Table 2. Gene specific primers used for RT-PCR analyses: bNBC1 (brain NBC1), kNBC (kidney NBC1), NBC2 (NBCn-1b) and NBC3 (NBCn1-d) isoform specific primers were designed from published sequences.

Gene	Primer	Position	Accession number
NBCe1A	Sense: 5′-GGCACAGAGAGAGGAGGCTT-3′ Antisense: 5-TGTCTTCCCAATGTCAGCCAG-3′	17–36 593–613	AF027362
NBCe1B	Sense: 5′-ACTGGAGGAGCGACGGAAG-3′ Antisense: 5′-TGTCTTCCCAATGTCAGCCAG-3′	27–45 730–750	AF210250
NBCn1	Sense 5′-ATCTACCTCCGCTATGTCC-3′ Antisense: 5′-ACTCACAGGCTTTTCAGGGC-3′	3424–3442 3881–3900	AF080106