MicroRNA-29b attenuates non-small cell lung cancer metastasis by targeting matrix metalloproteinase 2 and PTEN June 10, 2015 Journal of Experimental Clinical Cancer Research 2015, 34:59Â doi:10.1186/s13046-015-0169-y Hongyan Wang and Xiaoying Guan contributed equally to this work. Published: 11 June 2015