splenic lymphocytes from a lewis rat , immunized with purified estradiol-receptor complex of calf uterine nuclei , were fused with cells of three mouse myeloma lines to yield several monoclonal lines of hybridoma cells that secrete antiestrophilin antibodies , which , like the antiserum of the immunized rat , react specifically with estrophilin of calf tissues .
C0024264
lymphocytes
C0026764
myeloma