GPI and neoplasm: This protein is known as autocrine motility factor (AMF), neuroleukin, neurotrophic growth factor, maturity factor that determines the differentiation of human myeloid cells and the ability of tumor cells to metastasize (Masumura et al., 1982; Osthus et al., 2000; Yanagawa et al., 2004a; Sato et al., 2008).