ALK and lung cancer: Also, miR-29a was found to be downregulated in many other types of neoplasms like lung cancer (Barkley and Santocanale, 2013), oral squamous carcinoma (Lu et al., 2014), glioblastoma (Xi et al., 2017), metastatic prostate cancer (Ahmed et al., 2013), ALK-positive anaplastic large cell lymphomas (Desjobert et al., 2011), endocrine-sensitive breast cancer (Muluhngwi et al., 2017).