
HY500188 by Applied Biological Materials (ABM) is a rabbit monoclonal antibody (clone IHC670, IgG) targeting T-bet (TBX21), a Th1 transcription factor expressed in Th1 cells, cytotoxic T cells, and NK cells, validated for IHC at 1:50–1:200 and ELISA on human tissue. It is used in T-cell lymphoma subtyping and tumor immune contexture profiling. Rabbit-compatible secondary detection reagent required. MBP is a registered vendor for Howard Hughes Medical Institute, Vanderbilt University, MD Anderson Cancer Center, and many more leading research institutes.