Distinct gene expression of receptor activator of nuclear factor-κB and rank ligand in the inflammatory response to variant morphologies of UHMWPE particles

Weiping Ren, Shang You Yang, Hsu Wei Fang, Stephen Hsu, Paul H. Wooley

研究成果: 雜誌貢獻文章

75 引文 (Scopus)

摘要

Recent studies have examined the role of wear debris-induced bone resorption in the aseptic loosening of orthopedic prostheses. Research has shown that inflammation depends not only on the amount of particulate debris, but also the shape and size of the accumulated wear particles. Our previous studies have demonstrated that variant shapes of ultra-high molecular weight polyethylene (UHMWPE) particles induce diverse cellular and apoptotic responses in a murine inflammation model. Since enhanced osteoclastogenesis is recognized as a hallmark of bone loss in prosthetic loosening, we have now investigated the gene expression of receptor activator of nuclear factor-κB (RANK) and receptor activator of nuclear factor-κB ligand (RANKL) during the inflammatory response to different shapes of UHMWPE particles. Two shapes of UHMWPE particles (globular or elongated) were implanted in established air pouches on BALB/c mice, and pouches harvested 7 days after stimulation with UHMWPE particles. Gene levels of RANK, RANKL, TNFα, IL-1β, and cathepsin K (CK) were quantified by real time RT-PCR, and TRAP staining of pouch membrane was used to evaluate osteoclastogenesis. We found that (i) elongated particles generated significantly higher RANK and RANKL gene expression than globular particles in pouch tissue; (ii) elongated particles provoked significantly higher IL-1β and TNFα gene expression; (iii) a positive association was found between tissue inflammation status and the gene level of RANK/RANKL; and (iv) elongated particles stimulated significantly higher CK gene expression in comparison with globular particles. Histology revealed that clusters of TRAP+ cells were located in regions in contact with elongated particles. Overall, these data suggest that the morphology of wear debris may be a critical factor in the pathogenesis of prosthetic loosening.
原文英語
頁(從 - 到)4819-4826
頁數8
期刊Biomaterials
24
發行號26
DOIs
出版狀態已發佈 - 一月 1 2003
對外發佈Yes

指紋

Ultrahigh molecular weight polyethylenes
Cytoplasmic and Nuclear Receptors
Gene expression
Prosthetics
Ligands
Debris
Cathepsin K
Gene Expression
Wear of materials
Inflammation
Interleukin-1
Osteogenesis
Bone
Genes
Tissue
Prosthesis Failure
Histology
Orthopedics
Bone Resorption
Real-Time Polymerase Chain Reaction

ASJC Scopus subject areas

  • Bioengineering
  • Ceramics and Composites
  • Biophysics
  • Biomaterials
  • Mechanics of Materials

引用此文

Distinct gene expression of receptor activator of nuclear factor-κB and rank ligand in the inflammatory response to variant morphologies of UHMWPE particles. / Ren, Weiping; Yang, Shang You; Fang, Hsu Wei; Hsu, Stephen; Wooley, Paul H.

於: Biomaterials, 卷 24, 編號 26, 01.01.2003, p. 4819-4826.

研究成果: 雜誌貢獻文章

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abstract = "Recent studies have examined the role of wear debris-induced bone resorption in the aseptic loosening of orthopedic prostheses. Research has shown that inflammation depends not only on the amount of particulate debris, but also the shape and size of the accumulated wear particles. Our previous studies have demonstrated that variant shapes of ultra-high molecular weight polyethylene (UHMWPE) particles induce diverse cellular and apoptotic responses in a murine inflammation model. Since enhanced osteoclastogenesis is recognized as a hallmark of bone loss in prosthetic loosening, we have now investigated the gene expression of receptor activator of nuclear factor-κB (RANK) and receptor activator of nuclear factor-κB ligand (RANKL) during the inflammatory response to different shapes of UHMWPE particles. Two shapes of UHMWPE particles (globular or elongated) were implanted in established air pouches on BALB/c mice, and pouches harvested 7 days after stimulation with UHMWPE particles. Gene levels of RANK, RANKL, TNFα, IL-1β, and cathepsin K (CK) were quantified by real time RT-PCR, and TRAP staining of pouch membrane was used to evaluate osteoclastogenesis. We found that (i) elongated particles generated significantly higher RANK and RANKL gene expression than globular particles in pouch tissue; (ii) elongated particles provoked significantly higher IL-1β and TNFα gene expression; (iii) a positive association was found between tissue inflammation status and the gene level of RANK/RANKL; and (iv) elongated particles stimulated significantly higher CK gene expression in comparison with globular particles. Histology revealed that clusters of TRAP+ cells were located in regions in contact with elongated particles. Overall, these data suggest that the morphology of wear debris may be a critical factor in the pathogenesis of prosthetic loosening.",
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AU - Yang, Shang You

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AU - Wooley, Paul H.

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AB - Recent studies have examined the role of wear debris-induced bone resorption in the aseptic loosening of orthopedic prostheses. Research has shown that inflammation depends not only on the amount of particulate debris, but also the shape and size of the accumulated wear particles. Our previous studies have demonstrated that variant shapes of ultra-high molecular weight polyethylene (UHMWPE) particles induce diverse cellular and apoptotic responses in a murine inflammation model. Since enhanced osteoclastogenesis is recognized as a hallmark of bone loss in prosthetic loosening, we have now investigated the gene expression of receptor activator of nuclear factor-κB (RANK) and receptor activator of nuclear factor-κB ligand (RANKL) during the inflammatory response to different shapes of UHMWPE particles. Two shapes of UHMWPE particles (globular or elongated) were implanted in established air pouches on BALB/c mice, and pouches harvested 7 days after stimulation with UHMWPE particles. Gene levels of RANK, RANKL, TNFα, IL-1β, and cathepsin K (CK) were quantified by real time RT-PCR, and TRAP staining of pouch membrane was used to evaluate osteoclastogenesis. We found that (i) elongated particles generated significantly higher RANK and RANKL gene expression than globular particles in pouch tissue; (ii) elongated particles provoked significantly higher IL-1β and TNFα gene expression; (iii) a positive association was found between tissue inflammation status and the gene level of RANK/RANKL; and (iv) elongated particles stimulated significantly higher CK gene expression in comparison with globular particles. Histology revealed that clusters of TRAP+ cells were located in regions in contact with elongated particles. Overall, these data suggest that the morphology of wear debris may be a critical factor in the pathogenesis of prosthetic loosening.

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KW - Wear debris

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