Chronic rejection of rat aortic allograft. II. Administration of cyclosporin induces accelerated allograft arteriosclerosis

A Mennander, S Tiisala, T Paavonen, J Halttunen, P Häyry

Research output: Contribution to journalArticleScientificpeer-review

71 Citations (Scopus)

Abstract

Rat aortic allografts immunosuppressed with cyclosporin--but not with azathioprine or steroids--develop an early inflammatory lesion in the subendothelial space. This "endothelialitis" is followed by an influx of proliferating smooth muscle cells into the intima, resulting in intimal thickening and accelerated arteriosclerosis. Administration of azathioprine and steroids largely ameliorates the development of the accelerated lesion. Similar endothelialitis and accelerated arteriosclerosis have been observed previously in the autopsy material of cardiac transplant recipients. Our results confirm the suggestion that the development of accelerated allograft arteriosclerosis is most likely linked to cyclosporin administration.

Original languageEnglish
Pages (from-to)173-9
Number of pages7
JournalTransplant Int
Volume4
Issue number3
Publication statusPublished - Sept 1991
Externally publishedYes
Publication typeA1 Journal article-refereed

Keywords

  • Animals
  • Aorta, Thoracic/drug effects
  • Arteriosclerosis/chemically induced
  • Azathioprine/therapeutic use
  • Cyclosporine/toxicity
  • Disease Models, Animal
  • Drug Therapy, Combination
  • Endothelium, Vascular/drug effects
  • Graft Rejection/drug effects
  • Humans
  • Immunoenzyme Techniques
  • Immunosuppression
  • Methylprednisolone/therapeutic use
  • Muscle, Smooth, Vascular/pathology
  • Rats
  • Time Factors
  • Transplantation, Homologous

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