The effect of local IL-4 delivery or CCL2 blockade on implant fixation and bone structural properties in a mouse model of wear particle induced osteolysis

Taishi Sato, Jukka Pajarinen, Anthony Behn, Xinyi Jiang, Tzu Hua Lin, Florence Loi, Zhenyu Yao, Kensuke Egashira, Fan Yang, Stuart B. Goodman

Research output: Contribution to journalArticle

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Abstract

Modulation of macrophage polarization and prevention of CCL2-induced macrophage chemotaxis are emerging strategies to reduce wear particle induced osteolysis and aseptic total joint replacement loosening. In this study, the effect of continuous IL-4 delivery or bioactive implant coating that constitutively releases a protein inhibitor of CCL2 signaling (7ND) on particle induced osteolysis were studied in the murine continuous femoral intramedullary particle infusion model. Polyethylene particles with or without IL-4 were infused into mouse distal femurs implanted with hollow titanium rods using subcutaneous infusion pumps. In another experimental group, particles were infused into the femur through a 7ND coated rod. After 4 weeks, fixation of the implant was assessed using a pullout test. The volume of trabecular bone and the geometry of the local cortical bone were assessed by µCT and the corresponding structural properties of the cortical bone determined by torsional testing. Continuous IL-4 delivery led to increased trabecular bone volume as well as enhanced local bone geometry and structural properties, while 7ND implant coating did not have effect on these parameters. The results suggest that local IL-4 treatment is a promising strategy to mitigate wear particle induced osteolysis.

Original languageEnglish
Pages (from-to)2255-2262
Number of pages8
JournalJournal of Biomedical Materials Research - Part A
Volume104
Issue number9
DOIs
Publication statusPublished - Sep 1 2016

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Interleukin-4
Structural properties
Bone
Wear of materials
Macrophages
Coatings
Geometry
Polyethylene
Titanium
Polyethylenes
Modulation
Pumps
Polarization
Proteins
Testing

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Biomaterials
  • Biomedical Engineering
  • Metals and Alloys

Cite this

The effect of local IL-4 delivery or CCL2 blockade on implant fixation and bone structural properties in a mouse model of wear particle induced osteolysis. / Sato, Taishi; Pajarinen, Jukka; Behn, Anthony; Jiang, Xinyi; Lin, Tzu Hua; Loi, Florence; Yao, Zhenyu; Egashira, Kensuke; Yang, Fan; Goodman, Stuart B.

In: Journal of Biomedical Materials Research - Part A, Vol. 104, No. 9, 01.09.2016, p. 2255-2262.

Research output: Contribution to journalArticle

Sato, Taishi ; Pajarinen, Jukka ; Behn, Anthony ; Jiang, Xinyi ; Lin, Tzu Hua ; Loi, Florence ; Yao, Zhenyu ; Egashira, Kensuke ; Yang, Fan ; Goodman, Stuart B. / The effect of local IL-4 delivery or CCL2 blockade on implant fixation and bone structural properties in a mouse model of wear particle induced osteolysis. In: Journal of Biomedical Materials Research - Part A. 2016 ; Vol. 104, No. 9. pp. 2255-2262.
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