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Expression of mRNA transcripts for (A) β-actin; (B) 5-HTT; (C) ERα; and (D) GRα in human colon carcinoma cells, SW480 (Lane 1) and HT-29 (Lane 2) determined using RT-PCR. M represents the 100 bp DNA molecular weight marker. Arrows indicate positions of the specific bands of RT-PCR products.
