Figure 7From: Cell fusion in tumor progression: the isolation of cell fusion products by physical methodsStaining for i-Ag of cells retrieved from in vitro culture of cell fusion products after PEG-induced cell fusion of lymphocytes. a. DAPi staining of nuclei b. Not all cells are i-Ag positive when stained with anti-i followed by incubation with secondary monoclonal anti-IgM-TRITCBack to article page