
HY500190 by Applied Biological Materials (ABM) is a rabbit monoclonal antibody (clone IHC673, IgG) targeting TGFβ1 (UniProt P01137), a cytokine central to immune suppression, fibrosis, and tumor microenvironment remodeling, validated for IHC at 1:50–1:200 and ELISA on human tissue. Requires a rabbit-compatible secondary detection reagent. MBP is a registered vendor for Howard Hughes Medical Institute, Vanderbilt University, and MD Anderson Cancer Center.