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  • Article
    Eilat D, Reeves JP, Steinberg AD, Schechter AN.
    J Immunol. 1978 Jul;121(1):310-4.
    This report describes the development of a direct, highly sensitive and reproducible microassay for measuring picogram amounts of IgG antibody produced in spleen cultures of NZB/NZW female mice and specific for a well defined nucleic acid antigen (native ssRNA). The spontaneously synthesized antibodies were extensively purified from the culture supernatants. The isolated IgG anti-RNA antibodies had a high affinity, limited heterogeneity, and were specific for RNA as compared with DNA. Spleen cell cultures produced quantities of anti-RNA antibodies sufficient to account for a large proportion of the circulating anti-RNA antibodies in the whole animal. However, our results provide no evidence for the recently published suggestion (Sawada) et al., 1977. J. Immunol. 119:355) that autoreactive lymphocytes are released from normal immunoregulatory control during in vitro culture conditions.
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