Ia-antigen on cells is destroyed by some fixation reagents.
D000818:Animals; D002478:Cells, Cultured; D005404:Fixatives / Q000494:pharmacology*; D000949:Histocompatibility Antigens Class II / Q000032:analysis*; D006801:Humans; D008264:Macrophages / Q000187:drug effects / Q000276:immunology*; D051379:Mice; D051381:Rats
D005404:Fixatives; D000949:Histocompatibility Antigens Class II