Summary
Spontaneous carcinoma of the rat mammary gland of unknown origin, which appeared in a normal adult female rat, was inoculated subcutaneously to other rats and, thus, a transplantable RMK-1 carcinoma of the mammary gland was obtained. At present this carcinoma passed through the 8th generation. The “take” of the tumor 79.2%. The tumor is transplanted to female and male weaning rats, grows slowly and does not metastasize. Rats with the tumor survive up to 4 months. Microscopically, the tumor represents an alveolar low-differentiated carcinoma characteristic of rats. Although the principal strain remained alveolar up to the 14th generation, in some subpassages the tumor was of cystopapillary and solid structure.
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Konoplev, V.P., Lagova, N.D. Characteristics of the transplantable carcinoma of the rat mammary gland (RMK-1). Bull Exp Biol Med 50, 718–720 (1961). https://doi.org/10.1007/BF00796046
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DOI: https://doi.org/10.1007/BF00796046