Classification of cell types: Agglutination and chromosomal properties |
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Authors: | Andrew Sivak Sandra R. Wolman |
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Affiliation: | (1) Department of Environmental Medicine and Pathology, New York University Medical Center, 10016 New York, New York |
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Abstract: | Summary The properties of agglutination by plant lectins, along with chromosome patterns, were examined in a variety of mammalian cell types. Untransformed adult and embryonic cells in culture, direct mouse spleen cell preparations, SV40-transformed 3T3 cells, and trypsinized 3T3 cells were all highly agglutinable with concanavalin A and with wheat germ agglutinin. In contrast, untreated cells of the contact-inhibited 3T3 line were alone among the cells tested in their low agglutinability. Chromosome analysis of the cultured cells showed that karyotypic variation from the diploid to an aneuploid state in mouse and rat embryo cultures was not accompanied by a change in agglutinability. Adult rat lung, adult monkey kidney, and embryonic human lung cells, which were all highly agglutinable, showed the normal diploid pattern. Thus, agglutination of cells by plant lectins appears to be a cellular property often associated with non-neo-plastic cells. This investigation was supported by Grants CA-12503 and ES-00260 from the National Institutes of Health, United States Public Health Service. |
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