Quercetin inhibits p21-RAS expression in human colon cancer cell lines and in primary colorectal tumors

Abstract excerpt

Immunocytochemical studies have revealed that 10 microM quercetin reduced the steady state levels of p21-ras proteins in both colon cancer cell lines and primary colorectal tumors. These findings were confirmed by Western blot and flow cytometric analysis showing that the inhibition of p21-ras expression by quercetin was time- and concentration-dependent. Twenty-four-hour treatment with 10 microM quercetin...

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