Effect of cyclosporin A on the growth and spontaneous metastasis of syngeneic animal tumours (original) (raw)

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Published: 01 August 1980

British Journal of Cancer volume 42, pages 252–259 (1980)Cite this article

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Abstract

Cyclosporin A (Cy A), a novel immunosuppressive agent with apparently selective inhibitory effects on T lymphocytes and little myelotoxicity, was tested for its effects on a variety of syngeneic animal tumours including sarcomas, carcinomas and a T-cell lymphoma. Cy A, given orally or parenterally in repeated doses, had no effect on the growth rates of any of the tumours tested, but a highly significant effect on metastasis was seen in many cases. All the sarcomas examined in both rats and mice, and also the lymphoma, showed a marked increase in their metastases, in some cases even when administration of Cy A was delayed until after excision of the "primary" tumour implants. In contrast no effect of Cy A on metastasis was observed in animals bearing poorly immunogenic mammary or squamous-cell carcinomas. The metastases developing in Cy A-treated animals, when transplanted into normal syngeneic animals, showed no evidence of enhanced metastatic potential compared with their "parent tumours.

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Eccles, S., Heckford, S. & Alexander, P. Effect of cyclosporin A on the growth and spontaneous metastasis of syngeneic animal tumours.Br J Cancer 42, 252–259 (1980). https://doi.org/10.1038/bjc.1980.224

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Issue Date: 01 August 1980
DOI: https://doi.org/10.1038/bjc.1980.224