosion incidence. Titanium alloys, by contrast, are more biocompatible owing to the formation of a relatively inactive titanium oxide (TiO\n            <jats:sub>2<\/jats:sub>\n            ) layer on their surface. This study was aimed at improving Co28Cr6Mo alloy cytocompatibility via sol\u2013gel TiO\n            <jats:sub>2<\/jats:sub>\n            coating to reduce metal corrosion and metal ion release. Owing to their role in inflammation and tissue remodelling around an implant, endothelial cells present a suitable\n            <jats:italic>in vitro<\/jats:italic>\n            model for testing the biological response to metallic materials. Primary human endothelial cells seeded on Co28Cr6Mo showed a stress phenotype with numerous F-actin fibres absent on TiO\n            <jats:sub>2<\/jats:sub>\n            -coated material. To investigate this effect at the gene expression level, cDNA microarray analysis of in total 1301 genes was performed. Compared with control cells, 247 genes were expressed differentially in the cells grown on Co28Cr6Mo, among them genes involved in proliferation, oxidative stress response and inflammation. TiO\n            <jats:sub>2<\/jats:sub>\n            coating reduced the effects of Co28Cr6Mo on gene expression in endothelial cells, with only 34 genes being differentially expressed. Quantitative real-time polymerase chain reaction and protein analysis confirmed microarray data for selected genes. The effect of TiO\n            <jats:sub>2<\/jats:sub>\n            coating can be, in part, attributed to the reduced release of Co\n            <jats:sup>2+<\/jats:sup>\n            , because addition of CoCl\n            <jats:sub>2<\/jats:sub>\n            resulted in similar cellular responses. TiO\n            <jats:sub>2<\/jats:sub>\n            coating of cobalt-based materials, therefore, could be used in the production of cobalt-based devices for cardiovascular and skeletal applications to reduce the adverse effects of metal corrosion products and to improve the response of endothelial and other cell types.\n          <\/jats:p>","DOI":"10.1098\/rsif.2013.0428","type":"journal-article","created":{"date-parts":[[2013,7,3]],"date-time":"2013-07-03T09:21:09Z","timestamp":1372843269000},"page":"20130428","update-policy":"http:\/\/dx.doi.org\/10.1098\/crossmark-policy","source":"Crossref","is-referenced-by-count":15,"title":["Improving cytocompatibility of Co28Cr6Mo by TiO\n            <sub>2<\/sub>\n            coating: gene expression study in human endothelial cells"],"prefix":"10.1098","volume":"10","author":[{"given":"R.","family":"Tsaryk","sequence":"first","affiliation":[{"name":"Institute of Pathology, University Medical Center, Johannes Gutenberg University of Mainz, Mainz, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"K.","family":"Peters","sequence":"additional","affiliation":[{"name":"Junior Research Group, Department of Cell Biology, University of Rostock, Rostock, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"R. 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