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Expression of β-ARs in human gastric cell lines SGC-7901 and BGC-823 by RT-PCR and western blotting. (A) Expression of β-ARs in human gastric cell lines SGC-7901 and BGC-823 at the mRNA level by RT-PCR. Both of cell lines expressed β1- and β2-AR mRNA (contol group had no cDNA). (B) Expression of β-ARs in human gastric cell lines SGC-7901 and BGC-823 at the protein level by western blotting. Both of cell lines expressed the proteins of the β1- and β2-ARs.
