TSPAN31 and neoplasm: Splice variants generated with some of those specific intron junctures in CD82 and TSPAN 32 from group CD63L have been reported in normal and tumor tissues [55], [56] and from TSPAN17, TSPAN 31 from groups TSPAN15L and TSPAN13L (mRNA variants hApr07 and jApr07 from NCBI AceView) respectively.