Abstract
Summary
The unlimited serial propagation of a human colonic tumor, GW-77, in unconditioned, adult golden hamsters raises the question of its still possessing “human” properties. Both the direct fluorescent antibody test and its LDH isoenzyme-mobility pattern reveal the human species-specific character of GW-77. The retainment of its original species-identity is consistent with its relatively less malignant, only locally expansive, growth-behavior in various sites of the hamster.
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