NGFR and breast cancer: Also, NGFR was highly expressed in a number of cancers, including the cancer initiating cells of melanoma (Boiko et al., 2010), squamous cell carcinomas (Murillo-Sauca et al., 2014), osteosarcoma (Tian et al., 2014), brain cancer (Biagiotti et al., 2006), breast cancer (Kim et al., 2012), and neuroblastoma (Biagiotti et al., 2006).