Mouse Anti-Human IgM antibody [8H6] Cat. No. GTX01856 Cat. No. GTX01856 GTX01856 IHC-P Image IHC-P analysis of human tonsil tissue using GTX01856 Human IgM antibody [8H6]. Note intense staining of plasma cells, weaker staining of follicular dendritic cell network and some B cells. See all Human IgM products