Table 1. RT-PCR Primer Sequences.

Primer	Primer Length (bases)	Sequence (5′ to 3′ direction)
CD44 P1 F	21	TCCCAGTATGACACATATTGC
CD44 P2 R	20	CACCTTCTTCGACTGTTGAC
CD44 v1 R	20	CTGTGAATTACCAAACCAGG
CD44 v2 R	20	TGCTGTAGCACTAGTGCTCA
CD44 v3 R	20	TCATTTGGCTCCCAGCCTGC
CD44 v4 R	21	TTGTCTGAAGTAGCACTTCCG
CD44 v5 R	21	GTTCCAGTTTCCTTCATAAGC
CD44 v6 R	20	CCCACATGCCATCTGTTGCC
CD44 v7 R	21	AATCAGTCCAGGAACTGTCCT
CD44 v8 R	21	GTGTTTGGATTTGCAGTAGGC
CD44 v9 R	21	GTCTTTATCTTCTTCCAAGCC
β actin F	20	CGTACCACTGGCATCGTGAT
β actin R	21	GTGTTGGCGTACAGGTCTTTG

Key: F = Forward Primer, R = Reverse Primer.

For CD44v, the CD44 P1 F primer was combined with the exon-specific reserve primer.