Clone WT1/857 + 6F-H2 is a mouse monoclonal antibody specific to the human gene, WT1, or WT1 transcription factor. Suppliers have reported additional species reactivites for the target of this clone, including mouse and rat. Indicated applications for antibody clone WT1/857 + 6F-H2 include immunohistochemistry, flow cytometry, and immunofluorescence.