Abstract
A simple method to obtain rat hybridomas producing specific IgA antibodies is reported. By fusing the IR983F rat myeloma cell line with mesenteric lymph node cells from LOU/C rats immunized via the Peyer's patches with DNP- Salmonella typhimurium, twenty hybrids secreting monoclonal IgA antibodies specific for DNP were produced and maintained as highly secreting transplantable ascitic tumors. The monoclonal IgA antibodies were easily purified by affinity chromatography on a DNP-immunosorbent and were found to comprise both monomers and polymers.
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