PALM and neoplasm: RNA from nine cell lines, and from 24 of the 26 tumor samples and all ten of the RM samples shown in Figure2 was examined for the presence of paralemmin-1 splice variants; five primer sets designed to detect mRNA missing exons 4, 5, 6, 7, or 8 (Table3) were used in RT-PCR to determine the number and size of products.