Chondrocyte acting as phagocyte to internalize polyethylene wear particles and leads to the elevations of osteoarthritis associated NO and PGE2

Chih Hung Chang, Hsu Wei Fang, Yi Ching Ho, Huei Ting Huang

研究成果: 雜誌貢獻文章

15 引文 (Scopus)

摘要

It remains a mystery about the role of chondrocyte or cartilage on the co-existence of ultra-high molecular weight polyethylene (UHMWPE) wear particles from partial joint arthroplasty. An inverted co-culture system was performed to investigate the interactions between chondrocytes and UHMWPE wear particles. It was first time observed that chondrocytes can engulf UHMWPE particles and release osteoarthritis associated pro-inflammatory factors. TEM observation and flow cytometric analysis demonstrated the phagocytosis of particles by chondrocytes. It was found that polyethylene particles may reduce the viability of chondrocytes, and enhance the secretion of nitric oxide (NO) and PGE2. In conclusion, all these phenomena may contribute to further cartilage degeneration after partial joint arthroplasty surgery. It is first identified in this study that the chondrocyte acts as phagocyte to internalize wear particles and leads to the elevations of precursor mediators of osteoarthritis.
原文英語
頁(從 - 到)884-888
頁數5
期刊Biochemical and Biophysical Research Communications
369
發行號3
DOIs
出版狀態已發佈 - 五月 9 2008
對外發佈Yes

指紋

Polyethylene
Phagocytes
Chondrocytes
Dinoprostone
Osteoarthritis
Arthroplasty
Nitric Oxide
Wear of materials
Cartilage
Surgery
Joints
Transmission electron microscopy
Coculture Techniques
Phagocytosis
ultra-high molecular weight polyethylene
Observation

ASJC Scopus subject areas

  • Biochemistry
  • Biophysics
  • Molecular Biology

引用此文

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abstract = "It remains a mystery about the role of chondrocyte or cartilage on the co-existence of ultra-high molecular weight polyethylene (UHMWPE) wear particles from partial joint arthroplasty. An inverted co-culture system was performed to investigate the interactions between chondrocytes and UHMWPE wear particles. It was first time observed that chondrocytes can engulf UHMWPE particles and release osteoarthritis associated pro-inflammatory factors. TEM observation and flow cytometric analysis demonstrated the phagocytosis of particles by chondrocytes. It was found that polyethylene particles may reduce the viability of chondrocytes, and enhance the secretion of nitric oxide (NO) and PGE2. In conclusion, all these phenomena may contribute to further cartilage degeneration after partial joint arthroplasty surgery. It is first identified in this study that the chondrocyte acts as phagocyte to internalize wear particles and leads to the elevations of precursor mediators of osteoarthritis.",
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AU - Chang, Chih Hung

AU - Fang, Hsu Wei

AU - Ho, Yi Ching

AU - Huang, Huei Ting

PY - 2008/5/9

Y1 - 2008/5/9

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KW - Wear particles

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