The Chinese Herb Isolate Yuanhuacine (YHL-14) Induces G2/M Arrest in Human Cancer Cells by Up-regulating p21 Protein Expression through an p53 Protein-independent Cascade

Abstract excerpt

Yuanhuacine (YHL-14), the major component of daphnane diterpene ester isolated from the flower buds of Daphne genkwa, has been reported to have activity against cell proliferation in various cancer cell lines. Nevertheless, the potential mechanism has not been explored yet. Here we demonstrate that YHL-14 inhibits bladder and colon cancer cell growth through up-regulation of p21 expression in an Sp1-dependent...

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