RUNX2 and osteosarcoma: To sum up, lncRNA TUG1 promoted invasion and metastasis by some molecule, including miR-143p, miR-9-5p, miR-212-3p, miR-219a-5p, miR-140-5p, miR-212-3p, miR-335-5p, miR-132-3p, SOX4, RUNX2, PFN2, ROCK1,FOXA1, or POU2F1 in osteosarcoma.