the predominance of the relatively uncommon v region subgroup isotype kappa iii among the light chains of human monoclonal ( igm kappa ) anti-igg antibodies , ( i.e. , rheumatoid factors ) , was further documented through sequence analyses of ten such autoantibodies isolated from igm-anti-igg cold-insoluble immune complexes ( mixed cryoglobulins ) .
C0035448
rheumatoid factors
C0004358
autoantibodies