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. 1970 Nov;6(5):599–603. doi: 10.1128/jvi.6.5.599-603.1970

Propagation in Human Cells of a Filterable Agent from the ST Feline Sarcoma

R Shihman Chang 1, H Dean Golden 1, Boyd Harrold 1
PMCID: PMC376164  PMID: 4098429

Abstract

Nineteen lines of human fibroblasts were inoculated with a filtrate prepared from the ST feline sarcoma. Seven lines showed morphological alteration and released focus-forming activity for feline cells, 2 lines showed morphological alteration but did not release focus-forming activity, and 11 lines showed no morphological alteration and released no focus-forming agent. Morphologically altered cells appeared enlarged, hyper-refractile, and intensely stained by hematoxylin. They neither assumed a crisscross pattern nor piled up to form a visible focus. Time-lapse cinegraph showed that the morphologically altered cells did not divide and were motile. The fluid from two human fibroblast cultures, inoculated 4 and 14 weeks previously with the ST sarcoma filtrate, induced fibrosarcoma in newborn kittens.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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