Anti-inflammatory properties of titanium in the joint environment. An experimental study in rats

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Abstract

Little is known about the tissue reactions to various implant materials which coincide with an inflammatory reaction. We used the avridine arthritis rat model to evaluate the tissue response in the synovial, interstitial and subcutaneous tissues after implant insertion. Quantitative immunohistochemistry showed that normal joint synovial tissue is dominated by ED2-positive resident macrophages. Polyethylene implants induced a much stronger foreign-body reaction than titanium implants, as measured by the number of interfacial ED1-positive macrophages. The tissue response to titanium and polyethylene was also vastly different in arthritic synovial tissue compared with control tissue. It is likely that these biomaterials interact differently with inflammatory cells or intermediary compounds. It may be that arthritic synovial tissue produces reactive oxygen intermediates (free radicals) with which titanium has a unique anti-inflammatory interaction in vitro.
Original languageEnglish
Pages (from-to)888-893
JournalJournal of Bone and Joint Surgery: British Volume
Volume80-B
Issue number5
Publication statusPublished - 1998

Bibliographical note

The information about affiliations in this record was updated in December 2015.
The record was previously connected to the following departments: Bioimplant Research (013242910), Neural Interfaces (013212003)

Subject classification (UKÄ)

  • Neurosciences
  • Medical Biotechnology

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