Abstract
Establishment and characterization of an endometrial adenocarcinoma cell line are described. The tumor cells, designated AC-258, originated from a patient with a poorly differentiated adenocarcinoma of the endometrium. These cells have been passed in culture more than 102 times and have maintained their morphological and chromosomal integrity in a fashion suggestive of monocloning. Cells from passages 1, 58, and 102 were aneuploid. The average number of chromosomes per cell was 64.8, and 8–17 marker chromosomes per cell were identified and described. Histological evaluation of tumor explants from 3 passages grown in nude (athymic) mice revealed morphologic identity. The doubling time of AC-258 was 22 hr. No detectable estrogen- or progesterone-binding proteins were found. The AC-258 cell line provides researchers with another tool with which to investigate biochemical and biological properties of human cancer cells.
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