A Novel Flavonoid Kushenol Z from Sophora flavescens Mediates mTOR Pathway by Inhibiting Phosphodiesterase and Akt Activity to Induce Apoptosis in Non-Small-Cell Lung Cancer Cells

苦参中的新型黄酮类化合物苦参醇 Z 通过抑制磷酸二酯酶和 Akt 活性介导 mTOR 通路，从而诱导非小细胞肺癌细胞凋亡