Figure 3From: Astrocytoma-associated antigens - IL13Rα2, Fra-1, and EphA2 as potential markers to monitor the status of tumour-derived cell cultures in vitroImmunohistochemical analysis of IL13Rα2 and Fra-1 expression in initial tumours. The IL13Rα2 immunoreactivity was observed in all tested tumour specimens (a-e); Fra-1 antigen was detected in four tested samples (g-k); negative controls (f, l).Back to article page