Abstract: The thyroids of 15 patients in Grave's disease have been examined with immunohistochemistry.Thyroid of Grave's disease has typical variation in pathology.6 eases are positive with lymphoid follicle. The lymphocytes in the follicles have been marked by the enzyme labeled IgG.Two Tsaabs(LATS—B and LATS Tianjin)have been tested by serial immunoassay.LATS—B is the polyclonal immunoglobulin of IgG.LATS-Tianjin is not unitary IgG,also with IgM.By the ELISA,evidenced that the Gangliosides (Ⅱ,IV,Vtype)all combined with two Tassbs,IVtype with LATS—B is better than other.

Key words: thyroid—stimulating bodies(TSABS), long acting thyroid stimulator (LATS), gangliosi des(Gg), ellzyme—linked oimmunsorbent assay(ELISA)