Figure 4. The tumor growth in nude mice and the results of anti-cancer drug trial in A549-BMP vs. A549-NC cells. (A) Tumor of A549-BMP vs A549-NC cells; (B) Tumor volume and tumor weight; (C) The HE staining of nude mice tumor tissues; (D) The drug sensitivity to doxorubicin hydrochloride was enhanced in A549-BMP vs A549-NC cells. Data are represented as means ± SD. *P< 0.05, **P<0.01.