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The expression of KLF4 in tumor tissues from PC patients. RT-PCR (A) and western blotting (B) are used to detect the expression of KLF4 in the tumor tissues and corresponding nontumourous specimens from RCC patients, and densitometric quantification for RT-PCR and western blotting (C). Linear correlation plot of RNA expression between UCA1 and KLF4 (D). Values are expressed as mean ± SD, *P < 0.05 versus non-tumourous group. N = 40 in each group.
