Extinction of B-cell surface differentiation markers in hybrids between murine B-lymphoma and myeloma cells |
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Authors: | Reuven Laskov K.Jin Kim Colette Kanellopoulos-Langevin Richard Asofsky |
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Affiliation: | Laboratory of Microbial Immunity, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland 20014 USA |
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Abstract: | Fusion between murine B-lymphoma cells bearing membrane IgM with either IgG or light chain secreting myeloma, resulted in cell hybrids synthesizing and secreting large quantities of IgM. In contrast, the hybrids did not secrete IgD even though it is also present on the surface of the B-lymphoma cells. B-Cell surface markers such as the IgM, IgD, Ia and the Fc receptor, which were present on the B-lymphoma cells, but not the myeloma cells were not expressed on the surface of the hybrids. Hybrids which secrete IgM and retain the B-cell membrane differentiation antigens were not detected, even when selection was done under conditions which favor the growth of the lymphoma parental cells. |
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