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Figure 2 Microsatellite analysis of the transforming growth factor ß receptor type II (TGF-ß RII) poly A repeat sequence. Genomic DNA from normal tissue (N), laryngeal dysplasia (Dys), and metachronous squamous cell carcinoma (T) was amplified by PCR, subjected to electrophoresis, and visualised with the silver staining method. Mutant bands are present in laryngeal dysplasia and in the subsequent squamous cell carcinoma.
