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mRNA expression of β-actin (453 bp), Bax (217 bp), Bcl-2 (534 bp) and Caspase-3 (315 bp) in arsenic and nicotine exposed rat liver and brain as compared with control after 6months of exposure. Lane 1—Group 1 (Normal) Lane 2—Group 2 (Arsenic) Lane 3—Group 3 (Nicotine) Lane 4-Group 4 (Nicotine + As).
*p < 0.05 compared to normal animals.
