Helicteric Acid, Oleanic Acid, and Betulinic Acid, Three Triterpenes from Helicteres angustifolia L., Inhibit Proliferation and Induce Apoptosis in HT-29 Colorectal Cancer Cells via Suppressing NF-κB and STAT3 Signaling

Figure 3

HT extracts inhibit gene expression. (a–c) Cells were treated with HT extracts at the indicated concentrations and quantitative PCR was performed (/group). Data are expressed as means ± SD. versus untreated control group.

(a)

(b)

(c)