Surface immunoglobulins on mouse myeloma cells. |
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Authors: | G L Princler K R McIntire |
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Affiliation: | Laboratory of Cell Biology, National Cancer Institute, Bethesda, Maryland 20014 U.S.A. |
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Abstract: | Plasma cells from 22 different transplantable mouse myelomas (PCT) were tested by 14 different class-specific and type-specific anti-immunoglobulin antiserums for cytotoxicity effects using a trypan blue-exclusion method. Seven IgF,κ tumors were all sensitive to anti-IgF and anti-κ antiserums. None of the other antiserums showed a cytotoxic effect. Five IgG,κ and four IgH,κ tumors were lysed by anti-κ serums, but not by anti-IgG or anti-IgH or the others. One of two IgA,κ tumors was lysed by anti-κ, but neither was lysed by anti-IgA or the other serums.One IgM,λ tumor was lysed by anti-IgM and anti-λ. Two λ Bence Jones tumors were not lysed by anti-λ, but both of these and the IgM,λ tumor were lysed by anti-κ. One κ Bence Jones tumor was lysed only by anti-κ serum.Only the IgF tumors and an IgM tumor were lysed by the appropriate anti-heavy chain serum, and lines had κ surface determinants. |
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