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Effects of cytokine gene therapy on particulate-induced inflammation in the murine air pouch

Academic Article
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Overview

authors

  • Sud, S.
  • Yang, S. Y.
  • Evans, C. H.
  • Robbins, Paul D.
  • Wooley, P. H.

publication date

  • December 2001

journal

  • Inflammation  Journal

abstract

  • Retroviral vectors encoding the human IL-1 antagonist (IL-1Ra) gene and the human tumor necrosis factor soluble receptor (sTNF-R) gene were investigated using an in vivo model of the inflammatory response to orthopedic wear debris. Air pouches established in BALB/c mice were injected with polymethylmethacrylate (PMMA) particles to provoke an inflammatory reaction, and infected with retroviral vectors expressing IL-1Ra, sTNF-R or a LacZ marker gene. Pouch membranes and fluids were harvested after 48 or 72 hours for analyses. Positive PCR reactions for Neo genes were observed specifically in DNA extracted from the membrane of retroviral-infected pouches. ELISA assays revealed the presence of human IL-1 Ra in pouch fluid from DFG-IRAP-Neo transduced mice, but not control animals. Histological evaluation indicated that the IL-1Ra gene transfer was associated with markedly decreased inflammation in the model, with resolution of the edematous phase of the reaction, decreased pouch fluid accumulation, and lowered macrophage influx. The data suggest that the air pouch model represents a useful tool to evaluate gene therapy, and demonstrate that IL-1Ra gene therapy may be an appropriate therapeutic approach to inflammation.

subject areas

  • Animals
  • Biocompatible Materials
  • Cytokines
  • Disease Models, Animal
  • Female
  • Genetic Therapy
  • Genetic Vectors
  • Inflammation
  • Mice
  • Mice, Inbred BALB C
  • Polymethyl Methacrylate
  • Receptors, Interleukin-1
  • Receptors, Tumor Necrosis Factor
  • Retroviridae
  • Treatment Outcome
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Research

keywords

  • IL-1Ra
  • PMMA
  • air pouch
  • gene therapy
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Identity

International Standard Serial Number (ISSN)

  • 0360-3997

Digital Object Identifier (DOI)

  • 10.1023/a:1012898513512

PubMed ID

  • 11831439
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Additional Document Info

start page

  • 361

end page

  • 372

volume

  • 25

issue

  • 6

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