text_1: Human T-lymphotropic virus type-I-associated myelopathy / tropical spastic paraparesis (HAM/TSP) patients produce Immunoglobulin G (IgG) antibodies which cross-react with an immunodominant epitope in Tax.
text_2: Immunoglobulin G isolated from HAM/TSP patients identified heterogeneous nuclear ribonuclear protein-A1 (hnRNP-A1) as the autoantigen.