HOXA7 promotes cell proliferation and tumor growth of liver cancer cell. (A) MTT assay of liver cancer cells with silent expression of HOXA7. (B) MTT assay of liver cancer cells with overexpression of HOXA7. (C) Tumor formation assay of liver cancer cells with silent expression of HOXA7. (D) Tumor formation assay of liver cancer cells with overexpression of HOXA7. **Pâ<â0.01 based on the Student t test. Error bars, SD. The each number of replicates is 3. (JPG 3241 kb