in vitro cytokine expression and in vivo healing and inflammatory response to a collagen-coated synthetic bone filler

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ID: 210125
2016
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Abstract
The goal of the present work was to investigate the relationship between in vivo healing and inflammatory response and in vitro cytokine expression by macrophages of a synthetic bone filler (25% hydroxylapatite-75% β-tricalcium phosphate) bearing a surface nanolayer of collagen. A clinically accepted, state-of-the-art xenograft material was used as a “negative control,” that is, as a material that provides the correct clinical response for the intended use. In vitro data show that both materials exert a very low stimulation of proinflammatory cytokines by macrophages, and this was confirmed by the very mild inflammatory response detected in in vivo tests of local response in a rabbit model. Also, in vitro findings suggest a different mechanism of healing for the test and the control material, with a higher regenerative activity for the synthetic, resorbable filler, as confirmed by in vivo observation and literature reports. Thus, the simple in vitro model adopted provides a reasonable forecast of in vivo results, suggesting that new product development can be guided by in vitro tuning of cell-materials interactions.
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bollati2016biomedin Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Daniele Bollati;Marco Morra;Clara Cassinelli;Saturnino Marco Lupi;Ruggero Rodriguez y Baena
Journal spectrochimica acta - part a: molecular and biomolecular spectroscopy
Year 2016
DOI
10.1155/2016/6427681
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