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International Journal of Cell Cloning, Vol 3, 33-43, Copyright © 1985 by AlphaMed Press
ORIGINAL ARTICLES |
LJ Perrot, SE Salmon, L Young, AR Graham and CM Payne
The human tumor clonogenic assay has been used to study the growth and drug sensitivity of a wide variety of malignant and a limited number of benign tumors. We conducted detailed studies on a multipotential benign teratoma from a young child that gave rise to colonies in soft agar culture. The colonies separated themselves from the surrounding agar and exhibited rapid rotary movement (15 r/min). Morphologic, ultrastructural, and immunologic studies showed the colonies to be comprised exclusively of ciliated respiratory epithelium. The uniform beating of the cilia resulted in a constant rolling motion of the colonies in a single direction.
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